apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 static char *curves=NULL;
 274 static char *sigalgs=NULL;
 275 #endif
 276 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 277 #ifdef FIONBIO
 278 static int s_nbio=0;
 279 #endif
 280 static int s_nbio_test=0;
 281 int s_crlf=0;
 282 static SSL_CTX *ctx=NULL;
 283 #ifndef OPENSSL_NO_TLSEXT
 284 static SSL_CTX *ctx2=NULL;
 285 #endif
 286 static int www=0;
 287
 288 static BIO *bio_s_out=NULL;
 289 static int s_debug=0;
 290 #ifndef OPENSSL_NO_TLSEXT
 291 static int s_tlsextdebug=0;
 292 static int s_tlsextstatus=0;
 293 static int cert_status_cb(SSL *s, void *arg);
 294 #endif
 295 static int s_msg=0;
 296 static int s_quiet=0;
 297
 298 static char *keymatexportlabel=NULL;
 299 static int keymatexportlen=20;
 300
 301 static int hack=0;
 302 #ifndef OPENSSL_NO_ENGINE
 303 static char *engine_id=NULL;
 304 #endif
 305 static const char *session_id_prefix=NULL;
 306
 307 static int enable_timeouts = 0;
 308 static long socket_mtu;
 309 #ifndef OPENSSL_NO_DTLS1
 310 static int cert_chain = 0;
 311 #endif
 312
 313 #ifndef OPENSSL_NO_TLSEXT
 314 static BIO *authz_in = NULL;
 315 static const char *s_authz_file = NULL;
 316 #endif
 317
 318 #ifndef OPENSSL_NO_PSK
 319 static char *psk_identity="Client_identity";
 320 char *psk_key=NULL; /* by default PSK is not used */
 321
 322 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 323         unsigned char *psk, unsigned int max_psk_len)
 324         {
 325         unsigned int psk_len = 0;
 326         int ret;
 327         BIGNUM *bn = NULL;
 328
 329         if (s_debug)
 330                 BIO_printf(bio_s_out,"psk_server_cb\n");
 331         if (!identity)
 332                 {
 333                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 334                 goto out_err;
 335                 }
 336         if (s_debug)
 337                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 338                         identity ? (int)strlen(identity) : 0, identity);
 339
 340         /* here we could lookup the given identity e.g. from a database */
 341         if (strcmp(identity, psk_identity) != 0)
 342                 {
 343                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 344                            " (got '%s' expected '%s')\n", identity,
 345                            psk_identity);
 346                 goto out_err;
 347                 }
 348         if (s_debug)
 349                 BIO_printf(bio_s_out, "PSK client identity found\n");
 350
 351         /* convert the PSK key to binary */
 352         ret = BN_hex2bn(&bn, psk_key);
 353         if (!ret)
 354                 {
 355                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 356                 if (bn)
 357                         BN_free(bn);
 358                 return 0;
 359                 }
 360         if (BN_num_bytes(bn) > (int)max_psk_len)
 361                 {
 362                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 363                         max_psk_len, BN_num_bytes(bn));
 364                 BN_free(bn);
 365                 return 0;
 366                 }
 367
 368         ret = BN_bn2bin(bn, psk);
 369         BN_free(bn);
 370
 371         if (ret < 0)
 372                 goto out_err;
 373         psk_len = (unsigned int)ret;
 374
 375         if (s_debug)
 376                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 377         return psk_len;
 378  out_err:
 379         if (s_debug)
 380                 BIO_printf(bio_err, "Error in PSK server callback\n");
 381         return 0;
 382         }
 383 #endif
 384
 385 #ifndef OPENSSL_NO_SRP
 386 /* This is a context that we pass to callbacks */
 387 typedef struct srpsrvparm_st
 388         {
 389         char *login;
 390         SRP_VBASE *vb;
 391         SRP_user_pwd *user;
 392         } srpsrvparm;
 393
 394 /* This callback pretends to require some asynchronous logic in order to obtain
 395    a verifier. When the callback is called for a new connection we return
 396    with a negative value. This will provoke the accept etc to return with
 397    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 398    (which would normally occur after a worker has finished) and we
 399    set the user parameters.
 400 */
 401 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 402         {
 403         srpsrvparm *p = (srpsrvparm *)arg;
 404         if (p->login == NULL && p->user == NULL )
 405                 {
 406                 p->login = SSL_get_srp_username(s);
 407                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 408                 return (-1) ;
 409                 }
 410
 411         if (p->user == NULL)
 412                 {
 413                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 414                 return SSL3_AL_FATAL;
 415                 }
 416         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 417                                      p->user->info) < 0)
 418                 {
 419                 *ad = SSL_AD_INTERNAL_ERROR;
 420                 return SSL3_AL_FATAL;
 421                 }
 422         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 423         /* need to check whether there are memory leaks */
 424         p->user = NULL;
 425         p->login = NULL;
 426         return SSL_ERROR_NONE;
 427         }
 428
 429 #endif
 430
 431 #ifdef MONOLITH
 432 static void s_server_init(void)
 433         {
 434         accept_socket=-1;
 435         cipher=NULL;
 436         s_server_verify=SSL_VERIFY_NONE;
 437         s_dcert_file=NULL;
 438         s_dkey_file=NULL;
 439         s_dchain_file=NULL;
 440         s_cert_file=TEST_CERT;
 441         s_key_file=NULL;
 442         s_chain_file=NULL;
 443 #ifndef OPENSSL_NO_TLSEXT
 444         curves=NULL;
 445         s_cert_file2=TEST_CERT2;
 446         s_key_file2=NULL;
 447         ctx2=NULL;
 448 #endif
 449 #ifdef FIONBIO
 450         s_nbio=0;
 451 #endif
 452         s_nbio_test=0;
 453         ctx=NULL;
 454         www=0;
 455
 456         bio_s_out=NULL;
 457         s_debug=0;
 458         s_msg=0;
 459         s_quiet=0;
 460         hack=0;
 461 #ifndef OPENSSL_NO_ENGINE
 462         engine_id=NULL;
 463 #endif
 464         }
 465 #endif
 466
 467 static void sv_usage(void)
 468         {
 469         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 470         BIO_printf(bio_err,"\n");
 471         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 472         BIO_printf(bio_err," -context arg  - set session ID context\n");
 473         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 474         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 475         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 476         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 477         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 478         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 479                            "                 The CRL(s) are appended to the certificate file\n");
 480         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 481                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 482                            "                 the certificate file.\n");
 483         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 484         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 485         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 486         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 487         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 488         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 489         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 490         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 491         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 492         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 493         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 494         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 495 #ifndef OPENSSL_NO_ECDH
 496         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 497                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 498                            "                 (default is nistp256).\n");
 499 #endif
 500 #ifdef FIONBIO
 501         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 502 #endif
 503         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 504         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 505         BIO_printf(bio_err," -debug        - Print more output\n");
 506         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 507         BIO_printf(bio_err," -state        - Print the SSL states\n");
 508         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 509         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 510         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 511         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 512         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 513         BIO_printf(bio_err," -quiet        - No server output\n");
 514         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 515 #ifndef OPENSSL_NO_PSK
 516         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 517         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 518 # ifndef OPENSSL_NO_JPAKE
 519         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 520 # endif
 521 #endif
 522 #ifndef OPENSSL_NO_SRP
 523         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 524         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 525 #endif
 526         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 527         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 528         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 529         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 530         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 531         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 532         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 533         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 534         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 535         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 536         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 537         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 538         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 539         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 540 #ifndef OPENSSL_NO_DH
 541         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 542 #endif
 543 #ifndef OPENSSL_NO_ECDH
 544         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 545 #endif
 546         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 547         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 548         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 549         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 550         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 551 #ifndef OPENSSL_NO_ENGINE
 552         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 553 #endif
 554         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 555         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 556 #ifndef OPENSSL_NO_TLSEXT
 557         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 558         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 559         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 560         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 561         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 562         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 563         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 564         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 565         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 566 # ifndef OPENSSL_NO_NEXTPROTONEG
 567         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 568 # endif
 569         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 570 #endif
 571         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 572         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 573         }
 574
 575 static int local_argc=0;
 576 static char **local_argv;
 577
 578 #ifdef CHARSET_EBCDIC
 579 static int ebcdic_new(BIO *bi);
 580 static int ebcdic_free(BIO *a);
 581 static int ebcdic_read(BIO *b, char *out, int outl);
 582 static int ebcdic_write(BIO *b, const char *in, int inl);
 583 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 584 static int ebcdic_gets(BIO *bp, char *buf, int size);
 585 static int ebcdic_puts(BIO *bp, const char *str);
 586
 587 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 588 static BIO_METHOD methods_ebcdic=
 589         {
 590         BIO_TYPE_EBCDIC_FILTER,
 591         "EBCDIC/ASCII filter",
 592         ebcdic_write,
 593         ebcdic_read,
 594         ebcdic_puts,
 595         ebcdic_gets,
 596         ebcdic_ctrl,
 597         ebcdic_new,
 598         ebcdic_free,
 599         };
 600
 601 typedef struct
 602 {
 603         size_t  alloced;
 604         char    buff[1];
 605 } EBCDIC_OUTBUFF;
 606
 607 BIO_METHOD *BIO_f_ebcdic_filter()
 608 {
 609         return(&methods_ebcdic);
 610 }
 611
 612 static int ebcdic_new(BIO *bi)
 613 {
 614         EBCDIC_OUTBUFF *wbuf;
 615
 616         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 617         wbuf->alloced = 1024;
 618         wbuf->buff[0] = '\0';
 619
 620         bi->ptr=(char *)wbuf;
 621         bi->init=1;
 622         bi->flags=0;
 623         return(1);
 624 }
 625
 626 static int ebcdic_free(BIO *a)
 627 {
 628         if (a == NULL) return(0);
 629         if (a->ptr != NULL)
