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 #include <assert.h>
  60 #include <stdio.h>
  61 #include <stdlib.h>
  62 #include <string.h>
  63 #include <sys/types.h>
  64 #include <sys/stat.h>
  65 #ifdef NO_STDIO
  66 #define APPS_WIN16
  67 #endif
  68
  69 /* With IPv6, it looks like Digital has mixed up the proper order of
  70    recursive header file inclusion, resulting in the compiler complaining
  71    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
  72    is needed to have fileno() declared correctly...  So let's define u_int */
  73 #if defined(VMS) && defined(__DECC) && !defined(__U_INT)
  74 #define __U_INT
  75 typedef unsigned int u_int;
  76 #endif
  77
  78 #include <openssl/lhash.h>
  79 #include <openssl/bn.h>
  80 #define USE_SOCKETS
  81 #include "apps.h"
  82 #include <openssl/err.h>
  83 #include <openssl/pem.h>
  84 #include <openssl/x509.h>
  85 #include <openssl/ssl.h>
  86 #include "s_apps.h"
  87
  88 #ifdef WINDOWS
  89 #include <conio.h>
  90 #endif
  91
  92 #if (defined(VMS) && __VMS_VER < 70000000)
  93 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
  94 #undef FIONBIO
  95 #endif
  96
  97 #if defined(NO_RSA) && !defined(NO_SSL2)
  98 #define NO_SSL2
  99 #endif
 100
 101 #ifndef NO_RSA
 102 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
 103 #endif
 104 static int sv_body(char *hostname, int s, unsigned char *context);
 105 static int www_body(char *hostname, int s, unsigned char *context);
 106 static void close_accept_socket(void );
 107 static void sv_usage(void);
 108 static int init_ssl_connection(SSL *s);
 109 static void print_stats(BIO *bp,SSL_CTX *ctx);
 110 #ifndef NO_DH
 111 static DH *load_dh_param(char *dhfile);
 112 static DH *get_dh512(void);
 113 #endif
 114 #ifdef MONOLITH
 115 static void s_server_init(void);
 116 #endif
 117
 118 #ifndef S_ISDIR
 119 # if defined(_S_IFMT) && defined(_S_IFDIR)
 120 #  define S_ISDIR(a)    (((a) & _S_IFMT) == _S_IFDIR)
 121 # else
 122 #  define S_ISDIR(a)    (((a) & S_IFMT) == S_IFDIR)
 123 # endif
 124 #endif
 125
 126 #ifndef NO_DH
 127 static unsigned char dh512_p[]={
 128         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 129         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 130         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 131         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 132         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 133         0x47,0x74,0xE8,0x33,
 134         };
 135 static unsigned char dh512_g[]={
 136         0x02,
 137         };
 138
 139 static DH *get_dh512(void)
 140         {
 141         DH *dh=NULL;
 142
 143         if ((dh=DH_new()) == NULL) return(NULL);
 144         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 145         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 146         if ((dh->p == NULL) || (dh->g == NULL))
 147                 return(NULL);
 148         return(dh);
 149         }
 150 #endif
 151
 152 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 153
 154 #undef BUFSIZZ
 155 #define BUFSIZZ 16*1024
 156 static int bufsize=BUFSIZZ;
 157 static int accept_socket= -1;
 158
 159 #define TEST_CERT       "server.pem"
 160 #undef PROG
 161 #define PROG            s_server_main
 162
 163 extern int verify_depth;
 164
 165 static char *cipher=NULL;
 166 static int s_server_verify=SSL_VERIFY_NONE;
 167 static int s_server_session_id_context = 1; /* anything will do */
 168 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 169 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 170 #ifdef FIONBIO
 171 static int s_nbio=0;
 172 #endif
 173 static int s_nbio_test=0;
 174 int s_crlf=0;
 175 static SSL_CTX *ctx=NULL;
 176 static int www=0;
 177
 178 static BIO *bio_s_out=NULL;
 179 static int s_debug=0;
 180 static int s_quiet=0;
 181
 182 static int hack=0;
 183
 184 #ifdef MONOLITH
 185 static void s_server_init(void)
 186         {
 187         accept_socket=-1;
 188         cipher=NULL;
 189         s_server_verify=SSL_VERIFY_NONE;
 190         s_dcert_file=NULL;
 191         s_dkey_file=NULL;
 192         s_cert_file=TEST_CERT;
 193         s_key_file=NULL;
 194 #ifdef FIONBIO
 195         s_nbio=0;
 196 #endif
 197         s_nbio_test=0;
 198         ctx=NULL;
 199         www=0;
 200
 201         bio_s_out=NULL;
 202         s_debug=0;
 203         s_quiet=0;
 204         hack=0;
 205         }
 206 #endif
 207
 208 static void sv_usage(void)
 209         {
 210         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 211         BIO_printf(bio_err,"\n");
 212         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 213         BIO_printf(bio_err," -context arg  - set session ID context\n");
 214         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 215         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 216         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 217         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 218         BIO_printf(bio_err," -key arg      - Private Key file to use, PEM format assumed, in cert file if\n");
 219         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 220         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 221         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 222         BIO_printf(bio_err," -dhparam arg  - DH parameter file to use, in cert file if not specified\n");
 223         BIO_printf(bio_err,"                 or a default set of parameters is used\n");
 224 #ifdef FIONBIO
 225         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 226 #endif
 227         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 228         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 229         BIO_printf(bio_err," -debug        - Print more output\n");
 230         BIO_printf(bio_err," -state        - Print the SSL states\n");
 231         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 232         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 233         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 234         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 235         BIO_printf(bio_err," -quiet        - No server output\n");
 236         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 237         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 238         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 239         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 240         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 241         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 242         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 243 #ifndef NO_DH
 244         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 245 #endif
