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 #include "s_apps.h"
 190 #include "timeouts.h"
 191
 192 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 193 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 194 #undef FIONBIO
 195 #endif
 196
 197 #if defined(OPENSSL_SYS_BEOS_R5)
 198 #include <fcntl.h>
 199 #endif
 200
 201 #ifndef OPENSSL_NO_RSA
 202 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 203 #endif
 204 static int sv_body(char *hostname, int s, unsigned char *context);
 205 static int www_body(char *hostname, int s, unsigned char *context);
 206 static void close_accept_socket(void );
 207 static void sv_usage(void);
 208 static int init_ssl_connection(SSL *s);
 209 static void print_stats(BIO *bp,SSL_CTX *ctx);
 210 static int generate_session_id(const SSL *ssl, unsigned char *id,
 211                                 unsigned int *id_len);
 212 #ifndef OPENSSL_NO_DH
 213 static DH *load_dh_param(const char *dhfile);
 214 static DH *get_dh512(void);
 215 #endif
 216
 217 #ifdef MONOLITH
 218 static void s_server_init(void);
 219 #endif
 220
 221 #ifndef OPENSSL_NO_DH
 222 static unsigned char dh512_p[]={
 223         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 224         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 225         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 226         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 227         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 228         0x47,0x74,0xE8,0x33,
 229         };
 230 static unsigned char dh512_g[]={
 231         0x02,
 232         };
 233
 234 static DH *get_dh512(void)
 235         {
 236         DH *dh=NULL;
 237
 238         if ((dh=DH_new()) == NULL) return(NULL);
 239         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 240         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 241         if ((dh->p == NULL) || (dh->g == NULL))
 242                 return(NULL);
 243         return(dh);
 244         }
 245 #endif
 246
 247
 248 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 249
 250 #undef BUFSIZZ
 251 #define BUFSIZZ 16*1024
 252 static int bufsize=BUFSIZZ;
 253 static int accept_socket= -1;
 254
 255 #define TEST_CERT       "server.pem"
 256 #ifndef OPENSSL_NO_TLSEXT
 257 #define TEST_CERT2      "server2.pem"
 258 #endif
 259 #undef PROG
 260 #define PROG            s_server_main
 261
 262 extern int verify_depth, verify_return_error;
 263
 264 static char *cipher=NULL;
 265 static int s_server_verify=SSL_VERIFY_NONE;
 266 static int s_server_session_id_context = 1; /* anything will do */
 267 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 268 #ifndef OPENSSL_NO_TLSEXT
 269 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 270 #endif
 271 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 272 #ifdef FIONBIO
 273 static int s_nbio=0;
 274 #endif
 275 static int s_nbio_test=0;
 276 int s_crlf=0;
 277 static SSL_CTX *ctx=NULL;
 278 #ifndef OPENSSL_NO_TLSEXT
 279 static SSL_CTX *ctx2=NULL;
 280 #endif
 281 static int www=0;
 282
 283 static BIO *bio_s_out=NULL;
 284 static int s_debug=0;
 285 #ifndef OPENSSL_NO_TLSEXT
 286 static int s_tlsextdebug=0;
 287 static int s_tlsextstatus=0;
 288 static int cert_status_cb(SSL *s, void *arg);
 289 #endif
 290 static int s_msg=0;
 291 static int s_quiet=0;
 292
 293 static int hack=0;
 294 #ifndef OPENSSL_NO_ENGINE
 295 static char *engine_id=NULL;
 296 #endif
 297 static const char *session_id_prefix=NULL;
 298
 299 static int enable_timeouts = 0;
 300 static long socket_mtu;
 301 #ifndef OPENSSL_NO_DTLS1
 302 static int cert_chain = 0;
 303 #endif
 304
 305 #ifndef OPENSSL_NO_PSK
 306 static char *psk_identity="Client_identity";
 307 char *psk_key=NULL; /* by default PSK is not used */
 308
 309 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 310         unsigned char *psk, unsigned int max_psk_len)
 311         {
 312         unsigned int psk_len = 0;
 313         int ret;
 314         BIGNUM *bn = NULL;
 315
 316         if (s_debug)
 317                 BIO_printf(bio_s_out,"psk_server_cb\n");
 318         if (!identity)
 319                 {
 320                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 321                 goto out_err;
 322                 }
 323         if (s_debug)
 324                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 325                         identity ? (int)strlen(identity) : 0, identity);
 326
 327         /* here we could lookup the given identity e.g. from a database */
 328         if (strcmp(identity, psk_identity) != 0)
 329                 {
 330                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 331                            " (got '%s' expected '%s')\n", identity,
 332                            psk_identity);
 333                 goto out_err;
 334                 }
 335         if (s_debug)
 336                 BIO_printf(bio_s_out, "PSK client identity found\n");
 337
 338         /* convert the PSK key to binary */
 339         ret = BN_hex2bn(&bn, psk_key);
 340         if (!ret)
 341                 {
 342                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 343                 if (bn)
 344                         BN_free(bn);
 345                 return 0;
 346                 }
 347         if (BN_num_bytes(bn) > (int)max_psk_len)
 348                 {
 349                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 350                         max_psk_len, BN_num_bytes(bn));
 351                 BN_free(bn);
 352                 return 0;
 353                 }
 354
 355         ret = BN_bn2bin(bn, psk);
 356         BN_free(bn);
 357
 358         if (ret < 0)
 359                 goto out_err;
 360         psk_len = (unsigned int)ret;
 361
 362         if (s_debug)
 363                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 364         return psk_len;
 365  out_err:
 366         if (s_debug)
 367                 BIO_printf(bio_err, "Error in PSK server callback\n");
 368         return 0;
 369         }
 370 #endif
 371
 372 #ifdef MONOLITH
 373 static void s_server_init(void)
 374         {
 375         accept_socket=-1;
 376         cipher=NULL;
 377         s_server_verify=SSL_VERIFY_NONE;
 378         s_dcert_file=NULL;
 379         s_dkey_file=NULL;
 380         s_cert_file=TEST_CERT;
 381         s_key_file=NULL;
 382 #ifndef OPENSSL_NO_TLSEXT
 383         s_cert_file2=TEST_CERT2;
 384         s_key_file2=NULL;
 385         ctx2=NULL;
 386 #endif
 387 #ifdef FIONBIO
 388         s_nbio=0;
 389 #endif
 390         s_nbio_test=0;
 391         ctx=NULL;
 392         www=0;
 393
 394         bio_s_out=NULL;
 395         s_debug=0;
 396         s_msg=0;
 397         s_quiet=0;
 398         hack=0;
 399 #ifndef OPENSSL_NO_ENGINE
 400         engine_id=NULL;
 401 #endif
 402         }
 403 #endif
 404
 405 static void sv_usage(void)
 406         {
 407         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 408         BIO_printf(bio_err,"\n");
 409         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 410         BIO_printf(bio_err," -context arg  - set session ID context\n");
 411         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 412         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 413         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 414         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 415         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 416                            "                 The CRL(s) are appended to the certificate file\n");
 417         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 418                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 419                            "                 the certificate file.\n");
 420         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 421         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 422         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 423         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 424         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 425         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 426         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 427         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 428         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 429         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 430         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 431         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 432 #ifndef OPENSSL_NO_ECDH
 433         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 434                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 435                            "                 (default is nistp256).\n");
 436 #endif
 437 #ifdef FIONBIO
 438         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 439 #endif
 440         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 441         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 442         BIO_printf(bio_err," -debug        - Print more output\n");
 443         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 444         BIO_printf(bio_err," -state        - Print the SSL states\n");
 445         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 446         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 447         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 448         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 449         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 450         BIO_printf(bio_err," -quiet        - No server output\n");
 451         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 452 #ifndef OPENSSL_NO_PSK
 453         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 454         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 455 # ifndef OPENSSL_NO_JPAKE
 456         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 457 # endif
 458 #endif
 459         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 460         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 461         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1_1\n");
 462         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 463         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 464         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 465         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 466         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 467         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 468         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 469         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 470         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 471 #ifndef OPENSSL_NO_DH
 472         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 473 #endif
 474 #ifndef OPENSSL_NO_ECDH
 475         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 476 #endif
 477         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 478         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 479         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 480         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 481         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 482 #ifndef OPENSSL_NO_ENGINE
 483         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 484 #endif
 485         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 486         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 487 #ifndef OPENSSL_NO_TLSEXT
