apps/s_client.c

   1 /* apps/s_client.c */
   2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
   3  * All rights reserved.
   4  *
   5  * This package is an SSL implementation written
   6  * by Eric Young (eay@cryptsoft.com).
   7  * The implementation was written so as to conform with Netscapes SSL.
   8  *
   9  * This library is free for commercial and non-commercial use as long as
  10  * the following conditions are aheared to.  The following conditions
  11  * apply to all code found in this distribution, be it the RC4, RSA,
  12  * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
  13  * included with this distribution is covered by the same copyright terms
  14  * except that the holder is Tim Hudson (tjh@cryptsoft.com).
  15  *
  16  * Copyright remains Eric Young's, and as such any Copyright notices in
  17  * the code are not to be removed.
  18  * If this package is used in a product, Eric Young should be given attribution
  19  * as the author of the parts of the library used.
  20  * This can be in the form of a textual message at program startup or
  21  * in documentation (online or textual) provided with the package.
  22  *
  23  * Redistribution and use in source and binary forms, with or without
  24  * modification, are permitted provided that the following conditions
  25  * are met:
  26  * 1. Redistributions of source code must retain the copyright
  27  *    notice, this list of conditions and the following disclaimer.
  28  * 2. Redistributions in binary form must reproduce the above copyright
  29  *    notice, this list of conditions and the following disclaimer in the
  30  *    documentation and/or other materials provided with the distribution.
  31  * 3. All advertising materials mentioning features or use of this software
  32  *    must display the following acknowledgement:
  33  *    "This product includes cryptographic software written by
  34  *     Eric Young (eay@cryptsoft.com)"
  35  *    The word 'cryptographic' can be left out if the rouines from the library
  36  *    being used are not cryptographic related :-).
  37  * 4. If you include any Windows specific code (or a derivative thereof) from
  38  *    the apps directory (application code) you must include an acknowledgement:
  39  *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
  40  *
  41  * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
  42  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  43  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  44  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
  45  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  46  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  47  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  48  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  49  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  50  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  51  * SUCH DAMAGE.
  52  *
  53  * The licence and distribution terms for any publically available version or
  54  * derivative of this code cannot be changed.  i.e. this code cannot simply be
  55  * copied and put under another distribution licence
  56  * [including the GNU Public Licence.]
  57  */
  58 /* ====================================================================
  59  * Copyright (c) 1998-2006 The OpenSSL Project.  All rights reserved.
  60  *
  61  * Redistribution and use in source and binary forms, with or without
  62  * modification, are permitted provided that the following conditions
  63  * are met:
  64  *
  65  * 1. Redistributions of source code must retain the above copyright
  66  *    notice, this list of conditions and the following disclaimer.
  67  *
  68  * 2. Redistributions in binary form must reproduce the above copyright
  69  *    notice, this list of conditions and the following disclaimer in
  70  *    the documentation and/or other materials provided with the
  71  *    distribution.
  72  *
  73  * 3. All advertising materials mentioning features or use of this
  74  *    software must display the following acknowledgment:
  75  *    "This product includes software developed by the OpenSSL Project
  76  *    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
  77  *
  78  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  79  *    endorse or promote products derived from this software without
  80  *    prior written permission. For written permission, please contact
  81  *    openssl-core@openssl.org.
  82  *
  83  * 5. Products derived from this software may not be called "OpenSSL"
  84  *    nor may "OpenSSL" appear in their names without prior written
  85  *    permission of the OpenSSL Project.
  86  *
  87  * 6. Redistributions of any form whatsoever must retain the following
  88  *    acknowledgment:
  89  *    "This product includes software developed by the OpenSSL Project
  90  *    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  91  *
  92  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  93  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  94  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  95  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  96  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  97  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  98  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  99  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 100  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 101  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 102  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
 103  * OF THE POSSIBILITY OF SUCH DAMAGE.
 104  * ====================================================================
 105  *
 106  * This product includes cryptographic software written by Eric Young
 107  * (eay@cryptsoft.com).  This product includes software written by Tim
 108  * Hudson (tjh@cryptsoft.com).
 109  *
 110  */
 111 /* ====================================================================
 112  * Copyright 2005 Nokia. All rights reserved.
 113  *
 114  * The portions of the attached software ("Contribution") is developed by
 115  * Nokia Corporation and is licensed pursuant to the OpenSSL open source
 116  * license.
 117  *
 118  * The Contribution, originally written by Mika Kousa and Pasi Eronen of
 119  * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites
 120  * support (see RFC 4279) to OpenSSL.
 121  *
 122  * No patent licenses or other rights except those expressly stated in
 123  * the OpenSSL open source license shall be deemed granted or received
 124  * expressly, by implication, estoppel, or otherwise.
 125  *
 126  * No assurances are provided by Nokia that the Contribution does not
 127  * infringe the patent or other intellectual property rights of any third
 128  * party or that the license provides you with all the necessary rights
 129  * to make use of the Contribution.
 130  *
 131  * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN
 132  * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA
 133  * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY
 134  * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR
 135  * OTHERWISE.
 136  */
 137
 138 #include <assert.h>
 139 #include <ctype.h>
 140 #include <stdio.h>
 141 #include <stdlib.h>
 142 #include <string.h>
 143 #include <openssl/e_os2.h>
 144 #ifdef OPENSSL_NO_STDIO
 145 #define APPS_WIN16
 146 #endif
 147
 148 /* With IPv6, it looks like Digital has mixed up the proper order of
 149    recursive header file inclusion, resulting in the compiler complaining
 150    that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which
 151    is needed to have fileno() declared correctly...  So let's define u_int */
 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT)
 153 #define __U_INT
 154 typedef unsigned int u_int;
 155 #endif
 156
 157 #define USE_SOCKETS
 158 #include "apps.h"
 159 #include <openssl/x509.h>
 160 #include <openssl/ssl.h>
 161 #include <openssl/err.h>
 162 #include <openssl/pem.h>
 163 #include <openssl/rand.h>
 164 #include <openssl/ocsp.h>
 165 #include <openssl/bn.h>
 166 #ifndef OPENSSL_NO_SRP
 167 #include <openssl/srp.h>
 168 #endif
 169 #include "s_apps.h"
 170 #include "timeouts.h"
 171
 172 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000)
 173 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */
 174 #undef FIONBIO
 175 #endif
 176
 177 #if defined(OPENSSL_SYS_BEOS_R5)
 178 #include <fcntl.h>
 179 #endif
 180
 181 #undef PROG
 182 #define PROG    s_client_main
 183
 184 /*#define SSL_HOST_NAME "www.netscape.com" */
 185 /*#define SSL_HOST_NAME "193.118.187.102" */
 186 #define SSL_HOST_NAME   "localhost"
 187
 188 /*#define TEST_CERT "client.pem" */ /* no default cert. */
 189
 190 #undef BUFSIZZ
 191 #define BUFSIZZ 1024*8
 192
 193 extern int verify_depth;
 194 extern int verify_error;
 195 extern int verify_return_error;
 196 extern int verify_quiet;
 197
 198 #ifdef FIONBIO
 199 static int c_nbio=0;
 200 #endif
 201 static int c_Pause=0;
 202 static int c_debug=0;
 203 #ifndef OPENSSL_NO_TLSEXT
 204 static int c_tlsextdebug=0;
 205 static int c_status_req=0;
 206 #endif
 207 static int c_msg=0;
 208 static int c_showcerts=0;
 209
 210 static char *keymatexportlabel=NULL;
 211 static int keymatexportlen=20;
 212
 213 static void sc_usage(void);
 214 static void print_stuff(BIO *berr,SSL *con,int full);
 215 #ifndef OPENSSL_NO_TLSEXT
 216 static int ocsp_resp_cb(SSL *s, void *arg);
 217 #endif
 218 static BIO *bio_c_out=NULL;
 219 static BIO *bio_c_msg=NULL;
 220 static int c_quiet=0;
 221 static int c_ign_eof=0;
 222 static int c_brief=0;
 223
 224 #ifndef OPENSSL_NO_PSK
 225 /* Default PSK identity and key */
 226 static char *psk_identity="Client_identity";
 227 /*char *psk_key=NULL;  by default PSK is not used */
 228
 229 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity,
 230         unsigned int max_identity_len, unsigned char *psk,
 231         unsigned int max_psk_len)
 232         {
 233         unsigned int psk_len = 0;
 234         int ret;
 235         BIGNUM *bn=NULL;
 236
 237         if (c_debug)
 238                 BIO_printf(bio_c_out, "psk_client_cb\n");
 239         if (!hint)
 240                 {
 241                 /* no ServerKeyExchange message*/
 242                 if (c_debug)
 243                         BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n");
 244                 }
 245         else if (c_debug)
 246                 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint);
 247
 248         /* lookup PSK identity and PSK key based on the given identity hint here */
 249         ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity);
 250         if (ret < 0 || (unsigned int)ret > max_identity_len)
 251                 goto out_err;
 252         if (c_debug)
 253                 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret);
 254         ret=BN_hex2bn(&bn, psk_key);
 255         if (!ret)
 256                 {
 257                 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key);
 258                 if (bn)
 259                         BN_free(bn);
 260                 return 0;
 261                 }
 262