 246         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatability\n");
 247         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 248         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 249         }
 250
 251 static int local_argc=0;
 252 static char **local_argv;
 253
 254 #ifdef CHARSET_EBCDIC
 255 static int ebcdic_new(BIO *bi);
 256 static int ebcdic_free(BIO *a);
 257 static int ebcdic_read(BIO *b, char *out, int outl);
 258 static int ebcdic_write(BIO *b, char *in, int inl);
 259 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
 260 static int ebcdic_gets(BIO *bp, char *buf, int size);
 261 static int ebcdic_puts(BIO *bp, char *str);
 262
 263 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 264 static BIO_METHOD methods_ebcdic=
 265         {
 266         BIO_TYPE_EBCDIC_FILTER,
 267         "EBCDIC/ASCII filter",
 268         ebcdic_write,
 269         ebcdic_read,
 270         ebcdic_puts,
 271         ebcdic_gets,
 272         ebcdic_ctrl,
 273         ebcdic_new,
 274         ebcdic_free,
 275         };
 276
 277 typedef struct
 278 {
 279         size_t  alloced;
 280         char    buff[1];
 281 } EBCDIC_OUTBUFF;
 282
 283 BIO_METHOD *BIO_f_ebcdic_filter()
 284 {
 285         return(&methods_ebcdic);
 286 }
 287
 288 static int ebcdic_new(BIO *bi)
 289 {
 290         EBCDIC_OUTBUFF *wbuf;
 291
 292         wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 293         wbuf->alloced = 1024;
 294         wbuf->buff[0] = '\0';
 295
 296         bi->ptr=(char *)wbuf;
 297         bi->init=1;
 298         bi->flags=0;
 299         return(1);
 300 }
 301
 302 static int ebcdic_free(BIO *a)
 303 {
 304         if (a == NULL) return(0);
 305         if (a->ptr != NULL)
 306                 Free(a->ptr);
 307         a->ptr=NULL;
 308         a->init=0;
 309         a->flags=0;
 310         return(1);
 311 }
 312
 313 static int ebcdic_read(BIO *b, char *out, int outl)
 314 {
 315         int ret=0;
 316
 317         if (out == NULL || outl == 0) return(0);
 318         if (b->next_bio == NULL) return(0);
 319
 320         ret=BIO_read(b->next_bio,out,outl);
 321         if (ret > 0)
 322                 ascii2ebcdic(out,out,ret);
 323         return(ret);
 324 }
 325
 326 static int ebcdic_write(BIO *b, char *in, int inl)
 327 {
 328         EBCDIC_OUTBUFF *wbuf;
 329         int ret=0;
 330         int num;
 331         unsigned char n;
 332
 333         if ((in == NULL) || (inl <= 0)) return(0);
 334         if (b->next_bio == NULL) return(0);
 335
 336         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 337
 338         if (inl > (num = wbuf->alloced))
 339         {
 340                 num = num + num;  /* double the size */
 341                 if (num < inl)
 342                         num = inl;
 343                 Free((char*)wbuf);
 344                 wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num);
 345
 346                 wbuf->alloced = num;
 347                 wbuf->buff[0] = '\0';
 348
 349                 b->ptr=(char *)wbuf;
 350         }
 351
 352         ebcdic2ascii(wbuf->buff, in, inl);
 353
 354         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 355
 356         return(ret);
 357 }
 358
 359 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
 360 {
 361         long ret;
 362
 363         if (b->next_bio == NULL) return(0);
 364         switch (cmd)
 365         {
 366         case BIO_CTRL_DUP:
 367                 ret=0L;
 368                 break;
 369         default:
 370                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 371                 break;
 372         }
 373         return(ret);
 374 }
 375
 376 static int ebcdic_gets(BIO *bp, char *buf, int size)
 377 {
 378         int i, ret;
 379         if (bp->next_bio == NULL) return(0);
 380 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 381         for (i=0; i<size-1; ++i)
 382         {
 383                 ret = ebcdic_read(bp,&buf[i],1);
 384                 if (ret <= 0)
 385                         break;
 386                 else if (buf[i] == '\n')
 387                 {
 388                         ++i;
 389                         break;
 390                 }
 391         }
 392         if (i < size)
 393                 buf[i] = '\0';
 394         return (ret < 0 && i == 0) ? ret : i;
 395 }
 396
 397 static int ebcdic_puts(BIO *bp, char *str)
 398 {
 399         if (bp->next_bio == NULL) return(0);
 400         return ebcdic_write(bp, str, strlen(str));
 401 }
 402 #endif
 403
 404 int MAIN(int argc, char *argv[])
 405         {
 406         short port=PORT;
 407         char *CApath=NULL,*CAfile=NULL;
 408         char *context = NULL;
 409         char *dhfile = NULL;
 410         int badop=0,bugs=0;
 411         int ret=1;
 412         int off=0;
 413         int no_tmp_rsa=0,no_dhe=0,nocert=0;
 414         int state=0;
 415         SSL_METHOD *meth=NULL;
 416 #ifndef NO_DH
 417         DH *dh=NULL;
 418 #endif
 419
 420 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 421         meth=SSLv23_server_method();
 422 #elif !defined(NO_SSL3)
 423         meth=SSLv3_server_method();
 424 #elif !defined(NO_SSL2)
 425         meth=SSLv2_server_method();
 426 #endif
 427
 428         local_argc=argc;
 429         local_argv=argv;
 430
 431         apps_startup();
 432 #ifdef MONOLITH
 433         s_server_init();
 434 #endif
 435
 436         if (bio_err == NULL)
 437                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 438
 439         verify_depth=0;
 440 #ifdef FIONBIO
 441         s_nbio=0;
 442 #endif
 443         s_nbio_test=0;
 444
 445         argc--;
 446         argv++;
 447
 448         while (argc >= 1)
 449                 {
 450                 if      ((strcmp(*argv,"-port") == 0) ||
 451                          (strcmp(*argv,"-accept") == 0))
 452                         {
 453                         if (--argc < 1) goto bad;
 454                         if (!extract_port(*(++argv),&port))
 455                                 goto bad;
 456                         }
 457                 else if (strcmp(*argv,"-verify") == 0)
 458                         {
 459                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 460                         if (--argc < 1) goto bad;
 461                         verify_depth=atoi(*(++argv));
 462                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 463                         }
 464                 else if (strcmp(*argv,"-Verify") == 0)
 465                         {
 466                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 467                                 SSL_VERIFY_CLIENT_ONCE;
 468                         if (--argc < 1) goto bad;
