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 static int ssl_load_stores(SSL_CTX *sctx,
 216                         const char *vfyCApath, const char *vfyCAfile,
 217                         const char *chCApath, const char *chCAfile);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 221 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_DH
 228 static unsigned char dh512_p[]={
 229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 234         0x47,0x74,0xE8,0x33,
 235         };
 236 static unsigned char dh512_g[]={
 237         0x02,
 238         };
 239
 240 static DH *get_dh512(void)
 241         {
 242         DH *dh=NULL;
 243
 244         if ((dh=DH_new()) == NULL) return(NULL);
 245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 247         if ((dh->p == NULL) || (dh->g == NULL))
 248                 return(NULL);
 249         return(dh);
 250         }
 251 #endif
 252
 253
 254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 255
 256 #undef BUFSIZZ
 257 #define BUFSIZZ 16*1024
 258 static int bufsize=BUFSIZZ;
 259 static int accept_socket= -1;
 260
 261 #define TEST_CERT       "server.pem"
 262 #ifndef OPENSSL_NO_TLSEXT
 263 #define TEST_CERT2      "server2.pem"
 264 #endif
 265 #undef PROG
 266 #define PROG            s_server_main
 267
 268 extern int verify_depth, verify_return_error;
 269
 270 static char *cipher=NULL;
 271 static int s_server_verify=SSL_VERIFY_NONE;
 272 static int s_server_session_id_context = 1; /* anything will do */
 273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 274 #ifndef OPENSSL_NO_TLSEXT
 275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 276 #endif
 277 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 278 #ifdef FIONBIO
 279 static int s_nbio=0;
 280 #endif
 281 static int s_nbio_test=0;
 282 int s_crlf=0;
 283 static SSL_CTX *ctx=NULL;
 284 #ifndef OPENSSL_NO_TLSEXT
 285 static SSL_CTX *ctx2=NULL;
 286 #endif
 287 static int www=0;
 288
 289 static BIO *bio_s_out=NULL;
 290 static BIO *bio_s_msg = NULL;
 291 static int s_debug=0;
 292 #ifndef OPENSSL_NO_TLSEXT
 293 static int s_tlsextdebug=0;
 294 static int s_tlsextstatus=0;
 295 static int cert_status_cb(SSL *s, void *arg);
 296 #endif
 297 static int s_msg=0;
 298 static int s_quiet=0;
 299
 300 static char *keymatexportlabel=NULL;
 301 static int keymatexportlen=20;
 302
 303 static int hack=0;
 304 #ifndef OPENSSL_NO_ENGINE
 305 static char *engine_id=NULL;
 306 #endif
 307 static const char *session_id_prefix=NULL;
 308
 309 static int enable_timeouts = 0;
 310 static long socket_mtu;
 311 #ifndef OPENSSL_NO_DTLS1
 312 static int cert_chain = 0;
 313 #endif
 314
 315 #ifndef OPENSSL_NO_TLSEXT
 316 static BIO *authz_in = NULL;
 317 static const char *s_authz_file = NULL;
 318 #endif
 319
 320 #ifndef OPENSSL_NO_PSK
 321 static char *psk_identity="Client_identity";
 322 char *psk_key=NULL; /* by default PSK is not used */
 323
 324 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 325         unsigned char *psk, unsigned int max_psk_len)
 326         {
 327         unsigned int psk_len = 0;
 328         int ret;
 329         BIGNUM *bn = NULL;
 330
 331         if (s_debug)
 332                 BIO_printf(bio_s_out,"psk_server_cb\n");
 333         if (!identity)
 334                 {
 335                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 336                 goto out_err;
 337                 }
 338         if (s_debug)
 339                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 340                         identity ? (int)strlen(identity) : 0, identity);
 341
 342         /* here we could lookup the given identity e.g. from a database */
 343         if (strcmp(identity, psk_identity) != 0)
 344                 {
 345                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 346                            " (got '%s' expected '%s')\n", identity,
 347                            psk_identity);
 348                 goto out_err;
 349                 }
 350         if (s_debug)
 351                 BIO_printf(bio_s_out, "PSK client identity found\n");
 352
 353         /* convert the PSK key to binary */
 354         ret = BN_hex2bn(&bn, psk_key);
 355         if (!ret)
 356                 {
 357                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 358                 if (bn)
 359                         BN_free(bn);
 360                 return 0;
 361                 }
 362         if (BN_num_bytes(bn) > (int)max_psk_len)
 363                 {
 364                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 365                         max_psk_len, BN_num_bytes(bn));
 366                 BN_free(bn);
 367                 return 0;
 368                 }
 369
 370         ret = BN_bn2bin(bn, psk);
 371         BN_free(bn);
 372
 373         if (ret < 0)
 374                 goto out_err;
 375         psk_len = (unsigned int)ret;
 376
 377         if (s_debug)
 378                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 379         return psk_len;
 380  out_err:
 381         if (s_debug)
 382                 BIO_printf(bio_err, "Error in PSK server callback\n");
 383         return 0;
 384         }
 385 #endif
 386
 387 #ifndef OPENSSL_NO_SRP
 388 /* This is a context that we pass to callbacks */
 389 typedef struct srpsrvparm_st
 390         {
 391         char *login;
 392         SRP_VBASE *vb;
 393         SRP_user_pwd *user;
 394         } srpsrvparm;
 395
 396 /* This callback pretends to require some asynchronous logic in order to obtain
 397    a verifier. When the callback is called for a new connection we return
 398    with a negative value. This will provoke the accept etc to return with
 399    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 400    (which would normally occur after a worker has finished) and we
 401    set the user parameters.
 402 */
 403 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 404         {
 405         srpsrvparm *p = (srpsrvparm *)arg;
 406         if (p->login == NULL && p->user == NULL )
 407                 {
 408                 p->login = SSL_get_srp_username(s);
 409                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 410                 return (-1) ;
 411                 }
 412
 413         if (p->user == NULL)
 414                 {
 415                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 416                 return SSL3_AL_FATAL;
 417                 }
 418         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 419                                      p->user->info) < 0)
 420                 {
 421                 *ad = SSL_AD_INTERNAL_ERROR;
 422                 return SSL3_AL_FATAL;
 423                 }
 424         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 425         /* need to check whether there are memory leaks */
 426         p->user = NULL;
 427         p->login = NULL;
 428         return SSL_ERROR_NONE;
 429         }
 430
 431 #endif
 432
 433 #ifdef MONOLITH
 434 static void s_server_init(void)
 435         {
 436         accept_socket=-1;
 437         cipher=NULL;
 438         s_server_verify=SSL_VERIFY_NONE;
 439         s_dcert_file=NULL;
 440         s_dkey_file=NULL;
 441         s_dchain_file=NULL;
 442         s_cert_file=TEST_CERT;
 443         s_key_file=NULL;
 444         s_chain_file=NULL;
 445 #ifndef OPENSSL_NO_TLSEXT
 446         s_cert_file2=TEST_CERT2;
 447         s_key_file2=NULL;
 448         ctx2=NULL;
 449 #endif
 450 #ifdef FIONBIO
 451         s_nbio=0;
 452 #endif
 453         s_nbio_test=0;
 454         ctx=NULL;
 455         www=0;
 456
 457         bio_s_out=NULL;
 458         s_debug=0;
 459         s_msg=0;
 460         s_quiet=0;
 461         hack=0;
 462 #ifndef OPENSSL_NO_ENGINE
 463         engine_id=NULL;
 464 #endif
 465         }
 466 #endif
 467
 468 static void sv_usage(void)
 469         {
 470         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 471         BIO_printf(bio_err,"\n");
 472         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 473         BIO_printf(bio_err," -context arg  - set session ID context\n");
 474         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 475         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 476         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 477         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 478         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 479         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 480                            "                 The CRL(s) are appended to the certificate file\n");
 481         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 482                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 483                            "                 the certificate file.\n");
 484         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 485         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 486         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 487         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 490         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 491         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 492         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 493         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 494         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 495         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 496 #ifndef OPENSSL_NO_ECDH
 497         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 498                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 499                            "                 (default is nistp256).\n");
 500 #endif
 501 #ifdef FIONBIO
 502         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 503 #endif
 504         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 505         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 506         BIO_printf(bio_err," -debug        - Print more output\n");
 507         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 508         BIO_printf(bio_err," -state        - Print the SSL states\n");
 509         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 510         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 511         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 512         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 513         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 514         BIO_printf(bio_err," -quiet        - No server output\n");
 515         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 516 #ifndef OPENSSL_NO_PSK
 517         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 518         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 519 # ifndef OPENSSL_NO_JPAKE
 520         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 521 # endif
 522 #endif
 523 #ifndef OPENSSL_NO_SRP
 524         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 525         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 526 #endif
 527         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 528         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 529         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 530         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 531         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 532         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 533         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 534         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 535         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 536         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 537         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 538         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 539         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 540         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 541 #ifndef OPENSSL_NO_DH
 542         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 543 #endif
 544 #ifndef OPENSSL_NO_ECDH
 545         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 546 #endif
 547         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 548         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 549         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 550         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 551         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 552 #ifndef OPENSSL_NO_ENGINE
 553         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 554 #endif
 555         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 556         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 557 #ifndef OPENSSL_NO_TLSEXT
 558         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 559         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 560         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 561         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 562         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 563         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 564         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 565         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 566         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 567 # ifndef OPENSSL_NO_NEXTPROTONEG
 568         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 569 # endif
 570         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 571 #endif
 572         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 573         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 574         }
 575
 576 static int local_argc=0;
 577 static char **local_argv;
 578
 579 #ifdef CHARSET_EBCDIC
 580 static int ebcdic_new(BIO *bi);
 581 static int ebcdic_free(BIO *a);
 582 static int ebcdic_read(BIO *b, char *out, int outl);
 583 static int ebcdic_write(BIO *b, const char *in, int inl);
