apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, unsigned char *context);
 208 static int www_body(char *hostname, int s, unsigned char *context);
 209 static void close_accept_socket(void );
 210 static void sv_usage(void);
 211 static int init_ssl_connection(SSL *s);
 212 static void print_stats(BIO *bp,SSL_CTX *ctx);
 213 static int generate_session_id(const SSL *ssl, unsigned char *id,
 214                                 unsigned int *id_len);
 215 #ifndef OPENSSL_NO_DH
 216 static DH *load_dh_param(const char *dhfile);
 217 static DH *get_dh512(void);
 218 #endif
 219
 220 #ifdef MONOLITH
 221 static void s_server_init(void);
 222 #endif
 223
 224 #ifndef OPENSSL_NO_DH
 225 static unsigned char dh512_p[]={
 226         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 227         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 228         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 229         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 230         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 231         0x47,0x74,0xE8,0x33,
 232         };
 233 static unsigned char dh512_g[]={
 234         0x02,
 235         };
 236
 237 static DH *get_dh512(void)
 238         {
 239         DH *dh=NULL;
 240
 241         if ((dh=DH_new()) == NULL) return(NULL);
 242         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 243         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 244         if ((dh->p == NULL) || (dh->g == NULL))
 245                 return(NULL);
 246         return(dh);
 247         }
 248 #endif
 249
 250
 251 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 252
 253 #undef BUFSIZZ
 254 #define BUFSIZZ 16*1024
 255 static int bufsize=BUFSIZZ;
 256 static int accept_socket= -1;
 257
 258 #define TEST_CERT       "server.pem"
 259 #ifndef OPENSSL_NO_TLSEXT
 260 #define TEST_CERT2      "server2.pem"
 261 #endif
 262 #undef PROG
 263 #define PROG            s_server_main
 264
 265 extern int verify_depth, verify_return_error;
 266
 267 static char *cipher=NULL;
 268 static int s_server_verify=SSL_VERIFY_NONE;
 269 static int s_server_session_id_context = 1; /* anything will do */
 270 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 271 #ifndef OPENSSL_NO_TLSEXT
 272 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 273 #endif
 274 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 275 #ifdef FIONBIO
 276 static int s_nbio=0;
 277 #endif
 278 static int s_nbio_test=0;
 279 int s_crlf=0;
 280 static SSL_CTX *ctx=NULL;
 281 #ifndef OPENSSL_NO_TLSEXT
 282 static SSL_CTX *ctx2=NULL;
 283 #endif
 284 static int www=0;
 285
 286 static BIO *bio_s_out=NULL;
 287 static int s_debug=0;
 288 #ifndef OPENSSL_NO_TLSEXT
 289 static int s_tlsextdebug=0;
 290 static int s_tlsextstatus=0;
 291 static int cert_status_cb(SSL *s, void *arg);
 292 #endif
 293 static int s_msg=0;
 294 static int s_quiet=0;
 295
 296 static int hack=0;
 297 #ifndef OPENSSL_NO_ENGINE
 298 static char *engine_id=NULL;
 299 #endif
 300 static const char *session_id_prefix=NULL;
 301
 302 static int enable_timeouts = 0;
 303 static long socket_mtu;
 304 #ifndef OPENSSL_NO_DTLS1
 305 static int cert_chain = 0;
 306 #endif
 307
 308 #ifndef OPENSSL_NO_PSK
 309 static char *psk_identity="Client_identity";
 310 char *psk_key=NULL; /* by default PSK is not used */
 311
 312 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 313         unsigned char *psk, unsigned int max_psk_len)
 314         {
 315         unsigned int psk_len = 0;
 316         int ret;
 317         BIGNUM *bn = NULL;
 318
 319         if (s_debug)
 320                 BIO_printf(bio_s_out,"psk_server_cb\n");
 321         if (!identity)
 322                 {
 323                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 324                 goto out_err;
 325                 }
 326         if (s_debug)
 327                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 328                         identity ? (int)strlen(identity) : 0, identity);
 329
 330         /* here we could lookup the given identity e.g. from a database */
 331         if (strcmp(identity, psk_identity) != 0)
 332                 {
 333                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 334                            " (got '%s' expected '%s')\n", identity,
 335                            psk_identity);
 336                 goto out_err;
 337                 }
 338         if (s_debug)
 339                 BIO_printf(bio_s_out, "PSK client identity found\n");
 340
 341         /* convert the PSK key to binary */
 342         ret = BN_hex2bn(&bn, psk_key);
 343         if (!ret)
 344                 {
 345                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 346                 if (bn)
 347                         BN_free(bn);
 348                 return 0;
 349                 }
 350         if (BN_num_bytes(bn) > (int)max_psk_len)
 351                 {
 352                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 353                         max_psk_len, BN_num_bytes(bn));
 354                 BN_free(bn);
 355                 return 0;
 356                 }
 357
 358         ret = BN_bn2bin(bn, psk);
 359         BN_free(bn);
 360
 361         if (ret < 0)
 362                 goto out_err;
 363         psk_len = (unsigned int)ret;
 364
 365         if (s_debug)
 366                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 367         return psk_len;
 368  out_err:
 369         if (s_debug)
 370                 BIO_printf(bio_err, "Error in PSK server callback\n");
 371         return 0;
 372         }
 373 #endif
 374
 375 #ifndef OPENSSL_NO_SRP
 376 /* This is a context that we pass to callbacks */
 377 typedef struct srpsrvparm_st
 378         {
 379         int verbose;
 380         char *login;
 381         SRP_VBASE *vb;
 382         } srpsrvparm;
 383
 384 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 385         {
 386         srpsrvparm *p = (srpsrvparm *) arg;
 387         SRP_user_pwd *user;
 388
 389         p->login = BUF_strdup(SSL_get_srp_username(s));
 390         BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 391
 392         user = SRP_VBASE_get_by_user(p->vb, p->login);
 393         if (user == NULL)
 394                 {
 395                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 396                 return SSL3_AL_FATAL;
 397                 }
 398         if (SSL_set_srp_server_param(s, user->N, user->g, user->s, user->v,
 399                                      user->info) < 0)
 400                 {
 401                 *ad = SSL_AD_INTERNAL_ERROR;
 402                 return SSL3_AL_FATAL;
 403                 }
 404         return SSL_ERROR_NONE;
 405         }
 406
 407 #endif
 408
 409 #ifdef MONOLITH
 410 static void s_server_init(void)
 411         {
 412         accept_socket=-1;
 413         cipher=NULL;
 414         s_server_verify=SSL_VERIFY_NONE;
 415         s_dcert_file=NULL;
 416         s_dkey_file=NULL;
 417         s_cert_file=TEST_CERT;
 418         s_key_file=NULL;
 419 #ifndef OPENSSL_NO_TLSEXT
 420         s_cert_file2=TEST_CERT2;
 421         s_key_file2=NULL;
 422         ctx2=NULL;
 423 #endif
 424 #ifdef FIONBIO
 425         s_nbio=0;
 426 #endif
 427         s_nbio_test=0;
 428         ctx=NULL;
 429         www=0;
 430
 431         bio_s_out=NULL;
 432         s_debug=0;
 433         s_msg=0;
 434         s_quiet=0;
 435         hack=0;
 436 #ifndef OPENSSL_NO_ENGINE
 437         engine_id=NULL;
 438 #endif
 439         }
 440 #endif
 441
 442 static void sv_usage(void)
 443         {
 444         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 445         BIO_printf(bio_err,"\n");
 446         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 447         BIO_printf(bio_err," -context arg  - set session ID context\n");
 448         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 449         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 450         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 451         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 452         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 453                            "                 The CRL(s) are appended to the certificate file\n");
 454         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 455                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 456                            "                 the certificate file.\n");
 457         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 458         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 459         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 460         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 461         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 462         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 463         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 464         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 465         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 466         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 467         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 468         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 469 #ifndef OPENSSL_NO_ECDH
 470         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 471                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 472                            "                 (default is nistp256).\n");
 473 #endif
 474 #ifdef FIONBIO
 475         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 476 #endif
 477         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 478         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 479         BIO_printf(bio_err," -debug        - Print more output\n");
 480         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 481         BIO_printf(bio_err," -state        - Print the SSL states\n");
 482         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 483         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 484         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 485         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 486         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 487         BIO_printf(bio_err," -quiet        - No server output\n");
 488         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 489 #ifndef OPENSSL_NO_PSK
 490         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 491         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 492 # ifndef OPENSSL_NO_JPAKE
 493         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 494 # endif
 495 #endif
 496 #ifndef OPENSSL_NO_SRP
 497         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 498         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 499 #endif
 500         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 501         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 502         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1_1\n");
 503         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 504         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 505         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 506         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 507         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 508         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 509         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 510         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 511         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 512 #ifndef OPENSSL_NO_DH
 513         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 514 #endif
 515 #ifndef OPENSSL_NO_ECDH
 516         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 517 #endif
 518         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 519         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 520         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 521         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 522         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 523 #ifndef OPENSSL_NO_ENGINE