 263         if ((unsigned int)BN_num_bytes(bn) > max_psk_len)
 264                 {
 265                 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n",
 266                         max_psk_len, BN_num_bytes(bn));
 267                 BN_free(bn);
 268                 return 0;
 269                 }
 270
 271         psk_len=BN_bn2bin(bn, psk);
 272         BN_free(bn);
 273         if (psk_len == 0)
 274                 goto out_err;
 275
 276         if (c_debug)
 277                 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len);
 278
 279         return psk_len;
 280  out_err:
 281         if (c_debug)
 282                 BIO_printf(bio_err, "Error in PSK client callback\n");
 283         return 0;
 284         }
 285 #endif
 286
 287 static void sc_usage(void)
 288         {
 289         BIO_printf(bio_err,"usage: s_client args\n");
 290         BIO_printf(bio_err,"\n");
 291         BIO_printf(bio_err," -host host     - use -connect instead\n");
 292         BIO_printf(bio_err," -port port     - use -connect instead\n");
 293         BIO_printf(bio_err," -connect host:port - connect over TCP/IP (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR);
 294         BIO_printf(bio_err," -unix path    - connect over unix domain sockets\n");
 295         BIO_printf(bio_err," -verify arg   - turn on peer certificate verification\n");
 296         BIO_printf(bio_err," -verify_return_error - return verification errors\n");
 297         BIO_printf(bio_err," -cert arg     - certificate file to use, PEM format assumed\n");
 298         BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n");
 299         BIO_printf(bio_err," -key arg      - Private key file to use, in cert file if\n");
 300         BIO_printf(bio_err,"                 not specified but cert file is.\n");
 301         BIO_printf(bio_err," -keyform arg  - key format (PEM or DER) PEM default\n");
 302         BIO_printf(bio_err," -pass arg     - private key file pass phrase source\n");
 303         BIO_printf(bio_err," -CApath arg   - PEM format directory of CA's\n");
 304         BIO_printf(bio_err," -CAfile arg   - PEM format file of CA's\n");
 305         BIO_printf(bio_err," -trusted_first - Use local CA's first when building trust chain\n");
 306         BIO_printf(bio_err," -reconnect    - Drop and re-make the connection with the same Session-ID\n");
 307         BIO_printf(bio_err," -pause        - sleep(1) after each read(2) and write(2) system call\n");
 308         BIO_printf(bio_err," -prexit       - print session information even on connection failure\n");
 309         BIO_printf(bio_err," -showcerts    - show all certificates in the chain\n");
 310         BIO_printf(bio_err," -debug        - extra output\n");
 311 #ifdef WATT32
 312         BIO_printf(bio_err," -wdebug       - WATT-32 tcp debugging\n");
 313 #endif
 314         BIO_printf(bio_err," -msg          - Show protocol messages\n");
 315         BIO_printf(bio_err," -nbio_test    - more ssl protocol testing\n");
 316         BIO_printf(bio_err," -state        - print the 'ssl' states\n");
 317 #ifdef FIONBIO
 318         BIO_printf(bio_err," -nbio         - Run with non-blocking IO\n");
 319 #endif
 320         BIO_printf(bio_err," -crlf         - convert LF from terminal into CRLF\n");
 321         BIO_printf(bio_err," -quiet        - no s_client output\n");
 322         BIO_printf(bio_err," -ign_eof      - ignore input eof (default when -quiet)\n");
 323         BIO_printf(bio_err," -no_ign_eof   - don't ignore input eof\n");
 324 #ifndef OPENSSL_NO_PSK
 325         BIO_printf(bio_err," -psk_identity arg - PSK identity\n");
 326         BIO_printf(bio_err," -psk arg      - PSK in hex (without 0x)\n");
 327 # ifndef OPENSSL_NO_JPAKE
 328         BIO_printf(bio_err," -jpake arg    - JPAKE secret to use\n");
 329 # endif
 330 #endif
 331 #ifndef OPENSSL_NO_SRP
 332         BIO_printf(bio_err," -srpuser user     - SRP authentification for 'user'\n");
 333         BIO_printf(bio_err," -srppass arg      - password for 'user'\n");
 334         BIO_printf(bio_err," -srp_lateuser     - SRP username into second ClientHello message\n");
 335         BIO_printf(bio_err," -srp_moregroups   - Tolerate other than the known g N values.\n");
 336         BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N);
 337 #endif
 338 #ifndef OPENSSL_NO_SSL3_METHOD
 339         BIO_printf(bio_err," -ssl3         - just use SSLv3\n");
 340 #endif
 341         BIO_printf(bio_err," -tls1_2       - just use TLSv1.2\n");
 342         BIO_printf(bio_err," -tls1_1       - just use TLSv1.1\n");
 343         BIO_printf(bio_err," -tls1         - just use TLSv1\n");
 344         BIO_printf(bio_err," -dtls1        - just use DTLSv1\n");
 345         BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n");
 346         BIO_printf(bio_err," -mtu          - set the link layer MTU\n");
 347         BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3 - turn off that protocol\n");
 348         BIO_printf(bio_err," -bugs         - Switch on all SSL implementation bug workarounds\n");
 349         BIO_printf(bio_err," -cipher       - preferred cipher to use, use the 'openssl ciphers'\n");
 350         BIO_printf(bio_err,"                 command to see what is available\n");
 351         BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n");
 352         BIO_printf(bio_err,"                 for those protocols that support it, where\n");
 353         BIO_printf(bio_err,"                 'prot' defines which one to assume.  Currently,\n");
 354         BIO_printf(bio_err,"                 only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n");
 355         BIO_printf(bio_err,"                 are supported.\n");
 356         BIO_printf(bio_err," -xmpphost host - When used with \"-starttls xmpp\" specifies the virtual host.\n");
 357 #ifndef OPENSSL_NO_ENGINE
 358         BIO_printf(bio_err," -engine id    - Initialise and use the specified engine\n");
 359 #endif
 360         BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR);
 361         BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n");
 362         BIO_printf(bio_err," -sess_in arg  - file to read SSL session from\n");
 363 #ifndef OPENSSL_NO_TLSEXT
 364         BIO_printf(bio_err," -servername host  - Set TLS extension servername in ClientHello\n");
 365         BIO_printf(bio_err," -tlsextdebug      - hex dump of all TLS extensions received\n");
 366         BIO_printf(bio_err," -status           - request certificate status from server\n");
 367         BIO_printf(bio_err," -no_ticket        - disable use of RFC4507bis session tickets\n");
 368         BIO_printf(bio_err," -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n");
 369 # ifndef OPENSSL_NO_NEXTPROTONEG
 370         BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n");
 371 # endif
 372         BIO_printf(bio_err," -alpn arg         - enable ALPN extension, considering named protocols supported (comma-separated list)\n");
 373 #endif
 374         BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n");
 375         BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n");
 376         BIO_printf(bio_err," -keymatexport label   - Export keying material using label\n");
 377         BIO_printf(bio_err," -keymatexportlen len  - Export len bytes of keying material (default 20)\n");
 378         }
 379
 380 #ifndef OPENSSL_NO_TLSEXT
 381
 382 /* This is a context that we pass to callbacks */
 383 typedef struct tlsextctx_st {
 384    BIO * biodebug;
 385    int ack;
 386 } tlsextctx;
 387
 388
 389 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg)
 390         {
 391         tlsextctx * p = (tlsextctx *) arg;
 392         const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name);
 393         if (SSL_get_servername_type(s) != -1)
 394                 p->ack = !SSL_session_reused(s) && hn != NULL;
 395         else
 396                 BIO_printf(bio_err,"Can't use SSL_get_servername\n");
 397
 398         return SSL_TLSEXT_ERR_OK;
 399         }
 400
 401 #ifndef OPENSSL_NO_SRP
 402
 403 /* This is a context that we pass to all callbacks */
 404 typedef struct srp_arg_st
 405         {
 406         char *srppassin;
 407         char *srplogin;
 408         int msg;   /* copy from c_msg */
 409         int debug; /* copy from c_debug */
 410         int amp;   /* allow more groups */
 411         int strength /* minimal size for N */ ;
 412         } SRP_ARG;
 413
 414 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64
 415
 416 static int srp_Verify_N_and_g(const BIGNUM *N, const BIGNUM *g)
 417         {
 418         BN_CTX *bn_ctx = BN_CTX_new();
 419         BIGNUM *p = BN_new();
 420         BIGNUM *r = BN_new();
 421         int ret =
 422                 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) &&
 423                 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 424                 p != NULL && BN_rshift1(p, N) &&
 425
 426                 /* p = (N-1)/2 */
 427                 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) &&
 428                 r != NULL &&
 429
 430                 /* verify g^((N-1)/2) == -1 (mod N) */
 431                 BN_mod_exp(r, g, p, N, bn_ctx) &&
 432                 BN_add_word(r, 1) &&
 433                 BN_cmp(r, N) == 0;
 434
 435         if(r)
 436                 BN_free(r);
 437         if(p)
 438                 BN_free(p);
 439         if(bn_ctx)
 440                 BN_CTX_free(bn_ctx);
 441         return ret;
 442         }
 443
 444 /* This callback is used here for two purposes:
 445    - extended debugging
 446    - making some primality tests for unknown groups
 447    The callback is only called for a non default group.
 448
 449    An application does not need the call back at all if
 450    only the stanard groups are used.  In real life situations,
 451    client and server already share well known groups,
 452    thus there is no need to verify them.
 453    Furthermore, in case that a server actually proposes a group that
 454    is not one of those defined in RFC 5054, it is more appropriate
 455    to add the group to a static list and then compare since
 456    primality tests are rather cpu consuming.
 457 */
 458
 459 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg)
 460         {
 461         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 462         BIGNUM *N = NULL, *g = NULL;
 463         if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s)))
 464                 return 0;
 465         if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1)
 466                 {
 467                 BIO_printf(bio_err, "SRP parameters:\n");
 468                 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N);
 469                 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g);
 470                 BIO_printf(bio_err,"\n");
 471                 }
 472
 473         if (SRP_check_known_gN_param(g,N))
 474                 return 1;
 475
 476         if (srp_arg->amp == 1)
 477                 {
 478                 if (srp_arg->debug)
 479                         BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n");
 480
 481 /* The srp_moregroups is a real debugging feature.
