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 static int ssl_load_stores(SSL_CTX *sctx,
 219                         const char *vfyCApath, const char *vfyCAfile,
 220                         const char *chCApath, const char *chCAfile);
 221 #ifndef OPENSSL_NO_DH
 222 static DH *load_dh_param(const char *dhfile);
 223 static DH *get_dh512(void);
 224 #endif
 225
 226 #ifdef MONOLITH
 227 static void s_server_init(void);
 228 #endif
 229
 230 #ifndef OPENSSL_NO_DH
 231 static unsigned char dh512_p[]={
 232         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 233         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 234         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 235         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 236         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 237         0x47,0x74,0xE8,0x33,
 238         };
 239 static unsigned char dh512_g[]={
 240         0x02,
 241         };
 242
 243 static DH *get_dh512(void)
 244         {
 245         DH *dh=NULL;
 246
 247         if ((dh=DH_new()) == NULL) return(NULL);
 248         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 249         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 250         if ((dh->p == NULL) || (dh->g == NULL))
 251                 return(NULL);
 252         return(dh);
 253         }
 254 #endif
 255
 256
 257 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 258
 259 #undef BUFSIZZ
 260 #define BUFSIZZ 16*1024
 261 static int bufsize=BUFSIZZ;
 262 static int accept_socket= -1;
 263
 264 #define TEST_CERT       "server.pem"
 265 #ifndef OPENSSL_NO_TLSEXT
 266 #define TEST_CERT2      "server2.pem"
 267 #endif
 268 #undef PROG
 269 #define PROG            s_server_main
 270
 271 extern int verify_depth, verify_return_error;
 272
 273 static char *cipher=NULL;
 274 static int s_server_verify=SSL_VERIFY_NONE;
 275 static int s_server_session_id_context = 1; /* anything will do */
 276 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 277 #ifndef OPENSSL_NO_TLSEXT
 278 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 279 static char *curves=NULL;
 280 static char *sigalgs=NULL;
 281 static char *client_sigalgs=NULL;
 282 #endif
 283 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 284 #ifdef FIONBIO
 285 static int s_nbio=0;
 286 #endif
 287 static int s_nbio_test=0;
 288 int s_crlf=0;
 289 static SSL_CTX *ctx=NULL;
 290 #ifndef OPENSSL_NO_TLSEXT
 291 static SSL_CTX *ctx2=NULL;
 292 #endif
 293 static int www=0;
 294
 295 static BIO *bio_s_out=NULL;
 296 static BIO *bio_s_msg = NULL;
 297 static int s_debug=0;
 298 #ifndef OPENSSL_NO_TLSEXT
 299 static int s_tlsextdebug=0;
 300 static int s_tlsextstatus=0;
 301 static int cert_status_cb(SSL *s, void *arg);
 302 #endif
 303 static int no_resume_ephemeral = 0;
 304 static int s_msg=0;
 305 static int s_quiet=0;
 306
 307 static char *keymatexportlabel=NULL;
 308 static int keymatexportlen=20;
 309
 310 static int hack=0;
 311 #ifndef OPENSSL_NO_ENGINE
 312 static char *engine_id=NULL;
 313 #endif
 314 static const char *session_id_prefix=NULL;
 315
 316 static int enable_timeouts = 0;
 317 static long socket_mtu;
 318 #ifndef OPENSSL_NO_DTLS1
 319 static int cert_chain = 0;
 320 #endif
 321
 322 #ifndef OPENSSL_NO_TLSEXT
 323 static BIO *authz_in = NULL;
 324 static const char *s_authz_file = NULL;
 325 #endif
 326
 327 #ifndef OPENSSL_NO_PSK
 328 static char *psk_identity="Client_identity";
 329 char *psk_key=NULL; /* by default PSK is not used */
 330
 331 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 332         unsigned char *psk, unsigned int max_psk_len)
 333         {
 334         unsigned int psk_len = 0;
 335         int ret;
 336         BIGNUM *bn = NULL;
 337
 338         if (s_debug)
 339                 BIO_printf(bio_s_out,"psk_server_cb\n");
 340         if (!identity)
 341                 {
 342                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 343                 goto out_err;
 344                 }
 345         if (s_debug)
 346                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 347                         identity ? (int)strlen(identity) : 0, identity);
 348
 349         /* here we could lookup the given identity e.g. from a database */
 350         if (strcmp(identity, psk_identity) != 0)
 351                 {
 352                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 353                            " (got '%s' expected '%s')\n", identity,
 354                            psk_identity);
 355                 goto out_err;
 356                 }
 357         if (s_debug)
 358                 BIO_printf(bio_s_out, "PSK client identity found\n");
 359
 360         /* convert the PSK key to binary */
 361         ret = BN_hex2bn(&bn, psk_key);
 362         if (!ret)
 363                 {
 364                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 365                 if (bn)
 366                         BN_free(bn);
 367                 return 0;
 368                 }
 369         if (BN_num_bytes(bn) > (int)max_psk_len)
 370                 {
 371                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 372                         max_psk_len, BN_num_bytes(bn));
 373                 BN_free(bn);
 374                 return 0;
 375                 }
 376
 377         ret = BN_bn2bin(bn, psk);
 378         BN_free(bn);
 379
 380         if (ret < 0)
 381                 goto out_err;
 382         psk_len = (unsigned int)ret;
 383
 384         if (s_debug)
 385                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 386         return psk_len;
 387  out_err:
 388         if (s_debug)
 389                 BIO_printf(bio_err, "Error in PSK server callback\n");
 390         return 0;
 391         }
 392 #endif
 393
 394 #ifndef OPENSSL_NO_SRP
 395 /* This is a context that we pass to callbacks */
 396 typedef struct srpsrvparm_st
 397         {
 398         char *login;
 399         SRP_VBASE *vb;
 400         SRP_user_pwd *user;
 401         } srpsrvparm;
 402
 403 /* This callback pretends to require some asynchronous logic in order to obtain
 404    a verifier. When the callback is called for a new connection we return
 405    with a negative value. This will provoke the accept etc to return with
 406    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 407    (which would normally occur after a worker has finished) and we
 408    set the user parameters.
 409 */
 410 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 411         {
 412         srpsrvparm *p = (srpsrvparm *)arg;
 413         if (p->login == NULL && p->user == NULL )
 414                 {
 415                 p->login = SSL_get_srp_username(s);
 416                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 417                 return (-1) ;
 418                 }
 419
 420         if (p->user == NULL)
 421                 {
 422                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 423                 return SSL3_AL_FATAL;
 424                 }
 425         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 426                                      p->user->info) < 0)
 427                 {
 428                 *ad = SSL_AD_INTERNAL_ERROR;
 429                 return SSL3_AL_FATAL;
 430                 }
 431         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 432         /* need to check whether there are memory leaks */
 433         p->user = NULL;
 434         p->login = NULL;
 435         return SSL_ERROR_NONE;
 436         }
 437
 438 #endif
 439
 440 #ifdef MONOLITH
 441 static void s_server_init(void)
 442         {
 443         accept_socket=-1;
 444         cipher=NULL;
 445         s_server_verify=SSL_VERIFY_NONE;
 446         s_dcert_file=NULL;
 447         s_dkey_file=NULL;
 448         s_dchain_file=NULL;
 449         s_cert_file=TEST_CERT;
 450         s_key_file=NULL;
 451         s_chain_file=NULL;
 452 #ifndef OPENSSL_NO_TLSEXT
 453         curves=NULL;
 454         s_cert_file2=TEST_CERT2;
 455         s_key_file2=NULL;
 456         ctx2=NULL;
 457 #endif
 458 #ifdef FIONBIO
 459         s_nbio=0;
 460 #endif
 461         s_nbio_test=0;
 462         ctx=NULL;
 463         www=0;
 464
 465         bio_s_out=NULL;
 466         s_debug=0;
 467         s_msg=0;
 468         s_quiet=0;
 469         hack=0;
 470 #ifndef OPENSSL_NO_ENGINE
 471         engine_id=NULL;
 472 #endif
 473         }
 474 #endif
 475
 476 static void sv_usage(void)
 477         {
 478         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 479         BIO_printf(bio_err,"\n");
 480         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 481         BIO_printf(bio_err," -context arg  - set session ID context\n");
 482         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 483         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 484         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 485         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 486         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 487         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 488                            "                 The CRL(s) are appended to the certificate file\n");
 489         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 490                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 491                            "                 the certificate file.\n");
 492         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 493         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 494         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 495         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 496         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 497         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 498         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 499         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 500         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 501         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 502         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 503         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 504 #ifndef OPENSSL_NO_ECDH
 505         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 506                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 507                            "                 (default is nistp256).\n");
 508 #endif
 509 #ifdef FIONBIO
 510         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 511 #endif
 512         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 513         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 514         BIO_printf(bio_err," -debug        - Print more output\n");
 515         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 516         BIO_printf(bio_err," -state        - Print the SSL states\n");
 517         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 518         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 519         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 520         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 521         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 522         BIO_printf(bio_err," -quiet        - No server output\n");
 523         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 524 #ifndef OPENSSL_NO_PSK
 525         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 526         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 527 # ifndef OPENSSL_NO_JPAKE
 528         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 529 # endif
 530 #endif
 531 #ifndef OPENSSL_NO_SRP
 532         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 533         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 534 #endif
 535         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 536         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 537         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 538         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 539         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 540         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 541         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 542         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 543         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 544         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 545         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 546         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 547         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 548         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 549 #ifndef OPENSSL_NO_DH
 550         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 551 #endif
 552 #ifndef OPENSSL_NO_ECDH
 553         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 554 #endif
 555         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 556         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 557         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 558         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 559         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 560         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 561 #ifndef OPENSSL_NO_ENGINE
 562         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 563 #endif
 564         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 565         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 566 #ifndef OPENSSL_NO_TLSEXT
 567         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 568         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 569         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 570         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 571         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 572         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 573         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 574         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 575         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 576 # ifndef OPENSSL_NO_NEXTPROTONEG
 577         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 578 # endif
 579         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 580 #endif
 581         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 582         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 583         }
 584
 585 static int local_argc=0;
 586 static char **local_argv;
 587
 588 #ifdef CHARSET_EBCDIC
 589 static int ebcdic_new(BIO *bi);
 590 static int ebcdic_free(BIO *a);
 591 static int ebcdic_read(BIO *b, char *out, int outl);
 592 static int ebcdic_write(BIO *b, const char *in, int inl);
