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 /* With IPv6, it looks like Digital has mixed up the proper order of
 145    recursive header file inclusion, resulting in the compiler complaining
 146    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 147    is needed to have fileno() declared correctly...  So let's define u_int */
 148 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 149 #define __U_INT
 150 typedef unsigned int u_int;
 151 #endif
 152
 153 #define USE_SOCKETS
 154 #include "apps.h"
 155 #include <openssl/x509.h>
 156 #include <openssl/ssl.h>
 157 #include <openssl/err.h>
 158 #include <openssl/pem.h>
 159 #include <openssl/rand.h>
 160 #include <openssl/ocsp.h>
 161 #include <openssl/bn.h>
 162 #ifndef OPENSSL_NO_SRP
 163 #include <openssl/srp.h>
 164 #endif
 165 #include "s_apps.h"
 166 #include "timeouts.h"
 167
 168 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 169 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 170 #undef FIONBIO
 171 #endif
 172
 173 #undef PROG
 174 #define PROG    s_client_main
 175
 176 /*#define SSL_HOST_NAME "www.netscape.com" */
 177 /*#define SSL_HOST_NAME "193.118.187.102" */
 178 #define SSL_HOST_NAME   "localhost"
 179
 180 /* no default cert. */
 181 /*#define TEST_CERT "client.pem" */
 182
 183 #undef BUFSIZZ
 184 #define BUFSIZZ 1024*8
 185
 186 extern int verify_depth;
 187 extern int verify_error;
 188 extern int verify_return_error;
 189 extern int verify_quiet;
 190
 191 #ifdef FIONBIO
 192 static int c_nbio=0;
 193 #endif
 194 static int c_Pause=0;
 195 static int c_debug=0;
 196 #ifndef OPENSSL_NO_TLSEXT
 197 static int c_tlsextdebug=0;
 198 static int c_status_req=0;
 199 #endif
 200 static int c_msg=0;
 201 static int c_showcerts=0;
 202
 203 static char *keymatexportlabel=NULL;
 204 static int keymatexportlen=20;
 205
 206 static void sc_usage(void);
 207 static void print_stuff(BIO *berr,SSL *con,int full);
 208 #ifndef OPENSSL_NO_TLSEXT
 209 static int ocsp_resp_cb(SSL *s, void *arg);
 210 #endif
 211 static BIO *bio_c_out=NULL;
 212 static BIO *bio_c_msg=NULL;
 213 static int c_quiet=0;
 214 static int c_ign_eof=0;
 215 static int c_brief=0;
 216
 217 #ifndef OPENSSL_NO_PSK
 218 /* Default PSK identity and key */
 219 static char *psk_identity="Client_identity";
 220 /*char *psk_key=NULL;  by default PSK is not used */
 221
 222 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 223         unsigned int max_identity_len, unsigned char *psk,
 224         unsigned int max_psk_len)
 225         {
 226         unsigned int psk_len = 0;
 227         int ret;
 228         BIGNUM *bn=NULL;
 229
 230         if (c_debug)
 231                 BIO_printf(bio_c_out, "psk_client_cb\n");
 232         if (!hint)
 233                 {
 234                 /* no ServerKeyExchange message*/
 235                 if (c_debug)
 236                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 237                 }
 238         else if (c_debug)
 239                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 240
 241         /* lookup PSK identity and PSK key based on the given identity hint here */
 242         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 243         if (ret < 0 || (unsigned int)ret > max_identity_len)
 244                 goto out_err;
 245         if (c_debug)
 246                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 247         ret=BN_hex2bn(&bn, psk_key);
 248         if (!ret)
 249                 {
 250                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 251                 if (bn)
 252                         BN_free(bn);
 253                 return 0;
 254                 }
 255
 256         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 257                 {
 258                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 259                         max_psk_len, BN_num_bytes(bn));
 260                 BN_free(bn);
 261                 return 0;
 262                 }
 263
 264         psk_len=BN_bn2bin(bn, psk);
 265         BN_free(bn);
 266         if (psk_len == 0)
 267                 goto out_err;
 268
 269         if (c_debug)
 270                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 271
 272         return psk_len;
 273  out_err:
 274         if (c_debug)
 275                 BIO_printf(bio_err, "Error in PSK client callback\n");
 276         return 0;
 277         }
 278 #endif
 279
 280 static void sc_usage(void)
 281         {
 282         BIO_printf(bio_err,"usage: s_client args\n");
 283         BIO_printf(bio_err,"\n");
 284         BIO_printf(bio_err," -host host     - use -connect instead\n");
 285         BIO_printf(bio_err," -port port     - use -connect instead\n");
 286         BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 287         BIO_printf(bio_err," -unix path    - connect over unix domain sockets\n");
 288         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 289         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 290         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 291         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 292         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 293         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 294         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 295         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 296         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 297         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 298         BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
 299         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 300         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 301         BIO_printf(bio_err," -prexit       - print session information even on connection failure\n");
 302         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 303         BIO_printf(bio_err," -debug        - extra output\n");
 304 #ifdef WATT32
 305         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 306 #endif
 307         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 308         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 309         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 310 #ifdef FIONBIO
 311         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 312 #endif
 313         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 314         BIO_printf(bio_err," -quiet        - no s_client output\n");
 315         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 316         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 317 #ifndef OPENSSL_NO_PSK
 318         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 319         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 320 # ifndef OPENSSL_NO_JPAKE
 321         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 322 # endif
 323 #endif
 324 #ifndef OPENSSL_NO_SRP
 325         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 326         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 327         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 328         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 329         BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
 330 #endif
 331 #ifndef OPENSSL_NO_SSL3_METHOD
 332         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 333 #endif
 334         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 335         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 336         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 337         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 338         BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
 339         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 340         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
 341         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 342         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 343         BIO_printf(bio_err,"                 command to see what is available\n");
 344         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 345         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 346         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 347         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 348         BIO_printf(bio_err,"                 are supported.\n");
 349         BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
 350 #ifndef OPENSSL_NO_ENGINE
 351         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 352 #endif
 353         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 354         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 355         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 356 #ifndef OPENSSL_NO_TLSEXT
 357         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 358         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 359         BIO_printf(bio_err," -status           - request certificate status from server\n");
 360         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 361         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 362 # ifndef OPENSSL_NO_NEXTPROTONEG
 363         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 364 # endif
 365         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 366 #endif
 367         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 368 #ifndef OPENSSL_NO_SRTP
 369         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 370 #endif
 371         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 372         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 373         }
 374
 375 #ifndef OPENSSL_NO_TLSEXT
 376
 377 /* This is a context that we pass to callbacks */
 378 typedef struct tlsextctx_st {
 379    BIO * biodebug;
 380    int ack;
 381 } tlsextctx;
 382
 383
 384 static int ssl_servername_cb(SSL *s, int *ad, void *arg)
 385         {
 386         tlsextctx * p = (tlsextctx *) arg;
 387         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 388         if (SSL_get_servername_type(s) != -1)
 389                 p->ack = !SSL_session_reused(s) && hn != NULL;
 390         else
 391                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 392
 393         return SSL_TLSEXT_ERR_OK;
 394         }
 395
 396 #ifndef OPENSSL_NO_SRP
 397
 398 /* This is a context that we pass to all callbacks */
 399 typedef struct srp_arg_st
 400         {
 401         char *srppassin;
 402         char *srplogin;
 403         int msg;   /* copy from c_msg */
 404         int debug; /* copy from c_debug */
 405         int amp;   /* allow more groups */
 406         int strength /* minimal size for N */ ;
 407         } SRP_ARG;
 408
 409 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 410
 411 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
 412         {
 413         BN_CTX *bn_ctx = BN_CTX_new();
 414         BIGNUM *p = BN_new();
 415         BIGNUM *r = BN_new();
 416         int ret =
 417                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 418                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 419                 p != NULL && BN_rshift1(p, N) &&
 420
 421                 /* p = (N-1)/2 */
 422                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 423                 r != NULL &&
 424
 425                 /* verify g^((N-1)/2) == -1 (mod N) */
 426                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 427                 BN_add_word(r, 1) &&
 428                 BN_cmp(r, N) == 0;
 429
 430         if(r)
 431                 BN_free(r);
 432         if(p)
 433                 BN_free(p);
 434         if(bn_ctx)
 435                 BN_CTX_free(bn_ctx);
 436         return ret;
 437         }
 438
 439 /*-
 440  * This callback is used here for two purposes:
 441  * - extended debugging
 442  * - making some primality tests for unknown groups
 443  * The callback is only called for a non default group.
