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#include "s_apps.h" 167#include "timeouts.h" 168 169#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 170/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 171#undef FIONBIO 172#endif 173 174#if defined(OPENSSL_SYS_BEOS_R5) 175#include <fcntl.h> 176#endif 177 178#undef PROG 179#define PROG s_client_main 180 181/*#define SSL_HOST_NAME "www.netscape.com" */ 182/*#define SSL_HOST_NAME "193.118.187.102" */ 183#define SSL_HOST_NAME "localhost" 184 185/*#define TEST_CERT "client.pem" */ /* no default cert. */ 186 187#undef BUFSIZZ 188#define BUFSIZZ 1024*8 189 190extern int verify_depth; 191extern int verify_error; 192extern int verify_return_error; 193 194#ifdef FIONBIO 195static int c_nbio=0; 196#endif 197static int c_Pause=0; 198static int c_debug=0; 199#ifndef OPENSSL_NO_TLSEXT 200static int c_tlsextdebug=0; 201static int c_status_req=0; 202#endif 203static int c_msg=0; 204static int c_showcerts=0; 205 206static void sc_usage(void); 207static void print_stuff(BIO *berr,SSL *con,int full); 208#ifndef OPENSSL_NO_TLSEXT 209static int ocsp_resp_cb(SSL *s, void *arg); 210#endif 211static BIO *bio_c_out=NULL; 212static int c_quiet=0; 213static int c_ign_eof=0; 214 215#ifndef OPENSSL_NO_PSK 216/* Default PSK identity and key */ 217static char *psk_identity="Client_identity"; 218/*char *psk_key=NULL; by default PSK is not used */ 219 220static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 221 unsigned int max_identity_len, unsigned char *psk, 222 unsigned int max_psk_len) 223 { 224 unsigned int psk_len = 0; 225 int ret; 226 BIGNUM *bn=NULL; 227 228 if (c_debug) 229 BIO_printf(bio_c_out, "psk_client_cb\n"); 230 if (!hint) 231 { 232 /* no ServerKeyExchange message*/ 233 if (c_debug) 234 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); 235 } 236 else if (c_debug) 237 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 238 239 /* lookup PSK identity and PSK key based on the given identity hint here */ 240 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 241 if (ret < 0 || (unsigned int)ret > max_identity_len) 242 goto out_err; 243 if (c_debug) 244 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); 245 ret=BN_hex2bn(&bn, psk_key); 246 if (!ret) 247 { 248 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 249 if (bn) 250 BN_free(bn); 251 return 0; 252 } 253 254 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) 255 { 256 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 257 max_psk_len, BN_num_bytes(bn)); 258 BN_free(bn); 259 return 0; 260 } 261 262 psk_len=BN_bn2bin(bn, psk); 263 BN_free(bn); 264 if (psk_len == 0) 265 goto out_err; 266 267 if (c_debug) 268 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 269 270 return psk_len; 271 out_err: 272 if (c_debug) 273 BIO_printf(bio_err, "Error in PSK client callback\n"); 274 return 0; 275 } 276#endif 277 278static void sc_usage(void) 279 { 280 BIO_printf(bio_err,"usage: s_client args\n"); 281 BIO_printf(bio_err,"\n"); 282 BIO_printf(bio_err," -host host - use -connect instead\n"); 283 BIO_printf(bio_err," -port port - use -connect instead\n"); 284 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); 285 286 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 287 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 288 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 289 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 290 BIO_printf(bio_err," not specified but cert file is.\n"); 291 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 292 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 293 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 294 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 295 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 296 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 297 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 298 BIO_printf(bio_err," -debug - extra output\n"); 299#ifdef WATT32 300 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 301#endif 302 BIO_printf(bio_err," -msg - Show protocol messages\n"); 303 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 304 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 305#ifdef FIONBIO 306 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 307#endif 308 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 309 BIO_printf(bio_err," -quiet - no s_client output\n"); 310 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 311 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 312#ifndef OPENSSL_NO_PSK 313 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 314 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 315# ifndef OPENSSL_NO_JPAKE 316 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 317# endif 318#endif 319 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 320 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 321 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 322 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 323 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 324 BIO_printf(bio_err," -no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 325 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 326 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 327 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 328 BIO_printf(bio_err," command to see what is available\n"); 329 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 330 BIO_printf(bio_err," for those protocols that support it, where\n"); 331 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 332 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 333 BIO_printf(bio_err," are supported.