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 #endif
 207 static int c_msg=0;
 208 static int c_showcerts=0;
 209
 210 static char *keymatexportlabel=NULL;
 211 static int keymatexportlen=20;
 212
 213 static void sc_usage(void);
 214 static void print_stuff(BIO *berr,SSL *con,int full);
 215 #ifndef OPENSSL_NO_TLSEXT
 216 static int ocsp_resp_cb(SSL *s, void *arg);
 217 #endif
 218 static BIO *bio_c_out=NULL;
 219 static BIO *bio_c_msg=NULL;
 220 static int c_quiet=0;
 221 static int c_ign_eof=0;
 222 static int c_brief=0;
 223
 224 #ifndef OPENSSL_NO_PSK
 225 /* Default PSK identity and key */
 226 static char *psk_identity="Client_identity";
 227 /*char *psk_key=NULL;  by default PSK is not used */
 228
 229 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 230         unsigned int max_identity_len, unsigned char *psk,
 231         unsigned int max_psk_len)
 232         {
 233         unsigned int psk_len = 0;
 234         int ret;
 235         BIGNUM *bn=NULL;
 236
 237         if (c_debug)
 238                 BIO_printf(bio_c_out, "psk_client_cb\n");
 239         if (!hint)
 240                 {
 241                 /* no ServerKeyExchange message*/
 242                 if (c_debug)
 243                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 244                 }
 245         else if (c_debug)
 246                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 247
 248         /* lookup PSK identity and PSK key based on the given identity hint here */
 249         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 250         if (ret < 0 || (unsigned int)ret > max_identity_len)
 251                 goto out_err;
 252         if (c_debug)
 253                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 254         ret=BN_hex2bn(&bn, psk_key);
 255         if (!ret)
 256                 {
 257                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 258                 if (bn)
 259                         BN_free(bn);
 260                 return 0;
 261                 }
 262
 263         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 264                 {
 265                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 266                         max_psk_len, BN_num_bytes(bn));
 267                 BN_free(bn);
 268                 return 0;
 269                 }
 270
 271         psk_len=BN_bn2bin(bn, psk);
 272         BN_free(bn);
 273         if (psk_len == 0)
 274                 goto out_err;
 275
 276         if (c_debug)
 277                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 278
 279         return psk_len;
 280  out_err:
 281         if (c_debug)
 282                 BIO_printf(bio_err, "Error in PSK client callback\n");
 283         return 0;
 284         }
 285 #endif
 286
 287 static void sc_usage(void)
 288         {
 289         BIO_printf(bio_err,"usage: s_client args\n");
 290         BIO_printf(bio_err,"\n");
 291         BIO_printf(bio_err," -host host     - use -connect instead\n");
 292         BIO_printf(bio_err," -port port     - use -connect instead\n");
 293         BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 294         BIO_printf(bio_err," -verify_host host - check peer certificate matches \"host\"\n");
 295         BIO_printf(bio_err," -verify_email email - check peer certificate matches \"email\"\n");
 296         BIO_printf(bio_err," -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n");
 297
 298         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 299         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 300         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 301         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 302         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 303         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 304         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 305         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 306         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 307         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 308         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 309         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 310         BIO_printf(bio_err," -prexit       - print session information even on connection failure\n");
 311         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 312         BIO_printf(bio_err," -debug        - extra output\n");
 313 #ifdef WATT32
 314         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 315 #endif
 316         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 317         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 318         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 319 #ifdef FIONBIO
 320         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 321 #endif
 322         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 323         BIO_printf(bio_err," -quiet        - no s_client output\n");
 324         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 325         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 326 #ifndef OPENSSL_NO_PSK
 327         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 328         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 329 # ifndef OPENSSL_NO_JPAKE
 330         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 331 # endif
 332 #endif
 333 #ifndef OPENSSL_NO_SRP
 334         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 335         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 336         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 337         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 338         BIO_printf(bio_err," -srp_strength int - minimal length in bits for N (default %d).\n",SRP_MINIMAL_N);
 339 #endif
 340         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 341 #ifndef OPENSSL_NO_SSL3_METHOD
 342         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 343 #endif
 344         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 345         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 346         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 347         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 348         BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
 349         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 350         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 351         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 352         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 353         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 354         BIO_printf(bio_err,"                 command to see what is available\n");
 355         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 356         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 357         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 358         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 359         BIO_printf(bio_err,"                 are supported.\n");
 360 #ifndef OPENSSL_NO_ENGINE
 361         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 362 #endif
 363         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 364         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 365         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 366 #ifndef OPENSSL_NO_TLSEXT
 367         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 368         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 369         BIO_printf(bio_err," -status           - request certificate status from server\n");
 370         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 371         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 372 #endif
 373 # ifndef OPENSSL_NO_NEXTPROTONEG
 374         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 375 # endif
 376         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 377         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 378 #ifndef OPENSSL_NO_SRTP
 379         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 380 #endif
 381         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 382         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 383         }
 384
 385 #ifndef OPENSSL_NO_TLSEXT
 386
 387 /* This is a context that we pass to callbacks */
 388 typedef struct tlsextctx_st {
 389    BIO * biodebug;
 390    int ack;
 391 } tlsextctx;
 392
 393
 394 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 395         {
 396         tlsextctx * p = (tlsextctx *) arg;
 397         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 398         if (SSL_get_servername_type(s) != -1)
 399                 p->ack = !SSL_session_reused(s) && hn != NULL;
 400         else
 401                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 402
 403         return SSL_TLSEXT_ERR_OK;
 404         }
 405
 406 #ifndef OPENSSL_NO_SRP
 407
 408 /* This is a context that we pass to all callbacks */
 409 typedef struct srp_arg_st
 410         {
 411         char *srppassin;
 412         char *srplogin;
 413         int msg;   /* copy from c_msg */
 414         int debug; /* copy from c_debug */
 415         int amp;   /* allow more groups */
 416         int strength /* minimal size for N */ ;
 417         } SRP_ARG;
 418
 419 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 420
 421 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g)
 422         {
 423         BN_CTX *bn_ctx = BN_CTX_new();
 424         BIGNUM *p = BN_new();
 425         BIGNUM *r = BN_new();
 426         int ret =
 427                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 428                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 429                 p != NULL && BN_rshift1(p, N) &&
 430
 431                 /* p = (N-1)/2 */
 432                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 433                 r != NULL &&
 434
 435                 /* verify g^((N-1)/2) == -1 (mod N) */
 436                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 437                 BN_add_word(r, 1) &&
 438                 BN_cmp(r, N) == 0;
 439
 440         if(r)
 441                 BN_free(r);
 442         if(p)
 443                 BN_free(p);
 444         if(bn_ctx)
 445                 BN_CTX_free(bn_ctx);
 446         return ret;
 447         }
 448
 449 /*-
 450  * This callback is used here for two purposes:
 451  * - extended debugging
 452  * - making some primality tests for unknown groups
 453  * The callback is only called for a non default group.
 454  *
 455  * An application does not need the call back at all if
 456  * only the stanard groups are used.  In real life situations,
 457  * client and server already share well known groups,
 458  * thus there is no need to verify them.
 459  * Furthermore, in case that a server actually proposes a group that
 460  * is not one of those defined in RFC 5054, it is more appropriate
 461  * to add the group to a static list and then compare since
 462  * primality tests are rather cpu consuming.
 463  */
 464
 465 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 466         {
 467         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 468         BIGNUM *N = NULL, *g = NULL;
 469         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 470                 return 0;
 471         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 472                 {
 473                 BIO_printf(bio_err, "SRP parameters:\n");
 474                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 475                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 476                 BIO_printf(bio_err,"\n");
 477                 }
 478
 479         if (SRP_check_known_gN_param(g,N))
 480                 return 1;
 481
 482         if (srp_arg->amp == 1)
 483                 {
 484                 if (srp_arg->debug)
 485                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 486
 487 /* The srp_moregroups is a real debugging feature.
