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         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 347         }
 348
 349 #ifndef OPENSSL_NO_TLSEXT
 350
 351 /* This is a context that we pass to callbacks */
 352 typedef struct tlsextctx_st {
 353    BIO * biodebug;
 354    int ack;
 355 } tlsextctx;
 356
 357
 358 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 359         {
 360         tlsextctx * p = (tlsextctx *) arg;
 361         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 362         if (SSL_get_servername_type(s) != -1)
 363                 p->ack = !SSL_session_reused(s) && hn != NULL;
 364         else
 365                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 366
 367         return SSL_TLSEXT_ERR_OK;
 368         }
 369 #endif
 370
 371 enum
 372 {
 373         PROTO_OFF       = 0,
 374         PROTO_SMTP,
 375         PROTO_POP3,
 376         PROTO_IMAP,
 377         PROTO_FTP,
 378         PROTO_XMPP
 379 };
 380
 381 int MAIN(int, char **);
 382
 383 int MAIN(int argc, char **argv)
 384         {
 385         unsigned int off=0, clr=0;
 386         SSL *con=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;
 408         X509_VERIFY_PARAM *vpm = NULL;
 409         int badarg = 0;
 410         const SSL_METHOD *meth=NULL;
 411         int socket_type=SOCK_STREAM;
 412         BIO *sbio;
 413         char *inrand=NULL;
 414         int mbuf_len=0;
 415         struct timeval timeout, *timeoutp;
 416 #ifndef OPENSSL_NO_ENGINE
 417         char *engine_id=NULL;
 418         char *ssl_client_engine_id=NULL;
 419         ENGINE *ssl_client_engine=NULL;
 420 #endif
 421         ENGINE *e=NULL;
 422 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 423         struct timeval tv;
 424 #if defined(OPENSSL_SYS_BEOS_R5)
 425         int stdin_set = 0;
 426 #endif
 427 #endif
 428 #ifndef OPENSSL_NO_TLSEXT
 429         char *servername = NULL;
 430         tlsextctx tlsextcbp =
 431         {NULL,0};
 432 #endif
 433         char *sess_in = NULL;
 434         char *sess_out = NULL;
 435         struct sockaddr peer;
 436         int peerlen = sizeof(peer);
 437         int enable_timeouts = 0 ;
 438         long socket_mtu = 0;
 439 #ifndef OPENSSL_NO_JPAKE
 440         char *jpake_secret = NULL;
 441 #endif
 442
 443         meth=SSLv23_client_method();
 444
 445         apps_startup();
 446         c_Pause=0;
 447         c_quiet=0;
 448         c_ign_eof=0;
 449         c_debug=0;
 450         c_msg=0;
 451         c_showcerts=0;
 452
 453         if (bio_err == NULL)
 454                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 455
 456         if (!load_config(bio_err, NULL))
 457                 goto end;
 458
 459         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 460                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 461                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 462                 {
 463                 BIO_printf(bio_err,"out of memory\n");
 464                 goto end;
 465                 }
 466
 467         verify_depth=0;
 468         verify_error=X509_V_OK;
 469 #ifdef FIONBIO
 470         c_nbio=0;
 471 #endif
 472
 473         argc--;
 474         argv++;
 475         while (argc >= 1)
 476                 {
 477                 if      (strcmp(*argv,"-host") == 0)
 478                         {
 479                         if (--argc < 1) goto bad;
 480                         host= *(++argv);
 481                         }
 482                 else if (strcmp(*argv,"-port") == 0)
 483                         {
 484                         if (--argc < 1) goto bad;
 485                         port=atoi(*(++argv));
 486                         if (port == 0) goto bad;
 487                         }
 488                 else if (strcmp(*argv,"-connect") == 0)
 489                         {
 490                         if (--argc < 1) goto bad;
 491                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 492                                 goto bad;
 493                         }
 494                 else if (strcmp(*argv,"-verify") == 0)
 495                         {
 496                         verify=SSL_VERIFY_PEER;
 497                         if (--argc < 1) goto bad;
 498                         verify_depth=atoi(*(++argv));
 499                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 500                         }
 501                 else if (strcmp(*argv,"-cert") == 0)
 502                         {
 503                         if (--argc < 1) goto bad;
 504                         cert_file= *(++argv);
 505                         }
 506                 else if (strcmp(*argv,"-sess_out") == 0)
 507                         {
 508                         if (--argc < 1) goto bad;
 509                         sess_out = *(++argv);
 510                         }
 511                 else if (strcmp(*argv,"-sess_in") == 0)
 512                         {
 513                         if (--argc < 1) goto bad;
 514                         sess_in = *(++argv);
 515                         }
 516                 else if (strcmp(*argv,"-certform") == 0)
 517                         {
 518                         if (--argc < 1) goto bad;
 519                         cert_format = str2fmt(*(++argv));
 520                         }
 521                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 522                         {
 523                         if (badarg)
 524                                 goto bad;
 525                         continue;
 526                         }
 527                 else if (strcmp(*argv,"-verify_return_error") == 0)
 528                         verify_return_error = 1;
 529                 else if (strcmp(*argv,"-prexit") == 0)
 530                         prexit=1;
 531                 else if (strcmp(*argv,"-crlf") == 0)
 532                         crlf=1;
 533                 else if (strcmp(*argv,"-quiet") == 0)
 534                         {
 535                         c_quiet=1;
 536                         c_ign_eof=1;
 537                         }
 538                 else if (strcmp(*argv,"-ign_eof") == 0)
 539                         c_ign_eof=1;
 540                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 541                         c_ign_eof=0;
 542                 else if (strcmp(*argv,"-pause") == 0)
 543                         c_Pause=1;
 544                 else if (strcmp(*argv,"-debug") == 0)
 545                         c_debug=1;
 546 #ifndef OPENSSL_NO_TLSEXT
 547                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 548                         c_tlsextdebug=1;
 549                 else if (strcmp(*argv,"-status") == 0)
