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 #if (defined(VMS) && __VMS_VER < 70000000)
  89 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
  90 #undef FIONBIO
  91 #endif
  92
  93 #if defined(NO_RSA) && !defined(NO_SSL2)
  94 #define NO_SSL2
  95 #endif
  96
  97 #ifndef NO_RSA
  98 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength);
  99 #endif
 100 static int sv_body(char *hostname, int s, unsigned char *context);
 101 static int www_body(char *hostname, int s, unsigned char *context);
 102 static void close_accept_socket(void );
 103 static void sv_usage(void);
 104 static int init_ssl_connection(SSL *s);
 105 static void print_stats(BIO *bp,SSL_CTX *ctx);
 106 #ifndef NO_DH
 107 static DH *load_dh_param(void );
 108 static DH *get_dh512(void);
 109 #endif
 110 #ifdef MONOLITH
 111 static void s_server_init(void);
 112 #endif
 113
 114 #ifndef S_ISDIR
 115 # if defined(_S_IFMT) && defined(_S_IFDIR)
 116 #  define S_ISDIR(a)    (((a) & _S_IFMT) == _S_IFDIR)
 117 # else
 118 #  define S_ISDIR(a)    (((a) & S_IFMT) == S_IFDIR)
 119 # endif
 120 #endif
 121
 122 #ifndef NO_DH
 123 static unsigned char dh512_p[]={
 124         0xDA,0x58,0x3C,0x16,0xD9,0x85,0x22,0x89,0xD0,0xE4,0xAF,0x75,
 125         0x6F,0x4C,0xCA,0x92,0xDD,0x4B,0xE5,0x33,0xB8,0x04,0xFB,0x0F,
 126         0xED,0x94,0xEF,0x9C,0x8A,0x44,0x03,0xED,0x57,0x46,0x50,0xD3,
 127         0x69,0x99,0xDB,0x29,0xD7,0x76,0x27,0x6B,0xA2,0xD3,0xD4,0x12,
 128         0xE2,0x18,0xF4,0xDD,0x1E,0x08,0x4C,0xF6,0xD8,0x00,0x3E,0x7C,
 129         0x47,0x74,0xE8,0x33,
 130         };
 131 static unsigned char dh512_g[]={
 132         0x02,
 133         };
 134
 135 static DH *get_dh512(void)
 136         {
 137         DH *dh=NULL;
 138
 139         if ((dh=DH_new()) == NULL) return(NULL);
 140         dh->p=BN_bin2bn(dh512_p,sizeof(dh512_p),NULL);
 141         dh->g=BN_bin2bn(dh512_g,sizeof(dh512_g),NULL);
 142         if ((dh->p == NULL) || (dh->g == NULL))
 143                 return(NULL);
 144         return(dh);
 145         }
 146 #endif
 147
 148 /* static int load_CA(SSL_CTX *ctx, char *file);*/
 149
 150 #undef BUFSIZZ
 151 #define BUFSIZZ 16*1024
 152 static int bufsize=32;
 153 static int accept_socket= -1;
 154
 155 #define TEST_CERT       "server.pem"
 156 #undef PROG
 157 #define PROG            s_server_main
 158
 159 #define DH_PARAM        "server.pem"
 160
 161 extern int verify_depth;
 162
 163 static char *cipher=NULL;
 164 static int s_server_verify=SSL_VERIFY_NONE;
 165 static int s_server_session_id_context = 1; /* anything will do */
 166 static char *s_cert_file=TEST_CERT,*s_key_file=NULL;
 167 static char *s_dcert_file=NULL,*s_dkey_file=NULL;
 168 #ifdef FIONBIO
 169 static int s_nbio=0;
 170 #endif
 171 static int s_nbio_test=0;
 172 int s_crlf=0;
 173 static SSL_CTX *ctx=NULL;
 174 static int www=0;
 175
 176 static BIO *bio_s_out=NULL;
 177 static int s_debug=0;
 178 static int s_quiet=0;
 179
 180 static int hack=0;
 181
 182 #ifdef MONOLITH
 183 static void s_server_init(void)
 184         {
 185         accept_socket=-1;
 186         cipher=NULL;
 187         s_server_verify=SSL_VERIFY_NONE;
 188         s_dcert_file=NULL;
 189         s_dkey_file=NULL;
 190         s_cert_file=TEST_CERT;
 191         s_key_file=NULL;
 192 #ifdef FIONBIO
 193         s_nbio=0;
 194 #endif
 195         s_nbio_test=0;
 196         ctx=NULL;
 197         www=0;
 198
 199         bio_s_out=NULL;
 200         s_debug=0;
 201         s_quiet=0;
 202         hack=0;
 203         }
 204 #endif
 205
 206 static void sv_usage(void)
 207         {
 208         BIO_printf(bio_err,"usage: s_server [args ...]\n");
 209         BIO_printf(bio_err,"\n");
 210         BIO_printf(bio_err," -accept arg   - port to accept on (default is %d)\n",PORT);
 211         BIO_printf(bio_err," -context arg  - set session ID context\n");
 212         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 213         BIO_printf(bio_err," -Verify arg   - turn on peer certificate verification, must have a cert.\n");
 214         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 215         BIO_printf(bio_err,"                 (default is %s)\n",TEST_CERT);
 216         BIO_printf(bio_err," -key arg      - RSA file to use, PEM format assumed, in cert file if\n");
 217         BIO_printf(bio_err,"                 not specified (default is %s)\n",TEST_CERT);
 218         BIO_printf(bio_err," -dcert arg    - second certificate file to use (usually for DSA)\n");
 219         BIO_printf(bio_err," -dkey arg     - second private key file to use (usually for DSA)\n");
 220 #ifdef FIONBIO
 221         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 222 #endif
 223         BIO_printf(bio_err," -nbio_test    - test with the non-blocking test bio\n");
 224         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 225         BIO_printf(bio_err," -debug        - Print more output\n");
 226         BIO_printf(bio_err," -state        - Print the SSL states\n");
 227         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 228         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 229         BIO_printf(bio_err," -nocert       - Don't use any certificates (Anon-DH)\n");
 230         BIO_printf(bio_err," -cipher arg   - play with 'openssl ciphers' to see what goes here\n");
 231         BIO_printf(bio_err," -quiet        - No server output\n");
 232         BIO_printf(bio_err," -no_tmp_rsa   - Do not generate a tmp RSA key\n");
 233         BIO_printf(bio_err," -ssl2         - Just talk SSLv2\n");
 234         BIO_printf(bio_err," -ssl3         - Just talk SSLv3\n");
 235         BIO_printf(bio_err," -tls1         - Just talk TLSv1\n");
 236         BIO_printf(bio_err," -no_ssl2      - Just disable SSLv2\n");
 237         BIO_printf(bio_err," -no_ssl3      - Just disable SSLv3\n");
 238         BIO_printf(bio_err," -no_tls1      - Just disable TLSv1\n");
 239 #ifndef NO_DH
 240         BIO_printf(bio_err," -no_dhe       - Disable ephemeral DH\n");
 241 #endif
 242         BIO_printf(bio_err," -bugs         - Turn on SSL bug compatability\n");
 243         BIO_printf(bio_err," -www          - Respond to a 'GET /' with a status page\n");
 244         BIO_printf(bio_err," -WWW          - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n");
 245         }
 246
 247 static int local_argc=0;
 248 static char **local_argv;
 249
 250 #ifdef CHARSET_EBCDIC
 251 static int ebcdic_new(BIO *bi);
 252 static int ebcdic_free(BIO *a);
 253 static int ebcdic_read(BIO *b, char *out, int outl);
