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 #ifndef OPENSSL_NO_TLSEXT
 226         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 227 #endif
 228         }
 229
 230 #ifndef OPENSSL_NO_TLSEXT
 231
 232 /* This is a context that we pass to callbacks */
 233 typedef struct tlsextctx_st {
 234    BIO * biodebug;
 235    int ack;
 236 } tlsextctx;
 237
 238
 239 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) {
 240         tlsextctx * p = (tlsextctx *) arg;
 241         const unsigned char * hn= SSL_get_servername(s, TLSEXT_TYPE_SERVER_host);
 242         if (SSL_get_servername_type(s) != -1)
 243                 p->ack = !SSL_session_reused(s) && hn != NULL;
 244         else
 245                 BIO_printf(bio_err,"SSL_get_tlsext_hostname does not work\n");
 246
 247         return SSL_ERROR_NONE;
 248 }
 249 #endif
 250
 251 int MAIN(int, char **);
 252
 253 int MAIN(int argc, char **argv)
 254         {
 255         int off=0;
 256         SSL *con=NULL,*con2=NULL;
 257         X509_STORE *store = NULL;
 258         int s,k,width,state=0;
 259         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 260         int cbuf_len,cbuf_off;
 261         int sbuf_len,sbuf_off;
 262         fd_set readfds,writefds;
 263         short port=PORT;
 264         int full_log=1;
 265         char *host=SSL_HOST_NAME;
 266         char *cert_file=NULL,*key_file=NULL;
 267         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 268         char *passarg = NULL, *pass = NULL;
 269         X509 *cert = NULL;
 270         EVP_PKEY *key = NULL;
 271         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 272         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 273         int crlf=0;
 274         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 275         SSL_CTX *ctx=NULL;
 276         int ret=1,in_init=1,i,nbio_test=0;
 277         int starttls_proto = 0;
 278         int prexit = 0, vflags = 0;
 279         const SSL_METHOD *meth=NULL;
 280         int socketType=SOCK_STREAM;
 281         BIO *sbio;
 282         char *inrand=NULL;
 283 #ifndef OPENSSL_NO_ENGINE
 284         char *engine_id=NULL;
 285         ENGINE *e=NULL;
 286 #endif
 287 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 288         struct timeval tv;
 289 #endif
 290
 291 #ifndef OPENSSL_NO_TLSEXT
 292         char *servername = NULL;
 293         tlsextctx tlsextcbp =
 294         {NULL,0};
 295 #endif
 296         struct sockaddr peer;
 297         int peerlen = sizeof(peer);
 298         int enable_timeouts = 0 ;
 299         long mtu = 0;
 300
 301 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 302         meth=SSLv23_client_method();
 303 #elif !defined(OPENSSL_NO_SSL3)
 304         meth=SSLv3_client_method();
 305 #elif !defined(OPENSSL_NO_SSL2)
 306         meth=SSLv2_client_method();
 307 #endif
 308
 309         apps_startup();
 310         c_Pause=0;
 311         c_quiet=0;
 312         c_ign_eof=0;
 313         c_debug=0;
 314         c_msg=0;
 315         c_showcerts=0;
 316
 317         if (bio_err == NULL)
 318                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 319
 320         if (!load_config(bio_err, NULL))
 321                 goto end;
 322
 323         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 324                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 325                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 326                 {
 327                 BIO_printf(bio_err,"out of memory\n");
 328                 goto end;
 329                 }
 330
 331         verify_depth=0;
 332         verify_error=X509_V_OK;
 333 #ifdef FIONBIO
 334         c_nbio=0;
 335 #endif
 336
 337         argc--;
 338         argv++;
 339         while (argc >= 1)
 340                 {
 341                 if      (strcmp(*argv,"-host") == 0)
 342                         {
 343                         if (--argc < 1) goto bad;
 344                         host= *(++argv);
 345                         }
 346                 else if (strcmp(*argv,"-port") == 0)
 347                         {
 348                         if (--argc < 1) goto bad;
 349                         port=atoi(*(++argv));
 350                         if (port == 0) goto bad;
 351                         }
 352                 else if (strcmp(*argv,"-connect") == 0)
 353                         {
 354                         if (--argc < 1) goto bad;
 355                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 356                                 goto bad;
 357                         }
 358                 else if (strcmp(*argv,"-verify") == 0)
 359                         {
 360                         verify=SSL_VERIFY_PEER;
 361                         if (--argc < 1) goto bad;
 362                         verify_depth=atoi(*(++argv));
 363                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 364                         }