 584 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 585 static int ebcdic_gets(BIO *bp, char *buf, int size);
 586 static int ebcdic_puts(BIO *bp, const char *str);
 587
 588 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 589 static BIO_METHOD methods_ebcdic=
 590         {
 591         BIO_TYPE_EBCDIC_FILTER,
 592         "EBCDIC/ASCII filter",
 593         ebcdic_write,
 594         ebcdic_read,
 595         ebcdic_puts,
 596         ebcdic_gets,
 597         ebcdic_ctrl,
 598         ebcdic_new,
 599         ebcdic_free,
 600         };
 601
 602 typedef struct
 603 {
 604         size_t  alloced;
 605         char    buff[1];
 606 } EBCDIC_OUTBUFF;
 607
 608 BIO_METHOD *BIO_f_ebcdic_filter()
 609 {
 610         return(&methods_ebcdic);
 611 }
 612
 613 static int ebcdic_new(BIO *bi)
 614 {
 615         EBCDIC_OUTBUFF *wbuf;
 616
 617         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 618         wbuf->alloced = 1024;
 619         wbuf->buff[0] = '\0';
 620
 621         bi->ptr=(char *)wbuf;
 622         bi->init=1;
 623         bi->flags=0;
 624         return(1);
 625 }
 626
 627 static int ebcdic_free(BIO *a)
 628 {
 629         if (a == NULL) return(0);
 630         if (a->ptr != NULL)
 631                 OPENSSL_free(a->ptr);
 632         a->ptr=NULL;
 633         a->init=0;
 634         a->flags=0;
 635         return(1);
 636 }
 637
 638 static int ebcdic_read(BIO *b, char *out, int outl)
 639 {
 640         int ret=0;
 641
 642         if (out == NULL || outl == 0) return(0);
 643         if (b->next_bio == NULL) return(0);
 644
 645         ret=BIO_read(b->next_bio,out,outl);
 646         if (ret > 0)
 647                 ascii2ebcdic(out,out,ret);
 648         return(ret);
 649 }
 650
 651 static int ebcdic_write(BIO *b, const char *in, int inl)
 652 {
 653         EBCDIC_OUTBUFF *wbuf;
 654         int ret=0;
 655         int num;
 656         unsigned char n;
 657
 658         if ((in == NULL) || (inl <= 0)) return(0);
 659         if (b->next_bio == NULL) return(0);
 660
 661         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 662
 663         if (inl > (num = wbuf->alloced))
 664         {
 665                 num = num + num;  /* double the size */
 666                 if (num < inl)
 667                         num = inl;
 668                 OPENSSL_free(wbuf);
 669                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 670
 671                 wbuf->alloced = num;
 672                 wbuf->buff[0] = '\0';
 673
 674                 b->ptr=(char *)wbuf;
 675         }
 676
 677         ebcdic2ascii(wbuf->buff, in, inl);
 678
 679         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 680
 681         return(ret);
 682 }
 683
 684 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 685 {
 686         long ret;
 687
 688         if (b->next_bio == NULL) return(0);
 689         switch (cmd)
 690         {
 691         case BIO_CTRL_DUP:
 692                 ret=0L;
 693                 break;
 694         default:
 695                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 696                 break;
 697         }
 698         return(ret);
 699 }
 700
 701 static int ebcdic_gets(BIO *bp, char *buf, int size)
 702 {
 703         int i, ret=0;
 704         if (bp->next_bio == NULL) return(0);
 705 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 706         for (i=0; i<size-1; ++i)
 707         {
 708                 ret = ebcdic_read(bp,&buf[i],1);
 709                 if (ret <= 0)
 710                         break;
 711                 else if (buf[i] == '\n')
 712                 {
 713                         ++i;
 714                         break;
 715                 }
 716         }
 717         if (i < size)
 718                 buf[i] = '\0';
 719         return (ret < 0 && i == 0) ? ret : i;
 720 }
 721
 722 static int ebcdic_puts(BIO *bp, const char *str)
 723 {
 724         if (bp->next_bio == NULL) return(0);
 725         return ebcdic_write(bp, str, strlen(str));
 726 }
 727 #endif
 728
 729 #ifndef OPENSSL_NO_TLSEXT
 730
 731 /* This is a context that we pass to callbacks */
 732 typedef struct tlsextctx_st {
 733    char * servername;
 734    BIO * biodebug;
 735    int extension_error;
 736 } tlsextctx;
 737
 738
 739 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 740         {
 741         tlsextctx * p = (tlsextctx *) arg;
 742         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 743         if (servername && p->biodebug)
 744                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 745
 746         if (!p->servername)
 747                 return SSL_TLSEXT_ERR_NOACK;
 748
 749         if (servername)
 750                 {
 751                 if (strcmp(servername,p->servername))
 752                         return p->extension_error;
 753                 if (ctx2)
 754                         {
 755                         BIO_printf(p->biodebug,"Switching server context.\n");
 756                         SSL_set_SSL_CTX(s,ctx2);
 757                         }
 758                 }
 759         return SSL_TLSEXT_ERR_OK;
 760 }
 761
 762 /* Structure passed to cert status callback */
 763
 764 typedef struct tlsextstatusctx_st {
 765    /* Default responder to use */
 766    char *host, *path, *port;
 767    int use_ssl;
 768    int timeout;
 769    BIO *err;
 770    int verbose;
 771 } tlsextstatusctx;
 772
 773 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 774
 775 /* Certificate Status callback. This is called when a client includes a
 776  * certificate status request extension.
 777  *
 778  * This is a simplified version. It examines certificates each time and
 779  * makes one OCSP responder query for each request.
 780  *
 781  * A full version would store details such as the OCSP certificate IDs and
 782  * minimise the number of OCSP responses by caching them until they were
 783  * considered "expired".
 784  */
 785
 786 static int cert_status_cb(SSL *s, void *arg)
 787         {
 788         tlsextstatusctx *srctx = arg;
 789         BIO *err = srctx->err;
 790         char *host, *port, *path;
 791         int use_ssl;
 792         unsigned char *rspder = NULL;
 793         int rspderlen;
 794         STACK_OF(OPENSSL_STRING) *aia = NULL;
 795         X509 *x = NULL;
 796         X509_STORE_CTX inctx;
 797         X509_OBJECT obj;
 798         OCSP_REQUEST *req = NULL;
 799         OCSP_RESPONSE *resp = NULL;
 800         OCSP_CERTID *id = NULL;
 801         STACK_OF(X509_EXTENSION) *exts;
 802         int ret = SSL_TLSEXT_ERR_NOACK;
 803         int i;
 804 #if 0
 805 STACK_OF(OCSP_RESPID) *ids;
 806 SSL_get_tlsext_status_ids(s, &ids);
 807 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 808 #endif
 809         if (srctx->verbose)
 810                 BIO_puts(err, "cert_status: callback called\n");
 811         /* Build up OCSP query from server certificate */
 812         x = SSL_get_certificate(s);
 813         aia = X509_get1_ocsp(x);
 814         if (aia)
 815                 {
 816                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 817                         &host, &port, &path, &use_ssl))
 818                         {
 819                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 820                         goto err;
 821                         }
 822                 if (srctx->verbose)
 823                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 824                                         sk_OPENSSL_STRING_value(aia, 0));
 825                 }
 826         else
 827                 {
 828                 if (!srctx->host)
 829                         {
 830                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 831                         goto done;
 832                         }
 833                 host = srctx->host;
 834                 path = srctx->path;
 835                 port = srctx->port;
 836                 use_ssl = srctx->use_ssl;
 837                 }
 838
 839         if (!X509_STORE_CTX_init(&inctx,
 840                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 841                                 NULL, NULL))
 842                 goto err;
 843         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 844                                 X509_get_issuer_name(x),&obj) <= 0)
 845                 {
 846                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 847                 X509_STORE_CTX_cleanup(&inctx);
 848                 goto done;
 849                 }
 850         req = OCSP_REQUEST_new();
 851         if (!req)
 852                 goto err;
 853         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 854         X509_free(obj.data.x509);
 855         X509_STORE_CTX_cleanup(&inctx);
 856         if (!id)
 857                 goto err;
 858         if (!OCSP_request_add0_id(req, id))
 859                 goto err;
 860         id = NULL;
 861         /* Add any extensions to the request */
 862         SSL_get_tlsext_status_exts(s, &exts);
 863         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 864                 {
 865                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 866                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 867                         goto err;
 868                 }
 869         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 870                                         srctx->timeout);
 871         if (!resp)
 872                 {
 873                 BIO_puts(err, "cert_status: error querying responder\n");
 874                 goto done;
 875                 }
 876         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 877         if (rspderlen <= 0)
 878                 goto err;
 879         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 880         if (srctx->verbose)
 881                 {
 882                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 883                 OCSP_RESPONSE_print(err, resp, 2);
 884                 }
 885         ret = SSL_TLSEXT_ERR_OK;
 886         done:
 887         if (ret != SSL_TLSEXT_ERR_OK)
 888                 ERR_print_errors(err);
 889         if (aia)
 890                 {
 891                 OPENSSL_free(host);
 892                 OPENSSL_free(path);
 893                 OPENSSL_free(port);
 894                 X509_email_free(aia);
 895                 }
 896         if (id)
 897                 OCSP_CERTID_free(id);
 898         if (req)
 899                 OCSP_REQUEST_free(req);
 900         if (resp)
 901                 OCSP_RESPONSE_free(resp);
 902         return ret;
 903         err:
 904         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 905         goto done;
 906         }
 907
 908 # ifndef OPENSSL_NO_NEXTPROTONEG
 909 /* This is the context that we pass to next_proto_cb */
 910 typedef struct tlsextnextprotoctx_st {
 911         unsigned char *data;
 912         unsigned int len;
 913 } tlsextnextprotoctx;
 914
 915 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 916         {
 917         tlsextnextprotoctx *next_proto = arg;
 918
 919         *data = next_proto->data;
 920         *len = next_proto->len;
 921
 922         return SSL_TLSEXT_ERR_OK;
 923         }
 924 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 925
 926
 927 #endif
 928
 929 int MAIN(int, char **);
 930
 931 #ifndef OPENSSL_NO_JPAKE
 932 static char *jpake_secret = NULL;
 933 #define no_jpake !jpake_secret
 934 #else
 935 #define no_jpake 1
 936 #endif
 937 #ifndef OPENSSL_NO_SRP
 938         static srpsrvparm srp_callback_parm;
 939 #endif
 940 static char *srtp_profiles = NULL;
 941
 942 int MAIN(int argc, char *argv[])
 943         {
 944         X509_VERIFY_PARAM *vpm = NULL;
 945         int badarg = 0;
 946         short port=PORT;
 947         char *CApath=NULL,*CAfile=NULL;
 948         char *chCApath=NULL,*chCAfile=NULL;
 949         char *vfyCApath=NULL,*vfyCAfile=NULL;
 950         unsigned char *context = NULL;
 951         char *dhfile = NULL;
 952 #ifndef OPENSSL_NO_ECDH
 953         char *named_curve = NULL;
 954 #endif
 955         int badop=0;
 956         int ret=1;
 957         int build_chain = 0;
 958         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 959         int state=0;
 960         const SSL_METHOD *meth=NULL;
 961         int socket_type=SOCK_STREAM;
 962         ENGINE *e=NULL;
 963         char *inrand=NULL;
 964         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 965         char *passarg = NULL, *pass = NULL;
 966         char *dpassarg = NULL, *dpass = NULL;
 967         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 968         X509 *s_cert = NULL, *s_dcert = NULL;
 969         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 970         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 971         int no_cache = 0;
 972 #ifndef OPENSSL_NO_TLSEXT
 973         EVP_PKEY *s_key2 = NULL;
 974         X509 *s_cert2 = NULL;
 975         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 976 # ifndef OPENSSL_NO_NEXTPROTONEG
 977         const char *next_proto_neg_in = NULL;
 978         tlsextnextprotoctx next_proto;
 979 # endif
 980 #endif
 981 #ifndef OPENSSL_NO_PSK
 982         /* by default do not send a PSK identity hint */
 983         static char *psk_identity_hint=NULL;
 984 #endif
 985 #ifndef OPENSSL_NO_SRP
 986         char *srpuserseed = NULL;
 987         char *srp_verifier_file = NULL;
 988 #endif
 989         SSL_EXCERT *exc = NULL;
 990         SSL_CONF_CTX *cctx = NULL;
 991         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 992         meth=SSLv23_server_method();
 993
 994         local_argc=argc;
 995         local_argv=argv;
 996
 997         apps_startup();
 998 #ifdef MONOLITH
 999         s_server_init();
1000 #endif
1001
1002         if (bio_err == NULL)
1003                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1004
1005         if (!load_config(bio_err, NULL))