 488    Implementors should rather add the value to the known ones.
 489    The minimal size has already been tested.
 490 */
 491                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 492                         return 1;
 493                 }
 494         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 495         return 0;
 496         }
 497
 498 #define PWD_STRLEN 1024
 499
 500 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 501         {
 502         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 503         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 504         PW_CB_DATA cb_tmp;
 505         int l;
 506
 507         cb_tmp.password = (char *)srp_arg->srppassin;
 508         cb_tmp.prompt_info = "SRP user";
 509         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 510                 {
 511                 BIO_printf (bio_err, "Can't read Password\n");
 512                 OPENSSL_free(pass);
 513                 return NULL;
 514                 }
 515         *(pass+l)= '\0';
 516
 517         return pass;
 518         }
 519
 520 #endif
 521 #ifndef OPENSSL_NO_SRTP
 522         char *srtp_profiles = NULL;
 523 #endif
 524
 525 # ifndef OPENSSL_NO_NEXTPROTONEG
 526 /* This the context that we pass to next_proto_cb */
 527 typedef struct tlsextnextprotoctx_st {
 528         unsigned char *data;
 529         unsigned short len;
 530         int status;
 531 } tlsextnextprotoctx;
 532
 533 static tlsextnextprotoctx next_proto;
 534
 535 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 536         {
 537         tlsextnextprotoctx *ctx = arg;
 538
 539         if (!c_quiet)
 540                 {
 541                 /* We can assume that |in| is syntactically valid. */
 542                 unsigned i;
 543                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 544                 for (i = 0; i < inlen; )
 545                         {
 546                         if (i)
 547                                 BIO_write(bio_c_out, ", ", 2);
 548                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 549                         i += in[i] + 1;
 550                         }
 551                 BIO_write(bio_c_out, "\n", 1);
 552                 }
 553
 554         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 555         return SSL_TLSEXT_ERR_OK;
 556         }
 557 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 558
 559 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
 560                                    const unsigned char* in, size_t inlen,
 561                                    int* al, void* arg)
 562         {
 563         char pem_name[100];
 564         unsigned char ext_buf[4 + 65536];
 565
 566         /* Reconstruct the type/len fields prior to extension data */
 567         ext_buf[0] = ext_type >> 8;
 568         ext_buf[1] = ext_type & 0xFF;
 569         ext_buf[2] = inlen >> 8;
 570         ext_buf[3] = inlen & 0xFF;
 571         memcpy(ext_buf+4, in, inlen);
 572
 573         BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
 574                      ext_type);
 575         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 576         return 1;
 577         }
 578
 579 #endif
 580
 581 enum
 582 {
 583         PROTO_OFF       = 0,
 584         PROTO_SMTP,
 585         PROTO_POP3,
 586         PROTO_IMAP,
 587         PROTO_FTP,
 588         PROTO_XMPP
 589 };
 590
 591 int MAIN(int, char **);
 592
 593 int MAIN(int argc, char **argv)
 594         {
 595         int build_chain = 0;
 596         SSL *con=NULL;
 597 #ifndef OPENSSL_NO_KRB5
 598         KSSL_CTX *kctx;
 599 #endif
 600         int s,k,width,state=0;
 601         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 602         int cbuf_len,cbuf_off;
 603         int sbuf_len,sbuf_off;
 604         fd_set readfds,writefds;
 605         short port=PORT;
 606         int full_log=1;
 607         char *host=SSL_HOST_NAME;
 608         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 609         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 610         char *passarg = NULL, *pass = NULL;
 611         X509 *cert = NULL;
 612         EVP_PKEY *key = NULL;
 613         STACK_OF(X509) *chain = NULL;
 614         char *CApath=NULL,*CAfile=NULL;
 615         char *chCApath=NULL,*chCAfile=NULL;
 616         char *vfyCApath=NULL,*vfyCAfile=NULL;
 617         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 618         int crlf=0;
 619         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 620         SSL_CTX *ctx=NULL;
 621         int ret=1,in_init=1,i,nbio_test=0;
 622         int starttls_proto = PROTO_OFF;
 623         int prexit = 0;
 624         X509_VERIFY_PARAM *vpm = NULL;
 625         int badarg = 0;
 626         const SSL_METHOD *meth=NULL;
 627         int socket_type=SOCK_STREAM;
 628         BIO *sbio;
 629         char *inrand=NULL;
 630         int mbuf_len=0;
 631         struct timeval timeout, *timeoutp;
 632 #ifndef OPENSSL_NO_ENGINE
 633         char *engine_id=NULL;
 634         char *ssl_client_engine_id=NULL;
 635         ENGINE *ssl_client_engine=NULL;
 636 #endif
 637         ENGINE *e=NULL;
 638 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 639         struct timeval tv;
 640 #if defined(OPENSSL_SYS_BEOS_R5)
 641         int stdin_set = 0;
 642 #endif
 643 #endif
 644 #ifndef OPENSSL_NO_TLSEXT
 645         char *servername = NULL;
 646         tlsextctx tlsextcbp =
 647         {NULL,0};
 648 # ifndef OPENSSL_NO_NEXTPROTONEG
 649         const char *next_proto_neg_in = NULL;
 650 # endif
 651         const char *alpn_in = NULL;
 652 # define MAX_SI_TYPES 100
 653         unsigned short serverinfo_types[MAX_SI_TYPES];
 654         int serverinfo_types_count = 0;
 655 #endif
 656         char *sess_in = NULL;
 657         char *sess_out = NULL;
 658         struct sockaddr peer;
 659         int peerlen = sizeof(peer);
 660         int fallback_scsv = 0;
 661         int enable_timeouts = 0 ;
 662         long socket_mtu = 0;
 663 #ifndef OPENSSL_NO_JPAKE
 664 static char *jpake_secret = NULL;
 665 #define no_jpake !jpake_secret
 666 #else
 667 #define no_jpake 1
 668 #endif
 669 #ifndef OPENSSL_NO_SRP
 670         char * srppass = NULL;
 671         int srp_lateuser = 0;
 672         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 673 #endif
 674         SSL_EXCERT *exc = NULL;
 675
 676         SSL_CONF_CTX *cctx = NULL;
 677         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 678
 679         char *crl_file = NULL;
 680         int crl_format = FORMAT_PEM;
 681         int crl_download = 0;
 682         STACK_OF(X509_CRL) *crls = NULL;
 683
 684         meth=SSLv23_client_method();
 685
 686         apps_startup();
 687         c_Pause=0;
 688         c_quiet=0;
 689         c_ign_eof=0;
 690         c_debug=0;
 691         c_msg=0;
 692         c_showcerts=0;
 693
 694         if (bio_err == NULL)
 695                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 696
 697         if (!load_config(bio_err, NULL))
 698                 goto end;
 699
 700         cctx = SSL_CONF_CTX_new();
 701         if (!cctx)
 702                 goto end;
 703         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 704         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 705
 706         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 707                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 708                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 709                 {
 710                 BIO_printf(bio_err,"out of memory\n");
 711                 goto end;
 712                 }
 713
 714         verify_depth=0;
 715         verify_error=X509_V_OK;
 716 #ifdef FIONBIO
 717         c_nbio=0;
 718 #endif
 719
 720         argc--;
 721         argv++;
 722         while (argc >= 1)
 723                 {
 724                 if      (strcmp(*argv,"-host") == 0)
 725                         {
 726                         if (--argc < 1) goto bad;
 727                         host= *(++argv);
 728                         }
 729                 else if (strcmp(*argv,"-port") == 0)
 730                         {
 731                         if (--argc < 1) goto bad;
 732                         port=atoi(*(++argv));
 733                         if (port == 0) goto bad;
 734                         }
 735                 else if (strcmp(*argv,"-connect") == 0)
 736                         {
 737                         if (--argc < 1) goto bad;
 738                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 739                                 goto bad;
 740                         }
 741                 else if (strcmp(*argv,"-verify") == 0)
 742                         {
 743                         verify=SSL_VERIFY_PEER;
 744                         if (--argc < 1) goto bad;
 745                         verify_depth=atoi(*(++argv));
 746                         if (!c_quiet)
 747                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 748                         }
 749                 else if (strcmp(*argv,"-cert") == 0)
 750                         {
 751                         if (--argc < 1) goto bad;
 752                         cert_file= *(++argv);
 753                         }
 754                 else if (strcmp(*argv,"-CRL") == 0)
 755                         {
 756                         if (--argc < 1) goto bad;
 757                         crl_file= *(++argv);
 758                         }
 759                 else if (strcmp(*argv,"-crl_download") == 0)
 760                         crl_download = 1;
 761                 else if (strcmp(*argv,"-sess_out") == 0)
 762                         {
 763                         if (--argc < 1) goto bad;
 764                         sess_out = *(++argv);
 765                         }
 766                 else if (strcmp(*argv,"-sess_in") == 0)
 767                         {
 768                         if (--argc < 1) goto bad;
 769                         sess_in = *(++argv);
 770                         }
 771                 else if (strcmp(*argv,"-certform") == 0)
 772                         {
 773                         if (--argc < 1) goto bad;
 774                         cert_format = str2fmt(*(++argv));
 775                         }
 776                 else if (strcmp(*argv,"-CRLform") == 0)
 777                         {
 778                         if (--argc < 1) goto bad;
 779                         crl_format = str2fmt(*(++argv));
 780                         }
 781                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 782                         {
 783                         if (badarg)
 784                                 goto bad;
 785                         continue;
 786                         }
 787                 else if (strcmp(*argv,"-verify_return_error") == 0)
 788                         verify_return_error = 1;
 789                 else if (strcmp(*argv,"-verify_quiet") == 0)
 790                         verify_quiet = 1;
 791                 else if (strcmp(*argv,"-brief") == 0)
