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 #ifndef OPENSSL_NO_SRP
 167 #include <openssl/srp.h>
 168 #endif
 169 #include "s_apps.h"
 170 #include "timeouts.h"
 171
 172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 174 #undef FIONBIO
 175 #endif
 176
 177 #if defined(OPENSSL_SYS_BEOS_R5)
 178 #include <fcntl.h>
 179 #endif
 180
 181 #undef PROG
 182 #define PROG    s_client_main
 183
 184 /*#define SSL_HOST_NAME "www.netscape.com" */
 185 /*#define SSL_HOST_NAME "193.118.187.102" */
 186 #define SSL_HOST_NAME   "localhost"
 187
 188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 189
 190 #undef BUFSIZZ
 191 #define BUFSIZZ 1024*8
 192
 193 extern int verify_depth;
 194 extern int verify_error;
 195 extern int verify_return_error;
 196 extern int verify_quiet;
 197
 198 #ifdef FIONBIO
 199 static int c_nbio=0;
 200 #endif
 201 static int c_Pause=0;
 202 static int c_debug=0;
 203 #ifndef OPENSSL_NO_TLSEXT
 204 static int c_tlsextdebug=0;
 205 static int c_status_req=0;
 206 static int c_proof_debug=0;
 207 #endif
 208 static int c_msg=0;
 209 static int c_showcerts=0;
 210
 211 static char *keymatexportlabel=NULL;
 212 static int keymatexportlen=20;
 213
 214 static void sc_usage(void);
 215 static void print_stuff(BIO *berr,SSL *con,int full);
 216 #ifndef OPENSSL_NO_TLSEXT
 217 static int ocsp_resp_cb(SSL *s, void *arg);
 218 static int audit_proof_cb(SSL *s, void *arg);
 219 #endif
 220 static BIO *bio_c_out=NULL;
 221 static BIO *bio_c_msg=NULL;
 222 static int c_quiet=0;
 223 static int c_ign_eof=0;
 224 static int c_brief=0;
 225
 226 #ifndef OPENSSL_NO_PSK
 227 /* Default PSK identity and key */
 228 static char *psk_identity="Client_identity";
 229 /*char *psk_key=NULL;  by default PSK is not used */
 230
 231 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 232         unsigned int max_identity_len, unsigned char *psk,
 233         unsigned int max_psk_len)
 234         {
 235         unsigned int psk_len = 0;
 236         int ret;
 237         BIGNUM *bn=NULL;
 238
 239         if (c_debug)
 240                 BIO_printf(bio_c_out, "psk_client_cb\n");
 241         if (!hint)
 242                 {
 243                 /* no ServerKeyExchange message*/
 244                 if (c_debug)
 245                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 246                 }
 247         else if (c_debug)
 248                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 249
 250         /* lookup PSK identity and PSK key based on the given identity hint here */
 251         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 252         if (ret < 0 || (unsigned int)ret > max_identity_len)
 253                 goto out_err;
 254         if (c_debug)
 255                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 256         ret=BN_hex2bn(&bn, psk_key);
 257         if (!ret)
 258                 {
 259                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 260                 if (bn)
 261                         BN_free(bn);
 262                 return 0;
 263                 }
 264
 265         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 266                 {
 267                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 268                         max_psk_len, BN_num_bytes(bn));
 269                 BN_free(bn);
 270                 return 0;
 271                 }
 272
 273         psk_len=BN_bn2bin(bn, psk);
 274         BN_free(bn);
 275         if (psk_len == 0)
 276                 goto out_err;
 277
 278         if (c_debug)
 279                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 280
 281         return psk_len;
 282  out_err:
 283         if (c_debug)
 284                 BIO_printf(bio_err, "Error in PSK client callback\n");
 285         return 0;
 286         }
 287 #endif
 288
 289 static void sc_usage(void)
 290         {
 291         BIO_printf(bio_err,"usage: s_client args\n");
 292         BIO_printf(bio_err,"\n");
 293         BIO_printf(bio_err," -host host     - use -connect instead\n");
 294         BIO_printf(bio_err," -port port     - use -connect instead\n");
 295         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 296         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 297         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 298         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 299         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 300         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 301         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 302         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 303         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 304         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 305         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 306         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 307         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 308         BIO_printf(bio_err," -debug        - extra output\n");
 309 #ifdef WATT32
 310         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 311 #endif
 312         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 313         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 314         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 315 #ifdef FIONBIO
 316         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 317 #endif
 318         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 319         BIO_printf(bio_err," -quiet        - no s_client output\n");
 320         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 321         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 322 #ifndef OPENSSL_NO_PSK
 323         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 324         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 325 # ifndef OPENSSL_NO_JPAKE
 326         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 327 # endif
 328 #endif
 329 #ifndef OPENSSL_NO_SRP
 330         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 331         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 332         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 333         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 334         BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
 335 #endif
 336         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 337         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 338         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 339         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 340         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 341         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 342         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 343         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 344         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 345         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 346         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 347         BIO_printf(bio_err,"                 command to see what is available\n");
 348         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 349         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 350         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 351         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 352         BIO_printf(bio_err,"                 are supported.\n");
 353 #ifndef OPENSSL_NO_ENGINE
 354         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 355 #endif
 356         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 357         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 358         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 359 #ifndef OPENSSL_NO_TLSEXT
 360         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 361         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 362         BIO_printf(bio_err," -status           - request certificate status from server\n");
 363         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 364         BIO_printf(bio_err," -proof_debug      - request an audit proof and print its hex dump\n");
 365 # ifndef OPENSSL_NO_NEXTPROTONEG
 366         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 367         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 368 # endif
 369 #ifndef OPENSSL_NO_TLSEXT
 370         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 371 #endif
 372 #endif
 373         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 374         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 375         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 376         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 377         }
 378
 379 #ifndef OPENSSL_NO_TLSEXT
 380
 381 /* This is a context that we pass to callbacks */
 382 typedef struct tlsextctx_st {
 383    BIO * biodebug;
 384    int ack;
 385 } tlsextctx;
 386
 387
 388 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 389         {
 390         tlsextctx * p = (tlsextctx *) arg;
 391         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 392         if (SSL_get_servername_type(s) != -1)
 393                 p->ack = !SSL_session_reused(s) && hn != NULL;
 394         else
 395                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 396
 397         return SSL_TLSEXT_ERR_OK;
 398         }
 399
 400 #ifndef OPENSSL_NO_SRP
 401
 402 /* This is a context that we pass to all callbacks */
 403 typedef struct srp_arg_st
 404         {
 405         char *srppassin;
 406         char *srplogin;
 407         int msg;   /* copy from c_msg */
 408         int debug; /* copy from c_debug */
 409         int amp;   /* allow more groups */
 410         int strength /* minimal size for N */ ;
 411         } SRP_ARG;
 412
 413 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 414
 415 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
 416         {
 417         BN_CTX *bn_ctx = BN_CTX_new();
 418         BIGNUM *p = BN_new();
 419         BIGNUM *r = BN_new();
 420         int ret =
 421                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 422                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 423                 p != NULL && BN_rshift1(p, N) &&
 424
 425                 /* p = (N-1)/2 */
 426                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 427                 r != NULL &&
 428
 429                 /* verify g^((N-1)/2) == -1 (mod N) */
 430                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 431                 BN_add_word(r, 1) &&
 432                 BN_cmp(r, N) == 0;
 433
 434         if(r)
 435                 BN_free(r);
 436         if(p)
 437                 BN_free(p);
 438         if(bn_ctx)
 439                 BN_CTX_free(bn_ctx);
 440         return ret;
 441         }
 442
 443 /* This callback is used here for two purposes:
 444    - extended debugging
 445    - making some primality tests for unknown groups
 446    The callback is only called for a non default group.
 447
 448    An application does not need the call back at all if
 449    only the stanard groups are used.  In real life situations,
 450    client and server already share well known groups,
 451    thus there is no need to verify them.
 452    Furthermore, in case that a server actually proposes a group that
 453    is not one of those defined in RFC 5054, it is more appropriate
 454    to add the group to a static list and then compare since
 455    primality tests are rather cpu consuming.
 456 */
 457
 458 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 459         {
 460         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 461         BIGNUM *N = NULL, *g = NULL;
 462         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 463                 return 0;
 464         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 465                 {
 466                 BIO_printf(bio_err, "SRP parameters:\n");
 467                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 468                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 469                 BIO_printf(bio_err,"\n");
 470                 }
 471
 472         if (SRP_check_known_gN_param(g,N))
 473                 return 1;
 474
 475         if (srp_arg->amp == 1)
 476                 {
 477                 if (srp_arg->debug)
 478                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 479
 480 /* The srp_moregroups is a real debugging feature.
