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/* 149 * With IPv6, it looks like Digital has mixed up the proper order of 150 * recursive header file inclusion, resulting in the compiler complaining 151 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 152 * needed to have fileno() declared correctly... So let's define u_int 153 */ 154#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 155# define __U_INT 156typedef unsigned int u_int; 157#endif 158 159#define USE_SOCKETS 160#include "apps.h" 161#include <openssl/x509.h> 162#include <openssl/ssl.h> 163#include <openssl/err.h> 164#include <openssl/pem.h> 165#include <openssl/rand.h> 166#include <openssl/ocsp.h> 167#include <openssl/bn.h> 168#ifndef OPENSSL_NO_SRP 169# include <openssl/srp.h> 170#endif 171#include "s_apps.h" 172#include "timeouts.h" 173 174#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 175/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 176# undef FIONBIO 177#endif 178 179#if defined(OPENSSL_SYS_BEOS_R5) 180# include <fcntl.h> 181#endif 182 183#undef PROG 184#define PROG s_client_main 185 186/* 187 * #define SSL_HOST_NAME "www.netscape.com" 188 */ 189/* 190 * #define SSL_HOST_NAME "193.118.187.102" 191 */ 192#define SSL_HOST_NAME "localhost" 193 194/* no default cert. */ 195/* 196 * #define TEST_CERT "client.pem" 197 */ 198 199#undef BUFSIZZ 200#define BUFSIZZ 1024*8 201 202extern int verify_depth; 203extern int verify_error; 204extern int verify_return_error; 205extern int verify_quiet; 206 207#ifdef FIONBIO 208static int c_nbio = 0; 209#endif 210static int c_Pause = 0; 211static int c_debug = 0; 212#ifndef OPENSSL_NO_TLSEXT 213static int c_tlsextdebug = 0; 214static int c_status_req = 0; 215#endif 216static int c_msg = 0; 217static int c_showcerts = 0; 218 219static char *keymatexportlabel = NULL; 220static int keymatexportlen = 20; 221 222static void sc_usage(void); 223static void print_stuff(BIO *berr, SSL *con, int full); 224#ifndef OPENSSL_NO_TLSEXT 225static int ocsp_resp_cb(SSL *s, void *arg); 226#endif 227static BIO *bio_c_out = NULL; 228static BIO *bio_c_msg = NULL; 229static int c_quiet = 0; 230static int c_ign_eof = 0; 231static int c_brief = 0; 232 233#ifndef OPENSSL_NO_PSK 234/* Default PSK identity and key */ 235static char *psk_identity = "Client_identity"; 236/* 237 * char *psk_key=NULL; by default PSK is not used 238 */ 239 240static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 241 unsigned int max_identity_len, 242 unsigned char *psk, 243 unsigned int max_psk_len) 244{ 245 unsigned int psk_len = 0; 246 int ret; 247 BIGNUM *bn = NULL; 248 249 if (c_debug) 250 BIO_printf(bio_c_out, "psk_client_cb\n"); 251 if (!hint) { 252 /* no ServerKeyExchange message */ 253 if (c_debug) 254 BIO_printf(bio_c_out, 255 "NULL received PSK identity hint, continuing anyway\n"); 256 } else if (c_debug) 257 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 258 259 /* 260 * lookup PSK identity and PSK key based on the given identity hint here 261 */ 262 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 263 if (ret < 0 || (unsigned int)ret > max_identity_len) 264 goto out_err; 265 if (c_debug) 266 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, 267 ret); 268 ret = BN_hex2bn(&bn, psk_key); 269 if (!ret) { 270 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 271 psk_key); 272 if (bn) 273 BN_free(bn); 274 return 0; 275 } 276 277 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) { 278 BIO_printf(bio_err, 279 "psk buffer of callback is too small (%d) for key (%d)\n", 280 max_psk_len, BN_num_bytes(bn)); 281 BN_free(bn); 282 return 0; 283 } 284 285 psk_len = BN_bn2bin(bn, psk); 286 BN_free(bn); 287 if (psk_len == 0) 288 goto out_err; 289 290 if (c_debug) 291 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 292 293 return psk_len; 294 out_err: 295 if (c_debug) 296 BIO_printf(bio_err, "Error in PSK client callback\n"); 297 return 0; 298} 299#endif 300 301static void sc_usage(void) 302{ 303 BIO_printf(bio_err, "usage: s_client args\n"); 304 BIO_printf(bio_err, "\n"); 305 BIO_printf(bio_err, " -host host - use -connect instead\n"); 306 BIO_printf(bio_err, " -port port - use -connect instead\n"); 307 BIO_printf(bio_err, 308 " -connect host:port - who to connect to (default is %s:%s)\n", 309 SSL_HOST_NAME, PORT_STR); 310 BIO_printf(bio_err, 311 " -verify_host host - check peer certificate matches \"host\"\n"); 312 BIO_printf(bio_err, 313 " -verify_email email - check peer certificate matches \"email\"\n"); 314 BIO_printf(bio_err, 315 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 316 317 BIO_printf(bio_err, 318 " -verify arg - turn on peer certificate verification\n"); 319 BIO_printf(bio_err, 320 " -verify_return_error - return verification errors\n"); 321 BIO_printf(bio_err, 322 " -cert arg - certificate file to use, PEM format assumed\n"); 323 BIO_printf(bio_err, 324 " -certform arg - certificate format (PEM or DER) PEM default\n"); 325 BIO_printf(bio_err, 326 " -key arg - Private key file to use, in cert file if\n"); 327 BIO_printf(bio_err, " not specified but cert file is.\n"); 328 BIO_printf(bio_err, 329 " -keyform arg - key format (PEM or DER) PEM default\n"); 330 BIO_printf(bio_err, 331 " -pass arg - private key file pass phrase source\n"); 332 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 333 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 334 BIO_printf(bio_err, 335 " -no_alt_chains - only ever use the first certificate chain found\n"); 336 BIO_printf(bio_err, 337 " -reconnect - Drop and re-make the connection with the same Session-ID\n"); 338 BIO_printf(bio_err, 339 " -pause - sleep(1) after each read(2) and write(2) system call\n"); 340 BIO_printf(bio_err, 341 " -prexit - print session information even on connection failure\n"); 342 BIO_printf(bio_err, 343 " -showcerts - show all certificates in the chain\n"); 344 BIO_printf(bio_err, " -debug - extra output\n"); 345#ifdef WATT32 346 BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n"); 347#endif 348 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 349 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n"); 350 BIO_printf(bio_err, " -state - print the 'ssl' states\n"); 351#ifdef FIONBIO 352 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 353#endif 354 BIO_printf(bio_err, 355 " -crlf - convert LF from terminal into CRLF\n"); 356 BIO_printf(bio_err, " -quiet - no s_client output\n"); 357 BIO_printf(bio_err, 358 " -ign_eof - ignore input eof (default when -quiet)\n"); 359 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n"); 360#ifndef OPENSSL_NO_PSK 361 BIO_printf(bio_err, " -psk_identity arg - PSK identity\n"); 362 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 363# ifndef OPENSSL_NO_JPAKE 364 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 365# endif 366#endif 367#ifndef OPENSSL_NO_SRP 368 BIO_printf(bio_err, 369 " -srpuser user - SRP authentification for 'user'\n"); 370 BIO_printf(bio_err, " -srppass arg - password for 'user'\n"); 371 BIO_printf(bio_err, 372 " -srp_lateuser - SRP username into second ClientHello message\n"); 373 BIO_printf(bio_err, 374 " -srp_moregroups - Tolerate other than the known g N values.\n"); 375 BIO_printf(bio_err, 376 " -srp_strength int - minimal length in bits for N (default %d).