s_client.c revision 273399
1/* apps/s_client.c */ 2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58/* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111/* ==================================================================== 112 * Copyright 2005 Nokia. All rights reserved. 113 * 114 * The portions of the attached software ("Contribution") is developed by 115 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 116 * license. 117 * 118 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 119 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 120 * support (see RFC 4279) to OpenSSL. 121 * 122 * No patent licenses or other rights except those expressly stated in 123 * the OpenSSL open source license shall be deemed granted or received 124 * expressly, by implication, estoppel, or otherwise. 125 * 126 * No assurances are provided by Nokia that the Contribution does not 127 * infringe the patent or other intellectual property rights of any third 128 * party or that the license provides you with all the necessary rights 129 * to make use of the Contribution. 130 * 131 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 132 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 133 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 134 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 135 * OTHERWISE. 136 */ 137 138#include <assert.h> 139#include <ctype.h> 140#include <stdio.h> 141#include <stdlib.h> 142#include <string.h> 143#include <openssl/e_os2.h> 144#ifdef OPENSSL_NO_STDIO 145#define APPS_WIN16 146#endif 147 148/* With IPv6, it looks like Digital has mixed up the proper order of 149 recursive header file inclusion, resulting in the compiler complaining 150 that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which 151 is needed to have fileno() declared correctly... So let's define u_int */ 152#if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 153#define __U_INT 154typedef unsigned int u_int; 155#endif 156 157#define USE_SOCKETS 158#include "apps.h" 159#include <openssl/x509.h> 160#include <openssl/ssl.h> 161#include <openssl/err.h> 162#include <openssl/pem.h> 163#include <openssl/rand.h> 164#include <openssl/ocsp.h> 165#include <openssl/bn.h> 166#ifndef OPENSSL_NO_SRP 167#include <openssl/srp.h> 168#endif 169#include "s_apps.h" 170#include "timeouts.h" 171 172#if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 173/* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 174#undef FIONBIO 175#endif 176 177#if defined(OPENSSL_SYS_BEOS_R5) 178#include <fcntl.h> 179#endif 180 181#undef PROG 182#define PROG s_client_main 183 184/*#define SSL_HOST_NAME "www.netscape.com" */ 185/*#define SSL_HOST_NAME "193.118.187.102" */ 186#define SSL_HOST_NAME "localhost" 187 188/*#define TEST_CERT "client.pem" */ /* no default cert. */ 189 190#undef BUFSIZZ 191#define BUFSIZZ 1024*8 192 193extern int verify_depth; 194extern int verify_error; 195extern int verify_return_error; 196 197#ifdef FIONBIO 198static int c_nbio=0; 199#endif 200static int c_Pause=0; 201static int c_debug=0; 202#ifndef OPENSSL_NO_TLSEXT 203static int c_tlsextdebug=0; 204static int c_status_req=0; 205#endif 206static int c_msg=0; 207static int c_showcerts=0; 208 209static char *keymatexportlabel=NULL; 210static int keymatexportlen=20; 211 212static void sc_usage(void); 213static void print_stuff(BIO *berr,SSL *con,int full); 214#ifndef OPENSSL_NO_TLSEXT 215static int ocsp_resp_cb(SSL *s, void *arg); 216#endif 217static BIO *bio_c_out=NULL; 218static int c_quiet=0; 219static int c_ign_eof=0; 220 221#ifndef OPENSSL_NO_PSK 222/* Default PSK identity and key */ 223static char *psk_identity="Client_identity"; 224/*char *psk_key=NULL; by default PSK is not used */ 225 226static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 227 unsigned int max_identity_len, unsigned char *psk, 228 unsigned int max_psk_len) 229 { 230 unsigned int psk_len = 0; 231 int ret; 232 BIGNUM *bn=NULL; 233 234 if (c_debug) 235 BIO_printf(bio_c_out, "psk_client_cb\n"); 236 if (!hint) 237 { 238 /* no ServerKeyExchange message*/ 239 if (c_debug) 240 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); 241 } 242 else if (c_debug) 243 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 244 245 /* lookup PSK identity and PSK key based on the given identity hint here */ 246 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 247 if (ret < 0 || (unsigned int)ret > max_identity_len) 248 goto out_err; 249 if (c_debug) 250 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); 251 ret=BN_hex2bn(&bn, psk_key); 252 if (!ret) 253 { 254 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 255 if (bn) 256 BN_free(bn); 257 return 0; 258 } 259 260 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) 261 { 262 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 263 max_psk_len, BN_num_bytes(bn)); 264 BN_free(bn); 265 return 0; 266 } 267 268 psk_len=BN_bn2bin(bn, psk); 269 BN_free(bn); 270 if (psk_len == 0) 271 goto out_err; 272 273 if (c_debug) 274 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 275 276 return psk_len; 277 out_err: 278 if (c_debug) 279 BIO_printf(bio_err, "Error in PSK client callback\n"); 280 return 0; 281 } 282#endif 283 284static void sc_usage(void) 285 { 286 BIO_printf(bio_err,"usage: s_client args\n"); 287 BIO_printf(bio_err,"\n"); 288 BIO_printf(bio_err," -host host - use -connect instead\n"); 289 BIO_printf(bio_err," -port port - use -connect instead\n"); 290 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); 291 292 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 293 BIO_printf(bio_err," -verify_return_error - return verification errors\n"); 294 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 295 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 296 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 297 BIO_printf(bio_err," not specified but cert file is.\n"); 298 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 299 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 300 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 301 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 302 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 303 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 304 BIO_printf(bio_err," -prexit - print session information even on connection failure\n"); 305 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 306 BIO_printf(bio_err," -debug - extra output\n"); 307#ifdef WATT32 308 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 309#endif 310 BIO_printf(bio_err," -msg - Show protocol messages\n"); 311 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 312 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 313#ifdef FIONBIO 314 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 315#endif 316 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 317 BIO_printf(bio_err," -quiet - no s_client output\n"); 318 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 319 