 593 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 594 static int ebcdic_gets(BIO *bp, char *buf, int size);
 595 static int ebcdic_puts(BIO *bp, const char *str);
 596
 597 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 598 static BIO_METHOD methods_ebcdic=
 599         {
 600         BIO_TYPE_EBCDIC_FILTER,
 601         "EBCDIC/ASCII filter",
 602         ebcdic_write,
 603         ebcdic_read,
 604         ebcdic_puts,
 605         ebcdic_gets,
 606         ebcdic_ctrl,
 607         ebcdic_new,
 608         ebcdic_free,
 609         };
 610
 611 typedef struct
 612 {
 613         size_t  alloced;
 614         char    buff[1];
 615 } EBCDIC_OUTBUFF;
 616
 617 BIO_METHOD *BIO_f_ebcdic_filter()
 618 {
 619         return(&methods_ebcdic);
 620 }
 621
 622 static int ebcdic_new(BIO *bi)
 623 {
 624         EBCDIC_OUTBUFF *wbuf;
 625
 626         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 627         wbuf->alloced = 1024;
 628         wbuf->buff[0] = '\0';
 629
 630         bi->ptr=(char *)wbuf;
 631         bi->init=1;
 632         bi->flags=0;
 633         return(1);
 634 }
 635
 636 static int ebcdic_free(BIO *a)
 637 {
 638         if (a == NULL) return(0);
 639         if (a->ptr != NULL)
 640                 OPENSSL_free(a->ptr);
 641         a->ptr=NULL;
 642         a->init=0;
 643         a->flags=0;
 644         return(1);
 645 }
 646
 647 static int ebcdic_read(BIO *b, char *out, int outl)
 648 {
 649         int ret=0;
 650
 651         if (out == NULL || outl == 0) return(0);
 652         if (b->next_bio == NULL) return(0);
 653
 654         ret=BIO_read(b->next_bio,out,outl);
 655         if (ret > 0)
 656                 ascii2ebcdic(out,out,ret);
 657         return(ret);
 658 }
 659
 660 static int ebcdic_write(BIO *b, const char *in, int inl)
 661 {
 662         EBCDIC_OUTBUFF *wbuf;
 663         int ret=0;
 664         int num;
 665         unsigned char n;
 666
 667         if ((in == NULL) || (inl <= 0)) return(0);
 668         if (b->next_bio == NULL) return(0);
 669
 670         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 671
 672         if (inl > (num = wbuf->alloced))
 673         {
 674                 num = num + num;  /* double the size */
 675                 if (num < inl)
 676                         num = inl;
 677                 OPENSSL_free(wbuf);
 678                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 679
 680                 wbuf->alloced = num;
 681                 wbuf->buff[0] = '\0';
 682
 683                 b->ptr=(char *)wbuf;
 684         }
 685
 686         ebcdic2ascii(wbuf->buff, in, inl);
 687
 688         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 689
 690         return(ret);
 691 }
 692
 693 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 694 {
 695         long ret;
 696
 697         if (b->next_bio == NULL) return(0);
 698         switch (cmd)
 699         {
 700         case BIO_CTRL_DUP:
 701                 ret=0L;
 702                 break;
 703         default:
 704                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 705                 break;
 706         }
 707         return(ret);
 708 }
 709
 710 static int ebcdic_gets(BIO *bp, char *buf, int size)
 711 {
 712         int i, ret=0;
 713         if (bp->next_bio == NULL) return(0);
 714 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 715         for (i=0; i<size-1; ++i)
 716         {
 717                 ret = ebcdic_read(bp,&buf[i],1);
 718                 if (ret <= 0)
 719                         break;
 720                 else if (buf[i] == '\n')
 721                 {
 722                         ++i;
 723                         break;
 724                 }
 725         }
 726         if (i < size)
 727                 buf[i] = '\0';
 728         return (ret < 0 && i == 0) ? ret : i;
 729 }
 730
 731 static int ebcdic_puts(BIO *bp, const char *str)
 732 {
 733         if (bp->next_bio == NULL) return(0);
 734         return ebcdic_write(bp, str, strlen(str));
 735 }
 736 #endif
 737
 738 #ifndef OPENSSL_NO_TLSEXT
 739
 740 /* This is a context that we pass to callbacks */
 741 typedef struct tlsextctx_st {
 742    char * servername;
 743    BIO * biodebug;
 744    int extension_error;
 745 } tlsextctx;
 746
 747
 748 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 749         {
 750         tlsextctx * p = (tlsextctx *) arg;
 751         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 752         if (servername && p->biodebug)
 753                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 754
 755         if (!p->servername)
 756                 return SSL_TLSEXT_ERR_NOACK;
 757
 758         if (servername)
 759                 {
 760                 if (strcmp(servername,p->servername))
 761                         return p->extension_error;
 762                 if (ctx2)
 763                         {
 764                         BIO_printf(p->biodebug,"Switching server context.\n");
 765                         SSL_set_SSL_CTX(s,ctx2);
 766                         }
 767                 }
 768         return SSL_TLSEXT_ERR_OK;
 769 }
 770
 771 /* Structure passed to cert status callback */
 772
 773 typedef struct tlsextstatusctx_st {
 774    /* Default responder to use */
 775    char *host, *path, *port;
 776    int use_ssl;
 777    int timeout;
 778    BIO *err;
 779    int verbose;
 780 } tlsextstatusctx;
 781
 782 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 783
 784 /* Certificate Status callback. This is called when a client includes a
 785  * certificate status request extension.
 786  *
 787  * This is a simplified version. It examines certificates each time and
 788  * makes one OCSP responder query for each request.
 789  *
 790  * A full version would store details such as the OCSP certificate IDs and
 791  * minimise the number of OCSP responses by caching them until they were
 792  * considered "expired".
 793  */
 794
 795 static int cert_status_cb(SSL *s, void *arg)
 796         {
 797         tlsextstatusctx *srctx = arg;
 798         BIO *err = srctx->err;
 799         char *host, *port, *path;
 800         int use_ssl;
 801         unsigned char *rspder = NULL;
 802         int rspderlen;
 803         STACK_OF(OPENSSL_STRING) *aia = NULL;
 804         X509 *x = NULL;
 805         X509_STORE_CTX inctx;
 806         X509_OBJECT obj;
 807         OCSP_REQUEST *req = NULL;
 808         OCSP_RESPONSE *resp = NULL;
 809         OCSP_CERTID *id = NULL;
 810         STACK_OF(X509_EXTENSION) *exts;
 811         int ret = SSL_TLSEXT_ERR_NOACK;
 812         int i;
 813 #if 0
 814 STACK_OF(OCSP_RESPID) *ids;
 815 SSL_get_tlsext_status_ids(s, &ids);
 816 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 817 #endif
 818         if (srctx->verbose)
 819                 BIO_puts(err, "cert_status: callback called\n");
 820         /* Build up OCSP query from server certificate */
 821         x = SSL_get_certificate(s);
 822         aia = X509_get1_ocsp(x);
 823         if (aia)
 824                 {
 825                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 826                         &host, &port, &path, &use_ssl))
 827                         {
 828                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 829                         goto err;
 830                         }
 831                 if (srctx->verbose)
 832                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 833                                         sk_OPENSSL_STRING_value(aia, 0));
 834                 }
 835         else
 836                 {
 837                 if (!srctx->host)
 838                         {
 839                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 840                         goto done;
 841                         }
 842                 host = srctx->host;
 843                 path = srctx->path;
 844                 port = srctx->port;
 845                 use_ssl = srctx->use_ssl;
 846                 }
 847
 848         if (!X509_STORE_CTX_init(&inctx,
 849                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 850                                 NULL, NULL))
 851                 goto err;
 852         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 853                                 X509_get_issuer_name(x),&obj) <= 0)
 854                 {
 855                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 856                 X509_STORE_CTX_cleanup(&inctx);
 857                 goto done;
 858                 }
 859         req = OCSP_REQUEST_new();
 860         if (!req)
 861                 goto err;
 862         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 863         X509_free(obj.data.x509);
 864         X509_STORE_CTX_cleanup(&inctx);
 865         if (!id)
 866                 goto err;
 867         if (!OCSP_request_add0_id(req, id))
 868                 goto err;
 869         id = NULL;
 870         /* Add any extensions to the request */
 871         SSL_get_tlsext_status_exts(s, &exts);
 872         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 873                 {
 874                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 875                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 876                         goto err;
 877                 }
 878         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 879                                         srctx->timeout);
 880         if (!resp)
 881                 {
 882                 BIO_puts(err, "cert_status: error querying responder\n");
 883                 goto done;
 884                 }
 885         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 886         if (rspderlen <= 0)
 887                 goto err;
 888         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 889         if (srctx->verbose)
 890                 {
 891                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 892                 OCSP_RESPONSE_print(err, resp, 2);
 893                 }
 894         ret = SSL_TLSEXT_ERR_OK;
 895         done:
 896         if (ret != SSL_TLSEXT_ERR_OK)
 897                 ERR_print_errors(err);
 898         if (aia)
 899                 {
 900                 OPENSSL_free(host);
 901                 OPENSSL_free(path);
 902                 OPENSSL_free(port);
 903                 X509_email_free(aia);
 904                 }
 905         if (id)
 906                 OCSP_CERTID_free(id);
 907         if (req)
 908                 OCSP_REQUEST_free(req);
 909         if (resp)
 910                 OCSP_RESPONSE_free(resp);
 911         return ret;
 912         err:
 913         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 914         goto done;
 915         }
 916
 917 # ifndef OPENSSL_NO_NEXTPROTONEG
 918 /* This is the context that we pass to next_proto_cb */
 919 typedef struct tlsextnextprotoctx_st {
 920         unsigned char *data;
 921         unsigned int len;
 922 } tlsextnextprotoctx;
 923
 924 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 925         {
 926         tlsextnextprotoctx *next_proto = arg;
 927
 928         *data = next_proto->data;
 929         *len = next_proto->len;
 930
 931         return SSL_TLSEXT_ERR_OK;
 932         }
 933 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 934 #endif
 935
 936 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 937         {
 938         /* disable resumption for sessions with forward secure ciphers */
 939         return is_forward_secure;
 940         }
 941
 942 int MAIN(int, char **);
 943
 944 #ifndef OPENSSL_NO_JPAKE
 945 static char *jpake_secret = NULL;
 946 #endif
 947 #ifndef OPENSSL_NO_SRP
 948         static srpsrvparm srp_callback_parm;
 949 #endif
 950 static char *srtp_profiles = NULL;
 951
 952 int MAIN(int argc, char *argv[])
 953         {
 954         X509_VERIFY_PARAM *vpm = NULL;
 955         int badarg = 0;
 956         short port=PORT;
 957         char *CApath=NULL,*CAfile=NULL;
 958         char *chCApath=NULL,*chCAfile=NULL;
 959         char *vfyCApath=NULL,*vfyCAfile=NULL;
 960         unsigned char *context = NULL;
 961         char *dhfile = NULL;
 962 #ifndef OPENSSL_NO_ECDH
 963         char *named_curve = NULL;
 964 #endif
 965         int badop=0,bugs=0;
 966         int ret=1;
 967         int off=0;
 968         unsigned int cert_flags = 0;
 969         int build_chain = 0;
 970         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 971         int state=0;
 972         const SSL_METHOD *meth=NULL;
 973         int socket_type=SOCK_STREAM;
 974         ENGINE *e=NULL;
 975         char *inrand=NULL;
 976         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 977         char *passarg = NULL, *pass = NULL;
 978         char *dpassarg = NULL, *dpass = NULL;
 979         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 980         X509 *s_cert = NULL, *s_dcert = NULL;
 981         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 982         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 983         int no_cache = 0, ext_cache = 0;
 984 #ifndef OPENSSL_NO_TLSEXT
 985         EVP_PKEY *s_key2 = NULL;
 986         X509 *s_cert2 = NULL;
 987         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 988 # ifndef OPENSSL_NO_NEXTPROTONEG
 989         const char *next_proto_neg_in = NULL;
 990         tlsextnextprotoctx next_proto;
 991 # endif
 992 #endif
 993 #ifndef OPENSSL_NO_PSK
 994         /* by default do not send a PSK identity hint */
 995         static char *psk_identity_hint=NULL;
 996 #endif
 997 #ifndef OPENSSL_NO_SRP
 998         char *srpuserseed = NULL;
 999         char *srp_verifier_file = NULL;
1000 #endif
1001         SSL_EXCERT *exc = NULL;
1002         meth=SSLv23_server_method();
1003
1004         local_argc=argc;
1005         local_argv=argv;
1006
1007         apps_startup();
1008 #ifdef MONOLITH
1009         s_server_init();
1010 #endif
1011
1012         if (bio_err == NULL)
1013                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1014
1015         if (!load_config(bio_err, NULL))
1016                 goto end;
1017
1018         verify_depth=0;
1019 #ifdef FIONBIO
1020         s_nbio=0;
1021 #endif
1022         s_nbio_test=0;
1023
1024         argc--;
1025         argv++;
1026
1027         while (argc >= 1)
1028                 {
1029                 if      ((strcmp(*argv,"-port") == 0) ||
1030                          (strcmp(*argv,"-accept") == 0))
1031                         {
1032                         if (--argc < 1) goto bad;
1033                         if (!extract_port(*(++argv),&port))
1034                                 goto bad;
1035                         }
1036                 else if (strcmp(*argv,"-verify") == 0)
1037                         {
