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, *s_chain_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, *s_dchain_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 #ifndef OPENSSL_NO_TLSEXT
 317 static BIO *authz_in = NULL;
 318 static const char *s_authz_file = NULL;
 319 static unsigned char *authz = NULL;
 320 static size_t authz_length;
 321 #endif
 322
 323 #ifndef OPENSSL_NO_PSK
 324 static char *psk_identity="Client_identity";
 325 char *psk_key=NULL; /* by default PSK is not used */
 326
 327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 328         unsigned char *psk, unsigned int max_psk_len)
 329         {
 330         unsigned int psk_len = 0;
 331         int ret;
 332         BIGNUM *bn = NULL;
 333
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"psk_server_cb\n");
 336         if (!identity)
 337                 {
 338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 339                 goto out_err;
 340                 }
 341         if (s_debug)
 342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 343                         identity ? (int)strlen(identity) : 0, identity);
 344
 345         /* here we could lookup the given identity e.g. from a database */
 346         if (strcmp(identity, psk_identity) != 0)
 347                 {
 348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 349                            " (got '%s' expected '%s')\n", identity,
 350                            psk_identity);
 351                 goto out_err;
 352                 }
 353         if (s_debug)
 354                 BIO_printf(bio_s_out, "PSK client identity found\n");
 355
 356         /* convert the PSK key to binary */
 357         ret = BN_hex2bn(&bn, psk_key);
 358         if (!ret)
 359                 {
 360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 361                 if (bn)
 362                         BN_free(bn);
 363                 return 0;
 364                 }
 365         if (BN_num_bytes(bn) > (int)max_psk_len)
 366                 {
 367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 368                         max_psk_len, BN_num_bytes(bn));
 369                 BN_free(bn);
 370                 return 0;
 371                 }
 372
 373         ret = BN_bn2bin(bn, psk);
 374         BN_free(bn);
 375
 376         if (ret < 0)
 377                 goto out_err;
 378         psk_len = (unsigned int)ret;
 379
 380         if (s_debug)
 381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 382         return psk_len;
 383  out_err:
 384         if (s_debug)
 385                 BIO_printf(bio_err, "Error in PSK server callback\n");
 386         return 0;
 387         }
 388 #endif
 389
 390 #ifndef OPENSSL_NO_SRP
 391 /* This is a context that we pass to callbacks */
 392 typedef struct srpsrvparm_st
 393         {
 394         char *login;
 395         SRP_VBASE *vb;
 396         SRP_user_pwd *user;
 397         } srpsrvparm;
 398
 399 /* This callback pretends to require some asynchronous logic in order to obtain
 400    a verifier. When the callback is called for a new connection we return
 401    with a negative value. This will provoke the accept etc to return with
 402    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 403    (which would normally occur after a worker has finished) and we
 404    set the user parameters.
 405 */
 406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 407         {
 408         srpsrvparm *p = (srpsrvparm *)arg;
 409         if (p->login == NULL && p->user == NULL )
 410                 {
 411                 p->login = SSL_get_srp_username(s);
 412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 413                 return (-1) ;
 414                 }
 415
 416         if (p->user == NULL)
 417                 {
 418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 419                 return SSL3_AL_FATAL;
 420                 }
 421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 422                                      p->user->info) < 0)
 423                 {
 424                 *ad = SSL_AD_INTERNAL_ERROR;
 425                 return SSL3_AL_FATAL;
 426                 }
 427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 428         /* need to check whether there are memory leaks */
 429         p->user = NULL;
 430         p->login = NULL;
 431         return SSL_ERROR_NONE;
 432         }
 433
 434 #endif
 435
 436 #ifdef MONOLITH
 437 static void s_server_init(void)
 438         {
 439         accept_socket=-1;
 440         cipher=NULL;
 441         s_server_verify=SSL_VERIFY_NONE;
 442         s_dcert_file=NULL;
 443         s_dkey_file=NULL;
 444         s_dchain_file=NULL;
 445         s_cert_file=TEST_CERT;
 446         s_key_file=NULL;
 447         s_chain_file=NULL;
 448 #ifndef OPENSSL_NO_TLSEXT
 449         curves=NULL;
 450         s_cert_file2=TEST_CERT2;
 451         s_key_file2=NULL;
 452         ctx2=NULL;
 453 #endif
 454 #ifdef FIONBIO
 455         s_nbio=0;
 456 #endif
 457         s_nbio_test=0;
 458         ctx=NULL;
 459         www=0;
 460
 461         bio_s_out=NULL;
 462         s_debug=0;
 463         s_msg=0;
 464         s_quiet=0;
 465         hack=0;
 466 #ifndef OPENSSL_NO_ENGINE
 467         engine_id=NULL;
 468 #endif
 469         }
 470 #endif
 471
 472 static void sv_usage(void)
 473         {
 474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 475         BIO_printf(bio_err,"\n");
 476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 477         BIO_printf(bio_err," -context arg  - set session ID context\n");
 478         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 479         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 480         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 481         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 482         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 483         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 484                            "                 The CRL(s) are appended to the certificate file\n");
 485         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 486                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 487                            "                 the certificate file.\n");
 488         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 489         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 490         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 491         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 492         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 493         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 494         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 495         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 496         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 497         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 498         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 499         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 500 #ifndef OPENSSL_NO_ECDH
 501         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 502                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 503                            "                 (default is nistp256).\n");
 504 #endif
 505 #ifdef FIONBIO
 506         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 507 #endif
 508         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 509         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 510         BIO_printf(bio_err," -debug        - Print more output\n");
 511         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 512         BIO_printf(bio_err," -state        - Print the SSL states\n");
 513         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 514         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 515         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 516         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 517         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 518         BIO_printf(bio_err," -quiet        - No server output\n");
 519         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 520 #ifndef OPENSSL_NO_PSK
 521         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 522         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 523 # ifndef OPENSSL_NO_JPAKE
 524         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 525 # endif
 526 #endif
 527 #ifndef OPENSSL_NO_SRP
 528         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 529         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 530 #endif
 531         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 532         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 533         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 534         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 535         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 536         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 537         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 538         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 539         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 540         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 541         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 542         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 543         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 544         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 545 #ifndef OPENSSL_NO_DH
 546         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 547 #endif
 548 #ifndef OPENSSL_NO_ECDH
 549         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 550 #endif
 551         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 552         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 553         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 554         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 555         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 556         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 557 #ifndef OPENSSL_NO_ENGINE
 558         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 559 #endif
 560         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 561         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 562 #ifndef OPENSSL_NO_TLSEXT
 563         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 564         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 565         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 566         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 567         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 568         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 569         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 570         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 571         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 572 # ifndef OPENSSL_NO_NEXTPROTONEG
 573         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 574 # endif
 575         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 576 #endif
 577         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 578         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 579         }
 580
 581 static int local_argc=0;
 582 static char **local_argv;
 583
 584 #ifdef CHARSET_EBCDIC
 585 static int ebcdic_new(BIO *bi);
 586 static int ebcdic_free(BIO *a);
 587 static int ebcdic_read(BIO *b, char *out, int outl);
 588 static int ebcdic_write(BIO *b, const char *in, int inl);
 589 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 590 static int ebcdic_gets(BIO *bp, char *buf, int size);
 591 static int ebcdic_puts(BIO *bp, const char *str);
 592
 593 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 594 static BIO_METHOD methods_ebcdic=
 595         {
 596         BIO_TYPE_EBCDIC_FILTER,
 597         "EBCDIC/ASCII filter",
 598         ebcdic_write,
 599         ebcdic_read,
 600         ebcdic_puts,
 601         ebcdic_gets,
 602         ebcdic_ctrl,
 603         ebcdic_new,
 604         ebcdic_free,
 605         };
 606
 607 typedef struct
 608 {
 609         size_t  alloced;
 610         char    buff[1];
 611 } EBCDIC_OUTBUFF;
 612
 613 BIO_METHOD *BIO_f_ebcdic_filter()
 614 {
 615         return(&methods_ebcdic);
 616 }
 617
 618 static int ebcdic_new(BIO *bi)
 619 {
 620         EBCDIC_OUTBUFF *wbuf;
 621
 622         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 623         wbuf->alloced = 1024;
 624         wbuf->buff[0] = '\0';
 625
 626         bi->ptr=(char *)wbuf;
 627         bi->init=1;
 628         bi->flags=0;
 629         return(1);
 630 }
 631
 632 static int ebcdic_free(BIO *a)
 633 {
 634         if (a == NULL) return(0);
 635         if (a->ptr != NULL)
 636                 OPENSSL_free(a->ptr);
 637         a->ptr=NULL;
 638         a->init=0;
 639         a->flags=0;
 640         return(1);
 641 }
 642
 643 static int ebcdic_read(BIO *b, char *out, int outl)
 644 {
 645         int ret=0;
 646
 647         if (out == NULL || outl == 0) return(0);
 648         if (b->next_bio == NULL) return(0);
 649
 650         ret=BIO_read(b->next_bio,out,outl);
 651         if (ret > 0)
 652                 ascii2ebcdic(out,out,ret);
 653         return(ret);
 654 }
 655
 656 static int ebcdic_write(BIO *b, const char *in, int inl)
 657 {
 658         EBCDIC_OUTBUFF *wbuf;
 659         int ret=0;
 660         int num;
 661         unsigned char n;
 662
 663         if ((in == NULL) || (inl <= 0)) return(0);
 664         if (b->next_bio == NULL) return(0);
 665
 666         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 667
 668         if (inl > (num = wbuf->alloced))
 669         {
 670                 num = num + num;  /* double the size */
 671                 if (num < inl)
 672                         num = inl;
 673                 OPENSSL_free(wbuf);
 674                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 675
 676                 wbuf->alloced = num;
 677                 wbuf->buff[0] = '\0';
 678
 679                 b->ptr=(char *)wbuf;
 680         }
 681
 682         ebcdic2ascii(wbuf->buff, in, inl);
 683
 684         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 685
 686         return(ret);
 687 }
 688
 689 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 690 {
 691         long ret;
 692
 693         if (b->next_bio == NULL) return(0);
 694         switch (cmd)
 695         {
 696         case BIO_CTRL_DUP:
 697                 ret=0L;
 698                 break;
 699         default:
 700                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 701                 break;
 702         }
 703         return(ret);
 704 }
 705
 706 static int ebcdic_gets(BIO *bp, char *buf, int size)
 707 {
 708         int i, ret=0;
 709         if (bp->next_bio == NULL) return(0);
 710 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 711         for (i=0; i<size-1; ++i)
 712         {
 713                 ret = ebcdic_read(bp,&buf[i],1);
 714                 if (ret <= 0)
 715                         break;
 716                 else if (buf[i] == '\n')
 717                 {
 718                         ++i;
 719                         break;
 720                 }
 721         }
 722         if (i < size)
 723                 buf[i] = '\0';
 724         return (ret < 0 && i == 0) ? ret : i;
 725 }
 726
 727 static int ebcdic_puts(BIO *bp, const char *str)
 728 {
 729         if (bp->next_bio == NULL) return(0);
 730         return ebcdic_write(bp, str, strlen(str));
 731 }
 732 #endif
 733
 734 #ifndef OPENSSL_NO_TLSEXT
 735
 736 /* This is a context that we pass to callbacks */
 737 typedef struct tlsextctx_st {
 738    char * servername;
 739    BIO * biodebug;
 740    int extension_error;
 741 } tlsextctx;
 742
 743
 744 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 745         {
 746         tlsextctx * p = (tlsextctx *) arg;
 747         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 748         if (servername && p->biodebug)
 749                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 750
 751         if (!p->servername)
 752                 return SSL_TLSEXT_ERR_NOACK;
 753
 754         if (servername)
 755                 {
 756                 if (strcmp(servername,p->servername))
 757                         return p->extension_error;
 758                 if (ctx2)
 759                         {
 760                         BIO_printf(p->biodebug,"Switching server context.\n");
 761                         SSL_set_SSL_CTX(s,ctx2);
 762                         }
 763                 }
 764         return SSL_TLSEXT_ERR_OK;
 765 }
 766
 767 /* Structure passed to cert status callback */
 768
 769 typedef struct tlsextstatusctx_st {
 770    /* Default responder to use */
 771    char *host, *path, *port;
 772    int use_ssl;
 773    int timeout;
 774    BIO *err;
 775    int verbose;
 776 } tlsextstatusctx;
 777
 778 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 779
 780 /* Certificate Status callback. This is called when a client includes a
 781  * certificate status request extension.
