s_client.c revision 269686
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," -mtu - set the link layer MTU\n"); 341 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 342 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 343 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 344 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 345 BIO_printf(bio_err," command to see what is available\n"); 346 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 347 BIO_printf(bio_err," for those protocols that support it, where\n"); 348 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 349 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 350 BIO_printf(bio_err," are supported.\n"); 351#ifndef OPENSSL_NO_ENGINE 352 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 353#endif 354 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 355 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 356 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 357#ifndef OPENSSL_NO_TLSEXT 358 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 359 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 360 BIO_printf(bio_err," -status - request certificate status from server\n"); 361 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 362# ifndef OPENSSL_NO_NEXTPROTONEG 363 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 364# endif 365#endif 366 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 367#ifndef OPENSSL_NO_SRTP 368 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 369#endif 370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 372 } 373 374#ifndef OPENSSL_NO_TLSEXT 375 376/* This is a context that we pass to callbacks */ 377typedef struct tlsextctx_st { 378 BIO * biodebug; 379 int ack; 380} tlsextctx; 381 382 383static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 384 { 385 tlsextctx * p = (tlsextctx *) arg; 386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 387 if (SSL_get_servername_type(s) != -1) 388 p->ack = !SSL_session_reused(s) && hn != NULL; 389 else 390 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 391 392 return SSL_TLSEXT_ERR_OK; 393 } 394 395#ifndef OPENSSL_NO_SRP 396 397/* This is a context that we pass to all callbacks */ 398typedef struct srp_arg_st 399 { 400 char *srppassin; 401 char *srplogin; 402 int msg; /* copy from c_msg */ 403 int debug; /* copy from c_debug */ 404 int amp; /* allow more groups */ 405 int strength /* minimal size for N */ ; 406 } SRP_ARG; 407 408#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 409 410static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 411 { 412 BN_CTX *bn_ctx = BN_CTX_new(); 413 BIGNUM *p = BN_new(); 414 BIGNUM *r = BN_new(); 415 int ret = 416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 418 p != NULL && BN_rshift1(p, N) && 419 420 /* p = (N-1)/2 */ 421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 422 r != NULL && 423 424 /* verify g^((N-1)/2) == -1 (mod N) */ 425 BN_mod_exp(r, g, p, N, bn_ctx) && 426 BN_add_word(r, 1) && 427 BN_cmp(r, N) == 0; 428 429 if(r) 430 BN_free(r); 431 if(p) 432 BN_free(p); 433 if(bn_ctx) 434 BN_CTX_free(bn_ctx); 435 return ret; 436 } 437 438/* This callback is used here for two purposes: 439 - extended debugging 440 - making some primality tests for unknown groups 441 The callback is only called for a non default group. 442 443 An application does not need the call back at all if 444 only the stanard groups are used. In real life situations, 445 client and server already share well known groups, 446 thus there is no need to verify them. 447 Furthermore, in case that a server actually proposes a group that 448 is not one of those defined in RFC 5054, it is more appropriate 449 to add the group to a static list and then compare since 450 primality tests are rather cpu consuming. 451*/ 452 453static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 454 { 455 SRP_ARG *srp_arg = (SRP_ARG *)arg; 456 BIGNUM *N = NULL, *g = NULL; 457 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 458 return 0; 459 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 460 { 461 BIO_printf(bio_err, "SRP parameters:\n"); 462 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 463 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 464 BIO_printf(bio_err,"\n"); 465 } 466 467 if (SRP_check_known_gN_param(g,N)) 468 return 1; 469 470 if (srp_arg->amp == 1) 471 { 472 if (srp_arg->debug) 473 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 474 475/* The srp_moregroups is a real debugging feature. 476 Implementors should rather add the value to the known ones. 477 The minimal size has already been tested. 