apps/s_client.c

   1 /* apps/s_client.c */
   2 /* Copyright (C) 1995-1997 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 WIN16
  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
  94 #ifndef NOPROTO
  95 static void sc_usage(void);
  96 static void print_stuff(BIO *berr,SSL *con,int full);
  97 #else
  98 static void sc_usage();
  99 static void print_stuff();
 100 #endif
 101
 102 static BIO *bio_c_out=NULL;
 103 static int c_quiet=0;
 104
 105 static void sc_usage()
 106         {
 107         BIO_printf(bio_err,"usage: client args\n");
 108         BIO_printf(bio_err,"\n");
 109         BIO_printf(bio_err," -host host     - use -connect instead\n");
 110         BIO_printf(bio_err," -port port     - use -connect instead\n");
 111         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 112
 113         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 114         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 115         BIO_printf(bio_err," -key arg      - Private key file to use, PEM format assumed, in cert file if\n");
 116         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 117         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 118         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 119         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 120         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 121         BIO_printf(bio_err," -debug        - extra output\n");
 122         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 123         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 124 #ifdef FIONBIO
 125         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 126 #endif
 127         BIO_printf(bio_err," -quiet        - no s_client output\n");
 128         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 129         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 130         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 131         BIO_printf(bio_err," -cipher       - prefered cipher to use, use the 'ssleay ciphers'\n");
 132         BIO_printf(bio_err,"                 command to se what is available\n");
 133
 134         }
 135
 136 int MAIN(argc, argv)
 137 int argc;
 138 char **argv;
 139         {
 140         SSL *con=NULL,*con2=NULL;
 141         int s,k,width,state=0;
 142         char *cbuf=NULL,*sbuf=NULL;
 143         int cbuf_len,cbuf_off;
 144         int sbuf_len,sbuf_off;
 145         fd_set readfds,writefds;
 146         short port=PORT;
 147         int full_log=1;
 148         char *host=SSL_HOST_NAME;
 149         char *cert_file=NULL,*key_file=NULL;
 150         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 151         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 152         int write_tty,read_tty,write_ssl,read_ssl,tty_on;
 153         SSL_CTX *ctx=NULL;
 154         int ret=1,in_init=1,i,nbio_test=0;
 155         SSL_METHOD *meth=NULL;
 156         BIO *sbio;
 157         /*static struct timeval timeout={10,0};*/
 158
 159 #if !defined(NO_SSL2) && !defined(NO_SSL3)
 160         meth=SSLv23_client_method();
 161 #elif !defined(NO_SSL3)
 162         meth=SSLv3_client_method();
 163 #elif !defined(NO_SSL2)
 164         meth=SSLv2_client_method();
 165 #endif
 166
 167         apps_startup();
 168         c_quiet=0;
 169         c_debug=0;
 170
 171         if (bio_err == NULL)
 172                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 173
 174         if (    ((cbuf=Malloc(BUFSIZZ)) == NULL) ||
 175                 ((sbuf=Malloc(BUFSIZZ)) == NULL))
 176                 {
 177                 BIO_printf(bio_err,"out of memory\n");
 178                 goto end;
 179                 }
 180
 181         verify_depth=0;
 182         verify_error=X509_V_OK;
 183 #ifdef FIONBIO
 184         c_nbio=0;
 185 #endif
 186
 187         argc--;
 188         argv++;
 189         while (argc >= 1)
 190                 {
 191                 if      (strcmp(*argv,"-host") == 0)
 192                         {
 193                         if (--argc < 1) goto bad;
 194                         host= *(++argv);
 195                         }
 196                 else if (strcmp(*argv,"-port") == 0)
 197                         {
 198                         if (--argc < 1) goto bad;
 199                         port=atoi(*(++argv));
 200                         if (port == 0) goto bad;
 201                         }
 202                 else if (strcmp(*argv,"-connect") == 0)
 203                         {
 204                         if (--argc < 1) goto bad;
 205                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 206                                 goto bad;
 207                         }
 208                 else if (strcmp(*argv,"-verify") == 0)
 209                         {
 210                         verify=SSL_VERIFY_PEER;
 211                         if (--argc < 1) goto bad;
 212                         verify_depth=atoi(*(++argv));
 213                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 214                         }
 215                 else if (strcmp(*argv,"-cert") == 0)
 216                         {
 217                         if (--argc < 1) goto bad;
