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, verify_quiet;
 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 static int s_brief=0;
 307
 308 static char *keymatexportlabel=NULL;
 309 static int keymatexportlen=20;
 310
 311 static int hack=0;
 312 #ifndef OPENSSL_NO_ENGINE
 313 static char *engine_id=NULL;
 314 #endif
 315 static const char *session_id_prefix=NULL;
 316
 317 static int enable_timeouts = 0;
 318 static long socket_mtu;
 319 #ifndef OPENSSL_NO_DTLS1
 320 static int cert_chain = 0;
 321 #endif
 322
 323 #ifndef OPENSSL_NO_TLSEXT
 324 static BIO *authz_in = NULL;
 325 static const char *s_authz_file = NULL;
 326 #endif
 327
 328 #ifndef OPENSSL_NO_PSK
 329 static char *psk_identity="Client_identity";
 330 char *psk_key=NULL; /* by default PSK is not used */
 331
 332 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 333         unsigned char *psk, unsigned int max_psk_len)
 334         {
 335         unsigned int psk_len = 0;
 336         int ret;
 337         BIGNUM *bn = NULL;
 338
 339         if (s_debug)
 340                 BIO_printf(bio_s_out,"psk_server_cb\n");
 341         if (!identity)
 342                 {
 343                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 344                 goto out_err;
 345                 }
 346         if (s_debug)
 347                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 348                         identity ? (int)strlen(identity) : 0, identity);
 349
 350         /* here we could lookup the given identity e.g. from a database */
 351         if (strcmp(identity, psk_identity) != 0)
 352                 {
 353                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 354                            " (got '%s' expected '%s')\n", identity,
 355                            psk_identity);
 356                 goto out_err;
 357                 }
 358         if (s_debug)
 359                 BIO_printf(bio_s_out, "PSK client identity found\n");
 360
 361         /* convert the PSK key to binary */
 362         ret = BN_hex2bn(&bn, psk_key);
 363         if (!ret)
 364                 {
 365                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 366                 if (bn)
 367                         BN_free(bn);
 368                 return 0;
 369                 }
 370         if (BN_num_bytes(bn) > (int)max_psk_len)
 371                 {
 372                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 373                         max_psk_len, BN_num_bytes(bn));
 374                 BN_free(bn);
 375                 return 0;
 376                 }
 377
 378         ret = BN_bn2bin(bn, psk);
 379         BN_free(bn);
 380
 381         if (ret < 0)
 382                 goto out_err;
 383         psk_len = (unsigned int)ret;
 384
 385         if (s_debug)
 386                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 387         return psk_len;
 388  out_err:
 389         if (s_debug)
 390                 BIO_printf(bio_err, "Error in PSK server callback\n");
 391         return 0;
 392         }
 393 #endif
 394
 395 #ifndef OPENSSL_NO_SRP
 396 /* This is a context that we pass to callbacks */
 397 typedef struct srpsrvparm_st
 398         {
 399         char *login;
 400         SRP_VBASE *vb;
 401         SRP_user_pwd *user;
 402         } srpsrvparm;
 403
 404 /* This callback pretends to require some asynchronous logic in order to obtain
 405    a verifier. When the callback is called for a new connection we return
 406    with a negative value. This will provoke the accept etc to return with
 407    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 408    (which would normally occur after a worker has finished) and we
 409    set the user parameters.
 410 */
 411 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 412         {
 413         srpsrvparm *p = (srpsrvparm *)arg;
 414         if (p->login == NULL && p->user == NULL )
 415                 {
 416                 p->login = SSL_get_srp_username(s);
 417                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 418                 return (-1) ;
 419                 }
 420
 421         if (p->user == NULL)
 422                 {
 423                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 424                 return SSL3_AL_FATAL;
 425                 }
 426         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 427                                      p->user->info) < 0)
 428                 {
 429                 *ad = SSL_AD_INTERNAL_ERROR;
 430                 return SSL3_AL_FATAL;
 431                 }
 432         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 433         /* need to check whether there are memory leaks */
 434         p->user = NULL;
 435         p->login = NULL;
 436         return SSL_ERROR_NONE;
 437         }
 438
 439 #endif
 440
 441 #ifdef MONOLITH
 442 static void s_server_init(void)
 443         {
 444         accept_socket=-1;
 445         cipher=NULL;
 446         s_server_verify=SSL_VERIFY_NONE;
 447         s_dcert_file=NULL;
 448         s_dkey_file=NULL;
 449         s_dchain_file=NULL;
 450         s_cert_file=TEST_CERT;
 451         s_key_file=NULL;
 452         s_chain_file=NULL;
 453 #ifndef OPENSSL_NO_TLSEXT
 454         curves=NULL;
 455         s_cert_file2=TEST_CERT2;
 456         s_key_file2=NULL;
 457         ctx2=NULL;
 458 #endif
 459 #ifdef FIONBIO
 460         s_nbio=0;
 461 #endif
 462         s_nbio_test=0;
 463         ctx=NULL;
 464         www=0;
 465
 466         bio_s_out=NULL;
 467         s_debug=0;
 468         s_msg=0;
 469         s_quiet=0;
 470         s_brief=0;
 471         hack=0;
 472 #ifndef OPENSSL_NO_ENGINE
 473         engine_id=NULL;
 474 #endif
 475         }
 476 #endif
 477
 478 static void sv_usage(void)
 479         {
 480         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 481         BIO_printf(bio_err,"\n");
 482         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 483         BIO_printf(bio_err," -context arg  - set session ID context\n");
 484         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 485         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 486         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 487         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 488         BIO_printf(bio_err," -authz arg   -  binary authz file for certificate\n");
 489         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 490                            "                 The CRL(s) are appended to the certificate file\n");
 491         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 492                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 493                            "                 the certificate file.\n");
 494         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 495         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 496         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 497         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 498         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 499         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 500         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 501         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 502         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 503         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 504         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 505         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 506 #ifndef OPENSSL_NO_ECDH
 507         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 508                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 509                            "                 (default is nistp256).\n");
 510 #endif
 511 #ifdef FIONBIO
 512         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 513 #endif
 514         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 515         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 516         BIO_printf(bio_err," -debug        - Print more output\n");
 517         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 518         BIO_printf(bio_err," -state        - Print the SSL states\n");
 519         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 520         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 521         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 522         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 523         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 524         BIO_printf(bio_err," -quiet        - No server output\n");
 525         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 526 #ifndef OPENSSL_NO_PSK
 527         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 528         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 529 # ifndef OPENSSL_NO_JPAKE
 530         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 531 # endif
 532 #endif
 533 #ifndef OPENSSL_NO_SRP
 534         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 535         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 536 #endif
 537         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 538         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 539         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 540         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 541         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 542         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 543         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 544         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 545         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 546         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 547         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 548         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 549         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 550         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 551 #ifndef OPENSSL_NO_DH
 552         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 553 #endif
 554 #ifndef OPENSSL_NO_ECDH
 555         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 556 #endif
 557         BIO_printf(bio_err, "-no_resume_ephemeral - Disable caching and tickets if ephemeral (EC)DH is used\n");
 558         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 559         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 560         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 561         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 562         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 563 #ifndef OPENSSL_NO_ENGINE
 564         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 565 #endif
 566         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 567         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 568 #ifndef OPENSSL_NO_TLSEXT
 569         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 570         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 571         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 572         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 573         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 574         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 575         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 576         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 577         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 578 # ifndef OPENSSL_NO_NEXTPROTONEG
 579         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 580 # endif
 581         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 582 #endif
 583         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 584         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 585         }
 586
 587 static int local_argc=0;
 588 static char **local_argv;
 589
 590 #ifdef CHARSET_EBCDIC
 591 static int ebcdic_new(BIO *bi);
 592 static int ebcdic_free(BIO *a);
 593 static int ebcdic_read(BIO *b, char *out, int outl);
 594 static int ebcdic_write(BIO *b, const char *in, int inl);
 595 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 596 static int ebcdic_gets(BIO *bp, char *buf, int size);
 597 static int ebcdic_puts(BIO *bp, const char *str);
 598
 599 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 600 static BIO_METHOD methods_ebcdic=
 601         {
 602         BIO_TYPE_EBCDIC_FILTER,
 603         "EBCDIC/ASCII filter",
 604         ebcdic_write,
 605         ebcdic_read,
 606         ebcdic_puts,
 607         ebcdic_gets,
 608         ebcdic_ctrl,
 609         ebcdic_new,
 610         ebcdic_free,
 611         };
 612
 613 typedef struct
 614 {
 615         size_t  alloced;
 616         char    buff[1];
 617 } EBCDIC_OUTBUFF;
 618
 619 BIO_METHOD *BIO_f_ebcdic_filter()
 620 {
 621         return(&methods_ebcdic);
 622 }
 623
 624 static int ebcdic_new(BIO *bi)
 625 {
 626         EBCDIC_OUTBUFF *wbuf;
 627
 628         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 629         wbuf->alloced = 1024;
 630         wbuf->buff[0] = '\0';
 631
 632         bi->ptr=(char *)wbuf;
 633         bi->init=1;
 634         bi->flags=0;
 635         return(1);
 636 }
 637
 638 static int ebcdic_free(BIO *a)
 639 {
 640         if (a == NULL) return(0);
 641         if (a->ptr != NULL)
 642                 OPENSSL_free(a->ptr);
 643         a->ptr=NULL;
 644         a->init=0;
 645         a->flags=0;
 646         return(1);
 647 }
 648
 649 static int ebcdic_read(BIO *b, char *out, int outl)
 650 {
 651         int ret=0;
 652
 653         if (out == NULL || outl == 0) return(0);
 654         if (b->next_bio == NULL) return(0);
 655
 656         ret=BIO_read(b->next_bio,out,outl);
 657         if (ret > 0)
 658                 ascii2ebcdic(out,out,ret);
 659         return(ret);
 660 }
 661
 662 static int ebcdic_write(BIO *b, const char *in, int inl)
 663 {
 664         EBCDIC_OUTBUFF *wbuf;
 665         int ret=0;
 666         int num;
 667         unsigned char n;
 668
 669         if ((in == NULL) || (inl <= 0)) return(0);
 670         if (b->next_bio == NULL) return(0);
 671
 672         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 673
 674         if (inl > (num = wbuf->alloced))
 675         {
 676                 num = num + num;  /* double the size */
 677                 if (num < inl)
 678                         num = inl;
 679                 OPENSSL_free(wbuf);
 680                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 681
 682                 wbuf->alloced = num;
 683                 wbuf->buff[0] = '\0';
 684
 685                 b->ptr=(char *)wbuf;
 686         }
 687
 688         ebcdic2ascii(wbuf->buff, in, inl);
 689
 690         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 691
 692         return(ret);
 693 }
 694
 695 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 696 {
 697         long ret;
 698
 699         if (b->next_bio == NULL) return(0);
 700         switch (cmd)
 701         {
 702         case BIO_CTRL_DUP:
 703                 ret=0L;
 704                 break;
 705         default:
 706                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 707                 break;
 708         }
 709         return(ret);
 710 }
 711
 712 static int ebcdic_gets(BIO *bp, char *buf, int size)
 713 {
 714         int i, ret=0;
 715         if (bp->next_bio == NULL) return(0);
 716 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 717         for (i=0; i<size-1; ++i)
 718         {
 719                 ret = ebcdic_read(bp,&buf[i],1);
 720                 if (ret <= 0)
 721                         break;
 722                 else if (buf[i] == '\n')
 723                 {
 724                         ++i;
 725                         break;
 726                 }
 727         }
 728         if (i < size)
 729                 buf[i] = '\0';
 730         return (ret < 0 && i == 0) ? ret : i;
 731 }
 732
 733 static int ebcdic_puts(BIO *bp, const char *str)
 734 {
 735         if (bp->next_bio == NULL) return(0);
 736         return ebcdic_write(bp, str, strlen(str));
 737 }
 738 #endif
 739
 740 #ifndef OPENSSL_NO_TLSEXT
 741
 742 /* This is a context that we pass to callbacks */
 743 typedef struct tlsextctx_st {
 744    char * servername;
 745    BIO * biodebug;
 746    int extension_error;
 747 } tlsextctx;
 748
 749
 750 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 751         {
 752         tlsextctx * p = (tlsextctx *) arg;
 753         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 754         if (servername && p->biodebug)
 755                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 756
 757         if (!p->servername)
 758                 return SSL_TLSEXT_ERR_NOACK;
 759
 760         if (servername)
 761                 {
 762                 if (strcmp(servername,p->servername))
 763                         return p->extension_error;
 764                 if (ctx2)
 765                         {
 766                         BIO_printf(p->biodebug,"Switching server context.\n");
 767                         SSL_set_SSL_CTX(s,ctx2);
 768                         }
 769                 }
 770         return SSL_TLSEXT_ERR_OK;
 771 }
 772
 773 /* Structure passed to cert status callback */
 774
 775 typedef struct tlsextstatusctx_st {
 776    /* Default responder to use */
 777    char *host, *path, *port;
 778    int use_ssl;
 779    int timeout;
 780    BIO *err;
 781    int verbose;
 782 } tlsextstatusctx;
 783
 784 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 785
 786 /* Certificate Status callback. This is called when a client includes a
 787  * certificate status request extension.