 630                 OPENSSL_free(a->ptr);
 631         a->ptr=NULL;
 632         a->init=0;
 633         a->flags=0;
 634         return(1);
 635 }
 636
 637 static int ebcdic_read(BIO *b, char *out, int outl)
 638 {
 639         int ret=0;
 640
 641         if (out == NULL || outl == 0) return(0);
 642         if (b->next_bio == NULL) return(0);
 643
 644         ret=BIO_read(b->next_bio,out,outl);
 645         if (ret > 0)
 646                 ascii2ebcdic(out,out,ret);
 647         return(ret);
 648 }
 649
 650 static int ebcdic_write(BIO *b, const char *in, int inl)
 651 {
 652         EBCDIC_OUTBUFF *wbuf;
 653         int ret=0;
 654         int num;
 655         unsigned char n;
 656
 657         if ((in == NULL) || (inl <= 0)) return(0);
 658         if (b->next_bio == NULL) return(0);
 659
 660         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 661
 662         if (inl > (num = wbuf->alloced))
 663         {
 664                 num = num + num;  /* double the size */
 665                 if (num < inl)
 666                         num = inl;
 667                 OPENSSL_free(wbuf);
 668                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 669
 670                 wbuf->alloced = num;
 671                 wbuf->buff[0] = '\0';
 672
 673                 b->ptr=(char *)wbuf;
 674         }
 675
 676         ebcdic2ascii(wbuf->buff, in, inl);
 677
 678         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 679
 680         return(ret);
 681 }
 682
 683 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 684 {
 685         long ret;
 686
 687         if (b->next_bio == NULL) return(0);
 688         switch (cmd)
 689         {
 690         case BIO_CTRL_DUP:
 691                 ret=0L;
 692                 break;
 693         default:
 694                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 695                 break;
 696         }
 697         return(ret);
 698 }
 699
 700 static int ebcdic_gets(BIO *bp, char *buf, int size)
 701 {
 702         int i, ret=0;
 703         if (bp->next_bio == NULL) return(0);
 704 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 705         for (i=0; i<size-1; ++i)
 706         {
 707                 ret = ebcdic_read(bp,&buf[i],1);
 708                 if (ret <= 0)
 709                         break;
 710                 else if (buf[i] == '\n')
 711                 {
 712                         ++i;
 713                         break;
 714                 }
 715         }
 716         if (i < size)
 717                 buf[i] = '\0';
 718         return (ret < 0 && i == 0) ? ret : i;
 719 }
 720
 721 static int ebcdic_puts(BIO *bp, const char *str)
 722 {
 723         if (bp->next_bio == NULL) return(0);
 724         return ebcdic_write(bp, str, strlen(str));
 725 }
 726 #endif
 727
 728 #ifndef OPENSSL_NO_TLSEXT
 729
 730 /* This is a context that we pass to callbacks */
 731 typedef struct tlsextctx_st {
 732    char * servername;
 733    BIO * biodebug;
 734    int extension_error;
 735 } tlsextctx;
 736
 737
 738 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 739         {
 740         tlsextctx * p = (tlsextctx *) arg;
 741         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 742         if (servername && p->biodebug)
 743                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 744
 745         if (!p->servername)
 746                 return SSL_TLSEXT_ERR_NOACK;
 747
 748         if (servername)
 749                 {
 750                 if (strcmp(servername,p->servername))
 751                         return p->extension_error;
 752                 if (ctx2)
 753                         {
 754                         BIO_printf(p->biodebug,"Switching server context.\n");
 755                         SSL_set_SSL_CTX(s,ctx2);
 756                         }
 757                 }
 758         return SSL_TLSEXT_ERR_OK;
 759 }
 760
 761 /* Structure passed to cert status callback */
 762
 763 typedef struct tlsextstatusctx_st {
 764    /* Default responder to use */
 765    char *host, *path, *port;
 766    int use_ssl;
 767    int timeout;
 768    BIO *err;
 769    int verbose;
 770 } tlsextstatusctx;
 771
 772 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 773
 774 /* Certificate Status callback. This is called when a client includes a
 775  * certificate status request extension.
 776  *
 777  * This is a simplified version. It examines certificates each time and
 778  * makes one OCSP responder query for each request.
 779  *
 780  * A full version would store details such as the OCSP certificate IDs and
 781  * minimise the number of OCSP responses by caching them until they were
 782  * considered "expired".
 783  */
 784
 785 static int cert_status_cb(SSL *s, void *arg)
 786         {
 787         tlsextstatusctx *srctx = arg;
 788         BIO *err = srctx->err;
 789         char *host, *port, *path;
 790         int use_ssl;
 791         unsigned char *rspder = NULL;
 792         int rspderlen;
 793         STACK_OF(OPENSSL_STRING) *aia = NULL;
 794         X509 *x = NULL;
 795         X509_STORE_CTX inctx;
 796         X509_OBJECT obj;
 797         OCSP_REQUEST *req = NULL;
 798         OCSP_RESPONSE *resp = NULL;
 799         OCSP_CERTID *id = NULL;
 800         STACK_OF(X509_EXTENSION) *exts;
 801         int ret = SSL_TLSEXT_ERR_NOACK;
 802         int i;
 803 #if 0
 804 STACK_OF(OCSP_RESPID) *ids;
 805 SSL_get_tlsext_status_ids(s, &ids);
 806 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 807 #endif
 808         if (srctx->verbose)
 809                 BIO_puts(err, "cert_status: callback called\n");
 810         /* Build up OCSP query from server certificate */
 811         x = SSL_get_certificate(s);
 812         aia = X509_get1_ocsp(x);
 813         if (aia)
 814                 {
 815                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 816                         &host, &port, &path, &use_ssl))
 817                         {
 818                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 819                         goto err;
 820                         }
 821                 if (srctx->verbose)
 822                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 823                                         sk_OPENSSL_STRING_value(aia, 0));
 824                 }
 825         else
 826                 {
 827                 if (!srctx->host)
 828                         {
 829                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 830                         goto done;
 831                         }
 832                 host = srctx->host;
 833                 path = srctx->path;
 834                 port = srctx->port;
 835                 use_ssl = srctx->use_ssl;
 836                 }
 837
 838         if (!X509_STORE_CTX_init(&inctx,
 839                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 840                                 NULL, NULL))
 841                 goto err;
 842         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 843                                 X509_get_issuer_name(x),&obj) <= 0)
 844                 {
 845                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 846                 X509_STORE_CTX_cleanup(&inctx);
 847                 goto done;
 848                 }
 849         req = OCSP_REQUEST_new();
 850         if (!req)
 851                 goto err;
 852         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 853         X509_free(obj.data.x509);
 854         X509_STORE_CTX_cleanup(&inctx);
 855         if (!id)
 856                 goto err;
 857         if (!OCSP_request_add0_id(req, id))
 858                 goto err;
 859         id = NULL;
 860         /* Add any extensions to the request */
 861         SSL_get_tlsext_status_exts(s, &exts);
 862         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 863                 {
 864                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 865                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 866                         goto err;
 867                 }
 868         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 869                                         srctx->timeout);
 870         if (!resp)
 871                 {
 872                 BIO_puts(err, "cert_status: error querying responder\n");
 873                 goto done;
 874                 }
 875         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 876         if (rspderlen <= 0)
 877                 goto err;
 878         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 879         if (srctx->verbose)
 880                 {
 881                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 882                 OCSP_RESPONSE_print(err, resp, 2);
 883                 }
 884         ret = SSL_TLSEXT_ERR_OK;
 885         done:
 886         if (ret != SSL_TLSEXT_ERR_OK)
 887                 ERR_print_errors(err);
 888         if (aia)
 889                 {
 890                 OPENSSL_free(host);
 891                 OPENSSL_free(path);
 892                 OPENSSL_free(port);
 893                 X509_email_free(aia);
 894                 }
 895         if (id)
 896                 OCSP_CERTID_free(id);
 897         if (req)
 898                 OCSP_REQUEST_free(req);
 899         if (resp)
 900                 OCSP_RESPONSE_free(resp);
 901         return ret;
 902         err:
 903         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 904         goto done;
 905         }
 906
 907 # ifndef OPENSSL_NO_NEXTPROTONEG
 908 /* This is the context that we pass to next_proto_cb */
 909 typedef struct tlsextnextprotoctx_st {
 910         unsigned char *data;
 911         unsigned int len;
 912 } tlsextnextprotoctx;
 913
 914 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 915         {
 916         tlsextnextprotoctx *next_proto = arg;
 917
 918         *data = next_proto->data;
 919         *len = next_proto->len;
 920
 921         return SSL_TLSEXT_ERR_OK;
 922         }
 923 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 924
 925
 926 #endif
 927
 928 int MAIN(int, char **);
 929
 930 #ifndef OPENSSL_NO_JPAKE
 931 static char *jpake_secret = NULL;
 932 #endif
 933 #ifndef OPENSSL_NO_SRP
 934         static srpsrvparm srp_callback_parm;
 935 #endif
 936 static char *srtp_profiles = NULL;
 937
 938 int MAIN(int argc, char *argv[])
 939         {
 940         X509_VERIFY_PARAM *vpm = NULL;
 941         int badarg = 0;
 942         short port=PORT;
 943         char *CApath=NULL,*CAfile=NULL;
 944         unsigned char *context = NULL;
 945         char *dhfile = NULL;
 946 #ifndef OPENSSL_NO_ECDH
 947         char *named_curve = NULL;
 948 #endif
 949         int badop=0,bugs=0;
 950         int ret=1;
 951         int off=0;
 952         int cert_flags = 0;
 953         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 954         int state=0;
 955         const SSL_METHOD *meth=NULL;
 956         int socket_type=SOCK_STREAM;
 957         ENGINE *e=NULL;
 958         char *inrand=NULL;
 959         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 960         char *passarg = NULL, *pass = NULL;
 961         char *dpassarg = NULL, *dpass = NULL;
 962         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 963         X509 *s_cert = NULL, *s_dcert = NULL;
 964         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 965         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 966         int no_cache = 0;
 967 #ifndef OPENSSL_NO_TLSEXT
 968         EVP_PKEY *s_key2 = NULL;
 969         X509 *s_cert2 = NULL;
 970         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 971 # ifndef OPENSSL_NO_NEXTPROTONEG
 972         const char *next_proto_neg_in = NULL;
 973         tlsextnextprotoctx next_proto;
 974 # endif
 975 #endif
 976 #ifndef OPENSSL_NO_PSK
 977         /* by default do not send a PSK identity hint */
 978         static char *psk_identity_hint=NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_SRP
 981         char *srpuserseed = NULL;
 982         char *srp_verifier_file = NULL;
 983 #endif
 984         SSL_EXCERT *exc = NULL;
 985         meth=SSLv23_server_method();
 986
 987         local_argc=argc;
 988         local_argv=argv;
 989
 990         apps_startup();
 991 #ifdef MONOLITH
 992         s_server_init();
 993 #endif
 994
 995         if (bio_err == NULL)
 996                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 997
 998         if (!load_config(bio_err, NULL))
 999                 goto end;
1000
1001         verify_depth=0;
1002 #ifdef FIONBIO
1003         s_nbio=0;
1004 #endif
1005         s_nbio_test=0;
1006
1007         argc--;
1008         argv++;
1009
1010         while (argc >= 1)
1011                 {
1012                 if      ((strcmp(*argv,"-port") == 0) ||
1013                          (strcmp(*argv,"-accept") == 0))
1014                         {
1015                         if (--argc < 1) goto bad;
1016                         if (!extract_port(*(++argv),&port))
1017                                 goto bad;
1018                         }
1019                 else if (strcmp(*argv,"-verify") == 0)
1020                         {
1021                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1022                         if (--argc < 1) goto bad;
1023                         verify_depth=atoi(*(++argv));
1024                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1025                         }
1026                 else if (strcmp(*argv,"-Verify") == 0)
1027                         {
1028                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1029                                 SSL_VERIFY_CLIENT_ONCE;
1030                         if (--argc < 1) goto bad;
1031                         verify_depth=atoi(*(++argv));