\n", 377 SRP_MINIMAL_N); 378#endif 379 BIO_printf(bio_err, " -ssl2 - just use SSLv2\n"); 380#ifndef OPENSSL_NO_SSL3_METHOD 381 BIO_printf(bio_err, " -ssl3 - just use SSLv3\n"); 382#endif 383 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n"); 384 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n"); 385 BIO_printf(bio_err, " -tls1 - just use TLSv1\n"); 386 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n"); 387 BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 388 BIO_printf(bio_err, " -mtu - set the link layer MTU\n"); 389 BIO_printf(bio_err, 390 " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 391 BIO_printf(bio_err, 392 " -bugs - Switch on all SSL implementation bug workarounds\n"); 393 BIO_printf(bio_err, 394 " -serverpref - Use server's cipher preferences (only SSLv2)\n"); 395 BIO_printf(bio_err, 396 " -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 397 BIO_printf(bio_err, 398 " command to see what is available\n"); 399 BIO_printf(bio_err, 400 " -starttls prot - use the STARTTLS command before starting TLS\n"); 401 BIO_printf(bio_err, 402 " for those protocols that support it, where\n"); 403 BIO_printf(bio_err, 404 " 'prot' defines which one to assume. Currently,\n"); 405 BIO_printf(bio_err, 406 " only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 407 BIO_printf(bio_err, " are supported.\n"); 408#ifndef OPENSSL_NO_ENGINE 409 BIO_printf(bio_err, 410 " -engine id - Initialise and use the specified engine\n"); 411#endif 412 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 413 LIST_SEPARATOR_CHAR); 414 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n"); 415 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n"); 416#ifndef OPENSSL_NO_TLSEXT 417 BIO_printf(bio_err, 418 " -servername host - Set TLS extension servername in ClientHello\n"); 419 BIO_printf(bio_err, 420 " -tlsextdebug - hex dump of all TLS extensions received\n"); 421 BIO_printf(bio_err, 422 " -status - request certificate status from server\n"); 423 BIO_printf(bio_err, 424 " -no_ticket - disable use of RFC4507bis session tickets\n"); 425 BIO_printf(bio_err, 426 " -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n"); 427#endif 428#ifndef OPENSSL_NO_NEXTPROTONEG 429 BIO_printf(bio_err, 430 " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 431#endif 432 BIO_printf(bio_err, 433 " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n"); 434 BIO_printf(bio_err, 435 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 436#ifndef OPENSSL_NO_SRTP 437 BIO_printf(bio_err, 438 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 439#endif 440 BIO_printf(bio_err, 441 " -keymatexport label - Export keying material using label\n"); 442 BIO_printf(bio_err, 443 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 444} 445 446#ifndef OPENSSL_NO_TLSEXT 447 448/* This is a context that we pass to callbacks */ 449typedef struct tlsextctx_st { 450 BIO *biodebug; 451 int ack; 452} tlsextctx; 453 454static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 455{ 456 tlsextctx *p = (tlsextctx *) arg; 457 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 458 if (SSL_get_servername_type(s) != -1) 459 p->ack = !SSL_session_reused(s) && hn != NULL; 460 else 461 BIO_printf(bio_err, "Can't use SSL_get_servername\n"); 462 463 return SSL_TLSEXT_ERR_OK; 464} 465 466# ifndef OPENSSL_NO_SRP 467 468/* This is a context that we pass to all callbacks */ 469typedef struct srp_arg_st { 470 char *srppassin; 471 char *srplogin; 472 int msg; /* copy from c_msg */ 473 int debug; /* copy from c_debug */ 474 int amp; /* allow more groups */ 475 int strength /* minimal size for N */ ; 476} SRP_ARG; 477 478# define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 479 480static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 481{ 482 BN_CTX *bn_ctx = BN_CTX_new(); 483 BIGNUM *p = BN_new(); 484 BIGNUM *r = BN_new(); 485 int ret = 486 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 487 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 488 p != NULL && BN_rshift1(p, N) && 489 /* p = (N-1)/2 */ 490 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 491 r != NULL && 492 /* verify g^((N-1)/2) == -1 (mod N) */ 493 BN_mod_exp(r, g, p, N, bn_ctx) && 494 BN_add_word(r, 1) && BN_cmp(r, N) == 0; 495 496 if (r) 497 BN_free(r); 498 if (p) 499 BN_free(p); 500 if (bn_ctx) 501 BN_CTX_free(bn_ctx); 502 return ret; 503} 504 505/*- 506 * This callback is used here for two purposes: 507 * - extended debugging 508 * - making some primality tests for unknown groups 509 * The callback is only called for a non default group. 510 * 511 * An application does not need the call back at all if 512 * only the stanard groups are used. In real life situations, 513 * client and server already share well known groups, 514 * thus there is no need to verify them. 515 * Furthermore, in case that a server actually proposes a group that 516 * is not one of those defined in RFC 5054, it is more appropriate 517 * to add the group to a static list and then compare since 518 * primality tests are rather cpu consuming. 519 */ 520 521static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 522{ 523 SRP_ARG *srp_arg = (SRP_ARG *)arg; 524 BIGNUM *N = NULL, *g = NULL; 525 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 526 return 0; 527 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) { 528 BIO_printf(bio_err, "SRP parameters:\n"); 529 BIO_printf(bio_err, "\tN="); 530 BN_print(bio_err, N); 531 BIO_printf(bio_err, "\n\tg="); 532 BN_print(bio_err, g); 533 BIO_printf(bio_err, "\n"); 534 } 535 536 if (SRP_check_known_gN_param(g, N)) 537 return 1; 538 539 if (srp_arg->amp == 1) { 540 if (srp_arg->debug) 541 BIO_printf(bio_err, 542 "SRP param N and g are not known params, going to check deeper.\n"); 543 544 /* 545 * The srp_moregroups is a real debugging feature. Implementors 546 * should rather add the value to the known ones. The minimal size 547 * has already been tested. 548 */ 549 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g)) 550 return 1; 551 } 552 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 553 return 0; 554} 555 556# define PWD_STRLEN 1024 557 558static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 559{ 560 SRP_ARG *srp_arg = (SRP_ARG *)arg; 561 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1); 562 PW_CB_DATA cb_tmp; 563 int l; 564 565 if (!pass) { 566 BIO_printf(bio_err, "Malloc failure\n"); 567 return NULL; 568 } 569 570 cb_tmp.password = (char *)srp_arg->srppassin; 571 cb_tmp.prompt_info = "SRP user"; 572 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) { 573 BIO_printf(bio_err, "Can't read Password\n"); 574 OPENSSL_free(pass); 575 return NULL; 576 } 577 *(pass + l) = '\0'; 578 579 return pass; 580} 581 582# endif 583# ifndef OPENSSL_NO_SRTP 584char *srtp_profiles = NULL; 585# endif 586 587# ifndef OPENSSL_NO_NEXTPROTONEG 588/* This the context that we pass to next_proto_cb */ 589typedef struct tlsextnextprotoctx_st { 590 unsigned char *data; 591 unsigned short len; 592 int status; 593} tlsextnextprotoctx; 594 595static tlsextnextprotoctx next_proto; 596 597static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, 598 const unsigned char *in, unsigned int inlen, 599 void *arg) 600{ 601 tlsextnextprotoctx *ctx = arg; 602 603 if (!c_quiet) { 604 /* We can assume that |in| is syntactically valid. */ 605 unsigned i; 606 BIO_printf(bio_c_out, "Protocols advertised by server: "); 607 for (i = 0; i < inlen;) { 608 if (i) 609 BIO_write(bio_c_out, ", ", 2); 610 BIO_write(bio_c_out, &in[i + 1], in[i]); 611 i += in[i] + 1; 612 } 613 BIO_write(bio_c_out, "\n", 1); 614 } 615 616 ctx->status = 617 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 618 return SSL_TLSEXT_ERR_OK; 619} 620# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 621 622static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type, 623 const unsigned char *in, size_t inlen, 624 int *al, void *arg) 625{ 626 char pem_name[100]; 627 unsigned char ext_buf[4 + 65536]; 628 629 /* Reconstruct the type/len fields prior to extension data */ 630 ext_buf[0] = ext_type >> 8; 631 ext_buf[1] = ext_type & 0xFF; 632 ext_buf[2] = inlen >> 8; 633 ext_buf[3] = inlen & 0xFF; 634 memcpy(ext_buf + 4, in, inlen); 635 636 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d", 637 ext_type); 