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 320#ifndef OPENSSL_NO_PSK 321 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 322 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 323# ifndef OPENSSL_NO_JPAKE 324 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 325# endif 326#endif 327#ifndef OPENSSL_NO_SRP 328 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 329 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 330 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 331 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 332 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 333#endif 334 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 335 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 336 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 337 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 338 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 339 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 340 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 341 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 342 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 343 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 344 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 345 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 346 BIO_printf(bio_err," command to see what is available\n"); 347 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 348 BIO_printf(bio_err," for those protocols that support it, where\n"); 349 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 350 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 351 BIO_printf(bio_err," are supported.\n"); 352#ifndef OPENSSL_NO_ENGINE 353 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 354#endif 355 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 356 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 357 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 358#ifndef OPENSSL_NO_TLSEXT 359 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 360 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 361 BIO_printf(bio_err," -status - request certificate status from server\n"); 362 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 363# ifndef OPENSSL_NO_NEXTPROTONEG 364 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 365# endif 366#endif 367 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 368#ifndef OPENSSL_NO_SRTP 369 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 370#endif 371 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 372 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 373 } 374 375#ifndef OPENSSL_NO_TLSEXT 376 377/* This is a context that we pass to callbacks */ 378typedef struct tlsextctx_st { 379 BIO * biodebug; 380 int ack; 381} tlsextctx; 382 383 384static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 385 { 386 tlsextctx * p = (tlsextctx *) arg; 387 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 388 if (SSL_get_servername_type(s) != -1) 389 p->ack = !SSL_session_reused(s) && hn != NULL; 390 else 391 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 392 393 return SSL_TLSEXT_ERR_OK; 394 } 395 396#ifndef OPENSSL_NO_SRP 397 398/* This is a context that we pass to all callbacks */ 399typedef struct srp_arg_st 400 { 401 char *srppassin; 402 char *srplogin; 403 int msg; /* copy from c_msg */ 404 int debug; /* copy from c_debug */ 405 int amp; /* allow more groups */ 406 int strength /* minimal size for N */ ; 407 } SRP_ARG; 408 409#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 410 411static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 412 { 413 BN_CTX *bn_ctx = BN_CTX_new(); 414 BIGNUM *p = BN_new(); 415 BIGNUM *r = BN_new(); 416 int ret = 417 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 418 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 419 p != NULL && BN_rshift1(p, N) && 420 421 /* p = (N-1)/2 */ 422 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 423 r != NULL && 424 425 /* verify g^((N-1)/2) == -1 (mod N) */ 426 BN_mod_exp(r, g, p, N, bn_ctx) && 427 BN_add_word(r, 1) && 428 BN_cmp(r, N) == 0; 429 430 if(r) 431 BN_free(r); 432 if(p) 433 BN_free(p); 434 if(bn_ctx) 435 BN_CTX_free(bn_ctx); 436 return ret; 437 } 438 439/* This callback is used here for two purposes: 440 - extended debugging 441 - making some primality tests for unknown groups 442 The callback is only called for a non default group. 443 444 An application does not need the call back at all if 445 only the stanard groups are used. In real life situations, 446 client and server already share well known groups, 447 thus there is no need to verify them. 448 Furthermore, in case that a server actually proposes a group that 449 is not one of those defined in RFC 5054, it is more appropriate 450 to add the group to a static list and then compare since 451 primality tests are rather cpu consuming. 452*/ 453 454static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 455 { 456 SRP_ARG *srp_arg = (SRP_ARG *)arg; 457 BIGNUM *N = NULL, *g = NULL; 458 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 459 return 0; 460 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 461 { 462 BIO_printf(bio_err, "SRP parameters:\n"); 463 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 464 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 465 BIO_printf(bio_err,"\n"); 466 } 467 468 if (SRP_check_known_gN_param(g,N)) 469 return 1; 470 471 if (srp_arg->amp == 1) 472 { 473 if (srp_arg->debug) 474 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 475 476/* The srp_moregroups is a real debugging feature. 477 Implementors should rather add the value to the known ones. 478 The minimal size has already been tested. 479*/ 480 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 481 return 1; 482 } 483 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 484 return 0; 485 } 486 487#define PWD_STRLEN 1024 488 489static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 490 { 491 SRP_ARG *srp_arg = (SRP_ARG *)arg; 492 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 493 PW_CB_DATA cb_tmp; 494 int l; 495 496 cb_tmp.password = (char *)srp_arg->srppassin; 497 cb_tmp.prompt_info = "SRP user"; 498 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 499 { 500 BIO_printf (bio_err, "Can't read Password\n"); 501 OPENSSL_free(pass); 502 return NULL; 503 } 504 *(pass+l)= '\0'; 505 506 return pass; 507 } 508 509#endif 510#ifndef OPENSSL_NO_SRTP 511 char *srtp_profiles = NULL; 512#endif 513 514# ifndef OPENSSL_NO_NEXTPROTONEG 515/* This the context that we pass to next_proto_cb */ 516typedef struct tlsextnextprotoctx_st { 517 unsigned char *data; 518 unsigned short len; 519 int status; 520} tlsextnextprotoctx; 521 522static tlsextnextprotoctx next_proto; 523 524static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 525 { 526 tlsextnextprotoctx *ctx = arg; 527 528 if (!c_quiet) 529 { 530 /* We can assume that |in| is