apps/s_client.c

   1 /* apps/s_client.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2005 Nokia. All rights reserved.
 113  *
 114  * The portions of the attached software ("Contribution") is developed by
 115  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 116  * license.
 117  *
 118  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 119  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 120  * support (see RFC 4279) to OpenSSL.
 121  *
 122  * No patent licenses or other rights except those expressly stated in
 123  * the OpenSSL open source license shall be deemed granted or received
 124  * expressly, by implication, estoppel, or otherwise.
 125  *
 126  * No assurances are provided by Nokia that the Contribution does not
 127  * infringe the patent or other intellectual property rights of any third
 128  * party or that the license provides you with all the necessary rights
 129  * to make use of the Contribution.
 130  *
 131  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 132  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 133  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 134  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 135  * OTHERWISE.
 136  */
 137
 138 #include <assert.h>
 139 #include <ctype.h>
 140 #include <stdio.h>
 141 #include <stdlib.h>
 142 #include <string.h>
 143 #include <openssl/e_os2.h>
 144 #ifdef OPENSSL_NO_STDIO
 145 #define APPS_WIN16
 146 #endif
 147
 148 /* With IPv6, it looks like Digital has mixed up the proper order of
 149    recursive header file inclusion, resulting in the compiler complaining
 150    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 151    is needed to have fileno() declared correctly...  So let's define u_int */
 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 153 #define __U_INT
 154 typedef unsigned int u_int;
 155 #endif
 156
 157 #define USE_SOCKETS
 158 #include "apps.h"
 159 #include <openssl/x509.h>
 160 #include <openssl/ssl.h>
 161 #include <openssl/err.h>
 162 #include <openssl/pem.h>
 163 #include <openssl/rand.h>
 164 #include <openssl/ocsp.h>
 165 #include <openssl/bn.h>
 166 #ifndef OPENSSL_NO_SRP
 167 #include <openssl/srp.h>
 168 #endif
 169 #include "s_apps.h"
 170 #include "timeouts.h"
 171
 172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 174 #undef FIONBIO
 175 #endif
 176
 177 #if defined(OPENSSL_SYS_BEOS_R5)
 178 #include <fcntl.h>
 179 #endif
 180
 181 #undef PROG
 182 #define PROG    s_client_main
 183
 184 /*#define SSL_HOST_NAME "www.netscape.com" */
 185 /*#define SSL_HOST_NAME "193.118.187.102" */
 186 #define SSL_HOST_NAME   "localhost"
 187
 188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 189
 190 #undef BUFSIZZ
 191 #define BUFSIZZ 1024*8
 192
 193 extern int verify_depth;
 194 extern int verify_error;
 195 extern int verify_return_error;
 196 extern int verify_quiet;
 197
 198 #ifdef FIONBIO
 199 static int c_nbio=0;
 200 #endif
 201 static int c_Pause=0;
 202 static int c_debug=0;
 203 #ifndef OPENSSL_NO_TLSEXT
 204 static int c_tlsextdebug=0;
 205 static int c_status_req=0;
 206 static int c_proof_debug=0;
 207 #endif
 208 static int c_msg=0;
 209 static int c_showcerts=0;
 210
 211 static char *keymatexportlabel=NULL;
 212 static int keymatexportlen=20;
 213
 214 static void sc_usage(void);
 215 static void print_stuff(BIO *berr,SSL *con,int full);
 216 #ifndef OPENSSL_NO_TLSEXT
 217 static int ocsp_resp_cb(SSL *s, void *arg);
 218 static int audit_proof_cb(SSL *s, void *arg);
 219 #endif
 220 static BIO *bio_c_out=NULL;
 221 static BIO *bio_c_msg=NULL;
 222 static int c_quiet=0;
 223 static int c_ign_eof=0;
 224 static int c_brief=0;
 225
 226 #ifndef OPENSSL_NO_PSK
 227 /* Default PSK identity and key */
 228 static char *psk_identity="Client_identity";
 229 /*char *psk_key=NULL;  by default PSK is not used */
 230
 231 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 232         unsigned int max_identity_len, unsigned char *psk,
 233         unsigned int max_psk_len)
 234         {
 235         unsigned int psk_len = 0;
 236         int ret;
 237         BIGNUM *bn=NULL;
 238
 239         if (c_debug)
 240                 BIO_printf(bio_c_out, "psk_client_cb\n");
 241         if (!hint)
 242                 {
 243                 /* no ServerKeyExchange message*/
 244                 if (c_debug)
 245                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 246                 }
 247         else if (c_debug)
 248                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 249
 250         /* lookup PSK identity and PSK key based on the given identity hint here */
 251         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 252         if (ret < 0 || (unsigned int)ret > max_identity_len)
 253                 goto out_err;
 254         if (c_debug)
 255                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 256         ret=BN_hex2bn(&bn, psk_key);
 257         if (!ret)
 258                 {
 259                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 260                 if (bn)
 261                         BN_free(bn);
 262                 return 0;
 263                 }
 264
 265         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 266                 {
 267                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 268                         max_psk_len, BN_num_bytes(bn));
 269                 BN_free(bn);
 270                 return 0;
 271                 }
 272
 273         psk_len=BN_bn2bin(bn, psk);
 274         BN_free(bn);
 275         if (psk_len == 0)
 276                 goto out_err;
 277
 278         if (c_debug)
 279                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 280
 281         return psk_len;
 282  out_err:
 283         if (c_debug)
 284                 BIO_printf(bio_err, "Error in PSK client callback\n");
 285         return 0;
 286         }
 287 #endif
 288
 289 static void sc_usage(void)
 290         {
 291         BIO_printf(bio_err,"usage: s_client args\n");
 292         BIO_printf(bio_err,"\n");
 293         BIO_printf(bio_err," -host host     - use -connect instead\n");
 294         BIO_printf(bio_err," -port port     - use -connect instead\n");
 295         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 296         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 297         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 298         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 299         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 300         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 301         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 302         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 303         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 304         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 305         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 306         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 307         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 308         BIO_printf(bio_err," -debug        - extra output\n");
 309 #ifdef WATT32
 310         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 311 #endif
 312         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 313         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 314         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 315 #ifdef FIONBIO
 316         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 317 #endif
 318         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 319         BIO_printf(bio_err," -quiet        - no s_client output\n");
 320         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 321         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 322 #ifndef OPENSSL_NO_PSK
 323         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 324         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 325 # ifndef OPENSSL_NO_JPAKE
 326         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 327 # endif
 328 #endif
 329 #ifndef OPENSSL_NO_SRP
 330         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 331         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 332         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 333         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 334         BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
 335 #endif
 336         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 337         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 338         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 339         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 340         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 341         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 342         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 343         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 344         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 345         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 346         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 347         BIO_printf(bio_err,"                 command to see what is available\n");
 348         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 349         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 350         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 351         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 352         BIO_printf(bio_err,"                 are supported.\n");
 353 #ifndef OPENSSL_NO_ENGINE
 354         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 355 #endif
 356         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 357         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 358         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 359 #ifndef OPENSSL_NO_TLSEXT
 360         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 361         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 362         BIO_printf(bio_err," -status           - request certificate status from server\n");
 363         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 364         BIO_printf(bio_err," -proof_debug      - request an audit proof and print its hex dump\n");
 365 # ifndef OPENSSL_NO_NEXTPROTONEG
 366         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 367         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 368 # endif
 369 #ifndef OPENSSL_NO_TLSEXT
 370         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 371 #endif
 372 #endif
 373         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 374         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 375         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 376         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 377         }
 378
 379 #ifndef OPENSSL_NO_TLSEXT
 380
 381 /* This is a context that we pass to callbacks */
 382 typedef struct tlsextctx_st {
 383    BIO * biodebug;
 384    int ack;
 385 } tlsextctx;
 386
 387
 388 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 389         {
 390         tlsextctx * p = (tlsextctx *) arg;
 391         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 392         if (SSL_get_servername_type(s) != -1)
 393                 p->ack = !SSL_session_reused(s) && hn != NULL;
 394         else
 395                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 396
 397         return SSL_TLSEXT_ERR_OK;
 398         }
 399
 400 #ifndef OPENSSL_NO_SRP
 401
 402 /* This is a context that we pass to all callbacks */
 403 typedef struct srp_arg_st
 404         {
 405         char *srppassin;
 406         char *srplogin;
 407         int msg;   /* copy from c_msg */
 408         int debug; /* copy from c_debug */
 409         int amp;   /* allow more groups */
 410         int strength /* minimal size for N */ ;
 411         } SRP_ARG;
 412
 413 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 414
 415 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
 416         {
 417         BN_CTX *bn_ctx = BN_CTX_new();
 418         BIGNUM *p = BN_new();
 419         BIGNUM *r = BN_new();
 420         int ret =
 421                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 422                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 423                 p != NULL && BN_rshift1(p, N) &&
 424
 425                 /* p = (N-1)/2 */
 426                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 427                 r != NULL &&
 428
 429                 /* verify g^((N-1)/2) == -1 (mod N) */
 430                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 431                 BN_add_word(r, 1) &&
 432                 BN_cmp(r, N) == 0;
 433
 434         if(r)
 435                 BN_free(r);
 436         if(p)
 437                 BN_free(p);
 438         if(bn_ctx)
 439                 BN_CTX_free(bn_ctx);
 440         return ret;
 441         }
 442
 443 /* This callback is used here for two purposes:
 444    - extended debugging
 445    - making some primality tests for unknown groups
 446    The callback is only called for a non default group.
 447
 448    An application does not need the call back at all if
 449    only the stanard groups are used.  In real life situations,
 450    client and server already share well known groups,
 451    thus there is no need to verify them.