1032                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1033                         }
1034                 else if (strcmp(*argv,"-context") == 0)
1035                         {
1036                         if (--argc < 1) goto bad;
1037                         context= (unsigned char *)*(++argv);
1038                         }
1039                 else if (strcmp(*argv,"-cert") == 0)
1040                         {
1041                         if (--argc < 1) goto bad;
1042                         s_cert_file= *(++argv);
1043                         }
1044 #ifndef OPENSSL_NO_TLSEXT
1045                 else if (strcmp(*argv,"-authz") == 0)
1046                         {
1047                         if (--argc < 1) goto bad;
1048                         s_authz_file = *(++argv);
1049                         }
1050 #endif
1051                 else if (strcmp(*argv,"-certform") == 0)
1052                         {
1053                         if (--argc < 1) goto bad;
1054                         s_cert_format = str2fmt(*(++argv));
1055                         }
1056                 else if (strcmp(*argv,"-key") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         s_key_file= *(++argv);
1060                         }
1061                 else if (strcmp(*argv,"-keyform") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         s_key_format = str2fmt(*(++argv));
1065                         }
1066                 else if (strcmp(*argv,"-pass") == 0)
1067                         {
1068                         if (--argc < 1) goto bad;
1069                         passarg = *(++argv);
1070                         }
1071                 else if (strcmp(*argv,"-cert_chain") == 0)
1072                         {
1073                         if (--argc < 1) goto bad;
1074                         s_chain_file= *(++argv);
1075                         }
1076                 else if (strcmp(*argv,"-dhparam") == 0)
1077                         {
1078                         if (--argc < 1) goto bad;
1079                         dhfile = *(++argv);
1080                         }
1081 #ifndef OPENSSL_NO_ECDH
1082                 else if (strcmp(*argv,"-named_curve") == 0)
1083                         {
1084                         if (--argc < 1) goto bad;
1085                         named_curve = *(++argv);
1086                         }
1087 #endif
1088                 else if (strcmp(*argv,"-dcertform") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         s_dcert_format = str2fmt(*(++argv));
1092                         }
1093                 else if (strcmp(*argv,"-dcert") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         s_dcert_file= *(++argv);
1097                         }
1098                 else if (strcmp(*argv,"-dkeyform") == 0)
1099                         {
1100                         if (--argc < 1) goto bad;
1101                         s_dkey_format = str2fmt(*(++argv));
1102                         }
1103                 else if (strcmp(*argv,"-dpass") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         dpassarg = *(++argv);
1107                         }
1108                 else if (strcmp(*argv,"-dkey") == 0)
1109                         {
1110                         if (--argc < 1) goto bad;
1111                         s_dkey_file= *(++argv);
1112                         }
1113                 else if (strcmp(*argv,"-dcert_chain") == 0)
1114                         {
1115                         if (--argc < 1) goto bad;
1116                         s_dchain_file= *(++argv);
1117                         }
1118                 else if (strcmp(*argv,"-nocert") == 0)
1119                         {
1120                         nocert=1;
1121                         }
1122                 else if (strcmp(*argv,"-CApath") == 0)
1123                         {
1124                         if (--argc < 1) goto bad;
1125                         CApath= *(++argv);
1126                         }
1127                 else if (strcmp(*argv,"-no_cache") == 0)
1128                         no_cache = 1;
1129                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1130                         {
1131                         if (badarg)
1132                                 goto bad;
1133                         continue;
1134                         }
1135                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1136                         {
1137                         if (badarg)
1138                                 goto bad;
1139                         continue;
1140                         }
1141                 else if (strcmp(*argv,"-verify_return_error") == 0)
1142                         verify_return_error = 1;
1143                 else if (strcmp(*argv,"-serverpref") == 0)
1144                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1145                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1146                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1147                 else if (strcmp(*argv,"-cipher") == 0)
1148                         {
1149                         if (--argc < 1) goto bad;
1150                         cipher= *(++argv);
1151                         }
1152                 else if (strcmp(*argv,"-CAfile") == 0)
1153                         {
1154                         if (--argc < 1) goto bad;
1155                         CAfile= *(++argv);
1156                         }
1157 #ifdef FIONBIO
1158                 else if (strcmp(*argv,"-nbio") == 0)
1159                         { s_nbio=1; }
1160 #endif
1161                 else if (strcmp(*argv,"-nbio_test") == 0)
1162                         {
1163 #ifdef FIONBIO
1164                         s_nbio=1;
1165 #endif
1166                         s_nbio_test=1;
1167                         }
1168                 else if (strcmp(*argv,"-debug") == 0)
1169                         { s_debug=1; }
1170 #ifndef OPENSSL_NO_TLSEXT
1171                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1172                         s_tlsextdebug=1;
1173                 else if (strcmp(*argv,"-status") == 0)
1174                         s_tlsextstatus=1;
1175                 else if (strcmp(*argv,"-status_verbose") == 0)
1176                         {
1177                         s_tlsextstatus=1;
1178                         tlscstatp.verbose = 1;
1179                         }
1180                 else if (!strcmp(*argv, "-status_timeout"))
1181                         {
1182                         s_tlsextstatus=1;
1183                         if (--argc < 1) goto bad;
1184                         tlscstatp.timeout = atoi(*(++argv));
1185                         }
1186                 else if (!strcmp(*argv, "-status_url"))
1187                         {
1188                         s_tlsextstatus=1;
1189                         if (--argc < 1) goto bad;
1190                         if (!OCSP_parse_url(*(++argv),
1191                                         &tlscstatp.host,
1192                                         &tlscstatp.port,
1193                                         &tlscstatp.path,
1194                                         &tlscstatp.use_ssl))
1195                                 {
1196                                 BIO_printf(bio_err, "Error parsing URL\n");
1197                                 goto bad;
1198                                 }
1199                         }
1200                 else if (strcmp(*argv,"-curves") == 0)
1201                         {
1202                         if (--argc < 1) goto bad;
1203                         curves= *(++argv);
1204                         }
1205                 else if (strcmp(*argv,"-sigalgs") == 0)
1206                         {
1207                         if (--argc < 1) goto bad;
1208                         sigalgs= *(++argv);
1209                         }
1210 #endif
1211                 else if (strcmp(*argv,"-msg") == 0)
1212                         { s_msg=1; }
1213                 else if (strcmp(*argv,"-hack") == 0)
1214                         { hack=1; }
1215                 else if (strcmp(*argv,"-state") == 0)
1216                         { state=1; }
1217                 else if (strcmp(*argv,"-crlf") == 0)
1218                         { s_crlf=1; }
1219                 else if (strcmp(*argv,"-quiet") == 0)
1220                         { s_quiet=1; }
1221                 else if (strcmp(*argv,"-bugs") == 0)
1222                         { bugs=1; }
1223                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1224                         { no_tmp_rsa=1; }
1225                 else if (strcmp(*argv,"-no_dhe") == 0)
1226                         { no_dhe=1; }
1227                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1228                         { no_ecdhe=1; }
1229 #ifndef OPENSSL_NO_PSK
1230                 else if (strcmp(*argv,"-psk_hint") == 0)
1231                         {
1232                         if (--argc < 1) goto bad;
1233                         psk_identity_hint= *(++argv);
1234                         }
1235                 else if (strcmp(*argv,"-psk") == 0)
1236                         {
1237                         size_t i;
1238
1239                         if (--argc < 1) goto bad;
1240                         psk_key=*(++argv);
1241                         for (i=0; i<strlen(psk_key); i++)
1242                                 {
1243                                 if (isxdigit((unsigned char)psk_key[i]))
1244                                         continue;
1245                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1246                                 goto bad;
1247                                 }
1248                         }
1249 #endif
1250 #ifndef OPENSSL_NO_SRP
1251                 else if (strcmp(*argv, "-srpvfile") == 0)
1252                         {
1253                         if (--argc < 1) goto bad;
1254                         srp_verifier_file = *(++argv);
1255                         meth = TLSv1_server_method();
1256                         }
1257                 else if (strcmp(*argv, "-srpuserseed") == 0)
1258                         {
1259                         if (--argc < 1) goto bad;
1260                         srpuserseed = *(++argv);
1261                         meth = TLSv1_server_method();
1262                         }
1263 #endif
1264                 else if (strcmp(*argv,"-www") == 0)
1265                         { www=1; }
1266                 else if (strcmp(*argv,"-WWW") == 0)
1267                         { www=2; }
1268                 else if (strcmp(*argv,"-HTTP") == 0)
1269                         { www=3; }
1270                 else if (strcmp(*argv,"-no_ssl2") == 0)
1271                         { off|=SSL_OP_NO_SSLv2; }
1272                 else if (strcmp(*argv,"-no_ssl3") == 0)
1273                         { off|=SSL_OP_NO_SSLv3; }
1274                 else if (strcmp(*argv,"-no_tls1") == 0)
1275                         { off|=SSL_OP_NO_TLSv1; }
1276                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1277                         { off|=SSL_OP_NO_TLSv1_1; }
1278                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1279                         { off|=SSL_OP_NO_TLSv1_2; }
1280                 else if (strcmp(*argv,"-no_comp") == 0)
1281                         { off|=SSL_OP_NO_COMPRESSION; }
1282 #ifndef OPENSSL_NO_TLSEXT
1283                 else if (strcmp(*argv,"-no_ticket") == 0)
1284                         { off|=SSL_OP_NO_TICKET; }
1285 #endif
1286 #ifndef OPENSSL_NO_SSL2
1287                 else if (strcmp(*argv,"-ssl2") == 0)
1288                         { meth=SSLv2_server_method(); }
1289 #endif
1290 #ifndef OPENSSL_NO_SSL3
1291                 else if (strcmp(*argv,"-ssl3") == 0)
1292                         { meth=SSLv3_server_method(); }
1293 #endif
1294 #ifndef OPENSSL_NO_TLS1
1295                 else if (strcmp(*argv,"-tls1") == 0)
1296                         { meth=TLSv1_server_method(); }
1297                 else if (strcmp(*argv,"-tls1_1") == 0)
1298                         { meth=TLSv1_1_server_method(); }
1299                 else if (strcmp(*argv,"-tls1_2") == 0)
1300                         { meth=TLSv1_2_server_method(); }
1301 #endif
1302 #ifndef OPENSSL_NO_DTLS1
1303                 else if (strcmp(*argv,"-dtls1") == 0)
1304                         {
1305                         meth=DTLSv1_server_method();
1306                         socket_type = SOCK_DGRAM;
1307                         }
1308                 else if (strcmp(*argv,"-timeout") == 0)
1309                         enable_timeouts = 1;
1310                 else if (strcmp(*argv,"-mtu") == 0)
1311                         {
1312                         if (--argc < 1) goto bad;
1313                         socket_mtu = atol(*(++argv));
1314                         }
1315                 else if (strcmp(*argv, "-chain") == 0)
1316                         cert_chain = 1;
1317 #endif
1318                 else if (strcmp(*argv, "-id_prefix") == 0)
1319                         {
1320                         if (--argc < 1) goto bad;
1321                         session_id_prefix = *(++argv);
1322                         }
1323 #ifndef OPENSSL_NO_ENGINE
1324                 else if (strcmp(*argv,"-engine") == 0)
1325                         {
1326                         if (--argc < 1) goto bad;
1327                         engine_id= *(++argv);
1328                         }
1329 #endif
1330                 else if (strcmp(*argv,"-rand") == 0)
1331                         {
1332                         if (--argc < 1) goto bad;
1333                         inrand= *(++argv);
1334                         }
1335 #ifndef OPENSSL_NO_TLSEXT
1336                 else if (strcmp(*argv,"-servername") == 0)
1337                         {
