apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
 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 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_TLSEXT
 228
 229 static const unsigned char auth_ext_data[]={TLSEXT_AUTHZDATAFORMAT_dtcp};
 230
 231 static unsigned char *generated_supp_data = NULL;
 232
 233 static const unsigned char *most_recent_supplemental_data = NULL;
 234 static size_t most_recent_supplemental_data_length = 0;
 235
 236 static int client_provided_server_authz = 0;
 237 static int client_provided_client_authz = 0;
 238
 239 #endif
 240
 241 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 242
 243 #undef BUFSIZZ
 244 #define BUFSIZZ 16*1024
 245 static int bufsize=BUFSIZZ;
 246 static int accept_socket= -1;
 247
 248 #define TEST_CERT       "server.pem"
 249 #ifndef OPENSSL_NO_TLSEXT
 250 #define TEST_CERT2      "server2.pem"
 251 #endif
 252 #undef PROG
 253 #define PROG            s_server_main
 254
 255 extern int verify_depth, verify_return_error, verify_quiet;
 256
 257 static int s_server_verify=SSL_VERIFY_NONE;
 258 static int s_server_session_id_context = 1; /* anything will do */
 259 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 260 #ifndef OPENSSL_NO_TLSEXT
 261 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 262 #endif
 263 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 264 #ifdef FIONBIO
 265 static int s_nbio=0;
 266 #endif
 267 static int s_nbio_test=0;
 268 int s_crlf=0;
 269 static SSL_CTX *ctx=NULL;
 270 #ifndef OPENSSL_NO_TLSEXT
 271 static SSL_CTX *ctx2=NULL;
 272 #endif
 273 static int www=0;
 274
 275 static BIO *bio_s_out=NULL;
 276 static BIO *bio_s_msg = NULL;
 277 static int s_debug=0;
 278 #ifndef OPENSSL_NO_TLSEXT
 279 static int s_tlsextdebug=0;
 280 static int s_tlsextstatus=0;
 281 static int cert_status_cb(SSL *s, void *arg);
 282 #endif
 283 static int no_resume_ephemeral = 0;
 284 static int s_msg=0;
 285 static int s_quiet=0;
 286 static int s_ign_eof=0;
 287 static int s_brief=0;
 288
 289 static char *keymatexportlabel=NULL;
 290 static int keymatexportlen=20;
 291
 292 static int hack=0;
 293 #ifndef OPENSSL_NO_ENGINE
 294 static char *engine_id=NULL;
 295 #endif
 296 static const char *session_id_prefix=NULL;
 297
 298 static int enable_timeouts = 0;
 299 static long socket_mtu;
 300 #ifndef OPENSSL_NO_DTLS1
 301 static int cert_chain = 0;
 302 #endif
 303
 304 #ifndef OPENSSL_NO_TLSEXT
 305 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
 306                        const unsigned char *in,
 307                        unsigned short inlen, int *al,
 308                        void *arg);
 309
 310 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
 311                                      const unsigned char **out,
 312                                      unsigned short *outlen, int *al, void *arg);
 313
 314 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
 315                                     const unsigned char **out, unsigned short *outlen,
 316                                     int *al, void *arg);
 317
 318 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
 319                            const unsigned char *in,
 320                            unsigned short inlen, int *al,
 321                            void *arg);
 322
 323 static BIO *serverinfo_in = NULL;
 324 static const char *s_serverinfo_file = NULL;
 325
 326 static int c_auth = 0;
 327 static int c_auth_require_reneg = 0;
 328 #endif
 329
 330 #ifndef OPENSSL_NO_PSK
 331 static char *psk_identity="Client_identity";
 332 char *psk_key=NULL; /* by default PSK is not used */
 333
 334 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 335         unsigned char *psk, unsigned int max_psk_len)
 336         {
 337         unsigned int psk_len = 0;
 338         int ret;
 339         BIGNUM *bn = NULL;
 340
 341         if (s_debug)
 342                 BIO_printf(bio_s_out,"psk_server_cb\n");
 343         if (!identity)
 344                 {
 345                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 346                 goto out_err;
 347                 }
 348         if (s_debug)
 349                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 350                         identity ? (int)strlen(identity) : 0, identity);
 351
 352         /* here we could lookup the given identity e.g. from a database */
 353         if (strcmp(identity, psk_identity) != 0)
 354                 {
 355                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 356                            " (got '%s' expected '%s')\n", identity,
 357                            psk_identity);
 358                 goto out_err;
 359                 }
 360         if (s_debug)
 361                 BIO_printf(bio_s_out, "PSK client identity found\n");
 362
 363         /* convert the PSK key to binary */
 364         ret = BN_hex2bn(&bn, psk_key);
 365         if (!ret)
 366                 {
 367                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 368                 if (bn)
 369                         BN_free(bn);
 370                 return 0;
 371                 }
 372         if (BN_num_bytes(bn) > (int)max_psk_len)
 373                 {
 374                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 375                         max_psk_len, BN_num_bytes(bn));
 376                 BN_free(bn);
 377                 return 0;
 378                 }
 379
 380         ret = BN_bn2bin(bn, psk);
 381         BN_free(bn);
 382
 383         if (ret < 0)
 384                 goto out_err;
 385         psk_len = (unsigned int)ret;
 386
 387         if (s_debug)
 388                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 389         return psk_len;
 390  out_err:
 391         if (s_debug)
 392                 BIO_printf(bio_err, "Error in PSK server callback\n");
 393         return 0;
 394         }
 395 #endif
 396
 397 #ifndef OPENSSL_NO_SRP
 398 /* This is a context that we pass to callbacks */
 399 typedef struct srpsrvparm_st
 400         {
 401         char *login;
 402         SRP_VBASE *vb;
 403         SRP_user_pwd *user;
 404         } srpsrvparm;
 405
 406 /* This callback pretends to require some asynchronous logic in order to obtain
 407    a verifier. When the callback is called for a new connection we return
 408    with a negative value. This will provoke the accept etc to return with
 409    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 410    (which would normally occur after a worker has finished) and we
 411    set the user parameters.
 412 */
 413 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 414         {
 415         srpsrvparm *p = (srpsrvparm *)arg;
 416         if (p->login == NULL && p->user == NULL )
 417                 {
 418                 p->login = SSL_get_srp_username(s);
 419                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 420                 return (-1) ;
 421                 }
 422
 423         if (p->user == NULL)
 424                 {
 425                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 426                 return SSL3_AL_FATAL;
 427                 }
 428         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 429                                      p->user->info) < 0)
 430                 {
 431                 *ad = SSL_AD_INTERNAL_ERROR;
 432                 return SSL3_AL_FATAL;
 433                 }
 434         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 435         /* need to check whether there are memory leaks */
 436         p->user = NULL;
 437         p->login = NULL;
 438         return SSL_ERROR_NONE;
 439         }
 440
 441 #endif
 442
 443 #ifdef MONOLITH
 444 static void s_server_init(void)
 445         {
 446         accept_socket=-1;
 447         s_server_verify=SSL_VERIFY_NONE;
 448         s_dcert_file=NULL;
 449         s_dkey_file=NULL;
 450         s_dchain_file=NULL;
 451         s_cert_file=TEST_CERT;
 452         s_key_file=NULL;
 453         s_chain_file=NULL;
 454 #ifndef OPENSSL_NO_TLSEXT
 455         s_cert_file2=TEST_CERT2;
 456         s_key_file2=NULL;
 457         ctx2=NULL;
 458 #endif
 459 #ifdef FIONBIO
 460         s_nbio=0;
 461 #endif
 462         s_nbio_test=0;
 463         ctx=NULL;
 464         www=0;
 465
 466         bio_s_out=NULL;
 467         s_debug=0;
 468         s_msg=0;
 469         s_quiet=0;
 470         s_brief=0;
 471         hack=0;
 472 #ifndef OPENSSL_NO_ENGINE
 473         engine_id=NULL;
 474 #endif
 475         }
 476 #endif
 477
 478 static void sv_usage(void)
 479         {
 480         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 481         BIO_printf(bio_err,"\n");
 482         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 483         BIO_printf(bio_err," -context arg  - set session ID context\n");
 484         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 485         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 486         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 487         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 488         BIO_printf(bio_err," -naccept arg  - terminate after 'arg' connections\n");
 489 #ifndef OPENSSL_NO_TLSEXT
 490         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 491         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 492         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 493 #endif
 494     BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 495         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 496                            "                 The CRL(s) are appended to the certificate file\n");
 497         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 498                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 499                            "                 the certificate file.\n");
 500         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 501         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 502         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 503         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 504         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 505         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 506         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 507         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 508         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 509         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 510         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 511         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 512 #ifndef OPENSSL_NO_ECDH
 513         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 514                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 515                            "                 (default is nistp256).\n");
 516 #endif
 517 #ifdef FIONBIO
 518         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 519 #endif
 520         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 521         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 522         BIO_printf(bio_err," -debug        - Print more output\n");
 523         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 524         BIO_printf(bio_err," -state        - Print the SSL states\n");
 525         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 526         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 527         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 528         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 529         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 530         BIO_printf(bio_err," -quiet        - No server output\n");
 531         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 532 #ifndef OPENSSL_NO_PSK
 533         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 534         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 535 # ifndef OPENSSL_NO_JPAKE
 536         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 537 # endif
 538 #endif
 539 #ifndef OPENSSL_NO_SRP
 540         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 541         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 542 #endif
 543         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 544         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 545         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 546         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 547         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 548         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 549         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 550         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 551         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 552         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 553         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 554         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 555         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 556         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 557         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 558 #ifndef OPENSSL_NO_DH
 559         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 560 #endif
 561 #ifndef OPENSSL_NO_ECDH
 562         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 563 #endif
 564         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 565         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 566         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 567         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 568         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 569         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 570 #ifndef OPENSSL_NO_ENGINE
 571         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 572 #endif
 573         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 574         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 575 #ifndef OPENSSL_NO_TLSEXT
 576         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 577         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 578         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 579         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 580         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 581         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 582         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 583         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 584         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 585 # ifndef OPENSSL_NO_NEXTPROTONEG
 586         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 587 # endif
 588         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 589         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 590 #endif
 591         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 592         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 593         }
 594
 595 static int local_argc=0;
 596 static char **local_argv;
 597
 598 #ifdef CHARSET_EBCDIC
 599 static int ebcdic_new(BIO *bi);
 600 static int ebcdic_free(BIO *a);
 601 static int ebcdic_read(BIO *b, char *out, int outl);
 602 static int ebcdic_write(BIO *b, const char *in, int inl);
 603 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 604 static int ebcdic_gets(BIO *bp, char *buf, int size);
 605 static int ebcdic_puts(BIO *bp, const char *str);
 606
 607 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 608 static BIO_METHOD methods_ebcdic=
 609         {
 610         BIO_TYPE_EBCDIC_FILTER,
 611         "EBCDIC/ASCII filter",
 612         ebcdic_write,
 613         ebcdic_read,
 614         ebcdic_puts,
 615         ebcdic_gets,
 616         ebcdic_ctrl,
 617         ebcdic_new,
 618         ebcdic_free,
 619         };
 620
 621 typedef struct
 622 {
 623         size_t  alloced;
 624         char    buff[1];
 625 } EBCDIC_OUTBUFF;
 626
 627 BIO_METHOD *BIO_f_ebcdic_filter()
 628 {
 629         return(&methods_ebcdic);
 630 }
 631
 632 static int ebcdic_new(BIO *bi)
 633 {
 634         EBCDIC_OUTBUFF *wbuf;
 635
 636         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 637         wbuf->alloced = 1024;
 638         wbuf->buff[0] = '\0';
 639
 640         bi->ptr=(char *)wbuf;
 641         bi->init=1;
 642         bi->flags=0;
 643         return(1);
 644 }
 645
 646 static int ebcdic_free(BIO *a)
 647 {
 648         if (a == NULL) return(0);
 649         if (a->ptr != NULL)
 650                 OPENSSL_free(a->ptr);
 651         a->ptr=NULL;
 652         a->init=0;
 653         a->flags=0;
 654         return(1);
 655 }
 656
 657 static int ebcdic_read(BIO *b, char *out, int outl)
 658 {
 659         int ret=0;
 660
 661         if (out == NULL || outl == 0) return(0);
 662         if (b->next_bio == NULL) return(0);
 663
 664         ret=BIO_read(b->next_bio,out,outl);
 665         if (ret > 0)
 666                 ascii2ebcdic(out,out,ret);
 667         return(ret);
 668 }
 669
 670 static int ebcdic_write(BIO *b, const char *in, int inl)
 671 {
 672         EBCDIC_OUTBUFF *wbuf;
 673         int ret=0;
 674         int num;
 675         unsigned char n;
 676
 677         if ((in == NULL) || (inl <= 0)) return(0);
 678         if (b->next_bio == NULL) return(0);
 679
 680         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 681
 682         if (inl > (num = wbuf->alloced))
 683         {
 684                 num = num + num;  /* double the size */
 685                 if (num < inl)
 686                         num = inl;
 687                 OPENSSL_free(wbuf);
 688                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 689
 690                 wbuf->alloced = num;
 691                 wbuf->buff[0] = '\0';
 692
 693                 b->ptr=(char *)wbuf;
 694         }
 695
 696         ebcdic2ascii(wbuf->buff, in, inl);
 697
 698         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 699
 700         return(ret);
 701 }
 702
 703 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 704 {
 705         long ret;
 706
 707         if (b->next_bio == NULL) return(0);
 708         switch (cmd)
 709         {
 710         case BIO_CTRL_DUP:
 711                 ret=0L;
 712                 break;
 713         default:
 714                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 715                 break;
 716         }
 717         return(ret);
 718 }
 719
 720 static int ebcdic_gets(BIO *bp, char *buf, int size)
 721 {
 722         int i, ret=0;
 723         if (bp->next_bio == NULL) return(0);
 724 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 725         for (i=0; i<size-1; ++i)
 726         {
 727                 ret = ebcdic_read(bp,&buf[i],1);
 728                 if (ret <= 0)
 729                         break;
 730                 else if (buf[i] == '\n')
 731                 {
 732                         ++i;
 733                         break;
 734                 }
 735         }
 736         if (i < size)
 737                 buf[i] = '\0';
 738         return (ret < 0 && i == 0) ? ret : i;
 739 }
 740
 741 static int ebcdic_puts(BIO *bp, const char *str)
 742 {
 743         if (bp->next_bio == NULL) return(0);
 744         return ebcdic_write(bp, str, strlen(str));
 745 }
 746 #endif
 747
 748 #ifndef OPENSSL_NO_TLSEXT
 749
 750 /* This is a context that we pass to callbacks */
 751 typedef struct tlsextctx_st {
 752    char * servername;
 753    BIO * biodebug;
 754    int extension_error;
 755 } tlsextctx;
 756
 757
 758 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 759         {
 760         tlsextctx * p = (tlsextctx *) arg;
 761         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 762         if (servername && p->biodebug)
 763                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 764
 765         if (!p->servername)
 766                 return SSL_TLSEXT_ERR_NOACK;
 767
 768         if (servername)
 769                 {
 770                 if (strcmp(servername,p->servername))
 771                         return p->extension_error;
 772                 if (ctx2)
 773                         {
 774                         BIO_printf(p->biodebug,"Switching server context.\n");
 775                         SSL_set_SSL_CTX(s,ctx2);
 776                         }
 777                 }
 778         return SSL_TLSEXT_ERR_OK;
 779 }
 780
 781 /* Structure passed to cert status callback */
 782
 783 typedef struct tlsextstatusctx_st {
 784    /* Default responder to use */
 785    char *host, *path, *port;
 786    int use_ssl;
 787    int timeout;
 788    BIO *err;
 789    int verbose;
 790 } tlsextstatusctx;
 791
 792 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 793
 794 /* Certificate Status callback. This is called when a client includes a
 795  * certificate status request extension.