 452    Furthermore, in case that a server actually proposes a group that
 453    is not one of those defined in RFC 5054, it is more appropriate
 454    to add the group to a static list and then compare since
 455    primality tests are rather cpu consuming.
 456 */
 457
 458 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 459         {
 460         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 461         BIGNUM *N = NULL, *g = NULL;
 462         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 463                 return 0;
 464         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 465                 {
 466                 BIO_printf(bio_err, "SRP parameters:\n");
 467                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 468                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 469                 BIO_printf(bio_err,"\n");
 470                 }
 471
 472         if (SRP_check_known_gN_param(g,N))
 473                 return 1;
 474
 475         if (srp_arg->amp == 1)
 476                 {
 477                 if (srp_arg->debug)
 478                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 479
 480 /* The srp_moregroups is a real debugging feature.
 481    Implementors should rather add the value to the known ones.
 482    The minimal size has already been tested.
 483 */
 484                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 485                         return 1;
 486                 }
 487         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 488         return 0;
 489         }
 490
 491 #define PWD_STRLEN 1024
 492
 493 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 494         {
 495         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 496         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 497         PW_CB_DATA cb_tmp;
 498         int l;
 499
 500         cb_tmp.password = (char *)srp_arg->srppassin;
 501         cb_tmp.prompt_info = "SRP user";
 502         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 503                 {
 504                 BIO_printf (bio_err, "Can't read Password\n");
 505                 OPENSSL_free(pass);
 506                 return NULL;
 507                 }
 508         *(pass+l)= '\0';
 509
 510         return pass;
 511         }
 512
 513 #endif
 514         char *srtp_profiles = NULL;
 515
 516 # ifndef OPENSSL_NO_NEXTPROTONEG
 517 /* This the context that we pass to next_proto_cb */
 518 typedef struct tlsextnextprotoctx_st {
 519         unsigned char *data;
 520         unsigned short len;
 521         int status;
 522 } tlsextnextprotoctx;
 523
 524 static tlsextnextprotoctx next_proto;
 525
 526 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 527         {
 528         tlsextnextprotoctx *ctx = arg;
 529
 530         if (!c_quiet)
 531                 {
 532                 /* We can assume that |in| is syntactically valid. */
 533                 unsigned i;
 534                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 535                 for (i = 0; i < inlen; )
 536                         {
 537                         if (i)
 538                                 BIO_write(bio_c_out, ", ", 2);
 539                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 540                         i += in[i] + 1;
 541                         }
 542                 BIO_write(bio_c_out, "\n", 1);
 543                 }
 544
 545         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 546         return SSL_TLSEXT_ERR_OK;
 547         }
 548 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 549
 550 static int serverinfo_cli_cb(SSL* s, unsigned short ext_type,
 551                              const unsigned char* in, unsigned short inlen,
 552                              int* al, void* arg)
 553         {
 554         char pem_name[100];
 555         unsigned char ext_buf[4 + 65536];
 556
 557         /* Reconstruct the type/len fields prior to extension data */
 558         ext_buf[0] = ext_type >> 8;
 559         ext_buf[1] = ext_type & 0xFF;
 560         ext_buf[2] = inlen >> 8;
 561         ext_buf[3] = inlen & 0xFF;
 562         memcpy(ext_buf+4, in, inlen);
 563
 564         BIO_snprintf(pem_name, sizeof(pem_name), "SERVER_INFO %d", ext_type);
 565         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 566         return 1;
 567         }
 568
 569 #endif
 570
 571 enum
 572 {
 573         PROTO_OFF       = 0,
 574         PROTO_SMTP,
 575         PROTO_POP3,
 576         PROTO_IMAP,
 577         PROTO_FTP,
 578         PROTO_XMPP
 579 };
 580
 581 int MAIN(int, char **);
 582
 583 int MAIN(int argc, char **argv)
 584         {
 585         int build_chain = 0;
 586         SSL *con=NULL;
 587 #ifndef OPENSSL_NO_KRB5
 588         KSSL_CTX *kctx;
 589 #endif
 590         int s,k,width,state=0;
 591         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 592         int cbuf_len,cbuf_off;
 593         int sbuf_len,sbuf_off;
 594         fd_set readfds,writefds;
 595         short port=PORT;
 596         int full_log=1;
 597         char *host=SSL_HOST_NAME;
 598         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 599         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 600         char *passarg = NULL, *pass = NULL;
 601         X509 *cert = NULL;
 602         EVP_PKEY *key = NULL;
 603         STACK_OF(X509) *chain = NULL;
 604         char *CApath=NULL,*CAfile=NULL;
 605         char *chCApath=NULL,*chCAfile=NULL;
 606         char *vfyCApath=NULL,*vfyCAfile=NULL;
 607         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 608         int crlf=0;
 609         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 610         SSL_CTX *ctx=NULL;
 611         int ret=1,in_init=1,i,nbio_test=0;
 612         int starttls_proto = PROTO_OFF;
 613         int prexit = 0;
 614         X509_VERIFY_PARAM *vpm = NULL;
 615         int badarg = 0;
 616         const SSL_METHOD *meth=NULL;
 617         int socket_type=SOCK_STREAM;
 618         BIO *sbio;
 619         char *inrand=NULL;
 620         int mbuf_len=0;
 621         struct timeval timeout, *timeoutp;
 622 #ifndef OPENSSL_NO_ENGINE
 623         char *engine_id=NULL;
 624         char *ssl_client_engine_id=NULL;
 625         ENGINE *ssl_client_engine=NULL;
 626 #endif
 627         ENGINE *e=NULL;
 628 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 629         struct timeval tv;
 630 #if defined(OPENSSL_SYS_BEOS_R5)
 631         int stdin_set = 0;
 632 #endif
 633 #endif
 634 #ifndef OPENSSL_NO_TLSEXT
 635         char *servername = NULL;
 636         tlsextctx tlsextcbp =
 637         {NULL,0};
 638 # ifndef OPENSSL_NO_NEXTPROTONEG
 639         const char *next_proto_neg_in = NULL;
 640         const char *alpn_in = NULL;
 641 # endif
 642 # define MAX_SI_TYPES 100
 643         unsigned short serverinfo_types[MAX_SI_TYPES];
 644         int serverinfo_types_count = 0;
 645 #endif
 646         char *sess_in = NULL;
 647         char *sess_out = NULL;
 648         struct sockaddr peer;
 649         int peerlen = sizeof(peer);
 650         int enable_timeouts = 0 ;
 651         long socket_mtu = 0;
 652 #ifndef OPENSSL_NO_JPAKE
 653 static char *jpake_secret = NULL;
 654 #define no_jpake !jpake_secret
 655 #else
 656 #define no_jpake 1
 657 #endif
 658 #ifndef OPENSSL_NO_SRP
 659         char * srppass = NULL;
 660         int srp_lateuser = 0;
 661         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 662 #endif
 663         SSL_EXCERT *exc = NULL;
 664
 665         SSL_CONF_CTX *cctx = NULL;
 666         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 667
 668         char *crl_file = NULL;
 669         int crl_format = FORMAT_PEM;
 670         int crl_download = 0;
 671         STACK_OF(X509_CRL) *crls = NULL;
 672
 673         meth=SSLv23_client_method();
 674
 675         apps_startup();
 676         c_Pause=0;
 677         c_quiet=0;
 678         c_ign_eof=0;
 679         c_debug=0;
 680         c_msg=0;
 681         c_showcerts=0;
 682
 683         if (bio_err == NULL)
 684                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 685
 686         if (!load_config(bio_err, NULL))
 687                 goto end;
 688         cctx = SSL_CONF_CTX_new();
 689         if (!cctx)
 690                 goto end;
 691         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 692         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 693
 694         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 695                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 696                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 697                 {
 698                 BIO_printf(bio_err,"out of memory\n");
 699                 goto end;
 700                 }
 701
 702         verify_depth=0;
 703         verify_error=X509_V_OK;
 704 #ifdef FIONBIO
 705         c_nbio=0;
 706 #endif
 707
 708         argc--;
 709         argv++;
 710         while (argc >= 1)
 711                 {
 712                 if      (strcmp(*argv,"-host") == 0)
 713                         {
 714                         if (--argc < 1) goto bad;
 715                         host= *(++argv);
 716                         }
 717                 else if (strcmp(*argv,"-port") == 0)
 718                         {
 719                         if (--argc < 1) goto bad;
 720                         port=atoi(*(++argv));
 721                         if (port == 0) goto bad;
 722                         }
 723                 else if (strcmp(*argv,"-connect") == 0)
 724                         {
 725                         if (--argc < 1) goto bad;
 726                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 727                                 goto bad;
 728                         }
 729                 else if (strcmp(*argv,"-verify") == 0)
 730                         {
 731                         verify=SSL_VERIFY_PEER;
 732                         if (--argc < 1) goto bad;
 733                         verify_depth=atoi(*(++argv));
 734                         if (!c_quiet)
 735                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 736                         }
 737                 else if (strcmp(*argv,"-cert") == 0)
 738                         {
 739                         if (--argc < 1) goto bad;
 740                         cert_file= *(++argv);
 741                         }
 742                 else if (strcmp(*argv,"-CRL") == 0)
 743                         {
 744                         if (--argc < 1) goto bad;
 745                         crl_file= *(++argv);
 746                         }
 747                 else if (strcmp(*argv,"-crl_download") == 0)
 748                         crl_download = 1;
 749                 else if (strcmp(*argv,"-sess_out") == 0)
 750                         {
 751                         if (--argc < 1) goto bad;
 752                         sess_out = *(++argv);
 753                         }
 754                 else if (strcmp(*argv,"-sess_in") == 0)
 755                         {
 756                         if (--argc < 1) goto bad;
 757                         sess_in = *(++argv);
 758                         }
 759                 else if (strcmp(*argv,"-certform") == 0)
 760                         {
 761                         if (--argc < 1) goto bad;
