1 /* apps/s_client.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 /* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2005 Nokia. All rights reserved. 113 * 114 * The portions of the attached software ("Contribution") is developed by 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 116 * license. 117 * 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 120 * support (see RFC 4279) to OpenSSL. 121 * 122 * No patent licenses or other rights except those expressly stated in 123 * the OpenSSL open source license shall be deemed granted or received 124 * expressly, by implication, estoppel, or otherwise. 125 * 126 * No assurances are provided by Nokia that the Contribution does not 127 * infringe the patent or other intellectual property rights of any third 128 * party or that the license provides you with all the necessary rights 129 * to make use of the Contribution. 130 * 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 135 * OTHERWISE. 136 */ 137 138 #include <assert.h> 139 #include <ctype.h> 140 #include <stdio.h> 141 #include <stdlib.h> 142 #include <string.h> 143 #include <openssl/e_os2.h> 144 #ifdef OPENSSL_NO_STDIO 145 # define APPS_WIN16 146 #endif 147 148 /* 149 * With IPv6, it looks like Digital has mixed up the proper order of 150 * recursive header file inclusion, resulting in the compiler complaining 151 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 152 * needed to have fileno() declared correctly... So let's define u_int 153 */ 154 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 155 # define __U_INT 156 typedef unsigned int u_int; 157 #endif 158 159 #define USE_SOCKETS 160 #include "apps.h" 161 #include <openssl/x509.h> 162 #include <openssl/ssl.h> 163 #include <openssl/err.h> 164 #include <openssl/pem.h> 165 #include <openssl/rand.h> 166 #include <openssl/ocsp.h> 167 #include <openssl/bn.h> 168 #ifndef OPENSSL_NO_SRP 169 # include <openssl/srp.h> 170 #endif 171 #include "s_apps.h" 172 #include "timeouts.h" 173 174 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 175 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 176 # undef FIONBIO 177 #endif 178 179 #if defined(OPENSSL_SYS_BEOS_R5) 180 # include <fcntl.h> 181 #endif 182 183 #undef PROG 184 #define PROG s_client_main 185 186 /* 187 * #define SSL_HOST_NAME "www.netscape.com" 188 */ 189 /* 190 * #define SSL_HOST_NAME "193.118.187.102" 191 */ 192 #define SSL_HOST_NAME "localhost" 193 194 /* no default cert. */ 195 /* 196 * #define TEST_CERT "client.pem" 197 */ 198 199 #undef BUFSIZZ 200 #define BUFSIZZ 1024*8 201 202 extern int verify_depth; 203 extern int verify_error; 204 extern int verify_return_error; 205 extern int verify_quiet; 206 207 #ifdef FIONBIO 208 static int c_nbio = 0; 209 #endif 210 static int c_Pause = 0; 211 static int c_debug = 0; 212 #ifndef OPENSSL_NO_TLSEXT 213 static int c_tlsextdebug = 0; 214 static int c_status_req = 0; 215 #endif 216 static int c_msg = 0; 217 static int c_showcerts = 0; 218 219 static char *keymatexportlabel = NULL; 220 static int keymatexportlen = 20; 221 222 static void sc_usage(void); 223 static void print_stuff(BIO *berr, SSL *con, int full); 224 #ifndef OPENSSL_NO_TLSEXT 225 static int ocsp_resp_cb(SSL *s, void *arg); 226 #endif 227 static BIO *bio_c_out = NULL; 228 static BIO *bio_c_msg = NULL; 229 static int c_quiet = 0; 230 static int c_ign_eof = 0; 231 static int c_brief = 0; 232 233 #ifndef OPENSSL_NO_PSK 234 /* Default PSK identity and key */ 235 static char *psk_identity = "Client_identity"; 236 /* 237 * char *psk_key=NULL; by default PSK is not used 238 */ 239 240 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 241 unsigned int max_identity_len, 242 unsigned char *psk, 243 unsigned int max_psk_len) 244 { 245 unsigned int psk_len = 0; 246 int ret; 247 BIGNUM *bn = NULL; 248 249 if (c_debug) 250 BIO_printf(bio_c_out, "psk_client_cb\n"); 251 if (!hint) { 252 /* no ServerKeyExchange message */ 253 if (c_debug) 254 BIO_printf(bio_c_out, 255 "NULL received PSK identity hint, continuing anyway\n"); 256 } else if (c_debug) 257 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 258 259 /* 260 * lookup PSK identity and PSK key based on the given identity hint here 261 */ 262 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 263 if (ret < 0 || (unsigned int)ret > max_identity_len) 264 goto out_err; 265 if (c_debug) 266 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, 267 ret); 268 ret = BN_hex2bn(&bn, psk_key); 269 if (!ret) { 270 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 271 psk_key); 272 if (bn) 273 BN_free(bn); 274 return 0; 275 } 276 277 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) { 278 BIO_printf(bio_err, 279 "psk buffer of callback is too small (%d) for key (%d)\n", 280 max_psk_len, BN_num_bytes(bn)); 281 BN_free(bn); 282 return 0; 283 } 284 285 psk_len = BN_bn2bin(bn, psk); 286 BN_free(bn); 287 if (psk_len == 0) 288 goto out_err; 289 290 if (c_debug) 291 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 292 293 return psk_len; 294 out_err: 295 if (c_debug) 296 BIO_printf(bio_err, "Error in PSK client callback\n"); 297 return 0; 298 } 299 #endif 300 301 static void sc_usage(void) 302 { 303 BIO_printf(bio_err, "usage: s_client args\n"); 304 BIO_printf(bio_err, "\n"); 305 BIO_printf(bio_err, " -host host - use -connect instead\n"); 306 BIO_printf(bio_err, " -port port - use -connect instead\n"); 307 BIO_printf(bio_err, 308 " -connect host:port - who to connect to (default is %s:%s)\n", 309 SSL_HOST_NAME, PORT_STR); 310 BIO_printf(bio_err, 311 " -verify_hostname host - check peer certificate matches \"host\"\n"); 312 BIO_printf(bio_err, 313 " -verify_email email - check peer certificate matches \"email\"\n"); 314 BIO_printf(bio_err, 315 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 316 317 BIO_printf(bio_err, 318 " -verify arg - turn on peer certificate verification\n"); 319 BIO_printf(bio_err, 320 " -verify_return_error - return verification errors\n"); 321 BIO_printf(bio_err, 322 " -cert arg - certificate file to use, PEM format assumed\n"); 323 BIO_printf(bio_err, 324 " -certform arg - certificate format (PEM or DER) PEM default\n"); 325 BIO_printf(bio_err, 326 " -key arg - Private key file to use, in cert file if\n"); 327 BIO_printf(bio_err, " not specified but cert file is.\n"); 328 BIO_printf(bio_err, 329 " -keyform arg - key format (PEM or DER) PEM default\n"); 330 BIO_printf(bio_err, 331 " -pass arg - private key file pass phrase source\n"); 332 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 333 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 334 BIO_printf(bio_err, 335 " -no_alt_chains - only ever use the first certificate chain found\n"); 336 BIO_printf(bio_err, 337 " -reconnect - Drop and re-make the connection with the same Session-ID\n"); 338 BIO_printf(bio_err, 339 " -pause - sleep(1) after each read(2) and write(2) system call\n"); 340 BIO_printf(bio_err, 341 " -prexit - print session information even on connection failure\n"); 342 BIO_printf(bio_err, 343 " -showcerts - show all certificates in the chain\n"); 344 BIO_printf(bio_err, " -debug - extra output\n"); 345 #ifdef WATT32 346 BIO_printf(bio_err, " -wdebug - WATT-32 tcp debugging\n"); 347 #endif 348 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 349 BIO_printf(bio_err, " -nbio_test - more ssl protocol testing\n"); 350 BIO_printf(bio_err, " -state - print the 'ssl' states\n"); 351 #ifdef FIONBIO 352 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 353 #endif 354 BIO_printf(bio_err, 355 " -crlf - convert LF from terminal into CRLF\n"); 356 BIO_printf(bio_err, " -quiet - no s_client output\n"); 357 BIO_printf(bio_err, 358 " -ign_eof - ignore input eof (default when -quiet)\n"); 359 BIO_printf(bio_err, " -no_ign_eof - don't ignore input eof\n"); 360 #ifndef OPENSSL_NO_PSK 361 BIO_printf(bio_err, " -psk_identity arg - PSK identity\n"); 362 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 363 # ifndef OPENSSL_NO_JPAKE 364 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 365 # endif 366 #endif 367 #ifndef OPENSSL_NO_SRP 368 BIO_printf(bio_err, 369 " -srpuser user - SRP authentification for 'user'\n"); 370 BIO_printf(bio_err, " -srppass arg - password for 'user'\n"); 371 BIO_printf(bio_err, 372 " -srp_lateuser - SRP username into second ClientHello message\n"); 373 BIO_printf(bio_err, 374 " -srp_moregroups - Tolerate other than the known g N values.