apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int not_resumable_sess_cb(SSL *s, int is_forward_secure);
 208 static int sv_body(char *hostname, int s, unsigned char *context);
 209 static int www_body(char *hostname, int s, unsigned char *context);
 210 static void close_accept_socket(void );
 211 static void sv_usage(void);
 212 static int init_ssl_connection(SSL *s);
 213 static void print_stats(BIO *bp,SSL_CTX *ctx);
 214 static int generate_session_id(const SSL *ssl, unsigned char *id,
 215                                 unsigned int *id_len);
 216 static void init_session_cache_ctx(SSL_CTX *sctx);
 217 static void free_sessions(void);
 218 static int ssl_load_stores(SSL_CTX *sctx,
 219                         const char *vfyCApath, const char *vfyCAfile,
 220                         const char *chCApath, const char *chCAfile);
 221 #ifndef OPENSSL_NO_DH
 222 static DH *load_dh_param(const char *dhfile);
 223 static DH *get_dh512(void);
 224 #endif
 225
 226 #ifdef MONOLITH
 227 static void s_server_init(void);
 228 #endif
 229
 230 #ifndef OPENSSL_NO_DH
 231 static unsigned char dh512_p[]={
 232         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 233         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 234         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 235         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 236         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 237         0x47,0x74,0xE8,0x33,
 238         };
 239 static unsigned char dh512_g[]={
 240         0x02,
 241         };
 242
 243 static DH *get_dh512(void)
 244         {
 245         DH *dh=NULL;
 246
 247         if ((dh=DH_new()) == NULL) return(NULL);
 248         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 249         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 250         if ((dh->p == NULL) || (dh->g == NULL))
 251                 return(NULL);
 252         return(dh);
 253         }
 254 #endif
 255
 256
 257 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 258
 259 #undef BUFSIZZ
 260 #define BUFSIZZ 16*1024
 261 static int bufsize=BUFSIZZ;
 262 static int accept_socket= -1;
 263
 264 #define TEST_CERT       "server.pem"
 265 #ifndef OPENSSL_NO_TLSEXT
 266 #define TEST_CERT2      "server2.pem"
 267 #endif
 268 #undef PROG
 269 #define PROG            s_server_main
 270
 271 extern int verify_depth, verify_return_error;
 272
 273 static char *cipher=NULL;
 274 static int s_server_verify=SSL_VERIFY_NONE;
 275 static int s_server_session_id_context = 1; /* anything will do */
 276 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 277 #ifndef OPENSSL_NO_TLSEXT
 278 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 279 static char *curves=NULL;
 280 static char *sigalgs=NULL;
 281 static char *client_sigalgs=NULL;
 282 #endif
 283 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 284 #ifdef FIONBIO
 285 static int s_nbio=0;
 286 #endif
 287 static int s_nbio_test=0;
 288 int s_crlf=0;
 289 static SSL_CTX *ctx=NULL;
 290 #ifndef OPENSSL_NO_TLSEXT
 291 static SSL_CTX *ctx2=NULL;
 292 #endif
 293 static int www=0;
 294
 295 static BIO *bio_s_out=NULL;
 296 static BIO *bio_s_msg = NULL;
 297 static int s_debug=0;
 298 #ifndef OPENSSL_NO_TLSEXT
 299 static int s_tlsextdebug=0;
 300 static int s_tlsextstatus=0;
 301 static int cert_status_cb(SSL *s, void *arg);
 302 #endif
 303 static int no_resume_ephemeral = 0;
 304 static int s_msg=0;
 305 static int s_quiet=0;
 306
 307 static char *keymatexportlabel=NULL;
 308 static int keymatexportlen=20;
 309
 310 static int hack=0;
 311 #ifndef OPENSSL_NO_ENGINE
 312 static char *engine_id=NULL;
 313 #endif
 314 static const char *session_id_prefix=NULL;
 315
 316 static int enable_timeouts = 0;
 317 static long socket_mtu;
 318 #ifndef OPENSSL_NO_DTLS1
 319 static int cert_chain = 0;
 320 #endif
 321
 322 #ifndef OPENSSL_NO_TLSEXT
 323 static BIO *authz_in = NULL;
 324 static const char *s_authz_file = NULL;
 325 #endif
 326
 327 #ifndef OPENSSL_NO_PSK
 328 static char *psk_identity="Client_identity";
 329 char *psk_key=NULL; /* by default PSK is not used */
 330
 331 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 332         unsigned char *psk, unsigned int max_psk_len)
 333         {
 334         unsigned int psk_len = 0;
 335         int ret;
 336         BIGNUM *bn = NULL;
 337
 338         if (s_debug)
 339                 BIO_printf(bio_s_out,"psk_server_cb\n");
 340         if (!identity)
 341                 {
 342                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 343                 goto out_err;
 344                 }
 345         if (s_debug)
 346                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 347                         identity ? (int)strlen(identity) : 0, identity);
 348
 349         /* here we could lookup the given identity e.g. from a database */
 350         if (strcmp(identity, psk_identity) != 0)
 351                 {
 352                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 353                            " (got '%s' expected '%s')\n", identity,
 354                            psk_identity);
 355                 goto out_err;
 356                 }
 357         if (s_debug)
 358                 BIO_printf(bio_s_out, "PSK client identity found\n");
 359
 360         /* convert the PSK key to binary */
 361         ret = BN_hex2bn(&bn, psk_key);
 362         if (!ret)
 363                 {
 364                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 365                 if (bn)
 366                         BN_free(bn);
 367                 return 0;
 368                 }
 369         if (BN_num_bytes(bn) > (int)max_psk_len)
 370                 {
 371                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 372                         max_psk_len, BN_num_bytes(bn));
 373                 BN_free(bn);
 374                 return 0;
 375                 }
 376
 377         ret = BN_bn2bin(bn, psk);
 378         BN_free(bn);
 379
 380         if (ret < 0)
 381                 goto out_err;
 382         psk_len = (unsigned int)ret;
 383
 384         if (s_debug)
 385                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 386         return psk_len;
 387  out_err:
 388         if (s_debug)
 389                 BIO_printf(bio_err, "Error in PSK server callback\n");
 390         return 0;
 391         }
 392 #endif
 393
 394 #ifndef OPENSSL_NO_SRP
 395 /* This is a context that we pass to callbacks */
 396 typedef struct srpsrvparm_st
 397         {
 398         char *login;
 399         SRP_VBASE *vb;
 400         SRP_user_pwd *user;
 401         } srpsrvparm;
 402
 403 /* This callback pretends to require some asynchronous logic in order to obtain
 404    a verifier. When the callback is called for a new connection we return
 405    with a negative value. This will provoke the accept etc to return with
 406    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 407    (which would normally occur after a worker has finished) and we
 408    set the user parameters.
 409 */
 410 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 411         {
 412         srpsrvparm *p = (srpsrvparm *)arg;
 413         if (p->login == NULL && p->user == NULL )
 414                 {
 415                 p->login = SSL_get_srp_username(s);
 416                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 417                 return (-1) ;
 418                 }
 419
 420         if (p->user == NULL)
 421                 {
 422                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 423                 return SSL3_AL_FATAL;
 424                 }
 425         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 426                                      p->user->info) < 0)
 427                 {
 428                 *ad = SSL_AD_INTERNAL_ERROR;
 429                 return SSL3_AL_FATAL;
 430                 }
 431         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 432         /* need to check whether there are memory leaks */
 433         p->user = NULL;
 434         p->login = NULL;
 435         return SSL_ERROR_NONE;
 436         }
 437
 438 #endif
 439
 440 #ifdef MONOLITH
 441 static void s_server_init(void)
 442         {
 443         accept_socket=-1;
 444         cipher=NULL;
 445         s_server_verify=SSL_VERIFY_NONE;
 446         s_dcert_file=NULL;
 447         s_dkey_file=NULL;
 448         s_dchain_file=NULL;
 449         s_cert_file=TEST_CERT;
 450         s_key_file=NULL;
 451         s_chain_file=NULL;
 452 #ifndef OPENSSL_NO_TLSEXT
 453         curves=NULL;
 454         s_cert_file2=TEST_CERT2;
 455         s_key_file2=NULL;
 456         ctx2=NULL;
 457 #endif
 458 #ifdef FIONBIO
 459         s_nbio=0;
 460 #endif
 461         s_nbio_test=0;
 462         ctx=NULL;
 463         www=0;
 464
 465         bio_s_out=NULL;
 466         s_debug=0;
 467         s_msg=0;
 468         s_quiet=0;
 469         hack=0;
 470 #ifndef OPENSSL_NO_ENGINE
 471         engine_id=NULL;
 472 #endif
 473         }
 474 #endif
 475
 476 static void sv_usage(void)
 477         {
 478         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 479         BIO_printf(bio_err,"\n");
 480         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 481         BIO_printf(bio_err," -context arg  - set session ID context\n");
 482         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 483         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 484         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 485         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 486         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 487         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 488                            "                 The CRL(s) are appended to the certificate file\n");
 489         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 490                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 491                            "                 the certificate file.\n");
 492         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 493         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 494         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 495         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 496         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 497         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 498         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 499         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 500         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 501         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 502         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 503         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 504 #ifndef OPENSSL_NO_ECDH
 505         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 506                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 507                            "                 (default is nistp256).\n");
 508 #endif
 509 #ifdef FIONBIO
 510         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 511 #endif
 512         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 513         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 514         BIO_printf(bio_err," -debug        - Print more output\n");
 515         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 516         BIO_printf(bio_err," -state        - Print the SSL states\n");
 517         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 518         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 519         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 520         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 521         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 522         BIO_printf(bio_err," -quiet        - No server output\n");
 523         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 524 #ifndef OPENSSL_NO_PSK
 525         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 526         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 527 # ifndef OPENSSL_NO_JPAKE
 528         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 529 # endif
 530 #endif
 531 #ifndef OPENSSL_NO_SRP
 532         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 533         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 534 #endif
 535         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 536         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 537         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 538         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 539         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 540         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 541         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 542         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 543         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 544         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 545         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 546         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 547         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 548         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 549 #ifndef OPENSSL_NO_DH
 550         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 551 #endif
 552 #ifndef OPENSSL_NO_ECDH
 553         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 554 #endif
 555         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 556         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 557         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 558         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 559         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 560         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 561 #ifndef OPENSSL_NO_ENGINE
 562         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 563 #endif
 564         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 565         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 566 #ifndef OPENSSL_NO_TLSEXT
 567         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 568         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 569         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 570         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 571         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 572         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 573         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 574         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 575         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 576 # ifndef OPENSSL_NO_NEXTPROTONEG
 577         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 578 # endif
 579         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 580 #endif
 581         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 582         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 583         }
 584
 585 static int local_argc=0;
