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 static char *curves=NULL;
 277 static char *sigalgs=NULL;
 278 static char *client_sigalgs=NULL;
 279 #endif
 280 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 281 #ifdef FIONBIO
 282 static int s_nbio=0;
 283 #endif
 284 static int s_nbio_test=0;
 285 int s_crlf=0;
 286 static SSL_CTX *ctx=NULL;
 287 #ifndef OPENSSL_NO_TLSEXT
 288 static SSL_CTX *ctx2=NULL;
 289 #endif
 290 static int www=0;
 291
 292 static BIO *bio_s_out=NULL;
 293 static int s_debug=0;
 294 #ifndef OPENSSL_NO_TLSEXT
 295 static int s_tlsextdebug=0;
 296 static int s_tlsextstatus=0;
 297 static int cert_status_cb(SSL *s, void *arg);
 298 #endif
 299 static int s_msg=0;
 300 static int s_quiet=0;
 301
 302 static char *keymatexportlabel=NULL;
 303 static int keymatexportlen=20;
 304
 305 static int hack=0;
 306 #ifndef OPENSSL_NO_ENGINE
 307 static char *engine_id=NULL;
 308 #endif
 309 static const char *session_id_prefix=NULL;
 310
 311 static int enable_timeouts = 0;
 312 static long socket_mtu;
 313 #ifndef OPENSSL_NO_DTLS1
 314 static int cert_chain = 0;
 315 #endif
 316
 317 #ifndef OPENSSL_NO_TLSEXT
 318 static BIO *authz_in = NULL;
 319 static const char *s_authz_file = NULL;
 320 #endif
 321
 322 #ifndef OPENSSL_NO_PSK
 323 static char *psk_identity="Client_identity";
 324 char *psk_key=NULL; /* by default PSK is not used */
 325
 326 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 327         unsigned char *psk, unsigned int max_psk_len)
 328         {
 329         unsigned int psk_len = 0;
 330         int ret;
 331         BIGNUM *bn = NULL;
 332
 333         if (s_debug)
 334                 BIO_printf(bio_s_out,"psk_server_cb\n");
 335         if (!identity)
 336                 {
 337                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 338                 goto out_err;
 339                 }
 340         if (s_debug)
 341                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 342                         identity ? (int)strlen(identity) : 0, identity);
 343
 344         /* here we could lookup the given identity e.g. from a database */
 345         if (strcmp(identity, psk_identity) != 0)
 346                 {
 347                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 348                            " (got '%s' expected '%s')\n", identity,
 349                            psk_identity);
 350                 goto out_err;
 351                 }
 352         if (s_debug)
 353                 BIO_printf(bio_s_out, "PSK client identity found\n");
 354
 355         /* convert the PSK key to binary */
 356         ret = BN_hex2bn(&bn, psk_key);
 357         if (!ret)
 358                 {
 359                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 360                 if (bn)
 361                         BN_free(bn);
 362                 return 0;
 363                 }
 364         if (BN_num_bytes(bn) > (int)max_psk_len)
 365                 {
 366                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 367                         max_psk_len, BN_num_bytes(bn));
 368                 BN_free(bn);
 369                 return 0;
 370                 }
 371
 372         ret = BN_bn2bin(bn, psk);
 373         BN_free(bn);
 374
 375         if (ret < 0)
 376                 goto out_err;
 377         psk_len = (unsigned int)ret;
 378
 379         if (s_debug)
 380                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 381         return psk_len;
 382  out_err:
 383         if (s_debug)
 384                 BIO_printf(bio_err, "Error in PSK server callback\n");
 385         return 0;
 386         }
 387 #endif
 388
 389 #ifndef OPENSSL_NO_SRP
 390 /* This is a context that we pass to callbacks */
 391 typedef struct srpsrvparm_st
 392         {
 393         char *login;
 394         SRP_VBASE *vb;
 395         SRP_user_pwd *user;
 396         } srpsrvparm;
 397
 398 /* This callback pretends to require some asynchronous logic in order to obtain
 399    a verifier. When the callback is called for a new connection we return
 400    with a negative value. This will provoke the accept etc to return with
 401    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 402    (which would normally occur after a worker has finished) and we
 403    set the user parameters.
 404 */
 405 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 406         {
 407         srpsrvparm *p = (srpsrvparm *)arg;
 408         if (p->login == NULL && p->user == NULL )
 409                 {
 410                 p->login = SSL_get_srp_username(s);
 411                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 412                 return (-1) ;
 413                 }
 414
 415         if (p->user == NULL)
 416                 {
 417                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 418                 return SSL3_AL_FATAL;
 419                 }
 420         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 421                                      p->user->info) < 0)
 422                 {
 423                 *ad = SSL_AD_INTERNAL_ERROR;
 424                 return SSL3_AL_FATAL;
 425                 }
 426         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 427         /* need to check whether there are memory leaks */
 428         p->user = NULL;
 429         p->login = NULL;
 430         return SSL_ERROR_NONE;
 431         }
 432
 433 #endif
 434
 435 #ifdef MONOLITH
 436 static void s_server_init(void)
 437         {
 438         accept_socket=-1;
 439         cipher=NULL;
 440         s_server_verify=SSL_VERIFY_NONE;
 441         s_dcert_file=NULL;
 442         s_dkey_file=NULL;
 443         s_dchain_file=NULL;
 444         s_cert_file=TEST_CERT;
 445         s_key_file=NULL;
 446         s_chain_file=NULL;
 447 #ifndef OPENSSL_NO_TLSEXT
 448         curves=NULL;
 449         s_cert_file2=TEST_CERT2;
 450         s_key_file2=NULL;
 451         ctx2=NULL;
 452 #endif
 453 #ifdef FIONBIO
 454         s_nbio=0;
 455 #endif
 456         s_nbio_test=0;
 457         ctx=NULL;
 458         www=0;
 459
 460         bio_s_out=NULL;
 461         s_debug=0;
 462         s_msg=0;
 463         s_quiet=0;
 464         hack=0;
 465 #ifndef OPENSSL_NO_ENGINE
 466         engine_id=NULL;
 467 #endif
 468         }
 469 #endif
 470
 471 static void sv_usage(void)
 472         {
 473         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 474         BIO_printf(bio_err,"\n");
 475         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 476         BIO_printf(bio_err," -context arg  - set session ID context\n");
 477         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 478         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 479         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 480         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 481         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 482         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 483                            "                 The CRL(s) are appended to the certificate file\n");
 484         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 485                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 486                            "                 the certificate file.\n");
 487         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 488         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 489         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 490         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 491         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 492         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 493         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 494         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 495         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 496         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 497         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 498         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 499 #ifndef OPENSSL_NO_ECDH
 500         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 501                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 502                            "                 (default is nistp256).\n");
 503 #endif
 504 #ifdef FIONBIO
 505         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 506 #endif
 507         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 508         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 509         BIO_printf(bio_err," -debug        - Print more output\n");
 510         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 511         BIO_printf(bio_err," -state        - Print the SSL states\n");
 512         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 513         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 514         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 515         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 516         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 517         BIO_printf(bio_err," -quiet        - No server output\n");
 518         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 519 #ifndef OPENSSL_NO_PSK
 520         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 521         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 522 # ifndef OPENSSL_NO_JPAKE
 523         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 524 # endif
 525 #endif
 526 #ifndef OPENSSL_NO_SRP
 527         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 528         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 529 #endif
 530         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 531         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 532         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 533         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 534         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 535         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 536         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 537         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 538         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 539         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 540         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 541         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 542         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 543         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 544 #ifndef OPENSSL_NO_DH
 545         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 546 #endif
 547 #ifndef OPENSSL_NO_ECDH
 548         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 549 #endif
 550         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 551         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 552         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 553         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 554         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 555 #ifndef OPENSSL_NO_ENGINE
 556         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 557 #endif
 558         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 559         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 560 #ifndef OPENSSL_NO_TLSEXT
 561         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 562         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 563         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 564         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 565         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 566         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 567         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 568         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 569         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 570 # ifndef OPENSSL_NO_NEXTPROTONEG
 571         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 572 # endif
 573         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 574 #endif
 575         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 576         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 577         }
 578
 579 static int local_argc=0;
 580 static char **local_argv;
 581
 582 #ifdef CHARSET_EBCDIC
 583 static int ebcdic_new(BIO *bi);
 584 static int ebcdic_free(BIO *a);
 585 static int ebcdic_read(BIO *b, char *out, int outl);
 586 static int ebcdic_write(BIO *b, const char *in, int inl);
 587 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 588 static int ebcdic_gets(BIO *bp, char *buf, int size);
 589 static int ebcdic_puts(BIO *bp, const char *str);
 590
 591 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 592 static BIO_METHOD methods_ebcdic=
 593         {
 594         BIO_TYPE_EBCDIC_FILTER,
 595         "EBCDIC/ASCII filter",
 596         ebcdic_write,
 597         ebcdic_read,
 598         ebcdic_puts,
 599         ebcdic_gets,
 600         ebcdic_ctrl,
 601         ebcdic_new,
 602         ebcdic_free,
 603         };
 604
 605 typedef struct
 606 {
 607         size_t  alloced;
 608         char    buff[1];
 609 } EBCDIC_OUTBUFF;
 610
 611 BIO_METHOD *BIO_f_ebcdic_filter()
 612 {
 613         return(&methods_ebcdic);
 614 }
 615
 616 static int ebcdic_new(BIO *bi)
 617 {
 618         EBCDIC_OUTBUFF *wbuf;
 619
 620         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 621         wbuf->alloced = 1024;
 622         wbuf->buff[0] = '\0';
 623
 624         bi->ptr=(char *)wbuf;
 625         bi->init=1;
 626         bi->flags=0;
 627         return(1);
 628 }
 629
 630 static int ebcdic_free(BIO *a)
 631 {
 632         if (a == NULL) return(0);