 444  *
 445  * An application does not need the call back at all if
 446  * only the stanard groups are used.  In real life situations,
 447  * client and server already share well known groups,
 448  * thus there is no need to verify them.
 449  * Furthermore, in case that a server actually proposes a group that
 450  * is not one of those defined in RFC 5054, it is more appropriate
 451  * to add the group to a static list and then compare since
 452  * primality tests are rather cpu consuming.
 453  */
 454
 455 static int ssl_srp_verify_param_cb(SSL *s, void *arg)
 456         {
 457         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 458         BIGNUM *N = NULL, *g = NULL;
 459         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 460                 return 0;
 461         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 462                 {
 463                 BIO_printf(bio_err, "SRP parameters:\n");
 464                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 465                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 466                 BIO_printf(bio_err,"\n");
 467                 }
 468
 469         if (SRP_check_known_gN_param(g,N))
 470                 return 1;
 471
 472         if (srp_arg->amp == 1)
 473                 {
 474                 if (srp_arg->debug)
 475                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 476
 477 /* The srp_moregroups is a real debugging feature.
 478    Implementors should rather add the value to the known ones.
 479    The minimal size has already been tested.
 480 */
 481                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 482                         return 1;
 483                 }
 484         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 485         return 0;
 486         }
 487
 488 #define PWD_STRLEN 1024
 489
 490 static char * ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 491         {
 492         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 493         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 494         PW_CB_DATA cb_tmp;
 495         int l;
 496
 497         cb_tmp.password = (char *)srp_arg->srppassin;
 498         cb_tmp.prompt_info = "SRP user";
 499         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 500                 {
 501                 BIO_printf (bio_err, "Can't read Password\n");
 502                 OPENSSL_free(pass);
 503                 return NULL;
 504                 }
 505         *(pass+l)= '\0';
 506
 507         return pass;
 508         }
 509
 510 #endif
 511 #ifndef OPENSSL_NO_SRTP
 512         char *srtp_profiles = NULL;
 513 #endif
 514
 515 # ifndef OPENSSL_NO_NEXTPROTONEG
 516 /* This the context that we pass to next_proto_cb */
 517 typedef struct tlsextnextprotoctx_st {
 518         unsigned char *data;
 519         unsigned short len;
 520         int status;
 521 } tlsextnextprotoctx;
 522
 523 static tlsextnextprotoctx next_proto;
 524
 525 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 526         {
 527         tlsextnextprotoctx *ctx = arg;
 528
 529         if (!c_quiet)
 530                 {
 531                 /* We can assume that |in| is syntactically valid. */
 532                 unsigned i;
 533                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 534                 for (i = 0; i < inlen; )
 535                         {
 536                         if (i)
 537                                 BIO_write(bio_c_out, ", ", 2);
 538                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 539                         i += in[i] + 1;
 540                         }
 541                 BIO_write(bio_c_out, "\n", 1);
 542                 }
 543
 544         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 545         return SSL_TLSEXT_ERR_OK;
 546         }
 547 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 548
 549 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
 550                                    const unsigned char* in, size_t inlen,
 551                                    int* al, void* arg)
 552         {
 553         char pem_name[100];
 554         unsigned char ext_buf[4 + 65536];
 555
 556         /* Reconstruct the type/len fields prior to extension data */
 557         ext_buf[0] = ext_type >> 8;
 558         ext_buf[1] = ext_type & 0xFF;
 559         ext_buf[2] = inlen >> 8;
 560         ext_buf[3] = inlen & 0xFF;
 561         memcpy(ext_buf+4, in, inlen);
 562
 563         BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
 564                      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         const char *unix_path = NULL;
 599         char *xmpphost = NULL;
 600         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 601         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 602         char *passarg = NULL, *pass = NULL;
 603         X509 *cert = NULL;
 604         EVP_PKEY *key = NULL;
 605         STACK_OF(X509) *chain = NULL;
 606         char *CApath=NULL,*CAfile=NULL;
 607         char *chCApath=NULL,*chCAfile=NULL;
 608         char *vfyCApath=NULL,*vfyCAfile=NULL;
 609         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 610         int crlf=0;
 611         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 612         SSL_CTX *ctx=NULL;
 613         int ret=1,in_init=1,i,nbio_test=0;
 614         int starttls_proto = PROTO_OFF;
 615         int prexit = 0;
 616         X509_VERIFY_PARAM *vpm = NULL;
 617         int badarg = 0;
 618         const SSL_METHOD *meth=NULL;
 619         int socket_type=SOCK_STREAM;
 620         BIO *sbio;
 621         char *inrand=NULL;
 622         int mbuf_len=0;
 623         struct timeval timeout, *timeoutp;
 624 #ifndef OPENSSL_NO_ENGINE
 625         char *engine_id=NULL;
 626         char *ssl_client_engine_id=NULL;
 627         ENGINE *ssl_client_engine=NULL;
 628 #endif
 629         ENGINE *e=NULL;
 630 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
 631         struct timeval tv;
 632 #endif
 633 #ifndef OPENSSL_NO_TLSEXT
 634         char *servername = NULL;
 635         tlsextctx tlsextcbp =
 636         {NULL,0};
 637 # ifndef OPENSSL_NO_NEXTPROTONEG
 638         const char *next_proto_neg_in = NULL;
 639 # endif
 640         const char *alpn_in = NULL;
 641 # define MAX_SI_TYPES 100
 642         unsigned short serverinfo_types[MAX_SI_TYPES];
 643         int serverinfo_types_count = 0;
 644 #endif
 645         char *sess_in = NULL;
 646         char *sess_out = NULL;
 647         struct sockaddr peer;
 648         int peerlen = sizeof(peer);
 649         int fallback_scsv = 0;
 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         int sdebug = 0;
 673
 674         meth=SSLv23_client_method();
 675
 676         apps_startup();
 677         c_Pause=0;
 678         c_quiet=0;
 679         c_ign_eof=0;
 680         c_debug=0;
 681         c_msg=0;
 682         c_showcerts=0;
 683
 684         if (bio_err == NULL)
 685                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 686
 687         if (!load_config(bio_err, NULL))
 688                 goto end;
 689         cctx = SSL_CONF_CTX_new();
 690         if (!cctx)
 691                 goto end;
 692         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 693         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 694
 695         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 696                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 697                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 698                 {
 699                 BIO_printf(bio_err,"out of memory\n");
 700                 goto end;
 701                 }
 702
 703         verify_depth=0;
 704         verify_error=X509_V_OK;
 705 #ifdef FIONBIO
 706         c_nbio=0;
 707 #endif
 708
 709         argc--;
 710         argv++;
 711         while (argc >= 1)
 712                 {
 713                 if      (strcmp(*argv,"-host") == 0)
 714                         {
 715                         if (--argc < 1) goto bad;
 716                         host= *(++argv);
 717                         }
 718                 else if (strcmp(*argv,"-port") == 0)
 719                         {
 720                         if (--argc < 1) goto bad;
 721                         port=atoi(*(++argv));
 722                         if (port == 0) goto bad;
 723                         }
 724                 else if (strcmp(*argv,"-connect") == 0)
 725                         {
 726                         if (--argc < 1) goto bad;
 727                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 728                                 goto bad;
 729                         }
 730                 else if (strcmp(*argv,"-unix") == 0)
 731                         {
 732                         if (--argc < 1) goto bad;
 733                         unix_path = *(++argv);
 734                         }
 735                 else if (strcmp(*argv,"-xmpphost") == 0)
 736                         {
 737                         if (--argc < 1) goto bad;
 738                         xmpphost= *(++argv);
 739                         }
 740                 else if (strcmp(*argv,"-verify") == 0)
 741                         {
 742                         verify=SSL_VERIFY_PEER;
 743                         if (--argc < 1) goto bad;
 744                         verify_depth=atoi(*(++argv));
 745                         if (!c_quiet)
 746                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 747                         }
 748                 else if (strcmp(*argv,"-cert") == 0)
 749                         {
 750                         if (--argc < 1) goto bad;
 751                         cert_file= *(++argv);
 752                         }
 753                 else if (strcmp(*argv,"-CRL") == 0)
 754                         {
 755                         if (--argc < 1) goto bad;
 756                         crl_file= *(++argv);
 757                         }
 758                 else if (strcmp(*argv,"-crl_download") == 0)
 759                         crl_download = 1;
 760                 else if (strcmp(*argv,"-sess_out") == 0)
 761                         {
 762                         if (--argc < 1) goto bad;
 763                         sess_out = *(++argv);
 764                         }
 765                 else if (strcmp(*argv,"-sess_in") == 0)
 766                         {
 767                         if (--argc < 1) goto bad;
 768                         sess_in = *(++argv);
 769                         }
 770                 else if (strcmp(*argv,"-certform") == 0)
 771                         {
 772                         if (--argc < 1) goto bad;
 773                         cert_format = str2fmt(*(++argv));
 774                         }
 775                 else if (strcmp(*argv,"-CRLform") == 0)
 776                         {
 777                         if (--argc < 1) goto bad;
 778                         crl_format = str2fmt(*(++argv));
 779                         }
 780                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 781                         {
 782                         if (badarg)
 783                                 goto bad;
 784                         continue;
 785                         }
 786                 else if (strcmp(*argv,"-verify_return_error") == 0)
