s_client.c revision 279264
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 length in bits for N (default %d).\n",SRP_MINIMAL_N); 333#endif 334 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 335#ifndef OPENSSL_NO_SSL3_METHOD 336 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 337#endif 338 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 339 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 340 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 341 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 342 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 343 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 344 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 345 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 346 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 347 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 348 BIO_printf(bio_err," command to see what is available\n"); 349 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 350 BIO_printf(bio_err," for those protocols that support it, where\n"); 351 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 352 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 353 BIO_printf(bio_err," are supported.\n"); 354#ifndef OPENSSL_NO_ENGINE 355 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 356#endif 357 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 358 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 359 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 360#ifndef OPENSSL_NO_TLSEXT 361 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 362 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 363 BIO_printf(bio_err," -status - request certificate status from server\n"); 364 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 365# ifndef OPENSSL_NO_NEXTPROTONEG 366 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 367# endif 368#endif 369 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 370#ifndef OPENSSL_NO_SRTP 371 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 372#endif 373 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 374 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 375 } 376 377#ifndef OPENSSL_NO_TLSEXT 378 379/* This is a context that we pass to callbacks */ 380typedef struct tlsextctx_st { 381 BIO * biodebug; 382 int ack; 383} tlsextctx; 384 385 386static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 387 { 388 tlsextctx * p = (tlsextctx *) arg; 389 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 390 if (SSL_get_servername_type(s) != -1) 391 p->ack = !SSL_session_reused(s) && hn != NULL; 392 else 393 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 394 395 return SSL_TLSEXT_ERR_OK; 396 } 397 398#ifndef OPENSSL_NO_SRP 399 400/* This is a context that we pass to all callbacks */ 401typedef struct srp_arg_st 402 { 403 char *srppassin; 404 char *srplogin; 405 int msg; /* copy from c_msg */ 406 int debug; /* copy from c_debug */ 407 int amp; /* allow more groups */ 408 int strength /* minimal size for N */ ; 409 } SRP_ARG; 410 411#define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 412 413static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 414 { 415 BN_CTX *bn_ctx = BN_CTX_new(); 416 BIGNUM *p = BN_new(); 417 BIGNUM *r = BN_new(); 418 int ret = 419 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 420 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 421 p != NULL && BN_rshift1(p, N) && 422 423 /* p = (N-1)/2 */ 424 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 425 r != NULL && 426 427 /* verify g^((N-1)/2) == -1 (mod N) */ 428 BN_mod_exp(r, g, p, N, bn_ctx) && 429 BN_add_word(r, 1) && 430 BN_cmp(r, N) == 0; 431 432 if(r) 433 BN_free(r); 434 if(p) 435 BN_free(p); 436 if(bn_ctx) 437 BN_CTX_free(bn_ctx); 438 return ret; 439 } 440 441/* This callback is used here for two purposes: 442 - extended debugging 443 - making some primality tests for unknown groups 444 The callback is only called for a non default group. 445 446 An application does not need the call back at all if 447 only the stanard groups are used. In real life situations, 448 client and server already share well known groups, 449 thus there is no need to verify them. 450 Furthermore, in case that a server actually proposes a group that 451 is not one of those defined in RFC 5054, it is more appropriate 452 to add the group to a static list and then compare since 453 primality tests are rather cpu consuming. 454*/ 455 456static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 457 { 458 SRP_ARG *srp_arg = (SRP_ARG *)arg; 459 BIGNUM *N = NULL, *g = NULL; 460 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 461 return 0; 462 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 463 { 464 BIO_printf(bio_err, "SRP parameters:\n"); 465 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 466 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 467 BIO_printf(bio_err,"\n"); 468 } 469 470 if (SRP_check_known_gN_param(g,N)) 471 return 1; 472 473 if (srp_arg->amp == 1) 474 { 475 if (srp_arg->debug) 476 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 477 478/* The srp_moregroups is a real debugging feature. 479 Implementors should rather add the value to the known ones. 480 The minimal size has already been tested. 