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         X509_STORE *store = NULL;
 387         int s,k,width,state=0;
 388         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 389         int cbuf_len,cbuf_off;
 390         int sbuf_len,sbuf_off;
 391         fd_set readfds,writefds;
 392         short port=PORT;
 393         int full_log=1;
 394         char *host=SSL_HOST_NAME;
 395         char *cert_file=NULL,*key_file=NULL;
 396         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 397         char *passarg = NULL, *pass = NULL;
 398         X509 *cert = NULL;
 399         EVP_PKEY *key = NULL;
 400         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 401         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 402         int crlf=0;
 403         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 404         SSL_CTX *ctx=NULL;
 405         int ret=1,in_init=1,i,nbio_test=0;
 406         int starttls_proto = PROTO_OFF;
 407         int prexit = 0, vflags = 0;
 408         const SSL_METHOD *meth=NULL;
 409         int socket_type=SOCK_STREAM;
 410         BIO *sbio;
 411         char *inrand=NULL;
 412         int mbuf_len=0;
 413 #ifndef OPENSSL_NO_ENGINE
 414         char *engine_id=NULL;
 415         char *ssl_client_engine_id=NULL;
 416         ENGINE *ssl_client_engine=NULL;
 417 #endif
 418         ENGINE *e=NULL;
 419 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 420         struct timeval tv;
 421 #if defined(OPENSSL_SYS_BEOS_R5)
 422         int stdin_set = 0;
 423 #endif
 424 #endif
 425 #ifndef OPENSSL_NO_TLSEXT
 426         char *servername = NULL;
 427         tlsextctx tlsextcbp =
 428         {NULL,0};
 429 #endif
 430         char *sess_in = NULL;
 431         char *sess_out = NULL;
 432         struct sockaddr peer;
 433         int peerlen = sizeof(peer);
 434         int enable_timeouts = 0 ;
 435         long socket_mtu = 0;
 436 #ifndef OPENSSL_NO_JPAKE
 437         char *jpake_secret = NULL;
 438 #endif
 439
 440 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 441         meth=SSLv23_client_method();
 442 #elif !defined(OPENSSL_NO_SSL3)
 443         meth=SSLv3_client_method();
 444 #elif !defined(OPENSSL_NO_SSL2)
 445         meth=SSLv2_client_method();
 446 #endif
 447
 448         apps_startup();
 449         c_Pause=0;
 450         c_quiet=0;
 451         c_ign_eof=0;
 452         c_debug=0;
 453         c_msg=0;
 454         c_showcerts=0;
 455
 456         if (bio_err == NULL)
 457                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 458
 459         if (!load_config(bio_err, NULL))
 460                 goto end;
 461
 462         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 463                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 464                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 465                 {
 466                 BIO_printf(bio_err,"out of memory\n");
 467                 goto end;
 468                 }
 469
 470         verify_depth=0;
 471         verify_error=X509_V_OK;
 472 #ifdef FIONBIO
 473         c_nbio=0;
 474 #endif
 475
 476         argc--;
 477         argv++;
 478         while (argc >= 1)
 479                 {
 480                 if      (strcmp(*argv,"-host") == 0)
 481                         {
 482                         if (--argc < 1) goto bad;
 483                         host= *(++argv);
 484                         }
 485                 else if (strcmp(*argv,"-port") == 0)
 486                         {
 487                         if (--argc < 1) goto bad;
 488                         port=atoi(*(++argv));
 489                         if (port == 0) goto bad;
 490                         }
 491                 else if (strcmp(*argv,"-connect") == 0)
 492                         {
 493                         if (--argc < 1) goto bad;
 494                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 495                                 goto bad;
 496                         }
 497                 else if (strcmp(*argv,"-verify") == 0)
 498                         {
 499                         verify=SSL_VERIFY_PEER;
 500                         if (--argc < 1) goto bad;
 501                         verify_depth=atoi(*(++argv));
 502                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 503                         }
 504                 else if (strcmp(*argv,"-cert") == 0)
 505                         {
 506                         if (--argc < 1) goto bad;
 507                         cert_file= *(++argv);
 508                         }
 509                 else if (strcmp(*argv,"-sess_out") == 0)
 510                         {
 511                         if (--argc < 1) goto bad;
 512                         sess_out = *(++argv);
 513                         }
 514                 else if (strcmp(*argv,"-sess_in") == 0)
 515                         {
 516                         if (--argc < 1) goto bad;
 517                         sess_in = *(++argv);
 518                         }
 519                 else if (strcmp(*argv,"-certform") == 0)
 520                         {
 521                         if (--argc < 1) goto bad;
 522                         cert_format = str2fmt(*(++argv));
 523                         }
 524                 else if (strcmp(*argv,"-crl_check") == 0)
 525                         vflags |= X509_V_FLAG_CRL_CHECK;
 526                 else if (strcmp(*argv,"-crl_check_all") == 0)
 527                         vflags |= X509_V_FLAG_CRL_CHECK|X509_V_FLAG_CRL_CHECK_ALL;
 528                 else if (strcmp(*argv,"-verify_return_error") == 0)
 529                         verify_return_error = 1;
 530                 else if (strcmp(*argv,"-prexit") == 0)
 531                         prexit=1;
 532                 else if (strcmp(*argv,"-crlf") == 0)
 533                         crlf=1;
 534                 else if (strcmp(*argv,"-quiet") == 0)
 535                         {
 536                         c_quiet=1;
 537                         c_ign_eof=1;
 538                         }
 539                 else if (strcmp(*argv,"-ign_eof") == 0)
 540                         c_ign_eof=1;
 541                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 542                         c_ign_eof=0;
 543                 else if (strcmp(*argv,"-pause") == 0)
 544                         c_Pause=1;