 787                         verify_return_error = 1;
 788                 else if (strcmp(*argv,"-verify_quiet") == 0)
 789                         verify_quiet = 1;
 790                 else if (strcmp(*argv,"-brief") == 0)
 791                         {
 792                         c_brief = 1;
 793                         verify_quiet = 1;
 794                         c_quiet = 1;
 795                         }
 796                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 797                         {
 798                         if (badarg)
 799                                 goto bad;
 800                         continue;
 801                         }
 802                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 803                         {
 804                         if (badarg)
 805                                 goto bad;
 806                         continue;
 807                         }
 808                 else if (strcmp(*argv,"-prexit") == 0)
 809                         prexit=1;
 810                 else if (strcmp(*argv,"-crlf") == 0)
 811                         crlf=1;
 812                 else if (strcmp(*argv,"-quiet") == 0)
 813                         {
 814                         c_quiet=1;
 815                         c_ign_eof=1;
 816                         }
 817                 else if (strcmp(*argv,"-ign_eof") == 0)
 818                         c_ign_eof=1;
 819                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 820                         c_ign_eof=0;
 821                 else if (strcmp(*argv,"-pause") == 0)
 822                         c_Pause=1;
 823                 else if (strcmp(*argv,"-debug") == 0)
 824                         c_debug=1;
 825 #ifndef OPENSSL_NO_TLSEXT
 826                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 827                         c_tlsextdebug=1;
 828                 else if (strcmp(*argv,"-status") == 0)
 829                         c_status_req=1;
 830 #endif
 831 #ifdef WATT32
 832                 else if (strcmp(*argv,"-wdebug") == 0)
 833                         dbug_init();
 834 #endif
 835                 else if (strcmp(*argv,"-msg") == 0)
 836                         c_msg=1;
 837                 else if (strcmp(*argv,"-msgfile") == 0)
 838                         {
 839                         if (--argc < 1) goto bad;
 840                         bio_c_msg = BIO_new_file(*(++argv), "w");
 841                         }
 842 #ifndef OPENSSL_NO_SSL_TRACE
 843                 else if (strcmp(*argv,"-trace") == 0)
 844                         c_msg=2;
 845 #endif
 846                 else if (strcmp(*argv,"-security_debug") == 0)
 847                         { sdebug=1; }
 848                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
 849                         { sdebug=2; }
 850                 else if (strcmp(*argv,"-showcerts") == 0)
 851                         c_showcerts=1;
 852                 else if (strcmp(*argv,"-nbio_test") == 0)
 853                         nbio_test=1;
 854                 else if (strcmp(*argv,"-state") == 0)
 855                         state=1;
 856 #ifndef OPENSSL_NO_PSK
 857                 else if (strcmp(*argv,"-psk_identity") == 0)
 858                         {
 859                         if (--argc < 1) goto bad;
 860                         psk_identity=*(++argv);
 861                         }
 862                 else if (strcmp(*argv,"-psk") == 0)
 863                         {
 864                         size_t j;
 865
 866                         if (--argc < 1) goto bad;
 867                         psk_key=*(++argv);
 868                         for (j = 0; j < strlen(psk_key); j++)
 869                                 {
 870                                 if (isxdigit((unsigned char)psk_key[j]))
 871                                         continue;
 872                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 873                                 goto bad;
 874                                 }
 875                         }
 876 #endif
 877 #ifndef OPENSSL_NO_SRP
 878                 else if (strcmp(*argv,"-srpuser") == 0)
 879                         {
 880                         if (--argc < 1) goto bad;
 881                         srp_arg.srplogin= *(++argv);
 882                         meth=TLSv1_client_method();
 883                         }
 884                 else if (strcmp(*argv,"-srppass") == 0)
 885                         {
 886                         if (--argc < 1) goto bad;
 887                         srppass= *(++argv);
 888                         meth=TLSv1_client_method();
 889                         }
 890                 else if (strcmp(*argv,"-srp_strength") == 0)
 891                         {
 892                         if (--argc < 1) goto bad;
 893                         srp_arg.strength=atoi(*(++argv));
 894                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 895                         meth=TLSv1_client_method();
 896                         }
 897                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 898                         {
 899                         srp_lateuser= 1;
 900                         meth=TLSv1_client_method();
 901                         }
 902                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 903                         {
 904                         srp_arg.amp=1;
 905                         meth=TLSv1_client_method();
 906                         }
 907 #endif
 908 #ifndef OPENSSL_NO_SSL3_METHOD
 909                 else if (strcmp(*argv,"-ssl3") == 0)
 910                         meth=SSLv3_client_method();
 911 #endif
 912 #ifndef OPENSSL_NO_TLS1
 913                 else if (strcmp(*argv,"-tls1_2") == 0)
 914                         meth=TLSv1_2_client_method();
 915                 else if (strcmp(*argv,"-tls1_1") == 0)
 916                         meth=TLSv1_1_client_method();
 917                 else if (strcmp(*argv,"-tls1") == 0)
 918                         meth=TLSv1_client_method();
 919 #endif
 920 #ifndef OPENSSL_NO_DTLS1
 921                 else if (strcmp(*argv,"-dtls") == 0)
 922                         {
 923                         meth=DTLS_client_method();
 924                         socket_type=SOCK_DGRAM;
 925                         }
 926                 else if (strcmp(*argv,"-dtls1") == 0)
 927                         {
 928                         meth=DTLSv1_client_method();
 929                         socket_type=SOCK_DGRAM;
 930                         }
 931                 else if (strcmp(*argv,"-dtls1_2") == 0)
 932                         {
 933                         meth=DTLSv1_2_client_method();
 934                         socket_type=SOCK_DGRAM;
 935                         }
 936                 else if (strcmp(*argv,"-timeout") == 0)
 937                         enable_timeouts=1;
 938                 else if (strcmp(*argv,"-mtu") == 0)
 939                         {
 940                         if (--argc < 1) goto bad;
 941                         socket_mtu = atol(*(++argv));
 942                         }
 943 #endif
 944                 else if (strcmp(*argv,"-fallback_scsv") == 0)
 945                         {
 946                         fallback_scsv = 1;
 947                         }
 948                 else if (strcmp(*argv,"-keyform") == 0)
 949                         {
 950                         if (--argc < 1) goto bad;
 951                         key_format = str2fmt(*(++argv));
 952                         }
 953                 else if (strcmp(*argv,"-pass") == 0)
 954                         {
 955                         if (--argc < 1) goto bad;
 956                         passarg = *(++argv);
 957                         }
 958                 else if (strcmp(*argv,"-cert_chain") == 0)
 959                         {
 960                         if (--argc < 1) goto bad;
 961                         chain_file= *(++argv);
 962                         }
 963                 else if (strcmp(*argv,"-key") == 0)
 964                         {
 965                         if (--argc < 1) goto bad;
 966                         key_file= *(++argv);
 967                         }
 968                 else if (strcmp(*argv,"-reconnect") == 0)
 969                         {
 970                         reconnect=5;
 971                         }
 972                 else if (strcmp(*argv,"-CApath") == 0)
 973                         {
 974                         if (--argc < 1) goto bad;
 975                         CApath= *(++argv);
 976                         }
 977                 else if (strcmp(*argv,"-chainCApath") == 0)
 978                         {
 979                         if (--argc < 1) goto bad;
 980                         chCApath= *(++argv);
 981                         }
 982                 else if (strcmp(*argv,"-verifyCApath") == 0)
 983                         {
 984                         if (--argc < 1) goto bad;
 985                         vfyCApath= *(++argv);
 986                         }
 987                 else if (strcmp(*argv,"-build_chain") == 0)
 988                         build_chain = 1;
 989                 else if (strcmp(*argv,"-CAfile") == 0)
 990                         {
 991                         if (--argc < 1) goto bad;
 992                         CAfile= *(++argv);
 993                         }
 994                 else if (strcmp(*argv,"-chainCAfile") == 0)
 995                         {
 996                         if (--argc < 1) goto bad;
 997                         chCAfile= *(++argv);
 998                         }
 999                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1000                         {
1001                         if (--argc < 1) goto bad;
1002                         vfyCAfile= *(++argv);
1003                         }
1004 #ifndef OPENSSL_NO_TLSEXT
1005 # ifndef OPENSSL_NO_NEXTPROTONEG
1006                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1007                         {
1008                         if (--argc < 1) goto bad;
1009                         next_proto_neg_in = *(++argv);
1010                         }
1011 # endif
1012                 else if (strcmp(*argv,"-alpn") == 0)
1013                         {
1014                         if (--argc < 1) goto bad;
1015                         alpn_in = *(++argv);
1016                         }
1017                 else if (strcmp(*argv,"-serverinfo") == 0)
1018                         {
1019                         char *c;
1020                         int start = 0;
1021                         int len;
1022
1023                         if (--argc < 1) goto bad;
1024                         c = *(++argv);
1025                         serverinfo_types_count = 0;
1026                         len = strlen(c);
1027                         for (i = 0; i <= len; ++i)
1028                                 {
1029                                 if (i == len || c[i] == ',')
1030                                         {
1031                                         serverinfo_types[serverinfo_types_count]
1032                                             = atoi(c+start);
1033                                         serverinfo_types_count++;
1034                                         start = i+1;
