apps/s_server.c

   1 /* apps/s_server.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
 113  * ECC cipher suite support in OpenSSL originally developed by
 114  * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
 115  */
 116 /* ====================================================================
 117  * Copyright 2005 Nokia. All rights reserved.
 118  *
 119  * The portions of the attached software ("Contribution") is developed by
 120  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 121  * license.
 122  *
 123  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 124  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 125  * support (see RFC 4279) to OpenSSL.
 126  *
 127  * No patent licenses or other rights except those expressly stated in
 128  * the OpenSSL open source license shall be deemed granted or received
 129  * expressly, by implication, estoppel, or otherwise.
 130  *
 131  * No assurances are provided by Nokia that the Contribution does not
 132  * infringe the patent or other intellectual property rights of any third
 133  * party or that the license provides you with all the necessary rights
 134  * to make use of the Contribution.
 135  *
 136  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 137  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 138  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 139  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 140  * OTHERWISE.
 141  */
 142
 143 /* Until the key-gen callbacks are modified to use newer prototypes, we allow
 144  * deprecated functions for openssl-internal code */
 145 #ifdef OPENSSL_NO_DEPRECATED
 146 #undef OPENSSL_NO_DEPRECATED
 147 #endif
 148
 149 #include <assert.h>
 150 #include <ctype.h>
 151 #include <stdio.h>
 152 #include <stdlib.h>
 153 #include <string.h>
 154
 155 #include <openssl/e_os2.h>
 156 #ifdef OPENSSL_NO_STDIO
 157 #define APPS_WIN16
 158 #endif
 159
 160 #if !defined(OPENSSL_SYS_NETWARE)  /* conflicts with winsock2 stuff on netware */
 161 #include <sys/types.h>
 162 #endif
 163
 164 /* With IPv6, it looks like Digital has mixed up the proper order of
 165    recursive header file inclusion, resulting in the compiler complaining
 166    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 167    is needed to have fileno() declared correctly...  So let's define u_int */
 168 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 169 #define __U_INT
 170 typedef unsigned int u_int;
 171 #endif
 172
 173 #include <openssl/lhash.h>
 174 #include <openssl/bn.h>
 175 #define USE_SOCKETS
 176 #include "apps.h"
 177 #include <openssl/err.h>
 178 #include <openssl/pem.h>
 179 #include <openssl/x509.h>
 180 #include <openssl/ssl.h>
 181 #include <openssl/rand.h>
 182 #include <openssl/ocsp.h>
 183 #ifndef OPENSSL_NO_DH
 184 #include <openssl/dh.h>
 185 #endif
 186 #ifndef OPENSSL_NO_RSA
 187 #include <openssl/rsa.h>
 188 #endif
 189 #ifndef OPENSSL_NO_SRP
 190 #include <openssl/srp.h>
 191 #endif
 192 #include "s_apps.h"
 193 #include "timeouts.h"
 194
 195 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 196 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 197 #undef FIONBIO
 198 #endif
 199
 200 #if defined(OPENSSL_SYS_BEOS_R5)
 201 #include <fcntl.h>
 202 #endif
 203
 204 #ifndef OPENSSL_NO_RSA
 205 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 206 #endif
 207 static int sv_body(char *hostname, int s, int stype, unsigned char *context);
 208 static int www_body(char *hostname, int s, int stype, unsigned char *context);
 209 static int rev_body(char *hostname, int s, int stype, unsigned char *context);
 210 static void close_accept_socket(void );
 211 static void sv_usage(void);
 212 static int init_ssl_connection(SSL *s);
 213 static void print_stats(BIO *bp,SSL_CTX *ctx);
 214 static int generate_session_id(const SSL *ssl, unsigned char *id,
 215                                 unsigned int *id_len);
 216 static void init_session_cache_ctx(SSL_CTX *sctx);
 217 static void free_sessions(void);
 218 #ifndef OPENSSL_NO_DH
 219 static DH *load_dh_param(const char *dhfile);
 220 static DH *get_dh512(void);
 221 #endif
 222
 223 #ifdef MONOLITH
 224 static void s_server_init(void);
 225 #endif
 226
 227 #ifndef OPENSSL_NO_DH
 228 static unsigned char dh512_p[]={
 229         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 230         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 231         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 232         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 233         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 234         0x47,0x74,0xE8,0x33,
 235         };
 236 static unsigned char dh512_g[]={
 237         0x02,
 238         };
 239
 240 static DH *get_dh512(void)
 241         {
 242         DH *dh=NULL;
 243
 244         if ((dh=DH_new()) == NULL) return(NULL);
 245         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 246         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 247         if ((dh->p == NULL) || (dh->g == NULL))
 248                 return(NULL);
 249         return(dh);
 250         }
 251 #endif
 252
 253
 254 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 255
 256 #undef BUFSIZZ
 257 #define BUFSIZZ 16*1024
 258 static int bufsize=BUFSIZZ;
 259 static int accept_socket= -1;
 260
 261 #define TEST_CERT       "server.pem"
 262 #ifndef OPENSSL_NO_TLSEXT
 263 #define TEST_CERT2      "server2.pem"
 264 #endif
 265 #undef PROG
 266 #define PROG            s_server_main
 267
 268 extern int verify_depth, verify_return_error, verify_quiet;
 269
 270 static int s_server_verify=SSL_VERIFY_NONE;
 271 static int s_server_session_id_context = 1; /* anything will do */
 272 static const char *s_cert_file=TEST_CERT,*s_key_file=NULL, *s_chain_file=NULL;
 273 #ifndef OPENSSL_NO_TLSEXT
 274 static const char *s_cert_file2=TEST_CERT2,*s_key_file2=NULL;
 275 #endif
 276 static char *s_dcert_file=NULL,*s_dkey_file=NULL, *s_dchain_file=NULL;
 277 #ifdef FIONBIO
 278 static int s_nbio=0;
 279 #endif
 280 static int s_nbio_test=0;
 281 int s_crlf=0;
 282 static SSL_CTX *ctx=NULL;
 283 #ifndef OPENSSL_NO_TLSEXT
 284 static SSL_CTX *ctx2=NULL;
 285 #endif
 286 static int www=0;
 287
 288 static BIO *bio_s_out=NULL;
 289 static BIO *bio_s_msg = NULL;
 290 static int s_debug=0;
 291 #ifndef OPENSSL_NO_TLSEXT
 292 static int s_tlsextdebug=0;
 293 static int s_tlsextstatus=0;
 294 static int cert_status_cb(SSL *s, void *arg);
 295 #endif
 296 static int no_resume_ephemeral = 0;
 297 static int s_msg=0;
 298 static int s_quiet=0;
 299 static int s_ign_eof=0;
 300 static int s_brief=0;
 301
 302 static char *keymatexportlabel=NULL;
 303 static int keymatexportlen=20;
 304
 305 static int hack=0;
 306 #ifndef OPENSSL_NO_ENGINE
 307 static char *engine_id=NULL;
 308 #endif
 309 static const char *session_id_prefix=NULL;
 310
 311 static int enable_timeouts = 0;
 312 static long socket_mtu;
 313 #ifndef OPENSSL_NO_DTLS1
 314 static int cert_chain = 0;
 315 #endif
 316
 317 #ifndef OPENSSL_NO_TLSEXT
 318 static BIO *serverinfo_in = NULL;
 319 static const char *s_serverinfo_file = NULL;
 320
 321 #endif
 322
 323 #ifndef OPENSSL_NO_PSK
 324 static char *psk_identity="Client_identity";
 325 char *psk_key=NULL; /* by default PSK is not used */
 326
 327 static unsigned int psk_server_cb(SSL *ssl, const char *identity,
 328         unsigned char *psk, unsigned int max_psk_len)
 329         {
 330         unsigned int psk_len = 0;
 331         int ret;
 332         BIGNUM *bn = NULL;
 333
 334         if (s_debug)
 335                 BIO_printf(bio_s_out,"psk_server_cb\n");
 336         if (!identity)
 337                 {
 338                 BIO_printf(bio_err,"Error: client did not send PSK identity\n");
 339                 goto out_err;
 340                 }
 341         if (s_debug)
 342                 BIO_printf(bio_s_out,"identity_len=%d identity=%s\n",
 343                         identity ? (int)strlen(identity) : 0, identity);
 344
 345         /* here we could lookup the given identity e.g. from a database */
 346         if (strcmp(identity, psk_identity) != 0)
 347                 {
 348                 BIO_printf(bio_s_out, "PSK error: client identity not found"
 349                            " (got '%s' expected '%s')\n", identity,
 350                            psk_identity);
 351                 goto out_err;
 352                 }
 353         if (s_debug)
 354                 BIO_printf(bio_s_out, "PSK client identity found\n");
 355
 356         /* convert the PSK key to binary */
 357         ret = BN_hex2bn(&bn, psk_key);
 358         if (!ret)
 359                 {
 360                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 361                 if (bn)
 362                         BN_free(bn);
 363                 return 0;
 364                 }
 365         if (BN_num_bytes(bn) > (int)max_psk_len)
 366                 {
 367                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 368                         max_psk_len, BN_num_bytes(bn));
 369                 BN_free(bn);
 370                 return 0;
 371                 }
 372
 373         ret = BN_bn2bin(bn, psk);
 374         BN_free(bn);
 375
 376         if (ret < 0)
 377                 goto out_err;
 378         psk_len = (unsigned int)ret;
 379
 380         if (s_debug)
 381                 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len);
 382         return psk_len;
 383  out_err:
 384         if (s_debug)
 385                 BIO_printf(bio_err, "Error in PSK server callback\n");
 386         return 0;
 387         }
 388 #endif
 389
 390 #ifndef OPENSSL_NO_SRP
 391 /* This is a context that we pass to callbacks */
 392 typedef struct srpsrvparm_st
 393         {
 394         char *login;
 395         SRP_VBASE *vb;
 396         SRP_user_pwd *user;
 397         } srpsrvparm;
 398
 399 /* This callback pretends to require some asynchronous logic in order to obtain
 400    a verifier. When the callback is called for a new connection we return
 401    with a negative value. This will provoke the accept etc to return with
 402    an LOOKUP_X509. The main logic of the reinvokes the suspended call
 403    (which would normally occur after a worker has finished) and we
 404    set the user parameters.
