1 /* apps/s_client.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 /* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2005 Nokia. All rights reserved. 113 * 114 * The portions of the attached software ("Contribution") is developed by 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 116 * license. 117 * 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 120 * support (see RFC 4279) to OpenSSL. 121 * 122 * No patent licenses or other rights except those expressly stated in 123 * the OpenSSL open source license shall be deemed granted or received 124 * expressly, by implication, estoppel, or otherwise. 125 * 126 * No assurances are provided by Nokia that the Contribution does not 127 * infringe the patent or other intellectual property rights of any third 128 * party or that the license provides you with all the necessary rights 129 * to make use of the Contribution. 130 * 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 135 * OTHERWISE. 136 */ 137 138 #include <assert.h> 139 #include <ctype.h> 140 #include <stdio.h> 141 #include <stdlib.h> 142 #include <string.h> 143 #include <openssl/e_os2.h> 144 #ifdef OPENSSL_NO_STDIO 145 #define APPS_WIN16 146 #endif 147 148 /* With IPv6, it looks like Digital has mixed up the proper order of 149 recursive header file inclusion, resulting in the compiler complaining 150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 151 is needed to have fileno() declared correctly... So let's define u_int */ 152 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 153 #define __U_INT 154 typedef unsigned int u_int; 155 #endif 156 157 #define USE_SOCKETS 158 #include "apps.h" 159 #include <openssl/x509.h> 160 #include <openssl/ssl.h> 161 #include <openssl/err.h> 162 #include <openssl/pem.h> 163 #include <openssl/rand.h> 164 #include <openssl/ocsp.h> 165 #include <openssl/bn.h> 166 #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 - 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 } 347 348 #ifndef OPENSSL_NO_TLSEXT 349 350 /* This is a context that we pass to callbacks */ 351 typedef struct tlsextctx_st { 352 BIO * biodebug; 353 int ack; 354 } tlsextctx; 355 356 357 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 358 { 359 tlsextctx * p = (tlsextctx *) arg; 360 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 361 if (SSL_get_servername_type(s) != -1) 362 p->ack = !SSL_session_reused(s) && hn != NULL; 363 else 364 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 365 366 return SSL_TLSEXT_ERR_OK; 367 } 368 #endif 369 370 enum 371 { 372 PROTO_OFF = 0, 373 PROTO_SMTP, 374 PROTO_POP3, 375 PROTO_IMAP, 376 PROTO_FTP, 377 PROTO_XMPP 378 }; 379 380 int MAIN(int, char **); 381 382 int MAIN(int argc, char **argv) 383 { 384 int off=0; 385 SSL *con=NULL; 386 int s,k,width,state=0; 387 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 388 int cbuf_len,cbuf_off; 389 int sbuf_len,sbuf_off; 390 fd_set readfds,writefds; 391 short port=PORT; 392 int full_log=1; 393 char *host=SSL_HOST_NAME; 394 char *cert_file=NULL,*key_file=NULL; 395 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 396 char *passarg = NULL, *pass = NULL; 397 X509 *cert = NULL; 398 EVP_PKEY *key = NULL; 399 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 400 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 401 int crlf=0; 402 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 403 SSL_CTX *ctx=NULL; 404 int ret=1,in_init=1,i,nbio_test=0; 405 int starttls_proto = PROTO_OFF; 406 int prexit = 0; 407 X509_VERIFY_PARAM *vpm = NULL; 408 int badarg = 0; 409 const SSL_METHOD *meth=NULL; 410 int socket_type=SOCK_STREAM; 411 BIO *sbio; 412 char *inrand=NULL; 413 int mbuf_len=0; 414 #ifndef OPENSSL_NO_ENGINE 415 char *engine_id=NULL; 416 char *ssl_client_engine_id=NULL; 417 ENGINE *ssl_client_engine=NULL; 418 #endif 419 ENGINE *e=NULL; 420 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 421 struct timeval tv; 422 #if defined(OPENSSL_SYS_BEOS_R5) 423 int stdin_set = 0; 424 #endif 425 #endif 426 #ifndef OPENSSL_NO_TLSEXT 427 char *servername = NULL; 428 tlsextctx tlsextcbp = 429 {NULL,0}; 430 #endif 431 char *sess_in = NULL; 432 char *sess_out = NULL; 433 struct sockaddr peer; 434 int peerlen = sizeof(peer); 435 int enable_timeouts = 0 ; 436 long socket_mtu = 0; 437 #ifndef OPENSSL_NO_JPAKE 438 char *jpake_secret = NULL; 439 #endif 440 441 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 442 meth=SSLv23_client_method(); 443 #elif !defined(OPENSSL_NO_SSL3) 444 meth=SSLv3_client_method(); 445 #elif !defined(OPENSSL_NO_SSL2) 446 meth=SSLv2_client_method(); 447 #endif 448 449 apps_startup(); 450 c_Pause=0; 451 c_quiet=0; 452 c_ign_eof=0; 