 545                 else if (strcmp(*argv,"-debug") == 0)
 546                         c_debug=1;
 547 #ifndef OPENSSL_NO_TLSEXT
 548                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 549                         c_tlsextdebug=1;
 550                 else if (strcmp(*argv,"-status") == 0)
 551                         c_status_req=1;
 552 #endif
 553 #ifdef WATT32
 554                 else if (strcmp(*argv,"-wdebug") == 0)
 555                         dbug_init();
 556 #endif
 557                 else if (strcmp(*argv,"-msg") == 0)
 558                         c_msg=1;
 559                 else if (strcmp(*argv,"-showcerts") == 0)
 560                         c_showcerts=1;
 561                 else if (strcmp(*argv,"-nbio_test") == 0)
 562                         nbio_test=1;
 563                 else if (strcmp(*argv,"-state") == 0)
 564                         state=1;
 565 #ifndef OPENSSL_NO_PSK
 566                 else if (strcmp(*argv,"-psk_identity") == 0)
 567                         {
 568                         if (--argc < 1) goto bad;
 569                         psk_identity=*(++argv);
 570                         }
 571                 else if (strcmp(*argv,"-psk") == 0)
 572                         {
 573                         size_t j;
 574
 575                         if (--argc < 1) goto bad;
 576                         psk_key=*(++argv);
 577                         for (j = 0; j < strlen(psk_key); j++)
 578                                 {
 579                                 if (isxdigit((int)psk_key[j]))
 580                                         continue;
 581                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 582                                 goto bad;
 583                                 }
 584                         }
 585 #endif
 586 #ifndef OPENSSL_NO_SSL2
 587                 else if (strcmp(*argv,"-ssl2") == 0)
 588                         meth=SSLv2_client_method();
 589 #endif
 590 #ifndef OPENSSL_NO_SSL3
 591                 else if (strcmp(*argv,"-ssl3") == 0)
 592                         meth=SSLv3_client_method();
 593 #endif
 594 #ifndef OPENSSL_NO_TLS1
 595                 else if (strcmp(*argv,"-tls1") == 0)
 596                         meth=TLSv1_client_method();
 597 #endif
 598 #ifndef OPENSSL_NO_DTLS1
 599                 else if (strcmp(*argv,"-dtls1") == 0)
 600                         {
 601                         meth=DTLSv1_client_method();
 602                         socket_type=SOCK_DGRAM;
 603                         }
 604                 else if (strcmp(*argv,"-timeout") == 0)
 605                         enable_timeouts=1;
 606                 else if (strcmp(*argv,"-mtu") == 0)
 607                         {
 608                         if (--argc < 1) goto bad;
 609                         socket_mtu = atol(*(++argv));
 610                         }
 611 #endif
 612                 else if (strcmp(*argv,"-bugs") == 0)
 613                         bugs=1;
 614                 else if (strcmp(*argv,"-keyform") == 0)
 615                         {
 616                         if (--argc < 1) goto bad;
 617                         key_format = str2fmt(*(++argv));
 618                         }
 619                 else if (strcmp(*argv,"-pass") == 0)
 620                         {
 621                         if (--argc < 1) goto bad;
 622                         passarg = *(++argv);
 623                         }
 624                 else if (strcmp(*argv,"-key") == 0)
 625                         {
 626                         if (--argc < 1) goto bad;
 627                         key_file= *(++argv);
 628                         }
 629                 else if (strcmp(*argv,"-reconnect") == 0)
 630                         {
 631                         reconnect=5;
 632                         }
 633                 else if (strcmp(*argv,"-CApath") == 0)
 634                         {
 635                         if (--argc < 1) goto bad;
 636                         CApath= *(++argv);
 637                         }
 638                 else if (strcmp(*argv,"-CAfile") == 0)
 639                         {
 640                         if (--argc < 1) goto bad;
 641                         CAfile= *(++argv);
 642                         }
 643                 else if (strcmp(*argv,"-no_tls1") == 0)
 644                         off|=SSL_OP_NO_TLSv1;
 645                 else if (strcmp(*argv,"-no_ssl3") == 0)
 646                         off|=SSL_OP_NO_SSLv3;
 647                 else if (strcmp(*argv,"-no_ssl2") == 0)
 648                         off|=SSL_OP_NO_SSLv2;
 649                 else if (strcmp(*argv,"-no_comp") == 0)
 650                         { off|=SSL_OP_NO_COMPRESSION; }
 651 #ifndef OPENSSL_NO_TLSEXT
 652                 else if (strcmp(*argv,"-no_ticket") == 0)
 653                         { off|=SSL_OP_NO_TICKET; }
 654 #endif
 655                 else if (strcmp(*argv,"-serverpref") == 0)
 656                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 657                 else if (strcmp(*argv,"-cipher") == 0)
 658                         {
 659                         if (--argc < 1) goto bad;
 660                         cipher= *(++argv);
 661                         }
 662 #ifdef FIONBIO
 663                 else if (strcmp(*argv,"-nbio") == 0)
 664                         { c_nbio=1; }
 665 #endif
 666                 else if (strcmp(*argv,"-starttls") == 0)
 667                         {
 668                         if (--argc < 1) goto bad;
 669                         ++argv;
 670                         if (strcmp(*argv,"smtp") == 0)
 671                                 starttls_proto = PROTO_SMTP;
 672                         else if (strcmp(*argv,"pop3") == 0)
 673                                 starttls_proto = PROTO_POP3;
 674                         else if (strcmp(*argv,"imap") == 0)
 675                                 starttls_proto = PROTO_IMAP;
 676                         else if (strcmp(*argv,"ftp") == 0)
 677                                 starttls_proto = PROTO_FTP;
 678                         else if (strcmp(*argv, "xmpp") == 0)
 679                                 starttls_proto = PROTO_XMPP;
 680                         else
 681                                 goto bad;
 682                         }
 683 #ifndef OPENSSL_NO_ENGINE
 684                 else if (strcmp(*argv,"-engine") == 0)
 685                         {