 550                         c_status_req=1;
 551 #endif
 552 #ifdef WATT32
 553                 else if (strcmp(*argv,"-wdebug") == 0)
 554                         dbug_init();
 555 #endif
 556                 else if (strcmp(*argv,"-msg") == 0)
 557                         c_msg=1;
 558                 else if (strcmp(*argv,"-showcerts") == 0)
 559                         c_showcerts=1;
 560                 else if (strcmp(*argv,"-nbio_test") == 0)
 561                         nbio_test=1;
 562                 else if (strcmp(*argv,"-state") == 0)
 563                         state=1;
 564 #ifndef OPENSSL_NO_PSK
 565                 else if (strcmp(*argv,"-psk_identity") == 0)
 566                         {
 567                         if (--argc < 1) goto bad;
 568                         psk_identity=*(++argv);
 569                         }
 570                 else if (strcmp(*argv,"-psk") == 0)
 571                         {
 572                         size_t j;
 573
 574                         if (--argc < 1) goto bad;
 575                         psk_key=*(++argv);
 576                         for (j = 0; j < strlen(psk_key); j++)
 577                                 {
 578                                 if (isxdigit((unsigned char)psk_key[j]))
 579                                         continue;
 580                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 581                                 goto bad;
 582                                 }
 583                         }
 584 #endif
 585 #ifndef OPENSSL_NO_SSL2
 586                 else if (strcmp(*argv,"-ssl2") == 0)
 587                         meth=SSLv2_client_method();
 588 #endif
 589 #ifndef OPENSSL_NO_SSL3
 590                 else if (strcmp(*argv,"-ssl3") == 0)
 591                         meth=SSLv3_client_method();
 592 #endif
 593 #ifndef OPENSSL_NO_TLS1
 594                 else if (strcmp(*argv,"-tls1") == 0)
 595                         meth=TLSv1_client_method();
 596 #endif
 597 #ifndef OPENSSL_NO_DTLS1
 598                 else if (strcmp(*argv,"-dtls1") == 0)
 599                         {
 600                         meth=DTLSv1_client_method();
 601                         socket_type=SOCK_DGRAM;
 602                         }
 603                 else if (strcmp(*argv,"-timeout") == 0)
 604                         enable_timeouts=1;
 605                 else if (strcmp(*argv,"-mtu") == 0)
 606                         {
 607                         if (--argc < 1) goto bad;
 608                         socket_mtu = atol(*(++argv));
 609                         }
 610 #endif
 611                 else if (strcmp(*argv,"-bugs") == 0)
 612                         bugs=1;
 613                 else if (strcmp(*argv,"-keyform") == 0)
 614                         {
 615                         if (--argc < 1) goto bad;
 616                         key_format = str2fmt(*(++argv));
 617                         }
 618                 else if (strcmp(*argv,"-pass") == 0)
 619                         {
 620                         if (--argc < 1) goto bad;
 621                         passarg = *(++argv);
 622                         }
 623                 else if (strcmp(*argv,"-key") == 0)
 624                         {
 625                         if (--argc < 1) goto bad;
 626                         key_file= *(++argv);
 627                         }
 628                 else if (strcmp(*argv,"-reconnect") == 0)
 629                         {
 630                         reconnect=5;
 631                         }
 632                 else if (strcmp(*argv,"-CApath") == 0)
 633                         {
 634                         if (--argc < 1) goto bad;
 635                         CApath= *(++argv);
 636                         }
 637                 else if (strcmp(*argv,"-CAfile") == 0)
 638                         {
 639                         if (--argc < 1) goto bad;
 640                         CAfile= *(++argv);
 641                         }
 642                 else if (strcmp(*argv,"-no_tls1") == 0)
 643                         off|=SSL_OP_NO_TLSv1;
 644                 else if (strcmp(*argv,"-no_ssl3") == 0)
 645                         off|=SSL_OP_NO_SSLv3;
 646                 else if (strcmp(*argv,"-no_ssl2") == 0)
 647                         off|=SSL_OP_NO_SSLv2;
 648                 else if (strcmp(*argv,"-no_comp") == 0)
 649                         { off|=SSL_OP_NO_COMPRESSION; }
 650 #ifndef OPENSSL_NO_TLSEXT
 651                 else if (strcmp(*argv,"-no_ticket") == 0)
 652                         { off|=SSL_OP_NO_TICKET; }
 653 #endif
 654                 else if (strcmp(*argv,"-serverpref") == 0)
 655                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 656                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
 657                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
 658                 else if (strcmp(*argv,"-legacy_server_connect") == 0)
 659                         { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
 660                 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
 661                         { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
 662                 else if (strcmp(*argv,"-cipher") == 0)
 663                         {
 664                         if (--argc < 1) goto bad;
 665                         cipher= *(++argv);
 666                         }
 667 #ifdef FIONBIO
 668                 else if (strcmp(*argv,"-nbio") == 0)
 669                         { c_nbio=1; }
 670 #endif
 671                 else if (strcmp(*argv,"-starttls") == 0)
 672                         {
 673                         if (--argc < 1) goto bad;
 674                         ++argv;
 675                         if (strcmp(*argv,"smtp") == 0)
 676                                 starttls_proto = PROTO_SMTP;
 677                         else if (strcmp(*argv,"pop3") == 0)
 678                                 starttls_proto = PROTO_POP3;
 679                         else if (strcmp(*argv,"imap") == 0)
 680                                 starttls_proto = PROTO_IMAP;
 681                         else if (strcmp(*argv,"ftp") == 0)
 682                                 starttls_proto = PROTO_FTP;
 683                         else if (strcmp(*argv, "xmpp") == 0)
 684                                 starttls_proto = PROTO_XMPP;
 685                         else
 686                                 goto bad;
 687                         }
 688 #ifndef OPENSSL_NO_ENGINE
 689                 else if (strcmp(*argv,"-engine") == 0)
 690                         {
 691                         if (--argc < 1) goto bad;
 692                         engine_id = *(++argv);
 693                         }