 792                         {
 793                         c_brief = 1;
 794                         verify_quiet = 1;
 795                         c_quiet = 1;
 796                         }
 797                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 798                         {
 799                         if (badarg)
 800                                 goto bad;
 801                         continue;
 802                         }
 803                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 804                         {
 805                         if (badarg)
 806                                 goto bad;
 807                         continue;
 808                         }
 809                 else if (strcmp(*argv,"-prexit") == 0)
 810                         prexit=1;
 811                 else if (strcmp(*argv,"-crlf") == 0)
 812                         crlf=1;
 813                 else if (strcmp(*argv,"-quiet") == 0)
 814                         {
 815                         c_quiet=1;
 816                         c_ign_eof=1;
 817                         }
 818                 else if (strcmp(*argv,"-ign_eof") == 0)
 819                         c_ign_eof=1;
 820                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 821                         c_ign_eof=0;
 822                 else if (strcmp(*argv,"-pause") == 0)
 823                         c_Pause=1;
 824                 else if (strcmp(*argv,"-debug") == 0)
 825                         c_debug=1;
 826 #ifndef OPENSSL_NO_TLSEXT
 827                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 828                         c_tlsextdebug=1;
 829                 else if (strcmp(*argv,"-status") == 0)
 830                         c_status_req=1;
 831 #endif
 832 #ifdef WATT32
 833                 else if (strcmp(*argv,"-wdebug") == 0)
 834                         dbug_init();
 835 #endif
 836                 else if (strcmp(*argv,"-msg") == 0)
 837                         c_msg=1;
 838                 else if (strcmp(*argv,"-msgfile") == 0)
 839                         {
 840                         if (--argc < 1) goto bad;
 841                         bio_c_msg = BIO_new_file(*(++argv), "w");
 842                         }
 843 #ifndef OPENSSL_NO_SSL_TRACE
 844                 else if (strcmp(*argv,"-trace") == 0)
 845                         c_msg=2;
 846 #endif
 847                 else if (strcmp(*argv,"-showcerts") == 0)
 848                         c_showcerts=1;
 849                 else if (strcmp(*argv,"-nbio_test") == 0)
 850                         nbio_test=1;
 851                 else if (strcmp(*argv,"-state") == 0)
 852                         state=1;
 853 #ifndef OPENSSL_NO_PSK
 854                 else if (strcmp(*argv,"-psk_identity") == 0)
 855                         {
 856                         if (--argc < 1) goto bad;
 857                         psk_identity=*(++argv);
 858                         }
 859                 else if (strcmp(*argv,"-psk") == 0)
 860                         {
 861                         size_t j;
 862
 863                         if (--argc < 1) goto bad;
 864                         psk_key=*(++argv);
 865                         for (j = 0; j < strlen(psk_key); j++)
 866                                 {
 867                                 if (isxdigit((unsigned char)psk_key[j]))
 868                                         continue;
 869                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 870                                 goto bad;
 871                                 }
 872                         }
 873 #endif
 874 #ifndef OPENSSL_NO_SRP
 875                 else if (strcmp(*argv,"-srpuser") == 0)
 876                         {
 877                         if (--argc < 1) goto bad;
 878                         srp_arg.srplogin= *(++argv);
 879                         meth=TLSv1_client_method();
 880                         }
 881                 else if (strcmp(*argv,"-srppass") == 0)
 882                         {
 883                         if (--argc < 1) goto bad;
 884                         srppass= *(++argv);
 885                         meth=TLSv1_client_method();
 886                         }
 887                 else if (strcmp(*argv,"-srp_strength") == 0)
 888                         {
 889                         if (--argc < 1) goto bad;
 890                         srp_arg.strength=atoi(*(++argv));
 891                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 892                         meth=TLSv1_client_method();
 893                         }
 894                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 895                         {
 896                         srp_lateuser= 1;
 897                         meth=TLSv1_client_method();
 898                         }
 899                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 900                         {
 901                         srp_arg.amp=1;
 902                         meth=TLSv1_client_method();
 903                         }
 904 #endif
 905 #ifndef OPENSSL_NO_SSL2
 906                 else if (strcmp(*argv,"-ssl2") == 0)
 907                         meth=SSLv2_client_method();
 908 #endif
 909 #ifndef OPENSSL_NO_SSL3_METHOD
 910                 else if (strcmp(*argv,"-ssl3") == 0)
 911                         meth=SSLv3_client_method();
 912 #endif
 913 #ifndef OPENSSL_NO_TLS1
 914                 else if (strcmp(*argv,"-tls1_2") == 0)
 915                         meth=TLSv1_2_client_method();
 916                 else if (strcmp(*argv,"-tls1_1") == 0)
 917                         meth=TLSv1_1_client_method();
 918                 else if (strcmp(*argv,"-tls1") == 0)
 919                         meth=TLSv1_client_method();
 920 #endif
 921 #ifndef OPENSSL_NO_DTLS1
 922                 else if (strcmp(*argv,"-dtls") == 0)
 923                         {
 924                         meth=DTLS_client_method();
 925                         socket_type=SOCK_DGRAM;
 926                         }
 927                 else if (strcmp(*argv,"-dtls1") == 0)
 928                         {
 929                         meth=DTLSv1_client_method();
 930                         socket_type=SOCK_DGRAM;
 931                         }
 932                 else if (strcmp(*argv,"-dtls1_2") == 0)
 933                         {
 934                         meth=DTLSv1_2_client_method();
 935                         socket_type=SOCK_DGRAM;
 936                         }
 937                 else if (strcmp(*argv,"-timeout") == 0)
 938                         enable_timeouts=1;
 939                 else if (strcmp(*argv,"-mtu") == 0)
 940                         {
 941                         if (--argc < 1) goto bad;
 942                         socket_mtu = atol(*(++argv));
 943                         }
 944 #endif
 945                 else if (strcmp(*argv,"-fallback_scsv") == 0)
 946                         {
 947                         fallback_scsv = 1;
 948                         }
 949                 else if (strcmp(*argv,"-keyform") == 0)
 950                         {
 951                         if (--argc < 1) goto bad;
 952                         key_format = str2fmt(*(++argv));
 953                         }
 954                 else if (strcmp(*argv,"-pass") == 0)
 955                         {
 956                         if (--argc < 1) goto bad;
 957                         passarg = *(++argv);
 958                         }
 959                 else if (strcmp(*argv,"-cert_chain") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         chain_file= *(++argv);
 963                         }
 964                 else if (strcmp(*argv,"-key") == 0)
 965                         {
 966                         if (--argc < 1) goto bad;
 967                         key_file= *(++argv);
 968                         }
 969                 else if (strcmp(*argv,"-reconnect") == 0)
 970                         {
 971                         reconnect=5;
 972                         }
 973                 else if (strcmp(*argv,"-CApath") == 0)
 974                         {
 975                         if (--argc < 1) goto bad;
 976                         CApath= *(++argv);
 977                         }
 978                 else if (strcmp(*argv,"-chainCApath") == 0)
 979                         {
 980                         if (--argc < 1) goto bad;
 981                         chCApath= *(++argv);
 982                         }
 983                 else if (strcmp(*argv,"-verifyCApath") == 0)
 984                         {
 985                         if (--argc < 1) goto bad;
 986                         vfyCApath= *(++argv);
 987                         }
 988                 else if (strcmp(*argv,"-build_chain") == 0)
 989                         build_chain = 1;
 990                 else if (strcmp(*argv,"-CAfile") == 0)
 991                         {
 992                         if (--argc < 1) goto bad;
 993                         CAfile= *(++argv);
 994                         }
 995                 else if (strcmp(*argv,"-chainCAfile") == 0)
 996                         {
 997                         if (--argc < 1) goto bad;
 998                         chCAfile= *(++argv);
 999                         }
1000                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1001                         {
1002                         if (--argc < 1) goto bad;
1003                         vfyCAfile= *(++argv);
1004                         }
1005 #ifndef OPENSSL_NO_TLSEXT
1006 # ifndef OPENSSL_NO_NEXTPROTONEG
1007                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1008                         {
1009                         if (--argc < 1) goto bad;
1010                         next_proto_neg_in = *(++argv);
1011                         }
1012 # endif
1013                 else if (strcmp(*argv,"-alpn") == 0)
1014                         {
1015                         if (--argc < 1) goto bad;
1016                         alpn_in = *(++argv);
1017                         }
1018                 else if (strcmp(*argv,"-serverinfo") == 0)
1019                         {
1020                         char *c;
1021                         int start = 0;
1022                         int len;
1023
1024                         if (--argc < 1) goto bad;
1025                         c = *(++argv);
1026                         serverinfo_types_count = 0;
1027                         len = strlen(c);
1028                         for (i = 0; i <= len; ++i)
1029                                 {
1030                                 if (i == len || c[i] == ',')
1031                                         {
1032                                         serverinfo_types[serverinfo_types_count]
1033                                             = atoi(c+start);
1034                                         serverinfo_types_count++;
1035                                         start = i+1;
1036                                         }
1037                                 if (serverinfo_types_count == MAX_SI_TYPES)