 796  *
 797  * This is a simplified version. It examines certificates each time and
 798  * makes one OCSP responder query for each request.
 799  *
 800  * A full version would store details such as the OCSP certificate IDs and
 801  * minimise the number of OCSP responses by caching them until they were
 802  * considered "expired".
 803  */
 804
 805 static int cert_status_cb(SSL *s, void *arg)
 806         {
 807         tlsextstatusctx *srctx = arg;
 808         BIO *err = srctx->err;
 809         char *host, *port, *path;
 810         int use_ssl;
 811         unsigned char *rspder = NULL;
 812         int rspderlen;
 813         STACK_OF(OPENSSL_STRING) *aia = NULL;
 814         X509 *x = NULL;
 815         X509_STORE_CTX inctx;
 816         X509_OBJECT obj;
 817         OCSP_REQUEST *req = NULL;
 818         OCSP_RESPONSE *resp = NULL;
 819         OCSP_CERTID *id = NULL;
 820         STACK_OF(X509_EXTENSION) *exts;
 821         int ret = SSL_TLSEXT_ERR_NOACK;
 822         int i;
 823 #if 0
 824 STACK_OF(OCSP_RESPID) *ids;
 825 SSL_get_tlsext_status_ids(s, &ids);
 826 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 827 #endif
 828         if (srctx->verbose)
 829                 BIO_puts(err, "cert_status: callback called\n");
 830         /* Build up OCSP query from server certificate */
 831         x = SSL_get_certificate(s);
 832         aia = X509_get1_ocsp(x);
 833         if (aia)
 834                 {
 835                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 836                         &host, &port, &path, &use_ssl))
 837                         {
 838                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 839                         goto err;
 840                         }
 841                 if (srctx->verbose)
 842                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 843                                         sk_OPENSSL_STRING_value(aia, 0));
 844                 }
 845         else
 846                 {
 847                 if (!srctx->host)
 848                         {
 849                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 850                         goto done;
 851                         }
 852                 host = srctx->host;
 853                 path = srctx->path;
 854                 port = srctx->port;
 855                 use_ssl = srctx->use_ssl;
 856                 }
 857
 858         if (!X509_STORE_CTX_init(&inctx,
 859                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 860                                 NULL, NULL))
 861                 goto err;
 862         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 863                                 X509_get_issuer_name(x),&obj) <= 0)
 864                 {
 865                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 866                 X509_STORE_CTX_cleanup(&inctx);
 867                 goto done;
 868                 }
 869         req = OCSP_REQUEST_new();
 870         if (!req)
 871                 goto err;
 872         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 873         X509_free(obj.data.x509);
 874         X509_STORE_CTX_cleanup(&inctx);
 875         if (!id)
 876                 goto err;
 877         if (!OCSP_request_add0_id(req, id))
 878                 goto err;
 879         id = NULL;
 880         /* Add any extensions to the request */
 881         SSL_get_tlsext_status_exts(s, &exts);
 882         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 883                 {
 884                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 885                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 886                         goto err;
 887                 }
 888         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 889                                         srctx->timeout);
 890         if (!resp)
 891                 {
 892                 BIO_puts(err, "cert_status: error querying responder\n");
 893                 goto done;
 894                 }
 895         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 896         if (rspderlen <= 0)
 897                 goto err;
 898         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 899         if (srctx->verbose)
 900                 {
 901                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 902                 OCSP_RESPONSE_print(err, resp, 2);
 903                 }
 904         ret = SSL_TLSEXT_ERR_OK;
 905         done:
 906         if (ret != SSL_TLSEXT_ERR_OK)
 907                 ERR_print_errors(err);
 908         if (aia)
 909                 {
 910                 OPENSSL_free(host);
 911                 OPENSSL_free(path);
 912                 OPENSSL_free(port);
 913                 X509_email_free(aia);
 914                 }
 915         if (id)
 916                 OCSP_CERTID_free(id);
 917         if (req)
 918                 OCSP_REQUEST_free(req);
 919         if (resp)
 920                 OCSP_RESPONSE_free(resp);
 921         return ret;
 922         err:
 923         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 924         goto done;
 925         }
 926
 927 # ifndef OPENSSL_NO_NEXTPROTONEG
 928 /* This is the context that we pass to next_proto_cb */
 929 typedef struct tlsextnextprotoctx_st {
 930         unsigned char *data;
 931         unsigned int len;
 932 } tlsextnextprotoctx;
 933
 934 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 935         {
 936         tlsextnextprotoctx *next_proto = arg;
 937
 938         *data = next_proto->data;
 939         *len = next_proto->len;
 940
 941         return SSL_TLSEXT_ERR_OK;
 942         }
 943 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 944
 945 /* This the context that we pass to alpn_cb */
 946 typedef struct tlsextalpnctx_st {
 947         unsigned char *data;
 948         unsigned short len;
 949 } tlsextalpnctx;
 950
 951 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 952         {
 953         tlsextalpnctx *alpn_ctx = arg;
 954
 955         if (!s_quiet)
 956                 {
 957                 /* We can assume that |in| is syntactically valid. */
 958                 unsigned i;
 959                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 960                 for (i = 0; i < inlen; )
 961                         {
 962                         if (i)
 963                                 BIO_write(bio_s_out, ", ", 2);
 964                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 965                         i += in[i] + 1;
 966                         }
 967                 BIO_write(bio_s_out, "\n", 1);
 968                 }
 969
 970         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 971             OPENSSL_NPN_NEGOTIATED)
 972                 {
 973                 return SSL_TLSEXT_ERR_NOACK;
 974                 }
 975
 976         if (!s_quiet)
 977                 {
 978                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
 979                 BIO_write(bio_s_out, *out, *outlen);
 980                 BIO_write(bio_s_out, "\n", 1);
 981                 }
 982
 983         return SSL_TLSEXT_ERR_OK;
 984         }
 985 #endif  /* ndef OPENSSL_NO_TLSEXT */
 986
 987 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 988         {
 989         /* disable resumption for sessions with forward secure ciphers */
 990         return is_forward_secure;
 991         }
 992
 993 int MAIN(int, char **);
 994
 995 #ifndef OPENSSL_NO_JPAKE
 996 static char *jpake_secret = NULL;
 997 #define no_jpake !jpake_secret
 998 #else
 999 #define no_jpake 1
1000 #endif
1001 #ifndef OPENSSL_NO_SRP
1002         static srpsrvparm srp_callback_parm;
1003 #endif
1004 static char *srtp_profiles = NULL;
1005
1006 int MAIN(int argc, char *argv[])
1007         {
1008         X509_VERIFY_PARAM *vpm = NULL;
1009         int badarg = 0;
1010         short port=PORT;
1011         char *CApath=NULL,*CAfile=NULL;
1012         char *chCApath=NULL,*chCAfile=NULL;
1013         char *vfyCApath=NULL,*vfyCAfile=NULL;
1014         unsigned char *context = NULL;
1015         char *dhfile = NULL;
1016         int badop=0;
1017         int ret=1;
1018         int build_chain = 0;
1019         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1020         int state=0;
1021         const SSL_METHOD *meth=NULL;
1022         int socket_type=SOCK_STREAM;
1023         ENGINE *e=NULL;
1024         char *inrand=NULL;
1025         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1026         char *passarg = NULL, *pass = NULL;
1027         char *dpassarg = NULL, *dpass = NULL;
1028         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1029         X509 *s_cert = NULL, *s_dcert = NULL;
1030         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1031         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1032         int no_cache = 0, ext_cache = 0;
1033         int rev = 0, naccept = -1;
1034         int sdebug = 0;
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                 else if (strcmp(*argv,"-auth") == 0)
1155                         {
1156                         c_auth = 1;
1157                         }
1158 #endif
1159                 else if (strcmp(*argv,"-auth_require_reneg") == 0)
1160                         {
1161                         c_auth_require_reneg = 1;
1162                         }
1163                 else if (strcmp(*argv,"-certform") == 0)
1164                         {
1165                         if (--argc < 1) goto bad;
1166                         s_cert_format = str2fmt(*(++argv));
1167                         }
1168                 else if (strcmp(*argv,"-key") == 0)
1169                         {
1170                         if (--argc < 1) goto bad;
1171                         s_key_file= *(++argv);
1172                         }
1173                 else if (strcmp(*argv,"-keyform") == 0)
1174                         {
1175                         if (--argc < 1) goto bad;
1176                         s_key_format = str2fmt(*(++argv));
1177                         }
1178                 else if (strcmp(*argv,"-pass") == 0)
1179                         {
1180                         if (--argc < 1) goto bad;
1181                         passarg = *(++argv);
1182                         }
1183                 else if (strcmp(*argv,"-cert_chain") == 0)
1184                         {
1185                         if (--argc < 1) goto bad;
1186                         s_chain_file= *(++argv);
1187                         }
1188                 else if (strcmp(*argv,"-dhparam") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         dhfile = *(++argv);
1192                         }
1193                 else if (strcmp(*argv,"-dcertform") == 0)
1194                         {
1195                         if (--argc < 1) goto bad;
1196                         s_dcert_format = str2fmt(*(++argv));
1197                         }
1198                 else if (strcmp(*argv,"-dcert") == 0)
1199                         {
1200                         if (--argc < 1) goto bad;
1201                         s_dcert_file= *(++argv);
1202                         }
1203                 else if (strcmp(*argv,"-dkeyform") == 0)
1204                         {
1205                         if (--argc < 1) goto bad;
1206                         s_dkey_format = str2fmt(*(++argv));
1207                         }
1208                 else if (strcmp(*argv,"-dpass") == 0)
1209                         {
1210                         if (--argc < 1) goto bad;
1211                         dpassarg = *(++argv);
1212                         }
1213                 else if (strcmp(*argv,"-dkey") == 0)
1214                         {
1215                         if (--argc < 1) goto bad;
1216                         s_dkey_file= *(++argv);
1217                         }
1218                 else if (strcmp(*argv,"-dcert_chain") == 0)
1219                         {
1220                         if (--argc < 1) goto bad;
1221                         s_dchain_file= *(++argv);
1222                         }
1223                 else if (strcmp(*argv,"-nocert") == 0)
1224                         {
1225                         nocert=1;
1226                         }
1227                 else if (strcmp(*argv,"-CApath") == 0)
1228                         {
1229                         if (--argc < 1) goto bad;
1230                         CApath= *(++argv);
1231                         }
1232                 else if (strcmp(*argv,"-chainCApath") == 0)
1233                         {
1234                         if (--argc < 1) goto bad;
1235                         chCApath= *(++argv);
1236                         }
1237                 else if (strcmp(*argv,"-verifyCApath") == 0)
1238                         {
1239                         if (--argc < 1) goto bad;
1240                         vfyCApath= *(++argv);
1241                         }
1242                 else if (strcmp(*argv,"-no_cache") == 0)
1243                         no_cache = 1;
1244                 else if (strcmp(*argv,"-ext_cache") == 0)