481*/ 482 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 483 return 1; 484 } 485 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 486 return 0; 487 } 488 489#define PWD_STRLEN 1024 490 491static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 492 { 493 SRP_ARG *srp_arg = (SRP_ARG *)arg; 494 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 495 PW_CB_DATA cb_tmp; 496 int l; 497 498 cb_tmp.password = (char *)srp_arg->srppassin; 499 cb_tmp.prompt_info = "SRP user"; 500 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 501 { 502 BIO_printf (bio_err, "Can't read Password\n"); 503 OPENSSL_free(pass); 504 return NULL; 505 } 506 *(pass+l)= '\0'; 507 508 return pass; 509 } 510 511#endif 512#ifndef OPENSSL_NO_SRTP 513 char *srtp_profiles = NULL; 514#endif 515 516# ifndef OPENSSL_NO_NEXTPROTONEG 517/* This the context that we pass to next_proto_cb */ 518typedef struct tlsextnextprotoctx_st { 519 unsigned char *data; 520 unsigned short len; 521 int status; 522} tlsextnextprotoctx; 523 524static tlsextnextprotoctx next_proto; 525 526static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 527 { 528 tlsextnextprotoctx *ctx = arg; 529 530 if (!c_quiet) 531 { 532 /* We can assume that |in| is syntactically valid. */ 533 unsigned i; 534 BIO_printf(bio_c_out, "Protocols advertised by server: "); 535 for (i = 0; i < inlen; ) 536 { 537 if (i) 538 BIO_write(bio_c_out, ", ", 2); 539 BIO_write(bio_c_out, &in[i + 1], in[i]); 540 i += in[i] + 1; 541 } 542 BIO_write(bio_c_out, "\n", 1); 543 } 544 545 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 546 return SSL_TLSEXT_ERR_OK; 547 } 548# endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 549#endif 550 551enum 552{ 553 PROTO_OFF = 0, 554 PROTO_SMTP, 555 PROTO_POP3, 556 PROTO_IMAP, 557 PROTO_FTP, 558 PROTO_XMPP 559}; 560 561int MAIN(int, char **); 562 563int MAIN(int argc, char **argv) 564 { 565 unsigned int off=0, clr=0; 566 SSL *con=NULL; 567#ifndef OPENSSL_NO_KRB5 568 KSSL_CTX *kctx; 569#endif 570 int s,k,width,state=0; 571 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 572 int cbuf_len,cbuf_off; 573 int sbuf_len,sbuf_off; 574 fd_set readfds,writefds; 575 short port=PORT; 576 int full_log=1; 577 char *host=SSL_HOST_NAME; 578 char *cert_file=NULL,*key_file=NULL; 579 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 580 char *passarg = NULL, *pass = NULL; 581 X509 *cert = NULL; 582 EVP_PKEY *key = NULL; 583 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 584 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 585 int crlf=0; 586 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 587 SSL_CTX *ctx=NULL; 588 int ret=1,in_init=1,i,nbio_test=0; 589 int starttls_proto = PROTO_OFF; 590 int prexit = 0; 591 X509_VERIFY_PARAM *vpm = NULL; 592 int badarg = 0; 593 const SSL_METHOD *meth=NULL; 594 int socket_type=SOCK_STREAM; 595 BIO *sbio; 596 char *inrand=NULL; 597 int mbuf_len=0; 598 struct timeval timeout, *timeoutp; 599#ifndef OPENSSL_NO_ENGINE 600 char *engine_id=NULL; 601 char *ssl_client_engine_id=NULL; 602 ENGINE *ssl_client_engine=NULL; 603#endif 604 ENGINE *e=NULL; 605#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 606 struct timeval tv; 607#if defined(OPENSSL_SYS_BEOS_R5) 608 int stdin_set = 0; 609#endif 610#endif 611#ifndef OPENSSL_NO_TLSEXT 612 char *servername = NULL; 613 tlsextctx tlsextcbp = 614 {NULL,0}; 615# ifndef OPENSSL_NO_NEXTPROTONEG 616 const char *next_proto_neg_in = NULL; 617# endif 618#endif 619 char *sess_in = NULL; 620 char *sess_out = NULL; 621 struct sockaddr peer; 622 int peerlen = sizeof(peer); 623 int fallback_scsv = 0; 624 int enable_timeouts = 0 ; 625 long socket_mtu = 0; 626#ifndef OPENSSL_NO_JPAKE 627 char *jpake_secret = NULL; 628#endif 629#ifndef OPENSSL_NO_SRP 630 char * srppass = NULL; 631 int srp_lateuser = 0; 632 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 633#endif 634 635 meth=SSLv23_client_method(); 636 637 apps_startup(); 638 c_Pause=0; 639 c_quiet=0; 640 c_ign_eof=0; 641 c_debug=0; 642 c_msg=0; 643 c_showcerts=0; 644 645 if (bio_err == NULL) 646 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 647 648 if (!load_config(bio_err, NULL)) 649 goto end; 650 651 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 652 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 653 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 654 { 655 BIO_printf(bio_err,"out of memory\n"); 656 goto end; 657 } 658 659 verify_depth=0; 660 verify_error=X509_V_OK; 661#ifdef FIONBIO 662 c_nbio=0; 663#endif 664 665 argc--; 666 argv++; 667 while (argc >= 1) 668 { 669 if (strcmp(*argv,"-host") == 0) 670 { 671 if (--argc < 1) goto bad; 672 host= *(++argv); 673 } 674 else if (strcmp(*argv,"-port") == 0) 675 { 676 if (--argc < 1) goto bad; 677 port=atoi(*(++argv)); 678 if (port == 0) goto bad; 679 } 680 else if (strcmp(*argv,"-connect") == 0) 681 { 682 if (--argc < 1) goto bad; 683 if (!extract_host_port(*(++argv),&host,NULL,&port)) 684 goto bad; 685 } 686 else if (strcmp(*argv,"-verify") == 0) 687 { 688 verify=SSL_VERIFY_PEER; 689 if (--argc < 1) goto bad; 690 verify_depth=atoi(*(++argv)); 691 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 692 } 693 else if (strcmp(*argv,"-cert") == 0) 694 { 695 if (--argc < 1) goto bad; 696 cert_file= *(++argv); 697 } 698 else if (strcmp(*argv,"-sess_out") == 0) 699 { 700 if (--argc < 1) goto bad; 701 sess_out = *(++argv); 702 } 703 else if (strcmp(*argv,"-sess_in") == 0) 704 { 705 if (--argc < 1) goto bad; 706 sess_in = *(++argv); 707 } 708 else if (strcmp(*argv,"-certform") == 0) 709 { 710 if (--argc < 1) goto bad; 711 cert_format = str2fmt(*(++argv)); 712 } 713 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 714 { 715 if (badarg) 716 goto bad; 717 continue; 718 } 719 else if (strcmp(*argv,"-verify_return_error") == 0) 720 verify_return_error = 1; 721 else if (strcmp(*argv,"-prexit") == 0) 722 prexit=1; 723 else if (strcmp(*argv,"-crlf") == 0) 724 crlf=1; 725 else if (strcmp(*argv,"-quiet") == 0) 726 { 727 c_quiet=1; 728 c_ign_eof=1; 729 } 730 else if (strcmp(*argv,"-ign_eof") == 0) 731 c_ign_eof=1; 732 else if (strcmp(*argv,"-no_ign_eof") == 0) 733 c_ign_eof=0; 734 else if (strcmp(*argv,"-pause") == 0) 735 c_Pause=1; 736 else if (strcmp(*argv,"-debug") == 0) 737 c_debug=1; 738#ifndef OPENSSL_NO_TLSEXT 739 else if (strcmp(*argv,"-tlsextdebug") == 0) 740 c_tlsextdebug=1; 741 else if (strcmp(*argv,"-status") == 0) 742 c_status_req=1; 743#endif 744#ifdef WATT32 745 else if (strcmp(*argv,"-wdebug") == 0) 746 dbug_init(); 747#endif 748 else if (strcmp(*argv,"-msg") == 0) 749 c_msg=1; 750 else if (strcmp(*argv,"-showcerts") == 0) 751 c_showcerts=1; 752 else if (strcmp(*argv,"-nbio_test") == 0) 753 nbio_test=1; 754 else if (strcmp(*argv,"-state") == 0) 755 state=1; 756#ifndef OPENSSL_NO_PSK 757 else if (strcmp(*argv,"-psk_identity") == 0) 758 { 759 if (--argc < 1) goto bad; 760 psk_identity=*(++argv); 761 } 762 else if (strcmp(*argv,"-psk") == 0) 763 { 764 size_t j; 765 766 if (--argc < 1) goto bad; 767 psk_key=*(++argv); 768 for (j = 0; j < strlen(psk_key); j++) 769 { 770 if (isxdigit((unsigned char)psk_key[j])) 771 continue; 772 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 773 goto bad; 774 } 775 } 776#endif 777#ifndef OPENSSL_NO_SRP 778 else if (strcmp(*argv,"-srpuser") == 0) 779 { 780 if (--argc < 1) goto bad; 781 srp_arg.srplogin= *(++argv); 782 meth=TLSv1_client_method(); 783 } 784 else if (strcmp(*argv,"-srppass") == 0) 785 { 786 if (--argc < 1) goto bad; 787 srppass= *(++argv); 788 meth=TLSv1_client_method(); 789 } 790 else if (strcmp(*argv,"-srp_strength") == 0) 791 { 792 if (--argc < 1) goto bad; 793 srp_arg.strength=atoi(*(++argv)); 794 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 795 meth=TLSv1_client_method(); 796 } 797 else if (strcmp(*argv,"-srp_lateuser") == 0) 798 { 799 srp_lateuser= 1; 800 meth=TLSv1_client_method(); 801 } 802 else if (strcmp(*argv,"-srp_moregroups") == 0) 803 { 804 srp_arg.amp=1; 805 meth=TLSv1_client_method(); 806 } 807#endif 808#ifndef OPENSSL_NO_SSL2 809 else if (strcmp(*argv,"-ssl2") == 0) 810 meth=SSLv2_client_method(); 811#endif 812#ifndef OPENSSL_NO_SSL3_METHOD 813 else if (strcmp(*argv,"-ssl3") == 0) 814 meth=SSLv3_client_method(); 815#endif 816#ifndef OPENSSL_NO_TLS1 817 else if (strcmp(*argv,"-tls1_2") == 0) 818 meth=TLSv1_2_client_method(); 819 else if (strcmp(*argv,"-tls1_1") == 0) 820 meth=TLSv1_1_client_method(); 821 else if (strcmp(*argv,"-tls1") == 0) 822 meth=TLSv1_client_method(); 823#endif 824#ifndef OPENSSL_NO_DTLS1 825 else if (strcmp(*argv,"-dtls1") == 0) 826 { 827 meth=DTLSv1_client_method(); 828 socket_type=SOCK_DGRAM; 829 } 830 else if (strcmp(*argv,"-fallback_scsv") == 0) 831 { 832 fallback_scsv = 1; 833 } 834 else if (strcmp(*argv,"-timeout") == 0) 835 enable_timeouts=1; 836 else if (strcmp(*argv,"-mtu") == 0) 837 { 838 if (--argc < 1) goto bad; 839 socket_mtu = atol(*(++argv)); 840 } 841#endif 842 else if (strcmp(*argv,"-bugs") == 0) 843 bugs=1; 844 else if (strcmp(*argv,"-keyform") == 0) 845 { 846 if (--argc < 1) goto bad; 847 key_format = str2fmt(*(++argv)); 848 } 849 else if (strcmp(*argv,"-pass") == 0) 850 { 851 if (--argc < 1) goto bad; 852 passarg = *(++argv); 853 } 854 else if (strcmp(*argv,"-key") == 0) 855 { 856 if (--argc < 1) goto bad; 857 key_file= *(++argv); 858 } 859 else if (strcmp(*argv,"-reconnect") == 0) 860 { 861 reconnect=5; 862 } 863 else if (strcmp(*argv,"-CApath") == 0) 864 { 865 if (--argc < 1) goto bad; 866 CApath= *(++argv); 867 } 868 else if (strcmp(*argv,"-CAfile") == 0) 869 { 870 if (--argc < 1) goto bad; 871 CAfile= *(++argv); 872 } 873 else if (strcmp(*argv,"-no_tls1_2") == 0) 874 off|=SSL_OP_NO_TLSv1_2; 875 else if (strcmp(*argv,"-no_tls1_1") == 0) 876 off|=SSL_OP_NO_TLSv1_1; 877 else if (strcmp(*argv,"-no_tls1") == 0) 878 off|=SSL_OP_NO_TLSv1; 879 else if (strcmp(*argv,"-no_ssl3") == 0) 880 off|=SSL_OP_NO_SSLv3; 881 else if (strcmp(*argv,"-no_ssl2") == 0) 882 off|=SSL_OP_NO_SSLv2; 883 else if (strcmp(*argv,"-no_comp") == 0) 884 { off|=SSL_OP_NO_COMPRESSION; } 885#ifndef OPENSSL_NO_TLSEXT 886 else if (strcmp(*argv,"-no_ticket") == 0) 887 { off|=SSL_OP_NO_TICKET; } 888# ifndef OPENSSL_NO_NEXTPROTONEG 889 else if (strcmp(*argv,"-nextprotoneg") == 0) 890 { 891 if (--argc < 1) goto bad; 892 next_proto_neg_in = *(++argv); 893 } 894# endif 895#endif 896 else if (strcmp(*argv,"-serverpref") == 0) 897 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 898 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 899 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 900 else if (strcmp(*argv,"-legacy_server_connect") == 0) 901 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 902 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 903 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 904 else if (strcmp(*argv,"-cipher") == 0) 905 { 906 if (--argc < 1) goto bad; 907 cipher= *(++argv); 908 } 909#ifdef FIONBIO 910 else if (strcmp(*argv,"-nbio") == 0) 911 { c_nbio=1; } 912#endif 913 else if (strcmp(*argv,"-starttls") == 0) 914 { 915 if (--argc < 1) goto bad; 916 ++argv; 917 if (strcmp(*argv,"smtp") == 0) 918 starttls_proto = PROTO_SMTP; 919 else if (strcmp(*argv,"pop3") == 0) 920 starttls_proto = PROTO_POP3; 921 else if (strcmp(*argv,"imap") == 0) 922 starttls_proto = PROTO_IMAP; 923 else if (strcmp(*argv,"ftp") == 0) 924 starttls_proto = PROTO_FTP; 925 else if (strcmp(*argv, "xmpp") == 0) 926 starttls_proto = PROTO_XMPP; 927 else 928 goto bad; 929 } 930#ifndef OPENSSL_NO_ENGINE 931 else if (strcmp(*argv,"-engine") == 0) 932 { 933 if (--argc < 1) goto bad; 934 engine_id = *(++argv); 935 } 936 else if (strcmp(*argv,"-ssl_client_engine") == 0) 937 { 938 if (--argc < 1) goto bad; 939 ssl_client_engine_id = *(++argv); 940 } 941#endif 942 else if (strcmp(*argv,"-rand") == 0) 943 { 944 if (--argc < 1) goto bad; 945 inrand= *(++argv); 946 } 947#ifndef OPENSSL_NO_TLSEXT 948 else if (strcmp(*argv,"-servername") == 0) 949 { 950 if (--argc < 1) goto bad; 951 servername= *(++argv); 952 /* meth=TLSv1_client_method(); */ 953 } 954#endif 955#ifndef OPENSSL_NO_JPAKE 956 else if (strcmp(*argv,"-jpake") == 0) 957 { 958 if (--argc < 1) goto bad; 959 jpake_secret = *++argv; 960 } 961#endif 962#ifndef OPENSSL_NO_SRTP 963 else if (strcmp(*argv,"-use_srtp") == 0) 964 { 965 if (--argc < 1) goto bad; 966 srtp_profiles = *(++argv); 967 } 968#endif 969 else if (strcmp(*argv,"-keymatexport") == 0) 970 { 971 if (--argc < 1) goto bad; 972 keymatexportlabel= *(++argv); 973 } 974 else if (strcmp(*argv,"-keymatexportlen") == 0) 975 { 976 if (--argc < 1) goto bad; 977 keymatexportlen=atoi(*(++argv)); 978 if (keymatexportlen == 0) goto bad; 979 } 980 else 981 { 982 BIO_printf(bio_err,"unknown option %s\n",*argv); 983 badop=1; 984 break; 985 } 986 argc--; 987 argv++; 988 } 989 if (badop) 990 { 991bad: 992 sc_usage(); 993 goto end; 994 } 995 996#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 997 if (jpake_secret) 998 { 999 if (psk_key) 1000 { 1001 BIO_printf(bio_err, 1002 "Can't use JPAKE and PSK together\n"); 1003 goto end; 1004 } 1005 psk_identity = "JPAKE"; 1006 if (cipher) 1007 { 1008 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1009 goto end; 1010 } 1011 cipher = "PSK"; 1012 } 1013#endif 1014 1015 OpenSSL_add_ssl_algorithms(); 1016 SSL_load_error_strings(); 1017 1018#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1019 next_proto.status = -1; 1020 if (next_proto_neg_in) 1021 { 1022 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1023 if (next_proto.data == NULL) 1024 { 1025 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1026 goto end; 1027 } 1028 } 1029 else 1030 next_proto.data = NULL; 1031#endif 1032 1033#ifndef OPENSSL_NO_ENGINE 1034 e = setup_engine(bio_err, engine_id, 1); 1035 if (ssl_client_engine_id) 1036 { 1037 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1038 if (!ssl_client_engine) 1039 { 1040 BIO_printf(bio_err, 1041 "Error getting client auth engine\n"); 1042 goto end; 1043 } 1044 } 1045 1046#endif 1047 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1048 { 1049 BIO_printf(bio_err, "Error getting password\n"); 1050 goto end; 1051 } 1052 1053 if (key_file == NULL) 1054 key_file = cert_file; 1055 1056 1057 if (key_file) 1058 1059 { 1060 1061 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1062 "client certificate private key file"); 1063 if (!key) 1064 { 1065 ERR_print_errors(bio_err); 1066 goto end; 1067 } 1068 1069 } 1070 1071 if (cert_file) 1072 1073 { 1074 cert = load_cert(bio_err,cert_file,cert_format, 1075 NULL, e, "client certificate file"); 1076 1077 if (!cert) 1078 { 1079 ERR_print_errors(bio_err); 1080 goto end; 1081 } 1082 } 1083 1084 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1085 && !RAND_status()) 1086 { 1087 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1088 } 1089 if (inrand != NULL) 1090 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1091 app_RAND_load_files(inrand)); 1092 1093 if (bio_c_out == NULL) 1094 { 1095 if (c_quiet && !c_debug && !c_msg) 1096 { 1097 bio_c_out=BIO_new(BIO_s_null()); 1098 } 1099 else 1100 { 1101 if (bio_c_out == NULL) 1102 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1103 } 1104 } 1105 1106#ifndef OPENSSL_NO_SRP 1107 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1108 { 1109 BIO_printf(bio_err, "Error getting password\n"); 1110 goto end; 1111 } 1112#endif 1113 1114 ctx=SSL_CTX_new(meth); 1115 if (ctx == NULL) 1116 { 1117 ERR_print_errors(bio_err); 1118 goto end; 1119 } 1120 1121 if (vpm) 1122 SSL_CTX_set1_param(ctx, vpm); 1123 1124#ifndef OPENSSL_NO_ENGINE 1125 if (ssl_client_engine) 1126 { 1127 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1128 { 1129 BIO_puts(bio_err, "Error setting client auth engine\n"); 1130 ERR_print_errors(bio_err); 1131 ENGINE_free(ssl_client_engine); 1132 goto end; 1133 } 1134 ENGINE_free(ssl_client_engine); 1135 } 1136#endif 1137 1138#ifndef OPENSSL_NO_PSK 1139#ifdef OPENSSL_NO_JPAKE 1140 if (psk_key != NULL) 1141#else 1142 if (psk_key != NULL || jpake_secret) 1143#endif 1144 { 1145 if (c_debug) 1146 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1147 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1148 } 1149#endif 1150#ifndef OPENSSL_NO_SRTP 1151 if (srtp_profiles != NULL) 1152 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1153#endif 1154 if (bugs) 1155 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1156 else 1157 SSL_CTX_set_options(ctx,off); 1158 1159 if (clr) 1160 SSL_CTX_clear_options(ctx, clr); 1161 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1162 * Setting read ahead solves this problem. 1163 */ 1164 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1165 1166#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1167 if (next_proto.data) 1168 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1169#endif 1170 1171 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1172 if (cipher != NULL) 1173 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1174 BIO_printf(bio_err,"error setting cipher list\n"); 1175 ERR_print_errors(bio_err); 1176 goto end; 1177 } 1178#if 0 1179 else 1180 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1181#endif 1182 1183 SSL_CTX_set_verify(ctx,verify,verify_callback); 1184 if (!set_cert_key_stuff(ctx,cert,key)) 1185 goto end; 1186 1187 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1188 (!SSL_CTX_set_default_verify_paths(ctx))) 1189 { 1190 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1191 ERR_print_errors(bio_err); 1192 /* goto end; */ 1193 } 1194 1195#ifndef OPENSSL_NO_TLSEXT 1196 if (servername != NULL) 1197 { 1198 tlsextcbp.biodebug = bio_err; 1199 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1200 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1201 } 1202#ifndef OPENSSL_NO_SRP 1203 if (srp_arg.srplogin) 1204 { 1205 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1206 { 1207 BIO_printf(bio_err,"Unable to set SRP username\n"); 1208 goto end; 1209 } 1210 srp_arg.msg = c_msg; 1211 srp_arg.debug = c_debug ; 1212 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1213 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1214 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1215 if (c_msg || c_debug || srp_arg.amp == 0) 1216 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1217 } 1218 1219#endif 1220#endif 1221 1222 con=SSL_new(ctx); 1223 if (sess_in) 1224 { 1225 SSL_SESSION *sess; 1226 BIO *stmp = BIO_new_file(sess_in, "r"); 1227 if (!stmp) 1228 { 1229 BIO_printf(bio_err, "Can't open session file %s\n", 1230 sess_in); 1231 ERR_print_errors(bio_err); 1232 goto end; 1233 } 1234 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1235 BIO_free(stmp); 1236 if (!sess) 1237 { 1238 BIO_printf(bio_err, "Can't open session file %s\n", 1239 sess_in); 1240 ERR_print_errors(bio_err); 1241 goto end; 1242 } 1243 SSL_set_session(con, sess); 1244 SSL_SESSION_free(sess); 1245 } 1246 1247 if (fallback_scsv) 1248 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1249 1250#ifndef OPENSSL_NO_TLSEXT 1251 if (servername != NULL) 1252 { 1253 if (!SSL_set_tlsext_host_name(con,servername)) 1254 { 1255 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1256 ERR_print_errors(bio_err); 1257 goto end; 1258 } 1259 } 1260#endif 1261#ifndef OPENSSL_NO_KRB5 1262 if (con && (kctx = kssl_ctx_new()) != NULL) 1263 { 1264 SSL_set0_kssl_ctx(con, kctx); 1265 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1266 } 1267#endif /* OPENSSL_NO_KRB5 */ 1268/* SSL_set_cipher_list(con,"RC4-MD5"); */ 1269#if 0 1270#ifdef TLSEXT_TYPE_opaque_prf_input 1271 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1272#endif 1273#endif 1274 1275re_start: 1276 1277 if (init_client(&s,host,port,socket_type) == 0) 1278 { 1279 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1280 SHUTDOWN(s); 1281 goto end; 1282 } 1283 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1284 1285#ifdef FIONBIO 1286 if (c_nbio) 1287 { 1288 unsigned long l=1; 1289 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1290 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1291 { 1292 ERR_print_errors(bio_err); 1293 goto end; 1294 } 1295 } 1296#endif 1297 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1298 1299 if ( SSL_version(con) == DTLS1_VERSION) 1300 { 1301 1302 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1303 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1304 { 1305 BIO_printf(bio_err, "getsockname:errno=%d\n", 1306 get_last_socket_error()); 1307 SHUTDOWN(s); 1308 goto end; 1309 } 1310 1311 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1312 1313 if (enable_timeouts) 1314 { 1315 timeout.tv_sec = 0; 1316 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1317 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1318 1319 timeout.tv_sec = 0; 1320 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1321 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1322 } 1323 1324 if (socket_mtu) 1325 { 1326 if(socket_mtu < DTLS_get_link_min_mtu(con)) 1327 { 1328 BIO_printf(bio_err,"MTU too small. Must be at least %ld\n", 1329 DTLS_get_link_min_mtu(con)); 1330 BIO_free(sbio); 1331 goto shut; 1332 } 1333 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1334 if(!DTLS_set_link_mtu(con, socket_mtu)) 1335 { 1336 BIO_printf(bio_err, "Failed to set MTU\n"); 1337 BIO_free(sbio); 1338 goto shut; 1339 } 1340 } 1341 else 1342 /* want to do MTU discovery */ 1343 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1344 } 1345 else 1346 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1347 1348 if (nbio_test) 1349 { 1350 BIO *test; 1351 1352 test=BIO_new(BIO_f_nbio_test()); 1353 sbio=BIO_push(test,sbio); 1354 } 1355 1356 if (c_debug) 1357 { 1358 SSL_set_debug(con, 1); 1359 BIO_set_callback(sbio,bio_dump_callback); 1360 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1361 } 1362 if (c_msg) 1363 { 1364 SSL_set_msg_callback(con, msg_cb); 1365 SSL_set_msg_callback_arg(con, bio_c_out); 1366 } 1367#ifndef OPENSSL_NO_TLSEXT 1368 if (c_tlsextdebug) 1369 { 1370 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1371 SSL_set_tlsext_debug_arg(con, bio_c_out); 1372 } 1373 if (c_status_req) 1374 { 1375 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1376 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1377 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1378#if 0 1379{ 1380STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1381OCSP_RESPID *id = OCSP_RESPID_new(); 1382id->value.byKey = ASN1_OCTET_STRING_new(); 1383id->type = V_OCSP_RESPID_KEY; 1384ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1385sk_OCSP_RESPID_push(ids, id); 1386SSL_set_tlsext_status_ids(con, ids); 1387} 1388#endif 1389 } 1390#endif 1391#ifndef OPENSSL_NO_JPAKE 1392 if (jpake_secret) 1393 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1394#endif 1395 1396 SSL_set_bio(con,sbio,sbio); 1397 SSL_set_connect_state(con); 1398 1399 /* ok, lets connect */ 1400 width=SSL_get_fd(con)+1; 1401 1402 read_tty=1; 1403 write_tty=0; 1404 tty_on=0; 1405 read_ssl=1; 1406 write_ssl=1; 1407 1408 cbuf_len=0; 1409 cbuf_off=0; 1410 sbuf_len=0; 1411 sbuf_off=0; 1412 1413 /* This is an ugly hack that does a lot of assumptions */ 1414 /* We do have to handle multi-line responses which may come 1415 in a single packet or not. We therefore have to use 1416 BIO_gets() which does need a buffering BIO. So during 1417 the initial chitchat we do push a buffering BIO into the 1418 chain that is removed again later on to not disturb the 1419 rest of the s_client operation. */ 1420 if (starttls_proto == PROTO_SMTP) 1421 { 1422 int foundit=0; 1423 BIO *fbio = BIO_new(BIO_f_buffer()); 1424 BIO_push(fbio, sbio); 1425 /* wait for multi-line response to end from SMTP */ 1426 do 1427 { 1428 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1429 } 1430 while (mbuf_len>3 && mbuf[3]=='-'); 1431 /* STARTTLS command requires EHLO... */ 1432 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1433 (void)BIO_flush(fbio); 1434 /* wait for multi-line response to end EHLO SMTP response */ 1435 do 1436 { 1437 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1438 if (strstr(mbuf,"STARTTLS")) 1439 foundit=1; 1440 } 1441 while (mbuf_len>3 && mbuf[3]=='-'); 1442 (void)BIO_flush(fbio); 1443 BIO_pop(fbio); 1444 BIO_free(fbio); 1445 if (!foundit) 1446 BIO_printf(bio_err, 1447 "didn't found starttls in server response," 1448 " try anyway...\n"); 1449 BIO_printf(sbio,"STARTTLS\r\n"); 1450 BIO_read(sbio,sbuf,BUFSIZZ); 1451 } 1452 else if (starttls_proto == PROTO_POP3) 1453 { 1454 BIO_read(sbio,mbuf,BUFSIZZ); 1455 BIO_printf(sbio,"STLS\r\n"); 1456 BIO_read(sbio,sbuf,BUFSIZZ); 1457 } 1458 else if (starttls_proto == PROTO_IMAP) 1459 { 1460 int foundit=0; 1461 BIO *fbio = BIO_new(BIO_f_buffer()); 1462 BIO_push(fbio, sbio); 1463 BIO_gets(fbio,mbuf,BUFSIZZ); 1464 /* STARTTLS command requires CAPABILITY... */ 1465 BIO_printf(fbio,". CAPABILITY\r\n"); 1466 (void)BIO_flush(fbio); 1467 /* wait for multi-line CAPABILITY response */ 1468 do 1469 { 1470 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1471 if (strstr(mbuf,"STARTTLS")) 1472 foundit=1; 1473 } 1474 while (mbuf_len>3 && mbuf[0]!