\n"); 334#ifndef OPENSSL_NO_ENGINE 335 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 336#endif 337 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 338 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 339 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 340#ifndef OPENSSL_NO_TLSEXT 341 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 342 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 343 BIO_printf(bio_err," -status - request certificate status from server\n"); 344 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 345#endif 346 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 347 } 348 349#ifndef OPENSSL_NO_TLSEXT 350 351/* This is a context that we pass to callbacks */ 352typedef struct tlsextctx_st { 353 BIO * biodebug; 354 int ack; 355} tlsextctx; 356 357 358static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 359 { 360 tlsextctx * p = (tlsextctx *) arg; 361 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 362 if (SSL_get_servername_type(s) != -1) 363 p->ack = !SSL_session_reused(s) && hn != NULL; 364 else 365 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 366 367 return SSL_TLSEXT_ERR_OK; 368 } 369#endif 370 371enum 372{ 373 PROTO_OFF = 0, 374 PROTO_SMTP, 375 PROTO_POP3, 376 PROTO_IMAP, 377 PROTO_FTP, 378 PROTO_XMPP 379}; 380 381int MAIN(int, char **); 382 383int MAIN(int argc, char **argv) 384 { 385 unsigned int off=0, clr=0; 386 SSL *con=NULL; 387 int s,k,width,state=0; 388 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 389 int cbuf_len,cbuf_off; 390 int sbuf_len,sbuf_off; 391 fd_set readfds,writefds; 392 short port=PORT; 393 int full_log=1; 394 char *host=SSL_HOST_NAME; 395 char *cert_file=NULL,*key_file=NULL; 396 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 397 char *passarg = NULL, *pass = NULL; 398 X509 *cert = NULL; 399 EVP_PKEY *key = NULL; 400 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 401 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 402 int crlf=0; 403 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 404 SSL_CTX *ctx=NULL; 405 int ret=1,in_init=1,i,nbio_test=0; 406 int starttls_proto = PROTO_OFF; 407 int prexit = 0; 408 X509_VERIFY_PARAM *vpm = NULL; 409 int badarg = 0; 410 const SSL_METHOD *meth=NULL; 411 int socket_type=SOCK_STREAM; 412 BIO *sbio; 413 char *inrand=NULL; 414 int mbuf_len=0; 415 struct timeval timeout, *timeoutp; 416#ifndef OPENSSL_NO_ENGINE 417 char *engine_id=NULL; 418 char *ssl_client_engine_id=NULL; 419 ENGINE *ssl_client_engine=NULL; 420#endif 421 ENGINE *e=NULL; 422#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 423 struct timeval tv; 424#if defined(OPENSSL_SYS_BEOS_R5) 425 int stdin_set = 0; 426#endif 427#endif 428#ifndef OPENSSL_NO_TLSEXT 429 char *servername = NULL; 430 tlsextctx tlsextcbp = 431 {NULL,0}; 432#endif 433 char *sess_in = NULL; 434 char *sess_out = NULL; 435 struct sockaddr peer; 436 int peerlen = sizeof(peer); 437 int enable_timeouts = 0 ; 438 long socket_mtu = 0; 439#ifndef OPENSSL_NO_JPAKE 440 char *jpake_secret = NULL; 441#endif 442 443#if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 444 meth=SSLv23_client_method(); 445#elif !defined(OPENSSL_NO_SSL3) 446 meth=SSLv3_client_method(); 447#elif !defined(OPENSSL_NO_SSL2) 448 meth=SSLv2_client_method(); 449#endif 450 451 apps_startup(); 452 c_Pause=0; 453 c_quiet=0; 454 c_ign_eof=0; 455 c_debug=0; 456 c_msg=0; 457 c_showcerts=0; 458 459 if (bio_err == NULL) 460 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 461 462 if (!load_config(bio_err, NULL)) 463 goto end; 464 465 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 466 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 467 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 468 { 469 BIO_printf(bio_err,"out of memory\n"); 470 goto end; 471 } 472 473 verify_depth=0; 474 verify_error=X509_V_OK; 475#ifdef FIONBIO 476 c_nbio=0; 477#endif 478 479 argc--; 480 argv++; 481 while (argc >= 1) 482 { 483 if (strcmp(*argv,"-host") == 0) 484 { 485 if (--argc < 1) goto bad; 486 host= *(++argv); 487 } 488 else if (strcmp(*argv,"-port") == 0) 489 { 490 if (--argc < 1) goto bad; 491 port=atoi(*(++argv)); 492 if (port == 0) goto bad; 493 } 494 else if (strcmp(*argv,"-connect") == 0) 495 { 496 if (--argc < 1) goto bad; 497 if (!extract_host_port(*(++argv),&host,NULL,&port)) 498 goto bad; 499 } 500 else if (strcmp(*argv,"-verify") == 0) 501 { 502 verify=SSL_VERIFY_PEER; 503 if (--argc < 1) goto bad; 504 verify_depth=atoi(*(++argv)); 505 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 506 } 507 else if (strcmp(*argv,"-cert") == 0) 508 { 509 if (--argc < 1) goto bad; 510 cert_file= *(++argv); 511 } 512 else if (strcmp(*argv,"-sess_out") == 0) 513 { 514 if (--argc < 1) goto bad; 515 sess_out = *(++argv); 516 } 517 else if (strcmp(*argv,"-sess_in") == 0) 518 { 519 if (--argc < 1) goto bad; 520 sess_in = *(++argv); 521 } 522 else if (strcmp(*argv,"-certform") == 