apps/s_client.c

   1 /* apps/s_client.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 <stdio.h>
  60 #include <stdlib.h>
  61 #include <string.h>
  62 #define USE_SOCKETS
  63 #ifdef NO_STDIO
  64 #define APPS_WIN16
  65 #endif
  66 #include "apps.h"
  67 #include "x509.h"
  68 #include "ssl.h"
  69 #include "err.h"
  70 #include "pem.h"
  71 #include "s_apps.h"
  72
  73 #undef PROG
  74 #define PROG    s_client_main
  75
  76 /*#define SSL_HOST_NAME "www.netscape.com" */
  77 /*#define SSL_HOST_NAME "193.118.187.102" */
  78 #define SSL_HOST_NAME   "localhost"
  79
  80 /*#define TEST_CERT "client.pem" */ /* no default cert. */
  81
  82 #undef BUFSIZZ
  83 #define BUFSIZZ 1024*8
  84
  85 extern int verify_depth;
  86 extern int verify_error;
  87
  88 #ifdef FIONBIO
  89 static int c_nbio=0;
  90 #endif
  91 static int c_Pause=0;
  92 static int c_debug=0;
  93 static int c_showcerts=0;
  94
  95 #ifndef NOPROTO
  96 static void sc_usage(void);
  97 static void print_stuff(BIO *berr,SSL *con,int full);
  98 #else
  99 static void sc_usage();
 100 static void print_stuff();
 101 #endif
 102
 103 static BIO *bio_c_out=NULL;
 104 static int c_quiet=0;
 105
 106 static void sc_usage(void)
 107         {
 108         BIO_printf(bio_err,"usage: s_client args\n");
 109         BIO_printf(bio_err,"\n");
 110         BIO_printf(bio_err," -host host     - use -connect instead\n");
 111         BIO_printf(bio_err," -port port     - use -connect instead\n");
 112         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 113
 114         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 115         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 116         BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");
 117         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 118         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 119         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 120         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 121         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 122         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 123         BIO_printf(bio_err," -debug        - extra output\n");
 124         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 125         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 126 #ifdef FIONBIO
 127         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 128 #endif
 129         BIO_printf(bio_err," -quiet        - no s_client output\n");
 130         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 131         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 132         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 133         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 134         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 135         BIO_printf(bio_err," -cipher       - prefered cipher to use, use the 'openssl ciphers'\n");
 136         BIO_printf(bio_err,"                 command to see what is available\n");
 137
 138         }
 139
 140 int MAIN(int argc, char **argv)
 141         {
 142         int off=0;
 143         SSL *con=NULL,*con2=NULL;
 144         int s,k,width,state=0;
 145         char *cbuf=NULL,*sbuf=NULL;
 146         int cbuf_len,cbuf_off;
 147         int sbuf_len,sbuf_off;
 148         fd_set readfds,writefds;
 149         short port=PORT;
 150         int full_log=1;
 151         char *host=SSL_HOST_NAME;
 152         char *cert_file=NULL,*key_file=NULL;
 153         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 154         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 155         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 156         SSL_CTX *ctx=NULL;
 157         int ret=1,in_init=1,i,nbio_test=0;
 158         SSL_METHOD *meth=NULL;
 159         BIO *sbio;
 160         /*static struct timeval timeout={10,0};*/
 161
 162 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 163         meth=SSLv23_client_method();
 164 #elif !defined(NO_SSL3)
 165         meth=SSLv3_client_method();
 166 #elif !defined(NO_SSL2)
 167         meth=SSLv2_client_method();
 168 #endif
 169
 170         apps_startup();
 171         c_Pause=0;
 172         c_quiet=0;
 173         c_debug=0;
 174         c_showcerts=0;
 175
 176         if (bio_err == NULL)
 177                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 178
 179         if (    ((cbuf=Malloc(BUFSIZZ)) == NULL) ||
 180                 ((sbuf=Malloc(BUFSIZZ)) == NULL))
 181                 {
 182                 BIO_printf(bio_err,"out of memory\n");
 183                 goto end;
 184                 }
 185
 186         verify_depth=0;
 187         verify_error=X509_V_OK;
 188 #ifdef FIONBIO
 189         c_nbio=0;
 190 #endif
 191
 192         argc--;
 193         argv++;
 194         while (argc >= 1)
 195                 {
 196                 if      (strcmp(*argv,"-host") == 0)
 197                         {
 198                         if (--argc < 1) goto bad;
 199                         host= *(++argv);
 200                         }
 201                 else if (strcmp(*argv,"-port") == 0)
 202                         {
 203                         if (--argc < 1) goto bad;
 204                         port=atoi(*(++argv));
 205                         if (port == 0) goto bad;
 206                         }
 207                 else if (strcmp(*argv,"-connect") == 0)
 208                         {
 209                         if (--argc < 1) goto bad;
 210                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 211                                 goto bad;
 212                         }
 213                 else if (strcmp(*argv,"-verify") == 0)
 214                         {
 215                         verify=SSL_VERIFY_PEER;
 216                         if (--argc < 1) goto bad;