453 c_debug=0; 454 c_msg=0; 455 c_showcerts=0; 456 457 if (bio_err == NULL) 458 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 459 460 if (!load_config(bio_err, NULL)) 461 goto end; 462 463 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 464 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 465 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 466 { 467 BIO_printf(bio_err,"out of memory\n"); 468 goto end; 469 } 470 471 verify_depth=0; 472 verify_error=X509_V_OK; 473 #ifdef FIONBIO 474 c_nbio=0; 475 #endif 476 477 argc--; 478 argv++; 479 while (argc >= 1) 480 { 481 if (strcmp(*argv,"-host") == 0) 482 { 483 if (--argc < 1) goto bad; 484 host= *(++argv); 485 } 486 else if (strcmp(*argv,"-port") == 0) 487 { 488 if (--argc < 1) goto bad; 489 port=atoi(*(++argv)); 490 if (port == 0) goto bad; 491 } 492 else if (strcmp(*argv,"-connect") == 0) 493 { 494 if (--argc < 1) goto bad; 495 if (!extract_host_port(*(++argv),&host,NULL,&port)) 496 goto bad; 497 } 498 else if (strcmp(*argv,"-verify") == 0) 499 { 500 verify=SSL_VERIFY_PEER; 501 if (--argc < 1) goto bad; 502 verify_depth=atoi(*(++argv)); 503 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 504 } 505 else if (strcmp(*argv,"-cert") == 0) 506 { 507 if (--argc < 1) goto bad; 508 cert_file= *(++argv); 509 } 510 else if (strcmp(*argv,"-sess_out") == 0) 511 { 512 if (--argc < 1) goto bad; 513 sess_out = *(++argv); 514 } 515 else if (strcmp(*argv,"-sess_in") == 0) 516 { 517 if (--argc < 1) goto bad; 518 sess_in = *(++argv); 519 } 520 else if (strcmp(*argv,"-certform") == 0) 521 { 522 if (--argc < 1) goto bad; 523 cert_format = str2fmt(*(++argv)); 524 } 525 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 526 { 527 if (badarg) 528 goto bad; 529 continue; 530 } 531 else if (strcmp(*argv,"-verify_return_error") == 0) 532 verify_return_error = 1; 533 else if (strcmp(*argv,"-prexit") == 0) 534 prexit=1; 535 else if (strcmp(*argv,"-crlf") == 0) 536 crlf=1; 537 else if (strcmp(*argv,"-quiet") == 0) 538 { 539 c_quiet=1; 540 c_ign_eof=1; 541 } 542 else if (strcmp(*argv,"-ign_eof") == 0) 543 c_ign_eof=1; 544 else if (strcmp(*argv,"-no_ign_eof") == 0) 545 c_ign_eof=0; 546 else if (strcmp(*argv,"-pause") == 0) 547 c_Pause=1; 548 else if (strcmp(*argv,"-debug") == 0) 549 c_debug=1; 550 #ifndef OPENSSL_NO_TLSEXT 551 else if (strcmp(*argv,"-tlsextdebug") == 0) 552 c_tlsextdebug=1; 553 else if (strcmp(*argv,"-status") == 0) 554 c_status_req=1; 555 #endif 556 #ifdef WATT32 557 else if (strcmp(*argv,"-wdebug") == 0) 558 dbug_init(); 559 #endif 560 else if (strcmp(*argv,"-msg") == 0) 561 c_msg=1; 562 else if (strcmp(*argv,"-showcerts") == 0) 563 c_showcerts=1; 564 else if (strcmp(*argv,"-nbio_test") == 0) 565 nbio_test=1; 566 else if (strcmp(*argv,"-state") == 0) 567 state=1; 568 #ifndef OPENSSL_NO_PSK 569 else if (strcmp(*argv,"-psk_identity") == 0) 570 { 571 if (--argc < 1) goto bad; 572 psk_identity=*(++argv); 573 } 574 else if (strcmp(*argv,"-psk") == 0) 575 { 576 size_t j; 577 578 if (--argc < 1) goto bad; 579 psk_key=*(++argv); 580 for (j = 0; j < strlen(psk_key); j++) 581 { 582 if (isxdigit((int)psk_key[j])) 583 continue; 584 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 585 goto bad; 586 } 587 } 588 #endif 589 #ifndef OPENSSL_NO_SSL2 590 else if (strcmp(*argv,"-ssl2") == 0) 591 meth=SSLv2_client_method(); 592 #endif 593 #ifndef OPENSSL_NO_SSL3 594 else if (strcmp(*argv,"-ssl3") == 0) 595 meth=SSLv3_client_method(); 596 #endif 597 #ifndef OPENSSL_NO_TLS1 598 else if (strcmp(*argv,"-tls1") == 0) 599 meth=TLSv1_client_method(); 600 #endif 601 #ifndef OPENSSL_NO_DTLS1 602 else if (strcmp(*argv,"-dtls1") == 0) 603 { 604 meth=DTLSv1_client_method(); 605 socket_type=SOCK_DGRAM; 606 } 607 else if (strcmp(*argv,"-timeout") == 0) 608 enable_timeouts=1; 609 else if (strcmp(*argv,"-mtu") == 0) 610 { 611 if (--argc < 1) goto bad; 612 socket_mtu = atol(*(++argv)); 613 } 614 #endif 615 else if (strcmp(*argv,"-bugs") == 0) 616 bugs=1; 617 else if (strcmp(*argv,"-keyform") == 0) 618 { 619 if (--argc < 1) goto bad; 620 key_format = str2fmt(*(++argv)); 621 } 622 else if (strcmp(*argv,"-pass") == 0) 623 { 624 if (--argc < 1) goto bad; 625 passarg = *(++argv); 626 } 627 else if (strcmp(*argv,"-key") == 0) 628 { 629 if (--argc < 1) goto bad; 630 key_file= *(++argv); 631 } 632 else if (strcmp(*argv,"-reconnect") == 0) 633 { 634 reconnect=5; 635 } 636 else if (strcmp(*argv,"-CApath") == 0) 637 { 638 if (--argc < 1) goto bad; 639 CApath= *(++argv); 640 } 641 else if (strcmp(*argv,"-CAfile") == 0) 642 { 643 if (--argc < 1) goto bad; 644 CAfile= *(++argv); 645 } 646 else if (strcmp(*argv,"-no_tls1") == 0) 647 off|=SSL_OP_NO_TLSv1; 648 else