 365                 else if (strcmp(*argv,"-cert") == 0)
 366                         {
 367                         if (--argc < 1) goto bad;
 368                         cert_file= *(++argv);
 369                         }
 370                 else if (strcmp(*argv,"-certform") == 0)
 371                         {
 372                         if (--argc < 1) goto bad;
 373                         cert_format = str2fmt(*(++argv));
 374                         }
 375                 else if (strcmp(*argv,"-crl_check") == 0)
 376                         vflags |= X509_V_FLAG_CRL_CHECK;
 377                 else if (strcmp(*argv,"-crl_check_all") == 0)
 378                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 379                 else if (strcmp(*argv,"-prexit") == 0)
 380                         prexit=1;
 381                 else if (strcmp(*argv,"-crlf") == 0)
 382                         crlf=1;
 383                 else if (strcmp(*argv,"-quiet") == 0)
 384                         {
 385                         c_quiet=1;
 386                         c_ign_eof=1;
 387                         }
 388                 else if (strcmp(*argv,"-ign_eof") == 0)
 389                         c_ign_eof=1;
 390                 else if (strcmp(*argv,"-pause") == 0)
 391                         c_Pause=1;
 392                 else if (strcmp(*argv,"-debug") == 0)
 393                         c_debug=1;
 394 #ifdef WATT32
 395                 else if (strcmp(*argv,"-wdebug") == 0)
 396                         dbug_init();
 397 #endif
 398                 else if (strcmp(*argv,"-msg") == 0)
 399                         c_msg=1;
 400                 else if (strcmp(*argv,"-showcerts") == 0)
 401                         c_showcerts=1;
 402                 else if (strcmp(*argv,"-nbio_test") == 0)
 403                         nbio_test=1;
 404                 else if (strcmp(*argv,"-state") == 0)
 405                         state=1;
 406 #ifndef OPENSSL_NO_SSL2
 407                 else if (strcmp(*argv,"-ssl2") == 0)
 408                         meth=SSLv2_client_method();
 409 #endif
 410 #ifndef OPENSSL_NO_SSL3
 411                 else if (strcmp(*argv,"-ssl3") == 0)
 412                         meth=SSLv3_client_method();
 413 #endif
 414 #ifndef OPENSSL_NO_TLS1
 415                 else if (strcmp(*argv,"-tls1") == 0)
 416                         meth=TLSv1_client_method();
 417 #endif
 418 #ifndef OPENSSL_NO_DTLS1
 419                 else if (strcmp(*argv,"-dtls1") == 0)
 420                         {
 421                         meth=DTLSv1_client_method();
 422                         socketType=SOCK_DGRAM;
 423                         }
 424                 else if (strcmp(*argv,"-timeout") == 0)
 425                         enable_timeouts=1;
 426                 else if (strcmp(*argv,"-mtu") == 0)
 427                         {
 428                         if (--argc < 1) goto bad;
 429                         mtu = atol(*(++argv));
 430                         }
 431 #endif
 432                 else if (strcmp(*argv,"-bugs") == 0)
 433                         bugs=1;
 434                 else if (strcmp(*argv,"-keyform") == 0)
 435                         {
 436                         if (--argc < 1) goto bad;
 437                         key_format = str2fmt(*(++argv));
 438                         }
 439                 else if (strcmp(*argv,"-pass") == 0)
 440                         {
 441                         if (--argc < 1) goto bad;
 442                         passarg = *(++argv);
 443                         }
 444                 else if (strcmp(*argv,"-key") == 0)
 445                         {
 446                         if (--argc < 1) goto bad;
 447                         key_file= *(++argv);
 448                         }
 449                 else if (strcmp(*argv,"-reconnect") == 0)
 450                         {
 451                         reconnect=5;
 452                         }
 453                 else if (strcmp(*argv,"-CApath") == 0)
 454                         {
 455                         if (--argc < 1) goto bad;
 456                         CApath= *(++argv);
 457                         }
 458                 else if (strcmp(*argv,"-CAfile") == 0)
 459                         {
 460                         if (--argc < 1) goto bad;
 461                         CAfile= *(++argv);
 462                         }
 463                 else if (strcmp(*argv,"-no_tls1") == 0)
 464                         off|=SSL_OP_NO_TLSv1;
 465                 else if (strcmp(*argv,"-no_ssl3") == 0)
 466                         off|=SSL_OP_NO_SSLv3;
 467                 else if (strcmp(*argv,"-no_ssl2") == 0)
 468                         off|=SSL_OP_NO_SSLv2;
 469                 else if (strcmp(*argv,"-no_comp") == 0)
 470                         { off|=SSL_OP_NO_COMPRESSION; }