 217                         verify_depth=atoi(*(++argv));
 218                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 219                         }
 220                 else if (strcmp(*argv,"-cert") == 0)
 221                         {
 222                         if (--argc < 1) goto bad;
 223                         cert_file= *(++argv);
 224                         }
 225                 else if (strcmp(*argv,"-quiet") == 0)
 226                         c_quiet=1;
 227                 else if (strcmp(*argv,"-pause") == 0)
 228                         c_Pause=1;
 229                 else if (strcmp(*argv,"-debug") == 0)
 230                         c_debug=1;
 231                 else if (strcmp(*argv,"-showcerts") == 0)
 232                         c_showcerts=1;
 233                 else if (strcmp(*argv,"-nbio_test") == 0)
 234                         nbio_test=1;
 235                 else if (strcmp(*argv,"-state") == 0)
 236                         state=1;
 237 #ifndef NO_SSL2
 238                 else if (strcmp(*argv,"-ssl2") == 0)
 239                         meth=SSLv2_client_method();
 240 #endif
 241 #ifndef NO_SSL3
 242                 else if (strcmp(*argv,"-ssl3") == 0)
 243                         meth=SSLv3_client_method();
 244 #endif
 245 #ifndef NO_TLS1
 246                 else if (strcmp(*argv,"-tls1") == 0)
 247                         meth=TLSv1_client_method();
 248 #endif
 249                 else if (strcmp(*argv,"-bugs") == 0)
 250                         bugs=1;
 251                 else if (strcmp(*argv,"-key") == 0)
 252                         {
 253                         if (--argc < 1) goto bad;
 254                         key_file= *(++argv);
 255                         }
 256                 else if (strcmp(*argv,"-reconnect") == 0)
 257                         {
 258                         reconnect=5;
 259                         }
 260                 else if (strcmp(*argv,"-CApath") == 0)
 261                         {
 262                         if (--argc < 1) goto bad;
 263                         CApath= *(++argv);
 264                         }
 265                 else if (strcmp(*argv,"-CAfile") == 0)
 266                         {
 267                         if (--argc < 1) goto bad;
 268                         CAfile= *(++argv);
 269                         }
 270                 else if (strcmp(*argv,"-no_tls1") == 0)
 271                         off|=SSL_OP_NO_TLSv1;
 272                 else if (strcmp(*argv,"-no_ssl3") == 0)
 273                         off|=SSL_OP_NO_SSLv3;
 274                 else if (strcmp(*argv,"-no_ssl2") == 0)
 275                         off|=SSL_OP_NO_SSLv2;
 276                 else if (strcmp(*argv,"-cipher") == 0)
 277                         {
 278                         if (--argc < 1) goto bad;
 279                         cipher= *(++argv);
 280                         }
 281 #ifdef FIONBIO
 282                 else if (strcmp(*argv,"-nbio") == 0)
 283                         { c_nbio=1; }
 284 #endif
 285                 else
 286                         {
 287                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 288                         badop=1;
 289                         break;
 290                         }
 291                 argc--;
 292                 argv++;
 293                 }
 294         if (badop)
 295                 {
 296 bad:
 297                 sc_usage();
 298                 goto end;
 299                 }
 300
 301         if (bio_c_out == NULL)
 302                 {
 303                 if (c_quiet)
 304                         {
 305                         bio_c_out=BIO_new(BIO_s_null());
 306                         }
 307                 else
 308                         {
 309                         if (bio_c_out == NULL)
 310                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 311                         }
 312                 }
 313
 314         SSLeay_add_ssl_algorithms();
 315         ctx=SSL_CTX_new(meth);
 316         if (ctx == NULL)
 317                 {
 318                 ERR_print_errors(bio_err);
 319                 goto end;
 320                 }
 321
 322         if (bugs)
 323                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 324         else
 325                 SSL_CTX_set_options(ctx,off);
 326
 327         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 328         if (cipher != NULL)
 329                 SSL_CTX_set_cipher_list(ctx,cipher);
 330 #if 0
 331         else
 332                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 333 #endif
 334
 335         SSL_CTX_set_verify(ctx,verify,verify_callback);
 336         if (!set_cert_stuff(ctx,cert_file,key_file))
 337                 goto end;
 338
 339         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 340                 (!SSL_CTX_set_default_verify_paths(ctx)))
 341                 {
 342                 /* BIO_printf(bio_err,"error seting default verify locations\n"); */
 343                 ERR_print_errors(bio_err);
 344                 /* goto end; */
 345                 }
 346
 347         SSL_load_error_strings();
 348
 349         con=(SSL *)SSL_new(ctx);
 350 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 351
 352 re_start:
 353
 354         if (init_client(&s,host,port) == 0)
 355                 {
 356                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 357                 SHUTDOWN(s);
 358                 goto end;
 359                 }
 360         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 361
 362 #ifdef FIONBIO
 363         if (c_nbio)
 364                 {
 365                 unsigned long l=1;
 366                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 367                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 368                         {
