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  * Copyright 2005 Nokia. All rights reserved.
 113  *
 114  * The portions of the attached software ("Contribution") is developed by
 115  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 116  * license.
 117  *
 118  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 119  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 120  * support (see RFC 4279) to OpenSSL.
 121  *
 122  * No patent licenses or other rights except those expressly stated in
 123  * the OpenSSL open source license shall be deemed granted or received
 124  * expressly, by implication, estoppel, or otherwise.
 125  *
 126  * No assurances are provided by Nokia that the Contribution does not
 127  * infringe the patent or other intellectual property rights of any third
 128  * party or that the license provides you with all the necessary rights
 129  * to make use of the Contribution.
 130  *
 131  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 132  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 133  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 134  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 135  * OTHERWISE.
 136  */
 137
 138 #include <assert.h>
 139 #include <ctype.h>
 140 #include <stdio.h>
 141 #include <stdlib.h>
 142 #include <string.h>
 143 #include <openssl/e_os2.h>
 144 #ifdef OPENSSL_NO_STDIO
 145 #define APPS_WIN16
 146 #endif
 147
 148 /* With IPv6, it looks like Digital has mixed up the proper order of
 149    recursive header file inclusion, resulting in the compiler complaining
 150    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 151    is needed to have fileno() declared correctly...  So let's define u_int */
 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 153 #define __U_INT
 154 typedef unsigned int u_int;
 155 #endif
 156
 157 #define USE_SOCKETS
 158 #include "apps.h"
 159 #include <openssl/x509.h>
 160 #include <openssl/ssl.h>
 161 #include <openssl/err.h>
 162 #include <openssl/pem.h>
 163 #include <openssl/rand.h>
 164 #include <openssl/ocsp.h>
 165 #include <openssl/bn.h>
 166 #include "s_apps.h"
 167 #include "timeouts.h"
 168
 169 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 170 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 171 #undef FIONBIO
 172 #endif
 173
 174 #if defined(OPENSSL_SYS_BEOS_R5)
 175 #include <fcntl.h>
 176 #endif
 177
 178 #undef PROG
 179 #define PROG    s_client_main
 180
 181 /*#define SSL_HOST_NAME "www.netscape.com" */
 182 /*#define SSL_HOST_NAME "193.118.187.102" */
 183 #define SSL_HOST_NAME   "localhost"
 184
 185 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 186
 187 #undef BUFSIZZ
 188 #define BUFSIZZ 1024*8
 189
 190 extern int verify_depth;
 191 extern int verify_error;
 192 extern int verify_return_error;
 193
 194 #ifdef FIONBIO
 195 static int c_nbio=0;
 196 #endif
 197 static int c_Pause=0;
 198 static int c_debug=0;
 199 #ifndef OPENSSL_NO_TLSEXT
 200 static int c_tlsextdebug=0;
 201 static int c_status_req=0;
 202 #endif
 203 static int c_msg=0;
 204 static int c_showcerts=0;
 205
 206 static void sc_usage(void);
 207 static void print_stuff(BIO *berr,SSL *con,int full);
 208 #ifndef OPENSSL_NO_TLSEXT
 209 static int ocsp_resp_cb(SSL *s, void *arg);
 210 #endif
 211 static BIO *bio_c_out=NULL;
 212 static int c_quiet=0;
 213 static int c_ign_eof=0;
 214
 215 #ifndef OPENSSL_NO_PSK
 216 /* Default PSK identity and key */
 217 static char *psk_identity="Client_identity";
 218 /*char *psk_key=NULL;  by default PSK is not used */
 219
 220 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 221         unsigned int max_identity_len, unsigned char *psk,
 222         unsigned int max_psk_len)
 223         {
 224         unsigned int psk_len = 0;
 225         int ret;
 226         BIGNUM *bn=NULL;
 227
 228         if (c_debug)
 229                 BIO_printf(bio_c_out, "psk_client_cb\n");
 230         if (!hint)
 231                 {
 232                 /* no ServerKeyExchange message*/
 233                 if (c_debug)
 234                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 235                 }
 236         else if (c_debug)
 237                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 238
 239         /* lookup PSK identity and PSK key based on the given identity hint here */
 240         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 241         if (ret < 0 || (unsigned int)ret > max_identity_len)
 242                 goto out_err;
 243         if (c_debug)
 244                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 245         ret=BN_hex2bn(&bn, psk_key);
 246         if (!ret)
 247                 {
 248                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 249                 if (bn)
 250                         BN_free(bn);
 251                 return 0;
 252                 }
 253
 254         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 255                 {
 256                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 257                         max_psk_len, BN_num_bytes(bn));
 258                 BN_free(bn);
 259                 return 0;
 260                 }
 261
 262         psk_len=BN_bn2bin(bn, psk);
 263         BN_free(bn);
 264         if (psk_len == 0)
 265                 goto out_err;
 266
 267         if (c_debug)
 268                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 269
 270         return psk_len;
 271  out_err:
 272         if (c_debug)
 273                 BIO_printf(bio_err, "Error in PSK client callback\n");
 274         return 0;
 275         }
 276 #endif
 277
 278 static void sc_usage(void)
 279         {
 280         BIO_printf(bio_err,"usage: s_client args\n");
 281         BIO_printf(bio_err,"\n");
 282         BIO_printf(bio_err," -host host     - use -connect instead\n");
 283         BIO_printf(bio_err," -port port     - use -connect instead\n");
 284         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 285
 286         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 287         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 288         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 289         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 290         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 291         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 292         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 293         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 294         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 295         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 296         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 297         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 298         BIO_printf(bio_err," -debug        - extra output\n");
 299 #ifdef WATT32
 300         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 301 #endif
 302         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 303         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 304         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 305 #ifdef FIONBIO
 306         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 307 #endif
 308         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 309         BIO_printf(bio_err," -quiet        - no s_client output\n");
 310         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 311         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 312 #ifndef OPENSSL_NO_PSK
 313         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 314         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 315 # ifndef OPENSSL_NO_JPAKE
 316         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 317 # endif
 318 #endif
 319         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 320         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 321         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 322         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 323         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 324         BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 325         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 326         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 327         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 328         BIO_printf(bio_err,"                 command to see what is available\n");
 329         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 330         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 331         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 332         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 333         BIO_printf(bio_err,"                 are supported.\n");
