apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 #endif
 274 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 275 #ifdef FIONBIO
 276 static int s_nbio=0;
 277 #endif
 278 static int s_nbio_test=0;
 279 int s_crlf=0;
 280 static SSL_CTX *ctx=NULL;
 281 #ifndef OPENSSL_NO_TLSEXT
 282 static SSL_CTX *ctx2=NULL;
 283 #endif
 284 static int www=0;
 285
 286 static BIO *bio_s_out=NULL;
 287 static BIO *bio_s_msg = NULL;
 288 static int s_debug=0;
 289 #ifndef OPENSSL_NO_TLSEXT
 290 static int s_tlsextdebug=0;
 291 static int s_tlsextstatus=0;
 292 static int cert_status_cb(SSL *s, void *arg);
 293 #endif
 294 static int s_msg=0;
 295 static int s_quiet=0;
 296
 297 static char *keymatexportlabel=NULL;
 298 static int keymatexportlen=20;
 299
 300 static int hack=0;
 301 #ifndef OPENSSL_NO_ENGINE
 302 static char *engine_id=NULL;
 303 #endif
 304 static const char *session_id_prefix=NULL;
 305
 306 static int enable_timeouts = 0;
 307 static long socket_mtu;
 308 #ifndef OPENSSL_NO_DTLS1
 309 static int cert_chain = 0;
 310 #endif
 311
 312 #ifndef OPENSSL_NO_TLSEXT
 313 static BIO *authz_in = NULL;
 314 static const char *s_authz_file = NULL;
 315 #endif
 316
 317 #ifndef OPENSSL_NO_PSK
 318 static char *psk_identity="Client_identity";
 319 char *psk_key=NULL; /* by default PSK is not used */
 320
 321 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 322         unsigned char *psk, unsigned int max_psk_len)
 323         {
 324         unsigned int psk_len = 0;
 325         int ret;
 326         BIGNUM *bn = NULL;
 327
 328         if (s_debug)
 329                 BIO_printf(bio_s_out,"psk_server_cb\n");
 330         if (!identity)
 331                 {
 332                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 333                 goto out_err;
 334                 }
 335         if (s_debug)
 336                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 337                         identity ? (int)strlen(identity) : 0, identity);
 338
 339         /* here we could lookup the given identity e.g. from a database */
 340         if (strcmp(identity, psk_identity) != 0)
 341                 {
 342                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 343                            " (got '%s' expected '%s')\n", identity,
 344                            psk_identity);
 345                 goto out_err;
 346                 }
 347         if (s_debug)
 348                 BIO_printf(bio_s_out, "PSK client identity found\n");
 349
 350         /* convert the PSK key to binary */
 351         ret = BN_hex2bn(&bn, psk_key);
 352         if (!ret)
 353                 {
 354                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 355                 if (bn)
 356                         BN_free(bn);
 357                 return 0;
 358                 }
 359         if (BN_num_bytes(bn) > (int)max_psk_len)
 360                 {
 361                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 362                         max_psk_len, BN_num_bytes(bn));
 363                 BN_free(bn);
 364                 return 0;
 365                 }
 366
 367         ret = BN_bn2bin(bn, psk);
 368         BN_free(bn);
 369
 370         if (ret < 0)
 371                 goto out_err;
 372         psk_len = (unsigned int)ret;
 373
 374         if (s_debug)
 375                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 376         return psk_len;
 377  out_err:
 378         if (s_debug)
 379                 BIO_printf(bio_err, "Error in PSK server callback\n");
 380         return 0;
 381         }
 382 #endif
 383
 384 #ifndef OPENSSL_NO_SRP
 385 /* This is a context that we pass to callbacks */
 386 typedef struct srpsrvparm_st
 387         {
 388         char *login;
 389         SRP_VBASE *vb;
 390         SRP_user_pwd *user;
 391         } srpsrvparm;
 392
 393 /* This callback pretends to require some asynchronous logic in order to obtain
 394    a verifier. When the callback is called for a new connection we return
 395    with a negative value. This will provoke the accept etc to return with
 396    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 397    (which would normally occur after a worker has finished) and we
 398    set the user parameters.
 399 */
 400 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 401         {
 402         srpsrvparm *p = (srpsrvparm *)arg;
 403         if (p->login == NULL && p->user == NULL )
 404                 {
 405                 p->login = SSL_get_srp_username(s);
 406                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 407                 return (-1) ;
 408                 }
 409
 410         if (p->user == NULL)
 411                 {
 412                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 413                 return SSL3_AL_FATAL;
 414                 }
 415         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 416                                      p->user->info) < 0)
 417                 {
 418                 *ad = SSL_AD_INTERNAL_ERROR;
 419                 return SSL3_AL_FATAL;
 420                 }
 421         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 422         /* need to check whether there are memory leaks */
 423         p->user = NULL;
 424         p->login = NULL;
 425         return SSL_ERROR_NONE;
 426         }
 427
 428 #endif
 429
 430 #ifdef MONOLITH
 431 static void s_server_init(void)
 432         {
 433         accept_socket=-1;
 434         cipher=NULL;
 435         s_server_verify=SSL_VERIFY_NONE;
 436         s_dcert_file=NULL;
 437         s_dkey_file=NULL;
 438         s_dchain_file=NULL;
 439         s_cert_file=TEST_CERT;
 440         s_key_file=NULL;
 441         s_chain_file=NULL;
 442 #ifndef OPENSSL_NO_TLSEXT
 443         s_cert_file2=TEST_CERT2;
 444         s_key_file2=NULL;
 445         ctx2=NULL;
 446 #endif
 447 #ifdef FIONBIO
 448         s_nbio=0;
 449 #endif
 450         s_nbio_test=0;
 451         ctx=NULL;
 452         www=0;
 453
 454         bio_s_out=NULL;
 455         s_debug=0;
 456         s_msg=0;
 457         s_quiet=0;
 458         hack=0;
 459 #ifndef OPENSSL_NO_ENGINE
 460         engine_id=NULL;
 461 #endif
 462         }
 463 #endif
 464
 465 static void sv_usage(void)
 466         {
 467         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 468         BIO_printf(bio_err,"\n");
 469         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 470         BIO_printf(bio_err," -context arg  - set session ID context\n");
 471         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 472         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 473         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 474         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 475         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 476         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 477                            "                 The CRL(s) are appended to the certificate file\n");
 478         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 479                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 480                            "                 the certificate file.\n");
 481         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 482         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 483         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 484         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 485         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 486         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 487         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 488         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 489         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 490         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 491         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 492         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 493 #ifndef OPENSSL_NO_ECDH
 494         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 495                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 496                            "                 (default is nistp256).\n");
 497 #endif
 498 #ifdef FIONBIO
 499         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 500 #endif
 501         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 502         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 503         BIO_printf(bio_err," -debug        - Print more output\n");
 504         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 505         BIO_printf(bio_err," -state        - Print the SSL states\n");
 506         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 507         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 508         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 509         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 510         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 511         BIO_printf(bio_err," -quiet        - No server output\n");
 512         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 513 #ifndef OPENSSL_NO_PSK
 514         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 515         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 516 # ifndef OPENSSL_NO_JPAKE
 517         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 518 # endif
 519 #endif
 520 #ifndef OPENSSL_NO_SRP
 521         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 522         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 523 #endif
 524         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 525         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 526         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 527         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 528         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 529         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 530         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 531         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 532         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 533         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 534         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 535         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 536         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 537         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 538 #ifndef OPENSSL_NO_DH
 539         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 540 #endif
 541 #ifndef OPENSSL_NO_ECDH
 542         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 543 #endif
 544         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 545         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 546         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 547         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 548         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 549 #ifndef OPENSSL_NO_ENGINE
 550         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 551 #endif
 552         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 553         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 554 #ifndef OPENSSL_NO_TLSEXT
 555         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 556         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 557         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 558         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 559         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 560         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 561         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 562         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 563         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 564 # ifndef OPENSSL_NO_NEXTPROTONEG
 565         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 566 # endif
 567         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 568 #endif
 569         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 570         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 571         }
 572
 573 static int local_argc=0;
 574 static char **local_argv;
 575
 576 #ifdef CHARSET_EBCDIC
 577 static int ebcdic_new(BIO *bi);
 578 static int ebcdic_free(BIO *a);
 579 static int ebcdic_read(BIO *b, char *out, int outl);
 580 static int ebcdic_write(BIO *b, const char *in, int inl);
 581 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 582 static int ebcdic_gets(BIO *bp, char *buf, int size);
 583 static int ebcdic_puts(BIO *bp, const char *str);
 584
 585 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 586 static BIO_METHOD methods_ebcdic=
 587         {
 588         BIO_TYPE_EBCDIC_FILTER,
 589         "EBCDIC/ASCII filter",
 590         ebcdic_write,
 591         ebcdic_read,
 592         ebcdic_puts,
 593         ebcdic_gets,
 594         ebcdic_ctrl,
 595         ebcdic_new,
 596         ebcdic_free,
 597         };
 598
 599 typedef struct
 600 {
 601         size_t  alloced;
 602         char    buff[1];
 603 } EBCDIC_OUTBUFF;
 604
 605 BIO_METHOD *BIO_f_ebcdic_filter()
 606 {
 607         return(&methods_ebcdic);
 608 }
 609
 610 static int ebcdic_new(BIO *bi)
 611 {
 612         EBCDIC_OUTBUFF *wbuf;
 613
 614         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 615         wbuf->alloced = 1024;
 616         wbuf->buff[0] = '\0';
 617
 618         bi->ptr=(char *)wbuf;
 619         bi->init=1;
 620         bi->flags=0;
 621         return(1);
 622 }
 623
 624 static int ebcdic_free(BIO *a)
 625 {
 626         if (a == NULL) return(0);
 627         if (a->ptr != NULL)
 628                 OPENSSL_free(a->ptr);
 629         a->ptr=NULL;
 630         a->init=0;
 631         a->flags=0;
 632         return(1);
 633 }
 634
 635 static int ebcdic_read(BIO *b, char *out, int outl)
 636 {
 637         int ret=0;
 638
 639         if (out == NULL || outl == 0) return(0);
 640         if (b->next_bio == NULL) return(0);
 641
 642         ret=BIO_read(b->next_bio,out,outl);
 643         if (ret > 0)
 644                 ascii2ebcdic(out,out,ret);
 645         return(ret);
 646 }
 647
 648 static int ebcdic_write(BIO *b, const char *in, int inl)
 649 {
 650         EBCDIC_OUTBUFF *wbuf;
 651         int ret=0;
 652         int num;
 653         unsigned char n;
 654
 655         if ((in == NULL) || (inl <= 0)) return(0);
 656         if (b->next_bio == NULL) return(0);
 657
 658         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 659
 660         if (inl > (num = wbuf->alloced))
 661         {
 662                 num = num + num;  /* double the size */
 663                 if (num < inl)
 664                         num = inl;
 665                 OPENSSL_free(wbuf);
 666                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 667
 668                 wbuf->alloced = num;
 669                 wbuf->buff[0] = '\0';
 670
 671                 b->ptr=(char *)wbuf;
 672         }
 673
 674         ebcdic2ascii(wbuf->buff, in, inl);
 675
 676         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 677
 678         return(ret);
 679 }
 680
 681 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 682 {
 683         long ret;
 684
 685         if (b->next_bio == NULL) return(0);
 686         switch (cmd)
 687         {
 688         case BIO_CTRL_DUP:
 689                 ret=0L;
 690                 break;
 691         default:
 692                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 693                 break;
 694         }
 695         return(ret);
 696 }
 697
 698 static int ebcdic_gets(BIO *bp, char *buf, int size)
 699 {
 700         int i, ret=0;
 701         if (bp->next_bio == NULL) return(0);
 702 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 703         for (i=0; i<size-1; ++i)
 704         {
 705                 ret = ebcdic_read(bp,&buf[i],1);
 706                 if (ret <= 0)
 707                         break;
 708                 else if (buf[i] == '\n')
 709                 {
 710                         ++i;
 711                         break;
 712                 }
 713         }
 714         if (i < size)
 715                 buf[i] = '\0';
 716         return (ret < 0 && i == 0) ? ret : i;
 717 }
 718
 719 static int ebcdic_puts(BIO *bp, const char *str)
 720 {
 721         if (bp->next_bio == NULL) return(0);
 722         return ebcdic_write(bp, str, strlen(str));
 723 }
 724 #endif
 725
 726 #ifndef OPENSSL_NO_TLSEXT
 727
 728 /* This is a context that we pass to callbacks */
 729 typedef struct tlsextctx_st {
 730    char * servername;
 731    BIO * biodebug;
 732    int extension_error;
 733 } tlsextctx;
 734
 735
 736 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 737         {
 738         tlsextctx * p = (tlsextctx *) arg;
 739         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 740         if (servername && p->biodebug)
 741                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 742
 743         if (!p->servername)
 744                 return SSL_TLSEXT_ERR_NOACK;
 745
 746         if (servername)
 747                 {
 748                 if (strcmp(servername,p->servername))
 749                         return p->extension_error;
 750                 if (ctx2)
 751                         {
 752                         BIO_printf(p->biodebug,"Switching server context.\n");
 753                         SSL_set_SSL_CTX(s,ctx2);
 754                         }
 755                 }
 756         return SSL_TLSEXT_ERR_OK;
 757 }
 758
 759 /* Structure passed to cert status callback */
 760
 761 typedef struct tlsextstatusctx_st {
 762    /* Default responder to use */
 763    char *host, *path, *port;
 764    int use_ssl;
 765    int timeout;
 766    BIO *err;
 767    int verbose;
 768 } tlsextstatusctx;
 769
 770 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 771
 772 /* Certificate Status callback. This is called when a client includes a
 773  * certificate status request extension.