638 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen); 639 return 1; 640} 641 642#endif 643 644enum { 645 PROTO_OFF = 0, 646 PROTO_SMTP, 647 PROTO_POP3, 648 PROTO_IMAP, 649 PROTO_FTP, 650 PROTO_XMPP 651}; 652 653int MAIN(int, char **); 654 655int MAIN(int argc, char **argv) 656{ 657 int build_chain = 0; 658 SSL *con = NULL; 659#ifndef OPENSSL_NO_KRB5 660 KSSL_CTX *kctx; 661#endif 662 int s, k, width, state = 0; 663 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL; 664 int cbuf_len, cbuf_off; 665 int sbuf_len, sbuf_off; 666 fd_set readfds, writefds; 667 short port = PORT; 668 int full_log = 1; 669 char *host = SSL_HOST_NAME; 670 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL; 671 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 672 char *passarg = NULL, *pass = NULL; 673 X509 *cert = NULL; 674 EVP_PKEY *key = NULL; 675 STACK_OF(X509) *chain = NULL; 676 char *CApath = NULL, *CAfile = NULL; 677 char *chCApath = NULL, *chCAfile = NULL; 678 char *vfyCApath = NULL, *vfyCAfile = NULL; 679 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE; 680 int crlf = 0; 681 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; 682 SSL_CTX *ctx = NULL; 683 int ret = 1, in_init = 1, i, nbio_test = 0; 684 int starttls_proto = PROTO_OFF; 685 int prexit = 0; 686 X509_VERIFY_PARAM *vpm = NULL; 687 int badarg = 0; 688 const SSL_METHOD *meth = NULL; 689 int socket_type = SOCK_STREAM; 690 BIO *sbio; 691 char *inrand = NULL; 692 int mbuf_len = 0; 693 struct timeval timeout, *timeoutp; 694#ifndef OPENSSL_NO_ENGINE 695 char *engine_id = NULL; 696 char *ssl_client_engine_id = NULL; 697 ENGINE *ssl_client_engine = NULL; 698#endif 699 ENGINE *e = NULL; 700#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 701 struct timeval tv; 702# if defined(OPENSSL_SYS_BEOS_R5) 703 int stdin_set = 0; 704# endif 705#endif 706#ifndef OPENSSL_NO_TLSEXT 707 char *servername = NULL; 708 tlsextctx tlsextcbp = { NULL, 0 }; 709# ifndef OPENSSL_NO_NEXTPROTONEG 710 const char *next_proto_neg_in = NULL; 711# endif 712 const char *alpn_in = NULL; 713# define MAX_SI_TYPES 100 714 unsigned short serverinfo_types[MAX_SI_TYPES]; 715 int serverinfo_types_count = 0; 716#endif 717 char *sess_in = NULL; 718 char *sess_out = NULL; 719 struct sockaddr peer; 720 int peerlen = sizeof(peer); 721 int fallback_scsv = 0; 722 int enable_timeouts = 0; 723 long socket_mtu = 0; 724#ifndef OPENSSL_NO_JPAKE 725 static char *jpake_secret = NULL; 726# define no_jpake !jpake_secret 727#else 728# define no_jpake 1 729#endif 730#ifndef OPENSSL_NO_SRP 731 char *srppass = NULL; 732 int srp_lateuser = 0; 733 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; 734#endif 735 SSL_EXCERT *exc = NULL; 736 737 SSL_CONF_CTX *cctx = NULL; 738 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 739 740 char *crl_file = NULL; 741 int crl_format = FORMAT_PEM; 742 int crl_download = 0; 743 STACK_OF(X509_CRL) *crls = NULL; 744 745 meth = SSLv23_client_method(); 746 747 apps_startup(); 748 c_Pause = 0; 749 c_quiet = 0; 750 c_ign_eof = 0; 751 c_debug = 0; 752 c_msg = 0; 753 c_showcerts = 0; 754 755 if (bio_err == NULL) 756 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 757 758 if (!load_config(bio_err, NULL)) 759 goto end; 760 761 cctx = SSL_CONF_CTX_new(); 762 if (!cctx) 763 goto end; 764 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT); 765 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 766 767 if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || 768 ((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || 769 ((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) { 770 BIO_printf(bio_err, "out of memory\n"); 771 goto end; 772 } 773 774 verify_depth = 0; 775 verify_error = X509_V_OK; 776#ifdef FIONBIO 777 c_nbio = 0; 778#endif 779 780 argc--; 781 argv++; 782 while (argc >= 1) { 783 if (strcmp(*argv, "-host") == 0) { 784 if (--argc < 1) 785 goto bad; 786 host = *(++argv); 787 } else if (strcmp(*argv, "-port") == 0) { 788 if (--argc < 1) 789 goto bad; 790 port = atoi(*(++argv)); 791 if (port == 0) 792 goto bad; 793 } else if (strcmp(*argv, "-connect") == 0) { 794 if (--argc < 1) 795 goto bad; 796 if (!extract_host_port(*(++argv), &host, NULL, &port)) 797 goto bad; 798 } else if (strcmp(*argv, "-verify") == 0) { 799 verify = SSL_VERIFY_PEER; 800 if (--argc < 1) 801 goto bad; 802 verify_depth = atoi(*(++argv)); 803 if (!c_quiet) 804 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 805 } else if (strcmp(*argv, "-cert") == 0) { 806 if (--argc < 1) 807 goto bad; 808 cert_file = *(++argv); 809 } else if (strcmp(*argv, "-CRL") == 0) { 810 if (--argc < 1) 811 goto bad; 812 crl_file = *(++argv); 813 } else if (strcmp(*argv, "-crl_download") == 0) 814 crl_download = 1; 815 else if (strcmp(*argv, "-sess_out") == 0) { 816 if (--argc < 1) 817 goto bad; 818 sess_out = *(++argv); 819 } else if (strcmp(*argv, "-sess_in") == 0) { 820 if (--argc < 1) 821 goto bad; 822 sess_in = *(++argv); 823 } else if (strcmp(*argv, "-certform") == 0) { 824 if (--argc < 1) 825 goto bad; 826 cert_format = str2fmt(*(++argv)); 827 } else if (strcmp(*argv, "-CRLform") == 0) { 828 if (--argc < 1) 829 goto bad; 830 crl_format = str2fmt(*(++argv)); 831 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 832 if (badarg) 833 goto bad; 834 continue; 835 } else if (strcmp(*argv, "-verify_return_error") == 0) 836 verify_return_error = 1; 837 else if (strcmp(*argv, "-verify_quiet") == 0) 838 verify_quiet = 1; 839 else if (strcmp(*argv, "-brief") == 0) { 840 c_brief = 1; 841 verify_quiet = 1; 842 c_quiet = 1; 843 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 844 if (badarg) 845 goto bad; 846 continue; 847 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) { 848 if (badarg) 849 goto bad; 850 continue; 851 } else if (strcmp(*argv, "-prexit") == 0) 852 prexit = 1; 853 else if (strcmp(*argv, "-crlf") == 0) 854 crlf = 1; 855 else if (strcmp(*argv, "-quiet") == 0) { 856 c_quiet = 1; 857 c_ign_eof = 1; 858 } else if (strcmp(*argv, "-ign_eof") == 0) 859 c_ign_eof = 1; 860 else if (strcmp(*argv, "-no_ign_eof") == 0) 861 c_ign_eof = 0; 862 else if (strcmp(*argv, "-pause") == 0) 863 c_Pause = 1; 864 else if (strcmp(*argv, "-debug") == 0) 865 c_debug = 1; 866#ifndef OPENSSL_NO_TLSEXT 867 else if (strcmp(*argv, "-tlsextdebug") == 0) 868 c_tlsextdebug = 1; 869 else if (strcmp(*argv, "-status") == 0) 870 c_status_req = 1; 871#endif 872#ifdef WATT32 873 else if (strcmp(*argv, "-wdebug") == 0) 874 dbug_init(); 875#endif 876 else if (strcmp(*argv, "-msg") == 0) 877 c_msg = 1; 878 else if (strcmp(*argv, "-msgfile") == 0) { 879 if (--argc < 1) 880 goto bad; 881 bio_c_msg = BIO_new_file(*(++argv), "w"); 882 } 883#ifndef OPENSSL_NO_SSL_TRACE 884 else if (strcmp(*argv, "-trace") == 0) 885 c_msg = 2; 886#endif 887 else if (strcmp(*argv, "-showcerts") == 0) 888 c_showcerts = 1; 889 else if (strcmp(*argv, "-nbio_test") == 0) 890 nbio_test = 1; 891 else if (strcmp(*argv, "-state") == 0) 892 state = 1; 893#ifndef OPENSSL_NO_PSK 894 else if (strcmp(*argv, "-psk_identity") == 0) { 895 if (--argc < 1) 896 goto bad; 897 psk_identity = *(++argv); 898 } else if (strcmp(*argv, "-psk") == 0) { 899 size_t j; 900 901 if (--argc < 1) 902 goto bad; 903 psk_key = *(++argv); 904 for (j = 0; j < strlen(psk_key); j++) { 905 if (isxdigit((unsigned char)psk_key[j])) 906 continue; 907 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 908 goto bad; 909 } 910 } 911#endif 912#ifndef OPENSSL_NO_SRP 913 else if (strcmp(*argv, "-srpuser") == 0) { 914 if (--argc < 1) 915 goto bad; 916 srp_arg.srplogin = *(++argv); 917 meth = TLSv1_client_method(); 918 } else if (strcmp(*argv, "-srppass") == 0) { 919 if (--argc < 1) 920 goto bad; 921 srppass = *(++argv); 922 meth = TLSv1_client_method(); 923 } else if (strcmp(*argv, "-srp_strength") == 0) { 924 if (--argc < 