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 /* With IPv6, it looks like Digital has mixed up the proper order of
  60    recursive header file inclusion, resulting in the compiler complaining
  61    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
  62    is needed to have fileno() declared correctly...  So let's define u_int */
  63 #if defined(__DECC) && !defined(__U_INT)
  64 #define __U_INT
  65 typedef unsigned int u_int;
  66 #endif
  67
  68 #include <stdio.h>
  69 #include <stdlib.h>
  70 #include <string.h>
  71 #include <sys/types.h>
  72 #include <sys/stat.h>
  73 #ifdef NO_STDIO
  74 #define APPS_WIN16
  75 #endif
  76 #include <openssl/lhash.h>
  77 #include <openssl/bn.h>
  78 #define USE_SOCKETS
  79 #include "apps.h"
  80 #include <openssl/err.h>
  81 #include <openssl/pem.h>
  82 #include <openssl/x509.h>
  83 #include <openssl/ssl.h>
  84 #include "s_apps.h"
  85
  86 #if (defined(VMS) && __VMS_VER < 70000000)
  87 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
  88 #undef FIONBIO
  89 #endif
  90
  91 #if defined(NO_RSA) && !defined(NO_SSL2)
  92 #define NO_SSL2
  93 #endif
  94
  95 #ifndef NO_RSA
  96 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength);
  97 #endif
  98 static int sv_body(char *hostname, int s, unsigned char *context);
  99 static int www_body(char *hostname, int s, unsigned char *context);
 100 static void close_accept_socket(void );
 101 static void sv_usage(void);
 102 static int init_ssl_connection(SSL *s);
 103 static void print_stats(BIO *bp,SSL_CTX *ctx);
 104 #ifndef NO_DH
 105 static DH *load_dh_param(void );
 106 static DH *get_dh512(void);
 107 #endif
 108 /* static void s_server_init(void);*/
 109
 110 #ifndef S_ISDIR
 111 #if defined(VMS) && !defined(__DECC)
 112 #define S_ISDIR(a)      (((a) & S_IFMT) == S_IFDIR)
 113 #else
 114 #define S_ISDIR(a)      (((a) & _S_IFMT) == _S_IFDIR)
 115 #endif
 116 #endif
 117
 118 #ifndef NO_DH
 119 static unsigned char dh512_p[]={
 120         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 121         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 122         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 123         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 124         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 125         0x47,0x74,0xE8,0x33,
 126         };
 127 static unsigned char dh512_g[]={
 128         0x02,
 129         };
 130
 131 static DH *get_dh512(void)
 132         {
 133         DH *dh=NULL;
 134
 135         if ((dh=DH_new()) == NULL) return(NULL);
 136         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 137         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 138         if ((dh->p == NULL) || (dh->g == NULL))
 139                 return(NULL);
 140         return(dh);
 141         }
 142 #endif
 143
 144 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 145
 146 #undef BUFSIZZ
 147 #define BUFSIZZ 16*1024
 148 static int bufsize=32;
 149 static int accept_socket= -1;
 150
 151 #define TEST_CERT       "server.pem"
 152 #undef PROG
 153 #define PROG            s_server_main
 154
 155 #define DH_PARAM        "server.pem"
 156
 157 extern int verify_depth;
 158
 159 static char *cipher=NULL;
 160 static int s_server_verify=SSL_VERIFY_NONE;
 161 static int s_server_session_id_context = 1; /* anything will do */
 162 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 163 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 164 #ifdef FIONBIO
 165 static int s_nbio=0;
 166 #endif
 167 static int s_nbio_test=0;
 168 static SSL_CTX *ctx=NULL;
 169 static int www=0;
 170
 171 static BIO *bio_s_out=NULL;
 172 static int s_debug=0;
 173 static int s_quiet=0;
 174
 175 #if 0
 176 static void s_server_init(void)
 177         {
 178         cipher=NULL;
 179         s_server_verify=SSL_VERIFY_NONE;
 180         s_dcert_file=NULL;
 181         s_dkey_file=NULL;
 182         s_cert_file=TEST_CERT;
 183         s_key_file=NULL;
 184 #ifdef FIONBIO
 185         s_nbio=0;
 186 #endif
 187         s_nbio_test=0;
 188         ctx=NULL;
 189         www=0;
 190
 191         bio_s_out=NULL;
 192         s_debug=0;
 193         s_quiet=0;
 194         }
 195 #endif
 196
 197 static void sv_usage(void)
 198         {
 199         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 200         BIO_printf(bio_err,"\n");
 201         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 202         BIO_printf(bio_err," -context arg  - set session ID context\n");
 203         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 204         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 205         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 206         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 207         BIO_printf(bio_err," -key arg      - RSA file to use, PEM format assumed, in cert file if\n");
 208         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 209         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 210         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 211 #ifdef FIONBIO
 212         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 213 #endif
 214         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 215         BIO_printf(bio_err," -debug        - Print more output\n");
 216         BIO_printf(bio_err," -state        - Print the SSL states\n");
