s_client.c revision 273415
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," -cert arg - certificate file to use, PEM format assumed\n"); 294 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 295 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 296 BIO_printf(bio_err," not specified but cert file is.\n"); 297 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 298 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 299 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 300 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 301 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 302 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 303 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 304 BIO_printf(bio_err," -debug - extra output\n"); 305#ifdef WATT32 306 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 307#endif 308 BIO_printf(bio_err," -msg - Show protocol messages\n"); 309 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 310 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 311#ifdef FIONBIO 312 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 313#endif 314 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 315 BIO_printf(bio_err," -quiet - no s_client output\n"); 316 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 317 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 318#ifndef OPENSSL_NO_PSK 319 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 320 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 321# ifndef OPENSSL_NO_JPAKE 322 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 323# endif 324#endif 325#ifndef OPENSSL_NO_SRP 326 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 327 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 328 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 329 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 330 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 331#endif 332 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 333 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 334 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 335 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 336 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 337 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 338 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 339 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 340 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 341 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 342 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 343 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 344 BIO_printf(bio_err," command to see what is available\n"); 345 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 346 BIO_printf(bio_err," for those protocols that support it, where\n"); 347 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 348 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 349 BIO_printf(bio_err," are supported.\n"); 350#ifndef OPENSSL_NO_ENGINE 351 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 352#endif 353 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 354 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 355 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 356#ifndef OPENSSL_NO_TLSEXT 357 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 358 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 359 BIO_printf(bio_err," -status - request certificate status from server\n"); 360 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 361# ifndef OPENSSL_NO_NEXTPROTONEG 362 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 363# endif 364#endif 365 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 366#ifndef OPENSSL_NO_SRTP 367 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 368#endif 369 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 370 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 371 } 372 373#ifndef OPENSSL_NO_TLSEXT 374 375/* This is a context that we pass to callbacks */ 376typedef struct tlsextctx_st { 377 BIO * biodebug; 378 int ack; 379} tlsextctx; 380 381 382static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 383 { 384 tlsextctx * p = (tlsextctx *) arg; 385 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 386 if (SSL_get_servername_type(s) != -1) 387 p->ack = !SSL_session_reused(s) && hn != NULL; 388 else 389 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 390 391 return SSL_TLSEXT_ERR_OK; 392 } 393 394#ifndef OPENSSL_NO_SRP 395 396/* This is a context that we pass to all callbacks */ 397typedef struct srp_arg_st 398 { 399 char *srppassin; 400 char *srplogin; 401 int msg; /* copy from c_msg */ 402 int debug; /* copy from c_debug */ 403 int amp; /* allow more groups */ 404 int strength /* minimal size for N */ ; 405 } SRP_ARG; 406 407#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 408 409static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 410 { 411 BN_CTX *bn_ctx = BN_CTX_new(); 412 BIGNUM *p = BN_new(); 413 BIGNUM *r = BN_new(); 414 int ret = 415 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 416 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 417 p != NULL && BN_rshift1(p, N) && 418 419 /* p = (N-1)/2 */ 420 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 421 r != NULL && 422 423 /* verify g^((N-1)/2) == -1 (mod N) */ 424 BN_mod_exp(r, g, p, N, bn_ctx) && 425 BN_add_word(r, 1) && 426 BN_cmp(r, N) == 0; 427 428 if(r) 429 BN_free(r); 430 if(p) 431 BN_free(p); 432 if(bn_ctx) 433 BN_CTX_free(bn_ctx); 434 return ret; 435 } 436 437/* This callback is used here for two purposes: 438 - extended debugging 439 - making some primality tests for unknown groups 440 The callback is only called for a non default group. 441 442 An application does not need the call back at all if 443 only the stanard groups are used. In real life situations, 444 client and server already share well known groups, 445 thus there is no need to verify them. 446 Furthermore, in case that a server actually proposes a group that 447 is not one of those defined in RFC 5054, it is more appropriate 448 to add the group to a static list and then compare since 449 primality tests are rather cpu consuming. 