apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
 208 static int www_body(char *hostname, int s, int stype, unsigned char *context);
 209 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
 210 static void close_accept_socket(void );
 211 static void sv_usage(void);
 212 static int init_ssl_connection(SSL *s);
 213 static void print_stats(BIO *bp,SSL_CTX *ctx);
 214 static int generate_session_id(const SSL *ssl, unsigned char *id,
 215                                 unsigned int *id_len);
 216 static void init_session_cache_ctx(SSL_CTX *sctx);
 217 static void free_sessions(void);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 221 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_DH
 228 static unsigned char dh512_p[]={
 229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 234         0x47,0x74,0xE8,0x33,
 235         };
 236 static unsigned char dh512_g[]={
 237         0x02,
 238         };
 239
 240 static DH *get_dh512(void)
 241         {
 242         DH *dh=NULL;
 243
 244         if ((dh=DH_new()) == NULL) return(NULL);
 245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 247         if ((dh->p == NULL) || (dh->g == NULL))
 248                 return(NULL);
 249         return(dh);
 250         }
 251 #endif
 252
 253
 254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 255
 256 #undef BUFSIZZ
 257 #define BUFSIZZ 16*1024
 258 static int bufsize=BUFSIZZ;
 259 static int accept_socket= -1;
 260
 261 #define TEST_CERT       "server.pem"
 262 #ifndef OPENSSL_NO_TLSEXT
 263 #define TEST_CERT2      "server2.pem"
 264 #endif
 265 #undef PROG
 266 #define PROG            s_server_main
 267
 268 extern int verify_depth, verify_return_error, verify_quiet;
 269
 270 static int s_server_verify=SSL_VERIFY_NONE;
 271 static int s_server_session_id_context = 1; /* anything will do */
 272 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 273 #ifndef OPENSSL_NO_TLSEXT
 274 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 275 #endif
 276 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 277 #ifdef FIONBIO
 278 static int s_nbio=0;
 279 #endif
 280 static int s_nbio_test=0;
 281 int s_crlf=0;
 282 static SSL_CTX *ctx=NULL;
 283 #ifndef OPENSSL_NO_TLSEXT
 284 static SSL_CTX *ctx2=NULL;
 285 #endif
 286 static int www=0;
 287
 288 static BIO *bio_s_out=NULL;
 289 static BIO *bio_s_msg = NULL;
 290 static int s_debug=0;
 291 #ifndef OPENSSL_NO_TLSEXT
 292 static int s_tlsextdebug=0;
 293 static int s_tlsextstatus=0;
 294 static int cert_status_cb(SSL *s, void *arg);
 295 #endif
 296 static int no_resume_ephemeral = 0;
 297 static int s_msg=0;
 298 static int s_quiet=0;
 299 static int s_ign_eof=0;
 300 static int s_brief=0;
 301
 302 static char *keymatexportlabel=NULL;
 303 static int keymatexportlen=20;
 304
 305 static int hack=0;
 306 #ifndef OPENSSL_NO_ENGINE
 307 static char *engine_id=NULL;
 308 #endif
 309 static const char *session_id_prefix=NULL;
 310
 311 static int enable_timeouts = 0;
 312 static long socket_mtu;
 313 #ifndef OPENSSL_NO_DTLS1
 314 static int cert_chain = 0;
 315 #endif
 316
 317 #ifndef OPENSSL_NO_TLSEXT
 318 static BIO *authz_in = NULL;
 319 static const char *s_authz_file = NULL;
 320 static BIO *serverinfo_in = NULL;
 321 static const char *s_serverinfo_file = NULL;
 322 #endif
 323
 324 #ifndef OPENSSL_NO_PSK
 325 static char *psk_identity="Client_identity";
 326 char *psk_key=NULL; /* by default PSK is not used */
 327
 328 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 329         unsigned char *psk, unsigned int max_psk_len)
 330         {
 331         unsigned int psk_len = 0;
 332         int ret;
 333         BIGNUM *bn = NULL;
 334
 335         if (s_debug)
 336                 BIO_printf(bio_s_out,"psk_server_cb\n");
 337         if (!identity)
 338                 {
 339                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 340                 goto out_err;
 341                 }
 342         if (s_debug)
 343                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 344                         identity ? (int)strlen(identity) : 0, identity);
 345
 346         /* here we could lookup the given identity e.g. from a database */
 347         if (strcmp(identity, psk_identity) != 0)
 348                 {
 349                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 350                            " (got '%s' expected '%s')\n", identity,
 351                            psk_identity);
 352                 goto out_err;
 353                 }
 354         if (s_debug)
 355                 BIO_printf(bio_s_out, "PSK client identity found\n");
 356
 357         /* convert the PSK key to binary */
 358         ret = BN_hex2bn(&bn, psk_key);
 359         if (!ret)
 360                 {
 361                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 362                 if (bn)
 363                         BN_free(bn);
 364                 return 0;
 365                 }
 366         if (BN_num_bytes(bn) > (int)max_psk_len)
 367                 {
 368                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 369                         max_psk_len, BN_num_bytes(bn));
 370                 BN_free(bn);
 371                 return 0;
 372                 }
 373
 374         ret = BN_bn2bin(bn, psk);
 375         BN_free(bn);
 376
 377         if (ret < 0)
 378                 goto out_err;
 379         psk_len = (unsigned int)ret;
 380
 381         if (s_debug)
 382                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 383         return psk_len;
 384  out_err:
 385         if (s_debug)
 386                 BIO_printf(bio_err, "Error in PSK server callback\n");
 387         return 0;
 388         }
 389 #endif
 390
 391 #ifndef OPENSSL_NO_SRP
 392 /* This is a context that we pass to callbacks */
 393 typedef struct srpsrvparm_st
 394         {
 395         char *login;
 396         SRP_VBASE *vb;
 397         SRP_user_pwd *user;
 398         } srpsrvparm;
 399
 400 /* This callback pretends to require some asynchronous logic in order to obtain
 401    a verifier. When the callback is called for a new connection we return
 402    with a negative value. This will provoke the accept etc to return with
 403    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 404    (which would normally occur after a worker has finished) and we
 405    set the user parameters.
 406 */
 407 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 408         {
 409         srpsrvparm *p = (srpsrvparm *)arg;
 410         if (p->login == NULL && p->user == NULL )
 411                 {
 412                 p->login = SSL_get_srp_username(s);
 413                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 414                 return (-1) ;
 415                 }
 416
 417         if (p->user == NULL)
 418                 {
 419                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 420                 return SSL3_AL_FATAL;
 421                 }
 422         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 423                                      p->user->info) < 0)
 424                 {
 425                 *ad = SSL_AD_INTERNAL_ERROR;
 426                 return SSL3_AL_FATAL;
 427                 }
 428         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 429         /* need to check whether there are memory leaks */
 430         p->user = NULL;
 431         p->login = NULL;
 432         return SSL_ERROR_NONE;
 433         }
 434
 435 #endif
 436
 437 #ifdef MONOLITH
 438 static void s_server_init(void)
 439         {
 440         accept_socket=-1;
 441         s_server_verify=SSL_VERIFY_NONE;
 442         s_dcert_file=NULL;
 443         s_dkey_file=NULL;
 444         s_dchain_file=NULL;
 445         s_cert_file=TEST_CERT;
 446         s_key_file=NULL;
 447         s_chain_file=NULL;
 448 #ifndef OPENSSL_NO_TLSEXT
 449         s_cert_file2=TEST_CERT2;
 450         s_key_file2=NULL;
 451         ctx2=NULL;
 452 #endif
 453 #ifdef FIONBIO
 454         s_nbio=0;
 455 #endif
 456         s_nbio_test=0;
 457         ctx=NULL;
 458         www=0;
 459
 460         bio_s_out=NULL;
 461         s_debug=0;
 462         s_msg=0;
 463         s_quiet=0;
 464         s_brief=0;
 465         hack=0;
 466 #ifndef OPENSSL_NO_ENGINE
 467         engine_id=NULL;
 468 #endif
 469         }
 470 #endif
 471
 472 static void sv_usage(void)
 473         {
 474         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 475         BIO_printf(bio_err,"\n");
 476         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 477         BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
 478         BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
 479         BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
 480         BIO_printf(bio_err," -context arg  - set session ID context\n");
 481         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 482         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 483         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 484         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 485         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 486 #ifndef OPENSSL_NO_TLSEXT
 487         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 488 #endif
 489         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 490                            "                 The CRL(s) are appended to the certificate file\n");
 491         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 492                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 493                            "                 the certificate file.\n");
 494         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 495         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 496         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 497         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 498         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 499         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 500         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 501         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 502         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 503         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 504         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 505         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 506 #ifndef OPENSSL_NO_ECDH
 507         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 508                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 509                            "                 (default is nistp256).\n");
 510 #endif
 511 #ifdef FIONBIO
 512         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 513 #endif
 514         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 515         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 516         BIO_printf(bio_err," -debug        - Print more output\n");
 517         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 518         BIO_printf(bio_err," -state        - Print the SSL states\n");
 519         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 520         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 521         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 522         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 523         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 524         BIO_printf(bio_err," -quiet        - No server output\n");
 525         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 526 #ifndef OPENSSL_NO_PSK
 527         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 528         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 529 # ifndef OPENSSL_NO_JPAKE
 530         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 531 # endif
 532 #endif
 533 #ifndef OPENSSL_NO_SRP
 534         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 535         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 536 #endif
 537         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 538         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 539         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 540         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 541         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 542         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 543         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 544         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 545         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 546         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 547         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 548         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 549         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 550         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 551         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 552 #ifndef OPENSSL_NO_DH
 553         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 554 #endif
 555 #ifndef OPENSSL_NO_ECDH
 556         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 557 #endif
 558         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 559         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 560         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 561         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 562         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 563 #ifndef OPENSSL_NO_ENGINE
 564         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 565 #endif
 566         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 567         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 568 #ifndef OPENSSL_NO_TLSEXT
 569         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 570         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 571         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 572         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 573         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 574         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 575         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 576         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 577         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 578 # ifndef OPENSSL_NO_NEXTPROTONEG
 579         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 580 # endif
 581         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 582         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 583 #endif
 584         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 585         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 586         }
 587
 588 static int local_argc=0;
 589 static char **local_argv;
 590
 591 #ifdef CHARSET_EBCDIC
 592 static int ebcdic_new(BIO *bi);
 593 static int ebcdic_free(BIO *a);
 594 static int ebcdic_read(BIO *b, char *out, int outl);
 595 static int ebcdic_write(BIO *b, const char *in, int inl);
 596 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 597 static int ebcdic_gets(BIO *bp, char *buf, int size);
 598 static int ebcdic_puts(BIO *bp, const char *str);
 599
 600 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 601 static BIO_METHOD methods_ebcdic=
 602         {
 603         BIO_TYPE_EBCDIC_FILTER,
 604         "EBCDIC/ASCII filter",
 605         ebcdic_write,
 606         ebcdic_read,
 607         ebcdic_puts,
 608         ebcdic_gets,
 609         ebcdic_ctrl,
 610         ebcdic_new,
 611         ebcdic_free,
 612         };
 613
 614 typedef struct
 615 {
 616         size_t  alloced;
 617         char    buff[1];
 618 } EBCDIC_OUTBUFF;
 619
 620 BIO_METHOD *BIO_f_ebcdic_filter()
 621 {
 622         return(&methods_ebcdic);
 623 }
 624
 625 static int ebcdic_new(BIO *bi)
 626 {
 627         EBCDIC_OUTBUFF *wbuf;
 628