syntactically valid. */ 531 unsigned i; 532 BIO_printf(bio_c_out, "Protocols advertised by server: "); 533 for (i = 0; i < inlen; ) 534 { 535 if (i) 536 BIO_write(bio_c_out, ", ", 2); 537 BIO_write(bio_c_out, &in[i + 1], in[i]); 538 i += in[i] + 1; 539 } 540 BIO_write(bio_c_out, "\n", 1); 541 } 542 543 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 544 return SSL_TLSEXT_ERR_OK; 545 } 546# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 547#endif 548 549enum 550{ 551 PROTO_OFF = 0, 552 PROTO_SMTP, 553 PROTO_POP3, 554 PROTO_IMAP, 555 PROTO_FTP, 556 PROTO_XMPP 557}; 558 559int MAIN(int, char **); 560 561int MAIN(int argc, char **argv) 562 { 563 unsigned int off=0, clr=0; 564 SSL *con=NULL; 565#ifndef OPENSSL_NO_KRB5 566 KSSL_CTX *kctx; 567#endif 568 int s,k,width,state=0; 569 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 570 int cbuf_len,cbuf_off; 571 int sbuf_len,sbuf_off; 572 fd_set readfds,writefds; 573 short port=PORT; 574 int full_log=1; 575 char *host=SSL_HOST_NAME; 576 char *cert_file=NULL,*key_file=NULL; 577 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 578 char *passarg = NULL, *pass = NULL; 579 X509 *cert = NULL; 580 EVP_PKEY *key = NULL; 581 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 582 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 583 int crlf=0; 584 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 585 SSL_CTX *ctx=NULL; 586 int ret=1,in_init=1,i,nbio_test=0; 587 int starttls_proto = PROTO_OFF; 588 int prexit = 0; 589 X509_VERIFY_PARAM *vpm = NULL; 590 int badarg = 0; 591 const SSL_METHOD *meth=NULL; 592 int socket_type=SOCK_STREAM; 593 BIO *sbio; 594 char *inrand=NULL; 595 int mbuf_len=0; 596 struct timeval timeout, *timeoutp; 597#ifndef OPENSSL_NO_ENGINE 598 char *engine_id=NULL; 599 char *ssl_client_engine_id=NULL; 600 ENGINE *ssl_client_engine=NULL; 601#endif 602 ENGINE *e=NULL; 603#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 604 struct timeval tv; 605#if defined(OPENSSL_SYS_BEOS_R5) 606 int stdin_set = 0; 607#endif 608#endif 609#ifndef OPENSSL_NO_TLSEXT 610 char *servername = NULL; 611 tlsextctx tlsextcbp = 612 {NULL,0}; 613# ifndef OPENSSL_NO_NEXTPROTONEG 614 const char *next_proto_neg_in = NULL; 615# endif 616#endif 617 char *sess_in = NULL; 618 char *sess_out = NULL; 619 struct sockaddr peer; 620 int peerlen = sizeof(peer); 621 int fallback_scsv = 0; 622 int enable_timeouts = 0 ; 623 long socket_mtu = 0; 624#ifndef OPENSSL_NO_JPAKE 625 char *jpake_secret = NULL; 626#endif 627#ifndef OPENSSL_NO_SRP 628 char * srppass = NULL; 629 int srp_lateuser = 0; 630 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 631#endif 632 633 meth=SSLv23_client_method(); 634 635 apps_startup(); 636 c_Pause=0; 637 c_quiet=0; 638 c_ign_eof=0; 639 c_debug=0; 640 c_msg=0; 641 c_showcerts=0; 642 643 if (bio_err == NULL) 644 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 645 646 if (!load_config(bio_err, NULL)) 647 goto end; 648 649 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 650 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 651 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 652 { 653 BIO_printf(bio_err,"out of memory\n"); 654 goto end; 655 } 656 657 verify_depth=0; 658 verify_error=X509_V_OK; 659#ifdef FIONBIO 660 c_nbio=0; 661#endif 662 663 argc--; 664 argv++; 665 while (argc >= 1) 666 { 667 if (strcmp(*argv,"-host") == 0) 668 { 669 if (--argc < 1) goto bad; 670 host= *(++argv); 671 } 672 else if (strcmp(*argv,"-port") == 0) 673 { 674 if (--argc < 1) goto bad; 675 port=atoi(*(++argv)); 676 if (port == 0) goto bad; 677 } 678 else if (strcmp(*argv,"-connect") == 0) 679 { 680 if (--argc < 1) goto bad; 681 if (!extract_host_port(*(++argv),&host,NULL,&port)) 682 goto bad; 683 } 684 else if (strcmp(*argv,"-verify") == 0) 685 { 686 verify=SSL_VERIFY_PEER; 687 if (--argc < 1) goto bad; 688 verify_depth=atoi(*(++argv)); 689 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 690 } 691 else if (strcmp(*argv,"-cert") == 0) 692 { 693 if (--argc < 1) goto bad; 694 cert_file= *(++argv); 695 } 696 else if (strcmp(*argv,"-sess_out") == 0) 697 { 698 if (--argc < 1) goto bad; 699 sess_out = *(++argv); 700 } 701 else if (strcmp(*argv,"-sess_in") == 0) 702 { 703 if (--argc < 1) goto bad; 704 sess_in = *(++argv); 705 } 706 else if (strcmp(*argv,"-certform") == 0) 707 { 708 if (--argc < 1) goto bad; 709 cert_format = str2fmt(*(++argv)); 710 } 711 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 712 { 713 if (badarg) 714 goto bad; 715 continue; 716 } 717 else if (strcmp(*argv,"-verify_return_error") == 0) 718 verify_return_error = 1; 719 else if (strcmp(*argv,"-prexit") == 0) 720 prexit=1; 721 else if (strcmp(*argv,"-crlf") == 0) 722 crlf=1; 723 else if (strcmp(*argv,"-quiet") == 0) 724 { 725 c_quiet=1; 726 c_ign_eof=1; 727 } 728 else if (strcmp(*argv,"-ign_eof") == 0) 729 c_ign_eof=1; 730 else if (strcmp(*argv,"-no_ign_eof") == 0) 731 c_ign_eof=0; 732 else if (strcmp(*argv,"-pause") == 0) 733 c_Pause=1; 734 else if (strcmp(*argv,"-debug") == 0) 735 c_debug=1; 736#ifndef OPENSSL_NO_TLSEXT 737 else if (strcmp(*argv,"-tlsextdebug") == 0) 738 c_tlsextdebug=1; 739 else if (strcmp(*argv,"-status") == 0) 740 c_status_req=1; 741#endif 742#ifdef WATT32 743 else if (strcmp(*argv,"-wdebug") == 0) 744 dbug_init(); 745#endif 746 else if (strcmp(*argv,"-msg") == 0) 747 c_msg=1; 748 else if (strcmp(*argv,"-showcerts") == 0) 749 c_showcerts=1; 750 else if (strcmp(*argv,"-nbio_test") == 0) 751 nbio_test=1; 752 else if (strcmp(*argv,"-state") == 0) 753 state=1; 754#ifndef OPENSSL_NO_PSK 755 else if (strcmp(*argv,"-psk_identity") == 0) 756 { 757 if (--argc < 1) goto bad; 758 psk_identity=*(++argv); 759 } 760 else if (strcmp(*argv,"-psk") == 0) 761 { 762 size_t j; 763 764 if (--argc < 1) goto bad; 765 psk_key=*(++argv); 766 for (j = 0; j < strlen(psk_key); j++) 767 { 768 if (isxdigit((unsigned char)psk_key[j])) 769 continue; 770 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 771 goto bad; 772 } 773 } 774#endif 775#ifndef OPENSSL_NO_SRP 776 else if (strcmp(*argv,"-srpuser") == 0) 777 { 778 if (--argc < 1) goto bad; 779 srp_arg.srplogin= *(++argv); 780 meth=TLSv1_client_method(); 781 } 782 else if (strcmp(*argv,"-srppass") == 0) 783 { 784 if (--argc < 1) goto bad; 785 srppass= *(++argv); 786 meth=TLSv1_client_method(); 787 } 788 else if (strcmp(*argv,"-srp_strength") == 0) 789 { 790 if (--argc < 1) goto bad; 791 srp_arg.strength=atoi(*(++argv)); 792 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 793 meth=TLSv1_client_method(); 794 } 795 else if (strcmp(*argv,"-srp_lateuser") == 0) 796 { 797 srp_lateuser= 1; 798 meth=TLSv1_client_method(); 799 } 800 else if (strcmp(*argv,"-srp_moregroups") == 0) 801 { 802 srp_arg.amp=1; 803 meth=TLSv1_client_method(); 804 } 805#endif 806#ifndef OPENSSL_NO_SSL2 807 else if (strcmp(*argv,"-ssl2") == 0) 808 meth=SSLv2_client_method(); 809#endif 810#ifndef OPENSSL_NO_SSL3 811 else if (strcmp(*argv,"-ssl3") == 0) 812 