 369                         ERR_print_errors(bio_err);
 370                         goto end;
 371                         }
 372                 }
 373 #endif
 374         if (c_Pause & 0x01) con->debug=1;
 375         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 376
 377         if (nbio_test)
 378                 {
 379                 BIO *test;
 380
 381                 test=BIO_new(BIO_f_nbio_test());
 382                 sbio=BIO_push(test,sbio);
 383                 }
 384
 385         if (c_debug)
 386                 {
 387                 con->debug=1;
 388                 BIO_set_callback(sbio,bio_dump_cb);
 389                 BIO_set_callback_arg(sbio,bio_c_out);
 390                 }
 391
 392         SSL_set_bio(con,sbio,sbio);
 393         SSL_set_connect_state(con);
 394
 395         /* ok, lets connect */
 396         width=SSL_get_fd(con)+1;
 397
 398         read_tty=1;
 399         write_tty=0;
 400         tty_on=0;
 401         read_ssl=1;
 402         write_ssl=1;
 403
 404         cbuf_len=0;
 405         cbuf_off=0;
 406         sbuf_len=0;
 407         sbuf_off=0;
 408
 409         for (;;)
 410                 {
 411                 FD_ZERO(&readfds);
 412                 FD_ZERO(&writefds);
 413
 414                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 415                         {
 416                         in_init=1;
 417                         tty_on=0;
 418                         }
 419                 else
 420                         {
 421                         tty_on=1;
 422                         if (in_init)
 423                                 {
 424                                 in_init=0;
 425                                 print_stuff(bio_c_out,con,full_log);
 426                                 if (full_log > 0) full_log--;
 427
 428                                 if (reconnect)
 429                                         {
 430                                         reconnect--;
 431                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 432                                         SSL_shutdown(con);
 433                                         SSL_set_connect_state(con);
 434                                         SHUTDOWN(SSL_get_fd(con));
 435                                         goto re_start;
 436                                         }
 437                                 }
 438                         }
 439
 440                 ssl_pending = read_ssl && SSL_pending(con);
 441
 442                 if (!ssl_pending)
 443                         {
 444 #ifndef WINDOWS
 445                         if (tty_on)
 446                                 {
 447                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
 448                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
 449                                 }
 450 #endif
 451                         if (read_ssl)
 452                                 FD_SET(SSL_get_fd(con),&readfds);
 453                         if (write_ssl)
 454                                 FD_SET(SSL_get_fd(con),&writefds);
 455
 456 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
 457                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 458
 459                         i=select(width,&readfds,&writefds,NULL,NULL);
 460                         if ( i < 0)
 461                                 {
 462                                 BIO_printf(bio_err,"bad select %d\n",
 463                                 get_last_socket_error());
 464                                 goto shut;
 465                                 /* goto end; */
 466                                 }
 467                         }
 468
 469                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 470                         {
 471                         k=SSL_write(con,&(cbuf[cbuf_off]),
 472                                 (unsigned int)cbuf_len);
 473                         switch (SSL_get_error(con,k))
 474                                 {
 475                         case SSL_ERROR_NONE:
 476                                 cbuf_off+=k;
 477                                 cbuf_len-=k;
 478                                 if (k <= 0) goto end;
 479                                 /* we have done a  write(con,NULL,0); */
 480                                 if (cbuf_len <= 0)
 481                                         {
 482                                         read_tty=1;
 483                                         write_ssl=0;
 484                                         }
 485                                 else /* if (cbuf_len > 0) */
 486                                         {
 487                                         read_tty=0;
 488                                         write_ssl=1;
 489                                         }
 490                                 break;
 491                         case SSL_ERROR_WANT_WRITE:
 492                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 493                                 write_ssl=1;
 494                                 read_tty=0;
 495                                 break;
 496                         case SSL_ERROR_WANT_READ:
 497                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 498                                 write_tty=0;
 499                                 read_ssl=1;
 500                                 write_ssl=0;
 501                                 break;
 502                         case SSL_ERROR_WANT_X509_LOOKUP:
 503                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 504                                 break;
 505                         case SSL_ERROR_ZERO_RETURN:
 506                                 if (cbuf_len != 0)
 507                                         {