0) 523 { 524 if (--argc < 1) goto bad; 525 cert_format = str2fmt(*(++argv)); 526 } 527 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 528 { 529 if (badarg) 530 goto bad; 531 continue; 532 } 533 else if (strcmp(*argv,"-verify_return_error") == 0) 534 verify_return_error = 1; 535 else if (strcmp(*argv,"-prexit") == 0) 536 prexit=1; 537 else if (strcmp(*argv,"-crlf") == 0) 538 crlf=1; 539 else if (strcmp(*argv,"-quiet") == 0) 540 { 541 c_quiet=1; 542 c_ign_eof=1; 543 } 544 else if (strcmp(*argv,"-ign_eof") == 0) 545 c_ign_eof=1; 546 else if (strcmp(*argv,"-no_ign_eof") == 0) 547 c_ign_eof=0; 548 else if (strcmp(*argv,"-pause") == 0) 549 c_Pause=1; 550 else if (strcmp(*argv,"-debug") == 0) 551 c_debug=1; 552#ifndef OPENSSL_NO_TLSEXT 553 else if (strcmp(*argv,"-tlsextdebug") == 0) 554 c_tlsextdebug=1; 555 else if (strcmp(*argv,"-status") == 0) 556 c_status_req=1; 557#endif 558#ifdef WATT32 559 else if (strcmp(*argv,"-wdebug") == 0) 560 dbug_init(); 561#endif 562 else if (strcmp(*argv,"-msg") == 0) 563 c_msg=1; 564 else if (strcmp(*argv,"-showcerts") == 0) 565 c_showcerts=1; 566 else if (strcmp(*argv,"-nbio_test") == 0) 567 nbio_test=1; 568 else if (strcmp(*argv,"-state") == 0) 569 state=1; 570#ifndef OPENSSL_NO_PSK 571 else if (strcmp(*argv,"-psk_identity") == 0) 572 { 573 if (--argc < 1) goto bad; 574 psk_identity=*(++argv); 575 } 576 else if (strcmp(*argv,"-psk") == 0) 577 { 578 size_t j; 579 580 if (--argc < 1) goto bad; 581 psk_key=*(++argv); 582 for (j = 0; j < strlen(psk_key); j++) 583 { 584 if (isxdigit((int)psk_key[j])) 585 continue; 586 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 587 goto bad; 588 } 589 } 590#endif 591#ifndef OPENSSL_NO_SSL2 592 else if (strcmp(*argv,"-ssl2") == 0) 593 meth=SSLv2_client_method(); 594#endif 595#ifndef OPENSSL_NO_SSL3 596 else if (strcmp(*argv,"-ssl3") == 0) 597 meth=SSLv3_client_method(); 598#endif 599#ifndef OPENSSL_NO_TLS1 600 else if (strcmp(*argv,"-tls1") == 0) 601 meth=TLSv1_client_method(); 602#endif 603#ifndef OPENSSL_NO_DTLS1 604 else if (strcmp(*argv,"-dtls1") == 0) 605 { 606 meth=DTLSv1_client_method(); 607 socket_type=SOCK_DGRAM; 608 } 609 else if (strcmp(*argv,"-timeout") == 0) 610 enable_timeouts=1; 611 else if (strcmp(*argv,"-mtu") == 0) 612 { 613 if (--argc < 1) goto bad; 614 socket_mtu = atol(*(++argv)); 615 } 616#endif 617 else if (strcmp(*argv,"-bugs") == 0) 618 bugs=1; 619 else if (strcmp(*argv,"-keyform") == 0) 620 { 621 if (--argc < 1) goto bad; 622 key_format = str2fmt(*(++argv)); 623 } 624 else if (strcmp(*argv,"-pass") == 0) 625 { 626 if (--argc < 1) goto bad; 627 passarg = *(++argv); 628 } 629 else if (strcmp(*argv,"-key") == 0) 630 { 631 if (--argc < 1) goto bad; 632 key_file= *(++argv); 633 } 634 else if (strcmp(*argv,"-reconnect") == 0) 635 { 636 reconnect=5; 637 } 638 else if (strcmp(*argv,"-CApath") == 0) 639 { 640 if (--argc < 1) goto bad; 641 CApath= *(++argv); 642 } 643 else if (strcmp(*argv,"-CAfile") == 0) 644 { 645 if (--argc < 1) goto bad; 646 CAfile= *(++argv); 647 } 648 else if (strcmp(*argv,"-no_tls1") == 0) 649 off|=SSL_OP_NO_TLSv1; 650 else if (strcmp(*argv,"-no_ssl3") == 0) 651 off|=SSL_OP_NO_SSLv3; 652 else if (strcmp(*argv,"-no_ssl2") == 0) 653 off|=SSL_OP_NO_SSLv2; 654 else if (strcmp(*argv,"-no_comp") == 0) 655 { off|=SSL_OP_NO_COMPRESSION; } 656#ifndef OPENSSL_NO_TLSEXT 657 else if (strcmp(*argv,"-no_ticket") == 0) 658 { off|=SSL_OP_NO_TICKET; } 659#endif 660 else if (strcmp(*argv,"-serverpref") == 0) 661 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 662 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 663 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 664 else if (strcmp(*argv,"-legacy_server_connect") == 0) 665 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 666 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 667 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 668 else if (strcmp(*argv,"-cipher") == 0) 669 { 670 if (--argc < 1) goto bad; 671 cipher= *(++argv); 672 } 673#ifdef FIONBIO 674 else if (strcmp(*argv,"-nbio") == 0) 675 { c_nbio=1; } 676#endif 677 else if (strcmp(*argv,"-starttls") == 0) 678 { 679 if (--argc < 1) goto bad; 680 ++argv; 681 if (strcmp(*argv,"smtp") == 0) 682 starttls_proto = PROTO_SMTP; 683 else if (strcmp(*argv,"pop3") == 0) 684 starttls_proto = PROTO_POP3; 685 else if (strcmp(*argv,"imap") == 0) 686 starttls_proto = PROTO_IMAP; 687 else if (strcmp(*argv,"ftp") == 0) 688 starttls_proto = PROTO_FTP; 689 else if (strcmp(*argv, "xmpp") == 0) 690 starttls_proto = PROTO_XMPP; 691 else 692 goto bad; 693 } 694#ifndef OPENSSL_NO_ENGINE 695 else if (strcmp(*argv,"-engine") == 0) 696 { 697 if (--argc < 1) goto bad; 698 engine_id = *(++argv); 699 } 700 else if (strcmp(*argv,"-ssl_client_engine") == 0) 701 { 702 if (--argc < 1) goto bad; 703 ssl_client_engine_id = *(++argv); 704 } 705#endif 706 else if (strcmp(*argv,"-rand") == 0) 707 { 708 if (--argc < 1) goto bad; 709 inrand= *(++argv); 710 } 711#ifndef OPENSSL_NO_TLSEXT 712 else if (strcmp(*argv,"-servername") == 0) 713 { 714 if (--argc < 1) goto bad; 715 servername= *(++argv); 716 /* meth=TLSv1_client_method(); */ 717 } 718#endif 719#ifndef OPENSSL_NO_JPAKE 720 else if (strcmp(*argv,"-jpake") == 0) 721 { 722 if (--argc < 1) goto bad; 723 jpake_secret = *++argv; 724 } 725#endif 726 else 727 { 728 BIO_printf(bio_err,"unknown option %s\n",*argv); 729 badop=1; 730 break; 731 } 732 argc--; 733 argv++; 734 } 735 if (badop) 736 { 737bad: 738 sc_usage(); 739 goto end; 740 } 741 742#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 743 if (jpake_secret) 744 { 745 if (psk_key) 746 { 747 BIO_printf(bio_err, 748 "Can't use JPAKE and PSK together\n"); 749 goto end; 750 } 751 psk_identity = "JPAKE"; 752 } 753 754 if (cipher) 755 { 756 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 757 goto end; 758 } 759 cipher = "PSK"; 760#endif 761 762 OpenSSL_add_ssl_algorithms(); 763 SSL_load_error_strings(); 764 765#ifndef OPENSSL_NO_ENGINE 766 e = setup_engine(bio_err, engine_id, 1); 767 if (ssl_client_engine_id) 768 { 769 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 770 if (!ssl_client_engine) 771 { 772 BIO_printf(bio_err, 773 "Error getting client auth engine\n"); 774 goto end; 775 } 776 } 777 778#endif 779 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 780 { 781 BIO_printf(bio_err, "Error getting password\n"); 782 goto end; 783 } 784 785 if (key_file == NULL) 786 key_file = cert_file; 787 788 789 if (key_file) 790 791 { 792 793 key = load_key(bio_err, key_file, key_format, 0, pass, e, 794 "client certificate private key file"); 795 if (!key) 796 { 797 ERR_print_errors(bio_err); 798 goto end; 799 } 800 801 } 802 803 if (cert_file) 804 805 { 806 cert = load_cert(bio_err,cert_file,cert_format, 807 NULL, e, "client certificate file"); 808 809 if (!cert) 810 { 811 ERR_print_errors(bio_err); 812 goto end; 813 } 814 } 815 816 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 817 && !RAND_status()) 818 { 819 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 820 } 821 if (inrand != NULL) 822 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 823 app_RAND_load_files(inrand)); 824 825 if (bio_c_out == NULL) 826 { 827 if (c_quiet && !c_debug && !c_msg) 828 { 829 bio_c_out=BIO_new(BIO_s_null()); 830 } 831 else 832 { 833 if (bio_c_out == NULL) 834 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 835 } 836 } 837 838 ctx=SSL_CTX_new(meth); 839 if (ctx == NULL) 840 { 841 ERR_print_errors(bio_err); 842 goto end; 843 } 844 845 if (vpm) 846 SSL_CTX_set1_param(ctx, vpm); 847 848#ifndef OPENSSL_NO_ENGINE 849 if (ssl_client_engine) 850 { 851 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 852 { 853 BIO_puts(bio_err, "Error setting client auth engine\n"); 854 ERR_print_errors(bio_err); 855 ENGINE_free(ssl_client_engine); 856 goto end; 857 } 858 ENGINE_free(ssl_client_engine); 859 } 860#endif 861 862#ifndef OPENSSL_NO_PSK 863#ifdef OPENSSL_NO_JPAKE 864 if (psk_key != NULL) 865#else 866 if (psk_key != NULL || jpake_secret) 867#endif 868 { 869 if (c_debug) 870 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 871 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 872 } 873#endif 874 if (bugs) 875 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 876 else 877 SSL_CTX_set_options(ctx,off); 878 879 if (clr) 880 SSL_CTX_clear_options(ctx, clr); 881 /* DTLS: partial reads end up discarding unread UDP bytes :-( 882 * Setting read ahead solves this problem. 883 */ 884 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 885 886 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 887 if (cipher != NULL) 888 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 889 BIO_printf(bio_err,"error setting cipher list\n"); 890 ERR_print_errors(bio_err); 891 goto end; 892 } 893#if 0 894 else 895 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 896#endif 897 898 SSL_CTX_set_verify(ctx,verify,verify_callback); 899 if (!set_cert_key_stuff(ctx,cert,key)) 900 goto end; 901 902 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 903 (!SSL_CTX_set_default_verify_paths(ctx))) 904 { 905 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 906 ERR_print_errors(bio_err); 907 /* goto end; */ 908 } 909 910#ifndef OPENSSL_NO_TLSEXT 911 if (servername != NULL) 912 { 913 tlsextcbp.biodebug = bio_err; 914 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 915 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 916 } 917#endif 918 919 con=SSL_new(ctx); 920 if (sess_in) 921 { 922 SSL_SESSION *sess; 923 BIO *stmp = BIO_new_file(sess_in, "r"); 924 if (!stmp) 925 { 926 BIO_printf(bio_err, "Can't open session file %s\n", 927 sess_in); 928 ERR_print_errors(bio_err); 929 goto end; 930 } 931 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 932 BIO_free(stmp); 933 if (!sess) 934 { 935 BIO_printf(bio_err, "Can't open session file %s\n", 936 sess_in); 937 ERR_print_errors(bio_err); 938 goto end; 939 } 940 SSL_set_session(con, sess); 941 SSL_SESSION_free(sess); 942 } 943#ifndef OPENSSL_NO_TLSEXT 944 if (servername != NULL) 945 { 946 if (!SSL_set_tlsext_host_name(con,servername)) 947 { 948 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 949 ERR_print_errors(bio_err); 950 goto end; 951 } 952 } 953#endif 954#ifndef OPENSSL_NO_KRB5 955 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) 956 { 957 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); 958 } 959#endif /* OPENSSL_NO_KRB5 */ 960/* SSL_set_cipher_list(con,"RC4-MD5"); */ 961#if 0 962#ifdef TLSEXT_TYPE_opaque_prf_input 963 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 964#endif 965#endif 966 967re_start: 968 969 if (init_client(&s,host,port,socket_type) == 0) 970 { 971 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 972 SHUTDOWN(s); 973 goto end; 974 } 975 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 976 977#ifdef FIONBIO 978 if (c_nbio) 979 { 980 unsigned long l=1; 981 BIO_printf(bio_c_out,"turning on non blocking io\n"); 982 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 983 { 984 ERR_print_errors(bio_err); 985 goto end; 986 } 987 } 988#endif 989 if (c_Pause & 0x01) con->debug=1; 990 991 if ( SSL_version(con) == DTLS1_VERSION) 992 { 993 994 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 995 if (getsockname(s, &peer, (void *)&peerlen) < 0) 996 { 997 BIO_printf(bio_err, "getsockname:errno=%d\n", 998 get_last_socket_error()); 999 SHUTDOWN(s); 1000 goto end; 1001 } 1002 1003 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1004 1005 if (enable_timeouts) 1006 { 1007 timeout.tv_sec = 0; 1008 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1009 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1010 1011 timeout.tv_sec = 0; 1012 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1013 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1014 } 1015 1016 if (socket_mtu > 28) 1017 { 1018 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1019 SSL_set_mtu(con, socket_mtu - 28); 1020 } 1021 else 1022 /* want to do MTU discovery */ 1023 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1024 } 1025 else 1026 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1027 1028 if (nbio_test) 1029 { 1030 BIO *test; 1031 1032 test=BIO_new(BIO_f_nbio_test()); 1033 sbio=BIO_push(test,sbio); 1034 } 1035 1036 if (c_debug) 1037 { 1038 con->debug=1; 1039 BIO_set_callback(sbio,bio_dump_callback); 1040 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1041 } 1042 if (c_msg) 1043 { 1044 SSL_set_msg_callback(con, msg_cb); 1045 SSL_set_msg_callback_arg(con, bio_c_out); 1046 } 1047#ifndef OPENSSL_NO_TLSEXT 1048 if (c_tlsextdebug) 1049 { 1050 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1051 SSL_set_tlsext_debug_arg(con, bio_c_out); 1052 } 1053 if (c_status_req) 1054 { 1055 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1056 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1057 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1058#if 0 1059{ 1060STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1061OCSP_RESPID *id = OCSP_RESPID_new(); 1062id->value.byKey = ASN1_OCTET_STRING_new(); 1063id->type = V_OCSP_RESPID_KEY; 1064ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1065sk_OCSP_RESPID_push(ids, id); 1066SSL_set_tlsext_status_ids(con, ids); 1067} 1068#endif 1069 } 1070#endif 1071#ifndef OPENSSL_NO_JPAKE 1072 if (jpake_secret) 1073 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1074#endif 1075 1076 SSL_set_bio(con,sbio,sbio); 1077 SSL_set_connect_state(con); 1078 1079 /* ok, lets connect */ 1080 width=SSL_get_fd(con)+1; 1081 1082 read_tty=1; 1083 write_tty=0; 1084 tty_on=0; 1085 read_ssl=1; 1086 write_ssl=1; 1087 1088 cbuf_len=0; 1089 cbuf_off=0; 1090 sbuf_len=0; 1091 sbuf_off=0; 1092 1093 /* This is an ugly hack that does a lot of assumptions */ 1094 /* We do have to handle multi-line responses which may come 1095 in a single packet or not. We therefore have to use 1096 BIO_gets() which does need a buffering BIO. So during 1097 the initial chitchat we do push a buffering BIO into the 1098 chain that is removed again later on to not disturb the 1099 rest of the s_client operation. */ 1100 if (starttls_proto == PROTO_SMTP) 1101 { 1102 int foundit=0; 1103 BIO *fbio = BIO_new(BIO_f_buffer()); 1104 BIO_push(fbio, sbio); 1105 /* wait for multi-line response to end from SMTP */ 1106 do 1107 { 1108 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1109 } 1110 while (mbuf_len>3 && mbuf[3]=='-'); 1111 /* STARTTLS command requires EHLO... */ 1112 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1113 (void)BIO_flush(fbio); 1114 /* wait for multi-line response to end EHLO SMTP response */ 1115 do 1116 { 1117 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1118 if (strstr(mbuf,"STARTTLS")) 1119 foundit=1; 1120 } 1121 while (mbuf_len>3 && mbuf[3]=='-'); 1122 (void)BIO_flush(fbio); 1123 BIO_pop(fbio); 1124 BIO_free(fbio); 1125 if (!foundit) 1126 BIO_printf(bio_err, 1127 "didn't found starttls in server response," 1128 " try anyway...\n"); 1129 BIO_printf(sbio,"STARTTLS\r\n"); 1130 BIO_read(sbio,sbuf,BUFSIZZ); 1131 } 1132 else if (starttls_proto == PROTO_POP3) 1133 { 1134 BIO_read(sbio,mbuf,BUFSIZZ); 1135 BIO_printf(sbio,"STLS\r\n"); 1136 BIO_read(sbio,sbuf,BUFSIZZ); 1137 } 1138 else if (starttls_proto == PROTO_IMAP) 1139 { 1140 int foundit=0; 1141 BIO *fbio = BIO_new(BIO_f_buffer()); 1142 BIO_push(fbio, sbio); 1143 BIO_gets(fbio,mbuf,BUFSIZZ); 1144 /* STARTTLS command requires CAPABILITY... */ 1145 BIO_printf(fbio,". CAPABILITY\r\n"); 1146 (void)BIO_flush(fbio); 1147 /* wait for multi-line CAPABILITY response */ 1148 do 1149 { 1150 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1151 if (strstr(mbuf,"STARTTLS")) 1152 foundit=1; 1153 } 1154 while (mbuf_len>3 && mbuf[0]!='.'); 1155 (void)BIO_flush(fbio); 1156 BIO_pop(fbio); 1157 BIO_free(fbio); 1158 if (!foundit) 1159 BIO_printf(bio_err, 1160 "didn't found STARTTLS in server response," 1161 " try anyway...