apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
 208 static int sv_body(char *hostname, int s, unsigned char *context);
 209 static int www_body(char *hostname, int s, unsigned char *context);
 210 static int rev_body(char *hostname, int s, unsigned char *context);
 211 static void close_accept_socket(void );
 212 static void sv_usage(void);
 213 static int init_ssl_connection(SSL *s);
 214 static void print_stats(BIO *bp,SSL_CTX *ctx);
 215 static int generate_session_id(const SSL *ssl, unsigned char *id,
 216                                 unsigned int *id_len);
 217 static void init_session_cache_ctx(SSL_CTX *sctx);
 218 static void free_sessions(void);
 219 #ifndef OPENSSL_NO_DH
 220 static DH *load_dh_param(const char *dhfile);
 221 static DH *get_dh512(void);
 222 #endif
 223
 224 #ifdef MONOLITH
 225 static void s_server_init(void);
 226 #endif
 227
 228 #ifndef OPENSSL_NO_DH
 229 static unsigned char dh512_p[]={
 230         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 231         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 232         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 233         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 234         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 235         0x47,0x74,0xE8,0x33,
 236         };
 237 static unsigned char dh512_g[]={
 238         0x02,
 239         };
 240
 241 static DH *get_dh512(void)
 242         {
 243         DH *dh=NULL;
 244
 245         if ((dh=DH_new()) == NULL) return(NULL);
 246         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 247         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 248         if ((dh->p == NULL) || (dh->g == NULL))
 249                 return(NULL);
 250         return(dh);
 251         }
 252 #endif
 253
 254
 255 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 256
 257 #undef BUFSIZZ
 258 #define BUFSIZZ 16*1024
 259 static int bufsize=BUFSIZZ;
 260 static int accept_socket= -1;
 261
 262 #define TEST_CERT       "server.pem"
 263 #ifndef OPENSSL_NO_TLSEXT
 264 #define TEST_CERT2      "server2.pem"
 265 #endif
 266 #undef PROG
 267 #define PROG            s_server_main
 268
 269 extern int verify_depth, verify_return_error, verify_quiet;
 270
 271 static int s_server_verify=SSL_VERIFY_NONE;
 272 static int s_server_session_id_context = 1; /* anything will do */
 273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 274 #ifndef OPENSSL_NO_TLSEXT
 275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 276 #endif
 277 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 278 #ifdef FIONBIO
 279 static int s_nbio=0;
 280 #endif
 281 static int s_nbio_test=0;
 282 int s_crlf=0;
 283 static SSL_CTX *ctx=NULL;
 284 #ifndef OPENSSL_NO_TLSEXT
 285 static SSL_CTX *ctx2=NULL;
 286 #endif
 287 static int www=0;
 288
 289 static BIO *bio_s_out=NULL;
 290 static BIO *bio_s_msg = NULL;
 291 static int s_debug=0;
 292 #ifndef OPENSSL_NO_TLSEXT
 293 static int s_tlsextdebug=0;
 294 static int s_tlsextstatus=0;
 295 static int cert_status_cb(SSL *s, void *arg);
 296 #endif
 297 static int no_resume_ephemeral = 0;
 298 static int s_msg=0;
 299 static int s_quiet=0;
 300 static int s_ign_eof=0;
 301 static int s_brief=0;
 302
 303 static char *keymatexportlabel=NULL;
 304 static int keymatexportlen=20;
 305
 306 static int hack=0;
 307 #ifndef OPENSSL_NO_ENGINE
 308 static char *engine_id=NULL;
 309 #endif
 310 static const char *session_id_prefix=NULL;
 311
 312 static int enable_timeouts = 0;
 313 static long socket_mtu;
 314 #ifndef OPENSSL_NO_DTLS1
 315 static int cert_chain = 0;
 316 #endif
 317
 318 #ifndef OPENSSL_NO_TLSEXT
 319 static BIO *authz_in = NULL;
 320 static const char *s_authz_file = NULL;
 321 #endif
 322
 323 #ifndef OPENSSL_NO_PSK
 324 static char *psk_identity="Client_identity";
 325 char *psk_key=NULL; /* by default PSK is not used */
 326
 327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 328         unsigned char *psk, unsigned int max_psk_len)
 329         {
 330         unsigned int psk_len = 0;
 331         int ret;
 332         BIGNUM *bn = NULL;
 333
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"psk_server_cb\n");
 336         if (!identity)
 337                 {
 338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 339                 goto out_err;
 340                 }
 341         if (s_debug)
 342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 343                         identity ? (int)strlen(identity) : 0, identity);
 344
 345         /* here we could lookup the given identity e.g. from a database */
 346         if (strcmp(identity, psk_identity) != 0)
 347                 {
 348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 349                            " (got '%s' expected '%s')\n", identity,
 350                            psk_identity);
 351                 goto out_err;
 352                 }
 353         if (s_debug)
 354                 BIO_printf(bio_s_out, "PSK client identity found\n");
 355
 356         /* convert the PSK key to binary */
 357         ret = BN_hex2bn(&bn, psk_key);
 358         if (!ret)
 359                 {
 360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 361                 if (bn)
 362                         BN_free(bn);
 363                 return 0;
 364                 }
 365         if (BN_num_bytes(bn) > (int)max_psk_len)
 366                 {
 367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 368                         max_psk_len, BN_num_bytes(bn));
 369                 BN_free(bn);
 370                 return 0;
 371                 }
 372
 373         ret = BN_bn2bin(bn, psk);
 374         BN_free(bn);
 375
 376         if (ret < 0)
 377                 goto out_err;
 378         psk_len = (unsigned int)ret;
 379
 380         if (s_debug)
 381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 382         return psk_len;
 383  out_err:
 384         if (s_debug)
 385                 BIO_printf(bio_err, "Error in PSK server callback\n");
 386         return 0;
 387         }
 388 #endif
 389
 390 #ifndef OPENSSL_NO_SRP
 391 /* This is a context that we pass to callbacks */
 392 typedef struct srpsrvparm_st
 393         {
 394         char *login;
 395         SRP_VBASE *vb;
 396         SRP_user_pwd *user;
 397         } srpsrvparm;
 398
 399 /* This callback pretends to require some asynchronous logic in order to obtain
 400    a verifier. When the callback is called for a new connection we return
 401    with a negative value. This will provoke the accept etc to return with
 402    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 403    (which would normally occur after a worker has finished) and we
 404    set the user parameters.
 405 */
 406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 407         {
 408         srpsrvparm *p = (srpsrvparm *)arg;
 409         if (p->login == NULL && p->user == NULL )
 410                 {
 411                 p->login = SSL_get_srp_username(s);
 412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 413                 return (-1) ;
 414                 }
 415
 416         if (p->user == NULL)
 417                 {
 418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 419                 return SSL3_AL_FATAL;
 420                 }
 421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 422                                      p->user->info) < 0)
 423                 {
 424                 *ad = SSL_AD_INTERNAL_ERROR;
 425                 return SSL3_AL_FATAL;
 426                 }
 427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 428         /* need to check whether there are memory leaks */
 429         p->user = NULL;
 430         p->login = NULL;
 431         return SSL_ERROR_NONE;
 432         }
 433
 434 #endif
 435
 436 #ifdef MONOLITH
 437 static void s_server_init(void)
 438         {
 439         accept_socket=-1;
 440         s_server_verify=SSL_VERIFY_NONE;
 441         s_dcert_file=NULL;
 442         s_dkey_file=NULL;
 443         s_dchain_file=NULL;
 444         s_cert_file=TEST_CERT;
 445         s_key_file=NULL;
 446         s_chain_file=NULL;
 447 #ifndef OPENSSL_NO_TLSEXT
 448         s_cert_file2=TEST_CERT2;
 449         s_key_file2=NULL;
 450         ctx2=NULL;
 451 #endif
 452 #ifdef FIONBIO
 453         s_nbio=0;
 454 #endif
 455         s_nbio_test=0;
 456         ctx=NULL;
 457         www=0;
 458
 459         bio_s_out=NULL;
 460         s_debug=0;
 461         s_msg=0;
 462         s_quiet=0;
 463         s_brief=0;
 464         hack=0;
 465 #ifndef OPENSSL_NO_ENGINE
 466         engine_id=NULL;
 467 #endif
 468         }
 469 #endif
 470
 471 static void sv_usage(void)
 472         {
 473         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 474         BIO_printf(bio_err,"\n");
 475         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 476         BIO_printf(bio_err," -context arg  - set session ID context\n");
 477         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 478         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 479         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 480         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 481         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 482         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 483                            "                 The CRL(s) are appended to the certificate file\n");
 484         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 485                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 486                            "                 the certificate file.\n");
 487         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 488         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 489         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 490         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 491         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 492         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 493         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 494         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 495         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 496         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 497         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 498         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 499 #ifndef OPENSSL_NO_ECDH
 500         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 501                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 502                            "                 (default is nistp256).\n");
 503 #endif
 504 #ifdef FIONBIO
 505         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 506 #endif
 507         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 508         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 509         BIO_printf(bio_err," -debug        - Print more output\n");
 510         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 511         BIO_printf(bio_err," -state        - Print the SSL states\n");
 512         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 513         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 514         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 515         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 516         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 517         BIO_printf(bio_err," -quiet        - No server output\n");
 518         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 519 #ifndef OPENSSL_NO_PSK
 520         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 521         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 522 # ifndef OPENSSL_NO_JPAKE
 523         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 524 # endif
 525 #endif
 526 #ifndef OPENSSL_NO_SRP
 527         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 528         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 529 #endif
 530         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 531         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 532         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 533         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 534         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 535         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 536         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 537         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 538         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 539         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 540         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 541         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 542         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 543         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 544 #ifndef OPENSSL_NO_DH
 545         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 546 #endif
 547 #ifndef OPENSSL_NO_ECDH
 548         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 549 #endif
 550         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 551         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 552         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 553         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 554         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 555         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 556 #ifndef OPENSSL_NO_ENGINE
 557         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 558 #endif
 559         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 560         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 561 #ifndef OPENSSL_NO_TLSEXT
 562         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 563         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 564         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 565         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 566         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 567         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 568         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 569         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 570         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 571 # ifndef OPENSSL_NO_NEXTPROTONEG
 572         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 573 # endif
 574         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 575 #endif
 576         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 577         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 578         }
 579
 580 static int local_argc=0;
 581 static char **local_argv;
 582
 583 #ifdef CHARSET_EBCDIC
 584 static int ebcdic_new(BIO *bi);
 585 static int ebcdic_free(BIO *a);
 586 static int ebcdic_read(BIO *b, char *out, int outl);
 587 static int ebcdic_write(BIO *b, const char *in, int inl);
