apps/s_client.c

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