apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
 208 static int www_body(char *hostname, int s, int stype, unsigned char *context);
 209 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
 210 static void close_accept_socket(void );
 211 static void sv_usage(void);
 212 static int init_ssl_connection(SSL *s);
 213 static void print_stats(BIO *bp,SSL_CTX *ctx);
 214 static int generate_session_id(const SSL *ssl, unsigned char *id,
 215                                 unsigned int *id_len);
 216 static void init_session_cache_ctx(SSL_CTX *sctx);
 217 static void free_sessions(void);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 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 const unsigned char *most_recent_supplemental_data;
 232 static size_t most_recent_supplemental_data_length;
 233
 234 static int client_provided_server_authz = 0;
 235 static int client_provided_client_authz = 0;
 236
 237 #endif
 238
 239 #ifndef OPENSSL_NO_DH
 240 static unsigned char dh512_p[]={
 241         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 242         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 243         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 244         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 245         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 246         0x47,0x74,0xE8,0x33,
 247         };
 248 static unsigned char dh512_g[]={
 249         0x02,
 250         };
 251
 252 static DH *get_dh512(void)
 253         {
 254         DH *dh=NULL;
 255
 256         if ((dh=DH_new()) == NULL) return(NULL);
 257         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 258         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 259         if ((dh->p == NULL) || (dh->g == NULL))
 260                 return(NULL);
 261         return(dh);
 262         }
 263 #endif
 264
 265
 266 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 267
 268 #undef BUFSIZZ
 269 #define BUFSIZZ 16*1024
 270 static int bufsize=BUFSIZZ;
 271 static int accept_socket= -1;
 272
 273 #define TEST_CERT       "server.pem"
 274 #ifndef OPENSSL_NO_TLSEXT
 275 #define TEST_CERT2      "server2.pem"
 276 #endif
 277 #undef PROG
 278 #define PROG            s_server_main
 279
 280 extern int verify_depth, verify_return_error, verify_quiet;
 281
 282 static int s_server_verify=SSL_VERIFY_NONE;
 283 static int s_server_session_id_context = 1; /* anything will do */
 284 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 285 #ifndef OPENSSL_NO_TLSEXT
 286 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 287 #endif
 288 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 289 #ifdef FIONBIO
 290 static int s_nbio=0;
 291 #endif
 292 static int s_nbio_test=0;
 293 int s_crlf=0;
 294 static SSL_CTX *ctx=NULL;
 295 #ifndef OPENSSL_NO_TLSEXT
 296 static SSL_CTX *ctx2=NULL;
 297 #endif
 298 static int www=0;
 299
 300 static BIO *bio_s_out=NULL;
 301 static BIO *bio_s_msg = NULL;
 302 static int s_debug=0;
 303 #ifndef OPENSSL_NO_TLSEXT
 304 static int s_tlsextdebug=0;
 305 static int s_tlsextstatus=0;
 306 static int cert_status_cb(SSL *s, void *arg);
 307 #endif
 308 static int no_resume_ephemeral = 0;
 309 static int s_msg=0;
 310 static int s_quiet=0;
 311 static int s_ign_eof=0;
 312 static int s_brief=0;
 313
 314 static char *keymatexportlabel=NULL;
 315 static int keymatexportlen=20;
 316
 317 static int hack=0;
 318 #ifndef OPENSSL_NO_ENGINE
 319 static char *engine_id=NULL;
 320 #endif
 321 static const char *session_id_prefix=NULL;
 322
 323 static int enable_timeouts = 0;
 324 static long socket_mtu;
 325 #ifndef OPENSSL_NO_DTLS1
 326 static int cert_chain = 0;
 327 #endif
 328
 329 #ifndef OPENSSL_NO_TLSEXT
 330 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
 331                        const unsigned char *in,
 332                        unsigned short inlen, int *al,
 333                        void *arg);
 334
 335 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
 336                                      const unsigned char **out,
 337                                      unsigned short *outlen, void *arg);
 338
 339 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
 340                                     const unsigned char **out, unsigned short *outlen,
 341                                     void *arg);
 342
 343 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
 344                            const unsigned char *in,
 345                            unsigned short inlen, int *al,
 346                            void *arg);
 347
 348 static BIO *serverinfo_in = NULL;
 349 static const char *s_serverinfo_file = NULL;
 350
 351 static int c_auth = 0;
 352 static int c_auth_require_reneg = 0;
 353 #endif
 354
 355 #ifndef OPENSSL_NO_PSK
 356 static char *psk_identity="Client_identity";
 357 char *psk_key=NULL; /* by default PSK is not used */
 358
 359 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 360         unsigned char *psk, unsigned int max_psk_len)
 361         {
 362         unsigned int psk_len = 0;
 363         int ret;
 364         BIGNUM *bn = NULL;
 365
 366         if (s_debug)
 367                 BIO_printf(bio_s_out,"psk_server_cb\n");
 368         if (!identity)
 369                 {
 370                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 371                 goto out_err;
 372                 }
 373         if (s_debug)
 374                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 375                         identity ? (int)strlen(identity) : 0, identity);
 376
 377         /* here we could lookup the given identity e.g. from a database */
 378         if (strcmp(identity, psk_identity) != 0)
 379                 {
 380                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 381                            " (got '%s' expected '%s')\n", identity,
 382                            psk_identity);
 383                 goto out_err;
 384                 }
 385         if (s_debug)
 386                 BIO_printf(bio_s_out, "PSK client identity found\n");
 387
 388         /* convert the PSK key to binary */
 389         ret = BN_hex2bn(&bn, psk_key);
 390         if (!ret)
 391                 {
 392                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 393                 if (bn)
 394                         BN_free(bn);
 395                 return 0;
 396                 }
 397         if (BN_num_bytes(bn) > (int)max_psk_len)
 398                 {
 399                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 400                         max_psk_len, BN_num_bytes(bn));
 401                 BN_free(bn);
 402                 return 0;
 403                 }
 404
 405         ret = BN_bn2bin(bn, psk);
 406         BN_free(bn);
 407
 408         if (ret < 0)
 409                 goto out_err;
 410         psk_len = (unsigned int)ret;
 411
 412         if (s_debug)
 413                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 414         return psk_len;
 415  out_err:
 416         if (s_debug)
 417                 BIO_printf(bio_err, "Error in PSK server callback\n");
 418         return 0;
 419         }
 420 #endif
 421
 422 #ifndef OPENSSL_NO_SRP
 423 /* This is a context that we pass to callbacks */
 424 typedef struct srpsrvparm_st
 425         {
 426         char *login;
 427         SRP_VBASE *vb;
 428         SRP_user_pwd *user;
 429         } srpsrvparm;
 430
 431 /* This callback pretends to require some asynchronous logic in order to obtain
 432    a verifier. When the callback is called for a new connection we return
 433    with a negative value. This will provoke the accept etc to return with
 434    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 435    (which would normally occur after a worker has finished) and we
 436    set the user parameters.
 437 */
 438 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 439         {
 440         srpsrvparm *p = (srpsrvparm *)arg;
 441         if (p->login == NULL && p->user == NULL )
 442                 {
 443                 p->login = SSL_get_srp_username(s);
 444                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 445                 return (-1) ;
 446                 }
 447
 448         if (p->user == NULL)
 449                 {
 450                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 451                 return SSL3_AL_FATAL;
 452                 }
 453         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 454                                      p->user->info) < 0)
 455                 {
 456                 *ad = SSL_AD_INTERNAL_ERROR;
 457                 return SSL3_AL_FATAL;
 458                 }
 459         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 460         /* need to check whether there are memory leaks */
 461         p->user = NULL;
 462         p->login = NULL;
 463         return SSL_ERROR_NONE;
 464         }
 465
 466 #endif
 467
 468 #ifdef MONOLITH
 469 static void s_server_init(void)
 470         {
 471         accept_socket=-1;
 472         s_server_verify=SSL_VERIFY_NONE;
 473         s_dcert_file=NULL;
 474         s_dkey_file=NULL;
 475         s_dchain_file=NULL;
 476         s_cert_file=TEST_CERT;
 477         s_key_file=NULL;
 478         s_chain_file=NULL;
 479 #ifndef OPENSSL_NO_TLSEXT
 480         s_cert_file2=TEST_CERT2;
 481         s_key_file2=NULL;
 482         ctx2=NULL;
 483 #endif
 484 #ifdef FIONBIO
 485         s_nbio=0;
 486 #endif
 487         s_nbio_test=0;
 488         ctx=NULL;
 489         www=0;
 490
 491         bio_s_out=NULL;
 492         s_debug=0;
 493         s_msg=0;
 494         s_quiet=0;
 495         s_brief=0;
 496         hack=0;
 497 #ifndef OPENSSL_NO_ENGINE
 498         engine_id=NULL;
 499 #endif
 500         }
 501 #endif
 502
 503 static void sv_usage(void)
 504         {
 505         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 506         BIO_printf(bio_err,"\n");
 507         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 508         BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
 509         BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
 510         BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
 511         BIO_printf(bio_err," -context arg  - set session ID context\n");
 512         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 513         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 514         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 515         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 516 #ifndef OPENSSL_NO_TLSEXT
 517         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 518         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 519         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 520 #endif
 521     BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 522         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 523                            "                 The CRL(s) are appended to the certificate file\n");
 524         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 525                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 526                            "                 the certificate file.\n");
 527         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 528         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 529         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 530         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 531         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 532         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 533         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 534         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 535         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 536         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 537         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 538         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 539 #ifndef OPENSSL_NO_ECDH
 540         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 541                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 542                            "                 (default is nistp256).\n");
 543 #endif
 544 #ifdef FIONBIO
 545         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 546 #endif
 547         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 548         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 549         BIO_printf(bio_err," -debug        - Print more output\n");
 550         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 551         BIO_printf(bio_err," -state        - Print the SSL states\n");
 552         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 553         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 554         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 555         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 556         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 557         BIO_printf(bio_err," -quiet        - No server output\n");
 558         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 559 #ifndef OPENSSL_NO_PSK
 560         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 561         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 562 # ifndef OPENSSL_NO_JPAKE
 563         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 564 # endif
 565 #endif
 566 #ifndef OPENSSL_NO_SRP
 567         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 568         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 569 #endif
 570         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 571         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 572         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 573         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 574         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 575         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 576         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 577         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 578         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 579         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 580         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 581         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 582         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 583         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 584         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 585 #ifndef OPENSSL_NO_DH
 586         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 587 #endif
 588 #ifndef OPENSSL_NO_ECDH
 589         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 590 #endif
 591         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 592         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 593         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 594         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 595         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 596 #ifndef OPENSSL_NO_ENGINE
 597         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 598 #endif
 599         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 600         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 601 #ifndef OPENSSL_NO_TLSEXT
 602         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 603         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 604         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 605         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 606         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 607         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 608         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 609         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 610         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 611 # ifndef OPENSSL_NO_NEXTPROTONEG
 612         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 613 # endif
 614         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 615         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 616 #endif
 617         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 618         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 619         }