 633         if (a->ptr != NULL)
 634                 OPENSSL_free(a->ptr);
 635         a->ptr=NULL;
 636         a->init=0;
 637         a->flags=0;
 638         return(1);
 639 }
 640
 641 static int ebcdic_read(BIO *b, char *out, int outl)
 642 {
 643         int ret=0;
 644
 645         if (out == NULL || outl == 0) return(0);
 646         if (b->next_bio == NULL) return(0);
 647
 648         ret=BIO_read(b->next_bio,out,outl);
 649         if (ret > 0)
 650                 ascii2ebcdic(out,out,ret);
 651         return(ret);
 652 }
 653
 654 static int ebcdic_write(BIO *b, const char *in, int inl)
 655 {
 656         EBCDIC_OUTBUFF *wbuf;
 657         int ret=0;
 658         int num;
 659         unsigned char n;
 660
 661         if ((in == NULL) || (inl <= 0)) return(0);
 662         if (b->next_bio == NULL) return(0);
 663
 664         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 665
 666         if (inl > (num = wbuf->alloced))
 667         {
 668                 num = num + num;  /* double the size */
 669                 if (num < inl)
 670                         num = inl;
 671                 OPENSSL_free(wbuf);
 672                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 673
 674                 wbuf->alloced = num;
 675                 wbuf->buff[0] = '\0';
 676
 677                 b->ptr=(char *)wbuf;
 678         }
 679
 680         ebcdic2ascii(wbuf->buff, in, inl);
 681
 682         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 683
 684         return(ret);
 685 }
 686
 687 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 688 {
 689         long ret;
 690
 691         if (b->next_bio == NULL) return(0);
 692         switch (cmd)
 693         {
 694         case BIO_CTRL_DUP:
 695                 ret=0L;
 696                 break;
 697         default:
 698                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 699                 break;
 700         }
 701         return(ret);
 702 }
 703
 704 static int ebcdic_gets(BIO *bp, char *buf, int size)
 705 {
 706         int i, ret=0;
 707         if (bp->next_bio == NULL) return(0);
 708 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 709         for (i=0; i<size-1; ++i)
 710         {
 711                 ret = ebcdic_read(bp,&buf[i],1);
 712                 if (ret <= 0)
 713                         break;
 714                 else if (buf[i] == '\n')
 715                 {
 716                         ++i;
 717                         break;
 718                 }
 719         }
 720         if (i < size)
 721                 buf[i] = '\0';
 722         return (ret < 0 && i == 0) ? ret : i;
 723 }
 724
 725 static int ebcdic_puts(BIO *bp, const char *str)
 726 {
 727         if (bp->next_bio == NULL) return(0);
 728         return ebcdic_write(bp, str, strlen(str));
 729 }
 730 #endif
 731
 732 #ifndef OPENSSL_NO_TLSEXT
 733
 734 /* This is a context that we pass to callbacks */
 735 typedef struct tlsextctx_st {
 736    char * servername;
 737    BIO * biodebug;
 738    int extension_error;
 739 } tlsextctx;
 740
 741
 742 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 743         {
 744         tlsextctx * p = (tlsextctx *) arg;
 745         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 746         if (servername && p->biodebug)
 747                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 748
 749         if (!p->servername)
 750                 return SSL_TLSEXT_ERR_NOACK;
 751
 752         if (servername)
 753                 {
 754                 if (strcmp(servername,p->servername))
 755                         return p->extension_error;
 756                 if (ctx2)
 757                         {
 758                         BIO_printf(p->biodebug,"Switching server context.\n");
 759                         SSL_set_SSL_CTX(s,ctx2);
 760                         }
 761                 }
 762         return SSL_TLSEXT_ERR_OK;
 763 }
 764
 765 /* Structure passed to cert status callback */
 766
 767 typedef struct tlsextstatusctx_st {
 768    /* Default responder to use */
 769    char *host, *path, *port;
 770    int use_ssl;
 771    int timeout;
 772    BIO *err;
 773    int verbose;
 774 } tlsextstatusctx;
 775
 776 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 777
 778 /* Certificate Status callback. This is called when a client includes a
 779  * certificate status request extension.
 780  *
 781  * This is a simplified version. It examines certificates each time and
 782  * makes one OCSP responder query for each request.
 783  *
 784  * A full version would store details such as the OCSP certificate IDs and
 785  * minimise the number of OCSP responses by caching them until they were
 786  * considered "expired".
 787  */
 788
 789 static int cert_status_cb(SSL *s, void *arg)
 790         {
 791         tlsextstatusctx *srctx = arg;
 792         BIO *err = srctx->err;
 793         char *host, *port, *path;
 794         int use_ssl;
 795         unsigned char *rspder = NULL;
 796         int rspderlen;
 797         STACK_OF(OPENSSL_STRING) *aia = NULL;
 798         X509 *x = NULL;
 799         X509_STORE_CTX inctx;
 800         X509_OBJECT obj;
 801         OCSP_REQUEST *req = NULL;
 802         OCSP_RESPONSE *resp = NULL;
 803         OCSP_CERTID *id = NULL;
 804         STACK_OF(X509_EXTENSION) *exts;
 805         int ret = SSL_TLSEXT_ERR_NOACK;
 806         int i;
 807 #if 0
 808 STACK_OF(OCSP_RESPID) *ids;
 809 SSL_get_tlsext_status_ids(s, &ids);
 810 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 811 #endif
 812         if (srctx->verbose)
 813                 BIO_puts(err, "cert_status: callback called\n");
 814         /* Build up OCSP query from server certificate */
 815         x = SSL_get_certificate(s);
 816         aia = X509_get1_ocsp(x);
 817         if (aia)
 818                 {
 819                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 820                         &host, &port, &path, &use_ssl))
 821                         {
 822                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 823                         goto err;
 824                         }
 825                 if (srctx->verbose)
 826                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 827                                         sk_OPENSSL_STRING_value(aia, 0));
 828                 }
 829         else
 830                 {
 831                 if (!srctx->host)
 832                         {
 833                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 834                         goto done;
 835                         }
 836                 host = srctx->host;
 837                 path = srctx->path;
 838                 port = srctx->port;
 839                 use_ssl = srctx->use_ssl;
 840                 }
 841
 842         if (!X509_STORE_CTX_init(&inctx,
 843                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 844                                 NULL, NULL))
 845                 goto err;
 846         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 847                                 X509_get_issuer_name(x),&obj) <= 0)
 848                 {
 849                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 850                 X509_STORE_CTX_cleanup(&inctx);
 851                 goto done;
 852                 }
 853         req = OCSP_REQUEST_new();
 854         if (!req)
 855                 goto err;
 856         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 857         X509_free(obj.data.x509);
 858         X509_STORE_CTX_cleanup(&inctx);
 859         if (!id)
 860                 goto err;
 861         if (!OCSP_request_add0_id(req, id))
 862                 goto err;
 863         id = NULL;
 864         /* Add any extensions to the request */
 865         SSL_get_tlsext_status_exts(s, &exts);
 866         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 867                 {
 868                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 869                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 870                         goto err;
 871                 }
 872         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 873                                         srctx->timeout);
 874         if (!resp)
 875                 {
 876                 BIO_puts(err, "cert_status: error querying responder\n");
 877                 goto done;
 878                 }
 879         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 880         if (rspderlen <= 0)
 881                 goto err;
 882         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 883         if (srctx->verbose)
 884                 {
 885                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 886                 OCSP_RESPONSE_print(err, resp, 2);
 887                 }
 888         ret = SSL_TLSEXT_ERR_OK;
 889         done:
 890         if (ret != SSL_TLSEXT_ERR_OK)
 891                 ERR_print_errors(err);
 892         if (aia)
 893                 {
 894                 OPENSSL_free(host);
 895                 OPENSSL_free(path);
 896                 OPENSSL_free(port);
 897                 X509_email_free(aia);
 898                 }
 899         if (id)
 900                 OCSP_CERTID_free(id);
 901         if (req)
 902                 OCSP_REQUEST_free(req);
 903         if (resp)
 904                 OCSP_RESPONSE_free(resp);
 905         return ret;
 906         err:
 907         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 908         goto done;
 909         }
 910
 911 # ifndef OPENSSL_NO_NEXTPROTONEG
 912 /* This is the context that we pass to next_proto_cb */
 913 typedef struct tlsextnextprotoctx_st {
 914         unsigned char *data;
 915         unsigned int len;
 916 } tlsextnextprotoctx;
 917
 918 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 919         {
 920         tlsextnextprotoctx *next_proto = arg;
 921
 922         *data = next_proto->data;
 923         *len = next_proto->len;
 924
 925         return SSL_TLSEXT_ERR_OK;
 926         }
 927 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 928
 929
 930 #endif
 931
 932 int MAIN(int, char **);
 933
 934 #ifndef OPENSSL_NO_JPAKE
 935 static char *jpake_secret = NULL;
 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,bugs=0;
 956         int ret=1;
 957         int off=0;
 958         unsigned int cert_flags = 0;
 959         int build_chain = 0;
 960         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 961         int state=0;
 962         const SSL_METHOD *meth=NULL;
 963         int socket_type=SOCK_STREAM;
 964         ENGINE *e=NULL;
 965         char *inrand=NULL;
 966         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 967         char *passarg = NULL, *pass = NULL;
 968         char *dpassarg = NULL, *dpass = NULL;
 969         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 970         X509 *s_cert = NULL, *s_dcert = NULL;
 971         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 972         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 973         int no_cache = 0;
 974 #ifndef OPENSSL_NO_TLSEXT
 975         EVP_PKEY *s_key2 = NULL;
 976         X509 *s_cert2 = NULL;
 977         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 978 # ifndef OPENSSL_NO_NEXTPROTONEG
 979         const char *next_proto_neg_in = NULL;
 980         tlsextnextprotoctx next_proto;
 981 # endif
 982 #endif
 983 #ifndef OPENSSL_NO_PSK
 984         /* by default do not send a PSK identity hint */
 985         static char *psk_identity_hint=NULL;
 986 #endif
 987 #ifndef OPENSSL_NO_SRP
 988         char *srpuserseed = NULL;
 989         char *srp_verifier_file = NULL;
 990 #endif
 991         SSL_EXCERT *exc = 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         verify_depth=0;
1009 #ifdef FIONBIO
1010         s_nbio=0;
1011 #endif
1012         s_nbio_test=0;
1013
1014         argc--;
1015         argv++;
1016
1017         while (argc >= 1)
1018                 {
1019                 if      ((strcmp(*argv,"-port") == 0) ||
1020                          (strcmp(*argv,"-accept") == 0))
1021                         {
1022                         if (--argc < 1) goto bad;
1023                         if (!extract_port(*(++argv),&port))
1024                                 goto bad;
1025                         }
1026                 else if (strcmp(*argv,"-verify") == 0)
1027                         {
1028                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1029                         if (--argc < 1) goto bad;
1030                         verify_depth=atoi(*(++argv));
1031                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1032                         }
1033                 else if (strcmp(*argv,"-Verify") == 0)
1034                         {
1035                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1036                                 SSL_VERIFY_CLIENT_ONCE;
1037                         if (--argc < 1) goto bad;
1038                         verify_depth=atoi(*(++argv));
1039                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1040                         }
1041                 else if (strcmp(*argv,"-context") == 0)
1042                         {
1043                         if (--argc < 1) goto bad;
1044                         context= (unsigned char *)*(++argv);
1045                         }
1046                 else if (strcmp(*argv,"-cert") == 0)
1047                         {
1048                         if (--argc < 1) goto bad;
1049                         s_cert_file= *(++argv);
1050                         }
1051 #ifndef OPENSSL_NO_TLSEXT
1052                 else if (strcmp(*argv,"-authz") == 0)
1053                         {
1054                         if (--argc < 1) goto bad;
1055                         s_authz_file = *(++argv);