='.'); 1475 (void)BIO_flush(fbio); 1476 BIO_pop(fbio); 1477 BIO_free(fbio); 1478 if (!foundit) 1479 BIO_printf(bio_err, 1480 "didn't found STARTTLS in server response," 1481 " try anyway...\n"); 1482 BIO_printf(sbio,". STARTTLS\r\n"); 1483 BIO_read(sbio,sbuf,BUFSIZZ); 1484 } 1485 else if (starttls_proto == PROTO_FTP) 1486 { 1487 BIO *fbio = BIO_new(BIO_f_buffer()); 1488 BIO_push(fbio, sbio); 1489 /* wait for multi-line response to end from FTP */ 1490 do 1491 { 1492 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1493 } 1494 while (mbuf_len>3 && mbuf[3]=='-'); 1495 (void)BIO_flush(fbio); 1496 BIO_pop(fbio); 1497 BIO_free(fbio); 1498 BIO_printf(sbio,"AUTH TLS\r\n"); 1499 BIO_read(sbio,sbuf,BUFSIZZ); 1500 } 1501 if (starttls_proto == PROTO_XMPP) 1502 { 1503 int seen = 0; 1504 BIO_printf(sbio,"<stream:stream " 1505 "xmlns:stream='http://etherx.jabber.org/streams' " 1506 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1507 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1508 mbuf[seen] = 0; 1509 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1510 { 1511 if (strstr(mbuf, "/stream:features>")) 1512 goto shut; 1513 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1514 mbuf[seen] = 0; 1515 } 1516 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1517 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1518 sbuf[seen] = 0; 1519 if (!strstr(sbuf, "<proceed")) 1520 goto shut; 1521 mbuf[0] = 0; 1522 } 1523 1524 for (;;) 1525 { 1526 FD_ZERO(&readfds); 1527 FD_ZERO(&writefds); 1528 1529 if ((SSL_version(con) == DTLS1_VERSION) && 1530 DTLSv1_get_timeout(con, &timeout)) 1531 timeoutp = &timeout; 1532 else 1533 timeoutp = NULL; 1534 1535 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1536 { 1537 in_init=1; 1538 tty_on=0; 1539 } 1540 else 1541 { 1542 tty_on=1; 1543 if (in_init) 1544 { 1545 in_init=0; 1546#if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1547#ifndef OPENSSL_NO_TLSEXT 1548 if (servername != NULL && !SSL_session_reused(con)) 1549 { 1550 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1551 } 1552#endif 1553#endif 1554 if (sess_out) 1555 { 1556 BIO *stmp = BIO_new_file(sess_out, "w"); 1557 if (stmp) 1558 { 1559 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1560 BIO_free(stmp); 1561 } 1562 else 1563 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1564 } 1565 print_stuff(bio_c_out,con,full_log); 1566 if (full_log > 0) full_log--; 1567 1568 if (starttls_proto) 1569 { 1570 BIO_printf(bio_err,"%s",mbuf); 1571 /* We don't need to know any more */ 1572 starttls_proto = PROTO_OFF; 1573 } 1574 1575 if (reconnect) 1576 { 1577 reconnect--; 1578 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1579 SSL_shutdown(con); 1580 SSL_set_connect_state(con); 1581 SHUTDOWN(SSL_get_fd(con)); 1582 goto re_start; 1583 } 1584 } 1585 } 1586 1587 ssl_pending = read_ssl && SSL_pending(con); 1588 1589 if (!ssl_pending) 1590 { 1591#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1592 if (tty_on) 1593 { 1594 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1595 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1596 } 1597 if (read_ssl) 1598 openssl_fdset(SSL_get_fd(con),&readfds); 1599 if (write_ssl) 1600 openssl_fdset(SSL_get_fd(con),&writefds); 1601#else 1602 if(!tty_on || !write_tty) { 1603 if (read_ssl) 1604 openssl_fdset(SSL_get_fd(con),&readfds); 1605 if (write_ssl) 1606 openssl_fdset(SSL_get_fd(con),&writefds); 1607 } 1608#endif 1609/* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1610 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1611 1612 /* Note: under VMS with SOCKETSHR the second parameter 1613 * is currently of type (int *) whereas under other 1614 * systems it is (void *) if you don't have a cast it 1615 * will choke the compiler: if you do have a cast then 1616 * you can either go for (int *) or (void *). 1617 */ 1618#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1619 /* Under Windows/DOS we make the assumption that we can 1620 * always write to the tty: therefore if we need to 1621 * write to the tty we just fall through. Otherwise 1622 * we timeout the select every second and see if there 1623 * are any keypresses. Note: this is a hack, in a proper 1624 * Windows application we wouldn't do this. 1625 */ 1626 i=0; 1627 if(!write_tty) { 1628 if(read_tty) { 1629 tv.tv_sec = 1; 1630 tv.tv_usec = 0; 1631 i=select(width,(void *)&readfds,(void *)&writefds, 1632 NULL,&tv); 1633#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1634 if(!i && (!_kbhit() || !read_tty) ) continue; 1635#else 1636 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1637#endif 1638 } else i=select(width,(void *)&readfds,(void *)&writefds, 1639 NULL,timeoutp); 1640 } 1641#elif defined(OPENSSL_SYS_NETWARE) 1642 if(!write_tty) { 1643 if(read_tty) { 1644 tv.tv_sec = 1; 1645 tv.tv_usec = 0; 1646 i=select(width,(void *)&readfds,(void *)&writefds, 1647 NULL,&tv); 1648 } else i=select(width,(void *)&readfds,(void *)&writefds, 1649 NULL,timeoutp); 1650 } 1651#elif defined(OPENSSL_SYS_BEOS_R5) 1652 /* Under BeOS-R5 the situation is similar to DOS */ 1653 i=0; 1654 stdin_set = 0; 1655 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1656 if(!write_tty) { 1657 if(read_tty) { 1658 tv.tv_sec = 1; 1659 tv.tv_usec = 0; 1660 i=select(width,(void *)&readfds,(void *)&writefds, 1661 NULL,&tv); 1662 if (read(fileno(stdin), sbuf, 0) >= 0) 1663 stdin_set = 1; 1664 if (!i && (stdin_set != 1 || !read_tty)) 1665 continue; 1666 } else i=select(width,(void *)&readfds,(void *)&writefds, 1667 NULL,timeoutp); 1668 } 1669 (void)fcntl(fileno(stdin), F_SETFL, 0); 1670#else 1671 i=select(width,(void *)&readfds,(void *)&writefds, 1672 NULL,timeoutp); 1673#endif 1674 if ( i < 0) 1675 { 1676 BIO_printf(bio_err,"bad select %d\n", 1677 get_last_socket_error()); 1678 goto shut; 1679 /* goto end; */ 1680 } 1681 } 1682 1683 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1684 { 1685 BIO_printf(bio_err,"TIMEOUT occured\n"); 1686 } 1687 1688 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1689 { 1690 k=SSL_write(con,&(cbuf[cbuf_off]), 