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 no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 953         int state=0;
 954         const SSL_METHOD *meth=NULL;
 955         int socket_type=SOCK_STREAM;
 956         ENGINE *e=NULL;
 957         char *inrand=NULL;
 958         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 959         char *passarg = NULL, *pass = NULL;
 960         char *dpassarg = NULL, *dpass = NULL;
 961         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 962         X509 *s_cert = NULL, *s_dcert = NULL;
 963         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 964         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 965         int no_cache = 0;
 966 #ifndef OPENSSL_NO_TLSEXT
 967         EVP_PKEY *s_key2 = NULL;
 968         X509 *s_cert2 = NULL;
 969         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 970 # ifndef OPENSSL_NO_NEXTPROTONEG
 971         const char *next_proto_neg_in = NULL;
 972         tlsextnextprotoctx next_proto;
 973 # endif
 974 #endif
 975 #ifndef OPENSSL_NO_PSK
 976         /* by default do not send a PSK identity hint */
 977         static char *psk_identity_hint=NULL;
 978 #endif
 979 #ifndef OPENSSL_NO_SRP
 980         char *srpuserseed = NULL;
 981         char *srp_verifier_file = NULL;
 982 #endif
 983         meth=SSLv23_server_method();
 984
 985         local_argc=argc;
 986         local_argv=argv;
 987
 988         apps_startup();
 989 #ifdef MONOLITH
 990         s_server_init();
 991 #endif
 992
 993         if (bio_err == NULL)
 994                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 995
 996         if (!load_config(bio_err, NULL))
 997                 goto end;
 998
 999         verify_depth=0;
1000 #ifdef FIONBIO
1001         s_nbio=0;
1002 #endif
1003         s_nbio_test=0;
1004
1005         argc--;
1006         argv++;
1007
1008         while (argc >= 1)
1009                 {
1010                 if      ((strcmp(*argv,"-port") == 0) ||
1011                          (strcmp(*argv,"-accept") == 0))
1012                         {
1013                         if (--argc < 1) goto bad;
1014                         if (!extract_port(*(++argv),&port))
1015                                 goto bad;
1016                         }
1017                 else if (strcmp(*argv,"-verify") == 0)
1018                         {
1019                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1020                         if (--argc < 1) goto bad;
1021                         verify_depth=atoi(*(++argv));
1022                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1023                         }
1024                 else if (strcmp(*argv,"-Verify") == 0)
1025                         {
1026                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1027                                 SSL_VERIFY_CLIENT_ONCE;
1028                         if (--argc < 1) goto bad;
1029                         verify_depth=atoi(*(++argv));
1030                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1031                         }
1032                 else if (strcmp(*argv,"-context") == 0)
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         context= (unsigned char *)*(++argv);
1036                         }
1037                 else if (strcmp(*argv,"-cert") == 0)
1038                         {
1039                         if (--argc < 1) goto bad;
1040                         s_cert_file= *(++argv);
1041                         }
1042 #ifndef OPENSSL_NO_TLSEXT
1043                 else if (strcmp(*argv,"-authz") == 0)
1044                         {
1045                         if (--argc < 1) goto bad;
1046                         s_authz_file = *(++argv);
1047                         }
1048 #endif
1049                 else if (strcmp(*argv,"-certform") == 0)
1050                         {
1051                         if (--argc < 1) goto bad;
1052                         s_cert_format = str2fmt(*(++argv));
1053                         }
1054                 else if (strcmp(*argv,"-key") == 0)
1055                         {
1056                         if (--argc < 1) goto bad;
1057                         s_key_file= *(++argv);
1058                         }
1059                 else if (strcmp(*argv,"-keyform") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         s_key_format = str2fmt(*(++argv));
1063                         }
1064                 else if (strcmp(*argv,"-pass") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         passarg = *(++argv);
1068                         }
1069                 else if (strcmp(*argv,"-cert_chain") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_chain_file= *(++argv);
1073                         }
1074                 else if (strcmp(*argv,"-dhparam") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         dhfile = *(++argv);
1078                         }
1079 #ifndef OPENSSL_NO_ECDH
1080                 else if (strcmp(*argv,"-named_curve") == 0)
1081                         {
1082                         if (--argc < 1) goto bad;
1083                         named_curve = *(++argv);
1084                         }
1085 #endif
1086                 else if (strcmp(*argv,"-dcertform") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         s_dcert_format = str2fmt(*(++argv));
1090                         }
1091                 else if (strcmp(*argv,"-dcert") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         s_dcert_file= *(++argv);
1095                         }
1096                 else if (strcmp(*argv,"-dkeyform") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_dkey_format = str2fmt(*(++argv));
1100                         }
1101                 else if (strcmp(*argv,"-dpass") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         dpassarg = *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-dkey") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dkey_file= *(++argv);
1110                         }
1111                 else if (strcmp(*argv,"-dcert_chain") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         s_dchain_file= *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-nocert") == 0)
1117                         {
1118                         nocert=1;
1119                         }
1120                 else if (strcmp(*argv,"-CApath") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         CApath= *(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-no_cache") == 0)
1126                         no_cache = 1;
1127                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1128                         {
1129                         if (badarg)
1130                                 goto bad;
1131                         continue;
1132                         }
1133                 else if (strcmp(*argv,"-verify_return_error") == 0)
1134                         verify_return_error = 1;
1135                 else if (strcmp(*argv,"-serverpref") == 0)
1136                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1137                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1138                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1139                 else if (strcmp(*argv,"-cipher") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         cipher= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-CAfile") == 0)
1145                         {
1146                         if (--argc < 1) goto bad;
1147                         CAfile= *(++argv);
1148                         }
1149 #ifdef FIONBIO
1150                 else if (strcmp(*argv,"-nbio") == 0)
1151                         { s_nbio=1; }
1152 #endif
1153                 else if (strcmp(*argv,"-nbio_test") == 0)
1154                         {
1155 #ifdef FIONBIO
1156                         s_nbio=1;
1157 #endif
1158                         s_nbio_test=1;
1159                         }
1160                 else if (strcmp(*argv,"-debug") == 0)
1161                         { s_debug=1; }
1162 #ifndef OPENSSL_NO_TLSEXT
1163                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1164                         s_tlsextdebug=1;
1165                 else if (strcmp(*argv,"-status") == 0)
1166                         s_tlsextstatus=1;
1167                 else if (strcmp(*argv,"-status_verbose") == 0)
1168                         {
1169                         s_tlsextstatus=1;
1170                         tlscstatp.verbose = 1;
1171                         }
1172                 else if (!strcmp(*argv, "-status_timeout"))
1173                         {
1174                         s_tlsextstatus=1;
1175                         if (--argc < 1) goto bad;
1176                         tlscstatp.timeout = atoi(*(++argv));
1177                         }
1178                 else if (!strcmp(*argv, "-status_url"))
1179                         {
1180                         s_tlsextstatus=1;
1181                         if (--argc < 1) goto bad;
1182                         if (!OCSP_parse_url(*(++argv),
1183                                         &tlscstatp.host,
1184                                         &tlscstatp.port,
1185                                         &tlscstatp.path,
1186                                         &tlscstatp.use_ssl))
1187                                 {
1188                                 BIO_printf(bio_err, "Error parsing URL\n");
1189                                 goto bad;
1190                                 }
1191                         }
1192                 else if (strcmp(*argv,"-curves") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         curves= *(++argv);
1196                         }
