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 /* conflicts with winsock2 stuff on netware */
 161 #if !defined(OPENSSL_SYS_NETWARE)
 162 #include <sys/types.h>
 163 #endif
 164
 165 /* With IPv6, it looks like Digital has mixed up the proper order of
 166    recursive header file inclusion, resulting in the compiler complaining
 167    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 168    is needed to have fileno() declared correctly...  So let's define u_int */
 169 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 170 #define __U_INT
 171 typedef unsigned int u_int;
 172 #endif
 173
 174 #include <openssl/lhash.h>
 175 #include <openssl/bn.h>
 176 #define USE_SOCKETS
 177 #include "apps.h"
 178 #include <openssl/err.h>
 179 #include <openssl/pem.h>
 180 #include <openssl/x509.h>
 181 #include <openssl/ssl.h>
 182 #include <openssl/rand.h>
 183 #include <openssl/ocsp.h>
 184 #ifndef OPENSSL_NO_DH
 185 #include <openssl/dh.h>
 186 #endif
 187 #ifndef OPENSSL_NO_RSA
 188 #include <openssl/rsa.h>
 189 #endif
 190 #ifndef OPENSSL_NO_SRP
 191 #include <openssl/srp.h>
 192 #endif
 193 #include "s_apps.h"
 194 #include "timeouts.h"
 195
 196 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 197 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 198 #undef FIONBIO
 199 #endif
 200
 201 #if defined(OPENSSL_SYS_BEOS_R5)
 202 #include <fcntl.h>
 203 #endif
 204
 205 #ifndef OPENSSL_NO_RSA
 206 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 207 #endif
 208 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
 209 static int www_body(char *hostname, int s, int stype, unsigned char *context);
 210 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
 211 static void close_accept_socket(void );
 212 static void sv_usage(void);
 213 static int init_ssl_connection(SSL *s);
 214 static void print_stats(BIO *bp,SSL_CTX *ctx);
 215 static int generate_session_id(const SSL *ssl, unsigned char *id,
 216                                 unsigned int *id_len);
 217 static void init_session_cache_ctx(SSL_CTX *sctx);
 218 static void free_sessions(void);
 219 #ifndef OPENSSL_NO_DH
 220 static DH *load_dh_param(const char *dhfile);
 221 static DH *get_dh512(void);
 222 #endif
 223
 224 #ifdef MONOLITH
 225 static void s_server_init(void);
 226 #endif
 227
 228 #ifndef OPENSSL_NO_DH
 229 static unsigned char dh512_p[]={
 230         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 231         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 232         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 233         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 234         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 235         0x47,0x74,0xE8,0x33,
 236         };
 237 static unsigned char dh512_g[]={
 238         0x02,
 239         };
 240
 241 static DH *get_dh512(void)
 242         {
 243         DH *dh=NULL;
 244
 245         if ((dh=DH_new()) == NULL) return(NULL);
 246         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 247         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 248         if ((dh->p == NULL) || (dh->g == NULL))
 249                 return(NULL);
 250         return(dh);
 251         }
 252 #endif
 253
 254
 255 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 256
 257 #undef BUFSIZZ
 258 #define BUFSIZZ 16*1024
 259 static int bufsize=BUFSIZZ;
 260 static int accept_socket= -1;
 261
 262 #define TEST_CERT       "server.pem"
 263 #ifndef OPENSSL_NO_TLSEXT
 264 #define TEST_CERT2      "server2.pem"
 265 #endif
 266 #undef PROG
 267 #define PROG            s_server_main
 268
 269 extern int verify_depth, verify_return_error, verify_quiet;
 270
 271 static int s_server_verify=SSL_VERIFY_NONE;
 272 static int s_server_session_id_context = 1; /* anything will do */
 273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 274 #ifndef OPENSSL_NO_TLSEXT
 275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 276 #endif
 277 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 278 #ifdef FIONBIO
 279 static int s_nbio=0;
 280 #endif
 281 static int s_nbio_test=0;
 282 int s_crlf=0;
 283 static SSL_CTX *ctx=NULL;
 284 #ifndef OPENSSL_NO_TLSEXT
 285 static SSL_CTX *ctx2=NULL;
 286 #endif
 287 static int www=0;
 288
 289 static BIO *bio_s_out=NULL;
 290 static BIO *bio_s_msg = NULL;
 291 static int s_debug=0;
 292 #ifndef OPENSSL_NO_TLSEXT
 293 static int s_tlsextdebug=0;
 294 static int s_tlsextstatus=0;
 295 static int cert_status_cb(SSL *s, void *arg);
 296 #endif
 297 static int no_resume_ephemeral = 0;
 298 static int s_msg=0;
 299 static int s_quiet=0;
 300 static int s_ign_eof=0;
 301 static int s_brief=0;
 302
 303 static char *keymatexportlabel=NULL;
 304 static int keymatexportlen=20;
 305
 306 static int hack=0;
 307 #ifndef OPENSSL_NO_ENGINE
 308 static char *engine_id=NULL;
 309 #endif
 310 static const char *session_id_prefix=NULL;
 311
 312 static int enable_timeouts = 0;
 313 static long socket_mtu;
 314 #ifndef OPENSSL_NO_DTLS1
 315 static int cert_chain = 0;
 316 #endif
 317
 318 #ifndef OPENSSL_NO_TLSEXT
 319 static BIO *serverinfo_in = NULL;
 320 static const char *s_serverinfo_file = NULL;
 321
 322 #endif
 323
 324 #ifndef OPENSSL_NO_PSK
 325 static char *psk_identity="Client_identity";
 326 char *psk_key=NULL; /* by default PSK is not used */
 327
 328 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 329         unsigned char *psk, unsigned int max_psk_len)
 330         {
 331         unsigned int psk_len = 0;
 332         int ret;
 333         BIGNUM *bn = NULL;
 334
 335         if (s_debug)
 336                 BIO_printf(bio_s_out,"psk_server_cb\n");
 337         if (!identity)
 338                 {
 339                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 340                 goto out_err;
 341                 }
 342         if (s_debug)
 343                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 344                         identity ? (int)strlen(identity) : 0, identity);
 345
 346         /* here we could lookup the given identity e.g. from a database */
 347         if (strcmp(identity, psk_identity) != 0)
 348                 {
 349                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 350                            " (got '%s' expected '%s')\n", identity,
 351                            psk_identity);
 352                 goto out_err;
 353                 }
 354         if (s_debug)
 355                 BIO_printf(bio_s_out, "PSK client identity found\n");
 356
 357         /* convert the PSK key to binary */
 358         ret = BN_hex2bn(&bn, psk_key);
 359         if (!ret)
 360                 {
 361                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 362                 if (bn)
 363                         BN_free(bn);
 364                 return 0;
 365                 }
 366         if (BN_num_bytes(bn) > (int)max_psk_len)
 367                 {
 368                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 369                         max_psk_len, BN_num_bytes(bn));
 370                 BN_free(bn);
 371                 return 0;
 372                 }
 373
 374         ret = BN_bn2bin(bn, psk);
 375         BN_free(bn);
 376
 377         if (ret < 0)
 378                 goto out_err;
 379         psk_len = (unsigned int)ret;
 380
 381         if (s_debug)
 382                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 383         return psk_len;
 384  out_err:
 385         if (s_debug)
 386                 BIO_printf(bio_err, "Error in PSK server callback\n");
 387         return 0;
 388         }
 389 #endif
 390
 391 #ifndef OPENSSL_NO_SRP
 392 /* This is a context that we pass to callbacks */
 393 typedef struct srpsrvparm_st
 394         {
 395         char *login;
 396         SRP_VBASE *vb;
 397         SRP_user_pwd *user;
 398         } srpsrvparm;
 399
 400 /* This callback pretends to require some asynchronous logic in order to obtain
 401    a verifier. When the callback is called for a new connection we return
 402    with a negative value. This will provoke the accept etc to return with
 403    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 404    (which would normally occur after a worker has finished) and we
 405    set the user parameters.
 406 */
 407 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 408         {
 409         srpsrvparm *p = (srpsrvparm *)arg;
 410         if (p->login == NULL && p->user == NULL )
 411                 {
 412                 p->login = SSL_get_srp_username(s);
 413                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 414                 return (-1) ;
 415                 }
 416
 417         if (p->user == NULL)
 418                 {
 419                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 420                 return SSL3_AL_FATAL;
 421                 }
 422         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 423                                      p->user->info) < 0)
 424                 {
 425                 *ad = SSL_AD_INTERNAL_ERROR;
 426                 return SSL3_AL_FATAL;
 427                 }
 428         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 429         /* need to check whether there are memory leaks */
 430         p->user = NULL;
 431         p->login = NULL;
 432         return SSL_ERROR_NONE;
 433         }
 434
 435 #endif
 436
 437 #ifdef MONOLITH
 438 static void s_server_init(void)
 439         {
 440         accept_socket=-1;
 441         s_server_verify=SSL_VERIFY_NONE;
 442         s_dcert_file=NULL;
 443         s_dkey_file=NULL;
 444         s_dchain_file=NULL;
 445         s_cert_file=TEST_CERT;
 446         s_key_file=NULL;
 447         s_chain_file=NULL;
 448 #ifndef OPENSSL_NO_TLSEXT
 449         s_cert_file2=TEST_CERT2;
 450         s_key_file2=NULL;
 451         ctx2=NULL;
 452 #endif
 453 #ifdef FIONBIO
 454         s_nbio=0;
 455 #endif
 456         s_nbio_test=0;
 457         ctx=NULL;
 458         www=0;
 459
 460         bio_s_out=NULL;
 461         s_debug=0;
 462         s_msg=0;
 463         s_quiet=0;
 464         s_brief=0;
 465         hack=0;
 466 #ifndef OPENSSL_NO_ENGINE
 467         engine_id=NULL;
 468 #endif
 469         }
 470 #endif
 471
 472 static void sv_usage(void)
 473         {
 474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 475         BIO_printf(bio_err,"\n");
 476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 477         BIO_printf(bio_err," -verify_host host - check peer certificate matches \"host\"\n");
 478         BIO_printf(bio_err," -verify_email email - check peer certificate matches \"email\"\n");
 479         BIO_printf(bio_err," -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
 480         BIO_printf(bio_err," -context arg  - set session ID context\n");
 481         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 482         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 483         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 484         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 485         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 486 #ifndef OPENSSL_NO_TLSEXT
 487         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 488         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 489         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 490 #endif
 491         BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 492         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 493                            "                 The CRL(s) are appended to the certificate file\n");
 494         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 495                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 496                            "                 the certificate file.\n");
 497         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 498         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 499         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 500         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 501         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 502         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 503         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 504         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 505         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 506         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 507         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 508         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 509 #ifndef OPENSSL_NO_ECDH
 510         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 511                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 512                            "                 (default is nistp256).\n");
 513 #endif
 514 #ifdef FIONBIO
 515         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 516 #endif
 517         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 518         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 519         BIO_printf(bio_err," -debug        - Print more output\n");
 520         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 521         BIO_printf(bio_err," -state        - Print the SSL states\n");
 522         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 523         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 524         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 525         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 526         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 527         BIO_printf(bio_err," -quiet        - No server output\n");
 528         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 529 #ifndef OPENSSL_NO_PSK
 530         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 531         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 532 # ifndef OPENSSL_NO_JPAKE
 533         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 534 # endif
 535 #endif
 536 #ifndef OPENSSL_NO_SRP
 537         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 538         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 539 #endif
 540         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 541 #ifndef OPENSSL_NO_SSL3_METHOD
 542         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 543 #endif
 544         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 545         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 546         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 547         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 548         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 549         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 550         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 551         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 552         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 553         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 554         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 555         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 556         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 557 #ifndef OPENSSL_NO_DH
 558         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 559 #endif
 560 #ifndef OPENSSL_NO_ECDH
 561         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 562 #endif
 563         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 564         BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
 565         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 566         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 567         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 568         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 569 #ifndef OPENSSL_NO_ENGINE