 334 #ifndef OPENSSL_NO_ENGINE
 335         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 336 #endif
 337         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 338         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 339         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 340 #ifndef OPENSSL_NO_TLSEXT
 341         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 342         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 343         BIO_printf(bio_err," -status           - request certificate status from server\n");
 344         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 345 #endif
 346         }
 347
 348 #ifndef OPENSSL_NO_TLSEXT
 349
 350 /* This is a context that we pass to callbacks */
 351 typedef struct tlsextctx_st {
 352    BIO * biodebug;
 353    int ack;
 354 } tlsextctx;
 355
 356
 357 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 358         {
 359         tlsextctx * p = (tlsextctx *) arg;
 360         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 361         if (SSL_get_servername_type(s) != -1)
 362                 p->ack = !SSL_session_reused(s) && hn != NULL;
 363         else
 364                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 365
 366         return SSL_TLSEXT_ERR_OK;
 367         }
 368 #endif
 369
 370 enum
 371 {
 372         PROTO_OFF       = 0,
 373         PROTO_SMTP,
 374         PROTO_POP3,
 375         PROTO_IMAP,
 376         PROTO_FTP,
 377         PROTO_XMPP
 378 };
 379
 380 int MAIN(int, char **);
 381
 382 int MAIN(int argc, char **argv)
 383         {
 384         int off=0;
 385         SSL *con=NULL;
 386         int s,k,width,state=0;
 387         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 388         int cbuf_len,cbuf_off;
 389         int sbuf_len,sbuf_off;
 390         fd_set readfds,writefds;
 391         short port=PORT;
 392         int full_log=1;
 393         char *host=SSL_HOST_NAME;
 394         char *cert_file=NULL,*key_file=NULL;
 395         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 396         char *passarg = NULL, *pass = NULL;
 397         X509 *cert = NULL;
 398         EVP_PKEY *key = NULL;
 399         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 400         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 401         int crlf=0;
 402         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 403         SSL_CTX *ctx=NULL;
 404         int ret=1,in_init=1,i,nbio_test=0;
 405         int starttls_proto = PROTO_OFF;
 406         int prexit = 0;
 407         X509_VERIFY_PARAM *vpm = NULL;
 408         int badarg = 0;
 409         const SSL_METHOD *meth=NULL;
 410         int socket_type=SOCK_STREAM;
 411         BIO *sbio;
 412         char *inrand=NULL;
 413         int mbuf_len=0;
 414         struct timeval timeout, *timeoutp;
 415 #ifndef OPENSSL_NO_ENGINE
 416         char *engine_id=NULL;
 417         char *ssl_client_engine_id=NULL;
 418         ENGINE *ssl_client_engine=NULL;
 419 #endif
 420         ENGINE *e=NULL;
 421 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 422         struct timeval tv;
 423 #if defined(OPENSSL_SYS_BEOS_R5)
 424         int stdin_set = 0;
 425 #endif
 426 #endif
 427 #ifndef OPENSSL_NO_TLSEXT
 428         char *servername = NULL;
 429         tlsextctx tlsextcbp =
 430         {NULL,0};
 431 #endif
 432         char *sess_in = NULL;
 433         char *sess_out = NULL;
 434         struct sockaddr peer;
 435         int peerlen = sizeof(peer);
 436         int enable_timeouts = 0 ;
 437         long socket_mtu = 0;
 438 #ifndef OPENSSL_NO_JPAKE
 439         char *jpake_secret = NULL;
 440 #endif
 441
 442 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 443         meth=SSLv23_client_method();
 444 #elif !defined(OPENSSL_NO_SSL3)
 445         meth=SSLv3_client_method();
 446 #elif !defined(OPENSSL_NO_SSL2)
 447         meth=SSLv2_client_method();
 448 #endif
 449
 450         apps_startup();
 451         c_Pause=0;
 452         c_quiet=0;
 453         c_ign_eof=0;
 454         c_debug=0;
 455         c_msg=0;
 456         c_showcerts=0;
 457
 458         if (bio_err == NULL)
 459                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 460
 461         if (!load_config(bio_err, NULL))
 462                 goto end;
 463
 464         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 465                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 466                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 467                 {
 468                 BIO_printf(bio_err,"out of memory\n");
 469                 goto end;
 470                 }
 471
 472         verify_depth=0;
 473         verify_error=X509_V_OK;
 474 #ifdef FIONBIO
 475         c_nbio=0;
 476 #endif
 477
 478         argc--;
 479         argv++;
 480         while (argc >= 1)
 481                 {
 482                 if      (strcmp(*argv,"-host") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         host= *(++argv);
 486                         }
 487                 else if (strcmp(*argv,"-port") == 0)
 488                         {
 489                         if (--argc < 1) goto bad;
 490                         port=atoi(*(++argv));
 491                         if (port == 0) goto bad;
 492                         }
 493                 else if (strcmp(*argv,"-connect") == 0)
 494                         {
 495                         if (--argc < 1) goto bad;
 496                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 497                                 goto bad;
 498                         }
 499                 else if (strcmp(*argv,"-verify") == 0)
 500                         {
 501                         verify=SSL_VERIFY_PEER;
 502                         if (--argc < 1) goto bad;
 503                         verify_depth=atoi(*(++argv));
 504                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 505                         }
 506                 else if (strcmp(*argv,"-cert") == 0)
 507                         {
 508                         if (--argc < 1) goto bad;
 509                         cert_file= *(++argv);
 510                         }
 511                 else if (strcmp(*argv,"-sess_out") == 0)
 512                         {
 513                         if (--argc < 1) goto bad;
 514                         sess_out = *(++argv);
 515                         }
 516                 else if (strcmp(*argv,"-sess_in") == 0)
 517                         {
 518                         if (--argc < 1) goto bad;
 519                         sess_in = *(++argv);
 520                         }
 521                 else if (strcmp(*argv,"-certform") == 0)
 522                         {
 523                         if (--argc < 1) goto bad;
 524                         cert_format = str2fmt(*(++argv));
 525                         }
 526                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 527                         {
 528                         if (badarg)
 529                                 goto bad;
 530                         continue;
 531                         }
 532                 else if (strcmp(*argv,"-verify_return_error") == 0)
 533                         verify_return_error = 1;
 534                 else if (strcmp(*argv,"-prexit") == 0)
 535                         prexit=1;
 536                 else if (strcmp(*argv,"-crlf") == 0)
 537                         crlf=1;
 538                 else if (strcmp(*argv,"-quiet") == 0)
 539                         {
 540                         c_quiet=1;
 541                         c_ign_eof=1;
 542                         }
 543                 else if (strcmp(*argv,"-ign_eof") == 0)
 544                         c_ign_eof=1;
 545                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 546                         c_ign_eof=0;
 547                 else if (strcmp(*argv,"-pause") == 0)
 548                         c_Pause=1;
 549                 else if (strcmp(*argv,"-debug") == 0)
 550                         c_debug=1;
 551 #ifndef OPENSSL_NO_TLSEXT
 552                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 553                         c_tlsextdebug=1;
 554                 else if (strcmp(*argv,"-status") == 0)
 555                         c_status_req=1;
 556 #endif
 557 #ifdef WATT32
 558                 else if (strcmp(*argv,"-wdebug") == 0)
 559                         dbug_init();
 560 #endif
 561                 else if (strcmp(*argv,"-msg") == 0)
 562                         c_msg=1;
 563                 else if (strcmp(*argv,"-showcerts") == 0)
 564                         c_showcerts=1;
 565                 else if (strcmp(*argv,"-nbio_test") == 0)