 469                         verify_depth=atoi(*(++argv));
 470                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 471                         }
 472                 else if (strcmp(*argv,"-context") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         context= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-cert") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         s_cert_file= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-key") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         s_key_file= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-dhparam") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         dhfile = *(++argv);
 491                         }
 492                 else if (strcmp(*argv,"-dcert") == 0)
 493                         {
 494                         if (--argc < 1) goto bad;
 495                         s_dcert_file= *(++argv);
 496                         }
 497                 else if (strcmp(*argv,"-dkey") == 0)
 498                         {
 499                         if (--argc < 1) goto bad;
 500                         s_dkey_file= *(++argv);
 501                         }
 502                 else if (strcmp(*argv,"-nocert") == 0)
 503                         {
 504                         nocert=1;
 505                         }
 506                 else if (strcmp(*argv,"-CApath") == 0)
 507                         {
 508                         if (--argc < 1) goto bad;
 509                         CApath= *(++argv);
 510                         }
 511                 else if (strcmp(*argv,"-cipher") == 0)
 512                         {
 513                         if (--argc < 1) goto bad;
 514                         cipher= *(++argv);
 515                         }
 516                 else if (strcmp(*argv,"-CAfile") == 0)
 517                         {
 518                         if (--argc < 1) goto bad;
 519                         CAfile= *(++argv);
 520                         }
 521 #ifdef FIONBIO
 522                 else if (strcmp(*argv,"-nbio") == 0)
 523                         { s_nbio=1; }
 524 #endif
 525                 else if (strcmp(*argv,"-nbio_test") == 0)
 526                         {
 527 #ifdef FIONBIO
 528                         s_nbio=1;
 529 #endif
 530                         s_nbio_test=1;
 531                         }
 532                 else if (strcmp(*argv,"-debug") == 0)
 533                         { s_debug=1; }
 534                 else if (strcmp(*argv,"-hack") == 0)
 535                         { hack=1; }
 536                 else if (strcmp(*argv,"-state") == 0)
 537                         { state=1; }
 538                 else if (strcmp(*argv,"-crlf") == 0)
 539                         { s_crlf=1; }
 540                 else if (strcmp(*argv,"-quiet") == 0)
 541                         { s_quiet=1; }
 542                 else if (strcmp(*argv,"-bugs") == 0)
 543                         { bugs=1; }
 544                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
 545                         { no_tmp_rsa=1; }
 546                 else if (strcmp(*argv,"-no_dhe") == 0)
 547                         { no_dhe=1; }
 548                 else if (strcmp(*argv,"-www") == 0)
 549                         { www=1; }
 550                 else if (strcmp(*argv,"-WWW") == 0)
 551                         { www=2; }
 552                 else if (strcmp(*argv,"-no_ssl2") == 0)
 553                         { off|=SSL_OP_NO_SSLv2; }
 554                 else if (strcmp(*argv,"-no_ssl3") == 0)
 555                         { off|=SSL_OP_NO_SSLv3; }
 556                 else if (strcmp(*argv,"-no_tls1") == 0)
 557                         { off|=SSL_OP_NO_TLSv1; }
 558 #ifndef NO_SSL2
 559                 else if (strcmp(*argv,"-ssl2") == 0)
 560                         { meth=SSLv2_server_method(); }
 561 #endif
 562 #ifndef NO_SSL3
 563                 else if (strcmp(*argv,"-ssl3") == 0)
 564                         { meth=SSLv3_server_method(); }
 565 #endif
 566 #ifndef NO_TLS1
 567                 else if (strcmp(*argv,"-tls1") == 0)
 568                         { meth=TLSv1_server_method(); }
 569 #endif
 570                 else
 571                         {
 572                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 573                         badop=1;
 574                         break;
 575                         }
 576                 argc--;
 577                 argv++;
 578                 }
 579         if (badop)
 580                 {
 581 bad:
 582                 sv_usage();
 583                 goto end;
 584                 }
 585
 586         app_RAND_load_file(NULL, bio_err, 0);
 587
 588         if (bio_s_out == NULL)
 589                 {
 590                 if (s_quiet && !s_debug)
 591                         {
 592                         bio_s_out=BIO_new(BIO_s_null());
 593                         }
 594                 else
 595                         {
 596                         if (bio_s_out == NULL)
 597                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 598                         }
 599                 }
 600
 601 #if !defined(NO_RSA) || !defined(NO_DSA)
 602         if (nocert)
 603 #endif
 604                 {
 605                 s_cert_file=NULL;
 606                 s_key_file=NULL;
 607                 s_dcert_file=NULL;
 608                 s_dkey_file=NULL;
 609                 }
 610
 611         SSL_load_error_strings();
 612         SSLeay_add_ssl_algorithms();
 613
 614         ctx=SSL_CTX_new(meth);
 615         if (ctx == NULL)
 616                 {
 617                 ERR_print_errors(bio_err);
 618                 goto end;
 619                 }
 620
 621         SSL_CTX_set_quiet_shutdown(ctx,1);
 622         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
 623         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
 624         SSL_CTX_set_options(ctx,off);
 625         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
 626
 627         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 628
 629         SSL_CTX_sess_set_cache_size(ctx,128);
 630
 631 #if 0
 632         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
 633 #endif
 634
 635 #if 0
 636         if (s_cert_file == NULL)
 637                 {
 638                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
 639                 goto end;
 640                 }
 641 #endif
 642
 643         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 644                 (!SSL_CTX_set_default_verify_paths(ctx)))
 645                 {
 646                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
 647                 ERR_print_errors(bio_err);
