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 #ifndef OPENSSL_NO_TLSEXT
 489         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 490         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 491         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 492 #endif
 493     BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 494         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 495                            "                 The CRL(s) are appended to the certificate file\n");
 496         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 497                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 498                            "                 the certificate file.\n");
 499         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 500         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 501         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 502         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 503         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 504         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 505         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 506         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 507         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 508         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 509         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 510         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 511 #ifndef OPENSSL_NO_ECDH
 512         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 513                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 514                            "                 (default is nistp256).\n");
 515 #endif
 516 #ifdef FIONBIO
 517         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 518 #endif
 519         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 520         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 521         BIO_printf(bio_err," -debug        - Print more output\n");
 522         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 523         BIO_printf(bio_err," -state        - Print the SSL states\n");
 524         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 525         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 526         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 527         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 528         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 529         BIO_printf(bio_err," -quiet        - No server output\n");
 530         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 531 #ifndef OPENSSL_NO_PSK
 532         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 533         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 534 # ifndef OPENSSL_NO_JPAKE
 535         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 536 # endif
 537 #endif
 538 #ifndef OPENSSL_NO_SRP
 539         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 540         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 541 #endif
 542         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 543         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 544         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 545         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 546         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 547         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 548         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 549         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 550         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 551         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 552         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 553         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 554         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 555         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 556         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 557 #ifndef OPENSSL_NO_DH
 558         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 559 #endif
 560 #ifndef OPENSSL_NO_ECDH
 561         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 562 #endif
 563         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 564         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 565         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 566         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 567         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 568         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 569 #ifndef OPENSSL_NO_ENGINE
 570         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 571 #endif
 572         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 573         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 574 #ifndef OPENSSL_NO_TLSEXT
 575         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 576         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 577         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 578         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 579         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 580         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 581         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 582         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 583         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 584 # ifndef OPENSSL_NO_NEXTPROTONEG
 585         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 586 # endif
 587         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 588         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 589 #endif
 590         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 591         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 592         }
 593
 594 static int local_argc=0;
 595 static char **local_argv;
 596
 597 #ifdef CHARSET_EBCDIC
 598 static int ebcdic_new(BIO *bi);
 599 static int ebcdic_free(BIO *a);
 600 static int ebcdic_read(BIO *b, char *out, int outl);
 601 static int ebcdic_write(BIO *b, const char *in, int inl);
 602 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 603 static int ebcdic_gets(BIO *bp, char *buf, int size);
 604 static int ebcdic_puts(BIO *bp, const char *str);
 605
 606 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 607 static BIO_METHOD methods_ebcdic=
 608         {
 609         BIO_TYPE_EBCDIC_FILTER,
 610         "EBCDIC/ASCII filter",
 611         ebcdic_write,
 612         ebcdic_read,
 613         ebcdic_puts,
 614         ebcdic_gets,
 615         ebcdic_ctrl,
 616         ebcdic_new,
 617         ebcdic_free,
 618         };
 619
 620 typedef struct
 621 {
 622         size_t  alloced;
 623         char    buff[1];
 624 } EBCDIC_OUTBUFF;
 625
 626 BIO_METHOD *BIO_f_ebcdic_filter()
 627 {
 628         return(&methods_ebcdic);
 629 }
 630
 631 static int ebcdic_new(BIO *bi)
 632 {
 633         EBCDIC_OUTBUFF *wbuf;
 634
 635         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 636         wbuf->alloced = 1024;
 637         wbuf->buff[0] = '\0';
 638
 639         bi->ptr=(char *)wbuf;
 640         bi->init=1;
 641         bi->flags=0;
 642         return(1);
 643 }
 644
 645 static int ebcdic_free(BIO *a)
 646 {
 647         if (a == NULL) return(0);
 648         if (a->ptr != NULL)
 649                 OPENSSL_free(a->ptr);
 650         a->ptr=NULL;
 651         a->init=0;
 652         a->flags=0;
 653         return(1);
 654 }
 655
 656 static int ebcdic_read(BIO *b, char *out, int outl)
 657 {
 658         int ret=0;
 659
 660         if (out == NULL || outl == 0) return(0);
 661         if (b->next_bio == NULL) return(0);
 662
 663         ret=BIO_read(b->next_bio,out,outl);
 664         if (ret > 0)
 665                 ascii2ebcdic(out,out,ret);
 666         return(ret);
 667 }
 668
 669 static int ebcdic_write(BIO *b, const char *in, int inl)
 670 {
 671         EBCDIC_OUTBUFF *wbuf;
 672         int ret=0;
 673         int num;
 674         unsigned char n;
 675
 676         if ((in == NULL) || (inl <= 0)) return(0);
 677         if (b->next_bio == NULL) return(0);
 678
 679         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 680
 681         if (inl > (num = wbuf->alloced))
 682         {
 683                 num = num + num;  /* double the size */
 684                 if (num < inl)
 685                         num = inl;
 686                 OPENSSL_free(wbuf);
 687                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 688
 689                 wbuf->alloced = num;
 690                 wbuf->buff[0] = '\0';
 691
 692                 b->ptr=(char *)wbuf;
 693         }
 694
 695         ebcdic2ascii(wbuf->buff, in, inl);
 696
 697         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 698
 699         return(ret);
 700 }
 701
 702 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 703 {
 704         long ret;
 705
 706         if (b->next_bio == NULL) return(0);
 707         switch (cmd)
 708         {
 709         case BIO_CTRL_DUP:
 710                 ret=0L;
 711                 break;
 712         default:
 713                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 714                 break;
 715         }
 716         return(ret);
 717 }
 718
 719 static int ebcdic_gets(BIO *bp, char *buf, int size)
 720 {
 721         int i, ret=0;
 722         if (bp->next_bio == NULL) return(0);
 723 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 724         for (i=0; i<size-1; ++i)
 725         {
 726                 ret = ebcdic_read(bp,&buf[i],1);
 727                 if (ret <= 0)
 728                         break;
 729                 else if (buf[i] == '\n')
 730                 {
 731                         ++i;
 732                         break;
 733                 }
 734         }
 735         if (i < size)
 736                 buf[i] = '\0';
 737         return (ret < 0 && i == 0) ? ret : i;
 738 }
 739
 740 static int ebcdic_puts(BIO *bp, const char *str)
 741 {
 742         if (bp->next_bio == NULL) return(0);
 743         return ebcdic_write(bp, str, strlen(str));
 744 }
 745 #endif
 746
 747 #ifndef OPENSSL_NO_TLSEXT
 748
 749 /* This is a context that we pass to callbacks */
 750 typedef struct tlsextctx_st {
 751    char * servername;
 752    BIO * biodebug;
 753    int extension_error;
 754 } tlsextctx;
 755
 756
 757 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 758         {
 759         tlsextctx * p = (tlsextctx *) arg;
 760         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 761         if (servername && p->biodebug)
 762                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 763
 764         if (!p->servername)
 765                 return SSL_TLSEXT_ERR_NOACK;
 766
 767         if (servername)
 768                 {
 769                 if (strcmp(servername,p->servername))
 770                         return p->extension_error;
 771                 if (ctx2)
 772                         {
 773                         BIO_printf(p->biodebug,"Switching server context.\n");
 774                         SSL_set_SSL_CTX(s,ctx2);
 775                         }
 776                 }
 777         return SSL_TLSEXT_ERR_OK;
 778 }
 779
 780 /* Structure passed to cert status callback */
 781
 782 typedef struct tlsextstatusctx_st {
 783    /* Default responder to use */
 784    char *host, *path, *port;
 785    int use_ssl;
 786    int timeout;
 787    BIO *err;
 788    int verbose;
 789 } tlsextstatusctx;
 790
 791 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 792
 793 /* Certificate Status callback. This is called when a client includes a
 794  * certificate status request extension.
 795  *
 796  * This is a simplified version. It examines certificates each time and
 797  * makes one OCSP responder query for each request.
 798  *
 799  * A full version would store details such as the OCSP certificate IDs and
 800  * minimise the number of OCSP responses by caching them until they were
 801  * considered "expired".
 802  */
 803
 804 static int cert_status_cb(SSL *s, void *arg)
 805         {
 806         tlsextstatusctx *srctx = arg;
 807         BIO *err = srctx->err;
 808         char *host, *port, *path;
 809         int use_ssl;
 810         unsigned char *rspder = NULL;
 811         int rspderlen;
 812         STACK_OF(OPENSSL_STRING) *aia = NULL;
 813         X509 *x = NULL;
 814         X509_STORE_CTX inctx;
 815         X509_OBJECT obj;
 816         OCSP_REQUEST *req = NULL;
 817         OCSP_RESPONSE *resp = NULL;
 818         OCSP_CERTID *id = NULL;
 819         STACK_OF(X509_EXTENSION) *exts;
 820         int ret = SSL_TLSEXT_ERR_NOACK;
 821         int i;
 822 #if 0
 823 STACK_OF(OCSP_RESPID) *ids;
 824 SSL_get_tlsext_status_ids(s, &ids);
 825 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 826 #endif
 827         if (srctx->verbose)
 828                 BIO_puts(err, "cert_status: callback called\n");
 829         /* Build up OCSP query from server certificate */
 830         x = SSL_get_certificate(s);
 831         aia = X509_get1_ocsp(x);
 832         if (aia)
 833                 {
 834                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 835                         &host, &port, &path, &use_ssl))
 836                         {
 837                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 838                         goto err;
 839                         }
 840                 if (srctx->verbose)
 841                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 842                                         sk_OPENSSL_STRING_value(aia, 0));
 843                 }
 844         else
 845                 {
 846                 if (!srctx->host)
 847                         {
 848                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 849                         goto done;
 850                         }
 851                 host = srctx->host;
 852                 path = srctx->path;
 853                 port = srctx->port;
 854                 use_ssl = srctx->use_ssl;
 855                 }
 856
 857         if (!X509_STORE_CTX_init(&inctx,
 858                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 859                                 NULL, NULL))
 860                 goto err;
 861         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 862                                 X509_get_issuer_name(x),&obj) <= 0)
 863                 {
 864                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 865                 X509_STORE_CTX_cleanup(&inctx);
 866                 goto done;
 867                 }
 868         req = OCSP_REQUEST_new();
 869         if (!req)
 870                 goto err;
 871         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 872         X509_free(obj.data.x509);
 873         X509_STORE_CTX_cleanup(&inctx);
 874         if (!id)
 875                 goto err;
 876         if (!OCSP_request_add0_id(req, id))
 877                 goto err;
