s_client.c revision 1.1.1.2
1 /* apps/s_client.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh (at) cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2005 Nokia. All rights reserved. 113 * 114 * The portions of the attached software ("Contribution") is developed by 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 116 * license. 117 * 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 120 * support (see RFC 4279) to OpenSSL. 121 * 122 * No patent licenses or other rights except those expressly stated in 123 * the OpenSSL open source license shall be deemed granted or received 124 * expressly, by implication, estoppel, or otherwise. 125 * 126 * No assurances are provided by Nokia that the Contribution does not 127 * infringe the patent or other intellectual property rights of any third 128 * party or that the license provides you with all the necessary rights 129 * to make use of the Contribution. 130 * 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 135 * OTHERWISE. 136 */ 137 138 #include <assert.h> 139 #include <ctype.h> 140 #include <stdio.h> 141 #include <stdlib.h> 142 #include <string.h> 143 #include <openssl/e_os2.h> 144 #ifdef OPENSSL_NO_STDIO 145 #define APPS_WIN16 146 #endif 147 148 /* With IPv6, it looks like Digital has mixed up the proper order of 149 recursive header file inclusion, resulting in the compiler complaining 150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 151 is needed to have fileno() declared correctly... So let's define u_int */ 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 153 #define __U_INT 154 typedef unsigned int u_int; 155 #endif 156 157 #define USE_SOCKETS 158 #include "apps.h" 159 #include <openssl/x509.h> 160 #include <openssl/ssl.h> 161 #include <openssl/err.h> 162 #include <openssl/pem.h> 163 #include <openssl/rand.h> 164 #include <openssl/ocsp.h> 165 #include <openssl/bn.h> 166 #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*8 189 190 extern int verify_depth; 191 extern int verify_error; 192 extern int verify_return_error; 193 194 #ifdef FIONBIO 195 static int c_nbio=0; 196 #endif 197 static int c_Pause=0; 198 static int c_debug=0; 199 #ifndef OPENSSL_NO_TLSEXT 200 static int c_tlsextdebug=0; 201 static int c_status_req=0; 202 #endif 203 static int c_msg=0; 204 static int c_showcerts=0; 205 206 static void sc_usage(void); 207 static void print_stuff(BIO *berr,SSL *con,int full); 208 #ifndef OPENSSL_NO_TLSEXT 209 static int ocsp_resp_cb(SSL *s, void *arg); 210 #endif 211 static BIO *bio_c_out=NULL; 212 static int c_quiet=0; 213 static int c_ign_eof=0; 214 215 #ifndef OPENSSL_NO_PSK 216 /* Default PSK identity and key */ 217 static char *psk_identity="Client_identity"; 218 /*char *psk_key=NULL; by default PSK is not used */ 219 220 static 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 277 278 static 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_1 - just use TLSv1.1\n"); 322 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 323 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 324 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 325 BIO_printf(bio_err," -no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 326 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 327 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 328 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 329 BIO_printf(bio_err," command to see what is available\n"); 330 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 331 BIO_printf(bio_err," for those protocols that support it, where\n"); 332 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 333 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 334 BIO_printf(bio_err," are supported.\n"); 335 #ifndef OPENSSL_NO_ENGINE 336 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 337 #endif 338 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 339 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 340 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 341 #ifndef OPENSSL_NO_TLSEXT 342 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 343 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 344 BIO_printf(bio_err," -status - request certificate status from server\n"); 345 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 346 #endif 347 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 348 } 349 350 #ifndef OPENSSL_NO_TLSEXT 351 352 /* This is a context that we pass to callbacks */ 353 typedef struct tlsextctx_st { 354 BIO * biodebug; 355 int ack; 356 } tlsextctx; 357 358 359 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 360 { 361 tlsextctx * p = (tlsextctx *) arg; 362 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 363 if (SSL_get_servername_type(s) != -1) 364 p->ack = !SSL_session_reused(s) && hn != NULL; 365 else 366 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 367 368 return SSL_TLSEXT_ERR_OK; 369 } 370 #endif 371 372 enum 373 { 374 PROTO_OFF = 0, 375 PROTO_SMTP, 376 PROTO_POP3, 377 PROTO_IMAP, 378 PROTO_FTP, 379 PROTO_XMPP 380 }; 381 382 int MAIN(int, char **); 383 384 int MAIN(int argc, char **argv) 