 620
 621 static int local_argc=0;
 622 static char **local_argv;
 623
 624 #ifdef CHARSET_EBCDIC
 625 static int ebcdic_new(BIO *bi);
 626 static int ebcdic_free(BIO *a);
 627 static int ebcdic_read(BIO *b, char *out, int outl);
 628 static int ebcdic_write(BIO *b, const char *in, int inl);
 629 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 630 static int ebcdic_gets(BIO *bp, char *buf, int size);
 631 static int ebcdic_puts(BIO *bp, const char *str);
 632
 633 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 634 static BIO_METHOD methods_ebcdic=
 635         {
 636         BIO_TYPE_EBCDIC_FILTER,
 637         "EBCDIC/ASCII filter",
 638         ebcdic_write,
 639         ebcdic_read,
 640         ebcdic_puts,
 641         ebcdic_gets,
 642         ebcdic_ctrl,
 643         ebcdic_new,
 644         ebcdic_free,
 645         };
 646
 647 typedef struct
 648 {
 649         size_t  alloced;
 650         char    buff[1];
 651 } EBCDIC_OUTBUFF;
 652
 653 BIO_METHOD *BIO_f_ebcdic_filter()
 654 {
 655         return(&methods_ebcdic);
 656 }
 657
 658 static int ebcdic_new(BIO *bi)
 659 {
 660         EBCDIC_OUTBUFF *wbuf;
 661
 662         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 663         wbuf->alloced = 1024;
 664         wbuf->buff[0] = '\0';
 665
 666         bi->ptr=(char *)wbuf;
 667         bi->init=1;
 668         bi->flags=0;
 669         return(1);
 670 }
 671
 672 static int ebcdic_free(BIO *a)
 673 {
 674         if (a == NULL) return(0);
 675         if (a->ptr != NULL)
 676                 OPENSSL_free(a->ptr);
 677         a->ptr=NULL;
 678         a->init=0;
 679         a->flags=0;
 680         return(1);
 681 }
 682
 683 static int ebcdic_read(BIO *b, char *out, int outl)
 684 {
 685         int ret=0;
 686
 687         if (out == NULL || outl == 0) return(0);
 688         if (b->next_bio == NULL) return(0);
 689
 690         ret=BIO_read(b->next_bio,out,outl);
 691         if (ret > 0)
 692                 ascii2ebcdic(out,out,ret);
 693         return(ret);
 694 }
 695
 696 static int ebcdic_write(BIO *b, const char *in, int inl)
 697 {
 698         EBCDIC_OUTBUFF *wbuf;
 699         int ret=0;
 700         int num;
 701         unsigned char n;
 702
 703         if ((in == NULL) || (inl <= 0)) return(0);
 704         if (b->next_bio == NULL) return(0);
 705
 706         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 707
 708         if (inl > (num = wbuf->alloced))
 709         {
 710                 num = num + num;  /* double the size */
 711                 if (num < inl)
 712                         num = inl;
 713                 OPENSSL_free(wbuf);
 714                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 715
 716                 wbuf->alloced = num;
 717                 wbuf->buff[0] = '\0';
 718
 719                 b->ptr=(char *)wbuf;
 720         }
 721
 722         ebcdic2ascii(wbuf->buff, in, inl);
 723
 724         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 725
 726         return(ret);
 727 }
 728
 729 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 730 {
 731         long ret;
 732
 733         if (b->next_bio == NULL) return(0);
 734         switch (cmd)
 735         {
 736         case BIO_CTRL_DUP:
 737                 ret=0L;
 738                 break;
 739         default:
 740                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 741                 break;
 742         }
 743         return(ret);
 744 }
 745
 746 static int ebcdic_gets(BIO *bp, char *buf, int size)
 747 {
 748         int i, ret=0;
 749         if (bp->next_bio == NULL) return(0);
 750 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 751         for (i=0; i<size-1; ++i)
 752         {
 753                 ret = ebcdic_read(bp,&buf[i],1);
 754                 if (ret <= 0)
 755                         break;
 756                 else if (buf[i] == '\n')
 757                 {
 758                         ++i;
 759                         break;
 760                 }
 761         }
 762         if (i < size)
 763                 buf[i] = '\0';
 764         return (ret < 0 && i == 0) ? ret : i;
 765 }
 766
 767 static int ebcdic_puts(BIO *bp, const char *str)
 768 {
 769         if (bp->next_bio == NULL) return(0);
 770         return ebcdic_write(bp, str, strlen(str));
 771 }
 772 #endif
 773
 774 #ifndef OPENSSL_NO_TLSEXT
 775
 776 /* This is a context that we pass to callbacks */
 777 typedef struct tlsextctx_st {
 778    char * servername;
 779    BIO * biodebug;
 780    int extension_error;
 781 } tlsextctx;
 782
 783
 784 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 785         {
 786         tlsextctx * p = (tlsextctx *) arg;
 787         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 788         if (servername && p->biodebug)
 789                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 790
 791         if (!p->servername)
 792                 return SSL_TLSEXT_ERR_NOACK;
 793
 794         if (servername)
 795                 {
 796                 if (strcmp(servername,p->servername))
 797                         return p->extension_error;
 798                 if (ctx2)
 799                         {
 800                         BIO_printf(p->biodebug,"Switching server context.\n");
 801                         SSL_set_SSL_CTX(s,ctx2);
 802                         }
 803                 }
 804         return SSL_TLSEXT_ERR_OK;
 805 }
 806
 807 /* Structure passed to cert status callback */
 808
 809 typedef struct tlsextstatusctx_st {
 810    /* Default responder to use */
 811    char *host, *path, *port;
 812    int use_ssl;
 813    int timeout;
 814    BIO *err;
 815    int verbose;
 816 } tlsextstatusctx;
 817
 818 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 819
 820 /* Certificate Status callback. This is called when a client includes a
 821  * certificate status request extension.
 822  *
 823  * This is a simplified version. It examines certificates each time and
 824  * makes one OCSP responder query for each request.
 825  *
 826  * A full version would store details such as the OCSP certificate IDs and
 827  * minimise the number of OCSP responses by caching them until they were
 828  * considered "expired".
 829  */
 830
 831 static int cert_status_cb(SSL *s, void *arg)
 832         {
 833         tlsextstatusctx *srctx = arg;
 834         BIO *err = srctx->err;
 835         char *host, *port, *path;
 836         int use_ssl;
 837         unsigned char *rspder = NULL;
 838         int rspderlen;
 839         STACK_OF(OPENSSL_STRING) *aia = NULL;
 840         X509 *x = NULL;
 841         X509_STORE_CTX inctx;
 842         X509_OBJECT obj;
 843         OCSP_REQUEST *req = NULL;
 844         OCSP_RESPONSE *resp = NULL;
 845         OCSP_CERTID *id = NULL;
 846         STACK_OF(X509_EXTENSION) *exts;
 847         int ret = SSL_TLSEXT_ERR_NOACK;
 848         int i;
 849 #if 0
 850 STACK_OF(OCSP_RESPID) *ids;
 851 SSL_get_tlsext_status_ids(s, &ids);
 852 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 853 #endif
 854         if (srctx->verbose)
 855                 BIO_puts(err, "cert_status: callback called\n");
 856         /* Build up OCSP query from server certificate */
 857         x = SSL_get_certificate(s);
 858         aia = X509_get1_ocsp(x);
 859         if (aia)
 860                 {
 861                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 862                         &host, &port, &path, &use_ssl))
 863                         {
 864                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 865                         goto err;
 866                         }
 867                 if (srctx->verbose)
 868                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 869                                         sk_OPENSSL_STRING_value(aia, 0));
 870                 }
 871         else
 872                 {
 873                 if (!srctx->host)
 874                         {
 875                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 876                         goto done;
 877                         }
 878                 host = srctx->host;
 879                 path = srctx->path;
 880                 port = srctx->port;
 881                 use_ssl = srctx->use_ssl;
 882                 }
 883
 884         if (!X509_STORE_CTX_init(&inctx,
 885                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 886                                 NULL, NULL))
 887                 goto err;
 888         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 889                                 X509_get_issuer_name(x),&obj) <= 0)
 890                 {
 891                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 892                 X509_STORE_CTX_cleanup(&inctx);
 893                 goto done;
 894                 }
 895         req = OCSP_REQUEST_new();
 896         if (!req)
 897                 goto err;
 898         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 899         X509_free(obj.data.x509);
 900         X509_STORE_CTX_cleanup(&inctx);
 901         if (!id)
 902                 goto err;
 903         if (!OCSP_request_add0_id(req, id))
 904                 goto err;
 905         id = NULL;
 906         /* Add any extensions to the request */
 907         SSL_get_tlsext_status_exts(s, &exts);
 908         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 909                 {
 910                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 911                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 912                         goto err;
 913                 }
 914         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 915                                         srctx->timeout);
 916         if (!resp)
 917                 {
 918                 BIO_puts(err, "cert_status: error querying responder\n");
 919                 goto done;
 920                 }
 921         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 922         if (rspderlen <= 0)
 923                 goto err;
 924         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 925         if (srctx->verbose)
 926                 {
 927                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 928                 OCSP_RESPONSE_print(err, resp, 2);
 929                 }
 930         ret = SSL_TLSEXT_ERR_OK;
 931         done:
 932         if (ret != SSL_TLSEXT_ERR_OK)
 933                 ERR_print_errors(err);
 934         if (aia)
 935                 {
 936                 OPENSSL_free(host);
 937                 OPENSSL_free(path);
 938                 OPENSSL_free(port);
 939                 X509_email_free(aia);
 940                 }
 941         if (id)
 942                 OCSP_CERTID_free(id);
 943         if (req)
 944                 OCSP_REQUEST_free(req);
 945         if (resp)
 946                 OCSP_RESPONSE_free(resp);
 947         return ret;
 948         err:
 949         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 950         goto done;
 951         }
 952
 953 # ifndef OPENSSL_NO_NEXTPROTONEG
 954 /* This is the context that we pass to next_proto_cb */
 955 typedef struct tlsextnextprotoctx_st {
 956         unsigned char *data;
 957         unsigned int len;
 958 } tlsextnextprotoctx;
 959
 960 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 961         {
 962         tlsextnextprotoctx *next_proto = arg;
 963
 964         *data = next_proto->data;
 965         *len = next_proto->len;
 966
 967         return SSL_TLSEXT_ERR_OK;
 968         }
 969 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 970
 971 /* This the context that we pass to alpn_cb */
 972 typedef struct tlsextalpnctx_st {
 973         unsigned char *data;
 974         unsigned short len;
 975 } tlsextalpnctx;
 976
 977 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 978         {
 979         tlsextalpnctx *alpn_ctx = arg;
 980
 981         if (!s_quiet)
 982                 {
 983                 /* We can assume that |in| is syntactically valid. */
 984                 unsigned i;
 985                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 986                 for (i = 0; i < inlen; )
 987                         {
 988                         if (i)
 989                                 BIO_write(bio_s_out, ", ", 2);
 990                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 991                         i += in[i] + 1;
 992                         }
 993                 BIO_write(bio_s_out, "\n", 1);
 994                 }
 995
 996         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 997             OPENSSL_NPN_NEGOTIATED)
 998                 {
 999                 return SSL_TLSEXT_ERR_NOACK;
1000                 }
1001
1002         if (!s_quiet)
1003                 {
1004                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
1005                 BIO_write(bio_s_out, *out, *outlen);
1006                 BIO_write(bio_s_out, "\n", 1);
1007                 }
1008
1009         return SSL_TLSEXT_ERR_OK;
1010         }
1011 #endif  /* ndef OPENSSL_NO_TLSEXT */
1012
1013 int MAIN(int, char **);
1014
1015 #ifndef OPENSSL_NO_JPAKE
1016 static char *jpake_secret = NULL;
1017 #define no_jpake !jpake_secret
1018 #else
1019 #define no_jpake 1
1020 #endif
1021 #ifndef OPENSSL_NO_SRP
1022         static srpsrvparm srp_callback_parm;
1023 #endif
1024 static char *srtp_profiles = NULL;
1025
1026 int MAIN(int argc, char *argv[])
1027         {
1028         X509_VERIFY_PARAM *vpm = NULL;
1029         int badarg = 0;
1030         short port=PORT;
1031         char *CApath=NULL,*CAfile=NULL;
1032         char *chCApath=NULL,*chCAfile=NULL;
1033         char *vfyCApath=NULL,*vfyCAfile=NULL;
1034         unsigned char *context = NULL;
1035         char *dhfile = NULL;
1036         int badop=0;
1037         int ret=1;
1038         int build_chain = 0;
1039         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1040         int state=0;
1041         const SSL_METHOD *meth=NULL;
1042         int socket_type=SOCK_STREAM;
1043         ENGINE *e=NULL;
1044         char *inrand=NULL;
1045         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1046         char *passarg = NULL, *pass = NULL;
1047         char *dpassarg = NULL, *dpass = NULL;
1048         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1049         X509 *s_cert = NULL, *s_dcert = NULL;
1050         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1051         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1052         int no_cache = 0, ext_cache = 0;
1053         int rev = 0, naccept = -1;
1054     int c_no_resumption_on_reneg = 0;
1055 #ifndef OPENSSL_NO_TLSEXT
1056         EVP_PKEY *s_key2 = NULL;
1057         X509 *s_cert2 = NULL;
1058         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1059 # ifndef OPENSSL_NO_NEXTPROTONEG
1060         const char *next_proto_neg_in = NULL;
1061         tlsextnextprotoctx next_proto = { NULL, 0};
1062 # endif
1063         const char *alpn_in = NULL;
1064         tlsextalpnctx alpn_ctx = { NULL, 0};
1065 #endif
1066 #ifndef OPENSSL_NO_PSK
1067         /* by default do not send a PSK identity hint */
1068         static char *psk_identity_hint=NULL;
1069 #endif
1070 #ifndef OPENSSL_NO_SRP
1071         char *srpuserseed = NULL;
1072         char *srp_verifier_file = NULL;
1073 #endif
1074         SSL_EXCERT *exc = NULL;
1075         SSL_CONF_CTX *cctx = NULL;
1076         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1077
1078         char *crl_file = NULL;
1079         int crl_format = FORMAT_PEM;
1080         int crl_download = 0;
1081         STACK_OF(X509_CRL) *crls = NULL;
1082
1083         meth=SSLv23_server_method();
1084
1085         local_argc=argc;
1086         local_argv=argv;
1087
1088         apps_startup();
1089 #ifdef MONOLITH
1090         s_server_init();
1091 #endif
1092
1093         if (bio_err == NULL)
1094                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1095
1096         if (!load_config(bio_err, NULL))
1097                 goto end;
1098
1099         cctx = SSL_CONF_CTX_new();
1100         if (!cctx)
1101                 goto end;
1102         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1103         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1104
1105         verify_depth=0;
1106 #ifdef FIONBIO
1107         s_nbio=0;
1108 #endif