 524         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 525 #endif
 526         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 527         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 528 #ifndef OPENSSL_NO_TLSEXT
 529         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 530         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 531         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 532         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 533         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 534         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 535         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 536         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 537         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 538 #endif
 539         }
 540
 541 static int local_argc=0;
 542 static char **local_argv;
 543
 544 #ifdef CHARSET_EBCDIC
 545 static int ebcdic_new(BIO *bi);
 546 static int ebcdic_free(BIO *a);
 547 static int ebcdic_read(BIO *b, char *out, int outl);
 548 static int ebcdic_write(BIO *b, const char *in, int inl);
 549 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 550 static int ebcdic_gets(BIO *bp, char *buf, int size);
 551 static int ebcdic_puts(BIO *bp, const char *str);
 552
 553 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 554 static BIO_METHOD methods_ebcdic=
 555         {
 556         BIO_TYPE_EBCDIC_FILTER,
 557         "EBCDIC/ASCII filter",
 558         ebcdic_write,
 559         ebcdic_read,
 560         ebcdic_puts,
 561         ebcdic_gets,
 562         ebcdic_ctrl,
 563         ebcdic_new,
 564         ebcdic_free,
 565         };
 566
 567 typedef struct
 568 {
 569         size_t  alloced;
 570         char    buff[1];
 571 } EBCDIC_OUTBUFF;
 572
 573 BIO_METHOD *BIO_f_ebcdic_filter()
 574 {
 575         return(&methods_ebcdic);
 576 }
 577
 578 static int ebcdic_new(BIO *bi)
 579 {
 580         EBCDIC_OUTBUFF *wbuf;
 581
 582         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 583         wbuf->alloced = 1024;
 584         wbuf->buff[0] = '\0';
 585
 586         bi->ptr=(char *)wbuf;
 587         bi->init=1;
 588         bi->flags=0;
 589         return(1);
 590 }
 591
 592 static int ebcdic_free(BIO *a)
 593 {
 594         if (a == NULL) return(0);
 595         if (a->ptr != NULL)
 596                 OPENSSL_free(a->ptr);
 597         a->ptr=NULL;
 598         a->init=0;
 599         a->flags=0;
 600         return(1);
 601 }
 602
 603 static int ebcdic_read(BIO *b, char *out, int outl)
 604 {
 605         int ret=0;
 606
 607         if (out == NULL || outl == 0) return(0);
 608         if (b->next_bio == NULL) return(0);
 609
 610         ret=BIO_read(b->next_bio,out,outl);
 611         if (ret > 0)
 612                 ascii2ebcdic(out,out,ret);
 613         return(ret);
 614 }
 615
 616 static int ebcdic_write(BIO *b, const char *in, int inl)
 617 {
 618         EBCDIC_OUTBUFF *wbuf;
 619         int ret=0;
 620         int num;
 621         unsigned char n;
 622
 623         if ((in == NULL) || (inl <= 0)) return(0);
 624         if (b->next_bio == NULL) return(0);
 625
 626         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 627
 628         if (inl > (num = wbuf->alloced))
 629         {
 630                 num = num + num;  /* double the size */
 631                 if (num < inl)
 632                         num = inl;
 633                 OPENSSL_free(wbuf);
 634                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 635
 636                 wbuf->alloced = num;
 637                 wbuf->buff[0] = '\0';
 638
 639                 b->ptr=(char *)wbuf;
 640         }
 641
 642         ebcdic2ascii(wbuf->buff, in, inl);
 643
 644         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 645
 646         return(ret);
 647 }
 648
 649 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 650 {
 651         long ret;
 652
 653         if (b->next_bio == NULL) return(0);
 654         switch (cmd)
 655         {
 656         case BIO_CTRL_DUP:
 657                 ret=0L;
 658                 break;
 659         default:
 660                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 661                 break;
 662         }
 663         return(ret);
 664 }
 665
 666 static int ebcdic_gets(BIO *bp, char *buf, int size)
 667 {
 668         int i, ret=0;
 669         if (bp->next_bio == NULL) return(0);
 670 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 671         for (i=0; i<size-1; ++i)
 672         {
 673                 ret = ebcdic_read(bp,&buf[i],1);
 674                 if (ret <= 0)
 675                         break;
 676                 else if (buf[i] == '\n')
 677                 {
 678                         ++i;
 679                         break;
 680                 }
 681         }
 682         if (i < size)
 683                 buf[i] = '\0';
 684         return (ret < 0 && i == 0) ? ret : i;
 685 }
 686
 687 static int ebcdic_puts(BIO *bp, const char *str)
 688 {
 689         if (bp->next_bio == NULL) return(0);
 690         return ebcdic_write(bp, str, strlen(str));
 691 }
 692 #endif
 693
 694 #ifndef OPENSSL_NO_TLSEXT
 695
 696 /* This is a context that we pass to callbacks */
 697 typedef struct tlsextctx_st {
 698    char * servername;
 699    BIO * biodebug;
 700    int extension_error;
 701 } tlsextctx;
 702
 703
 704 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 705         {
 706         tlsextctx * p = (tlsextctx *) arg;
 707         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 708         if (servername && p->biodebug)
 709                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 710
 711         if (!p->servername)
 712                 return SSL_TLSEXT_ERR_NOACK;
 713
 714         if (servername)
 715                 {
 716                 if (strcmp(servername,p->servername))
 717                         return p->extension_error;
 718                 if (ctx2)
 719                         {
 720                         BIO_printf(p->biodebug,"Switching server context.\n");
 721                         SSL_set_SSL_CTX(s,ctx2);
 722                         }
 723                 }
 724         return SSL_TLSEXT_ERR_OK;
 725 }
 726
 727 /* Structure passed to cert status callback */
 728
 729 typedef struct tlsextstatusctx_st {
 730    /* Default responder to use */
 731    char *host, *path, *port;
 732    int use_ssl;
 733    int timeout;
 734    BIO *err;
 735    int verbose;
 736 } tlsextstatusctx;
 737
 738 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 739
 740 /* Certificate Status callback. This is called when a client includes a
 741  * certificate status request extension.
 742  *
 743  * This is a simplified version. It examines certificates each time and
 744  * makes one OCSP responder query for each request.
 745  *
 746  * A full version would store details such as the OCSP certificate IDs and
 747  * minimise the number of OCSP responses by caching them until they were
 748  * considered "expired".
 749  */
 750
 751 static int cert_status_cb(SSL *s, void *arg)
 752         {
 753         tlsextstatusctx *srctx = arg;
 754         BIO *err = srctx->err;
 755         char *host, *port, *path;
 756         int use_ssl;
 757         unsigned char *rspder = NULL;
 758         int rspderlen;
 759         STACK_OF(OPENSSL_STRING) *aia = NULL;
 760         X509 *x = NULL;
 761         X509_STORE_CTX inctx;
 762         X509_OBJECT obj;
 763         OCSP_REQUEST *req = NULL;
 764         OCSP_RESPONSE *resp = NULL;
 765         OCSP_CERTID *id = NULL;
 766         STACK_OF(X509_EXTENSION) *exts;
 767         int ret = SSL_TLSEXT_ERR_NOACK;
 768         int i;
 769 #if 0
 770 STACK_OF(OCSP_RESPID) *ids;
 771 SSL_get_tlsext_status_ids(s, &ids);
 772 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 773 #endif
 774         if (srctx->verbose)
 775                 BIO_puts(err, "cert_status: callback called\n");
 776         /* Build up OCSP query from server certificate */
 777         x = SSL_get_certificate(s);
 778         aia = X509_get1_ocsp(x);
 779         if (aia)
 780                 {
 781                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 782                         &host, &port, &path, &use_ssl))
 783                         {
 784                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 785                         goto err;
 786                         }
 787                 if (srctx->verbose)
 788                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 789                                         sk_OPENSSL_STRING_value(aia, 0));
 790                 }
 791         else
 792                 {
 793                 if (!srctx->host)
 794                         {
 795                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 796                         goto done;
 797                         }
 798                 host = srctx->host;
 799                 path = srctx->path;
 800                 port = srctx->port;
 801                 use_ssl = srctx->use_ssl;
 802                 }
 803
 804         if (!X509_STORE_CTX_init(&inctx,
 805                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 806                                 NULL, NULL))
 807                 goto err;
 808         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 809                                 X509_get_issuer_name(x),&obj) <= 0)
 810                 {
 811                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 812                 X509_STORE_CTX_cleanup(&inctx);
 813                 goto done;
 814                 }
 815         req = OCSP_REQUEST_new();
 816         if (!req)
 817                 goto err;
 818         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 819         X509_free(obj.data.x509);
 820         X509_STORE_CTX_cleanup(&inctx);
 821         if (!id)
 822                 goto err;
 823         if (!OCSP_request_add0_id(req, id))
 824                 goto err;
 825         id = NULL;
 826         /* Add any extensions to the request */
 827         SSL_get_tlsext_status_exts(s, &exts);
 828         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 829                 {
 830                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 831                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 832                         goto err;
 833                 }
 834         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 835                                         srctx->timeout);
 836         if (!resp)
 837                 {
 838                 BIO_puts(err, "cert_status: error querying responder\n");
 839                 goto done;
 840                 }
 841         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 842         if (rspderlen <= 0)
 843                 goto err;
 844         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 845         if (srctx->verbose)
 846                 {
 847                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 848                 OCSP_RESPONSE_print(err, resp, 2);
 849                 }
 850         ret = SSL_TLSEXT_ERR_OK;
 851         done:
 852         if (ret != SSL_TLSEXT_ERR_OK)
 853                 ERR_print_errors(err);
 854         if (aia)
 855                 {
 856                 OPENSSL_free(host);
 857                 OPENSSL_free(path);
 858                 OPENSSL_free(port);
 859                 X509_email_free(aia);
 860                 }
 861         if (id)
 862                 OCSP_CERTID_free(id);
 863         if (req)
 864                 OCSP_REQUEST_free(req);
 865         if (resp)
 866                 OCSP_RESPONSE_free(resp);
 867         return ret;
 868         err:
 869         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 870         goto done;
 871         }
 872 #endif