1) 925 goto bad; 926 srp_arg.strength = atoi(*(++argv)); 927 BIO_printf(bio_err, "SRP minimal length for N is %d\n", 928 srp_arg.strength); 929 meth = TLSv1_client_method(); 930 } else if (strcmp(*argv, "-srp_lateuser") == 0) { 931 srp_lateuser = 1; 932 meth = TLSv1_client_method(); 933 } else if (strcmp(*argv, "-srp_moregroups") == 0) { 934 srp_arg.amp = 1; 935 meth = TLSv1_client_method(); 936 } 937#endif 938#ifndef OPENSSL_NO_SSL2 939 else if (strcmp(*argv, "-ssl2") == 0) 940 meth = SSLv2_client_method(); 941#endif 942#ifndef OPENSSL_NO_SSL3_METHOD 943 else if (strcmp(*argv, "-ssl3") == 0) 944 meth = SSLv3_client_method(); 945#endif 946#ifndef OPENSSL_NO_TLS1 947 else if (strcmp(*argv, "-tls1_2") == 0) 948 meth = TLSv1_2_client_method(); 949 else if (strcmp(*argv, "-tls1_1") == 0) 950 meth = TLSv1_1_client_method(); 951 else if (strcmp(*argv, "-tls1") == 0) 952 meth = TLSv1_client_method(); 953#endif 954#ifndef OPENSSL_NO_DTLS1 955 else if (strcmp(*argv, "-dtls") == 0) { 956 meth = DTLS_client_method(); 957 socket_type = SOCK_DGRAM; 958 } else if (strcmp(*argv, "-dtls1") == 0) { 959 meth = DTLSv1_client_method(); 960 socket_type = SOCK_DGRAM; 961 } else if (strcmp(*argv, "-dtls1_2") == 0) { 962 meth = DTLSv1_2_client_method(); 963 socket_type = SOCK_DGRAM; 964 } else if (strcmp(*argv, "-timeout") == 0) 965 enable_timeouts = 1; 966 else if (strcmp(*argv, "-mtu") == 0) { 967 if (--argc < 1) 968 goto bad; 969 socket_mtu = atol(*(++argv)); 970 } 971#endif 972 else if (strcmp(*argv, "-fallback_scsv") == 0) { 973 fallback_scsv = 1; 974 } else if (strcmp(*argv, "-keyform") == 0) { 975 if (--argc < 1) 976 goto bad; 977 key_format = str2fmt(*(++argv)); 978 } else if (strcmp(*argv, "-pass") == 0) { 979 if (--argc < 1) 980 goto bad; 981 passarg = *(++argv); 982 } else if (strcmp(*argv, "-cert_chain") == 0) { 983 if (--argc < 1) 984 goto bad; 985 chain_file = *(++argv); 986 } else if (strcmp(*argv, "-key") == 0) { 987 if (--argc < 1) 988 goto bad; 989 key_file = *(++argv); 990 } else if (strcmp(*argv, "-reconnect") == 0) { 991 reconnect = 5; 992 } else if (strcmp(*argv, "-CApath") == 0) { 993 if (--argc < 1) 994 goto bad; 995 CApath = *(++argv); 996 } else if (strcmp(*argv, "-chainCApath") == 0) { 997 if (--argc < 1) 998 goto bad; 999 chCApath = *(++argv); 1000 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1001 if (--argc < 1) 1002 goto bad; 1003 vfyCApath = *(++argv); 1004 } else if (strcmp(*argv, "-build_chain") == 0) 1005 build_chain = 1; 1006 else if (strcmp(*argv, "-CAfile") == 0) { 1007 if (--argc < 1) 1008 goto bad; 1009 CAfile = *(++argv); 1010 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1011 if (--argc < 1) 1012 goto bad; 1013 chCAfile = *(++argv); 1014 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1015 if (--argc < 1) 1016 goto bad; 1017 vfyCAfile = *(++argv); 1018 } 1019#ifndef OPENSSL_NO_TLSEXT 1020# ifndef OPENSSL_NO_NEXTPROTONEG 1021 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1022 if (--argc < 1) 1023 goto bad; 1024 next_proto_neg_in = *(++argv); 1025 } 1026# endif 1027 else if (strcmp(*argv, "-alpn") == 0) { 1028 if (--argc < 1) 1029 goto bad; 1030 alpn_in = *(++argv); 1031 } else if (strcmp(*argv, "-serverinfo") == 0) { 1032 char *c; 1033 int start = 0; 1034 int len; 1035 1036 if (--argc < 1) 1037 goto bad; 1038 c = *(++argv); 1039 serverinfo_types_count = 0; 1040 len = strlen(c); 1041 for (i = 0; i <= len; ++i) { 1042 if (i == len || c[i] == ',') { 1043 serverinfo_types[serverinfo_types_count] 1044 = atoi(c + start); 1045 serverinfo_types_count++; 1046 start = i + 1; 1047 } 1048 if (serverinfo_types_count == MAX_SI_TYPES) 1049 break; 1050 } 1051 } 1052#endif 1053#ifdef FIONBIO 1054 else if (strcmp(*argv, "-nbio") == 0) { 1055 c_nbio = 1; 1056 } 1057#endif 1058 else if (strcmp(*argv, "-starttls") == 0) { 1059 if (--argc < 1) 1060 goto bad; 1061 ++argv; 1062 if (strcmp(*argv, "smtp") == 0) 1063 starttls_proto = PROTO_SMTP; 1064 else if (strcmp(*argv, "pop3") == 0) 1065 starttls_proto = PROTO_POP3; 1066 else if (strcmp(*argv, "imap") == 0) 1067 starttls_proto = PROTO_IMAP; 1068 else if (strcmp(*argv, "ftp") == 0) 1069 starttls_proto = PROTO_FTP; 1070 else if (strcmp(*argv, "xmpp") == 0) 1071 starttls_proto = PROTO_XMPP; 1072 else 1073 goto bad; 1074 } 1075#ifndef OPENSSL_NO_ENGINE 1076 else if (strcmp(*argv, "-engine") == 0) { 1077 if (--argc < 1) 1078 goto bad; 1079 engine_id = *(++argv); 1080 } else if (strcmp(*argv, "-ssl_client_engine") == 0) { 1081 if (--argc < 1) 1082 goto bad; 1083 ssl_client_engine_id = *(++argv); 1084 } 1085#endif 1086 else if (strcmp(*argv, "-rand") == 0) { 1087 if (--argc < 1) 1088 goto bad; 1089 inrand = *(++argv); 1090 } 1091#ifndef OPENSSL_NO_TLSEXT 1092 else if (strcmp(*argv, "-servername") == 0) { 1093 if (--argc < 1) 1094 goto bad; 1095 servername = *(++argv); 1096 /* meth=TLSv1_client_method(); */ 1097 } 1098#endif 1099#ifndef OPENSSL_NO_JPAKE 1100 else if (strcmp(*argv, "-jpake") == 0) { 1101 if (--argc < 1) 1102 goto bad; 1103 jpake_secret = *++argv; 1104 } 1105#endif 1106#ifndef OPENSSL_NO_SRTP 1107 else if (strcmp(*argv, "-use_srtp") == 0) { 1108 if (--argc < 1) 1109 goto bad; 1110 srtp_profiles = *(++argv); 1111 } 1112#endif 1113 else if (strcmp(*argv, "-keymatexport") == 0) { 1114 if (--argc < 1) 1115 goto bad; 1116 keymatexportlabel = *(++argv); 1117 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1118 if (--argc < 1) 1119 goto bad; 1120 keymatexportlen = atoi(*(++argv)); 1121 if (keymatexportlen == 0) 1122 goto bad; 1123 } else { 1124 BIO_printf(bio_err, "unknown option %s\n", *argv); 1125 badop = 1; 1126 break; 1127 } 1128 argc--; 1129 argv++; 1130 } 1131 if (badop) { 1132 bad: 1133 sc_usage(); 1134 goto end; 1135 } 1136#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1137 if (jpake_secret) { 1138 if (psk_key) { 1139 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1140 goto end; 1141 } 1142 psk_identity = "JPAKE"; 1143 } 1144#endif 1145 1146 OpenSSL_add_ssl_algorithms(); 1147 SSL_load_error_strings(); 1148 1149#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1150 next_proto.status = -1; 1151 if (next_proto_neg_in) { 1152 next_proto.data = 1153 next_protos_parse(&next_proto.len, next_proto_neg_in); 1154 if (next_proto.data == NULL) { 1155 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1156 goto end; 1157 } 1158 } else 1159 next_proto.data = NULL; 1160#endif 1161 1162#ifndef OPENSSL_NO_ENGINE 1163 e = setup_engine(bio_err, engine_id, 1); 1164 if (ssl_client_engine_id) { 1165 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1166 if (!ssl_client_engine) { 1167 BIO_printf(bio_err, "Error getting client auth engine\n"); 1168 goto end; 1169 } 1170 } 1171#endif 1172 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { 1173 BIO_printf(bio_err, "Error getting password\n"); 1174 goto end; 1175 } 1176 1177 if (key_file == NULL) 1178 key_file = cert_file; 1179 1180 if (key_file) { 1181 1182 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1183 "client certificate private key file"); 1184 if (!key) { 1185 ERR_print_errors(bio_err); 1186 goto end; 1187 } 1188 1189 } 1190 1191 if (cert_file) { 1192 cert = load_cert(bio_err, cert_file, cert_format, 1193 NULL, e, "client certificate file"); 1194 1195 if (!cert) { 1196 ERR_print_errors(bio_err); 1197 goto end; 1198 } 1199 } 1200 1201 if (chain_file) { 1202 chain = load_certs(bio_err, chain_file, FORMAT_PEM, 1203 NULL, e, "client certificate chain"); 1204 if (!chain) 1205 goto end; 1206 } 1207 1208 if (crl_file) { 1209 X509_CRL *crl; 1210 crl = load_crl(crl_file, crl_format); 1211 if (!crl) { 1212 BIO_puts(bio_err, "Error loading CRL\n"); 1213 ERR_print_errors(bio_err); 1214 goto end; 1215 } 1216 crls = sk_X509_CRL_new_null(); 1217 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1218 