 488         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 489         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 490         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 491         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 492         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 493         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 494         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 495         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 496         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 497 #endif
 498         }
 499
 500 static int local_argc=0;
 501 static char **local_argv;
 502
 503 #ifdef CHARSET_EBCDIC
 504 static int ebcdic_new(BIO *bi);
 505 static int ebcdic_free(BIO *a);
 506 static int ebcdic_read(BIO *b, char *out, int outl);
 507 static int ebcdic_write(BIO *b, const char *in, int inl);
 508 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 509 static int ebcdic_gets(BIO *bp, char *buf, int size);
 510 static int ebcdic_puts(BIO *bp, const char *str);
 511
 512 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 513 static BIO_METHOD methods_ebcdic=
 514         {
 515         BIO_TYPE_EBCDIC_FILTER,
 516         "EBCDIC/ASCII filter",
 517         ebcdic_write,
 518         ebcdic_read,
 519         ebcdic_puts,
 520         ebcdic_gets,
 521         ebcdic_ctrl,
 522         ebcdic_new,
 523         ebcdic_free,
 524         };
 525
 526 typedef struct
 527 {
 528         size_t  alloced;
 529         char    buff[1];
 530 } EBCDIC_OUTBUFF;
 531
 532 BIO_METHOD *BIO_f_ebcdic_filter()
 533 {
 534         return(&methods_ebcdic);
 535 }
 536
 537 static int ebcdic_new(BIO *bi)
 538 {
 539         EBCDIC_OUTBUFF *wbuf;
 540
 541         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 542         wbuf->alloced = 1024;
 543         wbuf->buff[0] = '\0';
 544
 545         bi->ptr=(char *)wbuf;
 546         bi->init=1;
 547         bi->flags=0;
 548         return(1);
 549 }
 550
 551 static int ebcdic_free(BIO *a)
 552 {
 553         if (a == NULL) return(0);
 554         if (a->ptr != NULL)
 555                 OPENSSL_free(a->ptr);
 556         a->ptr=NULL;
 557         a->init=0;
 558         a->flags=0;
 559         return(1);
 560 }
 561
 562 static int ebcdic_read(BIO *b, char *out, int outl)
 563 {
 564         int ret=0;
 565
 566         if (out == NULL || outl == 0) return(0);
 567         if (b->next_bio == NULL) return(0);
 568
 569         ret=BIO_read(b->next_bio,out,outl);
 570         if (ret > 0)
 571                 ascii2ebcdic(out,out,ret);
 572         return(ret);
 573 }
 574
 575 static int ebcdic_write(BIO *b, const char *in, int inl)
 576 {
 577         EBCDIC_OUTBUFF *wbuf;
 578         int ret=0;
 579         int num;
 580         unsigned char n;
 581
 582         if ((in == NULL) || (inl <= 0)) return(0);
 583         if (b->next_bio == NULL) return(0);
 584
 585         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 586
 587         if (inl > (num = wbuf->alloced))
 588         {
 589                 num = num + num;  /* double the size */
 590                 if (num < inl)
 591                         num = inl;
 592                 OPENSSL_free(wbuf);
 593                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 594
 595                 wbuf->alloced = num;
 596                 wbuf->buff[0] = '\0';
 597
 598                 b->ptr=(char *)wbuf;
 599         }
 600
 601         ebcdic2ascii(wbuf->buff, in, inl);
 602
 603         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 604
 605         return(ret);
 606 }
 607
 608 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 609 {
 610         long ret;
 611
 612         if (b->next_bio == NULL) return(0);
 613         switch (cmd)
 614         {
 615         case BIO_CTRL_DUP:
 616                 ret=0L;
 617                 break;
 618         default:
 619                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 620                 break;
 621         }
 622         return(ret);
 623 }
 624
 625 static int ebcdic_gets(BIO *bp, char *buf, int size)
 626 {
 627         int i, ret=0;
 628         if (bp->next_bio == NULL) return(0);
 629 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 630         for (i=0; i<size-1; ++i)
 631         {
 632                 ret = ebcdic_read(bp,&buf[i],1);
 633                 if (ret <= 0)
 634                         break;
 635                 else if (buf[i] == '\n')
 636                 {
 637                         ++i;
 638                         break;
 639                 }
 640         }
 641         if (i < size)
 642                 buf[i] = '\0';
 643         return (ret < 0 && i == 0) ? ret : i;
 644 }
 645
 646 static int ebcdic_puts(BIO *bp, const char *str)
 647 {
 648         if (bp->next_bio == NULL) return(0);
 649         return ebcdic_write(bp, str, strlen(str));
 650 }
 651 #endif
 652
 653 #ifndef OPENSSL_NO_TLSEXT
 654
 655 /* This is a context that we pass to callbacks */
 656 typedef struct tlsextctx_st {
 657    char * servername;
 658    BIO * biodebug;
 659    int extension_error;
 660 } tlsextctx;
 661
 662
 663 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 664         {
 665         tlsextctx * p = (tlsextctx *) arg;
 666         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 667         if (servername && p->biodebug)
 668                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 669
 670         if (!p->servername)
 671                 return SSL_TLSEXT_ERR_NOACK;
 672
 673         if (servername)
 674                 {
 675                 if (strcmp(servername,p->servername))
 676                         return p->extension_error;
 677                 if (ctx2)
 678                         {
 679                         BIO_printf(p->biodebug,"Switching server context.\n");
 680                         SSL_set_SSL_CTX(s,ctx2);
 681                         }
 682                 }
 683         return SSL_TLSEXT_ERR_OK;
 684 }
 685
 686 /* Structure passed to cert status callback */
 687
 688 typedef struct tlsextstatusctx_st {
 689    /* Default responder to use */
 690    char *host, *path, *port;
 691    int use_ssl;
 692    int timeout;
 693    BIO *err;
 694    int verbose;
 695 } tlsextstatusctx;
 696
 697 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 698
 699 /* Certificate Status callback. This is called when a client includes a
 700  * certificate status request extension.
 701  *
 702  * This is a simplified version. It examines certificates each time and
 703  * makes one OCSP responder query for each request.
 704  *
 705  * A full version would store details such as the OCSP certificate IDs and
 706  * minimise the number of OCSP responses by caching them until they were
 707  * considered "expired".
 708  */
 709
 710 static int cert_status_cb(SSL *s, void *arg)
 711         {
 712         tlsextstatusctx *srctx = arg;
 713         BIO *err = srctx->err;
 714         char *host, *port, *path;
 715         int use_ssl;
 716         unsigned char *rspder = NULL;
 717         int rspderlen;
 718         STACK_OF(OPENSSL_STRING) *aia = NULL;
 719         X509 *x = NULL;
 720         X509_STORE_CTX inctx;
 721         X509_OBJECT obj;
 722         OCSP_REQUEST *req = NULL;
 723         OCSP_RESPONSE *resp = NULL;
 724         OCSP_CERTID *id = NULL;
 725         STACK_OF(X509_EXTENSION) *exts;
 726         int ret = SSL_TLSEXT_ERR_NOACK;
 727         int i;
 728 #if 0
 729 STACK_OF(OCSP_RESPID) *ids;
 730 SSL_get_tlsext_status_ids(s, &ids);
 731 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 732 #endif
 733         if (srctx->verbose)
 734                 BIO_puts(err, "cert_status: callback called\n");
 735         /* Build up OCSP query from server certificate */
 736         x = SSL_get_certificate(s);
 737         aia = X509_get1_ocsp(x);
 738         if (aia)
 739                 {
 740                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 741                         &host, &port, &path, &use_ssl))
 742                         {
 743                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 744                         goto err;
 745                         }
 746                 if (srctx->verbose)
 747                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 748                                         sk_OPENSSL_STRING_value(aia, 0));
 749                 }
 750         else
 751                 {
 752                 if (!srctx->host)
 753                         {
 754                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 755                         goto done;
 756                         }
 757                 host = srctx->host;
 758                 path = srctx->path;
 759                 port = srctx->port;
 760                 use_ssl = srctx->use_ssl;
 761                 }
 762
 763         if (!X509_STORE_CTX_init(&inctx,
 764                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 765                                 NULL, NULL))
 766                 goto err;
 767         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 768                                 X509_get_issuer_name(x),&obj) <= 0)
 769                 {
 770                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 771                 X509_STORE_CTX_cleanup(&inctx);
 772                 goto done;
 773                 }
 774         req = OCSP_REQUEST_new();
 775         if (!req)
 776                 goto err;
 777         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 778         X509_free(obj.data.x509);
 779         X509_STORE_CTX_cleanup(&inctx);
 780         if (!id)
 781                 goto err;
 782         if (!OCSP_request_add0_id(req, id))
 783                 goto err;
 784         id = NULL;
 785         /* Add any extensions to the request */
 786         SSL_get_tlsext_status_exts(s, &exts);
 787         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 788                 {
 789                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 790                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 791                         goto err;
 792                 }
 793         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 794                                         srctx->timeout);
 795         if (!resp)
 796                 {
 797                 BIO_puts(err, "cert_status: error querying responder\n");
 798                 goto done;
 799                 }
 800         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 801         if (rspderlen <= 0)
 802                 goto err;
 803         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 804         if (srctx->verbose)
 805                 {
 806                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 807                 OCSP_RESPONSE_print(err, resp, 2);
 808                 }
 809         ret = SSL_TLSEXT_ERR_OK;
 810         done:
 811         if (ret != SSL_TLSEXT_ERR_OK)
 812                 ERR_print_errors(err);
 813         if (aia)
 814                 {
 815                 OPENSSL_free(host);
 816                 OPENSSL_free(path);
 817                 OPENSSL_free(port);
 818                 X509_email_free(aia);
 819                 }
 820         if (id)
 821                 OCSP_CERTID_free(id);
 822         if (req)
 823                 OCSP_REQUEST_free(req);
 824         if (resp)
 825                 OCSP_RESPONSE_free(resp);
 826         return ret;
 827         err:
 828         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 829         goto done;
 830         }
