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 154 typedef 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*8 192 193 extern int verify_depth; 194 extern int verify_error; 195 extern int verify_return_error; 196 197 #ifdef FIONBIO 198 static int c_nbio=0; 199 #endif 200 static int c_Pause=0; 201 static int c_debug=0; 202 #ifndef OPENSSL_NO_TLSEXT 203 static int c_tlsextdebug=0; 204 static int c_status_req=0; 205 #endif 206 static int c_msg=0; 207 static int c_showcerts=0; 208 209 static void sc_usage(void); 210 static void print_stuff(BIO *berr,SSL *con,int full); 211 #ifndef OPENSSL_NO_TLSEXT 212 static int ocsp_resp_cb(SSL *s, void *arg); 213 #endif 214 static BIO *bio_c_out=NULL; 215 static int c_quiet=0; 216 static int c_ign_eof=0; 217 218 #ifndef OPENSSL_NO_PSK 219 /* Default PSK identity and key */ 220 static char *psk_identity="Client_identity"; 221 /*char *psk_key=NULL; by default PSK is not used */ 222 223 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 224 unsigned int max_identity_len, unsigned char *psk, 225 unsigned int max_psk_len) 226 { 227 unsigned int psk_len = 0; 228 int ret; 229 BIGNUM *bn=NULL; 230 231 if (c_debug) 232 BIO_printf(bio_c_out, "psk_client_cb\n"); 233 if (!hint) 234 { 235 /* no ServerKeyExchange message*/ 236 if (c_debug) 237 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); 238 } 239 else if (c_debug) 240 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 241 242 /* lookup PSK identity and PSK key based on the given identity hint here */ 243 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 244 if (ret < 0 || (unsigned int)ret > max_identity_len) 245 goto out_err; 246 if (c_debug) 247 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); 248 ret=BN_hex2bn(&bn, psk_key); 249 if (!ret) 250 { 251 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 252 if (bn) 253 BN_free(bn); 254 return 0; 255 } 256 257 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) 258 { 259 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 260 max_psk_len, BN_num_bytes(bn)); 261 BN_free(bn); 262 return 0; 263 } 264 265 psk_len=BN_bn2bin(bn, psk); 266 BN_free(bn); 267 if (psk_len == 0) 268 goto out_err; 269 270 if (c_debug) 271 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 272 273 return psk_len; 274 out_err: 275 if (c_debug) 276 BIO_printf(bio_err, "Error in PSK client callback\n"); 277 return 0; 278 } 279 #endif 280 281 static void sc_usage(void) 282 { 283 BIO_printf(bio_err,"usage: s_client args\n"); 284 BIO_printf(bio_err,"\n"); 285 BIO_printf(bio_err," -host host - use -connect instead\n"); 286 BIO_printf(bio_err," -port port - use -connect instead\n"); 287 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); 288 289 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 290 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 291 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 292 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 293 BIO_printf(bio_err," not specified but cert file is.\n"); 294 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 295 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 296 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 297 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 298 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 299 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 300 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 301 BIO_printf(bio_err," -debug - extra output\n"); 302 #ifdef WATT32 303 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 304 #endif 305 BIO_printf(bio_err," -msg - Show protocol messages\n"); 306 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 307 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 308 #ifdef FIONBIO 309 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 310 #endif 311 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 312 BIO_printf(bio_err," -quiet - no s_client output\n"); 313 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 314 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 315 #ifndef OPENSSL_NO_PSK 316 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 317 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 318 # ifndef OPENSSL_NO_JPAKE 319 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 320 # endif 321 #endif 322 #ifndef OPENSSL_NO_SRP 323 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 324 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 325 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 326 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 327 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 328 #endif 329 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 330 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 331 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 332 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 333 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 334 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 335 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 336 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 337 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 338 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 339 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 340 BIO_printf(bio_err," command to see what is available\n"); 341 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 342 BIO_printf(bio_err," for those protocols that support it, where\n"); 343 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 344 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 345 BIO_printf(bio_err," are supported.