385 { 386 unsigned int off=0, clr=0; 387 SSL *con=NULL; 388 int s,k,width,state=0; 389 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 390 int cbuf_len,cbuf_off; 391 int sbuf_len,sbuf_off; 392 fd_set readfds,writefds; 393 short port=PORT; 394 int full_log=1; 395 char *host=SSL_HOST_NAME; 396 char *cert_file=NULL,*key_file=NULL; 397 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 398 char *passarg = NULL, *pass = NULL; 399 X509 *cert = NULL; 400 EVP_PKEY *key = NULL; 401 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 402 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 403 int crlf=0; 404 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 405 SSL_CTX *ctx=NULL; 406 int ret=1,in_init=1,i,nbio_test=0; 407 int starttls_proto = PROTO_OFF; 408 int prexit = 0; 409 X509_VERIFY_PARAM *vpm = NULL; 410 int badarg = 0; 411 const SSL_METHOD *meth=NULL; 412 int socket_type=SOCK_STREAM; 413 BIO *sbio; 414 char *inrand=NULL; 415 int mbuf_len=0; 416 struct timeval timeout, *timeoutp; 417 #ifndef OPENSSL_NO_ENGINE 418 char *engine_id=NULL; 419 char *ssl_client_engine_id=NULL; 420 ENGINE *ssl_client_engine=NULL; 421 #endif 422 ENGINE *e=NULL; 423 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 424 struct timeval tv; 425 #if defined(OPENSSL_SYS_BEOS_R5) 426 int stdin_set = 0; 427 #endif 428 #endif 429 #ifndef OPENSSL_NO_TLSEXT 430 char *servername = NULL; 431 tlsextctx tlsextcbp = 432 {NULL,0}; 433 #endif 434 char *sess_in = NULL; 435 char *sess_out = NULL; 436 struct sockaddr peer; 437 int peerlen = sizeof(peer); 438 int enable_timeouts = 0 ; 439 long socket_mtu = 0; 440 #ifndef OPENSSL_NO_JPAKE 441 char *jpake_secret = NULL; 442 #endif 443 444 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 445 meth=SSLv23_client_method(); 446 #elif !defined(OPENSSL_NO_SSL3) 447 meth=SSLv3_client_method(); 448 #elif !defined(OPENSSL_NO_SSL2) 449 meth=SSLv2_client_method(); 450 #endif 451 452 apps_startup(); 453 c_Pause=0; 454 c_quiet=0; 455 c_ign_eof=0; 456 c_debug=0; 457 c_msg=0; 458 c_showcerts=0; 459 460 if (bio_err == NULL) 461 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 462 463 if (!load_config(bio_err, NULL)) 464 goto end; 465 466 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 467 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 468 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 469 { 470 BIO_printf(bio_err,"out of memory\n"); 471 goto end; 472 } 473 474 verify_depth=0; 475 verify_error=X509_V_OK; 476 #ifdef FIONBIO 477 c_nbio=0; 478 #endif 479 480 argc--; 481 argv++; 482 while (argc >= 1) 483 { 484 if (strcmp(*argv,"-host") == 0) 485 { 486 if (--argc < 1) goto bad; 487 host= *(++argv); 488 } 489 else if (strcmp(*argv,"-port") == 0) 490 { 491 if (--argc < 1) goto bad; 492 port=atoi(*(++argv)); 493 if (port == 0) goto bad; 494 } 495 else if (strcmp(*argv,"-connect") == 0) 496 { 497 if (--argc < 1) goto bad; 498 if (!extract_host_port(*(++argv),&host,NULL,&port)) 499 goto bad; 500 } 501 else if (strcmp(*argv,"-verify") == 0) 502 { 503 verify=SSL_VERIFY_PEER; 504 if (--argc < 1) goto bad; 505 verify_depth=atoi(*(++argv)); 506 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 507 } 508 else if (strcmp(*argv,"-cert") == 0) 509 { 510 if (--argc < 1) goto bad; 511 cert_file= *(++argv); 512 } 513 else if (strcmp(*argv,"-sess_out") == 0) 514 { 515 if (--argc < 1) goto bad; 516 sess_out = *(++argv); 517 } 518 else if (strcmp(*argv,"-sess_in") == 0) 519 { 520 if (--argc < 1) goto bad; 521 sess_in = *(++argv); 522 } 523 else if (strcmp(*argv,"-certform") == 0) 524 { 525 if (--argc < 1) goto bad; 526 cert_format = str2fmt(*(++argv)); 527 } 528 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 529 { 530 if (badarg) 531 goto bad; 532 continue; 533 } 534 else if (strcmp(*argv,"-verify_return_error") == 0) 535 verify_return_error = 1; 536 else if (strcmp(*argv,"-prexit") == 0) 537 prexit=1; 538 else if (strcmp(*argv,"-crlf") == 0) 539 crlf=1; 540 else if (strcmp(*argv,"-quiet") == 0) 541 { 542 c_quiet=1; 543 c_ign_eof=1; 544 } 545 else if (strcmp(*argv,"-ign_eof") == 0) 546 c_ign_eof=1; 547 else if (strcmp(*argv,"-no_ign_eof") == 0) 548 c_ign_eof=0; 549 else if (strcmp(*argv,"-pause") == 0) 550 c_Pause=1; 551 else if (strcmp(*argv,"-debug") == 0) 552 c_debug=1; 553 #ifndef OPENSSL_NO_TLSEXT 554 else if (strcmp(*argv,"-tlsextdebug") == 0) 555 c_tlsextdebug=1; 556 else if (strcmp(*argv,"-status") == 0) 557 c_status_req=1; 558 #endif 559 #ifdef WATT32 560 else if (strcmp(*argv,"-wdebug") == 0) 561 dbug_init(); 562 #endif 563 else if (strcmp(*argv,"-msg") == 0) 564 c_msg=1; 565 else if (strcmp(*argv,"-showcerts") == 0) 566 c_showcerts=1; 567 else if (strcmp(*argv,"-nbio_test") == 0) 568 nbio_test=1; 569 else if (strcmp(*argv,"-state") == 0) 570 state=1; 571 #ifndef OPENSSL_NO_PSK 572 else if (strcmp(*argv,"-psk_identity") == 0) 573 { 574 if (--argc < 1) goto bad; 575 psk_identity=*(++argv); 576 } 577 else if (strcmp(*argv,"-psk") == 0) 578 { 579 size_t j; 580 581 if (--argc < 1) goto bad; 582 psk_key=*(++argv); 583 for (j = 0; j < strlen(psk_key); j++) 584 { 585 if (isxdigit((int)psk_key[j])) 586 continue; 587 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 588 goto bad; 589 } 590 } 591 #endif 592 #ifndef OPENSSL_NO_SSL2 593 else if (strcmp(*argv,"-ssl2") == 0) 594 meth=SSLv2_client_method(); 595 #endif 596 #ifndef OPENSSL_NO_SSL3 597 else if (strcmp(*argv,"-ssl3") == 0) 598 meth=SSLv3_client_method(); 599 #endif 600 #ifndef OPENSSL_NO_TLS1 601 else if (strcmp(*argv,"-tls1_1") == 0) 602 meth=TLSv1_1_client_method(); 603 else if (strcmp(*argv,"-tls1") == 0) 604 meth=TLSv1_client_method(); 605 #endif 606 #ifndef OPENSSL_NO_DTLS1 607 else if (strcmp(*argv,"-dtls1") == 0) 608 { 609 meth=DTLSv1_client_method(); 610 socket_type=SOCK_DGRAM; 611 } 612 else if (strcmp(*argv,"-timeout") == 0) 613 enable_timeouts=1; 614 else if (strcmp(*argv,"-mtu") == 0) 615 { 616 if (--argc < 1) goto bad; 617 socket_mtu = atol(*(++argv)); 618 } 619 #endif 620 else if (strcmp(*argv,"-bugs") == 0) 621 bugs=1; 622 else if (strcmp(*argv,"-keyform") == 0) 623 { 624 if (--argc < 1) goto bad; 625 key_format = str2fmt(*(++argv)); 626 } 627 else if (strcmp(*argv,"-pass") == 0) 628 { 629 if (--argc < 1) goto bad; 630 passarg = *(++argv); 631 } 632 else if (strcmp(*argv,"-key") == 0) 633 { 634 if (--argc < 1) goto bad; 635 key_file= *(++argv); 636 } 637 else if (strcmp(*argv,"-reconnect") == 0) 638 { 639 reconnect=5; 640 } 641 else if (strcmp(*argv,"-CApath") == 0) 642 { 643 if (--argc < 1) goto bad; 644 CApath= *(++argv); 645 } 646 else if (strcmp(*argv,"-CAfile") == 0) 647 { 648 if (--argc < 1) goto bad; 649 CAfile= *(++argv); 650 } 651 else if (strcmp(*argv,"-no_tls1_1") == 0) 652 off|=SSL_OP_NO_TLSv1_1; 653 else if (strcmp(*argv,"-no_tls1") == 0) 654 off|=SSL_OP_NO_TLSv1; 655 else if (strcmp(*argv,"-no_ssl3") == 0) 656 off|=SSL_OP_NO_SSLv3; 657 else if (strcmp(*argv,"-no_ssl2") == 0) 658 off|=SSL_OP_NO_SSLv2; 659 else if (strcmp(*argv,"-no_comp") == 0) 660 { off|=SSL_OP_NO_COMPRESSION; } 661 #ifndef OPENSSL_NO_TLSEXT 662 else if (strcmp(*argv,"-no_ticket") == 0) 663 { off|=SSL_OP_NO_TICKET; } 664 #endif 665 else if (strcmp(*argv,"-serverpref") == 0) 666 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 667 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 668 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 669 else if (strcmp(*argv,"-legacy_server_connect") == 0) 670 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 671 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 672 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 673 else if (strcmp(*argv,"-cipher") == 0) 674 { 675 if (--argc < 1) goto bad; 676 cipher= *(++argv); 677 } 678 #ifdef FIONBIO 679 else if (strcmp(*argv,"-nbio") == 0) 680 { c_nbio=1; } 681 #endif 682 else if (strcmp(*argv,"-starttls") == 0) 683 { 684 if (--argc < 1) goto bad; 685 ++argv; 686 if (strcmp(*argv,"smtp") == 0) 687 starttls_proto = PROTO_SMTP; 688 else if (strcmp(*argv,"pop3") == 0) 689 starttls_proto = PROTO_POP3; 690 else if (strcmp(*argv,"imap") == 0) 691 starttls_proto = PROTO_IMAP; 692 else if (strcmp(*argv,"ftp") == 0) 693 starttls_proto = PROTO_FTP; 694 else if (strcmp(*argv, "xmpp") == 0) 695 starttls_proto = PROTO_XMPP; 696 else 697 goto bad; 698 } 699 #ifndef OPENSSL_NO_ENGINE 700 else if (strcmp(*argv,"-engine") == 0) 701 { 702 if (--argc < 1) goto bad; 703 engine_id = *(++argv); 704 } 705 else if (strcmp(*argv,"-ssl_client_engine") == 0) 706 { 707 if (--argc < 1) goto bad; 708 ssl_client_engine_id = *(++argv); 709 } 710 #endif 711 else if (strcmp(*argv,"-rand") == 0) 712 { 713 if (--argc < 1) goto bad; 714 inrand= *(++argv); 715 } 716 #ifndef OPENSSL_NO_TLSEXT 717 else if (strcmp(*argv,"-servername") == 0) 718 { 719 if (--argc < 1) goto bad; 720 servername= *(++argv); 721 /* meth=TLSv1_client_method(); */ 722 } 723 #endif 724 #ifndef OPENSSL_NO_JPAKE 725 else if (strcmp(*argv,"-jpake") == 0) 726 { 727 if (--argc < 1) goto bad; 728 jpake_secret = *++argv; 729 } 730 #endif 731 else 732 { 733 BIO_printf(bio_err,"unknown option %s\n",*argv); 734 badop=1; 735 break; 736 } 737 argc--; 738 argv++; 739 } 740 if (badop) 741 { 742 bad: 743 sc_usage(); 744 goto end; 745 } 746 747 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 748 if (jpake_secret) 749 { 750 if (psk_key) 751 { 752 BIO_printf(bio_err, 753 "Can't use JPAKE and PSK together\n"); 754 goto end; 755 } 756 psk_identity = "JPAKE"; 757 } 758 759 if (cipher) 760 { 761 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 762 goto end; 763 } 764 cipher = "PSK"; 765 #endif 766 767 OpenSSL_add_ssl_algorithms(); 768 SSL_load_error_strings(); 769 770 #ifndef OPENSSL_NO_ENGINE 771 e = setup_engine(bio_err, engine_id, 1); 772 if (ssl_client_engine_id) 773 { 774 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 775 if (!ssl_client_engine) 776 { 777 BIO_printf(bio_err, 778 "Error getting client auth engine\n"); 779 goto end; 780 } 781 } 782 783 #endif 784 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 785 { 786 BIO_printf(bio_err, "Error getting password\n"); 787 goto end; 788 } 789 790 if (key_file == NULL) 791 key_file = cert_file; 792 793 794 if (key_file) 795 796 { 