 648                 /* goto end; */
 649                 }
 650
 651 #ifndef NO_DH
 652         if (!no_dhe)
 653                 {
 654                 dh=load_dh_param(dhfile ? dhfile : s_cert_file);
 655                 if (dh != NULL)
 656                         {
 657                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
 658                         }
 659                 else
 660                         {
 661                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
 662                         dh=get_dh512();
 663                         }
 664                 (void)BIO_flush(bio_s_out);
 665
 666                 SSL_CTX_set_tmp_dh(ctx,dh);
 667                 DH_free(dh);
 668                 }
 669 #endif
 670
 671         if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
 672                 goto end;
 673         if (s_dcert_file != NULL)
 674                 {
 675                 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
 676                         goto end;
 677                 }
 678
 679 #ifndef NO_RSA
 680 #if 1
 681         SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
 682 #else
 683         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
 684                 {
 685                 RSA *rsa;
 686
 687                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
 688                 BIO_flush(bio_s_out);
 689
 690                 rsa=RSA_generate_key(512,RSA_F4,NULL);
 691
 692                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
 693                         {
 694                         ERR_print_errors(bio_err);
 695                         goto end;
 696                         }
 697                 RSA_free(rsa);
 698                 BIO_printf(bio_s_out,"\n");
 699                 }
 700 #endif
 701 #endif
 702
 703         if (cipher != NULL)
 704                 SSL_CTX_set_cipher_list(ctx,cipher);
 705         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
 706         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
 707                 sizeof s_server_session_id_context);
 708
 709         if (CAfile != NULL)
 710             SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
 711
 712         BIO_printf(bio_s_out,"ACCEPT\n");
 713         if (www)
 714                 do_server(port,&accept_socket,www_body, context);
 715         else
 716                 do_server(port,&accept_socket,sv_body, context);
 717         print_stats(bio_s_out,ctx);
 718         ret=0;
 719 end:
 720         if (ctx != NULL) SSL_CTX_free(ctx);
 721         X509_cleanup();
 722         if (bio_s_out != NULL)
 723                 {
 724                 BIO_free(bio_s_out);
 725                 bio_s_out=NULL;
 726                 }
 727         EXIT(ret);
 728         }
 729
 730 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
 731         {
 732         BIO_printf(bio,"%4ld items in the session cache\n",
 733                 SSL_CTX_sess_number(ssl_ctx));
 734         BIO_printf(bio,"%4d client connects (SSL_connect())\n",
 735                 SSL_CTX_sess_connect(ssl_ctx));
 736         BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
 737                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
 738         BIO_printf(bio,"%4d client connects that finished\n",
 739                 SSL_CTX_sess_connect_good(ssl_ctx));
 740         BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
 741                 SSL_CTX_sess_accept(ssl_ctx));
 742         BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
 743                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
 744         BIO_printf(bio,"%4d server accepts that finished\n",
 745                 SSL_CTX_sess_accept_good(ssl_ctx));
 746         BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
 747         BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
 748         BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
 749         BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
 750         BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
 751                 SSL_CTX_sess_cache_full(ssl_ctx),
 752                 SSL_CTX_sess_get_cache_size(ssl_ctx));
 753         }
 754
 755 static int sv_body(char *hostname, int s, unsigned char *context)
 756         {
 757         char *buf=NULL;
 758         fd_set readfds;
 759         int ret=1,width;
 760         int k,i;
 761         unsigned long l;
 762         SSL *con=NULL;
 763         BIO *sbio;
 764 #ifdef WINDOWS
 765         struct timeval tv;
 766 #endif
 767
 768         if ((buf=Malloc(bufsize)) == NULL)
 769                 {
 770                 BIO_printf(bio_err,"out of memory\n");
 771                 goto err;
 772                 }
 773 #ifdef FIONBIO
 774         if (s_nbio)
 775                 {
 776                 unsigned long sl=1;
 777
 778                 if (!s_quiet)
 779                         BIO_printf(bio_err,"turning on non blocking io\n");
 780                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
 781                         ERR_print_errors(bio_err);
 782                 }
 783 #endif
 784
 785         if (con == NULL) {
 786                 con=(SSL *)SSL_new(ctx);
 787                 if(context)
 788                       SSL_set_session_id_context(con, context,
 789                                                  strlen((char *)context));
 790         }
 791         SSL_clear(con);
 792
 793         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 794         if (s_nbio_test)
 795                 {
 796                 BIO *test;
 797
 798                 test=BIO_new(BIO_f_nbio_test());
 799                 sbio=BIO_push(test,sbio);
 800                 }
 801         SSL_set_bio(con,sbio,sbio);
 802         SSL_set_accept_state(con);
 803         /* SSL_set_fd(con,s); */
 804
 805         if (s_debug)
 806                 {
 807                 con->debug=1;
 808                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
 809                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
 810                 }
 811
 812         width=s+1;
 813         for (;;)
 814                 {
 815                 FD_ZERO(&readfds);
 816 #ifndef WINDOWS
 817                 FD_SET(fileno(stdin),&readfds);
 818 #endif
 819                 FD_SET(s,&readfds);
 820                 /* Note: under VMS with SOCKETSHR the second parameter is
 821                  * currently of type (int *) whereas under other systems
 822                  * it is (void *) if you don't have a cast it will choke
 823                  * the compiler: if you do have a cast then you can either
 824                  * go for (int *) or (void *).
