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 (strcmp(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
1528 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1529         if (jpake_secret)
1530                 {
1531                 if (psk_key)
1532                         {
1533                         BIO_printf(bio_err,
1534                                    "Can't use JPAKE and PSK together\n");
1535                         goto end;
1536                         }
1537                 psk_identity = "JPAKE";
1538                 }
1539 #endif
1540
1541         SSL_load_error_strings();
1542         OpenSSL_add_ssl_algorithms();
1543
1544 #ifndef OPENSSL_NO_ENGINE
1545         e = setup_engine(bio_err, engine_id, 1);
1546 #endif
1547
1548         if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass))
1549                 {
1550                 BIO_printf(bio_err, "Error getting password\n");
1551                 goto end;
1552                 }
1553
1554
1555         if (s_key_file == NULL)
1556                 s_key_file = s_cert_file;
1557 #ifndef OPENSSL_NO_TLSEXT
1558         if (s_key_file2 == NULL)
1559                 s_key_file2 = s_cert_file2;
1560 #endif
1561
1562         if (!load_excert(&exc, bio_err))
1563                 goto end;
1564
1565         if (nocert == 0)
1566                 {
1567                 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e,
1568                        "server certificate private key file");
1569                 if (!s_key)
1570                         {
1571                         ERR_print_errors(bio_err);
1572                         goto end;
1573                         }
1574
1575                 s_cert = load_cert(bio_err,s_cert_file,s_cert_format,
1576                         NULL, e, "server certificate file");
1577
1578                 if (!s_cert)
1579                         {
1580                         ERR_print_errors(bio_err);
1581                         goto end;
1582                         }
1583                 if (s_chain_file)
1584                         {
1585                         s_chain = load_certs(bio_err, s_chain_file,FORMAT_PEM,
1586                                         NULL, e, "server certificate chain");
1587                         if (!s_chain)
1588                                 goto end;
1589                         }
1590
1591 #ifndef OPENSSL_NO_TLSEXT
1592                 if (tlsextcbp.servername)
1593                         {
1594                         s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e,
1595                                 "second server certificate private key file");
1596                         if (!s_key2)
1597                                 {
1598                                 ERR_print_errors(bio_err);
1599                                 goto end;
1600                                 }
1601
1602                         s_cert2 = load_cert(bio_err,s_cert_file2,s_cert_format,
1603                                 NULL, e, "second server certificate file");
1604
1605                         if (!s_cert2)
1606                                 {
1607                                 ERR_print_errors(bio_err);
1608                                 goto end;
1609                                 }
1610                         }
1611 #endif /* OPENSSL_NO_TLSEXT */
1612                 }
1613
1614 #if !defined(OPENSSL_NO_TLSEXT)
1615 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1616         if (next_proto_neg_in)
1617                 {
1618                 unsigned short len;
1619                 next_proto.data = next_protos_parse(&len, next_proto_neg_in);
1620                 if (next_proto.data == NULL)
1621                         goto end;
1622                 next_proto.len = len;
1623                 }
1624         else
1625                 {
1626                 next_proto.data = NULL;
1627                 }
1628 # endif
1629         alpn_ctx.data = NULL;
1630         if (alpn_in)
1631                 {
1632                 unsigned short len;
1633                 alpn_ctx.data = next_protos_parse(&len, alpn_in);
1634                 if (alpn_ctx.data == NULL)
1635                         goto end;
1636                 alpn_ctx.len = len;
1637                 }
1638 #endif
1639
1640         if (crl_file)
1641                 {
1642                 X509_CRL *crl;
1643                 crl = load_crl(crl_file, crl_format);
1644                 if (!crl)
1645                         {
1646                         BIO_puts(bio_err, "Error loading CRL\n");
1647                         ERR_print_errors(bio_err);
1648                         goto end;
1649                         }
1650                 crls = sk_X509_CRL_new_null();
1651                 if (!crls || !sk_X509_CRL_push(crls, crl))
1652                         {
1653                         BIO_puts(bio_err, "Error adding CRL\n");
1654                         ERR_print_errors(bio_err);
1655                         X509_CRL_free(crl);
1656                         goto end;
1657                         }
1658                 }
1659
1660
1661         if (s_dcert_file)
1662                 {
1663
1664                 if (s_dkey_file == NULL)
1665                         s_dkey_file = s_dcert_file;
1666
1667                 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format,
1668                                 0, dpass, e,
1669                                "second certificate private key file");
1670                 if (!s_dkey)
1671                         {
1672                         ERR_print_errors(bio_err);
1673                         goto end;
1674                         }
1675
1676                 s_dcert = load_cert(bio_err,s_dcert_file,s_dcert_format,
1677                                 NULL, e, "second server certificate file");
1678
1679                 if (!s_dcert)
1680                         {
1681                         ERR_print_errors(bio_err);
1682                         goto end;
1683                         }
1684                 if (s_dchain_file)
1685                         {
1686                         s_dchain = load_certs(bio_err, s_dchain_file,FORMAT_PEM,
1687                                 NULL, e, "second server certificate chain");
1688                         if (!s_dchain)
1689                                 goto end;
1690                         }
1691
1692                 }
1693
1694         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1695                 && !RAND_status())
1696                 {
1697                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1698                 }
1699         if (inrand != NULL)
1700                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1701                         app_RAND_load_files(inrand));
1702
1703         if (bio_s_out == NULL)
1704                 {
1705                 if (s_quiet && !s_debug)
1706                         {
1707                         bio_s_out=BIO_new(BIO_s_null());
1708                         if (s_msg && !bio_s_msg)
1709                                 bio_s_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1710                         }
1711                 else
1712                         {
1713                         if (bio_s_out == NULL)
1714                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1715                         }
1716                 }
1717
1718 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA)
1719         if (nocert)
1720 #endif
1721                 {
1722                 s_cert_file=NULL;
1723                 s_key_file=NULL;
1724                 s_dcert_file=NULL;
1725                 s_dkey_file=NULL;
1726 #ifndef OPENSSL_NO_TLSEXT
1727                 s_cert_file2=NULL;
1728                 s_key_file2=NULL;
1729 #endif
1730                 }
1731
1732         ctx=SSL_CTX_new(meth);
1733         if (ctx == NULL)
1734                 {
1735                 ERR_print_errors(bio_err);
1736                 goto end;
1737                 }
1738         if (session_id_prefix)
1739                 {
1740                 if(strlen(session_id_prefix) >= 32)
1741                         BIO_printf(bio_err,
1742 "warning: id_prefix is too long, only one new session will be possible\n");
1743                 else if(strlen(session_id_prefix) >= 16)
1744                         BIO_printf(bio_err,
1745 "warning: id_prefix is too long if you use SSLv2\n");
1746                 if(!SSL_CTX_set_generate_session_id(ctx, generate_session_id))
1747                         {
1748                         BIO_printf(bio_err,"error setting 'id_prefix'\n");
1749                         ERR_print_errors(bio_err);
1750                         goto end;
1751                         }
1752                 BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1753                 }
1754         SSL_CTX_set_quiet_shutdown(ctx,1);
1755         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1756         if (exc) ssl_ctx_set_excert(ctx, exc);
1757         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1758          * Setting read ahead solves this problem.