 788  *
 789  * This is a simplified version. It examines certificates each time and
 790  * makes one OCSP responder query for each request.
 791  *
 792  * A full version would store details such as the OCSP certificate IDs and
 793  * minimise the number of OCSP responses by caching them until they were
 794  * considered "expired".
 795  */
 796
 797 static int cert_status_cb(SSL *s, void *arg)
 798         {
 799         tlsextstatusctx *srctx = arg;
 800         BIO *err = srctx->err;
 801         char *host, *port, *path;
 802         int use_ssl;
 803         unsigned char *rspder = NULL;
 804         int rspderlen;
 805         STACK_OF(OPENSSL_STRING) *aia = NULL;
 806         X509 *x = NULL;
 807         X509_STORE_CTX inctx;
 808         X509_OBJECT obj;
 809         OCSP_REQUEST *req = NULL;
 810         OCSP_RESPONSE *resp = NULL;
 811         OCSP_CERTID *id = NULL;
 812         STACK_OF(X509_EXTENSION) *exts;
 813         int ret = SSL_TLSEXT_ERR_NOACK;
 814         int i;
 815 #if 0
 816 STACK_OF(OCSP_RESPID) *ids;
 817 SSL_get_tlsext_status_ids(s, &ids);
 818 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 819 #endif
 820         if (srctx->verbose)
 821                 BIO_puts(err, "cert_status: callback called\n");
 822         /* Build up OCSP query from server certificate */
 823         x = SSL_get_certificate(s);
 824         aia = X509_get1_ocsp(x);
 825         if (aia)
 826                 {
 827                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 828                         &host, &port, &path, &use_ssl))
 829                         {
 830                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 831                         goto err;
 832                         }
 833                 if (srctx->verbose)
 834                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 835                                         sk_OPENSSL_STRING_value(aia, 0));
 836                 }
 837         else
 838                 {
 839                 if (!srctx->host)
 840                         {
 841                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 842                         goto done;
 843                         }
 844                 host = srctx->host;
 845                 path = srctx->path;
 846                 port = srctx->port;
 847                 use_ssl = srctx->use_ssl;
 848                 }
 849
 850         if (!X509_STORE_CTX_init(&inctx,
 851                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 852                                 NULL, NULL))
 853                 goto err;
 854         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 855                                 X509_get_issuer_name(x),&obj) <= 0)
 856                 {
 857                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 858                 X509_STORE_CTX_cleanup(&inctx);
 859                 goto done;
 860                 }
 861         req = OCSP_REQUEST_new();
 862         if (!req)
 863                 goto err;
 864         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 865         X509_free(obj.data.x509);
 866         X509_STORE_CTX_cleanup(&inctx);
 867         if (!id)
 868                 goto err;
 869         if (!OCSP_request_add0_id(req, id))
 870                 goto err;
 871         id = NULL;
 872         /* Add any extensions to the request */
 873         SSL_get_tlsext_status_exts(s, &exts);
 874         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 875                 {
 876                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 877                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 878                         goto err;
 879                 }
 880         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 881                                         srctx->timeout);
 882         if (!resp)
 883                 {
 884                 BIO_puts(err, "cert_status: error querying responder\n");
 885                 goto done;
 886                 }
 887         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 888         if (rspderlen <= 0)
 889                 goto err;
 890         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 891         if (srctx->verbose)
 892                 {
 893                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 894                 OCSP_RESPONSE_print(err, resp, 2);
 895                 }
 896         ret = SSL_TLSEXT_ERR_OK;
 897         done:
 898         if (ret != SSL_TLSEXT_ERR_OK)
 899                 ERR_print_errors(err);
 900         if (aia)
 901                 {
 902                 OPENSSL_free(host);
 903                 OPENSSL_free(path);
 904                 OPENSSL_free(port);
 905                 X509_email_free(aia);
 906                 }
 907         if (id)
 908                 OCSP_CERTID_free(id);
 909         if (req)
 910                 OCSP_REQUEST_free(req);
 911         if (resp)
 912                 OCSP_RESPONSE_free(resp);
 913         return ret;
 914         err:
 915         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 916         goto done;
 917         }
 918
 919 # ifndef OPENSSL_NO_NEXTPROTONEG
 920 /* This is the context that we pass to next_proto_cb */
 921 typedef struct tlsextnextprotoctx_st {
 922         unsigned char *data;
 923         unsigned int len;
 924 } tlsextnextprotoctx;
 925
 926 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 927         {
 928         tlsextnextprotoctx *next_proto = arg;
 929
 930         *data = next_proto->data;
 931         *len = next_proto->len;
 932
 933         return SSL_TLSEXT_ERR_OK;
 934         }
 935 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 936 #endif
 937
 938 static int not_resumable_sess_cb(SSL *s, int is_forward_secure)
 939         {
 940         /* disable resumption for sessions with forward secure ciphers */
 941         return is_forward_secure;
 942         }
 943
 944 int MAIN(int, char **);
 945
 946 #ifndef OPENSSL_NO_JPAKE
 947 static char *jpake_secret = NULL;
 948 #endif
 949 #ifndef OPENSSL_NO_SRP
 950         static srpsrvparm srp_callback_parm;
 951 #endif
 952 static char *srtp_profiles = NULL;
 953
 954 int MAIN(int argc, char *argv[])
 955         {
 956         X509_VERIFY_PARAM *vpm = NULL;
 957         int badarg = 0;
 958         short port=PORT;
 959         char *CApath=NULL,*CAfile=NULL;
 960         char *chCApath=NULL,*chCAfile=NULL;
 961         char *vfyCApath=NULL,*vfyCAfile=NULL;
 962         unsigned char *context = NULL;
 963         char *dhfile = NULL;
 964 #ifndef OPENSSL_NO_ECDH
 965         char *named_curve = NULL;
 966 #endif
 967         int badop=0,bugs=0;
 968         int ret=1;
 969         int off=0;
 970         unsigned int cert_flags = 0;
 971         int build_chain = 0;
 972         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
 973         int state=0;
 974         const SSL_METHOD *meth=NULL;
 975         int socket_type=SOCK_STREAM;
 976         ENGINE *e=NULL;
 977         char *inrand=NULL;
 978         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
 979         char *passarg = NULL, *pass = NULL;
 980         char *dpassarg = NULL, *dpass = NULL;
 981         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
 982         X509 *s_cert = NULL, *s_dcert = NULL;
 983         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
 984         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
 985         int no_cache = 0, ext_cache = 0;
 986 #ifndef OPENSSL_NO_TLSEXT
 987         EVP_PKEY *s_key2 = NULL;
 988         X509 *s_cert2 = NULL;
 989         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
 990 # ifndef OPENSSL_NO_NEXTPROTONEG
 991         const char *next_proto_neg_in = NULL;
 992         tlsextnextprotoctx next_proto;
 993 # endif
 994 #endif
 995 #ifndef OPENSSL_NO_PSK
 996         /* by default do not send a PSK identity hint */
 997         static char *psk_identity_hint=NULL;
 998 #endif
 999 #ifndef OPENSSL_NO_SRP
1000         char *srpuserseed = NULL;
1001         char *srp_verifier_file = NULL;
1002 #endif
1003         SSL_EXCERT *exc = NULL;
1004         meth=SSLv23_server_method();
1005
1006         local_argc=argc;
1007         local_argv=argv;
1008
1009         apps_startup();
1010 #ifdef MONOLITH
1011         s_server_init();
1012 #endif
1013
1014         if (bio_err == NULL)
1015                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1016
1017         if (!load_config(bio_err, NULL))
1018                 goto end;
1019
1020         verify_depth=0;
1021 #ifdef FIONBIO
1022         s_nbio=0;
1023 #endif
1024         s_nbio_test=0;
1025
1026         argc--;
1027         argv++;
1028
1029         while (argc >= 1)
1030                 {
1031                 if      ((strcmp(*argv,"-port") == 0) ||
1032                          (strcmp(*argv,"-accept") == 0))
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         if (!extract_port(*(++argv),&port))
1036                                 goto bad;
1037                         }
1038                 else if (strcmp(*argv,"-verify") == 0)
1039                         {
1040                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1041                         if (--argc < 1) goto bad;
1042                         verify_depth=atoi(*(++argv));
1043                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1044                         }
1045                 else if (strcmp(*argv,"-Verify") == 0)
1046                         {
1047                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1048                                 SSL_VERIFY_CLIENT_ONCE;
1049                         if (--argc < 1) goto bad;
1050                         verify_depth=atoi(*(++argv));
1051                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1052                         }
1053                 else if (strcmp(*argv,"-context") == 0)
1054                         {
1055                         if (--argc < 1) goto bad;
1056                         context= (unsigned char *)*(++argv);
1057                         }
1058                 else if (strcmp(*argv,"-cert") == 0)
1059                         {
1060                         if (--argc < 1) goto bad;
1061                         s_cert_file= *(++argv);
1062                         }
1063 #ifndef OPENSSL_NO_TLSEXT
1064                 else if (strcmp(*argv,"-authz") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         s_authz_file = *(++argv);
1068                         }
1069 #endif
1070                 else if (strcmp(*argv,"-certform") == 0)
1071                         {
1072                         if (--argc < 1) goto bad;
1073                         s_cert_format = str2fmt(*(++argv));
1074                         }
1075                 else if (strcmp(*argv,"-key") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         s_key_file= *(++argv);
1079                         }
1080                 else if (strcmp(*argv,"-keyform") == 0)
1081                         {
1082                         if (--argc < 1) goto bad;
1083                         s_key_format = str2fmt(*(++argv));
1084                         }
1085                 else if (strcmp(*argv,"-pass") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         passarg = *(++argv);
1089                         }
1090                 else if (strcmp(*argv,"-cert_chain") == 0)
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         s_chain_file= *(++argv);
1094                         }
1095                 else if (strcmp(*argv,"-dhparam") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         dhfile = *(++argv);
1099                         }
1100 #ifndef OPENSSL_NO_ECDH
1101                 else if (strcmp(*argv,"-named_curve") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         named_curve = *(++argv);
1105                         }
1106 #endif
1107                 else if (strcmp(*argv,"-dcertform") == 0)
1108                         {
1109                         if (--argc < 1) goto bad;
1110                         s_dcert_format = str2fmt(*(++argv));
1111                         }
1112                 else if (strcmp(*argv,"-dcert") == 0)
1113                         {
1114                         if (--argc < 1) goto bad;
1115                         s_dcert_file= *(++argv);
1116                         }
1117                 else if (strcmp(*argv,"-dkeyform") == 0)
1118                         {
1119                         if (--argc < 1) goto bad;
1120                         s_dkey_format = str2fmt(*(++argv));
1121                         }
1122                 else if (strcmp(*argv,"-dpass") == 0)
1123                         {
1124                         if (--argc < 1) goto bad;
1125                         dpassarg = *(++argv);
1126                         }
1127                 else if (strcmp(*argv,"-dkey") == 0)
1128                         {
1129                         if (--argc < 1) goto bad;
1130                         s_dkey_file= *(++argv);
1131                         }
1132                 else if (strcmp(*argv,"-dcert_chain") == 0)
1133                         {
1134                         if (--argc < 1) goto bad;
1135                         s_dchain_file= *(++argv);
1136                         }
1137                 else if (strcmp(*argv,"-nocert") == 0)
1138                         {