478*/ 479 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 480 return 1; 481 } 482 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 483 return 0; 484 } 485 486#define PWD_STRLEN 1024 487 488static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 489 { 490 SRP_ARG *srp_arg = (SRP_ARG *)arg; 491 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 492 PW_CB_DATA cb_tmp; 493 int l; 494 495 cb_tmp.password = (char *)srp_arg->srppassin; 496 cb_tmp.prompt_info = "SRP user"; 497 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 498 { 499 BIO_printf (bio_err, "Can't read Password\n"); 500 OPENSSL_free(pass); 501 return NULL; 502 } 503 *(pass+l)= '\0'; 504 505 return pass; 506 } 507 508#endif 509#ifndef OPENSSL_NO_SRTP 510 char *srtp_profiles = NULL; 511#endif 512 513# ifndef OPENSSL_NO_NEXTPROTONEG 514/* This the context that we pass to next_proto_cb */ 515typedef struct tlsextnextprotoctx_st { 516 unsigned char *data; 517 unsigned short len; 518 int status; 519} tlsextnextprotoctx; 520 521static tlsextnextprotoctx next_proto; 522 523static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 524 { 525 tlsextnextprotoctx *ctx = arg; 526 527 if (!c_quiet) 528 { 529 /* We can assume that |in| is syntactically valid. */ 530 unsigned i; 531 BIO_printf(bio_c_out, "Protocols advertised by server: "); 532 for (i = 0; i < inlen; ) 533 { 534 if (i) 535 BIO_write(bio_c_out, ", ", 2); 536 BIO_write(bio_c_out, &in[i + 1], in[i]); 537 i += in[i] + 1; 538 } 539 BIO_write(bio_c_out, "\n", 1); 540 } 541 542 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 543 return SSL_TLSEXT_ERR_OK; 544 } 545# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 546#endif 547 548enum 549{ 550 PROTO_OFF = 0, 551 PROTO_SMTP, 552 PROTO_POP3, 553 PROTO_IMAP, 554 PROTO_FTP, 555 PROTO_XMPP 556}; 557 558int MAIN(int, char **); 559 560int MAIN(int argc, char **argv) 561 { 562 unsigned int off=0, clr=0; 563 SSL *con=NULL; 564#ifndef OPENSSL_NO_KRB5 565 KSSL_CTX *kctx; 566#endif 567 int s,k,width,state=0; 568 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 569 int cbuf_len,cbuf_off; 570 int sbuf_len,sbuf_off; 571 fd_set readfds,writefds; 572 short port=PORT; 573 int full_log=1; 574 char *host=SSL_HOST_NAME; 575 char *cert_file=NULL,*key_file=NULL; 576 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 577 char *passarg = NULL, *pass = NULL; 578 X509 *cert = NULL; 579 EVP_PKEY *key = NULL; 580 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 581 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 582 int crlf=0; 583 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 584 SSL_CTX *ctx=NULL; 585 int ret=1,in_init=1,i,nbio_test=0; 586 int starttls_proto = PROTO_OFF; 587 int prexit = 0; 588 X509_VERIFY_PARAM *vpm = NULL; 589 int badarg = 0; 590 const SSL_METHOD *meth=NULL; 591 int socket_type=SOCK_STREAM; 592 BIO *sbio; 593 char *inrand=NULL; 594 int mbuf_len=0; 595 struct timeval timeout, *timeoutp; 596#ifndef OPENSSL_NO_ENGINE 597 char *engine_id=NULL; 598 char *ssl_client_engine_id=NULL; 599 ENGINE *ssl_client_engine=NULL; 600#endif 601 ENGINE *e=NULL; 602#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 603 struct timeval tv; 604#if defined(OPENSSL_SYS_BEOS_R5) 605 int stdin_set = 0; 606#endif 607#endif 608#ifndef OPENSSL_NO_TLSEXT 609 char *servername = NULL; 610 tlsextctx tlsextcbp = 611 {NULL,0}; 612# ifndef OPENSSL_NO_NEXTPROTONEG 613 const char *next_proto_neg_in = NULL; 614# endif 615#endif 616 char *sess_in = NULL; 617 char *sess_out = NULL; 618 struct sockaddr peer; 619 int peerlen = sizeof(peer); 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,"-timeout") == 0) 827 enable_timeouts=1; 828 else if (strcmp(*argv,"-mtu") == 0) 829 { 830 if (--argc < 1) goto bad; 831 socket_mtu = atol(*(++argv)); 832 } 833#endif 834 else if (strcmp(*argv,"-bugs") == 0) 835 bugs=1; 836 else if (strcmp(*argv,"-keyform") == 0) 837 { 838 if (--argc < 1) goto bad; 839 key_format = str2fmt(*(++argv)); 840 } 841 else if (strcmp(*argv,"-pass") == 0) 842 { 843 if (--argc < 1) goto bad; 844 passarg = *(++argv); 845 } 846 else if (strcmp(*argv,"-key") == 0) 847 { 848 if (--argc < 1) goto bad; 849 key_file= *(++argv); 850 } 851 else if (strcmp(*argv,"-reconnect") == 0) 852 { 853 reconnect=5; 854 } 855 else if (strcmp(*argv,"-CApath") == 0) 856 { 857 if (--argc < 1) goto bad; 858 CApath= *(++argv); 859 } 860 else if (strcmp(*argv,"-CAfile") == 0) 861 { 862 if (--argc < 1) goto bad; 863 CAfile= *(++argv); 864 } 865 else if (strcmp(*argv,"-no_tls1_2") == 0) 866 off|=SSL_OP_NO_TLSv1_2; 867 else if (strcmp(*argv,"-no_tls1_1") == 0) 868 off|=SSL_OP_NO_TLSv1_1; 869 else if (strcmp(*argv,"-no_tls1") == 0) 870 off|=SSL_OP_NO_TLSv1; 871 else if (strcmp(*argv,"-no_ssl3") == 0) 872 off|=SSL_OP_NO_SSLv3; 873 else if (strcmp(*argv,"-no_ssl2") == 0) 874 off|=SSL_OP_NO_SSLv2; 875 else if (strcmp(*argv,"-no_comp") == 0) 876 { off|=SSL_OP_NO_COMPRESSION; } 877#ifndef OPENSSL_NO_TLSEXT 878 else if (strcmp(*argv,"-no_ticket") == 0) 879 { off|=SSL_OP_NO_TICKET; } 880# ifndef OPENSSL_NO_NEXTPROTONEG 881 else if (strcmp(*argv,"-nextprotoneg") == 0) 882 { 883 if (--argc < 1) goto bad; 884 next_proto_neg_in = *(++argv); 885 } 886# endif 887#endif 888 else if (strcmp(*argv,"-serverpref") == 0) 889 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 890 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 891 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 892 else if (strcmp(*argv,"-legacy_server_connect") == 0) 893 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 894 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 895 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 896 else if (strcmp(*argv,"-cipher") == 0) 897 { 898 if (--argc < 1) goto bad; 899 cipher= *(++argv); 900 } 901#ifdef FIONBIO 902 else if (strcmp(*argv,"-nbio") == 0) 903 { c_nbio=1; } 904#endif 905 else if (strcmp(*argv,"-starttls") == 0) 906 { 907 if (--argc < 1) goto bad; 908 ++argv; 909 if (strcmp(*argv,"smtp") == 