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 static int ssl_load_stores(SSL_CTX *sctx,
 216                         const char *vfyCApath, const char *vfyCAfile,
 217                         const char *chCApath, const char *chCAfile);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 221 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_DH
 228 static unsigned char dh512_p[]={
 229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 234         0x47,0x74,0xE8,0x33,
 235         };
 236 static unsigned char dh512_g[]={
 237         0x02,
 238         };
 239
 240 static DH *get_dh512(void)
 241         {
 242         DH *dh=NULL;
 243
 244         if ((dh=DH_new()) == NULL) return(NULL);
 245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 247         if ((dh->p == NULL) || (dh->g == NULL))
 248                 return(NULL);
 249         return(dh);
 250         }
 251 #endif
 252
 253
 254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 255
 256 #undef BUFSIZZ
 257 #define BUFSIZZ 16*1024
 258 static int bufsize=BUFSIZZ;
 259 static int accept_socket= -1;
 260
 261 #define TEST_CERT       "server.pem"
 262 #ifndef OPENSSL_NO_TLSEXT
 263 #define TEST_CERT2      "server2.pem"
 264 #endif
 265 #undef PROG
 266 #define PROG            s_server_main
 267
 268 extern int verify_depth, verify_return_error;
 269
 270 static char *cipher=NULL;
 271 static int s_server_verify=SSL_VERIFY_NONE;
 272 static int s_server_session_id_context = 1; /* anything will do */
 273 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 274 #ifndef OPENSSL_NO_TLSEXT
 275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 276 static const char *curves=NULL;
 277 static const char *sigalgs=NULL;
 278 static const char *client_sigalgs=NULL;
 279 #endif
 280 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 281 #ifdef FIONBIO
 282 static int s_nbio=0;
 283 #endif
 284 static int s_nbio_test=0;
 285 int s_crlf=0;
 286 static SSL_CTX *ctx=NULL;
 287 #ifndef OPENSSL_NO_TLSEXT
 288 static SSL_CTX *ctx2=NULL;
 289 #endif
 290 static int www=0;
 291
 292 static BIO *bio_s_out=NULL;
 293 static BIO *bio_s_msg = NULL;
 294 static int s_debug=0;
 295 #ifndef OPENSSL_NO_TLSEXT
 296 static int s_tlsextdebug=0;
 297 static int s_tlsextstatus=0;
 298 static int cert_status_cb(SSL *s, void *arg);
 299 #endif
 300 static int s_msg=0;
 301 static int s_quiet=0;
 302
 303 static char *keymatexportlabel=NULL;
 304 static int keymatexportlen=20;
 305
 306 static int hack=0;
 307 #ifndef OPENSSL_NO_ENGINE
 308 static char *engine_id=NULL;
 309 #endif
 310 static const char *session_id_prefix=NULL;
 311
 312 static int enable_timeouts = 0;
 313 static long socket_mtu;
 314 #ifndef OPENSSL_NO_DTLS1
 315 static int cert_chain = 0;
 316 #endif
 317
 318 #ifndef OPENSSL_NO_TLSEXT
 319 static BIO *authz_in = NULL;
 320 static const char *s_authz_file = NULL;
 321 #endif
 322
 323 #ifndef OPENSSL_NO_PSK
 324 static char *psk_identity="Client_identity";
 325 char *psk_key=NULL; /* by default PSK is not used */
 326
 327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 328         unsigned char *psk, unsigned int max_psk_len)
 329         {
 330         unsigned int psk_len = 0;
 331         int ret;
 332         BIGNUM *bn = NULL;
 333
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"psk_server_cb\n");
 336         if (!identity)
 337                 {
 338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 339                 goto out_err;
 340                 }
 341         if (s_debug)
 342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 343                         identity ? (int)strlen(identity) : 0, identity);
 344
 345         /* here we could lookup the given identity e.g. from a database */
 346         if (strcmp(identity, psk_identity) != 0)
 347                 {
 348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 349                            " (got '%s' expected '%s')\n", identity,
 350                            psk_identity);
 351                 goto out_err;
 352                 }
 353         if (s_debug)
 354                 BIO_printf(bio_s_out, "PSK client identity found\n");
 355
 356         /* convert the PSK key to binary */
 357         ret = BN_hex2bn(&bn, psk_key);
 358         if (!ret)
 359                 {
 360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 361                 if (bn)
 362                         BN_free(bn);
 363                 return 0;
 364                 }
 365         if (BN_num_bytes(bn) > (int)max_psk_len)
 366                 {
 367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 368                         max_psk_len, BN_num_bytes(bn));
 369                 BN_free(bn);
 370                 return 0;
 371                 }
 372
 373         ret = BN_bn2bin(bn, psk);
 374         BN_free(bn);
 375
 376         if (ret < 0)
 377                 goto out_err;
 378         psk_len = (unsigned int)ret;
 379
 380         if (s_debug)
 381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 382         return psk_len;
 383  out_err:
 384         if (s_debug)
 385                 BIO_printf(bio_err, "Error in PSK server callback\n");
 386         return 0;
 387         }
 388 #endif
 389
 390 #ifndef OPENSSL_NO_SRP
 391 /* This is a context that we pass to callbacks */
 392 typedef struct srpsrvparm_st
 393         {
 394         char *login;
 395         SRP_VBASE *vb;
 396         SRP_user_pwd *user;
 397         } srpsrvparm;
 398
 399 /* This callback pretends to require some asynchronous logic in order to obtain
 400    a verifier. When the callback is called for a new connection we return
 401    with a negative value. This will provoke the accept etc to return with
 402    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 403    (which would normally occur after a worker has finished) and we
 404    set the user parameters.
 405 */
 406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 407         {
 408         srpsrvparm *p = (srpsrvparm *)arg;
 409         if (p->login == NULL && p->user == NULL )
 410                 {
 411                 p->login = SSL_get_srp_username(s);
 412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 413                 return (-1) ;
 414                 }
 415
 416         if (p->user == NULL)
 417                 {
 418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 419                 return SSL3_AL_FATAL;
 420                 }
 421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 422                                      p->user->info) < 0)
 423                 {
 424                 *ad = SSL_AD_INTERNAL_ERROR;
 425                 return SSL3_AL_FATAL;
 426                 }
 427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 428         /* need to check whether there are memory leaks */
 429         p->user = NULL;
 430         p->login = NULL;
 431         return SSL_ERROR_NONE;
 432         }
 433
 434 #endif
 435
 436 #ifdef MONOLITH
 437 static void s_server_init(void)
 438         {
 439         accept_socket=-1;
 440         cipher=NULL;
 441         s_server_verify=SSL_VERIFY_NONE;
 442         s_dcert_file=NULL;
 443         s_dkey_file=NULL;
 444         s_dchain_file=NULL;
 445         s_cert_file=TEST_CERT;
 446         s_key_file=NULL;
 447         s_chain_file=NULL;
 448 #ifndef OPENSSL_NO_TLSEXT
 449         curves=NULL;
 450         s_cert_file2=TEST_CERT2;
 451         s_key_file2=NULL;
 452         ctx2=NULL;
 453 #endif
 454 #ifdef FIONBIO
 455         s_nbio=0;
 456 #endif
 457         s_nbio_test=0;
 458         ctx=NULL;
 459         www=0;
 460
 461         bio_s_out=NULL;
 462         s_debug=0;
 463         s_msg=0;
 464         s_quiet=0;
 465         hack=0;
 466 #ifndef OPENSSL_NO_ENGINE
 467         engine_id=NULL;
 468 #endif
 469         }
 470 #endif
 471
 472 static void sv_usage(void)
 473         {
 474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 475         BIO_printf(bio_err,"\n");
 476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 477         BIO_printf(bio_err," -context arg  - set session ID context\n");
 478         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 479         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 480         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 481         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 482         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 483         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 484                            "                 The CRL(s) are appended to the certificate file\n");
 485         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 486                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 487                            "                 the certificate file.\n");
 488         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 489         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 490         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 491         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 492         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 493         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 494         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 495         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 496         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 497         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 498         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 499         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 500 #ifndef OPENSSL_NO_ECDH
 501         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 502                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 503                            "                 (default is nistp256).\n");
 504 #endif
 505 #ifdef FIONBIO
 506         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 507 #endif
 508         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 509         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 510         BIO_printf(bio_err," -debug        - Print more output\n");
 511         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 512         BIO_printf(bio_err," -state        - Print the SSL states\n");
 513         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 514         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 515         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 516         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 517         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 518         BIO_printf(bio_err," -quiet        - No server output\n");
 519         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 520 #ifndef OPENSSL_NO_PSK
 521         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 522         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 523 # ifndef OPENSSL_NO_JPAKE
 524         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 525 # endif
 526 #endif
 527 #ifndef OPENSSL_NO_SRP
 528         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 529         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 530 #endif
 531         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 532         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 533         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 534         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 535         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 536         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 537         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 538         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 539         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 540         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 541         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 542         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 543         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 544         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 545 #ifndef OPENSSL_NO_DH
 546         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 547 #endif
 548 #ifndef OPENSSL_NO_ECDH
 549         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 550 #endif
 551         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 552         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 553         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 554         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 555         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 556 #ifndef OPENSSL_NO_ENGINE
 557         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 558 #endif
 559         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 560         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 561 #ifndef OPENSSL_NO_TLSEXT
 562         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 563         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 564         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 565         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 566         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 567         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 568         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 569         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 570         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 571 # ifndef OPENSSL_NO_NEXTPROTONEG
 572         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 573 # endif
 574         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 575 #endif
 576         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 577         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 578         }
 579
 580 static int local_argc=0;
 581 static char **local_argv;
 582
 583 #ifdef CHARSET_EBCDIC
 584 static int ebcdic_new(BIO *bi);
 585 static int ebcdic_free(BIO *a);
 586 static int ebcdic_read(BIO *b, char *out, int outl);
 587 static int ebcdic_write(BIO *b, const char *in, int inl);
 588 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 589 static int ebcdic_gets(BIO *bp, char *buf, int size);
 590 static int ebcdic_puts(BIO *bp, const char *str);
 591
 592 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 593 static BIO_METHOD methods_ebcdic=
 594         {
 595         BIO_TYPE_EBCDIC_FILTER,
 596         "EBCDIC/ASCII filter",
 597         ebcdic_write,
 598         ebcdic_read,
 599         ebcdic_puts,
 600         ebcdic_gets,
 601         ebcdic_ctrl,
 602         ebcdic_new,
 603         ebcdic_free,