 217         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 218         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 219         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 220         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 221         BIO_printf(bio_err," -quiet        - No server output\n");
 222         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 223         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 224         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 225         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 226         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 227         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 228         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 229         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatability\n");
 230         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 231         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 232         }
 233
 234 static int local_argc=0;
 235 static char **local_argv;
 236 static int hack=0;
 237
 238 int MAIN(int argc, char *argv[])
 239         {
 240         short port=PORT;
 241         char *CApath=NULL,*CAfile=NULL;
 242         char *context = NULL;
 243         int badop=0,bugs=0;
 244         int ret=1;
 245         int off=0;
 246         int no_tmp_rsa=0,nocert=0;
 247         int state=0;
 248         SSL_METHOD *meth=NULL;
 249 #ifndef NO_DH
 250         DH *dh=NULL;
 251 #endif
 252
 253 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 254         meth=SSLv23_server_method();
 255 #elif !defined(NO_SSL3)
 256         meth=SSLv3_server_method();
 257 #elif !defined(NO_SSL2)
 258         meth=SSLv2_server_method();
 259 #endif
 260
 261         local_argc=argc;
 262         local_argv=argv;
 263
 264         apps_startup();
 265         s_quiet=0;
 266         s_debug=0;
 267
 268         if (bio_err == NULL)
 269                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 270
 271         verify_depth=0;
 272 #ifdef FIONBIO
 273         s_nbio=0;
 274 #endif
 275         s_nbio_test=0;
 276
 277         argc--;
 278         argv++;
 279
 280         while (argc >= 1)
 281                 {
 282                 if      ((strcmp(*argv,"-port") == 0) ||
 283                          (strcmp(*argv,"-accept") == 0))
 284                         {
 285                         if (--argc < 1) goto bad;
 286                         if (!extract_port(*(++argv),&port))
 287                                 goto bad;
 288                         }
 289                 else if (strcmp(*argv,"-verify") == 0)
 290                         {
 291                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 292                         if (--argc < 1) goto bad;
 293                         verify_depth=atoi(*(++argv));
 294                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 295                         }
 296                 else if (strcmp(*argv,"-Verify") == 0)
 297                         {
 298                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 299                                 SSL_VERIFY_CLIENT_ONCE;
 300                         if (--argc < 1) goto bad;
 301                         verify_depth=atoi(*(++argv));
 302                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 303                         }
 304                 else if (strcmp(*argv,"-context") == 0)
 305                         {
 306                         if (--argc < 1) goto bad;
 307                         context= *(++argv);
 308                         }
 309                 else if (strcmp(*argv,"-cert") == 0)
 310                         {
 311                         if (--argc < 1) goto bad;
 312                         s_cert_file= *(++argv);
 313                         }
 314                 else if (strcmp(*argv,"-key") == 0)
 315                         {
 316                         if (--argc < 1) goto bad;
 317                         s_key_file= *(++argv);
 318                         }
 319                 else if (strcmp(*argv,"-dcert") == 0)
 320                         {
 321                         if (--argc < 1) goto bad;
 322                         s_dcert_file= *(++argv);
 323                         }
 324                 else if (strcmp(*argv,"-dkey") == 0)
 325                         {
 326                         if (--argc < 1) goto bad;
 327                         s_dkey_file= *(++argv);
 328                         }
 329                 else if (strcmp(*argv,"-nocert") == 0)
 330                         {
 331                         nocert=1;
 332                         }
 333                 else if (strcmp(*argv,"-CApath") == 0)
 334                         {
 335                         if (--argc < 1) goto bad;
 336                         CApath= *(++argv);
 337                         }
 338                 else if (strcmp(*argv,"-cipher") == 0)
 339                         {
 340                         if (--argc < 1) goto bad;
 341                         cipher= *(++argv);
 342                         }
 343                 else if (strcmp(*argv,"-CAfile") == 0)
 344                         {
 345                         if (--argc < 1) goto bad;
 346                         CAfile= *(++argv);
 347                         }
 348 #ifdef FIONBIO
 349                 else if (strcmp(*argv,"-nbio") == 0)