 774  *
 775  * This is a simplified version. It examines certificates each time and
 776  * makes one OCSP responder query for each request.
 777  *
 778  * A full version would store details such as the OCSP certificate IDs and
 779  * minimise the number of OCSP responses by caching them until they were
 780  * considered "expired".
 781  */
 782
 783 static int cert_status_cb(SSL *s, void *arg)
 784         {
 785         tlsextstatusctx *srctx = arg;
 786         BIO *err = srctx->err;
 787         char *host, *port, *path;
 788         int use_ssl;
 789         unsigned char *rspder = NULL;
 790         int rspderlen;
 791         STACK_OF(OPENSSL_STRING) *aia = NULL;
 792         X509 *x = NULL;
 793         X509_STORE_CTX inctx;
 794         X509_OBJECT obj;
 795         OCSP_REQUEST *req = NULL;
 796         OCSP_RESPONSE *resp = NULL;
 797         OCSP_CERTID *id = NULL;
 798         STACK_OF(X509_EXTENSION) *exts;
 799         int ret = SSL_TLSEXT_ERR_NOACK;
 800         int i;
 801 #if 0
 802 STACK_OF(OCSP_RESPID) *ids;
 803 SSL_get_tlsext_status_ids(s, &ids);
 804 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 805 #endif
 806         if (srctx->verbose)
 807                 BIO_puts(err, "cert_status: callback called\n");
 808         /* Build up OCSP query from server certificate */
 809         x = SSL_get_certificate(s);
 810         aia = X509_get1_ocsp(x);
 811         if (aia)
 812                 {
 813                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 814                         &host, &port, &path, &use_ssl))
 815                         {
 816                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 817                         goto err;
 818                         }
 819                 if (srctx->verbose)
 820                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 821                                         sk_OPENSSL_STRING_value(aia, 0));
 822                 }
 823         else
 824                 {
 825                 if (!srctx->host)
 826                         {
 827                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 828                         goto done;
 829                         }
 830                 host = srctx->host;
 831                 path = srctx->path;
 832                 port = srctx->port;
 833                 use_ssl = srctx->use_ssl;
 834                 }
 835
 836         if (!X509_STORE_CTX_init(&inctx,
 837                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 838                                 NULL, NULL))
 839                 goto err;
 840         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 841                                 X509_get_issuer_name(x),&obj) <= 0)
 842                 {
 843                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 844                 X509_STORE_CTX_cleanup(&inctx);
 845                 goto done;
 846                 }
 847         req = OCSP_REQUEST_new();
 848         if (!req)
 849                 goto err;
 850         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 851         X509_free(obj.data.x509);
 852         X509_STORE_CTX_cleanup(&inctx);
 853         if (!id)
 854                 goto err;
 855         if (!OCSP_request_add0_id(req, id))
 856                 goto err;
 857         id = NULL;
 858         /* Add any extensions to the request */
 859         SSL_get_tlsext_status_exts(s, &exts);
 860         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 861                 {
 862                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 863                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 864                         goto err;
 865                 }
 866         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 867                                         srctx->timeout);
 868         if (!resp)
 869                 {
 870                 BIO_puts(err, "cert_status: error querying responder\n");
 871                 goto done;
 872                 }
 873         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 874         if (rspderlen <= 0)
 875                 goto err;
 876         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 877         if (srctx->verbose)
 878                 {
 879                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 880                 OCSP_RESPONSE_print(err, resp, 2);
 881                 }
 882         ret = SSL_TLSEXT_ERR_OK;
 883         done:
 884         if (ret != SSL_TLSEXT_ERR_OK)
 885                 ERR_print_errors(err);
 886         if (aia)
 887                 {
 888                 OPENSSL_free(host);
 889                 OPENSSL_free(path);
 890                 OPENSSL_free(port);
 891                 X509_email_free(aia);
 892                 }
 893         if (id)
 894                 OCSP_CERTID_free(id);
 895         if (req)
 896                 OCSP_REQUEST_free(req);
 897         if (resp)
 898                 OCSP_RESPONSE_free(resp);
 899         return ret;
 900         err:
 901         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 902         goto done;
 903         }
 904
 905 # ifndef OPENSSL_NO_NEXTPROTONEG
 906 /* This is the context that we pass to next_proto_cb */
 907 typedef struct tlsextnextprotoctx_st {
 908         unsigned char *data;
 909         unsigned int len;
 910 } tlsextnextprotoctx;
 911
 912 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 913         {
 914         tlsextnextprotoctx *next_proto = arg;
 915
 916         *data = next_proto->data;
 917         *len = next_proto->len;
 918
 919         return SSL_TLSEXT_ERR_OK;
 920         }
 921 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 922
 923
 924 #endif
 925
 926 int MAIN(int, char **);
 927
 928 #ifndef OPENSSL_NO_JPAKE
 929 static char *jpake_secret = NULL;
 930 #define no_jpake !jpake_secret
 931 #else
 932 #define no_jpake 1
 933 #endif
 934 #ifndef OPENSSL_NO_SRP
 935         static srpsrvparm srp_callback_parm;
 936 #endif
 937 static char *srtp_profiles = NULL;
 938
 939 int MAIN(int argc, char *argv[])
 940         {
 941         X509_VERIFY_PARAM *vpm = NULL;
 942         int badarg = 0;
 943         short port=PORT;
 944         char *CApath=NULL,*CAfile=NULL;
 945         char *chCApath=NULL,*chCAfile=NULL;
 946         char *vfyCApath=NULL,*vfyCAfile=NULL;
 947         unsigned char *context = NULL;
 948         char *dhfile = NULL;
 949 #ifndef OPENSSL_NO_ECDH
 950         char *named_curve = NULL;
 951 #endif
 952         int badop=0;
 953         int ret=1;
 954         int build_chain = 0;
 955         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 956         int state=0;
 957         const SSL_METHOD *meth=NULL;
 958         int socket_type=SOCK_STREAM;
 959         ENGINE *e=NULL;
 960         char *inrand=NULL;
 961         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 962         char *passarg = NULL, *pass = NULL;
 963         char *dpassarg = NULL, *dpass = NULL;
 964         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 965         X509 *s_cert = NULL, *s_dcert = NULL;
 966         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 967         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 968         int no_cache = 0;
 969 #ifndef OPENSSL_NO_TLSEXT
 970         EVP_PKEY *s_key2 = NULL;
 971         X509 *s_cert2 = NULL;
 972         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 973 # ifndef OPENSSL_NO_NEXTPROTONEG
 974         const char *next_proto_neg_in = NULL;
 975         tlsextnextprotoctx next_proto;
 976 # endif
 977 #endif
 978 #ifndef OPENSSL_NO_PSK
 979         /* by default do not send a PSK identity hint */
 980         static char *psk_identity_hint=NULL;
 981 #endif
 982 #ifndef OPENSSL_NO_SRP
 983         char *srpuserseed = NULL;
 984         char *srp_verifier_file = NULL;
 985 #endif
 986         SSL_EXCERT *exc = NULL;
 987         SSL_CONF_CTX *cctx = NULL;
 988         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 989
 990         char *crl_file = NULL;
 991         int crl_format = FORMAT_PEM;
 992         STACK_OF(X509_CRL) *crls = NULL;
 993
 994         meth=SSLv23_server_method();
 995
 996         local_argc=argc;
 997         local_argv=argv;
 998
 999         apps_startup();
1000 #ifdef MONOLITH
1001         s_server_init();
1002 #endif
1003
1004         if (bio_err == NULL)
1005                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1006
1007         if (!load_config(bio_err, NULL))
1008                 goto end;
1009
1010         cctx = SSL_CONF_CTX_new();
1011         if (!cctx)
1012                 goto end;
1013         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1014         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1015
1016         verify_depth=0;
1017 #ifdef FIONBIO
1018         s_nbio=0;
1019 #endif
1020         s_nbio_test=0;
1021
1022         argc--;
1023         argv++;
1024
1025         while (argc >= 1)
1026                 {
1027                 if      ((strcmp(*argv,"-port") == 0) ||
1028                          (strcmp(*argv,"-accept") == 0))
1029                         {
1030                         if (--argc < 1) goto bad;
1031                         if (!extract_port(*(++argv),&port))
1032                                 goto bad;
1033                         }
1034                 else if (strcmp(*argv,"-verify") == 0)
1035                         {
1036                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1037                         if (--argc < 1) goto bad;
1038                         verify_depth=atoi(*(++argv));
1039                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1040                         }
1041                 else if (strcmp(*argv,"-Verify") == 0)
1042                         {
1043                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1044                                 SSL_VERIFY_CLIENT_ONCE;
1045                         if (--argc < 1) goto bad;
1046                         verify_depth=atoi(*(++argv));
1047                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1048                         }
1049                 else if (strcmp(*argv,"-context") == 0)
1050                         {
1051                         if (--argc < 1) goto bad;
1052                         context= (unsigned char *)*(++argv);
1053                         }
1054                 else if (strcmp(*argv,"-cert") == 0)
1055                         {
1056                         if (--argc < 1) goto bad;
1057                         s_cert_file= *(++argv);
1058                         }
1059                 else if (strcmp(*argv,"-CRL") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         crl_file= *(++argv);
1063                         }
1064 #ifndef OPENSSL_NO_TLSEXT
1065                 else if (strcmp(*argv,"-authz") == 0)
1066                         {
1067                         if (--argc < 1) goto bad;
1068                         s_authz_file = *(++argv);
1069                         }
1070 #endif
1071                 else if (strcmp(*argv,"-certform") == 0)
1072                         {
1073                         if (--argc < 1) goto bad;
1074                         s_cert_format = str2fmt(*(++argv));
1075                         }
1076                 else if (strcmp(*argv,"-key") == 0)
1077                         {
1078                         if (--argc < 1) goto bad;
1079                         s_key_file= *(++argv);
1080                         }
1081                 else if (strcmp(*argv,"-keyform") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         s_key_format = str2fmt(*(++argv));
1085                         }
1086                 else if (strcmp(*argv,"-pass") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         passarg = *(++argv);
1090                         }
1091                 else if (strcmp(*argv,"-cert_chain") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         s_chain_file= *(++argv);
1095                         }
1096                 else if (strcmp(*argv,"-dhparam") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         dhfile = *(++argv);
1100                         }
1101 #ifndef OPENSSL_NO_ECDH
1102                 else if (strcmp(*argv,"-named_curve") == 0)
1103                         {
1104                         if (--argc < 1) goto bad;
1105                         named_curve = *(++argv);
1106                         }
1107 #endif
1108                 else if (strcmp(*argv,"-dcertform") == 0)
1109                         {
1110                         if (--argc < 1) goto bad;
1111                         s_dcert_format = str2fmt(*(++argv));
1112                         }
1113                 else if (strcmp(*argv,"-dcert") == 0)
1114                         {
1115                         if (--argc < 1) goto bad;