\n"); 375 BIO_printf(bio_err, 376 " -srp_strength int - minimal length in bits for N (default %d).\n", 377 SRP_MINIMAL_N); 378 #endif 379 BIO_printf(bio_err, " -ssl2 - just use SSLv2\n"); 380 #ifndef OPENSSL_NO_SSL3_METHOD 381 BIO_printf(bio_err, " -ssl3 - just use SSLv3\n"); 382 #endif 383 BIO_printf(bio_err, " -tls1_2 - just use TLSv1.2\n"); 384 BIO_printf(bio_err, " -tls1_1 - just use TLSv1.1\n"); 385 BIO_printf(bio_err, " -tls1 - just use TLSv1\n"); 386 BIO_printf(bio_err, " -dtls1 - just use DTLSv1\n"); 387 BIO_printf(bio_err, " -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 388 BIO_printf(bio_err, " -mtu - set the link layer MTU\n"); 389 BIO_printf(bio_err, 390 " -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 391 BIO_printf(bio_err, 392 " -bugs - Switch on all SSL implementation bug workarounds\n"); 393 BIO_printf(bio_err, 394 " -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 395 BIO_printf(bio_err, 396 " command to see what is available\n"); 397 BIO_printf(bio_err, 398 " -starttls prot - use the STARTTLS command before starting TLS\n"); 399 BIO_printf(bio_err, 400 " for those protocols that support it, where\n"); 401 BIO_printf(bio_err, 402 " 'prot' defines which one to assume. Currently,\n"); 403 BIO_printf(bio_err, 404 " only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 405 BIO_printf(bio_err, " are supported.\n"); 406 #ifndef OPENSSL_NO_ENGINE 407 BIO_printf(bio_err, 408 " -engine id - Initialise and use the specified engine\n"); 409 #endif 410 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 411 LIST_SEPARATOR_CHAR); 412 BIO_printf(bio_err, " -sess_out arg - file to write SSL session to\n"); 413 BIO_printf(bio_err, " -sess_in arg - file to read SSL session from\n"); 414 #ifndef OPENSSL_NO_TLSEXT 415 BIO_printf(bio_err, 416 " -servername host - Set TLS extension servername in ClientHello\n"); 417 BIO_printf(bio_err, 418 " -tlsextdebug - hex dump of all TLS extensions received\n"); 419 BIO_printf(bio_err, 420 " -status - request certificate status from server\n"); 421 BIO_printf(bio_err, 422 " -no_ticket - disable use of RFC4507bis session tickets\n"); 423 BIO_printf(bio_err, 424 " -serverinfo types - send empty ClientHello extensions (comma-separated numbers)\n"); 425 BIO_printf(bio_err, 426 " -curves arg - Elliptic curves to advertise (colon-separated list)\n"); 427 BIO_printf(bio_err, 428 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); 429 BIO_printf(bio_err, 430 " -client_sigalgs arg - Signature algorithms to support for client\n"); 431 BIO_printf(bio_err, 432 " certificate authentication (colon-separated list)\n"); 433 #endif 434 #ifndef OPENSSL_NO_NEXTPROTONEG 435 BIO_printf(bio_err, 436 " -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 437 #endif 438 BIO_printf(bio_err, 439 " -alpn arg - enable ALPN extension, considering named protocols supported (comma-separated list)\n"); 440 BIO_printf(bio_err, 441 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 442 #ifndef OPENSSL_NO_SRTP 443 BIO_printf(bio_err, 444 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 445 #endif 446 BIO_printf(bio_err, 447 " -keymatexport label - Export keying material using label\n"); 448 BIO_printf(bio_err, 449 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 450 } 451 452 #ifndef OPENSSL_NO_TLSEXT 453 454 /* This is a context that we pass to callbacks */ 455 typedef struct tlsextctx_st { 456 BIO *biodebug; 457 int ack; 458 } tlsextctx; 459 460 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 461 { 462 tlsextctx *p = (tlsextctx *) arg; 463 const char *hn = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 464 if (SSL_get_servername_type(s) != -1) 465 p->ack = !SSL_session_reused(s) && hn != NULL; 466 else 467 BIO_printf(bio_err, "Can't use SSL_get_servername\n"); 468 469 return SSL_TLSEXT_ERR_OK; 470 } 471 472 # ifndef OPENSSL_NO_SRP 473 474 /* This is a context that we pass to all callbacks */ 475 typedef struct srp_arg_st { 476 char *srppassin; 477 char *srplogin; 478 int msg; /* copy from c_msg */ 479 int debug; /* copy from c_debug */ 480 int amp; /* allow more groups */ 481 int strength /* minimal size for N */ ; 482 } SRP_ARG; 483 484 # define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 485 486 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 487 { 488 BN_CTX *bn_ctx = BN_CTX_new(); 489 BIGNUM *p = BN_new(); 490 BIGNUM *r = BN_new(); 491 int ret = 492 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 493 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 494 p != NULL && BN_rshift1(p, N) && 495 /* p = (N-1)/2 */ 496 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 497 r != NULL && 498 /* verify g^((N-1)/2) == -1 (mod N) */ 499 BN_mod_exp(r, g, p, N, bn_ctx) && 500 BN_add_word(r, 1) && BN_cmp(r, N) == 0; 501 502 if (r) 503 BN_free(r); 504 if (p) 505 BN_free(p); 506 if (bn_ctx) 507 BN_CTX_free(bn_ctx); 508 return ret; 509 } 510 511 /*- 512 * This callback is used here for two purposes: 513 * - extended debugging 514 * - making some primality tests for unknown groups 515 * The callback is only called for a non default group. 516 * 517 * An application does not need the call back at all if 518 * only the stanard groups are used. In real life situations, 519 * client and server already share well known groups, 520 * thus there is no need to verify them. 521 * Furthermore, in case that a server actually proposes a group that 522 * is not one of those defined in RFC 5054, it is more appropriate 523 * to add the group to a static list and then compare since 524 * primality tests are rather cpu consuming. 525 */ 526 527 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 528 { 529 SRP_ARG *srp_arg = (SRP_ARG *)arg; 530 BIGNUM *N = NULL, *g = NULL; 531 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 532 return 0; 533 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) { 534 BIO_printf(bio_err, "SRP parameters:\n"); 535 BIO_printf(bio_err, "\tN="); 536 BN_print(bio_err, N); 537 BIO_printf(bio_err, "\n\tg="); 538 BN_print(bio_err, g); 539 BIO_printf(bio_err, "\n"); 540 } 541 542 if (SRP_check_known_gN_param(g, N)) 543 return 1; 544 545 if (srp_arg->amp == 1) { 546 if (srp_arg->debug) 547 BIO_printf(bio_err, 548 "SRP param N and g are not known params, going to check deeper.\n"); 549 550 /* 551 * The srp_moregroups is a real debugging feature. Implementors 552 * should rather add the value to the known ones. The minimal size 553 * has already been tested. 