1197                 else if (strcmp(*argv,"-sigalgs") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         sigalgs= *(++argv);
1201                         }
1202 #endif
1203                 else if (strcmp(*argv,"-msg") == 0)
1204                         { s_msg=1; }
1205                 else if (strcmp(*argv,"-hack") == 0)
1206                         { hack=1; }
1207                 else if (strcmp(*argv,"-state") == 0)
1208                         { state=1; }
1209                 else if (strcmp(*argv,"-crlf") == 0)
1210                         { s_crlf=1; }
1211                 else if (strcmp(*argv,"-quiet") == 0)
1212                         { s_quiet=1; }
1213                 else if (strcmp(*argv,"-bugs") == 0)
1214                         { bugs=1; }
1215                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1216                         { no_tmp_rsa=1; }
1217                 else if (strcmp(*argv,"-no_dhe") == 0)
1218                         { no_dhe=1; }
1219                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1220                         { no_ecdhe=1; }
1221 #ifndef OPENSSL_NO_PSK
1222                 else if (strcmp(*argv,"-psk_hint") == 0)
1223                         {
1224                         if (--argc < 1) goto bad;
1225                         psk_identity_hint= *(++argv);
1226                         }
1227                 else if (strcmp(*argv,"-psk") == 0)
1228                         {
1229                         size_t i;
1230
1231                         if (--argc < 1) goto bad;
1232                         psk_key=*(++argv);
1233                         for (i=0; i<strlen(psk_key); i++)
1234                                 {
1235                                 if (isxdigit((unsigned char)psk_key[i]))
1236                                         continue;
1237                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1238                                 goto bad;
1239                                 }
1240                         }
1241 #endif
1242 #ifndef OPENSSL_NO_SRP
1243                 else if (strcmp(*argv, "-srpvfile") == 0)
1244                         {
1245                         if (--argc < 1) goto bad;
1246                         srp_verifier_file = *(++argv);
1247                         meth = TLSv1_server_method();
1248                         }
1249                 else if (strcmp(*argv, "-srpuserseed") == 0)
1250                         {
1251                         if (--argc < 1) goto bad;
1252                         srpuserseed = *(++argv);
1253                         meth = TLSv1_server_method();
1254                         }
1255 #endif
1256                 else if (strcmp(*argv,"-www") == 0)
1257                         { www=1; }
1258                 else if (strcmp(*argv,"-WWW") == 0)
1259                         { www=2; }
1260                 else if (strcmp(*argv,"-HTTP") == 0)
1261                         { www=3; }
1262                 else if (strcmp(*argv,"-no_ssl2") == 0)
1263                         { off|=SSL_OP_NO_SSLv2; }
1264                 else if (strcmp(*argv,"-no_ssl3") == 0)
1265                         { off|=SSL_OP_NO_SSLv3; }
1266                 else if (strcmp(*argv,"-no_tls1") == 0)
1267                         { off|=SSL_OP_NO_TLSv1; }
1268                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1269                         { off|=SSL_OP_NO_TLSv1_1; }
1270                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1271                         { off|=SSL_OP_NO_TLSv1_2; }
1272                 else if (strcmp(*argv,"-no_comp") == 0)
1273                         { off|=SSL_OP_NO_COMPRESSION; }
1274 #ifndef OPENSSL_NO_TLSEXT
1275                 else if (strcmp(*argv,"-no_ticket") == 0)
1276                         { off|=SSL_OP_NO_TICKET; }
1277 #endif
1278 #ifndef OPENSSL_NO_SSL2
1279                 else if (strcmp(*argv,"-ssl2") == 0)
1280                         { meth=SSLv2_server_method(); }
1281 #endif
1282 #ifndef OPENSSL_NO_SSL3
1283                 else if (strcmp(*argv,"-ssl3") == 0)
1284                         { meth=SSLv3_server_method(); }
1285 #endif
1286 #ifndef OPENSSL_NO_TLS1
1287                 else if (strcmp(*argv,"-tls1") == 0)
1288                         { meth=TLSv1_server_method(); }
1289                 else if (strcmp(*argv,"-tls1_1") == 0)
1290                         { meth=TLSv1_1_server_method(); }
1291                 else if (strcmp(*argv,"-tls1_2") == 0)
1292                         { meth=TLSv1_2_server_method(); }
1293 #endif
1294 #ifndef OPENSSL_NO_DTLS1
1295                 else if (strcmp(*argv,"-dtls1") == 0)
1296                         {
1297                         meth=DTLSv1_server_method();
1298                         socket_type = SOCK_DGRAM;
1299                         }
1300                 else if (strcmp(*argv,"-timeout") == 0)
1301                         enable_timeouts = 1;
1302                 else if (strcmp(*argv,"-mtu") == 0)
1303                         {
1304                         if (--argc < 1) goto bad;
1305                         socket_mtu = atol(*(++argv));
1306                         }
1307                 else if (strcmp(*argv, "-chain") == 0)
1308                         cert_chain = 1;
1309 #endif
1310                 else if (strcmp(*argv, "-id_prefix") == 0)
1311                         {
1312                         if (--argc < 1) goto bad;
1313                         session_id_prefix = *(++argv);
1314                         }
1315 #ifndef OPENSSL_NO_ENGINE
1316                 else if (strcmp(*argv,"-engine") == 0)
1317                         {
1318                         if (--argc < 1) goto bad;
1319                         engine_id= *(++argv);
1320                         }
1321 #endif
1322                 else if (strcmp(*argv,"-rand") == 0)
1323                         {
1324                         if (--argc < 1) goto bad;
1325                         inrand= *(++argv);
1326                         }
1327 #ifndef OPENSSL_NO_TLSEXT
1328                 else if (strcmp(*argv,"-servername") == 0)
1329                         {
1330                         if (--argc < 1) goto bad;
1331                         tlsextcbp.servername= *(++argv);
1332                         }
1333                 else if (strcmp(*argv,"-servername_fatal") == 0)
1334                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1335                 else if (strcmp(*argv,"-cert2") == 0)
1336                         {
1337                         if (--argc < 1) goto bad;
1338                         s_cert_file2= *(++argv);
1339                         }
1340                 else if (strcmp(*argv,"-key2") == 0)
1341                         {
1342                         if (--argc < 1) goto bad;
1343                         s_key_file2= *(++argv);
1344                         }
1345 # ifndef OPENSSL_NO_NEXTPROTONEG
1346                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1347                         {
1348                         if (--argc < 1) goto bad;
1349                         next_proto_neg_in = *(++argv);
1350                         }
1351 # endif
1352 #endif
1353 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1354                 else if (strcmp(*argv,"-jpake") == 0)
1355                         {
1356                         if (--argc < 1) goto bad;
1357                         jpake_secret = *(++argv);
1358                         }
1359 #endif
1360                 else if (strcmp(*argv,"-use_srtp") == 0)
1361                         {
1362                         if (--argc < 1) goto bad;
1363                         srtp_profiles = *(++argv);
1364                         }
1365                 else if (strcmp(*argv,"-keymatexport") == 0)
1366                         {
1367                         if (--argc < 1) goto bad;
1368                         keymatexportlabel= *(++argv);
1369                         }
1370                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1371                         {
1372                         if (--argc < 1) goto bad;
1373                         keymatexportlen=atoi(*(++argv));
1374                         if (keymatexportlen == 0) goto bad;
1375                         }
1376                 else
1377                         {
1378                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1379                         badop=1;
1380                         break;
1381                         }
1382                 argc--;
1383                 argv++;
1384                 }
1385         if (badop)
1386                 {
1387 bad:
1388                 sv_usage();
1389                 goto end;
1390                 }
1391
1392 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1393         if (jpake_secret)
1394                 {
1395                 if (psk_key)
1396                         {
1397                         BIO_printf(bio_err,
1398                                    "Can't use JPAKE and PSK together\n");
1399                         goto end;
1400                         }
1401                 psk_identity = "JPAKE";
1402                 if (cipher)
1403                         {
1404                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1405                         goto end;
1406                         }
1407                 cipher = "PSK";
1408                 }
1409
1410 #endif
1411
1412         SSL_load_error_strings();
1413         OpenSSL_add_ssl_algorithms();
1414
1415 #ifndef OPENSSL_NO_ENGINE
1416         e = setup_engine(bio_err, engine_id, 1);
1417 #endif
1418
1419         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1420                 {
1421                 BIO_printf(bio_err, "Error getting password\n");
