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 - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 294         BIO_printf(bio_err," -unix path    - connect over unix domain sockets\n");
 295         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 296         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 297         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 298         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 299         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 300         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 301         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 302         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 303         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 304         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 305         BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
 306         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 307         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 308         BIO_printf(bio_err," -prexit       - print session information even on connection failure\n");
 309         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 310         BIO_printf(bio_err," -debug        - extra output\n");
 311 #ifdef WATT32
 312         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 313 #endif
 314         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 315         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 316         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 317 #ifdef FIONBIO
 318         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 319 #endif
 320         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 321         BIO_printf(bio_err," -quiet        - no s_client output\n");
 322         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 323         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 324 #ifndef OPENSSL_NO_PSK
 325         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 326         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 327 # ifndef OPENSSL_NO_JPAKE
 328         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 329 # endif
 330 #endif
 331 #ifndef OPENSSL_NO_SRP
 332         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 333         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 334         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 335         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 336         BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
 337 #endif
 338         BIO_printf(bio_err," -ssl2         - just use SSLv2\n");
 339 #ifndef OPENSSL_NO_SSL3_METHOD
 340         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 341 #endif
 342         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 343         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 344         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 345         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 346         BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
 347         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 348         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n");
 349         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 350         BIO_printf(bio_err," -serverpref   - Use server's cipher preferences (only SSLv2)\n");
 351         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 352         BIO_printf(bio_err,"                 command to see what is available\n");
 353         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 354         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 355         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 356         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 357         BIO_printf(bio_err,"                 are supported.\n");
 358         BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
 359 #ifndef OPENSSL_NO_ENGINE
 360         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 361 #endif
 362         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 363         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 364         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 365 #ifndef OPENSSL_NO_TLSEXT
 366         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 367         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 368         BIO_printf(bio_err," -status           - request certificate status from server\n");
 369         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 370         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 371 # ifndef OPENSSL_NO_NEXTPROTONEG
 372         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 373 # endif
 374         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 375 #endif
 376         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 377         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 378         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 379         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 380         }
 381
 382 #ifndef OPENSSL_NO_TLSEXT
 383
 384 /* This is a context that we pass to callbacks */
 385 typedef struct tlsextctx_st {
 386    BIO * biodebug;
 387    int ack;
 388 } tlsextctx;
 389
 390
 391 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 392         {
 393         tlsextctx * p = (tlsextctx *) arg;
 394         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 395         if (SSL_get_servername_type(s) != -1)
 396                 p->ack = !SSL_session_reused(s) && hn != NULL;
 397         else
 398                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 399
 400         return SSL_TLSEXT_ERR_OK;
 401         }
 402
 403 #ifndef OPENSSL_NO_SRP
 404
 405 /* This is a context that we pass to all callbacks */
 406 typedef struct srp_arg_st
 407         {
 408         char *srppassin;
 409         char *srplogin;
 410         int msg;   /* copy from c_msg */
 411         int debug; /* copy from c_debug */
 412         int amp;   /* allow more groups */
 413         int strength /* minimal size for N */ ;
 414         } SRP_ARG;
 415
 416 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 417
 418 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
 419         {
 420         BN_CTX *bn_ctx = BN_CTX_new();
 421         BIGNUM *p = BN_new();
 422         BIGNUM *r = BN_new();
 423         int ret =
 424                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 425                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 426                 p != NULL && BN_rshift1(p, N) &&
 427
 428                 /* p = (N-1)/2 */
 429                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 430                 r != NULL &&
 431
 432                 /* verify g^((N-1)/2) == -1 (mod N) */
 433                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 434                 BN_add_word(r, 1) &&
 435                 BN_cmp(r, N) == 0;
 436
 437         if(r)
 438                 BN_free(r);
 439         if(p)
 440                 BN_free(p);
 441         if(bn_ctx)
 442                 BN_CTX_free(bn_ctx);
 443         return ret;
 444         }
 445
 446 /* This callback is used here for two purposes:
 447    - extended debugging
 448    - making some primality tests for unknown groups
 449    The callback is only called for a non default group.
 450
 451    An application does not need the call back at all if
 452    only the stanard groups are used.  In real life situations,
 453    client and server already share well known groups,
 454    thus there is no need to verify them.
 455    Furthermore, in case that a server actually proposes a group that
 456    is not one of those defined in RFC 5054, it is more appropriate
 457    to add the group to a static list and then compare since
 458    primality tests are rather cpu consuming.
 459 */
 460
 461 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 462         {
 463         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 464         BIGNUM *N = NULL, *g = NULL;
 465         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 466                 return 0;
 467         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 468                 {
 469                 BIO_printf(bio_err, "SRP parameters:\n");
 470                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 471                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 472                 BIO_printf(bio_err,"\n");
 473                 }
 474
 475         if (SRP_check_known_gN_param(g,N))
 476                 return 1;
 477
 478         if (srp_arg->amp == 1)
 479                 {
 480                 if (srp_arg->debug)
 481                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 482
 483 /* The srp_moregroups is a real debugging feature.
 484    Implementors should rather add the value to the known ones.
 485    The minimal size has already been tested.
 486 */
 487                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 488                         return 1;
 489                 }
 490         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 491         return 0;
 492         }
 493
 494 #define PWD_STRLEN 1024
 495
 496 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 497         {
 498         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 499         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 500         PW_CB_DATA cb_tmp;
 501         int l;
 502
 503         cb_tmp.password = (char *)srp_arg->srppassin;
 504         cb_tmp.prompt_info = "SRP user";
 505         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 506                 {
 507                 BIO_printf (bio_err, "Can't read Password\n");
 508                 OPENSSL_free(pass);
 509                 return NULL;
 510                 }
 511         *(pass+l)= '\0';
 512
 513         return pass;
 514         }
 515
 516 #endif
 517         char *srtp_profiles = NULL;
 518
 519 # ifndef OPENSSL_NO_NEXTPROTONEG
 520 /* This the context that we pass to next_proto_cb */
 521 typedef struct tlsextnextprotoctx_st {
 522         unsigned char *data;
 523         unsigned short len;
 524         int status;
 525 } tlsextnextprotoctx;
 526
 527 static tlsextnextprotoctx next_proto;
 528
 529 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 530         {
 531         tlsextnextprotoctx *ctx = arg;
 532
 533         if (!c_quiet)
 534                 {
 535                 /* We can assume that |in| is syntactically valid. */
 536                 unsigned i;
 537                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 538                 for (i = 0; i < inlen; )
