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