 694                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
 695                         {
 696                         if (--argc < 1) goto bad;
 697                         ssl_client_engine_id = *(++argv);
 698                         }
 699 #endif
 700                 else if (strcmp(*argv,"-rand") == 0)
 701                         {
 702                         if (--argc < 1) goto bad;
 703                         inrand= *(++argv);
 704                         }
 705 #ifndef OPENSSL_NO_TLSEXT
 706                 else if (strcmp(*argv,"-servername") == 0)
 707                         {
 708                         if (--argc < 1) goto bad;
 709                         servername= *(++argv);
 710                         /* meth=TLSv1_client_method(); */
 711                         }
 712 #endif
 713 #ifndef OPENSSL_NO_JPAKE
 714                 else if (strcmp(*argv,"-jpake") == 0)
 715                         {
 716                         if (--argc < 1) goto bad;
 717                         jpake_secret = *++argv;
 718                         }
 719 #endif
 720                 else
 721                         {
 722                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 723                         badop=1;
 724                         break;
 725                         }
 726                 argc--;
 727                 argv++;
 728                 }
 729         if (badop)
 730                 {
 731 bad:
 732                 sc_usage();
 733                 goto end;
 734                 }
 735
 736 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 737         if (jpake_secret)
 738                 {
 739                 if (psk_key)
 740                         {
 741                         BIO_printf(bio_err,
 742                                    "Can't use JPAKE and PSK together\n");
 743                         goto end;
 744                         }
 745                 psk_identity = "JPAKE";
 746                 if (cipher)
 747                         {
 748                         BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
 749                         goto end;
 750                         }
 751                 cipher = "PSK";
 752                 }
 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
 872         if (clr)
 873                 SSL_CTX_clear_options(ctx, clr);
 874         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 875          * Setting read ahead solves this problem.
 876          */
 877         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 878
 879         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 880         if (cipher != NULL)
 881                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 882                 BIO_printf(bio_err,"error setting cipher list\n");
 883                 ERR_print_errors(bio_err);
 884                 goto end;
 885         }
 886 #if 0
 887         else
 888                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 889 #endif
 890
 891         SSL_CTX_set_verify(ctx,verify,verify_callback);
 892         if (!set_cert_key_stuff(ctx,cert,key))
 893                 goto end;
 894
 895         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 896                 (!SSL_CTX_set_default_verify_paths(ctx)))
 897                 {
 898                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 899                 ERR_print_errors(bio_err);
 900                 /* goto end; */
 901                 }
 902
 903 #ifndef OPENSSL_NO_TLSEXT
 904         if (servername != NULL)
 905                 {
 906                 tlsextcbp.biodebug = bio_err;
 907                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 908                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 909                 }
 910 #endif
 911
 912         con=SSL_new(ctx);
 913         if (sess_in)
 914                 {
 915                 SSL_SESSION *sess;
 916                 BIO *stmp = BIO_new_file(sess_in, "r");
 917                 if (!stmp)
 918                         {
 919                         BIO_printf(bio_err, "Can't open session file %s\n",
 920                                                 sess_in);
 921                         ERR_print_errors(bio_err);
 922                         goto end;
 923                         }
 924                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
 925                 BIO_free(stmp);
 926                 if (!sess)
 927                         {
 928                         BIO_printf(bio_err, "Can't open session file %s\n",
 929                                                 sess_in);
 930                         ERR_print_errors(bio_err);
 931                         goto end;
 932                         }
 933                 SSL_set_session(con, sess);
 934                 SSL_SESSION_free(sess);
 935                 }
 936 #ifndef OPENSSL_NO_TLSEXT
 937         if (servername != NULL)
 938                 {
 939                 if (!SSL_set_tlsext_host_name(con,servername))
 940                         {
 941                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
 942                         ERR_print_errors(bio_err);
 943                         goto end;
 944                         }
 945                 }
 946 #endif
 947 #ifndef OPENSSL_NO_KRB5
 948         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
 949                 {
 950                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
 951                 }
 952 #endif  /* OPENSSL_NO_KRB5  */
 953 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
 954 #if 0
 955 #ifdef TLSEXT_TYPE_opaque_prf_input
 956         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
 957 #endif
 958 #endif
 959
 960 re_start:
 961
 962         if (init_client(&s,host,port,socket_type) == 0)
 963                 {
 964                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
 965                 SHUTDOWN(s);
 966                 goto end;
 967                 }
 968         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
 969
 970 #ifdef FIONBIO
 971         if (c_nbio)
 972                 {
 973                 unsigned long l=1;
 974                 BIO_printf(bio_c_out,"turning on non blocking io\n");
 975                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
 976                         {
 977                         ERR_print_errors(bio_err);
 978                         goto end;
 979                         }
 980                 }
 981 #endif
 982         if (c_Pause & 0x01) con->debug=1;
 983
 984         if ( SSL_version(con) == DTLS1_VERSION)
 985                 {
 986
 987                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
