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_1       - just use TLSv1.1\n");
 322         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 323         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 324         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 325         BIO_printf(bio_err," -no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 326         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 327         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 328         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 329         BIO_printf(bio_err,"                 command to see what is available\n");
 330         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 331         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 332         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 333         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 334         BIO_printf(bio_err,"                 are supported.\n");
 335 #ifndef OPENSSL_NO_ENGINE
 336         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 337 #endif
 338         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 339         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 340         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 341 #ifndef OPENSSL_NO_TLSEXT
 342         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 343         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 344         BIO_printf(bio_err," -status           - request certificate status from server\n");
 345         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 346 # ifndef OPENSSL_NO_NPN
 347         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 348 # endif
 349 #endif
 350         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 351         }
 352
 353 #ifndef OPENSSL_NO_TLSEXT
 354
 355 /* This is a context that we pass to callbacks */
 356 typedef struct tlsextctx_st {
 357    BIO * biodebug;
 358    int ack;
 359 } tlsextctx;
 360
 361
 362 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 363         {
 364         tlsextctx * p = (tlsextctx *) arg;
 365         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 366         if (SSL_get_servername_type(s) != -1)
 367                 p->ack = !SSL_session_reused(s) && hn != NULL;
 368         else
 369                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 370
 371         return SSL_TLSEXT_ERR_OK;
 372         }
 373
 374 # ifndef OPENSSL_NO_NPN
 375 /* This the context that we pass to next_proto_cb */
 376 typedef struct tlsextnextprotoctx_st {
 377         unsigned char *data;
 378         unsigned short len;
 379         int status;
 380 } tlsextnextprotoctx;
 381
 382 static tlsextnextprotoctx next_proto;
 383
 384 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 385         {
 386         tlsextnextprotoctx *ctx = arg;
 387
 388         if (!c_quiet)
 389                 {
 390                 /* We can assume that |in| is syntactically valid. */
 391                 unsigned i;
 392                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 393                 for (i = 0; i < inlen; )
 394                         {
 395                         if (i)
 396                                 BIO_write(bio_c_out, ", ", 2);
 397                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 398                         i += in[i] + 1;
 399                         }
 400                 BIO_write(bio_c_out, "\n", 1);
 401                 }
 402
 403         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 404         return SSL_TLSEXT_ERR_OK;
 405         }
 406 # endif  /* ndef OPENSSL_NO_NPN */
 407 #endif
 408
 409 enum
 410 {
 411         PROTO_OFF       = 0,
 412         PROTO_SMTP,
 413         PROTO_POP3,
 414         PROTO_IMAP,
 415         PROTO_FTP,
 416         PROTO_XMPP
 417 };
 418
 419 int MAIN(int, char **);
 420
 421 int MAIN(int argc, char **argv)
 422         {
 423         unsigned int off=0, clr=0;
 424         SSL *con=NULL;
 425         int s,k,width,state=0;
 426         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 427         int cbuf_len,cbuf_off;
 428         int sbuf_len,sbuf_off;
 429         fd_set readfds,writefds;
 430         short port=PORT;
 431         int full_log=1;
 432         char *host=SSL_HOST_NAME;
 433         char *cert_file=NULL,*key_file=NULL;
 434         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 435         char *passarg = NULL, *pass = NULL;
 436         X509 *cert = NULL;
 437         EVP_PKEY *key = NULL;
 438         char *CApath=NULL,*CAfile=NULL,*cipher=NULL;
 439         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0;
 440         int crlf=0;
 441         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 442         SSL_CTX *ctx=NULL;
 443         int ret=1,in_init=1,i,nbio_test=0;
 444         int starttls_proto = PROTO_OFF;
 445         int prexit = 0;
 446         X509_VERIFY_PARAM *vpm = NULL;
 447         int badarg = 0;
 448         const SSL_METHOD *meth=NULL;
 449         int socket_type=SOCK_STREAM;
 450         BIO *sbio;
 451         char *inrand=NULL;
 452         int mbuf_len=0;
 453         struct timeval timeout, *timeoutp;
 454 #ifndef OPENSSL_NO_ENGINE
 455         char *engine_id=NULL;
 456         char *ssl_client_engine_id=NULL;
 457         ENGINE *ssl_client_engine=NULL;
 458 #endif
 459         ENGINE *e=NULL;
 460 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 461         struct timeval tv;
 462 #if defined(OPENSSL_SYS_BEOS_R5)
 463         int stdin_set = 0;
 464 #endif
 465 #endif
 466 #ifndef OPENSSL_NO_TLSEXT
 467         char *servername = NULL;
 468         tlsextctx tlsextcbp =
 469         {NULL,0};
 470 # ifndef OPENSSL_NO_NPN
 471         const char *next_proto_neg_in = NULL;
 472 # endif
 473 #endif
 474         char *sess_in = NULL;
 475         char *sess_out = NULL;
 476         struct sockaddr peer;
 477         int peerlen = sizeof(peer);
 478         int enable_timeouts = 0 ;
 479         long socket_mtu = 0;
 480 #ifndef OPENSSL_NO_JPAKE
 481         char *jpake_secret = NULL;
 482 #endif
 483
 484 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3)
 485         meth=SSLv23_client_method();
 486 #elif !defined(OPENSSL_NO_SSL3)
 487         meth=SSLv3_client_method();
 488 #elif !defined(OPENSSL_NO_SSL2)
 489         meth=SSLv2_client_method();
 490 #endif
 491
 492         apps_startup();
 493         c_Pause=0;
 494         c_quiet=0;
 495         c_ign_eof=0;
 496         c_debug=0;
 497         c_msg=0;
 498         c_showcerts=0;
 499
 500         if (bio_err == NULL)
 501                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 502
 503         if (!load_config(bio_err, NULL))
 504                 goto end;
 505
 506         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 507                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 508                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 509                 {
 510                 BIO_printf(bio_err,"out of memory\n");
 511                 goto end;
 512                 }
 513
 514         verify_depth=0;
 515         verify_error=X509_V_OK;
 516 #ifdef FIONBIO
 517         c_nbio=0;
 518 #endif
 519
 520         argc--;
 521         argv++;
 522         while (argc >= 1)
 523                 {
 524                 if      (strcmp(*argv,"-host") == 0)
 525                         {
 526                         if (--argc < 1) goto bad;
 527                         host= *(++argv);
 528                         }
 529                 else if (strcmp(*argv,"-port") == 0)
 530                         {
 531                         if (--argc < 1) goto bad;
 532                         port=atoi(*(++argv));
 533                         if (port == 0) goto bad;
 534                         }
 535                 else if (strcmp(*argv,"-connect") == 0)
 536                         {
 537                         if (--argc < 1) goto bad;
 538                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 539                                 goto bad;
 540                         }
 541                 else if (strcmp(*argv,"-verify") == 0)
 542                         {
 543                         verify=SSL_VERIFY_PEER;