554 */ 555 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N, g)) 556 return 1; 557 } 558 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 559 return 0; 560 } 561 562 # define PWD_STRLEN 1024 563 564 static char *MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 565 { 566 SRP_ARG *srp_arg = (SRP_ARG *)arg; 567 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN + 1); 568 PW_CB_DATA cb_tmp; 569 int l; 570 571 if (!pass) { 572 BIO_printf(bio_err, "Malloc failure\n"); 573 return NULL; 574 } 575 576 cb_tmp.password = (char *)srp_arg->srppassin; 577 cb_tmp.prompt_info = "SRP user"; 578 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp)) < 0) { 579 BIO_printf(bio_err, "Can't read Password\n"); 580 OPENSSL_free(pass); 581 return NULL; 582 } 583 *(pass + l) = '\0'; 584 585 return pass; 586 } 587 588 # endif 589 # ifndef OPENSSL_NO_SRTP 590 char *srtp_profiles = NULL; 591 # endif 592 593 # ifndef OPENSSL_NO_NEXTPROTONEG 594 /* This the context that we pass to next_proto_cb */ 595 typedef struct tlsextnextprotoctx_st { 596 unsigned char *data; 597 unsigned short len; 598 int status; 599 } tlsextnextprotoctx; 600 601 static tlsextnextprotoctx next_proto; 602 603 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, 604 const unsigned char *in, unsigned int inlen, 605 void *arg) 606 { 607 tlsextnextprotoctx *ctx = arg; 608 609 if (!c_quiet) { 610 /* We can assume that |in| is syntactically valid. */ 611 unsigned i; 612 BIO_printf(bio_c_out, "Protocols advertised by server: "); 613 for (i = 0; i < inlen;) { 614 if (i) 615 BIO_write(bio_c_out, ", ", 2); 616 BIO_write(bio_c_out, &in[i + 1], in[i]); 617 i += in[i] + 1; 618 } 619 BIO_write(bio_c_out, "\n", 1); 620 } 621 622 ctx->status = 623 SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 624 return SSL_TLSEXT_ERR_OK; 625 } 626 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 627 628 static int serverinfo_cli_parse_cb(SSL *s, unsigned int ext_type, 629 const unsigned char *in, size_t inlen, 630 int *al, void *arg) 631 { 632 char pem_name[100]; 633 unsigned char ext_buf[4 + 65536]; 634 635 /* Reconstruct the type/len fields prior to extension data */ 636 ext_buf[0] = ext_type >> 8; 637 ext_buf[1] = ext_type & 0xFF; 638 ext_buf[2] = inlen >> 8; 639 ext_buf[3] = inlen & 0xFF; 640 memcpy(ext_buf + 4, in, inlen); 641 642 BIO_snprintf(pem_name, sizeof(pem_name), "SERVERINFO FOR EXTENSION %d", 643 ext_type); 644 PEM_write_bio(bio_c_out, pem_name, "", ext_buf, 4 + inlen); 645 return 1; 646 } 647 648 #endif 649 650 enum { 651 PROTO_OFF = 0, 652 PROTO_SMTP, 653 PROTO_POP3, 654 PROTO_IMAP, 655 PROTO_FTP, 656 PROTO_XMPP 657 }; 658 659 int MAIN(int, char **); 660 661 int MAIN(int argc, char **argv) 662 { 663 int build_chain = 0; 664 SSL *con = NULL; 665 #ifndef OPENSSL_NO_KRB5 666 KSSL_CTX *kctx; 667 #endif 668 int s, k, width, state = 0; 669 char *cbuf = NULL, *sbuf = NULL, *mbuf = NULL; 670 int cbuf_len, cbuf_off; 671 int sbuf_len, sbuf_off; 672 fd_set readfds, writefds; 673 short port = PORT; 674 int full_log = 1; 675 char *host = SSL_HOST_NAME; 676 char *cert_file = NULL, *key_file = NULL, *chain_file = NULL; 677 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 678 char *passarg = NULL, *pass = NULL; 679 X509 *cert = NULL; 680 EVP_PKEY *key = NULL; 681 STACK_OF(X509) *chain = NULL; 682 char *CApath = NULL, *CAfile = NULL; 683 char *chCApath = NULL, *chCAfile = NULL; 684 char *vfyCApath = NULL, *vfyCAfile = NULL; 685 int reconnect = 0, badop = 0, verify = SSL_VERIFY_NONE; 686 int crlf = 0; 687 int write_tty, read_tty, write_ssl, read_ssl, tty_on, ssl_pending; 688 SSL_CTX *ctx = NULL; 689 int ret = 1, in_init = 1, i, nbio_test = 0; 690 int starttls_proto = PROTO_OFF; 691 int prexit = 0; 692 X509_VERIFY_PARAM *vpm = NULL; 693 int badarg = 0; 694 const SSL_METHOD *meth = NULL; 695 int socket_type = SOCK_STREAM; 696 BIO *sbio; 697 char *inrand = NULL; 698 int mbuf_len = 0; 699 struct timeval timeout, *timeoutp; 700 #ifndef OPENSSL_NO_ENGINE 701 char *engine_id = NULL; 702 char *ssl_client_engine_id = NULL; 703 ENGINE *ssl_client_engine = NULL; 704 #endif 705 ENGINE *e = NULL; 706 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 707 struct timeval tv; 708 # if defined(OPENSSL_SYS_BEOS_R5) 709 int stdin_set = 0; 710 # endif 711 #endif 712 #ifndef OPENSSL_NO_TLSEXT 713 char *servername = NULL; 714 tlsextctx tlsextcbp = { NULL, 0 }; 715 # ifndef OPENSSL_NO_NEXTPROTONEG 716 const char *next_proto_neg_in = NULL; 717 # endif 718 const char *alpn_in = NULL; 719 # define MAX_SI_TYPES 100 720 unsigned short serverinfo_types[MAX_SI_TYPES]; 721 int serverinfo_types_count = 0; 722 #endif 723 char *sess_in = NULL; 724 char *sess_out = NULL; 725 struct sockaddr peer; 726 int peerlen = sizeof(peer); 727 int fallback_scsv = 0; 728 int enable_timeouts = 0; 729 long socket_mtu = 0; 730 #ifndef OPENSSL_NO_JPAKE 731 static char *jpake_secret = NULL; 732 # define no_jpake !jpake_secret 733 #else 734 # define no_jpake 1 735 #endif 736 #ifndef OPENSSL_NO_SRP 737 char *srppass = NULL; 738 int srp_lateuser = 0; 739 SRP_ARG srp_arg = { NULL, NULL, 0, 0, 0, 1024 }; 740 #endif 741 SSL_EXCERT *exc = NULL; 742 743 SSL_CONF_CTX *cctx = NULL; 744 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 745 746 char *crl_file = NULL; 747 int crl_format = FORMAT_PEM; 748 int crl_download = 0; 749 STACK_OF(X509_CRL) *crls = NULL; 750 751 meth = SSLv23_client_method(); 752 753 apps_startup(); 754 c_Pause = 0; 755 c_quiet = 0; 756 c_ign_eof = 0; 757 c_debug = 0; 758 c_msg = 0; 759 c_showcerts = 0; 760 761 if (bio_err == NULL) 762 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 763 764 if (!load_config(bio_err, NULL)) 765 goto end; 766 767 cctx = SSL_CONF_CTX_new(); 768 if (!cctx) 769 goto end; 770 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CLIENT); 771 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 772 773 if (((cbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || 774 ((sbuf = OPENSSL_malloc(BUFSIZZ)) == NULL) || 775 ((mbuf = OPENSSL_malloc(BUFSIZZ)) == NULL)) { 776 BIO_printf(bio_err, "out of memory\n"); 777 goto end; 778 } 779 780 verify_depth = 0; 781 verify_error = X509_V_OK; 782 #ifdef FIONBIO 783 c_nbio = 0; 784 #endif 785 786 argc--; 787 argv++; 788 while (argc >= 1) { 789 if (strcmp(*argv, "-host") == 0) { 790 if (--argc < 1) 791 goto bad; 792 host = *(++argv); 793 } else if (strcmp(*argv, "-port") == 0) { 794 if (--argc < 1) 795 goto bad; 796 port = atoi(*(++argv)); 797 if (port == 0) 798 goto bad; 799 } else if (strcmp(*argv, "-connect") == 0) { 800 if (--argc < 1) 801 goto bad; 802 if (!extract_host_port(*(++argv), &host, NULL, &port)) 803 goto bad; 804 } else if (strcmp(*argv, "-verify") == 0) { 805 verify = SSL_VERIFY_PEER; 806 if (--argc < 1) 807 goto bad; 808 verify_depth = atoi(*(++argv)); 809 if (!c_quiet) 810 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 811 } else if (strcmp(*argv, "-cert") == 0) { 812 if (--argc < 1) 813 goto bad; 814 cert_file = *(++argv); 815 } else if (strcmp(*argv, "-CRL") == 0) { 816 if (--argc < 1) 817 goto bad; 818 crl_file = *(++argv); 819 } else if (strcmp(*argv, "-crl_download") == 0) 820 crl_download = 1; 821 else if (strcmp(*argv, "-sess_out") == 0) { 822 if (--argc < 1) 823 goto bad; 824 sess_out = *(++argv); 825 } else if (strcmp(*argv, "-sess_in") == 0) { 826 if (--argc < 1) 827 goto bad; 828 sess_in = *(++argv); 829 } else if (strcmp(*argv, "-certform") == 0) { 830 if (--argc < 1) 831 goto bad; 832 cert_format = str2fmt(*(++argv)); 833 } else if (strcmp(*argv, "-CRLform") == 0) { 834 if (--argc < 1) 835 goto bad; 836 crl_format = str2fmt(*(++argv)); 837 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 838 if (badarg) 839 goto bad; 840 continue; 841 } else if (strcmp(*argv, "-verify_return_error") == 0) 842 verify_return_error = 1; 843 else if (strcmp(*argv, "-verify_quiet") == 0) 844 verify_quiet = 1; 845 else if (strcmp(*argv, "-brief") == 0) { 846 c_brief = 1; 847 verify_quiet = 1; 848 c_quiet = 1; 849 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 850 if (badarg) 851 goto bad; 852 continue; 853 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) { 854 if (badarg) 855 goto bad; 856 continue; 857 } else if (strcmp(*argv, "-prexit") == 0) 858 prexit = 1; 859 else if (strcmp(*argv, "-crlf") == 0) 860 crlf = 1; 861 else if (strcmp(*argv, "-quiet") == 0) { 862 c_quiet = 1; 863 c_ign_eof = 1; 864 } else if (strcmp(*argv, "-ign_eof") == 0) 865 c_ign_eof = 1; 866 else if (strcmp(*argv, "-no_ign_eof") == 0) 867 c_ign_eof = 0; 868 else if (strcmp(*argv, "-pause") == 0) 869 c_Pause = 1; 870 else if (strcmp(*argv, "-debug") == 0) 871 c_debug = 1; 872 #ifndef OPENSSL_NO_TLSEXT 873 else if (strcmp(*argv, "-tlsextdebug") == 0) 874 c_tlsextdebug = 1; 875 else if (strcmp(*argv, "-status") == 0) 876 c_status_req = 1; 877 #endif 878 #ifdef WATT32 879 else if (strcmp(*argv, "-wdebug") == 0) 880 dbug_init(); 881 #endif 882 else if (strcmp(*argv, "-msg") == 0) 883 c_msg = 1; 884 else if (strcmp(*argv, "-msgfile") == 0) { 885 if (--argc < 1) 886 goto bad; 887 bio_c_msg = BIO_new_file(*(++argv), "w"); 888 } 889 #ifndef OPENSSL_NO_SSL_TRACE 890 else if (strcmp(*argv, "-trace") == 0) 891 c_msg = 2; 892 #endif 893 else if (strcmp(*argv, "-showcerts") == 