 570         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 571 #endif
 572         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 573         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 574 #ifndef OPENSSL_NO_TLSEXT
 575         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 576         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 577         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 578         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 579         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 580         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 581         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 582         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 583         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 584 # ifndef OPENSSL_NO_NEXTPROTONEG
 585         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 586 # endif
 587 # ifndef OPENSSL_NO_SRTP
 588         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 589 # endif
 590         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 591 #endif
 592         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 593         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 594         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
 595         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
 596         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
 597         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
 598         }
 599
 600 static int local_argc=0;
 601 static char **local_argv;
 602
 603 #ifdef CHARSET_EBCDIC
 604 static int ebcdic_new(BIO *bi);
 605 static int ebcdic_free(BIO *a);
 606 static int ebcdic_read(BIO *b, char *out, int outl);
 607 static int ebcdic_write(BIO *b, const char *in, int inl);
 608 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 609 static int ebcdic_gets(BIO *bp, char *buf, int size);
 610 static int ebcdic_puts(BIO *bp, const char *str);
 611
 612 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 613 static BIO_METHOD methods_ebcdic=
 614         {
 615         BIO_TYPE_EBCDIC_FILTER,
 616         "EBCDIC/ASCII filter",
 617         ebcdic_write,
 618         ebcdic_read,
 619         ebcdic_puts,
 620         ebcdic_gets,
 621         ebcdic_ctrl,
 622         ebcdic_new,
 623         ebcdic_free,
 624         };
 625
 626 typedef struct
 627 {
 628         size_t  alloced;
 629         char    buff[1];
 630 } EBCDIC_OUTBUFF;
 631
 632 BIO_METHOD *BIO_f_ebcdic_filter()
 633 {
 634         return(&methods_ebcdic);
 635 }
 636
 637 static int ebcdic_new(BIO *bi)
 638 {
 639         EBCDIC_OUTBUFF *wbuf;
 640
 641         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 642         wbuf->alloced = 1024;
 643         wbuf->buff[0] = '\0';
 644
 645         bi->ptr=(char *)wbuf;
 646         bi->init=1;
 647         bi->flags=0;
 648         return(1);
 649 }
 650
 651 static int ebcdic_free(BIO *a)
 652 {
 653         if (a == NULL) return(0);
 654         if (a->ptr != NULL)
 655                 OPENSSL_free(a->ptr);
 656         a->ptr=NULL;
 657         a->init=0;
 658         a->flags=0;
 659         return(1);
 660 }
 661
 662 static int ebcdic_read(BIO *b, char *out, int outl)
 663 {
 664         int ret=0;
 665
 666         if (out == NULL || outl == 0) return(0);
 667         if (b->next_bio == NULL) return(0);
 668
 669         ret=BIO_read(b->next_bio,out,outl);
 670         if (ret > 0)
 671                 ascii2ebcdic(out,out,ret);
 672         return(ret);
 673 }
 674
 675 static int ebcdic_write(BIO *b, const char *in, int inl)
 676 {
 677         EBCDIC_OUTBUFF *wbuf;
 678         int ret=0;
 679         int num;
 680         unsigned char n;
 681
 682         if ((in == NULL) || (inl <= 0)) return(0);
 683         if (b->next_bio == NULL) return(0);
 684
 685         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 686
 687         if (inl > (num = wbuf->alloced))
 688         {
 689                 num = num + num;  /* double the size */
 690                 if (num < inl)
 691                         num = inl;
 692                 OPENSSL_free(wbuf);
 693                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 694
 695                 wbuf->alloced = num;
 696                 wbuf->buff[0] = '\0';
 697
 698                 b->ptr=(char *)wbuf;
 699         }
 700
 701         ebcdic2ascii(wbuf->buff, in, inl);
 702
 703         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 704
 705         return(ret);
 706 }
 707
 708 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 709 {
 710         long ret;
 711
 712         if (b->next_bio == NULL) return(0);
 713         switch (cmd)
 714         {
 715         case BIO_CTRL_DUP:
 716                 ret=0L;
 717                 break;
 718         default:
 719                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 720                 break;
 721         }
 722         return(ret);
 723 }
 724
 725 static int ebcdic_gets(BIO *bp, char *buf, int size)
 726 {
 727         int i, ret=0;
 728         if (bp->next_bio == NULL) return(0);
 729 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 730         for (i=0; i<size-1; ++i)
 731         {
 732                 ret = ebcdic_read(bp,&buf[i],1);
 733                 if (ret <= 0)
 734                         break;
 735                 else if (buf[i] == '\n')
 736                 {
 737                         ++i;
 738                         break;
 739                 }
 740         }
 741         if (i < size)
 742                 buf[i] = '\0';
 743         return (ret < 0 && i == 0) ? ret : i;
 744 }
 745
 746 static int ebcdic_puts(BIO *bp, const char *str)
 747 {
 748         if (bp->next_bio == NULL) return(0);
 749         return ebcdic_write(bp, str, strlen(str));
 750 }
 751 #endif
 752
 753 #ifndef OPENSSL_NO_TLSEXT
 754
 755 /* This is a context that we pass to callbacks */
 756 typedef struct tlsextctx_st {
 757    char * servername;
 758    BIO * biodebug;
 759    int extension_error;
 760 } tlsextctx;
 761
 762
 763 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 764         {
 765         tlsextctx * p = (tlsextctx *) arg;
 766         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 767         if (servername && p->biodebug)
 768                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 769
 770         if (!p->servername)
 771                 return SSL_TLSEXT_ERR_NOACK;
 772
 773         if (servername)
 774                 {
 775                 if (strcasecmp(servername,p->servername))
 776                         return p->extension_error;
 777                 if (ctx2)
 778                         {
 779                         BIO_printf(p->biodebug,"Switching server context.\n");
 780                         SSL_set_SSL_CTX(s,ctx2);
 781                         }
 782                 }
 783         return SSL_TLSEXT_ERR_OK;
 784 }
 785
 786 /* Structure passed to cert status callback */
 787
 788 typedef struct tlsextstatusctx_st {
 789    /* Default responder to use */
 790    char *host, *path, *port;
 791    int use_ssl;
 792    int timeout;
 793    BIO *err;
 794    int verbose;
 795 } tlsextstatusctx;
 796
 797 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 798
 799 /* Certificate Status callback. This is called when a client includes a
 800  * certificate status request extension.
 801  *
 802  * This is a simplified version. It examines certificates each time and
 803  * makes one OCSP responder query for each request.
 804  *
 805  * A full version would store details such as the OCSP certificate IDs and
 806  * minimise the number of OCSP responses by caching them until they were
 807  * considered "expired".
 808  */
 809
 810 static int cert_status_cb(SSL *s, void *arg)
 811         {
 812         tlsextstatusctx *srctx = arg;
 813         BIO *err = srctx->err;
 814         char *host, *port, *path;
 815         int use_ssl;
 816         unsigned char *rspder = NULL;
 817         int rspderlen;
 818         STACK_OF(OPENSSL_STRING) *aia = NULL;
 819         X509 *x = NULL;
 820         X509_STORE_CTX inctx;
 821         X509_OBJECT obj;
 822         OCSP_REQUEST *req = NULL;
 823         OCSP_RESPONSE *resp = NULL;
 824         OCSP_CERTID *id = NULL;
 825         STACK_OF(X509_EXTENSION) *exts;
 826         int ret = SSL_TLSEXT_ERR_NOACK;
 827         int i;
 828 #if 0
 829 STACK_OF(OCSP_RESPID) *ids;
 830 SSL_get_tlsext_status_ids(s, &ids);
 831 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 832 #endif
 833         if (srctx->verbose)
 834                 BIO_puts(err, "cert_status: callback called\n");
 835         /* Build up OCSP query from server certificate */
 836         x = SSL_get_certificate(s);
 837         aia = X509_get1_ocsp(x);
 838         if (aia)
 839                 {
 840                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 841                         &host, &port, &path, &use_ssl))
 842                         {
 843                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 844                         goto err;
 845                         }
 846                 if (srctx->verbose)
 847                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 848                                         sk_OPENSSL_STRING_value(aia, 0));
 849                 }
 850         else
 851                 {
 852                 if (!srctx->host)
 853                         {
 854                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 855                         goto done;
 856                         }
 857                 host = srctx->host;
 858                 path = srctx->path;
 859                 port = srctx->port;
 860                 use_ssl = srctx->use_ssl;
 861                 }
 862
 863         if (!X509_STORE_CTX_init(&inctx,
 864                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 865                                 NULL, NULL))
 866                 goto err;
 867         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 868                                 X509_get_issuer_name(x),&obj) <= 0)
 869                 {
 870                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 871                 X509_STORE_CTX_cleanup(&inctx);
 872                 goto done;
 873                 }
 874         req = OCSP_REQUEST_new();
 875         if (!req)
 876                 goto err;
 877         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 878         X509_free(obj.data.x509);
 879         X509_STORE_CTX_cleanup(&inctx);
 880         if (!id)
 881                 goto err;
 882         if (!OCSP_request_add0_id(req, id))
 883                 goto err;
 884         id = NULL;
 885         /* Add any extensions to the request */
 886         SSL_get_tlsext_status_exts(s, &exts);
 887         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 888                 {
 889                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 890                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 891                         goto err;
 892                 }
 893         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 894                                         srctx->timeout);
 895         if (!resp)
 896                 {
 897                 BIO_puts(err, "cert_status: error querying responder\n");
 898                 goto done;
 899                 }
 900         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 901         if (rspderlen <= 0)
 902                 goto err;
 903         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 904         if (srctx->verbose)
 905                 {
 906                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 907                 OCSP_RESPONSE_print(err, resp, 2);
 908                 }
 909         ret = SSL_TLSEXT_ERR_OK;
 910         done:
 911         if (ret != SSL_TLSEXT_ERR_OK)
 912                 ERR_print_errors(err);
 913         if (aia)
 914                 {
 915                 OPENSSL_free(host);
 916                 OPENSSL_free(path);
 917                 OPENSSL_free(port);
 918                 X509_email_free(aia);
 919                 }
 920         if (id)
 921                 OCSP_CERTID_free(id);
 922         if (req)
 923                 OCSP_REQUEST_free(req);
 924         if (resp)
 925                 OCSP_RESPONSE_free(resp);
 926         return ret;
 927         err:
 928         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 929         goto done;
 930         }
 931
 932 # ifndef OPENSSL_NO_NEXTPROTONEG
 933 /* This is the context that we pass to next_proto_cb */
 934 typedef struct tlsextnextprotoctx_st {
 935         unsigned char *data;
 936         unsigned int len;
 937 } tlsextnextprotoctx;
 938
 939 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 940         {
 941         tlsextnextprotoctx *next_proto = arg;
 942
 943         *data = next_proto->data;
 944         *len = next_proto->len;
 945
 946         return SSL_TLSEXT_ERR_OK;
 947         }
 948 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 949
 950 /* This the context that we pass to alpn_cb */
 951 typedef struct tlsextalpnctx_st {
 952         unsigned char *data;
 953         unsigned short len;
 954 } tlsextalpnctx;
 955
 956 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 957         {
 958         tlsextalpnctx *alpn_ctx = arg;
 959
 960         if (!s_quiet)
 961                 {
 962                 /* We can assume that |in| is syntactically valid. */
 963                 unsigned i;
 964                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 965                 for (i = 0; i < inlen; )
 966                         {
 967                         if (i)
 968                                 BIO_write(bio_s_out, ", ", 2);
 969                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 970                         i += in[i] + 1;
 971                         }
 972                 BIO_write(bio_s_out, "\n", 1);
 973                 }
 974
 975         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 976             OPENSSL_NPN_NEGOTIATED)
 977                 {
 978                 return SSL_TLSEXT_ERR_NOACK;
 979                 }
 980
 981         if (!s_quiet)
 982                 {
 983                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
 984                 BIO_write(bio_s_out, *out, *outlen);
 985                 BIO_write(bio_s_out, "\n", 1);
 986                 }
 987
 988         return SSL_TLSEXT_ERR_OK;
 989         }
 990 #endif  /* ndef OPENSSL_NO_TLSEXT */
 991
 992 int MAIN(int, char **);
 993
 994 #ifndef OPENSSL_NO_JPAKE
 995 static char *jpake_secret = NULL;
 996 #define no_jpake !jpake_secret
 997 #else
 998 #define no_jpake 1
 999 #endif
1000 #ifndef OPENSSL_NO_SRP
1001         static srpsrvparm srp_callback_parm;
1002 #endif
1003 #ifndef OPENSSL_NO_SRTP
1004 static char *srtp_profiles = NULL;
1005 #endif
1006
1007 int MAIN(int argc, char *argv[])
1008         {
1009         X509_VERIFY_PARAM *vpm = NULL;
1010         int badarg = 0;
1011         short port=PORT;
1012         char *CApath=NULL,*CAfile=NULL;
1013         char *chCApath=NULL,*chCAfile=NULL;
1014         char *vfyCApath=NULL,*vfyCAfile=NULL;
1015         unsigned char *context = NULL;
1016         char *dhfile = NULL;
1017         int badop=0;
1018         int ret=1;
1019         int build_chain = 0;
1020         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1021         int state=0;
1022         const SSL_METHOD *meth=NULL;
1023         int socket_type=SOCK_STREAM;
1024         ENGINE *e=NULL;
1025         char *inrand=NULL;