 539                         {
 540                         if (i)
 541                                 BIO_write(bio_c_out, ", ", 2);
 542                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 543                         i += in[i] + 1;
 544                         }
 545                 BIO_write(bio_c_out, "\n", 1);
 546                 }
 547
 548         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 549         return SSL_TLSEXT_ERR_OK;
 550         }
 551 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 552
 553 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
 554                                    const unsigned char* in, size_t inlen,
 555                                    int* al, void* arg)
 556         {
 557         char pem_name[100];
 558         unsigned char ext_buf[4 + 65536];
 559
 560         /* Reconstruct the type/len fields prior to extension data */
 561         ext_buf[0] = ext_type >> 8;
 562         ext_buf[1] = ext_type & 0xFF;
 563         ext_buf[2] = inlen >> 8;
 564         ext_buf[3] = inlen & 0xFF;
 565         memcpy(ext_buf+4, in, inlen);
 566
 567         BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
 568                      ext_type);
 569         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 570         return 1;
 571         }
 572
 573 #endif
 574
 575 enum
 576 {
 577         PROTO_OFF       = 0,
 578         PROTO_SMTP,
 579         PROTO_POP3,
 580         PROTO_IMAP,
 581         PROTO_FTP,
 582         PROTO_XMPP
 583 };
 584
 585 int MAIN(int, char **);
 586
 587 int MAIN(int argc, char **argv)
 588         {
 589         int build_chain = 0;
 590         SSL *con=NULL;
 591 #ifndef OPENSSL_NO_KRB5
 592         KSSL_CTX *kctx;
 593 #endif
 594         int s,k,width,state=0;
 595         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 596         int cbuf_len,cbuf_off;
 597         int sbuf_len,sbuf_off;
 598         fd_set readfds,writefds;
 599         short port=PORT;
 600         int full_log=1;
 601         char *host=SSL_HOST_NAME;
 602         const char *unix_path = NULL;
 603         char *xmpphost = NULL;
 604         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 605         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 606         char *passarg = NULL, *pass = NULL;
 607         X509 *cert = NULL;
 608         EVP_PKEY *key = NULL;
 609         STACK_OF(X509) *chain = NULL;
 610         char *CApath=NULL,*CAfile=NULL;
 611         char *chCApath=NULL,*chCAfile=NULL;
 612         char *vfyCApath=NULL,*vfyCAfile=NULL;
 613         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 614         int crlf=0;
 615         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 616         SSL_CTX *ctx=NULL;
 617         int ret=1,in_init=1,i,nbio_test=0;
 618         int starttls_proto = PROTO_OFF;
 619         int prexit = 0;
 620         X509_VERIFY_PARAM *vpm = NULL;
 621         int badarg = 0;
 622         const SSL_METHOD *meth=NULL;
 623         int socket_type=SOCK_STREAM;
 624         BIO *sbio;
 625         char *inrand=NULL;
 626         int mbuf_len=0;
 627         struct timeval timeout, *timeoutp;
 628 #ifndef OPENSSL_NO_ENGINE
 629         char *engine_id=NULL;
 630         char *ssl_client_engine_id=NULL;
 631         ENGINE *ssl_client_engine=NULL;
 632 #endif
 633         ENGINE *e=NULL;
 634 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 635         struct timeval tv;
 636 #if defined(OPENSSL_SYS_BEOS_R5)
 637         int stdin_set = 0;
 638 #endif
 639 #endif
 640 #ifndef OPENSSL_NO_TLSEXT
 641         char *servername = NULL;
 642         tlsextctx tlsextcbp =
 643         {NULL,0};
 644 # ifndef OPENSSL_NO_NEXTPROTONEG
 645         const char *next_proto_neg_in = NULL;
 646 # endif
 647         const char *alpn_in = NULL;
 648 # define MAX_SI_TYPES 100
 649         unsigned short serverinfo_types[MAX_SI_TYPES];
 650         int serverinfo_types_count = 0;
 651 #endif
 652         char *sess_in = NULL;
 653         char *sess_out = NULL;
 654         struct sockaddr peer;
 655         int peerlen = sizeof(peer);
 656         int fallback_scsv = 0;
 657         int enable_timeouts = 0 ;
 658         long socket_mtu = 0;
 659 #ifndef OPENSSL_NO_JPAKE
 660 static char *jpake_secret = NULL;
 661 #define no_jpake !jpake_secret
 662 #else
 663 #define no_jpake 1
 664 #endif
 665 #ifndef OPENSSL_NO_SRP
 666         char * srppass = NULL;
 667         int srp_lateuser = 0;
 668         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 669 #endif
 670         SSL_EXCERT *exc = NULL;
 671
 672         SSL_CONF_CTX *cctx = NULL;
 673         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 674
 675         char *crl_file = NULL;
 676         int crl_format = FORMAT_PEM;
 677         int crl_download = 0;
 678         STACK_OF(X509_CRL) *crls = NULL;
 679         int sdebug = 0;
 680
 681         meth=SSLv23_client_method();
 682
 683         apps_startup();
 684         c_Pause=0;
 685         c_quiet=0;
 686         c_ign_eof=0;
 687         c_debug=0;
 688         c_msg=0;
 689         c_showcerts=0;
 690
 691         if (bio_err == NULL)
 692                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 693
 694         if (!load_config(bio_err, NULL))
 695                 goto end;
 696         cctx = SSL_CONF_CTX_new();
 697         if (!cctx)
 698                 goto end;
 699         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 700         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 701
 702         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 703                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 704                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 705                 {
 706                 BIO_printf(bio_err,"out of memory\n");
 707                 goto end;
 708                 }
 709
 710         verify_depth=0;
 711         verify_error=X509_V_OK;
 712 #ifdef FIONBIO
 713         c_nbio=0;
 714 #endif
 715
 716         argc--;
 717         argv++;
 718         while (argc >= 1)
 719                 {
 720                 if      (strcmp(*argv,"-host") == 0)
 721                         {
 722                         if (--argc < 1) goto bad;
 723                         host= *(++argv);
 724                         }
 725                 else if (strcmp(*argv,"-port") == 0)
 726                         {
 727                         if (--argc < 1) goto bad;
 728                         port=atoi(*(++argv));
 729                         if (port == 0) goto bad;
 730                         }
 731                 else if (strcmp(*argv,"-connect") == 0)
 732                         {
 733                         if (--argc < 1) goto bad;
 734                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 735                                 goto bad;
 736                         }
 737                 else if (strcmp(*argv,"-unix") == 0)
 738                         {
 739                         if (--argc < 1) goto bad;
 740                         unix_path = *(++argv);
 741                         }
 742                 else if (strcmp(*argv,"-xmpphost") == 0)
 743                         {
 744                         if (--argc < 1) goto bad;
 745                         xmpphost= *(++argv);
 746                         }
 747                 else if (strcmp(*argv,"-verify") == 0)
 748                         {
 749                         verify=SSL_VERIFY_PEER;
 750                         if (--argc < 1) goto bad;
 751                         verify_depth=atoi(*(++argv));
 752                         if (!c_quiet)
 753                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 754                         }
 755                 else if (strcmp(*argv,"-cert") == 0)
 756                         {
 757                         if (--argc < 1) goto bad;
 758                         cert_file= *(++argv);
 759                         }
 760                 else if (strcmp(*argv,"-CRL") == 0)
 761                         {
 762                         if (--argc < 1) goto bad;
 763                         crl_file= *(++argv);
 764                         }
 765                 else if (strcmp(*argv,"-crl_download") == 0)
 766                         crl_download = 1;
 767                 else if (strcmp(*argv,"-sess_out") == 0)
 768                         {
 769                         if (--argc < 1) goto bad;
 770                         sess_out = *(++argv);
 771                         }
 772                 else if (strcmp(*argv,"-sess_in") == 0)
 773                         {
 774                         if (--argc < 1) goto bad;
 775                         sess_in = *(++argv);
 776                         }
 777                 else if (strcmp(*argv,"-certform") == 0)
 778                         {
 779                         if (--argc < 1) goto bad;
 780                         cert_format = str2fmt(*(++argv));
 781                         }
 782                 else if (strcmp(*argv,"-CRLform") == 0)
 783                         {
 784                         if (--argc < 1) goto bad;
 785                         crl_format = str2fmt(*(++argv));
 786                         }
 787                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 788                         {
 789                         if (badarg)
 790                                 goto bad;
 791                         continue;
 792                         }
 793                 else if (strcmp(*argv,"-verify_return_error") == 0)
 794                         verify_return_error = 1;
 795                 else if (strcmp(*argv,"-verify_quiet") == 0)
 796                         verify_quiet = 1;
 797                 else if (strcmp(*argv,"-brief") == 0)
 798                         {
 799                         c_brief = 1;
 800                         verify_quiet = 1;
 801                         c_quiet = 1;
 802                         }
 803                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 804                         {
 805                         if (badarg)
 806                                 goto bad;
 807                         continue;
 808                         }
 809                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 810                         {
 811                         if (badarg)
 812                                 goto bad;
 813                         continue;
 814                         }
 815                 else if (strcmp(*argv,"-prexit") == 0)
 816                         prexit=1;
 817                 else if (strcmp(*argv,"-crlf") == 0)
 818                         crlf=1;
 819                 else if (strcmp(*argv,"-quiet") == 0)
 820                         {