\n"); 346 #ifndef OPENSSL_NO_ENGINE 347 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 348 #endif 349 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 350 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 351 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 352 #ifndef OPENSSL_NO_TLSEXT 353 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 354 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 355 BIO_printf(bio_err," -status - request certificate status from server\n"); 356 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 357 #endif 358 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 359 } 360 361 #ifndef OPENSSL_NO_TLSEXT 362 363 /* This is a context that we pass to callbacks */ 364 typedef struct tlsextctx_st { 365 BIO * biodebug; 366 int ack; 367 } tlsextctx; 368 369 370 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 371 { 372 tlsextctx * p = (tlsextctx *) arg; 373 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 374 if (SSL_get_servername_type(s) != -1) 375 p->ack = !SSL_session_reused(s) && hn != NULL; 376 else 377 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 378 379 return SSL_TLSEXT_ERR_OK; 380 } 381 382 #ifndef OPENSSL_NO_SRP 383 384 /* This is a context that we pass to all callbacks */ 385 typedef struct srp_arg_st 386 { 387 char *srppassin; 388 char *srplogin; 389 int msg; /* copy from c_msg */ 390 int debug; /* copy from c_debug */ 391 int amp; /* allow more groups */ 392 int strength /* minimal size for N */ ; 393 } SRP_ARG; 394 395 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 396 397 static int SRP_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 398 { 399 BN_CTX *bn_ctx = BN_CTX_new(); 400 BIGNUM *p = BN_new(); 401 BIGNUM *r = BN_new(); 402 int ret = 403 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 404 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 405 p != NULL && BN_rshift1(p, N) && 406 407 /* p = (N-1)/2 */ 408 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 409 r != NULL && 410 411 /* verify g^((N-1)/2) == -1 (mod N) */ 412 BN_mod_exp(r, g, p, N, bn_ctx) && 413 BN_add_word(r, 1) && 414 BN_cmp(r, N) == 0; 415 416 if(r) 417 BN_free(r); 418 if(p) 419 BN_free(p); 420 if(bn_ctx) 421 BN_CTX_free(bn_ctx); 422 return ret; 423 } 424 425 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 426 { 427 SRP_ARG *srp_arg = (SRP_ARG *)arg; 428 BIGNUM *N = NULL, *g = NULL; 429 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 430 return 0; 431 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 432 { 433 BIO_printf(bio_err, "SRP parameters:\n"); 434 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 435 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 436 BIO_printf(bio_err,"\n"); 437 } 438 439 if (SRP_check_known_gN_param(g,N)) 440 return 1; 441 442 if (srp_arg->amp == 1) 443 { 444 if (srp_arg->debug) 445 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 446 447 /* The srp_moregroups must be used with caution, testing primes costs time. 448 Implementors should rather add the value to the known ones. 449 The minimal size has already been tested. 450 */ 451 if (BN_num_bits(g) <= BN_BITS && SRP_Verify_N_and_g(N,g)) 452 return 1; 453 } 454 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 455 return 0; 456 } 457 458 #define PWD_STRLEN 1024 459 460 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 461 { 462 SRP_ARG *srp_arg = (SRP_ARG *)arg; 463 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 464 PW_CB_DATA cb_tmp; 465 int l; 466 467 cb_tmp.password = (char *)srp_arg->srppassin; 468 cb_tmp.prompt_info = "SRP user"; 469 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 470 { 471 BIO_printf (bio_err, "Can't read Password\n"); 472 OPENSSL_free(pass); 473 return NULL; 474 } 475 *(pass+l)= '\0'; 476 477 return pass; 478 } 479 480 static char * MS_CALLBACK missing_srp_username_callback(SSL *s, void *arg) 481 { 482 SRP_ARG *srp_arg = (SRP_ARG *)arg; 483 return BUF_strdup(srp_arg->srplogin); 484 } 485 486 #endif 487 #endif 488 489 enum 490 { 491 PROTO_OFF = 0, 492 PROTO_SMTP, 493 PROTO_POP3, 494 PROTO_IMAP, 495 PROTO_FTP, 496 PROTO_XMPP 497 }; 498 499 int MAIN(int, char **); 500 501 int MAIN(int argc, char **argv) 502 { 503 unsigned int off=0, clr=0; 504 SSL *con=NULL; 505 #ifndef OPENSSL_NO_KRB5 506 KSSL_CTX *kctx; 507 #endif 508 int s,k,width,state=0; 509 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 510 int cbuf_len,cbuf_off; 511 int sbuf_len,sbuf_off; 512 fd_set readfds,writefds; 513 int fdin, fdout; 514 short port=PORT; 515 int full_log=1; 516 char *host=SSL_HOST_NAME; 517 char *cert_file=NULL,*key_file=NULL; 518 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 519 char *passarg = NULL, *pass = NULL; 520 X509 *cert = NULL; 521 EVP_PKEY *key = NULL; 522 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 523 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 524 int crlf=0; 525 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 526 SSL_CTX *ctx=NULL; 527 int ret=1,in_init=1,i,nbio_test=0; 528 int starttls_proto = PROTO_OFF; 529 int prexit = 0; 530 X509_VERIFY_PARAM *vpm = NULL; 531 int badarg = 0; 532 const SSL_METHOD *meth=NULL; 533 int socket_type=SOCK_STREAM; 534 BIO *sbio; 535 char *inrand=NULL; 536 int mbuf_len=0; 537 struct timeval timeout, *timeoutp; 538 #ifndef OPENSSL_NO_ENGINE 539 char *engine_id=NULL; 540 char *ssl_client_engine_id=NULL; 541 ENGINE *ssl_client_engine=NULL; 542 #endif 543 ENGINE *e=NULL; 544 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 545 struct timeval tv; 546 #if defined(OPENSSL_SYS_BEOS_R5) 547 int stdin_set = 0; 548 #endif 549 #endif 550 #ifndef OPENSSL_NO_TLSEXT 551 char *servername = NULL; 552 tlsextctx tlsextcbp = 553 {NULL,0}; 554 #endif 555 char *sess_in = NULL; 556 char *sess_out = NULL; 557 struct sockaddr peer; 558 int peerlen = sizeof(peer); 559 int enable_timeouts = 0 ; 560 long socket_mtu = 0; 561 #ifndef OPENSSL_NO_JPAKE 562 char *jpake_secret = NULL; 563 #endif 564 #ifndef OPENSSL_NO_SRP 565 char * srppass = NULL; 566 int srp_lateuser = 0; 567 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 568 #endif 569 570 #if !defined(OPENSSL_NO_SSL2) && !defined(OPENSSL_NO_SSL3) 571 meth=SSLv23_client_method(); 572 #elif !defined(OPENSSL_NO_SSL3) 573 meth=SSLv3_client_method(); 574 #elif !defined(OPENSSL_NO_SSL2) 575 meth=SSLv2_client_method(); 576 #endif 577 578 apps_startup(); 579 c_Pause=0; 580 c_quiet=0; 581 c_ign_eof=0; 582 c_debug=0; 583 c_msg=0; 