 629         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 630         wbuf->alloced = 1024;
 631         wbuf->buff[0] = '\0';
 632
 633         bi->ptr=(char *)wbuf;
 634         bi->init=1;
 635         bi->flags=0;
 636         return(1);
 637 }
 638
 639 static int ebcdic_free(BIO *a)
 640 {
 641         if (a == NULL) return(0);
 642         if (a->ptr != NULL)
 643                 OPENSSL_free(a->ptr);
 644         a->ptr=NULL;
 645         a->init=0;
 646         a->flags=0;
 647         return(1);
 648 }
 649
 650 static int ebcdic_read(BIO *b, char *out, int outl)
 651 {
 652         int ret=0;
 653
 654         if (out == NULL || outl == 0) return(0);
 655         if (b->next_bio == NULL) return(0);
 656
 657         ret=BIO_read(b->next_bio,out,outl);
 658         if (ret > 0)
 659                 ascii2ebcdic(out,out,ret);
 660         return(ret);
 661 }
 662
 663 static int ebcdic_write(BIO *b, const char *in, int inl)
 664 {
 665         EBCDIC_OUTBUFF *wbuf;
 666         int ret=0;
 667         int num;
 668         unsigned char n;
 669
 670         if ((in == NULL) || (inl <= 0)) return(0);
 671         if (b->next_bio == NULL) return(0);
 672
 673         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 674
 675         if (inl > (num = wbuf->alloced))
 676         {
 677                 num = num + num;  /* double the size */
 678                 if (num < inl)
 679                         num = inl;
 680                 OPENSSL_free(wbuf);
 681                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 682
 683                 wbuf->alloced = num;
 684                 wbuf->buff[0] = '\0';
 685
 686                 b->ptr=(char *)wbuf;
 687         }
 688
 689         ebcdic2ascii(wbuf->buff, in, inl);
 690
 691         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 692
 693         return(ret);
 694 }
 695
 696 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 697 {
 698         long ret;
 699
 700         if (b->next_bio == NULL) return(0);
 701         switch (cmd)
 702         {
 703         case BIO_CTRL_DUP:
 704                 ret=0L;
 705                 break;
 706         default:
 707                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 708                 break;
 709         }
 710         return(ret);
 711 }
 712
 713 static int ebcdic_gets(BIO *bp, char *buf, int size)
 714 {
 715         int i, ret=0;
 716         if (bp->next_bio == NULL) return(0);
 717 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 718         for (i=0; i<size-1; ++i)
 719         {
 720                 ret = ebcdic_read(bp,&buf[i],1);
 721                 if (ret <= 0)
 722                         break;
 723                 else if (buf[i] == '\n')
 724                 {
 725                         ++i;
 726                         break;
 727                 }
 728         }
 729         if (i < size)
 730                 buf[i] = '\0';
 731         return (ret < 0 && i == 0) ? ret : i;
 732 }
 733
 734 static int ebcdic_puts(BIO *bp, const char *str)
 735 {
 736         if (bp->next_bio == NULL) return(0);
 737         return ebcdic_write(bp, str, strlen(str));
 738 }
 739 #endif
 740
 741 #ifndef OPENSSL_NO_TLSEXT
 742
 743 /* This is a context that we pass to callbacks */
 744 typedef struct tlsextctx_st {
 745    char * servername;
 746    BIO * biodebug;
 747    int extension_error;
 748 } tlsextctx;
 749
 750
 751 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 752         {
 753         tlsextctx * p = (tlsextctx *) arg;
 754         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 755         if (servername && p->biodebug)
 756                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 757
 758         if (!p->servername)
 759                 return SSL_TLSEXT_ERR_NOACK;
 760
 761         if (servername)
 762                 {
 763                 if (strcmp(servername,p->servername))
 764                         return p->extension_error;
 765                 if (ctx2)
 766                         {
 767                         BIO_printf(p->biodebug,"Switching server context.\n");
 768                         SSL_set_SSL_CTX(s,ctx2);
 769                         }
 770                 }
 771         return SSL_TLSEXT_ERR_OK;
 772 }
 773
 774 /* Structure passed to cert status callback */
 775
 776 typedef struct tlsextstatusctx_st {
 777    /* Default responder to use */
 778    char *host, *path, *port;
 779    int use_ssl;
 780    int timeout;
 781    BIO *err;
 782    int verbose;
 783 } tlsextstatusctx;
 784
 785 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 786
 787 /* Certificate Status callback. This is called when a client includes a
 788  * certificate status request extension.
 789  *
 790  * This is a simplified version. It examines certificates each time and
 791  * makes one OCSP responder query for each request.
 792  *
 793  * A full version would store details such as the OCSP certificate IDs and
 794  * minimise the number of OCSP responses by caching them until they were
 795  * considered "expired".
 796  */
 797
 798 static int cert_status_cb(SSL *s, void *arg)
 799         {
 800         tlsextstatusctx *srctx = arg;
 801         BIO *err = srctx->err;
 802         char *host, *port, *path;
 803         int use_ssl;
 804         unsigned char *rspder = NULL;
 805         int rspderlen;
 806         STACK_OF(OPENSSL_STRING) *aia = NULL;
 807         X509 *x = NULL;
 808         X509_STORE_CTX inctx;
 809         X509_OBJECT obj;
 810         OCSP_REQUEST *req = NULL;
 811         OCSP_RESPONSE *resp = NULL;
 812         OCSP_CERTID *id = NULL;
 813         STACK_OF(X509_EXTENSION) *exts;
 814         int ret = SSL_TLSEXT_ERR_NOACK;
 815         int i;
 816 #if 0
 817 STACK_OF(OCSP_RESPID) *ids;
 818 SSL_get_tlsext_status_ids(s, &ids);
 819 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 820 #endif
 821         if (srctx->verbose)
 822                 BIO_puts(err, "cert_status: callback called\n");
 823         /* Build up OCSP query from server certificate */
 824         x = SSL_get_certificate(s);
 825         aia = X509_get1_ocsp(x);
 826         if (aia)
 827                 {
 828                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 829                         &host, &port, &path, &use_ssl))
 830                         {
 831                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 832                         goto err;
 833                         }
 834                 if (srctx->verbose)
 835                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 836                                         sk_OPENSSL_STRING_value(aia, 0));
 837                 }
 838         else
 839                 {
 840                 if (!srctx->host)
 841                         {
 842                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 843                         goto done;
 844                         }
 845                 host = srctx->host;
 846                 path = srctx->path;
 847                 port = srctx->port;
 848                 use_ssl = srctx->use_ssl;
 849                 }
 850
 851         if (!X509_STORE_CTX_init(&inctx,
 852                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 853                                 NULL, NULL))
 854                 goto err;
 855         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 856                                 X509_get_issuer_name(x),&obj) <= 0)
 857                 {
 858                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 859                 X509_STORE_CTX_cleanup(&inctx);
 860                 goto done;
 861                 }
 862         req = OCSP_REQUEST_new();
 863         if (!req)
 864                 goto err;
 865         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 866         X509_free(obj.data.x509);
 867         X509_STORE_CTX_cleanup(&inctx);
 868         if (!id)
 869                 goto err;
 870         if (!OCSP_request_add0_id(req, id))
 871                 goto err;
 872         id = NULL;
 873         /* Add any extensions to the request */
 874         SSL_get_tlsext_status_exts(s, &exts);
 875         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 876                 {
 877                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 878                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 879                         goto err;
 880                 }
 881         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 882                                         srctx->timeout);
 883         if (!resp)
 884                 {
 885                 BIO_puts(err, "cert_status: error querying responder\n");
 886                 goto done;
 887                 }
 888         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 889         if (rspderlen <= 0)
 890                 goto err;
 891         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 892         if (srctx->verbose)
 893                 {
 894                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 895                 OCSP_RESPONSE_print(err, resp, 2);
 896                 }
 897         ret = SSL_TLSEXT_ERR_OK;
 898         done:
 899         if (ret != SSL_TLSEXT_ERR_OK)
 900                 ERR_print_errors(err);
 901         if (aia)
 902                 {
 903                 OPENSSL_free(host);
 904                 OPENSSL_free(path);
 905                 OPENSSL_free(port);
 906                 X509_email_free(aia);
 907                 }
 908         if (id)
 909                 OCSP_CERTID_free(id);
 910         if (req)
 911                 OCSP_REQUEST_free(req);
 912         if (resp)
 913                 OCSP_RESPONSE_free(resp);
 914         return ret;
 915         err:
 916         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 917         goto done;
 918         }
 919
 920 # ifndef OPENSSL_NO_NEXTPROTONEG
 921 /* This is the context that we pass to next_proto_cb */
 922 typedef struct tlsextnextprotoctx_st {
 923         unsigned char *data;
 924         unsigned int len;
 925 } tlsextnextprotoctx;
 926
 927 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 928         {
 929         tlsextnextprotoctx *next_proto = arg;
 930
 931         *data = next_proto->data;
 932         *len = next_proto->len;
 933
 934         return SSL_TLSEXT_ERR_OK;
 935         }
 936 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 937
 938 /* This the context that we pass to alpn_cb */
 939 typedef struct tlsextalpnctx_st {
 940         unsigned char *data;
 941         unsigned short len;
 942 } tlsextalpnctx;
 943
 944 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 945         {
 946         tlsextalpnctx *alpn_ctx = arg;
 947
 948         if (!s_quiet)
 949                 {
 950                 /* We can assume that |in| is syntactically valid. */
 951                 unsigned i;
 952                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 953                 for (i = 0; i < inlen; )
 954                         {
 955                         if (i)
 956                                 BIO_write(bio_s_out, ", ", 2);
 957                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 958                         i += in[i] + 1;
 959                         }
 960                 BIO_write(bio_s_out, "\n", 1);
 961                 }
 962
 963         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 964             OPENSSL_NPN_NEGOTIATED)
 965                 {
 966                 return SSL_TLSEXT_ERR_NOACK;
 967                 }
 968
 969         if (!s_quiet)
 970                 {
 971                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
 972                 BIO_write(bio_s_out, *out, *outlen);
 973                 BIO_write(bio_s_out, "\n", 1);
 974                 }
 975
 976         return SSL_TLSEXT_ERR_OK;
 977         }
 978 #endif  /* ndef OPENSSL_NO_TLSEXT */
 979
 980 int MAIN(int, char **);
 981
 982 #ifndef OPENSSL_NO_JPAKE
 983 static char *jpake_secret = NULL;
 984 #define no_jpake !jpake_secret
 985 #else
 986 #define no_jpake 1
 987 #endif
 988 #ifndef OPENSSL_NO_SRP
 989         static srpsrvparm srp_callback_parm;
 990 #endif
 991 static char *srtp_profiles = NULL;
 992
 993 int MAIN(int argc, char *argv[])
 994         {
 995         X509_VERIFY_PARAM *vpm = NULL;
 996         int badarg = 0;
 997         short port=PORT;
 998         char *CApath=NULL,*CAfile=NULL;
 999         char *chCApath=NULL,*chCAfile=NULL;
1000         char *vfyCApath=NULL,*vfyCAfile=NULL;
1001         unsigned char *context = NULL;
1002         char *dhfile = NULL;
1003         int badop=0;
1004         int ret=1;
1005         int build_chain = 0;
1006         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1007         int state=0;
1008         const SSL_METHOD *meth=NULL;
1009         int socket_type=SOCK_STREAM;
1010         ENGINE *e=NULL;
1011         char *inrand=NULL;
1012         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1013         char *passarg = NULL, *pass = NULL;
1014         char *dpassarg = NULL, *dpass = NULL;
1015         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1016         X509 *s_cert = NULL, *s_dcert = NULL;
1017         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1018         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1019         int no_cache = 0, ext_cache = 0;
1020         int rev = 0, naccept = -1;
1021 #ifndef OPENSSL_NO_TLSEXT
1022         EVP_PKEY *s_key2 = NULL;
1023         X509 *s_cert2 = NULL;
1024         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1025 # ifndef OPENSSL_NO_NEXTPROTONEG
1026         const char *next_proto_neg_in = NULL;
1027         tlsextnextprotoctx next_proto = { NULL, 0};
1028 # endif
1029         const char *alpn_in = NULL;
1030         tlsextalpnctx alpn_ctx = { NULL, 0};
1031 #endif
1032 #ifndef OPENSSL_NO_PSK
1033         /* by default do not send a PSK identity hint */
1034         static char *psk_identity_hint=NULL;
1035 #endif
1036 #ifndef OPENSSL_NO_SRP
1037         char *srpuserseed = NULL;
1038         char *srp_verifier_file = NULL;
1039 #endif
1040         SSL_EXCERT *exc = NULL;
1041         SSL_CONF_CTX *cctx = NULL;
1042         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1043
1044         char *crl_file = NULL;
1045         int crl_format = FORMAT_PEM;
1046         int crl_download = 0;
1047         STACK_OF(X509_CRL) *crls = NULL;
1048
1049         meth=SSLv23_server_method();
1050
1051         local_argc=argc;
1052         local_argv=argv;
1053
1054         apps_startup();
1055 #ifdef MONOLITH
1056         s_server_init();
1057 #endif
1058
1059         if (bio_err == NULL)
1060                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1061
1062         if (!load_config(bio_err, NULL))
1063                 goto end;
1064
1065         cctx = SSL_CONF_CTX_new();
1066         if (!cctx)
1067                 goto end;
1068         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1069         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1070
1071         verify_depth=0;
1072 #ifdef FIONBIO
1073         s_nbio=0;
1074 #endif
1075         s_nbio_test=0;
1076
1077         argc--;
1078         argv++;
1079
1080         while (argc >= 1)
1081                 {
1082                 if      ((strcmp(*argv,"-port") == 0) ||
1083                          (strcmp(*argv,"-accept") == 0))
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         if (!extract_port(*(++argv),&port))
1087                                 goto bad;
1088                         }
1089                 else if (strcmp(*argv,"-naccept") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         naccept = atol(*(++argv));
1093                         if (naccept <= 0)
1094                                 {
1095                                 BIO_printf(bio_err, "bad accept value %s\n",
1096                                                         *argv);
