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  * Copyright (c) 1998-2001 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111
 112 #include <assert.h>
 113 #include <stdio.h>
 114 #include <stdlib.h>
 115 #include <string.h>
 116 #include <openssl/e_os2.h>
 117 #ifdef OPENSSL_NO_STDIO
 118 #define APPS_WIN16
 119 #endif
 120
 121 /* With IPv6, it looks like Digital has mixed up the proper order of
 122    recursive header file inclusion, resulting in the compiler complaining
 123    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 124    is needed to have fileno() declared correctly...  So let's define u_int */
 125 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 126 #define __U_INT
 127 typedef unsigned int u_int;
 128 #endif
 129
 130 #define USE_SOCKETS
 131 #include "apps.h"
 132 #include <openssl/x509.h>
 133 #include <openssl/ssl.h>
 134 #include <openssl/err.h>
 135 #include <openssl/pem.h>
 136 #include <openssl/rand.h>
 137 #include "s_apps.h"
 138 #include "timeouts.h"
 139
 140 #ifdef OPENSSL_SYS_WINCE
 141 /* Windows CE incorrectly defines fileno as returning void*, so to avoid problems below... */
 142 #ifdef fileno
 143 #undef fileno
 144 #endif
 145 #define fileno(a) (int)_fileno(a)
 146 #endif
 147
 148
 149 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 150 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 151 #undef FIONBIO
 152 #endif
 153
 154 #undef PROG
 155 #define PROG    s_client_main
 156
 157 /*#define SSL_HOST_NAME "www.netscape.com" */
 158 /*#define SSL_HOST_NAME "193.118.187.102" */
 159 #define SSL_HOST_NAME   "localhost"
 160
 161 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 162
 163 #undef BUFSIZZ
 164 #define BUFSIZZ 1024*8
 165
 166 extern int verify_depth;
 167 extern int verify_error;
 168
 169 #ifdef FIONBIO
 170 static int c_nbio=0;
 171 #endif
 172 static int c_Pause=0;
 173 static int c_debug=0;
 174 static int c_msg=0;
 175 static int c_showcerts=0;
 176
 177 static void sc_usage(void);
 178 static void print_stuff(BIO *berr,SSL *con,int full);
 179 static BIO *bio_c_out=NULL;
 180 static int c_quiet=0;
 181 static int c_ign_eof=0;
 182
 183 static void sc_usage(void)
 184         {
 185         BIO_printf(bio_err,"usage: s_client args\n");
 186         BIO_printf(bio_err,"\n");
 187         BIO_printf(bio_err," -host host     - use -connect instead\n");
 188         BIO_printf(bio_err," -port port     - use -connect instead\n");
 189         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 190
 191         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 192         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 193         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 194         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 195         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 196         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 197         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 198         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 199         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 200         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 201         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 202         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 203         BIO_printf(bio_err," -debug        - extra output\n");
 204 #ifdef WATT32
 205         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 206 #endif
 207         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 208         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 209         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 210 #ifdef FIONBIO
 211         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 212 #endif
 213         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 214         BIO_printf(bio_err," -quiet        - no s_client output\n");
 215         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 216         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 217         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 218         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 219         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 220         BIO_printf(bio_err," -mtu          - set the MTU\n");
 221         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 222         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 223         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 224         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 225         BIO_printf(bio_err,"                 command to see what is available\n");
 226         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 227         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 228         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 229         BIO_printf(bio_err,"                 only \"smtp\" and \"pop3\" are supported.\n");
 230 #ifndef OPENSSL_NO_ENGINE
 231         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 232 #endif
 233         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 234
 235         }
 236
 237 int MAIN(int, char **);
 238
 239 int MAIN(int argc, char **argv)
 240         {
 241         int off=0;
 242         SSL *con=NULL,*con2=NULL;
 243         X509_STORE *store = NULL;
 244         int s,k,width,state=0;
 245         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 246         int cbuf_len,cbuf_off;
 247         int sbuf_len,sbuf_off;
 248         fd_set readfds,writefds;
 249         short port=PORT;
 250         int full_log=1;