1139                         nocert=1;
1140                         }
1141                 else if (strcmp(*argv,"-CApath") == 0)
1142                         {
1143                         if (--argc < 1) goto bad;
1144                         CApath= *(++argv);
1145                         }
1146                 else if (strcmp(*argv,"-chainCApath") == 0)
1147                         {
1148                         if (--argc < 1) goto bad;
1149                         chCApath= *(++argv);
1150                         }
1151                 else if (strcmp(*argv,"-verifyCApath") == 0)
1152                         {
1153                         if (--argc < 1) goto bad;
1154                         vfyCApath= *(++argv);
1155                         }
1156                 else if (strcmp(*argv,"-no_cache") == 0)
1157                         no_cache = 1;
1158                 else if (strcmp(*argv,"-ext_cache") == 0)
1159                         ext_cache = 1;
1160                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1161                         {
1162                         if (badarg)
1163                                 goto bad;
1164                         continue;
1165                         }
1166                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1167                         {
1168                         if (badarg)
1169                                 goto bad;
1170                         continue;
1171                         }
1172                 else if (strcmp(*argv,"-verify_return_error") == 0)
1173                         verify_return_error = 1;
1174                 else if (strcmp(*argv,"-verify_quiet") == 0)
1175                         verify_quiet = 1;
1176                 else if (strcmp(*argv,"-serverpref") == 0)
1177                         { off|=SSL_OP_CIPHER_SERVER_PREFERENCE; }
1178                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
1179                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
1180                 else if (strcmp(*argv,"-cipher") == 0)
1181                         {
1182                         if (--argc < 1) goto bad;
1183                         cipher= *(++argv);
1184                         }
1185                 else if (strcmp(*argv,"-build_chain") == 0)
1186                         build_chain = 1;
1187                 else if (strcmp(*argv,"-CAfile") == 0)
1188                         {
1189                         if (--argc < 1) goto bad;
1190                         CAfile= *(++argv);
1191                         }
1192                 else if (strcmp(*argv,"-chainCAfile") == 0)
1193                         {
1194                         if (--argc < 1) goto bad;
1195                         chCAfile= *(++argv);
1196                         }
1197                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1198                         {
1199                         if (--argc < 1) goto bad;
1200                         vfyCAfile= *(++argv);
1201                         }
1202 #ifdef FIONBIO
1203                 else if (strcmp(*argv,"-nbio") == 0)
1204                         { s_nbio=1; }
1205 #endif
1206                 else if (strcmp(*argv,"-nbio_test") == 0)
1207                         {
1208 #ifdef FIONBIO
1209                         s_nbio=1;
1210 #endif
1211                         s_nbio_test=1;
1212                         }
1213                 else if (strcmp(*argv,"-debug") == 0)
1214                         { s_debug=1; }
1215 #ifndef OPENSSL_NO_TLSEXT
1216                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1217                         s_tlsextdebug=1;
1218                 else if (strcmp(*argv,"-status") == 0)
1219                         s_tlsextstatus=1;
1220                 else if (strcmp(*argv,"-status_verbose") == 0)
1221                         {
1222                         s_tlsextstatus=1;
1223                         tlscstatp.verbose = 1;
1224                         }
1225                 else if (!strcmp(*argv, "-status_timeout"))
1226                         {
1227                         s_tlsextstatus=1;
1228                         if (--argc < 1) goto bad;
1229                         tlscstatp.timeout = atoi(*(++argv));
1230                         }
1231                 else if (!strcmp(*argv, "-status_url"))
1232                         {
1233                         s_tlsextstatus=1;
1234                         if (--argc < 1) goto bad;
1235                         if (!OCSP_parse_url(*(++argv),
1236                                         &tlscstatp.host,
1237                                         &tlscstatp.port,
1238                                         &tlscstatp.path,
1239                                         &tlscstatp.use_ssl))
1240                                 {
1241                                 BIO_printf(bio_err, "Error parsing URL\n");
1242                                 goto bad;
1243                                 }
1244                         }
1245                 else if (strcmp(*argv,"-curves") == 0)
1246                         {
1247                         if (--argc < 1) goto bad;
1248                         curves= *(++argv);
1249                         }
1250                 else if (strcmp(*argv,"-sigalgs") == 0)
1251                         {
1252                         if (--argc < 1) goto bad;
1253                         sigalgs= *(++argv);
1254                         }
1255                 else if (strcmp(*argv,"-client_sigalgs") == 0)
1256                         {
1257                         if (--argc < 1) goto bad;
1258                         client_sigalgs= *(++argv);
1259                         }
1260 #endif
1261                 else if (strcmp(*argv,"-msg") == 0)
1262                         { s_msg=1; }
1263                 else if (strcmp(*argv,"-msgfile") == 0)
1264                         {
1265                         if (--argc < 1) goto bad;
1266                         bio_s_msg = BIO_new_file(*(++argv), "w");
1267                         }
1268 #ifndef OPENSSL_NO_SSL_TRACE
1269                 else if (strcmp(*argv,"-trace") == 0)
1270                         { s_msg=2; }
1271 #endif
1272                 else if (strcmp(*argv,"-hack") == 0)
1273                         { hack=1; }
1274                 else if (strcmp(*argv,"-state") == 0)
1275                         { state=1; }
1276                 else if (strcmp(*argv,"-crlf") == 0)
1277                         { s_crlf=1; }
1278                 else if (strcmp(*argv,"-quiet") == 0)
1279                         { s_quiet=1; }
1280                 else if (strcmp(*argv,"-brief") == 0)
1281                         {
1282                         s_quiet=1;
1283                         s_brief=1;
1284                         verify_quiet=1;
1285                         }
1286                 else if (strcmp(*argv,"-bugs") == 0)
1287                         { bugs=1; }
1288                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1289                         { no_tmp_rsa=1; }
1290                 else if (strcmp(*argv,"-no_dhe") == 0)
1291                         { no_dhe=1; }
1292                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1293                         { no_ecdhe=1; }
1294                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1295                         { no_resume_ephemeral = 1; }
1296 #ifndef OPENSSL_NO_PSK
1297                 else if (strcmp(*argv,"-psk_hint") == 0)
1298                         {
1299                         if (--argc < 1) goto bad;
1300                         psk_identity_hint= *(++argv);
1301                         }
1302                 else if (strcmp(*argv,"-psk") == 0)
1303                         {
1304                         size_t i;
1305
1306                         if (--argc < 1) goto bad;
1307                         psk_key=*(++argv);
1308                         for (i=0; i<strlen(psk_key); i++)
1309                                 {
1310                                 if (isxdigit((unsigned char)psk_key[i]))
1311                                         continue;
1312                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1313                                 goto bad;
1314                                 }
1315                         }
1316 #endif
1317 #ifndef OPENSSL_NO_SRP
1318                 else if (strcmp(*argv, "-srpvfile") == 0)
1319                         {
1320                         if (--argc < 1) goto bad;
1321                         srp_verifier_file = *(++argv);
1322                         meth = TLSv1_server_method();
1323                         }
1324                 else if (strcmp(*argv, "-srpuserseed") == 0)
1325                         {
1326                         if (--argc < 1) goto bad;
1327                         srpuserseed = *(++argv);
1328                         meth = TLSv1_server_method();
1329                         }
1330 #endif
1331                 else if (strcmp(*argv,"-www") == 0)
1332                         { www=1; }
1333                 else if (strcmp(*argv,"-WWW") == 0)
1334                         { www=2; }
1335                 else if (strcmp(*argv,"-HTTP") == 0)
1336                         { www=3; }
1337                 else if (strcmp(*argv,"-no_ssl2") == 0)
1338                         { off|=SSL_OP_NO_SSLv2; }
1339                 else if (strcmp(*argv,"-no_ssl3") == 0)
1340                         { off|=SSL_OP_NO_SSLv3; }
1341                 else if (strcmp(*argv,"-no_tls1") == 0)
1342                         { off|=SSL_OP_NO_TLSv1; }
1343                 else if (strcmp(*argv,"-no_tls1_1") == 0)
1344                         { off|=SSL_OP_NO_TLSv1_1; }
1345                 else if (strcmp(*argv,"-no_tls1_2") == 0)
1346                         { off|=SSL_OP_NO_TLSv1_2; }
1347                 else if (strcmp(*argv,"-no_comp") == 0)
1348                         { off|=SSL_OP_NO_COMPRESSION; }
1349 #ifndef OPENSSL_NO_TLSEXT
1350                 else if (strcmp(*argv,"-no_ticket") == 0)
1351                         { off|=SSL_OP_NO_TICKET; }
1352 #endif
1353 #ifndef OPENSSL_NO_SSL2
1354                 else if (strcmp(*argv,"-ssl2") == 0)
1355                         { meth=SSLv2_server_method(); }
1356 #endif
1357 #ifndef OPENSSL_NO_SSL3
1358                 else if (strcmp(*argv,"-ssl3") == 0)
1359                         { meth=SSLv3_server_method(); }
1360 #endif
1361 #ifndef OPENSSL_NO_TLS1
1362                 else if (strcmp(*argv,"-tls1") == 0)
1363                         { meth=TLSv1_server_method(); }
1364                 else if (strcmp(*argv,"-tls1_1") == 0)
1365                         { meth=TLSv1_1_server_method(); }
1366                 else if (strcmp(*argv,"-tls1_2") == 0)
1367                         { meth=TLSv1_2_server_method(); }
1368 #endif
1369 #ifndef OPENSSL_NO_DTLS1
1370                 else if (strcmp(*argv,"-dtls1") == 0)
1371                         {
1372                         meth=DTLSv1_server_method();
1373                         socket_type = SOCK_DGRAM;
1374                         }
1375                 else if (strcmp(*argv,"-timeout") == 0)
1376                         enable_timeouts = 1;
1377                 else if (strcmp(*argv,"-mtu") == 0)
1378                         {
1379                         if (--argc < 1) goto bad;
1380                         socket_mtu = atol(*(++argv));
1381                         }
1382                 else if (strcmp(*argv, "-chain") == 0)
1383                         cert_chain = 1;
1384 #endif
1385                 else if (strcmp(*argv, "-id_prefix") == 0)
1386                         {
1387                         if (--argc < 1) goto bad;
1388                         session_id_prefix = *(++argv);
1389                         }
1390 #ifndef OPENSSL_NO_ENGINE
1391                 else if (strcmp(*argv,"-engine") == 0)
1392                         {
1393                         if (--argc < 1) goto bad;
1394                         engine_id= *(++argv);
1395                         }
1396 #endif
1397                 else if (strcmp(*argv,"-rand") == 0)
1398                         {
1399                         if (--argc < 1) goto bad;
1400                         inrand= *(++argv);
1401                         }
1402 #ifndef OPENSSL_NO_TLSEXT
1403                 else if (strcmp(*argv,"-servername") == 0)
1404                         {
1405                         if (--argc < 1) goto bad;
1406                         tlsextcbp.servername= *(++argv);
1407                         }
1408                 else if (strcmp(*argv,"-servername_fatal") == 0)
1409                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1410                 else if (strcmp(*argv,"-cert2") == 0)
1411                         {
1412                         if (--argc < 1) goto bad;
1413                         s_cert_file2= *(++argv);
1414                         }
1415                 else if (strcmp(*argv,"-key2") == 0)
1416                         {
1417                         if (--argc < 1) goto bad;
1418                         s_key_file2= *(++argv);
1419                         }
1420 # ifndef OPENSSL_NO_NEXTPROTONEG
1421                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1422                         {
1423                         if (--argc < 1) goto bad;
1424                         next_proto_neg_in = *(++argv);
1425                         }