 471                 else if (strcmp(*argv,"-serverpref") == 0)
 472                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 473                 else if (strcmp(*argv,"-cipher") == 0)
 474                         {
 475                         if (--argc < 1) goto bad;
 476                         cipher= *(++argv);
 477                         }
 478 #ifdef FIONBIO
 479                 else if (strcmp(*argv,"-nbio") == 0)
 480                         { c_nbio=1; }
 481 #endif
 482                 else if (strcmp(*argv,"-starttls") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         ++argv;
 486                         if (strcmp(*argv,"smtp") == 0)
 487                                 starttls_proto = 1;
 488                         else if (strcmp(*argv,"pop3") == 0)
 489                                 starttls_proto = 2;
 490                         else
 491                                 goto bad;
 492                         }
 493 #ifndef OPENSSL_NO_ENGINE
 494                 else if (strcmp(*argv,"-engine") == 0)
 495                         {
 496                         if (--argc < 1) goto bad;
 497                         engine_id = *(++argv);
 498                         }
 499 #endif
 500                 else if (strcmp(*argv,"-rand") == 0)
 501                         {
 502                         if (--argc < 1) goto bad;
 503                         inrand= *(++argv);
 504                         }
 505 #ifndef OPENSSL_NO_TLSEXT
 506                 else if (strcmp(*argv,"-servername") == 0)
 507                         {
 508                         if (--argc < 1) goto bad;
 509                         servername= *(++argv);
 510                         /* meth=TLSv1_client_method(); */
 511                         }
 512 #endif
 513                 else
 514                         {
 515                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 516                         badop=1;
 517                         break;
 518                         }
 519                 argc--;
 520                 argv++;
 521                 }
 522         if (badop)
 523                 {
 524 bad:
 525                 sc_usage();
 526                 goto end;
 527                 }
 528
 529         OpenSSL_add_ssl_algorithms();
 530         SSL_load_error_strings();
 531
 532 #ifndef OPENSSL_NO_ENGINE
 533         e = setup_engine(bio_err, engine_id, 1);
 534 #endif
 535         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 536                 {
 537                 BIO_printf(bio_err, "Error getting password\n");
 538                 goto end;
 539                 }
 540
 541         if (key_file == NULL)
 542                 key_file = cert_file;
 543
 544
 545         if (key_file)
 546
 547                 {
 548
 549                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 550                                "client certificate private key file");
 551                 if (!key)
 552                         {
 553                         ERR_print_errors(bio_err);
 554                         goto end;
 555                         }
 556
 557                 }
 558
 559         if (cert_file)
 560
 561                 {
 562                 cert = load_cert(bio_err,cert_file,cert_format,
 563                                 NULL, e, "client certificate file");
 564
 565                 if (!cert)
 566                         {
 567                         ERR_print_errors(bio_err);
 568                         goto end;
 569                         }
 570                 }
 571
 572         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 573                 && !RAND_status())
 574                 {
 575                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 576                 }
 577         if (inrand != NULL)
 578                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 579                         app_RAND_load_files(inrand));
 580
 581         if (bio_c_out == NULL)
 582                 {
 583                 if (c_quiet && !c_debug && !c_msg)
 584                         {
 585                         bio_c_out=BIO_new(BIO_s_null());
 586                         }
 587                 else
 588                         {
 589                         if (bio_c_out == NULL)
 590                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 591                         }
 592                 }
 593
 594         ctx=SSL_CTX_new(meth);
 595         if (ctx == NULL)
 596                 {
 597                 ERR_print_errors(bio_err);
 598                 goto end;
 599                 }
 600
 601         if (bugs)
 602                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 603         else
 604                 SSL_CTX_set_options(ctx,off);
 605         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 606          * Setting read ahead solves this problem.