797 798 key = load_key(bio_err, key_file, key_format, 0, pass, e, 799 "client certificate private key file"); 800 if (!key) 801 { 802 ERR_print_errors(bio_err); 803 goto end; 804 } 805 806 } 807 808 if (cert_file) 809 810 { 811 cert = load_cert(bio_err,cert_file,cert_format, 812 NULL, e, "client certificate file"); 813 814 if (!cert) 815 { 816 ERR_print_errors(bio_err); 817 goto end; 818 } 819 } 820 821 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 822 && !RAND_status()) 823 { 824 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 825 } 826 if (inrand != NULL) 827 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 828 app_RAND_load_files(inrand)); 829 830 if (bio_c_out == NULL) 831 { 832 if (c_quiet && !c_debug && !c_msg) 833 { 834 bio_c_out=BIO_new(BIO_s_null()); 835 } 836 else 837 { 838 if (bio_c_out == NULL) 839 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 840 } 841 } 842 843 ctx=SSL_CTX_new(meth); 844 if (ctx == NULL) 845 { 846 ERR_print_errors(bio_err); 847 goto end; 848 } 849 850 if (vpm) 851 SSL_CTX_set1_param(ctx, vpm); 852 853 #ifndef OPENSSL_NO_ENGINE 854 if (ssl_client_engine) 855 { 856 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 857 { 858 BIO_puts(bio_err, "Error setting client auth engine\n"); 859 ERR_print_errors(bio_err); 860 ENGINE_free(ssl_client_engine); 861 goto end; 862 } 863 ENGINE_free(ssl_client_engine); 864 } 865 #endif 866 867 #ifndef OPENSSL_NO_PSK 868 #ifdef OPENSSL_NO_JPAKE 869 if (psk_key != NULL) 870 #else 871 if (psk_key != NULL || jpake_secret) 872 #endif 873 { 874 if (c_debug) 875 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 876 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 877 } 878 #endif 879 if (bugs) 880 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 881 else 882 SSL_CTX_set_options(ctx,off); 883 884 if (clr) 885 SSL_CTX_clear_options(ctx, clr); 886 /* DTLS: partial reads end up discarding unread UDP bytes :-( 887 * Setting read ahead solves this problem. 888 */ 889 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 890 891 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 892 if (cipher != NULL) 893 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 894 BIO_printf(bio_err,"error setting cipher list\n"); 895 ERR_print_errors(bio_err); 896 goto end; 897 } 898 #if 0 899 else 900 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 901 #endif 902 903 SSL_CTX_set_verify(ctx,verify,verify_callback); 904 if (!set_cert_key_stuff(ctx,cert,key)) 905 goto end; 906 907 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 908 (!SSL_CTX_set_default_verify_paths(ctx))) 909 { 910 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 911 ERR_print_errors(bio_err); 912 /* goto end; */ 913 } 914 915 #ifndef OPENSSL_NO_TLSEXT 916 if (servername != NULL) 917 { 918 tlsextcbp.biodebug = bio_err; 919 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 920 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 921 } 922 #endif 923 924 con=SSL_new(ctx); 925 if (sess_in) 926 { 927 SSL_SESSION *sess; 928 BIO *stmp = BIO_new_file(sess_in, "r"); 929 if (!stmp) 930 { 931 BIO_printf(bio_err, "Can't open session file %s\n", 932 sess_in); 933 ERR_print_errors(bio_err); 934 goto end; 935 } 936 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 937 BIO_free(stmp); 938 if (!sess) 939 { 940 BIO_printf(bio_err, "Can't open session file %s\n", 941 sess_in); 942 ERR_print_errors(bio_err); 943 goto end; 944 } 945 SSL_set_session(con, sess); 946 SSL_SESSION_free(sess); 947 } 948 #ifndef OPENSSL_NO_TLSEXT 949 if (servername != NULL) 950 { 951 if (!SSL_set_tlsext_host_name(con,servername)) 952 { 953 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 954 ERR_print_errors(bio_err); 955 goto end; 956 } 957 } 958 #endif 959 #ifndef OPENSSL_NO_KRB5 960 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) 961 { 962 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); 963 } 964 #endif /* OPENSSL_NO_KRB5 */ 965 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 966 #if 0 967 #ifdef TLSEXT_TYPE_opaque_prf_input 968 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 969 #endif 970 #endif 971 972 re_start: 973 974 if (init_client(&s,host,port,socket_type) == 0) 975 { 976 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 977 SHUTDOWN(s); 978 goto end; 979 } 980 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 981 982 #ifdef FIONBIO 983 if (c_nbio) 984 { 985 unsigned long l=1; 986 BIO_printf(bio_c_out,"turning on non blocking io\n"); 987 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 988 { 989 ERR_print_errors(bio_err); 990 goto end; 991 } 992 } 993 #endif 994 if (c_Pause & 0x01) con->debug=1; 995 996 if ( SSL_version(con) == DTLS1_VERSION) 997 { 998 999 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1000 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1001 { 1002 BIO_printf(bio_err, "getsockname:errno=%d\n", 1003 get_last_socket_error()); 1004 SHUTDOWN(s); 1005 goto end; 1006 } 1007 1008 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1009 1010 if (enable_timeouts) 1011 { 1012 timeout.tv_sec = 0; 