1759          */
1760         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1761
1762         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1763         if (no_cache)
1764                 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF);
1765         else if (ext_cache)
1766                 init_session_cache_ctx(ctx);
1767         else
1768                 SSL_CTX_sess_set_cache_size(ctx,128);
1769
1770         if (srtp_profiles != NULL)
1771                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1772
1773 #if 0
1774         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
1775 #endif
1776
1777 #if 0
1778         if (s_cert_file == NULL)
1779                 {
1780                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
1781                 goto end;
1782                 }
1783 #endif
1784
1785         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1786                 (!SSL_CTX_set_default_verify_paths(ctx)))
1787                 {
1788                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
1789                 ERR_print_errors(bio_err);
1790                 /* goto end; */
1791                 }
1792         if (vpm)
1793                 SSL_CTX_set1_param(ctx, vpm);
1794
1795         ssl_ctx_add_crls(ctx, crls, 0);
1796
1797         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1798                 goto end;
1799
1800         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1801                                                 crls, crl_download))
1802                 {
1803                 BIO_printf(bio_err, "Error loading store locations\n");
1804                 ERR_print_errors(bio_err);
1805                 goto end;
1806                 }
1807
1808 #ifndef OPENSSL_NO_TLSEXT
1809         if (s_cert2)
1810                 {
1811                 ctx2=SSL_CTX_new(meth);
1812                 if (ctx2 == NULL)
1813                         {
1814                         ERR_print_errors(bio_err);
1815                         goto end;
1816                         }
1817                 }
1818
1819         if (ctx2)
1820                 {
1821                 BIO_printf(bio_s_out,"Setting secondary ctx parameters\n");
1822
1823                 if (session_id_prefix)
1824                         {
1825                         if(strlen(session_id_prefix) >= 32)
1826                                 BIO_printf(bio_err,
1827                                         "warning: id_prefix is too long, only one new session will be possible\n");
1828                         else if(strlen(session_id_prefix) >= 16)
1829                                 BIO_printf(bio_err,
1830                                         "warning: id_prefix is too long if you use SSLv2\n");
1831                         if(!SSL_CTX_set_generate_session_id(ctx2, generate_session_id))
1832                                 {
1833                                 BIO_printf(bio_err,"error setting 'id_prefix'\n");
1834                                 ERR_print_errors(bio_err);
1835                                 goto end;
1836                                 }
1837                         BIO_printf(bio_err,"id_prefix '%s' set.\n", session_id_prefix);
1838                         }
1839                 SSL_CTX_set_quiet_shutdown(ctx2,1);
1840                 if (hack) SSL_CTX_set_options(ctx2,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
1841                 if (exc) ssl_ctx_set_excert(ctx2, exc);
1842                 /* DTLS: partial reads end up discarding unread UDP bytes :-(
1843                  * Setting read ahead solves this problem.
1844                  */
1845                 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx2, 1);
1846
1847                 if (state) SSL_CTX_set_info_callback(ctx2,apps_ssl_info_callback);
1848
1849                 if (no_cache)
1850                         SSL_CTX_set_session_cache_mode(ctx2,SSL_SESS_CACHE_OFF);
1851                 else if (ext_cache)
1852                         init_session_cache_ctx(ctx2);
1853                 else
1854                         SSL_CTX_sess_set_cache_size(ctx2,128);
1855
1856                 if ((!SSL_CTX_load_verify_locations(ctx2,CAfile,CApath)) ||
1857                         (!SSL_CTX_set_default_verify_paths(ctx2)))
1858                         {
1859                         ERR_print_errors(bio_err);
1860                         }
1861                 if (vpm)
1862                         SSL_CTX_set1_param(ctx2, vpm);
1863
1864                 ssl_ctx_add_crls(ctx2, crls, 0);
1865
1866                 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake))
1867                         goto end;
1868
1869                 }
1870
1871 # ifndef OPENSSL_NO_NEXTPROTONEG
1872         if (next_proto.data)
1873                 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, &next_proto);
1874 # endif
1875         if (alpn_ctx.data)
1876                 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx);
1877 #endif
1878
1879 #ifndef OPENSSL_NO_DH
1880         if (!no_dhe)
1881                 {
1882                 DH *dh=NULL;
1883
1884                 if (dhfile)
1885                         dh = load_dh_param(dhfile);
1886                 else if (s_cert_file)
1887                         dh = load_dh_param(s_cert_file);
1888
1889                 if (dh != NULL)
1890                         {
1891                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1892                         }
1893                 else
1894                         {
1895                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
1896                         dh=get_dh512();
1897                         }
1898                 (void)BIO_flush(bio_s_out);
1899
1900                 SSL_CTX_set_tmp_dh(ctx,dh);
1901 #ifndef OPENSSL_NO_TLSEXT
1902                 if (ctx2)
1903                         {
1904                         if (!dhfile)
1905                                 {
1906                                 DH *dh2=load_dh_param(s_cert_file2);
1907                                 if (dh2 != NULL)
1908                                         {
1909                                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
1910                                         (void)BIO_flush(bio_s_out);
1911
1912                                         DH_free(dh);
1913                                         dh = dh2;
1914                                         }
1915                                 }
1916                         SSL_CTX_set_tmp_dh(ctx2,dh);
1917                         }
1918 #endif
1919                 DH_free(dh);
1920                 }
1921 #endif
1922
1923         if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain))
1924                 goto end;
1925 #ifndef OPENSSL_NO_TLSEXT
1926         if (s_serverinfo_file != NULL
1927             && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file))
1928                 {
1929                 ERR_print_errors(bio_err);
1930                 goto end;
1931                 }
1932 #endif
1933 #ifndef OPENSSL_NO_TLSEXT
1934         if (ctx2 && !set_cert_key_stuff(ctx2,s_cert2,s_key2, NULL, build_chain))
1935                 goto end;
1936 #endif
1937         if (s_dcert != NULL)
1938                 {
1939                 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain))
1940                         goto end;
1941                 }
1942
1943 #ifndef OPENSSL_NO_RSA
1944 #if 1
1945         if (!no_tmp_rsa)
1946                 {
1947                 SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
1948 #ifndef OPENSSL_NO_TLSEXT
1949                 if (ctx2)
1950                         SSL_CTX_set_tmp_rsa_callback(ctx2,tmp_rsa_cb);
1951 #endif
1952                 }
1953 #else
1954         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
1955                 {
1956                 RSA *rsa;
1957
1958                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
1959                 BIO_flush(bio_s_out);
1960
1961                 rsa=RSA_generate_key(512,RSA_F4,NULL);
1962
1963                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
1964                         {
1965                         ERR_print_errors(bio_err);
1966                         goto end;
1967                         }
1968 #ifndef OPENSSL_NO_TLSEXT
1969                         if (ctx2)
1970                                 {
1971                                 if (!SSL_CTX_set_tmp_rsa(ctx2,rsa))
1972                                         {
1973                                         ERR_print_errors(bio_err);
1974                                         goto end;
1975                                         }
1976                                 }
1977 #endif
1978                 RSA_free(rsa);
1979                 BIO_printf(bio_s_out,"\n");
1980                 }
1981 #endif
1982 #endif
1983
1984 #ifndef OPENSSL_NO_PSK
1985 #ifdef OPENSSL_NO_JPAKE
1986         if (psk_key != NULL)
1987 #else
1988         if (psk_key != NULL || jpake_secret)
1989 #endif
1990                 {
1991                 if (s_debug)
1992                         BIO_printf(bio_s_out, "PSK key given or JPAKE in use, setting server callback\n");
1993                 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb);
1994                 }
1995
1996         if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint))
1997                 {
1998                 BIO_printf(bio_err,"error setting PSK identity hint to context\n");
1999                 ERR_print_errors(bio_err);
2000                 goto end;
2001                 }
2002 #endif
2003
2004         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
2005         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
2006                 sizeof s_server_session_id_context);
2007
2008         /* Set DTLS cookie generation and verification callbacks */
2009         SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback);
2010         SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback);
2011
2012 #ifndef OPENSSL_NO_TLSEXT
2013         if (ctx2)
2014                 {
2015                 SSL_CTX_set_verify(ctx2,s_server_verify,verify_callback);
2016                 SSL_CTX_set_session_id_context(ctx2,(void*)&s_server_session_id_context,
2017                         sizeof s_server_session_id_context);
2018
2019                 tlsextcbp.biodebug = bio_s_out;
2020                 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb);
2021                 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp);
2022                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
2023                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
2024                 }
2025 #endif
2026
2027 #ifndef OPENSSL_NO_SRP
2028         if (srp_verifier_file != NULL)
2029                 {
2030                 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed);
2031                 srp_callback_parm.user = NULL;
2032                 srp_callback_parm.login = NULL;
2033                 if ((ret = SRP_VBASE_init(srp_callback_parm.vb, srp_verifier_file)) != SRP_NO_ERROR)
2034                         {
2035                         BIO_printf(bio_err,
2036                                    "Cannot initialize SRP verifier file \"%s\":ret=%d\n",