 508                                         BIO_printf(bio_c_out,"shutdown\n");
 509                                         goto shut;
 510                                         }
 511                                 else
 512                                         {
 513                                         read_tty=1;
 514                                         write_ssl=0;
 515                                         break;
 516                                         }
 517
 518                         case SSL_ERROR_SYSCALL:
 519                                 if ((k != 0) || (cbuf_len != 0))
 520                                         {
 521                                         BIO_printf(bio_err,"write:errno=%d\n",
 522                                                 get_last_socket_error());
 523                                         goto shut;
 524                                         }
 525                                 else
 526                                         {
 527                                         read_tty=1;
 528                                         write_ssl=0;
 529                                         }
 530                                 break;
 531                         case SSL_ERROR_SSL:
 532                                 ERR_print_errors(bio_err);
 533                                 goto shut;
 534                                 }
 535                         }
 536 #ifndef WINDOWS
 537                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
 538                         {
 539                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
 540
 541                         if (i <= 0)
 542                                 {
 543                                 BIO_printf(bio_c_out,"DONE\n");
 544                                 goto shut;
 545                                 /* goto end; */
 546                                 }
 547
 548                         sbuf_len-=i;;
 549                         sbuf_off+=i;
 550                         if (sbuf_len <= 0)
 551                                 {
 552                                 read_ssl=1;
 553                                 write_tty=0;
 554                                 }
 555                         }
 556 #endif
 557                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 558                         {
 559 #ifdef RENEG
 560 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
 561 #endif
 562 #if 1
 563                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
 564 #else
 565 /* Demo for pending and peek :-) */
 566                         k=SSL_read(con,sbuf,16);
 567 { char zbuf[10240];
 568 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
 569 }
 570 #endif
 571
 572                         switch (SSL_get_error(con,k))
 573                                 {
 574                         case SSL_ERROR_NONE:
 575                                 if (k <= 0)
 576                                         goto end;
 577                                 sbuf_off=0;
 578                                 sbuf_len=k;
 579
 580                                 read_ssl=0;
 581                                 write_tty=1;
 582                                 break;
 583                         case SSL_ERROR_WANT_WRITE:
 584                                 BIO_printf(bio_c_out,"read W BLOCK\n");
 585                                 write_ssl=1;
 586                                 read_tty=0;
 587                                 break;
 588                         case SSL_ERROR_WANT_READ:
 589                                 BIO_printf(bio_c_out,"read R BLOCK\n");
 590                                 write_tty=0;
 591                                 read_ssl=1;
 592                                 if ((read_tty == 0) && (write_ssl == 0))
 593                                         write_ssl=1;
 594                                 break;
 595                         case SSL_ERROR_WANT_X509_LOOKUP:
 596                                 BIO_printf(bio_c_out,"read X BLOCK\n");
 597                                 break;
 598                         case SSL_ERROR_SYSCALL:
 599                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
 600                                 goto shut;
 601                         case SSL_ERROR_ZERO_RETURN:
 602                                 BIO_printf(bio_c_out,"closed\n");
 603                                 goto shut;
 604                         case SSL_ERROR_SSL:
 605                                 ERR_print_errors(bio_err);
 606                                 goto shut;
 607                                 /* break; */
 608                                 }
 609                         }
 610
 611 #ifndef WINDOWS
 612                 else if (FD_ISSET(fileno(stdin),&readfds))
 613                         {
 614                         i=read(fileno(stdin),cbuf,BUFSIZZ);
 615
 616                         if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
 617                                 {
 618                                 BIO_printf(bio_err,"DONE\n");
 619                                 goto shut;
 620                                 }
 621
 622                         if ((!c_quiet) && (cbuf[0] == 'R'))
 623                                 {
 624                                 BIO_printf(bio_err,"RENEGOTIATING\n");
 625                                 SSL_renegotiate(con);
 626                                 cbuf_len=0;
 627                                 }
 628                         else
 629                                 {
 630                                 cbuf_len=i;
 631                                 cbuf_off=0;
 632                                 }
 633
 634                         write_ssl=1;
 635                         read_tty=0;
 636                         }
 637 #endif