1116                         s_dcert_file= *(++argv);
1117                         }
1118                 else if (strcmp(*argv,"-dkeyform") == 0)
1119                         {
1120                         if (--argc < 1) goto bad;
1121                         s_dkey_format = str2fmt(*(++argv));
1122                         }
1123                 else if (strcmp(*argv,"-dpass") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         dpassarg = *(++argv);
1127                         }
1128                 else if (strcmp(*argv,"-dkey") == 0)
1129                         {
1130                         if (--argc < 1) goto bad;
1131                         s_dkey_file= *(++argv);
1132                         }
1133                 else if (strcmp(*argv,"-dcert_chain") == 0)
1134                         {
1135                         if (--argc < 1) goto bad;
1136                         s_dchain_file= *(++argv);
1137                         }
1138                 else if (strcmp(*argv,"-nocert") == 0)
1139                         {
1140                         nocert=1;
1141                         }
1142                 else if (strcmp(*argv,"-CApath") == 0)
1143                         {
1144                         if (--argc < 1) goto bad;
1145                         CApath= *(++argv);
1146                         }
1147                 else if (strcmp(*argv,"-chainCApath") == 0)
1148                         {
1149                         if (--argc < 1) goto bad;
1150                         chCApath= *(++argv);
1151                         }
1152                 else if (strcmp(*argv,"-verifyCApath") == 0)
1153                         {
1154                         if (--argc < 1) goto bad;
1155                         vfyCApath= *(++argv);
1156                         }
1157                 else if (strcmp(*argv,"-no_cache") == 0)
1158                         no_cache = 1;
1159                 else if (strcmp(*argv,"-CRLform") == 0)
1160                         {
1161                         if (--argc < 1) goto bad;
1162                         crl_format = str2fmt(*(++argv));
1163                         }
1164                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1165                         {
1166                         if (badarg)
1167                                 goto bad;
1168                         continue;
1169                         }
1170                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1171                         {
1172                         if (badarg)
1173                                 goto bad;
1174                         continue;
1175                         }
1176                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1177                         {
1178                         if (badarg)
1179                                 goto bad;
1180                         continue;
1181                         }
1182                 else if (strcmp(*argv,"-verify_return_error") == 0)
1183                         verify_return_error = 1;
1184                 else if (strcmp(*argv,"-build_chain") == 0)
1185                         build_chain = 1;
1186                 else if (strcmp(*argv,"-CAfile") == 0)
1187                         {
1188                         if (--argc < 1) goto bad;
1189                         CAfile= *(++argv);
1190                         }
1191                 else if (strcmp(*argv,"-chainCAfile") == 0)
1192                         {
1193                         if (--argc < 1) goto bad;
1194                         chCAfile= *(++argv);
1195                         }
1196                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1197                         {
1198                         if (--argc < 1) goto bad;
1199                         vfyCAfile= *(++argv);
1200                         }
1201 #ifdef FIONBIO
1202                 else if (strcmp(*argv,"-nbio") == 0)
1203                         { s_nbio=1; }
1204 #endif
1205                 else if (strcmp(*argv,"-nbio_test") == 0)
1206                         {
1207 #ifdef FIONBIO
1208                         s_nbio=1;
1209 #endif
1210                         s_nbio_test=1;
1211                         }
1212                 else if (strcmp(*argv,"-debug") == 0)
1213                         { s_debug=1; }
1214 #ifndef OPENSSL_NO_TLSEXT
1215                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1216                         s_tlsextdebug=1;
1217                 else if (strcmp(*argv,"-status") == 0)
1218                         s_tlsextstatus=1;
1219                 else if (strcmp(*argv,"-status_verbose") == 0)
1220                         {
1221                         s_tlsextstatus=1;
1222                         tlscstatp.verbose = 1;
1223                         }
1224                 else if (!strcmp(*argv, "-status_timeout"))
1225                         {
1226                         s_tlsextstatus=1;
1227                         if (--argc < 1) goto bad;
1228                         tlscstatp.timeout = atoi(*(++argv));
1229                         }
1230                 else if (!strcmp(*argv, "-status_url"))
1231                         {
1232                         s_tlsextstatus=1;
1233                         if (--argc < 1) goto bad;
1234                         if (!OCSP_parse_url(*(++argv),
1235                                         &tlscstatp.host,
1236                                         &tlscstatp.port,
1237                                         &tlscstatp.path,
1238                                         &tlscstatp.use_ssl))
1239                                 {
1240                                 BIO_printf(bio_err, "Error parsing URL\n");
1241                                 goto bad;
1242                                 }
1243                         }
1244 #endif
1245                 else if (strcmp(*argv,"-msg") == 0)
1246                         { s_msg=1; }
1247                 else if (strcmp(*argv,"-msgfile") == 0)
1248                         {
1249                         if (--argc < 1) goto bad;
1250                         bio_s_msg = BIO_new_file(*(++argv), "w");
1251                         }
1252 #ifndef OPENSSL_NO_SSL_TRACE
1253                 else if (strcmp(*argv,"-trace") == 0)
1254                         { s_msg=2; }
1255 #endif
1256                 else if (strcmp(*argv,"-hack") == 0)
1257                         { hack=1; }
1258                 else if (strcmp(*argv,"-state") == 0)
1259                         { state=1; }
1260                 else if (strcmp(*argv,"-crlf") == 0)
1261                         { s_crlf=1; }
1262                 else if (strcmp(*argv,"-quiet") == 0)
1263                         { s_quiet=1; }
1264                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1265                         { no_tmp_rsa=1; }
1266                 else if (strcmp(*argv,"-no_dhe") == 0)
1267                         { no_dhe=1; }
1268                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1269                         { no_ecdhe=1; }
1270 #ifndef OPENSSL_NO_PSK
1271                 else if (strcmp(*argv,"-psk_hint") == 0)
1272                         {
1273                         if (--argc < 1) goto bad;
1274                         psk_identity_hint= *(++argv);
1275                         }
1276                 else if (strcmp(*argv,"-psk") == 0)
1277                         {
1278                         size_t i;
1279
1280                         if (--argc < 1) goto bad;
1281                         psk_key=*(++argv);
1282                         for (i=0; i<strlen(psk_key); i++)
1283                                 {
1284                                 if (isxdigit((unsigned char)psk_key[i]))
1285                                         continue;
1286                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1287                                 goto bad;
1288                                 }
1289                         }
1290 #endif
1291 #ifndef OPENSSL_NO_SRP
1292                 else if (strcmp(*argv, "-srpvfile") == 0)
1293                         {
1294                         if (--argc < 1) goto bad;
1295                         srp_verifier_file = *(++argv);
1296                         meth = TLSv1_server_method();
1297                         }
1298                 else if (strcmp(*argv, "-srpuserseed") == 0)
1299                         {
1300                         if (--argc < 1) goto bad;
1301                         srpuserseed = *(++argv);
1302                         meth = TLSv1_server_method();
1303                         }
1304 #endif
1305                 else if (strcmp(*argv,"-www") == 0)
1306                         { www=1; }
1307                 else if (strcmp(*argv,"-WWW") == 0)
1308                         { www=2; }
1309                 else if (strcmp(*argv,"-HTTP") == 0)
1310                         { www=3; }
1311 #ifndef OPENSSL_NO_SSL2
1312                 else if (strcmp(*argv,"-ssl2") == 0)
1313                         { meth=SSLv2_server_method(); }
1314 #endif
1315 #ifndef OPENSSL_NO_SSL3
1316                 else if (strcmp(*argv,"-ssl3") == 0)
1317                         { meth=SSLv3_server_method(); }
1318 #endif
1319 #ifndef OPENSSL_NO_TLS1
1320                 else if (strcmp(*argv,"-tls1") == 0)
1321                         { meth=TLSv1_server_method(); }
1322                 else if (strcmp(*argv,"-tls1_1") == 0)
1323                         { meth=TLSv1_1_server_method(); }
1324                 else if (strcmp(*argv,"-tls1_2") == 0)
1325                         { meth=TLSv1_2_server_method(); }
1326 #endif
1327 #ifndef OPENSSL_NO_DTLS1
1328                 else if (strcmp(*argv,"-dtls1") == 0)
1329                         {
1330                         meth=DTLSv1_server_method();
1331                         socket_type = SOCK_DGRAM;
1332                         }
1333                 else if (strcmp(*argv,"-timeout") == 0)
1334                         enable_timeouts = 1;
1335                 else if (strcmp(*argv,"-mtu") == 0)
1336                         {
1337                         if (--argc < 1) goto bad;
1338                         socket_mtu = atol(*(++argv));
1339                         }
1340                 else if (strcmp(*argv, "-chain") == 0)
1341                         cert_chain = 1;
1342 #endif
1343                 else if (strcmp(*argv, "-id_prefix") == 0)
1344                         {
1345                         if (--argc < 1) goto bad;
1346                         session_id_prefix = *(++argv);
1347                         }
1348 #ifndef OPENSSL_NO_ENGINE
1349                 else if (strcmp(*argv,"-engine") == 0)
1350                         {
1351                         if (--argc < 1) goto bad;
1352                         engine_id= *(++argv);
1353                         }
1354 #endif
1355                 else if (strcmp(*argv,"-rand") == 0)
1356                         {
1357                         if (--argc < 1) goto bad;
1358                         inrand= *(++argv);
1359                         }
1360 #ifndef OPENSSL_NO_TLSEXT
1361                 else if (strcmp(*argv,"-servername") == 0)
1362                         {
1363                         if (--argc < 1) goto bad;
1364                         tlsextcbp.servername= *(++argv);
1365                         }
1366                 else if (strcmp(*argv,"-servername_fatal") == 0)
1367                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1368                 else if (strcmp(*argv,"-cert2") == 0)
1369                         {
1370                         if (--argc < 1) goto bad;
1371                         s_cert_file2= *(++argv);
1372                         }
1373                 else if (strcmp(*argv,"-key2") == 0)
1374                         {
1375                         if (--argc < 1) goto bad;
1376                         s_key_file2= *(++argv);
1377                         }
1378 # ifndef OPENSSL_NO_NEXTPROTONEG
1379                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1380                         {
1381                         if (--argc < 1) goto bad;
1382                         next_proto_neg_in = *(++argv);
1383                         }
1384 # endif
1385 #endif
1386 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1387                 else if (strcmp(*argv,"-jpake") == 0)
1388                         {
1389                         if (--argc < 1) goto bad;
1390                         jpake_secret = *(++argv);
1391                         }
1392 #endif
1393                 else if (strcmp(*argv,"-use_srtp") == 0)
1394                         {
1395                         if (--argc < 1) goto bad;
1396                         srtp_profiles = *(++argv);
1397                         }
1398                 else if (strcmp(*argv,"-keymatexport") == 0)