1338                         if (--argc < 1) goto bad;
1339                         tlsextcbp.servername= *(++argv);
1340                         }
1341                 else if (strcmp(*argv,"-servername_fatal") == 0)
1342                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1343                 else if (strcmp(*argv,"-cert2") == 0)
1344                         {
1345                         if (--argc < 1) goto bad;
1346                         s_cert_file2= *(++argv);
1347                         }
1348                 else if (strcmp(*argv,"-key2") == 0)
1349                         {
1350                         if (--argc < 1) goto bad;
1351                         s_key_file2= *(++argv);
1352                         }
1353 # ifndef OPENSSL_NO_NEXTPROTONEG
1354                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1355                         {
1356                         if (--argc < 1) goto bad;
1357                         next_proto_neg_in = *(++argv);
1358                         }
1359 # endif
1360 #endif
1361 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1362                 else if (strcmp(*argv,"-jpake") == 0)
1363                         {
1364                         if (--argc < 1) goto bad;
1365                         jpake_secret = *(++argv);
1366                         }
1367 #endif
1368                 else if (strcmp(*argv,"-use_srtp") == 0)
1369                         {
1370                         if (--argc < 1) goto bad;
1371                         srtp_profiles = *(++argv);
1372                         }
1373                 else if (strcmp(*argv,"-keymatexport") == 0)
1374                         {
1375                         if (--argc < 1) goto bad;
1376                         keymatexportlabel= *(++argv);
1377                         }
1378                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1379                         {
1380                         if (--argc < 1) goto bad;
1381                         keymatexportlen=atoi(*(++argv));
1382                         if (keymatexportlen == 0) goto bad;
1383                         }
1384                 else if (strcmp(*argv, "-cert_strict") == 0)
1385                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1386                 else
1387                         {
1388                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1389                         badop=1;
1390                         break;
1391                         }
1392                 argc--;
1393                 argv++;
1394                 }
1395         if (badop)
1396                 {
1397 bad:
1398                 sv_usage();
1399                 goto end;
1400                 }
1401
1402 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1403         if (jpake_secret)
1404                 {
1405                 if (psk_key)
1406                         {
1407                         BIO_printf(bio_err,
1408                                    "Can't use JPAKE and PSK together\n");
1409                         goto end;
1410                         }
1411                 psk_identity = "JPAKE";
1412                 if (cipher)
1413                         {
1414                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1415                         goto end;
1416                         }
1417                 cipher = "PSK";
1418                 }
1419
1420 #endif
1421
1422         SSL_load_error_strings();
1423         OpenSSL_add_ssl_algorithms();
1424
1425 #ifndef OPENSSL_NO_ENGINE
1426         e = setup_engine(bio_err, engine_id, 1);
1427 #endif
1428
1429         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1430                 {
1431                 BIO_printf(bio_err, "Error getting password\n");
1432                 goto end;
1433                 }
1434
1435
1436         if (s_key_file == NULL)
1437                 s_key_file = s_cert_file;
1438 #ifndef OPENSSL_NO_TLSEXT
1439         if (s_key_file2 == NULL)
1440                 s_key_file2 = s_cert_file2;
1441 #endif
1442
1443         if (!load_excert(&exc, bio_err))
1444                 goto end;
1445
1446         if (nocert == 0)
1447                 {
1448                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1449                        "server certificate private key file");
1450                 if (!s_key)
1451                         {
1452                         ERR_print_errors(bio_err);
1453                         goto end;
1454                         }
1455
1456                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1457                         NULL, e, "server certificate file");
1458
1459                 if (!s_cert)
1460                         {
1461                         ERR_print_errors(bio_err);
1462                         goto end;
1463                         }
1464                 if (s_chain_file)
1465                         {
1466                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1467                                         NULL, e, "server certificate chain");
1468                         if (!s_chain)
1469                                 goto end;
1470                         }
1471
1472 #ifndef OPENSSL_NO_TLSEXT
1473                 if (tlsextcbp.servername)
1474                         {
1475                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1476                                 "second server certificate private key file");
1477                         if (!s_key2)
1478                                 {
1479                                 ERR_print_errors(bio_err);
1480                                 goto end;
1481                                 }
1482
1483                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1484                                 NULL, e, "second server certificate file");
1485
1486                         if (!s_cert2)
1487                                 {
1488                                 ERR_print_errors(bio_err);
1489                                 goto end;
1490                                 }
1491                         }
1492 #endif /* OPENSSL_NO_TLSEXT */
1493                 }
1494
1495 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1496         if (next_proto_neg_in)
1497                 {
1498                 unsigned short len;
1499                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1500                 if (next_proto.data == NULL)
1501                         goto end;
1502                 next_proto.len = len;
1503                 }
1504         else
1505                 {
1506                 next_proto.data = NULL;
1507                 }
1508 #endif
1509
1510
1511         if (s_dcert_file)
1512                 {
1513
1514                 if (s_dkey_file == NULL)
1515                         s_dkey_file = s_dcert_file;
1516
1517                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1518                                 0, dpass, e,
1519                                "second certificate private key file");
1520                 if (!s_dkey)
1521                         {
1522                         ERR_print_errors(bio_err);
1523                         goto end;
1524                         }
1525
1526                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1527                                 NULL, e, "second server certificate file");
1528
1529                 if (!s_dcert)
1530                         {
1531                         ERR_print_errors(bio_err);
1532                         goto end;
1533                         }
1534                 if (s_dchain_file)
1535                         {
1536                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1537                                 NULL, e, "second server certificate chain");
1538                         if (!s_dchain)
1539                                 goto end;
1540                         }
1541
1542                 }
1543
1544         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1545                 && !RAND_status())
1546                 {
1547                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1548                 }
1549         if (inrand != NULL)
1550                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1551                         app_RAND_load_files(inrand));
1552
1553         if (bio_s_out == NULL)
1554                 {
1555                 if (s_quiet && !s_debug && !s_msg)
1556                         {
1557                         bio_s_out=BIO_new(BIO_s_null());
1558                         }
1559                 else
1560                         {
1561                         if (bio_s_out == NULL)
1562                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1563                         }
1564                 }
1565
1566 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1567         if (nocert)
1568 #endif
1569                 {
1570                 s_cert_file=NULL;
1571                 s_key_file=NULL;
1572                 s_dcert_file=NULL;
1573                 s_dkey_file=NULL;
1574 #ifndef OPENSSL_NO_TLSEXT
1575                 s_cert_file2=NULL;
1576                 s_key_file2=NULL;
1577 #endif
1578                 }
1579
1580         ctx=SSL_CTX_new(meth);
1581         if (ctx == NULL)
1582                 {
1583                 ERR_print_errors(bio_err);
1584                 goto end;
1585                 }
1586         if (session_id_prefix)
1587                 {
1588                 if(strlen(session_id_prefix) >= 32)
1589                         BIO_printf(bio_err,
1590 "warning: id_prefix is too long, only one new session will be possible\n");
1591                 else if(strlen(session_id_prefix) >= 16)
1592                         BIO_printf(bio_err,
1593 "warning: id_prefix is too long if you use SSLv2\n");
1594                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1595                         {
1596                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1597                         ERR_print_errors(bio_err);
1598                         goto end;
1599                         }
1600                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1601                 }
1602         SSL_CTX_set_quiet_shutdown(ctx,1);
1603         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1604         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1605         SSL_CTX_set_options(ctx,off);
1606         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1607         if (exc) ssl_ctx_set_excert(ctx, exc);
1608         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1609          * Setting read ahead solves this problem.
1610          */
1611         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1612
1613         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1614         if (no_cache)
1615                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1616         else
1617                 SSL_CTX_sess_set_cache_size(ctx,128);
1618
1619         if (srtp_profiles != NULL)
1620                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1621
1622 #if 0
1623         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1624 #endif
1625
1626 #if 0
1627         if (s_cert_file == NULL)
1628                 {
1629                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1630                 goto end;
1631                 }
1632 #endif
1633
1634         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1635                 (!SSL_CTX_set_default_verify_paths(ctx)))
1636                 {
1637                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1638                 ERR_print_errors(bio_err);
1639                 /* goto end; */
1640                 }
1641         if (vpm)
1642                 SSL_CTX_set1_param(ctx, vpm);
1643
1644 #ifndef OPENSSL_NO_TLSEXT
1645         if (s_cert2)
1646                 {
1647                 ctx2=SSL_CTX_new(meth);
1648                 if (ctx2 == NULL)
1649                         {
1650                         ERR_print_errors(bio_err);
1651                         goto end;
1652                         }
1653                 }
1654
1655         if (ctx2)
1656                 {
1657                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1658
1659                 if (session_id_prefix)
1660                         {
1661                         if(strlen(session_id_prefix) >= 32)
1662                                 BIO_printf(bio_err,
1663                                         "warning: id_prefix is too long, only one new session will be possible\n");
1664                         else if(strlen(session_id_prefix) >= 16)
1665                                 BIO_printf(bio_err,
1666                                         "warning: id_prefix is too long if you use SSLv2\n");
1667                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1668                                 {
1669                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1670                                 ERR_print_errors(bio_err);
1671                                 goto end;
1672                                 }
1673                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1674                         }
1675                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1676                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1677                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1678                 SSL_CTX_set_options(ctx2,off);
1679                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1680                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1681                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1682                  * Setting read ahead solves this problem.