 878         id = NULL;
 879         /* Add any extensions to the request */
 880         SSL_get_tlsext_status_exts(s, &exts);
 881         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 882                 {
 883                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 884                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 885                         goto err;
 886                 }
 887         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 888                                         srctx->timeout);
 889         if (!resp)
 890                 {
 891                 BIO_puts(err, "cert_status: error querying responder\n");
 892                 goto done;
 893                 }
 894         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 895         if (rspderlen <= 0)
 896                 goto err;
 897         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 898         if (srctx->verbose)
 899                 {
 900                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 901                 OCSP_RESPONSE_print(err, resp, 2);
 902                 }
 903         ret = SSL_TLSEXT_ERR_OK;
 904         done:
 905         if (ret != SSL_TLSEXT_ERR_OK)
 906                 ERR_print_errors(err);
 907         if (aia)
 908                 {
 909                 OPENSSL_free(host);
 910                 OPENSSL_free(path);
 911                 OPENSSL_free(port);
 912                 X509_email_free(aia);
 913                 }
 914         if (id)
 915                 OCSP_CERTID_free(id);
 916         if (req)
 917                 OCSP_REQUEST_free(req);
 918         if (resp)
 919                 OCSP_RESPONSE_free(resp);
 920         return ret;
 921         err:
 922         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 923         goto done;
 924         }
 925
 926 # ifndef OPENSSL_NO_NEXTPROTONEG
 927 /* This is the context that we pass to next_proto_cb */
 928 typedef struct tlsextnextprotoctx_st {
 929         unsigned char *data;
 930         unsigned int len;
 931 } tlsextnextprotoctx;
 932
 933 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 934         {
 935         tlsextnextprotoctx *next_proto = arg;
 936
 937         *data = next_proto->data;
 938         *len = next_proto->len;
 939
 940         return SSL_TLSEXT_ERR_OK;
 941         }
 942 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 943
 944 /* This the context that we pass to alpn_cb */
 945 typedef struct tlsextalpnctx_st {
 946         unsigned char *data;
 947         unsigned short len;
 948 } tlsextalpnctx;
 949
 950 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 951         {
 952         tlsextalpnctx *alpn_ctx = arg;
 953
 954         if (!s_quiet)
 955                 {
 956                 /* We can assume that |in| is syntactically valid. */
 957                 unsigned i;
 958                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 959                 for (i = 0; i < inlen; )
 960                         {
 961                         if (i)
 962                                 BIO_write(bio_s_out, ", ", 2);
 963                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 964                         i += in[i] + 1;
 965                         }
 966                 BIO_write(bio_s_out, "\n", 1);
 967                 }
 968
 969         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 970             OPENSSL_NPN_NEGOTIATED)
 971                 {
 972                 return SSL_TLSEXT_ERR_NOACK;
 973                 }
 974
 975         if (!s_quiet)
 976                 {
 977                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
 978                 BIO_write(bio_s_out, *out, *outlen);
 979                 BIO_write(bio_s_out, "\n", 1);
 980                 }
 981
 982         return SSL_TLSEXT_ERR_OK;
 983         }
 984 #endif  /* ndef OPENSSL_NO_TLSEXT */
 985
 986 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 987         {
 988         /* disable resumption for sessions with forward secure ciphers */
 989         return is_forward_secure;
 990         }
 991
 992 int MAIN(int, char **);
 993
 994 #ifndef OPENSSL_NO_JPAKE
 995 static char *jpake_secret = NULL;
 996 #define no_jpake !jpake_secret
 997 #else
 998 #define no_jpake 1
 999 #endif
1000 #ifndef OPENSSL_NO_SRP
1001         static srpsrvparm srp_callback_parm;
1002 #endif
1003 static char *srtp_profiles = NULL;
1004
1005 int MAIN(int argc, char *argv[])
1006         {
1007         X509_VERIFY_PARAM *vpm = NULL;
1008         int badarg = 0;
1009         short port=PORT;
1010         char *CApath=NULL,*CAfile=NULL;
1011         char *chCApath=NULL,*chCAfile=NULL;
1012         char *vfyCApath=NULL,*vfyCAfile=NULL;
1013         unsigned char *context = NULL;
1014         char *dhfile = NULL;
1015         int badop=0;
1016         int ret=1;
1017         int build_chain = 0;
1018         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1019         int state=0;
1020         const SSL_METHOD *meth=NULL;
1021         int socket_type=SOCK_STREAM;
1022         ENGINE *e=NULL;
1023         char *inrand=NULL;
1024         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1025         char *passarg = NULL, *pass = NULL;
1026         char *dpassarg = NULL, *dpass = NULL;
1027         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1028         X509 *s_cert = NULL, *s_dcert = NULL;
1029         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1030         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1031         int no_cache = 0, ext_cache = 0;
1032         int rev = 0, naccept = -1;
1033         int sdebug = 0;
1034 #ifndef OPENSSL_NO_TLSEXT
1035         EVP_PKEY *s_key2 = NULL;
1036         X509 *s_cert2 = NULL;
1037         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1038 # ifndef OPENSSL_NO_NEXTPROTONEG
1039         const char *next_proto_neg_in = NULL;
1040         tlsextnextprotoctx next_proto = { NULL, 0};
1041 # endif
1042         const char *alpn_in = NULL;
1043         tlsextalpnctx alpn_ctx = { NULL, 0};
1044 #endif
1045 #ifndef OPENSSL_NO_PSK
1046         /* by default do not send a PSK identity hint */
1047         static char *psk_identity_hint=NULL;
1048 #endif
1049 #ifndef OPENSSL_NO_SRP
1050         char *srpuserseed = NULL;
1051         char *srp_verifier_file = NULL;
1052 #endif
1053         SSL_EXCERT *exc = NULL;
1054         SSL_CONF_CTX *cctx = NULL;
1055         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1056
1057         char *crl_file = NULL;
1058         int crl_format = FORMAT_PEM;
1059         int crl_download = 0;
1060         STACK_OF(X509_CRL) *crls = NULL;
1061
1062         meth=SSLv23_server_method();
1063
1064         local_argc=argc;
1065         local_argv=argv;
1066
1067         apps_startup();
1068 #ifdef MONOLITH
1069         s_server_init();
1070 #endif
1071
1072         if (bio_err == NULL)
1073                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1074
1075         if (!load_config(bio_err, NULL))
1076                 goto end;
1077
1078         cctx = SSL_CONF_CTX_new();
1079         if (!cctx)
1080                 goto end;
1081         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1082         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1083
1084         verify_depth=0;
1085 #ifdef FIONBIO
1086         s_nbio=0;
1087 #endif
1088         s_nbio_test=0;
1089
1090         argc--;
1091         argv++;
1092
1093         while (argc >= 1)
1094                 {
1095                 if      ((strcmp(*argv,"-port") == 0) ||
1096                          (strcmp(*argv,"-accept") == 0))
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         if (!extract_port(*(++argv),&port))
1100                                 goto bad;
1101                         }
1102                 else if (strcmp(*argv,"-naccept") == 0)
1103                         {
1104                         if (--argc < 1) goto bad;
1105                         naccept = atol(*(++argv));
1106                         if (naccept <= 0)
1107                                 {
1108                                 BIO_printf(bio_err, "bad accept value %s\n",
1109                                                         *argv);
1110                                 goto bad;
1111                                 }
1112                         }
1113                 else if (strcmp(*argv,"-verify") == 0)
1114                         {
1115                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1116                         if (--argc < 1) goto bad;
1117                         verify_depth=atoi(*(++argv));
1118                         if (!s_quiet)
1119                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1120                         }
1121                 else if (strcmp(*argv,"-Verify") == 0)
1122                         {
1123                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1124                                 SSL_VERIFY_CLIENT_ONCE;
1125                         if (--argc < 1) goto bad;
1126                         verify_depth=atoi(*(++argv));
1127                         if (!s_quiet)
1128                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1129                         }
1130                 else if (strcmp(*argv,"-context") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         context= (unsigned char *)*(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-cert") == 0)
1136                         {
1137                         if (--argc < 1) goto bad;
1138                         s_cert_file= *(++argv);
1139                         }
1140                 else if (strcmp(*argv,"-CRL") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         crl_file= *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-crl_download") == 0)
1146                         crl_download = 1;
1147 #ifndef OPENSSL_NO_TLSEXT
1148                 else if (strcmp(*argv,"-serverinfo") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         s_serverinfo_file = *(++argv);
1152                         }
1153                 else if (strcmp(*argv,"-auth") == 0)
1154                         {
1155                         c_auth = 1;
1156                         }
1157 #endif
1158                 else if (strcmp(*argv,"-auth_require_reneg") == 0)
1159                         {
1160                         c_auth_require_reneg = 1;
1161                         }
1162                 else if (strcmp(*argv,"-certform") == 0)
1163                         {
1164                         if (--argc < 1) goto bad;
1165                         s_cert_format = str2fmt(*(++argv));
1166                         }
1167                 else if (strcmp(*argv,"-key") == 0)
1168                         {
1169                         if (--argc < 1) goto bad;
1170                         s_key_file= *(++argv);
1171                         }
1172                 else if (strcmp(*argv,"-keyform") == 0)
1173                         {
1174                         if (--argc < 1) goto bad;
1175                         s_key_format = str2fmt(*(++argv));
1176                         }
1177                 else if (strcmp(*argv,"-pass") == 0)
1178                         {
1179                         if (--argc < 1) goto bad;
1180                         passarg = *(++argv);
1181                         }
1182                 else if (strcmp(*argv,"-cert_chain") == 0)
1183                         {
1184                         if (--argc < 1) goto bad;
1185                         s_chain_file= *(++argv);
1186                         }
1187                 else if (strcmp(*argv,"-dhparam") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         dhfile = *(++argv);
1191                         }
1192                 else if (strcmp(*argv,"-dcertform") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         s_dcert_format = str2fmt(*(++argv));
1196                         }
1197                 else if (strcmp(*argv,"-dcert") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         s_dcert_file= *(++argv);
1201                         }
1202                 else if (strcmp(*argv,"-dkeyform") == 0)
1203                         {
1204                         if (--argc < 1) goto bad;
1205                         s_dkey_format = str2fmt(*(++argv));
1206                         }
1207                 else if (strcmp(*argv,"-dpass") == 0)
1208                         {
1209                         if (--argc < 1) goto bad;
1210                         dpassarg = *(++argv);
1211                         }
1212                 else if (strcmp(*argv,"-dkey") == 0)
1213                         {
1214                         if (--argc < 1) goto bad;
1215                         s_dkey_file= *(++argv);
1216                         }
1217                 else if (strcmp(*argv,"-dcert_chain") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         s_dchain_file= *(++argv);
1221                         }
1222                 else if (strcmp(*argv,"-nocert") == 0)
1223                         {
1224                         nocert=1;
1225                         }
1226                 else if (strcmp(*argv,"-CApath") == 0)
1227                         {
1228                         if (--argc < 1) goto bad;
1229                         CApath= *(++argv);
1230                         }
1231                 else if (strcmp(*argv,"-chainCApath") == 0)
1232                         {
1233                         if (--argc < 1) goto bad;
1234                         chCApath= *(++argv);
1235                         }
1236                 else if (strcmp(*argv,"-verifyCApath") == 0)
1237                         {
1238                         if (--argc < 1) goto bad;
1239                         vfyCApath= *(++argv);
1240                         }
1241                 else if (strcmp(*argv,"-no_cache") == 0)
1242                         no_cache = 1;
1243                 else if (strcmp(*argv,"-ext_cache") == 0)
1244                         ext_cache = 1;
1245                 else if (strcmp(*argv,"-CRLform") == 0)
1246                         {
1247                         if (--argc < 1) goto bad;
1248                         crl_format = str2fmt(*(++argv));
1249                         }
1250                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1251                         {
1252                         if (badarg)
1253                                 goto bad;
1254                         continue;
1255                         }
1256                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1257                         {
1258                         if (badarg)
1259                                 goto bad;
1260                         continue;
1261                         }
1262                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1263                         {
1264                         if (badarg)
1265                                 goto bad;
1266                         continue;
1267                         }
1268                 else if (strcmp(*argv,"-verify_return_error") == 0)