 350                         { s_nbio=1; }
 351 #endif
 352                 else if (strcmp(*argv,"-nbio_test") == 0)
 353                         {
 354 #ifdef FIONBIO
 355                         s_nbio=1;
 356 #endif
 357                         s_nbio_test=1;
 358                         }
 359                 else if (strcmp(*argv,"-debug") == 0)
 360                         { s_debug=1; }
 361                 else if (strcmp(*argv,"-hack") == 0)
 362                         { hack=1; }
 363                 else if (strcmp(*argv,"-state") == 0)
 364                         { state=1; }
 365                 else if (strcmp(*argv,"-quiet") == 0)
 366                         { s_quiet=1; }
 367                 else if (strcmp(*argv,"-bugs") == 0)
 368                         { bugs=1; }
 369                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
 370                         { no_tmp_rsa=1; }
 371                 else if (strcmp(*argv,"-www") == 0)
 372                         { www=1; }
 373                 else if (strcmp(*argv,"-WWW") == 0)
 374                         { www=2; }
 375                 else if (strcmp(*argv,"-no_ssl2") == 0)
 376                         { off|=SSL_OP_NO_SSLv2; }
 377                 else if (strcmp(*argv,"-no_ssl3") == 0)
 378                         { off|=SSL_OP_NO_SSLv3; }
 379                 else if (strcmp(*argv,"-no_tls1") == 0)
 380                         { off|=SSL_OP_NO_TLSv1; }
 381 #ifndef NO_SSL2
 382                 else if (strcmp(*argv,"-ssl2") == 0)
 383                         { meth=SSLv2_server_method(); }
 384 #endif
 385 #ifndef NO_SSL3
 386                 else if (strcmp(*argv,"-ssl3") == 0)
 387                         { meth=SSLv3_server_method(); }
 388 #endif
 389 #ifndef NO_TLS1
 390                 else if (strcmp(*argv,"-tls1") == 0)
 391                         { meth=TLSv1_server_method(); }
 392 #endif
 393                 else
 394                         {
 395                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 396                         badop=1;
 397                         break;
 398                         }
 399                 argc--;
 400                 argv++;
 401                 }
 402         if (badop)
 403                 {
 404 bad:
 405                 sv_usage();
 406                 goto end;
 407                 }
 408
 409         if (bio_s_out == NULL)
 410                 {
 411                 if (s_quiet && !s_debug)
 412                         {
 413                         bio_s_out=BIO_new(BIO_s_null());
 414                         }
 415                 else
 416                         {
 417                         if (bio_s_out == NULL)
 418                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 419                         }
 420                 }
 421
 422 #if !defined(NO_RSA) || !defined(NO_DSA)
 423         if (nocert)
 424 #endif
 425                 {
 426                 s_cert_file=NULL;
 427                 s_key_file=NULL;
 428                 s_dcert_file=NULL;
 429                 s_dkey_file=NULL;
 430                 }
 431
 432         SSL_load_error_strings();
 433         SSLeay_add_ssl_algorithms();
 434
 435         ctx=SSL_CTX_new(meth);
 436         if (ctx == NULL)
 437                 {
 438                 ERR_print_errors(bio_err);
 439                 goto end;
 440                 }
 441
 442         SSL_CTX_set_quiet_shutdown(ctx,1);
 443         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
 444         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
 445         SSL_CTX_set_options(ctx,off);
 446         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
 447
 448         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 449
 450         SSL_CTX_sess_set_cache_size(ctx,128);
 451
 452 #if 0
 453         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
 454 #endif
 455
 456 #if 0
 457         if (s_cert_file == NULL)
 458                 {
 459                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
 460                 goto end;
 461                 }
 462 #endif
 463
 464         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 465                 (!SSL_CTX_set_default_verify_paths(ctx)))
 466                 {
 467                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
 468                 ERR_print_errors(bio_err);
 469                 /* goto end; */
 470                 }
 471
 472 #ifndef NO_DH
 473         /* EAY EAY EAY evil hack */
 474         dh=load_dh_param();
 475         if (dh != NULL)
 476                 {
 477                 BIO_printf(bio_s_out,"Setting temp DH parameters\n");
 478                 }
 479         else
 480                 {
 481                 BIO_printf(bio_s_out,"Using default temp DH parameters\n");
 482                 dh=get_dh512();
 483                 }
 484         BIO_flush(bio_s_out);
 485
 486         SSL_CTX_set_tmp_dh(ctx,dh);
 487         DH_free(dh);
 488 #endif
 489
 490         if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
 491                 goto end;
 492         if (s_dcert_file != NULL)
 493                 {
 494                 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
 495                         goto end;
 496                 }
 497
 498 #ifndef NO_RSA
 499 #if 1
 500         SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
 501 #else