 604         };
 605
 606 typedef struct
 607 {
 608         size_t  alloced;
 609         char    buff[1];
 610 } EBCDIC_OUTBUFF;
 611
 612 BIO_METHOD *BIO_f_ebcdic_filter()
 613 {
 614         return(&methods_ebcdic);
 615 }
 616
 617 static int ebcdic_new(BIO *bi)
 618 {
 619         EBCDIC_OUTBUFF *wbuf;
 620
 621         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 622         wbuf->alloced = 1024;
 623         wbuf->buff[0] = '\0';
 624
 625         bi->ptr=(char *)wbuf;
 626         bi->init=1;
 627         bi->flags=0;
 628         return(1);
 629 }
 630
 631 static int ebcdic_free(BIO *a)
 632 {
 633         if (a == NULL) return(0);
 634         if (a->ptr != NULL)
 635                 OPENSSL_free(a->ptr);
 636         a->ptr=NULL;
 637         a->init=0;
 638         a->flags=0;
 639         return(1);
 640 }
 641
 642 static int ebcdic_read(BIO *b, char *out, int outl)
 643 {
 644         int ret=0;
 645
 646         if (out == NULL || outl == 0) return(0);
 647         if (b->next_bio == NULL) return(0);
 648
 649         ret=BIO_read(b->next_bio,out,outl);
 650         if (ret > 0)
 651                 ascii2ebcdic(out,out,ret);
 652         return(ret);
 653 }
 654
 655 static int ebcdic_write(BIO *b, const char *in, int inl)
 656 {
 657         EBCDIC_OUTBUFF *wbuf;
 658         int ret=0;
 659         int num;
 660         unsigned char n;
 661
 662         if ((in == NULL) || (inl <= 0)) return(0);
 663         if (b->next_bio == NULL) return(0);
 664
 665         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 666
 667         if (inl > (num = wbuf->alloced))
 668         {
 669                 num = num + num;  /* double the size */
 670                 if (num < inl)
 671                         num = inl;
 672                 OPENSSL_free(wbuf);
 673                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 674
 675                 wbuf->alloced = num;
 676                 wbuf->buff[0] = '\0';
 677
 678                 b->ptr=(char *)wbuf;
 679         }
 680
 681         ebcdic2ascii(wbuf->buff, in, inl);
 682
 683         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 684
 685         return(ret);
 686 }
 687
 688 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 689 {
 690         long ret;
 691
 692         if (b->next_bio == NULL) return(0);
 693         switch (cmd)
 694         {
 695         case BIO_CTRL_DUP:
 696                 ret=0L;
 697                 break;
 698         default:
 699                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 700                 break;
 701         }
 702         return(ret);
 703 }
 704
 705 static int ebcdic_gets(BIO *bp, char *buf, int size)
 706 {
 707         int i, ret=0;
 708         if (bp->next_bio == NULL) return(0);
 709 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 710         for (i=0; i<size-1; ++i)
 711         {
 712                 ret = ebcdic_read(bp,&buf[i],1);
 713                 if (ret <= 0)
 714                         break;
 715                 else if (buf[i] == '\n')
 716                 {
 717                         ++i;
 718                         break;
 719                 }
 720         }
 721         if (i < size)
 722                 buf[i] = '\0';
 723         return (ret < 0 && i == 0) ? ret : i;
 724 }
 725
 726 static int ebcdic_puts(BIO *bp, const char *str)
 727 {
 728         if (bp->next_bio == NULL) return(0);
 729         return ebcdic_write(bp, str, strlen(str));
 730 }
 731 #endif
 732
 733 #ifndef OPENSSL_NO_TLSEXT
 734
 735 /* This is a context that we pass to callbacks */
 736 typedef struct tlsextctx_st {
 737    char * servername;
 738    BIO * biodebug;
 739    int extension_error;
 740 } tlsextctx;
 741
 742
 743 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 744         {
 745         tlsextctx * p = (tlsextctx *) arg;
 746         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 747         if (servername && p->biodebug)
 748                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 749
 750         if (!p->servername)
 751                 return SSL_TLSEXT_ERR_NOACK;
 752
 753         if (servername)
 754                 {
 755                 if (strcmp(servername,p->servername))
 756                         return p->extension_error;
 757                 if (ctx2)
 758                         {
 759                         BIO_printf(p->biodebug,"Switching server context.\n");
 760                         SSL_set_SSL_CTX(s,ctx2);
 761                         }
 762                 }
 763         return SSL_TLSEXT_ERR_OK;
 764 }
 765
 766 /* Structure passed to cert status callback */
 767
 768 typedef struct tlsextstatusctx_st {
 769    /* Default responder to use */
 770    char *host, *path, *port;
 771    int use_ssl;
 772    int timeout;
 773    BIO *err;
 774    int verbose;
 775 } tlsextstatusctx;
 776
 777 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 778
 779 /* Certificate Status callback. This is called when a client includes a
 780  * certificate status request extension.
 781  *
 782  * This is a simplified version. It examines certificates each time and
 783  * makes one OCSP responder query for each request.
 784  *
 785  * A full version would store details such as the OCSP certificate IDs and
 786  * minimise the number of OCSP responses by caching them until they were
 787  * considered "expired".
 788  */
 789
 790 static int cert_status_cb(SSL *s, void *arg)
 791         {
 792         tlsextstatusctx *srctx = arg;
 793         BIO *err = srctx->err;
 794         char *host, *port, *path;
 795         int use_ssl;
 796         unsigned char *rspder = NULL;
 797         int rspderlen;
 798         STACK_OF(OPENSSL_STRING) *aia = NULL;
 799         X509 *x = NULL;
 800         X509_STORE_CTX inctx;
 801         X509_OBJECT obj;
 802         OCSP_REQUEST *req = NULL;
 803         OCSP_RESPONSE *resp = NULL;
 804         OCSP_CERTID *id = NULL;
 805         STACK_OF(X509_EXTENSION) *exts;
 806         int ret = SSL_TLSEXT_ERR_NOACK;
 807         int i;
 808 #if 0
 809 STACK_OF(OCSP_RESPID) *ids;
 810 SSL_get_tlsext_status_ids(s, &ids);
 811 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 812 #endif
 813         if (srctx->verbose)
 814                 BIO_puts(err, "cert_status: callback called\n");
 815         /* Build up OCSP query from server certificate */
 816         x = SSL_get_certificate(s);
 817         aia = X509_get1_ocsp(x);
 818         if (aia)
 819                 {
 820                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 821                         &host, &port, &path, &use_ssl))
 822                         {
 823                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 824                         goto err;
 825                         }
 826                 if (srctx->verbose)
 827                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 828                                         sk_OPENSSL_STRING_value(aia, 0));
 829                 }
 830         else
 831                 {
 832                 if (!srctx->host)
 833                         {
 834                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 835                         goto done;
 836                         }
 837                 host = srctx->host;
 838                 path = srctx->path;
 839                 port = srctx->port;
 840                 use_ssl = srctx->use_ssl;
 841                 }
 842
 843         if (!X509_STORE_CTX_init(&inctx,
 844                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 845                                 NULL, NULL))
 846                 goto err;
 847         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 848                                 X509_get_issuer_name(x),&obj) <= 0)
 849                 {
 850                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 851                 X509_STORE_CTX_cleanup(&inctx);
 852                 goto done;
 853                 }
 854         req = OCSP_REQUEST_new();
 855         if (!req)
 856                 goto err;
 857         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 858         X509_free(obj.data.x509);
 859         X509_STORE_CTX_cleanup(&inctx);
 860         if (!id)
 861                 goto err;
 862         if (!OCSP_request_add0_id(req, id))
 863                 goto err;
 864         id = NULL;
 865         /* Add any extensions to the request */
 866         SSL_get_tlsext_status_exts(s, &exts);
 867         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 868                 {
 869                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 870                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 871                         goto err;
 872                 }
 873         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 874                                         srctx->timeout);
 875         if (!resp)
 876                 {
 877                 BIO_puts(err, "cert_status: error querying responder\n");
 878                 goto done;
 879                 }
 880         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 881         if (rspderlen <= 0)
 882                 goto err;
 883         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 884         if (srctx->verbose)
 885                 {
 886                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 887                 OCSP_RESPONSE_print(err, resp, 2);
 888                 }
 889         ret = SSL_TLSEXT_ERR_OK;
 890         done:
 891         if (ret != SSL_TLSEXT_ERR_OK)
 892                 ERR_print_errors(err);
 893         if (aia)
 894                 {
 895                 OPENSSL_free(host);
 896                 OPENSSL_free(path);
 897                 OPENSSL_free(port);
 898                 X509_email_free(aia);
 899                 }
 900         if (id)
 901                 OCSP_CERTID_free(id);
 902         if (req)
 903                 OCSP_REQUEST_free(req);
 904         if (resp)
 905                 OCSP_RESPONSE_free(resp);
 906         return ret;
 907         err:
 908         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 909         goto done;
 910         }
 911
 912 # ifndef OPENSSL_NO_NEXTPROTONEG
 913 /* This is the context that we pass to next_proto_cb */
 914 typedef struct tlsextnextprotoctx_st {
 915         unsigned char *data;
 916         unsigned int len;
 917 } tlsextnextprotoctx;
 918
 919 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 920         {
 921         tlsextnextprotoctx *next_proto = arg;
 922
 923         *data = next_proto->data;
 924         *len = next_proto->len;
 925
 926         return SSL_TLSEXT_ERR_OK;
 927         }
 928 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 929
 930
 931 #endif
 932
 933 int MAIN(int, char **);
 934
 935 #ifndef OPENSSL_NO_JPAKE
 936 static char *jpake_secret = NULL;
 937 #endif
 938 #ifndef OPENSSL_NO_SRP
 939         static srpsrvparm srp_callback_parm;
 940 #endif
 941 static char *srtp_profiles = NULL;
 942
 943 int MAIN(int argc, char *argv[])
 944         {
 945         X509_VERIFY_PARAM *vpm = NULL;
 946         int badarg = 0;
 947         short port=PORT;
 948         char *CApath=NULL,*CAfile=NULL;
 949         char *chCApath=NULL,*chCAfile=NULL;
 950         char *vfyCApath=NULL,*vfyCAfile=NULL;
 951         unsigned char *context = NULL;
 952         char *dhfile = NULL;
 953 #ifndef OPENSSL_NO_ECDH
 954         char *named_curve = NULL;
 955 #endif
 956         int badop=0,bugs=0;
 957         int ret=1;
 958         int off=0;
 959         unsigned int cert_flags = 0;
 960         int build_chain = 0;
 961         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 962         int state=0;
 963         const SSL_METHOD *meth=NULL;
 964         int socket_type=SOCK_STREAM;
 965         ENGINE *e=NULL;
 966         char *inrand=NULL;
 967         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 968         char *passarg = NULL, *pass = NULL;
 969         char *dpassarg = NULL, *dpass = NULL;
 970         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 971         X509 *s_cert = NULL, *s_dcert = NULL;
 972         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 973         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 974         int no_cache = 0;
 975 #ifndef OPENSSL_NO_TLSEXT
 976         EVP_PKEY *s_key2 = NULL;
 977         X509 *s_cert2 = NULL;
 978         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 979 # ifndef OPENSSL_NO_NEXTPROTONEG
 980         const char *next_proto_neg_in = NULL;
 981         tlsextnextprotoctx next_proto;
 982 # endif
 983 #endif
 984 #ifndef OPENSSL_NO_PSK
 985         /* by default do not send a PSK identity hint */
 986         static char *psk_identity_hint=NULL;
 987 #endif
 988 #ifndef OPENSSL_NO_SRP
 989         char *srpuserseed = NULL;
 990         char *srp_verifier_file = NULL;
 991 #endif
 992         SSL_EXCERT *exc = NULL;
 993         meth=SSLv23_server_method();
 994
 995         local_argc=argc;
 996         local_argv=argv;
 997
 998         apps_startup();
 999 #ifdef MONOLITH
1000         s_server_init();
1001 #endif
1002
1003         if (bio_err == NULL)
1004                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1005
1006         if (!load_config(bio_err, NULL))
1007                 goto end;
1008
1009         verify_depth=0;
1010 #ifdef FIONBIO
1011         s_nbio=0;
1012 #endif
1013         s_nbio_test=0;
1014
1015         argc--;
1016         argv++;
1017
1018         while (argc >= 1)
1019                 {
1020                 if      ((strcmp(*argv,"-port") == 0) ||
1021                          (strcmp(*argv,"-accept") == 0))
1022                         {
1023                         if (--argc < 1) goto bad;
1024                         if (!extract_port(*(++argv),&port))
1025                                 goto bad;
1026                         }
1027                 else if (strcmp(*argv,"-verify") == 0)
1028                         {
1029                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1030                         if (--argc < 1) goto bad;
1031                         verify_depth=atoi(*(++argv));
1032                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1033                         }
1034                 else if (strcmp(*argv,"-Verify") == 0)
1035                         {
1036                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1037                                 SSL_VERIFY_CLIENT_ONCE;
1038                         if (--argc < 1) goto bad;
1039                         verify_depth=atoi(*(++argv));