 821                         c_quiet=1;
 822                         c_ign_eof=1;
 823                         }
 824                 else if (strcmp(*argv,"-ign_eof") == 0)
 825                         c_ign_eof=1;
 826                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 827                         c_ign_eof=0;
 828                 else if (strcmp(*argv,"-pause") == 0)
 829                         c_Pause=1;
 830                 else if (strcmp(*argv,"-debug") == 0)
 831                         c_debug=1;
 832 #ifndef OPENSSL_NO_TLSEXT
 833                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 834                         c_tlsextdebug=1;
 835                 else if (strcmp(*argv,"-status") == 0)
 836                         c_status_req=1;
 837 #endif
 838 #ifdef WATT32
 839                 else if (strcmp(*argv,"-wdebug") == 0)
 840                         dbug_init();
 841 #endif
 842                 else if (strcmp(*argv,"-msg") == 0)
 843                         c_msg=1;
 844                 else if (strcmp(*argv,"-msgfile") == 0)
 845                         {
 846                         if (--argc < 1) goto bad;
 847                         bio_c_msg = BIO_new_file(*(++argv), "w");
 848                         }
 849 #ifndef OPENSSL_NO_SSL_TRACE
 850                 else if (strcmp(*argv,"-trace") == 0)
 851                         c_msg=2;
 852 #endif
 853                 else if (strcmp(*argv,"-security_debug") == 0)
 854                         { sdebug=1; }
 855                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
 856                         { sdebug=2; }
 857                 else if (strcmp(*argv,"-showcerts") == 0)
 858                         c_showcerts=1;
 859                 else if (strcmp(*argv,"-nbio_test") == 0)
 860                         nbio_test=1;
 861                 else if (strcmp(*argv,"-state") == 0)
 862                         state=1;
 863 #ifndef OPENSSL_NO_PSK
 864                 else if (strcmp(*argv,"-psk_identity") == 0)
 865                         {
 866                         if (--argc < 1) goto bad;
 867                         psk_identity=*(++argv);
 868                         }
 869                 else if (strcmp(*argv,"-psk") == 0)
 870                         {
 871                         size_t j;
 872
 873                         if (--argc < 1) goto bad;
 874                         psk_key=*(++argv);
 875                         for (j = 0; j < strlen(psk_key); j++)
 876                                 {
 877                                 if (isxdigit((unsigned char)psk_key[j]))
 878                                         continue;
 879                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 880                                 goto bad;
 881                                 }
 882                         }
 883 #endif
 884 #ifndef OPENSSL_NO_SRP
 885                 else if (strcmp(*argv,"-srpuser") == 0)
 886                         {
 887                         if (--argc < 1) goto bad;
 888                         srp_arg.srplogin= *(++argv);
 889                         meth=TLSv1_client_method();
 890                         }
 891                 else if (strcmp(*argv,"-srppass") == 0)
 892                         {
 893                         if (--argc < 1) goto bad;
 894                         srppass= *(++argv);
 895                         meth=TLSv1_client_method();
 896                         }
 897                 else if (strcmp(*argv,"-srp_strength") == 0)
 898                         {
 899                         if (--argc < 1) goto bad;
 900                         srp_arg.strength=atoi(*(++argv));
 901                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 902                         meth=TLSv1_client_method();
 903                         }
 904                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 905                         {
 906                         srp_lateuser= 1;
 907                         meth=TLSv1_client_method();
 908                         }
 909                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 910                         {
 911                         srp_arg.amp=1;
 912                         meth=TLSv1_client_method();
 913                         }
 914 #endif
 915 #ifndef OPENSSL_NO_SSL2
 916                 else if (strcmp(*argv,"-ssl2") == 0)
 917                         meth=SSLv2_client_method();
 918 #endif
 919 #ifndef OPENSSL_NO_SSL3_METHOD
 920                 else if (strcmp(*argv,"-ssl3") == 0)
 921                         meth=SSLv3_client_method();
 922 #endif
 923 #ifndef OPENSSL_NO_TLS1
 924                 else if (strcmp(*argv,"-tls1_2") == 0)
 925                         meth=TLSv1_2_client_method();
 926                 else if (strcmp(*argv,"-tls1_1") == 0)
 927                         meth=TLSv1_1_client_method();
 928                 else if (strcmp(*argv,"-tls1") == 0)
 929                         meth=TLSv1_client_method();
 930 #endif
 931 #ifndef OPENSSL_NO_DTLS1
 932                 else if (strcmp(*argv,"-dtls") == 0)
 933                         {
 934                         meth=DTLS_client_method();
 935                         socket_type=SOCK_DGRAM;
 936                         }
 937                 else if (strcmp(*argv,"-dtls1") == 0)
 938                         {
 939                         meth=DTLSv1_client_method();
 940                         socket_type=SOCK_DGRAM;
 941                         }
 942                 else if (strcmp(*argv,"-dtls1_2") == 0)
 943                         {
 944                         meth=DTLSv1_2_client_method();
 945                         socket_type=SOCK_DGRAM;
 946                         }
 947                 else if (strcmp(*argv,"-timeout") == 0)
 948                         enable_timeouts=1;
 949                 else if (strcmp(*argv,"-mtu") == 0)
 950                         {
 951                         if (--argc < 1) goto bad;
 952                         socket_mtu = atol(*(++argv));
 953                         }
 954 #endif
 955                 else if (strcmp(*argv,"-fallback_scsv") == 0)
 956                         {
 957                         fallback_scsv = 1;
 958                         }
 959                 else if (strcmp(*argv,"-keyform") == 0)
 960                         {
 961                         if (--argc < 1) goto bad;
 962                         key_format = str2fmt(*(++argv));
 963                         }
 964                 else if (strcmp(*argv,"-pass") == 0)
 965                         {
 966                         if (--argc < 1) goto bad;
 967                         passarg = *(++argv);
 968                         }
 969                 else if (strcmp(*argv,"-cert_chain") == 0)
 970                         {
 971                         if (--argc < 1) goto bad;
 972                         chain_file= *(++argv);
 973                         }
 974                 else if (strcmp(*argv,"-key") == 0)
 975                         {
 976                         if (--argc < 1) goto bad;
 977                         key_file= *(++argv);
 978                         }
 979                 else if (strcmp(*argv,"-reconnect") == 0)
 980                         {
 981                         reconnect=5;
 982                         }
 983                 else if (strcmp(*argv,"-CApath") == 0)
 984                         {
 985                         if (--argc < 1) goto bad;
 986                         CApath= *(++argv);
 987                         }
 988                 else if (strcmp(*argv,"-chainCApath") == 0)
 989                         {
 990                         if (--argc < 1) goto bad;
 991                         chCApath= *(++argv);
 992                         }
 993                 else if (strcmp(*argv,"-verifyCApath") == 0)
 994                         {
 995                         if (--argc < 1) goto bad;
 996                         vfyCApath= *(++argv);
 997                         }
 998                 else if (strcmp(*argv,"-build_chain") == 0)
 999                         build_chain = 1;
1000                 else if (strcmp(*argv,"-CAfile") == 0)
1001                         {
1002                         if (--argc < 1) goto bad;
1003                         CAfile= *(++argv);
1004                         }
1005                 else if (strcmp(*argv,"-chainCAfile") == 0)
1006                         {
1007                         if (--argc < 1) goto bad;
1008                         chCAfile= *(++argv);
1009                         }
1010                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1011                         {
1012                         if (--argc < 1) goto bad;
1013                         vfyCAfile= *(++argv);
1014                         }
1015 #ifndef OPENSSL_NO_TLSEXT
1016 # ifndef OPENSSL_NO_NEXTPROTONEG
1017                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1018                         {
1019                         if (--argc < 1) goto bad;
1020                         next_proto_neg_in = *(++argv);
1021                         }
1022 # endif
1023                 else if (strcmp(*argv,"-alpn") == 0)
1024                         {
1025                         if (--argc < 1) goto bad;
1026                         alpn_in = *(++argv);
1027                         }
1028                 else if (strcmp(*argv,"-serverinfo") == 0)
1029                         {
1030                         char *c;
1031                         int start = 0;
1032                         int len;
1033
1034                         if (--argc < 1) goto bad;
1035                         c = *(++argv);
1036                         serverinfo_types_count = 0;
1037                         len = strlen(c);
1038                         for (i = 0; i <= len; ++i)
1039                                 {
1040                                 if (i == len || c[i] == ',')
1041                                         {
1042                                         serverinfo_types[serverinfo_types_count]
1043                                             = atoi(c+start);
1044                                         serverinfo_types_count++;
1045                                         start = i+1;
1046                                         }
1047                                 if (serverinfo_types_count == MAX_SI_TYPES)
1048                                         break;
1049                                 }
1050                         }
1051 #endif
1052 #ifdef FIONBIO
1053                 else if (strcmp(*argv,"-nbio") == 0)
1054                         { c_nbio=1; }
1055 #endif
1056                 else if (strcmp(*argv,"-starttls") == 0)
1057                         {