if (strcmp(*argv,"-no_ssl3") == 0) 649 off|=SSL_OP_NO_SSLv3; 650 else if (strcmp(*argv,"-no_ssl2") == 0) 651 off|=SSL_OP_NO_SSLv2; 652 else if (strcmp(*argv,"-no_comp") == 0) 653 { off|=SSL_OP_NO_COMPRESSION; } 654 #ifndef OPENSSL_NO_TLSEXT 655 else if (strcmp(*argv,"-no_ticket") == 0) 656 { off|=SSL_OP_NO_TICKET; } 657 #endif 658 else if (strcmp(*argv,"-serverpref") == 0) 659 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 660 else if (strcmp(*argv,"-cipher") == 0) 661 { 662 if (--argc < 1) goto bad; 663 cipher= *(++argv); 664 } 665 #ifdef FIONBIO 666 else if (strcmp(*argv,"-nbio") == 0) 667 { c_nbio=1; } 668 #endif 669 else if (strcmp(*argv,"-starttls") == 0) 670 { 671 if (--argc < 1) goto bad; 672 ++argv; 673 if (strcmp(*argv,"smtp") == 0) 674 starttls_proto = PROTO_SMTP; 675 else if (strcmp(*argv,"pop3") == 0) 676 starttls_proto = PROTO_POP3; 677 else if (strcmp(*argv,"imap") == 0) 678 starttls_proto = PROTO_IMAP; 679 else if (strcmp(*argv,"ftp") == 0) 680 starttls_proto = PROTO_FTP; 681 else if (strcmp(*argv, "xmpp") == 0) 682 starttls_proto = PROTO_XMPP; 683 else 684 goto bad; 685 } 686 #ifndef OPENSSL_NO_ENGINE 687 else if (strcmp(*argv,"-engine") == 0) 688 { 689 if (--argc < 1) goto bad; 690 engine_id = *(++argv); 691 } 692 else if (strcmp(*argv,"-ssl_client_engine") == 0) 693 { 694 if (--argc < 1) goto bad; 695 ssl_client_engine_id = *(++argv); 696 } 697 #endif 698 else if (strcmp(*argv,"-rand") == 0) 699 { 700 if (--argc < 1) goto bad; 701 inrand= *(++argv); 702 } 703 #ifndef OPENSSL_NO_TLSEXT 704 else if (strcmp(*argv,"-servername") == 0) 705 { 706 if (--argc < 1) goto bad; 707 servername= *(++argv); 708 /* meth=TLSv1_client_method(); */ 709 } 710 #endif 711 #ifndef OPENSSL_NO_JPAKE 712 else if (strcmp(*argv,"-jpake") == 0) 713 { 714 if (--argc < 1) goto bad; 715 jpake_secret = *++argv; 716 } 717 #endif 718 else 719 { 720 BIO_printf(bio_err,"unknown option %s\n",*argv); 721 badop=1; 722 break; 723 } 724 argc--; 725 argv++; 726 } 727 if (badop) 728 { 729 bad: 730 sc_usage(); 731 goto end; 732 } 733 734 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 735 if (jpake_secret) 736 { 737 if (psk_key) 738 { 739 BIO_printf(bio_err, 740 "Can't use JPAKE and PSK together\n"); 741 goto end; 742 } 743 psk_identity = "JPAKE"; 744 } 745 746 if (cipher) 747 { 748 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 749 goto end; 750 } 751 cipher = "PSK"; 752 #endif 753 754 OpenSSL_add_ssl_algorithms(); 755 SSL_load_error_strings(); 756 757 #ifndef OPENSSL_NO_ENGINE 758 e = setup_engine(bio_err, engine_id, 1); 759 if (ssl_client_engine_id) 760 { 761 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 762 if (!ssl_client_engine) 763 { 764 BIO_printf(bio_err, 765 "Error getting client auth engine\n"); 766 goto end; 767 } 768 } 769 770 #endif 771 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 772 { 773 BIO_printf(bio_err, "Error getting password\n"); 774 goto end; 775 } 776 777 if (key_file == NULL) 778 key_file = cert_file; 779 780 781 if (key_file) 782 783 { 784 785 key = load_key(bio_err, key_file, key_format, 0, pass, e, 786 "client certificate private key file"); 787 if (!key) 788 { 789 ERR_print_errors(bio_err); 790 goto end; 791 } 792 793 } 794 795 if (cert_file) 796 797 { 798 cert = load_cert(bio_err,cert_file,cert_format, 799 NULL, e, "client certificate file"); 800 801 if (!cert) 802 { 803 ERR_print_errors(bio_err); 804 goto end; 805 } 806 } 807 808 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 809 && !RAND_status()) 810 { 811 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 812 } 813 if (inrand != NULL) 814 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 815 app_RAND_load_files(inrand)); 816 817 if (bio_c_out == NULL) 818 { 819 if (c_quiet && !c_debug && !c_msg) 820 { 821 bio_c_out=BIO_new(BIO_s_null()); 822 } 823 else 824 { 825 if (bio_c_out == NULL) 826 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 827 } 828 } 829 830 ctx=SSL_CTX_new(meth); 831 if (ctx == NULL) 832 { 833 ERR_print_errors(bio_err); 834 goto end; 835 } 836 837 if (vpm) 838 SSL_CTX_set1_param(ctx, vpm); 839 840 #ifndef OPENSSL_NO_ENGINE 841 if (ssl_client_engine) 842 { 843 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 844 { 845 BIO_puts(bio_err, "Error setting client auth engine\n"); 846 ERR_print_errors(bio_err); 847 ENGINE_free(ssl_client_engine); 848 goto end; 849 } 850 ENGINE_free(ssl_client_engine); 851 } 852 #endif 853 854 #ifndef OPENSSL_NO_PSK 855 #ifdef OPENSSL_NO_JPAKE 856 if (psk_key != NULL) 857 #else 858 if (psk_key != NULL || jpake_secret) 859 #endif 860 { 861 if (c_debug) 862 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 863 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 864 } 865 #endif 866 if (bugs) 867 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 868 else 869 SSL_CTX_set_options(ctx,off); 870 /* DTLS: partial reads end up discarding unread UDP bytes :-( 871 * Setting read ahead solves this problem. 