1 /* apps/s_client.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay (at) cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay (at) 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 (at) 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 (at) 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 (at) 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 (at) 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 (at) cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh (at) 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 char *keymatexportlabel=NULL; 210 static int keymatexportlen=20; 211 212 static void sc_usage(void); 213 static void print_stuff(BIO *berr,SSL *con,int full); 214 #ifndef OPENSSL_NO_TLSEXT 215 static int ocsp_resp_cb(SSL *s, void *arg); 216 #endif 217 static BIO *bio_c_out=NULL; 218 static int c_quiet=0; 219 static int c_ign_eof=0; 220 221 #ifndef OPENSSL_NO_PSK 222 /* Default PSK identity and key */ 223 static char *psk_identity="Client_identity"; 224 /*char *psk_key=NULL; by default PSK is not used */ 225 226 static unsigned int psk_client_cb(SSL *ssl, const char *hint, char *identity, 227 unsigned int max_identity_len, unsigned char *psk, 228 unsigned int max_psk_len) 229 { 230 unsigned int psk_len = 0; 231 int ret; 232 BIGNUM *bn=NULL; 233 234 if (c_debug) 235 BIO_printf(bio_c_out, "psk_client_cb\n"); 236 if (!hint) 237 { 238 /* no ServerKeyExchange message*/ 239 if (c_debug) 240 BIO_printf(bio_c_out,"NULL received PSK identity hint, continuing anyway\n"); 241 } 242 else if (c_debug) 243 BIO_printf(bio_c_out, "Received PSK identity hint '%s'\n", hint); 244 245 /* lookup PSK identity and PSK key based on the given identity hint here */ 246 ret = BIO_snprintf(identity, max_identity_len, "%s", psk_identity); 247 if (ret < 0 || (unsigned int)ret > max_identity_len) 248 goto out_err; 249 if (c_debug) 250 BIO_printf(bio_c_out, "created identity '%s' len=%d\n", identity, ret); 251 ret=BN_hex2bn(&bn, psk_key); 252 if (!ret) 253 { 254 BIO_printf(bio_err,"Could not convert PSK key '%s' to BIGNUM\n", psk_key); 255 if (bn) 256 BN_free(bn); 257 return 0; 258 } 259 260 if ((unsigned int)BN_num_bytes(bn) > max_psk_len) 261 { 262 BIO_printf(bio_err,"psk buffer of callback is too small (%d) for key (%d)\n", 263 max_psk_len, BN_num_bytes(bn)); 264 BN_free(bn); 265 return 0; 266 } 267 268 psk_len=BN_bn2bin(bn, psk); 269 BN_free(bn); 270 if (psk_len == 0) 271 goto out_err; 272 273 if (c_debug) 274 BIO_printf(bio_c_out, "created PSK len=%d\n", psk_len); 275 276 return psk_len; 277 out_err: 278 if (c_debug) 279 BIO_printf(bio_err, "Error in PSK client callback\n"); 280 return 0; 281 } 282 #endif 283 284 static void sc_usage(void) 285 { 286 BIO_printf(bio_err,"usage: s_client args\n"); 287 BIO_printf(bio_err,"\n"); 288 BIO_printf(bio_err," -host host - use -connect instead\n"); 289 BIO_printf(bio_err," -port port - use -connect instead\n"); 290 BIO_printf(bio_err," -connect host:port - who to connect to (default is %s:%s)\n",SSL_HOST_NAME,PORT_STR); 291 292 BIO_printf(bio_err," -verify arg - turn on peer certificate verification\n"); 293 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 294 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 295 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 296 BIO_printf(bio_err," not specified but cert file is.\n"); 297 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 298 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 299 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 300 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 301 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 302 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 303 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 304 BIO_printf(bio_err," -debug - extra output\n"); 305 #ifdef WATT32 306 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 307 #endif 308 BIO_printf(bio_err," -msg - Show protocol messages\n"); 309 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 310 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 311 #ifdef FIONBIO 312 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 313 #endif 314 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 315 BIO_printf(bio_err," -quiet - no s_client output\n"); 316 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 317 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 318 #ifndef OPENSSL_NO_PSK 319 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 320 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 321 # ifndef OPENSSL_NO_JPAKE 322 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 