1058                         if (--argc < 1) goto bad;
1059                         ++argv;
1060                         if (strcmp(*argv,"smtp") == 0)
1061                                 starttls_proto = PROTO_SMTP;
1062                         else if (strcmp(*argv,"pop3") == 0)
1063                                 starttls_proto = PROTO_POP3;
1064                         else if (strcmp(*argv,"imap") == 0)
1065                                 starttls_proto = PROTO_IMAP;
1066                         else if (strcmp(*argv,"ftp") == 0)
1067                                 starttls_proto = PROTO_FTP;
1068                         else if (strcmp(*argv, "xmpp") == 0)
1069                                 starttls_proto = PROTO_XMPP;
1070                         else
1071                                 goto bad;
1072                         }
1073 #ifndef OPENSSL_NO_ENGINE
1074                 else if (strcmp(*argv,"-engine") == 0)
1075                         {
1076                         if (--argc < 1) goto bad;
1077                         engine_id = *(++argv);
1078                         }
1079                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         ssl_client_engine_id = *(++argv);
1083                         }
1084 #endif
1085                 else if (strcmp(*argv,"-rand") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         inrand= *(++argv);
1089                         }
1090 #ifndef OPENSSL_NO_TLSEXT
1091                 else if (strcmp(*argv,"-servername") == 0)
1092                         {
1093                         if (--argc < 1) goto bad;
1094                         servername= *(++argv);
1095                         /* meth=TLSv1_client_method(); */
1096                         }
1097 #endif
1098 #ifndef OPENSSL_NO_JPAKE
1099                 else if (strcmp(*argv,"-jpake") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         jpake_secret = *++argv;
1103                         }
1104 #endif
1105                 else if (strcmp(*argv,"-use_srtp") == 0)
1106                         {
1107                         if (--argc < 1) goto bad;
1108                         srtp_profiles = *(++argv);
1109                         }
1110                 else if (strcmp(*argv,"-keymatexport") == 0)
1111                         {
1112                         if (--argc < 1) goto bad;
1113                         keymatexportlabel= *(++argv);
1114                         }
1115                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1116                         {
1117                         if (--argc < 1) goto bad;
1118                         keymatexportlen=atoi(*(++argv));
1119                         if (keymatexportlen == 0) goto bad;
1120                         }
1121                 else
1122                         {
1123                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1124                         badop=1;
1125                         break;
1126                         }
1127                 argc--;
1128                 argv++;
1129                 }
1130         if (badop)
1131                 {
1132 bad:
1133                 sc_usage();
1134                 goto end;
1135                 }
1136
1137         if (unix_path && (socket_type != SOCK_STREAM))
1138                 {
1139                 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1140                         goto end;
1141                 }
1142 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1143         if (jpake_secret)
1144                 {
1145                 if (psk_key)
1146                         {
1147                         BIO_printf(bio_err,
1148                                    "Can't use JPAKE and PSK together\n");
1149                         goto end;
1150                         }
1151                 psk_identity = "JPAKE";
1152                 }
1153 #endif
1154
1155         OpenSSL_add_ssl_algorithms();
1156         SSL_load_error_strings();
1157
1158 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1159         next_proto.status = -1;
1160         if (next_proto_neg_in)
1161                 {
1162                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1163                 if (next_proto.data == NULL)
1164                         {
1165                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1166                         goto end;
1167                         }
1168                 }
1169         else
1170                 next_proto.data = NULL;
1171 #endif
1172
1173 #ifndef OPENSSL_NO_ENGINE
1174         e = setup_engine(bio_err, engine_id, 1);
1175         if (ssl_client_engine_id)
1176                 {
1177                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1178                 if (!ssl_client_engine)
1179                         {
1180                         BIO_printf(bio_err,
1181                                         "Error getting client auth engine\n");
1182                         goto end;
1183                         }
1184                 }
1185
1186 #endif
1187         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1188                 {
1189                 BIO_printf(bio_err, "Error getting password\n");
1190                 goto end;
1191                 }
1192
1193         if (key_file == NULL)
1194                 key_file = cert_file;
1195
1196
1197         if (key_file)
1198
1199                 {
1200
1201                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1202                                "client certificate private key file");
1203                 if (!key)
1204                         {
1205                         ERR_print_errors(bio_err);
1206                         goto end;
1207                         }
1208
1209                 }
1210
1211         if (cert_file)
1212
1213                 {
1214                 cert = load_cert(bio_err,cert_file,cert_format,
1215                                 NULL, e, "client certificate file");
1216
1217                 if (!cert)
1218                         {
1219                         ERR_print_errors(bio_err);
1220                         goto end;
1221                         }
1222                 }
1223
1224         if (chain_file)
1225                 {
1226                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1227                                         NULL, e, "client certificate chain");
1228                 if (!chain)
1229                         goto end;
1230                 }
1231
1232         if (crl_file)
1233                 {
1234                 X509_CRL *crl;
1235                 crl = load_crl(crl_file, crl_format);
1236                 if (!crl)
1237                         {
1238                         BIO_puts(bio_err, "Error loading CRL\n");
1239                         ERR_print_errors(bio_err);
1240                         goto end;
1241                         }
1242                 crls = sk_X509_CRL_new_null();
1243                 if (!crls || !sk_X509_CRL_push(crls, crl))
1244                         {
1245                         BIO_puts(bio_err, "Error adding CRL\n");
1246                         ERR_print_errors(bio_err);
1247                         X509_CRL_free(crl);
1248                         goto end;
1249                         }
1250                 }
1251
1252         if (!load_excert(&exc, bio_err))
1253                 goto end;
1254
1255         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1256                 && !RAND_status())
1257                 {
1258                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1259                 }
1260         if (inrand != NULL)
1261                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1262                         app_RAND_load_files(inrand));
1263
1264         if (bio_c_out == NULL)
1265                 {
1266                 if (c_quiet && !c_debug)
1267                         {
1268                         bio_c_out=BIO_new(BIO_s_null());
1269                         if (c_msg && !bio_c_msg)
1270                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1271                         }
1272                 else
1273                         {
1274                         if (bio_c_out == NULL)
1275                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1276                         }
1277                 }
1278
1279 #ifndef OPENSSL_NO_SRP
1280         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1281                 {
1282                 BIO_printf(bio_err, "Error getting password\n");
1283                 goto end;
1284                 }
1285 #endif
1286
1287         ctx=SSL_CTX_new(meth);
1288         if (ctx == NULL)
1289                 {
1290                 ERR_print_errors(bio_err);
1291                 goto end;
1292                 }
1293
1294         if (sdebug)
1295                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1296
1297         if (vpm)
1298                 SSL_CTX_set1_param(ctx, vpm);
1299
1300         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1301                 {
1302                 ERR_print_errors(bio_err);
1303                 goto end;
1304                 }
1305
1306         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1307                                                 crls, crl_download))
1308                 {
1309                 BIO_printf(bio_err, "Error loading store locations\n");
1310                 ERR_print_errors(bio_err);
1311                 goto end;
1312                 }
1313
1314 #ifndef OPENSSL_NO_ENGINE
1315         if (ssl_client_engine)
1316                 {
1317                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1318                         {
1319                         BIO_puts(bio_err, "Error setting client auth engine\n");
1320                         ERR_print_errors(bio_err);
1321                         ENGINE_free(ssl_client_engine);
1322                         goto end;
1323                         }
1324                 ENGINE_free(ssl_client_engine);
1325                 }
1326 #endif
1327
1328 #ifndef OPENSSL_NO_PSK
1329 #ifdef OPENSSL_NO_JPAKE
1330         if (psk_key != NULL)
1331 #else
1332         if (psk_key != NULL || jpake_secret)
1333 #endif
1334                 {
1335                 if (c_debug)
1336                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1337                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1338                 }
1339         if (srtp_profiles != NULL)
1340                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1341 #endif
1342         if (exc) ssl_ctx_set_excert(ctx, exc);
1343         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1344          * Setting read ahead solves this problem.