1038                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1039                         if (--argc < 1) goto bad;
1040                         verify_depth=atoi(*(++argv));
1041                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1042                         }
1043                 else if (strcmp(*argv,"-Verify") == 0)
1044                         {
1045                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1046                                 SSL_VERIFY_CLIENT_ONCE;
1047                         if (--argc < 1) goto bad;
1048                         verify_depth=atoi(*(++argv));
1049                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1050                         }
1051                 else if (strcmp(*argv,"-context") == 0)
1052                         {
1053                         if (--argc < 1) goto bad;
1054                         context= (unsigned char *)*(++argv);
1055                         }
1056                 else if (strcmp(*argv,"-cert") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         s_cert_file= *(++argv);
1060                         }
1061 #ifndef OPENSSL_NO_TLSEXT
1062                 else if (strcmp(*argv,"-authz") == 0)
1063                         {
1064                         if (--argc < 1) goto bad;
1065                         s_authz_file = *(++argv);
1066                         }
1067 #endif
1068                 else if (strcmp(*argv,"-certform") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         s_cert_format = str2fmt(*(++argv));
1072                         }
1073                 else if (strcmp(*argv,"-key") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_key_file= *(++argv);
1077                         }
1078                 else if (strcmp(*argv,"-keyform") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_key_format = str2fmt(*(++argv));
1082                         }
1083                 else if (strcmp(*argv,"-pass") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         passarg = *(++argv);
1087                         }
1088                 else if (strcmp(*argv,"-cert_chain") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         s_chain_file= *(++argv);
1092                         }
1093                 else if (strcmp(*argv,"-dhparam") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         dhfile = *(++argv);
1097                         }
1098 #ifndef OPENSSL_NO_ECDH
1099                 else if (strcmp(*argv,"-named_curve") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         named_curve = *(++argv);
1103                         }
1104 #endif
1105                 else if (strcmp(*argv,"-dcertform") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dcert_format = str2fmt(*(++argv));
1109                         }
1110                 else if (strcmp(*argv,"-dcert") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         s_dcert_file= *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-dkeyform") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         s_dkey_format = str2fmt(*(++argv));
1119                         }
1120                 else if (strcmp(*argv,"-dpass") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         dpassarg = *(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-dkey") == 0)
1126                         {
1127                         if (--argc < 1) goto bad;
1128                         s_dkey_file= *(++argv);
1129                         }
1130                 else if (strcmp(*argv,"-dcert_chain") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         s_dchain_file= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-nocert") == 0)
1136                         {
1137                         nocert=1;
1138                         }
1139                 else if (strcmp(*argv,"-CApath") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         CApath= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-chainCApath") == 0)
1145                         {
1146                         if (--argc < 1) goto bad;
1147                         chCApath= *(++argv);
1148                         }
1149                 else if (strcmp(*argv,"-verifyCApath") == 0)
1150                         {
1151                         if (--argc < 1) goto bad;
1152                         vfyCApath= *(++argv);
1153                         }
1154                 else if (strcmp(*argv,"-no_cache") == 0)
1155                         no_cache = 1;
1156                 else if (strcmp(*argv,"-ext_cache") == 0)
1157                         ext_cache = 1;
1158                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1159                         {
1160                         if (badarg)
1161                                 goto bad;
1162                         continue;
1163                         }
1164                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1165                         {
1166                         if (badarg)
1167                                 goto bad;
1168                         continue;
1169                         }
1170                 else if (strcmp(*argv,"-verify_return_error") == 0)
1171                         verify_return_error = 1;
1172                 else if (strcmp(*argv,"-serverpref") == 0)
1173                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1174                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1175                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1176                 else if (strcmp(*argv,"-cipher") == 0)
1177                         {
1178                         if (--argc < 1) goto bad;
1179                         cipher= *(++argv);
1180                         }
1181                 else if (strcmp(*argv,"-build_chain") == 0)
1182                         build_chain = 1;
1183                 else if (strcmp(*argv,"-CAfile") == 0)
1184                         {
1185                         if (--argc < 1) goto bad;
1186                         CAfile= *(++argv);
1187                         }
1188                 else if (strcmp(*argv,"-chainCAfile") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         chCAfile= *(++argv);
1192                         }
1193                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1194                         {
1195                         if (--argc < 1) goto bad;
1196                         vfyCAfile= *(++argv);
1197                         }
1198 #ifdef FIONBIO
1199                 else if (strcmp(*argv,"-nbio") == 0)
1200                         { s_nbio=1; }
1201 #endif
1202                 else if (strcmp(*argv,"-nbio_test") == 0)
1203                         {
1204 #ifdef FIONBIO
1205                         s_nbio=1;
1206 #endif
1207                         s_nbio_test=1;
1208                         }
1209                 else if (strcmp(*argv,"-debug") == 0)
1210                         { s_debug=1; }
1211 #ifndef OPENSSL_NO_TLSEXT
1212                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1213                         s_tlsextdebug=1;
1214                 else if (strcmp(*argv,"-status") == 0)
1215                         s_tlsextstatus=1;
1216                 else if (strcmp(*argv,"-status_verbose") == 0)
1217                         {
1218                         s_tlsextstatus=1;
1219                         tlscstatp.verbose = 1;
1220                         }
1221                 else if (!strcmp(*argv, "-status_timeout"))
1222                         {
1223                         s_tlsextstatus=1;
1224                         if (--argc < 1) goto bad;
1225                         tlscstatp.timeout = atoi(*(++argv));
1226                         }
1227                 else if (!strcmp(*argv, "-status_url"))
1228                         {
1229                         s_tlsextstatus=1;
1230                         if (--argc < 1) goto bad;
1231                         if (!OCSP_parse_url(*(++argv),
1232                                         &tlscstatp.host,
1233                                         &tlscstatp.port,
1234                                         &tlscstatp.path,
1235                                         &tlscstatp.use_ssl))
1236                                 {
1237                                 BIO_printf(bio_err, "Error parsing URL\n");
1238                                 goto bad;
1239                                 }
1240                         }
1241                 else if (strcmp(*argv,"-curves") == 0)
1242                         {
1243                         if (--argc < 1) goto bad;
1244                         curves= *(++argv);
1245                         }
1246                 else if (strcmp(*argv,"-sigalgs") == 0)
1247                         {
1248                         if (--argc < 1) goto bad;
1249                         sigalgs= *(++argv);
1250                         }
1251                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1252                         {
1253                         if (--argc < 1) goto bad;
1254                         client_sigalgs= *(++argv);
1255                         }
1256 #endif
1257                 else if (strcmp(*argv,"-msg") == 0)
1258                         { s_msg=1; }
1259                 else if (strcmp(*argv,"-msgfile") == 0)
1260                         {
1261                         if (--argc < 1) goto bad;
1262                         bio_s_msg = BIO_new_file(*(++argv), "w");
1263                         }
1264 #ifndef OPENSSL_NO_SSL_TRACE
1265                 else if (strcmp(*argv,"-trace") == 0)
1266                         { s_msg=2; }
1267 #endif
1268                 else if (strcmp(*argv,"-hack") == 0)
1269                         { hack=1; }
1270                 else if (strcmp(*argv,"-state") == 0)
1271                         { state=1; }
1272                 else if (strcmp(*argv,"-crlf") == 0)
1273                         { s_crlf=1; }
1274                 else if (strcmp(*argv,"-quiet") == 0)
1275                         { s_quiet=1; }
1276                 else if (strcmp(*argv,"-bugs") == 0)
1277                         { bugs=1; }
1278                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1279                         { no_tmp_rsa=1; }
1280                 else if (strcmp(*argv,"-no_dhe") == 0)
1281                         { no_dhe=1; }
1282                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1283                         { no_ecdhe=1; }
1284                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1285                         { no_resume_ephemeral = 1; }
1286 #ifndef OPENSSL_NO_PSK
1287                 else if (strcmp(*argv,"-psk_hint") == 0)
1288                         {
1289                         if (--argc < 1) goto bad;
1290                         psk_identity_hint= *(++argv);
1291                         }
1292                 else if (strcmp(*argv,"-psk") == 0)
1293                         {
1294                         size_t i;
1295
1296                         if (--argc < 1) goto bad;
1297                         psk_key=*(++argv);
1298                         for (i=0; i<strlen(psk_key); i++)
1299                                 {
1300                                 if (isxdigit((unsigned char)psk_key[i]))
1301                                         continue;
1302                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1303                                 goto bad;
1304                                 }
1305                         }
1306 #endif
1307 #ifndef OPENSSL_NO_SRP
1308                 else if (strcmp(*argv, "-srpvfile") == 0)
1309                         {
1310                         if (--argc < 1) goto bad;
1311                         srp_verifier_file = *(++argv);
1312                         meth = TLSv1_server_method();
1313                         }
1314                 else if (strcmp(*argv, "-srpuserseed") == 0)
1315                         {
1316                         if (--argc < 1) goto bad;
1317                         srpuserseed = *(++argv);
1318                         meth = TLSv1_server_method();
1319                         }
1320 #endif
1321                 else if (strcmp(*argv,"-www") == 0)
1322                         { www=1; }
1323                 else if (strcmp(*argv,"-WWW") == 0)
1324                         { www=2; }
1325                 else if (strcmp(*argv,"-HTTP") == 0)
1326                         { www=3; }
1327                 else if (strcmp(*argv,"-no_ssl2") == 0)
1328                         { off|=SSL_OP_NO_SSLv2; }
1329                 else if (strcmp(*argv,"-no_ssl3") == 0)
1330                         { off|=SSL_OP_NO_SSLv3; }
1331                 else if (strcmp(*argv,"-no_tls1") == 0)
1332                         { off|=SSL_OP_NO_TLSv1; }
1333                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1334                         { off|=SSL_OP_NO_TLSv1_1; }
1335                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1336                         { off|=SSL_OP_NO_TLSv1_2; }
1337                 else if (strcmp(*argv,"-no_comp") == 0)
1338                         { off|=SSL_OP_NO_COMPRESSION; }
1339 #ifndef OPENSSL_NO_TLSEXT
1340                 else if (strcmp(*argv,"-no_ticket") == 0)
1341                         { off|=SSL_OP_NO_TICKET; }
1342 #endif
1343 #ifndef OPENSSL_NO_SSL2
1344                 else if (strcmp(*argv,"-ssl2") == 0)
1345                         { meth=SSLv2_server_method(); }
1346 #endif
1347 #ifndef OPENSSL_NO_SSL3
1348                 else if (strcmp(*argv,"-ssl3") == 0)
1349                         { meth=SSLv3_server_method(); }
1350 #endif
1351 #ifndef OPENSSL_NO_TLS1
1352                 else if (strcmp(*argv,"-tls1") == 0)
1353                         { meth=TLSv1_server_method(); }
1354                 else if (strcmp(*argv,"-tls1_1") == 0)
1355                         { meth=TLSv1_1_server_method(); }
1356                 else if (strcmp(*argv,"-tls1_2") == 0)
1357                         { meth=TLSv1_2_server_method(); }
1358 #endif
1359 #ifndef OPENSSL_NO_DTLS1
1360                 else if (strcmp(*argv,"-dtls1") == 0)
1361                         {
1362                         meth=DTLSv1_server_method();
1363                         socket_type = SOCK_DGRAM;
1364                         }
1365                 else if (strcmp(*argv,"-timeout") == 0)
1366                         enable_timeouts = 1;
1367                 else if (strcmp(*argv,"-mtu") == 0)
1368                         {
1369                         if (--argc < 1) goto bad;
1370                         socket_mtu = atol(*(++argv));
1371                         }
1372                 else if (strcmp(*argv, "-chain") == 0)
1373                         cert_chain = 1;
1374 #endif
1375                 else if (strcmp(*argv, "-id_prefix") == 0)
1376                         {