872 */ 873 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 874 875 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 876 if (cipher != NULL) 877 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 878 BIO_printf(bio_err,"error setting cipher list\n"); 879 ERR_print_errors(bio_err); 880 goto end; 881 } 882 #if 0 883 else 884 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 885 #endif 886 887 SSL_CTX_set_verify(ctx,verify,verify_callback); 888 if (!set_cert_key_stuff(ctx,cert,key)) 889 goto end; 890 891 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 892 (!SSL_CTX_set_default_verify_paths(ctx))) 893 { 894 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 895 ERR_print_errors(bio_err); 896 /* goto end; */ 897 } 898 899 #ifndef OPENSSL_NO_TLSEXT 900 if (servername != NULL) 901 { 902 tlsextcbp.biodebug = bio_err; 903 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 904 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 905 } 906 #endif 907 908 con=SSL_new(ctx); 909 if (sess_in) 910 { 911 SSL_SESSION *sess; 912 BIO *stmp = BIO_new_file(sess_in, "r"); 913 if (!stmp) 914 { 915 BIO_printf(bio_err, "Can't open session file %s\n", 916 sess_in); 917 ERR_print_errors(bio_err); 918 goto end; 919 } 920 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 921 BIO_free(stmp); 922 if (!sess) 923 { 924 BIO_printf(bio_err, "Can't open session file %s\n", 925 sess_in); 926 ERR_print_errors(bio_err); 927 goto end; 928 } 929 SSL_set_session(con, sess); 930 SSL_SESSION_free(sess); 931 } 932 #ifndef OPENSSL_NO_TLSEXT 933 if (servername != NULL) 934 { 935 if (!SSL_set_tlsext_host_name(con,servername)) 936 { 937 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 938 ERR_print_errors(bio_err); 939 goto end; 940 } 941 } 942 #endif 943 #ifndef OPENSSL_NO_KRB5 944 if (con && (con->kssl_ctx = kssl_ctx_new()) != NULL) 945 { 946 kssl_ctx_setstring(con->kssl_ctx, KSSL_SERVER, host); 947 } 948 #endif /* OPENSSL_NO_KRB5 */ 949 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 950 #if 0 951 #ifdef TLSEXT_TYPE_opaque_prf_input 952 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 953 #endif 954 #endif 955 956 re_start: 957 958 if (init_client(&s,host,port,socket_type) == 0) 959 { 960 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 961 SHUTDOWN(s); 962 goto end; 963 } 964 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 965 966 #ifdef FIONBIO 967 if (c_nbio) 968 { 969 unsigned long l=1; 970 BIO_printf(bio_c_out,"turning on non blocking io\n"); 971 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 972 { 973 ERR_print_errors(bio_err); 974 goto end; 975 } 976 } 977 #endif 978 if (c_Pause & 0x01) con->debug=1; 979 980 if ( SSL_version(con) == DTLS1_VERSION) 981 { 982 struct timeval timeout; 983 984 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 985 if (getsockname(s, &peer, (void *)&peerlen) < 0) 986 { 987 BIO_printf(bio_err, "getsockname:errno=%d\n", 988 get_last_socket_error()); 989 SHUTDOWN(s); 990 goto end; 991 } 992 993 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 994 995 if (enable_timeouts) 996 { 997 timeout.tv_sec = 0; 998 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 999 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1000 1001 timeout.tv_sec = 0; 1002 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1003 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1004 } 1005 1006 if (socket_mtu > 28) 1007 { 1008 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1009 SSL_set_mtu(con, socket_mtu - 28); 1010 } 1011 else 1012 /* want to do MTU discovery */ 1013 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1014 } 1015 else 1016 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1017 1018 if (nbio_test) 1019 { 1020 BIO *test; 1021 1022 test=BIO_new(BIO_f_nbio_test()); 1023 sbio=BIO_push(test,sbio); 1024 } 1025 1026 if (c_debug) 1027 { 1028 con->debug=1; 1029 BIO_set_callback(sbio,bio_dump_callback); 1030 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1031 } 1032 if (c_msg) 1033 { 1034 SSL_set_msg_callback(con, msg_cb); 1035 SSL_set_msg_callback_arg(con, bio_c_out); 1036 } 1037 #ifndef OPENSSL_NO_TLSEXT 1038 if (c_tlsextdebug) 1039 { 1040 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1041 SSL_set_tlsext_debug_arg(con, bio_c_out); 1042 } 1043 if (c_status_req) 1044 { 1045 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1046 