 588 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 589 static int ebcdic_gets(BIO *bp, char *buf, int size);
 590 static int ebcdic_puts(BIO *bp, const char *str);
 591
 592 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 593 static BIO_METHOD methods_ebcdic=
 594         {
 595         BIO_TYPE_EBCDIC_FILTER,
 596         "EBCDIC/ASCII filter",
 597         ebcdic_write,
 598         ebcdic_read,
 599         ebcdic_puts,
 600         ebcdic_gets,
 601         ebcdic_ctrl,
 602         ebcdic_new,
 603         ebcdic_free,
 604         };
 605
 606 typedef struct
 607 {
 608         size_t  alloced;
 609         char    buff[1];
 610 } EBCDIC_OUTBUFF;
 611
 612 BIO_METHOD *BIO_f_ebcdic_filter()
 613 {
 614         return(&methods_ebcdic);
 615 }
 616
 617 static int ebcdic_new(BIO *bi)
 618 {
 619         EBCDIC_OUTBUFF *wbuf;
 620
 621         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 622         wbuf->alloced = 1024;
 623         wbuf->buff[0] = '\0';
 624
 625         bi->ptr=(char *)wbuf;
 626         bi->init=1;
 627         bi->flags=0;
 628         return(1);
 629 }
 630
 631 static int ebcdic_free(BIO *a)
 632 {
 633         if (a == NULL) return(0);
 634         if (a->ptr != NULL)
 635                 OPENSSL_free(a->ptr);
 636         a->ptr=NULL;
 637         a->init=0;
 638         a->flags=0;
 639         return(1);
 640 }
 641
 642 static int ebcdic_read(BIO *b, char *out, int outl)
 643 {
 644         int ret=0;
 645
 646         if (out == NULL || outl == 0) return(0);
 647         if (b->next_bio == NULL) return(0);
 648
 649         ret=BIO_read(b->next_bio,out,outl);
 650         if (ret > 0)
 651                 ascii2ebcdic(out,out,ret);
 652         return(ret);
 653 }
 654
 655 static int ebcdic_write(BIO *b, const char *in, int inl)
 656 {
 657         EBCDIC_OUTBUFF *wbuf;
 658         int ret=0;
 659         int num;
 660         unsigned char n;
 661
 662         if ((in == NULL) || (inl <= 0)) return(0);
 663         if (b->next_bio == NULL) return(0);
 664
 665         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 666
 667         if (inl > (num = wbuf->alloced))
 668         {
 669                 num = num + num;  /* double the size */
 670                 if (num < inl)
 671                         num = inl;
 672                 OPENSSL_free(wbuf);
 673                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 674
 675                 wbuf->alloced = num;
 676                 wbuf->buff[0] = '\0';
 677
 678                 b->ptr=(char *)wbuf;
 679         }
 680
 681         ebcdic2ascii(wbuf->buff, in, inl);
 682
 683         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 684
 685         return(ret);
 686 }
 687
 688 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 689 {
 690         long ret;
 691
 692         if (b->next_bio == NULL) return(0);
 693         switch (cmd)
 694         {
 695         case BIO_CTRL_DUP:
 696                 ret=0L;
 697                 break;
 698         default:
 699                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 700                 break;
 701         }
 702         return(ret);
 703 }
 704
 705 static int ebcdic_gets(BIO *bp, char *buf, int size)
 706 {
 707         int i, ret=0;
 708         if (bp->next_bio == NULL) return(0);
 709 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 710         for (i=0; i<size-1; ++i)
 711         {
 712                 ret = ebcdic_read(bp,&buf[i],1);
 713                 if (ret <= 0)
 714                         break;
 715                 else if (buf[i] == '\n')
 716                 {
 717                         ++i;
 718                         break;
 719                 }
 720         }
 721         if (i < size)
 722                 buf[i] = '\0';
 723         return (ret < 0 && i == 0) ? ret : i;
 724 }
 725
 726 static int ebcdic_puts(BIO *bp, const char *str)
 727 {
 728         if (bp->next_bio == NULL) return(0);
 729         return ebcdic_write(bp, str, strlen(str));
 730 }
 731 #endif
 732
 733 #ifndef OPENSSL_NO_TLSEXT
 734
 735 /* This is a context that we pass to callbacks */
 736 typedef struct tlsextctx_st {
 737    char * servername;
 738    BIO * biodebug;
 739    int extension_error;
 740 } tlsextctx;
 741
 742
 743 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 744         {
 745         tlsextctx * p = (tlsextctx *) arg;
 746         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 747         if (servername && p->biodebug)
 748                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 749
 750         if (!p->servername)
 751                 return SSL_TLSEXT_ERR_NOACK;
 752
 753         if (servername)
 754                 {
 755                 if (strcmp(servername,p->servername))
 756                         return p->extension_error;
 757                 if (ctx2)
 758                         {
 759                         BIO_printf(p->biodebug,"Switching server context.\n");
 760                         SSL_set_SSL_CTX(s,ctx2);
 761                         }
 762                 }
 763         return SSL_TLSEXT_ERR_OK;
 764 }
 765
 766 /* Structure passed to cert status callback */
 767
 768 typedef struct tlsextstatusctx_st {
 769    /* Default responder to use */
 770    char *host, *path, *port;
 771    int use_ssl;
 772    int timeout;
 773    BIO *err;
 774    int verbose;
 775 } tlsextstatusctx;
 776
 777 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 778
 779 /* Certificate Status callback. This is called when a client includes a
 780  * certificate status request extension.
 781  *
 782  * This is a simplified version. It examines certificates each time and
 783  * makes one OCSP responder query for each request.
 784  *
 785  * A full version would store details such as the OCSP certificate IDs and
 786  * minimise the number of OCSP responses by caching them until they were
 787  * considered "expired".
 788  */
 789
 790 static int cert_status_cb(SSL *s, void *arg)
 791         {
 792         tlsextstatusctx *srctx = arg;
 793         BIO *err = srctx->err;
 794         char *host, *port, *path;
 795         int use_ssl;
 796         unsigned char *rspder = NULL;
 797         int rspderlen;
 798         STACK_OF(OPENSSL_STRING) *aia = NULL;
 799         X509 *x = NULL;
 800         X509_STORE_CTX inctx;
 801         X509_OBJECT obj;
 802         OCSP_REQUEST *req = NULL;
 803         OCSP_RESPONSE *resp = NULL;
 804         OCSP_CERTID *id = NULL;
 805         STACK_OF(X509_EXTENSION) *exts;
 806         int ret = SSL_TLSEXT_ERR_NOACK;
 807         int i;
 808 #if 0
 809 STACK_OF(OCSP_RESPID) *ids;
 810 SSL_get_tlsext_status_ids(s, &ids);
 811 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 812 #endif
 813         if (srctx->verbose)
 814                 BIO_puts(err, "cert_status: callback called\n");
 815         /* Build up OCSP query from server certificate */
 816         x = SSL_get_certificate(s);
 817         aia = X509_get1_ocsp(x);
 818         if (aia)
 819                 {
 820                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 821                         &host, &port, &path, &use_ssl))
 822                         {
 823                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 824                         goto err;
 825                         }
 826                 if (srctx->verbose)
 827                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 828                                         sk_OPENSSL_STRING_value(aia, 0));
 829                 }
 830         else
 831                 {
 832                 if (!srctx->host)
 833                         {
 834                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 835                         goto done;
 836                         }
 837                 host = srctx->host;
 838                 path = srctx->path;
 839                 port = srctx->port;
 840                 use_ssl = srctx->use_ssl;
 841                 }
 842
 843         if (!X509_STORE_CTX_init(&inctx,
 844                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 845                                 NULL, NULL))
 846                 goto err;
 847         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 848                                 X509_get_issuer_name(x),&obj) <= 0)
 849                 {
 850                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 851                 X509_STORE_CTX_cleanup(&inctx);
 852                 goto done;
 853                 }
 854         req = OCSP_REQUEST_new();
 855         if (!req)
 856                 goto err;
 857         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 858         X509_free(obj.data.x509);
 859         X509_STORE_CTX_cleanup(&inctx);
 860         if (!id)
 861                 goto err;
 862         if (!OCSP_request_add0_id(req, id))
 863                 goto err;
 864         id = NULL;
 865         /* Add any extensions to the request */
 866         SSL_get_tlsext_status_exts(s, &exts);
 867         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 868                 {
 869                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 870                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 871                         goto err;
 872                 }
 873         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 874                                         srctx->timeout);
 875         if (!resp)
 876                 {
 877                 BIO_puts(err, "cert_status: error querying responder\n");
 878                 goto done;
 879                 }
 880         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 881         if (rspderlen <= 0)
 882                 goto err;
 883         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 884         if (srctx->verbose)
 885                 {
 886                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 887                 OCSP_RESPONSE_print(err, resp, 2);
 888                 }
 889         ret = SSL_TLSEXT_ERR_OK;
 890         done:
 891         if (ret != SSL_TLSEXT_ERR_OK)
 892                 ERR_print_errors(err);
 893         if (aia)
 894                 {
 895                 OPENSSL_free(host);
 896                 OPENSSL_free(path);
 897                 OPENSSL_free(port);
 898                 X509_email_free(aia);
 899                 }
 900         if (id)
 901                 OCSP_CERTID_free(id);
 902         if (req)
 903                 OCSP_REQUEST_free(req);
 904         if (resp)
 905                 OCSP_RESPONSE_free(resp);
 906         return ret;
 907         err:
 908         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 909         goto done;
 910         }
 911
 912 # ifndef OPENSSL_NO_NEXTPROTONEG
 913 /* This is the context that we pass to next_proto_cb */
 914 typedef struct tlsextnextprotoctx_st {
 915         unsigned char *data;
 916         unsigned int len;
 917 } tlsextnextprotoctx;
 918
 919 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 920         {
 921         tlsextnextprotoctx *next_proto = arg;
 922
 923         *data = next_proto->data;
 924         *len = next_proto->len;
 925
 926         return SSL_TLSEXT_ERR_OK;
 927         }
 928 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 929 #endif
 930
 931 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 932         {
 933         /* disable resumption for sessions with forward secure ciphers */
 934         return is_forward_secure;
 935         }
 936
 937 int MAIN(int, char **);
 938
 939 #ifndef OPENSSL_NO_JPAKE
 940 static char *jpake_secret = NULL;
 941 #define no_jpake !jpake_secret
 942 #else
 943 #define no_jpake 1
 944 #endif
 945 #ifndef OPENSSL_NO_SRP
 946         static srpsrvparm srp_callback_parm;
 947 #endif
 948 static char *srtp_profiles = NULL;
 949
 950 int MAIN(int argc, char *argv[])
 951         {
 952         X509_VERIFY_PARAM *vpm = NULL;
 953         int badarg = 0;
 954         short port=PORT;
 955         char *CApath=NULL,*CAfile=NULL;
 956         char *chCApath=NULL,*chCAfile=NULL;
 957         char *vfyCApath=NULL,*vfyCAfile=NULL;
 958         unsigned char *context = NULL;
 959         char *dhfile = NULL;
 960         int badop=0;
 961         int ret=1;
 962         int build_chain = 0;
 963         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 964         int state=0;
 965         const SSL_METHOD *meth=NULL;
 966         int socket_type=SOCK_STREAM;
 967         ENGINE *e=NULL;
 968         char *inrand=NULL;
 969         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 970         char *passarg = NULL, *pass = NULL;
 971         char *dpassarg = NULL, *dpass = NULL;
 972         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 973         X509 *s_cert = NULL, *s_dcert = NULL;
 974         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 975         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 976         int no_cache = 0, ext_cache = 0;
 977         int rev = 0, naccept = -1;
 978 #ifndef OPENSSL_NO_TLSEXT
 979         EVP_PKEY *s_key2 = NULL;
 980         X509 *s_cert2 = NULL;
 981         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 982 # ifndef OPENSSL_NO_NEXTPROTONEG
 983         const char *next_proto_neg_in = NULL;
 984         tlsextnextprotoctx next_proto;
 985 # endif
 986 #endif
 987 #ifndef OPENSSL_NO_PSK
 988         /* by default do not send a PSK identity hint */
 989         static char *psk_identity_hint=NULL;
 990 #endif
 991 #ifndef OPENSSL_NO_SRP
 992         char *srpuserseed = NULL;
 993         char *srp_verifier_file = NULL;
 994 #endif
 995         SSL_EXCERT *exc = NULL;
 996         SSL_CONF_CTX *cctx = NULL;
 997         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 998
 999         char *crl_file = NULL;
1000         int crl_format = FORMAT_PEM;
1001         int crl_download = 0;
1002         STACK_OF(X509_CRL) *crls = NULL;
1003
1004         meth=SSLv23_server_method();
1005
1006         local_argc=argc;
1007         local_argv=argv;
1008
1009         apps_startup();
1010 #ifdef MONOLITH
1011         s_server_init();
1012 #endif
1013
1014         if (bio_err == NULL)
1015                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1016
1017         if (!load_config(bio_err, NULL))
1018                 goto end;
1019
1020         cctx = SSL_CONF_CTX_new();
1021         if (!cctx)
1022                 goto end;
1023         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1024         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1025
1026         verify_depth=0;
1027 #ifdef FIONBIO
1028         s_nbio=0;
1029 #endif
1030         s_nbio_test=0;
1031
1032         argc--;
1033         argv++;
1034
1035         while (argc >= 1)
1036                 {
1037                 if      ((strcmp(*argv,"-port") == 0) ||
1038                          (strcmp(*argv,"-accept") == 0))
1039                         {
1040                         if (--argc < 1) goto bad;
1041                         if (!extract_port(*(++argv),&port))
1042                                 goto bad;
