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) 1998-2006 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         {
 241         tlsextctx * p = (tlsextctx *) arg;
 242         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 243         if (SSL_get_servername_type(s) != -1)
 244                 p->ack = !SSL_session_reused(s) && hn != NULL;
 245         else
 246                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 247
 248         return SSL_TLSEXT_ERR_OK;
 249         }
 250 #endif
 251
 252 int MAIN(int, char **);
 253
 254 int MAIN(int argc, char **argv)
 255         {
 256         int off=0;
 257         SSL *con=NULL,*con2=NULL;
 258         X509_STORE *store = NULL;
 259         int s,k,width,state=0;
 260         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 261         int cbuf_len,cbuf_off;
 262         int sbuf_len,sbuf_off;
 263         fd_set readfds,writefds;
 264         short port=PORT;
 265         int full_log=1;
 266         char *host=SSL_HOST_NAME;
 267         char *cert_file=NULL,*key_file=NULL;
 268         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 269         char *passarg = NULL, *pass = NULL;
 270         X509 *cert = NULL;
 271         EVP_PKEY *key = NULL;
 272         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 273         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 274         int crlf=0;
 275         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 276         SSL_CTX *ctx=NULL;
 277         int ret=1,in_init=1,i,nbio_test=0;
 278         int starttls_proto = 0;
 279         int prexit = 0, vflags = 0;
 280         const SSL_METHOD *meth=NULL;
 281         int socket_type=SOCK_STREAM;
 282         BIO *sbio;
 283         char *inrand=NULL;
 284 #ifndef OPENSSL_NO_ENGINE
 285         char *engine_id=NULL;
 286         ENGINE *e=NULL;
 287 #endif
 288 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 289         struct timeval tv;
 290 #endif
 291
 292 #ifndef OPENSSL_NO_TLSEXT
 293         char *servername = NULL;
 294         tlsextctx tlsextcbp =
 295         {NULL,0};
 296 #endif
 297         struct sockaddr peer;
 298         int peerlen = sizeof(peer);
 299         int enable_timeouts = 0 ;
 300         long socket_mtu = 0;
 301
 302 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 303         meth=SSLv23_client_method();
 304 #elif !defined(OPENSSL_NO_SSL3)
 305         meth=SSLv3_client_method();
 306 #elif !defined(OPENSSL_NO_SSL2)
 307         meth=SSLv2_client_method();
 308 #endif
 309
 310         apps_startup();
 311         c_Pause=0;
 312         c_quiet=0;
 313         c_ign_eof=0;
 314         c_debug=0;
 315         c_msg=0;
 316         c_showcerts=0;
 317
 318         if (bio_err == NULL)
 319                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 320
 321         if (!load_config(bio_err, NULL))
 322                 goto end;
 323
 324         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 325                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 326                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 327                 {
 328                 BIO_printf(bio_err,"out of memory\n");
 329                 goto end;
 330                 }
 331
 332         verify_depth=0;
 333         verify_error=X509_V_OK;
 334 #ifdef FIONBIO
 335         c_nbio=0;
 336 #endif
 337
 338         argc--;
 339         argv++;
 340         while (argc >= 1)
 341                 {
 342                 if      (strcmp(*argv,"-host") == 0)
 343                         {
 344                         if (--argc < 1) goto bad;
 345                         host= *(++argv);
 346                         }
 347                 else if (strcmp(*argv,"-port") == 0)
 348                         {
 349                         if (--argc < 1) goto bad;
 350                         port=atoi(*(++argv));
 351                         if (port == 0) goto bad;
 352                         }
 353                 else if (strcmp(*argv,"-connect") == 0)
 354                         {
 355                         if (--argc < 1) goto bad;
 356                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 357                                 goto bad;
 358                         }
 359                 else if (strcmp(*argv,"-verify") == 0)
 360                         {
 361                         verify=SSL_VERIFY_PEER;
 362                         if (--argc < 1) goto bad;
 363                         verify_depth=atoi(*(++argv));
 364                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 365                         }
 366                 else if (strcmp(*argv,"-cert") == 0)
 367                         {
 368                         if (--argc < 1) goto bad;
 369                         cert_file= *(++argv);