1026         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1027         char *passarg = NULL, *pass = NULL;
1028         char *dpassarg = NULL, *dpass = NULL;
1029         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1030         X509 *s_cert = NULL, *s_dcert = NULL;
1031         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1032         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1033         int no_cache = 0, ext_cache = 0;
1034         int rev = 0, naccept = -1;
1035 #ifndef OPENSSL_NO_TLSEXT
1036         EVP_PKEY *s_key2 = NULL;
1037         X509 *s_cert2 = NULL;
1038         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1039 # ifndef OPENSSL_NO_NEXTPROTONEG
1040         const char *next_proto_neg_in = NULL;
1041         tlsextnextprotoctx next_proto = { NULL, 0};
1042 # endif
1043         const char *alpn_in = NULL;
1044         tlsextalpnctx alpn_ctx = { NULL, 0};
1045 #endif
1046 #ifndef OPENSSL_NO_PSK
1047         /* by default do not send a PSK identity hint */
1048         static char *psk_identity_hint=NULL;
1049 #endif
1050 #ifndef OPENSSL_NO_SRP
1051         char *srpuserseed = NULL;
1052         char *srp_verifier_file = NULL;
1053 #endif
1054         SSL_EXCERT *exc = NULL;
1055         SSL_CONF_CTX *cctx = NULL;
1056         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1057
1058         char *crl_file = NULL;
1059         int crl_format = FORMAT_PEM;
1060         int crl_download = 0;
1061         STACK_OF(X509_CRL) *crls = NULL;
1062
1063         meth=SSLv23_server_method();
1064
1065         local_argc=argc;
1066         local_argv=argv;
1067
1068         apps_startup();
1069 #ifdef MONOLITH
1070         s_server_init();
1071 #endif
1072
1073         if (bio_err == NULL)
1074                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1075
1076         if (!load_config(bio_err, NULL))
1077                 goto end;
1078
1079         cctx = SSL_CONF_CTX_new();
1080         if (!cctx)
1081                 goto end;
1082         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1083         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1084
1085         verify_depth=0;
1086 #ifdef FIONBIO
1087         s_nbio=0;
1088 #endif
1089         s_nbio_test=0;
1090
1091         argc--;
1092         argv++;
1093
1094         while (argc >= 1)
1095                 {
1096                 if      ((strcmp(*argv,"-port") == 0) ||
1097                          (strcmp(*argv,"-accept") == 0))
1098                         {
1099                         if (--argc < 1) goto bad;
1100                         if (!extract_port(*(++argv),&port))
1101                                 goto bad;
1102                         }
1103                 else if (strcmp(*argv,"-naccept") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         naccept = atol(*(++argv));
1107                         if (naccept <= 0)
1108                                 {
1109                                 BIO_printf(bio_err, "bad accept value %s\n",
1110                                                         *argv);
1111                                 goto bad;
1112                                 }
1113                         }
1114                 else if (strcmp(*argv,"-verify") == 0)
1115                         {
1116                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1117                         if (--argc < 1) goto bad;
1118                         verify_depth=atoi(*(++argv));
1119                         if (!s_quiet)
1120                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1121                         }
1122                 else if (strcmp(*argv,"-Verify") == 0)
1123                         {
1124                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1125                                 SSL_VERIFY_CLIENT_ONCE;
1126                         if (--argc < 1) goto bad;
1127                         verify_depth=atoi(*(++argv));
1128                         if (!s_quiet)
1129                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1130                         }
1131                 else if (strcmp(*argv,"-context") == 0)
1132                         {
1133                         if (--argc < 1) goto bad;
1134                         context= (unsigned char *)*(++argv);
1135                         }
1136                 else if (strcmp(*argv,"-cert") == 0)
1137                         {
1138                         if (--argc < 1) goto bad;
1139                         s_cert_file= *(++argv);
1140                         }
1141                 else if (strcmp(*argv,"-CRL") == 0)
1142                         {
1143                         if (--argc < 1) goto bad;
1144                         crl_file= *(++argv);
1145                         }
1146                 else if (strcmp(*argv,"-crl_download") == 0)
1147                         crl_download = 1;
1148 #ifndef OPENSSL_NO_TLSEXT
1149                 else if (strcmp(*argv,"-serverinfo") == 0)
1150                         {
1151                         if (--argc < 1) goto bad;
1152                         s_serverinfo_file = *(++argv);
1153                         }
1154 #endif
1155                 else if (strcmp(*argv,"-certform") == 0)
1156                         {
1157                         if (--argc < 1) goto bad;
1158                         s_cert_format = str2fmt(*(++argv));
1159                         }
1160                 else if (strcmp(*argv,"-key") == 0)
1161                         {
1162                         if (--argc < 1) goto bad;
1163                         s_key_file= *(++argv);
1164                         }
1165                 else if (strcmp(*argv,"-keyform") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         s_key_format = str2fmt(*(++argv));
1169                         }
1170                 else if (strcmp(*argv,"-pass") == 0)
1171                         {
1172                         if (--argc < 1) goto bad;
1173                         passarg = *(++argv);
1174                         }
1175                 else if (strcmp(*argv,"-cert_chain") == 0)
1176                         {
1177                         if (--argc < 1) goto bad;
1178                         s_chain_file= *(++argv);
1179                         }
1180                 else if (strcmp(*argv,"-dhparam") == 0)
1181                         {
1182                         if (--argc < 1) goto bad;
1183                         dhfile = *(++argv);
1184                         }
1185                 else if (strcmp(*argv,"-dcertform") == 0)
1186                         {
1187                         if (--argc < 1) goto bad;
1188                         s_dcert_format = str2fmt(*(++argv));
1189                         }
1190                 else if (strcmp(*argv,"-dcert") == 0)
1191                         {
1192                         if (--argc < 1) goto bad;
1193                         s_dcert_file= *(++argv);
1194                         }
1195                 else if (strcmp(*argv,"-dkeyform") == 0)
1196                         {
1197                         if (--argc < 1) goto bad;
1198                         s_dkey_format = str2fmt(*(++argv));
1199                         }
1200                 else if (strcmp(*argv,"-dpass") == 0)
1201                         {
1202                         if (--argc < 1) goto bad;
1203                         dpassarg = *(++argv);
1204                         }
1205                 else if (strcmp(*argv,"-dkey") == 0)
1206                         {
1207                         if (--argc < 1) goto bad;
1208                         s_dkey_file= *(++argv);
1209                         }
1210                 else if (strcmp(*argv,"-dcert_chain") == 0)
1211                         {
1212                         if (--argc < 1) goto bad;
1213                         s_dchain_file= *(++argv);
1214                         }
1215                 else if (strcmp(*argv,"-nocert") == 0)
1216                         {
1217                         nocert=1;
1218                         }
1219                 else if (strcmp(*argv,"-CApath") == 0)
1220                         {
1221                         if (--argc < 1) goto bad;
1222                         CApath= *(++argv);
1223                         }
1224                 else if (strcmp(*argv,"-chainCApath") == 0)
1225                         {
1226                         if (--argc < 1) goto bad;
1227                         chCApath= *(++argv);
1228                         }
1229                 else if (strcmp(*argv,"-verifyCApath") == 0)
1230                         {
1231                         if (--argc < 1) goto bad;
1232                         vfyCApath= *(++argv);
1233                         }
1234                 else if (strcmp(*argv,"-no_cache") == 0)
1235                         no_cache = 1;
1236                 else if (strcmp(*argv,"-ext_cache") == 0)
1237                         ext_cache = 1;
1238                 else if (strcmp(*argv,"-CRLform") == 0)
1239                         {
1240                         if (--argc < 1) goto bad;
1241                         crl_format = str2fmt(*(++argv));
1242                         }
1243                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1244                         {
1245                         if (badarg)
1246                                 goto bad;
1247                         continue;
1248                         }
1249                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1250                         {
1251                         if (badarg)
1252                                 goto bad;
1253                         continue;
1254                         }
1255                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1256                         {
1257                         if (badarg)
1258                                 goto bad;
1259                         continue;
1260                         }
1261                 else if (strcmp(*argv,"-verify_return_error") == 0)
1262                         verify_return_error = 1;
1263                 else if (strcmp(*argv,"-verify_quiet") == 0)
1264                         verify_quiet = 1;
1265                 else if (strcmp(*argv,"-build_chain") == 0)
1266                         build_chain = 1;
1267                 else if (strcmp(*argv,"-CAfile") == 0)
1268                         {
1269                         if (--argc < 1) goto bad;
1270                         CAfile= *(++argv);
1271                         }
1272                 else if (strcmp(*argv,"-chainCAfile") == 0)
1273                         {
1274                         if (--argc < 1) goto bad;
1275                         chCAfile= *(++argv);
1276                         }
1277                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1278                         {
1279                         if (--argc < 1) goto bad;
1280                         vfyCAfile= *(++argv);
1281                         }
1282 #ifdef FIONBIO
1283                 else if (strcmp(*argv,"-nbio") == 0)
1284                         { s_nbio=1; }
1285 #endif
1286                 else if (strcmp(*argv,"-nbio_test") == 0)
1287                         {
1288 #ifdef FIONBIO
1289                         s_nbio=1;
1290 #endif
1291                         s_nbio_test=1;
1292                         }
1293                 else if (strcmp(*argv,"-ign_eof") == 0)
1294                         s_ign_eof=1;
1295                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1296                         s_ign_eof=0;
1297                 else if (strcmp(*argv,"-debug") == 0)
1298                         { s_debug=1; }
1299 #ifndef OPENSSL_NO_TLSEXT
1300                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1301                         s_tlsextdebug=1;
1302                 else if (strcmp(*argv,"-status") == 0)
1303                         s_tlsextstatus=1;
1304                 else if (strcmp(*argv,"-status_verbose") == 0)
1305                         {
1306                         s_tlsextstatus=1;
1307                         tlscstatp.verbose = 1;
1308                         }
1309                 else if (!strcmp(*argv, "-status_timeout"))
1310                         {
1311                         s_tlsextstatus=1;
1312                         if (--argc < 1) goto bad;
1313                         tlscstatp.timeout = atoi(*(++argv));
1314                         }
1315                 else if (!strcmp(*argv, "-status_url"))
1316                         {
1317                         s_tlsextstatus=1;
1318                         if (--argc < 1) goto bad;
1319                         if (!OCSP_parse_url(*(++argv),
1320                                         &tlscstatp.host,
1321                                         &tlscstatp.port,
1322                                         &tlscstatp.path,
1323                                         &tlscstatp.use_ssl))
1324                                 {
1325                                 BIO_printf(bio_err, "Error parsing URL\n");
1326                                 goto bad;
1327                                 }
1328                         }
1329 #endif
1330                 else if (strcmp(*argv,"-msg") == 0)
1331                         { s_msg=1; }
1332                 else if (strcmp(*argv,"-msgfile") == 0)
1333                         {
1334                         if (--argc < 1) goto bad;
1335                         bio_s_msg = BIO_new_file(*(++argv), "w");
1336                         }
1337 #ifndef OPENSSL_NO_SSL_TRACE
1338                 else if (strcmp(*argv,"-trace") == 0)
1339                         { s_msg=2; }
1340 #endif
1341                 else if (strcmp(*argv,"-hack") == 0)
1342                         { hack=1; }
1343                 else if (strcmp(*argv,"-state") == 0)
1344                         { state=1; }
1345                 else if (strcmp(*argv,"-crlf") == 0)
1346                         { s_crlf=1; }
1347                 else if (strcmp(*argv,"-quiet") == 0)
1348                         { s_quiet=1; }
1349                 else if (strcmp(*argv,"-brief") == 0)
1350                         {
1351                         s_quiet=1;
1352                         s_brief=1;
1353                         verify_quiet=1;
1354                         }
1355                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1356                         { no_tmp_rsa=1; }
1357                 else if (strcmp(*argv,"-no_dhe") == 0)
1358                         { no_dhe=1; }
1359                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1360                         { no_ecdhe=1; }
1361                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1362                         { no_resume_ephemeral = 1; }
1363 #ifndef OPENSSL_NO_PSK
1364                 else if (strcmp(*argv,"-psk_hint") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         psk_identity_hint= *(++argv);
1368                         }
1369                 else if (strcmp(*argv,"-psk") == 0)
1370                         {
1371                         size_t i;
1372
1373                         if (--argc < 1) goto bad;
1374                         psk_key=*(++argv);
1375                         for (i=0; i<strlen(psk_key); i++)
1376                                 {
1377                                 if (isxdigit((unsigned char)psk_key[i]))
1378                                         continue;
1379                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1380                                 goto bad;
1381                                 }
1382                         }
1383 #endif
1384 #ifndef OPENSSL_NO_SRP
1385                 else if (strcmp(*argv, "-srpvfile") == 0)