1683                  */
1684                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1685
1686                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1687
1688                 if (no_cache)
1689                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1690                 else
1691                         SSL_CTX_sess_set_cache_size(ctx2,128);
1692
1693                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1694                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1695                         {
1696                         ERR_print_errors(bio_err);
1697                         }
1698                 if (vpm)
1699                         SSL_CTX_set1_param(ctx2, vpm);
1700                 }
1701
1702 # ifndef OPENSSL_NO_NEXTPROTONEG
1703         if (next_proto.data)
1704                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1705 # endif
1706 #endif
1707
1708 #ifndef OPENSSL_NO_DH
1709         if (!no_dhe)
1710                 {
1711                 DH *dh=NULL;
1712
1713                 if (dhfile)
1714                         dh = load_dh_param(dhfile);
1715                 else if (s_cert_file)
1716                         dh = load_dh_param(s_cert_file);
1717
1718                 if (dh != NULL)
1719                         {
1720                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1721                         }
1722                 else
1723                         {
1724                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1725                         dh=get_dh512();
1726                         }
1727                 (void)BIO_flush(bio_s_out);
1728
1729                 SSL_CTX_set_tmp_dh(ctx,dh);
1730 #ifndef OPENSSL_NO_TLSEXT
1731                 if (ctx2)
1732                         {
1733                         if (!dhfile)
1734                                 {
1735                                 DH *dh2=load_dh_param(s_cert_file2);
1736                                 if (dh2 != NULL)
1737                                         {
1738                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1739                                         (void)BIO_flush(bio_s_out);
1740
1741                                         DH_free(dh);
1742                                         dh = dh2;
1743                                         }
1744                                 }
1745                         SSL_CTX_set_tmp_dh(ctx2,dh);
1746                         }
1747 #endif
1748                 DH_free(dh);
1749                 }
1750 #endif
1751
1752 #ifndef OPENSSL_NO_ECDH
1753         if (!no_ecdhe)
1754                 {
1755                 EC_KEY *ecdh=NULL;
1756
1757                 if (named_curve && strcmp(named_curve, "auto"))
1758                         {
1759                         int nid = EC_curve_nist2nid(named_curve);
1760                         if (nid == NID_undef)
1761                                 nid = OBJ_sn2nid(named_curve);
1762                         if (nid == 0)
1763                                 {
1764                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1765                                         named_curve);
1766                                 goto end;
1767                                 }
1768                         ecdh = EC_KEY_new_by_curve_name(nid);
1769                         if (ecdh == NULL)
1770                                 {
1771                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1772                                         named_curve);
1773                                 goto end;
1774                                 }
1775                         }
1776
1777                 if (ecdh != NULL)
1778                         {
1779                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1780                         }
1781                 else if (named_curve)
1782                         SSL_CTX_set_ecdh_auto(ctx, 1);
1783                 else
1784                         {
1785                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1786                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1787                         if (ecdh == NULL)
1788                                 {
1789                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1790                                 goto end;
1791                                 }
1792                         }
1793                 (void)BIO_flush(bio_s_out);
1794
1795                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1796 #ifndef OPENSSL_NO_TLSEXT
1797                 if (ctx2)
1798                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1799 #endif
1800                 EC_KEY_free(ecdh);
1801                 }
1802 #endif
1803
1804         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1805                 goto end;
1806 #ifndef OPENSSL_NO_TLSEXT
1807         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1808                 goto end;
1809 #endif
1810 #ifndef OPENSSL_NO_TLSEXT
1811         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1812                 goto end;
1813 #endif
1814         if (s_dcert != NULL)
1815                 {
1816                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1817                         goto end;
1818                 }
1819
1820 #ifndef OPENSSL_NO_RSA
1821 #if 1
1822         if (!no_tmp_rsa)
1823                 {
1824                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1825 #ifndef OPENSSL_NO_TLSEXT
1826                 if (ctx2)
1827                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1828 #endif
1829                 }
1830 #else
1831         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1832                 {
1833                 RSA *rsa;
1834
1835                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1836                 BIO_flush(bio_s_out);
1837
1838                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1839
1840                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1841                         {
1842                         ERR_print_errors(bio_err);
1843                         goto end;
1844                         }
1845 #ifndef OPENSSL_NO_TLSEXT
1846                         if (ctx2)
1847                                 {
1848                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1849                                         {
1850                                         ERR_print_errors(bio_err);
1851                                         goto end;
1852                                         }
1853                                 }
1854 #endif
1855                 RSA_free(rsa);
1856                 BIO_printf(bio_s_out,"\n");
1857                 }
1858 #endif
1859 #endif
1860
1861 #ifndef OPENSSL_NO_PSK
1862 #ifdef OPENSSL_NO_JPAKE
1863         if (psk_key != NULL)
1864 #else
1865         if (psk_key != NULL || jpake_secret)
1866 #endif
1867                 {
1868                 if (s_debug)
1869                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1870                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1871                 }
1872
1873         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1874                 {
1875                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1876                 ERR_print_errors(bio_err);
1877                 goto end;
1878                 }
1879 #endif
1880
1881         if (cipher != NULL)
1882                 {
1883                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1884                         {
1885                         BIO_printf(bio_err,"error setting cipher list\n");
1886                         ERR_print_errors(bio_err);
1887                         goto end;
1888                         }
1889 #ifndef OPENSSL_NO_TLSEXT
1890                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1891                         {
1892                         BIO_printf(bio_err,"error setting cipher list\n");
1893                         ERR_print_errors(bio_err);
1894                         goto end;
1895                         }
1896 #endif
1897                 }
1898 #ifndef OPENSSL_NO_TLSEXT
1899         if (curves)
1900                 {
1901                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1902                         {
1903                         BIO_printf(bio_err,"error setting curves list\n");
1904                         ERR_print_errors(bio_err);
1905                         goto end;
1906                         }
1907                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1908                         {
1909                         BIO_printf(bio_err,"error setting curves list\n");
1910                         ERR_print_errors(bio_err);
1911                         goto end;
1912                         }
1913                 }
1914         if (sigalgs)
1915                 {
1916                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1917                         {
1918                         BIO_printf(bio_err,"error setting signature algorithms\n");
1919                         ERR_print_errors(bio_err);
1920                         goto end;
1921                         }
1922                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1923                         {
1924                         BIO_printf(bio_err,"error setting signature algorithms\n");
1925                         ERR_print_errors(bio_err);
1926                         goto end;
1927                         }
1928                 }
1929 #endif
1930         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1931         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1932                 sizeof s_server_session_id_context);
1933
1934         /* Set DTLS cookie generation and verification callbacks */
1935         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1936         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1937
1938 #ifndef OPENSSL_NO_TLSEXT
1939         if (ctx2)
1940                 {
1941                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1942                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1943                         sizeof s_server_session_id_context);
1944
1945                 tlsextcbp.biodebug = bio_s_out;
1946                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1947                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1948                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1949                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1950                 }
1951 #endif
1952
1953 #ifndef OPENSSL_NO_SRP
1954         if (srp_verifier_file != NULL)
1955                 {
1956                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1957                 srp_callback_parm.user = NULL;
1958                 srp_callback_parm.login = NULL;
1959                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1960                         {
1961                         BIO_printf(bio_err,
1962                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1963                                    srp_verifier_file, ret);
1964                                 goto end;
1965                         }
1966                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1967                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1968                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1969                 }
1970         else
1971 #endif
1972         if (CAfile != NULL)
1973                 {
1974                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1975 #ifndef OPENSSL_NO_TLSEXT
1976                 if (ctx2)
1977                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1978 #endif
1979                 }
1980
1981         BIO_printf(bio_s_out,"ACCEPT\n");
1982         (void)BIO_flush(bio_s_out);
1983         if (www)
1984                 do_server(port,socket_type,&accept_socket,www_body, context);
1985         else
1986                 do_server(port,socket_type,&accept_socket,sv_body, context);
1987         print_stats(bio_s_out,ctx);
1988         ret=0;
1989 end:
1990         if (ctx != NULL) SSL_CTX_free(ctx);
1991         if (s_cert)
1992                 X509_free(s_cert);
1993         if (s_dcert)
1994                 X509_free(s_dcert);
1995         if (s_key)
1996                 EVP_PKEY_free(s_key);
1997         if (s_dkey)
1998                 EVP_PKEY_free(s_dkey);
1999         if (s_chain)
2000                 sk_X509_pop_free(s_chain, X509_free);
2001         if (s_dchain)
2002                 sk_X509_pop_free(s_dchain, X509_free);
2003         if (pass)
2004                 OPENSSL_free(pass);
2005         if (dpass)
2006                 OPENSSL_free(dpass);
2007         if (vpm)
2008                 X509_VERIFY_PARAM_free(vpm);
2009 #ifndef OPENSSL_NO_TLSEXT
2010         if (tlscstatp.host)
2011                 OPENSSL_free(tlscstatp.host);
2012         if (tlscstatp.port)
2013                 OPENSSL_free(tlscstatp.port);
2014         if (tlscstatp.path)
2015                 OPENSSL_free(tlscstatp.path);
2016         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2017         if (s_cert2)
2018                 X509_free(s_cert2);
2019         if (s_key2)
2020                 EVP_PKEY_free(s_key2);
2021         if (authz_in != NULL)
2022                 BIO_free(authz_in);
2023 #endif
2024         ssl_excert_free(exc);
2025         if (bio_s_out != NULL)
2026                 {
2027         BIO_free(bio_s_out);
2028                 bio_s_out=NULL;
2029                 }
2030         apps_shutdown();
2031         OPENSSL_EXIT(ret);
2032         }
2033
2034 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2035         {
2036         BIO_printf(bio,"%4ld items in the session cache\n",
2037                 SSL_CTX_sess_number(ssl_ctx));
2038         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2039                 SSL_CTX_sess_connect(ssl_ctx));
2040         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2041                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2042         BIO_printf(bio,"%4ld client connects that finished\n",
2043                 SSL_CTX_sess_connect_good(ssl_ctx));
2044         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2045                 SSL_CTX_sess_accept(ssl_ctx));
2046         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2047                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2048         BIO_printf(bio,"%4ld server accepts that finished\n",
2049                 SSL_CTX_sess_accept_good(ssl_ctx));
2050         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2051         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2052         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2053         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2054         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2055                 SSL_CTX_sess_cache_full(ssl_ctx),
2056                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2057         }
2058
2059 static int sv_body(char *hostname, int s, unsigned char *context)
2060         {
2061         char *buf=NULL;
2062         fd_set readfds;
2063         int ret=1,width;
2064         int k,i;
2065         unsigned long l;
2066         SSL *con=NULL;
2067         BIO *sbio;
2068 #ifndef OPENSSL_NO_KRB5
2069         KSSL_CTX *kctx;
2070 #endif
2071         struct timeval timeout;
2072 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2073         struct timeval tv;
2074 #else
2075         struct timeval *timeoutp;
2076 #endif
2077
2078         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2079                 {
2080                 BIO_printf(bio_err,"out of memory\n");
2081                 goto err;
2082                 }
2083 #ifdef FIONBIO
2084         if (s_nbio)
2085                 {
2086                 unsigned long sl=1;
2087
2088                 if (!s_quiet)
2089                         BIO_printf(bio_err,"turning on non blocking io\n");
2090                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2091                         ERR_print_errors(bio_err);