 782  *
 783  * This is a simplified version. It examines certificates each time and
 784  * makes one OCSP responder query for each request.
 785  *
 786  * A full version would store details such as the OCSP certificate IDs and
 787  * minimise the number of OCSP responses by caching them until they were
 788  * considered "expired".
 789  */
 790
 791 static int cert_status_cb(SSL *s, void *arg)
 792         {
 793         tlsextstatusctx *srctx = arg;
 794         BIO *err = srctx->err;
 795         char *host, *port, *path;
 796         int use_ssl;
 797         unsigned char *rspder = NULL;
 798         int rspderlen;
 799         STACK_OF(OPENSSL_STRING) *aia = NULL;
 800         X509 *x = NULL;
 801         X509_STORE_CTX inctx;
 802         X509_OBJECT obj;
 803         OCSP_REQUEST *req = NULL;
 804         OCSP_RESPONSE *resp = NULL;
 805         OCSP_CERTID *id = NULL;
 806         STACK_OF(X509_EXTENSION) *exts;
 807         int ret = SSL_TLSEXT_ERR_NOACK;
 808         int i;
 809 #if 0
 810 STACK_OF(OCSP_RESPID) *ids;
 811 SSL_get_tlsext_status_ids(s, &ids);
 812 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 813 #endif
 814         if (srctx->verbose)
 815                 BIO_puts(err, "cert_status: callback called\n");
 816         /* Build up OCSP query from server certificate */
 817         x = SSL_get_certificate(s);
 818         aia = X509_get1_ocsp(x);
 819         if (aia)
 820                 {
 821                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 822                         &host, &port, &path, &use_ssl))
 823                         {
 824                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 825                         goto err;
 826                         }
 827                 if (srctx->verbose)
 828                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 829                                         sk_OPENSSL_STRING_value(aia, 0));
 830                 }
 831         else
 832                 {
 833                 if (!srctx->host)
 834                         {
 835                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 836                         goto done;
 837                         }
 838                 host = srctx->host;
 839                 path = srctx->path;
 840                 port = srctx->port;
 841                 use_ssl = srctx->use_ssl;
 842                 }
 843
 844         if (!X509_STORE_CTX_init(&inctx,
 845                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 846                                 NULL, NULL))
 847                 goto err;
 848         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 849                                 X509_get_issuer_name(x),&obj) <= 0)
 850                 {
 851                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 852                 X509_STORE_CTX_cleanup(&inctx);
 853                 goto done;
 854                 }
 855         req = OCSP_REQUEST_new();
 856         if (!req)
 857                 goto err;
 858         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 859         X509_free(obj.data.x509);
 860         X509_STORE_CTX_cleanup(&inctx);
 861         if (!id)
 862                 goto err;
 863         if (!OCSP_request_add0_id(req, id))
 864                 goto err;
 865         id = NULL;
 866         /* Add any extensions to the request */
 867         SSL_get_tlsext_status_exts(s, &exts);
 868         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 869                 {
 870                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 871                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 872                         goto err;
 873                 }
 874         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 875                                         srctx->timeout);
 876         if (!resp)
 877                 {
 878                 BIO_puts(err, "cert_status: error querying responder\n");
 879                 goto done;
 880                 }
 881         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 882         if (rspderlen <= 0)
 883                 goto err;
 884         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 885         if (srctx->verbose)
 886                 {
 887                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 888                 OCSP_RESPONSE_print(err, resp, 2);
 889                 }
 890         ret = SSL_TLSEXT_ERR_OK;
 891         done:
 892         if (ret != SSL_TLSEXT_ERR_OK)
 893                 ERR_print_errors(err);
 894         if (aia)
 895                 {
 896                 OPENSSL_free(host);
 897                 OPENSSL_free(path);
 898                 OPENSSL_free(port);
 899                 X509_email_free(aia);
 900                 }
 901         if (id)
 902                 OCSP_CERTID_free(id);
 903         if (req)
 904                 OCSP_REQUEST_free(req);
 905         if (resp)
 906                 OCSP_RESPONSE_free(resp);
 907         return ret;
 908         err:
 909         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 910         goto done;
 911         }
 912
 913 # ifndef OPENSSL_NO_NEXTPROTONEG
 914 /* This is the context that we pass to next_proto_cb */
 915 typedef struct tlsextnextprotoctx_st {
 916         unsigned char *data;
 917         unsigned int len;
 918 } tlsextnextprotoctx;
 919
 920 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 921         {
 922         tlsextnextprotoctx *next_proto = arg;
 923
 924         *data = next_proto->data;
 925         *len = next_proto->len;
 926
 927         return SSL_TLSEXT_ERR_OK;
 928         }
 929 # endif  /* ndef OPENSSL_NO_NPN */
 930 #endif
 931
 932 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 933         {
 934         /* disable resumption for sessions with forward secure ciphers */
 935         return is_forward_secure;
 936         }
 937
 938 int MAIN(int, char **);
 939
 940 #ifndef OPENSSL_NO_JPAKE
 941 static char *jpake_secret = NULL;
 942 #endif
 943 #ifndef OPENSSL_NO_SRP
 944         static srpsrvparm srp_callback_parm;
 945 #endif
 946 static char *srtp_profiles = NULL;
 947
 948 int MAIN(int argc, char *argv[])
 949         {
 950         X509_VERIFY_PARAM *vpm = NULL;
 951         int badarg = 0;
 952         short port=PORT;
 953         char *CApath=NULL,*CAfile=NULL;
 954         unsigned char *context = NULL;
 955         char *dhfile = NULL;
 956 #ifndef OPENSSL_NO_ECDH
 957         char *named_curve = NULL;
 958 #endif
 959         int badop=0,bugs=0;
 960         int ret=1;
 961         int off=0;
 962         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 963         int state=0;
 964         const SSL_METHOD *meth=NULL;
 965         int socket_type=SOCK_STREAM;
 966         ENGINE *e=NULL;
 967         char *inrand=NULL;
 968         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 969         char *passarg = NULL, *pass = NULL;
 970         char *dpassarg = NULL, *dpass = NULL;
 971         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 972         X509 *s_cert = NULL, *s_dcert = NULL;
 973         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 974         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 975         int no_cache = 0, ext_cache = 0;
 976 #ifndef OPENSSL_NO_TLSEXT
 977         EVP_PKEY *s_key2 = NULL;
 978         X509 *s_cert2 = NULL;
 979 #endif
 980 #ifndef OPENSSL_NO_TLSEXT
 981         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 982 # ifndef OPENSSL_NO_NEXTPROTONEG
 983         const char *next_proto_neg_in = NULL;
 984         tlsextnextprotoctx next_proto;
 985 # endif
 986 #endif
 987 #ifndef OPENSSL_NO_PSK
 988         /* by default do not send a PSK identity hint */
 989         static char *psk_identity_hint=NULL;
 990 #endif
 991 #ifndef OPENSSL_NO_SRP
 992         char *srpuserseed = NULL;
 993         char *srp_verifier_file = NULL;
 994 #endif
 995         meth=SSLv23_server_method();
 996
 997         local_argc=argc;
 998         local_argv=argv;
 999
1000         apps_startup();
1001 #ifdef MONOLITH
1002         s_server_init();
1003 #endif
1004
1005         if (bio_err == NULL)
1006                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1007
1008         if (!load_config(bio_err, NULL))
1009                 goto end;
1010
1011         verify_depth=0;
1012 #ifdef FIONBIO
1013         s_nbio=0;
1014 #endif
1015         s_nbio_test=0;
1016
1017         argc--;
1018         argv++;
1019
1020         while (argc >= 1)
1021                 {
1022                 if      ((strcmp(*argv,"-port") == 0) ||
1023                          (strcmp(*argv,"-accept") == 0))
1024                         {
1025                         if (--argc < 1) goto bad;
1026                         if (!extract_port(*(++argv),&port))
1027                                 goto bad;
1028                         }
1029                 else if (strcmp(*argv,"-verify") == 0)
1030                         {
1031                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1032                         if (--argc < 1) goto bad;
1033                         verify_depth=atoi(*(++argv));
1034                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1035                         }
1036                 else if (strcmp(*argv,"-Verify") == 0)
1037                         {
1038                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1039                                 SSL_VERIFY_CLIENT_ONCE;
1040                         if (--argc < 1) goto bad;
1041                         verify_depth=atoi(*(++argv));
1042                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1043                         }
1044                 else if (strcmp(*argv,"-context") == 0)
1045                         {
1046                         if (--argc < 1) goto bad;
1047                         context= (unsigned char *)*(++argv);
1048                         }
1049                 else if (strcmp(*argv,"-cert") == 0)
1050                         {
1051                         if (--argc < 1) goto bad;
1052                         s_cert_file= *(++argv);
1053                         }
1054 #ifndef OPENSSL_NO_TLSEXT
1055                 else if (strcmp(*argv,"-authz") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         s_authz_file = *(++argv);
1059                         }
1060 #endif
1061                 else if (strcmp(*argv,"-certform") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         s_cert_format = str2fmt(*(++argv));
1065                         }
1066                 else if (strcmp(*argv,"-key") == 0)
1067                         {
1068                         if (--argc < 1) goto bad;
1069                         s_key_file= *(++argv);
1070                         }
1071                 else if (strcmp(*argv,"-keyform") == 0)
1072                         {
1073                         if (--argc < 1) goto bad;
1074                         s_key_format = str2fmt(*(++argv));
1075                         }
1076                 else if (strcmp(*argv,"-pass") == 0)
1077                         {
1078                         if (--argc < 1) goto bad;
1079                         passarg = *(++argv);
1080                         }
1081                 else if (strcmp(*argv,"-cert_chain") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         s_chain_file= *(++argv);
1085                         }
1086                 else if (strcmp(*argv,"-dhparam") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         dhfile = *(++argv);
1090                         }
1091 #ifndef OPENSSL_NO_ECDH
1092                 else if (strcmp(*argv,"-named_curve") == 0)
1093                         {
1094                         if (--argc < 1) goto bad;
1095                         named_curve = *(++argv);
1096                         }
1097 #endif
1098                 else if (strcmp(*argv,"-dcertform") == 0)
1099                         {
1100                         if (--argc < 1) goto bad;
1101                         s_dcert_format = str2fmt(*(++argv));
1102                         }
1103                 else if (strcmp(*argv,"-dcert") == 0)
1104                         {
1105                         if (--argc < 1) goto bad;
1106                         s_dcert_file= *(++argv);
1107                         }
1108                 else if (strcmp(*argv,"-dkeyform") == 0)
1109                         {
1110                         if (--argc < 1) goto bad;
1111                         s_dkey_format = str2fmt(*(++argv));
1112                         }
1113                 else if (strcmp(*argv,"-dpass") == 0)
1114                         {
1115                         if (--argc < 1) goto bad;