 686                         if (--argc < 1) goto bad;
 687                         engine_id = *(++argv);
 688                         }
 689                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
 690                         {
 691                         if (--argc < 1) goto bad;
 692                         ssl_client_engine_id = *(++argv);
 693                         }
 694 #endif
 695                 else if (strcmp(*argv,"-rand") == 0)
 696                         {
 697                         if (--argc < 1) goto bad;
 698                         inrand= *(++argv);
 699                         }
 700 #ifndef OPENSSL_NO_TLSEXT
 701                 else if (strcmp(*argv,"-servername") == 0)
 702                         {
 703                         if (--argc < 1) goto bad;
 704                         servername= *(++argv);
 705                         /* meth=TLSv1_client_method(); */
 706                         }
 707 #endif
 708 #ifndef OPENSSL_NO_JPAKE
 709                 else if (strcmp(*argv,"-jpake") == 0)
 710                         {
 711                         if (--argc < 1) goto bad;
 712                         jpake_secret = *++argv;
 713                         }
 714 #endif
 715                 else
 716                         {
 717                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 718                         badop=1;
 719                         break;
 720                         }
 721                 argc--;
 722                 argv++;
 723                 }
 724         if (badop)
 725                 {
 726 bad:
 727                 sc_usage();
 728                 goto end;
 729                 }
 730
 731 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 732         if (jpake_secret)
 733                 {
 734                 if (psk_key)
 735                         {
 736                         BIO_printf(bio_err,
 737                                    "Can't use JPAKE and PSK together\n");
 738                         goto end;
 739                         }
 740                 psk_identity = "JPAKE";
 741                 }
 742
 743         if (cipher)
 744                 {
 745                 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
 746                 goto end;
 747                 }
 748         cipher = "PSK";
 749 #endif
 750
 751         OpenSSL_add_ssl_algorithms();
 752         SSL_load_error_strings();
 753
 754 #ifndef OPENSSL_NO_ENGINE
 755         e = setup_engine(bio_err, engine_id, 1);
 756         if (ssl_client_engine_id)
 757                 {
 758                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
 759                 if (!ssl_client_engine)
 760                         {
 761                         BIO_printf(bio_err,
 762                                         "Error getting client auth engine\n");
 763                         goto end;
 764                         }
 765                 }
 766
 767 #endif
 768         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 769                 {
 770                 BIO_printf(bio_err, "Error getting password\n");
 771                 goto end;
 772                 }
 773
 774         if (key_file == NULL)
 775                 key_file = cert_file;
 776
 777
 778         if (key_file)
 779
 780                 {
 781
 782                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 783                                "client certificate private key file");
 784                 if (!key)
 785                         {
 786                         ERR_print_errors(bio_err);
 787                         goto end;
 788                         }
 789
 790                 }
 791
 792         if (cert_file)
 793
 794                 {
 795                 cert = load_cert(bio_err,cert_file,cert_format,
 796                                 NULL, e, "client certificate file");
 797
 798                 if (!cert)
 799                         {
 800                         ERR_print_errors(bio_err);
 801                         goto end;
 802                         }
 803                 }
 804
 805         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 806                 && !RAND_status())
 807                 {
 808                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 809                 }
 810         if (inrand != NULL)
 811                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 812                         app_RAND_load_files(inrand));
 813
 814         if (bio_c_out == NULL)
 815                 {
 816                 if (c_quiet && !c_debug && !c_msg)
 817                         {
 818                         bio_c_out=BIO_new(BIO_s_null());
 819                         }
 820                 else
 821                         {
 822                         if (bio_c_out == NULL)
 823                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 824                         }
 825                 }
 826
 827         ctx=SSL_CTX_new(meth);
 828         if (ctx == NULL)
 829                 {
 830                 ERR_print_errors(bio_err);
 831                 goto end;
 832                 }
 833
 834 #ifndef OPENSSL_NO_ENGINE
 835         if (ssl_client_engine)
 836                 {
 837                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
 838                         {
 839                         BIO_puts(bio_err, "Error setting client auth engine\n");
 840                         ERR_print_errors(bio_err);
 841                         ENGINE_free(ssl_client_engine);
 842                         goto end;
 843                         }
 844                 ENGINE_free(ssl_client_engine);
 845                 }
 846 #endif
 847
 848 #ifndef OPENSSL_NO_PSK
 849 #ifdef OPENSSL_NO_JPAKE
 850         if (psk_key != NULL)
 851 #else
 852         if (psk_key != NULL || jpake_secret)
 853 #endif
 854                 {
 855                 if (c_debug)
 856                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
 857                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
 858                 }
 859 #endif
 860         if (bugs)
 861                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 862         else
 863                 SSL_CTX_set_options(ctx,off);
 864         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 865          * Setting read ahead solves this problem.