 586 static char **local_argv;
 587
 588 #ifdef CHARSET_EBCDIC
 589 static int ebcdic_new(BIO *bi);
 590 static int ebcdic_free(BIO *a);
 591 static int ebcdic_read(BIO *b, char *out, int outl);
 592 static int ebcdic_write(BIO *b, const char *in, int inl);
 593 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 594 static int ebcdic_gets(BIO *bp, char *buf, int size);
 595 static int ebcdic_puts(BIO *bp, const char *str);
 596
 597 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 598 static BIO_METHOD methods_ebcdic=
 599         {
 600         BIO_TYPE_EBCDIC_FILTER,
 601         "EBCDIC/ASCII filter",
 602         ebcdic_write,
 603         ebcdic_read,
 604         ebcdic_puts,
 605         ebcdic_gets,
 606         ebcdic_ctrl,
 607         ebcdic_new,
 608         ebcdic_free,
 609         };
 610
 611 typedef struct
 612 {
 613         size_t  alloced;
 614         char    buff[1];
 615 } EBCDIC_OUTBUFF;
 616
 617 BIO_METHOD *BIO_f_ebcdic_filter()
 618 {
 619         return(&methods_ebcdic);
 620 }
 621
 622 static int ebcdic_new(BIO *bi)
 623 {
 624         EBCDIC_OUTBUFF *wbuf;
 625
 626         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 627         wbuf->alloced = 1024;
 628         wbuf->buff[0] = '\0';
 629
 630         bi->ptr=(char *)wbuf;
 631         bi->init=1;
 632         bi->flags=0;
 633         return(1);
 634 }
 635
 636 static int ebcdic_free(BIO *a)
 637 {
 638         if (a == NULL) return(0);
 639         if (a->ptr != NULL)
 640                 OPENSSL_free(a->ptr);
 641         a->ptr=NULL;
 642         a->init=0;
 643         a->flags=0;
 644         return(1);
 645 }
 646
 647 static int ebcdic_read(BIO *b, char *out, int outl)
 648 {
 649         int ret=0;
 650
 651         if (out == NULL || outl == 0) return(0);
 652         if (b->next_bio == NULL) return(0);
 653
 654         ret=BIO_read(b->next_bio,out,outl);
 655         if (ret > 0)
 656                 ascii2ebcdic(out,out,ret);
 657         return(ret);
 658 }
 659
 660 static int ebcdic_write(BIO *b, const char *in, int inl)
 661 {
 662         EBCDIC_OUTBUFF *wbuf;
 663         int ret=0;
 664         int num;
 665         unsigned char n;
 666
 667         if ((in == NULL) || (inl <= 0)) return(0);
 668         if (b->next_bio == NULL) return(0);
 669
 670         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 671
 672         if (inl > (num = wbuf->alloced))
 673         {
 674                 num = num + num;  /* double the size */
 675                 if (num < inl)
 676                         num = inl;
 677                 OPENSSL_free(wbuf);
 678                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 679
 680                 wbuf->alloced = num;
 681                 wbuf->buff[0] = '\0';
 682
 683                 b->ptr=(char *)wbuf;
 684         }
 685
 686         ebcdic2ascii(wbuf->buff, in, inl);
 687
 688         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 689
 690         return(ret);
 691 }
 692
 693 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 694 {
 695         long ret;
 696
 697         if (b->next_bio == NULL) return(0);
 698         switch (cmd)
 699         {
 700         case BIO_CTRL_DUP:
 701                 ret=0L;
 702                 break;
 703         default:
 704                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 705                 break;
 706         }
 707         return(ret);
 708 }
 709
 710 static int ebcdic_gets(BIO *bp, char *buf, int size)
 711 {
 712         int i, ret=0;
 713         if (bp->next_bio == NULL) return(0);
 714 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 715         for (i=0; i<size-1; ++i)
 716         {
 717                 ret = ebcdic_read(bp,&buf[i],1);
 718                 if (ret <= 0)
 719                         break;
 720                 else if (buf[i] == '\n')
 721                 {
 722                         ++i;
 723                         break;
 724                 }
 725         }
 726         if (i < size)
 727                 buf[i] = '\0';
 728         return (ret < 0 && i == 0) ? ret : i;
 729 }
 730
 731 static int ebcdic_puts(BIO *bp, const char *str)
 732 {
 733         if (bp->next_bio == NULL) return(0);
 734         return ebcdic_write(bp, str, strlen(str));
 735 }
 736 #endif
 737
 738 #ifndef OPENSSL_NO_TLSEXT
 739
 740 /* This is a context that we pass to callbacks */
 741 typedef struct tlsextctx_st {
 742    char * servername;
 743    BIO * biodebug;
 744    int extension_error;
 745 } tlsextctx;
 746
 747
 748 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 749         {
 750         tlsextctx * p = (tlsextctx *) arg;
 751         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 752         if (servername && p->biodebug)
 753                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 754
 755         if (!p->servername)
 756                 return SSL_TLSEXT_ERR_NOACK;
 757
 758         if (servername)
 759                 {
 760                 if (strcmp(servername,p->servername))
 761                         return p->extension_error;
 762                 if (ctx2)
 763                         {
 764                         BIO_printf(p->biodebug,"Switching server context.\n");
 765                         SSL_set_SSL_CTX(s,ctx2);
 766                         }
 767                 }
 768         return SSL_TLSEXT_ERR_OK;
 769 }
 770
 771 /* Structure passed to cert status callback */
 772
 773 typedef struct tlsextstatusctx_st {
 774    /* Default responder to use */
 775    char *host, *path, *port;
 776    int use_ssl;
 777    int timeout;
 778    BIO *err;
 779    int verbose;
 780 } tlsextstatusctx;
 781
 782 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 783
 784 /* Certificate Status callback. This is called when a client includes a
 785  * certificate status request extension.
 786  *
 787  * This is a simplified version. It examines certificates each time and
 788  * makes one OCSP responder query for each request.
 789  *
 790  * A full version would store details such as the OCSP certificate IDs and
 791  * minimise the number of OCSP responses by caching them until they were
 792  * considered "expired".
 793  */
 794
 795 static int cert_status_cb(SSL *s, void *arg)
 796         {
 797         tlsextstatusctx *srctx = arg;
 798         BIO *err = srctx->err;
 799         char *host, *port, *path;
 800         int use_ssl;
 801         unsigned char *rspder = NULL;
 802         int rspderlen;
 803         STACK_OF(OPENSSL_STRING) *aia = NULL;
 804         X509 *x = NULL;
 805         X509_STORE_CTX inctx;
 806         X509_OBJECT obj;
 807         OCSP_REQUEST *req = NULL;
 808         OCSP_RESPONSE *resp = NULL;
 809         OCSP_CERTID *id = NULL;
 810         STACK_OF(X509_EXTENSION) *exts;
 811         int ret = SSL_TLSEXT_ERR_NOACK;
 812         int i;
 813 #if 0
 814 STACK_OF(OCSP_RESPID) *ids;
 815 SSL_get_tlsext_status_ids(s, &ids);
 816 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 817 #endif
 818         if (srctx->verbose)
 819                 BIO_puts(err, "cert_status: callback called\n");
 820         /* Build up OCSP query from server certificate */
 821         x = SSL_get_certificate(s);
 822         aia = X509_get1_ocsp(x);
 823         if (aia)
 824                 {
 825                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 826                         &host, &port, &path, &use_ssl))
 827                         {
 828                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 829                         goto err;
 830                         }
 831                 if (srctx->verbose)
 832                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 833                                         sk_OPENSSL_STRING_value(aia, 0));
 834                 }
 835         else
 836                 {
 837                 if (!srctx->host)
 838                         {
 839                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 840                         goto done;
 841                         }
 842                 host = srctx->host;
 843                 path = srctx->path;
 844                 port = srctx->port;
 845                 use_ssl = srctx->use_ssl;
 846                 }
 847
 848         if (!X509_STORE_CTX_init(&inctx,
 849                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 850                                 NULL, NULL))
 851                 goto err;
 852         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 853                                 X509_get_issuer_name(x),&obj) <= 0)
 854                 {
 855                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 856                 X509_STORE_CTX_cleanup(&inctx);
 857                 goto done;
 858                 }
 859         req = OCSP_REQUEST_new();
 860         if (!req)
 861                 goto err;
 862         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 863         X509_free(obj.data.x509);
 864         X509_STORE_CTX_cleanup(&inctx);
 865         if (!id)
 866                 goto err;
 867         if (!OCSP_request_add0_id(req, id))
 868                 goto err;
 869         id = NULL;
 870         /* Add any extensions to the request */
 871         SSL_get_tlsext_status_exts(s, &exts);
 872         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 873                 {
 874                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 875                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 876                         goto err;
 877                 }
 878         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 879                                         srctx->timeout);
 880         if (!resp)
 881                 {
 882                 BIO_puts(err, "cert_status: error querying responder\n");
 883                 goto done;
 884                 }
 885         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 886         if (rspderlen <= 0)
 887                 goto err;
 888         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 889         if (srctx->verbose)
 890                 {
 891                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 892                 OCSP_RESPONSE_print(err, resp, 2);
 893                 }
 894         ret = SSL_TLSEXT_ERR_OK;
 895         done:
 896         if (ret != SSL_TLSEXT_ERR_OK)
 897                 ERR_print_errors(err);
 898         if (aia)
 899                 {
 900                 OPENSSL_free(host);
 901                 OPENSSL_free(path);
 902                 OPENSSL_free(port);
 903                 X509_email_free(aia);
 904                 }
 905         if (id)
 906                 OCSP_CERTID_free(id);
 907         if (req)
 908                 OCSP_REQUEST_free(req);
 909         if (resp)
 910                 OCSP_RESPONSE_free(resp);
 911         return ret;
 912         err:
 913         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 914         goto done;
 915         }
 916
 917 # ifndef OPENSSL_NO_NEXTPROTONEG
 918 /* This is the context that we pass to next_proto_cb */
 919 typedef struct tlsextnextprotoctx_st {
 920         unsigned char *data;
 921         unsigned int len;
 922 } tlsextnextprotoctx;
 923
 924 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 925         {
 926         tlsextnextprotoctx *next_proto = arg;
 927
 928         *data = next_proto->data;
 929         *len = next_proto->len;
 930
 931         return SSL_TLSEXT_ERR_OK;
 932         }
 933 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 934 #endif
 935
 936 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 937         {
 938         /* disable resumption for sessions with forward secure ciphers */
 939         return is_forward_secure;
 940         }
 941
 942 int MAIN(int, char **);
 943
 944 #ifndef OPENSSL_NO_JPAKE
 945 static char *jpake_secret = NULL;
 946 #endif
 947 #ifndef OPENSSL_NO_SRP
 948         static srpsrvparm srp_callback_parm;
 949 #endif
 950 static char *srtp_profiles = NULL;
 951
 952 int MAIN(int argc, char *argv[])
 953         {
 954         X509_VERIFY_PARAM *vpm = NULL;
 955         int badarg = 0;
 956         short port=PORT;
 957         char *CApath=NULL,*CAfile=NULL;
 958         char *chCApath=NULL,*chCAfile=NULL;
 959         char *vfyCApath=NULL,*vfyCAfile=NULL;
 960         unsigned char *context = NULL;
 961         char *dhfile = NULL;
 962 #ifndef OPENSSL_NO_ECDH
 963         char *named_curve = NULL;
 964 #endif
 965         int badop=0,bugs=0;
 966         int ret=1;
 967         int off=0;
 968         unsigned int cert_flags = 0;
 969         int build_chain = 0;
 970         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 971         int state=0;
 972         const SSL_METHOD *meth=NULL;
 973         int socket_type=SOCK_STREAM;
 974         ENGINE *e=NULL;
 975         char *inrand=NULL;
 976         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 977         char *passarg = NULL, *pass = NULL;
 978         char *dpassarg = NULL, *dpass = NULL;
 979         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 980         X509 *s_cert = NULL, *s_dcert = NULL;
 981         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 982         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 983         int no_cache = 0, ext_cache = 0;
 984 #ifndef OPENSSL_NO_TLSEXT
 985         EVP_PKEY *s_key2 = NULL;
 986         X509 *s_cert2 = NULL;
 987         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 988 # ifndef OPENSSL_NO_NEXTPROTONEG
 989         const char *next_proto_neg_in = NULL;
 990         tlsextnextprotoctx next_proto;
 991 # endif
 992 #endif
 993 #ifndef OPENSSL_NO_PSK
 994         /* by default do not send a PSK identity hint */
 995         static char *psk_identity_hint=NULL;
 996 #endif
 997 #ifndef OPENSSL_NO_SRP
 998         char *srpuserseed = NULL;
 999         char *srp_verifier_file = NULL;
1000 #endif
1001         SSL_EXCERT *exc = NULL;
1002         meth=SSLv23_server_method();
1003
1004         local_argc=argc;
1005         local_argv=argv;
1006
1007         apps_startup();
1008 #ifdef MONOLITH
1009         s_server_init();
1010 #endif
1011
1012         if (bio_err == NULL)
1013                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1014
1015         if (!load_config(bio_err, NULL))
1016                 goto end;
1017
1018         verify_depth=0;
1019 #ifdef FIONBIO
1020         s_nbio=0;
1021 #endif
1022         s_nbio_test=0;
1023
1024         argc--;
1025         argv++;
1026
1027         while (argc >= 1)
1028                 {
1029                 if      ((strcmp(*argv,"-port") == 0) ||
1030                          (strcmp(*argv,"-accept") == 0))
1031                         {
1032                         if (--argc < 1) goto bad;
1033                         if (!extract_port(*(++argv),&port))
1034                                 goto bad;
1035                         }
1036                 else if (strcmp(*argv,"-verify") == 0)
1037                         {
1038                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1039                         if (--argc < 1) goto bad;