 825                  */
 826 #ifdef WINDOWS
 827                 /* Under Windows we can't select on stdin: only
 828                  * on sockets. As a workaround we timeout the select every
 829                  * second and check for any keypress. In a proper Windows
 830                  * application we wouldn't do this because it is inefficient.
 831                  */
 832                 tv.tv_sec = 1;
 833                 tv.tv_usec = 0;
 834                 i=select(width,(void *)&readfds,NULL,NULL,&tv);
 835                 if((i < 0) || (!i && !_kbhit() ) )continue;
 836                 if(_kbhit())
 837 #else
 838                 i=select(width,(void *)&readfds,NULL,NULL,NULL);
 839                 if (i <= 0) continue;
 840                 if (FD_ISSET(fileno(stdin),&readfds))
 841 #endif
 842                         {
 843                         if (s_crlf)
 844                                 {
 845                                 int j, lf_num;
 846
 847                                 i=read(fileno(stdin), buf, bufsize/2);
 848                                 lf_num = 0;
 849                                 /* both loops are skipped when i <= 0 */
 850                                 for (j = 0; j < i; j++)
 851                                         if (buf[j] == '\n')
 852                                                 lf_num++;
 853                                 for (j = i-1; j >= 0; j--)
 854                                         {
 855                                         buf[j+lf_num] = buf[j];
 856                                         if (buf[j] == '\n')
 857                                                 {
 858                                                 lf_num--;
 859                                                 i++;
 860                                                 buf[j+lf_num] = '\r';
 861                                                 }
 862                                         }
 863                                 assert(lf_num == 0);
 864                                 }
 865                         else
 866                                 i=read(fileno(stdin),buf,bufsize);
 867                         if (!s_quiet)
 868                                 {
 869                                 if ((i <= 0) || (buf[0] == 'Q'))
 870                                         {
 871                                         BIO_printf(bio_s_out,"DONE\n");
 872                                         SHUTDOWN(s);
 873                                         close_accept_socket();
 874                                         ret= -11;
 875                                         goto err;
 876                                         }
 877                                 if ((i <= 0) || (buf[0] == 'q'))
 878                                         {
 879                                         BIO_printf(bio_s_out,"DONE\n");
 880                                         SHUTDOWN(s);
 881         /*                              close_accept_socket();
 882                                         ret= -11;*/
 883                                         goto err;
 884                                         }
 885                                 if ((buf[0] == 'r') &&
 886                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 887                                         {
 888                                         SSL_renegotiate(con);
 889                                         i=SSL_do_handshake(con);
 890                                         printf("SSL_do_handshake -> %d\n",i);
 891                                         i=0; /*13; */
 892                                         continue;
 893                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
 894                                         }
 895                                 if ((buf[0] == 'R') &&
 896                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 897                                         {
 898                                         SSL_set_verify(con,
 899                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
 900                                         SSL_renegotiate(con);
 901                                         i=SSL_do_handshake(con);
 902                                         printf("SSL_do_handshake -> %d\n",i);
 903                                         i=0; /* 13; */
 904                                         continue;
 905                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
 906                                         }
 907                                 if (buf[0] == 'P')
 908                                         {
 909                                         static char *str="Lets print some clear text\n";
 910                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
 911                                         }
 912                                 if (buf[0] == 'S')
 913                                         {
 914                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
 915                                         }
 916                                 }
 917 #ifdef CHARSET_EBCDIC
 918                         ebcdic2ascii(buf,buf,i);
 919 #endif
 920                         l=k=0;
 921                         for (;;)
 922                                 {
 923                                 /* should do a select for the write */
 924 #ifdef RENEG
 925 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
 926 #endif
 927                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
 928                                 switch (SSL_get_error(con,k))
 929                                         {
 930                                 case SSL_ERROR_NONE:
 931                                         break;
 932                                 case SSL_ERROR_WANT_WRITE:
 933                                 case SSL_ERROR_WANT_READ:
 934                                 case SSL_ERROR_WANT_X509_LOOKUP:
 935                                         BIO_printf(bio_s_out,"Write BLOCK\n");
 936                                         break;
 937                                 case SSL_ERROR_SYSCALL:
 938                                 case SSL_ERROR_SSL:
 939                                         BIO_printf(bio_s_out,"ERROR\n");
 940                                         ERR_print_errors(bio_err);
 941                                         ret=1;
 942                                         goto err;
 943                                         /* break; */
 944                                 case SSL_ERROR_ZERO_RETURN:
 945                                         BIO_printf(bio_s_out,"DONE\n");
 946                                         ret=1;
 947                                         goto err;
 948                                         }
 949                                 l+=k;
 950                                 i-=k;
 951                                 if (i <= 0) break;
 952                                 }
 953                         }
 954                 if (FD_ISSET(s,&readfds))
 955                         {
 956                         if (!SSL_is_init_finished(con))
 957                                 {
 958                                 i=init_ssl_connection(con);
 959
 960                                 if (i < 0)
 961                                         {