1109         s_nbio_test=0;
1110
1111         argc--;
1112         argv++;
1113
1114         while (argc >= 1)
1115                 {
1116                 if      ((strcmp(*argv,"-port") == 0) ||
1117                          (strcmp(*argv,"-accept") == 0))
1118                         {
1119                         if (--argc < 1) goto bad;
1120                         if (!extract_port(*(++argv),&port))
1121                                 goto bad;
1122                         }
1123                 else if (strcmp(*argv,"-naccept") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         naccept = atol(*(++argv));
1127                         if (naccept <= 0)
1128                                 {
1129                                 BIO_printf(bio_err, "bad accept value %s\n",
1130                                                         *argv);
1131                                 goto bad;
1132                                 }
1133                         }
1134                 else if (strcmp(*argv,"-verify") == 0)
1135                         {
1136                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1137                         if (--argc < 1) goto bad;
1138                         verify_depth=atoi(*(++argv));
1139                         if (!s_quiet)
1140                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1141                         }
1142                 else if (strcmp(*argv,"-Verify") == 0)
1143                         {
1144                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1145                                 SSL_VERIFY_CLIENT_ONCE;
1146                         if (--argc < 1) goto bad;
1147                         verify_depth=atoi(*(++argv));
1148                         if (!s_quiet)
1149                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1150                         }
1151                 else if (strcmp(*argv,"-context") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         context= (unsigned char *)*(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-cert") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         s_cert_file= *(++argv);
1160                         }
1161                 else if (strcmp(*argv,"-CRL") == 0)
1162                         {
1163                         if (--argc < 1) goto bad;
1164                         crl_file= *(++argv);
1165                         }
1166                 else if (strcmp(*argv,"-crl_download") == 0)
1167                         crl_download = 1;
1168 #ifndef OPENSSL_NO_TLSEXT
1169                 else if (strcmp(*argv,"-serverinfo") == 0)
1170                         {
1171                         if (--argc < 1) goto bad;
1172                         s_serverinfo_file = *(++argv);
1173                         }
1174                 else if (strcmp(*argv,"-auth") == 0)
1175                         {
1176                         c_auth = 1;
1177                         }
1178 #endif
1179                 else if (strcmp(*argv, "-no_resumption_on_reneg") == 0)
1180                         {
1181                         c_no_resumption_on_reneg = 1;
1182                         }
1183                 else if (strcmp(*argv,"-auth_require_reneg") == 0)
1184                         {
1185                         c_auth_require_reneg = 1;
1186                         }
1187                 else if (strcmp(*argv,"-certform") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         s_cert_format = str2fmt(*(++argv));
1191                         }
1192                 else if (strcmp(*argv,"-key") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         s_key_file= *(++argv);
1196                         }
1197                 else if (strcmp(*argv,"-keyform") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         s_key_format = str2fmt(*(++argv));
1201                         }
1202                 else if (strcmp(*argv,"-pass") == 0)
1203                         {
1204                         if (--argc < 1) goto bad;
1205                         passarg = *(++argv);
1206                         }
1207                 else if (strcmp(*argv,"-cert_chain") == 0)
1208                         {
1209                         if (--argc < 1) goto bad;
1210                         s_chain_file= *(++argv);
1211                         }
1212                 else if (strcmp(*argv,"-dhparam") == 0)
1213                         {
1214                         if (--argc < 1) goto bad;
1215                         dhfile = *(++argv);
1216                         }
1217                 else if (strcmp(*argv,"-dcertform") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         s_dcert_format = str2fmt(*(++argv));
1221                         }
1222                 else if (strcmp(*argv,"-dcert") == 0)
1223                         {
1224                         if (--argc < 1) goto bad;
1225                         s_dcert_file= *(++argv);
1226                         }
1227                 else if (strcmp(*argv,"-dkeyform") == 0)
1228                         {
1229                         if (--argc < 1) goto bad;
1230                         s_dkey_format = str2fmt(*(++argv));
1231                         }
1232                 else if (strcmp(*argv,"-dpass") == 0)
1233                         {
1234                         if (--argc < 1) goto bad;
1235                         dpassarg = *(++argv);
1236                         }
1237                 else if (strcmp(*argv,"-dkey") == 0)
1238                         {
1239                         if (--argc < 1) goto bad;
1240                         s_dkey_file= *(++argv);
1241                         }
1242                 else if (strcmp(*argv,"-dcert_chain") == 0)
1243                         {
1244                         if (--argc < 1) goto bad;
1245                         s_dchain_file= *(++argv);
1246                         }
1247                 else if (strcmp(*argv,"-nocert") == 0)
1248                         {
1249                         nocert=1;
1250                         }
1251                 else if (strcmp(*argv,"-CApath") == 0)
1252                         {
1253                         if (--argc < 1) goto bad;
1254                         CApath= *(++argv);
1255                         }
1256                 else if (strcmp(*argv,"-chainCApath") == 0)
1257                         {
1258                         if (--argc < 1) goto bad;
1259                         chCApath= *(++argv);
1260                         }
1261                 else if (strcmp(*argv,"-verifyCApath") == 0)
1262                         {
1263                         if (--argc < 1) goto bad;
1264                         vfyCApath= *(++argv);
1265                         }
1266                 else if (strcmp(*argv,"-no_cache") == 0)
1267                         no_cache = 1;
1268                 else if (strcmp(*argv,"-ext_cache") == 0)
1269                         ext_cache = 1;
1270                 else if (strcmp(*argv,"-CRLform") == 0)
1271                         {
1272                         if (--argc < 1) goto bad;
1273                         crl_format = str2fmt(*(++argv));
1274                         }
1275                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1276                         {
1277                         if (badarg)
1278                                 goto bad;
1279                         continue;
1280                         }
1281                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1282                         {
1283                         if (badarg)
1284                                 goto bad;
1285                         continue;
1286                         }
1287                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1288                         {
1289                         if (badarg)
1290                                 goto bad;
1291                         continue;
1292                         }
1293                 else if (strcmp(*argv,"-verify_return_error") == 0)
1294                         verify_return_error = 1;
1295                 else if (strcmp(*argv,"-verify_quiet") == 0)
1296                         verify_quiet = 1;
1297                 else if (strcmp(*argv,"-build_chain") == 0)
1298                         build_chain = 1;
1299                 else if (strcmp(*argv,"-CAfile") == 0)
1300                         {
1301                         if (--argc < 1) goto bad;
1302                         CAfile= *(++argv);
1303                         }
1304                 else if (strcmp(*argv,"-chainCAfile") == 0)
1305                         {
1306                         if (--argc < 1) goto bad;
1307                         chCAfile= *(++argv);
1308                         }
1309                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1310                         {
1311                         if (--argc < 1) goto bad;
1312                         vfyCAfile= *(++argv);
1313                         }
1314 #ifdef FIONBIO
1315                 else if (strcmp(*argv,"-nbio") == 0)
1316                         { s_nbio=1; }
1317 #endif
1318                 else if (strcmp(*argv,"-nbio_test") == 0)
1319                         {
1320 #ifdef FIONBIO
1321                         s_nbio=1;
1322 #endif
1323                         s_nbio_test=1;
1324                         }
1325                 else if (strcmp(*argv,"-ign_eof") == 0)
1326                         s_ign_eof=1;
1327                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1328                         s_ign_eof=0;
1329                 else if (strcmp(*argv,"-debug") == 0)
1330                         { s_debug=1; }
1331 #ifndef OPENSSL_NO_TLSEXT
1332                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1333                         s_tlsextdebug=1;
1334                 else if (strcmp(*argv,"-status") == 0)
1335                         s_tlsextstatus=1;
1336                 else if (strcmp(*argv,"-status_verbose") == 0)
1337                         {
1338                         s_tlsextstatus=1;
1339                         tlscstatp.verbose = 1;
1340                         }
1341                 else if (!strcmp(*argv, "-status_timeout"))
1342                         {
1343                         s_tlsextstatus=1;
1344                         if (--argc < 1) goto bad;
1345                         tlscstatp.timeout = atoi(*(++argv));
1346                         }
1347                 else if (!strcmp(*argv, "-status_url"))
1348                         {
1349                         s_tlsextstatus=1;
1350                         if (--argc < 1) goto bad;
1351                         if (!OCSP_parse_url(*(++argv),
1352                                         &tlscstatp.host,
1353                                         &tlscstatp.port,
1354                                         &tlscstatp.path,
1355                                         &tlscstatp.use_ssl))
1356                                 {
1357                                 BIO_printf(bio_err, "Error parsing URL\n");
1358                                 goto bad;
1359                                 }
1360                         }
1361 #endif
1362                 else if (strcmp(*argv,"-msg") == 0)
1363                         { s_msg=1; }
1364                 else if (strcmp(*argv,"-msgfile") == 0)
1365                         {
1366                         if (--argc < 1) goto bad;
1367                         bio_s_msg = BIO_new_file(*(++argv), "w");
1368                         }
1369 #ifndef OPENSSL_NO_SSL_TRACE
1370                 else if (strcmp(*argv,"-trace") == 0)
1371                         { s_msg=2; }
1372 #endif
1373                 else if (strcmp(*argv,"-hack") == 0)
1374                         { hack=1; }
1375                 else if (strcmp(*argv,"-state") == 0)
1376                         { state=1; }
1377                 else if (strcmp(*argv,"-crlf") == 0)
1378                         { s_crlf=1; }
1379                 else if (strcmp(*argv,"-quiet") == 0)
1380                         { s_quiet=1; }
1381                 else if (strcmp(*argv,"-brief") == 0)
1382                         {
1383                         s_quiet=1;
1384                         s_brief=1;
1385                         verify_quiet=1;
1386                         }
1387                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1388                         { no_tmp_rsa=1; }
1389                 else if (strcmp(*argv,"-no_dhe") == 0)
1390                         { no_dhe=1; }
1391                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1392                         { no_ecdhe=1; }
1393                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1394                         { no_resume_ephemeral = 1; }
1395 #ifndef OPENSSL_NO_PSK
1396                 else if (strcmp(*argv,"-psk_hint") == 0)
1397                         {
1398                         if (--argc < 1) goto bad;
1399                         psk_identity_hint= *(++argv);
1400                         }
1401                 else if (strcmp(*argv,"-psk") == 0)
1402                         {
1403                         size_t i;
1404
1405                         if (--argc < 1) goto bad;
1406                         psk_key=*(++argv);
1407                         for (i=0; i<strlen(psk_key); i++)
1408                                 {
1409                                 if (isxdigit((unsigned char)psk_key[i]))
1410                                         continue;
1411                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1412                                 goto bad;
1413                                 }
1414                         }
1415 #endif
1416 #ifndef OPENSSL_NO_SRP
1417                 else if (strcmp(*argv, "-srpvfile") == 0)
1418                         {
1419                         if (--argc < 1) goto bad;
1420                         srp_verifier_file = *(++argv);
1421                         meth = TLSv1_server_method();
1422                         }
1423                 else if (strcmp(*argv, "-srpuserseed") == 0)
1424                         {
1425                         if (--argc < 1) goto bad;
1426                         srpuserseed = *(++argv);
1427                         meth = TLSv1_server_method();
1428                         }
1429 #endif
1430                 else if (strcmp(*argv,"-rev") == 0)
1431                         { rev=1; }
1432                 else if (strcmp(*argv,"-www") == 0)
1433                         { www=1; }
1434                 else if (strcmp(*argv,"-WWW") == 0)
1435                         { www=2; }
1436                 else if (strcmp(*argv,"-HTTP") == 0)
1437                         { www=3; }
1438 #ifndef OPENSSL_NO_SSL2
1439                 else if (strcmp(*argv,"-ssl2") == 0)
1440                         { meth=SSLv2_server_method(); }
1441 #endif
1442 #ifndef OPENSSL_NO_SSL3
1443                 else if (strcmp(*argv,"-ssl3") == 0)
1444                         { meth=SSLv3_server_method(); }
1445 #endif
1446 #ifndef OPENSSL_NO_TLS1
1447                 else if (strcmp(*argv,"-tls1") == 0)
1448                         { meth=TLSv1_server_method(); }
1449                 else if (strcmp(*argv,"-tls1_1") == 0)
1450                         { meth=TLSv1_1_server_method(); }
1451                 else if (strcmp(*argv,"-tls1_2") == 0)
1452                         { meth=TLSv1_2_server_method(); }
1453 #endif
1454 #ifndef OPENSSL_NO_DTLS1
1455                 else if (strcmp(*argv,"-dtls") == 0)
1456                         {
1457                         meth=DTLS_server_method();
1458                         socket_type = SOCK_DGRAM;
1459                         }
1460                 else if (strcmp(*argv,"-dtls1") == 0)
1461                         {
1462                         meth=DTLSv1_server_method();
1463                         socket_type = SOCK_DGRAM;
1464                         }
1465                 else if (strcmp(*argv,"-dtls1_2") == 0)
1466                         {
1467                         meth=DTLSv1_2_server_method();
1468                         socket_type = SOCK_DGRAM;
1469                         }
1470                 else if (strcmp(*argv,"-timeout") == 0)
1471                         enable_timeouts = 1;
1472                 else if (strcmp(*argv,"-mtu") == 0)
