apps/s_server.c

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