 866          */
 867         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 868
 869         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 870         if (cipher != NULL)
 871                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 872                 BIO_printf(bio_err,"error setting cipher list\n");
 873                 ERR_print_errors(bio_err);
 874                 goto end;
 875         }
 876 #if 0
 877         else
 878                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 879 #endif
 880
 881         SSL_CTX_set_verify(ctx,verify,verify_callback);
 882         if (!set_cert_key_stuff(ctx,cert,key))
 883                 goto end;
 884
 885         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 886                 (!SSL_CTX_set_default_verify_paths(ctx)))
 887                 {
 888                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 889                 ERR_print_errors(bio_err);
 890                 /* goto end; */
 891                 }
 892
 893         store = SSL_CTX_get_cert_store(ctx);
 894         X509_STORE_set_flags(store, vflags);
 895 #ifndef OPENSSL_NO_TLSEXT
 896         if (servername != NULL)
 897                 {
 898                 tlsextcbp.biodebug = bio_err;
 899                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 900                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 901                 }
 902 #endif
 903
 904         con=SSL_new(ctx);
 905         if (sess_in)
 906                 {
 907                 SSL_SESSION *sess;
 908                 BIO *stmp = BIO_new_file(sess_in, "r");
 909                 if (!stmp)
 910                         {
 911                         BIO_printf(bio_err, "Can't open session file %s\n",
 912                                                 sess_in);
 913                         ERR_print_errors(bio_err);
 914                         goto end;
 915                         }
 916                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
 917                 BIO_free(stmp);
 918                 if (!sess)
 919                         {
 920                         BIO_printf(bio_err, "Can't open session file %s\n",
 921                                                 sess_in);
 922                         ERR_print_errors(bio_err);
 923                         goto end;
 924                         }
 925                 SSL_set_session(con, sess);
 926                 SSL_SESSION_free(sess);
 927                 }
 928 #ifndef OPENSSL_NO_TLSEXT
 929         if (servername != NULL)
 930                 {
 931                 if (!SSL_set_tlsext_host_name(con,servername))
 932                         {
 933                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
 934                         ERR_print_errors(bio_err);
 935                         goto end;
 936                         }
 937                 }
 938 #endif
 939 #ifndef OPENSSL_NO_KRB5
 940         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 941                 {
 942                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 943                 }
 944 #endif  /* OPENSSL_NO_KRB5  */
 945 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 946 #if 0
 947 #ifdef TLSEXT_TYPE_opaque_prf_input
 948         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
 949 #endif
 950 #endif
 951
 952 re_start:
 953
 954         if (init_client(&s,host,port,socket_type) == 0)
 955                 {
 956                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 957                 SHUTDOWN(s);
 958                 goto end;
 959                 }
 960         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 961
 962 #ifdef FIONBIO
 963         if (c_nbio)
 964                 {
 965                 unsigned long l=1;
 966                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 967                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 968                         {
 969                         ERR_print_errors(bio_err);
 970                         goto end;
 971                         }
 972                 }
 973 #endif
 974         if (c_Pause & 0x01) con->debug=1;
 975
 976         if ( SSL_version(con) == DTLS1_VERSION)
 977                 {
 978                 struct timeval timeout;
 979
 980                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 981                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 982                         {
 983                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 984                                 get_last_socket_error());
 985                         SHUTDOWN(s);
 986                         goto end;
 987                         }
 988
 989                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
 990
 991                 if (enable_timeouts)
 992                         {
 993                         timeout.tv_sec = 0;
 994                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
 995                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
 996
 997                         timeout.tv_sec = 0;
 998                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
 999                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1000                         }
1001
1002                 if (socket_mtu > 28)
1003                         {
1004                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1005                         SSL_set_mtu(con, socket_mtu - 28);
1006                         }
1007                 else
1008                         /* want to do MTU discovery */
1009                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1010                 }
1011         else
1012                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1013
1014         if (nbio_test)
1015                 {
1016                 BIO *test;
1017
1018                 test=BIO_new(BIO_f_nbio_test());
1019                 sbio=BIO_push(test,sbio);
1020                 }
1021
1022         if (c_debug)
1023                 {
1024                 con->debug=1;
1025                 BIO_set_callback(sbio,bio_dump_callback);
1026                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1027                 }
1028         if (c_msg)
1029                 {
1030                 SSL_set_msg_callback(con, msg_cb);
1031                 SSL_set_msg_callback_arg(con, bio_c_out);
1032                 }
1033 #ifndef OPENSSL_NO_TLSEXT
1034         if (c_tlsextdebug)
1035                 {
1036                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1037                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1038                 }
1039         if (c_status_req)
1040                 {
1041                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1042                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1043                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1044 #if 0
1045 {
1046 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1047 OCSP_RESPID *id = OCSP_RESPID_new();
1048 id->value.byKey = ASN1_OCTET_STRING_new();
1049 id->type = V_OCSP_RESPID_KEY;
1050 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1051 sk_OCSP_RESPID_push(ids, id);
1052 SSL_set_tlsext_status_ids(con, ids);
1053 }
1054 #endif
1055                 }
1056 #endif
1057 #ifndef OPENSSL_NO_JPAKE
1058         if (jpake_secret)
1059                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1060 #endif
1061
1062         SSL_set_bio(con,sbio,sbio);
1063         SSL_set_connect_state(con);
1064
1065         /* ok, lets connect */
1066         width=SSL_get_fd(con)+1;
1067
1068         read_tty=1;
1069         write_tty=0;
1070         tty_on=0;
1071         read_ssl=1;
1072         write_ssl=1;
1073
1074         cbuf_len=0;
1075         cbuf_off=0;
1076         sbuf_len=0;
1077         sbuf_off=0;
1078
1079         /* This is an ugly hack that does a lot of assumptions */
1080         /* We do have to handle multi-line responses which may come
1081            in a single packet or not. We therefore have to use
1082            BIO_gets() which does need a buffering BIO. So during
1083            the initial chitchat we do push a buffering BIO into the
1084            chain that is removed again later on to not disturb the
1085            rest of the s_client operation. */
1086         if (starttls_proto == PROTO_SMTP)
1087                 {
1088                 int foundit=0;
1089                 BIO *fbio = BIO_new(BIO_f_buffer());
1090                 BIO_push(fbio, sbio);
1091                 /* wait for multi-line response to end from SMTP */
1092                 do
1093                         {
1094                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1095                         }