2037                                    srp_verifier_file, ret);
2038                                 goto end;
2039                         }
2040                 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE,verify_callback);
2041                 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm);
2042                 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb);
2043                 }
2044         else
2045 #endif
2046         if (CAfile != NULL)
2047                 {
2048                 SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
2049 #ifndef OPENSSL_NO_TLSEXT
2050                 if (ctx2)
2051                         SSL_CTX_set_client_CA_list(ctx2,SSL_load_client_CA_file(CAfile));
2052 #endif
2053                 }
2054
2055         BIO_printf(bio_s_out,"ACCEPT\n");
2056         (void)BIO_flush(bio_s_out);
2057         if (rev)
2058                 do_server(port,socket_type,&accept_socket,rev_body, context, naccept);
2059         else if (www)
2060                 do_server(port,socket_type,&accept_socket,www_body, context, naccept);
2061         else
2062                 do_server(port,socket_type,&accept_socket,sv_body, context, naccept);
2063         print_stats(bio_s_out,ctx);
2064         ret=0;
2065 end:
2066         if (ctx != NULL) SSL_CTX_free(ctx);
2067         if (s_cert)
2068                 X509_free(s_cert);
2069         if (crls)
2070                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2071         if (s_dcert)
2072                 X509_free(s_dcert);
2073         if (s_key)
2074                 EVP_PKEY_free(s_key);
2075         if (s_dkey)
2076                 EVP_PKEY_free(s_dkey);
2077         if (s_chain)
2078                 sk_X509_pop_free(s_chain, X509_free);
2079         if (s_dchain)
2080                 sk_X509_pop_free(s_dchain, X509_free);
2081         if (pass)
2082                 OPENSSL_free(pass);
2083         if (dpass)
2084                 OPENSSL_free(dpass);
2085         if (vpm)
2086                 X509_VERIFY_PARAM_free(vpm);
2087         free_sessions();
2088 #ifndef OPENSSL_NO_TLSEXT
2089         if (tlscstatp.host)
2090                 OPENSSL_free(tlscstatp.host);
2091         if (tlscstatp.port)
2092                 OPENSSL_free(tlscstatp.port);
2093         if (tlscstatp.path)
2094                 OPENSSL_free(tlscstatp.path);
2095         if (ctx2 != NULL) SSL_CTX_free(ctx2);
2096         if (s_cert2)
2097                 X509_free(s_cert2);
2098         if (s_key2)
2099                 EVP_PKEY_free(s_key2);
2100         if (serverinfo_in != NULL)
2101                 BIO_free(serverinfo_in);
2102 # ifndef OPENSSL_NO_NEXTPROTONEG
2103         if (next_proto.data)
2104                 OPENSSL_free(next_proto.data);
2105 # endif
2106         if (alpn_ctx.data)
2107                 OPENSSL_free(alpn_ctx.data);
2108 #endif
2109         ssl_excert_free(exc);
2110         if (ssl_args)
2111                 sk_OPENSSL_STRING_free(ssl_args);
2112         if (cctx)
2113                 SSL_CONF_CTX_free(cctx);
2114 #ifndef OPENSSL_NO_JPAKE
2115         if (jpake_secret && psk_key)
2116                 OPENSSL_free(psk_key);
2117 #endif
2118         if (bio_s_out != NULL)
2119                 {
2120                 BIO_free(bio_s_out);
2121                 bio_s_out=NULL;
2122                 }
2123         if (bio_s_msg != NULL)
2124                 {
2125                 BIO_free(bio_s_msg);
2126                 bio_s_msg = NULL;
2127                 }
2128         apps_shutdown();
2129         OPENSSL_EXIT(ret);
2130         }
2131
2132 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
2133         {
2134         BIO_printf(bio,"%4ld items in the session cache\n",
2135                 SSL_CTX_sess_number(ssl_ctx));
2136         BIO_printf(bio,"%4ld client connects (SSL_connect())\n",
2137                 SSL_CTX_sess_connect(ssl_ctx));
2138         BIO_printf(bio,"%4ld client renegotiates (SSL_connect())\n",
2139                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
2140         BIO_printf(bio,"%4ld client connects that finished\n",
2141                 SSL_CTX_sess_connect_good(ssl_ctx));
2142         BIO_printf(bio,"%4ld server accepts (SSL_accept())\n",
2143                 SSL_CTX_sess_accept(ssl_ctx));
2144         BIO_printf(bio,"%4ld server renegotiates (SSL_accept())\n",
2145                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
2146         BIO_printf(bio,"%4ld server accepts that finished\n",
2147                 SSL_CTX_sess_accept_good(ssl_ctx));
2148         BIO_printf(bio,"%4ld session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
2149         BIO_printf(bio,"%4ld session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
2150         BIO_printf(bio,"%4ld session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
2151         BIO_printf(bio,"%4ld callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
2152         BIO_printf(bio,"%4ld cache full overflows (%ld allowed)\n",
2153                 SSL_CTX_sess_cache_full(ssl_ctx),
2154                 SSL_CTX_sess_get_cache_size(ssl_ctx));
2155         }
2156
2157 static int sv_body(char *hostname, int s, int stype, unsigned char *context)
2158         {
2159         char *buf=NULL;
2160         fd_set readfds;
2161         int ret=1,width;
2162         int k,i;
2163         unsigned long l;
2164         SSL *con=NULL;
2165         BIO *sbio;
2166 #ifndef OPENSSL_NO_KRB5
2167         KSSL_CTX *kctx;
2168 #endif
2169         struct timeval timeout;
2170 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
2171         struct timeval tv;
2172 #else
2173         struct timeval *timeoutp;
2174 #endif
2175
2176         if ((buf=OPENSSL_malloc(bufsize)) == NULL)
2177                 {
2178                 BIO_printf(bio_err,"out of memory\n");
2179                 goto err;
2180                 }
2181 #ifdef FIONBIO
2182         if (s_nbio)
2183                 {
2184                 unsigned long sl=1;
2185
2186                 if (!s_quiet)
2187                         BIO_printf(bio_err,"turning on non blocking io\n");
2188                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2189                         ERR_print_errors(bio_err);
2190                 }
2191 #endif
2192
2193         if (con == NULL) {
2194                 con=SSL_new(ctx);
2195 #ifndef OPENSSL_NO_TLSEXT
2196         if (s_tlsextdebug)
2197                 {
2198                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2199                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2200                 }
2201         if (s_tlsextstatus)
2202                 {
2203                 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb);
2204                 tlscstatp.err = bio_err;
2205                 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp);
2206                 }
2207 #endif
2208 #ifndef OPENSSL_NO_KRB5
2209                 if ((kctx = kssl_ctx_new()) != NULL)
2210                         {
2211                         SSL_set0_kssl_ctx(con, kctx);
2212                         kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2213                         kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2214                         }
2215 #endif  /* OPENSSL_NO_KRB5 */
2216                 if(context)
2217                       SSL_set_session_id_context(con, context,
2218                                                  strlen((char *)context));
2219         }
2220         SSL_clear(con);
2221 #if 0
2222 #ifdef TLSEXT_TYPE_opaque_prf_input
2223         SSL_set_tlsext_opaque_prf_input(con, "Test server", 11);
2224 #endif
2225 #endif
2226
2227         if (stype == SOCK_DGRAM)
2228                 {
2229
2230                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
2231
2232                 if (enable_timeouts)
2233                         {
2234                         timeout.tv_sec = 0;
2235                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
2236                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
2237
2238                         timeout.tv_sec = 0;
2239                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
2240                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
2241                         }
2242
2243                 if (socket_mtu > 28)
2244                         {
2245                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
2246                         SSL_set_mtu(con, socket_mtu - 28);
2247                         }
2248                 else
2249                         /* want to do MTU discovery */
2250                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
2251
2252         /* turn on cookie exchange */
2253         SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE);
2254                 }
2255         else
2256                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
2257
2258         if (s_nbio_test)
2259                 {
2260                 BIO *test;
2261
2262                 test=BIO_new(BIO_f_nbio_test());
2263                 sbio=BIO_push(test,sbio);
2264                 }
2265 #ifndef OPENSSL_NO_JPAKE
2266         if(jpake_secret)
2267                 jpake_server_auth(bio_s_out, sbio, jpake_secret);
2268 #endif
2269
2270         SSL_set_bio(con,sbio,sbio);
2271         SSL_set_accept_state(con);
2272         /* SSL_set_fd(con,s); */
2273
2274         if (s_debug)
2275                 {
2276                 SSL_set_debug(con, 1);
2277                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2278                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2279                 }
2280         if (s_msg)
2281                 {
2282 #ifndef OPENSSL_NO_SSL_TRACE
2283                 if (s_msg == 2)
2284                         SSL_set_msg_callback(con, SSL_trace);
2285                 else
2286 #endif
2287                         SSL_set_msg_callback(con, msg_cb);
2288                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2289                 }
2290 #ifndef OPENSSL_NO_TLSEXT
2291         if (s_tlsextdebug)
2292                 {
2293                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
2294                 SSL_set_tlsext_debug_arg(con, bio_s_out);
2295                 }
2296 #endif
2297
2298         width=s+1;
2299         for (;;)
2300                 {
2301                 int read_from_terminal;
2302                 int read_from_sslcon;
2303
2304                 read_from_terminal = 0;
2305                 read_from_sslcon = SSL_pending(con);
2306
2307                 if (!read_from_sslcon)
2308                         {
2309                         FD_ZERO(&readfds);
2310 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5)
2311                         openssl_fdset(fileno(stdin),&readfds);
2312 #endif
2313                         openssl_fdset(s,&readfds);
2314                         /* Note: under VMS with SOCKETSHR the second parameter is
2315                          * currently of type (int *) whereas under other systems
2316                          * it is (void *) if you don't have a cast it will choke
2317                          * the compiler: if you do have a cast then you can either
2318                          * go for (int *) or (void *).