 482    Implementors should rather add the value to the known ones.
 483    The minimal size has already been tested.
 484 */
 485                 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g))
 486                         return 1;
 487                 }
 488         BIO_printf(bio_err, "SRP param N and g rejected.\n");
 489         return 0;
 490         }
 491
 492 #define PWD_STRLEN 1024
 493
 494 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg)
 495         {
 496         SRP_ARG *srp_arg = (SRP_ARG *)arg;
 497         char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1);
 498         PW_CB_DATA cb_tmp;
 499         int l;
 500
 501         cb_tmp.password = (char *)srp_arg->srppassin;
 502         cb_tmp.prompt_info = "SRP user";
 503         if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0)
 504                 {
 505                 BIO_printf (bio_err, "Can't read Password\n");
 506                 OPENSSL_free(pass);
 507                 return NULL;
 508                 }
 509         *(pass+l)= '\0';
 510
 511         return pass;
 512         }
 513
 514 #endif
 515         char *srtp_profiles = NULL;
 516
 517 # ifndef OPENSSL_NO_NEXTPROTONEG
 518 /* This the context that we pass to next_proto_cb */
 519 typedef struct tlsextnextprotoctx_st {
 520         unsigned char *data;
 521         unsigned short len;
 522         int status;
 523 } tlsextnextprotoctx;
 524
 525 static tlsextnextprotoctx next_proto;
 526
 527 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg)
 528         {
 529         tlsextnextprotoctx *ctx = arg;
 530
 531         if (!c_quiet)
 532                 {
 533                 /* We can assume that |in| is syntactically valid. */
 534                 unsigned i;
 535                 BIO_printf(bio_c_out, "Protocols advertised by server: ");
 536                 for (i = 0; i < inlen; )
 537                         {
 538                         if (i)
 539                                 BIO_write(bio_c_out, ", ", 2);
 540                         BIO_write(bio_c_out, &in[i + 1], in[i]);
 541                         i += in[i] + 1;
 542                         }
 543                 BIO_write(bio_c_out, "\n", 1);
 544                 }
 545
 546         ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len);
 547         return SSL_TLSEXT_ERR_OK;
 548         }
 549 # endif  /* ndef OPENSSL_NO_NEXTPROTONEG */
 550
 551 static int serverinfo_cli_parse_cb(SSL* s, unsigned int ext_type,
 552                                    const unsigned char* in, size_t inlen,
 553                                    int* al, void* arg)
 554         {
 555         char pem_name[100];
 556         unsigned char ext_buf[4 + 65536];
 557
 558         /* Reconstruct the type/len fields prior to extension data */
 559         ext_buf[0] = ext_type >> 8;
 560         ext_buf[1] = ext_type & 0xFF;
 561         ext_buf[2] = inlen >> 8;
 562         ext_buf[3] = inlen & 0xFF;
 563         memcpy(ext_buf+4, in, inlen);
 564
 565         BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d",
 566                      ext_type);
 567         PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen);
 568         return 1;
 569         }
 570
 571 #endif
 572
 573 enum
 574 {
 575         PROTO_OFF       = 0,
 576         PROTO_SMTP,
 577         PROTO_POP3,
 578         PROTO_IMAP,
 579         PROTO_FTP,
 580         PROTO_XMPP
 581 };
 582
 583 int MAIN(int, char **);
 584
 585 int MAIN(int argc, char **argv)
 586         {
 587         int build_chain = 0;
 588         SSL *con=NULL;
 589 #ifndef OPENSSL_NO_KRB5
 590         KSSL_CTX *kctx;
 591 #endif
 592         int s,k,width,state=0;
 593         char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL;
 594         int cbuf_len,cbuf_off;
 595         int sbuf_len,sbuf_off;
 596         fd_set readfds,writefds;
 597         short port=PORT;
 598         int full_log=1;
 599         char *host=SSL_HOST_NAME;
 600         const char *unix_path = NULL;
 601         char *xmpphost = NULL;
 602         char *cert_file=NULL,*key_file=NULL,*chain_file=NULL;
 603         int cert_format = FORMAT_PEM, key_format = FORMAT_PEM;
 604         char *passarg = NULL, *pass = NULL;
 605         X509 *cert = NULL;
 606         EVP_PKEY *key = NULL;
 607         STACK_OF(X509) *chain = NULL;
 608         char *CApath=NULL,*CAfile=NULL;
 609         char *chCApath=NULL,*chCAfile=NULL;
 610         char *vfyCApath=NULL,*vfyCAfile=NULL;
 611         int reconnect=0,badop=0,verify=SSL_VERIFY_NONE;
 612         int crlf=0;
 613         int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending;
 614         SSL_CTX *ctx=NULL;
 615         int ret=1,in_init=1,i,nbio_test=0;
 616         int starttls_proto = PROTO_OFF;
 617         int prexit = 0;
 618         X509_VERIFY_PARAM *vpm = NULL;
 619         int badarg = 0;
 620         const SSL_METHOD *meth=NULL;
 621         int socket_type=SOCK_STREAM;
 622         BIO *sbio;
 623         char *inrand=NULL;
 624         int mbuf_len=0;
 625         struct timeval timeout, *timeoutp;
 626 #ifndef OPENSSL_NO_ENGINE
 627         char *engine_id=NULL;
 628         char *ssl_client_engine_id=NULL;
 629         ENGINE *ssl_client_engine=NULL;
 630 #endif
 631         ENGINE *e=NULL;
 632 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
 633         struct timeval tv;
 634 #if defined(OPENSSL_SYS_BEOS_R5)
 635         int stdin_set = 0;
 636 #endif
 637 #endif
 638 #ifndef OPENSSL_NO_TLSEXT
 639         char *servername = NULL;
 640         tlsextctx tlsextcbp =
 641         {NULL,0};
 642 # ifndef OPENSSL_NO_NEXTPROTONEG
 643         const char *next_proto_neg_in = NULL;
 644 # endif
 645         const char *alpn_in = NULL;
 646 # define MAX_SI_TYPES 100
 647         unsigned short serverinfo_types[MAX_SI_TYPES];
 648         int serverinfo_types_count = 0;
 649 #endif
 650         char *sess_in = NULL;
 651         char *sess_out = NULL;
 652         struct sockaddr peer;
 653         int peerlen = sizeof(peer);
 654         int fallback_scsv = 0;
 655         int enable_timeouts = 0 ;
 656         long socket_mtu = 0;
 657 #ifndef OPENSSL_NO_JPAKE
 658 static char *jpake_secret = NULL;
 659 #define no_jpake !jpake_secret
 660 #else
 661 #define no_jpake 1
 662 #endif
 663 #ifndef OPENSSL_NO_SRP
 664         char * srppass = NULL;
 665         int srp_lateuser = 0;
 666         SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024};
 667 #endif
 668         SSL_EXCERT *exc = NULL;
 669
 670         SSL_CONF_CTX *cctx = NULL;
 671         STACK_OF(OPENSSL_STRING) *ssl_args = NULL;
 672
 673         char *crl_file = NULL;
 674         int crl_format = FORMAT_PEM;
 675         int crl_download = 0;
 676         STACK_OF(X509_CRL) *crls = NULL;
 677         int sdebug = 0;
 678
 679         meth=SSLv23_client_method();
 680
 681         apps_startup();
 682         c_Pause=0;
 683         c_quiet=0;
 684         c_ign_eof=0;
 685         c_debug=0;
 686         c_msg=0;
 687         c_showcerts=0;
 688
 689         if (bio_err == NULL)
 690                 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE);
 691
 692         if (!load_config(bio_err, NULL))
 693                 goto end;
 694         cctx = SSL_CONF_CTX_new();
 695         if (!cctx)
 696                 goto end;
 697         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT);
 698         SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE);
 699
 700         if (    ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 701                 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) ||
 702                 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL))
 703                 {
 704                 BIO_printf(bio_err,"out of memory\n");
 705                 goto end;
 706                 }
 707
 708         verify_depth=0;
 709         verify_error=X509_V_OK;
 710 #ifdef FIONBIO
 711         c_nbio=0;
 712 #endif
 713
 714         argc--;
 715         argv++;
 716         while (argc >= 1)
 717                 {
 718                 if      (strcmp(*argv,"-host") == 0)
 719                         {
 720                         if (--argc < 1) goto bad;
 721                         host= *(++argv);
 722                         }
 723                 else if (strcmp(*argv,"-port") == 0)
 724                         {
 725                         if (--argc < 1) goto bad;
 726                         port=atoi(*(++argv));
 727                         if (port == 0) goto bad;
 728                         }
 729                 else if (strcmp(*argv,"-connect") == 0)
 730                         {
 731                         if (--argc < 1) goto bad;
 732                         if (!extract_host_port(*(++argv),&host,NULL,&port))
 733                                 goto bad;
 734                         }
 735                 else if (strcmp(*argv,"-unix") == 0)
 736                         {
 737                         if (--argc < 1) goto bad;
 738                         unix_path = *(++argv);
 739                         }
 740                 else if (strcmp(*argv,"-xmpphost") == 0)
 741                         {
 742                         if (--argc < 1) goto bad;
 743                         xmpphost= *(++argv);
 744                         }
 745                 else if (strcmp(*argv,"-verify") == 0)
 746                         {
 747                         verify=SSL_VERIFY_PEER;
 748                         if (--argc < 1) goto bad;
 749                         verify_depth=atoi(*(++argv));
 750                         if (!c_quiet)
 751                                 BIO_printf(bio_err,"verify depth is %d\n",verify_depth);
 752                         }
 753                 else if (strcmp(*argv,"-cert") == 0)
 754                         {
 755                         if (--argc < 1) goto bad;
 756                         cert_file= *(++argv);
 757                         }
 758                 else if (strcmp(*argv,"-CRL") == 0)
 759                         {
 760                         if (--argc < 1) goto bad;
 761                         crl_file= *(++argv);
 762                         }
 763                 else if (strcmp(*argv,"-crl_download") == 0)
 764                         crl_download = 1;
 765                 else if (strcmp(*argv,"-sess_out") == 0)
 766                         {
 767                         if (--argc < 1) goto bad;
 768                         sess_out = *(++argv);
 769                         }
 770                 else if (strcmp(*argv,"-sess_in") == 0)
 771                         {
 772                         if (--argc < 1) goto bad;
 773                         sess_in = *(++argv);
 774                         }
 775                 else if (strcmp(*argv,"-certform") == 0)
 776                         {
 777                         if (--argc < 1) goto bad;
 778                         cert_format = str2fmt(*(++argv));
 779                         }
 780                 else if (strcmp(*argv,"-CRLform") == 0)
 781                         {
 782                         if (--argc < 1) goto bad;
 783                         crl_format = str2fmt(*(++argv));
 784                         }
 785                 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm))
 786                         {
 787                         if (badarg)
 788                                 goto bad;
 789                         continue;
 790                         }
 791                 else if (strcmp(*argv,"-verify_return_error") == 0)
 792                         verify_return_error = 1;
 793                 else if (strcmp(*argv,"-verify_quiet") == 0)
 794                         verify_quiet = 1;
 795                 else if (strcmp(*argv,"-brief") == 0)
 796                         {
 797                         c_brief = 1;
 798                         verify_quiet = 1;
 799                         c_quiet = 1;
 800                         }
 801                 else if (args_excert(&argv, &argc, &badarg, bio_err, &exc))
 802                         {
 803                         if (badarg)
 804                                 goto bad;
 805                         continue;
 806                         }
 807                 else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args))
 808                         {
 809                         if (badarg)
 810                                 goto bad;
 811                         continue;
 812                         }
 813                 else if (strcmp(*argv,"-prexit") == 0)
 814                         prexit=1;
 815                 else if (strcmp(*argv,"-crlf") == 0)
 816                         crlf=1;
 817                 else if (strcmp(*argv,"-quiet") == 0)
 818                         {
 819                         c_quiet=1;
 820                         c_ign_eof=1;
 821                         }
 822                 else if (strcmp(*argv,"-ign_eof") == 0)
 823                         c_ign_eof=1;
 824                 else if (strcmp(*argv,"-no_ign_eof") == 0)
 825                         c_ign_eof=0;
 826                 else if (strcmp(*argv,"-pause") == 0)
 827                         c_Pause=1;
 828                 else if (strcmp(*argv,"-debug") == 0)
 829                         c_debug=1;
 830 #ifndef OPENSSL_NO_TLSEXT
 831                 else if (strcmp(*argv,"-tlsextdebug") == 0)
 832                         c_tlsextdebug=1;
 833                 else if (strcmp(*argv,"-status") == 0)
 834                         c_status_req=1;
 835 #endif
 836 #ifdef WATT32
 837                 else if (strcmp(*argv,"-wdebug") == 0)
 838                         dbug_init();
 839 #endif
 840                 else if (strcmp(*argv,"-msg") == 0)
 841                         c_msg=1;
 842                 else if (strcmp(*argv,"-msgfile") == 0)
 843                         {
 844                         if (--argc < 1) goto bad;
 845                         bio_c_msg = BIO_new_file(*(++argv), "w");
 846                         }
 847 #ifndef OPENSSL_NO_SSL_TRACE
 848                 else if (strcmp(*argv,"-trace") == 0)