meth=SSLv3_client_method(); 813#endif 814#ifndef OPENSSL_NO_TLS1 815 else if (strcmp(*argv,"-tls1_2") == 0) 816 meth=TLSv1_2_client_method(); 817 else if (strcmp(*argv,"-tls1_1") == 0) 818 meth=TLSv1_1_client_method(); 819 else if (strcmp(*argv,"-tls1") == 0) 820 meth=TLSv1_client_method(); 821#endif 822#ifndef OPENSSL_NO_DTLS1 823 else if (strcmp(*argv,"-dtls1") == 0) 824 { 825 meth=DTLSv1_client_method(); 826 socket_type=SOCK_DGRAM; 827 } 828 else if (strcmp(*argv,"-fallback_scsv") == 0) 829 { 830 fallback_scsv = 1; 831 } 832 else if (strcmp(*argv,"-timeout") == 0) 833 enable_timeouts=1; 834 else if (strcmp(*argv,"-mtu") == 0) 835 { 836 if (--argc < 1) goto bad; 837 socket_mtu = atol(*(++argv)); 838 } 839#endif 840 else if (strcmp(*argv,"-bugs") == 0) 841 bugs=1; 842 else if (strcmp(*argv,"-keyform") == 0) 843 { 844 if (--argc < 1) goto bad; 845 key_format = str2fmt(*(++argv)); 846 } 847 else if (strcmp(*argv,"-pass") == 0) 848 { 849 if (--argc < 1) goto bad; 850 passarg = *(++argv); 851 } 852 else if (strcmp(*argv,"-key") == 0) 853 { 854 if (--argc < 1) goto bad; 855 key_file= *(++argv); 856 } 857 else if (strcmp(*argv,"-reconnect") == 0) 858 { 859 reconnect=5; 860 } 861 else if (strcmp(*argv,"-CApath") == 0) 862 { 863 if (--argc < 1) goto bad; 864 CApath= *(++argv); 865 } 866 else if (strcmp(*argv,"-CAfile") == 0) 867 { 868 if (--argc < 1) goto bad; 869 CAfile= *(++argv); 870 } 871 else if (strcmp(*argv,"-no_tls1_2") == 0) 872 off|=SSL_OP_NO_TLSv1_2; 873 else if (strcmp(*argv,"-no_tls1_1") == 0) 874 off|=SSL_OP_NO_TLSv1_1; 875 else if (strcmp(*argv,"-no_tls1") == 0) 876 off|=SSL_OP_NO_TLSv1; 877 else if (strcmp(*argv,"-no_ssl3") == 0) 878 off|=SSL_OP_NO_SSLv3; 879 else if (strcmp(*argv,"-no_ssl2") == 0) 880 off|=SSL_OP_NO_SSLv2; 881 else if (strcmp(*argv,"-no_comp") == 0) 882 { off|=SSL_OP_NO_COMPRESSION; } 883#ifndef OPENSSL_NO_TLSEXT 884 else if (strcmp(*argv,"-no_ticket") == 0) 885 { off|=SSL_OP_NO_TICKET; } 886# ifndef OPENSSL_NO_NEXTPROTONEG 887 else if (strcmp(*argv,"-nextprotoneg") == 0) 888 { 889 if (--argc < 1) goto bad; 890 next_proto_neg_in = *(++argv); 891 } 892# endif 893#endif 894 else if (strcmp(*argv,"-serverpref") == 0) 895 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 896 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 897 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 898 else if (strcmp(*argv,"-legacy_server_connect") == 0) 899 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 900 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 901 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 902 else if (strcmp(*argv,"-cipher") == 0) 903 { 904 if (--argc < 1) goto bad; 905 cipher= *(++argv); 906 } 907#ifdef FIONBIO 908 else if (strcmp(*argv,"-nbio") == 0) 909 { c_nbio=1; } 910#endif 911 else if (strcmp(*argv,"-starttls") == 0) 912 { 913 if (--argc < 1) goto bad; 914 ++argv; 915 if (strcmp(*argv,"smtp") == 0) 916 starttls_proto = PROTO_SMTP; 917 else if (strcmp(*argv,"pop3") == 0) 918 starttls_proto = PROTO_POP3; 919 else if (strcmp(*argv,"imap") == 0) 920 starttls_proto = PROTO_IMAP; 921 else if (strcmp(*argv,"ftp") == 0) 922 starttls_proto = PROTO_FTP; 923 else if (strcmp(*argv, "xmpp") == 0) 924 starttls_proto = PROTO_XMPP; 925 else 926 goto bad; 927 } 928#ifndef OPENSSL_NO_ENGINE 929 else if (strcmp(*argv,"-engine") == 0) 930 { 931 if (--argc < 1) goto bad; 932 engine_id = *(++argv); 933 } 934 else if (strcmp(*argv,"-ssl_client_engine") == 0) 935 { 936 if (--argc < 1) goto bad; 937 ssl_client_engine_id = *(++argv); 938 } 939#endif 940 else if (strcmp(*argv,"-rand") == 0) 941 { 942 if (--argc < 1) goto bad; 943 inrand= *(++argv); 944 } 945#ifndef OPENSSL_NO_TLSEXT 946 else if (strcmp(*argv,"-servername") == 0) 947 { 948 if (--argc < 1) goto bad; 949 servername= *(++argv); 950 /* meth=TLSv1_client_method(); */ 951 } 952#endif 953#ifndef OPENSSL_NO_JPAKE 954 else if (strcmp(*argv,"-jpake") == 0) 955 { 956 if (--argc < 1) goto bad; 957 jpake_secret = *++argv; 958 } 959#endif 960#ifndef OPENSSL_NO_SRTP 961 else if (strcmp(*argv,"-use_srtp") == 0) 962 { 963 if (--argc < 1) goto bad; 964 srtp_profiles = *(++argv); 965 } 966#endif 967 else if (strcmp(*argv,"-keymatexport") == 0) 968 { 969 if (--argc < 1) goto bad; 970 keymatexportlabel= *(++argv); 971 } 972 else if (strcmp(*argv,"-keymatexportlen") == 0) 973 { 974 if (--argc < 1) goto bad; 975 keymatexportlen=atoi(*(++argv)); 976 if (keymatexportlen == 0) goto bad; 977 } 978 else 979 { 980 BIO_printf(bio_err,"unknown option %s\n",*argv); 981 badop=1; 982 break; 983 } 984 argc--; 985 argv++; 986 } 987 if (badop) 988 { 989bad: 990 sc_usage(); 991 goto end; 992 } 993 994#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 995 if (jpake_secret) 996 { 997 if (psk_key) 998 { 999 BIO_printf(bio_err, 1000 "Can't use JPAKE and PSK together\n"); 1001 goto end; 1002 } 1003 psk_identity = "JPAKE"; 1004 if (cipher) 1005 { 1006 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1007 goto end; 1008 } 1009 cipher = "PSK"; 1010 } 1011#endif 1012 1013 OpenSSL_add_ssl_algorithms(); 1014 SSL_load_error_strings(); 1015 1016#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1017 next_proto.status = -1; 1018 if (next_proto_neg_in) 1019 { 1020 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1021 if (next_proto.data == NULL) 1022 { 1023 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1024 goto end; 1025 } 1026 } 1027 else 1028 next_proto.data = NULL; 1029#endif 1030 1031#ifndef OPENSSL_NO_ENGINE 1032 e = setup_engine(bio_err, engine_id, 1); 1033 if (ssl_client_engine_id) 1034 { 1035 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1036 if (!ssl_client_engine) 1037 { 1038 BIO_printf(bio_err, 1039 "Error getting client auth engine\n"); 1040 goto end; 1041 } 1042 } 1043 1044#endif 1045 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1046 { 1047 BIO_printf(bio_err, "Error getting password\n"); 1048 goto end; 1049 } 1050 1051 if (key_file == NULL) 1052 key_file = cert_file; 1053 1054 1055 if (key_file) 1056 1057 { 1058 1059 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1060 "client certificate private key file"); 1061 if (!key) 1062 { 1063 ERR_print_errors(bio_err); 1064 goto end; 1065 } 1066 1067 } 1068 1069 if (cert_file) 1070 1071 { 1072 cert = load_cert(bio_err,cert_file,cert_format, 1073 NULL, e, "client certificate file"); 1074 1075 if (!cert) 1076 { 1077 ERR_print_errors(bio_err); 1078 goto end; 1079 } 1080 } 1081 1082 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1083 && !RAND_status()) 1084 { 1085 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1086 } 1087 if (inrand != NULL) 1088 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1089 app_RAND_load_files(inrand)); 1090 1091 if (bio_c_out == NULL) 1092 { 1093 if (c_quiet && !c_debug && !c_msg) 1094 { 1095 bio_c_out=BIO_new(BIO_s_null()); 1096 } 1097 else 1098 { 1099 if (bio_c_out == NULL) 1100 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1101 } 1102 } 1103 