 405 */
 406 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg)
 407         {
 408         srpsrvparm *p = (srpsrvparm *)arg;
 409         if (p->login == NULL && p->user == NULL )
 410                 {
 411                 p->login = SSL_get_srp_username(s);
 412                 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login);
 413                 return (-1) ;
 414                 }
 415
 416         if (p->user == NULL)
 417                 {
 418                 BIO_printf(bio_err, "User %s doesn't exist\n", p->login);
 419                 return SSL3_AL_FATAL;
 420                 }
 421         if (SSL_set_srp_server_param(s, p->user->N, p->user->g, p->user->s, p->user->v,
 422                                      p->user->info) < 0)
 423                 {
 424                 *ad = SSL_AD_INTERNAL_ERROR;
 425                 return SSL3_AL_FATAL;
 426                 }
 427         BIO_printf(bio_err, "SRP parameters set: username = \"%s\" info=\"%s\" \n", p->login,p->user->info);
 428         /* need to check whether there are memory leaks */
 429         p->user = NULL;
 430         p->login = NULL;
 431         return SSL_ERROR_NONE;
 432         }
 433
 434 #endif
 435
 436 #ifdef MONOLITH
 437 static void s_server_init(void)
 438         {
 439         accept_socket=-1;
 440         s_server_verify=SSL_VERIFY_NONE;
 441         s_dcert_file=NULL;
 442         s_dkey_file=NULL;
 443         s_dchain_file=NULL;
 444         s_cert_file=TEST_CERT;
 445         s_key_file=NULL;
 446         s_chain_file=NULL;
 447 #ifndef OPENSSL_NO_TLSEXT
 448         s_cert_file2=TEST_CERT2;
 449         s_key_file2=NULL;
 450         ctx2=NULL;
 451 #endif
 452 #ifdef FIONBIO
 453         s_nbio=0;
 454 #endif
 455         s_nbio_test=0;
 456         ctx=NULL;
 457         www=0;
 458
 459         bio_s_out=NULL;
 460         s_debug=0;
 461         s_msg=0;
 462         s_quiet=0;
 463         s_brief=0;
 464         hack=0;
 465 #ifndef OPENSSL_NO_ENGINE
 466         engine_id=NULL;
 467 #endif
 468         }
 469 #endif
 470
 471 static void sv_usage(void)
 472         {
 473         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 474         BIO_printf(bio_err,"\n");
 475         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 476         BIO_printf(bio_err," -checkhost host - check peer certificate matches \"host\"\n");
 477         BIO_printf(bio_err," -checkemail email - check peer certificate matches \"email\"\n");
 478         BIO_printf(bio_err," -checkip ipaddr - check peer certificate matches \"ipaddr\"\n");
 479         BIO_printf(bio_err," -context arg  - set session ID context\n");
 480         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 481         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 482         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 483         BIO_printf(bio_err," -cert arg     - certificate file to use\n");
 484         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 485 #ifndef OPENSSL_NO_TLSEXT
 486         BIO_printf(bio_err," -serverinfo arg - PEM serverinfo file for certificate\n");
 487         BIO_printf(bio_err," -auth               - send and receive RFC 5878 TLS auth extensions and supplemental data\n");
 488         BIO_printf(bio_err," -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n");
 489 #endif
 490         BIO_printf(bio_err," -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n");
 491         BIO_printf(bio_err," -crl_check    - check the peer certificate has not been revoked by its CA.\n" \
 492                            "                 The CRL(s) are appended to the certificate file\n");
 493         BIO_printf(bio_err," -crl_check_all - check the peer certificate has not been revoked by its CA\n" \
 494                            "                 or any other CRL in the CA chain. CRL(s) are appened to the\n" \
 495                            "                 the certificate file.\n");
 496         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 497         BIO_printf(bio_err," -key arg      - Private Key file to use, in cert file if\n");
 498         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 499         BIO_printf(bio_err," -keyform arg  - key format (PEM, DER or ENGINE) PEM default\n");
 500         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 501         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 502         BIO_printf(bio_err," -dcertform x  - second certificate format (PEM or DER) PEM default\n");
 503         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 504         BIO_printf(bio_err," -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n");
 505         BIO_printf(bio_err," -dpass arg    - second private key file pass phrase source\n");
 506         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 507         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 508 #ifndef OPENSSL_NO_ECDH
 509         BIO_printf(bio_err," -named_curve arg  - Elliptic curve name to use for ephemeral ECDH keys.\n" \
 510                            "                 Use \"openssl ecparam -list_curves\" for all names\n" \
 511                            "                 (default is nistp256).\n");
 512 #endif
 513 #ifdef FIONBIO
 514         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 515 #endif
 516         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 517         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 518         BIO_printf(bio_err," -debug        - Print more output\n");
 519         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 520         BIO_printf(bio_err," -state        - Print the SSL states\n");
 521         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 522         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 523         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 524         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 525         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences\n");
 526         BIO_printf(bio_err," -quiet        - No server output\n");
 527         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 528 #ifndef OPENSSL_NO_PSK
 529         BIO_printf(bio_err," -psk_hint arg - PSK identity hint to use\n");
 530         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 531 # ifndef OPENSSL_NO_JPAKE
 532         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 533 # endif
 534 #endif
 535 #ifndef OPENSSL_NO_SRP
 536         BIO_printf(bio_err," -srpvfile file      - The verifier file for SRP\n");
 537         BIO_printf(bio_err," -srpuserseed string - A seed string for a default user salt.\n");
 538 #endif
 539         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 540         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 541         BIO_printf(bio_err," -tls1_2       - Just talk TLSv1.2\n");
 542         BIO_printf(bio_err," -tls1_1       - Just talk TLSv1.1\n");
 543         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 544         BIO_printf(bio_err," -dtls1        - Just talk DTLSv1\n");
 545         BIO_printf(bio_err," -dtls1_2      - Just talk DTLSv1.2\n");
 546         BIO_printf(bio_err," -timeout      - Enable timeouts\n");
 547         BIO_printf(bio_err," -mtu          - Set link layer MTU\n");
 548         BIO_printf(bio_err," -chain        - Read a certificate chain\n");
 549         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 550         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 551         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 552         BIO_printf(bio_err," -no_tls1_1    - Just disable TLSv1.1\n");
 553         BIO_printf(bio_err," -no_tls1_2    - Just disable TLSv1.2\n");
 554 #ifndef OPENSSL_NO_DH
 555         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 556 #endif
 557 #ifndef OPENSSL_NO_ECDH
 558         BIO_printf(bio_err," -no_ecdhe     - Disable ephemeral ECDH\n");
 559 #endif
 560         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatibility\n");
 561         BIO_printf(bio_err," -hack         - workaround for early Netscape code\n");
 562         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 563         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 564         BIO_printf(bio_err," -HTTP         - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 565         BIO_printf(bio_err,"                 with the assumption it contains a complete HTTP response.\n");
 566 #ifndef OPENSSL_NO_ENGINE
 567         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 568 #endif
 569         BIO_printf(bio_err," -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n");
 570         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 571 #ifndef OPENSSL_NO_TLSEXT
 572         BIO_printf(bio_err," -servername host - servername for HostName TLS extension\n");
 573         BIO_printf(bio_err," -servername_fatal - on mismatch send fatal alert (default warning alert)\n");
 574         BIO_printf(bio_err," -cert2 arg    - certificate file to use for servername\n");
 575         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT2);
 576         BIO_printf(bio_err," -key2 arg     - Private Key file to use for servername, in cert file if\n");
 577         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT2);
 578         BIO_printf(bio_err," -tlsextdebug  - hex dump of all TLS extensions received\n");
 579         BIO_printf(bio_err," -no_ticket    - disable use of RFC4507bis session tickets\n");
 580         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 581 # ifndef OPENSSL_NO_NEXTPROTONEG
 582         BIO_printf(bio_err," -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n");
 583 # endif
 584         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 585         BIO_printf(bio_err," -alpn arg  - set the advertised protocols for the ALPN extension (comma-separated list)\n");
 586 #endif
 587         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 588         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 589         BIO_printf(bio_err," -status           - respond to certificate status requests\n");
 590         BIO_printf(bio_err," -status_verbose   - enable status request verbose printout\n");
 591         BIO_printf(bio_err," -status_timeout n - status request responder timeout\n");
 592         BIO_printf(bio_err," -status_url URL   - status request fallback URL\n");
 593         }
 594
 595 static int local_argc=0;
 596 static char **local_argv;
 597
 598 #ifdef CHARSET_EBCDIC
 599 static int ebcdic_new(BIO *bi);
 600 static int ebcdic_free(BIO *a);
 601 static int ebcdic_read(BIO *b, char *out, int outl);
 602 static int ebcdic_write(BIO *b, const char *in, int inl);
 603 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr);
 604 static int ebcdic_gets(BIO *bp, char *buf, int size);
 605 static int ebcdic_puts(BIO *bp, const char *str);
 606
 607 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 608 static BIO_METHOD methods_ebcdic=
 609         {
 610         BIO_TYPE_EBCDIC_FILTER,
 611         "EBCDIC/ASCII filter",
 612         ebcdic_write,
 613         ebcdic_read,
 614         ebcdic_puts,
 615         ebcdic_gets,
 616         ebcdic_ctrl,
 617         ebcdic_new,
 618         ebcdic_free,
 619         };
 620
 621 typedef struct
 622 {
 623         size_t  alloced;
 624         char    buff[1];
 625 } EBCDIC_OUTBUFF;
 626
 627 BIO_METHOD *BIO_f_ebcdic_filter()
 628 {
 629         return(&methods_ebcdic);
 630 }
 631
 632 static int ebcdic_new(BIO *bi)
 633 {
 634         EBCDIC_OUTBUFF *wbuf;
 635
 636         wbuf = (EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 637         wbuf->alloced = 1024;
 638         wbuf->buff[0] = '\0';
 639
 640         bi->ptr=(char *)wbuf;
 641         bi->init=1;
 642         bi->flags=0;
 643         return(1);
 644 }
 645
 646 static int ebcdic_free(BIO *a)
 647 {
 648         if (a == NULL) return(0);
 649         if (a->ptr != NULL)
 650                 OPENSSL_free(a->ptr);
 651         a->ptr=NULL;
 652         a->init=0;
 653         a->flags=0;
 654         return(1);
 655 }
 656
 657 static int ebcdic_read(BIO *b, char *out, int outl)
 658 {
 659         int ret=0;
 660
 661         if (out == NULL || outl == 0) return(0);
 662         if (b->next_bio == NULL) return(0);
 663
 664         ret=BIO_read(b->next_bio,out,outl);
 665         if (ret > 0)
 666                 ascii2ebcdic(out,out,ret);
 667         return(ret);
 668 }
 669
 670 static int ebcdic_write(BIO *b, const char *in, int inl)
 671 {
 672         EBCDIC_OUTBUFF *wbuf;
 673         int ret=0;
 674         int num;
 675         unsigned char n;
 676
 677         if ((in == NULL) || (inl <= 0)) return(0);
 678         if (b->next_bio == NULL) return(0);
 679
 680         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 681
 682         if (inl > (num = wbuf->alloced))
 683         {
 684                 num = num + num;  /* double the size */
 685                 if (num < inl)
 686                         num = inl;
 687                 OPENSSL_free(wbuf);
 688                 wbuf=(EBCDIC_OUTBUFF *)OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num);
 689
 690                 wbuf->alloced = num;
 691                 wbuf->buff[0] = '\0';
 692
 693                 b->ptr=(char *)wbuf;
 694         }
 695
 696         ebcdic2ascii(wbuf->buff, in, inl);
 697
 698         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 699
 700         return(ret);
 701 }
 702
 703 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr)
 704 {
 705         long ret;
 706
 707         if (b->next_bio == NULL) return(0);
 708         switch (cmd)
 709         {
 710         case BIO_CTRL_DUP:
 711                 ret=0L;
 712                 break;
 713         default:
 714                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 715                 break;
 716         }
 717         return(ret);
 718 }
 719
 720 static int ebcdic_gets(BIO *bp, char *buf, int size)
 721 {
 722         int i, ret=0;
 723         if (bp->next_bio == NULL) return(0);
 724 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 725         for (i=0; i<size-1; ++i)
 726         {
 727                 ret = ebcdic_read(bp,&buf[i],1);
 728                 if (ret <= 0)
 729                         break;
 730                 else if (buf[i] == '\n')
 731                 {
 732                         ++i;
 733                         break;
 734                 }
 735         }
 736         if (i < size)
 737                 buf[i] = '\0';
 738         return (ret < 0 && i == 0) ? ret : i;
 739 }
 740
 741 static int ebcdic_puts(BIO *bp, const char *str)
 742 {
 743         if (bp->next_bio == NULL) return(0);
 744         return ebcdic_write(bp, str, strlen(str));
 745 }
 746 #endif
 747
 748 #ifndef OPENSSL_NO_TLSEXT
 749
 750 /* This is a context that we pass to callbacks */
 751 typedef struct tlsextctx_st {
 752    char * servername;
 753    BIO * biodebug;
 754    int extension_error;
 755 } tlsextctx;
 756
 757
 758 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 759         {
 760         tlsextctx * p = (tlsextctx *) arg;
 761         const char * servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 762         if (servername && p->biodebug)
 763                 BIO_printf(p->biodebug,"Hostname in TLS extension: \"%s\"\n",servername);
 764
 765         if (!p->servername)
 766                 return SSL_TLSEXT_ERR_NOACK;
 767
 768         if (servername)
 769                 {
 770                 if (strcasecmp(servername,p->servername))
 771                         return p->extension_error;
 772                 if (ctx2)
 773                         {
 774                         BIO_printf(p->biodebug,"Switching server context.\n");
 775                         SSL_set_SSL_CTX(s,ctx2);
 776                         }
 777                 }
 778         return SSL_TLSEXT_ERR_OK;
 779 }
 780
 781 /* Structure passed to cert status callback */
 782
 783 typedef struct tlsextstatusctx_st {
 784    /* Default responder to use */
 785    char *host, *path, *port;
 786    int use_ssl;
 787    int timeout;
 788    BIO *err;
 789    int verbose;
 790 } tlsextstatusctx;
 791
 792 static tlsextstatusctx tlscstatp = {NULL, NULL, NULL, 0, -1, NULL, 0};
 793
 794 /* Certificate Status callback. This is called when a client includes a
 795  * certificate status request extension.
 796  *
 797  * This is a simplified version. It examines certificates each time and
 798  * makes one OCSP responder query for each request.
 799  *
 800  * A full version would store details such as the OCSP certificate IDs and
 801  * minimise the number of OCSP responses by caching them until they were
 802  * considered "expired".
