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 not_resumable_sess_cb(SSL *s, int is_forward_secure);
 208 static int sv_body(char *hostname, int s, unsigned char *context);
 209 static int www_body(char *hostname, int s, unsigned char *context);
 210 static void close_accept_socket(void );
 211 static void sv_usage(void);
 212 static int init_ssl_connection(SSL *s);
 213 static void print_stats(BIO *bp,SSL_CTX *ctx);
 214 static int generate_session_id(const SSL *ssl, unsigned char *id,
 215                                 unsigned int *id_len);
 216 static void init_session_cache_ctx(SSL_CTX *sctx);
 217 static void free_sessions(void);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 221 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_DH
 228 static unsigned char dh512_p[]={
 229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 234         0x47,0x74,0xE8,0x33,
 235         };
 236 static unsigned char dh512_g[]={
 237         0x02,
 238         };
 239
 240 static DH *get_dh512(void)
 241         {
 242         DH *dh=NULL;
 243
 244         if ((dh=DH_new()) == NULL) return(NULL);
 245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 247         if ((dh->p == NULL) || (dh->g == NULL))
 248                 return(NULL);
 249         return(dh);
 250         }
 251 #endif
 252
 253
 254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 255
 256 #undef BUFSIZZ
 257 #define BUFSIZZ 16*1024
 258 static int bufsize=BUFSIZZ;
 259 static int accept_socket= -1;
 260
 261 #define TEST_CERT       "server.pem"
 262 #ifndef OPENSSL_NO_TLSEXT
 263 #define TEST_CERT2      "server2.pem"
 264 #endif
 265 #undef PROG
 266 #define PROG            s_server_main
 267
 268 extern int verify_depth, verify_return_error;
 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;
 274 #ifndef OPENSSL_NO_TLSEXT
 275 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 276 static char *curves=NULL;
 277 #endif
 278 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 279 #ifdef FIONBIO
 280 static int s_nbio=0;
 281 #endif
 282 static int s_nbio_test=0;
 283 int s_crlf=0;
 284 static SSL_CTX *ctx=NULL;
 285 #ifndef OPENSSL_NO_TLSEXT
 286 static SSL_CTX *ctx2=NULL;
 287 #endif
 288 static int www=0;
 289
 290 static BIO *bio_s_out=NULL;
 291 static int s_debug=0;
 292 #ifndef OPENSSL_NO_TLSEXT
 293 static int s_tlsextdebug=0;
 294 static int s_tlsextstatus=0;
 295 static int cert_status_cb(SSL *s, void *arg);
 296 #endif
 297 static int no_resume_ephemeral = 0;
 298 static int s_msg=0;
 299 static int s_quiet=0;
 300
 301 static char *keymatexportlabel=NULL;
 302 static int keymatexportlen=20;
 303
 304 static int hack=0;
 305 #ifndef OPENSSL_NO_ENGINE
 306 static char *engine_id=NULL;
 307 #endif
 308 static const char *session_id_prefix=NULL;
 309
 310 static int enable_timeouts = 0;
 311 static long socket_mtu;
 312 #ifndef OPENSSL_NO_DTLS1
 313 static int cert_chain = 0;
 314 #endif
 315
 316
 317 #ifndef OPENSSL_NO_PSK
 318 static char *psk_identity="Client_identity";
 319 char *psk_key=NULL; /* by default PSK is not used */
 320
 321 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 322         unsigned char *psk, unsigned int max_psk_len)
 323         {
 324         unsigned int psk_len = 0;
 325         int ret;
 326         BIGNUM *bn = NULL;
 327
 328         if (s_debug)
 329                 BIO_printf(bio_s_out,"psk_server_cb\n");
 330         if (!identity)
 331                 {
 332                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 333                 goto out_err;
 334                 }
 335         if (s_debug)
 336                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 337                         identity ? (int)strlen(identity) : 0, identity);
 338
 339         /* here we could lookup the given identity e.g. from a database */
 340         if (strcmp(identity, psk_identity) != 0)
 341                 {
 342                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 343                            " (got '%s' expected '%s')\n", identity,
 344                            psk_identity);
 345                 goto out_err;
 346                 }
 347         if (s_debug)
 348                 BIO_printf(bio_s_out, "PSK client identity found\n");
 349
 350         /* convert the PSK key to binary */
 351         ret = BN_hex2bn(&bn, psk_key);
 352         if (!ret)
 353                 {
 354                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 355                 if (bn)
 356                         BN_free(bn);
 357                 return 0;
 358                 }
 359         if (BN_num_bytes(bn) > (int)max_psk_len)
 360                 {
 361                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 362                         max_psk_len, BN_num_bytes(bn));
 363                 BN_free(bn);
 364                 return 0;
 365                 }
 366
 367         ret = BN_bn2bin(bn, psk);
 368         BN_free(bn);
 369
 370         if (ret < 0)
 371                 goto out_err;
 372         psk_len = (unsigned int)ret;
 373
 374         if (s_debug)
 375                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 376         return psk_len;
 377  out_err:
 378         if (s_debug)
 379                 BIO_printf(bio_err, "Error in PSK server callback\n");
 380         return 0;
 381         }
 382 #endif
 383
 384 #ifndef OPENSSL_NO_SRP
 385 /* This is a context that we pass to callbacks */
 386 typedef struct srpsrvparm_st
 387         {
 388         char *login;
 389         SRP_VBASE *vb;
 390         SRP_user_pwd *user;
 391         } srpsrvparm;
 392
 393 /* This callback pretends to require some asynchronous logic in order to obtain
 394    a verifier. When the callback is called for a new connection we return
 395    with a negative value. This will provoke the accept etc to return with
 396    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 397    (which would normally occur after a worker has finished) and we
 398    set the user parameters.
 399 */
 400 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 401         {
 402         srpsrvparm *p = (srpsrvparm *)arg;
 403         if (p->login == NULL && p->user == NULL )
 404                 {
 405                 p->login = SSL_get_srp_username(s);
 406                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 407                 return (-1) ;
 408                 }
 409
 410         if (p->user == NULL)
 411                 {
 412                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 413                 return SSL3_AL_FATAL;
 414                 }
 415         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 416                                      p->user->info) < 0)
 417                 {
 418                 *ad = SSL_AD_INTERNAL_ERROR;
 419                 return SSL3_AL_FATAL;
 420                 }
 421         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 422         /* need to check whether there are memory leaks */
 423         p->user = NULL;
 424         p->login = NULL;
 425         return SSL_ERROR_NONE;
 426         }
 427
 428 #endif
 429
 430 #ifdef MONOLITH
 431 static void s_server_init(void)
 432         {
 433         accept_socket=-1;
 434         cipher=NULL;
 435         s_server_verify=SSL_VERIFY_NONE;
 436         s_dcert_file=NULL;
 437         s_dkey_file=NULL;
 438         s_cert_file=TEST_CERT;
 439         s_key_file=NULL;
 440 #ifndef OPENSSL_NO_TLSEXT
 441         curves=NULL;
 442         s_cert_file2=TEST_CERT2;
 443         s_key_file2=NULL;
 444         ctx2=NULL;
 445 #endif
 446 #ifdef FIONBIO
 447         s_nbio=0;
 448 #endif
 449         s_nbio_test=0;
 450         ctx=NULL;
 451         www=0;
 452
 453         bio_s_out=NULL;
 454         s_debug=0;
 455         s_msg=0;
 456         s_quiet=0;
 457         hack=0;
 458 #ifndef OPENSSL_NO_ENGINE
 459         engine_id=NULL;
 460 #endif
 461         }
 462 #endif
 463
 464 static void sv_usage(void)
 465         {
 466         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 467         BIO_printf(bio_err,"\n");
 468         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 469         BIO_printf(bio_err," -context arg  - set session ID context\n");
 470         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 471         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 472         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 473         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 474         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 475                            "                 The CRL(s) are appended to the certificate file\n");
 476         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 477                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 478                            "                 the certificate file.\n");
 479         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 480         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 481         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 482         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 483         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 484         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 485         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 486         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 487         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 488         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 489         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 490         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 491 #ifndef OPENSSL_NO_ECDH
 492         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 493                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 494                            "                 (default is nistp256).\n");
 495 #endif
 496 #ifdef FIONBIO
 497         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 498 #endif
 499         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 500         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 501         BIO_printf(bio_err," -debug        - Print more output\n");
 502         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 503         BIO_printf(bio_err," -state        - Print the SSL states\n");
 504         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 505         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 506         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 507         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 508         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 509         BIO_printf(bio_err," -quiet        - No server output\n");
 510         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 511 #ifndef OPENSSL_NO_PSK
 512         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 513         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 514 # ifndef OPENSSL_NO_JPAKE
 515         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 516 # endif
 517 #endif
 518 #ifndef OPENSSL_NO_SRP
 519         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 520         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 521 #endif
 522         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 523         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 524         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 525         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 526         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 527         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 528         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 529         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 530         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 531         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 532         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 533         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 534         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 535         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 536 #ifndef OPENSSL_NO_DH
 537         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 538 #endif
 539 #ifndef OPENSSL_NO_ECDH
 540         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 541 #endif
 542         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 543         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 544         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 545         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 546         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 547         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 548 #ifndef OPENSSL_NO_ENGINE
 549         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 550 #endif
 551         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 552         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 553 #ifndef OPENSSL_NO_TLSEXT
 554         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 555         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 556         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 557         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 558         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 559         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 560         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 561         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 562         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 563 # ifndef OPENSSL_NO_NEXTPROTONEG
 564         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 565 # endif