 251         char *host=SSL_HOST_NAME;
 252         char *cert_file=NULL,*key_file=NULL;
 253         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 254         char *passarg = NULL, *pass = NULL;
 255         X509 *cert = NULL;
 256         EVP_PKEY *key = NULL;
 257         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 258         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 259         int crlf=0;
 260         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 261         SSL_CTX *ctx=NULL;
 262         int ret=1,in_init=1,i,nbio_test=0;
 263         int starttls_proto = 0;
 264         int prexit = 0, vflags = 0;
 265         const SSL_METHOD *meth=NULL;
 266 #ifdef sock_type
 267 #undef sock_type
 268 #endif
 269         int sock_type=SOCK_STREAM;
 270         BIO *sbio;
 271         char *inrand=NULL;
 272 #ifndef OPENSSL_NO_ENGINE
 273         char *engine_id=NULL;
 274         ENGINE *e=NULL;
 275 #endif
 276 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 277         struct timeval tv;
 278 #endif
 279
 280         struct sockaddr peer;
 281         int peerlen = sizeof(peer);
 282         int enable_timeouts = 0 ;
 283         long mtu = 0;
 284
 285 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 286         meth=SSLv23_client_method();
 287 #elif !defined(OPENSSL_NO_SSL3)
 288         meth=SSLv3_client_method();
 289 #elif !defined(OPENSSL_NO_SSL2)
 290         meth=SSLv2_client_method();
 291 #endif
 292
 293         apps_startup();
 294         c_Pause=0;
 295         c_quiet=0;
 296         c_ign_eof=0;
 297         c_debug=0;
 298         c_msg=0;
 299         c_showcerts=0;
 300
 301         if (bio_err == NULL)
 302                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 303
 304         if (!load_config(bio_err, NULL))
 305                 goto end;
 306
 307         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 308                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 309                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 310                 {
 311                 BIO_printf(bio_err,"out of memory\n");
 312                 goto end;
 313                 }
 314
 315         verify_depth=0;
 316         verify_error=X509_V_OK;
 317 #ifdef FIONBIO
 318         c_nbio=0;
 319 #endif
 320
 321         argc--;
 322         argv++;
 323         while (argc >= 1)
 324                 {
 325                 if      (strcmp(*argv,"-host") == 0)
 326                         {
 327                         if (--argc < 1) goto bad;
 328                         host= *(++argv);
 329                         }
 330                 else if (strcmp(*argv,"-port") == 0)
 331                         {
 332                         if (--argc < 1) goto bad;
 333                         port=atoi(*(++argv));
 334                         if (port == 0) goto bad;
 335                         }
 336                 else if (strcmp(*argv,"-connect") == 0)
 337                         {
 338                         if (--argc < 1) goto bad;
 339                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 340                                 goto bad;
 341                         }
 342                 else if (strcmp(*argv,"-verify") == 0)
 343                         {
 344                         verify=SSL_VERIFY_PEER;
 345                         if (--argc < 1) goto bad;
 346                         verify_depth=atoi(*(++argv));
 347                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 348                         }
 349                 else if (strcmp(*argv,"-cert") == 0)
 350                         {
 351                         if (--argc < 1) goto bad;
 352                         cert_file= *(++argv);
 353                         }
 354                 else if (strcmp(*argv,"-certform") == 0)
 355                         {
 356                         if (--argc < 1) goto bad;
 357                         cert_format = str2fmt(*(++argv));
 358                         }
 359                 else if (strcmp(*argv,"-crl_check") == 0)
 360                         vflags |= X509_V_FLAG_CRL_CHECK;
 361                 else if (strcmp(*argv,"-crl_check_all") == 0)
 362                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 363                 else if (strcmp(*argv,"-prexit") == 0)
 364                         prexit=1;
 365                 else if (strcmp(*argv,"-crlf") == 0)
 366                         crlf=1;
 367                 else if (strcmp(*argv,"-quiet") == 0)
 368                         {
 369                         c_quiet=1;
 370                         c_ign_eof=1;
 371                         }
 372                 else if (strcmp(*argv,"-ign_eof") == 0)
 373                         c_ign_eof=1;
 374                 else if (strcmp(*argv,"-pause") == 0)
 375                         c_Pause=1;
 376                 else if (strcmp(*argv,"-debug") == 0)
 377                         c_debug=1;
 378 #ifdef WATT32
 379                 else if (strcmp(*argv,"-wdebug") == 0)
 380                         dbug_init();
 381 #endif
 382                 else if (strcmp(*argv,"-msg") == 0)
 383                         c_msg=1;
 384                 else if (strcmp(*argv,"-showcerts") == 0)
 385                         c_showcerts=1;
 386                 else if (strcmp(*argv,"-nbio_test") == 0)
 387                         nbio_test=1;
 388                 else if (strcmp(*argv,"-state") == 0)
 389                         state=1;
 390 #ifndef OPENSSL_NO_SSL2