1056                         }
1057 #endif
1058                 else if (strcmp(*argv,"-certform") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         s_cert_format = str2fmt(*(++argv));
1062                         }
1063                 else if (strcmp(*argv,"-key") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         s_key_file= *(++argv);
1067                         }
1068                 else if (strcmp(*argv,"-keyform") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         s_key_format = str2fmt(*(++argv));
1072                         }
1073                 else if (strcmp(*argv,"-pass") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         passarg = *(++argv);
1077                         }
1078                 else if (strcmp(*argv,"-cert_chain") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_chain_file= *(++argv);
1082                         }
1083                 else if (strcmp(*argv,"-dhparam") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         dhfile = *(++argv);
1087                         }
1088 #ifndef OPENSSL_NO_ECDH
1089                 else if (strcmp(*argv,"-named_curve") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         named_curve = *(++argv);
1093                         }
1094 #endif
1095                 else if (strcmp(*argv,"-dcertform") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         s_dcert_format = str2fmt(*(++argv));
1099                         }
1100                 else if (strcmp(*argv,"-dcert") == 0)
1101                         {
1102                         if (--argc < 1) goto bad;
1103                         s_dcert_file= *(++argv);
1104                         }
1105                 else if (strcmp(*argv,"-dkeyform") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dkey_format = str2fmt(*(++argv));
1109                         }
1110                 else if (strcmp(*argv,"-dpass") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         dpassarg = *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-dkey") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         s_dkey_file= *(++argv);
1119                         }
1120                 else if (strcmp(*argv,"-dcert_chain") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         s_dchain_file= *(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-nocert") == 0)
1126                         {
1127                         nocert=1;
1128                         }
1129                 else if (strcmp(*argv,"-CApath") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         CApath= *(++argv);
1133                         }
1134                 else if (strcmp(*argv,"-chainCApath") == 0)
1135                         {
1136                         if (--argc < 1) goto bad;
1137                         chCApath= *(++argv);
1138                         }
1139                 else if (strcmp(*argv,"-verifyCApath") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         vfyCApath= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-no_cache") == 0)
1145                         no_cache = 1;
1146                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1147                         {
1148                         if (badarg)
1149                                 goto bad;
1150                         continue;
1151                         }
1152                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1153                         {
1154                         if (badarg)
1155                                 goto bad;
1156                         continue;
1157                         }
1158                 else if (strcmp(*argv,"-verify_return_error") == 0)
1159                         verify_return_error = 1;
1160                 else if (strcmp(*argv,"-serverpref") == 0)
1161                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1162                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1163                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1164                 else if (strcmp(*argv,"-cipher") == 0)
1165                         {
1166                         if (--argc < 1) goto bad;
1167                         cipher= *(++argv);
1168                         }
1169                 else if (strcmp(*argv,"-build_chain") == 0)
1170                         build_chain = 1;
1171                 else if (strcmp(*argv,"-CAfile") == 0)
1172                         {
1173                         if (--argc < 1) goto bad;
1174                         CAfile= *(++argv);
1175                         }
1176                 else if (strcmp(*argv,"-chainCAfile") == 0)
1177                         {
1178                         if (--argc < 1) goto bad;
1179                         chCAfile= *(++argv);
1180                         }
1181                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1182                         {
1183                         if (--argc < 1) goto bad;
1184                         vfyCAfile= *(++argv);
1185                         }
1186 #ifdef FIONBIO
1187                 else if (strcmp(*argv,"-nbio") == 0)
1188                         { s_nbio=1; }
1189 #endif
1190                 else if (strcmp(*argv,"-nbio_test") == 0)
1191                         {
1192 #ifdef FIONBIO
1193                         s_nbio=1;
1194 #endif
1195                         s_nbio_test=1;
1196                         }
1197                 else if (strcmp(*argv,"-debug") == 0)
1198                         { s_debug=1; }
1199 #ifndef OPENSSL_NO_TLSEXT
1200                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1201                         s_tlsextdebug=1;
1202                 else if (strcmp(*argv,"-status") == 0)
1203                         s_tlsextstatus=1;
1204                 else if (strcmp(*argv,"-status_verbose") == 0)
1205                         {
1206                         s_tlsextstatus=1;
1207                         tlscstatp.verbose = 1;
1208                         }
1209                 else if (!strcmp(*argv, "-status_timeout"))
1210                         {
1211                         s_tlsextstatus=1;
1212                         if (--argc < 1) goto bad;
1213                         tlscstatp.timeout = atoi(*(++argv));
1214                         }
1215                 else if (!strcmp(*argv, "-status_url"))
1216                         {
1217                         s_tlsextstatus=1;
1218                         if (--argc < 1) goto bad;
1219                         if (!OCSP_parse_url(*(++argv),
1220                                         &tlscstatp.host,
1221                                         &tlscstatp.port,
1222                                         &tlscstatp.path,
1223                                         &tlscstatp.use_ssl))
1224                                 {
1225                                 BIO_printf(bio_err, "Error parsing URL\n");
1226                                 goto bad;
1227                                 }
1228                         }
1229                 else if (strcmp(*argv,"-curves") == 0)
1230                         {
1231                         if (--argc < 1) goto bad;
1232                         curves= *(++argv);
1233                         }
1234                 else if (strcmp(*argv,"-sigalgs") == 0)
1235                         {
1236                         if (--argc < 1) goto bad;
1237                         sigalgs= *(++argv);
1238                         }
1239                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1240                         {
1241                         if (--argc < 1) goto bad;
1242                         client_sigalgs= *(++argv);
1243                         }
1244 #endif
1245                 else if (strcmp(*argv,"-msg") == 0)
1246                         { s_msg=1; }
1247                 else if (strcmp(*argv,"-hack") == 0)
1248                         { hack=1; }
1249                 else if (strcmp(*argv,"-state") == 0)
1250                         { state=1; }
1251                 else if (strcmp(*argv,"-crlf") == 0)
1252                         { s_crlf=1; }
1253                 else if (strcmp(*argv,"-quiet") == 0)
1254                         { s_quiet=1; }
1255                 else if (strcmp(*argv,"-bugs") == 0)
1256                         { bugs=1; }
1257                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1258                         { no_tmp_rsa=1; }
1259                 else if (strcmp(*argv,"-no_dhe") == 0)
1260                         { no_dhe=1; }
1261                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1262                         { no_ecdhe=1; }
1263 #ifndef OPENSSL_NO_PSK
1264                 else if (strcmp(*argv,"-psk_hint") == 0)
1265                         {
1266                         if (--argc < 1) goto bad;
1267                         psk_identity_hint= *(++argv);
1268                         }
1269                 else if (strcmp(*argv,"-psk") == 0)
1270                         {
1271                         size_t i;
1272
1273                         if (--argc < 1) goto bad;
1274                         psk_key=*(++argv);
1275                         for (i=0; i<strlen(psk_key); i++)
1276                                 {
1277                                 if (isxdigit((unsigned char)psk_key[i]))
1278                                         continue;
1279                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1280                                 goto bad;
1281                                 }
1282                         }
1283 #endif
1284 #ifndef OPENSSL_NO_SRP
1285                 else if (strcmp(*argv, "-srpvfile") == 0)
1286                         {
1287                         if (--argc < 1) goto bad;
1288                         srp_verifier_file = *(++argv);
1289                         meth = TLSv1_server_method();
1290                         }
1291                 else if (strcmp(*argv, "-srpuserseed") == 0)
1292                         {
1293                         if (--argc < 1) goto bad;
1294                         srpuserseed = *(++argv);
1295                         meth = TLSv1_server_method();
1296                         }
1297 #endif
1298                 else if (strcmp(*argv,"-www") == 0)
1299                         { www=1; }
1300                 else if (strcmp(*argv,"-WWW") == 0)
1301                         { www=2; }
1302                 else if (strcmp(*argv,"-HTTP") == 0)
1303                         { www=3; }
1304                 else if (strcmp(*argv,"-no_ssl2") == 0)
1305                         { off|=SSL_OP_NO_SSLv2; }
1306                 else if (strcmp(*argv,"-no_ssl3") == 0)
1307                         { off|=SSL_OP_NO_SSLv3; }
1308                 else if (strcmp(*argv,"-no_tls1") == 0)
1309                         { off|=SSL_OP_NO_TLSv1; }
1310                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1311                         { off|=SSL_OP_NO_TLSv1_1; }
1312                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1313                         { off|=SSL_OP_NO_TLSv1_2; }
1314                 else if (strcmp(*argv,"-no_comp") == 0)
1315                         { off|=SSL_OP_NO_COMPRESSION; }
1316 #ifndef OPENSSL_NO_TLSEXT
1317                 else if (strcmp(*argv,"-no_ticket") == 0)
1318                         { off|=SSL_OP_NO_TICKET; }
1319 #endif
1320 #ifndef OPENSSL_NO_SSL2
1321                 else if (strcmp(*argv,"-ssl2") == 0)
1322                         { meth=SSLv2_server_method(); }
1323 #endif
1324 #ifndef OPENSSL_NO_SSL3
1325                 else if (strcmp(*argv,"-ssl3") == 0)
1326                         { meth=SSLv3_server_method(); }
1327 #endif
1328 #ifndef OPENSSL_NO_TLS1
1329                 else if (strcmp(*argv,"-tls1") == 0)
1330                         { meth=TLSv1_server_method(); }
1331                 else if (strcmp(*argv,"-tls1_1") == 0)
1332                         { meth=TLSv1_1_server_method(); }
1333                 else if (strcmp(*argv,"-tls1_2") == 0)
1334                         { meth=TLSv1_2_server_method(); }
1335 #endif
1336 #ifndef OPENSSL_NO_DTLS1
1337                 else if (strcmp(*argv,"-dtls1") == 0)
1338                         {
1339                         meth=DTLSv1_server_method();
1340                         socket_type = SOCK_DGRAM;
1341                         }
1342                 else if (strcmp(*argv,"-timeout") == 0)
1343                         enable_timeouts = 1;
1344                 else if (strcmp(*argv,"-mtu") == 0)
1345                         {
1346                         if (--argc < 1) goto bad;
1347                         socket_mtu = atol(*(++argv));
1348                         }
1349                 else if (strcmp(*argv, "-chain") == 0)
1350                         cert_chain = 1;
1351 #endif
1352                 else if (strcmp(*argv, "-id_prefix") == 0)
1353                         {
1354                         if (--argc < 1) goto bad;
1355                         session_id_prefix = *(++argv);
1356                         }
1357 #ifndef OPENSSL_NO_ENGINE
1358                 else if (strcmp(*argv,"-engine") == 0)
1359                         {
1360                         if (--argc < 1) goto bad;
1361                         engine_id= *(++argv);
1362                         }
1363 #endif
1364                 else if (strcmp(*argv,"-rand") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         inrand= *(++argv);
1368                         }
1369 #ifndef OPENSSL_NO_TLSEXT
1370                 else if (strcmp(*argv,"-servername") == 0)
1371                         {
1372                         if (--argc < 1) goto bad;
1373                         tlsextcbp.servername= *(++argv);
1374                         }
1375                 else if (strcmp(*argv,"-servername_fatal") == 0)