 566         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 567 #endif
 568         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 569         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 570         }
 571
 572 static int local_argc=0;
 573 static char **local_argv;
 574
 575 #ifdef CHARSET_EBCDIC
 576 static int ebcdic_new(BIO *bi);
 577 static int ebcdic_free(BIO *a);
 578 static int ebcdic_read(BIO *b, char *out, int outl);
 579 static int ebcdic_write(BIO *b, const char *in, int inl);
 580 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 581 static int ebcdic_gets(BIO *bp, char *buf, int size);
 582 static int ebcdic_puts(BIO *bp, const char *str);
 583
 584 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 585 static BIO_METHOD methods_ebcdic=
 586         {
 587         BIO_TYPE_EBCDIC_FILTER,
 588         "EBCDIC/ASCII filter",
 589         ebcdic_write,
 590         ebcdic_read,
 591         ebcdic_puts,
 592         ebcdic_gets,
 593         ebcdic_ctrl,
 594         ebcdic_new,
 595         ebcdic_free,
 596         };
 597
 598 typedef struct
 599 {
 600         size_t  alloced;
 601         char    buff[1];
 602 } EBCDIC_OUTBUFF;
 603
 604 BIO_METHOD *BIO_f_ebcdic_filter()
 605 {
 606         return(&methods_ebcdic);
 607 }
 608
 609 static int ebcdic_new(BIO *bi)
 610 {
 611         EBCDIC_OUTBUFF *wbuf;
 612
 613         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 614         wbuf->alloced = 1024;
 615         wbuf->buff[0] = '\0';
 616
 617         bi->ptr=(char *)wbuf;
 618         bi->init=1;
 619         bi->flags=0;
 620         return(1);
 621 }
 622
 623 static int ebcdic_free(BIO *a)
 624 {
 625         if (a == NULL) return(0);
 626         if (a->ptr != NULL)
 627                 OPENSSL_free(a->ptr);
 628         a->ptr=NULL;
 629         a->init=0;
 630         a->flags=0;
 631         return(1);
 632 }
 633
 634 static int ebcdic_read(BIO *b, char *out, int outl)
 635 {
 636         int ret=0;
 637
 638         if (out == NULL || outl == 0) return(0);
 639         if (b->next_bio == NULL) return(0);
 640
 641         ret=BIO_read(b->next_bio,out,outl);
 642         if (ret > 0)
 643                 ascii2ebcdic(out,out,ret);
 644         return(ret);
 645 }
 646
 647 static int ebcdic_write(BIO *b, const char *in, int inl)
 648 {
 649         EBCDIC_OUTBUFF *wbuf;
 650         int ret=0;
 651         int num;
 652         unsigned char n;
 653
 654         if ((in == NULL) || (inl <= 0)) return(0);
 655         if (b->next_bio == NULL) return(0);
 656
 657         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 658
 659         if (inl > (num = wbuf->alloced))
 660         {
 661                 num = num + num;  /* double the size */
 662                 if (num < inl)
 663                         num = inl;
 664                 OPENSSL_free(wbuf);
 665                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 666
 667                 wbuf->alloced = num;
 668                 wbuf->buff[0] = '\0';
 669
 670                 b->ptr=(char *)wbuf;
 671         }
 672
 673         ebcdic2ascii(wbuf->buff, in, inl);
 674
 675         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 676
 677         return(ret);
 678 }
 679
 680 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 681 {
 682         long ret;
 683
 684         if (b->next_bio == NULL) return(0);
 685         switch (cmd)
 686         {
 687         case BIO_CTRL_DUP:
 688                 ret=0L;
 689                 break;
 690         default:
 691                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 692                 break;
 693         }
 694         return(ret);
 695 }
 696
 697 static int ebcdic_gets(BIO *bp, char *buf, int size)
 698 {
 699         int i, ret=0;
 700         if (bp->next_bio == NULL) return(0);
 701 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 702         for (i=0; i<size-1; ++i)
 703         {
 704                 ret = ebcdic_read(bp,&buf[i],1);
 705                 if (ret <= 0)
 706                         break;
 707                 else if (buf[i] == '\n')
 708                 {
 709                         ++i;
 710                         break;
 711                 }
 712         }
 713         if (i < size)
 714                 buf[i] = '\0';
 715         return (ret < 0 && i == 0) ? ret : i;
 716 }
 717
 718 static int ebcdic_puts(BIO *bp, const char *str)
 719 {
 720         if (bp->next_bio == NULL) return(0);
 721         return ebcdic_write(bp, str, strlen(str));
 722 }
 723 #endif
 724
 725 #ifndef OPENSSL_NO_TLSEXT
 726
 727 /* This is a context that we pass to callbacks */
 728 typedef struct tlsextctx_st {
 729    char * servername;
 730    BIO * biodebug;
 731    int extension_error;
 732 } tlsextctx;
 733
 734
 735 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 736         {
 737         tlsextctx * p = (tlsextctx *) arg;
 738         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 739         if (servername && p->biodebug)
 740                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 741
 742         if (!p->servername)
 743                 return SSL_TLSEXT_ERR_NOACK;
 744
 745         if (servername)
 746                 {
 747                 if (strcmp(servername,p->servername))
 748                         return p->extension_error;
 749                 if (ctx2)
 750                         {
 751                         BIO_printf(p->biodebug,"Switching server context.\n");
 752                         SSL_set_SSL_CTX(s,ctx2);
 753                         }
 754                 }
 755         return SSL_TLSEXT_ERR_OK;
 756 }
 757
 758 /* Structure passed to cert status callback */
 759
 760 typedef struct tlsextstatusctx_st {
 761    /* Default responder to use */
 762    char *host, *path, *port;
 763    int use_ssl;
 764    int timeout;
 765    BIO *err;
 766    int verbose;
 767 } tlsextstatusctx;
 768
 769 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 770
 771 /* Certificate Status callback. This is called when a client includes a
 772  * certificate status request extension.
 773  *
 774  * This is a simplified version. It examines certificates each time and
 775  * makes one OCSP responder query for each request.
 776  *
 777  * A full version would store details such as the OCSP certificate IDs and
 778  * minimise the number of OCSP responses by caching them until they were
 779  * considered "expired".
 780  */
 781
 782 static int cert_status_cb(SSL *s, void *arg)
 783         {
 784         tlsextstatusctx *srctx = arg;
 785         BIO *err = srctx->err;
 786         char *host, *port, *path;
 787         int use_ssl;
 788         unsigned char *rspder = NULL;
 789         int rspderlen;
 790         STACK_OF(OPENSSL_STRING) *aia = NULL;
 791         X509 *x = NULL;
 792         X509_STORE_CTX inctx;
 793         X509_OBJECT obj;
 794         OCSP_REQUEST *req = NULL;
 795         OCSP_RESPONSE *resp = NULL;
 796         OCSP_CERTID *id = NULL;
 797         STACK_OF(X509_EXTENSION) *exts;
 798         int ret = SSL_TLSEXT_ERR_NOACK;
 799         int i;
 800 #if 0
 801 STACK_OF(OCSP_RESPID) *ids;
 802 SSL_get_tlsext_status_ids(s, &ids);
 803 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 804 #endif
 805         if (srctx->verbose)
 806                 BIO_puts(err, "cert_status: callback called\n");
 807         /* Build up OCSP query from server certificate */
 808         x = SSL_get_certificate(s);
 809         aia = X509_get1_ocsp(x);
 810         if (aia)
 811                 {
 812                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 813                         &host, &port, &path, &use_ssl))
 814                         {
 815                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 816                         goto err;
 817                         }
 818                 if (srctx->verbose)
 819                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 820                                         sk_OPENSSL_STRING_value(aia, 0));
 821                 }
 822         else
 823                 {
 824                 if (!srctx->host)
 825                         {
 826                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 827                         goto done;
 828                         }
 829                 host = srctx->host;
 830                 path = srctx->path;
 831                 port = srctx->port;
 832                 use_ssl = srctx->use_ssl;
 833                 }
 834
 835         if (!X509_STORE_CTX_init(&inctx,
 836                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 837                                 NULL, NULL))
 838                 goto err;
 839         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 840                                 X509_get_issuer_name(x),&obj) <= 0)
 841                 {
 842                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 843                 X509_STORE_CTX_cleanup(&inctx);
 844                 goto done;
 845                 }
 846         req = OCSP_REQUEST_new();
 847         if (!req)
 848                 goto err;
 849         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 850         X509_free(obj.data.x509);
 851         X509_STORE_CTX_cleanup(&inctx);
 852         if (!id)
 853                 goto err;
 854         if (!OCSP_request_add0_id(req, id))
 855                 goto err;
 856         id = NULL;
 857         /* Add any extensions to the request */
 858         SSL_get_tlsext_status_exts(s, &exts);
 859         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 860                 {
 861                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 862                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 863                         goto err;
 864                 }
 865         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 866                                         srctx->timeout);
 867         if (!resp)
 868                 {
 869                 BIO_puts(err, "cert_status: error querying responder\n");
 870                 goto done;
 871                 }
 872         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 873         if (rspderlen <= 0)
 874                 goto err;
 875         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 876         if (srctx->verbose)
 877                 {
 878                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 879                 OCSP_RESPONSE_print(err, resp, 2);
 880                 }
 881         ret = SSL_TLSEXT_ERR_OK;
 882         done:
 883         if (ret != SSL_TLSEXT_ERR_OK)
 884                 ERR_print_errors(err);
 885         if (aia)
 886                 {
 887                 OPENSSL_free(host);
 888                 OPENSSL_free(path);
 889                 OPENSSL_free(port);
 890                 X509_email_free(aia);
 891                 }
 892         if (id)
 893                 OCSP_CERTID_free(id);
 894         if (req)
 895                 OCSP_REQUEST_free(req);
 896         if (resp)
 897                 OCSP_RESPONSE_free(resp);
 898         return ret;
 899         err:
 900         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 901         goto done;
 902         }
 903
 904 # ifndef OPENSSL_NO_NEXTPROTONEG
 905 /* This is the context that we pass to next_proto_cb */
 906 typedef struct tlsextnextprotoctx_st {
 907         unsigned char *data;
 908         unsigned int len;
 909 } tlsextnextprotoctx;
 910
 911 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 912         {
 913         tlsextnextprotoctx *next_proto = arg;
 914
 915         *data = next_proto->data;
 916         *len = next_proto->len;
 917
 918         return SSL_TLSEXT_ERR_OK;
 919         }
 920 # endif  /* ndef OPENSSL_NO_NPN */
 921 #endif
 922
 923 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 924         {
 925         /* disable resumption for sessions with forward secure ciphers */
 926         return is_forward_secure;
 927         }
 928
 929 int MAIN(int, char **);
 930
 931 #ifndef OPENSSL_NO_JPAKE
 932 static char *jpake_secret = NULL;
 933 #endif
 934 #ifndef OPENSSL_NO_SRP
 935         static srpsrvparm srp_callback_parm;
 936 #endif
 937 static char *srtp_profiles = NULL;
 938
 939 int MAIN(int argc, char *argv[])
 940         {
 941         X509_VERIFY_PARAM *vpm = NULL;
 942         int badarg = 0;
 943         short port=PORT;
 944         char *CApath=NULL,*CAfile=NULL;
 945         unsigned char *context = NULL;
 946         char *dhfile = NULL;
 947 #ifndef OPENSSL_NO_ECDH
 948         char *named_curve = NULL;
 949 #endif
 950         int badop=0,bugs=0;
 951         int ret=1;
 952         int off=0;
 953         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 954         int state=0;
 955         const SSL_METHOD *meth=NULL;
 956         int socket_type=SOCK_STREAM;
 957         ENGINE *e=NULL;
 958         char *inrand=NULL;
 959         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 960         char *passarg = NULL, *pass = NULL;
 961         char *dpassarg = NULL, *dpass = NULL;
 962         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 963         X509 *s_cert = NULL, *s_dcert = NULL;
 964         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 965         int no_cache = 0, ext_cache = 0;
 966 #ifndef OPENSSL_NO_TLSEXT
 967         EVP_PKEY *s_key2 = NULL;
 968         X509 *s_cert2 = NULL;
 969 #endif
 970 #ifndef OPENSSL_NO_TLSEXT
 971         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 972 # ifndef OPENSSL_NO_NEXTPROTONEG
 973         const char *next_proto_neg_in = NULL;
 974         tlsextnextprotoctx next_proto;
 975 # endif
 976 #endif
 977 #ifndef OPENSSL_NO_PSK
 978         /* by default do not send a PSK identity hint */
 979         static char *psk_identity_hint=NULL;