2319                          */
2320 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
2321                         /* Under DOS (non-djgpp) and Windows we can't select on stdin: only
2322                          * on sockets. As a workaround we timeout the select every
2323                          * second and check for any keypress. In a proper Windows
2324                          * application we wouldn't do this because it is inefficient.
2325                          */
2326                         tv.tv_sec = 1;
2327                         tv.tv_usec = 0;
2328                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2329                         if((i < 0) || (!i && !_kbhit() ) )continue;
2330                         if(_kbhit())
2331                                 read_from_terminal = 1;
2332 #elif defined(OPENSSL_SYS_BEOS_R5)
2333                         /* Under BeOS-R5 the situation is similar to DOS */
2334                         tv.tv_sec = 1;
2335                         tv.tv_usec = 0;
2336                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
2337                         i=select(width,(void *)&readfds,NULL,NULL,&tv);
2338                         if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0))
2339                                 continue;
2340                         if (read(fileno(stdin), buf, 0) >= 0)
2341                                 read_from_terminal = 1;
2342                         (void)fcntl(fileno(stdin), F_SETFL, 0);
2343 #else
2344                         if ((SSL_version(con) == DTLS1_VERSION) &&
2345                                 DTLSv1_get_timeout(con, &timeout))
2346                                 timeoutp = &timeout;
2347                         else
2348                                 timeoutp = NULL;
2349
2350                         i=select(width,(void *)&readfds,NULL,NULL,timeoutp);
2351
2352                         if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
2353                                 {
2354                                 BIO_printf(bio_err,"TIMEOUT occured\n");
2355                                 }
2356
2357                         if (i <= 0) continue;
2358                         if (FD_ISSET(fileno(stdin),&readfds))
2359                                 read_from_terminal = 1;
2360 #endif
2361                         if (FD_ISSET(s,&readfds))
2362                                 read_from_sslcon = 1;
2363                         }
2364                 if (read_from_terminal)
2365                         {
2366                         if (s_crlf)
2367                                 {
2368                                 int j, lf_num;
2369
2370                                 i=raw_read_stdin(buf, bufsize/2);
2371                                 lf_num = 0;
2372                                 /* both loops are skipped when i <= 0 */
2373                                 for (j = 0; j < i; j++)
2374                                         if (buf[j] == '\n')
2375                                                 lf_num++;
2376                                 for (j = i-1; j >= 0; j--)
2377                                         {
2378                                         buf[j+lf_num] = buf[j];
2379                                         if (buf[j] == '\n')
2380                                                 {
2381                                                 lf_num--;
2382                                                 i++;
2383                                                 buf[j+lf_num] = '\r';
2384                                                 }
2385                                         }
2386                                 assert(lf_num == 0);
2387                                 }
2388                         else
2389                                 i=raw_read_stdin(buf,bufsize);
2390                         if (!s_quiet && !s_brief)
2391                                 {
2392                                 if ((i <= 0) || (buf[0] == 'Q'))
2393                                         {
2394                                         BIO_printf(bio_s_out,"DONE\n");
2395                                         SHUTDOWN(s);
2396                                         close_accept_socket();
2397                                         ret= -11;
2398                                         goto err;
2399                                         }
2400                                 if ((i <= 0) || (buf[0] == 'q'))
2401                                         {
2402                                         BIO_printf(bio_s_out,"DONE\n");
2403                                         if (SSL_version(con) != DTLS1_VERSION)
2404                         SHUTDOWN(s);
2405         /*                              close_accept_socket();
2406                                         ret= -11;*/
2407                                         goto err;
2408                                         }
2409
2410 #ifndef OPENSSL_NO_HEARTBEATS
2411                                 if ((buf[0] == 'B') &&
2412                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2413                                         {
2414                                         BIO_printf(bio_err,"HEARTBEATING\n");
2415                                         SSL_heartbeat(con);
2416                                         i=0;
2417                                         continue;
2418                                         }
2419 #endif
2420                                 if ((buf[0] == 'r') &&
2421                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2422                                         {
2423                                         SSL_renegotiate(con);
2424                                         i=SSL_do_handshake(con);
2425                                         printf("SSL_do_handshake -> %d\n",i);
2426                                         i=0; /*13; */
2427                                         continue;
2428                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
2429                                         }
2430                                 if ((buf[0] == 'R') &&
2431                                         ((buf[1] == '\n') || (buf[1] == '\r')))
2432                                         {
2433                                         SSL_set_verify(con,
2434                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
2435                                         SSL_renegotiate(con);
2436                                         i=SSL_do_handshake(con);
2437                                         printf("SSL_do_handshake -> %d\n",i);
2438                                         i=0; /* 13; */
2439                                         continue;
2440                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
2441                                         }
2442                                 if (buf[0] == 'P')
2443                                         {
2444                                         static const char *str="Lets print some clear text\n";
2445                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
2446                                         }
2447                                 if (buf[0] == 'S')
2448                                         {
2449                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
2450                                         }
2451                                 }
2452 #ifdef CHARSET_EBCDIC
2453                         ebcdic2ascii(buf,buf,i);
2454 #endif
2455                         l=k=0;
2456                         for (;;)
2457                                 {
2458                                 /* should do a select for the write */
2459 #ifdef RENEG
2460 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
2461 #endif
2462                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2463 #ifndef OPENSSL_NO_SRP
2464                                 while (SSL_get_error(con,k) == SSL_ERROR_WANT_X509_LOOKUP)
2465                                         {
2466                                         BIO_printf(bio_s_out,"LOOKUP renego during write\n");
2467                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2468                                         if (srp_callback_parm.user)
2469                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2470                                         else
2471                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2472                                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
2473                                         }
2474 #endif
2475                                 switch (SSL_get_error(con,k))
2476                                         {
2477                                 case SSL_ERROR_NONE:
2478                                         break;
2479                                 case SSL_ERROR_WANT_WRITE:
2480                                 case SSL_ERROR_WANT_READ:
2481                                 case SSL_ERROR_WANT_X509_LOOKUP:
2482                                         BIO_printf(bio_s_out,"Write BLOCK\n");
2483                                         break;
2484                                 case SSL_ERROR_SYSCALL:
2485                                 case SSL_ERROR_SSL:
2486                                         BIO_printf(bio_s_out,"ERROR\n");
2487                                         ERR_print_errors(bio_err);
2488                                         ret=1;
2489                                         goto err;
2490                                         /* break; */