323 # endif 324 #endif 325 #ifndef OPENSSL_NO_SRP 326 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 327 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 328 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 329 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 330 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 331 #endif 332 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 333 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 334 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 335 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 336 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 337 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 338 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 339 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 340 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 341 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 342 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 343 BIO_printf(bio_err," command to see what is available\n"); 344 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 345 BIO_printf(bio_err," for those protocols that support it, where\n"); 346 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 347 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 348 BIO_printf(bio_err," are supported.\n"); 349 #ifndef OPENSSL_NO_ENGINE 350 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 351 #endif 352 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 353 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 354 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 355 #ifndef OPENSSL_NO_TLSEXT 356 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 357 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 358 BIO_printf(bio_err," -status - request certificate status from server\n"); 359 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 360 BIO_printf(bio_err," -cutthrough - enable 1-RTT full-handshake for strong ciphers\n"); 361 # if !defined(OPENSSL_NO_NEXTPROTONEG) 362 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 363 # endif 364 #endif 365 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 366 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 367 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 368 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 369 } 370 371 #ifndef OPENSSL_NO_TLSEXT 372 373 /* This is a context that we pass to callbacks */ 374 typedef struct tlsextctx_st { 375 BIO * biodebug; 376 int ack; 377 } tlsextctx; 378 379 380 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 381 { 382 tlsextctx * p = (tlsextctx *) arg; 383 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 384 if (SSL_get_servername_type(s) != -1) 385 p->ack = !SSL_session_reused(s) && hn != NULL; 386 else 387 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 388 389 return SSL_TLSEXT_ERR_OK; 390 } 391 392 #ifndef OPENSSL_NO_SRP 393 394 /* This is a context that we pass to all callbacks */ 395 typedef struct srp_arg_st 396 { 397 char *srppassin; 398 char *srplogin; 399 int msg; /* copy from c_msg */ 400 int debug; /* copy from c_debug */ 401 int amp; /* allow more groups */ 402 int strength /* minimal size for N */ ; 403 } SRP_ARG; 404 405 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 406 407 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 408 { 409 BN_CTX *bn_ctx = BN_CTX_new(); 410 BIGNUM *p = BN_new(); 411 BIGNUM *r = BN_new(); 412 int ret = 413 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 414 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 415 p != NULL && BN_rshift1(p, N) && 416 417 /* p = (N-1)/2 */ 418 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 419 r != NULL && 420 421 /* verify g^((N-1)/2) == -1 (mod N) */ 422 BN_mod_exp(r, g, p, N, bn_ctx) && 423 BN_add_word(r, 1) && 424 BN_cmp(r, N) == 0; 425 426 if(r) 427 BN_free(r); 428 if(p) 429 BN_free(p); 430 if(bn_ctx) 431 BN_CTX_free(bn_ctx); 432 return ret; 433 } 434 435 /* This callback is used here for two purposes: 436 - extended debugging 437 - making some primality tests for unknown groups 438 The callback is only called for a non default group. 439 440 An application does not need the call back at all if 441 only the stanard groups are used. In real life situations, 442 client and server already share well known groups, 443 thus there is no need to verify them. 444 Furthermore, in case that a server actually proposes a group that 445 is not one of those defined in RFC 5054, it is more appropriate 446 to add the group to a static list and then compare since 447 primality tests are rather cpu consuming. 