 481    Implementors should rather add the value to the known ones.
 482    The minimal size has already been tested.
 483 */
 484                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 485                         return 1;
 486                 }
 487         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 488         return 0;
 489         }
 490
 491 #define PWD_STRLEN 1024
 492
 493 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 494         {
 495         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 496         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 497         PW_CB_DATA cb_tmp;
 498         int l;
 499
 500         cb_tmp.password = (char *)srp_arg->srppassin;
 501         cb_tmp.prompt_info = "SRP user";
 502         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 503                 {
 504                 BIO_printf (bio_err, "Can't read Password\n");
 505                 OPENSSL_free(pass);
 506                 return NULL;
 507                 }
 508         *(pass+l)= '\0';
 509
 510         return pass;
 511         }
 512
 513 #endif
 514         char *srtp_profiles = NULL;
 515
 516 # ifndef OPENSSL_NO_NEXTPROTONEG
 517 /* This the context that we pass to next_proto_cb */
 518 typedef struct tlsextnextprotoctx_st {
 519         unsigned char *data;
 520         unsigned short len;
 521         int status;
 522 } tlsextnextprotoctx;
 523
 524 static tlsextnextprotoctx next_proto;
 525
 526 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 527         {
 528         tlsextnextprotoctx *ctx = arg;
 529
 530         if (!c_quiet)
 531                 {
 532                 /* We can assume that |in| is syntactically valid. */
 533                 unsigned i;
 534                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 535                 for (i = 0; i < inlen; )
 536                         {
 537                         if (i)
 538                                 BIO_write(bio_c_out, ", ", 2);
 539                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 540                         i += in[i] + 1;
 541                         }
 542                 BIO_write(bio_c_out, "\n", 1);
 543                 }
 544
 545         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 546         return SSL_TLSEXT_ERR_OK;
 547         }
 548 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 549
 550 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
 551                              const unsigned char* in, unsigned short inlen,
 552                              int* al, void* arg)
 553         {
 554         char pem_name[100];
 555         unsigned char ext_buf[4 + 65536];
 556
 557         /* Reconstruct the type/len fields prior to extension data */
 558         ext_buf[0] = ext_type >> 8;
 559         ext_buf[1] = ext_type & 0xFF;
 560         ext_buf[2] = inlen >> 8;
 561         ext_buf[3] = inlen & 0xFF;
 562         memcpy(ext_buf+4, in, inlen);
 563
 564         BIO_snprintf(pem_name, sizeof(pem_name), "SERVER_INFO %d", ext_type);
 565         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 566         return 1;
 567         }
 568
 569 #endif
 570
 571 enum
 572 {
 573         PROTO_OFF       = 0,
 574         PROTO_SMTP,
 575         PROTO_POP3,
 576         PROTO_IMAP,
 577         PROTO_FTP,
 578         PROTO_XMPP
 579 };
 580
 581 int MAIN(int, char **);
 582
 583 int MAIN(int argc, char **argv)
 584         {
 585         int build_chain = 0;
 586         SSL *con=NULL;
 587 #ifndef OPENSSL_NO_KRB5
 588         KSSL_CTX *kctx;
 589 #endif
 590         int s,k,width,state=0;
 591         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 592         int cbuf_len,cbuf_off;
 593         int sbuf_len,sbuf_off;
 594         fd_set readfds,writefds;
 595         short port=PORT;
 596         int full_log=1;
 597         char *host=SSL_HOST_NAME;
 598         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 599         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 600         char *passarg = NULL, *pass = NULL;
 601         X509 *cert = NULL;
 602         EVP_PKEY *key = NULL;
 603         STACK_OF(X509) *chain = NULL;
 604         char *CApath=NULL,*CAfile=NULL;
 605         char *chCApath=NULL,*chCAfile=NULL;
 606         char *vfyCApath=NULL,*vfyCAfile=NULL;
 607         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 608         int crlf=0;
 609         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 610         SSL_CTX *ctx=NULL;
 611         int ret=1,in_init=1,i,nbio_test=0;
 612         int starttls_proto = PROTO_OFF;
 613         int prexit = 0;
 614         X509_VERIFY_PARAM *vpm = NULL;
 615         int badarg = 0;
 616         const SSL_METHOD *meth=NULL;
 617         int socket_type=SOCK_STREAM;
 618         BIO *sbio;
 619         char *inrand=NULL;
 620         int mbuf_len=0;
 621         struct timeval timeout, *timeoutp;
 622 #ifndef OPENSSL_NO_ENGINE
 623         char *engine_id=NULL;
 624         char *ssl_client_engine_id=NULL;
 625         ENGINE *ssl_client_engine=NULL;
 626 #endif
 627         ENGINE *e=NULL;
 628 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 629         struct timeval tv;
 630 #if defined(OPENSSL_SYS_BEOS_R5)
 631         int stdin_set = 0;
 632 #endif
 633 #endif
 634 #ifndef OPENSSL_NO_TLSEXT
 635         char *servername = NULL;
 636         tlsextctx tlsextcbp =
 637         {NULL,0};
 638 # ifndef OPENSSL_NO_NEXTPROTONEG
 639         const char *next_proto_neg_in = NULL;
 640         const char *alpn_in = NULL;
 641 # endif
 642 # define MAX_SI_TYPES 100
 643         unsigned short serverinfo_types[MAX_SI_TYPES];
 644         int serverinfo_types_count = 0;
 645 #endif
 646         char *sess_in = NULL;
 647         char *sess_out = NULL;
 648         struct sockaddr peer;
 649         int peerlen = sizeof(peer);
 650         int enable_timeouts = 0 ;
 651         long socket_mtu = 0;
 652 #ifndef OPENSSL_NO_JPAKE
 653 static char *jpake_secret = NULL;
 654 #define no_jpake !jpake_secret
 655 #else
 656 #define no_jpake 1
 657 #endif
 658 #ifndef OPENSSL_NO_SRP
 659         char * srppass = NULL;
 660         int srp_lateuser = 0;
 661         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 662 #endif
 663         SSL_EXCERT *exc = NULL;
 664
 665         SSL_CONF_CTX *cctx = NULL;
 666         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 667
 668         char *crl_file = NULL;
 669         int crl_format = FORMAT_PEM;
 670         int crl_download = 0;
 671         STACK_OF(X509_CRL) *crls = NULL;
 672
 673         meth=SSLv23_client_method();
 674
 675         apps_startup();
 676         c_Pause=0;
 677         c_quiet=0;
 678         c_ign_eof=0;
 679         c_debug=0;
 680         c_msg=0;
 681         c_showcerts=0;
 682
 683         if (bio_err == NULL)
 684                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 685
 686         if (!load_config(bio_err, NULL))
 687                 goto end;
 688         cctx = SSL_CONF_CTX_new();
 689         if (!cctx)
 690                 goto end;
 691         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 692         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 693
 694         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 695                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 696                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 697                 {
 698                 BIO_printf(bio_err,"out of memory\n");
 699                 goto end;
 700                 }
 701
 702         verify_depth=0;
 703         verify_error=X509_V_OK;
 704 #ifdef FIONBIO
 705         c_nbio=0;
 706 #endif
 707
 708         argc--;
 709         argv++;
 710         while (argc >= 1)
 711                 {
 712                 if      (strcmp(*argv,"-host") == 0)
 713                         {
 714                         if (--argc < 1) goto bad;
 715                         host= *(++argv);
 716                         }
 717                 else if (strcmp(*argv,"-port") == 0)
 718                         {
 719                         if (--argc < 1) goto bad;
 720                         port=atoi(*(++argv));
 721                         if (port == 0) goto bad;
 722                         }
 723                 else if (strcmp(*argv,"-connect") == 0)
 724                         {
 725                         if (--argc < 1) goto bad;
 726                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 727                                 goto bad;
 728                         }
 729                 else if (strcmp(*argv,"-verify") == 0)
 730                         {
 731                         verify=SSL_VERIFY_PEER;
 732                         if (--argc < 1) goto bad;
 733                         verify_depth=atoi(*(++argv));
 734                         if (!c_quiet)
 735                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 736                         }
 737                 else if (strcmp(*argv,"-cert") == 0)
 738                         {
 739                         if (--argc < 1) goto bad;
 740                         cert_file= *(++argv);
 741                         }
 742                 else if (strcmp(*argv,"-CRL") == 0)
 743                         {
 744                         if (--argc < 1) goto bad;
 745                         crl_file= *(++argv);
 746                         }
 747                 else if (strcmp(*argv,"-crl_download") == 0)
 748                         crl_download = 1;
 749                 else if (strcmp(*argv,"-sess_out") == 0)
 750                         {
 751                         if (--argc < 1) goto bad;
 752                         sess_out = *(++argv);
 753                         }
 754                 else if (strcmp(*argv,"-sess_in") == 0)
 755                         {
 756                         if (--argc < 1) goto bad;
 757                         sess_in = *(++argv);
 758                         }
 759                 else if (strcmp(*argv,"-certform") == 0)
 760                         {
 761                         if (--argc < 1) goto bad;
 762                         cert_format = str2fmt(*(++argv));
 763                         }
 764                 else if (strcmp(*argv,"-CRLform") == 0)
 765                         {
 766                         if (--argc < 1) goto bad;
 767                         crl_format = str2fmt(*(++argv));
 768                         }
 769                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 770                         {
 771                         if (badarg)
 772                                 goto bad;
 773                         continue;
 774                         }
 775                 else if (strcmp(*argv,"-verify_return_error") == 0)
 776                         verify_return_error = 1;