 391                 else if (strcmp(*argv,"-ssl2") == 0)
 392                         meth=SSLv2_client_method();
 393 #endif
 394 #ifndef OPENSSL_NO_SSL3
 395                 else if (strcmp(*argv,"-ssl3") == 0)
 396                         meth=SSLv3_client_method();
 397 #endif
 398 #ifndef OPENSSL_NO_TLS1
 399                 else if (strcmp(*argv,"-tls1") == 0)
 400                         meth=TLSv1_client_method();
 401 #endif
 402 #ifndef OPENSSL_NO_DTLS1
 403                 else if (strcmp(*argv,"-dtls1") == 0)
 404                         {
 405                         meth=DTLSv1_client_method();
 406                         sock_type=SOCK_DGRAM;
 407                         }
 408                 else if (strcmp(*argv,"-timeout") == 0)
 409                         enable_timeouts=1;
 410                 else if (strcmp(*argv,"-mtu") == 0)
 411                         {
 412                         if (--argc < 1) goto bad;
 413                         mtu = atol(*(++argv));
 414                         }
 415 #endif
 416                 else if (strcmp(*argv,"-bugs") == 0)
 417                         bugs=1;
 418                 else if (strcmp(*argv,"-keyform") == 0)
 419                         {
 420                         if (--argc < 1) goto bad;
 421                         key_format = str2fmt(*(++argv));
 422                         }
 423                 else if (strcmp(*argv,"-pass") == 0)
 424                         {
 425                         if (--argc < 1) goto bad;
 426                         passarg = *(++argv);
 427                         }
 428                 else if (strcmp(*argv,"-key") == 0)
 429                         {
 430                         if (--argc < 1) goto bad;
 431                         key_file= *(++argv);
 432                         }
 433                 else if (strcmp(*argv,"-reconnect") == 0)
 434                         {
 435                         reconnect=5;
 436                         }
 437                 else if (strcmp(*argv,"-CApath") == 0)
 438                         {
 439                         if (--argc < 1) goto bad;
 440                         CApath= *(++argv);
 441                         }
 442                 else if (strcmp(*argv,"-CAfile") == 0)
 443                         {
 444                         if (--argc < 1) goto bad;
 445                         CAfile= *(++argv);
 446                         }
 447                 else if (strcmp(*argv,"-no_tls1") == 0)
 448                         off|=SSL_OP_NO_TLSv1;
 449                 else if (strcmp(*argv,"-no_ssl3") == 0)
 450                         off|=SSL_OP_NO_SSLv3;
 451                 else if (strcmp(*argv,"-no_ssl2") == 0)
 452                         off|=SSL_OP_NO_SSLv2;
 453                 else if (strcmp(*argv,"-serverpref") == 0)
 454                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 455                 else if (strcmp(*argv,"-cipher") == 0)
 456                         {
 457                         if (--argc < 1) goto bad;
 458                         cipher= *(++argv);
 459                         }
 460 #ifdef FIONBIO
 461                 else if (strcmp(*argv,"-nbio") == 0)
 462                         { c_nbio=1; }
 463 #endif
 464                 else if (strcmp(*argv,"-starttls") == 0)
 465                         {
 466                         if (--argc < 1) goto bad;
 467                         ++argv;
 468                         if (strcmp(*argv,"smtp") == 0)
 469                                 starttls_proto = 1;
 470                         else if (strcmp(*argv,"pop3") == 0)
 471                                 starttls_proto = 2;
 472                         else
 473                                 goto bad;
 474                         }
 475 #ifndef OPENSSL_NO_ENGINE
 476                 else if (strcmp(*argv,"-engine") == 0)
 477                         {
 478                         if (--argc < 1) goto bad;
 479                         engine_id = *(++argv);
 480                         }
 481 #endif
 482                 else if (strcmp(*argv,"-rand") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         inrand= *(++argv);
 486                         }
 487                 else
 488                         {
 489                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 490                         badop=1;
 491                         break;
 492                         }
 493                 argc--;
 494                 argv++;
 495                 }
 496         if (badop)
 497                 {
 498 bad:
 499                 sc_usage();
 500                 goto end;
 501                 }
 502
 503         OpenSSL_add_ssl_algorithms();
 504         SSL_load_error_strings();
 505
 506 #ifndef OPENSSL_NO_ENGINE
 507         e = setup_engine(bio_err, engine_id, 1);
 508 #endif
 509         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 510                 {
 511                 BIO_printf(bio_err, "Error getting password\n");
 512                 goto end;
 513                 }
 514
 515         if (key_file == NULL)
 516                 key_file = cert_file;
 517
 518
 519         if (key_file)
 520
 521                 {
 522
 523                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 524                                "client certificate private key file");
 525                 if (!key)
 526                         {
 527                         ERR_print_errors(bio_err);
 528                         goto end;
 529                         }
 530
 531                 }
 532