450*/ 451 452static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 453 { 454 SRP_ARG *srp_arg = (SRP_ARG *)arg; 455 BIGNUM *N = NULL, *g = NULL; 456 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 457 return 0; 458 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 459 { 460 BIO_printf(bio_err, "SRP parameters:\n"); 461 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 462 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 463 BIO_printf(bio_err,"\n"); 464 } 465 466 if (SRP_check_known_gN_param(g,N)) 467 return 1; 468 469 if (srp_arg->amp == 1) 470 { 471 if (srp_arg->debug) 472 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 473 474/* The srp_moregroups is a real debugging feature. 475 Implementors should rather add the value to the known ones. 476 The minimal size has already been tested. 477*/ 478 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 479 return 1; 480 } 481 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 482 return 0; 483 } 484 485#define PWD_STRLEN 1024 486 487static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 488 { 489 SRP_ARG *srp_arg = (SRP_ARG *)arg; 490 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 491 PW_CB_DATA cb_tmp; 492 int l; 493 494 cb_tmp.password = (char *)srp_arg->srppassin; 495 cb_tmp.prompt_info = "SRP user"; 496 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 497 { 498 BIO_printf (bio_err, "Can't read Password\n"); 499 OPENSSL_free(pass); 500 return NULL; 501 } 502 *(pass+l)= '\0'; 503 504 return pass; 505 } 506 507#endif 508#ifndef OPENSSL_NO_SRTP 509 char *srtp_profiles = NULL; 510#endif 511 512# ifndef OPENSSL_NO_NEXTPROTONEG 513/* This the context that we pass to next_proto_cb */ 514typedef struct tlsextnextprotoctx_st { 515 unsigned char *data; 516 unsigned short len; 517 int status; 518} tlsextnextprotoctx; 519 520static tlsextnextprotoctx next_proto; 521 522static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 523 { 524 tlsextnextprotoctx *ctx = arg; 525 526 if (!c_quiet) 527 { 528 /* We can assume that |in| is syntactically valid. */ 529 unsigned i; 530 BIO_printf(bio_c_out, "Protocols advertised by server: "); 531 for (i = 0; i < inlen; ) 532 { 533 if (i) 534 BIO_write(bio_c_out, ", ", 2); 535 BIO_write(bio_c_out, &in[i + 1], in[i]); 536 i += in[i] + 1; 537 } 538 BIO_write(bio_c_out, "\n", 1); 539 } 540 541 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 542 return SSL_TLSEXT_ERR_OK; 543 } 544# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 545#endif 546 547enum 548{ 549 PROTO_OFF = 0, 550 PROTO_SMTP, 551 PROTO_POP3, 552 PROTO_IMAP, 553 PROTO_FTP, 554 PROTO_XMPP 555}; 556 557int MAIN(int, char **); 558 559int MAIN(int argc, char **argv) 560 { 561 unsigned int off=0, clr=0; 562 SSL *con=NULL; 563#ifndef OPENSSL_NO_KRB5 564 KSSL_CTX *kctx; 565#endif 566 int s,k,width,state=0; 567 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 568 int cbuf_len,cbuf_off; 569 int sbuf_len,sbuf_off; 570 fd_set readfds,writefds; 571 short port=PORT; 572 int full_log=1; 573 char *host=SSL_HOST_NAME; 574 char *cert_file=NULL,*key_file=NULL; 575 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 576 char *passarg = NULL, *pass = NULL; 577 X509 *cert = NULL; 578 EVP_PKEY *key = NULL; 579 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 580 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 581 int crlf=0; 582 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 583 SSL_CTX *ctx=NULL; 584 int ret=1,in_init=1,i,nbio_test=0; 585 int starttls_proto = PROTO_OFF; 586 int prexit = 0; 587 X509_VERIFY_PARAM *vpm = NULL; 588 int badarg = 0; 589 const SSL_METHOD *meth=NULL; 590 int socket_type=SOCK_STREAM; 591 BIO *sbio; 592 char *inrand=NULL; 593 int mbuf_len=0; 594 struct timeval timeout, *timeoutp; 595#ifndef OPENSSL_NO_ENGINE 596 char *engine_id=NULL; 597 char *ssl_client_engine_id=NULL; 598 ENGINE *ssl_client_engine=NULL; 599#endif 600 ENGINE *e=NULL; 601#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 602 struct timeval tv; 603#if defined(OPENSSL_SYS_BEOS_R5) 604 int stdin_set = 0; 605#endif 606#endif 607#ifndef OPENSSL_NO_TLSEXT 608 char *servername = NULL; 609 tlsextctx tlsextcbp = 610 {NULL,0}; 611# ifndef OPENSSL_NO_NEXTPROTONEG 612 const char *next_proto_neg_in = NULL; 613# endif 614#endif 615 char *sess_in = NULL; 616 char *sess_out = NULL; 617 struct sockaddr peer; 618 int peerlen = sizeof(peer); 619 int fallback_scsv = 0; 620 int enable_timeouts = 0 ; 621 long socket_mtu = 0; 622#ifndef OPENSSL_NO_JPAKE 623 char *jpake_secret = NULL; 624#endif 625#ifndef OPENSSL_NO_SRP 626 char * srppass = NULL; 627 int srp_lateuser = 0; 628 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 629#endif 630 631 meth=SSLv23_client_method(); 632 633 apps_startup(); 634 c_Pause=0; 635 c_quiet=0; 636 c_ign_eof=0; 637 c_debug=0; 638 c_msg=0; 639 c_showcerts=0; 640 641 if (bio_err == NULL) 642 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 643 644 if (!load_config(bio_err, NULL)) 645 goto end; 646 647 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 648 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 649 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 650 { 651 BIO_printf(bio_err,"out of memory\n"); 652 goto end; 653 } 654 655 verify_depth=0; 656 verify_error=X509_V_OK; 657#ifdef FIONBIO 658 c_nbio=0; 659#endif 660 661 argc--; 662 argv++; 663 while (argc >= 1) 664 { 665 if (strcmp(*argv,"-host") == 0) 666 { 667 if (--argc < 1) goto bad; 668 host= *(++argv); 669 } 670 else if (strcmp(*argv,"-port") == 0) 671 { 672 if (--argc < 1) goto bad; 673 port=atoi(*(++argv)); 674 if (port == 0) goto bad; 675 } 676 else if (strcmp(*argv,"-connect") == 0) 677 { 678 if (--argc < 1) goto bad; 679 if (!extract_host_port(*(++argv),&host,NULL,&port)) 680 goto bad; 681 } 682 else if (strcmp(*argv,"-verify") == 0) 683 { 684 verify=SSL_VERIFY_PEER; 685 if (--argc < 1) goto bad; 686 verify_depth=atoi(*(++argv)); 687 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 688 } 689 else if (strcmp(*argv,"-cert") == 0) 690 { 691 if (--argc < 1) goto bad; 692 cert_file= *(++argv); 693 } 694 else if (strcmp(*argv,"-sess_out") == 0) 695 { 696 if (--argc < 1) goto bad; 697 sess_out = *(++argv); 698 } 699 else if (strcmp(*argv,"-sess_in") == 0) 700 { 701 if (--argc < 1) goto bad; 