1096                 while (mbuf_len>3 && mbuf[3]=='-');
1097                 /* STARTTLS command requires EHLO... */
1098                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1099                 (void)BIO_flush(fbio);
1100                 /* wait for multi-line response to end EHLO SMTP response */
1101                 do
1102                         {
1103                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1104                         if (strstr(mbuf,"STARTTLS"))
1105                                 foundit=1;
1106                         }
1107                 while (mbuf_len>3 && mbuf[3]=='-');
1108                 (void)BIO_flush(fbio);
1109                 BIO_pop(fbio);
1110                 BIO_free(fbio);
1111                 if (!foundit)
1112                         BIO_printf(bio_err,
1113                                    "didn't found starttls in server response,"
1114                                    " try anyway...\n");
1115                 BIO_printf(sbio,"STARTTLS\r\n");
1116                 BIO_read(sbio,sbuf,BUFSIZZ);
1117                 }
1118         else if (starttls_proto == PROTO_POP3)
1119                 {
1120                 BIO_read(sbio,mbuf,BUFSIZZ);
1121                 BIO_printf(sbio,"STLS\r\n");
1122                 BIO_read(sbio,sbuf,BUFSIZZ);
1123                 }
1124         else if (starttls_proto == PROTO_IMAP)
1125                 {
1126                 int foundit=0;
1127                 BIO *fbio = BIO_new(BIO_f_buffer());
1128                 BIO_push(fbio, sbio);
1129                 BIO_gets(fbio,mbuf,BUFSIZZ);
1130                 /* STARTTLS command requires CAPABILITY... */
1131                 BIO_printf(fbio,". CAPABILITY\r\n");
1132                 (void)BIO_flush(fbio);
1133                 /* wait for multi-line CAPABILITY response */
1134                 do
1135                         {
1136                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1137                         if (strstr(mbuf,"STARTTLS"))
1138                                 foundit=1;
1139                         }
1140                 while (mbuf_len>3 && mbuf[0]!='.');
1141                 (void)BIO_flush(fbio);
1142                 BIO_pop(fbio);
1143                 BIO_free(fbio);
1144                 if (!foundit)
1145                         BIO_printf(bio_err,
1146                                    "didn't found STARTTLS in server response,"
1147                                    " try anyway...\n");
1148                 BIO_printf(sbio,". STARTTLS\r\n");
1149                 BIO_read(sbio,sbuf,BUFSIZZ);
1150                 }
1151         else if (starttls_proto == PROTO_FTP)
1152                 {
1153                 BIO *fbio = BIO_new(BIO_f_buffer());
1154                 BIO_push(fbio, sbio);
1155                 /* wait for multi-line response to end from FTP */
1156                 do
1157                         {
1158                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1159                         }
1160                 while (mbuf_len>3 && mbuf[3]=='-');
1161                 (void)BIO_flush(fbio);
1162                 BIO_pop(fbio);
1163                 BIO_free(fbio);
1164                 BIO_printf(sbio,"AUTH TLS\r\n");
1165                 BIO_read(sbio,sbuf,BUFSIZZ);
1166                 }
1167         if (starttls_proto == PROTO_XMPP)
1168                 {
1169                 int seen = 0;
1170                 BIO_printf(sbio,"<stream:stream "
1171                     "xmlns:stream='http://etherx.jabber.org/streams' "
1172                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1173                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1174                 mbuf[seen] = 0;
1175                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1176                         {
1177                         if (strstr(mbuf, "/stream:features>"))
1178                                 goto shut;
1179                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1180                         mbuf[seen] = 0;
1181                         }
1182                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1183                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1184                 sbuf[seen] = 0;
1185                 if (!strstr(sbuf, "<proceed"))
1186                         goto shut;
1187                 mbuf[0] = 0;
1188                 }
1189
1190         for (;;)
1191                 {
1192                 FD_ZERO(&readfds);
1193                 FD_ZERO(&writefds);
1194
1195                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1196                         {
1197                         in_init=1;
1198                         tty_on=0;
1199                         }
1200                 else
1201                         {
1202                         tty_on=1;
1203                         if (in_init)
1204                                 {
1205                                 in_init=0;
1206 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1207 #ifndef OPENSSL_NO_TLSEXT
1208                                 if (servername != NULL && !SSL_session_reused(con))
1209                                         {
1210                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1211                                         }
1212 #endif
1213 #endif
1214                                 if (sess_out)
1215                                         {
1216                                         BIO *stmp = BIO_new_file(sess_out, "w");
1217                                         if (stmp)
1218                                                 {
1219                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1220                                                 BIO_free(stmp);
1221                                                 }
1222                                         else
1223                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1224                                         }
1225                                 print_stuff(bio_c_out,con,full_log);
1226                                 if (full_log > 0) full_log--;
1227
1228                                 if (starttls_proto)
1229                                         {
1230                                         BIO_printf(bio_err,"%s",mbuf);
1231                                         /* We don't need to know any more */
1232                                         starttls_proto = PROTO_OFF;
1233                                         }
1234
1235                                 if (reconnect)
1236                                         {
1237                                         reconnect--;
1238                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1239                                         SSL_shutdown(con);
1240                                         SSL_set_connect_state(con);
1241                                         SHUTDOWN(SSL_get_fd(con));
1242                                         goto re_start;
1243                                         }
1244                                 }
1245                         }
1246
1247                 ssl_pending = read_ssl && SSL_pending(con);
1248
1249                 if (!ssl_pending)
1250                         {
1251 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1252                         if (tty_on)
1253                                 {
1254                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1255                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1256                                 }
1257                         if (read_ssl)
1258                                 openssl_fdset(SSL_get_fd(con),&readfds);
1259                         if (write_ssl)
1260                                 openssl_fdset(SSL_get_fd(con),&writefds);
1261 #else
1262                         if(!tty_on || !write_tty) {
1263                                 if (read_ssl)
1264                                         openssl_fdset(SSL_get_fd(con),&readfds);
1265                                 if (write_ssl)
1266                                         openssl_fdset(SSL_get_fd(con),&writefds);
1267                         }
1268 #endif
1269 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1270                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1271
1272                         /* Note: under VMS with SOCKETSHR the second parameter
1273                          * is currently of type (int *) whereas under other
1274                          * systems it is (void *) if you don't have a cast it
1275                          * will choke the compiler: if you do have a cast then
1276                          * you can either go for (int *) or (void *).