 849                         c_msg=2;
 850 #endif
 851                 else if (strcmp(*argv,"-security_debug") == 0)
 852                         { sdebug=1; }
 853                 else if (strcmp(*argv,"-security_debug_verbose") == 0)
 854                         { sdebug=2; }
 855                 else if (strcmp(*argv,"-showcerts") == 0)
 856                         c_showcerts=1;
 857                 else if (strcmp(*argv,"-nbio_test") == 0)
 858                         nbio_test=1;
 859                 else if (strcmp(*argv,"-state") == 0)
 860                         state=1;
 861 #ifndef OPENSSL_NO_PSK
 862                 else if (strcmp(*argv,"-psk_identity") == 0)
 863                         {
 864                         if (--argc < 1) goto bad;
 865                         psk_identity=*(++argv);
 866                         }
 867                 else if (strcmp(*argv,"-psk") == 0)
 868                         {
 869                         size_t j;
 870
 871                         if (--argc < 1) goto bad;
 872                         psk_key=*(++argv);
 873                         for (j = 0; j < strlen(psk_key); j++)
 874                                 {
 875                                 if (isxdigit((unsigned char)psk_key[j]))
 876                                         continue;
 877                                 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv);
 878                                 goto bad;
 879                                 }
 880                         }
 881 #endif
 882 #ifndef OPENSSL_NO_SRP
 883                 else if (strcmp(*argv,"-srpuser") == 0)
 884                         {
 885                         if (--argc < 1) goto bad;
 886                         srp_arg.srplogin= *(++argv);
 887                         meth=TLSv1_client_method();
 888                         }
 889                 else if (strcmp(*argv,"-srppass") == 0)
 890                         {
 891                         if (--argc < 1) goto bad;
 892                         srppass= *(++argv);
 893                         meth=TLSv1_client_method();
 894                         }
 895                 else if (strcmp(*argv,"-srp_strength") == 0)
 896                         {
 897                         if (--argc < 1) goto bad;
 898                         srp_arg.strength=atoi(*(++argv));
 899                         BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength);
 900                         meth=TLSv1_client_method();
 901                         }
 902                 else if (strcmp(*argv,"-srp_lateuser") == 0)
 903                         {
 904                         srp_lateuser= 1;
 905                         meth=TLSv1_client_method();
 906                         }
 907                 else if (strcmp(*argv,"-srp_moregroups") == 0)
 908                         {
 909                         srp_arg.amp=1;
 910                         meth=TLSv1_client_method();
 911                         }
 912 #endif
 913 #ifndef OPENSSL_NO_SSL3_METHOD
 914                 else if (strcmp(*argv,"-ssl3") == 0)
 915                         meth=SSLv3_client_method();
 916 #endif
 917 #ifndef OPENSSL_NO_TLS1
 918                 else if (strcmp(*argv,"-tls1_2") == 0)
 919                         meth=TLSv1_2_client_method();
 920                 else if (strcmp(*argv,"-tls1_1") == 0)
 921                         meth=TLSv1_1_client_method();
 922                 else if (strcmp(*argv,"-tls1") == 0)
 923                         meth=TLSv1_client_method();
 924 #endif
 925 #ifndef OPENSSL_NO_DTLS1
 926                 else if (strcmp(*argv,"-dtls") == 0)
 927                         {
 928                         meth=DTLS_client_method();
 929                         socket_type=SOCK_DGRAM;
 930                         }
 931                 else if (strcmp(*argv,"-dtls1") == 0)
 932                         {
 933                         meth=DTLSv1_client_method();
 934                         socket_type=SOCK_DGRAM;
 935                         }
 936                 else if (strcmp(*argv,"-dtls1_2") == 0)
 937                         {
 938                         meth=DTLSv1_2_client_method();
 939                         socket_type=SOCK_DGRAM;
 940                         }
 941                 else if (strcmp(*argv,"-timeout") == 0)
 942                         enable_timeouts=1;
 943                 else if (strcmp(*argv,"-mtu") == 0)
 944                         {
 945                         if (--argc < 1) goto bad;
 946                         socket_mtu = atol(*(++argv));
 947                         }
 948 #endif
 949                 else if (strcmp(*argv,"-fallback_scsv") == 0)
 950                         {
 951                         fallback_scsv = 1;
 952                         }
 953                 else if (strcmp(*argv,"-keyform") == 0)
 954                         {
 955                         if (--argc < 1) goto bad;
 956                         key_format = str2fmt(*(++argv));
 957                         }
 958                 else if (strcmp(*argv,"-pass") == 0)
 959                         {
 960                         if (--argc < 1) goto bad;
 961                         passarg = *(++argv);
 962                         }
 963                 else if (strcmp(*argv,"-cert_chain") == 0)
 964                         {
 965                         if (--argc < 1) goto bad;
 966                         chain_file= *(++argv);
 967                         }
 968                 else if (strcmp(*argv,"-key") == 0)
 969                         {
 970                         if (--argc < 1) goto bad;
 971                         key_file= *(++argv);
 972                         }
 973                 else if (strcmp(*argv,"-reconnect") == 0)
 974                         {
 975                         reconnect=5;
 976                         }
 977                 else if (strcmp(*argv,"-CApath") == 0)
 978                         {
 979                         if (--argc < 1) goto bad;
 980                         CApath= *(++argv);
 981                         }
 982                 else if (strcmp(*argv,"-chainCApath") == 0)
 983                         {
 984                         if (--argc < 1) goto bad;
 985                         chCApath= *(++argv);
 986                         }
 987                 else if (strcmp(*argv,"-verifyCApath") == 0)
 988                         {
 989                         if (--argc < 1) goto bad;
 990                         vfyCApath= *(++argv);
 991                         }
 992                 else if (strcmp(*argv,"-build_chain") == 0)
 993                         build_chain = 1;
 994                 else if (strcmp(*argv,"-CAfile") == 0)
 995                         {
 996                         if (--argc < 1) goto bad;
 997                         CAfile= *(++argv);
 998                         }
 999                 else if (strcmp(*argv,"-chainCAfile") == 0)
1000                         {
1001                         if (--argc < 1) goto bad;
1002                         chCAfile= *(++argv);
1003                         }
1004                 else if (strcmp(*argv,"-verifyCAfile") == 0)
1005                         {
1006                         if (--argc < 1) goto bad;
1007                         vfyCAfile= *(++argv);
1008                         }
1009 #ifndef OPENSSL_NO_TLSEXT
1010 # ifndef OPENSSL_NO_NEXTPROTONEG
1011                 else if (strcmp(*argv,"-nextprotoneg") == 0)
1012                         {
1013                         if (--argc < 1) goto bad;
1014                         next_proto_neg_in = *(++argv);
1015                         }
1016 # endif
1017                 else if (strcmp(*argv,"-alpn") == 0)
1018                         {
1019                         if (--argc < 1) goto bad;
1020                         alpn_in = *(++argv);
1021                         }
1022                 else if (strcmp(*argv,"-serverinfo") == 0)
1023                         {
1024                         char *c;
1025                         int start = 0;
1026                         int len;
1027
1028                         if (--argc < 1) goto bad;
1029                         c = *(++argv);
1030                         serverinfo_types_count = 0;
1031                         len = strlen(c);
1032                         for (i = 0; i <= len; ++i)
1033                                 {
1034                                 if (i == len || c[i] == ',')
1035                                         {
1036                                         serverinfo_types[serverinfo_types_count]
1037                                             = atoi(c+start);
1038                                         serverinfo_types_count++;
1039                                         start = i+1;
1040                                         }
1041                                 if (serverinfo_types_count == MAX_SI_TYPES)
1042                                         break;
1043                                 }
1044                         }
1045 #endif
1046 #ifdef FIONBIO
1047                 else if (strcmp(*argv,"-nbio") == 0)
1048                         { c_nbio=1; }
1049 #endif
1050                 else if (strcmp(*argv,"-starttls") == 0)
1051                         {
1052                         if (--argc < 1) goto bad;
1053                         ++argv;
1054                         if (strcmp(*argv,"smtp") == 0)
1055                                 starttls_proto = PROTO_SMTP;
1056                         else if (strcmp(*argv,"pop3") == 0)
1057                                 starttls_proto = PROTO_POP3;
1058                         else if (strcmp(*argv,"imap") == 0)
1059                                 starttls_proto = PROTO_IMAP;
1060                         else if (strcmp(*argv,"ftp") == 0)
1061                                 starttls_proto = PROTO_FTP;
1062                         else if (strcmp(*argv, "xmpp") == 0)
1063                                 starttls_proto = PROTO_XMPP;
1064                         else
1065                                 goto bad;
1066                         }
1067 #ifndef OPENSSL_NO_ENGINE
1068                 else if (strcmp(*argv,"-engine") == 0)
1069                         {
1070                         if (--argc < 1) goto bad;
1071                         engine_id = *(++argv);
1072                         }
1073                 else if (strcmp(*argv,"-ssl_client_engine") == 0)
1074                         {
1075                         if (--argc < 1) goto bad;
1076                         ssl_client_engine_id = *(++argv);
1077                         }
1078 #endif
1079                 else if (strcmp(*argv,"-rand") == 0)
1080                         {
1081                         if (--argc < 1) goto bad;
1082                         inrand= *(++argv);
1083                         }
1084 #ifndef OPENSSL_NO_TLSEXT
1085                 else if (strcmp(*argv,"-servername") == 0)
1086                         {
1087                         if (--argc < 1) goto bad;
1088                         servername= *(++argv);
1089                         /* meth=TLSv1_client_method(); */
1090                         }
1091 #endif
1092 #ifndef OPENSSL_NO_JPAKE
1093                 else if (strcmp(*argv,"-jpake") == 0)
1094                         {
1095                         if (--argc < 1) goto bad;
1096                         jpake_secret = *++argv;
1097                         }
1098 #endif
1099                 else if (strcmp(*argv,"-use_srtp") == 0)
1100                         {
1101                         if (--argc < 1) goto bad;
1102                         srtp_profiles = *(++argv);
1103                         }
1104                 else if (strcmp(*argv,"-keymatexport") == 0)
1105                         {
1106                         if (--argc < 1) goto bad;
1107                         keymatexportlabel= *(++argv);
1108                         }
1109                 else if (strcmp(*argv,"-keymatexportlen") == 0)
1110                         {
1111                         if (--argc < 1) goto bad;
1112                         keymatexportlen=atoi(*(++argv));
1113                         if (keymatexportlen == 0) goto bad;
1114                         }
1115                 else
1116                         {
1117                         BIO_printf(bio_err,"unknown option %s\n",*argv);
1118                         badop=1;
1119                         break;
1120                         }
1121                 argc--;
1122                 argv++;
1123                 }
1124         if (badop)
1125                 {
1126 bad:
1127                 sc_usage();
1128                 goto end;
1129                 }
1130
1131         if (unix_path && (socket_type != SOCK_STREAM))
1132                 {
1133                 BIO_printf(bio_err, "Can't use unix sockets and datagrams together\n");
1134                         goto end;
1135                 }
1136 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK)
1137         if (jpake_secret)
1138                 {
1139                 if (psk_key)
1140                         {
1141                         BIO_printf(bio_err,
1142                                    "Can't use JPAKE and PSK together\n");
1143                         goto end;
1144                         }
1145                 psk_identity = "JPAKE";
1146                 }
1147 #endif
1148
1149         OpenSSL_add_ssl_algorithms();
1150         SSL_load_error_strings();
1151
1152 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
1153         next_proto.status = -1;
1154         if (next_proto_neg_in)
1155                 {
1156                 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in);
1157                 if (next_proto.data == NULL)
1158                         {
1159                         BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n");
1160                         goto end;
1161                         }
1162                 }
1163         else
1164                 next_proto.data = NULL;
1165 #endif
1166