1473                         {
1474                         if (--argc < 1) goto bad;
1475                         socket_mtu = atol(*(++argv));
1476                         }
1477                 else if (strcmp(*argv, "-chain") == 0)
1478                         cert_chain = 1;
1479 #endif
1480                 else if (strcmp(*argv, "-id_prefix") == 0)
1481                         {
1482                         if (--argc < 1) goto bad;
1483                         session_id_prefix = *(++argv);
1484                         }
1485 #ifndef OPENSSL_NO_ENGINE
1486                 else if (strcmp(*argv,"-engine") == 0)
1487                         {
1488                         if (--argc < 1) goto bad;
1489                         engine_id= *(++argv);
1490                         }
1491 #endif
1492                 else if (strcmp(*argv,"-rand") == 0)
1493                         {
1494                         if (--argc < 1) goto bad;
1495                         inrand= *(++argv);
1496                         }
1497 #ifndef OPENSSL_NO_TLSEXT
1498                 else if (strcmp(*argv,"-servername") == 0)
1499                         {
1500                         if (--argc < 1) goto bad;
1501                         tlsextcbp.servername= *(++argv);
1502                         }
1503                 else if (strcmp(*argv,"-servername_fatal") == 0)
1504                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1505                 else if (strcmp(*argv,"-cert2") == 0)
1506                         {
1507                         if (--argc < 1) goto bad;
1508                         s_cert_file2= *(++argv);
1509                         }
1510                 else if (strcmp(*argv,"-key2") == 0)
1511                         {
1512                         if (--argc < 1) goto bad;
1513                         s_key_file2= *(++argv);
1514                         }
1515 # ifndef OPENSSL_NO_NEXTPROTONEG
1516                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1517                         {
1518                         if (--argc < 1) goto bad;
1519                         next_proto_neg_in = *(++argv);
1520                         }
1521 # endif
1522                 else if (strcmp(*argv,"-alpn") == 0)
1523                         {
1524                         if (--argc < 1) goto bad;
1525                         alpn_in = *(++argv);
1526                         }
1527 #endif
1528 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1529                 else if (strcmp(*argv,"-jpake") == 0)
1530                         {
1531                         if (--argc < 1) goto bad;
1532                         jpake_secret = *(++argv);
1533                         }
1534 #endif
1535                 else if (strcmp(*argv,"-use_srtp") == 0)
1536                         {
1537                         if (--argc < 1) goto bad;
1538                         srtp_profiles = *(++argv);
1539                         }
1540                 else if (strcmp(*argv,"-keymatexport") == 0)
1541                         {
1542                         if (--argc < 1) goto bad;
1543                         keymatexportlabel= *(++argv);
1544                         }
1545                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1546                         {
1547                         if (--argc < 1) goto bad;
1548                         keymatexportlen=atoi(*(++argv));
1549                         if (keymatexportlen == 0) goto bad;
1550                         }
1551                 else
1552                         {
1553                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1554                         badop=1;
1555                         break;
1556                         }
1557                 argc--;
1558                 argv++;
1559                 }
1560         if (badop)
1561                 {
1562 bad:
1563                 sv_usage();
1564                 goto end;
1565                 }
1566
1567 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1568         if (jpake_secret)
1569                 {
1570                 if (psk_key)
1571                         {
1572                         BIO_printf(bio_err,
1573                                    "Can't use JPAKE and PSK together\n");
1574                         goto end;
1575                         }
1576                 psk_identity = "JPAKE";
1577                 }
1578 #endif
1579
1580         SSL_load_error_strings();
1581         OpenSSL_add_ssl_algorithms();
1582
1583 #ifndef OPENSSL_NO_ENGINE
1584         e = setup_engine(bio_err, engine_id, 1);
1585 #endif
1586
1587         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1588                 {
1589                 BIO_printf(bio_err, "Error getting password\n");
1590                 goto end;
1591                 }
1592
1593
1594         if (s_key_file == NULL)
1595                 s_key_file = s_cert_file;
1596 #ifndef OPENSSL_NO_TLSEXT
1597         if (s_key_file2 == NULL)
1598                 s_key_file2 = s_cert_file2;
1599 #endif
1600
1601         if (!load_excert(&exc, bio_err))
1602                 goto end;
1603
1604         if (nocert == 0)
1605                 {
1606                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1607                        "server certificate private key file");
1608                 if (!s_key)
1609                         {
1610                         ERR_print_errors(bio_err);
1611                         goto end;
1612                         }
1613
1614                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1615                         NULL, e, "server certificate file");
1616
1617                 if (!s_cert)
1618                         {
1619                         ERR_print_errors(bio_err);
1620                         goto end;
1621                         }
1622                 if (s_chain_file)
1623                         {
1624                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1625                                         NULL, e, "server certificate chain");
1626                         if (!s_chain)
1627                                 goto end;
1628                         }
1629
1630 #ifndef OPENSSL_NO_TLSEXT
1631                 if (tlsextcbp.servername)
1632                         {
1633                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1634                                 "second server certificate private key file");
1635                         if (!s_key2)
1636                                 {
1637                                 ERR_print_errors(bio_err);
1638                                 goto end;
1639                                 }
1640
1641                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1642                                 NULL, e, "second server certificate file");
1643
1644                         if (!s_cert2)
1645                                 {
1646                                 ERR_print_errors(bio_err);
1647                                 goto end;
1648                                 }
1649                         }
1650 #endif /* OPENSSL_NO_TLSEXT */
1651                 }
1652
1653 #if !defined(OPENSSL_NO_TLSEXT)
1654 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1655         if (next_proto_neg_in)
1656                 {
1657                 unsigned short len;
1658                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1659                 if (next_proto.data == NULL)
1660                         goto end;
1661                 next_proto.len = len;
1662                 }
1663         else
1664                 {
1665                 next_proto.data = NULL;
1666                 }
1667 # endif
1668         alpn_ctx.data = NULL;
1669         if (alpn_in)
1670                 {
1671                 unsigned short len;
1672                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1673                 if (alpn_ctx.data == NULL)
1674                         goto end;
1675                 alpn_ctx.len = len;
1676                 }
1677 #endif
1678
1679         if (crl_file)
1680                 {
1681                 X509_CRL *crl;
1682                 crl = load_crl(crl_file, crl_format);
1683                 if (!crl)
1684                         {
1685                         BIO_puts(bio_err, "Error loading CRL\n");
1686                         ERR_print_errors(bio_err);
1687                         goto end;
1688                         }
1689                 crls = sk_X509_CRL_new_null();
1690                 if (!crls || !sk_X509_CRL_push(crls, crl))
1691                         {
1692                         BIO_puts(bio_err, "Error adding CRL\n");
1693                         ERR_print_errors(bio_err);
1694                         X509_CRL_free(crl);
1695                         goto end;
1696                         }
1697                 }
1698
1699
1700         if (s_dcert_file)
1701                 {
1702
1703                 if (s_dkey_file == NULL)
1704                         s_dkey_file = s_dcert_file;
1705
1706                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1707                                 0, dpass, e,
1708                                "second certificate private key file");
1709                 if (!s_dkey)
1710                         {
1711                         ERR_print_errors(bio_err);
1712                         goto end;
1713                         }
1714
1715                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1716                                 NULL, e, "second server certificate file");
1717
1718                 if (!s_dcert)
1719                         {
1720                         ERR_print_errors(bio_err);
1721                         goto end;
1722                         }
1723                 if (s_dchain_file)
1724                         {
1725                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1726                                 NULL, e, "second server certificate chain");
1727                         if (!s_dchain)
1728                                 goto end;
1729                         }
1730
1731                 }
1732
1733         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1734                 && !RAND_status())
1735                 {
1736                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1737                 }
1738         if (inrand != NULL)
1739                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1740                         app_RAND_load_files(inrand));
1741
1742         if (bio_s_out == NULL)
1743                 {
1744                 if (s_quiet && !s_debug)
1745                         {
1746                         bio_s_out=BIO_new(BIO_s_null());
1747                         if (s_msg && !bio_s_msg)
1748                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1749                         }
1750                 else
1751                         {
1752                         if (bio_s_out == NULL)
1753                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1754                         }
1755                 }
1756
1757 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1758         if (nocert)
1759 #endif
1760                 {
1761                 s_cert_file=NULL;
1762                 s_key_file=NULL;
1763                 s_dcert_file=NULL;
1764                 s_dkey_file=NULL;
1765 #ifndef OPENSSL_NO_TLSEXT
1766                 s_cert_file2=NULL;
1767                 s_key_file2=NULL;
1768 #endif
1769                 }
1770
1771         ctx=SSL_CTX_new(meth);
1772         if (ctx == NULL)
1773                 {
1774                 ERR_print_errors(bio_err);
1775                 goto end;
1776                 }
1777         if (session_id_prefix)
1778                 {
1779                 if(strlen(session_id_prefix) >= 32)
1780                         BIO_printf(bio_err,
1781 "warning: id_prefix is too long, only one new session will be possible\n");
1782                 else if(strlen(session_id_prefix) >= 16)
1783                         BIO_printf(bio_err,
1784 "warning: id_prefix is too long if you use SSLv2\n");
1785                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1786                         {
1787                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1788                         ERR_print_errors(bio_err);
1789                         goto end;
1790                         }
1791                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1792                 }
1793         SSL_CTX_set_quiet_shutdown(ctx,1);
1794         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1795         if (exc) ssl_ctx_set_excert(ctx, exc);
1796         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1797          * Setting read ahead solves this problem.
1798          */
1799         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1800
1801         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1802         if (no_cache)
1803                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1804         else if (ext_cache)
1805                 init_session_cache_ctx(ctx);
1806         else
1807                 SSL_CTX_sess_set_cache_size(ctx,128);
1808
1809         if (srtp_profiles != NULL)
1810                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1811
1812 #if 0
1813         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1814 #endif
1815
1816 #if 0
1817         if (s_cert_file == NULL)
1818                 {
1819                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1820                 goto end;
1821                 }
1822 #endif
1823
1824         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1825                 (!SSL_CTX_set_default_verify_paths(ctx)))
1826                 {
1827                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1828                 ERR_print_errors(bio_err);
1829                 /* goto end; */
1830                 }
1831         if (vpm)
1832                 SSL_CTX_set1_param(ctx, vpm);
1833
1834         ssl_ctx_add_crls(ctx, crls, 0);
1835
1836         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1837                 goto end;
1838
1839         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1840                                                 crls, crl_download))
1841                 {
1842                 BIO_printf(bio_err, "Error loading store locations\n");
1843                 ERR_print_errors(bio_err);
1844                 goto end;
1845                 }
1846
1847 #ifndef OPENSSL_NO_TLSEXT
1848         if (s_cert2)
1849                 {
1850                 ctx2=SSL_CTX_new(meth);
1851                 if (ctx2 == NULL)
1852                         {
1853                         ERR_print_errors(bio_err);
1854                         goto end;
1855                         }
1856                 }
1857
1858         if (ctx2)
1859                 {
1860                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1861
1862                 if (session_id_prefix)
1863                         {
1864                         if(strlen(session_id_prefix) >= 32)
1865                                 BIO_printf(bio_err,
1866                                         "warning: id_prefix is too long, only one new session will be possible\n");
1867                         else if(strlen(session_id_prefix) >= 16)
1868                                 BIO_printf(bio_err,
1869                                         "warning: id_prefix is too long if you use SSLv2\n");
1870                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1871                                 {
1872                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1873                                 ERR_print_errors(bio_err);
1874                                 goto end;
1875                                 }
1876                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1877                         }
1878                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1879                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1880                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1881                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1882                  * Setting read ahead solves this problem.