1006                 goto end;
1007
1008         cctx = SSL_CONF_CTX_new();
1009         if (!cctx)
1010                 goto end;
1011         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1012         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1013
1014         verify_depth=0;
1015 #ifdef FIONBIO
1016         s_nbio=0;
1017 #endif
1018         s_nbio_test=0;
1019
1020         argc--;
1021         argv++;
1022
1023         while (argc >= 1)
1024                 {
1025                 if      ((strcmp(*argv,"-port") == 0) ||
1026                          (strcmp(*argv,"-accept") == 0))
1027                         {
1028                         if (--argc < 1) goto bad;
1029                         if (!extract_port(*(++argv),&port))
1030                                 goto bad;
1031                         }
1032                 else if (strcmp(*argv,"-verify") == 0)
1033                         {
1034                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1035                         if (--argc < 1) goto bad;
1036                         verify_depth=atoi(*(++argv));
1037                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1038                         }
1039                 else if (strcmp(*argv,"-Verify") == 0)
1040                         {
1041                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1042                                 SSL_VERIFY_CLIENT_ONCE;
1043                         if (--argc < 1) goto bad;
1044                         verify_depth=atoi(*(++argv));
1045                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1046                         }
1047                 else if (strcmp(*argv,"-context") == 0)
1048                         {
1049                         if (--argc < 1) goto bad;
1050                         context= (unsigned char *)*(++argv);
1051                         }
1052                 else if (strcmp(*argv,"-cert") == 0)
1053                         {
1054                         if (--argc < 1) goto bad;
1055                         s_cert_file= *(++argv);
1056                         }
1057 #ifndef OPENSSL_NO_TLSEXT
1058                 else if (strcmp(*argv,"-authz") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         s_authz_file = *(++argv);
1062                         }
1063 #endif
1064                 else if (strcmp(*argv,"-certform") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         s_cert_format = str2fmt(*(++argv));
1068                         }
1069                 else if (strcmp(*argv,"-key") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_key_file= *(++argv);
1073                         }
1074                 else if (strcmp(*argv,"-keyform") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         s_key_format = str2fmt(*(++argv));
1078                         }
1079                 else if (strcmp(*argv,"-pass") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         passarg = *(++argv);
1083                         }
1084                 else if (strcmp(*argv,"-cert_chain") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         s_chain_file= *(++argv);
1088                         }
1089                 else if (strcmp(*argv,"-dhparam") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         dhfile = *(++argv);
1093                         }
1094 #ifndef OPENSSL_NO_ECDH
1095                 else if (strcmp(*argv,"-named_curve") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         named_curve = *(++argv);
1099                         }
1100 #endif
1101                 else if (strcmp(*argv,"-dcertform") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         s_dcert_format = str2fmt(*(++argv));
1105                         }
1106                 else if (strcmp(*argv,"-dcert") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dcert_file= *(++argv);
1110                         }
1111                 else if (strcmp(*argv,"-dkeyform") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         s_dkey_format = str2fmt(*(++argv));
1115                         }
1116                 else if (strcmp(*argv,"-dpass") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         dpassarg = *(++argv);
1120                         }
1121                 else if (strcmp(*argv,"-dkey") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         s_dkey_file= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-dcert_chain") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         s_dchain_file= *(++argv);
1130                         }
1131                 else if (strcmp(*argv,"-nocert") == 0)
1132                         {
1133                         nocert=1;
1134                         }
1135                 else if (strcmp(*argv,"-CApath") == 0)
1136                         {
1137                         if (--argc < 1) goto bad;
1138                         CApath= *(++argv);
1139                         }
1140                 else if (strcmp(*argv,"-chainCApath") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         chCApath= *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-verifyCApath") == 0)
1146                         {
1147                         if (--argc < 1) goto bad;
1148                         vfyCApath= *(++argv);
1149                         }
1150                 else if (strcmp(*argv,"-no_cache") == 0)
1151                         no_cache = 1;
1152                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1153                         {
1154                         if (badarg)
1155                                 goto bad;
1156                         continue;
1157                         }
1158                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1159                         {
1160                         if (badarg)
1161                                 goto bad;
1162                         continue;
1163                         }
1164                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1165                         {
1166                         if (badarg)
1167                                 goto bad;
1168                         continue;
1169                         }
1170                 else if (strcmp(*argv,"-verify_return_error") == 0)
1171                         verify_return_error = 1;
1172                 else if (strcmp(*argv,"-build_chain") == 0)
1173                         build_chain = 1;
1174                 else if (strcmp(*argv,"-CAfile") == 0)
1175                         {
1176                         if (--argc < 1) goto bad;
1177                         CAfile= *(++argv);
1178                         }
1179                 else if (strcmp(*argv,"-chainCAfile") == 0)
1180                         {
1181                         if (--argc < 1) goto bad;
1182                         chCAfile= *(++argv);
1183                         }
1184                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1185                         {
1186                         if (--argc < 1) goto bad;
1187                         vfyCAfile= *(++argv);
1188                         }
1189 #ifdef FIONBIO
1190                 else if (strcmp(*argv,"-nbio") == 0)
1191                         { s_nbio=1; }
1192 #endif
1193                 else if (strcmp(*argv,"-nbio_test") == 0)
1194                         {
1195 #ifdef FIONBIO
1196                         s_nbio=1;
1197 #endif
1198                         s_nbio_test=1;
1199                         }
1200                 else if (strcmp(*argv,"-debug") == 0)
1201                         { s_debug=1; }
1202 #ifndef OPENSSL_NO_TLSEXT
1203                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1204                         s_tlsextdebug=1;
1205                 else if (strcmp(*argv,"-status") == 0)
1206                         s_tlsextstatus=1;
1207                 else if (strcmp(*argv,"-status_verbose") == 0)
1208                         {
1209                         s_tlsextstatus=1;
1210                         tlscstatp.verbose = 1;
1211                         }
1212                 else if (!strcmp(*argv, "-status_timeout"))
1213                         {
1214                         s_tlsextstatus=1;
1215                         if (--argc < 1) goto bad;
1216                         tlscstatp.timeout = atoi(*(++argv));
1217                         }
1218                 else if (!strcmp(*argv, "-status_url"))
1219                         {
1220                         s_tlsextstatus=1;
1221                         if (--argc < 1) goto bad;
1222                         if (!OCSP_parse_url(*(++argv),
1223                                         &tlscstatp.host,
1224                                         &tlscstatp.port,
1225                                         &tlscstatp.path,
1226                                         &tlscstatp.use_ssl))
1227                                 {
1228                                 BIO_printf(bio_err, "Error parsing URL\n");
1229                                 goto bad;
1230                                 }
1231                         }
1232 #endif
1233                 else if (strcmp(*argv,"-msg") == 0)
1234                         { s_msg=1; }
1235                 else if (strcmp(*argv,"-msgfile") == 0)
1236                         {
1237                         if (--argc < 1) goto bad;
1238                         bio_s_msg = BIO_new_file(*(++argv), "w");
1239                         }
1240 #ifndef OPENSSL_NO_SSL_TRACE
1241                 else if (strcmp(*argv,"-trace") == 0)
1242                         { s_msg=2; }
1243 #endif
1244                 else if (strcmp(*argv,"-hack") == 0)
1245                         { hack=1; }
1246                 else if (strcmp(*argv,"-state") == 0)
1247                         { state=1; }
1248                 else if (strcmp(*argv,"-crlf") == 0)
1249                         { s_crlf=1; }
1250                 else if (strcmp(*argv,"-quiet") == 0)
1251                         { s_quiet=1; }
1252                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1253                         { no_tmp_rsa=1; }
1254                 else if (strcmp(*argv,"-no_dhe") == 0)
1255                         { no_dhe=1; }
1256                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1257                         { no_ecdhe=1; }
1258 #ifndef OPENSSL_NO_PSK
1259                 else if (strcmp(*argv,"-psk_hint") == 0)
1260                         {
1261                         if (--argc < 1) goto bad;
1262                         psk_identity_hint= *(++argv);
1263                         }
1264                 else if (strcmp(*argv,"-psk") == 0)
1265                         {
1266                         size_t i;
1267
1268                         if (--argc < 1) goto bad;
1269                         psk_key=*(++argv);
1270                         for (i=0; i<strlen(psk_key); i++)
1271                                 {
1272                                 if (isxdigit((unsigned char)psk_key[i]))
1273                                         continue;
1274                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1275                                 goto bad;
1276                                 }
1277                         }
1278 #endif
1279 #ifndef OPENSSL_NO_SRP
1280                 else if (strcmp(*argv, "-srpvfile") == 0)
1281                         {
1282                         if (--argc < 1) goto bad;
1283                         srp_verifier_file = *(++argv);
1284                         meth = TLSv1_server_method();
1285                         }
1286                 else if (strcmp(*argv, "-srpuserseed") == 0)
1287                         {
1288                         if (--argc < 1) goto bad;
1289                         srpuserseed = *(++argv);
1290                         meth = TLSv1_server_method();
1291                         }
1292 #endif
1293                 else if (strcmp(*argv,"-www") == 0)
1294                         { www=1; }
1295                 else if (strcmp(*argv,"-WWW") == 0)
1296                         { www=2; }
1297                 else if (strcmp(*argv,"-HTTP") == 0)
1298                         { www=3; }
1299 #ifndef OPENSSL_NO_SSL2
1300                 else if (strcmp(*argv,"-ssl2") == 0)
1301                         { meth=SSLv2_server_method(); }
1302 #endif
1303 #ifndef OPENSSL_NO_SSL3
1304                 else if (strcmp(*argv,"-ssl3") == 0)
1305                         { meth=SSLv3_server_method(); }
1306 #endif
1307 #ifndef OPENSSL_NO_TLS1
1308                 else if (strcmp(*argv,"-tls1") == 0)
1309                         { meth=TLSv1_server_method(); }
1310                 else if (strcmp(*argv,"-tls1_1") == 0)
1311                         { meth=TLSv1_1_server_method(); }
1312                 else if (strcmp(*argv,"-tls1_2") == 0)
1313                         { meth=TLSv1_2_server_method(); }
1314 #endif
1315 #ifndef OPENSSL_NO_DTLS1
1316                 else if (strcmp(*argv,"-dtls1") == 0)
1317                         {
1318                         meth=DTLSv1_server_method();
1319                         socket_type = SOCK_DGRAM;
1320                         }
1321                 else if (strcmp(*argv,"-timeout") == 0)
1322                         enable_timeouts = 1;
1323                 else if (strcmp(*argv,"-mtu") == 0)
1324                         {
1325                         if (--argc < 1) goto bad;
1326                         socket_mtu = atol(*(++argv));
1327                         }
1328                 else if (strcmp(*argv, "-chain") == 0)
1329                         cert_chain = 1;
1330 #endif
1331                 else if (strcmp(*argv, "-id_prefix") == 0)
1332                         {
1333                         if (--argc < 1) goto bad;
1334                         session_id_prefix = *(++argv);
1335                         }
1336 #ifndef OPENSSL_NO_ENGINE
1337                 else if (strcmp(*argv,"-engine") == 0)
1338                         {