1116                         dpassarg = *(++argv);
1117                         }
1118                 else if (strcmp(*argv,"-dkey") == 0)
1119                         {
1120                         if (--argc < 1) goto bad;
1121                         s_dkey_file= *(++argv);
1122                         }
1123                 else if (strcmp(*argv,"-dcert_chain") == 0)
1124                         {
1125                         if (--argc < 1) goto bad;
1126                         s_dchain_file= *(++argv);
1127                         }
1128                 else if (strcmp(*argv,"-nocert") == 0)
1129                         {
1130                         nocert=1;
1131                         }
1132                 else if (strcmp(*argv,"-CApath") == 0)
1133                         {
1134                         if (--argc < 1) goto bad;
1135                         CApath= *(++argv);
1136                         }
1137                 else if (strcmp(*argv,"-no_cache") == 0)
1138                         no_cache = 1;
1139                 else if (strcmp(*argv,"-ext_cache") == 0)
1140                         ext_cache = 1;
1141                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1142                         {
1143                         if (badarg)
1144                                 goto bad;
1145                         continue;
1146                         }
1147                 else if (strcmp(*argv,"-verify_return_error") == 0)
1148                         verify_return_error = 1;
1149                 else if (strcmp(*argv,"-serverpref") == 0)
1150                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1151                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1152                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1153                 else if (strcmp(*argv,"-cipher") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         cipher= *(++argv);
1157                         }
1158                 else if (strcmp(*argv,"-CAfile") == 0)
1159                         {
1160                         if (--argc < 1) goto bad;
1161                         CAfile= *(++argv);
1162                         }
1163 #ifdef FIONBIO
1164                 else if (strcmp(*argv,"-nbio") == 0)
1165                         { s_nbio=1; }
1166 #endif
1167                 else if (strcmp(*argv,"-nbio_test") == 0)
1168                         {
1169 #ifdef FIONBIO
1170                         s_nbio=1;
1171 #endif
1172                         s_nbio_test=1;
1173                         }
1174                 else if (strcmp(*argv,"-debug") == 0)
1175                         { s_debug=1; }
1176 #ifndef OPENSSL_NO_TLSEXT
1177                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1178                         s_tlsextdebug=1;
1179                 else if (strcmp(*argv,"-status") == 0)
1180                         s_tlsextstatus=1;
1181                 else if (strcmp(*argv,"-status_verbose") == 0)
1182                         {
1183                         s_tlsextstatus=1;
1184                         tlscstatp.verbose = 1;
1185                         }
1186                 else if (!strcmp(*argv, "-status_timeout"))
1187                         {
1188                         s_tlsextstatus=1;
1189                         if (--argc < 1) goto bad;
1190                         tlscstatp.timeout = atoi(*(++argv));
1191                         }
1192                 else if (!strcmp(*argv, "-status_url"))
1193                         {
1194                         s_tlsextstatus=1;
1195                         if (--argc < 1) goto bad;
1196                         if (!OCSP_parse_url(*(++argv),
1197                                         &tlscstatp.host,
1198                                         &tlscstatp.port,
1199                                         &tlscstatp.path,
1200                                         &tlscstatp.use_ssl))
1201                                 {
1202                                 BIO_printf(bio_err, "Error parsing URL\n");
1203                                 goto bad;
1204                                 }
1205                         }
1206                 else if (strcmp(*argv,"-curves") == 0)
1207                         {
1208                         if (--argc < 1) goto bad;
1209                         curves= *(++argv);
1210                         }
1211 #endif
1212                 else if (strcmp(*argv,"-msg") == 0)
1213                         { s_msg=1; }
1214                 else if (strcmp(*argv,"-hack") == 0)
1215                         { hack=1; }
1216                 else if (strcmp(*argv,"-state") == 0)
1217                         { state=1; }
1218                 else if (strcmp(*argv,"-crlf") == 0)
1219                         { s_crlf=1; }
1220                 else if (strcmp(*argv,"-quiet") == 0)
1221                         { s_quiet=1; }
1222                 else if (strcmp(*argv,"-bugs") == 0)
1223                         { bugs=1; }
1224                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1225                         { no_tmp_rsa=1; }
1226                 else if (strcmp(*argv,"-no_dhe") == 0)
1227                         { no_dhe=1; }
1228                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1229                         { no_ecdhe=1; }
1230                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1231                         { no_resume_ephemeral = 1; }
1232 #ifndef OPENSSL_NO_PSK
1233                 else if (strcmp(*argv,"-psk_hint") == 0)
1234                         {
1235                         if (--argc < 1) goto bad;
1236                         psk_identity_hint= *(++argv);
1237                         }
1238                 else if (strcmp(*argv,"-psk") == 0)
1239                         {
1240                         size_t i;
1241
1242                         if (--argc < 1) goto bad;
1243                         psk_key=*(++argv);
1244                         for (i=0; i<strlen(psk_key); i++)
1245                                 {
1246                                 if (isxdigit((unsigned char)psk_key[i]))
1247                                         continue;
1248                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1249                                 goto bad;
1250                                 }
1251                         }
1252 #endif
1253 #ifndef OPENSSL_NO_SRP
1254                 else if (strcmp(*argv, "-srpvfile") == 0)
1255                         {
1256                         if (--argc < 1) goto bad;
1257                         srp_verifier_file = *(++argv);
1258                         meth = TLSv1_server_method();
1259                         }
1260                 else if (strcmp(*argv, "-srpuserseed") == 0)
1261                         {
1262                         if (--argc < 1) goto bad;
1263                         srpuserseed = *(++argv);
1264                         meth = TLSv1_server_method();
1265                         }
1266 #endif
1267                 else if (strcmp(*argv,"-www") == 0)
1268                         { www=1; }
1269                 else if (strcmp(*argv,"-WWW") == 0)
1270                         { www=2; }
1271                 else if (strcmp(*argv,"-HTTP") == 0)
1272                         { www=3; }
1273                 else if (strcmp(*argv,"-no_ssl2") == 0)
1274                         { off|=SSL_OP_NO_SSLv2; }
1275                 else if (strcmp(*argv,"-no_ssl3") == 0)
1276                         { off|=SSL_OP_NO_SSLv3; }
1277                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1278                         { off|=SSL_OP_NO_TLSv1_2; }
1279                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1280                         { off|=SSL_OP_NO_TLSv1_1; }
1281                 else if (strcmp(*argv,"-no_tls1") == 0)
1282                         { off|=SSL_OP_NO_TLSv1; }
1283                 else if (strcmp(*argv,"-no_comp") == 0)
1284                         { off|=SSL_OP_NO_COMPRESSION; }
1285 #ifndef OPENSSL_NO_TLSEXT
1286                 else if (strcmp(*argv,"-no_ticket") == 0)
1287                         { off|=SSL_OP_NO_TICKET; }
1288 #endif
1289 #ifndef OPENSSL_NO_SSL2
1290                 else if (strcmp(*argv,"-ssl2") == 0)
1291                         { meth=SSLv2_server_method(); }
1292 #endif
1293 #ifndef OPENSSL_NO_SSL3
1294                 else if (strcmp(*argv,"-ssl3") == 0)
1295                         { meth=SSLv3_server_method(); }
1296 #endif
1297 #ifndef OPENSSL_NO_TLS1
1298                 else if (strcmp(*argv,"-tls1_2") == 0)
1299                         { meth=TLSv1_2_server_method(); }
1300                 else if (strcmp(*argv,"-tls1_1") == 0)
1301                         { meth=TLSv1_1_server_method(); }
1302                 else if (strcmp(*argv,"-tls1") == 0)
1303                         { meth=TLSv1_server_method(); }
1304                 else if (strcmp(*argv,"-tls1_1") == 0)
1305                         { meth=TLSv1_1_server_method(); }
1306 #endif
1307 #ifndef OPENSSL_NO_DTLS1
1308                 else if (strcmp(*argv,"-dtls1") == 0)
1309                         {
1310                         meth=DTLSv1_server_method();
1311                         socket_type = SOCK_DGRAM;
1312                         }
1313                 else if (strcmp(*argv,"-timeout") == 0)
1314                         enable_timeouts = 1;
1315                 else if (strcmp(*argv,"-mtu") == 0)
1316                         {
1317                         if (--argc < 1) goto bad;
1318                         socket_mtu = atol(*(++argv));
1319                         }
1320                 else if (strcmp(*argv, "-chain") == 0)
1321                         cert_chain = 1;
1322 #endif
1323                 else if (strcmp(*argv, "-id_prefix") == 0)
1324                         {
1325                         if (--argc < 1) goto bad;
1326                         session_id_prefix = *(++argv);
1327                         }
1328 #ifndef OPENSSL_NO_ENGINE
1329                 else if (strcmp(*argv,"-engine") == 0)
1330                         {
1331                         if (--argc < 1) goto bad;
1332                         engine_id= *(++argv);
1333                         }
1334 #endif
1335                 else if (strcmp(*argv,"-rand") == 0)
1336                         {
1337                         if (--argc < 1) goto bad;
1338                         inrand= *(++argv);
1339                         }
1340 #ifndef OPENSSL_NO_TLSEXT
1341                 else if (strcmp(*argv,"-servername") == 0)
1342                         {
1343                         if (--argc < 1) goto bad;
1344                         tlsextcbp.servername= *(++argv);
1345                         }
1346                 else if (strcmp(*argv,"-servername_fatal") == 0)
1347                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1348                 else if (strcmp(*argv,"-cert2") == 0)
1349                         {
1350                         if (--argc < 1) goto bad;
1351                         s_cert_file2= *(++argv);
1352                         }
1353                 else if (strcmp(*argv,"-key2") == 0)
1354                         {
1355                         if (--argc < 1) goto bad;
1356                         s_key_file2= *(++argv);
1357                         }
1358 # ifndef OPENSSL_NO_NEXTPROTONEG
1359                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1360                         {
1361                         if (--argc < 1) goto bad;
1362                         next_proto_neg_in = *(++argv);
1363                         }
1364 # endif
1365 #endif
1366 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1367                 else if (strcmp(*argv,"-jpake") == 0)
1368                         {
1369                         if (--argc < 1) goto bad;
1370                         jpake_secret = *(++argv);
1371                         }
1372 #endif
1373                 else if (strcmp(*argv,"-use_srtp") == 0)
1374                         {
1375                         if (--argc < 1) goto bad;
1376                         srtp_profiles = *(++argv);
1377                         }
1378                 else if (strcmp(*argv,"-keymatexport") == 0)
1379                         {
1380                         if (--argc < 1) goto bad;
1381                         keymatexportlabel= *(++argv);
1382                         }
1383                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1384                         {
1385                         if (--argc < 1) goto bad;
1386                         keymatexportlen=atoi(*(++argv));
1387                         if (keymatexportlen == 0) goto bad;
1388                         }
1389                 else
1390                         {