 607          */
 608         if (socketType == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 609
 610         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 611         if (cipher != NULL)
 612                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 613                 BIO_printf(bio_err,"error setting cipher list\n");
 614                 ERR_print_errors(bio_err);
 615                 goto end;
 616         }
 617 #if 0
 618         else
 619                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 620 #endif
 621
 622         SSL_CTX_set_verify(ctx,verify,verify_callback);
 623         if (!set_cert_key_stuff(ctx,cert,key))
 624                 goto end;
 625
 626         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 627                 (!SSL_CTX_set_default_verify_paths(ctx)))
 628                 {
 629                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 630                 ERR_print_errors(bio_err);
 631                 /* goto end; */
 632                 }
 633
 634         store = SSL_CTX_get_cert_store(ctx);
 635         X509_STORE_set_flags(store, vflags);
 636 #ifndef OPENSSL_NO_TLSEXT
 637         if (servername != NULL) {
 638                 tlsextcbp.biodebug = bio_err;
 639                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 640                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 641         }
 642 #endif
 643
 644         con=SSL_new(ctx);
 645 #ifndef OPENSSL_NO_TLSEXT
 646         if (servername != NULL){
 647                 if (!SSL_set_tlsext_hostname(con,servername)){
 648                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
 649                         ERR_print_errors(bio_err);
 650                         goto end;
 651                 }
 652         }
 653 #endif
 654 #ifndef OPENSSL_NO_KRB5
 655         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 656                 {
 657                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 658                 }
 659 #endif  /* OPENSSL_NO_KRB5  */
 660 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 661
 662 re_start:
 663
 664         if (init_client(&s,host,port,socketType) == 0)
 665                 {
 666                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 667                 SHUTDOWN(s);
 668                 goto end;
 669                 }
 670         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 671
 672 #ifdef FIONBIO
 673         if (c_nbio)
 674                 {
 675                 unsigned long l=1;
 676                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 677                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 678                         {
 679                         ERR_print_errors(bio_err);
 680                         goto end;
 681                         }
 682                 }
 683 #endif
 684         if (c_Pause & 0x01) con->debug=1;
 685
 686         if ( SSL_version(con) == DTLS1_VERSION)
 687                 {
 688                 struct timeval timeout;
 689
 690                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 691                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 692                         {
 693                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 694                                 get_last_socket_error());
 695                         SHUTDOWN(s);
 696                         goto end;
 697                         }
 698
 699                 BIO_ctrl_set_connected(sbio, 1, &peer);
 700
 701                 if ( enable_timeouts)
 702                         {
 703                         timeout.tv_sec = 0;
 704                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 705                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
 706
 707                         timeout.tv_sec = 0;
 708                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
 709                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
 710                         }
 711
 712                 if ( mtu > 0)
 713                         {
 714                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
 715                         SSL_set_mtu(con, mtu);
 716                         }
 717                 else
 718                         /* want to do MTU discovery */
 719                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
 720                 }
 721         else
 722                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
 723
 724
 725
 726         if (nbio_test)
 727                 {
 728                 BIO *test;
 729
 730                 test=BIO_new(BIO_f_nbio_test());
 731                 sbio=BIO_push(test,sbio);
 732                 }
 733
 734         if (c_debug)
 735                 {
 736                 con->debug=1;
 737                 BIO_set_callback(sbio,bio_dump_callback);
 738                 BIO_set_callback_arg(sbio,bio_c_out);
 739                 }
 740         if (c_msg)
 741                 {
 742                 SSL_set_msg_callback(con, msg_cb);
