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 static void init_session_cache_ctx(SSL_CTX *sctx);
 213 static void free_sessions(void);
 214 #ifndef OPENSSL_NO_DH
 215 static DH *load_dh_param(const char *dhfile);
 216 static DH *get_dh512(void);
 217 #endif
 218
 219 #ifdef MONOLITH
 220 static void s_server_init(void);
 221 #endif
 222
 223 #ifndef OPENSSL_NO_DH
 224 static unsigned char dh512_p[]={
 225         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 226         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 227         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 228         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 229         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 230         0x47,0x74,0xE8,0x33,
 231         };
 232 static unsigned char dh512_g[]={
 233         0x02,
 234         };
 235
 236 static DH *get_dh512(void)
 237         {
 238         DH *dh=NULL;
 239
 240         if ((dh=DH_new()) == NULL) return(NULL);
 241         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 242         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 243         if ((dh->p == NULL) || (dh->g == NULL))
 244                 return(NULL);
 245         return(dh);
 246         }
 247 #endif
 248
 249
 250 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 251
 252 #undef BUFSIZZ
 253 #define BUFSIZZ 16*1024
 254 static int bufsize=BUFSIZZ;
 255 static int accept_socket= -1;
 256
 257 #define TEST_CERT       "server.pem"
 258 #ifndef OPENSSL_NO_TLSEXT
 259 #define TEST_CERT2      "server2.pem"
 260 #endif
 261 #undef PROG
 262 #define PROG            s_server_main
 263
 264 extern int verify_depth, verify_return_error;
 265
 266 static char *cipher=NULL;
 267 static int s_server_verify=SSL_VERIFY_NONE;
 268 static int s_server_session_id_context = 1; /* anything will do */
 269 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 270 #ifndef OPENSSL_NO_TLSEXT
 271 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 272 #endif
 273 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 274 #ifdef FIONBIO
 275 static int s_nbio=0;
 276 #endif
 277 static int s_nbio_test=0;
 278 int s_crlf=0;
 279 static SSL_CTX *ctx=NULL;
 280 #ifndef OPENSSL_NO_TLSEXT
 281 static SSL_CTX *ctx2=NULL;
 282 #endif
 283 static int www=0;
 284
 285 static BIO *bio_s_out=NULL;
 286 static int s_debug=0;
 287 #ifndef OPENSSL_NO_TLSEXT
 288 static int s_tlsextdebug=0;
 289 static int s_tlsextstatus=0;
 290 static int cert_status_cb(SSL *s, void *arg);
 291 #endif
 292 static int s_msg=0;
 293 static int s_quiet=0;
 294
 295 static int hack=0;
 296 #ifndef OPENSSL_NO_ENGINE
 297 static char *engine_id=NULL;
 298 #endif
 299 static const char *session_id_prefix=NULL;
 300
 301 static int enable_timeouts = 0;
 302 static long socket_mtu;
 303 #ifndef OPENSSL_NO_DTLS1
 304 static int cert_chain = 0;
 305 #endif
 306
 307 #ifndef OPENSSL_NO_PSK
 308 static char *psk_identity="Client_identity";
 309 char *psk_key=NULL; /* by default PSK is not used */
 310
 311 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 312         unsigned char *psk, unsigned int max_psk_len)
 313         {
 314         unsigned int psk_len = 0;
 315         int ret;
 316         BIGNUM *bn = NULL;
 317
 318         if (s_debug)
 319                 BIO_printf(bio_s_out,"psk_server_cb\n");
 320         if (!identity)
 321                 {
 322                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 323                 goto out_err;
 324                 }
 325         if (s_debug)
 326                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 327                         identity ? (int)strlen(identity) : 0, identity);
 328
 329         /* here we could lookup the given identity e.g. from a database */
 330         if (strcmp(identity, psk_identity) != 0)
 331                 {
 332                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 333                            " (got '%s' expected '%s')\n", identity,
 334                            psk_identity);
 335                 goto out_err;
 336                 }
 337         if (s_debug)
 338                 BIO_printf(bio_s_out, "PSK client identity found\n");
 339
 340         /* convert the PSK key to binary */
 341         ret = BN_hex2bn(&bn, psk_key);
 342         if (!ret)
 343                 {
 344                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 345                 if (bn)
 346                         BN_free(bn);
 347                 return 0;
 348                 }
 349         if (BN_num_bytes(bn) > (int)max_psk_len)
 350                 {
 351                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 352                         max_psk_len, BN_num_bytes(bn));
 353                 BN_free(bn);
 354                 return 0;
 355                 }
 356
 357         ret = BN_bn2bin(bn, psk);
 358         BN_free(bn);
 359
 360         if (ret < 0)
 361                 goto out_err;
 362         psk_len = (unsigned int)ret;
 363
 364         if (s_debug)
 365                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 366         return psk_len;
 367  out_err:
 368         if (s_debug)
 369                 BIO_printf(bio_err, "Error in PSK server callback\n");
 370         return 0;
 371         }
 372 #endif
 373
 374 #ifdef MONOLITH
 375 static void s_server_init(void)
 376         {
 377         accept_socket=-1;
 378         cipher=NULL;
 379         s_server_verify=SSL_VERIFY_NONE;
 380         s_dcert_file=NULL;
 381         s_dkey_file=NULL;
 382         s_cert_file=TEST_CERT;
 383         s_key_file=NULL;
 384 #ifndef OPENSSL_NO_TLSEXT
 385         s_cert_file2=TEST_CERT2;
 386         s_key_file2=NULL;
 387         ctx2=NULL;
 388 #endif
 389 #ifdef FIONBIO
 390         s_nbio=0;
 391 #endif
 392         s_nbio_test=0;
 393         ctx=NULL;
 394         www=0;
 395
 396         bio_s_out=NULL;
 397         s_debug=0;
 398         s_msg=0;
 399         s_quiet=0;
 400         hack=0;
 401 #ifndef OPENSSL_NO_ENGINE
 402         engine_id=NULL;
 403 #endif
 404         }
 405 #endif
 406
 407 static void sv_usage(void)
 408         {
 409         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 410         BIO_printf(bio_err,"\n");
 411         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 412         BIO_printf(bio_err," -context arg  - set session ID context\n");
 413         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 414         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 415         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 416         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 417         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 418                            "                 The CRL(s) are appended to the certificate file\n");
 419         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 420                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 421                            "                 the certificate file.\n");
 422         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 423         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 424         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 425         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 426         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 427         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 428         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 429         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 430         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 431         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 432         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 433         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 434 #ifndef OPENSSL_NO_ECDH
 435         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 436                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 437                            "                 (default is nistp256).\n");
 438 #endif
 439 #ifdef FIONBIO
 440         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 441 #endif
 442         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 443         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 444         BIO_printf(bio_err," -debug        - Print more output\n");
 445         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 446         BIO_printf(bio_err," -state        - Print the SSL states\n");
 447         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 448         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 449         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 450         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 451         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 452         BIO_printf(bio_err," -quiet        - No server output\n");
 453         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 454 #ifndef OPENSSL_NO_PSK
 455         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 456         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 457 # ifndef OPENSSL_NO_JPAKE
 458         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 459 # endif
 460 #endif
 461         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 462         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 463         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1_1\n");
 464         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 465         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 466         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 467         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 468         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 469         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 470         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 471         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 472         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 473 #ifndef OPENSSL_NO_DH
 474         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 475 #endif
 476 #ifndef OPENSSL_NO_ECDH
 477         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 478 #endif
 479         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 480         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 481         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 482         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 483         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 484 #ifndef OPENSSL_NO_ENGINE
 485         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 486 #endif
 487         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 488         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 489 #ifndef OPENSSL_NO_TLSEXT
 490         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 491         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 492         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 493         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 494         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 495         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 496         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 497         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 498         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 499 #endif
 500         }
 501
 502 static int local_argc=0;
 503 static char **local_argv;
 504
 505 #ifdef CHARSET_EBCDIC
 506 static int ebcdic_new(BIO *bi);
 507 static int ebcdic_free(BIO *a);
 508 static int ebcdic_read(BIO *b, char *out, int outl);
 509 static int ebcdic_write(BIO *b, const char *in, int inl);
 510 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 511 static int ebcdic_gets(BIO *bp, char *buf, int size);
 512 static int ebcdic_puts(BIO *bp, const char *str);
 513
 514 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 515 static BIO_METHOD methods_ebcdic=
 516         {
 517         BIO_TYPE_EBCDIC_FILTER,
 518         "EBCDIC/ASCII filter",
 519         ebcdic_write,
 520         ebcdic_read,
 521         ebcdic_puts,