0) 910 starttls_proto = PROTO_SMTP; 911 else if (strcmp(*argv,"pop3") == 0) 912 starttls_proto = PROTO_POP3; 913 else if (strcmp(*argv,"imap") == 0) 914 starttls_proto = PROTO_IMAP; 915 else if (strcmp(*argv,"ftp") == 0) 916 starttls_proto = PROTO_FTP; 917 else if (strcmp(*argv, "xmpp") == 0) 918 starttls_proto = PROTO_XMPP; 919 else 920 goto bad; 921 } 922#ifndef OPENSSL_NO_ENGINE 923 else if (strcmp(*argv,"-engine") == 0) 924 { 925 if (--argc < 1) goto bad; 926 engine_id = *(++argv); 927 } 928 else if (strcmp(*argv,"-ssl_client_engine") == 0) 929 { 930 if (--argc < 1) goto bad; 931 ssl_client_engine_id = *(++argv); 932 } 933#endif 934 else if (strcmp(*argv,"-rand") == 0) 935 { 936 if (--argc < 1) goto bad; 937 inrand= *(++argv); 938 } 939#ifndef OPENSSL_NO_TLSEXT 940 else if (strcmp(*argv,"-servername") == 0) 941 { 942 if (--argc < 1) goto bad; 943 servername= *(++argv); 944 /* meth=TLSv1_client_method(); */ 945 } 946#endif 947#ifndef OPENSSL_NO_JPAKE 948 else if (strcmp(*argv,"-jpake") == 0) 949 { 950 if (--argc < 1) goto bad; 951 jpake_secret = *++argv; 952 } 953#endif 954#ifndef OPENSSL_NO_SRTP 955 else if (strcmp(*argv,"-use_srtp") == 0) 956 { 957 if (--argc < 1) goto bad; 958 srtp_profiles = *(++argv); 959 } 960#endif 961 else if (strcmp(*argv,"-keymatexport") == 0) 962 { 963 if (--argc < 1) goto bad; 964 keymatexportlabel= *(++argv); 965 } 966 else if (strcmp(*argv,"-keymatexportlen") == 0) 967 { 968 if (--argc < 1) goto bad; 969 keymatexportlen=atoi(*(++argv)); 970 if (keymatexportlen == 0) goto bad; 971 } 972 else 973 { 974 BIO_printf(bio_err,"unknown option %s\n",*argv); 975 badop=1; 976 break; 977 } 978 argc--; 979 argv++; 980 } 981 if (badop) 982 { 983bad: 984 sc_usage(); 985 goto end; 986 } 987 988#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 989 if (jpake_secret) 990 { 991 if (psk_key) 992 { 993 BIO_printf(bio_err, 994 "Can't use JPAKE and PSK together\n"); 995 goto end; 996 } 997 psk_identity = "JPAKE"; 998 if (cipher) 999 { 1000 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1001 goto end; 1002 } 1003 cipher = "PSK"; 1004 } 1005#endif 1006 1007 OpenSSL_add_ssl_algorithms(); 1008 SSL_load_error_strings(); 1009 1010#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1011 next_proto.status = -1; 1012 if (next_proto_neg_in) 1013 { 1014 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1015 if (next_proto.data == NULL) 1016 { 1017 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1018 goto end; 1019 } 1020 } 1021 else 1022 next_proto.data = NULL; 1023#endif 1024 1025#ifndef OPENSSL_NO_ENGINE 1026 e = setup_engine(bio_err, engine_id, 1); 1027 if (ssl_client_engine_id) 1028 { 1029 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1030 if (!ssl_client_engine) 1031 { 1032 BIO_printf(bio_err, 1033 "Error getting client auth engine\n"); 1034 goto end; 1035 } 1036 } 1037 1038#endif 1039 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1040 { 1041 BIO_printf(bio_err, "Error getting password\n"); 1042 goto end; 1043 } 1044 1045 if (key_file == NULL) 1046 key_file = cert_file; 1047 1048 1049 if (key_file) 1050 1051 { 1052 1053 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1054 "client certificate private key file"); 1055 if (!key) 1056 { 1057 ERR_print_errors(bio_err); 1058 goto end; 1059 } 1060 1061 } 1062 1063 if (cert_file) 1064 1065 { 1066 cert = load_cert(bio_err,cert_file,cert_format, 1067 NULL, e, "client certificate file"); 1068 1069 if (!cert) 1070 { 1071 ERR_print_errors(bio_err); 1072 goto end; 1073 } 1074 } 1075 1076 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1077 && !RAND_status()) 1078 { 1079 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1080 } 1081 if (inrand != NULL) 1082 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1083 app_RAND_load_files(inrand)); 1084 1085 if (bio_c_out == NULL) 1086 { 1087 if (c_quiet && !c_debug && !c_msg) 1088 { 1089 bio_c_out=BIO_new(BIO_s_null()); 1090 } 1091 else 1092 { 1093 if (bio_c_out == NULL) 1094 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1095 } 1096 } 1097 1098#ifndef OPENSSL_NO_SRP 1099 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1100 { 1101 BIO_printf(bio_err, "Error getting password\n"); 1102 goto end; 1103 } 1104#endif 1105 1106 ctx=SSL_CTX_new(meth); 1107 if (ctx == NULL) 1108 { 1109 ERR_print_errors(bio_err); 1110 goto end; 1111 } 1112 1113 if (vpm) 1114 SSL_CTX_set1_param(ctx, vpm); 1115 1116#ifndef OPENSSL_NO_ENGINE 1117 if (ssl_client_engine) 1118 { 1119 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1120 { 1121 BIO_puts(bio_err, "Error setting client auth engine\n"); 1122 ERR_print_errors(bio_err); 1123 ENGINE_free(ssl_client_engine); 1124 goto end; 1125 } 1126 ENGINE_free(ssl_client_engine); 1127 } 1128#endif 1129 1130#ifndef OPENSSL_NO_PSK 1131#ifdef OPENSSL_NO_JPAKE 1132 if (psk_key != NULL) 1133#else 1134 if (psk_key != NULL || jpake_secret) 1135#endif 1136 { 1137 if (c_debug) 1138 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1139 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1140 } 1141#endif 1142#ifndef OPENSSL_NO_SRTP 1143 if (srtp_profiles != NULL) 1144 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1145#endif 1146 if (bugs) 1147 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1148 else 1149 SSL_CTX_set_options(ctx,off); 1150 1151 if (clr) 1152 SSL_CTX_clear_options(ctx, clr); 1153 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1154 * Setting read ahead solves this problem. 