1426 # endif
1427 #endif
1428 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1429                 else if (strcmp(*argv,"-jpake") == 0)
1430                         {
1431                         if (--argc < 1) goto bad;
1432                         jpake_secret = *(++argv);
1433                         }
1434 #endif
1435                 else if (strcmp(*argv,"-use_srtp") == 0)
1436                         {
1437                         if (--argc < 1) goto bad;
1438                         srtp_profiles = *(++argv);
1439                         }
1440                 else if (strcmp(*argv,"-keymatexport") == 0)
1441                         {
1442                         if (--argc < 1) goto bad;
1443                         keymatexportlabel= *(++argv);
1444                         }
1445                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1446                         {
1447                         if (--argc < 1) goto bad;
1448                         keymatexportlen=atoi(*(++argv));
1449                         if (keymatexportlen == 0) goto bad;
1450                         }
1451                 else if (strcmp(*argv, "-cert_strict") == 0)
1452                         cert_flags |= SSL_CERT_FLAG_TLS_STRICT;
1453 #ifdef OPENSSL_SSL_DEBUG_BROKEN_PROTOCOL
1454                 else if (strcmp(*argv, "-debug_broken_protocol") == 0)
1455                         cert_flags |= SSL_CERT_FLAG_BROKEN_PROTCOL;
1456 #endif
1457                 else
1458                         {
1459                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1460                         badop=1;
1461                         break;
1462                         }
1463                 argc--;
1464                 argv++;
1465                 }
1466         if (badop)
1467                 {
1468 bad:
1469                 sv_usage();
1470                 goto end;
1471                 }
1472
1473 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1474         if (jpake_secret)
1475                 {
1476                 if (psk_key)
1477                         {
1478                         BIO_printf(bio_err,
1479                                    "Can't use JPAKE and PSK together\n");
1480                         goto end;
1481                         }
1482                 psk_identity = "JPAKE";
1483                 if (cipher)
1484                         {
1485                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
1486                         goto end;
1487                         }
1488                 cipher = "PSK";
1489                 }
1490
1491 #endif
1492
1493         SSL_load_error_strings();
1494         OpenSSL_add_ssl_algorithms();
1495
1496 #ifndef OPENSSL_NO_ENGINE
1497         e = setup_engine(bio_err, engine_id, 1);
1498 #endif
1499
1500         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1501                 {
1502                 BIO_printf(bio_err, "Error getting password\n");
1503                 goto end;
1504                 }
1505
1506
1507         if (s_key_file == NULL)
1508                 s_key_file = s_cert_file;
1509 #ifndef OPENSSL_NO_TLSEXT
1510         if (s_key_file2 == NULL)
1511                 s_key_file2 = s_cert_file2;
1512 #endif
1513
1514         if (!load_excert(&exc, bio_err))
1515                 goto end;
1516
1517         if (nocert == 0)
1518                 {
1519                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1520                        "server certificate private key file");
1521                 if (!s_key)
1522                         {
1523                         ERR_print_errors(bio_err);
1524                         goto end;
1525                         }
1526
1527                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1528                         NULL, e, "server certificate file");
1529
1530                 if (!s_cert)
1531                         {
1532                         ERR_print_errors(bio_err);
1533                         goto end;
1534                         }
1535                 if (s_chain_file)
1536                         {
1537                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1538                                         NULL, e, "server certificate chain");
1539                         if (!s_chain)
1540                                 goto end;
1541                         }
1542
1543 #ifndef OPENSSL_NO_TLSEXT
1544                 if (tlsextcbp.servername)
1545                         {
1546                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1547                                 "second server certificate private key file");
1548                         if (!s_key2)
1549                                 {
1550                                 ERR_print_errors(bio_err);
1551                                 goto end;
1552                                 }
1553
1554                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1555                                 NULL, e, "second server certificate file");
1556
1557                         if (!s_cert2)
1558                                 {
1559                                 ERR_print_errors(bio_err);
1560                                 goto end;
1561                                 }
1562                         }
1563 #endif /* OPENSSL_NO_TLSEXT */
1564                 }
1565
1566 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1567         if (next_proto_neg_in)
1568                 {
1569                 unsigned short len;
1570                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1571                 if (next_proto.data == NULL)
1572                         goto end;
1573                 next_proto.len = len;
1574                 }
1575         else
1576                 {
1577                 next_proto.data = NULL;
1578                 }
1579 #endif
1580
1581
1582         if (s_dcert_file)
1583                 {
1584
1585                 if (s_dkey_file == NULL)
1586                         s_dkey_file = s_dcert_file;
1587
1588                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1589                                 0, dpass, e,
1590                                "second certificate private key file");
1591                 if (!s_dkey)
1592                         {
1593                         ERR_print_errors(bio_err);
1594                         goto end;
1595                         }
1596
1597                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1598                                 NULL, e, "second server certificate file");
1599
1600                 if (!s_dcert)
1601                         {
1602                         ERR_print_errors(bio_err);
1603                         goto end;
1604                         }
1605                 if (s_dchain_file)
1606                         {
1607                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1608                                 NULL, e, "second server certificate chain");
1609                         if (!s_dchain)
1610                                 goto end;
1611                         }
1612
1613                 }
1614
1615         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1616                 && !RAND_status())
1617                 {
1618                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1619                 }
1620         if (inrand != NULL)
1621                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1622                         app_RAND_load_files(inrand));
1623
1624         if (bio_s_out == NULL)
1625                 {
1626                 if (s_quiet && !s_debug && !s_msg)
1627                         {
1628                         bio_s_out=BIO_new(BIO_s_null());
1629                         }
1630                 else
1631                         {
1632                         if (bio_s_out == NULL)
1633                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1634                         }
1635                 }
1636
1637 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1638         if (nocert)
1639 #endif
1640                 {
1641                 s_cert_file=NULL;
1642                 s_key_file=NULL;
1643                 s_dcert_file=NULL;
1644                 s_dkey_file=NULL;
1645 #ifndef OPENSSL_NO_TLSEXT
1646                 s_cert_file2=NULL;
1647                 s_key_file2=NULL;
1648 #endif
1649                 }
1650
1651         ctx=SSL_CTX_new(meth);
1652         if (ctx == NULL)
1653                 {
1654                 ERR_print_errors(bio_err);
1655                 goto end;
1656                 }
1657         if (session_id_prefix)
1658                 {
1659                 if(strlen(session_id_prefix) >= 32)
1660                         BIO_printf(bio_err,
1661 "warning: id_prefix is too long, only one new session will be possible\n");
1662                 else if(strlen(session_id_prefix) >= 16)
1663                         BIO_printf(bio_err,
1664 "warning: id_prefix is too long if you use SSLv2\n");
1665                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1666                         {
1667                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1668                         ERR_print_errors(bio_err);
1669                         goto end;
1670                         }
1671                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1672                 }
1673         SSL_CTX_set_quiet_shutdown(ctx,1);
1674         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
1675         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1676         SSL_CTX_set_options(ctx,off);
1677         if (cert_flags) SSL_CTX_set_cert_flags(ctx, cert_flags);
1678         if (exc) ssl_ctx_set_excert(ctx, exc);
1679         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1680          * Setting read ahead solves this problem.
1681          */
1682         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1683
1684         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1685         if (no_cache)
1686                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1687         else if (ext_cache)
1688                 init_session_cache_ctx(ctx);
1689         else
1690                 SSL_CTX_sess_set_cache_size(ctx,128);
1691
1692         if (srtp_profiles != NULL)
1693                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1694
1695 #if 0
1696         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1697 #endif
1698
1699 #if 0
1700         if (s_cert_file == NULL)
1701                 {
1702                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1703                 goto end;
1704                 }
1705 #endif
1706
1707         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1708                 (!SSL_CTX_set_default_verify_paths(ctx)))
1709                 {
1710                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1711                 ERR_print_errors(bio_err);
1712                 /* goto end; */
1713                 }
1714         if (vpm)
1715                 SSL_CTX_set1_param(ctx, vpm);
1716
1717         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile))
1718                 {
1719                 BIO_printf(bio_err, "Error loading store locations\n");
1720                 ERR_print_errors(bio_err);
1721                 goto end;
1722                 }
1723
1724 #ifndef OPENSSL_NO_TLSEXT
1725         if (s_cert2)
1726                 {
1727                 ctx2=SSL_CTX_new(meth);
1728                 if (ctx2 == NULL)
1729                         {
1730                         ERR_print_errors(bio_err);
1731                         goto end;
1732                         }
1733                 }
1734
1735         if (ctx2)
1736                 {
1737                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1738
1739                 if (session_id_prefix)
1740                         {
1741                         if(strlen(session_id_prefix) >= 32)
1742                                 BIO_printf(bio_err,
1743                                         "warning: id_prefix is too long, only one new session will be possible\n");
1744                         else if(strlen(session_id_prefix) >= 16)
1745                                 BIO_printf(bio_err,
1746                                         "warning: id_prefix is too long if you use SSLv2\n");
1747                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1748                                 {
1749                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1750                                 ERR_print_errors(bio_err);
1751                                 goto end;
1752                                 }
1753                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1754                         }
1755                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1756                 if (bugs) SSL_CTX_set_options(ctx2,SSL_OP_ALL);
1757                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1758                 SSL_CTX_set_options(ctx2,off);
1759                 if (cert_flags) SSL_CTX_set_cert_flags(ctx2, cert_flags);
1760                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1761                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1762                  * Setting read ahead solves this problem.