1345          */
1346         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1347
1348 #if !defined(OPENSSL_NO_TLSEXT)
1349 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1350         if (next_proto.data)
1351                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1352 # endif
1353         if (alpn_in)
1354                 {
1355                 unsigned short alpn_len;
1356                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1357
1358                 if (alpn == NULL)
1359                         {
1360                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1361                         goto end;
1362                         }
1363                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1364                 OPENSSL_free(alpn);
1365                 }
1366 #endif
1367 #ifndef OPENSSL_NO_TLSEXT
1368                 for (i = 0; i < serverinfo_types_count; i++)
1369                         {
1370                         SSL_CTX_add_client_custom_ext(ctx,
1371                                                       serverinfo_types[i],
1372                                                       NULL, NULL, NULL,
1373                                                       serverinfo_cli_parse_cb,
1374                                                       NULL);
1375                         }
1376 #endif
1377
1378         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1379 #if 0
1380         else
1381                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1382 #endif
1383
1384         SSL_CTX_set_verify(ctx,verify,verify_callback);
1385
1386         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1387                 (!SSL_CTX_set_default_verify_paths(ctx)))
1388                 {
1389                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1390                 ERR_print_errors(bio_err);
1391                 /* goto end; */
1392                 }
1393
1394         ssl_ctx_add_crls(ctx, crls, crl_download);
1395
1396         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1397                 goto end;
1398
1399 #ifndef OPENSSL_NO_TLSEXT
1400         if (servername != NULL)
1401                 {
1402                 tlsextcbp.biodebug = bio_err;
1403                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1404                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1405                 }
1406 #ifndef OPENSSL_NO_SRP
1407         if (srp_arg.srplogin)
1408                 {
1409                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1410                         {
1411                         BIO_printf(bio_err,"Unable to set SRP username\n");
1412                         goto end;
1413                         }
1414                 srp_arg.msg = c_msg;
1415                 srp_arg.debug = c_debug ;
1416                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1417                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1418                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1419                 if (c_msg || c_debug || srp_arg.amp == 0)
1420                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1421                 }
1422
1423 #endif
1424 #endif
1425
1426         con=SSL_new(ctx);
1427         if (sess_in)
1428                 {
1429                 SSL_SESSION *sess;
1430                 BIO *stmp = BIO_new_file(sess_in, "r");
1431                 if (!stmp)
1432                         {
1433                         BIO_printf(bio_err, "Can't open session file %s\n",
1434                                                 sess_in);
1435                         ERR_print_errors(bio_err);
1436                         goto end;
1437                         }
1438                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1439                 BIO_free(stmp);
1440                 if (!sess)
1441                         {
1442                         BIO_printf(bio_err, "Can't open session file %s\n",
1443                                                 sess_in);
1444                         ERR_print_errors(bio_err);
1445                         goto end;
1446                         }
1447                 SSL_set_session(con, sess);
1448                 SSL_SESSION_free(sess);
1449                 }
1450
1451         if (fallback_scsv)
1452                 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1453
1454 #ifndef OPENSSL_NO_TLSEXT
1455         if (servername != NULL)
1456                 {
1457                 if (!SSL_set_tlsext_host_name(con,servername))
1458                         {
1459                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1460                         ERR_print_errors(bio_err);
1461                         goto end;
1462                         }
1463                 }
1464 #endif
1465 #ifndef OPENSSL_NO_KRB5
1466         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1467                 {
1468                 SSL_set0_kssl_ctx(con, kctx);
1469                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1470                 }
1471 #endif  /* OPENSSL_NO_KRB5  */
1472 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1473 #if 0
1474 #ifdef TLSEXT_TYPE_opaque_prf_input
1475         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1476 #endif
1477 #endif
1478
1479 re_start:
1480 #ifdef NO_SYS_UN_H
1481         if (init_client(&s,host,port,socket_type) == 0)
1482 #else
1483         if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1484                         (unix_path && (init_client_unix(&s,unix_path) == 0)))
1485 #endif
1486                 {
1487                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1488                 SHUTDOWN(s);
1489                 goto end;
1490                 }
1491         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1492
1493 #ifdef FIONBIO
1494         if (c_nbio)
1495                 {
1496                 unsigned long l=1;
1497                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1498                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1499                         {
1500                         ERR_print_errors(bio_err);
1501                         goto end;
1502                         }
1503                 }
1504 #endif
1505         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1506
1507         if (socket_type == SOCK_DGRAM)
1508                 {
1509
1510                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1511                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1512                         {
1513                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1514                                 get_last_socket_error());
1515                         SHUTDOWN(s);
1516                         goto end;
1517                         }
1518
1519                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1520
1521                 if (enable_timeouts)
1522                         {
1523                         timeout.tv_sec = 0;
1524                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1525                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1526
1527                         timeout.tv_sec = 0;
1528                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1529                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1530                         }
1531
1532                 if (socket_mtu > 28)
1533                         {
1534                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1535                         SSL_set_mtu(con, socket_mtu - 28);
1536                         }
1537                 else
1538                         /* want to do MTU discovery */
1539                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1540                 }
1541         else
1542                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1543
1544         if (nbio_test)
1545                 {
1546                 BIO *test;
1547
1548                 test=BIO_new(BIO_f_nbio_test());
1549                 sbio=BIO_push(test,sbio);
1550                 }
1551
1552         if (c_debug)
1553                 {
1554                 SSL_set_debug(con, 1);
1555                 BIO_set_callback(sbio,bio_dump_callback);
1556                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1557                 }
1558         if (c_msg)
1559                 {
1560 #ifndef OPENSSL_NO_SSL_TRACE
1561                 if (c_msg == 2)
1562                         SSL_set_msg_callback(con, SSL_trace);
1563                 else
1564 #endif
1565                         SSL_set_msg_callback(con, msg_cb);
1566                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1567                 }
1568 #ifndef OPENSSL_NO_TLSEXT
1569         if (c_tlsextdebug)
1570                 {
1571                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1572                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1573                 }
1574         if (c_status_req)
1575                 {
1576                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1577                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1578                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1579 #if 0
1580 {
1581 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1582 OCSP_RESPID *id = OCSP_RESPID_new();
1583 id->value.byKey = ASN1_OCTET_STRING_new();
1584 id->type = V_OCSP_RESPID_KEY;
1585 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1586 sk_OCSP_RESPID_push(ids, id);
1587 SSL_set_tlsext_status_ids(con, ids);
1588 }
1589 #endif
1590                 }
1591 #endif
1592 #ifndef OPENSSL_NO_JPAKE
1593         if (jpake_secret)
1594                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1595 #endif
1596
1597         SSL_set_bio(con,sbio,sbio);
1598         SSL_set_connect_state(con);
1599
1600         /* ok, lets connect */
1601         width=SSL_get_fd(con)+1;
1602
1603         read_tty=1;
1604         write_tty=0;
1605         tty_on=0;
1606         read_ssl=1;
1607         write_ssl=1;
1608
1609         cbuf_len=0;
1610         cbuf_off=0;
1611         sbuf_len=0;
1612         sbuf_off=0;
1613
1614         /* This is an ugly hack that does a lot of assumptions */
1615         /* We do have to handle multi-line responses which may come
1616            in a single packet or not. We therefore have to use
1617            BIO_gets() which does need a buffering BIO. So during
1618            the initial chitchat we do push a buffering BIO into the