2092                 }
2093 #endif
2094
2095         if (con == NULL) {
2096                 con=SSL_new(ctx);
2097 #ifndef OPENSSL_NO_TLSEXT
2098         if (s_tlsextdebug)
2099                 {
2100                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2101                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2102                 }
2103         if (s_tlsextstatus)
2104                 {
2105                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2106                 tlscstatp.err = bio_err;
2107                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2108                 }
2109 #endif
2110 #ifndef OPENSSL_NO_KRB5
2111                 if ((kctx = kssl_ctx_new()) != NULL)
2112                         {
2113                         SSL_set0_kssl_ctx(con, kctx);
2114                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2115                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2116                         }
2117 #endif  /* OPENSSL_NO_KRB5 */
2118                 if(context)
2119                       SSL_set_session_id_context(con, context,
2120                                                  strlen((char *)context));
2121         }
2122         SSL_clear(con);
2123 #if 0
2124 #ifdef TLSEXT_TYPE_opaque_prf_input
2125         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2126 #endif
2127 #endif
2128
2129         if (SSL_version(con) == DTLS1_VERSION)
2130                 {
2131
2132                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2133
2134                 if (enable_timeouts)
2135                         {
2136                         timeout.tv_sec = 0;
2137                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2138                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2139
2140                         timeout.tv_sec = 0;
2141                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2142                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2143                         }
2144
2145                 if (socket_mtu > 28)
2146                         {
2147                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2148                         SSL_set_mtu(con, socket_mtu - 28);
2149                         }
2150                 else
2151                         /* want to do MTU discovery */
2152                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2153
2154         /* turn on cookie exchange */
2155         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2156                 }
2157         else
2158                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2159
2160         if (s_nbio_test)
2161                 {
2162                 BIO *test;
2163
2164                 test=BIO_new(BIO_f_nbio_test());
2165                 sbio=BIO_push(test,sbio);
2166                 }
2167 #ifndef OPENSSL_NO_JPAKE
2168         if(jpake_secret)
2169                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2170 #endif
2171
2172         SSL_set_bio(con,sbio,sbio);
2173         SSL_set_accept_state(con);
2174         /* SSL_set_fd(con,s); */
2175
2176         if (s_debug)
2177                 {
2178                 SSL_set_debug(con, 1);
2179                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2180                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2181                 }
2182         if (s_msg)
2183                 {
2184                 SSL_set_msg_callback(con, msg_cb);
2185                 SSL_set_msg_callback_arg(con, bio_s_out);
2186                 }
2187 #ifndef OPENSSL_NO_TLSEXT
2188         if (s_tlsextdebug)
2189                 {
2190                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2191                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2192                 }
2193 #endif
2194
2195         width=s+1;
2196         for (;;)
2197                 {
2198                 int read_from_terminal;
2199                 int read_from_sslcon;
2200
2201                 read_from_terminal = 0;
2202                 read_from_sslcon = SSL_pending(con);
2203
2204                 if (!read_from_sslcon)
2205                         {
2206                         FD_ZERO(&readfds);
2207 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2208                         openssl_fdset(fileno(stdin),&readfds);
2209 #endif
2210                         openssl_fdset(s,&readfds);
2211                         /* Note: under VMS with SOCKETSHR the second parameter is
2212                          * currently of type (int *) whereas under other systems
2213                          * it is (void *) if you don't have a cast it will choke
2214                          * the compiler: if you do have a cast then you can either
2215                          * go for (int *) or (void *).
2216                          */
2217 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2218                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2219                          * on sockets. As a workaround we timeout the select every
2220                          * second and check for any keypress. In a proper Windows
2221                          * application we wouldn't do this because it is inefficient.
2222                          */
2223                         tv.tv_sec = 1;
2224                         tv.tv_usec = 0;
2225                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2226                         if((i < 0) || (!i && !_kbhit() ) )continue;
2227                         if(_kbhit())
2228                                 read_from_terminal = 1;
2229 #elif defined(OPENSSL_SYS_BEOS_R5)
2230                         /* Under BeOS-R5 the situation is similar to DOS */
2231                         tv.tv_sec = 1;
2232                         tv.tv_usec = 0;
2233                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2234                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2235                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2236                                 continue;
2237                         if (read(fileno(stdin), buf, 0) >= 0)
2238                                 read_from_terminal = 1;
2239                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2240 #else
2241                         if ((SSL_version(con) == DTLS1_VERSION) &&
2242                                 DTLSv1_get_timeout(con, &timeout))
2243                                 timeoutp = &timeout;
2244                         else
2245                                 timeoutp = NULL;
2246
2247                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2248
2249                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2250                                 {
2251                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2252                                 }
2253
2254                         if (i <= 0) continue;
2255                         if (FD_ISSET(fileno(stdin),&readfds))
2256                                 read_from_terminal = 1;
2257 #endif
2258                         if (FD_ISSET(s,&readfds))
2259                                 read_from_sslcon = 1;
2260                         }
2261                 if (read_from_terminal)
2262                         {
2263                         if (s_crlf)
2264                                 {
2265                                 int j, lf_num;
2266
2267                                 i=raw_read_stdin(buf, bufsize/2);
2268                                 lf_num = 0;
2269                                 /* both loops are skipped when i <= 0 */
2270                                 for (j = 0; j < i; j++)
2271                                         if (buf[j] == '\n')
2272                                                 lf_num++;
2273                                 for (j = i-1; j >= 0; j--)
2274                                         {
2275                                         buf[j+lf_num] = buf[j];
2276                                         if (buf[j] == '\n')
2277                                                 {
2278                                                 lf_num--;
2279                                                 i++;
2280                                                 buf[j+lf_num] = '\r';
2281                                                 }
2282                                         }
2283                                 assert(lf_num == 0);
2284                                 }
2285                         else
2286                                 i=raw_read_stdin(buf,bufsize);
2287                         if (!s_quiet)
2288                                 {
2289                                 if ((i <= 0) || (buf[0] == 'Q'))
2290                                         {
2291                                         BIO_printf(bio_s_out,"DONE\n");
2292                                         SHUTDOWN(s);
2293                                         close_accept_socket();
2294                                         ret= -11;
2295                                         goto err;
2296                                         }
2297                                 if ((i <= 0) || (buf[0] == 'q'))
2298                                         {
2299                                         BIO_printf(bio_s_out,"DONE\n");
2300                                         if (SSL_version(con) != DTLS1_VERSION)
2301                         SHUTDOWN(s);
2302         /*                              close_accept_socket();
2303                                         ret= -11;*/
2304                                         goto err;
2305                                         }
2306
2307 #ifndef OPENSSL_NO_HEARTBEATS
2308                                 if ((buf[0] == 'B') &&
2309                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2310                                         {
2311                                         BIO_printf(bio_err,"HEARTBEATING\n");
2312                                         SSL_heartbeat(con);
2313                                         i=0;
2314                                         continue;
2315                                         }
2316 #endif
2317                                 if ((buf[0] == 'r') &&
2318                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2319                                         {
2320                                         SSL_renegotiate(con);
2321                                         i=SSL_do_handshake(con);
2322                                         printf("SSL_do_handshake -> %d\n",i);
2323                                         i=0; /*13; */
2324                                         continue;
2325                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2326                                         }
2327                                 if ((buf[0] == 'R') &&
2328                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2329                                         {
2330                                         SSL_set_verify(con,
2331                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2332                                         SSL_renegotiate(con);
2333                                         i=SSL_do_handshake(con);
2334                                         printf("SSL_do_handshake -> %d\n",i);
2335                                         i=0; /* 13; */
2336                                         continue;
2337                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2338                                         }
2339                                 if (buf[0] == 'P')
2340                                         {
2341                                         static const char *str="Lets print some clear text\n";
2342                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2343                                         }
2344                                 if (buf[0] == 'S')
2345                                         {
2346                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2347                                         }
2348                                 }
2349 #ifdef CHARSET_EBCDIC
2350                         ebcdic2ascii(buf,buf,i);
2351 #endif
2352                         l=k=0;
2353                         for (;;)
2354                                 {
2355                                 /* should do a select for the write */
2356 #ifdef RENEG
2357 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2358 #endif
2359                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2360 #ifndef OPENSSL_NO_SRP
2361                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2362                                         {
2363                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2364                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2365                                         if (srp_callback_parm.user)
2366                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2367                                         else
2368                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2369                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2370                                         }
2371 #endif
2372                                 switch (SSL_get_error(con,k))
2373                                         {
2374                                 case SSL_ERROR_NONE:
2375                                         break;
2376                                 case SSL_ERROR_WANT_WRITE:
2377                                 case SSL_ERROR_WANT_READ:
2378                                 case SSL_ERROR_WANT_X509_LOOKUP:
2379                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2380                                         break;
2381                                 case SSL_ERROR_SYSCALL:
2382                                 case SSL_ERROR_SSL:
2383                                         BIO_printf(bio_s_out,"ERROR\n");
2384                                         ERR_print_errors(bio_err);
2385                                         ret=1;
2386                                         goto err;
2387                                         /* break; */
2388                                 case SSL_ERROR_ZERO_RETURN:
2389                                         BIO_printf(bio_s_out,"DONE\n");
2390                                         ret=1;
2391                                         goto err;
2392                                         }
2393                                 l+=k;
2394                                 i-=k;
2395                                 if (i <= 0) break;
2396                                 }
2397                         }
2398                 if (read_from_sslcon)
2399                         {
2400                         if (!SSL_is_init_finished(con))
2401                                 {
2402                                 i=init_ssl_connection(con);
2403
2404                                 if (i < 0)
2405                                         {
2406                                         ret=0;
2407                                         goto err;
2408                                         }
2409                                 else if (i == 0)
2410                                         {
2411                                         ret=1;
2412                                         goto err;
2413                                         }
2414                                 }
2415                         else
2416                                 {
2417 again:
2418                                 i=SSL_read(con,(char *)buf,bufsize);
2419 #ifndef OPENSSL_NO_SRP
2420                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2421                                         {
2422                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2423                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2424                                         if (srp_callback_parm.user)
2425                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2426                                         else