1040                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1041                         }
1042                 else if (strcmp(*argv,"-context") == 0)
1043                         {
1044                         if (--argc < 1) goto bad;
1045                         context= (unsigned char *)*(++argv);
1046                         }
1047                 else if (strcmp(*argv,"-cert") == 0)
1048                         {
1049                         if (--argc < 1) goto bad;
1050                         s_cert_file= *(++argv);
1051                         }
1052 #ifndef OPENSSL_NO_TLSEXT
1053                 else if (strcmp(*argv,"-authz") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         s_authz_file = *(++argv);
1057                         }
1058 #endif
1059                 else if (strcmp(*argv,"-certform") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         s_cert_format = str2fmt(*(++argv));
1063                         }
1064                 else if (strcmp(*argv,"-key") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         s_key_file= *(++argv);
1068                         }
1069                 else if (strcmp(*argv,"-keyform") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         s_key_format = str2fmt(*(++argv));
1073                         }
1074                 else if (strcmp(*argv,"-pass") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         passarg = *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-cert_chain") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         s_chain_file= *(++argv);
1083                         }
1084                 else if (strcmp(*argv,"-dhparam") == 0)
1085                         {
1086                         if (--argc < 1) goto bad;
1087                         dhfile = *(++argv);
1088                         }
1089 #ifndef OPENSSL_NO_ECDH
1090                 else if (strcmp(*argv,"-named_curve") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         named_curve = *(++argv);
1094                         }
1095 #endif
1096                 else if (strcmp(*argv,"-dcertform") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_dcert_format = str2fmt(*(++argv));
1100                         }
1101                 else if (strcmp(*argv,"-dcert") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         s_dcert_file= *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-dkeyform") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         s_dkey_format = str2fmt(*(++argv));
1110                         }
1111                 else if (strcmp(*argv,"-dpass") == 0)
1112                         {
1113                         if (--argc < 1) goto bad;
1114                         dpassarg = *(++argv);
1115                         }
1116                 else if (strcmp(*argv,"-dkey") == 0)
1117                         {
1118                         if (--argc < 1) goto bad;
1119                         s_dkey_file= *(++argv);
1120                         }
1121                 else if (strcmp(*argv,"-dcert_chain") == 0)
1122                         {
1123                         if (--argc < 1) goto bad;
1124                         s_dchain_file= *(++argv);
1125                         }
1126                 else if (strcmp(*argv,"-nocert") == 0)
1127                         {
1128                         nocert=1;
1129                         }
1130                 else if (strcmp(*argv,"-CApath") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         CApath= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-chainCApath") == 0)
1136                         {
1137                         if (--argc < 1) goto bad;
1138                         chCApath= *(++argv);
1139                         }
1140                 else if (strcmp(*argv,"-verifyCApath") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         vfyCApath= *(++argv);
1144                         }
1145                 else if (strcmp(*argv,"-no_cache") == 0)
1146                         no_cache = 1;
1147                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1148                         {
1149                         if (badarg)
1150                                 goto bad;
1151                         continue;
1152                         }
1153                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1154                         {
1155                         if (badarg)
1156                                 goto bad;
1157                         continue;
1158                         }
1159                 else if (strcmp(*argv,"-verify_return_error") == 0)
1160                         verify_return_error = 1;
1161                 else if (strcmp(*argv,"-serverpref") == 0)
1162                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1163                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1164                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1165                 else if (strcmp(*argv,"-cipher") == 0)
1166                         {
1167                         if (--argc < 1) goto bad;
1168                         cipher= *(++argv);
1169                         }
1170                 else if (strcmp(*argv,"-build_chain") == 0)
1171                         build_chain = 1;
1172                 else if (strcmp(*argv,"-CAfile") == 0)
1173                         {
1174                         if (--argc < 1) goto bad;
1175                         CAfile= *(++argv);
1176                         }
1177                 else if (strcmp(*argv,"-chainCAfile") == 0)
1178                         {
1179                         if (--argc < 1) goto bad;
1180                         chCAfile= *(++argv);
1181                         }
1182                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1183                         {
1184                         if (--argc < 1) goto bad;
1185                         vfyCAfile= *(++argv);
1186                         }
1187 #ifdef FIONBIO
1188                 else if (strcmp(*argv,"-nbio") == 0)
1189                         { s_nbio=1; }
1190 #endif
1191                 else if (strcmp(*argv,"-nbio_test") == 0)
1192                         {
1193 #ifdef FIONBIO
1194                         s_nbio=1;
1195 #endif
1196                         s_nbio_test=1;
1197                         }
1198                 else if (strcmp(*argv,"-debug") == 0)
1199                         { s_debug=1; }
1200 #ifndef OPENSSL_NO_TLSEXT
1201                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1202                         s_tlsextdebug=1;
1203                 else if (strcmp(*argv,"-status") == 0)
1204                         s_tlsextstatus=1;
1205                 else if (strcmp(*argv,"-status_verbose") == 0)
1206                         {
1207                         s_tlsextstatus=1;
1208                         tlscstatp.verbose = 1;
1209                         }
1210                 else if (!strcmp(*argv, "-status_timeout"))
1211                         {
1212                         s_tlsextstatus=1;
1213                         if (--argc < 1) goto bad;
1214                         tlscstatp.timeout = atoi(*(++argv));
1215                         }
1216                 else if (!strcmp(*argv, "-status_url"))
1217                         {
1218                         s_tlsextstatus=1;
1219                         if (--argc < 1) goto bad;
1220                         if (!OCSP_parse_url(*(++argv),
1221                                         &tlscstatp.host,
1222                                         &tlscstatp.port,
1223                                         &tlscstatp.path,
1224                                         &tlscstatp.use_ssl))
1225                                 {
1226                                 BIO_printf(bio_err, "Error parsing URL\n");
1227                                 goto bad;
1228                                 }
1229                         }
1230                 else if (strcmp(*argv,"-curves") == 0)
1231                         {
1232                         if (--argc < 1) goto bad;
1233                         curves= *(++argv);
1234                         }
1235                 else if (strcmp(*argv,"-sigalgs") == 0)
1236                         {
1237                         if (--argc < 1) goto bad;
1238                         sigalgs= *(++argv);
1239                         }
1240                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1241                         {
1242                         if (--argc < 1) goto bad;
1243                         client_sigalgs= *(++argv);
1244                         }
1245 #endif
1246                 else if (strcmp(*argv,"-msg") == 0)
1247                         { s_msg=1; }
1248                 else if (strcmp(*argv,"-msgfile") == 0)
1249                         {
1250                         if (--argc < 1) goto bad;
1251                         bio_s_msg = BIO_new_file(*(++argv), "w");
1252                         }
1253 #ifndef OPENSSL_NO_SSL_TRACE
1254                 else if (strcmp(*argv,"-trace") == 0)
1255                         { s_msg=2; }
1256 #endif
1257                 else if (strcmp(*argv,"-hack") == 0)
1258                         { hack=1; }
1259                 else if (strcmp(*argv,"-state") == 0)
1260                         { state=1; }
1261                 else if (strcmp(*argv,"-crlf") == 0)
1262                         { s_crlf=1; }
1263                 else if (strcmp(*argv,"-quiet") == 0)
1264                         { s_quiet=1; }
1265                 else if (strcmp(*argv,"-bugs") == 0)
1266                         { bugs=1; }
1267                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1268                         { no_tmp_rsa=1; }
1269                 else if (strcmp(*argv,"-no_dhe") == 0)
1270                         { no_dhe=1; }
1271                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1272                         { no_ecdhe=1; }
1273 #ifndef OPENSSL_NO_PSK
1274                 else if (strcmp(*argv,"-psk_hint") == 0)
1275                         {
1276                         if (--argc < 1) goto bad;
1277                         psk_identity_hint= *(++argv);
1278                         }
1279                 else if (strcmp(*argv,"-psk") == 0)
1280                         {
1281                         size_t i;
1282
1283                         if (--argc < 1) goto bad;
1284                         psk_key=*(++argv);
1285                         for (i=0; i<strlen(psk_key); i++)
1286                                 {
1287                                 if (isxdigit((unsigned char)psk_key[i]))
1288                                         continue;
1289                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1290                                 goto bad;
1291                                 }
1292                         }
1293 #endif
1294 #ifndef OPENSSL_NO_SRP
1295                 else if (strcmp(*argv, "-srpvfile") == 0)
1296                         {
1297                         if (--argc < 1) goto bad;
1298                         srp_verifier_file = *(++argv);
1299                         meth = TLSv1_server_method();
1300                         }
1301                 else if (strcmp(*argv, "-srpuserseed") == 0)
1302                         {
1303                         if (--argc < 1) goto bad;
1304                         srpuserseed = *(++argv);
1305                         meth = TLSv1_server_method();
1306                         }
1307 #endif
1308                 else if (strcmp(*argv,"-www") == 0)
1309                         { www=1; }
1310                 else if (strcmp(*argv,"-WWW") == 0)
1311                         { www=2; }
1312                 else if (strcmp(*argv,"-HTTP") == 0)
1313                         { www=3; }
1314                 else if (strcmp(*argv,"-no_ssl2") == 0)
1315                         { off|=SSL_OP_NO_SSLv2; }
1316                 else if (strcmp(*argv,"-no_ssl3") == 0)
1317                         { off|=SSL_OP_NO_SSLv3; }
1318                 else if (strcmp(*argv,"-no_tls1") == 0)
1319                         { off|=SSL_OP_NO_TLSv1; }
1320                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1321                         { off|=SSL_OP_NO_TLSv1_1; }
1322                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1323                         { off|=SSL_OP_NO_TLSv1_2; }
1324                 else if (strcmp(*argv,"-no_comp") == 0)
1325                         { off|=SSL_OP_NO_COMPRESSION; }
1326 #ifndef OPENSSL_NO_TLSEXT
1327                 else if (strcmp(*argv,"-no_ticket") == 0)
1328                         { off|=SSL_OP_NO_TICKET; }
1329 #endif
1330 #ifndef OPENSSL_NO_SSL2
1331                 else if (strcmp(*argv,"-ssl2") == 0)
1332                         { meth=SSLv2_server_method(); }
1333 #endif
1334 #ifndef OPENSSL_NO_SSL3
1335                 else if (strcmp(*argv,"-ssl3") == 0)
1336                         { meth=SSLv3_server_method(); }
1337 #endif
1338 #ifndef OPENSSL_NO_TLS1
1339                 else if (strcmp(*argv,"-tls1") == 0)
1340                         { meth=TLSv1_server_method(); }
1341                 else if (strcmp(*argv,"-tls1_1") == 0)
1342                         { meth=TLSv1_1_server_method(); }
1343                 else if (strcmp(*argv,"-tls1_2") == 0)
1344                         { meth=TLSv1_2_server_method(); }
1345 #endif
1346 #ifndef OPENSSL_NO_DTLS1
1347                 else if (strcmp(*argv,"-dtls1") == 0)
1348                         {
1349                         meth=DTLSv1_server_method();
1350                         socket_type = SOCK_DGRAM;
1351                         }
1352                 else if (strcmp(*argv,"-timeout") == 0)
1353                         enable_timeouts = 1;
1354                 else if (strcmp(*argv,"-mtu") == 0)
1355                         {
1356                         if (--argc < 1) goto bad;
1357                         socket_mtu = atol(*(++argv));
1358                         }
1359                 else if (strcmp(*argv, "-chain") == 0)
1360                         cert_chain = 1;
1361 #endif
1362                 else if (strcmp(*argv, "-id_prefix") == 0)
1363                         {
1364                         if (--argc < 1) goto bad;
1365                         session_id_prefix = *(++argv);
1366                         }
1367 #ifndef OPENSSL_NO_ENGINE
1368                 else if (strcmp(*argv,"-engine") == 0)
1369                         {
1370                         if (--argc < 1) goto bad;
1371                         engine_id= *(++argv);
1372                         }