 370                         }
 371                 else if (strcmp(*argv,"-certform") == 0)
 372                         {
 373                         if (--argc < 1) goto bad;
 374                         cert_format = str2fmt(*(++argv));
 375                         }
 376                 else if (strcmp(*argv,"-crl_check") == 0)
 377                         vflags |= X509_V_FLAG_CRL_CHECK;
 378                 else if (strcmp(*argv,"-crl_check_all") == 0)
 379                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 380                 else if (strcmp(*argv,"-prexit") == 0)
 381                         prexit=1;
 382                 else if (strcmp(*argv,"-crlf") == 0)
 383                         crlf=1;
 384                 else if (strcmp(*argv,"-quiet") == 0)
 385                         {
 386                         c_quiet=1;
 387                         c_ign_eof=1;
 388                         }
 389                 else if (strcmp(*argv,"-ign_eof") == 0)
 390                         c_ign_eof=1;
 391                 else if (strcmp(*argv,"-pause") == 0)
 392                         c_Pause=1;
 393                 else if (strcmp(*argv,"-debug") == 0)
 394                         c_debug=1;
 395 #ifdef WATT32
 396                 else if (strcmp(*argv,"-wdebug") == 0)
 397                         dbug_init();
 398 #endif
 399                 else if (strcmp(*argv,"-msg") == 0)
 400                         c_msg=1;
 401                 else if (strcmp(*argv,"-showcerts") == 0)
 402                         c_showcerts=1;
 403                 else if (strcmp(*argv,"-nbio_test") == 0)
 404                         nbio_test=1;
 405                 else if (strcmp(*argv,"-state") == 0)
 406                         state=1;
 407 #ifndef OPENSSL_NO_SSL2
 408                 else if (strcmp(*argv,"-ssl2") == 0)
 409                         meth=SSLv2_client_method();
 410 #endif
 411 #ifndef OPENSSL_NO_SSL3
 412                 else if (strcmp(*argv,"-ssl3") == 0)
 413                         meth=SSLv3_client_method();
 414 #endif
 415 #ifndef OPENSSL_NO_TLS1
 416                 else if (strcmp(*argv,"-tls1") == 0)
 417                         meth=TLSv1_client_method();
 418 #endif
 419 #ifndef OPENSSL_NO_DTLS1
 420                 else if (strcmp(*argv,"-dtls1") == 0)
 421                         {
 422                         meth=DTLSv1_client_method();
 423                         socket_type=SOCK_DGRAM;
 424                         }
 425                 else if (strcmp(*argv,"-timeout") == 0)
 426                         enable_timeouts=1;
 427                 else if (strcmp(*argv,"-mtu") == 0)
 428                         {
 429                         if (--argc < 1) goto bad;
 430                         socket_mtu = atol(*(++argv));
 431                         }
 432 #endif
 433                 else if (strcmp(*argv,"-bugs") == 0)
 434                         bugs=1;
 435                 else if (strcmp(*argv,"-keyform") == 0)
 436                         {
 437                         if (--argc < 1) goto bad;
 438                         key_format = str2fmt(*(++argv));
 439                         }
 440                 else if (strcmp(*argv,"-pass") == 0)
 441                         {
 442                         if (--argc < 1) goto bad;
 443                         passarg = *(++argv);
 444                         }
 445                 else if (strcmp(*argv,"-key") == 0)
 446                         {
 447                         if (--argc < 1) goto bad;
 448                         key_file= *(++argv);
 449                         }
 450                 else if (strcmp(*argv,"-reconnect") == 0)
 451                         {
 452                         reconnect=5;
 453                         }
 454                 else if (strcmp(*argv,"-CApath") == 0)
 455                         {
 456                         if (--argc < 1) goto bad;
 457                         CApath= *(++argv);
 458                         }
 459                 else if (strcmp(*argv,"-CAfile") == 0)
 460                         {
 461                         if (--argc < 1) goto bad;
 462                         CAfile= *(++argv);
 463                         }
 464                 else if (strcmp(*argv,"-no_tls1") == 0)
 465                         off|=SSL_OP_NO_TLSv1;
 466                 else if (strcmp(*argv,"-no_ssl3") == 0)
 467                         off|=SSL_OP_NO_SSLv3;
 468                 else if (strcmp(*argv,"-no_ssl2") == 0)
 469                         off|=SSL_OP_NO_SSLv2;
 470                 else if (strcmp(*argv,"-no_comp") == 0)
 471                         { off|=SSL_OP_NO_COMPRESSION; }
 472                 else if (strcmp(*argv,"-serverpref") == 0)
 473                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 474                 else if (strcmp(*argv,"-cipher") == 0)
