crypto/openssl-0.9/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 depth - 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\", \"pop3\", \"imap\", and \"ftp\" 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 enum
 238 {
 239         PROTO_OFF       = 0,
 240         PROTO_SMTP,
 241         PROTO_POP3,
 242         PROTO_IMAP,
 243         PROTO_FTP
 244 };
 245
 246 int MAIN(int, char **);
 247
 248 int MAIN(int argc, char **argv)
 249         {
 250         int off=0;
 251         SSL *con=NULL,*con2=NULL;
 252         X509_STORE *store = NULL;
 253         int s,k,width,state=0;
 254         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 255         int cbuf_len,cbuf_off;
 256         int sbuf_len,sbuf_off;
 257         fd_set readfds,writefds;
 258         short port=PORT;
 259         int full_log=1;
 260         char *host=SSL_HOST_NAME;
 261         char *cert_file=NULL,*key_file=NULL;
 262         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 263         char *passarg = NULL, *pass = NULL;
 264         X509 *cert = NULL;
 265         EVP_PKEY *key = NULL;
 266         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 267         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 268         int crlf=0;
 269         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 270         SSL_CTX *ctx=NULL;
 271         int ret=1,in_init=1,i,nbio_test=0;
 272         int starttls_proto = PROTO_OFF;
 273         int prexit = 0, vflags = 0;
 274         SSL_METHOD *meth=NULL;
 275 #ifdef sock_type
 276 #undef sock_type
 277 #endif
 278         int sock_type=SOCK_STREAM;
 279         BIO *sbio;
 280         char *inrand=NULL;
 281         int mbuf_len=0;
 282 #ifndef OPENSSL_NO_ENGINE
 283         char *engine_id=NULL;
 284         ENGINE *e=NULL;
 285 #endif
 286 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 287         struct timeval tv;
 288 #endif
 289
 290         struct sockaddr peer;
 291         int peerlen = sizeof(peer);
 292         int enable_timeouts = 0 ;
 293         long mtu = 0;
 294
 295 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 296         meth=SSLv23_client_method();
 297 #elif !defined(OPENSSL_NO_SSL3)
 298         meth=SSLv3_client_method();
 299 #elif !defined(OPENSSL_NO_SSL2)
 300         meth=SSLv2_client_method();
 301 #endif
 302
 303         apps_startup();
 304         c_Pause=0;
 305         c_quiet=0;
 306         c_ign_eof=0;
 307         c_debug=0;
 308         c_msg=0;
 309         c_showcerts=0;
 310
 311         if (bio_err == NULL)
 312                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 313
 314         if (!load_config(bio_err, NULL))
 315                 goto end;
 316
 317         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 318                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 319                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 320                 {
 321                 BIO_printf(bio_err,"out of memory\n");
 322                 goto end;
 323                 }
 324
 325         verify_depth=0;
 326         verify_error=X509_V_OK;
 327 #ifdef FIONBIO
 328         c_nbio=0;
 329 #endif
 330
 331         argc--;
 332         argv++;
 333         while (argc >= 1)
 334                 {
 335                 if      (strcmp(*argv,"-host") == 0)
 336                         {
 337                         if (--argc < 1) goto bad;
 338                         host= *(++argv);
 339                         }
 340                 else if (strcmp(*argv,"-port") == 0)
 341                         {
 342                         if (--argc < 1) goto bad;
 343                         port=atoi(*(++argv));
 344                         if (port == 0) goto bad;
 345                         }
 346                 else if (strcmp(*argv,"-connect") == 0)
 347                         {
 348                         if (--argc < 1) goto bad;
 349                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 350                                 goto bad;
 351                         }
 352                 else if (strcmp(*argv,"-verify") == 0)
 353                         {
 354                         verify=SSL_VERIFY_PEER;
 355                         if (--argc < 1) goto bad;
 356                         verify_depth=atoi(*(++argv));
 357                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 358                         }
 359                 else if (strcmp(*argv,"-cert") == 0)
 360                         {
 361                         if (--argc < 1) goto bad;
 362                         cert_file= *(++argv);
 363                         }
 364                 else if (strcmp(*argv,"-certform") == 0)