 218                         cert_file= *(++argv);
 219                         }
 220                 else if (strcmp(*argv,"-quiet") == 0)
 221                         c_quiet=1;
 222                 else if (strcmp(*argv,"-pause") == 0)
 223                         c_Pause=1;
 224                 else if (strcmp(*argv,"-debug") == 0)
 225                         c_debug=1;
 226                 else if (strcmp(*argv,"-nbio_test") == 0)
 227                         nbio_test=1;
 228                 else if (strcmp(*argv,"-state") == 0)
 229                         state=1;
 230 #ifndef NO_SSL2
 231                 else if (strcmp(*argv,"-ssl2") == 0)
 232                         meth=SSLv2_client_method();
 233 #endif
 234 #ifndef NO_SSL3
 235                 else if (strcmp(*argv,"-ssl3") == 0)
 236                         meth=SSLv3_client_method();
 237 #endif
 238                 else if (strcmp(*argv,"-bugs") == 0)
 239                         bugs=1;
 240                 else if (strcmp(*argv,"-key") == 0)
 241                         {
 242                         if (--argc < 1) goto bad;
 243                         key_file= *(++argv);
 244                         }
 245                 else if (strcmp(*argv,"-reconnect") == 0)
 246                         {
 247                         reconnect=5;
 248                         }
 249                 else if (strcmp(*argv,"-CApath") == 0)
 250                         {
 251                         if (--argc < 1) goto bad;
 252                         CApath= *(++argv);
 253                         }
 254                 else if (strcmp(*argv,"-CAfile") == 0)
 255                         {
 256                         if (--argc < 1) goto bad;
 257                         CAfile= *(++argv);
 258                         }
 259                 else if (strcmp(*argv,"-cipher") == 0)
 260                         {
 261                         if (--argc < 1) goto bad;
 262                         cipher= *(++argv);
 263                         }
 264 #ifdef FIONBIO
 265                 else if (strcmp(*argv,"-nbio") == 0)
 266                         { c_nbio=1; }
 267 #endif
 268                 else
 269                         {
 270                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 271                         badop=1;
 272                         break;
 273                         }
 274                 argc--;
 275                 argv++;
 276                 }
 277         if (badop)
 278                 {
 279 bad:
 280                 sc_usage();
 281                 goto end;
 282                 }
 283
 284         if (bio_c_out == NULL)
 285                 {
 286                 if (c_quiet)
 287                         {
 288                         bio_c_out=BIO_new(BIO_s_null());
 289                         }
 290                 else
 291                         {
 292                         if (bio_c_out == NULL)
 293                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 294                         }
 295                 }
 296
 297         SSLeay_add_ssl_algorithms();
 298         ctx=SSL_CTX_new(meth);
 299         if (ctx == NULL)
 300                 {
 301                 ERR_print_errors(bio_err);
 302                 goto end;
 303                 }
 304
 305         if (bugs) SSL_CTX_set_options(ctx,SSL_OP_ALL);
 306
 307         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 308         if (cipher != NULL)
 309                 SSL_CTX_set_cipher_list(ctx,cipher);
 310 #if 0
 311         else
 312                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 313 #endif
 314
 315         SSL_CTX_set_verify(ctx,verify,verify_callback);
 316         if (!set_cert_stuff(ctx,cert_file,key_file))
 317                 goto end;
 318
 319         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 320                 (!SSL_CTX_set_default_verify_paths(ctx)))
 321                 {
 322                 BIO_printf(bio_err,"error seting default verify locations\n");
 323                 ERR_print_errors(bio_err);
 324                 goto end;
 325                 }
 326
 327         SSL_load_error_strings();
 328
 329         con=(SSL *)SSL_new(ctx);
 330
 331 re_start:
 332
 333         if (init_client(&s,host,port) == 0)
 334                 {
 335                 BIO_printf(bio_err,"connect:errno=%d\n",errno);
 336                 SHUTDOWN(s);
 337                 goto end;
 338                 }
 339         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 340
 341 #ifdef FIONBIO
 342         if (c_nbio)
 343                 {
 344                 unsigned long l=1;
 345                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 346                 socket_ioctl(s,FIONBIO,&l);
 347                 }
 348 #endif
 349         if (c_Pause & 0x01) con->debug=1;
 350         sbio=BIO_new_socket(s,BIO_NOCLOSE);
 351
 352         if (nbio_test)
 353                 {
 354                 BIO *test;
 355
 356                 test=BIO_new(BIO_f_nbio_test());
 357                 sbio=BIO_push(test,sbio);
 358                 }
 359
 360         if (c_debug)
 361                 {
 362                 con->debug=1;