1376                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1377                 else if (strcmp(*argv,"-cert2") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         s_cert_file2= *(++argv);
1381                         }
1382                 else if (strcmp(*argv,"-key2") == 0)
1383                         {
1384                         if (--argc < 1) goto bad;
1385                         s_key_file2= *(++argv);
1386                         }
1387 # ifndef OPENSSL_NO_NEXTPROTONEG
1388                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1389                         {
1390                         if (--argc < 1) goto bad;
1391                         next_proto_neg_in = *(++argv);
1392                         }
1393 # endif
1394 #endif
1395 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1396                 else if (strcmp(*argv,"-jpake") == 0)
1397                         {
1398                         if (--argc < 1) goto bad;
1399                         jpake_secret = *(++argv);
1400                         }
1401 #endif
1402                 else if (strcmp(*argv,"-use_srtp") == 0)
1403                         {
1404                         if (--argc < 1) goto bad;
1405                         srtp_profiles = *(++argv);
1406                         }
1407                 else if (strcmp(*argv,"-keymatexport") == 0)
1408                         {
1409                         if (--argc < 1) goto bad;
1410                         keymatexportlabel= *(++argv);
1411                         }
1412                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1413                         {
1414                         if (--argc < 1) goto bad;
1415                         keymatexportlen=atoi(*(++argv));
1416                         if (keymatexportlen == 0) goto bad;
1417                         }
1418                 else if (strcmp(*argv, "-cert_strict") == 0)
1419                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1420                 else
1421                         {
1422                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1423                         badop=1;
1424                         break;
1425                         }
1426                 argc--;
1427                 argv++;
1428                 }
1429         if (badop)
1430                 {
1431 bad:
1432                 sv_usage();
1433                 goto end;
1434                 }
1435
1436 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1437         if (jpake_secret)
1438                 {
1439                 if (psk_key)
1440                         {
1441                         BIO_printf(bio_err,
1442                                    "Can't use JPAKE and PSK together\n");
1443                         goto end;
1444                         }
1445                 psk_identity = "JPAKE";
1446                 if (cipher)
1447                         {
1448                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1449                         goto end;
1450                         }
1451                 cipher = "PSK";
1452                 }
1453
1454 #endif
1455
1456         SSL_load_error_strings();
1457         OpenSSL_add_ssl_algorithms();
1458
1459 #ifndef OPENSSL_NO_ENGINE
1460         e = setup_engine(bio_err, engine_id, 1);
1461 #endif
1462
1463         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1464                 {
1465                 BIO_printf(bio_err, "Error getting password\n");
1466                 goto end;
1467                 }
1468
1469
1470         if (s_key_file == NULL)
1471                 s_key_file = s_cert_file;
1472 #ifndef OPENSSL_NO_TLSEXT
1473         if (s_key_file2 == NULL)
1474                 s_key_file2 = s_cert_file2;
1475 #endif
1476
1477         if (!load_excert(&exc, bio_err))
1478                 goto end;
1479
1480         if (nocert == 0)
1481                 {
1482                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1483                        "server certificate private key file");
1484                 if (!s_key)
1485                         {
1486                         ERR_print_errors(bio_err);
1487                         goto end;
1488                         }
1489
1490                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1491                         NULL, e, "server certificate file");
1492
1493                 if (!s_cert)
1494                         {
1495                         ERR_print_errors(bio_err);
1496                         goto end;
1497                         }
1498                 if (s_chain_file)
1499                         {
1500                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1501                                         NULL, e, "server certificate chain");
1502                         if (!s_chain)
1503                                 goto end;
1504                         }
1505
1506 #ifndef OPENSSL_NO_TLSEXT
1507                 if (tlsextcbp.servername)
1508                         {
1509                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1510                                 "second server certificate private key file");
1511                         if (!s_key2)
1512                                 {
1513                                 ERR_print_errors(bio_err);
1514                                 goto end;
1515                                 }
1516
1517                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1518                                 NULL, e, "second server certificate file");
1519
1520                         if (!s_cert2)
1521                                 {
1522                                 ERR_print_errors(bio_err);
1523                                 goto end;
1524                                 }
1525                         }
1526 #endif /* OPENSSL_NO_TLSEXT */
1527                 }
1528
1529 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1530         if (next_proto_neg_in)
1531                 {
1532                 unsigned short len;
1533                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1534                 if (next_proto.data == NULL)
1535                         goto end;
1536                 next_proto.len = len;
1537                 }
1538         else
1539                 {
1540                 next_proto.data = NULL;
1541                 }
1542 #endif
1543
1544
1545         if (s_dcert_file)
1546                 {
1547
1548                 if (s_dkey_file == NULL)
1549                         s_dkey_file = s_dcert_file;
1550
1551                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1552                                 0, dpass, e,
1553                                "second certificate private key file");
1554                 if (!s_dkey)
1555                         {
1556                         ERR_print_errors(bio_err);
1557                         goto end;
1558                         }
1559
1560                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1561                                 NULL, e, "second server certificate file");
1562
1563                 if (!s_dcert)
1564                         {
1565                         ERR_print_errors(bio_err);
1566                         goto end;
1567                         }
1568                 if (s_dchain_file)
1569                         {
1570                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1571                                 NULL, e, "second server certificate chain");
1572                         if (!s_dchain)
1573                                 goto end;
1574                         }
1575
1576                 }
1577
1578         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1579                 && !RAND_status())
1580                 {
1581                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1582                 }
1583         if (inrand != NULL)
1584                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1585                         app_RAND_load_files(inrand));
1586
1587         if (bio_s_out == NULL)
1588                 {
1589                 if (s_quiet && !s_debug && !s_msg)
1590                         {
1591                         bio_s_out=BIO_new(BIO_s_null());
1592                         }
1593                 else
1594                         {
1595                         if (bio_s_out == NULL)
1596                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1597                         }
1598                 }
1599
1600 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1601         if (nocert)
1602 #endif
1603                 {
1604                 s_cert_file=NULL;
1605                 s_key_file=NULL;
1606                 s_dcert_file=NULL;
1607                 s_dkey_file=NULL;
1608 #ifndef OPENSSL_NO_TLSEXT
1609                 s_cert_file2=NULL;
1610                 s_key_file2=NULL;
1611 #endif
1612                 }
1613
1614         ctx=SSL_CTX_new(meth);
1615         if (ctx == NULL)
1616                 {
1617                 ERR_print_errors(bio_err);
1618                 goto end;
1619                 }
1620         if (session_id_prefix)
1621                 {
1622                 if(strlen(session_id_prefix) >= 32)
1623                         BIO_printf(bio_err,
1624 "warning: id_prefix is too long, only one new session will be possible\n");
1625                 else if(strlen(session_id_prefix) >= 16)
1626                         BIO_printf(bio_err,
1627 "warning: id_prefix is too long if you use SSLv2\n");
1628                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1629                         {
1630                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1631                         ERR_print_errors(bio_err);
1632                         goto end;
1633                         }
1634                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1635                 }
1636         SSL_CTX_set_quiet_shutdown(ctx,1);
1637         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1638         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1639         SSL_CTX_set_options(ctx,off);
1640         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1641         if (exc) ssl_ctx_set_excert(ctx, exc);
1642         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1643          * Setting read ahead solves this problem.
1644          */
1645         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1646
1647         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1648         if (no_cache)
1649                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1650         else
1651                 SSL_CTX_sess_set_cache_size(ctx,128);
1652
1653         if (srtp_profiles != NULL)
1654                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1655
1656 #if 0
1657         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1658 #endif
1659
1660 #if 0
1661         if (s_cert_file == NULL)
1662                 {
1663                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1664                 goto end;
1665                 }
1666 #endif
1667
1668         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1669                 (!SSL_CTX_set_default_verify_paths(ctx)))
1670                 {
1671                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1672                 ERR_print_errors(bio_err);
1673                 /* goto end; */
1674                 }
1675         if (vpm)
1676                 SSL_CTX_set1_param(ctx, vpm);
1677
1678         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1679                 {
1680                 BIO_printf(bio_err, "Error loading store locations\n");
1681                 ERR_print_errors(bio_err);
1682                 goto end;
1683                 }
1684
1685 #ifndef OPENSSL_NO_TLSEXT
1686         if (s_cert2)
1687                 {
1688                 ctx2=SSL_CTX_new(meth);
1689                 if (ctx2 == NULL)
1690                         {
1691                         ERR_print_errors(bio_err);
1692                         goto end;
1693                         }
1694                 }
1695
1696         if (ctx2)
1697                 {
1698                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1699
1700                 if (session_id_prefix)
1701                         {
1702                         if(strlen(session_id_prefix) >= 32)
1703                                 BIO_printf(bio_err,
1704                                         "warning: id_prefix is too long, only one new session will be possible\n");
1705                         else if(strlen(session_id_prefix) >= 16)
1706                                 BIO_printf(bio_err,
1707                                         "warning: id_prefix is too long if you use SSLv2\n");
1708                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1709                                 {
1710                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1711                                 ERR_print_errors(bio_err);
1712                                 goto end;
1713                                 }
1714                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1715                         }
1716                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1717                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1718                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1719                 SSL_CTX_set_options(ctx2,off);
1720                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1721                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1722                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1723                  * Setting read ahead solves this problem.