1043                         }
1044                 else if (strcmp(*argv,"-naccept") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         naccept = atol(*(++argv));
1048                         if (naccept <= 0)
1049                                 {
1050                                 BIO_printf(bio_err, "bad accept value %s\n",
1051                                                         *argv);
1052                                 goto bad;
1053                                 }
1054                         }
1055                 else if (strcmp(*argv,"-verify") == 0)
1056                         {
1057                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1058                         if (--argc < 1) goto bad;
1059                         verify_depth=atoi(*(++argv));
1060                         if (!s_quiet)
1061                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1062                         }
1063                 else if (strcmp(*argv,"-Verify") == 0)
1064                         {
1065                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1066                                 SSL_VERIFY_CLIENT_ONCE;
1067                         if (--argc < 1) goto bad;
1068                         verify_depth=atoi(*(++argv));
1069                         if (!s_quiet)
1070                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1071                         }
1072                 else if (strcmp(*argv,"-context") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         context= (unsigned char *)*(++argv);
1076                         }
1077                 else if (strcmp(*argv,"-cert") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         s_cert_file= *(++argv);
1081                         }
1082                 else if (strcmp(*argv,"-CRL") == 0)
1083                         {
1084                         if (--argc < 1) goto bad;
1085                         crl_file= *(++argv);
1086                         }
1087                 else if (strcmp(*argv,"-crl_download") == 0)
1088                         crl_download = 1;
1089 #ifndef OPENSSL_NO_TLSEXT
1090                 else if (strcmp(*argv,"-authz") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         s_authz_file = *(++argv);
1094                         }
1095 #endif
1096                 else if (strcmp(*argv,"-certform") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_cert_format = str2fmt(*(++argv));
1100                         }
1101                 else if (strcmp(*argv,"-key") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         s_key_file= *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-keyform") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_key_format = str2fmt(*(++argv));
1110                         }
1111                 else if (strcmp(*argv,"-pass") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         passarg = *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-cert_chain") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         s_chain_file= *(++argv);
1120                         }
1121                 else if (strcmp(*argv,"-dhparam") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         dhfile = *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-dcertform") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         s_dcert_format = str2fmt(*(++argv));
1130                         }
1131                 else if (strcmp(*argv,"-dcert") == 0)
1132                         {
1133                         if (--argc < 1) goto bad;
1134                         s_dcert_file= *(++argv);
1135                         }
1136                 else if (strcmp(*argv,"-dkeyform") == 0)
1137                         {
1138                         if (--argc < 1) goto bad;
1139                         s_dkey_format = str2fmt(*(++argv));
1140                         }
1141                 else if (strcmp(*argv,"-dpass") == 0)
1142                         {
1143                         if (--argc < 1) goto bad;
1144                         dpassarg = *(++argv);
1145                         }
1146                 else if (strcmp(*argv,"-dkey") == 0)
1147                         {
1148                         if (--argc < 1) goto bad;
1149                         s_dkey_file= *(++argv);
1150                         }
1151                 else if (strcmp(*argv,"-dcert_chain") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         s_dchain_file= *(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-nocert") == 0)
1157                         {
1158                         nocert=1;
1159                         }
1160                 else if (strcmp(*argv,"-CApath") == 0)
1161                         {
1162                         if (--argc < 1) goto bad;
1163                         CApath= *(++argv);
1164                         }
1165                 else if (strcmp(*argv,"-chainCApath") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         chCApath= *(++argv);
1169                         }
1170                 else if (strcmp(*argv,"-verifyCApath") == 0)
1171                         {
1172                         if (--argc < 1) goto bad;
1173                         vfyCApath= *(++argv);
1174                         }
1175                 else if (strcmp(*argv,"-no_cache") == 0)
1176                         no_cache = 1;
1177                 else if (strcmp(*argv,"-ext_cache") == 0)
1178                         ext_cache = 1;
1179                 else if (strcmp(*argv,"-CRLform") == 0)
1180                         {
1181                         if (--argc < 1) goto bad;
1182                         crl_format = str2fmt(*(++argv));
1183                         }
1184                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1185                         {
1186                         if (badarg)
1187                                 goto bad;
1188                         continue;
1189                         }
1190                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1191                         {
1192                         if (badarg)
1193                                 goto bad;
1194                         continue;
1195                         }
1196                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1197                         {
1198                         if (badarg)
1199                                 goto bad;
1200                         continue;
1201                         }
1202                 else if (strcmp(*argv,"-verify_return_error") == 0)
1203                         verify_return_error = 1;
1204                 else if (strcmp(*argv,"-verify_quiet") == 0)
1205                         verify_quiet = 1;
1206                 else if (strcmp(*argv,"-build_chain") == 0)
1207                         build_chain = 1;
1208                 else if (strcmp(*argv,"-CAfile") == 0)
1209                         {
1210                         if (--argc < 1) goto bad;
1211                         CAfile= *(++argv);
1212                         }
1213                 else if (strcmp(*argv,"-chainCAfile") == 0)
1214                         {
1215                         if (--argc < 1) goto bad;
1216                         chCAfile= *(++argv);
1217                         }
1218                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1219                         {
1220                         if (--argc < 1) goto bad;
1221                         vfyCAfile= *(++argv);
1222                         }
1223 #ifdef FIONBIO
1224                 else if (strcmp(*argv,"-nbio") == 0)
1225                         { s_nbio=1; }
1226 #endif
1227                 else if (strcmp(*argv,"-nbio_test") == 0)
1228                         {
1229 #ifdef FIONBIO
1230                         s_nbio=1;
1231 #endif
1232                         s_nbio_test=1;
1233                         }
1234                 else if (strcmp(*argv,"-ign_eof") == 0)
1235                         s_ign_eof=1;
1236                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1237                         s_ign_eof=0;
1238                 else if (strcmp(*argv,"-debug") == 0)
1239                         { s_debug=1; }
1240 #ifndef OPENSSL_NO_TLSEXT
1241                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1242                         s_tlsextdebug=1;
1243                 else if (strcmp(*argv,"-status") == 0)
1244                         s_tlsextstatus=1;
1245                 else if (strcmp(*argv,"-status_verbose") == 0)
1246                         {
1247                         s_tlsextstatus=1;
1248                         tlscstatp.verbose = 1;
1249                         }
1250                 else if (!strcmp(*argv, "-status_timeout"))
1251                         {
1252                         s_tlsextstatus=1;
1253                         if (--argc < 1) goto bad;
1254                         tlscstatp.timeout = atoi(*(++argv));
1255                         }
1256                 else if (!strcmp(*argv, "-status_url"))
1257                         {
1258                         s_tlsextstatus=1;
1259                         if (--argc < 1) goto bad;
1260                         if (!OCSP_parse_url(*(++argv),
1261                                         &tlscstatp.host,
1262                                         &tlscstatp.port,
1263                                         &tlscstatp.path,
1264                                         &tlscstatp.use_ssl))
1265                                 {
1266                                 BIO_printf(bio_err, "Error parsing URL\n");
1267                                 goto bad;
1268                                 }
1269                         }
1270 #endif
1271                 else if (strcmp(*argv,"-msg") == 0)
1272                         { s_msg=1; }
1273                 else if (strcmp(*argv,"-msgfile") == 0)
1274                         {
1275                         if (--argc < 1) goto bad;
1276                         bio_s_msg = BIO_new_file(*(++argv), "w");
1277                         }
1278 #ifndef OPENSSL_NO_SSL_TRACE
1279                 else if (strcmp(*argv,"-trace") == 0)
1280                         { s_msg=2; }
1281 #endif
1282                 else if (strcmp(*argv,"-hack") == 0)
1283                         { hack=1; }
1284                 else if (strcmp(*argv,"-state") == 0)
1285                         { state=1; }
1286                 else if (strcmp(*argv,"-crlf") == 0)
1287                         { s_crlf=1; }
1288                 else if (strcmp(*argv,"-quiet") == 0)
1289                         { s_quiet=1; }
1290                 else if (strcmp(*argv,"-brief") == 0)
1291                         {
1292                         s_quiet=1;
1293                         s_brief=1;
1294                         verify_quiet=1;
1295                         }
1296                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1297                         { no_tmp_rsa=1; }
1298                 else if (strcmp(*argv,"-no_dhe") == 0)
1299                         { no_dhe=1; }
1300                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1301                         { no_ecdhe=1; }
1302                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1303                         { no_resume_ephemeral = 1; }
1304 #ifndef OPENSSL_NO_PSK
1305                 else if (strcmp(*argv,"-psk_hint") == 0)
1306                         {
1307                         if (--argc < 1) goto bad;
1308                         psk_identity_hint= *(++argv);
1309                         }
1310                 else if (strcmp(*argv,"-psk") == 0)
1311                         {
1312                         size_t i;
1313
1314                         if (--argc < 1) goto bad;
1315                         psk_key=*(++argv);
1316                         for (i=0; i<strlen(psk_key); i++)
1317                                 {
1318                                 if (isxdigit((unsigned char)psk_key[i]))
1319                                         continue;
1320                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1321                                 goto bad;
1322                                 }
1323                         }
1324 #endif
1325 #ifndef OPENSSL_NO_SRP
1326                 else if (strcmp(*argv, "-srpvfile") == 0)
1327                         {
1328                         if (--argc < 1) goto bad;
1329                         srp_verifier_file = *(++argv);
1330                         meth = TLSv1_server_method();
1331                         }
1332                 else if (strcmp(*argv, "-srpuserseed") == 0)
1333                         {
1334                         if (--argc < 1) goto bad;
1335                         srpuserseed = *(++argv);
1336                         meth = TLSv1_server_method();
1337                         }
1338 #endif
1339                 else if (strcmp(*argv,"-rev") == 0)
1340                         { rev=1; }
1341                 else if (strcmp(*argv,"-www") == 0)
1342                         { www=1; }
1343                 else if (strcmp(*argv,"-WWW") == 0)
1344                         { www=2; }
1345                 else if (strcmp(*argv,"-HTTP") == 0)
1346                         { www=3; }
1347 #ifndef OPENSSL_NO_SSL2
1348                 else if (strcmp(*argv,"-ssl2") == 0)
1349                         { meth=SSLv2_server_method(); }
1350 #endif
1351 #ifndef OPENSSL_NO_SSL3
1352                 else if (strcmp(*argv,"-ssl3") == 0)
1353                         { meth=SSLv3_server_method(); }
1354 #endif
1355 #ifndef OPENSSL_NO_TLS1
1356                 else if (strcmp(*argv,"-tls1") == 0)
1357                         { meth=TLSv1_server_method(); }
1358                 else if (strcmp(*argv,"-tls1_1") == 0)
1359                         { meth=TLSv1_1_server_method(); }
1360                 else if (strcmp(*argv,"-tls1_2") == 0)
1361                         { meth=TLSv1_2_server_method(); }
1362 #endif
1363 #ifndef OPENSSL_NO_DTLS1
1364                 else if (strcmp(*argv,"-dtls1") == 0)
1365                         {
1366                         meth=DTLSv1_server_method();
1367                         socket_type = SOCK_DGRAM;
1368                         }
1369                 else if (strcmp(*argv,"-timeout") == 0)
1370                         enable_timeouts = 1;
1371                 else if (strcmp(*argv,"-mtu") == 0)
1372                         {
1373                         if (--argc < 1) goto bad;
1374                         socket_mtu = atol(*(++argv));
1375                         }
1376                 else if (strcmp(*argv, "-chain") == 0)
1377                         cert_chain = 1;
1378 #endif
1379                 else if (strcmp(*argv, "-id_prefix") == 0)
1380                         {
1381                         if (--argc < 1) goto bad;
1382                         session_id_prefix = *(++argv);
1383                         }
1384 #ifndef OPENSSL_NO_ENGINE
1385                 else if (strcmp(*argv,"-engine") == 0)
1386                         {