 363                 BIO_set_callback(sbio,bio_dump_cb);
 364                 BIO_set_callback_arg(sbio,bio_c_out);
 365                 }
 366
 367         SSL_set_bio(con,sbio,sbio);
 368         SSL_set_connect_state(con);
 369
 370         /* ok, lets connect */
 371         width=SSL_get_fd(con)+1;
 372
 373         read_tty=1;
 374         write_tty=0;
 375         tty_on=0;
 376         read_ssl=1;
 377         write_ssl=1;
 378
 379         cbuf_len=0;
 380         cbuf_off=0;
 381         sbuf_len=0;
 382         sbuf_off=0;
 383
 384         for (;;)
 385                 {
 386                 FD_ZERO(&readfds);
 387                 FD_ZERO(&writefds);
 388
 389                 if (SSL_in_init(con))
 390                         {
 391                         in_init=1;
 392                         tty_on=0;
 393                         }
 394                 else
 395                         {
 396                         tty_on=1;
 397                         if (in_init)
 398                                 {
 399                                 in_init=0;
 400                                 print_stuff(bio_c_out,con,full_log);
 401                                 if (full_log > 0) full_log--;
 402
 403                                 if (reconnect)
 404                                         {
 405                                         reconnect--;
 406                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 407                                         SSL_shutdown(con);
 408                                         SSL_set_connect_state(con);
 409                                         SHUTDOWN(SSL_get_fd(con));
 410                                         goto re_start;
 411                                         }
 412                                 }
 413                         }
 414
 415 #ifndef WINDOWS
 416                 if (tty_on)
 417                         {
 418                         if (read_tty)  FD_SET(fileno(stdin),&readfds);
 419                         if (write_tty) FD_SET(fileno(stdout),&writefds);
 420                         }
 421 #endif
 422                 if (read_ssl)
 423                         FD_SET(SSL_get_fd(con),&readfds);
 424                 if (write_ssl)
 425                         FD_SET(SSL_get_fd(con),&writefds);
 426
 427 /*              printf("mode tty(%d %d%d) ssl(%d%d)\n",
 428                         tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 429
 430 /*              printf("pending=%d\n",SSL_pending(con)); */
 431                 i=select(width,&readfds,&writefds,NULL,NULL);
 432                 if ( i < 0)
 433                         {
 434                         BIO_printf(bio_err,"bad select %d\n",sock_err());
 435                         goto shut;
 436                         /* goto end; */
 437                         }
 438
 439                 if (FD_ISSET(SSL_get_fd(con),&writefds))
 440                         {
 441                         k=SSL_write(con,&(cbuf[cbuf_off]),
 442                                 (unsigned int)cbuf_len);
 443                         switch (SSL_get_error(con,k))
 444                                 {
 445                         case SSL_ERROR_NONE:
 446                                 cbuf_off+=k;
 447                                 cbuf_len-=k;
 448                                 if (k <= 0) goto end;
 449                                 /* we have done a  write(con,NULL,0); */
 450                                 if (cbuf_len <= 0)
 451                                         {
 452                                         read_tty=1;
 453                                         write_ssl=0;
 454                                         }
 455                                 else /* if (cbuf_len > 0) */
 456                                         {
 457                                         read_tty=0;
 458                                         write_ssl=1;
 459                                         }
 460                                 break;
 461                         case SSL_ERROR_WANT_WRITE:
 462                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 463                                 write_ssl=1;
 464                                 read_tty=0;
 465                                 break;
 466                         case SSL_ERROR_WANT_READ:
 467                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 468                                 write_tty=0;
 469                                 read_ssl=1;
 470                                 write_ssl=0;
 471                                 break;
 472                         case SSL_ERROR_WANT_X509_LOOKUP:
 473                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 474                                 break;
 475                         case SSL_ERROR_ZERO_RETURN:
 476                                 if (cbuf_len != 0)
 477                                         {
 478                                         BIO_printf(bio_c_out,"shutdown\n");
 479                                         goto shut;
 480                                         }
 481                                 else
 482                                         {