1386                         {
1387                         if (--argc < 1) goto bad;
1388                         srp_verifier_file = *(++argv);
1389                         meth = TLSv1_server_method();
1390                         }
1391                 else if (strcmp(*argv, "-srpuserseed") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         srpuserseed = *(++argv);
1395                         meth = TLSv1_server_method();
1396                         }
1397 #endif
1398                 else if (strcmp(*argv,"-rev") == 0)
1399                         { rev=1; }
1400                 else if (strcmp(*argv,"-www") == 0)
1401                         { www=1; }
1402                 else if (strcmp(*argv,"-WWW") == 0)
1403                         { www=2; }
1404                 else if (strcmp(*argv,"-HTTP") == 0)
1405                         { www=3; }
1406 #ifndef OPENSSL_NO_SSL2
1407                 else if (strcmp(*argv,"-ssl2") == 0)
1408                         {
1409                         no_ecdhe=1;
1410                         meth=SSLv2_server_method();
1411                         }
1412 #endif
1413 #ifndef OPENSSL_NO_SSL3_METHOD
1414                 else if (strcmp(*argv,"-ssl3") == 0)
1415                         { meth=SSLv3_server_method(); }
1416 #endif
1417 #ifndef OPENSSL_NO_TLS1
1418                 else if (strcmp(*argv,"-tls1") == 0)
1419                         { meth=TLSv1_server_method(); }
1420                 else if (strcmp(*argv,"-tls1_1") == 0)
1421                         { meth=TLSv1_1_server_method(); }
1422                 else if (strcmp(*argv,"-tls1_2") == 0)
1423                         { meth=TLSv1_2_server_method(); }
1424 #endif
1425 #ifndef OPENSSL_NO_DTLS1
1426                 else if (strcmp(*argv,"-dtls") == 0)
1427                         {
1428                         meth=DTLS_server_method();
1429                         socket_type = SOCK_DGRAM;
1430                         }
1431                 else if (strcmp(*argv,"-dtls1") == 0)
1432                         {
1433                         meth=DTLSv1_server_method();
1434                         socket_type = SOCK_DGRAM;
1435                         }
1436                 else if (strcmp(*argv,"-dtls1_2") == 0)
1437                         {
1438                         meth=DTLSv1_2_server_method();
1439                         socket_type = SOCK_DGRAM;
1440                         }
1441                 else if (strcmp(*argv,"-timeout") == 0)
1442                         enable_timeouts = 1;
1443                 else if (strcmp(*argv,"-mtu") == 0)
1444                         {
1445                         if (--argc < 1) goto bad;
1446                         socket_mtu = atol(*(++argv));
1447                         }
1448                 else if (strcmp(*argv, "-chain") == 0)
1449                         cert_chain = 1;
1450 #endif
1451                 else if (strcmp(*argv, "-id_prefix") == 0)
1452                         {
1453                         if (--argc < 1) goto bad;
1454                         session_id_prefix = *(++argv);
1455                         }
1456 #ifndef OPENSSL_NO_ENGINE
1457                 else if (strcmp(*argv,"-engine") == 0)
1458                         {
1459                         if (--argc < 1) goto bad;
1460                         engine_id= *(++argv);
1461                         }
1462 #endif
1463                 else if (strcmp(*argv,"-rand") == 0)
1464                         {
1465                         if (--argc < 1) goto bad;
1466                         inrand= *(++argv);
1467                         }
1468 #ifndef OPENSSL_NO_TLSEXT
1469                 else if (strcmp(*argv,"-servername") == 0)
1470                         {
1471                         if (--argc < 1) goto bad;
1472                         tlsextcbp.servername= *(++argv);
1473                         }
1474                 else if (strcmp(*argv,"-servername_fatal") == 0)
1475                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1476                 else if (strcmp(*argv,"-cert2") == 0)
1477                         {
1478                         if (--argc < 1) goto bad;
1479                         s_cert_file2= *(++argv);
1480                         }
1481                 else if (strcmp(*argv,"-key2") == 0)
1482                         {
1483                         if (--argc < 1) goto bad;
1484                         s_key_file2= *(++argv);
1485                         }
1486 # ifndef OPENSSL_NO_NEXTPROTONEG
1487                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1488                         {
1489                         if (--argc < 1) goto bad;
1490                         next_proto_neg_in = *(++argv);
1491                         }
1492 # endif
1493                 else if (strcmp(*argv,"-alpn") == 0)
1494                         {
1495                         if (--argc < 1) goto bad;
1496                         alpn_in = *(++argv);
1497                         }
1498 #endif
1499 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1500                 else if (strcmp(*argv,"-jpake") == 0)
1501                         {
1502                         if (--argc < 1) goto bad;
1503                         jpake_secret = *(++argv);
1504                         }
1505 #endif
1506 #ifndef OPENSSL_NO_SRTP
1507                 else if (strcmp(*argv,"-use_srtp") == 0)
1508                         {
1509                         if (--argc < 1) goto bad;
1510                         srtp_profiles = *(++argv);
1511                         }
1512 #endif
1513                 else if (strcmp(*argv,"-keymatexport") == 0)
1514                         {
1515                         if (--argc < 1) goto bad;
1516                         keymatexportlabel= *(++argv);
1517                         }
1518                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1519                         {
1520                         if (--argc < 1) goto bad;
1521                         keymatexportlen=atoi(*(++argv));
1522                         if (keymatexportlen == 0) goto bad;
1523                         }
1524                 else
1525                         {
1526                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1527                         badop=1;
1528                         break;
1529                         }
1530                 argc--;
1531                 argv++;
1532                 }
1533         if (badop)
1534                 {
1535 bad:
1536                 sv_usage();
1537                 goto end;
1538                 }
1539 #ifndef OPENSSL_NO_DTLS1
1540         if (www && socket_type == SOCK_DGRAM)
1541                 {
1542                 BIO_printf(bio_err,
1543                                 "Can't use -HTTP, -www or -WWW with DTLS\n");
1544                 goto end;
1545                 }
1546 #endif
1547
1548 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1549         if (jpake_secret)
1550                 {
1551                 if (psk_key)
1552                         {
1553                         BIO_printf(bio_err,
1554                                    "Can't use JPAKE and PSK together\n");
1555                         goto end;
1556                         }
1557                 psk_identity = "JPAKE";
1558                 }
1559 #endif
1560
1561         SSL_load_error_strings();
1562         OpenSSL_add_ssl_algorithms();
1563
1564 #ifndef OPENSSL_NO_ENGINE
1565         e = setup_engine(bio_err, engine_id, 1);
1566 #endif
1567
1568         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1569                 {
1570                 BIO_printf(bio_err, "Error getting password\n");
1571                 goto end;
1572                 }
1573
1574
1575         if (s_key_file == NULL)
1576                 s_key_file = s_cert_file;
1577 #ifndef OPENSSL_NO_TLSEXT
1578         if (s_key_file2 == NULL)
1579                 s_key_file2 = s_cert_file2;
1580 #endif
1581
1582         if (!load_excert(&exc, bio_err))
1583                 goto end;
1584
1585         if (nocert == 0)
1586                 {
1587                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1588                        "server certificate private key file");
1589                 if (!s_key)
1590                         {
1591                         ERR_print_errors(bio_err);
1592                         goto end;
1593                         }
1594
1595                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1596                         NULL, e, "server certificate file");
1597
1598                 if (!s_cert)
1599                         {
1600                         ERR_print_errors(bio_err);
1601                         goto end;
1602                         }
1603                 if (s_chain_file)
1604                         {
1605                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1606                                         NULL, e, "server certificate chain");
1607                         if (!s_chain)
1608                                 goto end;
1609                         }
1610
1611 #ifndef OPENSSL_NO_TLSEXT
1612                 if (tlsextcbp.servername)
1613                         {
1614                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1615                                 "second server certificate private key file");
1616                         if (!s_key2)
1617                                 {
1618                                 ERR_print_errors(bio_err);
1619                                 goto end;
1620                                 }
1621
1622                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1623                                 NULL, e, "second server certificate file");
1624
1625                         if (!s_cert2)
1626                                 {
1627                                 ERR_print_errors(bio_err);
1628                                 goto end;
1629                                 }
1630                         }
1631 #endif /* OPENSSL_NO_TLSEXT */
1632                 }
1633
1634 #if !defined(OPENSSL_NO_TLSEXT)
1635 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1636         if (next_proto_neg_in)
1637                 {
1638                 unsigned short len;
1639                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1640                 if (next_proto.data == NULL)
1641                         goto end;
1642                 next_proto.len = len;
1643                 }
1644         else
1645                 {
1646                 next_proto.data = NULL;
1647                 }
1648 # endif
1649         alpn_ctx.data = NULL;
1650         if (alpn_in)
1651                 {
1652                 unsigned short len;
1653                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1654                 if (alpn_ctx.data == NULL)
1655                         goto end;
1656                 alpn_ctx.len = len;
1657                 }
1658 #endif
1659
1660         if (crl_file)
1661                 {
1662                 X509_CRL *crl;
1663                 crl = load_crl(crl_file, crl_format);
1664                 if (!crl)
1665                         {
1666                         BIO_puts(bio_err, "Error loading CRL\n");
1667                         ERR_print_errors(bio_err);
1668                         goto end;
1669                         }
1670                 crls = sk_X509_CRL_new_null();
1671                 if (!crls || !sk_X509_CRL_push(crls, crl))
1672                         {
1673                         BIO_puts(bio_err, "Error adding CRL\n");
1674                         ERR_print_errors(bio_err);
1675                         X509_CRL_free(crl);
1676                         goto end;
1677                         }
1678                 }
1679
1680
1681         if (s_dcert_file)
1682                 {
1683
1684                 if (s_dkey_file == NULL)
1685                         s_dkey_file = s_dcert_file;
1686
1687                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1688                                 0, dpass, e,
1689                                "second certificate private key file");
1690                 if (!s_dkey)
1691                         {
1692                         ERR_print_errors(bio_err);
1693                         goto end;
1694                         }
1695
1696                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1697                                 NULL, e, "second server certificate file");
1698
1699                 if (!s_dcert)
1700                         {
1701                         ERR_print_errors(bio_err);
1702                         goto end;
1703                         }
1704                 if (s_dchain_file)
1705                         {
1706                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1707                                 NULL, e, "second server certificate chain");
1708                         if (!s_dchain)
1709                                 goto end;
1710                         }
1711
1712                 }
1713
1714         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1715                 && !RAND_status())
1716                 {
1717                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1718                 }
1719         if (inrand != NULL)
1720                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1721                         app_RAND_load_files(inrand));
1722
1723         if (bio_s_out == NULL)
1724                 {
1725                 if (s_quiet && !s_debug)
1726                         {
1727                         bio_s_out=BIO_new(BIO_s_null());
1728                         if (s_msg && !bio_s_msg)
1729                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1730                         }
1731                 else
1732                         {
1733                         if (bio_s_out == NULL)
1734                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1735                         }
1736                 }
1737
1738 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1739         if (nocert)
1740 #endif
1741                 {
1742                 s_cert_file=NULL;
1743                 s_key_file=NULL;
1744                 s_dcert_file=NULL;
1745                 s_dkey_file=NULL;
1746 #ifndef OPENSSL_NO_TLSEXT
1747                 s_cert_file2=NULL;
1748                 s_key_file2=NULL;
1749 #endif
1750                 }
1751
1752         ctx=SSL_CTX_new(meth);
1753         if (ctx == NULL)
1754                 {
1755                 ERR_print_errors(bio_err);
1756                 goto end;
1757                 }
1758         if (session_id_prefix)
1759                 {
1760                 if(strlen(session_id_prefix) >= 32)
1761                         BIO_printf(bio_err,
1762 "warning: id_prefix is too long, only one new session will be possible\n");
1763                 else if(strlen(session_id_prefix) >= 16)
1764                         BIO_printf(bio_err,
1765 "warning: id_prefix is too long if you use SSLv2\n");
1766                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1767                         {
1768                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1769                         ERR_print_errors(bio_err);
1770                         goto end;
1771                         }
1772                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1773                 }
1774         SSL_CTX_set_quiet_shutdown(ctx,1);
1775         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1776         if (exc) ssl_ctx_set_excert(ctx, exc);
1777         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1778          * Setting read ahead solves this problem.