1387                         if (--argc < 1) goto bad;
1388                         engine_id= *(++argv);
1389                         }
1390 #endif
1391                 else if (strcmp(*argv,"-rand") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         inrand= *(++argv);
1395                         }
1396 #ifndef OPENSSL_NO_TLSEXT
1397                 else if (strcmp(*argv,"-servername") == 0)
1398                         {
1399                         if (--argc < 1) goto bad;
1400                         tlsextcbp.servername= *(++argv);
1401                         }
1402                 else if (strcmp(*argv,"-servername_fatal") == 0)
1403                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1404                 else if (strcmp(*argv,"-cert2") == 0)
1405                         {
1406                         if (--argc < 1) goto bad;
1407                         s_cert_file2= *(++argv);
1408                         }
1409                 else if (strcmp(*argv,"-key2") == 0)
1410                         {
1411                         if (--argc < 1) goto bad;
1412                         s_key_file2= *(++argv);
1413                         }
1414 # ifndef OPENSSL_NO_NEXTPROTONEG
1415                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1416                         {
1417                         if (--argc < 1) goto bad;
1418                         next_proto_neg_in = *(++argv);
1419                         }
1420 # endif
1421 #endif
1422 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1423                 else if (strcmp(*argv,"-jpake") == 0)
1424                         {
1425                         if (--argc < 1) goto bad;
1426                         jpake_secret = *(++argv);
1427                         }
1428 #endif
1429                 else if (strcmp(*argv,"-use_srtp") == 0)
1430                         {
1431                         if (--argc < 1) goto bad;
1432                         srtp_profiles = *(++argv);
1433                         }
1434                 else if (strcmp(*argv,"-keymatexport") == 0)
1435                         {
1436                         if (--argc < 1) goto bad;
1437                         keymatexportlabel= *(++argv);
1438                         }
1439                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1440                         {
1441                         if (--argc < 1) goto bad;
1442                         keymatexportlen=atoi(*(++argv));
1443                         if (keymatexportlen == 0) goto bad;
1444                         }
1445                 else
1446                         {
1447                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1448                         badop=1;
1449                         break;
1450                         }
1451                 argc--;
1452                 argv++;
1453                 }
1454         if (badop)
1455                 {
1456 bad:
1457                 sv_usage();
1458                 goto end;
1459                 }
1460
1461 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1462         if (jpake_secret)
1463                 {
1464                 if (psk_key)
1465                         {
1466                         BIO_printf(bio_err,
1467                                    "Can't use JPAKE and PSK together\n");
1468                         goto end;
1469                         }
1470                 psk_identity = "JPAKE";
1471                 }
1472 #endif
1473
1474         SSL_load_error_strings();
1475         OpenSSL_add_ssl_algorithms();
1476
1477 #ifndef OPENSSL_NO_ENGINE
1478         e = setup_engine(bio_err, engine_id, 1);
1479 #endif
1480
1481         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1482                 {
1483                 BIO_printf(bio_err, "Error getting password\n");
1484                 goto end;
1485                 }
1486
1487
1488         if (s_key_file == NULL)
1489                 s_key_file = s_cert_file;
1490 #ifndef OPENSSL_NO_TLSEXT
1491         if (s_key_file2 == NULL)
1492                 s_key_file2 = s_cert_file2;
1493 #endif
1494
1495         if (!load_excert(&exc, bio_err))
1496                 goto end;
1497
1498         if (nocert == 0)
1499                 {
1500                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1501                        "server certificate private key file");
1502                 if (!s_key)
1503                         {
1504                         ERR_print_errors(bio_err);
1505                         goto end;
1506                         }
1507
1508                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1509                         NULL, e, "server certificate file");
1510
1511                 if (!s_cert)
1512                         {
1513                         ERR_print_errors(bio_err);
1514                         goto end;
1515                         }
1516                 if (s_chain_file)
1517                         {
1518                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1519                                         NULL, e, "server certificate chain");
1520                         if (!s_chain)
1521                                 goto end;
1522                         }
1523
1524 #ifndef OPENSSL_NO_TLSEXT
1525                 if (tlsextcbp.servername)
1526                         {
1527                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1528                                 "second server certificate private key file");
1529                         if (!s_key2)
1530                                 {
1531                                 ERR_print_errors(bio_err);
1532                                 goto end;
1533                                 }
1534
1535                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1536                                 NULL, e, "second server certificate file");
1537
1538                         if (!s_cert2)
1539                                 {
1540                                 ERR_print_errors(bio_err);
1541                                 goto end;
1542                                 }
1543                         }
1544 #endif /* OPENSSL_NO_TLSEXT */
1545                 }
1546
1547 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1548         if (next_proto_neg_in)
1549                 {
1550                 unsigned short len;
1551                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1552                 if (next_proto.data == NULL)
1553                         goto end;
1554                 next_proto.len = len;
1555                 }
1556         else
1557                 {
1558                 next_proto.data = NULL;
1559                 }
1560 #endif
1561
1562         if (crl_file)
1563                 {
1564                 X509_CRL *crl;
1565                 crl = load_crl(crl_file, crl_format);
1566                 if (!crl)
1567                         {
1568                         BIO_puts(bio_err, "Error loading CRL\n");
1569                         ERR_print_errors(bio_err);
1570                         goto end;
1571                         }
1572                 crls = sk_X509_CRL_new_null();
1573                 if (!crls || !sk_X509_CRL_push(crls, crl))
1574                         {
1575                         BIO_puts(bio_err, "Error adding CRL\n");
1576                         ERR_print_errors(bio_err);
1577                         X509_CRL_free(crl);
1578                         goto end;
1579                         }
1580                 }
1581
1582
1583         if (s_dcert_file)
1584                 {
1585
1586                 if (s_dkey_file == NULL)
1587                         s_dkey_file = s_dcert_file;
1588
1589                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1590                                 0, dpass, e,
1591                                "second certificate private key file");
1592                 if (!s_dkey)
1593                         {
1594                         ERR_print_errors(bio_err);
1595                         goto end;
1596                         }
1597
1598                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1599                                 NULL, e, "second server certificate file");
1600
1601                 if (!s_dcert)
1602                         {
1603                         ERR_print_errors(bio_err);
1604                         goto end;
1605                         }
1606                 if (s_dchain_file)
1607                         {
1608                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1609                                 NULL, e, "second server certificate chain");
1610                         if (!s_dchain)
1611                                 goto end;
1612                         }
1613
1614                 }
1615
1616         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1617                 && !RAND_status())
1618                 {
1619                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1620                 }
1621         if (inrand != NULL)
1622                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1623                         app_RAND_load_files(inrand));
1624
1625         if (bio_s_out == NULL)
1626                 {
1627                 if (s_quiet && !s_debug)
1628                         {
1629                         bio_s_out=BIO_new(BIO_s_null());
1630                         if (s_msg && !bio_s_msg)
1631                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1632                         }
1633                 else
1634                         {
1635                         if (bio_s_out == NULL)
1636                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1637                         }
1638                 }
1639
1640 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1641         if (nocert)
1642 #endif
1643                 {
1644                 s_cert_file=NULL;
1645                 s_key_file=NULL;
1646                 s_dcert_file=NULL;
1647                 s_dkey_file=NULL;
1648 #ifndef OPENSSL_NO_TLSEXT
1649                 s_cert_file2=NULL;
1650                 s_key_file2=NULL;
1651 #endif
1652                 }
1653
1654         ctx=SSL_CTX_new(meth);
1655         if (ctx == NULL)
1656                 {
1657                 ERR_print_errors(bio_err);
1658                 goto end;
1659                 }
1660         if (session_id_prefix)
1661                 {
1662                 if(strlen(session_id_prefix) >= 32)
1663                         BIO_printf(bio_err,
1664 "warning: id_prefix is too long, only one new session will be possible\n");
1665                 else if(strlen(session_id_prefix) >= 16)
1666                         BIO_printf(bio_err,
1667 "warning: id_prefix is too long if you use SSLv2\n");
1668                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1669                         {
1670                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1671                         ERR_print_errors(bio_err);
1672                         goto end;
1673                         }
1674                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1675                 }
1676         SSL_CTX_set_quiet_shutdown(ctx,1);
1677         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1678         if (exc) ssl_ctx_set_excert(ctx, exc);
1679         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1680          * Setting read ahead solves this problem.
1681          */
1682         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1683
1684         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1685         if (no_cache)
1686                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1687         else if (ext_cache)
1688                 init_session_cache_ctx(ctx);
1689         else
1690                 SSL_CTX_sess_set_cache_size(ctx,128);
1691
1692         if (srtp_profiles != NULL)
1693                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1694
1695 #if 0
1696         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1697 #endif
1698
1699 #if 0
1700         if (s_cert_file == NULL)
1701                 {
1702                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1703                 goto end;
1704                 }
1705 #endif
1706
1707         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1708                 (!SSL_CTX_set_default_verify_paths(ctx)))
1709                 {
1710                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1711                 ERR_print_errors(bio_err);
1712                 /* goto end; */
1713                 }
1714         if (vpm)
1715                 SSL_CTX_set1_param(ctx, vpm);
1716
1717         ssl_ctx_add_crls(ctx, crls, 0);
1718         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1719                 goto end;
1720
1721         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1722                                                 crls, crl_download))
1723                 {
1724                 BIO_printf(bio_err, "Error loading store locations\n");
1725                 ERR_print_errors(bio_err);
1726                 goto end;
1727                 }
1728
1729 #ifndef OPENSSL_NO_TLSEXT
1730         if (s_cert2)
1731                 {
1732                 ctx2=SSL_CTX_new(meth);
1733                 if (ctx2 == NULL)
1734                         {
1735                         ERR_print_errors(bio_err);
1736                         goto end;
1737                         }
1738                 }
1739
1740         if (ctx2)
1741                 {
1742                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1743
1744                 if (session_id_prefix)
1745                         {
1746                         if(strlen(session_id_prefix) >= 32)
1747                                 BIO_printf(bio_err,
1748                                         "warning: id_prefix is too long, only one new session will be possible\n");
1749                         else if(strlen(session_id_prefix) >= 16)
1750                                 BIO_printf(bio_err,
1751                                         "warning: id_prefix is too long if you use SSLv2\n");
1752                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1753                                 {
1754                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1755                                 ERR_print_errors(bio_err);
1756                                 goto end;
1757                                 }
1758                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1759                         }
1760                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1761                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1762                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1763                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1764                  * Setting read ahead solves this problem.