1373 #endif
1374                 else if (strcmp(*argv,"-rand") == 0)
1375                         {
1376                         if (--argc < 1) goto bad;
1377                         inrand= *(++argv);
1378                         }
1379 #ifndef OPENSSL_NO_TLSEXT
1380                 else if (strcmp(*argv,"-servername") == 0)
1381                         {
1382                         if (--argc < 1) goto bad;
1383                         tlsextcbp.servername= *(++argv);
1384                         }
1385                 else if (strcmp(*argv,"-servername_fatal") == 0)
1386                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1387                 else if (strcmp(*argv,"-cert2") == 0)
1388                         {
1389                         if (--argc < 1) goto bad;
1390                         s_cert_file2= *(++argv);
1391                         }
1392                 else if (strcmp(*argv,"-key2") == 0)
1393                         {
1394                         if (--argc < 1) goto bad;
1395                         s_key_file2= *(++argv);
1396                         }
1397 # ifndef OPENSSL_NO_NEXTPROTONEG
1398                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1399                         {
1400                         if (--argc < 1) goto bad;
1401                         next_proto_neg_in = *(++argv);
1402                         }
1403 # endif
1404 #endif
1405 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1406                 else if (strcmp(*argv,"-jpake") == 0)
1407                         {
1408                         if (--argc < 1) goto bad;
1409                         jpake_secret = *(++argv);
1410                         }
1411 #endif
1412                 else if (strcmp(*argv,"-use_srtp") == 0)
1413                         {
1414                         if (--argc < 1) goto bad;
1415                         srtp_profiles = *(++argv);
1416                         }
1417                 else if (strcmp(*argv,"-keymatexport") == 0)
1418                         {
1419                         if (--argc < 1) goto bad;
1420                         keymatexportlabel= *(++argv);
1421                         }
1422                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1423                         {
1424                         if (--argc < 1) goto bad;
1425                         keymatexportlen=atoi(*(++argv));
1426                         if (keymatexportlen == 0) goto bad;
1427                         }
1428                 else if (strcmp(*argv, "-cert_strict") == 0)
1429                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1430                 else
1431                         {
1432                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1433                         badop=1;
1434                         break;
1435                         }
1436                 argc--;
1437                 argv++;
1438                 }
1439         if (badop)
1440                 {
1441 bad:
1442                 sv_usage();
1443                 goto end;
1444                 }
1445
1446 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1447         if (jpake_secret)
1448                 {
1449                 if (psk_key)
1450                         {
1451                         BIO_printf(bio_err,
1452                                    "Can't use JPAKE and PSK together\n");
1453                         goto end;
1454                         }
1455                 psk_identity = "JPAKE";
1456                 if (cipher)
1457                         {
1458                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1459                         goto end;
1460                         }
1461                 cipher = "PSK";
1462                 }
1463
1464 #endif
1465
1466         SSL_load_error_strings();
1467         OpenSSL_add_ssl_algorithms();
1468
1469 #ifndef OPENSSL_NO_ENGINE
1470         e = setup_engine(bio_err, engine_id, 1);
1471 #endif
1472
1473         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1474                 {
1475                 BIO_printf(bio_err, "Error getting password\n");
1476                 goto end;
1477                 }
1478
1479
1480         if (s_key_file == NULL)
1481                 s_key_file = s_cert_file;
1482 #ifndef OPENSSL_NO_TLSEXT
1483         if (s_key_file2 == NULL)
1484                 s_key_file2 = s_cert_file2;
1485 #endif
1486
1487         if (!load_excert(&exc, bio_err))
1488                 goto end;
1489
1490         if (nocert == 0)
1491                 {
1492                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1493                        "server certificate private key file");
1494                 if (!s_key)
1495                         {
1496                         ERR_print_errors(bio_err);
1497                         goto end;
1498                         }
1499
1500                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1501                         NULL, e, "server certificate file");
1502
1503                 if (!s_cert)
1504                         {
1505                         ERR_print_errors(bio_err);
1506                         goto end;
1507                         }
1508                 if (s_chain_file)
1509                         {
1510                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1511                                         NULL, e, "server certificate chain");
1512                         if (!s_chain)
1513                                 goto end;
1514                         }
1515
1516 #ifndef OPENSSL_NO_TLSEXT
1517                 if (tlsextcbp.servername)
1518                         {
1519                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1520                                 "second server certificate private key file");
1521                         if (!s_key2)
1522                                 {
1523                                 ERR_print_errors(bio_err);
1524                                 goto end;
1525                                 }
1526
1527                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1528                                 NULL, e, "second server certificate file");
1529
1530                         if (!s_cert2)
1531                                 {
1532                                 ERR_print_errors(bio_err);
1533                                 goto end;
1534                                 }
1535                         }
1536 #endif /* OPENSSL_NO_TLSEXT */
1537                 }
1538
1539 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1540         if (next_proto_neg_in)
1541                 {
1542                 unsigned short len;
1543                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1544                 if (next_proto.data == NULL)
1545                         goto end;
1546                 next_proto.len = len;
1547                 }
1548         else
1549                 {
1550                 next_proto.data = NULL;
1551                 }
1552 #endif
1553
1554
1555         if (s_dcert_file)
1556                 {
1557
1558                 if (s_dkey_file == NULL)
1559                         s_dkey_file = s_dcert_file;
1560
1561                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1562                                 0, dpass, e,
1563                                "second certificate private key file");
1564                 if (!s_dkey)
1565                         {
1566                         ERR_print_errors(bio_err);
1567                         goto end;
1568                         }
1569
1570                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1571                                 NULL, e, "second server certificate file");
1572
1573                 if (!s_dcert)
1574                         {
1575                         ERR_print_errors(bio_err);
1576                         goto end;
1577                         }
1578                 if (s_dchain_file)
1579                         {
1580                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1581                                 NULL, e, "second server certificate chain");
1582                         if (!s_dchain)
1583                                 goto end;
1584                         }
1585
1586                 }
1587
1588         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1589                 && !RAND_status())
1590                 {
1591                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1592                 }
1593         if (inrand != NULL)
1594                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1595                         app_RAND_load_files(inrand));
1596
1597         if (bio_s_out == NULL)
1598                 {
1599                 if (s_quiet && !s_debug && !s_msg)
1600                         {
1601                         bio_s_out=BIO_new(BIO_s_null());
1602                         if (s_msg && !bio_s_msg)
1603                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1604                         }
1605                 else
1606                         {
1607                         if (bio_s_out == NULL)
1608                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1609                         }
1610                 }
1611
1612 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1613         if (nocert)
1614 #endif
1615                 {
1616                 s_cert_file=NULL;
1617                 s_key_file=NULL;
1618                 s_dcert_file=NULL;
1619                 s_dkey_file=NULL;
1620 #ifndef OPENSSL_NO_TLSEXT
1621                 s_cert_file2=NULL;
1622                 s_key_file2=NULL;
1623 #endif
1624                 }
1625
1626         ctx=SSL_CTX_new(meth);
1627         if (ctx == NULL)
1628                 {
1629                 ERR_print_errors(bio_err);
1630                 goto end;
1631                 }
1632         if (session_id_prefix)
1633                 {
1634                 if(strlen(session_id_prefix) >= 32)
1635                         BIO_printf(bio_err,
1636 "warning: id_prefix is too long, only one new session will be possible\n");
1637                 else if(strlen(session_id_prefix) >= 16)
1638                         BIO_printf(bio_err,
1639 "warning: id_prefix is too long if you use SSLv2\n");
1640                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1641                         {
1642                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1643                         ERR_print_errors(bio_err);
1644                         goto end;
1645                         }
1646                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1647                 }
1648         SSL_CTX_set_quiet_shutdown(ctx,1);
1649         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1650         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1651         SSL_CTX_set_options(ctx,off);
1652         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1653         if (exc) ssl_ctx_set_excert(ctx, exc);
1654         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1655          * Setting read ahead solves this problem.
1656          */
1657         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1658
1659         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1660         if (no_cache)
1661                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1662         else
1663                 SSL_CTX_sess_set_cache_size(ctx,128);
1664
1665         if (srtp_profiles != NULL)
1666                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1667
1668 #if 0
1669         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1670 #endif
1671
1672 #if 0
1673         if (s_cert_file == NULL)
1674                 {
1675                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1676                 goto end;
1677                 }
1678 #endif
1679
1680         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1681                 (!SSL_CTX_set_default_verify_paths(ctx)))
1682                 {
1683                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1684                 ERR_print_errors(bio_err);
1685                 /* goto end; */
1686                 }
1687         if (vpm)
1688                 SSL_CTX_set1_param(ctx, vpm);
1689
1690         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1691                 {
1692                 BIO_printf(bio_err, "Error loading store locations\n");
1693                 ERR_print_errors(bio_err);
1694                 goto end;
1695                 }
1696
1697 #ifndef OPENSSL_NO_TLSEXT
1698         if (s_cert2)
1699                 {
1700                 ctx2=SSL_CTX_new(meth);
1701                 if (ctx2 == NULL)
1702                         {
1703                         ERR_print_errors(bio_err);
1704                         goto end;
1705                         }
1706                 }
1707
1708         if (ctx2)
1709                 {
1710                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1711
1712                 if (session_id_prefix)
1713                         {
1714                         if(strlen(session_id_prefix) >= 32)
1715                                 BIO_printf(bio_err,
1716                                         "warning: id_prefix is too long, only one new session will be possible\n");
1717                         else if(strlen(session_id_prefix) >= 16)
1718                                 BIO_printf(bio_err,
1719                                         "warning: id_prefix is too long if you use SSLv2\n");
1720                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1721                                 {
1722                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1723                                 ERR_print_errors(bio_err);
1724                                 goto end;
1725                                 }
1726                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1727                         }
1728                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1729                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1730                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1731                 SSL_CTX_set_options(ctx2,off);
1732                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1733                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1734                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1735                  * Setting read ahead solves this problem.