1104#ifndef OPENSSL_NO_SRP 1105 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1106 { 1107 BIO_printf(bio_err, "Error getting password\n"); 1108 goto end; 1109 } 1110#endif 1111 1112 ctx=SSL_CTX_new(meth); 1113 if (ctx == NULL) 1114 { 1115 ERR_print_errors(bio_err); 1116 goto end; 1117 } 1118 1119 if (vpm) 1120 SSL_CTX_set1_param(ctx, vpm); 1121 1122#ifndef OPENSSL_NO_ENGINE 1123 if (ssl_client_engine) 1124 { 1125 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1126 { 1127 BIO_puts(bio_err, "Error setting client auth engine\n"); 1128 ERR_print_errors(bio_err); 1129 ENGINE_free(ssl_client_engine); 1130 goto end; 1131 } 1132 ENGINE_free(ssl_client_engine); 1133 } 1134#endif 1135 1136#ifndef OPENSSL_NO_PSK 1137#ifdef OPENSSL_NO_JPAKE 1138 if (psk_key != NULL) 1139#else 1140 if (psk_key != NULL || jpake_secret) 1141#endif 1142 { 1143 if (c_debug) 1144 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1145 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1146 } 1147#endif 1148#ifndef OPENSSL_NO_SRTP 1149 if (srtp_profiles != NULL) 1150 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1151#endif 1152 if (bugs) 1153 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1154 else 1155 SSL_CTX_set_options(ctx,off); 1156 1157 if (clr) 1158 SSL_CTX_clear_options(ctx, clr); 1159 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1160 * Setting read ahead solves this problem. 1161 */ 1162 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1163 1164#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1165 if (next_proto.data) 1166 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1167#endif 1168 1169 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1170 if (cipher != NULL) 1171 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1172 BIO_printf(bio_err,"error setting cipher list\n"); 1173 ERR_print_errors(bio_err); 1174 goto end; 1175 } 1176#if 0 1177 else 1178 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1179#endif 1180 1181 SSL_CTX_set_verify(ctx,verify,verify_callback); 1182 if (!set_cert_key_stuff(ctx,cert,key)) 1183 goto end; 1184 1185 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1186 (!SSL_CTX_set_default_verify_paths(ctx))) 1187 { 1188 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1189 ERR_print_errors(bio_err); 1190 /* goto end; */ 1191 } 1192 1193#ifndef OPENSSL_NO_TLSEXT 1194 if (servername != NULL) 1195 { 1196 tlsextcbp.biodebug = bio_err; 1197 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1198 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1199 } 1200#ifndef OPENSSL_NO_SRP 1201 if (srp_arg.srplogin) 1202 { 1203 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1204 { 1205 BIO_printf(bio_err,"Unable to set SRP username\n"); 1206 goto end; 1207 } 1208 srp_arg.msg = c_msg; 1209 srp_arg.debug = c_debug ; 1210 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1211 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1212 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1213 if (c_msg || c_debug || srp_arg.amp == 0) 1214 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1215 } 1216 1217#endif 1218#endif 1219 1220 con=SSL_new(ctx); 1221 if (sess_in) 1222 { 1223 SSL_SESSION *sess; 1224 BIO *stmp = BIO_new_file(sess_in, "r"); 1225 if (!stmp) 1226 { 1227 BIO_printf(bio_err, "Can't open session file %s\n", 1228 sess_in); 1229 ERR_print_errors(bio_err); 1230 goto end; 1231 } 1232 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1233 BIO_free(stmp); 1234 if (!sess) 1235 { 1236 BIO_printf(bio_err, "Can't open session file %s\n", 1237 sess_in); 1238 ERR_print_errors(bio_err); 1239 goto end; 1240 } 1241 SSL_set_session(con, sess); 1242 SSL_SESSION_free(sess); 1243 } 1244 1245 if (fallback_scsv) 1246 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1247 1248#ifndef OPENSSL_NO_TLSEXT 1249 if (servername != NULL) 1250 { 1251 if (!SSL_set_tlsext_host_name(con,servername)) 1252 { 1253 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1254 ERR_print_errors(bio_err); 1255 goto end; 1256 } 1257 } 1258#endif 1259#ifndef OPENSSL_NO_KRB5 1260 if (con && (kctx = kssl_ctx_new()) != NULL) 1261 { 1262 SSL_set0_kssl_ctx(con, kctx); 1263 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1264 } 1265#endif /* OPENSSL_NO_KRB5 */ 1266/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1267#if 0 1268#ifdef TLSEXT_TYPE_opaque_prf_input 1269 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1270#endif 1271#endif 1272 1273re_start: 1274 1275 if (init_client(&s,host,port,socket_type) == 0) 1276 { 1277 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1278 SHUTDOWN(s); 1279 goto end; 1280 } 1281 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1282 1283#ifdef FIONBIO 1284 if (c_nbio) 1285 { 1286 unsigned long l=1; 1287 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1288 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1289 { 1290 ERR_print_errors(bio_err); 1291 goto end; 1292 } 1293 } 1294#endif 1295 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1296 1297 if ( SSL_version(con) == DTLS1_VERSION) 1298 { 1299 1300 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1301 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1302 { 1303 BIO_printf(bio_err, "getsockname:errno=%d\n", 1304 get_last_socket_error()); 1305 SHUTDOWN(s); 1306 goto end; 1307 } 1308 1309 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1310 1311 if (enable_timeouts) 1312 { 1313 timeout.tv_sec = 0; 1314 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1315 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1316 1317 timeout.tv_sec = 0; 1318 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1319 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1320 } 1321 1322 if (socket_mtu > 28) 1323 { 1324 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1325 SSL_set_mtu(con, socket_mtu - 28); 1326 } 1327 else 1328 /* want to do MTU discovery */ 1329 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1330 } 1331 else 1332 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1333 1334 if (nbio_test) 1335 { 1336 BIO *test; 1337 1338 test=BIO_new(BIO_f_nbio_test()); 1339 sbio=BIO_push(test,sbio); 1340 } 1341 1342 if (c_debug) 1343 { 1344 SSL_set_debug(con, 1); 1345 BIO_set_callback(sbio,bio_dump_callback); 1346 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1347 } 1348 if (c_msg) 1349 { 1350 SSL_set_msg_callback(con, msg_cb); 1351 SSL_set_msg_callback_arg(con, bio_c_out); 1352 } 1353#ifndef OPENSSL_NO_TLSEXT 1354 if (c_tlsextdebug) 1355 { 1356 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1357 SSL_set_tlsext_debug_arg(con, bio_c_out); 1358 } 1359 if (c_status_req) 1360 { 1361 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1362 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1363 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1364#if 0 1365{ 1366STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1367OCSP_RESPID *id = OCSP_RESPID_new(); 