 762                         cert_format = str2fmt(*(++argv));
 763                         }
 764                 else if (strcmp(*argv,"-CRLform") == 0)
 765                         {
 766                         if (--argc < 1) goto bad;
 767                         crl_format = str2fmt(*(++argv));
 768                         }
 769                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 770                         {
 771                         if (badarg)
 772                                 goto bad;
 773                         continue;
 774                         }
 775                 else if (strcmp(*argv,"-verify_return_error") == 0)
 776                         verify_return_error = 1;
 777                 else if (strcmp(*argv,"-verify_quiet") == 0)
 778                         verify_quiet = 1;
 779                 else if (strcmp(*argv,"-brief") == 0)
 780                         {
 781                         c_brief = 1;
 782                         verify_quiet = 1;
 783                         c_quiet = 1;
 784                         }
 785                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 786                         {
 787                         if (badarg)
 788                                 goto bad;
 789                         continue;
 790                         }
 791                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 792                         {
 793                         if (badarg)
 794                                 goto bad;
 795                         continue;
 796                         }
 797                 else if (strcmp(*argv,"-prexit") == 0)
 798                         prexit=1;
 799                 else if (strcmp(*argv,"-crlf") == 0)
 800                         crlf=1;
 801                 else if (strcmp(*argv,"-quiet") == 0)
 802                         {
 803                         c_quiet=1;
 804                         c_ign_eof=1;
 805                         }
 806                 else if (strcmp(*argv,"-ign_eof") == 0)
 807                         c_ign_eof=1;
 808                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 809                         c_ign_eof=0;
 810                 else if (strcmp(*argv,"-pause") == 0)
 811                         c_Pause=1;
 812                 else if (strcmp(*argv,"-debug") == 0)
 813                         c_debug=1;
 814 #ifndef OPENSSL_NO_TLSEXT
 815                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 816                         c_tlsextdebug=1;
 817                 else if (strcmp(*argv,"-status") == 0)
 818                         c_status_req=1;
 819                 else if (strcmp(*argv,"-proof_debug") == 0)
 820                         c_proof_debug=1;
 821 #endif
 822 #ifdef WATT32
 823                 else if (strcmp(*argv,"-wdebug") == 0)
 824                         dbug_init();
 825 #endif
 826                 else if (strcmp(*argv,"-msg") == 0)
 827                         c_msg=1;
 828                 else if (strcmp(*argv,"-msgfile") == 0)
 829                         {
 830                         if (--argc < 1) goto bad;
 831                         bio_c_msg = BIO_new_file(*(++argv), "w");
 832                         }
 833 #ifndef OPENSSL_NO_SSL_TRACE
 834                 else if (strcmp(*argv,"-trace") == 0)
 835                         c_msg=2;
 836 #endif
 837                 else if (strcmp(*argv,"-showcerts") == 0)
 838                         c_showcerts=1;
 839                 else if (strcmp(*argv,"-nbio_test") == 0)
 840                         nbio_test=1;
 841                 else if (strcmp(*argv,"-state") == 0)
 842                         state=1;
 843 #ifndef OPENSSL_NO_PSK
 844                 else if (strcmp(*argv,"-psk_identity") == 0)
 845                         {
 846                         if (--argc < 1) goto bad;
 847                         psk_identity=*(++argv);
 848                         }
 849                 else if (strcmp(*argv,"-psk") == 0)
 850                         {
 851                         size_t j;
 852
 853                         if (--argc < 1) goto bad;
 854                         psk_key=*(++argv);
 855                         for (j = 0; j < strlen(psk_key); j++)
 856                                 {
 857                                 if (isxdigit((unsigned char)psk_key[j]))
 858                                         continue;
 859                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 860                                 goto bad;
 861                                 }
 862                         }
 863 #endif
 864 #ifndef OPENSSL_NO_SRP
 865                 else if (strcmp(*argv,"-srpuser") == 0)
 866                         {
 867                         if (--argc < 1) goto bad;
 868                         srp_arg.srplogin= *(++argv);
 869                         meth=TLSv1_client_method();
 870                         }
 871                 else if (strcmp(*argv,"-srppass") == 0)
 872                         {
 873                         if (--argc < 1) goto bad;
 874                         srppass= *(++argv);
 875                         meth=TLSv1_client_method();
 876                         }
 877                 else if (strcmp(*argv,"-srp_strength") == 0)
 878                         {
 879                         if (--argc < 1) goto bad;
 880                         srp_arg.strength=atoi(*(++argv));
 881                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 882                         meth=TLSv1_client_method();
 883                         }
 884                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 885                         {
 886                         srp_lateuser= 1;
 887                         meth=TLSv1_client_method();
 888                         }
 889                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 890                         {
 891                         srp_arg.amp=1;
 892                         meth=TLSv1_client_method();
 893                         }
 894 #endif
 895 #ifndef OPENSSL_NO_SSL2
 896                 else if (strcmp(*argv,"-ssl2") == 0)
 897                         meth=SSLv2_client_method();
 898 #endif
 899 #ifndef OPENSSL_NO_SSL3
 900                 else if (strcmp(*argv,"-ssl3") == 0)
 901                         meth=SSLv3_client_method();
 902 #endif
 903 #ifndef OPENSSL_NO_TLS1
 904                 else if (strcmp(*argv,"-tls1_2") == 0)
 905                         meth=TLSv1_2_client_method();
 906                 else if (strcmp(*argv,"-tls1_1") == 0)
 907                         meth=TLSv1_1_client_method();
 908                 else if (strcmp(*argv,"-tls1") == 0)
 909                         meth=TLSv1_client_method();
 910 #endif
 911 #ifndef OPENSSL_NO_DTLS1
 912                 else if (strcmp(*argv,"-dtls") == 0)
 913                         {
 914                         meth=DTLS_client_method();
 915                         socket_type=SOCK_DGRAM;
 916                         }
 917                 else if (strcmp(*argv,"-dtls1") == 0)
 918                         {
 919                         meth=DTLSv1_client_method();
 920                         socket_type=SOCK_DGRAM;
 921                         }
 922                 else if (strcmp(*argv,"-dtls1_2") == 0)
 923                         {
 924                         meth=DTLSv1_2_client_method();
 925                         socket_type=SOCK_DGRAM;
 926                         }
 927                 else if (strcmp(*argv,"-timeout") == 0)
 928                         enable_timeouts=1;
 929                 else if (strcmp(*argv,"-mtu") == 0)
 930                         {
 931                         if (--argc < 1) goto bad;
 932                         socket_mtu = atol(*(++argv));
 933                         }
 934 #endif
 935                 else if (strcmp(*argv,"-keyform") == 0)
 936                         {
 937                         if (--argc < 1) goto bad;
 938                         key_format = str2fmt(*(++argv));
 939                         }
 940                 else if (strcmp(*argv,"-pass") == 0)
 941                         {
 942                         if (--argc < 1) goto bad;
 943                         passarg = *(++argv);
 944                         }
 945                 else if (strcmp(*argv,"-cert_chain") == 0)
 946                         {
 947                         if (--argc < 1) goto bad;
 948                         chain_file= *(++argv);
 949                         }
 950                 else if (strcmp(*argv,"-key") == 0)
 951                         {
 952                         if (--argc < 1) goto bad;
 953                         key_file= *(++argv);
 954                         }
 955                 else if (strcmp(*argv,"-reconnect") == 0)
 956                         {
 957                         reconnect=5;
 958                         }
 959                 else if (strcmp(*argv,"-CApath") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         CApath= *(++argv);
 963                         }
 964                 else if (strcmp(*argv,"-chainCApath") == 0)
 965                         {
 966                         if (--argc < 1) goto bad;
 967                         chCApath= *(++argv);
 968                         }
 969                 else if (strcmp(*argv,"-verifyCApath") == 0)
 970                         {
 971                         if (--argc < 1) goto bad;
 972                         vfyCApath= *(++argv);
 973                         }
 974                 else if (strcmp(*argv,"-build_chain") == 0)
 975                         build_chain = 1;
 976                 else if (strcmp(*argv,"-CAfile") == 0)
 977                         {
 978                         if (--argc < 1) goto bad;
 979                         CAfile= *(++argv);
 980                         }
 981                 else if (strcmp(*argv,"-chainCAfile") == 0)
 982                         {
 983                         if (--argc < 1) goto bad;
 984                         chCAfile= *(++argv);
 985                         }
 986                 else if (strcmp(*argv,"-verifyCAfile") == 0)
 987                         {
 988                         if (--argc < 1) goto bad;
 989                         vfyCAfile= *(++argv);
 990                         }
 991 #ifndef OPENSSL_NO_TLSEXT
 992 # ifndef OPENSSL_NO_NEXTPROTONEG
 993                 else if (strcmp(*argv,"-nextprotoneg") == 0)
 994                         {
 995                         if (--argc < 1) goto bad;
 996                         next_proto_neg_in = *(++argv);
 997                         }
 998                 else if (strcmp(*argv,"-alpn") == 0)
 999                         {
1000                         if (--argc < 1) goto bad;
1001                         alpn_in = *(++argv);
1002                         }
1003 # endif
1004                 else if (strcmp(*argv,"-serverinfo") == 0)
1005                         {
1006                         char *c;
1007                         int start = 0;
1008                         int len;
1009
1010                         if (--argc < 1) goto bad;
1011                         c = *(++argv);
1012                         serverinfo_types_count = 0;
1013                         len = strlen(c);