 566                         nbio_test=1;
 567                 else if (strcmp(*argv,"-state") == 0)
 568                         state=1;
 569 #ifndef OPENSSL_NO_PSK
 570                 else if (strcmp(*argv,"-psk_identity") == 0)
 571                         {
 572                         if (--argc < 1) goto bad;
 573                         psk_identity=*(++argv);
 574                         }
 575                 else if (strcmp(*argv,"-psk") == 0)
 576                         {
 577                         size_t j;
 578
 579                         if (--argc < 1) goto bad;
 580                         psk_key=*(++argv);
 581                         for (j = 0; j < strlen(psk_key); j++)
 582                                 {
 583                                 if (isxdigit((int)psk_key[j]))
 584                                         continue;
 585                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 586                                 goto bad;
 587                                 }
 588                         }
 589 #endif
 590 #ifndef OPENSSL_NO_SSL2
 591                 else if (strcmp(*argv,"-ssl2") == 0)
 592                         meth=SSLv2_client_method();
 593 #endif
 594 #ifndef OPENSSL_NO_SSL3
 595                 else if (strcmp(*argv,"-ssl3") == 0)
 596                         meth=SSLv3_client_method();
 597 #endif
 598 #ifndef OPENSSL_NO_TLS1
 599                 else if (strcmp(*argv,"-tls1") == 0)
 600                         meth=TLSv1_client_method();
 601 #endif
 602 #ifndef OPENSSL_NO_DTLS1
 603                 else if (strcmp(*argv,"-dtls1") == 0)
 604                         {
 605                         meth=DTLSv1_client_method();
 606                         socket_type=SOCK_DGRAM;
 607                         }
 608                 else if (strcmp(*argv,"-timeout") == 0)
 609                         enable_timeouts=1;
 610                 else if (strcmp(*argv,"-mtu") == 0)
 611                         {
 612                         if (--argc < 1) goto bad;
 613                         socket_mtu = atol(*(++argv));
 614                         }
 615 #endif
 616                 else if (strcmp(*argv,"-bugs") == 0)
 617                         bugs=1;
 618                 else if (strcmp(*argv,"-keyform") == 0)
 619                         {
 620                         if (--argc < 1) goto bad;
 621                         key_format = str2fmt(*(++argv));
 622                         }
 623                 else if (strcmp(*argv,"-pass") == 0)
 624                         {
 625                         if (--argc < 1) goto bad;
 626                         passarg = *(++argv);
 627                         }
 628                 else if (strcmp(*argv,"-key") == 0)
 629                         {
 630                         if (--argc < 1) goto bad;
 631                         key_file= *(++argv);
 632                         }
 633                 else if (strcmp(*argv,"-reconnect") == 0)
 634                         {
 635                         reconnect=5;
 636                         }
 637                 else if (strcmp(*argv,"-CApath") == 0)
 638                         {
 639                         if (--argc < 1) goto bad;
 640                         CApath= *(++argv);
 641                         }
 642                 else if (strcmp(*argv,"-CAfile") == 0)
 643                         {
 644                         if (--argc < 1) goto bad;
 645                         CAfile= *(++argv);
 646                         }
 647                 else if (strcmp(*argv,"-no_tls1") == 0)
 648                         off|=SSL_OP_NO_TLSv1;
 649                 else if (strcmp(*argv,"-no_ssl3") == 0)
 650                         off|=SSL_OP_NO_SSLv3;
 651                 else if (strcmp(*argv,"-no_ssl2") == 0)
 652                         off|=SSL_OP_NO_SSLv2;
 653                 else if (strcmp(*argv,"-no_comp") == 0)
 654                         { off|=SSL_OP_NO_COMPRESSION; }
 655 #ifndef OPENSSL_NO_TLSEXT
 656                 else if (strcmp(*argv,"-no_ticket") == 0)
 657                         { off|=SSL_OP_NO_TICKET; }
 658 #endif
 659                 else if (strcmp(*argv,"-serverpref") == 0)
 660                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 661                 else if (strcmp(*argv,"-cipher") == 0)
 662                         {
 663                         if (--argc < 1) goto bad;
 664                         cipher= *(++argv);
 665                         }
 666 #ifdef FIONBIO
 667                 else if (strcmp(*argv,"-nbio") == 0)
 668                         { c_nbio=1; }
 669 #endif
 670                 else if (strcmp(*argv,"-starttls") == 0)
 671                         {
 672                         if (--argc < 1) goto bad;
 673                         ++argv;
 674                         if (strcmp(*argv,"smtp") == 0)
 675                                 starttls_proto = PROTO_SMTP;
 676                         else if (strcmp(*argv,"pop3") == 0)
 677                                 starttls_proto = PROTO_POP3;
 678                         else if (strcmp(*argv,"imap") == 0)
 679                                 starttls_proto = PROTO_IMAP;
 680                         else if (strcmp(*argv,"ftp") == 0)
 681                                 starttls_proto = PROTO_FTP;
 682                         else if (strcmp(*argv, "xmpp") == 0)
 683                                 starttls_proto = PROTO_XMPP;
 684                         else
 685                                 goto bad;
 686                         }
 687 #ifndef OPENSSL_NO_ENGINE
 688                 else if (strcmp(*argv,"-engine") == 0)
 689                         {
 690                         if (--argc < 1) goto bad;
 691                         engine_id = *(++argv);
 692                         }
 693                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
 694                         {
 695                         if (--argc < 1) goto bad;
 696                         ssl_client_engine_id = *(++argv);
 697                         }
 698 #endif
 699                 else if (strcmp(*argv,"-rand") == 0)
 700                         {
 701                         if (--argc < 1) goto bad;
 702                         inrand= *(++argv);
 703                         }
 704 #ifndef OPENSSL_NO_TLSEXT
 705                 else if (strcmp(*argv,"-servername") == 0)
 706                         {
 707                         if (--argc < 1) goto bad;
 708                         servername= *(++argv);
 709                         /* meth=TLSv1_client_method(); */
 710                         }
 711 #endif
 712 #ifndef OPENSSL_NO_JPAKE
 713                 else if (strcmp(*argv,"-jpake") == 0)
 714                         {
 715                         if (--argc < 1) goto bad;
 716                         jpake_secret = *++argv;
 717                         }
 718 #endif
 719                 else
 720                         {
 721                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 722                         badop=1;
 723                         break;
 724                         }
 725                 argc--;
 726                 argv++;
 727                 }
 728         if (badop)
 729                 {
 730 bad:
 731                 sc_usage();
 732                 goto end;
 733                 }
 734
 735 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 736         if (jpake_secret)
 737                 {
 738                 if (psk_key)
 739                         {
 740                         BIO_printf(bio_err,
 741                                    "Can't use JPAKE and PSK together\n");
 742                         goto end;
 743                         }
 744                 psk_identity = "JPAKE";
 745                 }
 746
 747         if (cipher)
 748                 {
 749                 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
 750                 goto end;
 751                 }
 752         cipher = "PSK";
 753 #endif
 754
 755         OpenSSL_add_ssl_algorithms();
 756         SSL_load_error_strings();
 757
 758 #ifndef OPENSSL_NO_ENGINE
 759         e = setup_engine(bio_err, engine_id, 1);
 760         if (ssl_client_engine_id)
 761                 {
 762                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
 763                 if (!ssl_client_engine)
 764                         {
 765                         BIO_printf(bio_err,
 766                                         "Error getting client auth engine\n");
 767                         goto end;
 768                         }
 769                 }
 770
 771 #endif
 772         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 773                 {