1013 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1014 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1015 1016 timeout.tv_sec = 0; 1017 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1018 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1019 } 1020 1021 if (socket_mtu > 28) 1022 { 1023 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1024 SSL_set_mtu(con, socket_mtu - 28); 1025 } 1026 else 1027 /* want to do MTU discovery */ 1028 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1029 } 1030 else 1031 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1032 1033 if (nbio_test) 1034 { 1035 BIO *test; 1036 1037 test=BIO_new(BIO_f_nbio_test()); 1038 sbio=BIO_push(test,sbio); 1039 } 1040 1041 if (c_debug) 1042 { 1043 con->debug=1; 1044 BIO_set_callback(sbio,bio_dump_callback); 1045 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1046 } 1047 if (c_msg) 1048 { 1049 SSL_set_msg_callback(con, msg_cb); 1050 SSL_set_msg_callback_arg(con, bio_c_out); 1051 } 1052 #ifndef OPENSSL_NO_TLSEXT 1053 if (c_tlsextdebug) 1054 { 1055 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1056 SSL_set_tlsext_debug_arg(con, bio_c_out); 1057 } 1058 if (c_status_req) 1059 { 1060 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1061 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1062 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1063 #if 0 1064 { 1065 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1066 OCSP_RESPID *id = OCSP_RESPID_new(); 1067 id->value.byKey = ASN1_OCTET_STRING_new(); 1068 id->type = V_OCSP_RESPID_KEY; 1069 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1070 sk_OCSP_RESPID_push(ids, id); 1071 SSL_set_tlsext_status_ids(con, ids); 1072 } 1073 #endif 1074 } 1075 #endif 1076 #ifndef OPENSSL_NO_JPAKE 1077 if (jpake_secret) 1078 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1079 #endif 1080 1081 SSL_set_bio(con,sbio,sbio); 1082 SSL_set_connect_state(con); 1083 1084 /* ok, lets connect */ 1085 width=SSL_get_fd(con)+1; 1086 1087 read_tty=1; 1088 write_tty=0; 1089 tty_on=0; 1090 read_ssl=1; 1091 write_ssl=1; 1092 1093 cbuf_len=0; 1094 cbuf_off=0; 1095 sbuf_len=0; 1096 sbuf_off=0; 1097 1098 /* This is an ugly hack that does a lot of assumptions */ 1099 /* We do have to handle multi-line responses which may come 1100 in a single packet or not. We therefore have to use 1101 BIO_gets() which does need a buffering BIO. So during 1102 the initial chitchat we do push a buffering BIO into the 1103 chain that is removed again later on to not disturb the 1104 rest of the s_client operation. */ 1105 if (starttls_proto == PROTO_SMTP) 1106 { 1107 int foundit=0; 1108 BIO *fbio = BIO_new(BIO_f_buffer()); 1109 BIO_push(fbio, sbio); 1110 /* wait for multi-line response to end from SMTP */ 1111 do 1112 { 1113 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1114 } 1115 while (mbuf_len>3 && mbuf[3]=='-'); 1116 /* STARTTLS command requires EHLO... */ 1117 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1118 (void)BIO_flush(fbio); 1119 /* wait for multi-line response to end EHLO SMTP response */ 1120 do 1121 { 1122 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1123 if (strstr(mbuf,"STARTTLS")) 1124 foundit=1; 1125 } 1126 while (mbuf_len>3 && mbuf[3]=='-'); 1127 (void)BIO_flush(fbio); 1128 BIO_pop(fbio); 1129 BIO_free(fbio); 1130 if (!foundit) 1131 BIO_printf(bio_err, 1132 "didn't found starttls in server response," 1133 " try anyway...\n"); 1134 BIO_printf(sbio,"STARTTLS\r\n"); 1135 BIO_read(sbio,sbuf,BUFSIZZ); 1136 } 1137 else if (starttls_proto == PROTO_POP3) 1138 { 1139 BIO_read(sbio,mbuf,BUFSIZZ); 1140 BIO_printf(sbio,"STLS\r\n"); 1141 BIO_read(sbio,sbuf,BUFSIZZ); 1142 } 1143 else if (starttls_proto == PROTO_IMAP) 1144 { 1145 int foundit=0; 1146 BIO *fbio = BIO_new(BIO_f_buffer()); 1147 BIO_push(fbio, sbio); 1148 BIO_gets(fbio,mbuf,BUFSIZZ); 1149 /* STARTTLS command requires CAPABILITY... */ 1150 BIO_printf(fbio,". CAPABILITY\r\n"); 1151 (void)BIO_flush(fbio); 1152 /* wait for multi-line CAPABILITY response */ 1153 do 1154 { 1155 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1156 if (strstr(mbuf,"STARTTLS")) 1157 foundit=1; 1158 } 1159 while (mbuf_len>3 && mbuf[0]!='.'); 1160 (void)BIO_flush(fbio); 1161 BIO_pop(fbio); 1162 BIO_free(fbio); 1163 if (!foundit) 1164 BIO_printf(bio_err, 1165 "didn't found STARTTLS in server response," 1166 " try anyway...