BIO_puts(bio_err, "Error adding CRL\n"); 1219 ERR_print_errors(bio_err); 1220 X509_CRL_free(crl); 1221 goto end; 1222 } 1223 } 1224 1225 if (!load_excert(&exc, bio_err)) 1226 goto end; 1227 1228 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1229 && !RAND_status()) { 1230 BIO_printf(bio_err, 1231 "warning, not much extra random data, consider using the -rand option\n"); 1232 } 1233 if (inrand != NULL) 1234 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1235 app_RAND_load_files(inrand)); 1236 1237 if (bio_c_out == NULL) { 1238 if (c_quiet && !c_debug) { 1239 bio_c_out = BIO_new(BIO_s_null()); 1240 if (c_msg && !bio_c_msg) 1241 bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1242 } else { 1243 if (bio_c_out == NULL) 1244 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1245 } 1246 } 1247#ifndef OPENSSL_NO_SRP 1248 if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) { 1249 BIO_printf(bio_err, "Error getting password\n"); 1250 goto end; 1251 } 1252#endif 1253 1254 ctx = SSL_CTX_new(meth); 1255 if (ctx == NULL) { 1256 ERR_print_errors(bio_err); 1257 goto end; 1258 } 1259 1260 if (vpm) 1261 SSL_CTX_set1_param(ctx, vpm); 1262 1263 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) { 1264 ERR_print_errors(bio_err); 1265 goto end; 1266 } 1267 1268 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1269 crls, crl_download)) { 1270 BIO_printf(bio_err, "Error loading store locations\n"); 1271 ERR_print_errors(bio_err); 1272 goto end; 1273 } 1274#ifndef OPENSSL_NO_ENGINE 1275 if (ssl_client_engine) { 1276 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) { 1277 BIO_puts(bio_err, "Error setting client auth engine\n"); 1278 ERR_print_errors(bio_err); 1279 ENGINE_free(ssl_client_engine); 1280 goto end; 1281 } 1282 ENGINE_free(ssl_client_engine); 1283 } 1284#endif 1285 1286#ifndef OPENSSL_NO_PSK 1287# ifdef OPENSSL_NO_JPAKE 1288 if (psk_key != NULL) 1289# else 1290 if (psk_key != NULL || jpake_secret) 1291# endif 1292 { 1293 if (c_debug) 1294 BIO_printf(bio_c_out, 1295 "PSK key given or JPAKE in use, setting client callback\n"); 1296 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1297 } 1298#endif 1299#ifndef OPENSSL_NO_SRTP 1300 if (srtp_profiles != NULL) 1301 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1302#endif 1303 if (exc) 1304 ssl_ctx_set_excert(ctx, exc); 1305 1306#if !defined(OPENSSL_NO_TLSEXT) 1307# if !defined(OPENSSL_NO_NEXTPROTONEG) 1308 if (next_proto.data) 1309 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1310# endif 1311 if (alpn_in) { 1312 unsigned short alpn_len; 1313 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in); 1314 1315 if (alpn == NULL) { 1316 BIO_printf(bio_err, "Error parsing -alpn argument\n"); 1317 goto end; 1318 } 1319 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len); 1320 OPENSSL_free(alpn); 1321 } 1322#endif 1323#ifndef OPENSSL_NO_TLSEXT 1324 for (i = 0; i < serverinfo_types_count; i++) { 1325 SSL_CTX_add_client_custom_ext(ctx, 1326 serverinfo_types[i], 1327 NULL, NULL, NULL, 1328 serverinfo_cli_parse_cb, NULL); 1329 } 1330#endif 1331 1332 if (state) 1333 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1334#if 0 1335 else 1336 SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER")); 1337#endif 1338 1339 SSL_CTX_set_verify(ctx, verify, verify_callback); 1340 1341 if ((CAfile || CApath) 1342 && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) { 1343 ERR_print_errors(bio_err); 1344 } 1345 if (!SSL_CTX_set_default_verify_paths(ctx)) { 1346 ERR_print_errors(bio_err); 1347 } 1348 1349 ssl_ctx_add_crls(ctx, crls, crl_download); 1350 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain)) 1351 goto end; 1352 1353#ifndef OPENSSL_NO_TLSEXT 1354 if (servername != NULL) { 1355 tlsextcbp.biodebug = bio_err; 1356 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1357 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1358 } 1359# ifndef OPENSSL_NO_SRP 1360 if (srp_arg.srplogin) { 1361 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) { 1362 BIO_printf(bio_err, "Unable to set SRP username\n"); 1363 goto end; 1364 } 1365 srp_arg.msg = c_msg; 1366 srp_arg.debug = c_debug; 1367 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg); 1368 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1369 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1370 if (c_msg || c_debug || srp_arg.amp == 0) 1371 SSL_CTX_set_srp_verify_param_callback(ctx, 1372 ssl_srp_verify_param_cb); 1373 } 1374# endif 1375#endif 1376 1377 con = SSL_new(ctx); 1378 if (sess_in) { 1379 SSL_SESSION *sess; 1380 BIO *stmp = BIO_new_file(sess_in, "r"); 1381 if (!stmp) { 1382 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1383 ERR_print_errors(bio_err); 1384 goto end; 1385 } 1386 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1387 BIO_free(stmp); 1388 if (!sess) { 1389 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1390 ERR_print_errors(bio_err); 1391 goto end; 1392 } 1393 SSL_set_session(con, sess); 1394 SSL_SESSION_free(sess); 1395 } 1396 1397 if (fallback_scsv) 1398 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1399 1400#ifndef OPENSSL_NO_TLSEXT 1401 if (servername != NULL) { 1402 if (!SSL_set_tlsext_host_name(con, servername)) { 1403 BIO_printf(bio_err, "Unable to set TLS servername extension.\n"); 1404 ERR_print_errors(bio_err); 1405 goto end; 1406 } 1407 } 1408#endif 1409#ifndef OPENSSL_NO_KRB5 1410 if (con && (kctx = kssl_ctx_new()) != NULL) { 1411 SSL_set0_kssl_ctx(con, kctx); 1412 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1413 } 1414#endif /* OPENSSL_NO_KRB5 */ 1415/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1416#if 0 1417# ifdef TLSEXT_TYPE_opaque_prf_input 1418 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1419# endif 1420#endif 1421 1422 re_start: 1423 1424 if (init_client(&s, host, port, socket_type) == 0) { 1425 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error()); 1426 SHUTDOWN(s); 1427 goto end; 1428 } 1429 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s); 1430 1431#ifdef FIONBIO 1432 if (c_nbio) { 1433 unsigned long l = 1; 1434 BIO_printf(bio_c_out, "turning on non blocking io\n"); 1435 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) { 1436 ERR_print_errors(bio_err); 1437 goto end; 1438 } 1439 } 1440#endif 1441 if (c_Pause & 0x01) 1442 SSL_set_debug(con, 1); 1443 1444 if (socket_type == SOCK_DGRAM) { 1445 1446 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 1447 if (getsockname(s, &peer, (void *)&peerlen) < 0) { 1448 BIO_printf(bio_err, "getsockname:errno=%d\n", 1449 get_last_socket_error()); 1450 SHUTDOWN(s); 1451 goto end; 1452 } 1453 1454 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1455 1456 if (enable_timeouts) { 1457 timeout.tv_sec = 0; 1458 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1459 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1460 1461 timeout.tv_sec = 0; 1462 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1463 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1464 } 1465 1466 if (socket_mtu) { 1467 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 1468 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 1469 DTLS_get_link_min_mtu(con)); 1470 BIO_free(sbio); 1471 goto shut; 1472 } 1473 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1474 if (!DTLS_set_link_mtu(con, socket_mtu)) { 1475 BIO_printf(bio_err, "Failed to set MTU\n"); 1476 BIO_free(sbio); 1477 goto shut; 1478 } 1479 } else 1480 /* want to do MTU discovery */ 1481 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1482 } else 1483 sbio = BIO_new_socket(s, BIO_NOCLOSE); 1484 1485 if (nbio_test) { 1486 BIO *test; 1487 1488 test = BIO_new(BIO_f_nbio_test()); 1489 sbio = BIO_push(test, sbio); 1490 } 1491 1492 if (c_debug) { 1493 SSL_set_debug(con, 1); 1494 