1269                         verify_return_error = 1;
1270                 else if (strcmp(*argv,"-verify_quiet") == 0)
1271                         verify_quiet = 1;
1272                 else if (strcmp(*argv,"-build_chain") == 0)
1273                         build_chain = 1;
1274                 else if (strcmp(*argv,"-CAfile") == 0)
1275                         {
1276                         if (--argc < 1) goto bad;
1277                         CAfile= *(++argv);
1278                         }
1279                 else if (strcmp(*argv,"-chainCAfile") == 0)
1280                         {
1281                         if (--argc < 1) goto bad;
1282                         chCAfile= *(++argv);
1283                         }
1284                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1285                         {
1286                         if (--argc < 1) goto bad;
1287                         vfyCAfile= *(++argv);
1288                         }
1289 #ifdef FIONBIO
1290                 else if (strcmp(*argv,"-nbio") == 0)
1291                         { s_nbio=1; }
1292 #endif
1293                 else if (strcmp(*argv,"-nbio_test") == 0)
1294                         {
1295 #ifdef FIONBIO
1296                         s_nbio=1;
1297 #endif
1298                         s_nbio_test=1;
1299                         }
1300                 else if (strcmp(*argv,"-ign_eof") == 0)
1301                         s_ign_eof=1;
1302                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1303                         s_ign_eof=0;
1304                 else if (strcmp(*argv,"-debug") == 0)
1305                         { s_debug=1; }
1306 #ifndef OPENSSL_NO_TLSEXT
1307                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1308                         s_tlsextdebug=1;
1309                 else if (strcmp(*argv,"-status") == 0)
1310                         s_tlsextstatus=1;
1311                 else if (strcmp(*argv,"-status_verbose") == 0)
1312                         {
1313                         s_tlsextstatus=1;
1314                         tlscstatp.verbose = 1;
1315                         }
1316                 else if (!strcmp(*argv, "-status_timeout"))
1317                         {
1318                         s_tlsextstatus=1;
1319                         if (--argc < 1) goto bad;
1320                         tlscstatp.timeout = atoi(*(++argv));
1321                         }
1322                 else if (!strcmp(*argv, "-status_url"))
1323                         {
1324                         s_tlsextstatus=1;
1325                         if (--argc < 1) goto bad;
1326                         if (!OCSP_parse_url(*(++argv),
1327                                         &tlscstatp.host,
1328                                         &tlscstatp.port,
1329                                         &tlscstatp.path,
1330                                         &tlscstatp.use_ssl))
1331                                 {
1332                                 BIO_printf(bio_err, "Error parsing URL\n");
1333                                 goto bad;
1334                                 }
1335                         }
1336 #endif
1337                 else if (strcmp(*argv,"-msg") == 0)
1338                         { s_msg=1; }
1339                 else if (strcmp(*argv,"-msgfile") == 0)
1340                         {
1341                         if (--argc < 1) goto bad;
1342                         bio_s_msg = BIO_new_file(*(++argv), "w");
1343                         }
1344 #ifndef OPENSSL_NO_SSL_TRACE
1345                 else if (strcmp(*argv,"-trace") == 0)
1346                         { s_msg=2; }
1347 #endif
1348                 else if (strcmp(*argv,"-security_debug") == 0)
1349                         { sdebug=1; }
1350                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
1351                         { sdebug=2; }
1352                 else if (strcmp(*argv,"-hack") == 0)
1353                         { hack=1; }
1354                 else if (strcmp(*argv,"-state") == 0)
1355                         { state=1; }
1356                 else if (strcmp(*argv,"-crlf") == 0)
1357                         { s_crlf=1; }
1358                 else if (strcmp(*argv,"-quiet") == 0)
1359                         { s_quiet=1; }
1360                 else if (strcmp(*argv,"-brief") == 0)
1361                         {
1362                         s_quiet=1;
1363                         s_brief=1;
1364                         verify_quiet=1;
1365                         }
1366                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1367                         { no_tmp_rsa=1; }
1368                 else if (strcmp(*argv,"-no_dhe") == 0)
1369                         { no_dhe=1; }
1370                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1371                         { no_ecdhe=1; }
1372                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1373                         { no_resume_ephemeral = 1; }
1374 #ifndef OPENSSL_NO_PSK
1375                 else if (strcmp(*argv,"-psk_hint") == 0)
1376                         {
1377                         if (--argc < 1) goto bad;
1378                         psk_identity_hint= *(++argv);
1379                         }
1380                 else if (strcmp(*argv,"-psk") == 0)
1381                         {
1382                         size_t i;
1383
1384                         if (--argc < 1) goto bad;
1385                         psk_key=*(++argv);
1386                         for (i=0; i<strlen(psk_key); i++)
1387                                 {
1388                                 if (isxdigit((unsigned char)psk_key[i]))
1389                                         continue;
1390                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1391                                 goto bad;
1392                                 }
1393                         }
1394 #endif
1395 #ifndef OPENSSL_NO_SRP
1396                 else if (strcmp(*argv, "-srpvfile") == 0)
1397                         {
1398                         if (--argc < 1) goto bad;
1399                         srp_verifier_file = *(++argv);
1400                         meth = TLSv1_server_method();
1401                         }
1402                 else if (strcmp(*argv, "-srpuserseed") == 0)
1403                         {
1404                         if (--argc < 1) goto bad;
1405                         srpuserseed = *(++argv);
1406                         meth = TLSv1_server_method();
1407                         }
1408 #endif
1409                 else if (strcmp(*argv,"-rev") == 0)
1410                         { rev=1; }
1411                 else if (strcmp(*argv,"-www") == 0)
1412                         { www=1; }
1413                 else if (strcmp(*argv,"-WWW") == 0)
1414                         { www=2; }
1415                 else if (strcmp(*argv,"-HTTP") == 0)
1416                         { www=3; }
1417 #ifndef OPENSSL_NO_SSL2
1418                 else if (strcmp(*argv,"-ssl2") == 0)
1419                         { meth=SSLv2_server_method(); }
1420 #endif
1421 #ifndef OPENSSL_NO_SSL3
1422                 else if (strcmp(*argv,"-ssl3") == 0)
1423                         { meth=SSLv3_server_method(); }
1424 #endif
1425 #ifndef OPENSSL_NO_TLS1
1426                 else if (strcmp(*argv,"-tls1") == 0)
1427                         { meth=TLSv1_server_method(); }
1428                 else if (strcmp(*argv,"-tls1_1") == 0)
1429                         { meth=TLSv1_1_server_method(); }
1430                 else if (strcmp(*argv,"-tls1_2") == 0)
1431                         { meth=TLSv1_2_server_method(); }
1432 #endif
1433 #ifndef OPENSSL_NO_DTLS1
1434                 else if (strcmp(*argv,"-dtls") == 0)
1435                         {
1436                         meth=DTLS_server_method();
1437                         socket_type = SOCK_DGRAM;
1438                         }
1439                 else if (strcmp(*argv,"-dtls1") == 0)
1440                         {
1441                         meth=DTLSv1_server_method();
1442                         socket_type = SOCK_DGRAM;
1443                         }
1444                 else if (strcmp(*argv,"-dtls1_2") == 0)
1445                         {
1446                         meth=DTLSv1_2_server_method();
1447                         socket_type = SOCK_DGRAM;
1448                         }
1449                 else if (strcmp(*argv,"-timeout") == 0)
1450                         enable_timeouts = 1;
1451                 else if (strcmp(*argv,"-mtu") == 0)
1452                         {
1453                         if (--argc < 1) goto bad;
1454                         socket_mtu = atol(*(++argv));
1455                         }
1456                 else if (strcmp(*argv, "-chain") == 0)
1457                         cert_chain = 1;
1458 #endif
1459                 else if (strcmp(*argv, "-id_prefix") == 0)
1460                         {
1461                         if (--argc < 1) goto bad;
1462                         session_id_prefix = *(++argv);
1463                         }
1464 #ifndef OPENSSL_NO_ENGINE
1465                 else if (strcmp(*argv,"-engine") == 0)
1466                         {
1467                         if (--argc < 1) goto bad;
1468                         engine_id= *(++argv);
1469                         }
1470 #endif
1471                 else if (strcmp(*argv,"-rand") == 0)
1472                         {
1473                         if (--argc < 1) goto bad;
1474                         inrand= *(++argv);
1475                         }
1476 #ifndef OPENSSL_NO_TLSEXT
1477                 else if (strcmp(*argv,"-servername") == 0)
1478                         {
1479                         if (--argc < 1) goto bad;
1480                         tlsextcbp.servername= *(++argv);
1481                         }
1482                 else if (strcmp(*argv,"-servername_fatal") == 0)
1483                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1484                 else if (strcmp(*argv,"-cert2") == 0)
1485                         {
1486                         if (--argc < 1) goto bad;
1487                         s_cert_file2= *(++argv);
1488                         }
1489                 else if (strcmp(*argv,"-key2") == 0)
1490                         {
1491                         if (--argc < 1) goto bad;
1492                         s_key_file2= *(++argv);
1493                         }
1494 # ifndef OPENSSL_NO_NEXTPROTONEG
1495                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1496                         {
1497                         if (--argc < 1) goto bad;
1498                         next_proto_neg_in = *(++argv);
1499                         }
1500 # endif
1501                 else if (strcmp(*argv,"-alpn") == 0)
1502                         {
1503                         if (--argc < 1) goto bad;
1504                         alpn_in = *(++argv);
1505                         }
1506 #endif
1507 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1508                 else if (strcmp(*argv,"-jpake") == 0)
1509                         {
1510                         if (--argc < 1) goto bad;
1511                         jpake_secret = *(++argv);
1512                         }
1513 #endif
1514                 else if (strcmp(*argv,"-use_srtp") == 0)
1515                         {
1516                         if (--argc < 1) goto bad;
1517                         srtp_profiles = *(++argv);
1518                         }
1519                 else if (strcmp(*argv,"-keymatexport") == 0)
1520                         {
1521                         if (--argc < 1) goto bad;
1522                         keymatexportlabel= *(++argv);
1523                         }
1524                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1525                         {
1526                         if (--argc < 1) goto bad;
1527                         keymatexportlen=atoi(*(++argv));
1528                         if (keymatexportlen == 0) goto bad;
1529                         }
1530                 else
1531                         {
1532                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1533                         badop=1;
1534                         break;
1535                         }
1536                 argc--;
1537                 argv++;
1538                 }
1539         if (badop)
1540                 {
1541 bad:
1542                 sv_usage();
1543                 goto end;
1544                 }
1545
1546 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1547         if (jpake_secret)
1548                 {
1549                 if (psk_key)
1550                         {
1551                         BIO_printf(bio_err,
1552                                    "Can't use JPAKE and PSK together\n");
1553                         goto end;
1554                         }
1555                 psk_identity = "JPAKE";
1556                 }
1557 #endif
1558
1559         SSL_load_error_strings();
1560         OpenSSL_add_ssl_algorithms();
1561
1562 #ifndef OPENSSL_NO_ENGINE
1563         e = setup_engine(bio_err, engine_id, 1);
1564 #endif
1565
1566         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1567                 {
1568                 BIO_printf(bio_err, "Error getting password\n");
1569                 goto end;
1570                 }
1571
1572
1573         if (s_key_file == NULL)
1574                 s_key_file = s_cert_file;
1575 #ifndef OPENSSL_NO_TLSEXT
1576         if (s_key_file2 == NULL)
1577                 s_key_file2 = s_cert_file2;
1578 #endif
1579
1580         if (!load_excert(&exc, bio_err))
1581                 goto end;
1582
1583         if (nocert == 0)
1584                 {
1585                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1586                        "server certificate private key file");
1587                 if (!s_key)
1588                         {
1589                         ERR_print_errors(bio_err);
1590                         goto end;
1591                         }
1592
1593                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1594                         NULL, e, "server certificate file");
1595
1596                 if (!s_cert)
1597                         {
1598                         ERR_print_errors(bio_err);
1599                         goto end;
1600                         }
1601                 if (s_chain_file)
1602                         {
1603                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1604                                         NULL, e, "server certificate chain");
1605                         if (!s_chain)
1606                                 goto end;
1607                         }
1608
1609 #ifndef OPENSSL_NO_TLSEXT
1610                 if (tlsextcbp.servername)
1611                         {
1612                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1613                                 "second server certificate private key file");
1614                         if (!s_key2)
1615                                 {
1616                                 ERR_print_errors(bio_err);