 522         ebcdic_gets,
 523         ebcdic_ctrl,
 524         ebcdic_new,
 525         ebcdic_free,
 526         };
 527
 528 typedef struct
 529 {
 530         size_t  alloced;
 531         char    buff[1];
 532 } EBCDIC_OUTBUFF;
 533
 534 BIO_METHOD *BIO_f_ebcdic_filter()
 535 {
 536         return(&methods_ebcdic);
 537 }
 538
 539 static int ebcdic_new(BIO *bi)
 540 {
 541         EBCDIC_OUTBUFF *wbuf;
 542
 543         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 544         wbuf->alloced = 1024;
 545         wbuf->buff[0] = '\0';
 546
 547         bi->ptr=(char *)wbuf;
 548         bi->init=1;
 549         bi->flags=0;
 550         return(1);
 551 }
 552
 553 static int ebcdic_free(BIO *a)
 554 {
 555         if (a == NULL) return(0);
 556         if (a->ptr != NULL)
 557                 OPENSSL_free(a->ptr);
 558         a->ptr=NULL;
 559         a->init=0;
 560         a->flags=0;
 561         return(1);
 562 }
 563
 564 static int ebcdic_read(BIO *b, char *out, int outl)
 565 {
 566         int ret=0;
 567
 568         if (out == NULL || outl == 0) return(0);
 569         if (b->next_bio == NULL) return(0);
 570
 571         ret=BIO_read(b->next_bio,out,outl);
 572         if (ret > 0)
 573                 ascii2ebcdic(out,out,ret);
 574         return(ret);
 575 }
 576
 577 static int ebcdic_write(BIO *b, const char *in, int inl)
 578 {
 579         EBCDIC_OUTBUFF *wbuf;
 580         int ret=0;
 581         int num;
 582         unsigned char n;
 583
 584         if ((in == NULL) || (inl <= 0)) return(0);
 585         if (b->next_bio == NULL) return(0);
 586
 587         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 588
 589         if (inl > (num = wbuf->alloced))
 590         {
 591                 num = num + num;  /* double the size */
 592                 if (num < inl)
 593                         num = inl;
 594                 OPENSSL_free(wbuf);
 595                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 596
 597                 wbuf->alloced = num;
 598                 wbuf->buff[0] = '\0';
 599
 600                 b->ptr=(char *)wbuf;
 601         }
 602
 603         ebcdic2ascii(wbuf->buff, in, inl);
 604
 605         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 606
 607         return(ret);
 608 }
 609
 610 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 611 {
 612         long ret;
 613
 614         if (b->next_bio == NULL) return(0);
 615         switch (cmd)
 616         {
 617         case BIO_CTRL_DUP:
 618                 ret=0L;
 619                 break;
 620         default:
 621                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 622                 break;
 623         }
 624         return(ret);
 625 }
 626
 627 static int ebcdic_gets(BIO *bp, char *buf, int size)
 628 {
 629         int i, ret=0;
 630         if (bp->next_bio == NULL) return(0);
 631 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 632         for (i=0; i<size-1; ++i)
 633         {
 634                 ret = ebcdic_read(bp,&buf[i],1);
 635                 if (ret <= 0)
 636                         break;
 637                 else if (buf[i] == '\n')
 638                 {
 639                         ++i;
 640                         break;
 641                 }
 642         }
 643         if (i < size)
 644                 buf[i] = '\0';
 645         return (ret < 0 && i == 0) ? ret : i;
 646 }
 647
 648 static int ebcdic_puts(BIO *bp, const char *str)
 649 {
 650         if (bp->next_bio == NULL) return(0);
 651         return ebcdic_write(bp, str, strlen(str));
 652 }
 653 #endif
 654
 655 #ifndef OPENSSL_NO_TLSEXT
 656
 657 /* This is a context that we pass to callbacks */
 658 typedef struct tlsextctx_st {
 659    char * servername;
 660    BIO * biodebug;
 661    int extension_error;
 662 } tlsextctx;
 663
 664
 665 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 666         {
 667         tlsextctx * p = (tlsextctx *) arg;
 668         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 669         if (servername && p->biodebug)
 670                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 671
 672         if (!p->servername)
 673                 return SSL_TLSEXT_ERR_NOACK;
 674
 675         if (servername)
 676                 {
 677                 if (strcmp(servername,p->servername))
 678                         return p->extension_error;
 679                 if (ctx2)
 680                         {
 681                         BIO_printf(p->biodebug,"Switching server context.\n");
 682                         SSL_set_SSL_CTX(s,ctx2);
 683                         }
 684                 }
 685         return SSL_TLSEXT_ERR_OK;
 686 }
 687
 688 /* Structure passed to cert status callback */
 689
 690 typedef struct tlsextstatusctx_st {
 691    /* Default responder to use */
 692    char *host, *path, *port;
 693    int use_ssl;
 694    int timeout;
 695    BIO *err;
 696    int verbose;
 697 } tlsextstatusctx;
 698
 699 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 700
 701 /* Certificate Status callback. This is called when a client includes a
 702  * certificate status request extension.
 703  *
 704  * This is a simplified version. It examines certificates each time and
 705  * makes one OCSP responder query for each request.
 706  *
 707  * A full version would store details such as the OCSP certificate IDs and
 708  * minimise the number of OCSP responses by caching them until they were
 709  * considered "expired".
 710  */
 711
 712 static int cert_status_cb(SSL *s, void *arg)
 713         {
 714         tlsextstatusctx *srctx = arg;
 715         BIO *err = srctx->err;
 716         char *host, *port, *path;
 717         int use_ssl;
 718         unsigned char *rspder = NULL;
 719         int rspderlen;
 720         STACK_OF(OPENSSL_STRING) *aia = NULL;
 721         X509 *x = NULL;
 722         X509_STORE_CTX inctx;
 723         X509_OBJECT obj;
 724         OCSP_REQUEST *req = NULL;
 725         OCSP_RESPONSE *resp = NULL;
 726         OCSP_CERTID *id = NULL;
 727         STACK_OF(X509_EXTENSION) *exts;
 728         int ret = SSL_TLSEXT_ERR_NOACK;
 729         int i;
 730 #if 0
 731 STACK_OF(OCSP_RESPID) *ids;
 732 SSL_get_tlsext_status_ids(s, &ids);
 733 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 734 #endif
 735         if (srctx->verbose)
 736                 BIO_puts(err, "cert_status: callback called\n");
 737         /* Build up OCSP query from server certificate */
 738         x = SSL_get_certificate(s);
 739         aia = X509_get1_ocsp(x);
 740         if (aia)
 741                 {
 742                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 743                         &host, &port, &path, &use_ssl))
 744                         {
 745                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 746                         goto err;
 747                         }
 748                 if (srctx->verbose)
 749                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 750                                         sk_OPENSSL_STRING_value(aia, 0));
 751                 }
 752         else
 753                 {
 754                 if (!srctx->host)
 755                         {
 756                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 757                         goto done;
 758                         }
 759                 host = srctx->host;
 760                 path = srctx->path;
 761                 port = srctx->port;
 762                 use_ssl = srctx->use_ssl;
 763                 }
 764
 765         if (!X509_STORE_CTX_init(&inctx,
 766                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 767                                 NULL, NULL))
 768                 goto err;
 769         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 770                                 X509_get_issuer_name(x),&obj) <= 0)
 771                 {
 772                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 773                 X509_STORE_CTX_cleanup(&inctx);
 774                 goto done;
 775                 }
 776         req = OCSP_REQUEST_new();
 777         if (!req)
 778                 goto err;
 779         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 780         X509_free(obj.data.x509);
 781         X509_STORE_CTX_cleanup(&inctx);
 782         if (!id)
 783                 goto err;
 784         if (!OCSP_request_add0_id(req, id))
 785                 goto err;
 786         id = NULL;
 787         /* Add any extensions to the request */
 788         SSL_get_tlsext_status_exts(s, &exts);
 789         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 790                 {
 791                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 792                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 793                         goto err;
 794                 }
 795         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 796                                         srctx->timeout);
 797         if (!resp)
 798                 {
 799                 BIO_puts(err, "cert_status: error querying responder\n");
 800                 goto done;
 801                 }
 802         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 803         if (rspderlen <= 0)
 804                 goto err;
 805         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 806         if (srctx->verbose)
 807                 {
 808                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 809                 OCSP_RESPONSE_print(err, resp, 2);
 810                 }
 811         ret = SSL_TLSEXT_ERR_OK;
 812         done:
 813         if (ret != SSL_TLSEXT_ERR_OK)
 814                 ERR_print_errors(err);
 815         if (aia)
 816                 {
 817                 OPENSSL_free(host);
 818                 OPENSSL_free(path);
 819                 OPENSSL_free(port);
 820                 X509_email_free(aia);
 821                 }
 822         if (id)
 823                 OCSP_CERTID_free(id);
 824         if (req)
 825                 OCSP_REQUEST_free(req);
 826         if (resp)
 827                 OCSP_RESPONSE_free(resp);
 828         return ret;
 829         err:
 830         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 831         goto done;
 832         }
 833 #endif
 834
 835 int MAIN(int, char **);
 836
 837 #ifndef OPENSSL_NO_JPAKE
 838 static char *jpake_secret = NULL;
 839 #endif
 840
 841 int MAIN(int argc, char *argv[])
 842         {
 843         X509_VERIFY_PARAM *vpm = NULL;
 844         int badarg = 0;
 845         short port=PORT;
 846         char *CApath=NULL,*CAfile=NULL;
 847         unsigned char *context = NULL;
 848         char *dhfile = NULL;
 849 #ifndef OPENSSL_NO_ECDH
 850         char *named_curve = NULL;
 851 #endif
 852         int badop=0,bugs=0;
 853         int ret=1;
 854         int off=0;
 855         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 856         int state=0;
 857         const SSL_METHOD *meth=NULL;
 858         int socket_type=SOCK_STREAM;
 859         ENGINE *e=NULL;
 860         char *inrand=NULL;
 861         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 862         char *passarg = NULL, *pass = NULL;
 863         char *dpassarg = NULL, *dpass = NULL;
 864         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 865         X509 *s_cert = NULL, *s_dcert = NULL;
 866         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 867         int no_cache = 0, ext_cache = 0;
 868 #ifndef OPENSSL_NO_TLSEXT
 869         EVP_PKEY *s_key2 = NULL;
 870         X509 *s_cert2 = NULL;
 871 #endif
 872 #ifndef OPENSSL_NO_TLSEXT
 873         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 874 #endif
 875 #ifndef OPENSSL_NO_PSK
 876         /* by default do not send a PSK identity hint */
 877         static char *psk_identity_hint=NULL;
 878 #endif
 879 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 880         meth=SSLv23_server_method();
 881 #elif !defined(OPENSSL_NO_SSL3)
 882         meth=SSLv3_server_method();
 883 #elif !defined(OPENSSL_NO_SSL2)
 884         meth=SSLv2_server_method();
 885 #endif
 886
 887         local_argc=argc;