 544                         if (--argc < 1) goto bad;
 545                         verify_depth=atoi(*(++argv));
 546                         BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 547                         }
 548                 else if (strcmp(*argv,"-cert") == 0)
 549                         {
 550                         if (--argc < 1) goto bad;
 551                         cert_file= *(++argv);
 552                         }
 553                 else if (strcmp(*argv,"-sess_out") == 0)
 554                         {
 555                         if (--argc < 1) goto bad;
 556                         sess_out = *(++argv);
 557                         }
 558                 else if (strcmp(*argv,"-sess_in") == 0)
 559                         {
 560                         if (--argc < 1) goto bad;
 561                         sess_in = *(++argv);
 562                         }
 563                 else if (strcmp(*argv,"-certform") == 0)
 564                         {
 565                         if (--argc < 1) goto bad;
 566                         cert_format = str2fmt(*(++argv));
 567                         }
 568                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 569                         {
 570                         if (badarg)
 571                                 goto bad;
 572                         continue;
 573                         }
 574                 else if (strcmp(*argv,"-verify_return_error") == 0)
 575                         verify_return_error = 1;
 576                 else if (strcmp(*argv,"-prexit") == 0)
 577                         prexit=1;
 578                 else if (strcmp(*argv,"-crlf") == 0)
 579                         crlf=1;
 580                 else if (strcmp(*argv,"-quiet") == 0)
 581                         {
 582                         c_quiet=1;
 583                         c_ign_eof=1;
 584                         }
 585                 else if (strcmp(*argv,"-ign_eof") == 0)
 586                         c_ign_eof=1;
 587                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 588                         c_ign_eof=0;
 589                 else if (strcmp(*argv,"-pause") == 0)
 590                         c_Pause=1;
 591                 else if (strcmp(*argv,"-debug") == 0)
 592                         c_debug=1;
 593 #ifndef OPENSSL_NO_TLSEXT
 594                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 595                         c_tlsextdebug=1;
 596                 else if (strcmp(*argv,"-status") == 0)
 597                         c_status_req=1;
 598 #endif
 599 #ifdef WATT32
 600                 else if (strcmp(*argv,"-wdebug") == 0)
 601                         dbug_init();
 602 #endif
 603                 else if (strcmp(*argv,"-msg") == 0)
 604                         c_msg=1;
 605                 else if (strcmp(*argv,"-showcerts") == 0)
 606                         c_showcerts=1;
 607                 else if (strcmp(*argv,"-nbio_test") == 0)
 608                         nbio_test=1;
 609                 else if (strcmp(*argv,"-state") == 0)
 610                         state=1;
 611 #ifndef OPENSSL_NO_PSK
 612                 else if (strcmp(*argv,"-psk_identity") == 0)
 613                         {
 614                         if (--argc < 1) goto bad;
 615                         psk_identity=*(++argv);
 616                         }
 617                 else if (strcmp(*argv,"-psk") == 0)
 618                         {
 619                         size_t j;
 620
 621                         if (--argc < 1) goto bad;
 622                         psk_key=*(++argv);
 623                         for (j = 0; j < strlen(psk_key); j++)
 624                                 {
 625                                 if (isxdigit((int)psk_key[j]))
 626                                         continue;
 627                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 628                                 goto bad;
 629                                 }
 630                         }
 631 #endif
 632 #ifndef OPENSSL_NO_SSL2
 633                 else if (strcmp(*argv,"-ssl2") == 0)
 634                         meth=SSLv2_client_method();
 635 #endif
 636 #ifndef OPENSSL_NO_SSL3
 637                 else if (strcmp(*argv,"-ssl3") == 0)
 638                         meth=SSLv3_client_method();
 639 #endif
 640 #ifndef OPENSSL_NO_TLS1
 641                 else if (strcmp(*argv,"-tls1_1") == 0)
 642                         meth=TLSv1_1_client_method();
 643                 else if (strcmp(*argv,"-tls1") == 0)
 644                         meth=TLSv1_client_method();
 645 #endif
 646 #ifndef OPENSSL_NO_DTLS1
 647                 else if (strcmp(*argv,"-dtls1") == 0)
 648                         {
 649                         meth=DTLSv1_client_method();
 650                         socket_type=SOCK_DGRAM;
 651                         }
 652                 else if (strcmp(*argv,"-timeout") == 0)
 653                         enable_timeouts=1;
 654                 else if (strcmp(*argv,"-mtu") == 0)
 655                         {
 656                         if (--argc < 1) goto bad;
 657                         socket_mtu = atol(*(++argv));
 658                         }
 659 #endif
 660                 else if (strcmp(*argv,"-bugs") == 0)
 661                         bugs=1;
 662                 else if (strcmp(*argv,"-keyform") == 0)
 663                         {
 664                         if (--argc < 1) goto bad;
 665                         key_format = str2fmt(*(++argv));
 666                         }
 667                 else if (strcmp(*argv,"-pass") == 0)
 668                         {
 669                         if (--argc < 1) goto bad;
 670                         passarg = *(++argv);
 671                         }
 672                 else if (strcmp(*argv,"-key") == 0)
 673                         {
 674                         if (--argc < 1) goto bad;
 675                         key_file= *(++argv);
 676                         }
 677                 else if (strcmp(*argv,"-reconnect") == 0)
 678                         {
 679                         reconnect=5;
 680                         }
 681                 else if (strcmp(*argv,"-CApath") == 0)
 682                         {
 683                         if (--argc < 1) goto bad;
 684                         CApath= *(++argv);
 685                         }
 686                 else if (strcmp(*argv,"-CAfile") == 0)
 687                         {
 688                         if (--argc < 1) goto bad;
 689                         CAfile= *(++argv);
 690                         }
 691                 else if (strcmp(*argv,"-no_tls1_1") == 0)
 692                         off|=SSL_OP_NO_TLSv1_1;
 693                 else if (strcmp(*argv,"-no_tls1") == 0)
 694                         off|=SSL_OP_NO_TLSv1;
 695                 else if (strcmp(*argv,"-no_ssl3") == 0)
 696                         off|=SSL_OP_NO_SSLv3;
 697                 else if (strcmp(*argv,"-no_ssl2") == 0)
 698                         off|=SSL_OP_NO_SSLv2;
 699                 else if (strcmp(*argv,"-no_comp") == 0)
 700                         { off|=SSL_OP_NO_COMPRESSION; }
 701 #ifndef OPENSSL_NO_TLSEXT
 702                 else if (strcmp(*argv,"-no_ticket") == 0)
 703                         { off|=SSL_OP_NO_TICKET; }
 704 # ifndef OPENSSL_NO_NPN
 705                 else if (strcmp(*argv,"-nextprotoneg") == 0)
 706                         {
 707                         if (--argc < 1) goto bad;
 708                         next_proto_neg_in = *(++argv);
 709                         }
 710 # endif
 711 #endif
 712                 else if (strcmp(*argv,"-serverpref") == 0)
 713                         off|=SSL_OP_CIPHER_SERVER_PREFERENCE;
 714                 else if (strcmp(*argv,"-legacy_renegotiation") == 0)
 715                         off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION;
 716                 else if (strcmp(*argv,"-legacy_server_connect") == 0)
 717                         { off|=SSL_OP_LEGACY_SERVER_CONNECT; }
 718                 else if (strcmp(*argv,"-no_legacy_server_connect") == 0)
 719                         { clr|=SSL_OP_LEGACY_SERVER_CONNECT; }
 720                 else if (strcmp(*argv,"-cipher") == 0)