1245                         ext_cache = 1;
1246                 else if (strcmp(*argv,"-CRLform") == 0)
1247                         {
1248                         if (--argc < 1) goto bad;
1249                         crl_format = str2fmt(*(++argv));
1250                         }
1251                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1252                         {
1253                         if (badarg)
1254                                 goto bad;
1255                         continue;
1256                         }
1257                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1258                         {
1259                         if (badarg)
1260                                 goto bad;
1261                         continue;
1262                         }
1263                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1264                         {
1265                         if (badarg)
1266                                 goto bad;
1267                         continue;
1268                         }
1269                 else if (strcmp(*argv,"-verify_return_error") == 0)
1270                         verify_return_error = 1;
1271                 else if (strcmp(*argv,"-verify_quiet") == 0)
1272                         verify_quiet = 1;
1273                 else if (strcmp(*argv,"-build_chain") == 0)
1274                         build_chain = 1;
1275                 else if (strcmp(*argv,"-CAfile") == 0)
1276                         {
1277                         if (--argc < 1) goto bad;
1278                         CAfile= *(++argv);
1279                         }
1280                 else if (strcmp(*argv,"-chainCAfile") == 0)
1281                         {
1282                         if (--argc < 1) goto bad;
1283                         chCAfile= *(++argv);
1284                         }
1285                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1286                         {
1287                         if (--argc < 1) goto bad;
1288                         vfyCAfile= *(++argv);
1289                         }
1290 #ifdef FIONBIO
1291                 else if (strcmp(*argv,"-nbio") == 0)
1292                         { s_nbio=1; }
1293 #endif
1294                 else if (strcmp(*argv,"-nbio_test") == 0)
1295                         {
1296 #ifdef FIONBIO
1297                         s_nbio=1;
1298 #endif
1299                         s_nbio_test=1;
1300                         }
1301                 else if (strcmp(*argv,"-ign_eof") == 0)
1302                         s_ign_eof=1;
1303                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1304                         s_ign_eof=0;
1305                 else if (strcmp(*argv,"-debug") == 0)
1306                         { s_debug=1; }
1307 #ifndef OPENSSL_NO_TLSEXT
1308                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1309                         s_tlsextdebug=1;
1310                 else if (strcmp(*argv,"-status") == 0)
1311                         s_tlsextstatus=1;
1312                 else if (strcmp(*argv,"-status_verbose") == 0)
1313                         {
1314                         s_tlsextstatus=1;
1315                         tlscstatp.verbose = 1;
1316                         }
1317                 else if (!strcmp(*argv, "-status_timeout"))
1318                         {
1319                         s_tlsextstatus=1;
1320                         if (--argc < 1) goto bad;
1321                         tlscstatp.timeout = atoi(*(++argv));
1322                         }
1323                 else if (!strcmp(*argv, "-status_url"))
1324                         {
1325                         s_tlsextstatus=1;
1326                         if (--argc < 1) goto bad;
1327                         if (!OCSP_parse_url(*(++argv),
1328                                         &tlscstatp.host,
1329                                         &tlscstatp.port,
1330                                         &tlscstatp.path,
1331                                         &tlscstatp.use_ssl))
1332                                 {
1333                                 BIO_printf(bio_err, "Error parsing URL\n");
1334                                 goto bad;
1335                                 }
1336                         }
1337 #endif
1338                 else if (strcmp(*argv,"-msg") == 0)
1339                         { s_msg=1; }
1340                 else if (strcmp(*argv,"-msgfile") == 0)
1341                         {
1342                         if (--argc < 1) goto bad;
1343                         bio_s_msg = BIO_new_file(*(++argv), "w");
1344                         }
1345 #ifndef OPENSSL_NO_SSL_TRACE
1346                 else if (strcmp(*argv,"-trace") == 0)
1347                         { s_msg=2; }
1348 #endif
1349                 else if (strcmp(*argv,"-security_debug") == 0)
1350                         { sdebug=1; }
1351                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
1352                         { sdebug=2; }
1353                 else if (strcmp(*argv,"-hack") == 0)
1354                         { hack=1; }
1355                 else if (strcmp(*argv,"-state") == 0)
1356                         { state=1; }
1357                 else if (strcmp(*argv,"-crlf") == 0)
1358                         { s_crlf=1; }
1359                 else if (strcmp(*argv,"-quiet") == 0)
1360                         { s_quiet=1; }
1361                 else if (strcmp(*argv,"-brief") == 0)
1362                         {
1363                         s_quiet=1;
1364                         s_brief=1;
1365                         verify_quiet=1;
1366                         }
1367                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1368                         { no_tmp_rsa=1; }
1369                 else if (strcmp(*argv,"-no_dhe") == 0)
1370                         { no_dhe=1; }
1371                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1372                         { no_ecdhe=1; }
1373                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1374                         { no_resume_ephemeral = 1; }
1375 #ifndef OPENSSL_NO_PSK
1376                 else if (strcmp(*argv,"-psk_hint") == 0)
1377                         {
1378                         if (--argc < 1) goto bad;
1379                         psk_identity_hint= *(++argv);
1380                         }
1381                 else if (strcmp(*argv,"-psk") == 0)
1382                         {
1383                         size_t i;
1384
1385                         if (--argc < 1) goto bad;
1386                         psk_key=*(++argv);
1387                         for (i=0; i<strlen(psk_key); i++)
1388                                 {
1389                                 if (isxdigit((unsigned char)psk_key[i]))
1390                                         continue;
1391                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1392                                 goto bad;
1393                                 }
1394                         }
1395 #endif
1396 #ifndef OPENSSL_NO_SRP
1397                 else if (strcmp(*argv, "-srpvfile") == 0)
1398                         {
1399                         if (--argc < 1) goto bad;
1400                         srp_verifier_file = *(++argv);
1401                         meth = TLSv1_server_method();
1402                         }
1403                 else if (strcmp(*argv, "-srpuserseed") == 0)
1404                         {
1405                         if (--argc < 1) goto bad;
1406                         srpuserseed = *(++argv);
1407                         meth = TLSv1_server_method();
1408                         }
1409 #endif
1410                 else if (strcmp(*argv,"-rev") == 0)
1411                         { rev=1; }
1412                 else if (strcmp(*argv,"-www") == 0)
1413                         { www=1; }
1414                 else if (strcmp(*argv,"-WWW") == 0)
1415                         { www=2; }
1416                 else if (strcmp(*argv,"-HTTP") == 0)
1417                         { www=3; }
1418 #ifndef OPENSSL_NO_SSL2
1419                 else if (strcmp(*argv,"-ssl2") == 0)
1420                         { meth=SSLv2_server_method(); }
1421 #endif
1422 #ifndef OPENSSL_NO_SSL3
1423                 else if (strcmp(*argv,"-ssl3") == 0)
1424                         { meth=SSLv3_server_method(); }
1425 #endif
1426 #ifndef OPENSSL_NO_TLS1
1427                 else if (strcmp(*argv,"-tls1") == 0)
1428                         { meth=TLSv1_server_method(); }
1429                 else if (strcmp(*argv,"-tls1_1") == 0)
1430                         { meth=TLSv1_1_server_method(); }
1431                 else if (strcmp(*argv,"-tls1_2") == 0)
1432                         { meth=TLSv1_2_server_method(); }
1433 #endif
1434 #ifndef OPENSSL_NO_DTLS1
1435                 else if (strcmp(*argv,"-dtls") == 0)
1436                         {
1437                         meth=DTLS_server_method();
1438                         socket_type = SOCK_DGRAM;
1439                         }
1440                 else if (strcmp(*argv,"-dtls1") == 0)
1441                         {
1442                         meth=DTLSv1_server_method();
1443                         socket_type = SOCK_DGRAM;
1444                         }
1445                 else if (strcmp(*argv,"-dtls1_2") == 0)
1446                         {
1447                         meth=DTLSv1_2_server_method();
1448                         socket_type = SOCK_DGRAM;
1449                         }
1450                 else if (strcmp(*argv,"-timeout") == 0)
1451                         enable_timeouts = 1;
1452                 else if (strcmp(*argv,"-mtu") == 0)
1453                         {
1454                         if (--argc < 1) goto bad;
1455                         socket_mtu = atol(*(++argv));
1456                         }
1457                 else if (strcmp(*argv, "-chain") == 0)
1458                         cert_chain = 1;
1459 #endif
1460                 else if (strcmp(*argv, "-id_prefix") == 0)
1461                         {
1462                         if (--argc < 1) goto bad;
1463                         session_id_prefix = *(++argv);
1464                         }
1465 #ifndef OPENSSL_NO_ENGINE
1466                 else if (strcmp(*argv,"-engine") == 0)
1467                         {
1468                         if (--argc < 1) goto bad;
1469                         engine_id= *(++argv);
1470                         }
1471 #endif
1472                 else if (strcmp(*argv,"-rand") == 0)
1473                         {
1474                         if (--argc < 1) goto bad;
1475                         inrand= *(++argv);
1476                         }
1477 #ifndef OPENSSL_NO_TLSEXT
1478                 else if (strcmp(*argv,"-servername") == 0)
1479                         {
1480                         if (--argc < 1) goto bad;
1481                         tlsextcbp.servername= *(++argv);
1482                         }
1483                 else if (strcmp(*argv,"-servername_fatal") == 0)
1484                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1485                 else if (strcmp(*argv,"-cert2") == 0)
1486                         {
1487                         if (--argc < 1) goto bad;
1488                         s_cert_file2= *(++argv);
1489                         }
1490                 else if (strcmp(*argv,"-key2") == 0)
1491                         {
1492                         if (--argc < 1) goto bad;
1493                         s_key_file2= *(++argv);
1494                         }
1495 # ifndef OPENSSL_NO_NEXTPROTONEG
1496                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1497                         {
1498                         if (--argc < 1) goto bad;
1499                         next_proto_neg_in = *(++argv);
1500                         }
1501 # endif
1502                 else if (strcmp(*argv,"-alpn") == 0)
1503                         {
1504                         if (--argc < 1) goto bad;
1505                         alpn_in = *(++argv);
1506                         }
1507 #endif
1508 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1509                 else if (strcmp(*argv,"-jpake") == 0)
1510                         {
1511                         if (--argc < 1) goto bad;
1512                         jpake_secret = *(++argv);
1513                         }
1514 #endif
1515                 else if (strcmp(*argv,"-use_srtp") == 0)
1516                         {
1517                         if (--argc < 1) goto bad;
1518                         srtp_profiles = *(++argv);
1519                         }
1520                 else if (strcmp(*argv,"-keymatexport") == 0)
1521                         {
1522                         if (--argc < 1) goto bad;
1523                         keymatexportlabel= *(++argv);
1524                         }
1525                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1526                         {
1527                         if (--argc < 1) goto bad;
1528                         keymatexportlen=atoi(*(++argv));
1529                         if (keymatexportlen == 0) goto bad;