1391                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1392                         badop=1;
1393                         break;
1394                         }
1395                 argc--;
1396                 argv++;
1397                 }
1398         if (badop)
1399                 {
1400 bad:
1401                 sv_usage();
1402                 goto end;
1403                 }
1404
1405 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1406         if (jpake_secret)
1407                 {
1408                 if (psk_key)
1409                         {
1410                         BIO_printf(bio_err,
1411                                    "Can't use JPAKE and PSK together\n");
1412                         goto end;
1413                         }
1414                 psk_identity = "JPAKE";
1415                 if (cipher)
1416                         {
1417                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1418                         goto end;
1419                         }
1420                 cipher = "PSK";
1421                 }
1422
1423 #endif
1424
1425         SSL_load_error_strings();
1426         OpenSSL_add_ssl_algorithms();
1427
1428 #ifndef OPENSSL_NO_ENGINE
1429         e = setup_engine(bio_err, engine_id, 1);
1430 #endif
1431
1432         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1433                 {
1434                 BIO_printf(bio_err, "Error getting password\n");
1435                 goto end;
1436                 }
1437
1438
1439         if (s_key_file == NULL)
1440                 s_key_file = s_cert_file;
1441 #ifndef OPENSSL_NO_TLSEXT
1442         if (s_key_file2 == NULL)
1443                 s_key_file2 = s_cert_file2;
1444 #endif
1445
1446         if (nocert == 0)
1447                 {
1448                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1449                        "server certificate private key file");
1450                 if (!s_key)
1451                         {
1452                         ERR_print_errors(bio_err);
1453                         goto end;
1454                         }
1455
1456                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1457                         NULL, e, "server certificate file");
1458
1459                 if (!s_cert)
1460                         {
1461                         ERR_print_errors(bio_err);
1462                         goto end;
1463                         }
1464                 if (s_chain_file)
1465                         {
1466                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1467                                         NULL, e, "server certificate chain");
1468                         if (!s_chain)
1469                                 goto end;
1470                         }
1471
1472 #ifndef OPENSSL_NO_TLSEXT
1473                 if (tlsextcbp.servername)
1474                         {
1475                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1476                                 "second server certificate private key file");
1477                         if (!s_key2)
1478                                 {
1479                                 ERR_print_errors(bio_err);
1480                                 goto end;
1481                                 }
1482
1483                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1484                                 NULL, e, "second server certificate file");
1485
1486                         if (!s_cert2)
1487                                 {
1488                                 ERR_print_errors(bio_err);
1489                                 goto end;
1490                                 }
1491                         }
1492 # ifndef OPENSSL_NO_NEXTPROTONEG
1493                 if (next_proto_neg_in)
1494                         {
1495                         unsigned short len;
1496                         next_proto.data = next_protos_parse(&len,
1497                                 next_proto_neg_in);
1498                         if (next_proto.data == NULL)
1499                                 goto end;
1500                         next_proto.len = len;
1501                         }
1502                 else
1503                         {
1504                         next_proto.data = NULL;
1505                         }
1506 # endif
1507                 if (s_authz_file != NULL)
1508                         {
1509                         /* Allow authzs up to 64KB bytes. */
1510                         static const size_t authz_limit = 65536;
1511
1512                         authz_in = BIO_new(BIO_s_file_internal());
1513                         if (authz_in == NULL)
1514                                 {
1515                                 ERR_print_errors(bio_err);
1516                                 goto end;
1517                                 }
1518
1519                         if (BIO_read_filename(authz_in, s_authz_file) <= 0)
1520                                 {
1521                                 ERR_print_errors(bio_err);
1522                                 goto end;
1523                                 }
1524                         authz = OPENSSL_malloc(authz_limit);
1525                         authz_length = BIO_read(authz_in, authz, authz_limit);
1526                         if (authz_length == authz_limit || authz_length <= 0)
1527                                 {
1528                                 BIO_printf(bio_err, "authz too large\n");
1529                                 goto end;
1530                                 }
1531                         BIO_free(authz_in);
1532                         authz_in = NULL;
1533                         }
1534 #endif /* OPENSSL_NO_TLSEXT */
1535                 }
1536
1537
1538         if (s_dcert_file)
1539                 {
1540
1541                 if (s_dkey_file == NULL)
1542                         s_dkey_file = s_dcert_file;
1543
1544                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1545                                 0, dpass, e,
1546                                "second certificate private key file");
1547                 if (!s_dkey)
1548                         {
1549                         ERR_print_errors(bio_err);
1550                         goto end;
1551                         }
1552
1553                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1554                                 NULL, e, "second server certificate file");
1555
1556                 if (!s_dcert)
1557                         {
1558                         ERR_print_errors(bio_err);
1559                         goto end;
1560                         }
1561                 if (s_dchain_file)
1562                         {
1563                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1564                                 NULL, e, "second server certificate chain");
1565                         if (!s_dchain)
1566                                 goto end;
1567                         }
1568
1569                 }
1570
1571         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1572                 && !RAND_status())
1573                 {
1574                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1575                 }
1576         if (inrand != NULL)
1577                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1578                         app_RAND_load_files(inrand));
1579
1580         if (bio_s_out == NULL)
1581                 {
1582                 if (s_quiet && !s_debug && !s_msg)
1583                         {
1584                         bio_s_out=BIO_new(BIO_s_null());
1585                         }
1586                 else
1587                         {
1588                         if (bio_s_out == NULL)
1589                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1590                         }
1591                 }
1592
1593 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1594         if (nocert)
1595 #endif
1596                 {
1597                 s_cert_file=NULL;
1598                 s_key_file=NULL;
1599                 s_dcert_file=NULL;
1600                 s_dkey_file=NULL;
1601 #ifndef OPENSSL_NO_TLSEXT
1602                 s_cert_file2=NULL;
1603                 s_key_file2=NULL;
1604 #endif
1605                 }
1606
1607         ctx=SSL_CTX_new(meth);
1608         if (ctx == NULL)
1609                 {
1610                 ERR_print_errors(bio_err);
1611                 goto end;
1612                 }
1613         if (session_id_prefix)
1614                 {
1615                 if(strlen(session_id_prefix) >= 32)
1616                         BIO_printf(bio_err,
1617 "warning: id_prefix is too long, only one new session will be possible\n");
1618                 else if(strlen(session_id_prefix) >= 16)
1619                         BIO_printf(bio_err,
1620 "warning: id_prefix is too long if you use SSLv2\n");
1621                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1622                         {
1623                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1624                         ERR_print_errors(bio_err);
1625                         goto end;
1626                         }
1627                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1628                 }
1629         SSL_CTX_set_quiet_shutdown(ctx,1);
1630         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1631         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1632         SSL_CTX_set_options(ctx,off);
1633         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1634          * Setting read ahead solves this problem.
1635          */
1636         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1637
1638         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1639         if (no_cache)
1640                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1641         else if (ext_cache)
1642                 init_session_cache_ctx(ctx);
1643         else
1644                 SSL_CTX_sess_set_cache_size(ctx,128);
1645
1646         if (srtp_profiles != NULL)
1647                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1648
1649 #if 0
1650         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1651 #endif
1652
1653 #if 0
1654         if (s_cert_file == NULL)
1655                 {
1656                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1657                 goto end;
1658                 }
1659 #endif
1660
1661         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1662                 (!SSL_CTX_set_default_verify_paths(ctx)))
1663                 {
1664                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1665                 ERR_print_errors(bio_err);
1666                 /* goto end; */
1667                 }
1668         if (vpm)
1669                 SSL_CTX_set1_param(ctx, vpm);
1670
1671 #ifndef OPENSSL_NO_TLSEXT
1672         if (s_cert2)
1673                 {
1674                 ctx2=SSL_CTX_new(meth);
1675                 if (ctx2 == NULL)
1676                         {
1677                         ERR_print_errors(bio_err);
1678                         goto end;
1679                         }
1680                 }
1681
1682         if (ctx2)
1683                 {
1684                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1685
1686                 if (session_id_prefix)
1687                         {
1688                         if(strlen(session_id_prefix) >= 32)
1689                                 BIO_printf(bio_err,
1690                                         "warning: id_prefix is too long, only one new session will be possible\n");
1691                         else if(strlen(session_id_prefix) >= 16)
1692                                 BIO_printf(bio_err,
1693                                         "warning: id_prefix is too long if you use SSLv2\n");
1694                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1695                                 {
1696                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1697                                 ERR_print_errors(bio_err);
1698                                 goto end;
1699                                 }
1700                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1701                         }
1702                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1703                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1704                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1705                 SSL_CTX_set_options(ctx2,off);
1706                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1707                  * Setting read ahead solves this problem.
