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 154typedef 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 193extern int verify_depth; 194extern int verify_error; 195extern int verify_return_error; 196 197#ifdef FIONBIO 198static int c_nbio=0; 199#endif 200static int c_Pause=0; 201static int c_debug=0; 202#ifndef OPENSSL_NO_TLSEXT 203static int c_tlsextdebug=0; 204static int c_status_req=0; 205#endif 206static int c_msg=0; 207static int c_showcerts=0; 208 209static char *keymatexportlabel=NULL; 210static int keymatexportlen=20; 211 212static void sc_usage(void); 213static void print_stuff(BIO *berr,SSL *con,int full); 214#ifndef OPENSSL_NO_TLSEXT 215static int ocsp_resp_cb(SSL *s, void *arg); 216#endif 217static BIO *bio_c_out=NULL; 218static int c_quiet=0; 219static int c_ign_eof=0; 220 221#ifndef OPENSSL_NO_PSK 222/* Default PSK identity and key */ 223static char *psk_identity="Client_identity"; 224/*char *psk_key=NULL; by default PSK is not used */ 225 226static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 227 unsigned int max_identity_len, unsigned char *psk, 228 unsigned int max_psk_len) 229 { 230 unsigned int psk_len = 0; 231 int ret; 232 BIGNUM *bn=NULL; 233 234 if (c_debug) 235 BIO_printf(bio_c_out, "psk_client_cb\n"); 236 if (!hint) 237 { 238 /* no ServerKeyExchange message*/ 239 if (c_debug) 240 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); 241 } 242 else if (c_debug) 243 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 244 245 /* lookup PSK identity and PSK key based on the given identity hint here */ 246 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 247 if (ret < 0 || (unsigned int)ret > max_identity_len) 248 goto out_err; 249 if (c_debug) 250 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); 251 ret=BN_hex2bn(&bn, psk_key); 252 if (!ret) 253 { 254 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 255 if (bn) 256 BN_free(bn); 257 return 0; 258 } 259 260 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) 261 { 262 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 263 max_psk_len, BN_num_bytes(bn)); 264 BN_free(bn); 265 return 0; 266 } 267 268 psk_len=BN_bn2bin(bn, psk); 269 BN_free(bn); 270 if (psk_len == 0) 271 goto out_err; 272 273 if (c_debug) 274 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 275 276 return psk_len; 277 out_err: 278 if (c_debug) 279 BIO_printf(bio_err, "Error in PSK client callback\n"); 280 return 0; 281 } 282#endif 283 284static void sc_usage(void) 285 { 286 BIO_printf(bio_err,"usage: s_client args\n"); 287 BIO_printf(bio_err,"\n"); 288 BIO_printf(bio_err," -host host - use -connect instead\n"); 289 BIO_printf(bio_err," -port port - use -connect instead\n"); 290 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); 291 292 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 293 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 294 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 295 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 296 BIO_printf(bio_err," not specified but cert file is.\n"); 297 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 298 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 299 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 300 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 301 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 302 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 303 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 304 BIO_printf(bio_err," -debug - extra output\n"); 305#ifdef WATT32 306 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 307#endif 308 BIO_printf(bio_err," -msg - Show protocol messages\n"); 309 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 310 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 311#ifdef FIONBIO 312 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 313#endif 314 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 315 BIO_printf(bio_err," -quiet - no s_client output\n"); 316 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 317 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 318#ifndef OPENSSL_NO_PSK 319 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 320 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 321# ifndef OPENSSL_NO_JPAKE 322 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 323# endif 324#endif 325#ifndef OPENSSL_NO_SRP 326 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 327 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 328 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 329 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 330 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 331#endif 332 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 333 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 334 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 335 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 336 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 337 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 338 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 339 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 340 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 341 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 342 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 343 BIO_printf(bio_err," command to see what is available\n"); 344 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 345 BIO_printf(bio_err," for those protocols that support it, where\n"); 346 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 347 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 348 BIO_printf(bio_err," are supported.