1530                         }
1531                 else
1532                         {
1533                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1534                         badop=1;
1535                         break;
1536                         }
1537                 argc--;
1538                 argv++;
1539                 }
1540         if (badop)
1541                 {
1542 bad:
1543                 sv_usage();
1544                 goto end;
1545                 }
1546
1547 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1548         if (jpake_secret)
1549                 {
1550                 if (psk_key)
1551                         {
1552                         BIO_printf(bio_err,
1553                                    "Can't use JPAKE and PSK together\n");
1554                         goto end;
1555                         }
1556                 psk_identity = "JPAKE";
1557                 }
1558 #endif
1559
1560         SSL_load_error_strings();
1561         OpenSSL_add_ssl_algorithms();
1562
1563 #ifndef OPENSSL_NO_ENGINE
1564         e = setup_engine(bio_err, engine_id, 1);
1565 #endif
1566
1567         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1568                 {
1569                 BIO_printf(bio_err, "Error getting password\n");
1570                 goto end;
1571                 }
1572
1573
1574         if (s_key_file == NULL)
1575                 s_key_file = s_cert_file;
1576 #ifndef OPENSSL_NO_TLSEXT
1577         if (s_key_file2 == NULL)
1578                 s_key_file2 = s_cert_file2;
1579 #endif
1580
1581         if (!load_excert(&exc, bio_err))
1582                 goto end;
1583
1584         if (nocert == 0)
1585                 {
1586                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1587                        "server certificate private key file");
1588                 if (!s_key)
1589                         {
1590                         ERR_print_errors(bio_err);
1591                         goto end;
1592                         }
1593
1594                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1595                         NULL, e, "server certificate file");
1596
1597                 if (!s_cert)
1598                         {
1599                         ERR_print_errors(bio_err);
1600                         goto end;
1601                         }
1602                 if (s_chain_file)
1603                         {
1604                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1605                                         NULL, e, "server certificate chain");
1606                         if (!s_chain)
1607                                 goto end;
1608                         }
1609
1610 #ifndef OPENSSL_NO_TLSEXT
1611                 if (tlsextcbp.servername)
1612                         {
1613                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1614                                 "second server certificate private key file");
1615                         if (!s_key2)
1616                                 {
1617                                 ERR_print_errors(bio_err);
1618                                 goto end;
1619                                 }
1620
1621                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1622                                 NULL, e, "second server certificate file");
1623
1624                         if (!s_cert2)
1625                                 {
1626                                 ERR_print_errors(bio_err);
1627                                 goto end;
1628                                 }
1629                         }
1630 #endif /* OPENSSL_NO_TLSEXT */
1631                 }
1632
1633 #if !defined(OPENSSL_NO_TLSEXT)
1634 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1635         if (next_proto_neg_in)
1636                 {
1637                 unsigned short len;
1638                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1639                 if (next_proto.data == NULL)
1640                         goto end;
1641                 next_proto.len = len;
1642                 }
1643         else
1644                 {
1645                 next_proto.data = NULL;
1646                 }
1647 # endif
1648         alpn_ctx.data = NULL;
1649         if (alpn_in)
1650                 {
1651                 unsigned short len;
1652                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1653                 if (alpn_ctx.data == NULL)
1654                         goto end;
1655                 alpn_ctx.len = len;
1656                 }
1657 #endif
1658
1659         if (crl_file)
1660                 {
1661                 X509_CRL *crl;
1662                 crl = load_crl(crl_file, crl_format);
1663                 if (!crl)
1664                         {
1665                         BIO_puts(bio_err, "Error loading CRL\n");
1666                         ERR_print_errors(bio_err);
1667                         goto end;
1668                         }
1669                 crls = sk_X509_CRL_new_null();
1670                 if (!crls || !sk_X509_CRL_push(crls, crl))
1671                         {
1672                         BIO_puts(bio_err, "Error adding CRL\n");
1673                         ERR_print_errors(bio_err);
1674                         X509_CRL_free(crl);
1675                         goto end;
1676                         }
1677                 }
1678
1679
1680         if (s_dcert_file)
1681                 {
1682
1683                 if (s_dkey_file == NULL)
1684                         s_dkey_file = s_dcert_file;
1685
1686                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1687                                 0, dpass, e,
1688                                "second certificate private key file");
1689                 if (!s_dkey)
1690                         {
1691                         ERR_print_errors(bio_err);
1692                         goto end;
1693                         }
1694
1695                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1696                                 NULL, e, "second server certificate file");
1697
1698                 if (!s_dcert)
1699                         {
1700                         ERR_print_errors(bio_err);
1701                         goto end;
1702                         }
1703                 if (s_dchain_file)
1704                         {
1705                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1706                                 NULL, e, "second server certificate chain");
1707                         if (!s_dchain)
1708                                 goto end;
1709                         }
1710
1711                 }
1712
1713         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1714                 && !RAND_status())
1715                 {
1716                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1717                 }
1718         if (inrand != NULL)
1719                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1720                         app_RAND_load_files(inrand));
1721
1722         if (bio_s_out == NULL)
1723                 {
1724                 if (s_quiet && !s_debug)
1725                         {
1726                         bio_s_out=BIO_new(BIO_s_null());
1727                         if (s_msg && !bio_s_msg)
1728                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1729                         }
1730                 else
1731                         {
1732                         if (bio_s_out == NULL)
1733                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1734                         }
1735                 }
1736
1737 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1738         if (nocert)
1739 #endif
1740                 {
1741                 s_cert_file=NULL;
1742                 s_key_file=NULL;
1743                 s_dcert_file=NULL;
1744                 s_dkey_file=NULL;
1745 #ifndef OPENSSL_NO_TLSEXT
1746                 s_cert_file2=NULL;
1747                 s_key_file2=NULL;
1748 #endif
1749                 }
1750
1751         ctx=SSL_CTX_new(meth);
1752         if (sdebug)
1753                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1754         if (ctx == NULL)
1755                 {
1756                 ERR_print_errors(bio_err);
1757                 goto end;
1758                 }
1759         if (session_id_prefix)
1760                 {
1761                 if(strlen(session_id_prefix) >= 32)
1762                         BIO_printf(bio_err,
1763 "warning: id_prefix is too long, only one new session will be possible\n");
1764                 else if(strlen(session_id_prefix) >= 16)
1765                         BIO_printf(bio_err,
1766 "warning: id_prefix is too long if you use SSLv2\n");
1767                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1768                         {
1769                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1770                         ERR_print_errors(bio_err);
1771                         goto end;
1772                         }
1773                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1774                 }
1775         SSL_CTX_set_quiet_shutdown(ctx,1);
1776         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1777         if (exc) ssl_ctx_set_excert(ctx, exc);
1778         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1779          * Setting read ahead solves this problem.
1780          */
1781         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1782
1783         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1784         if (no_cache)
1785                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1786         else if (ext_cache)
1787                 init_session_cache_ctx(ctx);
1788         else
1789                 SSL_CTX_sess_set_cache_size(ctx,128);
1790
1791         if (srtp_profiles != NULL)
1792                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1793
1794 #if 0
1795         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1796 #endif
1797
1798 #if 0
1799         if (s_cert_file == NULL)
1800                 {
1801                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1802                 goto end;
1803                 }
1804 #endif
1805
1806         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1807                 (!SSL_CTX_set_default_verify_paths(ctx)))
1808                 {
1809                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1810                 ERR_print_errors(bio_err);
1811                 /* goto end; */
1812                 }
1813         if (vpm)
1814                 SSL_CTX_set1_param(ctx, vpm);
1815
1816         ssl_ctx_add_crls(ctx, crls, 0);
1817         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1818                 goto end;
1819
1820         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1821                                                 crls, crl_download))
1822                 {
1823                 BIO_printf(bio_err, "Error loading store locations\n");
1824                 ERR_print_errors(bio_err);
1825                 goto end;
1826                 }
1827
1828 #ifndef OPENSSL_NO_TLSEXT
1829         if (s_cert2)
1830                 {
1831                 ctx2=SSL_CTX_new(meth);
1832                 if (ctx2 == NULL)
1833                         {
1834                         ERR_print_errors(bio_err);
1835                         goto end;
1836                         }
1837                 }
1838
1839         if (ctx2)
1840                 {
1841                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1842
1843                 if (sdebug)
1844                         ssl_ctx_security_debug(ctx, bio_err, sdebug);
1845
1846                 if (session_id_prefix)
1847                         {
1848                         if(strlen(session_id_prefix) >= 32)
1849                                 BIO_printf(bio_err,
1850                                         "warning: id_prefix is too long, only one new session will be possible\n");
1851                         else if(strlen(session_id_prefix) >= 16)
1852                                 BIO_printf(bio_err,
1853                                         "warning: id_prefix is too long if you use SSLv2\n");
1854                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1855                                 {
1856                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1857                                 ERR_print_errors(bio_err);
1858                                 goto end;
1859                                 }
1860                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1861                         }
1862                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1863                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1864                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1865                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1866                  * Setting read ahead solves this problem.