 777                 else if (strcmp(*argv,"-verify_quiet") == 0)
 778                         verify_quiet = 1;
 779                 else if (strcmp(*argv,"-brief") == 0)
 780                         {
 781                         c_brief = 1;
 782                         verify_quiet = 1;
 783                         c_quiet = 1;
 784                         }
 785                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 786                         {
 787                         if (badarg)
 788                                 goto bad;
 789                         continue;
 790                         }
 791                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 792                         {
 793                         if (badarg)
 794                                 goto bad;
 795                         continue;
 796                         }
 797                 else if (strcmp(*argv,"-prexit") == 0)
 798                         prexit=1;
 799                 else if (strcmp(*argv,"-crlf") == 0)
 800                         crlf=1;
 801                 else if (strcmp(*argv,"-quiet") == 0)
 802                         {
 803                         c_quiet=1;
 804                         c_ign_eof=1;
 805                         }
 806                 else if (strcmp(*argv,"-ign_eof") == 0)
 807                         c_ign_eof=1;
 808                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 809                         c_ign_eof=0;
 810                 else if (strcmp(*argv,"-pause") == 0)
 811                         c_Pause=1;
 812                 else if (strcmp(*argv,"-debug") == 0)
 813                         c_debug=1;
 814 #ifndef OPENSSL_NO_TLSEXT
 815                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 816                         c_tlsextdebug=1;
 817                 else if (strcmp(*argv,"-status") == 0)
 818                         c_status_req=1;
 819                 else if (strcmp(*argv,"-proof_debug") == 0)
 820                         c_proof_debug=1;
 821 #endif
 822 #ifdef WATT32
 823                 else if (strcmp(*argv,"-wdebug") == 0)
 824                         dbug_init();
 825 #endif
 826                 else if (strcmp(*argv,"-msg") == 0)
 827                         c_msg=1;
 828                 else if (strcmp(*argv,"-msgfile") == 0)
 829                         {
 830                         if (--argc < 1) goto bad;
 831                         bio_c_msg = BIO_new_file(*(++argv), "w");
 832                         }
 833 #ifndef OPENSSL_NO_SSL_TRACE
 834                 else if (strcmp(*argv,"-trace") == 0)
 835                         c_msg=2;
 836 #endif
 837                 else if (strcmp(*argv,"-showcerts") == 0)
 838                         c_showcerts=1;
 839                 else if (strcmp(*argv,"-nbio_test") == 0)
 840                         nbio_test=1;
 841                 else if (strcmp(*argv,"-state") == 0)
 842                         state=1;
 843 #ifndef OPENSSL_NO_PSK
 844                 else if (strcmp(*argv,"-psk_identity") == 0)
 845                         {
 846                         if (--argc < 1) goto bad;
 847                         psk_identity=*(++argv);
 848                         }
 849                 else if (strcmp(*argv,"-psk") == 0)
 850                         {
 851                         size_t j;
 852
 853                         if (--argc < 1) goto bad;
 854                         psk_key=*(++argv);
 855                         for (j = 0; j < strlen(psk_key); j++)
 856                                 {
 857                                 if (isxdigit((unsigned char)psk_key[j]))
 858                                         continue;
 859                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 860                                 goto bad;
 861                                 }
 862                         }
 863 #endif
 864 #ifndef OPENSSL_NO_SRP
 865                 else if (strcmp(*argv,"-srpuser") == 0)
 866                         {
 867                         if (--argc < 1) goto bad;
 868                         srp_arg.srplogin= *(++argv);
 869                         meth=TLSv1_client_method();
 870                         }
 871                 else if (strcmp(*argv,"-srppass") == 0)
 872                         {
 873                         if (--argc < 1) goto bad;
 874                         srppass= *(++argv);
 875                         meth=TLSv1_client_method();
 876                         }
 877                 else if (strcmp(*argv,"-srp_strength") == 0)
 878                         {
 879                         if (--argc < 1) goto bad;
 880                         srp_arg.strength=atoi(*(++argv));
 881                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 882                         meth=TLSv1_client_method();
 883                         }
 884                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 885                         {
 886                         srp_lateuser= 1;
 887                         meth=TLSv1_client_method();
 888                         }
 889                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 890                         {
 891                         srp_arg.amp=1;
 892                         meth=TLSv1_client_method();
 893                         }
 894 #endif
 895 #ifndef OPENSSL_NO_SSL2
 896                 else if (strcmp(*argv,"-ssl2") == 0)
 897                         meth=SSLv2_client_method();
 898 #endif
 899 #ifndef OPENSSL_NO_SSL3
 900                 else if (strcmp(*argv,"-ssl3") == 0)
 901                         meth=SSLv3_client_method();
 902 #endif
 903 #ifndef OPENSSL_NO_TLS1
 904                 else if (strcmp(*argv,"-tls1_2") == 0)
 905                         meth=TLSv1_2_client_method();
 906                 else if (strcmp(*argv,"-tls1_1") == 0)
 907                         meth=TLSv1_1_client_method();
 908                 else if (strcmp(*argv,"-tls1") == 0)
 909                         meth=TLSv1_client_method();
 910 #endif
 911 #ifndef OPENSSL_NO_DTLS1
 912                 else if (strcmp(*argv,"-dtls") == 0)
 913                         {
 914                         meth=DTLS_client_method();
 915                         socket_type=SOCK_DGRAM;
 916                         }
 917                 else if (strcmp(*argv,"-dtls1") == 0)
 918                         {
 919                         meth=DTLSv1_client_method();
 920                         socket_type=SOCK_DGRAM;
 921                         }
 922                 else if (strcmp(*argv,"-dtls1_2") == 0)
 923                         {
 924                         meth=DTLSv1_2_client_method();
 925                         socket_type=SOCK_DGRAM;
 926                         }
 927                 else if (strcmp(*argv,"-timeout") == 0)
 928                         enable_timeouts=1;
 929                 else if (strcmp(*argv,"-mtu") == 0)
 930                         {
 931                         if (--argc < 1) goto bad;
 932                         socket_mtu = atol(*(++argv));
 933                         }
 934 #endif
 935                 else if (strcmp(*argv,"-keyform") == 0)
 936                         {
 937                         if (--argc < 1) goto bad;
 938                         key_format = str2fmt(*(++argv));
 939                         }
 940                 else if (strcmp(*argv,"-pass") == 0)
 941                         {
 942                         if (--argc < 1) goto bad;
 943                         passarg = *(++argv);
 944                         }
 945                 else if (strcmp(*argv,"-cert_chain") == 0)
 946                         {
 947                         if (--argc < 1) goto bad;
 948                         chain_file= *(++argv);
 949                         }
 950                 else if (strcmp(*argv,"-key") == 0)
 951                         {
 952                         if (--argc < 1) goto bad;
 953                         key_file= *(++argv);
 954                         }
 955                 else if (strcmp(*argv,"-reconnect") == 0)
 956                         {
 957                         reconnect=5;
 958                         }
 959                 else if (strcmp(*argv,"-CApath") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         CApath= *(++argv);
 963                         }
 964                 else if (strcmp(*argv,"-chainCApath") == 0)
 965                         {
 966                         if (--argc < 1) goto bad;
 967                         chCApath= *(++argv);
 968                         }
 969                 else if (strcmp(*argv,"-verifyCApath") == 0)
 970                         {
 971                         if (--argc < 1) goto bad;
 972                         vfyCApath= *(++argv);
 973                         }
 974                 else if (strcmp(*argv,"-build_chain") == 0)
 975                         build_chain = 1;
 976                 else if (strcmp(*argv,"-CAfile") == 0)
 977                         {
 978                         if (--argc < 1) goto bad;
 979                         CAfile= *(++argv);
 980                         }
 981                 else if (strcmp(*argv,"-chainCAfile") == 0)
 982                         {
 983                         if (--argc < 1) goto bad;
 984                         chCAfile= *(++argv);
 985                         }
 986                 else if (strcmp(*argv,"-verifyCAfile") == 0)
 987                         {
 988                         if (--argc < 1) goto bad;
 989                         vfyCAfile= *(++argv);
 990                         }
 991 #ifndef OPENSSL_NO_TLSEXT
 992 # ifndef OPENSSL_NO_NEXTPROTONEG
 993                 else if (strcmp(*argv,"-nextprotoneg") == 0)
 994                         {
 995                         if (--argc < 1) goto bad;
 996                         next_proto_neg_in = *(++argv);
 997                         }
 998                 else if (strcmp(*argv,"-alpn") == 0)
 999                         {
1000                         if (--argc < 1) goto bad;
1001                         alpn_in = *(++argv);
1002                         }
1003 # endif
1004                 else if (strcmp(*argv,"-serverinfo") == 0)
1005                         {
1006                         char *c;
1007                         int start = 0;
1008                         int len;
1009
1010                         if (--argc < 1) goto bad;
1011                         c = *(++argv);
1012                         serverinfo_types_count = 0;
1013                         len = strlen(c);
1014                         for (i = 0; i <= len; ++i)
1015                                 {
1016                                 if (i == len || c[i] == ',')
1017                                         {