1377                         if (--argc < 1) goto bad;
1378                         session_id_prefix = *(++argv);
1379                         }
1380 #ifndef OPENSSL_NO_ENGINE
1381                 else if (strcmp(*argv,"-engine") == 0)
1382                         {
1383                         if (--argc < 1) goto bad;
1384                         engine_id= *(++argv);
1385                         }
1386 #endif
1387                 else if (strcmp(*argv,"-rand") == 0)
1388                         {
1389                         if (--argc < 1) goto bad;
1390                         inrand= *(++argv);
1391                         }
1392 #ifndef OPENSSL_NO_TLSEXT
1393                 else if (strcmp(*argv,"-servername") == 0)
1394                         {
1395                         if (--argc < 1) goto bad;
1396                         tlsextcbp.servername= *(++argv);
1397                         }
1398                 else if (strcmp(*argv,"-servername_fatal") == 0)
1399                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1400                 else if (strcmp(*argv,"-cert2") == 0)
1401                         {
1402                         if (--argc < 1) goto bad;
1403                         s_cert_file2= *(++argv);
1404                         }
1405                 else if (strcmp(*argv,"-key2") == 0)
1406                         {
1407                         if (--argc < 1) goto bad;
1408                         s_key_file2= *(++argv);
1409                         }
1410 # ifndef OPENSSL_NO_NEXTPROTONEG
1411                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1412                         {
1413                         if (--argc < 1) goto bad;
1414                         next_proto_neg_in = *(++argv);
1415                         }
1416 # endif
1417 #endif
1418 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1419                 else if (strcmp(*argv,"-jpake") == 0)
1420                         {
1421                         if (--argc < 1) goto bad;
1422                         jpake_secret = *(++argv);
1423                         }
1424 #endif
1425                 else if (strcmp(*argv,"-use_srtp") == 0)
1426                         {
1427                         if (--argc < 1) goto bad;
1428                         srtp_profiles = *(++argv);
1429                         }
1430                 else if (strcmp(*argv,"-keymatexport") == 0)
1431                         {
1432                         if (--argc < 1) goto bad;
1433                         keymatexportlabel= *(++argv);
1434                         }
1435                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1436                         {
1437                         if (--argc < 1) goto bad;
1438                         keymatexportlen=atoi(*(++argv));
1439                         if (keymatexportlen == 0) goto bad;
1440                         }
1441                 else if (strcmp(*argv, "-cert_strict") == 0)
1442                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1443                 else
1444                         {
1445                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1446                         badop=1;
1447                         break;
1448                         }
1449                 argc--;
1450                 argv++;
1451                 }
1452         if (badop)
1453                 {
1454 bad:
1455                 sv_usage();
1456                 goto end;
1457                 }
1458
1459 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1460         if (jpake_secret)
1461                 {
1462                 if (psk_key)
1463                         {
1464                         BIO_printf(bio_err,
1465                                    "Can't use JPAKE and PSK together\n");
1466                         goto end;
1467                         }
1468                 psk_identity = "JPAKE";
1469                 if (cipher)
1470                         {
1471                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1472                         goto end;
1473                         }
1474                 cipher = "PSK";
1475                 }
1476
1477 #endif
1478
1479         SSL_load_error_strings();
1480         OpenSSL_add_ssl_algorithms();
1481
1482 #ifndef OPENSSL_NO_ENGINE
1483         e = setup_engine(bio_err, engine_id, 1);
1484 #endif
1485
1486         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1487                 {
1488                 BIO_printf(bio_err, "Error getting password\n");
1489                 goto end;
1490                 }
1491
1492
1493         if (s_key_file == NULL)
1494                 s_key_file = s_cert_file;
1495 #ifndef OPENSSL_NO_TLSEXT
1496         if (s_key_file2 == NULL)
1497                 s_key_file2 = s_cert_file2;
1498 #endif
1499
1500         if (!load_excert(&exc, bio_err))
1501                 goto end;
1502
1503         if (nocert == 0)
1504                 {
1505                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1506                        "server certificate private key file");
1507                 if (!s_key)
1508                         {
1509                         ERR_print_errors(bio_err);
1510                         goto end;
1511                         }
1512
1513                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1514                         NULL, e, "server certificate file");
1515
1516                 if (!s_cert)
1517                         {
1518                         ERR_print_errors(bio_err);
1519                         goto end;
1520                         }
1521                 if (s_chain_file)
1522                         {
1523                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1524                                         NULL, e, "server certificate chain");
1525                         if (!s_chain)
1526                                 goto end;
1527                         }
1528
1529 #ifndef OPENSSL_NO_TLSEXT
1530                 if (tlsextcbp.servername)
1531                         {
1532                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1533                                 "second server certificate private key file");
1534                         if (!s_key2)
1535                                 {
1536                                 ERR_print_errors(bio_err);
1537                                 goto end;
1538                                 }
1539
1540                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1541                                 NULL, e, "second server certificate file");
1542
1543                         if (!s_cert2)
1544                                 {
1545                                 ERR_print_errors(bio_err);
1546                                 goto end;
1547                                 }
1548                         }
1549 #endif /* OPENSSL_NO_TLSEXT */
1550                 }
1551
1552 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1553         if (next_proto_neg_in)
1554                 {
1555                 unsigned short len;
1556                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1557                 if (next_proto.data == NULL)
1558                         goto end;
1559                 next_proto.len = len;
1560                 }
1561         else
1562                 {
1563                 next_proto.data = NULL;
1564                 }
1565 #endif
1566
1567
1568         if (s_dcert_file)
1569                 {
1570
1571                 if (s_dkey_file == NULL)
1572                         s_dkey_file = s_dcert_file;
1573
1574                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1575                                 0, dpass, e,
1576                                "second certificate private key file");
1577                 if (!s_dkey)
1578                         {
1579                         ERR_print_errors(bio_err);
1580                         goto end;
1581                         }
1582
1583                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1584                                 NULL, e, "second server certificate file");
1585
1586                 if (!s_dcert)
1587                         {
1588                         ERR_print_errors(bio_err);
1589                         goto end;
1590                         }
1591                 if (s_dchain_file)
1592                         {
1593                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1594                                 NULL, e, "second server certificate chain");
1595                         if (!s_dchain)
1596                                 goto end;
1597                         }
1598
1599                 }
1600
1601         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1602                 && !RAND_status())
1603                 {
1604                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1605                 }
1606         if (inrand != NULL)
1607                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1608                         app_RAND_load_files(inrand));
1609
1610         if (bio_s_out == NULL)
1611                 {
1612                 if (s_quiet && !s_debug && !s_msg)
1613                         {
1614                         bio_s_out=BIO_new(BIO_s_null());
1615                         }
1616                 else
1617                         {
1618                         if (bio_s_out == NULL)
1619                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1620                         }
1621                 }
1622
1623 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1624         if (nocert)
1625 #endif
1626                 {
1627                 s_cert_file=NULL;
1628                 s_key_file=NULL;
1629                 s_dcert_file=NULL;
1630                 s_dkey_file=NULL;
1631 #ifndef OPENSSL_NO_TLSEXT
1632                 s_cert_file2=NULL;
1633                 s_key_file2=NULL;
1634 #endif
1635                 }
1636
1637         ctx=SSL_CTX_new(meth);
1638         if (ctx == NULL)
1639                 {
1640                 ERR_print_errors(bio_err);
1641                 goto end;
1642                 }
1643         if (session_id_prefix)
1644                 {
1645                 if(strlen(session_id_prefix) >= 32)
1646                         BIO_printf(bio_err,
1647 "warning: id_prefix is too long, only one new session will be possible\n");
1648                 else if(strlen(session_id_prefix) >= 16)
1649                         BIO_printf(bio_err,
1650 "warning: id_prefix is too long if you use SSLv2\n");
1651                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1652                         {
1653                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1654                         ERR_print_errors(bio_err);
1655                         goto end;
1656                         }
1657                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1658                 }
1659         SSL_CTX_set_quiet_shutdown(ctx,1);
1660         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1661         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1662         SSL_CTX_set_options(ctx,off);
1663         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1664         if (exc) ssl_ctx_set_excert(ctx, exc);
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(ctx, 1);
1669
1670         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1671         if (no_cache)
1672                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1673         else if (ext_cache)
1674                 init_session_cache_ctx(ctx);
1675         else
1676                 SSL_CTX_sess_set_cache_size(ctx,128);
1677
1678         if (srtp_profiles != NULL)
1679                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1680
1681 #if 0
1682         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1683 #endif
1684
1685 #if 0
1686         if (s_cert_file == NULL)
1687                 {
1688                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1689                 goto end;
1690                 }
1691 #endif
1692
1693         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1694                 (!SSL_CTX_set_default_verify_paths(ctx)))
1695                 {
1696                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1697                 ERR_print_errors(bio_err);
1698                 /* goto end; */
1699                 }
1700         if (vpm)
1701                 SSL_CTX_set1_param(ctx, vpm);
1702
1703         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1704                 {
1705                 BIO_printf(bio_err, "Error loading store locations\n");
1706                 ERR_print_errors(bio_err);
1707                 goto end;
1708                 }
1709
1710 #ifndef OPENSSL_NO_TLSEXT
1711         if (s_cert2)
1712                 {
1713                 ctx2=SSL_CTX_new(meth);
1714                 if (ctx2 == NULL)
1715                         {
1716                         ERR_print_errors(bio_err);
1717                         goto end;
1718                         }
1719                 }
1720
1721         if (ctx2)
1722                 {
1723                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1724
1725                 if (session_id_prefix)
1726                         {
1727                         if(strlen(session_id_prefix) >= 32)
1728                                 BIO_printf(bio_err,
1729                                         "warning: id_prefix is too long, only one new session will be possible\n");
1730                         else if(strlen(session_id_prefix) >= 16)
1731                                 BIO_printf(bio_err,
1732                                         "warning: id_prefix is too long if you use SSLv2\n");
1733                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1734                                 {
1735                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1736                                 ERR_print_errors(bio_err);
1737                                 goto end;
1738                                 }
1739                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1740                         }
1741                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1742                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1743                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1744                 SSL_CTX_set_options(ctx2,off);
1745                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1746                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1747                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1748                  * Setting read ahead solves this problem.