 873
 874 int MAIN(int, char **);
 875
 876 #ifndef OPENSSL_NO_JPAKE
 877 static char *jpake_secret = NULL;
 878 #endif
 879
 880 int MAIN(int argc, char *argv[])
 881         {
 882         X509_VERIFY_PARAM *vpm = NULL;
 883         int badarg = 0;
 884         short port=PORT;
 885         char *CApath=NULL,*CAfile=NULL;
 886         unsigned char *context = NULL;
 887         char *dhfile = NULL;
 888 #ifndef OPENSSL_NO_ECDH
 889         char *named_curve = NULL;
 890 #endif
 891         int badop=0,bugs=0;
 892         int ret=1;
 893         int off=0;
 894         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 895         int state=0;
 896         const SSL_METHOD *meth=NULL;
 897         int socket_type=SOCK_STREAM;
 898         ENGINE *e=NULL;
 899         char *inrand=NULL;
 900         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 901         char *passarg = NULL, *pass = NULL;
 902         char *dpassarg = NULL, *dpass = NULL;
 903         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 904         X509 *s_cert = NULL, *s_dcert = NULL;
 905         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 906         int no_cache = 0;
 907 #ifndef OPENSSL_NO_TLSEXT
 908         EVP_PKEY *s_key2 = NULL;
 909         X509 *s_cert2 = NULL;
 910 #endif
 911 #ifndef OPENSSL_NO_TLSEXT
 912         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 913 #endif
 914 #ifndef OPENSSL_NO_PSK
 915         /* by default do not send a PSK identity hint */
 916         static char *psk_identity_hint=NULL;
 917 #endif
 918 #ifndef OPENSSL_NO_SRP
 919         char *srpuserseed = NULL;
 920         char *srp_verifier_file = NULL;
 921         srpsrvparm p;
 922 #endif
 923 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 924         meth=SSLv23_server_method();
 925 #elif !defined(OPENSSL_NO_SSL3)
 926         meth=SSLv3_server_method();
 927 #elif !defined(OPENSSL_NO_SSL2)
 928         meth=SSLv2_server_method();
 929 #elif !defined(OPENSSL_NO_TLS1)
 930         meth=TLSv1_server_method();
 931 #else
 932   /*  #error no SSL version enabled */
 933 #endif
 934
 935         local_argc=argc;
 936         local_argv=argv;
 937
 938         apps_startup();
 939 #ifdef MONOLITH
 940         s_server_init();
 941 #endif
 942
 943         if (bio_err == NULL)
 944                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 945
 946         if (!load_config(bio_err, NULL))
 947                 goto end;
 948
 949         verify_depth=0;
 950 #ifdef FIONBIO
 951         s_nbio=0;
 952 #endif
 953         s_nbio_test=0;
 954
 955         argc--;
 956         argv++;
 957
 958         while (argc >= 1)
 959                 {
 960                 if      ((strcmp(*argv,"-port") == 0) ||
 961                          (strcmp(*argv,"-accept") == 0))
 962                         {
 963                         if (--argc < 1) goto bad;
 964                         if (!extract_port(*(++argv),&port))
 965                                 goto bad;
 966                         }
 967                 else if (strcmp(*argv,"-verify") == 0)
 968                         {
 969                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 970                         if (--argc < 1) goto bad;
 971                         verify_depth=atoi(*(++argv));
 972                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 973                         }
 974                 else if (strcmp(*argv,"-Verify") == 0)
 975                         {
 976                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 977                                 SSL_VERIFY_CLIENT_ONCE;
 978                         if (--argc < 1) goto bad;
 979                         verify_depth=atoi(*(++argv));
 980                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 981                         }
 982                 else if (strcmp(*argv,"-context") == 0)
 983                         {
 984                         if (--argc < 1) goto bad;
 985                         context= (unsigned char *)*(++argv);
 986                         }
 987                 else if (strcmp(*argv,"-cert") == 0)
 988                         {
 989                         if (--argc < 1) goto bad;
 990                         s_cert_file= *(++argv);
 991                         }
 992                 else if (strcmp(*argv,"-certform") == 0)
 993                         {
 994                         if (--argc < 1) goto bad;
 995                         s_cert_format = str2fmt(*(++argv));
 996                         }
 997                 else if (strcmp(*argv,"-key") == 0)
 998                         {
 999                         if (--argc < 1) goto bad;
1000                         s_key_file= *(++argv);
1001                         }
1002                 else if (strcmp(*argv,"-keyform") == 0)
1003                         {
1004                         if (--argc < 1) goto bad;
1005                         s_key_format = str2fmt(*(++argv));
1006                         }
1007                 else if (strcmp(*argv,"-pass") == 0)
1008                         {
1009                         if (--argc < 1) goto bad;
1010                         passarg = *(++argv);
1011                         }
1012                 else if (strcmp(*argv,"-dhparam") == 0)
1013                         {
1014                         if (--argc < 1) goto bad;
1015                         dhfile = *(++argv);
1016                         }
1017 #ifndef OPENSSL_NO_ECDH
1018                 else if (strcmp(*argv,"-named_curve") == 0)
1019                         {
1020                         if (--argc < 1) goto bad;
1021                         named_curve = *(++argv);
1022                         }
1023 #endif
1024                 else if (strcmp(*argv,"-dcertform") == 0)
1025                         {
1026                         if (--argc < 1) goto bad;
1027                         s_dcert_format = str2fmt(*(++argv));
1028                         }
1029                 else if (strcmp(*argv,"-dcert") == 0)
1030                         {
1031                         if (--argc < 1) goto bad;
1032                         s_dcert_file= *(++argv);
1033                         }
1034                 else if (strcmp(*argv,"-dkeyform") == 0)
1035                         {
1036                         if (--argc < 1) goto bad;
1037                         s_dkey_format = str2fmt(*(++argv));
1038                         }
1039                 else if (strcmp(*argv,"-dpass") == 0)
1040                         {
1041                         if (--argc < 1) goto bad;
1042                         dpassarg = *(++argv);
1043                         }
1044                 else if (strcmp(*argv,"-dkey") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         s_dkey_file= *(++argv);
1048                         }
1049                 else if (strcmp(*argv,"-nocert") == 0)
1050                         {
1051                         nocert=1;
1052                         }
1053                 else if (strcmp(*argv,"-CApath") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         CApath= *(++argv);
1057                         }
1058                 else if (strcmp(*argv,"-no_cache") == 0)
1059                         no_cache = 1;
1060                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1061                         {
1062                         if (badarg)
1063                                 goto bad;
1064                         continue;
1065                         }
1066                 else if (strcmp(*argv,"-verify_return_error") == 0)
1067                         verify_return_error = 1;
1068                 else if (strcmp(*argv,"-serverpref") == 0)
1069                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1070                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1071                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1072                 else if (strcmp(*argv,"-cipher") == 0)
1073                         {
1074                         if (--argc < 1) goto bad;
1075                         cipher= *(++argv);
1076                         }
1077                 else if (strcmp(*argv,"-CAfile") == 0)
1078                         {
1079                         if (--argc < 1) goto bad;
1080                         CAfile= *(++argv);
1081                         }
1082 #ifdef FIONBIO
1083                 else if (strcmp(*argv,"-nbio") == 0)
1084                         { s_nbio=1; }
1085 #endif
1086                 else if (strcmp(*argv,"-nbio_test") == 0)
1087                         {
1088 #ifdef FIONBIO
1089                         s_nbio=1;
1090 #endif
1091                         s_nbio_test=1;
1092                         }
1093                 else if (strcmp(*argv,"-debug") == 0)
1094                         { s_debug=1; }
1095 #ifndef OPENSSL_NO_TLSEXT
1096                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1097                         s_tlsextdebug=1;
1098                 else if (strcmp(*argv,"-status") == 0)
1099                         s_tlsextstatus=1;
1100                 else if (strcmp(*argv,"-status_verbose") == 0)
1101                         {
1102                         s_tlsextstatus=1;
1103                         tlscstatp.verbose = 1;
1104                         }
1105                 else if (!strcmp(*argv, "-status_timeout"))
1106                         {
1107                         s_tlsextstatus=1;
1108                         if (--argc < 1) goto bad;
1109                         tlscstatp.timeout = atoi(*(++argv));
1110                         }
1111                 else if (!strcmp(*argv, "-status_url"))
1112                         {
1113                         s_tlsextstatus=1;
1114                         if (--argc < 1) goto bad;
1115                         if (!OCSP_parse_url(*(++argv),
1116                                         &tlscstatp.host,
1117                                         &tlscstatp.port,
1118                                         &tlscstatp.path,
1119                                         &tlscstatp.use_ssl))
1120                                 {
1121                                 BIO_printf(bio_err, "Error parsing URL\n");
1122                                 goto bad;
1123                                 }
1124                         }
1125 #endif
1126                 else if (strcmp(*argv,"-msg") == 0)
1127                         { s_msg=1; }
1128                 else if (strcmp(*argv,"-hack") == 0)
1129                         { hack=1; }
1130                 else if (strcmp(*argv,"-state") == 0)
1131                         { state=1; }
1132                 else if (strcmp(*argv,"-crlf") == 0)
1133                         { s_crlf=1; }
1134                 else if (strcmp(*argv,"-quiet") == 0)
1135                         { s_quiet=1; }
1136                 else if (strcmp(*argv,"-bugs") == 0)
1137                         { bugs=1; }
1138                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1139                         { no_tmp_rsa=1; }
1140                 else if (strcmp(*argv,"-no_dhe") == 0)
1141                         { no_dhe=1; }
1142                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1143                         { no_ecdhe=1; }
1144 #ifndef OPENSSL_NO_PSK
1145                 else if (strcmp(*argv,"-psk_hint") == 0)
1146                         {
1147                         if (--argc < 1) goto bad;
1148                         psk_identity_hint= *(++argv);
1149                         }
1150                 else if (strcmp(*argv,"-psk") == 0)
1151                         {
1152                         size_t i;
1153
1154                         if (--argc < 1) goto bad;
1155                         psk_key=*(++argv);
1156                         for (i=0; i<strlen(psk_key); i++)
1157                                 {
1158                                 if (isxdigit((int)psk_key[i]))
1159                                         continue;