 721                         {
 722                         if (--argc < 1) goto bad;
 723                         cipher= *(++argv);
 724                         }
 725 #ifdef FIONBIO
 726                 else if (strcmp(*argv,"-nbio") == 0)
 727                         { c_nbio=1; }
 728 #endif
 729                 else if (strcmp(*argv,"-starttls") == 0)
 730                         {
 731                         if (--argc < 1) goto bad;
 732                         ++argv;
 733                         if (strcmp(*argv,"smtp") == 0)
 734                                 starttls_proto = PROTO_SMTP;
 735                         else if (strcmp(*argv,"pop3") == 0)
 736                                 starttls_proto = PROTO_POP3;
 737                         else if (strcmp(*argv,"imap") == 0)
 738                                 starttls_proto = PROTO_IMAP;
 739                         else if (strcmp(*argv,"ftp") == 0)
 740                                 starttls_proto = PROTO_FTP;
 741                         else if (strcmp(*argv, "xmpp") == 0)
 742                                 starttls_proto = PROTO_XMPP;
 743                         else
 744                                 goto bad;
 745                         }
 746 #ifndef OPENSSL_NO_ENGINE
 747                 else if (strcmp(*argv,"-engine") == 0)
 748                         {
 749                         if (--argc < 1) goto bad;
 750                         engine_id = *(++argv);
 751                         }
 752                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
 753                         {
 754                         if (--argc < 1) goto bad;
 755                         ssl_client_engine_id = *(++argv);
 756                         }
 757 #endif
 758                 else if (strcmp(*argv,"-rand") == 0)
 759                         {
 760                         if (--argc < 1) goto bad;
 761                         inrand= *(++argv);
 762                         }
 763 #ifndef OPENSSL_NO_TLSEXT
 764                 else if (strcmp(*argv,"-servername") == 0)
 765                         {
 766                         if (--argc < 1) goto bad;
 767                         servername= *(++argv);
 768                         /* meth=TLSv1_client_method(); */
 769                         }
 770 #endif
 771 #ifndef OPENSSL_NO_JPAKE
 772                 else if (strcmp(*argv,"-jpake") == 0)
 773                         {
 774                         if (--argc < 1) goto bad;
 775                         jpake_secret = *++argv;
 776                         }
 777 #endif
 778                 else
 779                         {
 780                         BIO_printf(bio_err,"unknown option %s\n",*argv);
 781                         badop=1;
 782                         break;
 783                         }
 784                 argc--;
 785                 argv++;
 786                 }
 787         if (badop)
 788                 {
 789 bad:
 790                 sc_usage();
 791                 goto end;
 792                 }
 793
 794 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
 795         if (jpake_secret)
 796                 {
 797                 if (psk_key)
 798                         {
 799                         BIO_printf(bio_err,
 800                                    "Can't use JPAKE and PSK together\n");
 801                         goto end;
 802                         }
 803                 psk_identity = "JPAKE";
 804                 }
 805
 806         if (cipher)
 807                 {
 808                 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n");
 809                 goto end;
 810                 }
 811         cipher = "PSK";
 812 #endif
 813
 814         OpenSSL_add_ssl_algorithms();
 815         SSL_load_error_strings();
 816
 817 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NPN)
 818         next_proto.status = -1;
 819         if (next_proto_neg_in)
 820                 {
 821                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
 822                 if (next_proto.data == NULL)
 823                         {
 824                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
 825                         goto end;
 826                         }
 827                 }
 828         else
 829                 next_proto.data = NULL;
 830 #endif
 831
 832 #ifndef OPENSSL_NO_ENGINE
 833         e = setup_engine(bio_err, engine_id, 1);
 834         if (ssl_client_engine_id)
 835                 {
 836                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
 837                 if (!ssl_client_engine)
 838                         {
 839                         BIO_printf(bio_err,
 840                                         "Error getting client auth engine\n");
 841                         goto end;
 842                         }
 843                 }
 844
 845 #endif
 846         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
 847                 {
 848                 BIO_printf(bio_err, "Error getting password\n");
 849                 goto end;
 850                 }
 851
 852         if (key_file == NULL)
 853                 key_file = cert_file;
 854
 855
 856         if (key_file)
 857
 858                 {
 859
 860                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
 861                                "client certificate private key file");
 862                 if (!key)
 863                         {
 864                         ERR_print_errors(bio_err);
 865                         goto end;
 866                         }
 867
 868                 }
 869
 870         if (cert_file)
 871
 872                 {
 873                 cert = load_cert(bio_err,cert_file,cert_format,
 874                                 NULL, e, "client certificate file");
 875
 876                 if (!cert)
 877                         {
 878                         ERR_print_errors(bio_err);
 879                         goto end;
 880                         }
 881                 }
 882
 883         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
 884                 && !RAND_status())
 885                 {
 886                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
 887                 }
 888         if (inrand != NULL)
 889                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
 890                         app_RAND_load_files(inrand));
 891
 892         if (bio_c_out == NULL)
 893                 {
 894                 if (c_quiet && !c_debug && !c_msg)
 895                         {
 896                         bio_c_out=BIO_new(BIO_s_null());
 897                         }
 898                 else
 899                         {
 900                         if (bio_c_out == NULL)
 901                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
 902                         }
 903                 }
 904
 905         ctx=SSL_CTX_new(meth);
 906         if (ctx == NULL)
 907                 {
 908                 ERR_print_errors(bio_err);
 909                 goto end;
 910                 }
 911
 912         if (vpm)
 913                 SSL_CTX_set1_param(ctx, vpm);
 914
 915 #ifndef OPENSSL_NO_ENGINE
 916         if (ssl_client_engine)
 917                 {
 918                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
 919                         {
 920                         BIO_puts(bio_err, "Error setting client auth engine\n");
 921                         ERR_print_errors(bio_err);
 922                         ENGINE_free(ssl_client_engine);
 923                         goto end;
 924                         }
 925                 ENGINE_free(ssl_client_engine);
 926                 }
 927 #endif
 928
 929 #ifndef OPENSSL_NO_PSK
 930 #ifdef OPENSSL_NO_JPAKE
 931         if (psk_key != NULL)
 932 #else
 933         if (psk_key != NULL || jpake_secret)
 934 #endif
 935                 {
 936                 if (c_debug)
 937                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
 938                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
 939                 }
 940 #endif
 941         if (bugs)
 942                 SSL_CTX_set_options(ctx,SSL_OP_ALL|off);
 943         else