1708                  */
1709                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1710
1711                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1712
1713                 if (no_cache)
1714                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1715                 else if (ext_cache)
1716                         init_session_cache_ctx(ctx2);
1717                 else
1718                         SSL_CTX_sess_set_cache_size(ctx2,128);
1719
1720                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1721                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1722                         {
1723                         ERR_print_errors(bio_err);
1724                         }
1725                 if (vpm)
1726                         SSL_CTX_set1_param(ctx2, vpm);
1727                 }
1728
1729 # ifndef OPENSSL_NO_NEXTPROTONEG
1730         if (next_proto.data)
1731                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1732 # endif
1733 #endif
1734
1735 #ifndef OPENSSL_NO_DH
1736         if (!no_dhe)
1737                 {
1738                 DH *dh=NULL;
1739
1740                 if (dhfile)
1741                         dh = load_dh_param(dhfile);
1742                 else if (s_cert_file)
1743                         dh = load_dh_param(s_cert_file);
1744
1745                 if (dh != NULL)
1746                         {
1747                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1748                         }
1749                 else
1750                         {
1751                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1752                         dh=get_dh512();
1753                         }
1754                 (void)BIO_flush(bio_s_out);
1755
1756                 SSL_CTX_set_tmp_dh(ctx,dh);
1757 #ifndef OPENSSL_NO_TLSEXT
1758                 if (ctx2)
1759                         {
1760                         if (!dhfile)
1761                                 {
1762                                 DH *dh2=load_dh_param(s_cert_file2);
1763                                 if (dh2 != NULL)
1764                                         {
1765                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1766                                         (void)BIO_flush(bio_s_out);
1767
1768                                         DH_free(dh);
1769                                         dh = dh2;
1770                                         }
1771                                 }
1772                         SSL_CTX_set_tmp_dh(ctx2,dh);
1773                         }
1774 #endif
1775                 DH_free(dh);
1776                 }
1777 #endif
1778
1779 #ifndef OPENSSL_NO_ECDH
1780         if (!no_ecdhe)
1781                 {
1782                 EC_KEY *ecdh=NULL;
1783
1784                 if (named_curve && strcmp(named_curve, "auto"))
1785                         {
1786                         int nid = EC_curve_nist2nid(named_curve);
1787                         if (nid == NID_undef)
1788                                 nid = OBJ_sn2nid(named_curve);
1789                         if (nid == 0)
1790                                 {
1791                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1792                                         named_curve);
1793                                 goto end;
1794                                 }
1795                         ecdh = EC_KEY_new_by_curve_name(nid);
1796                         if (ecdh == NULL)
1797                                 {
1798                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1799                                         named_curve);
1800                                 goto end;
1801                                 }
1802                         }
1803
1804                 if (ecdh != NULL)
1805                         {
1806                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1807                         }
1808                 else if (named_curve)
1809                         SSL_CTX_set_ecdh_auto(ctx, 1);
1810                 else
1811                         {
1812                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1813                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1814                         if (ecdh == NULL)
1815                                 {
1816                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1817                                 goto end;
1818                                 }
1819                         }
1820                 (void)BIO_flush(bio_s_out);
1821
1822                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1823 #ifndef OPENSSL_NO_TLSEXT
1824                 if (ctx2)
1825                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1826 #endif
1827                 EC_KEY_free(ecdh);
1828                 }
1829 #endif
1830
1831         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain))
1832                 goto end;
1833 #ifndef OPENSSL_NO_TLSEXT
1834         if (authz != NULL && !SSL_CTX_use_authz(ctx, authz, authz_length))
1835                 goto end;
1836 #endif
1837 #ifndef OPENSSL_NO_TLSEXT
1838         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL))
1839                 goto end;
1840 #endif
1841         if (s_dcert != NULL)
1842                 {
1843                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain))
1844                         goto end;
1845                 }
1846
1847 #ifndef OPENSSL_NO_RSA
1848 #if 1
1849         if (!no_tmp_rsa)
1850                 {
1851                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1852 #ifndef OPENSSL_NO_TLSEXT
1853                 if (ctx2)
1854                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1855 #endif
1856                 }
1857 #else
1858         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1859                 {
1860                 RSA *rsa;
1861
1862                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1863                 BIO_flush(bio_s_out);
1864
1865                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1866
1867                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1868                         {
1869                         ERR_print_errors(bio_err);
1870                         goto end;
1871                         }
1872 #ifndef OPENSSL_NO_TLSEXT
1873                         if (ctx2)
1874                                 {
1875                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1876                                         {
1877                                         ERR_print_errors(bio_err);
1878                                         goto end;
1879                                         }
1880                                 }
1881 #endif
1882                 RSA_free(rsa);
1883                 BIO_printf(bio_s_out,"\n");
1884                 }
1885 #endif
1886 #endif
1887
1888         if (no_resume_ephemeral)
1889                 {
1890                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1891 #ifndef OPENSSL_NO_TLSEXT
1892                 if (ctx2)
1893                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1894 #endif
1895                 }
1896
1897 #ifndef OPENSSL_NO_PSK
1898 #ifdef OPENSSL_NO_JPAKE
1899         if (psk_key != NULL)
1900 #else
1901         if (psk_key != NULL || jpake_secret)
1902 #endif
1903                 {
1904                 if (s_debug)
1905                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1906                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1907                 }
1908
1909         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1910                 {
1911                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1912                 ERR_print_errors(bio_err);
1913                 goto end;
1914                 }
1915 #endif
1916
1917         if (cipher != NULL)
1918                 {
1919                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1920                         {
1921                         BIO_printf(bio_err,"error setting cipher list\n");
1922                         ERR_print_errors(bio_err);
1923                         goto end;
1924                         }
1925 #ifndef OPENSSL_NO_TLSEXT
1926                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1927                         {
1928                         BIO_printf(bio_err,"error setting cipher list\n");
1929                         ERR_print_errors(bio_err);
1930                         goto end;
1931                         }
1932 #endif
1933                 }
1934 #ifndef OPENSSL_NO_TLSEXT
1935         if (curves)
1936                 {
1937                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1938                         {
1939                         BIO_printf(bio_err,"error setting curves list\n");
1940                         ERR_print_errors(bio_err);
1941                         goto end;
1942                         }
1943                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1944                         {
1945                         BIO_printf(bio_err,"error setting curves list\n");
1946                         ERR_print_errors(bio_err);
1947                         goto end;
1948                         }
1949                 }
1950 #endif
1951         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
1952         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
1953                 sizeof s_server_session_id_context);
1954
1955         /* Set DTLS cookie generation and verification callbacks */
1956         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
1957         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
1958
1959 #ifndef OPENSSL_NO_TLSEXT
1960         if (ctx2)
1961                 {
1962                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
1963                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
1964                         sizeof s_server_session_id_context);
1965
1966                 tlsextcbp.biodebug = bio_s_out;
1967                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
1968                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
1969                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1970                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1971                 }
1972 #endif
1973
1974 #ifndef OPENSSL_NO_SRP
1975         if (srp_verifier_file != NULL)
1976                 {
1977                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
1978                 srp_callback_parm.user = NULL;
1979                 srp_callback_parm.login = NULL;
1980                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
1981                         {
1982                         BIO_printf(bio_err,
1983                                            "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
1984                                            srp_verifier_file,ret);
1985                                 goto end;
1986                         }
1987                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
1988                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
1989                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
1990                 }
1991         else
1992 #endif
1993         if (CAfile != NULL)
1994                 {
1995                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
1996 #ifndef OPENSSL_NO_TLSEXT
1997                 if (ctx2)
1998                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
1999 #endif
2000                 }
2001
2002         BIO_printf(bio_s_out,"ACCEPT\n");
2003         (void)BIO_flush(bio_s_out);
2004         if (www)
2005                 do_server(port,socket_type,&accept_socket,www_body, context);
2006         else
2007                 do_server(port,socket_type,&accept_socket,sv_body, context);
2008         print_stats(bio_s_out,ctx);
2009         ret=0;
2010 end:
2011         if (ctx != NULL) SSL_CTX_free(ctx);
2012         if (s_cert)
2013                 X509_free(s_cert);
2014         if (s_dcert)
2015                 X509_free(s_dcert);
2016         if (s_key)
2017                 EVP_PKEY_free(s_key);
2018         if (s_dkey)
2019                 EVP_PKEY_free(s_dkey);
2020         if (pass)
2021                 OPENSSL_free(pass);
2022         if (dpass)
2023                 OPENSSL_free(dpass);
2024         free_sessions();
2025 #ifndef OPENSSL_NO_TLSEXT
2026         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2027         if (s_cert2)
2028                 X509_free(s_cert2);
2029         if (s_key2)
2030                 EVP_PKEY_free(s_key2);
2031         if (authz != NULL)
2032                 OPENSSL_free(authz);
2033         if (authz_in != NULL)
2034                 BIO_free(authz_in);
2035 #endif
2036         if (bio_s_out != NULL)
2037                 {
2038         BIO_free(bio_s_out);
2039                 bio_s_out=NULL;
2040                 }
2041         apps_shutdown();
2042         OPENSSL_EXIT(ret);
2043         }
2044
2045 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2046         {
2047         BIO_printf(bio,"%4ld items in the session cache\n",
2048                 SSL_CTX_sess_number(ssl_ctx));
2049         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2050                 SSL_CTX_sess_connect(ssl_ctx));
2051         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2052                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2053         BIO_printf(bio,"%4ld client connects that finished\n",
2054                 SSL_CTX_sess_connect_good(ssl_ctx));
2055         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2056                 SSL_CTX_sess_accept(ssl_ctx));
2057         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2058                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2059         BIO_printf(bio,"%4ld server accepts that finished\n",
2060                 SSL_CTX_sess_accept_good(ssl_ctx));
2061         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2062         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2063         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2064         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2065         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2066                 SSL_CTX_sess_cache_full(ssl_ctx),
2067                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2068         }
2069
2070 static int sv_body(char *hostname, int s, unsigned char *context)
2071         {
2072         char *buf=NULL;
2073         fd_set readfds;
2074         int ret=1,width;
2075         int k,i;
2076         unsigned long l;
2077         SSL *con=NULL;
2078         BIO *sbio;
2079 #ifndef OPENSSL_NO_KRB5
2080         KSSL_CTX *kctx;
2081 #endif
2082         struct timeval timeout;
2083 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2084         struct timeval tv;
2085 #else
2086         struct timeval *timeoutp;
2087 #endif
2088
2089         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2090                 {
2091                 BIO_printf(bio_err,"out of memory\n");
2092                 goto err;
2093                 }
2094 #ifdef FIONBIO
2095         if (s_nbio)
2096                 {
2097                 unsigned long sl=1;
2098
2099                 if (!s_quiet)
2100                         BIO_printf(bio_err,"turning on non blocking io\n");
2101                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2102                         ERR_print_errors(bio_err);
2103                 }
2104 #endif
2105
2106         if (con == NULL) {
2107                 con=SSL_new(ctx);
2108 #ifndef OPENSSL_NO_TLSEXT
2109         if (s_tlsextdebug)
2110                 {
2111                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2112                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2113                 }
2114         if (s_tlsextstatus)
2115                 {
2116                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2117                 tlscstatp.err = bio_err;
2118                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2119                 }
2120 #endif
2121 #ifndef OPENSSL_NO_KRB5
2122                 if ((kctx = kssl_ctx_new()) != NULL)
2123                         {
2124                         SSL_set0_kssl_ctx(con, kctx);
2125                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2126                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2127                         }
2128 #endif  /* OPENSSL_NO_KRB5 */
2129                 if(context)
2130                       SSL_set_session_id_context(con, context,
2131                                                  strlen((char *)context));
2132         }
2133         SSL_clear(con);
2134 #if 0
2135 #ifdef TLSEXT_TYPE_opaque_prf_input
2136         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2137 #endif
2138 #endif
2139
2140         if (SSL_version(con) == DTLS1_VERSION)
2141                 {
2142
2143                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2144
2145                 if (enable_timeouts)
2146                         {
2147                         timeout.tv_sec = 0;
2148                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2149                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2150
2151                         timeout.tv_sec = 0;
2152                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2153                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2154                         }
2155
2156                 if (socket_mtu > 28)
2157                         {
2158                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2159                         SSL_set_mtu(con, socket_mtu - 28);
2160                         }
2161                 else
2162                         /* want to do MTU discovery */
2163                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2164
2165         /* turn on cookie exchange */
2166         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2167                 }
2168         else
2169                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2170
2171         if (s_nbio_test)
2172                 {
2173                 BIO *test;
2174
2175                 test=BIO_new(BIO_f_nbio_test());
2176                 sbio=BIO_push(test,sbio);
2177                 }
2178 #ifndef OPENSSL_NO_JPAKE
2179         if(jpake_secret)
2180                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2181 #endif
2182
2183         SSL_set_bio(con,sbio,sbio);
2184         SSL_set_accept_state(con);
2185         /* SSL_set_fd(con,s); */
2186
2187         if (s_debug)
2188                 {
2189                 SSL_set_debug(con, 1);
2190                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2191                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2192                 }
2193         if (s_msg)
2194                 {
2195                 SSL_set_msg_callback(con, msg_cb);
2196                 SSL_set_msg_callback_arg(con, bio_s_out);
2197                 }
2198 #ifndef OPENSSL_NO_TLSEXT
2199         if (s_tlsextdebug)
2200                 {
2201                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2202                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2203                 }
2204 #endif
2205
2206         width=s+1;
2207         for (;;)
2208                 {
2209                 int read_from_terminal;
2210                 int read_from_sslcon;
2211
2212                 read_from_terminal = 0;
2213                 read_from_sslcon = SSL_pending(con);
2214
2215                 if (!read_from_sslcon)
2216                         {
2217                         FD_ZERO(&readfds);
2218 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2219                         openssl_fdset(fileno(stdin),&readfds);
2220 #endif
2221                         openssl_fdset(s,&readfds);
2222                         /* Note: under VMS with SOCKETSHR the second parameter is
2223                          * currently of type (int *) whereas under other systems
2224                          * it is (void *) if you don't have a cast it will choke
2225                          * the compiler: if you do have a cast then you can either
2226                          * go for (int *) or (void *).