 831 #endif
 832
 833 int MAIN(int, char **);
 834
 835 #ifndef OPENSSL_NO_JPAKE
 836 static char *jpake_secret = NULL;
 837 #endif
 838
 839 int MAIN(int argc, char *argv[])
 840         {
 841         X509_VERIFY_PARAM *vpm = NULL;
 842         int badarg = 0;
 843         short port=PORT;
 844         char *CApath=NULL,*CAfile=NULL;
 845         unsigned char *context = NULL;
 846         char *dhfile = NULL;
 847 #ifndef OPENSSL_NO_ECDH
 848         char *named_curve = NULL;
 849 #endif
 850         int badop=0,bugs=0;
 851         int ret=1;
 852         int off=0;
 853         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 854         int state=0;
 855         const SSL_METHOD *meth=NULL;
 856         int socket_type=SOCK_STREAM;
 857         ENGINE *e=NULL;
 858         char *inrand=NULL;
 859         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 860         char *passarg = NULL, *pass = NULL;
 861         char *dpassarg = NULL, *dpass = NULL;
 862         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 863         X509 *s_cert = NULL, *s_dcert = NULL;
 864         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 865         int no_cache = 0;
 866 #ifndef OPENSSL_NO_TLSEXT
 867         EVP_PKEY *s_key2 = NULL;
 868         X509 *s_cert2 = NULL;
 869 #endif
 870 #ifndef OPENSSL_NO_TLSEXT
 871         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 872 #endif
 873 #ifndef OPENSSL_NO_PSK
 874         /* by default do not send a PSK identity hint */
 875         static char *psk_identity_hint=NULL;
 876 #endif
 877 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 878         meth=SSLv23_server_method();
 879 #elif !defined(OPENSSL_NO_SSL3)
 880         meth=SSLv3_server_method();
 881 #elif !defined(OPENSSL_NO_SSL2)
 882         meth=SSLv2_server_method();
 883 #endif
 884
 885         local_argc=argc;
 886         local_argv=argv;
 887
 888         apps_startup();
 889 #ifdef MONOLITH
 890         s_server_init();
 891 #endif
 892
 893         if (bio_err == NULL)
 894                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 895
 896         if (!load_config(bio_err, NULL))
 897                 goto end;
 898
 899         verify_depth=0;
 900 #ifdef FIONBIO
 901         s_nbio=0;
 902 #endif
 903         s_nbio_test=0;
 904
 905         argc--;
 906         argv++;
 907
 908         while (argc >= 1)
 909                 {
 910                 if      ((strcmp(*argv,"-port") == 0) ||
 911                          (strcmp(*argv,"-accept") == 0))
 912                         {
 913                         if (--argc < 1) goto bad;
 914                         if (!extract_port(*(++argv),&port))
 915                                 goto bad;
 916                         }
 917                 else if (strcmp(*argv,"-verify") == 0)
 918                         {
 919                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 920                         if (--argc < 1) goto bad;
 921                         verify_depth=atoi(*(++argv));
 922                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 923                         }
 924                 else if (strcmp(*argv,"-Verify") == 0)
 925                         {
 926                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 927                                 SSL_VERIFY_CLIENT_ONCE;
 928                         if (--argc < 1) goto bad;
 929                         verify_depth=atoi(*(++argv));
 930                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 931                         }
 932                 else if (strcmp(*argv,"-context") == 0)
 933                         {
 934                         if (--argc < 1) goto bad;
 935                         context= (unsigned char *)*(++argv);
 936                         }
 937                 else if (strcmp(*argv,"-cert") == 0)
 938                         {
 939                         if (--argc < 1) goto bad;
 940                         s_cert_file= *(++argv);
 941                         }
 942                 else if (strcmp(*argv,"-certform") == 0)
 943                         {
 944                         if (--argc < 1) goto bad;
 945                         s_cert_format = str2fmt(*(++argv));
 946                         }
 947                 else if (strcmp(*argv,"-key") == 0)
 948                         {
 949                         if (--argc < 1) goto bad;
 950                         s_key_file= *(++argv);
 951                         }
 952                 else if (strcmp(*argv,"-keyform") == 0)
 953                         {
 954                         if (--argc < 1) goto bad;
 955                         s_key_format = str2fmt(*(++argv));
 956                         }
 957                 else if (strcmp(*argv,"-pass") == 0)
 958                         {
 959                         if (--argc < 1) goto bad;
 960                         passarg = *(++argv);
 961                         }
 962                 else if (strcmp(*argv,"-dhparam") == 0)
 963                         {
 964                         if (--argc < 1) goto bad;
 965                         dhfile = *(++argv);
 966                         }
 967 #ifndef OPENSSL_NO_ECDH
 968                 else if (strcmp(*argv,"-named_curve") == 0)
 969                         {
 970                         if (--argc < 1) goto bad;
 971                         named_curve = *(++argv);
 972                         }
 973 #endif
 974                 else if (strcmp(*argv,"-dcertform") == 0)
 975                         {
 976                         if (--argc < 1) goto bad;
 977                         s_dcert_format = str2fmt(*(++argv));
 978                         }
 979                 else if (strcmp(*argv,"-dcert") == 0)
 980                         {
 981                         if (--argc < 1) goto bad;
 982                         s_dcert_file= *(++argv);
 983                         }
 984                 else if (strcmp(*argv,"-dkeyform") == 0)
 985                         {
 986                         if (--argc < 1) goto bad;
 987                         s_dkey_format = str2fmt(*(++argv));
 988                         }
 989                 else if (strcmp(*argv,"-dpass") == 0)
 990                         {
 991                         if (--argc < 1) goto bad;
 992                         dpassarg = *(++argv);
 993                         }
 994                 else if (strcmp(*argv,"-dkey") == 0)
 995                         {
 996                         if (--argc < 1) goto bad;
 997                         s_dkey_file= *(++argv);
 998                         }
 999                 else if (strcmp(*argv,"-nocert") == 0)
1000                         {
1001                         nocert=1;
1002                         }
1003                 else if (strcmp(*argv,"-CApath") == 0)
1004                         {
1005                         if (--argc < 1) goto bad;
1006                         CApath= *(++argv);
1007                         }
1008                 else if (strcmp(*argv,"-no_cache") == 0)
1009                         no_cache = 1;
1010                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1011                         {
1012                         if (badarg)
1013                                 goto bad;
1014                         continue;
1015                         }
1016                 else if (strcmp(*argv,"-verify_return_error") == 0)
1017                         verify_return_error = 1;
1018                 else if (strcmp(*argv,"-serverpref") == 0)
1019                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1020                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1021                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1022                 else if (strcmp(*argv,"-cipher") == 0)
1023                         {
1024                         if (--argc < 1) goto bad;
1025                         cipher= *(++argv);
1026                         }
1027                 else if (strcmp(*argv,"-CAfile") == 0)
1028                         {
1029                         if (--argc < 1) goto bad;
1030                         CAfile= *(++argv);
1031                         }
1032 #ifdef FIONBIO
1033                 else if (strcmp(*argv,"-nbio") == 0)
1034                         { s_nbio=1; }
1035 #endif
1036                 else if (strcmp(*argv,"-nbio_test") == 0)
1037                         {
1038 #ifdef FIONBIO
1039                         s_nbio=1;
1040 #endif
1041                         s_nbio_test=1;
1042                         }
1043                 else if (strcmp(*argv,"-debug") == 0)
1044                         { s_debug=1; }
1045 #ifndef OPENSSL_NO_TLSEXT
1046                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1047                         s_tlsextdebug=1;
1048                 else if (strcmp(*argv,"-status") == 0)
1049                         s_tlsextstatus=1;
1050                 else if (strcmp(*argv,"-status_verbose") == 0)
1051                         {
1052                         s_tlsextstatus=1;
1053                         tlscstatp.verbose = 1;
1054                         }
1055                 else if (!strcmp(*argv, "-status_timeout"))
1056                         {
1057                         s_tlsextstatus=1;
1058                         if (--argc < 1) goto bad;
1059                         tlscstatp.timeout = atoi(*(++argv));
1060                         }
1061                 else if (!strcmp(*argv, "-status_url"))
1062                         {
1063                         s_tlsextstatus=1;
1064                         if (--argc < 1) goto bad;
1065                         if (!OCSP_parse_url(*(++argv),
1066                                         &tlscstatp.host,
1067                                         &tlscstatp.port,
1068                                         &tlscstatp.path,
1069                                         &tlscstatp.use_ssl))
1070                                 {
1071                                 BIO_printf(bio_err, "Error parsing URL\n");
1072                                 goto bad;
1073                                 }
1074                         }
1075 #endif
1076                 else if (strcmp(*argv,"-msg") == 0)
1077                         { s_msg=1; }
1078                 else if (strcmp(*argv,"-hack") == 0)
1079                         { hack=1; }
1080                 else if (strcmp(*argv,"-state") == 0)
1081                         { state=1; }
1082                 else if (strcmp(*argv,"-crlf") == 0)
1083                         { s_crlf=1; }
1084                 else if (strcmp(*argv,"-quiet") == 0)
1085                         { s_quiet=1; }
1086                 else if (strcmp(*argv,"-bugs") == 0)
1087                         { bugs=1; }
1088                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1089                         { no_tmp_rsa=1; }
1090                 else if (strcmp(*argv,"-no_dhe") == 0)
1091                         { no_dhe=1; }
1092                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1093                         { no_ecdhe=1; }
1094 #ifndef OPENSSL_NO_PSK
1095                 else if (strcmp(*argv,"-psk_hint") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         psk_identity_hint= *(++argv);
1099                         }
1100                 else if (strcmp(*argv,"-psk") == 0)
1101                         {
1102                         size_t i;
1103
1104                         if (--argc < 1) goto bad;
1105                         psk_key=*(++argv);
1106                         for (i=0; i<strlen(psk_key); i++)