 365                         {
 366                         if (--argc < 1) goto bad;
 367                         cert_format = str2fmt(*(++argv));
 368                         }
 369                 else if (strcmp(*argv,"-crl_check") == 0)
 370                         vflags |= X509_V_FLAG_CRL_CHECK;
 371                 else if (strcmp(*argv,"-crl_check_all") == 0)
 372                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 373                 else if (strcmp(*argv,"-prexit") == 0)
 374                         prexit=1;
 375                 else if (strcmp(*argv,"-crlf") == 0)
 376                         crlf=1;
 377                 else if (strcmp(*argv,"-quiet") == 0)
 378                         {
 379                         c_quiet=1;
 380                         c_ign_eof=1;
 381                         }
 382                 else if (strcmp(*argv,"-ign_eof") == 0)
 383                         c_ign_eof=1;
 384                 else if (strcmp(*argv,"-pause") == 0)
 385                         c_Pause=1;
 386                 else if (strcmp(*argv,"-debug") == 0)
 387                         c_debug=1;
 388 #ifdef WATT32
 389                 else if (strcmp(*argv,"-wdebug") == 0)
 390                         dbug_init();
 391 #endif
 392                 else if (strcmp(*argv,"-msg") == 0)
 393                         c_msg=1;
 394                 else if (strcmp(*argv,"-showcerts") == 0)
 395                         c_showcerts=1;
 396                 else if (strcmp(*argv,"-nbio_test") == 0)
 397                         nbio_test=1;
 398                 else if (strcmp(*argv,"-state") == 0)
 399                         state=1;
 400 #ifndef OPENSSL_NO_SSL2
 401                 else if (strcmp(*argv,"-ssl2") == 0)
 402                         meth=SSLv2_client_method();
 403 #endif
 404 #ifndef OPENSSL_NO_SSL3
 405                 else if (strcmp(*argv,"-ssl3") == 0)
 406                         meth=SSLv3_client_method();
 407 #endif
 408 #ifndef OPENSSL_NO_TLS1
 409                 else if (strcmp(*argv,"-tls1") == 0)
 410                         meth=TLSv1_client_method();
 411 #endif
 412 #ifndef OPENSSL_NO_DTLS1
 413                 else if (strcmp(*argv,"-dtls1") == 0)
 414                         {
 415                         meth=DTLSv1_client_method();
 416                         sock_type=SOCK_DGRAM;
 417                         }
 418                 else if (strcmp(*argv,"-timeout") == 0)
 419                         enable_timeouts=1;
 420                 else if (strcmp(*argv,"-mtu") == 0)
 421                         {
 422                         if (--argc < 1) goto bad;
 423                         mtu = atol(*(++argv));
 424                         }
 425 #endif
 426                 else if (strcmp(*argv,"-bugs") == 0)
 427                         bugs=1;
 428                 else if (strcmp(*argv,"-keyform") == 0)
 429                         {
 430                         if (--argc < 1) goto bad;
 431                         key_format = str2fmt(*(++argv));
 432                         }
 433                 else if (strcmp(*argv,"-pass") == 0)
 434                         {
 435                         if (--argc < 1) goto bad;
 436                         passarg = *(++argv);
 437                         }
 438                 else if (strcmp(*argv,"-key") == 0)
 439                         {
 440                         if (--argc < 1) goto bad;
 441                         key_file= *(++argv);
 442                         }
 443                 else if (strcmp(*argv,"-reconnect") == 0)
 444                         {
 445                         reconnect=5;
 446                         }
 447                 else if (strcmp(*argv,"-CApath") == 0)
 448                         {
 449                         if (--argc < 1) goto bad;
 450                         CApath= *(++argv);
 451                         }
 452                 else if (strcmp(*argv,"-CAfile") == 0)
 453                         {
 454                         if (--argc < 1) goto bad;
 455                         CAfile= *(++argv);
 456                         }
 457                 else if (strcmp(*argv,"-no_tls1") == 0)
 458                         off|=SSL_OP_NO_TLSv1;
 459                 else if (strcmp(*argv,"-no_ssl3") == 0)
 460                         off|=SSL_OP_NO_SSLv3;
 461                 else if (strcmp(*argv,"-no_ssl2") == 0)
 462                         off|=SSL_OP_NO_SSLv2;
 463                 else if (strcmp(*argv,"-serverpref") == 0)
 464                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 465                 else if (strcmp(*argv,"-cipher") == 0)
 466                         {