 483                                         read_tty=1;
 484                                         write_ssl=0;
 485                                         break;
 486                                         }
 487
 488                         case SSL_ERROR_SYSCALL:
 489                                 if ((k != 0) || (cbuf_len != 0))
 490                                         {
 491                                         BIO_printf(bio_err,"write:errno=%d\n",
 492                                                 errno);
 493                                         goto shut;
 494                                         }
 495                                 else
 496                                         {
 497                                         read_tty=1;
 498                                         write_ssl=0;
 499                                         }
 500                                 break;
 501                         case SSL_ERROR_SSL:
 502                                 ERR_print_errors(bio_err);
 503                                 goto shut;
 504                                 }
 505                         }
 506 #ifndef WINDOWS
 507                 else if (FD_ISSET(fileno(stdout),&writefds))
 508                         {
 509                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
 510
 511                         if (i <= 0)
 512                                 {
 513                                 BIO_printf(bio_c_out,"DONE\n");
 514                                 goto shut;
 515                                 /* goto end; */
 516                                 }
 517
 518                         sbuf_len-=i;;
 519                         sbuf_off+=i;
 520                         if (sbuf_len <= 0)
 521                                 {
 522                                 read_ssl=1;
 523                                 write_tty=0;
 524                                 }
 525                         }
 526 #endif
 527                 else if (FD_ISSET(SSL_get_fd(con),&readfds))
 528                         {
 529                         k=SSL_read(con,sbuf,BUFSIZZ);
 530
 531                         switch (SSL_get_error(con,k))
 532                                 {
 533                         case SSL_ERROR_NONE:
 534                                 if (k <= 0)
 535                                         goto end;
 536                                 sbuf_off=0;
 537                                 sbuf_len=k;
 538
 539                                 read_ssl=0;
 540                                 write_tty=1;
 541                                 break;
 542                         case SSL_ERROR_WANT_WRITE:
 543                                 BIO_printf(bio_c_out,"read W BLOCK\n");
 544                                 write_ssl=1;
 545                                 read_tty=0;
 546                                 break;
 547                         case SSL_ERROR_WANT_READ:
 548                                 BIO_printf(bio_c_out,"read R BLOCK\n");
 549                                 write_tty=0;
 550                                 read_ssl=1;
 551                                 if ((read_tty == 0) && (write_ssl == 0))
 552                                         write_ssl=1;
 553                                 break;
 554                         case SSL_ERROR_WANT_X509_LOOKUP:
 555                                 BIO_printf(bio_c_out,"read X BLOCK\n");
 556                                 break;
 557                         case SSL_ERROR_SYSCALL:
 558                                 BIO_printf(bio_err,"read:errno=%d\n",errno);
 559                                 goto shut;
 560                         case SSL_ERROR_ZERO_RETURN:
 561                                 BIO_printf(bio_c_out,"closed\n");
 562                                 goto shut;
 563                         case SSL_ERROR_SSL:
 564                                 ERR_print_errors(bio_err);
 565                                 goto shut;
 566                                 break;
 567                                 }
 568                         }
 569
 570 #ifndef WINDOWS
 571                 else if (FD_ISSET(fileno(stdin),&readfds))
 572                         {
 573                         i=read(fileno(stdin),cbuf,BUFSIZZ);
 574
 575                         if ((!c_quiet) && ((i <= 0) || (cbuf[0] == 'Q')))
 576                                 {
 577                                 BIO_printf(bio_err,"DONE\n");
 578                                 goto shut;
 579                                 }
 580
 581                         if ((!c_quiet) && (cbuf[0] == 'R'))
 582                                 {
 583                                 SSL_renegotiate(con);
 584                                 read_tty=0;
 585                                 write_ssl=1;
 586                                 }
 587                         else
 588                                 {
 589                                 cbuf_len=i;
 590                                 cbuf_off=0;
 591                                 }
 592
 593                         read_tty=0;
 594                         write_ssl=1;
 595                         }