1107                                 {
1108                                 if (isxdigit((int)psk_key[i]))
1109                                         continue;
1110                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1111                                 goto bad;
1112                                 }
1113                         }
1114 #endif
1115                 else if (strcmp(*argv,"-www") == 0)
1116                         { www=1; }
1117                 else if (strcmp(*argv,"-WWW") == 0)
1118                         { www=2; }
1119                 else if (strcmp(*argv,"-HTTP") == 0)
1120                         { www=3; }
1121                 else if (strcmp(*argv,"-no_ssl2") == 0)
1122                         { off|=SSL_OP_NO_SSLv2; }
1123                 else if (strcmp(*argv,"-no_ssl3") == 0)
1124                         { off|=SSL_OP_NO_SSLv3; }
1125                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1126                         { off|=SSL_OP_NO_TLSv1_1; }
1127                 else if (strcmp(*argv,"-no_tls1") == 0)
1128                         { off|=SSL_OP_NO_TLSv1; }
1129                 else if (strcmp(*argv,"-no_comp") == 0)
1130                         { off|=SSL_OP_NO_COMPRESSION; }
1131 #ifndef OPENSSL_NO_TLSEXT
1132                 else if (strcmp(*argv,"-no_ticket") == 0)
1133                         { off|=SSL_OP_NO_TICKET; }
1134 #endif
1135 #ifndef OPENSSL_NO_SSL2
1136                 else if (strcmp(*argv,"-ssl2") == 0)
1137                         { meth=SSLv2_server_method(); }
1138 #endif
1139 #ifndef OPENSSL_NO_SSL3
1140                 else if (strcmp(*argv,"-ssl3") == 0)
1141                         { meth=SSLv3_server_method(); }
1142 #endif
1143 #ifndef OPENSSL_NO_TLS1
1144                 else if (strcmp(*argv,"-tls1_1") == 0)
1145                         { meth=TLSv1_1_server_method(); }
1146                 else if (strcmp(*argv,"-tls1") == 0)
1147                         { meth=TLSv1_server_method(); }
1148 #endif
1149 #ifndef OPENSSL_NO_DTLS1
1150                 else if (strcmp(*argv,"-dtls1") == 0)
1151                         {
1152                         meth=DTLSv1_server_method();
1153                         socket_type = SOCK_DGRAM;
1154                         }
1155                 else if (strcmp(*argv,"-timeout") == 0)
1156                         enable_timeouts = 1;
1157                 else if (strcmp(*argv,"-mtu") == 0)
1158                         {
1159                         if (--argc < 1) goto bad;
1160                         socket_mtu = atol(*(++argv));
1161                         }
1162                 else if (strcmp(*argv, "-chain") == 0)
1163                         cert_chain = 1;
1164 #endif
1165                 else if (strcmp(*argv, "-id_prefix") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         session_id_prefix = *(++argv);
1169                         }
1170 #ifndef OPENSSL_NO_ENGINE
1171                 else if (strcmp(*argv,"-engine") == 0)
1172                         {
1173                         if (--argc < 1) goto bad;
1174                         engine_id= *(++argv);
1175                         }
1176 #endif
1177                 else if (strcmp(*argv,"-rand") == 0)
1178                         {
1179                         if (--argc < 1) goto bad;
1180                         inrand= *(++argv);
1181                         }
1182 #ifndef OPENSSL_NO_TLSEXT
1183                 else if (strcmp(*argv,"-servername") == 0)
1184                         {
1185                         if (--argc < 1) goto bad;
1186                         tlsextcbp.servername= *(++argv);
1187                         }
1188                 else if (strcmp(*argv,"-servername_fatal") == 0)
1189                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1190                 else if (strcmp(*argv,"-cert2") == 0)
1191                         {
1192                         if (--argc < 1) goto bad;
1193                         s_cert_file2= *(++argv);
1194                         }
1195                 else if (strcmp(*argv,"-key2") == 0)
1196                         {
1197                         if (--argc < 1) goto bad;
1198                         s_key_file2= *(++argv);
1199                         }
1200
1201 #endif
1202 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1203                 else if (strcmp(*argv,"-jpake") == 0)
1204                         {
1205                         if (--argc < 1) goto bad;
1206                         jpake_secret = *(++argv);
1207                         }
1208 #endif
1209                 else
1210                         {
1211                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1212                         badop=1;
1213                         break;
1214                         }
1215                 argc--;
1216                 argv++;
1217                 }
1218         if (badop)
1219                 {
1220 bad:
1221                 sv_usage();
1222                 goto end;
1223                 }
1224
1225 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1226         if (jpake_secret)
1227                 {
1228                 if (psk_key)
1229                         {
1230                         BIO_printf(bio_err,
1231                                    "Can't use JPAKE and PSK together\n");
1232                         goto end;
1233                         }
1234                 psk_identity = "JPAKE";
1235                 if (cipher)
1236                         {
1237                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1238                         goto end;
1239                         }
1240                 cipher = "PSK";
1241                 }
1242
1243 #endif
1244
1245         SSL_load_error_strings();
1246         OpenSSL_add_ssl_algorithms();
1247
1248 #ifndef OPENSSL_NO_ENGINE
1249         e = setup_engine(bio_err, engine_id, 1);
1250 #endif
1251
1252         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1253                 {
1254                 BIO_printf(bio_err, "Error getting password\n");
1255                 goto end;
1256                 }
1257
1258
1259         if (s_key_file == NULL)
1260                 s_key_file = s_cert_file;
1261 #ifndef OPENSSL_NO_TLSEXT
1262         if (s_key_file2 == NULL)
1263                 s_key_file2 = s_cert_file2;
1264 #endif
1265
1266         if (nocert == 0)
1267                 {
1268                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1269                        "server certificate private key file");
1270                 if (!s_key)
1271                         {
1272                         ERR_print_errors(bio_err);
1273                         goto end;
1274                         }
1275
1276                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1277                         NULL, e, "server certificate file");
1278
1279                 if (!s_cert)
1280                         {
1281                         ERR_print_errors(bio_err);
1282                         goto end;
1283                         }
1284
1285 #ifndef OPENSSL_NO_TLSEXT
1286                 if (tlsextcbp.servername)
1287                         {
1288                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1289                                 "second server certificate private key file");
1290                         if (!s_key2)
1291                                 {
1292                                 ERR_print_errors(bio_err);
1293                                 goto end;
1294                                 }
1295
1296                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1297                                 NULL, e, "second server certificate file");
1298
1299                         if (!s_cert2)
1300                                 {
1301                                 ERR_print_errors(bio_err);
1302                                 goto end;
1303                                 }
1304                         }
1305 #endif
1306                 }
1307
1308
1309         if (s_dcert_file)
1310                 {
1311
1312                 if (s_dkey_file == NULL)
1313                         s_dkey_file = s_dcert_file;
1314
1315                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1316                                 0, dpass, e,
1317                                "second certificate private key file");
1318                 if (!s_dkey)
1319                         {
1320                         ERR_print_errors(bio_err);
1321                         goto end;
1322                         }
1323
1324                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1325                                 NULL, e, "second server certificate file");
1326
1327                 if (!s_dcert)
1328                         {
1329                         ERR_print_errors(bio_err);
1330                         goto end;
1331                         }
1332
1333                 }
1334
1335         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1336                 && !RAND_status())
1337                 {
1338                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1339                 }
1340         if (inrand != NULL)
1341                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1342                         app_RAND_load_files(inrand));
1343
1344         if (bio_s_out == NULL)
1345                 {
1346                 if (s_quiet && !s_debug && !s_msg)
1347                         {
1348                         bio_s_out=BIO_new(BIO_s_null());
1349                         }
1350                 else
1351                         {
1352                         if (bio_s_out == NULL)
1353                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1354                         }
1355                 }
1356
1357 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1358         if (nocert)
1359 #endif
1360                 {
1361                 s_cert_file=NULL;
1362                 s_key_file=NULL;
1363                 s_dcert_file=NULL;
1364                 s_dkey_file=NULL;
1365 #ifndef OPENSSL_NO_TLSEXT
1366                 s_cert_file2=NULL;
1367                 s_key_file2=NULL;
1368 #endif
1369                 }
1370
1371         ctx=SSL_CTX_new(meth);
1372         if (ctx == NULL)
1373                 {
1374                 ERR_print_errors(bio_err);
1375                 goto end;
1376                 }
1377         if (session_id_prefix)
1378                 {
1379                 if(strlen(session_id_prefix) >= 32)
1380                         BIO_printf(bio_err,
1381 "warning: id_prefix is too long, only one new session will be possible\n");
1382                 else if(strlen(session_id_prefix) >= 16)
1383                         BIO_printf(bio_err,
1384 "warning: id_prefix is too long if you use SSLv2\n");
1385                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1386                         {
1387                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1388                         ERR_print_errors(bio_err);
1389                         goto end;
1390                         }
1391                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1392                 }
1393         SSL_CTX_set_quiet_shutdown(ctx,1);
1394         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1395         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1396         SSL_CTX_set_options(ctx,off);
1397         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1398          * Setting read ahead solves this problem.