448 */ 449 450 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 451 { 452 SRP_ARG *srp_arg = (SRP_ARG *)arg; 453 BIGNUM *N = NULL, *g = NULL; 454 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 455 return 0; 456 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 457 { 458 BIO_printf(bio_err, "SRP parameters:\n"); 459 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 460 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 461 BIO_printf(bio_err,"\n"); 462 } 463 464 if (SRP_check_known_gN_param(g,N)) 465 return 1; 466 467 if (srp_arg->amp == 1) 468 { 469 if (srp_arg->debug) 470 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 471 472 /* The srp_moregroups is a real debugging feature. 473 Implementors should rather add the value to the known ones. 474 The minimal size has already been tested. 475 */ 476 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 477 return 1; 478 } 479 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 480 return 0; 481 } 482 483 #define PWD_STRLEN 1024 484 485 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 486 { 487 SRP_ARG *srp_arg = (SRP_ARG *)arg; 488 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 489 PW_CB_DATA cb_tmp; 490 int l; 491 492 cb_tmp.password = (char *)srp_arg->srppassin; 493 cb_tmp.prompt_info = "SRP user"; 494 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 495 { 496 BIO_printf (bio_err, "Can't read Password\n"); 497 OPENSSL_free(pass); 498 return NULL; 499 } 500 *(pass+l)= '\0'; 501 502 return pass; 503 } 504 505 #endif 506 char *srtp_profiles = NULL; 507 508 # ifndef OPENSSL_NO_NEXTPROTONEG 509 /* This the context that we pass to next_proto_cb */ 510 typedef struct tlsextnextprotoctx_st { 511 unsigned char *data; 512 unsigned short len; 513 int status; 514 } tlsextnextprotoctx; 515 516 static tlsextnextprotoctx next_proto; 517 518 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 519 { 520 tlsextnextprotoctx *ctx = arg; 521 522 if (!c_quiet) 523 { 524 /* We can assume that |in| is syntactically valid. */ 525 unsigned i; 526 BIO_printf(bio_c_out, "Protocols advertised by server: "); 527 for (i = 0; i < inlen; ) 528 { 529 if (i) 530 BIO_write(bio_c_out, ", ", 2); 531 BIO_write(bio_c_out, &in[i + 1], in[i]); 532 i += in[i] + 1; 533 } 534 BIO_write(bio_c_out, "\n", 1); 535 } 536 537 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 538 return SSL_TLSEXT_ERR_OK; 539 } 540 # endif 541 #endif 542 543 enum 544 { 545 PROTO_OFF = 0, 546 PROTO_SMTP, 547 PROTO_POP3, 548 PROTO_IMAP, 549 PROTO_FTP, 550 PROTO_XMPP 551 }; 552 553 int MAIN(int, char **); 554 555 int MAIN(int argc, char **argv) 556 { 557 unsigned int off=0, clr=0; 558 SSL *con=NULL; 559 #ifndef OPENSSL_NO_KRB5 560 KSSL_CTX *kctx; 561 #endif 562 int s,k,width,state=0; 563 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 564 int cbuf_len,cbuf_off; 565 int sbuf_len,sbuf_off; 566 fd_set readfds,writefds; 567 short port=PORT; 568 int full_log=1; 569 char *host=SSL_HOST_NAME; 570 char *cert_file=NULL,*key_file=NULL; 571 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 572 char *passarg = NULL, *pass = NULL; 573 X509 *cert = NULL; 574 EVP_PKEY *key = NULL; 575 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 576 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 577 int cutthrough=0; 578 int crlf=0; 579 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 580 SSL_CTX *ctx=NULL; 581 int ret=1,in_init=1,i,nbio_test=0; 582 int starttls_proto = PROTO_OFF; 583 int prexit = 0; 584 X509_VERIFY_PARAM *vpm = NULL; 585 int badarg = 0; 586 const SSL_METHOD *meth=NULL; 587 int socket_type=SOCK_STREAM; 588 BIO *sbio; 589 char *inrand=NULL; 590 int mbuf_len=0; 591 struct timeval timeout, *timeoutp; 592 #ifndef OPENSSL_NO_ENGINE 593 char *engine_id=NULL; 594 char *ssl_client_engine_id=NULL; 595 ENGINE *ssl_client_engine=NULL; 596 #endif 597 ENGINE *e=NULL; 598 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 599 struct timeval tv; 600 #if defined(OPENSSL_SYS_BEOS_R5) 601 int stdin_set = 0; 602 #endif 603 #endif 604 #ifndef OPENSSL_NO_TLSEXT 605 char *servername = NULL; 606 tlsextctx tlsextcbp = 607 {NULL,0}; 608 # ifndef OPENSSL_NO_NEXTPROTONEG 609 const char *next_proto_neg_in = NULL; 610 # endif 611 #endif 612 char *sess_in = NULL; 613 char *sess_out = NULL; 614 struct sockaddr peer; 615 int peerlen = sizeof(peer); 616 int enable_timeouts = 0 ; 617 long socket_mtu = 0; 618 #ifndef OPENSSL_NO_JPAKE 619 char *jpake_secret = NULL; 620 #endif 621 #ifndef OPENSSL_NO_SRP 622 char * srppass = NULL; 623 int