1035                                         }
1036                                 if (serverinfo_types_count == MAX_SI_TYPES)
1037                                         break;
1038                                 }
1039                         }
1040 #endif
1041 #ifdef FIONBIO
1042                 else if (strcmp(*argv,"-nbio") == 0)
1043                         { c_nbio=1; }
1044 #endif
1045                 else if (strcmp(*argv,"-starttls") == 0)
1046                         {
1047                         if (--argc < 1) goto bad;
1048                         ++argv;
1049                         if (strcmp(*argv,"smtp") == 0)
1050                                 starttls_proto = PROTO_SMTP;
1051                         else if (strcmp(*argv,"pop3") == 0)
1052                                 starttls_proto = PROTO_POP3;
1053                         else if (strcmp(*argv,"imap") == 0)
1054                                 starttls_proto = PROTO_IMAP;
1055                         else if (strcmp(*argv,"ftp") == 0)
1056                                 starttls_proto = PROTO_FTP;
1057                         else if (strcmp(*argv, "xmpp") == 0)
1058                                 starttls_proto = PROTO_XMPP;
1059                         else
1060                                 goto bad;
1061                         }
1062 #ifndef OPENSSL_NO_ENGINE
1063                 else if (strcmp(*argv,"-engine") == 0)
1064                         {
1065                         if (--argc < 1) goto bad;
1066                         engine_id = *(++argv);
1067                         }
1068                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         ssl_client_engine_id = *(++argv);
1072                         }
1073 #endif
1074                 else if (strcmp(*argv,"-rand") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         inrand= *(++argv);
1078                         }
1079 #ifndef OPENSSL_NO_TLSEXT
1080                 else if (strcmp(*argv,"-servername") == 0)
1081                         {
1082                         if (--argc < 1) goto bad;
1083                         servername= *(++argv);
1084                         /* meth=TLSv1_client_method(); */
1085                         }
1086 #endif
1087 #ifndef OPENSSL_NO_JPAKE
1088                 else if (strcmp(*argv,"-jpake") == 0)
1089                         {
1090                         if (--argc < 1) goto bad;
1091                         jpake_secret = *++argv;
1092                         }
1093 #endif
1094 #ifndef OPENSSL_NO_SRTP
1095                 else if (strcmp(*argv,"-use_srtp") == 0)
1096                         {
1097                         if (--argc < 1) goto bad;
1098                         srtp_profiles = *(++argv);
1099                         }
1100 #endif
1101                 else if (strcmp(*argv,"-keymatexport") == 0)
1102                         {
1103                         if (--argc < 1) goto bad;
1104                         keymatexportlabel= *(++argv);
1105                         }
1106                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1107                         {
1108                         if (--argc < 1) goto bad;
1109                         keymatexportlen=atoi(*(++argv));
1110                         if (keymatexportlen == 0) goto bad;
1111                         }
1112                 else
1113                         {
1114                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1115                         badop=1;
1116                         break;
1117                         }
1118                 argc--;
1119                 argv++;
1120                 }
1121         if (badop)
1122                 {
1123 bad:
1124                 sc_usage();
1125                 goto end;
1126                 }
1127
1128         if (unix_path && (socket_type != SOCK_STREAM))
1129                 {
1130                 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1131                         goto end;
1132                 }
1133 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1134         if (jpake_secret)
1135                 {
1136                 if (psk_key)
1137                         {
1138                         BIO_printf(bio_err,
1139                                    "Can't use JPAKE and PSK together\n");
1140                         goto end;
1141                         }
1142                 psk_identity = "JPAKE";
1143                 }
1144 #endif
1145
1146         OpenSSL_add_ssl_algorithms();
1147         SSL_load_error_strings();
1148
1149 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1150         next_proto.status = -1;
1151         if (next_proto_neg_in)
1152                 {
1153                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1154                 if (next_proto.data == NULL)
1155                         {
1156                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1157                         goto end;
1158                         }
1159                 }
1160         else
1161                 next_proto.data = NULL;
1162 #endif
1163
1164 #ifndef OPENSSL_NO_ENGINE
1165         e = setup_engine(bio_err, engine_id, 1);
1166         if (ssl_client_engine_id)
1167                 {
1168                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1169                 if (!ssl_client_engine)
1170                         {
1171                         BIO_printf(bio_err,
1172                                         "Error getting client auth engine\n");
1173                         goto end;
1174                         }
1175                 }
1176
1177 #endif
1178         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1179                 {
1180                 BIO_printf(bio_err, "Error getting password\n");
1181                 goto end;
1182                 }
1183
1184         if (key_file == NULL)
1185                 key_file = cert_file;
1186
1187
1188         if (key_file)
1189
1190                 {
1191
1192                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1193                                "client certificate private key file");
1194                 if (!key)
1195                         {
1196                         ERR_print_errors(bio_err);
1197                         goto end;
1198                         }
1199
1200                 }
1201
1202         if (cert_file)
1203
1204                 {
1205                 cert = load_cert(bio_err,cert_file,cert_format,
1206                                 NULL, e, "client certificate file");
1207
1208                 if (!cert)
1209                         {
1210                         ERR_print_errors(bio_err);
1211                         goto end;
1212                         }
1213                 }
1214
1215         if (chain_file)
1216                 {
1217                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1218                                         NULL, e, "client certificate chain");
1219                 if (!chain)
1220                         goto end;
1221                 }
1222
1223         if (crl_file)
1224                 {
1225                 X509_CRL *crl;
1226                 crl = load_crl(crl_file, crl_format);
1227                 if (!crl)
1228                         {
1229                         BIO_puts(bio_err, "Error loading CRL\n");
1230                         ERR_print_errors(bio_err);
1231                         goto end;
1232                         }
1233                 crls = sk_X509_CRL_new_null();
1234                 if (!crls || !sk_X509_CRL_push(crls, crl))
1235                         {
1236                         BIO_puts(bio_err, "Error adding CRL\n");
1237                         ERR_print_errors(bio_err);
1238                         X509_CRL_free(crl);
1239                         goto end;
1240                         }
1241                 }
1242
1243         if (!load_excert(&exc, bio_err))
1244                 goto end;
1245
1246         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1247                 && !RAND_status())
1248                 {
1249                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1250                 }
1251         if (inrand != NULL)
1252                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1253                         app_RAND_load_files(inrand));
1254
1255         if (bio_c_out == NULL)
1256                 {
1257                 if (c_quiet && !c_debug)
1258                         {
1259                         bio_c_out=BIO_new(BIO_s_null());
1260                         if (c_msg && !bio_c_msg)
1261                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1262                         }
1263                 else
1264                         {
1265                         if (bio_c_out == NULL)
1266                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1267                         }
1268                 }
1269
1270 #ifndef OPENSSL_NO_SRP
1271         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1272                 {
1273                 BIO_printf(bio_err, "Error getting password\n");
1274                 goto end;
1275                 }
1276 #endif
1277
1278         ctx=SSL_CTX_new(meth);
1279         if (ctx == NULL)
1280                 {
1281                 ERR_print_errors(bio_err);
1282                 goto end;
1283                 }
1284
1285         if (sdebug)
1286                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1287
1288         if (vpm)
1289                 SSL_CTX_set1_param(ctx, vpm);
1290
1291         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1292                 {
1293                 ERR_print_errors(bio_err);
1294                 goto end;
1295                 }
1296
1297         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1298                                                 crls, crl_download))
1299                 {
1300                 BIO_printf(bio_err, "Error loading store locations\n");
1301                 ERR_print_errors(bio_err);
1302                 goto end;
1303                 }
1304
1305 #ifndef OPENSSL_NO_ENGINE
1306         if (ssl_client_engine)
1307                 {
1308                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1309                         {
1310                         BIO_puts(bio_err, "Error setting client auth engine\n");
1311                         ERR_print_errors(bio_err);
1312                         ENGINE_free(ssl_client_engine);
1313                         goto end;
1314                         }
1315                 ENGINE_free(ssl_client_engine);
1316                 }
1317 #endif
1318
1319 #ifndef OPENSSL_NO_PSK
1320 #ifdef OPENSSL_NO_JPAKE
1321         if (psk_key != NULL)
1322 #else
1323         if (psk_key != NULL || jpake_secret)
1324 #endif
1325                 {
1326                 if (c_debug)
1327                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1328                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1329                 }
1330 #endif
1331 #ifndef OPENSSL_NO_SRTP
1332         if (srtp_profiles != NULL)
1333                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1334 #endif
1335         if (exc) ssl_ctx_set_excert(ctx, exc);
1336         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1337          * Setting read ahead solves this problem.