 774                 BIO_printf(bio_err, "Error getting password\n");
 775                 goto end;
 776                 }
 777
 778         if (key_file == NULL)
 779                 key_file = cert_file;
 780
 781
 782         if (key_file)
 783
 784                 {
 785
 786                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 787                                "client certificate private key file");
 788                 if (!key)
 789                         {
 790                         ERR_print_errors(bio_err);
 791                         goto end;
 792                         }
 793
 794                 }
 795
 796         if (cert_file)
 797
 798                 {
 799                 cert = load_cert(bio_err,cert_file,cert_format,
 800                                 NULL, e, "client certificate file");
 801
 802                 if (!cert)
 803                         {
 804                         ERR_print_errors(bio_err);
 805                         goto end;
 806                         }
 807                 }
 808
 809         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 810                 && !RAND_status())
 811                 {
 812                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 813                 }
 814         if (inrand != NULL)
 815                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 816                         app_RAND_load_files(inrand));
 817
 818         if (bio_c_out == NULL)
 819                 {
 820                 if (c_quiet && !c_debug && !c_msg)
 821                         {
 822                         bio_c_out=BIO_new(BIO_s_null());
 823                         }
 824                 else
 825                         {
 826                         if (bio_c_out == NULL)
 827                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 828                         }
 829                 }
 830
 831         ctx=SSL_CTX_new(meth);
 832         if (ctx == NULL)
 833                 {
 834                 ERR_print_errors(bio_err);
 835                 goto end;
 836                 }
 837
 838         if (vpm)
 839                 SSL_CTX_set1_param(ctx, vpm);
 840
 841 #ifndef OPENSSL_NO_ENGINE
 842         if (ssl_client_engine)
 843                 {
 844                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
 845                         {
 846                         BIO_puts(bio_err, "Error setting client auth engine\n");
 847                         ERR_print_errors(bio_err);
 848                         ENGINE_free(ssl_client_engine);
 849                         goto end;
 850                         }
 851                 ENGINE_free(ssl_client_engine);
 852                 }
 853 #endif
 854
 855 #ifndef OPENSSL_NO_PSK
 856 #ifdef OPENSSL_NO_JPAKE
 857         if (psk_key != NULL)
 858 #else
 859         if (psk_key != NULL || jpake_secret)
 860 #endif
 861                 {
 862                 if (c_debug)
 863                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
 864                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
 865                 }
 866 #endif
 867         if (bugs)
 868                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 869         else
 870                 SSL_CTX_set_options(ctx,off);
 871         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 872          * Setting read ahead solves this problem.
 873          */
 874         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 875
 876         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 877         if (cipher != NULL)
 878                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 879                 BIO_printf(bio_err,"error setting cipher list\n");
 880                 ERR_print_errors(bio_err);
 881                 goto end;
 882         }
 883 #if 0
 884         else
 885                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 886 #endif
 887
 888         SSL_CTX_set_verify(ctx,verify,verify_callback);
 889         if (!set_cert_key_stuff(ctx,cert,key))
 890                 goto end;
 891
 892         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 893                 (!SSL_CTX_set_default_verify_paths(ctx)))
 894                 {
 895                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 896                 ERR_print_errors(bio_err);
 897                 /* goto end; */
 898                 }
 899
 900 #ifndef OPENSSL_NO_TLSEXT
 901         if (servername != NULL)
 902                 {
 903                 tlsextcbp.biodebug = bio_err;
 904                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 905                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 906                 }
 907 #endif
 908
 909         con=SSL_new(ctx);
 910         if (sess_in)
 911                 {
 912                 SSL_SESSION *sess;
 913                 BIO *stmp = BIO_new_file(sess_in, "r");
 914                 if (!stmp)
 915                         {
 916                         BIO_printf(bio_err, "Can't open session file %s\n",
 917                                                 sess_in);
 918                         ERR_print_errors(bio_err);
 919                         goto end;
 920                         }
 921                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
 922                 BIO_free(stmp);
 923                 if (!sess)
 924                         {
 925                         BIO_printf(bio_err, "Can't open session file %s\n",
 926                                                 sess_in);
 927                         ERR_print_errors(bio_err);
 928                         goto end;
 929                         }
 930                 SSL_set_session(con, sess);
 931                 SSL_SESSION_free(sess);
 932                 }
 933 #ifndef OPENSSL_NO_TLSEXT
 934         if (servername != NULL)
 935                 {
 936                 if (!SSL_set_tlsext_host_name(con,servername))
 937                         {
 938                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
 939                         ERR_print_errors(bio_err);
 940                         goto end;
 941                         }
 942                 }
 943 #endif
 944 #ifndef OPENSSL_NO_KRB5
 945         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 946                 {
 947                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 948                 }
 949 #endif  /* OPENSSL_NO_KRB5  */
 950 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 951 #if 0
 952 #ifdef TLSEXT_TYPE_opaque_prf_input
 953         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
 954 #endif
 955 #endif
 956
 957 re_start:
 958
 959         if (init_client(&s,host,port,socket_type) == 0)
 960                 {
 961                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 962                 SHUTDOWN(s);
 963                 goto end;
 964                 }
 965         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 966
 967 #ifdef FIONBIO
 968         if (c_nbio)
 969                 {
 970                 unsigned long l=1;
 971                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 972                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 973                         {
 974                         ERR_print_errors(bio_err);
 975                         goto end;
 976                         }
 977                 }
 978 #endif
 979         if (c_Pause & 0x01) con->debug=1;
 980
 981         if ( SSL_version(con) == DTLS1_VERSION)
 982                 {
 983
 984                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 985                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 986                         {
 987                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 988                                 get_last_socket_error());
 989                         SHUTDOWN(s);
 990                         goto end;
 991                         }
 992
 993                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
 994
 995                 if (enable_timeouts)
 996                         {
 997                         timeout.tv_sec = 0;
 998                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 999                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1000
1001                         timeout.tv_sec = 0;
1002                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1003                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1004                         }
1005
1006                 if (socket_mtu > 28)
1007                         {