1038                                         break;
1039                                 }
1040                         }
1041 #endif
1042 #ifdef FIONBIO
1043                 else if (strcmp(*argv,"-nbio") == 0)
1044                         { c_nbio=1; }
1045 #endif
1046                 else if (strcmp(*argv,"-starttls") == 0)
1047                         {
1048                         if (--argc < 1) goto bad;
1049                         ++argv;
1050                         if (strcmp(*argv,"smtp") == 0)
1051                                 starttls_proto = PROTO_SMTP;
1052                         else if (strcmp(*argv,"pop3") == 0)
1053                                 starttls_proto = PROTO_POP3;
1054                         else if (strcmp(*argv,"imap") == 0)
1055                                 starttls_proto = PROTO_IMAP;
1056                         else if (strcmp(*argv,"ftp") == 0)
1057                                 starttls_proto = PROTO_FTP;
1058                         else if (strcmp(*argv, "xmpp") == 0)
1059                                 starttls_proto = PROTO_XMPP;
1060                         else
1061                                 goto bad;
1062                         }
1063 #ifndef OPENSSL_NO_ENGINE
1064                 else if (strcmp(*argv,"-engine") == 0)
1065                         {
1066                         if (--argc < 1) goto bad;
1067                         engine_id = *(++argv);
1068                         }
1069                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1070                         {
1071                         if (--argc < 1) goto bad;
1072                         ssl_client_engine_id = *(++argv);
1073                         }
1074 #endif
1075                 else if (strcmp(*argv,"-rand") == 0)
1076                         {
1077                         if (--argc < 1) goto bad;
1078                         inrand= *(++argv);
1079                         }
1080 #ifndef OPENSSL_NO_TLSEXT
1081                 else if (strcmp(*argv,"-servername") == 0)
1082                         {
1083                         if (--argc < 1) goto bad;
1084                         servername= *(++argv);
1085                         /* meth=TLSv1_client_method(); */
1086                         }
1087 #endif
1088 #ifndef OPENSSL_NO_JPAKE
1089                 else if (strcmp(*argv,"-jpake") == 0)
1090                         {
1091                         if (--argc < 1) goto bad;
1092                         jpake_secret = *++argv;
1093                         }
1094 #endif
1095 #ifndef OPENSSL_NO_SRTP
1096                 else if (strcmp(*argv,"-use_srtp") == 0)
1097                         {
1098                         if (--argc < 1) goto bad;
1099                         srtp_profiles = *(++argv);
1100                         }
1101 #endif
1102                 else if (strcmp(*argv,"-keymatexport") == 0)
1103                         {
1104                         if (--argc < 1) goto bad;
1105                         keymatexportlabel= *(++argv);
1106                         }
1107                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1108                         {
1109                         if (--argc < 1) goto bad;
1110                         keymatexportlen=atoi(*(++argv));
1111                         if (keymatexportlen == 0) goto bad;
1112                         }
1113                 else
1114                         {
1115                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1116                         badop=1;
1117                         break;
1118                         }
1119                 argc--;
1120                 argv++;
1121                 }
1122         if (badop)
1123                 {
1124 bad:
1125                 sc_usage();
1126                 goto end;
1127                 }
1128
1129 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1130         if (jpake_secret)
1131                 {
1132                 if (psk_key)
1133                         {
1134                         BIO_printf(bio_err,
1135                                    "Can't use JPAKE and PSK together\n");
1136                         goto end;
1137                         }
1138                 psk_identity = "JPAKE";
1139                 }
1140 #endif
1141
1142         OpenSSL_add_ssl_algorithms();
1143         SSL_load_error_strings();
1144
1145 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1146         next_proto.status = -1;
1147         if (next_proto_neg_in)
1148                 {
1149                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1150                 if (next_proto.data == NULL)
1151                         {
1152                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1153                         goto end;
1154                         }
1155                 }
1156         else
1157                 next_proto.data = NULL;
1158 #endif
1159
1160 #ifndef OPENSSL_NO_ENGINE
1161         e = setup_engine(bio_err, engine_id, 1);
1162         if (ssl_client_engine_id)
1163                 {
1164                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1165                 if (!ssl_client_engine)
1166                         {
1167                         BIO_printf(bio_err,
1168                                         "Error getting client auth engine\n");
1169                         goto end;
1170                         }
1171                 }
1172
1173 #endif
1174         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1175                 {
1176                 BIO_printf(bio_err, "Error getting password\n");
1177                 goto end;
1178                 }
1179
1180         if (key_file == NULL)
1181                 key_file = cert_file;
1182
1183
1184         if (key_file)
1185
1186                 {
1187
1188                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1189                                "client certificate private key file");
1190                 if (!key)
1191                         {
1192                         ERR_print_errors(bio_err);
1193                         goto end;
1194                         }
1195
1196                 }
1197
1198         if (cert_file)
1199
1200                 {
1201                 cert = load_cert(bio_err,cert_file,cert_format,
1202                                 NULL, e, "client certificate file");
1203
1204                 if (!cert)
1205                         {
1206                         ERR_print_errors(bio_err);
1207                         goto end;
1208                         }
1209                 }
1210
1211         if (chain_file)
1212                 {
1213                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1214                                         NULL, e, "client certificate chain");
1215                 if (!chain)
1216                         goto end;
1217                 }
1218
1219         if (crl_file)
1220                 {
1221                 X509_CRL *crl;
1222                 crl = load_crl(crl_file, crl_format);
1223                 if (!crl)
1224                         {
1225                         BIO_puts(bio_err, "Error loading CRL\n");
1226                         ERR_print_errors(bio_err);
1227                         goto end;
1228                         }
1229                 crls = sk_X509_CRL_new_null();
1230                 if (!crls || !sk_X509_CRL_push(crls, crl))
1231                         {
1232                         BIO_puts(bio_err, "Error adding CRL\n");
1233                         ERR_print_errors(bio_err);
1234                         X509_CRL_free(crl);
1235                         goto end;
1236                         }
1237                 }
1238
1239         if (!load_excert(&exc, bio_err))
1240                 goto end;
1241
1242         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1243                 && !RAND_status())
1244                 {
1245                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1246                 }
1247         if (inrand != NULL)
1248                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1249                         app_RAND_load_files(inrand));
1250
1251         if (bio_c_out == NULL)
1252                 {
1253                 if (c_quiet && !c_debug)
1254                         {
1255                         bio_c_out=BIO_new(BIO_s_null());
1256                         if (c_msg && !bio_c_msg)
1257                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1258                         }
1259                 else
1260                         {
1261                         if (bio_c_out == NULL)
1262                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1263                         }
1264                 }
1265
1266 #ifndef OPENSSL_NO_SRP
1267         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1268                 {
1269                 BIO_printf(bio_err, "Error getting password\n");
1270                 goto end;
1271                 }
1272 #endif
1273
1274         ctx=SSL_CTX_new(meth);
1275         if (ctx == NULL)
1276                 {
1277                 ERR_print_errors(bio_err);
1278                 goto end;
1279                 }
1280
1281         if (vpm)
1282                 SSL_CTX_set1_param(ctx, vpm);
1283
1284         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1285                 {
1286                 ERR_print_errors(bio_err);
1287                 goto end;
1288                 }
1289
1290         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1291                                                 crls, crl_download))
1292                 {
1293                 BIO_printf(bio_err, "Error loading store locations\n");
1294                 ERR_print_errors(bio_err);
1295                 goto end;
1296                 }
1297
1298 #ifndef OPENSSL_NO_ENGINE
1299         if (ssl_client_engine)
1300                 {
1301                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1302                         {
1303                         BIO_puts(bio_err, "Error setting client auth engine\n");
1304                         ERR_print_errors(bio_err);
1305                         ENGINE_free(ssl_client_engine);
1306                         goto end;
1307                         }
1308                 ENGINE_free(ssl_client_engine);
1309                 }
1310 #endif
1311
1312 #ifndef OPENSSL_NO_PSK
1313 #ifdef OPENSSL_NO_JPAKE
1314         if (psk_key != NULL)
1315 #else
1316         if (psk_key != NULL || jpake_secret)
1317 #endif
1318                 {
1319                 if (c_debug)
1320                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1321                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1322                 }
1323 #endif
1324 #ifndef OPENSSL_NO_SRTP
1325         if (srtp_profiles != NULL)
1326                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1327 #endif
1328         if (exc) ssl_ctx_set_excert(ctx, exc);
1329         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1330          * Setting read ahead solves this problem.