1724                  */
1725                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1726
1727                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1728
1729                 if (no_cache)
1730                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1731                 else
1732                         SSL_CTX_sess_set_cache_size(ctx2,128);
1733
1734                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1735                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1736                         {
1737                         ERR_print_errors(bio_err);
1738                         }
1739                 if (vpm)
1740                         SSL_CTX_set1_param(ctx2, vpm);
1741                 }
1742
1743 # ifndef OPENSSL_NO_NEXTPROTONEG
1744         if (next_proto.data)
1745                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1746 # endif
1747 #endif
1748
1749 #ifndef OPENSSL_NO_DH
1750         if (!no_dhe)
1751                 {
1752                 DH *dh=NULL;
1753
1754                 if (dhfile)
1755                         dh = load_dh_param(dhfile);
1756                 else if (s_cert_file)
1757                         dh = load_dh_param(s_cert_file);
1758
1759                 if (dh != NULL)
1760                         {
1761                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1762                         }
1763                 else
1764                         {
1765                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1766                         dh=get_dh512();
1767                         }
1768                 (void)BIO_flush(bio_s_out);
1769
1770                 SSL_CTX_set_tmp_dh(ctx,dh);
1771 #ifndef OPENSSL_NO_TLSEXT
1772                 if (ctx2)
1773                         {
1774                         if (!dhfile)
1775                                 {
1776                                 DH *dh2=load_dh_param(s_cert_file2);
1777                                 if (dh2 != NULL)
1778                                         {
1779                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1780                                         (void)BIO_flush(bio_s_out);
1781
1782                                         DH_free(dh);
1783                                         dh = dh2;
1784                                         }
1785                                 }
1786                         SSL_CTX_set_tmp_dh(ctx2,dh);
1787                         }
1788 #endif
1789                 DH_free(dh);
1790                 }
1791 #endif
1792
1793 #ifndef OPENSSL_NO_ECDH
1794         if (!no_ecdhe)
1795                 {
1796                 EC_KEY *ecdh=NULL;
1797
1798                 if (named_curve && strcmp(named_curve, "auto"))
1799                         {
1800                         int nid = EC_curve_nist2nid(named_curve);
1801                         if (nid == NID_undef)
1802                                 nid = OBJ_sn2nid(named_curve);
1803                         if (nid == 0)
1804                                 {
1805                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1806                                         named_curve);
1807                                 goto end;
1808                                 }
1809                         ecdh = EC_KEY_new_by_curve_name(nid);
1810                         if (ecdh == NULL)
1811                                 {
1812                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1813                                         named_curve);
1814                                 goto end;
1815                                 }
1816                         }
1817
1818                 if (ecdh != NULL)
1819                         {
1820                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1821                         }
1822                 else if (named_curve)
1823                         SSL_CTX_set_ecdh_auto(ctx, 1);
1824                 else
1825                         {
1826                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1827                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1828                         if (ecdh == NULL)
1829                                 {
1830                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1831                                 goto end;
1832                                 }
1833                         }
1834                 (void)BIO_flush(bio_s_out);
1835
1836                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1837 #ifndef OPENSSL_NO_TLSEXT
1838                 if (ctx2)
1839                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1840 #endif
1841                 EC_KEY_free(ecdh);
1842                 }
1843 #endif
1844
1845         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1846                 goto end;
1847 #ifndef OPENSSL_NO_TLSEXT
1848         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1849                 goto end;
1850 #endif
1851 #ifndef OPENSSL_NO_TLSEXT
1852         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1853                 goto end;
1854 #endif
1855         if (s_dcert != NULL)
1856                 {
1857                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1858                         goto end;
1859                 }
1860
1861 #ifndef OPENSSL_NO_RSA
1862 #if 1
1863         if (!no_tmp_rsa)
1864                 {
1865                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1866 #ifndef OPENSSL_NO_TLSEXT
1867                 if (ctx2)
1868                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1869 #endif
1870                 }
1871 #else
1872         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1873                 {
1874                 RSA *rsa;
1875
1876                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1877                 BIO_flush(bio_s_out);
1878
1879                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1880
1881                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1882                         {
1883                         ERR_print_errors(bio_err);
1884                         goto end;
1885                         }
1886 #ifndef OPENSSL_NO_TLSEXT
1887                         if (ctx2)
1888                                 {
1889                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1890                                         {
1891                                         ERR_print_errors(bio_err);
1892                                         goto end;
1893                                         }
1894                                 }
1895 #endif
1896                 RSA_free(rsa);
1897                 BIO_printf(bio_s_out,"\n");
1898                 }
1899 #endif
1900 #endif
1901
1902 #ifndef OPENSSL_NO_PSK
1903 #ifdef OPENSSL_NO_JPAKE
1904         if (psk_key != NULL)
1905 #else
1906         if (psk_key != NULL || jpake_secret)
1907 #endif
1908                 {
1909                 if (s_debug)
1910                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1911                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1912                 }
1913
1914         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1915                 {
1916                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1917                 ERR_print_errors(bio_err);
1918                 goto end;
1919                 }
1920 #endif
1921
1922         if (cipher != NULL)
1923                 {
1924                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1925                         {
1926                         BIO_printf(bio_err,"error setting cipher list\n");
1927                         ERR_print_errors(bio_err);
1928                         goto end;
1929                         }
1930 #ifndef OPENSSL_NO_TLSEXT
1931                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1932                         {
1933                         BIO_printf(bio_err,"error setting cipher list\n");
1934                         ERR_print_errors(bio_err);
1935                         goto end;
1936                         }
1937 #endif
1938                 }
1939 #ifndef OPENSSL_NO_TLSEXT
1940         if (curves)
1941                 {
1942                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1943                         {
1944                         BIO_printf(bio_err,"error setting curves list\n");
1945                         ERR_print_errors(bio_err);
1946                         goto end;
1947                         }
1948                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1949                         {
1950                         BIO_printf(bio_err,"error setting curves list\n");
1951                         ERR_print_errors(bio_err);
1952                         goto end;
1953                         }
1954                 }
1955         if (sigalgs)
1956                 {
1957                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1958                         {
1959                         BIO_printf(bio_err,"error setting signature algorithms\n");
1960                         ERR_print_errors(bio_err);
1961                         goto end;
1962                         }
1963                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1964                         {
1965                         BIO_printf(bio_err,"error setting signature algorithms\n");
1966                         ERR_print_errors(bio_err);
1967                         goto end;
1968                         }
1969                 }
1970         if (client_sigalgs)
1971                 {
1972                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
1973                         {
1974                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1975                         ERR_print_errors(bio_err);
1976                         goto end;
1977                         }
1978                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
1979                         {
1980                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1981                         ERR_print_errors(bio_err);
1982                         goto end;
1983                         }
1984                 }
1985 #endif
1986         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1987         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1988                 sizeof s_server_session_id_context);
1989
1990         /* Set DTLS cookie generation and verification callbacks */
1991         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1992         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1993
1994 #ifndef OPENSSL_NO_TLSEXT
1995         if (ctx2)
1996                 {
1997                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1998                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1999                         sizeof s_server_session_id_context);
2000
2001                 tlsextcbp.biodebug = bio_s_out;
2002                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2003                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2004                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2005                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2006                 }
2007 #endif
2008
2009 #ifndef OPENSSL_NO_SRP
2010         if (srp_verifier_file != NULL)
2011                 {
2012                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2013                 srp_callback_parm.user = NULL;
2014                 srp_callback_parm.login = NULL;
2015                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2016                         {
2017                         BIO_printf(bio_err,
2018                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2019                                    srp_verifier_file, ret);
2020                                 goto end;
2021                         }
2022                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2023                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2024                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2025                 }
2026         else
2027 #endif
2028         if (CAfile != NULL)
2029                 {
2030                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2031 #ifndef OPENSSL_NO_TLSEXT
2032                 if (ctx2)
2033                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2034 #endif
2035                 }
2036
2037         BIO_printf(bio_s_out,"ACCEPT\n");
2038         (void)BIO_flush(bio_s_out);
2039         if (www)
2040                 do_server(port,socket_type,&accept_socket,www_body, context);
2041         else
2042                 do_server(port,socket_type,&accept_socket,sv_body, context);
2043         print_stats(bio_s_out,ctx);
2044         ret=0;
2045 end:
2046         if (ctx != NULL) SSL_CTX_free(ctx);
2047         if (s_cert)
2048                 X509_free(s_cert);
2049         if (s_dcert)
2050                 X509_free(s_dcert);
2051         if (s_key)
2052                 EVP_PKEY_free(s_key);
2053         if (s_dkey)
2054                 EVP_PKEY_free(s_dkey);
2055         if (s_chain)
2056                 sk_X509_pop_free(s_chain, X509_free);
2057         if (s_dchain)
2058                 sk_X509_pop_free(s_dchain, X509_free);
2059         if (pass)
2060                 OPENSSL_free(pass);
2061         if (dpass)
2062                 OPENSSL_free(dpass);
2063         if (vpm)
2064                 X509_VERIFY_PARAM_free(vpm);
2065 #ifndef OPENSSL_NO_TLSEXT
2066         if (tlscstatp.host)
2067                 OPENSSL_free(tlscstatp.host);
2068         if (tlscstatp.port)
2069                 OPENSSL_free(tlscstatp.port);
2070         if (tlscstatp.path)
2071                 OPENSSL_free(tlscstatp.path);
2072         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2073         if (s_cert2)
2074                 X509_free(s_cert2);
2075         if (s_key2)
2076                 EVP_PKEY_free(s_key2);
2077         if (authz_in != NULL)
2078                 BIO_free(authz_in);
2079 #endif
2080         ssl_excert_free(exc);
2081         if (bio_s_out != NULL)
2082                 {
2083         BIO_free(bio_s_out);
2084                 bio_s_out=NULL;
2085                 }
2086         apps_shutdown();
2087         OPENSSL_EXIT(ret);
2088         }
2089
2090 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2091         {
2092         BIO_printf(bio,"%4ld items in the session cache\n",
2093                 SSL_CTX_sess_number(ssl_ctx));
2094         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2095                 SSL_CTX_sess_connect(ssl_ctx));
2096         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2097                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2098         BIO_printf(bio,"%4ld client connects that finished\n",
2099                 SSL_CTX_sess_connect_good(ssl_ctx));
2100         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2101                 SSL_CTX_sess_accept(ssl_ctx));
2102         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2103                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2104         BIO_printf(bio,"%4ld server accepts that finished\n",
2105                 SSL_CTX_sess_accept_good(ssl_ctx));
2106         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2107         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2108         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2109         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2110         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2111                 SSL_CTX_sess_cache_full(ssl_ctx),
2112                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2113         }
2114
2115 static int sv_body(char *hostname, int s, unsigned char *context)
2116         {
2117         char *buf=NULL;
2118         fd_set readfds;
2119         int ret=1,width;
2120         int k,i;
2121         unsigned long l;
2122         SSL *con=NULL;
2123         BIO *sbio;
2124 #ifndef OPENSSL_NO_KRB5
2125         KSSL_CTX *kctx;
2126 #endif
2127         struct timeval timeout;
2128 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2129         struct timeval tv;
2130 #else
2131         struct timeval *timeoutp;
2132 #endif
2133
2134         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2135                 {