1097                                 goto bad;
1098                                 }
1099                         }
1100                 else if (strcmp(*argv,"-verify") == 0)
1101                         {
1102                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1103                         if (--argc < 1) goto bad;
1104                         verify_depth=atoi(*(++argv));
1105                         if (!s_quiet)
1106                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1107                         }
1108                 else if (strcmp(*argv,"-Verify") == 0)
1109                         {
1110                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1111                                 SSL_VERIFY_CLIENT_ONCE;
1112                         if (--argc < 1) goto bad;
1113                         verify_depth=atoi(*(++argv));
1114                         if (!s_quiet)
1115                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1116                         }
1117                 else if (strcmp(*argv,"-context") == 0)
1118                         {
1119                         if (--argc < 1) goto bad;
1120                         context= (unsigned char *)*(++argv);
1121                         }
1122                 else if (strcmp(*argv,"-cert") == 0)
1123                         {
1124                         if (--argc < 1) goto bad;
1125                         s_cert_file= *(++argv);
1126                         }
1127                 else if (strcmp(*argv,"-CRL") == 0)
1128                         {
1129                         if (--argc < 1) goto bad;
1130                         crl_file= *(++argv);
1131                         }
1132                 else if (strcmp(*argv,"-crl_download") == 0)
1133                         crl_download = 1;
1134 #ifndef OPENSSL_NO_TLSEXT
1135                 else if (strcmp(*argv,"-authz") == 0)
1136                         {
1137                         if (--argc < 1) goto bad;
1138                         s_authz_file = *(++argv);
1139                         }
1140                 else if (strcmp(*argv,"-serverinfo") == 0)
1141                         {
1142                         if (--argc < 1) goto bad;
1143                         s_serverinfo_file = *(++argv);
1144                         }
1145 #endif
1146                 else if (strcmp(*argv,"-certform") == 0)
1147                         {
1148                         if (--argc < 1) goto bad;
1149                         s_cert_format = str2fmt(*(++argv));
1150                         }
1151                 else if (strcmp(*argv,"-key") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         s_key_file= *(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-keyform") == 0)
1157                         {
1158                         if (--argc < 1) goto bad;
1159                         s_key_format = str2fmt(*(++argv));
1160                         }
1161                 else if (strcmp(*argv,"-pass") == 0)
1162                         {
1163                         if (--argc < 1) goto bad;
1164                         passarg = *(++argv);
1165                         }
1166                 else if (strcmp(*argv,"-cert_chain") == 0)
1167                         {
1168                         if (--argc < 1) goto bad;
1169                         s_chain_file= *(++argv);
1170                         }
1171                 else if (strcmp(*argv,"-dhparam") == 0)
1172                         {
1173                         if (--argc < 1) goto bad;
1174                         dhfile = *(++argv);
1175                         }
1176                 else if (strcmp(*argv,"-dcertform") == 0)
1177                         {
1178                         if (--argc < 1) goto bad;
1179                         s_dcert_format = str2fmt(*(++argv));
1180                         }
1181                 else if (strcmp(*argv,"-dcert") == 0)
1182                         {
1183                         if (--argc < 1) goto bad;
1184                         s_dcert_file= *(++argv);
1185                         }
1186                 else if (strcmp(*argv,"-dkeyform") == 0)
1187                         {
1188                         if (--argc < 1) goto bad;
1189                         s_dkey_format = str2fmt(*(++argv));
1190                         }
1191                 else if (strcmp(*argv,"-dpass") == 0)
1192                         {
1193                         if (--argc < 1) goto bad;
1194                         dpassarg = *(++argv);
1195                         }
1196                 else if (strcmp(*argv,"-dkey") == 0)
1197                         {
1198                         if (--argc < 1) goto bad;
1199                         s_dkey_file= *(++argv);
1200                         }
1201                 else if (strcmp(*argv,"-dcert_chain") == 0)
1202                         {
1203                         if (--argc < 1) goto bad;
1204                         s_dchain_file= *(++argv);
1205                         }
1206                 else if (strcmp(*argv,"-nocert") == 0)
1207                         {
1208                         nocert=1;
1209                         }
1210                 else if (strcmp(*argv,"-CApath") == 0)
1211                         {
1212                         if (--argc < 1) goto bad;
1213                         CApath= *(++argv);
1214                         }
1215                 else if (strcmp(*argv,"-chainCApath") == 0)
1216                         {
1217                         if (--argc < 1) goto bad;
1218                         chCApath= *(++argv);
1219                         }
1220                 else if (strcmp(*argv,"-verifyCApath") == 0)
1221                         {
1222                         if (--argc < 1) goto bad;
1223                         vfyCApath= *(++argv);
1224                         }
1225                 else if (strcmp(*argv,"-no_cache") == 0)
1226                         no_cache = 1;
1227                 else if (strcmp(*argv,"-ext_cache") == 0)
1228                         ext_cache = 1;
1229                 else if (strcmp(*argv,"-CRLform") == 0)
1230                         {
1231                         if (--argc < 1) goto bad;
1232                         crl_format = str2fmt(*(++argv));
1233                         }
1234                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1235                         {
1236                         if (badarg)
1237                                 goto bad;
1238                         continue;
1239                         }
1240                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1241                         {
1242                         if (badarg)
1243                                 goto bad;
1244                         continue;
1245                         }
1246                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1247                         {
1248                         if (badarg)
1249                                 goto bad;
1250                         continue;
1251                         }
1252                 else if (strcmp(*argv,"-verify_return_error") == 0)
1253                         verify_return_error = 1;
1254                 else if (strcmp(*argv,"-verify_quiet") == 0)
1255                         verify_quiet = 1;
1256                 else if (strcmp(*argv,"-build_chain") == 0)
1257                         build_chain = 1;
1258                 else if (strcmp(*argv,"-CAfile") == 0)
1259                         {
1260                         if (--argc < 1) goto bad;
1261                         CAfile= *(++argv);
1262                         }
1263                 else if (strcmp(*argv,"-chainCAfile") == 0)
1264                         {
1265                         if (--argc < 1) goto bad;
1266                         chCAfile= *(++argv);
1267                         }
1268                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1269                         {
1270                         if (--argc < 1) goto bad;
1271                         vfyCAfile= *(++argv);
1272                         }
1273 #ifdef FIONBIO
1274                 else if (strcmp(*argv,"-nbio") == 0)
1275                         { s_nbio=1; }
1276 #endif
1277                 else if (strcmp(*argv,"-nbio_test") == 0)
1278                         {
1279 #ifdef FIONBIO
1280                         s_nbio=1;
1281 #endif
1282                         s_nbio_test=1;
1283                         }
1284                 else if (strcmp(*argv,"-ign_eof") == 0)
1285                         s_ign_eof=1;
1286                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1287                         s_ign_eof=0;
1288                 else if (strcmp(*argv,"-debug") == 0)
1289                         { s_debug=1; }
1290 #ifndef OPENSSL_NO_TLSEXT
1291                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1292                         s_tlsextdebug=1;
1293                 else if (strcmp(*argv,"-status") == 0)
1294                         s_tlsextstatus=1;
1295                 else if (strcmp(*argv,"-status_verbose") == 0)
1296                         {
1297                         s_tlsextstatus=1;
1298                         tlscstatp.verbose = 1;
1299                         }
1300                 else if (!strcmp(*argv, "-status_timeout"))
1301                         {
1302                         s_tlsextstatus=1;
1303                         if (--argc < 1) goto bad;
1304                         tlscstatp.timeout = atoi(*(++argv));
1305                         }
1306                 else if (!strcmp(*argv, "-status_url"))
1307                         {
1308                         s_tlsextstatus=1;
1309                         if (--argc < 1) goto bad;
1310                         if (!OCSP_parse_url(*(++argv),
1311                                         &tlscstatp.host,
1312                                         &tlscstatp.port,
1313                                         &tlscstatp.path,
1314                                         &tlscstatp.use_ssl))
1315                                 {
1316                                 BIO_printf(bio_err, "Error parsing URL\n");
1317                                 goto bad;
1318                                 }
1319                         }
1320 #endif
1321                 else if (strcmp(*argv,"-msg") == 0)
1322                         { s_msg=1; }
1323                 else if (strcmp(*argv,"-msgfile") == 0)
1324                         {
1325                         if (--argc < 1) goto bad;
1326                         bio_s_msg = BIO_new_file(*(++argv), "w");
1327                         }
1328 #ifndef OPENSSL_NO_SSL_TRACE
1329                 else if (strcmp(*argv,"-trace") == 0)
1330                         { s_msg=2; }
1331 #endif
1332                 else if (strcmp(*argv,"-hack") == 0)
1333                         { hack=1; }
1334                 else if (strcmp(*argv,"-state") == 0)
1335                         { state=1; }
1336                 else if (strcmp(*argv,"-crlf") == 0)
1337                         { s_crlf=1; }
1338                 else if (strcmp(*argv,"-quiet") == 0)
1339                         { s_quiet=1; }
1340                 else if (strcmp(*argv,"-brief") == 0)
1341                         {
1342                         s_quiet=1;
1343                         s_brief=1;
1344                         verify_quiet=1;
1345                         }
1346                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1347                         { no_tmp_rsa=1; }
1348                 else if (strcmp(*argv,"-no_dhe") == 0)
1349                         { no_dhe=1; }
1350                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1351                         { no_ecdhe=1; }
1352                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1353                         { no_resume_ephemeral = 1; }
1354 #ifndef OPENSSL_NO_PSK
1355                 else if (strcmp(*argv,"-psk_hint") == 0)
1356                         {
1357                         if (--argc < 1) goto bad;
1358                         psk_identity_hint= *(++argv);
1359                         }
1360                 else if (strcmp(*argv,"-psk") == 0)
1361                         {
1362                         size_t i;
1363
1364                         if (--argc < 1) goto bad;
1365                         psk_key=*(++argv);
1366                         for (i=0; i<strlen(psk_key); i++)
1367                                 {
1368                                 if (isxdigit((unsigned char)psk_key[i]))
1369                                         continue;
1370                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1371                                 goto bad;
1372                                 }
1373                         }
1374 #endif
1375 #ifndef OPENSSL_NO_SRP
1376                 else if (strcmp(*argv, "-srpvfile") == 0)
1377                         {
1378                         if (--argc < 1) goto bad;
1379                         srp_verifier_file = *(++argv);
1380                         meth = TLSv1_server_method();
1381                         }
1382                 else if (strcmp(*argv, "-srpuserseed") == 0)
1383                         {
1384                         if (--argc < 1) goto bad;
1385                         srpuserseed = *(++argv);
1386                         meth = TLSv1_server_method();
1387                         }
1388 #endif
1389                 else if (strcmp(*argv,"-rev") == 0)
1390                         { rev=1; }
1391                 else if (strcmp(*argv,"-www") == 0)
1392                         { www=1; }
1393                 else if (strcmp(*argv,"-WWW") == 0)
1394                         { www=2; }
1395                 else if (strcmp(*argv,"-HTTP") == 0)
1396                         { www=3; }
1397 #ifndef OPENSSL_NO_SSL2
1398                 else if (strcmp(*argv,"-ssl2") == 0)
1399                         { meth=SSLv2_server_method(); }
1400 #endif
1401 #ifndef OPENSSL_NO_SSL3
1402                 else if (strcmp(*argv,"-ssl3") == 0)
1403                         { meth=SSLv3_server_method(); }
1404 #endif
1405 #ifndef OPENSSL_NO_TLS1
1406                 else if (strcmp(*argv,"-tls1") == 0)
1407                         { meth=TLSv1_server_method(); }
1408                 else if (strcmp(*argv,"-tls1_1") == 0)
1409                         { meth=TLSv1_1_server_method(); }
1410                 else if (strcmp(*argv,"-tls1_2") == 0)
1411                         { meth=TLSv1_2_server_method(); }
1412 #endif
1413 #ifndef OPENSSL_NO_DTLS1
1414                 else if (strcmp(*argv,"-dtls") == 0)
1415                         {
1416                         meth=DTLS_server_method();
1417                         socket_type = SOCK_DGRAM;
1418                         }
1419                 else if (strcmp(*argv,"-dtls1") == 0)
1420                         {
1421                         meth=DTLSv1_server_method();
1422                         socket_type = SOCK_DGRAM;
1423                         }
1424                 else if (strcmp(*argv,"-dtls1_2") == 0)
1425                         {
1426                         meth=DTLSv1_2_server_method();
1427                         socket_type = SOCK_DGRAM;
1428                         }
1429                 else if (strcmp(*argv,"-timeout") == 0)
1430                         enable_timeouts = 1;
1431                 else if (strcmp(*argv,"-mtu") == 0)
1432                         {
1433                         if (--argc < 1) goto bad;
1434                         socket_mtu = atol(*(++argv));
1435                         }
1436                 else if (strcmp(*argv, "-chain") == 0)
1437                         cert_chain = 1;
1438 #endif
1439                 else if (strcmp(*argv, "-id_prefix") == 0)
1440                         {
1441                         if (--argc < 1) goto bad;