\n"); 1162 BIO_printf(sbio,". STARTTLS\r\n"); 1163 BIO_read(sbio,sbuf,BUFSIZZ); 1164 } 1165 else if (starttls_proto == PROTO_FTP) 1166 { 1167 BIO *fbio = BIO_new(BIO_f_buffer()); 1168 BIO_push(fbio, sbio); 1169 /* wait for multi-line response to end from FTP */ 1170 do 1171 { 1172 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1173 } 1174 while (mbuf_len>3 && mbuf[3]=='-'); 1175 (void)BIO_flush(fbio); 1176 BIO_pop(fbio); 1177 BIO_free(fbio); 1178 BIO_printf(sbio,"AUTH TLS\r\n"); 1179 BIO_read(sbio,sbuf,BUFSIZZ); 1180 } 1181 if (starttls_proto == PROTO_XMPP) 1182 { 1183 int seen = 0; 1184 BIO_printf(sbio,"<stream:stream " 1185 "xmlns:stream='http://etherx.jabber.org/streams' " 1186 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1187 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1188 mbuf[seen] = 0; 1189 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1190 { 1191 if (strstr(mbuf, "/stream:features>")) 1192 goto shut; 1193 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1194 mbuf[seen] = 0; 1195 } 1196 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1197 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1198 sbuf[seen] = 0; 1199 if (!strstr(sbuf, "<proceed")) 1200 goto shut; 1201 mbuf[0] = 0; 1202 } 1203 1204 for (;;) 1205 { 1206 FD_ZERO(&readfds); 1207 FD_ZERO(&writefds); 1208 1209 if ((SSL_version(con) == DTLS1_VERSION) && 1210 DTLSv1_get_timeout(con, &timeout)) 1211 timeoutp = &timeout; 1212 else 1213 timeoutp = NULL; 1214 1215 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1216 { 1217 in_init=1; 1218 tty_on=0; 1219 } 1220 else 1221 { 1222 tty_on=1; 1223 if (in_init) 1224 { 1225 in_init=0; 1226#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1227#ifndef OPENSSL_NO_TLSEXT 1228 if (servername != NULL && !SSL_session_reused(con)) 1229 { 1230 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1231 } 1232#endif 1233#endif 1234 if (sess_out) 1235 { 1236 BIO *stmp = BIO_new_file(sess_out, "w"); 1237 if (stmp) 1238 { 1239 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1240 BIO_free(stmp); 1241 } 1242 else 1243 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1244 } 1245 print_stuff(bio_c_out,con,full_log); 1246 if (full_log > 0) full_log--; 1247 1248 if (starttls_proto) 1249 { 1250 BIO_printf(bio_err,"%s",mbuf); 1251 /* We don't need to know any more */ 1252 starttls_proto = PROTO_OFF; 1253 } 1254 1255 if (reconnect) 1256 { 1257 reconnect--; 1258 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1259 SSL_shutdown(con); 1260 SSL_set_connect_state(con); 1261 SHUTDOWN(SSL_get_fd(con)); 1262 goto re_start; 1263 } 1264 } 1265 } 1266 1267 ssl_pending = read_ssl && SSL_pending(con); 1268 1269 if (!ssl_pending) 1270 { 1271#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1272 if (tty_on) 1273 { 1274 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1275 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1276 } 1277 if (read_ssl) 1278 openssl_fdset(SSL_get_fd(con),&readfds); 1279 if (write_ssl) 1280 openssl_fdset(SSL_get_fd(con),&writefds); 1281#else 1282 if(!tty_on || !write_tty) { 1283 if (read_ssl) 1284 openssl_fdset(SSL_get_fd(con),&readfds); 1285 if (write_ssl) 1286 openssl_fdset(SSL_get_fd(con),&writefds); 1287 } 1288#endif 1289/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1290 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1291 1292 /* Note: under VMS with SOCKETSHR the second parameter 1293 * is currently of type (int *) whereas under other 1294 * systems it is (void *) if you don't have a cast it 1295 * will choke the compiler: if you do have a cast then 1296 * you can either go for (int *) or (void *). 1297 */ 1298#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1299 /* Under Windows/DOS we make the assumption that we can 1300 * always write to the tty: therefore if we need to 1301 * write to the tty we just fall through. Otherwise 1302 * we timeout the select every second and see if there 1303 * are any keypresses. Note: this is a hack, in a proper 1304 * Windows application we wouldn't do this. 1305 */ 1306 i=0; 1307 if(!write_tty) { 1308 if(read_tty) { 1309 tv.tv_sec = 1; 1310 tv.tv_usec = 0; 1311 i=select(width,(void *)&readfds,(void *)&writefds, 1312 NULL,&tv); 1313#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1314 if(!i && (!_kbhit() || !read_tty) ) continue; 1315#else 1316 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1317#endif 1318 } else i=select(width,(void *)&readfds,(void *)&writefds, 1319 NULL,timeoutp); 1320 } 1321#elif defined(OPENSSL_SYS_NETWARE) 1322 if(!write_tty) { 1323 if(read_tty) { 1324 tv.tv_sec = 1; 1325 tv.tv_usec = 0; 1326 i=select(width,(void *)&readfds,(void *)&writefds, 1327 NULL,&tv); 1328 } else i=select(width,(void *)&readfds,(void *)&writefds, 1329 NULL,timeoutp); 1330 } 1331#elif defined(OPENSSL_SYS_BEOS_R5) 1332 /* Under BeOS-R5 the situation is similar to DOS */ 1333 i=0; 1334 stdin_set = 0; 1335 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1336 if(!write_tty) { 1337 if(read_tty) { 1338 tv.tv_sec = 1; 1339 tv.tv_usec = 0; 1340 i=select(width,(void *)&readfds,(void *)&writefds, 1341 NULL,&tv); 1342 if (read(fileno(stdin), sbuf, 0) >= 0) 1343 stdin_set = 1; 1344 if (!i && (stdin_set != 1 || !read_tty)) 1345 continue; 1346 } else i=select(width,(void *)&readfds,(void *)&writefds, 1347 NULL,timeoutp); 1348 } 1349 (void)fcntl(fileno(stdin), F_SETFL, 0); 1350#else 1351 i=select(width,(void *)&readfds,(void *)&writefds, 1352 NULL,timeoutp); 1353#endif 1354 if ( i < 0) 1355 { 1356 BIO_printf(bio_err,"bad select %d\n", 1357 get_last_socket_error()); 1358 goto shut; 1359 /* goto end; */ 1360 } 1361 } 1362 1363 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1364 { 1365 BIO_printf(bio_err,"TIMEOUT occured\n"); 1366 } 1367 1368 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1369 { 1370 k=SSL_write(con,&(cbuf[cbuf_off]), 1371 (unsigned int)cbuf_len); 1372 switch (SSL_get_error(con,k)) 1373 { 1374 case SSL_ERROR_NONE: 1375 cbuf_off+=k; 1376 cbuf_len-=k; 1377 if (k <= 0) goto end; 1378 /* we have done a write(con,NULL,0); */ 1379 if (cbuf_len <= 0) 1380 { 1381 read_tty=1; 1382 write_ssl=0; 1383 } 1384 else /* if (cbuf_len > 0) */ 1385 { 1386 read_tty=0; 1387 write_ssl=1; 1388 } 1389 break; 1390 case SSL_ERROR_WANT_WRITE: 1391 BIO_printf(bio_c_out,"write W BLOCK\n"); 1392 write_ssl=1; 1393 read_tty=0; 1394 break; 1395 case SSL_ERROR_WANT_READ: 1396 BIO_printf(bio_c_out,"write R BLOCK\n"); 1397 write_tty=0; 1398 read_ssl=1; 1399 write_ssl=0; 1400 break; 1401 case SSL_ERROR_WANT_X509_LOOKUP: 1402 BIO_printf(bio_c_out,"write X BLOCK\n"); 1403 break; 1404 case SSL_ERROR_ZERO_RETURN: 1405 if (cbuf_len != 0) 1406 { 1407 BIO_printf(bio_c_out,"shutdown\n"); 1408 ret = 0; 1409 goto shut; 1410 } 1411 else 1412 { 1413 read_tty=1; 1414 write_ssl=0; 1415 break; 1416 } 1417 1418 case SSL_ERROR_SYSCALL: 1419 if ((k != 0) || (cbuf_len != 0)) 1420 { 1421 BIO_printf(bio_err,"write:errno=%d\n", 1422 get_last_socket_error()); 1423 goto shut; 1424 } 1425 else 1426 { 1427 read_tty=1; 1428 write_ssl=0; 1429 } 1430 break; 1431 case SSL_ERROR_SSL: 1432 ERR_print_errors(bio_err); 1433 goto shut; 1434 } 1435 } 1436#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1437 /* Assume Windows/DOS/BeOS can always write */ 1438 else if (!ssl_pending && write_tty) 1439#else 1440 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1441#endif 1442 { 1443#ifdef CHARSET_EBCDIC 1444 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1445#endif 1446 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1447 1448 if (i <= 0) 1449 { 1450 BIO_printf(bio_c_out,"DONE\n"); 1451 ret = 0; 1452 goto shut; 1453 /* goto end; */ 1454 } 1455 1456 sbuf_len-=i;; 1457 sbuf_off+=i; 1458 if (sbuf_len <= 0) 1459 { 1460 read_ssl=1; 1461 write_tty=0; 1462 } 1463 } 1464 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1465 { 1466#ifdef RENEG 1467{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1468#endif 1469#if 1 1470 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1471#else 1472/* Demo for pending and peek :-) */ 1473 k=SSL_read(con,sbuf,16); 1474{ char zbuf[10240]; 1475printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1476} 1477#endif 1478 1479 switch (SSL_get_error(con,k)) 1480 { 1481 case SSL_ERROR_NONE: 1482 if (k <= 0) 1483 goto end; 1484 sbuf_off=0; 1485 sbuf_len=k; 1486 1487 read_ssl=0; 1488 write_tty=1; 1489 break; 1490 case SSL_ERROR_WANT_WRITE: 1491 BIO_printf(bio_c_out,"read W BLOCK\n"); 1492 write_ssl=1; 1493 read_tty=0; 1494 break; 1495 case SSL_ERROR_WANT_READ: 1496 BIO_printf(bio_c_out,"read R BLOCK\n"); 1497 write_tty=0; 1498 read_ssl=1; 1499 if ((read_tty == 0) && (write_ssl == 0)) 1500 write_ssl=1; 1501 break; 1502 case SSL_ERROR_WANT_X509_LOOKUP: 1503 BIO_printf(bio_c_out,"read X BLOCK\n"); 1504 break; 1505 case SSL_ERROR_SYSCALL: 1506 ret=get_last_socket_error(); 1507 BIO_printf(bio_err,"read:errno=%d\n",ret); 1508 goto shut; 1509 case SSL_ERROR_ZERO_RETURN: 1510 BIO_printf(bio_c_out,"closed\n"); 1511 ret=0; 1512 goto shut; 1513 case SSL_ERROR_SSL: 1514 ERR_print_errors(bio_err); 1515 goto shut; 1516 /* break; */ 1517 } 1518 } 1519 1520#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1521#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1522 else if (_kbhit()) 1523#else 1524 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1525#endif 1526#elif defined (OPENSSL_SYS_NETWARE) 1527 else if (_kbhit()) 1528#elif defined(OPENSSL_SYS_BEOS_R5) 1529 else if (stdin_set) 1530#else 1531 else if (FD_ISSET(fileno(stdin),&readfds)) 1532#endif 1533 { 1534 if (crlf) 1535 { 1536 int j, lf_num; 1537 1538 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1539 lf_num = 0; 1540 /* both loops are skipped when i <= 0 */ 1541 for (j = 0; j < i; j++) 1542 if (cbuf[j] == '\n') 1543 lf_num++; 1544 for (j = i-1; j >= 0; j--) 1545 { 1546 cbuf[j+lf_num] = cbuf[j]; 1547 if (cbuf[j] == '\n') 1548 { 1549 lf_num--; 1550 i++; 1551 cbuf[j+lf_num] = '\r'; 1552 } 1553 } 1554 assert(lf_num == 0); 1555 } 1556 else 1557 i=raw_read_stdin(cbuf,BUFSIZZ); 1558 1559 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1560 { 1561 BIO_printf(bio_err,"DONE\n"); 1562 ret=0; 1563 goto shut; 1564 } 1565 1566 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1567 { 1568 BIO_printf(bio_err,"RENEGOTIATING\n"); 1569 SSL_renegotiate(con); 1570 cbuf_len=0; 1571 } 1572 else 1573 { 1574 cbuf_len=i; 1575 cbuf_off=0; 1576#ifdef CHARSET_EBCDIC 1577 ebcdic2ascii(cbuf, cbuf, i); 1578#endif 1579 } 1580 1581 write_ssl=1; 1582 read_tty=0; 1583 } 1584 } 1585 1586 ret=0; 1587shut: 1588 if (in_init) 1589 print_stuff(bio_c_out,con,full_log); 