BIO_set_callback(sbio, bio_dump_callback); 1495 BIO_set_callback_arg(sbio, (char *)bio_c_out); 1496 } 1497 if (c_msg) { 1498#ifndef OPENSSL_NO_SSL_TRACE 1499 if (c_msg == 2) 1500 SSL_set_msg_callback(con, SSL_trace); 1501 else 1502#endif 1503 SSL_set_msg_callback(con, msg_cb); 1504 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out); 1505 } 1506#ifndef OPENSSL_NO_TLSEXT 1507 if (c_tlsextdebug) { 1508 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1509 SSL_set_tlsext_debug_arg(con, bio_c_out); 1510 } 1511 if (c_status_req) { 1512 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1513 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1514 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1515# if 0 1516 { 1517 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1518 OCSP_RESPID *id = OCSP_RESPID_new(); 1519 id->value.byKey = ASN1_OCTET_STRING_new(); 1520 id->type = V_OCSP_RESPID_KEY; 1521 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1522 sk_OCSP_RESPID_push(ids, id); 1523 SSL_set_tlsext_status_ids(con, ids); 1524 } 1525# endif 1526 } 1527#endif 1528#ifndef OPENSSL_NO_JPAKE 1529 if (jpake_secret) 1530 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1531#endif 1532 1533 SSL_set_bio(con, sbio, sbio); 1534 SSL_set_connect_state(con); 1535 1536 /* ok, lets connect */ 1537 width = SSL_get_fd(con) + 1; 1538 1539 read_tty = 1; 1540 write_tty = 0; 1541 tty_on = 0; 1542 read_ssl = 1; 1543 write_ssl = 1; 1544 1545 cbuf_len = 0; 1546 cbuf_off = 0; 1547 sbuf_len = 0; 1548 sbuf_off = 0; 1549 1550 /* This is an ugly hack that does a lot of assumptions */ 1551 /* 1552 * We do have to handle multi-line responses which may come in a single 1553 * packet or not. We therefore have to use BIO_gets() which does need a 1554 * buffering BIO. So during the initial chitchat we do push a buffering 1555 * BIO into the chain that is removed again later on to not disturb the 1556 * rest of the s_client operation. 1557 */ 1558 if (starttls_proto == PROTO_SMTP) { 1559 int foundit = 0; 1560 BIO *fbio = BIO_new(BIO_f_buffer()); 1561 BIO_push(fbio, sbio); 1562 /* wait for multi-line response to end from SMTP */ 1563 do { 1564 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1565 } 1566 while (mbuf_len > 3 && mbuf[3] == '-'); 1567 /* STARTTLS command requires EHLO... */ 1568 BIO_printf(fbio, "EHLO openssl.client.net\r\n"); 1569 (void)BIO_flush(fbio); 1570 /* wait for multi-line response to end EHLO SMTP response */ 1571 do { 1572 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1573 if (strstr(mbuf, "STARTTLS")) 1574 foundit = 1; 1575 } 1576 while (mbuf_len > 3 && mbuf[3] == '-'); 1577 (void)BIO_flush(fbio); 1578 BIO_pop(fbio); 1579 BIO_free(fbio); 1580 if (!foundit) 1581 BIO_printf(bio_err, 1582 "didn't found starttls in server response," 1583 " try anyway...\n"); 1584 BIO_printf(sbio, "STARTTLS\r\n"); 1585 BIO_read(sbio, sbuf, BUFSIZZ); 1586 } else if (starttls_proto == PROTO_POP3) { 1587 BIO_read(sbio, mbuf, BUFSIZZ); 1588 BIO_printf(sbio, "STLS\r\n"); 1589 BIO_read(sbio, sbuf, BUFSIZZ); 1590 } else if (starttls_proto == PROTO_IMAP) { 1591 int foundit = 0; 1592 BIO *fbio = BIO_new(BIO_f_buffer()); 1593 BIO_push(fbio, sbio); 1594 BIO_gets(fbio, mbuf, BUFSIZZ); 1595 /* STARTTLS command requires CAPABILITY... */ 1596 BIO_printf(fbio, ". CAPABILITY\r\n"); 1597 (void)BIO_flush(fbio); 1598 /* wait for multi-line CAPABILITY response */ 1599 do { 1600 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1601 if (strstr(mbuf, "STARTTLS")) 1602 foundit = 1; 1603 } 1604 while (mbuf_len > 3 && mbuf[0] != '.'); 1605 (void)BIO_flush(fbio); 1606 BIO_pop(fbio); 1607 BIO_free(fbio); 1608 if (!foundit) 1609 BIO_printf(bio_err, 1610 "didn't found STARTTLS in server response," 1611 " try anyway...\n"); 1612 BIO_printf(sbio, ". STARTTLS\r\n"); 1613 BIO_read(sbio, sbuf, BUFSIZZ); 1614 } else if (starttls_proto == PROTO_FTP) { 1615 BIO *fbio = BIO_new(BIO_f_buffer()); 1616 BIO_push(fbio, sbio); 1617 /* wait for multi-line response to end from FTP */ 1618 do { 1619 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1620 } 1621 while (mbuf_len > 3 && mbuf[3] == '-'); 1622 (void)BIO_flush(fbio); 1623 BIO_pop(fbio); 1624 BIO_free(fbio); 1625 BIO_printf(sbio, "AUTH TLS\r\n"); 1626 BIO_read(sbio, sbuf, BUFSIZZ); 1627 } 1628 if (starttls_proto == PROTO_XMPP) { 1629 int seen = 0; 1630 BIO_printf(sbio, "<stream:stream " 1631 "xmlns:stream='http://etherx.jabber.org/streams' " 1632 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1633 seen = BIO_read(sbio, mbuf, BUFSIZZ); 1634 mbuf[seen] = 0; 1635 while (!strstr 1636 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) { 1637 if (strstr(mbuf, "/stream:features>")) 1638 goto shut; 1639 seen = BIO_read(sbio, mbuf, BUFSIZZ); 1640 mbuf[seen] = 0; 1641 } 1642 BIO_printf(sbio, 1643 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1644 seen = BIO_read(sbio, sbuf, BUFSIZZ); 1645 sbuf[seen] = 0; 1646 if (!strstr(sbuf, "<proceed")) 1647 goto shut; 1648 mbuf[0] = 0; 1649 } 1650 1651 for (;;) { 1652 FD_ZERO(&readfds); 1653 FD_ZERO(&writefds); 1654 1655 if ((SSL_version(con) == DTLS1_VERSION) && 1656 DTLSv1_get_timeout(con, &timeout)) 1657 timeoutp = &timeout; 1658 else 1659 timeoutp = NULL; 1660 1661 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) { 1662 in_init = 1; 1663 tty_on = 0; 1664 } else { 1665 tty_on = 1; 1666 if (in_init) { 1667 in_init = 0; 1668#if 0 /* This test doesn't really work as intended 1669 * (needs to be fixed) */ 1670# ifndef OPENSSL_NO_TLSEXT 1671 if (servername != NULL && !SSL_session_reused(con)) { 1672 BIO_printf(bio_c_out, 1673 "Server did %sacknowledge servername extension.\n", 1674 tlsextcbp.ack ? "" : "not "); 1675 } 1676# endif 1677#endif 1678 if (sess_out) { 1679 BIO *stmp = BIO_new_file(sess_out, "w"); 1680 if (stmp) { 1681 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1682 BIO_free(stmp); 1683 } else 1684 BIO_printf(bio_err, "Error writing session file %s\n", 1685 sess_out); 1686 } 1687 if (c_brief) { 1688 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n"); 1689 print_ssl_summary(bio_err, con); 1690 } 1691 1692 print_stuff(bio_c_out, con, full_log); 1693 if (full_log > 0) 1694 full_log--; 1695 1696 if (starttls_proto) { 1697 BIO_printf(bio_err, "%s", mbuf); 1698 /* We don't need to know any more */ 1699 starttls_proto = PROTO_OFF; 1700 } 1701 1702 if (reconnect) { 1703 reconnect--; 1704 BIO_printf(bio_c_out, 1705 "drop connection and then reconnect\n"); 1706 SSL_shutdown(con); 1707 SSL_set_connect_state(con); 1708 SHUTDOWN(SSL_get_fd(con)); 1709 goto re_start; 1710 } 1711 } 1712 } 1713 1714 ssl_pending = read_ssl && SSL_pending(con); 1715 1716 if (!ssl_pending) { 1717#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1718 if (tty_on) { 1719 if (read_tty) 1720 openssl_fdset(fileno(stdin), &readfds); 1721 if (write_tty) 1722 openssl_fdset(fileno(stdout), &writefds); 1723 } 1724 if (read_ssl) 1725 openssl_fdset(SSL_get_fd(con), &readfds); 1726 if (write_ssl) 1727 openssl_fdset(SSL_get_fd(con), &writefds); 1728#else 1729 if (!tty_on || !write_tty) { 1730 if (read_ssl) 1731 openssl_fdset(SSL_get_fd(con), &readfds); 1732 if (write_ssl) 1733 openssl_fdset(SSL_get_fd(con), &writefds); 1734 } 1735#endif 1736/*- printf("mode tty(%d %d%d) ssl(%d%d)\n", 1737 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1738 1739 /* 1740 * Note: under VMS with SOCKETSHR the second parameter is 1741 * currently of type (int *) whereas under other systems it is 1742 * (void *) if you don't have a cast it will choke the compiler: 1743 * if you do have a cast then you can either go for (int *) or 1744 * (void *). 