1883                  */
1884                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1885
1886                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1887
1888                 if (no_cache)
1889                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1890                 else if (ext_cache)
1891                         init_session_cache_ctx(ctx2);
1892                 else
1893                         SSL_CTX_sess_set_cache_size(ctx2,128);
1894
1895                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1896                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1897                         {
1898                         ERR_print_errors(bio_err);
1899                         }
1900                 if (vpm)
1901                         SSL_CTX_set1_param(ctx2, vpm);
1902
1903                 ssl_ctx_add_crls(ctx2, crls, 0);
1904
1905                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1906                         goto end;
1907
1908                 }
1909
1910 # ifndef OPENSSL_NO_NEXTPROTONEG
1911         if (next_proto.data)
1912                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1913 # endif
1914         if (alpn_ctx.data)
1915                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1916 #endif
1917
1918 #ifndef OPENSSL_NO_DH
1919         if (!no_dhe)
1920                 {
1921                 DH *dh=NULL;
1922
1923                 if (dhfile)
1924                         dh = load_dh_param(dhfile);
1925                 else if (s_cert_file)
1926                         dh = load_dh_param(s_cert_file);
1927
1928                 if (dh != NULL)
1929                         {
1930                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1931                         }
1932                 else
1933                         {
1934                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1935                         dh=get_dh512();
1936                         }
1937                 (void)BIO_flush(bio_s_out);
1938
1939                 SSL_CTX_set_tmp_dh(ctx,dh);
1940 #ifndef OPENSSL_NO_TLSEXT
1941                 if (ctx2)
1942                         {
1943                         if (!dhfile)
1944                                 {
1945                                 DH *dh2=load_dh_param(s_cert_file2);
1946                                 if (dh2 != NULL)
1947                                         {
1948                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1949                                         (void)BIO_flush(bio_s_out);
1950
1951                                         DH_free(dh);
1952                                         dh = dh2;
1953                                         }
1954                                 }
1955                         SSL_CTX_set_tmp_dh(ctx2,dh);
1956                         }
1957 #endif
1958                 DH_free(dh);
1959                 }
1960 #endif
1961
1962     if (c_no_resumption_on_reneg)
1963         {
1964         SSL_CTX_set_options(ctx, SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION);
1965         }
1966         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1967                 goto end;
1968 #ifndef OPENSSL_NO_TLSEXT
1969         if (s_serverinfo_file != NULL
1970             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1971                 {
1972                 ERR_print_errors(bio_err);
1973                 goto end;
1974                 }
1975         if (c_auth)
1976                 {
1977                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_client_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1978                 SSL_CTX_set_custom_srv_ext(ctx, TLSEXT_TYPE_server_authz, authz_tlsext_cb, authz_tlsext_generate_cb, bio_err);
1979                 SSL_CTX_set_srv_supp_data(ctx, TLSEXT_SUPPLEMENTALDATATYPE_authz_data, auth_suppdata_generate_cb, suppdata_cb, bio_err);
1980                 }
1981 #endif
1982 #ifndef OPENSSL_NO_TLSEXT
1983         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1984                 goto end;
1985 #endif
1986         if (s_dcert != NULL)
1987                 {
1988                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1989                         goto end;
1990                 }
1991
1992 #ifndef OPENSSL_NO_RSA
1993 #if 1
1994         if (!no_tmp_rsa)
1995                 {
1996                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1997 #ifndef OPENSSL_NO_TLSEXT
1998                 if (ctx2)
1999                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
2000 #endif
2001                 }
2002 #else
2003         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
2004                 {
2005                 RSA *rsa;
2006
2007                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
2008                 BIO_flush(bio_s_out);
2009
2010                 rsa=RSA_generate_key(512,RSA_F4,NULL);
2011
2012                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
2013                         {
2014                         ERR_print_errors(bio_err);
2015                         goto end;
2016                         }
2017 #ifndef OPENSSL_NO_TLSEXT
2018                         if (ctx2)
2019                                 {
2020                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
2021                                         {
2022                                         ERR_print_errors(bio_err);
2023                                         goto end;
2024                                         }
2025                                 }
2026 #endif
2027                 RSA_free(rsa);
2028                 BIO_printf(bio_s_out,"\n");
2029                 }
2030 #endif
2031 #endif
2032
2033 #ifndef OPENSSL_NO_PSK
2034 #ifdef OPENSSL_NO_JPAKE
2035         if (psk_key != NULL)
2036 #else
2037         if (psk_key != NULL || jpake_secret)
2038 #endif
2039                 {
2040                 if (s_debug)
2041                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2042                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2043                 }
2044
2045         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2046                 {
2047                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2048                 ERR_print_errors(bio_err);
2049                 goto end;
2050                 }
2051 #endif
2052
2053         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2054         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2055                 sizeof s_server_session_id_context);
2056
2057         /* Set DTLS cookie generation and verification callbacks */
2058         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2059         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2060
2061 #ifndef OPENSSL_NO_TLSEXT
2062         if (ctx2)
2063                 {
2064                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2065                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2066                         sizeof s_server_session_id_context);
2067
2068                 tlsextcbp.biodebug = bio_s_out;
2069                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2070                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2071                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2072                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2073                 }
2074 #endif
2075
2076 #ifndef OPENSSL_NO_SRP
2077         if (srp_verifier_file != NULL)
2078                 {
2079                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2080                 srp_callback_parm.user = NULL;
2081                 srp_callback_parm.login = NULL;
2082                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2083                         {
2084                         BIO_printf(bio_err,
2085                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2086                                    srp_verifier_file, ret);
2087                                 goto end;
2088                         }
2089                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2090                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2091                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2092                 }
2093         else
2094 #endif
2095         if (CAfile != NULL)
2096                 {
2097                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2098 #ifndef OPENSSL_NO_TLSEXT
2099                 if (ctx2)
2100                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2101 #endif
2102                 }
2103
2104         BIO_printf(bio_s_out,"ACCEPT\n");
2105         (void)BIO_flush(bio_s_out);
2106         if (rev)
2107                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2108         else if (www)
2109                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2110         else
2111                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2112         print_stats(bio_s_out,ctx);
2113         ret=0;
2114 end:
2115         if (ctx != NULL) SSL_CTX_free(ctx);
2116         if (s_cert)
2117                 X509_free(s_cert);
2118         if (crls)
2119                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2120         if (s_dcert)
2121                 X509_free(s_dcert);
2122         if (s_key)
2123                 EVP_PKEY_free(s_key);
2124         if (s_dkey)
2125                 EVP_PKEY_free(s_dkey);
2126         if (s_chain)
2127                 sk_X509_pop_free(s_chain, X509_free);
2128         if (s_dchain)
2129                 sk_X509_pop_free(s_dchain, X509_free);
2130         if (pass)
2131                 OPENSSL_free(pass);
2132         if (dpass)
2133                 OPENSSL_free(dpass);
2134         if (vpm)
2135                 X509_VERIFY_PARAM_free(vpm);
2136         free_sessions();
2137 #ifndef OPENSSL_NO_TLSEXT
2138         if (tlscstatp.host)
2139                 OPENSSL_free(tlscstatp.host);
2140         if (tlscstatp.port)
2141                 OPENSSL_free(tlscstatp.port);
2142         if (tlscstatp.path)
2143                 OPENSSL_free(tlscstatp.path);
2144         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2145         if (s_cert2)
2146                 X509_free(s_cert2);
2147         if (s_key2)
2148                 EVP_PKEY_free(s_key2);
2149         if (serverinfo_in != NULL)
2150                 BIO_free(serverinfo_in);
2151 # ifndef OPENSSL_NO_NEXTPROTONEG
2152         if (next_proto.data)
2153                 OPENSSL_free(next_proto.data);
2154 # endif
2155         if (alpn_ctx.data)
2156                 OPENSSL_free(alpn_ctx.data);
2157 #endif
2158         ssl_excert_free(exc);
2159         if (ssl_args)
2160                 sk_OPENSSL_STRING_free(ssl_args);
2161         if (cctx)
2162                 SSL_CONF_CTX_free(cctx);
2163 #ifndef OPENSSL_NO_JPAKE
2164         if (jpake_secret && psk_key)
2165                 OPENSSL_free(psk_key);
2166 #endif
2167         if (bio_s_out != NULL)
2168                 {
2169                 BIO_free(bio_s_out);
2170                 bio_s_out=NULL;
2171                 }
2172         if (bio_s_msg != NULL)
2173                 {
2174                 BIO_free(bio_s_msg);
2175                 bio_s_msg = NULL;
2176                 }
2177         apps_shutdown();
2178         OPENSSL_EXIT(ret);
2179         }
2180
2181 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2182         {
2183         BIO_printf(bio,"%4ld items in the session cache\n",
2184                 SSL_CTX_sess_number(ssl_ctx));
2185         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2186                 SSL_CTX_sess_connect(ssl_ctx));
2187         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2188                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2189         BIO_printf(bio,"%4ld client connects that finished\n",
2190                 SSL_CTX_sess_connect_good(ssl_ctx));
2191         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2192                 SSL_CTX_sess_accept(ssl_ctx));
2193         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2194                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2195         BIO_printf(bio,"%4ld server accepts that finished\n",
2196                 SSL_CTX_sess_accept_good(ssl_ctx));
2197         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2198         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2199         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2200         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2201         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2202                 SSL_CTX_sess_cache_full(ssl_ctx),
2203                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2204         }
2205
2206 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2207         {
2208         char *buf=NULL;
2209         fd_set readfds;
2210         int ret=1,width;
2211         int k,i;
2212         unsigned long l;
2213         SSL *con=NULL;
2214         BIO *sbio;
2215 #ifndef OPENSSL_NO_KRB5
2216         KSSL_CTX *kctx;
2217 #endif
2218         struct timeval timeout;
2219 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2220         struct timeval tv;
2221 #else
2222         struct timeval *timeoutp;
2223 #endif
2224
2225         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2226                 {
2227                 BIO_printf(bio_err,"out of memory\n");
2228                 goto err;
2229                 }
2230 #ifdef FIONBIO
2231         if (s_nbio)
2232                 {
2233                 unsigned long sl=1;
2234
2235                 if (!s_quiet)
2236                         BIO_printf(bio_err,"turning on non blocking io\n");
2237                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2238                         ERR_print_errors(bio_err);
2239                 }
2240 #endif
2241
2242         if (con == NULL) {
2243                 con=SSL_new(ctx);
2244 #ifndef OPENSSL_NO_TLSEXT
2245         if (s_tlsextdebug)
2246                 {
2247                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2248                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2249                 }
2250         if (s_tlsextstatus)
2251                 {
2252                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2253                 tlscstatp.err = bio_err;
2254                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2255                 }
2256 #endif
2257 #ifndef OPENSSL_NO_KRB5
2258                 if ((kctx = kssl_ctx_new()) != NULL)
2259                         {
2260                         SSL_set0_kssl_ctx(con, kctx);
2261                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2262                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2263                         }
2264 #endif  /* OPENSSL_NO_KRB5 */
2265                 if(context)
2266                       SSL_set_session_id_context(con, context,
2267                                                  strlen((char *)context));
2268         }
2269         SSL_clear(con);
2270 #if 0
2271 #ifdef TLSEXT_TYPE_opaque_prf_input
2272         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2273 #endif
2274 #endif
2275
2276         if (stype == SOCK_DGRAM)
2277                 {
2278
2279                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2280
2281                 if (enable_timeouts)
2282                         {
2283                         timeout.tv_sec = 0;
2284                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2285                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2286
2287                         timeout.tv_sec = 0;
2288                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2289                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2290                         }
2291
2292                 if (socket_mtu > 28)
2293                         {
2294                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2295                         SSL_set_mtu(con, socket_mtu - 28);
2296                         }
2297                 else
2298                         /* want to do MTU discovery */
2299                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2300
2301         /* turn on cookie exchange */
2302         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2303                 }
2304         else
2305                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2306
2307         if (s_nbio_test)
2308                 {
2309                 BIO *test;
2310
2311                 test=BIO_new(BIO_f_nbio_test());
2312                 sbio=BIO_push(test,sbio);
2313                 }
2314 #ifndef OPENSSL_NO_JPAKE
2315         if(jpake_secret)
2316                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2317 #endif
2318
2319         SSL_set_bio(con,sbio,sbio);
2320         SSL_set_accept_state(con);
2321         /* SSL_set_fd(con,s); */
2322
2323         if (s_debug)
2324                 {
2325                 SSL_set_debug(con, 1);
2326                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2327                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2328                 }
2329         if (s_msg)
2330                 {
2331 #ifndef OPENSSL_NO_SSL_TRACE
2332                 if (s_msg == 2)
2333                         SSL_set_msg_callback(con, SSL_trace);
2334                 else
2335 #endif
2336                         SSL_set_msg_callback(con, msg_cb);
2337                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2338                 }
2339 #ifndef OPENSSL_NO_TLSEXT
2340         if (s_tlsextdebug)
2341                 {
2342                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2343                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2344                 }
2345 #endif
2346
2347         width=s+1;
2348         for (;;)
2349                 {
2350                 int read_from_terminal;
2351                 int read_from_sslcon;
2352
2353                 read_from_terminal = 0;
2354                 read_from_sslcon = SSL_pending(con);
2355
2356                 if (!read_from_sslcon)
2357                         {
2358                         FD_ZERO(&readfds);
2359 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2360                         openssl_fdset(fileno(stdin),&readfds);
2361 #endif
2362                         openssl_fdset(s,&readfds);
2363                         /* Note: under VMS with SOCKETSHR the second parameter is
2364                          * currently of type (int *) whereas under other systems
2365                          * it is (void *) if you don't have a cast it will choke
2366                          * the compiler: if you do have a cast then you can either
2367                          * go for (int *) or (void *).