1736                  */
1737                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1738
1739                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1740
1741                 if (no_cache)
1742                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1743                 else
1744                         SSL_CTX_sess_set_cache_size(ctx2,128);
1745
1746                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1747                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1748                         {
1749                         ERR_print_errors(bio_err);
1750                         }
1751                 if (vpm)
1752                         SSL_CTX_set1_param(ctx2, vpm);
1753                 }
1754
1755 # ifndef OPENSSL_NO_NEXTPROTONEG
1756         if (next_proto.data)
1757                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1758 # endif
1759 #endif
1760
1761 #ifndef OPENSSL_NO_DH
1762         if (!no_dhe)
1763                 {
1764                 DH *dh=NULL;
1765
1766                 if (dhfile)
1767                         dh = load_dh_param(dhfile);
1768                 else if (s_cert_file)
1769                         dh = load_dh_param(s_cert_file);
1770
1771                 if (dh != NULL)
1772                         {
1773                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1774                         }
1775                 else
1776                         {
1777                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1778                         dh=get_dh512();
1779                         }
1780                 (void)BIO_flush(bio_s_out);
1781
1782                 SSL_CTX_set_tmp_dh(ctx,dh);
1783 #ifndef OPENSSL_NO_TLSEXT
1784                 if (ctx2)
1785                         {
1786                         if (!dhfile)
1787                                 {
1788                                 DH *dh2=load_dh_param(s_cert_file2);
1789                                 if (dh2 != NULL)
1790                                         {
1791                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1792                                         (void)BIO_flush(bio_s_out);
1793
1794                                         DH_free(dh);
1795                                         dh = dh2;
1796                                         }
1797                                 }
1798                         SSL_CTX_set_tmp_dh(ctx2,dh);
1799                         }
1800 #endif
1801                 DH_free(dh);
1802                 }
1803 #endif
1804
1805 #ifndef OPENSSL_NO_ECDH
1806         if (!no_ecdhe)
1807                 {
1808                 EC_KEY *ecdh=NULL;
1809
1810                 if (named_curve && strcmp(named_curve, "auto"))
1811                         {
1812                         int nid = EC_curve_nist2nid(named_curve);
1813                         if (nid == NID_undef)
1814                                 nid = OBJ_sn2nid(named_curve);
1815                         if (nid == 0)
1816                                 {
1817                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1818                                         named_curve);
1819                                 goto end;
1820                                 }
1821                         ecdh = EC_KEY_new_by_curve_name(nid);
1822                         if (ecdh == NULL)
1823                                 {
1824                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1825                                         named_curve);
1826                                 goto end;
1827                                 }
1828                         }
1829
1830                 if (ecdh != NULL)
1831                         {
1832                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1833                         }
1834                 else if (named_curve)
1835                         SSL_CTX_set_ecdh_auto(ctx, 1);
1836                 else
1837                         {
1838                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1839                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1840                         if (ecdh == NULL)
1841                                 {
1842                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1843                                 goto end;
1844                                 }
1845                         }
1846                 (void)BIO_flush(bio_s_out);
1847
1848                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1849 #ifndef OPENSSL_NO_TLSEXT
1850                 if (ctx2)
1851                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1852 #endif
1853                 EC_KEY_free(ecdh);
1854                 }
1855 #endif
1856
1857         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1858                 goto end;
1859 #ifndef OPENSSL_NO_TLSEXT
1860         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1861                 goto end;
1862 #endif
1863 #ifndef OPENSSL_NO_TLSEXT
1864         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1865                 goto end;
1866 #endif
1867         if (s_dcert != NULL)
1868                 {
1869                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1870                         goto end;
1871                 }
1872
1873 #ifndef OPENSSL_NO_RSA
1874 #if 1
1875         if (!no_tmp_rsa)
1876                 {
1877                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1878 #ifndef OPENSSL_NO_TLSEXT
1879                 if (ctx2)
1880                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1881 #endif
1882                 }
1883 #else
1884         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1885                 {
1886                 RSA *rsa;
1887
1888                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1889                 BIO_flush(bio_s_out);
1890
1891                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1892
1893                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1894                         {
1895                         ERR_print_errors(bio_err);
1896                         goto end;
1897                         }
1898 #ifndef OPENSSL_NO_TLSEXT
1899                         if (ctx2)
1900                                 {
1901                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1902                                         {
1903                                         ERR_print_errors(bio_err);
1904                                         goto end;
1905                                         }
1906                                 }
1907 #endif
1908                 RSA_free(rsa);
1909                 BIO_printf(bio_s_out,"\n");
1910                 }
1911 #endif
1912 #endif
1913
1914 #ifndef OPENSSL_NO_PSK
1915 #ifdef OPENSSL_NO_JPAKE
1916         if (psk_key != NULL)
1917 #else
1918         if (psk_key != NULL || jpake_secret)
1919 #endif
1920                 {
1921                 if (s_debug)
1922                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1923                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1924                 }
1925
1926         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1927                 {
1928                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1929                 ERR_print_errors(bio_err);
1930                 goto end;
1931                 }
1932 #endif
1933
1934         if (cipher != NULL)
1935                 {
1936                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1937                         {
1938                         BIO_printf(bio_err,"error setting cipher list\n");
1939                         ERR_print_errors(bio_err);
1940                         goto end;
1941                         }
1942 #ifndef OPENSSL_NO_TLSEXT
1943                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1944                         {
1945                         BIO_printf(bio_err,"error setting cipher list\n");
1946                         ERR_print_errors(bio_err);
1947                         goto end;
1948                         }
1949 #endif
1950                 }
1951 #ifndef OPENSSL_NO_TLSEXT
1952         if (curves)
1953                 {
1954                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1955                         {
1956                         BIO_printf(bio_err,"error setting curves list\n");
1957                         ERR_print_errors(bio_err);
1958                         goto end;
1959                         }
1960                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1961                         {
1962                         BIO_printf(bio_err,"error setting curves list\n");
1963                         ERR_print_errors(bio_err);
1964                         goto end;
1965                         }
1966                 }
1967         if (sigalgs)
1968                 {
1969                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1970                         {
1971                         BIO_printf(bio_err,"error setting signature algorithms\n");
1972                         ERR_print_errors(bio_err);
1973                         goto end;
1974                         }
1975                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
1976                         {
1977                         BIO_printf(bio_err,"error setting signature algorithms\n");
1978                         ERR_print_errors(bio_err);
1979                         goto end;
1980                         }
1981                 }
1982         if (client_sigalgs)
1983                 {
1984                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
1985                         {
1986                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1987                         ERR_print_errors(bio_err);
1988                         goto end;
1989                         }
1990                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
1991                         {
1992                         BIO_printf(bio_err,"error setting client signature algorithms\n");
1993                         ERR_print_errors(bio_err);
1994                         goto end;
1995                         }
1996                 }
1997 #endif
1998         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1999         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2000                 sizeof s_server_session_id_context);
2001
2002         /* Set DTLS cookie generation and verification callbacks */
2003         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2004         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2005
2006 #ifndef OPENSSL_NO_TLSEXT
2007         if (ctx2)
2008                 {
2009                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2010                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2011                         sizeof s_server_session_id_context);
2012
2013                 tlsextcbp.biodebug = bio_s_out;
2014                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2015                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2016                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2017                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2018                 }
2019 #endif
2020
2021 #ifndef OPENSSL_NO_SRP
2022         if (srp_verifier_file != NULL)
2023                 {
2024                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2025                 srp_callback_parm.user = NULL;
2026                 srp_callback_parm.login = NULL;
2027                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2028                         {
2029                         BIO_printf(bio_err,
2030                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2031                                    srp_verifier_file, ret);
2032                                 goto end;
2033                         }
2034                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2035                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2036                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2037                 }
2038         else
2039 #endif
2040         if (CAfile != NULL)
2041                 {
2042                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2043 #ifndef OPENSSL_NO_TLSEXT
2044                 if (ctx2)
2045                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2046 #endif
2047                 }
2048
2049         BIO_printf(bio_s_out,"ACCEPT\n");
2050         (void)BIO_flush(bio_s_out);
2051         if (www)
2052                 do_server(port,socket_type,&accept_socket,www_body, context);
2053         else
2054                 do_server(port,socket_type,&accept_socket,sv_body, context);
2055         print_stats(bio_s_out,ctx);
2056         ret=0;
2057 end:
2058         if (ctx != NULL) SSL_CTX_free(ctx);
2059         if (s_cert)
2060                 X509_free(s_cert);
2061         if (s_dcert)
2062                 X509_free(s_dcert);
2063         if (s_key)
2064                 EVP_PKEY_free(s_key);
2065         if (s_dkey)
2066                 EVP_PKEY_free(s_dkey);
2067         if (s_chain)
2068                 sk_X509_pop_free(s_chain, X509_free);
2069         if (s_dchain)
2070                 sk_X509_pop_free(s_dchain, X509_free);
2071         if (pass)
2072                 OPENSSL_free(pass);
2073         if (dpass)
2074                 OPENSSL_free(dpass);
2075         if (vpm)
2076                 X509_VERIFY_PARAM_free(vpm);
2077 #ifndef OPENSSL_NO_TLSEXT
2078         if (tlscstatp.host)
2079                 OPENSSL_free(tlscstatp.host);
2080         if (tlscstatp.port)
2081                 OPENSSL_free(tlscstatp.port);
2082         if (tlscstatp.path)
2083                 OPENSSL_free(tlscstatp.path);
2084         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2085         if (s_cert2)
2086                 X509_free(s_cert2);
2087         if (s_key2)
2088                 EVP_PKEY_free(s_key2);
2089         if (authz_in != NULL)
2090                 BIO_free(authz_in);
2091 #endif
2092         ssl_excert_free(exc);
2093         if (bio_s_out != NULL)
2094                 {
2095                 BIO_free(bio_s_out);
2096                 bio_s_out=NULL;
2097                 }
2098         if (bio_s_msg != NULL)
2099                 {
2100                 BIO_free(bio_s_msg);
2101                 bio_s_msg = NULL;
2102                 }
2103         apps_shutdown();
2104         OPENSSL_EXIT(ret);
2105         }
2106
2107 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2108         {
2109         BIO_printf(bio,"%4ld items in the session cache\n",
2110                 SSL_CTX_sess_number(ssl_ctx));
2111         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2112                 SSL_CTX_sess_connect(ssl_ctx));
2113         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2114                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2115         BIO_printf(bio,"%4ld client connects that finished\n",
2116                 SSL_CTX_sess_connect_good(ssl_ctx));
2117         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2118                 SSL_CTX_sess_accept(ssl_ctx));
2119         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2120                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2121         BIO_printf(bio,"%4ld server accepts that finished\n",
2122                 SSL_CTX_sess_accept_good(ssl_ctx));
2123         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2124         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2125         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2126         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2127         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2128                 SSL_CTX_sess_cache_full(ssl_ctx),
2129                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2130         }
2131
2132 static int sv_body(char *hostname, int s, unsigned char *context)
2133         {
2134         char *buf=NULL;
2135         fd_set readfds;
2136         int ret=1,width;
2137         int k,i;
2138         unsigned long l;
2139         SSL *con=NULL;
2140         BIO *sbio;
2141 #ifndef OPENSSL_NO_KRB5
2142         KSSL_CTX *kctx;
2143 #endif
2144         struct timeval timeout;
2145 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2146         struct timeval tv;
2147 #else
2148         struct timeval *timeoutp;
2149 #endif
2150
2151         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2152                 {