 467                         if (--argc < 1) goto bad;
 468                         cipher= *(++argv);
 469                         }
 470 #ifdef FIONBIO
 471                 else if (strcmp(*argv,"-nbio") == 0)
 472                         { c_nbio=1; }
 473 #endif
 474                 else if (strcmp(*argv,"-starttls") == 0)
 475                         {
 476                         if (--argc < 1) goto bad;
 477                         ++argv;
 478                         if (strcmp(*argv,"smtp") == 0)
 479                                 starttls_proto = PROTO_SMTP;
 480                         else if (strcmp(*argv,"pop3") == 0)
 481                                 starttls_proto = PROTO_POP3;
 482                         else if (strcmp(*argv,"imap") == 0)
 483                                 starttls_proto = PROTO_IMAP;
 484                         else if (strcmp(*argv,"ftp") == 0)
 485                                 starttls_proto = PROTO_FTP;
 486                         else
 487                                 goto bad;
 488                         }
 489 #ifndef OPENSSL_NO_ENGINE
 490                 else if (strcmp(*argv,"-engine") == 0)
 491                         {
 492                         if (--argc < 1) goto bad;
 493                         engine_id = *(++argv);
 494                         }
 495 #endif
 496                 else if (strcmp(*argv,"-rand") == 0)
 497                         {
 498                         if (--argc < 1) goto bad;
 499                         inrand= *(++argv);
 500                         }
 501                 else
 502                         {
 503                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 504                         badop=1;
 505                         break;
 506                         }
 507                 argc--;
 508                 argv++;
 509                 }
 510         if (badop)
 511                 {
 512 bad:
 513                 sc_usage();
 514                 goto end;
 515                 }
 516
 517         OpenSSL_add_ssl_algorithms();
 518         SSL_load_error_strings();
 519
 520 #ifndef OPENSSL_NO_ENGINE
 521         e = setup_engine(bio_err, engine_id, 1);
 522 #endif
 523         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 524                 {
 525                 BIO_printf(bio_err, "Error getting password\n");
 526                 goto end;
 527                 }
 528
 529         if (key_file == NULL)
 530                 key_file = cert_file;
 531
 532
 533         if (key_file)
 534
 535                 {
 536
 537                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 538                                "client certificate private key file");
 539                 if (!key)
 540                         {
 541                         ERR_print_errors(bio_err);
 542                         goto end;
 543                         }
 544
 545                 }
 546
 547         if (cert_file)
 548
 549                 {
 550                 cert = load_cert(bio_err,cert_file,cert_format,
 551                                 NULL, e, "client certificate file");
 552
 553                 if (!cert)
 554                         {
 555                         ERR_print_errors(bio_err);
 556                         goto end;
 557                         }
 558                 }
 559
 560         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 561                 && !RAND_status())
 562                 {
 563                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 564                 }
 565         if (inrand != NULL)
 566                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 567                         app_RAND_load_files(inrand));
 568
 569         if (bio_c_out == NULL)
 570                 {
 571                 if (c_quiet && !c_debug && !c_msg)
 572                         {
 573                         bio_c_out=BIO_new(BIO_s_null());
 574                         }
 575                 else
 576                         {
 577                         if (bio_c_out == NULL)
 578                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 579                         }
 580                 }
 581
 582         ctx=SSL_CTX_new(meth);
 583         if (ctx == NULL)
 584                 {
 585                 ERR_print_errors(bio_err);
 586                 goto end;
 587                 }
 588
 589         if (bugs)
 590                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 591         else
 592                 SSL_CTX_set_options(ctx,off);
 593         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 594          * Setting read ahead solves this problem.