1339                         if (--argc < 1) goto bad;
1340                         engine_id= *(++argv);
1341                         }
1342 #endif
1343                 else if (strcmp(*argv,"-rand") == 0)
1344                         {
1345                         if (--argc < 1) goto bad;
1346                         inrand= *(++argv);
1347                         }
1348 #ifndef OPENSSL_NO_TLSEXT
1349                 else if (strcmp(*argv,"-servername") == 0)
1350                         {
1351                         if (--argc < 1) goto bad;
1352                         tlsextcbp.servername= *(++argv);
1353                         }
1354                 else if (strcmp(*argv,"-servername_fatal") == 0)
1355                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1356                 else if (strcmp(*argv,"-cert2") == 0)
1357                         {
1358                         if (--argc < 1) goto bad;
1359                         s_cert_file2= *(++argv);
1360                         }
1361                 else if (strcmp(*argv,"-key2") == 0)
1362                         {
1363                         if (--argc < 1) goto bad;
1364                         s_key_file2= *(++argv);
1365                         }
1366 # ifndef OPENSSL_NO_NEXTPROTONEG
1367                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1368                         {
1369                         if (--argc < 1) goto bad;
1370                         next_proto_neg_in = *(++argv);
1371                         }
1372 # endif
1373 #endif
1374 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1375                 else if (strcmp(*argv,"-jpake") == 0)
1376                         {
1377                         if (--argc < 1) goto bad;
1378                         jpake_secret = *(++argv);
1379                         }
1380 #endif
1381                 else if (strcmp(*argv,"-use_srtp") == 0)
1382                         {
1383                         if (--argc < 1) goto bad;
1384                         srtp_profiles = *(++argv);
1385                         }
1386                 else if (strcmp(*argv,"-keymatexport") == 0)
1387                         {
1388                         if (--argc < 1) goto bad;
1389                         keymatexportlabel= *(++argv);
1390                         }
1391                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         keymatexportlen=atoi(*(++argv));
1395                         if (keymatexportlen == 0) goto bad;
1396                         }
1397                 else
1398                         {
1399                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1400                         badop=1;
1401                         break;
1402                         }
1403                 argc--;
1404                 argv++;
1405                 }
1406         if (badop)
1407                 {
1408 bad:
1409                 sv_usage();
1410                 goto end;
1411                 }
1412
1413 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1414         if (jpake_secret)
1415                 {
1416                 if (psk_key)
1417                         {
1418                         BIO_printf(bio_err,
1419                                    "Can't use JPAKE and PSK together\n");
1420                         goto end;
1421                         }
1422                 psk_identity = "JPAKE";
1423                 }
1424 #endif
1425
1426         SSL_load_error_strings();
1427         OpenSSL_add_ssl_algorithms();
1428
1429 #ifndef OPENSSL_NO_ENGINE
1430         e = setup_engine(bio_err, engine_id, 1);
1431 #endif
1432
1433         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1434                 {
1435                 BIO_printf(bio_err, "Error getting password\n");
1436                 goto end;
1437                 }
1438
1439
1440         if (s_key_file == NULL)
1441                 s_key_file = s_cert_file;
1442 #ifndef OPENSSL_NO_TLSEXT
1443         if (s_key_file2 == NULL)
1444                 s_key_file2 = s_cert_file2;
1445 #endif
1446
1447         if (!load_excert(&exc, bio_err))
1448                 goto end;
1449
1450         if (nocert == 0)
1451                 {
1452                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1453                        "server certificate private key file");
1454                 if (!s_key)
1455                         {
1456                         ERR_print_errors(bio_err);
1457                         goto end;
1458                         }
1459
1460                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1461                         NULL, e, "server certificate file");
1462
1463                 if (!s_cert)
1464                         {
1465                         ERR_print_errors(bio_err);
1466                         goto end;
1467                         }
1468                 if (s_chain_file)
1469                         {
1470                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1471                                         NULL, e, "server certificate chain");
1472                         if (!s_chain)
1473                                 goto end;
1474                         }
1475
1476 #ifndef OPENSSL_NO_TLSEXT
1477                 if (tlsextcbp.servername)
1478                         {
1479                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1480                                 "second server certificate private key file");
1481                         if (!s_key2)
1482                                 {
1483                                 ERR_print_errors(bio_err);
1484                                 goto end;
1485                                 }
1486
1487                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1488                                 NULL, e, "second server certificate file");
1489
1490                         if (!s_cert2)
1491                                 {
1492                                 ERR_print_errors(bio_err);
1493                                 goto end;
1494                                 }
1495                         }
1496 #endif /* OPENSSL_NO_TLSEXT */
1497                 }
1498
1499 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1500         if (next_proto_neg_in)
1501                 {
1502                 unsigned short len;
1503                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1504                 if (next_proto.data == NULL)
1505                         goto end;
1506                 next_proto.len = len;
1507                 }
1508         else
1509                 {
1510                 next_proto.data = NULL;
1511                 }
1512 #endif
1513
1514
1515         if (s_dcert_file)
1516                 {
1517
1518                 if (s_dkey_file == NULL)
1519                         s_dkey_file = s_dcert_file;
1520
1521                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1522                                 0, dpass, e,
1523                                "second certificate private key file");
1524                 if (!s_dkey)
1525                         {
1526                         ERR_print_errors(bio_err);
1527                         goto end;
1528                         }
1529
1530                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1531                                 NULL, e, "second server certificate file");
1532
1533                 if (!s_dcert)
1534                         {
1535                         ERR_print_errors(bio_err);
1536                         goto end;
1537                         }
1538                 if (s_dchain_file)
1539                         {
1540                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1541                                 NULL, e, "second server certificate chain");
1542                         if (!s_dchain)
1543                                 goto end;
1544                         }
1545
1546                 }
1547
1548         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1549                 && !RAND_status())
1550                 {
1551                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1552                 }
1553         if (inrand != NULL)
1554                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1555                         app_RAND_load_files(inrand));
1556
1557         if (bio_s_out == NULL)
1558                 {
1559                 if (s_quiet && !s_debug && !s_msg)
1560                         {
1561                         bio_s_out=BIO_new(BIO_s_null());
1562                         if (s_msg && !bio_s_msg)
1563                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1564                         }
1565                 else
1566                         {
1567                         if (bio_s_out == NULL)
1568                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1569                         }
1570                 }
1571
1572 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1573         if (nocert)
1574 #endif
1575                 {
1576                 s_cert_file=NULL;
1577                 s_key_file=NULL;
1578                 s_dcert_file=NULL;
1579                 s_dkey_file=NULL;
1580 #ifndef OPENSSL_NO_TLSEXT
1581                 s_cert_file2=NULL;
1582                 s_key_file2=NULL;
1583 #endif
1584                 }
1585
1586         ctx=SSL_CTX_new(meth);
1587         if (ctx == NULL)
1588                 {
1589                 ERR_print_errors(bio_err);
1590                 goto end;
1591                 }
1592         if (session_id_prefix)
1593                 {
1594                 if(strlen(session_id_prefix) >= 32)
1595                         BIO_printf(bio_err,
1596 "warning: id_prefix is too long, only one new session will be possible\n");
1597                 else if(strlen(session_id_prefix) >= 16)
1598                         BIO_printf(bio_err,
1599 "warning: id_prefix is too long if you use SSLv2\n");
1600                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1601                         {
1602                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1603                         ERR_print_errors(bio_err);
1604                         goto end;
1605                         }
1606                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1607                 }
1608         SSL_CTX_set_quiet_shutdown(ctx,1);
1609         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1610         if (exc) ssl_ctx_set_excert(ctx, exc);
1611         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1612          * Setting read ahead solves this problem.
1613          */
1614         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1615
1616         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1617         if (no_cache)
1618                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1619         else
1620                 SSL_CTX_sess_set_cache_size(ctx,128);
1621
1622         if (srtp_profiles != NULL)
1623                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1624
1625 #if 0
1626         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1627 #endif
1628
1629 #if 0
1630         if (s_cert_file == NULL)
1631                 {
1632                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1633                 goto end;
1634                 }
1635 #endif
1636
1637         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1638                 (!SSL_CTX_set_default_verify_paths(ctx)))
1639                 {
1640                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1641                 ERR_print_errors(bio_err);
1642                 /* goto end; */
1643                 }
1644         if (vpm)
1645                 SSL_CTX_set1_param(ctx, vpm);
1646
1647         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1648                 goto end;
1649
1650         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1651                 {
1652                 BIO_printf(bio_err, "Error loading store locations\n");
1653                 ERR_print_errors(bio_err);
1654                 goto end;
1655                 }
1656
1657 #ifndef OPENSSL_NO_TLSEXT
1658         if (s_cert2)
1659                 {
1660                 ctx2=SSL_CTX_new(meth);
1661                 if (ctx2 == NULL)
1662                         {
1663                         ERR_print_errors(bio_err);
1664                         goto end;
1665                         }
1666                 }
1667
1668         if (ctx2)
1669                 {
1670                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1671
1672                 if (session_id_prefix)
1673                         {
1674                         if(strlen(session_id_prefix) >= 32)
1675                                 BIO_printf(bio_err,
1676                                         "warning: id_prefix is too long, only one new session will be possible\n");
1677                         else if(strlen(session_id_prefix) >= 16)
1678                                 BIO_printf(bio_err,
1679                                         "warning: id_prefix is too long if you use SSLv2\n");
1680                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1681                                 {
1682                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1683                                 ERR_print_errors(bio_err);
1684                                 goto end;
1685                                 }
1686                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1687                         }
1688                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1689                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1690                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1691                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1692                  * Setting read ahead solves this problem.