srp_lateuser = 0; 624 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 625 #endif 626 627 meth=SSLv23_client_method(); 628 629 apps_startup(); 630 c_Pause=0; 631 c_quiet=0; 632 c_ign_eof=0; 633 c_debug=0; 634 c_msg=0; 635 c_showcerts=0; 636 637 if (bio_err == NULL) 638 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 639 640 if (!load_config(bio_err, NULL)) 641 goto end; 642 643 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 644 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 645 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 646 { 647 BIO_printf(bio_err,"out of memory\n"); 648 goto end; 649 } 650 651 verify_depth=0; 652 verify_error=X509_V_OK; 653 #ifdef FIONBIO 654 c_nbio=0; 655 #endif 656 657 argc--; 658 argv++; 659 while (argc >= 1) 660 { 661 if (strcmp(*argv,"-host") == 0) 662 { 663 if (--argc < 1) goto bad; 664 host= *(++argv); 665 } 666 else if (strcmp(*argv,"-port") == 0) 667 { 668 if (--argc < 1) goto bad; 669 port=atoi(*(++argv)); 670 if (port == 0) goto bad; 671 } 672 else if (strcmp(*argv,"-connect") == 0) 673 { 674 if (--argc < 1) goto bad; 675 if (!extract_host_port(*(++argv),&host,NULL,&port)) 676 goto bad; 677 } 678 else if (strcmp(*argv,"-verify") == 0) 679 { 680 verify=SSL_VERIFY_PEER; 681 if (--argc < 1) goto bad; 682 verify_depth=atoi(*(++argv)); 683 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 684 } 685 else if (strcmp(*argv,"-cert") == 0) 686 { 687 if (--argc < 1) goto bad; 688 cert_file= *(++argv); 689 } 690 else if (strcmp(*argv,"-sess_out") == 0) 691 { 692 if (--argc < 1) goto bad; 693 sess_out = *(++argv); 694 } 695 else if (strcmp(*argv,"-sess_in") == 0) 696 { 697 if (--argc < 1) goto bad; 698 sess_in = *(++argv); 699 } 700 else if (strcmp(*argv,"-certform") == 0) 701 { 702 if (--argc < 1) goto bad; 703 cert_format = str2fmt(*(++argv)); 704 } 705 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 706 { 707 if (badarg) 708 goto bad; 709 continue; 710 } 711 else if (strcmp(*argv,"-verify_return_error") == 0) 712 verify_return_error = 1; 713 else if (strcmp(*argv,"-prexit") == 0) 714 prexit=1; 715 else if (strcmp(*argv,"-crlf") == 0) 716 crlf=1; 717 else if (strcmp(*argv,"-quiet") == 0) 718 { 719 c_quiet=1; 720 c_ign_eof=1; 721 } 722 else if (strcmp(*argv,"-ign_eof") == 0) 723 c_ign_eof=1; 724 else if (strcmp(*argv,"-no_ign_eof") == 0) 725 c_ign_eof=0; 726 else if (strcmp(*argv,"-pause") == 0) 727 c_Pause=1; 728 else if (strcmp(*argv,"-debug") == 0) 729 c_debug=1; 730 #ifndef OPENSSL_NO_TLSEXT 731 else if (strcmp(*argv,"-tlsextdebug") == 0) 732 c_tlsextdebug=1; 733 else if (strcmp(*argv,"-status") == 0) 734 c_status_req=1; 735 #endif 736 #ifdef WATT32 737 else if (strcmp(*argv,"-wdebug") == 0) 738 dbug_init(); 739 #endif 740 else if (strcmp(*argv,"-msg") == 0) 741 c_msg=1; 742 else if (strcmp(*argv,"-showcerts") == 0) 743 c_showcerts=1; 744 else if (strcmp(*argv,"-nbio_test") == 0) 745 nbio_test=1; 746 else if (strcmp(*argv,"-state") == 0) 747 state=1; 748 #ifndef OPENSSL_NO_PSK 749 else if (strcmp(*argv,"-psk_identity") == 0) 750 { 751 if (--argc < 1) goto bad; 752 psk_identity=*(++argv); 753 } 754 else if (strcmp(*argv,"-psk") == 0) 755 { 756 size_t j; 757 758 if (--argc < 1) goto bad; 759 psk_key=*(++argv); 760 for (j = 0; j < strlen(psk_key); j++) 761 { 762 if (isxdigit((unsigned char)psk_key[j])) 763 continue; 764 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 765 goto bad; 766 } 767 } 768 #endif 769 #ifndef OPENSSL_NO_SRP 770 else if (strcmp(*argv,"-srpuser") == 0) 771 { 772 if (--argc < 1) goto bad; 773 srp_arg.srplogin= *(++argv); 774 meth=TLSv1_client_method(); 775 } 776 else if (strcmp(*argv,"-srppass") == 0) 777 { 778 if (--argc < 1) goto bad; 779 srppass= *(++argv); 780 meth=TLSv1_client_method(); 781 } 782 else if (strcmp(*argv,"-srp_strength") == 0) 783 { 784 if (--argc < 1) goto bad; 785 srp_arg.strength=atoi(*(++argv)); 786 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 787 meth=TLSv1_client_method(); 788 } 789 else if (strcmp(*argv,"-srp_lateuser") == 0) 790 { 791 srp_lateuser= 1; 792 meth=TLSv1_client_method(); 793 } 794 else if (strcmp(*argv,"-srp_moregroups") == 0) 795 { 796 srp_arg.amp=1; 797 meth=TLSv1_client_method(); 798 } 799 #endif 800 #ifndef OPENSSL_NO_SSL2 801 else if (strcmp(*argv,"-ssl2") == 0) 802 meth=SSLv2_client_method(); 803 #endif 804 #ifndef OPENSSL_NO_SSL3 805 else if (strcmp(*argv,"-ssl3") == 0) 806 meth=SSLv3_client_method(); 807 #endif 808 #ifndef OPENSSL_NO_TLS1 809 else if (strcmp(*argv,"-tls1_2") == 0) 810 meth=TLSv1_2_client_method(); 811 else if (strcmp(*argv,"-tls1_1") == 0) 812 