0) 894 c_showcerts = 1; 895 else if (strcmp(*argv, "-nbio_test") == 0) 896 nbio_test = 1; 897 else if (strcmp(*argv, "-state") == 0) 898 state = 1; 899 #ifndef OPENSSL_NO_PSK 900 else if (strcmp(*argv, "-psk_identity") == 0) { 901 if (--argc < 1) 902 goto bad; 903 psk_identity = *(++argv); 904 } else if (strcmp(*argv, "-psk") == 0) { 905 size_t j; 906 907 if (--argc < 1) 908 goto bad; 909 psk_key = *(++argv); 910 for (j = 0; j < strlen(psk_key); j++) { 911 if (isxdigit((unsigned char)psk_key[j])) 912 continue; 913 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 914 goto bad; 915 } 916 } 917 #endif 918 #ifndef OPENSSL_NO_SRP 919 else if (strcmp(*argv, "-srpuser") == 0) { 920 if (--argc < 1) 921 goto bad; 922 srp_arg.srplogin = *(++argv); 923 meth = TLSv1_client_method(); 924 } else if (strcmp(*argv, "-srppass") == 0) { 925 if (--argc < 1) 926 goto bad; 927 srppass = *(++argv); 928 meth = TLSv1_client_method(); 929 } else if (strcmp(*argv, "-srp_strength") == 0) { 930 if (--argc < 1) 931 goto bad; 932 srp_arg.strength = atoi(*(++argv)); 933 BIO_printf(bio_err, "SRP minimal length for N is %d\n", 934 srp_arg.strength); 935 meth = TLSv1_client_method(); 936 } else if (strcmp(*argv, "-srp_lateuser") == 0) { 937 srp_lateuser = 1; 938 meth = TLSv1_client_method(); 939 } else if (strcmp(*argv, "-srp_moregroups") == 0) { 940 srp_arg.amp = 1; 941 meth = TLSv1_client_method(); 942 } 943 #endif 944 #ifndef OPENSSL_NO_SSL2 945 else if (strcmp(*argv, "-ssl2") == 0) 946 meth = SSLv2_client_method(); 947 #endif 948 #ifndef OPENSSL_NO_SSL3_METHOD 949 else if (strcmp(*argv, "-ssl3") == 0) 950 meth = SSLv3_client_method(); 951 #endif 952 #ifndef OPENSSL_NO_TLS1 953 else if (strcmp(*argv, "-tls1_2") == 0) 954 meth = TLSv1_2_client_method(); 955 else if (strcmp(*argv, "-tls1_1") == 0) 956 meth = TLSv1_1_client_method(); 957 else if (strcmp(*argv, "-tls1") == 0) 958 meth = TLSv1_client_method(); 959 #endif 960 #ifndef OPENSSL_NO_DTLS1 961 else if (strcmp(*argv, "-dtls") == 0) { 962 meth = DTLS_client_method(); 963 socket_type = SOCK_DGRAM; 964 } else if (strcmp(*argv, "-dtls1") == 0) { 965 meth = DTLSv1_client_method(); 966 socket_type = SOCK_DGRAM; 967 } else if (strcmp(*argv, "-dtls1_2") == 0) { 968 meth = DTLSv1_2_client_method(); 969 socket_type = SOCK_DGRAM; 970 } else if (strcmp(*argv, "-timeout") == 0) 971 enable_timeouts = 1; 972 else if (strcmp(*argv, "-mtu") == 0) { 973 if (--argc < 1) 974 goto bad; 975 socket_mtu = atol(*(++argv)); 976 } 977 #endif 978 else if (strcmp(*argv, "-fallback_scsv") == 0) { 979 fallback_scsv = 1; 980 } else if (strcmp(*argv, "-keyform") == 0) { 981 if (--argc < 1) 982 goto bad; 983 key_format = str2fmt(*(++argv)); 984 } else if (strcmp(*argv, "-pass") == 0) { 985 if (--argc < 1) 986 goto bad; 987 passarg = *(++argv); 988 } else if (strcmp(*argv, "-cert_chain") == 0) { 989 if (--argc < 1) 990 goto bad; 991 chain_file = *(++argv); 992 } else if (strcmp(*argv, "-key") == 0) { 993 if (--argc < 1) 994 goto bad; 995 key_file = *(++argv); 996 } else if (strcmp(*argv, "-reconnect") == 0) { 997 reconnect = 5; 998 } else if (strcmp(*argv, "-CApath") == 0) { 999 if (--argc < 1) 1000 goto bad; 1001 CApath = *(++argv); 1002 } else if (strcmp(*argv, "-chainCApath") == 0) { 1003 if (--argc < 1) 1004 goto bad; 1005 chCApath = *(++argv); 1006 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1007 if (--argc < 1) 1008 goto bad; 1009 vfyCApath = *(++argv); 1010 } else if (strcmp(*argv, "-build_chain") == 0) 1011 build_chain = 1; 1012 else if (strcmp(*argv, "-CAfile") == 0) { 1013 if (--argc < 1) 1014 goto bad; 1015 CAfile = *(++argv); 1016 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1017 if (--argc < 1) 1018 goto bad; 1019 chCAfile = *(++argv); 1020 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1021 if (--argc < 1) 1022 goto bad; 1023 vfyCAfile = *(++argv); 1024 } 1025 #ifndef OPENSSL_NO_TLSEXT 1026 # ifndef OPENSSL_NO_NEXTPROTONEG 1027 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1028 if (--argc < 1) 1029 goto bad; 1030 next_proto_neg_in = *(++argv); 1031 } 1032 # endif 1033 else if (strcmp(*argv, "-alpn") == 0) { 1034 if (--argc < 1) 1035 goto bad; 1036 alpn_in = *(++argv); 1037 } else if (strcmp(*argv, "-serverinfo") == 0) { 1038 char *c; 1039 int start = 0; 1040 int len; 1041 1042 if (--argc < 1) 1043 goto bad; 1044 c = *(++argv); 1045 serverinfo_types_count = 0; 1046 len = strlen(c); 1047 for (i = 0; i <= len; ++i) { 1048 if (i == len || c[i] == ',') { 1049 serverinfo_types[serverinfo_types_count] 1050 = atoi(c + start); 1051 serverinfo_types_count++; 1052 start = i + 1; 1053 } 1054 if (serverinfo_types_count == MAX_SI_TYPES) 1055 break; 1056 } 1057 } 1058 #endif 1059 #ifdef FIONBIO 1060 else if (strcmp(*argv, "-nbio") == 0) { 1061 c_nbio = 1; 1062 } 1063 #endif 1064 else if (strcmp(*argv, "-starttls") == 0) { 1065 if (--argc < 1) 1066 goto bad; 1067 ++argv; 1068 if (strcmp(*argv, "smtp") == 0) 1069 starttls_proto = PROTO_SMTP; 1070 else if (strcmp(*argv, "pop3") == 0) 1071 starttls_proto = PROTO_POP3; 1072 else if (strcmp(*argv, "imap") == 0) 1073 starttls_proto = PROTO_IMAP; 1074 else if (strcmp(*argv, "ftp") == 0) 1075 starttls_proto = PROTO_FTP; 1076 else if (strcmp(*argv, "xmpp") == 0) 1077 starttls_proto = PROTO_XMPP; 1078 else 1079 goto bad; 1080 } 1081 #ifndef OPENSSL_NO_ENGINE 1082 else if (strcmp(*argv, "-engine") == 0) { 1083 if (--argc < 1) 1084 goto bad; 1085 engine_id = *(++argv); 1086 } else if (strcmp(*argv, "-ssl_client_engine") == 0) { 1087 if (--argc < 1) 1088 goto bad; 1089 ssl_client_engine_id = *(++argv); 1090 } 1091 #endif 1092 else if (strcmp(*argv, "-rand") == 0) { 1093 if (--argc < 1) 1094 goto bad; 1095 inrand = *(++argv); 1096 } 1097 #ifndef OPENSSL_NO_TLSEXT 1098 else if (strcmp(*argv, "-servername") == 0) { 1099 if (--argc < 1) 1100 goto bad; 1101 servername = *(++argv); 1102 /* meth=TLSv1_client_method(); */ 1103 } 1104 #endif 1105 #ifndef OPENSSL_NO_JPAKE 1106 else if (strcmp(*argv, "-jpake") == 0) { 1107 if (--argc < 1) 1108 goto bad; 1109 jpake_secret = *++argv; 1110 } 1111 #endif 1112 #ifndef OPENSSL_NO_SRTP 1113 else if (strcmp(*argv, "-use_srtp") == 0) { 1114 if (--argc < 1) 1115 goto bad; 1116 srtp_profiles = *(++argv); 1117 } 1118 #endif 1119 else if (strcmp(*argv, "-keymatexport") == 0) { 1120 if (--argc < 1) 1121 goto bad; 1122 keymatexportlabel = *(++argv); 1123 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1124 if (--argc < 1) 1125 goto bad; 1126 keymatexportlen = atoi(*(++argv)); 1127 if (keymatexportlen == 0) 1128 goto bad; 1129 } else { 1130 BIO_printf(bio_err, "unknown option %s\n", *argv); 1131 badop = 1; 1132 break; 1133 } 1134 argc--; 1135 argv++; 1136 } 1137 if (badop) { 1138 bad: 1139 sc_usage(); 1140 goto end; 1141 } 1142 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1143 if (jpake_secret) { 1144 if (psk_key) { 1145 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1146 goto end; 1147 } 1148 psk_identity = "JPAKE"; 1149 } 1150 #endif 1151 1152 OpenSSL_add_ssl_algorithms(); 1153 SSL_load_error_strings(); 1154 1155 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1156 next_proto.status = -1; 1157 if (next_proto_neg_in) { 1158 next_proto.data = 1159 next_protos_parse(&next_proto.len, next_proto_neg_in); 1160 if (next_proto.data == NULL) { 1161 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1162 goto end; 1163 } 1164 } else 1165 next_proto.data = NULL; 1166 #endif 1167 1168 #ifndef OPENSSL_NO_ENGINE 1169 e = setup_engine(bio_err, engine_id, 1); 1170 if (ssl_client_engine_id) { 1171 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1172 if (!ssl_client_engine) { 1173 BIO_printf(bio_err, "Error getting client auth engine\n"); 1174 goto end; 1175 } 1176 } 1177 #endif 1178 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) { 1179 BIO_printf(bio_err, "Error getting password\n"); 1180 goto end; 1181 } 1182 1183 if (key_file == NULL) 1184 key_file = cert_file; 1185 1186 if (key_file) { 1187 1188 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1189 "client certificate