2491                                 case SSL_ERROR_ZERO_RETURN:
2492                                         BIO_printf(bio_s_out,"DONE\n");
2493                                         ret=1;
2494                                         goto err;
2495                                         }
2496                                 l+=k;
2497                                 i-=k;
2498                                 if (i <= 0) break;
2499                                 }
2500                         }
2501                 if (read_from_sslcon)
2502                         {
2503                         if (!SSL_is_init_finished(con))
2504                                 {
2505                                 i=init_ssl_connection(con);
2506
2507                                 if (i < 0)
2508                                         {
2509                                         ret=0;
2510                                         goto err;
2511                                         }
2512                                 else if (i == 0)
2513                                         {
2514                                         ret=1;
2515                                         goto err;
2516                                         }
2517                                 }
2518                         else
2519                                 {
2520 again:
2521                                 i=SSL_read(con,(char *)buf,bufsize);
2522 #ifndef OPENSSL_NO_SRP
2523                                 while (SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2524                                         {
2525                                         BIO_printf(bio_s_out,"LOOKUP renego during read\n");
2526                                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2527                                         if (srp_callback_parm.user)
2528                                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2529                                         else
2530                                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2531                                         i=SSL_read(con,(char *)buf,bufsize);
2532                                         }
2533 #endif
2534                                 switch (SSL_get_error(con,i))
2535                                         {
2536                                 case SSL_ERROR_NONE:
2537 #ifdef CHARSET_EBCDIC
2538                                         ascii2ebcdic(buf,buf,i);
2539 #endif
2540                                         raw_write_stdout(buf,
2541                                                 (unsigned int)i);
2542                                         if (SSL_pending(con)) goto again;
2543                                         break;
2544                                 case SSL_ERROR_WANT_WRITE:
2545                                 case SSL_ERROR_WANT_READ:
2546                                         BIO_printf(bio_s_out,"Read BLOCK\n");
2547                                         break;
2548                                 case SSL_ERROR_SYSCALL:
2549                                 case SSL_ERROR_SSL:
2550                                         BIO_printf(bio_s_out,"ERROR\n");
2551                                         ERR_print_errors(bio_err);
2552                                         ret=1;
2553                                         goto err;
2554                                 case SSL_ERROR_ZERO_RETURN:
2555                                         BIO_printf(bio_s_out,"DONE\n");
2556                                         ret=1;
2557                                         goto err;
2558                                         }
2559                                 }
2560                         }
2561                 }
2562 err:
2563         if (con != NULL)
2564                 {
2565                 BIO_printf(bio_s_out,"shutting down SSL\n");
2566 #if 1
2567                 SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
2568 #else
2569                 SSL_shutdown(con);
2570 #endif
2571                 SSL_free(con);
2572                 }
2573         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
2574         if (buf != NULL)
2575                 {
2576                 OPENSSL_cleanse(buf,bufsize);
2577                 OPENSSL_free(buf);
2578                 }
2579         if (ret >= 0)
2580                 BIO_printf(bio_s_out,"ACCEPT\n");
2581         return(ret);
2582         }
2583
2584 static void close_accept_socket(void)
2585         {
2586         BIO_printf(bio_err,"shutdown accept socket\n");
2587         if (accept_socket >= 0)
2588                 {
2589                 SHUTDOWN2(accept_socket);
2590                 }
2591         }
2592
2593 static int init_ssl_connection(SSL *con)
2594         {
2595         int i;
2596         const char *str;
2597         X509 *peer;
2598         long verify_error;
2599         MS_STATIC char buf[BUFSIZ];
2600 #ifndef OPENSSL_NO_KRB5
2601         char *client_princ;
2602 #endif
2603 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2604         const unsigned char *next_proto_neg;
2605         unsigned next_proto_neg_len;
2606 #endif
2607         unsigned char *exportedkeymat;
2608
2609
2610         i=SSL_accept(con);
2611 #ifdef CERT_CB_TEST_RETRY
2612         {
2613         while (i <= 0 && SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C)
2614                 {
2615                 fprintf(stderr, "LOOKUP from certificate callback during accept\n");
2616                 i=SSL_accept(con);
2617                 }
2618         }
2619 #endif
2620 #ifndef OPENSSL_NO_SRP
2621         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2622                 {
2623                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2624                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2625                         if (srp_callback_parm.user)
2626                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2627                         else
2628                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2629                         i=SSL_accept(con);
2630                 }
2631 #endif
2632
2633         if (i <= 0)
2634                 {
2635                 if (BIO_sock_should_retry(i))
2636                         {
2637                         BIO_printf(bio_s_out,"DELAY\n");
2638                         return(1);
2639                         }
2640
2641                 BIO_printf(bio_err,"ERROR\n");
2642                 verify_error=SSL_get_verify_result(con);
2643                 if (verify_error != X509_V_OK)
2644                         {
2645                         BIO_printf(bio_err,"verify error:%s\n",
2646                                 X509_verify_cert_error_string(verify_error));
2647                         }
2648                 /* Always print any error messages */
2649                 ERR_print_errors(bio_err);
2650                 return(0);
2651                 }
2652
2653         if (s_brief)
2654                 print_ssl_summary(bio_err, con);
2655
2656         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
2657
2658         peer=SSL_get_peer_certificate(con);
2659         if (peer != NULL)
2660                 {
2661                 BIO_printf(bio_s_out,"Client certificate\n");
2662                 PEM_write_bio_X509(bio_s_out,peer);
2663                 X509_NAME_oneline(X509_get_subject_name(peer),buf,sizeof buf);
2664                 BIO_printf(bio_s_out,"subject=%s\n",buf);
2665                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,sizeof buf);
2666                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
2667                 X509_free(peer);
2668                 }
2669
2670         if (SSL_get_shared_ciphers(con,buf,sizeof buf) != NULL)
2671                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
2672         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
2673         ssl_print_sigalgs(bio_s_out, con);
2674 #ifndef OPENSSL_NO_EC
2675         ssl_print_point_formats(bio_s_out, con);
2676         ssl_print_curves(bio_s_out, con, 0);
2677 #endif
2678         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
2679
2680 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2681         SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len);
2682         if (next_proto_neg)
2683                 {
2684                 BIO_printf(bio_s_out,"NEXTPROTO is ");
2685                 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len);
2686                 BIO_printf(bio_s_out, "\n");
2687                 }
2688 #endif
2689         {
2690         SRTP_PROTECTION_PROFILE *srtp_profile
2691           = SSL_get_selected_srtp_profile(con);
2692
2693         if(srtp_profile)
2694                 BIO_printf(bio_s_out,"SRTP Extension negotiated, profile=%s\n",
2695                            srtp_profile->name);
2696         }
2697         if (SSL_cache_hit(con)) BIO_printf(bio_s_out,"Reused session-id\n");
2698         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
2699                 TLS1_FLAGS_TLS_PADDING_BUG)
2700                 BIO_printf(bio_s_out,
2701                            "Peer has incorrect TLSv1 block padding\n");
2702 #ifndef OPENSSL_NO_KRB5
2703         client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con));
2704         if (client_princ != NULL)
2705                 {
2706                 BIO_printf(bio_s_out,"Kerberos peer principal is %s\n",
2707                                                                 client_princ);
2708                 }
2709 #endif /* OPENSSL_NO_KRB5 */