 743                 SSL_set_msg_callback_arg(con, bio_c_out);
 744                 }
 745
 746         SSL_set_bio(con,sbio,sbio);
 747         SSL_set_connect_state(con);
 748
 749         /* ok, lets connect */
 750         width=SSL_get_fd(con)+1;
 751
 752         read_tty=1;
 753         write_tty=0;
 754         tty_on=0;
 755         read_ssl=1;
 756         write_ssl=1;
 757
 758         cbuf_len=0;
 759         cbuf_off=0;
 760         sbuf_len=0;
 761         sbuf_off=0;
 762
 763         /* This is an ugly hack that does a lot of assumptions */
 764         if (starttls_proto == 1)
 765                 {
 766                 BIO_read(sbio,mbuf,BUFSIZZ);
 767                 BIO_printf(sbio,"STARTTLS\r\n");
 768                 BIO_read(sbio,sbuf,BUFSIZZ);
 769                 }
 770         if (starttls_proto == 2)
 771                 {
 772                 BIO_read(sbio,mbuf,BUFSIZZ);
 773                 BIO_printf(sbio,"STLS\r\n");
 774                 BIO_read(sbio,sbuf,BUFSIZZ);
 775                 }
 776
 777         for (;;)
 778                 {
 779                 FD_ZERO(&readfds);
 780                 FD_ZERO(&writefds);
 781
 782                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 783                         {
 784                         in_init=1;
 785                         tty_on=0;
 786                         }
 787                 else
 788                         {
 789                         tty_on=1;
 790                         if (in_init)
 791                                 {
 792                                 in_init=0;
 793 #ifndef OPENSSL_NO_TLSEXT
 794         if (servername != NULL && !SSL_session_reused(con)) {
 795                 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
 796         }
 797 #endif
 798                                 print_stuff(bio_c_out,con,full_log);
 799                                 if (full_log > 0) full_log--;
 800
 801                                 if (starttls_proto)
 802                                         {
 803                                         BIO_printf(bio_err,"%s",mbuf);
 804                                         /* We don't need to know any more */
 805                                         starttls_proto = 0;
 806                                         }
 807
 808                                 if (reconnect)
 809                                         {
 810                                         reconnect--;
 811                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 812                                         SSL_shutdown(con);
 813                                         SSL_set_connect_state(con);
 814                                         SHUTDOWN(SSL_get_fd(con));
 815                                         goto re_start;
 816                                         }
 817                                 }
 818                         }
 819
 820                 ssl_pending = read_ssl && SSL_pending(con);
 821
 822                 if (!ssl_pending)
 823                         {
 824 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
 825                         if (tty_on)
 826                                 {
 827                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
 828                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
 829                                 }
 830                         if (read_ssl)
 831                                 FD_SET(SSL_get_fd(con),&readfds);
 832                         if (write_ssl)
 833                                 FD_SET(SSL_get_fd(con),&writefds);
 834 #else
 835                         if(!tty_on || !write_tty) {
 836                                 if (read_ssl)
 837                                         FD_SET(SSL_get_fd(con),&readfds);
 838                                 if (write_ssl)
 839                                         FD_SET(SSL_get_fd(con),&writefds);
 840                         }
 841 #endif
 842 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
 843                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 844
 845                         /* Note: under VMS with SOCKETSHR the second parameter
 846                          * is currently of type (int *) whereas under other
 847                          * systems it is (void *) if you don't have a cast it
 848                          * will choke the compiler: if you do have a cast then
 849                          * you can either go for (int *) or (void *).
 850                          */
 851 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 852                         /* Under Windows/DOS we make the assumption that we can
 853                          * always write to the tty: therefore if we need to
 854                          * write to the tty we just fall through. Otherwise
 855                          * we timeout the select every second and see if there
 856                          * are any keypresses. Note: this is a hack, in a proper
 857                          * Windows application we wouldn't do this.