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1047 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1048 #if 0 1049 { 1050 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1051 OCSP_RESPID *id = OCSP_RESPID_new(); 1052 id->value.byKey = ASN1_OCTET_STRING_new(); 1053 id->type = V_OCSP_RESPID_KEY; 1054 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1055 sk_OCSP_RESPID_push(ids, id); 1056 SSL_set_tlsext_status_ids(con, ids); 1057 } 1058 #endif 1059 } 1060 #endif 1061 #ifndef OPENSSL_NO_JPAKE 1062 if (jpake_secret) 1063 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1064 #endif 1065 1066 SSL_set_bio(con,sbio,sbio); 1067 SSL_set_connect_state(con); 1068 1069 /* ok, lets connect */ 1070 width=SSL_get_fd(con)+1; 1071 1072 read_tty=1; 1073 write_tty=0; 1074 tty_on=0; 1075 read_ssl=1; 1076 write_ssl=1; 1077 1078 cbuf_len=0; 1079 cbuf_off=0; 1080 sbuf_len=0; 1081 sbuf_off=0; 1082 1083 /* This is an ugly hack that does a lot of assumptions */ 1084 /* We do have to handle multi-line responses which may come 1085 in a single packet or not. We therefore have to use 1086 BIO_gets() which does need a buffering BIO. So during 1087 the initial chitchat we do push a buffering BIO into the 1088 chain that is removed again later on to not disturb the 1089 rest of the s_client operation. */ 1090 if (starttls_proto == PROTO_SMTP) 1091 { 1092 int foundit=0; 1093 BIO *fbio = BIO_new(BIO_f_buffer()); 1094 BIO_push(fbio, sbio); 1095 /* wait for multi-line response to end from SMTP */ 1096 do 1097 { 1098 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1099 } 1100 while (mbuf_len>3 && mbuf[3]=='-'); 1101 /* STARTTLS command requires EHLO... */ 1102 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1103 (void)BIO_flush(fbio); 1104 /* wait for multi-line response to end EHLO SMTP response */ 1105 do 1106 { 1107 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1108 if (strstr(mbuf,"STARTTLS")) 1109 foundit=1; 1110 } 1111 while (mbuf_len>3 && mbuf[3]=='-'); 1112 (void)BIO_flush(fbio); 1113 BIO_pop(fbio); 1114 BIO_free(fbio); 1115 if (!foundit) 1116 BIO_printf(bio_err, 1117 "didn't found starttls in server response," 1118 " try anyway...\n"); 1119 BIO_printf(sbio,"STARTTLS\r\n"); 1120 BIO_read(sbio,sbuf,BUFSIZZ); 1121 } 1122 else if (starttls_proto == PROTO_POP3) 1123 { 1124 BIO_read(sbio,mbuf,BUFSIZZ); 1125 BIO_printf(sbio,"STLS\r\n"); 1126 BIO_read(sbio,sbuf,BUFSIZZ); 1127 } 1128 else if (starttls_proto == PROTO_IMAP) 1129 { 1130 int foundit=0; 1131 BIO *fbio = BIO_new(BIO_f_buffer()); 1132 BIO_push(fbio, sbio); 1133 BIO_gets(fbio,mbuf,BUFSIZZ); 1134 /* STARTTLS command requires CAPABILITY... */ 1135 BIO_printf(fbio,". CAPABILITY\r\n"); 1136 (void)BIO_flush(fbio); 1137 /* wait for multi-line CAPABILITY response */ 1138 do 1139 { 1140 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1141 if (strstr(mbuf,"STARTTLS")) 1142 foundit=1; 1143 } 1144 while (mbuf_len>3 && mbuf[0]!='.'); 1145 (void)BIO_flush(fbio); 1146 BIO_pop(fbio); 1147 BIO_free(fbio); 1148 if (!foundit) 1149 BIO_printf(bio_err, 1150 "didn't found STARTTLS in server response," 1151 " try anyway...\n"); 1152 BIO_printf(sbio,". STARTTLS\r\n"); 1153 BIO_read(sbio,sbuf,BUFSIZZ); 1154 } 1155 else if (starttls_proto == PROTO_FTP) 1156 { 1157 BIO *fbio = BIO_new(BIO_f_buffer()); 1158 BIO_push(fbio, sbio); 1159 /* wait for multi-line response to end from FTP */ 1160 do 1161 { 1162 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1163 } 1164 while (mbuf_len>3 && mbuf[3]=='-'); 1165 (void)BIO_flush(fbio); 1166 BIO_pop(fbio); 1167 BIO_free(fbio); 1168 BIO_printf(sbio,"AUTH TLS\r\n"); 1169 BIO_read(sbio,sbuf,BUFSIZZ); 1170 } 1171 if (starttls_proto == PROTO_XMPP) 1172 { 1173 int seen = 0; 1174 BIO_printf(sbio,"<stream:stream " 1175 "xmlns:stream='http://etherx.jabber.org/streams' " 1176 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1177 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1178 mbuf[seen] = 0; 1179 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1180 { 1181 if (strstr(mbuf, "/stream:features>")) 1182 goto shut; 1183 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1184 mbuf[seen] = 0; 1185 } 1186 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1187 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1188 sbuf[seen] = 0; 1189 if (!strstr(sbuf, "<proceed")) 1190 goto shut; 1191 mbuf[0] = 0; 1192 } 1193 1194 for (;;) 1195 { 1196 FD_ZERO(&readfds); 1197 FD_ZERO(&writefds); 1198 1199 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1200 { 1201 in_init=1; 1202 tty_on=0; 1203 } 1204 else 1205 { 1206 tty_on=1; 1207 if (in_init) 1208 { 1209 in_init=0; 1210 