1399                         {
1400                         if (--argc < 1) goto bad;
1401                         keymatexportlabel= *(++argv);
1402                         }
1403                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1404                         {
1405                         if (--argc < 1) goto bad;
1406                         keymatexportlen=atoi(*(++argv));
1407                         if (keymatexportlen == 0) goto bad;
1408                         }
1409                 else
1410                         {
1411                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1412                         badop=1;
1413                         break;
1414                         }
1415                 argc--;
1416                 argv++;
1417                 }
1418         if (badop)
1419                 {
1420 bad:
1421                 sv_usage();
1422                 goto end;
1423                 }
1424
1425 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1426         if (jpake_secret)
1427                 {
1428                 if (psk_key)
1429                         {
1430                         BIO_printf(bio_err,
1431                                    "Can't use JPAKE and PSK together\n");
1432                         goto end;
1433                         }
1434                 psk_identity = "JPAKE";
1435                 }
1436 #endif
1437
1438         SSL_load_error_strings();
1439         OpenSSL_add_ssl_algorithms();
1440
1441 #ifndef OPENSSL_NO_ENGINE
1442         e = setup_engine(bio_err, engine_id, 1);
1443 #endif
1444
1445         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1446                 {
1447                 BIO_printf(bio_err, "Error getting password\n");
1448                 goto end;
1449                 }
1450
1451
1452         if (s_key_file == NULL)
1453                 s_key_file = s_cert_file;
1454 #ifndef OPENSSL_NO_TLSEXT
1455         if (s_key_file2 == NULL)
1456                 s_key_file2 = s_cert_file2;
1457 #endif
1458
1459         if (!load_excert(&exc, bio_err))
1460                 goto end;
1461
1462         if (nocert == 0)
1463                 {
1464                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1465                        "server certificate private key file");
1466                 if (!s_key)
1467                         {
1468                         ERR_print_errors(bio_err);
1469                         goto end;
1470                         }
1471
1472                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1473                         NULL, e, "server certificate file");
1474
1475                 if (!s_cert)
1476                         {
1477                         ERR_print_errors(bio_err);
1478                         goto end;
1479                         }
1480                 if (s_chain_file)
1481                         {
1482                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1483                                         NULL, e, "server certificate chain");
1484                         if (!s_chain)
1485                                 goto end;
1486                         }
1487
1488 #ifndef OPENSSL_NO_TLSEXT
1489                 if (tlsextcbp.servername)
1490                         {
1491                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1492                                 "second server certificate private key file");
1493                         if (!s_key2)
1494                                 {
1495                                 ERR_print_errors(bio_err);
1496                                 goto end;
1497                                 }
1498
1499                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1500                                 NULL, e, "second server certificate file");
1501
1502                         if (!s_cert2)
1503                                 {
1504                                 ERR_print_errors(bio_err);
1505                                 goto end;
1506                                 }
1507                         }
1508 #endif /* OPENSSL_NO_TLSEXT */
1509                 }
1510
1511 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1512         if (next_proto_neg_in)
1513                 {
1514                 unsigned short len;
1515                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1516                 if (next_proto.data == NULL)
1517                         goto end;
1518                 next_proto.len = len;
1519                 }
1520         else
1521                 {
1522                 next_proto.data = NULL;
1523                 }
1524 #endif
1525
1526         if (crl_file)
1527                 {
1528                 X509_CRL *crl;
1529                 crl = load_crl(crl_file, crl_format);
1530                 if (!crl)
1531                         {
1532                         BIO_puts(bio_err, "Error loading CRL\n");
1533                         ERR_print_errors(bio_err);
1534                         goto end;
1535                         }
1536                 crls = sk_X509_CRL_new_null();
1537                 if (!crls || !sk_X509_CRL_push(crls, crl))
1538                         {
1539                         BIO_puts(bio_err, "Error adding CRL\n");
1540                         ERR_print_errors(bio_err);
1541                         X509_CRL_free(crl);
1542                         goto end;
1543                         }
1544                 }
1545
1546
1547         if (s_dcert_file)
1548                 {
1549
1550                 if (s_dkey_file == NULL)
1551                         s_dkey_file = s_dcert_file;
1552
1553                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1554                                 0, dpass, e,
1555                                "second certificate private key file");
1556                 if (!s_dkey)
1557                         {
1558                         ERR_print_errors(bio_err);
1559                         goto end;
1560                         }
1561
1562                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1563                                 NULL, e, "second server certificate file");
1564
1565                 if (!s_dcert)
1566                         {
1567                         ERR_print_errors(bio_err);
1568                         goto end;
1569                         }
1570                 if (s_dchain_file)
1571                         {
1572                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1573                                 NULL, e, "second server certificate chain");
1574                         if (!s_dchain)
1575                                 goto end;
1576                         }
1577
1578                 }
1579
1580         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1581                 && !RAND_status())
1582                 {
1583                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1584                 }
1585         if (inrand != NULL)
1586                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1587                         app_RAND_load_files(inrand));
1588
1589         if (bio_s_out == NULL)
1590                 {
1591                 if (s_quiet && !s_debug && !s_msg)
1592                         {
1593                         bio_s_out=BIO_new(BIO_s_null());
1594                         if (s_msg && !bio_s_msg)
1595                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1596                         }
1597                 else
1598                         {
1599                         if (bio_s_out == NULL)
1600                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1601                         }
1602                 }
1603
1604 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1605         if (nocert)
1606 #endif
1607                 {
1608                 s_cert_file=NULL;
1609                 s_key_file=NULL;
1610                 s_dcert_file=NULL;
1611                 s_dkey_file=NULL;
1612 #ifndef OPENSSL_NO_TLSEXT
1613                 s_cert_file2=NULL;
1614                 s_key_file2=NULL;
1615 #endif
1616                 }
1617
1618         ctx=SSL_CTX_new(meth);
1619         if (ctx == NULL)
1620                 {
1621                 ERR_print_errors(bio_err);
1622                 goto end;
1623                 }
1624         if (session_id_prefix)
1625                 {
1626                 if(strlen(session_id_prefix) >= 32)
1627                         BIO_printf(bio_err,
1628 "warning: id_prefix is too long, only one new session will be possible\n");
1629                 else if(strlen(session_id_prefix) >= 16)
1630                         BIO_printf(bio_err,
1631 "warning: id_prefix is too long if you use SSLv2\n");
1632                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1633                         {
1634                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1635                         ERR_print_errors(bio_err);
1636                         goto end;
1637                         }
1638                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1639                 }
1640         SSL_CTX_set_quiet_shutdown(ctx,1);
1641         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1642         if (exc) ssl_ctx_set_excert(ctx, exc);
1643         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1644          * Setting read ahead solves this problem.
1645          */
1646         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1647
1648         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1649         if (no_cache)
1650                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1651         else
1652                 SSL_CTX_sess_set_cache_size(ctx,128);
1653
1654         if (srtp_profiles != NULL)
1655                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1656
1657 #if 0
1658         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1659 #endif
1660
1661 #if 0
1662         if (s_cert_file == NULL)
1663                 {
1664                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1665                 goto end;
1666                 }
1667 #endif
1668
1669         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1670                 (!SSL_CTX_set_default_verify_paths(ctx)))
1671                 {
1672                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1673                 ERR_print_errors(bio_err);
1674                 /* goto end; */
1675                 }
1676         if (vpm)
1677                 SSL_CTX_set1_param(ctx, vpm);
1678
1679         ssl_ctx_add_crls(ctx, crls);
1680
1681         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1682                 goto end;
1683
1684         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, crls))
1685                 {
1686                 BIO_printf(bio_err, "Error loading store locations\n");
1687                 ERR_print_errors(bio_err);
1688                 goto end;
1689                 }
1690
1691 #ifndef OPENSSL_NO_TLSEXT
1692         if (s_cert2)
1693                 {
1694                 ctx2=SSL_CTX_new(meth);
1695                 if (ctx2 == NULL)
1696                         {
1697                         ERR_print_errors(bio_err);
1698                         goto end;
1699                         }
1700                 }
1701
1702         if (ctx2)
1703                 {
1704                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1705
1706                 if (session_id_prefix)
1707                         {
1708                         if(strlen(session_id_prefix) >= 32)
1709                                 BIO_printf(bio_err,
1710                                         "warning: id_prefix is too long, only one new session will be possible\n");
1711                         else if(strlen(session_id_prefix) >= 16)
1712                                 BIO_printf(bio_err,
1713                                         "warning: id_prefix is too long if you use SSLv2\n");
1714                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1715                                 {
1716                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1717                                 ERR_print_errors(bio_err);
1718                                 goto end;
1719                                 }
1720                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1721                         }
1722                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1723                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1724                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1725                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1726                  * Setting read ahead solves this problem.