 533         if (cert_file)
 534
 535                 {
 536                 cert = load_cert(bio_err,cert_file,cert_format,
 537                                 NULL, e, "client certificate file");
 538
 539                 if (!cert)
 540                         {
 541                         ERR_print_errors(bio_err);
 542                         goto end;
 543                         }
 544                 }
 545
 546         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 547                 && !RAND_status())
 548                 {
 549                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 550                 }
 551         if (inrand != NULL)
 552                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 553                         app_RAND_load_files(inrand));
 554
 555         if (bio_c_out == NULL)
 556                 {
 557                 if (c_quiet && !c_debug && !c_msg)
 558                         {
 559                         bio_c_out=BIO_new(BIO_s_null());
 560                         }
 561                 else
 562                         {
 563                         if (bio_c_out == NULL)
 564                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 565                         }
 566                 }
 567
 568         ctx=SSL_CTX_new(meth);
 569         if (ctx == NULL)
 570                 {
 571                 ERR_print_errors(bio_err);
 572                 goto end;
 573                 }
 574
 575         if (bugs)
 576                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 577         else
 578                 SSL_CTX_set_options(ctx,off);
 579         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 580          * Setting read ahead solves this problem.
 581          */
 582         if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 583
 584         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 585         if (cipher != NULL)
 586                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 587                 BIO_printf(bio_err,"error setting cipher list\n");
 588                 ERR_print_errors(bio_err);
 589                 goto end;
 590         }
 591 #if 0
 592         else
 593                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 594 #endif
 595
 596         SSL_CTX_set_verify(ctx,verify,verify_callback);
 597         if (!set_cert_key_stuff(ctx,cert,key))
 598                 goto end;
 599
 600         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 601                 (!SSL_CTX_set_default_verify_paths(ctx)))
 602                 {
 603                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 604                 ERR_print_errors(bio_err);
 605                 /* goto end; */
 606                 }
 607
 608         store = SSL_CTX_get_cert_store(ctx);
 609         X509_STORE_set_flags(store, vflags);
 610
 611         con=SSL_new(ctx);
 612 #ifndef OPENSSL_NO_KRB5
 613         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 614                 {
 615                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 616                 }
 617 #endif  /* OPENSSL_NO_KRB5  */
 618 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 619
 620 re_start:
 621
 622         if (init_client(&s,host,port,sock_type) == 0)
 623                 {
 624                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 625                 SHUTDOWN(s);
 626                 goto end;
 627                 }
 628         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 629
 630 #ifdef FIONBIO
 631         if (c_nbio)
 632                 {
 633                 unsigned long l=1;
 634                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 635                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 636                         {
 637                         ERR_print_errors(bio_err);
 638                         goto end;
 639                         }
 640                 }
 641 #endif
 642         if (c_Pause & 0x01) con->debug=1;
 643
 644         if ( SSL_version(con) == DTLS1_VERSION)
 645                 {
 646                 struct timeval timeout;
 647
 648                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 649                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 650                         {
 651                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 652                                 get_last_socket_error());
 653                         SHUTDOWN(s);
 654                         goto end;
 655                         }
 656
 657                 BIO_ctrl_set_connected(sbio, 1, &peer);
 658
 659                 if ( enable_timeouts)
 660                         {
 661                         timeout.tv_sec = 0;
 662                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 663                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
 664
 665                         timeout.tv_sec = 0;
 666                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
 667                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
 668                         }
 669
 670                 if ( mtu > 0)
 671                         {
 672                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
 673                         SSL_set_mtu(con, mtu);
 674                         }
 675                 else
 676                         /* want to do MTU discovery */
 677                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
 678                 }