1155 */ 1156 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1157 1158#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1159 if (next_proto.data) 1160 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1161#endif 1162 1163 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1164 if (cipher != NULL) 1165 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1166 BIO_printf(bio_err,"error setting cipher list\n"); 1167 ERR_print_errors(bio_err); 1168 goto end; 1169 } 1170#if 0 1171 else 1172 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1173#endif 1174 1175 SSL_CTX_set_verify(ctx,verify,verify_callback); 1176 if (!set_cert_key_stuff(ctx,cert,key)) 1177 goto end; 1178 1179 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1180 (!SSL_CTX_set_default_verify_paths(ctx))) 1181 { 1182 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1183 ERR_print_errors(bio_err); 1184 /* goto end; */ 1185 } 1186 1187#ifndef OPENSSL_NO_TLSEXT 1188 if (servername != NULL) 1189 { 1190 tlsextcbp.biodebug = bio_err; 1191 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1192 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1193 } 1194#ifndef OPENSSL_NO_SRP 1195 if (srp_arg.srplogin) 1196 { 1197 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1198 { 1199 BIO_printf(bio_err,"Unable to set SRP username\n"); 1200 goto end; 1201 } 1202 srp_arg.msg = c_msg; 1203 srp_arg.debug = c_debug ; 1204 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1205 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1206 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1207 if (c_msg || c_debug || srp_arg.amp == 0) 1208 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1209 } 1210 1211#endif 1212#endif 1213 1214 con=SSL_new(ctx); 1215 if (sess_in) 1216 { 1217 SSL_SESSION *sess; 1218 BIO *stmp = BIO_new_file(sess_in, "r"); 1219 if (!stmp) 1220 { 1221 BIO_printf(bio_err, "Can't open session file %s\n", 1222 sess_in); 1223 ERR_print_errors(bio_err); 1224 goto end; 1225 } 1226 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1227 BIO_free(stmp); 1228 if (!sess) 1229 { 1230 BIO_printf(bio_err, "Can't open session file %s\n", 1231 sess_in); 1232 ERR_print_errors(bio_err); 1233 goto end; 1234 } 1235 SSL_set_session(con, sess); 1236 SSL_SESSION_free(sess); 1237 } 1238#ifndef OPENSSL_NO_TLSEXT 1239 if (servername != NULL) 1240 { 1241 if (!SSL_set_tlsext_host_name(con,servername)) 1242 { 1243 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1244 ERR_print_errors(bio_err); 1245 goto end; 1246 } 1247 } 1248#endif 1249#ifndef OPENSSL_NO_KRB5 1250 if (con && (kctx = kssl_ctx_new()) != NULL) 1251 { 1252 SSL_set0_kssl_ctx(con, kctx); 1253 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1254 } 1255#endif /* OPENSSL_NO_KRB5 */ 1256/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1257#if 0 1258#ifdef TLSEXT_TYPE_opaque_prf_input 1259 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1260#endif 1261#endif 1262 1263re_start: 1264 1265 if (init_client(&s,host,port,socket_type) == 0) 1266 { 1267 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1268 SHUTDOWN(s); 1269 goto end; 1270 } 1271 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1272 1273#ifdef FIONBIO 1274 if (c_nbio) 1275 { 1276 unsigned long l=1; 1277 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1278 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1279 { 1280 ERR_print_errors(bio_err); 1281 goto end; 1282 } 1283 } 1284#endif 1285 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1286 1287 if ( SSL_version(con) == DTLS1_VERSION) 1288 { 1289 1290 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1291 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1292 { 1293 BIO_printf(bio_err, "getsockname:errno=%d\n", 1294 get_last_socket_error()); 1295 SHUTDOWN(s); 1296 goto end; 1297 } 1298 1299 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1300 1301 if (enable_timeouts) 1302 { 1303 timeout.tv_sec = 0; 1304 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1305 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1306 1307 timeout.tv_sec = 0; 1308 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1309 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1310 } 1311 1312 if (socket_mtu > 28) 1313 { 1314 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1315 SSL_set_mtu(con, socket_mtu - 28); 1316 } 1317 else 1318 /* want to do MTU discovery */ 1319 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1320 } 1321 else 1322 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1323 1324 if (nbio_test) 1325 { 1326 BIO *test; 1327 1328 test=BIO_new(BIO_f_nbio_test()); 1329 sbio=BIO_push(test,sbio); 1330 } 1331 1332 if (c_debug) 1333 { 1334 SSL_set_debug(con, 1); 1335 BIO_set_callback(sbio,bio_dump_callback); 1336 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1337 } 1338 if (c_msg) 1339 { 1340 SSL_set_msg_callback(con, msg_cb); 1341 SSL_set_msg_callback_arg(con, bio_c_out); 1342 } 1343#ifndef OPENSSL_NO_TLSEXT 1344 if (c_tlsextdebug) 1345 { 1346 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1347 SSL_set_tlsext_debug_arg(con, bio_c_out); 1348 } 1349 if (c_status_req) 1350 { 1351 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1352 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1353 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1354#if 0 1355{ 1356STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1357OCSP_RESPID *id = OCSP_RESPID_new(); 1358id->value.byKey = ASN1_OCTET_STRING_new(); 1359id->type = V_OCSP_RESPID_KEY; 1360ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1361sk_OCSP_RESPID_push(ids, id); 1362SSL_set_tlsext_status_ids(con, ids); 1363} 1364#endif 1365 } 1366#endif 1367#ifndef OPENSSL_NO_JPAKE 1368 if (jpake_secret) 1369 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1370#endif 1371 1372 SSL_set_bio(con,sbio,sbio); 1373 SSL_set_connect_state(con); 1374 1375 /* ok, lets connect */ 1376 width=SSL_get_fd(con)+1; 1377 1378 read_tty=1; 1379 write_tty=0; 1380 tty_on=0; 1381 read_ssl=1; 1382 write_ssl=1; 1383 1384 cbuf_len=0; 1385 cbuf_off=0; 1386 sbuf_len=0; 1387 sbuf_off=0; 1388 1389 /* This is an ugly hack that does a lot of assumptions */ 1390 /* We do have to handle multi-line responses which may come 1391 in a single packet or not. We therefore have to use 1392 BIO_gets() which does need a buffering BIO. So during 1393 the initial chitchat we do push a buffering BIO into the 1394 chain that is removed again later on to not disturb the 1395 rest of the s_client operation. */ 1396 if (starttls_proto == PROTO_SMTP) 1397 { 1398 int foundit=0; 1399 BIO *fbio = BIO_new(BIO_f_buffer()); 1400 BIO_push(fbio, sbio); 1401 /* wait for multi-line response to end from SMTP */ 1402 do 1403 { 1404 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1405 } 1406 while (mbuf_len>3 && mbuf[3]=='-'); 1407 /* STARTTLS command requires EHLO... */ 1408 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1409 (void)BIO_flush(fbio); 1410 /* wait for multi-line response to end EHLO SMTP response */ 1411 do 1412 { 1413 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1414 if (strstr(mbuf,"STARTTLS")) 1415 foundit=1; 1416 } 1417 while (mbuf_len>3 && mbuf[3]=='-'); 1418 (void)BIO_flush(fbio); 1419 BIO_pop(fbio); 1420 BIO_free(fbio); 1421 if (!foundit) 1422 BIO_printf(bio_err, 1423 "didn't found starttls in server response," 1424 " try anyway...\n"); 1425 BIO_printf(sbio,"STARTTLS\r\n"); 1426 BIO_read(sbio,sbuf,BUFSIZZ); 1427 } 1428 else if (starttls_proto == PROTO_POP3) 1429 { 1430 BIO_read(sbio,mbuf,BUFSIZZ); 1431 BIO_printf(sbio,"STLS\r\n"); 1432 BIO_read(sbio,sbuf,BUFSIZZ); 1433 } 1434 else if (starttls_proto == PROTO_IMAP) 1435 { 1436 int foundit=0; 1437 BIO *fbio = BIO_new(BIO_f_buffer()); 1438 BIO_push(fbio, sbio); 1439 BIO_gets(fbio,mbuf,BUFSIZZ); 1440 /* STARTTLS command requires CAPABILITY... */ 1441 BIO_printf(fbio,". CAPABILITY\r\n"); 1442 (void)BIO_flush(fbio); 1443 /* wait for multi-line CAPABILITY response */ 1444 do 1445 { 1446 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1447 if (strstr(mbuf,"STARTTLS")) 1448 foundit=1; 1449 } 1450 while (mbuf_len>3 && mbuf[0]!='.'); 1451 (void)BIO_flush(fbio); 1452 BIO_pop(fbio); 1453 BIO_free(fbio); 1454 if (!foundit) 1455 BIO_printf(bio_err, 1456 "didn't found STARTTLS in server response," 1457 " try anyway...\n"); 1458 BIO_printf(sbio,". STARTTLS\r\n"); 1459 BIO_read(sbio,sbuf,BUFSIZZ); 1460 } 1461 else if (starttls_proto == PROTO_FTP) 1462 { 1463 BIO *fbio = BIO_new(BIO_f_buffer()); 1464 BIO_push(fbio, sbio); 1465 /* wait for multi-line response to end from FTP */ 1466 do 1467 { 1468 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1469 } 1470 while (mbuf_len>3 && mbuf[3]=='-'); 1471 (void)BIO_flush(fbio); 1472 BIO_pop(fbio); 1473 BIO_free(fbio); 1474 BIO_printf(sbio,"AUTH TLS\r\n"); 1475 BIO_read(sbio,sbuf,BUFSIZZ); 1476 } 1477 if (starttls_proto == PROTO_XMPP) 1478 { 1479 int seen = 0; 1480 BIO_printf(sbio,"<stream:stream " 1481 "xmlns:stream='http://etherx.jabber.org/streams' " 1482 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1483 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1484 mbuf[seen] = 0; 1485 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1486 { 1487 if (strstr(mbuf, "/stream:features>")) 1488 goto shut; 1489 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1490 mbuf[seen] = 0; 1491 } 1492 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1493 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1494 sbuf[seen] = 0; 1495 if (!strstr(sbuf, "<proceed")) 1496 goto shut; 1497 mbuf[0] = 0; 1498 } 1499 1500 for (;;) 1501 { 1502 FD_ZERO(&readfds); 1503 FD_ZERO(&writefds); 1504 1505 if ((SSL_version(con) == DTLS1_VERSION) && 1506 DTLSv1_get_timeout(con, &timeout)) 1507 timeoutp = &timeout; 1508 else 1509 timeoutp = NULL; 1510 1511 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1512 { 1513 in_init=1; 1514 tty_on=0; 1515 } 1516 else 1517 { 1518 tty_on=1; 1519 if (in_init) 1520 { 1521 in_init=0; 1522#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1523#ifndef OPENSSL_NO_TLSEXT 1524 if (servername != NULL && !SSL_session_reused(con)) 1525 { 1526 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1527 } 1528#endif 1529#endif 1530 if (sess_out) 1531 { 1532 BIO *stmp = BIO_new_file(sess_out, "w"); 1533 if (stmp) 1534 { 1535 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1536 BIO_free(stmp); 1537 } 1538 else 1539 