meth=TLSv1_1_client_method(); 813 else if (strcmp(*argv,"-tls1") == 0) 814 meth=TLSv1_client_method(); 815 #endif 816 #ifndef OPENSSL_NO_DTLS1 817 else if (strcmp(*argv,"-dtls1") == 0) 818 { 819 meth=DTLSv1_client_method(); 820 socket_type=SOCK_DGRAM; 821 } 822 else if (strcmp(*argv,"-timeout") == 0) 823 enable_timeouts=1; 824 else if (strcmp(*argv,"-mtu") == 0) 825 { 826 if (--argc < 1) goto bad; 827 socket_mtu = atol(*(++argv)); 828 } 829 #endif 830 else if (strcmp(*argv,"-bugs") == 0) 831 bugs=1; 832 else if (strcmp(*argv,"-keyform") == 0) 833 { 834 if (--argc < 1) goto bad; 835 key_format = str2fmt(*(++argv)); 836 } 837 else if (strcmp(*argv,"-pass") == 0) 838 { 839 if (--argc < 1) goto bad; 840 passarg = *(++argv); 841 } 842 else if (strcmp(*argv,"-key") == 0) 843 { 844 if (--argc < 1) goto bad; 845 key_file= *(++argv); 846 } 847 else if (strcmp(*argv,"-reconnect") == 0) 848 { 849 reconnect=5; 850 } 851 else if (strcmp(*argv,"-CApath") == 0) 852 { 853 if (--argc < 1) goto bad; 854 CApath= *(++argv); 855 } 856 else if (strcmp(*argv,"-CAfile") == 0) 857 { 858 if (--argc < 1) goto bad; 859 CAfile= *(++argv); 860 } 861 else if (strcmp(*argv,"-no_tls1_2") == 0) 862 off|=SSL_OP_NO_TLSv1_2; 863 else if (strcmp(*argv,"-no_tls1_1") == 0) 864 off|=SSL_OP_NO_TLSv1_1; 865 else if (strcmp(*argv,"-no_tls1") == 0) 866 off|=SSL_OP_NO_TLSv1; 867 else if (strcmp(*argv,"-no_ssl3") == 0) 868 off|=SSL_OP_NO_SSLv3; 869 else if (strcmp(*argv,"-no_ssl2") == 0) 870 off|=SSL_OP_NO_SSLv2; 871 else if (strcmp(*argv,"-no_comp") == 0) 872 { off|=SSL_OP_NO_COMPRESSION; } 873 #ifndef OPENSSL_NO_TLSEXT 874 else if (strcmp(*argv,"-no_ticket") == 0) 875 { off|=SSL_OP_NO_TICKET; } 876 # ifndef OPENSSL_NO_NEXTPROTONEG 877 else if (strcmp(*argv,"-nextprotoneg") == 0) 878 { 879 if (--argc < 1) goto bad; 880 next_proto_neg_in = *(++argv); 881 } 882 # endif 883 #endif 884 else if (strcmp(*argv,"-cutthrough") == 0) 885 cutthrough=1; 886 else if (strcmp(*argv,"-serverpref") == 0) 887 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 888 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 889 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 890 else if (strcmp(*argv,"-legacy_server_connect") == 0) 891 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 892 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 893 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 894 else if (strcmp(*argv,"-cipher") == 0) 895 { 896 if (--argc < 1) goto bad; 897 cipher= *(++argv); 898 } 899 #ifdef FIONBIO 900 else if (strcmp(*argv,"-nbio") == 0) 901 { c_nbio=1; } 902 #endif 903 else if (strcmp(*argv,"-starttls") == 0) 904 { 905 if (--argc < 1) goto bad; 906 ++argv; 907 if (strcmp(*argv,"smtp") == 0) 908 starttls_proto = PROTO_SMTP; 909 else if (strcmp(*argv,"pop3") == 0) 910 starttls_proto = PROTO_POP3; 911 else if (strcmp(*argv,"imap") == 0) 912 starttls_proto = PROTO_IMAP; 913 else if (strcmp(*argv,"ftp") == 0) 914 starttls_proto = PROTO_FTP; 915 else if (strcmp(*argv, "xmpp") == 0) 916 starttls_proto = PROTO_XMPP; 917 else 918 goto bad; 919 } 920 #ifndef OPENSSL_NO_ENGINE 921 else if (strcmp(*argv,"-engine") == 0) 922 { 923 if (--argc < 1) goto bad; 924 engine_id = *(++argv); 925 } 926 else if (strcmp(*argv,"-ssl_client_engine") == 0) 927 { 928 if (--argc < 1) goto bad; 929 ssl_client_engine_id = *(++argv); 930 } 931 #endif 932 else if (strcmp(*argv,"-rand") == 0) 933 { 934 if (--argc < 1) goto bad; 935 inrand= *(++argv); 936 } 937 #ifndef OPENSSL_NO_TLSEXT 938 else if (strcmp(*argv,"-servername") == 0) 939 { 940 if (--argc < 1) goto bad; 941 servername= *(++argv); 942 /* meth=TLSv1_client_method(); */ 943 } 944 #endif 945 #ifndef OPENSSL_NO_JPAKE 946 else if (strcmp(*argv,"-jpake") == 0) 947 { 948 if (--argc < 1) goto bad; 949 jpake_secret = *++argv; 950 } 951 #endif 952 else if (strcmp(*argv,"-use_srtp") == 0) 953 { 954 if (--argc < 1) goto bad; 955 srtp_profiles = *(++argv); 956 } 957 else if (strcmp(*argv,"-keymatexport") == 0) 958 { 959 if (--argc < 1) goto bad; 960 keymatexportlabel= *(++argv); 961 } 962 else if (strcmp(*argv,"-keymatexportlen") == 0) 963 { 964 if (--argc < 1) goto bad; 965 keymatexportlen=atoi(*(++argv)); 966 if (keymatexportlen == 0) goto bad; 967 } 968 else 969 { 970 BIO_printf(bio_err,"unknown option %s\n",*argv); 971 badop=1; 972 break; 973 } 974 argc--; 975 argv++; 976 } 977 if (badop) 978 { 979 bad: 980 sc_usage(); 981 goto end; 982 } 983 984 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 985 if (jpake_secret) 986 { 987 if (psk_key) 988 { 989 BIO_printf(bio_err, 990 "Can't use JPAKE and PSK together\n"); 991 goto