 679         else
 680                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
 681
 682
 683
 684         if (nbio_test)
 685                 {
 686                 BIO *test;
 687
 688                 test=BIO_new(BIO_f_nbio_test());
 689                 sbio=BIO_push(test,sbio);
 690                 }
 691
 692         if (c_debug)
 693                 {
 694                 con->debug=1;
 695                 BIO_set_callback(sbio,bio_dump_callback);
 696                 BIO_set_callback_arg(sbio,bio_c_out);
 697                 }
 698         if (c_msg)
 699                 {
 700                 SSL_set_msg_callback(con, msg_cb);
 701                 SSL_set_msg_callback_arg(con, bio_c_out);
 702                 }
 703
 704         SSL_set_bio(con,sbio,sbio);
 705         SSL_set_connect_state(con);
 706
 707         /* ok, lets connect */
 708         width=SSL_get_fd(con)+1;
 709
 710         read_tty=1;
 711         write_tty=0;
 712         tty_on=0;
 713         read_ssl=1;
 714         write_ssl=1;
 715
 716         cbuf_len=0;
 717         cbuf_off=0;
 718         sbuf_len=0;
 719         sbuf_off=0;
 720
 721         /* This is an ugly hack that does a lot of assumptions */
 722         if (starttls_proto == 1)
 723                 {
 724                 BIO_read(sbio,mbuf,BUFSIZZ);
 725                 BIO_printf(sbio,"STARTTLS\r\n");
 726                 BIO_read(sbio,sbuf,BUFSIZZ);
 727                 }
 728         if (starttls_proto == 2)
 729                 {
 730                 BIO_read(sbio,mbuf,BUFSIZZ);
 731                 BIO_printf(sbio,"STLS\r\n");
 732                 BIO_read(sbio,sbuf,BUFSIZZ);
 733                 }
 734
 735         for (;;)
 736                 {
 737                 FD_ZERO(&readfds);
 738                 FD_ZERO(&writefds);
 739
 740                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 741                         {
 742                         in_init=1;
 743                         tty_on=0;
 744                         }
 745                 else
 746                         {
 747                         tty_on=1;
 748                         if (in_init)
 749                                 {
 750                                 in_init=0;
 751                                 print_stuff(bio_c_out,con,full_log);
 752                                 if (full_log > 0) full_log--;
 753
 754                                 if (starttls_proto)
 755                                         {
 756                                         BIO_printf(bio_err,"%s",mbuf);
 757                                         /* We don't need to know any more */
 758                                         starttls_proto = 0;
 759                                         }
 760
 761                                 if (reconnect)
 762                                         {
 763                                         reconnect--;
 764                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 765                                         SSL_shutdown(con);
 766                                         SSL_set_connect_state(con);
 767                                         SHUTDOWN(SSL_get_fd(con));
 768                                         goto re_start;
 769                                         }
 770                                 }
 771                         }
 772
 773                 ssl_pending = read_ssl && SSL_pending(con);
 774
 775                 if (!ssl_pending)
 776                         {
 777 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
 778                         if (tty_on)
 779                                 {
 780                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
 781                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
 782                                 }
 783                         if (read_ssl)
 784                                 FD_SET(SSL_get_fd(con),&readfds);
 785                         if (write_ssl)
 786                                 FD_SET(SSL_get_fd(con),&writefds);
 787 #else
 788                         if(!tty_on || !write_tty) {
 789                                 if (read_ssl)
 790                                         FD_SET(SSL_get_fd(con),&readfds);
 791                                 if (write_ssl)
 792                                         FD_SET(SSL_get_fd(con),&writefds);
 793                         }
 794 #endif
 795 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
 796                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 797
 798                         /* Note: under VMS with SOCKETSHR the second parameter
 799                          * is currently of type (int *) whereas under other
 800                          * systems it is (void *) if you don't have a cast it
 801                          * will choke the compiler: if you do have a cast then
 802                          * you can either go for (int *) or (void *).
 803                          */
 804 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 805                         /* Under Windows/DOS we make the assumption that we can
 806                          * always write to the tty: therefore if we need to
 807                          * write to the tty we just fall through. Otherwise
 808                          * we timeout the select every second and see if there
 809                          * are any keypresses. Note: this is a hack, in a proper
 810                          * Windows application we wouldn't do this.