1765                  */
1766                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1767
1768                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1769
1770                 if (no_cache)
1771                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1772                 else if (ext_cache)
1773                         init_session_cache_ctx(ctx2);
1774                 else
1775                         SSL_CTX_sess_set_cache_size(ctx2,128);
1776
1777                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1778                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1779                         {
1780                         ERR_print_errors(bio_err);
1781                         }
1782                 if (vpm)
1783                         SSL_CTX_set1_param(ctx2, vpm);
1784
1785                 ssl_ctx_add_crls(ctx2, crls, 0);
1786                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1787                         goto end;
1788                 }
1789
1790 # ifndef OPENSSL_NO_NEXTPROTONEG
1791         if (next_proto.data)
1792                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1793 # endif
1794 #endif
1795
1796 #ifndef OPENSSL_NO_DH
1797         if (!no_dhe)
1798                 {
1799                 DH *dh=NULL;
1800
1801                 if (dhfile)
1802                         dh = load_dh_param(dhfile);
1803                 else if (s_cert_file)
1804                         dh = load_dh_param(s_cert_file);
1805
1806                 if (dh != NULL)
1807                         {
1808                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1809                         }
1810                 else
1811                         {
1812                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1813                         dh=get_dh512();
1814                         }
1815                 (void)BIO_flush(bio_s_out);
1816
1817                 SSL_CTX_set_tmp_dh(ctx,dh);
1818 #ifndef OPENSSL_NO_TLSEXT
1819                 if (ctx2)
1820                         {
1821                         if (!dhfile)
1822                                 {
1823                                 DH *dh2=load_dh_param(s_cert_file2);
1824                                 if (dh2 != NULL)
1825                                         {
1826                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1827                                         (void)BIO_flush(bio_s_out);
1828
1829                                         DH_free(dh);
1830                                         dh = dh2;
1831                                         }
1832                                 }
1833                         SSL_CTX_set_tmp_dh(ctx2,dh);
1834                         }
1835 #endif
1836                 DH_free(dh);
1837                 }
1838 #endif
1839
1840         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1841                 goto end;
1842 #ifndef OPENSSL_NO_TLSEXT
1843         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1844                 goto end;
1845 #endif
1846 #ifndef OPENSSL_NO_TLSEXT
1847         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1848                 goto end;
1849 #endif
1850         if (s_dcert != NULL)
1851                 {
1852                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1853                         goto end;
1854                 }
1855
1856 #ifndef OPENSSL_NO_RSA
1857 #if 1
1858         if (!no_tmp_rsa)
1859                 {
1860                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1861 #ifndef OPENSSL_NO_TLSEXT
1862                 if (ctx2)
1863                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1864 #endif
1865                 }
1866 #else
1867         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1868                 {
1869                 RSA *rsa;
1870
1871                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1872                 BIO_flush(bio_s_out);
1873
1874                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1875
1876                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1877                         {
1878                         ERR_print_errors(bio_err);
1879                         goto end;
1880                         }
1881 #ifndef OPENSSL_NO_TLSEXT
1882                         if (ctx2)
1883                                 {
1884                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1885                                         {
1886                                         ERR_print_errors(bio_err);
1887                                         goto end;
1888                                         }
1889                                 }
1890 #endif
1891                 RSA_free(rsa);
1892                 BIO_printf(bio_s_out,"\n");
1893                 }
1894 #endif
1895 #endif
1896
1897         if (no_resume_ephemeral)
1898                 {
1899                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1900 #ifndef OPENSSL_NO_TLSEXT
1901                 if (ctx2)
1902                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1903 #endif
1904                 }
1905
1906 #ifndef OPENSSL_NO_PSK
1907 #ifdef OPENSSL_NO_JPAKE
1908         if (psk_key != NULL)
1909 #else
1910         if (psk_key != NULL || jpake_secret)
1911 #endif
1912                 {
1913                 if (s_debug)
1914                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1915                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1916                 }
1917
1918         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1919                 {
1920                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1921                 ERR_print_errors(bio_err);
1922                 goto end;
1923                 }
1924 #endif
1925
1926         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1927         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1928                 sizeof s_server_session_id_context);
1929
1930         /* Set DTLS cookie generation and verification callbacks */
1931         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1932         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1933
1934 #ifndef OPENSSL_NO_TLSEXT
1935         if (ctx2)
1936                 {
1937                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1938                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1939                         sizeof s_server_session_id_context);
1940
1941                 tlsextcbp.biodebug = bio_s_out;
1942                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1943                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1944                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1945                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1946                 }
1947 #endif
1948
1949 #ifndef OPENSSL_NO_SRP
1950         if (srp_verifier_file != NULL)
1951                 {
1952                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1953                 srp_callback_parm.user = NULL;
1954                 srp_callback_parm.login = NULL;
1955                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1956                         {
1957                         BIO_printf(bio_err,
1958                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1959                                    srp_verifier_file, ret);
1960                                 goto end;
1961                         }
1962                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1963                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1964                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1965                 }
1966         else
1967 #endif
1968         if (CAfile != NULL)
1969                 {
1970                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1971 #ifndef OPENSSL_NO_TLSEXT
1972                 if (ctx2)
1973                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1974 #endif
1975                 }
1976
1977         BIO_printf(bio_s_out,"ACCEPT\n");
1978         (void)BIO_flush(bio_s_out);
1979         if (rev)
1980                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
1981         else if (www)
1982                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
1983         else
1984                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
1985         print_stats(bio_s_out,ctx);
1986         ret=0;
1987 end:
1988         if (ctx != NULL) SSL_CTX_free(ctx);
1989         if (s_cert)
1990                 X509_free(s_cert);
1991         if (crls)
1992                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
1993         if (s_dcert)
1994                 X509_free(s_dcert);
1995         if (s_key)
1996                 EVP_PKEY_free(s_key);
1997         if (s_dkey)
1998                 EVP_PKEY_free(s_dkey);
1999         if (s_chain)
2000                 sk_X509_pop_free(s_chain, X509_free);
2001         if (s_dchain)
2002                 sk_X509_pop_free(s_dchain, X509_free);
2003         if (pass)
2004                 OPENSSL_free(pass);
2005         if (dpass)
2006                 OPENSSL_free(dpass);
2007         if (vpm)
2008                 X509_VERIFY_PARAM_free(vpm);
2009         free_sessions();
2010 #ifndef OPENSSL_NO_TLSEXT
2011         if (tlscstatp.host)
2012                 OPENSSL_free(tlscstatp.host);
2013         if (tlscstatp.port)
2014                 OPENSSL_free(tlscstatp.port);
2015         if (tlscstatp.path)
2016                 OPENSSL_free(tlscstatp.path);
2017         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2018         if (s_cert2)
2019                 X509_free(s_cert2);
2020         if (s_key2)
2021                 EVP_PKEY_free(s_key2);
2022         if (authz_in != NULL)
2023                 BIO_free(authz_in);
2024 #endif
2025         ssl_excert_free(exc);
2026         if (ssl_args)
2027                 sk_OPENSSL_STRING_free(ssl_args);
2028         if (cctx)
2029                 SSL_CONF_CTX_free(cctx);
2030 #ifndef OPENSSL_NO_JPAKE
2031         if (jpake_secret && psk_key)
2032                 OPENSSL_free(psk_key);
2033 #endif
2034         if (bio_s_out != NULL)
2035                 {
2036                 BIO_free(bio_s_out);
2037                 bio_s_out=NULL;
2038                 }
2039         if (bio_s_msg != NULL)
2040                 {
2041                 BIO_free(bio_s_msg);
2042                 bio_s_msg = NULL;
2043                 }
2044         apps_shutdown();
2045         OPENSSL_EXIT(ret);
2046         }
2047
2048 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2049         {
2050         BIO_printf(bio,"%4ld items in the session cache\n",
2051                 SSL_CTX_sess_number(ssl_ctx));
2052         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2053                 SSL_CTX_sess_connect(ssl_ctx));
2054         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2055                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2056         BIO_printf(bio,"%4ld client connects that finished\n",
2057                 SSL_CTX_sess_connect_good(ssl_ctx));
2058         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2059                 SSL_CTX_sess_accept(ssl_ctx));
2060         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2061                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2062         BIO_printf(bio,"%4ld server accepts that finished\n",
2063                 SSL_CTX_sess_accept_good(ssl_ctx));
2064         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2065         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2066         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2067         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2068         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2069                 SSL_CTX_sess_cache_full(ssl_ctx),
2070                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2071         }
2072
2073 static int sv_body(char *hostname, int s, unsigned char *context)
2074         {
2075         char *buf=NULL;
2076         fd_set readfds;
2077         int ret=1,width;
2078         int k,i;
2079         unsigned long l;
2080         SSL *con=NULL;
2081         BIO *sbio;
2082 #ifndef OPENSSL_NO_KRB5
2083         KSSL_CTX *kctx;
2084 #endif
2085         struct timeval timeout;
2086 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2087         struct timeval tv;
2088 #else
2089         struct timeval *timeoutp;
2090 #endif
2091
2092         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2093                 {
2094                 BIO_printf(bio_err,"out of memory\n");
2095                 goto err;
2096                 }
2097 #ifdef FIONBIO
2098         if (s_nbio)
2099                 {
2100                 unsigned long sl=1;
2101
2102                 if (!s_quiet)
2103                         BIO_printf(bio_err,"turning on non blocking io\n");
2104                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2105                         ERR_print_errors(bio_err);
2106                 }
2107 #endif
2108
2109         if (con == NULL) {
2110                 con=SSL_new(ctx);
2111 #ifndef OPENSSL_NO_TLSEXT
2112         if (s_tlsextdebug)
2113                 {
2114                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2115                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2116                 }
2117         if (s_tlsextstatus)
2118                 {
2119                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2120                 tlscstatp.err = bio_err;
2121                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2122                 }
2123 #endif
2124 #ifndef OPENSSL_NO_KRB5
2125                 if ((kctx = kssl_ctx_new()) != NULL)
2126                         {
2127                         SSL_set0_kssl_ctx(con, kctx);
2128                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2129                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2130                         }
2131 #endif  /* OPENSSL_NO_KRB5 */
2132                 if(context)
2133                       SSL_set_session_id_context(con, context,
2134                                                  strlen((char *)context));
2135         }
2136         SSL_clear(con);
2137 #if 0
2138 #ifdef TLSEXT_TYPE_opaque_prf_input
2139         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2140 #endif
2141 #endif
2142
2143         if (SSL_version(con) == DTLS1_VERSION)
2144                 {
2145
2146                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2147
2148                 if (enable_timeouts)
2149                         {
2150                         timeout.tv_sec = 0;
2151                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2152                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2153
2154                         timeout.tv_sec = 0;
2155                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2156                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2157                         }
2158
2159                 if (socket_mtu > 28)
2160                         {
2161                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2162                         SSL_set_mtu(con, socket_mtu - 28);
2163                         }
2164                 else
2165                         /* want to do MTU discovery */
2166                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2167
2168         /* turn on cookie exchange */
2169         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2170                 }
2171         else
2172                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2173
2174         if (s_nbio_test)
2175                 {
2176                 BIO *test;
2177
2178                 test=BIO_new(BIO_f_nbio_test());
2179                 sbio=BIO_push(test,sbio);
2180                 }
2181 #ifndef OPENSSL_NO_JPAKE
2182         if(jpake_secret)
2183                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2184 #endif
2185
2186         SSL_set_bio(con,sbio,sbio);
2187         SSL_set_accept_state(con);
2188         /* SSL_set_fd(con,s); */
2189
2190         if (s_debug)
2191                 {
2192                 SSL_set_debug(con, 1);
2193                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2194                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2195                 }
2196         if (s_msg)
2197                 {
2198 #ifndef OPENSSL_NO_SSL_TRACE
2199                 if (s_msg == 2)
2200                         SSL_set_msg_callback(con, SSL_trace);
2201                 else
2202 #endif
2203                         SSL_set_msg_callback(con, msg_cb);
2204                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2205                 }
2206 #ifndef OPENSSL_NO_TLSEXT
2207         if (s_tlsextdebug)
2208                 {
2209                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2210                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2211                 }
2212 #endif
2213
2214         width=s+1;
2215         for (;;)
2216                 {
2217                 int read_from_terminal;
2218                 int read_from_sslcon;
2219
2220                 read_from_terminal = 0;
2221                 read_from_sslcon = SSL_pending(con);
2222
2223                 if (!read_from_sslcon)
2224                         {
2225                         FD_ZERO(&readfds);
2226 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2227                         openssl_fdset(fileno(stdin),&readfds);
2228 #endif
2229                         openssl_fdset(s,&readfds);
2230                         /* Note: under VMS with SOCKETSHR the second parameter is
2231                          * currently of type (int *) whereas under other systems
2232                          * it is (void *) if you don't have a cast it will choke
2233                          * the compiler: if you do have a cast then you can either
2234                          * go for (int *) or (void *).