 888         local_argv=argv;
 889
 890         apps_startup();
 891 #ifdef MONOLITH
 892         s_server_init();
 893 #endif
 894
 895         if (bio_err == NULL)
 896                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 897
 898         if (!load_config(bio_err, NULL))
 899                 goto end;
 900
 901         verify_depth=0;
 902 #ifdef FIONBIO
 903         s_nbio=0;
 904 #endif
 905         s_nbio_test=0;
 906
 907         argc--;
 908         argv++;
 909
 910         while (argc >= 1)
 911                 {
 912                 if      ((strcmp(*argv,"-port") == 0) ||
 913                          (strcmp(*argv,"-accept") == 0))
 914                         {
 915                         if (--argc < 1) goto bad;
 916                         if (!extract_port(*(++argv),&port))
 917                                 goto bad;
 918                         }
 919                 else if (strcmp(*argv,"-verify") == 0)
 920                         {
 921                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 922                         if (--argc < 1) goto bad;
 923                         verify_depth=atoi(*(++argv));
 924                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 925                         }
 926                 else if (strcmp(*argv,"-Verify") == 0)
 927                         {
 928                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 929                                 SSL_VERIFY_CLIENT_ONCE;
 930                         if (--argc < 1) goto bad;
 931                         verify_depth=atoi(*(++argv));
 932                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 933                         }
 934                 else if (strcmp(*argv,"-context") == 0)
 935                         {
 936                         if (--argc < 1) goto bad;
 937                         context= (unsigned char *)*(++argv);
 938                         }
 939                 else if (strcmp(*argv,"-cert") == 0)
 940                         {
 941                         if (--argc < 1) goto bad;
 942                         s_cert_file= *(++argv);
 943                         }
 944                 else if (strcmp(*argv,"-certform") == 0)
 945                         {
 946                         if (--argc < 1) goto bad;
 947                         s_cert_format = str2fmt(*(++argv));
 948                         }
 949                 else if (strcmp(*argv,"-key") == 0)
 950                         {
 951                         if (--argc < 1) goto bad;
 952                         s_key_file= *(++argv);
 953                         }
 954                 else if (strcmp(*argv,"-keyform") == 0)
 955                         {
 956                         if (--argc < 1) goto bad;
 957                         s_key_format = str2fmt(*(++argv));
 958                         }
 959                 else if (strcmp(*argv,"-pass") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         passarg = *(++argv);
 963                         }
 964                 else if (strcmp(*argv,"-dhparam") == 0)
 965                         {
 966                         if (--argc < 1) goto bad;
 967                         dhfile = *(++argv);
 968                         }
 969 #ifndef OPENSSL_NO_ECDH
 970                 else if (strcmp(*argv,"-named_curve") == 0)
 971                         {
 972                         if (--argc < 1) goto bad;
 973                         named_curve = *(++argv);
 974                         }
 975 #endif
 976                 else if (strcmp(*argv,"-dcertform") == 0)
 977                         {
 978                         if (--argc < 1) goto bad;
 979                         s_dcert_format = str2fmt(*(++argv));
 980                         }
 981                 else if (strcmp(*argv,"-dcert") == 0)
 982                         {
 983                         if (--argc < 1) goto bad;
 984                         s_dcert_file= *(++argv);
 985                         }
 986                 else if (strcmp(*argv,"-dkeyform") == 0)
 987                         {
 988                         if (--argc < 1) goto bad;
 989                         s_dkey_format = str2fmt(*(++argv));
 990                         }
 991                 else if (strcmp(*argv,"-dpass") == 0)
 992                         {
 993                         if (--argc < 1) goto bad;
 994                         dpassarg = *(++argv);
 995                         }
 996                 else if (strcmp(*argv,"-dkey") == 0)
 997                         {
 998                         if (--argc < 1) goto bad;
 999                         s_dkey_file= *(++argv);
1000                         }
1001                 else if (strcmp(*argv,"-nocert") == 0)
1002                         {
1003                         nocert=1;
1004                         }
1005                 else if (strcmp(*argv,"-CApath") == 0)
1006                         {
1007                         if (--argc < 1) goto bad;
1008                         CApath= *(++argv);
1009                         }
1010                 else if (strcmp(*argv,"-no_cache") == 0)
1011                         no_cache = 1;
1012                 else if (strcmp(*argv,"-ext_cache") == 0)
1013                         ext_cache = 1;
1014                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1015                         {
1016                         if (badarg)
1017                                 goto bad;
1018                         continue;
1019                         }
1020                 else if (strcmp(*argv,"-verify_return_error") == 0)
1021                         verify_return_error = 1;
1022                 else if (strcmp(*argv,"-serverpref") == 0)
1023                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1024                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1025                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1026                 else if (strcmp(*argv,"-cipher") == 0)
1027                         {
1028                         if (--argc < 1) goto bad;
1029                         cipher= *(++argv);
1030                         }
1031                 else if (strcmp(*argv,"-CAfile") == 0)
1032                         {
1033                         if (--argc < 1) goto bad;
1034                         CAfile= *(++argv);
1035                         }
1036 #ifdef FIONBIO
1037                 else if (strcmp(*argv,"-nbio") == 0)
1038                         { s_nbio=1; }
1039 #endif
1040                 else if (strcmp(*argv,"-nbio_test") == 0)
1041                         {
1042 #ifdef FIONBIO
1043                         s_nbio=1;
1044 #endif
1045                         s_nbio_test=1;
1046                         }
1047                 else if (strcmp(*argv,"-debug") == 0)
1048                         { s_debug=1; }
1049 #ifndef OPENSSL_NO_TLSEXT
1050                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1051                         s_tlsextdebug=1;
1052                 else if (strcmp(*argv,"-status") == 0)
1053                         s_tlsextstatus=1;
1054                 else if (strcmp(*argv,"-status_verbose") == 0)
1055                         {
1056                         s_tlsextstatus=1;
1057                         tlscstatp.verbose = 1;
1058                         }
1059                 else if (!strcmp(*argv, "-status_timeout"))
1060                         {
1061                         s_tlsextstatus=1;
1062                         if (--argc < 1) goto bad;
1063                         tlscstatp.timeout = atoi(*(++argv));
1064                         }
1065                 else if (!strcmp(*argv, "-status_url"))
1066                         {
1067                         s_tlsextstatus=1;
1068                         if (--argc < 1) goto bad;
1069                         if (!OCSP_parse_url(*(++argv),
1070                                         &tlscstatp.host,
1071                                         &tlscstatp.port,
1072                                         &tlscstatp.path,
1073                                         &tlscstatp.use_ssl))
1074                                 {
1075                                 BIO_printf(bio_err, "Error parsing URL\n");
1076                                 goto bad;
1077                                 }
1078                         }
1079 #endif
1080                 else if (strcmp(*argv,"-msg") == 0)
1081                         { s_msg=1; }
1082                 else if (strcmp(*argv,"-hack") == 0)
1083                         { hack=1; }
1084                 else if (strcmp(*argv,"-state") == 0)
1085                         { state=1; }
1086                 else if (strcmp(*argv,"-crlf") == 0)
1087                         { s_crlf=1; }
1088                 else if (strcmp(*argv,"-quiet") == 0)
1089                         { s_quiet=1; }
1090                 else if (strcmp(*argv,"-bugs") == 0)
1091                         { bugs=1; }
1092                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1093                         { no_tmp_rsa=1; }
1094                 else if (strcmp(*argv,"-no_dhe") == 0)
1095                         { no_dhe=1; }
1096                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1097                         { no_ecdhe=1; }
1098 #ifndef OPENSSL_NO_PSK
1099                 else if (strcmp(*argv,"-psk_hint") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         psk_identity_hint= *(++argv);
1103                         }
1104                 else if (strcmp(*argv,"-psk") == 0)
1105                         {
1106                         size_t i;
1107
1108                         if (--argc < 1) goto bad;
1109                         psk_key=*(++argv);
1110                         for (i=0; i<strlen(psk_key); i++)
1111                                 {
1112                                 if (isxdigit((int)psk_key[i]))
1113                                         continue;
1114                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1115                                 goto bad;
1116                                 }
1117                         }
1118 #endif
1119                 else if (strcmp(*argv,"-www") == 0)
1120                         { www=1; }
1121                 else if (strcmp(*argv,"-WWW") == 0)
1122                         { www=2; }
1123                 else if (strcmp(*argv,"-HTTP") == 0)
1124                         { www=3; }
1125                 else if (strcmp(*argv,"-no_ssl2") == 0)
1126                         { off|=SSL_OP_NO_SSLv2; }
1127                 else if (strcmp(*argv,"-no_ssl3") == 0)
1128                         { off|=SSL_OP_NO_SSLv3; }
1129                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1130                         { off|=SSL_OP_NO_TLSv1_1; }
1131                 else if (strcmp(*argv,"-no_tls1") == 0)
1132                         { off|=SSL_OP_NO_TLSv1; }
1133                 else if (strcmp(*argv,"-no_comp") == 0)
1134                         { off|=SSL_OP_NO_COMPRESSION; }
1135 #ifndef OPENSSL_NO_TLSEXT
1136                 else if (strcmp(*argv,"-no_ticket") == 0)
1137                         { off|=SSL_OP_NO_TICKET; }
1138 #endif
1139 #ifndef OPENSSL_NO_SSL2
1140                 else if (strcmp(*argv,"-ssl2") == 0)
1141                         { meth=SSLv2_server_method(); }
1142 #endif
1143 #ifndef OPENSSL_NO_SSL3
1144                 else if (strcmp(*argv,"-ssl3") == 0)
1145                         { meth=SSLv3_server_method(); }
1146 #endif
1147 #ifndef OPENSSL_NO_TLS1
1148                 else if (strcmp(*argv,"-tls1_1") == 0)
1149                         { meth=TLSv1_1_server_method(); }
1150                 else if (strcmp(*argv,"-tls1") == 0)
1151                         { meth=TLSv1_server_method(); }
1152 #endif
1153 #ifndef OPENSSL_NO_DTLS1
1154                 else if (strcmp(*argv,"-dtls1") == 0)
1155                         {
1156                         meth=DTLSv1_server_method();
1157                         socket_type = SOCK_DGRAM;
1158                         }
1159                 else if (strcmp(*argv,"-timeout") == 0)
1160                         enable_timeouts = 1;