1040                         verify_depth=atoi(*(++argv));
1041                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1042                         }
1043                 else if (strcmp(*argv,"-Verify") == 0)
1044                         {
1045                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1046                                 SSL_VERIFY_CLIENT_ONCE;
1047                         if (--argc < 1) goto bad;
1048                         verify_depth=atoi(*(++argv));
1049                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1050                         }
1051                 else if (strcmp(*argv,"-context") == 0)
1052                         {
1053                         if (--argc < 1) goto bad;
1054                         context= (unsigned char *)*(++argv);
1055                         }
1056                 else if (strcmp(*argv,"-cert") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         s_cert_file= *(++argv);
1060                         }
1061 #ifndef OPENSSL_NO_TLSEXT
1062                 else if (strcmp(*argv,"-authz") == 0)
1063                         {
1064                         if (--argc < 1) goto bad;
1065                         s_authz_file = *(++argv);
1066                         }
1067 #endif
1068                 else if (strcmp(*argv,"-certform") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         s_cert_format = str2fmt(*(++argv));
1072                         }
1073                 else if (strcmp(*argv,"-key") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         s_key_file= *(++argv);
1077                         }
1078                 else if (strcmp(*argv,"-keyform") == 0)
1079                         {
1080                         if (--argc < 1) goto bad;
1081                         s_key_format = str2fmt(*(++argv));
1082                         }
1083                 else if (strcmp(*argv,"-pass") == 0)
1084                         {
1085                         if (--argc < 1) goto bad;
1086                         passarg = *(++argv);
1087                         }
1088                 else if (strcmp(*argv,"-cert_chain") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         s_chain_file= *(++argv);
1092                         }
1093                 else if (strcmp(*argv,"-dhparam") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         dhfile = *(++argv);
1097                         }
1098 #ifndef OPENSSL_NO_ECDH
1099                 else if (strcmp(*argv,"-named_curve") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         named_curve = *(++argv);
1103                         }
1104 #endif
1105                 else if (strcmp(*argv,"-dcertform") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         s_dcert_format = str2fmt(*(++argv));
1109                         }
1110                 else if (strcmp(*argv,"-dcert") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         s_dcert_file= *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-dkeyform") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         s_dkey_format = str2fmt(*(++argv));
1119                         }
1120                 else if (strcmp(*argv,"-dpass") == 0)
1121                         {
1122                         if (--argc < 1) goto bad;
1123                         dpassarg = *(++argv);
1124                         }
1125                 else if (strcmp(*argv,"-dkey") == 0)
1126                         {
1127                         if (--argc < 1) goto bad;
1128                         s_dkey_file= *(++argv);
1129                         }
1130                 else if (strcmp(*argv,"-dcert_chain") == 0)
1131                         {
1132                         if (--argc < 1) goto bad;
1133                         s_dchain_file= *(++argv);
1134                         }
1135                 else if (strcmp(*argv,"-nocert") == 0)
1136                         {
1137                         nocert=1;
1138                         }
1139                 else if (strcmp(*argv,"-CApath") == 0)
1140                         {
1141                         if (--argc < 1) goto bad;
1142                         CApath= *(++argv);
1143                         }
1144                 else if (strcmp(*argv,"-chainCApath") == 0)
1145                         {
1146                         if (--argc < 1) goto bad;
1147                         chCApath= *(++argv);
1148                         }
1149                 else if (strcmp(*argv,"-verifyCApath") == 0)
1150                         {
1151                         if (--argc < 1) goto bad;
1152                         vfyCApath= *(++argv);
1153                         }
1154                 else if (strcmp(*argv,"-no_cache") == 0)
1155                         no_cache = 1;
1156                 else if (strcmp(*argv,"-ext_cache") == 0)
1157                         ext_cache = 1;
1158                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1159                         {
1160                         if (badarg)
1161                                 goto bad;
1162                         continue;
1163                         }
1164                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1165                         {
1166                         if (badarg)
1167                                 goto bad;
1168                         continue;
1169                         }
1170                 else if (strcmp(*argv,"-verify_return_error") == 0)
1171                         verify_return_error = 1;
1172                 else if (strcmp(*argv,"-serverpref") == 0)
1173                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1174                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1175                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1176                 else if (strcmp(*argv,"-cipher") == 0)
1177                         {
1178                         if (--argc < 1) goto bad;
1179                         cipher= *(++argv);
1180                         }
1181                 else if (strcmp(*argv,"-build_chain") == 0)
1182                         build_chain = 1;
1183                 else if (strcmp(*argv,"-CAfile") == 0)
1184                         {
1185                         if (--argc < 1) goto bad;
1186                         CAfile= *(++argv);
1187                         }
1188                 else if (strcmp(*argv,"-chainCAfile") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         chCAfile= *(++argv);
1192                         }
1193                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1194                         {
1195                         if (--argc < 1) goto bad;
1196                         vfyCAfile= *(++argv);
1197                         }
1198 #ifdef FIONBIO
1199                 else if (strcmp(*argv,"-nbio") == 0)
1200                         { s_nbio=1; }
1201 #endif
1202                 else if (strcmp(*argv,"-nbio_test") == 0)
1203                         {
1204 #ifdef FIONBIO
1205                         s_nbio=1;
1206 #endif
1207                         s_nbio_test=1;
1208                         }
1209                 else if (strcmp(*argv,"-debug") == 0)
1210                         { s_debug=1; }
1211 #ifndef OPENSSL_NO_TLSEXT
1212                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1213                         s_tlsextdebug=1;
1214                 else if (strcmp(*argv,"-status") == 0)
1215                         s_tlsextstatus=1;
1216                 else if (strcmp(*argv,"-status_verbose") == 0)
1217                         {
1218                         s_tlsextstatus=1;
1219                         tlscstatp.verbose = 1;
1220                         }
1221                 else if (!strcmp(*argv, "-status_timeout"))
1222                         {
1223                         s_tlsextstatus=1;
1224                         if (--argc < 1) goto bad;
1225                         tlscstatp.timeout = atoi(*(++argv));
1226                         }
1227                 else if (!strcmp(*argv, "-status_url"))
1228                         {
1229                         s_tlsextstatus=1;
1230                         if (--argc < 1) goto bad;
1231                         if (!OCSP_parse_url(*(++argv),
1232                                         &tlscstatp.host,
1233                                         &tlscstatp.port,
1234                                         &tlscstatp.path,
1235                                         &tlscstatp.use_ssl))
1236                                 {
1237                                 BIO_printf(bio_err, "Error parsing URL\n");
1238                                 goto bad;
1239                                 }
1240                         }
1241                 else if (strcmp(*argv,"-curves") == 0)
1242                         {
1243                         if (--argc < 1) goto bad;
1244                         curves= *(++argv);
1245                         }
1246                 else if (strcmp(*argv,"-sigalgs") == 0)
1247                         {
1248                         if (--argc < 1) goto bad;
1249                         sigalgs= *(++argv);
1250                         }
1251                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1252                         {
1253                         if (--argc < 1) goto bad;
1254                         client_sigalgs= *(++argv);
1255                         }
1256 #endif
1257                 else if (strcmp(*argv,"-msg") == 0)
1258                         { s_msg=1; }
1259                 else if (strcmp(*argv,"-msgfile") == 0)
1260                         {
1261                         if (--argc < 1) goto bad;
1262                         bio_s_msg = BIO_new_file(*(++argv), "w");
1263                         }
1264 #ifndef OPENSSL_NO_SSL_TRACE
1265                 else if (strcmp(*argv,"-trace") == 0)
1266                         { s_msg=2; }
1267 #endif
1268                 else if (strcmp(*argv,"-hack") == 0)
1269                         { hack=1; }
1270                 else if (strcmp(*argv,"-state") == 0)
1271                         { state=1; }
1272                 else if (strcmp(*argv,"-crlf") == 0)
1273                         { s_crlf=1; }
1274                 else if (strcmp(*argv,"-quiet") == 0)
1275                         { s_quiet=1; }
1276                 else if (strcmp(*argv,"-bugs") == 0)
1277                         { bugs=1; }
1278                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1279                         { no_tmp_rsa=1; }
1280                 else if (strcmp(*argv,"-no_dhe") == 0)
1281                         { no_dhe=1; }
1282                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1283                         { no_ecdhe=1; }
1284                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1285                         { no_resume_ephemeral = 1; }
1286 #ifndef OPENSSL_NO_PSK
1287                 else if (strcmp(*argv,"-psk_hint") == 0)
1288                         {
1289                         if (--argc < 1) goto bad;
1290                         psk_identity_hint= *(++argv);
1291                         }
1292                 else if (strcmp(*argv,"-psk") == 0)
1293                         {
1294                         size_t i;
1295
1296                         if (--argc < 1) goto bad;
1297                         psk_key=*(++argv);
1298                         for (i=0; i<strlen(psk_key); i++)
1299                                 {
1300                                 if (isxdigit((unsigned char)psk_key[i]))
1301                                         continue;
1302                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1303                                 goto bad;
1304                                 }
1305                         }
1306 #endif
1307 #ifndef OPENSSL_NO_SRP
1308                 else if (strcmp(*argv, "-srpvfile") == 0)
1309                         {
1310                         if (--argc < 1) goto bad;
1311                         srp_verifier_file = *(++argv);
1312                         meth = TLSv1_server_method();
1313                         }
1314                 else if (strcmp(*argv, "-srpuserseed") == 0)
1315                         {
1316                         if (--argc < 1) goto bad;
1317                         srpuserseed = *(++argv);
1318                         meth = TLSv1_server_method();
1319                         }
1320 #endif
1321                 else if (strcmp(*argv,"-www") == 0)
1322                         { www=1; }
1323                 else if (strcmp(*argv,"-WWW") == 0)
1324                         { www=2; }
1325                 else if (strcmp(*argv,"-HTTP") == 0)
1326                         { www=3; }
1327                 else if (strcmp(*argv,"-no_ssl2") == 0)
1328                         { off|=SSL_OP_NO_SSLv2; }
1329                 else if (strcmp(*argv,"-no_ssl3") == 0)
1330                         { off|=SSL_OP_NO_SSLv3; }
1331                 else if (strcmp(*argv,"-no_tls1") == 0)
1332                         { off|=SSL_OP_NO_TLSv1; }
1333                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1334                         { off|=SSL_OP_NO_TLSv1_1; }
1335                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1336                         { off|=SSL_OP_NO_TLSv1_2; }
1337                 else if (strcmp(*argv,"-no_comp") == 0)
1338                         { off|=SSL_OP_NO_COMPRESSION; }
1339 #ifndef OPENSSL_NO_TLSEXT
1340                 else if (strcmp(*argv,"-no_ticket") == 0)
1341                         { off|=SSL_OP_NO_TICKET; }
1342 #endif
1343 #ifndef OPENSSL_NO_SSL2
1344                 else if (strcmp(*argv,"-ssl2") == 0)
1345                         { meth=SSLv2_server_method(); }
1346 #endif
1347 #ifndef OPENSSL_NO_SSL3
1348                 else if (strcmp(*argv,"-ssl3") == 0)
1349                         { meth=SSLv3_server_method(); }
1350 #endif
1351 #ifndef OPENSSL_NO_TLS1
1352                 else if (strcmp(*argv,"-tls1") == 0)
1353                         { meth=TLSv1_server_method(); }
1354                 else if (strcmp(*argv,"-tls1_1") == 0)
1355                         { meth=TLSv1_1_server_method(); }
1356                 else if (strcmp(*argv,"-tls1_2") == 0)
1357                         { meth=TLSv1_2_server_method(); }
1358 #endif
1359 #ifndef OPENSSL_NO_DTLS1
1360                 else if (strcmp(*argv,"-dtls1") == 0)
1361                         {
1362                         meth=DTLSv1_server_method();
1363                         socket_type = SOCK_DGRAM;
1364                         }
1365                 else if (strcmp(*argv,"-timeout") == 0)
1366                         enable_timeouts = 1;
1367                 else if (strcmp(*argv,"-mtu") == 0)
1368                         {
1369                         if (--argc < 1) goto bad;
1370                         socket_mtu = atol(*(++argv));
1371                         }
1372                 else if (strcmp(*argv, "-chain") == 0)
1373                         cert_chain = 1;
1374 #endif
1375                 else if (strcmp(*argv, "-id_prefix") == 0)
1376                         {
1377                         if (--argc < 1) goto bad;