1442                         session_id_prefix = *(++argv);
1443                         }
1444 #ifndef OPENSSL_NO_ENGINE
1445                 else if (strcmp(*argv,"-engine") == 0)
1446                         {
1447                         if (--argc < 1) goto bad;
1448                         engine_id= *(++argv);
1449                         }
1450 #endif
1451                 else if (strcmp(*argv,"-rand") == 0)
1452                         {
1453                         if (--argc < 1) goto bad;
1454                         inrand= *(++argv);
1455                         }
1456 #ifndef OPENSSL_NO_TLSEXT
1457                 else if (strcmp(*argv,"-servername") == 0)
1458                         {
1459                         if (--argc < 1) goto bad;
1460                         tlsextcbp.servername= *(++argv);
1461                         }
1462                 else if (strcmp(*argv,"-servername_fatal") == 0)
1463                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1464                 else if (strcmp(*argv,"-cert2") == 0)
1465                         {
1466                         if (--argc < 1) goto bad;
1467                         s_cert_file2= *(++argv);
1468                         }
1469                 else if (strcmp(*argv,"-key2") == 0)
1470                         {
1471                         if (--argc < 1) goto bad;
1472                         s_key_file2= *(++argv);
1473                         }
1474 # ifndef OPENSSL_NO_NEXTPROTONEG
1475                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1476                         {
1477                         if (--argc < 1) goto bad;
1478                         next_proto_neg_in = *(++argv);
1479                         }
1480 # endif
1481                 else if (strcmp(*argv,"-alpn") == 0)
1482                         {
1483                         if (--argc < 1) goto bad;
1484                         alpn_in = *(++argv);
1485                         }
1486 #endif
1487 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1488                 else if (strcmp(*argv,"-jpake") == 0)
1489                         {
1490                         if (--argc < 1) goto bad;
1491                         jpake_secret = *(++argv);
1492                         }
1493 #endif
1494                 else if (strcmp(*argv,"-use_srtp") == 0)
1495                         {
1496                         if (--argc < 1) goto bad;
1497                         srtp_profiles = *(++argv);
1498                         }
1499                 else if (strcmp(*argv,"-keymatexport") == 0)
1500                         {
1501                         if (--argc < 1) goto bad;
1502                         keymatexportlabel= *(++argv);
1503                         }
1504                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1505                         {
1506                         if (--argc < 1) goto bad;
1507                         keymatexportlen=atoi(*(++argv));
1508                         if (keymatexportlen == 0) goto bad;
1509                         }
1510                 else
1511                         {
1512                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1513                         badop=1;
1514                         break;
1515                         }
1516                 argc--;
1517                 argv++;
1518                 }
1519         if (badop)
1520                 {
1521 bad:
1522                 sv_usage();
1523                 goto end;
1524                 }
1525
1526 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1527         if (jpake_secret)
1528                 {
1529                 if (psk_key)
1530                         {
1531                         BIO_printf(bio_err,
1532                                    "Can't use JPAKE and PSK together\n");
1533                         goto end;
1534                         }
1535                 psk_identity = "JPAKE";
1536                 }
1537 #endif
1538
1539         SSL_load_error_strings();
1540         OpenSSL_add_ssl_algorithms();
1541
1542 #ifndef OPENSSL_NO_ENGINE
1543         e = setup_engine(bio_err, engine_id, 1);
1544 #endif
1545
1546         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1547                 {
1548                 BIO_printf(bio_err, "Error getting password\n");
1549                 goto end;
1550                 }
1551
1552
1553         if (s_key_file == NULL)
1554                 s_key_file = s_cert_file;
1555 #ifndef OPENSSL_NO_TLSEXT
1556         if (s_key_file2 == NULL)
1557                 s_key_file2 = s_cert_file2;
1558 #endif
1559
1560         if (!load_excert(&exc, bio_err))
1561                 goto end;
1562
1563         if (nocert == 0)
1564                 {
1565                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1566                        "server certificate private key file");
1567                 if (!s_key)
1568                         {
1569                         ERR_print_errors(bio_err);
1570                         goto end;
1571                         }
1572
1573                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1574                         NULL, e, "server certificate file");
1575
1576                 if (!s_cert)
1577                         {
1578                         ERR_print_errors(bio_err);
1579                         goto end;
1580                         }
1581                 if (s_chain_file)
1582                         {
1583                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1584                                         NULL, e, "server certificate chain");
1585                         if (!s_chain)
1586                                 goto end;
1587                         }
1588
1589 #ifndef OPENSSL_NO_TLSEXT
1590                 if (tlsextcbp.servername)
1591                         {
1592                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1593                                 "second server certificate private key file");
1594                         if (!s_key2)
1595                                 {
1596                                 ERR_print_errors(bio_err);
1597                                 goto end;
1598                                 }
1599
1600                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1601                                 NULL, e, "second server certificate file");
1602
1603                         if (!s_cert2)
1604                                 {
1605                                 ERR_print_errors(bio_err);
1606                                 goto end;
1607                                 }
1608                         }
1609 #endif /* OPENSSL_NO_TLSEXT */
1610                 }
1611
1612 #if !defined(OPENSSL_NO_TLSEXT)
1613 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1614         if (next_proto_neg_in)
1615                 {
1616                 unsigned short len;
1617                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1618                 if (next_proto.data == NULL)
1619                         goto end;
1620                 next_proto.len = len;
1621                 }
1622         else
1623                 {
1624                 next_proto.data = NULL;
1625                 }
1626 # endif
1627         alpn_ctx.data = NULL;
1628         if (alpn_in)
1629                 {
1630                 unsigned short len;
1631                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1632                 if (alpn_ctx.data == NULL)
1633                         goto end;
1634                 alpn_ctx.len = len;
1635                 }
1636 #endif
1637
1638         if (crl_file)
1639                 {
1640                 X509_CRL *crl;
1641                 crl = load_crl(crl_file, crl_format);
1642                 if (!crl)
1643                         {
1644                         BIO_puts(bio_err, "Error loading CRL\n");
1645                         ERR_print_errors(bio_err);
1646                         goto end;
1647                         }
1648                 crls = sk_X509_CRL_new_null();
1649                 if (!crls || !sk_X509_CRL_push(crls, crl))
1650                         {
1651                         BIO_puts(bio_err, "Error adding CRL\n");
1652                         ERR_print_errors(bio_err);
1653                         X509_CRL_free(crl);
1654                         goto end;
1655                         }
1656                 }
1657
1658
1659         if (s_dcert_file)
1660                 {
1661
1662                 if (s_dkey_file == NULL)
1663                         s_dkey_file = s_dcert_file;
1664
1665                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1666                                 0, dpass, e,
1667                                "second certificate private key file");
1668                 if (!s_dkey)
1669                         {
1670                         ERR_print_errors(bio_err);
1671                         goto end;
1672                         }
1673
1674                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1675                                 NULL, e, "second server certificate file");
1676
1677                 if (!s_dcert)
1678                         {
1679                         ERR_print_errors(bio_err);
1680                         goto end;
1681                         }
1682                 if (s_dchain_file)
1683                         {
1684                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1685                                 NULL, e, "second server certificate chain");
1686                         if (!s_dchain)
1687                                 goto end;
1688                         }
1689
1690                 }
1691
1692         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1693                 && !RAND_status())
1694                 {
1695                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1696                 }
1697         if (inrand != NULL)
1698                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1699                         app_RAND_load_files(inrand));
1700
1701         if (bio_s_out == NULL)
1702                 {
1703                 if (s_quiet && !s_debug)
1704                         {
1705                         bio_s_out=BIO_new(BIO_s_null());
1706                         if (s_msg && !bio_s_msg)
1707                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1708                         }
1709                 else
1710                         {
1711                         if (bio_s_out == NULL)
1712                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1713                         }
1714                 }
1715
1716 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1717         if (nocert)
1718 #endif
1719                 {
1720                 s_cert_file=NULL;
1721                 s_key_file=NULL;
1722                 s_dcert_file=NULL;
1723                 s_dkey_file=NULL;
1724 #ifndef OPENSSL_NO_TLSEXT
1725                 s_cert_file2=NULL;
1726                 s_key_file2=NULL;
1727 #endif
1728                 }
1729
1730         ctx=SSL_CTX_new(meth);
1731         if (ctx == NULL)
1732                 {
1733                 ERR_print_errors(bio_err);
1734                 goto end;
1735                 }
1736         if (session_id_prefix)
1737                 {
1738                 if(strlen(session_id_prefix) >= 32)
1739                         BIO_printf(bio_err,
1740 "warning: id_prefix is too long, only one new session will be possible\n");
1741                 else if(strlen(session_id_prefix) >= 16)
1742                         BIO_printf(bio_err,
1743 "warning: id_prefix is too long if you use SSLv2\n");
1744                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1745                         {
1746                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1747                         ERR_print_errors(bio_err);
1748                         goto end;
1749                         }
1750                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1751                 }
1752         SSL_CTX_set_quiet_shutdown(ctx,1);
1753         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1754         if (exc) ssl_ctx_set_excert(ctx, exc);
1755         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1756          * Setting read ahead solves this problem.
1757          */
1758         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1759
1760         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1761         if (no_cache)
1762                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1763         else if (ext_cache)
1764                 init_session_cache_ctx(ctx);
1765         else
1766                 SSL_CTX_sess_set_cache_size(ctx,128);
1767
1768         if (srtp_profiles != NULL)
1769                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1770
1771 #if 0
1772         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1773 #endif
1774
1775 #if 0
1776         if (s_cert_file == NULL)
1777                 {
1778                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1779                 goto end;
1780                 }
1781 #endif
1782
1783         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1784                 (!SSL_CTX_set_default_verify_paths(ctx)))
1785                 {
1786                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1787                 ERR_print_errors(bio_err);
1788                 /* goto end; */
1789                 }
1790         if (vpm)
1791                 SSL_CTX_set1_param(ctx, vpm);
1792
1793         ssl_ctx_add_crls(ctx, crls, 0);
1794
1795         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1796                 goto end;
1797
1798         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1799                                                 crls, crl_download))
1800                 {
1801                 BIO_printf(bio_err, "Error loading store locations\n");
1802                 ERR_print_errors(bio_err);
1803                 goto end;
1804                 }
1805
1806 #ifndef OPENSSL_NO_TLSEXT
1807         if (s_cert2)
1808                 {
1809                 ctx2=SSL_CTX_new(meth);
1810                 if (ctx2 == NULL)
1811                         {
1812                         ERR_print_errors(bio_err);
1813                         goto end;
1814                         }
1815                 }
1816
1817         if (ctx2)
1818                 {
1819                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1820
1821                 if (session_id_prefix)
1822                         {
1823                         if(strlen(session_id_prefix) >= 32)
1824                                 BIO_printf(bio_err,
1825                                         "warning: id_prefix is too long, only one new session will be possible\n");
1826                         else if(strlen(session_id_prefix) >= 16)
1827                                 BIO_printf(bio_err,
1828                                         "warning: id_prefix is too long if you use SSLv2\n");
1829                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1830                                 {
1831                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1832                                 ERR_print_errors(bio_err);
1833                                 goto end;
1834                                 }
1835                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1836                         }
1837                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1838                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1839                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1840                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1841                  * Setting read ahead solves this problem.