1691 (unsigned int)cbuf_len); 1692 switch (SSL_get_error(con,k)) 1693 { 1694 case SSL_ERROR_NONE: 1695 cbuf_off+=k; 1696 cbuf_len-=k; 1697 if (k <= 0) goto end; 1698 /* we have done a write(con,NULL,0); */ 1699 if (cbuf_len <= 0) 1700 { 1701 read_tty=1; 1702 write_ssl=0; 1703 } 1704 else /* if (cbuf_len > 0) */ 1705 { 1706 read_tty=0; 1707 write_ssl=1; 1708 } 1709 break; 1710 case SSL_ERROR_WANT_WRITE: 1711 BIO_printf(bio_c_out,"write W BLOCK\n"); 1712 write_ssl=1; 1713 read_tty=0; 1714 break; 1715 case SSL_ERROR_WANT_READ: 1716 BIO_printf(bio_c_out,"write R BLOCK\n"); 1717 write_tty=0; 1718 read_ssl=1; 1719 write_ssl=0; 1720 break; 1721 case SSL_ERROR_WANT_X509_LOOKUP: 1722 BIO_printf(bio_c_out,"write X BLOCK\n"); 1723 break; 1724 case SSL_ERROR_ZERO_RETURN: 1725 if (cbuf_len != 0) 1726 { 1727 BIO_printf(bio_c_out,"shutdown\n"); 1728 ret = 0; 1729 goto shut; 1730 } 1731 else 1732 { 1733 read_tty=1; 1734 write_ssl=0; 1735 break; 1736 } 1737 1738 case SSL_ERROR_SYSCALL: 1739 if ((k != 0) || (cbuf_len != 0)) 1740 { 1741 BIO_printf(bio_err,"write:errno=%d\n", 1742 get_last_socket_error()); 1743 goto shut; 1744 } 1745 else 1746 { 1747 read_tty=1; 1748 write_ssl=0; 1749 } 1750 break; 1751 case SSL_ERROR_SSL: 1752 ERR_print_errors(bio_err); 1753 goto shut; 1754 } 1755 } 1756#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1757 /* Assume Windows/DOS/BeOS can always write */ 1758 else if (!ssl_pending && write_tty) 1759#else 1760 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1761#endif 1762 { 1763#ifdef CHARSET_EBCDIC 1764 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1765#endif 1766 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1767 1768 if (i <= 0) 1769 { 1770 BIO_printf(bio_c_out,"DONE\n"); 1771 ret = 0; 1772 goto shut; 1773 /* goto end; */ 1774 } 1775 1776 sbuf_len-=i;; 1777 sbuf_off+=i; 1778 if (sbuf_len <= 0) 1779 { 1780 read_ssl=1; 1781 write_tty=0; 1782 } 1783 } 1784 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1785 { 1786#ifdef RENEG 1787{ static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1788#endif 1789#if 1 1790 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1791#else 1792/* Demo for pending and peek :-) */ 1793 k=SSL_read(con,sbuf,16); 1794{ char zbuf[10240]; 1795printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1796} 1797#endif 1798 1799 switch (SSL_get_error(con,k)) 1800 { 1801 case SSL_ERROR_NONE: 1802 if (k <= 0) 1803 goto end; 1804 sbuf_off=0; 1805 sbuf_len=k; 1806 1807 read_ssl=0; 1808 write_tty=1; 1809 break; 1810 case SSL_ERROR_WANT_WRITE: 1811 BIO_printf(bio_c_out,"read W BLOCK\n"); 1812 write_ssl=1; 1813 read_tty=0; 1814 break; 1815 case SSL_ERROR_WANT_READ: 1816 BIO_printf(bio_c_out,"read R BLOCK\n"); 1817 write_tty=0; 1818 read_ssl=1; 1819 if ((read_tty == 0) && (write_ssl == 0)) 1820 write_ssl=1; 1821 break; 1822 case SSL_ERROR_WANT_X509_LOOKUP: 1823 BIO_printf(bio_c_out,"read X BLOCK\n"); 1824 break; 1825 case SSL_ERROR_SYSCALL: 1826 ret=get_last_socket_error(); 1827 BIO_printf(bio_err,"read:errno=%d\n",ret); 1828 goto shut; 1829 case SSL_ERROR_ZERO_RETURN: 1830 BIO_printf(bio_c_out,"closed\n"); 1831 ret=0; 1832 goto shut; 1833 case SSL_ERROR_SSL: 1834 ERR_print_errors(bio_err); 1835 goto shut; 1836 /* break; */ 1837 } 1838 } 1839 1840#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1841#if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1842 else if (_kbhit()) 1843#else 1844 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1845#endif 1846#elif defined (OPENSSL_SYS_NETWARE) 1847 else if (_kbhit()) 1848#elif defined(OPENSSL_SYS_BEOS_R5) 1849 else if (stdin_set) 1850#else 1851 else if (FD_ISSET(fileno(stdin),&readfds)) 1852#endif 1853 { 1854 if (crlf) 1855 { 1856 int j, lf_num; 1857 1858 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1859 lf_num = 0; 1860 /* both loops are skipped when i <= 0 */ 1861 for (j = 0; j < i; j++) 1862 if (cbuf[j] == '\n') 1863 lf_num++; 1864 for (j = i-1; j >= 0; j--) 1865 { 1866 cbuf[j+lf_num] = cbuf[j]; 1867 if (cbuf[j] == '\n') 1868 { 1869 lf_num--; 1870 i++; 1871 cbuf[j+lf_num] = '\r'; 1872 } 1873 } 1874 assert(lf_num == 0); 1875 } 1876 else 1877 i=raw_read_stdin(cbuf,BUFSIZZ); 1878 1879 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1880 { 1881 BIO_printf(bio_err,"DONE\n"); 1882 ret=0; 1883 goto shut; 1884 } 1885 1886 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1887 { 1888 BIO_printf(bio_err,"RENEGOTIATING\n"); 1889 SSL_renegotiate(con); 1890 cbuf_len=0; 1891 } 1892#ifndef OPENSSL_NO_HEARTBEATS 1893 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1894 { 1895 BIO_printf(bio_err,"HEARTBEATING\n"); 1896 SSL_heartbeat(con); 1897 cbuf_len=0; 1898 } 1899#endif 1900 else 1901 { 1902 cbuf_len=i; 1903 cbuf_off=0; 1904#ifdef CHARSET_EBCDIC 1905 ebcdic2ascii(cbuf, cbuf, i); 1906#endif 1907 } 1908 1909 write_ssl=1; 1910 read_tty=0; 1911 } 1912 } 1913 1914 ret=0; 1915shut: 1916 if (in_init) 1917 print_stuff(bio_c_out,con,full_log); 1918 SSL_shutdown(con); 1919 SHUTDOWN(SSL_get_fd(con)); 1920end: 1921 if (con != NULL) 1922 { 1923 if (prexit != 0) 1924 print_stuff(bio_c_out,con,1); 1925 SSL_free(con); 1926 } 1927#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1928 if (next_proto.data) 1929 OPENSSL_free(next_proto.data); 1930#endif 1931 if (ctx != NULL) SSL_CTX_free(ctx); 1932 if (cert) 1933 X509_free(cert); 1934 if (key) 1935 EVP_PKEY_free(key); 1936 if (pass) 1937 OPENSSL_free(pass); 1938 if (vpm) 1939 X509_VERIFY_PARAM_free(vpm); 1940 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1941 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1942 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1943 if (bio_c_out != NULL) 1944 { 1945 BIO_free(bio_c_out); 1946 bio_c_out=NULL; 1947 } 1948 apps_shutdown(); 1949 OPENSSL_EXIT(ret); 1950 } 1951 1952 1953static void print_stuff(BIO *bio, SSL *s, int full) 1954 { 1955 X509 *peer=NULL; 1956 char *p; 1957 static const char *space=" "; 1958 char buf[BUFSIZ]; 1959 STACK_OF(X509) *sk; 1960 STACK_OF(X509_NAME) *sk2; 1961 const SSL_CIPHER *c; 1962 X509_NAME *xn; 1963 