 980 #endif
 981 #ifndef OPENSSL_NO_SRP
 982         char *srpuserseed = NULL;
 983         char *srp_verifier_file = NULL;
 984 #endif
 985         meth=SSLv23_server_method();
 986
 987         local_argc=argc;
 988         local_argv=argv;
 989
 990         apps_startup();
 991 #ifdef MONOLITH
 992         s_server_init();
 993 #endif
 994
 995         if (bio_err == NULL)
 996                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 997
 998         if (!load_config(bio_err, NULL))
 999                 goto end;
1000
1001         verify_depth=0;
1002 #ifdef FIONBIO
1003         s_nbio=0;
1004 #endif
1005         s_nbio_test=0;
1006
1007         argc--;
1008         argv++;
1009
1010         while (argc >= 1)
1011                 {
1012                 if      ((strcmp(*argv,"-port") == 0) ||
1013                          (strcmp(*argv,"-accept") == 0))
1014                         {
1015                         if (--argc < 1) goto bad;
1016                         if (!extract_port(*(++argv),&port))
1017                                 goto bad;
1018                         }
1019                 else if (strcmp(*argv,"-verify") == 0)
1020                         {
1021                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1022                         if (--argc < 1) goto bad;
1023                         verify_depth=atoi(*(++argv));
1024                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1025                         }
1026                 else if (strcmp(*argv,"-Verify") == 0)
1027                         {
1028                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1029                                 SSL_VERIFY_CLIENT_ONCE;
1030                         if (--argc < 1) goto bad;
1031                         verify_depth=atoi(*(++argv));
1032                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1033                         }
1034                 else if (strcmp(*argv,"-context") == 0)
1035                         {
1036                         if (--argc < 1) goto bad;
1037                         context= (unsigned char *)*(++argv);
1038                         }
1039                 else if (strcmp(*argv,"-cert") == 0)
1040                         {
1041                         if (--argc < 1) goto bad;
1042                         s_cert_file= *(++argv);
1043                         }
1044                 else if (strcmp(*argv,"-certform") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         s_cert_format = str2fmt(*(++argv));
1048                         }
1049                 else if (strcmp(*argv,"-key") == 0)
1050                         {
1051                         if (--argc < 1) goto bad;
1052                         s_key_file= *(++argv);
1053                         }
1054                 else if (strcmp(*argv,"-keyform") == 0)
1055                         {
1056                         if (--argc < 1) goto bad;
1057                         s_key_format = str2fmt(*(++argv));
1058                         }
1059                 else if (strcmp(*argv,"-pass") == 0)
1060                         {
1061                         if (--argc < 1) goto bad;
1062                         passarg = *(++argv);
1063                         }
1064                 else if (strcmp(*argv,"-dhparam") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         dhfile = *(++argv);
1068                         }
1069 #ifndef OPENSSL_NO_ECDH
1070                 else if (strcmp(*argv,"-named_curve") == 0)
1071                         {
1072                         if (--argc < 1) goto bad;
1073                         named_curve = *(++argv);
1074                         }
1075 #endif
1076                 else if (strcmp(*argv,"-dcertform") == 0)
1077                         {
1078                         if (--argc < 1) goto bad;
1079                         s_dcert_format = str2fmt(*(++argv));
1080                         }
1081                 else if (strcmp(*argv,"-dcert") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         s_dcert_file= *(++argv);
1085                         }
1086                 else if (strcmp(*argv,"-dkeyform") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         s_dkey_format = str2fmt(*(++argv));
1090                         }
1091                 else if (strcmp(*argv,"-dpass") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         dpassarg = *(++argv);
1095                         }
1096                 else if (strcmp(*argv,"-dkey") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         s_dkey_file= *(++argv);
1100                         }
1101                 else if (strcmp(*argv,"-nocert") == 0)
1102                         {
1103                         nocert=1;
1104                         }
1105                 else if (strcmp(*argv,"-CApath") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         CApath= *(++argv);
1109                         }
1110                 else if (strcmp(*argv,"-no_cache") == 0)
1111                         no_cache = 1;
1112                 else if (strcmp(*argv,"-ext_cache") == 0)
1113                         ext_cache = 1;
1114                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1115                         {
1116                         if (badarg)
1117                                 goto bad;
1118                         continue;
1119                         }
1120                 else if (strcmp(*argv,"-verify_return_error") == 0)
1121                         verify_return_error = 1;
1122                 else if (strcmp(*argv,"-serverpref") == 0)
1123                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1124                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1125                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1126                 else if (strcmp(*argv,"-cipher") == 0)
1127                         {
1128                         if (--argc < 1) goto bad;
1129                         cipher= *(++argv);
1130                         }
1131                 else if (strcmp(*argv,"-CAfile") == 0)
1132                         {
1133                         if (--argc < 1) goto bad;
1134                         CAfile= *(++argv);
1135                         }
1136 #ifdef FIONBIO
1137                 else if (strcmp(*argv,"-nbio") == 0)
1138                         { s_nbio=1; }
1139 #endif
1140                 else if (strcmp(*argv,"-nbio_test") == 0)
1141                         {
1142 #ifdef FIONBIO
1143                         s_nbio=1;
1144 #endif
1145                         s_nbio_test=1;
1146                         }
1147                 else if (strcmp(*argv,"-debug") == 0)
1148                         { s_debug=1; }
1149 #ifndef OPENSSL_NO_TLSEXT
1150                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1151                         s_tlsextdebug=1;
1152                 else if (strcmp(*argv,"-status") == 0)
1153                         s_tlsextstatus=1;
1154                 else if (strcmp(*argv,"-status_verbose") == 0)
1155                         {
1156                         s_tlsextstatus=1;
1157                         tlscstatp.verbose = 1;
1158                         }
1159                 else if (!strcmp(*argv, "-status_timeout"))
1160                         {
1161                         s_tlsextstatus=1;
1162                         if (--argc < 1) goto bad;
1163                         tlscstatp.timeout = atoi(*(++argv));
1164                         }
1165                 else if (!strcmp(*argv, "-status_url"))
1166                         {
1167                         s_tlsextstatus=1;
1168                         if (--argc < 1) goto bad;
1169                         if (!OCSP_parse_url(*(++argv),
1170                                         &tlscstatp.host,
1171                                         &tlscstatp.port,
1172                                         &tlscstatp.path,
1173                                         &tlscstatp.use_ssl))
1174                                 {
1175                                 BIO_printf(bio_err, "Error parsing URL\n");
1176                                 goto bad;
1177                                 }
1178                         }
1179                 else if (strcmp(*argv,"-curves") == 0)
1180                         {
1181                         if (--argc < 1) goto bad;
1182                         curves= *(++argv);
1183                         }
1184 #endif
1185                 else if (strcmp(*argv,"-msg") == 0)
1186                         { s_msg=1; }
1187                 else if (strcmp(*argv,"-hack") == 0)
1188                         { hack=1; }
1189                 else if (strcmp(*argv,"-state") == 0)
1190                         { state=1; }
1191                 else if (strcmp(*argv,"-crlf") == 0)
1192                         { s_crlf=1; }
1193                 else if (strcmp(*argv,"-quiet") == 0)
1194                         { s_quiet=1; }
1195                 else if (strcmp(*argv,"-bugs") == 0)
1196                         { bugs=1; }
1197                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1198                         { no_tmp_rsa=1; }
1199                 else if (strcmp(*argv,"-no_dhe") == 0)
1200                         { no_dhe=1; }
1201                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1202                         { no_ecdhe=1; }
1203                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1204                         { no_resume_ephemeral = 1; }
1205 #ifndef OPENSSL_NO_PSK
1206                 else if (strcmp(*argv,"-psk_hint") == 0)
1207                         {
1208                         if (--argc < 1) goto bad;
1209                         psk_identity_hint= *(++argv);
1210                         }
1211                 else if (strcmp(*argv,"-psk") == 0)
1212                         {
1213                         size_t i;
1214
1215                         if (--argc < 1) goto bad;
1216                         psk_key=*(++argv);
1217                         for (i=0; i<strlen(psk_key); i++)
1218                                 {
1219                                 if (isxdigit((unsigned char)psk_key[i]))
1220                                         continue;
1221                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1222                                 goto bad;
1223                                 }
1224                         }
1225 #endif
1226 #ifndef OPENSSL_NO_SRP
1227                 else if (strcmp(*argv, "-srpvfile") == 0)
1228                         {
1229                         if (--argc < 1) goto bad;
1230                         srp_verifier_file = *(++argv);
1231                         meth = TLSv1_server_method();
1232                         }
1233                 else if (strcmp(*argv, "-srpuserseed") == 0)
1234                         {
1235                         if (--argc < 1) goto bad;
1236                         srpuserseed = *(++argv);
1237                         meth = TLSv1_server_method();
1238                         }
1239 #endif
1240                 else if (strcmp(*argv,"-www") == 0)
1241                         { www=1; }
1242                 else if (strcmp(*argv,"-WWW") == 0)
1243                         { www=2; }
1244                 else if (strcmp(*argv,"-HTTP") == 0)
1245                         { www=3; }
1246                 else if (strcmp(*argv,"-no_ssl2") == 0)
1247                         { off|=SSL_OP_NO_SSLv2; }
1248                 else if (strcmp(*argv,"-no_ssl3") == 0)
1249                         { off|=SSL_OP_NO_SSLv3; }
1250                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1251                         { off|=SSL_OP_NO_TLSv1_2; }
1252                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1253                         { off|=SSL_OP_NO_TLSv1_1; }
1254                 else if (strcmp(*argv,"-no_tls1") == 0)
1255                         { off|=SSL_OP_NO_TLSv1; }
1256                 else if (strcmp(*argv,"-no_comp") == 0)
1257                         { off|=SSL_OP_NO_COMPRESSION; }
1258 #ifndef OPENSSL_NO_TLSEXT
1259                 else if (strcmp(*argv,"-no_ticket") == 0)
1260                         { off|=SSL_OP_NO_TICKET; }
1261 #endif
1262 #ifndef OPENSSL_NO_SSL2
1263                 else if (strcmp(*argv,"-ssl2") == 0)
1264                         { meth=SSLv2_server_method(); }
1265 #endif
1266 #ifndef OPENSSL_NO_SSL3
1267                 else if (strcmp(*argv,"-ssl3") == 0)
1268                         { meth=SSLv3_server_method(); }
1269 #endif
1270 #ifndef OPENSSL_NO_TLS1
1271                 else if (strcmp(*argv,"-tls1_2") == 0)
1272                         { meth=TLSv1_2_server_method(); }
1273                 else if (strcmp(*argv,"-tls1_1") == 0)
1274                         { meth=TLSv1_1_server_method(); }
1275                 else if (strcmp(*argv,"-tls1") == 0)
1276                         { meth=TLSv1_server_method(); }
1277                 else if (strcmp(*argv,"-tls1_1") == 0)
1278                         { meth=TLSv1_1_server_method(); }
1279 #endif
1280 #ifndef OPENSSL_NO_DTLS1
1281                 else if (strcmp(*argv,"-dtls1") == 0)
1282                         {
1283                         meth=DTLSv1_server_method();
1284                         socket_type = SOCK_DGRAM;
1285                         }
1286                 else if (strcmp(*argv,"-timeout") == 0)
1287                         enable_timeouts = 1;
1288                 else if (strcmp(*argv,"-mtu") == 0)
1289                         {
1290                         if (--argc < 1) goto bad;
1291                         socket_mtu = atol(*(++argv));
1292                         }
1293                 else if (strcmp(*argv, "-chain") == 0)