1161                 else if (strcmp(*argv,"-mtu") == 0)
1162                         {
1163                         if (--argc < 1) goto bad;
1164                         socket_mtu = atol(*(++argv));
1165                         }
1166                 else if (strcmp(*argv, "-chain") == 0)
1167                         cert_chain = 1;
1168 #endif
1169                 else if (strcmp(*argv, "-id_prefix") == 0)
1170                         {
1171                         if (--argc < 1) goto bad;
1172                         session_id_prefix = *(++argv);
1173                         }
1174 #ifndef OPENSSL_NO_ENGINE
1175                 else if (strcmp(*argv,"-engine") == 0)
1176                         {
1177                         if (--argc < 1) goto bad;
1178                         engine_id= *(++argv);
1179                         }
1180 #endif
1181                 else if (strcmp(*argv,"-rand") == 0)
1182                         {
1183                         if (--argc < 1) goto bad;
1184                         inrand= *(++argv);
1185                         }
1186 #ifndef OPENSSL_NO_TLSEXT
1187                 else if (strcmp(*argv,"-servername") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         tlsextcbp.servername= *(++argv);
1191                         }
1192                 else if (strcmp(*argv,"-servername_fatal") == 0)
1193                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1194                 else if (strcmp(*argv,"-cert2") == 0)
1195                         {
1196                         if (--argc < 1) goto bad;
1197                         s_cert_file2= *(++argv);
1198                         }
1199                 else if (strcmp(*argv,"-key2") == 0)
1200                         {
1201                         if (--argc < 1) goto bad;
1202                         s_key_file2= *(++argv);
1203                         }
1204
1205 #endif
1206 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1207                 else if (strcmp(*argv,"-jpake") == 0)
1208                         {
1209                         if (--argc < 1) goto bad;
1210                         jpake_secret = *(++argv);
1211                         }
1212 #endif
1213                 else
1214                         {
1215                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1216                         badop=1;
1217                         break;
1218                         }
1219                 argc--;
1220                 argv++;
1221                 }
1222         if (badop)
1223                 {
1224 bad:
1225                 sv_usage();
1226                 goto end;
1227                 }
1228
1229 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1230         if (jpake_secret)
1231                 {
1232                 if (psk_key)
1233                         {
1234                         BIO_printf(bio_err,
1235                                    "Can't use JPAKE and PSK together\n");
1236                         goto end;
1237                         }
1238                 psk_identity = "JPAKE";
1239                 if (cipher)
1240                         {
1241                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1242                         goto end;
1243                         }
1244                 cipher = "PSK";
1245                 }
1246
1247 #endif
1248
1249         SSL_load_error_strings();
1250         OpenSSL_add_ssl_algorithms();
1251
1252 #ifndef OPENSSL_NO_ENGINE
1253         e = setup_engine(bio_err, engine_id, 1);
1254 #endif
1255
1256         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1257                 {
1258                 BIO_printf(bio_err, "Error getting password\n");
1259                 goto end;
1260                 }
1261
1262
1263         if (s_key_file == NULL)
1264                 s_key_file = s_cert_file;
1265 #ifndef OPENSSL_NO_TLSEXT
1266         if (s_key_file2 == NULL)
1267                 s_key_file2 = s_cert_file2;
1268 #endif
1269
1270         if (nocert == 0)
1271                 {
1272                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1273                        "server certificate private key file");
1274                 if (!s_key)
1275                         {
1276                         ERR_print_errors(bio_err);
1277                         goto end;
1278                         }
1279
1280                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1281                         NULL, e, "server certificate file");
1282
1283                 if (!s_cert)
1284                         {
1285                         ERR_print_errors(bio_err);
1286                         goto end;
1287                         }
1288
1289 #ifndef OPENSSL_NO_TLSEXT
1290                 if (tlsextcbp.servername)
1291                         {
1292                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1293                                 "second server certificate private key file");
1294                         if (!s_key2)
1295                                 {
1296                                 ERR_print_errors(bio_err);
1297                                 goto end;
1298                                 }
1299
1300                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1301                                 NULL, e, "second server certificate file");
1302
1303                         if (!s_cert2)
1304                                 {
1305                                 ERR_print_errors(bio_err);
1306                                 goto end;
1307                                 }
1308                         }
1309 #endif
1310                 }
1311
1312
1313         if (s_dcert_file)
1314                 {
1315
1316                 if (s_dkey_file == NULL)
1317                         s_dkey_file = s_dcert_file;
1318
1319                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1320                                 0, dpass, e,
1321                                "second certificate private key file");
1322                 if (!s_dkey)
1323                         {
1324                         ERR_print_errors(bio_err);
1325                         goto end;
1326                         }
1327
1328                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1329                                 NULL, e, "second server certificate file");
1330
1331                 if (!s_dcert)
1332                         {
1333                         ERR_print_errors(bio_err);
1334                         goto end;
1335                         }
1336
1337                 }
1338
1339         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1340                 && !RAND_status())
1341                 {
1342                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1343                 }
1344         if (inrand != NULL)
1345                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1346                         app_RAND_load_files(inrand));
1347
1348         if (bio_s_out == NULL)
1349                 {
1350                 if (s_quiet && !s_debug && !s_msg)
1351                         {
1352                         bio_s_out=BIO_new(BIO_s_null());
1353                         }
1354                 else
1355                         {
1356                         if (bio_s_out == NULL)
1357                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1358                         }
1359                 }
1360
1361 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1362         if (nocert)
1363 #endif
1364                 {
1365                 s_cert_file=NULL;
1366                 s_key_file=NULL;
1367                 s_dcert_file=NULL;
1368                 s_dkey_file=NULL;
1369 #ifndef OPENSSL_NO_TLSEXT
1370                 s_cert_file2=NULL;
1371                 s_key_file2=NULL;
1372 #endif
1373                 }
1374
1375         ctx=SSL_CTX_new(meth);
1376         if (ctx == NULL)
1377                 {
1378                 ERR_print_errors(bio_err);
1379                 goto end;
1380                 }
1381         if (session_id_prefix)
1382                 {
1383                 if(strlen(session_id_prefix) >= 32)
1384                         BIO_printf(bio_err,
1385 "warning: id_prefix is too long, only one new session will be possible\n");
1386                 else if(strlen(session_id_prefix) >= 16)
1387                         BIO_printf(bio_err,
1388 "warning: id_prefix is too long if you use SSLv2\n");
1389                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1390                         {
1391                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1392                         ERR_print_errors(bio_err);
1393                         goto end;
1394                         }
1395                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1396                 }
1397         SSL_CTX_set_quiet_shutdown(ctx,1);
1398         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1399         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1400         SSL_CTX_set_options(ctx,off);
1401         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1402          * Setting read ahead solves this problem.
1403          */
1404         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1405
1406         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1407         if (no_cache)
1408                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1409         else if (ext_cache)
1410                 init_session_cache_ctx(ctx);
1411         else
1412                 SSL_CTX_sess_set_cache_size(ctx,128);
1413
1414 #if 0
1415         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1416 #endif
1417
1418 #if 0
1419         if (s_cert_file == NULL)
1420                 {
1421                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1422                 goto end;
1423                 }
1424 #endif
1425
1426         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1427                 (!SSL_CTX_set_default_verify_paths(ctx)))
1428                 {
1429                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1430                 ERR_print_errors(bio_err);
1431                 /* goto end; */
1432                 }
1433         if (vpm)
1434                 SSL_CTX_set1_param(ctx, vpm);
1435
1436 #ifndef OPENSSL_NO_TLSEXT
1437         if (s_cert2)
1438                 {
1439                 ctx2=SSL_CTX_new(meth);
1440                 if (ctx2 == NULL)
1441                         {
1442                         ERR_print_errors(bio_err);
1443                         goto end;
1444                         }
1445                 }
1446
1447         if (ctx2)
1448                 {
1449                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1450
1451                 if (session_id_prefix)
1452                         {
1453                         if(strlen(session_id_prefix) >= 32)
1454                                 BIO_printf(bio_err,
1455                                         "warning: id_prefix is too long, only one new session will be possible\n");
1456                         else if(strlen(session_id_prefix) >= 16)
1457                                 BIO_printf(bio_err,
1458                                         "warning: id_prefix is too long if you use SSLv2\n");
1459                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1460                                 {
1461                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1462                                 ERR_print_errors(bio_err);
1463                                 goto end;
1464                                 }
1465                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1466                         }
1467                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1468                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1469                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1470                 SSL_CTX_set_options(ctx2,off);
1471                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1472                  * Setting read ahead solves this problem.