\n"); 1167 BIO_printf(sbio,". STARTTLS\r\n"); 1168 BIO_read(sbio,sbuf,BUFSIZZ); 1169 } 1170 else if (starttls_proto == PROTO_FTP) 1171 { 1172 BIO *fbio = BIO_new(BIO_f_buffer()); 1173 BIO_push(fbio, sbio); 1174 /* wait for multi-line response to end from FTP */ 1175 do 1176 { 1177 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1178 } 1179 while (mbuf_len>3 && mbuf[3]=='-'); 1180 (void)BIO_flush(fbio); 1181 BIO_pop(fbio); 1182 BIO_free(fbio); 1183 BIO_printf(sbio,"AUTH TLS\r\n"); 1184 BIO_read(sbio,sbuf,BUFSIZZ); 1185 } 1186 if (starttls_proto == PROTO_XMPP) 1187 { 1188 int seen = 0; 1189 BIO_printf(sbio,"<stream:stream " 1190 "xmlns:stream='http://etherx.jabber.org/streams' " 1191 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1192 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1193 mbuf[seen] = 0; 1194 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1195 { 1196 if (strstr(mbuf, "/stream:features>")) 1197 goto shut; 1198 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1199 mbuf[seen] = 0; 1200 } 1201 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1202 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1203 sbuf[seen] = 0; 1204 if (!strstr(sbuf, "<proceed")) 1205 goto shut; 1206 mbuf[0] = 0; 1207 } 1208 1209 for (;;) 1210 { 1211 FD_ZERO(&readfds); 1212 FD_ZERO(&writefds); 1213 1214 if ((SSL_version(con) == DTLS1_VERSION) && 1215 DTLSv1_get_timeout(con, &timeout)) 1216 timeoutp = &timeout; 1217 else 1218 timeoutp = NULL; 1219 1220 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1221 { 1222 in_init=1; 1223 tty_on=0; 1224 } 1225 else 1226 { 1227 tty_on=1; 1228 if (in_init) 1229 { 1230 in_init=0; 1231 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1232 #ifndef OPENSSL_NO_TLSEXT 1233 if (servername != NULL && !SSL_session_reused(con)) 1234 { 1235 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1236 } 1237 #endif 1238 #endif 1239 if (sess_out) 1240 { 1241 BIO *stmp = BIO_new_file(sess_out, "w"); 1242 if (stmp) 1243 { 1244 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1245 BIO_free(stmp); 1246 } 1247 else 1248 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1249 } 1250 print_stuff(bio_c_out,con,full_log); 1251 if (full_log > 0) full_log--; 1252 1253 if (starttls_proto) 1254 { 1255 BIO_printf(bio_err,"%s",mbuf); 1256 /* We don't need to know any more */ 1257 starttls_proto = PROTO_OFF; 1258 } 1259 1260 if (reconnect) 1261 { 1262 reconnect--; 1263 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1264 SSL_shutdown(con); 1265 SSL_set_connect_state(con); 1266 SHUTDOWN(SSL_get_fd(con)); 1267 goto re_start; 1268 } 1269 } 1270 } 1271 1272 ssl_pending = read_ssl && SSL_pending(con); 1273 1274 if (!ssl_pending) 1275 { 1276 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1277 if (tty_on) 1278 { 1279 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1280 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1281 } 1282 if (read_ssl) 1283 openssl_fdset(SSL_get_fd(con),&readfds); 1284 if (write_ssl) 1285 openssl_fdset(SSL_get_fd(con),&writefds); 1286 #else 1287 if(!tty_on || !write_tty) { 1288 if (read_ssl) 1289 openssl_fdset(SSL_get_fd(con),&readfds); 1290 if (write_ssl) 1291 openssl_fdset(SSL_get_fd(con),&writefds); 1292 } 1293 #endif 1294 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1295 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1296 1297 /* Note: under VMS with SOCKETSHR the second parameter 1298 * is currently of type (int *) whereas under other 1299 * systems it is (void *) if you don't have a cast it 1300 * will choke the compiler: if you do have a cast then 1301 * you can either go for (int *) or (void *). 1302 */ 1303 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1304 /* Under Windows/DOS we make the assumption that we can 1305 * always write to the tty: therefore if we need to 1306 * write to the tty we just fall through. Otherwise 1307 * we timeout the select every second and see if there 1308 * are any keypresses. Note: this is a hack, in a proper 1309 * Windows application we wouldn't do this. 1310 */ 1311 i=0; 1312 if(!write_tty) { 1313 if(read_tty) { 1314 tv.tv_sec = 1; 1315 tv.tv_usec = 0; 1316 i=select(width,(void *)&readfds,(void *)&writefds, 1317 NULL,&tv); 1318 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1319 if(!i && (!_kbhit() || !read_tty) ) continue; 1320 #else 1321 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1322 #endif 1323 } else i=select(width,(void *)&readfds,(void *)&writefds, 1324 NULL,timeoutp); 1325 } 1326 #elif defined(OPENSSL_SYS_NETWARE) 1327 if(!write_tty) { 1328 if(read_tty) { 1329 tv.tv_sec = 1; 1330 tv.tv_usec = 0; 1331 i=select(width,(void *)&readfds,(void *)&writefds, 1332 NULL,&tv); 1333 } else i=select(width,(void *)&readfds,(void *)&writefds, 1334 NULL,timeoutp); 1335 } 1336 #elif defined(OPENSSL_SYS_BEOS_R5) 1337 /* Under BeOS-R5 the situation is similar to DOS */ 1338 i=0; 1339 stdin_set = 0; 1340 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1341 if(!write_tty) { 1342 if(read_tty) { 1343 tv.tv_sec = 1; 1344 tv.tv_usec = 0; 1345 i=select(width,(void *)&readfds,(void *)&writefds, 1346 NULL,&tv); 1347 if (read(fileno(stdin), sbuf, 0) >= 0) 1348 stdin_set = 1; 1349 if (!i && (stdin_set != 1 || !read_tty)) 1350 continue; 1351 } else i=select(width,(void *)&readfds,(void *)&writefds, 1352 NULL,timeoutp); 1353 } 1354 (void)fcntl(fileno(stdin), F_SETFL, 0); 1355 #else 1356 i=select(width,(void *)&readfds,(void *)&writefds, 1357 NULL,timeoutp); 1358 #endif 1359 if ( i < 0) 1360 { 1361 BIO_printf(bio_err,"bad select %d\n", 1362 get_last_socket_error()); 1363 goto shut; 1364 /* goto end; */ 1365 } 1366 } 1367 1368 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1369 { 1370 BIO_printf(bio_err,"TIMEOUT occured\n"); 1371 } 1372 1373 