1294                         cert_chain = 1;
1295 #endif
1296                 else if (strcmp(*argv, "-id_prefix") == 0)
1297                         {
1298                         if (--argc < 1) goto bad;
1299                         session_id_prefix = *(++argv);
1300                         }
1301 #ifndef OPENSSL_NO_ENGINE
1302                 else if (strcmp(*argv,"-engine") == 0)
1303                         {
1304                         if (--argc < 1) goto bad;
1305                         engine_id= *(++argv);
1306                         }
1307 #endif
1308                 else if (strcmp(*argv,"-rand") == 0)
1309                         {
1310                         if (--argc < 1) goto bad;
1311                         inrand= *(++argv);
1312                         }
1313 #ifndef OPENSSL_NO_TLSEXT
1314                 else if (strcmp(*argv,"-servername") == 0)
1315                         {
1316                         if (--argc < 1) goto bad;
1317                         tlsextcbp.servername= *(++argv);
1318                         }
1319                 else if (strcmp(*argv,"-servername_fatal") == 0)
1320                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1321                 else if (strcmp(*argv,"-cert2") == 0)
1322                         {
1323                         if (--argc < 1) goto bad;
1324                         s_cert_file2= *(++argv);
1325                         }
1326                 else if (strcmp(*argv,"-key2") == 0)
1327                         {
1328                         if (--argc < 1) goto bad;
1329                         s_key_file2= *(++argv);
1330                         }
1331 # ifndef OPENSSL_NO_NEXTPROTONEG
1332                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1333                         {
1334                         if (--argc < 1) goto bad;
1335                         next_proto_neg_in = *(++argv);
1336                         }
1337 # endif
1338 #endif
1339 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1340                 else if (strcmp(*argv,"-jpake") == 0)
1341                         {
1342                         if (--argc < 1) goto bad;
1343                         jpake_secret = *(++argv);
1344                         }
1345 #endif
1346                 else if (strcmp(*argv,"-use_srtp") == 0)
1347                         {
1348                         if (--argc < 1) goto bad;
1349                         srtp_profiles = *(++argv);
1350                         }
1351                 else if (strcmp(*argv,"-keymatexport") == 0)
1352                         {
1353                         if (--argc < 1) goto bad;
1354                         keymatexportlabel= *(++argv);
1355                         }
1356                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1357                         {
1358                         if (--argc < 1) goto bad;
1359                         keymatexportlen=atoi(*(++argv));
1360                         if (keymatexportlen == 0) goto bad;
1361                         }
1362                 else
1363                         {
1364                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1365                         badop=1;
1366                         break;
1367                         }
1368                 argc--;
1369                 argv++;
1370                 }
1371         if (badop)
1372                 {
1373 bad:
1374                 sv_usage();
1375                 goto end;
1376                 }
1377
1378 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1379         if (jpake_secret)
1380                 {
1381                 if (psk_key)
1382                         {
1383                         BIO_printf(bio_err,
1384                                    "Can't use JPAKE and PSK together\n");
1385                         goto end;
1386                         }
1387                 psk_identity = "JPAKE";
1388                 if (cipher)
1389                         {
1390                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1391                         goto end;
1392                         }
1393                 cipher = "PSK";
1394                 }
1395
1396 #endif
1397
1398         SSL_load_error_strings();
1399         OpenSSL_add_ssl_algorithms();
1400
1401 #ifndef OPENSSL_NO_ENGINE
1402         e = setup_engine(bio_err, engine_id, 1);
1403 #endif
1404
1405         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1406                 {
1407                 BIO_printf(bio_err, "Error getting password\n");
1408                 goto end;
1409                 }
1410
1411
1412         if (s_key_file == NULL)
1413                 s_key_file = s_cert_file;
1414 #ifndef OPENSSL_NO_TLSEXT
1415         if (s_key_file2 == NULL)
1416                 s_key_file2 = s_cert_file2;
1417 #endif
1418
1419         if (nocert == 0)
1420                 {
1421                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1422                        "server certificate private key file");
1423                 if (!s_key)
1424                         {
1425                         ERR_print_errors(bio_err);
1426                         goto end;
1427                         }
1428
1429                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1430                         NULL, e, "server certificate file");
1431
1432                 if (!s_cert)
1433                         {
1434                         ERR_print_errors(bio_err);
1435                         goto end;
1436                         }
1437
1438 #ifndef OPENSSL_NO_TLSEXT
1439                 if (tlsextcbp.servername)
1440                         {
1441                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1442                                 "second server certificate private key file");
1443                         if (!s_key2)
1444                                 {
1445                                 ERR_print_errors(bio_err);
1446                                 goto end;
1447                                 }
1448
1449                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1450                                 NULL, e, "second server certificate file");
1451
1452                         if (!s_cert2)
1453                                 {
1454                                 ERR_print_errors(bio_err);
1455                                 goto end;
1456                                 }
1457                         }
1458 # ifndef OPENSSL_NO_NEXTPROTONEG
1459                 if (next_proto_neg_in)
1460                         {
1461                         unsigned short len;
1462                         next_proto.data = next_protos_parse(&len,
1463                                 next_proto_neg_in);
1464                         if (next_proto.data == NULL)
1465                                 goto end;
1466                         next_proto.len = len;
1467                         }
1468                 else
1469                         {
1470                         next_proto.data = NULL;
1471                         }
1472 # endif
1473 #endif
1474                 }
1475
1476
1477         if (s_dcert_file)
1478                 {
1479
1480                 if (s_dkey_file == NULL)
1481                         s_dkey_file = s_dcert_file;
1482
1483                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1484                                 0, dpass, e,
1485                                "second certificate private key file");
1486                 if (!s_dkey)
1487                         {
1488                         ERR_print_errors(bio_err);
1489                         goto end;
1490                         }
1491
1492                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1493                                 NULL, e, "second server certificate file");
1494
1495                 if (!s_dcert)
1496                         {
1497                         ERR_print_errors(bio_err);
1498                         goto end;
1499                         }
1500
1501                 }
1502
1503         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1504                 && !RAND_status())
1505                 {
1506                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1507                 }
1508         if (inrand != NULL)
1509                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1510                         app_RAND_load_files(inrand));
1511
1512         if (bio_s_out == NULL)
1513                 {
1514                 if (s_quiet && !s_debug && !s_msg)
1515                         {
1516                         bio_s_out=BIO_new(BIO_s_null());
1517                         }
1518                 else
1519                         {
1520                         if (bio_s_out == NULL)
1521                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1522                         }
1523                 }
1524
1525 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1526         if (nocert)
1527 #endif
1528                 {
1529                 s_cert_file=NULL;
1530                 s_key_file=NULL;
1531                 s_dcert_file=NULL;
1532                 s_dkey_file=NULL;
1533 #ifndef OPENSSL_NO_TLSEXT
1534                 s_cert_file2=NULL;
1535                 s_key_file2=NULL;
1536 #endif
1537                 }
1538
1539         ctx=SSL_CTX_new(meth);
1540         if (ctx == NULL)
1541                 {
1542                 ERR_print_errors(bio_err);
1543                 goto end;
1544                 }
1545         if (session_id_prefix)
1546                 {
1547                 if(strlen(session_id_prefix) >= 32)
1548                         BIO_printf(bio_err,
1549 "warning: id_prefix is too long, only one new session will be possible\n");
1550                 else if(strlen(session_id_prefix) >= 16)
1551                         BIO_printf(bio_err,
1552 "warning: id_prefix is too long if you use SSLv2\n");
1553                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1554                         {
1555                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1556                         ERR_print_errors(bio_err);
1557                         goto end;
1558                         }
1559                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1560                 }
1561         SSL_CTX_set_quiet_shutdown(ctx,1);
1562         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1563         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1564         SSL_CTX_set_options(ctx,off);
1565         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1566          * Setting read ahead solves this problem.
1567          */
1568         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1569
1570         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1571         if (no_cache)
1572                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1573         else if (ext_cache)
1574                 init_session_cache_ctx(ctx);
1575         else
1576                 SSL_CTX_sess_set_cache_size(ctx,128);
1577
1578         if (srtp_profiles != NULL)
1579                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1580
1581 #if 0
1582         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1583 #endif
1584
1585 #if 0
1586         if (s_cert_file == NULL)
1587                 {
1588                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1589                 goto end;
1590                 }
1591 #endif
1592
1593         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1594                 (!SSL_CTX_set_default_verify_paths(ctx)))
1595                 {
1596                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1597                 ERR_print_errors(bio_err);
1598                 /* goto end; */
1599                 }
1600         if (vpm)
1601                 SSL_CTX_set1_param(ctx, vpm);
1602
1603 #ifndef OPENSSL_NO_TLSEXT
1604         if (s_cert2)
1605                 {
1606                 ctx2=SSL_CTX_new(meth);
1607                 if (ctx2 == NULL)
1608                         {
1609                         ERR_print_errors(bio_err);
1610                         goto end;
1611                         }
1612                 }
1613
1614         if (ctx2)
1615                 {
1616                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1617
1618                 if (session_id_prefix)
1619                         {
1620                         if(strlen(session_id_prefix) >= 32)
1621                                 BIO_printf(bio_err,
1622                                         "warning: id_prefix is too long, only one new session will be possible\n");
1623                         else if(strlen(session_id_prefix) >= 16)
1624                                 BIO_printf(bio_err,
1625                                         "warning: id_prefix is too long if you use SSLv2\n");
1626                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1627                                 {
1628                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1629                                 ERR_print_errors(bio_err);
1630                                 goto end;
1631                                 }
1632                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1633                         }
1634                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1635                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1636                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1637                 SSL_CTX_set_options(ctx2,off);
1638                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1639                  * Setting read ahead solves this problem.