1378                         session_id_prefix = *(++argv);
1379                         }
1380 #ifndef OPENSSL_NO_ENGINE
1381                 else if (strcmp(*argv,"-engine") == 0)
1382                         {
1383                         if (--argc < 1) goto bad;
1384                         engine_id= *(++argv);
1385                         }
1386 #endif
1387                 else if (strcmp(*argv,"-rand") == 0)
1388                         {
1389                         if (--argc < 1) goto bad;
1390                         inrand= *(++argv);
1391                         }
1392 #ifndef OPENSSL_NO_TLSEXT
1393                 else if (strcmp(*argv,"-servername") == 0)
1394                         {
1395                         if (--argc < 1) goto bad;
1396                         tlsextcbp.servername= *(++argv);
1397                         }
1398                 else if (strcmp(*argv,"-servername_fatal") == 0)
1399                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1400                 else if (strcmp(*argv,"-cert2") == 0)
1401                         {
1402                         if (--argc < 1) goto bad;
1403                         s_cert_file2= *(++argv);
1404                         }
1405                 else if (strcmp(*argv,"-key2") == 0)
1406                         {
1407                         if (--argc < 1) goto bad;
1408                         s_key_file2= *(++argv);
1409                         }
1410 # ifndef OPENSSL_NO_NEXTPROTONEG
1411                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1412                         {
1413                         if (--argc < 1) goto bad;
1414                         next_proto_neg_in = *(++argv);
1415                         }
1416 # endif
1417 #endif
1418 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1419                 else if (strcmp(*argv,"-jpake") == 0)
1420                         {
1421                         if (--argc < 1) goto bad;
1422                         jpake_secret = *(++argv);
1423                         }
1424 #endif
1425                 else if (strcmp(*argv,"-use_srtp") == 0)
1426                         {
1427                         if (--argc < 1) goto bad;
1428                         srtp_profiles = *(++argv);
1429                         }
1430                 else if (strcmp(*argv,"-keymatexport") == 0)
1431                         {
1432                         if (--argc < 1) goto bad;
1433                         keymatexportlabel= *(++argv);
1434                         }
1435                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1436                         {
1437                         if (--argc < 1) goto bad;
1438                         keymatexportlen=atoi(*(++argv));
1439                         if (keymatexportlen == 0) goto bad;
1440                         }
1441                 else if (strcmp(*argv, "-cert_strict") == 0)
1442                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1443 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1444                 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1445                         cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1446 #endif
1447                 else
1448                         {
1449                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1450                         badop=1;
1451                         break;
1452                         }
1453                 argc--;
1454                 argv++;
1455                 }
1456         if (badop)
1457                 {
1458 bad:
1459                 sv_usage();
1460                 goto end;
1461                 }
1462
1463 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1464         if (jpake_secret)
1465                 {
1466                 if (psk_key)
1467                         {
1468                         BIO_printf(bio_err,
1469                                    "Can't use JPAKE and PSK together\n");
1470                         goto end;
1471                         }
1472                 psk_identity = "JPAKE";
1473                 if (cipher)
1474                         {
1475                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1476                         goto end;
1477                         }
1478                 cipher = "PSK";
1479                 }
1480
1481 #endif
1482
1483         SSL_load_error_strings();
1484         OpenSSL_add_ssl_algorithms();
1485
1486 #ifndef OPENSSL_NO_ENGINE
1487         e = setup_engine(bio_err, engine_id, 1);
1488 #endif
1489
1490         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1491                 {
1492                 BIO_printf(bio_err, "Error getting password\n");
1493                 goto end;
1494                 }
1495
1496
1497         if (s_key_file == NULL)
1498                 s_key_file = s_cert_file;
1499 #ifndef OPENSSL_NO_TLSEXT
1500         if (s_key_file2 == NULL)
1501                 s_key_file2 = s_cert_file2;
1502 #endif
1503
1504         if (!load_excert(&exc, bio_err))
1505                 goto end;
1506
1507         if (nocert == 0)
1508                 {
1509                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1510                        "server certificate private key file");
1511                 if (!s_key)
1512                         {
1513                         ERR_print_errors(bio_err);
1514                         goto end;
1515                         }
1516
1517                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1518                         NULL, e, "server certificate file");
1519
1520                 if (!s_cert)
1521                         {
1522                         ERR_print_errors(bio_err);
1523                         goto end;
1524                         }
1525                 if (s_chain_file)
1526                         {
1527                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1528                                         NULL, e, "server certificate chain");
1529                         if (!s_chain)
1530                                 goto end;
1531                         }
1532
1533 #ifndef OPENSSL_NO_TLSEXT
1534                 if (tlsextcbp.servername)
1535                         {
1536                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1537                                 "second server certificate private key file");
1538                         if (!s_key2)
1539                                 {
1540                                 ERR_print_errors(bio_err);
1541                                 goto end;
1542                                 }
1543
1544                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1545                                 NULL, e, "second server certificate file");
1546
1547                         if (!s_cert2)
1548                                 {
1549                                 ERR_print_errors(bio_err);
1550                                 goto end;
1551                                 }
1552                         }
1553 #endif /* OPENSSL_NO_TLSEXT */
1554                 }
1555
1556 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1557         if (next_proto_neg_in)
1558                 {
1559                 unsigned short len;
1560                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1561                 if (next_proto.data == NULL)
1562                         goto end;
1563                 next_proto.len = len;
1564                 }
1565         else
1566                 {
1567                 next_proto.data = NULL;
1568                 }
1569 #endif
1570
1571
1572         if (s_dcert_file)
1573                 {
1574
1575                 if (s_dkey_file == NULL)
1576                         s_dkey_file = s_dcert_file;
1577
1578                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1579                                 0, dpass, e,
1580                                "second certificate private key file");
1581                 if (!s_dkey)
1582                         {
1583                         ERR_print_errors(bio_err);
1584                         goto end;
1585                         }
1586
1587                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1588                                 NULL, e, "second server certificate file");
1589
1590                 if (!s_dcert)
1591                         {
1592                         ERR_print_errors(bio_err);
1593                         goto end;
1594                         }
1595                 if (s_dchain_file)
1596                         {
1597                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1598                                 NULL, e, "second server certificate chain");
1599                         if (!s_dchain)
1600                                 goto end;
1601                         }
1602
1603                 }
1604
1605         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1606                 && !RAND_status())
1607                 {
1608                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1609                 }
1610         if (inrand != NULL)
1611                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1612                         app_RAND_load_files(inrand));
1613
1614         if (bio_s_out == NULL)
1615                 {
1616                 if (s_quiet && !s_debug && !s_msg)
1617                         {
1618                         bio_s_out=BIO_new(BIO_s_null());
1619                         }
1620                 else
1621                         {
1622                         if (bio_s_out == NULL)
1623                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1624                         }
1625                 }
1626
1627 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1628         if (nocert)
1629 #endif
1630                 {
1631                 s_cert_file=NULL;
1632                 s_key_file=NULL;
1633                 s_dcert_file=NULL;
1634                 s_dkey_file=NULL;
1635 #ifndef OPENSSL_NO_TLSEXT
1636                 s_cert_file2=NULL;
1637                 s_key_file2=NULL;
1638 #endif
1639                 }
1640
1641         ctx=SSL_CTX_new(meth);
1642         if (ctx == NULL)
1643                 {
1644                 ERR_print_errors(bio_err);
1645                 goto end;
1646                 }
1647         if (session_id_prefix)
1648                 {
1649                 if(strlen(session_id_prefix) >= 32)
1650                         BIO_printf(bio_err,
1651 "warning: id_prefix is too long, only one new session will be possible\n");
1652                 else if(strlen(session_id_prefix) >= 16)
1653                         BIO_printf(bio_err,
1654 "warning: id_prefix is too long if you use SSLv2\n");
1655                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1656                         {
1657                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1658                         ERR_print_errors(bio_err);
1659                         goto end;
1660                         }
1661                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1662                 }
1663         SSL_CTX_set_quiet_shutdown(ctx,1);
1664         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1665         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1666         SSL_CTX_set_options(ctx,off);
1667         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1668         if (exc) ssl_ctx_set_excert(ctx, exc);
1669         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1670          * Setting read ahead solves this problem.
1671          */
1672         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1673
1674         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1675         if (no_cache)
1676                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1677         else if (ext_cache)
1678                 init_session_cache_ctx(ctx);
1679         else
1680                 SSL_CTX_sess_set_cache_size(ctx,128);
1681
1682         if (srtp_profiles != NULL)
1683                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1684
1685 #if 0
1686         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1687 #endif
1688
1689 #if 0
1690         if (s_cert_file == NULL)
1691                 {
1692                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1693                 goto end;
1694                 }
1695 #endif
1696
1697         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1698                 (!SSL_CTX_set_default_verify_paths(ctx)))
1699                 {
1700                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1701                 ERR_print_errors(bio_err);
1702                 /* goto end; */
1703                 }
1704         if (vpm)
1705                 SSL_CTX_set1_param(ctx, vpm);
1706
1707         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1708                 {
1709                 BIO_printf(bio_err, "Error loading store locations\n");
1710                 ERR_print_errors(bio_err);
1711                 goto end;
1712                 }
1713
1714 #ifndef OPENSSL_NO_TLSEXT
1715         if (s_cert2)
1716                 {
1717                 ctx2=SSL_CTX_new(meth);
1718                 if (ctx2 == NULL)
1719                         {
1720                         ERR_print_errors(bio_err);
1721                         goto end;
1722                         }
1723                 }
1724
1725         if (ctx2)
1726                 {
1727                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1728
1729                 if (session_id_prefix)
1730                         {
1731                         if(strlen(session_id_prefix) >= 32)
1732                                 BIO_printf(bio_err,
1733                                         "warning: id_prefix is too long, only one new session will be possible\n");
1734                         else if(strlen(session_id_prefix) >= 16)
1735                                 BIO_printf(bio_err,
1736                                         "warning: id_prefix is too long if you use SSLv2\n");
1737                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1738                                 {
1739                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1740                                 ERR_print_errors(bio_err);
1741                                 goto end;
1742                                 }
1743                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1744                         }
1745                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1746                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1747                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1748                 SSL_CTX_set_options(ctx2,off);
1749                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1750                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1751                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1752                  * Setting read ahead solves this problem.