1331          */
1332         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1333
1334 #if !defined(OPENSSL_NO_TLSEXT)
1335 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1336         if (next_proto.data)
1337                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1338 # endif
1339         if (alpn_in)
1340                 {
1341                 unsigned short alpn_len;
1342                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1343
1344                 if (alpn == NULL)
1345                         {
1346                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1347                         goto end;
1348                         }
1349                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1350                 OPENSSL_free(alpn);
1351                 }
1352 #endif
1353 #ifndef OPENSSL_NO_TLSEXT
1354                 for (i = 0; i < serverinfo_types_count; i++)
1355                         {
1356                         SSL_CTX_add_client_custom_ext(ctx,
1357                                                       serverinfo_types[i],
1358                                                       NULL, NULL, NULL,
1359                                                       serverinfo_cli_parse_cb,
1360                                                       NULL);
1361                         }
1362 #endif
1363
1364         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1365 #if 0
1366         else
1367                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1368 #endif
1369
1370         SSL_CTX_set_verify(ctx,verify,verify_callback);
1371
1372         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1373                 (!SSL_CTX_set_default_verify_paths(ctx)))
1374                 {
1375                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1376                 ERR_print_errors(bio_err);
1377                 /* goto end; */
1378                 }
1379
1380         ssl_ctx_add_crls(ctx, crls, crl_download);
1381         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1382                 goto end;
1383
1384 #ifndef OPENSSL_NO_TLSEXT
1385         if (servername != NULL)
1386                 {
1387                 tlsextcbp.biodebug = bio_err;
1388                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1389                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1390                 }
1391 #ifndef OPENSSL_NO_SRP
1392         if (srp_arg.srplogin)
1393                 {
1394                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1395                         {
1396                         BIO_printf(bio_err,"Unable to set SRP username\n");
1397                         goto end;
1398                         }
1399                 srp_arg.msg = c_msg;
1400                 srp_arg.debug = c_debug ;
1401                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1402                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1403                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1404                 if (c_msg || c_debug || srp_arg.amp == 0)
1405                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1406                 }
1407
1408 #endif
1409 #endif
1410
1411         con=SSL_new(ctx);
1412         if (sess_in)
1413                 {
1414                 SSL_SESSION *sess;
1415                 BIO *stmp = BIO_new_file(sess_in, "r");
1416                 if (!stmp)
1417                         {
1418                         BIO_printf(bio_err, "Can't open session file %s\n",
1419                                                 sess_in);
1420                         ERR_print_errors(bio_err);
1421                         goto end;
1422                         }
1423                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1424                 BIO_free(stmp);
1425                 if (!sess)
1426                         {
1427                         BIO_printf(bio_err, "Can't open session file %s\n",
1428                                                 sess_in);
1429                         ERR_print_errors(bio_err);
1430                         goto end;
1431                         }
1432                 SSL_set_session(con, sess);
1433                 SSL_SESSION_free(sess);
1434                 }
1435
1436         if (fallback_scsv)
1437                 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1438
1439 #ifndef OPENSSL_NO_TLSEXT
1440         if (servername != NULL)
1441                 {
1442                 if (!SSL_set_tlsext_host_name(con,servername))
1443                         {
1444                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1445                         ERR_print_errors(bio_err);
1446                         goto end;
1447                         }
1448                 }
1449 #endif
1450 #ifndef OPENSSL_NO_KRB5
1451         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1452                 {
1453                 SSL_set0_kssl_ctx(con, kctx);
1454                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1455                 }
1456 #endif  /* OPENSSL_NO_KRB5  */
1457 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1458 #if 0
1459 #ifdef TLSEXT_TYPE_opaque_prf_input
1460         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1461 #endif
1462 #endif
1463
1464 re_start:
1465
1466         if (init_client(&s,host,port,socket_type) == 0)
1467                 {
1468                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1469                 SHUTDOWN(s);
1470                 goto end;
1471                 }
1472         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1473
1474 #ifdef FIONBIO
1475         if (c_nbio)
1476                 {
1477                 unsigned long l=1;
1478                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1479                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1480                         {
1481                         ERR_print_errors(bio_err);
1482                         goto end;
1483                         }
1484                 }
1485 #endif
1486         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1487
1488         if (socket_type == SOCK_DGRAM)
1489                 {
1490
1491                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1492                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1493                         {
1494                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1495                                 get_last_socket_error());
1496                         SHUTDOWN(s);
1497                         goto end;
1498                         }
1499
1500                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1501
1502                 if (enable_timeouts)
1503                         {
1504                         timeout.tv_sec = 0;
1505                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1506                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1507
1508                         timeout.tv_sec = 0;
1509                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1510                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1511                         }
1512
1513                 if (socket_mtu)
1514                         {
1515                         if(socket_mtu < DTLS_get_link_min_mtu(con))
1516                                 {
1517                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1518                                         DTLS_get_link_min_mtu(con));
1519                                 BIO_free(sbio);
1520                                 goto shut;
1521                                 }
1522                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1523                         if(!DTLS_set_link_mtu(con, socket_mtu))
1524                                 {
1525                                 BIO_printf(bio_err, "Failed to set MTU\n");
1526                                 BIO_free(sbio);
1527                                 goto shut;
1528                                 }
1529                         }
1530                 else
1531                         /* want to do MTU discovery */
1532                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1533                 }
1534         else
1535                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1536
1537         if (nbio_test)
1538                 {
1539                 BIO *test;
1540
1541                 test=BIO_new(BIO_f_nbio_test());
1542                 sbio=BIO_push(test,sbio);
1543                 }
1544
1545         if (c_debug)
1546                 {
1547                 SSL_set_debug(con, 1);
1548                 BIO_set_callback(sbio,bio_dump_callback);
1549                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1550                 }
1551         if (c_msg)
1552                 {
1553 #ifndef OPENSSL_NO_SSL_TRACE
1554                 if (c_msg == 2)
1555                         SSL_set_msg_callback(con, SSL_trace);
1556                 else
1557 #endif
1558                         SSL_set_msg_callback(con, msg_cb);
1559                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1560                 }
1561 #ifndef OPENSSL_NO_TLSEXT
1562         if (c_tlsextdebug)
1563                 {
1564                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1565                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1566                 }
1567         if (c_status_req)
1568                 {
1569                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1570                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1571                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1572 #if 0
1573 {
1574 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1575 OCSP_RESPID *id = OCSP_RESPID_new();
1576 id->value.byKey = ASN1_OCTET_STRING_new();
1577 id->type = V_OCSP_RESPID_KEY;
1578 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1579 sk_OCSP_RESPID_push(ids, id);
1580 SSL_set_tlsext_status_ids(con, ids);
1581 }
1582 #endif
1583                 }
1584 #endif
1585 #ifndef OPENSSL_NO_JPAKE
1586         if (jpake_secret)
1587                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1588 #endif
1589
1590         SSL_set_bio(con,sbio,sbio);
1591         SSL_set_connect_state(con);
1592
1593         /* ok, lets connect */
1594         width=SSL_get_fd(con)+1;
1595
1596         read_tty=1;
1597         write_tty=0;
1598         tty_on=0;
1599         read_ssl=1;
1600         write_ssl=1;
1601
1602         cbuf_len=0;
1603         cbuf_off=0;
1604         sbuf_len=0;
1605         sbuf_off=0;
1606
1607         /* This is an ugly hack that does a lot of assumptions */