2368                          */
2369 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2370                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2371                          * on sockets. As a workaround we timeout the select every
2372                          * second and check for any keypress. In a proper Windows
2373                          * application we wouldn't do this because it is inefficient.
2374                          */
2375                         tv.tv_sec = 1;
2376                         tv.tv_usec = 0;
2377                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2378                         if((i < 0) || (!i && !_kbhit() ) )continue;
2379                         if(_kbhit())
2380                                 read_from_terminal = 1;
2381 #elif defined(OPENSSL_SYS_BEOS_R5)
2382                         /* Under BeOS-R5 the situation is similar to DOS */
2383                         tv.tv_sec = 1;
2384                         tv.tv_usec = 0;
2385                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2386                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2387                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2388                                 continue;
2389                         if (read(fileno(stdin), buf, 0) >= 0)
2390                                 read_from_terminal = 1;
2391                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2392 #else
2393                         if ((SSL_version(con) == DTLS1_VERSION) &&
2394                                 DTLSv1_get_timeout(con, &timeout))
2395                                 timeoutp = &timeout;
2396                         else
2397                                 timeoutp = NULL;
2398
2399                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2400
2401                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2402                                 {
2403                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2404                                 }
2405
2406                         if (i <= 0) continue;
2407                         if (FD_ISSET(fileno(stdin),&readfds))
2408                                 read_from_terminal = 1;
2409 #endif
2410                         if (FD_ISSET(s,&readfds))
2411                                 read_from_sslcon = 1;
2412                         }
2413                 if (read_from_terminal)
2414                         {
2415                         if (s_crlf)
2416                                 {
2417                                 int j, lf_num;
2418
2419                                 i=raw_read_stdin(buf, bufsize/2);
2420                                 lf_num = 0;
2421                                 /* both loops are skipped when i <= 0 */
2422                                 for (j = 0; j < i; j++)
2423                                         if (buf[j] == '\n')
2424                                                 lf_num++;
2425                                 for (j = i-1; j >= 0; j--)
2426                                         {
2427                                         buf[j+lf_num] = buf[j];
2428                                         if (buf[j] == '\n')
2429                                                 {
2430                                                 lf_num--;
2431                                                 i++;
2432                                                 buf[j+lf_num] = '\r';
2433                                                 }
2434                                         }
2435                                 assert(lf_num == 0);
2436                                 }
2437                         else
2438                                 i=raw_read_stdin(buf,bufsize);
2439                         if (!s_quiet && !s_brief)
2440                                 {
2441                                 if ((i <= 0) || (buf[0] == 'Q'))
2442                                         {
2443                                         BIO_printf(bio_s_out,"DONE\n");
2444                                         SHUTDOWN(s);
2445                                         close_accept_socket();
2446                                         ret= -11;
2447                                         goto err;
2448                                         }
2449                                 if ((i <= 0) || (buf[0] == 'q'))
2450                                         {
2451                                         BIO_printf(bio_s_out,"DONE\n");
2452                                         if (SSL_version(con) != DTLS1_VERSION)
2453                         SHUTDOWN(s);
2454         /*                              close_accept_socket();
2455                                         ret= -11;*/
2456                                         goto err;
2457                                         }
2458
2459 #ifndef OPENSSL_NO_HEARTBEATS
2460                                 if ((buf[0] == 'B') &&
2461                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2462                                         {
2463                                         BIO_printf(bio_err,"HEARTBEATING\n");
2464                                         SSL_heartbeat(con);
2465                                         i=0;
2466                                         continue;
2467                                         }
2468 #endif
2469                                 if ((buf[0] == 'r') &&
2470                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2471                                         {
2472                                         SSL_renegotiate(con);
2473                                         i=SSL_do_handshake(con);
2474                                         printf("SSL_do_handshake -> %d\n",i);
2475                                         i=0; /*13; */
2476                                         continue;
2477                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2478                                         }
2479                                 if ((buf[0] == 'R') &&
2480                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2481                                         {
2482                                         SSL_set_verify(con,
2483                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2484                                         SSL_renegotiate(con);
2485                                         i=SSL_do_handshake(con);
2486                                         printf("SSL_do_handshake -> %d\n",i);
2487                                         i=0; /* 13; */
2488                                         continue;
2489                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2490                                         }
2491                                 if (buf[0] == 'P')
2492                                         {
2493                                         static const char *str="Lets print some clear text\n";
2494                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2495                                         }
2496                                 if (buf[0] == 'S')
2497                                         {
2498                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2499                                         }
2500                                 }
2501 #ifdef CHARSET_EBCDIC
2502                         ebcdic2ascii(buf,buf,i);
2503 #endif
2504                         l=k=0;
2505                         for (;;)
2506                                 {
2507                                 /* should do a select for the write */
2508 #ifdef RENEG
2509 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2510 #endif
2511                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2512 #ifndef OPENSSL_NO_SRP
2513                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2514                                         {
2515                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2516                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2517                                         if (srp_callback_parm.user)
2518                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2519                                         else
2520                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2521                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2522                                         }
2523 #endif
2524                                 switch (SSL_get_error(con,k))
2525                                         {
2526                                 case SSL_ERROR_NONE:
2527                                         break;
2528                                 case SSL_ERROR_WANT_WRITE:
2529                                 case SSL_ERROR_WANT_READ:
2530                                 case SSL_ERROR_WANT_X509_LOOKUP:
2531                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2532                                         break;
2533                                 case SSL_ERROR_SYSCALL:
2534                                 case SSL_ERROR_SSL:
2535                                         BIO_printf(bio_s_out,"ERROR\n");
2536                                         ERR_print_errors(bio_err);
2537                                         ret=1;
2538                                         goto err;
2539                                         /* break; */
2540                                 case SSL_ERROR_ZERO_RETURN:
2541                                         BIO_printf(bio_s_out,"DONE\n");
2542                                         ret=1;
2543                                         goto err;
2544                                         }
2545                                 l+=k;
2546                                 i-=k;
2547                                 if (i <= 0) break;
2548                                 }
2549                         }
2550                 if (read_from_sslcon)
2551                         {
2552                         if (!SSL_is_init_finished(con))
2553                                 {
2554                                 i=init_ssl_connection(con);
2555
2556                                 if (i < 0)
2557                                         {
2558                                         ret=0;
2559                                         goto err;
2560                                         }
2561                                 else if (i == 0)
2562                                         {
2563                                         ret=1;
2564                                         goto err;
2565                                         }
2566                                 }
2567                         else
2568                                 {
2569 again:
2570                                 i=SSL_read(con,(char *)buf,bufsize);
2571 #ifndef OPENSSL_NO_SRP
2572                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2573                                         {
2574                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2575                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2576                                         if (srp_callback_parm.user)
2577                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2578                                         else
2579                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2580                                         i=SSL_read(con,(char *)buf,bufsize);
2581                                         }
2582 #endif
2583                                 switch (SSL_get_error(con,i))
2584                                         {
2585                                 case SSL_ERROR_NONE:
2586 #ifdef CHARSET_EBCDIC
2587                                         ascii2ebcdic(buf,buf,i);
2588 #endif
2589                                         raw_write_stdout(buf,
2590                                                 (unsigned int)i);
2591                                         if (SSL_pending(con)) goto again;
2592                                         break;
2593                                 case SSL_ERROR_WANT_WRITE:
2594                                 case SSL_ERROR_WANT_READ:
2595                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2596                                         break;
2597                                 case SSL_ERROR_SYSCALL:
2598                                 case SSL_ERROR_SSL:
2599                                         BIO_printf(bio_s_out,"ERROR\n");
2600                                         ERR_print_errors(bio_err);
2601                                         ret=1;
2602                                         goto err;
2603                                 case SSL_ERROR_ZERO_RETURN:
2604                                         BIO_printf(bio_s_out,"DONE\n");
2605                                         ret=1;
2606                                         goto err;
2607                                         }
2608                                 }
2609                         }
2610                 }
2611 err:
2612         if (con != NULL)
2613                 {
2614                 BIO_printf(bio_s_out,"shutting down SSL\n");
2615 #if 1
2616                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2617 #else
2618                 SSL_shutdown(con);
2619 #endif
2620                 SSL_free(con);
2621                 }
2622         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2623         if (buf != NULL)
2624                 {
2625                 OPENSSL_cleanse(buf,bufsize);
2626                 OPENSSL_free(buf);
2627                 }
2628         if (ret >= 0)
2629                 BIO_printf(bio_s_out,"ACCEPT\n");
2630         return(ret);
2631         }
2632
2633 static void close_accept_socket(void)
2634         {
2635         BIO_printf(bio_err,"shutdown accept socket\n");
2636         if (accept_socket >= 0)
2637                 {
2638                 SHUTDOWN2(accept_socket);
2639                 }
2640         }
2641
2642 static int init_ssl_connection(SSL *con)
2643         {
2644         int i;
2645         const char *str;
2646         X509 *peer;
2647         long verify_error;
2648         MS_STATIC char buf[BUFSIZ];
2649 #ifndef OPENSSL_NO_KRB5
2650         char *client_princ;
2651 #endif
2652 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2653         const unsigned char *next_proto_neg;
2654         unsigned next_proto_neg_len;
2655 #endif
2656         unsigned char *exportedkeymat;
2657
2658
2659         i=SSL_accept(con);
2660 #ifdef CERT_CB_TEST_RETRY
2661         {
2662         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2663                 {
2664                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2665                 i=SSL_accept(con);
2666                 }
2667         }
2668 #endif
2669 #ifndef OPENSSL_NO_SRP
2670         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2671                 {
2672                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2673                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2674                         if (srp_callback_parm.user)
2675                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2676                         else
2677                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2678                         i=SSL_accept(con);
2679                 }
2680 #endif
2681         if (i <= 0)
2682                 {
2683                 if (BIO_sock_should_retry(i))
2684                         {
2685                         BIO_printf(bio_s_out,"DELAY\n");
2686                         return(1);
2687                         }
2688
2689                 BIO_printf(bio_err,"ERROR\n");
2690                 verify_error=SSL_get_verify_result(con);
2691                 if (verify_error != X509_V_OK)
2692                         {
2693                         BIO_printf(bio_err,"verify error:%s\n",
2694                                 X509_verify_cert_error_string(verify_error));
2695                         }
2696                 /* Always print any error messages */
2697                 ERR_print_errors(bio_err);
2698                 return(0);
2699                 }
2700
2701         if (s_brief)
2702                 print_ssl_summary(bio_err, con);
2703
2704         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2705
2706         peer=SSL_get_peer_certificate(con);
2707         if (peer != NULL)
2708                 {
2709                 BIO_printf(bio_s_out,"Client certificate\n");
2710                 PEM_write_bio_X509(bio_s_out,peer);
2711                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2712                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2713                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2714                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2715                 X509_free(peer);
2716                 }
2717
2718         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2719                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2720         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2721         ssl_print_sigalgs(bio_s_out, con);
2722 #ifndef OPENSSL_NO_EC
2723         ssl_print_point_formats(bio_s_out, con);
2724         ssl_print_curves(bio_s_out, con, 0);
2725 #endif
2726         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2727
2728 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2729         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2730         if (next_proto_neg)
2731                 {
2732                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2733                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2734                 BIO_printf(bio_s_out, "\n");
2735                 }
2736 #endif
2737         {
2738         SRTP_PROTECTION_PROFILE *srtp_profile
2739           = SSL_get_selected_srtp_profile(con);
2740
2741         if(srtp_profile)
2742                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2743                            srtp_profile->name);