1763                  */
1764                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1765
1766                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1767
1768                 if (no_cache)
1769                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1770                 else if (ext_cache)
1771                         init_session_cache_ctx(ctx2);
1772                 else
1773                         SSL_CTX_sess_set_cache_size(ctx2,128);
1774
1775                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1776                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1777                         {
1778                         ERR_print_errors(bio_err);
1779                         }
1780                 if (vpm)
1781                         SSL_CTX_set1_param(ctx2, vpm);
1782                 }
1783
1784 # ifndef OPENSSL_NO_NEXTPROTONEG
1785         if (next_proto.data)
1786                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1787 # endif
1788 #endif
1789
1790 #ifndef OPENSSL_NO_DH
1791         if (!no_dhe)
1792                 {
1793                 DH *dh=NULL;
1794
1795                 if (dhfile)
1796                         dh = load_dh_param(dhfile);
1797                 else if (s_cert_file)
1798                         dh = load_dh_param(s_cert_file);
1799
1800                 if (dh != NULL)
1801                         {
1802                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1803                         }
1804                 else
1805                         {
1806                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1807                         dh=get_dh512();
1808                         }
1809                 (void)BIO_flush(bio_s_out);
1810
1811                 SSL_CTX_set_tmp_dh(ctx,dh);
1812 #ifndef OPENSSL_NO_TLSEXT
1813                 if (ctx2)
1814                         {
1815                         if (!dhfile)
1816                                 {
1817                                 DH *dh2=load_dh_param(s_cert_file2);
1818                                 if (dh2 != NULL)
1819                                         {
1820                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1821                                         (void)BIO_flush(bio_s_out);
1822
1823                                         DH_free(dh);
1824                                         dh = dh2;
1825                                         }
1826                                 }
1827                         SSL_CTX_set_tmp_dh(ctx2,dh);
1828                         }
1829 #endif
1830                 DH_free(dh);
1831                 }
1832 #endif
1833
1834 #ifndef OPENSSL_NO_ECDH
1835         if (!no_ecdhe)
1836                 {
1837                 EC_KEY *ecdh=NULL;
1838
1839                 if (named_curve && strcmp(named_curve, "auto"))
1840                         {
1841                         int nid = EC_curve_nist2nid(named_curve);
1842                         if (nid == NID_undef)
1843                                 nid = OBJ_sn2nid(named_curve);
1844                         if (nid == 0)
1845                                 {
1846                                 BIO_printf(bio_err, "unknown curve name (%s)\n",
1847                                         named_curve);
1848                                 goto end;
1849                                 }
1850                         ecdh = EC_KEY_new_by_curve_name(nid);
1851                         if (ecdh == NULL)
1852                                 {
1853                                 BIO_printf(bio_err, "unable to create curve (%s)\n",
1854                                         named_curve);
1855                                 goto end;
1856                                 }
1857                         }
1858
1859                 if (ecdh != NULL)
1860                         {
1861                         BIO_printf(bio_s_out,"Setting temp ECDH parameters\n");
1862                         }
1863                 else if (named_curve)
1864                         SSL_CTX_set_ecdh_auto(ctx, 1);
1865                 else
1866                         {
1867                         BIO_printf(bio_s_out,"Using default temp ECDH parameters\n");
1868                         ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1);
1869                         if (ecdh == NULL)
1870                                 {
1871                                 BIO_printf(bio_err, "unable to create curve (nistp256)\n");
1872                                 goto end;
1873                                 }
1874                         }
1875                 (void)BIO_flush(bio_s_out);
1876
1877                 SSL_CTX_set_tmp_ecdh(ctx,ecdh);
1878 #ifndef OPENSSL_NO_TLSEXT
1879                 if (ctx2)
1880                         SSL_CTX_set_tmp_ecdh(ctx2,ecdh);
1881 #endif
1882                 EC_KEY_free(ecdh);
1883                 }
1884 #endif
1885
1886         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1887                 goto end;
1888 #ifndef OPENSSL_NO_TLSEXT
1889         if (s_authz_file != NULL && !SSL_CTX_use_authz_file(ctx, s_authz_file))
1890                 goto end;
1891 #endif
1892 #ifndef OPENSSL_NO_TLSEXT
1893         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1894                 goto end;
1895 #endif
1896         if (s_dcert != NULL)
1897                 {
1898                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1899                         goto end;
1900                 }
1901
1902 #ifndef OPENSSL_NO_RSA
1903 #if 1
1904         if (!no_tmp_rsa)
1905                 {
1906                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1907 #ifndef OPENSSL_NO_TLSEXT
1908                 if (ctx2)
1909                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1910 #endif
1911                 }
1912 #else
1913         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1914                 {
1915                 RSA *rsa;
1916
1917                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1918                 BIO_flush(bio_s_out);
1919
1920                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1921
1922                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1923                         {
1924                         ERR_print_errors(bio_err);
1925                         goto end;
1926                         }
1927 #ifndef OPENSSL_NO_TLSEXT
1928                         if (ctx2)
1929                                 {
1930                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1931                                         {
1932                                         ERR_print_errors(bio_err);
1933                                         goto end;
1934                                         }
1935                                 }
1936 #endif
1937                 RSA_free(rsa);
1938                 BIO_printf(bio_s_out,"\n");
1939                 }
1940 #endif
1941 #endif
1942
1943         if (no_resume_ephemeral)
1944                 {
1945                 SSL_CTX_set_not_resumable_session_callback(ctx, not_resumable_sess_cb);
1946 #ifndef OPENSSL_NO_TLSEXT
1947                 if (ctx2)
1948                         SSL_CTX_set_not_resumable_session_callback(ctx2, not_resumable_sess_cb);
1949 #endif
1950                 }
1951
1952 #ifndef OPENSSL_NO_PSK
1953 #ifdef OPENSSL_NO_JPAKE
1954         if (psk_key != NULL)
1955 #else
1956         if (psk_key != NULL || jpake_secret)
1957 #endif
1958                 {
1959                 if (s_debug)
1960                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1961                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1962                 }
1963
1964         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1965                 {
1966                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1967                 ERR_print_errors(bio_err);
1968                 goto end;
1969                 }
1970 #endif
1971
1972         if (cipher != NULL)
1973                 {
1974                 if(!SSL_CTX_set_cipher_list(ctx,cipher))
1975                         {
1976                         BIO_printf(bio_err,"error setting cipher list\n");
1977                         ERR_print_errors(bio_err);
1978                         goto end;
1979                         }
1980 #ifndef OPENSSL_NO_TLSEXT
1981                 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2,cipher))
1982                         {
1983                         BIO_printf(bio_err,"error setting cipher list\n");
1984                         ERR_print_errors(bio_err);
1985                         goto end;
1986                         }
1987 #endif
1988                 }
1989 #ifndef OPENSSL_NO_TLSEXT
1990         if (curves)
1991                 {
1992                 if(!SSL_CTX_set1_curves_list(ctx,curves))
1993                         {
1994                         BIO_printf(bio_err,"error setting curves list\n");
1995                         ERR_print_errors(bio_err);
1996                         goto end;
1997                         }
1998                 if(ctx2 && !SSL_CTX_set1_curves_list(ctx2,curves))
1999                         {
2000                         BIO_printf(bio_err,"error setting curves list\n");
2001                         ERR_print_errors(bio_err);
2002                         goto end;
2003                         }
2004                 }
2005         if (sigalgs)
2006                 {
2007                 if(!SSL_CTX_set1_sigalgs_list(ctx,sigalgs))
2008                         {
2009                         BIO_printf(bio_err,"error setting signature algorithms\n");
2010                         ERR_print_errors(bio_err);
2011                         goto end;
2012                         }
2013                 if(ctx2 && !SSL_CTX_set1_sigalgs_list(ctx2,sigalgs))
2014                         {
2015                         BIO_printf(bio_err,"error setting signature algorithms\n");
2016                         ERR_print_errors(bio_err);
2017                         goto end;
2018                         }
2019                 }
2020         if (client_sigalgs)
2021                 {
2022                 if(!SSL_CTX_set1_client_sigalgs_list(ctx,client_sigalgs))
2023                         {
2024                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2025                         ERR_print_errors(bio_err);
2026                         goto end;
2027                         }
2028                 if(ctx2 && !SSL_CTX_set1_client_sigalgs_list(ctx2,client_sigalgs))
2029                         {
2030                         BIO_printf(bio_err,"error setting client signature algorithms\n");
2031                         ERR_print_errors(bio_err);
2032                         goto end;
2033                         }
2034                 }
2035 #endif
2036         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2037         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2038                 sizeof s_server_session_id_context);
2039
2040         /* Set DTLS cookie generation and verification callbacks */
2041         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2042         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2043
2044 #ifndef OPENSSL_NO_TLSEXT
2045         if (ctx2)
2046                 {
2047                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2048                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2049                         sizeof s_server_session_id_context);
2050
2051                 tlsextcbp.biodebug = bio_s_out;
2052                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2053                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2054                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2055                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2056                 }
2057 #endif
2058
2059 #ifndef OPENSSL_NO_SRP
2060         if (srp_verifier_file != NULL)
2061                 {
2062                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2063                 srp_callback_parm.user = NULL;
2064                 srp_callback_parm.login = NULL;
2065                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2066                         {
2067                         BIO_printf(bio_err,
2068                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2069                                    srp_verifier_file, ret);
2070                                 goto end;
2071                         }
2072                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2073                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2074                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2075                 }
2076         else
2077 #endif
2078         if (CAfile != NULL)
2079                 {
2080                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2081 #ifndef OPENSSL_NO_TLSEXT
2082                 if (ctx2)
2083                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2084 #endif
2085                 }
2086
2087         BIO_printf(bio_s_out,"ACCEPT\n");
2088         (void)BIO_flush(bio_s_out);
2089         if (www)
2090                 do_server(port,socket_type,&accept_socket,www_body, context);
2091         else
2092                 do_server(port,socket_type,&accept_socket,sv_body, context);
2093         print_stats(bio_s_out,ctx);
2094         ret=0;
2095 end:
2096         if (ctx != NULL) SSL_CTX_free(ctx);
2097         if (s_cert)
2098                 X509_free(s_cert);
2099         if (s_dcert)
2100                 X509_free(s_dcert);
2101         if (s_key)
2102                 EVP_PKEY_free(s_key);
2103         if (s_dkey)
2104                 EVP_PKEY_free(s_dkey);
2105         if (s_chain)
2106                 sk_X509_pop_free(s_chain, X509_free);
2107         if (s_dchain)
2108                 sk_X509_pop_free(s_dchain, X509_free);
2109         if (pass)
2110                 OPENSSL_free(pass);
2111         if (dpass)
2112                 OPENSSL_free(dpass);
2113         free_sessions();
2114 #ifndef OPENSSL_NO_TLSEXT
2115         if (tlscstatp.host)
2116                 OPENSSL_free(tlscstatp.host);
2117         if (tlscstatp.port)
2118                 OPENSSL_free(tlscstatp.port);
2119         if (tlscstatp.path)
2120                 OPENSSL_free(tlscstatp.path);
2121         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2122         if (s_cert2)
2123                 X509_free(s_cert2);
2124         if (s_key2)
2125                 EVP_PKEY_free(s_key2);
2126         if (authz_in != NULL)
2127                 BIO_free(authz_in);
2128 #endif
2129         ssl_excert_free(exc);
2130         if (bio_s_out != NULL)
2131                 {
2132         BIO_free(bio_s_out);
2133                 bio_s_out=NULL;
2134                 }
2135         if (bio_s_msg != NULL)
2136                 {
2137                 BIO_free(bio_s_msg);
2138                 bio_s_msg = NULL;
2139                 }
2140         apps_shutdown();
2141         OPENSSL_EXIT(ret);
2142         }
2143
2144 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2145         {
2146         BIO_printf(bio,"%4ld items in the session cache\n",
2147                 SSL_CTX_sess_number(ssl_ctx));
2148         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2149                 SSL_CTX_sess_connect(ssl_ctx));
2150         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2151                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2152         BIO_printf(bio,"%4ld client connects that finished\n",
2153                 SSL_CTX_sess_connect_good(ssl_ctx));
2154         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2155                 SSL_CTX_sess_accept(ssl_ctx));
2156         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2157                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2158         BIO_printf(bio,"%4ld server accepts that finished\n",
2159                 SSL_CTX_sess_accept_good(ssl_ctx));
2160         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2161         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2162         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2163         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2164         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2165                 SSL_CTX_sess_cache_full(ssl_ctx),
2166                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2167         }
2168
2169 static int sv_body(char *hostname, int s, unsigned char *context)
2170         {
2171         char *buf=NULL;
2172         fd_set readfds;
2173         int ret=1,width;
2174         int k,i;
2175         unsigned long l;
2176         SSL *con=NULL;
2177         BIO *sbio;
2178 #ifndef OPENSSL_NO_KRB5
2179         KSSL_CTX *kctx;
2180 #endif
2181         struct timeval timeout;
2182 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2183         struct timeval tv;
2184 #else
2185         struct timeval *timeoutp;
2186 #endif
2187
2188         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2189                 {
2190                 BIO_printf(bio_err,"out of memory\n");
2191                 goto err;
2192                 }
2193 #ifdef FIONBIO
2194         if (s_nbio)
2195                 {
2196                 unsigned long sl=1;
2197
2198                 if (!s_quiet)
2199                         BIO_printf(bio_err,"turning on non blocking io\n");
2200                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2201                         ERR_print_errors(bio_err);
2202                 }
2203 #endif
2204
2205         if (con == NULL) {
2206                 con=SSL_new(ctx);
2207 #ifndef OPENSSL_NO_TLSEXT
2208         if (s_tlsextdebug)
2209                 {
2210                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2211                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2212                 }
2213         if (s_tlsextstatus)
2214                 {
2215                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2216                 tlscstatp.err = bio_err;
2217                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2218                 }
2219 #endif
2220 #ifndef OPENSSL_NO_KRB5
2221                 if ((kctx = kssl_ctx_new()) != NULL)
2222                         {
2223                         SSL_set0_kssl_ctx(con, kctx);
2224                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2225                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2226                         }
2227 #endif  /* OPENSSL_NO_KRB5 */
2228                 if(context)
2229                       SSL_set_session_id_context(con, context,
2230                                                  strlen((char *)context));
2231         }
2232         SSL_clear(con);
2233 #if 0
2234 #ifdef TLSEXT_TYPE_opaque_prf_input
2235         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2236 #endif
2237 #endif
2238
2239         if (SSL_version(con) == DTLS1_VERSION)
2240                 {
2241
2242                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2243
2244                 if (enable_timeouts)
2245                         {
2246                         timeout.tv_sec = 0;
2247                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2248                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2249
2250                         timeout.tv_sec = 0;
2251                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2252                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2253                         }
2254
2255                 if (socket_mtu > 28)
2256                         {
2257                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2258                         SSL_set_mtu(con, socket_mtu - 28);
2259                         }
2260                 else
2261                         /* want to do MTU discovery */
2262                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2263
2264         /* turn on cookie exchange */
2265         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2266                 }
2267         else
2268                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2269
2270         if (s_nbio_test)
2271                 {
2272                 BIO *test;
2273
2274                 test=BIO_new(BIO_f_nbio_test());
2275                 sbio=BIO_push(test,sbio);
2276                 }
2277 #ifndef OPENSSL_NO_JPAKE
2278         if(jpake_secret)
2279                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2280 #endif
2281
2282         SSL_set_bio(con,sbio,sbio);
2283         SSL_set_accept_state(con);
2284         /* SSL_set_fd(con,s); */
2285
2286         if (s_debug)
2287                 {
2288                 SSL_set_debug(con, 1);
2289                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2290                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2291                 }
2292         if (s_msg)
2293                 {
2294 #ifndef OPENSSL_NO_SSL_TRACE
2295                 if (s_msg == 2)
2296                         SSL_set_msg_callback(con, SSL_trace);
2297                 else
2298 #endif
2299                         SSL_set_msg_callback(con, msg_cb);
2300                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2301                 }
2302 #ifndef OPENSSL_NO_TLSEXT
2303         if (s_tlsextdebug)
2304                 {
2305                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2306                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2307                 }
2308 #endif
2309
2310         width=s+1;
2311         for (;;)
2312                 {
2313                 int read_from_terminal;
2314                 int read_from_sslcon;
2315
2316                 read_from_terminal = 0;
2317                 read_from_sslcon = SSL_pending(con);
2318
2319                 if (!read_from_sslcon)
2320                         {
2321                         FD_ZERO(&readfds);
2322 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2323                         openssl_fdset(fileno(stdin),&readfds);
2324 #endif
2325                         openssl_fdset(s,&readfds);
2326                         /* Note: under VMS with SOCKETSHR the second parameter is
2327                          * currently of type (int *) whereas under other systems
2328                          * it is (void *) if you don't have a cast it will choke
2329                          * the compiler: if you do have a cast then you can either
2330                          * go for (int *) or (void *).