2710         BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n",
2711                       SSL_get_secure_renegotiation_support(con) ? "" : " NOT");
2712         if (keymatexportlabel != NULL)
2713                 {
2714                 BIO_printf(bio_s_out, "Keying material exporter:\n");
2715                 BIO_printf(bio_s_out, "    Label: '%s'\n", keymatexportlabel);
2716                 BIO_printf(bio_s_out, "    Length: %i bytes\n",
2717                            keymatexportlen);
2718                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2719                 if (exportedkeymat != NULL)
2720                         {
2721                         if (!SSL_export_keying_material(con, exportedkeymat,
2722                                                         keymatexportlen,
2723                                                         keymatexportlabel,
2724                                                         strlen(keymatexportlabel),
2725                                                         NULL, 0, 0))
2726                                 {
2727                                 BIO_printf(bio_s_out, "    Error\n");
2728                                 }
2729                         else
2730                                 {
2731                                 BIO_printf(bio_s_out, "    Keying material: ");
2732                                 for (i=0; i<keymatexportlen; i++)
2733                                         BIO_printf(bio_s_out, "%02X",
2734                                                    exportedkeymat[i]);
2735                                 BIO_printf(bio_s_out, "\n");
2736                                 }
2737                         OPENSSL_free(exportedkeymat);
2738                         }
2739                 }
2740
2741         return(1);
2742         }
2743
2744 #ifndef OPENSSL_NO_DH
2745 static DH *load_dh_param(const char *dhfile)
2746         {
2747         DH *ret=NULL;
2748         BIO *bio;
2749
2750         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
2751                 goto err;
2752         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
2753 err:
2754         if (bio != NULL) BIO_free(bio);
2755         return(ret);
2756         }
2757 #endif
2758 #ifndef OPENSSL_NO_KRB5
2759         char *client_princ;
2760 #endif
2761
2762 #if 0
2763 static int load_CA(SSL_CTX *ctx, char *file)
2764         {
2765         FILE *in;
2766         X509 *x=NULL;
2767
2768         if ((in=fopen(file,"r")) == NULL)
2769                 return(0);
2770
2771         for (;;)
2772                 {
2773                 if (PEM_read_X509(in,&x,NULL) == NULL)
2774                         break;
2775                 SSL_CTX_add_client_CA(ctx,x);
2776                 }
2777         if (x != NULL) X509_free(x);
2778         fclose(in);
2779         return(1);
2780         }
2781 #endif
2782
2783 static int www_body(char *hostname, int s, int stype, unsigned char *context)
2784         {
2785         char *buf=NULL;
2786         int ret=1;
2787         int i,j,k,dot;
2788         SSL *con;
2789         const SSL_CIPHER *c;
2790         BIO *io,*ssl_bio,*sbio;
2791 #ifndef OPENSSL_NO_KRB5
2792         KSSL_CTX *kctx;
2793 #endif
2794
2795         buf=OPENSSL_malloc(bufsize);
2796         if (buf == NULL) return(0);
2797         io=BIO_new(BIO_f_buffer());
2798         ssl_bio=BIO_new(BIO_f_ssl());
2799         if ((io == NULL) || (ssl_bio == NULL)) goto err;
2800
2801 #ifdef FIONBIO
2802         if (s_nbio)
2803                 {
2804                 unsigned long sl=1;
2805
2806                 if (!s_quiet)
2807                         BIO_printf(bio_err,"turning on non blocking io\n");
2808                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
2809                         ERR_print_errors(bio_err);
2810                 }
2811 #endif
2812
2813         /* lets make the output buffer a reasonable size */
2814         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
2815
2816         if ((con=SSL_new(ctx)) == NULL) goto err;
2817 #ifndef OPENSSL_NO_TLSEXT
2818                 if (s_tlsextdebug)
2819                         {
2820                         SSL_set_tlsext_debug_callback(con, tlsext_cb);
2821                         SSL_set_tlsext_debug_arg(con, bio_s_out);
2822                         }
2823 #endif
2824 #ifndef OPENSSL_NO_KRB5
2825         if ((kctx = kssl_ctx_new()) != NULL)
2826                 {
2827                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
2828                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
2829                 }
2830 #endif  /* OPENSSL_NO_KRB5 */
2831         if(context) SSL_set_session_id_context(con, context,
2832                                                strlen((char *)context));
2833
2834         sbio=BIO_new_socket(s,BIO_NOCLOSE);
2835         if (s_nbio_test)
2836                 {
2837                 BIO *test;
2838
2839                 test=BIO_new(BIO_f_nbio_test());
2840                 sbio=BIO_push(test,sbio);
2841                 }
2842         SSL_set_bio(con,sbio,sbio);
2843         SSL_set_accept_state(con);
2844
2845         /* SSL_set_fd(con,s); */
2846         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
2847         BIO_push(io,ssl_bio);
2848 #ifdef CHARSET_EBCDIC
2849         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
2850 #endif
2851
2852         if (s_debug)
2853                 {
2854                 SSL_set_debug(con, 1);
2855                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
2856                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
2857                 }
2858         if (s_msg)
2859                 {
2860 #ifndef OPENSSL_NO_SSL_TRACE
2861                 if (s_msg == 2)
2862                         SSL_set_msg_callback(con, SSL_trace);
2863                 else
2864 #endif
2865                         SSL_set_msg_callback(con, msg_cb);
2866                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
2867                 }
2868
2869         for (;;)
2870                 {
2871                 if (hack)
2872                         {
2873                         i=SSL_accept(con);
2874 #ifndef OPENSSL_NO_SRP
2875                         while (i <= 0 &&  SSL_get_error(con,i) == SSL_ERROR_WANT_X509_LOOKUP)
2876                 {
2877                         BIO_printf(bio_s_out,"LOOKUP during accept %s\n",srp_callback_parm.login);
2878                         srp_callback_parm.user = SRP_VBASE_get_by_user(srp_callback_parm.vb, srp_callback_parm.login);
2879                         if (srp_callback_parm.user)
2880                                 BIO_printf(bio_s_out,"LOOKUP done %s\n",srp_callback_parm.user->info);
2881                         else
2882                                 BIO_printf(bio_s_out,"LOOKUP not successful\n");
2883                         i=SSL_accept(con);
2884                 }
2885 #endif
2886                         switch (SSL_get_error(con,i))
2887                                 {
2888                         case SSL_ERROR_NONE:
2889                                 break;
2890                         case SSL_ERROR_WANT_WRITE:
2891                         case SSL_ERROR_WANT_READ:
2892                         case SSL_ERROR_WANT_X509_LOOKUP:
2893                                 continue;
2894                         case SSL_ERROR_SYSCALL:
2895                         case SSL_ERROR_SSL:
2896                         case SSL_ERROR_ZERO_RETURN:
2897                                 ret=1;
2898                                 goto err;
2899                                 /* break; */
2900                                 }
2901
2902                         SSL_renegotiate(con);
2903                         SSL_write(con,NULL,0);
2904                         }
2905
2906                 i=BIO_gets(io,buf,bufsize-1);
2907                 if (i < 0) /* error */
2908                         {
2909                         if (!BIO_should_retry(io))
2910                                 {
2911                                 if (!s_quiet)
2912                                         ERR_print_errors(bio_err);
2913                                 goto err;
2914                                 }
2915                         else
2916                                 {
2917                                 BIO_printf(bio_s_out,"read R BLOCK\n");
2918 #if defined(OPENSSL_SYS_NETWARE)
2919             delay(1000);
2920 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
2921                                 sleep(1);
2922 #endif
2923                                 continue;
2924                                 }
2925                         }
2926                 else if (i == 0) /* end of input */
2927                         {
2928                         ret=1;
2929                         goto end;
2930                         }
2931
2932                 /* else we have data */
2933                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
2934                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
2935                         {
2936                         char *p;
2937                         X509 *peer;
2938                         STACK_OF(SSL_CIPHER) *sk;
2939                         static const char *space="                          ";
2940
2941                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
2942                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
2943                         BIO_puts(io,"<pre>\n");
2944 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
2945                         BIO_puts(io,"\n");
2946                         for (i=0; i<local_argc; i++)