2136                 BIO_printf(bio_err,"out of memory\n");
2137                 goto err;
2138                 }
2139 #ifdef FIONBIO
2140         if (s_nbio)
2141                 {
2142                 unsigned long sl=1;
2143
2144                 if (!s_quiet)
2145                         BIO_printf(bio_err,"turning on non blocking io\n");
2146                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2147                         ERR_print_errors(bio_err);
2148                 }
2149 #endif
2150
2151         if (con == NULL) {
2152                 con=SSL_new(ctx);
2153 #ifndef OPENSSL_NO_TLSEXT
2154         if (s_tlsextdebug)
2155                 {
2156                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2157                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2158                 }
2159         if (s_tlsextstatus)
2160                 {
2161                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2162                 tlscstatp.err = bio_err;
2163                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2164                 }
2165 #endif
2166 #ifndef OPENSSL_NO_KRB5
2167                 if ((kctx = kssl_ctx_new()) != NULL)
2168                         {
2169                         SSL_set0_kssl_ctx(con, kctx);
2170                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2171                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2172                         }
2173 #endif  /* OPENSSL_NO_KRB5 */
2174                 if(context)
2175                       SSL_set_session_id_context(con, context,
2176                                                  strlen((char *)context));
2177         }
2178         SSL_clear(con);
2179 #if 0
2180 #ifdef TLSEXT_TYPE_opaque_prf_input
2181         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2182 #endif
2183 #endif
2184
2185         if (SSL_version(con) == DTLS1_VERSION)
2186                 {
2187
2188                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2189
2190                 if (enable_timeouts)
2191                         {
2192                         timeout.tv_sec = 0;
2193                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2194                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2195
2196                         timeout.tv_sec = 0;
2197                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2198                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2199                         }
2200
2201                 if (socket_mtu > 28)
2202                         {
2203                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2204                         SSL_set_mtu(con, socket_mtu - 28);
2205                         }
2206                 else
2207                         /* want to do MTU discovery */
2208                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2209
2210         /* turn on cookie exchange */
2211         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2212                 }
2213         else
2214                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2215
2216         if (s_nbio_test)
2217                 {
2218                 BIO *test;
2219
2220                 test=BIO_new(BIO_f_nbio_test());
2221                 sbio=BIO_push(test,sbio);
2222                 }
2223 #ifndef OPENSSL_NO_JPAKE
2224         if(jpake_secret)
2225                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2226 #endif
2227
2228         SSL_set_bio(con,sbio,sbio);
2229         SSL_set_accept_state(con);
2230         /* SSL_set_fd(con,s); */
2231
2232         if (s_debug)
2233                 {
2234                 SSL_set_debug(con, 1);
2235                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2236                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2237                 }
2238         if (s_msg)
2239                 {
2240                 SSL_set_msg_callback(con, msg_cb);
2241                 SSL_set_msg_callback_arg(con, bio_s_out);
2242                 }
2243 #ifndef OPENSSL_NO_TLSEXT
2244         if (s_tlsextdebug)
2245                 {
2246                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2247                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2248                 }
2249 #endif
2250
2251         width=s+1;
2252         for (;;)
2253                 {
2254                 int read_from_terminal;
2255                 int read_from_sslcon;
2256
2257                 read_from_terminal = 0;
2258                 read_from_sslcon = SSL_pending(con);
2259
2260                 if (!read_from_sslcon)
2261                         {
2262                         FD_ZERO(&readfds);
2263 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2264                         openssl_fdset(fileno(stdin),&readfds);
2265 #endif
2266                         openssl_fdset(s,&readfds);
2267                         /* Note: under VMS with SOCKETSHR the second parameter is
2268                          * currently of type (int *) whereas under other systems
2269                          * it is (void *) if you don't have a cast it will choke
2270                          * the compiler: if you do have a cast then you can either
2271                          * go for (int *) or (void *).
2272                          */
2273 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2274                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2275                          * on sockets. As a workaround we timeout the select every
2276                          * second and check for any keypress. In a proper Windows
2277                          * application we wouldn't do this because it is inefficient.
2278                          */
2279                         tv.tv_sec = 1;
2280                         tv.tv_usec = 0;
2281                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2282                         if((i < 0) || (!i && !_kbhit() ) )continue;
2283                         if(_kbhit())
2284                                 read_from_terminal = 1;
2285 #elif defined(OPENSSL_SYS_BEOS_R5)
2286                         /* Under BeOS-R5 the situation is similar to DOS */
2287                         tv.tv_sec = 1;
2288                         tv.tv_usec = 0;
2289                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2290                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2291                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2292                                 continue;
2293                         if (read(fileno(stdin), buf, 0) >= 0)
2294                                 read_from_terminal = 1;
2295                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2296 #else
2297                         if ((SSL_version(con) == DTLS1_VERSION) &&
2298                                 DTLSv1_get_timeout(con, &timeout))
2299                                 timeoutp = &timeout;
2300                         else
2301                                 timeoutp = NULL;
2302
2303                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2304
2305                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2306                                 {
2307                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2308                                 }
2309
2310                         if (i <= 0) continue;
2311                         if (FD_ISSET(fileno(stdin),&readfds))
2312                                 read_from_terminal = 1;
2313 #endif
2314                         if (FD_ISSET(s,&readfds))
2315                                 read_from_sslcon = 1;
2316                         }
2317                 if (read_from_terminal)
2318                         {
2319                         if (s_crlf)
2320                                 {
2321                                 int j, lf_num;
2322
2323                                 i=raw_read_stdin(buf, bufsize/2);
2324                                 lf_num = 0;
2325                                 /* both loops are skipped when i <= 0 */
2326                                 for (j = 0; j < i; j++)
2327                                         if (buf[j] == '\n')
2328                                                 lf_num++;
2329                                 for (j = i-1; j >= 0; j--)
2330                                         {
2331                                         buf[j+lf_num] = buf[j];
2332                                         if (buf[j] == '\n')
2333                                                 {
2334                                                 lf_num--;
2335                                                 i++;
2336                                                 buf[j+lf_num] = '\r';
2337                                                 }
2338                                         }
2339                                 assert(lf_num == 0);
2340                                 }
2341                         else
2342                                 i=raw_read_stdin(buf,bufsize);
2343                         if (!s_quiet)
2344                                 {
2345                                 if ((i <= 0) || (buf[0] == 'Q'))
2346                                         {
2347                                         BIO_printf(bio_s_out,"DONE\n");
2348                                         SHUTDOWN(s);
2349                                         close_accept_socket();
2350                                         ret= -11;
2351                                         goto err;
2352                                         }
2353                                 if ((i <= 0) || (buf[0] == 'q'))
2354                                         {
2355                                         BIO_printf(bio_s_out,"DONE\n");
2356                                         if (SSL_version(con) != DTLS1_VERSION)
2357                         SHUTDOWN(s);
2358         /*                              close_accept_socket();
2359                                         ret= -11;*/
2360                                         goto err;
2361                                         }
2362
2363 #ifndef OPENSSL_NO_HEARTBEATS
2364                                 if ((buf[0] == 'B') &&
2365                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2366                                         {
2367                                         BIO_printf(bio_err,"HEARTBEATING\n");
2368                                         SSL_heartbeat(con);
2369                                         i=0;
2370                                         continue;
2371                                         }
2372 #endif
2373                                 if ((buf[0] == 'r') &&
2374                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2375                                         {
2376                                         SSL_renegotiate(con);
2377                                         i=SSL_do_handshake(con);
2378                                         printf("SSL_do_handshake -> %d\n",i);
2379                                         i=0; /*13; */
2380                                         continue;
2381                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2382                                         }
2383                                 if ((buf[0] == 'R') &&
2384                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2385                                         {
2386                                         SSL_set_verify(con,
2387                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2388                                         SSL_renegotiate(con);
2389                                         i=SSL_do_handshake(con);
2390                                         printf("SSL_do_handshake -> %d\n",i);
2391                                         i=0; /* 13; */
2392                                         continue;
2393                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2394                                         }
2395                                 if (buf[0] == 'P')
2396                                         {
2397                                         static const char *str="Lets print some clear text\n";
2398                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2399                                         }
2400                                 if (buf[0] == 'S')
2401                                         {
2402                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2403                                         }
2404                                 }
2405 #ifdef CHARSET_EBCDIC
2406                         ebcdic2ascii(buf,buf,i);
2407 #endif
2408                         l=k=0;
2409                         for (;;)
2410                                 {
2411                                 /* should do a select for the write */
2412 #ifdef RENEG
2413 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2414 #endif
2415                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2416 #ifndef OPENSSL_NO_SRP
2417                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2418                                         {
2419                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2420                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2421                                         if (srp_callback_parm.user)
2422                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2423                                         else
2424                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2425                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2426                                         }
2427 #endif
2428                                 switch (SSL_get_error(con,k))
2429                                         {
2430                                 case SSL_ERROR_NONE:
2431                                         break;
2432                                 case SSL_ERROR_WANT_WRITE:
2433                                 case SSL_ERROR_WANT_READ:
2434                                 case SSL_ERROR_WANT_X509_LOOKUP:
2435                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2436                                         break;
2437                                 case SSL_ERROR_SYSCALL:
2438                                 case SSL_ERROR_SSL:
2439                                         BIO_printf(bio_s_out,"ERROR\n");
2440                                         ERR_print_errors(bio_err);
2441                                         ret=1;
2442                                         goto err;
2443                                         /* break; */
2444                                 case SSL_ERROR_ZERO_RETURN:
2445                                         BIO_printf(bio_s_out,"DONE\n");
2446                                         ret=1;
2447                                         goto err;
2448                                         }
2449                                 l+=k;
2450                                 i-=k;
2451                                 if (i <= 0) break;
2452                                 }
2453                         }
2454                 if (read_from_sslcon)
2455                         {
2456                         if (!SSL_is_init_finished(con))
2457                                 {
2458                                 i=init_ssl_connection(con);
2459
2460                                 if (i < 0)
2461                                         {
2462                                         ret=0;
2463                                         goto err;
2464                                         }
2465                                 else if (i == 0)
2466                                         {
2467                                         ret=1;
2468                                         goto err;
2469                                         }
2470                                 }
2471                         else
2472                                 {
2473 again:
2474                                 i=SSL_read(con,(char *)buf,bufsize);
2475 #ifndef OPENSSL_NO_SRP
2476                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2477                                         {
2478                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2479                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2480                                         if (srp_callback_parm.user)