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1374 { 1375 k=SSL_write(con,&(cbuf[cbuf_off]), 1376 (unsigned int)cbuf_len); 1377 switch (SSL_get_error(con,k)) 1378 { 1379 case SSL_ERROR_NONE: 1380 cbuf_off+=k; 1381 cbuf_len-=k; 1382 if (k <= 0) goto end; 1383 /* we have done a write(con,NULL,0); */ 1384 if (cbuf_len <= 0) 1385 { 1386 read_tty=1; 1387 write_ssl=0; 1388 } 1389 else /* if (cbuf_len > 0) */ 1390 { 1391 read_tty=0; 1392 write_ssl=1; 1393 } 1394 break; 1395 case SSL_ERROR_WANT_WRITE: 1396 BIO_printf(bio_c_out,"write W BLOCK\n"); 1397 write_ssl=1; 1398 read_tty=0; 1399 break; 1400 case SSL_ERROR_WANT_READ: 1401 BIO_printf(bio_c_out,"write R BLOCK\n"); 1402 write_tty=0; 1403 read_ssl=1; 1404 write_ssl=0; 1405 break; 1406 case SSL_ERROR_WANT_X509_LOOKUP: 1407 BIO_printf(bio_c_out,"write X BLOCK\n"); 1408 break; 1409 case SSL_ERROR_ZERO_RETURN: 1410 if (cbuf_len != 0) 1411 { 1412 BIO_printf(bio_c_out,"shutdown\n"); 1413 ret = 0; 1414 goto shut; 1415 } 1416 else 1417 { 1418 read_tty=1; 1419 write_ssl=0; 1420 break; 1421 } 1422 1423 case SSL_ERROR_SYSCALL: 1424 if ((k != 0) || (cbuf_len != 0)) 1425 { 1426 BIO_printf(bio_err,"write:errno=%d\n", 1427 get_last_socket_error()); 1428 goto shut; 1429 } 1430 else 1431 { 1432 read_tty=1; 1433 write_ssl=0; 1434 } 1435 break; 1436 case SSL_ERROR_SSL: 1437 ERR_print_errors(bio_err); 1438 goto shut; 1439 } 1440 } 1441 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1442 /* Assume Windows/DOS/BeOS can always write */ 1443 else if (!ssl_pending && write_tty) 1444 #else 1445 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1446 #endif 1447 { 1448 #ifdef CHARSET_EBCDIC 1449 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1450 #endif 1451 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1452 1453 if (i <= 0) 1454 { 1455 BIO_printf(bio_c_out,"DONE\n"); 1456 ret = 0; 1457 goto shut; 1458 /* goto end; */ 1459 } 1460 1461 sbuf_len-=i;; 1462 sbuf_off+=i; 1463 if (sbuf_len <= 0) 1464 { 1465 read_ssl=1; 1466 write_tty=0; 1467 } 1468 } 1469 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1470 { 1471 #ifdef RENEG 1472 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1473 #endif 1474 #if 1 1475 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1476 #else 1477 /* Demo for pending and peek :-) */ 1478 k=SSL_read(con,sbuf,16); 1479 { char zbuf[10240]; 1480 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1481 } 1482 #endif 1483 1484 switch (SSL_get_error(con,k)) 1485 { 1486 case SSL_ERROR_NONE: 1487 if (k <= 0) 1488 goto end; 1489 sbuf_off=0; 1490 sbuf_len=k; 1491 1492 read_ssl=0; 1493 write_tty=1; 1494 break; 1495 case SSL_ERROR_WANT_WRITE: 1496 BIO_printf(bio_c_out,"read W BLOCK\n"); 1497 write_ssl=1; 1498 read_tty=0; 1499 break; 1500 case SSL_ERROR_WANT_READ: 1501 BIO_printf(bio_c_out,"read R BLOCK\n"); 1502 write_tty=0; 1503 read_ssl=1; 1504 if ((read_tty == 0) && (write_ssl == 0)) 1505 write_ssl=1; 1506 break; 1507 case SSL_ERROR_WANT_X509_LOOKUP: 1508 BIO_printf(bio_c_out,"read X BLOCK\n"); 1509 break; 1510 case SSL_ERROR_SYSCALL: 1511 ret=get_last_socket_error(); 1512 BIO_printf(bio_err,"read:errno=%d\n",ret); 1513 goto shut; 1514 case SSL_ERROR_ZERO_RETURN: 1515 BIO_printf(bio_c_out,"closed\n"); 1516 ret=0; 1517 goto shut; 1518 case SSL_ERROR_SSL: 1519 ERR_print_errors(bio_err); 1520 goto shut; 1521 /* break; */ 1522 } 1523 } 1524 1525 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1526 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1527 else if (_kbhit()) 1528 #else 1529 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1530 #endif 1531 #elif defined (OPENSSL_SYS_NETWARE) 1532 else if (_kbhit()) 1533 #elif defined(OPENSSL_SYS_BEOS_R5) 1534 else if (stdin_set) 1535 #else 1536 else if (FD_ISSET(fileno(stdin),&readfds)) 1537 #endif 1538 { 1539 if (crlf) 1540 { 1541 int j, lf_num; 1542 1543 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1544 lf_num = 0; 1545 /* both loops are skipped when i <= 0 */ 1546 for (j = 0; j < i; j++) 1547 if (cbuf[j] == '\n') 1548 lf_num++; 1549 for (j = i-1; j >= 0; j--) 1550 { 1551 cbuf[j+lf_num] = cbuf[j]; 1552 if (cbuf[j] == '\n') 1553 { 1554 lf_num--; 1555 i++; 1556 cbuf[j+lf_num] = '\r'; 1557 } 1558 } 1559 assert(lf_num == 0); 1560 } 1561 else 1562 i=raw_read_stdin(cbuf,BUFSIZZ); 1563 1564 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1565 { 1566 BIO_printf(bio_err,"DONE\n"); 1567 ret=0; 1568 goto shut; 1569 } 1570 1571 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1572 { 1573 BIO_printf(bio_err,"RENEGOTIATING\n"); 1574 SSL_renegotiate(con); 1575 cbuf_len=0; 1576 } 1577 else 1578 { 1579 cbuf_len=i; 1580 cbuf_off=0; 1581 #ifdef CHARSET_EBCDIC 1582 ebcdic2ascii(cbuf, cbuf, i); 1583 #endif 1584 } 1585 1586 write_ssl=1; 1587 read_tty=0; 1588 } 1589 } 1590 1591 ret=0; 1592 shut: 1593 if (in_init) 1594 print_stuff(bio_c_out,con,full_log); 1595 SSL_shutdown(con); 1596 SHUTDOWN(SSL_get_fd(con)); 1597 end: 1598 if (con != NULL) 1599 { 1600 if (prexit != 0) 1601 print_stuff(bio_c_out,con,1); 1602 SSL_free(con); 1603 } 1604 if (ctx != NULL) SSL_CTX_free(ctx); 1605 if (cert) 1606 