 962                                         ret=0;
 963                                         goto err;
 964                                         }
 965                                 else if (i == 0)
 966                                         {
 967                                         ret=1;
 968                                         goto err;
 969                                         }
 970                                 }
 971                         else
 972                                 {
 973 again:
 974                                 i=SSL_read(con,(char *)buf,bufsize);
 975                                 switch (SSL_get_error(con,i))
 976                                         {
 977                                 case SSL_ERROR_NONE:
 978 #ifdef CHARSET_EBCDIC
 979                                         ascii2ebcdic(buf,buf,i);
 980 #endif
 981                                         write(fileno(stdout),buf,
 982                                                 (unsigned int)i);
 983                                         if (SSL_pending(con)) goto again;
 984                                         break;
 985                                 case SSL_ERROR_WANT_WRITE:
 986                                 case SSL_ERROR_WANT_READ:
 987                                 case SSL_ERROR_WANT_X509_LOOKUP:
 988                                         BIO_printf(bio_s_out,"Read BLOCK\n");
 989                                         break;
 990                                 case SSL_ERROR_SYSCALL:
 991                                 case SSL_ERROR_SSL:
 992                                         BIO_printf(bio_s_out,"ERROR\n");
 993                                         ERR_print_errors(bio_err);
 994                                         ret=1;
 995                                         goto err;
 996                                 case SSL_ERROR_ZERO_RETURN:
 997                                         BIO_printf(bio_s_out,"DONE\n");
 998                                         ret=1;
 999                                         goto err;
1000                                         }
1001                                 }
1002                         }
1003                 }
1004 err:
1005         BIO_printf(bio_s_out,"shutting down SSL\n");
1006 #if 1
1007         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1008 #else
1009         SSL_shutdown(con);
1010 #endif
1011         if (con != NULL) SSL_free(con);
1012         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
1013         if (buf != NULL)
1014                 {
1015                 memset(buf,0,bufsize);
1016                 Free(buf);
1017                 }
1018         if (ret >= 0)
1019                 BIO_printf(bio_s_out,"ACCEPT\n");
1020         return(ret);
1021         }
1022
1023 static void close_accept_socket(void)
1024         {
1025         BIO_printf(bio_err,"shutdown accept socket\n");
1026         if (accept_socket >= 0)
1027                 {
1028                 SHUTDOWN2(accept_socket);
1029                 }
1030         }
1031
1032 static int init_ssl_connection(SSL *con)
1033         {
1034         int i;
1035         const char *str;
1036         X509 *peer;
1037         long verify_error;
1038         MS_STATIC char buf[BUFSIZ];
1039
1040         if ((i=SSL_accept(con)) <= 0)
1041                 {
1042                 if (BIO_sock_should_retry(i))
1043                         {
1044                         BIO_printf(bio_s_out,"DELAY\n");
1045                         return(1);
1046                         }
1047
1048                 BIO_printf(bio_err,"ERROR\n");
1049                 verify_error=SSL_get_verify_result(con);
1050                 if (verify_error != X509_V_OK)
1051                         {
1052                         BIO_printf(bio_err,"verify error:%s\n",
1053                                 X509_verify_cert_error_string(verify_error));
1054                         }
1055                 else
1056                         ERR_print_errors(bio_err);
1057                 return(0);
1058                 }
1059
1060         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1061
1062         peer=SSL_get_peer_certificate(con);
1063         if (peer != NULL)
1064                 {
1065                 BIO_printf(bio_s_out,"Client certificate\n");
1066                 PEM_write_bio_X509(bio_s_out,peer);
1067                 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1068                 BIO_printf(bio_s_out,"subject=%s\n",buf);
1069                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1070                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1071                 X509_free(peer);
1072                 }
1073
1074         if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1075                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1076         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1077         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1078         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1079         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1080                 TLS1_FLAGS_TLS_PADDING_BUG)
1081                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1082
1083         return(1);
1084         }
1085
1086 #ifndef NO_DH
1087 static DH *load_dh_param(char *dhfile)
1088         {
1089         DH *ret=NULL;
1090         BIO *bio;
1091
1092         if ((bio=BIO_new_file(dhfile,"r")) == NULL)
1093                 goto err;
1094         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1095 err:
1096         if (bio != NULL) BIO_free(bio);
1097         return(ret);
1098         }
1099 #endif
1100
1101 #if 0
1102 static int load_CA(SSL_CTX *ctx, char *file)
1103         {
1104         FILE *in;
1105         X509 *x=NULL;
1106
1107         if ((in=fopen(file,"r")) == NULL)
1108                 return(0);
1109
1110         for (;;)
1111                 {
1112                 if (PEM_read_X509(in,&x,NULL) == NULL)
1113                         break;
1114                 SSL_CTX_add_client_CA(ctx,x);
1115                 }
1116         if (x != NULL) X509_free(x);
1117         fclose(in);
1118         return(1);
1119         }
1120 #endif
1121
1122 static int www_body(char *hostname, int s, unsigned char *context)
1123         {
1124         char *buf=NULL;
1125         int ret=1;
1126         int i,j,k,blank,dot;
1127         struct stat st_buf;
1128         SSL *con;
1129         SSL_CIPHER *c;
1130         BIO *io,*ssl_bio,*sbio;
1131         long total_bytes;
1132
1133         buf=Malloc(bufsize);
1134         if (buf == NULL) return(0);
1135         io=BIO_new(BIO_f_buffer());
1136         ssl_bio=BIO_new(BIO_f_ssl());
1137         if ((io == NULL) || (ssl_bio == NULL)) goto err;
1138
1139 #ifdef FIONBIO
1140         if (s_nbio)
1141                 {
1142                 unsigned long sl=1;
1143
1144                 if (!s_quiet)
1145                         BIO_printf(bio_err,"turning on non blocking io\n");
1146                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1147                         ERR_print_errors(bio_err);
1148                 }
1149 #endif
1150
1151         /* lets make the output buffer a reasonable size */
1152         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1153
1154         if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
1155         if(context) SSL_set_session_id_context(con, context,