 254 static int ebcdic_write(BIO *b, char *in, int inl);
 255 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr);
 256 static int ebcdic_gets(BIO *bp, char *buf, int size);
 257 static int ebcdic_puts(BIO *bp, char *str);
 258
 259 #define BIO_TYPE_EBCDIC_FILTER  (18|0x0200)
 260 static BIO_METHOD methods_ebcdic=
 261         {
 262         BIO_TYPE_EBCDIC_FILTER,
 263         "EBCDIC/ASCII filter",
 264         ebcdic_write,
 265         ebcdic_read,
 266         ebcdic_puts,
 267         ebcdic_gets,
 268         ebcdic_ctrl,
 269         ebcdic_new,
 270         ebcdic_free,
 271         };
 272
 273 typedef struct
 274 {
 275         size_t  alloced;
 276         char    buff[1];
 277 } EBCDIC_OUTBUFF;
 278
 279 BIO_METHOD *BIO_f_ebcdic_filter()
 280 {
 281         return(&methods_ebcdic);
 282 }
 283
 284 static int ebcdic_new(BIO *bi)
 285 {
 286         EBCDIC_OUTBUFF *wbuf;
 287
 288         wbuf = (EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + 1024);
 289         wbuf->alloced = 1024;
 290         wbuf->buff[0] = '\0';
 291
 292         bi->ptr=(char *)wbuf;
 293         bi->init=1;
 294         bi->flags=0;
 295         return(1);
 296 }
 297
 298 static int ebcdic_free(BIO *a)
 299 {
 300         if (a == NULL) return(0);
 301         if (a->ptr != NULL)
 302                 Free(a->ptr);
 303         a->ptr=NULL;
 304         a->init=0;
 305         a->flags=0;
 306         return(1);
 307 }
 308
 309 static int ebcdic_read(BIO *b, char *out, int outl)
 310 {
 311         int ret=0;
 312
 313         if (out == NULL || outl == 0) return(0);
 314         if (b->next_bio == NULL) return(0);
 315
 316         ret=BIO_read(b->next_bio,out,outl);
 317         if (ret > 0)
 318                 ascii2ebcdic(out,out,ret);
 319         return(ret);
 320 }
 321
 322 static int ebcdic_write(BIO *b, char *in, int inl)
 323 {
 324         EBCDIC_OUTBUFF *wbuf;
 325         int ret=0;
 326         int num;
 327         unsigned char n;
 328
 329         if ((in == NULL) || (inl <= 0)) return(0);
 330         if (b->next_bio == NULL) return(0);
 331
 332         wbuf=(EBCDIC_OUTBUFF *)b->ptr;
 333
 334         if (inl > (num = wbuf->alloced))
 335         {
 336                 num = num + num;  /* double the size */
 337                 if (num < inl)
 338                         num = inl;
 339                 Free((char*)wbuf);
 340                 wbuf=(EBCDIC_OUTBUFF *)Malloc(sizeof(EBCDIC_OUTBUFF) + num);
 341
 342                 wbuf->alloced = num;
 343                 wbuf->buff[0] = '\0';
 344
 345                 b->ptr=(char *)wbuf;
 346         }
 347
 348         ebcdic2ascii(wbuf->buff, in, inl);
 349
 350         ret=BIO_write(b->next_bio, wbuf->buff, inl);
 351
 352         return(ret);
 353 }
 354
 355 static long ebcdic_ctrl(BIO *b, int cmd, long num, char *ptr)
 356 {
 357         long ret;
 358
 359         if (b->next_bio == NULL) return(0);
 360         switch (cmd)
 361         {
 362         case BIO_CTRL_DUP:
 363                 ret=0L;
 364                 break;
 365         default:
 366                 ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
 367                 break;
 368         }
 369         return(ret);
 370 }
 371
 372 static int ebcdic_gets(BIO *bp, char *buf, int size)
 373 {
 374         int i, ret;
 375         if (bp->next_bio == NULL) return(0);
 376 /*      return(BIO_gets(bp->next_bio,buf,size));*/
 377         for (i=0; i<size-1; ++i)
 378         {
 379                 ret = ebcdic_read(bp,&buf[i],1);
 380                 if (ret <= 0)
 381                         break;
 382                 else if (buf[i] == '\n')
 383                 {
 384                         ++i;
 385                         break;
 386                 }
 387         }
 388         if (i < size)
 389                 buf[i] = '\0';
 390         return (ret < 0 && i == 0) ? ret : i;
 391 }
 392
 393 static int ebcdic_puts(BIO *bp, char *str)
 394 {
 395         if (bp->next_bio == NULL) return(0);
 396         return ebcdic_write(bp, str, strlen(str));
 397 }
 398 #endif
 399
 400 int MAIN(int argc, char *argv[])
 401         {
 402         short port=PORT;
 403         char *CApath=NULL,*CAfile=NULL;
 404         char *context = NULL;
 405         int badop=0,bugs=0;
 406         int ret=1;
 407         int off=0;
 408         int no_tmp_rsa=0,no_dhe=0,nocert=0;
 409         int state=0;
 410         SSL_METHOD *meth=NULL;
 411 #ifndef NO_DH
 412         DH *dh=NULL;
 413 #endif
 414
 415 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 416         meth=SSLv23_server_method();
 417 #elif !defined(NO_SSL3)
 418         meth=SSLv3_server_method();
 419 #elif !defined(NO_SSL2)
 420         meth=SSLv2_server_method();
 421 #endif
 422
 423         local_argc=argc;
 424         local_argv=argv;
 425
 426         apps_startup();
 427 #ifdef MONOLITH
 428         s_server_init();
 429 #endif
 430
 431         if (bio_err == NULL)
 432                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 433
 434         verify_depth=0;
 435 #ifdef FIONBIO
 436         s_nbio=0;
 437 #endif
 438         s_nbio_test=0;
 439
 440         argc--;
 441         argv++;
 442
 443         while (argc >= 1)
 444                 {
 445                 if      ((strcmp(*argv,"-port") == 0) ||
 446                          (strcmp(*argv,"-accept") == 0))
 447                         {
 448                         if (--argc < 1) goto bad;
 449                         if (!extract_port(*(++argv),&port))
 450                                 goto bad;
 451                         }
 452                 else if (strcmp(*argv,"-verify") == 0)
 453                         {
 454                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE;
 455                         if (--argc < 1) goto bad;
 456                         verify_depth=atoi(*(++argv));
 457                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 458                         }
 459                 else if (strcmp(*argv,"-Verify") == 0)
 460                         {
 461                         s_server_verify=SSL_VERIFY_PEER|SSL_VERIFY_FAIL_IF_NO_PEER_CERT|
 462                                 SSL_VERIFY_CLIENT_ONCE;
 463                         if (--argc < 1) goto bad;
 464                         verify_depth=atoi(*(++argv));
 465                         BIO_printf(bio_err,"verify depth is %d, must return a certificate\n",verify_depth);
 466                         }
 467                 else if (strcmp(*argv,"-context") == 0)
 468                         {