1779          */
1780         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1781
1782         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1783         if (no_cache)
1784                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1785         else if (ext_cache)
1786                 init_session_cache_ctx(ctx);
1787         else
1788                 SSL_CTX_sess_set_cache_size(ctx,128);
1789
1790 #ifndef OPENSSL_NO_SRTP
1791         if (srtp_profiles != NULL)
1792                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1793 #endif
1794
1795 #if 0
1796         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1797 #endif
1798
1799 #if 0
1800         if (s_cert_file == NULL)
1801                 {
1802                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1803                 goto end;
1804                 }
1805 #endif
1806
1807         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1808                 (!SSL_CTX_set_default_verify_paths(ctx)))
1809                 {
1810                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1811                 ERR_print_errors(bio_err);
1812                 /* goto end; */
1813                 }
1814         if (vpm)
1815                 SSL_CTX_set1_param(ctx, vpm);
1816
1817         ssl_ctx_add_crls(ctx, crls, 0);
1818
1819         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1820                 goto end;
1821
1822         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1823                                                 crls, crl_download))
1824                 {
1825                 BIO_printf(bio_err, "Error loading store locations\n");
1826                 ERR_print_errors(bio_err);
1827                 goto end;
1828                 }
1829
1830 #ifndef OPENSSL_NO_TLSEXT
1831         if (s_cert2)
1832                 {
1833                 ctx2=SSL_CTX_new(meth);
1834                 if (ctx2 == NULL)
1835                         {
1836                         ERR_print_errors(bio_err);
1837                         goto end;
1838                         }
1839                 }
1840
1841         if (ctx2)
1842                 {
1843                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1844
1845                 if (session_id_prefix)
1846                         {
1847                         if(strlen(session_id_prefix) >= 32)
1848                                 BIO_printf(bio_err,
1849                                         "warning: id_prefix is too long, only one new session will be possible\n");
1850                         else if(strlen(session_id_prefix) >= 16)
1851                                 BIO_printf(bio_err,
1852                                         "warning: id_prefix is too long if you use SSLv2\n");
1853                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1854                                 {
1855                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1856                                 ERR_print_errors(bio_err);
1857                                 goto end;
1858                                 }
1859                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1860                         }
1861                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1862                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1863                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1864                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1865                  * Setting read ahead solves this problem.
1866                  */
1867                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1868
1869                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1870
1871                 if (no_cache)
1872                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1873                 else if (ext_cache)
1874                         init_session_cache_ctx(ctx2);
1875                 else
1876                         SSL_CTX_sess_set_cache_size(ctx2,128);
1877
1878                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1879                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1880                         {
1881                         ERR_print_errors(bio_err);
1882                         }
1883                 if (vpm)
1884                         SSL_CTX_set1_param(ctx2, vpm);
1885
1886                 ssl_ctx_add_crls(ctx2, crls, 0);
1887
1888                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1889                         goto end;
1890
1891                 }
1892
1893 # ifndef OPENSSL_NO_NEXTPROTONEG
1894         if (next_proto.data)
1895                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1896 # endif
1897         if (alpn_ctx.data)
1898                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1899 #endif
1900
1901 #ifndef OPENSSL_NO_DH
1902         if (!no_dhe)
1903                 {
1904                 DH *dh=NULL;
1905
1906                 if (dhfile)
1907                         dh = load_dh_param(dhfile);
1908                 else if (s_cert_file)
1909                         dh = load_dh_param(s_cert_file);
1910
1911                 if (dh != NULL)
1912                         {
1913                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1914                         }
1915                 else
1916                         {
1917                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1918                         dh=get_dh512();
1919                         }
1920                 (void)BIO_flush(bio_s_out);
1921
1922                 SSL_CTX_set_tmp_dh(ctx,dh);
1923 #ifndef OPENSSL_NO_TLSEXT
1924                 if (ctx2)
1925                         {
1926                         if (!dhfile)
1927                                 {
1928                                 DH *dh2=load_dh_param(s_cert_file2);
1929                                 if (dh2 != NULL)
1930                                         {
1931                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1932                                         (void)BIO_flush(bio_s_out);
1933
1934                                         DH_free(dh);
1935                                         dh = dh2;
1936                                         }
1937                                 }
1938                         SSL_CTX_set_tmp_dh(ctx2,dh);
1939                         }
1940 #endif
1941                 DH_free(dh);
1942                 }
1943 #endif
1944
1945         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1946                 goto end;
1947 #ifndef OPENSSL_NO_TLSEXT
1948         if (s_serverinfo_file != NULL
1949             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1950                 {
1951                 ERR_print_errors(bio_err);
1952                 goto end;
1953                 }
1954 #endif
1955 #ifndef OPENSSL_NO_TLSEXT
1956         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1957                 goto end;
1958 #endif
1959         if (s_dcert != NULL)
1960                 {
1961                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1962                         goto end;
1963                 }
1964
1965 #ifndef OPENSSL_NO_RSA
1966 #if 1
1967         if (!no_tmp_rsa)
1968                 {
1969                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1970 #ifndef OPENSSL_NO_TLSEXT
1971                 if (ctx2)
1972                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1973 #endif
1974                 }
1975 #else
1976         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1977                 {
1978                 RSA *rsa;
1979
1980                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1981                 BIO_flush(bio_s_out);
1982
1983                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1984
1985                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1986                         {
1987                         ERR_print_errors(bio_err);
1988                         goto end;
1989                         }
1990 #ifndef OPENSSL_NO_TLSEXT
1991                         if (ctx2)
1992                                 {
1993                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1994                                         {
1995                                         ERR_print_errors(bio_err);
1996                                         goto end;
1997                                         }
1998                                 }
1999 #endif
2000                 RSA_free(rsa);
2001                 BIO_printf(bio_s_out,"\n");
2002                 }
2003 #endif
2004 #endif
2005
2006 #ifndef OPENSSL_NO_PSK
2007 #ifdef OPENSSL_NO_JPAKE
2008         if (psk_key != NULL)
2009 #else
2010         if (psk_key != NULL || jpake_secret)
2011 #endif
2012                 {
2013                 if (s_debug)
2014                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2015                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2016                 }
2017
2018         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2019                 {
2020                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2021                 ERR_print_errors(bio_err);
2022                 goto end;
2023                 }
2024 #endif
2025
2026         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2027         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2028                 sizeof s_server_session_id_context);
2029
2030         /* Set DTLS cookie generation and verification callbacks */
2031         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2032         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2033
2034 #ifndef OPENSSL_NO_TLSEXT
2035         if (ctx2)
2036                 {
2037                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2038                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2039                         sizeof s_server_session_id_context);
2040
2041                 tlsextcbp.biodebug = bio_s_out;
2042                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2043                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2044                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2045                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2046                 }
2047 #endif
2048
2049 #ifndef OPENSSL_NO_SRP
2050         if (srp_verifier_file != NULL)
2051                 {
2052                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2053                 srp_callback_parm.user = NULL;
2054                 srp_callback_parm.login = NULL;
2055                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2056                         {
2057                         BIO_printf(bio_err,
2058                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2059                                    srp_verifier_file, ret);
2060                                 goto end;
2061                         }
2062                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2063                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2064                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2065                 }
2066         else
2067 #endif
2068         if (CAfile != NULL)
2069                 {
2070                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2071 #ifndef OPENSSL_NO_TLSEXT
2072                 if (ctx2)
2073                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2074 #endif
2075                 }
2076
2077         BIO_printf(bio_s_out,"ACCEPT\n");
2078         (void)BIO_flush(bio_s_out);
2079         if (rev)
2080                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2081         else if (www)
2082                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2083         else
2084                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2085         print_stats(bio_s_out,ctx);
2086         ret=0;
2087 end:
2088         if (ctx != NULL) SSL_CTX_free(ctx);
2089         if (s_cert)
2090                 X509_free(s_cert);
2091         if (crls)
2092                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2093         if (s_dcert)
2094                 X509_free(s_dcert);
2095         if (s_key)
2096                 EVP_PKEY_free(s_key);
2097         if (s_dkey)
2098                 EVP_PKEY_free(s_dkey);
2099         if (s_chain)
2100                 sk_X509_pop_free(s_chain, X509_free);
2101         if (s_dchain)
2102                 sk_X509_pop_free(s_dchain, X509_free);
2103         if (pass)
2104                 OPENSSL_free(pass);
2105         if (dpass)
2106                 OPENSSL_free(dpass);
2107         if (vpm)
2108                 X509_VERIFY_PARAM_free(vpm);
2109         free_sessions();
2110 #ifndef OPENSSL_NO_TLSEXT
2111         if (tlscstatp.host)
2112                 OPENSSL_free(tlscstatp.host);
2113         if (tlscstatp.port)
2114                 OPENSSL_free(tlscstatp.port);
2115         if (tlscstatp.path)
2116                 OPENSSL_free(tlscstatp.path);
2117         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2118         if (s_cert2)
2119                 X509_free(s_cert2);
2120         if (s_key2)
2121                 EVP_PKEY_free(s_key2);
2122         if (serverinfo_in != NULL)
2123                 BIO_free(serverinfo_in);
2124 # ifndef OPENSSL_NO_NEXTPROTONEG
2125         if (next_proto.data)
2126                 OPENSSL_free(next_proto.data);
2127 # endif
2128         if (alpn_ctx.data)
2129                 OPENSSL_free(alpn_ctx.data);
2130 #endif
2131         ssl_excert_free(exc);
2132         if (ssl_args)
2133                 sk_OPENSSL_STRING_free(ssl_args);
2134         if (cctx)
2135                 SSL_CONF_CTX_free(cctx);
2136 #ifndef OPENSSL_NO_JPAKE
2137         if (jpake_secret && psk_key)
2138                 OPENSSL_free(psk_key);
2139 #endif
2140         if (bio_s_out != NULL)
2141                 {
2142                 BIO_free(bio_s_out);
2143                 bio_s_out=NULL;
2144                 }
2145         if (bio_s_msg != NULL)
2146                 {
2147                 BIO_free(bio_s_msg);
2148                 bio_s_msg = NULL;
2149                 }
2150         apps_shutdown();
2151         OPENSSL_EXIT(ret);
2152         }
2153
2154 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2155         {
2156         BIO_printf(bio,"%4ld items in the session cache\n",
2157                 SSL_CTX_sess_number(ssl_ctx));
2158         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2159                 SSL_CTX_sess_connect(ssl_ctx));
2160         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2161                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2162         BIO_printf(bio,"%4ld client connects that finished\n",
2163                 SSL_CTX_sess_connect_good(ssl_ctx));
2164         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2165                 SSL_CTX_sess_accept(ssl_ctx));
2166         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2167                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2168         BIO_printf(bio,"%4ld server accepts that finished\n",
2169                 SSL_CTX_sess_accept_good(ssl_ctx));
2170         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2171         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2172         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2173         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2174         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2175                 SSL_CTX_sess_cache_full(ssl_ctx),
2176                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2177         }
2178
2179 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2180         {
2181         char *buf=NULL;
2182         fd_set readfds;
2183         int ret=1,width;
2184         int k,i;
2185         unsigned long l;
2186         SSL *con=NULL;
2187         BIO *sbio;
2188 #ifndef OPENSSL_NO_KRB5
2189         KSSL_CTX *kctx;
2190 #endif
2191         struct timeval timeout;
2192 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2193         struct timeval tv;
2194 #else
2195         struct timeval *timeoutp;
2196 #endif
2197
2198         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2199                 {
2200                 BIO_printf(bio_err,"out of memory\n");
2201                 goto err;
2202                 }
2203 #ifdef FIONBIO
2204         if (s_nbio)
2205                 {
2206                 unsigned long sl=1;
2207
2208                 if (!s_quiet)
2209                         BIO_printf(bio_err,"turning on non blocking io\n");
2210                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2211                         ERR_print_errors(bio_err);
2212                 }
2213 #endif
2214
2215         if (con == NULL) {
2216                 con=SSL_new(ctx);
2217 #ifndef OPENSSL_NO_TLSEXT
2218         if (s_tlsextdebug)
2219                 {
2220                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2221                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2222                 }
2223         if (s_tlsextstatus)
2224                 {
2225                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2226                 tlscstatp.err = bio_err;
2227                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2228                 }
2229 #endif
2230 #ifndef OPENSSL_NO_KRB5
2231                 if ((kctx = kssl_ctx_new()) != NULL)
2232                         {
2233                         SSL_set0_kssl_ctx(con, kctx);
2234                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2235                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2236                         }
2237 #endif  /* OPENSSL_NO_KRB5 */
2238                 if(context)
2239                       SSL_set_session_id_context(con, context,
2240                                                  strlen((char *)context));
2241         }
2242         SSL_clear(con);
2243 #if 0
2244 #ifdef TLSEXT_TYPE_opaque_prf_input
2245         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2246 #endif
2247 #endif
2248
2249         if (stype == SOCK_DGRAM)
2250                 {
2251
2252                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2253
2254                 if (enable_timeouts)
2255                         {
2256                         timeout.tv_sec = 0;
2257                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2258                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2259
2260                         timeout.tv_sec = 0;
2261                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2262                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2263                         }
2264
2265                 if (socket_mtu)
2266                         {
2267                         if(socket_mtu < DTLS_get_link_min_mtu(con))
2268                                 {
2269                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
2270                                         DTLS_get_link_min_mtu(con));
2271                                 ret = -1;
2272                                 BIO_free(sbio);
2273                                 goto err;
2274                                 }
2275                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2276                         if(!DTLS_set_link_mtu(con, socket_mtu))
2277                                 {
2278                                 BIO_printf(bio_err, "Failed to set MTU\n");
2279                                 ret = -1;
2280                                 BIO_free(sbio);
2281                                 goto err;
2282                                 }
2283                         }
2284                 else
2285                         /* want to do MTU discovery */
2286                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2287
2288         /* turn on cookie exchange */
2289         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2290                 }
2291         else
2292                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2293
2294         if (s_nbio_test)
2295                 {
2296                 BIO *test;
2297
2298                 test=BIO_new(BIO_f_nbio_test());
2299                 sbio=BIO_push(test,sbio);
2300                 }
2301 #ifndef OPENSSL_NO_JPAKE
2302         if(jpake_secret)
2303                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2304 #endif
2305
2306         SSL_set_bio(con,sbio,sbio);
2307         SSL_set_accept_state(con);
2308         /* SSL_set_fd(con,s); */
2309
2310         if (s_debug)
2311                 {
2312                 SSL_set_debug(con, 1);
2313                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2314                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2315                 }
2316         if (s_msg)
2317                 {
2318 #ifndef OPENSSL_NO_SSL_TRACE
2319                 if (s_msg == 2)
2320                         SSL_set_msg_callback(con, SSL_trace);
2321                 else
2322 #endif
2323                         SSL_set_msg_callback(con, msg_cb);
2324                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2325                 }
2326 #ifndef OPENSSL_NO_TLSEXT
2327         if (s_tlsextdebug)
2328                 {
2329                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2330                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2331                 }
2332 #endif
2333
2334         width=s+1;
2335         for (;;)
2336                 {
2337                 int read_from_terminal;
2338                 int read_from_sslcon;
2339
2340                 read_from_terminal = 0;
2341                 read_from_sslcon = SSL_pending(con);
2342
2343                 if (!read_from_sslcon)
2344                         {
2345                         FD_ZERO(&readfds);
2346 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2347                         openssl_fdset(fileno(stdin),&readfds);
2348 #endif
2349                         openssl_fdset(s,&readfds);
2350                         /* Note: under VMS with SOCKETSHR the second parameter is
2351                          * currently of type (int *) whereas under other systems
2352                          * it is (void *) if you don't have a cast it will choke
2353                          * the compiler: if you do have a cast then you can either
2354                          * go for (int *) or (void *).