 803  */
 804
 805 static int cert_status_cb(SSL *s, void *arg)
 806         {
 807         tlsextstatusctx *srctx = arg;
 808         BIO *err = srctx->err;
 809         char *host, *port, *path;
 810         int use_ssl;
 811         unsigned char *rspder = NULL;
 812         int rspderlen;
 813         STACK_OF(OPENSSL_STRING) *aia = NULL;
 814         X509 *x = NULL;
 815         X509_STORE_CTX inctx;
 816         X509_OBJECT obj;
 817         OCSP_REQUEST *req = NULL;
 818         OCSP_RESPONSE *resp = NULL;
 819         OCSP_CERTID *id = NULL;
 820         STACK_OF(X509_EXTENSION) *exts;
 821         int ret = SSL_TLSEXT_ERR_NOACK;
 822         int i;
 823 #if 0
 824 STACK_OF(OCSP_RESPID) *ids;
 825 SSL_get_tlsext_status_ids(s, &ids);
 826 BIO_printf(err, "cert_status: received %d ids\n", sk_OCSP_RESPID_num(ids));
 827 #endif
 828         if (srctx->verbose)
 829                 BIO_puts(err, "cert_status: callback called\n");
 830         /* Build up OCSP query from server certificate */
 831         x = SSL_get_certificate(s);
 832         aia = X509_get1_ocsp(x);
 833         if (aia)
 834                 {
 835                 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0),
 836                         &host, &port, &path, &use_ssl))
 837                         {
 838                         BIO_puts(err, "cert_status: can't parse AIA URL\n");
 839                         goto err;
 840                         }
 841                 if (srctx->verbose)
 842                         BIO_printf(err, "cert_status: AIA URL: %s\n",
 843                                         sk_OPENSSL_STRING_value(aia, 0));
 844                 }
 845         else
 846                 {
 847                 if (!srctx->host)
 848                         {
 849                         BIO_puts(srctx->err, "cert_status: no AIA and no default responder URL\n");
 850                         goto done;
 851                         }
 852                 host = srctx->host;
 853                 path = srctx->path;
 854                 port = srctx->port;
 855                 use_ssl = srctx->use_ssl;
 856                 }
 857
 858         if (!X509_STORE_CTX_init(&inctx,
 859                                 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)),
 860                                 NULL, NULL))
 861                 goto err;
 862         if (X509_STORE_get_by_subject(&inctx,X509_LU_X509,
 863                                 X509_get_issuer_name(x),&obj) <= 0)
 864                 {
 865                 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n");
 866                 X509_STORE_CTX_cleanup(&inctx);
 867                 goto done;
 868                 }
 869         req = OCSP_REQUEST_new();
 870         if (!req)
 871                 goto err;
 872         id = OCSP_cert_to_id(NULL, x, obj.data.x509);
 873         X509_free(obj.data.x509);
 874         X509_STORE_CTX_cleanup(&inctx);
 875         if (!id)
 876                 goto err;
 877         if (!OCSP_request_add0_id(req, id))
 878                 goto err;
 879         id = NULL;
 880         /* Add any extensions to the request */
 881         SSL_get_tlsext_status_exts(s, &exts);
 882         for (i = 0; i < sk_X509_EXTENSION_num(exts); i++)
 883                 {
 884                 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 885                 if (!OCSP_REQUEST_add_ext(req, ext, -1))
 886                         goto err;
 887                 }
 888         resp = process_responder(err, req, host, path, port, use_ssl, NULL,
 889                                         srctx->timeout);
 890         if (!resp)
 891                 {
 892                 BIO_puts(err, "cert_status: error querying responder\n");
 893                 goto done;
 894                 }
 895         rspderlen = i2d_OCSP_RESPONSE(resp, &rspder);
 896         if (rspderlen <= 0)
 897                 goto err;
 898         SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen);
 899         if (srctx->verbose)
 900                 {
 901                 BIO_puts(err, "cert_status: ocsp response sent:\n");
 902                 OCSP_RESPONSE_print(err, resp, 2);
 903                 }
 904         ret = SSL_TLSEXT_ERR_OK;
 905         done:
 906         if (ret != SSL_TLSEXT_ERR_OK)
 907                 ERR_print_errors(err);
 908         if (aia)
 909                 {
 910                 OPENSSL_free(host);
 911                 OPENSSL_free(path);
 912                 OPENSSL_free(port);
 913                 X509_email_free(aia);
 914                 }
 915         if (id)
 916                 OCSP_CERTID_free(id);
 917         if (req)
 918                 OCSP_REQUEST_free(req);
 919         if (resp)
 920                 OCSP_RESPONSE_free(resp);
 921         return ret;
 922         err:
 923         ret = SSL_TLSEXT_ERR_ALERT_FATAL;
 924         goto done;
 925         }
 926
 927 # ifndef OPENSSL_NO_NEXTPROTONEG
 928 /* This is the context that we pass to next_proto_cb */
 929 typedef struct tlsextnextprotoctx_st {
 930         unsigned char *data;
 931         unsigned int len;
 932 } tlsextnextprotoctx;
 933
 934 static int next_proto_cb(SSL *s, const unsigned char **data, unsigned int *len, void *arg)
 935         {
 936         tlsextnextprotoctx *next_proto = arg;
 937
 938         *data = next_proto->data;
 939         *len = next_proto->len;
 940
 941         return SSL_TLSEXT_ERR_OK;
 942         }
 943 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 944
 945 /* This the context that we pass to alpn_cb */
 946 typedef struct tlsextalpnctx_st {
 947         unsigned char *data;
 948         unsigned short len;
 949 } tlsextalpnctx;
 950
 951 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 952         {
 953         tlsextalpnctx *alpn_ctx = arg;
 954
 955         if (!s_quiet)
 956                 {
 957                 /* We can assume that |in| is syntactically valid. */
 958                 unsigned i;
 959                 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: ");
 960                 for (i = 0; i < inlen; )
 961                         {
 962                         if (i)
 963                                 BIO_write(bio_s_out, ", ", 2);
 964                         BIO_write(bio_s_out, &in[i + 1], in[i]);
 965                         i += in[i] + 1;
 966                         }
 967                 BIO_write(bio_s_out, "\n", 1);
 968                 }
 969
 970         if (SSL_select_next_proto((unsigned char**) out, outlen, alpn_ctx->data, alpn_ctx->len, in, inlen) !=
 971             OPENSSL_NPN_NEGOTIATED)
 972                 {
 973                 return SSL_TLSEXT_ERR_NOACK;
 974                 }
 975
 976         if (!s_quiet)
 977                 {
 978                 BIO_printf(bio_s_out, "ALPN protocols selected: ");
 979                 BIO_write(bio_s_out, *out, *outlen);
 980                 BIO_write(bio_s_out, "\n", 1);
 981                 }
 982
 983         return SSL_TLSEXT_ERR_OK;
 984         }
 985 #endif  /* ndef OPENSSL_NO_TLSEXT */
 986
 987 int MAIN(int, char **);
 988
 989 #ifndef OPENSSL_NO_JPAKE
 990 static char *jpake_secret = NULL;
 991 #define no_jpake !jpake_secret
 992 #else
 993 #define no_jpake 1
 994 #endif
 995 #ifndef OPENSSL_NO_SRP
 996         static srpsrvparm srp_callback_parm;
 997 #endif
 998 static char *srtp_profiles = NULL;
 999
1000 int MAIN(int argc, char *argv[])
1001         {
1002         X509_VERIFY_PARAM *vpm = NULL;
1003         int badarg = 0;
1004         short port=PORT;
1005         char *CApath=NULL,*CAfile=NULL;
1006         char *chCApath=NULL,*chCAfile=NULL;
1007         char *vfyCApath=NULL,*vfyCAfile=NULL;
1008         unsigned char *context = NULL;
1009         char *dhfile = NULL;
1010         int badop=0;
1011         int ret=1;
1012         int build_chain = 0;
1013         int no_tmp_rsa=0,no_dhe=0,no_ecdhe=0,nocert=0;
1014         int state=0;
1015         const SSL_METHOD *meth=NULL;
1016         int socket_type=SOCK_STREAM;
1017         ENGINE *e=NULL;
1018         char *inrand=NULL;
1019         int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM;
1020         char *passarg = NULL, *pass = NULL;
1021         char *dpassarg = NULL, *dpass = NULL;
1022         int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM;
1023         X509 *s_cert = NULL, *s_dcert = NULL;
1024         STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL;
1025         EVP_PKEY *s_key = NULL, *s_dkey = NULL;
1026         int no_cache = 0, ext_cache = 0;
1027         int rev = 0, naccept = -1;
1028 #ifndef OPENSSL_NO_TLSEXT
1029         EVP_PKEY *s_key2 = NULL;
1030         X509 *s_cert2 = NULL;
1031         tlsextctx tlsextcbp = {NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING};
1032 # ifndef OPENSSL_NO_NEXTPROTONEG
1033         const char *next_proto_neg_in = NULL;
1034         tlsextnextprotoctx next_proto = { NULL, 0};
1035 # endif
1036         const char *alpn_in = NULL;
1037         tlsextalpnctx alpn_ctx = { NULL, 0};
1038 #endif
1039 #ifndef OPENSSL_NO_PSK
1040         /* by default do not send a PSK identity hint */
1041         static char *psk_identity_hint=NULL;
1042 #endif
1043 #ifndef OPENSSL_NO_SRP
1044         char *srpuserseed = NULL;
1045         char *srp_verifier_file = NULL;
1046 #endif
1047         SSL_EXCERT *exc = NULL;
1048         SSL_CONF_CTX *cctx = NULL;
1049         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
1050
1051         char *crl_file = NULL;
1052         int crl_format = FORMAT_PEM;
1053         int crl_download = 0;
1054         STACK_OF(X509_CRL) *crls = NULL;
1055
1056         meth=SSLv23_server_method();
1057
1058         local_argc=argc;
1059         local_argv=argv;
1060
1061         apps_startup();
1062 #ifdef MONOLITH
1063         s_server_init();
1064 #endif
1065
1066         if (bio_err == NULL)
1067                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
1068
1069         if (!load_config(bio_err, NULL))
1070                 goto end;
1071
1072         cctx = SSL_CONF_CTX_new();
1073         if (!cctx)
1074                 goto end;
1075         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER);
1076         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
1077
1078         verify_depth=0;
1079 #ifdef FIONBIO
1080         s_nbio=0;
1081 #endif
1082         s_nbio_test=0;
1083
1084         argc--;
1085         argv++;
1086
1087         while (argc >= 1)
1088                 {
1089                 if      ((strcmp(*argv,"-port") == 0) ||
1090                          (strcmp(*argv,"-accept") == 0))
1091                         {
1092                         if (--argc < 1) goto bad;
1093                         if (!extract_port(*(++argv),&port))
1094                                 goto bad;
1095                         }
1096                 else if (strcmp(*argv,"-naccept") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         naccept = atol(*(++argv));
1100                         if (naccept <= 0)
1101                                 {
1102                                 BIO_printf(bio_err, "bad accept value %s\n",
1103                                                         *argv);
1104                                 goto bad;
1105                                 }
1106                         }
1107                 else if (strcmp(*argv,"-verify") == 0)
1108                         {
1109                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
1110                         if (--argc < 1) goto bad;
1111                         verify_depth=atoi(*(++argv));
1112                         if (!s_quiet)
1113                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
1114                         }
1115                 else if (strcmp(*argv,"-Verify") == 0)
1116                         {
1117                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
1118                                 SSL_VERIFY_CLIENT_ONCE;
1119                         if (--argc < 1) goto bad;
1120                         verify_depth=atoi(*(++argv));
1121                         if (!s_quiet)
1122                                 BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
1123                         }
1124                 else if (strcmp(*argv,"-context") == 0)
1125                         {
1126                         if (--argc < 1) goto bad;
1127                         context= (unsigned char *)*(++argv);
1128                         }
1129                 else if (strcmp(*argv,"-cert") == 0)
1130                         {
1131                         if (--argc < 1) goto bad;
1132                         s_cert_file= *(++argv);
1133                         }
1134                 else if (strcmp(*argv,"-CRL") == 0)
1135                         {
1136                         if (--argc < 1) goto bad;
1137                         crl_file= *(++argv);
1138                         }
1139                 else if (strcmp(*argv,"-crl_download") == 0)
1140                         crl_download = 1;
1141 #ifndef OPENSSL_NO_TLSEXT
1142                 else if (strcmp(*argv,"-serverinfo") == 0)
1143                         {
1144                         if (--argc < 1) goto bad;
1145                         s_serverinfo_file = *(++argv);
1146                         }
1147 #endif
1148                 else if (strcmp(*argv,"-certform") == 0)
1149                         {
1150                         if (--argc < 1) goto bad;
1151                         s_cert_format = str2fmt(*(++argv));
1152                         }
1153                 else if (strcmp(*argv,"-key") == 0)
1154                         {
1155                         if (--argc < 1) goto bad;
1156                         s_key_file= *(++argv);
1157                         }
1158                 else if (strcmp(*argv,"-keyform") == 0)
1159                         {
1160                         if (--argc < 1) goto bad;
1161                         s_key_format = str2fmt(*(++argv));
1162                         }
1163                 else if (strcmp(*argv,"-pass") == 0)
1164                         {
1165                         if (--argc < 1) goto bad;
1166                         passarg = *(++argv);
1167                         }
1168                 else if (strcmp(*argv,"-cert_chain") == 0)
1169                         {
1170                         if (--argc < 1) goto bad;
1171                         s_chain_file= *(++argv);
1172                         }
1173                 else if (strcmp(*argv,"-dhparam") == 0)
1174                         {
1175                         if (--argc < 1) goto bad;
1176                         dhfile = *(++argv);
1177                         }
1178                 else if (strcmp(*argv,"-dcertform") == 0)
1179                         {
1180                         if (--argc < 1) goto bad;
1181                         s_dcert_format = str2fmt(*(++argv));
1182                         }
1183                 else if (strcmp(*argv,"-dcert") == 0)
1184                         {
1185                         if (--argc < 1) goto bad;
1186                         s_dcert_file= *(++argv);
1187                         }
1188                 else if (strcmp(*argv,"-dkeyform") == 0)
1189                         {
1190                         if (--argc < 1) goto bad;
1191                         s_dkey_format = str2fmt(*(++argv));
1192                         }
1193                 else if (strcmp(*argv,"-dpass") == 0)
1194                         {
1195                         if (--argc < 1) goto bad;
1196                         dpassarg = *(++argv);
1197                         }
1198                 else if (strcmp(*argv,"-dkey") == 0)
1199                         {
1200                         if (--argc < 1) goto bad;
1201                         s_dkey_file= *(++argv);
1202                         }
1203                 else if (strcmp(*argv,"-dcert_chain") == 0)
1204                         {
1205                         if (--argc < 1) goto bad;
1206                         s_dchain_file= *(++argv);
1207                         }
1208                 else if (strcmp(*argv,"-nocert") == 0)
1209                         {
1210                         nocert=1;
1211                         }
1212                 else if (strcmp(*argv,"-CApath") == 0)
1213                         {
1214                         if (--argc < 1) goto bad;
1215                         CApath= *(++argv);
1216                         }
1217                 else if (strcmp(*argv,"-chainCApath") == 0)
1218                         {
1219                         if (--argc < 1) goto bad;
1220                         chCApath= *(++argv);
1221                         }
1222                 else if (strcmp(*argv,"-verifyCApath") == 0)
1223                         {
1224                         if (--argc < 1) goto bad;
1225                         vfyCApath= *(++argv);
1226                         }
1227                 else if (strcmp(*argv,"-no_cache") == 0)
1228                         no_cache = 1;
1229                 else if (strcmp(*argv,"-ext_cache") == 0)
1230                         ext_cache = 1;
1231                 else if (strcmp(*argv,"-CRLform") == 0)
1232                         {
1233                         if (--argc < 1) goto bad;
1234                         crl_format = str2fmt(*(++argv));
1235                         }
1236                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
1237                         {
1238                         if (badarg)
1239                                 goto bad;
1240                         continue;
1241                         }
1242                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
1243                         {
1244                         if (badarg)
1245                                 goto bad;
1246                         continue;
1247                         }
1248                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
1249                         {