 944                 SSL_CTX_set_options(ctx,off);
 945
 946         if (clr)
 947                 SSL_CTX_clear_options(ctx, clr);
 948         /* DTLS: partial reads end up discarding unread UDP bytes :-(
 949          * Setting read ahead solves this problem.
 950          */
 951         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
 952
 953 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NPN)
 954         if (next_proto.data)
 955                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
 956 #endif
 957
 958         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
 959         if (cipher != NULL)
 960                 if(!SSL_CTX_set_cipher_list(ctx,cipher)) {
 961                 BIO_printf(bio_err,"error setting cipher list\n");
 962                 ERR_print_errors(bio_err);
 963                 goto end;
 964         }
 965 #if 0
 966         else
 967                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
 968 #endif
 969
 970         SSL_CTX_set_verify(ctx,verify,verify_callback);
 971         if (!set_cert_key_stuff(ctx,cert,key))
 972                 goto end;
 973
 974         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
 975                 (!SSL_CTX_set_default_verify_paths(ctx)))
 976                 {
 977                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
 978                 ERR_print_errors(bio_err);
 979                 /* goto end; */
 980                 }
 981
 982 #ifndef OPENSSL_NO_TLSEXT
 983         if (servername != NULL)
 984                 {
 985                 tlsextcbp.biodebug = bio_err;
 986                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
 987                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
 988                 }
 989 #endif
 990
 991         con=SSL_new(ctx);
 992         if (sess_in)
 993                 {
 994                 SSL_SESSION *sess;
 995                 BIO *stmp = BIO_new_file(sess_in, "r");
 996                 if (!stmp)
 997                         {
 998                         BIO_printf(bio_err, "Can't open session file %s\n",
 999                                                 sess_in);
1000                         ERR_print_errors(bio_err);
1001                         goto end;
1002                         }
1003                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1004                 BIO_free(stmp);
1005                 if (!sess)
1006                         {
1007                         BIO_printf(bio_err, "Can't open session file %s\n",
1008                                                 sess_in);
1009                         ERR_print_errors(bio_err);
1010                         goto end;
1011                         }
1012                 SSL_set_session(con, sess);
1013                 SSL_SESSION_free(sess);
1014                 }
1015 #ifndef OPENSSL_NO_TLSEXT
1016         if (servername != NULL)
1017                 {
1018                 if (!SSL_set_tlsext_host_name(con,servername))
1019                         {
1020                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1021                         ERR_print_errors(bio_err);
1022                         goto end;
1023                         }
1024                 }
1025 #endif
1026 #ifndef OPENSSL_NO_KRB5
1027         if (con  &&  (con->kssl_ctx = kssl_ctx_new()) != NULL)
1028                 {
1029                 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host);
1030                 }
1031 #endif  /* OPENSSL_NO_KRB5  */
1032 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1033 #if 0
1034 #ifdef TLSEXT_TYPE_opaque_prf_input
1035         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1036 #endif
1037 #endif
1038
1039 re_start:
1040
1041         if (init_client(&s,host,port,socket_type) == 0)
1042                 {
1043                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1044                 SHUTDOWN(s);
1045                 goto end;
1046                 }
1047         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1048
1049 #ifdef FIONBIO
1050         if (c_nbio)
1051                 {
1052                 unsigned long l=1;
1053                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1054                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1055                         {
1056                         ERR_print_errors(bio_err);
1057                         goto end;
1058                         }
1059                 }
1060 #endif
1061         if (c_Pause & 0x01) con->debug=1;
1062
1063         if ( SSL_version(con) == DTLS1_VERSION)
1064                 {
1065
1066                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1067                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1068                         {
1069                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1070                                 get_last_socket_error());
1071                         SHUTDOWN(s);
1072                         goto end;
1073                         }
1074
1075                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1076
1077                 if (enable_timeouts)
1078                         {
1079                         timeout.tv_sec = 0;
1080                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1081                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1082
1083                         timeout.tv_sec = 0;
1084                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1085                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1086                         }
1087
1088                 if (socket_mtu > 28)
1089                         {
1090                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1091                         SSL_set_mtu(con, socket_mtu - 28);
1092                         }
1093                 else
1094                         /* want to do MTU discovery */
1095                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1096                 }
1097         else
1098                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1099
1100         if (nbio_test)
1101                 {
1102                 BIO *test;
1103
1104                 test=BIO_new(BIO_f_nbio_test());
1105                 sbio=BIO_push(test,sbio);
1106                 }
1107
1108         if (c_debug)
1109                 {
1110                 con->debug=1;
1111                 BIO_set_callback(sbio,bio_dump_callback);
1112                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1113                 }
1114         if (c_msg)
1115                 {
1116                 SSL_set_msg_callback(con, msg_cb);
1117                 SSL_set_msg_callback_arg(con, bio_c_out);
1118                 }
1119 #ifndef OPENSSL_NO_TLSEXT
1120         if (c_tlsextdebug)
1121                 {
1122                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1123                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1124                 }
1125         if (c_status_req)
1126                 {
1127                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1128                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1129                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1130 #if 0
1131 {
1132 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1133 OCSP_RESPID *id = OCSP_RESPID_new();
1134 id->value.byKey = ASN1_OCTET_STRING_new();
1135 id->type = V_OCSP_RESPID_KEY;
1136 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1137 sk_OCSP_RESPID_push(ids, id);
1138 SSL_set_tlsext_status_ids(con, ids);
1139 }
1140 #endif
1141                 }
1142 #endif
1143 #ifndef OPENSSL_NO_JPAKE
1144         if (jpake_secret)
1145                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1146 #endif
1147
1148         SSL_set_bio(con,sbio,sbio);
1149         SSL_set_connect_state(con);
1150
1151         /* ok, lets connect */
1152         width=SSL_get_fd(con)+1;
1153
1154         read_tty=1;
1155         write_tty=0;
1156         tty_on=0;
1157         read_ssl=1;
1158         write_ssl=1;
1159
1160         cbuf_len=0;
1161         cbuf_off=0;
1162         sbuf_len=0;
1163         sbuf_off=0;
1164
1165         /* This is an ugly hack that does a lot of assumptions */