1619            chain that is removed again later on to not disturb the
1620            rest of the s_client operation. */
1621         if (starttls_proto == PROTO_SMTP)
1622                 {
1623                 int foundit=0;
1624                 BIO *fbio = BIO_new(BIO_f_buffer());
1625                 BIO_push(fbio, sbio);
1626                 /* wait for multi-line response to end from SMTP */
1627                 do
1628                         {
1629                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1630                         }
1631                 while (mbuf_len>3 && mbuf[3]=='-');
1632                 /* STARTTLS command requires EHLO... */
1633                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1634                 (void)BIO_flush(fbio);
1635                 /* wait for multi-line response to end EHLO SMTP response */
1636                 do
1637                         {
1638                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1639                         if (strstr(mbuf,"STARTTLS"))
1640                                 foundit=1;
1641                         }
1642                 while (mbuf_len>3 && mbuf[3]=='-');
1643                 (void)BIO_flush(fbio);
1644                 BIO_pop(fbio);
1645                 BIO_free(fbio);
1646                 if (!foundit)
1647                         BIO_printf(bio_err,
1648                                    "didn't found starttls in server response,"
1649                                    " try anyway...\n");
1650                 BIO_printf(sbio,"STARTTLS\r\n");
1651                 BIO_read(sbio,sbuf,BUFSIZZ);
1652                 }
1653         else if (starttls_proto == PROTO_POP3)
1654                 {
1655                 BIO_read(sbio,mbuf,BUFSIZZ);
1656                 BIO_printf(sbio,"STLS\r\n");
1657                 BIO_read(sbio,sbuf,BUFSIZZ);
1658                 }
1659         else if (starttls_proto == PROTO_IMAP)
1660                 {
1661                 int foundit=0;
1662                 BIO *fbio = BIO_new(BIO_f_buffer());
1663                 BIO_push(fbio, sbio);
1664                 BIO_gets(fbio,mbuf,BUFSIZZ);
1665                 /* STARTTLS command requires CAPABILITY... */
1666                 BIO_printf(fbio,". CAPABILITY\r\n");
1667                 (void)BIO_flush(fbio);
1668                 /* wait for multi-line CAPABILITY response */
1669                 do
1670                         {
1671                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1672                         if (strstr(mbuf,"STARTTLS"))
1673                                 foundit=1;
1674                         }
1675                 while (mbuf_len>3 && mbuf[0]!='.');
1676                 (void)BIO_flush(fbio);
1677                 BIO_pop(fbio);
1678                 BIO_free(fbio);
1679                 if (!foundit)
1680                         BIO_printf(bio_err,
1681                                    "didn't found STARTTLS in server response,"
1682                                    " try anyway...\n");
1683                 BIO_printf(sbio,". STARTTLS\r\n");
1684                 BIO_read(sbio,sbuf,BUFSIZZ);
1685                 }
1686         else if (starttls_proto == PROTO_FTP)
1687                 {
1688                 BIO *fbio = BIO_new(BIO_f_buffer());
1689                 BIO_push(fbio, sbio);
1690                 /* wait for multi-line response to end from FTP */
1691                 do
1692                         {
1693                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1694                         }
1695                 while (mbuf_len>3 && mbuf[3]=='-');
1696                 (void)BIO_flush(fbio);
1697                 BIO_pop(fbio);
1698                 BIO_free(fbio);
1699                 BIO_printf(sbio,"AUTH TLS\r\n");
1700                 BIO_read(sbio,sbuf,BUFSIZZ);
1701                 }
1702         if (starttls_proto == PROTO_XMPP)
1703                 {
1704                 int seen = 0;
1705                 BIO_printf(sbio,"<stream:stream "
1706                     "xmlns:stream='http://etherx.jabber.org/streams' "
1707                     "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1708                            xmpphost : host);
1709                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1710                 mbuf[seen] = 0;
1711                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1712                                 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1713                         {
1714                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1715
1716                         if (seen <= 0)
1717                                 goto shut;
1718
1719                         mbuf[seen] = 0;
1720                         }
1721                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1722                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1723                 sbuf[seen] = 0;
1724                 if (!strstr(sbuf, "<proceed"))
1725                         goto shut;
1726                 mbuf[0] = 0;
1727                 }
1728
1729         for (;;)
1730                 {
1731                 FD_ZERO(&readfds);
1732                 FD_ZERO(&writefds);
1733
1734                 if ((SSL_version(con) == DTLS1_VERSION) &&
1735                         DTLSv1_get_timeout(con, &timeout))
1736                         timeoutp = &timeout;
1737                 else
1738                         timeoutp = NULL;
1739
1740                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1741                         {
1742                         in_init=1;
1743                         tty_on=0;
1744                         }
1745                 else
1746                         {
1747                         tty_on=1;
1748                         if (in_init)
1749                                 {
1750                                 in_init=0;
1751 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1752 #ifndef OPENSSL_NO_TLSEXT
1753                                 if (servername != NULL && !SSL_session_reused(con))
1754                                         {
1755                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1756                                         }
1757 #endif
1758 #endif
1759                                 if (sess_out)
1760                                         {
1761                                         BIO *stmp = BIO_new_file(sess_out, "w");
1762                                         if (stmp)
1763                                                 {
1764                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1765                                                 BIO_free(stmp);
1766                                                 }
1767                                         else
1768                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1769                                         }
1770                                 if (c_brief)
1771                                         {
1772                                         BIO_puts(bio_err,
1773                                                 "CONNECTION ESTABLISHED\n");
1774                                         print_ssl_summary(bio_err, con);
1775                                         }
1776
1777                                 print_stuff(bio_c_out,con,full_log);
1778                                 if (full_log > 0) full_log--;
1779
1780                                 if (starttls_proto)
1781                                         {
1782                                         BIO_printf(bio_err,"%s",mbuf);
1783                                         /* We don't need to know any more */
1784                                         starttls_proto = PROTO_OFF;
1785                                         }
1786
1787                                 if (reconnect)
1788                                         {
1789                                         reconnect--;
1790                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1791                                         SSL_shutdown(con);
1792                                         SSL_set_connect_state(con);
1793                                         SHUTDOWN(SSL_get_fd(con));
1794                                         goto re_start;
1795                                         }
1796                                 }
1797                         }
1798
1799                 ssl_pending = read_ssl && SSL_pending(con);
1800
1801                 if (!ssl_pending)
1802                         {
1803 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1804                         if (tty_on)
1805                                 {
1806                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1807                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1808                                 }
1809                         if (read_ssl)
1810                                 openssl_fdset(SSL_get_fd(con),&readfds);
1811                         if (write_ssl)
1812                                 openssl_fdset(SSL_get_fd(con),&writefds);
1813 #else
1814                         if(!tty_on || !write_tty) {
1815                                 if (read_ssl)
1816                                         openssl_fdset(SSL_get_fd(con),&readfds);
1817                                 if (write_ssl)
1818                                         openssl_fdset(SSL_get_fd(con),&writefds);
1819                         }
1820 #endif
1821 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1822                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1823
1824                         /* Note: under VMS with SOCKETSHR the second parameter
1825                          * is currently of type (int *) whereas under other
1826                          * systems it is (void *) if you don't have a cast it
1827                          * will choke the compiler: if you do have a cast then
1828                          * you can either go for (int *) or (void *).
1829                          */
1830 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1831                         /* Under Windows/DOS we make the assumption that we can
1832                          * always write to the tty: therefore if we need to
1833                          * write to the tty we just fall through. Otherwise
1834                          * we timeout the select every second and see if there
1835                          * are any keypresses. Note: this is a hack, in a proper
1836                          * Windows application we wouldn't do this.