 502         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
 503                 {
 504                 RSA *rsa;
 505
 506                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
 507                 BIO_flush(bio_s_out);
 508
 509                 rsa=RSA_generate_key(512,RSA_F4,NULL);
 510
 511                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
 512                         {
 513                         ERR_print_errors(bio_err);
 514                         goto end;
 515                         }
 516                 RSA_free(rsa);
 517                 BIO_printf(bio_s_out,"\n");
 518                 }
 519 #endif
 520 #endif
 521
 522         if (cipher != NULL)
 523                 SSL_CTX_set_cipher_list(ctx,cipher);
 524         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
 525         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
 526                 sizeof s_server_session_id_context);
 527
 528         SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
 529
 530         BIO_printf(bio_s_out,"ACCEPT\n");
 531         if (www)
 532                 do_server(port,&accept_socket,www_body, context);
 533         else
 534                 do_server(port,&accept_socket,sv_body, context);
 535         print_stats(bio_s_out,ctx);
 536         ret=0;
 537 end:
 538         if (ctx != NULL) SSL_CTX_free(ctx);
 539         if (bio_s_out != NULL)
 540                 {
 541                 BIO_free(bio_s_out);
 542                 bio_s_out=NULL;
 543                 }
 544         EXIT(ret);
 545         }
 546
 547 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
 548         {
 549         BIO_printf(bio,"%4ld items in the session cache\n",
 550                 SSL_CTX_sess_number(ssl_ctx));
 551         BIO_printf(bio,"%4d client connects (SSL_connect())\n",
 552                 SSL_CTX_sess_connect(ssl_ctx));
 553         BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
 554                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
 555         BIO_printf(bio,"%4d client connects that finished\n",
 556                 SSL_CTX_sess_connect_good(ssl_ctx));
 557         BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
 558                 SSL_CTX_sess_accept(ssl_ctx));
 559         BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
 560                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
 561         BIO_printf(bio,"%4d server accepts that finished\n",
 562                 SSL_CTX_sess_accept_good(ssl_ctx));
 563         BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
 564         BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
 565         BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
 566         BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
 567         BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
 568                 SSL_CTX_sess_cache_full(ssl_ctx),
 569                 SSL_CTX_sess_get_cache_size(ssl_ctx));
 570         }
 571
 572 static int sv_body(char *hostname, int s, unsigned char *context)
 573         {
 574         char *buf=NULL;
 575         fd_set readfds;
 576         int ret=1,width;
 577         int k,i;
 578         unsigned long l;
 579         SSL *con=NULL;
 580         BIO *sbio;
 581
 582         if ((buf=Malloc(bufsize)) == NULL)
 583                 {
 584                 BIO_printf(bio_err,"out of memory\n");
 585                 goto err;
 586                 }
 587 #ifdef FIONBIO
 588         if (s_nbio)
 589                 {
 590                 unsigned long sl=1;
 591
 592                 if (!s_quiet)
 593                         BIO_printf(bio_err,"turning on non blocking io\n");
 594                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
 595                         ERR_print_errors(bio_err);
 596                 }
 597 #endif
 598
 599         if (con == NULL) {
 600                 con=(SSL *)SSL_new(ctx);
 601                 if(context)
 602                       SSL_set_session_id_context(con, context,
 603                                                  strlen((char *)context));
 604         }
 605         SSL_clear(con);
 606
 607         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 608         if (s_nbio_test)
 609                 {
 610                 BIO *test;
 611
 612                 test=BIO_new(BIO_f_nbio_test());
 613                 sbio=BIO_push(test,sbio);
 614                 }
 615         SSL_set_bio(con,sbio,sbio);
 616         SSL_set_accept_state(con);
 617         /* SSL_set_fd(con,s); */
 618
 619         if (s_debug)
 620                 {
 621                 con->debug=1;
 622                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
 623                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
 624                 }
 625
 626         width=s+1;
 627         for (;;)
 628                 {
 629                 FD_ZERO(&readfds);
 630 #ifndef WINDOWS
 631                 FD_SET(fileno(stdin),&readfds);
 632 #endif
 633                 FD_SET(s,&readfds);
 634                 /* Note: under VMS with SOCKETSHR the second parameter is
 635                  * currently of type (int *) whereas under other systems
 636                  * it is (void *) if you don't have a cast it will choke
 637                  * the compiler: if you do have a cast then you can either
 638                  * go for (int *) or (void *).