1166         /* We do have to handle multi-line responses which may come
1167            in a single packet or not. We therefore have to use
1168            BIO_gets() which does need a buffering BIO. So during
1169            the initial chitchat we do push a buffering BIO into the
1170            chain that is removed again later on to not disturb the
1171            rest of the s_client operation. */
1172         if (starttls_proto == PROTO_SMTP)
1173                 {
1174                 int foundit=0;
1175                 BIO *fbio = BIO_new(BIO_f_buffer());
1176                 BIO_push(fbio, sbio);
1177                 /* wait for multi-line response to end from SMTP */
1178                 do
1179                         {
1180                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1181                         }
1182                 while (mbuf_len>3 && mbuf[3]=='-');
1183                 /* STARTTLS command requires EHLO... */
1184                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1185                 (void)BIO_flush(fbio);
1186                 /* wait for multi-line response to end EHLO SMTP response */
1187                 do
1188                         {
1189                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1190                         if (strstr(mbuf,"STARTTLS"))
1191                                 foundit=1;
1192                         }
1193                 while (mbuf_len>3 && mbuf[3]=='-');
1194                 (void)BIO_flush(fbio);
1195                 BIO_pop(fbio);
1196                 BIO_free(fbio);
1197                 if (!foundit)
1198                         BIO_printf(bio_err,
1199                                    "didn't found starttls in server response,"
1200                                    " try anyway...\n");
1201                 BIO_printf(sbio,"STARTTLS\r\n");
1202                 BIO_read(sbio,sbuf,BUFSIZZ);
1203                 }
1204         else if (starttls_proto == PROTO_POP3)
1205                 {
1206                 BIO_read(sbio,mbuf,BUFSIZZ);
1207                 BIO_printf(sbio,"STLS\r\n");
1208                 BIO_read(sbio,sbuf,BUFSIZZ);
1209                 }
1210         else if (starttls_proto == PROTO_IMAP)
1211                 {
1212                 int foundit=0;
1213                 BIO *fbio = BIO_new(BIO_f_buffer());
1214                 BIO_push(fbio, sbio);
1215                 BIO_gets(fbio,mbuf,BUFSIZZ);
1216                 /* STARTTLS command requires CAPABILITY... */
1217                 BIO_printf(fbio,". CAPABILITY\r\n");
1218                 (void)BIO_flush(fbio);
1219                 /* wait for multi-line CAPABILITY response */
1220                 do
1221                         {
1222                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1223                         if (strstr(mbuf,"STARTTLS"))
1224                                 foundit=1;
1225                         }
1226                 while (mbuf_len>3 && mbuf[0]!='.');
1227                 (void)BIO_flush(fbio);
1228                 BIO_pop(fbio);
1229                 BIO_free(fbio);
1230                 if (!foundit)
1231                         BIO_printf(bio_err,
1232                                    "didn't found STARTTLS in server response,"
1233                                    " try anyway...\n");
1234                 BIO_printf(sbio,". STARTTLS\r\n");
1235                 BIO_read(sbio,sbuf,BUFSIZZ);
1236                 }
1237         else if (starttls_proto == PROTO_FTP)
1238                 {
1239                 BIO *fbio = BIO_new(BIO_f_buffer());
1240                 BIO_push(fbio, sbio);
1241                 /* wait for multi-line response to end from FTP */
1242                 do
1243                         {
1244                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1245                         }
1246                 while (mbuf_len>3 && mbuf[3]=='-');
1247                 (void)BIO_flush(fbio);
1248                 BIO_pop(fbio);
1249                 BIO_free(fbio);
1250                 BIO_printf(sbio,"AUTH TLS\r\n");
1251                 BIO_read(sbio,sbuf,BUFSIZZ);
1252                 }
1253         if (starttls_proto == PROTO_XMPP)
1254                 {
1255                 int seen = 0;
1256                 BIO_printf(sbio,"<stream:stream "
1257                     "xmlns:stream='http://etherx.jabber.org/streams' "
1258                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1259                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1260                 mbuf[seen] = 0;
1261                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1262                         {
1263                         if (strstr(mbuf, "/stream:features>"))
1264                                 goto shut;
1265                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1266                         mbuf[seen] = 0;
1267                         }
1268                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1269                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1270                 sbuf[seen] = 0;
1271                 if (!strstr(sbuf, "<proceed"))
1272                         goto shut;
1273                 mbuf[0] = 0;
1274                 }
1275
1276         for (;;)
1277                 {
1278                 FD_ZERO(&readfds);
1279                 FD_ZERO(&writefds);
1280
1281                 if ((SSL_version(con) == DTLS1_VERSION) &&
1282                         DTLSv1_get_timeout(con, &timeout))
1283                         timeoutp = &timeout;
1284                 else
1285                         timeoutp = NULL;
1286
1287                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1288                         {
1289                         in_init=1;
1290                         tty_on=0;
1291                         }
1292                 else
1293                         {
1294                         tty_on=1;
1295                         if (in_init)
1296                                 {
1297                                 in_init=0;
1298 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1299 #ifndef OPENSSL_NO_TLSEXT
1300                                 if (servername != NULL && !SSL_session_reused(con))
1301                                         {
1302                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1303                                         }
1304 #endif
1305 #endif
1306                                 if (sess_out)
1307                                         {
1308                                         BIO *stmp = BIO_new_file(sess_out, "w");
1309                                         if (stmp)
1310                                                 {
1311                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1312                                                 BIO_free(stmp);
1313                                                 }
1314                                         else
1315                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1316                                         }
1317                                 print_stuff(bio_c_out,con,full_log);
1318                                 if (full_log > 0) full_log--;
1319
1320                                 if (starttls_proto)
1321                                         {
1322                                         BIO_printf(bio_err,"%s",mbuf);
1323                                         /* We don't need to know any more */
1324                                         starttls_proto = PROTO_OFF;
1325                                         }
1326
1327                                 if (reconnect)
1328                                         {
1329                                         reconnect--;
1330                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1331                                         SSL_shutdown(con);
1332                                         SSL_set_connect_state(con);
1333                                         SHUTDOWN(SSL_get_fd(con));
1334                                         goto re_start;
1335                                         }
1336                                 }
1337                         }