1277                          */
1278 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1279                         /* Under Windows/DOS we make the assumption that we can
1280                          * always write to the tty: therefore if we need to
1281                          * write to the tty we just fall through. Otherwise
1282                          * we timeout the select every second and see if there
1283                          * are any keypresses. Note: this is a hack, in a proper
1284                          * Windows application we wouldn't do this.
1285                          */
1286                         i=0;
1287                         if(!write_tty) {
1288                                 if(read_tty) {
1289                                         tv.tv_sec = 1;
1290                                         tv.tv_usec = 0;
1291                                         i=select(width,(void *)&readfds,(void *)&writefds,
1292                                                  NULL,&tv);
1293 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1294                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1295 #else
1296                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1297 #endif
1298                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1299                                          NULL,NULL);
1300                         }
1301 #elif defined(OPENSSL_SYS_NETWARE)
1302                         if(!write_tty) {
1303                                 if(read_tty) {
1304                                         tv.tv_sec = 1;
1305                                         tv.tv_usec = 0;
1306                                         i=select(width,(void *)&readfds,(void *)&writefds,
1307                                                 NULL,&tv);
1308                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1309                                         NULL,NULL);
1310                         }
1311 #elif defined(OPENSSL_SYS_BEOS_R5)
1312                         /* Under BeOS-R5 the situation is similar to DOS */
1313                         i=0;
1314                         stdin_set = 0;
1315                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1316                         if(!write_tty) {
1317                                 if(read_tty) {
1318                                         tv.tv_sec = 1;
1319                                         tv.tv_usec = 0;
1320                                         i=select(width,(void *)&readfds,(void *)&writefds,
1321                                                  NULL,&tv);
1322                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1323                                                 stdin_set = 1;
1324                                         if (!i && (stdin_set != 1 || !read_tty))
1325                                                 continue;
1326                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1327                                          NULL,NULL);
1328                         }
1329                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1330 #else
1331                         i=select(width,(void *)&readfds,(void *)&writefds,
1332                                  NULL,NULL);
1333 #endif
1334                         if ( i < 0)
1335                                 {
1336                                 BIO_printf(bio_err,"bad select %d\n",
1337                                 get_last_socket_error());
1338                                 goto shut;
1339                                 /* goto end; */
1340                                 }
1341                         }
1342
1343                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1344                         {
1345                         k=SSL_write(con,&(cbuf[cbuf_off]),
1346                                 (unsigned int)cbuf_len);
1347                         switch (SSL_get_error(con,k))
1348                                 {
1349                         case SSL_ERROR_NONE:
1350                                 cbuf_off+=k;
1351                                 cbuf_len-=k;
1352                                 if (k <= 0) goto end;
1353                                 /* we have done a  write(con,NULL,0); */
1354                                 if (cbuf_len <= 0)
1355                                         {
1356                                         read_tty=1;
1357                                         write_ssl=0;
1358                                         }
1359                                 else /* if (cbuf_len > 0) */
1360                                         {
1361                                         read_tty=0;
1362                                         write_ssl=1;
1363                                         }
1364                                 break;
1365                         case SSL_ERROR_WANT_WRITE:
1366                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1367                                 write_ssl=1;
1368                                 read_tty=0;
1369                                 break;
1370                         case SSL_ERROR_WANT_READ:
1371                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1372                                 write_tty=0;
1373                                 read_ssl=1;
1374                                 write_ssl=0;
1375                                 break;
1376                         case SSL_ERROR_WANT_X509_LOOKUP:
1377                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1378                                 break;
1379                         case SSL_ERROR_ZERO_RETURN:
1380                                 if (cbuf_len != 0)
1381                                         {
1382                                         BIO_printf(bio_c_out,"shutdown\n");
1383                                         ret = 0;
1384                                         goto shut;
1385                                         }
1386                                 else
1387                                         {
1388                                         read_tty=1;
1389                                         write_ssl=0;
1390                                         break;
1391                                         }
1392
1393                         case SSL_ERROR_SYSCALL:
1394                                 if ((k != 0) || (cbuf_len != 0))
1395                                         {
1396                                         BIO_printf(bio_err,"write:errno=%d\n",
1397                                                 get_last_socket_error());
1398                                         goto shut;
1399                                         }
1400                                 else
1401                                         {
1402                                         read_tty=1;
1403                                         write_ssl=0;
1404                                         }
1405                                 break;
1406                         case SSL_ERROR_SSL:
1407                                 ERR_print_errors(bio_err);
1408                                 goto shut;
1409                                 }
1410                         }
1411 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1412                 /* Assume Windows/DOS/BeOS can always write */