1640                  */
1641                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1642
1643                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1644
1645                 if (no_cache)
1646                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1647                 else if (ext_cache)
1648                         init_session_cache_ctx(ctx2);
1649                 else
1650                         SSL_CTX_sess_set_cache_size(ctx2,128);
1651
1652                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1653                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1654                         {
1655                         ERR_print_errors(bio_err);
1656                         }
1657                 if (vpm)
1658                         SSL_CTX_set1_param(ctx2, vpm);
1659                 }
1660
1661 # ifndef OPENSSL_NO_NEXTPROTONEG
1662         if (next_proto.data)
1663                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1664 # endif
1665 #endif
1666
1667 #ifndef OPENSSL_NO_DH
1668         if (!no_dhe)
1669                 {
1670                 DH *dh=NULL;
1671
1672                 if (dhfile)
1673                         dh = load_dh_param(dhfile);
1674                 else if (s_cert_file)
1675                         dh = load_dh_param(s_cert_file);
1676
1677                 if (dh != NULL)
1678                         {
1679                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1680                         }
1681                 else
1682                         {
1683                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1684                         dh=get_dh512();
1685                         }
1686                 (void)BIO_flush(bio_s_out);
1687
1688                 SSL_CTX_set_tmp_dh(ctx,dh);
1689 #ifndef OPENSSL_NO_TLSEXT
1690                 if (ctx2)
1691                         {
1692                         if (!dhfile)
1693                                 {
1694                                 DH *dh2=load_dh_param(s_cert_file2);
1695                                 if (dh2 != NULL)
1696                                         {
1697                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1698                                         (void)BIO_flush(bio_s_out);
1699
1700                                         DH_free(dh);
1701                                         dh = dh2;
1702                                         }
1703                                 }
1704                         SSL_CTX_set_tmp_dh(ctx2,dh);
1705                         }
1706 #endif
1707                 DH_free(dh);
1708                 }
1709 #endif
1710
1711 #ifndef OPENSSL_NO_ECDH
1712         if (!no_ecdhe)
1713                 {
1714                 EC_KEY *ecdh=NULL;
1715
1716                 if (named_curve)
1717                         {
1718                         int nid = OBJ_sn2nid(named_curve);
1719
1720                         if (nid == 0)
1721                                 {
1722                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1723                                         named_curve);
1724                                 goto end;
1725                                 }
1726                         ecdh = EC_KEY_new_by_curve_name(nid);
1727                         if (ecdh == NULL)
1728                                 {
1729                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1730                                         named_curve);
1731                                 goto end;
1732                                 }
1733                         }
1734
1735                 if (ecdh != NULL)
1736                         {
1737                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1738                         }
1739                 else
1740                         {
1741                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1742                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1743                         if (ecdh == NULL)
1744                                 {
1745                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1746                                 goto end;
1747                                 }
1748                         }
1749                 (void)BIO_flush(bio_s_out);
1750
1751                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1752 #ifndef OPENSSL_NO_TLSEXT
1753                 if (ctx2)
1754                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1755 #endif
1756                 EC_KEY_free(ecdh);
1757                 }
1758 #endif
1759
1760         if (!set_cert_key_stuff(ctx,s_cert,s_key))
1761                 goto end;
1762 #ifndef OPENSSL_NO_TLSEXT
1763         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2))
1764                 goto end;
1765 #endif
1766         if (s_dcert != NULL)
1767                 {
1768                 if (!set_cert_key_stuff(ctx,s_dcert,s_dkey))
1769                         goto end;
1770                 }
1771
1772 #ifndef OPENSSL_NO_RSA
1773 #if 1
1774         if (!no_tmp_rsa)
1775                 {
1776                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1777 #ifndef OPENSSL_NO_TLSEXT
1778                 if (ctx2)
1779                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1780 #endif
1781                 }
1782 #else
1783         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1784                 {
1785                 RSA *rsa;
1786
1787                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1788                 BIO_flush(bio_s_out);
1789
1790                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1791
1792                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1793                         {
1794                         ERR_print_errors(bio_err);
1795                         goto end;
1796                         }
1797 #ifndef OPENSSL_NO_TLSEXT
1798                         if (ctx2)
1799                                 {
1800                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1801                                         {
1802                                         ERR_print_errors(bio_err);
1803                                         goto end;
1804                                         }
1805                                 }
1806 #endif
1807                 RSA_free(rsa);
1808                 BIO_printf(bio_s_out,"\n");
1809                 }
1810 #endif
1811 #endif
1812
1813         if (no_resume_ephemeral)
1814                 {
1815                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1816 #ifndef OPENSSL_NO_TLSEXT
1817                 if (ctx2)
1818                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1819 #endif
1820                 }
1821
1822 #ifndef OPENSSL_NO_PSK
1823 #ifdef OPENSSL_NO_JPAKE
1824         if (psk_key != NULL)
1825 #else
1826         if (psk_key != NULL || jpake_secret)
1827 #endif
1828                 {
1829                 if (s_debug)
1830                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1831                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1832                 }
1833
1834         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1835                 {
1836                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1837                 ERR_print_errors(bio_err);
1838                 goto end;
1839                 }
1840 #endif
1841
1842         if (cipher != NULL)
1843                 {
1844                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1845                         {
1846                         BIO_printf(bio_err,"error setting cipher list\n");
1847                         ERR_print_errors(bio_err);
1848                         goto end;
1849                         }
1850 #ifndef OPENSSL_NO_TLSEXT
1851                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1852                         {
1853                         BIO_printf(bio_err,"error setting cipher list\n");
1854                         ERR_print_errors(bio_err);
1855                         goto end;
1856                         }
1857 #endif
1858                 }
1859 #ifndef OPENSSL_NO_TLSEXT
1860         if (curves)
1861                 {
1862                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1863                         {
1864                         BIO_printf(bio_err,"error setting curves list\n");
1865                         ERR_print_errors(bio_err);
1866                         goto end;
1867                         }
1868                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1869                         {
1870                         BIO_printf(bio_err,"error setting curves list\n");
1871                         ERR_print_errors(bio_err);
1872                         goto end;
1873                         }
1874                 }
1875 #endif
1876         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1877         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1878                 sizeof s_server_session_id_context);
1879
1880         /* Set DTLS cookie generation and verification callbacks */
1881         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1882         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1883
1884 #ifndef OPENSSL_NO_TLSEXT
1885         if (ctx2)
1886                 {
1887                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1888                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1889                         sizeof s_server_session_id_context);
1890
1891                 tlsextcbp.biodebug = bio_s_out;
1892                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1893                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1894                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1895                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1896                 }
1897 #endif
1898
1899 #ifndef OPENSSL_NO_SRP
1900         if (srp_verifier_file != NULL)
1901                 {
1902                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1903                 srp_callback_parm.user = NULL;
1904                 srp_callback_parm.login = NULL;
1905                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1906                         {
1907                         BIO_printf(bio_err,
1908                                            "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1909                                            srp_verifier_file,ret);
1910                                 goto end;
1911                         }
1912                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1913                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1914                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1915                 }
1916         else
1917 #endif
1918         if (CAfile != NULL)
1919                 {
1920                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1921 #ifndef OPENSSL_NO_TLSEXT
1922                 if (ctx2)
1923                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1924 #endif
1925                 }
1926
1927         BIO_printf(bio_s_out,"ACCEPT\n");
1928         (void)BIO_flush(bio_s_out);
1929         if (www)
1930                 do_server(port,socket_type,&accept_socket,www_body, context);
1931         else
1932                 do_server(port,socket_type,&accept_socket,sv_body, context);
1933         print_stats(bio_s_out,ctx);
1934         ret=0;
1935 end:
1936         if (ctx != NULL) SSL_CTX_free(ctx);
1937         if (s_cert)
1938                 X509_free(s_cert);
1939         if (s_dcert)
1940                 X509_free(s_dcert);
1941         if (s_key)
1942                 EVP_PKEY_free(s_key);
1943         if (s_dkey)
1944                 EVP_PKEY_free(s_dkey);
1945         if (pass)
1946                 OPENSSL_free(pass);
1947         if (dpass)
1948                 OPENSSL_free(dpass);
1949         free_sessions();
1950 #ifndef OPENSSL_NO_TLSEXT
1951         if (ctx2 != NULL) SSL_CTX_free(ctx2);
1952         if (s_cert2)
1953                 X509_free(s_cert2);
1954         if (s_key2)
1955                 EVP_PKEY_free(s_key2);
1956 #endif
1957         if (bio_s_out != NULL)
1958                 {
1959         BIO_free(bio_s_out);
1960                 bio_s_out=NULL;
1961                 }
1962         apps_shutdown();
1963         OPENSSL_EXIT(ret);
1964         }
1965
1966 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
1967         {
1968         BIO_printf(bio,"%4ld items in the session cache\n",
1969                 SSL_CTX_sess_number(ssl_ctx));
1970         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
1971                 SSL_CTX_sess_connect(ssl_ctx));
1972         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
1973                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
1974         BIO_printf(bio,"%4ld client connects that finished\n",
1975                 SSL_CTX_sess_connect_good(ssl_ctx));
1976         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
1977                 SSL_CTX_sess_accept(ssl_ctx));
1978         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
1979                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
1980         BIO_printf(bio,"%4ld server accepts that finished\n",
1981                 SSL_CTX_sess_accept_good(ssl_ctx));
1982         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
1983         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
1984         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
1985         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
1986         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
1987                 SSL_CTX_sess_cache_full(ssl_ctx),
1988                 SSL_CTX_sess_get_cache_size(ssl_ctx));
1989         }
1990
1991 static int sv_body(char *hostname, int s, unsigned char *context)
1992         {
1993         char *buf=NULL;
1994         fd_set readfds;
1995         int ret=1,width;
1996         int k,i;
1997         unsigned long l;
1998         SSL *con=NULL;
1999         BIO *sbio;
2000 #ifndef OPENSSL_NO_KRB5
2001         KSSL_CTX *kctx;
2002 #endif
2003         struct timeval timeout;
2004 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2005         struct timeval tv;
2006 #else
2007         struct timeval *timeoutp;
2008 #endif
2009
2010         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2011                 {
2012                 BIO_printf(bio_err,"out of memory\n");
2013                 goto err;
2014                 }
2015 #ifdef FIONBIO
2016         if (s_nbio)
2017                 {
2018                 unsigned long sl=1;
2019
2020                 if (!s_quiet)
2021                         BIO_printf(bio_err,"turning on non blocking io\n");
2022                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2023                         ERR_print_errors(bio_err);
2024                 }
2025 #endif
2026
2027         if (con == NULL) {
2028                 con=SSL_new(ctx);
2029 #ifndef OPENSSL_NO_TLSEXT
2030         if (s_tlsextdebug)
2031                 {
2032                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2033                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2034                 }
2035         if (s_tlsextstatus)
2036                 {
2037                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2038                 tlscstatp.err = bio_err;
2039                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2040                 }
2041 #endif
2042 #ifndef OPENSSL_NO_KRB5
2043                 if ((kctx = kssl_ctx_new()) != NULL)
2044                         {
2045                         SSL_set0_kssl_ctx(con, kctx);
2046                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2047                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2048                         }
2049 #endif  /* OPENSSL_NO_KRB5 */
2050                 if(context)
2051                       SSL_set_session_id_context(con, context,
2052                                                  strlen((char *)context));
2053         }
2054         SSL_clear(con);
2055 #if 0
2056 #ifdef TLSEXT_TYPE_opaque_prf_input
2057         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2058 #endif
2059 #endif
2060
2061         if (SSL_version(con) == DTLS1_VERSION)
2062                 {
2063
2064                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2065
2066                 if (enable_timeouts)
2067                         {
2068                         timeout.tv_sec = 0;
2069                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2070                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2071
2072                         timeout.tv_sec = 0;
2073                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2074                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2075                         }
2076
2077                 if (socket_mtu > 28)
2078                         {
2079                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2080                         SSL_set_mtu(con, socket_mtu - 28);
2081                         }
2082                 else
2083                         /* want to do MTU discovery */
2084                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2085
2086         /* turn on cookie exchange */
2087         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2088                 }
2089         else
2090                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2091
2092         if (s_nbio_test)
2093                 {
2094                 BIO *test;
2095
2096                 test=BIO_new(BIO_f_nbio_test());
2097                 sbio=BIO_push(test,sbio);
2098                 }
2099 #ifndef OPENSSL_NO_JPAKE
2100         if(jpake_secret)
2101                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2102 #endif
2103
2104         SSL_set_bio(con,sbio,sbio);
2105         SSL_set_accept_state(con);
2106         /* SSL_set_fd(con,s); */
2107
2108         if (s_debug)
2109                 {
2110                 SSL_set_debug(con, 1);
2111                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2112                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2113                 }
2114         if (s_msg)
2115                 {
2116                 SSL_set_msg_callback(con, msg_cb);
2117                 SSL_set_msg_callback_arg(con, bio_s_out);
2118                 }
2119 #ifndef OPENSSL_NO_TLSEXT
2120         if (s_tlsextdebug)
2121                 {
2122                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2123                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2124                 }
2125 #endif
2126
2127         width=s+1;
2128         for (;;)
2129                 {
2130                 int read_from_terminal;
2131                 int read_from_sslcon;
2132
2133                 read_from_terminal = 0;
2134                 read_from_sslcon = SSL_pending(con);
2135
2136                 if (!read_from_sslcon)
2137                         {
2138                         FD_ZERO(&readfds);
2139 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2140                         openssl_fdset(fileno(stdin),&readfds);
2141 #endif
2142                         openssl_fdset(s,&readfds);
2143                         /* Note: under VMS with SOCKETSHR the second parameter is
2144                          * currently of type (int *) whereas under other systems
2145                          * it is (void *) if you don't have a cast it will choke
2146                          * the compiler: if you do have a cast then you can either
2147                          * go for (int *) or (void *).