1338          */
1339         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1340
1341 #if !defined(OPENSSL_NO_TLSEXT)
1342 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1343         if (next_proto.data)
1344                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1345 # endif
1346         if (alpn_in)
1347                 {
1348                 unsigned short alpn_len;
1349                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1350
1351                 if (alpn == NULL)
1352                         {
1353                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1354                         goto end;
1355                         }
1356                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1357                 OPENSSL_free(alpn);
1358                 }
1359 #endif
1360 #ifndef OPENSSL_NO_TLSEXT
1361                 for (i = 0; i < serverinfo_types_count; i++)
1362                         {
1363                         SSL_CTX_add_client_custom_ext(ctx,
1364                                                       serverinfo_types[i],
1365                                                       NULL, NULL, NULL,
1366                                                       serverinfo_cli_parse_cb,
1367                                                       NULL);
1368                         }
1369 #endif
1370
1371         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1372 #if 0
1373         else
1374                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1375 #endif
1376
1377         SSL_CTX_set_verify(ctx,verify,verify_callback);
1378
1379         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1380                 (!SSL_CTX_set_default_verify_paths(ctx)))
1381                 {
1382                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1383                 ERR_print_errors(bio_err);
1384                 /* goto end; */
1385                 }
1386
1387         ssl_ctx_add_crls(ctx, crls, crl_download);
1388
1389         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1390                 goto end;
1391
1392 #ifndef OPENSSL_NO_TLSEXT
1393         if (servername != NULL)
1394                 {
1395                 tlsextcbp.biodebug = bio_err;
1396                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1397                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1398                 }
1399 #ifndef OPENSSL_NO_SRP
1400         if (srp_arg.srplogin)
1401                 {
1402                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1403                         {
1404                         BIO_printf(bio_err,"Unable to set SRP username\n");
1405                         goto end;
1406                         }
1407                 srp_arg.msg = c_msg;
1408                 srp_arg.debug = c_debug ;
1409                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1410                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1411                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1412                 if (c_msg || c_debug || srp_arg.amp == 0)
1413                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1414                 }
1415
1416 #endif
1417 #endif
1418
1419         con=SSL_new(ctx);
1420         if (sess_in)
1421                 {
1422                 SSL_SESSION *sess;
1423                 BIO *stmp = BIO_new_file(sess_in, "r");
1424                 if (!stmp)
1425                         {
1426                         BIO_printf(bio_err, "Can't open session file %s\n",
1427                                                 sess_in);
1428                         ERR_print_errors(bio_err);
1429                         goto end;
1430                         }
1431                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1432                 BIO_free(stmp);
1433                 if (!sess)
1434                         {
1435                         BIO_printf(bio_err, "Can't open session file %s\n",
1436                                                 sess_in);
1437                         ERR_print_errors(bio_err);
1438                         goto end;
1439                         }
1440                 SSL_set_session(con, sess);
1441                 SSL_SESSION_free(sess);
1442                 }
1443
1444         if (fallback_scsv)
1445                 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1446
1447 #ifndef OPENSSL_NO_TLSEXT
1448         if (servername != NULL)
1449                 {
1450                 if (!SSL_set_tlsext_host_name(con,servername))
1451                         {
1452                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1453                         ERR_print_errors(bio_err);
1454                         goto end;
1455                         }
1456                 }
1457 #endif
1458 #ifndef OPENSSL_NO_KRB5
1459         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1460                 {
1461                 SSL_set0_kssl_ctx(con, kctx);
1462                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1463                 }
1464 #endif  /* OPENSSL_NO_KRB5  */
1465 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1466 #if 0
1467 #ifdef TLSEXT_TYPE_opaque_prf_input
1468         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1469 #endif
1470 #endif
1471
1472 re_start:
1473 #ifdef NO_SYS_UN_H
1474         if (init_client(&s,host,port,socket_type) == 0)
1475 #else
1476         if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1477                         (unix_path && (init_client_unix(&s,unix_path) == 0)))
1478 #endif
1479                 {
1480                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1481                 SHUTDOWN(s);
1482                 goto end;
1483                 }
1484         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1485
1486 #ifdef FIONBIO
1487         if (c_nbio)
1488                 {
1489                 unsigned long l=1;
1490                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1491                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1492                         {
1493                         ERR_print_errors(bio_err);
1494                         goto end;
1495                         }
1496                 }
1497 #endif
1498         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1499
1500         if (socket_type == SOCK_DGRAM)
1501                 {
1502
1503                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1504                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1505                         {
1506                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1507                                 get_last_socket_error());
1508                         SHUTDOWN(s);
1509                         goto end;
1510                         }
1511
1512                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1513
1514                 if (enable_timeouts)
1515                         {
1516                         timeout.tv_sec = 0;
1517                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1518                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1519
1520                         timeout.tv_sec = 0;
1521                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1522                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1523                         }
1524
1525                 if (socket_mtu)
1526                         {
1527                         if(socket_mtu < DTLS_get_link_min_mtu(con))
1528                                 {
1529                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1530                                         DTLS_get_link_min_mtu(con));
1531                                 BIO_free(sbio);
1532                                 goto shut;
1533                                 }
1534                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1535                         if(!DTLS_set_link_mtu(con, socket_mtu))
1536                                 {
1537                                 BIO_printf(bio_err, "Failed to set MTU\n");
1538                                 BIO_free(sbio);
1539                                 goto shut;
1540                                 }
1541                         }
1542                 else
1543                         /* want to do MTU discovery */
1544                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1545                 }
1546         else
1547                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1548
1549         if (nbio_test)
1550                 {
1551                 BIO *test;
1552
1553                 test=BIO_new(BIO_f_nbio_test());
1554                 sbio=BIO_push(test,sbio);
1555                 }
1556
1557         if (c_debug)
1558                 {
1559                 SSL_set_debug(con, 1);
1560                 BIO_set_callback(sbio,bio_dump_callback);
1561                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1562                 }
1563         if (c_msg)
1564                 {
1565 #ifndef OPENSSL_NO_SSL_TRACE
1566                 if (c_msg == 2)
1567                         SSL_set_msg_callback(con, SSL_trace);
1568                 else
1569 #endif
1570                         SSL_set_msg_callback(con, msg_cb);
1571                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1572                 }
1573 #ifndef OPENSSL_NO_TLSEXT
1574         if (c_tlsextdebug)
1575                 {
1576                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1577                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1578                 }
1579         if (c_status_req)
1580                 {
1581                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1582                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1583                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1584 #if 0
1585 {
1586 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1587 OCSP_RESPID *id = OCSP_RESPID_new();
1588 id->value.byKey = ASN1_OCTET_STRING_new();
1589 id->type = V_OCSP_RESPID_KEY;
1590 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1591 sk_OCSP_RESPID_push(ids, id);
1592 SSL_set_tlsext_status_ids(con, ids);
1593 }
1594 #endif
1595                 }
1596 #endif
1597 #ifndef OPENSSL_NO_JPAKE
1598         if (jpake_secret)
1599                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1600 #endif
1601
1602         SSL_set_bio(con,sbio,sbio);
1603         SSL_set_connect_state(con);
1604
1605         /* ok, lets connect */
1606         width=SSL_get_fd(con)+1;
1607
1608         read_tty=1;
1609         write_tty=0;
1610         tty_on=0;
1611         read_ssl=1;
1612         write_ssl=1;
1613
1614         cbuf_len=0;
1615         cbuf_off=0;
1616         sbuf_len=0;
1617         sbuf_off=0;
1618
1619         /* This is an ugly hack that does a lot of assumptions */