2355                          */
2356 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2357                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2358                          * on sockets. As a workaround we timeout the select every
2359                          * second and check for any keypress. In a proper Windows
2360                          * application we wouldn't do this because it is inefficient.
2361                          */
2362                         tv.tv_sec = 1;
2363                         tv.tv_usec = 0;
2364                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2365                         if((i < 0) || (!i && !_kbhit() ) )continue;
2366                         if(_kbhit())
2367                                 read_from_terminal = 1;
2368 #elif defined(OPENSSL_SYS_BEOS_R5)
2369                         /* Under BeOS-R5 the situation is similar to DOS */
2370                         tv.tv_sec = 1;
2371                         tv.tv_usec = 0;
2372                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2373                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2374                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2375                                 continue;
2376                         if (read(fileno(stdin), buf, 0) >= 0)
2377                                 read_from_terminal = 1;
2378                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2379 #else
2380                         if ((SSL_version(con) == DTLS1_VERSION) &&
2381                                 DTLSv1_get_timeout(con, &timeout))
2382                                 timeoutp = &timeout;
2383                         else
2384                                 timeoutp = NULL;
2385
2386                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2387
2388                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2389                                 {
2390                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2391                                 }
2392
2393                         if (i <= 0) continue;
2394                         if (FD_ISSET(fileno(stdin),&readfds))
2395                                 read_from_terminal = 1;
2396 #endif
2397                         if (FD_ISSET(s,&readfds))
2398                                 read_from_sslcon = 1;
2399                         }
2400                 if (read_from_terminal)
2401                         {
2402                         if (s_crlf)
2403                                 {
2404                                 int j, lf_num;
2405
2406                                 i=raw_read_stdin(buf, bufsize/2);
2407                                 lf_num = 0;
2408                                 /* both loops are skipped when i <= 0 */
2409                                 for (j = 0; j < i; j++)
2410                                         if (buf[j] == '\n')
2411                                                 lf_num++;
2412                                 for (j = i-1; j >= 0; j--)
2413                                         {
2414                                         buf[j+lf_num] = buf[j];
2415                                         if (buf[j] == '\n')
2416                                                 {
2417                                                 lf_num--;
2418                                                 i++;
2419                                                 buf[j+lf_num] = '\r';
2420                                                 }
2421                                         }
2422                                 assert(lf_num == 0);
2423                                 }
2424                         else
2425                                 i=raw_read_stdin(buf,bufsize);
2426                         if (!s_quiet && !s_brief)
2427                                 {
2428                                 if ((i <= 0) || (buf[0] == 'Q'))
2429                                         {
2430                                         BIO_printf(bio_s_out,"DONE\n");
2431                                         SHUTDOWN(s);
2432                                         close_accept_socket();
2433                                         ret= -11;
2434                                         goto err;
2435                                         }
2436                                 if ((i <= 0) || (buf[0] == 'q'))
2437                                         {
2438                                         BIO_printf(bio_s_out,"DONE\n");
2439                                         if (SSL_version(con) != DTLS1_VERSION)
2440                         SHUTDOWN(s);
2441         /*                              close_accept_socket();
2442                                         ret= -11;*/
2443                                         goto err;
2444                                         }
2445
2446 #ifndef OPENSSL_NO_HEARTBEATS
2447                                 if ((buf[0] == 'B') &&
2448                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2449                                         {
2450                                         BIO_printf(bio_err,"HEARTBEATING\n");
2451                                         SSL_heartbeat(con);
2452                                         i=0;
2453                                         continue;
2454                                         }
2455 #endif
2456                                 if ((buf[0] == 'r') &&
2457                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2458                                         {
2459                                         SSL_renegotiate(con);
2460                                         i=SSL_do_handshake(con);
2461                                         printf("SSL_do_handshake -> %d\n",i);
2462                                         i=0; /*13; */
2463                                         continue;
2464                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2465                                         }
2466                                 if ((buf[0] == 'R') &&
2467                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2468                                         {
2469                                         SSL_set_verify(con,
2470                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2471                                         SSL_renegotiate(con);
2472                                         i=SSL_do_handshake(con);
2473                                         printf("SSL_do_handshake -> %d\n",i);
2474                                         i=0; /* 13; */
2475                                         continue;
2476                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2477                                         }
2478                                 if (buf[0] == 'P')
2479                                         {
2480                                         static const char *str="Lets print some clear text\n";
2481                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2482                                         }
2483                                 if (buf[0] == 'S')
2484                                         {
2485                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2486                                         }
2487                                 }
2488 #ifdef CHARSET_EBCDIC
2489                         ebcdic2ascii(buf,buf,i);
2490 #endif
2491                         l=k=0;
2492                         for (;;)
2493                                 {
2494                                 /* should do a select for the write */
2495 #ifdef RENEG
2496 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2497 #endif
2498                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2499 #ifndef OPENSSL_NO_SRP
2500                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2501                                         {
2502                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2503                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2504                                         if (srp_callback_parm.user)
2505                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2506                                         else
2507                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2508                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2509                                         }
2510 #endif
2511                                 switch (SSL_get_error(con,k))
2512                                         {
2513                                 case SSL_ERROR_NONE:
2514                                         break;
2515                                 case SSL_ERROR_WANT_WRITE:
2516                                 case SSL_ERROR_WANT_READ:
2517                                 case SSL_ERROR_WANT_X509_LOOKUP:
2518                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2519                                         break;
2520                                 case SSL_ERROR_SYSCALL:
2521                                 case SSL_ERROR_SSL:
2522                                         BIO_printf(bio_s_out,"ERROR\n");
2523                                         ERR_print_errors(bio_err);
2524                                         ret=1;
2525                                         goto err;
2526                                         /* break; */
2527                                 case SSL_ERROR_ZERO_RETURN:
2528                                         BIO_printf(bio_s_out,"DONE\n");
2529                                         ret=1;
2530                                         goto err;
2531                                         }
2532                                 l+=k;
2533                                 i-=k;
2534                                 if (i <= 0) break;
2535                                 }
2536                         }
2537                 if (read_from_sslcon)
2538                         {
2539                         if (!SSL_is_init_finished(con))
2540                                 {
2541                                 i=init_ssl_connection(con);
2542
2543                                 if (i < 0)
2544                                         {
2545                                         ret=0;
2546                                         goto err;
2547                                         }
2548                                 else if (i == 0)
2549                                         {
2550                                         ret=1;
2551                                         goto err;
2552                                         }
2553                                 }
2554                         else
2555                                 {
2556 again:
2557                                 i=SSL_read(con,(char *)buf,bufsize);
2558 #ifndef OPENSSL_NO_SRP
2559                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2560                                         {
2561                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2562                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2563                                         if (srp_callback_parm.user)
2564                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2565                                         else
2566                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2567                                         i=SSL_read(con,(char *)buf,bufsize);
2568                                         }
2569 #endif
2570                                 switch (SSL_get_error(con,i))
2571                                         {
2572                                 case SSL_ERROR_NONE:
2573 #ifdef CHARSET_EBCDIC
2574                                         ascii2ebcdic(buf,buf,i);
2575 #endif
2576                                         raw_write_stdout(buf,
2577                                                 (unsigned int)i);
2578                                         if (SSL_pending(con)) goto again;
2579                                         break;
2580                                 case SSL_ERROR_WANT_WRITE:
2581                                 case SSL_ERROR_WANT_READ:
2582                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2583                                         break;
2584                                 case SSL_ERROR_SYSCALL:
2585                                 case SSL_ERROR_SSL:
2586                                         BIO_printf(bio_s_out,"ERROR\n");
2587                                         ERR_print_errors(bio_err);
2588                                         ret=1;
2589                                         goto err;
2590                                 case SSL_ERROR_ZERO_RETURN:
2591                                         BIO_printf(bio_s_out,"DONE\n");
2592                                         ret=1;
2593                                         goto err;
2594                                         }
2595                                 }
2596                         }
2597                 }
2598 err:
2599         if (con != NULL)
2600                 {
2601                 BIO_printf(bio_s_out,"shutting down SSL\n");
2602 #if 1
2603                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2604 #else
2605                 SSL_shutdown(con);
2606 #endif
2607                 SSL_free(con);
2608                 }
2609         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2610         if (buf != NULL)
2611                 {
2612                 OPENSSL_cleanse(buf,bufsize);
2613                 OPENSSL_free(buf);
2614                 }
2615         if (ret >= 0)
2616                 BIO_printf(bio_s_out,"ACCEPT\n");
2617         return(ret);
2618         }
2619
2620 static void close_accept_socket(void)
2621         {
2622         BIO_printf(bio_err,"shutdown accept socket\n");
2623         if (accept_socket >= 0)
2624                 {
2625                 SHUTDOWN2(accept_socket);
2626                 }
2627         }
2628
2629 static int init_ssl_connection(SSL *con)
2630         {
2631         int i;