1008                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1009                         SSL_set_mtu(con, socket_mtu - 28);
1010                         }
1011                 else
1012                         /* want to do MTU discovery */
1013                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1014                 }
1015         else
1016                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1017
1018         if (nbio_test)
1019                 {
1020                 BIO *test;
1021
1022                 test=BIO_new(BIO_f_nbio_test());
1023                 sbio=BIO_push(test,sbio);
1024                 }
1025
1026         if (c_debug)
1027                 {
1028                 con->debug=1;
1029                 BIO_set_callback(sbio,bio_dump_callback);
1030                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1031                 }
1032         if (c_msg)
1033                 {
1034                 SSL_set_msg_callback(con, msg_cb);
1035                 SSL_set_msg_callback_arg(con, bio_c_out);
1036                 }
1037 #ifndef OPENSSL_NO_TLSEXT
1038         if (c_tlsextdebug)
1039                 {
1040                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1041                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1042                 }
1043         if (c_status_req)
1044                 {
1045                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1046                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1047                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1048 #if 0
1049 {
1050 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1051 OCSP_RESPID *id = OCSP_RESPID_new();
1052 id->value.byKey = ASN1_OCTET_STRING_new();
1053 id->type = V_OCSP_RESPID_KEY;
1054 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1055 sk_OCSP_RESPID_push(ids, id);
1056 SSL_set_tlsext_status_ids(con, ids);
1057 }
1058 #endif
1059                 }
1060 #endif
1061 #ifndef OPENSSL_NO_JPAKE
1062         if (jpake_secret)
1063                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1064 #endif
1065
1066         SSL_set_bio(con,sbio,sbio);
1067         SSL_set_connect_state(con);
1068
1069         /* ok, lets connect */
1070         width=SSL_get_fd(con)+1;
1071
1072         read_tty=1;
1073         write_tty=0;
1074         tty_on=0;
1075         read_ssl=1;
1076         write_ssl=1;
1077
1078         cbuf_len=0;
1079         cbuf_off=0;
1080         sbuf_len=0;
1081         sbuf_off=0;
1082
1083         /* This is an ugly hack that does a lot of assumptions */
1084         /* We do have to handle multi-line responses which may come
1085            in a single packet or not. We therefore have to use
1086            BIO_gets() which does need a buffering BIO. So during
1087            the initial chitchat we do push a buffering BIO into the
1088            chain that is removed again later on to not disturb the
1089            rest of the s_client operation. */
1090         if (starttls_proto == PROTO_SMTP)
1091                 {
1092                 int foundit=0;
1093                 BIO *fbio = BIO_new(BIO_f_buffer());
1094                 BIO_push(fbio, sbio);
1095                 /* wait for multi-line response to end from SMTP */
1096                 do
1097                         {
1098                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1099                         }
1100                 while (mbuf_len>3 && mbuf[3]=='-');
1101                 /* STARTTLS command requires EHLO... */
1102                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1103                 (void)BIO_flush(fbio);
1104                 /* wait for multi-line response to end EHLO SMTP response */
1105                 do
1106                         {
1107                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1108                         if (strstr(mbuf,"STARTTLS"))
1109                                 foundit=1;
1110                         }
1111                 while (mbuf_len>3 && mbuf[3]=='-');
1112                 (void)BIO_flush(fbio);
1113                 BIO_pop(fbio);
1114                 BIO_free(fbio);
1115                 if (!foundit)
1116                         BIO_printf(bio_err,
1117                                    "didn't found starttls in server response,"
1118                                    " try anyway...\n");
1119                 BIO_printf(sbio,"STARTTLS\r\n");
1120                 BIO_read(sbio,sbuf,BUFSIZZ);
1121                 }
1122         else if (starttls_proto == PROTO_POP3)
1123                 {
1124                 BIO_read(sbio,mbuf,BUFSIZZ);
1125                 BIO_printf(sbio,"STLS\r\n");
1126                 BIO_read(sbio,sbuf,BUFSIZZ);
1127                 }
1128         else if (starttls_proto == PROTO_IMAP)
1129                 {
1130                 int foundit=0;
1131                 BIO *fbio = BIO_new(BIO_f_buffer());
1132                 BIO_push(fbio, sbio);
1133                 BIO_gets(fbio,mbuf,BUFSIZZ);
1134                 /* STARTTLS command requires CAPABILITY... */
1135                 BIO_printf(fbio,". CAPABILITY\r\n");
1136                 (void)BIO_flush(fbio);
1137                 /* wait for multi-line CAPABILITY response */
1138                 do
1139                         {
1140                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1141                         if (strstr(mbuf,"STARTTLS"))
1142                                 foundit=1;
1143                         }
1144                 while (mbuf_len>3 && mbuf[0]!='.');
1145                 (void)BIO_flush(fbio);
1146                 BIO_pop(fbio);
1147                 BIO_free(fbio);
1148                 if (!foundit)
1149                         BIO_printf(bio_err,
1150                                    "didn't found STARTTLS in server response,"
1151                                    " try anyway...\n");
1152                 BIO_printf(sbio,". STARTTLS\r\n");
1153                 BIO_read(sbio,sbuf,BUFSIZZ);
1154                 }
1155         else if (starttls_proto == PROTO_FTP)
1156                 {
1157                 BIO *fbio = BIO_new(BIO_f_buffer());
1158                 BIO_push(fbio, sbio);
1159                 /* wait for multi-line response to end from FTP */
1160                 do
1161                         {
1162                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1163                         }
1164                 while (mbuf_len>3 && mbuf[3]=='-');
1165                 (void)BIO_flush(fbio);
1166                 BIO_pop(fbio);
1167                 BIO_free(fbio);
1168                 BIO_printf(sbio,"AUTH TLS\r\n");
1169                 BIO_read(sbio,sbuf,BUFSIZZ);
1170                 }
1171         if (starttls_proto == PROTO_XMPP)
1172                 {
1173                 int seen = 0;
1174                 BIO_printf(sbio,"<stream:stream "
1175                     "xmlns:stream='http://etherx.jabber.org/streams' "
1176                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1177                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1178                 mbuf[seen] = 0;
1179                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1180                         {
1181                         if (strstr(mbuf, "/stream:features>"))
1182                                 goto shut;
1183                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1184                         mbuf[seen] = 0;
1185                         }
1186                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1187                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1188                 sbuf[seen] = 0;
1189                 if (!strstr(sbuf, "<proceed"))
1190                         goto shut;
1191                 mbuf[0] = 0;
1192                 }
1193
1194         for (;;)
1195                 {
1196                 FD_ZERO(&readfds);
1197                 FD_ZERO(&writefds);
1198
1199                 if ((SSL_version(con) == DTLS1_VERSION) &&
1200                         DTLSv1_get_timeout(con, &timeout))
1201                         timeoutp = &timeout;
1202                 else
1203                         timeoutp = NULL;
1204
1205                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1206                         {
1207                         in_init=1;
1208                         tty_on=0;
1209                         }
1210                 else
1211                         {
1212                         tty_on=1;
1213                         if (in_init)
1214                                 {
1215                                 in_init=0;
1216 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1217 #ifndef OPENSSL_NO_TLSEXT