 469                         if (--argc < 1) goto bad;
 470                         context= *(++argv);
 471                         }
 472                 else if (strcmp(*argv,"-cert") == 0)
 473                         {
 474                         if (--argc < 1) goto bad;
 475                         s_cert_file= *(++argv);
 476                         }
 477                 else if (strcmp(*argv,"-key") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         s_key_file= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-dcert") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         s_dcert_file= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-dkey") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         s_dkey_file= *(++argv);
 491                         }
 492                 else if (strcmp(*argv,"-nocert") == 0)
 493                         {
 494                         nocert=1;
 495                         }
 496                 else if (strcmp(*argv,"-CApath") == 0)
 497                         {
 498                         if (--argc < 1) goto bad;
 499                         CApath= *(++argv);
 500                         }
 501                 else if (strcmp(*argv,"-cipher") == 0)
 502                         {
 503                         if (--argc < 1) goto bad;
 504                         cipher= *(++argv);
 505                         }
 506                 else if (strcmp(*argv,"-CAfile") == 0)
 507                         {
 508                         if (--argc < 1) goto bad;
 509                         CAfile= *(++argv);
 510                         }
 511 #ifdef FIONBIO
 512                 else if (strcmp(*argv,"-nbio") == 0)
 513                         { s_nbio=1; }
 514 #endif
 515                 else if (strcmp(*argv,"-nbio_test") == 0)
 516                         {
 517 #ifdef FIONBIO
 518                         s_nbio=1;
 519 #endif
 520                         s_nbio_test=1;
 521                         }
 522                 else if (strcmp(*argv,"-debug") == 0)
 523                         { s_debug=1; }
 524                 else if (strcmp(*argv,"-hack") == 0)
 525                         { hack=1; }
 526                 else if (strcmp(*argv,"-state") == 0)
 527                         { state=1; }
 528                 else if (strcmp(*argv,"-crlf") == 0)
 529                         { s_crlf=1; }
 530                 else if (strcmp(*argv,"-quiet") == 0)
 531                         { s_quiet=1; }
 532                 else if (strcmp(*argv,"-bugs") == 0)
 533                         { bugs=1; }
 534                 else if (strcmp(*argv,"-no_tmp_rsa") == 0)
 535                         { no_tmp_rsa=1; }
 536                 else if (strcmp(*argv,"-no_dhe") == 0)
 537                         { no_dhe=1; }
 538                 else if (strcmp(*argv,"-www") == 0)
 539                         { www=1; }
 540                 else if (strcmp(*argv,"-WWW") == 0)
 541                         { www=2; }
 542                 else if (strcmp(*argv,"-no_ssl2") == 0)
 543                         { off|=SSL_OP_NO_SSLv2; }
 544                 else if (strcmp(*argv,"-no_ssl3") == 0)
 545                         { off|=SSL_OP_NO_SSLv3; }
 546                 else if (strcmp(*argv,"-no_tls1") == 0)
 547                         { off|=SSL_OP_NO_TLSv1; }
 548 #ifndef NO_SSL2
 549                 else if (strcmp(*argv,"-ssl2") == 0)
 550                         { meth=SSLv2_server_method(); }
 551 #endif
 552 #ifndef NO_SSL3
 553                 else if (strcmp(*argv,"-ssl3") == 0)
 554                         { meth=SSLv3_server_method(); }
 555 #endif
 556 #ifndef NO_TLS1
 557                 else if (strcmp(*argv,"-tls1") == 0)
 558                         { meth=TLSv1_server_method(); }
 559 #endif
 560                 else
 561                         {
 562                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 563                         badop=1;
 564                         break;
 565                         }
 566                 argc--;
 567                 argv++;
 568                 }
 569         if (badop)
 570                 {
 571 bad:
 572                 sv_usage();
 573                 goto end;
 574                 }
 575
 576         if (bio_s_out == NULL)
 577                 {
 578                 if (s_quiet && !s_debug)
 579                         {
 580                         bio_s_out=BIO_new(BIO_s_null());
 581                         }
 582                 else
 583                         {
 584                         if (bio_s_out == NULL)
 585                                 bio_s_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 586                         }
 587                 }
 588
 589 #if !defined(NO_RSA) || !defined(NO_DSA)
 590         if (nocert)
 591 #endif
 592                 {
 593                 s_cert_file=NULL;
 594                 s_key_file=NULL;
 595                 s_dcert_file=NULL;
 596                 s_dkey_file=NULL;
 597                 }
 598
 599         SSL_load_error_strings();
 600         SSLeay_add_ssl_algorithms();
 601
 602         ctx=SSL_CTX_new(meth);
 603         if (ctx == NULL)
 604                 {
 605                 ERR_print_errors(bio_err);
 606                 goto end;
 607                 }
 608
 609         SSL_CTX_set_quiet_shutdown(ctx,1);
 610         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
 611         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG);
 612         SSL_CTX_set_options(ctx,off);
 613         if (hack) SSL_CTX_set_options(ctx,SSL_OP_NON_EXPORT_FIRST);
 614
 615         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 616
 617         SSL_CTX_sess_set_cache_size(ctx,128);
 618
 619 #if 0
 620         if (cipher == NULL) cipher=getenv("SSL_CIPHER");
 621 #endif
 622
 623 #if 0
 624         if (s_cert_file == NULL)
 625                 {
 626                 BIO_printf(bio_err,"You must specify a certificate file for the server to use\n");
 627                 goto end;
 628                 }
 629 #endif
 630
 631         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 632                 (!SSL_CTX_set_default_verify_paths(ctx)))
 633                 {
 634                 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */
 635                 ERR_print_errors(bio_err);
 636                 /* goto end; */
 637                 }
 638
 639 #ifndef NO_DH
 640         if (!no_dhe)
 641                 {
 642                 /* EAY EAY EAY evil hack */