1018                                         serverinfo_types[serverinfo_types_count]
1019                                             = atoi(c+start);
1020                                         serverinfo_types_count++;
1021                                         start = i+1;
1022                                         }
1023                                 if (serverinfo_types_count == MAX_SI_TYPES)
1024                                         break;
1025                                 }
1026                         }
1027 #endif
1028 #ifdef FIONBIO
1029                 else if (strcmp(*argv,"-nbio") == 0)
1030                         { c_nbio=1; }
1031 #endif
1032                 else if (strcmp(*argv,"-starttls") == 0)
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         ++argv;
1036                         if (strcmp(*argv,"smtp") == 0)
1037                                 starttls_proto = PROTO_SMTP;
1038                         else if (strcmp(*argv,"pop3") == 0)
1039                                 starttls_proto = PROTO_POP3;
1040                         else if (strcmp(*argv,"imap") == 0)
1041                                 starttls_proto = PROTO_IMAP;
1042                         else if (strcmp(*argv,"ftp") == 0)
1043                                 starttls_proto = PROTO_FTP;
1044                         else if (strcmp(*argv, "xmpp") == 0)
1045                                 starttls_proto = PROTO_XMPP;
1046                         else
1047                                 goto bad;
1048                         }
1049 #ifndef OPENSSL_NO_ENGINE
1050                 else if (strcmp(*argv,"-engine") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         engine_id = *(++argv);
1054                         }
1055                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         ssl_client_engine_id = *(++argv);
1059                         }
1060 #endif
1061                 else if (strcmp(*argv,"-rand") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         inrand= *(++argv);
1065                         }
1066 #ifndef OPENSSL_NO_TLSEXT
1067                 else if (strcmp(*argv,"-servername") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         servername= *(++argv);
1071                         /* meth=TLSv1_client_method(); */
1072                         }
1073 #endif
1074 #ifndef OPENSSL_NO_JPAKE
1075                 else if (strcmp(*argv,"-jpake") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         jpake_secret = *++argv;
1079                         }
1080 #endif
1081                 else if (strcmp(*argv,"-use_srtp") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         srtp_profiles = *(++argv);
1085                         }
1086                 else if (strcmp(*argv,"-keymatexport") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         keymatexportlabel= *(++argv);
1090                         }
1091                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         keymatexportlen=atoi(*(++argv));
1095                         if (keymatexportlen == 0) goto bad;
1096                         }
1097                 else
1098                         {
1099                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1100                         badop=1;
1101                         break;
1102                         }
1103                 argc--;
1104                 argv++;
1105                 }
1106         if (badop)
1107                 {
1108 bad:
1109                 sc_usage();
1110                 goto end;
1111                 }
1112
1113 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1114         if (jpake_secret)
1115                 {
1116                 if (psk_key)
1117                         {
1118                         BIO_printf(bio_err,
1119                                    "Can't use JPAKE and PSK together\n");
1120                         goto end;
1121                         }
1122                 psk_identity = "JPAKE";
1123                 }
1124 #endif
1125
1126         OpenSSL_add_ssl_algorithms();
1127         SSL_load_error_strings();
1128
1129 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1130         next_proto.status = -1;
1131         if (next_proto_neg_in)
1132                 {
1133                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1134                 if (next_proto.data == NULL)
1135                         {
1136                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1137                         goto end;
1138                         }
1139                 }
1140         else
1141                 next_proto.data = NULL;
1142 #endif
1143
1144 #ifndef OPENSSL_NO_ENGINE
1145         e = setup_engine(bio_err, engine_id, 1);
1146         if (ssl_client_engine_id)
1147                 {
1148                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1149                 if (!ssl_client_engine)
1150                         {
1151                         BIO_printf(bio_err,
1152                                         "Error getting client auth engine\n");
1153                         goto end;
1154                         }
1155                 }
1156
1157 #endif
1158         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1159                 {
1160                 BIO_printf(bio_err, "Error getting password\n");
1161                 goto end;
1162                 }
1163
1164         if (key_file == NULL)
1165                 key_file = cert_file;
1166
1167
1168         if (key_file)
1169
1170                 {
1171
1172                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1173                                "client certificate private key file");
1174                 if (!key)
1175                         {
1176                         ERR_print_errors(bio_err);
1177                         goto end;
1178                         }
1179
1180                 }
1181
1182         if (cert_file)
1183
1184                 {
1185                 cert = load_cert(bio_err,cert_file,cert_format,
1186                                 NULL, e, "client certificate file");
1187
1188                 if (!cert)
1189                         {
1190                         ERR_print_errors(bio_err);
1191                         goto end;
1192                         }
1193                 }
1194
1195         if (chain_file)
1196                 {
1197                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1198                                         NULL, e, "client certificate chain");
1199                 if (!chain)
1200                         goto end;
1201                 }
1202
1203         if (crl_file)
1204                 {
1205                 X509_CRL *crl;
1206                 crl = load_crl(crl_file, crl_format);
1207                 if (!crl)
1208                         {
1209                         BIO_puts(bio_err, "Error loading CRL\n");
1210                         ERR_print_errors(bio_err);
1211                         goto end;
1212                         }
1213                 crls = sk_X509_CRL_new_null();
1214                 if (!crls || !sk_X509_CRL_push(crls, crl))
1215                         {
1216                         BIO_puts(bio_err, "Error adding CRL\n");
1217                         ERR_print_errors(bio_err);
1218                         X509_CRL_free(crl);
1219                         goto end;
1220                         }
1221                 }
1222
1223         if (!load_excert(&exc, bio_err))
1224                 goto end;
1225
1226         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1227                 && !RAND_status())
1228                 {
1229                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1230                 }
1231         if (inrand != NULL)
1232                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1233                         app_RAND_load_files(inrand));
1234
1235         if (bio_c_out == NULL)
1236                 {
1237                 if (c_quiet && !c_debug)
1238                         {
1239                         bio_c_out=BIO_new(BIO_s_null());
1240                         if (c_msg && !bio_c_msg)
1241                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1242                         }
1243                 else
1244                         {
1245                         if (bio_c_out == NULL)
1246                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1247                         }
1248                 }
1249
1250 #ifndef OPENSSL_NO_SRP
1251         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1252                 {
1253                 BIO_printf(bio_err, "Error getting password\n");
1254                 goto end;
1255                 }
1256 #endif
1257
1258         ctx=SSL_CTX_new(meth);
1259         if (ctx == NULL)
1260                 {
1261                 ERR_print_errors(bio_err);
1262                 goto end;
1263                 }
1264
1265         if (vpm)
1266                 SSL_CTX_set1_param(ctx, vpm);
1267
1268         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1269                 {
1270                 ERR_print_errors(bio_err);
1271                 goto end;
1272                 }
1273
1274         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1275                                                 crls, crl_download))
1276                 {
1277                 BIO_printf(bio_err, "Error loading store locations\n");
1278                 ERR_print_errors(bio_err);
1279                 goto end;
1280                 }
1281
1282 #ifndef OPENSSL_NO_ENGINE
1283         if (ssl_client_engine)
1284                 {
1285                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1286                         {
1287                         BIO_puts(bio_err, "Error setting client auth engine\n");
1288                         ERR_print_errors(bio_err);
1289                         ENGINE_free(ssl_client_engine);
1290                         goto end;
1291                         }
1292                 ENGINE_free(ssl_client_engine);
1293                 }
1294 #endif
1295
1296 #ifndef OPENSSL_NO_PSK
1297 #ifdef OPENSSL_NO_JPAKE
1298         if (psk_key != NULL)
1299 #else
1300         if (psk_key != NULL || jpake_secret)
1301 #endif
1302                 {
1303                 if (c_debug)
1304                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1305                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1306                 }
1307         if (srtp_profiles != NULL)
1308                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1309 #endif
1310         if (exc) ssl_ctx_set_excert(ctx, exc);
1311         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1312          * Setting read ahead solves this problem.