2148                          */
2149 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2150                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2151                          * on sockets. As a workaround we timeout the select every
2152                          * second and check for any keypress. In a proper Windows
2153                          * application we wouldn't do this because it is inefficient.
2154                          */
2155                         tv.tv_sec = 1;
2156                         tv.tv_usec = 0;
2157                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2158                         if((i < 0) || (!i && !_kbhit() ) )continue;
2159                         if(_kbhit())
2160                                 read_from_terminal = 1;
2161 #elif defined(OPENSSL_SYS_BEOS_R5)
2162                         /* Under BeOS-R5 the situation is similar to DOS */
2163                         tv.tv_sec = 1;
2164                         tv.tv_usec = 0;
2165                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2166                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2167                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2168                                 continue;
2169                         if (read(fileno(stdin), buf, 0) >= 0)
2170                                 read_from_terminal = 1;
2171                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2172 #else
2173                         if ((SSL_version(con) == DTLS1_VERSION) &&
2174                                 DTLSv1_get_timeout(con, &timeout))
2175                                 timeoutp = &timeout;
2176                         else
2177                                 timeoutp = NULL;
2178
2179                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2180
2181                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2182                                 {
2183                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2184                                 }
2185
2186                         if (i <= 0) continue;
2187                         if (FD_ISSET(fileno(stdin),&readfds))
2188                                 read_from_terminal = 1;
2189 #endif
2190                         if (FD_ISSET(s,&readfds))
2191                                 read_from_sslcon = 1;
2192                         }
2193                 if (read_from_terminal)
2194                         {
2195                         if (s_crlf)
2196                                 {
2197                                 int j, lf_num;
2198
2199                                 i=raw_read_stdin(buf, bufsize/2);
2200                                 lf_num = 0;
2201                                 /* both loops are skipped when i <= 0 */
2202                                 for (j = 0; j < i; j++)
2203                                         if (buf[j] == '\n')
2204                                                 lf_num++;
2205                                 for (j = i-1; j >= 0; j--)
2206                                         {
2207                                         buf[j+lf_num] = buf[j];
2208                                         if (buf[j] == '\n')
2209                                                 {
2210                                                 lf_num--;
2211                                                 i++;
2212                                                 buf[j+lf_num] = '\r';
2213                                                 }
2214                                         }
2215                                 assert(lf_num == 0);
2216                                 }
2217                         else
2218                                 i=raw_read_stdin(buf,bufsize);
2219                         if (!s_quiet)
2220                                 {
2221                                 if ((i <= 0) || (buf[0] == 'Q'))
2222                                         {
2223                                         BIO_printf(bio_s_out,"DONE\n");
2224                                         SHUTDOWN(s);
2225                                         close_accept_socket();
2226                                         ret= -11;
2227                                         goto err;
2228                                         }
2229                                 if ((i <= 0) || (buf[0] == 'q'))
2230                                         {
2231                                         BIO_printf(bio_s_out,"DONE\n");
2232                                         if (SSL_version(con) != DTLS1_VERSION)
2233                         SHUTDOWN(s);
2234         /*                              close_accept_socket();
2235                                         ret= -11;*/
2236                                         goto err;
2237                                         }
2238
2239 #ifndef OPENSSL_NO_HEARTBEATS
2240                                 if ((buf[0] == 'B') &&
2241                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2242                                         {
2243                                         BIO_printf(bio_err,"HEARTBEATING\n");
2244                                         SSL_heartbeat(con);
2245                                         i=0;
2246                                         continue;
2247                                         }
2248 #endif
2249                                 if ((buf[0] == 'r') &&
2250                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2251                                         {
2252                                         SSL_renegotiate(con);
2253                                         i=SSL_do_handshake(con);
2254                                         printf("SSL_do_handshake -> %d\n",i);
2255                                         i=0; /*13; */
2256                                         continue;
2257                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2258                                         }
2259                                 if ((buf[0] == 'R') &&
2260                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2261                                         {
2262                                         SSL_set_verify(con,
2263                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2264                                         SSL_renegotiate(con);
2265                                         i=SSL_do_handshake(con);
2266                                         printf("SSL_do_handshake -> %d\n",i);
2267                                         i=0; /* 13; */
2268                                         continue;
2269                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2270                                         }
2271                                 if (buf[0] == 'P')
2272                                         {
2273                                         static const char *str="Lets print some clear text\n";
2274                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2275                                         }
2276                                 if (buf[0] == 'S')
2277                                         {
2278                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2279                                         }
2280                                 }
2281 #ifdef CHARSET_EBCDIC
2282                         ebcdic2ascii(buf,buf,i);
2283 #endif
2284                         l=k=0;
2285                         for (;;)
2286                                 {
2287                                 /* should do a select for the write */
2288 #ifdef RENEG
2289 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2290 #endif
2291                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2292 #ifndef OPENSSL_NO_SRP
2293                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2294                                         {
2295                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2296                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2297                                         if (srp_callback_parm.user)
2298                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2299                                         else
2300                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2301                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2302                                         }
2303 #endif
2304                                 switch (SSL_get_error(con,k))
2305                                         {
2306                                 case SSL_ERROR_NONE:
2307                                         break;
2308                                 case SSL_ERROR_WANT_WRITE:
2309                                 case SSL_ERROR_WANT_READ:
2310                                 case SSL_ERROR_WANT_X509_LOOKUP:
2311                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2312                                         break;
2313                                 case SSL_ERROR_SYSCALL:
2314                                 case SSL_ERROR_SSL:
2315                                         BIO_printf(bio_s_out,"ERROR\n");
2316                                         ERR_print_errors(bio_err);
2317                                         ret=1;
2318                                         goto err;
2319                                         /* break; */
2320                                 case SSL_ERROR_ZERO_RETURN:
2321                                         BIO_printf(bio_s_out,"DONE\n");
2322                                         ret=1;
2323                                         goto err;
2324                                         }
2325                                 l+=k;
2326                                 i-=k;
2327                                 if (i <= 0) break;
2328                                 }
2329                         }
2330                 if (read_from_sslcon)
2331                         {
2332                         if (!SSL_is_init_finished(con))
2333                                 {
2334                                 i=init_ssl_connection(con);
2335
2336                                 if (i < 0)
2337                                         {
2338                                         ret=0;
2339                                         goto err;
2340                                         }
2341                                 else if (i == 0)
2342                                         {
2343                                         ret=1;
2344                                         goto err;
2345                                         }
2346                                 }
2347                         else
2348                                 {
2349 again:
2350                                 i=SSL_read(con,(char *)buf,bufsize);
2351 #ifndef OPENSSL_NO_SRP
2352                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2353                                         {
2354                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2355                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2356                                         if (srp_callback_parm.user)
2357                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2358                                         else
2359                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2360                                         i=SSL_read(con,(char *)buf,bufsize);
2361                                         }
2362 #endif
2363                                 switch (SSL_get_error(con,i))
2364                                         {
2365                                 case SSL_ERROR_NONE:
2366 #ifdef CHARSET_EBCDIC
2367                                         ascii2ebcdic(buf,buf,i);
2368 #endif
2369                                         raw_write_stdout(buf,
2370                                                 (unsigned int)i);
2371                                         if (SSL_pending(con)) goto again;
2372                                         break;
2373                                 case SSL_ERROR_WANT_WRITE:
2374                                 case SSL_ERROR_WANT_READ:
2375                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2376                                         break;
2377                                 case SSL_ERROR_SYSCALL:
2378                                 case SSL_ERROR_SSL:
2379                                         BIO_printf(bio_s_out,"ERROR\n");
2380                                         ERR_print_errors(bio_err);
2381                                         ret=1;
2382                                         goto err;
2383                                 case SSL_ERROR_ZERO_RETURN:
2384                                         BIO_printf(bio_s_out,"DONE\n");
2385                                         ret=1;
2386                                         goto err;
2387                                         }
2388                                 }
2389                         }
2390                 }
2391 err:
2392         if (con != NULL)
2393                 {
2394                 BIO_printf(bio_s_out,"shutting down SSL\n");
2395 #if 1
2396                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2397 #else
2398                 SSL_shutdown(con);
2399 #endif
2400                 SSL_free(con);
2401                 }
2402         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2403         if (buf != NULL)
2404                 {
2405                 OPENSSL_cleanse(buf,bufsize);
2406                 OPENSSL_free(buf);
2407                 }
2408         if (ret >= 0)
2409                 BIO_printf(bio_s_out,"ACCEPT\n");
2410         return(ret);
2411         }
2412
2413 static void close_accept_socket(void)
2414         {
2415         BIO_printf(bio_err,"shutdown accept socket\n");
2416         if (accept_socket >= 0)
2417                 {
2418                 SHUTDOWN2(accept_socket);
2419                 }
2420         }
2421
2422 static int init_ssl_connection(SSL *con)
2423         {
2424         int i;
2425         const char *str;
2426         X509 *peer;
2427         long verify_error;
2428         MS_STATIC char buf[BUFSIZ];
2429 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2430         const unsigned char *next_proto_neg;
2431         unsigned next_proto_neg_len;