1837                          */
1838                         i=0;
1839                         if(!write_tty) {
1840                                 if(read_tty) {
1841                                         tv.tv_sec = 1;
1842                                         tv.tv_usec = 0;
1843                                         i=select(width,(void *)&readfds,(void *)&writefds,
1844                                                  NULL,&tv);
1845 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1846                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1847 #else
1848                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1849 #endif
1850                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1851                                          NULL,timeoutp);
1852                         }
1853 #elif defined(OPENSSL_SYS_NETWARE)
1854                         if(!write_tty) {
1855                                 if(read_tty) {
1856                                         tv.tv_sec = 1;
1857                                         tv.tv_usec = 0;
1858                                         i=select(width,(void *)&readfds,(void *)&writefds,
1859                                                 NULL,&tv);
1860                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1861                                         NULL,timeoutp);
1862                         }
1863 #elif defined(OPENSSL_SYS_BEOS_R5)
1864                         /* Under BeOS-R5 the situation is similar to DOS */
1865                         i=0;
1866                         stdin_set = 0;
1867                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1868                         if(!write_tty) {
1869                                 if(read_tty) {
1870                                         tv.tv_sec = 1;
1871                                         tv.tv_usec = 0;
1872                                         i=select(width,(void *)&readfds,(void *)&writefds,
1873                                                  NULL,&tv);
1874                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1875                                                 stdin_set = 1;
1876                                         if (!i && (stdin_set != 1 || !read_tty))
1877                                                 continue;
1878                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1879                                          NULL,timeoutp);
1880                         }
1881                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1882 #else
1883                         i=select(width,(void *)&readfds,(void *)&writefds,
1884                                  NULL,timeoutp);
1885 #endif
1886                         if ( i < 0)
1887                                 {
1888                                 BIO_printf(bio_err,"bad select %d\n",
1889                                 get_last_socket_error());
1890                                 goto shut;
1891                                 /* goto end; */
1892                                 }
1893                         }
1894
1895                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1896                         {
1897                         BIO_printf(bio_err,"TIMEOUT occurred\n");
1898                         }
1899
1900                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1901                         {
1902                         k=SSL_write(con,&(cbuf[cbuf_off]),
1903                                 (unsigned int)cbuf_len);
1904                         switch (SSL_get_error(con,k))
1905                                 {
1906                         case SSL_ERROR_NONE:
1907                                 cbuf_off+=k;
1908                                 cbuf_len-=k;
1909                                 if (k <= 0) goto end;
1910                                 /* we have done a  write(con,NULL,0); */
1911                                 if (cbuf_len <= 0)
1912                                         {
1913                                         read_tty=1;
1914                                         write_ssl=0;
1915                                         }
1916                                 else /* if (cbuf_len > 0) */
1917                                         {
1918                                         read_tty=0;
1919                                         write_ssl=1;
1920                                         }
1921                                 break;
1922                         case SSL_ERROR_WANT_WRITE:
1923                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1924                                 write_ssl=1;
1925                                 read_tty=0;
1926                                 break;
1927                         case SSL_ERROR_WANT_READ:
1928                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1929                                 write_tty=0;
1930                                 read_ssl=1;
1931                                 write_ssl=0;
1932                                 break;
1933                         case SSL_ERROR_WANT_X509_LOOKUP:
1934                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1935                                 break;
1936                         case SSL_ERROR_ZERO_RETURN:
1937                                 if (cbuf_len != 0)
1938                                         {
1939                                         BIO_printf(bio_c_out,"shutdown\n");
1940                                         ret = 0;
1941                                         goto shut;
1942                                         }
1943                                 else
1944                                         {
1945                                         read_tty=1;
1946                                         write_ssl=0;
1947                                         break;
1948                                         }
1949
1950                         case SSL_ERROR_SYSCALL:
1951                                 if ((k != 0) || (cbuf_len != 0))
1952                                         {
1953                                         BIO_printf(bio_err,"write:errno=%d\n",
1954                                                 get_last_socket_error());
1955                                         goto shut;
1956                                         }
1957                                 else
1958                                         {
1959                                         read_tty=1;
1960                                         write_ssl=0;
1961                                         }
1962                                 break;
1963                         case SSL_ERROR_SSL:
1964                                 ERR_print_errors(bio_err);
1965                                 goto shut;
1966                                 }
1967                         }
1968 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1969                 /* Assume Windows/DOS/BeOS can always write */
1970                 else if (!ssl_pending && write_tty)
1971 #else
1972                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1973 #endif
1974                         {
1975 #ifdef CHARSET_EBCDIC
1976                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1977 #endif
1978                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1979
1980                         if (i <= 0)
1981                                 {
1982                                 BIO_printf(bio_c_out,"DONE\n");
1983                                 ret = 0;
1984                                 goto shut;
1985                                 /* goto end; */
1986                                 }
1987
1988                         sbuf_len-=i;;
1989                         sbuf_off+=i;
1990                         if (sbuf_len <= 0)
1991                                 {
1992                                 read_ssl=1;
1993                                 write_tty=0;
1994                                 }
1995                         }
1996                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
1997                         {
1998 #ifdef RENEG
1999 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
2000 #endif
2001 #if 1
2002                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
2003 #else
2004 /* Demo for pending and peek :-) */
2005                         k=SSL_read(con,sbuf,16);
2006 { char zbuf[10240];
2007 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
2008 }
2009 #endif
2010
2011                         switch (SSL_get_error(con,k))
2012                                 {
2013                         case SSL_ERROR_NONE:
2014                                 if (k <= 0)
2015                                         goto end;
2016                                 sbuf_off=0;
2017                                 sbuf_len=k;
2018
2019                                 read_ssl=0;
2020                                 write_tty=1;
2021                                 break;
2022                         case SSL_ERROR_WANT_WRITE:
2023                                 BIO_printf(bio_c_out,"read W BLOCK\n");
2024                                 write_ssl=1;
2025                                 read_tty=0;
2026                                 break;
2027                         case SSL_ERROR_WANT_READ:
2028                                 BIO_printf(bio_c_out,"read R BLOCK\n");
2029                                 write_tty=0;
2030                                 read_ssl=1;
2031                                 if ((read_tty == 0) && (write_ssl == 0))
2032                                         write_ssl=1;
2033                                 break;
2034                         case SSL_ERROR_WANT_X509_LOOKUP:
2035                                 BIO_printf(bio_c_out,"read X BLOCK\n");
2036                                 break;
2037                         case SSL_ERROR_SYSCALL:
2038                                 ret=get_last_socket_error();
2039                                 if (c_brief)
2040                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2041                                 else
2042                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2043                                 goto shut;
2044                         case SSL_ERROR_ZERO_RETURN:
2045                                 BIO_printf(bio_c_out,"closed\n");
2046                                 ret=0;
2047                                 goto shut;
2048                         case SSL_ERROR_SSL:
2049                                 ERR_print_errors(bio_err);
2050                                 goto shut;
2051                                 /* break; */
2052                                 }
2053                         }
2054
2055 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2056 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2057                 else if (_kbhit())
2058 #else
2059                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2060 #endif
2061 #elif defined (OPENSSL_SYS_NETWARE)
2062                 else if (_kbhit())
2063 #elif defined(OPENSSL_SYS_BEOS_R5)
2064                 else if (stdin_set)
2065 #else
2066                 else if (FD_ISSET(fileno(stdin),&readfds))
2067 #endif
2068                         {
2069                         if (crlf)
2070                                 {
2071                                 int j, lf_num;
2072
2073                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2074                                 lf_num = 0;
2075                                 /* both loops are skipped when i <= 0 */
2076                                 for (j = 0; j < i; j++)
2077                                         if (cbuf[j] == '\n')
2078                                                 lf_num++;
2079                                 for (j = i-1; j >= 0; j--)
2080                                         {
2081                                         cbuf[j+lf_num] = cbuf[j];
2082                                         if (cbuf[j] == '\n')
2083                                                 {
2084                                                 lf_num--;
2085                                                 i++;
2086                                                 cbuf[j+lf_num] = '\r';
2087                                                 }
2088                                         }
2089                                 assert(lf_num == 0);
2090                                 }
2091                         else
2092                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2093
2094                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2095                                 {
2096                                 BIO_printf(bio_err,"DONE\n");
2097                                 ret=0;
2098                                 goto shut;
2099                                 }
2100
2101                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2102                                 {
2103                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2104                                 SSL_renegotiate(con);
2105                                 cbuf_len=0;
2106                                 }
2107 #ifndef OPENSSL_NO_HEARTBEATS
2108                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2109                                 {