2153                 BIO_printf(bio_err,"out of memory\n");
2154                 goto err;
2155                 }
2156 #ifdef FIONBIO
2157         if (s_nbio)
2158                 {
2159                 unsigned long sl=1;
2160
2161                 if (!s_quiet)
2162                         BIO_printf(bio_err,"turning on non blocking io\n");
2163                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2164                         ERR_print_errors(bio_err);
2165                 }
2166 #endif
2167
2168         if (con == NULL) {
2169                 con=SSL_new(ctx);
2170 #ifndef OPENSSL_NO_TLSEXT
2171         if (s_tlsextdebug)
2172                 {
2173                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2174                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2175                 }
2176         if (s_tlsextstatus)
2177                 {
2178                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2179                 tlscstatp.err = bio_err;
2180                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2181                 }
2182 #endif
2183 #ifndef OPENSSL_NO_KRB5
2184                 if ((kctx = kssl_ctx_new()) != NULL)
2185                         {
2186                         SSL_set0_kssl_ctx(con, kctx);
2187                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2188                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2189                         }
2190 #endif  /* OPENSSL_NO_KRB5 */
2191                 if(context)
2192                       SSL_set_session_id_context(con, context,
2193                                                  strlen((char *)context));
2194         }
2195         SSL_clear(con);
2196 #if 0
2197 #ifdef TLSEXT_TYPE_opaque_prf_input
2198         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2199 #endif
2200 #endif
2201
2202         if (SSL_version(con) == DTLS1_VERSION)
2203                 {
2204
2205                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2206
2207                 if (enable_timeouts)
2208                         {
2209                         timeout.tv_sec = 0;
2210                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2211                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2212
2213                         timeout.tv_sec = 0;
2214                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2215                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2216                         }
2217
2218                 if (socket_mtu > 28)
2219                         {
2220                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2221                         SSL_set_mtu(con, socket_mtu - 28);
2222                         }
2223                 else
2224                         /* want to do MTU discovery */
2225                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2226
2227         /* turn on cookie exchange */
2228         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2229                 }
2230         else
2231                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2232
2233         if (s_nbio_test)
2234                 {
2235                 BIO *test;
2236
2237                 test=BIO_new(BIO_f_nbio_test());
2238                 sbio=BIO_push(test,sbio);
2239                 }
2240 #ifndef OPENSSL_NO_JPAKE
2241         if(jpake_secret)
2242                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2243 #endif
2244
2245         SSL_set_bio(con,sbio,sbio);
2246         SSL_set_accept_state(con);
2247         /* SSL_set_fd(con,s); */
2248
2249         if (s_debug)
2250                 {
2251                 SSL_set_debug(con, 1);
2252                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2253                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2254                 }
2255         if (s_msg)
2256                 {
2257 #ifndef OPENSSL_NO_SSL_TRACE
2258                 if (s_msg == 2)
2259                         SSL_set_msg_callback(con, SSL_trace);
2260                 else
2261 #endif
2262                         SSL_set_msg_callback(con, msg_cb);
2263                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2264                 }
2265 #ifndef OPENSSL_NO_TLSEXT
2266         if (s_tlsextdebug)
2267                 {
2268                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2269                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2270                 }
2271 #endif
2272
2273         width=s+1;
2274         for (;;)
2275                 {
2276                 int read_from_terminal;
2277                 int read_from_sslcon;
2278
2279                 read_from_terminal = 0;
2280                 read_from_sslcon = SSL_pending(con);
2281
2282                 if (!read_from_sslcon)
2283                         {
2284                         FD_ZERO(&readfds);
2285 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2286                         openssl_fdset(fileno(stdin),&readfds);
2287 #endif
2288                         openssl_fdset(s,&readfds);
2289                         /* Note: under VMS with SOCKETSHR the second parameter is
2290                          * currently of type (int *) whereas under other systems
2291                          * it is (void *) if you don't have a cast it will choke
2292                          * the compiler: if you do have a cast then you can either
2293                          * go for (int *) or (void *).
2294                          */
2295 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2296                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2297                          * on sockets. As a workaround we timeout the select every
2298                          * second and check for any keypress. In a proper Windows
2299                          * application we wouldn't do this because it is inefficient.
2300                          */
2301                         tv.tv_sec = 1;
2302                         tv.tv_usec = 0;
2303                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2304                         if((i < 0) || (!i && !_kbhit() ) )continue;
2305                         if(_kbhit())
2306                                 read_from_terminal = 1;
2307 #elif defined(OPENSSL_SYS_BEOS_R5)
2308                         /* Under BeOS-R5 the situation is similar to DOS */
2309                         tv.tv_sec = 1;
2310                         tv.tv_usec = 0;
2311                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2312                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2313                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2314                                 continue;
2315                         if (read(fileno(stdin), buf, 0) >= 0)
2316                                 read_from_terminal = 1;
2317                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2318 #else
2319                         if ((SSL_version(con) == DTLS1_VERSION) &&
2320                                 DTLSv1_get_timeout(con, &timeout))
2321                                 timeoutp = &timeout;
2322                         else
2323                                 timeoutp = NULL;
2324
2325                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2326
2327                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2328                                 {
2329                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2330                                 }
2331
2332                         if (i <= 0) continue;
2333                         if (FD_ISSET(fileno(stdin),&readfds))
2334                                 read_from_terminal = 1;
2335 #endif
2336                         if (FD_ISSET(s,&readfds))
2337                                 read_from_sslcon = 1;
2338                         }
2339                 if (read_from_terminal)
2340                         {
2341                         if (s_crlf)
2342                                 {
2343                                 int j, lf_num;
2344
2345                                 i=raw_read_stdin(buf, bufsize/2);
2346                                 lf_num = 0;
2347                                 /* both loops are skipped when i <= 0 */
2348                                 for (j = 0; j < i; j++)
2349                                         if (buf[j] == '\n')
2350                                                 lf_num++;
2351                                 for (j = i-1; j >= 0; j--)
2352                                         {
2353                                         buf[j+lf_num] = buf[j];
2354                                         if (buf[j] == '\n')
2355                                                 {
2356                                                 lf_num--;
2357                                                 i++;
2358                                                 buf[j+lf_num] = '\r';
2359                                                 }
2360                                         }
2361                                 assert(lf_num == 0);
2362                                 }
2363                         else
2364                                 i=raw_read_stdin(buf,bufsize);
2365                         if (!s_quiet)
2366                                 {
2367                                 if ((i <= 0) || (buf[0] == 'Q'))
2368                                         {
2369                                         BIO_printf(bio_s_out,"DONE\n");
2370                                         SHUTDOWN(s);
2371                                         close_accept_socket();
2372                                         ret= -11;
2373                                         goto err;
2374                                         }
2375                                 if ((i <= 0) || (buf[0] == 'q'))
2376                                         {
2377                                         BIO_printf(bio_s_out,"DONE\n");
2378                                         if (SSL_version(con) != DTLS1_VERSION)
2379                         SHUTDOWN(s);
2380         /*                              close_accept_socket();
2381                                         ret= -11;*/
2382                                         goto err;
2383                                         }
2384
2385 #ifndef OPENSSL_NO_HEARTBEATS
2386                                 if ((buf[0] == 'B') &&
2387                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2388                                         {
2389                                         BIO_printf(bio_err,"HEARTBEATING\n");
2390                                         SSL_heartbeat(con);
2391                                         i=0;
2392                                         continue;
2393                                         }
2394 #endif
2395                                 if ((buf[0] == 'r') &&
2396                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2397                                         {
2398                                         SSL_renegotiate(con);
2399                                         i=SSL_do_handshake(con);
2400                                         printf("SSL_do_handshake -> %d\n",i);
2401                                         i=0; /*13; */
2402                                         continue;
2403                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2404                                         }
2405                                 if ((buf[0] == 'R') &&
2406                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2407                                         {
2408                                         SSL_set_verify(con,
2409                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2410                                         SSL_renegotiate(con);
2411                                         i=SSL_do_handshake(con);
2412                                         printf("SSL_do_handshake -> %d\n",i);
2413                                         i=0; /* 13; */
2414                                         continue;
2415                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2416                                         }
2417                                 if (buf[0] == 'P')
2418                                         {
2419                                         static const char *str="Lets print some clear text\n";
2420                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2421                                         }
2422                                 if (buf[0] == 'S')
2423                                         {
2424                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2425                                         }
2426                                 }
2427 #ifdef CHARSET_EBCDIC
2428                         ebcdic2ascii(buf,buf,i);
2429 #endif
2430                         l=k=0;
2431                         for (;;)
2432                                 {
2433                                 /* should do a select for the write */
2434 #ifdef RENEG
2435 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2436 #endif
2437                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2438 #ifndef OPENSSL_NO_SRP
2439                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2440                                         {
2441                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2442                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2443                                         if (srp_callback_parm.user)
2444                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2445                                         else
2446                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2447                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2448                                         }
2449 #endif
2450                                 switch (SSL_get_error(con,k))
2451                                         {
2452                                 case SSL_ERROR_NONE:
2453                                         break;
2454                                 case SSL_ERROR_WANT_WRITE:
2455                                 case SSL_ERROR_WANT_READ:
2456                                 case SSL_ERROR_WANT_X509_LOOKUP:
2457                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2458                                         break;
2459                                 case SSL_ERROR_SYSCALL:
2460                                 case SSL_ERROR_SSL:
2461                                         BIO_printf(bio_s_out,"ERROR\n");
2462                                         ERR_print_errors(bio_err);
2463                                         ret=1;
2464                                         goto err;
2465                                         /* break; */
2466                                 case SSL_ERROR_ZERO_RETURN:
2467                                         BIO_printf(bio_s_out,"DONE\n");
2468                                         ret=1;
2469                                         goto err;
2470                                         }
2471                                 l+=k;
2472                                 i-=k;
2473                                 if (i <= 0) break;
2474                                 }
2475                         }
2476                 if (read_from_sslcon)
2477                         {
2478                         if (!SSL_is_init_finished(con))
2479                                 {
2480                                 i=init_ssl_connection(con);
2481
2482                                 if (i < 0)
2483                                         {
2484                                         ret=0;
2485                                         goto err;
2486                                         }
2487                                 else if (i == 0)
2488                                         {
2489                                         ret=1;
2490                                         goto err;
2491                                         }
2492                                 }
2493                         else
2494                                 {
2495 again:
2496                                 i=SSL_read(con,(char *)buf,bufsize);
2497 #ifndef OPENSSL_NO_SRP
2498                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2499                                         {
2500                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2501                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2502                                         if (srp_callback_parm.user)