1413                 else if (!ssl_pending && write_tty)
1414 #else
1415                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1416 #endif
1417                         {
1418 #ifdef CHARSET_EBCDIC
1419                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1420 #endif
1421                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1422
1423                         if (i <= 0)
1424                                 {
1425                                 BIO_printf(bio_c_out,"DONE\n");
1426                                 ret = 0;
1427                                 goto shut;
1428                                 /* goto end; */
1429                                 }
1430
1431                         sbuf_len-=i;;
1432                         sbuf_off+=i;
1433                         if (sbuf_len <= 0)
1434                                 {
1435                                 read_ssl=1;
1436                                 write_tty=0;
1437                                 }
1438                         }
1439                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1440                         {
1441 #ifdef RENEG
1442 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1443 #endif
1444 #if 1
1445                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1446 #else
1447 /* Demo for pending and peek :-) */
1448                         k=SSL_read(con,sbuf,16);
1449 { char zbuf[10240];
1450 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1451 }
1452 #endif
1453
1454                         switch (SSL_get_error(con,k))
1455                                 {
1456                         case SSL_ERROR_NONE:
1457                                 if (k <= 0)
1458                                         goto end;
1459                                 sbuf_off=0;
1460                                 sbuf_len=k;
1461
1462                                 read_ssl=0;
1463                                 write_tty=1;
1464                                 break;
1465                         case SSL_ERROR_WANT_WRITE:
1466                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1467                                 write_ssl=1;
1468                                 read_tty=0;
1469                                 break;
1470                         case SSL_ERROR_WANT_READ:
1471                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1472                                 write_tty=0;
1473                                 read_ssl=1;
1474                                 if ((read_tty == 0) && (write_ssl == 0))
1475                                         write_ssl=1;
1476                                 break;
1477                         case SSL_ERROR_WANT_X509_LOOKUP:
1478                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1479                                 break;
1480                         case SSL_ERROR_SYSCALL:
1481                                 ret=get_last_socket_error();
1482                                 BIO_printf(bio_err,"read:errno=%d\n",ret);
1483                                 goto shut;
1484                         case SSL_ERROR_ZERO_RETURN:
1485                                 BIO_printf(bio_c_out,"closed\n");
1486                                 ret=0;
1487                                 goto shut;
1488                         case SSL_ERROR_SSL:
1489                                 ERR_print_errors(bio_err);
1490                                 goto shut;
1491                                 /* break; */
1492                                 }
1493                         }
1494
1495 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1496 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1497                 else if (_kbhit())
1498 #else
1499                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1500 #endif
1501 #elif defined (OPENSSL_SYS_NETWARE)
1502                 else if (_kbhit())
1503 #elif defined(OPENSSL_SYS_BEOS_R5)
1504                 else if (stdin_set)
1505 #else
1506                 else if (FD_ISSET(fileno(stdin),&readfds))
1507 #endif
1508                         {
1509                         if (crlf)
1510                                 {
1511                                 int j, lf_num;
1512
1513                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1514                                 lf_num = 0;
1515                                 /* both loops are skipped when i <= 0 */
1516                                 for (j = 0; j < i; j++)
1517                                         if (cbuf[j] == '\n')
1518                                                 lf_num++;
1519                                 for (j = i-1; j >= 0; j--)
1520                                         {
1521                                         cbuf[j+lf_num] = cbuf[j];
1522                                         if (cbuf[j] == '\n')
1523                                                 {
1524                                                 lf_num--;
1525                                                 i++;
1526                                                 cbuf[j+lf_num] = '\r';
1527                                                 }
1528                                         }
1529                                 assert(lf_num == 0);
1530                                 }
1531                         else
1532                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1533
1534                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1535                                 {
1536                                 BIO_printf(bio_err,"DONE\n");
1537                                 ret=0;
1538                                 goto shut;
1539                                 }
1540
1541                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1542                                 {
1543                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1544                                 SSL_renegotiate(con);
1545                                 cbuf_len=0;
1546                                 }
1547                         else
1548                                 {
1549                                 cbuf_len=i;
1550                                 cbuf_off=0;
1551 #ifdef CHARSET_EBCDIC
1552                                 ebcdic2ascii(cbuf, cbuf, i);
1553 #endif
1554                                 }
1555
1556                         write_ssl=1;
1557                         read_tty=0;
1558                         }
1559                 }
1560
1561         ret=0;
1562 shut:
1563         if (in_init)
1564                 print_stuff(bio_c_out,con,full_log);
1565         SSL_shutdown(con);
1566         SHUTDOWN(SSL_get_fd(con));
1567 end:
1568         if (con != NULL)
1569                 {
1570                 if (prexit != 0)
1571                         print_stuff(bio_c_out,con,1);
1572                 SSL_free(con);
1573                 }
1574         if (ctx != NULL) SSL_CTX_free(ctx);
1575         if (cert)
1576                 X509_free(cert);
1577         if (key)
1578                 EVP_PKEY_free(key);
1579         if (pass)
1580                 OPENSSL_free(pass);
1581         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1582         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1583         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1584         if (bio_c_out != NULL)
1585                 {