1250                         if (badarg)
1251                                 goto bad;
1252                         continue;
1253                         }
1254                 else if (strcmp(*argv,"-verify_return_error") == 0)
1255                         verify_return_error = 1;
1256                 else if (strcmp(*argv,"-verify_quiet") == 0)
1257                         verify_quiet = 1;
1258                 else if (strcmp(*argv,"-build_chain") == 0)
1259                         build_chain = 1;
1260                 else if (strcmp(*argv,"-CAfile") == 0)
1261                         {
1262                         if (--argc < 1) goto bad;
1263                         CAfile= *(++argv);
1264                         }
1265                 else if (strcmp(*argv,"-chainCAfile") == 0)
1266                         {
1267                         if (--argc < 1) goto bad;
1268                         chCAfile= *(++argv);
1269                         }
1270                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1271                         {
1272                         if (--argc < 1) goto bad;
1273                         vfyCAfile= *(++argv);
1274                         }
1275 #ifdef FIONBIO
1276                 else if (strcmp(*argv,"-nbio") == 0)
1277                         { s_nbio=1; }
1278 #endif
1279                 else if (strcmp(*argv,"-nbio_test") == 0)
1280                         {
1281 #ifdef FIONBIO
1282                         s_nbio=1;
1283 #endif
1284                         s_nbio_test=1;
1285                         }
1286                 else if (strcmp(*argv,"-ign_eof") == 0)
1287                         s_ign_eof=1;
1288                 else if (strcmp(*argv,"-no_ign_eof") == 0)
1289                         s_ign_eof=0;
1290                 else if (strcmp(*argv,"-debug") == 0)
1291                         { s_debug=1; }
1292 #ifndef OPENSSL_NO_TLSEXT
1293                 else if (strcmp(*argv,"-tlsextdebug") == 0)
1294                         s_tlsextdebug=1;
1295                 else if (strcmp(*argv,"-status") == 0)
1296                         s_tlsextstatus=1;
1297                 else if (strcmp(*argv,"-status_verbose") == 0)
1298                         {
1299                         s_tlsextstatus=1;
1300                         tlscstatp.verbose = 1;
1301                         }
1302                 else if (!strcmp(*argv, "-status_timeout"))
1303                         {
1304                         s_tlsextstatus=1;
1305                         if (--argc < 1) goto bad;
1306                         tlscstatp.timeout = atoi(*(++argv));
1307                         }
1308                 else if (!strcmp(*argv, "-status_url"))
1309                         {
1310                         s_tlsextstatus=1;
1311                         if (--argc < 1) goto bad;
1312                         if (!OCSP_parse_url(*(++argv),
1313                                         &tlscstatp.host,
1314                                         &tlscstatp.port,
1315                                         &tlscstatp.path,
1316                                         &tlscstatp.use_ssl))
1317                                 {
1318                                 BIO_printf(bio_err, "Error parsing URL\n");
1319                                 goto bad;
1320                                 }
1321                         }
1322 #endif
1323                 else if (strcmp(*argv,"-msg") == 0)
1324                         { s_msg=1; }
1325                 else if (strcmp(*argv,"-msgfile") == 0)
1326                         {
1327                         if (--argc < 1) goto bad;
1328                         bio_s_msg = BIO_new_file(*(++argv), "w");
1329                         }
1330 #ifndef OPENSSL_NO_SSL_TRACE
1331                 else if (strcmp(*argv,"-trace") == 0)
1332                         { s_msg=2; }
1333 #endif
1334                 else if (strcmp(*argv,"-hack") == 0)
1335                         { hack=1; }
1336                 else if (strcmp(*argv,"-state") == 0)
1337                         { state=1; }
1338                 else if (strcmp(*argv,"-crlf") == 0)
1339                         { s_crlf=1; }
1340                 else if (strcmp(*argv,"-quiet") == 0)
1341                         { s_quiet=1; }
1342                 else if (strcmp(*argv,"-brief") == 0)
1343                         {
1344                         s_quiet=1;
1345                         s_brief=1;
1346                         verify_quiet=1;
1347                         }
1348                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
1349                         { no_tmp_rsa=1; }
1350                 else if (strcmp(*argv,"-no_dhe") == 0)
1351                         { no_dhe=1; }
1352                 else if (strcmp(*argv,"-no_ecdhe") == 0)
1353                         { no_ecdhe=1; }
1354                 else if (strcmp(*argv,"-no_resume_ephemeral") == 0)
1355                         { no_resume_ephemeral = 1; }
1356 #ifndef OPENSSL_NO_PSK
1357                 else if (strcmp(*argv,"-psk_hint") == 0)
1358                         {
1359                         if (--argc < 1) goto bad;
1360                         psk_identity_hint= *(++argv);
1361                         }
1362                 else if (strcmp(*argv,"-psk") == 0)
1363                         {
1364                         size_t i;
1365
1366                         if (--argc < 1) goto bad;
1367                         psk_key=*(++argv);
1368                         for (i=0; i<strlen(psk_key); i++)
1369                                 {
1370                                 if (isxdigit((unsigned char)psk_key[i]))
1371                                         continue;
1372                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
1373                                 goto bad;
1374                                 }
1375                         }
1376 #endif
1377 #ifndef OPENSSL_NO_SRP
1378                 else if (strcmp(*argv, "-srpvfile") == 0)
1379                         {
1380                         if (--argc < 1) goto bad;
1381                         srp_verifier_file = *(++argv);
1382                         meth = TLSv1_server_method();
1383                         }
1384                 else if (strcmp(*argv, "-srpuserseed") == 0)
1385                         {
1386                         if (--argc < 1) goto bad;
1387                         srpuserseed = *(++argv);
1388                         meth = TLSv1_server_method();
1389                         }
1390 #endif
1391                 else if (strcmp(*argv,"-rev") == 0)
1392                         { rev=1; }
1393                 else if (strcmp(*argv,"-www") == 0)
1394                         { www=1; }
1395                 else if (strcmp(*argv,"-WWW") == 0)
1396                         { www=2; }
1397                 else if (strcmp(*argv,"-HTTP") == 0)
1398                         { www=3; }
1399 #ifndef OPENSSL_NO_SSL2
1400                 else if (strcmp(*argv,"-ssl2") == 0)
1401                         { meth=SSLv2_server_method(); }
1402 #endif
1403 #ifndef OPENSSL_NO_SSL3
1404                 else if (strcmp(*argv,"-ssl3") == 0)
1405                         { meth=SSLv3_server_method(); }
1406 #endif
1407 #ifndef OPENSSL_NO_TLS1
1408                 else if (strcmp(*argv,"-tls1") == 0)
1409                         { meth=TLSv1_server_method(); }
1410                 else if (strcmp(*argv,"-tls1_1") == 0)
1411                         { meth=TLSv1_1_server_method(); }
1412                 else if (strcmp(*argv,"-tls1_2") == 0)
1413                         { meth=TLSv1_2_server_method(); }
1414 #endif
1415 #ifndef OPENSSL_NO_DTLS1
1416                 else if (strcmp(*argv,"-dtls") == 0)
1417                         {
1418                         meth=DTLS_server_method();
1419                         socket_type = SOCK_DGRAM;
1420                         }
1421                 else if (strcmp(*argv,"-dtls1") == 0)
1422                         {
1423                         meth=DTLSv1_server_method();
1424                         socket_type = SOCK_DGRAM;
1425                         }
1426                 else if (strcmp(*argv,"-dtls1_2") == 0)
1427                         {
1428                         meth=DTLSv1_2_server_method();
1429                         socket_type = SOCK_DGRAM;
1430                         }
1431                 else if (strcmp(*argv,"-timeout") == 0)
1432                         enable_timeouts = 1;
1433                 else if (strcmp(*argv,"-mtu") == 0)
1434                         {
1435                         if (--argc < 1) goto bad;
1436                         socket_mtu = atol(*(++argv));
1437                         }
1438                 else if (strcmp(*argv, "-chain") == 0)
1439                         cert_chain = 1;
1440 #endif
1441                 else if (strcmp(*argv, "-id_prefix") == 0)
1442                         {
1443                         if (--argc < 1) goto bad;
1444                         session_id_prefix = *(++argv);
1445                         }
1446 #ifndef OPENSSL_NO_ENGINE
1447                 else if (strcmp(*argv,"-engine") == 0)
1448                         {
1449                         if (--argc < 1) goto bad;
1450                         engine_id= *(++argv);
1451                         }
1452 #endif
1453                 else if (strcmp(*argv,"-rand") == 0)
1454                         {
1455                         if (--argc < 1) goto bad;
1456                         inrand= *(++argv);
1457                         }
1458 #ifndef OPENSSL_NO_TLSEXT
1459                 else if (strcmp(*argv,"-servername") == 0)
1460                         {
1461                         if (--argc < 1) goto bad;
1462                         tlsextcbp.servername= *(++argv);
1463                         }
1464                 else if (strcmp(*argv,"-servername_fatal") == 0)
1465                         { tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; }
1466                 else if (strcmp(*argv,"-cert2") == 0)
1467                         {
1468                         if (--argc < 1) goto bad;
1469                         s_cert_file2= *(++argv);
1470                         }
1471                 else if (strcmp(*argv,"-key2") == 0)
1472                         {
1473                         if (--argc < 1) goto bad;
1474                         s_key_file2= *(++argv);
1475                         }
1476 # ifndef OPENSSL_NO_NEXTPROTONEG
1477                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1478                         {
1479                         if (--argc < 1) goto bad;
1480                         next_proto_neg_in = *(++argv);
1481                         }
1482 # endif
1483                 else if (strcmp(*argv,"-alpn") == 0)
1484                         {
1485                         if (--argc < 1) goto bad;
1486                         alpn_in = *(++argv);
1487                         }
1488 #endif
1489 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1490                 else if (strcmp(*argv,"-jpake") == 0)
1491                         {
1492                         if (--argc < 1) goto bad;
1493                         jpake_secret = *(++argv);
1494                         }
1495 #endif
1496                 else if (strcmp(*argv,"-use_srtp") == 0)
1497                         {
1498                         if (--argc < 1) goto bad;
1499                         srtp_profiles = *(++argv);
1500                         }
1501                 else if (strcmp(*argv,"-keymatexport") == 0)
1502                         {
1503                         if (--argc < 1) goto bad;
1504                         keymatexportlabel= *(++argv);
1505                         }
1506                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1507                         {
1508                         if (--argc < 1) goto bad;
1509                         keymatexportlen=atoi(*(++argv));
1510                         if (keymatexportlen == 0) goto bad;
1511                         }
1512                 else
1513                         {
1514                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1515                         badop=1;
1516                         break;
1517                         }
1518                 argc--;
1519                 argv++;
1520                 }
1521         if (badop)
1522                 {
1523 bad:
1524                 sv_usage();
1525                 goto end;
1526                 }
1527 #ifndef OPENSSL_NO_DTLS1
1528         if (www && socket_type == SOCK_DGRAM)
1529                 {
1530                 BIO_printf(bio_err,
1531                                 "Can't use -HTTP, -www or -WWW with DTLS\n");
1532                 goto end;
1533                 }
1534 #endif
1535
1536 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1537         if (jpake_secret)
1538                 {
1539                 if (psk_key)
1540                         {
1541                         BIO_printf(bio_err,
1542                                    "Can't use JPAKE and PSK together\n");
1543                         goto end;
1544                         }
1545                 psk_identity = "JPAKE";
1546                 }
1547 #endif
1548
1549         SSL_load_error_strings();
1550         OpenSSL_add_ssl_algorithms();
1551
1552 #ifndef OPENSSL_NO_ENGINE
1553         e = setup_engine(bio_err, engine_id, 1);
1554 #endif
1555
1556         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1557                 {
1558                 BIO_printf(bio_err, "Error getting password\n");
1559                 goto end;
1560                 }
1561
1562
1563         if (s_key_file == NULL)
1564                 s_key_file = s_cert_file;
1565 #ifndef OPENSSL_NO_TLSEXT
1566         if (s_key_file2 == NULL)
1567                 s_key_file2 = s_cert_file2;
1568 #endif
1569
1570         if (!load_excert(&exc, bio_err))
1571                 goto end;
1572
1573         if (nocert == 0)
1574                 {
1575                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1576                        "server certificate private key file");
1577                 if (!s_key)
1578                         {
1579                         ERR_print_errors(bio_err);
1580                         goto end;
1581                         }
1582
1583                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1584                         NULL, e, "server certificate file");
1585
1586                 if (!s_cert)
1587                         {
1588                         ERR_print_errors(bio_err);
1589                         goto end;
1590                         }
1591                 if (s_chain_file)
1592                         {
1593                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1594                                         NULL, e, "server certificate chain");
1595                         if (!s_chain)
1596                                 goto end;
1597                         }
1598
1599 #ifndef OPENSSL_NO_TLSEXT
1600                 if (tlsextcbp.servername)
1601                         {
1602                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1603                                 "second server certificate private key file");
1604                         if (!s_key2)
1605                                 {
1606                                 ERR_print_errors(bio_err);
1607                                 goto end;
1608                                 }
1609
1610                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1611                                 NULL, e, "second server certificate file");
1612
1613                         if (!s_cert2)
1614                                 {
1615                                 ERR_print_errors(bio_err);
1616                                 goto end;
1617                                 }
1618                         }
1619 #endif /* OPENSSL_NO_TLSEXT */
1620                 }
1621
1622 #if !defined(OPENSSL_NO_TLSEXT)
1623 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1624         if (next_proto_neg_in)
1625                 {
1626                 unsigned short len;
1627                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1628                 if (next_proto.data == NULL)
1629                         goto end;
1630                 next_proto.len = len;
1631                 }
1632         else
1633                 {
1634                 next_proto.data = NULL;
1635                 }
1636 # endif
1637         alpn_ctx.data = NULL;
1638         if (alpn_in)
1639                 {
1640                 unsigned short len;
1641                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1642                 if (alpn_ctx.data == NULL)
1643                         goto end;
1644                 alpn_ctx.len = len;
1645                 }
1646 #endif
1647
1648         if (crl_file)
1649                 {
1650                 X509_CRL *crl;
1651                 crl = load_crl(crl_file, crl_format);
1652                 if (!crl)
1653                         {
1654                         BIO_puts(bio_err, "Error loading CRL\n");
1655                         ERR_print_errors(bio_err);
1656                         goto end;
1657                         }
1658                 crls = sk_X509_CRL_new_null();
1659                 if (!crls || !sk_X509_CRL_push(crls, crl))
1660                         {
1661                         BIO_puts(bio_err, "Error adding CRL\n");
1662                         ERR_print_errors(bio_err);
1663                         X509_CRL_free(crl);
1664                         goto end;
1665                         }
1666                 }
1667
1668
1669         if (s_dcert_file)
1670                 {
1671
1672                 if (s_dkey_file == NULL)
1673                         s_dkey_file = s_dcert_file;
1674
1675                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1676                                 0, dpass, e,
