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