 811                          */
 812                         i=0;
 813                         if(!write_tty) {
 814                                 if(read_tty) {
 815                                         tv.tv_sec = 1;
 816                                         tv.tv_usec = 0;
 817                                         i=select(width,(void *)&readfds,(void *)&writefds,
 818                                                  NULL,&tv);
 819 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 820                                         if(!i && (!_kbhit() || !read_tty) ) continue;
 821 #else
 822                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
 823 #endif
 824                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 825                                          NULL,NULL);
 826                         }
 827 #elif defined(OPENSSL_SYS_NETWARE)
 828                         if(!write_tty) {
 829                                 if(read_tty) {
 830                                         tv.tv_sec = 1;
 831                                         tv.tv_usec = 0;
 832                                         i=select(width,(void *)&readfds,(void *)&writefds,
 833                                                 NULL,&tv);
 834                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 835                                         NULL,NULL);
 836                         }
 837 #else
 838                         i=select(width,(void *)&readfds,(void *)&writefds,
 839                                  NULL,NULL);
 840 #endif
 841                         if ( i < 0)
 842                                 {
 843                                 BIO_printf(bio_err,"bad select %d\n",
 844                                 get_last_socket_error());
 845                                 goto shut;
 846                                 /* goto end; */
 847                                 }
 848                         }
 849
 850                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 851                         {
 852                         k=SSL_write(con,&(cbuf[cbuf_off]),
 853                                 (unsigned int)cbuf_len);
 854                         switch (SSL_get_error(con,k))
 855                                 {
 856                         case SSL_ERROR_NONE:
 857                                 cbuf_off+=k;
 858                                 cbuf_len-=k;
 859                                 if (k <= 0) goto end;
 860                                 /* we have done a  write(con,NULL,0); */
 861                                 if (cbuf_len <= 0)
 862                                         {
 863                                         read_tty=1;
 864                                         write_ssl=0;
 865                                         }
 866                                 else /* if (cbuf_len > 0) */
 867                                         {
 868                                         read_tty=0;
 869                                         write_ssl=1;
 870                                         }
 871                                 break;
 872                         case SSL_ERROR_WANT_WRITE:
 873                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 874                                 write_ssl=1;
 875                                 read_tty=0;
 876                                 break;
 877                         case SSL_ERROR_WANT_READ:
 878                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 879                                 write_tty=0;
 880                                 read_ssl=1;
 881                                 write_ssl=0;
 882                                 break;
 883                         case SSL_ERROR_WANT_X509_LOOKUP:
 884                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 885                                 break;
 886                         case SSL_ERROR_ZERO_RETURN:
 887                                 if (cbuf_len != 0)
 888                                         {
 889                                         BIO_printf(bio_c_out,"shutdown\n");
 890                                         goto shut;
 891                                         }
 892                                 else
 893                                         {
 894                                         read_tty=1;
 895                                         write_ssl=0;
 896                                         break;
 897                                         }
 898
 899                         case SSL_ERROR_SYSCALL:
 900                                 if ((k != 0) || (cbuf_len != 0))
 901                                         {
 902                                         BIO_printf(bio_err,"write:errno=%d\n",
 903                                                 get_last_socket_error());
 904                                         goto shut;
 905                                         }
 906                                 else
 907                                         {
 908                                         read_tty=1;
 909                                         write_ssl=0;
 910                                         }
 911                                 break;
 912                         case SSL_ERROR_SSL:
 913                                 ERR_print_errors(bio_err);
 914                                 goto shut;
 915                                 }
 916                         }
 917 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 918                 /* Assume Windows/DOS can always write */
 919                 else if (!ssl_pending && write_tty)
 920 #else
 921                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
 922 #endif
 923                         {
 924 #ifdef CHARSET_EBCDIC
 925                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
 926 #endif
 927                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
 928
 929                         if (i <= 0)
 930                                 {
 931                                 BIO_printf(bio_c_out,"DONE\n");
 932                                 goto shut;
 933                                 /* goto end; */
 934                                 }
 935
 936                         sbuf_len-=i;;
 937                         sbuf_off+=i;