584 c_showcerts=0; 585 586 if (bio_err == NULL) 587 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 588 589 if (!load_config(bio_err, NULL)) 590 goto end; 591 592 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 593 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 594 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 595 { 596 BIO_printf(bio_err,"out of memory\n"); 597 goto end; 598 } 599 600 verify_depth=0; 601 verify_error=X509_V_OK; 602 #ifdef FIONBIO 603 c_nbio=0; 604 #endif 605 606 argc--; 607 argv++; 608 while (argc >= 1) 609 { 610 if (strcmp(*argv,"-host") == 0) 611 { 612 if (--argc < 1) goto bad; 613 host= *(++argv); 614 } 615 else if (strcmp(*argv,"-port") == 0) 616 { 617 if (--argc < 1) goto bad; 618 port=atoi(*(++argv)); 619 if (port == 0) goto bad; 620 } 621 else if (strcmp(*argv,"-connect") == 0) 622 { 623 if (--argc < 1) goto bad; 624 if (!extract_host_port(*(++argv),&host,NULL,&port)) 625 goto bad; 626 } 627 else if (strcmp(*argv,"-verify") == 0) 628 { 629 verify=SSL_VERIFY_PEER; 630 if (--argc < 1) goto bad; 631 verify_depth=atoi(*(++argv)); 632 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 633 } 634 else if (strcmp(*argv,"-cert") == 0) 635 { 636 if (--argc < 1) goto bad; 637 cert_file= *(++argv); 638 } 639 else if (strcmp(*argv,"-sess_out") == 0) 640 { 641 if (--argc < 1) goto bad; 642 sess_out = *(++argv); 643 } 644 else if (strcmp(*argv,"-sess_in") == 0) 645 { 646 if (--argc < 1) goto bad; 647 sess_in = *(++argv); 648 } 649 else if (strcmp(*argv,"-certform") == 0) 650 { 651 if (--argc < 1) goto bad; 652 cert_format = str2fmt(*(++argv)); 653 } 654 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 655 { 656 if (badarg) 657 goto bad; 658 continue; 659 } 660 else if (strcmp(*argv,"-verify_return_error") == 0) 661 verify_return_error = 1; 662 else if (strcmp(*argv,"-prexit") == 0) 663 prexit=1; 664 else if (strcmp(*argv,"-crlf") == 0) 665 crlf=1; 666 else if (strcmp(*argv,"-quiet") == 0) 667 { 668 c_quiet=1; 669 c_ign_eof=1; 670 } 671 else if (strcmp(*argv,"-ign_eof") == 0) 672 c_ign_eof=1; 673 else if (strcmp(*argv,"-no_ign_eof") == 0) 674 c_ign_eof=0; 675 else if (strcmp(*argv,"-pause") == 0) 676 c_Pause=1; 677 else if (strcmp(*argv,"-debug") == 0) 678 c_debug=1; 679 #ifndef OPENSSL_NO_TLSEXT 680 else if (strcmp(*argv,"-tlsextdebug") == 0) 681 c_tlsextdebug=1; 682 else if (strcmp(*argv,"-status") == 0) 683 c_status_req=1; 684 #endif 685 #ifdef WATT32 686 else if (strcmp(*argv,"-wdebug") == 0) 687 dbug_init(); 688 #endif 689 else if (strcmp(*argv,"-msg") == 0) 690 c_msg=1; 691 else if (strcmp(*argv,"-showcerts") == 0) 692 c_showcerts=1; 693 else if (strcmp(*argv,"-nbio_test") == 0) 694 nbio_test=1; 695 else if (strcmp(*argv,"-state") == 0) 696 state=1; 697 #ifndef OPENSSL_NO_PSK 698 else if (strcmp(*argv,"-psk_identity") == 0) 699 { 700 if (--argc < 1) goto bad; 701 psk_identity=*(++argv); 702 } 703 else if (strcmp(*argv,"-psk") == 0) 704 { 705 size_t j; 706 707 if (--argc < 1) goto bad; 708 psk_key=*(++argv); 709 for (j = 0; j < strlen(psk_key); j++) 710 { 711 if (isxdigit((int)psk_key[j])) 712 continue; 713 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 714 goto bad; 715 } 716 } 717 #endif 718 #ifndef OPENSSL_NO_SRP 719 else if (strcmp(*argv,"-srpuser") == 0) 720 { 721 if (--argc < 1) goto bad; 722 srp_arg.srplogin= *(++argv); 723 meth=TLSv1_client_method(); 724 } 725 else if (strcmp(*argv,"-srppass") == 0) 726 { 727 if (--argc < 1) goto bad; 728 srppass= *(++argv); 729 meth=TLSv1_client_method(); 730 } 731 else if (strcmp(*argv,"-srp_strength") == 0) 732 { 733 if (--argc < 1) goto bad; 734 srp_arg.strength=atoi(*(++argv)); 735 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 736 meth=TLSv1_client_method(); 737 } 738 else if (strcmp(*argv,"-srp_lateuser") == 0) 739 { 740 srp_lateuser= 1; 741 meth=TLSv1_client_method(); 742 } 743 else if (strcmp(*argv,"-srp_moregroups") == 0) 744 { 745 srp_arg.amp=1; 746 meth=TLSv1_client_method(); 747 } 748 #endif 749 #ifndef OPENSSL_NO_SSL2 750 else if (strcmp(*argv,"-ssl2") == 0) 751 meth=SSLv2_client_method(); 752 #endif 753 #ifndef OPENSSL_NO_SSL3 754 else if (strcmp(*argv,"-ssl3") == 0) 755 meth=SSLv3_client_method(); 756 #endif 757 #ifndef OPENSSL_NO_TLS1 758 else if (strcmp(*argv,"-tls1_2") == 0) 759 meth=TLSv1_2_client_method(); 760 else if (strcmp(*argv,"-tls1_1") == 0) 761 meth=TLSv1_1_client_method(); 762 else if (strcmp(*argv,"-tls1") == 0) 763 meth=TLSv1_client_method(); 764 #endif 765 #ifndef OPENSSL_NO_DTLS1 766 else if (strcmp(*argv,"-dtls1") == 0) 767 { 768 meth=DTLSv1_client_method(); 769 socket_type=SOCK_DGRAM; 770 } 771 else if (strcmp(*argv,"-timeout") == 0) 772 enable_timeouts=1; 773 else if (strcmp(*argv,"-mtu") == 0) 774 { 775 if (--argc < 1) goto bad; 776 socket_mtu = atol(*(++argv)); 777 } 778 #endif 779 else if (strcmp(*argv,"-bugs") == 0) 780 bugs=1; 781 else if (strcmp(*argv,"-keyform") == 0) 782 { 783 if (--argc < 1) goto bad; 784 key_format = str2fmt(*(++argv)); 785 } 786 else if (strcmp(*argv,"-pass") == 0) 787 { 788 if (--argc < 1) goto bad; 789 passarg = *(++argv); 790 } 791 else if (strcmp(*argv,"-key") == 0) 792 { 793 if (--argc < 1) goto bad; 794 key_file= *(++argv); 795 } 796 else if (strcmp(*argv,"-reconnect") == 0) 797 { 798 reconnect=5; 799 } 800 else if (strcmp(*argv,"-CApath") == 0) 801 { 802 if (--argc < 1) goto bad; 803 CApath= *(++argv); 804 } 805 else if (strcmp(*argv,"-CAfile") == 0) 806 { 807 if (--argc < 1) goto bad; 808 CAfile= *(++argv); 809 } 810 else if (strcmp(*argv,"-no_tls1_2") == 0) 811 off|=SSL_OP_NO_TLSv1_2; 812 else if (strcmp(*argv,"-no_tls1_1") == 0) 813 off|=SSL_OP_NO_TLSv1_1; 814 else if (strcmp(*argv,"-no_tls1") == 0) 815 off|=SSL_OP_NO_TLSv1; 816 else if (strcmp(*argv,"-no_ssl3") == 0) 817 off|=SSL_OP_NO_SSLv3; 818 else if (strcmp(*argv,"-no_ssl2") == 0) 819 off|=SSL_OP_NO_SSLv2; 820 else if (strcmp(*argv,"-no_comp") == 0) 821 { off|=SSL_OP_NO_COMPRESSION; } 822 #ifndef OPENSSL_NO_TLSEXT 823 else if (strcmp(*argv,"-no_ticket") == 0) 824 { off|=SSL_OP_NO_TICKET; } 825 #endif 826 else if (strcmp(*argv,"-serverpref") == 0) 827 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 828 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 829 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 830 else if (strcmp(*argv,"-legacy_server_connect") == 0) 831 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 832 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 833 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 834 else if (strcmp(*argv,"-cipher") == 0) 835 { 836 if (--argc < 1) goto bad; 837 cipher= *(++argv); 838 } 839 #ifdef FIONBIO 840 else if (strcmp(*argv,"-nbio") == 0) 841 { c_nbio=1; } 842 #endif 843 else if (strcmp(*argv,"-starttls") == 0) 844 { 845 if (--argc < 1) goto bad; 846 ++argv; 847 if (strcmp(*argv,"smtp") == 0) 848 starttls_proto = PROTO_SMTP; 849 else if (strcmp(*argv,"pop3") == 0) 850 starttls_proto = PROTO_POP3; 851 else if (strcmp(*argv,"imap") == 0) 852 starttls_proto = PROTO_IMAP; 853 else if (strcmp(*argv,"ftp") == 0) 854 starttls_proto = PROTO_FTP; 855 else if (strcmp(*argv, "xmpp") == 0) 856 starttls_proto = PROTO_XMPP; 857 else 858 goto bad; 859 } 860 #ifndef OPENSSL_NO_ENGINE 861 else if (strcmp(*argv,"-engine") == 0) 862 { 863 if (--argc < 1) goto bad; 864 engine_id = *(++argv); 865 } 866 else if (strcmp(*argv,"-ssl_client_engine") == 0) 867 { 868 if (--argc < 1) goto bad; 869 ssl_client_engine_id = *(++argv); 870 } 871 #endif 872 else if (strcmp(*argv,"-rand") == 0) 873 { 874 if (--argc < 1) goto bad; 875 inrand= *(++argv); 876 } 877 #ifndef OPENSSL_NO_TLSEXT 878 else if (strcmp(*argv,"-servername") == 0) 879 { 880 if (--argc < 1) goto bad; 881 servername= *(++argv); 882 /* meth=TLSv1_client_method(); */ 883 } 884 #endif 885 #ifndef OPENSSL_NO_JPAKE 886 else if (strcmp(*argv,"-jpake") == 0) 887 { 888 if (--argc < 1) goto bad; 889 jpake_secret = *++argv; 890 } 891 #endif 892 else 893 { 894 BIO_printf(bio_err,"unknown option %s\n",*argv); 895 badop=1; 896 break; 897 } 898 argc--; 899 argv++; 900 } 901 if (badop) 902 { 903 bad: 904 sc_usage(); 905 goto end; 906 } 907 908 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 909 if (jpake_secret) 910 { 911 if (psk_key) 912 { 913 BIO_printf(bio_err, 914 "Can't use JPAKE and PSK together\n"); 915 goto end; 916 } 917 psk_identity = "JPAKE"; 918 } 919 920 if (cipher) 921 { 922 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 923 goto end; 924 } 925 cipher = "PSK"; 926 #endif 927 928 OpenSSL_add_ssl_algorithms(); 929 SSL_load_error_strings(); 930 931 #ifndef OPENSSL_NO_ENGINE 932 e = setup_engine(bio_err, engine_id, 1); 933 if (ssl_client_engine_id) 934 { 935 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 936 if (!ssl_client_engine) 937 { 938 BIO_printf(bio_err, 939 "Error getting client auth engine\n"); 940 goto end; 941 } 942 } 943 944 #endif 945 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 946 { 947 BIO_printf(bio_err, "Error getting password\n"); 948 goto end; 949 } 950 951 if (key_file == NULL) 952 key_file = cert_file; 953 954 955 if (key_file) 956 957 { 958 959 key = load_key(bio_err, key_file, key_format, 0, pass, e, 960 "client certificate private key file"); 961 if (!key) 962 { 963 ERR_print_errors(bio_err); 964 goto end; 965 } 966 967 } 968 969 if (cert_file) 970 971 { 972 cert = load_cert(bio_err,cert_file,cert_format, 973 NULL, e, "client certificate file"); 974 975 if (!cert) 976 { 977 ERR_print_errors(bio_err); 978 goto end; 979 } 980 } 981 982 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 983 && !RAND_status()) 984 { 985 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 986 } 987 if (inrand != NULL) 988 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 989 app_RAND_load_files(inrand)); 990 991 if (bio_c_out == NULL) 992 { 993 if (c_quiet && !c_debug && !c_msg) 994 { 995 bio_c_out=BIO_new(BIO_s_null()); 996 } 997 else 998 { 999 if (bio_c_out == NULL) 1000 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1001 } 1002 } 1003 1004 #ifndef OPENSSL_NO_SRP 1005 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1006 { 1007 BIO_printf(bio_err, "Error getting password\n"); 1008 goto end; 1009 } 1010 #endif 1011 1012 ctx=SSL_CTX_new(meth); 1013 if (ctx == NULL) 1014 { 1015 ERR_print_errors(bio_err); 1016 goto end; 1017 } 1018 1019 if (vpm) 1020 SSL_CTX_set1_param(ctx, vpm); 1021 1022 #ifndef OPENSSL_NO_ENGINE 1023 if (ssl_client_engine) 1024 { 1025 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1026 { 1027 BIO_puts(bio_err, "Error setting client auth engine\n"); 1028 ERR_print_errors(bio_err); 1029 ENGINE_free(ssl_client_engine); 1030 goto end; 1031 } 1032 ENGINE_free(ssl_client_engine); 1033 } 1034 #endif 1035 1036 #ifndef OPENSSL_NO_PSK 1037 #ifdef OPENSSL_NO_JPAKE 1038 if (psk_key != NULL) 1039 #else 1040 if (psk_key != NULL || jpake_secret) 1041 #endif 1042 { 1043 if (c_debug) 1044 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1045 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1046 } 1047 #endif 1048 /* HACK while TLS v1.2 is disabled by default */ 1049 if (!(off & SSL_OP_NO_TLSv1_2)) 1050 SSL_CTX_clear_options(ctx, SSL_OP_NO_TLSv1_2); 1051 if (bugs) 1052 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1053 else 1054 SSL_CTX_set_options(ctx,off); 1055 1056 if (clr) 1057 SSL_CTX_clear_options(ctx, clr); 1058 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1059 * Setting read ahead solves this problem. 