2947                                 {
2948                                 BIO_puts(io,local_argv[i]);
2949                                 BIO_write(io," ",1);
2950                                 }
2951                         BIO_puts(io,"\n");
2952
2953                         BIO_printf(io,
2954                                 "Secure Renegotiation IS%s supported\n",
2955                                 SSL_get_secure_renegotiation_support(con) ?
2956                                                         "" : " NOT");
2957
2958                         /* The following is evil and should not really
2959                          * be done */
2960                         BIO_printf(io,"Ciphers supported in s_server binary\n");
2961                         sk=SSL_get_ciphers(con);
2962                         j=sk_SSL_CIPHER_num(sk);
2963                         for (i=0; i<j; i++)
2964                                 {
2965                                 c=sk_SSL_CIPHER_value(sk,i);
2966                                 BIO_printf(io,"%-11s:%-25s",
2967                                         SSL_CIPHER_get_version(c),
2968                                         SSL_CIPHER_get_name(c));
2969                                 if ((((i+1)%2) == 0) && (i+1 != j))
2970                                         BIO_puts(io,"\n");
2971                                 }
2972                         BIO_puts(io,"\n");
2973                         p=SSL_get_shared_ciphers(con,buf,bufsize);
2974                         if (p != NULL)
2975                                 {
2976                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
2977                                 j=i=0;
2978                                 while (*p)
2979                                         {
2980                                         if (*p == ':')
2981                                                 {
2982                                                 BIO_write(io,space,26-j);
2983                                                 i++;
2984                                                 j=0;
2985                                                 BIO_write(io,((i%3)?" ":"\n"),1);
2986                                                 }
2987                                         else
2988                                                 {
2989                                                 BIO_write(io,p,1);
2990                                                 j++;
2991                                                 }
2992                                         p++;
2993                                         }
2994                                 BIO_puts(io,"\n");
2995                                 }
2996                         ssl_print_sigalgs(io, con);
2997 #ifndef OPENSSL_NO_EC
2998                         ssl_print_curves(io, con, 0);
2999 #endif
3000                         BIO_printf(io,(SSL_cache_hit(con)
3001                                 ?"---\nReused, "
3002                                 :"---\nNew, "));
3003                         c=SSL_get_current_cipher(con);
3004                         BIO_printf(io,"%s, Cipher is %s\n",
3005                                 SSL_CIPHER_get_version(c),
3006                                 SSL_CIPHER_get_name(c));
3007                         SSL_SESSION_print(io,SSL_get_session(con));
3008                         BIO_printf(io,"---\n");
3009                         print_stats(io,SSL_get_SSL_CTX(con));
3010                         BIO_printf(io,"---\n");
3011                         peer=SSL_get_peer_certificate(con);
3012                         if (peer != NULL)
3013                                 {
3014                                 BIO_printf(io,"Client certificate\n");
3015                                 X509_print(io,peer);
3016                                 PEM_write_bio_X509(io,peer);
3017                                 }
3018                         else
3019                                 BIO_puts(io,"no client certificate available\n");
3020                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
3021                         break;
3022                         }
3023                 else if ((www == 2 || www == 3)
3024                          && (strncmp("GET /",buf,5) == 0))
3025                         {
3026                         BIO *file;
3027                         char *p,*e;
3028                         static const char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
3029
3030                         /* skip the '/' */
3031                         p= &(buf[5]);
3032
3033                         dot = 1;
3034                         for (e=p; *e != '\0'; e++)
3035                                 {
3036                                 if (e[0] == ' ')
3037                                         break;
3038
3039                                 switch (dot)
3040                                         {
3041                                 case 1:
3042                                         dot = (e[0] == '.') ? 2 : 0;
3043                                         break;
3044                                 case 2:
3045                                         dot = (e[0] == '.') ? 3 : 0;
3046                                         break;
3047                                 case 3:
3048                                         dot = (e[0] == '/') ? -1 : 0;
3049                                         break;
3050                                         }
3051                                 if (dot == 0)
3052                                         dot = (e[0] == '/') ? 1 : 0;
3053                                 }
3054                         dot = (dot == 3) || (dot == -1); /* filename contains ".." component */
3055
3056                         if (*e == '\0')
3057                                 {
3058                                 BIO_puts(io,text);
3059                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
3060                                 break;
3061                                 }
3062                         *e='\0';
3063
3064                         if (dot)
3065                                 {
3066                                 BIO_puts(io,text);
3067                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
3068                                 break;
3069                                 }
3070
3071                         if (*p == '/')
3072                                 {
3073                                 BIO_puts(io,text);
3074                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
3075                                 break;
3076                                 }
3077
3078 #if 0
3079                         /* append if a directory lookup */
3080                         if (e[-1] == '/')
3081                                 strcat(p,"index.html");
3082 #endif
3083
3084                         /* if a directory, do the index thang */
3085                         if (app_isdir(p)>0)
3086                                 {
3087 #if 0 /* must check buffer size */
3088                                 strcat(p,"/index.html");
3089 #else
3090                                 BIO_puts(io,text);
3091                                 BIO_printf(io,"'%s' is a directory\r\n",p);
3092                                 break;
3093 #endif
3094                                 }
3095
3096                         if ((file=BIO_new_file(p,"r")) == NULL)
3097                                 {
3098                                 BIO_puts(io,text);
3099                                 BIO_printf(io,"Error opening '%s'\r\n",p);
3100                                 ERR_print_errors(io);
3101                                 break;
3102                                 }
3103
3104                         if (!s_quiet)
3105                                 BIO_printf(bio_err,"FILE:%s\n",p);
3106
3107                         if (www == 2)
3108                                 {
3109                                 i=strlen(p);
3110                                 if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
3111                                         ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
3112                                         ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
3113                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
3114                                 else
3115                                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
3116                                 }
3117                         /* send the file */
3118                         for (;;)
3119                                 {
3120                                 i=BIO_read(file,buf,bufsize);
3121                                 if (i <= 0) break;
3122
3123 #ifdef RENEG
3124                                 total_bytes+=i;
3125                                 fprintf(stderr,"%d\n",i);
3126                                 if (total_bytes > 3*1024)
3127                                         {
3128                                         total_bytes=0;
3129                                         fprintf(stderr,"RENEGOTIATE\n");
3130                                         SSL_renegotiate(con);
3131                                         }
3132 #endif
3133
3134                                 for (j=0; j<i; )
3135                                         {
3136 #ifdef RENEG
3137 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
3138 #endif
3139                                         k=BIO_write(io,&(buf[j]),i-j);
3140                                         if (k <= 0)
3141                                                 {
3142                                                 if (!BIO_should_retry(io))
3143                                                         goto write_error;
3144                                                 else
3145                                                         {
3146                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
3147                                                         }
3148                                                 }
3149                                         else
3150                                                 {
3151                                                 j+=k;
3152                                                 }
3153                                         }
3154                                 }
3155 write_error:
3156                         BIO_free(file);
3157                         break;
3158                         }
3159                 }
3160
3161         for (;;)
3162                 {
3163                 i=(int)BIO_flush(io);
3164                 if (i <= 0)
3165                         {
3166                         if (!BIO_should_retry(io))
3167                                 break;
3168                         }
3169                 else
3170                         break;
3171                 }
3172 end:
3173 #if 1
3174         /* make sure we re-use sessions */
3175         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3176 #else
3177         /* This kills performance */
3178 /*      SSL_shutdown(con); A shutdown gets sent in the
3179  *      BIO_free_all(io) procession */
3180 #endif
3181
3182 err:
3183
3184         if (ret >= 0)
3185                 BIO_printf(bio_s_out,"ACCEPT\n");
3186
3187         if (buf != NULL) OPENSSL_free(buf);
3188         if (io != NULL) BIO_free_all(io);
3189 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
3190         return(ret);
3191         }
3192
3193 static int rev_body(char *hostname, int s, int stype, unsigned char *context)
3194         {
3195         char *buf=NULL;
3196         int i;
3197         int ret=1;
3198         SSL *con;
3199         BIO *io,*ssl_bio,*sbio;