1313          */
1314         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1315
1316 #if !defined(OPENSSL_NO_TLSEXT)
1317 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1318         if (next_proto.data)
1319                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1320 # endif
1321         if (alpn_in)
1322                 {
1323                 unsigned short alpn_len;
1324                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1325
1326                 if (alpn == NULL)
1327                         {
1328                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1329                         goto end;
1330                         }
1331                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1332                 }
1333 #endif
1334 #ifndef OPENSSL_NO_TLSEXT
1335                 if (serverinfo_types_count)
1336                         {
1337                         for (i = 0; i < serverinfo_types_count; i++)
1338                                 {
1339                                 SSL_CTX_set_custom_cli_ext(ctx,
1340                                                            serverinfo_types[i],
1341                                                            NULL,
1342                                                            serverinfo_cli_cb,
1343                                                            NULL);
1344                                 }
1345                         }
1346 #endif
1347
1348         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1349 #if 0
1350         else
1351                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1352 #endif
1353
1354         SSL_CTX_set_verify(ctx,verify,verify_callback);
1355
1356         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1357                 (!SSL_CTX_set_default_verify_paths(ctx)))
1358                 {
1359                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1360                 ERR_print_errors(bio_err);
1361                 /* goto end; */
1362                 }
1363
1364         ssl_ctx_add_crls(ctx, crls, crl_download);
1365
1366         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1367                 goto end;
1368
1369 #ifndef OPENSSL_NO_TLSEXT
1370         if (servername != NULL)
1371                 {
1372                 tlsextcbp.biodebug = bio_err;
1373                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1374                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1375                 }
1376 #ifndef OPENSSL_NO_SRP
1377         if (srp_arg.srplogin)
1378                 {
1379                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1380                         {
1381                         BIO_printf(bio_err,"Unable to set SRP username\n");
1382                         goto end;
1383                         }
1384                 srp_arg.msg = c_msg;
1385                 srp_arg.debug = c_debug ;
1386                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1387                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1388                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1389                 if (c_msg || c_debug || srp_arg.amp == 0)
1390                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1391                 }
1392
1393 #endif
1394         if (c_proof_debug)
1395                 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1396                                                                audit_proof_cb);
1397 #endif
1398
1399         con=SSL_new(ctx);
1400         if (sess_in)
1401                 {
1402                 SSL_SESSION *sess;
1403                 BIO *stmp = BIO_new_file(sess_in, "r");
1404                 if (!stmp)
1405                         {
1406                         BIO_printf(bio_err, "Can't open session file %s\n",
1407                                                 sess_in);
1408                         ERR_print_errors(bio_err);
1409                         goto end;
1410                         }
1411                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1412                 BIO_free(stmp);
1413                 if (!sess)
1414                         {
1415                         BIO_printf(bio_err, "Can't open session file %s\n",
1416                                                 sess_in);
1417                         ERR_print_errors(bio_err);
1418                         goto end;
1419                         }
1420                 SSL_set_session(con, sess);
1421                 SSL_SESSION_free(sess);
1422                 }
1423 #ifndef OPENSSL_NO_TLSEXT
1424         if (servername != NULL)
1425                 {
1426                 if (!SSL_set_tlsext_host_name(con,servername))
1427                         {
1428                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1429                         ERR_print_errors(bio_err);
1430                         goto end;
1431                         }
1432                 }
1433 #endif
1434 #ifndef OPENSSL_NO_KRB5
1435         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1436                 {
1437                 SSL_set0_kssl_ctx(con, kctx);
1438                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1439                 }
1440 #endif  /* OPENSSL_NO_KRB5  */
1441 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1442 #if 0
1443 #ifdef TLSEXT_TYPE_opaque_prf_input
1444         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1445 #endif
1446 #endif
1447
1448 re_start:
1449
1450         if (init_client(&s,host,port,socket_type) == 0)
1451                 {
1452                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1453                 SHUTDOWN(s);
1454                 goto end;
1455                 }
1456         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1457
1458 #ifdef FIONBIO
1459         if (c_nbio)
1460                 {
1461                 unsigned long l=1;
1462                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1463                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1464                         {
1465                         ERR_print_errors(bio_err);
1466                         goto end;
1467                         }
1468                 }
1469 #endif
1470         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1471
1472         if (socket_type == SOCK_DGRAM)
1473                 {
1474
1475                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1476                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1477                         {
1478                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1479                                 get_last_socket_error());
1480                         SHUTDOWN(s);
1481                         goto end;
1482                         }
1483
1484                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1485
1486                 if (enable_timeouts)
1487                         {
1488                         timeout.tv_sec = 0;
1489                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1490                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1491
1492                         timeout.tv_sec = 0;
1493                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1494                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1495                         }
1496
1497                 if (socket_mtu > 28)
1498                         {
1499                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1500                         SSL_set_mtu(con, socket_mtu - 28);
1501                         }
1502                 else
1503                         /* want to do MTU discovery */
1504                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1505                 }
1506         else
1507                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1508
1509         if (nbio_test)
1510                 {
1511                 BIO *test;
1512
1513                 test=BIO_new(BIO_f_nbio_test());
1514                 sbio=BIO_push(test,sbio);
1515                 }
1516
1517         if (c_debug)
1518                 {
1519                 SSL_set_debug(con, 1);
1520                 BIO_set_callback(sbio,bio_dump_callback);
1521                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1522                 }
1523         if (c_msg)
1524                 {
1525 #ifndef OPENSSL_NO_SSL_TRACE
1526                 if (c_msg == 2)
1527                         SSL_set_msg_callback(con, SSL_trace);
1528                 else
1529 #endif
1530                         SSL_set_msg_callback(con, msg_cb);
1531                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1532                 }
1533 #ifndef OPENSSL_NO_TLSEXT
1534         if (c_tlsextdebug)
1535                 {
1536                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1537                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1538                 }
1539         if (c_status_req)
1540                 {
1541                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1542                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1543                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1544 #if 0
1545 {
1546 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1547 OCSP_RESPID *id = OCSP_RESPID_new();
1548 id->value.byKey = ASN1_OCTET_STRING_new();
1549 id->type = V_OCSP_RESPID_KEY;
1550 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1551 sk_OCSP_RESPID_push(ids, id);
1552 SSL_set_tlsext_status_ids(con, ids);
1553 }
1554 #endif
1555                 }
1556 #endif
1557 #ifndef OPENSSL_NO_JPAKE
1558         if (jpake_secret)
1559                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1560 #endif
1561
1562         SSL_set_bio(con,sbio,sbio);
1563         SSL_set_connect_state(con);
1564
1565         /* ok, lets connect */
1566         width=SSL_get_fd(con)+1;
1567
1568         read_tty=1;
1569         write_tty=0;
1570         tty_on=0;
1571         read_ssl=1;
1572         write_ssl=1;
1573
1574         cbuf_len=0;
1575         cbuf_off=0;
1576         sbuf_len=0;
1577         sbuf_off=0;
1578
1579         /* This is an ugly hack that does a lot of assumptions */
1580         /* We do have to handle multi-line responses which may come
1581            in a single packet or not. We therefore have to use
1582            BIO_gets() which does need a buffering BIO. So during
