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