 639                  */
 640                 i=select(width,(void *)&readfds,NULL,NULL,NULL);
 641                 if (i <= 0) continue;
 642                 if (FD_ISSET(fileno(stdin),&readfds))
 643                         {
 644                         i=read(fileno(stdin),buf,bufsize);
 645                         if (!s_quiet)
 646                                 {
 647                                 if ((i <= 0) || (buf[0] == 'Q'))
 648                                         {
 649                                         BIO_printf(bio_s_out,"DONE\n");
 650                                         SHUTDOWN(s);
 651                                         close_accept_socket();
 652                                         ret= -11;
 653                                         goto err;
 654                                         }
 655                                 if ((i <= 0) || (buf[0] == 'q'))
 656                                         {
 657                                         BIO_printf(bio_s_out,"DONE\n");
 658                                         SHUTDOWN(s);
 659         /*                              close_accept_socket();
 660                                         ret= -11;*/
 661                                         goto err;
 662                                         }
 663                                 if ((buf[0] == 'r') &&
 664                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 665                                         {
 666                                         SSL_renegotiate(con);
 667                                         i=SSL_do_handshake(con);
 668                                         printf("SSL_do_handshake -> %d\n",i);
 669                                         i=0; /*13; */
 670                                         continue;
 671                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
 672                                         }
 673                                 if ((buf[0] == 'R') &&
 674                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 675                                         {
 676                                         SSL_set_verify(con,
 677                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
 678                                         SSL_renegotiate(con);
 679                                         i=SSL_do_handshake(con);
 680                                         printf("SSL_do_handshake -> %d\n",i);
 681                                         i=0; /* 13; */
 682                                         continue;
 683                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
 684                                         }
 685                                 if (buf[0] == 'P')
 686                                         {
 687                                         static char *str="Lets print some clear text\n";
 688                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
 689                                         }
 690                                 if (buf[0] == 'S')
 691                                         {
 692                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
 693                                         }
 694                                 }
 695                         l=k=0;
 696                         for (;;)
 697                                 {
 698                                 /* should do a select for the write */
 699 #ifdef RENEG
 700 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
 701 #endif
 702                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
 703                                 switch (SSL_get_error(con,k))
 704                                         {
 705                                 case SSL_ERROR_NONE:
 706                                         break;
 707                                 case SSL_ERROR_WANT_WRITE:
 708                                 case SSL_ERROR_WANT_READ:
 709                                 case SSL_ERROR_WANT_X509_LOOKUP:
 710                                         BIO_printf(bio_s_out,"Write BLOCK\n");
 711                                         break;
 712                                 case SSL_ERROR_SYSCALL:
 713                                 case SSL_ERROR_SSL:
 714                                         BIO_printf(bio_s_out,"ERROR\n");
 715                                         ERR_print_errors(bio_err);
 716                                         ret=1;
 717                                         goto err;
 718                                         /* break; */
 719                                 case SSL_ERROR_ZERO_RETURN:
 720                                         BIO_printf(bio_s_out,"DONE\n");
 721                                         ret=1;
 722                                         goto err;
 723                                         }
 724                                 l+=k;
 725                                 i-=k;
 726                                 if (i <= 0) break;
 727                                 }
 728                         }
 729                 if (FD_ISSET(s,&readfds))
 730                         {
 731                         if (!SSL_is_init_finished(con))
 732                                 {
 733                                 i=init_ssl_connection(con);
 734
 735                                 if (i < 0)
 736                                         {
 737                                         ret=0;
 738                                         goto err;
 739                                         }
 740                                 else if (i == 0)
 741                                         {
 742                                         ret=1;
 743                                         goto err;
 744                                         }
 745                                 }
 746                         else
 747                                 {
 748 again:
 749                                 i=SSL_read(con,(char *)buf,bufsize);
 750                                 switch (SSL_get_error(con,i))
 751                                         {
 752                                 case SSL_ERROR_NONE:
 753                                         write(fileno(stdout),buf,
 754                                                 (unsigned int)i);
 755                                         if (SSL_pending(con)) goto again;
 756                                         break;
 757                                 case SSL_ERROR_WANT_WRITE:
 758                                 case SSL_ERROR_WANT_READ:
 759                                 case SSL_ERROR_WANT_X509_LOOKUP:
 760                                         BIO_printf(bio_s_out,"Read BLOCK\n");
 761                                         break;
 762                                 case SSL_ERROR_SYSCALL:
 763                                 case SSL_ERROR_SSL:
 764                                         BIO_printf(bio_s_out,"ERROR\n");
 765                                         ERR_print_errors(bio_err);
 766                                         ret=1;
 767                                         goto err;
 768                                 case SSL_ERROR_ZERO_RETURN:
 769                                         BIO_printf(bio_s_out,"DONE\n");
 770                                         ret=1;
 771                                         goto err;
 772                                         }
 773                                 }
 774                         }
 775                 }
 776 err:
 777         BIO_printf(bio_s_out,"shutting down SSL\n");
 778 #if 1
 779         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 780 #else
 781         SSL_shutdown(con);
 782 #endif
 783         if (con != NULL) SSL_free(con);
 784         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
 785         if (buf != NULL)
 786                 {
 787                 memset(buf,0,bufsize);
 788                 Free(buf);
 789                 }
 790         if (ret >= 0)
 791                 BIO_printf(bio_s_out,"ACCEPT\n");
 792         return(ret);
 793         }
 794
 795 static void close_accept_socket(void)
 796         {
 797         BIO_printf(bio_err,"shutdown accept socket\n");
 798         if (accept_socket >= 0)
 799                 {
 800                 SHUTDOWN2(accept_socket);
 801                 }
 802         }
 803
 804 static int init_ssl_connection(SSL *con)
 805         {
 806         int i;
 807         const char *str;
 808         X509 *peer;
 809         long verify_error;
 810         MS_STATIC char buf[BUFSIZ];
 811
 812         if ((i=SSL_accept(con)) <= 0)
 813                 {
 814                 if (BIO_sock_should_retry(i))
 815                         {
 816                         BIO_printf(bio_s_out,"DELAY\n");
 817                         return(1);
 818                         }
 819
 820                 BIO_printf(bio_err,"ERROR\n");
 821                 verify_error=SSL_get_verify_result(con);
 822                 if (verify_error != X509_V_OK)
 823                         {
 824                         BIO_printf(bio_err,"verify error:%s\n",
 825                                 X509_verify_cert_error_string(verify_error));
 826                         }
 827                 else
 828                         ERR_print_errors(bio_err);
 829                 return(0);
 830                 }
 831
 832         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
 833
 834         peer=SSL_get_peer_certificate(con);
 835         if (peer != NULL)
 836                 {
 837                 BIO_printf(bio_s_out,"Client certificate\n");
 838                 PEM_write_bio_X509(bio_s_out,peer);
 839                 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
 840                 BIO_printf(bio_s_out,"subject=%s\n",buf);
 841                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
 842                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
 843                 X509_free(peer);
 844                 }
 845
 846         if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
 847                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
 848         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
 849         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
 850         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
 851         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
 852                 TLS1_FLAGS_TLS_PADDING_BUG)
 853                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
 854
 855         return(1);
 856         }
 857
 858 #ifndef NO_DH
 859 static DH *load_dh_param(void)
 860         {
 861         DH *ret=NULL;
 862         BIO *bio;
 863
 864         if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
 865                 goto err;
 866         ret=PEM_read_bio_DHparams(bio,NULL,NULL);
 867 err:
 868         if (bio != NULL) BIO_free(bio);
 869         return(ret);
 870         }
 871 #endif
 872
 873 #if 0
 874 static int load_CA(SSL_CTX *ctx, char *file)
 875         {
 876         FILE *in;
 877         X509 *x=NULL;
 878
 879         if ((in=fopen(file,"r")) == NULL)
 880                 return(0);
 881
 882         for (;;)
 883                 {
 884                 if (PEM_read_X509(in,&x,NULL) == NULL)
 885                         break;
 886                 SSL_CTX_add_client_CA(ctx,x);
 887                 }
 888         if (x != NULL) X509_free(x);
 889         fclose(in);
 890         return(1);
 891         }
 892 #endif
 893
 894 static int www_body(char *hostname, int s, unsigned char *context)
 895         {
 896         char *buf=NULL;
 897         int ret=1;
 898         int i,j,k,blank,dot;
 899         struct stat st_buf;
 900         SSL *con;
 901         SSL_CIPHER *c;
 902         BIO *io,*ssl_bio,*sbio;
 903         long total_bytes;
 904
 905         buf=Malloc(bufsize);
 906         if (buf == NULL) return(0);
 907         io=BIO_new(BIO_f_buffer());
 908         ssl_bio=BIO_new(BIO_f_ssl());
 909         if ((io == NULL) || (ssl_bio == NULL)) goto err;
 910
 911 #ifdef FIONBIO
 912         if (s_nbio)
 913                 {
 914                 unsigned long sl=1;
 915
 916                 if (!s_quiet)
 917                         BIO_printf(bio_err,"turning on non blocking io\n");
 918                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
 919                         ERR_print_errors(bio_err);
 920                 }
 921 #endif
 922
 923         /* lets make the output buffer a reasonable size */
 924         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
 925
 926         if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
 927         if(context) SSL_set_session_id_context(con, context,
 928                                                strlen((char *)context));
 929
 930         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 931         if (s_nbio_test)
 932                 {
 933                 BIO *test;
 934
 935                 test=BIO_new(BIO_f_nbio_test());
 936                 sbio=BIO_push(test,sbio);
 937                 }
 938         SSL_set_bio(con,sbio,sbio);
 939         SSL_set_accept_state(con);
 940
 941         /* SSL_set_fd(con,s); */
 942         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
 943         BIO_push(io,ssl_bio);
 944
 945         if (s_debug)
 946                 {
 947                 con->debug=1;
 948                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
 949                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
 950                 }
 951
 952         blank=0;
 953         for (;;)
 954                 {
 955                 if (hack)
 956                         {