1583            the initial chitchat we do push a buffering BIO into the
1584            chain that is removed again later on to not disturb the
1585            rest of the s_client operation. */
1586         if (starttls_proto == PROTO_SMTP)
1587                 {
1588                 int foundit=0;
1589                 BIO *fbio = BIO_new(BIO_f_buffer());
1590                 BIO_push(fbio, sbio);
1591                 /* wait for multi-line response to end from SMTP */
1592                 do
1593                         {
1594                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1595                         }
1596                 while (mbuf_len>3 && mbuf[3]=='-');
1597                 /* STARTTLS command requires EHLO... */
1598                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1599                 (void)BIO_flush(fbio);
1600                 /* wait for multi-line response to end EHLO SMTP response */
1601                 do
1602                         {
1603                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1604                         if (strstr(mbuf,"STARTTLS"))
1605                                 foundit=1;
1606                         }
1607                 while (mbuf_len>3 && mbuf[3]=='-');
1608                 (void)BIO_flush(fbio);
1609                 BIO_pop(fbio);
1610                 BIO_free(fbio);
1611                 if (!foundit)
1612                         BIO_printf(bio_err,
1613                                    "didn't found starttls in server response,"
1614                                    " try anyway...\n");
1615                 BIO_printf(sbio,"STARTTLS\r\n");
1616                 BIO_read(sbio,sbuf,BUFSIZZ);
1617                 }
1618         else if (starttls_proto == PROTO_POP3)
1619                 {
1620                 BIO_read(sbio,mbuf,BUFSIZZ);
1621                 BIO_printf(sbio,"STLS\r\n");
1622                 BIO_read(sbio,sbuf,BUFSIZZ);
1623                 }
1624         else if (starttls_proto == PROTO_IMAP)
1625                 {
1626                 int foundit=0;
1627                 BIO *fbio = BIO_new(BIO_f_buffer());
1628                 BIO_push(fbio, sbio);
1629                 BIO_gets(fbio,mbuf,BUFSIZZ);
1630                 /* STARTTLS command requires CAPABILITY... */
1631                 BIO_printf(fbio,". CAPABILITY\r\n");
1632                 (void)BIO_flush(fbio);
1633                 /* wait for multi-line CAPABILITY response */
1634                 do
1635                         {
1636                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1637                         if (strstr(mbuf,"STARTTLS"))
1638                                 foundit=1;
1639                         }
1640                 while (mbuf_len>3 && mbuf[0]!='.');
1641                 (void)BIO_flush(fbio);
1642                 BIO_pop(fbio);
1643                 BIO_free(fbio);
1644                 if (!foundit)
1645                         BIO_printf(bio_err,
1646                                    "didn't found STARTTLS in server response,"
1647                                    " try anyway...\n");
1648                 BIO_printf(sbio,". STARTTLS\r\n");
1649                 BIO_read(sbio,sbuf,BUFSIZZ);
1650                 }
1651         else if (starttls_proto == PROTO_FTP)
1652                 {
1653                 BIO *fbio = BIO_new(BIO_f_buffer());
1654                 BIO_push(fbio, sbio);
1655                 /* wait for multi-line response to end from FTP */
1656                 do
1657                         {
1658                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1659                         }
1660                 while (mbuf_len>3 && mbuf[3]=='-');
1661                 (void)BIO_flush(fbio);
1662                 BIO_pop(fbio);
1663                 BIO_free(fbio);
1664                 BIO_printf(sbio,"AUTH TLS\r\n");
1665                 BIO_read(sbio,sbuf,BUFSIZZ);
1666                 }
1667         if (starttls_proto == PROTO_XMPP)
1668                 {
1669                 int seen = 0;
1670                 BIO_printf(sbio,"<stream:stream "
1671                     "xmlns:stream='http://etherx.jabber.org/streams' "
1672                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1673                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1674                 mbuf[seen] = 0;
1675                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1676                         {
1677                         if (strstr(mbuf, "/stream:features>"))
1678                                 goto shut;
1679                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1680                         mbuf[seen] = 0;
1681                         }
1682                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1683                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1684                 sbuf[seen] = 0;
1685                 if (!strstr(sbuf, "<proceed"))
1686                         goto shut;
1687                 mbuf[0] = 0;
1688                 }
1689
1690         for (;;)
1691                 {
1692                 FD_ZERO(&readfds);
1693                 FD_ZERO(&writefds);
1694
1695                 if ((SSL_version(con) == DTLS1_VERSION) &&
1696                         DTLSv1_get_timeout(con, &timeout))
1697                         timeoutp = &timeout;
1698                 else
1699                         timeoutp = NULL;
1700
1701                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1702                         {
1703                         in_init=1;
1704                         tty_on=0;
1705                         }
1706                 else
1707                         {
1708                         tty_on=1;
1709                         if (in_init)
1710                                 {
1711                                 in_init=0;
1712 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1713 #ifndef OPENSSL_NO_TLSEXT
1714                                 if (servername != NULL && !SSL_session_reused(con))
1715                                         {
1716                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1717                                         }
1718 #endif
1719 #endif
1720                                 if (sess_out)
1721                                         {
1722                                         BIO *stmp = BIO_new_file(sess_out, "w");
1723                                         if (stmp)
1724                                                 {
1725                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1726                                                 BIO_free(stmp);
1727                                                 }
1728                                         else
1729                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1730                                         }
1731                                 if (c_brief)
1732                                         {
1733                                         BIO_puts(bio_err,
1734                                                 "CONNECTION ESTABLISHED\n");
1735                                         print_ssl_summary(bio_err, con);
1736                                         }
1737                                 print_stuff(bio_c_out,con,full_log);
1738                                 if (full_log > 0) full_log--;
1739
1740                                 if (starttls_proto)
1741                                         {
1742                                         BIO_printf(bio_err,"%s",mbuf);
1743                                         /* We don't need to know any more */
1744                                         starttls_proto = PROTO_OFF;
1745                                         }
1746
1747                                 if (reconnect)
1748                                         {
1749                                         reconnect--;
1750                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1751                                         SSL_shutdown(con);
1752                                         SSL_set_connect_state(con);
1753                                         SHUTDOWN(SSL_get_fd(con));
1754                                         goto re_start;
1755                                         }
1756                                 }
1757                         }
1758
1759                 ssl_pending = read_ssl && SSL_pending(con);
1760
1761                 if (!ssl_pending)
1762                         {
1763 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1764                         if (tty_on)
1765                                 {
1766                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1767                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1768                                 }
1769                         if (read_ssl)
1770                                 openssl_fdset(SSL_get_fd(con),&readfds);
1771                         if (write_ssl)
1772                                 openssl_fdset(SSL_get_fd(con),&writefds);
1773 #else
1774                         if(!tty_on || !write_tty) {
1775                                 if (read_ssl)
1776                                         openssl_fdset(SSL_get_fd(con),&readfds);
1777                                 if (write_ssl)
1778                                         openssl_fdset(SSL_get_fd(con),&writefds);
1779                         }
1780 #endif
1781 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1782                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1783
1784                         /* Note: under VMS with SOCKETSHR the second parameter
1785                          * is currently of type (int *) whereas under other
1786                          * systems it is (void *) if you don't have a cast it
1787                          * will choke the compiler: if you do have a cast then
1788                          * you can either go for (int *) or (void *).
1789                          */
1790 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1791                         /* Under Windows/DOS we make the assumption that we can
1792                          * always write to the tty: therefore if we need to
1793                          * write to the tty we just fall through. Otherwise
1794                          * we timeout the select every second and see if there
1795                          * are any keypresses. Note: this is a hack, in a proper
1796                          * Windows application we wouldn't do this.