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1540 } 1541 print_stuff(bio_c_out,con,full_log); 1542 if (full_log > 0) full_log--; 1543 1544 if (starttls_proto) 1545 { 1546 BIO_printf(bio_err,"%s",mbuf); 1547 /* We don't need to know any more */ 1548 starttls_proto = PROTO_OFF; 1549 } 1550 1551 if (reconnect) 1552 { 1553 reconnect--; 1554 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1555 SSL_shutdown(con); 1556 SSL_set_connect_state(con); 1557 SHUTDOWN(SSL_get_fd(con)); 1558 goto re_start; 1559 } 1560 } 1561 } 1562 1563 ssl_pending = read_ssl && SSL_pending(con); 1564 1565 if (!ssl_pending) 1566 { 1567#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1568 if (tty_on) 1569 { 1570 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1571 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1572 } 1573 if (read_ssl) 1574 openssl_fdset(SSL_get_fd(con),&readfds); 1575 if (write_ssl) 1576 openssl_fdset(SSL_get_fd(con),&writefds); 1577#else 1578 if(!tty_on || !write_tty) { 1579 if (read_ssl) 1580 openssl_fdset(SSL_get_fd(con),&readfds); 1581 if (write_ssl) 1582 openssl_fdset(SSL_get_fd(con),&writefds); 1583 } 1584#endif 1585/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1586 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1587 1588 /* Note: under VMS with SOCKETSHR the second parameter 1589 * is currently of type (int *) whereas under other 1590 * systems it is (void *) if you don't have a cast it 1591 * will choke the compiler: if you do have a cast then 1592 * you can either go for (int *) or (void *). 1593 */ 1594#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1595 /* Under Windows/DOS we make the assumption that we can 1596 * always write to the tty: therefore if we need to 1597 * write to the tty we just fall through. Otherwise 1598 * we timeout the select every second and see if there 1599 * are any keypresses. Note: this is a hack, in a proper 1600 * Windows application we wouldn't do this. 1601 */ 1602 i=0; 1603 if(!write_tty) { 1604 if(read_tty) { 1605 tv.tv_sec = 1; 1606 tv.tv_usec = 0; 1607 i=select(width,(void *)&readfds,(void *)&writefds, 1608 NULL,&tv); 1609#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1610 if(!i && (!_kbhit() || !read_tty) ) continue; 1611#else 1612 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1613#endif 1614 } else i=select(width,(void *)&readfds,(void *)&writefds, 1615 NULL,timeoutp); 1616 } 1617#elif defined(OPENSSL_SYS_NETWARE) 1618 if(!write_tty) { 1619 if(read_tty) { 1620 tv.tv_sec = 1; 1621 tv.tv_usec = 0; 1622 i=select(width,(void *)&readfds,(void *)&writefds, 1623 NULL,&tv); 1624 } else i=select(width,(void *)&readfds,(void *)&writefds, 1625 NULL,timeoutp); 1626 } 1627#elif defined(OPENSSL_SYS_BEOS_R5) 1628 /* Under BeOS-R5 the situation is similar to DOS */ 1629 i=0; 1630 stdin_set = 0; 1631 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1632 if(!write_tty) { 1633 if(read_tty) { 1634 tv.tv_sec = 1; 1635 tv.tv_usec = 0; 1636 i=select(width,(void *)&readfds,(void *)&writefds, 1637 NULL,&tv); 1638 if (read(fileno(stdin), sbuf, 0) >= 0) 1639 stdin_set = 1; 1640 if (!i && (stdin_set != 1 || !read_tty)) 1641 continue; 1642 } else i=select(width,(void *)&readfds,(void *)&writefds, 1643 NULL,timeoutp); 1644 } 1645 (void)fcntl(fileno(stdin), F_SETFL, 0); 1646#else 1647 i=select(width,(void *)&readfds,(void *)&writefds, 1648 NULL,timeoutp); 1649#endif 1650 if ( i < 0) 1651 { 1652 BIO_printf(bio_err,"bad select %d\n", 1653 get_last_socket_error()); 1654 goto shut; 1655 /* goto end; */ 1656 } 1657 } 1658 1659 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1660 { 1661 BIO_printf(bio_err,"TIMEOUT occured\n"); 1662 } 1663 1664 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1665 { 1666 k=SSL_write(con,&(cbuf[cbuf_off]), 1667 (unsigned int)cbuf_len); 1668 switch (SSL_get_error(con,k)) 1669 { 1670 case SSL_ERROR_NONE: 1671 cbuf_off+=k; 1672 cbuf_len-=k; 1673 if (k <= 0) goto end; 1674 /* we have done a write(con,NULL,0); */ 1675 if (cbuf_len <= 0) 1676 { 1677 read_tty=1; 1678 write_ssl=0; 1679 } 1680 else /* if (cbuf_len > 0) */ 1681 { 1682 read_tty=0; 1683 write_ssl=1; 1684 } 1685 break; 1686 case SSL_ERROR_WANT_WRITE: 1687 BIO_printf(bio_c_out,"write W BLOCK\n"); 1688 write_ssl=1; 1689 read_tty=0; 1690 break; 1691 case SSL_ERROR_WANT_READ: 1692 BIO_printf(bio_c_out,"write R BLOCK\n"); 1693 write_tty=0; 1694 read_ssl=1; 1695 write_ssl=0; 1696 break; 1697 case SSL_ERROR_WANT_X509_LOOKUP: 1698 BIO_printf(bio_c_out,"write X BLOCK\n"); 1699 break; 1700 case SSL_ERROR_ZERO_RETURN: 1701 if (cbuf_len != 0) 1702 { 1703 BIO_printf(bio_c_out,"shutdown\n"); 1704 ret = 0; 1705 goto shut; 1706 } 1707 else 1708 { 1709 read_tty=1; 1710 write_ssl=0; 1711 break; 1712 } 1713 1714 case SSL_ERROR_SYSCALL: 1715 if ((k != 0) || (cbuf_len != 0)) 1716 { 1717 BIO_printf(bio_err,"write:errno=%d\n", 1718 get_last_socket_error()); 1719 goto shut; 1720 } 1721 else 1722 { 1723 read_tty=1; 1724 write_ssl=0; 1725 } 1726 break; 1727 case SSL_ERROR_SSL: 1728 ERR_print_errors(bio_err); 1729 goto shut; 1730 } 1731 } 1732#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1733 /* Assume Windows/DOS/BeOS can always write */ 1734 else if (!ssl_pending && write_tty) 1735#else 1736 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1737#endif 1738 { 1739#ifdef CHARSET_EBCDIC 1740 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1741#endif 1742 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1743 1744 if (i <= 0) 1745 { 1746 BIO_printf(bio_c_out,"DONE\n"); 1747 ret = 0; 1748 goto shut; 1749 /* goto end; */ 1750 } 1751 1752 sbuf_len-=i;; 1753 sbuf_off+=i; 1754 if (sbuf_len <= 0) 1755 { 1756 read_ssl=1; 1757 write_tty=0; 1758 } 1759 } 1760 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1761 { 1762#ifdef RENEG 1763{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1764#endif 1765#if 1 1766 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1767#else 1768/* Demo for pending and peek :-) */ 1769 k=SSL_read(con,sbuf,16); 1770{ char zbuf[10240]; 1771printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1772} 1773#endif 1774 1775 switch (SSL_get_error(con,k)) 1776 { 1777 case SSL_ERROR_NONE: 1778 if (k <= 0) 1779 goto end; 1780 sbuf_off=0; 1781 sbuf_len=k; 1782 1783 read_ssl=0; 1784 write_tty=1; 1785 break; 1786 case SSL_ERROR_WANT_WRITE: 1787 BIO_printf(bio_c_out,"read W BLOCK\n"); 1788 write_ssl=1; 1789 read_tty=0; 1790 break; 1791 case SSL_ERROR_WANT_READ: 1792 BIO_printf(bio_c_out,"read R BLOCK\n"); 1793 write_tty=0; 1794 read_ssl=1; 1795 if ((read_tty == 0) && (write_ssl == 0)) 1796 write_ssl=1; 1797 break; 1798 case SSL_ERROR_WANT_X509_LOOKUP: 1799 BIO_printf(bio_c_out,"read X BLOCK\n"); 1800 break; 1801 case SSL_ERROR_SYSCALL: 1802 ret=get_last_socket_error(); 1803 BIO_printf(bio_err,"read:errno=%d\n",ret); 1804 goto shut; 1805 case SSL_ERROR_ZERO_RETURN: 1806 BIO_printf(bio_c_out,"closed\n"); 1807 ret=0; 1808 goto shut; 1809 case SSL_ERROR_SSL: 1810 ERR_print_errors(bio_err); 1811 goto shut; 1812 /* break; */ 1813 } 1814 } 1815 1816#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1817#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1818 else if (_kbhit()) 1819#else 1820 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1821#endif 1822#elif defined (OPENSSL_SYS_NETWARE) 1823 else if (_kbhit()) 1824#elif defined(OPENSSL_SYS_BEOS_R5) 1825 else if (stdin_set) 1826#else 1827 else if (FD_ISSET(fileno(stdin),&readfds)) 1828#endif 1829 { 1830 if (crlf) 1831 { 1832 int j, lf_num; 1833 1834 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1835 lf_num = 0; 1836 /* both loops are skipped when i <= 0 */ 1837 for (j = 0; j < i; j++) 1838 if (cbuf[j] == '\n') 1839 lf_num++; 1840 for (j = i-1; j >= 0; j--) 1841 { 1842 cbuf[j+lf_num] = cbuf[j]; 1843 if (cbuf[j] == '\n') 1844 { 1845 lf_num--; 1846 i++; 1847 cbuf[j+lf_num] = '\r'; 1848 } 1849 } 1850 assert(lf_num == 0); 1851 } 1852 else 1853 i=raw_read_stdin(cbuf,BUFSIZZ); 1854 1855 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1856 { 1857 BIO_printf(bio_err,"DONE\n"); 1858 ret=0; 1859 goto shut; 1860 } 1861 1862 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1863 { 1864 BIO_printf(bio_err,"RENEGOTIATING\n"); 1865 SSL_renegotiate(con); 1866 cbuf_len=0; 1867 } 1868#ifndef OPENSSL_NO_HEARTBEATS 1869 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1870 { 1871 BIO_printf(bio_err,"HEARTBEATING\n"); 1872 SSL_heartbeat(con); 1873 cbuf_len=0; 1874 } 1875#endif 1876 else 1877 { 1878 cbuf_len=i; 1879 cbuf_off=0; 1880#ifdef CHARSET_EBCDIC 1881 ebcdic2ascii(cbuf, cbuf, i); 1882#endif 1883 } 1884 1885 write_ssl=1; 1886 read_tty=0; 1887 } 1888 } 1889 1890 ret=0; 1891shut: 1892 if (in_init) 1893 print_stuff(bio_c_out,con,full_log); 1894 SSL_shutdown(con); 1895 SHUTDOWN(SSL_get_fd(con)); 1896end: 1897 if (con != NULL) 1898 { 1899 if (prexit != 0) 1900 print_stuff(bio_c_out,con,1); 1901 SSL_free(con); 1902 } 1903#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1904 if (next_proto.data) 1905 OPENSSL_free(next_proto.data); 1906#endif 1907 if (ctx != NULL) SSL_CTX_free(ctx); 1908 if (cert) 1909 X509_free(cert); 1910 if (key) 1911 EVP_PKEY_free(key); 1912 if (pass) 1913 OPENSSL_free(pass); 1914 if (vpm) 1915 X509_VERIFY_PARAM_free(vpm); 1916 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1917 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1918 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1919 if (bio_c_out != NULL) 1920 { 1921 BIO_free(bio_c_out); 1922 bio_c_out=NULL; 1923 } 1924 apps_shutdown(); 1925 OPENSSL_EXIT(ret); 1926 } 1927 1928 1929static void print_stuff(BIO *bio, SSL *s, int full) 1930 { 1931 X509 *peer=NULL; 1932 char *p; 1933 static const char *space=" "; 1934 char buf[BUFSIZ]; 1935 STACK_OF(X509) *sk; 1936 STACK_OF(X509_NAME) *sk2; 1937 const SSL_CIPHER *c; 1938 X509_NAME *xn; 1939 int j,i; 1940#ifndef OPENSSL_NO_COMP 1941 const COMP_METHOD *comp, *expansion; 1942#endif 1943 unsigned char *exportedkeymat; 1944 1945 if (full) 1946 { 1947 int got_a_chain = 0; 1948 1949 sk=SSL_get_peer_cert_chain(s); 1950 if (sk != NULL) 1951 { 1952 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1953 1954 BIO_printf(bio,"---\nCertificate chain\n"); 1955 for (i=0; i<sk_X509_num(sk); i++) 1956 { 1957 X509_NAME_oneline(X509_get_subject_name( 1958 sk_X509_value(sk,i)),buf,sizeof buf); 1959 BIO_printf(bio,"%2d s:%s\n",i,buf); 1960 X509_NAME_oneline(X509_get_issuer_name( 1961 sk_X509_value(sk,i)),buf,sizeof buf); 1962 BIO_printf(bio," i:%s\n",buf); 1963 if (c_showcerts) 1964 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1965 } 1966 } 1967 1968 