1753                  */
1754                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1755
1756                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1757
1758                 if (no_cache)
1759                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1760                 else if (ext_cache)
1761                         init_session_cache_ctx(ctx2);
1762                 else
1763                         SSL_CTX_sess_set_cache_size(ctx2,128);
1764
1765                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1766                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1767                         {
1768                         ERR_print_errors(bio_err);
1769                         }
1770                 if (vpm)
1771                         SSL_CTX_set1_param(ctx2, vpm);
1772                 }
1773
1774 # ifndef OPENSSL_NO_NEXTPROTONEG
1775         if (next_proto.data)
1776                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1777 # endif
1778 #endif
1779
1780 #ifndef OPENSSL_NO_DH
1781         if (!no_dhe)
1782                 {
1783                 DH *dh=NULL;
1784
1785                 if (dhfile)
1786                         dh = load_dh_param(dhfile);
1787                 else if (s_cert_file)
1788                         dh = load_dh_param(s_cert_file);
1789
1790                 if (dh != NULL)
1791                         {
1792                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1793                         }
1794                 else
1795                         {
1796                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1797                         dh=get_dh512();
1798                         }
1799                 (void)BIO_flush(bio_s_out);
1800
1801                 SSL_CTX_set_tmp_dh(ctx,dh);
1802 #ifndef OPENSSL_NO_TLSEXT
1803                 if (ctx2)
1804                         {
1805                         if (!dhfile)
1806                                 {
1807                                 DH *dh2=load_dh_param(s_cert_file2);
1808                                 if (dh2 != NULL)
1809                                         {
1810                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1811                                         (void)BIO_flush(bio_s_out);
1812
1813                                         DH_free(dh);
1814                                         dh = dh2;
1815                                         }
1816                                 }
1817                         SSL_CTX_set_tmp_dh(ctx2,dh);
1818                         }
1819 #endif
1820                 DH_free(dh);
1821                 }
1822 #endif
1823
1824 #ifndef OPENSSL_NO_ECDH
1825         if (!no_ecdhe)
1826                 {
1827                 EC_KEY *ecdh=NULL;
1828
1829                 if (named_curve && strcmp(named_curve, "auto"))
1830                         {
1831                         int nid = EC_curve_nist2nid(named_curve);
1832                         if (nid == NID_undef)
1833                                 nid = OBJ_sn2nid(named_curve);
1834                         if (nid == 0)
1835                                 {
1836                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1837                                         named_curve);
1838                                 goto end;
1839                                 }
1840                         ecdh = EC_KEY_new_by_curve_name(nid);
1841                         if (ecdh == NULL)
1842                                 {
1843                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1844                                         named_curve);
1845                                 goto end;
1846                                 }
1847                         }
1848
1849                 if (ecdh != NULL)
1850                         {
1851                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1852                         }
1853                 else if (named_curve)
1854                         SSL_CTX_set_ecdh_auto(ctx, 1);
1855                 else
1856                         {
1857                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1858                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1859                         if (ecdh == NULL)
1860                                 {
1861                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1862                                 goto end;
1863                                 }
1864                         }
1865                 (void)BIO_flush(bio_s_out);
1866
1867                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1868 #ifndef OPENSSL_NO_TLSEXT
1869                 if (ctx2)
1870                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1871 #endif
1872                 EC_KEY_free(ecdh);
1873                 }
1874 #endif
1875
1876         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1877                 goto end;
1878 #ifndef OPENSSL_NO_TLSEXT
1879         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1880                 goto end;
1881 #endif
1882 #ifndef OPENSSL_NO_TLSEXT
1883         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1884                 goto end;
1885 #endif
1886         if (s_dcert != NULL)
1887                 {
1888                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1889                         goto end;
1890                 }
1891
1892 #ifndef OPENSSL_NO_RSA
1893 #if 1
1894         if (!no_tmp_rsa)
1895                 {
1896                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1897 #ifndef OPENSSL_NO_TLSEXT
1898                 if (ctx2)
1899                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1900 #endif
1901                 }
1902 #else
1903         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1904                 {
1905                 RSA *rsa;
1906
1907                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1908                 BIO_flush(bio_s_out);
1909
1910                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1911
1912                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1913                         {
1914                         ERR_print_errors(bio_err);
1915                         goto end;
1916                         }
1917 #ifndef OPENSSL_NO_TLSEXT
1918                         if (ctx2)
1919                                 {
1920                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1921                                         {
1922                                         ERR_print_errors(bio_err);
1923                                         goto end;
1924                                         }
1925                                 }
1926 #endif
1927                 RSA_free(rsa);
1928                 BIO_printf(bio_s_out,"\n");
1929                 }
1930 #endif
1931 #endif
1932
1933         if (no_resume_ephemeral)
1934                 {
1935                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1936 #ifndef OPENSSL_NO_TLSEXT
1937                 if (ctx2)
1938                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1939 #endif
1940                 }
1941
1942 #ifndef OPENSSL_NO_PSK
1943 #ifdef OPENSSL_NO_JPAKE
1944         if (psk_key != NULL)
1945 #else
1946         if (psk_key != NULL || jpake_secret)
1947 #endif
1948                 {
1949                 if (s_debug)
1950                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1951                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1952                 }
1953
1954         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1955                 {
1956                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1957                 ERR_print_errors(bio_err);
1958                 goto end;
1959                 }
1960 #endif
1961
1962         if (cipher != NULL)
1963                 {
1964                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1965                         {
1966                         BIO_printf(bio_err,"error setting cipher list\n");
1967                         ERR_print_errors(bio_err);
1968                         goto end;
1969                         }
1970 #ifndef OPENSSL_NO_TLSEXT
1971                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1972                         {
1973                         BIO_printf(bio_err,"error setting cipher list\n");
1974                         ERR_print_errors(bio_err);
1975                         goto end;
1976                         }
1977 #endif
1978                 }
1979 #ifndef OPENSSL_NO_TLSEXT
1980         if (curves)
1981                 {
1982                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1983                         {
1984                         BIO_printf(bio_err,"error setting curves list\n");
1985                         ERR_print_errors(bio_err);
1986                         goto end;
1987                         }
1988                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1989                         {
1990                         BIO_printf(bio_err,"error setting curves list\n");
1991                         ERR_print_errors(bio_err);
1992                         goto end;
1993                         }
1994                 }
1995         if (sigalgs)
1996                 {
1997                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
1998                         {
1999                         BIO_printf(bio_err,"error setting signature algorithms\n");
2000                         ERR_print_errors(bio_err);
2001                         goto end;
2002                         }
2003                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
2004                         {
2005                         BIO_printf(bio_err,"error setting signature algorithms\n");
2006                         ERR_print_errors(bio_err);
2007                         goto end;
2008                         }
2009                 }
2010         if (client_sigalgs)
2011                 {
2012                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
2013                         {
2014                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2015                         ERR_print_errors(bio_err);
2016                         goto end;
2017                         }
2018                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
2019                         {
2020                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2021                         ERR_print_errors(bio_err);
2022                         goto end;
2023                         }
2024                 }
2025 #endif
2026         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2027         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2028                 sizeof s_server_session_id_context);
2029
2030         /* Set DTLS cookie generation and verification callbacks */
2031         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2032         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2033
2034 #ifndef OPENSSL_NO_TLSEXT
2035         if (ctx2)
2036                 {
2037                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2038                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2039                         sizeof s_server_session_id_context);
2040
2041                 tlsextcbp.biodebug = bio_s_out;
2042                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2043                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2044                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2045                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2046                 }
2047 #endif
2048
2049 #ifndef OPENSSL_NO_SRP
2050         if (srp_verifier_file != NULL)
2051                 {
2052                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2053                 srp_callback_parm.user = NULL;
2054                 srp_callback_parm.login = NULL;
2055                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2056                         {
2057                         BIO_printf(bio_err,
2058                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2059                                    srp_verifier_file, ret);
2060                                 goto end;
2061                         }
2062                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2063                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2064                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2065                 }
2066         else
2067 #endif
2068         if (CAfile != NULL)
2069                 {
2070                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2071 #ifndef OPENSSL_NO_TLSEXT
2072                 if (ctx2)
2073                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2074 #endif
2075                 }
2076
2077         BIO_printf(bio_s_out,"ACCEPT\n");
2078         (void)BIO_flush(bio_s_out);
2079         if (www)
2080                 do_server(port,socket_type,&accept_socket,www_body, context);
2081         else
2082                 do_server(port,socket_type,&accept_socket,sv_body, context);
2083         print_stats(bio_s_out,ctx);
2084         ret=0;
2085 end:
2086         if (ctx != NULL) SSL_CTX_free(ctx);
2087         if (s_cert)
2088                 X509_free(s_cert);
2089         if (s_dcert)
2090                 X509_free(s_dcert);
2091         if (s_key)
2092                 EVP_PKEY_free(s_key);
2093         if (s_dkey)
2094                 EVP_PKEY_free(s_dkey);
2095         if (s_chain)
2096                 sk_X509_pop_free(s_chain, X509_free);
2097         if (s_dchain)
2098                 sk_X509_pop_free(s_dchain, X509_free);
2099         if (pass)
2100                 OPENSSL_free(pass);
2101         if (dpass)
2102                 OPENSSL_free(dpass);
2103         free_sessions();
2104 #ifndef OPENSSL_NO_TLSEXT
2105         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2106         if (s_cert2)
2107                 X509_free(s_cert2);
2108         if (s_key2)
2109                 EVP_PKEY_free(s_key2);
2110         if (authz_in != NULL)
2111                 BIO_free(authz_in);
2112 #endif
2113         ssl_excert_free(exc);
2114         if (bio_s_out != NULL)
2115                 {
2116         BIO_free(bio_s_out);
2117                 bio_s_out=NULL;
2118                 }
2119         if (bio_s_msg != NULL)
2120                 {
2121                 BIO_free(bio_s_msg);
2122                 bio_s_msg = NULL;
2123                 }
2124         apps_shutdown();
2125         OPENSSL_EXIT(ret);
2126         }
2127
2128 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2129         {
2130         BIO_printf(bio,"%4ld items in the session cache\n",
2131                 SSL_CTX_sess_number(ssl_ctx));
2132         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2133                 SSL_CTX_sess_connect(ssl_ctx));
2134         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2135                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2136         BIO_printf(bio,"%4ld client connects that finished\n",
2137                 SSL_CTX_sess_connect_good(ssl_ctx));
2138         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2139                 SSL_CTX_sess_accept(ssl_ctx));
2140         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2141                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2142         BIO_printf(bio,"%4ld server accepts that finished\n",
2143                 SSL_CTX_sess_accept_good(ssl_ctx));
2144         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2145         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2146         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2147         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2148         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2149                 SSL_CTX_sess_cache_full(ssl_ctx),
2150                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2151         }
2152
2153 static int sv_body(char *hostname, int s, unsigned char *context)
2154         {
2155         char *buf=NULL;
2156         fd_set readfds;
2157         int ret=1,width;
2158         int k,i;
2159         unsigned long l;
2160         SSL *con=NULL;
2161         BIO *sbio;
2162 #ifndef OPENSSL_NO_KRB5
2163         KSSL_CTX *kctx;
2164 #endif
2165         struct timeval timeout;
2166 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2167         struct timeval tv;
2168 #else
2169         struct timeval *timeoutp;
2170 #endif
2171
2172         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2173                 {
2174                 BIO_printf(bio_err,"out of memory\n");
2175                 goto err;
2176                 }
2177 #ifdef FIONBIO
2178         if (s_nbio)
2179                 {
2180                 unsigned long sl=1;
2181
2182                 if (!s_quiet)
2183                         BIO_printf(bio_err,"turning on non blocking io\n");
2184                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2185                         ERR_print_errors(bio_err);
2186                 }
2187 #endif
2188
2189         if (con == NULL) {
2190                 con=SSL_new(ctx);
2191 #ifndef OPENSSL_NO_TLSEXT
2192         if (s_tlsextdebug)
2193                 {
2194                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2195                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2196                 }
2197         if (s_tlsextstatus)
2198                 {
2199                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2200                 tlscstatp.err = bio_err;
2201                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2202                 }
2203 #endif
2204 #ifndef OPENSSL_NO_KRB5
2205                 if ((kctx = kssl_ctx_new()) != NULL)
2206                         {
2207                         SSL_set0_kssl_ctx(con, kctx);
2208                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2209                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2210                         }
2211 #endif  /* OPENSSL_NO_KRB5 */
2212                 if(context)
2213                       SSL_set_session_id_context(con, context,
2214                                                  strlen((char *)context));
2215         }
2216         SSL_clear(con);
2217 #if 0
2218 #ifdef TLSEXT_TYPE_opaque_prf_input
2219         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2220 #endif
2221 #endif
2222
2223         if (SSL_version(con) == DTLS1_VERSION)
2224                 {
2225
2226                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2227
2228                 if (enable_timeouts)
2229                         {
2230                         timeout.tv_sec = 0;
2231                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2232                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2233
2234                         timeout.tv_sec = 0;
2235                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2236                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2237                         }
2238
2239                 if (socket_mtu > 28)
2240                         {
2241                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2242                         SSL_set_mtu(con, socket_mtu - 28);
2243                         }
2244                 else
2245                         /* want to do MTU discovery */
2246                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2247
2248         /* turn on cookie exchange */
2249         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2250                 }
2251         else
2252                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2253
2254         if (s_nbio_test)
2255                 {
2256                 BIO *test;
2257
2258                 test=BIO_new(BIO_f_nbio_test());
2259                 sbio=BIO_push(test,sbio);
2260                 }
2261 #ifndef OPENSSL_NO_JPAKE
2262         if(jpake_secret)
2263                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2264 #endif
2265
2266         SSL_set_bio(con,sbio,sbio);
2267         SSL_set_accept_state(con);
2268         /* SSL_set_fd(con,s); */
2269
2270         if (s_debug)
2271                 {
2272                 SSL_set_debug(con, 1);
2273                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2274                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2275                 }
2276         if (s_msg)
2277                 {
2278 #ifndef OPENSSL_NO_SSL_TRACE
2279                 if (s_msg == 2)
2280                         SSL_set_msg_callback(con, SSL_trace);
2281                 else
2282 #endif
2283                         SSL_set_msg_callback(con, msg_cb);
2284                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2285                 }
2286 #ifndef OPENSSL_NO_TLSEXT
2287         if (s_tlsextdebug)
2288                 {
2289                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2290                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2291                 }
2292 #endif
2293
2294         width=s+1;
2295         for (;;)
2296                 {
2297                 int read_from_terminal;
2298                 int read_from_sslcon;
2299
2300                 read_from_terminal = 0;
2301                 read_from_sslcon = SSL_pending(con);
2302
2303                 if (!read_from_sslcon)
2304                         {
2305                         FD_ZERO(&readfds);
2306 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2307                         openssl_fdset(fileno(stdin),&readfds);
2308 #endif
2309                         openssl_fdset(s,&readfds);
2310                         /* Note: under VMS with SOCKETSHR the second parameter is
2311                          * currently of type (int *) whereas under other systems
2312                          * it is (void *) if you don't have a cast it will choke
2313                          * the compiler: if you do have a cast then you can either
2314                          * go for (int *) or (void *).