 988                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
 989                         {
 990                         BIO_printf(bio_err, "getsockname:errno=%d\n",
 991                                 get_last_socket_error());
 992                         SHUTDOWN(s);
 993                         goto end;
 994                         }
 995
 996                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
 997
 998                 if (enable_timeouts)
 999                         {
1000                         timeout.tv_sec = 0;
1001                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1002                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1003
1004                         timeout.tv_sec = 0;
1005                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1006                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1007                         }
1008
1009                 if (socket_mtu > 28)
1010                         {
1011                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1012                         SSL_set_mtu(con, socket_mtu - 28);
1013                         }
1014                 else
1015                         /* want to do MTU discovery */
1016                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1017                 }
1018         else
1019                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1020
1021         if (nbio_test)
1022                 {
1023                 BIO *test;
1024
1025                 test=BIO_new(BIO_f_nbio_test());
1026                 sbio=BIO_push(test,sbio);
1027                 }
1028
1029         if (c_debug)
1030                 {
1031                 con->debug=1;
1032                 BIO_set_callback(sbio,bio_dump_callback);
1033                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1034                 }
1035         if (c_msg)
1036                 {
1037                 SSL_set_msg_callback(con, msg_cb);
1038                 SSL_set_msg_callback_arg(con, bio_c_out);
1039                 }
1040 #ifndef OPENSSL_NO_TLSEXT
1041         if (c_tlsextdebug)
1042                 {
1043                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1044                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1045                 }
1046         if (c_status_req)
1047                 {
1048                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1049                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1050                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1051 #if 0
1052 {
1053 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1054 OCSP_RESPID *id = OCSP_RESPID_new();
1055 id->value.byKey = ASN1_OCTET_STRING_new();
1056 id->type = V_OCSP_RESPID_KEY;
1057 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1058 sk_OCSP_RESPID_push(ids, id);
1059 SSL_set_tlsext_status_ids(con, ids);
1060 }
1061 #endif
1062                 }
1063 #endif
1064 #ifndef OPENSSL_NO_JPAKE
1065         if (jpake_secret)
1066                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1067 #endif
1068
1069         SSL_set_bio(con,sbio,sbio);
1070         SSL_set_connect_state(con);
1071
1072         /* ok, lets connect */
1073         width=SSL_get_fd(con)+1;
1074
1075         read_tty=1;
1076         write_tty=0;
1077         tty_on=0;
1078         read_ssl=1;
1079         write_ssl=1;
1080
1081         cbuf_len=0;
1082         cbuf_off=0;
1083         sbuf_len=0;
1084         sbuf_off=0;
1085
1086         /* This is an ugly hack that does a lot of assumptions */
1087         /* We do have to handle multi-line responses which may come
1088            in a single packet or not. We therefore have to use
1089            BIO_gets() which does need a buffering BIO. So during
1090            the initial chitchat we do push a buffering BIO into the
1091            chain that is removed again later on to not disturb the
1092            rest of the s_client operation. */
1093         if (starttls_proto == PROTO_SMTP)
1094                 {
1095                 int foundit=0;
1096                 BIO *fbio = BIO_new(BIO_f_buffer());
1097                 BIO_push(fbio, sbio);
1098                 /* wait for multi-line response to end from SMTP */
1099                 do
1100                         {
1101                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1102                         }
1103                 while (mbuf_len>3 && mbuf[3]=='-');
1104                 /* STARTTLS command requires EHLO... */
1105                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1106                 (void)BIO_flush(fbio);
1107                 /* wait for multi-line response to end EHLO SMTP response */
1108                 do
1109                         {
1110                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1111                         if (strstr(mbuf,"STARTTLS"))
1112                                 foundit=1;
1113                         }
1114                 while (mbuf_len>3 && mbuf[3]=='-');
1115                 (void)BIO_flush(fbio);
1116                 BIO_pop(fbio);
1117                 BIO_free(fbio);
1118                 if (!foundit)
1119                         BIO_printf(bio_err,
1120                                    "didn't found starttls in server response,"
1121                                    " try anyway...\n");
1122                 BIO_printf(sbio,"STARTTLS\r\n");
1123                 BIO_read(sbio,sbuf,BUFSIZZ);
1124                 }
1125         else if (starttls_proto == PROTO_POP3)
1126                 {
1127                 BIO_read(sbio,mbuf,BUFSIZZ);
1128                 BIO_printf(sbio,"STLS\r\n");
1129                 BIO_read(sbio,sbuf,BUFSIZZ);
1130                 }
1131         else if (starttls_proto == PROTO_IMAP)
1132                 {
1133                 int foundit=0;
1134                 BIO *fbio = BIO_new(BIO_f_buffer());
1135                 BIO_push(fbio, sbio);
1136                 BIO_gets(fbio,mbuf,BUFSIZZ);
1137                 /* STARTTLS command requires CAPABILITY... */
1138                 BIO_printf(fbio,". CAPABILITY\r\n");
1139                 (void)BIO_flush(fbio);
1140                 /* wait for multi-line CAPABILITY response */
1141                 do
1142                         {
1143                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1144                         if (strstr(mbuf,"STARTTLS"))
1145                                 foundit=1;
1146                         }
1147                 while (mbuf_len>3 && mbuf[0]!='.');
1148                 (void)BIO_flush(fbio);
1149                 BIO_pop(fbio);
1150                 BIO_free(fbio);
1151                 if (!foundit)