1693                  */
1694                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1695
1696                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1697
1698                 if (no_cache)
1699                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1700                 else
1701                         SSL_CTX_sess_set_cache_size(ctx2,128);
1702
1703                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1704                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1705                         {
1706                         ERR_print_errors(bio_err);
1707                         }
1708                 if (vpm)
1709                         SSL_CTX_set1_param(ctx2, vpm);
1710
1711                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1712                         goto end;
1713                 }
1714
1715 # ifndef OPENSSL_NO_NEXTPROTONEG
1716         if (next_proto.data)
1717                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1718 # endif
1719 #endif
1720
1721 #ifndef OPENSSL_NO_DH
1722         if (!no_dhe)
1723                 {
1724                 DH *dh=NULL;
1725
1726                 if (dhfile)
1727                         dh = load_dh_param(dhfile);
1728                 else if (s_cert_file)
1729                         dh = load_dh_param(s_cert_file);
1730
1731                 if (dh != NULL)
1732                         {
1733                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1734                         }
1735                 else
1736                         {
1737                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1738                         dh=get_dh512();
1739                         }
1740                 (void)BIO_flush(bio_s_out);
1741
1742                 SSL_CTX_set_tmp_dh(ctx,dh);
1743 #ifndef OPENSSL_NO_TLSEXT
1744                 if (ctx2)
1745                         {
1746                         if (!dhfile)
1747                                 {
1748                                 DH *dh2=load_dh_param(s_cert_file2);
1749                                 if (dh2 != NULL)
1750                                         {
1751                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1752                                         (void)BIO_flush(bio_s_out);
1753
1754                                         DH_free(dh);
1755                                         dh = dh2;
1756                                         }
1757                                 }
1758                         SSL_CTX_set_tmp_dh(ctx2,dh);
1759                         }
1760 #endif
1761                 DH_free(dh);
1762                 }
1763 #endif
1764
1765 #ifndef OPENSSL_NO_ECDH
1766         if (!no_ecdhe)
1767                 {
1768                 EC_KEY *ecdh=NULL;
1769
1770                 if (named_curve && strcmp(named_curve, "auto"))
1771                         {
1772                         int nid = EC_curve_nist2nid(named_curve);
1773                         if (nid == NID_undef)
1774                                 nid = OBJ_sn2nid(named_curve);
1775                         if (nid == 0)
1776                                 {
1777                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1778                                         named_curve);
1779                                 goto end;
1780                                 }
1781                         ecdh = EC_KEY_new_by_curve_name(nid);
1782                         if (ecdh == NULL)
1783                                 {
1784                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1785                                         named_curve);
1786                                 goto end;
1787                                 }
1788                         }
1789
1790                 if (ecdh != NULL)
1791                         {
1792                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1793                         }
1794                 else if (named_curve)
1795                         SSL_CTX_set_ecdh_auto(ctx, 1);
1796                 else
1797                         {
1798                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1799                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1800                         if (ecdh == NULL)
1801                                 {
1802                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1803                                 goto end;
1804                                 }
1805                         }
1806                 (void)BIO_flush(bio_s_out);
1807
1808                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1809 #ifndef OPENSSL_NO_TLSEXT
1810                 if (ctx2)
1811                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1812 #endif
1813                 EC_KEY_free(ecdh);
1814                 }
1815 #endif
1816
1817         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1818                 goto end;
1819 #ifndef OPENSSL_NO_TLSEXT
1820         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1821                 goto end;
1822 #endif
1823 #ifndef OPENSSL_NO_TLSEXT
1824         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1825                 goto end;
1826 #endif
1827         if (s_dcert != NULL)
1828                 {
1829                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1830                         goto end;
1831                 }
1832
1833 #ifndef OPENSSL_NO_RSA
1834 #if 1
1835         if (!no_tmp_rsa)
1836                 {
1837                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1838 #ifndef OPENSSL_NO_TLSEXT
1839                 if (ctx2)
1840                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1841 #endif
1842                 }
1843 #else
1844         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1845                 {
1846                 RSA *rsa;
1847
1848                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1849                 BIO_flush(bio_s_out);
1850
1851                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1852
1853                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1854                         {
1855                         ERR_print_errors(bio_err);
1856                         goto end;
1857                         }
1858 #ifndef OPENSSL_NO_TLSEXT
1859                         if (ctx2)
1860                                 {
1861                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1862                                         {
1863                                         ERR_print_errors(bio_err);
1864                                         goto end;
1865                                         }
1866                                 }
1867 #endif
1868                 RSA_free(rsa);
1869                 BIO_printf(bio_s_out,"\n");
1870                 }
1871 #endif
1872 #endif
1873
1874 #ifndef OPENSSL_NO_PSK
1875 #ifdef OPENSSL_NO_JPAKE
1876         if (psk_key != NULL)
1877 #else
1878         if (psk_key != NULL || jpake_secret)
1879 #endif
1880                 {
1881                 if (s_debug)
1882                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1883                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1884                 }
1885
1886         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1887                 {
1888                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1889                 ERR_print_errors(bio_err);
1890                 goto end;
1891                 }
1892 #endif
1893
1894         if (cipher != NULL)
1895                 {
1896                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1897                         {
1898                         BIO_printf(bio_err,"error setting cipher list\n");
1899                         ERR_print_errors(bio_err);
1900                         goto end;
1901                         }
1902 #ifndef OPENSSL_NO_TLSEXT
1903                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1904                         {
1905                         BIO_printf(bio_err,"error setting cipher list\n");
1906                         ERR_print_errors(bio_err);
1907                         goto end;
1908                         }
1909 #endif
1910                 }
1911         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1912         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1913                 sizeof s_server_session_id_context);
1914
1915         /* Set DTLS cookie generation and verification callbacks */
1916         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1917         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1918
1919 #ifndef OPENSSL_NO_TLSEXT
1920         if (ctx2)
1921                 {
1922                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1923                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1924                         sizeof s_server_session_id_context);
1925
1926                 tlsextcbp.biodebug = bio_s_out;
1927                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1928                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1929                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1930                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1931                 }
1932 #endif
1933
1934 #ifndef OPENSSL_NO_SRP
1935         if (srp_verifier_file != NULL)
1936                 {
1937                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1938                 srp_callback_parm.user = NULL;
1939                 srp_callback_parm.login = NULL;
1940                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1941                         {
1942                         BIO_printf(bio_err,
1943                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1944                                    srp_verifier_file, ret);
1945                                 goto end;
1946                         }
1947                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1948                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1949                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1950                 }
1951         else
1952 #endif
1953         if (CAfile != NULL)
1954                 {
1955                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1956 #ifndef OPENSSL_NO_TLSEXT
1957                 if (ctx2)
1958                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1959 #endif
1960                 }
1961
1962         BIO_printf(bio_s_out,"ACCEPT\n");
1963         (void)BIO_flush(bio_s_out);
1964         if (www)
1965                 do_server(port,socket_type,&accept_socket,www_body, context);
1966         else
1967                 do_server(port,socket_type,&accept_socket,sv_body, context);
1968         print_stats(bio_s_out,ctx);
1969         ret=0;
1970 end:
1971         if (ctx != NULL) SSL_CTX_free(ctx);
1972         if (s_cert)
1973                 X509_free(s_cert);
1974         if (s_dcert)
1975                 X509_free(s_dcert);
1976         if (s_key)
1977                 EVP_PKEY_free(s_key);
1978         if (s_dkey)
1979                 EVP_PKEY_free(s_dkey);
1980         if (s_chain)
1981                 sk_X509_pop_free(s_chain, X509_free);
1982         if (s_dchain)
1983                 sk_X509_pop_free(s_dchain, X509_free);
1984         if (pass)
1985                 OPENSSL_free(pass);
1986         if (dpass)
1987                 OPENSSL_free(dpass);
1988         if (vpm)
1989                 X509_VERIFY_PARAM_free(vpm);
1990 #ifndef OPENSSL_NO_TLSEXT
1991         if (tlscstatp.host)
1992                 OPENSSL_free(tlscstatp.host);
1993         if (tlscstatp.port)
1994                 OPENSSL_free(tlscstatp.port);
1995         if (tlscstatp.path)
1996                 OPENSSL_free(tlscstatp.path);
1997         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1998         if (s_cert2)
1999                 X509_free(s_cert2);
2000         if (s_key2)
2001                 EVP_PKEY_free(s_key2);
2002         if (authz_in != NULL)
2003                 BIO_free(authz_in);
2004 #endif
2005         ssl_excert_free(exc);
2006         if (ssl_args)
2007                 sk_OPENSSL_STRING_free(ssl_args);
2008         if (cctx)
2009                 SSL_CONF_CTX_free(cctx);
2010 #ifndef OPENSSL_NO_JPAKE
2011         if (jpake_secret && psk_key)
2012                 OPENSSL_free(psk_key);
2013 #endif
2014         if (bio_s_out != NULL)
2015                 {
2016                 BIO_free(bio_s_out);
2017                 bio_s_out=NULL;
2018                 }
2019         if (bio_s_msg != NULL)
2020                 {
2021                 BIO_free(bio_s_msg);
2022                 bio_s_msg = NULL;
2023                 }
2024         apps_shutdown();
2025         OPENSSL_EXIT(ret);
2026         }
2027
2028 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2029         {
2030         BIO_printf(bio,"%4ld items in the session cache\n",
2031                 SSL_CTX_sess_number(ssl_ctx));
2032         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2033                 SSL_CTX_sess_connect(ssl_ctx));
2034         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2035                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2036         BIO_printf(bio,"%4ld client connects that finished\n",
2037                 SSL_CTX_sess_connect_good(ssl_ctx));
2038         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2039                 SSL_CTX_sess_accept(ssl_ctx));
2040         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2041                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2042         BIO_printf(bio,"%4ld server accepts that finished\n",
2043                 SSL_CTX_sess_accept_good(ssl_ctx));
2044         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2045         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2046         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2047         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2048         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2049                 SSL_CTX_sess_cache_full(ssl_ctx),
2050                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2051         }
2052
2053 static int sv_body(char *hostname, int s, unsigned char *context)
2054         {
2055         char *buf=NULL;
2056         fd_set readfds;
2057         int ret=1,width;
2058         int k,i;
2059         unsigned long l;
2060         SSL *con=NULL;
2061         BIO *sbio;
2062 #ifndef OPENSSL_NO_KRB5
2063         KSSL_CTX *kctx;
2064 #endif
2065         struct timeval timeout;
2066 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2067         struct timeval tv;
2068 #else
2069         struct timeval *timeoutp;
2070 #endif
2071
2072         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2073                 {
2074                 BIO_printf(bio_err,"out of memory\n");
2075                 goto err;
2076                 }
2077 #ifdef FIONBIO
2078         if (s_nbio)
2079                 {
2080                 unsigned long sl=1;
2081
2082                 if (!s_quiet)
2083                         BIO_printf(bio_err,"turning on non blocking io\n");
2084                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2085                         ERR_print_errors(bio_err);
2086                 }
2087 #endif
2088
2089         if (con == NULL) {
2090                 con=SSL_new(ctx);
2091 #ifndef OPENSSL_NO_TLSEXT
2092         if (s_tlsextdebug)
2093                 {
2094                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2095                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2096                 }
2097         if (s_tlsextstatus)
2098                 {
2099                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2100                 tlscstatp.err = bio_err;
2101                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2102                 }
2103 #endif
2104 #ifndef OPENSSL_NO_KRB5