2331                          */
2332 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2333                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2334                          * on sockets. As a workaround we timeout the select every
2335                          * second and check for any keypress. In a proper Windows
2336                          * application we wouldn't do this because it is inefficient.
2337                          */
2338                         tv.tv_sec = 1;
2339                         tv.tv_usec = 0;
2340                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2341                         if((i < 0) || (!i && !_kbhit() ) )continue;
2342                         if(_kbhit())
2343                                 read_from_terminal = 1;
2344 #elif defined(OPENSSL_SYS_BEOS_R5)
2345                         /* Under BeOS-R5 the situation is similar to DOS */
2346                         tv.tv_sec = 1;
2347                         tv.tv_usec = 0;
2348                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2349                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2350                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2351                                 continue;
2352                         if (read(fileno(stdin), buf, 0) >= 0)
2353                                 read_from_terminal = 1;
2354                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2355 #else
2356                         if ((SSL_version(con) == DTLS1_VERSION) &&
2357                                 DTLSv1_get_timeout(con, &timeout))
2358                                 timeoutp = &timeout;
2359                         else
2360                                 timeoutp = NULL;
2361
2362                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2363
2364                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2365                                 {
2366                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2367                                 }
2368
2369                         if (i <= 0) continue;
2370                         if (FD_ISSET(fileno(stdin),&readfds))
2371                                 read_from_terminal = 1;
2372 #endif
2373                         if (FD_ISSET(s,&readfds))
2374                                 read_from_sslcon = 1;
2375                         }
2376                 if (read_from_terminal)
2377                         {
2378                         if (s_crlf)
2379                                 {
2380                                 int j, lf_num;
2381
2382                                 i=raw_read_stdin(buf, bufsize/2);
2383                                 lf_num = 0;
2384                                 /* both loops are skipped when i <= 0 */
2385                                 for (j = 0; j < i; j++)
2386                                         if (buf[j] == '\n')
2387                                                 lf_num++;
2388                                 for (j = i-1; j >= 0; j--)
2389                                         {
2390                                         buf[j+lf_num] = buf[j];
2391                                         if (buf[j] == '\n')
2392                                                 {
2393                                                 lf_num--;
2394                                                 i++;
2395                                                 buf[j+lf_num] = '\r';
2396                                                 }
2397                                         }
2398                                 assert(lf_num == 0);
2399                                 }
2400                         else
2401                                 i=raw_read_stdin(buf,bufsize);
2402                         if (!s_quiet && !s_brief)
2403                                 {
2404                                 if ((i <= 0) || (buf[0] == 'Q'))
2405                                         {
2406                                         BIO_printf(bio_s_out,"DONE\n");
2407                                         SHUTDOWN(s);
2408                                         close_accept_socket();
2409                                         ret= -11;
2410                                         goto err;
2411                                         }
2412                                 if ((i <= 0) || (buf[0] == 'q'))
2413                                         {
2414                                         BIO_printf(bio_s_out,"DONE\n");
2415                                         if (SSL_version(con) != DTLS1_VERSION)
2416                         SHUTDOWN(s);
2417         /*                              close_accept_socket();
2418                                         ret= -11;*/
2419                                         goto err;
2420                                         }
2421
2422 #ifndef OPENSSL_NO_HEARTBEATS
2423                                 if ((buf[0] == 'B') &&
2424                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2425                                         {
2426                                         BIO_printf(bio_err,"HEARTBEATING\n");
2427                                         SSL_heartbeat(con);
2428                                         i=0;
2429                                         continue;
2430                                         }
2431 #endif
2432                                 if ((buf[0] == 'r') &&
2433                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2434                                         {
2435                                         SSL_renegotiate(con);
2436                                         i=SSL_do_handshake(con);
2437                                         printf("SSL_do_handshake -> %d\n",i);
2438                                         i=0; /*13; */
2439                                         continue;
2440                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2441                                         }
2442                                 if ((buf[0] == 'R') &&
2443                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2444                                         {
2445                                         SSL_set_verify(con,
2446                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2447                                         SSL_renegotiate(con);
2448                                         i=SSL_do_handshake(con);
2449                                         printf("SSL_do_handshake -> %d\n",i);
2450                                         i=0; /* 13; */
2451                                         continue;
2452                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2453                                         }
2454                                 if (buf[0] == 'P')
2455                                         {
2456                                         static const char *str="Lets print some clear text\n";
2457                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2458                                         }
2459                                 if (buf[0] == 'S')
2460                                         {
2461                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2462                                         }
2463                                 }
2464 #ifdef CHARSET_EBCDIC
2465                         ebcdic2ascii(buf,buf,i);
2466 #endif
2467                         l=k=0;
2468                         for (;;)
2469                                 {
2470                                 /* should do a select for the write */
2471 #ifdef RENEG
2472 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2473 #endif
2474                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2475 #ifndef OPENSSL_NO_SRP
2476                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2477                                         {
2478                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2479                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2480                                         if (srp_callback_parm.user)
2481                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2482                                         else
2483                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2484                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2485                                         }
2486 #endif
2487                                 switch (SSL_get_error(con,k))
2488                                         {
2489                                 case SSL_ERROR_NONE:
2490                                         break;
2491                                 case SSL_ERROR_WANT_WRITE:
2492                                 case SSL_ERROR_WANT_READ:
2493                                 case SSL_ERROR_WANT_X509_LOOKUP:
2494                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2495                                         break;
2496                                 case SSL_ERROR_SYSCALL:
2497                                 case SSL_ERROR_SSL:
2498                                         BIO_printf(bio_s_out,"ERROR\n");
2499                                         ERR_print_errors(bio_err);
2500                                         ret=1;
2501                                         goto err;
2502                                         /* break; */
2503                                 case SSL_ERROR_ZERO_RETURN:
2504                                         BIO_printf(bio_s_out,"DONE\n");
2505                                         ret=1;
2506                                         goto err;
2507                                         }
2508                                 l+=k;
2509                                 i-=k;
2510                                 if (i <= 0) break;
2511                                 }
2512                         }
2513                 if (read_from_sslcon)
2514                         {
2515                         if (!SSL_is_init_finished(con))
2516                                 {
2517                                 i=init_ssl_connection(con);
2518
2519                                 if (i < 0)
2520                                         {
2521                                         ret=0;
2522                                         goto err;
2523                                         }
2524                                 else if (i == 0)
2525                                         {
2526                                         ret=1;
2527                                         goto err;
2528                                         }
2529                                 }
2530                         else
2531                                 {
2532 again:
2533                                 i=SSL_read(con,(char *)buf,bufsize);
2534 #ifndef OPENSSL_NO_SRP
2535                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2536                                         {
2537                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2538                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2539                                         if (srp_callback_parm.user)
2540                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2541                                         else
2542                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2543                                         i=SSL_read(con,(char *)buf,bufsize);
2544                                         }
2545 #endif
2546                                 switch (SSL_get_error(con,i))
2547                                         {
2548                                 case SSL_ERROR_NONE:
2549 #ifdef CHARSET_EBCDIC
2550                                         ascii2ebcdic(buf,buf,i);
2551 #endif
2552                                         raw_write_stdout(buf,
2553                                                 (unsigned int)i);
2554                                         if (SSL_pending(con)) goto again;
2555                                         break;
2556                                 case SSL_ERROR_WANT_WRITE:
2557                                 case SSL_ERROR_WANT_READ:
2558                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2559                                         break;
2560                                 case SSL_ERROR_SYSCALL:
2561                                 case SSL_ERROR_SSL:
2562                                         BIO_printf(bio_s_out,"ERROR\n");
2563                                         ERR_print_errors(bio_err);
2564                                         ret=1;
2565                                         goto err;
2566                                 case SSL_ERROR_ZERO_RETURN:
2567                                         BIO_printf(bio_s_out,"DONE\n");
2568                                         ret=1;
2569                                         goto err;
2570                                         }
2571                                 }
2572                         }
2573                 }
2574 err:
2575         if (con != NULL)
2576                 {
2577                 BIO_printf(bio_s_out,"shutting down SSL\n");
2578 #if 1
2579                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2580 #else
2581                 SSL_shutdown(con);
2582 #endif
2583                 SSL_free(con);
2584                 }
2585         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2586         if (buf != NULL)
2587                 {
2588                 OPENSSL_cleanse(buf,bufsize);
2589                 OPENSSL_free(buf);
2590                 }
2591         if (ret >= 0)
2592                 BIO_printf(bio_s_out,"ACCEPT\n");
2593         return(ret);
2594         }
2595
2596 static void close_accept_socket(void)
2597         {
2598         BIO_printf(bio_err,"shutdown accept socket\n");
2599         if (accept_socket >= 0)
2600                 {
2601                 SHUTDOWN2(accept_socket);
2602                 }
2603         }
2604
2605 static int init_ssl_connection(SSL *con)
2606         {
2607         int i;
2608         const char *str;
2609         X509 *peer;
2610         long verify_error;
2611         MS_STATIC char buf[BUFSIZ];
2612 #ifndef OPENSSL_NO_KRB5
2613         char *client_princ;
2614 #endif
2615 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2616         const unsigned char *next_proto_neg;
2617         unsigned next_proto_neg_len;
2618 #endif
2619         unsigned char *exportedkeymat;
2620
2621
2622         i=SSL_accept(con);