1473                  */
1474                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1475
1476                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1477
1478                 if (no_cache)
1479                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1480                 else if (ext_cache)
1481                         init_session_cache_ctx(ctx2);
1482                 else
1483                         SSL_CTX_sess_set_cache_size(ctx2,128);
1484
1485                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1486                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1487                         {
1488                         ERR_print_errors(bio_err);
1489                         }
1490                 if (vpm)
1491                         SSL_CTX_set1_param(ctx2, vpm);
1492                 }
1493 #endif
1494
1495 #ifndef OPENSSL_NO_DH
1496         if (!no_dhe)
1497                 {
1498                 DH *dh=NULL;
1499
1500                 if (dhfile)
1501                         dh = load_dh_param(dhfile);
1502                 else if (s_cert_file)
1503                         dh = load_dh_param(s_cert_file);
1504
1505                 if (dh != NULL)
1506                         {
1507                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1508                         }
1509                 else
1510                         {
1511                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1512                         dh=get_dh512();
1513                         }
1514                 (void)BIO_flush(bio_s_out);
1515
1516                 SSL_CTX_set_tmp_dh(ctx,dh);
1517 #ifndef OPENSSL_NO_TLSEXT
1518                 if (ctx2)
1519                         {
1520                         if (!dhfile)
1521                                 {
1522                                 DH *dh2=load_dh_param(s_cert_file2);
1523                                 if (dh2 != NULL)
1524                                         {
1525                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1526                                         (void)BIO_flush(bio_s_out);
1527
1528                                         DH_free(dh);
1529                                         dh = dh2;
1530                                         }
1531                                 }
1532                         SSL_CTX_set_tmp_dh(ctx2,dh);
1533                         }
1534 #endif
1535                 DH_free(dh);
1536                 }
1537 #endif
1538
1539 #ifndef OPENSSL_NO_ECDH
1540         if (!no_ecdhe)
1541                 {
1542                 EC_KEY *ecdh=NULL;
1543
1544                 if (named_curve)
1545                         {
1546                         int nid = OBJ_sn2nid(named_curve);
1547
1548                         if (nid == 0)
1549                                 {
1550                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1551                                         named_curve);
1552                                 goto end;
1553                                 }
1554                         ecdh = EC_KEY_new_by_curve_name(nid);
1555                         if (ecdh == NULL)
1556                                 {
1557                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1558                                         named_curve);
1559                                 goto end;
1560                                 }
1561                         }
1562
1563                 if (ecdh != NULL)
1564                         {
1565                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1566                         }
1567                 else
1568                         {
1569                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1570                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1571                         if (ecdh == NULL)
1572                                 {
1573                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1574                                 goto end;
1575                                 }
1576                         }
1577                 (void)BIO_flush(bio_s_out);
1578
1579                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1580 #ifndef OPENSSL_NO_TLSEXT
1581                 if (ctx2)
1582                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1583 #endif
1584                 EC_KEY_free(ecdh);
1585                 }
1586 #endif
1587
1588         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1589                 goto end;
1590 #ifndef OPENSSL_NO_TLSEXT
1591         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1592                 goto end;
1593 #endif
1594         if (s_dcert != NULL)
1595                 {
1596                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1597                         goto end;
1598                 }
1599
1600 #ifndef OPENSSL_NO_RSA
1601 #if 1
1602         if (!no_tmp_rsa)
1603                 {
1604                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1605 #ifndef OPENSSL_NO_TLSEXT
1606                 if (ctx2)
1607                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1608 #endif
1609                 }
1610 #else
1611         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1612                 {
1613                 RSA *rsa;
1614
1615                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1616                 BIO_flush(bio_s_out);
1617
1618                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1619
1620                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1621                         {
1622                         ERR_print_errors(bio_err);
1623                         goto end;
1624                         }
1625 #ifndef OPENSSL_NO_TLSEXT
1626                         if (ctx2)
1627                                 {
1628                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1629                                         {
1630                                         ERR_print_errors(bio_err);
1631                                         goto end;
1632                                         }
1633                                 }
1634 #endif
1635                 RSA_free(rsa);
1636                 BIO_printf(bio_s_out,"\n");
1637                 }
1638 #endif
1639 #endif
1640
1641 #ifndef OPENSSL_NO_PSK
1642 #ifdef OPENSSL_NO_JPAKE
1643         if (psk_key != NULL)
1644 #else
1645         if (psk_key != NULL || jpake_secret)
1646 #endif
1647                 {
1648                 if (s_debug)
1649                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1650                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1651                 }
1652
1653         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1654                 {
1655                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1656                 ERR_print_errors(bio_err);
1657                 goto end;
1658                 }
1659 #endif
1660
1661         if (cipher != NULL)
1662                 {
1663                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1664                         {
1665                         BIO_printf(bio_err,"error setting cipher list\n");
1666                         ERR_print_errors(bio_err);
1667                         goto end;
1668                         }
1669 #ifndef OPENSSL_NO_TLSEXT
1670                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1671                         {
1672                         BIO_printf(bio_err,"error setting cipher list\n");
1673                         ERR_print_errors(bio_err);
1674                         goto end;
1675                         }
1676 #endif
1677                 }
1678         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1679         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1680                 sizeof s_server_session_id_context);
1681
1682         /* Set DTLS cookie generation and verification callbacks */
1683         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1684         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1685
1686 #ifndef OPENSSL_NO_TLSEXT
1687         if (ctx2)
1688                 {
1689                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1690                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1691                         sizeof s_server_session_id_context);
1692
1693                 tlsextcbp.biodebug = bio_s_out;
1694                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1695                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1696                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1697                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1698                 }
1699 #endif
1700
1701         if (CAfile != NULL)
1702                 {
1703                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1704 #ifndef OPENSSL_NO_TLSEXT
1705                 if (ctx2)
1706                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1707 #endif
1708                 }
1709
1710         BIO_printf(bio_s_out,"ACCEPT\n");
1711         (void)BIO_flush(bio_s_out);
1712         if (www)
1713                 do_server(port,socket_type,&accept_socket,www_body, context);
1714         else
1715                 do_server(port,socket_type,&accept_socket,sv_body, context);
1716         print_stats(bio_s_out,ctx);
1717         ret=0;
1718 end:
1719         if (ctx != NULL) SSL_CTX_free(ctx);
1720         if (s_cert)
1721                 X509_free(s_cert);
1722         if (s_dcert)
1723                 X509_free(s_dcert);
1724         if (s_key)
1725                 EVP_PKEY_free(s_key);
1726         if (s_dkey)
1727                 EVP_PKEY_free(s_dkey);
1728         if (pass)
1729                 OPENSSL_free(pass);
1730         if (dpass)
1731                 OPENSSL_free(dpass);
1732         free_sessions();
1733 #ifndef OPENSSL_NO_TLSEXT
1734         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1735         if (s_cert2)
1736                 X509_free(s_cert2);
1737         if (s_key2)
1738                 EVP_PKEY_free(s_key2);
1739 #endif
1740         if (bio_s_out != NULL)
1741                 {
1742         BIO_free(bio_s_out);
1743                 bio_s_out=NULL;
1744                 }
1745         apps_shutdown();
1746         OPENSSL_EXIT(ret);
1747         }
1748
1749 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1750         {
1751         BIO_printf(bio,"%4ld items in the session cache\n",
1752                 SSL_CTX_sess_number(ssl_ctx));
1753         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1754                 SSL_CTX_sess_connect(ssl_ctx));
1755         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1756                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1757         BIO_printf(bio,"%4ld client connects that finished\n",
1758                 SSL_CTX_sess_connect_good(ssl_ctx));
1759         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1760                 SSL_CTX_sess_accept(ssl_ctx));
1761         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1762                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1763         BIO_printf(bio,"%4ld server accepts that finished\n",
1764                 SSL_CTX_sess_accept_good(ssl_ctx));
1765         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1766         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1767         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1768         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1769         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1770                 SSL_CTX_sess_cache_full(ssl_ctx),
1771                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1772         }
1773
1774 static int sv_body(char *hostname, int s, unsigned char *context)
1775         {
1776         char *buf=NULL;
1777         fd_set readfds;
1778         int ret=1,width;
1779         int k,i;
1780         unsigned long l;
1781         SSL *con=NULL;
1782         BIO *sbio;
1783         struct timeval timeout;
1784 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1785         struct timeval tv;
1786 #else
1787         struct timeval *timeoutp;
1788 #endif
1789
1790         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1791                 {
1792                 BIO_printf(bio_err,"out of memory\n");
1793                 goto err;
1794                 }
1795 #ifdef FIONBIO
1796         if (s_nbio)
1797                 {
1798                 unsigned long sl=1;
1799
1800                 if (!s_quiet)
1801                         BIO_printf(bio_err,"turning on non blocking io\n");
1802                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1803                         ERR_print_errors(bio_err);
1804                 }
1805 #endif
1806
1807         if (con == NULL) {
1808                 con=SSL_new(ctx);
1809 #ifndef OPENSSL_NO_TLSEXT
1810         if (s_tlsextdebug)
1811                 {
1812                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1813                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1814                 }
1815         if (s_tlsextstatus)
1816                 {
1817                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1818                 tlscstatp.err = bio_err;
1819                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1820                 }
1821 #endif
1822 #ifndef OPENSSL_NO_KRB5
1823                 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1824                         {
1825                         kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1826                                                                 KRB5SVC);
1827                         kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1828                                                                 KRB5KEYTAB);
1829                         }
1830 #endif  /* OPENSSL_NO_KRB5 */
1831                 if(context)
1832                       SSL_set_session_id_context(con, context,
1833                                                  strlen((char *)context));
1834         }
1835         SSL_clear(con);
1836 #if 0
1837 #ifdef TLSEXT_TYPE_opaque_prf_input
1838         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1839 #endif
1840 #endif
1841
1842         if (SSL_version(con) == DTLS1_VERSION)
1843                 {
1844
1845                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1846
1847                 if (enable_timeouts)
1848                         {
1849                         timeout.tv_sec = 0;
1850                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1851                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1852
1853                         timeout.tv_sec = 0;
1854                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1855                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1856                         }
1857
1858                 if (socket_mtu > 28)
1859                         {
1860                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1861                         SSL_set_mtu(con, socket_mtu - 28);
1862                         }
1863                 else
1864                         /* want to do MTU discovery */
1865                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1866
1867         /* turn on cookie exchange */
1868         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1869                 }
1870         else
1871                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1872
1873         if (s_nbio_test)
1874                 {
1875                 BIO *test;
1876
1877                 test=BIO_new(BIO_f_nbio_test());
1878                 sbio=BIO_push(test,sbio);
1879                 }
1880 #ifndef OPENSSL_NO_JPAKE
1881         if(jpake_secret)
1882                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1883 #endif
1884
1885         SSL_set_bio(con,sbio,sbio);
1886         SSL_set_accept_state(con);
1887         /* SSL_set_fd(con,s); */
1888
1889         if (s_debug)
1890                 {
1891                 con->debug=1;
1892                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1893                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1894                 }
1895         if (s_msg)
1896                 {
1897                 SSL_set_msg_callback(con, msg_cb);
1898                 SSL_set_msg_callback_arg(con, bio_s_out);
1899                 }
1900 #ifndef OPENSSL_NO_TLSEXT
1901         if (s_tlsextdebug)
1902                 {
1903                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1904                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1905                 }
1906 #endif
1907
1908         width=s+1;
1909         for (;;)
1910                 {
1911                 int read_from_terminal;
1912                 int read_from_sslcon;
1913
1914                 read_from_terminal = 0;
1915                 read_from_sslcon = SSL_pending(con);
1916
1917                 if (!read_from_sslcon)
1918                         {
1919                         FD_ZERO(&readfds);
1920 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1921                         openssl_fdset(fileno(stdin),&readfds);
1922 #endif
1923                         openssl_fdset(s,&readfds);
1924                         /* Note: under VMS with SOCKETSHR the second parameter is
1925                          * currently of type (int *) whereas under other systems
1926                          * it is (void *) if you don't have a cast it will choke
1927                          * the compiler: if you do have a cast then you can either
1928                          * go for (int *) or (void *).