 858                          */
 859                         i=0;
 860                         if(!write_tty) {
 861                                 if(read_tty) {
 862                                         tv.tv_sec = 1;
 863                                         tv.tv_usec = 0;
 864                                         i=select(width,(void *)&readfds,(void *)&writefds,
 865                                                  NULL,&tv);
 866 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 867                                         if(!i && (!_kbhit() || !read_tty) ) continue;
 868 #else
 869                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
 870 #endif
 871                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 872                                          NULL,NULL);
 873                         }
 874 #elif defined(OPENSSL_SYS_NETWARE)
 875                         if(!write_tty) {
 876                                 if(read_tty) {
 877                                         tv.tv_sec = 1;
 878                                         tv.tv_usec = 0;
 879                                         i=select(width,(void *)&readfds,(void *)&writefds,
 880                                                 NULL,&tv);
 881                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 882                                         NULL,NULL);
 883                         }
 884 #else
 885                         i=select(width,(void *)&readfds,(void *)&writefds,
 886                                  NULL,NULL);
 887 #endif
 888                         if ( i < 0)
 889                                 {
 890                                 BIO_printf(bio_err,"bad select %d\n",
 891                                 get_last_socket_error());
 892                                 goto shut;
 893                                 /* goto end; */
 894                                 }
 895                         }
 896
 897                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 898                         {
 899                         k=SSL_write(con,&(cbuf[cbuf_off]),
 900                                 (unsigned int)cbuf_len);
 901                         switch (SSL_get_error(con,k))
 902                                 {
 903                         case SSL_ERROR_NONE:
 904                                 cbuf_off+=k;
 905                                 cbuf_len-=k;
 906                                 if (k <= 0) goto end;
 907                                 /* we have done a  write(con,NULL,0); */
 908                                 if (cbuf_len <= 0)
 909                                         {
 910                                         read_tty=1;
 911                                         write_ssl=0;
 912                                         }
 913                                 else /* if (cbuf_len > 0) */
 914                                         {
 915                                         read_tty=0;
 916                                         write_ssl=1;
 917                                         }
 918                                 break;
 919                         case SSL_ERROR_WANT_WRITE:
 920                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 921                                 write_ssl=1;
 922                                 read_tty=0;
 923                                 break;
 924                         case SSL_ERROR_WANT_READ:
 925                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 926                                 write_tty=0;
 927                                 read_ssl=1;
 928                                 write_ssl=0;
 929                                 break;
 930                         case SSL_ERROR_WANT_X509_LOOKUP:
 931                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 932                                 break;
 933                         case SSL_ERROR_ZERO_RETURN:
 934                                 if (cbuf_len != 0)
 935                                         {
 936                                         BIO_printf(bio_c_out,"shutdown\n");
 937                                         goto shut;
 938                                         }
 939                                 else
 940                                         {
 941                                         read_tty=1;
 942                                         write_ssl=0;
 943                                         break;
 944                                         }
 945
 946                         case SSL_ERROR_SYSCALL:
 947                                 if ((k != 0) || (cbuf_len != 0))
 948                                         {
 949                                         BIO_printf(bio_err,"write:errno=%d\n",
 950                                                 get_last_socket_error());
 951                                         goto shut;
 952                                         }
 953                                 else
 954                                         {
 955                                         read_tty=1;
 956                                         write_ssl=0;
 957                                         }
 958                                 break;
 959                         case SSL_ERROR_SSL:
 960                                 ERR_print_errors(bio_err);
 961                                 goto shut;
 962                                 }
 963                         }
 964 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 965                 /* Assume Windows/DOS can always write */
 966                 else if (!ssl_pending && write_tty)
 967 #else
 968                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
 969 #endif
 970                         {
 971 #ifdef CHARSET_EBCDIC
 972                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
 973 #endif
 974                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
 975
 976                         if (i <= 0)
 977                                 {
 978                                 BIO_printf(bio_c_out,"DONE\n");
 979                                 goto shut;
 980                                 /* goto end; */
 981                                 }
 982
 983                         sbuf_len-=i;;