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1211 #ifndef OPENSSL_NO_TLSEXT 1212 if (servername != NULL && !SSL_session_reused(con)) 1213 { 1214 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1215 } 1216 #endif 1217 #endif 1218 if (sess_out) 1219 { 1220 BIO *stmp = BIO_new_file(sess_out, "w"); 1221 if (stmp) 1222 { 1223 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1224 BIO_free(stmp); 1225 } 1226 else 1227 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1228 } 1229 print_stuff(bio_c_out,con,full_log); 1230 if (full_log > 0) full_log--; 1231 1232 if (starttls_proto) 1233 { 1234 BIO_printf(bio_err,"%s",mbuf); 1235 /* We don't need to know any more */ 1236 starttls_proto = PROTO_OFF; 1237 } 1238 1239 if (reconnect) 1240 { 1241 reconnect--; 1242 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1243 SSL_shutdown(con); 1244 SSL_set_connect_state(con); 1245 SHUTDOWN(SSL_get_fd(con)); 1246 goto re_start; 1247 } 1248 } 1249 } 1250 1251 ssl_pending = read_ssl && SSL_pending(con); 1252 1253 if (!ssl_pending) 1254 { 1255 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1256 if (tty_on) 1257 { 1258 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1259 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1260 } 1261 if (read_ssl) 1262 openssl_fdset(SSL_get_fd(con),&readfds); 1263 if (write_ssl) 1264 openssl_fdset(SSL_get_fd(con),&writefds); 1265 #else 1266 if(!tty_on || !write_tty) { 1267 if (read_ssl) 1268 openssl_fdset(SSL_get_fd(con),&readfds); 1269 if (write_ssl) 1270 openssl_fdset(SSL_get_fd(con),&writefds); 1271 } 1272 #endif 1273 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1274 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1275 1276 /* Note: under VMS with SOCKETSHR the second parameter 1277 * is currently of type (int *) whereas under other 1278 * systems it is (void *) if you don't have a cast it 1279 * will choke the compiler: if you do have a cast then 1280 * you can either go for (int *) or (void *). 1281 */ 1282 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1283 /* Under Windows/DOS we make the assumption that we can 1284 * always write to the tty: therefore if we need to 1285 * write to the tty we just fall through. Otherwise 1286 * we timeout the select every second and see if there 1287 * are any keypresses. Note: this is a hack, in a proper 1288 * Windows application we wouldn't do this. 1289 */ 1290 i=0; 1291 if(!write_tty) { 1292 if(read_tty) { 1293 tv.tv_sec = 1; 1294 tv.tv_usec = 0; 1295 i=select(width,(void *)&readfds,(void *)&writefds, 1296 NULL,&tv); 1297 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1298 if(!i && (!_kbhit() || !read_tty) ) continue; 1299 #else 1300 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1301 #endif 1302 } else i=select(width,(void *)&readfds,(void *)&writefds, 1303 NULL,NULL); 1304 } 1305 #elif defined(OPENSSL_SYS_NETWARE) 1306 if(!write_tty) { 1307 if(read_tty) { 1308 tv.tv_sec = 1; 1309 tv.tv_usec = 0; 1310 i=select(width,(void *)&readfds,(void *)&writefds, 1311 NULL,&tv); 1312 } else i=select(width,(void *)&readfds,(void *)&writefds, 1313 NULL,NULL); 1314 } 1315 #elif defined(OPENSSL_SYS_BEOS_R5) 1316 /* Under BeOS-R5 the situation is similar to DOS */ 1317 i=0; 1318 stdin_set = 0; 1319 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1320 if(!write_tty) { 1321 if(read_tty) { 1322 tv.tv_sec = 1; 1323 tv.tv_usec = 0; 1324 i=select(width,(void *)&readfds,(void *)&writefds, 1325 NULL,&tv); 1326 if (read(fileno(stdin), sbuf, 0) >= 0) 1327 stdin_set = 1; 1328 if (!i && (stdin_set != 1 || !read_tty)) 1329 continue; 1330 } else i=select(width,(void *)&readfds,(void *)&writefds, 1331 NULL,NULL); 1332 } 1333 (void)fcntl(fileno(stdin), F_SETFL, 0); 1334 #else 1335 i=select(width,(void *)&readfds,(void *)&writefds, 1336 NULL,NULL); 1337 #endif 1338 if ( i < 0) 1339 { 1340 BIO_printf(bio_err,"bad select %d\n", 1341 get_last_socket_error()); 1342 goto shut; 1343 /* goto end; */ 1344 } 1345 } 1346 1347 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1348 { 1349 k=SSL_write(con,&(cbuf[cbuf_off]), 1350 (unsigned int)cbuf_len); 1351 switch (SSL_get_error(con,k)) 1352 { 1353 case SSL_ERROR_NONE: 1354 cbuf_off+=k; 1355 cbuf_len-=k; 1356 if (k <= 0) goto end; 1357 /* we have done a write(con,NULL,0); */ 1358 if (cbuf_len <= 0) 1359 { 1360 read_tty=1; 1361 write_ssl=0; 1362 } 1363 else /* if (cbuf_len > 0) */ 1364 { 1365 read_tty=0; 1366 write_ssl=1; 1367 } 1368 break; 1369 case SSL_ERROR_WANT_WRITE: 1370 BIO_printf(bio_c_out,"write W BLOCK\n"); 1371 write_ssl=1; 1372 read_tty=0; 1373 break; 1374 case SSL_ERROR_WANT_READ: 1375 BIO_printf(bio_c_out,"write R BLOCK\n"); 1376 write_tty=0; 1377 