1060 */ 1061 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1062 1063 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1064 if (cipher != NULL) 1065 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1066 BIO_printf(bio_err,"error setting cipher list\n"); 1067 ERR_print_errors(bio_err); 1068 goto end; 1069 } 1070 #if 0 1071 else 1072 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1073 #endif 1074 1075 SSL_CTX_set_verify(ctx,verify,verify_callback); 1076 if (!set_cert_key_stuff(ctx,cert,key)) 1077 goto end; 1078 1079 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1080 (!SSL_CTX_set_default_verify_paths(ctx))) 1081 { 1082 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1083 ERR_print_errors(bio_err); 1084 /* goto end; */ 1085 } 1086 1087 #ifndef OPENSSL_NO_TLSEXT 1088 if (servername != NULL) 1089 { 1090 tlsextcbp.biodebug = bio_err; 1091 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1092 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1093 } 1094 #ifndef OPENSSL_NO_SRP 1095 if (srp_arg.srplogin) 1096 { 1097 if (srp_lateuser) 1098 SSL_CTX_set_srp_missing_srp_username_callback(ctx,missing_srp_username_callback); 1099 else if (!SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1100 { 1101 BIO_printf(bio_err,"Unable to set SRP username\n"); 1102 goto end; 1103 } 1104 srp_arg.msg = c_msg; 1105 srp_arg.debug = c_debug ; 1106 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1107 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1108 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1109 if (c_msg || c_debug || srp_arg.amp == 0) 1110 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1111 } 1112 1113 #endif 1114 #endif 1115 1116 con=SSL_new(ctx); 1117 if (sess_in) 1118 { 1119 SSL_SESSION *sess; 1120 BIO *stmp = BIO_new_file(sess_in, "r"); 1121 if (!stmp) 1122 { 1123 BIO_printf(bio_err, "Can't open session file %s\n", 1124 sess_in); 1125 ERR_print_errors(bio_err); 1126 goto end; 1127 } 1128 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1129 BIO_free(stmp); 1130 if (!sess) 1131 { 1132 BIO_printf(bio_err, "Can't open session file %s\n", 1133 sess_in); 1134 ERR_print_errors(bio_err); 1135 goto end; 1136 } 1137 SSL_set_session(con, sess); 1138 SSL_SESSION_free(sess); 1139 } 1140 #ifndef OPENSSL_NO_TLSEXT 1141 if (servername != NULL) 1142 { 1143 if (!SSL_set_tlsext_host_name(con,servername)) 1144 { 1145 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1146 ERR_print_errors(bio_err); 1147 goto end; 1148 } 1149 } 1150 #endif 1151 #ifndef OPENSSL_NO_KRB5 1152 if (con && (kctx = kssl_ctx_new()) != NULL) 1153 { 1154 SSL_set0_kssl_ctx(con, kctx); 1155 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1156 } 1157 #endif /* OPENSSL_NO_KRB5 */ 1158 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1159 #if 0 1160 #ifdef TLSEXT_TYPE_opaque_prf_input 1161 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1162 #endif 1163 #endif 1164 1165 re_start: 1166 1167 if (init_client(&s,host,port,socket_type) == 0) 1168 { 1169 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1170 SHUTDOWN(s); 1171 goto end; 1172 } 1173 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1174 1175 #ifdef FIONBIO 1176 if (c_nbio) 1177 { 1178 unsigned long l=1; 1179 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1180 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1181 { 1182 ERR_print_errors(bio_err); 1183 goto end; 1184 } 1185 } 1186 #endif 1187 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1188 1189 if ( SSL_version(con) == DTLS1_VERSION) 1190 { 1191 1192 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1193 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1194 { 1195 BIO_printf(bio_err, "getsockname:errno=%d\n", 1196 get_last_socket_error()); 1197 SHUTDOWN(s); 1198 goto end; 1199 } 1200 1201 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1202 1203 if (enable_timeouts) 1204 { 1205 timeout.tv_sec = 0; 1206 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1207 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1208 1209 timeout.tv_sec = 0; 1210 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1211 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1212 } 1213 1214 if (socket_mtu > 28) 1215 { 1216 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1217 SSL_set_mtu(con, socket_mtu - 28); 1218 } 1219 else 1220 /* want to do MTU discovery */ 1221 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1222 } 1223 else 1224 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1225 1226 if (nbio_test) 1227 { 1228 BIO *test; 1229 1230 test=BIO_new(BIO_f_nbio_test()); 1231 sbio=BIO_push(test,sbio); 1232 } 1233 1234 if (c_debug) 1235 { 1236 SSL_set_debug(con, 1); 1237 BIO_set_callback(sbio,bio_dump_callback); 1238 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1239 } 1240 if (c_msg) 1241 { 1242 SSL_set_msg_callback(con, msg_cb); 1243 SSL_set_msg_callback_arg(con, bio_c_out); 1244 } 1245 #ifndef OPENSSL_NO_TLSEXT 1246 if (c_tlsextdebug) 1247 { 1248 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1249 SSL_set_tlsext_debug_arg(con, bio_c_out); 1250 } 1251 if (c_status_req) 1252 { 1253 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1254 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1255 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1256 #if 0 1257 { 1258 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1259 OCSP_RESPID *id = OCSP_RESPID_new(); 1260 id->value.byKey = ASN1_OCTET_STRING_new(); 1261 id->type = V_OCSP_RESPID_KEY; 1262 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1263 sk_OCSP_RESPID_push(ids, id); 1264 SSL_set_tlsext_status_ids(con, ids); 1265 } 1266 #endif 1267 } 1268 #endif 1269 #ifndef OPENSSL_NO_JPAKE 1270 if (jpake_secret) 1271 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1272 #endif 1273 1274 SSL_set_bio(con,sbio,sbio); 1275 SSL_set_connect_state(con); 1276 1277 /* ok, lets connect */ 1278 width=SSL_get_fd(con)+1; 1279 1280 read_tty=1; 1281 write_tty=0; 1282 tty_on=0; 1283 read_ssl=1; 1284 write_ssl=1; 1285 1286 cbuf_len=0; 1287 cbuf_off=0; 1288 sbuf_len=0; 1289 sbuf_off=0; 1290 1291 /* This is an ugly hack that does a lot of assumptions */ 1292 /* We do have to handle multi-line responses which may come 1293 in a single packet or not. We therefore have to use 1294 BIO_gets() which does need a buffering BIO. So during 1295 the initial chitchat we do push a buffering BIO into the 1296 chain that is removed again later on to not disturb the 1297 rest of the s_client operation. */ 1298 if (starttls_proto == PROTO_SMTP) 1299 { 1300 int foundit=0; 1301 BIO *fbio = BIO_new(BIO_f_buffer()); 1302 BIO_push(fbio, sbio); 1303 /* wait for multi-line response to end from SMTP */ 1304 do 1305 { 1306 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1307 } 1308 while (mbuf_len>3 && mbuf[3]=='-'); 1309 /* STARTTLS command requires EHLO... */ 1310 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1311 (void)BIO_flush(fbio); 1312 /* wait for multi-line response to end EHLO SMTP response */ 1313 do 1314 { 1315 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1316 if (strstr(mbuf,"STARTTLS")) 1317 foundit=1; 1318 } 1319 while (mbuf_len>3 && mbuf[3]=='-'); 1320 (void)BIO_flush(fbio); 1321 BIO_pop(fbio); 1322 BIO_free(fbio); 1323 if (!foundit) 1324 BIO_printf(bio_err, 1325 "didn't found starttls in server response," 1326 " try anyway...