1152                         BIO_printf(bio_err,
1153                                    "didn't found STARTTLS in server response,"
1154                                    " try anyway...\n");
1155                 BIO_printf(sbio,". STARTTLS\r\n");
1156                 BIO_read(sbio,sbuf,BUFSIZZ);
1157                 }
1158         else if (starttls_proto == PROTO_FTP)
1159                 {
1160                 BIO *fbio = BIO_new(BIO_f_buffer());
1161                 BIO_push(fbio, sbio);
1162                 /* wait for multi-line response to end from FTP */
1163                 do
1164                         {
1165                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1166                         }
1167                 while (mbuf_len>3 && mbuf[3]=='-');
1168                 (void)BIO_flush(fbio);
1169                 BIO_pop(fbio);
1170                 BIO_free(fbio);
1171                 BIO_printf(sbio,"AUTH TLS\r\n");
1172                 BIO_read(sbio,sbuf,BUFSIZZ);
1173                 }
1174         if (starttls_proto == PROTO_XMPP)
1175                 {
1176                 int seen = 0;
1177                 BIO_printf(sbio,"<stream:stream "
1178                     "xmlns:stream='http://etherx.jabber.org/streams' "
1179                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1180                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1181                 mbuf[seen] = 0;
1182                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1183                         {
1184                         if (strstr(mbuf, "/stream:features>"))
1185                                 goto shut;
1186                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1187                         mbuf[seen] = 0;
1188                         }
1189                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1190                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1191                 sbuf[seen] = 0;
1192                 if (!strstr(sbuf, "<proceed"))
1193                         goto shut;
1194                 mbuf[0] = 0;
1195                 }
1196
1197         for (;;)
1198                 {
1199                 FD_ZERO(&readfds);
1200                 FD_ZERO(&writefds);
1201
1202                 if ((SSL_version(con) == DTLS1_VERSION) &&
1203                         DTLSv1_get_timeout(con, &timeout))
1204                         timeoutp = &timeout;
1205                 else
1206                         timeoutp = NULL;
1207
1208                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1209                         {
1210                         in_init=1;
1211                         tty_on=0;
1212                         }
1213                 else
1214                         {
1215                         tty_on=1;
1216                         if (in_init)
1217                                 {
1218                                 in_init=0;
1219 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1220 #ifndef OPENSSL_NO_TLSEXT
1221                                 if (servername != NULL && !SSL_session_reused(con))
1222                                         {
1223                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1224                                         }
1225 #endif
1226 #endif
1227                                 if (sess_out)
1228                                         {
1229                                         BIO *stmp = BIO_new_file(sess_out, "w");
1230                                         if (stmp)
1231                                                 {
1232                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1233                                                 BIO_free(stmp);
1234                                                 }
1235                                         else
1236                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1237                                         }
1238                                 print_stuff(bio_c_out,con,full_log);
1239                                 if (full_log > 0) full_log--;
1240
1241                                 if (starttls_proto)
1242                                         {
1243                                         BIO_printf(bio_err,"%s",mbuf);
1244                                         /* We don't need to know any more */
1245                                         starttls_proto = PROTO_OFF;
1246                                         }
1247
1248                                 if (reconnect)
1249                                         {
1250                                         reconnect--;
1251                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1252                                         SSL_shutdown(con);
1253                                         SSL_set_connect_state(con);
1254                                         SHUTDOWN(SSL_get_fd(con));
1255                                         goto re_start;
1256                                         }
1257                                 }
1258                         }
1259
1260                 ssl_pending = read_ssl && SSL_pending(con);
1261
1262                 if (!ssl_pending)
1263                         {
1264 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1265                         if (tty_on)
1266                                 {
1267                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1268                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1269                                 }
1270                         if (read_ssl)
1271                                 openssl_fdset(SSL_get_fd(con),&readfds);
1272                         if (write_ssl)
1273                                 openssl_fdset(SSL_get_fd(con),&writefds);
1274 #else
1275                         if(!tty_on || !write_tty) {
1276                                 if (read_ssl)
1277                                         openssl_fdset(SSL_get_fd(con),&readfds);
1278                                 if (write_ssl)
1279                                         openssl_fdset(SSL_get_fd(con),&writefds);
1280                         }
1281 #endif
1282 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1283                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1284
1285                         /* Note: under VMS with SOCKETSHR the second parameter
1286                          * is currently of type (int *) whereas under other
1287                          * systems it is (void *) if you don't have a cast it
1288                          * will choke the compiler: if you do have a cast then
1289                          * you can either go for (int *) or (void *).