1727                  */
1728                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1729
1730                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1731
1732                 if (no_cache)
1733                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1734                 else
1735                         SSL_CTX_sess_set_cache_size(ctx2,128);
1736
1737                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1738                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1739                         {
1740                         ERR_print_errors(bio_err);
1741                         }
1742                 if (vpm)
1743                         SSL_CTX_set1_param(ctx2, vpm);
1744
1745                 ssl_ctx_add_crls(ctx2, crls);
1746
1747                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1748                         goto end;
1749
1750                 }
1751
1752 # ifndef OPENSSL_NO_NEXTPROTONEG
1753         if (next_proto.data)
1754                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1755 # endif
1756 #endif
1757
1758 #ifndef OPENSSL_NO_DH
1759         if (!no_dhe)
1760                 {
1761                 DH *dh=NULL;
1762
1763                 if (dhfile)
1764                         dh = load_dh_param(dhfile);
1765                 else if (s_cert_file)
1766                         dh = load_dh_param(s_cert_file);
1767
1768                 if (dh != NULL)
1769                         {
1770                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1771                         }
1772                 else
1773                         {
1774                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1775                         dh=get_dh512();
1776                         }
1777                 (void)BIO_flush(bio_s_out);
1778
1779                 SSL_CTX_set_tmp_dh(ctx,dh);
1780 #ifndef OPENSSL_NO_TLSEXT
1781                 if (ctx2)
1782                         {
1783                         if (!dhfile)
1784                                 {
1785                                 DH *dh2=load_dh_param(s_cert_file2);
1786                                 if (dh2 != NULL)
1787                                         {
1788                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1789                                         (void)BIO_flush(bio_s_out);
1790
1791                                         DH_free(dh);
1792                                         dh = dh2;
1793                                         }
1794                                 }
1795                         SSL_CTX_set_tmp_dh(ctx2,dh);
1796                         }
1797 #endif
1798                 DH_free(dh);
1799                 }
1800 #endif
1801
1802 #ifndef OPENSSL_NO_ECDH
1803         if (!no_ecdhe)
1804                 {
1805                 EC_KEY *ecdh=NULL;
1806
1807                 if (named_curve && strcmp(named_curve, "auto"))
1808                         {
1809                         int nid = EC_curve_nist2nid(named_curve);
1810                         if (nid == NID_undef)
1811                                 nid = OBJ_sn2nid(named_curve);
1812                         if (nid == 0)
1813                                 {
1814                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1815                                         named_curve);
1816                                 goto end;
1817                                 }
1818                         ecdh = EC_KEY_new_by_curve_name(nid);
1819                         if (ecdh == NULL)
1820                                 {
1821                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1822                                         named_curve);
1823                                 goto end;
1824                                 }
1825                         }
1826
1827                 if (ecdh != NULL)
1828                         {
1829                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1830                         }
1831                 else if (named_curve)
1832                         SSL_CTX_set_ecdh_auto(ctx, 1);
1833                 else
1834                         {
1835                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1836                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1837                         if (ecdh == NULL)
1838                                 {
1839                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1840                                 goto end;
1841                                 }
1842                         }
1843                 (void)BIO_flush(bio_s_out);
1844
1845                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1846 #ifndef OPENSSL_NO_TLSEXT
1847                 if (ctx2)
1848                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1849 #endif
1850                 EC_KEY_free(ecdh);
1851                 }
1852 #endif
1853
1854         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1855                 goto end;
1856 #ifndef OPENSSL_NO_TLSEXT
1857         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1858                 goto end;
1859 #endif
1860 #ifndef OPENSSL_NO_TLSEXT
1861         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1862                 goto end;
1863 #endif
1864         if (s_dcert != NULL)
1865                 {
1866                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1867                         goto end;
1868                 }
1869
1870 #ifndef OPENSSL_NO_RSA
1871 #if 1
1872         if (!no_tmp_rsa)
1873                 {
1874                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1875 #ifndef OPENSSL_NO_TLSEXT
1876                 if (ctx2)
1877                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1878 #endif
1879                 }
1880 #else
1881         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1882                 {
1883                 RSA *rsa;
1884
1885                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1886                 BIO_flush(bio_s_out);
1887
1888                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1889
1890                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1891                         {
1892                         ERR_print_errors(bio_err);
1893                         goto end;
1894                         }
1895 #ifndef OPENSSL_NO_TLSEXT
1896                         if (ctx2)
1897                                 {
1898                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1899                                         {
1900                                         ERR_print_errors(bio_err);
1901                                         goto end;
1902                                         }
1903                                 }
1904 #endif
1905                 RSA_free(rsa);
1906                 BIO_printf(bio_s_out,"\n");
1907                 }
1908 #endif
1909 #endif
1910
1911 #ifndef OPENSSL_NO_PSK
1912 #ifdef OPENSSL_NO_JPAKE
1913         if (psk_key != NULL)
1914 #else
1915         if (psk_key != NULL || jpake_secret)
1916 #endif
1917                 {
1918                 if (s_debug)
1919                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1920                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1921                 }
1922
1923         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1924                 {
1925                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1926                 ERR_print_errors(bio_err);
1927                 goto end;
1928                 }
1929 #endif
1930
1931         if (cipher != NULL)
1932                 {
1933                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1934                         {
1935                         BIO_printf(bio_err,"error setting cipher list\n");
1936                         ERR_print_errors(bio_err);
1937                         goto end;
1938                         }
1939 #ifndef OPENSSL_NO_TLSEXT
1940                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1941                         {
1942                         BIO_printf(bio_err,"error setting cipher list\n");
1943                         ERR_print_errors(bio_err);
1944                         goto end;
1945                         }
1946 #endif
1947                 }
1948         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1949         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1950                 sizeof s_server_session_id_context);
1951
1952         /* Set DTLS cookie generation and verification callbacks */
1953         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1954         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1955
1956 #ifndef OPENSSL_NO_TLSEXT
1957         if (ctx2)
1958                 {
1959                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1960                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1961                         sizeof s_server_session_id_context);
1962
1963                 tlsextcbp.biodebug = bio_s_out;
1964                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1965                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1966                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1967                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1968                 }
1969 #endif
1970
1971 #ifndef OPENSSL_NO_SRP
1972         if (srp_verifier_file != NULL)
1973                 {
1974                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1975                 srp_callback_parm.user = NULL;
1976                 srp_callback_parm.login = NULL;
1977                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1978                         {
1979                         BIO_printf(bio_err,
1980                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1981                                    srp_verifier_file, ret);
1982                                 goto end;
1983                         }
1984                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1985                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1986                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1987                 }
1988         else
1989 #endif
1990         if (CAfile != NULL)
1991                 {
1992                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1993 #ifndef OPENSSL_NO_TLSEXT
1994                 if (ctx2)
1995                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1996 #endif
1997                 }
1998
1999         BIO_printf(bio_s_out,"ACCEPT\n");
2000         (void)BIO_flush(bio_s_out);
2001         if (www)
2002                 do_server(port,socket_type,&accept_socket,www_body, context);
2003         else
2004                 do_server(port,socket_type,&accept_socket,sv_body, context);
2005         print_stats(bio_s_out,ctx);
2006         ret=0;
2007 end:
2008         if (ctx != NULL) SSL_CTX_free(ctx);
2009         if (s_cert)
2010                 X509_free(s_cert);
2011         if (crls)
2012                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2013         if (s_dcert)
2014                 X509_free(s_dcert);
2015         if (s_key)
2016                 EVP_PKEY_free(s_key);
2017         if (s_dkey)
2018                 EVP_PKEY_free(s_dkey);
2019         if (s_chain)
2020                 sk_X509_pop_free(s_chain, X509_free);
2021         if (s_dchain)
2022                 sk_X509_pop_free(s_dchain, X509_free);
2023         if (pass)
2024                 OPENSSL_free(pass);
2025         if (dpass)
2026                 OPENSSL_free(dpass);
2027         if (vpm)
2028                 X509_VERIFY_PARAM_free(vpm);
2029 #ifndef OPENSSL_NO_TLSEXT
2030         if (tlscstatp.host)
2031                 OPENSSL_free(tlscstatp.host);
2032         if (tlscstatp.port)
2033                 OPENSSL_free(tlscstatp.port);
2034         if (tlscstatp.path)
2035                 OPENSSL_free(tlscstatp.path);
2036         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2037         if (s_cert2)
2038                 X509_free(s_cert2);
2039         if (s_key2)
2040                 EVP_PKEY_free(s_key2);
2041         if (authz_in != NULL)
2042                 BIO_free(authz_in);
2043 #endif
2044         ssl_excert_free(exc);
2045         if (ssl_args)
2046                 sk_OPENSSL_STRING_free(ssl_args);
2047         if (cctx)
2048                 SSL_CONF_CTX_free(cctx);
2049 #ifndef OPENSSL_NO_JPAKE
2050         if (jpake_secret && psk_key)
2051                 OPENSSL_free(psk_key);
2052 #endif
2053         if (bio_s_out != NULL)
2054                 {
2055                 BIO_free(bio_s_out);
2056                 bio_s_out=NULL;
2057                 }
2058         if (bio_s_msg != NULL)
2059                 {
2060                 BIO_free(bio_s_msg);
2061                 bio_s_msg = NULL;
2062                 }
2063         apps_shutdown();
2064         OPENSSL_EXIT(ret);
2065         }
2066
2067 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2068         {
2069         BIO_printf(bio,"%4ld items in the session cache\n",
2070                 SSL_CTX_sess_number(ssl_ctx));
2071         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2072                 SSL_CTX_sess_connect(ssl_ctx));
2073         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2074                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2075         BIO_printf(bio,"%4ld client connects that finished\n",
2076                 SSL_CTX_sess_connect_good(ssl_ctx));
2077         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2078                 SSL_CTX_sess_accept(ssl_ctx));
2079         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2080                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2081         BIO_printf(bio,"%4ld server accepts that finished\n",
2082                 SSL_CTX_sess_accept_good(ssl_ctx));
2083         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2084         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2085         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2086         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2087         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2088                 SSL_CTX_sess_cache_full(ssl_ctx),
2089                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2090         }
2091
2092 static int sv_body(char *hostname, int s, unsigned char *context)
2093         {
2094         char *buf=NULL;
2095         fd_set readfds;
2096         int ret=1,width;
2097         int k,i;
2098         unsigned long l;
2099         SSL *con=NULL;
2100         BIO *sbio;
2101 #ifndef OPENSSL_NO_KRB5
2102         KSSL_CTX *kctx;
2103 #endif
2104         struct timeval timeout;
2105 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2106         struct timeval tv;
2107 #else
2108         struct timeval *timeoutp;
2109 #endif
2110
2111         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2112                 {
2113                 BIO_printf(bio_err,"out of memory\n");
2114                 goto err;
2115                 }
2116 #ifdef FIONBIO
2117         if (s_nbio)
2118                 {
2119                 unsigned long sl=1;
2120
2121                 if (!s_quiet)
2122                         BIO_printf(bio_err,"turning on non blocking io\n");
2123                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2124                         ERR_print_errors(bio_err);
2125                 }
2126 #endif
2127
2128         if (con == NULL) {
2129                 con=SSL_new(ctx);
2130 #ifndef OPENSSL_NO_TLSEXT
2131         if (s_tlsextdebug)
2132                 {
2133                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2134                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2135                 }
2136         if (s_tlsextstatus)
2137                 {
2138                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2139                 tlscstatp.err = bio_err;