1617                                 goto end;
1618                                 }
1619
1620                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1621                                 NULL, e, "second server certificate file");
1622
1623                         if (!s_cert2)
1624                                 {
1625                                 ERR_print_errors(bio_err);
1626                                 goto end;
1627                                 }
1628                         }
1629 #endif /* OPENSSL_NO_TLSEXT */
1630                 }
1631
1632 #if !defined(OPENSSL_NO_TLSEXT)
1633 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1634         if (next_proto_neg_in)
1635                 {
1636                 unsigned short len;
1637                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1638                 if (next_proto.data == NULL)
1639                         goto end;
1640                 next_proto.len = len;
1641                 }
1642         else
1643                 {
1644                 next_proto.data = NULL;
1645                 }
1646 # endif
1647         alpn_ctx.data = NULL;
1648         if (alpn_in)
1649                 {
1650                 unsigned short len;
1651                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1652                 if (alpn_ctx.data == NULL)
1653                         goto end;
1654                 alpn_ctx.len = len;
1655                 }
1656 #endif
1657
1658         if (crl_file)
1659                 {
1660                 X509_CRL *crl;
1661                 crl = load_crl(crl_file, crl_format);
1662                 if (!crl)
1663                         {
1664                         BIO_puts(bio_err, "Error loading CRL\n");
1665                         ERR_print_errors(bio_err);
1666                         goto end;
1667                         }
1668                 crls = sk_X509_CRL_new_null();
1669                 if (!crls || !sk_X509_CRL_push(crls, crl))
1670                         {
1671                         BIO_puts(bio_err, "Error adding CRL\n");
1672                         ERR_print_errors(bio_err);
1673                         X509_CRL_free(crl);
1674                         goto end;
1675                         }
1676                 }
1677
1678
1679         if (s_dcert_file)
1680                 {
1681
1682                 if (s_dkey_file == NULL)
1683                         s_dkey_file = s_dcert_file;
1684
1685                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1686                                 0, dpass, e,
1687                                "second certificate private key file");
1688                 if (!s_dkey)
1689                         {
1690                         ERR_print_errors(bio_err);
1691                         goto end;
1692                         }
1693
1694                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1695                                 NULL, e, "second server certificate file");
1696
1697                 if (!s_dcert)
1698                         {
1699                         ERR_print_errors(bio_err);
1700                         goto end;
1701                         }
1702                 if (s_dchain_file)
1703                         {
1704                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1705                                 NULL, e, "second server certificate chain");
1706                         if (!s_dchain)
1707                                 goto end;
1708                         }
1709
1710                 }
1711
1712         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1713                 && !RAND_status())
1714                 {
1715                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1716                 }
1717         if (inrand != NULL)
1718                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1719                         app_RAND_load_files(inrand));
1720
1721         if (bio_s_out == NULL)
1722                 {
1723                 if (s_quiet && !s_debug)
1724                         {
1725                         bio_s_out=BIO_new(BIO_s_null());
1726                         if (s_msg && !bio_s_msg)
1727                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1728                         }
1729                 else
1730                         {
1731                         if (bio_s_out == NULL)
1732                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1733                         }
1734                 }
1735
1736 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1737         if (nocert)
1738 #endif
1739                 {
1740                 s_cert_file=NULL;
1741                 s_key_file=NULL;
1742                 s_dcert_file=NULL;
1743                 s_dkey_file=NULL;
1744 #ifndef OPENSSL_NO_TLSEXT
1745                 s_cert_file2=NULL;
1746                 s_key_file2=NULL;
1747 #endif
1748                 }
1749
1750         ctx=SSL_CTX_new(meth);
1751         if (sdebug)
1752                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1753         if (ctx == NULL)
1754                 {
1755                 ERR_print_errors(bio_err);
1756                 goto end;
1757                 }
1758         if (session_id_prefix)
1759                 {
1760                 if(strlen(session_id_prefix) >= 32)
1761                         BIO_printf(bio_err,
1762 "warning: id_prefix is too long, only one new session will be possible\n");
1763                 else if(strlen(session_id_prefix) >= 16)
1764                         BIO_printf(bio_err,
1765 "warning: id_prefix is too long if you use SSLv2\n");
1766                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1767                         {
1768                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1769                         ERR_print_errors(bio_err);
1770                         goto end;
1771                         }
1772                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1773                 }
1774         SSL_CTX_set_quiet_shutdown(ctx,1);
1775         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1776         if (exc) ssl_ctx_set_excert(ctx, exc);
1777         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1778          * Setting read ahead solves this problem.
1779          */
1780         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1781
1782         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1783         if (no_cache)
1784                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1785         else if (ext_cache)
1786                 init_session_cache_ctx(ctx);
1787         else
1788                 SSL_CTX_sess_set_cache_size(ctx,128);
1789
1790         if (srtp_profiles != NULL)
1791                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1792
1793 #if 0
1794         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1795 #endif
1796
1797 #if 0
1798         if (s_cert_file == NULL)
1799                 {
1800                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1801                 goto end;
1802                 }
1803 #endif
1804
1805         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1806                 (!SSL_CTX_set_default_verify_paths(ctx)))
1807                 {
1808                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1809                 ERR_print_errors(bio_err);
1810                 /* goto end; */
1811                 }
1812         if (vpm)
1813                 SSL_CTX_set1_param(ctx, vpm);
1814
1815         ssl_ctx_add_crls(ctx, crls, 0);
1816         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1817                 goto end;
1818
1819         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1820                                                 crls, crl_download))
1821                 {
1822                 BIO_printf(bio_err, "Error loading store locations\n");
1823                 ERR_print_errors(bio_err);
1824                 goto end;
1825                 }
1826
1827 #ifndef OPENSSL_NO_TLSEXT
1828         if (s_cert2)
1829                 {
1830                 ctx2=SSL_CTX_new(meth);
1831                 if (ctx2 == NULL)
1832                         {
1833                         ERR_print_errors(bio_err);
1834                         goto end;
1835                         }
1836                 }
1837
1838         if (ctx2)
1839                 {
1840                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1841
1842                 if (sdebug)
1843                         ssl_ctx_security_debug(ctx, bio_err, sdebug);
1844
1845                 if (session_id_prefix)
1846                         {
1847                         if(strlen(session_id_prefix) >= 32)
1848                                 BIO_printf(bio_err,
1849                                         "warning: id_prefix is too long, only one new session will be possible\n");
1850                         else if(strlen(session_id_prefix) >= 16)
1851                                 BIO_printf(bio_err,
1852                                         "warning: id_prefix is too long if you use SSLv2\n");
1853                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1854                                 {
1855                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1856                                 ERR_print_errors(bio_err);
1857                                 goto end;
1858                                 }
1859                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1860                         }
1861                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1862                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1863                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1864                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1865                  * Setting read ahead solves this problem.
1866                  */
1867                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1868
1869                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1870
1871                 if (no_cache)
1872                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1873                 else if (ext_cache)
1874                         init_session_cache_ctx(ctx2);
1875                 else
1876                         SSL_CTX_sess_set_cache_size(ctx2,128);
1877
1878                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1879                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1880                         {
1881                         ERR_print_errors(bio_err);
1882                         }
1883                 if (vpm)
1884                         SSL_CTX_set1_param(ctx2, vpm);
1885
1886                 ssl_ctx_add_crls(ctx2, crls, 0);
1887                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1888                         goto end;
1889                 }
1890
1891 # ifndef OPENSSL_NO_NEXTPROTONEG
1892         if (next_proto.data)
1893                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1894 # endif
1895         if (alpn_ctx.data)
1896                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1897 #endif
1898
1899 #ifndef OPENSSL_NO_DH
1900         if (!no_dhe)
1901                 {
1902                 DH *dh=NULL;
1903
1904                 if (dhfile)
1905                         dh = load_dh_param(dhfile);
1906                 else if (s_cert_file)
1907                         dh = load_dh_param(s_cert_file);
1908
1909                 if (dh != NULL)
1910                         {
1911                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1912                         }
1913                 else
1914                         {
1915                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1916                         }
1917                 (void)BIO_flush(bio_s_out);
1918
1919                 if (dh == NULL)
1920                         SSL_CTX_set_dh_auto(ctx, 1);
1921                 else if (!SSL_CTX_set_tmp_dh(ctx,dh))
1922                         {
1923                         BIO_puts(bio_err, "Error setting temp DH parameters\n");
1924                         ERR_print_errors(bio_err);
1925                         DH_free(dh);
1926                         goto end;
1927                         }
1928 #ifndef OPENSSL_NO_TLSEXT
1929                 if (ctx2)
1930                         {
1931                         if (!dhfile)
1932                                 {
1933                                 DH *dh2=load_dh_param(s_cert_file2);
1934                                 if (dh2 != NULL)
1935                                         {
1936                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1937                                         (void)BIO_flush(bio_s_out);
1938
1939                                         DH_free(dh);
1940                                         dh = dh2;
1941                                         }
1942                                 }
1943                         if (dh == NULL)
1944                                 SSL_CTX_set_dh_auto(ctx2, 1);
1945                         else if (!SSL_CTX_set_tmp_dh(ctx2,dh))
1946                                 {
1947                                 BIO_puts(bio_err, "Error setting temp DH parameters\n");
1948                                 ERR_print_errors(bio_err);
1949                                 DH_free(dh);
1950                                 goto end;
1951                                 }
1952                         }
1953 #endif
1954                 DH_free(dh);
1955                 }
1956 #endif
1957
1958         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1959                 goto end;
1960 #ifndef OPENSSL_NO_TLSEXT
1961         if (s_serverinfo_file != NULL
1962             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1963                 {
1964                 ERR_print_errors(bio_err);
1965                 goto end;
1966                 }
1967         if (c_auth)
1968                 {
1969                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1970                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1971                 SSL_CTX_set_srv_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, auth_suppdata_generate_cb, suppdata_cb, bio_err);
1972                 }
1973 #endif
1974 #ifndef OPENSSL_NO_TLSEXT
1975         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1976                 goto end;
1977 #endif
1978         if (s_dcert != NULL)
1979                 {
1980                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1981                         goto end;
1982                 }
1983
1984 #ifndef OPENSSL_NO_RSA
1985 #if 1
1986         if (!no_tmp_rsa)
1987                 {
1988                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1989 #ifndef OPENSSL_NO_TLSEXT
1990                 if (ctx2)
1991                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1992 #endif