 595          */
 596         if (sock_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 597
 598         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 599         if (cipher != NULL)
 600                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 601                 BIO_printf(bio_err,"error setting cipher list\n");
 602                 ERR_print_errors(bio_err);
 603                 goto end;
 604         }
 605 #if 0
 606         else
 607                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 608 #endif
 609
 610         SSL_CTX_set_verify(ctx,verify,verify_callback);
 611         if (!set_cert_key_stuff(ctx,cert,key))
 612                 goto end;
 613
 614         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 615                 (!SSL_CTX_set_default_verify_paths(ctx)))
 616                 {
 617                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 618                 ERR_print_errors(bio_err);
 619                 /* goto end; */
 620                 }
 621
 622         store = SSL_CTX_get_cert_store(ctx);
 623         X509_STORE_set_flags(store, vflags);
 624
 625         con=SSL_new(ctx);
 626 #ifndef OPENSSL_NO_KRB5
 627         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 628                 {
 629                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 630                 }
 631 #endif  /* OPENSSL_NO_KRB5  */
 632 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 633
 634 re_start:
 635
 636         if (init_client(&s,host,port,sock_type) == 0)
 637                 {
 638                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 639                 SHUTDOWN(s);
 640                 goto end;
 641                 }
 642         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 643
 644 #ifdef FIONBIO
 645         if (c_nbio)
 646                 {
 647                 unsigned long l=1;
 648                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 649                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 650                         {
 651                         ERR_print_errors(bio_err);
 652                         goto end;
 653                         }
 654                 }
 655 #endif
 656         if (c_Pause & 0x01) con->debug=1;
 657
 658         if ( SSL_version(con) == DTLS1_VERSION)
 659                 {
 660                 struct timeval timeout;
 661
 662                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 663                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 664                         {
 665                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 666                                 get_last_socket_error());
 667                         SHUTDOWN(s);
 668                         goto end;
 669                         }
 670
 671                 BIO_ctrl_set_connected(sbio, 1, &peer);
 672
 673                 if ( enable_timeouts)
 674                         {
 675                         timeout.tv_sec = 0;
 676                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 677                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
 678
 679                         timeout.tv_sec = 0;
 680                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
 681                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
 682                         }
 683
 684                 if ( mtu > 0)
 685                         {
 686                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
 687                         SSL_set_mtu(con, mtu);
 688                         }
 689                 else
 690                         /* want to do MTU discovery */
 691                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
 692                 }
 693         else
 694                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
 695
 696
 697
 698         if (nbio_test)
 699                 {
 700                 BIO *test;
 701
 702                 test=BIO_new(BIO_f_nbio_test());
 703                 sbio=BIO_push(test,sbio);
 704                 }
 705
 706         if (c_debug)
 707                 {
 708                 con->debug=1;
 709                 BIO_set_callback(sbio,bio_dump_callback);
 710                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
 711                 }
 712         if (c_msg)
 713                 {
 714                 SSL_set_msg_callback(con, msg_cb);
 715                 SSL_set_msg_callback_arg(con, bio_c_out);
 716                 }
 717
 718         SSL_set_bio(con,sbio,sbio);
 719         SSL_set_connect_state(con);
 720
 721         /* ok, lets connect */
 722         width=SSL_get_fd(con)+1;
 723
 724         read_tty=1;
 725         write_tty=0;
 726         tty_on=0;
 727         read_ssl=1;
 728         write_ssl=1;
 729
 730         cbuf_len=0;
 731         cbuf_off=0;
 732         sbuf_len=0;
 733         sbuf_off=0;
 734
 735         /* This is an ugly hack that does a lot of assumptions */
 736         /* We do have to handle multi-line responses which may come
 737            in a single packet or not. We therefore have to use
 738            BIO_gets() which does need a buffering BIO. So during
 739            the initial chitchat we do push a buffering BIO into the
 740            chain that is removed again later on to not disturb the
 741            rest of the s_client operation. */
 742         if (starttls_proto == PROTO_SMTP)
 743                 {
 744                 int foundit=0;
 745                 BIO *fbio = BIO_new(BIO_f_buffer());
 746                 BIO_push(fbio, sbio);
 747                 /* wait for multi-line response to end from SMTP */
 748                 do
 749                         {
 750                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
 751                         }
 752                 while (mbuf_len>3 && mbuf[3]=='-');
 753                 /* STARTTLS command requires EHLO... */
 754                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
 755                 BIO_flush(fbio);
 756                 /* wait for multi-line response to end EHLO SMTP response */
 757                 do
 758                         {
 759                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
 760                         if (strstr(mbuf,"STARTTLS"))
 761                                 foundit=1;
 762                         }
 763                 while (mbuf_len>3 && mbuf[3]=='-');
 764                 BIO_flush(fbio);