 643                 dh=load_dh_param();
 644                 if (dh != NULL)
 645                         {
 646                         BIO_printf(bio_s_out,"Setting temp DH parameters\n");
 647                         }
 648                 else
 649                         {
 650                         BIO_printf(bio_s_out,"Using default temp DH parameters\n");
 651                         dh=get_dh512();
 652                         }
 653                 (void)BIO_flush(bio_s_out);
 654
 655                 SSL_CTX_set_tmp_dh(ctx,dh);
 656                 DH_free(dh);
 657                 }
 658 #endif
 659
 660         if (!set_cert_stuff(ctx,s_cert_file,s_key_file))
 661                 goto end;
 662         if (s_dcert_file != NULL)
 663                 {
 664                 if (!set_cert_stuff(ctx,s_dcert_file,s_dkey_file))
 665                         goto end;
 666                 }
 667
 668 #ifndef NO_RSA
 669 #if 1
 670         SSL_CTX_set_tmp_rsa_callback(ctx,tmp_rsa_cb);
 671 #else
 672         if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx))
 673                 {
 674                 RSA *rsa;
 675
 676                 BIO_printf(bio_s_out,"Generating temp (512 bit) RSA key...");
 677                 BIO_flush(bio_s_out);
 678
 679                 rsa=RSA_generate_key(512,RSA_F4,NULL);
 680
 681                 if (!SSL_CTX_set_tmp_rsa(ctx,rsa))
 682                         {
 683                         ERR_print_errors(bio_err);
 684                         goto end;
 685                         }
 686                 RSA_free(rsa);
 687                 BIO_printf(bio_s_out,"\n");
 688                 }
 689 #endif
 690 #endif
 691
 692         if (cipher != NULL)
 693                 SSL_CTX_set_cipher_list(ctx,cipher);
 694         SSL_CTX_set_verify(ctx,s_server_verify,verify_callback);
 695         SSL_CTX_set_session_id_context(ctx,(void*)&s_server_session_id_context,
 696                 sizeof s_server_session_id_context);
 697
 698         SSL_CTX_set_client_CA_list(ctx,SSL_load_client_CA_file(CAfile));
 699
 700         BIO_printf(bio_s_out,"ACCEPT\n");
 701         if (www)
 702                 do_server(port,&accept_socket,www_body, context);
 703         else
 704                 do_server(port,&accept_socket,sv_body, context);
 705         print_stats(bio_s_out,ctx);
 706         ret=0;
 707 end:
 708         if (ctx != NULL) SSL_CTX_free(ctx);
 709         if (bio_s_out != NULL)
 710                 {
 711                 BIO_free(bio_s_out);
 712                 bio_s_out=NULL;
 713                 }
 714         EXIT(ret);
 715         }
 716
 717 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx)
 718         {
 719         BIO_printf(bio,"%4ld items in the session cache\n",
 720                 SSL_CTX_sess_number(ssl_ctx));
 721         BIO_printf(bio,"%4d client connects (SSL_connect())\n",
 722                 SSL_CTX_sess_connect(ssl_ctx));
 723         BIO_printf(bio,"%4d client renegotiates (SSL_connect())\n",
 724                 SSL_CTX_sess_connect_renegotiate(ssl_ctx));
 725         BIO_printf(bio,"%4d client connects that finished\n",
 726                 SSL_CTX_sess_connect_good(ssl_ctx));
 727         BIO_printf(bio,"%4d server accepts (SSL_accept())\n",
 728                 SSL_CTX_sess_accept(ssl_ctx));
 729         BIO_printf(bio,"%4d server renegotiates (SSL_accept())\n",
 730                 SSL_CTX_sess_accept_renegotiate(ssl_ctx));
 731         BIO_printf(bio,"%4d server accepts that finished\n",
 732                 SSL_CTX_sess_accept_good(ssl_ctx));
 733         BIO_printf(bio,"%4d session cache hits\n",SSL_CTX_sess_hits(ssl_ctx));
 734         BIO_printf(bio,"%4d session cache misses\n",SSL_CTX_sess_misses(ssl_ctx));
 735         BIO_printf(bio,"%4d session cache timeouts\n",SSL_CTX_sess_timeouts(ssl_ctx));
 736         BIO_printf(bio,"%4d callback cache hits\n",SSL_CTX_sess_cb_hits(ssl_ctx));
 737         BIO_printf(bio,"%4d cache full overflows (%d allowed)\n",
 738                 SSL_CTX_sess_cache_full(ssl_ctx),
 739                 SSL_CTX_sess_get_cache_size(ssl_ctx));
 740         }
 741
 742 static int sv_body(char *hostname, int s, unsigned char *context)
 743         {
 744         char *buf=NULL;
 745         fd_set readfds;
 746         int ret=1,width;
 747         int k,i;
 748         unsigned long l;
 749         SSL *con=NULL;
 750         BIO *sbio;
 751
 752         if ((buf=Malloc(bufsize)) == NULL)
 753                 {
 754                 BIO_printf(bio_err,"out of memory\n");
 755                 goto err;
 756                 }
 757 #ifdef FIONBIO
 758         if (s_nbio)
 759                 {
 760                 unsigned long sl=1;
 761
 762                 if (!s_quiet)
 763                         BIO_printf(bio_err,"turning on non blocking io\n");
 764                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
 765                         ERR_print_errors(bio_err);
 766                 }
 767 #endif
 768
 769         if (con == NULL) {
 770                 con=(SSL *)SSL_new(ctx);
 771                 if(context)
 772                       SSL_set_session_id_context(con, context,
 773                                                  strlen((char *)context));
 774         }
 775         SSL_clear(con);
 776
 777         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 778         if (s_nbio_test)
 779                 {
 780                 BIO *test;
 781
 782                 test=BIO_new(BIO_f_nbio_test());
 783                 sbio=BIO_push(test,sbio);
 784                 }
 785         SSL_set_bio(con,sbio,sbio);
 786         SSL_set_accept_state(con);
 787         /* SSL_set_fd(con,s); */
 788
 789         if (s_debug)
 790                 {
 791                 con->debug=1;
 792                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
 793                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
 794                 }
 795
 796         width=s+1;
 797         for (;;)
 798                 {
 799                 FD_ZERO(&readfds);
 800 #ifndef WINDOWS
 801                 FD_SET(fileno(stdin),&readfds);
 802 #endif
 803                 FD_SET(s,&readfds);
 804                 /* Note: under VMS with SOCKETSHR the second parameter is
 805                  * currently of type (int *) whereas under other systems
 806                  * it is (void *) if you don't have a cast it will choke
 807                  * the compiler: if you do have a cast then you can either
 808                  * go for (int *) or (void *).