1745 */ 1746#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1747 /* 1748 * Under Windows/DOS we make the assumption that we can always 1749 * write to the tty: therefore if we need to write to the tty we 1750 * just fall through. Otherwise we timeout the select every 1751 * second and see if there are any keypresses. Note: this is a 1752 * hack, in a proper Windows application we wouldn't do this. 1753 */ 1754 i = 0; 1755 if (!write_tty) { 1756 if (read_tty) { 1757 tv.tv_sec = 1; 1758 tv.tv_usec = 0; 1759 i = select(width, (void *)&readfds, (void *)&writefds, 1760 NULL, &tv); 1761# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1762 if (!i && (!_kbhit() || !read_tty)) 1763 continue; 1764# else 1765 if (!i && (!((_kbhit()) 1766 || (WAIT_OBJECT_0 == 1767 WaitForSingleObject(GetStdHandle 1768 (STD_INPUT_HANDLE), 1769 0))) 1770 || !read_tty)) 1771 continue; 1772# endif 1773 } else 1774 i = select(width, (void *)&readfds, (void *)&writefds, 1775 NULL, timeoutp); 1776 } 1777#elif defined(OPENSSL_SYS_NETWARE) 1778 if (!write_tty) { 1779 if (read_tty) { 1780 tv.tv_sec = 1; 1781 tv.tv_usec = 0; 1782 i = select(width, (void *)&readfds, (void *)&writefds, 1783 NULL, &tv); 1784 } else 1785 i = select(width, (void *)&readfds, (void *)&writefds, 1786 NULL, timeoutp); 1787 } 1788#elif defined(OPENSSL_SYS_BEOS_R5) 1789 /* Under BeOS-R5 the situation is similar to DOS */ 1790 i = 0; 1791 stdin_set = 0; 1792 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1793 if (!write_tty) { 1794 if (read_tty) { 1795 tv.tv_sec = 1; 1796 tv.tv_usec = 0; 1797 i = select(width, (void *)&readfds, (void *)&writefds, 1798 NULL, &tv); 1799 if (read(fileno(stdin), sbuf, 0) >= 0) 1800 stdin_set = 1; 1801 if (!i && (stdin_set != 1 || !read_tty)) 1802 continue; 1803 } else 1804 i = select(width, (void *)&readfds, (void *)&writefds, 1805 NULL, timeoutp); 1806 } 1807 (void)fcntl(fileno(stdin), F_SETFL, 0); 1808#else 1809 i = select(width, (void *)&readfds, (void *)&writefds, 1810 NULL, timeoutp); 1811#endif 1812 if (i < 0) { 1813 BIO_printf(bio_err, "bad select %d\n", 1814 get_last_socket_error()); 1815 goto shut; 1816 /* goto end; */ 1817 } 1818 } 1819 1820 if ((SSL_version(con) == DTLS1_VERSION) 1821 && DTLSv1_handle_timeout(con) > 0) { 1822 BIO_printf(bio_err, "TIMEOUT occured\n"); 1823 } 1824 1825 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) { 1826 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len); 1827 switch (SSL_get_error(con, k)) { 1828 case SSL_ERROR_NONE: 1829 cbuf_off += k; 1830 cbuf_len -= k; 1831 if (k <= 0) 1832 goto end; 1833 /* we have done a write(con,NULL,0); */ 1834 if (cbuf_len <= 0) { 1835 read_tty = 1; 1836 write_ssl = 0; 1837 } else { /* if (cbuf_len > 0) */ 1838 1839 read_tty = 0; 1840 write_ssl = 1; 1841 } 1842 break; 1843 case SSL_ERROR_WANT_WRITE: 1844 BIO_printf(bio_c_out, "write W BLOCK\n"); 1845 write_ssl = 1; 1846 read_tty = 0; 1847 break; 1848 case SSL_ERROR_WANT_READ: 1849 BIO_printf(bio_c_out, "write R BLOCK\n"); 1850 write_tty = 0; 1851 read_ssl = 1; 1852 write_ssl = 0; 1853 break; 1854 case SSL_ERROR_WANT_X509_LOOKUP: 1855 BIO_printf(bio_c_out, "write X BLOCK\n"); 1856 break; 1857 case SSL_ERROR_ZERO_RETURN: 1858 if (cbuf_len != 0) { 1859 BIO_printf(bio_c_out, "shutdown\n"); 1860 ret = 0; 1861 goto shut; 1862 } else { 1863 read_tty = 1; 1864 write_ssl = 0; 1865 break; 1866 } 1867 1868 case SSL_ERROR_SYSCALL: 1869 if ((k != 0) || (cbuf_len != 0)) { 1870 BIO_printf(bio_err, "write:errno=%d\n", 1871 get_last_socket_error()); 1872 goto shut; 1873 } else { 1874 read_tty = 1; 1875 write_ssl = 0; 1876 } 1877 break; 1878 case SSL_ERROR_SSL: 1879 ERR_print_errors(bio_err); 1880 goto shut; 1881 } 1882 } 1883#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1884 /* Assume Windows/DOS/BeOS can always write */ 1885 else if (!ssl_pending && write_tty) 1886#else 1887 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds)) 1888#endif 1889 { 1890#ifdef CHARSET_EBCDIC 1891 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len); 1892#endif 1893 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len); 1894 1895 if (i <= 0) { 1896 BIO_printf(bio_c_out, "DONE\n"); 1897 ret = 0; 1898 goto shut; 1899 /* goto end; */ 1900 } 1901 1902 sbuf_len -= i;; 1903 sbuf_off += i; 1904 if (sbuf_len <= 0) { 1905 read_ssl = 1; 1906 write_tty = 0; 1907 } 1908 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) { 1909#ifdef RENEG 1910 { 1911 static int iiii; 1912 if (++iiii == 52) { 1913 SSL_renegotiate(con); 1914 iiii = 0; 1915 } 1916 } 1917#endif 1918#if 1 1919 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); 1920#else 1921/* Demo for pending and peek :-) */ 1922 k = SSL_read(con, sbuf, 16); 1923 { 1924 char zbuf[10240]; 1925 printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con), 1926 SSL_peek(con, zbuf, 10240)); 1927 } 1928#endif 1929 1930 switch (SSL_get_error(con, k)) { 1931 case SSL_ERROR_NONE: 1932 if (k <= 0) 1933 goto end; 1934 sbuf_off = 0; 1935 sbuf_len = k; 1936 1937 read_ssl = 0; 1938 write_tty = 1; 1939 break; 1940 case SSL_ERROR_WANT_WRITE: 1941 BIO_printf(bio_c_out, "read W BLOCK\n"); 1942 write_ssl = 1; 1943 read_tty = 0; 1944 break; 1945 case SSL_ERROR_WANT_READ: 1946 BIO_printf(bio_c_out, "read R BLOCK\n"); 1947 write_tty = 0; 1948 read_ssl = 1; 1949 if ((read_tty == 0) && (write_ssl == 0)) 1950 write_ssl = 1; 1951 break; 1952 case SSL_ERROR_WANT_X509_LOOKUP: 1953 BIO_printf(bio_c_out, "read X BLOCK\n"); 1954 break; 1955 case SSL_ERROR_SYSCALL: 1956 ret = get_last_socket_error(); 1957 if (c_brief) 1958 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n"); 1959 else 1960 BIO_printf(bio_err, "read:errno=%d\n", ret); 1961 goto shut; 1962 case SSL_ERROR_ZERO_RETURN: 1963 BIO_printf(bio_c_out, "closed\n"); 1964 ret = 0; 1965 goto shut; 1966 case SSL_ERROR_SSL: 1967 ERR_print_errors(bio_err); 1968 goto shut; 1969 /* break; */ 1970 } 1971 } 1972#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1973# if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1974 else if (_kbhit()) 1975# else 1976 else if ((_kbhit()) 1977 || (WAIT_OBJECT_0 == 1978 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1979# endif 1980#elif defined (OPENSSL_SYS_NETWARE) 1981 else if (_kbhit()) 1982#elif defined(OPENSSL_SYS_BEOS_R5) 1983 else if (stdin_set) 1984#else 1985 else if (FD_ISSET(fileno(stdin), &readfds)) 1986#endif 1987 { 1988 if (crlf) { 1989 int j, lf_num; 1990 1991 i = raw_read_stdin(cbuf, BUFSIZZ / 2); 1992 lf_num = 0; 1993 /* both loops are skipped when i <= 0 */ 1994 for (j = 0; j < i; j++) 1995 if (cbuf[j] == '\n') 1996 lf_num++; 1997 for (j = i - 1; j >= 0; j--) { 1998 cbuf[j + lf_num] = cbuf[j]; 1999 if (cbuf[j] == '\n') { 2000 lf_num--; 2001 i++; 2002 cbuf[j + lf_num] = '\r'; 2003 } 2004 } 2005 assert(lf_num == 0); 2006 } else 2007 i = raw_read_stdin(cbuf, BUFSIZZ); 2008 2009 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) { 2010 BIO_printf(bio_err, "DONE\n"); 2011 ret = 0; 2012 goto shut; 2013 } 2014 2015 if ((!c_ign_eof) && (cbuf[0] == 'R')) { 2016 BIO_printf(bio_err, "RENEGOTIATING\n"); 2017 SSL_renegotiate(con); 2018 cbuf_len = 0; 2019 } 2020#ifndef OPENSSL_NO_HEARTBEATS 2021 else if ((!c_ign_eof) && (cbuf[0] == 'B')) { 2022 BIO_printf(bio_err, "HEARTBEATING\n"); 2023 SSL_heartbeat(con); 2024 cbuf_len = 0; 2025 } 2026#endif 2027 else { 2028 cbuf_len = i; 2029 cbuf_off = 0; 2030#ifdef CHARSET_EBCDIC 2031 ebcdic2ascii(cbuf, cbuf, i); 2032#endif 2033 } 2034 2035 write_ssl = 1; 2036 read_tty = 0; 2037 } 2038 } 2039 2040 ret = 0; 2041 shut: 2042 if (in_init) 2043 print_stuff(bio_c_out, con, full_log); 2044 SSL_shutdown(con); 2045 SHUTDOWN(SSL_get_fd(con)); 2046 end: 2047 if (con != NULL) { 2048 if (prexit != 0) 2049 print_stuff(bio_c_out, con, 1); 2050 SSL_free(con); 2051 } 2052#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2053 if (next_proto.data) 2054 OPENSSL_free(next_proto.data); 2055#endif 2056 if (ctx != NULL) 2057 SSL_CTX_free(ctx); 2058 if (cert) 2059 X509_free(cert); 2060 if (crls) 2061 