1399          */
1400         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1401
1402         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1403         if (no_cache)
1404                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1405         else
1406                 SSL_CTX_sess_set_cache_size(ctx,128);
1407
1408 #if 0
1409         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1410 #endif
1411
1412 #if 0
1413         if (s_cert_file == NULL)
1414                 {
1415                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1416                 goto end;
1417                 }
1418 #endif
1419
1420         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1421                 (!SSL_CTX_set_default_verify_paths(ctx)))
1422                 {
1423                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1424                 ERR_print_errors(bio_err);
1425                 /* goto end; */
1426                 }
1427         if (vpm)
1428                 SSL_CTX_set1_param(ctx, vpm);
1429
1430 #ifndef OPENSSL_NO_TLSEXT
1431         if (s_cert2)
1432                 {
1433                 ctx2=SSL_CTX_new(meth);
1434                 if (ctx2 == NULL)
1435                         {
1436                         ERR_print_errors(bio_err);
1437                         goto end;
1438                         }
1439                 }
1440
1441         if (ctx2)
1442                 {
1443                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1444
1445                 if (session_id_prefix)
1446                         {
1447                         if(strlen(session_id_prefix) >= 32)
1448                                 BIO_printf(bio_err,
1449                                         "warning: id_prefix is too long, only one new session will be possible\n");
1450                         else if(strlen(session_id_prefix) >= 16)
1451                                 BIO_printf(bio_err,
1452                                         "warning: id_prefix is too long if you use SSLv2\n");
1453                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1454                                 {
1455                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1456                                 ERR_print_errors(bio_err);
1457                                 goto end;
1458                                 }
1459                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1460                         }
1461                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1462                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1463                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1464                 SSL_CTX_set_options(ctx2,off);
1465                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1466                  * Setting read ahead solves this problem.
1467                  */
1468                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1469
1470                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1471
1472                 if (no_cache)
1473                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1474                 else
1475                         SSL_CTX_sess_set_cache_size(ctx2,128);
1476
1477                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1478                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1479                         {
1480                         ERR_print_errors(bio_err);
1481                         }
1482                 if (vpm)
1483                         SSL_CTX_set1_param(ctx2, vpm);
1484                 }
1485 #endif
1486
1487 #ifndef OPENSSL_NO_DH
1488         if (!no_dhe)
1489                 {
1490                 DH *dh=NULL;
1491
1492                 if (dhfile)
1493                         dh = load_dh_param(dhfile);
1494                 else if (s_cert_file)
1495                         dh = load_dh_param(s_cert_file);
1496
1497                 if (dh != NULL)
1498                         {
1499                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1500                         }
1501                 else
1502                         {
1503                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1504                         dh=get_dh512();
1505                         }
1506                 (void)BIO_flush(bio_s_out);
1507
1508                 SSL_CTX_set_tmp_dh(ctx,dh);
1509 #ifndef OPENSSL_NO_TLSEXT
1510                 if (ctx2)
1511                         {
1512                         if (!dhfile)
1513                                 {
1514                                 DH *dh2=load_dh_param(s_cert_file2);
1515                                 if (dh2 != NULL)
1516                                         {
1517                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1518                                         (void)BIO_flush(bio_s_out);
1519
1520                                         DH_free(dh);
1521                                         dh = dh2;
1522                                         }
1523                                 }
1524                         SSL_CTX_set_tmp_dh(ctx2,dh);
1525                         }
1526 #endif
1527                 DH_free(dh);
1528                 }
1529 #endif
1530
1531 #ifndef OPENSSL_NO_ECDH
1532         if (!no_ecdhe)
1533                 {
1534                 EC_KEY *ecdh=NULL;
1535
1536                 if (named_curve)
1537                         {
1538                         int nid = OBJ_sn2nid(named_curve);
1539
1540                         if (nid == 0)
1541                                 {
1542                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1543                                         named_curve);
1544                                 goto end;
1545                                 }
1546                         ecdh = EC_KEY_new_by_curve_name(nid);
1547                         if (ecdh == NULL)
1548                                 {
1549                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1550                                         named_curve);
1551                                 goto end;
1552                                 }
1553                         }
1554
1555                 if (ecdh != NULL)
1556                         {
1557                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1558                         }
1559                 else
1560                         {
1561                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1562                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1563                         if (ecdh == NULL)
1564                                 {
1565                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1566                                 goto end;
1567                                 }
1568                         }
1569                 (void)BIO_flush(bio_s_out);
1570
1571                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1572 #ifndef OPENSSL_NO_TLSEXT
1573                 if (ctx2)
1574                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1575 #endif
1576                 EC_KEY_free(ecdh);
1577                 }
1578 #endif
1579
1580         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1581                 goto end;
1582 #ifndef OPENSSL_NO_TLSEXT
1583         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1584                 goto end;
1585 #endif
1586         if (s_dcert != NULL)
1587                 {
1588                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1589                         goto end;
1590                 }
1591
1592 #ifndef OPENSSL_NO_RSA
1593 #if 1
1594         if (!no_tmp_rsa)
1595                 {
1596                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1597 #ifndef OPENSSL_NO_TLSEXT
1598                 if (ctx2)
1599                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1600 #endif
1601                 }
1602 #else
1603         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1604                 {
1605                 RSA *rsa;
1606
1607                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1608                 BIO_flush(bio_s_out);
1609
1610                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1611
1612                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1613                         {
1614                         ERR_print_errors(bio_err);
1615                         goto end;
1616                         }
1617 #ifndef OPENSSL_NO_TLSEXT
1618                         if (ctx2)
1619                                 {
1620                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1621                                         {
1622                                         ERR_print_errors(bio_err);
1623                                         goto end;
1624                                         }
1625                                 }
1626 #endif
1627                 RSA_free(rsa);
1628                 BIO_printf(bio_s_out,"\n");
1629                 }
1630 #endif
1631 #endif
1632
1633 #ifndef OPENSSL_NO_PSK
1634 #ifdef OPENSSL_NO_JPAKE
1635         if (psk_key != NULL)
1636 #else
1637         if (psk_key != NULL || jpake_secret)
1638 #endif
1639                 {
1640                 if (s_debug)
1641                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1642                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1643                 }
1644
1645         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1646                 {
1647                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1648                 ERR_print_errors(bio_err);
1649                 goto end;
1650                 }
1651 #endif
1652
1653         if (cipher != NULL)
1654                 {
1655                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1656                         {
1657                         BIO_printf(bio_err,"error setting cipher list\n");
1658                         ERR_print_errors(bio_err);
1659                         goto end;
1660                         }
1661 #ifndef OPENSSL_NO_TLSEXT
1662                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1663                         {
1664                         BIO_printf(bio_err,"error setting cipher list\n");
1665                         ERR_print_errors(bio_err);
1666                         goto end;
1667                         }
1668 #endif
1669                 }
1670         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1671         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1672                 sizeof s_server_session_id_context);
1673
1674         /* Set DTLS cookie generation and verification callbacks */
1675         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1676         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1677
1678 #ifndef OPENSSL_NO_TLSEXT
1679         if (ctx2)
1680                 {
1681                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1682                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1683                         sizeof s_server_session_id_context);
1684
1685                 tlsextcbp.biodebug = bio_s_out;
1686                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1687                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1688                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1689                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1690                 }
1691 #endif
1692
1693         if (CAfile != NULL)
1694                 {
1695                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1696 #ifndef OPENSSL_NO_TLSEXT
1697                 if (ctx2)
1698                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1699 #endif
1700                 }
1701
1702         BIO_printf(bio_s_out,"ACCEPT\n");
1703         (void)BIO_flush(bio_s_out);
1704         if (www)
1705                 do_server(port,socket_type,&accept_socket,www_body, context);
1706         else
1707                 do_server(port,socket_type,&accept_socket,sv_body, context);
1708         print_stats(bio_s_out,ctx);
1709         ret=0;
1710 end:
1711         if (ctx != NULL) SSL_CTX_free(ctx);
1712         if (s_cert)
1713                 X509_free(s_cert);
1714         if (s_dcert)
1715                 X509_free(s_dcert);
1716         if (s_key)
1717                 EVP_PKEY_free(s_key);
1718         if (s_dkey)
1719                 EVP_PKEY_free(s_dkey);
1720         if (pass)
1721                 OPENSSL_free(pass);
1722         if (dpass)
1723                 OPENSSL_free(dpass);
1724 #ifndef OPENSSL_NO_TLSEXT
1725         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1726         if (s_cert2)
1727                 X509_free(s_cert2);
1728         if (s_key2)
1729                 EVP_PKEY_free(s_key2);
1730 #endif
1731         if (bio_s_out != NULL)
1732                 {
1733         BIO_free(bio_s_out);
1734                 bio_s_out=NULL;
1735                 }
1736         apps_shutdown();
1737         OPENSSL_EXIT(ret);
1738         }
1739
1740 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1741         {
1742         BIO_printf(bio,"%4ld items in the session cache\n",
1743                 SSL_CTX_sess_number(ssl_ctx));
1744         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1745                 SSL_CTX_sess_connect(ssl_ctx));
1746         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1747                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1748         BIO_printf(bio,"%4ld client connects that finished\n",
1749                 SSL_CTX_sess_connect_good(ssl_ctx));
1750         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1751                 SSL_CTX_sess_accept(ssl_ctx));