1677                                "second certificate private key file");
1678                 if (!s_dkey)
1679                         {
1680                         ERR_print_errors(bio_err);
1681                         goto end;
1682                         }
1683
1684                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1685                                 NULL, e, "second server certificate file");
1686
1687                 if (!s_dcert)
1688                         {
1689                         ERR_print_errors(bio_err);
1690                         goto end;
1691                         }
1692                 if (s_dchain_file)
1693                         {
1694                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1695                                 NULL, e, "second server certificate chain");
1696                         if (!s_dchain)
1697                                 goto end;
1698                         }
1699
1700                 }
1701
1702         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1703                 && !RAND_status())
1704                 {
1705                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1706                 }
1707         if (inrand != NULL)
1708                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1709                         app_RAND_load_files(inrand));
1710
1711         if (bio_s_out == NULL)
1712                 {
1713                 if (s_quiet && !s_debug)
1714                         {
1715                         bio_s_out=BIO_new(BIO_s_null());
1716                         if (s_msg && !bio_s_msg)
1717                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1718                         }
1719                 else
1720                         {
1721                         if (bio_s_out == NULL)
1722                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1723                         }
1724                 }
1725
1726 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1727         if (nocert)
1728 #endif
1729                 {
1730                 s_cert_file=NULL;
1731                 s_key_file=NULL;
1732                 s_dcert_file=NULL;
1733                 s_dkey_file=NULL;
1734 #ifndef OPENSSL_NO_TLSEXT
1735                 s_cert_file2=NULL;
1736                 s_key_file2=NULL;
1737 #endif
1738                 }
1739
1740         ctx=SSL_CTX_new(meth);
1741         if (ctx == NULL)
1742                 {
1743                 ERR_print_errors(bio_err);
1744                 goto end;
1745                 }
1746         if (session_id_prefix)
1747                 {
1748                 if(strlen(session_id_prefix) >= 32)
1749                         BIO_printf(bio_err,
1750 "warning: id_prefix is too long, only one new session will be possible\n");
1751                 else if(strlen(session_id_prefix) >= 16)
1752                         BIO_printf(bio_err,
1753 "warning: id_prefix is too long if you use SSLv2\n");
1754                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1755                         {
1756                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1757                         ERR_print_errors(bio_err);
1758                         goto end;
1759                         }
1760                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1761                 }
1762         SSL_CTX_set_quiet_shutdown(ctx,1);
1763         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1764         if (exc) ssl_ctx_set_excert(ctx, exc);
1765         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1766          * Setting read ahead solves this problem.
1767          */
1768         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1769
1770         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1771         if (no_cache)
1772                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1773         else if (ext_cache)
1774                 init_session_cache_ctx(ctx);
1775         else
1776                 SSL_CTX_sess_set_cache_size(ctx,128);
1777
1778         if (srtp_profiles != NULL)
1779                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1780
1781 #if 0
1782         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1783 #endif
1784
1785 #if 0
1786         if (s_cert_file == NULL)
1787                 {
1788                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1789                 goto end;
1790                 }
1791 #endif
1792
1793         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1794                 (!SSL_CTX_set_default_verify_paths(ctx)))
1795                 {
1796                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1797                 ERR_print_errors(bio_err);
1798                 /* goto end; */
1799                 }
1800         if (vpm)
1801                 SSL_CTX_set1_param(ctx, vpm);
1802
1803         ssl_ctx_add_crls(ctx, crls, 0);
1804
1805         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1806                 goto end;
1807
1808         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1809                                                 crls, crl_download))
1810                 {
1811                 BIO_printf(bio_err, "Error loading store locations\n");
1812                 ERR_print_errors(bio_err);
1813                 goto end;
1814                 }
1815
1816 #ifndef OPENSSL_NO_TLSEXT
1817         if (s_cert2)
1818                 {
1819                 ctx2=SSL_CTX_new(meth);
1820                 if (ctx2 == NULL)
1821                         {
1822                         ERR_print_errors(bio_err);
1823                         goto end;
1824                         }
1825                 }
1826
1827         if (ctx2)
1828                 {
1829                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1830
1831                 if (session_id_prefix)
1832                         {
1833                         if(strlen(session_id_prefix) >= 32)
1834                                 BIO_printf(bio_err,
1835                                         "warning: id_prefix is too long, only one new session will be possible\n");
1836                         else if(strlen(session_id_prefix) >= 16)
1837                                 BIO_printf(bio_err,
1838                                         "warning: id_prefix is too long if you use SSLv2\n");
1839                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1840                                 {
1841                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1842                                 ERR_print_errors(bio_err);
1843                                 goto end;
1844                                 }
1845                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1846                         }
1847                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1848                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1849                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1850                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1851                  * Setting read ahead solves this problem.
1852                  */
1853                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1854
1855                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1856
1857                 if (no_cache)
1858                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1859                 else if (ext_cache)
1860                         init_session_cache_ctx(ctx2);
1861                 else
1862                         SSL_CTX_sess_set_cache_size(ctx2,128);
1863
1864                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1865                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1866                         {
1867                         ERR_print_errors(bio_err);
1868                         }
1869                 if (vpm)
1870                         SSL_CTX_set1_param(ctx2, vpm);
1871
1872                 ssl_ctx_add_crls(ctx2, crls, 0);
1873
1874                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1875                         goto end;
1876
1877                 }
1878
1879 # ifndef OPENSSL_NO_NEXTPROTONEG
1880         if (next_proto.data)
1881                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1882 # endif
1883         if (alpn_ctx.data)
1884                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1885 #endif
1886
1887 #ifndef OPENSSL_NO_DH
1888         if (!no_dhe)
1889                 {
1890                 DH *dh=NULL;
1891
1892                 if (dhfile)
1893                         dh = load_dh_param(dhfile);
1894                 else if (s_cert_file)
1895                         dh = load_dh_param(s_cert_file);
1896
1897                 if (dh != NULL)
1898                         {
1899                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1900                         }
1901                 else
1902                         {
1903                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1904                         dh=get_dh512();
1905                         }
1906                 (void)BIO_flush(bio_s_out);
1907
1908                 SSL_CTX_set_tmp_dh(ctx,dh);
1909 #ifndef OPENSSL_NO_TLSEXT
1910                 if (ctx2)
1911                         {
1912                         if (!dhfile)
1913                                 {
1914                                 DH *dh2=load_dh_param(s_cert_file2);
1915                                 if (dh2 != NULL)
1916                                         {
1917                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1918                                         (void)BIO_flush(bio_s_out);
1919
1920                                         DH_free(dh);
1921                                         dh = dh2;
1922                                         }
1923                                 }
1924                         SSL_CTX_set_tmp_dh(ctx2,dh);
1925                         }
1926 #endif
1927                 DH_free(dh);
1928                 }
1929 #endif
1930
1931         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1932                 goto end;
1933 #ifndef OPENSSL_NO_TLSEXT
1934         if (s_serverinfo_file != NULL
1935             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1936                 {
1937                 ERR_print_errors(bio_err);
1938                 goto end;
1939                 }
1940 #endif
1941 #ifndef OPENSSL_NO_TLSEXT
1942         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1943                 goto end;
1944 #endif
1945         if (s_dcert != NULL)
1946                 {
1947                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1948                         goto end;
1949                 }
1950
1951 #ifndef OPENSSL_NO_RSA
1952 #if 1
1953         if (!no_tmp_rsa)
1954                 {
1955                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1956 #ifndef OPENSSL_NO_TLSEXT
1957                 if (ctx2)
1958                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1959 #endif
1960                 }
1961 #else
1962         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1963                 {
1964                 RSA *rsa;
1965
1966                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1967                 BIO_flush(bio_s_out);
1968
1969                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1970
1971                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1972                         {
1973                         ERR_print_errors(bio_err);
1974                         goto end;
1975                         }
1976 #ifndef OPENSSL_NO_TLSEXT
1977                         if (ctx2)
1978                                 {
1979                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1980                                         {
1981                                         ERR_print_errors(bio_err);
1982                                         goto end;
1983                                         }
1984                                 }
1985 #endif
1986                 RSA_free(rsa);
1987                 BIO_printf(bio_s_out,"\n");
1988                 }
1989 #endif
1990 #endif
1991
1992 #ifndef OPENSSL_NO_PSK
1993 #ifdef OPENSSL_NO_JPAKE
1994         if (psk_key != NULL)
1995 #else
1996         if (psk_key != NULL || jpake_secret)
1997 #endif
1998                 {
1999                 if (s_debug)
2000                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
2001                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
2002                 }
2003
2004         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
2005                 {
2006                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
2007                 ERR_print_errors(bio_err);
2008                 goto end;
2009                 }
2010 #endif
2011
2012         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2013         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2014                 sizeof s_server_session_id_context);
2015
2016         /* Set DTLS cookie generation and verification callbacks */
2017         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2018         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2019
2020 #ifndef OPENSSL_NO_TLSEXT
2021         if (ctx2)
2022                 {
2023                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2024                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2025                         sizeof s_server_session_id_context);
2026
2027                 tlsextcbp.biodebug = bio_s_out;
2028                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2029                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2030                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2031                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2032                 }
2033 #endif
2034
2035 #ifndef OPENSSL_NO_SRP
2036         if (srp_verifier_file != NULL)
2037                 {
2038                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2039                 srp_callback_parm.user = NULL;
2040                 srp_callback_parm.login = NULL;
2041                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2042                         {
2043                         BIO_printf(bio_err,
2044                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2045                                    srp_verifier_file, ret);
2046                                 goto end;
2047                         }
2048                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2049                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2050                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2051                 }
2052         else
2053 #endif
2054         if (CAfile != NULL)
2055                 {
2056                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2057 #ifndef OPENSSL_NO_TLSEXT
2058                 if (ctx2)
2059                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2060 #endif
2061                 }
2062
2063         BIO_printf(bio_s_out,"ACCEPT\n");
2064         (void)BIO_flush(bio_s_out);
2065         if (rev)
2066                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2067         else if (www)
2068                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2069         else
2070                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2071         print_stats(bio_s_out,ctx);
2072         ret=0;
2073 end:
2074         if (ctx != NULL) SSL_CTX_free(ctx);
2075         if (s_cert)
2076                 X509_free(s_cert);
2077         if (crls)
2078                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2079         if (s_dcert)
2080                 X509_free(s_dcert);
2081         if (s_key)
2082                 EVP_PKEY_free(s_key);
2083         if (s_dkey)
2084                 EVP_PKEY_free(s_dkey);
2085         if (s_chain)
2086                 sk_X509_pop_free(s_chain, X509_free);
2087         if (s_dchain)
2088                 sk_X509_pop_free(s_dchain, X509_free);
2089         if (pass)
2090                 OPENSSL_free(pass);
2091         if (dpass)
2092                 OPENSSL_free(dpass);
2093         if (vpm)
2094                 X509_VERIFY_PARAM_free(vpm);
2095         free_sessions();
2096 #ifndef OPENSSL_NO_TLSEXT
2097         if (tlscstatp.host)
2098                 OPENSSL_free(tlscstatp.host);
2099         if (tlscstatp.port)
2100                 OPENSSL_free(tlscstatp.port);
2101         if (tlscstatp.path)
2102                 OPENSSL_free(tlscstatp.path);
2103         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2104         if (s_cert2)
2105                 X509_free(s_cert2);
2106         if (s_key2)
2107                 EVP_PKEY_free(s_key2);
2108         if (serverinfo_in != NULL)
2109                 BIO_free(serverinfo_in);
2110 # ifndef OPENSSL_NO_NEXTPROTONEG
2111         if (next_proto.data)
2112                 OPENSSL_free(next_proto.data);
2113 # endif
2114         if (alpn_ctx.data)
2115                 OPENSSL_free(alpn_ctx.data);
2116 #endif
2117         ssl_excert_free(exc);
2118         if (ssl_args)
2119                 sk_OPENSSL_STRING_free(ssl_args);
2120         if (cctx)
2121                 SSL_CONF_CTX_free(cctx);
2122 #ifndef OPENSSL_NO_JPAKE
2123         if (jpake_secret && psk_key)
2124                 OPENSSL_free(psk_key);
2125 #endif
2126         if (bio_s_out != NULL)
2127                 {
2128                 BIO_free(bio_s_out);
2129                 bio_s_out=NULL;
2130                 }
2131         if (bio_s_msg != NULL)
2132                 {
2133                 BIO_free(bio_s_msg);
2134                 bio_s_msg = NULL;
2135                 }