1749                  */
1750                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1751
1752                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1753
1754                 if (no_cache)
1755                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1756                 else if (ext_cache)
1757                         init_session_cache_ctx(ctx2);
1758                 else
1759                         SSL_CTX_sess_set_cache_size(ctx2,128);
1760
1761                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1762                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1763                         {
1764                         ERR_print_errors(bio_err);
1765                         }
1766                 if (vpm)
1767                         SSL_CTX_set1_param(ctx2, vpm);
1768                 }
1769
1770 # ifndef OPENSSL_NO_NEXTPROTONEG
1771         if (next_proto.data)
1772                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1773 # endif
1774 #endif
1775
1776 #ifndef OPENSSL_NO_DH
1777         if (!no_dhe)
1778                 {
1779                 DH *dh=NULL;
1780
1781                 if (dhfile)
1782                         dh = load_dh_param(dhfile);
1783                 else if (s_cert_file)
1784                         dh = load_dh_param(s_cert_file);
1785
1786                 if (dh != NULL)
1787                         {
1788                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1789                         }
1790                 else
1791                         {
1792                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1793                         dh=get_dh512();
1794                         }
1795                 (void)BIO_flush(bio_s_out);
1796
1797                 SSL_CTX_set_tmp_dh(ctx,dh);
1798 #ifndef OPENSSL_NO_TLSEXT
1799                 if (ctx2)
1800                         {
1801                         if (!dhfile)
1802                                 {
1803                                 DH *dh2=load_dh_param(s_cert_file2);
1804                                 if (dh2 != NULL)
1805                                         {
1806                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1807                                         (void)BIO_flush(bio_s_out);
1808
1809                                         DH_free(dh);
1810                                         dh = dh2;
1811                                         }
1812                                 }
1813                         SSL_CTX_set_tmp_dh(ctx2,dh);
1814                         }
1815 #endif
1816                 DH_free(dh);
1817                 }
1818 #endif
1819
1820 #ifndef OPENSSL_NO_ECDH
1821         if (!no_ecdhe)
1822                 {
1823                 EC_KEY *ecdh=NULL;
1824
1825                 if (named_curve && strcmp(named_curve, "auto"))
1826                         {
1827                         int nid = EC_curve_nist2nid(named_curve);
1828                         if (nid == NID_undef)
1829                                 nid = OBJ_sn2nid(named_curve);
1830                         if (nid == 0)
1831                                 {
1832                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1833                                         named_curve);
1834                                 goto end;
1835                                 }
1836                         ecdh = EC_KEY_new_by_curve_name(nid);
1837                         if (ecdh == NULL)
1838                                 {
1839                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1840                                         named_curve);
1841                                 goto end;
1842                                 }
1843                         }
1844
1845                 if (ecdh != NULL)
1846                         {
1847                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1848                         }
1849                 else if (named_curve)
1850                         SSL_CTX_set_ecdh_auto(ctx, 1);
1851                 else
1852                         {
1853                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1854                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1855                         if (ecdh == NULL)
1856                                 {
1857                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1858                                 goto end;
1859                                 }
1860                         }
1861                 (void)BIO_flush(bio_s_out);
1862
1863                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1864 #ifndef OPENSSL_NO_TLSEXT
1865                 if (ctx2)
1866                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1867 #endif
1868                 EC_KEY_free(ecdh);
1869                 }
1870 #endif
1871
1872         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1873                 goto end;
1874 #ifndef OPENSSL_NO_TLSEXT
1875         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1876                 goto end;
1877 #endif
1878 #ifndef OPENSSL_NO_TLSEXT
1879         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1880                 goto end;
1881 #endif
1882         if (s_dcert != NULL)
1883                 {
1884                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1885                         goto end;
1886                 }
1887
1888 #ifndef OPENSSL_NO_RSA
1889 #if 1
1890         if (!no_tmp_rsa)
1891                 {
1892                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1893 #ifndef OPENSSL_NO_TLSEXT
1894                 if (ctx2)
1895                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1896 #endif
1897                 }
1898 #else
1899         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1900                 {
1901                 RSA *rsa;
1902
1903                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1904                 BIO_flush(bio_s_out);
1905
1906                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1907
1908                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1909                         {
1910                         ERR_print_errors(bio_err);
1911                         goto end;
1912                         }
1913 #ifndef OPENSSL_NO_TLSEXT
1914                         if (ctx2)
1915                                 {
1916                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1917                                         {
1918                                         ERR_print_errors(bio_err);
1919                                         goto end;
1920                                         }
1921                                 }
1922 #endif
1923                 RSA_free(rsa);
1924                 BIO_printf(bio_s_out,"\n");
1925                 }
1926 #endif
1927 #endif
1928
1929         if (no_resume_ephemeral)
1930                 {
1931                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1932 #ifndef OPENSSL_NO_TLSEXT
1933                 if (ctx2)
1934                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1935 #endif
1936                 }
1937
1938 #ifndef OPENSSL_NO_PSK
1939 #ifdef OPENSSL_NO_JPAKE
1940         if (psk_key != NULL)
1941 #else
1942         if (psk_key != NULL || jpake_secret)
1943 #endif
1944                 {
1945                 if (s_debug)
1946                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1947                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1948                 }
1949
1950         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1951                 {
1952                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1953                 ERR_print_errors(bio_err);
1954                 goto end;
1955                 }
1956 #endif
1957
1958         if (cipher != NULL)
1959                 {
1960                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1961                         {
1962                         BIO_printf(bio_err,"error setting cipher list\n");
1963                         ERR_print_errors(bio_err);
1964                         goto end;
1965                         }
1966 #ifndef OPENSSL_NO_TLSEXT
1967                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1968                         {
1969                         BIO_printf(bio_err,"error setting cipher list\n");
1970                         ERR_print_errors(bio_err);
1971                         goto end;
1972                         }
1973 #endif
1974                 }
1975 #ifndef OPENSSL_NO_TLSEXT
1976         if (curves)
1977                 {
1978                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1979                         {
1980                         BIO_printf(bio_err,"error setting curves list\n");
1981                         ERR_print_errors(bio_err);
1982                         goto end;
1983                         }
1984                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1985                         {
1986                         BIO_printf(bio_err,"error setting curves list\n");
1987                         ERR_print_errors(bio_err);
1988                         goto end;
1989                         }
1990                 }
1991         if (sigalgs)
1992                 {
1993                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1994                         {
1995                         BIO_printf(bio_err,"error setting signature algorithms\n");
1996                         ERR_print_errors(bio_err);
1997                         goto end;
1998                         }
1999                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
2000                         {
2001                         BIO_printf(bio_err,"error setting signature algorithms\n");
2002                         ERR_print_errors(bio_err);
2003                         goto end;
2004                         }
2005                 }
2006         if (client_sigalgs)
2007                 {
2008                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
2009                         {
2010                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2011                         ERR_print_errors(bio_err);
2012                         goto end;
2013                         }
2014                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
2015                         {
2016                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2017                         ERR_print_errors(bio_err);
2018                         goto end;
2019                         }
2020                 }
2021 #endif
2022         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2023         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2024                 sizeof s_server_session_id_context);
2025
2026         /* Set DTLS cookie generation and verification callbacks */
2027         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2028         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2029
2030 #ifndef OPENSSL_NO_TLSEXT
2031         if (ctx2)
2032                 {
2033                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2034                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2035                         sizeof s_server_session_id_context);
2036
2037                 tlsextcbp.biodebug = bio_s_out;
2038                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2039                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2040                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2041                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2042                 }
2043 #endif
2044
2045 #ifndef OPENSSL_NO_SRP
2046         if (srp_verifier_file != NULL)
2047                 {
2048                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2049                 srp_callback_parm.user = NULL;
2050                 srp_callback_parm.login = NULL;
2051                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2052                         {
2053                         BIO_printf(bio_err,
2054                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2055                                    srp_verifier_file, ret);
2056                                 goto end;
2057                         }
2058                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2059                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2060                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2061                 }
2062         else
2063 #endif
2064         if (CAfile != NULL)
2065                 {
2066                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2067 #ifndef OPENSSL_NO_TLSEXT
2068                 if (ctx2)
2069                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2070 #endif
2071                 }
2072
2073         BIO_printf(bio_s_out,"ACCEPT\n");
2074         (void)BIO_flush(bio_s_out);
2075         if (www)
2076                 do_server(port,socket_type,&accept_socket,www_body, context);
2077         else
2078                 do_server(port,socket_type,&accept_socket,sv_body, context);
2079         print_stats(bio_s_out,ctx);
2080         ret=0;
2081 end:
2082         if (ctx != NULL) SSL_CTX_free(ctx);
2083         if (s_cert)
2084                 X509_free(s_cert);
2085         if (s_dcert)
2086                 X509_free(s_dcert);
2087         if (s_key)
2088                 EVP_PKEY_free(s_key);
2089         if (s_dkey)
2090                 EVP_PKEY_free(s_dkey);
2091         if (pass)
2092                 OPENSSL_free(pass);
2093         if (dpass)
2094                 OPENSSL_free(dpass);
2095         free_sessions();
2096 #ifndef OPENSSL_NO_TLSEXT
2097         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2098         if (s_cert2)
2099                 X509_free(s_cert2);
2100         if (s_key2)
2101                 EVP_PKEY_free(s_key2);
2102         if (authz_in != NULL)
2103                 BIO_free(authz_in);
2104 #endif
2105         ssl_excert_free(exc);
2106         if (bio_s_out != NULL)
2107                 {
2108         BIO_free(bio_s_out);
2109                 bio_s_out=NULL;
2110                 }
2111         if (bio_s_msg != NULL)
2112                 {
2113                 BIO_free(bio_s_msg);
2114                 bio_s_msg = NULL;
2115                 }
2116         apps_shutdown();
2117         OPENSSL_EXIT(ret);
2118         }
2119
2120 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2121         {
2122         BIO_printf(bio,"%4ld items in the session cache\n",
2123                 SSL_CTX_sess_number(ssl_ctx));
2124         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2125                 SSL_CTX_sess_connect(ssl_ctx));
2126         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2127                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2128         BIO_printf(bio,"%4ld client connects that finished\n",
2129                 SSL_CTX_sess_connect_good(ssl_ctx));
2130         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2131                 SSL_CTX_sess_accept(ssl_ctx));
2132         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2133                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2134         BIO_printf(bio,"%4ld server accepts that finished\n",
2135                 SSL_CTX_sess_accept_good(ssl_ctx));
2136         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2137         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2138         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2139         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2140         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2141                 SSL_CTX_sess_cache_full(ssl_ctx),
2142                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2143         }
2144
2145 static int sv_body(char *hostname, int s, unsigned char *context)
2146         {
2147         char *buf=NULL;
2148         fd_set readfds;
2149         int ret=1,width;
2150         int k,i;
2151         unsigned long l;
2152         SSL *con=NULL;
2153         BIO *sbio;
2154 #ifndef OPENSSL_NO_KRB5
2155         KSSL_CTX *kctx;
2156 #endif
2157         struct timeval timeout;
2158 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2159         struct timeval tv;
2160 #else
2161         struct timeval *timeoutp;
2162 #endif
2163
2164         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2165                 {
2166                 BIO_printf(bio_err,"out of memory\n");
2167                 goto err;
2168                 }
2169 #ifdef FIONBIO
2170         if (s_nbio)
2171                 {
2172                 unsigned long sl=1;
2173
2174                 if (!s_quiet)
2175                         BIO_printf(bio_err,"turning on non blocking io\n");
2176                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2177                         ERR_print_errors(bio_err);
2178                 }
2179 #endif
2180
2181         if (con == NULL) {
2182                 con=SSL_new(ctx);
2183 #ifndef OPENSSL_NO_TLSEXT
2184         if (s_tlsextdebug)
2185                 {
2186                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2187                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2188                 }
2189         if (s_tlsextstatus)
2190                 {
2191                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2192                 tlscstatp.err = bio_err;
2193                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2194                 }
2195 #endif
2196 #ifndef OPENSSL_NO_KRB5
2197                 if ((kctx = kssl_ctx_new()) != NULL)
2198                         {
2199                         SSL_set0_kssl_ctx(con, kctx);
2200                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2201                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2202                         }
2203 #endif  /* OPENSSL_NO_KRB5 */
2204                 if(context)
2205                       SSL_set_session_id_context(con, context,
2206                                                  strlen((char *)context));
2207         }
2208         SSL_clear(con);
2209 #if 0
2210 #ifdef TLSEXT_TYPE_opaque_prf_input
2211         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2212 #endif
2213 #endif
2214
2215         if (SSL_version(con) == DTLS1_VERSION)
2216                 {
2217
2218                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2219
2220                 if (enable_timeouts)
2221                         {
2222                         timeout.tv_sec = 0;
2223                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2224                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2225
2226                         timeout.tv_sec = 0;
2227                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2228                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2229                         }
2230
2231                 if (socket_mtu > 28)
2232                         {
2233                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2234                         SSL_set_mtu(con, socket_mtu - 28);
2235                         }
2236                 else
2237                         /* want to do MTU discovery */
2238                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2239
2240         /* turn on cookie exchange */
2241         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2242                 }
2243         else
2244                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2245
2246         if (s_nbio_test)
2247                 {
2248                 BIO *test;
2249
2250                 test=BIO_new(BIO_f_nbio_test());
2251                 sbio=BIO_push(test,sbio);
2252                 }
2253 #ifndef OPENSSL_NO_JPAKE
2254         if(jpake_secret)
2255                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2256 #endif
2257
2258         SSL_set_bio(con,sbio,sbio);
2259         SSL_set_accept_state(con);
2260         /* SSL_set_fd(con,s); */
2261
2262         if (s_debug)
2263                 {
2264                 SSL_set_debug(con, 1);
2265                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2266                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2267                 }
2268         if (s_msg)
2269                 {
2270 #ifndef OPENSSL_NO_SSL_TRACE
2271                 if (s_msg == 2)
2272                         SSL_set_msg_callback(con, SSL_trace);
2273                 else
2274 #endif
2275                         SSL_set_msg_callback(con, msg_cb);
2276                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2277                 }
2278 #ifndef OPENSSL_NO_TLSEXT
2279         if (s_tlsextdebug)
2280                 {
2281                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2282                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2283                 }
2284 #endif
2285
2286         width=s+1;
2287         for (;;)
2288                 {
2289                 int read_from_terminal;
2290                 int read_from_sslcon;
2291
2292                 read_from_terminal = 0;
2293                 read_from_sslcon = SSL_pending(con);
2294
2295                 if (!read_from_sslcon)
2296                         {
2297                         FD_ZERO(&readfds);
2298 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2299                         openssl_fdset(fileno(stdin),&readfds);
2300 #endif
2301                         openssl_fdset(s,&readfds);
2302                         /* Note: under VMS with SOCKETSHR the second parameter is
2303                          * currently of type (int *) whereas under other systems
2304                          * it is (void *) if you don't have a cast it will choke
2305                          * the compiler: if you do have a cast then you can either
2306                          * go for (int *) or (void *).