2227                          */
2228 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2229                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2230                          * on sockets. As a workaround we timeout the select every
2231                          * second and check for any keypress. In a proper Windows
2232                          * application we wouldn't do this because it is inefficient.
2233                          */
2234                         tv.tv_sec = 1;
2235                         tv.tv_usec = 0;
2236                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2237                         if((i < 0) || (!i && !_kbhit() ) )continue;
2238                         if(_kbhit())
2239                                 read_from_terminal = 1;
2240 #elif defined(OPENSSL_SYS_BEOS_R5)
2241                         /* Under BeOS-R5 the situation is similar to DOS */
2242                         tv.tv_sec = 1;
2243                         tv.tv_usec = 0;
2244                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2245                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2246                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2247                                 continue;
2248                         if (read(fileno(stdin), buf, 0) >= 0)
2249                                 read_from_terminal = 1;
2250                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2251 #else
2252                         if ((SSL_version(con) == DTLS1_VERSION) &&
2253                                 DTLSv1_get_timeout(con, &timeout))
2254                                 timeoutp = &timeout;
2255                         else
2256                                 timeoutp = NULL;
2257
2258                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2259
2260                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2261                                 {
2262                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2263                                 }
2264
2265                         if (i <= 0) continue;
2266                         if (FD_ISSET(fileno(stdin),&readfds))
2267                                 read_from_terminal = 1;
2268 #endif
2269                         if (FD_ISSET(s,&readfds))
2270                                 read_from_sslcon = 1;
2271                         }
2272                 if (read_from_terminal)
2273                         {
2274                         if (s_crlf)
2275                                 {
2276                                 int j, lf_num;
2277
2278                                 i=raw_read_stdin(buf, bufsize/2);
2279                                 lf_num = 0;
2280                                 /* both loops are skipped when i <= 0 */
2281                                 for (j = 0; j < i; j++)
2282                                         if (buf[j] == '\n')
2283                                                 lf_num++;
2284                                 for (j = i-1; j >= 0; j--)
2285                                         {
2286                                         buf[j+lf_num] = buf[j];
2287                                         if (buf[j] == '\n')
2288                                                 {
2289                                                 lf_num--;
2290                                                 i++;
2291                                                 buf[j+lf_num] = '\r';
2292                                                 }
2293                                         }
2294                                 assert(lf_num == 0);
2295                                 }
2296                         else
2297                                 i=raw_read_stdin(buf,bufsize);
2298                         if (!s_quiet)
2299                                 {
2300                                 if ((i <= 0) || (buf[0] == 'Q'))
2301                                         {
2302                                         BIO_printf(bio_s_out,"DONE\n");
2303                                         SHUTDOWN(s);
2304                                         close_accept_socket();
2305                                         ret= -11;
2306                                         goto err;
2307                                         }
2308                                 if ((i <= 0) || (buf[0] == 'q'))
2309                                         {
2310                                         BIO_printf(bio_s_out,"DONE\n");
2311                                         if (SSL_version(con) != DTLS1_VERSION)
2312                         SHUTDOWN(s);
2313         /*                              close_accept_socket();
2314                                         ret= -11;*/
2315                                         goto err;
2316                                         }
2317
2318 #ifndef OPENSSL_NO_HEARTBEATS
2319                                 if ((buf[0] == 'B') &&
2320                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2321                                         {
2322                                         BIO_printf(bio_err,"HEARTBEATING\n");
2323                                         SSL_heartbeat(con);
2324                                         i=0;
2325                                         continue;
2326                                         }
2327 #endif
2328                                 if ((buf[0] == 'r') &&
2329                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2330                                         {
2331                                         SSL_renegotiate(con);
2332                                         i=SSL_do_handshake(con);
2333                                         printf("SSL_do_handshake -> %d\n",i);
2334                                         i=0; /*13; */
2335                                         continue;
2336                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2337                                         }
2338                                 if ((buf[0] == 'R') &&
2339                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2340                                         {
2341                                         SSL_set_verify(con,
2342                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2343                                         SSL_renegotiate(con);
2344                                         i=SSL_do_handshake(con);
2345                                         printf("SSL_do_handshake -> %d\n",i);
2346                                         i=0; /* 13; */
2347                                         continue;
2348                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2349                                         }
2350                                 if (buf[0] == 'P')
2351                                         {
2352                                         static const char *str="Lets print some clear text\n";
2353                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2354                                         }
2355                                 if (buf[0] == 'S')
2356                                         {
2357                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2358                                         }
2359                                 }
2360 #ifdef CHARSET_EBCDIC
2361                         ebcdic2ascii(buf,buf,i);
2362 #endif
2363                         l=k=0;
2364                         for (;;)
2365                                 {
2366                                 /* should do a select for the write */
2367 #ifdef RENEG
2368 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2369 #endif
2370                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2371 #ifndef OPENSSL_NO_SRP
2372                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2373                                         {
2374                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2375                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2376                                         if (srp_callback_parm.user)
2377                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2378                                         else
2379                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2380                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2381                                         }
2382 #endif
2383                                 switch (SSL_get_error(con,k))
2384                                         {
2385                                 case SSL_ERROR_NONE:
2386                                         break;
2387                                 case SSL_ERROR_WANT_WRITE:
2388                                 case SSL_ERROR_WANT_READ:
2389                                 case SSL_ERROR_WANT_X509_LOOKUP:
2390                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2391                                         break;
2392                                 case SSL_ERROR_SYSCALL:
2393                                 case SSL_ERROR_SSL:
2394                                         BIO_printf(bio_s_out,"ERROR\n");
2395                                         ERR_print_errors(bio_err);
2396                                         ret=1;
2397                                         goto err;
2398                                         /* break; */
2399                                 case SSL_ERROR_ZERO_RETURN:
2400                                         BIO_printf(bio_s_out,"DONE\n");
2401                                         ret=1;
2402                                         goto err;
2403                                         }
2404                                 l+=k;
2405                                 i-=k;
2406                                 if (i <= 0) break;
2407                                 }
2408                         }
2409                 if (read_from_sslcon)
2410                         {
2411                         if (!SSL_is_init_finished(con))
2412                                 {
2413                                 i=init_ssl_connection(con);
2414
2415                                 if (i < 0)
2416                                         {
2417                                         ret=0;
2418                                         goto err;
2419                                         }
2420                                 else if (i == 0)
2421                                         {
2422                                         ret=1;
2423                                         goto err;
2424                                         }
2425                                 }
2426                         else
2427                                 {
2428 again:
2429                                 i=SSL_read(con,(char *)buf,bufsize);
2430 #ifndef OPENSSL_NO_SRP
2431                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2432                                         {
2433                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2434                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2435                                         if (srp_callback_parm.user)
2436                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2437                                         else
2438                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2439                                         i=SSL_read(con,(char *)buf,bufsize);
2440                                         }
2441 #endif
2442                                 switch (SSL_get_error(con,i))
2443                                         {
2444                                 case SSL_ERROR_NONE:
2445 #ifdef CHARSET_EBCDIC
2446                                         ascii2ebcdic(buf,buf,i);
2447 #endif
2448                                         raw_write_stdout(buf,
2449                                                 (unsigned int)i);
2450                                         if (SSL_pending(con)) goto again;
2451                                         break;
2452                                 case SSL_ERROR_WANT_WRITE:
2453                                 case SSL_ERROR_WANT_READ:
2454                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2455                                         break;
2456                                 case SSL_ERROR_SYSCALL:
2457                                 case SSL_ERROR_SSL:
2458                                         BIO_printf(bio_s_out,"ERROR\n");
2459                                         ERR_print_errors(bio_err);
2460                                         ret=1;
2461                                         goto err;
2462                                 case SSL_ERROR_ZERO_RETURN:
2463                                         BIO_printf(bio_s_out,"DONE\n");
2464                                         ret=1;
2465                                         goto err;
2466                                         }
2467                                 }
2468                         }
2469                 }
2470 err:
2471         if (con != NULL)
2472                 {
2473                 BIO_printf(bio_s_out,"shutting down SSL\n");
2474 #if 1
2475                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2476 #else
2477                 SSL_shutdown(con);
2478 #endif
2479                 SSL_free(con);
2480                 }
2481         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2482         if (buf != NULL)
2483                 {
2484                 OPENSSL_cleanse(buf,bufsize);
2485                 OPENSSL_free(buf);
2486                 }
2487         if (ret >= 0)
2488                 BIO_printf(bio_s_out,"ACCEPT\n");
2489         return(ret);
2490         }
2491
2492 static void close_accept_socket(void)
2493         {
2494         BIO_printf(bio_err,"shutdown accept socket\n");
2495         if (accept_socket >= 0)
2496                 {
2497                 SHUTDOWN2(accept_socket);
2498                 }
2499         }
2500
2501 static int init_ssl_connection(SSL *con)
2502         {
2503         int i;
2504         const char *str;
2505         X509 *peer;
2506         long verify_error;
2507         MS_STATIC char buf[BUFSIZ];
2508 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2509         const unsigned char *next_proto_neg;
2510         unsigned next_proto_neg_len;