2110                                 BIO_printf(bio_err,"HEARTBEATING\n");
2111                                 SSL_heartbeat(con);
2112                                 cbuf_len=0;
2113                                 }
2114 #endif
2115                         else
2116                                 {
2117                                 cbuf_len=i;
2118                                 cbuf_off=0;
2119 #ifdef CHARSET_EBCDIC
2120                                 ebcdic2ascii(cbuf, cbuf, i);
2121 #endif
2122                                 }
2123
2124                         write_ssl=1;
2125                         read_tty=0;
2126                         }
2127                 }
2128
2129         ret=0;
2130 shut:
2131         if (in_init)
2132                 print_stuff(bio_c_out,con,full_log);
2133         SSL_shutdown(con);
2134         SHUTDOWN(SSL_get_fd(con));
2135 end:
2136         if (con != NULL)
2137                 {
2138                 if (prexit != 0)
2139                         print_stuff(bio_c_out,con,1);
2140                 SSL_free(con);
2141                 }
2142 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2143         if (next_proto.data)
2144                 OPENSSL_free(next_proto.data);
2145 #endif
2146         if (ctx != NULL) SSL_CTX_free(ctx);
2147         if (cert)
2148                 X509_free(cert);
2149         if (crls)
2150                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2151         if (key)
2152                 EVP_PKEY_free(key);
2153         if (chain)
2154                 sk_X509_pop_free(chain, X509_free);
2155         if (pass)
2156                 OPENSSL_free(pass);
2157         if (vpm)
2158                 X509_VERIFY_PARAM_free(vpm);
2159         ssl_excert_free(exc);
2160         if (ssl_args)
2161                 sk_OPENSSL_STRING_free(ssl_args);
2162         if (cctx)
2163                 SSL_CONF_CTX_free(cctx);
2164 #ifndef OPENSSL_NO_JPAKE
2165         if (jpake_secret && psk_key)
2166                 OPENSSL_free(psk_key);
2167 #endif
2168         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2169         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2170         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2171         if (bio_c_out != NULL)
2172                 {
2173                 BIO_free(bio_c_out);
2174                 bio_c_out=NULL;
2175                 }
2176         if (bio_c_msg != NULL)
2177                 {
2178                 BIO_free(bio_c_msg);
2179                 bio_c_msg=NULL;
2180                 }
2181         apps_shutdown();
2182         OPENSSL_EXIT(ret);
2183         }
2184
2185
2186 static void print_stuff(BIO *bio, SSL *s, int full)
2187         {
2188         X509 *peer=NULL;
2189         char *p;
2190         static const char *space="                ";
2191         char buf[BUFSIZ];
2192         STACK_OF(X509) *sk;
2193         STACK_OF(X509_NAME) *sk2;
2194         const SSL_CIPHER *c;
2195         X509_NAME *xn;
2196         int j,i;
2197 #ifndef OPENSSL_NO_COMP
2198         const COMP_METHOD *comp, *expansion;
2199 #endif
2200         unsigned char *exportedkeymat;
2201
2202         if (full)
2203                 {
2204                 int got_a_chain = 0;
2205
2206                 sk=SSL_get_peer_cert_chain(s);
2207                 if (sk != NULL)
2208                         {
2209                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2210
2211                         BIO_printf(bio,"---\nCertificate chain\n");
2212                         for (i=0; i<sk_X509_num(sk); i++)
2213                                 {
2214                                 X509_NAME_oneline(X509_get_subject_name(
2215                                         sk_X509_value(sk,i)),buf,sizeof buf);
2216                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2217                                 X509_NAME_oneline(X509_get_issuer_name(
2218                                         sk_X509_value(sk,i)),buf,sizeof buf);
2219                                 BIO_printf(bio,"   i:%s\n",buf);
2220                                 if (c_showcerts)
2221                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2222                                 }
2223                         }
2224
2225                 BIO_printf(bio,"---\n");
2226                 peer=SSL_get_peer_certificate(s);
2227                 if (peer != NULL)
2228                         {
2229                         BIO_printf(bio,"Server certificate\n");
2230                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2231                                 PEM_write_bio_X509(bio,peer);
2232                         X509_NAME_oneline(X509_get_subject_name(peer),
2233                                 buf,sizeof buf);
2234                         BIO_printf(bio,"subject=%s\n",buf);
2235                         X509_NAME_oneline(X509_get_issuer_name(peer),
2236                                 buf,sizeof buf);
2237                         BIO_printf(bio,"issuer=%s\n",buf);
2238                         }
2239                 else
2240                         BIO_printf(bio,"no peer certificate available\n");
2241
2242                 sk2=SSL_get_client_CA_list(s);
2243                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2244                         {
2245                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2246                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2247                                 {
2248                                 xn=sk_X509_NAME_value(sk2,i);
2249                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2250                                 BIO_write(bio,buf,strlen(buf));
2251                                 BIO_write(bio,"\n",1);
2252                                 }
2253                         }
2254                 else
2255                         {
2256                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2257                         }
2258                 p=SSL_get_shared_ciphers(s,buf,sizeof buf);
2259                 if (p != NULL)
2260                         {
2261                         /* This works only for SSL 2.  In later protocol
2262                          * versions, the client does not know what other
2263                          * ciphers (in addition to the one to be used
2264                          * in the current connection) the server supports. */
2265
2266                         BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n");
2267                         j=i=0;
2268                         while (*p)
2269                                 {
2270                                 if (*p == ':')
2271                                         {
2272                                         BIO_write(bio,space,15-j%25);
2273                                         i++;
2274                                         j=0;
2275                                         BIO_write(bio,((i%3)?" ":"\n"),1);
2276                                         }
2277                                 else
2278                                         {
2279                                         BIO_write(bio,p,1);
2280                                         j++;
2281                                         }
2282                                 p++;
2283                                 }
2284                         BIO_write(bio,"\n",1);
2285                         }
2286
2287                 ssl_print_sigalgs(bio, s);
2288                 ssl_print_tmp_key(bio, s);
2289
2290                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2291                         BIO_number_read(SSL_get_rbio(s)),
2292                         BIO_number_written(SSL_get_wbio(s)));
2293                 }
2294         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2295         c=SSL_get_current_cipher(s);
2296         BIO_printf(bio,"%s, Cipher is %s\n",
2297                 SSL_CIPHER_get_version(c),
2298                 SSL_CIPHER_get_name(c));
2299         if (peer != NULL) {
2300                 EVP_PKEY *pktmp;
2301                 pktmp = X509_get_pubkey(peer);
2302                 BIO_printf(bio,"Server public key is %d bit\n",
2303                                                          EVP_PKEY_bits(pktmp));
2304                 EVP_PKEY_free(pktmp);
2305         }
2306         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2307                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2308 #ifndef OPENSSL_NO_COMP
2309         comp=SSL_get_current_compression(s);
2310         expansion=SSL_get_current_expansion(s);
2311         BIO_printf(bio,"Compression: %s\n",
2312                 comp ? SSL_COMP_get_name(comp) : "NONE");
2313         BIO_printf(bio,"Expansion: %s\n",
2314                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2315 #endif
2316
2317 #ifdef SSL_DEBUG
2318         {
2319         /* Print out local port of connection: useful for debugging */
2320         int sock;
2321         struct sockaddr_in ladd;
2322         socklen_t ladd_size = sizeof(ladd);
2323         sock = SSL_get_fd(s);
2324         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2325         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2326         }
2327 #endif
2328
2329 #if !defined(OPENSSL_NO_TLSEXT)
2330 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2331         if (next_proto.status != -1) {
2332                 const unsigned char *proto;
2333                 unsigned int proto_len;
2334                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2335                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2336                 BIO_write(bio, proto, proto_len);
2337                 BIO_write(bio, "\n", 1);
2338         }
2339 # endif
2340         {
2341                 const unsigned char *proto;
2342                 unsigned int proto_len;
2343                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2344                 if (proto_len > 0)
2345                         {
2346                         BIO_printf(bio, "ALPN protocol: ");
2347                         BIO_write(bio, proto, proto_len);
2348                         BIO_write(bio, "\n", 1);
2349                         }
2350                 else
2351                         BIO_printf(bio, "No ALPN negotiated\n");
2352         }
2353 #endif
2354
2355         {
2356         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2357
2358         if(srtp_profile)
2359                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2360                            srtp_profile->name);
2361         }
2362
2363         SSL_SESSION_print(bio,SSL_get_session(s));
2364         if (keymatexportlabel != NULL)
2365                 {
2366                 BIO_printf(bio, "Keying material exporter:\n");
2367                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2368                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2369                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2370                 if (exportedkeymat != NULL)
2371                         {
2372                         if (!SSL_export_keying_material(s, exportedkeymat,
2373                                                         keymatexportlen,
2374                                                         keymatexportlabel,
2375                                                         strlen(keymatexportlabel),
2376                                                         NULL, 0, 0))
2377                                 {
2378                                 BIO_printf(bio, "    Error\n");
2379                                 }
2380                         else
2381                                 {
2382                                 BIO_printf(bio, "    Keying material: ");
2383                                 for (i=0; i<keymatexportlen; i++)
2384                                         BIO_printf(bio, "%02X",
2385                                                    exportedkeymat[i]);
2386                                 BIO_printf(bio, "\n");
2387                                 }
2388                         OPENSSL_free(exportedkeymat);
2389                         }
2390                 }
2391         BIO_printf(bio,"---\n");
2392         if (peer != NULL)
2393                 X509_free(peer);
2394         /* flush, or debugging output gets mixed with http response */
2395         (void)BIO_flush(bio);
2396         }
2397
2398 #ifndef OPENSSL_NO_TLSEXT
2399
2400 static int ocsp_resp_cb(SSL *s, void *arg)
2401         {
2402         const unsigned char *p;
2403         int len;
2404         OCSP_RESPONSE *rsp;
2405         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2406         BIO_puts(arg, "OCSP response: ");
2407         if (!p)
2408                 {
2409                 BIO_puts(arg, "no response sent\n");
2410                 return 1;
2411                 }
2412         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2413         if (!rsp)
2414                 {
2415                 BIO_puts(arg, "response parse error\n");
2416                 BIO_dump_indent(arg, (char *)p, len, 4);
2417                 return 0;
2418                 }
2419         BIO_puts(arg, "\n======================================\n");
2420         OCSP_RESPONSE_print(arg, rsp, 0);
2421         BIO_puts(arg, "======================================\n");
2422         OCSP_RESPONSE_free(rsp);
2423         return 1;
2424         }
2425
2426 #endif