 809                  */
 810                 i=select(width,(void *)&readfds,NULL,NULL,NULL);
 811                 if (i <= 0) continue;
 812                 if (FD_ISSET(fileno(stdin),&readfds))
 813                         {
 814                         if (s_crlf)
 815                                 {
 816                                 int j, lf_num;
 817
 818                                 i=read(fileno(stdin), buf, bufsize/2);
 819                                 lf_num = 0;
 820                                 /* both loops are skipped when i <= 0 */
 821                                 for (j = 0; j < i; j++)
 822                                         if (buf[j] == '\n')
 823                                                 lf_num++;
 824                                 for (j = i-1; j >= 0; j--)
 825                                         {
 826                                         buf[j+lf_num] = buf[j];
 827                                         if (buf[j] == '\n')
 828                                                 {
 829                                                 lf_num--;
 830                                                 i++;
 831                                                 buf[j+lf_num] = '\r';
 832                                                 }
 833                                         }
 834                                 assert(lf_num == 0);
 835                                 }
 836                         else
 837                                 i=read(fileno(stdin),buf,bufsize);
 838                         if (!s_quiet)
 839                                 {
 840                                 if ((i <= 0) || (buf[0] == 'Q'))
 841                                         {
 842                                         BIO_printf(bio_s_out,"DONE\n");
 843                                         SHUTDOWN(s);
 844                                         close_accept_socket();
 845                                         ret= -11;
 846                                         goto err;
 847                                         }
 848                                 if ((i <= 0) || (buf[0] == 'q'))
 849                                         {
 850                                         BIO_printf(bio_s_out,"DONE\n");
 851                                         SHUTDOWN(s);
 852         /*                              close_accept_socket();
 853                                         ret= -11;*/
 854                                         goto err;
 855                                         }
 856                                 if ((buf[0] == 'r') &&
 857                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 858                                         {
 859                                         SSL_renegotiate(con);
 860                                         i=SSL_do_handshake(con);
 861                                         printf("SSL_do_handshake -> %d\n",i);
 862                                         i=0; /*13; */
 863                                         continue;
 864                                         /* strcpy(buf,"server side RE-NEGOTIATE\n"); */
 865                                         }
 866                                 if ((buf[0] == 'R') &&
 867                                         ((buf[1] == '\n') || (buf[1] == '\r')))
 868                                         {
 869                                         SSL_set_verify(con,
 870                                                 SSL_VERIFY_PEER|SSL_VERIFY_CLIENT_ONCE,NULL);
 871                                         SSL_renegotiate(con);
 872                                         i=SSL_do_handshake(con);
 873                                         printf("SSL_do_handshake -> %d\n",i);
 874                                         i=0; /* 13; */
 875                                         continue;
 876                                         /* strcpy(buf,"server side RE-NEGOTIATE asking for client cert\n"); */
 877                                         }
 878                                 if (buf[0] == 'P')
 879                                         {
 880                                         static char *str="Lets print some clear text\n";
 881                                         BIO_write(SSL_get_wbio(con),str,strlen(str));
 882                                         }
 883                                 if (buf[0] == 'S')
 884                                         {
 885                                         print_stats(bio_s_out,SSL_get_SSL_CTX(con));
 886                                         }
 887                                 }
 888 #ifdef CHARSET_EBCDIC
 889                         ebcdic2ascii(buf,buf,i);
 890 #endif
 891                         l=k=0;
 892                         for (;;)
 893                                 {
 894                                 /* should do a select for the write */
 895 #ifdef RENEG
 896 { static count=0; if (++count == 100) { count=0; SSL_renegotiate(con); } }
 897 #endif
 898                                 k=SSL_write(con,&(buf[l]),(unsigned int)i);
 899                                 switch (SSL_get_error(con,k))
 900                                         {
 901                                 case SSL_ERROR_NONE:
 902                                         break;
 903                                 case SSL_ERROR_WANT_WRITE:
 904                                 case SSL_ERROR_WANT_READ:
 905                                 case SSL_ERROR_WANT_X509_LOOKUP:
 906                                         BIO_printf(bio_s_out,"Write BLOCK\n");
 907                                         break;
 908                                 case SSL_ERROR_SYSCALL:
 909                                 case SSL_ERROR_SSL:
 910                                         BIO_printf(bio_s_out,"ERROR\n");
 911                                         ERR_print_errors(bio_err);
 912                                         ret=1;
 913                                         goto err;
 914                                         /* break; */
 915                                 case SSL_ERROR_ZERO_RETURN:
 916                                         BIO_printf(bio_s_out,"DONE\n");
 917                                         ret=1;
 918                                         goto err;
 919                                         }
 920                                 l+=k;
 921                                 i-=k;
 922                                 if (i <= 0) break;
 923                                 }
 924                         }
 925                 if (FD_ISSET(s,&readfds))
 926                         {
 927                         if (!SSL_is_init_finished(con))
 928                                 {
 929                                 i=init_ssl_connection(con);
 930
 931                                 if (i < 0)
 932                                         {
 933                                         ret=0;
 934                                         goto err;
 935                                         }
 936                                 else if (i == 0)
 937                                         {
 938                                         ret=1;
 939                                         goto err;
 940                                         }