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2062 if (key) 2063 EVP_PKEY_free(key); 2064 if (chain) 2065 sk_X509_pop_free(chain, X509_free); 2066 if (pass) 2067 OPENSSL_free(pass); 2068 if (vpm) 2069 X509_VERIFY_PARAM_free(vpm); 2070 ssl_excert_free(exc); 2071 if (ssl_args) 2072 sk_OPENSSL_STRING_free(ssl_args); 2073 if (cctx) 2074 SSL_CONF_CTX_free(cctx); 2075#ifndef OPENSSL_NO_JPAKE 2076 if (jpake_secret && psk_key) 2077 OPENSSL_free(psk_key); 2078#endif 2079 if (cbuf != NULL) { 2080 OPENSSL_cleanse(cbuf, BUFSIZZ); 2081 OPENSSL_free(cbuf); 2082 } 2083 if (sbuf != NULL) { 2084 OPENSSL_cleanse(sbuf, BUFSIZZ); 2085 OPENSSL_free(sbuf); 2086 } 2087 if (mbuf != NULL) { 2088 OPENSSL_cleanse(mbuf, BUFSIZZ); 2089 OPENSSL_free(mbuf); 2090 } 2091 if (bio_c_out != NULL) { 2092 BIO_free(bio_c_out); 2093 bio_c_out = NULL; 2094 } 2095 if (bio_c_msg != NULL) { 2096 BIO_free(bio_c_msg); 2097 bio_c_msg = NULL; 2098 } 2099 apps_shutdown(); 2100 OPENSSL_EXIT(ret); 2101} 2102 2103static void print_stuff(BIO *bio, SSL *s, int full) 2104{ 2105 X509 *peer = NULL; 2106 char *p; 2107 static const char *space = " "; 2108 char buf[BUFSIZ]; 2109 STACK_OF(X509) *sk; 2110 STACK_OF(X509_NAME) *sk2; 2111 const SSL_CIPHER *c; 2112 X509_NAME *xn; 2113 int j, i; 2114#ifndef OPENSSL_NO_COMP 2115 const COMP_METHOD *comp, *expansion; 2116#endif 2117 unsigned char *exportedkeymat; 2118 2119 if (full) { 2120 int got_a_chain = 0; 2121 2122 sk = SSL_get_peer_cert_chain(s); 2123 if (sk != NULL) { 2124 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 2125 2126 BIO_printf(bio, "---\nCertificate chain\n"); 2127 for (i = 0; i < sk_X509_num(sk); i++) { 2128 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)), 2129 buf, sizeof buf); 2130 BIO_printf(bio, "%2d s:%s\n", i, buf); 2131 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)), 2132 buf, sizeof buf); 2133 BIO_printf(bio, " i:%s\n", buf); 2134 if (c_showcerts) 2135 PEM_write_bio_X509(bio, sk_X509_value(sk, i)); 2136 } 2137 } 2138 2139 BIO_printf(bio, "---\n"); 2140 peer = SSL_get_peer_certificate(s); 2141 if (peer != NULL) { 2142 BIO_printf(bio, "Server certificate\n"); 2143 2144 /* Redundant if we showed the whole chain */ 2145 if (!(c_showcerts && got_a_chain)) 2146 PEM_write_bio_X509(bio, peer); 2147 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2148 BIO_printf(bio, "subject=%s\n", buf); 2149 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2150 BIO_printf(bio, "issuer=%s\n", buf); 2151 } else 2152 BIO_printf(bio, "no peer certificate available\n"); 2153 2154 sk2 = SSL_get_client_CA_list(s); 2155 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) { 2156 BIO_printf(bio, "---\nAcceptable client certificate CA names\n"); 2157 for (i = 0; i < sk_X509_NAME_num(sk2); i++) { 2158 xn = sk_X509_NAME_value(sk2, i); 2159 X509_NAME_oneline(xn, buf, sizeof(buf)); 2160 BIO_write(bio, buf, strlen(buf)); 2161 BIO_write(bio, "\n", 1); 2162 } 2163 } else { 2164 BIO_printf(bio, "---\nNo client certificate CA names sent\n"); 2165 } 2166 p = SSL_get_shared_ciphers(s, buf, sizeof buf); 2167 if (p != NULL) { 2168 /* 2169 * This works only for SSL 2. In later protocol versions, the 2170 * client does not know what other ciphers (in addition to the 2171 * one to be used in the current connection) the server supports. 2172 */ 2173 2174 BIO_printf(bio, 2175 "---\nCiphers common between both SSL endpoints:\n"); 2176 j = i = 0; 2177 while (*p) { 2178 if (*p == ':') { 2179 BIO_write(bio, space, 15 - j % 25); 2180 i++; 2181 j = 0; 2182 BIO_write(bio, ((i % 3) ? " " : "\n"), 1); 2183 } else { 2184 BIO_write(bio, p, 1); 2185 j++; 2186 } 2187 p++; 2188 } 2189 BIO_write(bio, "\n", 1); 2190 } 2191 2192 ssl_print_sigalgs(bio, s); 2193 ssl_print_tmp_key(bio, s); 2194 2195 BIO_printf(bio, 2196 "---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2197 BIO_number_read(SSL_get_rbio(s)), 2198 BIO_number_written(SSL_get_wbio(s))); 2199 } 2200 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, ")); 2201 c = SSL_get_current_cipher(s); 2202 BIO_printf(bio, "%s, Cipher is %s\n", 2203 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2204 if (peer != NULL) { 2205 EVP_PKEY *pktmp; 2206 pktmp = X509_get_pubkey(peer); 2207 BIO_printf(bio, "Server public key is %d bit\n", 2208 EVP_PKEY_bits(pktmp)); 2209 EVP_PKEY_free(pktmp); 2210 } 2211 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2212 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2213#ifndef OPENSSL_NO_COMP 2214 comp = SSL_get_current_compression(s); 2215 expansion = SSL_get_current_expansion(s); 2216 BIO_printf(bio, "Compression: %s\n", 2217 comp ? SSL_COMP_get_name(comp) : "NONE"); 2218 BIO_printf(bio, "Expansion: %s\n", 2219 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2220#endif 2221 2222#ifdef SSL_DEBUG 2223 { 2224 /* Print out local port of connection: useful for debugging */ 2225 int sock; 2226 struct sockaddr_in ladd; 2227 socklen_t ladd_size = sizeof(ladd); 2228 sock = SSL_get_fd(s); 2229 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2230 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2231 } 2232#endif 2233 2234#if !defined(OPENSSL_NO_TLSEXT) 2235# if !defined(OPENSSL_NO_NEXTPROTONEG) 2236 if (next_proto.status != -1) { 2237 const unsigned char *proto; 2238 unsigned int proto_len; 2239 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2240 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2241 BIO_write(bio, proto, proto_len); 2242 BIO_write(bio, "\n", 1); 2243 } 2244# endif 2245 { 2246 const unsigned char *proto; 2247 unsigned int proto_len; 2248 SSL_get0_alpn_selected(s, &proto, &proto_len); 2249 if (proto_len > 0) { 2250 BIO_printf(bio, "ALPN protocol: "); 2251 BIO_write(bio, proto, proto_len); 2252 BIO_write(bio, "\n", 1); 2253 } else 2254 BIO_printf(bio, "No ALPN negotiated\n"); 2255 } 2256#endif 2257 2258#ifndef OPENSSL_NO_SRTP 2259 { 2260 SRTP_PROTECTION_PROFILE *srtp_profile = 2261 SSL_get_selected_srtp_profile(s); 2262 2263 if (srtp_profile) 2264 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", 2265 srtp_profile->name); 2266 } 2267#endif 2268 2269 SSL_SESSION_print(bio, SSL_get_session(s)); 2270 if (keymatexportlabel != NULL) { 2271 BIO_printf(bio, "Keying material exporter:\n"); 2272 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2273 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2274 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2275 if (exportedkeymat != NULL) { 2276 if (!SSL_export_keying_material(s, exportedkeymat, 2277 keymatexportlen, 2278 keymatexportlabel, 2279 strlen(keymatexportlabel), 2280 NULL, 0, 0)) { 2281 BIO_printf(bio, " Error\n"); 2282 } else { 2283 BIO_printf(bio, " Keying material: "); 2284 for (i = 0; i < keymatexportlen; i++) 2285 BIO_printf(bio, "%02X", exportedkeymat[i]); 2286 BIO_printf(bio, "\n"); 2287 } 2288 OPENSSL_free(exportedkeymat); 2289 } 2290 } 2291 BIO_printf(bio, "---\n"); 2292 if (peer != NULL) 2293 X509_free(peer); 2294 /* flush, or debugging output gets mixed with http response */ 2295 (void)BIO_flush(bio); 2296} 2297 2298#ifndef OPENSSL_NO_TLSEXT 2299 2300static int ocsp_resp_cb(SSL *s, void *arg) 2301{ 2302 const unsigned char *p; 2303 int len; 2304 OCSP_RESPONSE *rsp; 2305 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2306 BIO_puts(arg, "OCSP response: "); 2307 if (!p) { 2308 BIO_puts(arg, "no response sent\n"); 2309 return 1; 2310 } 2311 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2312 if (!rsp) { 2313 BIO_puts(arg, "response parse error\n"); 2314 BIO_dump_indent(arg, (char *)p, len, 4); 2315 return 0; 2316 } 2317 BIO_puts(arg, "\n======================================\n"); 2318 OCSP_RESPONSE_print(arg, rsp, 0); 2319 BIO_puts(arg, "======================================\n"); 2320 OCSP_RESPONSE_free(rsp); 2321 return 1; 2322} 2323 2324#endif 2325