 475                         {
 476                         if (--argc < 1) goto bad;
 477                         cipher= *(++argv);
 478                         }
 479 #ifdef FIONBIO
 480                 else if (strcmp(*argv,"-nbio") == 0)
 481                         { c_nbio=1; }
 482 #endif
 483                 else if (strcmp(*argv,"-starttls") == 0)
 484                         {
 485                         if (--argc < 1) goto bad;
 486                         ++argv;
 487                         if (strcmp(*argv,"smtp") == 0)
 488                                 starttls_proto = 1;
 489                         else if (strcmp(*argv,"pop3") == 0)
 490                                 starttls_proto = 2;
 491                         else
 492                                 goto bad;
 493                         }
 494 #ifndef OPENSSL_NO_ENGINE
 495                 else if (strcmp(*argv,"-engine") == 0)
 496                         {
 497                         if (--argc < 1) goto bad;
 498                         engine_id = *(++argv);
 499                         }
 500 #endif
 501                 else if (strcmp(*argv,"-rand") == 0)
 502                         {
 503                         if (--argc < 1) goto bad;
 504                         inrand= *(++argv);
 505                         }
 506 #ifndef OPENSSL_NO_TLSEXT
 507                 else if (strcmp(*argv,"-servername") == 0)
 508                         {
 509                         if (--argc < 1) goto bad;
 510                         servername= *(++argv);
 511                         /* meth=TLSv1_client_method(); */
 512                         }
 513 #endif
 514                 else
 515                         {
 516                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 517                         badop=1;
 518                         break;
 519                         }
 520                 argc--;
 521                 argv++;
 522                 }
 523         if (badop)
 524                 {
 525 bad:
 526                 sc_usage();
 527                 goto end;
 528                 }
 529
 530         OpenSSL_add_ssl_algorithms();
 531         SSL_load_error_strings();
 532
 533 #ifndef OPENSSL_NO_ENGINE
 534         e = setup_engine(bio_err, engine_id, 1);
 535 #endif
 536         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 537                 {
 538                 BIO_printf(bio_err, "Error getting password\n");
 539                 goto end;
 540                 }
 541
 542         if (key_file == NULL)
 543                 key_file = cert_file;
 544
 545
 546         if (key_file)
 547
 548                 {
 549
 550                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 551                                "client certificate private key file");
 552                 if (!key)
 553                         {
 554                         ERR_print_errors(bio_err);
 555                         goto end;
 556                         }
 557
 558                 }
 559
 560         if (cert_file)
 561
 562                 {
 563                 cert = load_cert(bio_err,cert_file,cert_format,
 564                                 NULL, e, "client certificate file");
 565
 566                 if (!cert)
 567                         {
 568                         ERR_print_errors(bio_err);
 569                         goto end;
 570                         }
 571                 }
 572
 573         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 574                 && !RAND_status())
 575                 {
 576                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 577                 }
 578         if (inrand != NULL)
 579                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 580                         app_RAND_load_files(inrand));
 581
 582         if (bio_c_out == NULL)
 583                 {
 584                 if (c_quiet && !c_debug && !c_msg)
 585                         {
 586                         bio_c_out=BIO_new(BIO_s_null());
 587                         }
 588                 else
 589                         {
 590                         if (bio_c_out == NULL)
 591                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 592                         }
 593                 }
 594
 595         ctx=SSL_CTX_new(meth);
 596         if (ctx == NULL)
 597                 {
 598                 ERR_print_errors(bio_err);
 599                 goto end;
 600                 }
 601
 602         if (bugs)
 603                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 604         else
 605                 SSL_CTX_set_options(ctx,off);
 606         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 607          * Setting read ahead solves this problem.