1752         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1753                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1754         BIO_printf(bio,"%4ld server accepts that finished\n",
1755                 SSL_CTX_sess_accept_good(ssl_ctx));
1756         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1757         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1758         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1759         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1760         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1761                 SSL_CTX_sess_cache_full(ssl_ctx),
1762                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1763         }
1764
1765 static int sv_body(char *hostname, int s, unsigned char *context)
1766         {
1767         char *buf=NULL;
1768         fd_set readfds;
1769         int ret=1,width;
1770         int k,i;
1771         unsigned long l;
1772         SSL *con=NULL;
1773         BIO *sbio;
1774         struct timeval timeout;
1775 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1776         struct timeval tv;
1777 #else
1778         struct timeval *timeoutp;
1779 #endif
1780
1781         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1782                 {
1783                 BIO_printf(bio_err,"out of memory\n");
1784                 goto err;
1785                 }
1786 #ifdef FIONBIO
1787         if (s_nbio)
1788                 {
1789                 unsigned long sl=1;
1790
1791                 if (!s_quiet)
1792                         BIO_printf(bio_err,"turning on non blocking io\n");
1793                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1794                         ERR_print_errors(bio_err);
1795                 }
1796 #endif
1797
1798         if (con == NULL) {
1799                 con=SSL_new(ctx);
1800 #ifndef OPENSSL_NO_TLSEXT
1801         if (s_tlsextdebug)
1802                 {
1803                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1804                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1805                 }
1806         if (s_tlsextstatus)
1807                 {
1808                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1809                 tlscstatp.err = bio_err;
1810                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1811                 }
1812 #endif
1813 #ifndef OPENSSL_NO_KRB5
1814                 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1815                         {
1816                         kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1817                                                                 KRB5SVC);
1818                         kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1819                                                                 KRB5KEYTAB);
1820                         }
1821 #endif  /* OPENSSL_NO_KRB5 */
1822                 if(context)
1823                       SSL_set_session_id_context(con, context,
1824                                                  strlen((char *)context));
1825         }
1826         SSL_clear(con);
1827 #if 0
1828 #ifdef TLSEXT_TYPE_opaque_prf_input
1829         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1830 #endif
1831 #endif
1832
1833         if (SSL_version(con) == DTLS1_VERSION)
1834                 {
1835
1836                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1837
1838                 if (enable_timeouts)
1839                         {
1840                         timeout.tv_sec = 0;
1841                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1842                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1843
1844                         timeout.tv_sec = 0;
1845                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1846                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1847                         }
1848
1849                 if (socket_mtu > 28)
1850                         {
1851                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1852                         SSL_set_mtu(con, socket_mtu - 28);
1853                         }
1854                 else
1855                         /* want to do MTU discovery */
1856                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1857
1858         /* turn on cookie exchange */
1859         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1860                 }
1861         else
1862                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1863
1864         if (s_nbio_test)
1865                 {
1866                 BIO *test;
1867
1868                 test=BIO_new(BIO_f_nbio_test());
1869                 sbio=BIO_push(test,sbio);
1870                 }
1871 #ifndef OPENSSL_NO_JPAKE
1872         if(jpake_secret)
1873                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1874 #endif
1875
1876         SSL_set_bio(con,sbio,sbio);
1877         SSL_set_accept_state(con);
1878         /* SSL_set_fd(con,s); */
1879
1880         if (s_debug)
1881                 {
1882                 con->debug=1;
1883                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1884                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1885                 }
1886         if (s_msg)
1887                 {
1888                 SSL_set_msg_callback(con, msg_cb);
1889                 SSL_set_msg_callback_arg(con, bio_s_out);
1890                 }
1891 #ifndef OPENSSL_NO_TLSEXT
1892         if (s_tlsextdebug)
1893                 {
1894                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1895                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1896                 }
1897 #endif
1898
1899         width=s+1;
1900         for (;;)
1901                 {
1902                 int read_from_terminal;
1903                 int read_from_sslcon;
1904
1905                 read_from_terminal = 0;
1906                 read_from_sslcon = SSL_pending(con);
1907
1908                 if (!read_from_sslcon)
1909                         {
1910                         FD_ZERO(&readfds);
1911 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1912                         openssl_fdset(fileno(stdin),&readfds);
1913 #endif
1914                         openssl_fdset(s,&readfds);
1915                         /* Note: under VMS with SOCKETSHR the second parameter is
1916                          * currently of type (int *) whereas under other systems
1917                          * it is (void *) if you don't have a cast it will choke
1918                          * the compiler: if you do have a cast then you can either
1919                          * go for (int *) or (void *).
1920                          */
1921 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1922                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1923                          * on sockets. As a workaround we timeout the select every
1924                          * second and check for any keypress. In a proper Windows
1925                          * application we wouldn't do this because it is inefficient.
1926                          */
1927                         tv.tv_sec = 1;
1928                         tv.tv_usec = 0;
1929                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1930                         if((i < 0) || (!i && !_kbhit() ) )continue;
1931                         if(_kbhit())
1932                                 read_from_terminal = 1;
1933 #elif defined(OPENSSL_SYS_BEOS_R5)
1934                         /* Under BeOS-R5 the situation is similar to DOS */
1935                         tv.tv_sec = 1;
1936                         tv.tv_usec = 0;
1937                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1938                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1939                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
1940                                 continue;
1941                         if (read(fileno(stdin), buf, 0) >= 0)
1942                                 read_from_terminal = 1;
1943                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1944 #else
1945                         if ((SSL_version(con) == DTLS1_VERSION) &&
1946                                 DTLSv1_get_timeout(con, &timeout))
1947                                 timeoutp = &timeout;
1948                         else
1949                                 timeoutp = NULL;
1950
1951                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
1952
1953                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1954                                 {
1955                                 BIO_printf(bio_err,"TIMEOUT occured\n");
1956                                 }
1957
1958                         if (i <= 0) continue;
1959                         if (FD_ISSET(fileno(stdin),&readfds))
1960                                 read_from_terminal = 1;
1961 #endif
1962                         if (FD_ISSET(s,&readfds))
1963                                 read_from_sslcon = 1;
1964                         }
1965                 if (read_from_terminal)
1966                         {
1967                         if (s_crlf)
1968                                 {
1969                                 int j, lf_num;
1970
1971                                 i=raw_read_stdin(buf, bufsize/2);
1972                                 lf_num = 0;
1973                                 /* both loops are skipped when i <= 0 */
1974                                 for (j = 0; j < i; j++)
1975                                         if (buf[j] == '\n')
1976                                                 lf_num++;
1977                                 for (j = i-1; j >= 0; j--)
1978                                         {
1979                                         buf[j+lf_num] = buf[j];
1980                                         if (buf[j] == '\n')
1981                                                 {
1982                                                 lf_num--;
1983                                                 i++;
1984                                                 buf[j+lf_num] = '\r';
1985                                                 }
1986                                         }
1987                                 assert(lf_num == 0);
1988                                 }
1989                         else
1990                                 i=raw_read_stdin(buf,bufsize);
1991                         if (!s_quiet)
1992                                 {
1993                                 if ((i <= 0) || (buf[0] == 'Q'))
1994                                         {
1995                                         BIO_printf(bio_s_out,"DONE\n");
1996                                         SHUTDOWN(s);
1997                                         close_accept_socket();
1998                                         ret= -11;
1999                                         goto err;
2000                                         }
2001                                 if ((i <= 0) || (buf[0] == 'q'))
2002                                         {
2003                                         BIO_printf(bio_s_out,"DONE\n");
2004                                         if (SSL_version(con) != DTLS1_VERSION)
2005                         SHUTDOWN(s);
2006         /*                              close_accept_socket();
2007                                         ret= -11;*/
2008                                         goto err;
2009                                         }
2010
2011                                 if ((buf[0] == 'r') &&
2012                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2013                                         {
2014                                         SSL_renegotiate(con);
2015                                         i=SSL_do_handshake(con);
2016                                         printf("SSL_do_handshake -> %d\n",i);
2017                                         i=0; /*13; */
2018                                         continue;
2019                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2020                                         }
2021                                 if ((buf[0] == 'R') &&
2022                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2023                                         {
2024                                         SSL_set_verify(con,
2025                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2026                                         SSL_renegotiate(con);
2027                                         i=SSL_do_handshake(con);
2028                                         printf("SSL_do_handshake -> %d\n",i);
2029                                         i=0; /* 13; */
2030                                         continue;
2031                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2032                                         }
2033                                 if (buf[0] == 'P')
2034                                         {
2035                                         static const char *str="Lets print some clear text\n";
2036                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2037                                         }
2038                                 if (buf[0] == 'S')
2039                                         {
2040                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2041                                         }
2042                                 }
2043 #ifdef CHARSET_EBCDIC
2044                         ebcdic2ascii(buf,buf,i);
2045 #endif
2046                         l=k=0;
2047                         for (;;)
2048                                 {
2049                                 /* should do a select for the write */
2050 #ifdef RENEG
2051 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2052 #endif