BIO_printf(bio,"---\n"); 1969 peer=SSL_get_peer_certificate(s); 1970 if (peer != NULL) 1971 { 1972 BIO_printf(bio,"Server certificate\n"); 1973 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1974 PEM_write_bio_X509(bio,peer); 1975 X509_NAME_oneline(X509_get_subject_name(peer), 1976 buf,sizeof buf); 1977 BIO_printf(bio,"subject=%s\n",buf); 1978 X509_NAME_oneline(X509_get_issuer_name(peer), 1979 buf,sizeof buf); 1980 BIO_printf(bio,"issuer=%s\n",buf); 1981 } 1982 else 1983 BIO_printf(bio,"no peer certificate available\n"); 1984 1985 sk2=SSL_get_client_CA_list(s); 1986 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1987 { 1988 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1989 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1990 { 1991 xn=sk_X509_NAME_value(sk2,i); 1992 X509_NAME_oneline(xn,buf,sizeof(buf)); 1993 BIO_write(bio,buf,strlen(buf)); 1994 BIO_write(bio,"\n",1); 1995 } 1996 } 1997 else 1998 { 1999 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2000 } 2001 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2002 if (p != NULL) 2003 { 2004 /* This works only for SSL 2. In later protocol 2005 * versions, the client does not know what other 2006 * ciphers (in addition to the one to be used 2007 * in the current connection) the server supports. */ 2008 2009 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2010 j=i=0; 2011 while (*p) 2012 { 2013 if (*p == ':') 2014 { 2015 BIO_write(bio,space,15-j%25); 2016 i++; 2017 j=0; 2018 BIO_write(bio,((i%3)?" ":"\n"),1); 2019 } 2020 else 2021 { 2022 BIO_write(bio,p,1); 2023 j++; 2024 } 2025 p++; 2026 } 2027 BIO_write(bio,"\n",1); 2028 } 2029 2030 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2031 BIO_number_read(SSL_get_rbio(s)), 2032 BIO_number_written(SSL_get_wbio(s))); 2033 } 2034 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2035 c=SSL_get_current_cipher(s); 2036 BIO_printf(bio,"%s, Cipher is %s\n", 2037 SSL_CIPHER_get_version(c), 2038 SSL_CIPHER_get_name(c)); 2039 if (peer != NULL) { 2040 EVP_PKEY *pktmp; 2041 pktmp = X509_get_pubkey(peer); 2042 BIO_printf(bio,"Server public key is %d bit\n", 2043 EVP_PKEY_bits(pktmp)); 2044 EVP_PKEY_free(pktmp); 2045 } 2046 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2047 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2048#ifndef OPENSSL_NO_COMP 2049 comp=SSL_get_current_compression(s); 2050 expansion=SSL_get_current_expansion(s); 2051 BIO_printf(bio,"Compression: %s\n", 2052 comp ? SSL_COMP_get_name(comp) : "NONE"); 2053 BIO_printf(bio,"Expansion: %s\n", 2054 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2055#endif 2056 2057#ifdef SSL_DEBUG 2058 { 2059 /* Print out local port of connection: useful for debugging */ 2060 int sock; 2061 struct sockaddr_in ladd; 2062 socklen_t ladd_size = sizeof(ladd); 2063 sock = SSL_get_fd(s); 2064 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2065 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2066 } 2067#endif 2068 2069#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2070 if (next_proto.status != -1) { 2071 const unsigned char *proto; 2072 unsigned int proto_len; 2073 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2074 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2075 BIO_write(bio, proto, proto_len); 2076 BIO_write(bio, "\n", 1); 2077 } 2078#endif 2079 2080#ifndef OPENSSL_NO_SRTP 2081 { 2082 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2083 2084 if(srtp_profile) 2085 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2086 srtp_profile->name); 2087 } 2088#endif 2089 2090 SSL_SESSION_print(bio,SSL_get_session(s)); 2091 if (keymatexportlabel != NULL) 2092 { 2093 BIO_printf(bio, "Keying material exporter:\n"); 2094 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2095 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2096 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2097 if (exportedkeymat != NULL) 2098 { 2099 if (!SSL_export_keying_material(s, exportedkeymat, 2100 keymatexportlen, 2101 keymatexportlabel, 2102 strlen(keymatexportlabel), 2103 NULL, 0, 0)) 2104 { 2105 BIO_printf(bio, " Error\n"); 2106 } 2107 else 2108 { 2109 BIO_printf(bio, " Keying material: "); 2110 for (i=0; i<keymatexportlen; i++) 2111 BIO_printf(bio, "%02X", 2112 exportedkeymat[i]); 2113 BIO_printf(bio, "\n"); 2114 } 2115 OPENSSL_free(exportedkeymat); 2116 } 2117 } 2118 BIO_printf(bio,"---\n"); 2119 if (peer != NULL) 2120 X509_free(peer); 2121 /* flush, or debugging output gets mixed with http response */ 2122 (void)BIO_flush(bio); 2123 } 2124 2125#ifndef OPENSSL_NO_TLSEXT 2126 2127static int ocsp_resp_cb(SSL *s, void *arg) 2128 { 2129 const unsigned char *p; 2130 int len; 2131 OCSP_RESPONSE *rsp; 2132 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2133 BIO_puts(arg, "OCSP response: "); 2134 if (!p) 2135 { 2136 BIO_puts(arg, "no response sent\n"); 2137 return 1; 2138 } 2139 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2140 if (!rsp) 2141 { 2142 BIO_puts(arg, "response parse error\n"); 2143 BIO_dump_indent(arg, (char *)p, len, 4); 2144 return 0; 2145 } 2146 BIO_puts(arg, "\n======================================\n"); 2147 OCSP_RESPONSE_print(arg, rsp, 0); 2148 BIO_puts(arg, "======================================\n"); 2149 OCSP_RESPONSE_free(rsp); 2150 return 1; 2151 } 2152 2153#endif 2154