2307                          */
2308 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2309                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2310                          * on sockets. As a workaround we timeout the select every
2311                          * second and check for any keypress. In a proper Windows
2312                          * application we wouldn't do this because it is inefficient.
2313                          */
2314                         tv.tv_sec = 1;
2315                         tv.tv_usec = 0;
2316                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2317                         if((i < 0) || (!i && !_kbhit() ) )continue;
2318                         if(_kbhit())
2319                                 read_from_terminal = 1;
2320 #elif defined(OPENSSL_SYS_BEOS_R5)
2321                         /* Under BeOS-R5 the situation is similar to DOS */
2322                         tv.tv_sec = 1;
2323                         tv.tv_usec = 0;
2324                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2325                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2326                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2327                                 continue;
2328                         if (read(fileno(stdin), buf, 0) >= 0)
2329                                 read_from_terminal = 1;
2330                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2331 #else
2332                         if ((SSL_version(con) == DTLS1_VERSION) &&
2333                                 DTLSv1_get_timeout(con, &timeout))
2334                                 timeoutp = &timeout;
2335                         else
2336                                 timeoutp = NULL;
2337
2338                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2339
2340                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2341                                 {
2342                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2343                                 }
2344
2345                         if (i <= 0) continue;
2346                         if (FD_ISSET(fileno(stdin),&readfds))
2347                                 read_from_terminal = 1;
2348 #endif
2349                         if (FD_ISSET(s,&readfds))
2350                                 read_from_sslcon = 1;
2351                         }
2352                 if (read_from_terminal)
2353                         {
2354                         if (s_crlf)
2355                                 {
2356                                 int j, lf_num;
2357
2358                                 i=raw_read_stdin(buf, bufsize/2);
2359                                 lf_num = 0;
2360                                 /* both loops are skipped when i <= 0 */
2361                                 for (j = 0; j < i; j++)
2362                                         if (buf[j] == '\n')
2363                                                 lf_num++;
2364                                 for (j = i-1; j >= 0; j--)
2365                                         {
2366                                         buf[j+lf_num] = buf[j];
2367                                         if (buf[j] == '\n')
2368                                                 {
2369                                                 lf_num--;
2370                                                 i++;
2371                                                 buf[j+lf_num] = '\r';
2372                                                 }
2373                                         }
2374                                 assert(lf_num == 0);
2375                                 }
2376                         else
2377                                 i=raw_read_stdin(buf,bufsize);
2378                         if (!s_quiet)
2379                                 {
2380                                 if ((i <= 0) || (buf[0] == 'Q'))
2381                                         {
2382                                         BIO_printf(bio_s_out,"DONE\n");
2383                                         SHUTDOWN(s);
2384                                         close_accept_socket();
2385                                         ret= -11;
2386                                         goto err;
2387                                         }
2388                                 if ((i <= 0) || (buf[0] == 'q'))
2389                                         {
2390                                         BIO_printf(bio_s_out,"DONE\n");
2391                                         if (SSL_version(con) != DTLS1_VERSION)
2392                         SHUTDOWN(s);
2393         /*                              close_accept_socket();
2394                                         ret= -11;*/
2395                                         goto err;
2396                                         }
2397
2398 #ifndef OPENSSL_NO_HEARTBEATS
2399                                 if ((buf[0] == 'B') &&
2400                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2401                                         {
2402                                         BIO_printf(bio_err,"HEARTBEATING\n");
2403                                         SSL_heartbeat(con);
2404                                         i=0;
2405                                         continue;
2406                                         }
2407 #endif
2408                                 if ((buf[0] == 'r') &&
2409                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2410                                         {
2411                                         SSL_renegotiate(con);
2412                                         i=SSL_do_handshake(con);
2413                                         printf("SSL_do_handshake -> %d\n",i);
2414                                         i=0; /*13; */
2415                                         continue;
2416                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2417                                         }
2418                                 if ((buf[0] == 'R') &&
2419                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2420                                         {
2421                                         SSL_set_verify(con,
2422                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2423                                         SSL_renegotiate(con);
2424                                         i=SSL_do_handshake(con);
2425                                         printf("SSL_do_handshake -> %d\n",i);
2426                                         i=0; /* 13; */
2427                                         continue;
2428                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2429                                         }
2430                                 if (buf[0] == 'P')
2431                                         {
2432                                         static const char *str="Lets print some clear text\n";
2433                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2434                                         }
2435                                 if (buf[0] == 'S')
2436                                         {
2437                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2438                                         }
2439                                 }
2440 #ifdef CHARSET_EBCDIC
2441                         ebcdic2ascii(buf,buf,i);
2442 #endif
2443                         l=k=0;
2444                         for (;;)
2445                                 {
2446                                 /* should do a select for the write */
2447 #ifdef RENEG
2448 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2449 #endif
2450                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2451 #ifndef OPENSSL_NO_SRP
2452                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2453                                         {
2454                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2455                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2456                                         if (srp_callback_parm.user)
2457                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2458                                         else
2459                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2460                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2461                                         }
2462 #endif
2463                                 switch (SSL_get_error(con,k))
2464                                         {
2465                                 case SSL_ERROR_NONE:
2466                                         break;
2467                                 case SSL_ERROR_WANT_WRITE:
2468                                 case SSL_ERROR_WANT_READ:
2469                                 case SSL_ERROR_WANT_X509_LOOKUP:
2470                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2471                                         break;
2472                                 case SSL_ERROR_SYSCALL:
2473                                 case SSL_ERROR_SSL:
2474                                         BIO_printf(bio_s_out,"ERROR\n");
2475                                         ERR_print_errors(bio_err);
2476                                         ret=1;
2477                                         goto err;
2478                                         /* break; */
2479                                 case SSL_ERROR_ZERO_RETURN:
2480                                         BIO_printf(bio_s_out,"DONE\n");
2481                                         ret=1;
2482                                         goto err;
2483                                         }
2484                                 l+=k;
2485                                 i-=k;
2486                                 if (i <= 0) break;
2487                                 }
2488                         }
2489                 if (read_from_sslcon)
2490                         {
2491                         if (!SSL_is_init_finished(con))
2492                                 {
2493                                 i=init_ssl_connection(con);
2494
2495                                 if (i < 0)
2496                                         {
2497                                         ret=0;
2498                                         goto err;
2499                                         }
2500                                 else if (i == 0)
2501                                         {
2502                                         ret=1;
2503                                         goto err;
2504                                         }
2505                                 }
2506                         else
2507                                 {
2508 again:
2509                                 i=SSL_read(con,(char *)buf,bufsize);
2510 #ifndef OPENSSL_NO_SRP
2511                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2512                                         {
2513                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2514                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2515                                         if (srp_callback_parm.user)
2516                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2517                                         else
2518                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2519                                         i=SSL_read(con,(char *)buf,bufsize);
2520                                         }
2521 #endif
2522                                 switch (SSL_get_error(con,i))
2523                                         {
2524                                 case SSL_ERROR_NONE:
2525 #ifdef CHARSET_EBCDIC
2526                                         ascii2ebcdic(buf,buf,i);
2527 #endif
2528                                         raw_write_stdout(buf,
2529                                                 (unsigned int)i);
2530                                         if (SSL_pending(con)) goto again;
2531                                         break;
2532                                 case SSL_ERROR_WANT_WRITE:
2533                                 case SSL_ERROR_WANT_READ:
2534                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2535                                         break;
2536                                 case SSL_ERROR_SYSCALL:
2537                                 case SSL_ERROR_SSL:
2538                                         BIO_printf(bio_s_out,"ERROR\n");
2539                                         ERR_print_errors(bio_err);
2540                                         ret=1;
2541                                         goto err;
2542                                 case SSL_ERROR_ZERO_RETURN:
2543                                         BIO_printf(bio_s_out,"DONE\n");
2544                                         ret=1;
2545                                         goto err;
2546                                         }
2547                                 }
2548                         }
2549                 }
2550 err:
2551         if (con != NULL)
2552                 {
2553                 BIO_printf(bio_s_out,"shutting down SSL\n");
2554 #if 1
2555                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2556 #else
2557                 SSL_shutdown(con);
2558 #endif
2559                 SSL_free(con);
2560                 }
2561         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2562         if (buf != NULL)
2563                 {
2564                 OPENSSL_cleanse(buf,bufsize);
2565                 OPENSSL_free(buf);
2566                 }
2567         if (ret >= 0)
2568                 BIO_printf(bio_s_out,"ACCEPT\n");
2569         return(ret);
2570         }
2571
2572 static void close_accept_socket(void)
2573         {
2574         BIO_printf(bio_err,"shutdown accept socket\n");
2575         if (accept_socket >= 0)
2576                 {
2577                 SHUTDOWN2(accept_socket);
2578                 }
2579         }
2580
2581 static int init_ssl_connection(SSL *con)
2582         {
2583         int i;
2584         const char *str;
2585         X509 *peer;
2586         long verify_error;
2587         MS_STATIC char buf[BUFSIZ];
2588 #ifndef OPENSSL_NO_KRB5
2589         char *client_princ;
2590 #endif
2591 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2592         const unsigned char *next_proto_neg;
2593         unsigned next_proto_neg_len;
2594 #endif
2595         unsigned char *exportedkeymat;