702 sess_in = *(++argv); 703 } 704 else if (strcmp(*argv,"-certform") == 0) 705 { 706 if (--argc < 1) goto bad; 707 cert_format = str2fmt(*(++argv)); 708 } 709 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 710 { 711 if (badarg) 712 goto bad; 713 continue; 714 } 715 else if (strcmp(*argv,"-verify_return_error") == 0) 716 verify_return_error = 1; 717 else if (strcmp(*argv,"-prexit") == 0) 718 prexit=1; 719 else if (strcmp(*argv,"-crlf") == 0) 720 crlf=1; 721 else if (strcmp(*argv,"-quiet") == 0) 722 { 723 c_quiet=1; 724 c_ign_eof=1; 725 } 726 else if (strcmp(*argv,"-ign_eof") == 0) 727 c_ign_eof=1; 728 else if (strcmp(*argv,"-no_ign_eof") == 0) 729 c_ign_eof=0; 730 else if (strcmp(*argv,"-pause") == 0) 731 c_Pause=1; 732 else if (strcmp(*argv,"-debug") == 0) 733 c_debug=1; 734#ifndef OPENSSL_NO_TLSEXT 735 else if (strcmp(*argv,"-tlsextdebug") == 0) 736 c_tlsextdebug=1; 737 else if (strcmp(*argv,"-status") == 0) 738 c_status_req=1; 739#endif 740#ifdef WATT32 741 else if (strcmp(*argv,"-wdebug") == 0) 742 dbug_init(); 743#endif 744 else if (strcmp(*argv,"-msg") == 0) 745 c_msg=1; 746 else if (strcmp(*argv,"-showcerts") == 0) 747 c_showcerts=1; 748 else if (strcmp(*argv,"-nbio_test") == 0) 749 nbio_test=1; 750 else if (strcmp(*argv,"-state") == 0) 751 state=1; 752#ifndef OPENSSL_NO_PSK 753 else if (strcmp(*argv,"-psk_identity") == 0) 754 { 755 if (--argc < 1) goto bad; 756 psk_identity=*(++argv); 757 } 758 else if (strcmp(*argv,"-psk") == 0) 759 { 760 size_t j; 761 762 if (--argc < 1) goto bad; 763 psk_key=*(++argv); 764 for (j = 0; j < strlen(psk_key); j++) 765 { 766 if (isxdigit((unsigned char)psk_key[j])) 767 continue; 768 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 769 goto bad; 770 } 771 } 772#endif 773#ifndef OPENSSL_NO_SRP 774 else if (strcmp(*argv,"-srpuser") == 0) 775 { 776 if (--argc < 1) goto bad; 777 srp_arg.srplogin= *(++argv); 778 meth=TLSv1_client_method(); 779 } 780 else if (strcmp(*argv,"-srppass") == 0) 781 { 782 if (--argc < 1) goto bad; 783 srppass= *(++argv); 784 meth=TLSv1_client_method(); 785 } 786 else if (strcmp(*argv,"-srp_strength") == 0) 787 { 788 if (--argc < 1) goto bad; 789 srp_arg.strength=atoi(*(++argv)); 790 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 791 meth=TLSv1_client_method(); 792 } 793 else if (strcmp(*argv,"-srp_lateuser") == 0) 794 { 795 srp_lateuser= 1; 796 meth=TLSv1_client_method(); 797 } 798 else if (strcmp(*argv,"-srp_moregroups") == 0) 799 { 800 srp_arg.amp=1; 801 meth=TLSv1_client_method(); 802 } 803#endif 804#ifndef OPENSSL_NO_SSL2 805 else if (strcmp(*argv,"-ssl2") == 0) 806 meth=SSLv2_client_method(); 807#endif 808#ifndef OPENSSL_NO_SSL3 809 else if (strcmp(*argv,"-ssl3") == 0) 810 meth=SSLv3_client_method(); 811#endif 812#ifndef OPENSSL_NO_TLS1 813 else if (strcmp(*argv,"-tls1_2") == 0) 814 meth=TLSv1_2_client_method(); 815 else if (strcmp(*argv,"-tls1_1") == 0) 816 meth=TLSv1_1_client_method(); 817 else if (strcmp(*argv,"-tls1") == 0) 818 meth=TLSv1_client_method(); 819#endif 820#ifndef OPENSSL_NO_DTLS1 821 else if (strcmp(*argv,"-dtls1") == 0) 822 { 823 meth=DTLSv1_client_method(); 824 socket_type=SOCK_DGRAM; 825 } 826 else if (strcmp(*argv,"-fallback_scsv") == 0) 827 { 828 fallback_scsv = 1; 829 } 830 else if (strcmp(*argv,"-timeout") == 0) 831 enable_timeouts=1; 832 else if (strcmp(*argv,"-mtu") == 0) 833 { 834 if (--argc < 1) goto bad; 835 socket_mtu = atol(*(++argv)); 836 } 837#endif 838 else if (strcmp(*argv,"-bugs") == 0) 839 bugs=1; 840 else if (strcmp(*argv,"-keyform") == 0) 841 { 842 if (--argc < 1) goto bad; 843 key_format = str2fmt(*(++argv)); 844 } 845 else if (strcmp(*argv,"-pass") == 0) 846 { 847 if (--argc < 1) goto bad; 848 passarg = *(++argv); 849 } 850 else if (strcmp(*argv,"-key") == 0) 851 { 852 if (--argc < 1) goto bad; 853 key_file= *(++argv); 854 } 855 else if (strcmp(*argv,"-reconnect") == 0) 856 { 857 reconnect=5; 858 } 859 else if (strcmp(*argv,"-CApath") == 0) 860 { 861 if (--argc < 1) goto bad; 862 CApath= *(++argv); 863 } 864 else if (strcmp(*argv,"-CAfile") == 0) 865 { 866 if (--argc < 1) goto bad; 867 CAfile= *(++argv); 868 } 869 else if (strcmp(*argv,"-no_tls1_2") == 0) 870 off|=SSL_OP_NO_TLSv1_2; 871 else if (strcmp(*argv,"-no_tls1_1") == 0) 872 off|=SSL_OP_NO_TLSv1_1; 873 else if (strcmp(*argv,"-no_tls1") == 0) 874 off|=SSL_OP_NO_TLSv1; 875 else if (strcmp(*argv,"-no_ssl3") == 0) 876 off|=SSL_OP_NO_SSLv3; 877 else if (strcmp(*argv,"-no_ssl2") == 0) 878 off|=SSL_OP_NO_SSLv2; 879 else if (strcmp(*argv,"-no_comp") == 0) 880 { off|=SSL_OP_NO_COMPRESSION; } 881#ifndef OPENSSL_NO_TLSEXT 882 else if (strcmp(*argv,"-no_ticket") == 0) 883 { off|=SSL_OP_NO_TICKET; } 884# ifndef OPENSSL_NO_NEXTPROTONEG 885 else if (strcmp(*argv,"-nextprotoneg") == 0) 886 { 887 if (--argc < 1) goto bad; 888 next_proto_neg_in = *(++argv); 889 } 890# endif 891#endif 892 else if (strcmp(*argv,"-serverpref") == 0) 893 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 894 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 895 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 896 else if (strcmp(*argv,"-legacy_server_connect") == 0) 897 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 898 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 899 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 900 else if (strcmp(*argv,"-cipher") == 0) 901 { 902 if (--argc < 1) goto bad; 903 cipher= *(++argv); 904 } 905#ifdef FIONBIO 906 else if (strcmp(*argv,"-nbio") == 0) 907 { c_nbio=1; } 908#endif 909 else if (strcmp(*argv,"-starttls") == 0) 910 { 911 if (--argc < 1) goto bad; 912 ++argv; 913 if (strcmp(*argv,"smtp") == 0) 914 starttls_proto = PROTO_SMTP; 915 else if (strcmp(*argv,"pop3") == 0) 916 starttls_proto = PROTO_POP3; 917 else if (strcmp(*argv,"imap") == 0) 918 starttls_proto = PROTO_IMAP; 919 else if (strcmp(*argv,"ftp") == 0) 920 starttls_proto = PROTO_FTP; 921 else if (strcmp(*argv, "xmpp") == 0) 922 starttls_proto = PROTO_XMPP; 923 else 924 goto bad; 925 } 926#ifndef OPENSSL_NO_ENGINE 927 else if (strcmp(*argv,"-engine") == 0) 928 { 929 if (--argc < 1) goto bad; 930 engine_id = *(++argv); 931 } 932 else if (strcmp(*argv,"-ssl_client_engine") == 0) 933 { 934 if (--argc < 1) goto bad; 935 ssl_client_engine_id = *(++argv); 936 } 937#endif 