private key file"); 1190 if (!key) { 1191 ERR_print_errors(bio_err); 1192 goto end; 1193 } 1194 1195 } 1196 1197 if (cert_file) { 1198 cert = load_cert(bio_err, cert_file, cert_format, 1199 NULL, e, "client certificate file"); 1200 1201 if (!cert) { 1202 ERR_print_errors(bio_err); 1203 goto end; 1204 } 1205 } 1206 1207 if (chain_file) { 1208 chain = load_certs(bio_err, chain_file, FORMAT_PEM, 1209 NULL, e, "client certificate chain"); 1210 if (!chain) 1211 goto end; 1212 } 1213 1214 if (crl_file) { 1215 X509_CRL *crl; 1216 crl = load_crl(crl_file, crl_format); 1217 if (!crl) { 1218 BIO_puts(bio_err, "Error loading CRL\n"); 1219 ERR_print_errors(bio_err); 1220 goto end; 1221 } 1222 crls = sk_X509_CRL_new_null(); 1223 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1224 BIO_puts(bio_err, "Error adding CRL\n"); 1225 ERR_print_errors(bio_err); 1226 X509_CRL_free(crl); 1227 goto end; 1228 } 1229 } 1230 1231 if (!load_excert(&exc, bio_err)) 1232 goto end; 1233 1234 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1235 && !RAND_status()) { 1236 BIO_printf(bio_err, 1237 "warning, not much extra random data, consider using the -rand option\n"); 1238 } 1239 if (inrand != NULL) 1240 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1241 app_RAND_load_files(inrand)); 1242 1243 if (bio_c_out == NULL) { 1244 if (c_quiet && !c_debug) { 1245 bio_c_out = BIO_new(BIO_s_null()); 1246 if (c_msg && !bio_c_msg) 1247 bio_c_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1248 } else { 1249 if (bio_c_out == NULL) 1250 bio_c_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1251 } 1252 } 1253 #ifndef OPENSSL_NO_SRP 1254 if (!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) { 1255 BIO_printf(bio_err, "Error getting password\n"); 1256 goto end; 1257 } 1258 #endif 1259 1260 ctx = SSL_CTX_new(meth); 1261 if (ctx == NULL) { 1262 ERR_print_errors(bio_err); 1263 goto end; 1264 } 1265 1266 if (vpm) 1267 SSL_CTX_set1_param(ctx, vpm); 1268 1269 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, 1, no_jpake)) { 1270 ERR_print_errors(bio_err); 1271 goto end; 1272 } 1273 1274 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1275 crls, crl_download)) { 1276 BIO_printf(bio_err, "Error loading store locations\n"); 1277 ERR_print_errors(bio_err); 1278 goto end; 1279 } 1280 #ifndef OPENSSL_NO_ENGINE 1281 if (ssl_client_engine) { 1282 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) { 1283 BIO_puts(bio_err, "Error setting client auth engine\n"); 1284 ERR_print_errors(bio_err); 1285 ENGINE_free(ssl_client_engine); 1286 goto end; 1287 } 1288 ENGINE_free(ssl_client_engine); 1289 } 1290 #endif 1291 1292 #ifndef OPENSSL_NO_PSK 1293 # ifdef OPENSSL_NO_JPAKE 1294 if (psk_key != NULL) 1295 # else 1296 if (psk_key != NULL || jpake_secret) 1297 # endif 1298 { 1299 if (c_debug) 1300 BIO_printf(bio_c_out, 1301 "PSK key given or JPAKE in use, setting client callback\n"); 1302 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1303 } 1304 #endif 1305 #ifndef OPENSSL_NO_SRTP 1306 if (srtp_profiles != NULL) 1307 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1308 #endif 1309 if (exc) 1310 ssl_ctx_set_excert(ctx, exc); 1311 1312 #if !defined(OPENSSL_NO_TLSEXT) 1313 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1314 if (next_proto.data) 1315 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1316 # endif 1317 if (alpn_in) { 1318 unsigned short alpn_len; 1319 unsigned char *alpn = next_protos_parse(&alpn_len, alpn_in); 1320 1321 if (alpn == NULL) { 1322 BIO_printf(bio_err, "Error parsing -alpn argument\n"); 1323 goto end; 1324 } 1325 SSL_CTX_set_alpn_protos(ctx, alpn, alpn_len); 1326 OPENSSL_free(alpn); 1327 } 1328 #endif 1329 #ifndef OPENSSL_NO_TLSEXT 1330 for (i = 0; i < serverinfo_types_count; i++) { 1331 SSL_CTX_add_client_custom_ext(ctx, 1332 serverinfo_types[i], 1333 NULL, NULL, NULL, 1334 serverinfo_cli_parse_cb, NULL); 1335 } 1336 #endif 1337 1338 if (state) 1339 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1340 #if 0 1341 else 1342 SSL_CTX_set_cipher_list(ctx, getenv("SSL_CIPHER")); 1343 #endif 1344 1345 SSL_CTX_set_verify(ctx, verify, verify_callback); 1346 1347 if ((CAfile || CApath) 1348 && !SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) { 1349 ERR_print_errors(bio_err); 1350 } 1351 if (!SSL_CTX_set_default_verify_paths(ctx)) { 1352 ERR_print_errors(bio_err); 1353 } 1354 1355 ssl_ctx_add_crls(ctx, crls, crl_download); 1356 if (!set_cert_key_stuff(ctx, cert, key, chain, build_chain)) 1357 goto end; 1358 1359 #ifndef OPENSSL_NO_TLSEXT 1360 if (servername != NULL) { 1361 tlsextcbp.biodebug = bio_err; 1362 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1363 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1364 } 1365 # ifndef OPENSSL_NO_SRP 1366 if (srp_arg.srplogin) { 1367 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) { 1368 BIO_printf(bio_err, "Unable to set SRP username\n"); 1369 goto end; 1370 } 1371 srp_arg.msg = c_msg; 1372 srp_arg.debug = c_debug; 1373 SSL_CTX_set_srp_cb_arg(ctx, &srp_arg); 1374 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1375 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1376 if (c_msg || c_debug || srp_arg.amp == 0) 1377 SSL_CTX_set_srp_verify_param_callback(ctx, 1378 ssl_srp_verify_param_cb); 1379 } 1380 # endif 1381 #endif 1382 1383 con = SSL_new(ctx); 1384 if (sess_in) { 1385 SSL_SESSION *sess; 1386 BIO *stmp = BIO_new_file(sess_in, "r"); 1387 if (!stmp) { 1388 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1389 ERR_print_errors(bio_err); 1390 goto end; 1391 } 1392 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1393 BIO_free(stmp); 1394 if (!sess) { 1395 BIO_printf(bio_err, "Can't open session file %s\n", sess_in); 1396 ERR_print_errors(bio_err); 1397 goto end; 1398 } 1399 SSL_set_session(con, sess); 1400 SSL_SESSION_free(sess); 1401 } 1402 1403 if (fallback_scsv) 1404 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1405 1406 #ifndef OPENSSL_NO_TLSEXT 1407 if (servername != NULL) { 1408 if (!SSL_set_tlsext_host_name(con, servername)) { 1409 BIO_printf(bio_err, "Unable to set TLS servername extension.\n"); 1410 ERR_print_errors(bio_err); 1411 goto end; 1412 } 1413 } 1414 #endif 1415 #ifndef OPENSSL_NO_KRB5 1416 if (con && (kctx = kssl_ctx_new()) != NULL) { 1417 SSL_set0_kssl_ctx(con, kctx); 1418 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1419 } 1420 #endif /* OPENSSL_NO_KRB5 */ 1421 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1422 #if 0 1423 # ifdef TLSEXT_TYPE_opaque_prf_input 1424 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1425 # endif 1426 #endif 1427 1428 re_start: 1429 1430 if (init_client(&s, host, port, socket_type) == 0) { 1431 BIO_printf(bio_err, "connect:errno=%d\n", get_last_socket_error()); 1432 SHUTDOWN(s); 1433 goto end; 1434 } 1435 BIO_printf(bio_c_out, "CONNECTED(%08X)\n", s); 1436 1437 #ifdef FIONBIO 1438 if (c_nbio) { 1439 unsigned long l = 1; 1440 BIO_printf(bio_c_out, "turning on non blocking io\n"); 1441 if (BIO_socket_ioctl(s, FIONBIO, &l) < 0) { 1442 ERR_print_errors(bio_err); 1443 goto end; 1444 } 1445 } 1446 #endif 1447 if (c_Pause & 0x01) 1448 SSL_set_debug(con, 1); 1449 1450 if (socket_type == SOCK_DGRAM) { 1451 1452 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 1453 if (getsockname(s, &peer, (void *)&peerlen) < 0) { 1454 BIO_printf(bio_err, "getsockname:errno=%d\n", 1455 get_last_socket_error()); 1456 SHUTDOWN(s); 1457 goto end; 1458 } 1459 1460 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1461 1462 if (enable_timeouts) { 1463 timeout.tv_sec = 0; 1464 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1465 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1466 1467 timeout.tv_sec = 0; 1468 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1469 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1470 } 1471 1472 if (socket_mtu) { 1473 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 1474 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 1475 DTLS_get_link_min_mtu(con)); 1476 BIO_free(sbio); 1477 goto