1620         /* We do have to handle multi-line responses which may come
1621            in a single packet or not. We therefore have to use
1622            BIO_gets() which does need a buffering BIO. So during
1623            the initial chitchat we do push a buffering BIO into the
1624            chain that is removed again later on to not disturb the
1625            rest of the s_client operation. */
1626         if (starttls_proto == PROTO_SMTP)
1627                 {
1628                 int foundit=0;
1629                 BIO *fbio = BIO_new(BIO_f_buffer());
1630                 BIO_push(fbio, sbio);
1631                 /* wait for multi-line response to end from SMTP */
1632                 do
1633                         {
1634                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1635                         }
1636                 while (mbuf_len>3 && mbuf[3]=='-');
1637                 /* STARTTLS command requires EHLO... */
1638                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1639                 (void)BIO_flush(fbio);
1640                 /* wait for multi-line response to end EHLO SMTP response */
1641                 do
1642                         {
1643                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1644                         if (strstr(mbuf,"STARTTLS"))
1645                                 foundit=1;
1646                         }
1647                 while (mbuf_len>3 && mbuf[3]=='-');
1648                 (void)BIO_flush(fbio);
1649                 BIO_pop(fbio);
1650                 BIO_free(fbio);
1651                 if (!foundit)
1652                         BIO_printf(bio_err,
1653                                    "didn't found starttls in server response,"
1654                                    " try anyway...\n");
1655                 BIO_printf(sbio,"STARTTLS\r\n");
1656                 BIO_read(sbio,sbuf,BUFSIZZ);
1657                 }
1658         else if (starttls_proto == PROTO_POP3)
1659                 {
1660                 BIO_read(sbio,mbuf,BUFSIZZ);
1661                 BIO_printf(sbio,"STLS\r\n");
1662                 BIO_read(sbio,sbuf,BUFSIZZ);
1663                 }
1664         else if (starttls_proto == PROTO_IMAP)
1665                 {
1666                 int foundit=0;
1667                 BIO *fbio = BIO_new(BIO_f_buffer());
1668                 BIO_push(fbio, sbio);
1669                 BIO_gets(fbio,mbuf,BUFSIZZ);
1670                 /* STARTTLS command requires CAPABILITY... */
1671                 BIO_printf(fbio,". CAPABILITY\r\n");
1672                 (void)BIO_flush(fbio);
1673                 /* wait for multi-line CAPABILITY response */
1674                 do
1675                         {
1676                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1677                         if (strstr(mbuf,"STARTTLS"))
1678                                 foundit=1;
1679                         }
1680                 while (mbuf_len>3 && mbuf[0]!='.');
1681                 (void)BIO_flush(fbio);
1682                 BIO_pop(fbio);
1683                 BIO_free(fbio);
1684                 if (!foundit)
1685                         BIO_printf(bio_err,
1686                                    "didn't found STARTTLS in server response,"
1687                                    " try anyway...\n");
1688                 BIO_printf(sbio,". STARTTLS\r\n");
1689                 BIO_read(sbio,sbuf,BUFSIZZ);
1690                 }
1691         else if (starttls_proto == PROTO_FTP)
1692                 {
1693                 BIO *fbio = BIO_new(BIO_f_buffer());
1694                 BIO_push(fbio, sbio);
1695                 /* wait for multi-line response to end from FTP */
1696                 do
1697                         {
1698                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1699                         }
1700                 while (mbuf_len>3 && mbuf[3]=='-');
1701                 (void)BIO_flush(fbio);
1702                 BIO_pop(fbio);
1703                 BIO_free(fbio);
1704                 BIO_printf(sbio,"AUTH TLS\r\n");
1705                 BIO_read(sbio,sbuf,BUFSIZZ);
1706                 }
1707         if (starttls_proto == PROTO_XMPP)
1708                 {
1709                 int seen = 0;
1710                 BIO_printf(sbio,"<stream:stream "
1711                     "xmlns:stream='http://etherx.jabber.org/streams' "
1712                     "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1713                            xmpphost : host);
1714                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1715                 mbuf[seen] = 0;
1716                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1717                                 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1718                         {
1719                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1720
1721                         if (seen <= 0)
1722                                 goto shut;
1723
1724                         mbuf[seen] = 0;
1725                         }
1726                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1727                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1728                 sbuf[seen] = 0;
1729                 if (!strstr(sbuf, "<proceed"))
1730                         goto shut;
1731                 mbuf[0] = 0;
1732                 }
1733
1734         for (;;)
1735                 {
1736                 FD_ZERO(&readfds);
1737                 FD_ZERO(&writefds);
1738
1739                 if ((SSL_version(con) == DTLS1_VERSION) &&
1740                         DTLSv1_get_timeout(con, &timeout))
1741                         timeoutp = &timeout;
1742                 else
1743                         timeoutp = NULL;
1744
1745                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1746                         {
1747                         in_init=1;
1748                         tty_on=0;
1749                         }
1750                 else
1751                         {
1752                         tty_on=1;
1753                         if (in_init)
1754                                 {
1755                                 in_init=0;
1756 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1757 #ifndef OPENSSL_NO_TLSEXT
1758                                 if (servername != NULL && !SSL_session_reused(con))
1759                                         {
1760                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1761                                         }
1762 #endif
1763 #endif
1764                                 if (sess_out)
1765                                         {
1766                                         BIO *stmp = BIO_new_file(sess_out, "w");
1767                                         if (stmp)
1768                                                 {
1769                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1770                                                 BIO_free(stmp);
1771                                                 }
1772                                         else
1773                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1774                                         }
1775                                 if (c_brief)
1776                                         {
1777                                         BIO_puts(bio_err,
1778                                                 "CONNECTION ESTABLISHED\n");
1779                                         print_ssl_summary(bio_err, con);
1780                                         }
1781
1782                                 print_stuff(bio_c_out,con,full_log);
1783                                 if (full_log > 0) full_log--;
1784
1785                                 if (starttls_proto)
1786                                         {
1787                                         BIO_printf(bio_err,"%s",mbuf);
1788                                         /* We don't need to know any more */
1789                                         starttls_proto = PROTO_OFF;
1790                                         }
1791
1792                                 if (reconnect)
1793                                         {
1794                                         reconnect--;
1795                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1796                                         SSL_shutdown(con);
1797                                         SSL_set_connect_state(con);
1798                                         SHUTDOWN(SSL_get_fd(con));
1799                                         goto re_start;
1800                                         }
1801                                 }
1802                         }
1803
1804                 ssl_pending = read_ssl && SSL_pending(con);
1805
1806                 if (!ssl_pending)
1807                         {
1808 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE)
1809                         if (tty_on)
1810                                 {
1811                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1812                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1813                                 }
1814                         if (read_ssl)
1815                                 openssl_fdset(SSL_get_fd(con),&readfds);
1816                         if (write_ssl)
1817                                 openssl_fdset(SSL_get_fd(con),&writefds);
1818 #else
1819                         if(!tty_on || !write_tty) {
1820                                 if (read_ssl)
1821                                         openssl_fdset(SSL_get_fd(con),&readfds);
1822                                 if (write_ssl)
1823                                         openssl_fdset(SSL_get_fd(con),&writefds);
1824                         }
1825 #endif
1826 /*-                     printf("mode tty(%d %d%d) ssl(%d%d)\n",
1827                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1828
1829                         /* Note: under VMS with SOCKETSHR the second parameter
1830                          * is currently of type (int *) whereas under other
1831                          * systems it is (void *) if you don't have a cast it
1832                          * will choke the compiler: if you do have a cast then
1833                          * you can either go for (int *) or (void *).
1834                          */
1835 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1836                         /* Under Windows/DOS we make the assumption that we can
1837                          * always write to the tty: therefore if we need to
1838                          * write to the tty we just fall through. Otherwise
1839                          * we timeout the select every second and see if there
1840                          * are any keypresses. Note: this is a hack, in a proper
1841                          * Windows application we wouldn't do this.