938 else if (strcmp(*argv,"-rand") == 0) 939 { 940 if (--argc < 1) goto bad; 941 inrand= *(++argv); 942 } 943#ifndef OPENSSL_NO_TLSEXT 944 else if (strcmp(*argv,"-servername") == 0) 945 { 946 if (--argc < 1) goto bad; 947 servername= *(++argv); 948 /* meth=TLSv1_client_method(); */ 949 } 950#endif 951#ifndef OPENSSL_NO_JPAKE 952 else if (strcmp(*argv,"-jpake") == 0) 953 { 954 if (--argc < 1) goto bad; 955 jpake_secret = *++argv; 956 } 957#endif 958#ifndef OPENSSL_NO_SRTP 959 else if (strcmp(*argv,"-use_srtp") == 0) 960 { 961 if (--argc < 1) goto bad; 962 srtp_profiles = *(++argv); 963 } 964#endif 965 else if (strcmp(*argv,"-keymatexport") == 0) 966 { 967 if (--argc < 1) goto bad; 968 keymatexportlabel= *(++argv); 969 } 970 else if (strcmp(*argv,"-keymatexportlen") == 0) 971 { 972 if (--argc < 1) goto bad; 973 keymatexportlen=atoi(*(++argv)); 974 if (keymatexportlen == 0) goto bad; 975 } 976 else 977 { 978 BIO_printf(bio_err,"unknown option %s\n",*argv); 979 badop=1; 980 break; 981 } 982 argc--; 983 argv++; 984 } 985 if (badop) 986 { 987bad: 988 sc_usage(); 989 goto end; 990 } 991 992#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 993 if (jpake_secret) 994 { 995 if (psk_key) 996 { 997 BIO_printf(bio_err, 998 "Can't use JPAKE and PSK together\n"); 999 goto end; 1000 } 1001 psk_identity = "JPAKE"; 1002 if (cipher) 1003 { 1004 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1005 goto end; 1006 } 1007 cipher = "PSK"; 1008 } 1009#endif 1010 1011 OpenSSL_add_ssl_algorithms(); 1012 SSL_load_error_strings(); 1013 1014#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1015 next_proto.status = -1; 1016 if (next_proto_neg_in) 1017 { 1018 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1019 if (next_proto.data == NULL) 1020 { 1021 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1022 goto end; 1023 } 1024 } 1025 else 1026 next_proto.data = NULL; 1027#endif 1028 1029#ifndef OPENSSL_NO_ENGINE 1030 e = setup_engine(bio_err, engine_id, 1); 1031 if (ssl_client_engine_id) 1032 { 1033 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1034 if (!ssl_client_engine) 1035 { 1036 BIO_printf(bio_err, 1037 "Error getting client auth engine\n"); 1038 goto end; 1039 } 1040 } 1041 1042#endif 1043 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1044 { 1045 BIO_printf(bio_err, "Error getting password\n"); 1046 goto end; 1047 } 1048 1049 if (key_file == NULL) 1050 key_file = cert_file; 1051 1052 1053 if (key_file) 1054 1055 { 1056 1057 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1058 "client certificate private key file"); 1059 if (!key) 1060 { 1061 ERR_print_errors(bio_err); 1062 goto end; 1063 } 1064 1065 } 1066 1067 if (cert_file) 1068 1069 { 1070 cert = load_cert(bio_err,cert_file,cert_format, 1071 NULL, e, "client certificate file"); 1072 1073 if (!cert) 1074 { 1075 ERR_print_errors(bio_err); 1076 goto end; 1077 } 1078 } 1079 1080 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1081 && !RAND_status()) 1082 { 1083 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1084 } 1085 if (inrand != NULL) 1086 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1087 app_RAND_load_files(inrand)); 1088 1089 if (bio_c_out == NULL) 1090 { 1091 if (c_quiet && !c_debug && !c_msg) 1092 { 1093 bio_c_out=BIO_new(BIO_s_null()); 1094 } 1095 else 1096 { 1097 if (bio_c_out == NULL) 1098 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1099 } 1100 } 1101 1102#ifndef OPENSSL_NO_SRP 1103 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1104 { 1105 BIO_printf(bio_err, "Error getting password\n"); 1106 goto end; 1107 } 1108#endif 1109 1110 ctx=SSL_CTX_new(meth); 1111 if (ctx == NULL) 1112 { 1113 ERR_print_errors(bio_err); 1114 goto end; 1115 } 1116 1117 if (vpm) 1118 SSL_CTX_set1_param(ctx, vpm); 1119 1120#ifndef OPENSSL_NO_ENGINE 1121 if (ssl_client_engine) 1122 { 1123 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1124 { 1125 BIO_puts(bio_err, "Error setting client auth engine\n"); 1126 ERR_print_errors(bio_err); 1127 ENGINE_free(ssl_client_engine); 1128 goto end; 1129 } 1130 ENGINE_free(ssl_client_engine); 1131 } 1132#endif 1133 1134#ifndef OPENSSL_NO_PSK 1135#ifdef OPENSSL_NO_JPAKE 1136 if (psk_key != NULL) 1137#else 1138 if (psk_key != NULL || jpake_secret) 1139#endif 1140 { 1141 if (c_debug) 1142 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1143 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1144 } 1145#endif 1146#ifndef OPENSSL_NO_SRTP 1147 if (srtp_profiles != NULL) 1148 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1149#endif 1150 if (bugs) 1151 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1152 else 1153 SSL_CTX_set_options(ctx,off); 1154 1155 if (clr) 1156 SSL_CTX_clear_options(ctx, clr); 1157 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1158 * Setting read ahead solves this problem. 1159 */ 1160 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1161 1162#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1163 if (next_proto.data) 1164 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1165#endif 1166 1167 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1168 if (cipher != NULL) 1169 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1170 BIO_printf(bio_err,"error setting cipher list\n"); 1171 ERR_print_errors(bio_err); 1172 goto end; 1173 } 1174#if 0 1175 else 1176 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1177#endif 1178 1179 SSL_CTX_set_verify(ctx,verify,verify_callback); 1180 if (!set_cert_key_stuff(ctx,cert,key)) 1181 goto end; 1182 1183 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1184 (!SSL_CTX_set_default_verify_paths(ctx))) 1185 { 1186 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1187 ERR_print_errors(bio_err); 1188 /* goto end; */ 1189 } 1190 1191#ifndef OPENSSL_NO_TLSEXT 1192 if (servername != NULL) 1193 { 1194 tlsextcbp.biodebug = bio_err; 1195 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1196 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1197 } 1198#ifndef OPENSSL_NO_SRP 1199 if (srp_arg.srplogin) 1200 { 1201 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1202 { 1203 BIO_printf(bio_err,"Unable to set SRP username\n"); 1204 goto end; 1205 } 1206 srp_arg.msg = c_msg; 1207 srp_arg.debug = c_debug ; 1208 