1797                          */
1798                         i=0;
1799                         if(!write_tty) {
1800                                 if(read_tty) {
1801                                         tv.tv_sec = 1;
1802                                         tv.tv_usec = 0;
1803                                         i=select(width,(void *)&readfds,(void *)&writefds,
1804                                                  NULL,&tv);
1805 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1806                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1807 #else
1808                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1809 #endif
1810                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1811                                          NULL,timeoutp);
1812                         }
1813 #elif defined(OPENSSL_SYS_NETWARE)
1814                         if(!write_tty) {
1815                                 if(read_tty) {
1816                                         tv.tv_sec = 1;
1817                                         tv.tv_usec = 0;
1818                                         i=select(width,(void *)&readfds,(void *)&writefds,
1819                                                 NULL,&tv);
1820                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1821                                         NULL,timeoutp);
1822                         }
1823 #elif defined(OPENSSL_SYS_BEOS_R5)
1824                         /* Under BeOS-R5 the situation is similar to DOS */
1825                         i=0;
1826                         stdin_set = 0;
1827                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1828                         if(!write_tty) {
1829                                 if(read_tty) {
1830                                         tv.tv_sec = 1;
1831                                         tv.tv_usec = 0;
1832                                         i=select(width,(void *)&readfds,(void *)&writefds,
1833                                                  NULL,&tv);
1834                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1835                                                 stdin_set = 1;
1836                                         if (!i && (stdin_set != 1 || !read_tty))
1837                                                 continue;
1838                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1839                                          NULL,timeoutp);
1840                         }
1841                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1842 #else
1843                         i=select(width,(void *)&readfds,(void *)&writefds,
1844                                  NULL,timeoutp);
1845 #endif
1846                         if ( i < 0)
1847                                 {
1848                                 BIO_printf(bio_err,"bad select %d\n",
1849                                 get_last_socket_error());
1850                                 goto shut;
1851                                 /* goto end; */
1852                                 }
1853                         }
1854
1855                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1856                         {
1857                         BIO_printf(bio_err,"TIMEOUT occured\n");
1858                         }
1859
1860                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1861                         {
1862                         k=SSL_write(con,&(cbuf[cbuf_off]),
1863                                 (unsigned int)cbuf_len);
1864                         switch (SSL_get_error(con,k))
1865                                 {
1866                         case SSL_ERROR_NONE:
1867                                 cbuf_off+=k;
1868                                 cbuf_len-=k;
1869                                 if (k <= 0) goto end;
1870                                 /* we have done a  write(con,NULL,0); */
1871                                 if (cbuf_len <= 0)
1872                                         {
1873                                         read_tty=1;
1874                                         write_ssl=0;
1875                                         }
1876                                 else /* if (cbuf_len > 0) */
1877                                         {
1878                                         read_tty=0;
1879                                         write_ssl=1;
1880                                         }
1881                                 break;
1882                         case SSL_ERROR_WANT_WRITE:
1883                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1884                                 write_ssl=1;
1885                                 read_tty=0;
1886                                 break;
1887                         case SSL_ERROR_WANT_READ:
1888                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1889                                 write_tty=0;
1890                                 read_ssl=1;
1891                                 write_ssl=0;
1892                                 break;
1893                         case SSL_ERROR_WANT_X509_LOOKUP:
1894                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1895                                 break;
1896                         case SSL_ERROR_ZERO_RETURN:
1897                                 if (cbuf_len != 0)
1898                                         {
1899                                         BIO_printf(bio_c_out,"shutdown\n");
1900                                         ret = 0;
1901                                         goto shut;
1902                                         }
1903                                 else
1904                                         {
1905                                         read_tty=1;
1906                                         write_ssl=0;
1907                                         break;
1908                                         }
1909
1910                         case SSL_ERROR_SYSCALL:
1911                                 if ((k != 0) || (cbuf_len != 0))
1912                                         {
1913                                         BIO_printf(bio_err,"write:errno=%d\n",
1914                                                 get_last_socket_error());
1915                                         goto shut;
1916                                         }
1917                                 else
1918                                         {
1919                                         read_tty=1;
1920                                         write_ssl=0;
1921                                         }
1922                                 break;
1923                         case SSL_ERROR_SSL:
1924                                 ERR_print_errors(bio_err);
1925                                 goto shut;
1926                                 }
1927                         }
1928 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1929                 /* Assume Windows/DOS/BeOS can always write */
1930                 else if (!ssl_pending && write_tty)
1931 #else
1932                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1933 #endif
1934                         {
1935 #ifdef CHARSET_EBCDIC
1936                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1937 #endif
1938                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1939
1940                         if (i <= 0)
1941                                 {
1942                                 BIO_printf(bio_c_out,"DONE\n");
1943                                 ret = 0;
1944                                 goto shut;
1945                                 /* goto end; */
1946                                 }
1947
1948                         sbuf_len-=i;;
1949                         sbuf_off+=i;
1950                         if (sbuf_len <= 0)
1951                                 {
1952                                 read_ssl=1;
1953                                 write_tty=0;
1954                                 }
1955                         }
1956                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1957                         {
1958 #ifdef RENEG
1959 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1960 #endif
1961 #if 1
1962                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1963 #else
1964 /* Demo for pending and peek :-) */
1965                         k=SSL_read(con,sbuf,16);
1966 { char zbuf[10240];
1967 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1968 }
1969 #endif
1970
1971                         switch (SSL_get_error(con,k))
1972                                 {
1973                         case SSL_ERROR_NONE:
1974                                 if (k <= 0)
1975                                         goto end;
1976                                 sbuf_off=0;
1977                                 sbuf_len=k;
1978
1979                                 read_ssl=0;
1980                                 write_tty=1;
1981                                 break;
1982                         case SSL_ERROR_WANT_WRITE:
1983                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1984                                 write_ssl=1;
1985                                 read_tty=0;
1986                                 break;
1987                         case SSL_ERROR_WANT_READ:
1988                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1989                                 write_tty=0;
1990                                 read_ssl=1;
1991                                 if ((read_tty == 0) && (write_ssl == 0))
1992                                         write_ssl=1;
1993                                 break;
1994                         case SSL_ERROR_WANT_X509_LOOKUP:
1995                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1996                                 break;
1997                         case SSL_ERROR_SYSCALL:
1998                                 ret=get_last_socket_error();
1999                                 if (c_brief)
2000                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2001                                 else
2002                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2003                                 goto shut;
2004                         case SSL_ERROR_ZERO_RETURN:
2005                                 BIO_printf(bio_c_out,"closed\n");
2006                                 ret=0;
2007                                 goto shut;
2008                         case SSL_ERROR_SSL:
2009                                 ERR_print_errors(bio_err);
2010                                 goto shut;
2011                                 /* break; */
2012                                 }
2013                         }
2014
2015 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2016 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2017                 else if (_kbhit())
2018 #else
2019                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2020 #endif
2021 #elif defined (OPENSSL_SYS_NETWARE)
2022                 else if (_kbhit())
2023 #elif defined(OPENSSL_SYS_BEOS_R5)
2024                 else if (stdin_set)
2025 #else
2026                 else if (FD_ISSET(fileno(stdin),&readfds))
2027 #endif
2028                         {
2029                         if (crlf)
2030                                 {
2031                                 int j, lf_num;
2032
2033                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2034                                 lf_num = 0;
2035                                 /* both loops are skipped when i <= 0 */
2036                                 for (j = 0; j < i; j++)
2037                                         if (cbuf[j] == '\n')
2038                                                 lf_num++;
2039                                 for (j = i-1; j >= 0; j--)
2040                                         {
2041                                         cbuf[j+lf_num] = cbuf[j];
2042                                         if (cbuf[j] == '\n')
2043                                                 {
2044                                                 lf_num--;
2045                                                 i++;
2046                                                 cbuf[j+lf_num] = '\r';
2047                                                 }
2048                                         }
2049                                 assert(lf_num == 0);
2050                                 }
2051                         else
2052                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2053
2054                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2055                                 {
2056                                 BIO_printf(bio_err,"DONE\n");
2057                                 ret=0;
2058                                 goto shut;
2059                                 }
2060
2061                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2062                                 {
2063                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2064                                 SSL_renegotiate(con);
2065                                 cbuf_len=0;
2066                                 }
2067 #ifndef OPENSSL_NO_HEARTBEATS
2068                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2069                                 {
2070                                 BIO_printf(bio_err,"HEARTBEATING\n");
2071                                 SSL_heartbeat(con);
2072                                 cbuf_len=0;
2073                                 }
2074 #endif
2075                         else
2076                                 {
2077                                 cbuf_len=i;
2078                                 cbuf_off=0;
2079 #ifdef CHARSET_EBCDIC