2136         apps_shutdown();
2137         OPENSSL_EXIT(ret);
2138         }
2139
2140 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2141         {
2142         BIO_printf(bio,"%4ld items in the session cache\n",
2143                 SSL_CTX_sess_number(ssl_ctx));
2144         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2145                 SSL_CTX_sess_connect(ssl_ctx));
2146         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2147                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2148         BIO_printf(bio,"%4ld client connects that finished\n",
2149                 SSL_CTX_sess_connect_good(ssl_ctx));
2150         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2151                 SSL_CTX_sess_accept(ssl_ctx));
2152         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2153                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2154         BIO_printf(bio,"%4ld server accepts that finished\n",
2155                 SSL_CTX_sess_accept_good(ssl_ctx));
2156         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2157         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2158         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2159         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2160         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2161                 SSL_CTX_sess_cache_full(ssl_ctx),
2162                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2163         }
2164
2165 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2166         {
2167         char *buf=NULL;
2168         fd_set readfds;
2169         int ret=1,width;
2170         int k,i;
2171         unsigned long l;
2172         SSL *con=NULL;
2173         BIO *sbio;
2174 #ifndef OPENSSL_NO_KRB5
2175         KSSL_CTX *kctx;
2176 #endif
2177         struct timeval timeout;
2178 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2179         struct timeval tv;
2180 #else
2181         struct timeval *timeoutp;
2182 #endif
2183
2184         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2185                 {
2186                 BIO_printf(bio_err,"out of memory\n");
2187                 goto err;
2188                 }
2189 #ifdef FIONBIO
2190         if (s_nbio)
2191                 {
2192                 unsigned long sl=1;
2193
2194                 if (!s_quiet)
2195                         BIO_printf(bio_err,"turning on non blocking io\n");
2196                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2197                         ERR_print_errors(bio_err);
2198                 }
2199 #endif
2200
2201         if (con == NULL) {
2202                 con=SSL_new(ctx);
2203 #ifndef OPENSSL_NO_TLSEXT
2204         if (s_tlsextdebug)
2205                 {
2206                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2207                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2208                 }
2209         if (s_tlsextstatus)
2210                 {
2211                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2212                 tlscstatp.err = bio_err;
2213                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2214                 }
2215 #endif
2216 #ifndef OPENSSL_NO_KRB5
2217                 if ((kctx = kssl_ctx_new()) != NULL)
2218                         {
2219                         SSL_set0_kssl_ctx(con, kctx);
2220                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2221                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2222                         }
2223 #endif  /* OPENSSL_NO_KRB5 */
2224                 if(context)
2225                       SSL_set_session_id_context(con, context,
2226                                                  strlen((char *)context));
2227         }
2228         SSL_clear(con);
2229 #if 0
2230 #ifdef TLSEXT_TYPE_opaque_prf_input
2231         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2232 #endif
2233 #endif
2234
2235         if (stype == SOCK_DGRAM)
2236                 {
2237
2238                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2239
2240                 if (enable_timeouts)
2241                         {
2242                         timeout.tv_sec = 0;
2243                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2244                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2245
2246                         timeout.tv_sec = 0;
2247                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2248                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2249                         }
2250
2251                 if (socket_mtu > 28)
2252                         {
2253                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2254                         SSL_set_mtu(con, socket_mtu - 28);
2255                         }
2256                 else
2257                         /* want to do MTU discovery */
2258                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2259
2260         /* turn on cookie exchange */
2261         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2262                 }
2263         else
2264                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2265
2266         if (s_nbio_test)
2267                 {
2268                 BIO *test;
2269
2270                 test=BIO_new(BIO_f_nbio_test());
2271                 sbio=BIO_push(test,sbio);
2272                 }
2273 #ifndef OPENSSL_NO_JPAKE
2274         if(jpake_secret)
2275                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2276 #endif
2277
2278         SSL_set_bio(con,sbio,sbio);
2279         SSL_set_accept_state(con);
2280         /* SSL_set_fd(con,s); */
2281
2282         if (s_debug)
2283                 {
2284                 SSL_set_debug(con, 1);
2285                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2286                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2287                 }
2288         if (s_msg)
2289                 {
2290 #ifndef OPENSSL_NO_SSL_TRACE
2291                 if (s_msg == 2)
2292                         SSL_set_msg_callback(con, SSL_trace);
2293                 else
2294 #endif
2295                         SSL_set_msg_callback(con, msg_cb);
2296                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2297                 }
2298 #ifndef OPENSSL_NO_TLSEXT
2299         if (s_tlsextdebug)
2300                 {
2301                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2302                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2303                 }
2304 #endif
2305
2306         width=s+1;
2307         for (;;)
2308                 {
2309                 int read_from_terminal;
2310                 int read_from_sslcon;
2311
2312                 read_from_terminal = 0;
2313                 read_from_sslcon = SSL_pending(con);
2314
2315                 if (!read_from_sslcon)
2316                         {
2317                         FD_ZERO(&readfds);
2318 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2319                         openssl_fdset(fileno(stdin),&readfds);
2320 #endif
2321                         openssl_fdset(s,&readfds);
2322                         /* Note: under VMS with SOCKETSHR the second parameter is
2323                          * currently of type (int *) whereas under other systems
2324                          * it is (void *) if you don't have a cast it will choke
2325                          * the compiler: if you do have a cast then you can either
2326                          * go for (int *) or (void *).
2327                          */
2328 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2329                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2330                          * on sockets. As a workaround we timeout the select every
2331                          * second and check for any keypress. In a proper Windows
2332                          * application we wouldn't do this because it is inefficient.
2333                          */
2334                         tv.tv_sec = 1;
2335                         tv.tv_usec = 0;
2336                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2337                         if((i < 0) || (!i && !_kbhit() ) )continue;
2338                         if(_kbhit())
2339                                 read_from_terminal = 1;
2340 #elif defined(OPENSSL_SYS_BEOS_R5)
2341                         /* Under BeOS-R5 the situation is similar to DOS */
2342                         tv.tv_sec = 1;
2343                         tv.tv_usec = 0;
2344                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2345                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2346                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2347                                 continue;
2348                         if (read(fileno(stdin), buf, 0) >= 0)
2349                                 read_from_terminal = 1;
2350                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2351 #else
2352                         if ((SSL_version(con) == DTLS1_VERSION) &&
2353                                 DTLSv1_get_timeout(con, &timeout))
2354                                 timeoutp = &timeout;
2355                         else
2356                                 timeoutp = NULL;
2357
2358                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2359
2360                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2361                                 {
2362                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2363                                 }
2364
2365                         if (i <= 0) continue;
2366                         if (FD_ISSET(fileno(stdin),&readfds))
2367                                 read_from_terminal = 1;
2368 #endif
2369                         if (FD_ISSET(s,&readfds))
2370                                 read_from_sslcon = 1;
2371                         }
2372                 if (read_from_terminal)
2373                         {
2374                         if (s_crlf)
2375                                 {
2376                                 int j, lf_num;
2377
2378                                 i=raw_read_stdin(buf, bufsize/2);
2379                                 lf_num = 0;
2380                                 /* both loops are skipped when i <= 0 */
2381                                 for (j = 0; j < i; j++)
2382                                         if (buf[j] == '\n')
2383                                                 lf_num++;
2384                                 for (j = i-1; j >= 0; j--)
2385                                         {
2386                                         buf[j+lf_num] = buf[j];
2387                                         if (buf[j] == '\n')
2388                                                 {
2389                                                 lf_num--;
2390                                                 i++;
2391                                                 buf[j+lf_num] = '\r';
2392                                                 }
2393                                         }
2394                                 assert(lf_num == 0);
2395                                 }
2396                         else
2397                                 i=raw_read_stdin(buf,bufsize);
2398                         if (!s_quiet && !s_brief)
2399                                 {
2400                                 if ((i <= 0) || (buf[0] == 'Q'))
2401                                         {
2402                                         BIO_printf(bio_s_out,"DONE\n");
2403                                         SHUTDOWN(s);
2404                                         close_accept_socket();
2405                                         ret= -11;
2406                                         goto err;
2407                                         }
2408                                 if ((i <= 0) || (buf[0] == 'q'))
2409                                         {
2410                                         BIO_printf(bio_s_out,"DONE\n");
2411                                         if (SSL_version(con) != DTLS1_VERSION)
2412                         SHUTDOWN(s);
2413         /*                              close_accept_socket();
2414                                         ret= -11;*/
2415                                         goto err;
2416                                         }
2417
2418 #ifndef OPENSSL_NO_HEARTBEATS
2419                                 if ((buf[0] == 'B') &&
2420                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2421                                         {
2422                                         BIO_printf(bio_err,"HEARTBEATING\n");
2423                                         SSL_heartbeat(con);
2424                                         i=0;
2425                                         continue;
2426                                         }
2427 #endif
2428                                 if ((buf[0] == 'r') &&
2429                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2430                                         {
2431                                         SSL_renegotiate(con);
2432                                         i=SSL_do_handshake(con);
2433                                         printf("SSL_do_handshake -> %d\n",i);
2434                                         i=0; /*13; */
2435                                         continue;
2436                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2437                                         }
2438                                 if ((buf[0] == 'R') &&
2439                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2440                                         {
2441                                         SSL_set_verify(con,
2442                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2443                                         SSL_renegotiate(con);
2444                                         i=SSL_do_handshake(con);
2445                                         printf("SSL_do_handshake -> %d\n",i);
2446                                         i=0; /* 13; */
2447                                         continue;
2448                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2449                                         }
2450                                 if (buf[0] == 'P')
2451                                         {
2452                                         static const char *str="Lets print some clear text\n";
2453                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2454                                         }
2455                                 if (buf[0] == 'S')
2456                                         {
2457                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2458                                         }
2459                                 }
2460 #ifdef CHARSET_EBCDIC
2461                         ebcdic2ascii(buf,buf,i);
2462 #endif
2463                         l=k=0;
2464                         for (;;)
2465                                 {
2466                                 /* should do a select for the write */
2467 #ifdef RENEG
2468 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2469 #endif
2470                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2471 #ifndef OPENSSL_NO_SRP
2472                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2473                                         {
2474                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2475                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2476                                         if (srp_callback_parm.user)
2477                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2478                                         else
2479                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2480                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2481                                         }
2482 #endif
2483                                 switch (SSL_get_error(con,k))
2484                                         {
2485                                 case SSL_ERROR_NONE:
2486                                         break;
2487                                 case SSL_ERROR_WANT_WRITE:
2488                                 case SSL_ERROR_WANT_READ:
2489                                 case SSL_ERROR_WANT_X509_LOOKUP:
2490                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2491                                         break;
2492                                 case SSL_ERROR_SYSCALL:
2493                                 case SSL_ERROR_SSL:
2494                                         BIO_printf(bio_s_out,"ERROR\n");
2495                                         ERR_print_errors(bio_err);
2496                                         ret=1;
2497                                         goto err;
2498                                         /* break; */
2499                                 case SSL_ERROR_ZERO_RETURN:
2500                                         BIO_printf(bio_s_out,"DONE\n");
2501                                         ret=1;
2502                                         goto err;
2503                                         }
2504                                 l+=k;
2505                                 i-=k;
2506                                 if (i <= 0) break;
2507                                 }
2508                         }
2509                 if (read_from_sslcon)
2510                         {
2511                         if (!SSL_is_init_finished(con))
2512                                 {
2513                                 i=init_ssl_connection(con);
2514
2515                                 if (i < 0)
2516                                         {
2517                                         ret=0;