1014                         for (i = 0; i <= len; ++i)
1015                                 {
1016                                 if (i == len || c[i] == ',')
1017                                         {
1018                                         serverinfo_types[serverinfo_types_count]
1019                                             = atoi(c+start);
1020                                         serverinfo_types_count++;
1021                                         start = i+1;
1022                                         }
1023                                 if (serverinfo_types_count == MAX_SI_TYPES)
1024                                         break;
1025                                 }
1026                         }
1027 #endif
1028 #ifdef FIONBIO
1029                 else if (strcmp(*argv,"-nbio") == 0)
1030                         { c_nbio=1; }
1031 #endif
1032                 else if (strcmp(*argv,"-starttls") == 0)
1033                         {
1034                         if (--argc < 1) goto bad;
1035                         ++argv;
1036                         if (strcmp(*argv,"smtp") == 0)
1037                                 starttls_proto = PROTO_SMTP;
1038                         else if (strcmp(*argv,"pop3") == 0)
1039                                 starttls_proto = PROTO_POP3;
1040                         else if (strcmp(*argv,"imap") == 0)
1041                                 starttls_proto = PROTO_IMAP;
1042                         else if (strcmp(*argv,"ftp") == 0)
1043                                 starttls_proto = PROTO_FTP;
1044                         else if (strcmp(*argv, "xmpp") == 0)
1045                                 starttls_proto = PROTO_XMPP;
1046                         else
1047                                 goto bad;
1048                         }
1049 #ifndef OPENSSL_NO_ENGINE
1050                 else if (strcmp(*argv,"-engine") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         engine_id = *(++argv);
1054                         }
1055                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1056                         {
1057                         if (--argc < 1) goto bad;
1058                         ssl_client_engine_id = *(++argv);
1059                         }
1060 #endif
1061                 else if (strcmp(*argv,"-rand") == 0)
1062                         {
1063                         if (--argc < 1) goto bad;
1064                         inrand= *(++argv);
1065                         }
1066 #ifndef OPENSSL_NO_TLSEXT
1067                 else if (strcmp(*argv,"-servername") == 0)
1068                         {
1069                         if (--argc < 1) goto bad;
1070                         servername= *(++argv);
1071                         /* meth=TLSv1_client_method(); */
1072                         }
1073 #endif
1074 #ifndef OPENSSL_NO_JPAKE
1075                 else if (strcmp(*argv,"-jpake") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         jpake_secret = *++argv;
1079                         }
1080 #endif
1081                 else if (strcmp(*argv,"-use_srtp") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         srtp_profiles = *(++argv);
1085                         }
1086                 else if (strcmp(*argv,"-keymatexport") == 0)
1087                         {
1088                         if (--argc < 1) goto bad;
1089                         keymatexportlabel= *(++argv);
1090                         }
1091                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         keymatexportlen=atoi(*(++argv));
1095                         if (keymatexportlen == 0) goto bad;
1096                         }
1097                 else
1098                         {
1099                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1100                         badop=1;
1101                         break;
1102                         }
1103                 argc--;
1104                 argv++;
1105                 }
1106         if (badop)
1107                 {
1108 bad:
1109                 sc_usage();
1110                 goto end;
1111                 }
1112
1113 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1114         if (jpake_secret)
1115                 {
1116                 if (psk_key)
1117                         {
1118                         BIO_printf(bio_err,
1119                                    "Can't use JPAKE and PSK together\n");
1120                         goto end;
1121                         }
1122                 psk_identity = "JPAKE";
1123                 }
1124 #endif
1125
1126         OpenSSL_add_ssl_algorithms();
1127         SSL_load_error_strings();
1128
1129 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1130         next_proto.status = -1;
1131         if (next_proto_neg_in)
1132                 {
1133                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1134                 if (next_proto.data == NULL)
1135                         {
1136                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1137                         goto end;
1138                         }
1139                 }
1140         else
1141                 next_proto.data = NULL;
1142 #endif
1143
1144 #ifndef OPENSSL_NO_ENGINE
1145         e = setup_engine(bio_err, engine_id, 1);
1146         if (ssl_client_engine_id)
1147                 {
1148                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1149                 if (!ssl_client_engine)
1150                         {
1151                         BIO_printf(bio_err,
1152                                         "Error getting client auth engine\n");
1153                         goto end;
1154                         }
1155                 }
1156
1157 #endif
1158         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1159                 {
1160                 BIO_printf(bio_err, "Error getting password\n");
1161                 goto end;
1162                 }
1163
1164         if (key_file == NULL)
1165                 key_file = cert_file;
1166
1167
1168         if (key_file)
1169
1170                 {
1171
1172                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1173                                "client certificate private key file");
1174                 if (!key)
1175                         {
1176                         ERR_print_errors(bio_err);
1177                         goto end;
1178                         }
1179
1180                 }
1181
1182         if (cert_file)
1183
1184                 {
1185                 cert = load_cert(bio_err,cert_file,cert_format,
1186                                 NULL, e, "client certificate file");
1187
1188                 if (!cert)
1189                         {
1190                         ERR_print_errors(bio_err);
1191                         goto end;
1192                         }
1193                 }
1194
1195         if (chain_file)
1196                 {
1197                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1198                                         NULL, e, "client certificate chain");
1199                 if (!chain)
1200                         goto end;
1201                 }
1202
1203         if (crl_file)
1204                 {
1205                 X509_CRL *crl;
1206                 crl = load_crl(crl_file, crl_format);
1207                 if (!crl)
1208                         {
1209                         BIO_puts(bio_err, "Error loading CRL\n");
1210                         ERR_print_errors(bio_err);
1211                         goto end;
1212                         }
1213                 crls = sk_X509_CRL_new_null();
1214                 if (!crls || !sk_X509_CRL_push(crls, crl))
1215                         {
1216                         BIO_puts(bio_err, "Error adding CRL\n");
1217                         ERR_print_errors(bio_err);
1218                         X509_CRL_free(crl);
1219                         goto end;
1220                         }
1221                 }
1222
1223         if (!load_excert(&exc, bio_err))
1224                 goto end;
1225
1226         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1227                 && !RAND_status())
1228                 {
1229                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1230                 }
1231         if (inrand != NULL)
1232                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1233                         app_RAND_load_files(inrand));
1234
1235         if (bio_c_out == NULL)
1236                 {
1237                 if (c_quiet && !c_debug)
1238                         {
1239                         bio_c_out=BIO_new(BIO_s_null());
1240                         if (c_msg && !bio_c_msg)
1241                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1242                         }
1243                 else
1244                         {
1245                         if (bio_c_out == NULL)
1246                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1247                         }
1248                 }
1249
1250 #ifndef OPENSSL_NO_SRP
1251         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1252                 {
1253                 BIO_printf(bio_err, "Error getting password\n");
1254                 goto end;
1255                 }
1256 #endif
1257
1258         ctx=SSL_CTX_new(meth);
1259         if (ctx == NULL)
1260                 {
1261                 ERR_print_errors(bio_err);
1262                 goto end;
1263                 }
1264
1265         if (vpm)
1266                 SSL_CTX_set1_param(ctx, vpm);
1267
1268         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1269                 {
1270                 ERR_print_errors(bio_err);
1271                 goto end;
1272                 }
1273
1274         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1275                                                 crls, crl_download))
1276                 {
1277                 BIO_printf(bio_err, "Error loading store locations\n");
1278                 ERR_print_errors(bio_err);
1279                 goto end;
1280                 }
1281
1282 #ifndef OPENSSL_NO_ENGINE
1283         if (ssl_client_engine)
1284                 {
1285                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1286                         {
1287                         BIO_puts(bio_err, "Error setting client auth engine\n");
1288                         ERR_print_errors(bio_err);
1289                         ENGINE_free(ssl_client_engine);
1290                         goto end;
1291                         }
1292                 ENGINE_free(ssl_client_engine);
1293                 }
1294 #endif
1295
1296 #ifndef OPENSSL_NO_PSK
1297 #ifdef OPENSSL_NO_JPAKE
1298         if (psk_key != NULL)
1299 #else
1300         if (psk_key != NULL || jpake_secret)
1301 #endif
1302                 {
1303                 if (c_debug)
1304                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1305                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1306                 }
1307         if (srtp_profiles != NULL)
1308                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1309 #endif
1310         if (exc) ssl_ctx_set_excert(ctx, exc);
1311         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1312          * Setting read ahead solves this problem.
