apps/s_client.c

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