1993                 }
1994 #else
1995         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1996                 {
1997                 RSA *rsa;
1998
1999                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
2000                 BIO_flush(bio_s_out);
2001
2002                 rsa=RSA_generate_key(512,RSA_F4,NULL);
2003
2004                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
2005                         {
2006                         ERR_print_errors(bio_err);
2007                         goto end;
2008                         }
2009 #ifndef OPENSSL_NO_TLSEXT
2010                         if (ctx2)
2011                                 {
2012                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
2013                                         {
2014                                         ERR_print_errors(bio_err);
2015                                         goto end;
2016                                         }
2017                                 }
2018 #endif
2019                 RSA_free(rsa);
2020                 BIO_printf(bio_s_out,"\n");
2021                 }
2022 #endif
2023 #endif
2024
2025         if (no_resume_ephemeral)
2026                 {
2027                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
2028 #ifndef OPENSSL_NO_TLSEXT
2029                 if (ctx2)
2030                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
2031 #endif
2032                 }
2033
2034 #ifndef OPENSSL_NO_PSK
2035 #ifdef OPENSSL_NO_JPAKE
2036         if (psk_key != NULL)
2037 #else
2038         if (psk_key != NULL || jpake_secret)
2039 #endif
2040                 {
2041                 if (s_debug)
2042                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2043                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2044                 }
2045
2046         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2047                 {
2048                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2049                 ERR_print_errors(bio_err);
2050                 goto end;
2051                 }
2052 #endif
2053
2054         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2055         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2056                 sizeof s_server_session_id_context);
2057
2058         /* Set DTLS cookie generation and verification callbacks */
2059         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2060         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2061
2062 #ifndef OPENSSL_NO_TLSEXT
2063         if (ctx2)
2064                 {
2065                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2066                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2067                         sizeof s_server_session_id_context);
2068
2069                 tlsextcbp.biodebug = bio_s_out;
2070                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2071                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2072                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2073                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2074                 }
2075 #endif
2076
2077 #ifndef OPENSSL_NO_SRP
2078         if (srp_verifier_file != NULL)
2079                 {
2080                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2081                 srp_callback_parm.user = NULL;
2082                 srp_callback_parm.login = NULL;
2083                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2084                         {
2085                         BIO_printf(bio_err,
2086                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2087                                    srp_verifier_file, ret);
2088                                 goto end;
2089                         }
2090                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2091                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2092                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2093                 }
2094         else
2095 #endif
2096         if (CAfile != NULL)
2097                 {
2098                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2099 #ifndef OPENSSL_NO_TLSEXT
2100                 if (ctx2)
2101                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2102 #endif
2103                 }
2104
2105         BIO_printf(bio_s_out,"ACCEPT\n");
2106         (void)BIO_flush(bio_s_out);
2107         if (rev)
2108                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2109         else if (www)
2110                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2111         else
2112                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2113         print_stats(bio_s_out,ctx);
2114         ret=0;
2115 end:
2116         if (ctx != NULL) SSL_CTX_free(ctx);
2117         if (s_cert)
2118                 X509_free(s_cert);
2119         if (crls)
2120                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2121         if (s_dcert)
2122                 X509_free(s_dcert);
2123         if (s_key)
2124                 EVP_PKEY_free(s_key);
2125         if (s_dkey)
2126                 EVP_PKEY_free(s_dkey);
2127         if (s_chain)
2128                 sk_X509_pop_free(s_chain, X509_free);
2129         if (s_dchain)
2130                 sk_X509_pop_free(s_dchain, X509_free);
2131         if (pass)
2132                 OPENSSL_free(pass);
2133         if (dpass)
2134                 OPENSSL_free(dpass);
2135         if (vpm)
2136                 X509_VERIFY_PARAM_free(vpm);
2137         free_sessions();
2138 #ifndef OPENSSL_NO_TLSEXT
2139         if (tlscstatp.host)
2140                 OPENSSL_free(tlscstatp.host);
2141         if (tlscstatp.port)
2142                 OPENSSL_free(tlscstatp.port);
2143         if (tlscstatp.path)
2144                 OPENSSL_free(tlscstatp.path);
2145         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2146         if (s_cert2)
2147                 X509_free(s_cert2);
2148         if (s_key2)
2149                 EVP_PKEY_free(s_key2);
2150         if (serverinfo_in != NULL)
2151                 BIO_free(serverinfo_in);
2152 # ifndef OPENSSL_NO_NEXTPROTONEG
2153         if (next_proto.data)
2154                 OPENSSL_free(next_proto.data);
2155 # endif
2156         if (alpn_ctx.data)
2157                 OPENSSL_free(alpn_ctx.data);
2158 #endif
2159         ssl_excert_free(exc);
2160         if (ssl_args)
2161                 sk_OPENSSL_STRING_free(ssl_args);
2162         if (cctx)
2163                 SSL_CONF_CTX_free(cctx);
2164 #ifndef OPENSSL_NO_JPAKE
2165         if (jpake_secret && psk_key)
2166                 OPENSSL_free(psk_key);
2167 #endif
2168         if (bio_s_out != NULL)
2169                 {
2170                 BIO_free(bio_s_out);
2171                 bio_s_out=NULL;
2172                 }
2173         if (bio_s_msg != NULL)
2174                 {
2175                 BIO_free(bio_s_msg);
2176                 bio_s_msg = NULL;
2177                 }
2178         apps_shutdown();
2179         OPENSSL_EXIT(ret);
2180         }
2181
2182 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2183         {
2184         BIO_printf(bio,"%4ld items in the session cache\n",
2185                 SSL_CTX_sess_number(ssl_ctx));
2186         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2187                 SSL_CTX_sess_connect(ssl_ctx));
2188         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2189                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2190         BIO_printf(bio,"%4ld client connects that finished\n",
2191                 SSL_CTX_sess_connect_good(ssl_ctx));
2192         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2193                 SSL_CTX_sess_accept(ssl_ctx));
2194         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2195                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2196         BIO_printf(bio,"%4ld server accepts that finished\n",
2197                 SSL_CTX_sess_accept_good(ssl_ctx));
2198         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2199         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2200         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2201         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2202         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2203                 SSL_CTX_sess_cache_full(ssl_ctx),
2204                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2205         }
2206
2207 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2208         {
2209         char *buf=NULL;
2210         fd_set readfds;
2211         int ret=1,width;
2212         int k,i;
2213         unsigned long l;
2214         SSL *con=NULL;
2215         BIO *sbio;
2216 #ifndef OPENSSL_NO_KRB5
2217         KSSL_CTX *kctx;
2218 #endif
2219         struct timeval timeout;
2220 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2221         struct timeval tv;
2222 #else
2223         struct timeval *timeoutp;
2224 #endif
2225
2226         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2227                 {
2228                 BIO_printf(bio_err,"out of memory\n");
2229                 goto err;
2230                 }
2231 #ifdef FIONBIO
2232         if (s_nbio)
2233                 {
2234                 unsigned long sl=1;
2235
2236                 if (!s_quiet)
2237                         BIO_printf(bio_err,"turning on non blocking io\n");
2238                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2239                         ERR_print_errors(bio_err);
2240                 }
2241 #endif
2242
2243         if (con == NULL) {
2244                 con=SSL_new(ctx);
2245 #ifndef OPENSSL_NO_TLSEXT
2246         if (s_tlsextdebug)
2247                 {
2248                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2249                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2250                 }
2251         if (s_tlsextstatus)
2252                 {
2253                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2254                 tlscstatp.err = bio_err;
2255                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2256                 }
2257 #endif
2258 #ifndef OPENSSL_NO_KRB5
2259                 if ((kctx = kssl_ctx_new()) != NULL)
2260                         {
2261                         SSL_set0_kssl_ctx(con, kctx);
2262                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2263                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2264                         }
2265 #endif  /* OPENSSL_NO_KRB5 */
2266                 if(context)
2267                       SSL_set_session_id_context(con, context,
2268                                                  strlen((char *)context));
2269         }
2270         SSL_clear(con);
2271 #if 0
2272 #ifdef TLSEXT_TYPE_opaque_prf_input
2273         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2274 #endif
2275 #endif
2276
2277         if (stype == SOCK_DGRAM)
2278                 {
2279
2280                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2281
2282                 if (enable_timeouts)
2283                         {
2284                         timeout.tv_sec = 0;
2285                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2286                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2287
2288                         timeout.tv_sec = 0;
2289                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2290                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2291                         }
2292
2293                 if (socket_mtu > 28)
2294                         {
2295                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2296                         SSL_set_mtu(con, socket_mtu - 28);
2297                         }
2298                 else
2299                         /* want to do MTU discovery */
2300                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2301
2302         /* turn on cookie exchange */
2303         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2304                 }
2305         else
2306                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2307
2308         if (s_nbio_test)
2309                 {
2310                 BIO *test;
2311
2312                 test=BIO_new(BIO_f_nbio_test());
2313                 sbio=BIO_push(test,sbio);
2314                 }
2315 #ifndef OPENSSL_NO_JPAKE
2316         if(jpake_secret)
2317                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2318 #endif
2319
2320         SSL_set_bio(con,sbio,sbio);
2321         SSL_set_accept_state(con);
2322         /* SSL_set_fd(con,s); */
2323
2324         if (s_debug)
2325                 {
2326                 SSL_set_debug(con, 1);
2327                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2328                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2329                 }
2330         if (s_msg)
2331                 {
2332 #ifndef OPENSSL_NO_SSL_TRACE
2333                 if (s_msg == 2)
2334                         SSL_set_msg_callback(con, SSL_trace);
2335                 else
2336 #endif
2337                         SSL_set_msg_callback(con, msg_cb);
2338                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2339                 }
2340 #ifndef OPENSSL_NO_TLSEXT
2341         if (s_tlsextdebug)
2342                 {
2343                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2344                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2345                 }
2346 #endif
2347
2348         width=s+1;
2349         for (;;)
2350                 {
2351                 int read_from_terminal;
2352                 int read_from_sslcon;
2353
2354                 read_from_terminal = 0;
2355                 read_from_sslcon = SSL_pending(con);
2356
2357                 if (!read_from_sslcon)
2358                         {
2359                         FD_ZERO(&readfds);
2360 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2361                         openssl_fdset(fileno(stdin),&readfds);
2362 #endif
2363                         openssl_fdset(s,&readfds);
2364                         /* Note: under VMS with SOCKETSHR the second parameter is
2365                          * currently of type (int *) whereas under other systems
2366                          * it is (void *) if you don't have a cast it will choke
2367                          * the compiler: if you do have a cast then you can either
2368                          * go for (int *) or (void *).
2369                          */
2370 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2371                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2372                          * on sockets. As a workaround we timeout the select every
2373                          * second and check for any keypress. In a proper Windows
2374                          * application we wouldn't do this because it is inefficient.