1338
1339                 ssl_pending = read_ssl && SSL_pending(con);
1340
1341                 if (!ssl_pending)
1342                         {
1343 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1344                         if (tty_on)
1345                                 {
1346                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1347                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1348                                 }
1349                         if (read_ssl)
1350                                 openssl_fdset(SSL_get_fd(con),&readfds);
1351                         if (write_ssl)
1352                                 openssl_fdset(SSL_get_fd(con),&writefds);
1353 #else
1354                         if(!tty_on || !write_tty) {
1355                                 if (read_ssl)
1356                                         openssl_fdset(SSL_get_fd(con),&readfds);
1357                                 if (write_ssl)
1358                                         openssl_fdset(SSL_get_fd(con),&writefds);
1359                         }
1360 #endif
1361 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1362                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1363
1364                         /* Note: under VMS with SOCKETSHR the second parameter
1365                          * is currently of type (int *) whereas under other
1366                          * systems it is (void *) if you don't have a cast it
1367                          * will choke the compiler: if you do have a cast then
1368                          * you can either go for (int *) or (void *).
1369                          */
1370 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1371                         /* Under Windows/DOS we make the assumption that we can
1372                          * always write to the tty: therefore if we need to
1373                          * write to the tty we just fall through. Otherwise
1374                          * we timeout the select every second and see if there
1375                          * are any keypresses. Note: this is a hack, in a proper
1376                          * Windows application we wouldn't do this.
1377                          */
1378                         i=0;
1379                         if(!write_tty) {
1380                                 if(read_tty) {
1381                                         tv.tv_sec = 1;
1382                                         tv.tv_usec = 0;
1383                                         i=select(width,(void *)&readfds,(void *)&writefds,
1384                                                  NULL,&tv);
1385 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1386                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1387 #else
1388                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1389 #endif
1390                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1391                                          NULL,timeoutp);
1392                         }
1393 #elif defined(OPENSSL_SYS_NETWARE)
1394                         if(!write_tty) {
1395                                 if(read_tty) {
1396                                         tv.tv_sec = 1;
1397                                         tv.tv_usec = 0;
1398                                         i=select(width,(void *)&readfds,(void *)&writefds,
1399                                                 NULL,&tv);
1400                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1401                                         NULL,timeoutp);
1402                         }
1403 #elif defined(OPENSSL_SYS_BEOS_R5)
1404                         /* Under BeOS-R5 the situation is similar to DOS */
1405                         i=0;
1406                         stdin_set = 0;
1407                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1408                         if(!write_tty) {
1409                                 if(read_tty) {
1410                                         tv.tv_sec = 1;
1411                                         tv.tv_usec = 0;
1412                                         i=select(width,(void *)&readfds,(void *)&writefds,
1413                                                  NULL,&tv);
1414                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1415                                                 stdin_set = 1;
1416                                         if (!i && (stdin_set != 1 || !read_tty))
1417                                                 continue;
1418                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1419                                          NULL,timeoutp);
1420                         }
1421                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1422 #else
1423                         i=select(width,(void *)&readfds,(void *)&writefds,
1424                                  NULL,timeoutp);
1425 #endif
1426                         if ( i < 0)
1427                                 {
1428                                 BIO_printf(bio_err,"bad select %d\n",
1429                                 get_last_socket_error());
1430                                 goto shut;
1431                                 /* goto end; */
1432                                 }
1433                         }
1434
1435                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1436                         {
1437                         BIO_printf(bio_err,"TIMEOUT occured\n");
1438                         }
1439
1440                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1441                         {
1442                         k=SSL_write(con,&(cbuf[cbuf_off]),
1443                                 (unsigned int)cbuf_len);
1444                         switch (SSL_get_error(con,k))
1445                                 {
1446                         case SSL_ERROR_NONE:
1447                                 cbuf_off+=k;
1448                                 cbuf_len-=k;
1449                                 if (k <= 0) goto end;
1450                                 /* we have done a  write(con,NULL,0); */
1451                                 if (cbuf_len <= 0)
1452                                         {
1453                                         read_tty=1;
1454                                         write_ssl=0;
1455                                         }
1456                                 else /* if (cbuf_len > 0) */
1457                                         {
1458                                         read_tty=0;
1459                                         write_ssl=1;
1460                                         }
1461                                 break;
1462                         case SSL_ERROR_WANT_WRITE:
1463                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1464                                 write_ssl=1;
1465                                 read_tty=0;
1466                                 break;
1467                         case SSL_ERROR_WANT_READ:
1468                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1469                                 write_tty=0;
1470                                 read_ssl=1;
1471                                 write_ssl=0;
1472                                 break;
1473                         case SSL_ERROR_WANT_X509_LOOKUP:
1474                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1475                                 break;
1476                         case SSL_ERROR_ZERO_RETURN:
1477                                 if (cbuf_len != 0)
1478                                         {
1479                                         BIO_printf(bio_c_out,"shutdown\n");
1480                                         ret = 0;
1481                                         goto shut;
1482                                         }
1483                                 else
1484                                         {
1485                                         read_tty=1;
1486                                         write_ssl=0;
1487                                         break;
1488                                         }
1489
1490                         case SSL_ERROR_SYSCALL:
