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