1422                 goto end;
1423                 }
1424
1425
1426         if (s_key_file == NULL)
1427                 s_key_file = s_cert_file;
1428 #ifndef OPENSSL_NO_TLSEXT
1429         if (s_key_file2 == NULL)
1430                 s_key_file2 = s_cert_file2;
1431 #endif
1432
1433         if (nocert == 0)
1434                 {
1435                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1436                        "server certificate private key file");
1437                 if (!s_key)
1438                         {
1439                         ERR_print_errors(bio_err);
1440                         goto end;
1441                         }
1442
1443                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1444                         NULL, e, "server certificate file");
1445
1446                 if (!s_cert)
1447                         {
1448                         ERR_print_errors(bio_err);
1449                         goto end;
1450                         }
1451                 if (s_chain_file)
1452                         {
1453                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1454                                         NULL, e, "server certificate chain");
1455                         if (!s_chain)
1456                                 goto end;
1457                         }
1458
1459 #ifndef OPENSSL_NO_TLSEXT
1460                 if (tlsextcbp.servername)
1461                         {
1462                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1463                                 "second server certificate private key file");
1464                         if (!s_key2)
1465                                 {
1466                                 ERR_print_errors(bio_err);
1467                                 goto end;
1468                                 }
1469
1470                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1471                                 NULL, e, "second server certificate file");
1472
1473                         if (!s_cert2)
1474                                 {
1475                                 ERR_print_errors(bio_err);
1476                                 goto end;
1477                                 }
1478                         }
1479 #endif /* OPENSSL_NO_TLSEXT */
1480                 }
1481
1482 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1483         if (next_proto_neg_in)
1484                 {
1485                 unsigned short len;
1486                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1487                 if (next_proto.data == NULL)
1488                         goto end;
1489                 next_proto.len = len;
1490                 }
1491         else
1492                 {
1493                 next_proto.data = NULL;
1494                 }
1495 #endif
1496
1497
1498         if (s_dcert_file)
1499                 {
1500
1501                 if (s_dkey_file == NULL)
1502                         s_dkey_file = s_dcert_file;
1503
1504                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1505                                 0, dpass, e,
1506                                "second certificate private key file");
1507                 if (!s_dkey)
1508                         {
1509                         ERR_print_errors(bio_err);
1510                         goto end;
1511                         }
1512
1513                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1514                                 NULL, e, "second server certificate file");
1515
1516                 if (!s_dcert)
1517                         {
1518                         ERR_print_errors(bio_err);
1519                         goto end;
1520                         }
1521                 if (s_dchain_file)
1522                         {
1523                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1524                                 NULL, e, "second server certificate chain");
1525                         if (!s_dchain)
1526                                 goto end;
1527                         }
1528
1529                 }
1530
1531         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1532                 && !RAND_status())
1533                 {
1534                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1535                 }
1536         if (inrand != NULL)
1537                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1538                         app_RAND_load_files(inrand));
1539
1540         if (bio_s_out == NULL)
1541                 {
1542                 if (s_quiet && !s_debug && !s_msg)
1543                         {
1544                         bio_s_out=BIO_new(BIO_s_null());
1545                         }
1546                 else
1547                         {
1548                         if (bio_s_out == NULL)
1549                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1550                         }
1551                 }
1552
1553 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1554         if (nocert)
1555 #endif
1556                 {
1557                 s_cert_file=NULL;
1558                 s_key_file=NULL;
1559                 s_dcert_file=NULL;
1560                 s_dkey_file=NULL;
1561 #ifndef OPENSSL_NO_TLSEXT
1562                 s_cert_file2=NULL;
1563                 s_key_file2=NULL;
1564 #endif
1565                 }
1566
1567         ctx=SSL_CTX_new(meth);
1568         if (ctx == NULL)
1569                 {
1570                 ERR_print_errors(bio_err);
1571                 goto end;
1572                 }
1573         if (session_id_prefix)
1574                 {
1575                 if(strlen(session_id_prefix) >= 32)
1576                         BIO_printf(bio_err,
1577 "warning: id_prefix is too long, only one new session will be possible\n");
1578                 else if(strlen(session_id_prefix) >= 16)
1579                         BIO_printf(bio_err,
1580 "warning: id_prefix is too long if you use SSLv2\n");
1581                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1582                         {
1583                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1584                         ERR_print_errors(bio_err);
1585                         goto end;
1586                         }
1587                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1588                 }
1589         SSL_CTX_set_quiet_shutdown(ctx,1);
1590         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1591         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1592         SSL_CTX_set_options(ctx,off);
1593         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1594          * Setting read ahead solves this problem.
1595          */
1596         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1597
1598         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1599         if (no_cache)
1600                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1601         else
1602                 SSL_CTX_sess_set_cache_size(ctx,128);
1603
1604         if (srtp_profiles != NULL)
1605                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1606
1607 #if 0
1608         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1609 #endif
1610
1611 #if 0
1612         if (s_cert_file == NULL)
1613                 {
1614                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1615                 goto end;
1616                 }
1617 #endif
1618
1619         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1620                 (!SSL_CTX_set_default_verify_paths(ctx)))
1621                 {
1622                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1623                 ERR_print_errors(bio_err);
1624                 /* goto end; */
1625                 }
1626         if (vpm)
1627                 SSL_CTX_set1_param(ctx, vpm);
1628
1629 #ifndef OPENSSL_NO_TLSEXT
1630         if (s_cert2)
1631                 {
1632                 ctx2=SSL_CTX_new(meth);
1633                 if (ctx2 == NULL)
1634                         {
1635                         ERR_print_errors(bio_err);
1636                         goto end;
1637                         }
1638                 }
1639
1640         if (ctx2)
1641                 {
1642                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1643
1644                 if (session_id_prefix)
1645                         {
1646                         if(strlen(session_id_prefix) >= 32)
1647                                 BIO_printf(bio_err,
1648                                         "warning: id_prefix is too long, only one new session will be possible\n");
1649                         else if(strlen(session_id_prefix) >= 16)
1650                                 BIO_printf(bio_err,
1651                                         "warning: id_prefix is too long if you use SSLv2\n");
1652                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1653                                 {
1654                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1655                                 ERR_print_errors(bio_err);
1656                                 goto end;
1657                                 }
1658                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1659                         }
1660                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1661                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1662                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1663                 SSL_CTX_set_options(ctx2,off);
1664                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1665                  * Setting read ahead solves this problem.
