apps/s_server.c

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