2518                                         goto err;
2519                                         }
2520                                 else if (i == 0)
2521                                         {
2522                                         ret=1;
2523                                         goto err;
2524                                         }
2525                                 }
2526                         else
2527                                 {
2528 again:
2529                                 i=SSL_read(con,(char *)buf,bufsize);
2530 #ifndef OPENSSL_NO_SRP
2531                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2532                                         {
2533                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2534                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2535                                         if (srp_callback_parm.user)
2536                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2537                                         else
2538                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2539                                         i=SSL_read(con,(char *)buf,bufsize);
2540                                         }
2541 #endif
2542                                 switch (SSL_get_error(con,i))
2543                                         {
2544                                 case SSL_ERROR_NONE:
2545 #ifdef CHARSET_EBCDIC
2546                                         ascii2ebcdic(buf,buf,i);
2547 #endif
2548                                         raw_write_stdout(buf,
2549                                                 (unsigned int)i);
2550                                         if (SSL_pending(con)) goto again;
2551                                         break;
2552                                 case SSL_ERROR_WANT_WRITE:
2553                                 case SSL_ERROR_WANT_READ:
2554                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2555                                         break;
2556                                 case SSL_ERROR_SYSCALL:
2557                                 case SSL_ERROR_SSL:
2558                                         BIO_printf(bio_s_out,"ERROR\n");
2559                                         ERR_print_errors(bio_err);
2560                                         ret=1;
2561                                         goto err;
2562                                 case SSL_ERROR_ZERO_RETURN:
2563                                         BIO_printf(bio_s_out,"DONE\n");
2564                                         ret=1;
2565                                         goto err;
2566                                         }
2567                                 }
2568                         }
2569                 }
2570 err:
2571         if (con != NULL)
2572                 {
2573                 BIO_printf(bio_s_out,"shutting down SSL\n");
2574 #if 1
2575                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2576 #else
2577                 SSL_shutdown(con);
2578 #endif
2579                 SSL_free(con);
2580                 }
2581         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2582         if (buf != NULL)
2583                 {
2584                 OPENSSL_cleanse(buf,bufsize);
2585                 OPENSSL_free(buf);
2586                 }
2587         if (ret >= 0)
2588                 BIO_printf(bio_s_out,"ACCEPT\n");
2589         return(ret);
2590         }
2591
2592 static void close_accept_socket(void)
2593         {
2594         BIO_printf(bio_err,"shutdown accept socket\n");
2595         if (accept_socket >= 0)
2596                 {
2597                 SHUTDOWN2(accept_socket);
2598                 }
2599         }
2600
2601 static int init_ssl_connection(SSL *con)
2602         {
2603         int i;
2604         const char *str;
2605         X509 *peer;
2606         long verify_error;
2607         MS_STATIC char buf[BUFSIZ];
2608 #ifndef OPENSSL_NO_KRB5
2609         char *client_princ;
2610 #endif
2611 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2612         const unsigned char *next_proto_neg;
2613         unsigned next_proto_neg_len;
2614 #endif
2615         unsigned char *exportedkeymat;
2616
2617
2618         i=SSL_accept(con);
2619 #ifdef CERT_CB_TEST_RETRY
2620         {
2621         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2622                 {
2623                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2624                 i=SSL_accept(con);
2625                 }
2626         }
2627 #endif
2628 #ifndef OPENSSL_NO_SRP
2629         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2630                 {
2631                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2632                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2633                         if (srp_callback_parm.user)
2634                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2635                         else
2636                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2637                         i=SSL_accept(con);
2638                 }
2639 #endif
2640
2641         if (i <= 0)
2642                 {
2643                 if (BIO_sock_should_retry(i))
2644                         {
2645                         BIO_printf(bio_s_out,"DELAY\n");
2646                         return(1);
2647                         }
2648
2649                 BIO_printf(bio_err,"ERROR\n");
2650                 verify_error=SSL_get_verify_result(con);
2651                 if (verify_error != X509_V_OK)
2652                         {
2653                         BIO_printf(bio_err,"verify error:%s\n",
2654                                 X509_verify_cert_error_string(verify_error));
2655                         }
2656                 /* Always print any error messages */
2657                 ERR_print_errors(bio_err);
2658                 return(0);
2659                 }
2660
2661         if (s_brief)
2662                 print_ssl_summary(bio_err, con);
2663
2664         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2665
2666         peer=SSL_get_peer_certificate(con);
2667         if (peer != NULL)
2668                 {
2669                 BIO_printf(bio_s_out,"Client certificate\n");
2670                 PEM_write_bio_X509(bio_s_out,peer);
2671                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2672                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2673                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2674                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2675                 X509_free(peer);
2676                 }
2677
2678         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2679                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2680         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2681         ssl_print_sigalgs(bio_s_out, con);
2682 #ifndef OPENSSL_NO_EC
2683         ssl_print_point_formats(bio_s_out, con);
2684         ssl_print_curves(bio_s_out, con, 0);
2685 #endif
2686         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2687
2688 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2689         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2690         if (next_proto_neg)
2691                 {
2692                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2693                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2694                 BIO_printf(bio_s_out, "\n");
2695                 }
2696 #endif
2697         {
2698         SRTP_PROTECTION_PROFILE *srtp_profile
2699           = SSL_get_selected_srtp_profile(con);
2700
2701         if(srtp_profile)
2702                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2703                            srtp_profile->name);
2704         }
2705         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2706         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2707                 TLS1_FLAGS_TLS_PADDING_BUG)
2708                 BIO_printf(bio_s_out,
2709                            "Peer has incorrect TLSv1 block padding\n");
2710 #ifndef OPENSSL_NO_KRB5
2711         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2712         if (client_princ != NULL)
2713                 {
2714                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2715                                                                 client_princ);
2716                 }
2717 #endif /* OPENSSL_NO_KRB5 */
2718         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2719                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2720         if (keymatexportlabel != NULL)
2721                 {
2722                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2723                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2724                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2725                            keymatexportlen);
2726                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2727                 if (exportedkeymat != NULL)
2728                         {
2729                         if (!SSL_export_keying_material(con, exportedkeymat,
2730                                                         keymatexportlen,
2731                                                         keymatexportlabel,
2732                                                         strlen(keymatexportlabel),
2733                                                         NULL, 0, 0))
2734                                 {
2735                                 BIO_printf(bio_s_out, "    Error\n");
2736                                 }
2737                         else
2738                                 {
2739                                 BIO_printf(bio_s_out, "    Keying material: ");
2740                                 for (i=0; i<keymatexportlen; i++)
2741                                         BIO_printf(bio_s_out, "%02X",
2742                                                    exportedkeymat[i]);
2743                                 BIO_printf(bio_s_out, "\n");
2744                                 }
2745                         OPENSSL_free(exportedkeymat);
2746                         }
2747                 }
2748
2749         return(1);
2750         }
2751
2752 #ifndef OPENSSL_NO_DH
2753 static DH *load_dh_param(const char *dhfile)
2754         {
2755         DH *ret=NULL;
2756         BIO *bio;
2757
2758         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2759                 goto err;
2760         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2761 err:
2762         if (bio != NULL) BIO_free(bio);
2763         return(ret);
2764         }
2765 #endif
2766 #ifndef OPENSSL_NO_KRB5
2767         char *client_princ;
2768 #endif
2769
2770 #if 0
2771 static int load_CA(SSL_CTX *ctx, char *file)
2772         {
2773         FILE *in;
2774         X509 *x=NULL;
2775
2776         if ((in=fopen(file,"r")) == NULL)
2777                 return(0);
2778
2779         for (;;)
2780                 {
2781                 if (PEM_read_X509(in,&x,NULL) == NULL)
2782                         break;
2783                 SSL_CTX_add_client_CA(ctx,x);
2784                 }
2785         if (x != NULL) X509_free(x);
2786         fclose(in);
2787         return(1);
2788         }
2789 #endif
2790
2791 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2792         {
2793         char *buf=NULL;
2794         int ret=1;
2795         int i,j,k,dot;
2796         SSL *con;
2797         const SSL_CIPHER *c;
2798         BIO *io,*ssl_bio,*sbio;
2799 #ifndef OPENSSL_NO_KRB5
2800         KSSL_CTX *kctx;
2801 #endif
2802
2803         buf=OPENSSL_malloc(bufsize);
2804         if (buf == NULL) return(0);
2805         io=BIO_new(BIO_f_buffer());
2806         ssl_bio=BIO_new(BIO_f_ssl());
2807         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2808
2809 #ifdef FIONBIO
2810         if (s_nbio)
2811                 {
2812                 unsigned long sl=1;
2813
2814                 if (!s_quiet)
2815                         BIO_printf(bio_err,"turning on non blocking io\n");
2816                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2817                         ERR_print_errors(bio_err);
2818                 }
2819 #endif
2820
2821         /* lets make the output buffer a reasonable size */
2822         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2823
2824         if ((con=SSL_new(ctx)) == NULL) goto err;
2825 #ifndef OPENSSL_NO_TLSEXT
2826                 if (s_tlsextdebug)
2827                         {
2828                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2829                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2830                         }
2831 #endif
2832 #ifndef OPENSSL_NO_KRB5
2833         if ((kctx = kssl_ctx_new()) != NULL)
2834                 {
2835                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2836                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2837                 }
2838 #endif  /* OPENSSL_NO_KRB5 */
2839         if(context) SSL_set_session_id_context(con, context,
2840                                                strlen((char *)context));
2841
2842         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2843         if (s_nbio_test)
2844                 {
2845                 BIO *test;
2846
2847                 test=BIO_new(BIO_f_nbio_test());
2848                 sbio=BIO_push(test,sbio);
2849                 }
2850         SSL_set_bio(con,sbio,sbio);
2851         SSL_set_accept_state(con);
2852
2853         /* SSL_set_fd(con,s); */
2854         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2855         BIO_push(io,ssl_bio);
2856 #ifdef CHARSET_EBCDIC
2857         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2858 #endif
2859
2860         if (s_debug)
2861                 {
2862                 SSL_set_debug(con, 1);
2863                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2864                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2865                 }
2866         if (s_msg)
2867                 {
2868 #ifndef OPENSSL_NO_SSL_TRACE
2869                 if (s_msg == 2)
2870                         SSL_set_msg_callback(con, SSL_trace);
2871                 else
2872 #endif
2873                         SSL_set_msg_callback(con, msg_cb);
2874                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2875                 }
2876
2877         for (;;)
2878                 {
2879                 if (hack)
2880                         {
2881                         i=SSL_accept(con);
2882 #ifndef OPENSSL_NO_SRP
2883                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2884                 {
2885                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2886                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2887                         if (srp_callback_parm.user)
2888                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2889                         else
2890                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2891                         i=SSL_accept(con);
2892                 }
2893 #endif
2894                         switch (SSL_get_error(con,i))
2895                                 {
2896                         case SSL_ERROR_NONE:
2897                                 break;
2898                         case SSL_ERROR_WANT_WRITE:
2899                         case SSL_ERROR_WANT_READ:
2900                         case SSL_ERROR_WANT_X509_LOOKUP:
2901                                 continue;
2902                         case SSL_ERROR_SYSCALL:
2903                         case SSL_ERROR_SSL:
2904                         case SSL_ERROR_ZERO_RETURN:
2905                                 ret=1;
2906                                 goto err;
2907                                 /* break; */
2908                                 }
2909
2910                         SSL_renegotiate(con);
2911                         SSL_write(con,NULL,0);
2912                         }
2913
2914                 i=BIO_gets(io,buf,bufsize-1);
2915                 if (i < 0) /* error */
2916                         {
2917                         if (!BIO_should_retry(io))
2918                                 {
2919                                 if (!s_quiet)
2920                                         ERR_print_errors(bio_err);
2921                                 goto err;
2922                                 }
2923                         else
2924                                 {
2925                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2926 #if defined(OPENSSL_SYS_NETWARE)
2927             delay(1000);
2928 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2929                                 sleep(1);
2930 #endif
2931                                 continue;
2932                                 }
2933                         }
2934                 else if (i == 0) /* end of input */
2935                         {
2936                         ret=1;
2937                         goto end;
2938                         }
2939
2940                 /* else we have data */
2941                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2942                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2943                         {
2944                         char *p;
2945                         X509 *peer;
2946                         STACK_OF(SSL_CIPHER) *sk;
2947                         static const char *space="                          ";
2948
2949                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2950                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2951                         BIO_puts(io,"<pre>\n");
2952 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2953                         BIO_puts(io,"\n");
2954                         for (i=0; i<local_argc; i++)