\n"); 1327 BIO_printf(sbio,"STARTTLS\r\n"); 1328 BIO_read(sbio,sbuf,BUFSIZZ); 1329 } 1330 else if (starttls_proto == PROTO_POP3) 1331 { 1332 BIO_read(sbio,mbuf,BUFSIZZ); 1333 BIO_printf(sbio,"STLS\r\n"); 1334 BIO_read(sbio,sbuf,BUFSIZZ); 1335 } 1336 else if (starttls_proto == PROTO_IMAP) 1337 { 1338 int foundit=0; 1339 BIO *fbio = BIO_new(BIO_f_buffer()); 1340 BIO_push(fbio, sbio); 1341 BIO_gets(fbio,mbuf,BUFSIZZ); 1342 /* STARTTLS command requires CAPABILITY... */ 1343 BIO_printf(fbio,". CAPABILITY\r\n"); 1344 (void)BIO_flush(fbio); 1345 /* wait for multi-line CAPABILITY response */ 1346 do 1347 { 1348 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1349 if (strstr(mbuf,"STARTTLS")) 1350 foundit=1; 1351 } 1352 while (mbuf_len>3 && mbuf[0]!='.'); 1353 (void)BIO_flush(fbio); 1354 BIO_pop(fbio); 1355 BIO_free(fbio); 1356 if (!foundit) 1357 BIO_printf(bio_err, 1358 "didn't found STARTTLS in server response," 1359 " try anyway...\n"); 1360 BIO_printf(sbio,". STARTTLS\r\n"); 1361 BIO_read(sbio,sbuf,BUFSIZZ); 1362 } 1363 else if (starttls_proto == PROTO_FTP) 1364 { 1365 BIO *fbio = BIO_new(BIO_f_buffer()); 1366 BIO_push(fbio, sbio); 1367 /* wait for multi-line response to end from FTP */ 1368 do 1369 { 1370 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1371 } 1372 while (mbuf_len>3 && mbuf[3]=='-'); 1373 (void)BIO_flush(fbio); 1374 BIO_pop(fbio); 1375 BIO_free(fbio); 1376 BIO_printf(sbio,"AUTH TLS\r\n"); 1377 BIO_read(sbio,sbuf,BUFSIZZ); 1378 } 1379 if (starttls_proto == PROTO_XMPP) 1380 { 1381 int seen = 0; 1382 BIO_printf(sbio,"<stream:stream " 1383 "xmlns:stream='http://etherx.jabber.org/streams' " 1384 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1385 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1386 mbuf[seen] = 0; 1387 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1388 { 1389 if (strstr(mbuf, "/stream:features>")) 1390 goto shut; 1391 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1392 mbuf[seen] = 0; 1393 } 1394 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1395 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1396 sbuf[seen] = 0; 1397 if (!strstr(sbuf, "<proceed")) 1398 goto shut; 1399 mbuf[0] = 0; 1400 } 1401 1402 for (;;) 1403 { 1404 FD_ZERO(&readfds); 1405 FD_ZERO(&writefds); 1406 fdin = fileno(stdin); 1407 if (fdin < 0) 1408 { 1409 BIO_printf(bio_err,"bad fileno for stdin\n"); 1410 goto shut; 1411 } 1412 fdout = fileno(stdout); 1413 if (fdout < 0) 1414 { 1415 BIO_printf(bio_err,"bad fileno for stdout\n"); 1416 goto shut; 1417 } 1418 1419 if ((SSL_version(con) == DTLS1_VERSION) && 1420 DTLSv1_get_timeout(con, &timeout)) 1421 timeoutp = &timeout; 1422 else 1423 timeoutp = NULL; 1424 1425 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1426 { 1427 in_init=1; 1428 tty_on=0; 1429 } 1430 else 1431 { 1432 tty_on=1; 1433 if (in_init) 1434 { 1435 in_init=0; 1436 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1437 #ifndef OPENSSL_NO_TLSEXT 1438 if (servername != NULL && !SSL_session_reused(con)) 1439 { 1440 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1441 } 1442 #endif 1443 #endif 1444 if (sess_out) 1445 { 1446 BIO *stmp = BIO_new_file(sess_out, "w"); 1447 if (stmp) 1448 { 1449 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1450 BIO_free(stmp); 1451 } 1452 else 1453 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1454 } 1455 print_stuff(bio_c_out,con,full_log); 1456 if (full_log > 0) full_log--; 1457 1458 if (starttls_proto) 1459 { 1460 BIO_printf(bio_err,"%s",mbuf); 1461 /* We don't need to know any more */ 1462 starttls_proto = PROTO_OFF; 1463 } 1464 1465 if (reconnect) 1466 { 1467 reconnect--; 1468 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1469 SSL_shutdown(con); 1470 SSL_set_connect_state(con); 1471 SHUTDOWN(SSL_get_fd(con)); 1472 goto re_start; 1473 } 1474 } 1475 } 1476 1477 ssl_pending = read_ssl && SSL_pending(con); 1478 1479 if (!ssl_pending) 1480 { 1481 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1482 if (tty_on) 1483 { 1484 if (read_tty) openssl_fdset(fdin,&readfds); 1485 if (write_tty) openssl_fdset(fdout,&writefds); 1486 } 1487 if (read_ssl) 1488 openssl_fdset(SSL_get_fd(con),&readfds); 1489 if (write_ssl) 1490 openssl_fdset(SSL_get_fd(con),&writefds); 1491 #else 1492 if(!tty_on || !write_tty) { 1493 if (read_ssl) 1494 openssl_fdset(SSL_get_fd(con),&readfds); 1495 if (write_ssl) 1496 openssl_fdset(SSL_get_fd(con),&writefds); 1497 } 1498 #endif 1499 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1500 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1501 1502 /* Note: under VMS with SOCKETSHR the second parameter 1503 * is currently of type (int *) whereas under other 1504 * systems it is (void *) if you don't have a cast it 1505 * will choke the compiler: if you do have a cast then 1506 * you can either go for (int *) or (void *). 1507 */ 1508 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1509 /* Under Windows/DOS we make the assumption that we can 1510 * always write to the tty: therefore if we need to 1511 * write to the tty we just fall through. Otherwise 1512 * we timeout the select every second and see if there 1513 * are any keypresses. Note: this is a hack, in a proper 1514 * Windows application we wouldn't do this. 1515 */ 1516 i=0; 1517 if(!write_tty) { 1518 if(read_tty) { 1519 tv.tv_sec = 1; 1520 tv.tv_usec = 0; 1521 i=select(width,(void *)&readfds,(void *)&writefds, 1522 NULL,&tv); 1523 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1524 if(!i && (!