2511 #endif
2512 #ifndef OPENSSL_NO_KRB5
2513         char *client_princ;
2514 #endif
2515         unsigned char *exportedkeymat;
2516
2517
2518         i=SSL_accept(con);
2519 #ifndef OPENSSL_NO_SRP
2520         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2521                 {
2522                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2523                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2524                         if (srp_callback_parm.user)
2525                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2526                         else
2527                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2528                         i=SSL_accept(con);
2529                 }
2530 #endif
2531         if (i <= 0)
2532                 {
2533                 if (BIO_sock_should_retry(i))
2534                         {
2535                         BIO_printf(bio_s_out,"DELAY\n");
2536                         return(1);
2537                         }
2538
2539                 BIO_printf(bio_err,"ERROR\n");
2540                 verify_error=SSL_get_verify_result(con);
2541                 if (verify_error != X509_V_OK)
2542                         {
2543                         BIO_printf(bio_err,"verify error:%s\n",
2544                                 X509_verify_cert_error_string(verify_error));
2545                         }
2546                 else
2547                         ERR_print_errors(bio_err);
2548                 return(0);
2549                 }
2550
2551         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2552
2553         peer=SSL_get_peer_certificate(con);
2554         if (peer != NULL)
2555                 {
2556                 BIO_printf(bio_s_out,"Client certificate\n");
2557                 PEM_write_bio_X509(bio_s_out,peer);
2558                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2559                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2560                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2561                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2562                 X509_free(peer);
2563                 }
2564
2565         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2566                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2567         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2568         ssl_print_sigalgs(bio_s_out, con);
2569         ssl_print_curves(bio_s_out, con);
2570         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2571
2572 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2573         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2574         if (next_proto_neg)
2575                 {
2576                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2577                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2578                 BIO_printf(bio_s_out, "\n");
2579                 }
2580 #endif
2581         {
2582         SRTP_PROTECTION_PROFILE *srtp_profile
2583           = SSL_get_selected_srtp_profile(con);
2584
2585         if(srtp_profile)
2586                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2587                            srtp_profile->name);
2588         }
2589         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2590         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2591                 TLS1_FLAGS_TLS_PADDING_BUG)
2592                 BIO_printf(bio_s_out,
2593                            "Peer has incorrect TLSv1 block padding\n");
2594 #ifndef OPENSSL_NO_KRB5
2595         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2596         if (client_princ != NULL)
2597                 {
2598                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2599                                                                 client_princ);
2600                 }
2601 #endif /* OPENSSL_NO_KRB5 */
2602         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2603                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2604         if (keymatexportlabel != NULL)
2605                 {
2606                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2607                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2608                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2609                            keymatexportlen);
2610                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2611                 if (exportedkeymat != NULL)
2612                         {
2613                         if (!SSL_export_keying_material(con, exportedkeymat,
2614                                                         keymatexportlen,
2615                                                         keymatexportlabel,
2616                                                         strlen(keymatexportlabel),
2617                                                         NULL, 0, 0))
2618                                 {
2619                                 BIO_printf(bio_s_out, "    Error\n");
2620                                 }
2621                         else
2622                                 {
2623                                 BIO_printf(bio_s_out, "    Keying material: ");
2624                                 for (i=0; i<keymatexportlen; i++)
2625                                         BIO_printf(bio_s_out, "%02X",
2626                                                    exportedkeymat[i]);
2627                                 BIO_printf(bio_s_out, "\n");
2628                                 }
2629                         OPENSSL_free(exportedkeymat);
2630                         }
2631                 }
2632
2633         return(1);
2634         }
2635
2636 #ifndef OPENSSL_NO_DH
2637 static DH *load_dh_param(const char *dhfile)
2638         {
2639         DH *ret=NULL;
2640         BIO *bio;
2641
2642         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2643                 goto err;
2644         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2645 err:
2646         if (bio != NULL) BIO_free(bio);
2647         return(ret);
2648         }
2649 #endif
2650
2651 #if 0
2652 static int load_CA(SSL_CTX *ctx, char *file)
2653         {
2654         FILE *in;
2655         X509 *x=NULL;
2656
2657         if ((in=fopen(file,"r")) == NULL)
2658                 return(0);
2659
2660         for (;;)
2661                 {
2662                 if (PEM_read_X509(in,&x,NULL) == NULL)
2663                         break;
2664                 SSL_CTX_add_client_CA(ctx,x);
2665                 }
2666         if (x != NULL) X509_free(x);
2667         fclose(in);
2668         return(1);
2669         }
2670 #endif
2671
2672 static int www_body(char *hostname, int s, unsigned char *context)
2673         {
2674         char *buf=NULL;
2675         int ret=1;
2676         int i,j,k,dot;
2677         SSL *con;
2678         const SSL_CIPHER *c;
2679         BIO *io,*ssl_bio,*sbio;
2680 #ifndef OPENSSL_NO_KRB5
2681         KSSL_CTX *kctx;
2682 #endif
2683
2684         buf=OPENSSL_malloc(bufsize);
2685         if (buf == NULL) return(0);
2686         io=BIO_new(BIO_f_buffer());
2687         ssl_bio=BIO_new(BIO_f_ssl());
2688         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2689
2690 #ifdef FIONBIO
2691         if (s_nbio)
2692                 {
2693                 unsigned long sl=1;
2694
2695                 if (!s_quiet)
2696                         BIO_printf(bio_err,"turning on non blocking io\n");
2697                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2698                         ERR_print_errors(bio_err);
2699                 }
2700 #endif
2701
2702         /* lets make the output buffer a reasonable size */
2703         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2704
2705         if ((con=SSL_new(ctx)) == NULL) goto err;
2706 #ifndef OPENSSL_NO_TLSEXT
2707                 if (s_tlsextdebug)
2708                         {
2709                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2710                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2711                         }
2712 #endif
2713 #ifndef OPENSSL_NO_KRB5
2714         if ((kctx = kssl_ctx_new()) != NULL)
2715                 {
2716                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2717                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2718                 }
2719 #endif  /* OPENSSL_NO_KRB5 */
2720         if(context) SSL_set_session_id_context(con, context,
2721                                                strlen((char *)context));
2722
2723         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2724         if (s_nbio_test)
2725                 {
2726                 BIO *test;
2727
2728                 test=BIO_new(BIO_f_nbio_test());
2729                 sbio=BIO_push(test,sbio);
2730                 }
2731         SSL_set_bio(con,sbio,sbio);
2732         SSL_set_accept_state(con);
2733         /* SSL_set_fd(con,s); */
2734         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2735         BIO_push(io,ssl_bio);
2736 #ifdef CHARSET_EBCDIC
2737         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2738 #endif
2739
2740         if (s_debug)
2741                 {
2742                 SSL_set_debug(con, 1);
2743                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2744                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2745                 }
2746         if (s_msg)
2747                 {
2748                 SSL_set_msg_callback(con, msg_cb);
2749                 SSL_set_msg_callback_arg(con, bio_s_out);
2750                 }
2751
2752         for (;;)
2753                 {
2754                 if (hack)
2755                         {
2756                         i=SSL_accept(con);
2757 #ifndef OPENSSL_NO_SRP
2758                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2759                 {
2760                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2761                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2762                         if (srp_callback_parm.user)
2763                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2764                         else
2765                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2766                         i=SSL_accept(con);
2767                 }
2768 #endif
2769                         switch (SSL_get_error(con,i))
2770                                 {
2771                         case SSL_ERROR_NONE:
2772                                 break;
2773                         case SSL_ERROR_WANT_WRITE:
2774                         case SSL_ERROR_WANT_READ:
2775                         case SSL_ERROR_WANT_X509_LOOKUP:
2776                                 continue;
2777                         case SSL_ERROR_SYSCALL:
2778                         case SSL_ERROR_SSL:
2779                         case SSL_ERROR_ZERO_RETURN:
2780                                 ret=1;
2781                                 goto err;
2782                                 /* break; */
2783                                 }
2784
2785                         SSL_renegotiate(con);
2786                         SSL_write(con,NULL,0);
2787                         }
2788
2789                 i=BIO_gets(io,buf,bufsize-1);
2790                 if (i < 0) /* error */
2791                         {
2792                         if (!BIO_should_retry(io))
2793                                 {
2794                                 if (!s_quiet)
2795                                         ERR_print_errors(bio_err);
2796                                 goto err;
2797                                 }
2798                         else
2799                                 {
2800                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2801 #if defined(OPENSSL_SYS_NETWARE)
2802             delay(1000);
2803 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2804                                 sleep(1);
2805 #endif
2806                                 continue;
2807                                 }
2808                         }
2809                 else if (i == 0) /* end of input */
2810                         {
2811                         ret=1;
2812                         goto end;
2813                         }
2814
2815                 /* else we have data */
2816                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2817                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2818                         {
2819                         char *p;
2820                         X509 *peer;
2821                         STACK_OF(SSL_CIPHER) *sk;
2822                         static const char *space="                          ";
2823
2824                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2825                         {
2826                         if (strncmp("GET /renegcert", buf, 14) == 0)
2827                                 SSL_set_verify(con,
2828                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2829                         i=SSL_renegotiate(con);
2830                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2831                         i=SSL_do_handshake(con);
2832                         if (i <= 0)
2833                                 {
2834                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2835                                 ERR_print_errors(bio_err);
2836                                 goto err;
2837                                 }
2838                         /* EVIL HACK! */
2839                         SSL_set_state(con, SSL_ST_ACCEPT);
2840                         i=SSL_do_handshake(con);
2841                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2842                         if (i <= 0)
2843                                 {
2844                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2845                                 ERR_print_errors(bio_err);
2846                                 goto err;
2847                                 }
2848                         }
2849
2850                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2851                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2852                         BIO_puts(io,"<pre>\n");
2853 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2854                         BIO_puts(io,"\n");
2855                         for (i=0; i<local_argc; i++)