1160                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1161                                 goto bad;
1162                                 }
1163                         }
1164 #endif
1165 #ifndef OPENSSL_NO_SRP
1166                 else if (strcmp(*argv, "-srpvfile") == 0)
1167                         {
1168                         if (--argc < 1) goto bad;
1169                         srp_verifier_file = *(++argv);
1170                         meth=TLSv1_server_method();
1171                         }
1172                 else if (strcmp(*argv, "-srpuserseed") == 0)
1173                         {
1174                         if (--argc < 1) goto bad;
1175                         srpuserseed = *(++argv);
1176                         meth=TLSv1_server_method();
1177                         }
1178 #endif
1179                 else if (strcmp(*argv,"-www") == 0)
1180                         { www=1; }
1181                 else if (strcmp(*argv,"-WWW") == 0)
1182                         { www=2; }
1183                 else if (strcmp(*argv,"-HTTP") == 0)
1184                         { www=3; }
1185                 else if (strcmp(*argv,"-no_ssl2") == 0)
1186                         { off|=SSL_OP_NO_SSLv2; }
1187                 else if (strcmp(*argv,"-no_ssl3") == 0)
1188                         { off|=SSL_OP_NO_SSLv3; }
1189                 else if (strcmp(*argv,"-no_tls1") == 0)
1190                         { off|=SSL_OP_NO_TLSv1; }
1191                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1192                         { off|=SSL_OP_NO_TLSv1_1; }
1193                 else if (strcmp(*argv,"-no_comp") == 0)
1194                         { off|=SSL_OP_NO_COMPRESSION; }
1195 #ifndef OPENSSL_NO_TLSEXT
1196                 else if (strcmp(*argv,"-no_ticket") == 0)
1197                         { off|=SSL_OP_NO_TICKET; }
1198 #endif
1199 #ifndef OPENSSL_NO_SSL2
1200                 else if (strcmp(*argv,"-ssl2") == 0)
1201                         { meth=SSLv2_server_method(); }
1202 #endif
1203 #ifndef OPENSSL_NO_SSL3
1204                 else if (strcmp(*argv,"-ssl3") == 0)
1205                         { meth=SSLv3_server_method(); }
1206 #endif
1207 #ifndef OPENSSL_NO_TLS1
1208                 else if (strcmp(*argv,"-tls1") == 0)
1209                         { meth=TLSv1_server_method(); }
1210                 else if (strcmp(*argv,"-tls1_1") == 0)
1211                         { meth=TLSv1_1_server_method(); }
1212 #endif
1213 #ifndef OPENSSL_NO_DTLS1
1214                 else if (strcmp(*argv,"-dtls1") == 0)
1215                         {
1216                         meth=DTLSv1_server_method();
1217                         socket_type = SOCK_DGRAM;
1218                         }
1219                 else if (strcmp(*argv,"-timeout") == 0)
1220                         enable_timeouts = 1;
1221                 else if (strcmp(*argv,"-mtu") == 0)
1222                         {
1223                         if (--argc < 1) goto bad;
1224                         socket_mtu = atol(*(++argv));
1225                         }
1226                 else if (strcmp(*argv, "-chain") == 0)
1227                         cert_chain = 1;
1228 #endif
1229                 else if (strcmp(*argv, "-id_prefix") == 0)
1230                         {
1231                         if (--argc < 1) goto bad;
1232                         session_id_prefix = *(++argv);
1233                         }
1234 #ifndef OPENSSL_NO_ENGINE
1235                 else if (strcmp(*argv,"-engine") == 0)
1236                         {
1237                         if (--argc < 1) goto bad;
1238                         engine_id= *(++argv);
1239                         }
1240 #endif
1241                 else if (strcmp(*argv,"-rand") == 0)
1242                         {
1243                         if (--argc < 1) goto bad;
1244                         inrand= *(++argv);
1245                         }
1246 #ifndef OPENSSL_NO_TLSEXT
1247                 else if (strcmp(*argv,"-servername") == 0)
1248                         {
1249                         if (--argc < 1) goto bad;
1250                         tlsextcbp.servername= *(++argv);
1251                         }
1252                 else if (strcmp(*argv,"-servername_fatal") == 0)
1253                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1254                 else if (strcmp(*argv,"-cert2") == 0)
1255                         {
1256                         if (--argc < 1) goto bad;
1257                         s_cert_file2= *(++argv);
1258                         }
1259                 else if (strcmp(*argv,"-key2") == 0)
1260                         {
1261                         if (--argc < 1) goto bad;
1262                         s_key_file2= *(++argv);
1263                         }
1264
1265 #endif
1266 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1267                 else if (strcmp(*argv,"-jpake") == 0)
1268                         {
1269                         if (--argc < 1) goto bad;
1270                         jpake_secret = *(++argv);
1271                         }
1272 #endif
1273                 else
1274                         {
1275                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1276                         badop=1;
1277                         break;
1278                         }
1279                 argc--;
1280                 argv++;
1281                 }
1282         if (badop)
1283                 {
1284 bad:
1285                 sv_usage();
1286                 goto end;
1287                 }
1288
1289 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1290         if (jpake_secret)
1291                 {
1292                 if (psk_key)
1293                         {
1294                         BIO_printf(bio_err,
1295                                    "Can't use JPAKE and PSK together\n");
1296                         goto end;
1297                         }
1298                 psk_identity = "JPAKE";
1299                 if (cipher)
1300                         {
1301                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1302                         goto end;
1303                         }
1304                 cipher = "PSK";
1305                 }
1306
1307 #endif
1308
1309         SSL_load_error_strings();
1310         OpenSSL_add_ssl_algorithms();
1311
1312 #ifndef OPENSSL_NO_ENGINE
1313         e = setup_engine(bio_err, engine_id, 1);
1314 #endif
1315
1316         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1317                 {
1318                 BIO_printf(bio_err, "Error getting password\n");
1319                 goto end;
1320                 }
1321
1322
1323         if (s_key_file == NULL)
1324                 s_key_file = s_cert_file;
1325 #ifndef OPENSSL_NO_TLSEXT
1326         if (s_key_file2 == NULL)
1327                 s_key_file2 = s_cert_file2;
1328 #endif
1329
1330         if (nocert == 0)
1331                 {
1332                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1333                        "server certificate private key file");
1334                 if (!s_key)
1335                         {
1336                         ERR_print_errors(bio_err);
1337                         goto end;
1338                         }
1339
1340                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1341                         NULL, e, "server certificate file");
1342
1343                 if (!s_cert)
1344                         {
1345                         ERR_print_errors(bio_err);
1346                         goto end;
1347                         }
1348
1349 #ifndef OPENSSL_NO_TLSEXT
1350                 if (tlsextcbp.servername)
1351                         {
1352                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1353                                 "second server certificate private key file");
1354                         if (!s_key2)
1355                                 {
1356                                 ERR_print_errors(bio_err);
1357                                 goto end;
1358                                 }
1359
1360                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1361                                 NULL, e, "second server certificate file");
1362
1363                         if (!s_cert2)
1364                                 {
1365                                 ERR_print_errors(bio_err);
1366                                 goto end;
1367                                 }
1368                         }
1369 #endif
1370                 }
1371
1372
1373         if (s_dcert_file)
1374                 {
1375
1376                 if (s_dkey_file == NULL)
1377                         s_dkey_file = s_dcert_file;
1378
1379                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1380                                 0, dpass, e,
1381                                "second certificate private key file");
1382                 if (!s_dkey)
1383                         {
1384                         ERR_print_errors(bio_err);
1385                         goto end;
1386                         }
1387
1388                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1389                                 NULL, e, "second server certificate file");
1390
1391                 if (!s_dcert)
1392                         {
1393                         ERR_print_errors(bio_err);
1394                         goto end;
1395                         }
1396
1397                 }
1398
1399         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1400                 && !RAND_status())
1401                 {
1402                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1403                 }
1404         if (inrand != NULL)
1405                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1406                         app_RAND_load_files(inrand));
1407
1408         if (bio_s_out == NULL)
1409                 {
1410                 if (s_quiet && !s_debug && !s_msg)
1411                         {
1412                         bio_s_out=BIO_new(BIO_s_null());
1413                         }
1414                 else
1415                         {
1416                         if (bio_s_out == NULL)
1417                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1418                         }
1419                 }
1420
1421 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1422         if (nocert)
1423 #endif
1424                 {
1425                 s_cert_file=NULL;
1426                 s_key_file=NULL;
1427                 s_dcert_file=NULL;
1428                 s_dkey_file=NULL;
1429 #ifndef OPENSSL_NO_TLSEXT
1430                 s_cert_file2=NULL;
1431                 s_key_file2=NULL;
1432 #endif
1433                 }
1434
1435         ctx=SSL_CTX_new(meth);
1436         if (ctx == NULL)
1437                 {
1438                 ERR_print_errors(bio_err);
1439                 goto end;
1440                 }
1441         if (session_id_prefix)
1442                 {
1443                 if(strlen(session_id_prefix) >= 32)
1444                         BIO_printf(bio_err,
1445 "warning: id_prefix is too long, only one new session will be possible\n");
1446                 else if(strlen(session_id_prefix) >= 16)
1447                         BIO_printf(bio_err,
1448 "warning: id_prefix is too long if you use SSLv2\n");
1449                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1450                         {
1451                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1452                         ERR_print_errors(bio_err);
1453                         goto end;
1454                         }
1455                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1456                 }
1457         SSL_CTX_set_quiet_shutdown(ctx,1);
1458         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1459         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1460         SSL_CTX_set_options(ctx,off);
1461         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1462          * Setting read ahead solves this problem.