3200 #ifndef OPENSSL_NO_KRB5
3201         KSSL_CTX *kctx;
3202 #endif
3203
3204         buf=OPENSSL_malloc(bufsize);
3205         if (buf == NULL) return(0);
3206         io=BIO_new(BIO_f_buffer());
3207         ssl_bio=BIO_new(BIO_f_ssl());
3208         if ((io == NULL) || (ssl_bio == NULL)) goto err;
3209
3210         /* lets make the output buffer a reasonable size */
3211         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
3212
3213         if ((con=SSL_new(ctx)) == NULL) goto err;
3214 #ifndef OPENSSL_NO_TLSEXT
3215         if (s_tlsextdebug)
3216                 {
3217                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
3218                 SSL_set_tlsext_debug_arg(con, bio_s_out);
3219                 }
3220 #endif
3221 #ifndef OPENSSL_NO_KRB5
3222         if ((kctx = kssl_ctx_new()) != NULL)
3223                 {
3224                 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC);
3225                 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB);
3226                 }
3227 #endif  /* OPENSSL_NO_KRB5 */
3228         if(context) SSL_set_session_id_context(con, context,
3229                                                strlen((char *)context));
3230
3231         sbio=BIO_new_socket(s,BIO_NOCLOSE);
3232         SSL_set_bio(con,sbio,sbio);
3233         SSL_set_accept_state(con);
3234
3235         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
3236         BIO_push(io,ssl_bio);
3237 #ifdef CHARSET_EBCDIC
3238         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
3239 #endif
3240
3241         if (s_debug)
3242                 {
3243                 SSL_set_debug(con, 1);
3244                 BIO_set_callback(SSL_get_rbio(con),bio_dump_callback);
3245                 BIO_set_callback_arg(SSL_get_rbio(con),(char *)bio_s_out);
3246                 }
3247         if (s_msg)
3248                 {
3249 #ifndef OPENSSL_NO_SSL_TRACE
3250                 if (s_msg == 2)
3251                         SSL_set_msg_callback(con, SSL_trace);
3252                 else
3253 #endif
3254                         SSL_set_msg_callback(con, msg_cb);
3255                 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out);
3256                 }
3257
3258         for (;;)
3259                 {
3260                 i = BIO_do_handshake(io);
3261                 if (i > 0)
3262                         break;
3263                 if (!BIO_should_retry(io))
3264                         {
3265                         BIO_puts(bio_err, "CONNECTION FAILURE\n");
3266                         ERR_print_errors(bio_err);
3267                         goto end;
3268                         }
3269                 }
3270         BIO_printf(bio_err, "CONNECTION ESTABLISHED\n");
3271         print_ssl_summary(bio_err, con);
3272
3273         for (;;)
3274                 {
3275                 i=BIO_gets(io,buf,bufsize-1);
3276                 if (i < 0) /* error */
3277                         {
3278                         if (!BIO_should_retry(io))
3279                                 {
3280                                 if (!s_quiet)
3281                                         ERR_print_errors(bio_err);
3282                                 goto err;
3283                                 }
3284                         else
3285                                 {
3286                                 BIO_printf(bio_s_out,"read R BLOCK\n");
3287 #if defined(OPENSSL_SYS_NETWARE)
3288             delay(1000);
3289 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__)
3290                                 sleep(1);
3291 #endif
3292                                 continue;
3293                                 }
3294                         }
3295                 else if (i == 0) /* end of input */
3296                         {
3297                         ret=1;
3298                         BIO_printf(bio_err, "CONNECTION CLOSED\n");
3299                         goto end;
3300                         }
3301                 else
3302                         {
3303                         char *p = buf + i - 1;
3304                         while(i && (*p == '\n' || *p == '\r'))
3305                                 {
3306                                 p--;
3307                                 i--;
3308                                 }
3309                         if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5))
3310                                 {
3311                                 ret = 1;
3312                                 BIO_printf(bio_err, "CONNECTION CLOSED\n");
3313                                 goto end;
3314                                 }
3315                         BUF_reverse((unsigned char *)buf, NULL, i);
3316                         buf[i] = '\n';
3317                         BIO_write(io, buf, i + 1);
3318                         for (;;)
3319                                 {
3320                                 i = BIO_flush(io);
3321                                 if (i > 0)
3322                                         break;
3323                                 if (!BIO_should_retry(io))
3324                                         goto end;
3325                                 }
3326                         }
3327                 }
3328 end:
3329         /* make sure we re-use sessions */
3330         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
3331
3332 err:
3333
3334         if (buf != NULL) OPENSSL_free(buf);
3335         if (io != NULL) BIO_free_all(io);
3336         return(ret);
3337         }
3338
3339 #ifndef OPENSSL_NO_RSA
3340 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
3341         {
3342         BIGNUM *bn = NULL;
3343         static RSA *rsa_tmp=NULL;
3344
3345         if (!rsa_tmp && ((bn = BN_new()) == NULL))
3346                 BIO_printf(bio_err,"Allocation error in generating RSA key\n");
3347         if (!rsa_tmp && bn)
3348                 {
3349                 if (!s_quiet)
3350                         {
3351                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
3352                         (void)BIO_flush(bio_err);
3353                         }
3354                 if(!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) ||
3355                                 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL))
3356                         {
3357                         if(rsa_tmp) RSA_free(rsa_tmp);
3358                         rsa_tmp = NULL;
3359                         }
3360                 if (!s_quiet)
3361                         {
3362                         BIO_printf(bio_err,"\n");
3363                         (void)BIO_flush(bio_err);
3364                         }
3365                 BN_free(bn);
3366                 }
3367         return(rsa_tmp);
3368         }
3369 #endif
3370
3371 #define MAX_SESSION_ID_ATTEMPTS 10
3372 static int generate_session_id(const SSL *ssl, unsigned char *id,
3373                                 unsigned int *id_len)
3374         {
3375         unsigned int count = 0;
3376         do      {
3377                 RAND_pseudo_bytes(id, *id_len);
3378                 /* Prefix the session_id with the required prefix. NB: If our
3379                  * prefix is too long, clip it - but there will be worse effects
3380                  * anyway, eg. the server could only possibly create 1 session
3381                  * ID (ie. the prefix!) so all future session negotiations will
3382                  * fail due to conflicts. */
3383                 memcpy(id, session_id_prefix,
3384                         (strlen(session_id_prefix) < *id_len) ?
3385                         strlen(session_id_prefix) : *id_len);
3386                 }
3387         while(SSL_has_matching_session_id(ssl, id, *id_len) &&
3388                 (++count < MAX_SESSION_ID_ATTEMPTS));
3389         if(count >= MAX_SESSION_ID_ATTEMPTS)
3390                 return 0;
3391         return 1;
3392         }
3393
3394 /* By default s_server uses an in-memory cache which caches SSL_SESSION
3395  * structures without any serialisation. This hides some bugs which only
3396  * become apparent in deployed servers. By implementing a basic external
3397  * session cache some issues can be debugged using s_server.
3398  */
3399
3400 typedef struct simple_ssl_session_st
3401         {
3402         unsigned char *id;
3403         unsigned int idlen;
3404         unsigned char *der;
3405         int derlen;
3406         struct simple_ssl_session_st *next;
3407         } simple_ssl_session;
3408
3409 static simple_ssl_session *first = NULL;
3410
3411 static int add_session(SSL *ssl, SSL_SESSION *session)
3412         {
3413         simple_ssl_session *sess;
3414         unsigned char *p;
3415
3416         sess = OPENSSL_malloc(sizeof(simple_ssl_session));
3417
3418         SSL_SESSION_get_id(session, &sess->idlen);
3419         sess->derlen = i2d_SSL_SESSION(session, NULL);
3420
3421         sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen);
3422
3423         sess->der = OPENSSL_malloc(sess->derlen);
3424         p = sess->der;
3425         i2d_SSL_SESSION(session, &p);
3426
3427         sess->next = first;
3428         first = sess;
3429         BIO_printf(bio_err, "New session added to external cache\n");
3430         return 0;
3431         }
3432
3433 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen,
3434                                         int *do_copy)
3435         {
3436         simple_ssl_session *sess;
3437         *do_copy = 0;
3438         for (sess = first; sess; sess = sess->next)
3439                 {
3440                 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen))
3441                         {
3442                         const unsigned char *p = sess->der;
3443                         BIO_printf(bio_err, "Lookup session: cache hit\n");
3444                         return d2i_SSL_SESSION(NULL, &p, sess->derlen);
3445                         }
3446                 }
3447         BIO_printf(bio_err, "Lookup session: cache miss\n");
3448         return NULL;
3449         }
3450
3451 static void del_session(SSL_CTX *sctx, SSL_SESSION *session)
3452         {
3453         simple_ssl_session *sess, *prev = NULL;
3454         const unsigned char *id;
3455         unsigned int idlen;
3456         id = SSL_SESSION_get_id(session, &idlen);
3457         for (sess = first; sess; sess = sess->next)
3458                 {
3459                 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen))
3460                         {
3461                         if(prev)
3462                                 prev->next = sess->next;
3463                         else
3464                                 first = sess->next;
3465                         OPENSSL_free(sess->id);
3466                         OPENSSL_free(sess->der);
3467                         OPENSSL_free(sess);
3468                         return;
3469                         }
3470                 prev = sess;
3471                 }
3472         }
3473
3474 static void init_session_cache_ctx(SSL_CTX *sctx)
3475         {
3476         SSL_CTX_set_session_cache_mode(sctx,
3477                         SSL_SESS_CACHE_NO_INTERNAL|SSL_SESS_CACHE_SERVER);
3478         SSL_CTX_sess_set_new_cb(sctx, add_session);
3479         SSL_CTX_sess_set_get_cb(sctx, get_session);
3480         SSL_CTX_sess_set_remove_cb(sctx, del_session);
3481         }
3482
3483 static void free_sessions(void)
3484         {
3485         simple_ssl_session *sess, *tsess;
3486         for (sess = first; sess;)
3487                 {
3488                 OPENSSL_free(sess->id);
3489                 OPENSSL_free(sess->der);
3490                 tsess = sess;
3491                 sess = sess->next;
3492                 OPENSSL_free(tsess);
3493                 }
3494         first = NULL;
3495         }
3496