1313          */
1314         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1315
1316 #if !defined(OPENSSL_NO_TLSEXT)
1317 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1318         if (next_proto.data)
1319                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1320 # endif
1321         if (alpn_in)
1322                 {
1323                 unsigned short alpn_len;
1324                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1325
1326                 if (alpn == NULL)
1327                         {
1328                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1329                         goto end;
1330                         }
1331                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1332                 OPENSSL_free(alpn);
1333                 }
1334 #endif
1335 #ifndef OPENSSL_NO_TLSEXT
1336                 if (serverinfo_types_count)
1337                         {
1338                         for (i = 0; i < serverinfo_types_count; i++)
1339                                 {
1340                                 SSL_CTX_set_custom_cli_ext(ctx,
1341                                                            serverinfo_types[i],
1342                                                            NULL,
1343                                                            serverinfo_cli_cb,
1344                                                            NULL);
1345                                 }
1346                         }
1347 #endif
1348
1349         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1350 #if 0
1351         else
1352                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1353 #endif
1354
1355         SSL_CTX_set_verify(ctx,verify,verify_callback);
1356
1357         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1358                 (!SSL_CTX_set_default_verify_paths(ctx)))
1359                 {
1360                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1361                 ERR_print_errors(bio_err);
1362                 /* goto end; */
1363                 }
1364
1365         ssl_ctx_add_crls(ctx, crls, crl_download);
1366
1367         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1368                 goto end;
1369
1370 #ifndef OPENSSL_NO_TLSEXT
1371         if (servername != NULL)
1372                 {
1373                 tlsextcbp.biodebug = bio_err;
1374                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1375                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1376                 }
1377 #ifndef OPENSSL_NO_SRP
1378         if (srp_arg.srplogin)
1379                 {
1380                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1381                         {
1382                         BIO_printf(bio_err,"Unable to set SRP username\n");
1383                         goto end;
1384                         }
1385                 srp_arg.msg = c_msg;
1386                 srp_arg.debug = c_debug ;
1387                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1388                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1389                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1390                 if (c_msg || c_debug || srp_arg.amp == 0)
1391                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1392                 }
1393
1394 #endif
1395         if (c_proof_debug)
1396                 SSL_CTX_set_tlsext_authz_server_audit_proof_cb(ctx,
1397                                                                audit_proof_cb);
1398 #endif
1399
1400         con=SSL_new(ctx);
1401         if (sess_in)
1402                 {
1403                 SSL_SESSION *sess;
1404                 BIO *stmp = BIO_new_file(sess_in, "r");
1405                 if (!stmp)
1406                         {
1407                         BIO_printf(bio_err, "Can't open session file %s\n",
1408                                                 sess_in);
1409                         ERR_print_errors(bio_err);
1410                         goto end;
1411                         }
1412                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1413                 BIO_free(stmp);
1414                 if (!sess)
1415                         {
1416                         BIO_printf(bio_err, "Can't open session file %s\n",
1417                                                 sess_in);
1418                         ERR_print_errors(bio_err);
1419                         goto end;
1420                         }
1421                 SSL_set_session(con, sess);
1422                 SSL_SESSION_free(sess);
1423                 }
1424 #ifndef OPENSSL_NO_TLSEXT
1425         if (servername != NULL)
1426                 {
1427                 if (!SSL_set_tlsext_host_name(con,servername))
1428                         {
1429                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1430                         ERR_print_errors(bio_err);
1431                         goto end;
1432                         }
1433                 }
1434 #endif
1435 #ifndef OPENSSL_NO_KRB5
1436         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1437                 {
1438                 SSL_set0_kssl_ctx(con, kctx);
1439                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1440                 }
1441 #endif  /* OPENSSL_NO_KRB5  */
1442 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1443 #if 0
1444 #ifdef TLSEXT_TYPE_opaque_prf_input
1445         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1446 #endif
1447 #endif
1448
1449 re_start:
1450
1451         if (init_client(&s,host,port,socket_type) == 0)
1452                 {
1453                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1454                 SHUTDOWN(s);
1455                 goto end;
1456                 }
1457         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1458
1459 #ifdef FIONBIO
1460         if (c_nbio)
1461                 {
1462                 unsigned long l=1;
1463                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1464                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1465                         {
1466                         ERR_print_errors(bio_err);
1467                         goto end;
1468                         }
1469                 }
1470 #endif
1471         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1472
1473         if (socket_type == SOCK_DGRAM)
1474                 {
1475
1476                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1477                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1478                         {
1479                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1480                                 get_last_socket_error());
1481                         SHUTDOWN(s);
1482                         goto end;
1483                         }
1484
1485                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1486
1487                 if (enable_timeouts)
1488                         {
1489                         timeout.tv_sec = 0;
1490                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1491                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1492
1493                         timeout.tv_sec = 0;
1494                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1495                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1496                         }
1497
1498                 if (socket_mtu > 28)
1499                         {
1500                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1501                         SSL_set_mtu(con, socket_mtu - 28);
1502                         }
1503                 else
1504                         /* want to do MTU discovery */
1505                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1506                 }
1507         else
1508                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1509
1510         if (nbio_test)
1511                 {
1512                 BIO *test;
1513
1514                 test=BIO_new(BIO_f_nbio_test());
1515                 sbio=BIO_push(test,sbio);
1516                 }
1517
1518         if (c_debug)
1519                 {
1520                 SSL_set_debug(con, 1);
1521                 BIO_set_callback(sbio,bio_dump_callback);
1522                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1523                 }
1524         if (c_msg)
1525                 {
1526 #ifndef OPENSSL_NO_SSL_TRACE
1527                 if (c_msg == 2)
1528                         SSL_set_msg_callback(con, SSL_trace);
1529                 else
1530 #endif
1531                         SSL_set_msg_callback(con, msg_cb);
1532                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1533                 }
1534 #ifndef OPENSSL_NO_TLSEXT
1535         if (c_tlsextdebug)
1536                 {
1537                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1538                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1539                 }
1540         if (c_status_req)
1541                 {
1542                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1543                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1544                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1545 #if 0
1546 {
1547 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1548 OCSP_RESPID *id = OCSP_RESPID_new();
1549 id->value.byKey = ASN1_OCTET_STRING_new();
1550 id->type = V_OCSP_RESPID_KEY;
1551 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1552 sk_OCSP_RESPID_push(ids, id);
1553 SSL_set_tlsext_status_ids(con, ids);
1554 }
1555 #endif
1556                 }
1557 #endif
1558 #ifndef OPENSSL_NO_JPAKE
1559         if (jpake_secret)
1560                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1561 #endif
1562
1563         SSL_set_bio(con,sbio,sbio);
1564         SSL_set_connect_state(con);
1565
1566         /* ok, lets connect */
1567         width=SSL_get_fd(con)+1;
1568
1569         read_tty=1;
1570         write_tty=0;
1571         tty_on=0;
1572         read_ssl=1;
1573         write_ssl=1;
1574
1575         cbuf_len=0;
1576         cbuf_off=0;
1577         sbuf_len=0;
1578         sbuf_off=0;
1579
1580         /* This is an ugly hack that does a lot of assumptions */
1581         /* We do have to handle multi-line responses which may come
1582            in a single packet or not. We therefore have to use
1583            BIO_gets() which does need a buffering BIO. So during