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1209 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1210 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1211 if (c_msg || c_debug || srp_arg.amp == 0) 1212 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1213 } 1214 1215#endif 1216#endif 1217 1218 con=SSL_new(ctx); 1219 if (sess_in) 1220 { 1221 SSL_SESSION *sess; 1222 BIO *stmp = BIO_new_file(sess_in, "r"); 1223 if (!stmp) 1224 { 1225 BIO_printf(bio_err, "Can't open session file %s\n", 1226 sess_in); 1227 ERR_print_errors(bio_err); 1228 goto end; 1229 } 1230 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1231 BIO_free(stmp); 1232 if (!sess) 1233 { 1234 BIO_printf(bio_err, "Can't open session file %s\n", 1235 sess_in); 1236 ERR_print_errors(bio_err); 1237 goto end; 1238 } 1239 SSL_set_session(con, sess); 1240 SSL_SESSION_free(sess); 1241 } 1242 1243 if (fallback_scsv) 1244 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1245 1246#ifndef OPENSSL_NO_TLSEXT 1247 if (servername != NULL) 1248 { 1249 if (!SSL_set_tlsext_host_name(con,servername)) 1250 { 1251 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1252 ERR_print_errors(bio_err); 1253 goto end; 1254 } 1255 } 1256#endif 1257#ifndef OPENSSL_NO_KRB5 1258 if (con && (kctx = kssl_ctx_new()) != NULL) 1259 { 1260 SSL_set0_kssl_ctx(con, kctx); 1261 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1262 } 1263#endif /* OPENSSL_NO_KRB5 */ 1264/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1265#if 0 1266#ifdef TLSEXT_TYPE_opaque_prf_input 1267 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1268#endif 1269#endif 1270 1271re_start: 1272 1273 if (init_client(&s,host,port,socket_type) == 0) 1274 { 1275 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1276 SHUTDOWN(s); 1277 goto end; 1278 } 1279 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1280 1281#ifdef FIONBIO 1282 if (c_nbio) 1283 { 1284 unsigned long l=1; 1285 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1286 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1287 { 1288 ERR_print_errors(bio_err); 1289 goto end; 1290 } 1291 } 1292#endif 1293 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1294 1295 if ( SSL_version(con) == DTLS1_VERSION) 1296 { 1297 1298 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1299 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1300 { 1301 BIO_printf(bio_err, "getsockname:errno=%d\n", 1302 get_last_socket_error()); 1303 SHUTDOWN(s); 1304 goto end; 1305 } 1306 1307 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1308 1309 if (enable_timeouts) 1310 { 1311 timeout.tv_sec = 0; 1312 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1313 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1314 1315 timeout.tv_sec = 0; 1316 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1317 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1318 } 1319 1320 if (socket_mtu > 28) 1321 { 1322 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1323 SSL_set_mtu(con, socket_mtu - 28); 1324 } 1325 else 1326 /* want to do MTU discovery */ 1327 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1328 } 1329 else 1330 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1331 1332 if (nbio_test) 1333 { 1334 BIO *test; 1335 1336 test=BIO_new(BIO_f_nbio_test()); 1337 sbio=BIO_push(test,sbio); 1338 } 1339 1340 if (c_debug) 1341 { 1342 SSL_set_debug(con, 1); 1343 BIO_set_callback(sbio,bio_dump_callback); 1344 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1345 } 1346 if (c_msg) 1347 { 1348 SSL_set_msg_callback(con, msg_cb); 1349 SSL_set_msg_callback_arg(con, bio_c_out); 1350 } 1351#ifndef OPENSSL_NO_TLSEXT 1352 if (c_tlsextdebug) 1353 { 1354 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1355 SSL_set_tlsext_debug_arg(con, bio_c_out); 1356 } 1357 if (c_status_req) 1358 { 1359 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1360 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1361 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1362#if 0 1363{ 1364STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1365OCSP_RESPID *id = OCSP_RESPID_new(); 1366id->value.byKey = ASN1_OCTET_STRING_new(); 1367id->type = V_OCSP_RESPID_KEY; 1368ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1369sk_OCSP_RESPID_push(ids, id); 1370SSL_set_tlsext_status_ids(con, ids); 1371} 1372#endif 1373 } 1374#endif 1375#ifndef OPENSSL_NO_JPAKE 1376 if (jpake_secret) 1377 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1378#endif 1379 1380 SSL_set_bio(con,sbio,sbio); 1381 SSL_set_connect_state(con); 1382 1383 /* ok, lets connect */ 1384 width=SSL_get_fd(con)+1; 1385 1386 read_tty=1; 1387 write_tty=0; 1388 tty_on=0; 1389 read_ssl=1; 1390 write_ssl=1; 1391 1392 cbuf_len=0; 1393 cbuf_off=0; 1394 sbuf_len=0; 1395 sbuf_off=0; 1396 1397 /* This is an ugly hack that does a lot of assumptions */ 1398 /* We do have to handle multi-line responses which may come 1399 in a single packet or not. We therefore have to use 1400 BIO_gets() which does need a buffering BIO. So during 1401 the initial chitchat we do push a buffering BIO into the 1402 chain that is removed again later on to not disturb the 1403 rest of the s_client operation. */ 1404 if (starttls_proto == PROTO_SMTP) 1405 { 1406 int foundit=0; 1407 BIO *fbio = BIO_new(BIO_f_buffer()); 1408 BIO_push(fbio, sbio); 1409 /* wait for multi-line response to end from SMTP */ 1410 do 1411 { 1412 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1413 } 1414 while (mbuf_len>3 && mbuf[3]=='-'); 1415 /* STARTTLS command requires EHLO... */ 1416 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1417 (void)BIO_flush(fbio); 1418 /* wait for multi-line response to end EHLO SMTP response */ 1419 do 1420 { 1421 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1422 if (strstr(mbuf,"STARTTLS")) 1423 foundit=1; 1424 } 1425 while (mbuf_len>3 && mbuf[3]=='-'); 1426 (void)BIO_flush(fbio); 1427 BIO_pop(fbio); 1428 BIO_free(fbio); 1429 if (!foundit) 1430 BIO_printf(bio_err, 1431 "didn't found starttls in server response," 1432 " try anyway...