1218                                 if (servername != NULL && !SSL_session_reused(con))
1219                                         {
1220                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1221                                         }
1222 #endif
1223 #endif
1224                                 if (sess_out)
1225                                         {
1226                                         BIO *stmp = BIO_new_file(sess_out, "w");
1227                                         if (stmp)
1228                                                 {
1229                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1230                                                 BIO_free(stmp);
1231                                                 }
1232                                         else
1233                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1234                                         }
1235                                 print_stuff(bio_c_out,con,full_log);
1236                                 if (full_log > 0) full_log--;
1237
1238                                 if (starttls_proto)
1239                                         {
1240                                         BIO_printf(bio_err,"%s",mbuf);
1241                                         /* We don't need to know any more */
1242                                         starttls_proto = PROTO_OFF;
1243                                         }
1244
1245                                 if (reconnect)
1246                                         {
1247                                         reconnect--;
1248                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1249                                         SSL_shutdown(con);
1250                                         SSL_set_connect_state(con);
1251                                         SHUTDOWN(SSL_get_fd(con));
1252                                         goto re_start;
1253                                         }
1254                                 }
1255                         }
1256
1257                 ssl_pending = read_ssl && SSL_pending(con);
1258
1259                 if (!ssl_pending)
1260                         {
1261 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1262                         if (tty_on)
1263                                 {
1264                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1265                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1266                                 }
1267                         if (read_ssl)
1268                                 openssl_fdset(SSL_get_fd(con),&readfds);
1269                         if (write_ssl)
1270                                 openssl_fdset(SSL_get_fd(con),&writefds);
1271 #else
1272                         if(!tty_on || !write_tty) {
1273                                 if (read_ssl)
1274                                         openssl_fdset(SSL_get_fd(con),&readfds);
1275                                 if (write_ssl)
1276                                         openssl_fdset(SSL_get_fd(con),&writefds);
1277                         }
1278 #endif
1279 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1280                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1281
1282                         /* Note: under VMS with SOCKETSHR the second parameter
1283                          * is currently of type (int *) whereas under other
1284                          * systems it is (void *) if you don't have a cast it
1285                          * will choke the compiler: if you do have a cast then
1286                          * you can either go for (int *) or (void *).
1287                          */
1288 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1289                         /* Under Windows/DOS we make the assumption that we can
1290                          * always write to the tty: therefore if we need to
1291                          * write to the tty we just fall through. Otherwise
1292                          * we timeout the select every second and see if there
1293                          * are any keypresses. Note: this is a hack, in a proper
1294                          * Windows application we wouldn't do this.
1295                          */
1296                         i=0;
1297                         if(!write_tty) {
1298                                 if(read_tty) {
1299                                         tv.tv_sec = 1;
1300                                         tv.tv_usec = 0;
1301                                         i=select(width,(void *)&readfds,(void *)&writefds,
1302                                                  NULL,&tv);
1303 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1304                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1305 #else
1306                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1307 #endif
1308                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1309                                          NULL,timeoutp);
1310                         }
1311 #elif defined(OPENSSL_SYS_NETWARE)
1312                         if(!write_tty) {
1313                                 if(read_tty) {
1314                                         tv.tv_sec = 1;
1315                                         tv.tv_usec = 0;
1316                                         i=select(width,(void *)&readfds,(void *)&writefds,
1317                                                 NULL,&tv);
1318                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1319                                         NULL,timeoutp);
1320                         }
1321 #elif defined(OPENSSL_SYS_BEOS_R5)
1322                         /* Under BeOS-R5 the situation is similar to DOS */
1323                         i=0;
1324                         stdin_set = 0;
1325                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1326                         if(!write_tty) {
1327                                 if(read_tty) {
1328                                         tv.tv_sec = 1;
1329                                         tv.tv_usec = 0;
1330                                         i=select(width,(void *)&readfds,(void *)&writefds,
1331                                                  NULL,&tv);
1332                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1333                                                 stdin_set = 1;
1334                                         if (!i && (stdin_set != 1 || !read_tty))
1335                                                 continue;
1336                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1337                                          NULL,timeoutp);
1338                         }
1339                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1340 #else
1341                         i=select(width,(void *)&readfds,(void *)&writefds,
1342                                  NULL,timeoutp);
1343 #endif
1344                         if ( i < 0)
1345                                 {
1346                                 BIO_printf(bio_err,"bad select %d\n",
1347                                 get_last_socket_error());
1348                                 goto shut;
1349                                 /* goto end; */
1350                                 }
1351                         }
1352
1353                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1354                         {
1355                         BIO_printf(bio_err,"TIMEOUT occured\n");
1356                         }
1357
1358                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1359                         {
1360                         k=SSL_write(con,&(cbuf[cbuf_off]),
1361                                 (unsigned int)cbuf_len);
1362                         switch (SSL_get_error(con,k))
1363                                 {
1364                         case SSL_ERROR_NONE:
1365                                 cbuf_off+=k;
1366                                 cbuf_len-=k;
1367                                 if (k <= 0) goto end;
1368                                 /* we have done a  write(con,NULL,0); */
1369                                 if (cbuf_len <= 0)
1370                                         {
1371                                         read_tty=1;
1372                                         write_ssl=0;
1373                                         }
1374                                 else /* if (cbuf_len > 0) */
1375                                         {
1376                                         read_tty=0;
1377                                         write_ssl=1;
1378                                         }