1666                  */
1667                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1668
1669                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1670
1671                 if (no_cache)
1672                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1673                 else
1674                         SSL_CTX_sess_set_cache_size(ctx2,128);
1675
1676                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1677                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1678                         {
1679                         ERR_print_errors(bio_err);
1680                         }
1681                 if (vpm)
1682                         SSL_CTX_set1_param(ctx2, vpm);
1683                 }
1684
1685 # ifndef OPENSSL_NO_NEXTPROTONEG
1686         if (next_proto.data)
1687                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1688 # endif
1689 #endif
1690
1691 #ifndef OPENSSL_NO_DH
1692         if (!no_dhe)
1693                 {
1694                 DH *dh=NULL;
1695
1696                 if (dhfile)
1697                         dh = load_dh_param(dhfile);
1698                 else if (s_cert_file)
1699                         dh = load_dh_param(s_cert_file);
1700
1701                 if (dh != NULL)
1702                         {
1703                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1704                         }
1705                 else
1706                         {
1707                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1708                         dh=get_dh512();
1709                         }
1710                 (void)BIO_flush(bio_s_out);
1711
1712                 SSL_CTX_set_tmp_dh(ctx,dh);
1713 #ifndef OPENSSL_NO_TLSEXT
1714                 if (ctx2)
1715                         {
1716                         if (!dhfile)
1717                                 {
1718                                 DH *dh2=load_dh_param(s_cert_file2);
1719                                 if (dh2 != NULL)
1720                                         {
1721                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1722                                         (void)BIO_flush(bio_s_out);
1723
1724                                         DH_free(dh);
1725                                         dh = dh2;
1726                                         }
1727                                 }
1728                         SSL_CTX_set_tmp_dh(ctx2,dh);
1729                         }
1730 #endif
1731                 DH_free(dh);
1732                 }
1733 #endif
1734
1735 #ifndef OPENSSL_NO_ECDH
1736         if (!no_ecdhe)
1737                 {
1738                 EC_KEY *ecdh=NULL;
1739
1740                 if (named_curve && strcmp(named_curve, "auto"))
1741                         {
1742                         int nid = EC_curve_nist2nid(named_curve);
1743                         if (nid == NID_undef)
1744                                 nid = OBJ_sn2nid(named_curve);
1745                         if (nid == 0)
1746                                 {
1747                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1748                                         named_curve);
1749                                 goto end;
1750                                 }
1751                         ecdh = EC_KEY_new_by_curve_name(nid);
1752                         if (ecdh == NULL)
1753                                 {
1754                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1755                                         named_curve);
1756                                 goto end;
1757                                 }
1758                         }
1759
1760                 if (ecdh != NULL)
1761                         {
1762                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1763                         }
1764                 else if (named_curve)
1765                         SSL_CTX_set_ecdh_auto(ctx, 1);
1766                 else
1767                         {
1768                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1769                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1770                         if (ecdh == NULL)
1771                                 {
1772                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1773                                 goto end;
1774                                 }
1775                         }
1776                 (void)BIO_flush(bio_s_out);
1777
1778                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1779 #ifndef OPENSSL_NO_TLSEXT
1780                 if (ctx2)
1781                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1782 #endif
1783                 EC_KEY_free(ecdh);
1784                 }
1785 #endif
1786
1787         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1788                 goto end;
1789 #ifndef OPENSSL_NO_TLSEXT
1790         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1791                 goto end;
1792 #endif
1793 #ifndef OPENSSL_NO_TLSEXT
1794         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1795                 goto end;
1796 #endif
1797         if (s_dcert != NULL)
1798                 {
1799                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1800                         goto end;
1801                 }
1802
1803 #ifndef OPENSSL_NO_RSA
1804 #if 1
1805         if (!no_tmp_rsa)
1806                 {
1807                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1808 #ifndef OPENSSL_NO_TLSEXT
1809                 if (ctx2)
1810                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1811 #endif
1812                 }
1813 #else
1814         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1815                 {
1816                 RSA *rsa;
1817
1818                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1819                 BIO_flush(bio_s_out);
1820
1821                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1822
1823                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1824                         {
1825                         ERR_print_errors(bio_err);
1826                         goto end;
1827                         }
1828 #ifndef OPENSSL_NO_TLSEXT
1829                         if (ctx2)
1830                                 {
1831                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1832                                         {
1833                                         ERR_print_errors(bio_err);
1834                                         goto end;
1835                                         }
1836                                 }
1837 #endif
1838                 RSA_free(rsa);
1839                 BIO_printf(bio_s_out,"\n");
1840                 }
1841 #endif
1842 #endif
1843
1844 #ifndef OPENSSL_NO_PSK
1845 #ifdef OPENSSL_NO_JPAKE
1846         if (psk_key != NULL)
1847 #else
1848         if (psk_key != NULL || jpake_secret)
1849 #endif
1850                 {
1851                 if (s_debug)
1852                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1853                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1854                 }
1855
1856         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1857                 {
1858                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1859                 ERR_print_errors(bio_err);
1860                 goto end;
1861                 }
1862 #endif
1863
1864         if (cipher != NULL)
1865                 {
1866                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1867                         {
1868                         BIO_printf(bio_err,"error setting cipher list\n");
1869                         ERR_print_errors(bio_err);
1870                         goto end;
1871                         }
1872 #ifndef OPENSSL_NO_TLSEXT
1873                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1874                         {
1875                         BIO_printf(bio_err,"error setting cipher list\n");
1876                         ERR_print_errors(bio_err);
1877                         goto end;
1878                         }
1879 #endif
1880                 }
1881 #ifndef OPENSSL_NO_TLSEXT
1882         if (curves)
1883                 {
1884                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1885                         {
1886                         BIO_printf(bio_err,"error setting curves list\n");
1887                         ERR_print_errors(bio_err);
1888                         goto end;
1889                         }
1890                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1891                         {
1892                         BIO_printf(bio_err,"error setting curves list\n");
1893                         ERR_print_errors(bio_err);
1894                         goto end;
1895                         }
1896                 }
1897         if (sigalgs)
1898                 {
1899                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1900                         {
1901                         BIO_printf(bio_err,"error setting signature algorithms\n");
1902                         ERR_print_errors(bio_err);
1903                         goto end;
1904                         }
1905                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1906                         {
1907                         BIO_printf(bio_err,"error setting signature algorithms\n");
1908                         ERR_print_errors(bio_err);
1909                         goto end;
1910                         }
1911                 }
1912 #endif
1913         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1914         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1915                 sizeof s_server_session_id_context);
1916
1917         /* Set DTLS cookie generation and verification callbacks */
1918         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1919         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1920
1921 #ifndef OPENSSL_NO_TLSEXT
1922         if (ctx2)
1923                 {
1924                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1925                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1926                         sizeof s_server_session_id_context);
1927
1928                 tlsextcbp.biodebug = bio_s_out;
1929                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1930                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1931                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1932                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1933                 }
1934 #endif
1935
1936 #ifndef OPENSSL_NO_SRP
1937         if (srp_verifier_file != NULL)
1938                 {
1939                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1940                 srp_callback_parm.user = NULL;
1941                 srp_callback_parm.login = NULL;
1942                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1943                         {
1944                         BIO_printf(bio_err,
1945                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1946                                    srp_verifier_file, ret);
1947                                 goto end;
1948                         }
1949                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1950                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1951                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1952                 }
1953         else
1954 #endif
1955         if (CAfile != NULL)
1956                 {
1957                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1958 #ifndef OPENSSL_NO_TLSEXT
1959                 if (ctx2)
1960                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1961 #endif
1962                 }
1963
1964         BIO_printf(bio_s_out,"ACCEPT\n");
1965         (void)BIO_flush(bio_s_out);
1966         if (www)
1967                 do_server(port,socket_type,&accept_socket,www_body, context);
1968         else
1969                 do_server(port,socket_type,&accept_socket,sv_body, context);