2235                          */
2236 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2237                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2238                          * on sockets. As a workaround we timeout the select every
2239                          * second and check for any keypress. In a proper Windows
2240                          * application we wouldn't do this because it is inefficient.
2241                          */
2242                         tv.tv_sec = 1;
2243                         tv.tv_usec = 0;
2244                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2245                         if((i < 0) || (!i && !_kbhit() ) )continue;
2246                         if(_kbhit())
2247                                 read_from_terminal = 1;
2248 #elif defined(OPENSSL_SYS_BEOS_R5)
2249                         /* Under BeOS-R5 the situation is similar to DOS */
2250                         tv.tv_sec = 1;
2251                         tv.tv_usec = 0;
2252                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2253                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2254                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2255                                 continue;
2256                         if (read(fileno(stdin), buf, 0) >= 0)
2257                                 read_from_terminal = 1;
2258                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2259 #else
2260                         if ((SSL_version(con) == DTLS1_VERSION) &&
2261                                 DTLSv1_get_timeout(con, &timeout))
2262                                 timeoutp = &timeout;
2263                         else
2264                                 timeoutp = NULL;
2265
2266                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2267
2268                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2269                                 {
2270                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2271                                 }
2272
2273                         if (i <= 0) continue;
2274                         if (FD_ISSET(fileno(stdin),&readfds))
2275                                 read_from_terminal = 1;
2276 #endif
2277                         if (FD_ISSET(s,&readfds))
2278                                 read_from_sslcon = 1;
2279                         }
2280                 if (read_from_terminal)
2281                         {
2282                         if (s_crlf)
2283                                 {
2284                                 int j, lf_num;
2285
2286                                 i=raw_read_stdin(buf, bufsize/2);
2287                                 lf_num = 0;
2288                                 /* both loops are skipped when i <= 0 */
2289                                 for (j = 0; j < i; j++)
2290                                         if (buf[j] == '\n')
2291                                                 lf_num++;
2292                                 for (j = i-1; j >= 0; j--)
2293                                         {
2294                                         buf[j+lf_num] = buf[j];
2295                                         if (buf[j] == '\n')
2296                                                 {
2297                                                 lf_num--;
2298                                                 i++;
2299                                                 buf[j+lf_num] = '\r';
2300                                                 }
2301                                         }
2302                                 assert(lf_num == 0);
2303                                 }
2304                         else
2305                                 i=raw_read_stdin(buf,bufsize);
2306                         if (!s_quiet && !s_brief)
2307                                 {
2308                                 if ((i <= 0) || (buf[0] == 'Q'))
2309                                         {
2310                                         BIO_printf(bio_s_out,"DONE\n");
2311                                         SHUTDOWN(s);
2312                                         close_accept_socket();
2313                                         ret= -11;
2314                                         goto err;
2315                                         }
2316                                 if ((i <= 0) || (buf[0] == 'q'))
2317                                         {
2318                                         BIO_printf(bio_s_out,"DONE\n");
2319                                         if (SSL_version(con) != DTLS1_VERSION)
2320                         SHUTDOWN(s);
2321         /*                              close_accept_socket();
2322                                         ret= -11;*/
2323                                         goto err;
2324                                         }
2325
2326 #ifndef OPENSSL_NO_HEARTBEATS
2327                                 if ((buf[0] == 'B') &&
2328                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2329                                         {
2330                                         BIO_printf(bio_err,"HEARTBEATING\n");
2331                                         SSL_heartbeat(con);
2332                                         i=0;
2333                                         continue;
2334                                         }
2335 #endif
2336                                 if ((buf[0] == 'r') &&
2337                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2338                                         {
2339                                         SSL_renegotiate(con);
2340                                         i=SSL_do_handshake(con);
2341                                         printf("SSL_do_handshake -> %d\n",i);
2342                                         i=0; /*13; */
2343                                         continue;
2344                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2345                                         }
2346                                 if ((buf[0] == 'R') &&
2347                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2348                                         {
2349                                         SSL_set_verify(con,
2350                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2351                                         SSL_renegotiate(con);
2352                                         i=SSL_do_handshake(con);
2353                                         printf("SSL_do_handshake -> %d\n",i);
2354                                         i=0; /* 13; */
2355                                         continue;
2356                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2357                                         }
2358                                 if (buf[0] == 'P')
2359                                         {
2360                                         static const char *str="Lets print some clear text\n";
2361                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2362                                         }
2363                                 if (buf[0] == 'S')
2364                                         {
2365                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2366                                         }
2367                                 }
2368 #ifdef CHARSET_EBCDIC
2369                         ebcdic2ascii(buf,buf,i);
2370 #endif
2371                         l=k=0;
2372                         for (;;)
2373                                 {
2374                                 /* should do a select for the write */
2375 #ifdef RENEG
2376 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2377 #endif
2378                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2379 #ifndef OPENSSL_NO_SRP
2380                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2381                                         {
2382                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2383                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2384                                         if (srp_callback_parm.user)
2385                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2386                                         else
2387                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2388                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2389                                         }
2390 #endif
2391                                 switch (SSL_get_error(con,k))
2392                                         {
2393                                 case SSL_ERROR_NONE:
2394                                         break;
2395                                 case SSL_ERROR_WANT_WRITE:
2396                                 case SSL_ERROR_WANT_READ:
2397                                 case SSL_ERROR_WANT_X509_LOOKUP:
2398                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2399                                         break;
2400                                 case SSL_ERROR_SYSCALL:
2401                                 case SSL_ERROR_SSL:
2402                                         BIO_printf(bio_s_out,"ERROR\n");
2403                                         ERR_print_errors(bio_err);
2404                                         ret=1;
2405                                         goto err;
2406                                         /* break; */
2407                                 case SSL_ERROR_ZERO_RETURN:
2408                                         BIO_printf(bio_s_out,"DONE\n");
2409                                         ret=1;
2410                                         goto err;
2411                                         }
2412                                 l+=k;
2413                                 i-=k;
2414                                 if (i <= 0) break;
2415                                 }
2416                         }
2417                 if (read_from_sslcon)
2418                         {
2419                         if (!SSL_is_init_finished(con))
2420                                 {
2421                                 i=init_ssl_connection(con);
2422
2423                                 if (i < 0)
2424                                         {
2425                                         ret=0;
2426                                         goto err;
2427                                         }
2428                                 else if (i == 0)
2429                                         {
2430                                         ret=1;
2431                                         goto err;
2432                                         }
2433                                 }
2434                         else
2435                                 {
2436 again:
2437                                 i=SSL_read(con,(char *)buf,bufsize);
2438 #ifndef OPENSSL_NO_SRP
2439                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2440                                         {
2441                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2442                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2443                                         if (srp_callback_parm.user)
2444                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2445                                         else
2446                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2447                                         i=SSL_read(con,(char *)buf,bufsize);
2448                                         }
2449 #endif
2450                                 switch (SSL_get_error(con,i))
2451                                         {
2452                                 case SSL_ERROR_NONE:
2453 #ifdef CHARSET_EBCDIC
2454                                         ascii2ebcdic(buf,buf,i);
2455 #endif
2456                                         raw_write_stdout(buf,
2457                                                 (unsigned int)i);
2458                                         if (SSL_pending(con)) goto again;
2459                                         break;
2460                                 case SSL_ERROR_WANT_WRITE:
2461                                 case SSL_ERROR_WANT_READ:
2462                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2463                                         break;
2464                                 case SSL_ERROR_SYSCALL:
2465                                 case SSL_ERROR_SSL:
2466                                         BIO_printf(bio_s_out,"ERROR\n");
2467                                         ERR_print_errors(bio_err);
2468                                         ret=1;
2469                                         goto err;
2470                                 case SSL_ERROR_ZERO_RETURN:
2471                                         BIO_printf(bio_s_out,"DONE\n");
2472                                         ret=1;
2473                                         goto err;
2474                                         }
2475                                 }
2476                         }
2477                 }
2478 err:
2479         if (con != NULL)
2480                 {
2481                 BIO_printf(bio_s_out,"shutting down SSL\n");
2482 #if 1
2483                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2484 #else
2485                 SSL_shutdown(con);
2486 #endif
2487                 SSL_free(con);
2488                 }
2489         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2490         if (buf != NULL)
2491                 {
2492                 OPENSSL_cleanse(buf,bufsize);
2493                 OPENSSL_free(buf);
2494                 }
2495         if (ret >= 0)
2496                 BIO_printf(bio_s_out,"ACCEPT\n");
2497         return(ret);
2498         }
2499
2500 static void close_accept_socket(void)
2501         {
2502         BIO_printf(bio_err,"shutdown accept socket\n");
2503         if (accept_socket >= 0)
2504                 {
2505                 SHUTDOWN2(accept_socket);
2506                 }
2507         }
2508
2509 static int init_ssl_connection(SSL *con)
2510         {
2511         int i;
2512         const char *str;
2513         X509 *peer;
2514         long verify_error;
2515         MS_STATIC char buf[BUFSIZ];
2516 #ifndef OPENSSL_NO_KRB5
2517         char *client_princ;
2518 #endif
2519 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2520         const unsigned char *next_proto_neg;
2521         unsigned next_proto_neg_len;
2522 #endif
2523         unsigned char *exportedkeymat;
2524
2525
2526         i=SSL_accept(con);
2527 #ifndef OPENSSL_NO_SRP
2528         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2529                 {
2530                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2531                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2532                         if (srp_callback_parm.user)
2533                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2534                         else
2535                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2536                         i=SSL_accept(con);
2537                 }
2538 #endif
2539         if (i <= 0)
2540                 {
2541                 if (BIO_sock_should_retry(i))
2542                         {
2543                         BIO_printf(bio_s_out,"DELAY\n");
2544                         return(1);
2545                         }
2546
2547                 BIO_printf(bio_err,"ERROR\n");
2548                 verify_error=SSL_get_verify_result(con);
2549                 if (verify_error != X509_V_OK)
2550                         {
2551                         BIO_printf(bio_err,"verify error:%s\n",
2552                                 X509_verify_cert_error_string(verify_error));
2553                         }
2554                 /* Always print any error messages */
2555                 ERR_print_errors(bio_err);
2556                 return(0);
2557                 }
2558
2559         if (s_brief)
2560                 print_ssl_summary(bio_err, con);
2561
2562         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2563
2564         peer=SSL_get_peer_certificate(con);
2565         if (peer != NULL)
2566                 {
2567                 BIO_printf(bio_s_out,"Client certificate\n");
2568                 PEM_write_bio_X509(bio_s_out,peer);
2569                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2570                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2571                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2572                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2573                 X509_free(peer);
2574                 }
2575
2576         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2577                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2578         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2579         ssl_print_sigalgs(bio_s_out, con);
2580         ssl_print_point_formats(bio_s_out, con);
2581         ssl_print_curves(bio_s_out, con, 0);
2582         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2583
2584 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2585         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2586         if (next_proto_neg)
2587                 {
2588                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2589                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2590                 BIO_printf(bio_s_out, "\n");