\n"); 349#ifndef OPENSSL_NO_ENGINE 350 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 351#endif 352 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 353 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 354 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 355#ifndef OPENSSL_NO_TLSEXT 356 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 357 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 358 BIO_printf(bio_err," -status - request certificate status from server\n"); 359 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 360# ifndef OPENSSL_NO_NEXTPROTONEG 361 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 362# endif 363#endif 364 BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n"); 365 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 366#ifndef OPENSSL_NO_SRTP 367 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 368#endif 369 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 370 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 371 } 372 373#ifndef OPENSSL_NO_TLSEXT 374 375/* This is a context that we pass to callbacks */ 376typedef struct tlsextctx_st { 377 BIO * biodebug; 378 int ack; 379} tlsextctx; 380 381 382static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 383 { 384 tlsextctx * p = (tlsextctx *) arg; 385 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 386 if (SSL_get_servername_type(s) != -1) 387 p->ack = !SSL_session_reused(s) && hn != NULL; 388 else 389 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 390 391 return SSL_TLSEXT_ERR_OK; 392 } 393 394#ifndef OPENSSL_NO_SRP 395 396/* This is a context that we pass to all callbacks */ 397typedef struct srp_arg_st 398 { 399 char *srppassin; 400 char *srplogin; 401 int msg; /* copy from c_msg */ 402 int debug; /* copy from c_debug */ 403 int amp; /* allow more groups */ 404 int strength /* minimal size for N */ ; 405 } SRP_ARG; 406 407#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 408 409static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 410 { 411 BN_CTX *bn_ctx = BN_CTX_new(); 412 BIGNUM *p = BN_new(); 413 BIGNUM *r = BN_new(); 414 int ret = 415 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 416 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 417 p != NULL && BN_rshift1(p, N) && 418 419 /* p = (N-1)/2 */ 420 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 421 r != NULL && 422 423 /* verify g^((N-1)/2) == -1 (mod N) */ 424 BN_mod_exp(r, g, p, N, bn_ctx) && 425 BN_add_word(r, 1) && 426 BN_cmp(r, N) == 0; 427 428 if(r) 429 BN_free(r); 430 if(p) 431 BN_free(p); 432 if(bn_ctx) 433 BN_CTX_free(bn_ctx); 434 return ret; 435 } 436 437/* This callback is used here for two purposes: 438 - extended debugging 439 - making some primality tests for unknown groups 440 The callback is only called for a non default group. 441 442 An application does not need the call back at all if 443 only the stanard groups are used. In real life situations, 444 client and server already share well known groups, 445 thus there is no need to verify them. 446 Furthermore, in case that a server actually proposes a group that 447 is not one of those defined in RFC 5054, it is more appropriate 448 to add the group to a static list and then compare since 449 primality tests are rather cpu consuming. 450*/ 451 452static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 453 { 454 SRP_ARG *srp_arg = (SRP_ARG *)arg; 455 BIGNUM *N = NULL, *g = NULL; 456 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 457 return 0; 458 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 459 { 460 BIO_printf(bio_err, "SRP parameters:\n"); 461 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 462 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 463 BIO_printf(bio_err,"\n"); 464 } 465 466 if (SRP_check_known_gN_param(g,N)) 467 return 1; 468 469 if (srp_arg->amp == 1) 470 { 471 if (srp_arg->debug) 472 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 473 474/* The srp_moregroups is a real debugging feature. 475 Implementors should rather add the value to the known ones. 476 The minimal size has already been tested. 477*/ 478 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 479 return 1; 480 } 481 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 482 return 0; 483 } 484 485#define PWD_STRLEN 1024 486 487static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 488 { 489 SRP_ARG *srp_arg = (SRP_ARG *)arg; 490 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 491 PW_CB_DATA cb_tmp; 492 int l; 493 494 cb_tmp.password = (char *)srp_arg->srppassin; 495 cb_tmp.prompt_info = "SRP user"; 496 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 497 { 498 BIO_printf (bio_err, "Can't read Password\n"); 499 OPENSSL_free(pass); 500 return NULL; 501 } 502 *(pass+l)= '\0'; 503 504 return pass; 505 } 506 507#endif 508#ifndef OPENSSL_NO_SRTP 509 char *srtp_profiles = NULL; 510#endif 511 512# ifndef OPENSSL_NO_NEXTPROTONEG 513/* This the context that we pass to next_proto_cb */ 514typedef struct tlsextnextprotoctx_st { 515 unsigned char *data; 516 unsigned short len; 517 int status; 518} tlsextnextprotoctx; 519 520static tlsextnextprotoctx next_proto; 521 522static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 523 { 524 tlsextnextprotoctx *ctx = arg; 525 526 if (!c_quiet) 527 { 528 /* We can assume that |in| is syntactically valid. */ 529 unsigned i; 530 BIO_printf(bio_c_out, "Protocols advertised by server: "); 531 for (i = 0; i < inlen; ) 532 { 533 if (i) 534 BIO_write(bio_c_out, ", ", 2); 535 BIO_write(bio_c_out, &in[i + 1], in[i]); 536 i += in[i] + 1; 537 } 538 BIO_write(bio_c_out, "\n", 1); 539 } 540 541 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 542 return SSL_TLSEXT_ERR_OK; 543 } 544# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 545#endif 546 547enum 548{ 549 PROTO_OFF = 0, 550 PROTO_SMTP, 551 PROTO_POP3, 552 PROTO_IMAP, 553 PROTO_FTP, 554 PROTO_XMPP 555}; 556 557int MAIN(int, char **); 558 559int MAIN(int argc, char **argv) 560 { 561 unsigned int off=0, clr=0; 562 SSL *con=NULL; 563#ifndef OPENSSL_NO_KRB5 564 KSSL_CTX *kctx; 565#endif 566 int s,k,width,state=0; 567 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 568 int cbuf_len,cbuf_off; 569 int sbuf_len,sbuf_off; 570 fd_set readfds,writefds; 571 short port=PORT; 572 int full_log=1; 573 char *host=SSL_HOST_NAME; 574 char *cert_file=NULL,*key_file=NULL; 575 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 576 char *passarg = NULL, *pass = NULL; 577 X509 *cert = NULL; 578 EVP_PKEY *key = NULL; 579 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 580 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 581 int cutthrough=0; 582 int crlf=0; 583 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 584 SSL_CTX *ctx=NULL; 585 int ret=1,in_init=1,i,nbio_test=0; 586 int starttls_proto = PROTO_OFF; 587 int prexit = 0; 588 X509_VERIFY_PARAM *vpm = NULL; 589 int badarg = 0; 590 const SSL_METHOD *meth=NULL; 591 int socket_type=SOCK_STREAM; 592 BIO *sbio; 593 char *inrand=NULL; 594 int mbuf_len=0; 595 struct timeval timeout, *timeoutp; 596#ifndef OPENSSL_NO_ENGINE 597 char *engine_id=NULL; 598 char *ssl_client_engine_id=NULL; 599 ENGINE *ssl_client_engine=NULL; 600#endif 601 ENGINE *e=NULL; 602#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 603 struct timeval tv; 604#if defined(OPENSSL_SYS_BEOS_R5) 605 int stdin_set = 0; 606#endif 607#endif 608#ifndef OPENSSL_NO_TLSEXT 609 char *servername = NULL; 610 tlsextctx tlsextcbp = 611 {NULL,0}; 612# ifndef OPENSSL_NO_NEXTPROTONEG 613 const char *next_proto_neg_in = NULL; 614# endif 615#endif 616 char *sess_in = NULL; 617 char *sess_out = NULL; 618 struct sockaddr peer; 619 int peerlen = sizeof(peer); 620 int enable_timeouts = 0 ; 621 long socket_mtu = 0; 622#ifndef OPENSSL_NO_JPAKE 623 char *jpake_secret = NULL; 624#endif 625#ifndef OPENSSL_NO_SRP 626 char * srppass = NULL; 627 int srp_lateuser = 0; 628 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 629#endif 630 631 meth=SSLv23_client_method(); 632 633 apps_startup(); 634 c_Pause=0; 635 c_quiet=0; 636 c_ign_eof=0; 637 c_debug=0; 638 c_msg=0; 639 c_showcerts=0; 640 641 if (bio_err == NULL) 642 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 643 644 if (!load_config(bio_err, NULL)) 645 goto end; 646 647 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 648 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 649 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 650 { 651 BIO_printf(bio_err,"out of memory\n"); 652 goto end; 653 } 654 655 verify_depth=0; 656 verify_error=X509_V_OK; 657#ifdef FIONBIO 658 c_nbio=0; 659#endif 660 661 argc--; 662 argv++; 663 while (argc >= 1) 664 { 665 if (strcmp(*argv,"-host") == 0) 666 { 667 if (--argc < 1) goto bad; 668 host= *(++argv); 669 } 670 else if (strcmp(*argv,"-port") == 0) 671 { 672 if (--argc < 1) goto bad; 673 port=atoi(*(++argv)); 674 if (port == 0) goto bad; 675 } 676 else if (strcmp(*argv,"-connect") == 0) 677 { 678 if (--argc < 1) goto bad; 679 if (!extract_host_port(*(++argv),&host,NULL,&port)) 680 goto bad; 681 } 682 else if (strcmp(*argv,"-verify") == 0) 683 { 684 verify=SSL_VERIFY_PEER; 685 if (--argc < 1) goto bad; 686 verify_depth=atoi(*(++argv)); 687 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 688 } 689 else if (strcmp(*argv,"-cert") == 0) 690 { 691 if (--argc < 1) goto bad; 692 cert_file= *(++argv); 693 } 694 else if (strcmp(*argv,"-sess_out") == 0) 695 { 696 if (--argc < 1) goto bad; 697 sess_out = *(++argv); 698 } 699 else if (strcmp(*argv,"-sess_in") == 0) 700 { 701 if (--argc < 1) goto bad; 702 sess_in = *(++argv); 703 } 704 else if (strcmp(*argv,"-certform") == 0) 705 { 706 if (--argc < 1) goto bad; 707 cert_format = str2fmt(*(++argv)); 708 } 709 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 710 { 711 if (badarg) 712 goto bad; 713 continue; 714 } 715 else if (strcmp(*argv,"-verify_return_error") == 0) 716 verify_return_error = 1; 717 else if (strcmp(*argv,"-prexit") == 0) 718 prexit=1; 719 else if (strcmp(*argv,"-crlf") == 0) 720 crlf=1; 721 else if (strcmp(*argv,"-quiet") == 0) 722 { 723 c_quiet=1; 724 c_ign_eof=1; 725 } 726 else if (strcmp(*argv,"-ign_eof") == 0) 727 c_ign_eof=1; 728 else if (strcmp(*argv,"-no_ign_eof") == 0) 729 c_ign_eof=0; 730 else if (strcmp(*argv,"-pause") == 0) 731 c_Pause=1; 732 else if (strcmp(*argv,"-debug") == 0) 733 c_debug=1; 734#ifndef OPENSSL_NO_TLSEXT 735 else if (strcmp(*argv,"-tlsextdebug") == 0) 736 c_tlsextdebug=1; 737 else if (strcmp(*argv,"-status") == 0) 738 c_status_req=1; 739#endif 740#ifdef WATT32 741 else if (strcmp(*argv,"-wdebug") == 0) 742 dbug_init(); 743#endif 744 else if (strcmp(*argv,"-msg") == 0) 745 c_msg=1; 746 else if (strcmp(*argv,"-showcerts") == 0) 747 c_showcerts=1; 748 else if (strcmp(*argv,"-nbio_test") == 0) 749 nbio_test=1; 750 else if (strcmp(*argv,"-state") == 0) 751 state=1; 752#ifndef OPENSSL_NO_PSK 753 else if (strcmp(*argv,"-psk_identity") == 0) 754 { 755 if (--argc < 1) goto bad; 756 psk_identity=*(++argv); 757 } 758 else if (strcmp(*argv,"-psk") == 0) 759 { 760 size_t j; 761 762 if (--argc < 1) goto bad; 763 psk_key=*(++argv); 764 for (j = 0; j < strlen(psk_key); j++) 765 { 766 if (isxdigit((unsigned char)psk_key[j])) 767 continue; 768 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 769 goto bad; 770 } 771 } 772#endif 773#ifndef OPENSSL_NO_SRP 774 else if (strcmp(*argv,"-srpuser") == 0) 775 { 776 if (--argc < 1) goto bad; 777 srp_arg.srplogin= *(++argv); 778 meth=TLSv1_client_method(); 779 } 780 else if (strcmp(*argv,"-srppass") == 0) 781 { 782 if (--argc < 1) goto bad; 783 srppass= *(++argv); 784 meth=TLSv1_client_method(); 785 } 786 else if (strcmp(*argv,"-srp_strength") == 0) 787 { 788 if (--argc < 1) goto bad; 789 srp_arg.strength=atoi(*(++argv)); 790 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 791 meth=TLSv1_client_method(); 792 } 793 else if (strcmp(*argv,"-srp_lateuser") == 0) 794 { 795 srp_lateuser= 1; 796 meth=TLSv1_client_method(); 797 } 798 else if (strcmp(*argv,"-srp_moregroups") == 0) 799 { 800 srp_arg.amp=1; 801 meth=TLSv1_client_method(); 802 } 803#endif 804#ifndef OPENSSL_NO_SSL2 805 else if (strcmp(*argv,"-ssl2") == 0) 806 meth=SSLv2_client_method(); 807#endif 808#ifndef OPENSSL_NO_SSL3 809 else if (strcmp(*argv,"-ssl3") == 0) 810 meth=SSLv3_client_method(); 811#endif 812#ifndef OPENSSL_NO_TLS1 813 else if (strcmp(*argv,"-tls1_2") == 0) 814 meth=TLSv1_2_client_method(); 815 else if (strcmp(*argv,"-tls1_1") == 0) 816 meth=TLSv1_1_client_method(); 817 else if (strcmp(*argv,"-tls1") == 0) 818 meth=TLSv1_client_method(); 819#endif 820#ifndef OPENSSL_NO_DTLS1 821 else if (strcmp(*argv,"-dtls1") == 0) 822 { 823 meth=DTLSv1_client_method(); 824 socket_type=SOCK_DGRAM; 825 } 826 else if (strcmp(*argv,"-timeout") == 0) 827 enable_timeouts=1; 828 else if (strcmp(*argv,"-mtu") == 0) 829 { 830 if (--argc < 1) goto bad; 831 socket_mtu = atol(*(++argv)); 832 } 833#endif 834 else if (strcmp(*argv,"-bugs") == 0) 835 bugs=1; 836 else if (strcmp(*argv,"-keyform") == 0) 837 { 838 if (--argc < 1) goto bad; 839 key_format = str2fmt(*(++argv)); 840 } 841 else if (strcmp(*argv,"-pass") == 0) 842 { 843 if (--argc < 1) goto bad; 844 passarg = *(++argv); 845 } 846 else if (strcmp(*argv,"-key") == 0) 847 { 848 if (--argc < 1) goto bad; 849 key_file= *(++argv); 850 } 851 else if (strcmp(*argv,"-reconnect") == 0) 852 { 853 reconnect=5; 854 } 855 else if (strcmp(*argv,"-CApath") == 0) 856 { 857 if (--argc < 1) goto bad; 858 CApath= *(++argv); 859 } 860 else if (strcmp(*argv,"-CAfile") == 0) 861 { 862 if (--argc < 1) goto bad; 863 CAfile= *(++argv); 864 } 865 else if (strcmp(*argv,"-no_tls1_2") == 0) 866 off|=SSL_OP_NO_TLSv1_2; 867 else if (strcmp(*argv,"-no_tls1_1") == 0) 868 off|=SSL_OP_NO_TLSv1_1; 869 else if (strcmp(*argv,"-no_tls1") == 0) 870 off|=SSL_OP_NO_TLSv1; 871 else if (strcmp(*argv,"-no_ssl3") == 0) 872 off|=SSL_OP_NO_SSLv3; 873 else if (strcmp(*argv,"-no_ssl2") == 0) 874 off|=SSL_OP_NO_SSLv2; 875 else if (strcmp(*argv,"-no_comp") == 0) 876 { off|=SSL_OP_NO_COMPRESSION; } 877#ifndef OPENSSL_NO_TLSEXT 878 else if (strcmp(*argv,"-no_ticket") == 0) 879 { off|=SSL_OP_NO_TICKET; } 880# ifndef