1867                  */
1868                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1869
1870                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1871
1872                 if (no_cache)
1873                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1874                 else if (ext_cache)
1875                         init_session_cache_ctx(ctx2);
1876                 else
1877                         SSL_CTX_sess_set_cache_size(ctx2,128);
1878
1879                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1880                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1881                         {
1882                         ERR_print_errors(bio_err);
1883                         }
1884                 if (vpm)
1885                         SSL_CTX_set1_param(ctx2, vpm);
1886
1887                 ssl_ctx_add_crls(ctx2, crls, 0);
1888                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1889                         goto end;
1890                 }
1891
1892 # ifndef OPENSSL_NO_NEXTPROTONEG
1893         if (next_proto.data)
1894                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1895 # endif
1896         if (alpn_ctx.data)
1897                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1898 #endif
1899
1900 #ifndef OPENSSL_NO_DH
1901         if (!no_dhe)
1902                 {
1903                 DH *dh=NULL;
1904
1905                 if (dhfile)
1906                         dh = load_dh_param(dhfile);
1907                 else if (s_cert_file)
1908                         dh = load_dh_param(s_cert_file);
1909
1910                 if (dh != NULL)
1911                         {
1912                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1913                         }
1914                 else
1915                         {
1916                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1917                         }
1918                 (void)BIO_flush(bio_s_out);
1919
1920                 if (dh == NULL)
1921                         SSL_CTX_set_dh_auto(ctx, 1);
1922                 else if (!SSL_CTX_set_tmp_dh(ctx,dh))
1923                         {
1924                         BIO_puts(bio_err, "Error setting temp DH parameters\n");
1925                         ERR_print_errors(bio_err);
1926                         DH_free(dh);
1927                         goto end;
1928                         }
1929 #ifndef OPENSSL_NO_TLSEXT
1930                 if (ctx2)
1931                         {
1932                         if (!dhfile)
1933                                 {
1934                                 DH *dh2=load_dh_param(s_cert_file2);
1935                                 if (dh2 != NULL)
1936                                         {
1937                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1938                                         (void)BIO_flush(bio_s_out);
1939
1940                                         DH_free(dh);
1941                                         dh = dh2;
1942                                         }
1943                                 }
1944                         if (dh == NULL)
1945                                 SSL_CTX_set_dh_auto(ctx2, 1);
1946                         else if (!SSL_CTX_set_tmp_dh(ctx2,dh))
1947                                 {
1948                                 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1949                                 ERR_print_errors(bio_err);
1950                                 DH_free(dh);
1951                                 goto end;
1952                                 }
1953                         }
1954 #endif
1955                 DH_free(dh);
1956                 }
1957 #endif
1958
1959         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1960                 goto end;
1961 #ifndef OPENSSL_NO_TLSEXT
1962         if (s_serverinfo_file != NULL
1963             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1964                 {
1965                 ERR_print_errors(bio_err);
1966                 goto end;
1967                 }
1968         if (c_auth)
1969                 {
1970                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1971                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1972                 SSL_CTX_set_srv_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, auth_suppdata_generate_cb, suppdata_cb, bio_err);
1973                 }
1974 #endif
1975 #ifndef OPENSSL_NO_TLSEXT
1976         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1977                 goto end;
1978 #endif
1979         if (s_dcert != NULL)
1980                 {
1981                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1982                         goto end;
1983                 }
1984
1985 #ifndef OPENSSL_NO_RSA
1986 #if 1
1987         if (!no_tmp_rsa)
1988                 {
1989                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1990 #ifndef OPENSSL_NO_TLSEXT
1991                 if (ctx2)
1992                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1993 #endif
1994                 }
1995 #else
1996         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1997                 {
1998                 RSA *rsa;
1999
2000                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
2001                 BIO_flush(bio_s_out);
2002
2003                 rsa=RSA_generate_key(512,RSA_F4,NULL);
2004
2005                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
2006                         {
2007                         ERR_print_errors(bio_err);
2008                         goto end;
2009                         }
2010 #ifndef OPENSSL_NO_TLSEXT
2011                         if (ctx2)
2012                                 {
2013                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
2014                                         {
2015                                         ERR_print_errors(bio_err);
2016                                         goto end;
2017                                         }
2018                                 }
2019 #endif
2020                 RSA_free(rsa);
2021                 BIO_printf(bio_s_out,"\n");
2022                 }
2023 #endif
2024 #endif
2025
2026         if (no_resume_ephemeral)
2027                 {
2028                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
2029 #ifndef OPENSSL_NO_TLSEXT
2030                 if (ctx2)
2031                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
2032 #endif
2033                 }
2034
2035 #ifndef OPENSSL_NO_PSK
2036 #ifdef OPENSSL_NO_JPAKE
2037         if (psk_key != NULL)
2038 #else
2039         if (psk_key != NULL || jpake_secret)
2040 #endif
2041                 {
2042                 if (s_debug)
2043                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2044                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2045                 }
2046
2047         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2048                 {
2049                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2050                 ERR_print_errors(bio_err);
2051                 goto end;
2052                 }
2053 #endif
2054
2055         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2056         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2057                 sizeof s_server_session_id_context);
2058
2059         /* Set DTLS cookie generation and verification callbacks */
2060         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2061         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2062
2063 #ifndef OPENSSL_NO_TLSEXT
2064         if (ctx2)
2065                 {
2066                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2067                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2068                         sizeof s_server_session_id_context);
2069
2070                 tlsextcbp.biodebug = bio_s_out;
2071                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2072                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2073                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2074                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2075                 }
2076 #endif
2077
2078 #ifndef OPENSSL_NO_SRP
2079         if (srp_verifier_file != NULL)
2080                 {
2081                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2082                 srp_callback_parm.user = NULL;
2083                 srp_callback_parm.login = NULL;
2084                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2085                         {
2086                         BIO_printf(bio_err,
2087                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2088                                    srp_verifier_file, ret);
2089                                 goto end;
2090                         }
2091                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2092                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2093                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2094                 }
2095         else
2096 #endif
2097         if (CAfile != NULL)
2098                 {
2099                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2100 #ifndef OPENSSL_NO_TLSEXT
2101                 if (ctx2)
2102                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2103 #endif
2104                 }
2105
2106         BIO_printf(bio_s_out,"ACCEPT\n");
2107         (void)BIO_flush(bio_s_out);
2108         if (rev)
2109                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2110         else if (www)
2111                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2112         else
2113                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2114         print_stats(bio_s_out,ctx);
2115         ret=0;
2116 end:
2117         if (ctx != NULL) SSL_CTX_free(ctx);
2118         if (s_cert)
2119                 X509_free(s_cert);
2120         if (crls)
2121                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2122         if (s_dcert)
2123                 X509_free(s_dcert);
2124         if (s_key)
2125                 EVP_PKEY_free(s_key);
2126         if (s_dkey)
2127                 EVP_PKEY_free(s_dkey);
2128         if (s_chain)
2129                 sk_X509_pop_free(s_chain, X509_free);
2130         if (s_dchain)
2131                 sk_X509_pop_free(s_dchain, X509_free);
2132         if (pass)
2133                 OPENSSL_free(pass);
2134         if (dpass)
2135                 OPENSSL_free(dpass);
2136         if (vpm)
2137                 X509_VERIFY_PARAM_free(vpm);
2138         free_sessions();
2139 #ifndef OPENSSL_NO_TLSEXT
2140         if (tlscstatp.host)
2141                 OPENSSL_free(tlscstatp.host);
2142         if (tlscstatp.port)
2143                 OPENSSL_free(tlscstatp.port);
2144         if (tlscstatp.path)
2145                 OPENSSL_free(tlscstatp.path);
2146         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2147         if (s_cert2)
2148                 X509_free(s_cert2);
2149         if (s_key2)
2150                 EVP_PKEY_free(s_key2);
2151         if (serverinfo_in != NULL)
2152                 BIO_free(serverinfo_in);
2153 # ifndef OPENSSL_NO_NEXTPROTONEG
2154         if (next_proto.data)
2155                 OPENSSL_free(next_proto.data);
2156 # endif
2157         if (alpn_ctx.data)
2158                 OPENSSL_free(alpn_ctx.data);
2159 #endif
2160         ssl_excert_free(exc);
2161         if (ssl_args)
2162                 sk_OPENSSL_STRING_free(ssl_args);
2163         if (cctx)
2164                 SSL_CONF_CTX_free(cctx);
2165 #ifndef OPENSSL_NO_JPAKE
2166         if (jpake_secret && psk_key)
2167                 OPENSSL_free(psk_key);
2168 #endif
2169         if (bio_s_out != NULL)
2170                 {
2171                 BIO_free(bio_s_out);
2172                 bio_s_out=NULL;
2173                 }
2174         if (bio_s_msg != NULL)
2175                 {
2176                 BIO_free(bio_s_msg);
2177                 bio_s_msg = NULL;
2178                 }
2179         apps_shutdown();
2180         OPENSSL_EXIT(ret);
2181         }
2182
2183 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2184         {
2185         BIO_printf(bio,"%4ld items in the session cache\n",
2186                 SSL_CTX_sess_number(ssl_ctx));
2187         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2188                 SSL_CTX_sess_connect(ssl_ctx));
2189         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2190                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2191         BIO_printf(bio,"%4ld client connects that finished\n",
2192                 SSL_CTX_sess_connect_good(ssl_ctx));
2193         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2194                 SSL_CTX_sess_accept(ssl_ctx));
2195         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2196                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2197         BIO_printf(bio,"%4ld server accepts that finished\n",
2198                 SSL_CTX_sess_accept_good(ssl_ctx));
2199         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2200         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2201         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2202         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2203         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2204                 SSL_CTX_sess_cache_full(ssl_ctx),
2205                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2206         }
2207
2208 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2209         {
2210         char *buf=NULL;
2211         fd_set readfds;
2212         int ret=1,width;
2213         int k,i;
2214         unsigned long l;
2215         SSL *con=NULL;
2216         BIO *sbio;
2217 #ifndef OPENSSL_NO_KRB5
2218         KSSL_CTX *kctx;
2219 #endif
2220         struct timeval timeout;
2221 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2222         struct timeval tv;
2223 #else
2224         struct timeval *timeoutp;
2225 #endif
2226
2227         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2228                 {
2229                 BIO_printf(bio_err,"out of memory\n");
2230                 goto err;
2231                 }
2232 #ifdef FIONBIO
2233         if (s_nbio)
2234                 {
2235                 unsigned long sl=1;
2236
2237                 if (!s_quiet)
2238                         BIO_printf(bio_err,"turning on non blocking io\n");
2239                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2240                         ERR_print_errors(bio_err);
2241                 }
2242 #endif
2243
2244         if (con == NULL) {
2245                 con=SSL_new(ctx);
2246 #ifndef OPENSSL_NO_TLSEXT
2247         if (s_tlsextdebug)
2248                 {
2249                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2250                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2251                 }
2252         if (s_tlsextstatus)
2253                 {
2254                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2255                 tlscstatp.err = bio_err;
2256                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2257                 }
2258 #endif
2259 #ifndef OPENSSL_NO_KRB5
2260                 if ((kctx = kssl_ctx_new()) != NULL)
2261                         {
2262                         SSL_set0_kssl_ctx(con, kctx);
2263                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2264                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2265                         }
2266 #endif  /* OPENSSL_NO_KRB5 */
2267                 if(context)
2268                       SSL_set_session_id_context(con, context,
2269                                                  strlen((char *)context));
2270         }
2271         SSL_clear(con);
2272 #if 0
2273 #ifdef TLSEXT_TYPE_opaque_prf_input
2274         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2275 #endif
2276 #endif
2277
2278         if (stype == SOCK_DGRAM)
2279                 {
2280
2281                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2282
2283                 if (enable_timeouts)
2284                         {
2285                         timeout.tv_sec = 0;
2286                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2287                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2288
2289                         timeout.tv_sec = 0;
2290                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2291                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2292                         }
2293
2294                 if (socket_mtu > 28)
2295                         {
2296                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2297                         SSL_set_mtu(con, socket_mtu - 28);
2298                         }
2299                 else
2300                         /* want to do MTU discovery */
2301                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2302
2303         /* turn on cookie exchange */
2304         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2305                 }
2306         else
2307                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2308
2309         if (s_nbio_test)
2310                 {
2311                 BIO *test;
2312
2313                 test=BIO_new(BIO_f_nbio_test());
2314                 sbio=BIO_push(test,sbio);
2315                 }
2316 #ifndef OPENSSL_NO_JPAKE
2317         if(jpake_secret)
2318                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2319 #endif
2320
2321         SSL_set_bio(con,sbio,sbio);
2322         SSL_set_accept_state(con);
2323         /* SSL_set_fd(con,s); */
2324
2325         if (s_debug)
2326                 {
2327                 SSL_set_debug(con, 1);
2328                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2329                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2330                 }
2331         if (s_msg)
2332                 {
2333 #ifndef OPENSSL_NO_SSL_TRACE
2334                 if (s_msg == 2)
2335                         SSL_set_msg_callback(con, SSL_trace);
2336                 else
2337 #endif
2338                         SSL_set_msg_callback(con, msg_cb);
2339                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2340                 }
2341 #ifndef OPENSSL_NO_TLSEXT
2342         if (s_tlsextdebug)
2343                 {
2344                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2345                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2346                 }
2347 #endif
2348
2349         width=s+1;
2350         for (;;)
2351                 {
2352                 int read_from_terminal;
2353                 int read_from_sslcon;
2354
2355                 read_from_terminal = 0;
2356                 read_from_sslcon = SSL_pending(con);
2357
2358                 if (!read_from_sslcon)
2359                         {
2360                         FD_ZERO(&readfds);
2361 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2362                         openssl_fdset(fileno(stdin),&readfds);
2363 #endif
2364                         openssl_fdset(s,&readfds);
2365                         /* Note: under VMS with SOCKETSHR the second parameter is
2366                          * currently of type (int *) whereas under other systems
2367                          * it is (void *) if you don't have a cast it will choke
2368                          * the compiler: if you do have a cast then you can either
2369                          * go for (int *) or (void *).
2370                          */
2371 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2372                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2373                          * on sockets. As a workaround we timeout the select every
2374                          * second and check for any keypress. In a proper Windows
2375                          * application we wouldn't do this because it is inefficient.