read_ssl=1; 1378 write_ssl=0; 1379 break; 1380 case SSL_ERROR_WANT_X509_LOOKUP: 1381 BIO_printf(bio_c_out,"write X BLOCK\n"); 1382 break; 1383 case SSL_ERROR_ZERO_RETURN: 1384 if (cbuf_len != 0) 1385 { 1386 BIO_printf(bio_c_out,"shutdown\n"); 1387 ret = 0; 1388 goto shut; 1389 } 1390 else 1391 { 1392 read_tty=1; 1393 write_ssl=0; 1394 break; 1395 } 1396 1397 case SSL_ERROR_SYSCALL: 1398 if ((k != 0) || (cbuf_len != 0)) 1399 { 1400 BIO_printf(bio_err,"write:errno=%d\n", 1401 get_last_socket_error()); 1402 goto shut; 1403 } 1404 else 1405 { 1406 read_tty=1; 1407 write_ssl=0; 1408 } 1409 break; 1410 case SSL_ERROR_SSL: 1411 ERR_print_errors(bio_err); 1412 goto shut; 1413 } 1414 } 1415 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1416 /* Assume Windows/DOS/BeOS can always write */ 1417 else if (!ssl_pending && write_tty) 1418 #else 1419 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1420 #endif 1421 { 1422 #ifdef CHARSET_EBCDIC 1423 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1424 #endif 1425 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1426 1427 if (i <= 0) 1428 { 1429 BIO_printf(bio_c_out,"DONE\n"); 1430 ret = 0; 1431 goto shut; 1432 /* goto end; */ 1433 } 1434 1435 sbuf_len-=i;; 1436 sbuf_off+=i; 1437 if (sbuf_len <= 0) 1438 { 1439 read_ssl=1; 1440 write_tty=0; 1441 } 1442 } 1443 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1444 { 1445 #ifdef RENEG 1446 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1447 #endif 1448 #if 1 1449 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1450 #else 1451 /* Demo for pending and peek :-) */ 1452 k=SSL_read(con,sbuf,16); 1453 { char zbuf[10240]; 1454 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1455 } 1456 #endif 1457 1458 switch (SSL_get_error(con,k)) 1459 { 1460 case SSL_ERROR_NONE: 1461 if (k <= 0) 1462 goto end; 1463 sbuf_off=0; 1464 sbuf_len=k; 1465 1466 read_ssl=0; 1467 write_tty=1; 1468 break; 1469 case SSL_ERROR_WANT_WRITE: 1470 BIO_printf(bio_c_out,"read W BLOCK\n"); 1471 write_ssl=1; 1472 read_tty=0; 1473 break; 1474 case SSL_ERROR_WANT_READ: 1475 BIO_printf(bio_c_out,"read R BLOCK\n"); 1476 write_tty=0; 1477 read_ssl=1; 1478 if ((read_tty == 0) && (write_ssl == 0)) 1479 write_ssl=1; 1480 break; 1481 case SSL_ERROR_WANT_X509_LOOKUP: 1482 BIO_printf(bio_c_out,"read X BLOCK\n"); 1483 break; 1484 case SSL_ERROR_SYSCALL: 1485 ret=get_last_socket_error(); 1486 BIO_printf(bio_err,"read:errno=%d\n",ret); 1487 goto shut; 1488 case SSL_ERROR_ZERO_RETURN: 1489 BIO_printf(bio_c_out,"closed\n"); 1490 ret=0; 1491 goto shut; 1492 case SSL_ERROR_SSL: 1493 ERR_print_errors(bio_err); 1494 goto shut; 1495 /* break; */ 1496 } 1497 } 1498 1499 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1500 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1501 else if (_kbhit()) 1502 #else 1503 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1504 #endif 1505 #elif defined (OPENSSL_SYS_NETWARE) 1506 else if (_kbhit()) 1507 #elif defined(OPENSSL_SYS_BEOS_R5) 1508 else if (stdin_set) 1509 #else 1510 else if (FD_ISSET(fileno(stdin),&readfds)) 1511 #endif 1512 { 1513 if (crlf) 1514 { 1515 int j, lf_num; 1516 1517 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1518 lf_num = 0; 1519 /* both loops are skipped when i <= 0 */ 1520 for (j = 0; j < i; j++) 1521 if (cbuf[j] == '\n') 1522 lf_num++; 1523 for (j = i-1; j >= 0; j--) 1524 { 1525 cbuf[j+lf_num] = cbuf[j]; 1526 if (cbuf[j] == '\n') 1527 { 1528 lf_num--; 1529 i++; 1530 cbuf[j+lf_num] = '\r'; 1531 } 1532 } 1533 assert(lf_num == 0); 1534 } 1535 else 1536 i=raw_read_stdin(cbuf,BUFSIZZ); 1537 1538 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1539 { 1540 BIO_printf(bio_err,"DONE\n"); 1541 ret=0; 1542 goto shut; 1543 } 1544 1545 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1546 { 1547 BIO_printf(bio_err,"RENEGOTIATING\n"); 1548 SSL_renegotiate(con); 1549 cbuf_len=0; 1550 } 1551 else 1552 { 1553 cbuf_len=i; 1554 cbuf_off=0; 1555 #ifdef CHARSET_EBCDIC 1556 ebcdic2ascii(cbuf, cbuf, i); 1557 #endif 1558 } 1559 1560 write_ssl=1; 1561 read_tty=0; 1562 } 1563 } 1564 1565 ret=0; 1566 shut: 1567 if (in_init) 1568 print_stuff(bio_c_out,con,full_log); 1569 SSL_shutdown(con); 1570 SHUTDOWN(SSL_get_fd(con)); 1571 end: 1572 if (con != NULL) 1573 { 1574 if (prexit != 0) 1575 print_stuff(bio_c_out,con,1); 1576 SSL_free(con); 1577 } 1578 if (ctx != NULL) SSL_CTX_free(ctx); 1579 if (cert) 1580 X509_free(cert); 1581 if (key) 1582 EVP_PKEY_free(key); 1583 if (pass) 1584 OPENSSL_free(pass); 1585 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1586 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1587 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1588 