 608          */
 609         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 610
 611         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 612         if (cipher != NULL)
 613                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 614                 BIO_printf(bio_err,"error setting cipher list\n");
 615                 ERR_print_errors(bio_err);
 616                 goto end;
 617         }
 618 #if 0
 619         else
 620                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 621 #endif
 622
 623         SSL_CTX_set_verify(ctx,verify,verify_callback);
 624         if (!set_cert_key_stuff(ctx,cert,key))
 625                 goto end;
 626
 627         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 628                 (!SSL_CTX_set_default_verify_paths(ctx)))
 629                 {
 630                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 631                 ERR_print_errors(bio_err);
 632                 /* goto end; */
 633                 }
 634
 635         store = SSL_CTX_get_cert_store(ctx);
 636         X509_STORE_set_flags(store, vflags);
 637 #ifndef OPENSSL_NO_TLSEXT
 638         if (servername != NULL)
 639                 {
 640                 tlsextcbp.biodebug = bio_err;
 641                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 642                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 643                 }
 644 #endif
 645
 646         con=SSL_new(ctx);
 647 #ifndef OPENSSL_NO_TLSEXT
 648         if (servername != NULL)
 649                 {
 650                 if (!SSL_set_tlsext_host_name(con,servername))
 651                         {
 652                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
 653                         ERR_print_errors(bio_err);
 654                         goto end;
 655                         }
 656                 }
 657 #endif
 658 #ifndef OPENSSL_NO_KRB5
 659         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 660                 {
 661                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 662                 }
 663 #endif  /* OPENSSL_NO_KRB5  */
 664 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 665
 666 re_start:
 667
 668         if (init_client(&s,host,port,socket_type) == 0)
 669                 {
 670                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 671                 SHUTDOWN(s);
 672                 goto end;
 673                 }
 674         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 675
 676 #ifdef FIONBIO
 677         if (c_nbio)
 678                 {
 679                 unsigned long l=1;
 680                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 681                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 682                         {
 683                         ERR_print_errors(bio_err);
 684                         goto end;
 685                         }
 686                 }
 687 #endif
 688         if (c_Pause & 0x01) con->debug=1;
 689
 690         if ( SSL_version(con) == DTLS1_VERSION)
 691                 {
 692                 struct timeval timeout;
 693
 694                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 695                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 696                         {
 697                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 698                                 get_last_socket_error());
 699                         SHUTDOWN(s);
 700                         goto end;
 701                         }
 702
 703                 BIO_ctrl_set_connected(sbio, 1, &peer);
 704
 705                 if (enable_timeouts)
 706                         {
 707                         timeout.tv_sec = 0;
 708                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 709                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
 710
 711                         timeout.tv_sec = 0;
 712                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
 713                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
 714                         }
 715
 716                 if (socket_mtu > 0)
 717                         {
 718                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
 719                         SSL_set_mtu(con, socket_mtu);
 720                         }
 721                 else
 722                         /* want to do MTU discovery */
 723                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
 724                 }
 725         else
 726                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
 727
 728
 729
 730         if (nbio_test)
 731                 {
 732                 BIO *test;
 733
 734                 test=BIO_new(BIO_f_nbio_test());
 735                 sbio=BIO_push(test,sbio);
 736                 }
 737
 738         if (c_debug)
 739                 {
 740                 con->debug=1;
 741                 BIO_set_callback(sbio,bio_dump_callback);
 742                 BIO_set_callback_arg(sbio,bio_c_out);
 743                 }
 744         if (c_msg)
 745                 {