2591                 }
2592 #endif
2593         {
2594         SRTP_PROTECTION_PROFILE *srtp_profile
2595           = SSL_get_selected_srtp_profile(con);
2596
2597         if(srtp_profile)
2598                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2599                            srtp_profile->name);
2600         }
2601         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2602         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2603                 TLS1_FLAGS_TLS_PADDING_BUG)
2604                 BIO_printf(bio_s_out,
2605                            "Peer has incorrect TLSv1 block padding\n");
2606 #ifndef OPENSSL_NO_KRB5
2607         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2608         if (client_princ != NULL)
2609                 {
2610                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2611                                                                 client_princ);
2612                 }
2613 #endif /* OPENSSL_NO_KRB5 */
2614         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2615                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2616         if (keymatexportlabel != NULL)
2617                 {
2618                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2619                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2620                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2621                            keymatexportlen);
2622                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2623                 if (exportedkeymat != NULL)
2624                         {
2625                         if (!SSL_export_keying_material(con, exportedkeymat,
2626                                                         keymatexportlen,
2627                                                         keymatexportlabel,
2628                                                         strlen(keymatexportlabel),
2629                                                         NULL, 0, 0))
2630                                 {
2631                                 BIO_printf(bio_s_out, "    Error\n");
2632                                 }
2633                         else
2634                                 {
2635                                 BIO_printf(bio_s_out, "    Keying material: ");
2636                                 for (i=0; i<keymatexportlen; i++)
2637                                         BIO_printf(bio_s_out, "%02X",
2638                                                    exportedkeymat[i]);
2639                                 BIO_printf(bio_s_out, "\n");
2640                                 }
2641                         OPENSSL_free(exportedkeymat);
2642                         }
2643                 }
2644
2645         return(1);
2646         }
2647
2648 #ifndef OPENSSL_NO_DH
2649 static DH *load_dh_param(const char *dhfile)
2650         {
2651         DH *ret=NULL;
2652         BIO *bio;
2653
2654         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2655                 goto err;
2656         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2657 err:
2658         if (bio != NULL) BIO_free(bio);
2659         return(ret);
2660         }
2661 #endif
2662
2663 #if 0
2664 static int load_CA(SSL_CTX *ctx, char *file)
2665         {
2666         FILE *in;
2667         X509 *x=NULL;
2668
2669         if ((in=fopen(file,"r")) == NULL)
2670                 return(0);
2671
2672         for (;;)
2673                 {
2674                 if (PEM_read_X509(in,&x,NULL) == NULL)
2675                         break;
2676                 SSL_CTX_add_client_CA(ctx,x);
2677                 }
2678         if (x != NULL) X509_free(x);
2679         fclose(in);
2680         return(1);
2681         }
2682 #endif
2683
2684 static int www_body(char *hostname, int s, unsigned char *context)
2685         {
2686         char *buf=NULL;
2687         int ret=1;
2688         int i,j,k,dot;
2689         SSL *con;
2690         const SSL_CIPHER *c;
2691         BIO *io,*ssl_bio,*sbio;
2692 #ifndef OPENSSL_NO_KRB5
2693         KSSL_CTX *kctx;
2694 #endif
2695
2696         buf=OPENSSL_malloc(bufsize);
2697         if (buf == NULL) return(0);
2698         io=BIO_new(BIO_f_buffer());
2699         ssl_bio=BIO_new(BIO_f_ssl());
2700         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2701
2702 #ifdef FIONBIO
2703         if (s_nbio)
2704                 {
2705                 unsigned long sl=1;
2706
2707                 if (!s_quiet)
2708                         BIO_printf(bio_err,"turning on non blocking io\n");
2709                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2710                         ERR_print_errors(bio_err);
2711                 }
2712 #endif
2713
2714         /* lets make the output buffer a reasonable size */
2715         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2716
2717         if ((con=SSL_new(ctx)) == NULL) goto err;
2718 #ifndef OPENSSL_NO_TLSEXT
2719                 if (s_tlsextdebug)
2720                         {
2721                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2722                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2723                         }
2724 #endif
2725 #ifndef OPENSSL_NO_KRB5
2726         if ((kctx = kssl_ctx_new()) != NULL)
2727                 {
2728                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2729                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2730                 }
2731 #endif  /* OPENSSL_NO_KRB5 */
2732         if(context) SSL_set_session_id_context(con, context,
2733                                                strlen((char *)context));
2734
2735         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2736         if (s_nbio_test)
2737                 {
2738                 BIO *test;
2739
2740                 test=BIO_new(BIO_f_nbio_test());
2741                 sbio=BIO_push(test,sbio);
2742                 }
2743         SSL_set_bio(con,sbio,sbio);
2744         SSL_set_accept_state(con);
2745
2746         /* SSL_set_fd(con,s); */
2747         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2748         BIO_push(io,ssl_bio);
2749 #ifdef CHARSET_EBCDIC
2750         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2751 #endif
2752
2753         if (s_debug)
2754                 {
2755                 SSL_set_debug(con, 1);
2756                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2757                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2758                 }
2759         if (s_msg)
2760                 {
2761 #ifndef OPENSSL_NO_SSL_TRACE
2762                 if (s_msg == 2)
2763                         SSL_set_msg_callback(con, SSL_trace);
2764                 else
2765 #endif
2766                         SSL_set_msg_callback(con, msg_cb);
2767                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2768                 }
2769
2770         for (;;)
2771                 {
2772                 if (hack)
2773                         {
2774                         i=SSL_accept(con);
2775 #ifndef OPENSSL_NO_SRP
2776                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2777                 {
2778                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2779                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2780                         if (srp_callback_parm.user)
2781                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2782                         else
2783                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2784                         i=SSL_accept(con);
2785                 }
2786 #endif
2787                         switch (SSL_get_error(con,i))
2788                                 {
2789                         case SSL_ERROR_NONE:
2790                                 break;
2791                         case SSL_ERROR_WANT_WRITE:
2792                         case SSL_ERROR_WANT_READ:
2793                         case SSL_ERROR_WANT_X509_LOOKUP:
2794                                 continue;
2795                         case SSL_ERROR_SYSCALL:
2796                         case SSL_ERROR_SSL:
2797                         case SSL_ERROR_ZERO_RETURN:
2798                                 ret=1;
2799                                 goto err;
2800                                 /* break; */
2801                                 }
2802
2803                         SSL_renegotiate(con);
2804                         SSL_write(con,NULL,0);
2805                         }
2806
2807                 i=BIO_gets(io,buf,bufsize-1);
2808                 if (i < 0) /* error */
2809                         {
2810                         if (!BIO_should_retry(io))
2811                                 {
2812                                 if (!s_quiet)
2813                                         ERR_print_errors(bio_err);
2814                                 goto err;
2815                                 }
2816                         else
2817                                 {
2818                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2819 #if defined(OPENSSL_SYS_NETWARE)
2820             delay(1000);
2821 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2822                                 sleep(1);
2823 #endif
2824                                 continue;
2825                                 }
2826                         }
2827                 else if (i == 0) /* end of input */
2828                         {
2829                         ret=1;
2830                         goto end;
2831                         }
2832
2833                 /* else we have data */
2834                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2835                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2836                         {
2837                         char *p;
2838                         X509 *peer;
2839                         STACK_OF(SSL_CIPHER) *sk;
2840                         static const char *space="                          ";
2841
2842                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2843                         {
2844                         if (strncmp("GET /renegcert", buf, 14) == 0)
2845                                 SSL_set_verify(con,
2846                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2847                         i=SSL_renegotiate(con);
2848                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2849                         i=SSL_do_handshake(con);
2850                         if (i <= 0)
2851                                 {
2852                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2853                                 ERR_print_errors(bio_err);
2854                                 goto err;
2855                                 }
2856                         /* EVIL HACK! */
2857                         SSL_set_state(con, SSL_ST_ACCEPT);
2858                         i=SSL_do_handshake(con);
2859                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2860                         if (i <= 0)
2861                                 {
2862                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2863                                 ERR_print_errors(bio_err);
2864                                 goto err;
2865                                 }
2866                         }
2867
2868                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2869                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2870                         BIO_puts(io,"<pre>\n");
2871 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2872                         BIO_puts(io,"\n");
2873                         for (i=0; i<local_argc; i++)
2874                                 {
2875                                 BIO_puts(io,local_argv[i]);
2876                                 BIO_write(io," ",1);
2877                                 }
2878                         BIO_puts(io,"\n");
2879
2880                         BIO_printf(io,
2881                                 "Secure Renegotiation IS%s supported\n",
2882                                 SSL_get_secure_renegotiation_support(con) ?
2883                                                         "" : " NOT");
2884
2885                         /* The following is evil and should not really
2886                          * be done */
2887                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2888                         sk=SSL_get_ciphers(con);
2889                         j=sk_SSL_CIPHER_num(sk);
2890                         for (i=0; i<j; i++)
2891                                 {
2892                                 c=sk_SSL_CIPHER_value(sk,i);
2893                                 BIO_printf(io,"%-11s:%-25s",
2894                                         SSL_CIPHER_get_version(c),
2895                                         SSL_CIPHER_get_name(c));
2896                                 if ((((i+1)%2) == 0) && (i+1 != j))
2897                                         BIO_puts(io,"\n");
2898                                 }
2899                         BIO_puts(io,"\n");
2900                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2901                         if (p != NULL)
2902                                 {
2903                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2904                                 j=i=0;
2905                                 while (*p)
2906                                         {
2907                                         if (*p == ':')
2908                                                 {
2909                                                 BIO_write(io,space,26-j);
2910                                                 i++;
2911                                                 j=0;
2912                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2913                                                 }
2914                                         else
2915                                                 {
2916                                                 BIO_write(io,p,1);
2917                                                 j++;
2918                                                 }
2919                                         p++;
2920                                         }
2921                                 BIO_puts(io,"\n");
2922                                 }
2923                         ssl_print_sigalgs(io, con);
2924                         ssl_print_curves(io, con, 0);
2925                         BIO_printf(io,(SSL_cache_hit(con)
2926                                 ?"---\nReused, "
2927                                 :"---\nNew, "));
2928                         c=SSL_get_current_cipher(con);
2929                         BIO_printf(io,"%s, Cipher is %s\n",
2930                                 SSL_CIPHER_get_version(c),
2931                                 SSL_CIPHER_get_name(c));
2932                         SSL_SESSION_print(io,SSL_get_session(con));
2933                         BIO_printf(io,"---\n");
2934                         print_stats(io,SSL_get_SSL_CTX(con));
2935                         BIO_printf(io,"---\n");
2936                         peer=SSL_get_peer_certificate(con);
2937                         if (peer != NULL)
2938                                 {
2939                                 BIO_printf(io,"Client certificate\n");
2940                                 X509_print(io,peer);
2941                                 PEM_write_bio_X509(io,peer);
2942                                 }
2943                         else
2944                                 BIO_puts(io,"no client certificate available\n");
2945                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2946                         break;
2947                         }
2948                 else if ((www == 2 || www == 3)
2949                          && (strncmp("GET /",buf,5) == 0))
2950                         {
2951                         BIO *file;
2952                         char *p,*e;
2953                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2954
2955                         /* skip the '/' */
2956                         p= &(buf[5]);
2957
2958                         dot = 1;
2959                         for (e=p; *e != '\0'; e++)
2960                                 {
2961                                 if (e[0] == ' ')
2962                                         break;
2963
2964                                 switch (dot)
2965                                         {
2966                                 case 1:
2967                                         dot = (e[0] == '.') ? 2 : 0;
2968                                         break;
2969                                 case 2:
2970                                         dot = (e[0] == '.') ? 3 : 0;
2971                                         break;
2972                                 case 3:
2973                                         dot = (e[0] == '/') ? -1 : 0;
2974                                         break;
2975                                         }
2976                                 if (dot == 0)
2977                                         dot = (e[0] == '/') ? 1 : 0;
2978                                 }
2979                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2980
2981                         if (*e == '\0')
2982                                 {