 765                 BIO_pop(fbio);
 766                 BIO_free(fbio);
 767                 if (!foundit)
 768                         BIO_printf(bio_err,
 769                                    "didn't found starttls in server response,"
 770                                    " try anyway...\n");
 771                 BIO_printf(sbio,"STARTTLS\r\n");
 772                 BIO_read(sbio,sbuf,BUFSIZZ);
 773                 }
 774         else if (starttls_proto == PROTO_POP3)
 775                 {
 776                 BIO_read(sbio,mbuf,BUFSIZZ);
 777                 BIO_printf(sbio,"STLS\r\n");
 778                 BIO_read(sbio,sbuf,BUFSIZZ);
 779                 }
 780         else if (starttls_proto == PROTO_IMAP)
 781                 {
 782                 int foundit=0;
 783                 BIO *fbio = BIO_new(BIO_f_buffer());
 784                 BIO_push(fbio, sbio);
 785                 BIO_gets(fbio,mbuf,BUFSIZZ);
 786                 /* STARTTLS command requires CAPABILITY... */
 787                 BIO_printf(fbio,". CAPABILITY\r\n");
 788                 BIO_flush(fbio);
 789                 /* wait for multi-line CAPABILITY response */
 790                 do
 791                         {
 792                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
 793                         if (strstr(mbuf,"STARTTLS"))
 794                                 foundit=1;
 795                         }
 796                 while (mbuf_len>3 && mbuf[0]!='.');
 797                 BIO_flush(fbio);
 798                 BIO_pop(fbio);
 799                 BIO_free(fbio);
 800                 if (!foundit)
 801                         BIO_printf(bio_err,
 802                                    "didn't found STARTTLS in server response,"
 803                                    " try anyway...\n");
 804                 BIO_printf(sbio,". STARTTLS\r\n");
 805                 BIO_read(sbio,sbuf,BUFSIZZ);
 806                 }
 807         else if (starttls_proto == PROTO_FTP)
 808                 {
 809                 BIO *fbio = BIO_new(BIO_f_buffer());
 810                 BIO_push(fbio, sbio);
 811                 /* wait for multi-line response to end from FTP */
 812                 do
 813                         {
 814                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
 815                         }
 816                 while (mbuf_len>3 && mbuf[3]=='-');
 817                 BIO_flush(fbio);
 818                 BIO_pop(fbio);
 819                 BIO_free(fbio);
 820                 BIO_printf(sbio,"AUTH TLS\r\n");
 821                 BIO_read(sbio,sbuf,BUFSIZZ);
 822                 }
 823
 824         for (;;)
 825                 {
 826                 FD_ZERO(&readfds);
 827                 FD_ZERO(&writefds);
 828
 829                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 830                         {
 831                         in_init=1;
 832                         tty_on=0;
 833                         }
 834                 else
 835                         {
 836                         tty_on=1;
 837                         if (in_init)
 838                                 {
 839                                 in_init=0;
 840                                 print_stuff(bio_c_out,con,full_log);
 841                                 if (full_log > 0) full_log--;
 842
 843                                 if (starttls_proto)
 844                                         {
 845                                         BIO_printf(bio_err,"%s",mbuf);
 846                                         /* We don't need to know any more */
 847                                         starttls_proto = PROTO_OFF;
 848                                         }
 849
 850                                 if (reconnect)
 851                                         {
 852                                         reconnect--;
 853                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 854                                         SSL_shutdown(con);
 855                                         SSL_set_connect_state(con);
 856                                         SHUTDOWN(SSL_get_fd(con));
 857                                         goto re_start;
 858                                         }
 859                                 }
 860                         }
 861
 862                 ssl_pending = read_ssl && SSL_pending(con);
 863
 864                 if (!ssl_pending)
 865                         {
 866 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
 867                         if (tty_on)
 868                                 {
 869                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
 870                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
 871                                 }
 872                         if (read_ssl)
 873                                 FD_SET(SSL_get_fd(con),&readfds);
 874                         if (write_ssl)
 875                                 FD_SET(SSL_get_fd(con),&writefds);
 876 #else
 877                         if(!tty_on || !write_tty) {
 878                                 if (read_ssl)
 879                                         FD_SET(SSL_get_fd(con),&readfds);
 880                                 if (write_ssl)
 881                                         FD_SET(SSL_get_fd(con),&writefds);
 882                         }
 883 #endif
 884 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
 885                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 886
 887                         /* Note: under VMS with SOCKETSHR the second parameter
 888                          * is currently of type (int *) whereas under other
 889                          * systems it is (void *) if you don't have a cast it
 890                          * will choke the compiler: if you do have a cast then
 891                          * you can either go for (int *) or (void *).
 892                          */
 893 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 894                         /* Under Windows/DOS we make the assumption that we can
 895                          * always write to the tty: therefore if we need to
 896                          * write to the tty we just fall through. Otherwise
 897                          * we timeout the select every second and see if there
 898                          * are any keypresses. Note: this is a hack, in a proper
 899                          * Windows application we wouldn't do this.