shut; 1478 } 1479 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1480 if (!DTLS_set_link_mtu(con, socket_mtu)) { 1481 BIO_printf(bio_err, "Failed to set MTU\n"); 1482 BIO_free(sbio); 1483 goto shut; 1484 } 1485 } else 1486 /* want to do MTU discovery */ 1487 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1488 } else 1489 sbio = BIO_new_socket(s, BIO_NOCLOSE); 1490 1491 if (nbio_test) { 1492 BIO *test; 1493 1494 test = BIO_new(BIO_f_nbio_test()); 1495 sbio = BIO_push(test, sbio); 1496 } 1497 1498 if (c_debug) { 1499 SSL_set_debug(con, 1); 1500 BIO_set_callback(sbio, bio_dump_callback); 1501 BIO_set_callback_arg(sbio, (char *)bio_c_out); 1502 } 1503 if (c_msg) { 1504 #ifndef OPENSSL_NO_SSL_TRACE 1505 if (c_msg == 2) 1506 SSL_set_msg_callback(con, SSL_trace); 1507 else 1508 #endif 1509 SSL_set_msg_callback(con, msg_cb); 1510 SSL_set_msg_callback_arg(con, bio_c_msg ? bio_c_msg : bio_c_out); 1511 } 1512 #ifndef OPENSSL_NO_TLSEXT 1513 if (c_tlsextdebug) { 1514 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1515 SSL_set_tlsext_debug_arg(con, bio_c_out); 1516 } 1517 if (c_status_req) { 1518 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1519 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1520 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1521 # if 0 1522 { 1523 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1524 OCSP_RESPID *id = OCSP_RESPID_new(); 1525 id->value.byKey = ASN1_OCTET_STRING_new(); 1526 id->type = V_OCSP_RESPID_KEY; 1527 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1528 sk_OCSP_RESPID_push(ids, id); 1529 SSL_set_tlsext_status_ids(con, ids); 1530 } 1531 # endif 1532 } 1533 #endif 1534 #ifndef OPENSSL_NO_JPAKE 1535 if (jpake_secret) 1536 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1537 #endif 1538 1539 SSL_set_bio(con, sbio, sbio); 1540 SSL_set_connect_state(con); 1541 1542 /* ok, lets connect */ 1543 width = SSL_get_fd(con) + 1; 1544 1545 read_tty = 1; 1546 write_tty = 0; 1547 tty_on = 0; 1548 read_ssl = 1; 1549 write_ssl = 1; 1550 1551 cbuf_len = 0; 1552 cbuf_off = 0; 1553 sbuf_len = 0; 1554 sbuf_off = 0; 1555 1556 /* This is an ugly hack that does a lot of assumptions */ 1557 /* 1558 * We do have to handle multi-line responses which may come in a single 1559 * packet or not. We therefore have to use BIO_gets() which does need a 1560 * buffering BIO. So during the initial chitchat we do push a buffering 1561 * BIO into the chain that is removed again later on to not disturb the 1562 * rest of the s_client operation. 1563 */ 1564 if (starttls_proto == PROTO_SMTP) { 1565 int foundit = 0; 1566 BIO *fbio = BIO_new(BIO_f_buffer()); 1567 BIO_push(fbio, sbio); 1568 /* wait for multi-line response to end from SMTP */ 1569 do { 1570 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1571 } 1572 while (mbuf_len > 3 && mbuf[3] == '-'); 1573 /* STARTTLS command requires EHLO... */ 1574 BIO_printf(fbio, "EHLO openssl.client.net\r\n"); 1575 (void)BIO_flush(fbio); 1576 /* wait for multi-line response to end EHLO SMTP response */ 1577 do { 1578 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1579 if (strstr(mbuf, "STARTTLS")) 1580 foundit = 1; 1581 } 1582 while (mbuf_len > 3 && mbuf[3] == '-'); 1583 (void)BIO_flush(fbio); 1584 BIO_pop(fbio); 1585 BIO_free(fbio); 1586 if (!foundit) 1587 BIO_printf(bio_err, 1588 "didn't found starttls in server response," 1589 " try anyway...\n"); 1590 BIO_printf(sbio, "STARTTLS\r\n"); 1591 BIO_read(sbio, sbuf, BUFSIZZ); 1592 } else if (starttls_proto == PROTO_POP3) { 1593 BIO_read(sbio, mbuf, BUFSIZZ); 1594 BIO_printf(sbio, "STLS\r\n"); 1595 BIO_read(sbio, sbuf, BUFSIZZ); 1596 } else if (starttls_proto == PROTO_IMAP) { 1597 int foundit = 0; 1598 BIO *fbio = BIO_new(BIO_f_buffer()); 1599 BIO_push(fbio, sbio); 1600 BIO_gets(fbio, mbuf, BUFSIZZ); 1601 /* STARTTLS command requires CAPABILITY... */ 1602 BIO_printf(fbio, ". CAPABILITY\r\n"); 1603 (void)BIO_flush(fbio); 1604 /* wait for multi-line CAPABILITY response */ 1605 do { 1606 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1607 if (strstr(mbuf, "STARTTLS")) 1608 foundit = 1; 1609 } 1610 while (mbuf_len > 3 && mbuf[0] != '.'); 1611 (void)BIO_flush(fbio); 1612 BIO_pop(fbio); 1613 BIO_free(fbio); 1614 if (!foundit) 1615 BIO_printf(bio_err, 1616 "didn't found STARTTLS in server response," 1617 " try anyway...\n"); 1618 BIO_printf(sbio, ". STARTTLS\r\n"); 1619 BIO_read(sbio, sbuf, BUFSIZZ); 1620 } else if (starttls_proto == PROTO_FTP) { 1621 BIO *fbio = BIO_new(BIO_f_buffer()); 1622 BIO_push(fbio, sbio); 1623 /* wait for multi-line response to end from FTP */ 1624 do { 1625 mbuf_len = BIO_gets(fbio, mbuf, BUFSIZZ); 1626 } 1627 while (mbuf_len > 3 && mbuf[3] == '-'); 1628 (void)BIO_flush(fbio); 1629 BIO_pop(fbio); 1630 BIO_free(fbio); 1631 BIO_printf(sbio, "AUTH TLS\r\n"); 1632 BIO_read(sbio, sbuf, BUFSIZZ); 1633 } 1634 if (starttls_proto == PROTO_XMPP) { 1635 int seen = 0; 1636 BIO_printf(sbio, "<stream:stream " 1637 "xmlns:stream='http://etherx.jabber.org/streams' " 1638 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1639 seen = BIO_read(sbio, mbuf, BUFSIZZ); 1640 mbuf[seen] = 0; 1641 while (!strstr 1642 (mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) { 1643 if (strstr(mbuf, "/stream:features>")) 1644 goto shut; 1645 seen = BIO_read(sbio, mbuf, BUFSIZZ); 1646 mbuf[seen] = 0; 1647 } 1648 BIO_printf(sbio, 1649 "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1650 seen = BIO_read(sbio, sbuf, BUFSIZZ); 1651 sbuf[seen] = 0; 1652 if (!strstr(sbuf, "<proceed")) 1653 goto shut; 1654 mbuf[0] = 0; 1655 } 1656 1657 for (;;) { 1658 FD_ZERO(&readfds); 1659 FD_ZERO(&writefds); 1660 1661 if ((SSL_version(con) == DTLS1_VERSION) && 1662 DTLSv1_get_timeout(con, &timeout)) 1663 timeoutp = &timeout; 1664 else 1665 timeoutp = NULL; 1666 1667 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) { 1668 in_init = 1; 1669 tty_on = 0; 1670 } else { 1671 tty_on = 1; 1672 if (in_init) { 1673 in_init = 0; 1674 #if 0 /* This test doesn't really work as intended 1675 * (needs to be fixed) */ 1676 # ifndef OPENSSL_NO_TLSEXT 1677 if (servername != NULL && !SSL_session_reused(con)) { 1678 BIO_printf(bio_c_out, 1679 "Server did %sacknowledge servername extension.\n", 1680 tlsextcbp.ack ? "" : "not "); 1681 } 1682 # endif 1683 #endif 1684 if (sess_out) { 1685 BIO *stmp = BIO_new_file(sess_out, "w"); 1686 if (stmp) { 1687 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1688 BIO_free(stmp); 1689 } else 1690 BIO_printf(bio_err, "Error writing session file %s\n", 1691 sess_out); 1692 } 1693 if (c_brief) { 1694 BIO_puts(bio_err, "CONNECTION ESTABLISHED\n"); 1695 print_ssl_summary(bio_err, con); 1696 } 1697 1698 print_stuff(bio_c_out, con, full_log); 1699 if (full_log > 0) 1700 full_log--; 1701 1702 if (starttls_proto) { 1703 BIO_printf(bio_err, "%s", mbuf); 1704 /* We don't need to know any more */ 1705 starttls_proto = PROTO_OFF; 1706 } 1707 1708 if (reconnect) { 1709 reconnect--; 1710 BIO_printf(bio_c_out, 1711 "drop connection and then reconnect\n"); 1712 SSL_shutdown(con); 1713 SSL_set_connect_state(con); 1714 SHUTDOWN(SSL_get_fd(con)); 1715 goto re_start; 1716 } 1717 } 1718 } 1719 1720 ssl_pending = read_ssl && SSL_pending(con); 1721 1722 if (!ssl_pending) { 1723 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1724 if (tty_on) { 1725 if (read_tty) 1726 openssl_fdset(fileno(stdin), &readfds); 1727 if (write_tty) 1728 openssl_fdset(fileno(stdout), &writefds); 1729 } 1730 if (read_ssl) 1731 openssl_fdset(SSL_get_fd(con), &readfds); 1732 if (write_ssl) 1733 openssl_fdset(SSL_get_fd(con), &writefds); 1734 #else 1735 if (!tty_on || !write_tty) { 1736 if (read_ssl) 1737 openssl_fdset(SSL_get_fd(con), &readfds); 1738 if (write_ssl) 1739 openssl_fdset(SSL_get_fd(con), &writefds); 1740 } 1741 #endif 1742 /*- printf("mode tty(%d %d%d) ssl(%d%d)\n", 1743 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1744 1745 /* 1746 * Note: under VMS with SOCKETSHR the second parameter is 1747 * currently of type (int *) whereas under other systems it is 1748 * (void *) if you don't have a cast it will choke the compiler: 1749 * if you do have a cast then you can either go for (int *) or 1750 * (void *). 