1842                  */
1843                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1844
1845                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1846
1847                 if (no_cache)
1848                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1849                 else if (ext_cache)
1850                         init_session_cache_ctx(ctx2);
1851                 else
1852                         SSL_CTX_sess_set_cache_size(ctx2,128);
1853
1854                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1855                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1856                         {
1857                         ERR_print_errors(bio_err);
1858                         }
1859                 if (vpm)
1860                         SSL_CTX_set1_param(ctx2, vpm);
1861
1862                 ssl_ctx_add_crls(ctx2, crls, 0);
1863
1864                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1865                         goto end;
1866
1867                 }
1868
1869 # ifndef OPENSSL_NO_NEXTPROTONEG
1870         if (next_proto.data)
1871                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1872 # endif
1873         if (alpn_ctx.data)
1874                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1875 #endif
1876
1877 #ifndef OPENSSL_NO_DH
1878         if (!no_dhe)
1879                 {
1880                 DH *dh=NULL;
1881
1882                 if (dhfile)
1883                         dh = load_dh_param(dhfile);
1884                 else if (s_cert_file)
1885                         dh = load_dh_param(s_cert_file);
1886
1887                 if (dh != NULL)
1888                         {
1889                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1890                         }
1891                 else
1892                         {
1893                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1894                         dh=get_dh512();
1895                         }
1896                 (void)BIO_flush(bio_s_out);
1897
1898                 SSL_CTX_set_tmp_dh(ctx,dh);
1899 #ifndef OPENSSL_NO_TLSEXT
1900                 if (ctx2)
1901                         {
1902                         if (!dhfile)
1903                                 {
1904                                 DH *dh2=load_dh_param(s_cert_file2);
1905                                 if (dh2 != NULL)
1906                                         {
1907                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1908                                         (void)BIO_flush(bio_s_out);
1909
1910                                         DH_free(dh);
1911                                         dh = dh2;
1912                                         }
1913                                 }
1914                         SSL_CTX_set_tmp_dh(ctx2,dh);
1915                         }
1916 #endif
1917                 DH_free(dh);
1918                 }
1919 #endif
1920
1921         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1922                 goto end;
1923 #ifndef OPENSSL_NO_TLSEXT
1924         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1925                 goto end;
1926         if (s_serverinfo_file != NULL
1927             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1928                 {
1929                 ERR_print_errors(bio_err);
1930                 goto end;
1931                 }
1932 #endif
1933 #ifndef OPENSSL_NO_TLSEXT
1934         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1935                 goto end;
1936 #endif
1937         if (s_dcert != NULL)
1938                 {
1939                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1940                         goto end;
1941                 }
1942
1943 #ifndef OPENSSL_NO_RSA
1944 #if 1
1945         if (!no_tmp_rsa)
1946                 {
1947                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1948 #ifndef OPENSSL_NO_TLSEXT
1949                 if (ctx2)
1950                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1951 #endif
1952                 }
1953 #else
1954         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1955                 {
1956                 RSA *rsa;
1957
1958                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1959                 BIO_flush(bio_s_out);
1960
1961                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1962
1963                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1964                         {
1965                         ERR_print_errors(bio_err);
1966                         goto end;
1967                         }
1968 #ifndef OPENSSL_NO_TLSEXT
1969                         if (ctx2)
1970                                 {
1971                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1972                                         {
1973                                         ERR_print_errors(bio_err);
1974                                         goto end;
1975                                         }
1976                                 }
1977 #endif
1978                 RSA_free(rsa);
1979                 BIO_printf(bio_s_out,"\n");
1980                 }
1981 #endif
1982 #endif
1983
1984 #ifndef OPENSSL_NO_PSK
1985 #ifdef OPENSSL_NO_JPAKE
1986         if (psk_key != NULL)
1987 #else
1988         if (psk_key != NULL || jpake_secret)
1989 #endif
1990                 {
1991                 if (s_debug)
1992                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1993                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1994                 }
1995
1996         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1997                 {
1998                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1999                 ERR_print_errors(bio_err);
2000                 goto end;
2001                 }
2002 #endif
2003
2004         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2005         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2006                 sizeof s_server_session_id_context);
2007
2008         /* Set DTLS cookie generation and verification callbacks */
2009         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2010         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2011
2012 #ifndef OPENSSL_NO_TLSEXT
2013         if (ctx2)
2014                 {
2015                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2016                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2017                         sizeof s_server_session_id_context);
2018
2019                 tlsextcbp.biodebug = bio_s_out;
2020                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2021                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2022                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2023                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2024                 }
2025 #endif
2026
2027 #ifndef OPENSSL_NO_SRP
2028         if (srp_verifier_file != NULL)
2029                 {
2030                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2031                 srp_callback_parm.user = NULL;
2032                 srp_callback_parm.login = NULL;
2033                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2034                         {
2035                         BIO_printf(bio_err,
2036                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2037                                    srp_verifier_file, ret);
2038                                 goto end;
2039                         }
2040                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2041                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2042                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2043                 }
2044         else
2045 #endif
2046         if (CAfile != NULL)
2047                 {
2048                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2049 #ifndef OPENSSL_NO_TLSEXT
2050                 if (ctx2)
2051                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2052 #endif
2053                 }
2054
2055         BIO_printf(bio_s_out,"ACCEPT\n");
2056         (void)BIO_flush(bio_s_out);
2057         if (rev)
2058                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2059         else if (www)
2060                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2061         else
2062                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2063         print_stats(bio_s_out,ctx);
2064         ret=0;
2065 end:
2066         if (ctx != NULL) SSL_CTX_free(ctx);
2067         if (s_cert)
2068                 X509_free(s_cert);
2069         if (crls)
2070                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2071         if (s_dcert)
2072                 X509_free(s_dcert);
2073         if (s_key)
2074                 EVP_PKEY_free(s_key);
2075         if (s_dkey)
2076                 EVP_PKEY_free(s_dkey);
2077         if (s_chain)
2078                 sk_X509_pop_free(s_chain, X509_free);
2079         if (s_dchain)
2080                 sk_X509_pop_free(s_dchain, X509_free);
2081         if (pass)
2082                 OPENSSL_free(pass);
2083         if (dpass)
2084                 OPENSSL_free(dpass);
2085         if (vpm)
2086                 X509_VERIFY_PARAM_free(vpm);
2087         free_sessions();
2088 #ifndef OPENSSL_NO_TLSEXT
2089         if (tlscstatp.host)
2090                 OPENSSL_free(tlscstatp.host);
2091         if (tlscstatp.port)
2092                 OPENSSL_free(tlscstatp.port);
2093         if (tlscstatp.path)
2094                 OPENSSL_free(tlscstatp.path);
2095         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2096         if (s_cert2)
2097                 X509_free(s_cert2);
2098         if (s_key2)
2099                 EVP_PKEY_free(s_key2);
2100         if (authz_in != NULL)
2101                 BIO_free(authz_in);
2102         if (serverinfo_in != NULL)
2103                 BIO_free(serverinfo_in);
2104 # ifndef OPENSSL_NO_NEXTPROTONEG
2105         if (next_proto.data)
2106                 OPENSSL_free(next_proto.data);
2107 # endif
2108         if (alpn_ctx.data)
2109                 OPENSSL_free(alpn_ctx.data);
2110 #endif
2111         ssl_excert_free(exc);
2112         if (ssl_args)
2113                 sk_OPENSSL_STRING_free(ssl_args);
2114         if (cctx)
2115                 SSL_CONF_CTX_free(cctx);
2116 #ifndef OPENSSL_NO_JPAKE
2117         if (jpake_secret && psk_key)
2118                 OPENSSL_free(psk_key);
2119 #endif
2120         if (bio_s_out != NULL)
2121                 {
2122                 BIO_free(bio_s_out);
2123                 bio_s_out=NULL;
2124                 }
2125         if (bio_s_msg != NULL)
2126                 {
2127                 BIO_free(bio_s_msg);
2128                 bio_s_msg = NULL;
2129                 }
2130         apps_shutdown();
2131         OPENSSL_EXIT(ret);
2132         }
2133
2134 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2135         {
2136         BIO_printf(bio,"%4ld items in the session cache\n",
2137                 SSL_CTX_sess_number(ssl_ctx));
2138         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2139                 SSL_CTX_sess_connect(ssl_ctx));
2140         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2141                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2142         BIO_printf(bio,"%4ld client connects that finished\n",
2143                 SSL_CTX_sess_connect_good(ssl_ctx));
2144         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2145                 SSL_CTX_sess_accept(ssl_ctx));
2146         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2147                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2148         BIO_printf(bio,"%4ld server accepts that finished\n",
2149                 SSL_CTX_sess_accept_good(ssl_ctx));
2150         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2151         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2152         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2153         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2154         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2155                 SSL_CTX_sess_cache_full(ssl_ctx),
2156                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2157         }
2158
2159 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2160         {
2161         char *buf=NULL;
2162         fd_set readfds;
2163         int ret=1,width;
2164         int k,i;
2165         unsigned long l;
2166         SSL *con=NULL;
2167         BIO *sbio;
2168 #ifndef OPENSSL_NO_KRB5
2169         KSSL_CTX *kctx;
2170 #endif
2171         struct timeval timeout;
2172 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2173         struct timeval tv;
2174 #else
2175         struct timeval *timeoutp;
2176 #endif
2177
2178         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2179                 {
2180                 BIO_printf(bio_err,"out of memory\n");
2181                 goto err;
2182                 }
2183 #ifdef FIONBIO
2184         if (s_nbio)
2185                 {
2186                 unsigned long sl=1;
2187
2188                 if (!s_quiet)
2189                         BIO_printf(bio_err,"turning on non blocking io\n");
2190                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2191                         ERR_print_errors(bio_err);
2192                 }
2193 #endif
2194
2195         if (con == NULL) {
2196                 con=SSL_new(ctx);
2197 #ifndef OPENSSL_NO_TLSEXT
2198         if (s_tlsextdebug)
2199                 {
2200                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2201                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2202                 }
2203         if (s_tlsextstatus)
2204                 {
2205                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2206                 tlscstatp.err = bio_err;
2207                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2208                 }
2209 #endif
2210 #ifndef OPENSSL_NO_KRB5
2211                 if ((kctx = kssl_ctx_new()) != NULL)
2212                         {
2213                         SSL_set0_kssl_ctx(con, kctx);
2214                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2215                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2216                         }
2217 #endif  /* OPENSSL_NO_KRB5 */
2218                 if(context)
2219                       SSL_set_session_id_context(con, context,
2220                                                  strlen((char *)context));
2221         }
2222         SSL_clear(con);
2223 #if 0
2224 #ifdef TLSEXT_TYPE_opaque_prf_input
2225         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2226 #endif
2227 #endif
2228
2229         if (stype == SOCK_DGRAM)
2230                 {
2231
2232                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2233
2234                 if (enable_timeouts)
2235                         {
2236                         timeout.tv_sec = 0;
2237                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2238                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2239
2240                         timeout.tv_sec = 0;
2241                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2242                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2243                         }
2244
2245                 if (socket_mtu > 28)
2246                         {
2247                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2248                         SSL_set_mtu(con, socket_mtu - 28);
2249                         }
2250                 else
2251                         /* want to do MTU discovery */
2252                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2253
2254         /* turn on cookie exchange */
2255         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2256                 }
2257         else
2258                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2259
2260         if (s_nbio_test)
2261                 {
2262                 BIO *test;
2263
2264                 test=BIO_new(BIO_f_nbio_test());
2265                 sbio=BIO_push(test,sbio);
2266                 }
2267 #ifndef OPENSSL_NO_JPAKE
2268         if(jpake_secret)
2269                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2270 #endif
2271
2272         SSL_set_bio(con,sbio,sbio);
2273         SSL_set_accept_state(con);
2274         /* SSL_set_fd(con,s); */
2275
2276         if (s_debug)
2277                 {
2278                 SSL_set_debug(con, 1);
2279                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2280                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2281                 }
2282         if (s_msg)
2283                 {
2284 #ifndef OPENSSL_NO_SSL_TRACE
2285                 if (s_msg == 2)
2286                         SSL_set_msg_callback(con, SSL_trace);
2287                 else
2288 #endif
2289                         SSL_set_msg_callback(con, msg_cb);
2290                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2291                 }
2292 #ifndef OPENSSL_NO_TLSEXT
2293         if (s_tlsextdebug)
2294                 {
2295                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2296                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2297                 }
2298 #endif
2299
2300         width=s+1;
2301         for (;;)
2302                 {
2303                 int read_from_terminal;
2304                 int read_from_sslcon;
2305
2306                 read_from_terminal = 0;
2307                 read_from_sslcon = SSL_pending(con);
2308
2309                 if (!read_from_sslcon)
2310                         {
2311                         FD_ZERO(&readfds);
2312 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2313                         openssl_fdset(fileno(stdin),&readfds);
2314 #endif
2315                         openssl_fdset(s,&readfds);
2316                         /* Note: under VMS with SOCKETSHR the second parameter is
2317                          * currently of type (int *) whereas under other systems
2318                          * it is (void *) if you don't have a cast it will choke
2319                          * the compiler: if you do have a cast then you can either
2320                          * go for (int *) or (void *).