1463          */
1464         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1465
1466         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1467         if (no_cache)
1468                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1469         else
1470                 SSL_CTX_sess_set_cache_size(ctx,128);
1471
1472 #if 0
1473         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1474 #endif
1475
1476 #if 0
1477         if (s_cert_file == NULL)
1478                 {
1479                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1480                 goto end;
1481                 }
1482 #endif
1483
1484         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1485                 (!SSL_CTX_set_default_verify_paths(ctx)))
1486                 {
1487                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1488                 ERR_print_errors(bio_err);
1489                 /* goto end; */
1490                 }
1491         if (vpm)
1492                 SSL_CTX_set1_param(ctx, vpm);
1493
1494 #ifndef OPENSSL_NO_TLSEXT
1495         if (s_cert2)
1496                 {
1497                 ctx2=SSL_CTX_new(meth);
1498                 if (ctx2 == NULL)
1499                         {
1500                         ERR_print_errors(bio_err);
1501                         goto end;
1502                         }
1503                 }
1504
1505         if (ctx2)
1506                 {
1507                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1508
1509                 if (session_id_prefix)
1510                         {
1511                         if(strlen(session_id_prefix) >= 32)
1512                                 BIO_printf(bio_err,
1513                                         "warning: id_prefix is too long, only one new session will be possible\n");
1514                         else if(strlen(session_id_prefix) >= 16)
1515                                 BIO_printf(bio_err,
1516                                         "warning: id_prefix is too long if you use SSLv2\n");
1517                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1518                                 {
1519                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1520                                 ERR_print_errors(bio_err);
1521                                 goto end;
1522                                 }
1523                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1524                         }
1525                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1526                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1527                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1528                 SSL_CTX_set_options(ctx2,off);
1529                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1530                  * Setting read ahead solves this problem.
1531                  */
1532                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1533
1534                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1535
1536                 if (no_cache)
1537                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1538                 else
1539                         SSL_CTX_sess_set_cache_size(ctx2,128);
1540
1541                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1542                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1543                         {
1544                         ERR_print_errors(bio_err);
1545                         }
1546                 if (vpm)
1547                         SSL_CTX_set1_param(ctx2, vpm);
1548                 }
1549 #endif
1550
1551 #ifndef OPENSSL_NO_DH
1552         if (!no_dhe)
1553                 {
1554                 DH *dh=NULL;
1555
1556                 if (dhfile)
1557                         dh = load_dh_param(dhfile);
1558                 else if (s_cert_file)
1559                         dh = load_dh_param(s_cert_file);
1560
1561                 if (dh != NULL)
1562                         {
1563                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1564                         }
1565                 else
1566                         {
1567                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1568                         dh=get_dh512();
1569                         }
1570                 (void)BIO_flush(bio_s_out);
1571
1572                 SSL_CTX_set_tmp_dh(ctx,dh);
1573 #ifndef OPENSSL_NO_TLSEXT
1574                 if (ctx2)
1575                         {
1576                         if (!dhfile)
1577                                 {
1578                                 DH *dh2=load_dh_param(s_cert_file2);
1579                                 if (dh2 != NULL)
1580                                         {
1581                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1582                                         (void)BIO_flush(bio_s_out);
1583
1584                                         DH_free(dh);
1585                                         dh = dh2;
1586                                         }
1587                                 }
1588                         SSL_CTX_set_tmp_dh(ctx2,dh);
1589                         }
1590 #endif
1591                 DH_free(dh);
1592                 }
1593 #endif
1594
1595 #ifndef OPENSSL_NO_ECDH
1596         if (!no_ecdhe)
1597                 {
1598                 EC_KEY *ecdh=NULL;
1599
1600                 if (named_curve)
1601                         {
1602                         int nid = OBJ_sn2nid(named_curve);
1603
1604                         if (nid == 0)
1605                                 {
1606                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1607                                         named_curve);
1608                                 goto end;
1609                                 }
1610                         ecdh = EC_KEY_new_by_curve_name(nid);
1611                         if (ecdh == NULL)
1612                                 {
1613                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1614                                         named_curve);
1615                                 goto end;
1616                                 }
1617                         }
1618
1619                 if (ecdh != NULL)
1620                         {
1621                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1622                         }
1623                 else
1624                         {
1625                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1626                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1627                         if (ecdh == NULL)
1628                                 {
1629                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1630                                 goto end;
1631                                 }
1632                         }
1633                 (void)BIO_flush(bio_s_out);
1634
1635                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1636 #ifndef OPENSSL_NO_TLSEXT
1637                 if (ctx2)
1638                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1639 #endif
1640                 EC_KEY_free(ecdh);
1641                 }
1642 #endif
1643
1644         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1645                 goto end;
1646 #ifndef OPENSSL_NO_TLSEXT
1647         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1648                 goto end;
1649 #endif
1650         if (s_dcert != NULL)
1651                 {
1652                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1653                         goto end;
1654                 }
1655
1656 #ifndef OPENSSL_NO_RSA
1657 #if 1
1658         if (!no_tmp_rsa)
1659                 {
1660                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1661 #ifndef OPENSSL_NO_TLSEXT
1662                 if (ctx2)
1663                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1664 #endif
1665                 }
1666 #else
1667         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1668                 {
1669                 RSA *rsa;
1670
1671                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1672                 BIO_flush(bio_s_out);
1673
1674                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1675
1676                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1677                         {
1678                         ERR_print_errors(bio_err);
1679                         goto end;
1680                         }
1681 #ifndef OPENSSL_NO_TLSEXT
1682                         if (ctx2)
1683                                 {
1684                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1685                                         {
1686                                         ERR_print_errors(bio_err);
1687                                         goto end;
1688                                         }
1689                                 }
1690 #endif
1691                 RSA_free(rsa);
1692                 BIO_printf(bio_s_out,"\n");
1693                 }
1694 #endif
1695 #endif
1696
1697 #ifndef OPENSSL_NO_PSK
1698 #ifdef OPENSSL_NO_JPAKE
1699         if (psk_key != NULL)
1700 #else
1701         if (psk_key != NULL || jpake_secret)
1702 #endif
1703                 {
1704                 if (s_debug)
1705                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1706                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1707                 }
1708
1709         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1710                 {
1711                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1712                 ERR_print_errors(bio_err);
1713                 goto end;
1714                 }
1715 #endif
1716
1717         if (cipher != NULL)
1718                 {
1719                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1720                         {
1721                         BIO_printf(bio_err,"error setting cipher list\n");
1722                         ERR_print_errors(bio_err);
1723                         goto end;
1724                         }
1725 #ifndef OPENSSL_NO_TLSEXT
1726                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1727                         {
1728                         BIO_printf(bio_err,"error setting cipher list\n");
1729                         ERR_print_errors(bio_err);
1730                         goto end;
1731                         }
1732 #endif
1733                 }
1734         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1735         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1736                 sizeof s_server_session_id_context);
1737
1738         /* Set DTLS cookie generation and verification callbacks */
1739         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1740         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1741
1742 #ifndef OPENSSL_NO_TLSEXT
1743         if (ctx2)
1744                 {
1745                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1746                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1747                         sizeof s_server_session_id_context);
1748
1749                 tlsextcbp.biodebug = bio_s_out;
1750                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1751                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1752                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1753                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1754                 }
1755 #endif
1756
1757 #ifndef OPENSSL_NO_SRP
1758         if (srp_verifier_file != NULL)
1759                 {
1760                 p.vb = SRP_VBASE_new(srpuserseed);
1761                 if ((ret = SRP_VBASE_init(p.vb, srp_verifier_file)) != SRP_NO_ERROR)
1762                         {
1763                         BIO_printf(bio_err,
1764                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1765                                    srp_verifier_file, ret);
1766                                 goto end;
1767                         }
1768                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1769                 SSL_CTX_set_srp_cb_arg(ctx, &p);
1770                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1771                 }
1772         else
1773 #endif
1774         if (CAfile != NULL)
1775                 {
1776                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1777 #ifndef OPENSSL_NO_TLSEXT
1778                 if (ctx2)
1779                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1780 #endif
1781                 }
1782
1783         BIO_printf(bio_s_out,"ACCEPT\n");
1784         (void)BIO_flush(bio_s_out);
1785         if (www)
1786                 do_server(port,socket_type,&accept_socket,www_body, context);
1787         else
1788                 do_server(port,socket_type,&accept_socket,sv_body, context);
1789         print_stats(bio_s_out,ctx);
1790         ret=0;
1791 end:
1792         if (ctx != NULL) SSL_CTX_free(ctx);
1793         if (s_cert)
1794                 X509_free(s_cert);
1795         if (s_dcert)
1796                 X509_free(s_dcert);
1797         if (s_key)
1798                 EVP_PKEY_free(s_key);
1799         if (s_dkey)
1800                 EVP_PKEY_free(s_dkey);
1801         if (pass)
1802                 OPENSSL_free(pass);
1803         if (dpass)
1804                 OPENSSL_free(dpass);
1805 #ifndef OPENSSL_NO_TLSEXT
1806         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1807         if (s_cert2)
1808                 X509_free(s_cert2);
1809         if (s_key2)
1810                 EVP_PKEY_free(s_key2);
1811 #endif
1812         if (bio_s_out != NULL)
1813                 {
1814         BIO_free(bio_s_out);
1815                 bio_s_out=NULL;
1816                 }
1817         apps_shutdown();
1818         OPENSSL_EXIT(ret);
1819         }
1820
1821 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1822         {