1929                          */
1930 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1931                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
1932                          * on sockets. As a workaround we timeout the select every
1933                          * second and check for any keypress. In a proper Windows
1934                          * application we wouldn't do this because it is inefficient.
1935                          */
1936                         tv.tv_sec = 1;
1937                         tv.tv_usec = 0;
1938                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1939                         if((i < 0) || (!i && !_kbhit() ) )continue;
1940                         if(_kbhit())
1941                                 read_from_terminal = 1;
1942 #elif defined(OPENSSL_SYS_BEOS_R5)
1943                         /* Under BeOS-R5 the situation is similar to DOS */
1944                         tv.tv_sec = 1;
1945                         tv.tv_usec = 0;
1946                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1947                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
1948                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
1949                                 continue;
1950                         if (read(fileno(stdin), buf, 0) >= 0)
1951                                 read_from_terminal = 1;
1952                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1953 #else
1954                         if ((SSL_version(con) == DTLS1_VERSION) &&
1955                                 DTLSv1_get_timeout(con, &timeout))
1956                                 timeoutp = &timeout;
1957                         else
1958                                 timeoutp = NULL;
1959
1960                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
1961
1962                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1963                                 {
1964                                 BIO_printf(bio_err,"TIMEOUT occured\n");
1965                                 }
1966
1967                         if (i <= 0) continue;
1968                         if (FD_ISSET(fileno(stdin),&readfds))
1969                                 read_from_terminal = 1;
1970 #endif
1971                         if (FD_ISSET(s,&readfds))
1972                                 read_from_sslcon = 1;
1973                         }
1974                 if (read_from_terminal)
1975                         {
1976                         if (s_crlf)
1977                                 {
1978                                 int j, lf_num;
1979
1980                                 i=raw_read_stdin(buf, bufsize/2);
1981                                 lf_num = 0;
1982                                 /* both loops are skipped when i <= 0 */
1983                                 for (j = 0; j < i; j++)
1984                                         if (buf[j] == '\n')
1985                                                 lf_num++;
1986                                 for (j = i-1; j >= 0; j--)
1987                                         {
1988                                         buf[j+lf_num] = buf[j];
1989                                         if (buf[j] == '\n')
1990                                                 {
1991                                                 lf_num--;
1992                                                 i++;
1993                                                 buf[j+lf_num] = '\r';
1994                                                 }
1995                                         }
1996                                 assert(lf_num == 0);
1997                                 }
1998                         else
1999                                 i=raw_read_stdin(buf,bufsize);
2000                         if (!s_quiet)
2001                                 {
2002                                 if ((i <= 0) || (buf[0] == 'Q'))
2003                                         {
2004                                         BIO_printf(bio_s_out,"DONE\n");
2005                                         SHUTDOWN(s);
2006                                         close_accept_socket();
2007                                         ret= -11;
2008                                         goto err;
2009                                         }
2010                                 if ((i <= 0) || (buf[0] == 'q'))
2011                                         {
2012                                         BIO_printf(bio_s_out,"DONE\n");
2013                                         if (SSL_version(con) != DTLS1_VERSION)
2014                         SHUTDOWN(s);
2015         /*                              close_accept_socket();
2016                                         ret= -11;*/
2017                                         goto err;
2018                                         }
2019
2020                                 if ((buf[0] == 'r') &&
2021                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2022                                         {
2023                                         SSL_renegotiate(con);
2024                                         i=SSL_do_handshake(con);
2025                                         printf("SSL_do_handshake -> %d\n",i);
2026                                         i=0; /*13; */
2027                                         continue;
2028                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2029                                         }
2030                                 if ((buf[0] == 'R') &&
2031                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2032                                         {
2033                                         SSL_set_verify(con,
2034                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2035                                         SSL_renegotiate(con);
2036                                         i=SSL_do_handshake(con);
2037                                         printf("SSL_do_handshake -> %d\n",i);
2038                                         i=0; /* 13; */
2039                                         continue;
2040                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2041                                         }
2042                                 if (buf[0] == 'P')
2043                                         {
2044                                         static const char *str="Lets print some clear text\n";
2045                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2046                                         }
2047                                 if (buf[0] == 'S')
2048                                         {
2049                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2050                                         }
2051                                 }
2052 #ifdef CHARSET_EBCDIC
2053                         ebcdic2ascii(buf,buf,i);
2054 #endif
2055                         l=k=0;
2056                         for (;;)
2057                                 {
2058                                 /* should do a select for the write */
2059 #ifdef RENEG
2060 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2061 #endif
2062                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2063                                 switch (SSL_get_error(con,k))
2064                                         {
2065                                 case SSL_ERROR_NONE:
2066                                         break;
2067                                 case SSL_ERROR_WANT_WRITE:
2068                                 case SSL_ERROR_WANT_READ:
2069                                 case SSL_ERROR_WANT_X509_LOOKUP:
2070                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2071                                         break;
2072                                 case SSL_ERROR_SYSCALL:
2073                                 case SSL_ERROR_SSL:
2074                                         BIO_printf(bio_s_out,"ERROR\n");
2075                                         ERR_print_errors(bio_err);
2076                                         ret=1;
2077                                         goto err;
2078                                         /* break; */
2079                                 case SSL_ERROR_ZERO_RETURN:
2080                                         BIO_printf(bio_s_out,"DONE\n");
2081                                         ret=1;
2082                                         goto err;
2083                                         }
2084                                 l+=k;
2085                                 i-=k;
2086                                 if (i <= 0) break;
2087                                 }
2088                         }
2089                 if (read_from_sslcon)
2090                         {
2091                         if (!SSL_is_init_finished(con))
2092                                 {
2093                                 i=init_ssl_connection(con);
2094
2095                                 if (i < 0)
2096                                         {
2097                                         ret=0;
2098                                         goto err;
2099                                         }
2100                                 else if (i == 0)
2101                                         {
2102                                         ret=1;
2103                                         goto err;
2104                                         }
2105                                 }
2106                         else
2107                                 {
2108 again:
2109                                 i=SSL_read(con,(char *)buf,bufsize);
2110                                 switch (SSL_get_error(con,i))
2111                                         {
2112                                 case SSL_ERROR_NONE:
2113 #ifdef CHARSET_EBCDIC
2114                                         ascii2ebcdic(buf,buf,i);
2115 #endif
2116                                         raw_write_stdout(buf,
2117                                                 (unsigned int)i);
2118                                         if (SSL_pending(con)) goto again;
2119                                         break;
2120                                 case SSL_ERROR_WANT_WRITE:
2121                                 case SSL_ERROR_WANT_READ:
2122                                 case SSL_ERROR_WANT_X509_LOOKUP:
2123                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2124                                         break;
2125                                 case SSL_ERROR_SYSCALL:
2126                                 case SSL_ERROR_SSL:
2127                                         BIO_printf(bio_s_out,"ERROR\n");
2128                                         ERR_print_errors(bio_err);
2129                                         ret=1;
2130                                         goto err;
2131                                 case SSL_ERROR_ZERO_RETURN:
2132                                         BIO_printf(bio_s_out,"DONE\n");
2133                                         ret=1;
2134                                         goto err;
2135                                         }
2136                                 }
2137                         }
2138                 }
2139 err:
2140         if (con != NULL)
2141                 {
2142                 BIO_printf(bio_s_out,"shutting down SSL\n");
2143 #if 1
2144                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2145 #else