1970         print_stats(bio_s_out,ctx);
1971         ret=0;
1972 end:
1973         if (ctx != NULL) SSL_CTX_free(ctx);
1974         if (s_cert)
1975                 X509_free(s_cert);
1976         if (s_dcert)
1977                 X509_free(s_dcert);
1978         if (s_key)
1979                 EVP_PKEY_free(s_key);
1980         if (s_dkey)
1981                 EVP_PKEY_free(s_dkey);
1982         if (s_chain)
1983                 sk_X509_pop_free(s_chain, X509_free);
1984         if (s_dchain)
1985                 sk_X509_pop_free(s_dchain, X509_free);
1986         if (pass)
1987                 OPENSSL_free(pass);
1988         if (dpass)
1989                 OPENSSL_free(dpass);
1990         if (vpm)
1991                 X509_VERIFY_PARAM_free(vpm);
1992 #ifndef OPENSSL_NO_TLSEXT
1993         if (tlscstatp.host)
1994                 OPENSSL_free(tlscstatp.host);
1995         if (tlscstatp.port)
1996                 OPENSSL_free(tlscstatp.port);
1997         if (tlscstatp.path)
1998                 OPENSSL_free(tlscstatp.path);
1999         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2000         if (s_cert2)
2001                 X509_free(s_cert2);
2002         if (s_key2)
2003                 EVP_PKEY_free(s_key2);
2004         if (authz_in != NULL)
2005                 BIO_free(authz_in);
2006 #endif
2007         if (bio_s_out != NULL)
2008                 {
2009         BIO_free(bio_s_out);
2010                 bio_s_out=NULL;
2011                 }
2012         apps_shutdown();
2013         OPENSSL_EXIT(ret);
2014         }
2015
2016 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2017         {
2018         BIO_printf(bio,"%4ld items in the session cache\n",
2019                 SSL_CTX_sess_number(ssl_ctx));
2020         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2021                 SSL_CTX_sess_connect(ssl_ctx));
2022         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2023                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2024         BIO_printf(bio,"%4ld client connects that finished\n",
2025                 SSL_CTX_sess_connect_good(ssl_ctx));
2026         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2027                 SSL_CTX_sess_accept(ssl_ctx));
2028         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2029                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2030         BIO_printf(bio,"%4ld server accepts that finished\n",
2031                 SSL_CTX_sess_accept_good(ssl_ctx));
2032         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2033         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2034         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2035         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2036         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2037                 SSL_CTX_sess_cache_full(ssl_ctx),
2038                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2039         }
2040
2041 static int sv_body(char *hostname, int s, unsigned char *context)
2042         {
2043         char *buf=NULL;
2044         fd_set readfds;
2045         int ret=1,width;
2046         int k,i;
2047         unsigned long l;
2048         SSL *con=NULL;
2049         BIO *sbio;
2050 #ifndef OPENSSL_NO_KRB5
2051         KSSL_CTX *kctx;
2052 #endif
2053         struct timeval timeout;
2054 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2055         struct timeval tv;
2056 #else
2057         struct timeval *timeoutp;
2058 #endif
2059
2060         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2061                 {
2062                 BIO_printf(bio_err,"out of memory\n");
2063                 goto err;
2064                 }
2065 #ifdef FIONBIO
2066         if (s_nbio)
2067                 {
2068                 unsigned long sl=1;
2069
2070                 if (!s_quiet)
2071                         BIO_printf(bio_err,"turning on non blocking io\n");
2072                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2073                         ERR_print_errors(bio_err);
2074                 }
2075 #endif
2076
2077         if (con == NULL) {
2078                 con=SSL_new(ctx);
2079 #ifndef OPENSSL_NO_TLSEXT
2080         if (s_tlsextdebug)
2081                 {
2082                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2083                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2084                 }
2085         if (s_tlsextstatus)
2086                 {
2087                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2088                 tlscstatp.err = bio_err;
2089                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2090                 }
2091 #endif
2092 #ifndef OPENSSL_NO_KRB5
2093                 if ((kctx = kssl_ctx_new()) != NULL)
2094                         {
2095                         SSL_set0_kssl_ctx(con, kctx);
2096                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2097                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2098                         }
2099 #endif  /* OPENSSL_NO_KRB5 */
2100                 if(context)
2101                       SSL_set_session_id_context(con, context,
2102                                                  strlen((char *)context));
2103         }
2104         SSL_clear(con);
2105 #if 0
2106 #ifdef TLSEXT_TYPE_opaque_prf_input
2107         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2108 #endif
2109 #endif
2110
2111         if (SSL_version(con) == DTLS1_VERSION)
2112                 {
2113
2114                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2115
2116                 if (enable_timeouts)
2117                         {
2118                         timeout.tv_sec = 0;
2119                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2120                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2121
2122                         timeout.tv_sec = 0;
2123                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2124                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2125                         }
2126
2127                 if (socket_mtu > 28)
2128                         {
2129                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2130                         SSL_set_mtu(con, socket_mtu - 28);
2131                         }
2132                 else
2133                         /* want to do MTU discovery */
2134                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2135
2136         /* turn on cookie exchange */
2137         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2138                 }
2139         else
2140                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2141
2142         if (s_nbio_test)
2143                 {
2144                 BIO *test;
2145
2146                 test=BIO_new(BIO_f_nbio_test());
2147                 sbio=BIO_push(test,sbio);
2148                 }
2149 #ifndef OPENSSL_NO_JPAKE
2150         if(jpake_secret)
2151                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2152 #endif
2153
2154         SSL_set_bio(con,sbio,sbio);
2155         SSL_set_accept_state(con);
2156         /* SSL_set_fd(con,s); */
2157
2158         if (s_debug)
2159                 {
2160                 SSL_set_debug(con, 1);
2161                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2162                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2163                 }
2164         if (s_msg)
2165                 {
2166                 SSL_set_msg_callback(con, msg_cb);
2167                 SSL_set_msg_callback_arg(con, bio_s_out);
2168                 }
2169 #ifndef OPENSSL_NO_TLSEXT
2170         if (s_tlsextdebug)
2171                 {
2172                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2173                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2174                 }
2175 #endif
2176
2177         width=s+1;
2178         for (;;)
2179                 {
2180                 int read_from_terminal;
2181                 int read_from_sslcon;
2182
2183                 read_from_terminal = 0;
2184                 read_from_sslcon = SSL_pending(con);
2185
2186                 if (!read_from_sslcon)
2187                         {
2188                         FD_ZERO(&readfds);
2189 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2190                         openssl_fdset(fileno(stdin),&readfds);
2191 #endif
2192                         openssl_fdset(s,&readfds);
2193                         /* Note: under VMS with SOCKETSHR the second parameter is
2194                          * currently of type (int *) whereas under other systems
2195                          * it is (void *) if you don't have a cast it will choke
2196                          * the compiler: if you do have a cast then you can either
2197                          * go for (int *) or (void *).
2198                          */
2199 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2200                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2201                          * on sockets. As a workaround we timeout the select every
2202                          * second and check for any keypress. In a proper Windows
2203                          * application we wouldn't do this because it is inefficient.
2204                          */
2205                         tv.tv_sec = 1;
2206                         tv.tv_usec = 0;
2207                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2208                         if((i < 0) || (!i && !_kbhit() ) )continue;
2209                         if(_kbhit())
2210                                 read_from_terminal = 1;
2211 #elif defined(OPENSSL_SYS_BEOS_R5)
2212                         /* Under BeOS-R5 the situation is similar to DOS */
2213                         tv.tv_sec = 1;
2214                         tv.tv_usec = 0;
2215                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2216                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2217                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2218                                 continue;
2219                         if (read(fileno(stdin), buf, 0) >= 0)
2220                                 read_from_terminal = 1;
2221                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2222 #else
2223                         if ((SSL_version(con) == DTLS1_VERSION) &&
2224                                 DTLSv1_get_timeout(con, &timeout))
2225                                 timeoutp = &timeout;
2226                         else
2227                                 timeoutp = NULL;
2228
2229                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2230
2231                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2232                                 {
2233                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2234                                 }
2235
2236                         if (i <= 0) continue;
2237                         if (FD_ISSET(fileno(stdin),&readfds))
2238                                 read_from_terminal = 1;
2239 #endif
2240                         if (FD_ISSET(s,&readfds))
2241                                 read_from_sslcon = 1;
2242                         }
2243                 if (read_from_terminal)
2244                         {
2245                         if (s_crlf)
2246                                 {
2247                                 int j, lf_num;
2248
2249                                 i=raw_read_stdin(buf, bufsize/2);
2250                                 lf_num = 0;
2251                                 /* both loops are skipped when i <= 0 */
2252                                 for (j = 0; j < i; j++)
2253                                         if (buf[j] == '\n')
2254                                                 lf_num++;
2255                                 for (j = i-1; j >= 0; j--)
2256                                         {
2257                                         buf[j+lf_num] = buf[j];
2258                                         if (buf[j] == '\n')