2427                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2428                                         i=SSL_read(con,(char *)buf,bufsize);
2429                                         }
2430 #endif
2431                                 switch (SSL_get_error(con,i))
2432                                         {
2433                                 case SSL_ERROR_NONE:
2434 #ifdef CHARSET_EBCDIC
2435                                         ascii2ebcdic(buf,buf,i);
2436 #endif
2437                                         raw_write_stdout(buf,
2438                                                 (unsigned int)i);
2439                                         if (SSL_pending(con)) goto again;
2440                                         break;
2441                                 case SSL_ERROR_WANT_WRITE:
2442                                 case SSL_ERROR_WANT_READ:
2443                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2444                                         break;
2445                                 case SSL_ERROR_SYSCALL:
2446                                 case SSL_ERROR_SSL:
2447                                         BIO_printf(bio_s_out,"ERROR\n");
2448                                         ERR_print_errors(bio_err);
2449                                         ret=1;
2450                                         goto err;
2451                                 case SSL_ERROR_ZERO_RETURN:
2452                                         BIO_printf(bio_s_out,"DONE\n");
2453                                         ret=1;
2454                                         goto err;
2455                                         }
2456                                 }
2457                         }
2458                 }
2459 err:
2460         if (con != NULL)
2461                 {
2462                 BIO_printf(bio_s_out,"shutting down SSL\n");
2463 #if 1
2464                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2465 #else
2466                 SSL_shutdown(con);
2467 #endif
2468                 SSL_free(con);
2469                 }
2470         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2471         if (buf != NULL)
2472                 {
2473                 OPENSSL_cleanse(buf,bufsize);
2474                 OPENSSL_free(buf);
2475                 }
2476         if (ret >= 0)
2477                 BIO_printf(bio_s_out,"ACCEPT\n");
2478         return(ret);
2479         }
2480
2481 static void close_accept_socket(void)
2482         {
2483         BIO_printf(bio_err,"shutdown accept socket\n");
2484         if (accept_socket >= 0)
2485                 {
2486                 SHUTDOWN2(accept_socket);
2487                 }
2488         }
2489
2490 static int init_ssl_connection(SSL *con)
2491         {
2492         int i;
2493         const char *str;
2494         X509 *peer;
2495         long verify_error;
2496         MS_STATIC char buf[BUFSIZ];
2497 #ifndef OPENSSL_NO_KRB5
2498         char *client_princ;
2499 #endif
2500 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2501         const unsigned char *next_proto_neg;
2502         unsigned next_proto_neg_len;
2503 #endif
2504         unsigned char *exportedkeymat;
2505
2506
2507         i=SSL_accept(con);
2508 #ifndef OPENSSL_NO_SRP
2509         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2510                 {
2511                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2512                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2513                         if (srp_callback_parm.user)
2514                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2515                         else
2516                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2517                         i=SSL_accept(con);
2518                 }
2519 #endif
2520         if (i <= 0)
2521                 {
2522                 if (BIO_sock_should_retry(i))
2523                         {
2524                         BIO_printf(bio_s_out,"DELAY\n");
2525                         return(1);
2526                         }
2527
2528                 BIO_printf(bio_err,"ERROR\n");
2529                 verify_error=SSL_get_verify_result(con);
2530                 if (verify_error != X509_V_OK)
2531                         {
2532                         BIO_printf(bio_err,"verify error:%s\n",
2533                                 X509_verify_cert_error_string(verify_error));
2534                         }
2535                 else
2536                         ERR_print_errors(bio_err);
2537                 return(0);
2538                 }
2539
2540         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2541
2542         peer=SSL_get_peer_certificate(con);
2543         if (peer != NULL)
2544                 {
2545                 BIO_printf(bio_s_out,"Client certificate\n");
2546                 PEM_write_bio_X509(bio_s_out,peer);
2547                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2548                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2549                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2550                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2551                 X509_free(peer);
2552                 }
2553
2554         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2555                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2556         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2557         ssl_print_sigalgs(bio_s_out, con, 0);
2558         ssl_print_curves(bio_s_out, con);
2559         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2560
2561 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2562         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2563         if (next_proto_neg)
2564                 {
2565                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2566                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2567                 BIO_printf(bio_s_out, "\n");
2568                 }
2569 #endif
2570         {
2571         SRTP_PROTECTION_PROFILE *srtp_profile
2572           = SSL_get_selected_srtp_profile(con);
2573
2574         if(srtp_profile)
2575                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2576                            srtp_profile->name);
2577         }
2578         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2579         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2580                 TLS1_FLAGS_TLS_PADDING_BUG)
2581                 BIO_printf(bio_s_out,
2582                            "Peer has incorrect TLSv1 block padding\n");
2583 #ifndef OPENSSL_NO_KRB5
2584         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2585         if (client_princ != NULL)
2586                 {
2587                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2588                                                                 client_princ);
2589                 }
2590 #endif /* OPENSSL_NO_KRB5 */
2591         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2592                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2593         if (keymatexportlabel != NULL)
2594                 {
2595                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2596                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2597                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2598                            keymatexportlen);
2599                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2600                 if (exportedkeymat != NULL)
2601                         {
2602                         if (!SSL_export_keying_material(con, exportedkeymat,
2603                                                         keymatexportlen,
2604                                                         keymatexportlabel,
2605                                                         strlen(keymatexportlabel),
2606                                                         NULL, 0, 0))
2607                                 {
2608                                 BIO_printf(bio_s_out, "    Error\n");
2609                                 }
2610                         else
2611                                 {
2612                                 BIO_printf(bio_s_out, "    Keying material: ");
2613                                 for (i=0; i<keymatexportlen; i++)
2614                                         BIO_printf(bio_s_out, "%02X",
2615                                                    exportedkeymat[i]);
2616                                 BIO_printf(bio_s_out, "\n");
2617                                 }
2618                         OPENSSL_free(exportedkeymat);
2619                         }
2620                 }
2621
2622         return(1);
2623         }
2624
2625 #ifndef OPENSSL_NO_DH
2626 static DH *load_dh_param(const char *dhfile)
2627         {
2628         DH *ret=NULL;
2629         BIO *bio;
2630
2631         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2632                 goto err;
2633         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2634 err:
2635         if (bio != NULL) BIO_free(bio);
2636         return(ret);
2637         }
2638 #endif
2639 #ifndef OPENSSL_NO_KRB5
2640         char *client_princ;
2641 #endif
2642
2643 #if 0
2644 static int load_CA(SSL_CTX *ctx, char *file)
2645         {
2646         FILE *in;
2647         X509 *x=NULL;
2648
2649         if ((in=fopen(file,"r")) == NULL)
2650                 return(0);
2651
2652         for (;;)
2653                 {
2654                 if (PEM_read_X509(in,&x,NULL) == NULL)
2655                         break;
2656                 SSL_CTX_add_client_CA(ctx,x);
2657                 }
2658         if (x != NULL) X509_free(x);
2659         fclose(in);
2660         return(1);
2661         }
2662 #endif
2663
2664 static int www_body(char *hostname, int s, unsigned char *context)
2665         {
2666         char *buf=NULL;
2667         int ret=1;
2668         int i,j,k,dot;
2669         SSL *con;
2670         const SSL_CIPHER *c;
2671         BIO *io,*ssl_bio,*sbio;
2672 #ifndef OPENSSL_NO_KRB5
2673         KSSL_CTX *kctx;
2674 #endif
2675
2676         buf=OPENSSL_malloc(bufsize);
2677         if (buf == NULL) return(0);
2678         io=BIO_new(BIO_f_buffer());
2679         ssl_bio=BIO_new(BIO_f_ssl());
2680         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2681
2682 #ifdef FIONBIO
2683         if (s_nbio)
2684                 {
2685                 unsigned long sl=1;
2686
2687                 if (!s_quiet)
2688                         BIO_printf(bio_err,"turning on non blocking io\n");
2689                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2690                         ERR_print_errors(bio_err);
2691                 }
2692 #endif
2693
2694         /* lets make the output buffer a reasonable size */
2695         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2696
2697         if ((con=SSL_new(ctx)) == NULL) goto err;
2698 #ifndef OPENSSL_NO_TLSEXT
2699                 if (s_tlsextdebug)
2700                         {
2701                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2702                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2703                         }
2704 #endif
2705 #ifndef OPENSSL_NO_KRB5
2706         if ((kctx = kssl_ctx_new()) != NULL)
2707                 {
2708                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2709                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2710                 }
2711 #endif  /* OPENSSL_NO_KRB5 */
2712         if(context) SSL_set_session_id_context(con, context,
2713                                                strlen((char *)context));
2714
2715         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2716         if (s_nbio_test)
2717                 {
2718                 BIO *test;
2719
2720                 test=BIO_new(BIO_f_nbio_test());
2721                 sbio=BIO_push(test,sbio);
2722                 }
2723         SSL_set_bio(con,sbio,sbio);
2724         SSL_set_accept_state(con);
2725
2726         /* SSL_set_fd(con,s); */
2727         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2728         BIO_push(io,ssl_bio);
2729 #ifdef CHARSET_EBCDIC
2730         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2731 #endif
2732
2733         if (s_debug)
2734                 {
2735                 SSL_set_debug(con, 1);
2736                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2737                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2738                 }
2739         if (s_msg)
2740                 {
2741                 SSL_set_msg_callback(con, msg_cb);
2742                 SSL_set_msg_callback_arg(con, bio_s_out);
2743                 }
2744
2745         for (;;)
2746                 {
2747                 if (hack)
2748                         {
2749                         i=SSL_accept(con);
2750 #ifndef OPENSSL_NO_SRP
2751                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2752                 {
2753                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2754                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2755                         if (srp_callback_parm.user)
2756                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2757                         else
2758                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2759                         i=SSL_accept(con);
2760                 }
2761 #endif
2762                         switch (SSL_get_error(con,i))
2763                                 {
2764                         case SSL_ERROR_NONE:
2765                                 break;
2766                         case SSL_ERROR_WANT_WRITE:
2767                         case SSL_ERROR_WANT_READ:
2768                         case SSL_ERROR_WANT_X509_LOOKUP:
2769                                 continue;
2770                         case SSL_ERROR_SYSCALL:
2771                         case SSL_ERROR_SSL:
2772                         case SSL_ERROR_ZERO_RETURN:
2773                                 ret=1;
2774                                 goto err;
2775                                 /* break; */
2776                                 }
2777
2778                         SSL_renegotiate(con);
2779                         SSL_write(con,NULL,0);
2780                         }
2781
2782                 i=BIO_gets(io,buf,bufsize-1);
2783                 if (i < 0) /* error */
2784                         {
2785                         if (!BIO_should_retry(io))
2786                                 {
2787                                 if (!s_quiet)
2788                                         ERR_print_errors(bio_err);
2789                                 goto err;
2790                                 }
2791                         else
2792                                 {
2793                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2794 #if defined(OPENSSL_SYS_NETWARE)
2795             delay(1000);
2796 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2797                                 sleep(1);
2798 #endif
2799                                 continue;
2800                                 }
2801                         }
2802                 else if (i == 0) /* end of input */
2803                         {
2804                         ret=1;
2805                         goto end;
2806                         }
2807
2808                 /* else we have data */
2809                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2810                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2811                         {
2812                         char *p;
2813                         X509 *peer;
2814                         STACK_OF(SSL_CIPHER) *sk;
2815                         static const char *space="                          ";
2816
2817                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2818                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2819                         BIO_puts(io,"<pre>\n");
2820 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2821                         BIO_puts(io,"\n");
2822                         for (i=0; i<local_argc; i++)