\n"); 1433 BIO_printf(sbio,"STARTTLS\r\n"); 1434 BIO_read(sbio,sbuf,BUFSIZZ); 1435 } 1436 else if (starttls_proto == PROTO_POP3) 1437 { 1438 BIO_read(sbio,mbuf,BUFSIZZ); 1439 BIO_printf(sbio,"STLS\r\n"); 1440 BIO_read(sbio,sbuf,BUFSIZZ); 1441 } 1442 else if (starttls_proto == PROTO_IMAP) 1443 { 1444 int foundit=0; 1445 BIO *fbio = BIO_new(BIO_f_buffer()); 1446 BIO_push(fbio, sbio); 1447 BIO_gets(fbio,mbuf,BUFSIZZ); 1448 /* STARTTLS command requires CAPABILITY... */ 1449 BIO_printf(fbio,". CAPABILITY\r\n"); 1450 (void)BIO_flush(fbio); 1451 /* wait for multi-line CAPABILITY response */ 1452 do 1453 { 1454 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1455 if (strstr(mbuf,"STARTTLS")) 1456 foundit=1; 1457 } 1458 while (mbuf_len>3 && mbuf[0]!='.'); 1459 (void)BIO_flush(fbio); 1460 BIO_pop(fbio); 1461 BIO_free(fbio); 1462 if (!foundit) 1463 BIO_printf(bio_err, 1464 "didn't found STARTTLS in server response," 1465 " try anyway...\n"); 1466 BIO_printf(sbio,". STARTTLS\r\n"); 1467 BIO_read(sbio,sbuf,BUFSIZZ); 1468 } 1469 else if (starttls_proto == PROTO_FTP) 1470 { 1471 BIO *fbio = BIO_new(BIO_f_buffer()); 1472 BIO_push(fbio, sbio); 1473 /* wait for multi-line response to end from FTP */ 1474 do 1475 { 1476 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1477 } 1478 while (mbuf_len>3 && mbuf[3]=='-'); 1479 (void)BIO_flush(fbio); 1480 BIO_pop(fbio); 1481 BIO_free(fbio); 1482 BIO_printf(sbio,"AUTH TLS\r\n"); 1483 BIO_read(sbio,sbuf,BUFSIZZ); 1484 } 1485 if (starttls_proto == PROTO_XMPP) 1486 { 1487 int seen = 0; 1488 BIO_printf(sbio,"<stream:stream " 1489 "xmlns:stream='http://etherx.jabber.org/streams' " 1490 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1491 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1492 mbuf[seen] = 0; 1493 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1494 { 1495 if (strstr(mbuf, "/stream:features>")) 1496 goto shut; 1497 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1498 mbuf[seen] = 0; 1499 } 1500 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1501 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1502 sbuf[seen] = 0; 1503 if (!strstr(sbuf, "<proceed")) 1504 goto shut; 1505 mbuf[0] = 0; 1506 } 1507 1508 for (;;) 1509 { 1510 FD_ZERO(&readfds); 1511 FD_ZERO(&writefds); 1512 1513 if ((SSL_version(con) == DTLS1_VERSION) && 1514 DTLSv1_get_timeout(con, &timeout)) 1515 timeoutp = &timeout; 1516 else 1517 timeoutp = NULL; 1518 1519 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1520 { 1521 in_init=1; 1522 tty_on=0; 1523 } 1524 else 1525 { 1526 tty_on=1; 1527 if (in_init) 1528 { 1529 in_init=0; 1530#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1531#ifndef OPENSSL_NO_TLSEXT 1532 if (servername != NULL && !SSL_session_reused(con)) 1533 { 1534 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1535 } 1536#endif 1537#endif 1538 if (sess_out) 1539 { 1540 BIO *stmp = BIO_new_file(sess_out, "w"); 1541 if (stmp) 1542 { 1543 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1544 BIO_free(stmp); 1545 } 1546 else 1547 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1548 } 1549 print_stuff(bio_c_out,con,full_log); 1550 if (full_log > 0) full_log--; 1551 1552 if (starttls_proto) 1553 { 1554 BIO_printf(bio_err,"%s",mbuf); 1555 /* We don't need to know any more */ 1556 starttls_proto = PROTO_OFF; 1557 } 1558 1559 if (reconnect) 1560 { 1561 reconnect--; 1562 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1563 SSL_shutdown(con); 1564 SSL_set_connect_state(con); 1565 SHUTDOWN(SSL_get_fd(con)); 1566 goto re_start; 1567 } 1568 } 1569 } 1570 1571 ssl_pending = read_ssl && SSL_pending(con); 1572 1573 if (!ssl_pending) 1574 { 1575#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1576 if (tty_on) 1577 { 1578 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1579 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1580 } 1581 if (read_ssl) 1582 openssl_fdset(SSL_get_fd(con),&readfds); 1583 if (write_ssl) 1584 openssl_fdset(SSL_get_fd(con),&writefds); 1585#else 1586 if(!tty_on || !write_tty) { 1587 if (read_ssl) 1588 openssl_fdset(SSL_get_fd(con),&readfds); 1589 if (write_ssl) 1590 openssl_fdset(SSL_get_fd(con),&writefds); 1591 } 1592#endif 1593/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1594 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1595 1596 /* Note: under VMS with SOCKETSHR the second parameter 1597 * is currently of type (int *) whereas under other 1598 * systems it is (void *) if you don't have a cast it 1599 * will choke the compiler: if you do have a cast then 1600 * you can either go for (int *) or (void *). 1601 */ 1602#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1603 /* Under Windows/DOS we make the assumption that we can 1604 * always write to the tty: therefore if we need to 1605 * write to the tty we just fall through. Otherwise 1606 * we timeout the select every second and see if there 1607 * are any keypresses. Note: this is a hack, in a proper 1608 * Windows application we wouldn't do this. 1609 */ 1610 i=0; 1611 if(!write_tty) { 1612 if(read_tty) { 1613 tv.tv_sec = 1; 1614 tv.tv_usec = 0; 1615 i=select(width,(void *)&readfds,(void *)&writefds, 1616 NULL,&tv); 1617#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1618 if(!i && (!_kbhit() || !read_tty) ) continue; 1619#else 1620 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1621#endif 1622 } else i=select(width,(void *)&readfds,(void *)&writefds, 1623 NULL,timeoutp); 1624 } 1625#elif defined(OPENSSL_SYS_NETWARE) 1626 if(!write_tty) { 1627 if(read_tty) { 1628 tv.tv_sec = 1; 1629 tv.tv_usec = 0; 1630 i=select(width,(void *)&readfds,(void *)&writefds, 1631 NULL,&tv); 1632 } else i=select(width,(void *)&readfds,(void *)&writefds, 1633 NULL,timeoutp); 1634 } 1635#elif defined(OPENSSL_SYS_BEOS_R5) 1636 /* Under BeOS-R5 the situation is similar to DOS */ 1637 i=0; 1638 stdin_set = 0; 1639 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1640 if(!write_tty) { 1641 if(read_tty) { 1642 tv.tv_sec = 1; 1643 tv.tv_usec = 0; 1644 i=select(width,(void *)&readfds,(void *)&writefds, 1645 NULL,&tv); 1646 if (read(fileno(stdin), sbuf, 0) >= 0) 1647 stdin_set = 1; 1648 if (!i && (stdin_set != 1 || !read_tty)) 1649 continue; 1650 } else i=select(width,(void *)&readfds,(void *)&writefds, 1651 NULL,timeoutp); 1652 } 1653 (void)fcntl(fileno(stdin), F_SETFL, 0); 1654#else 1655 i=select(width,(void *)&readfds,(void *)&writefds, 1656 NULL,timeoutp); 1657#endif 1658 