 938                         if (sbuf_len <= 0)
 939                                 {
 940                                 read_ssl=1;
 941                                 write_tty=0;
 942                                 }
 943                         }
 944                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 945                         {
 946 #ifdef RENEG
 947 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
 948 #endif
 949 #if 1
 950                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
 951 #else
 952 /* Demo for pending and peek :-) */
 953                         k=SSL_read(con,sbuf,16);
 954 { char zbuf[10240];
 955 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
 956 }
 957 #endif
 958
 959                         switch (SSL_get_error(con,k))
 960                                 {
 961                         case SSL_ERROR_NONE:
 962                                 if (k <= 0)
 963                                         goto end;
 964                                 sbuf_off=0;
 965                                 sbuf_len=k;
 966
 967                                 read_ssl=0;
 968                                 write_tty=1;
 969                                 break;
 970                         case SSL_ERROR_WANT_WRITE:
 971                                 BIO_printf(bio_c_out,"read W BLOCK\n");
 972                                 write_ssl=1;
 973                                 read_tty=0;
 974                                 break;
 975                         case SSL_ERROR_WANT_READ:
 976                                 BIO_printf(bio_c_out,"read R BLOCK\n");
 977                                 write_tty=0;
 978                                 read_ssl=1;
 979                                 if ((read_tty == 0) && (write_ssl == 0))
 980                                         write_ssl=1;
 981                                 break;
 982                         case SSL_ERROR_WANT_X509_LOOKUP:
 983                                 BIO_printf(bio_c_out,"read X BLOCK\n");
 984                                 break;
 985                         case SSL_ERROR_SYSCALL:
 986                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
 987                                 goto shut;
 988                         case SSL_ERROR_ZERO_RETURN:
 989                                 BIO_printf(bio_c_out,"closed\n");
 990                                 goto shut;
 991                         case SSL_ERROR_SSL:
 992                                 ERR_print_errors(bio_err);
 993                                 goto shut;
 994                                 /* break; */
 995                                 }
 996                         }
 997
 998 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 999 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1000                 else if (_kbhit())
1001 #else
1002                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1003 #endif
1004 #elif defined (OPENSSL_SYS_NETWARE)
1005         else if (_kbhit())
1006 #else
1007                 else if (FD_ISSET(fileno(stdin),&readfds))
1008 #endif
1009                         {
1010                         if (crlf)
1011                                 {
1012                                 int j, lf_num;
1013
1014                                 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1015                                 lf_num = 0;
1016                                 /* both loops are skipped when i <= 0 */
1017                                 for (j = 0; j < i; j++)
1018                                         if (cbuf[j] == '\n')
1019                                                 lf_num++;
1020                                 for (j = i-1; j >= 0; j--)
1021                                         {
1022                                         cbuf[j+lf_num] = cbuf[j];
1023                                         if (cbuf[j] == '\n')
1024                                                 {
1025                                                 lf_num--;
1026                                                 i++;
1027                                                 cbuf[j+lf_num] = '\r';
1028                                                 }
1029                                         }
1030                                 assert(lf_num == 0);
1031                                 }
1032                         else
1033                                 i=read(fileno(stdin),cbuf,BUFSIZZ);
1034
1035                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1036                                 {
1037                                 BIO_printf(bio_err,"DONE\n");
1038                                 goto shut;
1039                                 }
1040
1041                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1042                                 {
1043                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1044                                 SSL_renegotiate(con);
1045                                 cbuf_len=0;
1046                                 }
1047                         else
1048                                 {
1049                                 cbuf_len=i;
1050                                 cbuf_off=0;
1051 #ifdef CHARSET_EBCDIC
1052                                 ebcdic2ascii(cbuf, cbuf, i);
1053 #endif
1054                                 }
1055
1056                         write_ssl=1;
1057                         read_tty=0;
1058                         }
1059                 }
1060 shut:
1061         SSL_shutdown(con);
1062         SHUTDOWN(SSL_get_fd(con));
1063         ret=0;
1064 end:
1065         if(prexit) print_stuff(bio_c_out,con,1);
1066         if (con != NULL) SSL_free(con);
1067         if (con2 != NULL) SSL_free(con2);
1068         if (ctx != NULL) SSL_CTX_free(ctx);
1069         if (cert)
1070                 X509_free(cert);
1071         if (key)
1072                 EVP_PKEY_free(key);
1073         if (pass)
1074                 OPENSSL_free(pass);
1075         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1076         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1077         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1078         if (bio_c_out != NULL)
1079                 {
1080                 BIO_free(bio_c_out);