 957                         i=SSL_accept(con);
 958
 959                         switch (SSL_get_error(con,i))
 960                                 {
 961                         case SSL_ERROR_NONE:
 962                                 break;
 963                         case SSL_ERROR_WANT_WRITE:
 964                         case SSL_ERROR_WANT_READ:
 965                         case SSL_ERROR_WANT_X509_LOOKUP:
 966                                 continue;
 967                         case SSL_ERROR_SYSCALL:
 968                         case SSL_ERROR_SSL:
 969                         case SSL_ERROR_ZERO_RETURN:
 970                                 ret=1;
 971                                 goto err;
 972                                 /* break; */
 973                                 }
 974
 975                         SSL_renegotiate(con);
 976                         SSL_write(con,NULL,0);
 977                         }
 978
 979                 i=BIO_gets(io,buf,bufsize-1);
 980                 if (i < 0) /* error */
 981                         {
 982                         if (!BIO_should_retry(io))
 983                                 {
 984                                 if (!s_quiet)
 985                                         ERR_print_errors(bio_err);
 986                                 goto err;
 987                                 }
 988                         else
 989                                 {
 990                                 BIO_printf(bio_s_out,"read R BLOCK\n");
 991 #ifndef MSDOS
 992                                 sleep(1);
 993 #endif
 994                                 continue;
 995                                 }
 996                         }
 997                 else if (i == 0) /* end of input */
 998                         {
 999                         ret=1;
1000                         goto end;
1001                         }
1002
1003                 /* else we have data */
1004                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1005                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1006                         {
1007                         char *p;
1008                         X509 *peer;
1009                         STACK_OF(SSL_CIPHER) *sk;
1010                         static char *space="                          ";
1011
1012                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1013                         BIO_puts(io,"<HTML><BODY BGCOLOR=ffffff>\n");
1014                         BIO_puts(io,"<pre>\n");
1015 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1016                         BIO_puts(io,"\n");
1017                         for (i=0; i<local_argc; i++)
1018                                 {
1019                                 BIO_puts(io,local_argv[i]);
1020                                 BIO_write(io," ",1);
1021                                 }
1022                         BIO_puts(io,"\n");
1023
1024                         /* The following is evil and should not really
1025                          * be done */
1026                         BIO_printf(io,"Ciphers supported in s_server binary\n");
1027                         sk=SSL_get_ciphers(con);
1028                         j=sk_SSL_CIPHER_num(sk);
1029                         for (i=0; i<j; i++)
1030                                 {
1031                                 c=sk_SSL_CIPHER_value(sk,i);
1032                                 BIO_printf(io,"%-11s:%-25s",
1033                                         SSL_CIPHER_get_version(c),
1034                                         SSL_CIPHER_get_name(c));
1035                                 if ((((i+1)%2) == 0) && (i+1 != j))
1036                                         BIO_puts(io,"\n");
1037                                 }
1038                         BIO_puts(io,"\n");
1039                         p=SSL_get_shared_ciphers(con,buf,bufsize);
1040                         if (p != NULL)
1041                                 {
1042                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1043                                 j=i=0;
1044                                 while (*p)
1045                                         {
1046                                         if (*p == ':')
1047                                                 {
1048                                                 BIO_write(io,space,26-j);
1049                                                 i++;
1050                                                 j=0;
1051                                                 BIO_write(io,((i%3)?" ":"\n"),1);
1052                                                 }
1053                                         else
1054                                                 {
1055                                                 BIO_write(io,p,1);
1056                                                 j++;
1057                                                 }
1058                                         p++;
1059                                         }
1060                                 BIO_puts(io,"\n");
1061                                 }
1062                         BIO_printf(io,((con->hit)
1063                                 ?"---\nReused, "
1064                                 :"---\nNew, "));
1065                         c=SSL_get_current_cipher(con);
1066                         BIO_printf(io,"%s, Cipher is %s\n",
1067                                 SSL_CIPHER_get_version(c),
1068                                 SSL_CIPHER_get_name(c));
1069                         SSL_SESSION_print(io,SSL_get_session(con));
1070                         BIO_printf(io,"---\n");
1071                         print_stats(io,SSL_get_SSL_CTX(con));
1072                         BIO_printf(io,"---\n");
1073                         peer=SSL_get_peer_certificate(con);
1074                         if (peer != NULL)
1075                                 {
1076                                 BIO_printf(io,"Client certificate\n");
1077                                 X509_print(io,peer);
1078                                 PEM_write_bio_X509(io,peer);
1079                                 }
1080                         else
1081                                 BIO_puts(io,"no client certificate available\n");
1082                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1083                         break;
1084                         }
1085                 else if ((www == 2) && (strncmp("GET ",buf,4) == 0))
1086                         {
1087                         BIO *file;
1088                         char *p,*e;
1089                         static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1090
1091                         /* skip the '/' */
1092                         p= &(buf[5]);
1093                         dot=0;
1094                         for (e=p; *e != '\0'; e++)