1823         BIO_printf(bio,"%4ld items in the session cache\n",
1824                 SSL_CTX_sess_number(ssl_ctx));
1825         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1826                 SSL_CTX_sess_connect(ssl_ctx));
1827         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1828                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1829         BIO_printf(bio,"%4ld client connects that finished\n",
1830                 SSL_CTX_sess_connect_good(ssl_ctx));
1831         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1832                 SSL_CTX_sess_accept(ssl_ctx));
1833         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1834                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1835         BIO_printf(bio,"%4ld server accepts that finished\n",
1836                 SSL_CTX_sess_accept_good(ssl_ctx));
1837         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1838         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1839         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1840         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1841         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1842                 SSL_CTX_sess_cache_full(ssl_ctx),
1843                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1844         }
1845
1846 static int sv_body(char *hostname, int s, unsigned char *context)
1847         {
1848         char *buf=NULL;
1849         fd_set readfds;
1850         int ret=1,width;
1851         int k,i;
1852         unsigned long l;
1853         SSL *con=NULL;
1854         BIO *sbio;
1855         struct timeval timeout;
1856 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1857         struct timeval tv;
1858 #else
1859         struct timeval *timeoutp;
1860 #endif
1861
1862         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
1863                 {
1864                 BIO_printf(bio_err,"out of memory\n");
1865                 goto err;
1866                 }
1867 #ifdef FIONBIO
1868         if (s_nbio)
1869                 {
1870                 unsigned long sl=1;
1871
1872                 if (!s_quiet)
1873                         BIO_printf(bio_err,"turning on non blocking io\n");
1874                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1875                         ERR_print_errors(bio_err);
1876                 }
1877 #endif
1878
1879         if (con == NULL) {
1880                 con=SSL_new(ctx);
1881 #ifndef OPENSSL_NO_TLSEXT
1882         if (s_tlsextdebug)
1883                 {
1884                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1885                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1886                 }
1887         if (s_tlsextstatus)
1888                 {
1889                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
1890                 tlscstatp.err = bio_err;
1891                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
1892                 }
1893 #endif
1894 #ifndef OPENSSL_NO_KRB5
1895                 if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
1896                         {
1897                         kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE,
1898                                                                 KRB5SVC);
1899                         kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB,
1900                                                                 KRB5KEYTAB);
1901                         }
1902 #endif  /* OPENSSL_NO_KRB5 */
1903                 if(context)
1904                       SSL_set_session_id_context(con, context,
1905                                                  strlen((char *)context));
1906         }
1907         SSL_clear(con);
1908 #if 0
1909 #ifdef TLSEXT_TYPE_opaque_prf_input
1910         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
1911 #endif
1912 #endif
1913
1914         if (SSL_version(con) == DTLS1_VERSION)
1915                 {
1916
1917                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1918
1919                 if (enable_timeouts)
1920                         {
1921                         timeout.tv_sec = 0;
1922                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1923                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1924
1925                         timeout.tv_sec = 0;
1926                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1927                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1928                         }
1929
1930                 if (socket_mtu > 28)
1931                         {
1932                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1933                         SSL_set_mtu(con, socket_mtu - 28);
1934                         }
1935                 else
1936                         /* want to do MTU discovery */
1937                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1938
1939         /* turn on cookie exchange */
1940         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
1941                 }
1942         else
1943                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1944
1945         if (s_nbio_test)
1946                 {
1947                 BIO *test;
1948
1949                 test=BIO_new(BIO_f_nbio_test());
1950                 sbio=BIO_push(test,sbio);
1951                 }
1952 #ifndef OPENSSL_NO_JPAKE
1953         if(jpake_secret)
1954                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
1955 #endif
1956
1957         SSL_set_bio(con,sbio,sbio);
1958         SSL_set_accept_state(con);
1959         /* SSL_set_fd(con,s); */
1960
1961         if (s_debug)
1962                 {
1963                 SSL_set_debug(con, 1);
1964                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
1965                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
1966                 }
1967         if (s_msg)
1968                 {
1969                 SSL_set_msg_callback(con, msg_cb);
1970                 SSL_set_msg_callback_arg(con, bio_s_out);
1971                 }
1972 #ifndef OPENSSL_NO_TLSEXT
1973         if (s_tlsextdebug)
1974                 {
1975                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1976                 SSL_set_tlsext_debug_arg(con, bio_s_out);
1977                 }
1978 #endif
1979
1980         width=s+1;
1981         for (;;)
1982                 {
1983                 int read_from_terminal;
1984                 int read_from_sslcon;
1985
1986                 read_from_terminal = 0;
1987                 read_from_sslcon = SSL_pending(con);
1988
1989                 if (!read_from_sslcon)
1990                         {
1991                         FD_ZERO(&readfds);
1992 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
1993                         openssl_fdset(fileno(stdin),&readfds);
1994 #endif
1995                         openssl_fdset(s,&readfds);
1996                         /* Note: under VMS with SOCKETSHR the second parameter is
1997                          * currently of type (int *) whereas under other systems
1998                          * it is (void *) if you don't have a cast it will choke
1999                          * the compiler: if you do have a cast then you can either
2000                          * go for (int *) or (void *).
2001                          */
2002 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2003                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2004                          * on sockets. As a workaround we timeout the select every
2005                          * second and check for any keypress. In a proper Windows
2006                          * application we wouldn't do this because it is inefficient.
2007                          */
2008                         tv.tv_sec = 1;
2009                         tv.tv_usec = 0;
2010                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2011                         if((i < 0) || (!i && !_kbhit() ) )continue;
2012                         if(_kbhit())
2013                                 read_from_terminal = 1;
2014 #elif defined(OPENSSL_SYS_BEOS_R5)
2015                         /* Under BeOS-R5 the situation is similar to DOS */
2016                         tv.tv_sec = 1;
2017                         tv.tv_usec = 0;
2018                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2019                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2020                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2021                                 continue;
2022                         if (read(fileno(stdin), buf, 0) >= 0)
2023                                 read_from_terminal = 1;
2024                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2025 #else
2026                         if ((SSL_version(con) == DTLS1_VERSION) &&
2027                                 DTLSv1_get_timeout(con, &timeout))
2028                                 timeoutp = &timeout;
2029                         else
2030                                 timeoutp = NULL;
2031
2032                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2033
2034                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2035                                 {
2036                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2037                                 }
2038
2039                         if (i <= 0) continue;
2040                         if (FD_ISSET(fileno(stdin),&readfds))
2041                                 read_from_terminal = 1;
2042 #endif
2043                         if (FD_ISSET(s,&readfds))
2044                                 read_from_sslcon = 1;
2045                         }
2046                 if (read_from_terminal)
2047                         {
2048                         if (s_crlf)
2049                                 {
2050                                 int j, lf_num;
2051
2052                                 i=raw_read_stdin(buf, bufsize/2);
2053                                 lf_num = 0;
2054                                 /* both loops are skipped when i <= 0 */
2055                                 for (j = 0; j < i; j++)
2056                                         if (buf[j] == '\n')
2057                                                 lf_num++;
2058                                 for (j = i-1; j >= 0; j--)
2059                                         {
2060                                         buf[j+lf_num] = buf[j];
2061                                         if (buf[j] == '\n')
2062                                                 {
2063                                                 lf_num--;
2064                                                 i++;
2065                                                 buf[j+lf_num] = '\r';
2066                                                 }
2067                                         }
2068                                 assert(lf_num == 0);
2069                                 }
2070                         else
2071                                 i=raw_read_stdin(buf,bufsize);
2072                         if (!s_quiet)
2073                                 {
2074                                 if ((i <= 0) || (buf[0] == 'Q'))
2075                                         {
2076                                         BIO_printf(bio_s_out,"DONE\n");
2077                                         SHUTDOWN(s);
2078                                         close_accept_socket();
2079                                         ret= -11;
2080                                         goto err;
2081                                         }
2082                                 if ((i <= 0) || (buf[0] == 'q'))
2083                                         {
2084                                         BIO_printf(bio_s_out,"DONE\n");
2085                                         if (SSL_version(con) != DTLS1_VERSION)
2086                         SHUTDOWN(s);
2087         /*                              close_accept_socket();
2088                                         ret= -11;*/
2089                                         goto err;
2090                                         }
2091
2092                                 if ((buf[0] == 'r') &&
2093                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2094                                         {
2095                                         SSL_renegotiate(con);
2096                                         i=SSL_do_handshake(con);
2097                                         printf("SSL_do_handshake -> %d\n",i);
2098                                         i=0; /*13; */
2099                                         continue;
2100                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2101                                         }
2102                                 if ((buf[0] == 'R') &&
2103                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2104                                         {
2105                                         SSL_set_verify(con,
2106                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2107                                         SSL_renegotiate(con);
2108                                         i=SSL_do_handshake(con);
2109                                         printf("SSL_do_handshake -> %d\n",i);
2110                                         i=0; /* 13; */
2111                                         continue;
2112                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2113                                         }
2114                                 if (buf[0] == 'P')
2115                                         {
2116                                         static const char *str="Lets print some clear text\n";
2117                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2118                                         }
2119                                 if (buf[0] == 'S')
2120                                         {
2121                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2122                                         }