2955                                 {
2956                                 BIO_puts(io,local_argv[i]);
2957                                 BIO_write(io," ",1);
2958                                 }
2959                         BIO_puts(io,"\n");
2960
2961                         BIO_printf(io,
2962                                 "Secure Renegotiation IS%s supported\n",
2963                                 SSL_get_secure_renegotiation_support(con) ?
2964                                                         "" : " NOT");
2965
2966                         /* The following is evil and should not really
2967                          * be done */
2968                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2969                         sk=SSL_get_ciphers(con);
2970                         j=sk_SSL_CIPHER_num(sk);
2971                         for (i=0; i<j; i++)
2972                                 {
2973                                 c=sk_SSL_CIPHER_value(sk,i);
2974                                 BIO_printf(io,"%-11s:%-25s",
2975                                         SSL_CIPHER_get_version(c),
2976                                         SSL_CIPHER_get_name(c));
2977                                 if ((((i+1)%2) == 0) && (i+1 != j))
2978                                         BIO_puts(io,"\n");
2979                                 }
2980                         BIO_puts(io,"\n");
2981                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2982                         if (p != NULL)
2983                                 {
2984                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2985                                 j=i=0;
2986                                 while (*p)
2987                                         {
2988                                         if (*p == ':')
2989                                                 {
2990                                                 BIO_write(io,space,26-j);
2991                                                 i++;
2992                                                 j=0;
2993                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2994                                                 }
2995                                         else
2996                                                 {
2997                                                 BIO_write(io,p,1);
2998                                                 j++;
2999                                                 }
3000                                         p++;
3001                                         }
3002                                 BIO_puts(io,"\n");
3003                                 }
3004                         ssl_print_sigalgs(io, con);
3005 #ifndef OPENSSL_NO_EC
3006                         ssl_print_curves(io, con, 0);
3007 #endif
3008                         BIO_printf(io,(SSL_cache_hit(con)
3009                                 ?"---\nReused, "
3010                                 :"---\nNew, "));
3011                         c=SSL_get_current_cipher(con);
3012                         BIO_printf(io,"%s, Cipher is %s\n",
3013                                 SSL_CIPHER_get_version(c),
3014                                 SSL_CIPHER_get_name(c));
3015                         SSL_SESSION_print(io,SSL_get_session(con));
3016                         BIO_printf(io,"---\n");
3017                         print_stats(io,SSL_get_SSL_CTX(con));
3018                         BIO_printf(io,"---\n");
3019                         peer=SSL_get_peer_certificate(con);
3020                         if (peer != NULL)
3021                                 {
3022                                 BIO_printf(io,"Client certificate\n");
3023                                 X509_print(io,peer);
3024                                 PEM_write_bio_X509(io,peer);
3025                                 }
3026                         else
3027                                 BIO_puts(io,"no client certificate available\n");
3028                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3029                         break;
3030                         }
3031                 else if ((www == 2 || www == 3)
3032                          && (strncmp("GET /",buf,5) == 0))
3033                         {
3034                         BIO *file;
3035                         char *p,*e;
3036                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3037
3038                         /* skip the '/' */
3039                         p= &(buf[5]);
3040
3041                         dot = 1;
3042                         for (e=p; *e != '\0'; e++)
3043                                 {
3044                                 if (e[0] == ' ')
3045                                         break;
3046
3047                                 switch (dot)
3048                                         {
3049                                 case 1:
3050                                         dot = (e[0] == '.') ? 2 : 0;
3051                                         break;
3052                                 case 2:
3053                                         dot = (e[0] == '.') ? 3 : 0;
3054                                         break;
3055                                 case 3:
3056                                         dot = (e[0] == '/') ? -1 : 0;
3057                                         break;
3058                                         }
3059                                 if (dot == 0)
3060                                         dot = (e[0] == '/') ? 1 : 0;
3061                                 }
3062                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3063
3064                         if (*e == '\0')
3065                                 {
3066                                 BIO_puts(io,text);
3067                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3068                                 break;
3069                                 }
3070                         *e='\0';
3071
3072                         if (dot)
3073                                 {
3074                                 BIO_puts(io,text);
3075                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3076                                 break;
3077                                 }
3078
3079                         if (*p == '/')
3080                                 {
3081                                 BIO_puts(io,text);
3082                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3083                                 break;
3084                                 }
3085
3086 #if 0
3087                         /* append if a directory lookup */
3088                         if (e[-1] == '/')
3089                                 strcat(p,"index.html");
3090 #endif
3091
3092                         /* if a directory, do the index thang */
3093                         if (app_isdir(p)>0)
3094                                 {
3095 #if 0 /* must check buffer size */
3096                                 strcat(p,"/index.html");
3097 #else
3098                                 BIO_puts(io,text);
3099                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3100                                 break;
3101 #endif
3102                                 }
3103
3104                         if ((file=BIO_new_file(p,"r")) == NULL)
3105                                 {
3106                                 BIO_puts(io,text);
3107                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3108                                 ERR_print_errors(io);
3109                                 break;
3110                                 }
3111
3112                         if (!s_quiet)
3113                                 BIO_printf(bio_err,"FILE:%s\n",p);
3114
3115                         if (www == 2)
3116                                 {
3117                                 i=strlen(p);
3118                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3119                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3120                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3121                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3122                                 else
3123                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3124                                 }
3125                         /* send the file */
3126                         for (;;)
3127                                 {
3128                                 i=BIO_read(file,buf,bufsize);
3129                                 if (i <= 0) break;
3130
3131 #ifdef RENEG
3132                                 total_bytes+=i;
3133                                 fprintf(stderr,"%d\n",i);
3134                                 if (total_bytes > 3*1024)
3135                                         {
3136                                         total_bytes=0;
3137                                         fprintf(stderr,"RENEGOTIATE\n");
3138                                         SSL_renegotiate(con);
3139                                         }
3140 #endif
3141
3142                                 for (j=0; j<i; )
3143                                         {
3144 #ifdef RENEG
3145 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3146 #endif
3147                                         k=BIO_write(io,&(buf[j]),i-j);
3148                                         if (k <= 0)
3149                                                 {
3150                                                 if (!BIO_should_retry(io))
3151                                                         goto write_error;
3152                                                 else
3153                                                         {
3154                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3155                                                         }
3156                                                 }
3157                                         else
3158                                                 {
3159                                                 j+=k;
3160                                                 }
3161                                         }
3162                                 }
3163 write_error:
3164                         BIO_free(file);
3165                         break;
3166                         }
3167                 }
3168
3169         for (;;)
3170                 {
3171                 i=(int)BIO_flush(io);
3172                 if (i <= 0)
3173                         {
3174                         if (!BIO_should_retry(io))
3175                                 break;
3176                         }
3177                 else
3178                         break;
3179                 }
3180 end:
3181 #if 1
3182         /* make sure we re-use sessions */
3183         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3184 #else
3185         /* This kills performance */
3186 /*      SSL_shutdown(con); A shutdown gets sent in the
3187  *      BIO_free_all(io) procession */
3188 #endif
3189
3190 err:
3191
3192         if (ret >= 0)
3193                 BIO_printf(bio_s_out,"ACCEPT\n");
3194
3195         if (buf != NULL) OPENSSL_free(buf);
3196         if (io != NULL) BIO_free_all(io);
3197 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3198         return(ret);
3199         }
3200
3201 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3202         {
3203         char *buf=NULL;
3204         int i;
3205         int ret=1;
3206         SSL *con;
3207         BIO *io,*ssl_bio,*sbio;
3208 #ifndef OPENSSL_NO_KRB5
3209         KSSL_CTX *kctx;
3210 #endif
3211
3212         buf=OPENSSL_malloc(bufsize);
3213         if (buf == NULL) return(0);
3214         io=BIO_new(BIO_f_buffer());
3215         ssl_bio=BIO_new(BIO_f_ssl());
3216         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3217
3218         /* lets make the output buffer a reasonable size */
3219         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3220
3221         if ((con=SSL_new(ctx)) == NULL) goto err;
3222 #ifndef OPENSSL_NO_TLSEXT
3223         if (s_tlsextdebug)
3224                 {
3225                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3226                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3227                 }
3228 #endif
3229 #ifndef OPENSSL_NO_KRB5
3230         if ((kctx = kssl_ctx_new()) != NULL)
3231                 {
3232                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3233                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3234                 }
3235 #endif  /* OPENSSL_NO_KRB5 */
3236         if(context) SSL_set_session_id_context(con, context,
3237                                                strlen((char *)context));
3238
3239         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3240         SSL_set_bio(con,sbio,sbio);
3241         SSL_set_accept_state(con);
3242
3243         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3244         BIO_push(io,ssl_bio);
3245 #ifdef CHARSET_EBCDIC
3246         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3247 #endif
3248
3249         if (s_debug)
3250                 {
3251                 SSL_set_debug(con, 1);
3252                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3253                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3254                 }
3255         if (s_msg)
3256                 {
3257 #ifndef OPENSSL_NO_SSL_TRACE
3258                 if (s_msg == 2)
3259                         SSL_set_msg_callback(con, SSL_trace);
3260                 else
3261 #endif
3262                         SSL_set_msg_callback(con, msg_cb);
3263                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3264                 }
3265
3266         for (;;)
3267                 {
3268                 i = BIO_do_handshake(io);
3269                 if (i > 0)
3270                         break;
3271                 if (!BIO_should_retry(io))
3272                         {
3273                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3274                         ERR_print_errors(bio_err);
3275                         goto end;
3276                         }
3277                 }
3278         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3279         print_ssl_summary(bio_err, con);
3280
3281         for (;;)
3282                 {
3283                 i=BIO_gets(io,buf,bufsize-1);
3284                 if (i < 0) /* error */
3285                         {
3286                         if (!BIO_should_retry(io))
3287                                 {
3288                                 if (!s_quiet)
3289                                         ERR_print_errors(bio_err);
3290                                 goto err;
3291                                 }
3292                         else
3293                                 {
3294                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3295 #if defined(OPENSSL_SYS_NETWARE)
3296             delay(1000);
3297 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3298                                 sleep(1);
3299 #endif
3300                                 continue;
3301                                 }
3302                         }
3303                 else if (i == 0) /* end of input */
3304                         {
3305                         ret=1;
3306                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3307                         goto end;
3308                         }
3309                 else
3310                         {
3311                         char *p = buf + i - 1;
3312                         while(i && (*p == '\n' || *p == '\r'))
3313                                 {
3314                                 p--;
3315                                 i--;
3316                                 }
3317                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3318                                 {
3319                                 ret = 1;
3320                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3321                                 goto end;
3322                                 }
3323                         BUF_reverse((unsigned char *)buf, NULL, i);
3324                         buf[i] = '\n';
3325                         BIO_write(io, buf, i + 1);
3326                         for (;;)
3327                                 {
3328                                 i = BIO_flush(io);
3329                                 if (i > 0)
3330                                         break;
3331                                 if (!BIO_should_retry(io))
3332                                         goto end;
3333                                 }
3334                         }
3335                 }
3336 end:
3337         /* make sure we re-use sessions */
3338         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3339
3340 err:
3341
3342         if (buf != NULL) OPENSSL_free(buf);
3343         if (io != NULL) BIO_free_all(io);
3344         return(ret);
3345         }
3346
3347 #ifndef OPENSSL_NO_RSA
3348 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3349         {
3350         BIGNUM *bn = NULL;
3351         static RSA *rsa_tmp=NULL;
3352
3353         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3354                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3355         if (!rsa_tmp && bn)
3356                 {
3357                 if (!s_quiet)
3358                         {
3359                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3360                         (void)BIO_flush(bio_err);
3361                         }
3362                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3363                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3364                         {
3365                         if(rsa_tmp) RSA_free(rsa_tmp);
3366                         rsa_tmp = NULL;
3367                         }
3368                 if (!s_quiet)
3369                         {
3370                         BIO_printf(bio_err,"\n");
3371                         (void)BIO_flush(bio_err);
3372                         }
3373                 BN_free(bn);
3374                 }
3375         return(rsa_tmp);
3376         }
3377 #endif
3378
3379 #define MAX_SESSION_ID_ATTEMPTS 10
3380 static int generate_session_id(const SSL *ssl, unsigned char *id,
3381                                 unsigned int *id_len)
3382         {
3383         unsigned int count = 0;
3384         do      {
3385                 RAND_pseudo_bytes(id, *id_len);
3386                 /* Prefix the session_id with the required prefix. NB: If our
3387                  * prefix is too long, clip it - but there will be worse effects
3388                  * anyway, eg. the server could only possibly create 1 session
3389                  * ID (ie. the prefix!) so all future session negotiations will
3390                  * fail due to conflicts. */
3391                 memcpy(id, session_id_prefix,
3392                         (strlen(session_id_prefix) < *id_len) ?
3393                         strlen(session_id_prefix) : *id_len);
3394                 }
3395         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3396                 (++count < MAX_SESSION_ID_ATTEMPTS));
3397         if(count >= MAX_SESSION_ID_ATTEMPTS)
3398                 return 0;
3399         return 1;
3400         }
3401
3402 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3403  * structures without any serialisation. This hides some bugs which only
3404  * become apparent in deployed servers. By implementing a basic external
3405  * session cache some issues can be debugged using s_server.
3406  */
3407
3408 typedef struct simple_ssl_session_st
3409         {
3410         unsigned char *id;
3411         unsigned int idlen;
3412         unsigned char *der;
3413         int derlen;
3414         struct simple_ssl_session_st *next;
3415         } simple_ssl_session;
3416
3417 static simple_ssl_session *first = NULL;
3418
3419 static int add_session(SSL *ssl, SSL_SESSION *session)
3420         {
3421         simple_ssl_session *sess;
3422         unsigned char *p;
3423
3424         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3425
3426         SSL_SESSION_get_id(session, &sess->idlen);
3427         sess->derlen = i2d_SSL_SESSION(session, NULL);
3428
3429         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3430
3431         sess->der = OPENSSL_malloc(sess->derlen);
3432         p = sess->der;
3433         i2d_SSL_SESSION(session, &p);
3434
3435         sess->next = first;
3436         first = sess;
3437         BIO_printf(bio_err, "New session added to external cache\n");
3438         return 0;
3439         }
3440
3441 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3442                                         int *do_copy)
3443         {
3444         simple_ssl_session *sess;
3445         *do_copy = 0;
3446         for (sess = first; sess; sess = sess->next)
3447                 {
3448                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3449                         {
3450                         const unsigned char *p = sess->der;
3451                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3452                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3453                         }
3454                 }
3455         BIO_printf(bio_err, "Lookup session: cache miss\n");
3456         return NULL;
3457         }
3458
3459 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3460         {
3461         simple_ssl_session *sess, *prev = NULL;
3462         const unsigned char *id;
3463         unsigned int idlen;
3464         id = SSL_SESSION_get_id(session, &idlen);
3465         for (sess = first; sess; sess = sess->next)
3466                 {
3467                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3468                         {
3469                         if(prev)
3470                                 prev->next = sess->next;
3471                         else
3472                                 first = sess->next;
3473                         OPENSSL_free(sess->id);
3474                         OPENSSL_free(sess->der);
3475                         OPENSSL_free(sess);
3476                         return;
3477                         }
3478                 prev = sess;
3479                 }
3480         }
3481
3482 static void init_session_cache_ctx(SSL_CTX *sctx)
3483         {
3484         SSL_CTX_set_session_cache_mode(sctx,
3485                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3486         SSL_CTX_sess_set_new_cb(sctx, add_session);
3487         SSL_CTX_sess_set_get_cb(sctx, get_session);
3488         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3489         }
3490
3491 static void free_sessions(void)
3492         {
3493         simple_ssl_session *sess, *tsess;
3494         for (sess = first; sess;)
3495                 {
3496                 OPENSSL_free(sess->id);
3497                 OPENSSL_free(sess->der);
3498                 tsess = sess;
3499                 sess = sess->next;
3500                 OPENSSL_free(tsess);
3501                 }
3502         first = NULL;
3503         }
3504