1584            the initial chitchat we do push a buffering BIO into the
1585            chain that is removed again later on to not disturb the
1586            rest of the s_client operation. */
1587         if (starttls_proto == PROTO_SMTP)
1588                 {
1589                 int foundit=0;
1590                 BIO *fbio = BIO_new(BIO_f_buffer());
1591                 BIO_push(fbio, sbio);
1592                 /* wait for multi-line response to end from SMTP */
1593                 do
1594                         {
1595                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1596                         }
1597                 while (mbuf_len>3 && mbuf[3]=='-');
1598                 /* STARTTLS command requires EHLO... */
1599                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1600                 (void)BIO_flush(fbio);
1601                 /* wait for multi-line response to end EHLO SMTP response */
1602                 do
1603                         {
1604                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1605                         if (strstr(mbuf,"STARTTLS"))
1606                                 foundit=1;
1607                         }
1608                 while (mbuf_len>3 && mbuf[3]=='-');
1609                 (void)BIO_flush(fbio);
1610                 BIO_pop(fbio);
1611                 BIO_free(fbio);
1612                 if (!foundit)
1613                         BIO_printf(bio_err,
1614                                    "didn't found starttls in server response,"
1615                                    " try anyway...\n");
1616                 BIO_printf(sbio,"STARTTLS\r\n");
1617                 BIO_read(sbio,sbuf,BUFSIZZ);
1618                 }
1619         else if (starttls_proto == PROTO_POP3)
1620                 {
1621                 BIO_read(sbio,mbuf,BUFSIZZ);
1622                 BIO_printf(sbio,"STLS\r\n");
1623                 BIO_read(sbio,sbuf,BUFSIZZ);
1624                 }
1625         else if (starttls_proto == PROTO_IMAP)
1626                 {
1627                 int foundit=0;
1628                 BIO *fbio = BIO_new(BIO_f_buffer());
1629                 BIO_push(fbio, sbio);
1630                 BIO_gets(fbio,mbuf,BUFSIZZ);
1631                 /* STARTTLS command requires CAPABILITY... */
1632                 BIO_printf(fbio,". CAPABILITY\r\n");
1633                 (void)BIO_flush(fbio);
1634                 /* wait for multi-line CAPABILITY response */
1635                 do
1636                         {
1637                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1638                         if (strstr(mbuf,"STARTTLS"))
1639                                 foundit=1;
1640                         }
1641                 while (mbuf_len>3 && mbuf[0]!='.');
1642                 (void)BIO_flush(fbio);
1643                 BIO_pop(fbio);
1644                 BIO_free(fbio);
1645                 if (!foundit)
1646                         BIO_printf(bio_err,
1647                                    "didn't found STARTTLS in server response,"
1648                                    " try anyway...\n");
1649                 BIO_printf(sbio,". STARTTLS\r\n");
1650                 BIO_read(sbio,sbuf,BUFSIZZ);
1651                 }
1652         else if (starttls_proto == PROTO_FTP)
1653                 {
1654                 BIO *fbio = BIO_new(BIO_f_buffer());
1655                 BIO_push(fbio, sbio);
1656                 /* wait for multi-line response to end from FTP */
1657                 do
1658                         {
1659                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1660                         }
1661                 while (mbuf_len>3 && mbuf[3]=='-');
1662                 (void)BIO_flush(fbio);
1663                 BIO_pop(fbio);
1664                 BIO_free(fbio);
1665                 BIO_printf(sbio,"AUTH TLS\r\n");
1666                 BIO_read(sbio,sbuf,BUFSIZZ);
1667                 }
1668         if (starttls_proto == PROTO_XMPP)
1669                 {
1670                 int seen = 0;
1671                 BIO_printf(sbio,"<stream:stream "
1672                     "xmlns:stream='http://etherx.jabber.org/streams' "
1673                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1674                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1675                 mbuf[seen] = 0;
1676                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1677                         {
1678                         if (strstr(mbuf, "/stream:features>"))
1679                                 goto shut;
1680                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1681                         mbuf[seen] = 0;
1682                         }
1683                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1684                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1685                 sbuf[seen] = 0;
1686                 if (!strstr(sbuf, "<proceed"))
1687                         goto shut;
1688                 mbuf[0] = 0;
1689                 }
1690
1691         for (;;)
1692                 {
1693                 FD_ZERO(&readfds);
1694                 FD_ZERO(&writefds);
1695
1696                 if ((SSL_version(con) == DTLS1_VERSION) &&
1697                         DTLSv1_get_timeout(con, &timeout))
1698                         timeoutp = &timeout;
1699                 else
1700                         timeoutp = NULL;
1701
1702                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1703                         {
1704                         in_init=1;
1705                         tty_on=0;
1706                         }
1707                 else
1708                         {
1709                         tty_on=1;
1710                         if (in_init)
1711                                 {
1712                                 in_init=0;
1713 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1714 #ifndef OPENSSL_NO_TLSEXT
1715                                 if (servername != NULL && !SSL_session_reused(con))
1716                                         {
1717                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1718                                         }
1719 #endif
1720 #endif
1721                                 if (sess_out)
1722                                         {
1723                                         BIO *stmp = BIO_new_file(sess_out, "w");
1724                                         if (stmp)
1725                                                 {
1726                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1727                                                 BIO_free(stmp);
1728                                                 }
1729                                         else
1730                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1731                                         }
1732                                 if (c_brief)
1733                                         {
1734                                         BIO_puts(bio_err,
1735                                                 "CONNECTION ESTABLISHED\n");
1736                                         print_ssl_summary(bio_err, con);
1737                                         }
1738                                 print_stuff(bio_c_out,con,full_log);
1739                                 if (full_log > 0) full_log--;
1740
1741                                 if (starttls_proto)
1742                                         {
1743                                         BIO_printf(bio_err,"%s",mbuf);
1744                                         /* We don't need to know any more */
1745                                         starttls_proto = PROTO_OFF;
1746                                         }
1747
1748                                 if (reconnect)
1749                                         {
1750                                         reconnect--;
1751                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1752                                         SSL_shutdown(con);
1753                                         SSL_set_connect_state(con);
1754                                         SHUTDOWN(SSL_get_fd(con));
1755                                         goto re_start;
1756                                         }
1757                                 }
1758                         }
1759
1760                 ssl_pending = read_ssl && SSL_pending(con);
1761
1762                 if (!ssl_pending)
1763                         {
1764 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1765                         if (tty_on)
1766                                 {
1767                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1768                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1769                                 }
1770                         if (read_ssl)
1771                                 openssl_fdset(SSL_get_fd(con),&readfds);
1772                         if (write_ssl)
1773                                 openssl_fdset(SSL_get_fd(con),&writefds);
1774 #else
1775                         if(!tty_on || !write_tty) {
1776                                 if (read_ssl)
1777                                         openssl_fdset(SSL_get_fd(con),&readfds);
1778                                 if (write_ssl)
1779                                         openssl_fdset(SSL_get_fd(con),&writefds);
1780                         }
1781 #endif
1782 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1783                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1784
1785                         /* Note: under VMS with SOCKETSHR the second parameter
1786                          * is currently of type (int *) whereas under other
1787                          * systems it is (void *) if you don't have a cast it
1788                          * will choke the compiler: if you do have a cast then
1789                          * you can either go for (int *) or (void *).
1790                          */
1791 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1792                         /* Under Windows/DOS we make the assumption that we can
1793                          * always write to the tty: therefore if we need to
1794                          * write to the tty we just fall through. Otherwise
1795                          * we timeout the select every second and see if there
1796                          * are any keypresses. Note: this is a hack, in a proper
1797                          * Windows application we wouldn't do this.