2053                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2054                                 switch (SSL_get_error(con,k))
2055                                         {
2056                                 case SSL_ERROR_NONE:
2057                                         break;
2058                                 case SSL_ERROR_WANT_WRITE:
2059                                 case SSL_ERROR_WANT_READ:
2060                                 case SSL_ERROR_WANT_X509_LOOKUP:
2061                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2062                                         break;
2063                                 case SSL_ERROR_SYSCALL:
2064                                 case SSL_ERROR_SSL:
2065                                         BIO_printf(bio_s_out,"ERROR\n");
2066                                         ERR_print_errors(bio_err);
2067                                         ret=1;
2068                                         goto err;
2069                                         /* break; */
2070                                 case SSL_ERROR_ZERO_RETURN:
2071                                         BIO_printf(bio_s_out,"DONE\n");
2072                                         ret=1;
2073                                         goto err;
2074                                         }
2075                                 l+=k;
2076                                 i-=k;
2077                                 if (i <= 0) break;
2078                                 }
2079                         }
2080                 if (read_from_sslcon)
2081                         {
2082                         if (!SSL_is_init_finished(con))
2083                                 {
2084                                 i=init_ssl_connection(con);
2085
2086                                 if (i < 0)
2087                                         {
2088                                         ret=0;
2089                                         goto err;
2090                                         }
2091                                 else if (i == 0)
2092                                         {
2093                                         ret=1;
2094                                         goto err;
2095                                         }
2096                                 }
2097                         else
2098                                 {
2099 again:
2100                                 i=SSL_read(con,(char *)buf,bufsize);
2101                                 switch (SSL_get_error(con,i))
2102                                         {
2103                                 case SSL_ERROR_NONE:
2104 #ifdef CHARSET_EBCDIC
2105                                         ascii2ebcdic(buf,buf,i);
2106 #endif
2107                                         raw_write_stdout(buf,
2108                                                 (unsigned int)i);
2109                                         if (SSL_pending(con)) goto again;
2110                                         break;
2111                                 case SSL_ERROR_WANT_WRITE:
2112                                 case SSL_ERROR_WANT_READ:
2113                                 case SSL_ERROR_WANT_X509_LOOKUP:
2114                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2115                                         break;
2116                                 case SSL_ERROR_SYSCALL:
2117                                 case SSL_ERROR_SSL:
2118                                         BIO_printf(bio_s_out,"ERROR\n");
2119                                         ERR_print_errors(bio_err);
2120                                         ret=1;
2121                                         goto err;
2122                                 case SSL_ERROR_ZERO_RETURN:
2123                                         BIO_printf(bio_s_out,"DONE\n");
2124                                         ret=1;
2125                                         goto err;
2126                                         }
2127                                 }
2128                         }
2129                 }
2130 err:
2131         if (con != NULL)
2132                 {
2133                 BIO_printf(bio_s_out,"shutting down SSL\n");
2134 #if 1
2135                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2136 #else
2137                 SSL_shutdown(con);
2138 #endif
2139                 SSL_free(con);
2140                 }
2141         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2142         if (buf != NULL)
2143                 {
2144                 OPENSSL_cleanse(buf,bufsize);
2145                 OPENSSL_free(buf);
2146                 }
2147         if (ret >= 0)
2148                 BIO_printf(bio_s_out,"ACCEPT\n");
2149         return(ret);
2150         }
2151
2152 static void close_accept_socket(void)
2153         {
2154         BIO_printf(bio_err,"shutdown accept socket\n");
2155         if (accept_socket >= 0)
2156                 {
2157                 SHUTDOWN2(accept_socket);
2158                 }
2159         }
2160
2161 static int init_ssl_connection(SSL *con)
2162         {
2163         int i;
2164         const char *str;
2165         X509 *peer;
2166         long verify_error;
2167         MS_STATIC char buf[BUFSIZ];
2168
2169         if ((i=SSL_accept(con)) <= 0)
2170                 {
2171                 if (BIO_sock_should_retry(i))
2172                         {
2173                         BIO_printf(bio_s_out,"DELAY\n");
2174                         return(1);
2175                         }
2176
2177                 BIO_printf(bio_err,"ERROR\n");
2178                 verify_error=SSL_get_verify_result(con);
2179                 if (verify_error != X509_V_OK)
2180                         {
2181                         BIO_printf(bio_err,"verify error:%s\n",
2182                                 X509_verify_cert_error_string(verify_error));
2183                         }
2184                 else
2185                         ERR_print_errors(bio_err);
2186                 return(0);
2187                 }
2188
2189         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2190
2191         peer=SSL_get_peer_certificate(con);
2192         if (peer != NULL)
2193                 {
2194                 BIO_printf(bio_s_out,"Client certificate\n");
2195                 PEM_write_bio_X509(bio_s_out,peer);
2196                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2197                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2198                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2199                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2200                 X509_free(peer);
2201                 }
2202
2203         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2204                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2205         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2206         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2207         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
2208         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2209                 TLS1_FLAGS_TLS_PADDING_BUG)
2210                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2211 #ifndef OPENSSL_NO_KRB5
2212         if (con->kssl_ctx->client_princ != NULL)
2213                 {
2214                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2215                         con->kssl_ctx->client_princ);
2216                 }
2217 #endif /* OPENSSL_NO_KRB5 */
2218         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2219                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2220         return(1);
2221         }
2222
2223 #ifndef OPENSSL_NO_DH
2224 static DH *load_dh_param(const char *dhfile)
2225         {
2226         DH *ret=NULL;
2227         BIO *bio;
2228
2229         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2230                 goto err;
2231         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2232 err:
2233         if (bio != NULL) BIO_free(bio);
2234         return(ret);
2235         }
2236 #endif
2237
2238 #if 0
2239 static int load_CA(SSL_CTX *ctx, char *file)
2240         {
2241         FILE *in;
2242         X509 *x=NULL;
2243
2244         if ((in=fopen(file,"r")) == NULL)
2245                 return(0);
2246
2247         for (;;)
2248                 {
2249                 if (PEM_read_X509(in,&x,NULL) == NULL)
2250                         break;
2251                 SSL_CTX_add_client_CA(ctx,x);
2252                 }
2253         if (x != NULL) X509_free(x);
2254         fclose(in);
2255         return(1);
2256         }
2257 #endif
2258
2259 static int www_body(char *hostname, int s, unsigned char *context)
2260         {
2261         char *buf=NULL;
2262         int ret=1;
2263         int i,j,k,blank,dot;
2264         SSL *con;
2265         const SSL_CIPHER *c;
2266         BIO *io,*ssl_bio,*sbio;
2267         long total_bytes;
2268
2269         buf=OPENSSL_malloc(bufsize);
2270         if (buf == NULL) return(0);
2271         io=BIO_new(BIO_f_buffer());
2272         ssl_bio=BIO_new(BIO_f_ssl());
2273         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2274
2275 #ifdef FIONBIO
2276         if (s_nbio)
2277                 {
2278                 unsigned long sl=1;
2279
2280                 if (!s_quiet)
2281                         BIO_printf(bio_err,"turning on non blocking io\n");
2282                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2283                         ERR_print_errors(bio_err);
2284                 }
2285 #endif
2286
2287         /* lets make the output buffer a reasonable size */
2288         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2289
2290         if ((con=SSL_new(ctx)) == NULL) goto err;
2291 #ifndef OPENSSL_NO_TLSEXT
2292                 if (s_tlsextdebug)
2293                         {
2294                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2295                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2296                         }
2297 #endif
2298 #ifndef OPENSSL_NO_KRB5
2299         if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2300                 {
2301                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2302                 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2303                 }
2304 #endif  /* OPENSSL_NO_KRB5 */
2305         if(context) SSL_set_session_id_context(con, context,
2306                                                strlen((char *)context));
2307
2308         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2309         if (s_nbio_test)
2310                 {
2311                 BIO *test;
2312
2313                 test=BIO_new(BIO_f_nbio_test());
2314                 sbio=BIO_push(test,sbio);
2315                 }
2316         SSL_set_bio(con,sbio,sbio);
2317         SSL_set_accept_state(con);
2318
2319         /* SSL_set_fd(con,s); */
2320         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2321         BIO_push(io,ssl_bio);
2322 #ifdef CHARSET_EBCDIC
2323         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2324 #endif
2325
2326         if (s_debug)
2327                 {
2328                 con->debug=1;
2329                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2330                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2331                 }
2332         if (s_msg)
2333                 {
2334                 SSL_set_msg_callback(con, msg_cb);
2335                 SSL_set_msg_callback_arg(con, bio_s_out);
2336                 }
2337
2338         blank=0;
2339         for (;;)
2340                 {
2341                 if (hack)
2342                         {
2343                         i=SSL_accept(con);
2344
2345                         switch (SSL_get_error(con,i))
2346                                 {
2347                         case SSL_ERROR_NONE:
2348                                 break;
2349                         case SSL_ERROR_WANT_WRITE:
2350                         case SSL_ERROR_WANT_READ:
2351                         case SSL_ERROR_WANT_X509_LOOKUP:
2352                                 continue;
2353                         case SSL_ERROR_SYSCALL:
2354                         case SSL_ERROR_SSL:
2355                         case SSL_ERROR_ZERO_RETURN:
2356                                 ret=1;
2357                                 goto err;
2358                                 /* break; */
2359                                 }
2360
2361                         SSL_renegotiate(con);
2362                         SSL_write(con,NULL,0);
2363                         }
2364
2365                 i=BIO_gets(io,buf,bufsize-1);
2366                 if (i < 0) /* error */
2367                         {
2368                         if (!BIO_should_retry(io))
2369                                 {
2370                                 if (!s_quiet)
2371                                         ERR_print_errors(bio_err);
2372                                 goto err;
2373                                 }
2374                         else
2375                                 {
2376                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2377 #if defined(OPENSSL_SYS_NETWARE)
2378             delay(1000);
2379 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2380                                 sleep(1);
2381 #endif
2382                                 continue;
2383                                 }
2384                         }
2385                 else if (i == 0) /* end of input */
2386                         {
2387                         ret=1;
2388                         goto end;
2389                         }
2390
2391                 /* else we have data */
2392                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2393                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2394                         {