if (bio_c_out != NULL) 1589 { 1590 BIO_free(bio_c_out); 1591 bio_c_out=NULL; 1592 } 1593 apps_shutdown(); 1594 OPENSSL_EXIT(ret); 1595 } 1596 1597 1598 static void print_stuff(BIO *bio, SSL *s, int full) 1599 { 1600 X509 *peer=NULL; 1601 char *p; 1602 static const char *space=" "; 1603 char buf[BUFSIZ]; 1604 STACK_OF(X509) *sk; 1605 STACK_OF(X509_NAME) *sk2; 1606 const SSL_CIPHER *c; 1607 X509_NAME *xn; 1608 int j,i; 1609 #ifndef OPENSSL_NO_COMP 1610 const COMP_METHOD *comp, *expansion; 1611 #endif 1612 1613 if (full) 1614 { 1615 int got_a_chain = 0; 1616 1617 sk=SSL_get_peer_cert_chain(s); 1618 if (sk != NULL) 1619 { 1620 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1621 1622 BIO_printf(bio,"---\nCertificate chain\n"); 1623 for (i=0; i<sk_X509_num(sk); i++) 1624 { 1625 X509_NAME_oneline(X509_get_subject_name( 1626 sk_X509_value(sk,i)),buf,sizeof buf); 1627 BIO_printf(bio,"%2d s:%s\n",i,buf); 1628 X509_NAME_oneline(X509_get_issuer_name( 1629 sk_X509_value(sk,i)),buf,sizeof buf); 1630 BIO_printf(bio," i:%s\n",buf); 1631 if (c_showcerts) 1632 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1633 } 1634 } 1635 1636 BIO_printf(bio,"---\n"); 1637 peer=SSL_get_peer_certificate(s); 1638 if (peer != NULL) 1639 { 1640 BIO_printf(bio,"Server certificate\n"); 1641 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1642 PEM_write_bio_X509(bio,peer); 1643 X509_NAME_oneline(X509_get_subject_name(peer), 1644 buf,sizeof buf); 1645 BIO_printf(bio,"subject=%s\n",buf); 1646 X509_NAME_oneline(X509_get_issuer_name(peer), 1647 buf,sizeof buf); 1648 BIO_printf(bio,"issuer=%s\n",buf); 1649 } 1650 else 1651 BIO_printf(bio,"no peer certificate available\n"); 1652 1653 sk2=SSL_get_client_CA_list(s); 1654 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1655 { 1656 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1657 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1658 { 1659 xn=sk_X509_NAME_value(sk2,i); 1660 X509_NAME_oneline(xn,buf,sizeof(buf)); 1661 BIO_write(bio,buf,strlen(buf)); 1662 BIO_write(bio,"\n",1); 1663 } 1664 } 1665 else 1666 { 1667 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1668 } 1669 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1670 if (p != NULL) 1671 { 1672 /* This works only for SSL 2. In later protocol 1673 * versions, the client does not know what other 1674 * ciphers (in addition to the one to be used 1675 * in the current connection) the server supports. */ 1676 1677 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 1678 j=i=0; 1679 while (*p) 1680 { 1681 if (*p == ':') 1682 { 1683 BIO_write(bio,space,15-j%25); 1684 i++; 1685 j=0; 1686 BIO_write(bio,((i%3)?" ":"\n"),1); 1687 } 1688 else 1689 { 1690 BIO_write(bio,p,1); 1691 j++; 1692 } 1693 p++; 1694 } 1695 BIO_write(bio,"\n",1); 1696 } 1697 1698 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 1699 BIO_number_read(SSL_get_rbio(s)), 1700 BIO_number_written(SSL_get_wbio(s))); 1701 } 1702 BIO_printf(bio,((s->hit)?"---\nReused, ":"---\nNew, ")); 1703 c=SSL_get_current_cipher(s); 1704 BIO_printf(bio,"%s, Cipher is %s\n", 1705 SSL_CIPHER_get_version(c), 1706 SSL_CIPHER_get_name(c)); 1707 if (peer != NULL) { 1708 EVP_PKEY *pktmp; 1709 pktmp = X509_get_pubkey(peer); 1710 BIO_printf(bio,"Server public key is %d bit\n", 1711 EVP_PKEY_bits(pktmp)); 1712 EVP_PKEY_free(pktmp); 1713 } 1714 #ifndef OPENSSL_NO_COMP 1715 comp=SSL_get_current_compression(s); 1716 expansion=SSL_get_current_expansion(s); 1717 BIO_printf(bio,"Compression: %s\n", 1718 comp ? SSL_COMP_get_name(comp) : "NONE"); 1719 BIO_printf(bio,"Expansion: %s\n", 1720 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 1721 #endif 1722 SSL_SESSION_print(bio,SSL_get_session(s)); 1723 BIO_printf(bio,"---\n"); 1724 if (peer != NULL) 1725 X509_free(peer); 1726 /* flush, or debugging output gets mixed with http response */ 1727 (void)BIO_flush(bio); 1728 } 1729 1730 #ifndef OPENSSL_NO_TLSEXT 1731 1732 static int ocsp_resp_cb(SSL *s, void *arg) 1733 { 1734 const unsigned char *p; 1735 int len; 1736 OCSP_RESPONSE *rsp; 1737 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 1738 BIO_puts(arg, "OCSP response: "); 1739 if (!p) 1740 { 1741 BIO_puts(arg, "no response sent\n"); 1742 return 1; 1743 } 1744 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 1745 if (!rsp) 1746 { 1747 BIO_puts(arg, "response parse error\n"); 1748 BIO_dump_indent(arg, (char *)p, len, 4); 1749 return 0; 1750 } 1751 BIO_puts(arg, "\n======================================\n"); 1752 OCSP_RESPONSE_print(arg, rsp, 0); 1753 BIO_puts(arg, "======================================\n"); 1754 OCSP_RESPONSE_free(rsp); 1755 return 1; 1756 } 1757 1758 #endif 1759