 638                 }
 639 shut:
 640         SSL_shutdown(con);
 641         SHUTDOWN(SSL_get_fd(con));
 642         ret=0;
 643 end:
 644         if (con != NULL) SSL_free(con);
 645         if (con2 != NULL) SSL_free(con2);
 646         if (ctx != NULL) SSL_CTX_free(ctx);
 647         if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); }
 648         if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
 649         if (bio_c_out != NULL)
 650                 {
 651                 BIO_free(bio_c_out);
 652                 bio_c_out=NULL;
 653                 }
 654         EXIT(ret);
 655         }
 656
 657
 658 static void print_stuff(BIO *bio, SSL *s, int full)
 659         {
 660         X509 *peer=NULL;
 661         char *p;
 662         static char *space="                ";
 663         char buf[BUFSIZ];
 664         STACK_OF(X509) *sk;
 665         STACK_OF(X509_NAME) *sk2;
 666         SSL_CIPHER *c;
 667         X509_NAME *xn;
 668         int j,i;
 669
 670         if (full)
 671                 {
 672                 sk=SSL_get_peer_cert_chain(s);
 673                 if (sk != NULL)
 674                         {
 675                         BIO_printf(bio,"---\nCertificate chain\n");
 676                         for (i=0; i<sk_X509_num(sk); i++)
 677                                 {
 678                                 X509_NAME_oneline(X509_get_subject_name(
 679                                         sk_X509_value(sk,i)),buf,BUFSIZ);
 680                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
 681                                 X509_NAME_oneline(X509_get_issuer_name(
 682                                         sk_X509_value(sk,i)),buf,BUFSIZ);
 683                                 BIO_printf(bio,"   i:%s\n",buf);
 684                                 if (c_showcerts)
 685                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
 686                                 }
 687                         }
 688
 689                 BIO_printf(bio,"---\n");
 690                 peer=SSL_get_peer_certificate(s);
 691                 if (peer != NULL)
 692                         {
 693                         BIO_printf(bio,"Server certificate\n");
 694                         if (!c_showcerts) /* Redundant if we showed the whole chain */
 695                                 PEM_write_bio_X509(bio,peer);
 696                         X509_NAME_oneline(X509_get_subject_name(peer),
 697                                 buf,BUFSIZ);
 698                         BIO_printf(bio,"subject=%s\n",buf);
 699                         X509_NAME_oneline(X509_get_issuer_name(peer),
 700                                 buf,BUFSIZ);
 701                         BIO_printf(bio,"issuer=%s\n",buf);
 702                         }
 703                 else
 704                         BIO_printf(bio,"no peer certificate available\n");
 705
 706                 sk2=SSL_get_client_CA_list(s);
 707                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
 708                         {
 709                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
 710                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
 711                                 {
 712                                 xn=sk_X509_NAME_value(sk2,i);
 713                                 X509_NAME_oneline(xn,buf,sizeof(buf));
 714                                 BIO_write(bio,buf,strlen(buf));
 715                                 BIO_write(bio,"\n",1);
 716                                 }
 717                         }
 718                 else
 719                         {
 720                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
 721                         }
 722                 p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
 723                 if (p != NULL)
 724                         {
 725                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
 726                         j=i=0;
 727                         while (*p)
 728                                 {
 729                                 if (*p == ':')
 730                                         {
 731                                         BIO_write(bio,space,15-j%25);
 732                                         i++;
 733                                         j=0;
 734                                         BIO_write(bio,((i%3)?" ":"\n"),1);
 735                                         }
 736                                 else
 737                                         {
 738                                         BIO_write(bio,p,1);
 739                                         j++;
 740                                         }
 741                                 p++;
 742                                 }
 743                         BIO_write(bio,"\n",1);
 744                         }
 745
 746                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
 747                         BIO_number_read(SSL_get_rbio(s)),
 748                         BIO_number_written(SSL_get_wbio(s)));
 749                 }
 750         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
 751         c=SSL_get_current_cipher(s);
 752         BIO_printf(bio,"%s, Cipher is %s\n",
 753                 SSL_CIPHER_get_version(c),
 754                 SSL_CIPHER_get_name(c));
 755         if (peer != NULL) {
 756                 EVP_PKEY *pktmp;
 757                 pktmp = X509_get_pubkey(peer);
 758                 BIO_printf(bio,"Server public key is %d bit\n",
 759                                                          EVP_PKEY_bits(pktmp));
 760                 EVP_PKEY_free(pktmp);
 761         }
 762         SSL_SESSION_print(bio,SSL_get_session(s));
 763         BIO_printf(bio,"---\n");
 764         if (peer != NULL)
 765                 X509_free(peer);
 766         }
 767