2140                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2141                 }
2142 #endif
2143 #ifndef OPENSSL_NO_KRB5
2144                 if ((kctx = kssl_ctx_new()) != NULL)
2145                         {
2146                         SSL_set0_kssl_ctx(con, kctx);
2147                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2148                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2149                         }
2150 #endif  /* OPENSSL_NO_KRB5 */
2151                 if(context)
2152                       SSL_set_session_id_context(con, context,
2153                                                  strlen((char *)context));
2154         }
2155         SSL_clear(con);
2156 #if 0
2157 #ifdef TLSEXT_TYPE_opaque_prf_input
2158         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2159 #endif
2160 #endif
2161
2162         if (SSL_version(con) == DTLS1_VERSION)
2163                 {
2164
2165                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2166
2167                 if (enable_timeouts)
2168                         {
2169                         timeout.tv_sec = 0;
2170                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2171                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2172
2173                         timeout.tv_sec = 0;
2174                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2175                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2176                         }
2177
2178                 if (socket_mtu > 28)
2179                         {
2180                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2181                         SSL_set_mtu(con, socket_mtu - 28);
2182                         }
2183                 else
2184                         /* want to do MTU discovery */
2185                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2186
2187         /* turn on cookie exchange */
2188         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2189                 }
2190         else
2191                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2192
2193         if (s_nbio_test)
2194                 {
2195                 BIO *test;
2196
2197                 test=BIO_new(BIO_f_nbio_test());
2198                 sbio=BIO_push(test,sbio);
2199                 }
2200 #ifndef OPENSSL_NO_JPAKE
2201         if(jpake_secret)
2202                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2203 #endif
2204
2205         SSL_set_bio(con,sbio,sbio);
2206         SSL_set_accept_state(con);
2207         /* SSL_set_fd(con,s); */
2208
2209         if (s_debug)
2210                 {
2211                 SSL_set_debug(con, 1);
2212                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2213                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2214                 }
2215         if (s_msg)
2216                 {
2217 #ifndef OPENSSL_NO_SSL_TRACE
2218                 if (s_msg == 2)
2219                         SSL_set_msg_callback(con, SSL_trace);
2220                 else
2221 #endif
2222                         SSL_set_msg_callback(con, msg_cb);
2223                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2224                 }
2225 #ifndef OPENSSL_NO_TLSEXT
2226         if (s_tlsextdebug)
2227                 {
2228                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2229                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2230                 }
2231 #endif
2232
2233         width=s+1;
2234         for (;;)
2235                 {
2236                 int read_from_terminal;
2237                 int read_from_sslcon;
2238
2239                 read_from_terminal = 0;
2240                 read_from_sslcon = SSL_pending(con);
2241
2242                 if (!read_from_sslcon)
2243                         {
2244                         FD_ZERO(&readfds);
2245 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2246                         openssl_fdset(fileno(stdin),&readfds);
2247 #endif
2248                         openssl_fdset(s,&readfds);
2249                         /* Note: under VMS with SOCKETSHR the second parameter is
2250                          * currently of type (int *) whereas under other systems
2251                          * it is (void *) if you don't have a cast it will choke
2252                          * the compiler: if you do have a cast then you can either
2253                          * go for (int *) or (void *).
2254                          */
2255 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2256                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2257                          * on sockets. As a workaround we timeout the select every
2258                          * second and check for any keypress. In a proper Windows
2259                          * application we wouldn't do this because it is inefficient.
2260                          */
2261                         tv.tv_sec = 1;
2262                         tv.tv_usec = 0;
2263                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2264                         if((i < 0) || (!i && !_kbhit() ) )continue;
2265                         if(_kbhit())
2266                                 read_from_terminal = 1;
2267 #elif defined(OPENSSL_SYS_BEOS_R5)
2268                         /* Under BeOS-R5 the situation is similar to DOS */
2269                         tv.tv_sec = 1;
2270                         tv.tv_usec = 0;
2271                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2272                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2273                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2274                                 continue;
2275                         if (read(fileno(stdin), buf, 0) >= 0)
2276                                 read_from_terminal = 1;
2277                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2278 #else
2279                         if ((SSL_version(con) == DTLS1_VERSION) &&
2280                                 DTLSv1_get_timeout(con, &timeout))
2281                                 timeoutp = &timeout;
2282                         else
2283                                 timeoutp = NULL;
2284
2285                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2286
2287                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2288                                 {
2289                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2290                                 }
2291
2292                         if (i <= 0) continue;
2293                         if (FD_ISSET(fileno(stdin),&readfds))
2294                                 read_from_terminal = 1;
2295 #endif
2296                         if (FD_ISSET(s,&readfds))
2297                                 read_from_sslcon = 1;
2298                         }
2299                 if (read_from_terminal)
2300                         {
2301                         if (s_crlf)
2302                                 {
2303                                 int j, lf_num;
2304
2305                                 i=raw_read_stdin(buf, bufsize/2);
2306                                 lf_num = 0;
2307                                 /* both loops are skipped when i <= 0 */
2308                                 for (j = 0; j < i; j++)
2309                                         if (buf[j] == '\n')
2310                                                 lf_num++;
2311                                 for (j = i-1; j >= 0; j--)
2312                                         {
2313                                         buf[j+lf_num] = buf[j];
2314                                         if (buf[j] == '\n')
2315                                                 {
2316                                                 lf_num--;
2317                                                 i++;
2318                                                 buf[j+lf_num] = '\r';
2319                                                 }
2320                                         }
2321                                 assert(lf_num == 0);
2322                                 }
2323                         else
2324                                 i=raw_read_stdin(buf,bufsize);
2325                         if (!s_quiet)
2326                                 {
2327                                 if ((i <= 0) || (buf[0] == 'Q'))
2328                                         {
2329                                         BIO_printf(bio_s_out,"DONE\n");
2330                                         SHUTDOWN(s);
2331                                         close_accept_socket();
2332                                         ret= -11;
2333                                         goto err;
2334                                         }
2335                                 if ((i <= 0) || (buf[0] == 'q'))
2336                                         {
2337                                         BIO_printf(bio_s_out,"DONE\n");
2338                                         if (SSL_version(con) != DTLS1_VERSION)
2339                         SHUTDOWN(s);
2340         /*                              close_accept_socket();
2341                                         ret= -11;*/
2342                                         goto err;
2343                                         }
2344
2345 #ifndef OPENSSL_NO_HEARTBEATS
2346                                 if ((buf[0] == 'B') &&
2347                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2348                                         {
2349                                         BIO_printf(bio_err,"HEARTBEATING\n");
2350                                         SSL_heartbeat(con);
2351                                         i=0;
2352                                         continue;
2353                                         }
2354 #endif
2355                                 if ((buf[0] == 'r') &&
2356                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2357                                         {
2358                                         SSL_renegotiate(con);
2359                                         i=SSL_do_handshake(con);
2360                                         printf("SSL_do_handshake -> %d\n",i);
2361                                         i=0; /*13; */
2362                                         continue;
2363                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2364                                         }
2365                                 if ((buf[0] == 'R') &&
2366                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2367                                         {
2368                                         SSL_set_verify(con,
2369                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2370                                         SSL_renegotiate(con);
2371                                         i=SSL_do_handshake(con);
2372                                         printf("SSL_do_handshake -> %d\n",i);
2373                                         i=0; /* 13; */
2374                                         continue;
2375                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2376                                         }
2377                                 if (buf[0] == 'P')
2378                                         {
2379                                         static const char *str="Lets print some clear text\n";
2380                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2381                                         }
2382                                 if (buf[0] == 'S')
2383                                         {
2384                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2385                                         }
2386                                 }
2387 #ifdef CHARSET_EBCDIC
2388                         ebcdic2ascii(buf,buf,i);
2389 #endif
2390                         l=k=0;
2391                         for (;;)
2392                                 {
2393                                 /* should do a select for the write */
2394 #ifdef RENEG
2395 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2396 #endif
2397                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2398 #ifndef OPENSSL_NO_SRP
2399                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2400                                         {
2401                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2402                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2403                                         if (srp_callback_parm.user)
2404                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2405                                         else
2406                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2407                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2408                                         }
2409 #endif
2410                                 switch (SSL_get_error(con,k))
2411                                         {
2412                                 case SSL_ERROR_NONE:
2413                                         break;
2414                                 case SSL_ERROR_WANT_WRITE:
2415                                 case SSL_ERROR_WANT_READ:
2416                                 case SSL_ERROR_WANT_X509_LOOKUP:
2417                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2418                                         break;
2419                                 case SSL_ERROR_SYSCALL:
2420                                 case SSL_ERROR_SSL:
2421                                         BIO_printf(bio_s_out,"ERROR\n");
2422                                         ERR_print_errors(bio_err);
2423                                         ret=1;
2424                                         goto err;
2425                                         /* break; */
2426                                 case SSL_ERROR_ZERO_RETURN:
2427                                         BIO_printf(bio_s_out,"DONE\n");
2428                                         ret=1;
2429                                         goto err;
2430                                         }
2431                                 l+=k;
2432                                 i-=k;
2433                                 if (i <= 0) break;
2434                                 }
2435                         }
2436                 if (read_from_sslcon)
2437                         {
2438                         if (!SSL_is_init_finished(con))
2439                                 {
2440                                 i=init_ssl_connection(con);
2441
2442                                 if (i < 0)
2443                                         {
2444                                         ret=0;
2445                                         goto err;
2446                                         }
2447                                 else if (i == 0)
2448                                         {
2449                                         ret=1;
2450                                         goto err;
2451                                         }
2452                                 }
2453                         else
2454                                 {
2455 again:
2456                                 i=SSL_read(con,(char *)buf,bufsize);
2457 #ifndef OPENSSL_NO_SRP
2458                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2459                                         {
2460                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2461                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2462                                         if (srp_callback_parm.user)
2463                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2464                                         else
2465                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2466                                         i=SSL_read(con,(char *)buf,bufsize);
2467                                         }
2468 #endif
2469                                 switch (SSL_get_error(con,i))