1167 #ifndef OPENSSL_NO_ENGINE
1168         e = setup_engine(bio_err, engine_id, 1);
1169         if (ssl_client_engine_id)
1170                 {
1171                 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id);
1172                 if (!ssl_client_engine)
1173                         {
1174                         BIO_printf(bio_err,
1175                                         "Error getting client auth engine\n");
1176                         goto end;
1177                         }
1178                 }
1179
1180 #endif
1181         if (!app_passwd(bio_err, passarg, NULL, &pass, NULL))
1182                 {
1183                 BIO_printf(bio_err, "Error getting password\n");
1184                 goto end;
1185                 }
1186
1187         if (key_file == NULL)
1188                 key_file = cert_file;
1189
1190
1191         if (key_file)
1192
1193                 {
1194
1195                 key = load_key(bio_err, key_file, key_format, 0, pass, e,
1196                                "client certificate private key file");
1197                 if (!key)
1198                         {
1199                         ERR_print_errors(bio_err);
1200                         goto end;
1201                         }
1202
1203                 }
1204
1205         if (cert_file)
1206
1207                 {
1208                 cert = load_cert(bio_err,cert_file,cert_format,
1209                                 NULL, e, "client certificate file");
1210
1211                 if (!cert)
1212                         {
1213                         ERR_print_errors(bio_err);
1214                         goto end;
1215                         }
1216                 }
1217
1218         if (chain_file)
1219                 {
1220                 chain = load_certs(bio_err, chain_file,FORMAT_PEM,
1221                                         NULL, e, "client certificate chain");
1222                 if (!chain)
1223                         goto end;
1224                 }
1225
1226         if (crl_file)
1227                 {
1228                 X509_CRL *crl;
1229                 crl = load_crl(crl_file, crl_format);
1230                 if (!crl)
1231                         {
1232                         BIO_puts(bio_err, "Error loading CRL\n");
1233                         ERR_print_errors(bio_err);
1234                         goto end;
1235                         }
1236                 crls = sk_X509_CRL_new_null();
1237                 if (!crls || !sk_X509_CRL_push(crls, crl))
1238                         {
1239                         BIO_puts(bio_err, "Error adding CRL\n");
1240                         ERR_print_errors(bio_err);
1241                         X509_CRL_free(crl);
1242                         goto end;
1243                         }
1244                 }
1245
1246         if (!load_excert(&exc, bio_err))
1247                 goto end;
1248
1249         if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL
1250                 && !RAND_status())
1251                 {
1252                 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n");
1253                 }
1254         if (inrand != NULL)
1255                 BIO_printf(bio_err,"%ld semi-random bytes loaded\n",
1256                         app_RAND_load_files(inrand));
1257
1258         if (bio_c_out == NULL)
1259                 {
1260                 if (c_quiet && !c_debug)
1261                         {
1262                         bio_c_out=BIO_new(BIO_s_null());
1263                         if (c_msg && !bio_c_msg)
1264                                 bio_c_msg=BIO_new_fp(stdout,BIO_NOCLOSE);
1265                         }
1266                 else
1267                         {
1268                         if (bio_c_out == NULL)
1269                                 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE);
1270                         }
1271                 }
1272
1273 #ifndef OPENSSL_NO_SRP
1274         if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL))
1275                 {
1276                 BIO_printf(bio_err, "Error getting password\n");
1277                 goto end;
1278                 }
1279 #endif
1280
1281         ctx=SSL_CTX_new(meth);
1282         if (ctx == NULL)
1283                 {
1284                 ERR_print_errors(bio_err);
1285                 goto end;
1286                 }
1287
1288         if (sdebug)
1289                 ssl_ctx_security_debug(ctx, bio_err, sdebug);
1290
1291         if (vpm)
1292                 SSL_CTX_set1_param(ctx, vpm);
1293
1294         if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake))
1295                 {
1296                 ERR_print_errors(bio_err);
1297                 goto end;
1298                 }
1299
1300         if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile,
1301                                                 crls, crl_download))
1302                 {
1303                 BIO_printf(bio_err, "Error loading store locations\n");
1304                 ERR_print_errors(bio_err);
1305                 goto end;
1306                 }
1307
1308 #ifndef OPENSSL_NO_ENGINE
1309         if (ssl_client_engine)
1310                 {
1311                 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine))
1312                         {
1313                         BIO_puts(bio_err, "Error setting client auth engine\n");
1314                         ERR_print_errors(bio_err);
1315                         ENGINE_free(ssl_client_engine);
1316                         goto end;
1317                         }
1318                 ENGINE_free(ssl_client_engine);
1319                 }
1320 #endif
1321
1322 #ifndef OPENSSL_NO_PSK
1323 #ifdef OPENSSL_NO_JPAKE
1324         if (psk_key != NULL)
1325 #else
1326         if (psk_key != NULL || jpake_secret)
1327 #endif
1328                 {
1329                 if (c_debug)
1330                         BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n");
1331                 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb);
1332                 }
1333         if (srtp_profiles != NULL)
1334                 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles);
1335 #endif
1336         if (exc) ssl_ctx_set_excert(ctx, exc);
1337         /* DTLS: partial reads end up discarding unread UDP bytes :-(
1338          * Setting read ahead solves this problem.
1339          */
1340         if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1);
1341
1342 #if !defined(OPENSSL_NO_TLSEXT)
1343 # if !defined(OPENSSL_NO_NEXTPROTONEG)
1344         if (next_proto.data)
1345                 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto);
1346 # endif
1347         if (alpn_in)
1348                 {
1349                 unsigned short alpn_len;
1350                 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in);
1351
1352                 if (alpn == NULL)
1353                         {
1354                         BIO_printf(bio_err, "Error parsing -alpn argument\n");
1355                         goto end;
1356                         }
1357                 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len);
1358                 OPENSSL_free(alpn);
1359                 }
1360 #endif
1361 #ifndef OPENSSL_NO_TLSEXT
1362                 for (i = 0; i < serverinfo_types_count; i++)
1363                         {
1364                         SSL_CTX_add_client_custom_ext(ctx,
1365                                                       serverinfo_types[i],
1366                                                       NULL, NULL, NULL,
1367                                                       serverinfo_cli_parse_cb,
1368                                                       NULL);
1369                         }
1370 #endif
1371
1372         if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback);
1373 #if 0
1374         else
1375                 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER"));
1376 #endif
1377
1378         SSL_CTX_set_verify(ctx,verify,verify_callback);
1379
1380         if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) ||
1381                 (!SSL_CTX_set_default_verify_paths(ctx)))
1382                 {
1383                 /* BIO_printf(bio_err,"error setting default verify locations\n"); */
1384                 ERR_print_errors(bio_err);
1385                 /* goto end; */
1386                 }
1387
1388         ssl_ctx_add_crls(ctx, crls, crl_download);
1389
1390         if (!set_cert_key_stuff(ctx,cert,key,chain,build_chain))
1391                 goto end;
1392
1393 #ifndef OPENSSL_NO_TLSEXT
1394         if (servername != NULL)
1395                 {
1396                 tlsextcbp.biodebug = bio_err;
1397                 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb);
1398                 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp);
1399                 }
1400 #ifndef OPENSSL_NO_SRP
1401         if (srp_arg.srplogin)
1402                 {
1403                 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin))
1404                         {
1405                         BIO_printf(bio_err,"Unable to set SRP username\n");
1406                         goto end;
1407                         }
1408                 srp_arg.msg = c_msg;
1409                 srp_arg.debug = c_debug ;
1410                 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg);
1411                 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb);
1412                 SSL_CTX_set_srp_strength(ctx, srp_arg.strength);
1413                 if (c_msg || c_debug || srp_arg.amp == 0)
1414                         SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb);
1415                 }
1416
1417 #endif
1418 #endif
1419
1420         con=SSL_new(ctx);
1421         if (sess_in)
1422                 {
1423                 SSL_SESSION *sess;
1424                 BIO *stmp = BIO_new_file(sess_in, "r");
1425                 if (!stmp)
1426                         {
1427                         BIO_printf(bio_err, "Can't open session file %s\n",
1428                                                 sess_in);
1429                         ERR_print_errors(bio_err);
1430                         goto end;
1431                         }
1432                 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL);
1433                 BIO_free(stmp);
1434                 if (!sess)
1435                         {
1436                         BIO_printf(bio_err, "Can't open session file %s\n",
1437                                                 sess_in);
1438                         ERR_print_errors(bio_err);
1439                         goto end;
1440                         }
1441                 SSL_set_session(con, sess);
1442                 SSL_SESSION_free(sess);
1443                 }
1444
1445         if (fallback_scsv)
1446                 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV);
1447
1448 #ifndef OPENSSL_NO_TLSEXT
1449         if (servername != NULL)
1450                 {
1451                 if (!SSL_set_tlsext_host_name(con,servername))
1452                         {
1453                         BIO_printf(bio_err,"Unable to set TLS servername extension.\n");
1454                         ERR_print_errors(bio_err);
1455                         goto end;
1456                         }
1457                 }
1458 #endif
1459 #ifndef OPENSSL_NO_KRB5
1460         if (con  &&  (kctx = kssl_ctx_new()) != NULL)
1461                 {
1462                 SSL_set0_kssl_ctx(con, kctx);
1463                 kssl_ctx_setstring(kctx, KSSL_SERVER, host);
1464                 }
1465 #endif  /* OPENSSL_NO_KRB5  */
1466 /*      SSL_set_cipher_list(con,"RC4-MD5"); */
1467 #if 0
1468 #ifdef TLSEXT_TYPE_opaque_prf_input
1469         SSL_set_tlsext_opaque_prf_input(con, "Test client", 11);
1470 #endif
1471 #endif
1472
1473 re_start:
1474 #ifdef NO_SYS_UN_H
1475         if (init_client(&s,host,port,socket_type) == 0)
1476 #else
1477         if ((!unix_path && (init_client(&s,host,port,socket_type) == 0)) ||
1478                         (unix_path && (init_client_unix(&s,unix_path) == 0)))
1479 #endif
1480                 {
1481                 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error());
1482                 SHUTDOWN(s);
1483                 goto end;
1484                 }
1485         BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s);
1486
1487 #ifdef FIONBIO
1488         if (c_nbio)
1489                 {
1490                 unsigned long l=1;
1491                 BIO_printf(bio_c_out,"turning on non blocking io\n");
1492                 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0)
1493                         {
1494                         ERR_print_errors(bio_err);
1495                         goto end;
1496                         }
1497                 }
1498 #endif
1499         if (c_Pause & 0x01) SSL_set_debug(con, 1);
1500
1501         if (socket_type == SOCK_DGRAM)
1502                 {
1503
1504                 sbio=BIO_new_dgram(s,BIO_NOCLOSE);
1505                 if (getsockname(s, &peer, (void *)&peerlen) < 0)
1506                         {
1507                         BIO_printf(bio_err, "getsockname:errno=%d\n",
1508                                 get_last_socket_error());
1509                         SHUTDOWN(s);
1510                         goto end;
1511                         }
1512
1513                 (void)BIO_ctrl_set_connected(sbio, 1, &peer);
1514
1515                 if (enable_timeouts)
1516                         {
1517                         timeout.tv_sec = 0;
1518                         timeout.tv_usec = DGRAM_RCV_TIMEOUT;
1519                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout);
1520
1521                         timeout.tv_sec = 0;
1522                         timeout.tv_usec = DGRAM_SND_TIMEOUT;
1523                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout);
1524                         }
1525
1526                 if (socket_mtu)
1527                         {
1528                         if(socket_mtu < DTLS_get_link_min_mtu(con))