2503                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2504                                         else
2505                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2506                                         i=SSL_read(con,(char *)buf,bufsize);
2507                                         }
2508 #endif
2509                                 switch (SSL_get_error(con,i))
2510                                         {
2511                                 case SSL_ERROR_NONE:
2512 #ifdef CHARSET_EBCDIC
2513                                         ascii2ebcdic(buf,buf,i);
2514 #endif
2515                                         raw_write_stdout(buf,
2516                                                 (unsigned int)i);
2517                                         if (SSL_pending(con)) goto again;
2518                                         break;
2519                                 case SSL_ERROR_WANT_WRITE:
2520                                 case SSL_ERROR_WANT_READ:
2521                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2522                                         break;
2523                                 case SSL_ERROR_SYSCALL:
2524                                 case SSL_ERROR_SSL:
2525                                         BIO_printf(bio_s_out,"ERROR\n");
2526                                         ERR_print_errors(bio_err);
2527                                         ret=1;
2528                                         goto err;
2529                                 case SSL_ERROR_ZERO_RETURN:
2530                                         BIO_printf(bio_s_out,"DONE\n");
2531                                         ret=1;
2532                                         goto err;
2533                                         }
2534                                 }
2535                         }
2536                 }
2537 err:
2538         if (con != NULL)
2539                 {
2540                 BIO_printf(bio_s_out,"shutting down SSL\n");
2541 #if 1
2542                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2543 #else
2544                 SSL_shutdown(con);
2545 #endif
2546                 SSL_free(con);
2547                 }
2548         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2549         if (buf != NULL)
2550                 {
2551                 OPENSSL_cleanse(buf,bufsize);
2552                 OPENSSL_free(buf);
2553                 }
2554         if (ret >= 0)
2555                 BIO_printf(bio_s_out,"ACCEPT\n");
2556         return(ret);
2557         }
2558
2559 static void close_accept_socket(void)
2560         {
2561         BIO_printf(bio_err,"shutdown accept socket\n");
2562         if (accept_socket >= 0)
2563                 {
2564                 SHUTDOWN2(accept_socket);
2565                 }
2566         }
2567
2568 static int init_ssl_connection(SSL *con)
2569         {
2570         int i;
2571         const char *str;
2572         X509 *peer;
2573         long verify_error;
2574         MS_STATIC char buf[BUFSIZ];
2575 #ifndef OPENSSL_NO_KRB5
2576         char *client_princ;
2577 #endif
2578 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2579         const unsigned char *next_proto_neg;
2580         unsigned next_proto_neg_len;
2581 #endif
2582         unsigned char *exportedkeymat;
2583
2584
2585         i=SSL_accept(con);
2586 #ifndef OPENSSL_NO_SRP
2587         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2588                 {
2589                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2590                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2591                         if (srp_callback_parm.user)
2592                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2593                         else
2594                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2595                         i=SSL_accept(con);
2596                 }
2597 #endif
2598         if (i <= 0)
2599                 {
2600                 if (BIO_sock_should_retry(i))
2601                         {
2602                         BIO_printf(bio_s_out,"DELAY\n");
2603                         return(1);
2604                         }
2605
2606                 BIO_printf(bio_err,"ERROR\n");
2607                 verify_error=SSL_get_verify_result(con);
2608                 if (verify_error != X509_V_OK)
2609                         {
2610                         BIO_printf(bio_err,"verify error:%s\n",
2611                                 X509_verify_cert_error_string(verify_error));
2612                         }
2613                 /* Always print any error messages */
2614                 ERR_print_errors(bio_err);
2615                 return(0);
2616                 }
2617
2618         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2619
2620         peer=SSL_get_peer_certificate(con);
2621         if (peer != NULL)
2622                 {
2623                 BIO_printf(bio_s_out,"Client certificate\n");
2624                 PEM_write_bio_X509(bio_s_out,peer);
2625                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2626                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2627                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2628                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2629                 X509_free(peer);
2630                 }
2631
2632         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2633                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2634         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2635         ssl_print_sigalgs(bio_s_out, con);
2636         ssl_print_curves(bio_s_out, con);
2637         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2638
2639 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2640         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2641         if (next_proto_neg)
2642                 {
2643                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2644                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2645                 BIO_printf(bio_s_out, "\n");
2646                 }
2647 #endif
2648         {
2649         SRTP_PROTECTION_PROFILE *srtp_profile
2650           = SSL_get_selected_srtp_profile(con);
2651
2652         if(srtp_profile)
2653                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2654                            srtp_profile->name);
2655         }
2656         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2657         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2658                 TLS1_FLAGS_TLS_PADDING_BUG)
2659                 BIO_printf(bio_s_out,
2660                            "Peer has incorrect TLSv1 block padding\n");
2661 #ifndef OPENSSL_NO_KRB5
2662         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2663         if (client_princ != NULL)
2664                 {
2665                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2666                                                                 client_princ);
2667                 }
2668 #endif /* OPENSSL_NO_KRB5 */
2669         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2670                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2671         if (keymatexportlabel != NULL)
2672                 {
2673                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2674                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2675                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2676                            keymatexportlen);
2677                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2678                 if (exportedkeymat != NULL)
2679                         {
2680                         if (!SSL_export_keying_material(con, exportedkeymat,
2681                                                         keymatexportlen,
2682                                                         keymatexportlabel,
2683                                                         strlen(keymatexportlabel),
2684                                                         NULL, 0, 0))
2685                                 {
2686                                 BIO_printf(bio_s_out, "    Error\n");
2687                                 }
2688                         else
2689                                 {
2690                                 BIO_printf(bio_s_out, "    Keying material: ");
2691                                 for (i=0; i<keymatexportlen; i++)
2692                                         BIO_printf(bio_s_out, "%02X",
2693                                                    exportedkeymat[i]);
2694                                 BIO_printf(bio_s_out, "\n");
2695                                 }
2696                         OPENSSL_free(exportedkeymat);
2697                         }
2698                 }
2699
2700         return(1);
2701         }
2702
2703 #ifndef OPENSSL_NO_DH
2704 static DH *load_dh_param(const char *dhfile)
2705         {
2706         DH *ret=NULL;
2707         BIO *bio;
2708
2709         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2710                 goto err;
2711         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2712 err:
2713         if (bio != NULL) BIO_free(bio);
2714         return(ret);
2715         }
2716 #endif
2717 #ifndef OPENSSL_NO_KRB5
2718         char *client_princ;
2719 #endif
2720
2721 #if 0
2722 static int load_CA(SSL_CTX *ctx, char *file)
2723         {
2724         FILE *in;
2725         X509 *x=NULL;
2726
2727         if ((in=fopen(file,"r")) == NULL)
2728                 return(0);
2729
2730         for (;;)
2731                 {
2732                 if (PEM_read_X509(in,&x,NULL) == NULL)
2733                         break;
2734                 SSL_CTX_add_client_CA(ctx,x);
2735                 }
2736         if (x != NULL) X509_free(x);
2737         fclose(in);
2738         return(1);
2739         }
2740 #endif
2741
2742 static int www_body(char *hostname, int s, unsigned char *context)
2743         {
2744         char *buf=NULL;
2745         int ret=1;
2746         int i,j,k,dot;
2747         SSL *con;
2748         const SSL_CIPHER *c;
2749         BIO *io,*ssl_bio,*sbio;
2750 #ifndef OPENSSL_NO_KRB5
2751         KSSL_CTX *kctx;
2752 #endif
2753
2754         buf=OPENSSL_malloc(bufsize);
2755         if (buf == NULL) return(0);
2756         io=BIO_new(BIO_f_buffer());
2757         ssl_bio=BIO_new(BIO_f_ssl());
2758         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2759
2760 #ifdef FIONBIO
2761         if (s_nbio)
2762                 {
2763                 unsigned long sl=1;
2764
2765                 if (!s_quiet)
2766                         BIO_printf(bio_err,"turning on non blocking io\n");
2767                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2768                         ERR_print_errors(bio_err);
2769                 }
2770 #endif
2771
2772         /* lets make the output buffer a reasonable size */
2773         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2774
2775         if ((con=SSL_new(ctx)) == NULL) goto err;
2776 #ifndef OPENSSL_NO_TLSEXT
2777                 if (s_tlsextdebug)
2778                         {
2779                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2780                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2781                         }
2782 #endif
2783 #ifndef OPENSSL_NO_KRB5
2784         if ((kctx = kssl_ctx_new()) != NULL)
2785                 {
2786                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2787                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2788                 }
2789 #endif  /* OPENSSL_NO_KRB5 */
2790         if(context) SSL_set_session_id_context(con, context,
2791                                                strlen((char *)context));
2792
2793         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2794         if (s_nbio_test)
2795                 {
2796                 BIO *test;
2797
2798                 test=BIO_new(BIO_f_nbio_test());
2799                 sbio=BIO_push(test,sbio);
2800                 }
2801         SSL_set_bio(con,sbio,sbio);
2802         SSL_set_accept_state(con);
2803
2804         /* SSL_set_fd(con,s); */
2805         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2806         BIO_push(io,ssl_bio);
2807 #ifdef CHARSET_EBCDIC
2808         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2809 #endif
2810
2811         if (s_debug)
2812                 {
2813                 SSL_set_debug(con, 1);
2814                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2815                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2816                 }
2817         if (s_msg)
2818                 {
2819 #ifndef OPENSSL_NO_SSL_TRACE
2820                 if (s_msg == 2)
2821                         SSL_set_msg_callback(con, SSL_trace);
2822                 else
2823 #endif
2824                         SSL_set_msg_callback(con, msg_cb);
2825                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2826                 }
2827
2828         for (;;)
2829                 {
2830                 if (hack)
2831                         {
2832                         i=SSL_accept(con);
2833 #ifndef OPENSSL_NO_SRP
2834                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2835                 {
2836                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2837                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2838                         if (srp_callback_parm.user)
2839                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2840                         else
2841                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2842                         i=SSL_accept(con);
2843                 }
2844 #endif
2845                         switch (SSL_get_error(con,i))
2846                                 {
2847                         case SSL_ERROR_NONE:
2848                                 break;
2849                         case SSL_ERROR_WANT_WRITE:
2850                         case SSL_ERROR_WANT_READ:
2851                         case SSL_ERROR_WANT_X509_LOOKUP:
2852                                 continue;
2853                         case SSL_ERROR_SYSCALL:
2854                         case SSL_ERROR_SSL:
2855                         case SSL_ERROR_ZERO_RETURN:
2856                                 ret=1;
2857                                 goto err;
2858                                 /* break; */
2859                                 }
2860
2861                         SSL_renegotiate(con);
2862                         SSL_write(con,NULL,0);
2863                         }
2864
2865                 i=BIO_gets(io,buf,bufsize-1);
2866                 if (i < 0) /* error */
2867                         {
2868                         if (!BIO_should_retry(io))
2869                                 {
2870                                 if (!s_quiet)
2871                                         ERR_print_errors(bio_err);
2872                                 goto err;
2873                                 }
2874                         else
2875                                 {
2876                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2877 #if defined(OPENSSL_SYS_NETWARE)
2878             delay(1000);
2879 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2880                                 sleep(1);
2881 #endif
2882                                 continue;
2883                                 }
2884                         }
2885                 else if (i == 0) /* end of input */
2886                         {
2887                         ret=1;
2888                         goto end;
2889                         }
2890
2891                 /* else we have data */
2892                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2893                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2894                         {
2895                         char *p;
2896                         X509 *peer;
2897                         STACK_OF(SSL_CIPHER) *sk;
2898                         static const char *space="                          ";
2899
2900                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2901                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2902                         BIO_puts(io,"<pre>\n");
2903 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2904                         BIO_puts(io,"\n");
2905                         for (i=0; i<local_argc; i++)