1586                 BIO_free(bio_c_out);
1587                 bio_c_out=NULL;
1588                 }
1589         apps_shutdown();
1590         OPENSSL_EXIT(ret);
1591         }
1592
1593
1594 static void print_stuff(BIO *bio, SSL *s, int full)
1595         {
1596         X509 *peer=NULL;
1597         char *p;
1598         static const char *space="                ";
1599         char buf[BUFSIZ];
1600         STACK_OF(X509) *sk;
1601         STACK_OF(X509_NAME) *sk2;
1602         const SSL_CIPHER *c;
1603         X509_NAME *xn;
1604         int j,i;
1605 #ifndef OPENSSL_NO_COMP
1606         const COMP_METHOD *comp, *expansion;
1607 #endif
1608
1609         if (full)
1610                 {
1611                 int got_a_chain = 0;
1612
1613                 sk=SSL_get_peer_cert_chain(s);
1614                 if (sk != NULL)
1615                         {
1616                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1617
1618                         BIO_printf(bio,"---\nCertificate chain\n");
1619                         for (i=0; i<sk_X509_num(sk); i++)
1620                                 {
1621                                 X509_NAME_oneline(X509_get_subject_name(
1622                                         sk_X509_value(sk,i)),buf,sizeof buf);
1623                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1624                                 X509_NAME_oneline(X509_get_issuer_name(
1625                                         sk_X509_value(sk,i)),buf,sizeof buf);
1626                                 BIO_printf(bio,"   i:%s\n",buf);
1627                                 if (c_showcerts)
1628                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1629                                 }
1630                         }
1631
1632                 BIO_printf(bio,"---\n");
1633                 peer=SSL_get_peer_certificate(s);
1634                 if (peer != NULL)
1635                         {
1636                         BIO_printf(bio,"Server certificate\n");
1637                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1638                                 PEM_write_bio_X509(bio,peer);
1639                         X509_NAME_oneline(X509_get_subject_name(peer),
1640                                 buf,sizeof buf);
1641                         BIO_printf(bio,"subject=%s\n",buf);
1642                         X509_NAME_oneline(X509_get_issuer_name(peer),
1643                                 buf,sizeof buf);
1644                         BIO_printf(bio,"issuer=%s\n",buf);
1645                         }
1646                 else
1647                         BIO_printf(bio,"no peer certificate available\n");
1648
1649                 sk2=SSL_get_client_CA_list(s);
1650                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1651                         {
1652                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1653                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1654                                 {
1655                                 xn=sk_X509_NAME_value(sk2,i);
1656                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1657                                 BIO_write(bio,buf,strlen(buf));
1658                                 BIO_write(bio,"\n",1);
1659                                 }
1660                         }
1661                 else
1662                         {
1663                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1664                         }
1665                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1666                 if (p != NULL)
1667                         {
1668                         /* This works only for SSL 2.  In later protocol
1669                          * versions, the client does not know what other
1670                          * ciphers (in addition to the one to be used
1671                          * in the current connection) the server supports. */
1672
1673                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1674                         j=i=0;
1675                         while (*p)
1676                                 {
1677                                 if (*p == ':')
1678                                         {
1679                                         BIO_write(bio,space,15-j%25);
1680                                         i++;
1681                                         j=0;
1682                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1683                                         }
1684                                 else
1685                                         {
1686                                         BIO_write(bio,p,1);
1687                                         j++;
1688                                         }
1689                                 p++;
1690                                 }
1691                         BIO_write(bio,"\n",1);
1692                         }
1693
1694                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1695                         BIO_number_read(SSL_get_rbio(s)),
1696                         BIO_number_written(SSL_get_wbio(s)));
1697                 }
1698         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1699         c=SSL_get_current_cipher(s);
1700         BIO_printf(bio,"%s, Cipher is %s\n",
1701                 SSL_CIPHER_get_version(c),
1702                 SSL_CIPHER_get_name(c));
1703         if (peer != NULL) {
1704                 EVP_PKEY *pktmp;
1705                 pktmp = X509_get_pubkey(peer);
1706                 BIO_printf(bio,"Server public key is %d bit\n",
1707                                                          EVP_PKEY_bits(pktmp));
1708                 EVP_PKEY_free(pktmp);
1709         }
1710 #ifndef OPENSSL_NO_COMP
1711         comp=SSL_get_current_compression(s);
1712         expansion=SSL_get_current_expansion(s);
1713         BIO_printf(bio,"Compression: %s\n",
1714                 comp ? SSL_COMP_get_name(comp) : "NONE");
1715         BIO_printf(bio,"Expansion: %s\n",
1716                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1717 #endif
1718         SSL_SESSION_print(bio,SSL_get_session(s));
1719         BIO_printf(bio,"---\n");
1720         if (peer != NULL)
1721                 X509_free(peer);
1722         /* flush, or debugging output gets mixed with http response */
1723         (void)BIO_flush(bio);
1724         }
1725
1726 #ifndef OPENSSL_NO_TLSEXT
1727
1728 static int ocsp_resp_cb(SSL *s, void *arg)
1729         {
1730         const unsigned char *p;
1731         int len;
1732         OCSP_RESPONSE *rsp;
1733         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1734         BIO_puts(arg, "OCSP response: ");
1735         if (!p)
1736                 {
1737                 BIO_puts(arg, "no response sent\n");
1738                 return 1;
1739                 }
1740         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1741         if (!rsp)
1742                 {
1743                 BIO_puts(arg, "response parse error\n");
1744                 BIO_dump_indent(arg, (char *)p, len, 4);
1745                 return 0;
1746                 }
1747         BIO_puts(arg, "\n======================================\n");
1748         OCSP_RESPONSE_print(arg, rsp, 0);
1749         BIO_puts(arg, "======================================\n");
1750         OCSP_RESPONSE_free(rsp);
1751         return 1;
1752         }
1753
1754 #endif