2432 #endif
2433 #ifndef OPENSSL_NO_KRB5
2434         char *client_princ;
2435 #endif
2436         unsigned char *exportedkeymat;
2437
2438
2439         i=SSL_accept(con);
2440 #ifndef OPENSSL_NO_SRP
2441         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2442                 {
2443                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2444                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2445                         if (srp_callback_parm.user)
2446                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2447                         else
2448                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2449                         i=SSL_accept(con);
2450                 }
2451 #endif
2452         if (i <= 0)
2453                 {
2454                 if (BIO_sock_should_retry(i))
2455                         {
2456                         BIO_printf(bio_s_out,"DELAY\n");
2457                         return(1);
2458                         }
2459
2460                 BIO_printf(bio_err,"ERROR\n");
2461                 verify_error=SSL_get_verify_result(con);
2462                 if (verify_error != X509_V_OK)
2463                         {
2464                         BIO_printf(bio_err,"verify error:%s\n",
2465                                 X509_verify_cert_error_string(verify_error));
2466                         }
2467                 else
2468                         ERR_print_errors(bio_err);
2469                 return(0);
2470                 }
2471
2472         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2473
2474         peer=SSL_get_peer_certificate(con);
2475         if (peer != NULL)
2476                 {
2477                 BIO_printf(bio_s_out,"Client certificate\n");
2478                 PEM_write_bio_X509(bio_s_out,peer);
2479                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2480                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2481                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2482                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2483                 X509_free(peer);
2484                 }
2485
2486         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2487                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2488         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2489         ssl_print_sigalgs(bio_s_out, con);
2490         ssl_print_curves(bio_s_out, con);
2491         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2492
2493 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2494         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2495         if (next_proto_neg)
2496                 {
2497                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2498                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2499                 BIO_printf(bio_s_out, "\n");
2500                 }
2501 #endif
2502         {
2503         SRTP_PROTECTION_PROFILE *srtp_profile
2504           = SSL_get_selected_srtp_profile(con);
2505
2506         if(srtp_profile)
2507                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2508                            srtp_profile->name);
2509         }
2510         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2511         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2512                 TLS1_FLAGS_TLS_PADDING_BUG)
2513                 BIO_printf(bio_s_out,
2514                            "Peer has incorrect TLSv1 block padding\n");
2515 #ifndef OPENSSL_NO_KRB5
2516         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2517         if (client_princ != NULL)
2518                 {
2519                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2520                                                                 client_princ);
2521                 }
2522 #endif /* OPENSSL_NO_KRB5 */
2523         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2524                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2525         if (keymatexportlabel != NULL)
2526                 {
2527                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2528                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2529                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2530                            keymatexportlen);
2531                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2532                 if (exportedkeymat != NULL)
2533                         {
2534                         if (!SSL_export_keying_material(con, exportedkeymat,
2535                                                         keymatexportlen,
2536                                                         keymatexportlabel,
2537                                                         strlen(keymatexportlabel),
2538                                                         NULL, 0, 0))
2539                                 {
2540                                 BIO_printf(bio_s_out, "    Error\n");
2541                                 }
2542                         else
2543                                 {
2544                                 BIO_printf(bio_s_out, "    Keying material: ");
2545                                 for (i=0; i<keymatexportlen; i++)
2546                                         BIO_printf(bio_s_out, "%02X",
2547                                                    exportedkeymat[i]);
2548                                 BIO_printf(bio_s_out, "\n");
2549                                 }
2550                         OPENSSL_free(exportedkeymat);
2551                         }
2552                 }
2553
2554         return(1);
2555         }
2556
2557 #ifndef OPENSSL_NO_DH
2558 static DH *load_dh_param(const char *dhfile)
2559         {
2560         DH *ret=NULL;
2561         BIO *bio;
2562
2563         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2564                 goto err;
2565         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2566 err:
2567         if (bio != NULL) BIO_free(bio);
2568         return(ret);
2569         }
2570 #endif
2571
2572 #if 0
2573 static int load_CA(SSL_CTX *ctx, char *file)
2574         {
2575         FILE *in;
2576         X509 *x=NULL;
2577
2578         if ((in=fopen(file,"r")) == NULL)
2579                 return(0);
2580
2581         for (;;)
2582                 {
2583                 if (PEM_read_X509(in,&x,NULL) == NULL)
2584                         break;
2585                 SSL_CTX_add_client_CA(ctx,x);
2586                 }
2587         if (x != NULL) X509_free(x);
2588         fclose(in);
2589         return(1);
2590         }
2591 #endif
2592
2593 static int www_body(char *hostname, int s, unsigned char *context)
2594         {
2595         char *buf=NULL;
2596         int ret=1;
2597         int i,j,k,dot;
2598         SSL *con;
2599         const SSL_CIPHER *c;
2600         BIO *io,*ssl_bio,*sbio;
2601 #ifndef OPENSSL_NO_KRB5
2602         KSSL_CTX *kctx;
2603 #endif
2604
2605         buf=OPENSSL_malloc(bufsize);
2606         if (buf == NULL) return(0);
2607         io=BIO_new(BIO_f_buffer());
2608         ssl_bio=BIO_new(BIO_f_ssl());
2609         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2610
2611 #ifdef FIONBIO
2612         if (s_nbio)
2613                 {
2614                 unsigned long sl=1;
2615
2616                 if (!s_quiet)
2617                         BIO_printf(bio_err,"turning on non blocking io\n");
2618                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2619                         ERR_print_errors(bio_err);
2620                 }
2621 #endif
2622
2623         /* lets make the output buffer a reasonable size */
2624         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2625
2626         if ((con=SSL_new(ctx)) == NULL) goto err;
2627 #ifndef OPENSSL_NO_TLSEXT
2628                 if (s_tlsextdebug)
2629                         {
2630                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2631                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2632                         }
2633 #endif
2634 #ifndef OPENSSL_NO_KRB5
2635         if ((kctx = kssl_ctx_new()) != NULL)
2636                 {
2637                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2638                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2639                 }
2640 #endif  /* OPENSSL_NO_KRB5 */
2641         if(context) SSL_set_session_id_context(con, context,
2642                                                strlen((char *)context));
2643
2644         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2645         if (s_nbio_test)
2646                 {
2647                 BIO *test;
2648
2649                 test=BIO_new(BIO_f_nbio_test());
2650                 sbio=BIO_push(test,sbio);
2651                 }
2652         SSL_set_bio(con,sbio,sbio);
2653         SSL_set_accept_state(con);
2654         /* SSL_set_fd(con,s); */
2655         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2656         BIO_push(io,ssl_bio);
2657 #ifdef CHARSET_EBCDIC
2658         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2659 #endif
2660
2661         if (s_debug)
2662                 {
2663                 SSL_set_debug(con, 1);
2664                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2665                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2666                 }
2667         if (s_msg)
2668                 {
2669                 SSL_set_msg_callback(con, msg_cb);
2670                 SSL_set_msg_callback_arg(con, bio_s_out);
2671                 }
2672
2673         for (;;)
2674                 {
2675                 if (hack)
2676                         {
2677                         i=SSL_accept(con);
2678 #ifndef OPENSSL_NO_SRP
2679                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2680                 {
2681                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2682                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2683                         if (srp_callback_parm.user)
2684                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2685                         else
2686                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2687                         i=SSL_accept(con);
2688                 }
2689 #endif
2690                         switch (SSL_get_error(con,i))
2691                                 {
2692                         case SSL_ERROR_NONE:
2693                                 break;
2694                         case SSL_ERROR_WANT_WRITE:
2695                         case SSL_ERROR_WANT_READ:
2696                         case SSL_ERROR_WANT_X509_LOOKUP:
2697                                 continue;
2698                         case SSL_ERROR_SYSCALL:
2699                         case SSL_ERROR_SSL:
2700                         case SSL_ERROR_ZERO_RETURN:
2701                                 ret=1;
2702                                 goto err;
2703                                 /* break; */
2704                                 }
2705
2706                         SSL_renegotiate(con);
2707                         SSL_write(con,NULL,0);
2708                         }
2709
2710                 i=BIO_gets(io,buf,bufsize-1);
2711                 if (i < 0) /* error */
2712                         {
2713                         if (!BIO_should_retry(io))
2714                                 {
2715                                 if (!s_quiet)
2716                                         ERR_print_errors(bio_err);
2717                                 goto err;
2718                                 }
2719                         else
2720                                 {
2721                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2722 #if defined(OPENSSL_SYS_NETWARE)
2723             delay(1000);
2724 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2725                                 sleep(1);
2726 #endif
2727                                 continue;
2728                                 }
2729                         }
2730                 else if (i == 0) /* end of input */
2731                         {
2732                         ret=1;
2733                         goto end;
2734                         }
2735
2736                 /* else we have data */
2737                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2738                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2739                         {
2740                         char *p;
2741                         X509 *peer;
2742                         STACK_OF(SSL_CIPHER) *sk;
2743                         static const char *space="                          ";
2744
2745                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2746                         {
2747                         if (strncmp("GET /renegcert", buf, 14) == 0)
2748                                 SSL_set_verify(con,
2749                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2750                         i=SSL_renegotiate(con);
2751                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2752                         i=SSL_do_handshake(con);
2753                         if (i <= 0)
2754                                 {
2755                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2756                                 ERR_print_errors(bio_err);
2757                                 goto err;
2758                                 }
2759                         /* EVIL HACK! */
2760                         SSL_set_state(con, SSL_ST_ACCEPT);
2761                         i=SSL_do_handshake(con);
2762                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2763                         if (i <= 0)
2764                                 {
2765                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2766                                 ERR_print_errors(bio_err);
2767                                 goto err;
2768                                 }
2769                         }
2770
2771                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2772                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2773                         BIO_puts(io,"<pre>\n");
2774 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2775                         BIO_puts(io,"\n");
2776                         for (i=0; i<local_argc; i++)