OPENSSL_NO_NEXTPROTONEG 881 else if (strcmp(*argv,"-nextprotoneg") == 0) 882 { 883 if (--argc < 1) goto bad; 884 next_proto_neg_in = *(++argv); 885 } 886# endif 887#endif 888 else if (strcmp(*argv,"-cutthrough") == 0) 889 cutthrough=1; 890 else if (strcmp(*argv,"-serverpref") == 0) 891 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 892 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 893 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 894 else if (strcmp(*argv,"-legacy_server_connect") == 0) 895 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 896 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 897 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 898 else if (strcmp(*argv,"-cipher") == 0) 899 { 900 if (--argc < 1) goto bad; 901 cipher= *(++argv); 902 } 903#ifdef FIONBIO 904 else if (strcmp(*argv,"-nbio") == 0) 905 { c_nbio=1; } 906#endif 907 else if (strcmp(*argv,"-starttls") == 0) 908 { 909 if (--argc < 1) goto bad; 910 ++argv; 911 if (strcmp(*argv,"smtp") == 0) 912 starttls_proto = PROTO_SMTP; 913 else if (strcmp(*argv,"pop3") == 0) 914 starttls_proto = PROTO_POP3; 915 else if (strcmp(*argv,"imap") == 0) 916 starttls_proto = PROTO_IMAP; 917 else if (strcmp(*argv,"ftp") == 0) 918 starttls_proto = PROTO_FTP; 919 else if (strcmp(*argv, "xmpp") == 0) 920 starttls_proto = PROTO_XMPP; 921 else 922 goto bad; 923 } 924#ifndef OPENSSL_NO_ENGINE 925 else if (strcmp(*argv,"-engine") == 0) 926 { 927 if (--argc < 1) goto bad; 928 engine_id = *(++argv); 929 } 930 else if (strcmp(*argv,"-ssl_client_engine") == 0) 931 { 932 if (--argc < 1) goto bad; 933 ssl_client_engine_id = *(++argv); 934 } 935#endif 936 else if (strcmp(*argv,"-rand") == 0) 937 { 938 if (--argc < 1) goto bad; 939 inrand= *(++argv); 940 } 941#ifndef OPENSSL_NO_TLSEXT 942 else if (strcmp(*argv,"-servername") == 0) 943 { 944 if (--argc < 1) goto bad; 945 servername= *(++argv); 946 /* meth=TLSv1_client_method(); */ 947 } 948#endif 949#ifndef OPENSSL_NO_JPAKE 950 else if (strcmp(*argv,"-jpake") == 0) 951 { 952 if (--argc < 1) goto bad; 953 jpake_secret = *++argv; 954 } 955#endif 956#ifndef OPENSSL_NO_SRTP 957 else if (strcmp(*argv,"-use_srtp") == 0) 958 { 959 if (--argc < 1) goto bad; 960 srtp_profiles = *(++argv); 961 } 962#endif 963 else if (strcmp(*argv,"-keymatexport") == 0) 964 { 965 if (--argc < 1) goto bad; 966 keymatexportlabel= *(++argv); 967 } 968 else if (strcmp(*argv,"-keymatexportlen") == 0) 969 { 970 if (--argc < 1) goto bad; 971 keymatexportlen=atoi(*(++argv)); 972 if (keymatexportlen == 0) goto bad; 973 } 974 else 975 { 976 BIO_printf(bio_err,"unknown option %s\n",*argv); 977 badop=1; 978 break; 979 } 980 argc--; 981 argv++; 982 } 983 if (badop) 984 { 985bad: 986 sc_usage(); 987 goto end; 988 } 989 990#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 991 if (jpake_secret) 992 { 993 if (psk_key) 994 { 995 BIO_printf(bio_err, 996 "Can't use JPAKE and PSK together\n"); 997 goto end; 998 } 999 psk_identity = "JPAKE"; 1000 if (cipher) 1001 { 1002 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1003 goto end; 1004 } 1005 cipher = "PSK"; 1006 } 1007#endif 1008 1009 OpenSSL_add_ssl_algorithms(); 1010 SSL_load_error_strings(); 1011 1012#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1013 next_proto.status = -1; 1014 if (next_proto_neg_in) 1015 { 1016 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1017 if (next_proto.data == NULL) 1018 { 1019 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1020 goto end; 1021 } 1022 } 1023 else 1024 next_proto.data = NULL; 1025#endif 1026 1027#ifndef OPENSSL_NO_ENGINE 1028 e = setup_engine(bio_err, engine_id, 1); 1029 if (ssl_client_engine_id) 1030 { 1031 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1032 if (!ssl_client_engine) 1033 { 1034 BIO_printf(bio_err, 1035 "Error getting client auth engine\n"); 1036 goto end; 1037 } 1038 } 1039 1040#endif 1041 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1042 { 1043 BIO_printf(bio_err, "Error getting password\n"); 1044 goto end; 1045 } 1046 1047 if (key_file == NULL) 1048 key_file = cert_file; 1049 1050 1051 if (key_file) 1052 1053 { 1054 1055 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1056 "client certificate private key file"); 1057 if (!key) 1058 { 1059 ERR_print_errors(bio_err); 1060 goto end; 1061 } 1062 1063 } 1064 1065 if (cert_file) 1066 1067 { 1068 cert = load_cert(bio_err,cert_file,cert_format, 1069 NULL, e, "client certificate file"); 1070 1071 if (!cert) 1072 { 1073 ERR_print_errors(bio_err); 1074 goto end; 1075 } 1076 } 1077 1078 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1079 && !RAND_status()) 1080 { 1081 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1082 } 1083 if (inrand != NULL) 1084 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1085 app_RAND_load_files(inrand)); 1086 1087 if (bio_c_out == NULL) 1088 { 1089 if (c_quiet && !c_debug && !c_msg) 1090 { 1091 bio_c_out=BIO_new(BIO_s_null()); 1092 } 1093 else 1094 { 1095 if (bio_c_out == NULL) 1096 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1097 } 1098 } 1099 1100#ifndef OPENSSL_NO_SRP 1101 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1102 { 1103 BIO_printf(bio_err, "Error getting password\n"); 1104 goto end; 1105 } 1106#endif 1107 1108 ctx=SSL_CTX_new(meth); 1109 if (ctx == NULL) 1110 { 1111 ERR_print_errors(bio_err); 1112 goto end; 1113 } 1114 1115 if (vpm) 1116 SSL_CTX_set1_param(ctx, vpm); 1117 1118#ifndef OPENSSL_NO_ENGINE 1119 if (ssl_client_engine) 1120 { 1121 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1122 { 1123 BIO_puts(bio_err, "Error setting client auth engine\n"); 1124 ERR_print_errors(bio_err); 1125 ENGINE_free(ssl_client_engine); 1126 goto end; 1127 } 1128 ENGINE_free(ssl_client_engine); 1129 } 1130#endif 1131 1132#ifndef OPENSSL_NO_PSK 1133#ifdef OPENSSL_NO_JPAKE 1134 if (psk_key != NULL) 1135#else 1136 if (psk_key != NULL || jpake_secret) 1137#endif 1138 { 1139 if (c_debug) 1140 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1141 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1142 } 1143#endif 1144#ifndef OPENSSL_NO_SRTP 1145 if (srtp_profiles != NULL) 1146 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1147#endif 1148 if (bugs) 1149 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1150 else 1151 SSL_CTX_set_options(ctx,off); 1152 1153 if (clr) 1154 SSL_CTX_clear_options(ctx, clr); 1155 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1156 * Setting read ahead solves this problem. 