if ( i < 0) 1659 { 1660 BIO_printf(bio_err,"bad select %d\n", 1661 get_last_socket_error()); 1662 goto shut; 1663 /* goto end; */ 1664 } 1665 } 1666 1667 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1668 { 1669 BIO_printf(bio_err,"TIMEOUT occured\n"); 1670 } 1671 1672 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1673 { 1674 k=SSL_write(con,&(cbuf[cbuf_off]), 1675 (unsigned int)cbuf_len); 1676 switch (SSL_get_error(con,k)) 1677 { 1678 case SSL_ERROR_NONE: 1679 cbuf_off+=k; 1680 cbuf_len-=k; 1681 if (k <= 0) goto end; 1682 /* we have done a write(con,NULL,0); */ 1683 if (cbuf_len <= 0) 1684 { 1685 read_tty=1; 1686 write_ssl=0; 1687 } 1688 else /* if (cbuf_len > 0) */ 1689 { 1690 read_tty=0; 1691 write_ssl=1; 1692 } 1693 break; 1694 case SSL_ERROR_WANT_WRITE: 1695 BIO_printf(bio_c_out,"write W BLOCK\n"); 1696 write_ssl=1; 1697 read_tty=0; 1698 break; 1699 case SSL_ERROR_WANT_READ: 1700 BIO_printf(bio_c_out,"write R BLOCK\n"); 1701 write_tty=0; 1702 read_ssl=1; 1703 write_ssl=0; 1704 break; 1705 case SSL_ERROR_WANT_X509_LOOKUP: 1706 BIO_printf(bio_c_out,"write X BLOCK\n"); 1707 break; 1708 case SSL_ERROR_ZERO_RETURN: 1709 if (cbuf_len != 0) 1710 { 1711 BIO_printf(bio_c_out,"shutdown\n"); 1712 ret = 0; 1713 goto shut; 1714 } 1715 else 1716 { 1717 read_tty=1; 1718 write_ssl=0; 1719 break; 1720 } 1721 1722 case SSL_ERROR_SYSCALL: 1723 if ((k != 0) || (cbuf_len != 0)) 1724 { 1725 BIO_printf(bio_err,"write:errno=%d\n", 1726 get_last_socket_error()); 1727 goto shut; 1728 } 1729 else 1730 { 1731 read_tty=1; 1732 write_ssl=0; 1733 } 1734 break; 1735 case SSL_ERROR_SSL: 1736 ERR_print_errors(bio_err); 1737 goto shut; 1738 } 1739 } 1740#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1741 /* Assume Windows/DOS/BeOS can always write */ 1742 else if (!ssl_pending && write_tty) 1743#else 1744 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1745#endif 1746 { 1747#ifdef CHARSET_EBCDIC 1748 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1749#endif 1750 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1751 1752 if (i <= 0) 1753 { 1754 BIO_printf(bio_c_out,"DONE\n"); 1755 ret = 0; 1756 goto shut; 1757 /* goto end; */ 1758 } 1759 1760 sbuf_len-=i;; 1761 sbuf_off+=i; 1762 if (sbuf_len <= 0) 1763 { 1764 read_ssl=1; 1765 write_tty=0; 1766 } 1767 } 1768 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1769 { 1770#ifdef RENEG 1771{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1772#endif 1773#if 1 1774 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1775#else 1776/* Demo for pending and peek :-) */ 1777 k=SSL_read(con,sbuf,16); 1778{ char zbuf[10240]; 1779printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1780} 1781#endif 1782 1783 switch (SSL_get_error(con,k)) 1784 { 1785 case SSL_ERROR_NONE: 1786 if (k <= 0) 1787 goto end; 1788 sbuf_off=0; 1789 sbuf_len=k; 1790 1791 read_ssl=0; 1792 write_tty=1; 1793 break; 1794 case SSL_ERROR_WANT_WRITE: 1795 BIO_printf(bio_c_out,"read W BLOCK\n"); 1796 write_ssl=1; 1797 read_tty=0; 1798 break; 1799 case SSL_ERROR_WANT_READ: 1800 BIO_printf(bio_c_out,"read R BLOCK\n"); 1801 write_tty=0; 1802 read_ssl=1; 1803 if ((read_tty == 0) && (write_ssl == 0)) 1804 write_ssl=1; 1805 break; 1806 case SSL_ERROR_WANT_X509_LOOKUP: 1807 BIO_printf(bio_c_out,"read X BLOCK\n"); 1808 break; 1809 case SSL_ERROR_SYSCALL: 1810 ret=get_last_socket_error(); 1811 BIO_printf(bio_err,"read:errno=%d\n",ret); 1812 goto shut; 1813 case SSL_ERROR_ZERO_RETURN: 1814 BIO_printf(bio_c_out,"closed\n"); 1815 ret=0; 1816 goto shut; 1817 case SSL_ERROR_SSL: 1818 ERR_print_errors(bio_err); 1819 goto shut; 1820 /* break; */ 1821 } 1822 } 1823 1824#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1825#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1826 else if (_kbhit()) 1827#else 1828 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1829#endif 1830#elif defined (OPENSSL_SYS_NETWARE) 1831 else if (_kbhit()) 1832#elif defined(OPENSSL_SYS_BEOS_R5) 1833 else if (stdin_set) 1834#else 1835 else if (FD_ISSET(fileno(stdin),&readfds)) 1836#endif 1837 { 1838 if (crlf) 1839 { 1840 int j, lf_num; 1841 1842 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1843 lf_num = 0; 1844 /* both loops are skipped when i <= 0 */ 1845 for (j = 0; j < i; j++) 1846 if (cbuf[j] == '\n') 1847 lf_num++; 1848 for (j = i-1; j >= 0; j--) 1849 { 1850 cbuf[j+lf_num] = cbuf[j]; 1851 if (cbuf[j] == '\n') 1852 { 1853 lf_num--; 1854 i++; 1855 cbuf[j+lf_num] = '\r'; 1856 } 1857 } 1858 assert(lf_num == 0); 1859 } 1860 else 1861 i=raw_read_stdin(cbuf,BUFSIZZ); 1862 1863 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1864 { 1865 BIO_printf(bio_err,"DONE\n"); 1866 ret=0; 1867 goto shut; 1868 } 1869 1870 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1871 { 1872 BIO_printf(bio_err,"RENEGOTIATING\n"); 1873 SSL_renegotiate(con); 1874 cbuf_len=0; 1875 } 1876#ifndef OPENSSL_NO_HEARTBEATS 1877 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1878 { 1879 BIO_printf(bio_err,"HEARTBEATING\n"); 1880 SSL_heartbeat(con); 1881 cbuf_len=0; 1882 } 1883#endif 1884 else 1885 { 1886 cbuf_len=i; 1887 cbuf_off=0; 1888#ifdef CHARSET_EBCDIC 1889 ebcdic2ascii(cbuf, cbuf, i); 1890#endif 1891 } 1892 1893 write_ssl=1; 1894 read_tty=0; 1895 } 1896 } 1897 1898 ret=0; 1899shut: 1900 if (in_init) 1901 print_stuff(bio_c_out,con,full_log); 1902 SSL_shutdown(con); 1903 SHUTDOWN(SSL_get_fd(con)); 1904end: 1905 if (con != NULL) 1906 { 1907 if (prexit != 0) 1908 print_stuff(bio_c_out,con,1); 1909 SSL_free(con); 1910 } 1911#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1912 if (next_proto.data) 1913 OPENSSL_free(next_proto.data); 1914#endif 1915 if (ctx != NULL) SSL_CTX_free(ctx); 1916 if (cert) 1917 X509_free(cert); 1918 if (key) 1919 EVP_PKEY_free(key); 1920 if (pass) 1921 OPENSSL_free(pass); 1922 if (vpm) 1923 X509_VERIFY_PARAM_free(vpm); 1924 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1925 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1926 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1927 if (bio_c_out != NULL) 1928 { 1929 BIO_free(bio_c_out); 1930 bio_c_out=NULL; 1931 } 1932 apps_shutdown(); 1933 OPENSSL_EXIT(ret); 1934 } 1935 1936 1937static void print_stuff(BIO *bio, SSL *s, int full) 1938 { 1939 X509 *peer=NULL; 