end; 992 } 993 psk_identity = "JPAKE"; 994 if (cipher) 995 { 996 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 997 goto end; 998 } 999 cipher = "PSK"; 1000 } 1001 #endif 1002 1003 OpenSSL_add_ssl_algorithms(); 1004 SSL_load_error_strings(); 1005 1006 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1007 next_proto.status = -1; 1008 if (next_proto_neg_in) 1009 { 1010 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1011 if (next_proto.data == NULL) 1012 { 1013 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1014 goto end; 1015 } 1016 } 1017 else 1018 next_proto.data = NULL; 1019 #endif 1020 1021 #ifndef OPENSSL_NO_ENGINE 1022 e = setup_engine(bio_err, engine_id, 1); 1023 if (ssl_client_engine_id) 1024 { 1025 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1026 if (!ssl_client_engine) 1027 { 1028 BIO_printf(bio_err, 1029 "Error getting client auth engine\n"); 1030 goto end; 1031 } 1032 } 1033 1034 #endif 1035 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1036 { 1037 BIO_printf(bio_err, "Error getting password\n"); 1038 goto end; 1039 } 1040 1041 if (key_file == NULL) 1042 key_file = cert_file; 1043 1044 1045 if (key_file) 1046 1047 { 1048 1049 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1050 "client certificate private key file"); 1051 if (!key) 1052 { 1053 ERR_print_errors(bio_err); 1054 goto end; 1055 } 1056 1057 } 1058 1059 if (cert_file) 1060 1061 { 1062 cert = load_cert(bio_err,cert_file,cert_format, 1063 NULL, e, "client certificate file"); 1064 1065 if (!cert) 1066 { 1067 ERR_print_errors(bio_err); 1068 goto end; 1069 } 1070 } 1071 1072 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1073 && !RAND_status()) 1074 { 1075 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1076 } 1077 if (inrand != NULL) 1078 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1079 app_RAND_load_files(inrand)); 1080 1081 if (bio_c_out == NULL) 1082 { 1083 if (c_quiet && !c_debug && !c_msg) 1084 { 1085 bio_c_out=BIO_new(BIO_s_null()); 1086 } 1087 else 1088 { 1089 if (bio_c_out == NULL) 1090 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1091 } 1092 } 1093 1094 #ifndef OPENSSL_NO_SRP 1095 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1096 { 1097 BIO_printf(bio_err, "Error getting password\n"); 1098 goto end; 1099 } 1100 #endif 1101 1102 ctx=SSL_CTX_new(meth); 1103 if (ctx == NULL) 1104 { 1105 ERR_print_errors(bio_err); 1106 goto end; 1107 } 1108 1109 if (vpm) 1110 SSL_CTX_set1_param(ctx, vpm); 1111 1112 #ifndef OPENSSL_NO_ENGINE 1113 if (ssl_client_engine) 1114 { 1115 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1116 { 1117 BIO_puts(bio_err, "Error setting client auth engine\n"); 1118 ERR_print_errors(bio_err); 1119 ENGINE_free(ssl_client_engine); 1120 goto end; 1121 } 1122 ENGINE_free(ssl_client_engine); 1123 } 1124 #endif 1125 1126 #ifndef OPENSSL_NO_PSK 1127 #ifdef OPENSSL_NO_JPAKE 1128 if (psk_key != NULL) 1129 #else 1130 if (psk_key != NULL || jpake_secret) 1131 #endif 1132 { 1133 if (c_debug) 1134 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1135 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1136 } 1137 if (srtp_profiles != NULL) 1138 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1139 #endif 1140 if (bugs) 1141 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1142 else 1143 SSL_CTX_set_options(ctx,off); 1144 1145 if (clr) 1146 SSL_CTX_clear_options(ctx, clr); 1147 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1148 * Setting read ahead solves this problem. 1149 */ 1150 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1151 1152 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1153 if (next_proto.data) 1154 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1155 #endif 1156 1157 /* Enable handshake cutthrough for client connections using 1158 * strong ciphers. */ 1159 if (cutthrough) 1160 { 1161 int ssl_mode = SSL_CTX_get_mode(ctx); 1162 ssl_mode |= SSL_MODE_HANDSHAKE_CUTTHROUGH; 1163 SSL_CTX_set_mode(ctx, ssl_mode); 1164 } 1165 1166 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1167 if (cipher != NULL) 1168 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1169 BIO_printf(bio_err,"error setting cipher list\n"); 1170 ERR_print_errors(bio_err); 1171 goto end; 1172 } 1173 #if 0 1174 else 1175 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1176 #endif 1177 1178 SSL_CTX_set_verify(ctx,verify,verify_callback); 1179 if (!set_cert_key_stuff(ctx,cert,key)) 1180 goto end; 1181 1182 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1183 (!SSL_CTX_set_default_verify_paths(ctx))) 1184 { 1185 