 984                         sbuf_off+=i;
 985                         if (sbuf_len <= 0)
 986                                 {
 987                                 read_ssl=1;
 988                                 write_tty=0;
 989                                 }
 990                         }
 991                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 992                         {
 993 #ifdef RENEG
 994 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
 995 #endif
 996 #if 1
 997                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
 998 #else
 999 /* Demo for pending and peek :-) */
1000                         k=SSL_read(con,sbuf,16);
1001 { char zbuf[10240];
1002 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1003 }
1004 #endif
1005
1006                         switch (SSL_get_error(con,k))
1007                                 {
1008                         case SSL_ERROR_NONE:
1009                                 if (k <= 0)
1010                                         goto end;
1011                                 sbuf_off=0;
1012                                 sbuf_len=k;
1013
1014                                 read_ssl=0;
1015                                 write_tty=1;
1016                                 break;
1017                         case SSL_ERROR_WANT_WRITE:
1018                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1019                                 write_ssl=1;
1020                                 read_tty=0;
1021                                 break;
1022                         case SSL_ERROR_WANT_READ:
1023                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1024                                 write_tty=0;
1025                                 read_ssl=1;
1026                                 if ((read_tty == 0) && (write_ssl == 0))
1027                                         write_ssl=1;
1028                                 break;
1029                         case SSL_ERROR_WANT_X509_LOOKUP:
1030                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1031                                 break;
1032                         case SSL_ERROR_SYSCALL:
1033                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1034                                 goto shut;
1035                         case SSL_ERROR_ZERO_RETURN:
1036                                 BIO_printf(bio_c_out,"closed\n");
1037                                 goto shut;
1038                         case SSL_ERROR_SSL:
1039                                 ERR_print_errors(bio_err);
1040                                 goto shut;
1041                                 /* break; */
1042                                 }
1043                         }
1044
1045 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1046 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1047                 else if (_kbhit())
1048 #else
1049                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1050 #endif
1051 #elif defined (OPENSSL_SYS_NETWARE)
1052                 else if (_kbhit())
1053 #else
1054                 else if (FD_ISSET(fileno(stdin),&readfds))
1055 #endif
1056                         {
1057                         if (crlf)
1058                                 {
1059                                 int j, lf_num;
1060
1061                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1062                                 lf_num = 0;
1063                                 /* both loops are skipped when i <= 0 */
1064                                 for (j = 0; j < i; j++)
1065                                         if (cbuf[j] == '\n')
1066                                                 lf_num++;
1067                                 for (j = i-1; j >= 0; j--)
1068                                         {
1069                                         cbuf[j+lf_num] = cbuf[j];
1070                                         if (cbuf[j] == '\n')
1071                                                 {
1072                                                 lf_num--;
1073                                                 i++;
1074                                                 cbuf[j+lf_num] = '\r';
1075                                                 }
1076                                         }
1077                                 assert(lf_num == 0);
1078                                 }
1079                         else
1080                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1081
1082                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1083                                 {
1084                                 BIO_printf(bio_err,"DONE\n");
1085                                 goto shut;
1086                                 }
1087
1088                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1089                                 {
1090                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1091                                 SSL_renegotiate(con);
1092                                 cbuf_len=0;
1093                                 }
1094                         else
1095                                 {
1096                                 cbuf_len=i;
1097                                 cbuf_off=0;
1098 #ifdef CHARSET_EBCDIC
1099                                 ebcdic2ascii(cbuf, cbuf, i);
1100 #endif
1101                                 }
1102
1103                         write_ssl=1;
1104                         read_tty=0;
1105                         }
1106                 }
1107 shut:
1108         SSL_shutdown(con);
1109         SHUTDOWN(SSL_get_fd(con));
1110         ret=0;
1111 end:
1112         if(prexit) print_stuff(bio_c_out,con,1);
1113         if (con != NULL) SSL_free(con);
1114         if (con2 != NULL) SSL_free(con2);
1115         if (ctx != NULL) SSL_CTX_free(ctx);
1116         if (cert)
1117                 X509_free(cert);
1118         if (key)
1119                 EVP_PKEY_free(key);
1120         if (pass)
1121                 OPENSSL_free(pass);
1122         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1123         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1124         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1125         if (bio_c_out != NULL)
1126                 {
1127                 BIO_free(bio_c_out);