2823                                 {
2824                                 BIO_puts(io,local_argv[i]);
2825                                 BIO_write(io," ",1);
2826                                 }
2827                         BIO_puts(io,"\n");
2828
2829                         BIO_printf(io,
2830                                 "Secure Renegotiation IS%s supported\n",
2831                                 SSL_get_secure_renegotiation_support(con) ?
2832                                                         "" : " NOT");
2833
2834                         /* The following is evil and should not really
2835                          * be done */
2836                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2837                         sk=SSL_get_ciphers(con);
2838                         j=sk_SSL_CIPHER_num(sk);
2839                         for (i=0; i<j; i++)
2840                                 {
2841                                 c=sk_SSL_CIPHER_value(sk,i);
2842                                 BIO_printf(io,"%-11s:%-25s",
2843                                         SSL_CIPHER_get_version(c),
2844                                         SSL_CIPHER_get_name(c));
2845                                 if ((((i+1)%2) == 0) && (i+1 != j))
2846                                         BIO_puts(io,"\n");
2847                                 }
2848                         BIO_puts(io,"\n");
2849                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2850                         if (p != NULL)
2851                                 {
2852                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2853                                 j=i=0;
2854                                 while (*p)
2855                                         {
2856                                         if (*p == ':')
2857                                                 {
2858                                                 BIO_write(io,space,26-j);
2859                                                 i++;
2860                                                 j=0;
2861                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2862                                                 }
2863                                         else
2864                                                 {
2865                                                 BIO_write(io,p,1);
2866                                                 j++;
2867                                                 }
2868                                         p++;
2869                                         }
2870                                 BIO_puts(io,"\n");
2871                                 }
2872                         ssl_print_sigalgs(io, con, 0);
2873                         ssl_print_curves(io, con);
2874                         BIO_printf(io,(SSL_cache_hit(con)
2875                                 ?"---\nReused, "
2876                                 :"---\nNew, "));
2877                         c=SSL_get_current_cipher(con);
2878                         BIO_printf(io,"%s, Cipher is %s\n",
2879                                 SSL_CIPHER_get_version(c),
2880                                 SSL_CIPHER_get_name(c));
2881                         SSL_SESSION_print(io,SSL_get_session(con));
2882                         BIO_printf(io,"---\n");
2883                         print_stats(io,SSL_get_SSL_CTX(con));
2884                         BIO_printf(io,"---\n");
2885                         peer=SSL_get_peer_certificate(con);
2886                         if (peer != NULL)
2887                                 {
2888                                 BIO_printf(io,"Client certificate\n");
2889                                 X509_print(io,peer);
2890                                 PEM_write_bio_X509(io,peer);
2891                                 }
2892                         else
2893                                 BIO_puts(io,"no client certificate available\n");
2894                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2895                         break;
2896                         }
2897                 else if ((www == 2 || www == 3)
2898                          && (strncmp("GET /",buf,5) == 0))
2899                         {
2900                         BIO *file;
2901                         char *p,*e;
2902                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2903
2904                         /* skip the '/' */
2905                         p= &(buf[5]);
2906
2907                         dot = 1;
2908                         for (e=p; *e != '\0'; e++)
2909                                 {
2910                                 if (e[0] == ' ')
2911                                         break;
2912
2913                                 switch (dot)
2914                                         {
2915                                 case 1:
2916                                         dot = (e[0] == '.') ? 2 : 0;
2917                                         break;
2918                                 case 2:
2919                                         dot = (e[0] == '.') ? 3 : 0;
2920                                         break;
2921                                 case 3:
2922                                         dot = (e[0] == '/') ? -1 : 0;
2923                                         break;
2924                                         }
2925                                 if (dot == 0)
2926                                         dot = (e[0] == '/') ? 1 : 0;
2927                                 }
2928                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2929
2930                         if (*e == '\0')
2931                                 {
2932                                 BIO_puts(io,text);
2933                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2934                                 break;
2935                                 }
2936                         *e='\0';
2937
2938                         if (dot)
2939                                 {
2940                                 BIO_puts(io,text);
2941                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2942                                 break;
2943                                 }
2944
2945                         if (*p == '/')
2946                                 {
2947                                 BIO_puts(io,text);
2948                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2949                                 break;
2950                                 }
2951
2952 #if 0
2953                         /* append if a directory lookup */
2954                         if (e[-1] == '/')
2955                                 strcat(p,"index.html");
2956 #endif
2957
2958                         /* if a directory, do the index thang */
2959                         if (app_isdir(p)>0)
2960                                 {
2961 #if 0 /* must check buffer size */
2962                                 strcat(p,"/index.html");
2963 #else
2964                                 BIO_puts(io,text);
2965                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2966                                 break;
2967 #endif
2968                                 }
2969
2970                         if ((file=BIO_new_file(p,"r")) == NULL)
2971                                 {
2972                                 BIO_puts(io,text);
2973                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2974                                 ERR_print_errors(io);
2975                                 break;
2976                                 }
2977
2978                         if (!s_quiet)
2979                                 BIO_printf(bio_err,"FILE:%s\n",p);
2980
2981                         if (www == 2)
2982                                 {
2983                                 i=strlen(p);
2984                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2985                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2986                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2987                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2988                                 else
2989                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2990                                 }
2991                         /* send the file */
2992                         for (;;)
2993                                 {
2994                                 i=BIO_read(file,buf,bufsize);
2995                                 if (i <= 0) break;
2996
2997 #ifdef RENEG
2998                                 total_bytes+=i;
2999                                 fprintf(stderr,"%d\n",i);
3000                                 if (total_bytes > 3*1024)
3001                                         {
3002                                         total_bytes=0;
3003                                         fprintf(stderr,"RENEGOTIATE\n");
3004                                         SSL_renegotiate(con);
3005                                         }
3006 #endif
3007
3008                                 for (j=0; j<i; )
3009                                         {
3010 #ifdef RENEG
3011 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3012 #endif
3013                                         k=BIO_write(io,&(buf[j]),i-j);
3014                                         if (k <= 0)
3015                                                 {
3016                                                 if (!BIO_should_retry(io))
3017                                                         goto write_error;
3018                                                 else
3019                                                         {
3020                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3021                                                         }
3022                                                 }
3023                                         else
3024                                                 {
3025                                                 j+=k;
3026                                                 }
3027                                         }
3028                                 }
3029 write_error:
3030                         BIO_free(file);
3031                         break;
3032                         }
3033                 }
3034
3035         for (;;)
3036                 {
3037                 i=(int)BIO_flush(io);
3038                 if (i <= 0)
3039                         {
3040                         if (!BIO_should_retry(io))
3041                                 break;
3042                         }
3043                 else
3044                         break;
3045                 }
3046 end:
3047 #if 1
3048         /* make sure we re-use sessions */
3049         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3050 #else
3051         /* This kills performance */
3052 /*      SSL_shutdown(con); A shutdown gets sent in the
3053  *      BIO_free_all(io) procession */
3054 #endif
3055
3056 err:
3057
3058         if (ret >= 0)
3059                 BIO_printf(bio_s_out,"ACCEPT\n");
3060
3061         if (buf != NULL) OPENSSL_free(buf);
3062         if (io != NULL) BIO_free_all(io);
3063 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3064         return(ret);
3065         }
3066
3067 #ifndef OPENSSL_NO_RSA
3068 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3069         {
3070         BIGNUM *bn = NULL;
3071         static RSA *rsa_tmp=NULL;
3072
3073         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3074                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3075         if (!rsa_tmp && bn)
3076                 {
3077                 if (!s_quiet)
3078                         {
3079                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3080                         (void)BIO_flush(bio_err);
3081                         }
3082                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3083                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3084                         {
3085                         if(rsa_tmp) RSA_free(rsa_tmp);
3086                         rsa_tmp = NULL;
3087                         }
3088                 if (!s_quiet)
3089                         {
3090                         BIO_printf(bio_err,"\n");
3091                         (void)BIO_flush(bio_err);
3092                         }
3093                 BN_free(bn);
3094                 }
3095         return(rsa_tmp);
3096         }
3097 #endif
3098
3099 #define MAX_SESSION_ID_ATTEMPTS 10
3100 static int generate_session_id(const SSL *ssl, unsigned char *id,
3101                                 unsigned int *id_len)
3102         {
3103         unsigned int count = 0;
3104         do      {
3105                 RAND_pseudo_bytes(id, *id_len);
3106                 /* Prefix the session_id with the required prefix. NB: If our
3107                  * prefix is too long, clip it - but there will be worse effects
3108                  * anyway, eg. the server could only possibly create 1 session
3109                  * ID (ie. the prefix!) so all future session negotiations will
3110                  * fail due to conflicts. */
3111                 memcpy(id, session_id_prefix,
3112                         (strlen(session_id_prefix) < *id_len) ?
3113                         strlen(session_id_prefix) : *id_len);
3114                 }
3115         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3116                 (++count < MAX_SESSION_ID_ATTEMPTS));
3117         if(count >= MAX_SESSION_ID_ATTEMPTS)
3118                 return 0;
3119         return 1;
3120         }