2315                          */
2316 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2317                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2318                          * on sockets. As a workaround we timeout the select every
2319                          * second and check for any keypress. In a proper Windows
2320                          * application we wouldn't do this because it is inefficient.
2321                          */
2322                         tv.tv_sec = 1;
2323                         tv.tv_usec = 0;
2324                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2325                         if((i < 0) || (!i && !_kbhit() ) )continue;
2326                         if(_kbhit())
2327                                 read_from_terminal = 1;
2328 #elif defined(OPENSSL_SYS_BEOS_R5)
2329                         /* Under BeOS-R5 the situation is similar to DOS */
2330                         tv.tv_sec = 1;
2331                         tv.tv_usec = 0;
2332                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2333                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2334                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2335                                 continue;
2336                         if (read(fileno(stdin), buf, 0) >= 0)
2337                                 read_from_terminal = 1;
2338                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2339 #else
2340                         if ((SSL_version(con) == DTLS1_VERSION) &&
2341                                 DTLSv1_get_timeout(con, &timeout))
2342                                 timeoutp = &timeout;
2343                         else
2344                                 timeoutp = NULL;
2345
2346                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2347
2348                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2349                                 {
2350                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2351                                 }
2352
2353                         if (i <= 0) continue;
2354                         if (FD_ISSET(fileno(stdin),&readfds))
2355                                 read_from_terminal = 1;
2356 #endif
2357                         if (FD_ISSET(s,&readfds))
2358                                 read_from_sslcon = 1;
2359                         }
2360                 if (read_from_terminal)
2361                         {
2362                         if (s_crlf)
2363                                 {
2364                                 int j, lf_num;
2365
2366                                 i=raw_read_stdin(buf, bufsize/2);
2367                                 lf_num = 0;
2368                                 /* both loops are skipped when i <= 0 */
2369                                 for (j = 0; j < i; j++)
2370                                         if (buf[j] == '\n')
2371                                                 lf_num++;
2372                                 for (j = i-1; j >= 0; j--)
2373                                         {
2374                                         buf[j+lf_num] = buf[j];
2375                                         if (buf[j] == '\n')
2376                                                 {
2377                                                 lf_num--;
2378                                                 i++;
2379                                                 buf[j+lf_num] = '\r';
2380                                                 }
2381                                         }
2382                                 assert(lf_num == 0);
2383                                 }
2384                         else
2385                                 i=raw_read_stdin(buf,bufsize);
2386                         if (!s_quiet)
2387                                 {
2388                                 if ((i <= 0) || (buf[0] == 'Q'))
2389                                         {
2390                                         BIO_printf(bio_s_out,"DONE\n");
2391                                         SHUTDOWN(s);
2392                                         close_accept_socket();
2393                                         ret= -11;
2394                                         goto err;
2395                                         }
2396                                 if ((i <= 0) || (buf[0] == 'q'))
2397                                         {
2398                                         BIO_printf(bio_s_out,"DONE\n");
2399                                         if (SSL_version(con) != DTLS1_VERSION)
2400                         SHUTDOWN(s);
2401         /*                              close_accept_socket();
2402                                         ret= -11;*/
2403                                         goto err;
2404                                         }
2405
2406 #ifndef OPENSSL_NO_HEARTBEATS
2407                                 if ((buf[0] == 'B') &&
2408                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2409                                         {
2410                                         BIO_printf(bio_err,"HEARTBEATING\n");
2411                                         SSL_heartbeat(con);
2412                                         i=0;
2413                                         continue;
2414                                         }
2415 #endif
2416                                 if ((buf[0] == 'r') &&
2417                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2418                                         {
2419                                         SSL_renegotiate(con);
2420                                         i=SSL_do_handshake(con);
2421                                         printf("SSL_do_handshake -> %d\n",i);
2422                                         i=0; /*13; */
2423                                         continue;
2424                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2425                                         }
2426                                 if ((buf[0] == 'R') &&
2427                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2428                                         {
2429                                         SSL_set_verify(con,
2430                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2431                                         SSL_renegotiate(con);
2432                                         i=SSL_do_handshake(con);
2433                                         printf("SSL_do_handshake -> %d\n",i);
2434                                         i=0; /* 13; */
2435                                         continue;
2436                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2437                                         }
2438                                 if (buf[0] == 'P')
2439                                         {
2440                                         static const char *str="Lets print some clear text\n";
2441                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2442                                         }
2443                                 if (buf[0] == 'S')
2444                                         {
2445                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2446                                         }
2447                                 }
2448 #ifdef CHARSET_EBCDIC
2449                         ebcdic2ascii(buf,buf,i);
2450 #endif
2451                         l=k=0;
2452                         for (;;)
2453                                 {
2454                                 /* should do a select for the write */
2455 #ifdef RENEG
2456 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2457 #endif
2458                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2459 #ifndef OPENSSL_NO_SRP
2460                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2461                                         {
2462                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2463                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2464                                         if (srp_callback_parm.user)
2465                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2466                                         else
2467                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2468                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2469                                         }
2470 #endif
2471                                 switch (SSL_get_error(con,k))
2472                                         {
2473                                 case SSL_ERROR_NONE:
2474                                         break;
2475                                 case SSL_ERROR_WANT_WRITE:
2476                                 case SSL_ERROR_WANT_READ:
2477                                 case SSL_ERROR_WANT_X509_LOOKUP:
2478                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2479                                         break;
2480                                 case SSL_ERROR_SYSCALL:
2481                                 case SSL_ERROR_SSL:
2482                                         BIO_printf(bio_s_out,"ERROR\n");
2483                                         ERR_print_errors(bio_err);
2484                                         ret=1;
2485                                         goto err;
2486                                         /* break; */
2487                                 case SSL_ERROR_ZERO_RETURN:
2488                                         BIO_printf(bio_s_out,"DONE\n");
2489                                         ret=1;
2490                                         goto err;
2491                                         }
2492                                 l+=k;
2493                                 i-=k;
2494                                 if (i <= 0) break;
2495                                 }
2496                         }
2497                 if (read_from_sslcon)
2498                         {
2499                         if (!SSL_is_init_finished(con))
2500                                 {
2501                                 i=init_ssl_connection(con);
2502
2503                                 if (i < 0)
2504                                         {
2505                                         ret=0;
2506                                         goto err;
2507                                         }
2508                                 else if (i == 0)
2509                                         {
2510                                         ret=1;
2511                                         goto err;
2512                                         }
2513                                 }
2514                         else
2515                                 {
2516 again:
2517                                 i=SSL_read(con,(char *)buf,bufsize);
2518 #ifndef OPENSSL_NO_SRP
2519                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2520                                         {
2521                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2522                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2523                                         if (srp_callback_parm.user)
2524                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2525                                         else
2526                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2527                                         i=SSL_read(con,(char *)buf,bufsize);
2528                                         }
2529 #endif
2530                                 switch (SSL_get_error(con,i))
2531                                         {
2532                                 case SSL_ERROR_NONE:
2533 #ifdef CHARSET_EBCDIC
2534                                         ascii2ebcdic(buf,buf,i);
2535 #endif
2536                                         raw_write_stdout(buf,
2537                                                 (unsigned int)i);
2538                                         if (SSL_pending(con)) goto again;
2539                                         break;
2540                                 case SSL_ERROR_WANT_WRITE:
2541                                 case SSL_ERROR_WANT_READ:
2542                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2543                                         break;
2544                                 case SSL_ERROR_SYSCALL:
2545                                 case SSL_ERROR_SSL:
2546                                         BIO_printf(bio_s_out,"ERROR\n");
2547                                         ERR_print_errors(bio_err);
2548                                         ret=1;
2549                                         goto err;
2550                                 case SSL_ERROR_ZERO_RETURN:
2551                                         BIO_printf(bio_s_out,"DONE\n");
2552                                         ret=1;
2553                                         goto err;
2554                                         }
2555                                 }
2556                         }
2557                 }
2558 err:
2559         if (con != NULL)
2560                 {
2561                 BIO_printf(bio_s_out,"shutting down SSL\n");
2562 #if 1
2563                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2564 #else
2565                 SSL_shutdown(con);
2566 #endif
2567                 SSL_free(con);
2568                 }
2569         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2570         if (buf != NULL)
2571                 {
2572                 OPENSSL_cleanse(buf,bufsize);
2573                 OPENSSL_free(buf);
2574                 }
2575         if (ret >= 0)
2576                 BIO_printf(bio_s_out,"ACCEPT\n");
2577         return(ret);
2578         }
2579
2580 static void close_accept_socket(void)
2581         {
2582         BIO_printf(bio_err,"shutdown accept socket\n");
2583         if (accept_socket >= 0)
2584                 {
2585                 SHUTDOWN2(accept_socket);
2586                 }
2587         }
2588
2589 static int init_ssl_connection(SSL *con)
2590         {
2591         int i;
2592         const char *str;
2593         X509 *peer;
2594         long verify_error;
2595         MS_STATIC char buf[BUFSIZ];
2596 #ifndef OPENSSL_NO_KRB5
2597         char *client_princ;
2598 #endif
2599 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2600         const unsigned char *next_proto_neg;
2601         unsigned next_proto_neg_len;
2602 #endif
2603         unsigned char *exportedkeymat;