2906                                 {
2907                                 BIO_puts(io,local_argv[i]);
2908                                 BIO_write(io," ",1);
2909                                 }
2910                         BIO_puts(io,"\n");
2911
2912                         BIO_printf(io,
2913                                 "Secure Renegotiation IS%s supported\n",
2914                                 SSL_get_secure_renegotiation_support(con) ?
2915                                                         "" : " NOT");
2916
2917                         /* The following is evil and should not really
2918                          * be done */
2919                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2920                         sk=SSL_get_ciphers(con);
2921                         j=sk_SSL_CIPHER_num(sk);
2922                         for (i=0; i<j; i++)
2923                                 {
2924                                 c=sk_SSL_CIPHER_value(sk,i);
2925                                 BIO_printf(io,"%-11s:%-25s",
2926                                         SSL_CIPHER_get_version(c),
2927                                         SSL_CIPHER_get_name(c));
2928                                 if ((((i+1)%2) == 0) && (i+1 != j))
2929                                         BIO_puts(io,"\n");
2930                                 }
2931                         BIO_puts(io,"\n");
2932                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2933                         if (p != NULL)
2934                                 {
2935                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2936                                 j=i=0;
2937                                 while (*p)
2938                                         {
2939                                         if (*p == ':')
2940                                                 {
2941                                                 BIO_write(io,space,26-j);
2942                                                 i++;
2943                                                 j=0;
2944                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2945                                                 }
2946                                         else
2947                                                 {
2948                                                 BIO_write(io,p,1);
2949                                                 j++;
2950                                                 }
2951                                         p++;
2952                                         }
2953                                 BIO_puts(io,"\n");
2954                                 }
2955                         ssl_print_sigalgs(io, con);
2956                         ssl_print_curves(io, con);
2957                         BIO_printf(io,(SSL_cache_hit(con)
2958                                 ?"---\nReused, "
2959                                 :"---\nNew, "));
2960                         c=SSL_get_current_cipher(con);
2961                         BIO_printf(io,"%s, Cipher is %s\n",
2962                                 SSL_CIPHER_get_version(c),
2963                                 SSL_CIPHER_get_name(c));
2964                         SSL_SESSION_print(io,SSL_get_session(con));
2965                         BIO_printf(io,"---\n");
2966                         print_stats(io,SSL_get_SSL_CTX(con));
2967                         BIO_printf(io,"---\n");
2968                         peer=SSL_get_peer_certificate(con);
2969                         if (peer != NULL)
2970                                 {
2971                                 BIO_printf(io,"Client certificate\n");
2972                                 X509_print(io,peer);
2973                                 PEM_write_bio_X509(io,peer);
2974                                 }
2975                         else
2976                                 BIO_puts(io,"no client certificate available\n");
2977                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2978                         break;
2979                         }
2980                 else if ((www == 2 || www == 3)
2981                          && (strncmp("GET /",buf,5) == 0))
2982                         {
2983                         BIO *file;
2984                         char *p,*e;
2985                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2986
2987                         /* skip the '/' */
2988                         p= &(buf[5]);
2989
2990                         dot = 1;
2991                         for (e=p; *e != '\0'; e++)
2992                                 {
2993                                 if (e[0] == ' ')
2994                                         break;
2995
2996                                 switch (dot)
2997                                         {
2998                                 case 1:
2999                                         dot = (e[0] == '.') ? 2 : 0;
3000                                         break;
3001                                 case 2:
3002                                         dot = (e[0] == '.') ? 3 : 0;
3003                                         break;
3004                                 case 3:
3005                                         dot = (e[0] == '/') ? -1 : 0;
3006                                         break;
3007                                         }
3008                                 if (dot == 0)
3009                                         dot = (e[0] == '/') ? 1 : 0;
3010                                 }
3011                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3012
3013                         if (*e == '\0')
3014                                 {
3015                                 BIO_puts(io,text);
3016                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3017                                 break;
3018                                 }
3019                         *e='\0';
3020
3021                         if (dot)
3022                                 {
3023                                 BIO_puts(io,text);
3024                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3025                                 break;
3026                                 }
3027
3028                         if (*p == '/')
3029                                 {
3030                                 BIO_puts(io,text);
3031                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3032                                 break;
3033                                 }
3034
3035 #if 0
3036                         /* append if a directory lookup */
3037                         if (e[-1] == '/')
3038                                 strcat(p,"index.html");
3039 #endif
3040
3041                         /* if a directory, do the index thang */
3042                         if (app_isdir(p)>0)
3043                                 {
3044 #if 0 /* must check buffer size */
3045                                 strcat(p,"/index.html");
3046 #else
3047                                 BIO_puts(io,text);
3048                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3049                                 break;
3050 #endif
3051                                 }
3052
3053                         if ((file=BIO_new_file(p,"r")) == NULL)
3054                                 {
3055                                 BIO_puts(io,text);
3056                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3057                                 ERR_print_errors(io);
3058                                 break;
3059                                 }
3060
3061                         if (!s_quiet)
3062                                 BIO_printf(bio_err,"FILE:%s\n",p);
3063
3064                         if (www == 2)
3065                                 {
3066                                 i=strlen(p);
3067                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3068                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3069                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3070                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3071                                 else
3072                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3073                                 }
3074                         /* send the file */
3075                         for (;;)
3076                                 {
3077                                 i=BIO_read(file,buf,bufsize);
3078                                 if (i <= 0) break;
3079
3080 #ifdef RENEG
3081                                 total_bytes+=i;
3082                                 fprintf(stderr,"%d\n",i);
3083                                 if (total_bytes > 3*1024)
3084                                         {
3085                                         total_bytes=0;
3086                                         fprintf(stderr,"RENEGOTIATE\n");
3087                                         SSL_renegotiate(con);
3088                                         }
3089 #endif
3090
3091                                 for (j=0; j<i; )
3092                                         {
3093 #ifdef RENEG
3094 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3095 #endif
3096                                         k=BIO_write(io,&(buf[j]),i-j);
3097                                         if (k <= 0)
3098                                                 {
3099                                                 if (!BIO_should_retry(io))
3100                                                         goto write_error;
3101                                                 else
3102                                                         {
3103                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3104                                                         }
3105                                                 }
3106                                         else
3107                                                 {
3108                                                 j+=k;
3109                                                 }
3110                                         }
3111                                 }
3112 write_error:
3113                         BIO_free(file);
3114                         break;
3115                         }
3116                 }
3117
3118         for (;;)
3119                 {
3120                 i=(int)BIO_flush(io);
3121                 if (i <= 0)
3122                         {
3123                         if (!BIO_should_retry(io))
3124                                 break;
3125                         }
3126                 else
3127                         break;
3128                 }
3129 end:
3130 #if 1
3131         /* make sure we re-use sessions */
3132         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3133 #else
3134         /* This kills performance */
3135 /*      SSL_shutdown(con); A shutdown gets sent in the
3136  *      BIO_free_all(io) procession */
3137 #endif
3138
3139 err:
3140
3141         if (ret >= 0)
3142                 BIO_printf(bio_s_out,"ACCEPT\n");
3143
3144         if (buf != NULL) OPENSSL_free(buf);
3145         if (io != NULL) BIO_free_all(io);
3146 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3147         return(ret);
3148         }
3149
3150 #ifndef OPENSSL_NO_RSA
3151 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3152         {
3153         BIGNUM *bn = NULL;
3154         static RSA *rsa_tmp=NULL;
3155
3156         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3157                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3158         if (!rsa_tmp && bn)
3159                 {
3160                 if (!s_quiet)
3161                         {
3162                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3163                         (void)BIO_flush(bio_err);
3164                         }
3165                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3166                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3167                         {
3168                         if(rsa_tmp) RSA_free(rsa_tmp);
3169                         rsa_tmp = NULL;
3170                         }
3171                 if (!s_quiet)
3172                         {
3173                         BIO_printf(bio_err,"\n");
3174                         (void)BIO_flush(bio_err);
3175                         }
3176                 BN_free(bn);
3177                 }
3178         return(rsa_tmp);
3179         }
3180 #endif
3181
3182 #define MAX_SESSION_ID_ATTEMPTS 10
3183 static int generate_session_id(const SSL *ssl, unsigned char *id,
3184                                 unsigned int *id_len)
3185         {
3186         unsigned int count = 0;
3187         do      {
3188                 RAND_pseudo_bytes(id, *id_len);
3189                 /* Prefix the session_id with the required prefix. NB: If our
3190                  * prefix is too long, clip it - but there will be worse effects
3191                  * anyway, eg. the server could only possibly create 1 session
3192                  * ID (ie. the prefix!) so all future session negotiations will
3193                  * fail due to conflicts. */
3194                 memcpy(id, session_id_prefix,
3195                         (strlen(session_id_prefix) < *id_len) ?
3196                         strlen(session_id_prefix) : *id_len);
3197                 }
3198         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3199                 (++count < MAX_SESSION_ID_ATTEMPTS));
3200         if(count >= MAX_SESSION_ID_ATTEMPTS)
3201                 return 0;
3202         return 1;
3203         }
3204
3205 static int ssl_load_stores(SSL_CTX *sctx,
3206                         const char *vfyCApath, const char *vfyCAfile,
3207                         const char *chCApath, const char *chCAfile)
3208         {
3209         X509_STORE *vfy = NULL, *ch = NULL;
3210         int rv = 0;
3211         if (vfyCApath || vfyCAfile)
3212                 {
3213                 vfy = X509_STORE_new();
3214                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3215                         goto err;
3216                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3217                 }
3218         if (chCApath || chCAfile)
3219                 {
3220                 ch = X509_STORE_new();
3221                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3222                         goto err;
3223                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3224                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3225                 }
3226         rv = 1;
3227         err:
3228         if (vfy)
3229                 X509_STORE_free(vfy);
3230         if (ch)
3231                 X509_STORE_free(ch);
3232         return rv;
3233         }