2376                          */
2377                         tv.tv_sec = 1;
2378                         tv.tv_usec = 0;
2379                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2380                         if((i < 0) || (!i && !_kbhit() ) )continue;
2381                         if(_kbhit())
2382                                 read_from_terminal = 1;
2383 #elif defined(OPENSSL_SYS_BEOS_R5)
2384                         /* Under BeOS-R5 the situation is similar to DOS */
2385                         tv.tv_sec = 1;
2386                         tv.tv_usec = 0;
2387                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2388                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2389                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2390                                 continue;
2391                         if (read(fileno(stdin), buf, 0) >= 0)
2392                                 read_from_terminal = 1;
2393                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2394 #else
2395                         if ((SSL_version(con) == DTLS1_VERSION) &&
2396                                 DTLSv1_get_timeout(con, &timeout))
2397                                 timeoutp = &timeout;
2398                         else
2399                                 timeoutp = NULL;
2400
2401                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2402
2403                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2404                                 {
2405                                 BIO_printf(bio_err,"TIMEOUT occurred\n");
2406                                 }
2407
2408                         if (i <= 0) continue;
2409                         if (FD_ISSET(fileno(stdin),&readfds))
2410                                 read_from_terminal = 1;
2411 #endif
2412                         if (FD_ISSET(s,&readfds))
2413                                 read_from_sslcon = 1;
2414                         }
2415                 if (read_from_terminal)
2416                         {
2417                         if (s_crlf)
2418                                 {
2419                                 int j, lf_num;
2420
2421                                 i=raw_read_stdin(buf, bufsize/2);
2422                                 lf_num = 0;
2423                                 /* both loops are skipped when i <= 0 */
2424                                 for (j = 0; j < i; j++)
2425                                         if (buf[j] == '\n')
2426                                                 lf_num++;
2427                                 for (j = i-1; j >= 0; j--)
2428                                         {
2429                                         buf[j+lf_num] = buf[j];
2430                                         if (buf[j] == '\n')
2431                                                 {
2432                                                 lf_num--;
2433                                                 i++;
2434                                                 buf[j+lf_num] = '\r';
2435                                                 }
2436                                         }
2437                                 assert(lf_num == 0);
2438                                 }
2439                         else
2440                                 i=raw_read_stdin(buf,bufsize);
2441                         if (!s_quiet && !s_brief)
2442                                 {
2443                                 if ((i <= 0) || (buf[0] == 'Q'))
2444                                         {
2445                                         BIO_printf(bio_s_out,"DONE\n");
2446                                         SHUTDOWN(s);
2447                                         close_accept_socket();
2448                                         ret= -11;
2449                                         goto err;
2450                                         }
2451                                 if ((i <= 0) || (buf[0] == 'q'))
2452                                         {
2453                                         BIO_printf(bio_s_out,"DONE\n");
2454                                         if (SSL_version(con) != DTLS1_VERSION)
2455                         SHUTDOWN(s);
2456         /*                              close_accept_socket();
2457                                         ret= -11;*/
2458                                         goto err;
2459                                         }
2460
2461 #ifndef OPENSSL_NO_HEARTBEATS
2462                                 if ((buf[0] == 'B') &&
2463                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2464                                         {
2465                                         BIO_printf(bio_err,"HEARTBEATING\n");
2466                                         SSL_heartbeat(con);
2467                                         i=0;
2468                                         continue;
2469                                         }
2470 #endif
2471                                 if ((buf[0] == 'r') &&
2472                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2473                                         {
2474                                         SSL_renegotiate(con);
2475                                         i=SSL_do_handshake(con);
2476                                         printf("SSL_do_handshake -> %d\n",i);
2477                                         i=0; /*13; */
2478                                         continue;
2479                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2480                                         }
2481                                 if ((buf[0] == 'R') &&
2482                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2483                                         {
2484                                         SSL_set_verify(con,
2485                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2486                                         SSL_renegotiate(con);
2487                                         i=SSL_do_handshake(con);
2488                                         printf("SSL_do_handshake -> %d\n",i);
2489                                         i=0; /* 13; */
2490                                         continue;
2491                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2492                                         }
2493                                 if (buf[0] == 'P')
2494                                         {
2495                                         static const char *str="Lets print some clear text\n";
2496                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2497                                         }
2498                                 if (buf[0] == 'S')
2499                                         {
2500                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2501                                         }
2502                                 }
2503 #ifdef CHARSET_EBCDIC
2504                         ebcdic2ascii(buf,buf,i);
2505 #endif
2506                         l=k=0;
2507                         for (;;)
2508                                 {
2509                                 /* should do a select for the write */
2510 #ifdef RENEG
2511 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2512 #endif
2513                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2514 #ifndef OPENSSL_NO_SRP
2515                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2516                                         {
2517                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2518                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2519                                         if (srp_callback_parm.user)
2520                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2521                                         else
2522                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2523                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2524                                         }
2525 #endif
2526                                 switch (SSL_get_error(con,k))
2527                                         {
2528                                 case SSL_ERROR_NONE:
2529                                         break;
2530                                 case SSL_ERROR_WANT_WRITE:
2531                                 case SSL_ERROR_WANT_READ:
2532                                 case SSL_ERROR_WANT_X509_LOOKUP:
2533                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2534                                         break;
2535                                 case SSL_ERROR_SYSCALL:
2536                                 case SSL_ERROR_SSL:
2537                                         BIO_printf(bio_s_out,"ERROR\n");
2538                                         ERR_print_errors(bio_err);
2539                                         ret=1;
2540                                         goto err;
2541                                         /* break; */
2542                                 case SSL_ERROR_ZERO_RETURN:
2543                                         BIO_printf(bio_s_out,"DONE\n");
2544                                         ret=1;
2545                                         goto err;
2546                                         }
2547                                 l+=k;
2548                                 i-=k;
2549                                 if (i <= 0) break;
2550                                 }
2551                         }
2552                 if (read_from_sslcon)
2553                         {
2554                         if (!SSL_is_init_finished(con))
2555                                 {
2556                                 i=init_ssl_connection(con);
2557
2558                                 if (i < 0)
2559                                         {
2560                                         ret=0;
2561                                         goto err;
2562                                         }
2563                                 else if (i == 0)
2564                                         {
2565                                         ret=1;
2566                                         goto err;
2567                                         }
2568                                 }
2569                         else
2570                                 {
2571 again:
2572                                 i=SSL_read(con,(char *)buf,bufsize);
2573 #ifndef OPENSSL_NO_SRP
2574                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2575                                         {
2576                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2577                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2578                                         if (srp_callback_parm.user)
2579                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2580                                         else
2581                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2582                                         i=SSL_read(con,(char *)buf,bufsize);
2583                                         }
2584 #endif
2585                                 switch (SSL_get_error(con,i))
2586                                         {
2587                                 case SSL_ERROR_NONE:
2588 #ifdef CHARSET_EBCDIC
2589                                         ascii2ebcdic(buf,buf,i);
2590 #endif
2591                                         raw_write_stdout(buf,
2592                                                 (unsigned int)i);
2593                                         if (SSL_pending(con)) goto again;
2594                                         break;
2595                                 case SSL_ERROR_WANT_WRITE:
2596                                 case SSL_ERROR_WANT_READ:
2597                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2598                                         break;
2599                                 case SSL_ERROR_SYSCALL:
2600                                 case SSL_ERROR_SSL:
2601                                         BIO_printf(bio_s_out,"ERROR\n");
2602                                         ERR_print_errors(bio_err);
2603                                         ret=1;
2604                                         goto err;
2605                                 case SSL_ERROR_ZERO_RETURN:
2606                                         BIO_printf(bio_s_out,"DONE\n");
2607                                         ret=1;
2608                                         goto err;
2609                                         }
2610                                 }
2611                         }
2612                 }
2613 err:
2614         if (con != NULL)
2615                 {
2616                 BIO_printf(bio_s_out,"shutting down SSL\n");
2617 #if 1
2618                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2619 #else
2620                 SSL_shutdown(con);
2621 #endif
2622                 SSL_free(con);
2623                 }
2624         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2625         if (buf != NULL)
2626                 {
2627                 OPENSSL_cleanse(buf,bufsize);
2628                 OPENSSL_free(buf);
2629                 }
2630         if (ret >= 0)
2631                 BIO_printf(bio_s_out,"ACCEPT\n");
2632         return(ret);
2633         }
2634
2635 static void close_accept_socket(void)
2636         {
2637         BIO_printf(bio_err,"shutdown accept socket\n");
2638         if (accept_socket >= 0)
2639                 {
2640                 SHUTDOWN2(accept_socket);
2641                 }
2642         }
2643
2644 static int init_ssl_connection(SSL *con)
2645         {
2646         int i;
2647         const char *str;
2648         X509 *peer;
2649         long verify_error;
2650         MS_STATIC char buf[BUFSIZ];
2651 #ifndef OPENSSL_NO_KRB5
2652         char *client_princ;
2653 #endif
2654 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2655         const unsigned char *next_proto_neg;
2656         unsigned next_proto_neg_len;
2657 #endif
2658         unsigned char *exportedkeymat;
2659
2660
2661         i=SSL_accept(con);
2662 #ifdef CERT_CB_TEST_RETRY
2663         {
2664         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2665                 {
2666                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2667                 i=SSL_accept(con);
2668                 }
2669         }
2670 #endif
2671 #ifndef OPENSSL_NO_SRP
2672         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2673                 {
2674                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2675                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2676                         if (srp_callback_parm.user)
2677                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2678                         else
2679                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2680                         i=SSL_accept(con);
2681                 }
2682 #endif
2683         /*handshake is complete - free the generated supp data allocated in the callback */
2684         if (generated_supp_data)
2685                 {
2686         OPENSSL_free(generated_supp_data);
2687                 generated_supp_data = NULL;
2688                 }
2689
2690         if (i <= 0)
2691                 {
2692                 if (BIO_sock_should_retry(i))
2693                         {
2694                         BIO_printf(bio_s_out,"DELAY\n");
2695                         return(1);
2696                         }
2697
2698                 BIO_printf(bio_err,"ERROR\n");
2699                 verify_error=SSL_get_verify_result(con);
2700                 if (verify_error != X509_V_OK)
2701                         {
2702                         BIO_printf(bio_err,"verify error:%s\n",
2703                                 X509_verify_cert_error_string(verify_error));
2704                         }
2705                 /* Always print any error messages */
2706                 ERR_print_errors(bio_err);
2707                 return(0);
2708                 }
2709
2710         if (s_brief)
2711                 print_ssl_summary(bio_err, con);
2712
2713         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2714
2715         peer=SSL_get_peer_certificate(con);
2716         if (peer != NULL)
2717                 {
2718                 BIO_printf(bio_s_out,"Client certificate\n");
2719                 PEM_write_bio_X509(bio_s_out,peer);
2720                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2721                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2722                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2723                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2724                 X509_free(peer);
2725                 }
2726
2727         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2728                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2729         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2730         ssl_print_sigalgs(bio_s_out, con);
2731 #ifndef OPENSSL_NO_EC
2732         ssl_print_point_formats(bio_s_out, con);
2733         ssl_print_curves(bio_s_out, con, 0);
2734 #endif
2735         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2736
2737 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2738         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2739         if (next_proto_neg)
2740                 {
2741                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2742                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2743                 BIO_printf(bio_s_out, "\n");
2744                 }
2745 #endif
2746         {
2747         SRTP_PROTECTION_PROFILE *srtp_profile
2748           = SSL_get_selected_srtp_profile(con);
2749
2750         if(srtp_profile)
2751                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2752                            srtp_profile->name);
2753         }
2754         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2755         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2756                 TLS1_FLAGS_TLS_PADDING_BUG)
2757                 BIO_printf(bio_s_out,
2758                            "Peer has incorrect TLSv1 block padding\n");
2759 #ifndef OPENSSL_NO_KRB5
2760         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2761         if (client_princ != NULL)
2762                 {
2763                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2764                                                                 client_princ);