_kbhit() || !read_tty) ) continue; 1525 #else 1526 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1527 #endif 1528 } else i=select(width,(void *)&readfds,(void *)&writefds, 1529 NULL,timeoutp); 1530 } 1531 #elif defined(OPENSSL_SYS_NETWARE) 1532 if(!write_tty) { 1533 if(read_tty) { 1534 tv.tv_sec = 1; 1535 tv.tv_usec = 0; 1536 i=select(width,(void *)&readfds,(void *)&writefds, 1537 NULL,&tv); 1538 } else i=select(width,(void *)&readfds,(void *)&writefds, 1539 NULL,timeoutp); 1540 } 1541 #elif defined(OPENSSL_SYS_BEOS_R5) 1542 /* Under BeOS-R5 the situation is similar to DOS */ 1543 i=0; 1544 stdin_set = 0; 1545 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 1546 if(!write_tty) { 1547 if(read_tty) { 1548 tv.tv_sec = 1; 1549 tv.tv_usec = 0; 1550 i=select(width,(void *)&readfds,(void *)&writefds, 1551 NULL,&tv); 1552 if (read(fdin, sbuf, 0) >= 0) 1553 stdin_set = 1; 1554 if (!i && (stdin_set != 1 || !read_tty)) 1555 continue; 1556 } else i=select(width,(void *)&readfds,(void *)&writefds, 1557 NULL,timeoutp); 1558 } 1559 (void)fcntl(fdin, F_SETFL, 0); 1560 #else 1561 i=select(width,(void *)&readfds,(void *)&writefds, 1562 NULL,timeoutp); 1563 #endif 1564 if ( i < 0) 1565 { 1566 BIO_printf(bio_err,"bad select %d\n", 1567 get_last_socket_error()); 1568 goto shut; 1569 /* goto end; */ 1570 } 1571 } 1572 1573 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1574 { 1575 BIO_printf(bio_err,"TIMEOUT occured\n"); 1576 } 1577 1578 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1579 { 1580 k=SSL_write(con,&(cbuf[cbuf_off]), 1581 (unsigned int)cbuf_len); 1582 switch (SSL_get_error(con,k)) 1583 { 1584 case SSL_ERROR_NONE: 1585 cbuf_off+=k; 1586 cbuf_len-=k; 1587 if (k <= 0) goto end; 1588 /* we have done a write(con,NULL,0); */ 1589 if (cbuf_len <= 0) 1590 { 1591 read_tty=1; 1592 write_ssl=0; 1593 } 1594 else /* if (cbuf_len > 0) */ 1595 { 1596 read_tty=0; 1597 write_ssl=1; 1598 } 1599 break; 1600 case SSL_ERROR_WANT_WRITE: 1601 BIO_printf(bio_c_out,"write W BLOCK\n"); 1602 write_ssl=1; 1603 read_tty=0; 1604 break; 1605 case SSL_ERROR_WANT_READ: 1606 BIO_printf(bio_c_out,"write R BLOCK\n"); 1607 write_tty=0; 1608 read_ssl=1; 1609 write_ssl=0; 1610 break; 1611 case SSL_ERROR_WANT_X509_LOOKUP: 1612 BIO_printf(bio_c_out,"write X BLOCK\n"); 1613 break; 1614 case SSL_ERROR_ZERO_RETURN: 1615 if (cbuf_len != 0) 1616 { 1617 BIO_printf(bio_c_out,"shutdown\n"); 1618 ret = 0; 1619 goto shut; 1620 } 1621 else 1622 { 1623 read_tty=1; 1624 write_ssl=0; 1625 break; 1626 } 1627 1628 case SSL_ERROR_SYSCALL: 1629 if ((k != 0) || (cbuf_len != 0)) 1630 { 1631 BIO_printf(bio_err,"write:errno=%d\n", 1632 get_last_socket_error()); 1633 goto shut; 1634 } 1635 else 1636 { 1637 read_tty=1; 1638 write_ssl=0; 1639 } 1640 break; 1641 case SSL_ERROR_SSL: 1642 ERR_print_errors(bio_err); 1643 goto shut; 1644 } 1645 } 1646 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1647 /* Assume Windows/DOS/BeOS can always write */ 1648 else if (!ssl_pending && write_tty) 1649 #else 1650 else if (!ssl_pending && FD_ISSET(fdout,&writefds)) 1651 #endif 1652 { 1653 #ifdef CHARSET_EBCDIC 1654 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1655 #endif 1656 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1657 1658 if (i <= 0) 1659 { 1660 BIO_printf(bio_c_out,"DONE\n"); 1661 ret = 0; 1662 goto shut; 1663 /* goto end; */ 1664 } 1665 1666 sbuf_len-=i;; 1667 sbuf_off+=i; 1668 if (sbuf_len <= 0) 1669 { 1670 read_ssl=1; 1671 write_tty=0; 1672 } 1673 } 1674 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1675 { 1676 #ifdef RENEG 1677 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1678 #endif 1679 #if 1 1680 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1681 #else 1682 /* Demo for pending and peek :-) */ 1683 k=SSL_read(con,sbuf,16); 1684 { char zbuf[10240]; 1685 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1686 } 1687 #endif 1688 1689 switch (SSL_get_error(con,k)) 1690 { 1691 case SSL_ERROR_NONE: 1692 if (k <= 0) 1693 goto end; 1694 sbuf_off=0; 1695 sbuf_len=k; 1696 1697 read_ssl=0; 1698 write_tty=1; 1699 break; 1700 case SSL_ERROR_WANT_WRITE: 1701 BIO_printf(bio_c_out,"read W BLOCK\n"); 1702 write_ssl=1; 1703 read_tty=0; 1704 break; 1705 case SSL_ERROR_WANT_READ: 1706 BIO_printf(bio_c_out,"read R BLOCK\n"); 1707 write_tty=0; 1708 read_ssl=1; 1709 if ((read_tty == 0) && (write_ssl == 0)) 1710 write_ssl=1; 1711 break; 1712 case SSL_ERROR_WANT_X509_LOOKUP: 1713 BIO_printf(bio_c_out,"read X BLOCK\n"); 1714 break; 1715 case SSL_ERROR_SYSCALL: 1716 ret=get_last_socket_error(); 1717 BIO_printf(bio_err,"read:errno=%d\n",ret); 1718 goto shut; 1719 case SSL_ERROR_ZERO_RETURN: 1720 BIO_printf(bio_c_out,"closed\n"); 1721 ret=0; 1722 goto shut; 1723 case SSL_ERROR_SSL: 1724 ERR_print_errors(bio_err); 1725 goto shut; 1726 /* break; */ 1727 } 1728 } 1729 1730 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1731 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1732 else if (_kbhit()) 1733 #else 1734 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1735 #endif 1736 #elif defined (OPENSSL_SYS_NETWARE) 1737 else if (_kbhit()) 1738 #elif defined(OPENSSL_SYS_BEOS_R5) 1739 else if (stdin_set) 1740 #else 1741 else if (FD_ISSET(fdin,&readfds)) 1742 #endif 1743 { 1744 if (crlf) 1745 { 1746 int j, lf_num; 1747 1748 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1749 lf_num = 0; 1750 /* both loops are skipped when i <= 0 */ 1751 for (j = 0; j < i; j++) 1752 if (cbuf[j] == '\n') 1753 lf_num++; 1754 for (j = i-1; j >= 0; j--) 1755 { 1756 cbuf[j+lf_num] = cbuf[j]; 1757 if (cbuf[j] == '\n') 1758 { 1759 lf_num--; 1760 i++; 1761 cbuf[j+lf_num] = '\r'; 1762 } 1763 } 1764 assert(lf_num == 0); 1765 } 1766 else 1767 i=raw_read_stdin(cbuf,BUFSIZZ); 1768 1769 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1770 { 1771 BIO_printf(bio_err,"DONE\n"); 1772 ret=0; 1773 goto shut; 1774 } 1775 1776 