2481                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2482                                         else
2483                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2484                                         i=SSL_read(con,(char *)buf,bufsize);
2485                                         }
2486 #endif
2487                                 switch (SSL_get_error(con,i))
2488                                         {
2489                                 case SSL_ERROR_NONE:
2490 #ifdef CHARSET_EBCDIC
2491                                         ascii2ebcdic(buf,buf,i);
2492 #endif
2493                                         raw_write_stdout(buf,
2494                                                 (unsigned int)i);
2495                                         if (SSL_pending(con)) goto again;
2496                                         break;
2497                                 case SSL_ERROR_WANT_WRITE:
2498                                 case SSL_ERROR_WANT_READ:
2499                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2500                                         break;
2501                                 case SSL_ERROR_SYSCALL:
2502                                 case SSL_ERROR_SSL:
2503                                         BIO_printf(bio_s_out,"ERROR\n");
2504                                         ERR_print_errors(bio_err);
2505                                         ret=1;
2506                                         goto err;
2507                                 case SSL_ERROR_ZERO_RETURN:
2508                                         BIO_printf(bio_s_out,"DONE\n");
2509                                         ret=1;
2510                                         goto err;
2511                                         }
2512                                 }
2513                         }
2514                 }
2515 err:
2516         if (con != NULL)
2517                 {
2518                 BIO_printf(bio_s_out,"shutting down SSL\n");
2519 #if 1
2520                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2521 #else
2522                 SSL_shutdown(con);
2523 #endif
2524                 SSL_free(con);
2525                 }
2526         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2527         if (buf != NULL)
2528                 {
2529                 OPENSSL_cleanse(buf,bufsize);
2530                 OPENSSL_free(buf);
2531                 }
2532         if (ret >= 0)
2533                 BIO_printf(bio_s_out,"ACCEPT\n");
2534         return(ret);
2535         }
2536
2537 static void close_accept_socket(void)
2538         {
2539         BIO_printf(bio_err,"shutdown accept socket\n");
2540         if (accept_socket >= 0)
2541                 {
2542                 SHUTDOWN2(accept_socket);
2543                 }
2544         }
2545
2546 static int init_ssl_connection(SSL *con)
2547         {
2548         int i;
2549         const char *str;
2550         X509 *peer;
2551         long verify_error;
2552         MS_STATIC char buf[BUFSIZ];
2553 #ifndef OPENSSL_NO_KRB5
2554         char *client_princ;
2555 #endif
2556 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2557         const unsigned char *next_proto_neg;
2558         unsigned next_proto_neg_len;
2559 #endif
2560         unsigned char *exportedkeymat;
2561
2562
2563         i=SSL_accept(con);
2564 #ifndef OPENSSL_NO_SRP
2565         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2566                 {
2567                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2568                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2569                         if (srp_callback_parm.user)
2570                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2571                         else
2572                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2573                         i=SSL_accept(con);
2574                 }
2575 #endif
2576         if (i <= 0)
2577                 {
2578                 if (BIO_sock_should_retry(i))
2579                         {
2580                         BIO_printf(bio_s_out,"DELAY\n");
2581                         return(1);
2582                         }
2583
2584                 BIO_printf(bio_err,"ERROR\n");
2585                 verify_error=SSL_get_verify_result(con);
2586                 if (verify_error != X509_V_OK)
2587                         {
2588                         BIO_printf(bio_err,"verify error:%s\n",
2589                                 X509_verify_cert_error_string(verify_error));
2590                         }
2591                 /* Always print any error messages */
2592                 ERR_print_errors(bio_err);
2593                 return(0);
2594                 }
2595
2596         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2597
2598         peer=SSL_get_peer_certificate(con);
2599         if (peer != NULL)
2600                 {
2601                 BIO_printf(bio_s_out,"Client certificate\n");
2602                 PEM_write_bio_X509(bio_s_out,peer);
2603                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2604                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2605                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2606                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2607                 X509_free(peer);
2608                 }
2609
2610         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2611                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2612         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2613         ssl_print_sigalgs(bio_s_out, con);
2614         ssl_print_curves(bio_s_out, con);
2615         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2616
2617 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2618         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2619         if (next_proto_neg)
2620                 {
2621                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2622                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2623                 BIO_printf(bio_s_out, "\n");
2624                 }
2625 #endif
2626         {
2627         SRTP_PROTECTION_PROFILE *srtp_profile
2628           = SSL_get_selected_srtp_profile(con);
2629
2630         if(srtp_profile)
2631                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2632                            srtp_profile->name);
2633         }
2634         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2635         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2636                 TLS1_FLAGS_TLS_PADDING_BUG)
2637                 BIO_printf(bio_s_out,
2638                            "Peer has incorrect TLSv1 block padding\n");
2639 #ifndef OPENSSL_NO_KRB5
2640         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2641         if (client_princ != NULL)
2642                 {
2643                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2644                                                                 client_princ);
2645                 }
2646 #endif /* OPENSSL_NO_KRB5 */
2647         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2648                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2649         if (keymatexportlabel != NULL)
2650                 {
2651                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2652                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2653                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2654                            keymatexportlen);
2655                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2656                 if (exportedkeymat != NULL)
2657                         {
2658                         if (!SSL_export_keying_material(con, exportedkeymat,
2659                                                         keymatexportlen,
2660                                                         keymatexportlabel,
2661                                                         strlen(keymatexportlabel),
2662                                                         NULL, 0, 0))
2663                                 {
2664                                 BIO_printf(bio_s_out, "    Error\n");
2665                                 }
2666                         else
2667                                 {
2668                                 BIO_printf(bio_s_out, "    Keying material: ");
2669                                 for (i=0; i<keymatexportlen; i++)
2670                                         BIO_printf(bio_s_out, "%02X",
2671                                                    exportedkeymat[i]);
2672                                 BIO_printf(bio_s_out, "\n");
2673                                 }
2674                         OPENSSL_free(exportedkeymat);
2675                         }
2676                 }
2677
2678         return(1);
2679         }
2680
2681 #ifndef OPENSSL_NO_DH
2682 static DH *load_dh_param(const char *dhfile)
2683         {
2684         DH *ret=NULL;
2685         BIO *bio;
2686
2687         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2688                 goto err;
2689         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2690 err:
2691         if (bio != NULL) BIO_free(bio);
2692         return(ret);
2693         }
2694 #endif
2695 #ifndef OPENSSL_NO_KRB5
2696         char *client_princ;
2697 #endif
2698
2699 #if 0
2700 static int load_CA(SSL_CTX *ctx, char *file)
2701         {
2702         FILE *in;
2703         X509 *x=NULL;
2704
2705         if ((in=fopen(file,"r")) == NULL)
2706                 return(0);
2707
2708         for (;;)
2709                 {
2710                 if (PEM_read_X509(in,&x,NULL) == NULL)
2711                         break;
2712                 SSL_CTX_add_client_CA(ctx,x);
2713                 }
2714         if (x != NULL) X509_free(x);
2715         fclose(in);
2716         return(1);
2717         }
2718 #endif
2719
2720 static int www_body(char *hostname, int s, unsigned char *context)
2721         {
2722         char *buf=NULL;
2723         int ret=1;
2724         int i,j,k,dot;
2725         SSL *con;
2726         const SSL_CIPHER *c;
2727         BIO *io,*ssl_bio,*sbio;
2728 #ifndef OPENSSL_NO_KRB5
2729         KSSL_CTX *kctx;
2730 #endif
2731
2732         buf=OPENSSL_malloc(bufsize);
2733         if (buf == NULL) return(0);
2734         io=BIO_new(BIO_f_buffer());
2735         ssl_bio=BIO_new(BIO_f_ssl());
2736         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2737
2738 #ifdef FIONBIO
2739         if (s_nbio)
2740                 {
2741                 unsigned long sl=1;
2742
2743                 if (!s_quiet)
2744                         BIO_printf(bio_err,"turning on non blocking io\n");
2745                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2746                         ERR_print_errors(bio_err);
2747                 }
2748 #endif
2749
2750         /* lets make the output buffer a reasonable size */
2751         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2752
2753         if ((con=SSL_new(ctx)) == NULL) goto err;
2754 #ifndef OPENSSL_NO_TLSEXT
2755                 if (s_tlsextdebug)
2756                         {
2757                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2758                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2759                         }
2760 #endif
2761 #ifndef OPENSSL_NO_KRB5
2762         if ((kctx = kssl_ctx_new()) != NULL)
2763                 {
2764                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2765                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2766                 }
2767 #endif  /* OPENSSL_NO_KRB5 */
2768         if(context) SSL_set_session_id_context(con, context,
2769                                                strlen((char *)context));
2770
2771         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2772         if (s_nbio_test)
2773                 {
2774                 BIO *test;
2775
2776                 test=BIO_new(BIO_f_nbio_test());
2777                 sbio=BIO_push(test,sbio);
2778                 }
2779         SSL_set_bio(con,sbio,sbio);
2780         SSL_set_accept_state(con);
2781
2782         /* SSL_set_fd(con,s); */
2783         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2784         BIO_push(io,ssl_bio);
2785 #ifdef CHARSET_EBCDIC
2786         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2787 #endif
2788
2789         if (s_debug)
2790                 {
2791                 SSL_set_debug(con, 1);
2792                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2793                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2794                 }
2795         if (s_msg)
2796                 {
2797                 SSL_set_msg_callback(con, msg_cb);
2798                 SSL_set_msg_callback_arg(con, bio_s_out);
2799                 }
2800
2801         for (;;)
2802                 {
2803                 if (hack)
2804                         {
2805                         i=SSL_accept(con);
2806 #ifndef OPENSSL_NO_SRP
2807                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2808                 {
2809                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2810                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2811                         if (srp_callback_parm.user)
2812                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2813                         else
2814                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2815                         i=SSL_accept(con);
2816                 }
2817 #endif
2818                         switch (SSL_get_error(con,i))
2819                                 {
2820                         case SSL_ERROR_NONE:
2821                                 break;
2822                         case SSL_ERROR_WANT_WRITE:
2823                         case SSL_ERROR_WANT_READ:
2824                         case SSL_ERROR_WANT_X509_LOOKUP:
2825                                 continue;
2826                         case SSL_ERROR_SYSCALL:
2827                         case SSL_ERROR_SSL:
2828                         case SSL_ERROR_ZERO_RETURN:
2829                                 ret=1;
2830                                 goto err;
2831                                 /* break; */
2832                                 }
2833
2834                         SSL_renegotiate(con);
2835                         SSL_write(con,NULL,0);
2836                         }
2837
2838                 i=BIO_gets(io,buf,bufsize-1);
2839                 if (i < 0) /* error */
2840                         {
2841                         if (!BIO_should_retry(io))
2842                                 {
2843                                 if (!s_quiet)
2844                                         ERR_print_errors(bio_err);
2845                                 goto err;
2846                                 }
2847                         else
2848                                 {
2849                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2850 #if defined(OPENSSL_SYS_NETWARE)
2851             delay(1000);
2852 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2853                                 sleep(1);
2854 #endif
2855                                 continue;
2856                                 }
2857                         }
2858                 else if (i == 0) /* end of input */
2859                         {
2860                         ret=1;
2861                         goto end;
2862                         }
2863
2864                 /* else we have data */
2865                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2866                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2867                         {
2868                         char *p;
2869                         X509 *peer;
2870                         STACK_OF(SSL_CIPHER) *sk;
2871                         static const char *space="                          ";
2872
2873                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2874                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2875                         BIO_puts(io,"<pre>\n");
2876 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2877                         BIO_puts(io,"\n");
2878                         for (i=0; i<local_argc; i++)