1368id->value.byKey = ASN1_OCTET_STRING_new(); 1369id->type = V_OCSP_RESPID_KEY; 1370ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1371sk_OCSP_RESPID_push(ids, id); 1372SSL_set_tlsext_status_ids(con, ids); 1373} 1374#endif 1375 } 1376#endif 1377#ifndef OPENSSL_NO_JPAKE 1378 if (jpake_secret) 1379 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1380#endif 1381 1382 SSL_set_bio(con,sbio,sbio); 1383 SSL_set_connect_state(con); 1384 1385 /* ok, lets connect */ 1386 width=SSL_get_fd(con)+1; 1387 1388 read_tty=1; 1389 write_tty=0; 1390 tty_on=0; 1391 read_ssl=1; 1392 write_ssl=1; 1393 1394 cbuf_len=0; 1395 cbuf_off=0; 1396 sbuf_len=0; 1397 sbuf_off=0; 1398 1399 /* This is an ugly hack that does a lot of assumptions */ 1400 /* We do have to handle multi-line responses which may come 1401 in a single packet or not. We therefore have to use 1402 BIO_gets() which does need a buffering BIO. So during 1403 the initial chitchat we do push a buffering BIO into the 1404 chain that is removed again later on to not disturb the 1405 rest of the s_client operation. */ 1406 if (starttls_proto == PROTO_SMTP) 1407 { 1408 int foundit=0; 1409 BIO *fbio = BIO_new(BIO_f_buffer()); 1410 BIO_push(fbio, sbio); 1411 /* wait for multi-line response to end from SMTP */ 1412 do 1413 { 1414 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1415 } 1416 while (mbuf_len>3 && mbuf[3]=='-'); 1417 /* STARTTLS command requires EHLO... */ 1418 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1419 (void)BIO_flush(fbio); 1420 /* wait for multi-line response to end EHLO SMTP response */ 1421 do 1422 { 1423 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1424 if (strstr(mbuf,"STARTTLS")) 1425 foundit=1; 1426 } 1427 while (mbuf_len>3 && mbuf[3]=='-'); 1428 (void)BIO_flush(fbio); 1429 BIO_pop(fbio); 1430 BIO_free(fbio); 1431 if (!foundit) 1432 BIO_printf(bio_err, 1433 "didn't found starttls in server response," 1434 " try anyway...\n"); 1435 BIO_printf(sbio,"STARTTLS\r\n"); 1436 BIO_read(sbio,sbuf,BUFSIZZ); 1437 } 1438 else if (starttls_proto == PROTO_POP3) 1439 { 1440 BIO_read(sbio,mbuf,BUFSIZZ); 1441 BIO_printf(sbio,"STLS\r\n"); 1442 BIO_read(sbio,sbuf,BUFSIZZ); 1443 } 1444 else if (starttls_proto == PROTO_IMAP) 1445 { 1446 int foundit=0; 1447 BIO *fbio = BIO_new(BIO_f_buffer()); 1448 BIO_push(fbio, sbio); 1449 BIO_gets(fbio,mbuf,BUFSIZZ); 1450 /* STARTTLS command requires CAPABILITY... */ 1451 BIO_printf(fbio,". CAPABILITY\r\n"); 1452 (void)BIO_flush(fbio); 1453 /* wait for multi-line CAPABILITY response */ 1454 do 1455 { 1456 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1457 if (strstr(mbuf,"STARTTLS")) 1458 foundit=1; 1459 } 1460 while (mbuf_len>3 && mbuf[0]!='.'); 1461 (void)BIO_flush(fbio); 1462 BIO_pop(fbio); 1463 BIO_free(fbio); 1464 if (!foundit) 1465 BIO_printf(bio_err, 1466 "didn't found STARTTLS in server response," 1467 " try anyway...\n"); 1468 BIO_printf(sbio,". STARTTLS\r\n"); 1469 BIO_read(sbio,sbuf,BUFSIZZ); 1470 } 1471 else if (starttls_proto == PROTO_FTP) 1472 { 1473 BIO *fbio = BIO_new(BIO_f_buffer()); 1474 BIO_push(fbio, sbio); 1475 /* wait for multi-line response to end from FTP */ 1476 do 1477 { 1478 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1479 } 1480 while (mbuf_len>3 && mbuf[3]=='-'); 1481 (void)BIO_flush(fbio); 1482 BIO_pop(fbio); 1483 BIO_free(fbio); 1484 BIO_printf(sbio,"AUTH TLS\r\n"); 1485 BIO_read(sbio,sbuf,BUFSIZZ); 1486 } 1487 if (starttls_proto == PROTO_XMPP) 1488 { 1489 int seen = 0; 1490 BIO_printf(sbio,"<stream:stream " 1491 "xmlns:stream='http://etherx.jabber.org/streams' " 1492 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1493 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1494 mbuf[seen] = 0; 1495 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1496 { 1497 if (strstr(mbuf, "/stream:features>")) 1498 goto shut; 1499 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1500 mbuf[seen] = 0; 1501 } 1502 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1503 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1504 sbuf[seen] = 0; 1505 if (!strstr(sbuf, "<proceed")) 1506 goto shut; 1507 mbuf[0] = 0; 1508 } 1509 1510 for (;;) 1511 { 1512 FD_ZERO(&readfds); 1513 FD_ZERO(&writefds); 1514 1515 if ((SSL_version(con) == DTLS1_VERSION) && 1516 DTLSv1_get_timeout(con, &timeout)) 1517 timeoutp = &timeout; 1518 else 1519 timeoutp = NULL; 1520 1521 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1522 { 1523 in_init=1; 1524 tty_on=0; 1525 } 1526 else 1527 { 1528 tty_on=1; 1529 if (in_init) 1530 { 1531 in_init=0; 1532#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1533#ifndef OPENSSL_NO_TLSEXT 1534 if (servername != NULL && !SSL_session_reused(con)) 1535 { 1536 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1537 } 1538#endif 1539#endif 1540 if (sess_out) 1541 { 1542 BIO *stmp = BIO_new_file(sess_out, "w"); 1543 if (stmp) 1544 { 1545 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1546 BIO_free(stmp); 1547 } 1548 else 1549 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1550 } 1551 print_stuff(bio_c_out,con,full_log); 1552 if (full_log > 0) full_log--; 1553 1554 if (starttls_proto) 1555 { 1556 BIO_printf(bio_err,"%s",mbuf); 1557 /* We don't need to know any more */ 1558 starttls_proto = PROTO_OFF; 1559 } 1560 1561 if (reconnect) 1562 { 1563 reconnect--; 1564 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1565 SSL_shutdown(con); 1566 SSL_set_connect_state(con); 1567 SHUTDOWN(SSL_get_fd(con)); 1568 goto re_start; 1569 } 1570 } 1571 } 1572 1573 ssl_pending = read_ssl && SSL_pending(con); 1574 1575 if (!ssl_pending) 1576 { 1577#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1578 if (tty_on) 1579 { 1580 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1581 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1582 } 1583 if (read_ssl) 1584 openssl_fdset(SSL_get_fd(con),&readfds); 1585 if (write_ssl) 1586 openssl_fdset(SSL_get_fd(con),&writefds); 1587#else 1588 if(!tty_on || !write_tty) { 1589 if (read_ssl) 1590 openssl_fdset(SSL_get_fd(con),&readfds); 1591 if (write_ssl) 1592 openssl_fdset(SSL_get_fd(con),&writefds); 1593 } 1594#endif 1595/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1596 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1597 1598 /* Note: under VMS with SOCKETSHR the second parameter 1599 * is currently of type (int *) whereas under other 1600 * systems it is (void *) if you don't have a cast it 1601 * will choke the compiler: if you do have a cast then 1602 * you can either go for (int *) or (void *). 1603 */ 1604#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1605 /* Under Windows/DOS we make the assumption that we can 1606 * always write to the tty: therefore if we need to 1607 * write to the tty we just fall through. Otherwise 1608 * we timeout the select every second and see if there 1609 * are any keypresses. Note: this is a hack, in a proper 1610 * Windows application we wouldn't do this. 1611 */ 1612 i=0; 1613 if(!write_tty) { 1614 if(read_tty) { 1615 tv.tv_sec = 1; 1616 tv.tv_usec = 0; 1617 i=select(width,(void *)&readfds,(void *)&writefds, 1618 NULL,&tv); 1619#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1620 if(!i && (!