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1186 ERR_print_errors(bio_err); 1187 /* goto end; */ 1188 } 1189 1190 #ifndef OPENSSL_NO_TLSEXT 1191 if (servername != NULL) 1192 { 1193 tlsextcbp.biodebug = bio_err; 1194 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1195 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1196 } 1197 #ifndef OPENSSL_NO_SRP 1198 if (srp_arg.srplogin) 1199 { 1200 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1201 { 1202 BIO_printf(bio_err,"Unable to set SRP username\n"); 1203 goto end; 1204 } 1205 srp_arg.msg = c_msg; 1206 srp_arg.debug = c_debug ; 1207 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1208 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1209 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1210 if (c_msg || c_debug || srp_arg.amp == 0) 1211 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1212 } 1213 1214 #endif 1215 #endif 1216 1217 con=SSL_new(ctx); 1218 if (sess_in) 1219 { 1220 SSL_SESSION *sess; 1221 BIO *stmp = BIO_new_file(sess_in, "r"); 1222 if (!stmp) 1223 { 1224 BIO_printf(bio_err, "Can't open session file %s\n", 1225 sess_in); 1226 ERR_print_errors(bio_err); 1227 goto end; 1228 } 1229 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1230 BIO_free(stmp); 1231 if (!sess) 1232 { 1233 BIO_printf(bio_err, "Can't open session file %s\n", 1234 sess_in); 1235 ERR_print_errors(bio_err); 1236 goto end; 1237 } 1238 SSL_set_session(con, sess); 1239 SSL_SESSION_free(sess); 1240 } 1241 #ifndef OPENSSL_NO_TLSEXT 1242 if (servername != NULL) 1243 { 1244 if (!SSL_set_tlsext_host_name(con,servername)) 1245 { 1246 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1247 ERR_print_errors(bio_err); 1248 goto end; 1249 } 1250 } 1251 #endif 1252 #ifndef OPENSSL_NO_KRB5 1253 if (con && (kctx = kssl_ctx_new()) != NULL) 1254 { 1255 SSL_set0_kssl_ctx(con, kctx); 1256 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1257 } 1258 #endif /* OPENSSL_NO_KRB5 */ 1259 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1260 #if 0 1261 #ifdef TLSEXT_TYPE_opaque_prf_input 1262 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1263 #endif 1264 #endif 1265 1266 re_start: 1267 1268 if (init_client(&s,host,port,socket_type) == 0) 1269 { 1270 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1271 SHUTDOWN(s); 1272 goto end; 1273 } 1274 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1275 1276 #ifdef FIONBIO 1277 if (c_nbio) 1278 { 1279 unsigned long l=1; 1280 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1281 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1282 { 1283 ERR_print_errors(bio_err); 1284 goto end; 1285 } 1286 } 1287 #endif 1288 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1289 1290 if ( SSL_version(con) == DTLS1_VERSION) 1291 { 1292 1293 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1294 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1295 { 1296 BIO_printf(bio_err, "getsockname:errno=%d\n", 1297 get_last_socket_error()); 1298 SHUTDOWN(s); 1299 goto end; 1300 } 1301 1302 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1303 1304 if (enable_timeouts) 1305 { 1306 timeout.tv_sec = 0; 1307 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1308 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1309 1310 timeout.tv_sec = 0; 1311 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1312 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1313 } 1314 1315 if (socket_mtu > 28) 1316 { 1317 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1318 SSL_set_mtu(con, socket_mtu - 28); 1319 } 1320 else 1321 /* want to do MTU discovery */ 1322 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1323 } 1324 else 1325 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1326 1327 if (nbio_test) 1328 { 1329 BIO *test; 1330 1331 test=BIO_new(BIO_f_nbio_test()); 1332 sbio=BIO_push(test,sbio); 1333 } 1334 1335 if (c_debug) 1336 { 1337 SSL_set_debug(con, 1); 1338 BIO_set_callback(sbio,bio_dump_callback); 1339 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1340 } 1341 if (c_msg) 1342 { 1343 SSL_set_msg_callback(con, msg_cb); 1344 SSL_set_msg_callback_arg(con, bio_c_out); 1345 } 1346 #ifndef OPENSSL_NO_TLSEXT 1347 if (c_tlsextdebug) 1348 { 1349 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1350 SSL_set_tlsext_debug_arg(con, bio_c_out); 1351 } 1352 if (c_status_req) 1353 { 1354 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1355 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1356 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1357 #if 0 1358 { 1359 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1360 