2375                          */
2376                         tv.tv_sec = 1;
2377                         tv.tv_usec = 0;
2378                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2379                         if((i < 0) || (!i && !_kbhit() ) )continue;
2380                         if(_kbhit())
2381                                 read_from_terminal = 1;
2382 #elif defined(OPENSSL_SYS_BEOS_R5)
2383                         /* Under BeOS-R5 the situation is similar to DOS */
2384                         tv.tv_sec = 1;
2385                         tv.tv_usec = 0;
2386                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2387                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2388                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2389                                 continue;
2390                         if (read(fileno(stdin), buf, 0) >= 0)
2391                                 read_from_terminal = 1;
2392                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2393 #else
2394                         if ((SSL_version(con) == DTLS1_VERSION) &&
2395                                 DTLSv1_get_timeout(con, &timeout))
2396                                 timeoutp = &timeout;
2397                         else
2398                                 timeoutp = NULL;
2399
2400                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2401
2402                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2403                                 {
2404                                 BIO_printf(bio_err,"TIMEOUT occurred\n");
2405                                 }
2406
2407                         if (i <= 0) continue;
2408                         if (FD_ISSET(fileno(stdin),&readfds))
2409                                 read_from_terminal = 1;
2410 #endif
2411                         if (FD_ISSET(s,&readfds))
2412                                 read_from_sslcon = 1;
2413                         }
2414                 if (read_from_terminal)
2415                         {
2416                         if (s_crlf)
2417                                 {
2418                                 int j, lf_num;
2419
2420                                 i=raw_read_stdin(buf, bufsize/2);
2421                                 lf_num = 0;
2422                                 /* both loops are skipped when i <= 0 */
2423                                 for (j = 0; j < i; j++)
2424                                         if (buf[j] == '\n')
2425                                                 lf_num++;
2426                                 for (j = i-1; j >= 0; j--)
2427                                         {
2428                                         buf[j+lf_num] = buf[j];
2429                                         if (buf[j] == '\n')
2430                                                 {
2431                                                 lf_num--;
2432                                                 i++;
2433                                                 buf[j+lf_num] = '\r';
2434                                                 }
2435                                         }
2436                                 assert(lf_num == 0);
2437                                 }
2438                         else
2439                                 i=raw_read_stdin(buf,bufsize);
2440                         if (!s_quiet && !s_brief)
2441                                 {
2442                                 if ((i <= 0) || (buf[0] == 'Q'))
2443                                         {
2444                                         BIO_printf(bio_s_out,"DONE\n");
2445                                         SHUTDOWN(s);
2446                                         close_accept_socket();
2447                                         ret= -11;
2448                                         goto err;
2449                                         }
2450                                 if ((i <= 0) || (buf[0] == 'q'))
2451                                         {
2452                                         BIO_printf(bio_s_out,"DONE\n");
2453                                         if (SSL_version(con) != DTLS1_VERSION)
2454                         SHUTDOWN(s);
2455         /*                              close_accept_socket();
2456                                         ret= -11;*/
2457                                         goto err;
2458                                         }
2459
2460 #ifndef OPENSSL_NO_HEARTBEATS
2461                                 if ((buf[0] == 'B') &&
2462                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2463                                         {
2464                                         BIO_printf(bio_err,"HEARTBEATING\n");
2465                                         SSL_heartbeat(con);
2466                                         i=0;
2467                                         continue;
2468                                         }
2469 #endif
2470                                 if ((buf[0] == 'r') &&
2471                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2472                                         {
2473                                         SSL_renegotiate(con);
2474                                         i=SSL_do_handshake(con);
2475                                         printf("SSL_do_handshake -> %d\n",i);
2476                                         i=0; /*13; */
2477                                         continue;
2478                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2479                                         }
2480                                 if ((buf[0] == 'R') &&
2481                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2482                                         {
2483                                         SSL_set_verify(con,
2484                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2485                                         SSL_renegotiate(con);
2486                                         i=SSL_do_handshake(con);
2487                                         printf("SSL_do_handshake -> %d\n",i);
2488                                         i=0; /* 13; */
2489                                         continue;
2490                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2491                                         }
2492                                 if (buf[0] == 'P')
2493                                         {
2494                                         static const char *str="Lets print some clear text\n";
2495                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2496                                         }
2497                                 if (buf[0] == 'S')
2498                                         {
2499                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2500                                         }
2501                                 }
2502 #ifdef CHARSET_EBCDIC
2503                         ebcdic2ascii(buf,buf,i);
2504 #endif
2505                         l=k=0;
2506                         for (;;)
2507                                 {
2508                                 /* should do a select for the write */
2509 #ifdef RENEG
2510 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2511 #endif
2512                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2513 #ifndef OPENSSL_NO_SRP
2514                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2515                                         {
2516                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2517                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2518                                         if (srp_callback_parm.user)
2519                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2520                                         else
2521                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2522                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2523                                         }
2524 #endif
2525                                 switch (SSL_get_error(con,k))
2526                                         {
2527                                 case SSL_ERROR_NONE:
2528                                         break;
2529                                 case SSL_ERROR_WANT_WRITE:
2530                                 case SSL_ERROR_WANT_READ:
2531                                 case SSL_ERROR_WANT_X509_LOOKUP:
2532                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2533                                         break;
2534                                 case SSL_ERROR_SYSCALL:
2535                                 case SSL_ERROR_SSL:
2536                                         BIO_printf(bio_s_out,"ERROR\n");
2537                                         ERR_print_errors(bio_err);
2538                                         ret=1;
2539                                         goto err;
2540                                         /* break; */
2541                                 case SSL_ERROR_ZERO_RETURN:
2542                                         BIO_printf(bio_s_out,"DONE\n");
2543                                         ret=1;
2544                                         goto err;
2545                                         }
2546                                 l+=k;
2547                                 i-=k;
2548                                 if (i <= 0) break;
2549                                 }
2550                         }
2551                 if (read_from_sslcon)
2552                         {
2553                         if (!SSL_is_init_finished(con))
2554                                 {
2555                                 i=init_ssl_connection(con);
2556
2557                                 if (i < 0)
2558                                         {
2559                                         ret=0;
2560                                         goto err;
2561                                         }
2562                                 else if (i == 0)
2563                                         {
2564                                         ret=1;
2565                                         goto err;
2566                                         }
2567                                 }
2568                         else
2569                                 {
2570 again:
2571                                 i=SSL_read(con,(char *)buf,bufsize);
2572 #ifndef OPENSSL_NO_SRP
2573                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2574                                         {
2575                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2576                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2577                                         if (srp_callback_parm.user)
2578                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2579                                         else
2580                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2581                                         i=SSL_read(con,(char *)buf,bufsize);
2582                                         }
2583 #endif
2584                                 switch (SSL_get_error(con,i))
2585                                         {
2586                                 case SSL_ERROR_NONE:
2587 #ifdef CHARSET_EBCDIC
2588                                         ascii2ebcdic(buf,buf,i);
2589 #endif
2590                                         raw_write_stdout(buf,
2591                                                 (unsigned int)i);
2592                                         if (SSL_pending(con)) goto again;
2593                                         break;
2594                                 case SSL_ERROR_WANT_WRITE:
2595                                 case SSL_ERROR_WANT_READ:
2596                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2597                                         break;
2598                                 case SSL_ERROR_SYSCALL:
2599                                 case SSL_ERROR_SSL:
2600                                         BIO_printf(bio_s_out,"ERROR\n");
2601                                         ERR_print_errors(bio_err);
2602                                         ret=1;
2603                                         goto err;
2604                                 case SSL_ERROR_ZERO_RETURN:
2605                                         BIO_printf(bio_s_out,"DONE\n");
2606                                         ret=1;
2607                                         goto err;
2608                                         }
2609                                 }
2610                         }
2611                 }
2612 err:
2613         if (con != NULL)
2614                 {
2615                 BIO_printf(bio_s_out,"shutting down SSL\n");
2616 #if 1
2617                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2618 #else
2619                 SSL_shutdown(con);
2620 #endif
2621                 SSL_free(con);
2622                 }
2623         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2624         if (buf != NULL)
2625                 {
2626                 OPENSSL_cleanse(buf,bufsize);
2627                 OPENSSL_free(buf);
2628                 }
2629         if (ret >= 0)
2630                 BIO_printf(bio_s_out,"ACCEPT\n");
2631         return(ret);
2632         }
2633
2634 static void close_accept_socket(void)
2635         {
2636         BIO_printf(bio_err,"shutdown accept socket\n");
2637         if (accept_socket >= 0)
2638                 {
2639                 SHUTDOWN2(accept_socket);
2640                 }
2641         }
2642
2643 static int init_ssl_connection(SSL *con)
2644         {
2645         int i;
2646         const char *str;
2647         X509 *peer;
2648         long verify_error;
2649         MS_STATIC char buf[BUFSIZ];
2650 #ifndef OPENSSL_NO_KRB5
2651         char *client_princ;
2652 #endif
2653 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2654         const unsigned char *next_proto_neg;
2655         unsigned next_proto_neg_len;
2656 #endif
2657         unsigned char *exportedkeymat;
2658
2659
2660         i=SSL_accept(con);
2661 #ifdef CERT_CB_TEST_RETRY
2662         {
2663         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2664                 {
2665                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2666                 i=SSL_accept(con);
2667                 }
2668         }
2669 #endif
2670 #ifndef OPENSSL_NO_SRP
2671         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2672                 {
2673                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2674                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2675                         if (srp_callback_parm.user)
2676                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2677                         else
2678                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2679                         i=SSL_accept(con);
2680                 }
2681 #endif
2682         /*handshake is complete - free the generated supp data allocated in the callback */
2683         if (generated_supp_data)
2684                 {
2685         OPENSSL_free(generated_supp_data);
2686                 generated_supp_data = NULL;
2687                 }
2688
2689         if (i <= 0)
2690                 {
2691                 if (BIO_sock_should_retry(i))
2692                         {
2693                         BIO_printf(bio_s_out,"DELAY\n");
2694                         return(1);
2695                         }
2696
2697                 BIO_printf(bio_err,"ERROR\n");
2698                 verify_error=SSL_get_verify_result(con);
2699                 if (verify_error != X509_V_OK)
2700                         {
2701                         BIO_printf(bio_err,"verify error:%s\n",
2702                                 X509_verify_cert_error_string(verify_error));
2703                         }
2704                 /* Always print any error messages */
2705                 ERR_print_errors(bio_err);
2706                 return(0);
2707                 }
2708
2709         if (s_brief)
2710                 print_ssl_summary(bio_err, con);
2711
2712         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2713
2714         peer=SSL_get_peer_certificate(con);
2715         if (peer != NULL)
2716                 {
2717                 BIO_printf(bio_s_out,"Client certificate\n");
2718                 PEM_write_bio_X509(bio_s_out,peer);
2719                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2720                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2721                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2722                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2723                 X509_free(peer);
2724                 }
2725
2726         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2727                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2728         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2729         ssl_print_sigalgs(bio_s_out, con);
2730 #ifndef OPENSSL_NO_EC
2731         ssl_print_point_formats(bio_s_out, con);
2732         ssl_print_curves(bio_s_out, con, 0);
2733 #endif
2734         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2735
2736 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2737         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2738         if (next_proto_neg)
2739                 {
2740                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2741                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2742                 BIO_printf(bio_s_out, "\n");
2743                 }
2744 #endif
2745         {
2746         SRTP_PROTECTION_PROFILE *srtp_profile
2747           = SSL_get_selected_srtp_profile(con);
2748
2749         if(srtp_profile)
2750                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2751                            srtp_profile->name);
2752         }
2753         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2754         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2755                 TLS1_FLAGS_TLS_PADDING_BUG)
2756                 BIO_printf(bio_s_out,
2757                            "Peer has incorrect TLSv1 block padding\n");
2758 #ifndef OPENSSL_NO_KRB5
2759         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2760         if (client_princ != NULL)
2761                 {
2762                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2763                                                                 client_princ);