1529                                 {
1530                                 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n",
1531                                         DTLS_get_link_min_mtu(con));
1532                                 BIO_free(sbio);
1533                                 goto shut;
1534                                 }
1535                         SSL_set_options(con, SSL_OP_NO_QUERY_MTU);
1536                         if(!DTLS_set_link_mtu(con, socket_mtu))
1537                                 {
1538                                 BIO_printf(bio_err, "Failed to set MTU\n");
1539                                 BIO_free(sbio);
1540                                 goto shut;
1541                                 }
1542                         }
1543                 else
1544                         /* want to do MTU discovery */
1545                         BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL);
1546                 }
1547         else
1548                 sbio=BIO_new_socket(s,BIO_NOCLOSE);
1549
1550         if (nbio_test)
1551                 {
1552                 BIO *test;
1553
1554                 test=BIO_new(BIO_f_nbio_test());
1555                 sbio=BIO_push(test,sbio);
1556                 }
1557
1558         if (c_debug)
1559                 {
1560                 SSL_set_debug(con, 1);
1561                 BIO_set_callback(sbio,bio_dump_callback);
1562                 BIO_set_callback_arg(sbio,(char *)bio_c_out);
1563                 }
1564         if (c_msg)
1565                 {
1566 #ifndef OPENSSL_NO_SSL_TRACE
1567                 if (c_msg == 2)
1568                         SSL_set_msg_callback(con, SSL_trace);
1569                 else
1570 #endif
1571                         SSL_set_msg_callback(con, msg_cb);
1572                 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out);
1573                 }
1574 #ifndef OPENSSL_NO_TLSEXT
1575         if (c_tlsextdebug)
1576                 {
1577                 SSL_set_tlsext_debug_callback(con, tlsext_cb);
1578                 SSL_set_tlsext_debug_arg(con, bio_c_out);
1579                 }
1580         if (c_status_req)
1581                 {
1582                 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp);
1583                 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb);
1584                 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out);
1585 #if 0
1586 {
1587 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null();
1588 OCSP_RESPID *id = OCSP_RESPID_new();
1589 id->value.byKey = ASN1_OCTET_STRING_new();
1590 id->type = V_OCSP_RESPID_KEY;
1591 ASN1_STRING_set(id->value.byKey, "Hello World", -1);
1592 sk_OCSP_RESPID_push(ids, id);
1593 SSL_set_tlsext_status_ids(con, ids);
1594 }
1595 #endif
1596                 }
1597 #endif
1598 #ifndef OPENSSL_NO_JPAKE
1599         if (jpake_secret)
1600                 jpake_client_auth(bio_c_out, sbio, jpake_secret);
1601 #endif
1602
1603         SSL_set_bio(con,sbio,sbio);
1604         SSL_set_connect_state(con);
1605
1606         /* ok, lets connect */
1607         width=SSL_get_fd(con)+1;
1608
1609         read_tty=1;
1610         write_tty=0;
1611         tty_on=0;
1612         read_ssl=1;
1613         write_ssl=1;
1614
1615         cbuf_len=0;
1616         cbuf_off=0;
1617         sbuf_len=0;
1618         sbuf_off=0;
1619
1620         /* This is an ugly hack that does a lot of assumptions */
1621         /* We do have to handle multi-line responses which may come
1622            in a single packet or not. We therefore have to use
1623            BIO_gets() which does need a buffering BIO. So during
1624            the initial chitchat we do push a buffering BIO into the
1625            chain that is removed again later on to not disturb the
1626            rest of the s_client operation. */
1627         if (starttls_proto == PROTO_SMTP)
1628                 {
1629                 int foundit=0;
1630                 BIO *fbio = BIO_new(BIO_f_buffer());
1631                 BIO_push(fbio, sbio);
1632                 /* wait for multi-line response to end from SMTP */
1633                 do
1634                         {
1635                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1636                         }
1637                 while (mbuf_len>3 && mbuf[3]=='-');
1638                 /* STARTTLS command requires EHLO... */
1639                 BIO_printf(fbio,"EHLO openssl.client.net\r\n");
1640                 (void)BIO_flush(fbio);
1641                 /* wait for multi-line response to end EHLO SMTP response */
1642                 do
1643                         {
1644                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1645                         if (strstr(mbuf,"STARTTLS"))
1646                                 foundit=1;
1647                         }
1648                 while (mbuf_len>3 && mbuf[3]=='-');
1649                 (void)BIO_flush(fbio);
1650                 BIO_pop(fbio);
1651                 BIO_free(fbio);
1652                 if (!foundit)
1653                         BIO_printf(bio_err,
1654                                    "didn't found starttls in server response,"
1655                                    " try anyway...\n");
1656                 BIO_printf(sbio,"STARTTLS\r\n");
1657                 BIO_read(sbio,sbuf,BUFSIZZ);
1658                 }
1659         else if (starttls_proto == PROTO_POP3)
1660                 {
1661                 BIO_read(sbio,mbuf,BUFSIZZ);
1662                 BIO_printf(sbio,"STLS\r\n");
1663                 BIO_read(sbio,sbuf,BUFSIZZ);
1664                 }
1665         else if (starttls_proto == PROTO_IMAP)
1666                 {
1667                 int foundit=0;
1668                 BIO *fbio = BIO_new(BIO_f_buffer());
1669                 BIO_push(fbio, sbio);
1670                 BIO_gets(fbio,mbuf,BUFSIZZ);
1671                 /* STARTTLS command requires CAPABILITY... */
1672                 BIO_printf(fbio,". CAPABILITY\r\n");
1673                 (void)BIO_flush(fbio);
1674                 /* wait for multi-line CAPABILITY response */
1675                 do
1676                         {
1677                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1678                         if (strstr(mbuf,"STARTTLS"))
1679                                 foundit=1;
1680                         }
1681                 while (mbuf_len>3 && mbuf[0]!='.');
1682                 (void)BIO_flush(fbio);
1683                 BIO_pop(fbio);
1684                 BIO_free(fbio);
1685                 if (!foundit)
1686                         BIO_printf(bio_err,
1687                                    "didn't found STARTTLS in server response,"
1688                                    " try anyway...\n");
1689                 BIO_printf(sbio,". STARTTLS\r\n");
1690                 BIO_read(sbio,sbuf,BUFSIZZ);
1691                 }
1692         else if (starttls_proto == PROTO_FTP)
1693                 {
1694                 BIO *fbio = BIO_new(BIO_f_buffer());
1695                 BIO_push(fbio, sbio);
1696                 /* wait for multi-line response to end from FTP */
1697                 do
1698                         {
1699                         mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ);
1700                         }
1701                 while (mbuf_len>3 && mbuf[3]=='-');
1702                 (void)BIO_flush(fbio);
1703                 BIO_pop(fbio);
1704                 BIO_free(fbio);
1705                 BIO_printf(sbio,"AUTH TLS\r\n");
1706                 BIO_read(sbio,sbuf,BUFSIZZ);
1707                 }
1708         if (starttls_proto == PROTO_XMPP)
1709                 {
1710                 int seen = 0;
1711                 BIO_printf(sbio,"<stream:stream "
1712                     "xmlns:stream='http://etherx.jabber.org/streams' "
1713                     "xmlns='jabber:client' to='%s' version='1.0'>", xmpphost ?
1714                            xmpphost : host);
1715                 seen = BIO_read(sbio,mbuf,BUFSIZZ);
1716                 mbuf[seen] = 0;
1717                 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'") &&
1718                                 !strstr(mbuf, "<starttls xmlns=\"urn:ietf:params:xml:ns:xmpp-tls\""))
1719                         {
1720                         seen = BIO_read(sbio,mbuf,BUFSIZZ);
1721
1722                         if (seen <= 0)
1723                                 goto shut;
1724
1725                         mbuf[seen] = 0;
1726                         }
1727                 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>");
1728                 seen = BIO_read(sbio,sbuf,BUFSIZZ);
1729                 sbuf[seen] = 0;
1730                 if (!strstr(sbuf, "<proceed"))
1731                         goto shut;
1732                 mbuf[0] = 0;
1733                 }
1734
1735         for (;;)
1736                 {
1737                 FD_ZERO(&readfds);
1738                 FD_ZERO(&writefds);
1739
1740                 if ((SSL_version(con) == DTLS1_VERSION) &&
1741                         DTLSv1_get_timeout(con, &timeout))
1742                         timeoutp = &timeout;
1743                 else
1744                         timeoutp = NULL;
1745
1746                 if (SSL_in_init(con) && !SSL_total_renegotiations(con))
1747                         {
1748                         in_init=1;
1749                         tty_on=0;
1750                         }
1751                 else
1752                         {
1753                         tty_on=1;
1754                         if (in_init)
1755                                 {
1756                                 in_init=0;
1757 #if 0 /* This test doesn't really work as intended (needs to be fixed) */
1758 #ifndef OPENSSL_NO_TLSEXT
1759                                 if (servername != NULL && !SSL_session_reused(con))
1760                                         {
1761                                         BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not ");
1762                                         }
1763 #endif
1764 #endif
1765                                 if (sess_out)
1766                                         {
1767                                         BIO *stmp = BIO_new_file(sess_out, "w");
1768                                         if (stmp)
1769                                                 {
1770                                                 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con));
1771                                                 BIO_free(stmp);
1772                                                 }
1773                                         else
1774                                                 BIO_printf(bio_err, "Error writing session file %s\n", sess_out);
1775                                         }
1776                                 if (c_brief)
1777                                         {
1778                                         BIO_puts(bio_err,
1779                                                 "CONNECTION ESTABLISHED\n");
1780                                         print_ssl_summary(bio_err, con);
1781                                         }
1782
1783                                 print_stuff(bio_c_out,con,full_log);
1784                                 if (full_log > 0) full_log--;
1785
1786                                 if (starttls_proto)
1787                                         {
1788                                         BIO_printf(bio_err,"%s",mbuf);
1789                                         /* We don't need to know any more */
1790                                         starttls_proto = PROTO_OFF;
1791                                         }
1792
1793                                 if (reconnect)
1794                                         {
1795                                         reconnect--;
1796                                         BIO_printf(bio_c_out,"drop connection and then reconnect\n");
1797                                         SSL_shutdown(con);
1798                                         SSL_set_connect_state(con);
1799                                         SHUTDOWN(SSL_get_fd(con));
1800                                         goto re_start;
1801                                         }
1802                                 }
1803                         }
1804
1805                 ssl_pending = read_ssl && SSL_pending(con);
1806
1807                 if (!ssl_pending)
1808                         {
1809 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5)
1810                         if (tty_on)
1811                                 {
1812                                 if (read_tty)  openssl_fdset(fileno(stdin),&readfds);
1813                                 if (write_tty) openssl_fdset(fileno(stdout),&writefds);
1814                                 }
1815                         if (read_ssl)
1816                                 openssl_fdset(SSL_get_fd(con),&readfds);
1817                         if (write_ssl)
1818                                 openssl_fdset(SSL_get_fd(con),&writefds);
1819 #else
1820                         if(!tty_on || !write_tty) {
1821                                 if (read_ssl)
1822                                         openssl_fdset(SSL_get_fd(con),&readfds);
1823                                 if (write_ssl)
1824                                         openssl_fdset(SSL_get_fd(con),&writefds);
1825                         }
1826 #endif
1827 /*                      printf("mode tty(%d %d%d) ssl(%d%d)\n",
1828                                 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/
1829
1830                         /* Note: under VMS with SOCKETSHR the second parameter
1831                          * is currently of type (int *) whereas under other
1832                          * systems it is (void *) if you don't have a cast it
1833                          * will choke the compiler: if you do have a cast then
1834                          * you can either go for (int *) or (void *).