1608         /* We do have to handle multi-line responses which may come
1609            in a single packet or not. We therefore have to use
1610            BIO_gets() which does need a buffering BIO. So during
1611            the initial chitchat we do push a buffering BIO into the
1612            chain that is removed again later on to not disturb the
1613            rest of the s_client operation. */
1614         if (starttls_proto == PROTO_SMTP)
1615                 {
1616                 int foundit=0;
1617                 BIO *fbio = BIO_new(BIO_f_buffer());
1618                 BIO_push(fbio, sbio);
1619                 /* wait for multi-line response to end from SMTP */
1620                 do
1621                         {
1622                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1623                         }
1624                 while (mbuf_len>3 && mbuf[3]=='-');
1625                 /* STARTTLS command requires EHLO... */
1626                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1627                 (void)BIO_flush(fbio);
1628                 /* wait for multi-line response to end EHLO SMTP response */
1629                 do
1630                         {
1631                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1632                         if (strstr(mbuf,"STARTTLS"))
1633                                 foundit=1;
1634                         }
1635                 while (mbuf_len>3 && mbuf[3]=='-');
1636                 (void)BIO_flush(fbio);
1637                 BIO_pop(fbio);
1638                 BIO_free(fbio);
1639                 if (!foundit)
1640                         BIO_printf(bio_err,
1641                                    "didn't found starttls in server response,"
1642                                    " try anyway...\n");
1643                 BIO_printf(sbio,"STARTTLS\r\n");
1644                 BIO_read(sbio,sbuf,BUFSIZZ);
1645                 }
1646         else if (starttls_proto == PROTO_POP3)
1647                 {
1648                 BIO_read(sbio,mbuf,BUFSIZZ);
1649                 BIO_printf(sbio,"STLS\r\n");
1650                 BIO_read(sbio,sbuf,BUFSIZZ);
1651                 }
1652         else if (starttls_proto == PROTO_IMAP)
1653                 {
1654                 int foundit=0;
1655                 BIO *fbio = BIO_new(BIO_f_buffer());
1656                 BIO_push(fbio, sbio);
1657                 BIO_gets(fbio,mbuf,BUFSIZZ);
1658                 /* STARTTLS command requires CAPABILITY... */
1659                 BIO_printf(fbio,". CAPABILITY\r\n");
1660                 (void)BIO_flush(fbio);
1661                 /* wait for multi-line CAPABILITY response */
1662                 do
1663                         {
1664                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1665                         if (strstr(mbuf,"STARTTLS"))
1666                                 foundit=1;
1667                         }
1668                 while (mbuf_len>3 && mbuf[0]!='.');
1669                 (void)BIO_flush(fbio);
1670                 BIO_pop(fbio);
1671                 BIO_free(fbio);
1672                 if (!foundit)
1673                         BIO_printf(bio_err,
1674                                    "didn't found STARTTLS in server response,"
1675                                    " try anyway...\n");
1676                 BIO_printf(sbio,". STARTTLS\r\n");
1677                 BIO_read(sbio,sbuf,BUFSIZZ);
1678                 }
1679         else if (starttls_proto == PROTO_FTP)
1680                 {
1681                 BIO *fbio = BIO_new(BIO_f_buffer());
1682                 BIO_push(fbio, sbio);
1683                 /* wait for multi-line response to end from FTP */
1684                 do
1685                         {
1686                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1687                         }
1688                 while (mbuf_len>3 && mbuf[3]=='-');
1689                 (void)BIO_flush(fbio);
1690                 BIO_pop(fbio);
1691                 BIO_free(fbio);
1692                 BIO_printf(sbio,"AUTH TLS\r\n");
1693                 BIO_read(sbio,sbuf,BUFSIZZ);
1694                 }
1695         if (starttls_proto == PROTO_XMPP)
1696                 {
1697                 int seen = 0;
1698                 BIO_printf(sbio,"<stream:stream "
1699                     "xmlns:stream='http://etherx.jabber.org/streams' "
1700                     "xmlns='jabber:client' to='%s' version='1.0'>", host);
1701                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1702                 mbuf[seen] = 0;
1703                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'"))
1704                         {
1705                         if (strstr(mbuf, "/stream:features>"))
1706                                 goto shut;
1707                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1708                         mbuf[seen] = 0;
1709                         }
1710                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1711                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1712                 sbuf[seen] = 0;
1713                 if (!strstr(sbuf, "<proceed"))
1714                         goto shut;
1715                 mbuf[0] = 0;
1716                 }
1717
1718         for (;;)
1719                 {
1720                 FD_ZERO(&readfds);
1721                 FD_ZERO(&writefds);
1722
1723                 if ((SSL_version(con) == DTLS1_VERSION) &&
1724                         DTLSv1_get_timeout(con, &timeout))
1725                         timeoutp = &timeout;
1726                 else
1727                         timeoutp = NULL;
1728
1729                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1730                         {
1731                         in_init=1;
1732                         tty_on=0;
1733                         }
1734                 else
1735                         {
1736                         tty_on=1;
1737                         if (in_init)
1738                                 {
1739                                 in_init=0;
1740 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1741 #ifndef OPENSSL_NO_TLSEXT
1742                                 if (servername != NULL && !SSL_session_reused(con))
1743                                         {
1744                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1745                                         }
1746 #endif
1747 #endif
1748                                 if (sess_out)
1749                                         {
1750                                         BIO *stmp = BIO_new_file(sess_out, "w");
1751                                         if (stmp)
1752                                                 {
1753                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1754                                                 BIO_free(stmp);
1755                                                 }
1756                                         else
1757                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1758                                         }
1759                                 if (c_brief)
1760                                         {
1761                                         BIO_puts(bio_err,
1762                                                 "CONNECTION ESTABLISHED\n");
1763                                         print_ssl_summary(bio_err, con);
1764                                         }
1765
1766                                 print_stuff(bio_c_out,con,full_log);
1767                                 if (full_log > 0) full_log--;
1768
1769                                 if (starttls_proto)
1770                                         {
1771                                         BIO_printf(bio_err,"%s",mbuf);
1772                                         /* We don't need to know any more */
1773                                         starttls_proto = PROTO_OFF;
1774                                         }
1775
1776                                 if (reconnect)
1777                                         {
1778                                         reconnect--;
1779                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1780                                         SSL_shutdown(con);
1781                                         SSL_set_connect_state(con);
1782                                         SHUTDOWN(SSL_get_fd(con));
1783                                         goto re_start;
1784                                         }
1785                                 }
1786                         }
1787
1788                 ssl_pending = read_ssl && SSL_pending(con);
1789
1790                 if (!ssl_pending)
1791                         {
1792 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1793                         if (tty_on)
1794                                 {
1795                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1796                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1797                                 }
1798                         if (read_ssl)
1799                                 openssl_fdset(SSL_get_fd(con),&readfds);
1800                         if (write_ssl)
1801                                 openssl_fdset(SSL_get_fd(con),&writefds);
1802 #else
1803                         if(!tty_on || !write_tty) {
1804                                 if (read_ssl)
1805                                         openssl_fdset(SSL_get_fd(con),&readfds);
1806                                 if (write_ssl)
1807                                         openssl_fdset(SSL_get_fd(con),&writefds);
1808                         }
1809 #endif
1810 /*-                     printf("mode tty(%d %d%d) ssl(%d%d)\n",
1811                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1812
1813                         /* Note: under VMS with SOCKETSHR the second parameter
1814                          * is currently of type (int *) whereas under other
1815                          * systems it is (void *) if you don't have a cast it
1816                          * will choke the compiler: if you do have a cast then
1817                          * you can either go for (int *) or (void *).
1818                          */
1819 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1820                         /* Under Windows/DOS we make the assumption that we can
1821                          * always write to the tty: therefore if we need to
1822                          * write to the tty we just fall through. Otherwise
1823                          * we timeout the select every second and see if there
1824                          * are any keypresses. Note: this is a hack, in a proper
1825                          * Windows application we wouldn't do this.