2146                 SSL_shutdown(con);
2147 #endif
2148                 SSL_free(con);
2149                 }
2150         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2151         if (buf != NULL)
2152                 {
2153                 OPENSSL_cleanse(buf,bufsize);
2154                 OPENSSL_free(buf);
2155                 }
2156         if (ret >= 0)
2157                 BIO_printf(bio_s_out,"ACCEPT\n");
2158         return(ret);
2159         }
2160
2161 static void close_accept_socket(void)
2162         {
2163         BIO_printf(bio_err,"shutdown accept socket\n");
2164         if (accept_socket >= 0)
2165                 {
2166                 SHUTDOWN2(accept_socket);
2167                 }
2168         }
2169
2170 static int init_ssl_connection(SSL *con)
2171         {
2172         int i;
2173         const char *str;
2174         X509 *peer;
2175         long verify_error;
2176         MS_STATIC char buf[BUFSIZ];
2177
2178         if ((i=SSL_accept(con)) <= 0)
2179                 {
2180                 if (BIO_sock_should_retry(i))
2181                         {
2182                         BIO_printf(bio_s_out,"DELAY\n");
2183                         return(1);
2184                         }
2185
2186                 BIO_printf(bio_err,"ERROR\n");
2187                 verify_error=SSL_get_verify_result(con);
2188                 if (verify_error != X509_V_OK)
2189                         {
2190                         BIO_printf(bio_err,"verify error:%s\n",
2191                                 X509_verify_cert_error_string(verify_error));
2192                         }
2193                 else
2194                         ERR_print_errors(bio_err);
2195                 return(0);
2196                 }
2197
2198         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2199
2200         peer=SSL_get_peer_certificate(con);
2201         if (peer != NULL)
2202                 {
2203                 BIO_printf(bio_s_out,"Client certificate\n");
2204                 PEM_write_bio_X509(bio_s_out,peer);
2205                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2206                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2207                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2208                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2209                 X509_free(peer);
2210                 }
2211
2212         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2213                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2214         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2215         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2216         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
2217         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2218                 TLS1_FLAGS_TLS_PADDING_BUG)
2219                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2220 #ifndef OPENSSL_NO_KRB5
2221         if (con->kssl_ctx->client_princ != NULL)
2222                 {
2223                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2224                         con->kssl_ctx->client_princ);
2225                 }
2226 #endif /* OPENSSL_NO_KRB5 */
2227         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2228                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2229         return(1);
2230         }
2231
2232 #ifndef OPENSSL_NO_DH
2233 static DH *load_dh_param(const char *dhfile)
2234         {
2235         DH *ret=NULL;
2236         BIO *bio;
2237
2238         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2239                 goto err;
2240         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2241 err:
2242         if (bio != NULL) BIO_free(bio);
2243         return(ret);
2244         }
2245 #endif
2246
2247 #if 0
2248 static int load_CA(SSL_CTX *ctx, char *file)
2249         {
2250         FILE *in;
2251         X509 *x=NULL;
2252
2253         if ((in=fopen(file,"r")) == NULL)
2254                 return(0);
2255
2256         for (;;)
2257                 {
2258                 if (PEM_read_X509(in,&x,NULL) == NULL)
2259                         break;
2260                 SSL_CTX_add_client_CA(ctx,x);
2261                 }
2262         if (x != NULL) X509_free(x);
2263         fclose(in);
2264         return(1);
2265         }
2266 #endif
2267
2268 static int www_body(char *hostname, int s, unsigned char *context)
2269         {
2270         char *buf=NULL;
2271         int ret=1;
2272         int i,j,k,dot;
2273         SSL *con;
2274         const SSL_CIPHER *c;
2275         BIO *io,*ssl_bio,*sbio;
2276
2277         buf=OPENSSL_malloc(bufsize);
2278         if (buf == NULL) return(0);
2279         io=BIO_new(BIO_f_buffer());
2280         ssl_bio=BIO_new(BIO_f_ssl());
2281         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2282
2283 #ifdef FIONBIO
2284         if (s_nbio)
2285                 {
2286                 unsigned long sl=1;
2287
2288                 if (!s_quiet)
2289                         BIO_printf(bio_err,"turning on non blocking io\n");
2290                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2291                         ERR_print_errors(bio_err);
2292                 }
2293 #endif
2294
2295         /* lets make the output buffer a reasonable size */
2296         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2297
2298         if ((con=SSL_new(ctx)) == NULL) goto err;
2299 #ifndef OPENSSL_NO_TLSEXT
2300                 if (s_tlsextdebug)
2301                         {
2302                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2303                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2304                         }
2305 #endif
2306 #ifndef OPENSSL_NO_KRB5
2307         if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2308                 {
2309                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2310                 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2311                 }
2312 #endif  /* OPENSSL_NO_KRB5 */
2313         if(context) SSL_set_session_id_context(con, context,
2314                                                strlen((char *)context));
2315
2316         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2317         if (s_nbio_test)
2318                 {
2319                 BIO *test;
2320
2321                 test=BIO_new(BIO_f_nbio_test());
2322                 sbio=BIO_push(test,sbio);
2323                 }
2324         SSL_set_bio(con,sbio,sbio);
2325         SSL_set_accept_state(con);
2326         /* SSL_set_fd(con,s); */
2327         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2328         BIO_push(io,ssl_bio);
2329 #ifdef CHARSET_EBCDIC
2330         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2331 #endif
2332
2333         if (s_debug)
2334                 {
2335                 con->debug=1;
2336                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2337                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2338                 }
2339         if (s_msg)
2340                 {
2341                 SSL_set_msg_callback(con, msg_cb);
2342                 SSL_set_msg_callback_arg(con, bio_s_out);
2343                 }
2344
2345         for (;;)
2346                 {
2347                 if (hack)
2348                         {
2349                         i=SSL_accept(con);
2350
2351                         switch (SSL_get_error(con,i))
2352                                 {
2353                         case SSL_ERROR_NONE:
2354                                 break;
2355                         case SSL_ERROR_WANT_WRITE:
2356                         case SSL_ERROR_WANT_READ:
2357                         case SSL_ERROR_WANT_X509_LOOKUP:
2358                                 continue;
2359                         case SSL_ERROR_SYSCALL:
2360                         case SSL_ERROR_SSL:
2361                         case SSL_ERROR_ZERO_RETURN:
2362                                 ret=1;
2363                                 goto err;
2364                                 /* break; */
2365                                 }
2366
2367                         SSL_renegotiate(con);
2368                         SSL_write(con,NULL,0);
2369                         }
2370
2371                 i=BIO_gets(io,buf,bufsize-1);
2372                 if (i < 0) /* error */
2373                         {
2374                         if (!BIO_should_retry(io))
2375                                 {
2376                                 if (!s_quiet)
2377                                         ERR_print_errors(bio_err);
2378                                 goto err;
2379                                 }
2380                         else
2381                                 {
2382                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2383 #if defined(OPENSSL_SYS_NETWARE)
2384             delay(1000);
2385 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2386                                 sleep(1);
2387 #endif
2388                                 continue;
2389                                 }
2390                         }
2391                 else if (i == 0) /* end of input */
2392                         {
2393                         ret=1;
2394                         goto end;
2395                         }
2396
2397                 /* else we have data */
2398                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2399                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2400                         {
2401                         char *p;
2402                         X509 *peer;
2403                         STACK_OF(SSL_CIPHER) *sk;
2404                         static const char *space="                          ";
2405
2406                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2407                         {
2408                         if (strncmp("GET /renegcert", buf, 14) == 0)
2409                                 SSL_set_verify(con,
2410                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2411                         i=SSL_renegotiate(con);
2412                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2413                         i=SSL_do_handshake(con);
2414                         if (i <= 0)
2415                                 {
2416                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2417                                 ERR_print_errors(bio_err);
2418                                 goto err;
2419                                 }
2420                         /* EVIL HACK! */
2421                         con->state = SSL_ST_ACCEPT;
2422                         i=SSL_do_handshake(con);
2423                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2424                         if (i <= 0)
2425                                 {
2426                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2427                                 ERR_print_errors(bio_err);
2428                                 goto err;
2429                                 }
2430                         }
2431
2432                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2433                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2434                         BIO_puts(io,"<pre>\n");
2435 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2436                         BIO_puts(io,"\n");
2437                         for (i=0; i<local_argc; i++)