2744         }
2745         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2746         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2747                 TLS1_FLAGS_TLS_PADDING_BUG)
2748                 BIO_printf(bio_s_out,
2749                            "Peer has incorrect TLSv1 block padding\n");
2750 #ifndef OPENSSL_NO_KRB5
2751         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2752         if (client_princ != NULL)
2753                 {
2754                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2755                                                                 client_princ);
2756                 }
2757 #endif /* OPENSSL_NO_KRB5 */
2758         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2759                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2760         if (keymatexportlabel != NULL)
2761                 {
2762                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2763                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2764                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2765                            keymatexportlen);
2766                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2767                 if (exportedkeymat != NULL)
2768                         {
2769                         if (!SSL_export_keying_material(con, exportedkeymat,
2770                                                         keymatexportlen,
2771                                                         keymatexportlabel,
2772                                                         strlen(keymatexportlabel),
2773                                                         NULL, 0, 0))
2774                                 {
2775                                 BIO_printf(bio_s_out, "    Error\n");
2776                                 }
2777                         else
2778                                 {
2779                                 BIO_printf(bio_s_out, "    Keying material: ");
2780                                 for (i=0; i<keymatexportlen; i++)
2781                                         BIO_printf(bio_s_out, "%02X",
2782                                                    exportedkeymat[i]);
2783                                 BIO_printf(bio_s_out, "\n");
2784                                 }
2785                         OPENSSL_free(exportedkeymat);
2786                         }
2787                 }
2788
2789         return(1);
2790         }
2791
2792 #ifndef OPENSSL_NO_DH
2793 static DH *load_dh_param(const char *dhfile)
2794         {
2795         DH *ret=NULL;
2796         BIO *bio;
2797
2798         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2799                 goto err;
2800         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2801 err:
2802         if (bio != NULL) BIO_free(bio);
2803         return(ret);
2804         }
2805 #endif
2806 #ifndef OPENSSL_NO_KRB5
2807         char *client_princ;
2808 #endif
2809
2810 #if 0
2811 static int load_CA(SSL_CTX *ctx, char *file)
2812         {
2813         FILE *in;
2814         X509 *x=NULL;
2815
2816         if ((in=fopen(file,"r")) == NULL)
2817                 return(0);
2818
2819         for (;;)
2820                 {
2821                 if (PEM_read_X509(in,&x,NULL) == NULL)
2822                         break;
2823                 SSL_CTX_add_client_CA(ctx,x);
2824                 }
2825         if (x != NULL) X509_free(x);
2826         fclose(in);
2827         return(1);
2828         }
2829 #endif
2830
2831 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2832         {
2833         char *buf=NULL;
2834         int ret=1;
2835         int i,j,k,dot;
2836         SSL *con;
2837         const SSL_CIPHER *c;
2838         BIO *io,*ssl_bio,*sbio;
2839 #ifndef OPENSSL_NO_KRB5
2840         KSSL_CTX *kctx;
2841 #endif
2842
2843         buf=OPENSSL_malloc(bufsize);
2844         if (buf == NULL) return(0);
2845         io=BIO_new(BIO_f_buffer());
2846         ssl_bio=BIO_new(BIO_f_ssl());
2847         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2848
2849 #ifdef FIONBIO
2850         if (s_nbio)
2851                 {
2852                 unsigned long sl=1;
2853
2854                 if (!s_quiet)
2855                         BIO_printf(bio_err,"turning on non blocking io\n");
2856                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2857                         ERR_print_errors(bio_err);
2858                 }
2859 #endif
2860
2861         /* lets make the output buffer a reasonable size */
2862         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2863
2864         if ((con=SSL_new(ctx)) == NULL) goto err;
2865 #ifndef OPENSSL_NO_TLSEXT
2866                 if (s_tlsextdebug)
2867                         {
2868                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2869                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2870                         }
2871 #endif
2872 #ifndef OPENSSL_NO_KRB5
2873         if ((kctx = kssl_ctx_new()) != NULL)
2874                 {
2875                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2876                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2877                 }
2878 #endif  /* OPENSSL_NO_KRB5 */
2879         if(context) SSL_set_session_id_context(con, context,
2880                                                strlen((char *)context));
2881
2882         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2883         if (s_nbio_test)
2884                 {
2885                 BIO *test;
2886
2887                 test=BIO_new(BIO_f_nbio_test());
2888                 sbio=BIO_push(test,sbio);
2889                 }
2890         SSL_set_bio(con,sbio,sbio);
2891         SSL_set_accept_state(con);
2892
2893         /* SSL_set_fd(con,s); */
2894         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2895         BIO_push(io,ssl_bio);
2896 #ifdef CHARSET_EBCDIC
2897         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2898 #endif
2899
2900         if (s_debug)
2901                 {
2902                 SSL_set_debug(con, 1);
2903                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2904                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2905                 }
2906         if (s_msg)
2907                 {
2908 #ifndef OPENSSL_NO_SSL_TRACE
2909                 if (s_msg == 2)
2910                         SSL_set_msg_callback(con, SSL_trace);
2911                 else
2912 #endif
2913                         SSL_set_msg_callback(con, msg_cb);
2914                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2915                 }
2916
2917         for (;;)
2918                 {
2919                 if (hack)
2920                         {
2921                         i=SSL_accept(con);
2922 #ifndef OPENSSL_NO_SRP
2923                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2924                 {
2925                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2926                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2927                         if (srp_callback_parm.user)
2928                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2929                         else
2930                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2931                         i=SSL_accept(con);
2932                 }
2933 #endif
2934                         switch (SSL_get_error(con,i))
2935                                 {
2936                         case SSL_ERROR_NONE:
2937                                 break;
2938                         case SSL_ERROR_WANT_WRITE:
2939                         case SSL_ERROR_WANT_READ:
2940                         case SSL_ERROR_WANT_X509_LOOKUP:
2941                                 continue;
2942                         case SSL_ERROR_SYSCALL:
2943                         case SSL_ERROR_SSL:
2944                         case SSL_ERROR_ZERO_RETURN:
2945                                 ret=1;
2946                                 goto err;
2947                                 /* break; */
2948                                 }
2949
2950                         SSL_renegotiate(con);
2951                         SSL_write(con,NULL,0);
2952                         }
2953
2954                 i=BIO_gets(io,buf,bufsize-1);
2955                 if (i < 0) /* error */
2956                         {
2957                         if (!BIO_should_retry(io))
2958                                 {
2959                                 if (!s_quiet)
2960                                         ERR_print_errors(bio_err);
2961                                 goto err;
2962                                 }
2963                         else
2964                                 {
2965                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2966 #if defined(OPENSSL_SYS_NETWARE)
2967             delay(1000);
2968 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2969                                 sleep(1);
2970 #endif
2971                                 continue;
2972                                 }
2973                         }
2974                 else if (i == 0) /* end of input */
2975                         {
2976                         ret=1;
2977                         goto end;
2978                         }
2979
2980                 /* else we have data */
2981                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2982                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2983                         {
2984                         char *p;
2985                         X509 *peer;
2986                         STACK_OF(SSL_CIPHER) *sk;
2987                         static const char *space="                          ";
2988
2989                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2990                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2991                         BIO_puts(io,"<pre>\n");
2992 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2993                         BIO_puts(io,"\n");
2994                         for (i=0; i<local_argc; i++)
2995                                 {
2996                                 BIO_puts(io,local_argv[i]);
2997                                 BIO_write(io," ",1);
2998                                 }
2999                         BIO_puts(io,"\n");
3000
3001                         BIO_printf(io,
3002                                 "Secure Renegotiation IS%s supported\n",
3003                                 SSL_get_secure_renegotiation_support(con) ?
3004                                                         "" : " NOT");
3005
3006                         /* The following is evil and should not really
3007                          * be done */
3008                         BIO_printf(io,"Ciphers supported in s_server binary\n");
3009                         sk=SSL_get_ciphers(con);
3010                         j=sk_SSL_CIPHER_num(sk);
3011                         for (i=0; i<j; i++)
3012                                 {
3013                                 c=sk_SSL_CIPHER_value(sk,i);
3014                                 BIO_printf(io,"%-11s:%-25s",
3015                                         SSL_CIPHER_get_version(c),
3016                                         SSL_CIPHER_get_name(c));
3017                                 if ((((i+1)%2) == 0) && (i+1 != j))
3018                                         BIO_puts(io,"\n");
3019                                 }
3020                         BIO_puts(io,"\n");
3021                         p=SSL_get_shared_ciphers(con,buf,bufsize);
3022                         if (p != NULL)
3023                                 {
3024                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
3025                                 j=i=0;
3026                                 while (*p)
3027                                         {
3028                                         if (*p == ':')
3029                                                 {
3030                                                 BIO_write(io,space,26-j);
3031                                                 i++;
3032                                                 j=0;
3033                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3034                                                 }
3035                                         else
3036                                                 {
3037                                                 BIO_write(io,p,1);
3038                                                 j++;
3039                                                 }
3040                                         p++;
3041                                         }
3042                                 BIO_puts(io,"\n");
3043                                 }
3044                         ssl_print_sigalgs(io, con);
3045 #ifndef OPENSSL_NO_EC
3046                         ssl_print_curves(io, con, 0);
3047 #endif
3048                         BIO_printf(io,(SSL_cache_hit(con)
3049                                 ?"---\nReused, "
3050                                 :"---\nNew, "));
3051                         c=SSL_get_current_cipher(con);
3052                         BIO_printf(io,"%s, Cipher is %s\n",
3053                                 SSL_CIPHER_get_version(c),
3054                                 SSL_CIPHER_get_name(c));
3055                         SSL_SESSION_print(io,SSL_get_session(con));
3056                         BIO_printf(io,"---\n");
3057                         print_stats(io,SSL_get_SSL_CTX(con));
3058                         BIO_printf(io,"---\n");
3059                         peer=SSL_get_peer_certificate(con);
3060                         if (peer != NULL)
3061                                 {
3062                                 BIO_printf(io,"Client certificate\n");
3063                                 X509_print(io,peer);
3064                                 PEM_write_bio_X509(io,peer);
3065                                 }
3066                         else
3067                                 BIO_puts(io,"no client certificate available\n");
3068                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3069                         break;
3070                         }
3071                 else if ((www == 2 || www == 3)
3072                          && (strncmp("GET /",buf,5) == 0))
3073                         {
3074                         BIO *file;
3075                         char *p,*e;
3076                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3077
3078                         /* skip the '/' */
3079                         p= &(buf[5]);
3080
3081                         dot = 1;
3082                         for (e=p; *e != '\0'; e++)
3083                                 {
3084                                 if (e[0] == ' ')
3085                                         break;
3086
3087                                 switch (dot)
3088                                         {
3089                                 case 1:
3090                                         dot = (e[0] == '.') ? 2 : 0;
3091                                         break;
3092                                 case 2:
3093                                         dot = (e[0] == '.') ? 3 : 0;
3094                                         break;
3095                                 case 3:
3096                                         dot = (e[0] == '/') ? -1 : 0;
3097                                         break;
3098                                         }
3099                                 if (dot == 0)
3100                                         dot = (e[0] == '/') ? 1 : 0;
3101                                 }
3102                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3103
3104                         if (*e == '\0')
3105                                 {
3106                                 BIO_puts(io,text);
3107                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3108                                 break;
3109                                 }
3110                         *e='\0';
3111
3112                         if (dot)
3113                                 {
3114                                 BIO_puts(io,text);
3115                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3116                                 break;
3117                                 }
3118
3119                         if (*p == '/')
3120                                 {
3121                                 BIO_puts(io,text);
3122                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3123                                 break;
3124                                 }
3125
3126 #if 0
3127                         /* append if a directory lookup */
3128                         if (e[-1] == '/')
3129                                 strcat(p,"index.html");
3130 #endif
3131
3132                         /* if a directory, do the index thang */
3133                         if (app_isdir(p)>0)
3134                                 {
3135 #if 0 /* must check buffer size */
3136                                 strcat(p,"/index.html");
3137 #else
3138                                 BIO_puts(io,text);
3139                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3140                                 break;
3141 #endif
3142                                 }
3143
3144                         if ((file=BIO_new_file(p,"r")) == NULL)
3145                                 {
3146                                 BIO_puts(io,text);
3147                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3148                                 ERR_print_errors(io);
3149                                 break;
3150                                 }
3151
3152                         if (!s_quiet)
3153                                 BIO_printf(bio_err,"FILE:%s\n",p);
3154
3155                         if (www == 2)
3156                                 {
3157                                 i=strlen(p);