2765                 }
2766 #endif /* OPENSSL_NO_KRB5 */
2767         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2768                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2769         if (keymatexportlabel != NULL)
2770                 {
2771                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2772                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2773                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2774                            keymatexportlen);
2775                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2776                 if (exportedkeymat != NULL)
2777                         {
2778                         if (!SSL_export_keying_material(con, exportedkeymat,
2779                                                         keymatexportlen,
2780                                                         keymatexportlabel,
2781                                                         strlen(keymatexportlabel),
2782                                                         NULL, 0, 0))
2783                                 {
2784                                 BIO_printf(bio_s_out, "    Error\n");
2785                                 }
2786                         else
2787                                 {
2788                                 BIO_printf(bio_s_out, "    Keying material: ");
2789                                 for (i=0; i<keymatexportlen; i++)
2790                                         BIO_printf(bio_s_out, "%02X",
2791                                                    exportedkeymat[i]);
2792                                 BIO_printf(bio_s_out, "\n");
2793                                 }
2794                         OPENSSL_free(exportedkeymat);
2795                         }
2796                 }
2797
2798         return(1);
2799         }
2800
2801 #ifndef OPENSSL_NO_DH
2802 static DH *load_dh_param(const char *dhfile)
2803         {
2804         DH *ret=NULL;
2805         BIO *bio;
2806
2807         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2808                 goto err;
2809         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2810 err:
2811         if (bio != NULL) BIO_free(bio);
2812         return(ret);
2813         }
2814 #endif
2815
2816 #if 0
2817 static int load_CA(SSL_CTX *ctx, char *file)
2818         {
2819         FILE *in;
2820         X509 *x=NULL;
2821
2822         if ((in=fopen(file,"r")) == NULL)
2823                 return(0);
2824
2825         for (;;)
2826                 {
2827                 if (PEM_read_X509(in,&x,NULL) == NULL)
2828                         break;
2829                 SSL_CTX_add_client_CA(ctx,x);
2830                 }
2831         if (x != NULL) X509_free(x);
2832         fclose(in);
2833         return(1);
2834         }
2835 #endif
2836
2837 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2838         {
2839         char *buf=NULL;
2840         int ret=1;
2841         int i,j,k,dot;
2842         SSL *con;
2843         const SSL_CIPHER *c;
2844         BIO *io,*ssl_bio,*sbio;
2845 #ifndef OPENSSL_NO_KRB5
2846         KSSL_CTX *kctx;
2847 #endif
2848
2849         buf=OPENSSL_malloc(bufsize);
2850         if (buf == NULL) return(0);
2851         io=BIO_new(BIO_f_buffer());
2852         ssl_bio=BIO_new(BIO_f_ssl());
2853         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2854
2855 #ifdef FIONBIO
2856         if (s_nbio)
2857                 {
2858                 unsigned long sl=1;
2859
2860                 if (!s_quiet)
2861                         BIO_printf(bio_err,"turning on non blocking io\n");
2862                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2863                         ERR_print_errors(bio_err);
2864                 }
2865 #endif
2866
2867         /* lets make the output buffer a reasonable size */
2868         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2869
2870         if ((con=SSL_new(ctx)) == NULL) goto err;
2871 #ifndef OPENSSL_NO_TLSEXT
2872                 if (s_tlsextdebug)
2873                         {
2874                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2875                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2876                         }
2877 #endif
2878 #ifndef OPENSSL_NO_KRB5
2879         if ((kctx = kssl_ctx_new()) != NULL)
2880                 {
2881                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2882                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2883                 }
2884 #endif  /* OPENSSL_NO_KRB5 */
2885         if(context) SSL_set_session_id_context(con, context,
2886                                                strlen((char *)context));
2887
2888         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2889         if (s_nbio_test)
2890                 {
2891                 BIO *test;
2892
2893                 test=BIO_new(BIO_f_nbio_test());
2894                 sbio=BIO_push(test,sbio);
2895                 }
2896         SSL_set_bio(con,sbio,sbio);
2897         SSL_set_accept_state(con);
2898
2899         /* SSL_set_fd(con,s); */
2900         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2901         BIO_push(io,ssl_bio);
2902 #ifdef CHARSET_EBCDIC
2903         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2904 #endif
2905
2906         if (s_debug)
2907                 {
2908                 SSL_set_debug(con, 1);
2909                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2910                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2911                 }
2912         if (s_msg)
2913                 {
2914 #ifndef OPENSSL_NO_SSL_TRACE
2915                 if (s_msg == 2)
2916                         SSL_set_msg_callback(con, SSL_trace);
2917                 else
2918 #endif
2919                         SSL_set_msg_callback(con, msg_cb);
2920                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2921                 }
2922
2923         for (;;)
2924                 {
2925                 if (hack)
2926                         {
2927                         i=SSL_accept(con);
2928 #ifndef OPENSSL_NO_SRP
2929                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2930                 {
2931                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2932                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2933                         if (srp_callback_parm.user)
2934                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2935                         else
2936                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2937                         i=SSL_accept(con);
2938                 }
2939 #endif
2940                         switch (SSL_get_error(con,i))
2941                                 {
2942                         case SSL_ERROR_NONE:
2943                                 break;
2944                         case SSL_ERROR_WANT_WRITE:
2945                         case SSL_ERROR_WANT_READ:
2946                         case SSL_ERROR_WANT_X509_LOOKUP:
2947                                 continue;
2948                         case SSL_ERROR_SYSCALL:
2949                         case SSL_ERROR_SSL:
2950                         case SSL_ERROR_ZERO_RETURN:
2951                                 ret=1;
2952                                 goto err;
2953                                 /* break; */
2954                                 }
2955
2956                         SSL_renegotiate(con);
2957                         SSL_write(con,NULL,0);
2958                         }
2959
2960                 i=BIO_gets(io,buf,bufsize-1);
2961                 if (i < 0) /* error */
2962                         {
2963                         if (!BIO_should_retry(io))
2964                                 {
2965                                 if (!s_quiet)
2966                                         ERR_print_errors(bio_err);
2967                                 goto err;
2968                                 }
2969                         else
2970                                 {
2971                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2972 #if defined(OPENSSL_SYS_NETWARE)
2973             delay(1000);
2974 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2975                                 sleep(1);
2976 #endif
2977                                 continue;
2978                                 }
2979                         }
2980                 else if (i == 0) /* end of input */
2981                         {
2982                         ret=1;
2983                         goto end;
2984                         }
2985
2986                 /* else we have data */
2987                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2988                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2989                         {
2990                         char *p;
2991                         X509 *peer;
2992                         STACK_OF(SSL_CIPHER) *sk;
2993                         static const char *space="                          ";
2994
2995                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2996                         {
2997                         if (strncmp("GET /renegcert", buf, 14) == 0)
2998                                 SSL_set_verify(con,
2999                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
3000                         i=SSL_renegotiate(con);
3001                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
3002                         i=SSL_do_handshake(con);
3003                         if (i <= 0)
3004                                 {
3005                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3006                                 ERR_print_errors(bio_err);
3007                                 goto err;
3008                                 }
3009                         /* EVIL HACK! */
3010                         SSL_set_state(con, SSL_ST_ACCEPT);
3011                         i=SSL_do_handshake(con);
3012                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
3013                         if (i <= 0)
3014                                 {
3015                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3016                                 ERR_print_errors(bio_err);
3017                                 goto err;
3018                                 }
3019                         }
3020
3021                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3022                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3023                         BIO_puts(io,"<pre>\n");
3024 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
3025                         BIO_puts(io,"\n");
3026                         for (i=0; i<local_argc; i++)
3027                                 {
3028                                 BIO_puts(io,local_argv[i]);
3029                                 BIO_write(io," ",1);
3030                                 }
3031                         BIO_puts(io,"\n");
3032
3033                         BIO_printf(io,
3034                                 "Secure Renegotiation IS%s supported\n",
3035                                 SSL_get_secure_renegotiation_support(con) ?
3036                                                         "" : " NOT");
3037
3038                         /* The following is evil and should not really
3039                          * be done */
3040                         BIO_printf(io,"Ciphers supported in s_server binary\n");
3041                         sk=SSL_get_ciphers(con);
3042                         j=sk_SSL_CIPHER_num(sk);
3043                         for (i=0; i<j; i++)
3044                                 {
3045                                 c=sk_SSL_CIPHER_value(sk,i);
3046                                 BIO_printf(io,"%-11s:%-25s",
3047                                         SSL_CIPHER_get_version(c),
3048                                         SSL_CIPHER_get_name(c));
3049                                 if ((((i+1)%2) == 0) && (i+1 != j))
3050                                         BIO_puts(io,"\n");
3051                                 }
3052                         BIO_puts(io,"\n");
3053                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3054                         if (p != NULL)
3055                                 {
3056                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3057                                 j=i=0;
3058                                 while (*p)
3059                                         {
3060                                         if (*p == ':')
3061                                                 {
3062                                                 BIO_write(io,space,26-j);
3063                                                 i++;
3064                                                 j=0;
3065                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3066                                                 }
3067                                         else
3068                                                 {
3069                                                 BIO_write(io,p,1);
3070                                                 j++;
3071                                                 }
3072                                         p++;
3073                                         }
3074                                 BIO_puts(io,"\n");
3075                                 }
3076                         ssl_print_sigalgs(io, con);
3077 #ifndef OPENSSL_NO_EC
3078                         ssl_print_curves(io, con, 0);
3079 #endif
3080                         BIO_printf(io,(SSL_cache_hit(con)
3081                                 ?"---\nReused, "
3082                                 :"---\nNew, "));
3083                         c=SSL_get_current_cipher(con);
3084                         BIO_printf(io,"%s, Cipher is %s\n",
3085                                 SSL_CIPHER_get_version(c),
3086                                 SSL_CIPHER_get_name(c));
3087                         SSL_SESSION_print(io,SSL_get_session(con));
3088                         BIO_printf(io,"---\n");
3089                         print_stats(io,SSL_get_SSL_CTX(con));
3090                         BIO_printf(io,"---\n");
3091                         peer=SSL_get_peer_certificate(con);
3092                         if (peer != NULL)
3093                                 {
3094                                 BIO_printf(io,"Client certificate\n");
3095                                 X509_print(io,peer);
3096                                 PEM_write_bio_X509(io,peer);
3097                                 }
3098                         else
3099                                 BIO_puts(io,"no client certificate available\n");
3100                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3101                         break;
3102                         }
3103                 else if ((www == 2 || www == 3)
3104                          && (strncmp("GET /",buf,5) == 0))
3105                         {
3106                         BIO *file;
3107                         char *p,*e;
3108                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3109
3110                         /* skip the '/' */
3111                         p= &(buf[5]);
3112
3113                         dot = 1;
3114                         for (e=p; *e != '\0'; e++)
3115                                 {
3116                                 if (e[0] == ' ')
3117                                         break;
3118
3119                                 switch (dot)
3120                                         {
3121                                 case 1:
3122                                         dot = (e[0] == '.') ? 2 : 0;
3123                                         break;
3124                                 case 2:
3125                                         dot = (e[0] == '.') ? 3 : 0;
3126                                         break;
3127                                 case 3:
3128                                         dot = (e[0] == '/') ? -1 : 0;
3129                                         break;
3130                                         }
3131                                 if (dot == 0)
3132                                         dot = (e[0] == '/') ? 1 : 0;
3133                                 }
3134                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3135
3136                         if (*e == '\0')
3137                                 {
3138                                 BIO_puts(io,text);
3139                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3140                                 break;
3141                                 }
3142                         *e='\0';
3143
3144                         if (dot)
3145                                 {
3146                                 BIO_puts(io,text);
3147                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3148                                 break;
3149                                 }
3150
3151                         if (*p == '/')
3152                                 {
3153                                 BIO_puts(io,text);
3154                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3155                                 break;
3156                                 }
3157
3158 #if 0
3159                         /* append if a directory lookup */
3160                         if (e[-1] == '/')
3161                                 strcat(p,"index.html");
3162 #endif
3163
3164                         /* if a directory, do the index thang */
3165                         if (app_isdir(p)>0)
3166                                 {
3167 #if 0 /* must check buffer size */
3168                                 strcat(p,"/index.html");
3169 #else
3170                                 BIO_puts(io,text);
3171                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3172                                 break;
3173 #endif
3174                                 }
3175
3176                         if ((file=BIO_new_file(p,"r")) == NULL)
3177                                 {
3178                                 BIO_puts(io,text);
3179                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3180                                 ERR_print_errors(io);
3181                                 break;
3182                                 }
3183
3184                         if (!s_quiet)
3185                                 BIO_printf(bio_err,"FILE:%s\n",p);
