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