3158                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3159                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3160                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3161                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3162                                 else
3163                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3164                                 }
3165                         /* send the file */
3166                         for (;;)
3167                                 {
3168                                 i=BIO_read(file,buf,bufsize);
3169                                 if (i <= 0) break;
3170
3171 #ifdef RENEG
3172                                 total_bytes+=i;
3173                                 fprintf(stderr,"%d\n",i);
3174                                 if (total_bytes > 3*1024)
3175                                         {
3176                                         total_bytes=0;
3177                                         fprintf(stderr,"RENEGOTIATE\n");
3178                                         SSL_renegotiate(con);
3179                                         }
3180 #endif
3181
3182                                 for (j=0; j<i; )
3183                                         {
3184 #ifdef RENEG
3185 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3186 #endif
3187                                         k=BIO_write(io,&(buf[j]),i-j);
3188                                         if (k <= 0)
3189                                                 {
3190                                                 if (!BIO_should_retry(io))
3191                                                         goto write_error;
3192                                                 else
3193                                                         {
3194                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3195                                                         }
3196                                                 }
3197                                         else
3198                                                 {
3199                                                 j+=k;
3200                                                 }
3201                                         }
3202                                 }
3203 write_error:
3204                         BIO_free(file);
3205                         break;
3206                         }
3207                 }
3208
3209         for (;;)
3210                 {
3211                 i=(int)BIO_flush(io);
3212                 if (i <= 0)
3213                         {
3214                         if (!BIO_should_retry(io))
3215                                 break;
3216                         }
3217                 else
3218                         break;
3219                 }
3220 end:
3221 #if 1
3222         /* make sure we re-use sessions */
3223         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3224 #else
3225         /* This kills performance */
3226 /*      SSL_shutdown(con); A shutdown gets sent in the
3227  *      BIO_free_all(io) procession */
3228 #endif
3229
3230 err:
3231
3232         if (ret >= 0)
3233                 BIO_printf(bio_s_out,"ACCEPT\n");
3234
3235         if (buf != NULL) OPENSSL_free(buf);
3236         if (io != NULL) BIO_free_all(io);
3237 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3238         return(ret);
3239         }
3240
3241 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3242         {
3243         char *buf=NULL;
3244         int i;
3245         int ret=1;
3246         SSL *con;
3247         BIO *io,*ssl_bio,*sbio;
3248 #ifndef OPENSSL_NO_KRB5
3249         KSSL_CTX *kctx;
3250 #endif
3251
3252         buf=OPENSSL_malloc(bufsize);
3253         if (buf == NULL) return(0);
3254         io=BIO_new(BIO_f_buffer());
3255         ssl_bio=BIO_new(BIO_f_ssl());
3256         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3257
3258         /* lets make the output buffer a reasonable size */
3259         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3260
3261         if ((con=SSL_new(ctx)) == NULL) goto err;
3262 #ifndef OPENSSL_NO_TLSEXT
3263         if (s_tlsextdebug)
3264                 {
3265                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3266                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3267                 }
3268 #endif
3269 #ifndef OPENSSL_NO_KRB5
3270         if ((kctx = kssl_ctx_new()) != NULL)
3271                 {
3272                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3273                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3274                 }
3275 #endif  /* OPENSSL_NO_KRB5 */
3276         if(context) SSL_set_session_id_context(con, context,
3277                                                strlen((char *)context));
3278
3279         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3280         SSL_set_bio(con,sbio,sbio);
3281         SSL_set_accept_state(con);
3282
3283         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3284         BIO_push(io,ssl_bio);
3285 #ifdef CHARSET_EBCDIC
3286         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3287 #endif
3288
3289         if (s_debug)
3290                 {
3291                 SSL_set_debug(con, 1);
3292                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3293                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3294                 }
3295         if (s_msg)
3296                 {
3297 #ifndef OPENSSL_NO_SSL_TRACE
3298                 if (s_msg == 2)
3299                         SSL_set_msg_callback(con, SSL_trace);
3300                 else
3301 #endif
3302                         SSL_set_msg_callback(con, msg_cb);
3303                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3304                 }
3305
3306         for (;;)
3307                 {
3308                 i = BIO_do_handshake(io);
3309                 if (i > 0)
3310                         break;
3311                 if (!BIO_should_retry(io))
3312                         {
3313                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3314                         ERR_print_errors(bio_err);
3315                         goto end;
3316                         }
3317                 }
3318         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3319         print_ssl_summary(bio_err, con);
3320
3321         for (;;)
3322                 {
3323                 i=BIO_gets(io,buf,bufsize-1);
3324                 if (i < 0) /* error */
3325                         {
3326                         if (!BIO_should_retry(io))
3327                                 {
3328                                 if (!s_quiet)
3329                                         ERR_print_errors(bio_err);
3330                                 goto err;
3331                                 }
3332                         else
3333                                 {
3334                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3335 #if defined(OPENSSL_SYS_NETWARE)
3336             delay(1000);
3337 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3338                                 sleep(1);
3339 #endif
3340                                 continue;
3341                                 }
3342                         }
3343                 else if (i == 0) /* end of input */
3344                         {
3345                         ret=1;
3346                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3347                         goto end;
3348                         }
3349                 else
3350                         {
3351                         char *p = buf + i - 1;
3352                         while(i && (*p == '\n' || *p == '\r'))
3353                                 {
3354                                 p--;
3355                                 i--;
3356                                 }
3357                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3358                                 {
3359                                 ret = 1;
3360                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3361                                 goto end;
3362                                 }
3363                         BUF_reverse((unsigned char *)buf, NULL, i);
3364                         buf[i] = '\n';
3365                         BIO_write(io, buf, i + 1);
3366                         for (;;)
3367                                 {
3368                                 i = BIO_flush(io);
3369                                 if (i > 0)
3370                                         break;
3371                                 if (!BIO_should_retry(io))
3372                                         goto end;
3373                                 }
3374                         }
3375                 }
3376 end:
3377         /* make sure we re-use sessions */
3378         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3379
3380 err:
3381
3382         if (buf != NULL) OPENSSL_free(buf);
3383         if (io != NULL) BIO_free_all(io);
3384         return(ret);
3385         }
3386
3387 #ifndef OPENSSL_NO_RSA
3388 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3389         {
3390         BIGNUM *bn = NULL;
3391         static RSA *rsa_tmp=NULL;
3392
3393         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3394                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3395         if (!rsa_tmp && bn)
3396                 {
3397                 if (!s_quiet)
3398                         {
3399                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3400                         (void)BIO_flush(bio_err);
3401                         }
3402                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3403                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3404                         {
3405                         if(rsa_tmp) RSA_free(rsa_tmp);
3406                         rsa_tmp = NULL;
3407                         }
3408                 if (!s_quiet)
3409                         {
3410                         BIO_printf(bio_err,"\n");
3411                         (void)BIO_flush(bio_err);
3412                         }
3413                 BN_free(bn);
3414                 }
3415         return(rsa_tmp);
3416         }
3417 #endif
3418
3419 #define MAX_SESSION_ID_ATTEMPTS 10
3420 static int generate_session_id(const SSL *ssl, unsigned char *id,
3421                                 unsigned int *id_len)
3422         {
3423         unsigned int count = 0;
3424         do      {
3425                 RAND_pseudo_bytes(id, *id_len);
3426                 /* Prefix the session_id with the required prefix. NB: If our
3427                  * prefix is too long, clip it - but there will be worse effects
3428                  * anyway, eg. the server could only possibly create 1 session
3429                  * ID (ie. the prefix!) so all future session negotiations will
3430                  * fail due to conflicts. */
3431                 memcpy(id, session_id_prefix,
3432                         (strlen(session_id_prefix) < *id_len) ?
3433                         strlen(session_id_prefix) : *id_len);
3434                 }
3435         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3436                 (++count < MAX_SESSION_ID_ATTEMPTS));
3437         if(count >= MAX_SESSION_ID_ATTEMPTS)
3438                 return 0;
3439         return 1;
3440         }
3441
3442 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3443  * structures without any serialisation. This hides some bugs which only
3444  * become apparent in deployed servers. By implementing a basic external
3445  * session cache some issues can be debugged using s_server.
3446  */
3447
3448 typedef struct simple_ssl_session_st
3449         {
3450         unsigned char *id;
3451         unsigned int idlen;
3452         unsigned char *der;
3453         int derlen;
3454         struct simple_ssl_session_st *next;
3455         } simple_ssl_session;
3456
3457 static simple_ssl_session *first = NULL;
3458
3459 static int add_session(SSL *ssl, SSL_SESSION *session)
3460         {
3461         simple_ssl_session *sess;
3462         unsigned char *p;
3463
3464         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3465
3466         SSL_SESSION_get_id(session, &sess->idlen);
3467         sess->derlen = i2d_SSL_SESSION(session, NULL);
3468
3469         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3470
3471         sess->der = OPENSSL_malloc(sess->derlen);
3472         p = sess->der;
3473         i2d_SSL_SESSION(session, &p);
3474
3475         sess->next = first;
3476         first = sess;
3477         BIO_printf(bio_err, "New session added to external cache\n");
3478         return 0;
3479         }
3480
3481 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3482                                         int *do_copy)
3483         {
3484         simple_ssl_session *sess;
3485         *do_copy = 0;
3486         for (sess = first; sess; sess = sess->next)
3487                 {
3488                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3489                         {
3490                         const unsigned char *p = sess->der;
3491                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3492                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3493                         }
3494                 }
3495         BIO_printf(bio_err, "Lookup session: cache miss\n");
3496         return NULL;
3497         }
3498
3499 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3500         {
3501         simple_ssl_session *sess, *prev = NULL;
3502         const unsigned char *id;
3503         unsigned int idlen;
3504         id = SSL_SESSION_get_id(session, &idlen);
3505         for (sess = first; sess; sess = sess->next)
3506                 {
3507                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3508                         {
3509                         if(prev)
3510                                 prev->next = sess->next;
3511                         else
3512                                 first = sess->next;
3513                         OPENSSL_free(sess->id);
3514                         OPENSSL_free(sess->der);
3515                         OPENSSL_free(sess);
3516                         return;
3517                         }
3518                 prev = sess;
3519                 }
3520         }
3521
3522 static void init_session_cache_ctx(SSL_CTX *sctx)
3523         {
3524         SSL_CTX_set_session_cache_mode(sctx,
3525                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3526         SSL_CTX_sess_set_new_cb(sctx, add_session);
3527         SSL_CTX_sess_set_get_cb(sctx, get_session);
3528         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3529         }
3530
3531 static void free_sessions(void)
3532         {
3533         simple_ssl_session *sess, *tsess;
3534         for (sess = first; sess;)
3535                 {
3536                 OPENSSL_free(sess->id);
3537                 OPENSSL_free(sess->der);
3538                 tsess = sess;
3539                 sess = sess->next;
3540                 OPENSSL_free(tsess);
3541                 }
3542         first = NULL;
3543         }
3544
3545 #ifndef OPENSSL_NO_TLSEXT
3546 static int authz_tlsext_cb(SSL *s, unsigned short ext_type,
3547                            const unsigned char *in,
3548                            unsigned short inlen, int *al,
3549                            void *arg)
3550         {
3551         if (TLSEXT_TYPE_server_authz == ext_type)
3552                 {
3553                 client_provided_server_authz = (memchr(in,
3554                 TLSEXT_AUTHZDATAFORMAT_dtcp,
3555                 inlen) != NULL);
3556                 }
3557
3558         if (TLSEXT_TYPE_client_authz == ext_type)
3559                 {
3560                 client_provided_client_authz = (memchr(in,
3561                 TLSEXT_AUTHZDATAFORMAT_dtcp,
3562                 inlen) != NULL);
3563                 }
3564
3565         return 1;
3566         }
3567
3568 static int authz_tlsext_generate_cb(SSL *s, unsigned short ext_type,
3569                                     const unsigned char **out, unsigned short *outlen,
3570                                     void *arg)
3571         {
3572         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3573                 {
3574                 if (!c_auth_require_reneg || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3575                         {
3576                         *out = auth_ext_data;
3577                         *outlen = 1;
3578                         return 1;
3579                         }
3580                 }
3581         //no auth extension to send
3582         return -1;
3583         }
3584
3585 static int suppdata_cb(SSL *s, unsigned short supp_data_type,
3586                        const unsigned char *in,
3587                        unsigned short inlen, int *al,
3588                        void *arg)
3589         {
3590         if (supp_data_type == TLSEXT_SUPPLEMENTALDATATYPE_authz_data)
3591                 {
3592                 most_recent_supplemental_data = in;
3593                 most_recent_supplemental_data_length = inlen;
3594                 }
3595         return 1;
3596         }
3597
3598 static int auth_suppdata_generate_cb(SSL *s, unsigned short supp_data_type,
3599                                      const unsigned char **out,
3600                                      unsigned short *outlen, void *arg)
3601         {
3602         unsigned char *result;
3603         if (c_auth && client_provided_client_authz && client_provided_server_authz)
3604                 {
3605                 if (!c_auth_require_reneg || (c_auth_require_reneg && SSL_num_renegotiations(s)))
3606                         {
3607                         result = OPENSSL_malloc(10);
3608                         memcpy(result, "1234512345", 10);
3609                         *out = result;
3610                         *outlen = 10;
3611                         return 1;
3612                         }
3613                 }
3614         //no supplemental data to send
3615         return -1;
3616         }
3617 #endif
3618