2777                                 {
2778                                 BIO_puts(io,local_argv[i]);
2779                                 BIO_write(io," ",1);
2780                                 }
2781                         BIO_puts(io,"\n");
2782
2783                         BIO_printf(io,
2784                                 "Secure Renegotiation IS%s supported\n",
2785                                 SSL_get_secure_renegotiation_support(con) ?
2786                                                         "" : " NOT");
2787
2788                         /* The following is evil and should not really
2789                          * be done */
2790                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2791                         sk=SSL_get_ciphers(con);
2792                         j=sk_SSL_CIPHER_num(sk);
2793                         for (i=0; i<j; i++)
2794                                 {
2795                                 c=sk_SSL_CIPHER_value(sk,i);
2796                                 BIO_printf(io,"%-11s:%-25s",
2797                                         SSL_CIPHER_get_version(c),
2798                                         SSL_CIPHER_get_name(c));
2799                                 if ((((i+1)%2) == 0) && (i+1 != j))
2800                                         BIO_puts(io,"\n");
2801                                 }
2802                         BIO_puts(io,"\n");
2803                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2804                         if (p != NULL)
2805                                 {
2806                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2807                                 j=i=0;
2808                                 while (*p)
2809                                         {
2810                                         if (*p == ':')
2811                                                 {
2812                                                 BIO_write(io,space,26-j);
2813                                                 i++;
2814                                                 j=0;
2815                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2816                                                 }
2817                                         else
2818                                                 {
2819                                                 BIO_write(io,p,1);
2820                                                 j++;
2821                                                 }
2822                                         p++;
2823                                         }
2824                                 BIO_puts(io,"\n");
2825                                 }
2826                         ssl_print_sigalgs(io, con);
2827                         ssl_print_curves(io, con);
2828                         BIO_printf(io,(SSL_cache_hit(con)
2829                                 ?"---\nReused, "
2830                                 :"---\nNew, "));
2831                         c=SSL_get_current_cipher(con);
2832                         BIO_printf(io,"%s, Cipher is %s\n",
2833                                 SSL_CIPHER_get_version(c),
2834                                 SSL_CIPHER_get_name(c));
2835                         SSL_SESSION_print(io,SSL_get_session(con));
2836                         BIO_printf(io,"---\n");
2837                         print_stats(io,SSL_get_SSL_CTX(con));
2838                         BIO_printf(io,"---\n");
2839                         peer=SSL_get_peer_certificate(con);
2840                         if (peer != NULL)
2841                                 {
2842                                 BIO_printf(io,"Client certificate\n");
2843                                 X509_print(io,peer);
2844                                 PEM_write_bio_X509(io,peer);
2845                                 }
2846                         else
2847                                 BIO_puts(io,"no client certificate available\n");
2848                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2849                         break;
2850                         }
2851                 else if ((www == 2 || www == 3)
2852                          && (strncmp("GET /",buf,5) == 0))
2853                         {
2854                         BIO *file;
2855                         char *p,*e;
2856                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2857
2858                         /* skip the '/' */
2859                         p= &(buf[5]);
2860
2861                         dot = 1;
2862                         for (e=p; *e != '\0'; e++)
2863                                 {
2864                                 if (e[0] == ' ')
2865                                         break;
2866
2867                                 switch (dot)
2868                                         {
2869                                 case 1:
2870                                         dot = (e[0] == '.') ? 2 : 0;
2871                                         break;
2872                                 case 2:
2873                                         dot = (e[0] == '.') ? 3 : 0;
2874                                         break;
2875                                 case 3:
2876                                         dot = (e[0] == '/') ? -1 : 0;
2877                                         break;
2878                                         }
2879                                 if (dot == 0)
2880                                         dot = (e[0] == '/') ? 1 : 0;
2881                                 }
2882                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2883
2884                         if (*e == '\0')
2885                                 {
2886                                 BIO_puts(io,text);
2887                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2888                                 break;
2889                                 }
2890                         *e='\0';
2891
2892                         if (dot)
2893                                 {
2894                                 BIO_puts(io,text);
2895                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2896                                 break;
2897                                 }
2898
2899                         if (*p == '/')
2900                                 {
2901                                 BIO_puts(io,text);
2902                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2903                                 break;
2904                                 }
2905
2906 #if 0
2907                         /* append if a directory lookup */
2908                         if (e[-1] == '/')
2909                                 strcat(p,"index.html");
2910 #endif
2911
2912                         /* if a directory, do the index thang */
2913                         if (app_isdir(p)>0)
2914                                 {
2915 #if 0 /* must check buffer size */
2916                                 strcat(p,"/index.html");
2917 #else
2918                                 BIO_puts(io,text);
2919                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2920                                 break;
2921 #endif
2922                                 }
2923
2924                         if ((file=BIO_new_file(p,"r")) == NULL)
2925                                 {
2926                                 BIO_puts(io,text);
2927                                 BIO_printf(io,"Error opening '%s'\r\n",p);
2928                                 ERR_print_errors(io);
2929                                 break;
2930                                 }
2931
2932                         if (!s_quiet)
2933                                 BIO_printf(bio_err,"FILE:%s\n",p);
2934
2935                         if (www == 2)
2936                                 {
2937                                 i=strlen(p);
2938                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
2939                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
2940                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
2941                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2942                                 else
2943                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
2944                                 }
2945                         /* send the file */
2946                         for (;;)
2947                                 {
2948                                 i=BIO_read(file,buf,bufsize);
2949                                 if (i <= 0) break;
2950
2951 #ifdef RENEG
2952                                 total_bytes+=i;
2953                                 fprintf(stderr,"%d\n",i);
2954                                 if (total_bytes > 3*1024)
2955                                         {
2956                                         total_bytes=0;
2957                                         fprintf(stderr,"RENEGOTIATE\n");
2958                                         SSL_renegotiate(con);
2959                                         }
2960 #endif
2961
2962                                 for (j=0; j<i; )
2963                                         {
2964 #ifdef RENEG
2965 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
2966 #endif
2967                                         k=BIO_write(io,&(buf[j]),i-j);
2968                                         if (k <= 0)
2969                                                 {
2970                                                 if (!BIO_should_retry(io))
2971                                                         goto write_error;
2972                                                 else
2973                                                         {
2974                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
2975                                                         }
2976                                                 }
2977                                         else
2978                                                 {
2979                                                 j+=k;
2980                                                 }
2981                                         }
2982                                 }
2983 write_error:
2984                         BIO_free(file);
2985                         break;
2986                         }
2987                 }
2988
2989         for (;;)
2990                 {
2991                 i=(int)BIO_flush(io);
2992                 if (i <= 0)
2993                         {
2994                         if (!BIO_should_retry(io))
2995                                 break;
2996                         }
2997                 else
2998                         break;
2999                 }
3000 end:
3001 #if 1
3002         /* make sure we re-use sessions */
3003         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3004 #else
3005         /* This kills performance */
3006 /*      SSL_shutdown(con); A shutdown gets sent in the
3007  *      BIO_free_all(io) procession */
3008 #endif
3009
3010 err:
3011
3012         if (ret >= 0)
3013                 BIO_printf(bio_s_out,"ACCEPT\n");
3014
3015         if (buf != NULL) OPENSSL_free(buf);
3016         if (io != NULL) BIO_free_all(io);
3017 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3018         return(ret);
3019         }
3020
3021 #ifndef OPENSSL_NO_RSA
3022 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3023         {
3024         BIGNUM *bn = NULL;
3025         static RSA *rsa_tmp=NULL;
3026
3027         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3028                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3029         if (!rsa_tmp && bn)
3030                 {
3031                 if (!s_quiet)
3032                         {
3033                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3034                         (void)BIO_flush(bio_err);
3035                         }
3036                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3037                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3038                         {
3039                         if(rsa_tmp) RSA_free(rsa_tmp);
3040                         rsa_tmp = NULL;
3041                         }
3042                 if (!s_quiet)
3043                         {
3044                         BIO_printf(bio_err,"\n");
3045                         (void)BIO_flush(bio_err);
3046                         }
3047                 BN_free(bn);
3048                 }
3049         return(rsa_tmp);
3050         }
3051 #endif
3052
3053 #define MAX_SESSION_ID_ATTEMPTS 10
3054 static int generate_session_id(const SSL *ssl, unsigned char *id,
3055                                 unsigned int *id_len)
3056         {
3057         unsigned int count = 0;
3058         do      {
3059                 RAND_pseudo_bytes(id, *id_len);
3060                 /* Prefix the session_id with the required prefix. NB: If our
3061                  * prefix is too long, clip it - but there will be worse effects
3062                  * anyway, eg. the server could only possibly create 1 session
3063                  * ID (ie. the prefix!) so all future session negotiations will
3064                  * fail due to conflicts. */
3065                 memcpy(id, session_id_prefix,
3066                         (strlen(session_id_prefix) < *id_len) ?
3067                         strlen(session_id_prefix) : *id_len);
3068                 }
3069         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3070                 (++count < MAX_SESSION_ID_ATTEMPTS));
3071         if(count >= MAX_SESSION_ID_ATTEMPTS)
3072                 return 0;
3073         return 1;
3074         }
3075
3076 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3077  * structures without any serialisation. This hides some bugs which only
3078  * become apparent in deployed servers. By implementing a basic external
3079  * session cache some issues can be debugged using s_server.
3080  */
3081
3082 typedef struct simple_ssl_session_st
3083         {
3084         unsigned char *id;
3085         unsigned int idlen;
3086         unsigned char *der;
3087         int derlen;
3088         struct simple_ssl_session_st *next;
3089         } simple_ssl_session;
3090
3091 static simple_ssl_session *first = NULL;
3092
3093 static int add_session(SSL *ssl, SSL_SESSION *session)
3094         {
3095         simple_ssl_session *sess;
3096         unsigned char *p;
3097
3098         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3099
3100         SSL_SESSION_get_id(session, &sess->idlen);
3101         sess->derlen = i2d_SSL_SESSION(session, NULL);
3102
3103         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3104
3105         sess->der = OPENSSL_malloc(sess->derlen);
3106         p = sess->der;
3107         i2d_SSL_SESSION(session, &p);
3108
3109         sess->next = first;
3110         first = sess;
3111         BIO_printf(bio_err, "New session added to external cache\n");
3112         return 0;
3113         }
3114
3115 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3116                                         int *do_copy)
3117         {
3118         simple_ssl_session *sess;
3119         *do_copy = 0;
3120         for (sess = first; sess; sess = sess->next)
3121                 {
3122                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3123                         {
3124                         const unsigned char *p = sess->der;
3125                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3126                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3127                         }
3128                 }
3129         BIO_printf(bio_err, "Lookup session: cache miss\n");
3130         return NULL;
3131         }
3132
3133 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3134         {
3135         simple_ssl_session *sess, *prev = NULL;
3136         const unsigned char *id;
3137         unsigned int idlen;
3138         id = SSL_SESSION_get_id(session, &idlen);
3139         for (sess = first; sess; sess = sess->next)
3140                 {
3141                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3142                         {
3143                         if(prev)
3144                                 prev->next = sess->next;
3145                         else
3146                                 first = sess->next;
3147                         OPENSSL_free(sess->id);
3148                         OPENSSL_free(sess->der);
3149                         OPENSSL_free(sess);
3150                         return;
3151                         }
3152                 prev = sess;
3153                 }
3154         }
3155
3156 static void init_session_cache_ctx(SSL_CTX *sctx)
3157         {
3158         SSL_CTX_set_session_cache_mode(sctx,
3159                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3160         SSL_CTX_sess_set_new_cb(sctx, add_session);
3161         SSL_CTX_sess_set_get_cb(sctx, get_session);
3162         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3163         }
3164
3165 static void free_sessions(void)
3166         {
3167         simple_ssl_session *sess, *tsess;
3168         for (sess = first; sess;)
3169                 {
3170                 OPENSSL_free(sess->id);
3171                 OPENSSL_free(sess->der);
3172                 tsess = sess;
3173                 sess = sess->next;
3174                 OPENSSL_free(tsess);
3175                 }
3176         first = NULL;
3177         }
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187