2321                          */
2322 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2323                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2324                          * on sockets. As a workaround we timeout the select every
2325                          * second and check for any keypress. In a proper Windows
2326                          * application we wouldn't do this because it is inefficient.
2327                          */
2328                         tv.tv_sec = 1;
2329                         tv.tv_usec = 0;
2330                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2331                         if((i < 0) || (!i && !_kbhit() ) )continue;
2332                         if(_kbhit())
2333                                 read_from_terminal = 1;
2334 #elif defined(OPENSSL_SYS_BEOS_R5)
2335                         /* Under BeOS-R5 the situation is similar to DOS */
2336                         tv.tv_sec = 1;
2337                         tv.tv_usec = 0;
2338                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2339                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2340                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2341                                 continue;
2342                         if (read(fileno(stdin), buf, 0) >= 0)
2343                                 read_from_terminal = 1;
2344                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2345 #else
2346                         if ((SSL_version(con) == DTLS1_VERSION) &&
2347                                 DTLSv1_get_timeout(con, &timeout))
2348                                 timeoutp = &timeout;
2349                         else
2350                                 timeoutp = NULL;
2351
2352                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2353
2354                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2355                                 {
2356                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2357                                 }
2358
2359                         if (i <= 0) continue;
2360                         if (FD_ISSET(fileno(stdin),&readfds))
2361                                 read_from_terminal = 1;
2362 #endif
2363                         if (FD_ISSET(s,&readfds))
2364                                 read_from_sslcon = 1;
2365                         }
2366                 if (read_from_terminal)
2367                         {
2368                         if (s_crlf)
2369                                 {
2370                                 int j, lf_num;
2371
2372                                 i=raw_read_stdin(buf, bufsize/2);
2373                                 lf_num = 0;
2374                                 /* both loops are skipped when i <= 0 */
2375                                 for (j = 0; j < i; j++)
2376                                         if (buf[j] == '\n')
2377                                                 lf_num++;
2378                                 for (j = i-1; j >= 0; j--)
2379                                         {
2380                                         buf[j+lf_num] = buf[j];
2381                                         if (buf[j] == '\n')
2382                                                 {
2383                                                 lf_num--;
2384                                                 i++;
2385                                                 buf[j+lf_num] = '\r';
2386                                                 }
2387                                         }
2388                                 assert(lf_num == 0);
2389                                 }
2390                         else
2391                                 i=raw_read_stdin(buf,bufsize);
2392                         if (!s_quiet && !s_brief)
2393                                 {
2394                                 if ((i <= 0) || (buf[0] == 'Q'))
2395                                         {
2396                                         BIO_printf(bio_s_out,"DONE\n");
2397                                         SHUTDOWN(s);
2398                                         close_accept_socket();
2399                                         ret= -11;
2400                                         goto err;
2401                                         }
2402                                 if ((i <= 0) || (buf[0] == 'q'))
2403                                         {
2404                                         BIO_printf(bio_s_out,"DONE\n");
2405                                         if (SSL_version(con) != DTLS1_VERSION)
2406                         SHUTDOWN(s);
2407         /*                              close_accept_socket();
2408                                         ret= -11;*/
2409                                         goto err;
2410                                         }
2411
2412 #ifndef OPENSSL_NO_HEARTBEATS
2413                                 if ((buf[0] == 'B') &&
2414                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2415                                         {
2416                                         BIO_printf(bio_err,"HEARTBEATING\n");
2417                                         SSL_heartbeat(con);
2418                                         i=0;
2419                                         continue;
2420                                         }
2421 #endif
2422                                 if ((buf[0] == 'r') &&
2423                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2424                                         {
2425                                         SSL_renegotiate(con);
2426                                         i=SSL_do_handshake(con);
2427                                         printf("SSL_do_handshake -> %d\n",i);
2428                                         i=0; /*13; */
2429                                         continue;
2430                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2431                                         }
2432                                 if ((buf[0] == 'R') &&
2433                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2434                                         {
2435                                         SSL_set_verify(con,
2436                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2437                                         SSL_renegotiate(con);
2438                                         i=SSL_do_handshake(con);
2439                                         printf("SSL_do_handshake -> %d\n",i);
2440                                         i=0; /* 13; */
2441                                         continue;
2442                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2443                                         }
2444                                 if (buf[0] == 'P')
2445                                         {
2446                                         static const char *str="Lets print some clear text\n";
2447                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2448                                         }
2449                                 if (buf[0] == 'S')
2450                                         {
2451                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2452                                         }
2453                                 }
2454 #ifdef CHARSET_EBCDIC
2455                         ebcdic2ascii(buf,buf,i);
2456 #endif
2457                         l=k=0;
2458                         for (;;)
2459                                 {
2460                                 /* should do a select for the write */
2461 #ifdef RENEG
2462 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2463 #endif
2464                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2465 #ifndef OPENSSL_NO_SRP
2466                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2467                                         {
2468                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2469                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2470                                         if (srp_callback_parm.user)
2471                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2472                                         else
2473                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2474                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2475                                         }
2476 #endif
2477                                 switch (SSL_get_error(con,k))
2478                                         {
2479                                 case SSL_ERROR_NONE:
2480                                         break;
2481                                 case SSL_ERROR_WANT_WRITE:
2482                                 case SSL_ERROR_WANT_READ:
2483                                 case SSL_ERROR_WANT_X509_LOOKUP:
2484                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2485                                         break;
2486                                 case SSL_ERROR_SYSCALL:
2487                                 case SSL_ERROR_SSL:
2488                                         BIO_printf(bio_s_out,"ERROR\n");
2489                                         ERR_print_errors(bio_err);
2490                                         ret=1;
2491                                         goto err;
2492                                         /* break; */
2493                                 case SSL_ERROR_ZERO_RETURN:
2494                                         BIO_printf(bio_s_out,"DONE\n");
2495                                         ret=1;
2496                                         goto err;
2497                                         }
2498                                 l+=k;
2499                                 i-=k;
2500                                 if (i <= 0) break;
2501                                 }
2502                         }
2503                 if (read_from_sslcon)
2504                         {
2505                         if (!SSL_is_init_finished(con))
2506                                 {
2507                                 i=init_ssl_connection(con);
2508
2509                                 if (i < 0)
2510                                         {
2511                                         ret=0;
2512                                         goto err;
2513                                         }
2514                                 else if (i == 0)
2515                                         {
2516                                         ret=1;
2517                                         goto err;
2518                                         }
2519                                 }
2520                         else
2521                                 {
2522 again:
2523                                 i=SSL_read(con,(char *)buf,bufsize);
2524 #ifndef OPENSSL_NO_SRP
2525                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2526                                         {
2527                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2528                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2529                                         if (srp_callback_parm.user)
2530                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2531                                         else
2532                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2533                                         i=SSL_read(con,(char *)buf,bufsize);
2534                                         }
2535 #endif
2536                                 switch (SSL_get_error(con,i))
2537                                         {
2538                                 case SSL_ERROR_NONE:
2539 #ifdef CHARSET_EBCDIC
2540                                         ascii2ebcdic(buf,buf,i);
2541 #endif
2542                                         raw_write_stdout(buf,
2543                                                 (unsigned int)i);
2544                                         if (SSL_pending(con)) goto again;
2545                                         break;
2546                                 case SSL_ERROR_WANT_WRITE:
2547                                 case SSL_ERROR_WANT_READ:
2548                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2549                                         break;
2550                                 case SSL_ERROR_SYSCALL:
2551                                 case SSL_ERROR_SSL:
2552                                         BIO_printf(bio_s_out,"ERROR\n");
2553                                         ERR_print_errors(bio_err);
2554                                         ret=1;
2555                                         goto err;
2556                                 case SSL_ERROR_ZERO_RETURN:
2557                                         BIO_printf(bio_s_out,"DONE\n");
2558                                         ret=1;
2559                                         goto err;
2560                                         }
2561                                 }
2562                         }
2563                 }
2564 err:
2565         if (con != NULL)
2566                 {
2567                 BIO_printf(bio_s_out,"shutting down SSL\n");
2568 #if 1
2569                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2570 #else
2571                 SSL_shutdown(con);
2572 #endif
2573                 SSL_free(con);
2574                 }
2575         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2576         if (buf != NULL)
2577                 {
2578                 OPENSSL_cleanse(buf,bufsize);
2579                 OPENSSL_free(buf);
2580                 }
2581         if (ret >= 0)
2582                 BIO_printf(bio_s_out,"ACCEPT\n");
2583         return(ret);
2584         }
2585
2586 static void close_accept_socket(void)
2587         {
2588         BIO_printf(bio_err,"shutdown accept socket\n");
2589         if (accept_socket >= 0)
2590                 {