1826                          */
1827                         i=0;
1828                         if(!write_tty) {
1829                                 if(read_tty) {
1830                                         tv.tv_sec = 1;
1831                                         tv.tv_usec = 0;
1832                                         i=select(width,(void *)&readfds,(void *)&writefds,
1833                                                  NULL,&tv);
1834 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1835                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1836 #else
1837                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1838 #endif
1839                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1840                                          NULL,timeoutp);
1841                         }
1842 #elif defined(OPENSSL_SYS_NETWARE)
1843                         if(!write_tty) {
1844                                 if(read_tty) {
1845                                         tv.tv_sec = 1;
1846                                         tv.tv_usec = 0;
1847                                         i=select(width,(void *)&readfds,(void *)&writefds,
1848                                                 NULL,&tv);
1849                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1850                                         NULL,timeoutp);
1851                         }
1852 #elif defined(OPENSSL_SYS_BEOS_R5)
1853                         /* Under BeOS-R5 the situation is similar to DOS */
1854                         i=0;
1855                         stdin_set = 0;
1856                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1857                         if(!write_tty) {
1858                                 if(read_tty) {
1859                                         tv.tv_sec = 1;
1860                                         tv.tv_usec = 0;
1861                                         i=select(width,(void *)&readfds,(void *)&writefds,
1862                                                  NULL,&tv);
1863                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1864                                                 stdin_set = 1;
1865                                         if (!i && (stdin_set != 1 || !read_tty))
1866                                                 continue;
1867                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1868                                          NULL,timeoutp);
1869                         }
1870                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1871 #else
1872                         i=select(width,(void *)&readfds,(void *)&writefds,
1873                                  NULL,timeoutp);
1874 #endif
1875                         if ( i < 0)
1876                                 {
1877                                 BIO_printf(bio_err,"bad select %d\n",
1878                                 get_last_socket_error());
1879                                 goto shut;
1880                                 /* goto end; */
1881                                 }
1882                         }
1883
1884                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1885                         {
1886                         BIO_printf(bio_err,"TIMEOUT occured\n");
1887                         }
1888
1889                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1890                         {
1891                         k=SSL_write(con,&(cbuf[cbuf_off]),
1892                                 (unsigned int)cbuf_len);
1893                         switch (SSL_get_error(con,k))
1894                                 {
1895                         case SSL_ERROR_NONE:
1896                                 cbuf_off+=k;
1897                                 cbuf_len-=k;
1898                                 if (k <= 0) goto end;
1899                                 /* we have done a  write(con,NULL,0); */
1900                                 if (cbuf_len <= 0)
1901                                         {
1902                                         read_tty=1;
1903                                         write_ssl=0;
1904                                         }
1905                                 else /* if (cbuf_len > 0) */
1906                                         {
1907                                         read_tty=0;
1908                                         write_ssl=1;
1909                                         }
1910                                 break;
1911                         case SSL_ERROR_WANT_WRITE:
1912                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1913                                 write_ssl=1;
1914                                 read_tty=0;
1915                                 break;
1916                         case SSL_ERROR_WANT_READ:
1917                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1918                                 write_tty=0;
1919                                 read_ssl=1;
1920                                 write_ssl=0;
1921                                 break;
1922                         case SSL_ERROR_WANT_X509_LOOKUP:
1923                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1924                                 break;
1925                         case SSL_ERROR_ZERO_RETURN:
1926                                 if (cbuf_len != 0)
1927                                         {
1928                                         BIO_printf(bio_c_out,"shutdown\n");
1929                                         ret = 0;
1930                                         goto shut;
1931                                         }
1932                                 else
1933                                         {
1934                                         read_tty=1;
1935                                         write_ssl=0;
1936                                         break;
1937                                         }
1938
1939                         case SSL_ERROR_SYSCALL:
1940                                 if ((k != 0) || (cbuf_len != 0))
1941                                         {
1942                                         BIO_printf(bio_err,"write:errno=%d\n",
1943                                                 get_last_socket_error());
1944                                         goto shut;
1945                                         }
1946                                 else
1947                                         {
1948                                         read_tty=1;
1949                                         write_ssl=0;
1950                                         }
1951                                 break;
1952                         case SSL_ERROR_SSL:
1953                                 ERR_print_errors(bio_err);
1954                                 goto shut;
1955                                 }
1956                         }
1957 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1958                 /* Assume Windows/DOS/BeOS can always write */
1959                 else if (!ssl_pending && write_tty)
1960 #else
1961                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1962 #endif
1963                         {
1964 #ifdef CHARSET_EBCDIC
1965                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1966 #endif
1967                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1968
1969                         if (i <= 0)
1970                                 {
1971                                 BIO_printf(bio_c_out,"DONE\n");
1972                                 ret = 0;
1973                                 goto shut;
1974                                 /* goto end; */
1975                                 }
1976
1977                         sbuf_len-=i;;
1978                         sbuf_off+=i;
1979                         if (sbuf_len <= 0)
1980                                 {
1981                                 read_ssl=1;
1982                                 write_tty=0;
1983                                 }
1984                         }
1985                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1986                         {
1987 #ifdef RENEG
1988 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
1989 #endif
1990 #if 1
1991                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
1992 #else
1993 /* Demo for pending and peek :-) */
1994                         k=SSL_read(con,sbuf,16);
1995 { char zbuf[10240];
1996 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
1997 }
1998 #endif
1999
2000                         switch (SSL_get_error(con,k))
2001                                 {
2002                         case SSL_ERROR_NONE:
2003                                 if (k <= 0)
2004                                         goto end;
2005                                 sbuf_off=0;
2006                                 sbuf_len=k;
2007
2008                                 read_ssl=0;
2009                                 write_tty=1;
2010                                 break;
2011                         case SSL_ERROR_WANT_WRITE:
2012                                 BIO_printf(bio_c_out,"read W BLOCK\n");
2013                                 write_ssl=1;
2014                                 read_tty=0;
2015                                 break;
2016                         case SSL_ERROR_WANT_READ:
2017                                 BIO_printf(bio_c_out,"read R BLOCK\n");
2018                                 write_tty=0;
2019                                 read_ssl=1;
2020                                 if ((read_tty == 0) && (write_ssl == 0))
2021                                         write_ssl=1;
2022                                 break;
2023                         case SSL_ERROR_WANT_X509_LOOKUP:
2024                                 BIO_printf(bio_c_out,"read X BLOCK\n");
2025                                 break;
2026                         case SSL_ERROR_SYSCALL:
2027                                 ret=get_last_socket_error();
2028                                 if (c_brief)
2029                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2030                                 else
2031                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2032                                 goto shut;
2033                         case SSL_ERROR_ZERO_RETURN:
2034                                 BIO_printf(bio_c_out,"closed\n");
2035                                 ret=0;
2036                                 goto shut;
2037                         case SSL_ERROR_SSL:
2038                                 ERR_print_errors(bio_err);
2039                                 goto shut;
2040                                 /* break; */
2041                                 }
2042                         }
2043
2044 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2045 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2046                 else if (_kbhit())
2047 #else
2048                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2049 #endif
2050 #elif defined (OPENSSL_SYS_NETWARE)
2051                 else if (_kbhit())
2052 #elif defined(OPENSSL_SYS_BEOS_R5)
2053                 else if (stdin_set)
2054 #else
2055                 else if (FD_ISSET(fileno(stdin),&readfds))
2056 #endif
2057                         {
2058                         if (crlf)
2059                                 {
2060                                 int j, lf_num;
2061
2062                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2063                                 lf_num = 0;
2064                                 /* both loops are skipped when i <= 0 */
2065                                 for (j = 0; j < i; j++)
2066                                         if (cbuf[j] == '\n')
2067                                                 lf_num++;
2068                                 for (j = i-1; j >= 0; j--)
2069                                         {
2070                                         cbuf[j+lf_num] = cbuf[j];
2071                                         if (cbuf[j] == '\n')
2072                                                 {
2073                                                 lf_num--;
2074                                                 i++;
2075                                                 cbuf[j+lf_num] = '\r';
2076                                                 }
2077                                         }
2078                                 assert(lf_num == 0);
2079                                 }
2080                         else
2081                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2082
2083                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2084                                 {
2085                                 BIO_printf(bio_err,"DONE\n");
2086                                 ret=0;
2087                                 goto shut;
2088                                 }
2089
2090                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2091                                 {
2092                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2093                                 SSL_renegotiate(con);
2094                                 cbuf_len=0;
2095                                 }
2096 #ifndef OPENSSL_NO_HEARTBEATS
2097                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2098                                 {