1798                          */
1799                         i=0;
1800                         if(!write_tty) {
1801                                 if(read_tty) {
1802                                         tv.tv_sec = 1;
1803                                         tv.tv_usec = 0;
1804                                         i=select(width,(void *)&readfds,(void *)&writefds,
1805                                                  NULL,&tv);
1806 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1807                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1808 #else
1809                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1810 #endif
1811                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1812                                          NULL,timeoutp);
1813                         }
1814 #elif defined(OPENSSL_SYS_NETWARE)
1815                         if(!write_tty) {
1816                                 if(read_tty) {
1817                                         tv.tv_sec = 1;
1818                                         tv.tv_usec = 0;
1819                                         i=select(width,(void *)&readfds,(void *)&writefds,
1820                                                 NULL,&tv);
1821                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1822                                         NULL,timeoutp);
1823                         }
1824 #elif defined(OPENSSL_SYS_BEOS_R5)
1825                         /* Under BeOS-R5 the situation is similar to DOS */
1826                         i=0;
1827                         stdin_set = 0;
1828                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1829                         if(!write_tty) {
1830                                 if(read_tty) {
1831                                         tv.tv_sec = 1;
1832                                         tv.tv_usec = 0;
1833                                         i=select(width,(void *)&readfds,(void *)&writefds,
1834                                                  NULL,&tv);
1835                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1836                                                 stdin_set = 1;
1837                                         if (!i && (stdin_set != 1 || !read_tty))
1838                                                 continue;
1839                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1840                                          NULL,timeoutp);
1841                         }
1842                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1843 #else
1844                         i=select(width,(void *)&readfds,(void *)&writefds,
1845                                  NULL,timeoutp);
1846 #endif
1847                         if ( i < 0)
1848                                 {
1849                                 BIO_printf(bio_err,"bad select %d\n",
1850                                 get_last_socket_error());
1851                                 goto shut;
1852                                 /* goto end; */
1853                                 }
1854                         }
1855
1856                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1857                         {
1858                         BIO_printf(bio_err,"TIMEOUT occured\n");
1859                         }
1860
1861                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1862                         {
1863                         k=SSL_write(con,&(cbuf[cbuf_off]),
1864                                 (unsigned int)cbuf_len);
1865                         switch (SSL_get_error(con,k))
1866                                 {
1867                         case SSL_ERROR_NONE:
1868                                 cbuf_off+=k;
1869                                 cbuf_len-=k;
1870                                 if (k <= 0) goto end;
1871                                 /* we have done a  write(con,NULL,0); */
1872                                 if (cbuf_len <= 0)
1873                                         {
1874                                         read_tty=1;
1875                                         write_ssl=0;
1876                                         }
1877                                 else /* if (cbuf_len > 0) */
1878                                         {
1879                                         read_tty=0;
1880                                         write_ssl=1;
1881                                         }
1882                                 break;
1883                         case SSL_ERROR_WANT_WRITE:
1884                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1885                                 write_ssl=1;
1886                                 read_tty=0;
1887                                 break;
1888                         case SSL_ERROR_WANT_READ:
1889                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1890                                 write_tty=0;
1891                                 read_ssl=1;
1892                                 write_ssl=0;
1893                                 break;
1894                         case SSL_ERROR_WANT_X509_LOOKUP:
1895                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1896                                 break;
1897                         case SSL_ERROR_ZERO_RETURN:
1898                                 if (cbuf_len != 0)
1899                                         {
1900                                         BIO_printf(bio_c_out,"shutdown\n");
1901                                         ret = 0;
1902                                         goto shut;
1903                                         }
1904                                 else
1905                                         {
1906                                         read_tty=1;
1907                                         write_ssl=0;
1908                                         break;
1909                                         }
1910
1911                         case SSL_ERROR_SYSCALL:
1912                                 if ((k != 0) || (cbuf_len != 0))
1913                                         {
1914                                         BIO_printf(bio_err,"write:errno=%d\n",
1915                                                 get_last_socket_error());
1916                                         goto shut;
1917                                         }
1918                                 else
1919                                         {
1920                                         read_tty=1;
1921                                         write_ssl=0;
1922                                         }
1923                                 break;
1924                         case SSL_ERROR_SSL:
1925                                 ERR_print_errors(bio_err);
1926                                 goto shut;
1927                                 }
1928                         }
1929 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1930                 /* Assume Windows/DOS/BeOS can always write */
1931                 else if (!ssl_pending && write_tty)
1932 #else
1933                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1934 #endif
1935                         {
1936 #ifdef CHARSET_EBCDIC
1937                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1938 #endif
1939                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1940
1941                         if (i <= 0)
1942                                 {
1943                                 BIO_printf(bio_c_out,"DONE\n");
1944                                 ret = 0;
1945                                 goto shut;
1946                                 /* goto end; */
1947                                 }
1948
1949                         sbuf_len-=i;;
1950                         sbuf_off+=i;
1951                         if (sbuf_len <= 0)
1952                                 {
1953                                 read_ssl=1;
1954                                 write_tty=0;
1955                                 }
1956                         }
1957                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1958                         {
1959 #ifdef RENEG
1960 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1961 #endif
1962 #if 1
1963                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1964 #else
1965 /* Demo for pending and peek :-) */
1966                         k=SSL_read(con,sbuf,16);
1967 { char zbuf[10240];
1968 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1969 }
1970 #endif
1971
1972                         switch (SSL_get_error(con,k))
1973                                 {
1974                         case SSL_ERROR_NONE:
1975                                 if (k <= 0)
1976                                         goto end;
1977                                 sbuf_off=0;
1978                                 sbuf_len=k;
1979
1980                                 read_ssl=0;
1981                                 write_tty=1;
1982                                 break;
1983                         case SSL_ERROR_WANT_WRITE:
1984                                 BIO_printf(bio_c_out,"read W BLOCK\n");
1985                                 write_ssl=1;
1986                                 read_tty=0;
1987                                 break;
1988                         case SSL_ERROR_WANT_READ:
1989                                 BIO_printf(bio_c_out,"read R BLOCK\n");
1990                                 write_tty=0;
1991                                 read_ssl=1;
1992                                 if ((read_tty == 0) && (write_ssl == 0))
1993                                         write_ssl=1;
1994                                 break;
1995                         case SSL_ERROR_WANT_X509_LOOKUP:
1996                                 BIO_printf(bio_c_out,"read X BLOCK\n");
1997                                 break;
1998                         case SSL_ERROR_SYSCALL:
1999                                 ret=get_last_socket_error();
2000                                 if (c_brief)
2001                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2002                                 else
2003                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2004                                 goto shut;
2005                         case SSL_ERROR_ZERO_RETURN:
2006                                 BIO_printf(bio_c_out,"closed\n");
2007                                 ret=0;
2008                                 goto shut;
2009                         case SSL_ERROR_SSL:
2010                                 ERR_print_errors(bio_err);
2011                                 goto shut;
2012                                 /* break; */
2013                                 }
2014                         }
2015
2016 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2017 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2018                 else if (_kbhit())
2019 #else
2020                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2021 #endif
2022 #elif defined (OPENSSL_SYS_NETWARE)
2023                 else if (_kbhit())
2024 #elif defined(OPENSSL_SYS_BEOS_R5)
2025                 else if (stdin_set)
2026 #else
2027                 else if (FD_ISSET(fileno(stdin),&readfds))
2028 #endif
2029                         {
2030                         if (crlf)
2031                                 {
2032                                 int j, lf_num;
2033
2034                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2035                                 lf_num = 0;
2036                                 /* both loops are skipped when i <= 0 */
2037                                 for (j = 0; j < i; j++)
2038                                         if (cbuf[j] == '\n')
2039                                                 lf_num++;
2040                                 for (j = i-1; j >= 0; j--)
2041                                         {
2042                                         cbuf[j+lf_num] = cbuf[j];
2043                                         if (cbuf[j] == '\n')
2044                                                 {
2045                                                 lf_num--;
2046                                                 i++;
2047                                                 cbuf[j+lf_num] = '\r';
2048                                                 }
2049                                         }
2050                                 assert(lf_num == 0);
2051                                 }
2052                         else
2053                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2054
2055                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2056                                 {
2057                                 BIO_printf(bio_err,"DONE\n");
2058                                 ret=0;
2059                                 goto shut;
2060                                 }
2061
2062                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2063                                 {
2064                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2065                                 SSL_renegotiate(con);
2066                                 cbuf_len=0;
2067                                 }
2068 #ifndef OPENSSL_NO_HEARTBEATS
2069                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2070                                 {
2071                                 BIO_printf(bio_err,"HEARTBEATING\n");
2072                                 SSL_heartbeat(con);
2073                                 cbuf_len=0;
2074                                 }
2075 #endif
2076                         else
2077                                 {
2078                                 cbuf_len=i;
2079                                 cbuf_off=0;
2080 #ifdef CHARSET_EBCDIC
