apps/s_server.c

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