1842                          */
1843                         i=0;
1844                         if(!write_tty) {
1845                                 if(read_tty) {
1846                                         tv.tv_sec = 1;
1847                                         tv.tv_usec = 0;
1848                                         i=select(width,(void *)&readfds,(void *)&writefds,
1849                                                  NULL,&tv);
1850 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1851                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1852 #else
1853                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1854 #endif
1855                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1856                                          NULL,timeoutp);
1857                         }
1858 #elif defined(OPENSSL_SYS_NETWARE)
1859                         if(!write_tty) {
1860                                 if(read_tty) {
1861                                         tv.tv_sec = 1;
1862                                         tv.tv_usec = 0;
1863                                         i=select(width,(void *)&readfds,(void *)&writefds,
1864                                                 NULL,&tv);
1865                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1866                                         NULL,timeoutp);
1867                         }
1868 #else
1869                         i=select(width,(void *)&readfds,(void *)&writefds,
1870                                  NULL,timeoutp);
1871 #endif
1872                         if ( i < 0)
1873                                 {
1874                                 BIO_printf(bio_err,"bad select %d\n",
1875                                 get_last_socket_error());
1876                                 goto shut;
1877                                 /* goto end; */
1878                                 }
1879                         }
1880
1881                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1882                         {
1883                         BIO_printf(bio_err,"TIMEOUT occurred\n");
1884                         }
1885
1886                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1887                         {
1888                         k=SSL_write(con,&(cbuf[cbuf_off]),
1889                                 (unsigned int)cbuf_len);
1890                         switch (SSL_get_error(con,k))
1891                                 {
1892                         case SSL_ERROR_NONE:
1893                                 cbuf_off+=k;
1894                                 cbuf_len-=k;
1895                                 if (k <= 0) goto end;
1896                                 /* we have done a  write(con,NULL,0); */
1897                                 if (cbuf_len <= 0)
1898                                         {
1899                                         read_tty=1;
1900                                         write_ssl=0;
1901                                         }
1902                                 else /* if (cbuf_len > 0) */
1903                                         {
1904                                         read_tty=0;
1905                                         write_ssl=1;
1906                                         }
1907                                 break;
1908                         case SSL_ERROR_WANT_WRITE:
1909                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1910                                 write_ssl=1;
1911                                 read_tty=0;
1912                                 break;
1913                         case SSL_ERROR_WANT_READ:
1914                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1915                                 write_tty=0;
1916                                 read_ssl=1;
1917                                 write_ssl=0;
1918                                 break;
1919                         case SSL_ERROR_WANT_X509_LOOKUP:
1920                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1921                                 break;
1922                         case SSL_ERROR_ZERO_RETURN:
1923                                 if (cbuf_len != 0)
1924                                         {
1925                                         BIO_printf(bio_c_out,"shutdown\n");
1926                                         ret = 0;
1927                                         goto shut;
1928                                         }
1929                                 else
1930                                         {
1931                                         read_tty=1;
1932                                         write_ssl=0;
1933                                         break;
1934                                         }
1935
1936                         case SSL_ERROR_SYSCALL:
1937                                 if ((k != 0) || (cbuf_len != 0))
1938                                         {
1939                                         BIO_printf(bio_err,"write:errno=%d\n",
1940                                                 get_last_socket_error());
1941                                         goto shut;
1942                                         }
1943                                 else
1944                                         {
1945                                         read_tty=1;
1946                                         write_ssl=0;
1947                                         }
1948                                 break;
1949                         case SSL_ERROR_SSL:
1950                                 ERR_print_errors(bio_err);
1951                                 goto shut;
1952                                 }
1953                         }
1954 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE)
1955                 /* Assume Windows/DOS/BeOS can always write */
1956                 else if (!ssl_pending && write_tty)
1957 #else
1958                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1959 #endif
1960                         {
1961 #ifdef CHARSET_EBCDIC
1962                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1963 #endif
1964                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1965
1966                         if (i <= 0)
1967                                 {
1968                                 BIO_printf(bio_c_out,"DONE\n");
1969                                 ret = 0;
1970                                 goto shut;
1971                                 /* goto end; */
1972                                 }
1973
1974                         sbuf_len-=i;;
1975                         sbuf_off+=i;
1976                         if (sbuf_len <= 0)
1977                                 {
1978                                 read_ssl=1;
1979                                 write_tty=0;
1980                                 }
1981                         }
1982                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1983                         {
1984 #ifdef RENEG
1985 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1986 #endif
1987 #if 1
1988                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1989 #else
1990 /* Demo for pending and peek :-) */
1991                         k=SSL_read(con,sbuf,16);
1992 { char zbuf[10240];
1993 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1994 }
1995 #endif
1996
1997                         switch (SSL_get_error(con,k))
1998                                 {
1999                         case SSL_ERROR_NONE:
2000                                 if (k <= 0)
2001                                         goto end;
2002                                 sbuf_off=0;
2003                                 sbuf_len=k;
2004
2005                                 read_ssl=0;
2006                                 write_tty=1;
2007                                 break;
2008                         case SSL_ERROR_WANT_WRITE:
2009                                 BIO_printf(bio_c_out,"read W BLOCK\n");
2010                                 write_ssl=1;
2011                                 read_tty=0;
2012                                 break;
2013                         case SSL_ERROR_WANT_READ:
2014                                 BIO_printf(bio_c_out,"read R BLOCK\n");
2015                                 write_tty=0;
2016                                 read_ssl=1;
2017                                 if ((read_tty == 0) && (write_ssl == 0))
2018                                         write_ssl=1;
2019                                 break;
2020                         case SSL_ERROR_WANT_X509_LOOKUP:
2021                                 BIO_printf(bio_c_out,"read X BLOCK\n");
2022                                 break;
2023                         case SSL_ERROR_SYSCALL:
2024                                 ret=get_last_socket_error();
2025                                 if (c_brief)
2026                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2027                                 else
2028                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2029                                 goto shut;
2030                         case SSL_ERROR_ZERO_RETURN:
2031                                 BIO_printf(bio_c_out,"closed\n");
2032                                 ret=0;
2033                                 goto shut;
2034                         case SSL_ERROR_SSL:
2035                                 ERR_print_errors(bio_err);
2036                                 goto shut;
2037                                 /* break; */
2038                                 }
2039                         }
2040
2041 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2042 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2043                 else if (_kbhit())
2044 #else
2045                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2046 #endif
2047 #elif defined (OPENSSL_SYS_NETWARE)
2048                 else if (_kbhit())
2049 #else
2050                 else if (FD_ISSET(fileno(stdin),&readfds))
2051 #endif
2052                         {
2053                         if (crlf)
2054                                 {
2055                                 int j, lf_num;
2056
2057                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2058                                 lf_num = 0;
2059                                 /* both loops are skipped when i <= 0 */
2060                                 for (j = 0; j < i; j++)
2061                                         if (cbuf[j] == '\n')
2062                                                 lf_num++;
2063                                 for (j = i-1; j >= 0; j--)
2064                                         {
2065                                         cbuf[j+lf_num] = cbuf[j];
2066                                         if (cbuf[j] == '\n')
2067                                                 {
2068                                                 lf_num--;
2069                                                 i++;
2070                                                 cbuf[j+lf_num] = '\r';
2071                                                 }
2072                                         }
2073                                 assert(lf_num == 0);
2074                                 }
2075                         else
2076                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2077
2078                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2079                                 {
2080                                 BIO_printf(bio_err,"DONE\n");
2081                                 ret=0;
2082                                 goto shut;
2083                                 }
2084
2085                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2086                                 {
2087                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2088                                 SSL_renegotiate(con);
2089                                 cbuf_len=0;
2090                                 }
2091 #ifndef OPENSSL_NO_HEARTBEATS