2623 #ifndef OPENSSL_NO_SRP
2624         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2625                 {
2626                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2627                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2628                         if (srp_callback_parm.user)
2629                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2630                         else
2631                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2632                         i=SSL_accept(con);
2633                 }
2634 #endif
2635         if (i <= 0)
2636                 {
2637                 if (BIO_sock_should_retry(i))
2638                         {
2639                         BIO_printf(bio_s_out,"DELAY\n");
2640                         return(1);
2641                         }
2642
2643                 BIO_printf(bio_err,"ERROR\n");
2644                 verify_error=SSL_get_verify_result(con);
2645                 if (verify_error != X509_V_OK)
2646                         {
2647                         BIO_printf(bio_err,"verify error:%s\n",
2648                                 X509_verify_cert_error_string(verify_error));
2649                         }
2650                 /* Always print any error messages */
2651                 ERR_print_errors(bio_err);
2652                 return(0);
2653                 }
2654
2655         if (s_brief)
2656                 print_ssl_summary(bio_err, con);
2657
2658         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2659
2660         peer=SSL_get_peer_certificate(con);
2661         if (peer != NULL)
2662                 {
2663                 BIO_printf(bio_s_out,"Client certificate\n");
2664                 PEM_write_bio_X509(bio_s_out,peer);
2665                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2666                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2667                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2668                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2669                 X509_free(peer);
2670                 }
2671
2672         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2673                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2674         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2675         ssl_print_sigalgs(bio_s_out, con);
2676         ssl_print_curves(bio_s_out, con, 0);
2677         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2678
2679 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2680         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2681         if (next_proto_neg)
2682                 {
2683                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2684                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2685                 BIO_printf(bio_s_out, "\n");
2686                 }
2687 #endif
2688         {
2689         SRTP_PROTECTION_PROFILE *srtp_profile
2690           = SSL_get_selected_srtp_profile(con);
2691
2692         if(srtp_profile)
2693                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2694                            srtp_profile->name);
2695         }
2696         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2697         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2698                 TLS1_FLAGS_TLS_PADDING_BUG)
2699                 BIO_printf(bio_s_out,
2700                            "Peer has incorrect TLSv1 block padding\n");
2701 #ifndef OPENSSL_NO_KRB5
2702         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2703         if (client_princ != NULL)
2704                 {
2705                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2706                                                                 client_princ);
2707                 }
2708 #endif /* OPENSSL_NO_KRB5 */
2709         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2710                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2711         if (keymatexportlabel != NULL)
2712                 {
2713                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2714                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2715                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2716                            keymatexportlen);
2717                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2718                 if (exportedkeymat != NULL)
2719                         {
2720                         if (!SSL_export_keying_material(con, exportedkeymat,
2721                                                         keymatexportlen,
2722                                                         keymatexportlabel,
2723                                                         strlen(keymatexportlabel),
2724                                                         NULL, 0, 0))
2725                                 {
2726                                 BIO_printf(bio_s_out, "    Error\n");
2727                                 }
2728                         else
2729                                 {
2730                                 BIO_printf(bio_s_out, "    Keying material: ");
2731                                 for (i=0; i<keymatexportlen; i++)
2732                                         BIO_printf(bio_s_out, "%02X",
2733                                                    exportedkeymat[i]);
2734                                 BIO_printf(bio_s_out, "\n");
2735                                 }
2736                         OPENSSL_free(exportedkeymat);
2737                         }
2738                 }
2739
2740         return(1);
2741         }
2742
2743 #ifndef OPENSSL_NO_DH
2744 static DH *load_dh_param(const char *dhfile)
2745         {
2746         DH *ret=NULL;
2747         BIO *bio;
2748
2749         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2750                 goto err;
2751         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2752 err:
2753         if (bio != NULL) BIO_free(bio);
2754         return(ret);
2755         }
2756 #endif
2757
2758 #if 0
2759 static int load_CA(SSL_CTX *ctx, char *file)
2760         {
2761         FILE *in;
2762         X509 *x=NULL;
2763
2764         if ((in=fopen(file,"r")) == NULL)
2765                 return(0);
2766
2767         for (;;)
2768                 {
2769                 if (PEM_read_X509(in,&x,NULL) == NULL)
2770                         break;
2771                 SSL_CTX_add_client_CA(ctx,x);
2772                 }
2773         if (x != NULL) X509_free(x);
2774         fclose(in);
2775         return(1);
2776         }
2777 #endif
2778
2779 static int www_body(char *hostname, int s, unsigned char *context)
2780         {
2781         char *buf=NULL;
2782         int ret=1;
2783         int i,j,k,dot;
2784         SSL *con;
2785         const SSL_CIPHER *c;
2786         BIO *io,*ssl_bio,*sbio;
2787 #ifndef OPENSSL_NO_KRB5
2788         KSSL_CTX *kctx;
2789 #endif
2790
2791         buf=OPENSSL_malloc(bufsize);
2792         if (buf == NULL) return(0);
2793         io=BIO_new(BIO_f_buffer());
2794         ssl_bio=BIO_new(BIO_f_ssl());
2795         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2796
2797 #ifdef FIONBIO
2798         if (s_nbio)
2799                 {
2800                 unsigned long sl=1;
2801
2802                 if (!s_quiet)
2803                         BIO_printf(bio_err,"turning on non blocking io\n");
2804                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2805                         ERR_print_errors(bio_err);
2806                 }
2807 #endif
2808
2809         /* lets make the output buffer a reasonable size */
2810         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2811
2812         if ((con=SSL_new(ctx)) == NULL) goto err;
2813 #ifndef OPENSSL_NO_TLSEXT
2814                 if (s_tlsextdebug)
2815                         {
2816                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2817                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2818                         }
2819 #endif
2820 #ifndef OPENSSL_NO_KRB5
2821         if ((kctx = kssl_ctx_new()) != NULL)
2822                 {
2823                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2824                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2825                 }
2826 #endif  /* OPENSSL_NO_KRB5 */
2827         if(context) SSL_set_session_id_context(con, context,
2828                                                strlen((char *)context));
2829
2830         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2831         if (s_nbio_test)
2832                 {
2833                 BIO *test;
2834
2835                 test=BIO_new(BIO_f_nbio_test());
2836                 sbio=BIO_push(test,sbio);
2837                 }
2838         SSL_set_bio(con,sbio,sbio);
2839         SSL_set_accept_state(con);
2840
2841         /* SSL_set_fd(con,s); */
2842         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2843         BIO_push(io,ssl_bio);
2844 #ifdef CHARSET_EBCDIC
2845         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2846 #endif
2847
2848         if (s_debug)
2849                 {
2850                 SSL_set_debug(con, 1);
2851                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2852                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2853                 }
2854         if (s_msg)
2855                 {
2856 #ifndef OPENSSL_NO_SSL_TRACE
2857                 if (s_msg == 2)
2858                         SSL_set_msg_callback(con, SSL_trace);
2859                 else
2860 #endif
2861                         SSL_set_msg_callback(con, msg_cb);
2862                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2863                 }
2864
2865         for (;;)
2866                 {
2867                 if (hack)
2868                         {
2869                         i=SSL_accept(con);
2870 #ifndef OPENSSL_NO_SRP
2871                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2872                 {
2873                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2874                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2875                         if (srp_callback_parm.user)
2876                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2877                         else
2878                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2879                         i=SSL_accept(con);
2880                 }
2881 #endif
2882                         switch (SSL_get_error(con,i))
2883                                 {
2884                         case SSL_ERROR_NONE:
2885                                 break;
2886                         case SSL_ERROR_WANT_WRITE:
2887                         case SSL_ERROR_WANT_READ:
2888                         case SSL_ERROR_WANT_X509_LOOKUP:
2889                                 continue;
2890                         case SSL_ERROR_SYSCALL:
2891                         case SSL_ERROR_SSL:
2892                         case SSL_ERROR_ZERO_RETURN:
2893                                 ret=1;
2894                                 goto err;
2895                                 /* break; */
2896                                 }
2897
2898                         SSL_renegotiate(con);
2899                         SSL_write(con,NULL,0);
2900                         }
2901
2902                 i=BIO_gets(io,buf,bufsize-1);
2903                 if (i < 0) /* error */
2904                         {
2905                         if (!BIO_should_retry(io))
2906                                 {
2907                                 if (!s_quiet)
2908                                         ERR_print_errors(bio_err);
2909                                 goto err;
2910                                 }
2911                         else
2912                                 {
2913                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2914 #if defined(OPENSSL_SYS_NETWARE)
2915             delay(1000);
2916 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2917                                 sleep(1);
2918 #endif
2919                                 continue;
2920                                 }
2921                         }
2922                 else if (i == 0) /* end of input */
2923                         {
2924                         ret=1;
2925                         goto end;
2926                         }
2927
2928                 /* else we have data */
2929                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2930                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2931                         {
2932                         char *p;
2933                         X509 *peer;
2934                         STACK_OF(SSL_CIPHER) *sk;
2935                         static const char *space="                          ";
2936
2937                 if (www == 1 && strncmp("GET /reneg", buf, 10) == 0)
2938                         {
2939                         if (strncmp("GET /renegcert", buf, 14) == 0)
2940                                 SSL_set_verify(con,
2941                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2942                         i=SSL_renegotiate(con);
2943                         BIO_printf(bio_s_out, "SSL_renegotiate -> %d\n",i);
2944                         i=SSL_do_handshake(con);
2945                         if (i <= 0)
2946                                 {
2947                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2948                                 ERR_print_errors(bio_err);
2949                                 goto err;
2950                                 }
2951                         /* EVIL HACK! */
2952                         SSL_set_state(con, SSL_ST_ACCEPT);
2953                         i=SSL_do_handshake(con);
2954                         BIO_printf(bio_s_out, "SSL_do_handshake -> %d\n",i);
2955                         if (i <= 0)
2956                                 {
2957                                 BIO_printf(bio_s_out, "SSL_do_handshake() Retval %d\n", SSL_get_error(con, i));
2958                                 ERR_print_errors(bio_err);
2959                                 goto err;
2960                                 }
2961                         }
2962
2963                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2964                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2965                         BIO_puts(io,"<pre>\n");
2966 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2967                         BIO_puts(io,"\n");
2968                         for (i=0; i<local_argc; i++)