2596
2597
2598         i=SSL_accept(con);
2599 #ifndef OPENSSL_NO_SRP
2600         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2601                 {
2602                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2603                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2604                         if (srp_callback_parm.user)
2605                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2606                         else
2607                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2608                         i=SSL_accept(con);
2609                 }
2610 #endif
2611         if (i <= 0)
2612                 {
2613                 if (BIO_sock_should_retry(i))
2614                         {
2615                         BIO_printf(bio_s_out,"DELAY\n");
2616                         return(1);
2617                         }
2618
2619                 BIO_printf(bio_err,"ERROR\n");
2620                 verify_error=SSL_get_verify_result(con);
2621                 if (verify_error != X509_V_OK)
2622                         {
2623                         BIO_printf(bio_err,"verify error:%s\n",
2624                                 X509_verify_cert_error_string(verify_error));
2625                         }
2626                 /* Always print any error messages */
2627                 ERR_print_errors(bio_err);
2628                 return(0);
2629                 }
2630
2631         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2632
2633         peer=SSL_get_peer_certificate(con);
2634         if (peer != NULL)
2635                 {
2636                 BIO_printf(bio_s_out,"Client certificate\n");
2637                 PEM_write_bio_X509(bio_s_out,peer);
2638                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2639                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2640                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2641                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2642                 X509_free(peer);
2643                 }
2644
2645         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2646                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2647         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2648         ssl_print_sigalgs(bio_s_out, con);
2649         ssl_print_curves(bio_s_out, con);
2650         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2651
2652 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2653         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2654         if (next_proto_neg)
2655                 {
2656                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2657                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2658                 BIO_printf(bio_s_out, "\n");
2659                 }
2660 #endif
2661         {
2662         SRTP_PROTECTION_PROFILE *srtp_profile
2663           = SSL_get_selected_srtp_profile(con);
2664
2665         if(srtp_profile)
2666                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2667                            srtp_profile->name);
2668         }
2669         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2670         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2671                 TLS1_FLAGS_TLS_PADDING_BUG)
2672                 BIO_printf(bio_s_out,
2673                            "Peer has incorrect TLSv1 block padding\n");
2674 #ifndef OPENSSL_NO_KRB5
2675         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2676         if (client_princ != NULL)
2677                 {
2678                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2679                                                                 client_princ);
2680                 }
2681 #endif /* OPENSSL_NO_KRB5 */
2682         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2683                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2684         if (keymatexportlabel != NULL)
2685                 {
2686                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2687                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2688                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2689                            keymatexportlen);
2690                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2691                 if (exportedkeymat != NULL)
2692                         {
2693                         if (!SSL_export_keying_material(con, exportedkeymat,
2694                                                         keymatexportlen,
2695                                                         keymatexportlabel,
2696                                                         strlen(keymatexportlabel),
2697                                                         NULL, 0, 0))
2698                                 {
2699                                 BIO_printf(bio_s_out, "    Error\n");
2700                                 }
2701                         else
2702                                 {
2703                                 BIO_printf(bio_s_out, "    Keying material: ");
2704                                 for (i=0; i<keymatexportlen; i++)
2705                                         BIO_printf(bio_s_out, "%02X",
2706                                                    exportedkeymat[i]);
2707                                 BIO_printf(bio_s_out, "\n");
2708                                 }
2709                         OPENSSL_free(exportedkeymat);
2710                         }
2711                 }
2712
2713         return(1);
2714         }
2715
2716 #ifndef OPENSSL_NO_DH
2717 static DH *load_dh_param(const char *dhfile)
2718         {
2719         DH *ret=NULL;
2720         BIO *bio;
2721
2722         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2723                 goto err;
2724         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2725 err:
2726         if (bio != NULL) BIO_free(bio);
2727         return(ret);
2728         }
2729 #endif
2730
2731 #if 0
2732 static int load_CA(SSL_CTX *ctx, char *file)
2733         {
2734         FILE *in;
2735         X509 *x=NULL;
2736
2737         if ((in=fopen(file,"r")) == NULL)
2738                 return(0);
2739
2740         for (;;)
2741                 {
2742                 if (PEM_read_X509(in,&x,NULL) == NULL)
2743                         break;
2744                 SSL_CTX_add_client_CA(ctx,x);
2745                 }
2746         if (x != NULL) X509_free(x);
2747         fclose(in);
2748         return(1);
2749         }
2750 #endif
2751
2752 static int www_body(char *hostname, int s, unsigned char *context)
2753         {
2754         char *buf=NULL;
2755         int ret=1;
2756         int i,j,k,dot;
2757         SSL *con;
2758         const SSL_CIPHER *c;
2759         BIO *io,*ssl_bio,*sbio;
2760 #ifndef OPENSSL_NO_KRB5
2761         KSSL_CTX *kctx;
2762 #endif
2763
2764         buf=OPENSSL_malloc(bufsize);
2765         if (buf == NULL) return(0);
2766         io=BIO_new(BIO_f_buffer());
2767         ssl_bio=BIO_new(BIO_f_ssl());
2768         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2769
2770 #ifdef FIONBIO
2771         if (s_nbio)
2772                 {
2773                 unsigned long sl=1;
2774
2775                 if (!s_quiet)
2776                         BIO_printf(bio_err,"turning on non blocking io\n");
2777                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2778                         ERR_print_errors(bio_err);
2779                 }
2780 #endif
2781
2782         /* lets make the output buffer a reasonable size */
2783         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2784
2785         if ((con=SSL_new(ctx)) == NULL) goto err;
2786 #ifndef OPENSSL_NO_TLSEXT
2787                 if (s_tlsextdebug)
2788                         {
2789                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2790                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2791                         }
2792 #endif
2793 #ifndef OPENSSL_NO_KRB5
2794         if ((kctx = kssl_ctx_new()) != NULL)
2795                 {
2796                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2797                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2798                 }
2799 #endif  /* OPENSSL_NO_KRB5 */
2800         if(context) SSL_set_session_id_context(con, context,
2801                                                strlen((char *)context));
2802
2803         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2804         if (s_nbio_test)
2805                 {
2806                 BIO *test;
2807
2808                 test=BIO_new(BIO_f_nbio_test());
2809                 sbio=BIO_push(test,sbio);
2810                 }
2811         SSL_set_bio(con,sbio,sbio);
2812         SSL_set_accept_state(con);
2813
2814         /* SSL_set_fd(con,s); */
2815         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2816         BIO_push(io,ssl_bio);
2817 #ifdef CHARSET_EBCDIC
2818         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2819 #endif
2820
2821         if (s_debug)
2822                 {
2823                 SSL_set_debug(con, 1);
2824                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2825                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2826                 }
2827         if (s_msg)
2828                 {
2829 #ifndef OPENSSL_NO_SSL_TRACE
2830                 if (s_msg == 2)
2831                         SSL_set_msg_callback(con, SSL_trace);
2832                 else
2833 #endif
2834                         SSL_set_msg_callback(con, msg_cb);
2835                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2836                 }
2837
2838         for (;;)
2839                 {
2840                 if (hack)
2841                         {
2842                         i=SSL_accept(con);
2843 #ifndef OPENSSL_NO_SRP
2844                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2845                 {
2846                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2847                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2848                         if (srp_callback_parm.user)
2849                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2850                         else
2851                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2852                         i=SSL_accept(con);
2853                 }
2854 #endif
2855                         switch (SSL_get_error(con,i))
2856                                 {
2857                         case SSL_ERROR_NONE:
2858                                 break;
2859                         case SSL_ERROR_WANT_WRITE:
2860                         case SSL_ERROR_WANT_READ:
2861                         case SSL_ERROR_WANT_X509_LOOKUP:
2862                                 continue;
2863                         case SSL_ERROR_SYSCALL:
2864                         case SSL_ERROR_SSL:
2865                         case SSL_ERROR_ZERO_RETURN:
2866                                 ret=1;
2867                                 goto err;
2868                                 /* break; */
2869                                 }
2870
2871                         SSL_renegotiate(con);
2872                         SSL_write(con,NULL,0);
2873                         }
2874
2875                 i=BIO_gets(io,buf,bufsize-1);
2876                 if (i < 0) /* error */
2877                         {
2878                         if (!BIO_should_retry(io))
2879                                 {
2880                                 if (!s_quiet)
2881                                         ERR_print_errors(bio_err);
2882                                 goto err;
2883                                 }
2884                         else
2885                                 {
2886                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2887 #if defined(OPENSSL_SYS_NETWARE)
2888             delay(1000);
2889 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2890                                 sleep(1);
2891 #endif
2892                                 continue;
2893                                 }
2894                         }
2895                 else if (i == 0) /* end of input */
2896                         {
2897                         ret=1;
2898                         goto end;
2899                         }
2900
2901                 /* else we have data */
2902                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2903                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2904                         {
2905                         char *p;
2906                         X509 *peer;
2907                         STACK_OF(SSL_CIPHER) *sk;
2908                         static const char *space="                          ";
2909
2910                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2911                         {
2912                         if (strncmp("GET /renegcert", buf, 14) == 0)
2913                                 SSL_set_verify(con,
2914                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2915                         i=SSL_renegotiate(con);
2916                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2917                         i=SSL_do_handshake(con);
2918                         if (i <= 0)
2919                                 {
2920                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2921                                 ERR_print_errors(bio_err);
2922                                 goto err;
2923                                 }
2924                         /* EVIL HACK! */
2925                         SSL_set_state(con, SSL_ST_ACCEPT);
2926                         i=SSL_do_handshake(con);
2927                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2928                         if (i <= 0)
2929                                 {
2930                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2931                                 ERR_print_errors(bio_err);
2932                                 goto err;
2933                                 }
2934                         }
2935
2936                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2937                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2938                         BIO_puts(io,"<pre>\n");
2939 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2940                         BIO_puts(io,"\n");
2941                         for (i=0; i<local_argc; i++)