2438                                 {
2439                                 BIO_puts(io,local_argv[i]);
2440                                 BIO_write(io," ",1);
2441                                 }
2442                         BIO_puts(io,"\n");
2443
2444                         BIO_printf(io,
2445                                 "Secure Renegotiation IS%s supported\n",
2446                                 SSL_get_secure_renegotiation_support(con) ?
2447                                                         "" : " NOT");
2448
2449                         /* The following is evil and should not really
2450                          * be done */
2451                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2452                         sk=SSL_get_ciphers(con);
2453                         j=sk_SSL_CIPHER_num(sk);
2454                         for (i=0; i<j; i++)
2455                                 {
2456                                 c=sk_SSL_CIPHER_value(sk,i);
2457                                 BIO_printf(io,"%-11s:%-25s",
2458                                         SSL_CIPHER_get_version(c),
2459                                         SSL_CIPHER_get_name(c));
2460                                 if ((((i+1)%2) == 0) && (i+1 != j))
2461                                         BIO_puts(io,"\n");
2462                                 }
2463                         BIO_puts(io,"\n");
2464                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2465                         if (p != NULL)
2466                                 {
2467                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2468                                 j=i=0;
2469                                 while (*p)
2470                                         {
2471                                         if (*p == ':')
2472                                                 {
2473                                                 BIO_write(io,space,26-j);
2474                                                 i++;
2475                                                 j=0;
2476                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2477                                                 }
2478                                         else
2479                                                 {
2480                                                 BIO_write(io,p,1);
2481                                                 j++;
2482                                                 }
2483                                         p++;
2484                                         }
2485                                 BIO_puts(io,"\n");
2486                                 }
2487                         BIO_printf(io,((con->hit)
2488                                 ?"---\nReused, "
2489                                 :"---\nNew, "));
2490                         c=SSL_get_current_cipher(con);
2491                         BIO_printf(io,"%s, Cipher is %s\n",
2492                                 SSL_CIPHER_get_version(c),
2493                                 SSL_CIPHER_get_name(c));
2494                         SSL_SESSION_print(io,SSL_get_session(con));
2495                         BIO_printf(io,"---\n");
2496                         print_stats(io,SSL_get_SSL_CTX(con));
2497                         BIO_printf(io,"---\n");
2498                         peer=SSL_get_peer_certificate(con);
2499                         if (peer != NULL)
2500                                 {
2501                                 BIO_printf(io,"Client certificate\n");
2502                                 X509_print(io,peer);
2503                                 PEM_write_bio_X509(io,peer);
2504                                 }
2505                         else
2506                                 BIO_puts(io,"no client certificate available\n");
2507                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2508                         break;
2509                         }
2510                 else if ((www == 2 || www == 3)
2511                          && (strncmp("GET /",buf,5) == 0))
2512                         {
2513                         BIO *file;
2514                         char *p,*e;
2515                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2516
2517                         /* skip the '/' */
2518                         p= &(buf[5]);
2519
2520                         dot = 1;
2521                         for (e=p; *e != '\0'; e++)
2522                                 {
2523                                 if (e[0] == ' ')
2524                                         break;
2525
2526                                 switch (dot)
2527                                         {
2528                                 case 1:
2529                                         dot = (e[0] == '.') ? 2 : 0;
2530                                         break;
2531                                 case 2:
2532                                         dot = (e[0] == '.') ? 3 : 0;
2533                                         break;
2534                                 case 3:
2535                                         dot = (e[0] == '/') ? -1 : 0;
2536                                         break;
2537                                         }
2538                                 if (dot == 0)
2539                                         dot = (e[0] == '/') ? 1 : 0;
2540                                 }
2541                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2542
2543                         if (*e == '\0')
2544                                 {
2545                                 BIO_puts(io,text);
2546                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2547                                 break;
2548                                 }
2549                         *e='\0';
2550
2551                         if (dot)
2552                                 {
2553                                 BIO_puts(io,text);
2554                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2555                                 break;
2556                                 }
2557
2558                         if (*p == '/')
2559                                 {
2560                                 BIO_puts(io,text);
2561                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2562                                 break;
2563                                 }
2564
2565 #if 0
2566                         /* append if a directory lookup */
2567                         if (e[-1] == '/')
2568                                 strcat(p,"index.html");
2569 #endif
2570
2571                         /* if a directory, do the index thang */
2572                         if (app_isdir(p)>0)
2573                                 {
2574 #if 0 /* must check buffer size */
2575                                 strcat(p,"/index.html");
2576 #else
2577                                 BIO_puts(io,text);
2578                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2579                                 break;
2580 #endif
2581                                 }
2582
2583                         if ((file=BIO_new_file(p,"r")) == NULL)
2584                                 {
2585                                 BIO_puts(io,text);
2586                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2587                                 ERR_print_errors(io);
2588                                 break;
2589                                 }
2590
2591                         if (!s_quiet)
2592                                 BIO_printf(bio_err,"FILE:%s\n",p);
2593
2594                         if (www == 2)
2595                                 {
2596                                 i=strlen(p);
2597                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2598                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2599                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2600                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2601                                 else
2602                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2603                                 }
2604                         /* send the file */
2605                         for (;;)
2606                                 {
2607                                 i=BIO_read(file,buf,bufsize);
2608                                 if (i <= 0) break;
2609
2610 #ifdef RENEG
2611                                 total_bytes+=i;
2612                                 fprintf(stderr,"%d\n",i);
2613                                 if (total_bytes > 3*1024)
2614                                         {
2615                                         total_bytes=0;
2616                                         fprintf(stderr,"RENEGOTIATE\n");
2617                                         SSL_renegotiate(con);
2618                                         }
2619 #endif
2620
2621                                 for (j=0; j<i; )
2622                                         {
2623 #ifdef RENEG
2624 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2625 #endif
2626                                         k=BIO_write(io,&(buf[j]),i-j);
2627                                         if (k <= 0)
2628                                                 {
2629                                                 if (!BIO_should_retry(io))
2630                                                         goto write_error;
2631                                                 else
2632                                                         {
2633                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2634                                                         }
2635                                                 }
2636                                         else
2637                                                 {
2638                                                 j+=k;
2639                                                 }
2640                                         }
2641                                 }
2642 write_error:
2643                         BIO_free(file);
2644                         break;
2645                         }
2646                 }
2647
2648         for (;;)
2649                 {
2650                 i=(int)BIO_flush(io);
2651                 if (i <= 0)
2652                         {
2653                         if (!BIO_should_retry(io))
2654                                 break;
2655                         }
2656                 else
2657                         break;
2658                 }
2659 end:
2660 #if 1
2661         /* make sure we re-use sessions */
2662         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2663 #else
2664         /* This kills performance */
2665 /*      SSL_shutdown(con); A shutdown gets sent in the
2666  *      BIO_free_all(io) procession */
2667 #endif
2668
2669 err:
2670
2671         if (ret >= 0)
2672                 BIO_printf(bio_s_out,"ACCEPT\n");
2673
2674         if (buf != NULL) OPENSSL_free(buf);
2675         if (io != NULL) BIO_free_all(io);
2676 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2677         return(ret);
2678         }
2679
2680 #ifndef OPENSSL_NO_RSA
2681 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2682         {
2683         BIGNUM *bn = NULL;
2684         static RSA *rsa_tmp=NULL;
2685
2686         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2687                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2688         if (!rsa_tmp && bn)
2689                 {
2690                 if (!s_quiet)
2691                         {
2692                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2693                         (void)BIO_flush(bio_err);
2694                         }
2695                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2696                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2697                         {
2698                         if(rsa_tmp) RSA_free(rsa_tmp);
2699                         rsa_tmp = NULL;
2700                         }
2701                 if (!s_quiet)
2702                         {
2703                         BIO_printf(bio_err,"\n");
2704                         (void)BIO_flush(bio_err);
2705                         }
2706                 BN_free(bn);
2707                 }
2708         return(rsa_tmp);
2709         }
2710 #endif
2711
2712 #define MAX_SESSION_ID_ATTEMPTS 10
2713 static int generate_session_id(const SSL *ssl, unsigned char *id,
2714                                 unsigned int *id_len)
2715         {
2716         unsigned int count = 0;
2717         do      {
2718                 RAND_pseudo_bytes(id, *id_len);
2719                 /* Prefix the session_id with the required prefix. NB: If our
2720                  * prefix is too long, clip it - but there will be worse effects
2721                  * anyway, eg. the server could only possibly create 1 session
2722                  * ID (ie. the prefix!) so all future session negotiations will
2723                  * fail due to conflicts. */
2724                 memcpy(id, session_id_prefix,
2725                         (strlen(session_id_prefix) < *id_len) ?
2726                         strlen(session_id_prefix) : *id_len);
2727                 }
2728         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2729                 (++count < MAX_SESSION_ID_ATTEMPTS));
2730         if(count >= MAX_SESSION_ID_ATTEMPTS)
2731                 return 0;
2732         return 1;
2733         }
2734
2735 /* By default s_server uses an in-memory cache which caches SSL_SESSION
2736  * structures without any serialisation. This hides some bugs which only
2737  * become apparent in deployed servers. By implementing a basic external
2738  * session cache some issues can be debugged using s_server.
2739  */
2740
2741 typedef struct simple_ssl_session_st
2742         {
2743         unsigned char *id;
2744         int idlen;
2745         unsigned char *der;
2746         int derlen;
2747         struct simple_ssl_session_st *next;
2748         } simple_ssl_session;
2749
2750 static simple_ssl_session *first = NULL;
2751
2752 static int add_session(SSL *ssl, SSL_SESSION *session)
2753         {
2754         simple_ssl_session *sess;
2755         unsigned char *p;
2756
2757         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
2758
2759         sess->idlen = session->session_id_length;
2760         sess->derlen = i2d_SSL_SESSION(session, NULL);
2761
2762         sess->id = BUF_memdup(session->session_id, sess->idlen);
2763
2764         sess->der = OPENSSL_malloc(sess->derlen);
2765         p = sess->der;
2766         i2d_SSL_SESSION(session, &p);
2767
2768         sess->next = first;
2769         first = sess;
2770         BIO_printf(bio_err, "New session added to external cache\n");
2771         return 0;
2772         }
2773
2774 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
2775                                         int *do_copy)
2776         {
2777         simple_ssl_session *sess;
2778         *do_copy = 0;
2779         for (sess = first; sess; sess = sess->next)
2780                 {
2781                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
2782                         {
2783                         const unsigned char *p = sess->der;
2784                         BIO_printf(bio_err, "Lookup session: cache hit\n");
2785                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
2786                         }
2787                 }
2788         BIO_printf(bio_err, "Lookup session: cache miss\n");
2789         return NULL;
2790         }
2791
2792 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
2793         {
2794         simple_ssl_session *sess, *prev = NULL;
2795         unsigned char *id = session->session_id;
2796         int idlen = session->session_id_length;
2797         for (sess = first; sess; sess = sess->next)
2798                 {
2799                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
2800                         {
2801                         if(prev)
2802                                 prev->next = sess->next;
2803                         else
2804                                 first = sess->next;
2805                         OPENSSL_free(sess->id);
2806                         OPENSSL_free(sess->der);
2807                         OPENSSL_free(sess);
2808                         return;
2809                         }
2810                 prev = sess;
2811                 }
2812         }
2813
2814 static void init_session_cache_ctx(SSL_CTX *sctx)
2815         {
2816         SSL_CTX_set_session_cache_mode(sctx,
2817                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
2818         SSL_CTX_sess_set_new_cb(sctx, add_session);
2819         SSL_CTX_sess_set_get_cb(sctx, get_session);
2820         SSL_CTX_sess_set_remove_cb(sctx, del_session);
2821         }
2822
2823 static void free_sessions(void)
2824         {
2825         simple_ssl_session *sess, *tsess;
2826         for (sess = first; sess;)
2827                 {
2828                 OPENSSL_free(sess->id);
2829                 OPENSSL_free(sess->der);
2830                 tsess = sess;
2831                 sess = sess->next;
2832                 OPENSSL_free(tsess);
2833                 }
2834         first = NULL;
2835         }
2836
2837
2838
2839
2840
2841
2842
2843
2844
2845