2969                                 {
2970                                 BIO_puts(io,local_argv[i]);
2971                                 BIO_write(io," ",1);
2972                                 }
2973                         BIO_puts(io,"\n");
2974
2975                         BIO_printf(io,
2976                                 "Secure Renegotiation IS%s supported\n",
2977                                 SSL_get_secure_renegotiation_support(con) ?
2978                                                         "" : " NOT");
2979
2980                         /* The following is evil and should not really
2981                          * be done */
2982                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2983                         sk=SSL_get_ciphers(con);
2984                         j=sk_SSL_CIPHER_num(sk);
2985                         for (i=0; i<j; i++)
2986                                 {
2987                                 c=sk_SSL_CIPHER_value(sk,i);
2988                                 BIO_printf(io,"%-11s:%-25s",
2989                                         SSL_CIPHER_get_version(c),
2990                                         SSL_CIPHER_get_name(c));
2991                                 if ((((i+1)%2) == 0) && (i+1 != j))
2992                                         BIO_puts(io,"\n");
2993                                 }
2994                         BIO_puts(io,"\n");
2995                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2996                         if (p != NULL)
2997                                 {
2998                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2999                                 j=i=0;
3000                                 while (*p)
3001                                         {
3002                                         if (*p == ':')
3003                                                 {
3004                                                 BIO_write(io,space,26-j);
3005                                                 i++;
3006                                                 j=0;
3007                                                 BIO_write(io,((i%3)?" ":"\n"),1);
3008                                                 }
3009                                         else
3010                                                 {
3011                                                 BIO_write(io,p,1);
3012                                                 j++;
3013                                                 }
3014                                         p++;
3015                                         }
3016                                 BIO_puts(io,"\n");
3017                                 }
3018                         ssl_print_sigalgs(io, con);
3019                         ssl_print_curves(io, con, 0);
3020                         BIO_printf(io,(SSL_cache_hit(con)
3021                                 ?"---\nReused, "
3022                                 :"---\nNew, "));
3023                         c=SSL_get_current_cipher(con);
3024                         BIO_printf(io,"%s, Cipher is %s\n",
3025                                 SSL_CIPHER_get_version(c),
3026                                 SSL_CIPHER_get_name(c));
3027                         SSL_SESSION_print(io,SSL_get_session(con));
3028                         BIO_printf(io,"---\n");
3029                         print_stats(io,SSL_get_SSL_CTX(con));
3030                         BIO_printf(io,"---\n");
3031                         peer=SSL_get_peer_certificate(con);
3032                         if (peer != NULL)
3033                                 {
3034                                 BIO_printf(io,"Client certificate\n");
3035                                 X509_print(io,peer);
3036                                 PEM_write_bio_X509(io,peer);
3037                                 }
3038                         else
3039                                 BIO_puts(io,"no client certificate available\n");
3040                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3041                         break;
3042                         }
3043                 else if ((www == 2 || www == 3)
3044                          && (strncmp("GET /",buf,5) == 0))
3045                         {
3046                         BIO *file;
3047                         char *p,*e;
3048                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3049
3050                         /* skip the '/' */
3051                         p= &(buf[5]);
3052
3053                         dot = 1;
3054                         for (e=p; *e != '\0'; e++)
3055                                 {
3056                                 if (e[0] == ' ')
3057                                         break;
3058
3059                                 switch (dot)
3060                                         {
3061                                 case 1:
3062                                         dot = (e[0] == '.') ? 2 : 0;
3063                                         break;
3064                                 case 2:
3065                                         dot = (e[0] == '.') ? 3 : 0;
3066                                         break;
3067                                 case 3:
3068                                         dot = (e[0] == '/') ? -1 : 0;
3069                                         break;
3070                                         }
3071                                 if (dot == 0)
3072                                         dot = (e[0] == '/') ? 1 : 0;
3073                                 }
3074                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3075
3076                         if (*e == '\0')
3077                                 {
3078                                 BIO_puts(io,text);
3079                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3080                                 break;
3081                                 }
3082                         *e='\0';
3083
3084                         if (dot)
3085                                 {
3086                                 BIO_puts(io,text);
3087                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3088                                 break;
3089                                 }
3090
3091                         if (*p == '/')
3092                                 {
3093                                 BIO_puts(io,text);
3094                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3095                                 break;
3096                                 }
3097
3098 #if 0
3099                         /* append if a directory lookup */
3100                         if (e[-1] == '/')
3101                                 strcat(p,"index.html");
3102 #endif
3103
3104                         /* if a directory, do the index thang */
3105                         if (app_isdir(p)>0)
3106                                 {
3107 #if 0 /* must check buffer size */
3108                                 strcat(p,"/index.html");
3109 #else
3110                                 BIO_puts(io,text);
3111                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3112                                 break;
3113 #endif
3114                                 }
3115
3116                         if ((file=BIO_new_file(p,"r")) == NULL)
3117                                 {
3118                                 BIO_puts(io,text);
3119                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3120                                 ERR_print_errors(io);
3121                                 break;
3122                                 }
3123
3124                         if (!s_quiet)
3125                                 BIO_printf(bio_err,"FILE:%s\n",p);
3126
3127                         if (www == 2)
3128                                 {
3129                                 i=strlen(p);
3130                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3131                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3132                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3133                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3134                                 else
3135                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3136                                 }
3137                         /* send the file */
3138                         for (;;)
3139                                 {
3140                                 i=BIO_read(file,buf,bufsize);
3141                                 if (i <= 0) break;
3142
3143 #ifdef RENEG
3144                                 total_bytes+=i;
3145                                 fprintf(stderr,"%d\n",i);
3146                                 if (total_bytes > 3*1024)
3147                                         {
3148                                         total_bytes=0;
3149                                         fprintf(stderr,"RENEGOTIATE\n");
3150                                         SSL_renegotiate(con);
3151                                         }
3152 #endif
3153
3154                                 for (j=0; j<i; )
3155                                         {
3156 #ifdef RENEG
3157 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3158 #endif
3159                                         k=BIO_write(io,&(buf[j]),i-j);
3160                                         if (k <= 0)
3161                                                 {
3162                                                 if (!BIO_should_retry(io))
3163                                                         goto write_error;
3164                                                 else
3165                                                         {
3166                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3167                                                         }
3168                                                 }
3169                                         else
3170                                                 {
3171                                                 j+=k;
3172                                                 }
3173                                         }
3174                                 }
3175 write_error:
3176                         BIO_free(file);
3177                         break;
3178                         }
3179                 }
3180
3181         for (;;)
3182                 {
3183                 i=(int)BIO_flush(io);
3184                 if (i <= 0)
3185                         {
3186                         if (!BIO_should_retry(io))
3187                                 break;
3188                         }
3189                 else
3190                         break;
3191                 }
3192 end:
3193 #if 1
3194         /* make sure we re-use sessions */
3195         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3196 #else
3197         /* This kills performance */
3198 /*      SSL_shutdown(con); A shutdown gets sent in the
3199  *      BIO_free_all(io) procession */
3200 #endif
3201
3202 err:
3203
3204         if (ret >= 0)
3205                 BIO_printf(bio_s_out,"ACCEPT\n");
3206
3207         if (buf != NULL) OPENSSL_free(buf);
3208         if (io != NULL) BIO_free_all(io);
3209 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3210         return(ret);
3211         }
3212
3213 #ifndef OPENSSL_NO_RSA
3214 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3215         {
3216         BIGNUM *bn = NULL;
3217         static RSA *rsa_tmp=NULL;
3218
3219         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3220                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3221         if (!rsa_tmp && bn)
3222                 {
3223                 if (!s_quiet)
3224                         {
3225                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3226                         (void)BIO_flush(bio_err);
3227                         }
3228                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3229                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3230                         {
3231                         if(rsa_tmp) RSA_free(rsa_tmp);
3232                         rsa_tmp = NULL;
3233                         }
3234                 if (!s_quiet)
3235                         {
3236                         BIO_printf(bio_err,"\n");
3237                         (void)BIO_flush(bio_err);
3238                         }
3239                 BN_free(bn);
3240                 }
3241         return(rsa_tmp);
3242         }
3243 #endif
3244
3245 #define MAX_SESSION_ID_ATTEMPTS 10
3246 static int generate_session_id(const SSL *ssl, unsigned char *id,
3247                                 unsigned int *id_len)
3248         {
3249         unsigned int count = 0;
3250         do      {
3251                 RAND_pseudo_bytes(id, *id_len);
3252                 /* Prefix the session_id with the required prefix. NB: If our
3253                  * prefix is too long, clip it - but there will be worse effects
3254                  * anyway, eg. the server could only possibly create 1 session
3255                  * ID (ie. the prefix!) so all future session negotiations will
3256                  * fail due to conflicts. */
3257                 memcpy(id, session_id_prefix,
3258                         (strlen(session_id_prefix) < *id_len) ?
3259                         strlen(session_id_prefix) : *id_len);
3260                 }
3261         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3262                 (++count < MAX_SESSION_ID_ATTEMPTS));
3263         if(count >= MAX_SESSION_ID_ATTEMPTS)
3264                 return 0;
3265         return 1;
3266         }
3267
3268 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3269  * structures without any serialisation. This hides some bugs which only
3270  * become apparent in deployed servers. By implementing a basic external
3271  * session cache some issues can be debugged using s_server.
3272  */
3273
3274 typedef struct simple_ssl_session_st
3275         {
3276         unsigned char *id;
3277         unsigned int idlen;
3278         unsigned char *der;
3279         int derlen;
3280         struct simple_ssl_session_st *next;
3281         } simple_ssl_session;
3282
3283 static simple_ssl_session *first = NULL;
3284
3285 static int add_session(SSL *ssl, SSL_SESSION *session)
3286         {
3287         simple_ssl_session *sess;
3288         unsigned char *p;
3289
3290         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3291
3292         SSL_SESSION_get_id(session, &sess->idlen);
3293         sess->derlen = i2d_SSL_SESSION(session, NULL);
3294
3295         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3296
3297         sess->der = OPENSSL_malloc(sess->derlen);
3298         p = sess->der;
3299         i2d_SSL_SESSION(session, &p);
3300
3301         sess->next = first;
3302         first = sess;
3303         BIO_printf(bio_err, "New session added to external cache\n");
3304         return 0;
3305         }
3306
3307 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3308                                         int *do_copy)
3309         {
3310         simple_ssl_session *sess;
3311         *do_copy = 0;
3312         for (sess = first; sess; sess = sess->next)
3313                 {
3314                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3315                         {
3316                         const unsigned char *p = sess->der;
3317                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3318                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3319                         }
3320                 }
3321         BIO_printf(bio_err, "Lookup session: cache miss\n");
3322         return NULL;
3323         }
3324
3325 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3326         {
3327         simple_ssl_session *sess, *prev = NULL;
3328         const unsigned char *id;
3329         unsigned int idlen;
3330         id = SSL_SESSION_get_id(session, &idlen);
3331         for (sess = first; sess; sess = sess->next)
3332                 {
3333                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3334                         {
3335                         if(prev)
3336                                 prev->next = sess->next;
3337                         else
3338                                 first = sess->next;
3339                         OPENSSL_free(sess->id);
3340                         OPENSSL_free(sess->der);
3341                         OPENSSL_free(sess);
3342                         return;
3343                         }
3344                 prev = sess;
3345                 }
3346         }
3347
3348 static void init_session_cache_ctx(SSL_CTX *sctx)
3349         {
3350         SSL_CTX_set_session_cache_mode(sctx,
3351                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3352         SSL_CTX_sess_set_new_cb(sctx, add_session);
3353         SSL_CTX_sess_set_get_cb(sctx, get_session);
3354         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3355         }
3356
3357 static void free_sessions(void)
3358         {
3359         simple_ssl_session *sess, *tsess;
3360         for (sess = first; sess;)
3361                 {
3362                 OPENSSL_free(sess->id);
3363                 OPENSSL_free(sess->der);
3364                 tsess = sess;
3365                 sess = sess->next;
3366                 OPENSSL_free(tsess);
3367                 }
3368         first = NULL;
3369         }
3370
3371 static int ssl_load_stores(SSL_CTX *sctx,
3372                         const char *vfyCApath, const char *vfyCAfile,
3373                         const char *chCApath, const char *chCAfile)
3374         {
3375         X509_STORE *vfy = NULL, *ch = NULL;
3376         int rv = 0;
3377         if (vfyCApath || vfyCAfile)
3378                 {
3379                 vfy = X509_STORE_new();
3380                 if (!X509_STORE_load_locations(vfy, vfyCAfile, vfyCApath))
3381                         goto err;
3382                 SSL_CTX_set1_verify_cert_store(ctx, vfy);
3383                 }
3384         if (chCApath || chCAfile)
3385                 {
3386                 ch = X509_STORE_new();
3387                 if (!X509_STORE_load_locations(ch, chCAfile, chCApath))
3388                         goto err;
3389                 /*X509_STORE_set_verify_cb(ch, verify_callback);*/
3390                 SSL_CTX_set1_chain_cert_store(ctx, ch);
3391                 }
3392         rv = 1;
3393         err:
3394         if (vfy)
3395                 X509_STORE_free(vfy);
3396         if (ch)
3397                 X509_STORE_free(ch);
3398         return rv;
3399         }
3400
3401
3402
3403
3404
3405
3406
3407
3408