2259                                                 {
2260                                                 lf_num--;
2261                                                 i++;
2262                                                 buf[j+lf_num] = '\r';
2263                                                 }
2264                                         }
2265                                 assert(lf_num == 0);
2266                                 }
2267                         else
2268                                 i=raw_read_stdin(buf,bufsize);
2269                         if (!s_quiet)
2270                                 {
2271                                 if ((i <= 0) || (buf[0] == 'Q'))
2272                                         {
2273                                         BIO_printf(bio_s_out,"DONE\n");
2274                                         SHUTDOWN(s);
2275                                         close_accept_socket();
2276                                         ret= -11;
2277                                         goto err;
2278                                         }
2279                                 if ((i <= 0) || (buf[0] == 'q'))
2280                                         {
2281                                         BIO_printf(bio_s_out,"DONE\n");
2282                                         if (SSL_version(con) != DTLS1_VERSION)
2283                         SHUTDOWN(s);
2284         /*                              close_accept_socket();
2285                                         ret= -11;*/
2286                                         goto err;
2287                                         }
2288
2289 #ifndef OPENSSL_NO_HEARTBEATS
2290                                 if ((buf[0] == 'B') &&
2291                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2292                                         {
2293                                         BIO_printf(bio_err,"HEARTBEATING\n");
2294                                         SSL_heartbeat(con);
2295                                         i=0;
2296                                         continue;
2297                                         }
2298 #endif
2299                                 if ((buf[0] == 'r') &&
2300                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2301                                         {
2302                                         SSL_renegotiate(con);
2303                                         i=SSL_do_handshake(con);
2304                                         printf("SSL_do_handshake -> %d\n",i);
2305                                         i=0; /*13; */
2306                                         continue;
2307                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2308                                         }
2309                                 if ((buf[0] == 'R') &&
2310                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2311                                         {
2312                                         SSL_set_verify(con,
2313                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2314                                         SSL_renegotiate(con);
2315                                         i=SSL_do_handshake(con);
2316                                         printf("SSL_do_handshake -> %d\n",i);
2317                                         i=0; /* 13; */
2318                                         continue;
2319                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2320                                         }
2321                                 if (buf[0] == 'P')
2322                                         {
2323                                         static const char *str="Lets print some clear text\n";
2324                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2325                                         }
2326                                 if (buf[0] == 'S')
2327                                         {
2328                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2329                                         }
2330                                 }
2331 #ifdef CHARSET_EBCDIC
2332                         ebcdic2ascii(buf,buf,i);
2333 #endif
2334                         l=k=0;
2335                         for (;;)
2336                                 {
2337                                 /* should do a select for the write */
2338 #ifdef RENEG
2339 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2340 #endif
2341                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2342 #ifndef OPENSSL_NO_SRP
2343                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2344                                         {
2345                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2346                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2347                                         if (srp_callback_parm.user)
2348                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2349                                         else
2350                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2351                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2352                                         }
2353 #endif
2354                                 switch (SSL_get_error(con,k))
2355                                         {
2356                                 case SSL_ERROR_NONE:
2357                                         break;
2358                                 case SSL_ERROR_WANT_WRITE:
2359                                 case SSL_ERROR_WANT_READ:
2360                                 case SSL_ERROR_WANT_X509_LOOKUP:
2361                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2362                                         break;
2363                                 case SSL_ERROR_SYSCALL:
2364                                 case SSL_ERROR_SSL:
2365                                         BIO_printf(bio_s_out,"ERROR\n");
2366                                         ERR_print_errors(bio_err);
2367                                         ret=1;
2368                                         goto err;
2369                                         /* break; */
2370                                 case SSL_ERROR_ZERO_RETURN:
2371                                         BIO_printf(bio_s_out,"DONE\n");
2372                                         ret=1;
2373                                         goto err;
2374                                         }
2375                                 l+=k;
2376                                 i-=k;
2377                                 if (i <= 0) break;
2378                                 }
2379                         }
2380                 if (read_from_sslcon)
2381                         {
2382                         if (!SSL_is_init_finished(con))
2383                                 {
2384                                 i=init_ssl_connection(con);
2385
2386                                 if (i < 0)
2387                                         {
2388                                         ret=0;
2389                                         goto err;
2390                                         }
2391                                 else if (i == 0)
2392                                         {
2393                                         ret=1;
2394                                         goto err;
2395                                         }
2396                                 }
2397                         else
2398                                 {
2399 again:
2400                                 i=SSL_read(con,(char *)buf,bufsize);
2401 #ifndef OPENSSL_NO_SRP
2402                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2403                                         {
2404                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2405                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2406                                         if (srp_callback_parm.user)
2407                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2408                                         else
2409                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2410                                         i=SSL_read(con,(char *)buf,bufsize);
2411                                         }
2412 #endif
2413                                 switch (SSL_get_error(con,i))
2414                                         {
2415                                 case SSL_ERROR_NONE:
2416 #ifdef CHARSET_EBCDIC
2417                                         ascii2ebcdic(buf,buf,i);
2418 #endif
2419                                         raw_write_stdout(buf,
2420                                                 (unsigned int)i);
2421                                         if (SSL_pending(con)) goto again;
2422                                         break;
2423                                 case SSL_ERROR_WANT_WRITE:
2424                                 case SSL_ERROR_WANT_READ:
2425                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2426                                         break;
2427                                 case SSL_ERROR_SYSCALL:
2428                                 case SSL_ERROR_SSL:
2429                                         BIO_printf(bio_s_out,"ERROR\n");
2430                                         ERR_print_errors(bio_err);
2431                                         ret=1;
2432                                         goto err;
2433                                 case SSL_ERROR_ZERO_RETURN:
2434                                         BIO_printf(bio_s_out,"DONE\n");
2435                                         ret=1;
2436                                         goto err;
2437                                         }
2438                                 }
2439                         }
2440                 }
2441 err:
2442         if (con != NULL)
2443                 {
2444                 BIO_printf(bio_s_out,"shutting down SSL\n");
2445 #if 1
2446                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2447 #else
2448                 SSL_shutdown(con);
2449 #endif
2450                 SSL_free(con);
2451                 }
2452         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2453         if (buf != NULL)
2454                 {
2455                 OPENSSL_cleanse(buf,bufsize);
2456                 OPENSSL_free(buf);
2457                 }
2458         if (ret >= 0)
2459                 BIO_printf(bio_s_out,"ACCEPT\n");
2460         return(ret);
2461         }
2462
2463 static void close_accept_socket(void)
2464         {
2465         BIO_printf(bio_err,"shutdown accept socket\n");
2466         if (accept_socket >= 0)
2467                 {
2468                 SHUTDOWN2(accept_socket);
2469                 }
2470         }
2471
2472 static int init_ssl_connection(SSL *con)
2473         {
2474         int i;
2475         const char *str;
2476         X509 *peer;
2477         long verify_error;
2478         MS_STATIC char buf[BUFSIZ];
2479 #ifndef OPENSSL_NO_KRB5
2480         char *client_princ;
2481 #endif
2482 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2483         const unsigned char *next_proto_neg;
2484         unsigned next_proto_neg_len;
2485 #endif
2486         unsigned char *exportedkeymat;
2487
2488
2489         i=SSL_accept(con);
2490 #ifndef OPENSSL_NO_SRP
2491         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2492                 {
2493                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2494                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2495                         if (srp_callback_parm.user)
2496                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2497                         else
2498                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2499                         i=SSL_accept(con);
2500                 }
2501 #endif
2502         if (i <= 0)
2503                 {
2504                 if (BIO_sock_should_retry(i))
2505                         {
2506                         BIO_printf(bio_s_out,"DELAY\n");
2507                         return(1);