 900                          */
 901                         i=0;
 902                         if(!write_tty) {
 903                                 if(read_tty) {
 904                                         tv.tv_sec = 1;
 905                                         tv.tv_usec = 0;
 906                                         i=select(width,(void *)&readfds,(void *)&writefds,
 907                                                  NULL,&tv);
 908 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 909                                         if(!i && (!_kbhit() || !read_tty) ) continue;
 910 #else
 911                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
 912 #endif
 913                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 914                                          NULL,NULL);
 915                         }
 916 #elif defined(OPENSSL_SYS_NETWARE)
 917                         if(!write_tty) {
 918                                 if(read_tty) {
 919                                         tv.tv_sec = 1;
 920                                         tv.tv_usec = 0;
 921                                         i=select(width,(void *)&readfds,(void *)&writefds,
 922                                                 NULL,&tv);
 923                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 924                                         NULL,NULL);
 925                         }
 926 #else
 927                         i=select(width,(void *)&readfds,(void *)&writefds,
 928                                  NULL,NULL);
 929 #endif
 930                         if ( i < 0)
 931                                 {
 932                                 BIO_printf(bio_err,"bad select %d\n",
 933                                 get_last_socket_error());
 934                                 goto shut;
 935                                 /* goto end; */
 936                                 }
 937                         }
 938
 939                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 940                         {
 941                         k=SSL_write(con,&(cbuf[cbuf_off]),
 942                                 (unsigned int)cbuf_len);
 943                         switch (SSL_get_error(con,k))
 944                                 {
 945                         case SSL_ERROR_NONE:
 946                                 cbuf_off+=k;
 947                                 cbuf_len-=k;
 948                                 if (k <= 0) goto end;
 949                                 /* we have done a  write(con,NULL,0); */
 950                                 if (cbuf_len <= 0)
 951                                         {
 952                                         read_tty=1;
 953                                         write_ssl=0;
 954                                         }
 955                                 else /* if (cbuf_len > 0) */
 956                                         {
 957                                         read_tty=0;
 958                                         write_ssl=1;
 959                                         }
 960                                 break;
 961                         case SSL_ERROR_WANT_WRITE:
 962                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 963                                 write_ssl=1;
 964                                 read_tty=0;
 965                                 break;
 966                         case SSL_ERROR_WANT_READ:
 967                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 968                                 write_tty=0;
 969                                 read_ssl=1;
 970                                 write_ssl=0;
 971                                 break;
 972                         case SSL_ERROR_WANT_X509_LOOKUP:
 973                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 974                                 break;
 975                         case SSL_ERROR_ZERO_RETURN:
 976                                 if (cbuf_len != 0)
 977                                         {
 978                                         BIO_printf(bio_c_out,"shutdown\n");
 979                                         goto shut;
 980                                         }
 981                                 else
 982                                         {
 983                                         read_tty=1;
 984                                         write_ssl=0;
 985                                         break;
 986                                         }
 987
 988                         case SSL_ERROR_SYSCALL:
 989                                 if ((k != 0) || (cbuf_len != 0))
 990                                         {
 991                                         BIO_printf(bio_err,"write:errno=%d\n",
 992                                                 get_last_socket_error());
 993                                         goto shut;
 994                                         }
 995                                 else
 996                                         {
 997                                         read_tty=1;
 998                                         write_ssl=0;
 999                                         }
1000                                 break;
1001                         case SSL_ERROR_SSL:
1002                                 ERR_print_errors(bio_err);
1003                                 goto shut;
1004                                 }
1005                         }
1006 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1007                 /* Assume Windows/DOS can always write */
1008                 else if (!ssl_pending && write_tty)
1009 #else
1010                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1011 #endif
1012                         {
1013 #ifdef CHARSET_EBCDIC
1014                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1015 #endif
1016                         i=write(fileno(stdout),&(sbuf[sbuf_off]),sbuf_len);
1017
1018                         if (i <= 0)
1019                                 {
1020                                 BIO_printf(bio_c_out,"DONE\n");
1021                                 goto shut;
1022                                 /* goto end; */
1023                                 }
1024
1025                         sbuf_len-=i;;