2632         const char *str;
2633         X509 *peer;
2634         long verify_error;
2635         MS_STATIC char buf[BUFSIZ];
2636 #ifndef OPENSSL_NO_KRB5
2637         char *client_princ;
2638 #endif
2639 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2640         const unsigned char *next_proto_neg;
2641         unsigned next_proto_neg_len;
2642 #endif
2643         unsigned char *exportedkeymat;
2644
2645
2646         i=SSL_accept(con);
2647 #ifdef CERT_CB_TEST_RETRY
2648         {
2649         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2650                 {
2651                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2652                 i=SSL_accept(con);
2653                 }
2654         }
2655 #endif
2656 #ifndef OPENSSL_NO_SRP
2657         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2658                 {
2659                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2660                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2661                         if (srp_callback_parm.user)
2662                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2663                         else
2664                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2665                         i=SSL_accept(con);
2666                 }
2667 #endif
2668
2669         if (i <= 0)
2670                 {
2671                 if (BIO_sock_should_retry(i))
2672                         {
2673                         BIO_printf(bio_s_out,"DELAY\n");
2674                         return(1);
2675                         }
2676
2677                 BIO_printf(bio_err,"ERROR\n");
2678                 verify_error=SSL_get_verify_result(con);
2679                 if (verify_error != X509_V_OK)
2680                         {
2681                         BIO_printf(bio_err,"verify error:%s\n",
2682                                 X509_verify_cert_error_string(verify_error));
2683                         }
2684                 /* Always print any error messages */
2685                 ERR_print_errors(bio_err);
2686                 return(0);
2687                 }
2688
2689         if (s_brief)
2690                 print_ssl_summary(bio_err, con);
2691
2692         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2693
2694         peer=SSL_get_peer_certificate(con);
2695         if (peer != NULL)
2696                 {
2697                 BIO_printf(bio_s_out,"Client certificate\n");
2698                 PEM_write_bio_X509(bio_s_out,peer);
2699                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2700                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2701                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2702                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2703                 X509_free(peer);
2704                 }
2705
2706         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2707                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2708         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2709         ssl_print_sigalgs(bio_s_out, con);
2710 #ifndef OPENSSL_NO_EC
2711         ssl_print_point_formats(bio_s_out, con);
2712         ssl_print_curves(bio_s_out, con, 0);
2713 #endif
2714         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2715
2716 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2717         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2718         if (next_proto_neg)
2719                 {
2720                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2721                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2722                 BIO_printf(bio_s_out, "\n");
2723                 }
2724 #endif
2725 #ifndef OPENSSL_NO_SRTP
2726         {
2727         SRTP_PROTECTION_PROFILE *srtp_profile
2728           = SSL_get_selected_srtp_profile(con);
2729
2730         if(srtp_profile)
2731                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2732                            srtp_profile->name);
2733         }
2734 #endif
2735         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2736         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2737                 TLS1_FLAGS_TLS_PADDING_BUG)
2738                 BIO_printf(bio_s_out,
2739                            "Peer has incorrect TLSv1 block padding\n");
2740 #ifndef OPENSSL_NO_KRB5
2741         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2742         if (client_princ != NULL)
2743                 {
2744                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2745                                                                 client_princ);
2746                 }
2747 #endif /* OPENSSL_NO_KRB5 */
2748         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2749                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2750         if (keymatexportlabel != NULL)
2751                 {
2752                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2753                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2754                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2755                            keymatexportlen);
2756                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2757                 if (exportedkeymat != NULL)
2758                         {
2759                         if (!SSL_export_keying_material(con, exportedkeymat,
2760                                                         keymatexportlen,
2761                                                         keymatexportlabel,
2762                                                         strlen(keymatexportlabel),
2763                                                         NULL, 0, 0))
2764                                 {
2765                                 BIO_printf(bio_s_out, "    Error\n");
2766                                 }
2767                         else
2768                                 {
2769                                 BIO_printf(bio_s_out, "    Keying material: ");
2770                                 for (i=0; i<keymatexportlen; i++)
2771                                         BIO_printf(bio_s_out, "%02X",
2772                                                    exportedkeymat[i]);
2773                                 BIO_printf(bio_s_out, "\n");
2774                                 }
2775                         OPENSSL_free(exportedkeymat);
2776                         }
2777                 }
2778
2779         return(1);
2780         }
2781
2782 #ifndef OPENSSL_NO_DH
2783 static DH *load_dh_param(const char *dhfile)
2784         {
2785         DH *ret=NULL;
2786         BIO *bio;
2787
2788         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2789                 goto err;
2790         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2791 err:
2792         if (bio != NULL) BIO_free(bio);
2793         return(ret);
2794         }
2795 #endif
2796 #ifndef OPENSSL_NO_KRB5
2797         char *client_princ;
2798 #endif
2799
2800 #if 0
2801 static int load_CA(SSL_CTX *ctx, char *file)
2802         {
2803         FILE *in;
2804         X509 *x=NULL;
2805
2806         if ((in=fopen(file,"r")) == NULL)
2807                 return(0);
2808
2809         for (;;)
2810                 {
2811                 if (PEM_read_X509(in,&x,NULL) == NULL)
2812                         break;
2813                 SSL_CTX_add_client_CA(ctx,x);
2814                 }
2815         if (x != NULL) X509_free(x);
2816         fclose(in);
2817         return(1);
2818         }
2819 #endif
2820
2821 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2822         {
2823         char *buf=NULL;
2824         int ret=1;
2825         int i,j,k,dot;
2826         SSL *con;
2827         const SSL_CIPHER *c;
2828         BIO *io,*ssl_bio,*sbio;
2829 #ifndef OPENSSL_NO_KRB5
2830         KSSL_CTX *kctx;
2831 #endif
2832
2833         buf=OPENSSL_malloc(bufsize);
2834         if (buf == NULL) return(0);
2835         io=BIO_new(BIO_f_buffer());
2836         ssl_bio=BIO_new(BIO_f_ssl());
2837         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2838
2839 #ifdef FIONBIO
2840         if (s_nbio)
2841                 {
2842                 unsigned long sl=1;
2843
2844                 if (!s_quiet)
2845                         BIO_printf(bio_err,"turning on non blocking io\n");
2846                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2847                         ERR_print_errors(bio_err);
2848                 }
2849 #endif
2850
2851         /* lets make the output buffer a reasonable size */
2852         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2853
2854         if ((con=SSL_new(ctx)) == NULL) goto err;
2855 #ifndef OPENSSL_NO_TLSEXT
2856                 if (s_tlsextdebug)
2857                         {
2858                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2859                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2860                         }
2861 #endif
2862 #ifndef OPENSSL_NO_KRB5
2863         if ((kctx = kssl_ctx_new()) != NULL)
2864                 {
2865                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2866                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2867                 }
2868 #endif  /* OPENSSL_NO_KRB5 */
2869         if(context) SSL_set_session_id_context(con, context,
2870                                                strlen((char *)context));
2871
2872         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2873         if (s_nbio_test)
2874                 {
2875                 BIO *test;
2876
2877                 test=BIO_new(BIO_f_nbio_test());
2878                 sbio=BIO_push(test,sbio);
2879                 }
2880         SSL_set_bio(con,sbio,sbio);
2881         SSL_set_accept_state(con);
2882
2883         /* SSL_set_fd(con,s); */
2884         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2885         BIO_push(io,ssl_bio);
2886 #ifdef CHARSET_EBCDIC
2887         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2888 #endif
2889
2890         if (s_debug)
2891                 {
2892                 SSL_set_debug(con, 1);
2893                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2894                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2895                 }
2896         if (s_msg)
2897                 {
2898 #ifndef OPENSSL_NO_SSL_TRACE
2899                 if (s_msg == 2)
2900                         SSL_set_msg_callback(con, SSL_trace);
2901                 else
2902 #endif
2903                         SSL_set_msg_callback(con, msg_cb);
2904                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2905                 }
2906
2907         for (;;)
2908                 {
2909                 if (hack)
2910                         {
2911                         i=SSL_accept(con);
2912 #ifndef OPENSSL_NO_SRP
2913                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2914                 {
2915                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2916                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2917                         if (srp_callback_parm.user)
2918                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2919                         else
2920                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2921                         i=SSL_accept(con);
2922                 }
2923 #endif
2924                         switch (SSL_get_error(con,i))
2925                                 {
2926                         case SSL_ERROR_NONE:
2927                                 break;
2928                         case SSL_ERROR_WANT_WRITE:
2929                         case SSL_ERROR_WANT_READ:
2930                         case SSL_ERROR_WANT_X509_LOOKUP:
2931                                 continue;
2932                         case SSL_ERROR_SYSCALL:
2933                         case SSL_ERROR_SSL:
2934                         case SSL_ERROR_ZERO_RETURN:
2935                                 ret=1;
2936                                 goto err;
2937                                 /* break; */
2938                                 }
2939
2940                         SSL_renegotiate(con);
2941                         SSL_write(con,NULL,0);
2942                         }
2943
2944                 i=BIO_gets(io,buf,bufsize-1);
2945                 if (i < 0) /* error */
2946                         {
2947                         if (!BIO_should_retry(io))
2948                                 {
2949                                 if (!s_quiet)
2950                                         ERR_print_errors(bio_err);
2951                                 goto err;
2952                                 }
2953                         else
2954                                 {
2955                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2956 #if defined(OPENSSL_SYS_NETWARE)
2957             delay(1000);
2958 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2959                                 sleep(1);
2960 #endif
2961                                 continue;
2962                                 }
2963                         }
2964                 else if (i == 0) /* end of input */
2965                         {
2966                         ret=1;
2967                         goto end;
2968                         }
2969
2970                 /* else we have data */
2971                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2972                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2973                         {
2974                         char *p;
2975                         X509 *peer;
2976                         STACK_OF(SSL_CIPHER) *sk;
2977                         static const char *space="                          ";
2978
2979                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2980                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2981                         BIO_puts(io,"<pre>\n");
2982 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2983                         BIO_puts(io,"\n");
2984                         for (i=0; i<local_argc; i++)