1835                          */
1836 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
1837                         /* Under Windows/DOS we make the assumption that we can
1838                          * always write to the tty: therefore if we need to
1839                          * write to the tty we just fall through. Otherwise
1840                          * we timeout the select every second and see if there
1841                          * are any keypresses. Note: this is a hack, in a proper
1842                          * Windows application we wouldn't do this.
1843                          */
1844                         i=0;
1845                         if(!write_tty) {
1846                                 if(read_tty) {
1847                                         tv.tv_sec = 1;
1848                                         tv.tv_usec = 0;
1849                                         i=select(width,(void *)&readfds,(void *)&writefds,
1850                                                  NULL,&tv);
1851 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
1852                                         if(!i && (!_kbhit() || !read_tty) ) continue;
1853 #else
1854                                         if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue;
1855 #endif
1856                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1857                                          NULL,timeoutp);
1858                         }
1859 #elif defined(OPENSSL_SYS_NETWARE)
1860                         if(!write_tty) {
1861                                 if(read_tty) {
1862                                         tv.tv_sec = 1;
1863                                         tv.tv_usec = 0;
1864                                         i=select(width,(void *)&readfds,(void *)&writefds,
1865                                                 NULL,&tv);
1866                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1867                                         NULL,timeoutp);
1868                         }
1869 #elif defined(OPENSSL_SYS_BEOS_R5)
1870                         /* Under BeOS-R5 the situation is similar to DOS */
1871                         i=0;
1872                         stdin_set = 0;
1873                         (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK);
1874                         if(!write_tty) {
1875                                 if(read_tty) {
1876                                         tv.tv_sec = 1;
1877                                         tv.tv_usec = 0;
1878                                         i=select(width,(void *)&readfds,(void *)&writefds,
1879                                                  NULL,&tv);
1880                                         if (read(fileno(stdin), sbuf, 0) >= 0)
1881                                                 stdin_set = 1;
1882                                         if (!i && (stdin_set != 1 || !read_tty))
1883                                                 continue;
1884                                 } else  i=select(width,(void *)&readfds,(void *)&writefds,
1885                                          NULL,timeoutp);
1886                         }
1887                         (void)fcntl(fileno(stdin), F_SETFL, 0);
1888 #else
1889                         i=select(width,(void *)&readfds,(void *)&writefds,
1890                                  NULL,timeoutp);
1891 #endif
1892                         if ( i < 0)
1893                                 {
1894                                 BIO_printf(bio_err,"bad select %d\n",
1895                                 get_last_socket_error());
1896                                 goto shut;
1897                                 /* goto end; */
1898                                 }
1899                         }
1900
1901                 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
1902                         {
1903                         BIO_printf(bio_err,"TIMEOUT occurred\n");
1904                         }
1905
1906                 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))
1907                         {
1908                         k=SSL_write(con,&(cbuf[cbuf_off]),
1909                                 (unsigned int)cbuf_len);
1910                         switch (SSL_get_error(con,k))
1911                                 {
1912                         case SSL_ERROR_NONE:
1913                                 cbuf_off+=k;
1914                                 cbuf_len-=k;
1915                                 if (k <= 0) goto end;
1916                                 /* we have done a  write(con,NULL,0); */
1917                                 if (cbuf_len <= 0)
1918                                         {
1919                                         read_tty=1;
1920                                         write_ssl=0;
1921                                         }
1922                                 else /* if (cbuf_len > 0) */
1923                                         {
1924                                         read_tty=0;
1925                                         write_ssl=1;
1926                                         }
1927                                 break;
1928                         case SSL_ERROR_WANT_WRITE:
1929                                 BIO_printf(bio_c_out,"write W BLOCK\n");
1930                                 write_ssl=1;
1931                                 read_tty=0;
1932                                 break;
1933                         case SSL_ERROR_WANT_READ:
1934                                 BIO_printf(bio_c_out,"write R BLOCK\n");
1935                                 write_tty=0;
1936                                 read_ssl=1;
1937                                 write_ssl=0;
1938                                 break;
1939                         case SSL_ERROR_WANT_X509_LOOKUP:
1940                                 BIO_printf(bio_c_out,"write X BLOCK\n");
1941                                 break;
1942                         case SSL_ERROR_ZERO_RETURN:
1943                                 if (cbuf_len != 0)
1944                                         {
1945                                         BIO_printf(bio_c_out,"shutdown\n");
1946                                         ret = 0;
1947                                         goto shut;
1948                                         }
1949                                 else
1950                                         {
1951                                         read_tty=1;
1952                                         write_ssl=0;
1953                                         break;
1954                                         }
1955
1956                         case SSL_ERROR_SYSCALL:
1957                                 if ((k != 0) || (cbuf_len != 0))
1958                                         {
1959                                         BIO_printf(bio_err,"write:errno=%d\n",
1960                                                 get_last_socket_error());
1961                                         goto shut;
1962                                         }
1963                                 else
1964                                         {
1965                                         read_tty=1;
1966                                         write_ssl=0;
1967                                         }
1968                                 break;
1969                         case SSL_ERROR_SSL:
1970                                 ERR_print_errors(bio_err);
1971                                 goto shut;
1972                                 }
1973                         }
1974 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5)
1975                 /* Assume Windows/DOS/BeOS can always write */
1976                 else if (!ssl_pending && write_tty)
1977 #else
1978                 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds))
1979 #endif
1980                         {
1981 #ifdef CHARSET_EBCDIC
1982                         ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len);
1983 #endif
1984                         i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len);
1985
1986                         if (i <= 0)
1987                                 {
1988                                 BIO_printf(bio_c_out,"DONE\n");
1989                                 ret = 0;
1990                                 goto shut;
1991                                 /* goto end; */
1992                                 }
1993
1994                         sbuf_len-=i;;
1995                         sbuf_off+=i;
1996                         if (sbuf_len <= 0)
1997                                 {
1998                                 read_ssl=1;
1999                                 write_tty=0;
2000                                 }
2001                         }
2002                 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds))
2003                         {
2004 #ifdef RENEG
2005 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } }
2006 #endif
2007 #if 1
2008                         k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ );
2009 #else
2010 /* Demo for pending and peek :-) */
2011                         k=SSL_read(con,sbuf,16);
2012 { char zbuf[10240];
2013 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240));
2014 }
2015 #endif
2016
2017                         switch (SSL_get_error(con,k))
2018                                 {
2019                         case SSL_ERROR_NONE:
2020                                 if (k <= 0)
2021                                         goto end;
2022                                 sbuf_off=0;
2023                                 sbuf_len=k;
2024
2025                                 read_ssl=0;
2026                                 write_tty=1;
2027                                 break;
2028                         case SSL_ERROR_WANT_WRITE:
2029                                 BIO_printf(bio_c_out,"read W BLOCK\n");
2030                                 write_ssl=1;
2031                                 read_tty=0;
2032                                 break;
2033                         case SSL_ERROR_WANT_READ:
2034                                 BIO_printf(bio_c_out,"read R BLOCK\n");
2035                                 write_tty=0;
2036                                 read_ssl=1;
2037                                 if ((read_tty == 0) && (write_ssl == 0))
2038                                         write_ssl=1;
2039                                 break;
2040                         case SSL_ERROR_WANT_X509_LOOKUP:
2041                                 BIO_printf(bio_c_out,"read X BLOCK\n");
2042                                 break;
2043                         case SSL_ERROR_SYSCALL:
2044                                 ret=get_last_socket_error();
2045                                 if (c_brief)
2046                                         BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n");
2047                                 else
2048                                         BIO_printf(bio_err,"read:errno=%d\n",ret);
2049                                 goto shut;
2050                         case SSL_ERROR_ZERO_RETURN:
2051                                 BIO_printf(bio_c_out,"closed\n");
2052                                 ret=0;
2053                                 goto shut;
2054                         case SSL_ERROR_SSL:
2055                                 ERR_print_errors(bio_err);
2056                                 goto shut;
2057                                 /* break; */
2058                                 }
2059                         }
2060
2061 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)
2062 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS)
2063                 else if (_kbhit())
2064 #else
2065                 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0)))
2066 #endif
2067 #elif defined (OPENSSL_SYS_NETWARE)
2068                 else if (_kbhit())
2069 #elif defined(OPENSSL_SYS_BEOS_R5)
2070                 else if (stdin_set)
2071 #else
2072                 else if (FD_ISSET(fileno(stdin),&readfds))
2073 #endif
2074                         {
2075                         if (crlf)
2076                                 {
2077                                 int j, lf_num;
2078
2079                                 i=raw_read_stdin(cbuf,BUFSIZZ/2);
2080                                 lf_num = 0;
2081                                 /* both loops are skipped when i <= 0 */
2082                                 for (j = 0; j < i; j++)
2083                                         if (cbuf[j] == '\n')
2084                                                 lf_num++;
2085                                 for (j = i-1; j >= 0; j--)
2086                                         {
2087                                         cbuf[j+lf_num] = cbuf[j];
2088                                         if (cbuf[j] == '\n')
2089                                                 {
2090                                                 lf_num--;
2091                                                 i++;
2092                                                 cbuf[j+lf_num] = '\r';