1157 */ 1158 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1159 1160#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1161 if (next_proto.data) 1162 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1163#endif 1164 1165 /* Enable handshake cutthrough for client connections using 1166 * strong ciphers. */ 1167 if (cutthrough) 1168 { 1169 int ssl_mode = SSL_CTX_get_mode(ctx); 1170 ssl_mode |= SSL_MODE_HANDSHAKE_CUTTHROUGH; 1171 SSL_CTX_set_mode(ctx, ssl_mode); 1172 } 1173 1174 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1175 if (cipher != NULL) 1176 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1177 BIO_printf(bio_err,"error setting cipher list\n"); 1178 ERR_print_errors(bio_err); 1179 goto end; 1180 } 1181#if 0 1182 else 1183 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1184#endif 1185 1186 SSL_CTX_set_verify(ctx,verify,verify_callback); 1187 if (!set_cert_key_stuff(ctx,cert,key)) 1188 goto end; 1189 1190 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1191 (!SSL_CTX_set_default_verify_paths(ctx))) 1192 { 1193 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1194 ERR_print_errors(bio_err); 1195 /* goto end; */ 1196 } 1197 1198#ifndef OPENSSL_NO_TLSEXT 1199 if (servername != NULL) 1200 { 1201 tlsextcbp.biodebug = bio_err; 1202 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1203 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1204 } 1205#ifndef OPENSSL_NO_SRP 1206 if (srp_arg.srplogin) 1207 { 1208 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1209 { 1210 BIO_printf(bio_err,"Unable to set SRP username\n"); 1211 goto end; 1212 } 1213 srp_arg.msg = c_msg; 1214 srp_arg.debug = c_debug ; 1215 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1216 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1217 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1218 if (c_msg || c_debug || srp_arg.amp == 0) 1219 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1220 } 1221 1222#endif 1223#endif 1224 1225 con=SSL_new(ctx); 1226 if (sess_in) 1227 { 1228 SSL_SESSION *sess; 1229 BIO *stmp = BIO_new_file(sess_in, "r"); 1230 if (!stmp) 1231 { 1232 BIO_printf(bio_err, "Can't open session file %s\n", 1233 sess_in); 1234 ERR_print_errors(bio_err); 1235 goto end; 1236 } 1237 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1238 BIO_free(stmp); 1239 if (!sess) 1240 { 1241 BIO_printf(bio_err, "Can't open session file %s\n", 1242 sess_in); 1243 ERR_print_errors(bio_err); 1244 goto end; 1245 } 1246 SSL_set_session(con, sess); 1247 SSL_SESSION_free(sess); 1248 } 1249#ifndef OPENSSL_NO_TLSEXT 1250 if (servername != NULL) 1251 { 1252 if (!SSL_set_tlsext_host_name(con,servername)) 1253 { 1254 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1255 ERR_print_errors(bio_err); 1256 goto end; 1257 } 1258 } 1259#endif 1260#ifndef OPENSSL_NO_KRB5 1261 if (con && (kctx = kssl_ctx_new()) != NULL) 1262 { 1263 SSL_set0_kssl_ctx(con, kctx); 1264 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1265 } 1266#endif /* OPENSSL_NO_KRB5 */ 1267/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1268#if 0 1269#ifdef TLSEXT_TYPE_opaque_prf_input 1270 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1271#endif 1272#endif 1273 1274re_start: 1275 1276 if (init_client(&s,host,port,socket_type) == 0) 1277 { 1278 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1279 SHUTDOWN(s); 1280 goto end; 1281 } 1282 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1283 1284#ifdef FIONBIO 1285 if (c_nbio) 1286 { 1287 unsigned long l=1; 1288 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1289 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1290 { 1291 ERR_print_errors(bio_err); 1292 goto end; 1293 } 1294 } 1295#endif 1296 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1297 1298 if ( SSL_version(con) == DTLS1_VERSION) 1299 { 1300 1301 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1302 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1303 { 1304 BIO_printf(bio_err, "getsockname:errno=%d\n", 1305 get_last_socket_error()); 1306 SHUTDOWN(s); 1307 goto end; 1308 } 1309 1310 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1311 1312 if (enable_timeouts) 1313 { 1314 timeout.tv_sec = 0; 1315 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1316 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1317 1318 timeout.tv_sec = 0; 1319 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1320 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1321 } 1322 1323 if (socket_mtu > 28) 1324 { 1325 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1326 SSL_set_mtu(con, socket_mtu - 28); 1327 } 1328 else 1329 /* want to do MTU discovery */ 1330 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1331 } 1332 else 1333 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1334 1335 if (nbio_test) 1336 { 1337 BIO *test; 1338 1339 test=BIO_new(BIO_f_nbio_test()); 1340 sbio=BIO_push(test,sbio); 1341 } 1342 1343 if (c_debug) 1344 { 1345 SSL_set_debug(con, 1); 1346 BIO_set_callback(sbio,bio_dump_callback); 1347 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1348 } 1349 if (c_msg) 1350 { 1351 SSL_set_msg_callback(con, msg_cb); 1352 SSL_set_msg_callback_arg(con, bio_c_out); 1353 } 1354#ifndef OPENSSL_NO_TLSEXT 1355 if (c_tlsextdebug) 1356 { 1357 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1358 SSL_set_tlsext_debug_arg(con, bio_c_out); 1359 } 1360 if (c_status_req) 1361 { 1362 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1363 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1364 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1365#if 0 1366{ 1367STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1368OCSP_RESPID *id = OCSP_RESPID_new(); 1369id->value.byKey = ASN1_OCTET_STRING_new(); 1370id->type = V_OCSP_RESPID_KEY; 1371ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1372sk_OCSP_RESPID_push(ids, id); 1373SSL_set_tlsext_status_ids(con, ids); 1374} 1375#endif 1376 } 1377#endif 1378#ifndef OPENSSL_NO_JPAKE 1379 if (jpake_secret) 1380 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1381#endif 1382 1383 SSL_set_bio(con,sbio,sbio); 1384 SSL_set_connect_state(con); 1385 1386 /* ok, lets connect */ 1387 width=SSL_get_fd(con)+1; 1388 1389 read_tty=1; 1390 write_tty=0; 1391 tty_on=0; 1392 read_ssl=1; 1393 write_ssl=1; 1394 1395 cbuf_len=0; 1396 cbuf_off=0; 1397 sbuf_len=0; 1398 sbuf_off=0; 1399 1400 /* This is an ugly hack that does a lot of assumptions */ 1401 /* We do have to handle multi-line responses which may come 1402 in a single packet or not. We therefore have to use 1403 BIO_gets() which does need a buffering BIO. So during 1404 the initial chitchat we do push a buffering BIO into the 1405 chain that is removed again later on to not disturb the 1406 rest of the s_client operation. */ 1407 if (starttls_proto == PROTO_SMTP) 1408 { 1409 int foundit=0; 1410 BIO *fbio = BIO_new(BIO_f_buffer()); 1411 BIO_push(fbio, sbio); 1412 /* wait for multi-line response to end from SMTP */ 1413 do 1414 { 1415 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1416 } 1417 while (mbuf_len>3 && mbuf[3]=='-'); 1418 /* STARTTLS command requires EHLO... */ 1419 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1420 (void)BIO_flush(fbio); 1421 /* wait for multi-line response to end EHLO SMTP response */ 1422 do 1423 { 1424 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1425 if (strstr(mbuf,"STARTTLS")) 1426 foundit=1; 1427 } 1428 while (mbuf_len>3 && mbuf[3]=='-'); 1429 (void)BIO_flush(fbio); 1430 BIO_pop(fbio); 1431 BIO_free(fbio); 1432 if (!foundit) 1433 BIO_printf(bio_err, 1434 "didn't found starttls in server response," 1435 " try anyway...