2508                         }
2509
2510                 BIO_printf(bio_err,"ERROR\n");
2511                 verify_error=SSL_get_verify_result(con);
2512                 if (verify_error != X509_V_OK)
2513                         {
2514                         BIO_printf(bio_err,"verify error:%s\n",
2515                                 X509_verify_cert_error_string(verify_error));
2516                         }
2517                 else
2518                         ERR_print_errors(bio_err);
2519                 return(0);
2520                 }
2521
2522         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2523
2524         peer=SSL_get_peer_certificate(con);
2525         if (peer != NULL)
2526                 {
2527                 BIO_printf(bio_s_out,"Client certificate\n");
2528                 PEM_write_bio_X509(bio_s_out,peer);
2529                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2530                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2531                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2532                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2533                 X509_free(peer);
2534                 }
2535
2536         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2537                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2538         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2539         ssl_print_sigalgs(bio_s_out, con);
2540         ssl_print_curves(bio_s_out, con);
2541         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2542
2543 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2544         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2545         if (next_proto_neg)
2546                 {
2547                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2548                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2549                 BIO_printf(bio_s_out, "\n");
2550                 }
2551 #endif
2552         {
2553         SRTP_PROTECTION_PROFILE *srtp_profile
2554           = SSL_get_selected_srtp_profile(con);
2555
2556         if(srtp_profile)
2557                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2558                            srtp_profile->name);
2559         }
2560         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2561         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2562                 TLS1_FLAGS_TLS_PADDING_BUG)
2563                 BIO_printf(bio_s_out,
2564                            "Peer has incorrect TLSv1 block padding\n");
2565 #ifndef OPENSSL_NO_KRB5
2566         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2567         if (client_princ != NULL)
2568                 {
2569                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2570                                                                 client_princ);
2571                 }
2572 #endif /* OPENSSL_NO_KRB5 */
2573         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2574                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2575         if (keymatexportlabel != NULL)
2576                 {
2577                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2578                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2579                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2580                            keymatexportlen);
2581                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2582                 if (exportedkeymat != NULL)
2583                         {
2584                         if (!SSL_export_keying_material(con, exportedkeymat,
2585                                                         keymatexportlen,
2586                                                         keymatexportlabel,
2587                                                         strlen(keymatexportlabel),
2588                                                         NULL, 0, 0))
2589                                 {
2590                                 BIO_printf(bio_s_out, "    Error\n");
2591                                 }
2592                         else
2593                                 {
2594                                 BIO_printf(bio_s_out, "    Keying material: ");
2595                                 for (i=0; i<keymatexportlen; i++)
2596                                         BIO_printf(bio_s_out, "%02X",
2597                                                    exportedkeymat[i]);
2598                                 BIO_printf(bio_s_out, "\n");
2599                                 }
2600                         OPENSSL_free(exportedkeymat);
2601                         }
2602                 }
2603
2604         return(1);
2605         }
2606
2607 #ifndef OPENSSL_NO_DH
2608 static DH *load_dh_param(const char *dhfile)
2609         {
2610         DH *ret=NULL;
2611         BIO *bio;
2612
2613         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2614                 goto err;
2615         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2616 err:
2617         if (bio != NULL) BIO_free(bio);
2618         return(ret);
2619         }
2620 #endif
2621 #ifndef OPENSSL_NO_KRB5
2622         char *client_princ;
2623 #endif
2624
2625 #if 0
2626 static int load_CA(SSL_CTX *ctx, char *file)
2627         {
2628         FILE *in;
2629         X509 *x=NULL;
2630
2631         if ((in=fopen(file,"r")) == NULL)
2632                 return(0);
2633
2634         for (;;)
2635                 {
2636                 if (PEM_read_X509(in,&x,NULL) == NULL)
2637                         break;
2638                 SSL_CTX_add_client_CA(ctx,x);
2639                 }
2640         if (x != NULL) X509_free(x);
2641         fclose(in);
2642         return(1);
2643         }
2644 #endif
2645
2646 static int www_body(char *hostname, int s, unsigned char *context)
2647         {
2648         char *buf=NULL;
2649         int ret=1;
2650         int i,j,k,dot;
2651         SSL *con;
2652         const SSL_CIPHER *c;
2653         BIO *io,*ssl_bio,*sbio;
2654 #ifndef OPENSSL_NO_KRB5
2655         KSSL_CTX *kctx;
2656 #endif
2657
2658         buf=OPENSSL_malloc(bufsize);
2659         if (buf == NULL) return(0);
2660         io=BIO_new(BIO_f_buffer());
2661         ssl_bio=BIO_new(BIO_f_ssl());
2662         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2663
2664 #ifdef FIONBIO
2665         if (s_nbio)
2666                 {
2667                 unsigned long sl=1;
2668
2669                 if (!s_quiet)
2670                         BIO_printf(bio_err,"turning on non blocking io\n");
2671                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2672                         ERR_print_errors(bio_err);
2673                 }
2674 #endif
2675
2676         /* lets make the output buffer a reasonable size */
2677         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2678
2679         if ((con=SSL_new(ctx)) == NULL) goto err;
2680 #ifndef OPENSSL_NO_TLSEXT
2681                 if (s_tlsextdebug)
2682                         {
2683                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2684                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2685                         }
2686 #endif
2687 #ifndef OPENSSL_NO_KRB5
2688         if ((kctx = kssl_ctx_new()) != NULL)
2689                 {
2690                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2691                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2692                 }
2693 #endif  /* OPENSSL_NO_KRB5 */
2694         if(context) SSL_set_session_id_context(con, context,
2695                                                strlen((char *)context));
2696
2697         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2698         if (s_nbio_test)
2699                 {
2700                 BIO *test;
2701
2702                 test=BIO_new(BIO_f_nbio_test());
2703                 sbio=BIO_push(test,sbio);
2704                 }
2705         SSL_set_bio(con,sbio,sbio);
2706         SSL_set_accept_state(con);
2707
2708         /* SSL_set_fd(con,s); */
2709         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2710         BIO_push(io,ssl_bio);
2711 #ifdef CHARSET_EBCDIC
2712         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2713 #endif
2714
2715         if (s_debug)
2716                 {
2717                 SSL_set_debug(con, 1);
2718                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2719                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2720                 }
2721         if (s_msg)
2722                 {
2723                 SSL_set_msg_callback(con, msg_cb);
2724                 SSL_set_msg_callback_arg(con, bio_s_out);
2725                 }
2726
2727         for (;;)
2728                 {
2729                 if (hack)
2730                         {
2731                         i=SSL_accept(con);
2732 #ifndef OPENSSL_NO_SRP
2733                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2734                 {
2735                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2736                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2737                         if (srp_callback_parm.user)
2738                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2739                         else
2740                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2741                         i=SSL_accept(con);
2742                 }
2743 #endif
2744                         switch (SSL_get_error(con,i))
2745                                 {
2746                         case SSL_ERROR_NONE:
2747                                 break;
2748                         case SSL_ERROR_WANT_WRITE:
2749                         case SSL_ERROR_WANT_READ:
2750                         case SSL_ERROR_WANT_X509_LOOKUP:
2751                                 continue;
2752                         case SSL_ERROR_SYSCALL:
2753                         case SSL_ERROR_SSL:
2754                         case SSL_ERROR_ZERO_RETURN:
2755                                 ret=1;
2756                                 goto err;
2757                                 /* break; */
2758                                 }
2759
2760                         SSL_renegotiate(con);
2761                         SSL_write(con,NULL,0);
2762                         }
2763
2764                 i=BIO_gets(io,buf,bufsize-1);
2765                 if (i < 0) /* error */
2766                         {
2767                         if (!BIO_should_retry(io))
2768                                 {
2769                                 if (!s_quiet)
2770                                         ERR_print_errors(bio_err);
2771                                 goto err;
2772                                 }
2773                         else
2774                                 {
2775                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2776 #if defined(OPENSSL_SYS_NETWARE)
2777             delay(1000);
2778 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2779                                 sleep(1);
2780 #endif
2781                                 continue;
2782                                 }
2783                         }
2784                 else if (i == 0) /* end of input */
2785                         {
2786                         ret=1;
2787                         goto end;
2788                         }
2789
2790                 /* else we have data */
2791                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2792                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2793                         {
2794                         char *p;
2795                         X509 *peer;
2796                         STACK_OF(SSL_CIPHER) *sk;
2797                         static const char *space="                          ";
2798
2799                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2800                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2801                         BIO_puts(io,"<pre>\n");
2802 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2803                         BIO_puts(io,"\n");
2804                         for (i=0; i<local_argc; i++)