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1777 { 1778 BIO_printf(bio_err,"RENEGOTIATING\n"); 1779 SSL_renegotiate(con); 1780 cbuf_len=0; 1781 } 1782 else 1783 { 1784 cbuf_len=i; 1785 cbuf_off=0; 1786 #ifdef CHARSET_EBCDIC 1787 ebcdic2ascii(cbuf, cbuf, i); 1788 #endif 1789 } 1790 1791 write_ssl=1; 1792 read_tty=0; 1793 } 1794 } 1795 1796 ret=0; 1797 shut: 1798 if (in_init) 1799 print_stuff(bio_c_out,con,full_log); 1800 SSL_shutdown(con); 1801 SHUTDOWN(SSL_get_fd(con)); 1802 end: 1803 if (con != NULL) 1804 { 1805 if (prexit != 0) 1806 print_stuff(bio_c_out,con,1); 1807 SSL_free(con); 1808 } 1809 if (ctx != NULL) SSL_CTX_free(ctx); 1810 if (cert) 1811 X509_free(cert); 1812 if (key) 1813 EVP_PKEY_free(key); 1814 if (pass) 1815 OPENSSL_free(pass); 1816 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1817 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1818 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1819 if (bio_c_out != NULL) 1820 { 1821 BIO_free(bio_c_out); 1822 bio_c_out=NULL; 1823 } 1824 apps_shutdown(); 1825 OPENSSL_EXIT(ret); 1826 } 1827 1828 1829 static void print_stuff(BIO *bio, SSL *s, int full) 1830 { 1831 X509 *peer=NULL; 1832 char *p; 1833 static const char *space=" "; 1834 char buf[BUFSIZ]; 1835 STACK_OF(X509) *sk; 1836 STACK_OF(X509_NAME) *sk2; 1837 const SSL_CIPHER *c; 1838 X509_NAME *xn; 1839 int j,i; 1840 #ifndef OPENSSL_NO_COMP 1841 const COMP_METHOD *comp, *expansion; 1842 #endif 1843 1844 if (full) 1845 { 1846 int got_a_chain = 0; 1847 1848 sk=SSL_get_peer_cert_chain(s); 1849 if (sk != NULL) 1850 { 1851 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1852 1853 BIO_printf(bio,"---\nCertificate chain\n"); 1854 for (i=0; i<sk_X509_num(sk); i++) 1855 { 1856 X509_NAME_oneline(X509_get_subject_name( 1857 sk_X509_value(sk,i)),buf,sizeof buf); 1858 BIO_printf(bio,"%2d s:%s\n",i,buf); 1859 X509_NAME_oneline(X509_get_issuer_name( 1860 sk_X509_value(sk,i)),buf,sizeof buf); 1861 BIO_printf(bio," i:%s\n",buf); 1862 if (c_showcerts) 1863 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1864 } 1865 } 1866 1867 BIO_printf(bio,"---\n"); 1868 peer=SSL_get_peer_certificate(s); 1869 if (peer != NULL) 1870 { 1871 BIO_printf(bio,"Server certificate\n"); 1872 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1873 PEM_write_bio_X509(bio,peer); 1874 X509_NAME_oneline(X509_get_subject_name(peer), 1875 buf,sizeof buf); 1876 BIO_printf(bio,"subject=%s\n",buf); 1877 X509_NAME_oneline(X509_get_issuer_name(peer), 1878 buf,sizeof buf); 1879 BIO_printf(bio,"issuer=%s\n",buf); 1880 } 1881 else 1882 BIO_printf(bio,"no peer certificate available\n"); 1883 1884 sk2=SSL_get_client_CA_list(s); 1885 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1886 { 1887 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1888 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1889 { 1890 xn=sk_X509_NAME_value(sk2,i); 1891 X509_NAME_oneline(xn,buf,sizeof(buf)); 1892 BIO_write(bio,buf,strlen(buf)); 1893 BIO_write(bio,"\n",1); 1894 } 1895 } 1896 else 1897 { 1898 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1899 } 1900 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1901 if (p != NULL) 1902 { 1903 /* This works only for SSL 2. In later protocol 1904 * versions, the client does not know what other 1905 * ciphers (in addition to the one to be used 1906 * in the current connection) the server supports. */ 1907 1908 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 1909 j=i=0; 1910 while (*p) 1911 { 1912 if (*p == ':') 1913 { 1914 BIO_write(bio,space,15-j%25); 1915 i++; 1916 j=0; 1917 BIO_write(bio,((i%3)?" ":"\n"),1); 1918 } 1919 else 1920 { 1921 BIO_write(bio,p,1); 1922 j++; 1923 } 1924 p++; 1925 } 1926 BIO_write(bio,"\n",1); 1927 } 1928 1929 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 1930 BIO_number_read(SSL_get_rbio(s)), 1931 BIO_number_written(SSL_get_wbio(s))); 1932 } 1933 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 1934 c=SSL_get_current_cipher(s); 1935 BIO_printf(bio,"%s, Cipher is %s\n", 1936 SSL_CIPHER_get_version(c), 1937 SSL_CIPHER_get_name(c)); 1938 if (peer != NULL) { 1939 EVP_PKEY *pktmp; 1940 pktmp = X509_get_pubkey(peer); 1941 BIO_printf(bio,"Server public key is %d bit\n", 1942 EVP_PKEY_bits(pktmp)); 1943 EVP_PKEY_free(pktmp); 1944 } 1945 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 1946 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 1947 #ifndef OPENSSL_NO_COMP 1948 comp=SSL_get_current_compression(s); 1949 expansion=SSL_get_current_expansion(s); 1950 BIO_printf(bio,"Compression: %s\n", 1951 comp ? SSL_COMP_get_name(comp) : "NONE"); 1952 BIO_printf(bio,"Expansion: %s\n", 1953 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 1954 #endif 1955 1956 #ifdef SSL_DEBUG 1957 { 1958 /* Print out local port of connection: useful for debugging */ 1959 int sock; 1960 struct sockaddr_in ladd; 1961 socklen_t ladd_size = sizeof(ladd); 1962 sock = SSL_get_fd(s); 1963 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 1964 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 1965 } 1966 #endif 1967 1968 SSL_SESSION_print(bio,SSL_get_session(s)); 1969 BIO_printf(bio,"---\n"); 1970 if (peer != NULL) 1971 X509_free(peer); 1972 /* flush, or debugging output gets mixed with http response */ 1973 (void)BIO_flush(bio); 1974 } 1975 1976 #ifndef OPENSSL_NO_TLSEXT 1977 1978 static int ocsp_resp_cb(SSL *s, void *arg) 1979 { 1980 const unsigned char *p; 1981 int len; 1982 OCSP_RESPONSE *rsp; 1983 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 1984 BIO_puts(arg, "OCSP response: "); 1985 if (!p) 1986 { 1987 BIO_puts(arg, "no response sent\n"); 1988 return 1; 1989 } 1990 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 1991 if (!rsp) 1992 { 1993 BIO_puts(arg, "response parse error\n"); 1994 BIO_dump_indent(arg, (char *)p, len, 4); 1995 return 0; 1996 } 1997 BIO_puts(arg, "\n======================================\n"); 1998 OCSP_RESPONSE_print(arg, rsp, 0); 1999 BIO_puts(arg, "======================================\n"); 2000 OCSP_RESPONSE_free(rsp); 2001 return 1; 2002 } 2003 2004 #endif 2005