 941                                 }
 942                         else
 943                                 {
 944 again:
 945                                 i=SSL_read(con,(char *)buf,bufsize);
 946                                 switch (SSL_get_error(con,i))
 947                                         {
 948                                 case SSL_ERROR_NONE:
 949 #ifdef CHARSET_EBCDIC
 950                                         ascii2ebcdic(buf,buf,i);
 951 #endif
 952                                         write(fileno(stdout),buf,
 953                                                 (unsigned int)i);
 954                                         if (SSL_pending(con)) goto again;
 955                                         break;
 956                                 case SSL_ERROR_WANT_WRITE:
 957                                 case SSL_ERROR_WANT_READ:
 958                                 case SSL_ERROR_WANT_X509_LOOKUP:
 959                                         BIO_printf(bio_s_out,"Read BLOCK\n");
 960                                         break;
 961                                 case SSL_ERROR_SYSCALL:
 962                                 case SSL_ERROR_SSL:
 963                                         BIO_printf(bio_s_out,"ERROR\n");
 964                                         ERR_print_errors(bio_err);
 965                                         ret=1;
 966                                         goto err;
 967                                 case SSL_ERROR_ZERO_RETURN:
 968                                         BIO_printf(bio_s_out,"DONE\n");
 969                                         ret=1;
 970                                         goto err;
 971                                         }
 972                                 }
 973                         }
 974                 }
 975 err:
 976         BIO_printf(bio_s_out,"shutting down SSL\n");
 977 #if 1
 978         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 979 #else
 980         SSL_shutdown(con);
 981 #endif
 982         if (con != NULL) SSL_free(con);
 983         BIO_printf(bio_s_out,"CONNECTION CLOSED\n");
 984         if (buf != NULL)
 985                 {
 986                 memset(buf,0,bufsize);
 987                 Free(buf);
 988                 }
 989         if (ret >= 0)
 990                 BIO_printf(bio_s_out,"ACCEPT\n");
 991         return(ret);
 992         }
 993
 994 static void close_accept_socket(void)
 995         {
 996         BIO_printf(bio_err,"shutdown accept socket\n");
 997         if (accept_socket >= 0)
 998                 {
 999                 SHUTDOWN2(accept_socket);
1000                 }
1001         }
1002
1003 static int init_ssl_connection(SSL *con)
1004         {
1005         int i;
1006         const char *str;
1007         X509 *peer;
1008         long verify_error;
1009         MS_STATIC char buf[BUFSIZ];
1010
1011         if ((i=SSL_accept(con)) <= 0)
1012                 {
1013                 if (BIO_sock_should_retry(i))
1014                         {
1015                         BIO_printf(bio_s_out,"DELAY\n");
1016                         return(1);
1017                         }
1018
1019                 BIO_printf(bio_err,"ERROR\n");
1020                 verify_error=SSL_get_verify_result(con);
1021                 if (verify_error != X509_V_OK)
1022                         {
1023                         BIO_printf(bio_err,"verify error:%s\n",
1024                                 X509_verify_cert_error_string(verify_error));
1025                         }
1026                 else
1027                         ERR_print_errors(bio_err);
1028                 return(0);
1029                 }
1030
1031         PEM_write_bio_SSL_SESSION(bio_s_out,SSL_get_session(con));
1032
1033         peer=SSL_get_peer_certificate(con);
1034         if (peer != NULL)
1035                 {
1036                 BIO_printf(bio_s_out,"Client certificate\n");
1037                 PEM_write_bio_X509(bio_s_out,peer);
1038                 X509_NAME_oneline(X509_get_subject_name(peer),buf,BUFSIZ);
1039                 BIO_printf(bio_s_out,"subject=%s\n",buf);
1040                 X509_NAME_oneline(X509_get_issuer_name(peer),buf,BUFSIZ);
1041                 BIO_printf(bio_s_out,"issuer=%s\n",buf);
1042                 X509_free(peer);
1043                 }
1044
1045         if (SSL_get_shared_ciphers(con,buf,BUFSIZ) != NULL)
1046                 BIO_printf(bio_s_out,"Shared ciphers:%s\n",buf);
1047         str=SSL_CIPHER_get_name(SSL_get_current_cipher(con));
1048         BIO_printf(bio_s_out,"CIPHER is %s\n",(str != NULL)?str:"(NONE)");
1049         if (con->hit) BIO_printf(bio_s_out,"Reused session-id\n");
1050         if (SSL_ctrl(con,SSL_CTRL_GET_FLAGS,0,NULL) &
1051                 TLS1_FLAGS_TLS_PADDING_BUG)
1052                 BIO_printf(bio_s_out,"Peer has incorrect TLSv1 block padding\n");
1053
1054         return(1);
1055         }
1056
1057 #ifndef NO_DH
1058 static DH *load_dh_param(void)
1059         {
1060         DH *ret=NULL;
1061         BIO *bio;
1062
1063         if ((bio=BIO_new_file(DH_PARAM,"r")) == NULL)
1064                 goto err;
1065         ret=PEM_read_bio_DHparams(bio,NULL,NULL,NULL);
1066 err:
1067         if (bio != NULL) BIO_free(bio);
1068         return(ret);
1069         }
1070 #endif
1071
1072 #if 0
1073 static int load_CA(SSL_CTX *ctx, char *file)
1074         {
1075         FILE *in;
1076         X509 *x=NULL;
1077
1078         if ((in=fopen(file,"r")) == NULL)
1079                 return(0);
1080
1081         for (;;)
1082                 {
1083                 if (PEM_read_X509(in,&x,NULL) == NULL)
1084                         break;
1085                 SSL_CTX_add_client_CA(ctx,x);
1086                 }
1087         if (x != NULL) X509_free(x);
1088         fclose(in);
1089         return(1);
1090         }
1091 #endif
1092
1093 static int www_body(char *hostname, int s, unsigned char *context)
1094         {
1095         char *buf=NULL;
1096         int ret=1;
1097         int i,j,k,blank,dot;
1098         struct stat st_buf;
1099         SSL *con;
1100         SSL_CIPHER *c;
1101         BIO *io,*ssl_bio,*sbio;
1102         long total_bytes;
1103
1104         buf=Malloc(bufsize);
1105         if (buf == NULL) return(0);
1106         io=BIO_new(BIO_f_buffer());
1107         ssl_bio=BIO_new(BIO_f_ssl());
1108         if ((io == NULL) || (ssl_bio == NULL)) goto err;
1109
1110 #ifdef FIONBIO
1111         if (s_nbio)
1112                 {
1113                 unsigned long sl=1;
1114
1115                 if (!s_quiet)
1116                         BIO_printf(bio_err,"turning on non blocking io\n");
1117                 if (BIO_socket_ioctl(s,FIONBIO,&sl) < 0)
1118                         ERR_print_errors(bio_err);
1119                 }
1120 #endif
1121
1122         /* lets make the output buffer a reasonable size */
1123         if (!BIO_set_write_buffer_size(io,bufsize)) goto err;
1124
1125         if ((con=(SSL *)SSL_new(ctx)) == NULL) goto err;
1126         if(context) SSL_set_session_id_context(con, context,
1127                                                strlen((char *)context));
1128
1129         sbio=BIO_new_socket(s,BIO_NOCLOSE);
1130         if (s_nbio_test)
1131                 {
1132                 BIO *test;
1133
1134                 test=BIO_new(BIO_f_nbio_test());
1135                 sbio=BIO_push(test,sbio);