1156                                                strlen((char *)context));
1157
1158         sbio=BIO_new_socket(s,BIO_NOCLOSE);
1159         if (s_nbio_test)
1160                 {
1161                 BIO *test;
1162
1163                 test=BIO_new(BIO_f_nbio_test());
1164                 sbio=BIO_push(test,sbio);
1165                 }
1166         SSL_set_bio(con,sbio,sbio);
1167         SSL_set_accept_state(con);
1168
1169         /* SSL_set_fd(con,s); */
1170         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1171         BIO_push(io,ssl_bio);
1172 #ifdef CHARSET_EBCDIC
1173         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1174 #endif
1175
1176         if (s_debug)
1177                 {
1178                 con->debug=1;
1179                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1180                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1181                 }
1182
1183         blank=0;
1184         for (;;)
1185                 {
1186                 if (hack)
1187                         {
1188                         i=SSL_accept(con);
1189
1190                         switch (SSL_get_error(con,i))
1191                                 {
1192                         case SSL_ERROR_NONE:
1193                                 break;
1194                         case SSL_ERROR_WANT_WRITE:
1195                         case SSL_ERROR_WANT_READ:
1196                         case SSL_ERROR_WANT_X509_LOOKUP:
1197                                 continue;
1198                         case SSL_ERROR_SYSCALL:
1199                         case SSL_ERROR_SSL:
1200                         case SSL_ERROR_ZERO_RETURN:
1201                                 ret=1;
1202                                 goto err;
1203                                 /* break; */
1204                                 }
1205
1206                         SSL_renegotiate(con);
1207                         SSL_write(con,NULL,0);
1208                         }
1209
1210                 i=BIO_gets(io,buf,bufsize-1);
1211                 if (i < 0) /* error */
1212                         {
1213                         if (!BIO_should_retry(io))
1214                                 {
1215                                 if (!s_quiet)
1216                                         ERR_print_errors(bio_err);
1217                                 goto err;
1218                                 }
1219                         else
1220                                 {
1221                                 BIO_printf(bio_s_out,"read R BLOCK\n");
1222 #ifndef MSDOS
1223                                 sleep(1);
1224 #endif
1225                                 continue;
1226                                 }
1227                         }
1228                 else if (i == 0) /* end of input */
1229                         {
1230                         ret=1;
1231                         goto end;
1232                         }
1233
1234                 /* else we have data */
1235                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1236                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1237                         {
1238                         char *p;
1239                         X509 *peer;
1240                         STACK_OF(SSL_CIPHER) *sk;
1241                         static char *space="                          ";
1242
1243                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1244                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1245                         BIO_puts(io,"<pre>\n");
1246 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1247                         BIO_puts(io,"\n");
1248                         for (i=0; i<local_argc; i++)
1249                                 {
1250                                 BIO_puts(io,local_argv[i]);
1251                                 BIO_write(io," ",1);
1252                                 }
1253                         BIO_puts(io,"\n");
1254
1255                         /* The following is evil and should not really
1256                          * be done */
1257                         BIO_printf(io,"Ciphers supported in s_server binary\n");
1258                         sk=SSL_get_ciphers(con);
1259                         j=sk_SSL_CIPHER_num(sk);
1260                         for (i=0; i<j; i++)
1261                                 {
1262                                 c=sk_SSL_CIPHER_value(sk,i);
1263                                 BIO_printf(io,"%-11s:%-25s",
1264                                         SSL_CIPHER_get_version(c),
1265                                         SSL_CIPHER_get_name(c));
1266                                 if ((((i+1)%2) == 0) && (i+1 != j))
1267                                         BIO_puts(io,"\n");
1268                                 }
1269                         BIO_puts(io,"\n");
1270                         p=SSL_get_shared_ciphers(con,buf,bufsize);
1271                         if (p != NULL)
1272                                 {
1273                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1274                                 j=i=0;
1275                                 while (*p)
1276                                         {
1277                                         if (*p == ':')
1278                                                 {
1279                                                 BIO_write(io,space,26-j);
1280                                                 i++;
1281                                                 j=0;
1282                                                 BIO_write(io,((i%3)?" ":"\n"),1);
1283                                                 }
1284                                         else
1285                                                 {
1286                                                 BIO_write(io,p,1);
1287                                                 j++;
1288                                                 }
1289                                         p++;
1290                                         }
1291                                 BIO_puts(io,"\n");
1292                                 }
1293                         BIO_printf(io,((con->hit)
1294                                 ?"---\nReused, "
1295                                 :"---\nNew, "));
1296                         c=SSL_get_current_cipher(con);
1297                         BIO_printf(io,"%s, Cipher is %s\n",
1298                                 SSL_CIPHER_get_version(c),
1299                                 SSL_CIPHER_get_name(c));
1300                         SSL_SESSION_print(io,SSL_get_session(con));
1301                         BIO_printf(io,"---\n");
1302                         print_stats(io,SSL_get_SSL_CTX(con));
1303                         BIO_printf(io,"---\n");
1304                         peer=SSL_get_peer_certificate(con);
1305                         if (peer != NULL)
1306                                 {
1307                                 BIO_printf(io,"Client certificate\n");
1308                                 X509_print(io,peer);
1309                                 PEM_write_bio_X509(io,peer);
1310                                 }
1311                         else
1312                                 BIO_puts(io,"no client certificate available\n");
1313                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1314                         break;