2470                                         {
2471                                 case SSL_ERROR_NONE:
2472 #ifdef CHARSET_EBCDIC
2473                                         ascii2ebcdic(buf,buf,i);
2474 #endif
2475                                         raw_write_stdout(buf,
2476                                                 (unsigned int)i);
2477                                         if (SSL_pending(con)) goto again;
2478                                         break;
2479                                 case SSL_ERROR_WANT_WRITE:
2480                                 case SSL_ERROR_WANT_READ:
2481                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2482                                         break;
2483                                 case SSL_ERROR_SYSCALL:
2484                                 case SSL_ERROR_SSL:
2485                                         BIO_printf(bio_s_out,"ERROR\n");
2486                                         ERR_print_errors(bio_err);
2487                                         ret=1;
2488                                         goto err;
2489                                 case SSL_ERROR_ZERO_RETURN:
2490                                         BIO_printf(bio_s_out,"DONE\n");
2491                                         ret=1;
2492                                         goto err;
2493                                         }
2494                                 }
2495                         }
2496                 }
2497 err:
2498         if (con != NULL)
2499                 {
2500                 BIO_printf(bio_s_out,"shutting down SSL\n");
2501 #if 1
2502                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2503 #else
2504                 SSL_shutdown(con);
2505 #endif
2506                 SSL_free(con);
2507                 }
2508         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2509         if (buf != NULL)
2510                 {
2511                 OPENSSL_cleanse(buf,bufsize);
2512                 OPENSSL_free(buf);
2513                 }
2514         if (ret >= 0)
2515                 BIO_printf(bio_s_out,"ACCEPT\n");
2516         return(ret);
2517         }
2518
2519 static void close_accept_socket(void)
2520         {
2521         BIO_printf(bio_err,"shutdown accept socket\n");
2522         if (accept_socket >= 0)
2523                 {
2524                 SHUTDOWN2(accept_socket);
2525                 }
2526         }
2527
2528 static int init_ssl_connection(SSL *con)
2529         {
2530         int i;
2531         const char *str;
2532         X509 *peer;
2533         long verify_error;
2534         MS_STATIC char buf[BUFSIZ];
2535 #ifndef OPENSSL_NO_KRB5
2536         char *client_princ;
2537 #endif
2538 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2539         const unsigned char *next_proto_neg;
2540         unsigned next_proto_neg_len;
2541 #endif
2542         unsigned char *exportedkeymat;
2543
2544
2545         i=SSL_accept(con);
2546 #ifndef OPENSSL_NO_SRP
2547         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2548                 {
2549                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2550                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2551                         if (srp_callback_parm.user)
2552                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2553                         else
2554                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2555                         i=SSL_accept(con);
2556                 }
2557 #endif
2558         if (i <= 0)
2559                 {
2560                 if (BIO_sock_should_retry(i))
2561                         {
2562                         BIO_printf(bio_s_out,"DELAY\n");
2563                         return(1);
2564                         }
2565
2566                 BIO_printf(bio_err,"ERROR\n");
2567                 verify_error=SSL_get_verify_result(con);
2568                 if (verify_error != X509_V_OK)
2569                         {
2570                         BIO_printf(bio_err,"verify error:%s\n",
2571                                 X509_verify_cert_error_string(verify_error));
2572                         }
2573                 /* Always print any error messages */
2574                 ERR_print_errors(bio_err);
2575                 return(0);
2576                 }
2577
2578         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2579
2580         peer=SSL_get_peer_certificate(con);
2581         if (peer != NULL)
2582                 {
2583                 BIO_printf(bio_s_out,"Client certificate\n");
2584                 PEM_write_bio_X509(bio_s_out,peer);
2585                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2586                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2587                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2588                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2589                 X509_free(peer);
2590                 }
2591
2592         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2593                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2594         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2595         ssl_print_sigalgs(bio_s_out, con);
2596         ssl_print_curves(bio_s_out, con);
2597         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2598
2599 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2600         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2601         if (next_proto_neg)
2602                 {
2603                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2604                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2605                 BIO_printf(bio_s_out, "\n");
2606                 }
2607 #endif
2608         {
2609         SRTP_PROTECTION_PROFILE *srtp_profile
2610           = SSL_get_selected_srtp_profile(con);
2611
2612         if(srtp_profile)
2613                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2614                            srtp_profile->name);
2615         }
2616         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2617         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2618                 TLS1_FLAGS_TLS_PADDING_BUG)
2619                 BIO_printf(bio_s_out,
2620                            "Peer has incorrect TLSv1 block padding\n");
2621 #ifndef OPENSSL_NO_KRB5
2622         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2623         if (client_princ != NULL)
2624                 {
2625                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2626                                                                 client_princ);
2627                 }
2628 #endif /* OPENSSL_NO_KRB5 */
2629         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2630                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2631         if (keymatexportlabel != NULL)
2632                 {
2633                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2634                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2635                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2636                            keymatexportlen);
2637                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2638                 if (exportedkeymat != NULL)
2639                         {
2640                         if (!SSL_export_keying_material(con, exportedkeymat,
2641                                                         keymatexportlen,
2642                                                         keymatexportlabel,
2643                                                         strlen(keymatexportlabel),
2644                                                         NULL, 0, 0))
2645                                 {
2646                                 BIO_printf(bio_s_out, "    Error\n");
2647                                 }
2648                         else
2649                                 {
2650                                 BIO_printf(bio_s_out, "    Keying material: ");
2651                                 for (i=0; i<keymatexportlen; i++)
2652                                         BIO_printf(bio_s_out, "%02X",
2653                                                    exportedkeymat[i]);
2654                                 BIO_printf(bio_s_out, "\n");
2655                                 }
2656                         OPENSSL_free(exportedkeymat);
2657                         }
2658                 }
2659
2660         return(1);
2661         }
2662
2663 #ifndef OPENSSL_NO_DH
2664 static DH *load_dh_param(const char *dhfile)
2665         {
2666         DH *ret=NULL;
2667         BIO *bio;
2668
2669         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2670                 goto err;
2671         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2672 err:
2673         if (bio != NULL) BIO_free(bio);
2674         return(ret);
2675         }
2676 #endif
2677 #ifndef OPENSSL_NO_KRB5
2678         char *client_princ;
2679 #endif
2680
2681 #if 0
2682 static int load_CA(SSL_CTX *ctx, char *file)
2683         {
2684         FILE *in;
2685         X509 *x=NULL;
2686
2687         if ((in=fopen(file,"r")) == NULL)
2688                 return(0);
2689
2690         for (;;)
2691                 {
2692                 if (PEM_read_X509(in,&x,NULL) == NULL)
2693                         break;
2694                 SSL_CTX_add_client_CA(ctx,x);
2695                 }
2696         if (x != NULL) X509_free(x);
2697         fclose(in);
2698         return(1);
2699         }
2700 #endif
2701
2702 static int www_body(char *hostname, int s, unsigned char *context)
2703         {
2704         char *buf=NULL;
2705         int ret=1;
2706         int i,j,k,dot;
2707         SSL *con;
2708         const SSL_CIPHER *c;
2709         BIO *io,*ssl_bio,*sbio;
2710 #ifndef OPENSSL_NO_KRB5
2711         KSSL_CTX *kctx;
2712 #endif
2713
2714         buf=OPENSSL_malloc(bufsize);
2715         if (buf == NULL) return(0);
2716         io=BIO_new(BIO_f_buffer());
2717         ssl_bio=BIO_new(BIO_f_ssl());
2718         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2719
2720 #ifdef FIONBIO
2721         if (s_nbio)
2722                 {
2723                 unsigned long sl=1;
2724
2725                 if (!s_quiet)
2726                         BIO_printf(bio_err,"turning on non blocking io\n");
2727                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2728                         ERR_print_errors(bio_err);
2729                 }
2730 #endif
2731
2732         /* lets make the output buffer a reasonable size */
2733         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2734
2735         if ((con=SSL_new(ctx)) == NULL) goto err;
2736 #ifndef OPENSSL_NO_TLSEXT
2737                 if (s_tlsextdebug)
2738                         {
2739                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2740                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2741                         }
2742 #endif
2743 #ifndef OPENSSL_NO_KRB5
2744         if ((kctx = kssl_ctx_new()) != NULL)
2745                 {
2746                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2747                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2748                 }
2749 #endif  /* OPENSSL_NO_KRB5 */
2750         if(context) SSL_set_session_id_context(con, context,
2751                                                strlen((char *)context));
2752
2753         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2754         if (s_nbio_test)
2755                 {
2756                 BIO *test;
2757
2758                 test=BIO_new(BIO_f_nbio_test());
2759                 sbio=BIO_push(test,sbio);
2760                 }
2761         SSL_set_bio(con,sbio,sbio);
2762         SSL_set_accept_state(con);
2763
2764         /* SSL_set_fd(con,s); */
2765         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2766         BIO_push(io,ssl_bio);
2767 #ifdef CHARSET_EBCDIC
2768         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2769 #endif
2770
2771         if (s_debug)
2772                 {
2773                 SSL_set_debug(con, 1);
2774                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2775                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2776                 }
2777         if (s_msg)
2778                 {
2779 #ifndef OPENSSL_NO_SSL_TRACE
2780                 if (s_msg == 2)
2781                         SSL_set_msg_callback(con, SSL_trace);
2782                 else
2783 #endif
2784                         SSL_set_msg_callback(con, msg_cb);
2785                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2786                 }
2787
2788         for (;;)
2789                 {
2790                 if (hack)
2791                         {
2792                         i=SSL_accept(con);
2793 #ifndef OPENSSL_NO_SRP
2794                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2795                 {
2796                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2797                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2798                         if (srp_callback_parm.user)
2799                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2800                         else
2801                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2802                         i=SSL_accept(con);
2803                 }
2804 #endif
2805                         switch (SSL_get_error(con,i))
2806                                 {
2807                         case SSL_ERROR_NONE:
2808                                 break;
2809                         case SSL_ERROR_WANT_WRITE:
2810                         case SSL_ERROR_WANT_READ:
2811                         case SSL_ERROR_WANT_X509_LOOKUP:
2812                                 continue;
2813                         case SSL_ERROR_SYSCALL:
2814                         case SSL_ERROR_SSL:
2815                         case SSL_ERROR_ZERO_RETURN:
2816                                 ret=1;
2817                                 goto err;
2818                                 /* break; */
2819                                 }
2820
2821                         SSL_renegotiate(con);
2822                         SSL_write(con,NULL,0);
2823                         }
2824
2825                 i=BIO_gets(io,buf,bufsize-1);
2826                 if (i < 0) /* error */
2827                         {
2828                         if (!BIO_should_retry(io))
2829                                 {
2830                                 if (!s_quiet)
2831                                         ERR_print_errors(bio_err);
2832                                 goto err;
2833                                 }
2834                         else
2835                                 {
2836                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2837 #if defined(OPENSSL_SYS_NETWARE)
2838             delay(1000);
2839 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2840                                 sleep(1);
2841 #endif
2842                                 continue;
2843                                 }
2844                         }
2845                 else if (i == 0) /* end of input */
2846                         {
2847                         ret=1;
2848                         goto end;
2849                         }
2850
2851                 /* else we have data */
2852                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2853                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2854                         {
2855                         char *p;
2856                         X509 *peer;
2857                         STACK_OF(SSL_CIPHER) *sk;
2858                         static const char *space="                          ";
2859
2860                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2861                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2862                         BIO_puts(io,"<pre>\n");
2863 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2864                         BIO_puts(io,"\n");
2865                         for (i=0; i<local_argc; i++)