2081                                 ebcdic2ascii(cbuf, cbuf, i);
2082 #endif
2083                                 }
2084
2085                         write_ssl=1;
2086                         read_tty=0;
2087                         }
2088                 }
2089
2090         ret=0;
2091 shut:
2092         if (in_init)
2093                 print_stuff(bio_c_out,con,full_log);
2094         SSL_shutdown(con);
2095         SHUTDOWN(SSL_get_fd(con));
2096 end:
2097         if (con != NULL)
2098                 {
2099                 if (prexit != 0)
2100                         print_stuff(bio_c_out,con,1);
2101                 SSL_free(con);
2102                 }
2103 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2104         if (next_proto.data)
2105                 OPENSSL_free(next_proto.data);
2106 #endif
2107         if (ctx != NULL) SSL_CTX_free(ctx);
2108         if (cert)
2109                 X509_free(cert);
2110         if (crls)
2111                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2112         if (key)
2113                 EVP_PKEY_free(key);
2114         if (chain)
2115                 sk_X509_pop_free(chain, X509_free);
2116         if (pass)
2117                 OPENSSL_free(pass);
2118         if (vpm)
2119                 X509_VERIFY_PARAM_free(vpm);
2120         ssl_excert_free(exc);
2121         if (ssl_args)
2122                 sk_OPENSSL_STRING_free(ssl_args);
2123         if (cctx)
2124                 SSL_CONF_CTX_free(cctx);
2125 #ifndef OPENSSL_NO_JPAKE
2126         if (jpake_secret && psk_key)
2127                 OPENSSL_free(psk_key);
2128 #endif
2129         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2130         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2131         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2132         if (bio_c_out != NULL)
2133                 {
2134                 BIO_free(bio_c_out);
2135                 bio_c_out=NULL;
2136                 }
2137         if (bio_c_msg != NULL)
2138                 {
2139                 BIO_free(bio_c_msg);
2140                 bio_c_msg=NULL;
2141                 }
2142         apps_shutdown();
2143         OPENSSL_EXIT(ret);
2144         }
2145
2146
2147 static void print_stuff(BIO *bio, SSL *s, int full)
2148         {
2149         X509 *peer=NULL;
2150         char *p;
2151         static const char *space="                ";
2152         char buf[BUFSIZ];
2153         STACK_OF(X509) *sk;
2154         STACK_OF(X509_NAME) *sk2;
2155         const SSL_CIPHER *c;
2156         X509_NAME *xn;
2157         int j,i;
2158 #ifndef OPENSSL_NO_COMP
2159         const COMP_METHOD *comp, *expansion;
2160 #endif
2161         unsigned char *exportedkeymat;
2162
2163         if (full)
2164                 {
2165                 int got_a_chain = 0;
2166
2167                 sk=SSL_get_peer_cert_chain(s);
2168                 if (sk != NULL)
2169                         {
2170                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2171
2172                         BIO_printf(bio,"---\nCertificate chain\n");
2173                         for (i=0; i<sk_X509_num(sk); i++)
2174                                 {
2175                                 X509_NAME_oneline(X509_get_subject_name(
2176                                         sk_X509_value(sk,i)),buf,sizeof buf);
2177                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2178                                 X509_NAME_oneline(X509_get_issuer_name(
2179                                         sk_X509_value(sk,i)),buf,sizeof buf);
2180                                 BIO_printf(bio,"   i:%s\n",buf);
2181                                 if (c_showcerts)
2182                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2183                                 }
2184                         }
2185
2186                 BIO_printf(bio,"---\n");
2187                 peer=SSL_get_peer_certificate(s);
2188                 if (peer != NULL)
2189                         {
2190                         BIO_printf(bio,"Server certificate\n");
2191                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2192                                 PEM_write_bio_X509(bio,peer);
2193                         X509_NAME_oneline(X509_get_subject_name(peer),
2194                                 buf,sizeof buf);
2195                         BIO_printf(bio,"subject=%s\n",buf);
2196                         X509_NAME_oneline(X509_get_issuer_name(peer),
2197                                 buf,sizeof buf);
2198                         BIO_printf(bio,"issuer=%s\n",buf);
2199                         }
2200                 else
2201                         BIO_printf(bio,"no peer certificate available\n");
2202
2203                 sk2=SSL_get_client_CA_list(s);
2204                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2205                         {
2206                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2207                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2208                                 {
2209                                 xn=sk_X509_NAME_value(sk2,i);
2210                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2211                                 BIO_write(bio,buf,strlen(buf));
2212                                 BIO_write(bio,"\n",1);
2213                                 }
2214                         }
2215                 else
2216                         {
2217                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2218                         }
2219                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2220                 if (p != NULL)
2221                         {
2222                         /* This works only for SSL 2.  In later protocol
2223                          * versions, the client does not know what other
2224                          * ciphers (in addition to the one to be used
2225                          * in the current connection) the server supports. */
2226
2227                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2228                         j=i=0;
2229                         while (*p)
2230                                 {
2231                                 if (*p == ':')
2232                                         {
2233                                         BIO_write(bio,space,15-j%25);
2234                                         i++;
2235                                         j=0;
2236                                         BIO_write(bio,((i%3)?" ":"\n"),1);
2237                                         }
2238                                 else
2239                                         {
2240                                         BIO_write(bio,p,1);
2241                                         j++;
2242                                         }
2243                                 p++;
2244                                 }
2245                         BIO_write(bio,"\n",1);
2246                         }
2247
2248                 ssl_print_sigalgs(bio, s);
2249                 ssl_print_tmp_key(bio, s);
2250
2251                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2252                         BIO_number_read(SSL_get_rbio(s)),
2253                         BIO_number_written(SSL_get_wbio(s)));
2254                 }
2255         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2256         c=SSL_get_current_cipher(s);
2257         BIO_printf(bio,"%s, Cipher is %s\n",
2258                 SSL_CIPHER_get_version(c),
2259                 SSL_CIPHER_get_name(c));
2260         if (peer != NULL) {
2261                 EVP_PKEY *pktmp;
2262                 pktmp = X509_get_pubkey(peer);
2263                 BIO_printf(bio,"Server public key is %d bit\n",
2264                                                          EVP_PKEY_bits(pktmp));
2265                 EVP_PKEY_free(pktmp);
2266         }
2267         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2268                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2269 #ifndef OPENSSL_NO_COMP
2270         comp=SSL_get_current_compression(s);
2271         expansion=SSL_get_current_expansion(s);
2272         BIO_printf(bio,"Compression: %s\n",
2273                 comp ? SSL_COMP_get_name(comp) : "NONE");
2274         BIO_printf(bio,"Expansion: %s\n",
2275                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2276 #endif
2277
2278 #ifdef SSL_DEBUG
2279         {
2280         /* Print out local port of connection: useful for debugging */
2281         int sock;
2282         struct sockaddr_in ladd;
2283         socklen_t ladd_size = sizeof(ladd);
2284         sock = SSL_get_fd(s);
2285         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2286         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2287         }
2288 #endif
2289
2290 #if !defined(OPENSSL_NO_TLSEXT)
2291 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2292         if (next_proto.status != -1) {
2293                 const unsigned char *proto;
2294                 unsigned int proto_len;
2295                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2296                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2297                 BIO_write(bio, proto, proto_len);
2298                 BIO_write(bio, "\n", 1);
2299         }
2300         {
2301                 const unsigned char *proto;
2302                 unsigned int proto_len;
2303                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2304                 if (proto_len > 0)
2305                         {
2306                         BIO_printf(bio, "ALPN protocol: ");
2307                         BIO_write(bio, proto, proto_len);
2308                         BIO_write(bio, "\n", 1);
2309                         }
2310                 else
2311                         BIO_printf(bio, "No ALPN negotiated\n");
2312         }
2313 # endif
2314 #endif
2315
2316         {
2317         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2318
2319         if(srtp_profile)
2320                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2321                            srtp_profile->name);
2322         }
2323
2324         SSL_SESSION_print(bio,SSL_get_session(s));
2325         if (keymatexportlabel != NULL)
2326                 {
2327                 BIO_printf(bio, "Keying material exporter:\n");
2328                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2329                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2330                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2331                 if (exportedkeymat != NULL)
2332                         {
2333                         if (!SSL_export_keying_material(s, exportedkeymat,
2334                                                         keymatexportlen,
2335                                                         keymatexportlabel,
2336                                                         strlen(keymatexportlabel),
2337                                                         NULL, 0, 0))
2338                                 {
2339                                 BIO_printf(bio, "    Error\n");
2340                                 }
2341                         else
2342                                 {
2343                                 BIO_printf(bio, "    Keying material: ");
2344                                 for (i=0; i<keymatexportlen; i++)
2345                                         BIO_printf(bio, "%02X",
2346                                                    exportedkeymat[i]);
2347                                 BIO_printf(bio, "\n");
2348                                 }
2349                         OPENSSL_free(exportedkeymat);
2350                         }
2351                 }
2352         BIO_printf(bio,"---\n");
2353         if (peer != NULL)
2354                 X509_free(peer);
2355         /* flush, or debugging output gets mixed with http response */
2356         (void)BIO_flush(bio);
2357         }
2358
2359 #ifndef OPENSSL_NO_TLSEXT
2360
2361 static int ocsp_resp_cb(SSL *s, void *arg)
2362         {
2363         const unsigned char *p;
2364         int len;
2365         OCSP_RESPONSE *rsp;
2366         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2367         BIO_puts(arg, "OCSP response: ");
2368         if (!p)
2369                 {
2370                 BIO_puts(arg, "no response sent\n");
2371                 return 1;
2372                 }
2373         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2374         if (!rsp)
2375                 {
2376                 BIO_puts(arg, "response parse error\n");
2377                 BIO_dump_indent(arg, (char *)p, len, 4);
2378                 return 0;
2379                 }
2380         BIO_puts(arg, "\n======================================\n");
2381         OCSP_RESPONSE_print(arg, rsp, 0);
2382         BIO_puts(arg, "======================================\n");
2383         OCSP_RESPONSE_free(rsp);
2384         return 1;
2385         }
2386
2387 static int audit_proof_cb(SSL *s, void *arg)
2388         {
2389         const unsigned char *proof;
2390         size_t proof_len;
2391         size_t i;
2392         SSL_SESSION *sess = SSL_get_session(s);
2393
2394         proof = SSL_SESSION_get_tlsext_authz_server_audit_proof(sess,
2395                                                                 &proof_len);
2396         if (proof != NULL)
2397                 {
2398                 BIO_printf(bio_c_out, "Audit proof: ");
2399                 for (i = 0; i < proof_len; ++i)
2400                         BIO_printf(bio_c_out, "%02X", proof[i]);
2401                 BIO_printf(bio_c_out, "\n");
2402                 }
2403         else
2404                 {
2405                 BIO_printf(bio_c_out, "No audit proof found.\n");
2406                 }
2407         return 1;
2408         }
2409 #endif