2105                 if ((kctx = kssl_ctx_new()) != NULL)
2106                         {
2107                         SSL_set0_kssl_ctx(con, kctx);
2108                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2109                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2110                         }
2111 #endif  /* OPENSSL_NO_KRB5 */
2112                 if(context)
2113                       SSL_set_session_id_context(con, context,
2114                                                  strlen((char *)context));
2115         }
2116         SSL_clear(con);
2117 #if 0
2118 #ifdef TLSEXT_TYPE_opaque_prf_input
2119         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2120 #endif
2121 #endif
2122
2123         if (SSL_version(con) == DTLS1_VERSION)
2124                 {
2125
2126                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2127
2128                 if (enable_timeouts)
2129                         {
2130                         timeout.tv_sec = 0;
2131                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2132                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2133
2134                         timeout.tv_sec = 0;
2135                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2136                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2137                         }
2138
2139                 if (socket_mtu > 28)
2140                         {
2141                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2142                         SSL_set_mtu(con, socket_mtu - 28);
2143                         }
2144                 else
2145                         /* want to do MTU discovery */
2146                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2147
2148         /* turn on cookie exchange */
2149         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2150                 }
2151         else
2152                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2153
2154         if (s_nbio_test)
2155                 {
2156                 BIO *test;
2157
2158                 test=BIO_new(BIO_f_nbio_test());
2159                 sbio=BIO_push(test,sbio);
2160                 }
2161 #ifndef OPENSSL_NO_JPAKE
2162         if(jpake_secret)
2163                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2164 #endif
2165
2166         SSL_set_bio(con,sbio,sbio);
2167         SSL_set_accept_state(con);
2168         /* SSL_set_fd(con,s); */
2169
2170         if (s_debug)
2171                 {
2172                 SSL_set_debug(con, 1);
2173                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2174                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2175                 }
2176         if (s_msg)
2177                 {
2178 #ifndef OPENSSL_NO_SSL_TRACE
2179                 if (s_msg == 2)
2180                         SSL_set_msg_callback(con, SSL_trace);
2181                 else
2182 #endif
2183                         SSL_set_msg_callback(con, msg_cb);
2184                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2185                 }
2186 #ifndef OPENSSL_NO_TLSEXT
2187         if (s_tlsextdebug)
2188                 {
2189                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2190                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2191                 }
2192 #endif
2193
2194         width=s+1;
2195         for (;;)
2196                 {
2197                 int read_from_terminal;
2198                 int read_from_sslcon;
2199
2200                 read_from_terminal = 0;
2201                 read_from_sslcon = SSL_pending(con);
2202
2203                 if (!read_from_sslcon)
2204                         {
2205                         FD_ZERO(&readfds);
2206 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2207                         openssl_fdset(fileno(stdin),&readfds);
2208 #endif
2209                         openssl_fdset(s,&readfds);
2210                         /* Note: under VMS with SOCKETSHR the second parameter is
2211                          * currently of type (int *) whereas under other systems
2212                          * it is (void *) if you don't have a cast it will choke
2213                          * the compiler: if you do have a cast then you can either
2214                          * go for (int *) or (void *).
2215                          */
2216 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2217                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2218                          * on sockets. As a workaround we timeout the select every
2219                          * second and check for any keypress. In a proper Windows
2220                          * application we wouldn't do this because it is inefficient.
2221                          */
2222                         tv.tv_sec = 1;
2223                         tv.tv_usec = 0;
2224                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2225                         if((i < 0) || (!i && !_kbhit() ) )continue;
2226                         if(_kbhit())
2227                                 read_from_terminal = 1;
2228 #elif defined(OPENSSL_SYS_BEOS_R5)
2229                         /* Under BeOS-R5 the situation is similar to DOS */
2230                         tv.tv_sec = 1;
2231                         tv.tv_usec = 0;
2232                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2233                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2234                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2235                                 continue;
2236                         if (read(fileno(stdin), buf, 0) >= 0)
2237                                 read_from_terminal = 1;
2238                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2239 #else
2240                         if ((SSL_version(con) == DTLS1_VERSION) &&
2241                                 DTLSv1_get_timeout(con, &timeout))
2242                                 timeoutp = &timeout;
2243                         else
2244                                 timeoutp = NULL;
2245
2246                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2247
2248                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2249                                 {
2250                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2251                                 }
2252
2253                         if (i <= 0) continue;
2254                         if (FD_ISSET(fileno(stdin),&readfds))
2255                                 read_from_terminal = 1;
2256 #endif
2257                         if (FD_ISSET(s,&readfds))
2258                                 read_from_sslcon = 1;
2259                         }
2260                 if (read_from_terminal)
2261                         {
2262                         if (s_crlf)
2263                                 {
2264                                 int j, lf_num;
2265
2266                                 i=raw_read_stdin(buf, bufsize/2);
2267                                 lf_num = 0;
2268                                 /* both loops are skipped when i <= 0 */
2269                                 for (j = 0; j < i; j++)
2270                                         if (buf[j] == '\n')
2271                                                 lf_num++;
2272                                 for (j = i-1; j >= 0; j--)
2273                                         {
2274                                         buf[j+lf_num] = buf[j];
2275                                         if (buf[j] == '\n')
2276                                                 {
2277                                                 lf_num--;
2278                                                 i++;
2279                                                 buf[j+lf_num] = '\r';
2280                                                 }
2281                                         }
2282                                 assert(lf_num == 0);
2283                                 }
2284                         else
2285                                 i=raw_read_stdin(buf,bufsize);
2286                         if (!s_quiet)
2287                                 {
2288                                 if ((i <= 0) || (buf[0] == 'Q'))
2289                                         {
2290                                         BIO_printf(bio_s_out,"DONE\n");
2291                                         SHUTDOWN(s);
2292                                         close_accept_socket();
2293                                         ret= -11;
2294                                         goto err;
2295                                         }
2296                                 if ((i <= 0) || (buf[0] == 'q'))
2297                                         {
2298                                         BIO_printf(bio_s_out,"DONE\n");
2299                                         if (SSL_version(con) != DTLS1_VERSION)
2300                         SHUTDOWN(s);
2301         /*                              close_accept_socket();
2302                                         ret= -11;*/
2303                                         goto err;
2304                                         }
2305
2306 #ifndef OPENSSL_NO_HEARTBEATS
2307                                 if ((buf[0] == 'B') &&
2308                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2309                                         {
2310                                         BIO_printf(bio_err,"HEARTBEATING\n");
2311                                         SSL_heartbeat(con);
2312                                         i=0;
2313                                         continue;
2314                                         }
2315 #endif
2316                                 if ((buf[0] == 'r') &&
2317                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2318                                         {
2319                                         SSL_renegotiate(con);
2320                                         i=SSL_do_handshake(con);
2321                                         printf("SSL_do_handshake -> %d\n",i);
2322                                         i=0; /*13; */
2323                                         continue;
2324                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2325                                         }
2326                                 if ((buf[0] == 'R') &&
2327                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2328                                         {
2329                                         SSL_set_verify(con,
2330                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2331                                         SSL_renegotiate(con);
2332                                         i=SSL_do_handshake(con);
2333                                         printf("SSL_do_handshake -> %d\n",i);
2334                                         i=0; /* 13; */
2335                                         continue;
2336                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2337                                         }
2338                                 if (buf[0] == 'P')
2339                                         {
2340                                         static const char *str="Lets print some clear text\n";
2341                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2342                                         }
2343                                 if (buf[0] == 'S')
2344                                         {
2345                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2346                                         }
2347                                 }
2348 #ifdef CHARSET_EBCDIC
2349                         ebcdic2ascii(buf,buf,i);
2350 #endif
2351                         l=k=0;
2352                         for (;;)
2353                                 {
2354                                 /* should do a select for the write */
2355 #ifdef RENEG
2356 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2357 #endif
2358                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2359 #ifndef OPENSSL_NO_SRP
2360                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2361                                         {
2362                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2363                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2364                                         if (srp_callback_parm.user)
2365                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2366                                         else
2367                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2368                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2369                                         }
2370 #endif
2371                                 switch (SSL_get_error(con,k))
2372                                         {
2373                                 case SSL_ERROR_NONE:
2374                                         break;
2375                                 case SSL_ERROR_WANT_WRITE:
2376                                 case SSL_ERROR_WANT_READ:
2377                                 case SSL_ERROR_WANT_X509_LOOKUP:
2378                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2379                                         break;
2380                                 case SSL_ERROR_SYSCALL:
2381                                 case SSL_ERROR_SSL:
2382                                         BIO_printf(bio_s_out,"ERROR\n");
2383                                         ERR_print_errors(bio_err);
2384                                         ret=1;
2385                                         goto err;
2386                                         /* break; */
2387                                 case SSL_ERROR_ZERO_RETURN:
2388                                         BIO_printf(bio_s_out,"DONE\n");
2389                                         ret=1;
2390                                         goto err;
2391                                         }
2392                                 l+=k;
2393                                 i-=k;
2394                                 if (i <= 0) break;
2395                                 }
2396                         }
2397                 if (read_from_sslcon)
2398                         {
2399                         if (!SSL_is_init_finished(con))
2400                                 {
2401                                 i=init_ssl_connection(con);
2402
2403                                 if (i < 0)
2404                                         {
2405                                         ret=0;
2406                                         goto err;
2407                                         }
2408                                 else if (i == 0)
2409                                         {
2410                                         ret=1;
2411                                         goto err;
2412                                         }
2413                                 }
2414                         else
2415                                 {
2416 again:
2417                                 i=SSL_read(con,(char *)buf,bufsize);
2418 #ifndef OPENSSL_NO_SRP
2419                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2420                                         {
2421                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2422                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2423                                         if (srp_callback_parm.user)
2424                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2425                                         else
2426                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2427                                         i=SSL_read(con,(char *)buf,bufsize);
2428                                         }
2429 #endif
2430                                 switch (SSL_get_error(con,i))
2431                                         {