_kbhit() || !read_tty) ) continue; 1621#else 1622 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1623#endif 1624 } else i=select(width,(void *)&readfds,(void *)&writefds, 1625 NULL,timeoutp); 1626 } 1627#elif defined(OPENSSL_SYS_NETWARE) 1628 if(!write_tty) { 1629 if(read_tty) { 1630 tv.tv_sec = 1; 1631 tv.tv_usec = 0; 1632 i=select(width,(void *)&readfds,(void *)&writefds, 1633 NULL,&tv); 1634 } else i=select(width,(void *)&readfds,(void *)&writefds, 1635 NULL,timeoutp); 1636 } 1637#elif defined(OPENSSL_SYS_BEOS_R5) 1638 /* Under BeOS-R5 the situation is similar to DOS */ 1639 i=0; 1640 stdin_set = 0; 1641 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1642 if(!write_tty) { 1643 if(read_tty) { 1644 tv.tv_sec = 1; 1645 tv.tv_usec = 0; 1646 i=select(width,(void *)&readfds,(void *)&writefds, 1647 NULL,&tv); 1648 if (read(fileno(stdin), sbuf, 0) >= 0) 1649 stdin_set = 1; 1650 if (!i && (stdin_set != 1 || !read_tty)) 1651 continue; 1652 } else i=select(width,(void *)&readfds,(void *)&writefds, 1653 NULL,timeoutp); 1654 } 1655 (void)fcntl(fileno(stdin), F_SETFL, 0); 1656#else 1657 i=select(width,(void *)&readfds,(void *)&writefds, 1658 NULL,timeoutp); 1659#endif 1660 if ( i < 0) 1661 { 1662 BIO_printf(bio_err,"bad select %d\n", 1663 get_last_socket_error()); 1664 goto shut; 1665 /* goto end; */ 1666 } 1667 } 1668 1669 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1670 { 1671 BIO_printf(bio_err,"TIMEOUT occured\n"); 1672 } 1673 1674 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1675 { 1676 k=SSL_write(con,&(cbuf[cbuf_off]), 1677 (unsigned int)cbuf_len); 1678 switch (SSL_get_error(con,k)) 1679 { 1680 case SSL_ERROR_NONE: 1681 cbuf_off+=k; 1682 cbuf_len-=k; 1683 if (k <= 0) goto end; 1684 /* we have done a write(con,NULL,0); */ 1685 if (cbuf_len <= 0) 1686 { 1687 read_tty=1; 1688 write_ssl=0; 1689 } 1690 else /* if (cbuf_len > 0) */ 1691 { 1692 read_tty=0; 1693 write_ssl=1; 1694 } 1695 break; 1696 case SSL_ERROR_WANT_WRITE: 1697 BIO_printf(bio_c_out,"write W BLOCK\n"); 1698 write_ssl=1; 1699 read_tty=0; 1700 break; 1701 case SSL_ERROR_WANT_READ: 1702 BIO_printf(bio_c_out,"write R BLOCK\n"); 1703 write_tty=0; 1704 read_ssl=1; 1705 write_ssl=0; 1706 break; 1707 case SSL_ERROR_WANT_X509_LOOKUP: 1708 BIO_printf(bio_c_out,"write X BLOCK\n"); 1709 break; 1710 case SSL_ERROR_ZERO_RETURN: 1711 if (cbuf_len != 0) 1712 { 1713 BIO_printf(bio_c_out,"shutdown\n"); 1714 ret = 0; 1715 goto shut; 1716 } 1717 else 1718 { 1719 read_tty=1; 1720 write_ssl=0; 1721 break; 1722 } 1723 1724 case SSL_ERROR_SYSCALL: 1725 if ((k != 0) || (cbuf_len != 0)) 1726 { 1727 BIO_printf(bio_err,"write:errno=%d\n", 1728 get_last_socket_error()); 1729 goto shut; 1730 } 1731 else 1732 { 1733 read_tty=1; 1734 write_ssl=0; 1735 } 1736 break; 1737 case SSL_ERROR_SSL: 1738 ERR_print_errors(bio_err); 1739 goto shut; 1740 } 1741 } 1742#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1743 /* Assume Windows/DOS/BeOS can always write */ 1744 else if (!ssl_pending && write_tty) 1745#else 1746 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1747#endif 1748 { 1749#ifdef CHARSET_EBCDIC 1750 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1751#endif 1752 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1753 1754 if (i <= 0) 1755 { 1756 BIO_printf(bio_c_out,"DONE\n"); 1757 ret = 0; 1758 goto shut; 1759 /* goto end; */ 1760 } 1761 1762 sbuf_len-=i;; 1763 sbuf_off+=i; 1764 if (sbuf_len <= 0) 1765 { 1766 read_ssl=1; 1767 write_tty=0; 1768 } 1769 } 1770 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1771 { 1772#ifdef RENEG 1773{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1774#endif 1775#if 1 1776 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1777#else 1778/* Demo for pending and peek :-) */ 1779 k=SSL_read(con,sbuf,16); 1780{ char zbuf[10240]; 1781printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1782} 1783#endif 1784 1785 switch (SSL_get_error(con,k)) 1786 { 1787 case SSL_ERROR_NONE: 1788 if (k <= 0) 1789 goto end; 1790 sbuf_off=0; 1791 sbuf_len=k; 1792 1793 read_ssl=0; 1794 write_tty=1; 1795 break; 1796 case SSL_ERROR_WANT_WRITE: 1797 BIO_printf(bio_c_out,"read W BLOCK\n"); 1798 write_ssl=1; 1799 read_tty=0; 1800 break; 1801 case SSL_ERROR_WANT_READ: 1802 BIO_printf(bio_c_out,"read R BLOCK\n"); 1803 write_tty=0; 1804 read_ssl=1; 1805 if ((read_tty == 0) && (write_ssl == 0)) 1806 write_ssl=1; 1807 break; 1808 case SSL_ERROR_WANT_X509_LOOKUP: 1809 BIO_printf(bio_c_out,"read X BLOCK\n"); 1810 break; 1811 case SSL_ERROR_SYSCALL: 1812 ret=get_last_socket_error(); 1813 BIO_printf(bio_err,"read:errno=%d\n",ret); 1814 goto shut; 1815 case SSL_ERROR_ZERO_RETURN: 1816 BIO_printf(bio_c_out,"closed\n"); 1817 ret=0; 1818 goto shut; 1819 case SSL_ERROR_SSL: 1820 ERR_print_errors(bio_err); 1821 goto shut; 1822 /* break; */ 1823 } 1824 } 1825 1826#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1827#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1828 else if (_kbhit()) 1829#else 1830 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1831#endif 1832#elif defined (OPENSSL_SYS_NETWARE) 1833 else if (_kbhit()) 1834#elif defined(OPENSSL_SYS_BEOS_R5) 1835 else if (stdin_set) 1836#else 1837 else if (FD_ISSET(fileno(stdin),&readfds)) 1838#endif 1839 { 1840 if (crlf) 1841 { 1842 int j, lf_num; 1843 1844 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1845 lf_num = 0; 1846 /* both loops are skipped when i <= 0 */ 1847 for (j = 0; j < i; j++) 1848 if (cbuf[j] == '\n') 1849 lf_num++; 1850 for (j = i-1; j >= 0; j--) 1851 { 1852 cbuf[j+lf_num] = cbuf[j]; 1853 if (cbuf[j] == '\n') 1854 { 1855 lf_num--; 1856 i++; 1857 cbuf[j+lf_num] = '\r'; 1858 } 1859 } 1860 assert(lf_num == 0); 1861 } 1862 else 1863 i=raw_read_stdin(cbuf,BUFSIZZ); 1864 1865 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1866 { 1867 BIO_printf(bio_err,"DONE\n"); 1868 ret=0; 1869 goto shut; 1870 } 1871 1872 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1873 { 1874 BIO_printf(bio_err,"RENEGOTIATING\n"); 1875 SSL_renegotiate(con); 1876 cbuf_len=0; 1877 } 1878#ifndef OPENSSL_NO_HEARTBEATS 1879 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1880 { 1881 BIO_printf(bio_err,"HEARTBEATING\n"); 1882 SSL_heartbeat(con); 1883 cbuf_len=0; 1884 } 1885#endif 1886 else 1887 { 1888 cbuf_len=i; 1889 cbuf_off=0; 1890#ifdef CHARSET_EBCDIC 1891 ebcdic2ascii(cbuf, cbuf, i); 1892#endif 1893 } 1894 1895 write_ssl=1; 1896 read_tty=0; 1897 } 1898 } 1899 1900 ret=0; 1901shut: 1902 if (in_init) 1903 print_stuff(bio_c_out,con,full_log); 1904 SSL_shutdown(con); 1905 SHUTDOWN(SSL_get_fd(con)); 1906end: 1907 if (con != NULL) 1908 { 1909 if (prexit != 0) 1910 print_stuff(bio_c_out,con,1); 1911 SSL_free(con); 1912 } 1913#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1914 