\n"); 1436 BIO_printf(sbio,"STARTTLS\r\n"); 1437 BIO_read(sbio,sbuf,BUFSIZZ); 1438 } 1439 else if (starttls_proto == PROTO_POP3) 1440 { 1441 BIO_read(sbio,mbuf,BUFSIZZ); 1442 BIO_printf(sbio,"STLS\r\n"); 1443 BIO_read(sbio,sbuf,BUFSIZZ); 1444 } 1445 else if (starttls_proto == PROTO_IMAP) 1446 { 1447 int foundit=0; 1448 BIO *fbio = BIO_new(BIO_f_buffer()); 1449 BIO_push(fbio, sbio); 1450 BIO_gets(fbio,mbuf,BUFSIZZ); 1451 /* STARTTLS command requires CAPABILITY... */ 1452 BIO_printf(fbio,". CAPABILITY\r\n"); 1453 (void)BIO_flush(fbio); 1454 /* wait for multi-line CAPABILITY response */ 1455 do 1456 { 1457 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1458 if (strstr(mbuf,"STARTTLS")) 1459 foundit=1; 1460 } 1461 while (mbuf_len>3 && mbuf[0]!='.'); 1462 (void)BIO_flush(fbio); 1463 BIO_pop(fbio); 1464 BIO_free(fbio); 1465 if (!foundit) 1466 BIO_printf(bio_err, 1467 "didn't found STARTTLS in server response," 1468 " try anyway...\n"); 1469 BIO_printf(sbio,". STARTTLS\r\n"); 1470 BIO_read(sbio,sbuf,BUFSIZZ); 1471 } 1472 else if (starttls_proto == PROTO_FTP) 1473 { 1474 BIO *fbio = BIO_new(BIO_f_buffer()); 1475 BIO_push(fbio, sbio); 1476 /* wait for multi-line response to end from FTP */ 1477 do 1478 { 1479 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1480 } 1481 while (mbuf_len>3 && mbuf[3]=='-'); 1482 (void)BIO_flush(fbio); 1483 BIO_pop(fbio); 1484 BIO_free(fbio); 1485 BIO_printf(sbio,"AUTH TLS\r\n"); 1486 BIO_read(sbio,sbuf,BUFSIZZ); 1487 } 1488 if (starttls_proto == PROTO_XMPP) 1489 { 1490 int seen = 0; 1491 BIO_printf(sbio,"<stream:stream " 1492 "xmlns:stream='http://etherx.jabber.org/streams' " 1493 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1494 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1495 mbuf[seen] = 0; 1496 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1497 { 1498 if (strstr(mbuf, "/stream:features>")) 1499 goto shut; 1500 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1501 mbuf[seen] = 0; 1502 } 1503 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1504 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1505 sbuf[seen] = 0; 1506 if (!strstr(sbuf, "<proceed")) 1507 goto shut; 1508 mbuf[0] = 0; 1509 } 1510 1511 for (;;) 1512 { 1513 FD_ZERO(&readfds); 1514 FD_ZERO(&writefds); 1515 1516 if ((SSL_version(con) == DTLS1_VERSION) && 1517 DTLSv1_get_timeout(con, &timeout)) 1518 timeoutp = &timeout; 1519 else 1520 timeoutp = NULL; 1521 1522 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1523 { 1524 in_init=1; 1525 tty_on=0; 1526 } 1527 else 1528 { 1529 tty_on=1; 1530 if (in_init) 1531 { 1532 in_init=0; 1533#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1534#ifndef OPENSSL_NO_TLSEXT 1535 if (servername != NULL && !SSL_session_reused(con)) 1536 { 1537 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1538 } 1539#endif 1540#endif 1541 if (sess_out) 1542 { 1543 BIO *stmp = BIO_new_file(sess_out, "w"); 1544 if (stmp) 1545 { 1546 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1547 BIO_free(stmp); 1548 } 1549 else 1550 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1551 } 1552 print_stuff(bio_c_out,con,full_log); 1553 if (full_log > 0) full_log--; 1554 1555 if (starttls_proto) 1556 { 1557 BIO_printf(bio_err,"%s",mbuf); 1558 /* We don't need to know any more */ 1559 starttls_proto = PROTO_OFF; 1560 } 1561 1562 if (reconnect) 1563 { 1564 reconnect--; 1565 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1566 SSL_shutdown(con); 1567 SSL_set_connect_state(con); 1568 SHUTDOWN(SSL_get_fd(con)); 1569 goto re_start; 1570 } 1571 } 1572 } 1573 1574 ssl_pending = read_ssl && SSL_pending(con); 1575 1576 if (!ssl_pending) 1577 { 1578#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1579 if (tty_on) 1580 { 1581 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1582 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1583 } 1584 if (read_ssl) 1585 openssl_fdset(SSL_get_fd(con),&readfds); 1586 if (write_ssl) 1587 openssl_fdset(SSL_get_fd(con),&writefds); 1588#else 1589 if(!tty_on || !write_tty) { 1590 if (read_ssl) 1591 openssl_fdset(SSL_get_fd(con),&readfds); 1592 if (write_ssl) 1593 openssl_fdset(SSL_get_fd(con),&writefds); 1594 } 1595#endif 1596/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1597 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1598 1599 /* Note: under VMS with SOCKETSHR the second parameter 1600 * is currently of type (int *) whereas under other 1601 * systems it is (void *) if you don't have a cast it 1602 * will choke the compiler: if you do have a cast then 1603 * you can either go for (int *) or (void *). 1604 */ 1605#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1606 /* Under Windows/DOS we make the assumption that we can 1607 * always write to the tty: therefore if we need to 1608 * write to the tty we just fall through. Otherwise 1609 * we timeout the select every second and see if there 1610 * are any keypresses. Note: this is a hack, in a proper 1611 * Windows application we wouldn't do this. 1612 */ 1613 i=0; 1614 if(!write_tty) { 1615 if(read_tty) { 1616 tv.tv_sec = 1; 1617 tv.tv_usec = 0; 1618 i=select(width,(void *)&readfds,(void *)&writefds, 1619 NULL,&tv); 1620#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1621 if(!i && (!