1590 SSL_shutdown(con); 1591 SHUTDOWN(SSL_get_fd(con)); 1592end: 1593 if (con != NULL) 1594 { 1595 if (prexit != 0) 1596 print_stuff(bio_c_out,con,1); 1597 SSL_free(con); 1598 } 1599 if (ctx != NULL) SSL_CTX_free(ctx); 1600 if (cert) 1601 X509_free(cert); 1602 if (key) 1603 EVP_PKEY_free(key); 1604 if (pass) 1605 OPENSSL_free(pass); 1606 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1607 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1608 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1609 if (bio_c_out != NULL) 1610 { 1611 BIO_free(bio_c_out); 1612 bio_c_out=NULL; 1613 } 1614 apps_shutdown(); 1615 OPENSSL_EXIT(ret); 1616 } 1617 1618 1619static void print_stuff(BIO *bio, SSL *s, int full) 1620 { 1621 X509 *peer=NULL; 1622 char *p; 1623 static const char *space=" "; 1624 char buf[BUFSIZ]; 1625 STACK_OF(X509) *sk; 1626 STACK_OF(X509_NAME) *sk2; 1627 const SSL_CIPHER *c; 1628 X509_NAME *xn; 1629 int j,i; 1630#ifndef OPENSSL_NO_COMP 1631 const COMP_METHOD *comp, *expansion; 1632#endif 1633 1634 if (full) 1635 { 1636 int got_a_chain = 0; 1637 1638 sk=SSL_get_peer_cert_chain(s); 1639 if (sk != NULL) 1640 { 1641 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1642 1643 BIO_printf(bio,"---\nCertificate chain\n"); 1644 for (i=0; i<sk_X509_num(sk); i++) 1645 { 1646 X509_NAME_oneline(X509_get_subject_name( 1647 sk_X509_value(sk,i)),buf,sizeof buf); 1648 BIO_printf(bio,"%2d s:%s\n",i,buf); 1649 X509_NAME_oneline(X509_get_issuer_name( 1650 sk_X509_value(sk,i)),buf,sizeof buf); 1651 BIO_printf(bio," i:%s\n",buf); 1652 if (c_showcerts) 1653 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1654 } 1655 } 1656 1657 BIO_printf(bio,"---\n"); 1658 peer=SSL_get_peer_certificate(s); 1659 if (peer != NULL) 1660 { 1661 BIO_printf(bio,"Server certificate\n"); 1662 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1663 PEM_write_bio_X509(bio,peer); 1664 X509_NAME_oneline(X509_get_subject_name(peer), 1665 buf,sizeof buf); 1666 BIO_printf(bio,"subject=%s\n",buf); 1667 X509_NAME_oneline(X509_get_issuer_name(peer), 1668 buf,sizeof buf); 1669 BIO_printf(bio,"issuer=%s\n",buf); 1670 } 1671 else 1672 BIO_printf(bio,"no peer certificate available\n"); 1673 1674 sk2=SSL_get_client_CA_list(s); 1675 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1676 { 1677 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1678 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1679 { 1680 xn=sk_X509_NAME_value(sk2,i); 1681 X509_NAME_oneline(xn,buf,sizeof(buf)); 1682 BIO_write(bio,buf,strlen(buf)); 1683 BIO_write(bio,"\n",1); 1684 } 1685 } 1686 else 1687 { 1688 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1689 } 1690 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1691 if (p != NULL) 1692 { 1693 /* This works only for SSL 2. In later protocol 1694 * versions, the client does not know what other 1695 * ciphers (in addition to the one to be used 1696 * in the current connection) the server supports. */ 1697 1698 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 1699 j=i=0; 1700 while (*p) 1701 { 1702 if (*p == ':') 1703 { 1704 BIO_write(bio,space,15-j%25); 1705 i++; 1706 j=0; 1707 BIO_write(bio,((i%3)?" ":"\n"),1); 1708 } 1709 else 1710 { 1711 BIO_write(bio,p,1); 1712 j++; 1713 } 1714 p++; 1715 } 1716 BIO_write(bio,"\n",1); 1717 } 1718 1719 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 1720 BIO_number_read(SSL_get_rbio(s)), 1721 BIO_number_written(SSL_get_wbio(s))); 1722 } 1723 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); 1724 c=SSL_get_current_cipher(s); 1725 BIO_printf(bio,"%s, Cipher is %s\n", 1726 SSL_CIPHER_get_version(c), 1727 SSL_CIPHER_get_name(c)); 1728 if (peer != NULL) { 1729 EVP_PKEY *pktmp; 1730 pktmp = X509_get_pubkey(peer); 1731 BIO_printf(bio,"Server public key is %d bit\n", 1732 EVP_PKEY_bits(pktmp)); 1733 EVP_PKEY_free(pktmp); 1734 } 1735 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 1736 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 1737#ifndef OPENSSL_NO_COMP 1738 comp=SSL_get_current_compression(s); 1739 expansion=SSL_get_current_expansion(s); 1740 BIO_printf(bio,"Compression: %s\n", 1741 comp ? SSL_COMP_get_name(comp) : "NONE"); 1742 BIO_printf(bio,"Expansion: %s\n", 1743 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 1744#endif 1745 SSL_SESSION_print(bio,SSL_get_session(s)); 1746 BIO_printf(bio,"---\n"); 1747 if (peer != NULL) 1748 X509_free(peer); 1749 /* flush, or debugging output gets mixed with http response */ 1750 (void)BIO_flush(bio); 1751 } 1752 1753#ifndef OPENSSL_NO_TLSEXT 1754 1755static int ocsp_resp_cb(SSL *s, void *arg) 1756 { 1757 const unsigned char *p; 1758 int len; 1759 OCSP_RESPONSE *rsp; 1760 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 1761 BIO_puts(arg, "OCSP response: "); 1762 if (!p) 1763 { 1764 BIO_puts(arg, "no response sent\n"); 1765 return 1; 1766 } 1767 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 1768 if (!rsp) 1769 { 1770 BIO_puts(arg, "response parse error\n"); 1771 BIO_dump_indent(arg, (char *)p, len, 4); 1772 return 0; 1773 } 1774 BIO_puts(arg, "\n======================================\n"); 1775 OCSP_RESPONSE_print(arg, rsp, 0); 1776 BIO_puts(arg, "======================================\n"); 1777 OCSP_RESPONSE_free(rsp); 1778 return 1; 1779 } 1780 1781#endif 1782