1026                         sbuf_off+=i;
1027                         if (sbuf_len <= 0)
1028                                 {
1029                                 read_ssl=1;
1030                                 write_tty=0;
1031                                 }
1032                         }
1033                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1034                         {
1035 #ifdef RENEG
1036 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1037 #endif
1038 #if 1
1039                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1040 #else
1041 /* Demo for pending and peek :-) */
1042                         k=SSL_read(con,sbuf,16);
1043 { char zbuf[10240];
1044 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1045 }
1046 #endif
1047
1048                         switch (SSL_get_error(con,k))
1049                                 {
1050                         case SSL_ERROR_NONE:
1051                                 if (k <= 0)
1052                                         goto end;
1053                                 sbuf_off=0;
1054                                 sbuf_len=k;
1055
1056                                 read_ssl=0;
1057                                 write_tty=1;
1058                                 break;
1059                         case SSL_ERROR_WANT_WRITE:
1060                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1061                                 write_ssl=1;
1062                                 read_tty=0;
1063                                 break;
1064                         case SSL_ERROR_WANT_READ:
1065                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1066                                 write_tty=0;
1067                                 read_ssl=1;
1068                                 if ((read_tty == 0) && (write_ssl == 0))
1069                                         write_ssl=1;
1070                                 break;
1071                         case SSL_ERROR_WANT_X509_LOOKUP:
1072                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1073                                 break;
1074                         case SSL_ERROR_SYSCALL:
1075                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1076                                 goto shut;
1077                         case SSL_ERROR_ZERO_RETURN:
1078                                 BIO_printf(bio_c_out,"closed\n");
1079                                 goto shut;
1080                         case SSL_ERROR_SSL:
1081                                 ERR_print_errors(bio_err);
1082                                 goto shut;
1083                                 /* break; */
1084                                 }
1085                         }
1086
1087 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1088 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1089                 else if (_kbhit())
1090 #else
1091                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1092 #endif
1093 #elif defined (OPENSSL_SYS_NETWARE)
1094         else if (_kbhit())
1095 #else
1096                 else if (FD_ISSET(fileno(stdin),&readfds))
1097 #endif
1098                         {
1099                         if (crlf)
1100                                 {
1101                                 int j, lf_num;
1102
1103                                 i=read(fileno(stdin),cbuf,BUFSIZZ/2);
1104                                 lf_num = 0;
1105                                 /* both loops are skipped when i <= 0 */
1106                                 for (j = 0; j < i; j++)
1107                                         if (cbuf[j] == '\n')
1108                                                 lf_num++;
1109                                 for (j = i-1; j >= 0; j--)
1110                                         {
1111                                         cbuf[j+lf_num] = cbuf[j];
1112                                         if (cbuf[j] == '\n')
1113                                                 {
1114                                                 lf_num--;
1115                                                 i++;
1116                                                 cbuf[j+lf_num] = '\r';
1117                                                 }
1118                                         }
1119                                 assert(lf_num == 0);
1120                                 }
1121                         else
1122                                 i=read(fileno(stdin),cbuf,BUFSIZZ);
1123
1124                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1125                                 {
1126                                 BIO_printf(bio_err,"DONE\n");
1127                                 goto shut;
1128                                 }
1129
1130                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1131                                 {
1132                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1133                                 SSL_renegotiate(con);
1134                                 cbuf_len=0;
1135                                 }
1136                         else
1137                                 {
1138                                 cbuf_len=i;
1139                                 cbuf_off=0;
1140 #ifdef CHARSET_EBCDIC
1141                                 ebcdic2ascii(cbuf, cbuf, i);
1142 #endif
1143                                 }
1144
1145                         write_ssl=1;
1146                         read_tty=0;
1147                         }
1148                 }
1149 shut:
1150         SSL_shutdown(con);
1151         SHUTDOWN(SSL_get_fd(con));
1152         ret=0;
1153 end:
1154         if(prexit) print_stuff(bio_c_out,con,1);
1155         if (con != NULL) SSL_free(con);
1156         if (con2 != NULL) SSL_free(con2);
1157         if (ctx != NULL) SSL_CTX_free(ctx);
1158         if (cert)
1159                 X509_free(cert);
1160         if (key)
1161                 EVP_PKEY_free(key);
1162         if (pass)
1163                 OPENSSL_free(pass);
1164         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1165         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1166         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1167         if (bio_c_out != NULL)
1168                 {
1169                 BIO_free(bio_c_out);