2099                                 BIO_printf(bio_err,"HEARTBEATING\n");
2100                                 SSL_heartbeat(con);
2101                                 cbuf_len=0;
2102                                 }
2103 #endif
2104                         else
2105                                 {
2106                                 cbuf_len=i;
2107                                 cbuf_off=0;
2108 #ifdef CHARSET_EBCDIC
2109                                 ebcdic2ascii(cbuf, cbuf, i);
2110 #endif
2111                                 }
2112
2113                         write_ssl=1;
2114                         read_tty=0;
2115                         }
2116                 }
2117
2118         ret=0;
2119 shut:
2120         if (in_init)
2121                 print_stuff(bio_c_out,con,full_log);
2122         SSL_shutdown(con);
2123         SHUTDOWN(SSL_get_fd(con));
2124 end:
2125         if (con != NULL)
2126                 {
2127                 if (prexit != 0)
2128                         print_stuff(bio_c_out,con,1);
2129                 SSL_free(con);
2130                 }
2131 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2132         if (next_proto.data)
2133                 OPENSSL_free(next_proto.data);
2134 #endif
2135         if (ctx != NULL) SSL_CTX_free(ctx);
2136         if (cert)
2137                 X509_free(cert);
2138         if (crls)
2139                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2140         if (key)
2141                 EVP_PKEY_free(key);
2142         if (chain)
2143                 sk_X509_pop_free(chain, X509_free);
2144         if (pass)
2145                 OPENSSL_free(pass);
2146         if (vpm)
2147                 X509_VERIFY_PARAM_free(vpm);
2148         ssl_excert_free(exc);
2149         if (ssl_args)
2150                 sk_OPENSSL_STRING_free(ssl_args);
2151         if (cctx)
2152                 SSL_CONF_CTX_free(cctx);
2153 #ifndef OPENSSL_NO_JPAKE
2154         if (jpake_secret && psk_key)
2155                 OPENSSL_free(psk_key);
2156 #endif
2157         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2158         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2159         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2160         if (bio_c_out != NULL)
2161                 {
2162                 BIO_free(bio_c_out);
2163                 bio_c_out=NULL;
2164                 }
2165         if (bio_c_msg != NULL)
2166                 {
2167                 BIO_free(bio_c_msg);
2168                 bio_c_msg=NULL;
2169                 }
2170         apps_shutdown();
2171         OPENSSL_EXIT(ret);
2172         }
2173
2174
2175 static void print_stuff(BIO *bio, SSL *s, int full)
2176         {
2177         X509 *peer=NULL;
2178         char *p;
2179         static const char *space="                ";
2180         char buf[BUFSIZ];
2181         STACK_OF(X509) *sk;
2182         STACK_OF(X509_NAME) *sk2;
2183         const SSL_CIPHER *c;
2184         X509_NAME *xn;
2185         int j,i;
2186 #ifndef OPENSSL_NO_COMP
2187         const COMP_METHOD *comp, *expansion;
2188 #endif
2189         unsigned char *exportedkeymat;
2190
2191         if (full)
2192                 {
2193                 int got_a_chain = 0;
2194
2195                 sk=SSL_get_peer_cert_chain(s);
2196                 if (sk != NULL)
2197                         {
2198                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2199
2200                         BIO_printf(bio,"---\nCertificate chain\n");
2201                         for (i=0; i<sk_X509_num(sk); i++)
2202                                 {
2203                                 X509_NAME_oneline(X509_get_subject_name(
2204                                         sk_X509_value(sk,i)),buf,sizeof buf);
2205                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2206                                 X509_NAME_oneline(X509_get_issuer_name(
2207                                         sk_X509_value(sk,i)),buf,sizeof buf);
2208                                 BIO_printf(bio,"   i:%s\n",buf);
2209                                 if (c_showcerts)
2210                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2211                                 }
2212                         }
2213
2214                 BIO_printf(bio,"---\n");
2215                 peer=SSL_get_peer_certificate(s);
2216                 if (peer != NULL)
2217                         {
2218                         BIO_printf(bio,"Server certificate\n");
2219                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2220                                 PEM_write_bio_X509(bio,peer);
2221                         X509_NAME_oneline(X509_get_subject_name(peer),
2222                                 buf,sizeof buf);
2223                         BIO_printf(bio,"subject=%s\n",buf);
2224                         X509_NAME_oneline(X509_get_issuer_name(peer),
2225                                 buf,sizeof buf);
2226                         BIO_printf(bio,"issuer=%s\n",buf);
2227                         }
2228                 else
2229                         BIO_printf(bio,"no peer certificate available\n");
2230
2231                 sk2=SSL_get_client_CA_list(s);
2232                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2233                         {
2234                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2235                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2236                                 {
2237                                 xn=sk_X509_NAME_value(sk2,i);
2238                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2239                                 BIO_write(bio,buf,strlen(buf));
2240                                 BIO_write(bio,"\n",1);
2241                                 }
2242                         }
2243                 else
2244                         {
2245                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2246                         }
2247                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2248                 if (p != NULL)
2249                         {
2250                         /* This works only for SSL 2.  In later protocol
2251                          * versions, the client does not know what other
2252                          * ciphers (in addition to the one to be used
2253                          * in the current connection) the server supports. */
2254
2255                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2256                         j=i=0;
2257                         while (*p)
2258                                 {
2259                                 if (*p == ':')
2260                                         {
2261                                         BIO_write(bio,space,15-j%25);
2262                                         i++;
2263                                         j=0;
2264                                         BIO_write(bio,((i%3)?" ":"\n"),1);
2265                                         }
2266                                 else
2267                                         {
2268                                         BIO_write(bio,p,1);
2269                                         j++;
2270                                         }
2271                                 p++;
2272                                 }
2273                         BIO_write(bio,"\n",1);
2274                         }
2275
2276                 ssl_print_sigalgs(bio, s);
2277                 ssl_print_tmp_key(bio, s);
2278
2279                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2280                         BIO_number_read(SSL_get_rbio(s)),
2281                         BIO_number_written(SSL_get_wbio(s)));
2282                 }
2283         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2284         c=SSL_get_current_cipher(s);
2285         BIO_printf(bio,"%s, Cipher is %s\n",
2286                 SSL_CIPHER_get_version(c),
2287                 SSL_CIPHER_get_name(c));
2288         if (peer != NULL) {
2289                 EVP_PKEY *pktmp;
2290                 pktmp = X509_get_pubkey(peer);
2291                 BIO_printf(bio,"Server public key is %d bit\n",
2292                                                          EVP_PKEY_bits(pktmp));
2293                 EVP_PKEY_free(pktmp);
2294         }
2295         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2296                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2297 #ifndef OPENSSL_NO_COMP
2298         comp=SSL_get_current_compression(s);
2299         expansion=SSL_get_current_expansion(s);
2300         BIO_printf(bio,"Compression: %s\n",
2301                 comp ? SSL_COMP_get_name(comp) : "NONE");
2302         BIO_printf(bio,"Expansion: %s\n",
2303                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2304 #endif
2305
2306 #ifdef SSL_DEBUG
2307         {
2308         /* Print out local port of connection: useful for debugging */
2309         int sock;
2310         struct sockaddr_in ladd;
2311         socklen_t ladd_size = sizeof(ladd);
2312         sock = SSL_get_fd(s);
2313         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2314         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2315         }
2316 #endif
2317
2318 #if !defined(OPENSSL_NO_TLSEXT)
2319 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2320         if (next_proto.status != -1) {
2321                 const unsigned char *proto;
2322                 unsigned int proto_len;
2323                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2324                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2325                 BIO_write(bio, proto, proto_len);
2326                 BIO_write(bio, "\n", 1);
2327         }
2328 # endif
2329         {
2330                 const unsigned char *proto;
2331                 unsigned int proto_len;
2332                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2333                 if (proto_len > 0)
2334                         {
2335                         BIO_printf(bio, "ALPN protocol: ");
2336                         BIO_write(bio, proto, proto_len);
2337                         BIO_write(bio, "\n", 1);
2338                         }
2339                 else
2340                         BIO_printf(bio, "No ALPN negotiated\n");
2341         }
2342 #endif
2343
2344 #ifndef OPENSSL_NO_SRTP
2345         {
2346         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2347
2348         if(srtp_profile)
2349                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2350                            srtp_profile->name);
2351         }
2352 #endif
2353
2354         SSL_SESSION_print(bio,SSL_get_session(s));
2355         if (keymatexportlabel != NULL)
2356                 {
2357                 BIO_printf(bio, "Keying material exporter:\n");
2358                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2359                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2360                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2361                 if (exportedkeymat != NULL)
2362                         {
2363                         if (!SSL_export_keying_material(s, exportedkeymat,
2364                                                         keymatexportlen,
2365                                                         keymatexportlabel,
2366                                                         strlen(keymatexportlabel),
2367                                                         NULL, 0, 0))
2368                                 {
2369                                 BIO_printf(bio, "    Error\n");
2370                                 }
2371                         else
2372                                 {
2373                                 BIO_printf(bio, "    Keying material: ");
2374                                 for (i=0; i<keymatexportlen; i++)
2375                                         BIO_printf(bio, "%02X",
2376                                                    exportedkeymat[i]);
2377                                 BIO_printf(bio, "\n");
2378                                 }
2379                         OPENSSL_free(exportedkeymat);
2380                         }
2381                 }
2382         BIO_printf(bio,"---\n");
2383         if (peer != NULL)
2384                 X509_free(peer);
2385         /* flush, or debugging output gets mixed with http response */
2386         (void)BIO_flush(bio);
2387         }
2388
2389 #ifndef OPENSSL_NO_TLSEXT
2390
2391 static int ocsp_resp_cb(SSL *s, void *arg)
2392         {
2393         const unsigned char *p;
2394         int len;
2395         OCSP_RESPONSE *rsp;
2396         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2397         BIO_puts(arg, "OCSP response: ");
2398         if (!p)
2399                 {
2400                 BIO_puts(arg, "no response sent\n");
2401                 return 1;
2402                 }
2403         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2404         if (!rsp)
2405                 {
2406                 BIO_puts(arg, "response parse error\n");
2407                 BIO_dump_indent(arg, (char *)p, len, 4);
2408                 return 0;
2409                 }
2410         BIO_puts(arg, "\n======================================\n");
2411         OCSP_RESPONSE_print(arg, rsp, 0);
2412         BIO_puts(arg, "======================================\n");
2413         OCSP_RESPONSE_free(rsp);
2414         return 1;
2415         }
2416
2417 #endif