2866                                 {
2867                                 BIO_puts(io,local_argv[i]);
2868                                 BIO_write(io," ",1);
2869                                 }
2870                         BIO_puts(io,"\n");
2871
2872                         BIO_printf(io,
2873                                 "Secure Renegotiation IS%s supported\n",
2874                                 SSL_get_secure_renegotiation_support(con) ?
2875                                                         "" : " NOT");
2876
2877                         /* The following is evil and should not really
2878                          * be done */
2879                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2880                         sk=SSL_get_ciphers(con);
2881                         j=sk_SSL_CIPHER_num(sk);
2882                         for (i=0; i<j; i++)
2883                                 {
2884                                 c=sk_SSL_CIPHER_value(sk,i);
2885                                 BIO_printf(io,"%-11s:%-25s",
2886                                         SSL_CIPHER_get_version(c),
2887                                         SSL_CIPHER_get_name(c));
2888                                 if ((((i+1)%2) == 0) && (i+1 != j))
2889                                         BIO_puts(io,"\n");
2890                                 }
2891                         BIO_puts(io,"\n");
2892                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2893                         if (p != NULL)
2894                                 {
2895                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2896                                 j=i=0;
2897                                 while (*p)
2898                                         {
2899                                         if (*p == ':')
2900                                                 {
2901                                                 BIO_write(io,space,26-j);
2902                                                 i++;
2903                                                 j=0;
2904                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2905                                                 }
2906                                         else
2907                                                 {
2908                                                 BIO_write(io,p,1);
2909                                                 j++;
2910                                                 }
2911                                         p++;
2912                                         }
2913                                 BIO_puts(io,"\n");
2914                                 }
2915                         ssl_print_sigalgs(io, con);
2916                         ssl_print_curves(io, con);
2917                         BIO_printf(io,(SSL_cache_hit(con)
2918                                 ?"---\nReused, "
2919                                 :"---\nNew, "));
2920                         c=SSL_get_current_cipher(con);
2921                         BIO_printf(io,"%s, Cipher is %s\n",
2922                                 SSL_CIPHER_get_version(c),
2923                                 SSL_CIPHER_get_name(c));
2924                         SSL_SESSION_print(io,SSL_get_session(con));
2925                         BIO_printf(io,"---\n");
2926                         print_stats(io,SSL_get_SSL_CTX(con));
2927                         BIO_printf(io,"---\n");
2928                         peer=SSL_get_peer_certificate(con);
2929                         if (peer != NULL)
2930                                 {
2931                                 BIO_printf(io,"Client certificate\n");
2932                                 X509_print(io,peer);
2933                                 PEM_write_bio_X509(io,peer);
2934                                 }
2935                         else
2936                                 BIO_puts(io,"no client certificate available\n");
2937                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2938                         break;
2939                         }
2940                 else if ((www == 2 || www == 3)
2941                          && (strncmp("GET /",buf,5) == 0))
2942                         {
2943                         BIO *file;
2944                         char *p,*e;
2945                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2946
2947                         /* skip the '/' */
2948                         p= &(buf[5]);
2949
2950                         dot = 1;
2951                         for (e=p; *e != '\0'; e++)
2952                                 {
2953                                 if (e[0] == ' ')
2954                                         break;
2955
2956                                 switch (dot)
2957                                         {
2958                                 case 1:
2959                                         dot = (e[0] == '.') ? 2 : 0;
2960                                         break;
2961                                 case 2:
2962                                         dot = (e[0] == '.') ? 3 : 0;
2963                                         break;
2964                                 case 3:
2965                                         dot = (e[0] == '/') ? -1 : 0;
2966                                         break;
2967                                         }
2968                                 if (dot == 0)
2969                                         dot = (e[0] == '/') ? 1 : 0;
2970                                 }
2971                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2972
2973                         if (*e == '\0')
2974                                 {
2975                                 BIO_puts(io,text);
2976                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2977                                 break;
2978                                 }
2979                         *e='\0';
2980
2981                         if (dot)
2982                                 {
2983                                 BIO_puts(io,text);
2984                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2985                                 break;
2986                                 }
2987
2988                         if (*p == '/')
2989                                 {
2990                                 BIO_puts(io,text);
2991                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2992                                 break;
2993                                 }
2994
2995 #if 0
2996                         /* append if a directory lookup */
2997                         if (e[-1] == '/')
2998                                 strcat(p,"index.html");
2999 #endif
3000
3001                         /* if a directory, do the index thang */
3002                         if (app_isdir(p)>0)
3003                                 {
3004 #if 0 /* must check buffer size */
3005                                 strcat(p,"/index.html");
3006 #else
3007                                 BIO_puts(io,text);
3008                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3009                                 break;
3010 #endif
3011                                 }
3012
3013                         if ((file=BIO_new_file(p,"r")) == NULL)
3014                                 {
3015                                 BIO_puts(io,text);
3016                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3017                                 ERR_print_errors(io);
3018                                 break;
3019                                 }
3020
3021                         if (!s_quiet)
3022                                 BIO_printf(bio_err,"FILE:%s\n",p);
3023
3024                         if (www == 2)
3025                                 {
3026                                 i=strlen(p);
3027                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3028                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3029                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3030                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3031                                 else
3032                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3033                                 }
3034                         /* send the file */
3035                         for (;;)
3036                                 {
3037                                 i=BIO_read(file,buf,bufsize);
3038                                 if (i <= 0) break;
3039
3040 #ifdef RENEG
3041                                 total_bytes+=i;
3042                                 fprintf(stderr,"%d\n",i);
3043                                 if (total_bytes > 3*1024)
3044                                         {
3045                                         total_bytes=0;
3046                                         fprintf(stderr,"RENEGOTIATE\n");
3047                                         SSL_renegotiate(con);
3048                                         }
3049 #endif
3050
3051                                 for (j=0; j<i; )
3052                                         {
3053 #ifdef RENEG
3054 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3055 #endif
3056                                         k=BIO_write(io,&(buf[j]),i-j);
3057                                         if (k <= 0)
3058                                                 {
3059                                                 if (!BIO_should_retry(io))
3060                                                         goto write_error;
3061                                                 else
3062                                                         {
3063                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3064                                                         }
3065                                                 }
3066                                         else
3067                                                 {
3068                                                 j+=k;
3069                                                 }
3070                                         }
3071                                 }
3072 write_error:
3073                         BIO_free(file);
3074                         break;
3075                         }
3076                 }
3077
3078         for (;;)
3079                 {
3080                 i=(int)BIO_flush(io);
3081                 if (i <= 0)
3082                         {
3083                         if (!BIO_should_retry(io))
3084                                 break;
3085                         }
3086                 else
3087                         break;
3088                 }
3089 end:
3090 #if 1
3091         /* make sure we re-use sessions */
3092         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3093 #else
3094         /* This kills performance */
3095 /*      SSL_shutdown(con); A shutdown gets sent in the
3096  *      BIO_free_all(io) procession */
3097 #endif
3098
3099 err:
3100
3101         if (ret >= 0)
3102                 BIO_printf(bio_s_out,"ACCEPT\n");
3103
3104         if (buf != NULL) OPENSSL_free(buf);
3105         if (io != NULL) BIO_free_all(io);
3106 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3107         return(ret);
3108         }
3109
3110 #ifndef OPENSSL_NO_RSA
3111 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3112         {
3113         BIGNUM *bn = NULL;
3114         static RSA *rsa_tmp=NULL;
3115
3116         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3117                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3118         if (!rsa_tmp && bn)
3119                 {
3120                 if (!s_quiet)
3121                         {
3122                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3123                         (void)BIO_flush(bio_err);
3124                         }
3125                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3126                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3127                         {
3128                         if(rsa_tmp) RSA_free(rsa_tmp);
3129                         rsa_tmp = NULL;
3130                         }
3131                 if (!s_quiet)
3132                         {
3133                         BIO_printf(bio_err,"\n");
3134                         (void)BIO_flush(bio_err);
3135                         }
3136                 BN_free(bn);
3137                 }
3138         return(rsa_tmp);
3139         }
3140 #endif
3141
3142 #define MAX_SESSION_ID_ATTEMPTS 10
3143 static int generate_session_id(const SSL *ssl, unsigned char *id,
3144                                 unsigned int *id_len)
3145         {
3146         unsigned int count = 0;
3147         do      {
3148                 RAND_pseudo_bytes(id, *id_len);
3149                 /* Prefix the session_id with the required prefix. NB: If our
3150                  * prefix is too long, clip it - but there will be worse effects
3151                  * anyway, eg. the server could only possibly create 1 session
3152                  * ID (ie. the prefix!) so all future session negotiations will
3153                  * fail due to conflicts. */
3154                 memcpy(id, session_id_prefix,
3155                         (strlen(session_id_prefix) < *id_len) ?
3156                         strlen(session_id_prefix) : *id_len);
3157                 }
3158         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3159                 (++count < MAX_SESSION_ID_ATTEMPTS));
3160         if(count >= MAX_SESSION_ID_ATTEMPTS)
3161                 return 0;
3162         return 1;
3163         }