2983                                 BIO_puts(io,text);
2984                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2985                                 break;
2986                                 }
2987                         *e='\0';
2988
2989                         if (dot)
2990                                 {
2991                                 BIO_puts(io,text);
2992                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2993                                 break;
2994                                 }
2995
2996                         if (*p == '/')
2997                                 {
2998                                 BIO_puts(io,text);
2999                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3000                                 break;
3001                                 }
3002
3003 #if 0
3004                         /* append if a directory lookup */
3005                         if (e[-1] == '/')
3006                                 strcat(p,"index.html");
3007 #endif
3008
3009                         /* if a directory, do the index thang */
3010                         if (app_isdir(p)>0)
3011                                 {
3012 #if 0 /* must check buffer size */
3013                                 strcat(p,"/index.html");
3014 #else
3015                                 BIO_puts(io,text);
3016                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3017                                 break;
3018 #endif
3019                                 }
3020
3021                         if ((file=BIO_new_file(p,"r")) == NULL)
3022                                 {
3023                                 BIO_puts(io,text);
3024                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3025                                 ERR_print_errors(io);
3026                                 break;
3027                                 }
3028
3029                         if (!s_quiet)
3030                                 BIO_printf(bio_err,"FILE:%s\n",p);
3031
3032                         if (www == 2)
3033                                 {
3034                                 i=strlen(p);
3035                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3036                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3037                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3038                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3039                                 else
3040                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3041                                 }
3042                         /* send the file */
3043                         for (;;)
3044                                 {
3045                                 i=BIO_read(file,buf,bufsize);
3046                                 if (i <= 0) break;
3047
3048 #ifdef RENEG
3049                                 total_bytes+=i;
3050                                 fprintf(stderr,"%d\n",i);
3051                                 if (total_bytes > 3*1024)
3052                                         {
3053                                         total_bytes=0;
3054                                         fprintf(stderr,"RENEGOTIATE\n");
3055                                         SSL_renegotiate(con);
3056                                         }
3057 #endif
3058
3059                                 for (j=0; j<i; )
3060                                         {
3061 #ifdef RENEG
3062 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3063 #endif
3064                                         k=BIO_write(io,&(buf[j]),i-j);
3065                                         if (k <= 0)
3066                                                 {
3067                                                 if (!BIO_should_retry(io))
3068                                                         goto write_error;
3069                                                 else
3070                                                         {
3071                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3072                                                         }
3073                                                 }
3074                                         else
3075                                                 {
3076                                                 j+=k;
3077                                                 }
3078                                         }
3079                                 }
3080 write_error:
3081                         BIO_free(file);
3082                         break;
3083                         }
3084                 }
3085
3086         for (;;)
3087                 {
3088                 i=(int)BIO_flush(io);
3089                 if (i <= 0)
3090                         {
3091                         if (!BIO_should_retry(io))
3092                                 break;
3093                         }
3094                 else
3095                         break;
3096                 }
3097 end:
3098 #if 1
3099         /* make sure we re-use sessions */
3100         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3101 #else
3102         /* This kills performance */
3103 /*      SSL_shutdown(con); A shutdown gets sent in the
3104  *      BIO_free_all(io) procession */
3105 #endif
3106
3107 err:
3108
3109         if (ret >= 0)
3110                 BIO_printf(bio_s_out,"ACCEPT\n");
3111
3112         if (buf != NULL) OPENSSL_free(buf);
3113         if (io != NULL) BIO_free_all(io);
3114 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3115         return(ret);
3116         }
3117
3118 static int rev_body(char *hostname, int s, unsigned char *context)
3119         {
3120         char *buf=NULL;
3121         int i;
3122         int ret=1;
3123         SSL *con;
3124         BIO *io,*ssl_bio,*sbio;
3125 #ifndef OPENSSL_NO_KRB5
3126         KSSL_CTX *kctx;
3127 #endif
3128
3129         buf=OPENSSL_malloc(bufsize);
3130         if (buf == NULL) return(0);
3131         io=BIO_new(BIO_f_buffer());
3132         ssl_bio=BIO_new(BIO_f_ssl());
3133         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3134
3135         /* lets make the output buffer a reasonable size */
3136         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3137
3138         if ((con=SSL_new(ctx)) == NULL) goto err;
3139 #ifndef OPENSSL_NO_TLSEXT
3140         if (s_tlsextdebug)
3141                 {
3142                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3143                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3144                 }
3145 #endif
3146 #ifndef OPENSSL_NO_KRB5
3147         if ((kctx = kssl_ctx_new()) != NULL)
3148                 {
3149                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3150                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3151                 }
3152 #endif  /* OPENSSL_NO_KRB5 */
3153         if(context) SSL_set_session_id_context(con, context,
3154                                                strlen((char *)context));
3155
3156         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3157         SSL_set_bio(con,sbio,sbio);
3158         SSL_set_accept_state(con);
3159
3160         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3161         BIO_push(io,ssl_bio);
3162 #ifdef CHARSET_EBCDIC
3163         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3164 #endif
3165
3166         if (s_debug)
3167                 {
3168                 SSL_set_debug(con, 1);
3169                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3170                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3171                 }
3172         if (s_msg)
3173                 {
3174 #ifndef OPENSSL_NO_SSL_TRACE
3175                 if (s_msg == 2)
3176                         SSL_set_msg_callback(con, SSL_trace);
3177                 else
3178 #endif
3179                         SSL_set_msg_callback(con, msg_cb);
3180                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3181                 }
3182
3183         for (;;)
3184                 {
3185                 i = BIO_do_handshake(io);
3186                 if (i > 0)
3187                         break;
3188                 if (!BIO_should_retry(io))
3189                         {
3190                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3191                         ERR_print_errors(bio_err);
3192                         goto end;
3193                         }
3194                 }
3195         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3196         print_ssl_summary(bio_err, con);
3197
3198         for (;;)
3199                 {
3200                 i=BIO_gets(io,buf,bufsize-1);
3201                 if (i < 0) /* error */
3202                         {
3203                         if (!BIO_should_retry(io))
3204                                 {
3205                                 if (!s_quiet)
3206                                         ERR_print_errors(bio_err);
3207                                 goto err;
3208                                 }
3209                         else
3210                                 {
3211                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3212 #if defined(OPENSSL_SYS_NETWARE)
3213             delay(1000);
3214 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3215                                 sleep(1);
3216 #endif
3217                                 continue;
3218                                 }
3219                         }
3220                 else if (i == 0) /* end of input */
3221                         {
3222                         ret=1;
3223                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3224                         goto end;
3225                         }
3226                 else
3227                         {
3228                         char *p = buf + i - 1;
3229                         while(i && (*p == '\n' || *p == '\r'))
3230                                 {
3231                                 p--;
3232                                 i--;
3233                                 }
3234                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3235                                 {
3236                                 ret = 1;
3237                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3238                                 goto end;
3239                                 }
3240                         BUF_reverse((unsigned char *)buf, NULL, i);
3241                         buf[i] = '\n';
3242                         BIO_write(io, buf, i + 1);
3243                         for (;;)
3244                                 {
3245                                 i = BIO_flush(io);
3246                                 if (i > 0)
3247                                         break;
3248                                 if (!BIO_should_retry(io))
3249                                         goto end;
3250                                 }
3251                         }
3252                 }
3253 end:
3254         /* make sure we re-use sessions */
3255         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3256
3257 err:
3258
3259         if (buf != NULL) OPENSSL_free(buf);
3260         if (io != NULL) BIO_free_all(io);
3261         return(ret);
3262         }
3263
3264 #ifndef OPENSSL_NO_RSA
3265 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3266         {
3267         BIGNUM *bn = NULL;
3268         static RSA *rsa_tmp=NULL;
3269
3270         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3271                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3272         if (!rsa_tmp && bn)
3273                 {
3274                 if (!s_quiet)
3275                         {
3276                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3277                         (void)BIO_flush(bio_err);
3278                         }
3279                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3280                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3281                         {
3282                         if(rsa_tmp) RSA_free(rsa_tmp);
3283                         rsa_tmp = NULL;
3284                         }
3285                 if (!s_quiet)
3286                         {
3287                         BIO_printf(bio_err,"\n");
3288                         (void)BIO_flush(bio_err);
3289                         }
3290                 BN_free(bn);
3291                 }
3292         return(rsa_tmp);
3293         }
3294 #endif
3295
3296 #define MAX_SESSION_ID_ATTEMPTS 10
3297 static int generate_session_id(const SSL *ssl, unsigned char *id,
3298                                 unsigned int *id_len)
3299         {
3300         unsigned int count = 0;
3301         do      {
3302                 RAND_pseudo_bytes(id, *id_len);
3303                 /* Prefix the session_id with the required prefix. NB: If our
3304                  * prefix is too long, clip it - but there will be worse effects
3305                  * anyway, eg. the server could only possibly create 1 session
3306                  * ID (ie. the prefix!) so all future session negotiations will
3307                  * fail due to conflicts. */
3308                 memcpy(id, session_id_prefix,
3309                         (strlen(session_id_prefix) < *id_len) ?
3310                         strlen(session_id_prefix) : *id_len);
3311                 }
3312         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3313                 (++count < MAX_SESSION_ID_ATTEMPTS));
3314         if(count >= MAX_SESSION_ID_ATTEMPTS)
3315                 return 0;
3316         return 1;
3317         }
3318
3319 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3320  * structures without any serialisation. This hides some bugs which only
3321  * become apparent in deployed servers. By implementing a basic external
3322  * session cache some issues can be debugged using s_server.
3323  */
3324
3325 typedef struct simple_ssl_session_st
3326         {
3327         unsigned char *id;
3328         unsigned int idlen;
3329         unsigned char *der;
3330         int derlen;
3331         struct simple_ssl_session_st *next;
3332         } simple_ssl_session;
3333
3334 static simple_ssl_session *first = NULL;
3335
3336 static int add_session(SSL *ssl, SSL_SESSION *session)
3337         {
3338         simple_ssl_session *sess;
3339         unsigned char *p;
3340
3341         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3342
3343         SSL_SESSION_get_id(session, &sess->idlen);
3344         sess->derlen = i2d_SSL_SESSION(session, NULL);
3345
3346         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3347
3348         sess->der = OPENSSL_malloc(sess->derlen);
3349         p = sess->der;
3350         i2d_SSL_SESSION(session, &p);
3351
3352         sess->next = first;
3353         first = sess;
3354         BIO_printf(bio_err, "New session added to external cache\n");
3355         return 0;
3356         }
3357
3358 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3359                                         int *do_copy)
3360         {
3361         simple_ssl_session *sess;
3362         *do_copy = 0;
3363         for (sess = first; sess; sess = sess->next)
3364                 {
3365                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3366                         {
3367                         const unsigned char *p = sess->der;
3368                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3369                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3370                         }
3371                 }
3372         BIO_printf(bio_err, "Lookup session: cache miss\n");
3373         return NULL;
3374         }
3375
3376 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3377         {
3378         simple_ssl_session *sess, *prev = NULL;
3379         const unsigned char *id;
3380         unsigned int idlen;
3381         id = SSL_SESSION_get_id(session, &idlen);
3382         for (sess = first; sess; sess = sess->next)
3383                 {
3384                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3385                         {
3386                         if(prev)
3387                                 prev->next = sess->next;
3388                         else
3389                                 first = sess->next;
3390                         OPENSSL_free(sess->id);
3391                         OPENSSL_free(sess->der);
3392                         OPENSSL_free(sess);
3393                         return;
3394                         }
3395                 prev = sess;
3396                 }
3397         }
3398
3399 static void init_session_cache_ctx(SSL_CTX *sctx)
3400         {
3401         SSL_CTX_set_session_cache_mode(sctx,
3402                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3403         SSL_CTX_sess_set_new_cb(sctx, add_session);
3404         SSL_CTX_sess_set_get_cb(sctx, get_session);
3405         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3406         }
3407
3408 static void free_sessions(void)
3409         {
3410         simple_ssl_session *sess, *tsess;
3411         for (sess = first; sess;)
3412                 {
3413                 OPENSSL_free(sess->id);
3414                 OPENSSL_free(sess->der);
3415                 tsess = sess;
3416                 sess = sess->next;
3417                 OPENSSL_free(tsess);
3418                 }
3419         first = NULL;
3420         }