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