2591                 SHUTDOWN2(accept_socket);
2592                 }
2593         }
2594
2595 static int init_ssl_connection(SSL *con)
2596         {
2597         int i;
2598         const char *str;
2599         X509 *peer;
2600         long verify_error;
2601         MS_STATIC char buf[BUFSIZ];
2602 #ifndef OPENSSL_NO_KRB5
2603         char *client_princ;
2604 #endif
2605 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2606         const unsigned char *next_proto_neg;
2607         unsigned next_proto_neg_len;
2608 #endif
2609         unsigned char *exportedkeymat;
2610
2611
2612         i=SSL_accept(con);
2613 #ifndef OPENSSL_NO_SRP
2614         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2615                 {
2616                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2617                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2618                         if (srp_callback_parm.user)
2619                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2620                         else
2621                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2622                         i=SSL_accept(con);
2623                 }
2624 #endif
2625         if (i <= 0)
2626                 {
2627                 if (BIO_sock_should_retry(i))
2628                         {
2629                         BIO_printf(bio_s_out,"DELAY\n");
2630                         return(1);
2631                         }
2632
2633                 BIO_printf(bio_err,"ERROR\n");
2634                 verify_error=SSL_get_verify_result(con);
2635                 if (verify_error != X509_V_OK)
2636                         {
2637                         BIO_printf(bio_err,"verify error:%s\n",
2638                                 X509_verify_cert_error_string(verify_error));
2639                         }
2640                 /* Always print any error messages */
2641                 ERR_print_errors(bio_err);
2642                 return(0);
2643                 }
2644
2645         if (s_brief)
2646                 print_ssl_summary(bio_err, con);
2647
2648         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2649
2650         peer=SSL_get_peer_certificate(con);
2651         if (peer != NULL)
2652                 {
2653                 BIO_printf(bio_s_out,"Client certificate\n");
2654                 PEM_write_bio_X509(bio_s_out,peer);
2655                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2656                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2657                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2658                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2659                 X509_free(peer);
2660                 }
2661
2662         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2663                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2664         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2665         ssl_print_sigalgs(bio_s_out, con);
2666 #ifndef OPENSSL_NO_EC
2667         ssl_print_point_formats(bio_s_out, con);
2668         ssl_print_curves(bio_s_out, con, 0);
2669 #endif
2670         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2671
2672 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2673         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2674         if (next_proto_neg)
2675                 {
2676                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2677                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2678                 BIO_printf(bio_s_out, "\n");
2679                 }
2680 #endif
2681         {
2682         SRTP_PROTECTION_PROFILE *srtp_profile
2683           = SSL_get_selected_srtp_profile(con);
2684
2685         if(srtp_profile)
2686                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2687                            srtp_profile->name);
2688         }
2689         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2690         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2691                 TLS1_FLAGS_TLS_PADDING_BUG)
2692                 BIO_printf(bio_s_out,
2693                            "Peer has incorrect TLSv1 block padding\n");
2694 #ifndef OPENSSL_NO_KRB5
2695         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2696         if (client_princ != NULL)
2697                 {
2698                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2699                                                                 client_princ);
2700                 }
2701 #endif /* OPENSSL_NO_KRB5 */
2702         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2703                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2704         if (keymatexportlabel != NULL)
2705                 {
2706                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2707                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2708                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2709                            keymatexportlen);
2710                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2711                 if (exportedkeymat != NULL)
2712                         {
2713                         if (!SSL_export_keying_material(con, exportedkeymat,
2714                                                         keymatexportlen,
2715                                                         keymatexportlabel,
2716                                                         strlen(keymatexportlabel),
2717                                                         NULL, 0, 0))
2718                                 {
2719                                 BIO_printf(bio_s_out, "    Error\n");
2720                                 }
2721                         else
2722                                 {
2723                                 BIO_printf(bio_s_out, "    Keying material: ");
2724                                 for (i=0; i<keymatexportlen; i++)
2725                                         BIO_printf(bio_s_out, "%02X",
2726                                                    exportedkeymat[i]);
2727                                 BIO_printf(bio_s_out, "\n");
2728                                 }
2729                         OPENSSL_free(exportedkeymat);
2730                         }
2731                 }
2732
2733         return(1);
2734         }
2735
2736 #ifndef OPENSSL_NO_DH
2737 static DH *load_dh_param(const char *dhfile)
2738         {
2739         DH *ret=NULL;
2740         BIO *bio;
2741
2742         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2743                 goto err;
2744         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2745 err:
2746         if (bio != NULL) BIO_free(bio);
2747         return(ret);
2748         }
2749 #endif
2750 #ifndef OPENSSL_NO_KRB5
2751         char *client_princ;
2752 #endif
2753
2754 #if 0
2755 static int load_CA(SSL_CTX *ctx, char *file)
2756         {
2757         FILE *in;
2758         X509 *x=NULL;
2759
2760         if ((in=fopen(file,"r")) == NULL)
2761                 return(0);
2762
2763         for (;;)
2764                 {
2765                 if (PEM_read_X509(in,&x,NULL) == NULL)
2766                         break;
2767                 SSL_CTX_add_client_CA(ctx,x);
2768                 }
2769         if (x != NULL) X509_free(x);
2770         fclose(in);
2771         return(1);
2772         }
2773 #endif
2774
2775 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2776         {
2777         char *buf=NULL;
2778         int ret=1;
2779         int i,j,k,dot;
2780         SSL *con;
2781         const SSL_CIPHER *c;
2782         BIO *io,*ssl_bio,*sbio;
2783 #ifndef OPENSSL_NO_KRB5
2784         KSSL_CTX *kctx;
2785 #endif
2786
2787         buf=OPENSSL_malloc(bufsize);
2788         if (buf == NULL) return(0);
2789         io=BIO_new(BIO_f_buffer());
2790         ssl_bio=BIO_new(BIO_f_ssl());
2791         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2792
2793 #ifdef FIONBIO
2794         if (s_nbio)
2795                 {
2796                 unsigned long sl=1;
2797
2798                 if (!s_quiet)
2799                         BIO_printf(bio_err,"turning on non blocking io\n");
2800                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2801                         ERR_print_errors(bio_err);
2802                 }
2803 #endif
2804
2805         /* lets make the output buffer a reasonable size */
2806         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2807
2808         if ((con=SSL_new(ctx)) == NULL) goto err;
2809 #ifndef OPENSSL_NO_TLSEXT
2810                 if (s_tlsextdebug)
2811                         {
2812                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2813                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2814                         }
2815 #endif
2816 #ifndef OPENSSL_NO_KRB5
2817         if ((kctx = kssl_ctx_new()) != NULL)
2818                 {
2819                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2820                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2821                 }
2822 #endif  /* OPENSSL_NO_KRB5 */
2823         if(context) SSL_set_session_id_context(con, context,
2824                                                strlen((char *)context));
2825
2826         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2827         if (s_nbio_test)
2828                 {
2829                 BIO *test;
2830
2831                 test=BIO_new(BIO_f_nbio_test());
2832                 sbio=BIO_push(test,sbio);
2833                 }
2834         SSL_set_bio(con,sbio,sbio);
2835         SSL_set_accept_state(con);
2836
2837         /* SSL_set_fd(con,s); */
2838         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2839         BIO_push(io,ssl_bio);
2840 #ifdef CHARSET_EBCDIC
2841         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2842 #endif
2843
2844         if (s_debug)
2845                 {
2846                 SSL_set_debug(con, 1);
2847                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2848                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2849                 }
2850         if (s_msg)
2851                 {
2852 #ifndef OPENSSL_NO_SSL_TRACE
2853                 if (s_msg == 2)
2854                         SSL_set_msg_callback(con, SSL_trace);
2855                 else
2856 #endif
2857                         SSL_set_msg_callback(con, msg_cb);
2858                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2859                 }
2860
2861         for (;;)
2862                 {
2863                 if (hack)
2864                         {
2865                         i=SSL_accept(con);
2866 #ifndef OPENSSL_NO_SRP
2867                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2868                 {
2869                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2870                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2871                         if (srp_callback_parm.user)
2872                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2873                         else
2874                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2875                         i=SSL_accept(con);
2876                 }
2877 #endif
2878                         switch (SSL_get_error(con,i))
2879                                 {
2880                         case SSL_ERROR_NONE:
2881                                 break;
2882                         case SSL_ERROR_WANT_WRITE:
2883                         case SSL_ERROR_WANT_READ:
2884                         case SSL_ERROR_WANT_X509_LOOKUP:
2885                                 continue;
2886                         case SSL_ERROR_SYSCALL:
2887                         case SSL_ERROR_SSL:
2888                         case SSL_ERROR_ZERO_RETURN:
2889                                 ret=1;
2890                                 goto err;
2891                                 /* break; */
2892                                 }
2893
2894                         SSL_renegotiate(con);
2895                         SSL_write(con,NULL,0);
2896                         }
2897
2898                 i=BIO_gets(io,buf,bufsize-1);
2899                 if (i < 0) /* error */
2900                         {
2901                         if (!BIO_should_retry(io))
2902                                 {
2903                                 if (!s_quiet)
2904                                         ERR_print_errors(bio_err);
2905                                 goto err;
2906                                 }
2907                         else
2908                                 {
2909                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2910 #if defined(OPENSSL_SYS_NETWARE)
2911             delay(1000);
2912 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2913                                 sleep(1);
2914 #endif
2915                                 continue;
2916                                 }
2917                         }
2918                 else if (i == 0) /* end of input */
2919                         {
2920                         ret=1;
2921                         goto end;
2922                         }
2923
2924                 /* else we have data */
2925                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2926                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2927                         {
2928                         char *p;
2929                         X509 *peer;
2930                         STACK_OF(SSL_CIPHER) *sk;
2931                         static const char *space="                          ";
2932
2933                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2934                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2935                         BIO_puts(io,"<pre>\n");
2936 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2937                         BIO_puts(io,"\n");
2938                         for (i=0; i<local_argc; i++)