2764                 }
2765 #endif /* OPENSSL_NO_KRB5 */
2766         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2767                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2768         if (keymatexportlabel != NULL)
2769                 {
2770                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2771                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2772                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2773                            keymatexportlen);
2774                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2775                 if (exportedkeymat != NULL)
2776                         {
2777                         if (!SSL_export_keying_material(con, exportedkeymat,
2778                                                         keymatexportlen,
2779                                                         keymatexportlabel,
2780                                                         strlen(keymatexportlabel),
2781                                                         NULL, 0, 0))
2782                                 {
2783                                 BIO_printf(bio_s_out, "    Error\n");
2784                                 }
2785                         else
2786                                 {
2787                                 BIO_printf(bio_s_out, "    Keying material: ");
2788                                 for (i=0; i<keymatexportlen; i++)
2789                                         BIO_printf(bio_s_out, "%02X",
2790                                                    exportedkeymat[i]);
2791                                 BIO_printf(bio_s_out, "\n");
2792                                 }
2793                         OPENSSL_free(exportedkeymat);
2794                         }
2795                 }
2796
2797         return(1);
2798         }
2799
2800 #ifndef OPENSSL_NO_DH
2801 static DH *load_dh_param(const char *dhfile)
2802         {
2803         DH *ret=NULL;
2804         BIO *bio;
2805
2806         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2807                 goto err;
2808         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2809 err:
2810         if (bio != NULL) BIO_free(bio);
2811         return(ret);
2812         }
2813 #endif
2814
2815 #if 0
2816 static int load_CA(SSL_CTX *ctx, char *file)
2817         {
2818         FILE *in;
2819         X509 *x=NULL;
2820
2821         if ((in=fopen(file,"r")) == NULL)
2822                 return(0);
2823
2824         for (;;)
2825                 {
2826                 if (PEM_read_X509(in,&x,NULL) == NULL)
2827                         break;
2828                 SSL_CTX_add_client_CA(ctx,x);
2829                 }
2830         if (x != NULL) X509_free(x);
2831         fclose(in);
2832         return(1);
2833         }
2834 #endif
2835
2836 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2837         {
2838         char *buf=NULL;
2839         int ret=1;
2840         int i,j,k,dot;
2841         SSL *con;
2842         const SSL_CIPHER *c;
2843         BIO *io,*ssl_bio,*sbio;
2844 #ifndef OPENSSL_NO_KRB5
2845         KSSL_CTX *kctx;
2846 #endif
2847
2848         buf=OPENSSL_malloc(bufsize);
2849         if (buf == NULL) return(0);
2850         io=BIO_new(BIO_f_buffer());
2851         ssl_bio=BIO_new(BIO_f_ssl());
2852         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2853
2854 #ifdef FIONBIO
2855         if (s_nbio)
2856                 {
2857                 unsigned long sl=1;
2858
2859                 if (!s_quiet)
2860                         BIO_printf(bio_err,"turning on non blocking io\n");
2861                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2862                         ERR_print_errors(bio_err);
2863                 }
2864 #endif
2865
2866         /* lets make the output buffer a reasonable size */
2867         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2868
2869         if ((con=SSL_new(ctx)) == NULL) goto err;
2870 #ifndef OPENSSL_NO_TLSEXT
2871                 if (s_tlsextdebug)
2872                         {
2873                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2874                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2875                         }
2876 #endif
2877 #ifndef OPENSSL_NO_KRB5
2878         if ((kctx = kssl_ctx_new()) != NULL)
2879                 {
2880                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2881                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2882                 }
2883 #endif  /* OPENSSL_NO_KRB5 */
2884         if(context) SSL_set_session_id_context(con, context,
2885                                                strlen((char *)context));
2886
2887         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2888         if (s_nbio_test)
2889                 {
2890                 BIO *test;
2891
2892                 test=BIO_new(BIO_f_nbio_test());
2893                 sbio=BIO_push(test,sbio);
2894                 }
2895         SSL_set_bio(con,sbio,sbio);
2896         SSL_set_accept_state(con);
2897
2898         /* SSL_set_fd(con,s); */
2899         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2900         BIO_push(io,ssl_bio);
2901 #ifdef CHARSET_EBCDIC
2902         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2903 #endif
2904
2905         if (s_debug)
2906                 {
2907                 SSL_set_debug(con, 1);
2908                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2909                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2910                 }
2911         if (s_msg)
2912                 {
2913 #ifndef OPENSSL_NO_SSL_TRACE
2914                 if (s_msg == 2)
2915                         SSL_set_msg_callback(con, SSL_trace);
2916                 else
2917 #endif
2918                         SSL_set_msg_callback(con, msg_cb);
2919                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2920                 }
2921
2922         for (;;)
2923                 {
2924                 if (hack)
2925                         {
2926                         i=SSL_accept(con);
2927 #ifndef OPENSSL_NO_SRP
2928                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2929                 {
2930                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2931                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2932                         if (srp_callback_parm.user)
2933                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2934                         else
2935                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2936                         i=SSL_accept(con);
2937                 }
2938 #endif
2939                         switch (SSL_get_error(con,i))
2940                                 {
2941                         case SSL_ERROR_NONE:
2942                                 break;
2943                         case SSL_ERROR_WANT_WRITE:
2944                         case SSL_ERROR_WANT_READ:
2945                         case SSL_ERROR_WANT_X509_LOOKUP:
2946                                 continue;
2947                         case SSL_ERROR_SYSCALL:
2948                         case SSL_ERROR_SSL:
2949                         case SSL_ERROR_ZERO_RETURN:
2950                                 ret=1;
2951                                 goto err;
2952                                 /* break; */
2953                                 }
2954
2955                         SSL_renegotiate(con);
2956                         SSL_write(con,NULL,0);
2957                         }
2958
2959                 i=BIO_gets(io,buf,bufsize-1);
2960                 if (i < 0) /* error */
2961                         {
2962                         if (!BIO_should_retry(io))
2963                                 {
2964                                 if (!s_quiet)
2965                                         ERR_print_errors(bio_err);
2966                                 goto err;
2967                                 }
2968                         else
2969                                 {
2970                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2971 #if defined(OPENSSL_SYS_NETWARE)
2972             delay(1000);
2973 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2974                                 sleep(1);
2975 #endif
2976                                 continue;
2977                                 }
2978                         }
2979                 else if (i == 0) /* end of input */
2980                         {
2981                         ret=1;
2982                         goto end;
2983                         }
2984
2985                 /* else we have data */
2986                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2987                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2988                         {
2989                         char *p;
2990                         X509 *peer;
2991                         STACK_OF(SSL_CIPHER) *sk;
2992                         static const char *space="                          ";
2993
2994                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2995                         {
2996                         if (strncmp("GET /renegcert", buf, 14) == 0)
2997                                 SSL_set_verify(con,
2998                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2999                         i=SSL_renegotiate(con);
3000                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
3001                         i=SSL_do_handshake(con);
3002                         if (i <= 0)
3003                                 {
3004                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3005                                 ERR_print_errors(bio_err);
3006                                 goto err;
3007                                 }
3008                         /* EVIL HACK! */
3009                         SSL_set_state(con, SSL_ST_ACCEPT);
3010                         i=SSL_do_handshake(con);
3011                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
3012                         if (i <= 0)
3013                                 {
3014                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
3015                                 ERR_print_errors(bio_err);
3016                                 goto err;
3017                                 }
3018                         }
3019
3020                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3021                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
3022                         BIO_puts(io,"<pre>\n");
3023 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
3024                         BIO_puts(io,"\n");
3025                         for (i=0; i<local_argc; i++)
3026                                 {
3027                                 BIO_puts(io,local_argv[i]);
3028                                 BIO_write(io," ",1);
3029                                 }
3030                         BIO_puts(io,"\n");
3031
3032                         BIO_printf(io,
3033                                 "Secure Renegotiation IS%s supported\n",
3034                                 SSL_get_secure_renegotiation_support(con) ?
3035                                                         "" : " NOT");
3036
3037                         /* The following is evil and should not really
3038                          * be done */
3039                         BIO_printf(io,"Ciphers supported in s_server binary\n");
3040                         sk=SSL_get_ciphers(con);
3041                         j=sk_SSL_CIPHER_num(sk);
3042                         for (i=0; i<j; i++)
3043                                 {
3044                                 c=sk_SSL_CIPHER_value(sk,i);
3045                                 BIO_printf(io,"%-11s:%-25s",
3046                                         SSL_CIPHER_get_version(c),
3047                                         SSL_CIPHER_get_name(c));
3048                                 if ((((i+1)%2) == 0) && (i+1 != j))
3049                                         BIO_puts(io,"\n");
3050                                 }
3051                         BIO_puts(io,"\n");
3052                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3053                         if (p != NULL)
3054                                 {
3055                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3056                                 j=i=0;
3057                                 while (*p)
3058                                         {
3059                                         if (*p == ':')
3060                                                 {
3061                                                 BIO_write(io,space,26-j);
3062                                                 i++;
3063                                                 j=0;
3064                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3065                                                 }
3066                                         else
3067                                                 {
3068                                                 BIO_write(io,p,1);
3069                                                 j++;
3070                                                 }
3071                                         p++;
3072                                         }
3073                                 BIO_puts(io,"\n");
3074                                 }
3075                         ssl_print_sigalgs(io, con);
3076 #ifndef OPENSSL_NO_EC
3077                         ssl_print_curves(io, con, 0);
3078 #endif
3079                         BIO_printf(io,(SSL_cache_hit(con)
3080                                 ?"---\nReused, "
3081                                 :"---\nNew, "));
3082                         c=SSL_get_current_cipher(con);
3083                         BIO_printf(io,"%s, Cipher is %s\n",
3084                                 SSL_CIPHER_get_version(c),
3085                                 SSL_CIPHER_get_name(c));
3086                         SSL_SESSION_print(io,SSL_get_session(con));
3087                         BIO_printf(io,"---\n");
3088                         print_stats(io,SSL_get_SSL_CTX(con));
3089                         BIO_printf(io,"---\n");
3090                         peer=SSL_get_peer_certificate(con);
3091                         if (peer != NULL)
3092                                 {
3093                                 BIO_printf(io,"Client certificate\n");
3094                                 X509_print(io,peer);
3095                                 PEM_write_bio_X509(io,peer);
3096                                 }
3097                         else
3098                                 BIO_puts(io,"no client certificate available\n");
3099                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3100                         break;
3101                         }
3102                 else if ((www == 2 || www == 3)
3103                          && (strncmp("GET /",buf,5) == 0))
3104                         {
3105                         BIO *file;
3106                         char *p,*e;
3107                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3108
3109                         /* skip the '/' */
3110                         p= &(buf[5]);
3111
3112                         dot = 1;
3113                         for (e=p; *e != '\0'; e++)
3114                                 {
3115                                 if (e[0] == ' ')
3116                                         break;
3117
3118                                 switch (dot)
3119                                         {
3120                                 case 1:
3121                                         dot = (e[0] == '.') ? 2 : 0;
3122                                         break;
3123                                 case 2:
3124                                         dot = (e[0] == '.') ? 3 : 0;
3125                                         break;
3126                                 case 3:
3127                                         dot = (e[0] == '/') ? -1 : 0;
3128                                         break;
3129                                         }
3130                                 if (dot == 0)
3131                                         dot = (e[0] == '/') ? 1 : 0;
3132                                 }
3133                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3134
3135                         if (*e == '\0')
3136                                 {
3137                                 BIO_puts(io,text);
3138                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3139                                 break;
3140                                 }
3141                         *e='\0';
3142
3143                         if (dot)
3144                                 {
3145                                 BIO_puts(io,text);
3146                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3147                                 break;
3148                                 }
3149
3150                         if (*p == '/')
3151                                 {
3152                                 BIO_puts(io,text);
3153                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3154                                 break;
3155                                 }
3156
3157 #if 0
3158                         /* append if a directory lookup */
3159                         if (e[-1] == '/')
3160                                 strcat(p,"index.html");
3161 #endif
3162
3163                         /* if a directory, do the index thang */
3164                         if (app_isdir(p)>0)
3165                                 {
3166 #if 0 /* must check buffer size */
3167                                 strcat(p,"/index.html");
3168 #else
3169                                 BIO_puts(io,text);
3170                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3171                                 break;
3172 #endif
3173                                 }
3174
3175                         if ((file=BIO_new_file(p,"r")) == NULL)
3176                                 {
3177                                 BIO_puts(io,text);
3178                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3179                                 ERR_print_errors(io);
3180                                 break;
3181                                 }
3182
3183                         if (!s_quiet)
3184                                 BIO_printf(bio_err,"FILE:%s\n",p);