1751 */ 1752 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1753 /* 1754 * Under Windows/DOS we make the assumption that we can always 1755 * write to the tty: therefore if we need to write to the tty we 1756 * just fall through. Otherwise we timeout the select every 1757 * second and see if there are any keypresses. Note: this is a 1758 * hack, in a proper Windows application we wouldn't do this. 1759 */ 1760 i = 0; 1761 if (!write_tty) { 1762 if (read_tty) { 1763 tv.tv_sec = 1; 1764 tv.tv_usec = 0; 1765 i = select(width, (void *)&readfds, (void *)&writefds, 1766 NULL, &tv); 1767 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1768 if (!i && (!_kbhit() || !read_tty)) 1769 continue; 1770 # else 1771 if (!i && (!((_kbhit()) 1772 || (WAIT_OBJECT_0 == 1773 WaitForSingleObject(GetStdHandle 1774 (STD_INPUT_HANDLE), 1775 0))) 1776 || !read_tty)) 1777 continue; 1778 # endif 1779 } else 1780 i = select(width, (void *)&readfds, (void *)&writefds, 1781 NULL, timeoutp); 1782 } 1783 #elif defined(OPENSSL_SYS_NETWARE) 1784 if (!write_tty) { 1785 if (read_tty) { 1786 tv.tv_sec = 1; 1787 tv.tv_usec = 0; 1788 i = select(width, (void *)&readfds, (void *)&writefds, 1789 NULL, &tv); 1790 } else 1791 i = select(width, (void *)&readfds, (void *)&writefds, 1792 NULL, timeoutp); 1793 } 1794 #elif defined(OPENSSL_SYS_BEOS_R5) 1795 /* Under BeOS-R5 the situation is similar to DOS */ 1796 i = 0; 1797 stdin_set = 0; 1798 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1799 if (!write_tty) { 1800 if (read_tty) { 1801 tv.tv_sec = 1; 1802 tv.tv_usec = 0; 1803 i = select(width, (void *)&readfds, (void *)&writefds, 1804 NULL, &tv); 1805 if (read(fileno(stdin), sbuf, 0) >= 0) 1806 stdin_set = 1; 1807 if (!i && (stdin_set != 1 || !read_tty)) 1808 continue; 1809 } else 1810 i = select(width, (void *)&readfds, (void *)&writefds, 1811 NULL, timeoutp); 1812 } 1813 (void)fcntl(fileno(stdin), F_SETFL, 0); 1814 #else 1815 i = select(width, (void *)&readfds, (void *)&writefds, 1816 NULL, timeoutp); 1817 #endif 1818 if (i < 0) { 1819 BIO_printf(bio_err, "bad select %d\n", 1820 get_last_socket_error()); 1821 goto shut; 1822 /* goto end; */ 1823 } 1824 } 1825 1826 if ((SSL_version(con) == DTLS1_VERSION) 1827 && DTLSv1_handle_timeout(con) > 0) { 1828 BIO_printf(bio_err, "TIMEOUT occured\n"); 1829 } 1830 1831 if (!ssl_pending && FD_ISSET(SSL_get_fd(con), &writefds)) { 1832 k = SSL_write(con, &(cbuf[cbuf_off]), (unsigned int)cbuf_len); 1833 switch (SSL_get_error(con, k)) { 1834 case SSL_ERROR_NONE: 1835 cbuf_off += k; 1836 cbuf_len -= k; 1837 if (k <= 0) 1838 goto end; 1839 /* we have done a write(con,NULL,0); */ 1840 if (cbuf_len <= 0) { 1841 read_tty = 1; 1842 write_ssl = 0; 1843 } else { /* if (cbuf_len > 0) */ 1844 1845 read_tty = 0; 1846 write_ssl = 1; 1847 } 1848 break; 1849 case SSL_ERROR_WANT_WRITE: 1850 BIO_printf(bio_c_out, "write W BLOCK\n"); 1851 write_ssl = 1; 1852 read_tty = 0; 1853 break; 1854 case SSL_ERROR_WANT_READ: 1855 BIO_printf(bio_c_out, "write R BLOCK\n"); 1856 write_tty = 0; 1857 read_ssl = 1; 1858 write_ssl = 0; 1859 break; 1860 case SSL_ERROR_WANT_X509_LOOKUP: 1861 BIO_printf(bio_c_out, "write X BLOCK\n"); 1862 break; 1863 case SSL_ERROR_ZERO_RETURN: 1864 if (cbuf_len != 0) { 1865 BIO_printf(bio_c_out, "shutdown\n"); 1866 ret = 0; 1867 goto shut; 1868 } else { 1869 read_tty = 1; 1870 write_ssl = 0; 1871 break; 1872 } 1873 1874 case SSL_ERROR_SYSCALL: 1875 if ((k != 0) || (cbuf_len != 0)) { 1876 BIO_printf(bio_err, "write:errno=%d\n", 1877 get_last_socket_error()); 1878 goto shut; 1879 } else { 1880 read_tty = 1; 1881 write_ssl = 0; 1882 } 1883 break; 1884 case SSL_ERROR_SSL: 1885 ERR_print_errors(bio_err); 1886 goto shut; 1887 } 1888 } 1889 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1890 /* Assume Windows/DOS/BeOS can always write */ 1891 else if (!ssl_pending && write_tty) 1892 #else 1893 else if (!ssl_pending && FD_ISSET(fileno(stdout), &writefds)) 1894 #endif 1895 { 1896 #ifdef CHARSET_EBCDIC 1897 ascii2ebcdic(&(sbuf[sbuf_off]), &(sbuf[sbuf_off]), sbuf_len); 1898 #endif 1899 i = raw_write_stdout(&(sbuf[sbuf_off]), sbuf_len); 1900 1901 if (i <= 0) { 1902 BIO_printf(bio_c_out, "DONE\n"); 1903 ret = 0; 1904 goto shut; 1905 /* goto end; */ 1906 } 1907 1908 sbuf_len -= i;; 1909 sbuf_off += i; 1910 if (sbuf_len <= 0) { 1911 read_ssl = 1; 1912 write_tty = 0; 1913 } 1914 } else if (ssl_pending || FD_ISSET(SSL_get_fd(con), &readfds)) { 1915 #ifdef RENEG 1916 { 1917 static int iiii; 1918 if (++iiii == 52) { 1919 SSL_renegotiate(con); 1920 iiii = 0; 1921 } 1922 } 1923 #endif 1924 #if 1 1925 k = SSL_read(con, sbuf, 1024 /* BUFSIZZ */ ); 1926 #else 1927 /* Demo for pending and peek :-) */ 1928 k = SSL_read(con, sbuf, 16); 1929 { 1930 char zbuf[10240]; 1931 printf("read=%d pending=%d peek=%d\n", k, SSL_pending(con), 1932 SSL_peek(con, zbuf, 10240)); 1933 } 1934 #endif 1935 1936 switch (SSL_get_error(con, k)) { 1937 case SSL_ERROR_NONE: 1938 if (k <= 0) 1939 goto end; 1940 sbuf_off = 0; 1941 sbuf_len = k; 1942 1943 read_ssl = 0; 1944 write_tty = 1; 1945 break; 1946 case SSL_ERROR_WANT_WRITE: 1947 BIO_printf(bio_c_out, "read W BLOCK\n"); 1948 write_ssl = 1; 1949 read_tty = 0; 1950 break; 1951 case SSL_ERROR_WANT_READ: 1952 BIO_printf(bio_c_out, "read R BLOCK\n"); 1953 write_tty = 0; 1954 read_ssl = 1; 1955 if ((read_tty == 0) && (write_ssl == 0)) 1956 write_ssl = 1; 1957 break; 1958 case SSL_ERROR_WANT_X509_LOOKUP: 1959 BIO_printf(bio_c_out, "read X BLOCK\n"); 1960 break; 1961 case SSL_ERROR_SYSCALL: 1962 ret = get_last_socket_error(); 1963 if (c_brief) 1964 BIO_puts(bio_err, "CONNECTION CLOSED BY SERVER\n"); 1965 else 1966 BIO_printf(bio_err, "read:errno=%d\n", ret); 1967 goto shut; 1968 case SSL_ERROR_ZERO_RETURN: 1969 BIO_printf(bio_c_out, "closed\n"); 1970 ret = 0; 1971 goto shut; 1972 case SSL_ERROR_SSL: 1973 ERR_print_errors(bio_err); 1974 goto shut; 1975 /* break; */ 1976 } 1977 } 1978 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1979 # if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1980 else if (_kbhit()) 1981 # else 1982 else if ((_kbhit()) 1983 || (WAIT_OBJECT_0 == 1984 WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1985 # endif 1986 #elif defined (OPENSSL_SYS_NETWARE) 1987 else if (_kbhit()) 1988 #elif defined(OPENSSL_SYS_BEOS_R5) 1989 else if (stdin_set) 1990 #else 1991 else if (FD_ISSET(fileno(stdin), &readfds)) 1992 #endif 1993 { 1994 if (crlf) { 1995 int j, lf_num; 1996 1997 i = raw_read_stdin(cbuf, BUFSIZZ / 2); 1998 lf_num = 0; 1999 /* both loops are skipped when i <= 0 */ 2000 for (j = 0; j < i; j++) 2001 if (cbuf[j] == '\n') 2002 lf_num++; 2003 for (j = i - 1; j >= 0; j--) { 2004 cbuf[j + lf_num] = cbuf[j]; 2005 if (cbuf[j] == '\n') { 2006 lf_num--; 2007 i++; 2008 cbuf[j + lf_num] = '\r'; 2009 } 2010 } 2011 assert(lf_num == 0); 2012 } else 2013 i = raw_read_stdin(cbuf, BUFSIZZ); 2014 2015 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) { 2016 BIO_printf(bio_err, "DONE\n"); 2017 ret = 0; 2018 goto shut; 2019 } 2020 2021 if ((!c_ign_eof) && (cbuf[0] == 'R')) { 2022 BIO_printf(bio_err, "RENEGOTIATING\n"); 2023 SSL_renegotiate(con); 2024 cbuf_len = 0; 2025 } 2026 #ifndef OPENSSL_NO_HEARTBEATS 2027 else if ((!c_ign_eof) && (cbuf[0] == 'B')) { 2028 BIO_printf(bio_err, "HEARTBEATING\n"); 2029 SSL_heartbeat(con); 2030 cbuf_len = 0; 2031 } 2032 #endif 2033 else { 2034 cbuf_len = i; 2035 cbuf_off = 0; 2036 #ifdef CHARSET_EBCDIC 2037 ebcdic2ascii(cbuf, cbuf, i); 2038 #endif 2039 } 2040 2041 write_ssl = 1; 2042 read_tty = 0; 2043 } 2044 } 2045 2046 ret = 0; 2047 shut: 2048 if (in_init) 2049 print_stuff(bio_c_out, con, full_log); 2050 SSL_shutdown(con); 2051 SHUTDOWN(SSL_get_fd(con)); 2052 end: 2053 if (con != NULL) { 2054 if (prexit != 0) 2055 print_stuff(bio_c_out, con, 1); 2056 SSL_free(con); 2057 } 2058 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2059 if (next_proto.data) 2060 OPENSSL_free(next_proto.data); 