1491                                 if ((k != 0) || (cbuf_len != 0))
1492                                         {
1493                                         BIO_printf(bio_err,"write:errno=%d\n",
1494                                                 get_last_socket_error());
1495                                         goto shut;
1496                                         }
1497                                 else
1498                                         {
1499                                         read_tty=1;
1500                                         write_ssl=0;
1501                                         }
1502                                 break;
1503                         case SSL_ERROR_SSL:
1504                                 ERR_print_errors(bio_err);
1505                                 goto shut;
1506                                 }
1507                         }
1508 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1509                 /* Assume Windows/DOS/BeOS can always write */
1510                 else if (!ssl_pending && write_tty)
1511 #else
1512                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1513 #endif
1514                         {
1515 #ifdef CHARSET_EBCDIC
1516                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1517 #endif
1518                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1519
1520                         if (i <= 0)
1521                                 {
1522                                 BIO_printf(bio_c_out,"DONE\n");
1523                                 ret = 0;
1524                                 goto shut;
1525                                 /* goto end; */
1526                                 }
1527
1528                         sbuf_len-=i;;
1529                         sbuf_off+=i;
1530                         if (sbuf_len <= 0)
1531                                 {
1532                                 read_ssl=1;
1533                                 write_tty=0;
1534                                 }
1535                         }
1536                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1537                         {
1538 #ifdef RENEG
1539 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1540 #endif
1541 #if 1
1542                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1543 #else
1544 /* Demo for pending and peek :-) */
1545                         k=SSL_read(con,sbuf,16);
1546 { char zbuf[10240];
1547 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1548 }
1549 #endif
1550
1551                         switch (SSL_get_error(con,k))
1552                                 {
1553                         case SSL_ERROR_NONE:
1554                                 if (k <= 0)
1555                                         goto end;
1556                                 sbuf_off=0;
1557                                 sbuf_len=k;
1558
1559                                 read_ssl=0;
1560                                 write_tty=1;
1561                                 break;
1562                         case SSL_ERROR_WANT_WRITE:
1563                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1564                                 write_ssl=1;
1565                                 read_tty=0;
1566                                 break;
1567                         case SSL_ERROR_WANT_READ:
1568                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1569                                 write_tty=0;
1570                                 read_ssl=1;
1571                                 if ((read_tty == 0) && (write_ssl == 0))
1572                                         write_ssl=1;
1573                                 break;
1574                         case SSL_ERROR_WANT_X509_LOOKUP:
1575                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1576                                 break;
1577                         case SSL_ERROR_SYSCALL:
1578                                 ret=get_last_socket_error();
1579                                 BIO_printf(bio_err,"read:errno=%d\n",ret);
1580                                 goto shut;
1581                         case SSL_ERROR_ZERO_RETURN:
1582                                 BIO_printf(bio_c_out,"closed\n");
1583                                 ret=0;
1584                                 goto shut;
1585                         case SSL_ERROR_SSL:
1586                                 ERR_print_errors(bio_err);
1587                                 goto shut;
1588                                 /* break; */
1589                                 }
1590                         }
1591
1592 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1593 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1594                 else if (_kbhit())
1595 #else
1596                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
1597 #endif
1598 #elif defined (OPENSSL_SYS_NETWARE)
1599                 else if (_kbhit())
1600 #elif defined(OPENSSL_SYS_BEOS_R5)
1601                 else if (stdin_set)
1602 #else
1603                 else if (FD_ISSET(fileno(stdin),&readfds))
1604 #endif
1605                         {
1606                         if (crlf)
1607                                 {
1608                                 int j, lf_num;
1609
1610                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
1611                                 lf_num = 0;
1612                                 /* both loops are skipped when i <= 0 */
1613                                 for (j = 0; j < i; j++)
1614                                         if (cbuf[j] == '\n')
1615                                                 lf_num++;
1616                                 for (j = i-1; j >= 0; j--)
1617                                         {
1618                                         cbuf[j+lf_num] = cbuf[j];
1619                                         if (cbuf[j] == '\n')
1620                                                 {
1621                                                 lf_num--;
1622                                                 i++;
1623                                                 cbuf[j+lf_num] = '\r';
1624                                                 }
1625                                         }
1626                                 assert(lf_num == 0);
1627                                 }
1628                         else
1629                                 i=raw_read_stdin(cbuf,BUFSIZZ);
1630
1631                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
1632                                 {
1633                                 BIO_printf(bio_err,"DONE\n");
1634                                 ret=0;
1635                                 goto shut;
1636                                 }
1637
1638                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
1639                                 {
1640                                 BIO_printf(bio_err,"RENEGOTIATING\n");
1641                                 SSL_renegotiate(con);
1642                                 cbuf_len=0;
1643                                 }
1644                         else
1645                                 {
1646                                 cbuf_len=i;
1647                                 cbuf_off=0;
1648 #ifdef CHARSET_EBCDIC
1649                                 ebcdic2ascii(cbuf, cbuf, i);
1650 #endif
1651                                 }
1652
1653                         write_ssl=1;
1654                         read_tty=0;
1655                         }
1656                 }
1657
1658         ret=0;
1659 shut:
1660         if (in_init)
1661                 print_stuff(bio_c_out,con,full_log);
1662         SSL_shutdown(con);
1663         SHUTDOWN(SSL_get_fd(con));
1664 end:
1665         if (con != NULL)
1666                 {
1667                 if (prexit != 0)
1668                         print_stuff(bio_c_out,con,1);
1669                 SSL_free(con);
1670                 }
1671         if (ctx != NULL) SSL_CTX_free(ctx);
1672         if (cert)
1673                 X509_free(cert);
1674         if (key)
1675                 EVP_PKEY_free(key);
1676         if (pass)
1677                 OPENSSL_free(pass);
1678         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
