apps/s_server.c

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