 746                 SSL_set_msg_callback(con, msg_cb);
 747                 SSL_set_msg_callback_arg(con, bio_c_out);
 748                 }
 749
 750         SSL_set_bio(con,sbio,sbio);
 751         SSL_set_connect_state(con);
 752
 753         /* ok, lets connect */
 754         width=SSL_get_fd(con)+1;
 755
 756         read_tty=1;
 757         write_tty=0;
 758         tty_on=0;
 759         read_ssl=1;
 760         write_ssl=1;
 761
 762         cbuf_len=0;
 763         cbuf_off=0;
 764         sbuf_len=0;
 765         sbuf_off=0;
 766
 767         /* This is an ugly hack that does a lot of assumptions */
 768         if (starttls_proto == 1)
 769                 {
 770                 BIO_read(sbio,mbuf,BUFSIZZ);
 771                 BIO_printf(sbio,"STARTTLS\r\n");
 772                 BIO_read(sbio,sbuf,BUFSIZZ);
 773                 }
 774         if (starttls_proto == 2)
 775                 {
 776                 BIO_read(sbio,mbuf,BUFSIZZ);
 777                 BIO_printf(sbio,"STLS\r\n");
 778                 BIO_read(sbio,sbuf,BUFSIZZ);
 779                 }
 780
 781         for (;;)
 782                 {
 783                 FD_ZERO(&readfds);
 784                 FD_ZERO(&writefds);
 785
 786                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
 787                         {
 788                         in_init=1;
 789                         tty_on=0;
 790                         }
 791                 else
 792                         {
 793                         tty_on=1;
 794                         if (in_init)
 795                                 {
 796                                 in_init=0;
 797 #ifndef OPENSSL_NO_TLSEXT
 798         if (servername != NULL && !SSL_session_reused(con))
 799                 {
 800                 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
 801                 }
 802 #endif
 803                                 print_stuff(bio_c_out,con,full_log);
 804                                 if (full_log > 0) full_log--;
 805
 806                                 if (starttls_proto)
 807                                         {
 808                                         BIO_printf(bio_err,"%s",mbuf);
 809                                         /* We don't need to know any more */
 810                                         starttls_proto = 0;
 811                                         }
 812
 813                                 if (reconnect)
 814                                         {
 815                                         reconnect--;
 816                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
 817                                         SSL_shutdown(con);
 818                                         SSL_set_connect_state(con);
 819                                         SHUTDOWN(SSL_get_fd(con));
 820                                         goto re_start;
 821                                         }
 822                                 }
 823                         }
 824
 825                 ssl_pending = read_ssl && SSL_pending(con);
 826
 827                 if (!ssl_pending)
 828                         {
 829 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
 830                         if (tty_on)
 831                                 {
 832                                 if (read_tty)  FD_SET(fileno(stdin),&readfds);
 833                                 if (write_tty) FD_SET(fileno(stdout),&writefds);
 834                                 }
 835                         if (read_ssl)
 836                                 FD_SET(SSL_get_fd(con),&readfds);
 837                         if (write_ssl)
 838                                 FD_SET(SSL_get_fd(con),&writefds);
 839 #else
 840                         if(!tty_on || !write_tty) {
 841                                 if (read_ssl)
 842                                         FD_SET(SSL_get_fd(con),&readfds);
 843                                 if (write_ssl)
 844                                         FD_SET(SSL_get_fd(con),&writefds);
 845                         }
 846 #endif
 847 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
 848                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
 849
 850                         /* Note: under VMS with SOCKETSHR the second parameter
 851                          * is currently of type (int *) whereas under other
 852                          * systems it is (void *) if you don't have a cast it
 853                          * will choke the compiler: if you do have a cast then
 854                          * you can either go for (int *) or (void *).
 855                          */
 856 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
 857                         /* Under Windows/DOS we make the assumption that we can
 858                          * always write to the tty: therefore if we need to
 859                          * write to the tty we just fall through. Otherwise
 860                          * we timeout the select every second and see if there
 861                          * are any keypresses. Note: this is a hack, in a proper
 862                          * Windows application we wouldn't do this.