2985                                 {
2986                                 BIO_puts(io,local_argv[i]);
2987                                 BIO_write(io," ",1);
2988                                 }
2989                         BIO_puts(io,"\n");
2990
2991                         BIO_printf(io,
2992                                 "Secure Renegotiation IS%s supported\n",
2993                                 SSL_get_secure_renegotiation_support(con) ?
2994                                                         "" : " NOT");
2995
2996                         /* The following is evil and should not really
2997                          * be done */
2998                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2999                         sk=SSL_get_ciphers(con);
3000                         j=sk_SSL_CIPHER_num(sk);
3001                         for (i=0; i<j; i++)
3002                                 {
3003                                 c=sk_SSL_CIPHER_value(sk,i);
3004                                 BIO_printf(io,"%-11s:%-25s",
3005                                         SSL_CIPHER_get_version(c),
3006                                         SSL_CIPHER_get_name(c));
3007                                 if ((((i+1)%2) == 0) && (i+1 != j))
3008                                         BIO_puts(io,"\n");
3009                                 }
3010                         BIO_puts(io,"\n");
3011                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3012                         if (p != NULL)
3013                                 {
3014                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3015                                 j=i=0;
3016                                 while (*p)
3017                                         {
3018                                         if (*p == ':')
3019                                                 {
3020                                                 BIO_write(io,space,26-j);
3021                                                 i++;
3022                                                 j=0;
3023                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3024                                                 }
3025                                         else
3026                                                 {
3027                                                 BIO_write(io,p,1);
3028                                                 j++;
3029                                                 }
3030                                         p++;
3031                                         }
3032                                 BIO_puts(io,"\n");
3033                                 }
3034                         ssl_print_sigalgs(io, con);
3035 #ifndef OPENSSL_NO_EC
3036                         ssl_print_curves(io, con, 0);
3037 #endif
3038                         BIO_printf(io,(SSL_cache_hit(con)
3039                                 ?"---\nReused, "
3040                                 :"---\nNew, "));
3041                         c=SSL_get_current_cipher(con);
3042                         BIO_printf(io,"%s, Cipher is %s\n",
3043                                 SSL_CIPHER_get_version(c),
3044                                 SSL_CIPHER_get_name(c));
3045                         SSL_SESSION_print(io,SSL_get_session(con));
3046                         BIO_printf(io,"---\n");
3047                         print_stats(io,SSL_get_SSL_CTX(con));
3048                         BIO_printf(io,"---\n");
3049                         peer=SSL_get_peer_certificate(con);
3050                         if (peer != NULL)
3051                                 {
3052                                 BIO_printf(io,"Client certificate\n");
3053                                 X509_print(io,peer);
3054                                 PEM_write_bio_X509(io,peer);
3055                                 }
3056                         else
3057                                 BIO_puts(io,"no client certificate available\n");
3058                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3059                         break;
3060                         }
3061                 else if ((www == 2 || www == 3)
3062                          && (strncmp("GET /",buf,5) == 0))
3063                         {
3064                         BIO *file;
3065                         char *p,*e;
3066                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3067
3068                         /* skip the '/' */
3069                         p= &(buf[5]);
3070
3071                         dot = 1;
3072                         for (e=p; *e != '\0'; e++)
3073                                 {
3074                                 if (e[0] == ' ')
3075                                         break;
3076
3077                                 switch (dot)
3078                                         {
3079                                 case 1:
3080                                         dot = (e[0] == '.') ? 2 : 0;
3081                                         break;
3082                                 case 2:
3083                                         dot = (e[0] == '.') ? 3 : 0;
3084                                         break;
3085                                 case 3:
3086                                         dot = (e[0] == '/') ? -1 : 0;
3087                                         break;
3088                                         }
3089                                 if (dot == 0)
3090                                         dot = (e[0] == '/') ? 1 : 0;
3091                                 }
3092                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3093
3094                         if (*e == '\0')
3095                                 {
3096                                 BIO_puts(io,text);
3097                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3098                                 break;
3099                                 }
3100                         *e='\0';
3101
3102                         if (dot)
3103                                 {
3104                                 BIO_puts(io,text);
3105                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3106                                 break;
3107                                 }
3108
3109                         if (*p == '/')
3110                                 {
3111                                 BIO_puts(io,text);
3112                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3113                                 break;
3114                                 }
3115
3116 #if 0
3117                         /* append if a directory lookup */
3118                         if (e[-1] == '/')
3119                                 strcat(p,"index.html");
3120 #endif
3121
3122                         /* if a directory, do the index thang */
3123                         if (app_isdir(p)>0)
3124                                 {
3125 #if 0 /* must check buffer size */
3126                                 strcat(p,"/index.html");
3127 #else
3128                                 BIO_puts(io,text);
3129                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3130                                 break;
3131 #endif
3132                                 }
3133
3134                         if ((file=BIO_new_file(p,"r")) == NULL)
3135                                 {
3136                                 BIO_puts(io,text);
3137                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3138                                 ERR_print_errors(io);
3139                                 break;
3140                                 }
3141
3142                         if (!s_quiet)
3143                                 BIO_printf(bio_err,"FILE:%s\n",p);
3144
3145                         if (www == 2)
3146                                 {
3147                                 i=strlen(p);
3148                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3149                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3150                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3151                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3152                                 else
3153                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3154                                 }
3155                         /* send the file */
3156                         for (;;)
3157                                 {
3158                                 i=BIO_read(file,buf,bufsize);
3159                                 if (i <= 0) break;
3160
3161 #ifdef RENEG
3162                                 total_bytes+=i;
3163                                 fprintf(stderr,"%d\n",i);
3164                                 if (total_bytes > 3*1024)
3165                                         {
3166                                         total_bytes=0;
3167                                         fprintf(stderr,"RENEGOTIATE\n");
3168                                         SSL_renegotiate(con);
3169                                         }
3170 #endif
3171
3172                                 for (j=0; j<i; )
3173                                         {
3174 #ifdef RENEG
3175 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3176 #endif
3177                                         k=BIO_write(io,&(buf[j]),i-j);
3178                                         if (k <= 0)
3179                                                 {
3180                                                 if (!BIO_should_retry(io))
3181                                                         goto write_error;
3182                                                 else
3183                                                         {
3184                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3185                                                         }
3186                                                 }
3187                                         else
3188                                                 {
3189                                                 j+=k;
3190                                                 }
3191                                         }
3192                                 }
3193 write_error:
3194                         BIO_free(file);
3195                         break;
3196                         }
3197                 }
3198
3199         for (;;)
3200                 {
3201                 i=(int)BIO_flush(io);
3202                 if (i <= 0)
3203                         {
3204                         if (!BIO_should_retry(io))
3205                                 break;
3206                         }
3207                 else
3208                         break;
3209                 }
3210 end:
3211 #if 1
3212         /* make sure we re-use sessions */
3213         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3214 #else
3215         /* This kills performance */
3216 /*      SSL_shutdown(con); A shutdown gets sent in the
3217  *      BIO_free_all(io) procession */
3218 #endif
3219
3220 err:
3221
3222         if (ret >= 0)
3223                 BIO_printf(bio_s_out,"ACCEPT\n");
3224
3225         if (buf != NULL) OPENSSL_free(buf);
3226         if (io != NULL) BIO_free_all(io);
3227 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3228         return(ret);
3229         }
3230
3231 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3232         {
3233         char *buf=NULL;
3234         int i;
3235         int ret=1;
3236         SSL *con;
3237         BIO *io,*ssl_bio,*sbio;
3238 #ifndef OPENSSL_NO_KRB5
3239         KSSL_CTX *kctx;
3240 #endif
3241
3242         buf=OPENSSL_malloc(bufsize);
3243         if (buf == NULL) return(0);
3244         io=BIO_new(BIO_f_buffer());
3245         ssl_bio=BIO_new(BIO_f_ssl());
3246         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3247
3248         /* lets make the output buffer a reasonable size */
3249         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3250
3251         if ((con=SSL_new(ctx)) == NULL) goto err;
3252 #ifndef OPENSSL_NO_TLSEXT
3253         if (s_tlsextdebug)
3254                 {
3255                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3256                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3257                 }
3258 #endif
3259 #ifndef OPENSSL_NO_KRB5
3260         if ((kctx = kssl_ctx_new()) != NULL)
3261                 {
3262                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3263                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3264                 }
3265 #endif  /* OPENSSL_NO_KRB5 */
3266         if(context) SSL_set_session_id_context(con, context,
3267                                                strlen((char *)context));
3268
3269         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3270         SSL_set_bio(con,sbio,sbio);
3271         SSL_set_accept_state(con);
3272
3273         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3274         BIO_push(io,ssl_bio);
3275 #ifdef CHARSET_EBCDIC
3276         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3277 #endif
3278
3279         if (s_debug)
3280                 {
3281                 SSL_set_debug(con, 1);
3282                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3283                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3284                 }
3285         if (s_msg)
3286                 {
3287 #ifndef OPENSSL_NO_SSL_TRACE
3288                 if (s_msg == 2)
3289                         SSL_set_msg_callback(con, SSL_trace);
3290                 else
3291 #endif
3292                         SSL_set_msg_callback(con, msg_cb);
3293                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3294                 }
3295
3296         for (;;)
3297                 {
3298                 i = BIO_do_handshake(io);
3299                 if (i > 0)
3300                         break;
3301                 if (!BIO_should_retry(io))
3302                         {
3303                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3304                         ERR_print_errors(bio_err);
3305                         goto end;
3306                         }
3307                 }
3308         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3309         print_ssl_summary(bio_err, con);
3310
3311         for (;;)
3312                 {
3313                 i=BIO_gets(io,buf,bufsize-1);
3314                 if (i < 0) /* error */
3315                         {
3316                         if (!BIO_should_retry(io))
3317                                 {
3318                                 if (!s_quiet)
3319                                         ERR_print_errors(bio_err);
3320                                 goto err;
3321                                 }
3322                         else
3323                                 {
3324                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3325 #if defined(OPENSSL_SYS_NETWARE)
3326             delay(1000);
3327 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3328                                 sleep(1);
3329 #endif
3330                                 continue;
3331                                 }
3332                         }
3333                 else if (i == 0) /* end of input */
3334                         {
3335                         ret=1;
3336                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3337                         goto end;
3338                         }
3339                 else
3340                         {
3341                         char *p = buf + i - 1;
3342                         while(i && (*p == '\n' || *p == '\r'))
3343                                 {
3344                                 p--;
3345                                 i--;
3346                                 }
3347                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3348                                 {
3349                                 ret = 1;
3350                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3351                                 goto end;
3352                                 }
3353                         BUF_reverse((unsigned char *)buf, NULL, i);
3354                         buf[i] = '\n';
3355                         BIO_write(io, buf, i + 1);
3356                         for (;;)
3357                                 {
3358                                 i = BIO_flush(io);
3359                                 if (i > 0)
3360                                         break;
3361                                 if (!BIO_should_retry(io))
3362                                         goto end;
3363                                 }
3364                         }
3365                 }
3366 end:
3367         /* make sure we re-use sessions */
3368         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3369
3370 err:
3371
3372         if (buf != NULL) OPENSSL_free(buf);
3373         if (io != NULL) BIO_free_all(io);
3374         return(ret);
3375         }
3376
3377 #ifndef OPENSSL_NO_RSA
3378 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3379         {
3380         BIGNUM *bn = NULL;
3381         static RSA *rsa_tmp=NULL;
3382
3383         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3384                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3385         if (!rsa_tmp && bn)
3386                 {
3387                 if (!s_quiet)
3388                         {
3389                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3390                         (void)BIO_flush(bio_err);
3391                         }
3392                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3393                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3394                         {
3395                         if(rsa_tmp) RSA_free(rsa_tmp);
3396                         rsa_tmp = NULL;
3397                         }
3398                 if (!s_quiet)
3399                         {
3400                         BIO_printf(bio_err,"\n");
3401                         (void)BIO_flush(bio_err);
3402                         }
3403                 BN_free(bn);
3404                 }
3405         return(rsa_tmp);
3406         }
3407 #endif
3408
3409 #define MAX_SESSION_ID_ATTEMPTS 10
3410 static int generate_session_id(const SSL *ssl, unsigned char *id,
3411                                 unsigned int *id_len)
3412         {
3413         unsigned int count = 0;
3414         do      {
3415                 RAND_pseudo_bytes(id, *id_len);
3416                 /* Prefix the session_id with the required prefix. NB: If our
3417                  * prefix is too long, clip it - but there will be worse effects
3418                  * anyway, eg. the server could only possibly create 1 session
3419                  * ID (ie. the prefix!) so all future session negotiations will
3420                  * fail due to conflicts. */
3421                 memcpy(id, session_id_prefix,
3422                         (strlen(session_id_prefix) < *id_len) ?
3423                         strlen(session_id_prefix) : *id_len);
3424                 }
3425         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3426                 (++count < MAX_SESSION_ID_ATTEMPTS));
3427         if(count >= MAX_SESSION_ID_ATTEMPTS)
3428                 return 0;
3429         return 1;
3430         }
3431
3432 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3433  * structures without any serialisation. This hides some bugs which only
3434  * become apparent in deployed servers. By implementing a basic external
3435  * session cache some issues can be debugged using s_server.
3436  */
3437
3438 typedef struct simple_ssl_session_st
3439         {
3440         unsigned char *id;
3441         unsigned int idlen;
3442         unsigned char *der;
3443         int derlen;
3444         struct simple_ssl_session_st *next;
3445         } simple_ssl_session;
3446
3447 static simple_ssl_session *first = NULL;
3448
3449 static int add_session(SSL *ssl, SSL_SESSION *session)
3450         {
3451         simple_ssl_session *sess;
3452         unsigned char *p;
3453
3454         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3455
3456         SSL_SESSION_get_id(session, &sess->idlen);
3457         sess->derlen = i2d_SSL_SESSION(session, NULL);
3458
3459         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3460
3461         sess->der = OPENSSL_malloc(sess->derlen);
3462         p = sess->der;
3463         i2d_SSL_SESSION(session, &p);
3464
3465         sess->next = first;
3466         first = sess;
3467         BIO_printf(bio_err, "New session added to external cache\n");
3468         return 0;
3469         }
3470
3471 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3472                                         int *do_copy)
3473         {
3474         simple_ssl_session *sess;
3475         *do_copy = 0;
3476         for (sess = first; sess; sess = sess->next)
3477                 {
3478                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3479                         {
3480                         const unsigned char *p = sess->der;
3481                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3482                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3483                         }
3484                 }
3485         BIO_printf(bio_err, "Lookup session: cache miss\n");
3486         return NULL;
3487         }
3488
3489 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3490         {
3491         simple_ssl_session *sess, *prev = NULL;
3492         const unsigned char *id;
3493         unsigned int idlen;
3494         id = SSL_SESSION_get_id(session, &idlen);
3495         for (sess = first; sess; sess = sess->next)
3496                 {
3497                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3498                         {
3499                         if(prev)
3500                                 prev->next = sess->next;
3501                         else
3502                                 first = sess->next;
3503                         OPENSSL_free(sess->id);
3504                         OPENSSL_free(sess->der);
3505                         OPENSSL_free(sess);
3506                         return;
3507                         }
3508                 prev = sess;
3509                 }
3510         }
3511
3512 static void init_session_cache_ctx(SSL_CTX *sctx)
3513         {
3514         SSL_CTX_set_session_cache_mode(sctx,
3515                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3516         SSL_CTX_sess_set_new_cb(sctx, add_session);
3517         SSL_CTX_sess_set_get_cb(sctx, get_session);
3518         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3519         }
3520
3521 static void free_sessions(void)
3522         {
3523         simple_ssl_session *sess, *tsess;
3524         for (sess = first; sess;)
3525                 {
3526                 OPENSSL_free(sess->id);
3527                 OPENSSL_free(sess->der);
3528                 tsess = sess;
3529                 sess = sess->next;
3530                 OPENSSL_free(tsess);
3531                 }
3532         first = NULL;
3533         }
3534