1136                 }
1137         SSL_set_bio(con,sbio,sbio);
1138         SSL_set_accept_state(con);
1139
1140         /* SSL_set_fd(con,s); */
1141         BIO_set_ssl(ssl_bio,con,BIO_CLOSE);
1142         BIO_push(io,ssl_bio);
1143 #ifdef CHARSET_EBCDIC
1144         io = BIO_push(BIO_new(BIO_f_ebcdic_filter()),io);
1145 #endif
1146
1147         if (s_debug)
1148                 {
1149                 con->debug=1;
1150                 BIO_set_callback(SSL_get_rbio(con),bio_dump_cb);
1151                 BIO_set_callback_arg(SSL_get_rbio(con),bio_s_out);
1152                 }
1153
1154         blank=0;
1155         for (;;)
1156                 {
1157                 if (hack)
1158                         {
1159                         i=SSL_accept(con);
1160
1161                         switch (SSL_get_error(con,i))
1162                                 {
1163                         case SSL_ERROR_NONE:
1164                                 break;
1165                         case SSL_ERROR_WANT_WRITE:
1166                         case SSL_ERROR_WANT_READ:
1167                         case SSL_ERROR_WANT_X509_LOOKUP:
1168                                 continue;
1169                         case SSL_ERROR_SYSCALL:
1170                         case SSL_ERROR_SSL:
1171                         case SSL_ERROR_ZERO_RETURN:
1172                                 ret=1;
1173                                 goto err;
1174                                 /* break; */
1175                                 }
1176
1177                         SSL_renegotiate(con);
1178                         SSL_write(con,NULL,0);
1179                         }
1180
1181                 i=BIO_gets(io,buf,bufsize-1);
1182                 if (i < 0) /* error */
1183                         {
1184                         if (!BIO_should_retry(io))
1185                                 {
1186                                 if (!s_quiet)
1187                                         ERR_print_errors(bio_err);
1188                                 goto err;
1189                                 }
1190                         else
1191                                 {
1192                                 BIO_printf(bio_s_out,"read R BLOCK\n");
1193 #ifndef MSDOS
1194                                 sleep(1);
1195 #endif
1196                                 continue;
1197                                 }
1198                         }
1199                 else if (i == 0) /* end of input */
1200                         {
1201                         ret=1;
1202                         goto end;
1203                         }
1204
1205                 /* else we have data */
1206                 if (    ((www == 1) && (strncmp("GET ",buf,4) == 0)) ||
1207                         ((www == 2) && (strncmp("GET /stats ",buf,10) == 0)))
1208                         {
1209                         char *p;
1210                         X509 *peer;
1211                         STACK_OF(SSL_CIPHER) *sk;
1212                         static char *space="                          ";
1213
1214                         BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1215                         BIO_puts(io,"<HTML><BODY BGCOLOR=\"#ffffff\">\n");
1216                         BIO_puts(io,"<pre>\n");
1217 /*                      BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/
1218                         BIO_puts(io,"\n");
1219                         for (i=0; i<local_argc; i++)
1220                                 {
1221                                 BIO_puts(io,local_argv[i]);
1222                                 BIO_write(io," ",1);
1223                                 }
1224                         BIO_puts(io,"\n");
1225
1226                         /* The following is evil and should not really
1227                          * be done */
1228                         BIO_printf(io,"Ciphers supported in s_server binary\n");
1229                         sk=SSL_get_ciphers(con);
1230                         j=sk_SSL_CIPHER_num(sk);
1231                         for (i=0; i<j; i++)
1232                                 {
1233                                 c=sk_SSL_CIPHER_value(sk,i);
1234                                 BIO_printf(io,"%-11s:%-25s",
1235                                         SSL_CIPHER_get_version(c),
1236                                         SSL_CIPHER_get_name(c));
1237                                 if ((((i+1)%2) == 0) && (i+1 != j))
1238                                         BIO_puts(io,"\n");
1239                                 }
1240                         BIO_puts(io,"\n");
1241                         p=SSL_get_shared_ciphers(con,buf,bufsize);
1242                         if (p != NULL)
1243                                 {
1244                                 BIO_printf(io,"---\nCiphers common between both SSL end points:\n");
1245                                 j=i=0;
1246                                 while (*p)
1247                                         {
1248                                         if (*p == ':')
1249                                                 {
1250                                                 BIO_write(io,space,26-j);
1251                                                 i++;
1252                                                 j=0;
1253                                                 BIO_write(io,((i%3)?" ":"\n"),1);
1254                                                 }
1255                                         else
1256                                                 {
1257                                                 BIO_write(io,p,1);
1258                                                 j++;
1259                                                 }
1260                                         p++;
1261                                         }
1262                                 BIO_puts(io,"\n");
1263                                 }
1264                         BIO_printf(io,((con->hit)
1265                                 ?"---\nReused, "
1266                                 :"---\nNew, "));
1267                         c=SSL_get_current_cipher(con);
1268                         BIO_printf(io,"%s, Cipher is %s\n",
1269                                 SSL_CIPHER_get_version(c),
1270                                 SSL_CIPHER_get_name(c));
1271                         SSL_SESSION_print(io,SSL_get_session(con));
1272                         BIO_printf(io,"---\n");
1273                         print_stats(io,SSL_get_SSL_CTX(con));
1274                         BIO_printf(io,"---\n");
1275                         peer=SSL_get_peer_certificate(con);
1276                         if (peer != NULL)
1277                                 {
1278                                 BIO_printf(io,"Client certificate\n");
1279                                 X509_print(io,peer);
1280                                 PEM_write_bio_X509(io,peer);
1281                                 }
1282                         else
1283                                 BIO_puts(io,"no client certificate available\n");
1284                         BIO_puts(io,"</BODY></HTML>\r\n\r\n");
1285                         break;
1286                         }
1287                 else if ((www == 2) && (strncmp("GET /",buf,5) == 0))
1288                         {
1289                         BIO *file;