2395                         char *p;
2396                         X509 *peer;
2397                         STACK_OF(SSL_CIPHER) *sk;
2398                         static const char *space="                          ";
2399
2400                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2401                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2402                         BIO_puts(io,"<pre>\n");
2403 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2404                         BIO_puts(io,"\n");
2405                         for (i=0; i<local_argc; i++)
2406                                 {
2407                                 BIO_puts(io,local_argv[i]);
2408                                 BIO_write(io," ",1);
2409                                 }
2410                         BIO_puts(io,"\n");
2411
2412                         /* The following is evil and should not really
2413                          * be done */
2414                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2415                         sk=SSL_get_ciphers(con);
2416                         j=sk_SSL_CIPHER_num(sk);
2417                         for (i=0; i<j; i++)
2418                                 {
2419                                 c=sk_SSL_CIPHER_value(sk,i);
2420                                 BIO_printf(io,"%-11s:%-25s",
2421                                         SSL_CIPHER_get_version(c),
2422                                         SSL_CIPHER_get_name(c));
2423                                 if ((((i+1)%2) == 0) && (i+1 != j))
2424                                         BIO_puts(io,"\n");
2425                                 }
2426                         BIO_puts(io,"\n");
2427                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2428                         if (p != NULL)
2429                                 {
2430                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2431                                 j=i=0;
2432                                 while (*p)
2433                                         {
2434                                         if (*p == ':')
2435                                                 {
2436                                                 BIO_write(io,space,26-j);
2437                                                 i++;
2438                                                 j=0;
2439                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2440                                                 }
2441                                         else
2442                                                 {
2443                                                 BIO_write(io,p,1);
2444                                                 j++;
2445                                                 }
2446                                         p++;
2447                                         }
2448                                 BIO_puts(io,"\n");
2449                                 }
2450                         BIO_printf(io,((con->hit)
2451                                 ?"---\nReused, "
2452                                 :"---\nNew, "));
2453                         c=SSL_get_current_cipher(con);
2454                         BIO_printf(io,"%s, Cipher is %s\n",
2455                                 SSL_CIPHER_get_version(c),
2456                                 SSL_CIPHER_get_name(c));
2457                         SSL_SESSION_print(io,SSL_get_session(con));
2458                         BIO_printf(io,"---\n");
2459                         print_stats(io,SSL_get_SSL_CTX(con));
2460                         BIO_printf(io,"---\n");
2461                         peer=SSL_get_peer_certificate(con);
2462                         if (peer != NULL)
2463                                 {
2464                                 BIO_printf(io,"Client certificate\n");
2465                                 X509_print(io,peer);
2466                                 PEM_write_bio_X509(io,peer);
2467                                 }
2468                         else
2469                                 BIO_puts(io,"no client certificate available\n");
2470                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2471                         break;
2472                         }
2473                 else if ((www == 2 || www == 3)
2474                          && (strncmp("GET /",buf,5) == 0))
2475                         {
2476                         BIO *file;
2477                         char *p,*e;
2478                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2479
2480                         /* skip the '/' */
2481                         p= &(buf[5]);
2482
2483                         dot = 1;
2484                         for (e=p; *e != '\0'; e++)
2485                                 {
2486                                 if (e[0] == ' ')
2487                                         break;
2488
2489                                 switch (dot)
2490                                         {
2491                                 case 1:
2492                                         dot = (e[0] == '.') ? 2 : 0;
2493                                         break;
2494                                 case 2:
2495                                         dot = (e[0] == '.') ? 3 : 0;
2496                                         break;
2497                                 case 3:
2498                                         dot = (e[0] == '/') ? -1 : 0;
2499                                         break;
2500                                         }
2501                                 if (dot == 0)
2502                                         dot = (e[0] == '/') ? 1 : 0;
2503                                 }
2504                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2505
2506                         if (*e == '\0')
2507                                 {
2508                                 BIO_puts(io,text);
2509                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2510                                 break;
2511                                 }
2512                         *e='\0';
2513
2514                         if (dot)
2515                                 {
2516                                 BIO_puts(io,text);
2517                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2518                                 break;
2519                                 }
2520
2521                         if (*p == '/')
2522                                 {
2523                                 BIO_puts(io,text);
2524                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2525                                 break;
2526                                 }
2527
2528 #if 0
2529                         /* append if a directory lookup */
2530                         if (e[-1] == '/')
2531                                 strcat(p,"index.html");
2532 #endif
2533
2534                         /* if a directory, do the index thang */
2535                         if (app_isdir(p)>0)
2536                                 {
2537 #if 0 /* must check buffer size */
2538                                 strcat(p,"/index.html");
2539 #else
2540                                 BIO_puts(io,text);
2541                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2542                                 break;
2543 #endif
2544                                 }
2545
2546                         if ((file=BIO_new_file(p,"r")) == NULL)
2547                                 {
2548                                 BIO_puts(io,text);
2549                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2550                                 ERR_print_errors(io);
2551                                 break;
2552                                 }
2553
2554                         if (!s_quiet)
2555                                 BIO_printf(bio_err,"FILE:%s\n",p);
2556
2557                         if (www == 2)
2558                                 {
2559                                 i=strlen(p);
2560                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2561                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2562                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2563                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2564                                 else
2565                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2566                                 }
2567                         /* send the file */
2568                         total_bytes=0;
2569                         for (;;)
2570                                 {
2571                                 i=BIO_read(file,buf,bufsize);
2572                                 if (i <= 0) break;
2573
2574 #ifdef RENEG
2575                                 total_bytes+=i;
2576                                 fprintf(stderr,"%d\n",i);
2577                                 if (total_bytes > 3*1024)
2578                                         {
2579                                         total_bytes=0;
2580                                         fprintf(stderr,"RENEGOTIATE\n");
2581                                         SSL_renegotiate(con);
2582                                         }
2583 #endif
2584
2585                                 for (j=0; j<i; )
2586                                         {
2587 #ifdef RENEG
2588 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2589 #endif
2590                                         k=BIO_write(io,&(buf[j]),i-j);
2591                                         if (k <= 0)
2592                                                 {
2593                                                 if (!BIO_should_retry(io))
2594                                                         goto write_error;
2595                                                 else
2596                                                         {
2597                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2598                                                         }
2599                                                 }
2600                                         else
2601                                                 {
2602                                                 j+=k;
2603                                                 }
2604                                         }
2605                                 }
2606 write_error:
2607                         BIO_free(file);
2608                         break;
2609                         }
2610                 }
2611
2612         for (;;)
2613                 {
2614                 i=(int)BIO_flush(io);
2615                 if (i <= 0)
2616                         {
2617                         if (!BIO_should_retry(io))
2618                                 break;
2619                         }
2620                 else
2621                         break;
2622                 }
2623 end:
2624 #if 1
2625         /* make sure we re-use sessions */
2626         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2627 #else
2628         /* This kills performance */
2629 /*      SSL_shutdown(con); A shutdown gets sent in the
2630  *      BIO_free_all(io) procession */
2631 #endif
2632
2633 err:
2634
2635         if (ret >= 0)
2636                 BIO_printf(bio_s_out,"ACCEPT\n");
2637
2638         if (buf != NULL) OPENSSL_free(buf);
2639         if (io != NULL) BIO_free_all(io);
2640 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2641         return(ret);
2642         }
2643
2644 #ifndef OPENSSL_NO_RSA
2645 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2646         {
2647         BIGNUM *bn = NULL;
2648         static RSA *rsa_tmp=NULL;
2649
2650         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2651                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2652         if (!rsa_tmp && bn)
2653                 {
2654                 if (!s_quiet)
2655                         {
2656                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2657                         (void)BIO_flush(bio_err);
2658                         }
2659                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2660                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2661                         {
2662                         if(rsa_tmp) RSA_free(rsa_tmp);
2663                         rsa_tmp = NULL;
2664                         }
2665                 if (!s_quiet)
2666                         {
2667                         BIO_printf(bio_err,"\n");
2668                         (void)BIO_flush(bio_err);
2669                         }
2670                 BN_free(bn);
2671                 }
2672         return(rsa_tmp);
2673         }
2674 #endif
2675
2676 #define MAX_SESSION_ID_ATTEMPTS 10
2677 static int generate_session_id(const SSL *ssl, unsigned char *id,
2678                                 unsigned int *id_len)
2679         {
2680         unsigned int count = 0;
2681         do      {
2682                 RAND_pseudo_bytes(id, *id_len);
2683                 /* Prefix the session_id with the required prefix. NB: If our
2684                  * prefix is too long, clip it - but there will be worse effects
2685                  * anyway, eg. the server could only possibly create 1 session
2686                  * ID (ie. the prefix!) so all future session negotiations will
2687                  * fail due to conflicts. */
2688                 memcpy(id, session_id_prefix,
2689                         (strlen(session_id_prefix) < *id_len) ?
2690                         strlen(session_id_prefix) : *id_len);
2691                 }
2692         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2693                 (++count < MAX_SESSION_ID_ATTEMPTS));
2694         if(count >= MAX_SESSION_ID_ATTEMPTS)
2695                 return 0;
2696         return 1;
2697         }