1315                         }
1316                 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1317                         {
1318                         BIO *file;
1319                         char *p,*e;
1320                         static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1321
1322                         /* skip the '/' */
1323                         p= &(buf[5]);
1324                         dot=0;
1325                         for (e=p; *e != '\0'; e++)
1326                                 {
1327                                 if (e[0] == ' ') break;
1328                                 if (    (e[0] == '.') &&
1329                                         (strncmp(&(e[-1]),"/../",4) == 0))
1330                                         dot=1;
1331                                 }
1332
1333
1334                         if (*e == '\0')
1335                                 {
1336                                 BIO_puts(io,text);
1337                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1338                                 break;
1339                                 }
1340                         *e='\0';
1341
1342                         if (dot)
1343                                 {
1344                                 BIO_puts(io,text);
1345                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1346                                 break;
1347                                 }
1348
1349                         if (*p == '/')
1350                                 {
1351                                 BIO_puts(io,text);
1352                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1353                                 break;
1354                                 }
1355
1356                         /* append if a directory lookup */
1357                         if (e[-1] == '/')
1358                                 strcat(p,"index.html");
1359
1360                         /* if a directory, do the index thang */
1361                         if (stat(p,&st_buf) < 0)
1362                                 {
1363                                 BIO_puts(io,text);
1364                                 BIO_printf(io,"Error accessing '%s'\r\n",p);
1365                                 ERR_print_errors(io);
1366                                 break;
1367                                 }
1368                         if (S_ISDIR(st_buf.st_mode))
1369                                 {
1370                                 strcat(p,"/index.html");
1371                                 }
1372
1373                         if ((file=BIO_new_file(p,"r")) == NULL)
1374                                 {
1375                                 BIO_puts(io,text);
1376                                 BIO_printf(io,"Error opening '%s'\r\n",p);
1377                                 ERR_print_errors(io);
1378                                 break;
1379                                 }
1380
1381                         if (!s_quiet)
1382                                 BIO_printf(bio_err,"FILE:%s\n",p);
1383
1384                         i=strlen(p);
1385                         if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1386                                 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1387                                 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1388                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1389                         else
1390                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1391                         /* send the file */
1392                         total_bytes=0;
1393                         for (;;)
1394                                 {
1395                                 i=BIO_read(file,buf,bufsize);
1396                                 if (i <= 0) break;
1397
1398 #ifdef RENEG
1399                                 total_bytes+=i;
1400                                 fprintf(stderr,"%d\n",i);
1401                                 if (total_bytes > 3*1024)
1402                                         {
1403                                         total_bytes=0;
1404                                         fprintf(stderr,"RENEGOTIATE\n");
1405                                         SSL_renegotiate(con);
1406                                         }
1407 #endif
1408
1409                                 for (j=0; j<i; )
1410                                         {
1411 #ifdef RENEG
1412 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1413 #endif
1414                                         k=BIO_write(io,&(buf[j]),i-j);
1415                                         if (k <= 0)
1416                                                 {
1417                                                 if (!BIO_should_retry(io))
1418                                                         goto write_error;
1419                                                 else
1420                                                         {
1421                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1422                                                         }
1423                                                 }
1424                                         else
1425                                                 {
1426                                                 j+=k;
1427                                                 }
1428                                         }
1429                                 }
1430 write_error:
1431                         BIO_free(file);
1432                         break;
1433                         }
1434                 }
1435
1436         for (;;)
1437                 {
1438                 i=(int)BIO_flush(io);
1439                 if (i <= 0)
1440                         {
1441                         if (!BIO_should_retry(io))
1442                                 break;
1443                         }
1444                 else
1445                         break;
1446                 }
1447 end:
1448 #if 1
1449         /* make sure we re-use sessions */
1450         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1451 #else
1452         /* This kills performace */
1453 /*      SSL_shutdown(con); A shutdown gets sent in the
1454  *      BIO_free_all(io) procession */
1455 #endif
1456
1457 err:
1458
1459         if (ret >= 0)
1460                 BIO_printf(bio_s_out,"ACCEPT\n");
1461
1462         if (buf != NULL) Free(buf);
1463         if (io != NULL) BIO_free_all(io);
1464 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1465         return(ret);
1466         }
1467
1468 #ifndef NO_RSA
1469 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1470         {
1471         static RSA *rsa_tmp=NULL;
1472
1473         if (rsa_tmp == NULL)
1474                 {
1475                 if (!s_quiet)
1476                         {
1477                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1478                         (void)BIO_flush(bio_err);
1479                         }
1480                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1481                 if (!s_quiet)
1482                         {
1483                         BIO_printf(bio_err,"\n");
1484                         (void)BIO_flush(bio_err);
1485                         }
1486                 }
1487         return(rsa_tmp);
1488         }
1489 #endif