2061 #endif 2062 if (ctx != NULL) 2063 SSL_CTX_free(ctx); 2064 if (cert) 2065 X509_free(cert); 2066 if (crls) 2067 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2068 if (key) 2069 EVP_PKEY_free(key); 2070 if (chain) 2071 sk_X509_pop_free(chain, X509_free); 2072 if (pass) 2073 OPENSSL_free(pass); 2074 #ifndef OPENSSL_NO_SRP 2075 OPENSSL_free(srp_arg.srppassin); 2076 #endif 2077 if (vpm) 2078 X509_VERIFY_PARAM_free(vpm); 2079 ssl_excert_free(exc); 2080 if (ssl_args) 2081 sk_OPENSSL_STRING_free(ssl_args); 2082 if (cctx) 2083 SSL_CONF_CTX_free(cctx); 2084 #ifndef OPENSSL_NO_JPAKE 2085 if (jpake_secret && psk_key) 2086 OPENSSL_free(psk_key); 2087 #endif 2088 if (cbuf != NULL) { 2089 OPENSSL_cleanse(cbuf, BUFSIZZ); 2090 OPENSSL_free(cbuf); 2091 } 2092 if (sbuf != NULL) { 2093 OPENSSL_cleanse(sbuf, BUFSIZZ); 2094 OPENSSL_free(sbuf); 2095 } 2096 if (mbuf != NULL) { 2097 OPENSSL_cleanse(mbuf, BUFSIZZ); 2098 OPENSSL_free(mbuf); 2099 } 2100 if (bio_c_out != NULL) { 2101 BIO_free(bio_c_out); 2102 bio_c_out = NULL; 2103 } 2104 if (bio_c_msg != NULL) { 2105 BIO_free(bio_c_msg); 2106 bio_c_msg = NULL; 2107 } 2108 apps_shutdown(); 2109 OPENSSL_EXIT(ret); 2110 } 2111 2112 static void print_stuff(BIO *bio, SSL *s, int full) 2113 { 2114 X509 *peer = NULL; 2115 char *p; 2116 static const char *space = " "; 2117 char buf[BUFSIZ]; 2118 STACK_OF(X509) *sk; 2119 STACK_OF(X509_NAME) *sk2; 2120 const SSL_CIPHER *c; 2121 X509_NAME *xn; 2122 int j, i; 2123 #ifndef OPENSSL_NO_COMP 2124 const COMP_METHOD *comp, *expansion; 2125 #endif 2126 unsigned char *exportedkeymat; 2127 2128 if (full) { 2129 int got_a_chain = 0; 2130 2131 sk = SSL_get_peer_cert_chain(s); 2132 if (sk != NULL) { 2133 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 2134 2135 BIO_printf(bio, "---\nCertificate chain\n"); 2136 for (i = 0; i < sk_X509_num(sk); i++) { 2137 X509_NAME_oneline(X509_get_subject_name(sk_X509_value(sk, i)), 2138 buf, sizeof buf); 2139 BIO_printf(bio, "%2d s:%s\n", i, buf); 2140 X509_NAME_oneline(X509_get_issuer_name(sk_X509_value(sk, i)), 2141 buf, sizeof buf); 2142 BIO_printf(bio, " i:%s\n", buf); 2143 if (c_showcerts) 2144 PEM_write_bio_X509(bio, sk_X509_value(sk, i)); 2145 } 2146 } 2147 2148 BIO_printf(bio, "---\n"); 2149 peer = SSL_get_peer_certificate(s); 2150 if (peer != NULL) { 2151 BIO_printf(bio, "Server certificate\n"); 2152 2153 /* Redundant if we showed the whole chain */ 2154 if (!(c_showcerts && got_a_chain)) 2155 PEM_write_bio_X509(bio, peer); 2156 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2157 BIO_printf(bio, "subject=%s\n", buf); 2158 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2159 BIO_printf(bio, "issuer=%s\n", buf); 2160 } else 2161 BIO_printf(bio, "no peer certificate available\n"); 2162 2163 sk2 = SSL_get_client_CA_list(s); 2164 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) { 2165 BIO_printf(bio, "---\nAcceptable client certificate CA names\n"); 2166 for (i = 0; i < sk_X509_NAME_num(sk2); i++) { 2167 xn = sk_X509_NAME_value(sk2, i); 2168 X509_NAME_oneline(xn, buf, sizeof(buf)); 2169 BIO_write(bio, buf, strlen(buf)); 2170 BIO_write(bio, "\n", 1); 2171 } 2172 } else { 2173 BIO_printf(bio, "---\nNo client certificate CA names sent\n"); 2174 } 2175 p = SSL_get_shared_ciphers(s, buf, sizeof buf); 2176 if (p != NULL) { 2177 /* 2178 * This works only for SSL 2. In later protocol versions, the 2179 * client does not know what other ciphers (in addition to the 2180 * one to be used in the current connection) the server supports. 2181 */ 2182 2183 BIO_printf(bio, 2184 "---\nCiphers common between both SSL endpoints:\n"); 2185 j = i = 0; 2186 while (*p) { 2187 if (*p == ':') { 2188 BIO_write(bio, space, 15 - j % 25); 2189 i++; 2190 j = 0; 2191 BIO_write(bio, ((i % 3) ? " " : "\n"), 1); 2192 } else { 2193 BIO_write(bio, p, 1); 2194 j++; 2195 } 2196 p++; 2197 } 2198 BIO_write(bio, "\n", 1); 2199 } 2200 2201 ssl_print_sigalgs(bio, s); 2202 ssl_print_tmp_key(bio, s); 2203 2204 BIO_printf(bio, 2205 "---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2206 BIO_number_read(SSL_get_rbio(s)), 2207 BIO_number_written(SSL_get_wbio(s))); 2208 } 2209 BIO_printf(bio, (SSL_cache_hit(s) ? "---\nReused, " : "---\nNew, ")); 2210 c = SSL_get_current_cipher(s); 2211 BIO_printf(bio, "%s, Cipher is %s\n", 2212 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2213 if (peer != NULL) { 2214 EVP_PKEY *pktmp; 2215 pktmp = X509_get_pubkey(peer); 2216 BIO_printf(bio, "Server public key is %d bit\n", 2217 EVP_PKEY_bits(pktmp)); 2218 EVP_PKEY_free(pktmp); 2219 } 2220 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2221 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2222 #ifndef OPENSSL_NO_COMP 2223 comp = SSL_get_current_compression(s); 2224 expansion = SSL_get_current_expansion(s); 2225 BIO_printf(bio, "Compression: %s\n", 2226 comp ? SSL_COMP_get_name(comp) : "NONE"); 2227 BIO_printf(bio, "Expansion: %s\n", 2228 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2229 #endif 2230 2231 #ifdef SSL_DEBUG 2232 { 2233 /* Print out local port of connection: useful for debugging */ 2234 int sock; 2235 struct sockaddr_in ladd; 2236 socklen_t ladd_size = sizeof(ladd); 2237 sock = SSL_get_fd(s); 2238 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2239 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2240 } 2241 #endif 2242 2243 #if !defined(OPENSSL_NO_TLSEXT) 2244 # if !defined(OPENSSL_NO_NEXTPROTONEG) 2245 if (next_proto.status != -1) { 2246 const unsigned char *proto; 2247 unsigned int proto_len; 2248 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2249 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2250 BIO_write(bio, proto, proto_len); 2251 BIO_write(bio, "\n", 1); 2252 } 2253 # endif 2254 { 2255 const unsigned char *proto; 2256 unsigned int proto_len; 2257 SSL_get0_alpn_selected(s, &proto, &proto_len); 2258 if (proto_len > 0) { 2259 BIO_printf(bio, "ALPN protocol: "); 2260 BIO_write(bio, proto, proto_len); 2261 BIO_write(bio, "\n", 1); 2262 } else 2263 BIO_printf(bio, "No ALPN negotiated\n"); 2264 } 2265 #endif 2266 2267 #ifndef OPENSSL_NO_SRTP 2268 { 2269 SRTP_PROTECTION_PROFILE *srtp_profile = 2270 SSL_get_selected_srtp_profile(s); 2271 2272 if (srtp_profile) 2273 BIO_printf(bio, "SRTP Extension negotiated, profile=%s\n", 2274 srtp_profile->name); 2275 } 2276 #endif 2277 2278 SSL_SESSION_print(bio, SSL_get_session(s)); 2279 if (keymatexportlabel != NULL) { 2280 BIO_printf(bio, "Keying material exporter:\n"); 2281 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2282 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2283 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2284 if (exportedkeymat != NULL) { 2285 if (!SSL_export_keying_material(s, exportedkeymat, 2286 keymatexportlen, 2287 keymatexportlabel, 2288 strlen(keymatexportlabel), 2289 NULL, 0, 0)) { 2290 BIO_printf(bio, " Error\n"); 2291 } else { 2292 BIO_printf(bio, " Keying material: "); 2293 for (i = 0; i < keymatexportlen; i++) 2294 BIO_printf(bio, "%02X", exportedkeymat[i]); 2295 BIO_printf(bio, "\n"); 2296 } 2297 OPENSSL_free(exportedkeymat); 2298 } 2299 } 2300 BIO_printf(bio, "---\n"); 2301 if (peer != NULL) 2302 X509_free(peer); 2303 /* flush, or debugging output gets mixed with http response */ 2304 (void)BIO_flush(bio); 2305 } 2306 2307 #ifndef OPENSSL_NO_TLSEXT 2308 2309 static int ocsp_resp_cb(SSL *s, void *arg) 2310 { 2311 const unsigned char *p; 2312 int len; 2313 OCSP_RESPONSE *rsp; 2314 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2315 BIO_puts(arg, "OCSP response: "); 2316 if (!p) { 2317 BIO_puts(arg, "no response sent\n"); 2318 return 1; 2319 } 2320 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2321 if (!rsp) { 2322 BIO_puts(arg, "response parse error\n"); 2323 BIO_dump_indent(arg, (char *)p, len, 4); 2324 return 0; 2325 } 2326 BIO_puts(arg, "\n======================================\n"); 2327 OCSP_RESPONSE_print(arg, rsp, 0); 2328 BIO_puts(arg, "======================================\n"); 2329 OCSP_RESPONSE_free(rsp); 2330 return 1; 2331 } 2332 2333 #endif 2334