1128                 bio_c_out=NULL;
1129                 }
1130         apps_shutdown();
1131         OPENSSL_EXIT(ret);
1132         }
1133
1134
1135 static void print_stuff(BIO *bio, SSL *s, int full)
1136         {
1137         X509 *peer=NULL;
1138         char *p;
1139         static const char *space="                ";
1140         char buf[BUFSIZ];
1141         STACK_OF(X509) *sk;
1142         STACK_OF(X509_NAME) *sk2;
1143         SSL_CIPHER *c;
1144         X509_NAME *xn;
1145         int j,i;
1146 #ifndef OPENSSL_NO_COMP
1147         const COMP_METHOD *comp, *expansion;
1148 #endif
1149
1150         if (full)
1151                 {
1152                 int got_a_chain = 0;
1153
1154                 sk=SSL_get_peer_cert_chain(s);
1155                 if (sk != NULL)
1156                         {
1157                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1158
1159                         BIO_printf(bio,"---\nCertificate chain\n");
1160                         for (i=0; i<sk_X509_num(sk); i++)
1161                                 {
1162                                 X509_NAME_oneline(X509_get_subject_name(
1163                                         sk_X509_value(sk,i)),buf,sizeof buf);
1164                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1165                                 X509_NAME_oneline(X509_get_issuer_name(
1166                                         sk_X509_value(sk,i)),buf,sizeof buf);
1167                                 BIO_printf(bio,"   i:%s\n",buf);
1168                                 if (c_showcerts)
1169                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1170                                 }
1171                         }
1172
1173                 BIO_printf(bio,"---\n");
1174                 peer=SSL_get_peer_certificate(s);
1175                 if (peer != NULL)
1176                         {
1177                         BIO_printf(bio,"Server certificate\n");
1178                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1179                                 PEM_write_bio_X509(bio,peer);
1180                         X509_NAME_oneline(X509_get_subject_name(peer),
1181                                 buf,sizeof buf);
1182                         BIO_printf(bio,"subject=%s\n",buf);
1183                         X509_NAME_oneline(X509_get_issuer_name(peer),
1184                                 buf,sizeof buf);
1185                         BIO_printf(bio,"issuer=%s\n",buf);
1186                         }
1187                 else
1188                         BIO_printf(bio,"no peer certificate available\n");
1189
1190                 sk2=SSL_get_client_CA_list(s);
1191                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1192                         {
1193                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1194                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1195                                 {
1196                                 xn=sk_X509_NAME_value(sk2,i);
1197                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1198                                 BIO_write(bio,buf,strlen(buf));
1199                                 BIO_write(bio,"\n",1);
1200                                 }
1201                         }
1202                 else
1203                         {
1204                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1205                         }
1206                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1207                 if (p != NULL)
1208                         {
1209                         /* This works only for SSL 2.  In later protocol
1210                          * versions, the client does not know what other
1211                          * ciphers (in addition to the one to be used
1212                          * in the current connection) the server supports. */
1213
1214                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1215                         j=i=0;
1216                         while (*p)
1217                                 {
1218                                 if (*p == ':')
1219                                         {
1220                                         BIO_write(bio,space,15-j%25);
1221                                         i++;
1222                                         j=0;
1223                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1224                                         }
1225                                 else
1226                                         {
1227                                         BIO_write(bio,p,1);
1228                                         j++;
1229                                         }
1230                                 p++;
1231                                 }
1232                         BIO_write(bio,"\n",1);
1233                         }
1234
1235                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1236                         BIO_number_read(SSL_get_rbio(s)),
1237                         BIO_number_written(SSL_get_wbio(s)));
1238                 }
1239         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1240         c=SSL_get_current_cipher(s);
1241         BIO_printf(bio,"%s, Cipher is %s\n",
1242                 SSL_CIPHER_get_version(c),
1243                 SSL_CIPHER_get_name(c));
1244         if (peer != NULL) {
1245                 EVP_PKEY *pktmp;
1246                 pktmp = X509_get_pubkey(peer);
1247                 BIO_printf(bio,"Server public key is %d bit\n",
1248                                                          EVP_PKEY_bits(pktmp));
1249                 EVP_PKEY_free(pktmp);
1250         }
1251 #ifndef OPENSSL_NO_COMP
1252         comp=SSL_get_current_compression(s);
1253         expansion=SSL_get_current_expansion(s);
1254         BIO_printf(bio,"Compression: %s\n",
1255                 comp ? SSL_COMP_get_name(comp) : "NONE");
1256         BIO_printf(bio,"Expansion: %s\n",
1257                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1258 #endif
1259         SSL_SESSION_print(bio,SSL_get_session(s));
1260         BIO_printf(bio,"---\n");
1261         if (peer != NULL)
1262                 X509_free(peer);
1263         /* flush, or debugging output gets mixed with http response */
1264         BIO_flush(bio);
1265         }
1266