1679         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
1680         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
1681         if (bio_c_out != NULL)
1682                 {
1683                 BIO_free(bio_c_out);
1684                 bio_c_out=NULL;
1685                 }
1686         apps_shutdown();
1687         OPENSSL_EXIT(ret);
1688         }
1689
1690
1691 static void print_stuff(BIO *bio, SSL *s, int full)
1692         {
1693         X509 *peer=NULL;
1694         char *p;
1695         static const char *space="                ";
1696         char buf[BUFSIZ];
1697         STACK_OF(X509) *sk;
1698         STACK_OF(X509_NAME) *sk2;
1699         const SSL_CIPHER *c;
1700         X509_NAME *xn;
1701         int j,i;
1702 #ifndef OPENSSL_NO_COMP
1703         const COMP_METHOD *comp, *expansion;
1704 #endif
1705
1706         if (full)
1707                 {
1708                 int got_a_chain = 0;
1709
1710                 sk=SSL_get_peer_cert_chain(s);
1711                 if (sk != NULL)
1712                         {
1713                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
1714
1715                         BIO_printf(bio,"---\nCertificate chain\n");
1716                         for (i=0; i<sk_X509_num(sk); i++)
1717                                 {
1718                                 X509_NAME_oneline(X509_get_subject_name(
1719                                         sk_X509_value(sk,i)),buf,sizeof buf);
1720                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
1721                                 X509_NAME_oneline(X509_get_issuer_name(
1722                                         sk_X509_value(sk,i)),buf,sizeof buf);
1723                                 BIO_printf(bio,"   i:%s\n",buf);
1724                                 if (c_showcerts)
1725                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
1726                                 }
1727                         }
1728
1729                 BIO_printf(bio,"---\n");
1730                 peer=SSL_get_peer_certificate(s);
1731                 if (peer != NULL)
1732                         {
1733                         BIO_printf(bio,"Server certificate\n");
1734                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
1735                                 PEM_write_bio_X509(bio,peer);
1736                         X509_NAME_oneline(X509_get_subject_name(peer),
1737                                 buf,sizeof buf);
1738                         BIO_printf(bio,"subject=%s\n",buf);
1739                         X509_NAME_oneline(X509_get_issuer_name(peer),
1740                                 buf,sizeof buf);
1741                         BIO_printf(bio,"issuer=%s\n",buf);
1742                         }
1743                 else
1744                         BIO_printf(bio,"no peer certificate available\n");
1745
1746                 sk2=SSL_get_client_CA_list(s);
1747                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
1748                         {
1749                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
1750                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
1751                                 {
1752                                 xn=sk_X509_NAME_value(sk2,i);
1753                                 X509_NAME_oneline(xn,buf,sizeof(buf));
1754                                 BIO_write(bio,buf,strlen(buf));
1755                                 BIO_write(bio,"\n",1);
1756                                 }
1757                         }
1758                 else
1759                         {
1760                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
1761                         }
1762                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
1763                 if (p != NULL)
1764                         {
1765                         /* This works only for SSL 2.  In later protocol
1766                          * versions, the client does not know what other
1767                          * ciphers (in addition to the one to be used
1768                          * in the current connection) the server supports. */
1769
1770                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
1771                         j=i=0;
1772                         while (*p)
1773                                 {
1774                                 if (*p == ':')
1775                                         {
1776                                         BIO_write(bio,space,15-j%25);
1777                                         i++;
1778                                         j=0;
1779                                         BIO_write(bio,((i%3)?" ":"\n"),1);
1780                                         }
1781                                 else
1782                                         {
1783                                         BIO_write(bio,p,1);
1784                                         j++;
1785                                         }
1786                                 p++;
1787                                 }
1788                         BIO_write(bio,"\n",1);
1789                         }
1790
1791                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
1792                         BIO_number_read(SSL_get_rbio(s)),
1793                         BIO_number_written(SSL_get_wbio(s)));
1794                 }
1795         BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, "));
1796         c=SSL_get_current_cipher(s);
1797         BIO_printf(bio,"%s, Cipher is %s\n",
1798                 SSL_CIPHER_get_version(c),
1799                 SSL_CIPHER_get_name(c));
1800         if (peer != NULL) {
1801                 EVP_PKEY *pktmp;
1802                 pktmp = X509_get_pubkey(peer);
1803                 BIO_printf(bio,"Server public key is %d bit\n",
1804                                                          EVP_PKEY_bits(pktmp));
1805                 EVP_PKEY_free(pktmp);
1806         }
1807         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
1808                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
1809 #ifndef OPENSSL_NO_COMP
1810         comp=SSL_get_current_compression(s);
1811         expansion=SSL_get_current_expansion(s);
1812         BIO_printf(bio,"Compression: %s\n",
1813                 comp ? SSL_COMP_get_name(comp) : "NONE");
1814         BIO_printf(bio,"Expansion: %s\n",
1815                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
1816 #endif
1817
1818 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NPN)
1819         if (next_proto.status != -1) {
1820                 const unsigned char *proto;
1821                 unsigned int proto_len;
1822                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
1823                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
1824                 BIO_write(bio, proto, proto_len);
1825                 BIO_write(bio, "\n", 1);
1826         }
1827 #endif
1828
1829         SSL_SESSION_print(bio,SSL_get_session(s));
1830         BIO_printf(bio,"---\n");
1831         if (peer != NULL)
1832                 X509_free(peer);
1833         /* flush, or debugging output gets mixed with http response */
1834         (void)BIO_flush(bio);
1835         }
1836
1837 #ifndef OPENSSL_NO_TLSEXT
1838
1839 static int ocsp_resp_cb(SSL *s, void *arg)
1840         {
1841         const unsigned char *p;
1842         int len;
1843         OCSP_RESPONSE *rsp;
1844         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
1845         BIO_puts(arg, "OCSP response: ");
1846         if (!p)
1847                 {
1848                 BIO_puts(arg, "no response sent\n");
1849                 return 1;
1850                 }
1851         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
1852         if (!rsp)
1853                 {
1854                 BIO_puts(arg, "response parse error\n");
1855                 BIO_dump_indent(arg, (char *)p, len, 4);
1856                 return 0;
1857                 }
1858         BIO_puts(arg, "\n======================================\n");
1859         OCSP_RESPONSE_print(arg, rsp, 0);
1860         BIO_puts(arg, "======================================\n");
1861         OCSP_RESPONSE_free(rsp);
1862         return 1;
1863         }
1864
1865 #endif