1290                          */
1291 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1292                         /* Under Windows/DOS we make the assumption that we can
1293                          * always write to the tty: therefore if we need to
1294                          * write to the tty we just fall through. Otherwise
1295                          * we timeout the select every second and see if there
1296                          * are any keypresses. Note: this is a hack, in a proper
1297                          * Windows application we wouldn't do this.
1298                          */
1299                         i=0;
1300                         if(!write_tty) {
1301                                 if(read_tty) {
1302                                         tv.tv_sec = 1;
1303                                         tv.tv_usec = 0;
1304                                         i=select(width,(void *)&readfds,(void *)&writefds,
1305                                                  NULL,&tv);
1306 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1307                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1308 #else
1309                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1310 #endif
1311                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1312                                          NULL,timeoutp);
1313                         }
1314 #elif defined(OPENSSL_SYS_NETWARE)
1315                         if(!write_tty) {
1316                                 if(read_tty) {
1317                                         tv.tv_sec = 1;
1318                                         tv.tv_usec = 0;
1319                                         i=select(width,(void *)&readfds,(void *)&writefds,
1320                                                 NULL,&tv);
1321                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1322                                         NULL,timeoutp);
1323                         }
1324 #elif defined(OPENSSL_SYS_BEOS_R5)
1325                         /* Under BeOS-R5 the situation is similar to DOS */
1326                         i=0;
1327                         stdin_set = 0;
1328                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1329                         if(!write_tty) {
1330                                 if(read_tty) {
1331                                         tv.tv_sec = 1;
1332                                         tv.tv_usec = 0;
1333                                         i=select(width,(void *)&readfds,(void *)&writefds,
1334                                                  NULL,&tv);
1335                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1336                                                 stdin_set = 1;
1337                                         if (!i && (stdin_set != 1 || !read_tty))
1338                                                 continue;
1339                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1340                                          NULL,timeoutp);
1341                         }
1342                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1343 #else
1344                         i=select(width,(void *)&readfds,(void *)&writefds,
1345                                  NULL,timeoutp);
1346 #endif
1347                         if ( i < 0)
1348                                 {
1349                                 BIO_printf(bio_err,"bad select %d\n",
1350                                 get_last_socket_error());
1351                                 goto shut;
1352                                 /* goto end; */
1353                                 }
1354                         }
1355
1356                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1357                         {
1358                         BIO_printf(bio_err,"TIMEOUT occured\n");
1359                         }
1360
1361                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1362                         {
1363                         k=SSL_write(con,&(cbuf[cbuf_off]),
1364                                 (unsigned int)cbuf_len);
1365                         switch (SSL_get_error(con,k))
1366                                 {
1367                         case SSL_ERROR_NONE:
1368                                 cbuf_off+=k;
1369                                 cbuf_len-=k;
1370                                 if (k <= 0) goto end;
1371                                 /* we have done a  write(con,NULL,0); */
1372                                 if (cbuf_len <= 0)
1373                                         {
1374                                         read_tty=1;
1375                                         write_ssl=0;
1376                                         }
1377                                 else /* if (cbuf_len > 0) */
1378                                         {
1379                                         read_tty=0;
1380                                         write_ssl=1;
1381                                         }
1382                                 break;
1383                         case SSL_ERROR_WANT_WRITE:
1384                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1385                                 write_ssl=1;
1386                                 read_tty=0;
1387                                 break;
1388                         case SSL_ERROR_WANT_READ:
1389                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1390                                 write_tty=0;
1391                                 read_ssl=1;
1392                                 write_ssl=0;
1393                                 break;
1394                         case SSL_ERROR_WANT_X509_LOOKUP:
1395                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1396                                 break;
1397                         case SSL_ERROR_ZERO_RETURN:
1398                                 if (cbuf_len != 0)
1399                                         {
1400                                         BIO_printf(bio_c_out,"shutdown\n");
1401                                         ret = 0;
1402                                         goto shut;
1403                                         }
1404                                 else
1405                                         {
1406                                         read_tty=1;
1407                                         write_ssl=0;
1408                                         break;
1409                                         }
1410
1411                         case SSL_ERROR_SYSCALL:
1412                                 if ((k != 0) || (cbuf_len != 0))
1413                                         {
1414                                         BIO_printf(bio_err,"write:errno=%d\n",
1415                                                 get_last_socket_error());
1416                                         goto shut;
1417                                         }
1418                                 else
1419                                         {
1420                                         read_tty=1;
1421                                         write_ssl=0;
1422                                         }
1423                                 break;
1424                         case SSL_ERROR_SSL:
1425                                 ERR_print_errors(bio_err);
1426                                 goto shut;
1427                                 }
1428                         }
1429 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1430                 /* Assume Windows/DOS/BeOS can always write */