 863                          */
 864                         i=0;
 865                         if(!write_tty) {
 866                                 if(read_tty) {
 867                                         tv.tv_sec = 1;
 868                                         tv.tv_usec = 0;
 869                                         i=select(width,(void *)&readfds,(void *)&writefds,
 870                                                  NULL,&tv);
 871 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
 872                                         if(!i && (!_kbhit() || !read_tty) ) continue;
 873 #else
 874                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
 875 #endif
 876                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 877                                          NULL,NULL);
 878                         }
 879 #elif defined(OPENSSL_SYS_NETWARE)
 880                         if(!write_tty) {
 881                                 if(read_tty) {
 882                                         tv.tv_sec = 1;
 883                                         tv.tv_usec = 0;
 884                                         i=select(width,(void *)&readfds,(void *)&writefds,
 885                                                 NULL,&tv);
 886                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
 887                                         NULL,NULL);
 888                         }
 889 #else
 890                         i=select(width,(void *)&readfds,(void *)&writefds,
 891                                  NULL,NULL);
 892 #endif
 893                         if ( i < 0)
 894                                 {
 895                                 BIO_printf(bio_err,"bad select %d\n",
 896                                 get_last_socket_error());
 897                                 goto shut;
 898                                 /* goto end; */
 899                                 }
 900                         }
 901
 902                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
 903                         {
 904                         k=SSL_write(con,&(cbuf[cbuf_off]),
 905                                 (unsigned int)cbuf_len);
 906                         switch (SSL_get_error(con,k))
 907                                 {
 908                         case SSL_ERROR_NONE:
 909                                 cbuf_off+=k;
 910                                 cbuf_len-=k;
 911                                 if (k <= 0) goto end;
 912                                 /* we have done a  write(con,NULL,0); */
 913                                 if (cbuf_len <= 0)
 914                                         {
 915                                         read_tty=1;
 916                                         write_ssl=0;
 917                                         }
 918                                 else /* if (cbuf_len > 0) */
 919                                         {
 920                                         read_tty=0;
 921                                         write_ssl=1;
 922                                         }
 923                                 break;
 924                         case SSL_ERROR_WANT_WRITE:
 925                                 BIO_printf(bio_c_out,"write W BLOCK\n");
 926                                 write_ssl=1;
 927                                 read_tty=0;
 928                                 break;
 929                         case SSL_ERROR_WANT_READ:
 930                                 BIO_printf(bio_c_out,"write R BLOCK\n");
 931                                 write_tty=0;
 932                                 read_ssl=1;
 933                                 write_ssl=0;
 934                                 break;
 935                         case SSL_ERROR_WANT_X509_LOOKUP:
 936                                 BIO_printf(bio_c_out,"write X BLOCK\n");
 937                                 break;
 938                         case SSL_ERROR_ZERO_RETURN:
 939                                 if (cbuf_len != 0)
 940                                         {
 941                                         BIO_printf(bio_c_out,"shutdown\n");
 942                                         goto shut;
 943                                         }
 944                                 else
 945                                         {
 946                                         read_tty=1;
 947                                         write_ssl=0;
 948                                         break;
 949                                         }
 950
 951                         case SSL_ERROR_SYSCALL:
 952                                 if ((k != 0) || (cbuf_len != 0))
 953                                         {
 954                                         BIO_printf(bio_err,"write:errno=%d\n",
 955                                                 get_last_socket_error());
 956                                         goto shut;
 957                                         }
 958                                 else
 959                                         {
 960                                         read_tty=1;
 961                                         write_ssl=0;
 962                                         }
 963                                 break;
 964                         case SSL_ERROR_SSL:
 965                                 ERR_print_errors(bio_err);
 966                                 goto shut;
 967                                 }
 968                         }
 969 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 970                 /* Assume Windows/DOS can always write */
 971                 else if (!ssl_pending && write_tty)
 972 #else
 973                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
 974 #endif
 975                         {
 976 #ifdef CHARSET_EBCDIC
 977                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
 978 #endif
 979                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
 980
 981                         if (i <= 0)
 982                                 {
 983                                 BIO_printf(bio_c_out,"DONE\n");
 984                                 goto shut;
 985                                 /* goto end; */
 986                                 }
 987
 988                         sbuf_len-=i;;