2123                                 }
2124 #ifdef CHARSET_EBCDIC
2125                         ebcdic2ascii(buf,buf,i);
2126 #endif
2127                         l=k=0;
2128                         for (;;)
2129                                 {
2130                                 /* should do a select for the write */
2131 #ifdef RENEG
2132 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2133 #endif
2134                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2135                                 switch (SSL_get_error(con,k))
2136                                         {
2137                                 case SSL_ERROR_NONE:
2138                                         break;
2139                                 case SSL_ERROR_WANT_WRITE:
2140                                 case SSL_ERROR_WANT_READ:
2141                                 case SSL_ERROR_WANT_X509_LOOKUP:
2142                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2143                                         break;
2144                                 case SSL_ERROR_SYSCALL:
2145                                 case SSL_ERROR_SSL:
2146                                         BIO_printf(bio_s_out,"ERROR\n");
2147                                         ERR_print_errors(bio_err);
2148                                         ret=1;
2149                                         goto err;
2150                                         /* break; */
2151                                 case SSL_ERROR_ZERO_RETURN:
2152                                         BIO_printf(bio_s_out,"DONE\n");
2153                                         ret=1;
2154                                         goto err;
2155                                         }
2156                                 l+=k;
2157                                 i-=k;
2158                                 if (i <= 0) break;
2159                                 }
2160                         }
2161                 if (read_from_sslcon)
2162                         {
2163                         if (!SSL_is_init_finished(con))
2164                                 {
2165                                 i=init_ssl_connection(con);
2166
2167                                 if (i < 0)
2168                                         {
2169                                         ret=0;
2170                                         goto err;
2171                                         }
2172                                 else if (i == 0)
2173                                         {
2174                                         ret=1;
2175                                         goto err;
2176                                         }
2177                                 }
2178                         else
2179                                 {
2180 again:
2181                                 i=SSL_read(con,(char *)buf,bufsize);
2182                                 switch (SSL_get_error(con,i))
2183                                         {
2184                                 case SSL_ERROR_NONE:
2185 #ifdef CHARSET_EBCDIC
2186                                         ascii2ebcdic(buf,buf,i);
2187 #endif
2188                                         raw_write_stdout(buf,
2189                                                 (unsigned int)i);
2190                                         if (SSL_pending(con)) goto again;
2191                                         break;
2192                                 case SSL_ERROR_WANT_WRITE:
2193                                 case SSL_ERROR_WANT_READ:
2194                                 case SSL_ERROR_WANT_X509_LOOKUP:
2195                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2196                                         break;
2197                                 case SSL_ERROR_SYSCALL:
2198                                 case SSL_ERROR_SSL:
2199                                         BIO_printf(bio_s_out,"ERROR\n");
2200                                         ERR_print_errors(bio_err);
2201                                         ret=1;
2202                                         goto err;
2203                                 case SSL_ERROR_ZERO_RETURN:
2204                                         BIO_printf(bio_s_out,"DONE\n");
2205                                         ret=1;
2206                                         goto err;
2207                                         }
2208                                 }
2209                         }
2210                 }
2211 err:
2212         if (con != NULL)
2213                 {
2214                 BIO_printf(bio_s_out,"shutting down SSL\n");
2215 #if 1
2216                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2217 #else
2218                 SSL_shutdown(con);
2219 #endif
2220                 SSL_free(con);
2221                 }
2222         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2223         if (buf != NULL)
2224                 {
2225                 OPENSSL_cleanse(buf,bufsize);
2226                 OPENSSL_free(buf);
2227                 }
2228         if (ret >= 0)
2229                 BIO_printf(bio_s_out,"ACCEPT\n");
2230         return(ret);
2231         }
2232
2233 static void close_accept_socket(void)
2234         {
2235         BIO_printf(bio_err,"shutdown accept socket\n");
2236         if (accept_socket >= 0)
2237                 {
2238                 SHUTDOWN2(accept_socket);
2239                 }
2240         }
2241
2242 static int init_ssl_connection(SSL *con)
2243         {
2244         int i;
2245         const char *str;
2246         X509 *peer;
2247         long verify_error;
2248         MS_STATIC char buf[BUFSIZ];
2249
2250         if ((i=SSL_accept(con)) <= 0)
2251                 {
2252                 if (BIO_sock_should_retry(i))
2253                         {
2254                         BIO_printf(bio_s_out,"DELAY\n");
2255                         return(1);
2256                         }
2257
2258                 BIO_printf(bio_err,"ERROR\n");
2259                 verify_error=SSL_get_verify_result(con);
2260                 if (verify_error != X509_V_OK)
2261                         {
2262                         BIO_printf(bio_err,"verify error:%s\n",
2263                                 X509_verify_cert_error_string(verify_error));
2264                         }
2265                 else
2266                         ERR_print_errors(bio_err);
2267                 return(0);
2268                 }
2269
2270         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2271
2272         peer=SSL_get_peer_certificate(con);
2273         if (peer != NULL)
2274                 {
2275                 BIO_printf(bio_s_out,"Client certificate\n");
2276                 PEM_write_bio_X509(bio_s_out,peer);
2277                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2278                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2279                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2280                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2281                 X509_free(peer);
2282                 }
2283
2284         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2285                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2286         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2287         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2288         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2289         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2290                 TLS1_FLAGS_TLS_PADDING_BUG)
2291                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
2292 #ifndef OPENSSL_NO_KRB5
2293         if (con->kssl_ctx->client_princ != NULL)
2294                 {
2295                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2296                         con->kssl_ctx->client_princ);
2297                 }
2298 #endif /* OPENSSL_NO_KRB5 */
2299         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2300                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2301         return(1);
2302         }
2303
2304 #ifndef OPENSSL_NO_DH
2305 static DH *load_dh_param(const char *dhfile)
2306         {
2307         DH *ret=NULL;
2308         BIO *bio;
2309
2310         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2311                 goto err;
2312         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2313 err:
2314         if (bio != NULL) BIO_free(bio);
2315         return(ret);
2316         }
2317 #endif
2318
2319 #if 0
2320 static int load_CA(SSL_CTX *ctx, char *file)
2321         {
2322         FILE *in;
2323         X509 *x=NULL;
2324
2325         if ((in=fopen(file,"r")) == NULL)
2326                 return(0);
2327
2328         for (;;)
2329                 {
2330                 if (PEM_read_X509(in,&x,NULL) == NULL)
2331                         break;
2332                 SSL_CTX_add_client_CA(ctx,x);
2333                 }
2334         if (x != NULL) X509_free(x);
2335         fclose(in);
2336         return(1);
2337         }
2338 #endif
2339
2340 static int www_body(char *hostname, int s, unsigned char *context)
2341         {
2342         char *buf=NULL;
2343         int ret=1;
2344         int i,j,k,dot;
2345         SSL *con;
2346         const SSL_CIPHER *c;
2347         BIO *io,*ssl_bio,*sbio;
2348
2349         buf=OPENSSL_malloc(bufsize);
2350         if (buf == NULL) return(0);
2351         io=BIO_new(BIO_f_buffer());
2352         ssl_bio=BIO_new(BIO_f_ssl());
2353         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2354
2355 #ifdef FIONBIO
2356         if (s_nbio)
2357                 {
2358                 unsigned long sl=1;
2359
2360                 if (!s_quiet)
2361                         BIO_printf(bio_err,"turning on non blocking io\n");
2362                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2363                         ERR_print_errors(bio_err);
2364                 }
2365 #endif
2366
2367         /* lets make the output buffer a reasonable size */
2368         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2369
2370         if ((con=SSL_new(ctx)) == NULL) goto err;
2371 #ifndef OPENSSL_NO_TLSEXT
2372                 if (s_tlsextdebug)
2373                         {
2374                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2375                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2376                         }
2377 #endif
2378 #ifndef OPENSSL_NO_KRB5
2379         if ((con->kssl_ctx = kssl_ctx_new()) != NULL)
2380                 {
2381                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVICE, KRB5SVC);
2382                 kssl_ctx_setstring(con->kssl_ctx, KSSL_KEYTAB, KRB5KEYTAB);
2383                 }
2384 #endif  /* OPENSSL_NO_KRB5 */
2385         if(context) SSL_set_session_id_context(con, context,
2386                                                strlen((char *)context));
2387
2388         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2389         if (s_nbio_test)
2390                 {
2391                 BIO *test;
2392
2393                 test=BIO_new(BIO_f_nbio_test());
2394                 sbio=BIO_push(test,sbio);
2395                 }
2396         SSL_set_bio(con,sbio,sbio);
2397         SSL_set_accept_state(con);
2398
2399         /* SSL_set_fd(con,s); */
2400         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2401         BIO_push(io,ssl_bio);
2402 #ifdef CHARSET_EBCDIC
2403         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2404 #endif
2405
2406         if (s_debug)
2407                 {
2408                 SSL_set_debug(con, 1);
2409                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2410                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2411                 }
2412         if (s_msg)
2413                 {
2414                 SSL_set_msg_callback(con, msg_cb);
2415                 SSL_set_msg_callback_arg(con, bio_s_out);
2416                 }
2417
2418         for (;;)
2419                 {
2420                 if (hack)
2421                         {
2422                         i=SSL_accept(con);
2423
2424                         switch (SSL_get_error(con,i))
2425                                 {
2426                         case SSL_ERROR_NONE:
2427                                 break;
2428                         case SSL_ERROR_WANT_WRITE:
2429                         case SSL_ERROR_WANT_READ:
2430                         case SSL_ERROR_WANT_X509_LOOKUP:
2431                                 continue;
2432                         case SSL_ERROR_SYSCALL:
2433                         case SSL_ERROR_SSL:
2434                         case SSL_ERROR_ZERO_RETURN:
2435                                 ret=1;
2436                                 goto err;
2437                                 /* break; */
2438                                 }
2439
2440                         SSL_renegotiate(con);
2441                         SSL_write(con,NULL,0);
2442                         }
2443
2444                 i=BIO_gets(io,buf,bufsize-1);
2445                 if (i < 0) /* error */
2446                         {
2447                         if (!BIO_should_retry(io))
2448                                 {
2449                                 if (!s_quiet)
2450                                         ERR_print_errors(bio_err);
2451                                 goto err;
2452                                 }
2453                         else
2454                                 {
2455                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2456 #if defined(OPENSSL_SYS_NETWARE)
2457             delay(1000);
2458 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2459                                 sleep(1);
2460 #endif
2461                                 continue;
2462                                 }
2463                         }
2464                 else if (i == 0) /* end of input */
2465                         {
2466                         ret=1;
2467                         goto end;