2879                                 {
2880                                 BIO_puts(io,local_argv[i]);
2881                                 BIO_write(io," ",1);
2882                                 }
2883                         BIO_puts(io,"\n");
2884
2885                         BIO_printf(io,
2886                                 "Secure Renegotiation IS%s supported\n",
2887                                 SSL_get_secure_renegotiation_support(con) ?
2888                                                         "" : " NOT");
2889
2890                         /* The following is evil and should not really
2891                          * be done */
2892                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2893                         sk=SSL_get_ciphers(con);
2894                         j=sk_SSL_CIPHER_num(sk);
2895                         for (i=0; i<j; i++)
2896                                 {
2897                                 c=sk_SSL_CIPHER_value(sk,i);
2898                                 BIO_printf(io,"%-11s:%-25s",
2899                                         SSL_CIPHER_get_version(c),
2900                                         SSL_CIPHER_get_name(c));
2901                                 if ((((i+1)%2) == 0) && (i+1 != j))
2902                                         BIO_puts(io,"\n");
2903                                 }
2904                         BIO_puts(io,"\n");
2905                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2906                         if (p != NULL)
2907                                 {
2908                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2909                                 j=i=0;
2910                                 while (*p)
2911                                         {
2912                                         if (*p == ':')
2913                                                 {
2914                                                 BIO_write(io,space,26-j);
2915                                                 i++;
2916                                                 j=0;
2917                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2918                                                 }
2919                                         else
2920                                                 {
2921                                                 BIO_write(io,p,1);
2922                                                 j++;
2923                                                 }
2924                                         p++;
2925                                         }
2926                                 BIO_puts(io,"\n");
2927                                 }
2928                         ssl_print_sigalgs(io, con);
2929                         ssl_print_curves(io, con);
2930                         BIO_printf(io,(SSL_cache_hit(con)
2931                                 ?"---\nReused, "
2932                                 :"---\nNew, "));
2933                         c=SSL_get_current_cipher(con);
2934                         BIO_printf(io,"%s, Cipher is %s\n",
2935                                 SSL_CIPHER_get_version(c),
2936                                 SSL_CIPHER_get_name(c));
2937                         SSL_SESSION_print(io,SSL_get_session(con));
2938                         BIO_printf(io,"---\n");
2939                         print_stats(io,SSL_get_SSL_CTX(con));
2940                         BIO_printf(io,"---\n");
2941                         peer=SSL_get_peer_certificate(con);
2942                         if (peer != NULL)
2943                                 {
2944                                 BIO_printf(io,"Client certificate\n");
2945                                 X509_print(io,peer);
2946                                 PEM_write_bio_X509(io,peer);
2947                                 }
2948                         else
2949                                 BIO_puts(io,"no client certificate available\n");
2950                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2951                         break;
2952                         }
2953                 else if ((www == 2 || www == 3)
2954                          && (strncmp("GET /",buf,5) == 0))
2955                         {
2956                         BIO *file;
2957                         char *p,*e;
2958                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2959
2960                         /* skip the '/' */
2961                         p= &(buf[5]);
2962
2963                         dot = 1;
2964                         for (e=p; *e != '\0'; e++)
2965                                 {
2966                                 if (e[0] == ' ')
2967                                         break;
2968
2969                                 switch (dot)
2970                                         {
2971                                 case 1:
2972                                         dot = (e[0] == '.') ? 2 : 0;
2973                                         break;
2974                                 case 2:
2975                                         dot = (e[0] == '.') ? 3 : 0;
2976                                         break;
2977                                 case 3:
2978                                         dot = (e[0] == '/') ? -1 : 0;
2979                                         break;
2980                                         }
2981                                 if (dot == 0)
2982                                         dot = (e[0] == '/') ? 1 : 0;
2983                                 }
2984                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2985
2986                         if (*e == '\0')
2987                                 {
2988                                 BIO_puts(io,text);
2989                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2990                                 break;
2991                                 }
2992                         *e='\0';
2993
2994                         if (dot)
2995                                 {
2996                                 BIO_puts(io,text);
2997                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2998                                 break;
2999                                 }
3000
3001                         if (*p == '/')
3002                                 {
3003                                 BIO_puts(io,text);
3004                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3005                                 break;
3006                                 }
3007
3008 #if 0
3009                         /* append if a directory lookup */
3010                         if (e[-1] == '/')
3011                                 strcat(p,"index.html");
3012 #endif
3013
3014                         /* if a directory, do the index thang */
3015                         if (app_isdir(p)>0)
3016                                 {
3017 #if 0 /* must check buffer size */
3018                                 strcat(p,"/index.html");
3019 #else
3020                                 BIO_puts(io,text);
3021                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3022                                 break;
3023 #endif
3024                                 }
3025
3026                         if ((file=BIO_new_file(p,"r")) == NULL)
3027                                 {
3028                                 BIO_puts(io,text);
3029                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3030                                 ERR_print_errors(io);
3031                                 break;
3032                                 }
3033
3034                         if (!s_quiet)
3035                                 BIO_printf(bio_err,"FILE:%s\n",p);
3036
3037                         if (www == 2)
3038                                 {
3039                                 i=strlen(p);
3040                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3041                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3042                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3043                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3044                                 else
3045                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3046                                 }
3047                         /* send the file */
3048                         for (;;)
3049                                 {
3050                                 i=BIO_read(file,buf,bufsize);
3051                                 if (i <= 0) break;
3052
3053 #ifdef RENEG
3054                                 total_bytes+=i;
3055                                 fprintf(stderr,"%d\n",i);
3056                                 if (total_bytes > 3*1024)
3057                                         {
3058                                         total_bytes=0;
3059                                         fprintf(stderr,"RENEGOTIATE\n");
3060                                         SSL_renegotiate(con);
3061                                         }
3062 #endif
3063
3064                                 for (j=0; j<i; )
3065                                         {
3066 #ifdef RENEG
3067 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3068 #endif
3069                                         k=BIO_write(io,&(buf[j]),i-j);
3070                                         if (k <= 0)
3071                                                 {
3072                                                 if (!BIO_should_retry(io))
3073                                                         goto write_error;
3074                                                 else
3075                                                         {
3076                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3077                                                         }
3078                                                 }
3079                                         else
3080                                                 {
3081                                                 j+=k;
3082                                                 }
3083                                         }
3084                                 }
3085 write_error:
3086                         BIO_free(file);
3087                         break;
3088                         }
3089                 }
3090
3091         for (;;)
3092                 {
3093                 i=(int)BIO_flush(io);
3094                 if (i <= 0)
3095                         {
3096                         if (!BIO_should_retry(io))
3097                                 break;
3098                         }
3099                 else
3100                         break;
3101                 }
3102 end:
3103 #if 1
3104         /* make sure we re-use sessions */
3105         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3106 #else
3107         /* This kills performance */
3108 /*      SSL_shutdown(con); A shutdown gets sent in the
3109  *      BIO_free_all(io) procession */
3110 #endif
3111
3112 err:
3113
3114         if (ret >= 0)
3115                 BIO_printf(bio_s_out,"ACCEPT\n");
3116
3117         if (buf != NULL) OPENSSL_free(buf);
3118         if (io != NULL) BIO_free_all(io);
3119 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3120         return(ret);
3121         }
3122
3123 #ifndef OPENSSL_NO_RSA
3124 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3125         {
3126         BIGNUM *bn = NULL;
3127         static RSA *rsa_tmp=NULL;
3128
3129         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3130                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3131         if (!rsa_tmp && bn)
3132                 {
3133                 if (!s_quiet)
3134                         {
3135                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3136                         (void)BIO_flush(bio_err);
3137                         }
3138                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3139                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3140                         {
3141                         if(rsa_tmp) RSA_free(rsa_tmp);
3142                         rsa_tmp = NULL;
3143                         }
3144                 if (!s_quiet)
3145                         {
3146                         BIO_printf(bio_err,"\n");
3147                         (void)BIO_flush(bio_err);
3148                         }
3149                 BN_free(bn);
3150                 }
3151         return(rsa_tmp);
3152         }
3153 #endif
3154
3155 #define MAX_SESSION_ID_ATTEMPTS 10
3156 static int generate_session_id(const SSL *ssl, unsigned char *id,
3157                                 unsigned int *id_len)
3158         {
3159         unsigned int count = 0;
3160         do      {
3161                 RAND_pseudo_bytes(id, *id_len);
3162                 /* Prefix the session_id with the required prefix. NB: If our
3163                  * prefix is too long, clip it - but there will be worse effects
3164                  * anyway, eg. the server could only possibly create 1 session
3165                  * ID (ie. the prefix!) so all future session negotiations will
3166                  * fail due to conflicts. */
3167                 memcpy(id, session_id_prefix,
3168                         (strlen(session_id_prefix) < *id_len) ?
3169                         strlen(session_id_prefix) : *id_len);
3170                 }
3171         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3172                 (++count < MAX_SESSION_ID_ATTEMPTS));
3173         if(count >= MAX_SESSION_ID_ATTEMPTS)
3174                 return 0;
3175         return 1;
3176         }
3177
3178 static int ssl_load_stores(SSL_CTX *sctx,
3179                         const char *vfyCApath, const char *vfyCAfile,
3180                         const char *chCApath, const char *chCAfile)
3181         {
3182         X509_STORE *vfy = NULL, *ch = NULL;
3183         int rv = 0;
3184         if (vfyCApath || vfyCAfile)
3185                 {
3186                 vfy = X509_STORE_new();
3187                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3188                         goto err;
3189                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3190                 }
3191         if (chCApath || chCAfile)
3192                 {
3193                 ch = X509_STORE_new();
3194                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3195                         goto err;
3196                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3197                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3198                 }
3199         rv = 1;
3200         err:
3201         if (vfy)
3202                 X509_STORE_free(vfy);
3203         if (ch)
3204                 X509_STORE_free(ch);
3205         return rv;
3206         }