2805                                 {
2806                                 BIO_puts(io,local_argv[i]);
2807                                 BIO_write(io," ",1);
2808                                 }
2809                         BIO_puts(io,"\n");
2810
2811                         BIO_printf(io,
2812                                 "Secure Renegotiation IS%s supported\n",
2813                                 SSL_get_secure_renegotiation_support(con) ?
2814                                                         "" : " NOT");
2815
2816                         /* The following is evil and should not really
2817                          * be done */
2818                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2819                         sk=SSL_get_ciphers(con);
2820                         j=sk_SSL_CIPHER_num(sk);
2821                         for (i=0; i<j; i++)
2822                                 {
2823                                 c=sk_SSL_CIPHER_value(sk,i);
2824                                 BIO_printf(io,"%-11s:%-25s",
2825                                         SSL_CIPHER_get_version(c),
2826                                         SSL_CIPHER_get_name(c));
2827                                 if ((((i+1)%2) == 0) && (i+1 != j))
2828                                         BIO_puts(io,"\n");
2829                                 }
2830                         BIO_puts(io,"\n");
2831                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2832                         if (p != NULL)
2833                                 {
2834                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2835                                 j=i=0;
2836                                 while (*p)
2837                                         {
2838                                         if (*p == ':')
2839                                                 {
2840                                                 BIO_write(io,space,26-j);
2841                                                 i++;
2842                                                 j=0;
2843                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2844                                                 }
2845                                         else
2846                                                 {
2847                                                 BIO_write(io,p,1);
2848                                                 j++;
2849                                                 }
2850                                         p++;
2851                                         }
2852                                 BIO_puts(io,"\n");
2853                                 }
2854                         ssl_print_sigalgs(io, con);
2855                         ssl_print_curves(io, con);
2856                         BIO_printf(io,(SSL_cache_hit(con)
2857                                 ?"---\nReused, "
2858                                 :"---\nNew, "));
2859                         c=SSL_get_current_cipher(con);
2860                         BIO_printf(io,"%s, Cipher is %s\n",
2861                                 SSL_CIPHER_get_version(c),
2862                                 SSL_CIPHER_get_name(c));
2863                         SSL_SESSION_print(io,SSL_get_session(con));
2864                         BIO_printf(io,"---\n");
2865                         print_stats(io,SSL_get_SSL_CTX(con));
2866                         BIO_printf(io,"---\n");
2867                         peer=SSL_get_peer_certificate(con);
2868                         if (peer != NULL)
2869                                 {
2870                                 BIO_printf(io,"Client certificate\n");
2871                                 X509_print(io,peer);
2872                                 PEM_write_bio_X509(io,peer);
2873                                 }
2874                         else
2875                                 BIO_puts(io,"no client certificate available\n");
2876                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2877                         break;
2878                         }
2879                 else if ((www == 2 || www == 3)
2880                          && (strncmp("GET /",buf,5) == 0))
2881                         {
2882                         BIO *file;
2883                         char *p,*e;
2884                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2885
2886                         /* skip the '/' */
2887                         p= &(buf[5]);
2888
2889                         dot = 1;
2890                         for (e=p; *e != '\0'; e++)
2891                                 {
2892                                 if (e[0] == ' ')
2893                                         break;
2894
2895                                 switch (dot)
2896                                         {
2897                                 case 1:
2898                                         dot = (e[0] == '.') ? 2 : 0;
2899                                         break;
2900                                 case 2:
2901                                         dot = (e[0] == '.') ? 3 : 0;
2902                                         break;
2903                                 case 3:
2904                                         dot = (e[0] == '/') ? -1 : 0;
2905                                         break;
2906                                         }
2907                                 if (dot == 0)
2908                                         dot = (e[0] == '/') ? 1 : 0;
2909                                 }
2910                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2911
2912                         if (*e == '\0')
2913                                 {
2914                                 BIO_puts(io,text);
2915                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2916                                 break;
2917                                 }
2918                         *e='\0';
2919
2920                         if (dot)
2921                                 {
2922                                 BIO_puts(io,text);
2923                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2924                                 break;
2925                                 }
2926
2927                         if (*p == '/')
2928                                 {
2929                                 BIO_puts(io,text);
2930                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2931                                 break;
2932                                 }
2933
2934 #if 0
2935                         /* append if a directory lookup */
2936                         if (e[-1] == '/')
2937                                 strcat(p,"index.html");
2938 #endif
2939
2940                         /* if a directory, do the index thang */
2941                         if (app_isdir(p)>0)
2942                                 {
2943 #if 0 /* must check buffer size */
2944                                 strcat(p,"/index.html");
2945 #else
2946                                 BIO_puts(io,text);
2947                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2948                                 break;
2949 #endif
2950                                 }
2951
2952                         if ((file=BIO_new_file(p,"r")) == NULL)
2953                                 {
2954                                 BIO_puts(io,text);
2955                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2956                                 ERR_print_errors(io);
2957                                 break;
2958                                 }
2959
2960                         if (!s_quiet)
2961                                 BIO_printf(bio_err,"FILE:%s\n",p);
2962
2963                         if (www == 2)
2964                                 {
2965                                 i=strlen(p);
2966                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2967                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2968                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2969                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2970                                 else
2971                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2972                                 }
2973                         /* send the file */
2974                         for (;;)
2975                                 {
2976                                 i=BIO_read(file,buf,bufsize);
2977                                 if (i <= 0) break;
2978
2979 #ifdef RENEG
2980                                 total_bytes+=i;
2981                                 fprintf(stderr,"%d\n",i);
2982                                 if (total_bytes > 3*1024)
2983                                         {
2984                                         total_bytes=0;
2985                                         fprintf(stderr,"RENEGOTIATE\n");
2986                                         SSL_renegotiate(con);
2987                                         }
2988 #endif
2989
2990                                 for (j=0; j<i; )
2991                                         {
2992 #ifdef RENEG
2993 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2994 #endif
2995                                         k=BIO_write(io,&(buf[j]),i-j);
2996                                         if (k <= 0)
2997                                                 {
2998                                                 if (!BIO_should_retry(io))
2999                                                         goto write_error;
3000                                                 else
3001                                                         {
3002                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3003                                                         }
3004                                                 }
3005                                         else
3006                                                 {
3007                                                 j+=k;
3008                                                 }
3009                                         }
3010                                 }
3011 write_error:
3012                         BIO_free(file);
3013                         break;
3014                         }
3015                 }
3016
3017         for (;;)
3018                 {
3019                 i=(int)BIO_flush(io);
3020                 if (i <= 0)
3021                         {
3022                         if (!BIO_should_retry(io))
3023                                 break;
3024                         }
3025                 else
3026                         break;
3027                 }
3028 end:
3029 #if 1
3030         /* make sure we re-use sessions */
3031         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3032 #else
3033         /* This kills performance */
3034 /*      SSL_shutdown(con); A shutdown gets sent in the
3035  *      BIO_free_all(io) procession */
3036 #endif
3037
3038 err:
3039
3040         if (ret >= 0)
3041                 BIO_printf(bio_s_out,"ACCEPT\n");
3042
3043         if (buf != NULL) OPENSSL_free(buf);
3044         if (io != NULL) BIO_free_all(io);
3045 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3046         return(ret);
3047         }
3048
3049 #ifndef OPENSSL_NO_RSA
3050 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3051         {
3052         BIGNUM *bn = NULL;
3053         static RSA *rsa_tmp=NULL;
3054
3055         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3056                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3057         if (!rsa_tmp && bn)
3058                 {
3059                 if (!s_quiet)
3060                         {
3061                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3062                         (void)BIO_flush(bio_err);
3063                         }
3064                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3065                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3066                         {
3067                         if(rsa_tmp) RSA_free(rsa_tmp);
3068                         rsa_tmp = NULL;
3069                         }
3070                 if (!s_quiet)
3071                         {
3072                         BIO_printf(bio_err,"\n");
3073                         (void)BIO_flush(bio_err);
3074                         }
3075                 BN_free(bn);
3076                 }
3077         return(rsa_tmp);
3078         }
3079 #endif
3080
3081 #define MAX_SESSION_ID_ATTEMPTS 10
3082 static int generate_session_id(const SSL *ssl, unsigned char *id,
3083                                 unsigned int *id_len)
3084         {
3085         unsigned int count = 0;
3086         do      {
3087                 RAND_pseudo_bytes(id, *id_len);
3088                 /* Prefix the session_id with the required prefix. NB: If our
3089                  * prefix is too long, clip it - but there will be worse effects
3090                  * anyway, eg. the server could only possibly create 1 session
3091                  * ID (ie. the prefix!) so all future session negotiations will
3092                  * fail due to conflicts. */
3093                 memcpy(id, session_id_prefix,
3094                         (strlen(session_id_prefix) < *id_len) ?
3095                         strlen(session_id_prefix) : *id_len);
3096                 }
3097         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3098                 (++count < MAX_SESSION_ID_ATTEMPTS));
3099         if(count >= MAX_SESSION_ID_ATTEMPTS)
3100                 return 0;
3101         return 1;
3102         }