2856                                 {
2857                                 BIO_puts(io,local_argv[i]);
2858                                 BIO_write(io," ",1);
2859                                 }
2860                         BIO_puts(io,"\n");
2861
2862                         BIO_printf(io,
2863                                 "Secure Renegotiation IS%s supported\n",
2864                                 SSL_get_secure_renegotiation_support(con) ?
2865                                                         "" : " NOT");
2866
2867                         /* The following is evil and should not really
2868                          * be done */
2869                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2870                         sk=SSL_get_ciphers(con);
2871                         j=sk_SSL_CIPHER_num(sk);
2872                         for (i=0; i<j; i++)
2873                                 {
2874                                 c=sk_SSL_CIPHER_value(sk,i);
2875                                 BIO_printf(io,"%-11s:%-25s",
2876                                         SSL_CIPHER_get_version(c),
2877                                         SSL_CIPHER_get_name(c));
2878                                 if ((((i+1)%2) == 0) && (i+1 != j))
2879                                         BIO_puts(io,"\n");
2880                                 }
2881                         BIO_puts(io,"\n");
2882                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2883                         if (p != NULL)
2884                                 {
2885                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2886                                 j=i=0;
2887                                 while (*p)
2888                                         {
2889                                         if (*p == ':')
2890                                                 {
2891                                                 BIO_write(io,space,26-j);
2892                                                 i++;
2893                                                 j=0;
2894                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2895                                                 }
2896                                         else
2897                                                 {
2898                                                 BIO_write(io,p,1);
2899                                                 j++;
2900                                                 }
2901                                         p++;
2902                                         }
2903                                 BIO_puts(io,"\n");
2904                                 }
2905                         ssl_print_sigalgs(io, con);
2906                         ssl_print_curves(io, con);
2907                         BIO_printf(io,(SSL_cache_hit(con)
2908                                 ?"---\nReused, "
2909                                 :"---\nNew, "));
2910                         c=SSL_get_current_cipher(con);
2911                         BIO_printf(io,"%s, Cipher is %s\n",
2912                                 SSL_CIPHER_get_version(c),
2913                                 SSL_CIPHER_get_name(c));
2914                         SSL_SESSION_print(io,SSL_get_session(con));
2915                         BIO_printf(io,"---\n");
2916                         print_stats(io,SSL_get_SSL_CTX(con));
2917                         BIO_printf(io,"---\n");
2918                         peer=SSL_get_peer_certificate(con);
2919                         if (peer != NULL)
2920                                 {
2921                                 BIO_printf(io,"Client certificate\n");
2922                                 X509_print(io,peer);
2923                                 PEM_write_bio_X509(io,peer);
2924                                 }
2925                         else
2926                                 BIO_puts(io,"no client certificate available\n");
2927                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
2928                         break;
2929                         }
2930                 else if ((www == 2 || www == 3)
2931                          && (strncmp("GET /",buf,5) == 0))
2932                         {
2933                         BIO *file;
2934                         char *p,*e;
2935                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
2936
2937                         /* skip the '/' */
2938                         p= &(buf[5]);
2939
2940                         dot = 1;
2941                         for (e=p; *e != '\0'; e++)
2942                                 {
2943                                 if (e[0] == ' ')
2944                                         break;
2945
2946                                 switch (dot)
2947                                         {
2948                                 case 1:
2949                                         dot = (e[0] == '.') ? 2 : 0;
2950                                         break;
2951                                 case 2:
2952                                         dot = (e[0] == '.') ? 3 : 0;
2953                                         break;
2954                                 case 3:
2955                                         dot = (e[0] == '/') ? -1 : 0;
2956                                         break;
2957                                         }
2958                                 if (dot == 0)
2959                                         dot = (e[0] == '/') ? 1 : 0;
2960                                 }
2961                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
2962
2963                         if (*e == '\0')
2964                                 {
2965                                 BIO_puts(io,text);
2966                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
2967                                 break;
2968                                 }
2969                         *e='\0';
2970
2971                         if (dot)
2972                                 {
2973                                 BIO_puts(io,text);
2974                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
2975                                 break;
2976                                 }
2977
2978                         if (*p == '/')
2979                                 {
2980                                 BIO_puts(io,text);
2981                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
2982                                 break;
2983                                 }
2984
2985 #if 0
2986                         /* append if a directory lookup */
2987                         if (e[-1] == '/')
2988                                 strcat(p,"index.html");
2989 #endif
2990
2991                         /* if a directory, do the index thang */
2992                         if (app_isdir(p)>0)
2993                                 {
2994 #if 0 /* must check buffer size */
2995                                 strcat(p,"/index.html");
2996 #else
2997                                 BIO_puts(io,text);
2998                                 BIO_printf(io,"'%s' is a directory\r\n",p);
2999                                 break;
3000 #endif
3001                                 }
3002
3003                         if ((file=BIO_new_file(p,"r")) == NULL)
3004                                 {
3005                                 BIO_puts(io,text);
3006                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3007                                 ERR_print_errors(io);
3008                                 break;
3009                                 }
3010
3011                         if (!s_quiet)
3012                                 BIO_printf(bio_err,"FILE:%s\n",p);
3013
3014                         if (www == 2)
3015                                 {
3016                                 i=strlen(p);
3017                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3018                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3019                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3020                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3021                                 else
3022                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3023                                 }
3024                         /* send the file */
3025                         for (;;)
3026                                 {
3027                                 i=BIO_read(file,buf,bufsize);
3028                                 if (i <= 0) break;
3029
3030 #ifdef RENEG
3031                                 total_bytes+=i;
3032                                 fprintf(stderr,"%d\n",i);
3033                                 if (total_bytes > 3*1024)
3034                                         {
3035                                         total_bytes=0;
3036                                         fprintf(stderr,"RENEGOTIATE\n");
3037                                         SSL_renegotiate(con);
3038                                         }
3039 #endif
3040
3041                                 for (j=0; j<i; )
3042                                         {
3043 #ifdef RENEG
3044 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3045 #endif
3046                                         k=BIO_write(io,&(buf[j]),i-j);
3047                                         if (k <= 0)
3048                                                 {
3049                                                 if (!BIO_should_retry(io))
3050                                                         goto write_error;
3051                                                 else
3052                                                         {
3053                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3054                                                         }
3055                                                 }
3056                                         else
3057                                                 {
3058                                                 j+=k;
3059                                                 }
3060                                         }
3061                                 }
3062 write_error:
3063                         BIO_free(file);
3064                         break;
3065                         }
3066                 }
3067
3068         for (;;)
3069                 {
3070                 i=(int)BIO_flush(io);
3071                 if (i <= 0)
3072                         {
3073                         if (!BIO_should_retry(io))
3074                                 break;
3075                         }
3076                 else
3077                         break;
3078                 }
3079 end:
3080 #if 1
3081         /* make sure we re-use sessions */
3082         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3083 #else
3084         /* This kills performance */
3085 /*      SSL_shutdown(con); A shutdown gets sent in the
3086  *      BIO_free_all(io) procession */
3087 #endif
3088
3089 err:
3090
3091         if (ret >= 0)
3092                 BIO_printf(bio_s_out,"ACCEPT\n");
3093
3094         if (buf != NULL) OPENSSL_free(buf);
3095         if (io != NULL) BIO_free_all(io);
3096 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3097         return(ret);
3098         }
3099
3100 #ifndef OPENSSL_NO_RSA
3101 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3102         {
3103         BIGNUM *bn = NULL;
3104         static RSA *rsa_tmp=NULL;
3105
3106         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3107                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3108         if (!rsa_tmp && bn)
3109                 {
3110                 if (!s_quiet)
3111                         {
3112                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3113                         (void)BIO_flush(bio_err);
3114                         }
3115                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3116                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3117                         {
3118                         if(rsa_tmp) RSA_free(rsa_tmp);
3119                         rsa_tmp = NULL;
3120                         }
3121                 if (!s_quiet)
3122                         {
3123                         BIO_printf(bio_err,"\n");
3124                         (void)BIO_flush(bio_err);
3125                         }
3126                 BN_free(bn);
3127                 }
3128         return(rsa_tmp);
3129         }
3130 #endif
3131
3132 #define MAX_SESSION_ID_ATTEMPTS 10
3133 static int generate_session_id(const SSL *ssl, unsigned char *id,
3134                                 unsigned int *id_len)
3135         {
3136         unsigned int count = 0;
3137         do      {
3138                 RAND_pseudo_bytes(id, *id_len);
3139                 /* Prefix the session_id with the required prefix. NB: If our
3140                  * prefix is too long, clip it - but there will be worse effects
3141                  * anyway, eg. the server could only possibly create 1 session
3142                  * ID (ie. the prefix!) so all future session negotiations will
3143                  * fail due to conflicts. */
3144                 memcpy(id, session_id_prefix,
3145                         (strlen(session_id_prefix) < *id_len) ?
3146                         strlen(session_id_prefix) : *id_len);
3147                 }
3148         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3149                 (++count < MAX_SESSION_ID_ATTEMPTS));
3150         if(count >= MAX_SESSION_ID_ATTEMPTS)
3151                 return 0;
3152         return 1;
3153         }
3154
3155 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3156  * structures without any serialisation. This hides some bugs which only
3157  * become apparent in deployed servers. By implementing a basic external
3158  * session cache some issues can be debugged using s_server.
3159  */
3160
3161 typedef struct simple_ssl_session_st
3162         {
3163         unsigned char *id;
3164         unsigned int idlen;
3165         unsigned char *der;
3166         int derlen;
3167         struct simple_ssl_session_st *next;
3168         } simple_ssl_session;
3169
3170 static simple_ssl_session *first = NULL;
3171
3172 static int add_session(SSL *ssl, SSL_SESSION *session)
3173         {
3174         simple_ssl_session *sess;
3175         unsigned char *p;
3176
3177         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3178
3179         SSL_SESSION_get_id(session, &sess->idlen);
3180         sess->derlen = i2d_SSL_SESSION(session, NULL);
3181
3182         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3183
3184         sess->der = OPENSSL_malloc(sess->derlen);
3185         p = sess->der;
3186         i2d_SSL_SESSION(session, &p);
3187
3188         sess->next = first;
3189         first = sess;
3190         BIO_printf(bio_err, "New session added to external cache\n");
3191         return 0;
3192         }
3193
3194 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3195                                         int *do_copy)
3196         {
3197         simple_ssl_session *sess;
3198         *do_copy = 0;
3199         for (sess = first; sess; sess = sess->next)
3200                 {
3201                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3202                         {
3203                         const unsigned char *p = sess->der;
3204                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3205                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3206                         }
3207                 }
3208         BIO_printf(bio_err, "Lookup session: cache miss\n");
3209         return NULL;
3210         }
3211
3212 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3213         {
3214         simple_ssl_session *sess, *prev = NULL;
3215         const unsigned char *id;
3216         unsigned int idlen;
3217         id = SSL_SESSION_get_id(session, &idlen);
3218         for (sess = first; sess; sess = sess->next)
3219                 {
3220                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3221                         {
3222                         if(prev)
3223                                 prev->next = sess->next;
3224                         else
3225                                 first = sess->next;
3226                         OPENSSL_free(sess->id);
3227                         OPENSSL_free(sess->der);
3228                         OPENSSL_free(sess);
3229                         return;
3230                         }
3231                 prev = sess;
3232                 }
3233         }
3234
3235 static void init_session_cache_ctx(SSL_CTX *sctx)
3236         {
3237         SSL_CTX_set_session_cache_mode(sctx,
3238                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3239         SSL_CTX_sess_set_new_cb(sctx, add_session);
3240         SSL_CTX_sess_set_get_cb(sctx, get_session);
3241         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3242         }
3243
3244 static void free_sessions(void)
3245         {
3246         simple_ssl_session *sess, *tsess;
3247         for (sess = first; sess;)
3248                 {
3249                 OPENSSL_free(sess->id);
3250                 OPENSSL_free(sess->der);
3251                 tsess = sess;
3252                 sess = sess->next;
3253                 OPENSSL_free(tsess);
3254                 }
3255         first = NULL;
3256         }
3257
3258
3259
3260
3261
3262
3263
3264
3265
3266