2942                                 {
2943                                 BIO_puts(io,local_argv[i]);
2944                                 BIO_write(io," ",1);
2945                                 }
2946                         BIO_puts(io,"\n");
2947
2948                         BIO_printf(io,
2949                                 "Secure Renegotiation IS%s supported\n",
2950                                 SSL_get_secure_renegotiation_support(con) ?
2951                                                         "" : " NOT");
2952
2953                         /* The following is evil and should not really
2954                          * be done */
2955                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2956                         sk=SSL_get_ciphers(con);
2957                         j=sk_SSL_CIPHER_num(sk);
2958                         for (i=0; i<j; i++)
2959                                 {
2960                                 c=sk_SSL_CIPHER_value(sk,i);
2961                                 BIO_printf(io,"%-11s:%-25s",
2962                                         SSL_CIPHER_get_version(c),
2963                                         SSL_CIPHER_get_name(c));
2964                                 if ((((i+1)%2) == 0) && (i+1 != j))
2965                                         BIO_puts(io,"\n");
2966                                 }
2967                         BIO_puts(io,"\n");
2968                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2969                         if (p != NULL)
2970                                 {
2971                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2972                                 j=i=0;
2973                                 while (*p)
2974                                         {
2975                                         if (*p == ':')
2976                                                 {
2977                                                 BIO_write(io,space,26-j);
2978                                                 i++;
2979                                                 j=0;
2980                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2981                                                 }
2982                                         else
2983                                                 {
2984                                                 BIO_write(io,p,1);
2985                                                 j++;
2986                                                 }
2987                                         p++;
2988                                         }
2989                                 BIO_puts(io,"\n");
2990                                 }
2991                         ssl_print_sigalgs(io, con);
2992                         ssl_print_curves(io, con);
2993                         BIO_printf(io,(SSL_cache_hit(con)
2994                                 ?"---\nReused, "
2995                                 :"---\nNew, "));
2996                         c=SSL_get_current_cipher(con);
2997                         BIO_printf(io,"%s, Cipher is %s\n",
2998                                 SSL_CIPHER_get_version(c),
2999                                 SSL_CIPHER_get_name(c));
3000                         SSL_SESSION_print(io,SSL_get_session(con));
3001                         BIO_printf(io,"---\n");
3002                         print_stats(io,SSL_get_SSL_CTX(con));
3003                         BIO_printf(io,"---\n");
3004                         peer=SSL_get_peer_certificate(con);
3005                         if (peer != NULL)
3006                                 {
3007                                 BIO_printf(io,"Client certificate\n");
3008                                 X509_print(io,peer);
3009                                 PEM_write_bio_X509(io,peer);
3010                                 }
3011                         else
3012                                 BIO_puts(io,"no client certificate available\n");
3013                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3014                         break;
3015                         }
3016                 else if ((www == 2 || www == 3)
3017                          && (strncmp("GET /",buf,5) == 0))
3018                         {
3019                         BIO *file;
3020                         char *p,*e;
3021                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3022
3023                         /* skip the '/' */
3024                         p= &(buf[5]);
3025
3026                         dot = 1;
3027                         for (e=p; *e != '\0'; e++)
3028                                 {
3029                                 if (e[0] == ' ')
3030                                         break;
3031
3032                                 switch (dot)
3033                                         {
3034                                 case 1:
3035                                         dot = (e[0] == '.') ? 2 : 0;
3036                                         break;
3037                                 case 2:
3038                                         dot = (e[0] == '.') ? 3 : 0;
3039                                         break;
3040                                 case 3:
3041                                         dot = (e[0] == '/') ? -1 : 0;
3042                                         break;
3043                                         }
3044                                 if (dot == 0)
3045                                         dot = (e[0] == '/') ? 1 : 0;
3046                                 }
3047                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3048
3049                         if (*e == '\0')
3050                                 {
3051                                 BIO_puts(io,text);
3052                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3053                                 break;
3054                                 }
3055                         *e='\0';
3056
3057                         if (dot)
3058                                 {
3059                                 BIO_puts(io,text);
3060                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3061                                 break;
3062                                 }
3063
3064                         if (*p == '/')
3065                                 {
3066                                 BIO_puts(io,text);
3067                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3068                                 break;
3069                                 }
3070
3071 #if 0
3072                         /* append if a directory lookup */
3073                         if (e[-1] == '/')
3074                                 strcat(p,"index.html");
3075 #endif
3076
3077                         /* if a directory, do the index thang */
3078                         if (app_isdir(p)>0)
3079                                 {
3080 #if 0 /* must check buffer size */
3081                                 strcat(p,"/index.html");
3082 #else
3083                                 BIO_puts(io,text);
3084                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3085                                 break;
3086 #endif
3087                                 }
3088
3089                         if ((file=BIO_new_file(p,"r")) == NULL)
3090                                 {
3091                                 BIO_puts(io,text);
3092                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3093                                 ERR_print_errors(io);
3094                                 break;
3095                                 }
3096
3097                         if (!s_quiet)
3098                                 BIO_printf(bio_err,"FILE:%s\n",p);
3099
3100                         if (www == 2)
3101                                 {
3102                                 i=strlen(p);
3103                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3104                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3105                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3106                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3107                                 else
3108                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3109                                 }
3110                         /* send the file */
3111                         for (;;)
3112                                 {
3113                                 i=BIO_read(file,buf,bufsize);
3114                                 if (i <= 0) break;
3115
3116 #ifdef RENEG
3117                                 total_bytes+=i;
3118                                 fprintf(stderr,"%d\n",i);
3119                                 if (total_bytes > 3*1024)
3120                                         {
3121                                         total_bytes=0;
3122                                         fprintf(stderr,"RENEGOTIATE\n");
3123                                         SSL_renegotiate(con);
3124                                         }
3125 #endif
3126
3127                                 for (j=0; j<i; )
3128                                         {
3129 #ifdef RENEG
3130 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3131 #endif
3132                                         k=BIO_write(io,&(buf[j]),i-j);
3133                                         if (k <= 0)
3134                                                 {
3135                                                 if (!BIO_should_retry(io))
3136                                                         goto write_error;
3137                                                 else
3138                                                         {
3139                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3140                                                         }
3141                                                 }
3142                                         else
3143                                                 {
3144                                                 j+=k;
3145                                                 }
3146                                         }
3147                                 }
3148 write_error:
3149                         BIO_free(file);
3150                         break;
3151                         }
3152                 }
3153
3154         for (;;)
3155                 {
3156                 i=(int)BIO_flush(io);
3157                 if (i <= 0)
3158                         {
3159                         if (!BIO_should_retry(io))
3160                                 break;
3161                         }
3162                 else
3163                         break;
3164                 }
3165 end:
3166 #if 1
3167         /* make sure we re-use sessions */
3168         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3169 #else
3170         /* This kills performance */
3171 /*      SSL_shutdown(con); A shutdown gets sent in the
3172  *      BIO_free_all(io) procession */
3173 #endif
3174
3175 err:
3176
3177         if (ret >= 0)
3178                 BIO_printf(bio_s_out,"ACCEPT\n");
3179
3180         if (buf != NULL) OPENSSL_free(buf);
3181         if (io != NULL) BIO_free_all(io);
3182 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3183         return(ret);
3184         }
3185
3186 #ifndef OPENSSL_NO_RSA
3187 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3188         {
3189         BIGNUM *bn = NULL;
3190         static RSA *rsa_tmp=NULL;
3191
3192         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3193                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3194         if (!rsa_tmp && bn)
3195                 {
3196                 if (!s_quiet)
3197                         {
3198                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3199                         (void)BIO_flush(bio_err);
3200                         }
3201                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3202                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3203                         {
3204                         if(rsa_tmp) RSA_free(rsa_tmp);
3205                         rsa_tmp = NULL;
3206                         }
3207                 if (!s_quiet)
3208                         {
3209                         BIO_printf(bio_err,"\n");
3210                         (void)BIO_flush(bio_err);
3211                         }
3212                 BN_free(bn);
3213                 }
3214         return(rsa_tmp);
3215         }
3216 #endif
3217
3218 #define MAX_SESSION_ID_ATTEMPTS 10
3219 static int generate_session_id(const SSL *ssl, unsigned char *id,
3220                                 unsigned int *id_len)
3221         {
3222         unsigned int count = 0;
3223         do      {
3224                 RAND_pseudo_bytes(id, *id_len);
3225                 /* Prefix the session_id with the required prefix. NB: If our
3226                  * prefix is too long, clip it - but there will be worse effects
3227                  * anyway, eg. the server could only possibly create 1 session
3228                  * ID (ie. the prefix!) so all future session negotiations will
3229                  * fail due to conflicts. */
3230                 memcpy(id, session_id_prefix,
3231                         (strlen(session_id_prefix) < *id_len) ?
3232                         strlen(session_id_prefix) : *id_len);
3233                 }
3234         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3235                 (++count < MAX_SESSION_ID_ATTEMPTS));
3236         if(count >= MAX_SESSION_ID_ATTEMPTS)
3237                 return 0;
3238         return 1;
3239         }
3240
3241 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3242  * structures without any serialisation. This hides some bugs which only
3243  * become apparent in deployed servers. By implementing a basic external
3244  * session cache some issues can be debugged using s_server.
3245  */
3246
3247 typedef struct simple_ssl_session_st
3248         {
3249         unsigned char *id;
3250         unsigned int idlen;
3251         unsigned char *der;
3252         int derlen;
3253         struct simple_ssl_session_st *next;
3254         } simple_ssl_session;
3255
3256 static simple_ssl_session *first = NULL;
3257
3258 static int add_session(SSL *ssl, SSL_SESSION *session)
3259         {
3260         simple_ssl_session *sess;
3261         unsigned char *p;
3262
3263         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3264
3265         SSL_SESSION_get_id(session, &sess->idlen);
3266         sess->derlen = i2d_SSL_SESSION(session, NULL);
3267
3268         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3269
3270         sess->der = OPENSSL_malloc(sess->derlen);
3271         p = sess->der;
3272         i2d_SSL_SESSION(session, &p);
3273
3274         sess->next = first;
3275         first = sess;
3276         BIO_printf(bio_err, "New session added to external cache\n");
3277         return 0;
3278         }
3279
3280 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3281                                         int *do_copy)
3282         {
3283         simple_ssl_session *sess;
3284         *do_copy = 0;
3285         for (sess = first; sess; sess = sess->next)
3286                 {
3287                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3288                         {
3289                         const unsigned char *p = sess->der;
3290                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3291                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3292                         }
3293                 }
3294         BIO_printf(bio_err, "Lookup session: cache miss\n");
3295         return NULL;
3296         }
3297
3298 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3299         {
3300         simple_ssl_session *sess, *prev = NULL;
3301         const unsigned char *id;
3302         unsigned int idlen;
3303         id = SSL_SESSION_get_id(session, &idlen);
3304         for (sess = first; sess; sess = sess->next)
3305                 {
3306                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3307                         {
3308                         if(prev)
3309                                 prev->next = sess->next;
3310                         else
3311                                 first = sess->next;
3312                         OPENSSL_free(sess->id);
3313                         OPENSSL_free(sess->der);
3314                         OPENSSL_free(sess);
3315                         return;
3316                         }
3317                 prev = sess;
3318                 }
3319         }
3320
3321 static void init_session_cache_ctx(SSL_CTX *sctx)
3322         {
3323         SSL_CTX_set_session_cache_mode(sctx,
3324                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3325         SSL_CTX_sess_set_new_cb(sctx, add_session);
3326         SSL_CTX_sess_set_get_cb(sctx, get_session);
3327         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3328         }
3329
3330 static void free_sessions(void)
3331         {
3332         simple_ssl_session *sess, *tsess;
3333         for (sess = first; sess;)
3334                 {
3335                 OPENSSL_free(sess->id);
3336                 OPENSSL_free(sess->der);
3337                 tsess = sess;
3338                 sess = sess->next;
3339                 OPENSSL_free(tsess);
3340                 }
3341         first = NULL;
3342         }
3343
3344 static int ssl_load_stores(SSL_CTX *sctx,
3345                         const char *vfyCApath, const char *vfyCAfile,
3346                         const char *chCApath, const char *chCAfile)
3347         {
3348         X509_STORE *vfy = NULL, *ch = NULL;
3349         int rv = 0;
3350         if (vfyCApath || vfyCAfile)
3351                 {
3352                 vfy = X509_STORE_new();
3353                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3354                         goto err;
3355                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3356                 }
3357         if (chCApath || chCAfile)
3358                 {
3359                 ch = X509_STORE_new();
3360                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3361                         goto err;
3362                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3363                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3364                 }
3365         rv = 1;
3366         err:
3367         if (vfy)
3368                 X509_STORE_free(vfy);
3369         if (ch)
3370                 X509_STORE_free(ch);
3371         return rv;
3372         }
3373
3374
3375
3376
3377
3378
3379
3380
3381