3186
3187                         if (www == 2)
3188                                 {
3189                                 i=strlen(p);
3190                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3191                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3192                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3193                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3194                                 else
3195                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3196                                 }
3197                         /* send the file */
3198                         for (;;)
3199                                 {
3200                                 i=BIO_read(file,buf,bufsize);
3201                                 if (i <= 0) break;
3202
3203 #ifdef RENEG
3204                                 total_bytes+=i;
3205                                 fprintf(stderr,"%d\n",i);
3206                                 if (total_bytes > 3*1024)
3207                                         {
3208                                         total_bytes=0;
3209                                         fprintf(stderr,"RENEGOTIATE\n");
3210                                         SSL_renegotiate(con);
3211                                         }
3212 #endif
3213
3214                                 for (j=0; j<i; )
3215                                         {
3216 #ifdef RENEG
3217 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3218 #endif
3219                                         k=BIO_write(io,&(buf[j]),i-j);
3220                                         if (k <= 0)
3221                                                 {
3222                                                 if (!BIO_should_retry(io))
3223                                                         goto write_error;
3224                                                 else
3225                                                         {
3226                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3227                                                         }
3228                                                 }
3229                                         else
3230                                                 {
3231                                                 j+=k;
3232                                                 }
3233                                         }
3234                                 }
3235 write_error:
3236                         BIO_free(file);
3237                         break;
3238                         }
3239                 }
3240
3241         for (;;)
3242                 {
3243                 i=(int)BIO_flush(io);
3244                 if (i <= 0)
3245                         {
3246                         if (!BIO_should_retry(io))
3247                                 break;
3248                         }
3249                 else
3250                         break;
3251                 }
3252 end:
3253 #if 1
3254         /* make sure we re-use sessions */
3255         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3256 #else
3257         /* This kills performance */
3258 /*      SSL_shutdown(con); A shutdown gets sent in the
3259  *      BIO_free_all(io) procession */
3260 #endif
3261
3262 err:
3263
3264         if (ret >= 0)
3265                 BIO_printf(bio_s_out,"ACCEPT\n");
3266
3267         if (buf != NULL) OPENSSL_free(buf);
3268         if (io != NULL) BIO_free_all(io);
3269 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3270         return(ret);
3271         }
3272
3273 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3274         {
3275         char *buf=NULL;
3276         int i;
3277         int ret=1;
3278         SSL *con;
3279         BIO *io,*ssl_bio,*sbio;
3280 #ifndef OPENSSL_NO_KRB5
3281         KSSL_CTX *kctx;
3282 #endif
3283
3284         buf=OPENSSL_malloc(bufsize);
3285         if (buf == NULL) return(0);
3286         io=BIO_new(BIO_f_buffer());
3287         ssl_bio=BIO_new(BIO_f_ssl());
3288         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3289
3290         /* lets make the output buffer a reasonable size */
3291         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3292
3293         if ((con=SSL_new(ctx)) == NULL) goto err;
3294 #ifndef OPENSSL_NO_TLSEXT
3295         if (s_tlsextdebug)
3296                 {
3297                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3298                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3299                 }
3300 #endif
3301 #ifndef OPENSSL_NO_KRB5
3302         if ((kctx = kssl_ctx_new()) != NULL)
3303                 {
3304                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3305                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3306                 }
3307 #endif  /* OPENSSL_NO_KRB5 */
3308         if(context) SSL_set_session_id_context(con, context,
3309                                                strlen((char *)context));
3310
3311         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3312         SSL_set_bio(con,sbio,sbio);
3313         SSL_set_accept_state(con);
3314
3315         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3316         BIO_push(io,ssl_bio);
3317 #ifdef CHARSET_EBCDIC
3318         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3319 #endif
3320
3321         if (s_debug)
3322                 {
3323                 SSL_set_debug(con, 1);
3324                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3325                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3326                 }
3327         if (s_msg)
3328                 {
3329 #ifndef OPENSSL_NO_SSL_TRACE
3330                 if (s_msg == 2)
3331                         SSL_set_msg_callback(con, SSL_trace);
3332                 else
3333 #endif
3334                         SSL_set_msg_callback(con, msg_cb);
3335                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3336                 }
3337
3338         for (;;)
3339                 {
3340                 i = BIO_do_handshake(io);
3341                 if (i > 0)
3342                         break;
3343                 if (!BIO_should_retry(io))
3344                         {
3345                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3346                         ERR_print_errors(bio_err);
3347                         goto end;
3348                         }
3349                 }
3350         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3351         print_ssl_summary(bio_err, con);
3352
3353         for (;;)
3354                 {
3355                 i=BIO_gets(io,buf,bufsize-1);
3356                 if (i < 0) /* error */
3357                         {
3358                         if (!BIO_should_retry(io))
3359                                 {
3360                                 if (!s_quiet)
3361                                         ERR_print_errors(bio_err);
3362                                 goto err;
3363                                 }
3364                         else
3365                                 {
3366                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3367 #if defined(OPENSSL_SYS_NETWARE)
3368             delay(1000);
3369 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3370                                 sleep(1);
3371 #endif
3372                                 continue;
3373                                 }
3374                         }
3375                 else if (i == 0) /* end of input */
3376                         {
3377                         ret=1;
3378                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3379                         goto end;
3380                         }
3381                 else
3382                         {
3383                         char *p = buf + i - 1;
3384                         while(i && (*p == '\n' || *p == '\r'))
3385                                 {
3386                                 p--;
3387                                 i--;
3388                                 }
3389                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3390                                 {
3391                                 ret = 1;
3392                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3393                                 goto end;
3394                                 }
3395                         BUF_reverse((unsigned char *)buf, NULL, i);
3396                         buf[i] = '\n';
3397                         BIO_write(io, buf, i + 1);
3398                         for (;;)
3399                                 {
3400                                 i = BIO_flush(io);
3401                                 if (i > 0)
3402                                         break;
3403                                 if (!BIO_should_retry(io))
3404                                         goto end;
3405                                 }
3406                         }
3407                 }
3408 end:
3409         /* make sure we re-use sessions */
3410         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3411
3412 err:
3413
3414         if (buf != NULL) OPENSSL_free(buf);
3415         if (io != NULL) BIO_free_all(io);
3416         return(ret);
3417         }
3418
3419 #ifndef OPENSSL_NO_RSA
3420 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3421         {
3422         BIGNUM *bn = NULL;
3423         static RSA *rsa_tmp=NULL;
3424
3425         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3426                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3427         if (!rsa_tmp && bn)
3428                 {
3429                 if (!s_quiet)
3430                         {
3431                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3432                         (void)BIO_flush(bio_err);
3433                         }
3434                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3435                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3436                         {
3437                         if(rsa_tmp) RSA_free(rsa_tmp);
3438                         rsa_tmp = NULL;
3439                         }
3440                 if (!s_quiet)
3441                         {
3442                         BIO_printf(bio_err,"\n");
3443                         (void)BIO_flush(bio_err);
3444                         }
3445                 BN_free(bn);
3446                 }
3447         return(rsa_tmp);
3448         }
3449 #endif
3450
3451 #define MAX_SESSION_ID_ATTEMPTS 10
3452 static int generate_session_id(const SSL *ssl, unsigned char *id,
3453                                 unsigned int *id_len)
3454         {
3455         unsigned int count = 0;
3456         do      {
3457                 RAND_pseudo_bytes(id, *id_len);
3458                 /* Prefix the session_id with the required prefix. NB: If our
3459                  * prefix is too long, clip it - but there will be worse effects
3460                  * anyway, eg. the server could only possibly create 1 session
3461                  * ID (ie. the prefix!) so all future session negotiations will
3462                  * fail due to conflicts. */
3463                 memcpy(id, session_id_prefix,
3464                         (strlen(session_id_prefix) < *id_len) ?
3465                         strlen(session_id_prefix) : *id_len);
3466                 }
3467         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3468                 (++count < MAX_SESSION_ID_ATTEMPTS));
3469         if(count >= MAX_SESSION_ID_ATTEMPTS)
3470                 return 0;
3471         return 1;
3472         }
3473
3474 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3475  * structures without any serialisation. This hides some bugs which only
3476  * become apparent in deployed servers. By implementing a basic external
3477  * session cache some issues can be debugged using s_server.
3478  */
3479
3480 typedef struct simple_ssl_session_st
3481         {
3482         unsigned char *id;
3483         unsigned int idlen;
3484         unsigned char *der;
3485         int derlen;
3486         struct simple_ssl_session_st *next;
3487         } simple_ssl_session;
3488
3489 static simple_ssl_session *first = NULL;
3490
3491 static int add_session(SSL *ssl, SSL_SESSION *session)
3492         {
3493         simple_ssl_session *sess;
3494         unsigned char *p;
3495
3496         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3497
3498         SSL_SESSION_get_id(session, &sess->idlen);
3499         sess->derlen = i2d_SSL_SESSION(session, NULL);
3500
3501         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3502
3503         sess->der = OPENSSL_malloc(sess->derlen);
3504         p = sess->der;
3505         i2d_SSL_SESSION(session, &p);
3506
3507         sess->next = first;
3508         first = sess;
3509         BIO_printf(bio_err, "New session added to external cache\n");
3510         return 0;
3511         }
3512
3513 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3514                                         int *do_copy)
3515         {
3516         simple_ssl_session *sess;
3517         *do_copy = 0;
3518         for (sess = first; sess; sess = sess->next)
3519                 {
3520                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3521                         {
3522                         const unsigned char *p = sess->der;
3523                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3524                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3525                         }
3526                 }
3527         BIO_printf(bio_err, "Lookup session: cache miss\n");
3528         return NULL;
3529         }
3530
3531 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3532         {
3533         simple_ssl_session *sess, *prev = NULL;
3534         const unsigned char *id;
3535         unsigned int idlen;
3536         id = SSL_SESSION_get_id(session, &idlen);
3537         for (sess = first; sess; sess = sess->next)
3538                 {
3539                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3540                         {
3541                         if(prev)
3542                                 prev->next = sess->next;
3543                         else
3544                                 first = sess->next;
3545                         OPENSSL_free(sess->id);
3546                         OPENSSL_free(sess->der);
3547                         OPENSSL_free(sess);
3548                         return;
3549                         }
3550                 prev = sess;
3551                 }
3552         }
3553
3554 static void init_session_cache_ctx(SSL_CTX *sctx)
3555         {
3556         SSL_CTX_set_session_cache_mode(sctx,
3557                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3558         SSL_CTX_sess_set_new_cb(sctx, add_session);
3559         SSL_CTX_sess_set_get_cb(sctx, get_session);
3560         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3561         }
3562
3563 static void free_sessions(void)
3564         {
3565         simple_ssl_session *sess, *tsess;
3566         for (sess = first; sess;)
3567                 {
3568                 OPENSSL_free(sess->id);
3569                 OPENSSL_free(sess->der);
3570                 tsess = sess;
3571                 sess = sess->next;
3572                 OPENSSL_free(tsess);
3573                 }
3574         first = NULL;
3575         }
3576
3577 #ifndef OPENSSL_NO_TLSEXT
3578 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
3579                            const unsigned char *in,
3580                            unsigned short inlen, int *al,
3581                            void *arg)
3582         {
3583         if (TLSEXT_TYPE_server_authz == ext_type)
3584                 client_provided_server_authz
3585                   = memchr(in,  TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
3586
3587         if (TLSEXT_TYPE_client_authz == ext_type)
3588                 client_provided_client_authz
3589                   = memchr(in, TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
3590
3591         return 1;
3592         }
3593
3594 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
3595                                     const unsigned char **out, unsigned short *outlen,
3596                                     int *al, void *arg)
3597         {
3598         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3599                 {
3600                 /*if auth_require_reneg flag is set, only send extensions if
3601                   renegotiation has occurred */
3602                 if (!c_auth_require_reneg
3603                     || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3604                         {
3605                         *out = auth_ext_data;
3606                         *outlen = 1;
3607                         return 1;
3608                         }
3609                 }
3610         /* no auth extension to send */
3611         return -1;
3612         }
3613
3614 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
3615                        const unsigned char *in,
3616                        unsigned short inlen, int *al,
3617                        void *arg)
3618         {
3619         if (supp_data_type == TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
3620                 {
3621                 most_recent_supplemental_data = in;
3622                 most_recent_supplemental_data_length = inlen;
3623                 }
3624         return 1;
3625         }
3626
3627 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
3628                                      const unsigned char **out,
3629                                      unsigned short *outlen, int *al, void *arg)
3630         {
3631         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3632                 {
3633                 /*if auth_require_reneg flag is set, only send supplemental data if
3634                   renegotiation has occurred */
3635                 if (!c_auth_require_reneg
3636                     || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3637                         {
3638                         generated_supp_data = OPENSSL_malloc(10);
3639                         memcpy(generated_supp_data, "1234512345", 10);
3640                         *out = generated_supp_data;
3641                         *outlen = 10;
3642                         return 1;
3643                         }
3644                 }
3645         /* no supplemental data to send */
3646         return -1;
3647         }
3648 #endif
3649