2604
2605
2606         i=SSL_accept(con);
2607 #ifndef OPENSSL_NO_SRP
2608         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2609                 {
2610                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2611                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2612                         if (srp_callback_parm.user)
2613                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2614                         else
2615                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2616                         i=SSL_accept(con);
2617                 }
2618 #endif
2619         if (i <= 0)
2620                 {
2621                 if (BIO_sock_should_retry(i))
2622                         {
2623                         BIO_printf(bio_s_out,"DELAY\n");
2624                         return(1);
2625                         }
2626
2627                 BIO_printf(bio_err,"ERROR\n");
2628                 verify_error=SSL_get_verify_result(con);
2629                 if (verify_error != X509_V_OK)
2630                         {
2631                         BIO_printf(bio_err,"verify error:%s\n",
2632                                 X509_verify_cert_error_string(verify_error));
2633                         }
2634                 /* Always print any error messages */
2635                 ERR_print_errors(bio_err);
2636                 return(0);
2637                 }
2638
2639         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2640
2641         peer=SSL_get_peer_certificate(con);
2642         if (peer != NULL)
2643                 {
2644                 BIO_printf(bio_s_out,"Client certificate\n");
2645                 PEM_write_bio_X509(bio_s_out,peer);
2646                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2647                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2648                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2649                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2650                 X509_free(peer);
2651                 }
2652
2653         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2654                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2655         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2656         ssl_print_sigalgs(bio_s_out, con);
2657         ssl_print_curves(bio_s_out, con);
2658         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2659
2660 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2661         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2662         if (next_proto_neg)
2663                 {
2664                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2665                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2666                 BIO_printf(bio_s_out, "\n");
2667                 }
2668 #endif
2669         {
2670         SRTP_PROTECTION_PROFILE *srtp_profile
2671           = SSL_get_selected_srtp_profile(con);
2672
2673         if(srtp_profile)
2674                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2675                            srtp_profile->name);
2676         }
2677         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2678         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2679                 TLS1_FLAGS_TLS_PADDING_BUG)
2680                 BIO_printf(bio_s_out,
2681                            "Peer has incorrect TLSv1 block padding\n");
2682 #ifndef OPENSSL_NO_KRB5
2683         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2684         if (client_princ != NULL)
2685                 {
2686                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2687                                                                 client_princ);
2688                 }
2689 #endif /* OPENSSL_NO_KRB5 */
2690         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2691                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2692         if (keymatexportlabel != NULL)
2693                 {
2694                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2695                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2696                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2697                            keymatexportlen);
2698                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2699                 if (exportedkeymat != NULL)
2700                         {
2701                         if (!SSL_export_keying_material(con, exportedkeymat,
2702                                                         keymatexportlen,
2703                                                         keymatexportlabel,
2704                                                         strlen(keymatexportlabel),
2705                                                         NULL, 0, 0))
2706                                 {
2707                                 BIO_printf(bio_s_out, "    Error\n");
2708                                 }
2709                         else
2710                                 {
2711                                 BIO_printf(bio_s_out, "    Keying material: ");
2712                                 for (i=0; i<keymatexportlen; i++)
2713                                         BIO_printf(bio_s_out, "%02X",
2714                                                    exportedkeymat[i]);
2715                                 BIO_printf(bio_s_out, "\n");
2716                                 }
2717                         OPENSSL_free(exportedkeymat);
2718                         }
2719                 }
2720
2721         return(1);
2722         }
2723
2724 #ifndef OPENSSL_NO_DH
2725 static DH *load_dh_param(const char *dhfile)
2726         {
2727         DH *ret=NULL;
2728         BIO *bio;
2729
2730         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2731                 goto err;
2732         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2733 err:
2734         if (bio != NULL) BIO_free(bio);
2735         return(ret);
2736         }
2737 #endif
2738
2739 #if 0
2740 static int load_CA(SSL_CTX *ctx, char *file)
2741         {
2742         FILE *in;
2743         X509 *x=NULL;
2744
2745         if ((in=fopen(file,"r")) == NULL)
2746                 return(0);
2747
2748         for (;;)
2749                 {
2750                 if (PEM_read_X509(in,&x,NULL) == NULL)
2751                         break;
2752                 SSL_CTX_add_client_CA(ctx,x);
2753                 }
2754         if (x != NULL) X509_free(x);
2755         fclose(in);
2756         return(1);
2757         }
2758 #endif
2759
2760 static int www_body(char *hostname, int s, unsigned char *context)
2761         {
2762         char *buf=NULL;
2763         int ret=1;
2764         int i,j,k,dot;
2765         SSL *con;
2766         const SSL_CIPHER *c;
2767         BIO *io,*ssl_bio,*sbio;
2768 #ifndef OPENSSL_NO_KRB5
2769         KSSL_CTX *kctx;
2770 #endif
2771
2772         buf=OPENSSL_malloc(bufsize);
2773         if (buf == NULL) return(0);
2774         io=BIO_new(BIO_f_buffer());
2775         ssl_bio=BIO_new(BIO_f_ssl());
2776         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2777
2778 #ifdef FIONBIO
2779         if (s_nbio)
2780                 {
2781                 unsigned long sl=1;
2782
2783                 if (!s_quiet)
2784                         BIO_printf(bio_err,"turning on non blocking io\n");
2785                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2786                         ERR_print_errors(bio_err);
2787                 }
2788 #endif
2789
2790         /* lets make the output buffer a reasonable size */
2791         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2792
2793         if ((con=SSL_new(ctx)) == NULL) goto err;
2794 #ifndef OPENSSL_NO_TLSEXT
2795                 if (s_tlsextdebug)
2796                         {
2797                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2798                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2799                         }
2800 #endif
2801 #ifndef OPENSSL_NO_KRB5
2802         if ((kctx = kssl_ctx_new()) != NULL)
2803                 {
2804                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2805                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2806                 }
2807 #endif  /* OPENSSL_NO_KRB5 */
2808         if(context) SSL_set_session_id_context(con, context,
2809                                                strlen((char *)context));
2810
2811         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2812         if (s_nbio_test)
2813                 {
2814                 BIO *test;
2815
2816                 test=BIO_new(BIO_f_nbio_test());
2817                 sbio=BIO_push(test,sbio);
2818                 }
2819         SSL_set_bio(con,sbio,sbio);
2820         SSL_set_accept_state(con);
2821
2822         /* SSL_set_fd(con,s); */
2823         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2824         BIO_push(io,ssl_bio);
2825 #ifdef CHARSET_EBCDIC
2826         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2827 #endif
2828
2829         if (s_debug)
2830                 {
2831                 SSL_set_debug(con, 1);
2832                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2833                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2834                 }
2835         if (s_msg)
2836                 {
2837 #ifndef OPENSSL_NO_SSL_TRACE
2838                 if (s_msg == 2)
2839                         SSL_set_msg_callback(con, SSL_trace);
2840                 else
2841 #endif
2842                         SSL_set_msg_callback(con, msg_cb);
2843                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2844                 }
2845
2846         for (;;)
2847                 {
2848                 if (hack)
2849                         {
2850                         i=SSL_accept(con);
2851 #ifndef OPENSSL_NO_SRP
2852                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2853                 {
2854                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2855                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2856                         if (srp_callback_parm.user)
2857                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2858                         else
2859                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2860                         i=SSL_accept(con);
2861                 }
2862 #endif
2863                         switch (SSL_get_error(con,i))
2864                                 {
2865                         case SSL_ERROR_NONE:
2866                                 break;
2867                         case SSL_ERROR_WANT_WRITE:
2868                         case SSL_ERROR_WANT_READ:
2869                         case SSL_ERROR_WANT_X509_LOOKUP:
2870                                 continue;
2871                         case SSL_ERROR_SYSCALL:
2872                         case SSL_ERROR_SSL:
2873                         case SSL_ERROR_ZERO_RETURN:
2874                                 ret=1;
2875                                 goto err;
2876                                 /* break; */
2877                                 }
2878
2879                         SSL_renegotiate(con);
2880                         SSL_write(con,NULL,0);
2881                         }
2882
2883                 i=BIO_gets(io,buf,bufsize-1);
2884                 if (i < 0) /* error */
2885                         {
2886                         if (!BIO_should_retry(io))
2887                                 {
2888                                 if (!s_quiet)
2889                                         ERR_print_errors(bio_err);
2890                                 goto err;
2891                                 }
2892                         else
2893                                 {
2894                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2895 #if defined(OPENSSL_SYS_NETWARE)
2896             delay(1000);
2897 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2898                                 sleep(1);
2899 #endif
2900                                 continue;
2901                                 }
2902                         }
2903                 else if (i == 0) /* end of input */
2904                         {
2905                         ret=1;
2906                         goto end;
2907                         }
2908
2909                 /* else we have data */
2910                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2911                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2912                         {
2913                         char *p;
2914                         X509 *peer;
2915                         STACK_OF(SSL_CIPHER) *sk;
2916                         static const char *space="                          ";
2917
2918                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2919                         {
2920                         if (strncmp("GET /renegcert", buf, 14) == 0)
2921                                 SSL_set_verify(con,
2922                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2923                         i=SSL_renegotiate(con);
2924                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2925                         i=SSL_do_handshake(con);
2926                         if (i <= 0)
2927                                 {
2928                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2929                                 ERR_print_errors(bio_err);
2930                                 goto err;
2931                                 }
2932                         /* EVIL HACK! */
2933                         SSL_set_state(con, SSL_ST_ACCEPT);
2934                         i=SSL_do_handshake(con);
2935                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2936                         if (i <= 0)
2937                                 {
2938                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2939                                 ERR_print_errors(bio_err);
2940                                 goto err;
2941                                 }
2942                         }
2943
2944                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2945                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2946                         BIO_puts(io,"<pre>\n");
2947 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2948                         BIO_puts(io,"\n");
2949                         for (i=0; i<local_argc; i++)