1095                                 {
1096                                 if (e[0] == ' ') break;
1097                                 if (    (e[0] == '.') &&
1098                                         (strncmp(&(e[-1]),"/../",4) == 0))
1099                                         dot=1;
1100                                 }
1101
1102
1103                         if (*e == '\0')
1104                                 {
1105                                 BIO_puts(io,text);
1106                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1107                                 break;
1108                                 }
1109                         *e='\0';
1110
1111                         if (dot)
1112                                 {
1113                                 BIO_puts(io,text);
1114                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1115                                 break;
1116                                 }
1117
1118                         if (*p == '/')
1119                                 {
1120                                 BIO_puts(io,text);
1121                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1122                                 break;
1123                                 }
1124
1125                         /* append if a directory lookup */
1126                         if (e[-1] == '/')
1127                                 strcat(p,"index.html");
1128
1129                         /* if a directory, do the index thang */
1130                         if (stat(p,&st_buf) < 0)
1131                                 {
1132                                 BIO_puts(io,text);
1133                                 BIO_printf(io,"Error accessing '%s'\r\n",p);
1134                                 ERR_print_errors(io);
1135                                 break;
1136                                 }
1137                         if (S_ISDIR(st_buf.st_mode))
1138                                 {
1139                                 strcat(p,"/index.html");
1140                                 }
1141
1142                         if ((file=BIO_new_file(p,"r")) == NULL)
1143                                 {
1144                                 BIO_puts(io,text);
1145                                 BIO_printf(io,"Error opening '%s'\r\n",p);
1146                                 ERR_print_errors(io);
1147                                 break;
1148                                 }
1149
1150                         if (!s_quiet)
1151                                 BIO_printf(bio_err,"FILE:%s\n",p);
1152
1153                         i=strlen(p);
1154                         if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1155                                 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1156                                 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1157                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1158                         else
1159                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1160                         /* send the file */
1161                         total_bytes=0;
1162                         for (;;)
1163                                 {
1164                                 i=BIO_read(file,buf,bufsize);
1165                                 if (i <= 0) break;
1166
1167 #ifdef RENEG
1168                                 total_bytes+=i;
1169                                 fprintf(stderr,"%d\n",i);
1170                                 if (total_bytes > 3*1024)
1171                                         {
1172                                         total_bytes=0;
1173                                         fprintf(stderr,"RENEGOTIATE\n");
1174                                         SSL_renegotiate(con);
1175                                         }
1176 #endif
1177
1178                                 for (j=0; j<i; )
1179                                         {
1180 #ifdef RENEG
1181 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1182 #endif
1183                                         k=BIO_write(io,&(buf[j]),i-j);
1184                                         if (k <= 0)
1185                                                 {
1186                                                 if (!BIO_should_retry(io))
1187                                                         goto write_error;
1188                                                 else
1189                                                         {
1190                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1191                                                         }
1192                                                 }
1193                                         else
1194                                                 {
1195                                                 j+=k;
1196                                                 }
1197                                         }
1198                                 }
1199 write_error:
1200                         BIO_free(file);
1201                         break;
1202                         }
1203                 }
1204
1205         for (;;)
1206                 {
1207                 i=(int)BIO_flush(io);
1208                 if (i <= 0)
1209                         {
1210                         if (!BIO_should_retry(io))
1211                                 break;
1212                         }
1213                 else
1214                         break;
1215                 }
1216 end:
1217 #if 1
1218         /* make sure we re-use sessions */
1219         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1220 #else
1221         /* This kills performace */
1222 /*      SSL_shutdown(con); A shutdown gets sent in the
1223  *      BIO_free_all(io) procession */
1224 #endif
1225
1226 err:
1227
1228         if (ret >= 0)
1229                 BIO_printf(bio_s_out,"ACCEPT\n");
1230
1231         if (buf != NULL) Free(buf);
1232         if (io != NULL) BIO_free_all(io);
1233 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1234         return(ret);
1235         }
1236
1237 #ifndef NO_RSA
1238 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
1239         {
1240         static RSA *rsa_tmp=NULL;
1241
1242         if (rsa_tmp == NULL)
1243                 {
1244                 if (!s_quiet)
1245                         {
1246                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1247                         BIO_flush(bio_err);
1248                         }
1249                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1250                 if (!s_quiet)
1251                         {
1252                         BIO_printf(bio_err,"\n");
1253                         BIO_flush(bio_err);
1254                         }
1255                 }
1256         return(rsa_tmp);
1257         }
1258 #endif