3185
3186                         if (www == 2)
3187                                 {
3188                                 i=strlen(p);
3189                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3190                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3191                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3192                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3193                                 else
3194                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3195                                 }
3196                         /* send the file */
3197                         for (;;)
3198                                 {
3199                                 i=BIO_read(file,buf,bufsize);
3200                                 if (i <= 0) break;
3201
3202 #ifdef RENEG
3203                                 total_bytes+=i;
3204                                 fprintf(stderr,"%d\n",i);
3205                                 if (total_bytes > 3*1024)
3206                                         {
3207                                         total_bytes=0;
3208                                         fprintf(stderr,"RENEGOTIATE\n");
3209                                         SSL_renegotiate(con);
3210                                         }
3211 #endif
3212
3213                                 for (j=0; j<i; )
3214                                         {
3215 #ifdef RENEG
3216 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3217 #endif
3218                                         k=BIO_write(io,&(buf[j]),i-j);
3219                                         if (k <= 0)
3220                                                 {
3221                                                 if (!BIO_should_retry(io))
3222                                                         goto write_error;
3223                                                 else
3224                                                         {
3225                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3226                                                         }
3227                                                 }
3228                                         else
3229                                                 {
3230                                                 j+=k;
3231                                                 }
3232                                         }
3233                                 }
3234 write_error:
3235                         BIO_free(file);
3236                         break;
3237                         }
3238                 }
3239
3240         for (;;)
3241                 {
3242                 i=(int)BIO_flush(io);
3243                 if (i <= 0)
3244                         {
3245                         if (!BIO_should_retry(io))
3246                                 break;
3247                         }
3248                 else
3249                         break;
3250                 }
3251 end:
3252 #if 1
3253         /* make sure we re-use sessions */
3254         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3255 #else
3256         /* This kills performance */
3257 /*      SSL_shutdown(con); A shutdown gets sent in the
3258  *      BIO_free_all(io) procession */
3259 #endif
3260
3261 err:
3262
3263         if (ret >= 0)
3264                 BIO_printf(bio_s_out,"ACCEPT\n");
3265
3266         if (buf != NULL) OPENSSL_free(buf);
3267         if (io != NULL) BIO_free_all(io);
3268 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3269         return(ret);
3270         }
3271
3272 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3273         {
3274         char *buf=NULL;
3275         int i;
3276         int ret=1;
3277         SSL *con;
3278         BIO *io,*ssl_bio,*sbio;
3279 #ifndef OPENSSL_NO_KRB5
3280         KSSL_CTX *kctx;
3281 #endif
3282
3283         buf=OPENSSL_malloc(bufsize);
3284         if (buf == NULL) return(0);
3285         io=BIO_new(BIO_f_buffer());
3286         ssl_bio=BIO_new(BIO_f_ssl());
3287         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3288
3289         /* lets make the output buffer a reasonable size */
3290         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3291
3292         if ((con=SSL_new(ctx)) == NULL) goto err;
3293 #ifndef OPENSSL_NO_TLSEXT
3294         if (s_tlsextdebug)
3295                 {
3296                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3297                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3298                 }
3299 #endif
3300 #ifndef OPENSSL_NO_KRB5
3301         if ((kctx = kssl_ctx_new()) != NULL)
3302                 {
3303                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3304                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3305                 }
3306 #endif  /* OPENSSL_NO_KRB5 */
3307         if(context) SSL_set_session_id_context(con, context,
3308                                                strlen((char *)context));
3309
3310         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3311         SSL_set_bio(con,sbio,sbio);
3312         SSL_set_accept_state(con);
3313
3314         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3315         BIO_push(io,ssl_bio);
3316 #ifdef CHARSET_EBCDIC
3317         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3318 #endif
3319
3320         if (s_debug)
3321                 {
3322                 SSL_set_debug(con, 1);
3323                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3324                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3325                 }
3326         if (s_msg)
3327                 {
3328 #ifndef OPENSSL_NO_SSL_TRACE
3329                 if (s_msg == 2)
3330                         SSL_set_msg_callback(con, SSL_trace);
3331                 else
3332 #endif
3333                         SSL_set_msg_callback(con, msg_cb);
3334                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3335                 }
3336
3337         for (;;)
3338                 {
3339                 i = BIO_do_handshake(io);
3340                 if (i > 0)
3341                         break;
3342                 if (!BIO_should_retry(io))
3343                         {
3344                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3345                         ERR_print_errors(bio_err);
3346                         goto end;
3347                         }
3348                 }
3349         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3350         print_ssl_summary(bio_err, con);
3351
3352         for (;;)
3353                 {
3354                 i=BIO_gets(io,buf,bufsize-1);
3355                 if (i < 0) /* error */
3356                         {
3357                         if (!BIO_should_retry(io))
3358                                 {
3359                                 if (!s_quiet)
3360                                         ERR_print_errors(bio_err);
3361                                 goto err;
3362                                 }
3363                         else
3364                                 {
3365                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3366 #if defined(OPENSSL_SYS_NETWARE)
3367             delay(1000);
3368 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3369                                 sleep(1);
3370 #endif
3371                                 continue;
3372                                 }
3373                         }
3374                 else if (i == 0) /* end of input */
3375                         {
3376                         ret=1;
3377                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3378                         goto end;
3379                         }
3380                 else
3381                         {
3382                         char *p = buf + i - 1;
3383                         while(i && (*p == '\n' || *p == '\r'))
3384                                 {
3385                                 p--;
3386                                 i--;
3387                                 }
3388                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3389                                 {
3390                                 ret = 1;
3391                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3392                                 goto end;
3393                                 }
3394                         BUF_reverse((unsigned char *)buf, NULL, i);
3395                         buf[i] = '\n';
3396                         BIO_write(io, buf, i + 1);
3397                         for (;;)
3398                                 {
3399                                 i = BIO_flush(io);
3400                                 if (i > 0)
3401                                         break;
3402                                 if (!BIO_should_retry(io))
3403                                         goto end;
3404                                 }
3405                         }
3406                 }
3407 end:
3408         /* make sure we re-use sessions */
3409         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3410
3411 err:
3412
3413         if (buf != NULL) OPENSSL_free(buf);
3414         if (io != NULL) BIO_free_all(io);
3415         return(ret);
3416         }
3417
3418 #ifndef OPENSSL_NO_RSA
3419 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3420         {
3421         BIGNUM *bn = NULL;
3422         static RSA *rsa_tmp=NULL;
3423
3424         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3425                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3426         if (!rsa_tmp && bn)
3427                 {
3428                 if (!s_quiet)
3429                         {
3430                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3431                         (void)BIO_flush(bio_err);
3432                         }
3433                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3434                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3435                         {
3436                         if(rsa_tmp) RSA_free(rsa_tmp);
3437                         rsa_tmp = NULL;
3438                         }
3439                 if (!s_quiet)
3440                         {
3441                         BIO_printf(bio_err,"\n");
3442                         (void)BIO_flush(bio_err);
3443                         }
3444                 BN_free(bn);
3445                 }
3446         return(rsa_tmp);
3447         }
3448 #endif
3449
3450 #define MAX_SESSION_ID_ATTEMPTS 10
3451 static int generate_session_id(const SSL *ssl, unsigned char *id,
3452                                 unsigned int *id_len)
3453         {
3454         unsigned int count = 0;
3455         do      {
3456                 RAND_pseudo_bytes(id, *id_len);
3457                 /* Prefix the session_id with the required prefix. NB: If our
3458                  * prefix is too long, clip it - but there will be worse effects
3459                  * anyway, eg. the server could only possibly create 1 session
3460                  * ID (ie. the prefix!) so all future session negotiations will
3461                  * fail due to conflicts. */
3462                 memcpy(id, session_id_prefix,
3463                         (strlen(session_id_prefix) < *id_len) ?
3464                         strlen(session_id_prefix) : *id_len);
3465                 }
3466         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3467                 (++count < MAX_SESSION_ID_ATTEMPTS));
3468         if(count >= MAX_SESSION_ID_ATTEMPTS)
3469                 return 0;
3470         return 1;
3471         }
3472
3473 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3474  * structures without any serialisation. This hides some bugs which only
3475  * become apparent in deployed servers. By implementing a basic external
3476  * session cache some issues can be debugged using s_server.
3477  */
3478
3479 typedef struct simple_ssl_session_st
3480         {
3481         unsigned char *id;
3482         unsigned int idlen;
3483         unsigned char *der;
3484         int derlen;
3485         struct simple_ssl_session_st *next;
3486         } simple_ssl_session;
3487
3488 static simple_ssl_session *first = NULL;
3489
3490 static int add_session(SSL *ssl, SSL_SESSION *session)
3491         {
3492         simple_ssl_session *sess;
3493         unsigned char *p;
3494
3495         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3496
3497         SSL_SESSION_get_id(session, &sess->idlen);
3498         sess->derlen = i2d_SSL_SESSION(session, NULL);
3499
3500         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3501
3502         sess->der = OPENSSL_malloc(sess->derlen);
3503         p = sess->der;
3504         i2d_SSL_SESSION(session, &p);
3505
3506         sess->next = first;
3507         first = sess;
3508         BIO_printf(bio_err, "New session added to external cache\n");
3509         return 0;
3510         }
3511
3512 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3513                                         int *do_copy)
3514         {
3515         simple_ssl_session *sess;
3516         *do_copy = 0;
3517         for (sess = first; sess; sess = sess->next)
3518                 {
3519                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3520                         {
3521                         const unsigned char *p = sess->der;
3522                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3523                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3524                         }
3525                 }
3526         BIO_printf(bio_err, "Lookup session: cache miss\n");
3527         return NULL;
3528         }
3529
3530 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3531         {
3532         simple_ssl_session *sess, *prev = NULL;
3533         const unsigned char *id;
3534         unsigned int idlen;
3535         id = SSL_SESSION_get_id(session, &idlen);
3536         for (sess = first; sess; sess = sess->next)
3537                 {
3538                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3539                         {
3540                         if(prev)
3541                                 prev->next = sess->next;
3542                         else
3543                                 first = sess->next;
3544                         OPENSSL_free(sess->id);
3545                         OPENSSL_free(sess->der);
3546                         OPENSSL_free(sess);
3547                         return;
3548                         }
3549                 prev = sess;
3550                 }
3551         }
3552
3553 static void init_session_cache_ctx(SSL_CTX *sctx)
3554         {
3555         SSL_CTX_set_session_cache_mode(sctx,
3556                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3557         SSL_CTX_sess_set_new_cb(sctx, add_session);
3558         SSL_CTX_sess_set_get_cb(sctx, get_session);
3559         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3560         }
3561
3562 static void free_sessions(void)
3563         {
3564         simple_ssl_session *sess, *tsess;
3565         for (sess = first; sess;)
3566                 {
3567                 OPENSSL_free(sess->id);
3568                 OPENSSL_free(sess->der);
3569                 tsess = sess;
3570                 sess = sess->next;
3571                 OPENSSL_free(tsess);
3572                 }
3573         first = NULL;
3574         }
3575
3576 #ifndef OPENSSL_NO_TLSEXT
3577 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
3578                            const unsigned char *in,
3579                            unsigned short inlen, int *al,
3580                            void *arg)
3581         {
3582         if (TLSEXT_TYPE_server_authz == ext_type)
3583                 client_provided_server_authz
3584                   = memchr(in,  TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
3585
3586         if (TLSEXT_TYPE_client_authz == ext_type)
3587                 client_provided_client_authz
3588                   = memchr(in, TLSEXT_AUTHZDATAFORMAT_dtcp, inlen) != NULL;
3589
3590         return 1;
3591         }
3592
3593 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
3594                                     const unsigned char **out, unsigned short *outlen,
3595                                     int *al, void *arg)
3596         {
3597         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3598                 {
3599                 /*if auth_require_reneg flag is set, only send extensions if
3600                   renegotiation has occurred */
3601                 if (!c_auth_require_reneg
3602                     || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3603                         {
3604                         *out = auth_ext_data;
3605                         *outlen = 1;
3606                         return 1;
3607                         }
3608                 }
3609         /* no auth extension to send */
3610         return -1;
3611         }
3612
3613 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
3614                        const unsigned char *in,
3615                        unsigned short inlen, int *al,
3616                        void *arg)
3617         {
3618         if (supp_data_type == TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
3619                 {
3620                 most_recent_supplemental_data = in;
3621                 most_recent_supplemental_data_length = inlen;
3622                 }
3623         return 1;
3624         }
3625
3626 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
3627                                      const unsigned char **out,
3628                                      unsigned short *outlen, int *al, void *arg)
3629         {
3630         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3631                 {
3632                 /*if auth_require_reneg flag is set, only send supplemental data if
3633                   renegotiation has occurred */
3634                 if (!c_auth_require_reneg
3635                     || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3636                         {
3637                         generated_supp_data = OPENSSL_malloc(10);
3638                         memcpy(generated_supp_data, "1234512345", 10);
3639                         *out = generated_supp_data;
3640                         *outlen = 10;
3641                         return 1;
3642                         }
3643                 }
3644         /* no supplemental data to send */
3645         return -1;
3646         }
3647 #endif
3648