2950                                 {
2951                                 BIO_puts(io,local_argv[i]);
2952                                 BIO_write(io," ",1);
2953                                 }
2954                         BIO_puts(io,"\n");
2955
2956                         BIO_printf(io,
2957                                 "Secure Renegotiation IS%s supported\n",
2958                                 SSL_get_secure_renegotiation_support(con) ?
2959                                                         "" : " NOT");
2960
2961                         /* The following is evil and should not really
2962                          * be done */
2963                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2964                         sk=SSL_get_ciphers(con);
2965                         j=sk_SSL_CIPHER_num(sk);
2966                         for (i=0; i<j; i++)
2967                                 {
2968                                 c=sk_SSL_CIPHER_value(sk,i);
2969                                 BIO_printf(io,"%-11s:%-25s",
2970                                         SSL_CIPHER_get_version(c),
2971                                         SSL_CIPHER_get_name(c));
2972                                 if ((((i+1)%2) == 0) && (i+1 != j))
2973                                         BIO_puts(io,"\n");
2974                                 }
2975                         BIO_puts(io,"\n");
2976                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2977                         if (p != NULL)
2978                                 {
2979                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2980                                 j=i=0;
2981                                 while (*p)
2982                                         {
2983                                         if (*p == ':')
2984                                                 {
2985                                                 BIO_write(io,space,26-j);
2986                                                 i++;
2987                                                 j=0;
2988                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2989                                                 }
2990                                         else
2991                                                 {
2992                                                 BIO_write(io,p,1);
2993                                                 j++;
2994                                                 }
2995                                         p++;
2996                                         }
2997                                 BIO_puts(io,"\n");
2998                                 }
2999                         ssl_print_sigalgs(io, con);
3000                         ssl_print_curves(io, con);
3001                         BIO_printf(io,(SSL_cache_hit(con)
3002                                 ?"---\nReused, "
3003                                 :"---\nNew, "));
3004                         c=SSL_get_current_cipher(con);
3005                         BIO_printf(io,"%s, Cipher is %s\n",
3006                                 SSL_CIPHER_get_version(c),
3007                                 SSL_CIPHER_get_name(c));
3008                         SSL_SESSION_print(io,SSL_get_session(con));
3009                         BIO_printf(io,"---\n");
3010                         print_stats(io,SSL_get_SSL_CTX(con));
3011                         BIO_printf(io,"---\n");
3012                         peer=SSL_get_peer_certificate(con);
3013                         if (peer != NULL)
3014                                 {
3015                                 BIO_printf(io,"Client certificate\n");
3016                                 X509_print(io,peer);
3017                                 PEM_write_bio_X509(io,peer);
3018                                 }
3019                         else
3020                                 BIO_puts(io,"no client certificate available\n");
3021                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3022                         break;
3023                         }
3024                 else if ((www == 2 || www == 3)
3025                          && (strncmp("GET /",buf,5) == 0))
3026                         {
3027                         BIO *file;
3028                         char *p,*e;
3029                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3030
3031                         /* skip the '/' */
3032                         p= &(buf[5]);
3033
3034                         dot = 1;
3035                         for (e=p; *e != '\0'; e++)
3036                                 {
3037                                 if (e[0] == ' ')
3038                                         break;
3039
3040                                 switch (dot)
3041                                         {
3042                                 case 1:
3043                                         dot = (e[0] == '.') ? 2 : 0;
3044                                         break;
3045                                 case 2:
3046                                         dot = (e[0] == '.') ? 3 : 0;
3047                                         break;
3048                                 case 3:
3049                                         dot = (e[0] == '/') ? -1 : 0;
3050                                         break;
3051                                         }
3052                                 if (dot == 0)
3053                                         dot = (e[0] == '/') ? 1 : 0;
3054                                 }
3055                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3056
3057                         if (*e == '\0')
3058                                 {
3059                                 BIO_puts(io,text);
3060                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3061                                 break;
3062                                 }
3063                         *e='\0';
3064
3065                         if (dot)
3066                                 {
3067                                 BIO_puts(io,text);
3068                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3069                                 break;
3070                                 }
3071
3072                         if (*p == '/')
3073                                 {
3074                                 BIO_puts(io,text);
3075                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3076                                 break;
3077                                 }
3078
3079 #if 0
3080                         /* append if a directory lookup */
3081                         if (e[-1] == '/')
3082                                 strcat(p,"index.html");
3083 #endif
3084
3085                         /* if a directory, do the index thang */
3086                         if (app_isdir(p)>0)
3087                                 {
3088 #if 0 /* must check buffer size */
3089                                 strcat(p,"/index.html");
3090 #else
3091                                 BIO_puts(io,text);
3092                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3093                                 break;
3094 #endif
3095                                 }
3096
3097                         if ((file=BIO_new_file(p,"r")) == NULL)
3098                                 {
3099                                 BIO_puts(io,text);
3100                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3101                                 ERR_print_errors(io);
3102                                 break;
3103                                 }
3104
3105                         if (!s_quiet)
3106                                 BIO_printf(bio_err,"FILE:%s\n",p);
3107
3108                         if (www == 2)
3109                                 {
3110                                 i=strlen(p);
3111                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3112                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3113                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3114                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3115                                 else
3116                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3117                                 }
3118                         /* send the file */
3119                         for (;;)
3120                                 {
3121                                 i=BIO_read(file,buf,bufsize);
3122                                 if (i <= 0) break;
3123
3124 #ifdef RENEG
3125                                 total_bytes+=i;
3126                                 fprintf(stderr,"%d\n",i);
3127                                 if (total_bytes > 3*1024)
3128                                         {
3129                                         total_bytes=0;
3130                                         fprintf(stderr,"RENEGOTIATE\n");
3131                                         SSL_renegotiate(con);
3132                                         }
3133 #endif
3134
3135                                 for (j=0; j<i; )
3136                                         {
3137 #ifdef RENEG
3138 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3139 #endif
3140                                         k=BIO_write(io,&(buf[j]),i-j);
3141                                         if (k <= 0)
3142                                                 {
3143                                                 if (!BIO_should_retry(io))
3144                                                         goto write_error;
3145                                                 else
3146                                                         {
3147                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3148                                                         }
3149                                                 }
3150                                         else
3151                                                 {
3152                                                 j+=k;
3153                                                 }
3154                                         }
3155                                 }
3156 write_error:
3157                         BIO_free(file);
3158                         break;
3159                         }
3160                 }
3161
3162         for (;;)
3163                 {
3164                 i=(int)BIO_flush(io);
3165                 if (i <= 0)
3166                         {
3167                         if (!BIO_should_retry(io))
3168                                 break;
3169                         }
3170                 else
3171                         break;
3172                 }
3173 end:
3174 #if 1
3175         /* make sure we re-use sessions */
3176         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3177 #else
3178         /* This kills performance */
3179 /*      SSL_shutdown(con); A shutdown gets sent in the
3180  *      BIO_free_all(io) procession */
3181 #endif
3182
3183 err:
3184
3185         if (ret >= 0)
3186                 BIO_printf(bio_s_out,"ACCEPT\n");
3187
3188         if (buf != NULL) OPENSSL_free(buf);
3189         if (io != NULL) BIO_free_all(io);
3190 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3191         return(ret);
3192         }
3193
3194 #ifndef OPENSSL_NO_RSA
3195 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3196         {
3197         BIGNUM *bn = NULL;
3198         static RSA *rsa_tmp=NULL;
3199
3200         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3201                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3202         if (!rsa_tmp && bn)
3203                 {
3204                 if (!s_quiet)
3205                         {
3206                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3207                         (void)BIO_flush(bio_err);
3208                         }
3209                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3210                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3211                         {
3212                         if(rsa_tmp) RSA_free(rsa_tmp);
3213                         rsa_tmp = NULL;
3214                         }
3215                 if (!s_quiet)
3216                         {
3217                         BIO_printf(bio_err,"\n");
3218                         (void)BIO_flush(bio_err);
3219                         }
3220                 BN_free(bn);
3221                 }
3222         return(rsa_tmp);
3223         }
3224 #endif
3225
3226 #define MAX_SESSION_ID_ATTEMPTS 10
3227 static int generate_session_id(const SSL *ssl, unsigned char *id,
3228                                 unsigned int *id_len)
3229         {
3230         unsigned int count = 0;
3231         do      {
3232                 RAND_pseudo_bytes(id, *id_len);
3233                 /* Prefix the session_id with the required prefix. NB: If our
3234                  * prefix is too long, clip it - but there will be worse effects
3235                  * anyway, eg. the server could only possibly create 1 session
3236                  * ID (ie. the prefix!) so all future session negotiations will
3237                  * fail due to conflicts. */
3238                 memcpy(id, session_id_prefix,
3239                         (strlen(session_id_prefix) < *id_len) ?
3240                         strlen(session_id_prefix) : *id_len);
3241                 }
3242         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3243                 (++count < MAX_SESSION_ID_ATTEMPTS));
3244         if(count >= MAX_SESSION_ID_ATTEMPTS)
3245                 return 0;
3246         return 1;
3247         }
3248
3249 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3250  * structures without any serialisation. This hides some bugs which only
3251  * become apparent in deployed servers. By implementing a basic external
3252  * session cache some issues can be debugged using s_server.
3253  */
3254
3255 typedef struct simple_ssl_session_st
3256         {
3257         unsigned char *id;
3258         unsigned int idlen;
3259         unsigned char *der;
3260         int derlen;
3261         struct simple_ssl_session_st *next;
3262         } simple_ssl_session;
3263
3264 static simple_ssl_session *first = NULL;
3265
3266 static int add_session(SSL *ssl, SSL_SESSION *session)
3267         {
3268         simple_ssl_session *sess;
3269         unsigned char *p;
3270
3271         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3272
3273         SSL_SESSION_get_id(session, &sess->idlen);
3274         sess->derlen = i2d_SSL_SESSION(session, NULL);
3275
3276         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3277
3278         sess->der = OPENSSL_malloc(sess->derlen);
3279         p = sess->der;
3280         i2d_SSL_SESSION(session, &p);
3281
3282         sess->next = first;
3283         first = sess;
3284         BIO_printf(bio_err, "New session added to external cache\n");
3285         return 0;
3286         }
3287
3288 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3289                                         int *do_copy)
3290         {
3291         simple_ssl_session *sess;
3292         *do_copy = 0;
3293         for (sess = first; sess; sess = sess->next)
3294                 {
3295                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3296                         {
3297                         const unsigned char *p = sess->der;
3298                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3299                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3300                         }
3301                 }
3302         BIO_printf(bio_err, "Lookup session: cache miss\n");
3303         return NULL;
3304         }
3305
3306 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3307         {
3308         simple_ssl_session *sess, *prev = NULL;
3309         const unsigned char *id;
3310         unsigned int idlen;
3311         id = SSL_SESSION_get_id(session, &idlen);
3312         for (sess = first; sess; sess = sess->next)
3313                 {
3314                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3315                         {
3316                         if(prev)
3317                                 prev->next = sess->next;
3318                         else
3319                                 first = sess->next;
3320                         OPENSSL_free(sess->id);
3321                         OPENSSL_free(sess->der);
3322                         OPENSSL_free(sess);
3323                         return;
3324                         }
3325                 prev = sess;
3326                 }
3327         }
3328
3329 static void init_session_cache_ctx(SSL_CTX *sctx)
3330         {
3331         SSL_CTX_set_session_cache_mode(sctx,
3332                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3333         SSL_CTX_sess_set_new_cb(sctx, add_session);
3334         SSL_CTX_sess_set_get_cb(sctx, get_session);
3335         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3336         }
3337
3338 static void free_sessions(void)
3339         {
3340         simple_ssl_session *sess, *tsess;
3341         for (sess = first; sess;)
3342                 {
3343                 OPENSSL_free(sess->id);
3344                 OPENSSL_free(sess->der);
3345                 tsess = sess;
3346                 sess = sess->next;
3347                 OPENSSL_free(tsess);
3348                 }
3349         first = NULL;
3350         }
3351
3352 static int ssl_load_stores(SSL_CTX *sctx,
3353                         const char *vfyCApath, const char *vfyCAfile,
3354                         const char *chCApath, const char *chCAfile)
3355         {
3356         X509_STORE *vfy = NULL, *ch = NULL;
3357         int rv = 0;
3358         if (vfyCApath || vfyCAfile)
3359                 {
3360                 vfy = X509_STORE_new();
3361                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3362                         goto err;
3363                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3364                 }
3365         if (chCApath || chCAfile)
3366                 {
3367                 ch = X509_STORE_new();
3368                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3369                         goto err;
3370                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3371                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3372                 }
3373         rv = 1;
3374         err:
3375         if (vfy)
3376                 X509_STORE_free(vfy);
3377         if (ch)
3378                 X509_STORE_free(ch);
3379         return rv;
3380         }
3381
3382
3383
3384
3385
3386
3387
3388
3389