_kbhit() || !read_tty) ) continue; 1622#else 1623 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1624#endif 1625 } else i=select(width,(void *)&readfds,(void *)&writefds, 1626 NULL,timeoutp); 1627 } 1628#elif defined(OPENSSL_SYS_NETWARE) 1629 if(!write_tty) { 1630 if(read_tty) { 1631 tv.tv_sec = 1; 1632 tv.tv_usec = 0; 1633 i=select(width,(void *)&readfds,(void *)&writefds, 1634 NULL,&tv); 1635 } else i=select(width,(void *)&readfds,(void *)&writefds, 1636 NULL,timeoutp); 1637 } 1638#elif defined(OPENSSL_SYS_BEOS_R5) 1639 /* Under BeOS-R5 the situation is similar to DOS */ 1640 i=0; 1641 stdin_set = 0; 1642 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1643 if(!write_tty) { 1644 if(read_tty) { 1645 tv.tv_sec = 1; 1646 tv.tv_usec = 0; 1647 i=select(width,(void *)&readfds,(void *)&writefds, 1648 NULL,&tv); 1649 if (read(fileno(stdin), sbuf, 0) >= 0) 1650 stdin_set = 1; 1651 if (!i && (stdin_set != 1 || !read_tty)) 1652 continue; 1653 } else i=select(width,(void *)&readfds,(void *)&writefds, 1654 NULL,timeoutp); 1655 } 1656 (void)fcntl(fileno(stdin), F_SETFL, 0); 1657#else 1658 i=select(width,(void *)&readfds,(void *)&writefds, 1659 NULL,timeoutp); 1660#endif 1661 if ( i < 0) 1662 { 1663 BIO_printf(bio_err,"bad select %d\n", 1664 get_last_socket_error()); 1665 goto shut; 1666 /* goto end; */ 1667 } 1668 } 1669 1670 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1671 { 1672 BIO_printf(bio_err,"TIMEOUT occured\n"); 1673 } 1674 1675 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1676 { 1677 k=SSL_write(con,&(cbuf[cbuf_off]), 1678 (unsigned int)cbuf_len); 1679 switch (SSL_get_error(con,k)) 1680 { 1681 case SSL_ERROR_NONE: 1682 cbuf_off+=k; 1683 cbuf_len-=k; 1684 if (k <= 0) goto end; 1685 /* we have done a write(con,NULL,0); */ 1686 if (cbuf_len <= 0) 1687 { 1688 read_tty=1; 1689 write_ssl=0; 1690 } 1691 else /* if (cbuf_len > 0) */ 1692 { 1693 read_tty=0; 1694 write_ssl=1; 1695 } 1696 break; 1697 case SSL_ERROR_WANT_WRITE: 1698 BIO_printf(bio_c_out,"write W BLOCK\n"); 1699 write_ssl=1; 1700 read_tty=0; 1701 break; 1702 case SSL_ERROR_WANT_READ: 1703 BIO_printf(bio_c_out,"write R BLOCK\n"); 1704 write_tty=0; 1705 read_ssl=1; 1706 write_ssl=0; 1707 break; 1708 case SSL_ERROR_WANT_X509_LOOKUP: 1709 BIO_printf(bio_c_out,"write X BLOCK\n"); 1710 break; 1711 case SSL_ERROR_ZERO_RETURN: 1712 if (cbuf_len != 0) 1713 { 1714 BIO_printf(bio_c_out,"shutdown\n"); 1715 ret = 0; 1716 goto shut; 1717 } 1718 else 1719 { 1720 read_tty=1; 1721 write_ssl=0; 1722 break; 1723 } 1724 1725 case SSL_ERROR_SYSCALL: 1726 if ((k != 0) || (cbuf_len != 0)) 1727 { 1728 BIO_printf(bio_err,"write:errno=%d\n", 1729 get_last_socket_error()); 1730 goto shut; 1731 } 1732 else 1733 { 1734 read_tty=1; 1735 write_ssl=0; 1736 } 1737 break; 1738 case SSL_ERROR_SSL: 1739 ERR_print_errors(bio_err); 1740 goto shut; 1741 } 1742 } 1743#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1744 /* Assume Windows/DOS/BeOS can always write */ 1745 else if (!ssl_pending && write_tty) 1746#else 1747 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1748#endif 1749 { 1750#ifdef CHARSET_EBCDIC 1751 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1752#endif 1753 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1754 1755 if (i <= 0) 1756 { 1757 BIO_printf(bio_c_out,"DONE\n"); 1758 ret = 0; 1759 goto shut; 1760 /* goto end; */ 1761 } 1762 1763 sbuf_len-=i;; 1764 sbuf_off+=i; 1765 if (sbuf_len <= 0) 1766 { 1767 read_ssl=1; 1768 write_tty=0; 1769 } 1770 } 1771 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1772 { 1773#ifdef RENEG 1774{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1775#endif 1776#if 1 1777 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1778#else 1779/* Demo for pending and peek :-) */ 1780 k=SSL_read(con,sbuf,16); 1781{ char zbuf[10240]; 1782printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1783} 1784#endif 1785 1786 switch (SSL_get_error(con,k)) 1787 { 1788 case SSL_ERROR_NONE: 1789 if (k <= 0) 1790 goto end; 1791 sbuf_off=0; 1792 sbuf_len=k; 1793 1794 read_ssl=0; 1795 write_tty=1; 1796 break; 1797 case SSL_ERROR_WANT_WRITE: 1798 BIO_printf(bio_c_out,"read W BLOCK\n"); 1799 write_ssl=1; 1800 read_tty=0; 1801 break; 1802 case SSL_ERROR_WANT_READ: 1803 BIO_printf(bio_c_out,"read R BLOCK\n"); 1804 write_tty=0; 1805 read_ssl=1; 1806 if ((read_tty == 0) && (write_ssl == 0)) 1807 write_ssl=1; 1808 break; 1809 case SSL_ERROR_WANT_X509_LOOKUP: 1810 BIO_printf(bio_c_out,"read X BLOCK\n"); 1811 break; 1812 case SSL_ERROR_SYSCALL: 1813 ret=get_last_socket_error(); 1814 BIO_printf(bio_err,"read:errno=%d\n",ret); 1815 goto shut; 1816 case SSL_ERROR_ZERO_RETURN: 1817 BIO_printf(bio_c_out,"closed\n"); 1818 ret=0; 1819 goto shut; 1820 case SSL_ERROR_SSL: 1821 ERR_print_errors(bio_err); 1822 goto shut; 1823 /* break; */ 1824 } 1825 } 1826 1827#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1828#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1829 else if (_kbhit()) 1830#else 1831 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1832#endif 1833#elif defined (OPENSSL_SYS_NETWARE) 1834 else if (_kbhit()) 1835#elif defined(OPENSSL_SYS_BEOS_R5) 1836 else if (stdin_set) 1837#else 1838 else if (FD_ISSET(fileno(stdin),&readfds)) 1839#endif 1840 { 1841 if (crlf) 1842 { 1843 int j, lf_num; 1844 1845 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1846 lf_num = 0; 1847 /* both loops are skipped when i <= 0 */ 1848 for (j = 0; j < i; j++) 1849 if (cbuf[j] == '\n') 1850 lf_num++; 1851 for (j = i-1; j >= 0; j--) 1852 { 1853 cbuf[j+lf_num] = cbuf[j]; 1854 if (cbuf[j] == '\n') 1855 { 1856 lf_num--; 1857 i++; 1858 cbuf[j+lf_num] = '\r'; 1859 } 1860 } 1861 assert(lf_num == 0); 1862 } 1863 else 1864 i=raw_read_stdin(cbuf,BUFSIZZ); 1865 1866 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1867 { 1868 BIO_printf(bio_err,"DONE\n"); 1869 ret=0; 1870 goto shut; 1871 } 1872 1873 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1874 { 1875 BIO_printf(bio_err,"RENEGOTIATING\n"); 1876 SSL_renegotiate(con); 1877 cbuf_len=0; 1878 } 1879#ifndef OPENSSL_NO_HEARTBEATS 1880 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1881 { 1882 BIO_printf(bio_err,"HEARTBEATING\n"); 1883 SSL_heartbeat(con); 1884 cbuf_len=0; 1885 } 1886#endif 1887 else 1888 { 1889 cbuf_len=i; 1890 cbuf_off=0; 1891#ifdef CHARSET_EBCDIC 1892 ebcdic2ascii(cbuf, cbuf, i); 1893#endif 1894 } 1895 1896 write_ssl=1; 1897 read_tty=0; 1898 } 1899 } 1900 1901 ret=0; 1902shut: 1903 if (in_init) 1904 print_stuff(bio_c_out,con,full_log); 1905 SSL_shutdown(con); 1906 SHUTDOWN(SSL_get_fd(con)); 1907end: 1908 if (con != NULL) 1909 { 1910 if (prexit != 0) 1911 print_stuff(bio_c_out,con,1); 1912 SSL_free(con); 1913 } 1914#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1915 if (next_proto.data) 1916 OPENSSL_free(next_proto.data); 1917#endif 1918 if (ctx != NULL) SSL_CTX_free(ctx); 1919 if (cert) 1920 X509_free(cert); 1921 if (key) 1922 EVP_PKEY_free(key); 1923 if (pass) 1924 OPENSSL_free(pass); 1925 if (vpm) 1926 X509_VERIFY_PARAM_free(vpm); 1927 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1928 