1081                 bio_c_out=NULL;
1082                 }
1083         apps_shutdown();
1084         OPENSSL_EXIT(ret);
1085         }
1086
1087
1088 static void print_stuff(BIO *bio, SSL *s, int full)
1089         {
1090         X509 *peer=NULL;
1091         char *p;
1092         static const char *space="                ";
1093         char buf[BUFSIZ];
1094         STACK_OF(X509) *sk;
1095         STACK_OF(X509_NAME) *sk2;
1096         SSL_CIPHER *c;
1097         X509_NAME *xn;
1098         int j,i;
1099 #ifndef OPENSSL_NO_COMP
1100         const COMP_METHOD *comp, *expansion;
1101 #endif
1102
1103         if (full)
1104                 {
1105                 int got_a_chain = 0;
1106
1107                 sk=SSL_get_peer_cert_chain(s);
1108                 if (sk != NULL)
1109                         {
1110                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1111
1112                         BIO_printf(bio,"---\nCertificate chain\n");
1113                         for (i=0; i<sk_X509_num(sk); i++)
1114                                 {
1115                                 X509_NAME_oneline(X509_get_subject_name(
1116                                         sk_X509_value(sk,i)),buf,sizeof buf);
1117                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1118                                 X509_NAME_oneline(X509_get_issuer_name(
1119                                         sk_X509_value(sk,i)),buf,sizeof buf);
1120                                 BIO_printf(bio,"   i:%s\n",buf);
1121                                 if (c_showcerts)
1122                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1123                                 }
1124                         }
1125
1126                 BIO_printf(bio,"---\n");
1127                 peer=SSL_get_peer_certificate(s);
1128                 if (peer != NULL)
1129                         {
1130                         BIO_printf(bio,"Server certificate\n");
1131                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1132                                 PEM_write_bio_X509(bio,peer);
1133                         X509_NAME_oneline(X509_get_subject_name(peer),
1134                                 buf,sizeof buf);
1135                         BIO_printf(bio,"subject=%s\n",buf);
1136                         X509_NAME_oneline(X509_get_issuer_name(peer),
1137                                 buf,sizeof buf);
1138                         BIO_printf(bio,"issuer=%s\n",buf);
1139                         }
1140                 else
1141                         BIO_printf(bio,"no peer certificate available\n");
1142
1143                 sk2=SSL_get_client_CA_list(s);
1144                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1145                         {
1146                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1147                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1148                                 {
1149                                 xn=sk_X509_NAME_value(sk2,i);
1150                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1151                                 BIO_write(bio,buf,strlen(buf));
1152                                 BIO_write(bio,"\n",1);
1153                                 }
1154                         }
1155                 else
1156                         {
1157                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1158                         }
1159                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1160                 if (p != NULL)
1161                         {
1162                         /* This works only for SSL 2.  In later protocol
1163                          * versions, the client does not know what other
1164                          * ciphers (in addition to the one to be used
1165                          * in the current connection) the server supports. */
1166
1167                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1168                         j=i=0;
1169                         while (*p)
1170                                 {
1171                                 if (*p == ':')
1172                                         {
1173                                         BIO_write(bio,space,15-j%25);
1174                                         i++;
1175                                         j=0;
1176                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1177                                         }
1178                                 else
1179                                         {
1180                                         BIO_write(bio,p,1);
1181                                         j++;
1182                                         }
1183                                 p++;
1184                                 }
1185                         BIO_write(bio,"\n",1);
1186                         }
1187
1188                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1189                         BIO_number_read(SSL_get_rbio(s)),
1190                         BIO_number_written(SSL_get_wbio(s)));
1191                 }
1192         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1193         c=SSL_get_current_cipher(s);
1194         BIO_printf(bio,"%s, Cipher is %s\n",
1195                 SSL_CIPHER_get_version(c),
1196                 SSL_CIPHER_get_name(c));
1197         if (peer != NULL) {
1198                 EVP_PKEY *pktmp;
1199                 pktmp = X509_get_pubkey(peer);
1200                 BIO_printf(bio,"Server public key is %d bit\n",
1201                                                          EVP_PKEY_bits(pktmp));
1202                 EVP_PKEY_free(pktmp);
1203         }
1204 #ifndef OPENSSL_NO_COMP
1205         comp=SSL_get_current_compression(s);
1206         expansion=SSL_get_current_expansion(s);
1207         BIO_printf(bio,"Compression: %s\n",
1208                 comp ? SSL_COMP_get_name(comp) : "NONE");
1209         BIO_printf(bio,"Expansion: %s\n",
1210                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1211 #endif
1212         SSL_SESSION_print(bio,SSL_get_session(s));
1213         BIO_printf(bio,"---\n");
1214         if (peer != NULL)
1215                 X509_free(peer);
1216         /* flush, or debugging output gets mixed with http response */
1217         BIO_flush(bio);
1218         }
1219