2432                                 case SSL_ERROR_NONE:
2433 #ifdef CHARSET_EBCDIC
2434                                         ascii2ebcdic(buf,buf,i);
2435 #endif
2436                                         raw_write_stdout(buf,
2437                                                 (unsigned int)i);
2438                                         if (SSL_pending(con)) goto again;
2439                                         break;
2440                                 case SSL_ERROR_WANT_WRITE:
2441                                 case SSL_ERROR_WANT_READ:
2442                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2443                                         break;
2444                                 case SSL_ERROR_SYSCALL:
2445                                 case SSL_ERROR_SSL:
2446                                         BIO_printf(bio_s_out,"ERROR\n");
2447                                         ERR_print_errors(bio_err);
2448                                         ret=1;
2449                                         goto err;
2450                                 case SSL_ERROR_ZERO_RETURN:
2451                                         BIO_printf(bio_s_out,"DONE\n");
2452                                         ret=1;
2453                                         goto err;
2454                                         }
2455                                 }
2456                         }
2457                 }
2458 err:
2459         if (con != NULL)
2460                 {
2461                 BIO_printf(bio_s_out,"shutting down SSL\n");
2462 #if 1
2463                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2464 #else
2465                 SSL_shutdown(con);
2466 #endif
2467                 SSL_free(con);
2468                 }
2469         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2470         if (buf != NULL)
2471                 {
2472                 OPENSSL_cleanse(buf,bufsize);
2473                 OPENSSL_free(buf);
2474                 }
2475         if (ret >= 0)
2476                 BIO_printf(bio_s_out,"ACCEPT\n");
2477         return(ret);
2478         }
2479
2480 static void close_accept_socket(void)
2481         {
2482         BIO_printf(bio_err,"shutdown accept socket\n");
2483         if (accept_socket >= 0)
2484                 {
2485                 SHUTDOWN2(accept_socket);
2486                 }
2487         }
2488
2489 static int init_ssl_connection(SSL *con)
2490         {
2491         int i;
2492         const char *str;
2493         X509 *peer;
2494         long verify_error;
2495         MS_STATIC char buf[BUFSIZ];
2496 #ifndef OPENSSL_NO_KRB5
2497         char *client_princ;
2498 #endif
2499 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2500         const unsigned char *next_proto_neg;
2501         unsigned next_proto_neg_len;
2502 #endif
2503         unsigned char *exportedkeymat;
2504
2505
2506         i=SSL_accept(con);
2507 #ifndef OPENSSL_NO_SRP
2508         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2509                 {
2510                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2511                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2512                         if (srp_callback_parm.user)
2513                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2514                         else
2515                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2516                         i=SSL_accept(con);
2517                 }
2518 #endif
2519         if (i <= 0)
2520                 {
2521                 if (BIO_sock_should_retry(i))
2522                         {
2523                         BIO_printf(bio_s_out,"DELAY\n");
2524                         return(1);
2525                         }
2526
2527                 BIO_printf(bio_err,"ERROR\n");
2528                 verify_error=SSL_get_verify_result(con);
2529                 if (verify_error != X509_V_OK)
2530                         {
2531                         BIO_printf(bio_err,"verify error:%s\n",
2532                                 X509_verify_cert_error_string(verify_error));
2533                         }
2534                 /* Always print any error messages */
2535                 ERR_print_errors(bio_err);
2536                 return(0);
2537                 }
2538
2539         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2540
2541         peer=SSL_get_peer_certificate(con);
2542         if (peer != NULL)
2543                 {
2544                 BIO_printf(bio_s_out,"Client certificate\n");
2545                 PEM_write_bio_X509(bio_s_out,peer);
2546                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2547                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2548                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2549                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2550                 X509_free(peer);
2551                 }
2552
2553         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2554                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2555         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2556         ssl_print_sigalgs(bio_s_out, con);
2557         ssl_print_curves(bio_s_out, con);
2558         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2559
2560 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2561         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2562         if (next_proto_neg)
2563                 {
2564                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2565                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2566                 BIO_printf(bio_s_out, "\n");
2567                 }
2568 #endif
2569         {
2570         SRTP_PROTECTION_PROFILE *srtp_profile
2571           = SSL_get_selected_srtp_profile(con);
2572
2573         if(srtp_profile)
2574                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2575                            srtp_profile->name);
2576         }
2577         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2578         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2579                 TLS1_FLAGS_TLS_PADDING_BUG)
2580                 BIO_printf(bio_s_out,
2581                            "Peer has incorrect TLSv1 block padding\n");
2582 #ifndef OPENSSL_NO_KRB5
2583         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2584         if (client_princ != NULL)
2585                 {
2586                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2587                                                                 client_princ);
2588                 }
2589 #endif /* OPENSSL_NO_KRB5 */
2590         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2591                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2592         if (keymatexportlabel != NULL)
2593                 {
2594                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2595                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2596                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2597                            keymatexportlen);
2598                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2599                 if (exportedkeymat != NULL)
2600                         {
2601                         if (!SSL_export_keying_material(con, exportedkeymat,
2602                                                         keymatexportlen,
2603                                                         keymatexportlabel,
2604                                                         strlen(keymatexportlabel),
2605                                                         NULL, 0, 0))
2606                                 {
2607                                 BIO_printf(bio_s_out, "    Error\n");
2608                                 }
2609                         else
2610                                 {
2611                                 BIO_printf(bio_s_out, "    Keying material: ");
2612                                 for (i=0; i<keymatexportlen; i++)
2613                                         BIO_printf(bio_s_out, "%02X",
2614                                                    exportedkeymat[i]);
2615                                 BIO_printf(bio_s_out, "\n");
2616                                 }
2617                         OPENSSL_free(exportedkeymat);
2618                         }
2619                 }
2620
2621         return(1);
2622         }
2623
2624 #ifndef OPENSSL_NO_DH
2625 static DH *load_dh_param(const char *dhfile)
2626         {
2627         DH *ret=NULL;
2628         BIO *bio;
2629
2630         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2631                 goto err;
2632         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2633 err:
2634         if (bio != NULL) BIO_free(bio);
2635         return(ret);
2636         }
2637 #endif
2638 #ifndef OPENSSL_NO_KRB5
2639         char *client_princ;
2640 #endif
2641
2642 #if 0
2643 static int load_CA(SSL_CTX *ctx, char *file)
2644         {
2645         FILE *in;
2646         X509 *x=NULL;
2647
2648         if ((in=fopen(file,"r")) == NULL)
2649                 return(0);
2650
2651         for (;;)
2652                 {
2653                 if (PEM_read_X509(in,&x,NULL) == NULL)
2654                         break;
2655                 SSL_CTX_add_client_CA(ctx,x);
2656                 }
2657         if (x != NULL) X509_free(x);
2658         fclose(in);
2659         return(1);
2660         }
2661 #endif
2662
2663 static int www_body(char *hostname, int s, unsigned char *context)
2664         {
2665         char *buf=NULL;
2666         int ret=1;
2667         int i,j,k,dot;
2668         SSL *con;
2669         const SSL_CIPHER *c;
2670         BIO *io,*ssl_bio,*sbio;
2671 #ifndef OPENSSL_NO_KRB5
2672         KSSL_CTX *kctx;
2673 #endif
2674
2675         buf=OPENSSL_malloc(bufsize);
2676         if (buf == NULL) return(0);
2677         io=BIO_new(BIO_f_buffer());
2678         ssl_bio=BIO_new(BIO_f_ssl());
2679         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2680
2681 #ifdef FIONBIO
2682         if (s_nbio)
2683                 {
2684                 unsigned long sl=1;
2685
2686                 if (!s_quiet)
2687                         BIO_printf(bio_err,"turning on non blocking io\n");
2688                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2689                         ERR_print_errors(bio_err);
2690                 }
2691 #endif
2692
2693         /* lets make the output buffer a reasonable size */
2694         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2695
2696         if ((con=SSL_new(ctx)) == NULL) goto err;
2697 #ifndef OPENSSL_NO_TLSEXT
2698                 if (s_tlsextdebug)
2699                         {
2700                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2701                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2702                         }
2703 #endif
2704 #ifndef OPENSSL_NO_KRB5
2705         if ((kctx = kssl_ctx_new()) != NULL)
2706                 {
2707                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2708                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2709                 }
2710 #endif  /* OPENSSL_NO_KRB5 */
2711         if(context) SSL_set_session_id_context(con, context,
2712                                                strlen((char *)context));
2713
2714         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2715         if (s_nbio_test)
2716                 {
2717                 BIO *test;
2718
2719                 test=BIO_new(BIO_f_nbio_test());
2720                 sbio=BIO_push(test,sbio);
2721                 }
2722         SSL_set_bio(con,sbio,sbio);
2723         SSL_set_accept_state(con);
2724
2725         /* SSL_set_fd(con,s); */
2726         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2727         BIO_push(io,ssl_bio);
2728 #ifdef CHARSET_EBCDIC
2729         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2730 #endif
2731
2732         if (s_debug)
2733                 {
2734                 SSL_set_debug(con, 1);
2735                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2736                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2737                 }
2738         if (s_msg)
2739                 {
2740 #ifndef OPENSSL_NO_SSL_TRACE
2741                 if (s_msg == 2)
2742                         SSL_set_msg_callback(con, SSL_trace);
2743                 else
2744 #endif
2745                         SSL_set_msg_callback(con, msg_cb);
2746                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2747                 }
2748
2749         for (;;)
2750                 {
2751                 if (hack)
2752                         {
2753                         i=SSL_accept(con);
2754 #ifndef OPENSSL_NO_SRP
2755                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2756                 {
2757                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2758                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2759                         if (srp_callback_parm.user)
2760                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2761                         else
2762                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2763                         i=SSL_accept(con);
2764                 }
2765 #endif
2766                         switch (SSL_get_error(con,i))
2767                                 {
2768                         case SSL_ERROR_NONE:
2769                                 break;
2770                         case SSL_ERROR_WANT_WRITE:
2771                         case SSL_ERROR_WANT_READ:
2772                         case SSL_ERROR_WANT_X509_LOOKUP:
2773                                 continue;
2774                         case SSL_ERROR_SYSCALL:
2775                         case SSL_ERROR_SSL:
2776                         case SSL_ERROR_ZERO_RETURN:
2777                                 ret=1;
2778                                 goto err;
2779                                 /* break; */
2780                                 }
2781
2782                         SSL_renegotiate(con);
2783                         SSL_write(con,NULL,0);
2784                         }
2785
2786                 i=BIO_gets(io,buf,bufsize-1);
2787                 if (i < 0) /* error */
2788                         {
2789                         if (!BIO_should_retry(io))
2790                                 {
2791                                 if (!s_quiet)
2792                                         ERR_print_errors(bio_err);
2793                                 goto err;
2794                                 }
2795                         else
2796                                 {
2797                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2798 #if defined(OPENSSL_SYS_NETWARE)
2799             delay(1000);
2800 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2801                                 sleep(1);
2802 #endif
2803                                 continue;
2804                                 }
2805                         }
2806                 else if (i == 0) /* end of input */
2807                         {
2808                         ret=1;
2809                         goto end;
2810                         }
2811
2812                 /* else we have data */
2813                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2814                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2815                         {
2816                         char *p;
2817                         X509 *peer;
2818                         STACK_OF(SSL_CIPHER) *sk;
2819                         static const char *space="                          ";
2820
2821                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2822                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2823                         BIO_puts(io,"<pre>\n");
2824 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2825                         BIO_puts(io,"\n");
2826                         for (i=0; i<local_argc; i++)