2080                                 ebcdic2ascii(cbuf, cbuf, i);
2081 #endif
2082                                 }
2083
2084                         write_ssl=1;
2085                         read_tty=0;
2086                         }
2087                 }
2088
2089         ret=0;
2090 shut:
2091         if (in_init)
2092                 print_stuff(bio_c_out,con,full_log);
2093         SSL_shutdown(con);
2094         SHUTDOWN(SSL_get_fd(con));
2095 end:
2096         if (con != NULL)
2097                 {
2098                 if (prexit != 0)
2099                         print_stuff(bio_c_out,con,1);
2100                 SSL_free(con);
2101                 }
2102 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2103         if (next_proto.data)
2104                 OPENSSL_free(next_proto.data);
2105 #endif
2106         if (ctx != NULL) SSL_CTX_free(ctx);
2107         if (cert)
2108                 X509_free(cert);
2109         if (crls)
2110                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2111         if (key)
2112                 EVP_PKEY_free(key);
2113         if (chain)
2114                 sk_X509_pop_free(chain, X509_free);
2115         if (pass)
2116                 OPENSSL_free(pass);
2117         if (vpm)
2118                 X509_VERIFY_PARAM_free(vpm);
2119         ssl_excert_free(exc);
2120         if (ssl_args)
2121                 sk_OPENSSL_STRING_free(ssl_args);
2122         if (cctx)
2123                 SSL_CONF_CTX_free(cctx);
2124 #ifndef OPENSSL_NO_JPAKE
2125         if (jpake_secret && psk_key)
2126                 OPENSSL_free(psk_key);
2127 #endif
2128         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2129         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2130         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2131         if (bio_c_out != NULL)
2132                 {
2133                 BIO_free(bio_c_out);
2134                 bio_c_out=NULL;
2135                 }
2136         if (bio_c_msg != NULL)
2137                 {
2138                 BIO_free(bio_c_msg);
2139                 bio_c_msg=NULL;
2140                 }
2141         apps_shutdown();
2142         OPENSSL_EXIT(ret);
2143         }
2144
2145
2146 static void print_stuff(BIO *bio, SSL *s, int full)
2147         {
2148         X509 *peer=NULL;
2149         char *p;
2150         static const char *space="                ";
2151         char buf[BUFSIZ];
2152         STACK_OF(X509) *sk;
2153         STACK_OF(X509_NAME) *sk2;
2154         const SSL_CIPHER *c;
2155         X509_NAME *xn;
2156         int j,i;
2157 #ifndef OPENSSL_NO_COMP
2158         const COMP_METHOD *comp, *expansion;
2159 #endif
2160         unsigned char *exportedkeymat;
2161
2162         if (full)
2163                 {
2164                 int got_a_chain = 0;
2165
2166                 sk=SSL_get_peer_cert_chain(s);
2167                 if (sk != NULL)
2168                         {
2169                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2170
2171                         BIO_printf(bio,"---\nCertificate chain\n");
2172                         for (i=0; i<sk_X509_num(sk); i++)
2173                                 {
2174                                 X509_NAME_oneline(X509_get_subject_name(
2175                                         sk_X509_value(sk,i)),buf,sizeof buf);
2176                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2177                                 X509_NAME_oneline(X509_get_issuer_name(
2178                                         sk_X509_value(sk,i)),buf,sizeof buf);
2179                                 BIO_printf(bio,"   i:%s\n",buf);
2180                                 if (c_showcerts)
2181                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2182                                 }
2183                         }
2184
2185                 BIO_printf(bio,"---\n");
2186                 peer=SSL_get_peer_certificate(s);
2187                 if (peer != NULL)
2188                         {
2189                         BIO_printf(bio,"Server certificate\n");
2190                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2191                                 PEM_write_bio_X509(bio,peer);
2192                         X509_NAME_oneline(X509_get_subject_name(peer),
2193                                 buf,sizeof buf);
2194                         BIO_printf(bio,"subject=%s\n",buf);
2195                         X509_NAME_oneline(X509_get_issuer_name(peer),
2196                                 buf,sizeof buf);
2197                         BIO_printf(bio,"issuer=%s\n",buf);
2198                         }
2199                 else
2200                         BIO_printf(bio,"no peer certificate available\n");
2201
2202                 sk2=SSL_get_client_CA_list(s);
2203                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2204                         {
2205                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2206                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2207                                 {
2208                                 xn=sk_X509_NAME_value(sk2,i);
2209                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2210                                 BIO_write(bio,buf,strlen(buf));
2211                                 BIO_write(bio,"\n",1);
2212                                 }
2213                         }
2214                 else
2215                         {
2216                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2217                         }
2218                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2219                 if (p != NULL)
2220                         {
2221                         /* This works only for SSL 2.  In later protocol
2222                          * versions, the client does not know what other
2223                          * ciphers (in addition to the one to be used
2224                          * in the current connection) the server supports. */
2225
2226                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2227                         j=i=0;
2228                         while (*p)
2229                                 {
2230                                 if (*p == ':')
2231                                         {
2232                                         BIO_write(bio,space,15-j%25);
2233                                         i++;
2234                                         j=0;
2235                                         BIO_write(bio,((i%3)?" ":"\n"),1);
2236                                         }
2237                                 else
2238                                         {
2239                                         BIO_write(bio,p,1);
2240                                         j++;
2241                                         }
2242                                 p++;
2243                                 }
2244                         BIO_write(bio,"\n",1);
2245                         }
2246
2247                 ssl_print_sigalgs(bio, s);
2248                 ssl_print_tmp_key(bio, s);
2249
2250                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2251                         BIO_number_read(SSL_get_rbio(s)),
2252                         BIO_number_written(SSL_get_wbio(s)));
2253                 }
2254         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2255         c=SSL_get_current_cipher(s);
2256         BIO_printf(bio,"%s, Cipher is %s\n",
2257                 SSL_CIPHER_get_version(c),
2258                 SSL_CIPHER_get_name(c));
2259         if (peer != NULL) {
2260                 EVP_PKEY *pktmp;
2261                 pktmp = X509_get_pubkey(peer);
2262                 BIO_printf(bio,"Server public key is %d bit\n",
2263                                                          EVP_PKEY_bits(pktmp));
2264                 EVP_PKEY_free(pktmp);
2265         }
2266         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2267                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2268 #ifndef OPENSSL_NO_COMP
2269         comp=SSL_get_current_compression(s);
2270         expansion=SSL_get_current_expansion(s);
2271         BIO_printf(bio,"Compression: %s\n",
2272                 comp ? SSL_COMP_get_name(comp) : "NONE");
2273         BIO_printf(bio,"Expansion: %s\n",
2274                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2275 #endif
2276
2277 #ifdef SSL_DEBUG
2278         {
2279         /* Print out local port of connection: useful for debugging */
2280         int sock;
2281         struct sockaddr_in ladd;
2282         socklen_t ladd_size = sizeof(ladd);
2283         sock = SSL_get_fd(s);
2284         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2285         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2286         }
2287 #endif
2288
2289 #if !defined(OPENSSL_NO_TLSEXT)
2290 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2291         if (next_proto.status != -1) {
2292                 const unsigned char *proto;
2293                 unsigned int proto_len;
2294                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2295                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2296                 BIO_write(bio, proto, proto_len);
2297                 BIO_write(bio, "\n", 1);
2298         }
2299         {
2300                 const unsigned char *proto;
2301                 unsigned int proto_len;
2302                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2303                 if (proto_len > 0)
2304                         {
2305                         BIO_printf(bio, "ALPN protocol: ");
2306                         BIO_write(bio, proto, proto_len);
2307                         BIO_write(bio, "\n", 1);
2308                         }
2309                 else
2310                         BIO_printf(bio, "No ALPN negotiated\n");
2311         }
2312 # endif
2313 #endif
2314
2315         {
2316         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2317
2318         if(srtp_profile)
2319                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2320                            srtp_profile->name);
2321         }
2322
2323         SSL_SESSION_print(bio,SSL_get_session(s));
2324         if (keymatexportlabel != NULL)
2325                 {
2326                 BIO_printf(bio, "Keying material exporter:\n");
2327                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2328                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2329                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2330                 if (exportedkeymat != NULL)
2331                         {
2332                         if (!SSL_export_keying_material(s, exportedkeymat,
2333                                                         keymatexportlen,
2334                                                         keymatexportlabel,
2335                                                         strlen(keymatexportlabel),
2336                                                         NULL, 0, 0))
2337                                 {
2338                                 BIO_printf(bio, "    Error\n");
2339                                 }
2340                         else
2341                                 {
2342                                 BIO_printf(bio, "    Keying material: ");
2343                                 for (i=0; i<keymatexportlen; i++)
2344                                         BIO_printf(bio, "%02X",
2345                                                    exportedkeymat[i]);
2346                                 BIO_printf(bio, "\n");
2347                                 }
2348                         OPENSSL_free(exportedkeymat);
2349                         }
2350                 }
2351         BIO_printf(bio,"---\n");
2352         if (peer != NULL)
2353                 X509_free(peer);
2354         /* flush, or debugging output gets mixed with http response */
2355         (void)BIO_flush(bio);
2356         }
2357
2358 #ifndef OPENSSL_NO_TLSEXT
2359
2360 static int ocsp_resp_cb(SSL *s, void *arg)
2361         {
2362         const unsigned char *p;
2363         int len;
2364         OCSP_RESPONSE *rsp;
2365         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2366         BIO_puts(arg, "OCSP response: ");
2367         if (!p)
2368                 {
2369                 BIO_puts(arg, "no response sent\n");
2370                 return 1;
2371                 }
2372         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2373         if (!rsp)
2374                 {
2375                 BIO_puts(arg, "response parse error\n");
2376                 BIO_dump_indent(arg, (char *)p, len, 4);
2377                 return 0;
2378                 }
2379         BIO_puts(arg, "\n======================================\n");
2380         OCSP_RESPONSE_print(arg, rsp, 0);
2381         BIO_puts(arg, "======================================\n");
2382         OCSP_RESPONSE_free(rsp);
2383         return 1;
2384         }
2385
2386 static int audit_proof_cb(SSL *s, void *arg)
2387         {
2388         const unsigned char *proof;
2389         size_t proof_len;
2390         size_t i;
2391         SSL_SESSION *sess = SSL_get_session(s);
2392
2393         proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2394                                                                 &proof_len);
2395         if (proof != NULL)
2396                 {
2397                 BIO_printf(bio_c_out, "Audit proof: ");
2398                 for (i = 0; i < proof_len; ++i)
2399                         BIO_printf(bio_c_out, "%02X", proof[i]);
2400                 BIO_printf(bio_c_out, "\n");
2401                 }
2402         else
2403                 {
2404                 BIO_printf(bio_c_out, "No audit proof found.\n");
2405                 }
2406         return 1;
2407         }
2408 #endif