2092                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2093                                 {
2094                                 BIO_printf(bio_err,"HEARTBEATING\n");
2095                                 SSL_heartbeat(con);
2096                                 cbuf_len=0;
2097                                 }
2098 #endif
2099                         else
2100                                 {
2101                                 cbuf_len=i;
2102                                 cbuf_off=0;
2103 #ifdef CHARSET_EBCDIC
2104                                 ebcdic2ascii(cbuf, cbuf, i);
2105 #endif
2106                                 }
2107
2108                         write_ssl=1;
2109                         read_tty=0;
2110                         }
2111                 }
2112
2113         ret=0;
2114 shut:
2115         if (in_init)
2116                 print_stuff(bio_c_out,con,full_log);
2117         SSL_shutdown(con);
2118         SHUTDOWN(SSL_get_fd(con));
2119 end:
2120         if (con != NULL)
2121                 {
2122                 if (prexit != 0)
2123                         print_stuff(bio_c_out,con,1);
2124                 SSL_free(con);
2125                 }
2126 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2127         if (next_proto.data)
2128                 OPENSSL_free(next_proto.data);
2129 #endif
2130         if (ctx != NULL) SSL_CTX_free(ctx);
2131         if (cert)
2132                 X509_free(cert);
2133         if (crls)
2134                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2135         if (key)
2136                 EVP_PKEY_free(key);
2137         if (chain)
2138                 sk_X509_pop_free(chain, X509_free);
2139         if (pass)
2140                 OPENSSL_free(pass);
2141         if (vpm)
2142                 X509_VERIFY_PARAM_free(vpm);
2143         ssl_excert_free(exc);
2144         if (ssl_args)
2145                 sk_OPENSSL_STRING_free(ssl_args);
2146         if (cctx)
2147                 SSL_CONF_CTX_free(cctx);
2148 #ifndef OPENSSL_NO_JPAKE
2149         if (jpake_secret && psk_key)
2150                 OPENSSL_free(psk_key);
2151 #endif
2152         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2153         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2154         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2155         if (bio_c_out != NULL)
2156                 {
2157                 BIO_free(bio_c_out);
2158                 bio_c_out=NULL;
2159                 }
2160         if (bio_c_msg != NULL)
2161                 {
2162                 BIO_free(bio_c_msg);
2163                 bio_c_msg=NULL;
2164                 }
2165         apps_shutdown();
2166         OPENSSL_EXIT(ret);
2167         }
2168
2169
2170 static void print_stuff(BIO *bio, SSL *s, int full)
2171         {
2172         X509 *peer=NULL;
2173         char buf[BUFSIZ];
2174         STACK_OF(X509) *sk;
2175         STACK_OF(X509_NAME) *sk2;
2176         const SSL_CIPHER *c;
2177         X509_NAME *xn;
2178         int i;
2179 #ifndef OPENSSL_NO_COMP
2180         const COMP_METHOD *comp, *expansion;
2181 #endif
2182         unsigned char *exportedkeymat;
2183
2184         if (full)
2185                 {
2186                 int got_a_chain = 0;
2187
2188                 sk=SSL_get_peer_cert_chain(s);
2189                 if (sk != NULL)
2190                         {
2191                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2192
2193                         BIO_printf(bio,"---\nCertificate chain\n");
2194                         for (i=0; i<sk_X509_num(sk); i++)
2195                                 {
2196                                 X509_NAME_oneline(X509_get_subject_name(
2197                                         sk_X509_value(sk,i)),buf,sizeof buf);
2198                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2199                                 X509_NAME_oneline(X509_get_issuer_name(
2200                                         sk_X509_value(sk,i)),buf,sizeof buf);
2201                                 BIO_printf(bio,"   i:%s\n",buf);
2202                                 if (c_showcerts)
2203                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2204                                 }
2205                         }
2206
2207                 BIO_printf(bio,"---\n");
2208                 peer=SSL_get_peer_certificate(s);
2209                 if (peer != NULL)
2210                         {
2211                         BIO_printf(bio,"Server certificate\n");
2212                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2213                                 PEM_write_bio_X509(bio,peer);
2214                         X509_NAME_oneline(X509_get_subject_name(peer),
2215                                 buf,sizeof buf);
2216                         BIO_printf(bio,"subject=%s\n",buf);
2217                         X509_NAME_oneline(X509_get_issuer_name(peer),
2218                                 buf,sizeof buf);
2219                         BIO_printf(bio,"issuer=%s\n",buf);
2220                         }
2221                 else
2222                         BIO_printf(bio,"no peer certificate available\n");
2223
2224                 sk2=SSL_get_client_CA_list(s);
2225                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2226                         {
2227                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2228                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2229                                 {
2230                                 xn=sk_X509_NAME_value(sk2,i);
2231                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2232                                 BIO_write(bio,buf,strlen(buf));
2233                                 BIO_write(bio,"\n",1);
2234                                 }
2235                         }
2236                 else
2237                         {
2238                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2239                         }
2240
2241                 ssl_print_sigalgs(bio, s);
2242                 ssl_print_tmp_key(bio, s);
2243
2244                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2245                         BIO_number_read(SSL_get_rbio(s)),
2246                         BIO_number_written(SSL_get_wbio(s)));
2247                 }
2248         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2249         c=SSL_get_current_cipher(s);
2250         BIO_printf(bio,"%s, Cipher is %s\n",
2251                 SSL_CIPHER_get_version(c),
2252                 SSL_CIPHER_get_name(c));
2253         if (peer != NULL) {
2254                 EVP_PKEY *pktmp;
2255                 pktmp = X509_get_pubkey(peer);
2256                 BIO_printf(bio,"Server public key is %d bit\n",
2257                                                          EVP_PKEY_bits(pktmp));
2258                 EVP_PKEY_free(pktmp);
2259         }
2260         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2261                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2262 #ifndef OPENSSL_NO_COMP
2263         comp=SSL_get_current_compression(s);
2264         expansion=SSL_get_current_expansion(s);
2265         BIO_printf(bio,"Compression: %s\n",
2266                 comp ? SSL_COMP_get_name(comp) : "NONE");
2267         BIO_printf(bio,"Expansion: %s\n",
2268                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2269 #endif
2270
2271 #ifdef SSL_DEBUG
2272         {
2273         /* Print out local port of connection: useful for debugging */
2274         int sock;
2275         struct sockaddr_in ladd;
2276         socklen_t ladd_size = sizeof(ladd);
2277         sock = SSL_get_fd(s);
2278         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2279         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2280         }
2281 #endif
2282
2283 #if !defined(OPENSSL_NO_TLSEXT)
2284 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2285         if (next_proto.status != -1) {
2286                 const unsigned char *proto;
2287                 unsigned int proto_len;
2288                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2289                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2290                 BIO_write(bio, proto, proto_len);
2291                 BIO_write(bio, "\n", 1);
2292         }
2293 # endif
2294         {
2295                 const unsigned char *proto;
2296                 unsigned int proto_len;
2297                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2298                 if (proto_len > 0)
2299                         {
2300                         BIO_printf(bio, "ALPN protocol: ");
2301                         BIO_write(bio, proto, proto_len);
2302                         BIO_write(bio, "\n", 1);
2303                         }
2304                 else
2305                         BIO_printf(bio, "No ALPN negotiated\n");
2306         }
2307 #endif
2308
2309 #ifndef OPENSSL_NO_SRTP
2310         {
2311         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2312
2313         if(srtp_profile)
2314                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2315                            srtp_profile->name);
2316         }
2317 #endif
2318
2319         SSL_SESSION_print(bio,SSL_get_session(s));
2320         if (keymatexportlabel != NULL)
2321                 {
2322                 BIO_printf(bio, "Keying material exporter:\n");
2323                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2324                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2325                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2326                 if (exportedkeymat != NULL)
2327                         {
2328                         if (!SSL_export_keying_material(s, exportedkeymat,
2329                                                         keymatexportlen,
2330                                                         keymatexportlabel,
2331                                                         strlen(keymatexportlabel),
2332                                                         NULL, 0, 0))
2333                                 {
2334                                 BIO_printf(bio, "    Error\n");
2335                                 }
2336                         else
2337                                 {
2338                                 BIO_printf(bio, "    Keying material: ");
2339                                 for (i=0; i<keymatexportlen; i++)
2340                                         BIO_printf(bio, "%02X",
2341                                                    exportedkeymat[i]);
2342                                 BIO_printf(bio, "\n");
2343                                 }
2344                         OPENSSL_free(exportedkeymat);
2345                         }
2346                 }
2347         BIO_printf(bio,"---\n");
2348         if (peer != NULL)
2349                 X509_free(peer);
2350         /* flush, or debugging output gets mixed with http response */
2351         (void)BIO_flush(bio);
2352         }
2353
2354 #ifndef OPENSSL_NO_TLSEXT
2355
2356 static int ocsp_resp_cb(SSL *s, void *arg)
2357         {
2358         const unsigned char *p;
2359         int len;
2360         OCSP_RESPONSE *rsp;
2361         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2362         BIO_puts(arg, "OCSP response: ");
2363         if (!p)
2364                 {
2365                 BIO_puts(arg, "no response sent\n");
2366                 return 1;
2367                 }
2368         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2369         if (!rsp)
2370                 {
2371                 BIO_puts(arg, "response parse error\n");
2372                 BIO_dump_indent(arg, (char *)p, len, 4);
2373                 return 0;
2374                 }
2375         BIO_puts(arg, "\n======================================\n");
2376         OCSP_RESPONSE_print(arg, rsp, 0);
2377         BIO_puts(arg, "======================================\n");
2378         OCSP_RESPONSE_free(rsp);
2379         return 1;
2380         }
2381
2382 #endif