int j,i; 1964#ifndef OPENSSL_NO_COMP 1965 const COMP_METHOD *comp, *expansion; 1966#endif 1967 unsigned char *exportedkeymat; 1968 1969 if (full) 1970 { 1971 int got_a_chain = 0; 1972 1973 sk=SSL_get_peer_cert_chain(s); 1974 if (sk != NULL) 1975 { 1976 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1977 1978 BIO_printf(bio,"---\nCertificate chain\n"); 1979 for (i=0; i<sk_X509_num(sk); i++) 1980 { 1981 X509_NAME_oneline(X509_get_subject_name( 1982 sk_X509_value(sk,i)),buf,sizeof buf); 1983 BIO_printf(bio,"%2d s:%s\n",i,buf); 1984 X509_NAME_oneline(X509_get_issuer_name( 1985 sk_X509_value(sk,i)),buf,sizeof buf); 1986 BIO_printf(bio," i:%s\n",buf); 1987 if (c_showcerts) 1988 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1989 } 1990 } 1991 1992 BIO_printf(bio,"---\n"); 1993 peer=SSL_get_peer_certificate(s); 1994 if (peer != NULL) 1995 { 1996 BIO_printf(bio,"Server certificate\n"); 1997 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1998 PEM_write_bio_X509(bio,peer); 1999 X509_NAME_oneline(X509_get_subject_name(peer), 2000 buf,sizeof buf); 2001 BIO_printf(bio,"subject=%s\n",buf); 2002 X509_NAME_oneline(X509_get_issuer_name(peer), 2003 buf,sizeof buf); 2004 BIO_printf(bio,"issuer=%s\n",buf); 2005 } 2006 else 2007 BIO_printf(bio,"no peer certificate available\n"); 2008 2009 sk2=SSL_get_client_CA_list(s); 2010 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 2011 { 2012 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 2013 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2014 { 2015 xn=sk_X509_NAME_value(sk2,i); 2016 X509_NAME_oneline(xn,buf,sizeof(buf)); 2017 BIO_write(bio,buf,strlen(buf)); 2018 BIO_write(bio,"\n",1); 2019 } 2020 } 2021 else 2022 { 2023 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2024 } 2025 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2026 if (p != NULL) 2027 { 2028 /* This works only for SSL 2. In later protocol 2029 * versions, the client does not know what other 2030 * ciphers (in addition to the one to be used 2031 * in the current connection) the server supports. */ 2032 2033 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2034 j=i=0; 2035 while (*p) 2036 { 2037 if (*p == ':') 2038 { 2039 BIO_write(bio,space,15-j%25); 2040 i++; 2041 j=0; 2042 BIO_write(bio,((i%3)?" ":"\n"),1); 2043 } 2044 else 2045 { 2046 BIO_write(bio,p,1); 2047 j++; 2048 } 2049 p++; 2050 } 2051 BIO_write(bio,"\n",1); 2052 } 2053 2054 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2055 BIO_number_read(SSL_get_rbio(s)), 2056 BIO_number_written(SSL_get_wbio(s))); 2057 } 2058 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2059 c=SSL_get_current_cipher(s); 2060 BIO_printf(bio,"%s, Cipher is %s\n", 2061 SSL_CIPHER_get_version(c), 2062 SSL_CIPHER_get_name(c)); 2063 if (peer != NULL) { 2064 EVP_PKEY *pktmp; 2065 pktmp = X509_get_pubkey(peer); 2066 BIO_printf(bio,"Server public key is %d bit\n", 2067 EVP_PKEY_bits(pktmp)); 2068 EVP_PKEY_free(pktmp); 2069 } 2070 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2071 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2072#ifndef OPENSSL_NO_COMP 2073 comp=SSL_get_current_compression(s); 2074 expansion=SSL_get_current_expansion(s); 2075 BIO_printf(bio,"Compression: %s\n", 2076 comp ? SSL_COMP_get_name(comp) : "NONE"); 2077 BIO_printf(bio,"Expansion: %s\n", 2078 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2079#endif 2080 2081#ifdef SSL_DEBUG 2082 { 2083 /* Print out local port of connection: useful for debugging */ 2084 int sock; 2085 struct sockaddr_in ladd; 2086 socklen_t ladd_size = sizeof(ladd); 2087 sock = SSL_get_fd(s); 2088 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2089 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2090 } 2091#endif 2092 2093#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2094 if (next_proto.status != -1) { 2095 const unsigned char *proto; 2096 unsigned int proto_len; 2097 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2098 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2099 BIO_write(bio, proto, proto_len); 2100 BIO_write(bio, "\n", 1); 2101 } 2102#endif 2103 2104#ifndef OPENSSL_NO_SRTP 2105 { 2106 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2107 2108 if(srtp_profile) 2109 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2110 srtp_profile->name); 2111 } 2112#endif 2113 2114 SSL_SESSION_print(bio,SSL_get_session(s)); 2115 if (keymatexportlabel != NULL) 2116 { 2117 BIO_printf(bio, "Keying material exporter:\n"); 2118 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2119 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2120 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2121 if (exportedkeymat != NULL) 2122 { 2123 if (!SSL_export_keying_material(s, exportedkeymat, 2124 keymatexportlen, 2125 keymatexportlabel, 2126 strlen(keymatexportlabel), 2127 NULL, 0, 0)) 2128 { 2129 BIO_printf(bio, " Error\n"); 2130 } 2131 else 2132 { 2133 BIO_printf(bio, " Keying material: "); 2134 for (i=0; i<keymatexportlen; i++) 2135 BIO_printf(bio, "%02X", 2136 exportedkeymat[i]); 2137 BIO_printf(bio, "\n"); 2138 } 2139 OPENSSL_free(exportedkeymat); 2140 } 2141 } 2142 BIO_printf(bio,"---\n"); 2143 if (peer != NULL) 2144 X509_free(peer); 2145 /* flush, or debugging output gets mixed with http response */ 2146 (void)BIO_flush(bio); 2147 } 2148 2149#ifndef OPENSSL_NO_TLSEXT 2150 2151static int ocsp_resp_cb(SSL *s, void *arg) 2152 { 2153 const unsigned char *p; 2154 int len; 2155 OCSP_RESPONSE *rsp; 2156 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2157 BIO_puts(arg, "OCSP response: "); 2158 if (!p) 2159 { 2160 BIO_puts(arg, "no response sent\n"); 2161 return 1; 2162 } 2163 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2164 if (!rsp) 2165 { 2166 BIO_puts(arg, "response parse error\n"); 2167 BIO_dump_indent(arg, (char *)p, len, 4); 2168 return 0; 2169 } 2170 BIO_puts(arg, "\n======================================\n"); 2171 OCSP_RESPONSE_print(arg, rsp, 0); 2172 BIO_puts(arg, "======================================\n"); 2173 OCSP_RESPONSE_free(rsp); 2174 return 1; 2175 } 2176 2177#endif 2178