1940 char *p; 1941 static const char *space=" "; 1942 char buf[BUFSIZ]; 1943 STACK_OF(X509) *sk; 1944 STACK_OF(X509_NAME) *sk2; 1945 const SSL_CIPHER *c; 1946 X509_NAME *xn; 1947 int j,i; 1948#ifndef OPENSSL_NO_COMP 1949 const COMP_METHOD *comp, *expansion; 1950#endif 1951 unsigned char *exportedkeymat; 1952 1953 if (full) 1954 { 1955 int got_a_chain = 0; 1956 1957 sk=SSL_get_peer_cert_chain(s); 1958 if (sk != NULL) 1959 { 1960 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1961 1962 BIO_printf(bio,"---\nCertificate chain\n"); 1963 for (i=0; i<sk_X509_num(sk); i++) 1964 { 1965 X509_NAME_oneline(X509_get_subject_name( 1966 sk_X509_value(sk,i)),buf,sizeof buf); 1967 BIO_printf(bio,"%2d s:%s\n",i,buf); 1968 X509_NAME_oneline(X509_get_issuer_name( 1969 sk_X509_value(sk,i)),buf,sizeof buf); 1970 BIO_printf(bio," i:%s\n",buf); 1971 if (c_showcerts) 1972 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1973 } 1974 } 1975 1976 BIO_printf(bio,"---\n"); 1977 peer=SSL_get_peer_certificate(s); 1978 if (peer != NULL) 1979 { 1980 BIO_printf(bio,"Server certificate\n"); 1981 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1982 PEM_write_bio_X509(bio,peer); 1983 X509_NAME_oneline(X509_get_subject_name(peer), 1984 buf,sizeof buf); 1985 BIO_printf(bio,"subject=%s\n",buf); 1986 X509_NAME_oneline(X509_get_issuer_name(peer), 1987 buf,sizeof buf); 1988 BIO_printf(bio,"issuer=%s\n",buf); 1989 } 1990 else 1991 BIO_printf(bio,"no peer certificate available\n"); 1992 1993 sk2=SSL_get_client_CA_list(s); 1994 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1995 { 1996 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1997 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1998 { 1999 xn=sk_X509_NAME_value(sk2,i); 2000 X509_NAME_oneline(xn,buf,sizeof(buf)); 2001 BIO_write(bio,buf,strlen(buf)); 2002 BIO_write(bio,"\n",1); 2003 } 2004 } 2005 else 2006 { 2007 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2008 } 2009 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2010 if (p != NULL) 2011 { 2012 /* This works only for SSL 2. In later protocol 2013 * versions, the client does not know what other 2014 * ciphers (in addition to the one to be used 2015 * in the current connection) the server supports. */ 2016 2017 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2018 j=i=0; 2019 while (*p) 2020 { 2021 if (*p == ':') 2022 { 2023 BIO_write(bio,space,15-j%25); 2024 i++; 2025 j=0; 2026 BIO_write(bio,((i%3)?" ":"\n"),1); 2027 } 2028 else 2029 { 2030 BIO_write(bio,p,1); 2031 j++; 2032 } 2033 p++; 2034 } 2035 BIO_write(bio,"\n",1); 2036 } 2037 2038 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2039 BIO_number_read(SSL_get_rbio(s)), 2040 BIO_number_written(SSL_get_wbio(s))); 2041 } 2042 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2043 c=SSL_get_current_cipher(s); 2044 BIO_printf(bio,"%s, Cipher is %s\n", 2045 SSL_CIPHER_get_version(c), 2046 SSL_CIPHER_get_name(c)); 2047 if (peer != NULL) { 2048 EVP_PKEY *pktmp; 2049 pktmp = X509_get_pubkey(peer); 2050 BIO_printf(bio,"Server public key is %d bit\n", 2051 EVP_PKEY_bits(pktmp)); 2052 EVP_PKEY_free(pktmp); 2053 } 2054 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2055 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2056#ifndef OPENSSL_NO_COMP 2057 comp=SSL_get_current_compression(s); 2058 expansion=SSL_get_current_expansion(s); 2059 BIO_printf(bio,"Compression: %s\n", 2060 comp ? SSL_COMP_get_name(comp) : "NONE"); 2061 BIO_printf(bio,"Expansion: %s\n", 2062 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2063#endif 2064 2065#ifdef SSL_DEBUG 2066 { 2067 /* Print out local port of connection: useful for debugging */ 2068 int sock; 2069 struct sockaddr_in ladd; 2070 socklen_t ladd_size = sizeof(ladd); 2071 sock = SSL_get_fd(s); 2072 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2073 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2074 } 2075#endif 2076 2077#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2078 if (next_proto.status != -1) { 2079 const unsigned char *proto; 2080 unsigned int proto_len; 2081 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2082 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2083 BIO_write(bio, proto, proto_len); 2084 BIO_write(bio, "\n", 1); 2085 } 2086#endif 2087 2088#ifndef OPENSSL_NO_SRTP 2089 { 2090 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2091 2092 if(srtp_profile) 2093 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2094 srtp_profile->name); 2095 } 2096#endif 2097 2098 SSL_SESSION_print(bio,SSL_get_session(s)); 2099 if (keymatexportlabel != NULL) 2100 { 2101 BIO_printf(bio, "Keying material exporter:\n"); 2102 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2103 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2104 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2105 if (exportedkeymat != NULL) 2106 { 2107 if (!SSL_export_keying_material(s, exportedkeymat, 2108 keymatexportlen, 2109 keymatexportlabel, 2110 strlen(keymatexportlabel), 2111 NULL, 0, 0)) 2112 { 2113 BIO_printf(bio, " Error\n"); 2114 } 2115 else 2116 { 2117 BIO_printf(bio, " Keying material: "); 2118 for (i=0; i<keymatexportlen; i++) 2119 BIO_printf(bio, "%02X", 2120 exportedkeymat[i]); 2121 BIO_printf(bio, "\n"); 2122 } 2123 OPENSSL_free(exportedkeymat); 2124 } 2125 } 2126 BIO_printf(bio,"---\n"); 2127 if (peer != NULL) 2128 X509_free(peer); 2129 /* flush, or debugging output gets mixed with http response */ 2130 (void)BIO_flush(bio); 2131 } 2132 2133#ifndef OPENSSL_NO_TLSEXT 2134 2135static int ocsp_resp_cb(SSL *s, void *arg) 2136 { 2137 const unsigned char *p; 2138 int len; 2139 OCSP_RESPONSE *rsp; 2140 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2141 BIO_puts(arg, "OCSP response: "); 2142 if (!p) 2143 { 2144 BIO_puts(arg, "no response sent\n"); 2145 return 1; 2146 } 2147 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2148 if (!rsp) 2149 { 2150 BIO_puts(arg, "response parse error\n"); 2151 BIO_dump_indent(arg, (char *)p, len, 4); 2152 return 0; 2153 } 2154 BIO_puts(arg, "\n======================================\n"); 2155 OCSP_RESPONSE_print(arg, rsp, 0); 2156 BIO_puts(arg, "======================================\n"); 2157 OCSP_RESPONSE_free(rsp); 2158 return 1; 2159 } 2160 2161#endif 2162