if (next_proto.data) 1915 OPENSSL_free(next_proto.data); 1916#endif 1917 if (ctx != NULL) SSL_CTX_free(ctx); 1918 if (cert) 1919 X509_free(cert); 1920 if (key) 1921 EVP_PKEY_free(key); 1922 if (pass) 1923 OPENSSL_free(pass); 1924 if (vpm) 1925 X509_VERIFY_PARAM_free(vpm); 1926 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1927 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1928 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1929 if (bio_c_out != NULL) 1930 { 1931 BIO_free(bio_c_out); 1932 bio_c_out=NULL; 1933 } 1934 apps_shutdown(); 1935 OPENSSL_EXIT(ret); 1936 } 1937 1938 1939static void print_stuff(BIO *bio, SSL *s, int full) 1940 { 1941 X509 *peer=NULL; 1942 char *p; 1943 static const char *space=" "; 1944 char buf[BUFSIZ]; 1945 STACK_OF(X509) *sk; 1946 STACK_OF(X509_NAME) *sk2; 1947 const SSL_CIPHER *c; 1948 X509_NAME *xn; 1949 int j,i; 1950#ifndef OPENSSL_NO_COMP 1951 const COMP_METHOD *comp, *expansion; 1952#endif 1953 unsigned char *exportedkeymat; 1954 1955 if (full) 1956 { 1957 int got_a_chain = 0; 1958 1959 sk=SSL_get_peer_cert_chain(s); 1960 if (sk != NULL) 1961 { 1962 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1963 1964 BIO_printf(bio,"---\nCertificate chain\n"); 1965 for (i=0; i<sk_X509_num(sk); i++) 1966 { 1967 X509_NAME_oneline(X509_get_subject_name( 1968 sk_X509_value(sk,i)),buf,sizeof buf); 1969 BIO_printf(bio,"%2d s:%s\n",i,buf); 1970 X509_NAME_oneline(X509_get_issuer_name( 1971 sk_X509_value(sk,i)),buf,sizeof buf); 1972 BIO_printf(bio," i:%s\n",buf); 1973 if (c_showcerts) 1974 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1975 } 1976 } 1977 1978 BIO_printf(bio,"---\n"); 1979 peer=SSL_get_peer_certificate(s); 1980 if (peer != NULL) 1981 { 1982 BIO_printf(bio,"Server certificate\n"); 1983 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1984 PEM_write_bio_X509(bio,peer); 1985 X509_NAME_oneline(X509_get_subject_name(peer), 1986 buf,sizeof buf); 1987 BIO_printf(bio,"subject=%s\n",buf); 1988 X509_NAME_oneline(X509_get_issuer_name(peer), 1989 buf,sizeof buf); 1990 BIO_printf(bio,"issuer=%s\n",buf); 1991 } 1992 else 1993 BIO_printf(bio,"no peer certificate available\n"); 1994 1995 sk2=SSL_get_client_CA_list(s); 1996 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1997 { 1998 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1999 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2000 { 2001 xn=sk_X509_NAME_value(sk2,i); 2002 X509_NAME_oneline(xn,buf,sizeof(buf)); 2003 BIO_write(bio,buf,strlen(buf)); 2004 BIO_write(bio,"\n",1); 2005 } 2006 } 2007 else 2008 { 2009 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2010 } 2011 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2012 if (p != NULL) 2013 { 2014 /* This works only for SSL 2. In later protocol 2015 * versions, the client does not know what other 2016 * ciphers (in addition to the one to be used 2017 * in the current connection) the server supports. */ 2018 2019 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2020 j=i=0; 2021 while (*p) 2022 { 2023 if (*p == ':') 2024 { 2025 BIO_write(bio,space,15-j%25); 2026 i++; 2027 j=0; 2028 BIO_write(bio,((i%3)?" ":"\n"),1); 2029 } 2030 else 2031 { 2032 BIO_write(bio,p,1); 2033 j++; 2034 } 2035 p++; 2036 } 2037 BIO_write(bio,"\n",1); 2038 } 2039 2040 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2041 BIO_number_read(SSL_get_rbio(s)), 2042 BIO_number_written(SSL_get_wbio(s))); 2043 } 2044 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2045 c=SSL_get_current_cipher(s); 2046 BIO_printf(bio,"%s, Cipher is %s\n", 2047 SSL_CIPHER_get_version(c), 2048 SSL_CIPHER_get_name(c)); 2049 if (peer != NULL) { 2050 EVP_PKEY *pktmp; 2051 pktmp = X509_get_pubkey(peer); 2052 BIO_printf(bio,"Server public key is %d bit\n", 2053 EVP_PKEY_bits(pktmp)); 2054 EVP_PKEY_free(pktmp); 2055 } 2056 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2057 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2058#ifndef OPENSSL_NO_COMP 2059 comp=SSL_get_current_compression(s); 2060 expansion=SSL_get_current_expansion(s); 2061 BIO_printf(bio,"Compression: %s\n", 2062 comp ? SSL_COMP_get_name(comp) : "NONE"); 2063 BIO_printf(bio,"Expansion: %s\n", 2064 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2065#endif 2066 2067#ifdef SSL_DEBUG 2068 { 2069 /* Print out local port of connection: useful for debugging */ 2070 int sock; 2071 struct sockaddr_in ladd; 2072 socklen_t ladd_size = sizeof(ladd); 2073 sock = SSL_get_fd(s); 2074 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2075 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2076 } 2077#endif 2078 2079#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2080 if (next_proto.status != -1) { 2081 const unsigned char *proto; 2082 unsigned int proto_len; 2083 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2084 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2085 BIO_write(bio, proto, proto_len); 2086 BIO_write(bio, "\n", 1); 2087 } 2088#endif 2089 2090#ifndef OPENSSL_NO_SRTP 2091 { 2092 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2093 2094 if(srtp_profile) 2095 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2096 srtp_profile->name); 2097 } 2098#endif 2099 2100 SSL_SESSION_print(bio,SSL_get_session(s)); 2101 if (keymatexportlabel != NULL) 2102 { 2103 BIO_printf(bio, "Keying material exporter:\n"); 2104 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2105 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2106 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2107 if (exportedkeymat != NULL) 2108 { 2109 if (!SSL_export_keying_material(s, exportedkeymat, 2110 keymatexportlen, 2111 keymatexportlabel, 2112 strlen(keymatexportlabel), 2113 NULL, 0, 0)) 2114 { 2115 BIO_printf(bio, " Error\n"); 2116 } 2117 else 2118 { 2119 BIO_printf(bio, " Keying material: "); 2120 for (i=0; i<keymatexportlen; i++) 2121 BIO_printf(bio, "%02X", 2122 exportedkeymat[i]); 2123 BIO_printf(bio, "\n"); 2124 } 2125 OPENSSL_free(exportedkeymat); 2126 } 2127 } 2128 BIO_printf(bio,"---\n"); 2129 if (peer != NULL) 2130 X509_free(peer); 2131 /* flush, or debugging output gets mixed with http response */ 2132 (void)BIO_flush(bio); 2133 } 2134 2135#ifndef OPENSSL_NO_TLSEXT 2136 2137static int ocsp_resp_cb(SSL *s, void *arg) 2138 { 2139 const unsigned char *p; 2140 int len; 2141 OCSP_RESPONSE *rsp; 2142 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2143 BIO_puts(arg, "OCSP response: "); 2144 if (!p) 2145 { 2146 BIO_puts(arg, "no response sent\n"); 2147 return 1; 2148 } 2149 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2150 if (!rsp) 2151 { 2152 BIO_puts(arg, "response parse error\n"); 2153 BIO_dump_indent(arg, (char *)p, len, 4); 2154 return 0; 2155 } 2156 BIO_puts(arg, "\n======================================\n"); 2157 OCSP_RESPONSE_print(arg, rsp, 0); 2158 BIO_puts(arg, "======================================\n"); 2159 OCSP_RESPONSE_free(rsp); 2160 return 1; 2161 } 2162 2163#endif 2164