1379                                 break;
1380                         case SSL_ERROR_WANT_WRITE:
1381                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1382                                 write_ssl=1;
1383                                 read_tty=0;
1384                                 break;
1385                         case SSL_ERROR_WANT_READ:
1386                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1387                                 write_tty=0;
1388                                 read_ssl=1;
1389                                 write_ssl=0;
1390                                 break;
1391                         case SSL_ERROR_WANT_X509_LOOKUP:
1392                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1393                                 break;
1394                         case SSL_ERROR_ZERO_RETURN:
1395                                 if (cbuf_len != 0)
1396                                         {
1397                                         BIO_printf(bio_c_out,"shutdown\n");
1398                                         ret = 0;
1399                                         goto shut;
1400                                         }
1401                                 else
1402                                         {
1403                                         read_tty=1;
1404                                         write_ssl=0;
1405                                         break;
1406                                         }
1407
1408                         case SSL_ERROR_SYSCALL:
1409                                 if ((k != 0) || (cbuf_len != 0))
1410                                         {
1411                                         BIO_printf(bio_err,"write:errno=%d\n",
1412                                                 get_last_socket_error());
1413                                         goto shut;
1414                                         }
1415                                 else
1416                                         {
1417                                         read_tty=1;
1418                                         write_ssl=0;
1419                                         }
1420                                 break;
1421                         case SSL_ERROR_SSL:
1422                                 ERR_print_errors(bio_err);
1423                                 goto shut;
1424                                 }
1425                         }
1426 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1427                 /* Assume Windows/DOS/BeOS can always write */
1428                 else if (!ssl_pending && write_tty)
1429 #else
1430                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1431 #endif
1432                         {
1433 #ifdef CHARSET_EBCDIC
1434                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1435 #endif
1436                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1437
1438                         if (i <= 0)
1439                                 {
1440                                 BIO_printf(bio_c_out,"DONE\n");
1441                                 ret = 0;
1442                                 goto shut;
1443                                 /* goto end; */
1444                                 }
1445
1446                         sbuf_len-=i;;
1447                         sbuf_off+=i;
1448                         if (sbuf_len <= 0)
1449                                 {
1450                                 read_ssl=1;
1451                                 write_tty=0;
1452                                 }
1453                         }
1454                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1455                         {
1456 #ifdef RENEG
1457 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1458 #endif
1459 #if 1
1460                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1461 #else
1462 /* Demo for pending and peek :-) */
1463                         k=SSL_read(con,sbuf,16);
1464 { char zbuf[10240];
1465 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1466 }
1467 #endif
1468
1469                         switch (SSL_get_error(con,k))
1470                                 {
1471                         case SSL_ERROR_NONE:
1472                                 if (k <= 0)
1473                                         goto end;
1474                                 sbuf_off=0;
1475                                 sbuf_len=k;
1476
1477                                 read_ssl=0;
1478                                 write_tty=1;
1479                                 break;
1480                         case SSL_ERROR_WANT_WRITE:
1481                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1482                                 write_ssl=1;
1483                                 read_tty=0;
1484                                 break;
1485                         case SSL_ERROR_WANT_READ:
1486                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1487                                 write_tty=0;
1488                                 read_ssl=1;
1489                                 if ((read_tty == 0) && (write_ssl == 0))
1490                                         write_ssl=1;
1491                                 break;
1492                         case SSL_ERROR_WANT_X509_LOOKUP:
1493                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1494                                 break;
1495                         case SSL_ERROR_SYSCALL:
1496                                 ret=get_last_socket_error();
1497                                 BIO_printf(bio_err,"read:errno=%d\n",ret);
1498                                 goto shut;
1499                         case SSL_ERROR_ZERO_RETURN:
1500                                 BIO_printf(bio_c_out,"closed\n");
1501                                 ret=0;
1502                                 goto shut;
1503                         case SSL_ERROR_SSL:
1504                                 ERR_print_errors(bio_err);
1505                                 goto shut;
1506                                 /* break; */
1507                                 }
1508                         }
1509
1510 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1511 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1512                 else if (_kbhit())
1513 #else
1514                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1515 #endif
1516 #elif defined (OPENSSL_SYS_NETWARE)
1517                 else if (_kbhit())
1518 #elif defined(OPENSSL_SYS_BEOS_R5)
1519                 else if (stdin_set)
1520 #else
1521                 else if (FD_ISSET(fileno(stdin),&readfds))
1522 #endif
1523                         {
1524                         if (crlf)
1525                                 {
1526                                 int j, lf_num;
1527
1528                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1529                                 lf_num = 0;
1530                                 /* both loops are skipped when i <= 0 */
1531                                 for (j = 0; j < i; j++)
1532                                         if (cbuf[j] == '\n')
1533                                                 lf_num++;
1534                                 for (j = i-1; j >= 0; j--)
1535                                         {
1536                                         cbuf[j+lf_num] = cbuf[j];
1537                                         if (cbuf[j] == '\n')
1538                                                 {
1539                                                 lf_num--;
1540                                                 i++;
1541                                                 cbuf[j+lf_num] = '\r';
1542                                                 }
1543                                         }
1544                                 assert(lf_num == 0);
1545                                 }
1546                         else
1547                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1548
1549                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1550                                 {
1551                                 BIO_printf(bio_err,"DONE\n");
1552                                 ret=0;
1553                                 goto shut;
1554                                 }
1555
1556                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1557                                 {
1558                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1559                                 SSL_renegotiate(con);
1560                                 cbuf_len=0;
1561                                 }
1562                         else