1290                         char *p,*e;
1291                         static char *text="HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n";
1292
1293                         /* skip the '/' */
1294                         p= &(buf[5]);
1295                         dot=0;
1296                         for (e=p; *e != '\0'; e++)
1297                                 {
1298                                 if (e[0] == ' ') break;
1299                                 if (    (e[0] == '.') &&
1300                                         (strncmp(&(e[-1]),"/../",4) == 0))
1301                                         dot=1;
1302                                 }
1303
1304
1305                         if (*e == '\0')
1306                                 {
1307                                 BIO_puts(io,text);
1308                                 BIO_printf(io,"'%s' is an invalid file name\r\n",p);
1309                                 break;
1310                                 }
1311                         *e='\0';
1312
1313                         if (dot)
1314                                 {
1315                                 BIO_puts(io,text);
1316                                 BIO_printf(io,"'%s' contains '..' reference\r\n",p);
1317                                 break;
1318                                 }
1319
1320                         if (*p == '/')
1321                                 {
1322                                 BIO_puts(io,text);
1323                                 BIO_printf(io,"'%s' is an invalid path\r\n",p);
1324                                 break;
1325                                 }
1326
1327                         /* append if a directory lookup */
1328                         if (e[-1] == '/')
1329                                 strcat(p,"index.html");
1330
1331                         /* if a directory, do the index thang */
1332                         if (stat(p,&st_buf) < 0)
1333                                 {
1334                                 BIO_puts(io,text);
1335                                 BIO_printf(io,"Error accessing '%s'\r\n",p);
1336                                 ERR_print_errors(io);
1337                                 break;
1338                                 }
1339                         if (S_ISDIR(st_buf.st_mode))
1340                                 {
1341                                 strcat(p,"/index.html");
1342                                 }
1343
1344                         if ((file=BIO_new_file(p,"r")) == NULL)
1345                                 {
1346                                 BIO_puts(io,text);
1347                                 BIO_printf(io,"Error opening '%s'\r\n",p);
1348                                 ERR_print_errors(io);
1349                                 break;
1350                                 }
1351
1352                         if (!s_quiet)
1353                                 BIO_printf(bio_err,"FILE:%s\n",p);
1354
1355                         i=strlen(p);
1356                         if (    ((i > 5) && (strcmp(&(p[i-5]),".html") == 0)) ||
1357                                 ((i > 4) && (strcmp(&(p[i-4]),".php") == 0)) ||
1358                                 ((i > 4) && (strcmp(&(p[i-4]),".htm") == 0)))
1359                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n");
1360                         else
1361                                 BIO_puts(io,"HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n");
1362                         /* send the file */
1363                         total_bytes=0;
1364                         for (;;)
1365                                 {
1366                                 i=BIO_read(file,buf,bufsize);
1367                                 if (i <= 0) break;
1368
1369 #ifdef RENEG
1370                                 total_bytes+=i;
1371                                 fprintf(stderr,"%d\n",i);
1372                                 if (total_bytes > 3*1024)
1373                                         {
1374                                         total_bytes=0;
1375                                         fprintf(stderr,"RENEGOTIATE\n");
1376                                         SSL_renegotiate(con);
1377                                         }
1378 #endif
1379
1380                                 for (j=0; j<i; )
1381                                         {
1382 #ifdef RENEG
1383 { static count=0; if (++count == 13) { SSL_renegotiate(con); } }
1384 #endif
1385                                         k=BIO_write(io,&(buf[j]),i-j);
1386                                         if (k <= 0)
1387                                                 {
1388                                                 if (!BIO_should_retry(io))
1389                                                         goto write_error;
1390                                                 else
1391                                                         {
1392                                                         BIO_printf(bio_s_out,"rwrite W BLOCK\n");
1393                                                         }
1394                                                 }
1395                                         else
1396                                                 {
1397                                                 j+=k;
1398                                                 }
1399                                         }
1400                                 }
1401 write_error:
1402                         BIO_free(file);
1403                         break;
1404                         }
1405                 }
1406
1407         for (;;)
1408                 {
1409                 i=(int)BIO_flush(io);
1410                 if (i <= 0)
1411                         {
1412                         if (!BIO_should_retry(io))
1413                                 break;
1414                         }
1415                 else
1416                         break;
1417                 }
1418 end:
1419 #if 1
1420         /* make sure we re-use sessions */
1421         SSL_set_shutdown(con,SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
1422 #else
1423         /* This kills performace */
1424 /*      SSL_shutdown(con); A shutdown gets sent in the
1425  *      BIO_free_all(io) procession */
1426 #endif
1427
1428 err:
1429
1430         if (ret >= 0)
1431                 BIO_printf(bio_s_out,"ACCEPT\n");
1432
1433         if (buf != NULL) Free(buf);
1434         if (io != NULL) BIO_free_all(io);
1435 /*      if (ssl_bio != NULL) BIO_free(ssl_bio);*/
1436         return(ret);
1437         }
1438
1439 #ifndef NO_RSA
1440 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength)
1441         {
1442         static RSA *rsa_tmp=NULL;
1443
1444         if (rsa_tmp == NULL)
1445                 {
1446                 if (!s_quiet)
1447                         {
1448                         BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
1449                         (void)BIO_flush(bio_err);
1450                         }
1451                 rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
1452                 if (!s_quiet)
1453                         {
1454                         BIO_printf(bio_err,"\n");
1455                         (void)BIO_flush(bio_err);
1456                         }
1457                 }
1458         return(rsa_tmp);
1459         }
1460 #endif