X509_free(cert); 1607 if (key) 1608 EVP_PKEY_free(key); 1609 if (pass) 1610 OPENSSL_free(pass); 1611 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1612 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1613 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1614 if (bio_c_out != NULL) 1615 { 1616 BIO_free(bio_c_out); 1617 bio_c_out=NULL; 1618 } 1619 apps_shutdown(); 1620 OPENSSL_EXIT(ret); 1621 } 1622 1623 1624 static void print_stuff(BIO *bio, SSL *s, int full) 1625 { 1626 X509 *peer=NULL; 1627 char *p; 1628 static const char *space=" "; 1629 char buf[BUFSIZ]; 1630 STACK_OF(X509) *sk; 1631 STACK_OF(X509_NAME) *sk2; 1632 const SSL_CIPHER *c; 1633 X509_NAME *xn; 1634 int j,i; 1635 #ifndef OPENSSL_NO_COMP 1636 const COMP_METHOD *comp, *expansion; 1637 #endif 1638 1639 if (full) 1640 { 1641 int got_a_chain = 0; 1642 1643 sk=SSL_get_peer_cert_chain(s); 1644 if (sk != NULL) 1645 { 1646 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1647 1648 BIO_printf(bio,"---\nCertificate chain\n"); 1649 for (i=0; i<sk_X509_num(sk); i++) 1650 { 1651 X509_NAME_oneline(X509_get_subject_name( 1652 sk_X509_value(sk,i)),buf,sizeof buf); 1653 BIO_printf(bio,"%2d s:%s\n",i,buf); 1654 X509_NAME_oneline(X509_get_issuer_name( 1655 sk_X509_value(sk,i)),buf,sizeof buf); 1656 BIO_printf(bio," i:%s\n",buf); 1657 if (c_showcerts) 1658 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1659 } 1660 } 1661 1662 BIO_printf(bio,"---\n"); 1663 peer=SSL_get_peer_certificate(s); 1664 if (peer != NULL) 1665 { 1666 BIO_printf(bio,"Server certificate\n"); 1667 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1668 PEM_write_bio_X509(bio,peer); 1669 X509_NAME_oneline(X509_get_subject_name(peer), 1670 buf,sizeof buf); 1671 BIO_printf(bio,"subject=%s\n",buf); 1672 X509_NAME_oneline(X509_get_issuer_name(peer), 1673 buf,sizeof buf); 1674 BIO_printf(bio,"issuer=%s\n",buf); 1675 } 1676 else 1677 BIO_printf(bio,"no peer certificate available\n"); 1678 1679 sk2=SSL_get_client_CA_list(s); 1680 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1681 { 1682 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1683 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1684 { 1685 xn=sk_X509_NAME_value(sk2,i); 1686 X509_NAME_oneline(xn,buf,sizeof(buf)); 1687 BIO_write(bio,buf,strlen(buf)); 1688 BIO_write(bio,"\n",1); 1689 } 1690 } 1691 else 1692 { 1693 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1694 } 1695 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1696 if (p != NULL) 1697 { 1698 /* This works only for SSL 2. In later protocol 1699 * versions, the client does not know what other 1700 * ciphers (in addition to the one to be used 1701 * in the current connection) the server supports. */ 1702 1703 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 1704 j=i=0; 1705 while (*p) 1706 { 1707 if (*p == ':') 1708 { 1709 BIO_write(bio,space,15-j%25); 1710 i++; 1711 j=0; 1712 BIO_write(bio,((i%3)?" ":"\n"),1); 1713 } 1714 else 1715 { 1716 BIO_write(bio,p,1); 1717 j++; 1718 } 1719 p++; 1720 } 1721 BIO_write(bio,"\n",1); 1722 } 1723 1724 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 1725 BIO_number_read(SSL_get_rbio(s)), 1726 BIO_number_written(SSL_get_wbio(s))); 1727 } 1728 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); 1729 c=SSL_get_current_cipher(s); 1730 BIO_printf(bio,"%s, Cipher is %s\n", 1731 SSL_CIPHER_get_version(c), 1732 SSL_CIPHER_get_name(c)); 1733 if (peer != NULL) { 1734 EVP_PKEY *pktmp; 1735 pktmp = X509_get_pubkey(peer); 1736 BIO_printf(bio,"Server public key is %d bit\n", 1737 EVP_PKEY_bits(pktmp)); 1738 EVP_PKEY_free(pktmp); 1739 } 1740 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 1741 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 1742 #ifndef OPENSSL_NO_COMP 1743 comp=SSL_get_current_compression(s); 1744 expansion=SSL_get_current_expansion(s); 1745 BIO_printf(bio,"Compression: %s\n", 1746 comp ? SSL_COMP_get_name(comp) : "NONE"); 1747 BIO_printf(bio,"Expansion: %s\n", 1748 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 1749 #endif 1750 SSL_SESSION_print(bio,SSL_get_session(s)); 1751 BIO_printf(bio,"---\n"); 1752 if (peer != NULL) 1753 X509_free(peer); 1754 /* flush, or debugging output gets mixed with http response */ 1755 (void)BIO_flush(bio); 1756 } 1757 1758 #ifndef OPENSSL_NO_TLSEXT 1759 1760 static int ocsp_resp_cb(SSL *s, void *arg) 1761 { 1762 const unsigned char *p; 1763 int len; 1764 OCSP_RESPONSE *rsp; 1765 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 1766 BIO_puts(arg, "OCSP response: "); 1767 if (!p) 1768 { 1769 BIO_puts(arg, "no response sent\n"); 1770 return 1; 1771 } 1772 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 1773 if (!rsp) 1774 { 1775 BIO_puts(arg, "response parse error\n"); 1776 BIO_dump_indent(arg, (char *)p, len, 4); 1777 return 0; 1778 } 1779 BIO_puts(arg, "\n======================================\n"); 1780 OCSP_RESPONSE_print(arg, rsp, 0); 1781 BIO_puts(arg, "======================================\n"); 1782 OCSP_RESPONSE_free(rsp); 1783 return 1; 1784 } 1785 1786 #endif 1787
Indexes created Sat Feb 28 05:31:39 UTC 2026