 596 #endif
 597                 }
 598 shut:
 599         SSL_shutdown(con);
 600         SHUTDOWN(SSL_get_fd(con));
 601         ret=0;
 602 end:
 603         if (con != NULL) SSL_free(con);
 604         if (con2 != NULL) SSL_free(con2);
 605         if (ctx != NULL) SSL_CTX_free(ctx);
 606         if (cbuf != NULL) { memset(cbuf,0,BUFSIZZ); Free(cbuf); }
 607         if (sbuf != NULL) { memset(sbuf,0,BUFSIZZ); Free(sbuf); }
 608         if (bio_c_out != NULL)
 609                 {
 610                 BIO_free(bio_c_out);
 611                 bio_c_out=NULL;
 612                 }
 613         EXIT(ret);
 614         }
 615
 616
 617 static void print_stuff(bio,s,full)
 618 BIO *bio;
 619 SSL *s;
 620 int full;
 621         {
 622         X509 *peer;
 623         char *p;
 624         static char *space="                ";
 625         char buf[BUFSIZ];
 626         STACK *sk;
 627         SSL_CIPHER *c;
 628         X509_NAME *xn;
 629         int j,i;
 630
 631         if (full)
 632                 {
 633                 sk=SSL_get_peer_cert_chain(s);
 634                 if (sk != NULL)
 635                         {
 636                         BIO_printf(bio,"---\nCertficate chain\n");
 637                         for (i=0; i<sk_num(sk); i++)
 638                                 {
 639                                 X509_NAME_oneline(X509_get_subject_name((X509 *)
 640                                         sk_value(sk,i)),buf,BUFSIZ);
 641                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
 642                                 X509_NAME_oneline(X509_get_issuer_name((X509 *)
 643                                         sk_value(sk,i)),buf,BUFSIZ);
 644                                 BIO_printf(bio,"   i:%s\n",buf);
 645                                 }
 646                         }
 647
 648                 BIO_printf(bio,"---\n");
 649                 peer=SSL_get_peer_certificate(s);
 650                 if (peer != NULL)
 651                         {
 652                         BIO_printf(bio,"Server certificate\n");
 653                         PEM_write_bio_X509(bio,peer);
 654                         X509_NAME_oneline(X509_get_subject_name(peer),
 655                                 buf,BUFSIZ);
 656                         BIO_printf(bio,"subject=%s\n",buf);
 657                         X509_NAME_oneline(X509_get_issuer_name(peer),
 658                                 buf,BUFSIZ);
 659                         BIO_printf(bio,"issuer=%s\n",buf);
 660                         X509_free(peer);
 661                         }
 662                 else
 663                         BIO_printf(bio,"no peer certificate available\n");
 664
 665                 sk=SSL_get_client_CA_list(s);
 666                 if ((sk != NULL) && (sk_num(sk) > 0))
 667                         {
 668                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
 669                         for (i=0; i<sk_num(sk); i++)
 670                                 {
 671                                 xn=(X509_NAME *)sk_value(sk,i);
 672                                 X509_NAME_oneline(xn,buf,sizeof(buf));
 673                                 BIO_write(bio,buf,strlen(buf));
 674                                 BIO_write(bio,"\n",1);
 675                                 }
 676                         }
 677                 else
 678                         {
 679                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
 680                         }
 681                 p=SSL_get_shared_ciphers(s,buf,BUFSIZ);
 682                 if (p != NULL)
 683                         {
 684                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
 685                         j=i=0;
 686                         while (*p)
 687                                 {
 688                                 if (*p == ':')
 689                                         {
 690                                         BIO_write(bio,space,15-j);
 691                                         i++;
 692                                         j=0;
 693                                         BIO_write(bio,((i%3)?" ":"\n"),1);
 694                                         }
 695                                 else
 696                                         {
 697                                         BIO_write(bio,p,1);
 698                                         j++;
 699                                         }
 700                                 p++;
 701                                 }
 702                         BIO_write(bio,"\n",1);
 703                         }
 704
 705                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
 706                         BIO_number_read(SSL_get_rbio(s)),
 707                         BIO_number_written(SSL_get_wbio(s)));
 708                 }
 709         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
 710         c=SSL_get_current_cipher(s);
 711         BIO_printf(bio,"%s, Cipher is %s\n",
 712                 SSL_CIPHER_get_version(c),
 713                 SSL_CIPHER_get_name(c));
 714         SSL_SESSION_print(bio,SSL_get_session(s));
 715         BIO_printf(bio,"---\n");
 716         }
 717