2939                                 {
2940                                 BIO_puts(io,local_argv[i]);
2941                                 BIO_write(io," ",1);
2942                                 }
2943                         BIO_puts(io,"\n");
2944
2945                         BIO_printf(io,
2946                                 "Secure Renegotiation IS%s supported\n",
2947                                 SSL_get_secure_renegotiation_support(con) ?
2948                                                         "" : " NOT");
2949
2950                         /* The following is evil and should not really
2951                          * be done */
2952                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2953                         sk=SSL_get_ciphers(con);
2954                         j=sk_SSL_CIPHER_num(sk);
2955                         for (i=0; i<j; i++)
2956                                 {
2957                                 c=sk_SSL_CIPHER_value(sk,i);
2958                                 BIO_printf(io,"%-11s:%-25s",
2959                                         SSL_CIPHER_get_version(c),
2960                                         SSL_CIPHER_get_name(c));
2961                                 if ((((i+1)%2) == 0) && (i+1 != j))
2962                                         BIO_puts(io,"\n");
2963                                 }
2964                         BIO_puts(io,"\n");
2965                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2966                         if (p != NULL)
2967                                 {
2968                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2969                                 j=i=0;
2970                                 while (*p)
2971                                         {
2972                                         if (*p == ':')
2973                                                 {
2974                                                 BIO_write(io,space,26-j);
2975                                                 i++;
2976                                                 j=0;
2977                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2978                                                 }
2979                                         else
2980                                                 {
2981                                                 BIO_write(io,p,1);
2982                                                 j++;
2983                                                 }
2984                                         p++;
2985                                         }
2986                                 BIO_puts(io,"\n");
2987                                 }
2988                         ssl_print_sigalgs(io, con);
2989 #ifndef OPENSSL_NO_EC
2990                         ssl_print_curves(io, con, 0);
2991 #endif
2992                         BIO_printf(io,(SSL_cache_hit(con)
2993                                 ?"---\nReused, "
2994                                 :"---\nNew, "));
2995                         c=SSL_get_current_cipher(con);
2996                         BIO_printf(io,"%s, Cipher is %s\n",
2997                                 SSL_CIPHER_get_version(c),
2998                                 SSL_CIPHER_get_name(c));
2999                         SSL_SESSION_print(io,SSL_get_session(con));
3000                         BIO_printf(io,"---\n");
3001                         print_stats(io,SSL_get_SSL_CTX(con));
3002                         BIO_printf(io,"---\n");
3003                         peer=SSL_get_peer_certificate(con);
3004                         if (peer != NULL)
3005                                 {
3006                                 BIO_printf(io,"Client certificate\n");
3007                                 X509_print(io,peer);
3008                                 PEM_write_bio_X509(io,peer);
3009                                 }
3010                         else
3011                                 BIO_puts(io,"no client certificate available\n");
3012                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3013                         break;
3014                         }
3015                 else if ((www == 2 || www == 3)
3016                          && (strncmp("GET /",buf,5) == 0))
3017                         {
3018                         BIO *file;
3019                         char *p,*e;
3020                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3021
3022                         /* skip the '/' */
3023                         p= &(buf[5]);
3024
3025                         dot = 1;
3026                         for (e=p; *e != '\0'; e++)
3027                                 {
3028                                 if (e[0] == ' ')
3029                                         break;
3030
3031                                 switch (dot)
3032                                         {
3033                                 case 1:
3034                                         dot = (e[0] == '.') ? 2 : 0;
3035                                         break;
3036                                 case 2:
3037                                         dot = (e[0] == '.') ? 3 : 0;
3038                                         break;
3039                                 case 3:
3040                                         dot = (e[0] == '/') ? -1 : 0;
3041                                         break;
3042                                         }
3043                                 if (dot == 0)
3044                                         dot = (e[0] == '/') ? 1 : 0;
3045                                 }
3046                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3047
3048                         if (*e == '\0')
3049                                 {
3050                                 BIO_puts(io,text);
3051                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3052                                 break;
3053                                 }
3054                         *e='\0';
3055
3056                         if (dot)
3057                                 {
3058                                 BIO_puts(io,text);
3059                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3060                                 break;
3061                                 }
3062
3063                         if (*p == '/')
3064                                 {
3065                                 BIO_puts(io,text);
3066                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3067                                 break;
3068                                 }
3069
3070 #if 0
3071                         /* append if a directory lookup */
3072                         if (e[-1] == '/')
3073                                 strcat(p,"index.html");
3074 #endif
3075
3076                         /* if a directory, do the index thang */
3077                         if (app_isdir(p)>0)
3078                                 {
3079 #if 0 /* must check buffer size */
3080                                 strcat(p,"/index.html");
3081 #else
3082                                 BIO_puts(io,text);
3083                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3084                                 break;
3085 #endif
3086                                 }
3087
3088                         if ((file=BIO_new_file(p,"r")) == NULL)
3089                                 {
3090                                 BIO_puts(io,text);
3091                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3092                                 ERR_print_errors(io);
3093                                 break;
3094                                 }
3095
3096                         if (!s_quiet)
3097                                 BIO_printf(bio_err,"FILE:%s\n",p);
3098
3099                         if (www == 2)
3100                                 {
3101                                 i=strlen(p);
3102                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3103                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3104                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3105                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3106                                 else
3107                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3108                                 }
3109                         /* send the file */
3110                         for (;;)
3111                                 {
3112                                 i=BIO_read(file,buf,bufsize);
3113                                 if (i <= 0) break;
3114
3115 #ifdef RENEG
3116                                 total_bytes+=i;
3117                                 fprintf(stderr,"%d\n",i);
3118                                 if (total_bytes > 3*1024)
3119                                         {
3120                                         total_bytes=0;
3121                                         fprintf(stderr,"RENEGOTIATE\n");
3122                                         SSL_renegotiate(con);
3123                                         }
3124 #endif
3125
3126                                 for (j=0; j<i; )
3127                                         {
3128 #ifdef RENEG
3129 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3130 #endif
3131                                         k=BIO_write(io,&(buf[j]),i-j);
3132                                         if (k <= 0)
3133                                                 {
3134                                                 if (!BIO_should_retry(io))
3135                                                         goto write_error;
3136                                                 else
3137                                                         {
3138                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3139                                                         }
3140                                                 }
3141                                         else
3142                                                 {
3143                                                 j+=k;
3144                                                 }
3145                                         }
3146                                 }
3147 write_error:
3148                         BIO_free(file);
3149                         break;
3150                         }
3151                 }
3152
3153         for (;;)
3154                 {
3155                 i=(int)BIO_flush(io);
3156                 if (i <= 0)
3157                         {
3158                         if (!BIO_should_retry(io))
3159                                 break;
3160                         }
3161                 else
3162                         break;
3163                 }
3164 end:
3165 #if 1
3166         /* make sure we re-use sessions */
3167         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3168 #else
3169         /* This kills performance */
3170 /*      SSL_shutdown(con); A shutdown gets sent in the
3171  *      BIO_free_all(io) procession */
3172 #endif
3173
3174 err:
3175
3176         if (ret >= 0)
3177                 BIO_printf(bio_s_out,"ACCEPT\n");
3178
3179         if (buf != NULL) OPENSSL_free(buf);
3180         if (io != NULL) BIO_free_all(io);
3181 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3182         return(ret);
3183         }
3184
3185 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3186         {
3187         char *buf=NULL;
3188         int i;
3189         int ret=1;
3190         SSL *con;
3191         BIO *io,*ssl_bio,*sbio;
3192 #ifndef OPENSSL_NO_KRB5
3193         KSSL_CTX *kctx;
3194 #endif
3195
3196         buf=OPENSSL_malloc(bufsize);
3197         if (buf == NULL) return(0);
3198         io=BIO_new(BIO_f_buffer());
3199         ssl_bio=BIO_new(BIO_f_ssl());
3200         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3201
3202         /* lets make the output buffer a reasonable size */
3203         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3204
3205         if ((con=SSL_new(ctx)) == NULL) goto err;
3206 #ifndef OPENSSL_NO_TLSEXT
3207         if (s_tlsextdebug)
3208                 {
3209                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3210                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3211                 }
3212 #endif
3213 #ifndef OPENSSL_NO_KRB5
3214         if ((kctx = kssl_ctx_new()) != NULL)
3215                 {
3216                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3217                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3218                 }
3219 #endif  /* OPENSSL_NO_KRB5 */
3220         if(context) SSL_set_session_id_context(con, context,
3221                                                strlen((char *)context));
3222
3223         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3224         SSL_set_bio(con,sbio,sbio);
3225         SSL_set_accept_state(con);
3226
3227         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3228         BIO_push(io,ssl_bio);
3229 #ifdef CHARSET_EBCDIC
3230         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3231 #endif
3232
3233         if (s_debug)
3234                 {
3235                 SSL_set_debug(con, 1);
3236                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3237                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3238                 }
3239         if (s_msg)
3240                 {
3241 #ifndef OPENSSL_NO_SSL_TRACE
3242                 if (s_msg == 2)
3243                         SSL_set_msg_callback(con, SSL_trace);
3244                 else
3245 #endif
3246                         SSL_set_msg_callback(con, msg_cb);
3247                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3248                 }
3249
3250         for (;;)
3251                 {
3252                 i = BIO_do_handshake(io);
3253                 if (i > 0)
3254                         break;
3255                 if (!BIO_should_retry(io))
3256                         {
3257                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3258                         ERR_print_errors(bio_err);
3259                         goto end;
3260                         }
3261                 }
3262         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3263         print_ssl_summary(bio_err, con);
3264
3265         for (;;)
3266                 {
3267                 i=BIO_gets(io,buf,bufsize-1);
3268                 if (i < 0) /* error */
3269                         {
3270                         if (!BIO_should_retry(io))
3271                                 {
3272                                 if (!s_quiet)
3273                                         ERR_print_errors(bio_err);
3274                                 goto err;
3275                                 }
3276                         else
3277                                 {
3278                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3279 #if defined(OPENSSL_SYS_NETWARE)
3280             delay(1000);
3281 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3282                                 sleep(1);
3283 #endif
3284                                 continue;
3285                                 }
3286                         }
3287                 else if (i == 0) /* end of input */
3288                         {
3289                         ret=1;
3290                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3291                         goto end;
3292                         }
3293                 else
3294                         {
3295                         char *p = buf + i - 1;
3296                         while(i && (*p == '\n' || *p == '\r'))
3297                                 {
3298                                 p--;
3299                                 i--;
3300                                 }
3301                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3302                                 {
3303                                 ret = 1;
3304                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3305                                 goto end;
3306                                 }
3307                         BUF_reverse((unsigned char *)buf, NULL, i);
3308                         buf[i] = '\n';
3309                         BIO_write(io, buf, i + 1);
3310                         for (;;)
3311                                 {
3312                                 i = BIO_flush(io);
3313                                 if (i > 0)
3314                                         break;
3315                                 if (!BIO_should_retry(io))
3316                                         goto end;
3317                                 }
3318                         }
3319                 }
3320 end:
3321         /* make sure we re-use sessions */
3322         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3323
3324 err:
3325
3326         if (buf != NULL) OPENSSL_free(buf);
3327         if (io != NULL) BIO_free_all(io);
3328         return(ret);
3329         }
3330
3331 #ifndef OPENSSL_NO_RSA
3332 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3333         {
3334         BIGNUM *bn = NULL;
3335         static RSA *rsa_tmp=NULL;
3336
3337         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3338                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3339         if (!rsa_tmp && bn)
3340                 {
3341                 if (!s_quiet)
3342                         {
3343                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3344                         (void)BIO_flush(bio_err);
3345                         }
3346                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3347                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3348                         {
3349                         if(rsa_tmp) RSA_free(rsa_tmp);
3350                         rsa_tmp = NULL;
3351                         }
3352                 if (!s_quiet)
3353                         {
3354                         BIO_printf(bio_err,"\n");
3355                         (void)BIO_flush(bio_err);
3356                         }
3357                 BN_free(bn);
3358                 }
3359         return(rsa_tmp);
3360         }
3361 #endif
3362
3363 #define MAX_SESSION_ID_ATTEMPTS 10
3364 static int generate_session_id(const SSL *ssl, unsigned char *id,
3365                                 unsigned int *id_len)
3366         {
3367         unsigned int count = 0;
3368         do      {
3369                 RAND_pseudo_bytes(id, *id_len);
3370                 /* Prefix the session_id with the required prefix. NB: If our
3371                  * prefix is too long, clip it - but there will be worse effects
3372                  * anyway, eg. the server could only possibly create 1 session
3373                  * ID (ie. the prefix!) so all future session negotiations will
3374                  * fail due to conflicts. */
3375                 memcpy(id, session_id_prefix,
3376                         (strlen(session_id_prefix) < *id_len) ?
3377                         strlen(session_id_prefix) : *id_len);
3378                 }
3379         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3380                 (++count < MAX_SESSION_ID_ATTEMPTS));
3381         if(count >= MAX_SESSION_ID_ATTEMPTS)
3382                 return 0;
3383         return 1;
3384         }
3385
3386 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3387  * structures without any serialisation. This hides some bugs which only
3388  * become apparent in deployed servers. By implementing a basic external
3389  * session cache some issues can be debugged using s_server.
3390  */
3391
3392 typedef struct simple_ssl_session_st
3393         {
3394         unsigned char *id;
3395         unsigned int idlen;
3396         unsigned char *der;
3397         int derlen;
3398         struct simple_ssl_session_st *next;
3399         } simple_ssl_session;
3400
3401 static simple_ssl_session *first = NULL;
3402
3403 static int add_session(SSL *ssl, SSL_SESSION *session)
3404         {
3405         simple_ssl_session *sess;
3406         unsigned char *p;
3407
3408         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3409
3410         SSL_SESSION_get_id(session, &sess->idlen);
3411         sess->derlen = i2d_SSL_SESSION(session, NULL);
3412
3413         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3414
3415         sess->der = OPENSSL_malloc(sess->derlen);
3416         p = sess->der;
3417         i2d_SSL_SESSION(session, &p);
3418
3419         sess->next = first;
3420         first = sess;
3421         BIO_printf(bio_err, "New session added to external cache\n");
3422         return 0;
3423         }
3424
3425 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3426                                         int *do_copy)
3427         {
3428         simple_ssl_session *sess;
3429         *do_copy = 0;
3430         for (sess = first; sess; sess = sess->next)
3431                 {
3432                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3433                         {
3434                         const unsigned char *p = sess->der;
3435                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3436                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3437                         }
3438                 }
3439         BIO_printf(bio_err, "Lookup session: cache miss\n");
3440         return NULL;
3441         }
3442
3443 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3444         {
3445         simple_ssl_session *sess, *prev = NULL;
3446         const unsigned char *id;
3447         unsigned int idlen;
3448         id = SSL_SESSION_get_id(session, &idlen);
3449         for (sess = first; sess; sess = sess->next)
3450                 {
3451                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3452                         {
3453                         if(prev)
3454                                 prev->next = sess->next;
3455                         else
3456                                 first = sess->next;
3457                         OPENSSL_free(sess->id);
3458                         OPENSSL_free(sess->der);
3459                         OPENSSL_free(sess);
3460                         return;
3461                         }
3462                 prev = sess;
3463                 }
3464         }
3465
3466 static void init_session_cache_ctx(SSL_CTX *sctx)
3467         {
3468         SSL_CTX_set_session_cache_mode(sctx,
3469                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3470         SSL_CTX_sess_set_new_cb(sctx, add_session);
3471         SSL_CTX_sess_set_get_cb(sctx, get_session);
3472         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3473         }
3474
3475 static void free_sessions(void)
3476         {
3477         simple_ssl_session *sess, *tsess;
3478         for (sess = first; sess;)
3479                 {
3480                 OPENSSL_free(sess->id);
3481                 OPENSSL_free(sess->der);
3482                 tsess = sess;
3483                 sess = sess->next;
3484                 OPENSSL_free(tsess);
3485                 }
3486         first = NULL;
3487         }