1563                                 {
1564                                 cbuf_len=i;
1565                                 cbuf_off=0;
1566 #ifdef CHARSET_EBCDIC
1567                                 ebcdic2ascii(cbuf, cbuf, i);
1568 #endif
1569                                 }
1570
1571                         write_ssl=1;
1572                         read_tty=0;
1573                         }
1574                 }
1575
1576         ret=0;
1577 shut:
1578         if (in_init)
1579                 print_stuff(bio_c_out,con,full_log);
1580         SSL_shutdown(con);
1581         SHUTDOWN(SSL_get_fd(con));
1582 end:
1583         if (con != NULL)
1584                 {
1585                 if (prexit != 0)
1586                         print_stuff(bio_c_out,con,1);
1587                 SSL_free(con);
1588                 }
1589         if (ctx != NULL) SSL_CTX_free(ctx);
1590         if (cert)
1591                 X509_free(cert);
1592         if (key)
1593                 EVP_PKEY_free(key);
1594         if (pass)
1595                 OPENSSL_free(pass);
1596         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1597         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1598         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1599         if (bio_c_out != NULL)
1600                 {
1601                 BIO_free(bio_c_out);
1602                 bio_c_out=NULL;
1603                 }
1604         apps_shutdown();
1605         OPENSSL_EXIT(ret);
1606         }
1607
1608
1609 static void print_stuff(BIO *bio, SSL *s, int full)
1610         {
1611         X509 *peer=NULL;
1612         char *p;
1613         static const char *space="                ";
1614         char buf[BUFSIZ];
1615         STACK_OF(X509) *sk;
1616         STACK_OF(X509_NAME) *sk2;
1617         const SSL_CIPHER *c;
1618         X509_NAME *xn;
1619         int j,i;
1620 #ifndef OPENSSL_NO_COMP
1621         const COMP_METHOD *comp, *expansion;
1622 #endif
1623
1624         if (full)
1625                 {
1626                 int got_a_chain = 0;
1627
1628                 sk=SSL_get_peer_cert_chain(s);
1629                 if (sk != NULL)
1630                         {
1631                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1632
1633                         BIO_printf(bio,"---\nCertificate chain\n");
1634                         for (i=0; i<sk_X509_num(sk); i++)
1635                                 {
1636                                 X509_NAME_oneline(X509_get_subject_name(
1637                                         sk_X509_value(sk,i)),buf,sizeof buf);
1638                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1639                                 X509_NAME_oneline(X509_get_issuer_name(
1640                                         sk_X509_value(sk,i)),buf,sizeof buf);
1641                                 BIO_printf(bio,"   i:%s\n",buf);
1642                                 if (c_showcerts)
1643                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1644                                 }
1645                         }
1646
1647                 BIO_printf(bio,"---\n");
1648                 peer=SSL_get_peer_certificate(s);
1649                 if (peer != NULL)
1650                         {
1651                         BIO_printf(bio,"Server certificate\n");
1652                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1653                                 PEM_write_bio_X509(bio,peer);
1654                         X509_NAME_oneline(X509_get_subject_name(peer),
1655                                 buf,sizeof buf);
1656                         BIO_printf(bio,"subject=%s\n",buf);
1657                         X509_NAME_oneline(X509_get_issuer_name(peer),
1658                                 buf,sizeof buf);
1659                         BIO_printf(bio,"issuer=%s\n",buf);
1660                         }
1661                 else
1662                         BIO_printf(bio,"no peer certificate available\n");
1663
1664                 sk2=SSL_get_client_CA_list(s);
1665                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1666                         {
1667                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1668                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1669                                 {
1670                                 xn=sk_X509_NAME_value(sk2,i);
1671                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1672                                 BIO_write(bio,buf,strlen(buf));
1673                                 BIO_write(bio,"\n",1);
1674                                 }
1675                         }
1676                 else
1677                         {
1678                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1679                         }
1680                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1681                 if (p != NULL)
1682                         {
1683                         /* This works only for SSL 2.  In later protocol
1684                          * versions, the client does not know what other
1685                          * ciphers (in addition to the one to be used
1686                          * in the current connection) the server supports. */
1687
1688                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1689                         j=i=0;
1690                         while (*p)
1691                                 {
1692                                 if (*p == ':')
1693                                         {
1694                                         BIO_write(bio,space,15-j%25);
1695                                         i++;
1696                                         j=0;
1697                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1698                                         }
1699                                 else
1700                                         {
1701                                         BIO_write(bio,p,1);
1702                                         j++;
1703                                         }
1704                                 p++;
1705                                 }
1706                         BIO_write(bio,"\n",1);
1707                         }
1708
1709                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1710                         BIO_number_read(SSL_get_rbio(s)),
1711                         BIO_number_written(SSL_get_wbio(s)));
1712                 }
1713         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1714         c=SSL_get_current_cipher(s);
1715         BIO_printf(bio,"%s, Cipher is %s\n",
1716                 SSL_CIPHER_get_version(c),
1717                 SSL_CIPHER_get_name(c));
1718         if (peer != NULL) {
1719                 EVP_PKEY *pktmp;
1720                 pktmp = X509_get_pubkey(peer);
1721                 BIO_printf(bio,"Server public key is %d bit\n",
1722                                                          EVP_PKEY_bits(pktmp));
1723                 EVP_PKEY_free(pktmp);
1724         }
1725 #ifndef OPENSSL_NO_COMP
1726         comp=SSL_get_current_compression(s);
1727         expansion=SSL_get_current_expansion(s);
1728         BIO_printf(bio,"Compression: %s\n",
1729                 comp ? SSL_COMP_get_name(comp) : "NONE");
1730         BIO_printf(bio,"Expansion: %s\n",
1731                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1732 #endif
1733         SSL_SESSION_print(bio,SSL_get_session(s));
1734         BIO_printf(bio,"---\n");
1735         if (peer != NULL)
1736                 X509_free(peer);
1737         /* flush, or debugging output gets mixed with http response */
1738         (void)BIO_flush(bio);
1739         }
1740
1741 #ifndef OPENSSL_NO_TLSEXT
1742
1743 static int ocsp_resp_cb(SSL *s, void *arg)
1744         {
1745         const unsigned char *p;
1746         int len;
1747         OCSP_RESPONSE *rsp;
1748         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1749         BIO_puts(arg, "OCSP response: ");
1750         if (!p)
1751                 {
1752                 BIO_puts(arg, "no response sent\n");
1753                 return 1;
1754                 }
1755         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1756         if (!rsp)
1757                 {
1758                 BIO_puts(arg, "response parse error\n");
1759                 BIO_dump_indent(arg, (char *)p, len, 4);
1760                 return 0;
1761                 }
1762         BIO_puts(arg, "\n======================================\n");
1763         OCSP_RESPONSE_print(arg, rsp, 0);
1764         BIO_puts(arg, "======================================\n");
1765         OCSP_RESPONSE_free(rsp);
1766         return 1;
1767         }
1768
1769 #endif