1170                 bio_c_out=NULL;
1171                 }
1172         apps_shutdown();
1173         OPENSSL_EXIT(ret);
1174         }
1175
1176
1177 static void print_stuff(BIO *bio, SSL *s, int full)
1178         {
1179         X509 *peer=NULL;
1180         char *p;
1181         static const char *space="                ";
1182         char buf[BUFSIZ];
1183         STACK_OF(X509) *sk;
1184         STACK_OF(X509_NAME) *sk2;
1185         SSL_CIPHER *c;
1186         X509_NAME *xn;
1187         int j,i;
1188 #ifndef OPENSSL_NO_COMP
1189         const COMP_METHOD *comp, *expansion;
1190 #endif
1191
1192         if (full)
1193                 {
1194                 int got_a_chain = 0;
1195
1196                 sk=SSL_get_peer_cert_chain(s);
1197                 if (sk != NULL)
1198                         {
1199                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1200
1201                         BIO_printf(bio,"---\nCertificate chain\n");
1202                         for (i=0; i<sk_X509_num(sk); i++)
1203                                 {
1204                                 X509_NAME_oneline(X509_get_subject_name(
1205                                         sk_X509_value(sk,i)),buf,sizeof buf);
1206                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1207                                 X509_NAME_oneline(X509_get_issuer_name(
1208                                         sk_X509_value(sk,i)),buf,sizeof buf);
1209                                 BIO_printf(bio,"   i:%s\n",buf);
1210                                 if (c_showcerts)
1211                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1212                                 }
1213                         }
1214
1215                 BIO_printf(bio,"---\n");
1216                 peer=SSL_get_peer_certificate(s);
1217                 if (peer != NULL)
1218                         {
1219                         BIO_printf(bio,"Server certificate\n");
1220                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1221                                 PEM_write_bio_X509(bio,peer);
1222                         X509_NAME_oneline(X509_get_subject_name(peer),
1223                                 buf,sizeof buf);
1224                         BIO_printf(bio,"subject=%s\n",buf);
1225                         X509_NAME_oneline(X509_get_issuer_name(peer),
1226                                 buf,sizeof buf);
1227                         BIO_printf(bio,"issuer=%s\n",buf);
1228                         }
1229                 else
1230                         BIO_printf(bio,"no peer certificate available\n");
1231
1232                 sk2=SSL_get_client_CA_list(s);
1233                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1234                         {
1235                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1236                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1237                                 {
1238                                 xn=sk_X509_NAME_value(sk2,i);
1239                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1240                                 BIO_write(bio,buf,strlen(buf));
1241                                 BIO_write(bio,"\n",1);
1242                                 }
1243                         }
1244                 else
1245                         {
1246                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1247                         }
1248                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1249                 if (p != NULL)
1250                         {
1251                         /* This works only for SSL 2.  In later protocol
1252                          * versions, the client does not know what other
1253                          * ciphers (in addition to the one to be used
1254                          * in the current connection) the server supports. */
1255
1256                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1257                         j=i=0;
1258                         while (*p)
1259                                 {
1260                                 if (*p == ':')
1261                                         {
1262                                         BIO_write(bio,space,15-j%25);
1263                                         i++;
1264                                         j=0;
1265                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1266                                         }
1267                                 else
1268                                         {
1269                                         BIO_write(bio,p,1);
1270                                         j++;
1271                                         }
1272                                 p++;
1273                                 }
1274                         BIO_write(bio,"\n",1);
1275                         }
1276
1277                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1278                         BIO_number_read(SSL_get_rbio(s)),
1279                         BIO_number_written(SSL_get_wbio(s)));
1280                 }
1281         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1282         c=SSL_get_current_cipher(s);
1283         BIO_printf(bio,"%s, Cipher is %s\n",
1284                 SSL_CIPHER_get_version(c),
1285                 SSL_CIPHER_get_name(c));
1286         if (peer != NULL) {
1287                 EVP_PKEY *pktmp;
1288                 pktmp = X509_get_pubkey(peer);
1289                 BIO_printf(bio,"Server public key is %d bit\n",
1290                                                          EVP_PKEY_bits(pktmp));
1291                 EVP_PKEY_free(pktmp);
1292         }
1293 #ifndef OPENSSL_NO_COMP
1294         comp=SSL_get_current_compression(s);
1295         expansion=SSL_get_current_expansion(s);
1296         BIO_printf(bio,"Compression: %s\n",
1297                 comp ? SSL_COMP_get_name(comp) : "NONE");
1298         BIO_printf(bio,"Expansion: %s\n",
1299                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1300 #endif
1301         SSL_SESSION_print(bio,SSL_get_session(s));
1302         BIO_printf(bio,"---\n");
1303         if (peer != NULL)
1304                 X509_free(peer);
1305         /* flush, or debugging output gets mixed with http response */
1306         BIO_flush(bio);
1307         }
1308