 989                         sbuf_off+=i;
 990                         if (sbuf_len <= 0)
 991                                 {
 992                                 read_ssl=1;
 993                                 write_tty=0;
 994                                 }
 995                         }
 996                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
 997                         {
 998 #ifdef RENEG
 999 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1000 #endif
1001 #if 1
1002                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1003 #else
1004 /* Demo for pending and peek :-) */
1005                         k=SSL_read(con,sbuf,16);
1006 { char zbuf[10240];
1007 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1008 }
1009 #endif
1010
1011                         switch (SSL_get_error(con,k))
1012                                 {
1013                         case SSL_ERROR_NONE:
1014                                 if (k <= 0)
1015                                         goto end;
1016                                 sbuf_off=0;
1017                                 sbuf_len=k;
1018
1019                                 read_ssl=0;
1020                                 write_tty=1;
1021                                 break;
1022                         case SSL_ERROR_WANT_WRITE:
1023                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1024                                 write_ssl=1;
1025                                 read_tty=0;
1026                                 break;
1027                         case SSL_ERROR_WANT_READ:
1028                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1029                                 write_tty=0;
1030                                 read_ssl=1;
1031                                 if ((read_tty == 0) && (write_ssl == 0))
1032                                         write_ssl=1;
1033                                 break;
1034                         case SSL_ERROR_WANT_X509_LOOKUP:
1035                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1036                                 break;
1037                         case SSL_ERROR_SYSCALL:
1038                                 BIO_printf(bio_err,"read:errno=%d\n",get_last_socket_error());
1039                                 goto shut;
1040                         case SSL_ERROR_ZERO_RETURN:
1041                                 BIO_printf(bio_c_out,"closed\n");
1042                                 goto shut;
1043                         case SSL_ERROR_SSL:
1044                                 ERR_print_errors(bio_err);
1045                                 goto shut;
1046                                 /* break; */
1047                                 }
1048                         }
1049
1050 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1051 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1052                 else if (_kbhit())
1053 #else
1054                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1055 #endif
1056 #elif defined (OPENSSL_SYS_NETWARE)
1057                 else if (_kbhit())
1058 #else
1059                 else if (FD_ISSET(fileno(stdin),&readfds))
1060 #endif
1061                         {
1062                         if (crlf)
1063                                 {
1064                                 int j, lf_num;
1065
1066                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1067                                 lf_num = 0;
1068                                 /* both loops are skipped when i <= 0 */
1069                                 for (j = 0; j < i; j++)
1070                                         if (cbuf[j] == '\n')
1071                                                 lf_num++;
1072                                 for (j = i-1; j >= 0; j--)
1073                                         {
1074                                         cbuf[j+lf_num] = cbuf[j];
1075                                         if (cbuf[j] == '\n')
1076                                                 {
1077                                                 lf_num--;
1078                                                 i++;
1079                                                 cbuf[j+lf_num] = '\r';
1080                                                 }
1081                                         }
1082                                 assert(lf_num == 0);
1083                                 }
1084                         else
1085                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1086
1087                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1088                                 {
1089                                 BIO_printf(bio_err,"DONE\n");
1090                                 goto shut;
1091                                 }
1092
1093                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1094                                 {
1095                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1096                                 SSL_renegotiate(con);
1097                                 cbuf_len=0;
1098                                 }
1099                         else
1100                                 {
1101                                 cbuf_len=i;
1102                                 cbuf_off=0;
1103 #ifdef CHARSET_EBCDIC
1104                                 ebcdic2ascii(cbuf, cbuf, i);
1105 #endif
1106                                 }
1107
1108                         write_ssl=1;
1109                         read_tty=0;
1110                         }
1111                 }
1112 shut:
1113         SSL_shutdown(con);
1114         SHUTDOWN(SSL_get_fd(con));
1115         ret=0;
1116 end:
1117         if(prexit) print_stuff(bio_c_out,con,1);
1118         if (con != NULL) SSL_free(con);
1119         if (con2 != NULL) SSL_free(con2);
1120         if (ctx != NULL) SSL_CTX_free(ctx);
1121         if (cert)
1122                 X509_free(cert);
1123         if (key)
1124                 EVP_PKEY_free(key);
1125         if (pass)
1126                 OPENSSL_free(pass);
1127         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1128         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1129         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1130         if (bio_c_out != NULL)
1131                 {
1132                 BIO_free(bio_c_out);