2827                                 {
2828                                 BIO_puts(io,local_argv[i]);
2829                                 BIO_write(io," ",1);
2830                                 }
2831                         BIO_puts(io,"\n");
2832
2833                         BIO_printf(io,
2834                                 "Secure Renegotiation IS%s supported\n",
2835                                 SSL_get_secure_renegotiation_support(con) ?
2836                                                         "" : " NOT");
2837
2838                         /* The following is evil and should not really
2839                          * be done */
2840                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2841                         sk=SSL_get_ciphers(con);
2842                         j=sk_SSL_CIPHER_num(sk);
2843                         for (i=0; i<j; i++)
2844                                 {
2845                                 c=sk_SSL_CIPHER_value(sk,i);
2846                                 BIO_printf(io,"%-11s:%-25s",
2847                                         SSL_CIPHER_get_version(c),
2848                                         SSL_CIPHER_get_name(c));
2849                                 if ((((i+1)%2) == 0) && (i+1 != j))
2850                                         BIO_puts(io,"\n");
2851                                 }
2852                         BIO_puts(io,"\n");
2853                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2854                         if (p != NULL)
2855                                 {
2856                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2857                                 j=i=0;
2858                                 while (*p)
2859                                         {
2860                                         if (*p == ':')
2861                                                 {
2862                                                 BIO_write(io,space,26-j);
2863                                                 i++;
2864                                                 j=0;
2865                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2866                                                 }
2867                                         else
2868                                                 {
2869                                                 BIO_write(io,p,1);
2870                                                 j++;
2871                                                 }
2872                                         p++;
2873                                         }
2874                                 BIO_puts(io,"\n");
2875                                 }
2876                         ssl_print_sigalgs(io, con);
2877                         ssl_print_curves(io, con);
2878                         BIO_printf(io,(SSL_cache_hit(con)
2879                                 ?"---\nReused, "
2880                                 :"---\nNew, "));
2881                         c=SSL_get_current_cipher(con);
2882                         BIO_printf(io,"%s, Cipher is %s\n",
2883                                 SSL_CIPHER_get_version(c),
2884                                 SSL_CIPHER_get_name(c));
2885                         SSL_SESSION_print(io,SSL_get_session(con));
2886                         BIO_printf(io,"---\n");
2887                         print_stats(io,SSL_get_SSL_CTX(con));
2888                         BIO_printf(io,"---\n");
2889                         peer=SSL_get_peer_certificate(con);
2890                         if (peer != NULL)
2891                                 {
2892                                 BIO_printf(io,"Client certificate\n");
2893                                 X509_print(io,peer);
2894                                 PEM_write_bio_X509(io,peer);
2895                                 }
2896                         else
2897                                 BIO_puts(io,"no client certificate available\n");
2898                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2899                         break;
2900                         }
2901                 else if ((www == 2 || www == 3)
2902                          && (strncmp("GET /",buf,5) == 0))
2903                         {
2904                         BIO *file;
2905                         char *p,*e;
2906                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2907
2908                         /* skip the '/' */
2909                         p= &(buf[5]);
2910
2911                         dot = 1;
2912                         for (e=p; *e != '\0'; e++)
2913                                 {
2914                                 if (e[0] == ' ')
2915                                         break;
2916
2917                                 switch (dot)
2918                                         {
2919                                 case 1:
2920                                         dot = (e[0] == '.') ? 2 : 0;
2921                                         break;
2922                                 case 2:
2923                                         dot = (e[0] == '.') ? 3 : 0;
2924                                         break;
2925                                 case 3:
2926                                         dot = (e[0] == '/') ? -1 : 0;
2927                                         break;
2928                                         }
2929                                 if (dot == 0)
2930                                         dot = (e[0] == '/') ? 1 : 0;
2931                                 }
2932                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2933
2934                         if (*e == '\0')
2935                                 {
2936                                 BIO_puts(io,text);
2937                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2938                                 break;
2939                                 }
2940                         *e='\0';
2941
2942                         if (dot)
2943                                 {
2944                                 BIO_puts(io,text);
2945                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2946                                 break;
2947                                 }
2948
2949                         if (*p == '/')
2950                                 {
2951                                 BIO_puts(io,text);
2952                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2953                                 break;
2954                                 }
2955
2956 #if 0
2957                         /* append if a directory lookup */
2958                         if (e[-1] == '/')
2959                                 strcat(p,"index.html");
2960 #endif
2961
2962                         /* if a directory, do the index thang */
2963                         if (app_isdir(p)>0)
2964                                 {
2965 #if 0 /* must check buffer size */
2966                                 strcat(p,"/index.html");
2967 #else
2968                                 BIO_puts(io,text);
2969                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2970                                 break;
2971 #endif
2972                                 }
2973
2974                         if ((file=BIO_new_file(p,"r")) == NULL)
2975                                 {
2976                                 BIO_puts(io,text);
2977                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2978                                 ERR_print_errors(io);
2979                                 break;
2980                                 }
2981
2982                         if (!s_quiet)
2983                                 BIO_printf(bio_err,"FILE:%s\n",p);
2984
2985                         if (www == 2)
2986                                 {
2987                                 i=strlen(p);
2988                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2989                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2990                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2991                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2992                                 else
2993                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2994                                 }
2995                         /* send the file */
2996                         for (;;)
2997                                 {
2998                                 i=BIO_read(file,buf,bufsize);
2999                                 if (i <= 0) break;
3000
3001 #ifdef RENEG
3002                                 total_bytes+=i;
3003                                 fprintf(stderr,"%d\n",i);
3004                                 if (total_bytes > 3*1024)
3005                                         {
3006                                         total_bytes=0;
3007                                         fprintf(stderr,"RENEGOTIATE\n");
3008                                         SSL_renegotiate(con);
3009                                         }
3010 #endif
3011
3012                                 for (j=0; j<i; )
3013                                         {
3014 #ifdef RENEG
3015 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3016 #endif
3017                                         k=BIO_write(io,&(buf[j]),i-j);
3018                                         if (k <= 0)
3019                                                 {
3020                                                 if (!BIO_should_retry(io))
3021                                                         goto write_error;
3022                                                 else
3023                                                         {
3024                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3025                                                         }
3026                                                 }
3027                                         else
3028                                                 {
3029                                                 j+=k;
3030                                                 }
3031                                         }
3032                                 }
3033 write_error:
3034                         BIO_free(file);
3035                         break;
3036                         }
3037                 }
3038
3039         for (;;)
3040                 {
3041                 i=(int)BIO_flush(io);
3042                 if (i <= 0)
3043                         {
3044                         if (!BIO_should_retry(io))
3045                                 break;
3046                         }
3047                 else
3048                         break;
3049                 }
3050 end:
3051 #if 1
3052         /* make sure we re-use sessions */
3053         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3054 #else
3055         /* This kills performance */
3056 /*      SSL_shutdown(con); A shutdown gets sent in the
3057  *      BIO_free_all(io) procession */
3058 #endif
3059
3060 err:
3061
3062         if (ret >= 0)
3063                 BIO_printf(bio_s_out,"ACCEPT\n");
3064
3065         if (buf != NULL) OPENSSL_free(buf);
3066         if (io != NULL) BIO_free_all(io);
3067 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3068         return(ret);
3069         }
3070
3071 #ifndef OPENSSL_NO_RSA
3072 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3073         {
3074         BIGNUM *bn = NULL;
3075         static RSA *rsa_tmp=NULL;
3076
3077         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3078                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3079         if (!rsa_tmp && bn)
3080                 {
3081                 if (!s_quiet)
3082                         {
3083                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3084                         (void)BIO_flush(bio_err);
3085                         }
3086                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3087                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3088                         {
3089                         if(rsa_tmp) RSA_free(rsa_tmp);
3090                         rsa_tmp = NULL;
3091                         }
3092                 if (!s_quiet)
3093                         {
3094                         BIO_printf(bio_err,"\n");
3095                         (void)BIO_flush(bio_err);
3096                         }
3097                 BN_free(bn);
3098                 }
3099         return(rsa_tmp);
3100         }
3101 #endif
3102
3103 #define MAX_SESSION_ID_ATTEMPTS 10
3104 static int generate_session_id(const SSL *ssl, unsigned char *id,
3105                                 unsigned int *id_len)
3106         {
3107         unsigned int count = 0;
3108         do      {
3109                 RAND_pseudo_bytes(id, *id_len);
3110                 /* Prefix the session_id with the required prefix. NB: If our
3111                  * prefix is too long, clip it - but there will be worse effects
3112                  * anyway, eg. the server could only possibly create 1 session
3113                  * ID (ie. the prefix!) so all future session negotiations will
3114                  * fail due to conflicts. */
3115                 memcpy(id, session_id_prefix,
3116                         (strlen(session_id_prefix) < *id_len) ?
3117                         strlen(session_id_prefix) : *id_len);
3118                 }
3119         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3120                 (++count < MAX_SESSION_ID_ATTEMPTS));
3121         if(count >= MAX_SESSION_ID_ATTEMPTS)
3122                 return 0;
3123         return 1;
3124         }
3125
3126 static int ssl_load_stores(SSL_CTX *sctx,
3127                         const char *vfyCApath, const char *vfyCAfile,
3128                         const char *chCApath, const char *chCAfile)
3129         {
3130         X509_STORE *vfy = NULL, *ch = NULL;
3131         int rv = 0;
3132         if (vfyCApath || vfyCAfile)
3133                 {
3134                 vfy = X509_STORE_new();
3135                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3136                         goto err;
3137                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3138                 }
3139         if (chCApath || chCAfile)
3140                 {
3141                 ch = X509_STORE_new();
3142                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3143                         goto err;
3144                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3145                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3146                 }
3147         rv = 1;
3148         err:
3149         if (vfy)
3150                 X509_STORE_free(vfy);
3151         if (ch)
3152                 X509_STORE_free(ch);
3153         return rv;
3154         }