2093                                                 }
2094                                         }
2095                                 assert(lf_num == 0);
2096                                 }
2097                         else
2098                                 i=raw_read_stdin(cbuf,BUFSIZZ);
2099
2100                         if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q')))
2101                                 {
2102                                 BIO_printf(bio_err,"DONE\n");
2103                                 ret=0;
2104                                 goto shut;
2105                                 }
2106
2107                         if ((!c_ign_eof) && (cbuf[0] == 'R'))
2108                                 {
2109                                 BIO_printf(bio_err,"RENEGOTIATING\n");
2110                                 SSL_renegotiate(con);
2111                                 cbuf_len=0;
2112                                 }
2113 #ifndef OPENSSL_NO_HEARTBEATS
2114                         else if ((!c_ign_eof) && (cbuf[0] == 'B'))
2115                                 {
2116                                 BIO_printf(bio_err,"HEARTBEATING\n");
2117                                 SSL_heartbeat(con);
2118                                 cbuf_len=0;
2119                                 }
2120 #endif
2121                         else
2122                                 {
2123                                 cbuf_len=i;
2124                                 cbuf_off=0;
2125 #ifdef CHARSET_EBCDIC
2126                                 ebcdic2ascii(cbuf, cbuf, i);
2127 #endif
2128                                 }
2129
2130                         write_ssl=1;
2131                         read_tty=0;
2132                         }
2133                 }
2134
2135         ret=0;
2136 shut:
2137         if (in_init)
2138                 print_stuff(bio_c_out,con,full_log);
2139         SSL_shutdown(con);
2140         SHUTDOWN(SSL_get_fd(con));
2141 end:
2142         if (con != NULL)
2143                 {
2144                 if (prexit != 0)
2145                         print_stuff(bio_c_out,con,1);
2146                 SSL_free(con);
2147                 }
2148 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG)
2149         if (next_proto.data)
2150                 OPENSSL_free(next_proto.data);
2151 #endif
2152         if (ctx != NULL) SSL_CTX_free(ctx);
2153         if (cert)
2154                 X509_free(cert);
2155         if (crls)
2156                 sk_X509_CRL_pop_free(crls, X509_CRL_free);
2157         if (key)
2158                 EVP_PKEY_free(key);
2159         if (chain)
2160                 sk_X509_pop_free(chain, X509_free);
2161         if (pass)
2162                 OPENSSL_free(pass);
2163         if (vpm)
2164                 X509_VERIFY_PARAM_free(vpm);
2165         ssl_excert_free(exc);
2166         if (ssl_args)
2167                 sk_OPENSSL_STRING_free(ssl_args);
2168         if (cctx)
2169                 SSL_CONF_CTX_free(cctx);
2170 #ifndef OPENSSL_NO_JPAKE
2171         if (jpake_secret && psk_key)
2172                 OPENSSL_free(psk_key);
2173 #endif
2174         if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); }
2175         if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); }
2176         if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); }
2177         if (bio_c_out != NULL)
2178                 {
2179                 BIO_free(bio_c_out);
2180                 bio_c_out=NULL;
2181                 }
2182         if (bio_c_msg != NULL)
2183                 {
2184                 BIO_free(bio_c_msg);
2185                 bio_c_msg=NULL;
2186                 }
2187         apps_shutdown();
2188         OPENSSL_EXIT(ret);
2189         }
2190
2191
2192 static void print_stuff(BIO *bio, SSL *s, int full)
2193         {
2194         X509 *peer=NULL;
2195         char buf[BUFSIZ];
2196         STACK_OF(X509) *sk;
2197         STACK_OF(X509_NAME) *sk2;
2198         const SSL_CIPHER *c;
2199         X509_NAME *xn;
2200         int i;
2201 #ifndef OPENSSL_NO_COMP
2202         const COMP_METHOD *comp, *expansion;
2203 #endif
2204         unsigned char *exportedkeymat;
2205
2206         if (full)
2207                 {
2208                 int got_a_chain = 0;
2209
2210                 sk=SSL_get_peer_cert_chain(s);
2211                 if (sk != NULL)
2212                         {
2213                         got_a_chain = 1; /* we don't have it for SSL2 (yet) */
2214
2215                         BIO_printf(bio,"---\nCertificate chain\n");
2216                         for (i=0; i<sk_X509_num(sk); i++)
2217                                 {
2218                                 X509_NAME_oneline(X509_get_subject_name(
2219                                         sk_X509_value(sk,i)),buf,sizeof buf);
2220                                 BIO_printf(bio,"%2d s:%s\n",i,buf);
2221                                 X509_NAME_oneline(X509_get_issuer_name(
2222                                         sk_X509_value(sk,i)),buf,sizeof buf);
2223                                 BIO_printf(bio,"   i:%s\n",buf);
2224                                 if (c_showcerts)
2225                                         PEM_write_bio_X509(bio,sk_X509_value(sk,i));
2226                                 }
2227                         }
2228
2229                 BIO_printf(bio,"---\n");
2230                 peer=SSL_get_peer_certificate(s);
2231                 if (peer != NULL)
2232                         {
2233                         BIO_printf(bio,"Server certificate\n");
2234                         if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */
2235                                 PEM_write_bio_X509(bio,peer);
2236                         X509_NAME_oneline(X509_get_subject_name(peer),
2237                                 buf,sizeof buf);
2238                         BIO_printf(bio,"subject=%s\n",buf);
2239                         X509_NAME_oneline(X509_get_issuer_name(peer),
2240                                 buf,sizeof buf);
2241                         BIO_printf(bio,"issuer=%s\n",buf);
2242                         }
2243                 else
2244                         BIO_printf(bio,"no peer certificate available\n");
2245
2246                 sk2=SSL_get_client_CA_list(s);
2247                 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0))
2248                         {
2249                         BIO_printf(bio,"---\nAcceptable client certificate CA names\n");
2250                         for (i=0; i<sk_X509_NAME_num(sk2); i++)
2251                                 {
2252                                 xn=sk_X509_NAME_value(sk2,i);
2253                                 X509_NAME_oneline(xn,buf,sizeof(buf));
2254                                 BIO_write(bio,buf,strlen(buf));
2255                                 BIO_write(bio,"\n",1);
2256                                 }
2257                         }
2258                 else
2259                         {
2260                         BIO_printf(bio,"---\nNo client certificate CA names sent\n");
2261                         }
2262
2263                 ssl_print_sigalgs(bio, s);
2264                 ssl_print_tmp_key(bio, s);
2265
2266                 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n",
2267                         BIO_number_read(SSL_get_rbio(s)),
2268                         BIO_number_written(SSL_get_wbio(s)));
2269                 }
2270         BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, "));
2271         c=SSL_get_current_cipher(s);
2272         BIO_printf(bio,"%s, Cipher is %s\n",
2273                 SSL_CIPHER_get_version(c),
2274                 SSL_CIPHER_get_name(c));
2275         if (peer != NULL) {
2276                 EVP_PKEY *pktmp;
2277                 pktmp = X509_get_pubkey(peer);
2278                 BIO_printf(bio,"Server public key is %d bit\n",
2279                                                          EVP_PKEY_bits(pktmp));
2280                 EVP_PKEY_free(pktmp);
2281         }
2282         BIO_printf(bio, "Secure Renegotiation IS%s supported\n",
2283                         SSL_get_secure_renegotiation_support(s) ? "" : " NOT");
2284 #ifndef OPENSSL_NO_COMP
2285         comp=SSL_get_current_compression(s);
2286         expansion=SSL_get_current_expansion(s);
2287         BIO_printf(bio,"Compression: %s\n",
2288                 comp ? SSL_COMP_get_name(comp) : "NONE");
2289         BIO_printf(bio,"Expansion: %s\n",
2290                 expansion ? SSL_COMP_get_name(expansion) : "NONE");
2291 #endif
2292
2293 #ifdef SSL_DEBUG
2294         {
2295         /* Print out local port of connection: useful for debugging */
2296         int sock;
2297         struct sockaddr_in ladd;
2298         socklen_t ladd_size = sizeof(ladd);
2299         sock = SSL_get_fd(s);
2300         getsockname(sock, (struct sockaddr *)&ladd, &ladd_size);
2301         BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port));
2302         }
2303 #endif
2304
2305 #if !defined(OPENSSL_NO_TLSEXT)
2306 # if !defined(OPENSSL_NO_NEXTPROTONEG)
2307         if (next_proto.status != -1) {
2308                 const unsigned char *proto;
2309                 unsigned int proto_len;
2310                 SSL_get0_next_proto_negotiated(s, &proto, &proto_len);
2311                 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status);
2312                 BIO_write(bio, proto, proto_len);
2313                 BIO_write(bio, "\n", 1);
2314         }
2315 # endif
2316         {
2317                 const unsigned char *proto;
2318                 unsigned int proto_len;
2319                 SSL_get0_alpn_selected(s, &proto, &proto_len);
2320                 if (proto_len > 0)
2321                         {
2322                         BIO_printf(bio, "ALPN protocol: ");
2323                         BIO_write(bio, proto, proto_len);
2324                         BIO_write(bio, "\n", 1);
2325                         }
2326                 else
2327                         BIO_printf(bio, "No ALPN negotiated\n");
2328         }
2329 #endif
2330
2331         {
2332         SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s);
2333
2334         if(srtp_profile)
2335                 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n",
2336                            srtp_profile->name);
2337         }
2338
2339         SSL_SESSION_print(bio,SSL_get_session(s));
2340         if (keymatexportlabel != NULL)
2341                 {
2342                 BIO_printf(bio, "Keying material exporter:\n");
2343                 BIO_printf(bio, "    Label: '%s'\n", keymatexportlabel);
2344                 BIO_printf(bio, "    Length: %i bytes\n", keymatexportlen);
2345                 exportedkeymat = OPENSSL_malloc(keymatexportlen);
2346                 if (exportedkeymat != NULL)
2347                         {
2348                         if (!SSL_export_keying_material(s, exportedkeymat,
2349                                                         keymatexportlen,
2350                                                         keymatexportlabel,
2351                                                         strlen(keymatexportlabel),
2352                                                         NULL, 0, 0))
2353                                 {
2354                                 BIO_printf(bio, "    Error\n");
2355                                 }
2356                         else
2357                                 {
2358                                 BIO_printf(bio, "    Keying material: ");
2359                                 for (i=0; i<keymatexportlen; i++)
2360                                         BIO_printf(bio, "%02X",
2361                                                    exportedkeymat[i]);
2362                                 BIO_printf(bio, "\n");
2363                                 }
2364                         OPENSSL_free(exportedkeymat);
2365                         }
2366                 }
2367         BIO_printf(bio,"---\n");
2368         if (peer != NULL)
2369                 X509_free(peer);
2370         /* flush, or debugging output gets mixed with http response */
2371         (void)BIO_flush(bio);
2372         }
2373
2374 #ifndef OPENSSL_NO_TLSEXT
2375
2376 static int ocsp_resp_cb(SSL *s, void *arg)
2377         {
2378         const unsigned char *p;
2379         int len;
2380         OCSP_RESPONSE *rsp;
2381         len = SSL_get_tlsext_status_ocsp_resp(s, &p);
2382         BIO_puts(arg, "OCSP response: ");
2383         if (!p)
2384                 {
2385                 BIO_puts(arg, "no response sent\n");
2386                 return 1;
2387                 }
2388         rsp = d2i_OCSP_RESPONSE(NULL, &p, len);
2389         if (!rsp)
2390                 {
2391                 BIO_puts(arg, "response parse error\n");
2392                 BIO_dump_indent(arg, (char *)p, len, 4);
2393                 return 0;
2394                 }
2395         BIO_puts(arg, "\n======================================\n");
2396         OCSP_RESPONSE_print(arg, rsp, 0);
2397         BIO_puts(arg, "======================================\n");
2398         OCSP_RESPONSE_free(rsp);
2399         return 1;
2400         }
2401
2402 #endif