1133                 bio_c_out=NULL;
1134                 }
1135         apps_shutdown();
1136         OPENSSL_EXIT(ret);
1137         }
1138
1139
1140 static void print_stuff(BIO *bio, SSL *s, int full)
1141         {
1142         X509 *peer=NULL;
1143         char *p;
1144         static const char *space="                ";
1145         char buf[BUFSIZ];
1146         STACK_OF(X509) *sk;
1147         STACK_OF(X509_NAME) *sk2;
1148         SSL_CIPHER *c;
1149         X509_NAME *xn;
1150         int j,i;
1151 #ifndef OPENSSL_NO_COMP
1152         const COMP_METHOD *comp, *expansion;
1153 #endif
1154
1155         if (full)
1156                 {
1157                 int got_a_chain = 0;
1158
1159                 sk=SSL_get_peer_cert_chain(s);
1160                 if (sk != NULL)
1161                         {
1162                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1163
1164                         BIO_printf(bio,"---\nCertificate chain\n");
1165                         for (i=0; i<sk_X509_num(sk); i++)
1166                                 {
1167                                 X509_NAME_oneline(X509_get_subject_name(
1168                                         sk_X509_value(sk,i)),buf,sizeof buf);
1169                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1170                                 X509_NAME_oneline(X509_get_issuer_name(
1171                                         sk_X509_value(sk,i)),buf,sizeof buf);
1172                                 BIO_printf(bio,"   i:%s\n",buf);
1173                                 if (c_showcerts)
1174                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1175                                 }
1176                         }
1177
1178                 BIO_printf(bio,"---\n");
1179                 peer=SSL_get_peer_certificate(s);
1180                 if (peer != NULL)
1181                         {
1182                         BIO_printf(bio,"Server certificate\n");
1183                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1184                                 PEM_write_bio_X509(bio,peer);
1185                         X509_NAME_oneline(X509_get_subject_name(peer),
1186                                 buf,sizeof buf);
1187                         BIO_printf(bio,"subject=%s\n",buf);
1188                         X509_NAME_oneline(X509_get_issuer_name(peer),
1189                                 buf,sizeof buf);
1190                         BIO_printf(bio,"issuer=%s\n",buf);
1191                         }
1192                 else
1193                         BIO_printf(bio,"no peer certificate available\n");
1194
1195                 sk2=SSL_get_client_CA_list(s);
1196                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1197                         {
1198                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1199                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1200                                 {
1201                                 xn=sk_X509_NAME_value(sk2,i);
1202                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1203                                 BIO_write(bio,buf,strlen(buf));
1204                                 BIO_write(bio,"\n",1);
1205                                 }
1206                         }
1207                 else
1208                         {
1209                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1210                         }
1211                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1212                 if (p != NULL)
1213                         {
1214                         /* This works only for SSL 2.  In later protocol
1215                          * versions, the client does not know what other
1216                          * ciphers (in addition to the one to be used
1217                          * in the current connection) the server supports. */
1218
1219                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1220                         j=i=0;
1221                         while (*p)
1222                                 {
1223                                 if (*p == ':')
1224                                         {
1225                                         BIO_write(bio,space,15-j%25);
1226                                         i++;
1227                                         j=0;
1228                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1229                                         }
1230                                 else
1231                                         {
1232                                         BIO_write(bio,p,1);
1233                                         j++;
1234                                         }
1235                                 p++;
1236                                 }
1237                         BIO_write(bio,"\n",1);
1238                         }
1239
1240                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1241                         BIO_number_read(SSL_get_rbio(s)),
1242                         BIO_number_written(SSL_get_wbio(s)));
1243                 }
1244         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1245         c=SSL_get_current_cipher(s);
1246         BIO_printf(bio,"%s, Cipher is %s\n",
1247                 SSL_CIPHER_get_version(c),
1248                 SSL_CIPHER_get_name(c));
1249         if (peer != NULL) {
1250                 EVP_PKEY *pktmp;
1251                 pktmp = X509_get_pubkey(peer);
1252                 BIO_printf(bio,"Server public key is %d bit\n",
1253                                                          EVP_PKEY_bits(pktmp));
1254                 EVP_PKEY_free(pktmp);
1255         }
1256 #ifndef OPENSSL_NO_COMP
1257         comp=SSL_get_current_compression(s);
1258         expansion=SSL_get_current_expansion(s);
1259         BIO_printf(bio,"Compression: %s\n",
1260                 comp ? SSL_COMP_get_name(comp) : "NONE");
1261         BIO_printf(bio,"Expansion: %s\n",
1262                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1263 #endif
1264         SSL_SESSION_print(bio,SSL_get_session(s));
1265         BIO_printf(bio,"---\n");
1266         if (peer != NULL)
1267                 X509_free(peer);
1268         /* flush, or debugging output gets mixed with http response */
1269         BIO_flush(bio);
1270         }
1271