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1929 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1930 if (bio_c_out != NULL) 1931 { 1932 BIO_free(bio_c_out); 1933 bio_c_out=NULL; 1934 } 1935 apps_shutdown(); 1936 OPENSSL_EXIT(ret); 1937 } 1938 1939 1940static void print_stuff(BIO *bio, SSL *s, int full) 1941 { 1942 X509 *peer=NULL; 1943 char *p; 1944 static const char *space=" "; 1945 char buf[BUFSIZ]; 1946 STACK_OF(X509) *sk; 1947 STACK_OF(X509_NAME) *sk2; 1948 const SSL_CIPHER *c; 1949 X509_NAME *xn; 1950 int j,i; 1951#ifndef OPENSSL_NO_COMP 1952 const COMP_METHOD *comp, *expansion; 1953#endif 1954 unsigned char *exportedkeymat; 1955 1956 if (full) 1957 { 1958 int got_a_chain = 0; 1959 1960 sk=SSL_get_peer_cert_chain(s); 1961 if (sk != NULL) 1962 { 1963 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1964 1965 BIO_printf(bio,"---\nCertificate chain\n"); 1966 for (i=0; i<sk_X509_num(sk); i++) 1967 { 1968 X509_NAME_oneline(X509_get_subject_name( 1969 sk_X509_value(sk,i)),buf,sizeof buf); 1970 BIO_printf(bio,"%2d s:%s\n",i,buf); 1971 X509_NAME_oneline(X509_get_issuer_name( 1972 sk_X509_value(sk,i)),buf,sizeof buf); 1973 BIO_printf(bio," i:%s\n",buf); 1974 if (c_showcerts) 1975 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1976 } 1977 } 1978 1979 BIO_printf(bio,"---\n"); 1980 peer=SSL_get_peer_certificate(s); 1981 if (peer != NULL) 1982 { 1983 BIO_printf(bio,"Server certificate\n"); 1984 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1985 PEM_write_bio_X509(bio,peer); 1986 X509_NAME_oneline(X509_get_subject_name(peer), 1987 buf,sizeof buf); 1988 BIO_printf(bio,"subject=%s\n",buf); 1989 X509_NAME_oneline(X509_get_issuer_name(peer), 1990 buf,sizeof buf); 1991 BIO_printf(bio,"issuer=%s\n",buf); 1992 } 1993 else 1994 BIO_printf(bio,"no peer certificate available\n"); 1995 1996 sk2=SSL_get_client_CA_list(s); 1997 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1998 { 1999 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 2000 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2001 { 2002 xn=sk_X509_NAME_value(sk2,i); 2003 X509_NAME_oneline(xn,buf,sizeof(buf)); 2004 BIO_write(bio,buf,strlen(buf)); 2005 BIO_write(bio,"\n",1); 2006 } 2007 } 2008 else 2009 { 2010 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2011 } 2012 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2013 if (p != NULL) 2014 { 2015 /* This works only for SSL 2. In later protocol 2016 * versions, the client does not know what other 2017 * ciphers (in addition to the one to be used 2018 * in the current connection) the server supports. */ 2019 2020 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2021 j=i=0; 2022 while (*p) 2023 { 2024 if (*p == ':') 2025 { 2026 BIO_write(bio,space,15-j%25); 2027 i++; 2028 j=0; 2029 BIO_write(bio,((i%3)?" ":"\n"),1); 2030 } 2031 else 2032 { 2033 BIO_write(bio,p,1); 2034 j++; 2035 } 2036 p++; 2037 } 2038 BIO_write(bio,"\n",1); 2039 } 2040 2041 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2042 BIO_number_read(SSL_get_rbio(s)), 2043 BIO_number_written(SSL_get_wbio(s))); 2044 } 2045 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2046 c=SSL_get_current_cipher(s); 2047 BIO_printf(bio,"%s, Cipher is %s\n", 2048 SSL_CIPHER_get_version(c), 2049 SSL_CIPHER_get_name(c)); 2050 if (peer != NULL) { 2051 EVP_PKEY *pktmp; 2052 pktmp = X509_get_pubkey(peer); 2053 BIO_printf(bio,"Server public key is %d bit\n", 2054 EVP_PKEY_bits(pktmp)); 2055 EVP_PKEY_free(pktmp); 2056 } 2057 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2058 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2059#ifndef OPENSSL_NO_COMP 2060 comp=SSL_get_current_compression(s); 2061 expansion=SSL_get_current_expansion(s); 2062 BIO_printf(bio,"Compression: %s\n", 2063 comp ? SSL_COMP_get_name(comp) : "NONE"); 2064 BIO_printf(bio,"Expansion: %s\n", 2065 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2066#endif 2067 2068#ifdef SSL_DEBUG 2069 { 2070 /* Print out local port of connection: useful for debugging */ 2071 int sock; 2072 struct sockaddr_in ladd; 2073 socklen_t ladd_size = sizeof(ladd); 2074 sock = SSL_get_fd(s); 2075 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2076 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2077 } 2078#endif 2079 2080#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2081 if (next_proto.status != -1) { 2082 const unsigned char *proto; 2083 unsigned int proto_len; 2084 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2085 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2086 BIO_write(bio, proto, proto_len); 2087 BIO_write(bio, "\n", 1); 2088 } 2089#endif 2090 2091#ifndef OPENSSL_NO_SRTP 2092 { 2093 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2094 2095 if(srtp_profile) 2096 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2097 srtp_profile->name); 2098 } 2099#endif 2100 2101 SSL_SESSION_print(bio,SSL_get_session(s)); 2102 if (keymatexportlabel != NULL) 2103 { 2104 BIO_printf(bio, "Keying material exporter:\n"); 2105 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2106 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2107 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2108 if (exportedkeymat != NULL) 2109 { 2110 if (!SSL_export_keying_material(s, exportedkeymat, 2111 keymatexportlen, 2112 keymatexportlabel, 2113 strlen(keymatexportlabel), 2114 NULL, 0, 0)) 2115 { 2116 BIO_printf(bio, " Error\n"); 2117 } 2118 else 2119 { 2120 BIO_printf(bio, " Keying material: "); 2121 for (i=0; i<keymatexportlen; i++) 2122 BIO_printf(bio, "%02X", 2123 exportedkeymat[i]); 2124 BIO_printf(bio, "\n"); 2125 } 2126 OPENSSL_free(exportedkeymat); 2127 } 2128 } 2129 BIO_printf(bio,"---\n"); 2130 if (peer != NULL) 2131 X509_free(peer); 2132 /* flush, or debugging output gets mixed with http response */ 2133 (void)BIO_flush(bio); 2134 } 2135 2136#ifndef OPENSSL_NO_TLSEXT 2137 2138static int ocsp_resp_cb(SSL *s, void *arg) 2139 { 2140 const unsigned char *p; 2141 int len; 2142 OCSP_RESPONSE *rsp; 2143 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2144 BIO_puts(arg, "OCSP response: "); 2145 if (!p) 2146 { 2147 BIO_puts(arg, "no response sent\n"); 2148 return 1; 2149 } 2150 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2151 if (!rsp) 2152 { 2153 BIO_puts(arg, "response parse error\n"); 2154 BIO_dump_indent(arg, (char *)p, len, 4); 2155 return 0; 2156 } 2157 BIO_puts(arg, "\n======================================\n"); 2158 OCSP_RESPONSE_print(arg, rsp, 0); 2159 BIO_puts(arg, "======================================\n"); 2160 OCSP_RESPONSE_free(rsp); 2161 return 1; 2162 } 2163 2164#endif 2165