1431                 else if (!ssl_pending && write_tty)
1432 #else
1433                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1434 #endif
1435                         {
1436 #ifdef CHARSET_EBCDIC
1437                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1438 #endif
1439                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1440
1441                         if (i <= 0)
1442                                 {
1443                                 BIO_printf(bio_c_out,"DONE\n");
1444                                 ret = 0;
1445                                 goto shut;
1446                                 /* goto end; */
1447                                 }
1448
1449                         sbuf_len-=i;;
1450                         sbuf_off+=i;
1451                         if (sbuf_len <= 0)
1452                                 {
1453                                 read_ssl=1;
1454                                 write_tty=0;
1455                                 }
1456                         }
1457                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1458                         {
1459 #ifdef RENEG
1460 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1461 #endif
1462 #if 1
1463                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1464 #else
1465 /* Demo for pending and peek :-) */
1466                         k=SSL_read(con,sbuf,16);
1467 { char zbuf[10240];
1468 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1469 }
1470 #endif
1471
1472                         switch (SSL_get_error(con,k))
1473                                 {
1474                         case SSL_ERROR_NONE:
1475                                 if (k <= 0)
1476                                         goto end;
1477                                 sbuf_off=0;
1478                                 sbuf_len=k;
1479
1480                                 read_ssl=0;
1481                                 write_tty=1;
1482                                 break;
1483                         case SSL_ERROR_WANT_WRITE:
1484                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1485                                 write_ssl=1;
1486                                 read_tty=0;
1487                                 break;
1488                         case SSL_ERROR_WANT_READ:
1489                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1490                                 write_tty=0;
1491                                 read_ssl=1;
1492                                 if ((read_tty == 0) && (write_ssl == 0))
1493                                         write_ssl=1;
1494                                 break;
1495                         case SSL_ERROR_WANT_X509_LOOKUP:
1496                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1497                                 break;
1498                         case SSL_ERROR_SYSCALL:
1499                                 ret=get_last_socket_error();
1500                                 BIO_printf(bio_err,"read:errno=%d\n",ret);
1501                                 goto shut;
1502                         case SSL_ERROR_ZERO_RETURN:
1503                                 BIO_printf(bio_c_out,"closed\n");
1504                                 ret=0;
1505                                 goto shut;
1506                         case SSL_ERROR_SSL:
1507                                 ERR_print_errors(bio_err);
1508                                 goto shut;
1509                                 /* break; */
1510                                 }
1511                         }
1512
1513 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1514 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1515                 else if (_kbhit())
1516 #else
1517                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1518 #endif
1519 #elif defined (OPENSSL_SYS_NETWARE)
1520                 else if (_kbhit())
1521 #elif defined(OPENSSL_SYS_BEOS_R5)
1522                 else if (stdin_set)
1523 #else
1524                 else if (FD_ISSET(fileno(stdin),&readfds))
1525 #endif
1526                         {
1527                         if (crlf)
1528                                 {
1529                                 int j, lf_num;
1530
1531                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1532                                 lf_num = 0;
1533                                 /* both loops are skipped when i <= 0 */
1534                                 for (j = 0; j < i; j++)
1535                                         if (cbuf[j] == '\n')
1536                                                 lf_num++;
1537                                 for (j = i-1; j >= 0; j--)
1538                                         {
1539                                         cbuf[j+lf_num] = cbuf[j];
1540                                         if (cbuf[j] == '\n')
1541                                                 {
1542                                                 lf_num--;
1543                                                 i++;
1544                                                 cbuf[j+lf_num] = '\r';
1545                                                 }
1546                                         }
1547                                 assert(lf_num == 0);
1548                                 }
1549                         else
1550                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1551
1552                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1553                                 {
1554                                 BIO_printf(bio_err,"DONE\n");
1555                                 ret=0;
1556                                 goto shut;
1557                                 }
1558
1559                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1560                                 {
1561                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1562                                 SSL_renegotiate(con);
1563                                 cbuf_len=0;
1564                                 }
1565                         else
1566                                 {
1567                                 cbuf_len=i;
1568                                 cbuf_off=0;
1569 #ifdef CHARSET_EBCDIC
1570                                 ebcdic2ascii(cbuf, cbuf, i);
1571 #endif
1572                                 }
1573
1574                         write_ssl=1;
1575                         read_tty=0;
1576                         }
1577                 }
1578
1579         ret=0;
1580 shut:
1581         if (in_init)
1582                 print_stuff(bio_c_out,con,full_log);
1583         SSL_shutdown(con);
1584         SHUTDOWN(SSL_get_fd(con));
1585 end:
1586         if (con != NULL)
1587                 {
1588                 if (prexit != 0)
1589                         print_stuff(bio_c_out,con,1);
1590                 SSL_free(con);
1591                 }
1592         if (ctx != NULL) SSL_CTX_free(ctx);
1593         if (cert)
1594                 X509_free(cert);
1595         if (key)
1596                 EVP_PKEY_free(key);
1597         if (pass)
1598                 OPENSSL_free(pass);
1599         if (vpm)
1600                 X509_VERIFY_PARAM_free(vpm);
1601         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1602         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1603         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1604         if (bio_c_out != NULL)
1605                 {