2468                         }
2469
2470                 /* else we have data */
2471                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2472                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2473                         {
2474                         char *p;
2475                         X509 *peer;
2476                         STACK_OF(SSL_CIPHER) *sk;
2477                         static const char *space="                          ";
2478
2479                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2480                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2481                         BIO_puts(io,"<pre>\n");
2482 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2483                         BIO_puts(io,"\n");
2484                         for (i=0; i<local_argc; i++)
2485                                 {
2486                                 BIO_puts(io,local_argv[i]);
2487                                 BIO_write(io," ",1);
2488                                 }
2489                         BIO_puts(io,"\n");
2490
2491                         /* The following is evil and should not really
2492                          * be done */
2493                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2494                         sk=SSL_get_ciphers(con);
2495                         j=sk_SSL_CIPHER_num(sk);
2496                         for (i=0; i<j; i++)
2497                                 {
2498                                 c=sk_SSL_CIPHER_value(sk,i);
2499                                 BIO_printf(io,"%-11s:%-25s",
2500                                         SSL_CIPHER_get_version(c),
2501                                         SSL_CIPHER_get_name(c));
2502                                 if ((((i+1)%2) == 0) && (i+1 != j))
2503                                         BIO_puts(io,"\n");
2504                                 }
2505                         BIO_puts(io,"\n");
2506                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2507                         if (p != NULL)
2508                                 {
2509                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2510                                 j=i=0;
2511                                 while (*p)
2512                                         {
2513                                         if (*p == ':')
2514                                                 {
2515                                                 BIO_write(io,space,26-j);
2516                                                 i++;
2517                                                 j=0;
2518                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2519                                                 }
2520                                         else
2521                                                 {
2522                                                 BIO_write(io,p,1);
2523                                                 j++;
2524                                                 }
2525                                         p++;
2526                                         }
2527                                 BIO_puts(io,"\n");
2528                                 }
2529                         BIO_printf(io,(SSL_cache_hit(con)
2530                                 ?"---\nReused, "
2531                                 :"---\nNew, "));
2532                         c=SSL_get_current_cipher(con);
2533                         BIO_printf(io,"%s, Cipher is %s\n",
2534                                 SSL_CIPHER_get_version(c),
2535                                 SSL_CIPHER_get_name(c));
2536                         SSL_SESSION_print(io,SSL_get_session(con));
2537                         BIO_printf(io,"---\n");
2538                         print_stats(io,SSL_get_SSL_CTX(con));
2539                         BIO_printf(io,"---\n");
2540                         peer=SSL_get_peer_certificate(con);
2541                         if (peer != NULL)
2542                                 {
2543                                 BIO_printf(io,"Client certificate\n");
2544                                 X509_print(io,peer);
2545                                 PEM_write_bio_X509(io,peer);
2546                                 }
2547                         else
2548                                 BIO_puts(io,"no client certificate available\n");
2549                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2550                         break;
2551                         }
2552                 else if ((www == 2 || www == 3)
2553                          && (strncmp("GET /",buf,5) == 0))
2554                         {
2555                         BIO *file;
2556                         char *p,*e;
2557                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2558
2559                         /* skip the '/' */
2560                         p= &(buf[5]);
2561
2562                         dot = 1;
2563                         for (e=p; *e != '\0'; e++)
2564                                 {
2565                                 if (e[0] == ' ')
2566                                         break;
2567
2568                                 switch (dot)
2569                                         {
2570                                 case 1:
2571                                         dot = (e[0] == '.') ? 2 : 0;
2572                                         break;
2573                                 case 2:
2574                                         dot = (e[0] == '.') ? 3 : 0;
2575                                         break;
2576                                 case 3:
2577                                         dot = (e[0] == '/') ? -1 : 0;
2578                                         break;
2579                                         }
2580                                 if (dot == 0)
2581                                         dot = (e[0] == '/') ? 1 : 0;
2582                                 }
2583                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2584
2585                         if (*e == '\0')
2586                                 {
2587                                 BIO_puts(io,text);
2588                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2589                                 break;
2590                                 }
2591                         *e='\0';
2592
2593                         if (dot)
2594                                 {
2595                                 BIO_puts(io,text);
2596                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2597                                 break;
2598                                 }
2599
2600                         if (*p == '/')
2601                                 {
2602                                 BIO_puts(io,text);
2603                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2604                                 break;
2605                                 }
2606
2607 #if 0
2608                         /* append if a directory lookup */
2609                         if (e[-1] == '/')
2610                                 strcat(p,"index.html");
2611 #endif
2612
2613                         /* if a directory, do the index thang */
2614                         if (app_isdir(p)>0)
2615                                 {
2616 #if 0 /* must check buffer size */
2617                                 strcat(p,"/index.html");
2618 #else
2619                                 BIO_puts(io,text);
2620                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2621                                 break;
2622 #endif
2623                                 }
2624
2625                         if ((file=BIO_new_file(p,"r")) == NULL)
2626                                 {
2627                                 BIO_puts(io,text);
2628                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2629                                 ERR_print_errors(io);
2630                                 break;
2631                                 }
2632
2633                         if (!s_quiet)
2634                                 BIO_printf(bio_err,"FILE:%s\n",p);
2635
2636                         if (www == 2)
2637                                 {
2638                                 i=strlen(p);
2639                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2640                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2641                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2642                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2643                                 else
2644                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2645                                 }
2646                         /* send the file */
2647                         for (;;)
2648                                 {
2649                                 i=BIO_read(file,buf,bufsize);
2650                                 if (i <= 0) break;
2651
2652 #ifdef RENEG
2653                                 total_bytes+=i;
2654                                 fprintf(stderr,"%d\n",i);
2655                                 if (total_bytes > 3*1024)
2656                                         {
2657                                         total_bytes=0;
2658                                         fprintf(stderr,"RENEGOTIATE\n");
2659                                         SSL_renegotiate(con);
2660                                         }
2661 #endif
2662
2663                                 for (j=0; j<i; )
2664                                         {
2665 #ifdef RENEG
2666 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2667 #endif
2668                                         k=BIO_write(io,&(buf[j]),i-j);
2669                                         if (k <= 0)
2670                                                 {
2671                                                 if (!BIO_should_retry(io))
2672                                                         goto write_error;
2673                                                 else
2674                                                         {
2675                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2676                                                         }
2677                                                 }
2678                                         else
2679                                                 {
2680                                                 j+=k;
2681                                                 }
2682                                         }
2683                                 }
2684 write_error:
2685                         BIO_free(file);
2686                         break;
2687                         }
2688                 }
2689
2690         for (;;)
2691                 {
2692                 i=(int)BIO_flush(io);
2693                 if (i <= 0)
2694                         {
2695                         if (!BIO_should_retry(io))
2696                                 break;
2697                         }
2698                 else
2699                         break;
2700                 }
2701 end:
2702 #if 1
2703         /* make sure we re-use sessions */
2704         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2705 #else
2706         /* This kills performance */
2707 /*      SSL_shutdown(con); A shutdown gets sent in the
2708  *      BIO_free_all(io) procession */
2709 #endif
2710
2711 err:
2712
2713         if (ret >= 0)
2714                 BIO_printf(bio_s_out,"ACCEPT\n");
2715
2716         if (buf != NULL) OPENSSL_free(buf);
2717         if (io != NULL) BIO_free_all(io);
2718 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
2719         return(ret);
2720         }
2721
2722 #ifndef OPENSSL_NO_RSA
2723 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
2724         {
2725         BIGNUM *bn = NULL;
2726         static RSA *rsa_tmp=NULL;
2727
2728         if (!rsa_tmp && ((bn = BN_new()) == NULL))
2729                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
2730         if (!rsa_tmp && bn)
2731                 {
2732                 if (!s_quiet)
2733                         {
2734                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
2735                         (void)BIO_flush(bio_err);
2736                         }
2737                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
2738                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
2739                         {
2740                         if(rsa_tmp) RSA_free(rsa_tmp);
2741                         rsa_tmp = NULL;
2742                         }
2743                 if (!s_quiet)
2744                         {
2745                         BIO_printf(bio_err,"\n");
2746                         (void)BIO_flush(bio_err);
2747                         }
2748                 BN_free(bn);
2749                 }
2750         return(rsa_tmp);
2751         }
2752 #endif
2753
2754 #define MAX_SESSION_ID_ATTEMPTS 10
2755 static int generate_session_id(const SSL *ssl, unsigned char *id,
2756                                 unsigned int *id_len)
2757         {
2758         unsigned int count = 0;
2759         do      {
2760                 RAND_pseudo_bytes(id, *id_len);
2761                 /* Prefix the session_id with the required prefix. NB: If our
2762                  * prefix is too long, clip it - but there will be worse effects
2763                  * anyway, eg. the server could only possibly create 1 session
2764                  * ID (ie. the prefix!) so all future session negotiations will
2765                  * fail due to conflicts. */
2766                 memcpy(id, session_id_prefix,
2767                         (strlen(session_id_prefix) < *id_len) ?
2768                         strlen(session_id_prefix) : *id_len);
2769                 }
2770         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
2771                 (++count < MAX_SESSION_ID_ATTEMPTS));
2772         if(count >= MAX_SESSION_ID_ATTEMPTS)
2773                 return 0;
2774         return 1;
2775         }