1606                 BIO_free(bio_c_out);
1607                 bio_c_out=NULL;
1608                 }
1609         apps_shutdown();
1610         OPENSSL_EXIT(ret);
1611         }
1612
1613
1614 static void print_stuff(BIO *bio, SSL *s, int full)
1615         {
1616         X509 *peer=NULL;
1617         char *p;
1618         static const char *space="                ";
1619         char buf[BUFSIZ];
1620         STACK_OF(X509) *sk;
1621         STACK_OF(X509_NAME) *sk2;
1622         const SSL_CIPHER *c;
1623         X509_NAME *xn;
1624         int j,i;
1625 #ifndef OPENSSL_NO_COMP
1626         const COMP_METHOD *comp, *expansion;
1627 #endif
1628
1629         if (full)
1630                 {
1631                 int got_a_chain = 0;
1632
1633                 sk=SSL_get_peer_cert_chain(s);
1634                 if (sk != NULL)
1635                         {
1636                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1637
1638                         BIO_printf(bio,"---\nCertificate chain\n");
1639                         for (i=0; i<sk_X509_num(sk); i++)
1640                                 {
1641                                 X509_NAME_oneline(X509_get_subject_name(
1642                                         sk_X509_value(sk,i)),buf,sizeof buf);
1643                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1644                                 X509_NAME_oneline(X509_get_issuer_name(
1645                                         sk_X509_value(sk,i)),buf,sizeof buf);
1646                                 BIO_printf(bio,"   i:%s\n",buf);
1647                                 if (c_showcerts)
1648                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1649                                 }
1650                         }
1651
1652                 BIO_printf(bio,"---\n");
1653                 peer=SSL_get_peer_certificate(s);
1654                 if (peer != NULL)
1655                         {
1656                         BIO_printf(bio,"Server certificate\n");
1657                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1658                                 PEM_write_bio_X509(bio,peer);
1659                         X509_NAME_oneline(X509_get_subject_name(peer),
1660                                 buf,sizeof buf);
1661                         BIO_printf(bio,"subject=%s\n",buf);
1662                         X509_NAME_oneline(X509_get_issuer_name(peer),
1663                                 buf,sizeof buf);
1664                         BIO_printf(bio,"issuer=%s\n",buf);
1665                         }
1666                 else
1667                         BIO_printf(bio,"no peer certificate available\n");
1668
1669                 sk2=SSL_get_client_CA_list(s);
1670                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1671                         {
1672                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1673                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1674                                 {
1675                                 xn=sk_X509_NAME_value(sk2,i);
1676                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1677                                 BIO_write(bio,buf,strlen(buf));
1678                                 BIO_write(bio,"\n",1);
1679                                 }
1680                         }
1681                 else
1682                         {
1683                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1684                         }
1685                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1686                 if (p != NULL)
1687                         {
1688                         /* This works only for SSL 2.  In later protocol
1689                          * versions, the client does not know what other
1690                          * ciphers (in addition to the one to be used
1691                          * in the current connection) the server supports. */
1692
1693                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1694                         j=i=0;
1695                         while (*p)
1696                                 {
1697                                 if (*p == ':')
1698                                         {
1699                                         BIO_write(bio,space,15-j%25);
1700                                         i++;
1701                                         j=0;
1702                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1703                                         }
1704                                 else
1705                                         {
1706                                         BIO_write(bio,p,1);
1707                                         j++;
1708                                         }
1709                                 p++;
1710                                 }
1711                         BIO_write(bio,"\n",1);
1712                         }
1713
1714                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1715                         BIO_number_read(SSL_get_rbio(s)),
1716                         BIO_number_written(SSL_get_wbio(s)));
1717                 }
1718         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1719         c=SSL_get_current_cipher(s);
1720         BIO_printf(bio,"%s, Cipher is %s\n",
1721                 SSL_CIPHER_get_version(c),
1722                 SSL_CIPHER_get_name(c));
1723         if (peer != NULL) {
1724                 EVP_PKEY *pktmp;
1725                 pktmp = X509_get_pubkey(peer);
1726                 BIO_printf(bio,"Server public key is %d bit\n",
1727                                                          EVP_PKEY_bits(pktmp));
1728                 EVP_PKEY_free(pktmp);
1729         }
1730         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1731                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1732 #ifndef OPENSSL_NO_COMP
1733         comp=SSL_get_current_compression(s);
1734         expansion=SSL_get_current_expansion(s);
1735         BIO_printf(bio,"Compression: %s\n",
1736                 comp ? SSL_COMP_get_name(comp) : "NONE");
1737         BIO_printf(bio,"Expansion: %s\n",
1738                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1739 #endif
1740         SSL_SESSION_print(bio,SSL_get_session(s));
1741         BIO_printf(bio,"---\n");
1742         if (peer != NULL)
1743                 X509_free(peer);
1744         /* flush, or debugging output gets mixed with http response */
1745         (void)BIO_flush(bio);
1746         }
1747
1748 #ifndef OPENSSL_NO_TLSEXT
1749
1750 static int ocsp_resp_cb(SSL *s, void *arg)
1751         {
1752         const unsigned char *p;
1753         int len;
1754         OCSP_RESPONSE *rsp;
1755         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1756         BIO_puts(arg, "OCSP response: ");
1757         if (!p)
1758                 {
1759                 BIO_puts(arg, "no response sent\n");
1760                 return 1;
1761                 }
1762         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1763         if (!rsp)
1764                 {
1765                 BIO_puts(arg, "response parse error\n");
1766                 BIO_dump_indent(arg, (char *)p, len, 4);
1767                 return 0;
1768                 }
1769         BIO_puts(arg, "\n======================================\n");
1770         OCSP_RESPONSE_print(arg, rsp, 0);
1771         BIO_puts(arg, "======================================\n");
1772         OCSP_RESPONSE_free(rsp);
1773         return 1;
1774         }
1775
1776 #endif