OCSP_RESPID *id = OCSP_RESPID_new(); 1361 id->value.byKey = ASN1_OCTET_STRING_new(); 1362 id->type = V_OCSP_RESPID_KEY; 1363 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1364 sk_OCSP_RESPID_push(ids, id); 1365 SSL_set_tlsext_status_ids(con, ids); 1366 } 1367 #endif 1368 } 1369 #endif 1370 #ifndef OPENSSL_NO_JPAKE 1371 if (jpake_secret) 1372 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1373 #endif 1374 1375 SSL_set_bio(con,sbio,sbio); 1376 SSL_set_connect_state(con); 1377 1378 /* ok, lets connect */ 1379 width=SSL_get_fd(con)+1; 1380 1381 read_tty=1; 1382 write_tty=0; 1383 tty_on=0; 1384 read_ssl=1; 1385 write_ssl=1; 1386 1387 cbuf_len=0; 1388 cbuf_off=0; 1389 sbuf_len=0; 1390 sbuf_off=0; 1391 1392 /* This is an ugly hack that does a lot of assumptions */ 1393 /* We do have to handle multi-line responses which may come 1394 in a single packet or not. We therefore have to use 1395 BIO_gets() which does need a buffering BIO. So during 1396 the initial chitchat we do push a buffering BIO into the 1397 chain that is removed again later on to not disturb the 1398 rest of the s_client operation. */ 1399 if (starttls_proto == PROTO_SMTP) 1400 { 1401 int foundit=0; 1402 BIO *fbio = BIO_new(BIO_f_buffer()); 1403 BIO_push(fbio, sbio); 1404 /* wait for multi-line response to end from SMTP */ 1405 do 1406 { 1407 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1408 } 1409 while (mbuf_len>3 && mbuf[3]=='-'); 1410 /* STARTTLS command requires EHLO... */ 1411 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1412 (void)BIO_flush(fbio); 1413 /* wait for multi-line response to end EHLO SMTP response */ 1414 do 1415 { 1416 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1417 if (strstr(mbuf,"STARTTLS")) 1418 foundit=1; 1419 } 1420 while (mbuf_len>3 && mbuf[3]=='-'); 1421 (void)BIO_flush(fbio); 1422 BIO_pop(fbio); 1423 BIO_free(fbio); 1424 if (!foundit) 1425 BIO_printf(bio_err, 1426 "didn't found starttls in server response," 1427 " try anyway...\n"); 1428 BIO_printf(sbio,"STARTTLS\r\n"); 1429 BIO_read(sbio,sbuf,BUFSIZZ); 1430 } 1431 else if (starttls_proto == PROTO_POP3) 1432 { 1433 BIO_read(sbio,mbuf,BUFSIZZ); 1434 BIO_printf(sbio,"STLS\r\n"); 1435 BIO_read(sbio,sbuf,BUFSIZZ); 1436 } 1437 else if (starttls_proto == PROTO_IMAP) 1438 { 1439 int foundit=0; 1440 BIO *fbio = BIO_new(BIO_f_buffer()); 1441 BIO_push(fbio, sbio); 1442 BIO_gets(fbio,mbuf,BUFSIZZ); 1443 /* STARTTLS command requires CAPABILITY... */ 1444 BIO_printf(fbio,". CAPABILITY\r\n"); 1445 (void)BIO_flush(fbio); 1446 /* wait for multi-line CAPABILITY response */ 1447 do 1448 { 1449 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1450 if (strstr(mbuf,"STARTTLS")) 1451 foundit=1; 1452 } 1453 while (mbuf_len>3 && mbuf[0]!='.'); 1454 (void)BIO_flush(fbio); 1455 BIO_pop(fbio); 1456 BIO_free(fbio); 1457 if (!foundit) 1458 BIO_printf(bio_err, 1459 "didn't found STARTTLS in server response," 1460 " try anyway...\n"); 1461 BIO_printf(sbio,". STARTTLS\r\n"); 1462 BIO_read(sbio,sbuf,BUFSIZZ); 1463 } 1464 else if (starttls_proto == PROTO_FTP) 1465 { 1466 BIO *fbio = BIO_new(BIO_f_buffer()); 1467 BIO_push(fbio, sbio); 1468 /* wait for multi-line response to end from FTP */ 1469 do 1470 { 1471 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1472 } 1473 while (mbuf_len>3 && mbuf[3]=='-'); 1474 (void)BIO_flush(fbio); 1475 BIO_pop(fbio); 1476 BIO_free(fbio); 1477 BIO_printf(sbio,"AUTH TLS\r\n"); 1478 BIO_read(sbio,sbuf,BUFSIZZ); 1479 } 1480 if (starttls_proto == PROTO_XMPP) 1481 { 1482 int seen = 0; 1483 BIO_printf(sbio,"<stream:stream " 1484 "xmlns:stream='http://etherx.jabber.org/streams' " 1485 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1486 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1487 mbuf[seen] = 0; 1488 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1489 { 1490 if (strstr(mbuf, "/stream:features>")) 1491 goto shut; 1492 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1493 mbuf[seen] = 0; 1494 } 1495 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1496 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1497 sbuf[seen] = 0; 1498 if (!strstr(sbuf, "<proceed")) 1499 goto shut; 1500 mbuf[0] = 0; 1501 } 1502 1503 for (;;) 1504 { 1505 FD_ZERO(&readfds); 1506 FD_ZERO(&writefds); 1507 1508 if ((SSL_version(con) == DTLS1_VERSION) && 1509 DTLSv1_get_timeout(con, &timeout)) 1510 timeoutp = &timeout; 1511 else 1512 timeoutp = NULL; 1513 1514 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1515 { 1516 in_init=1; 1517 tty_on=0; 1518 } 1519 else 1520 { 1521 tty_on=1; 1522 if (in_init) 1523 { 1524 in_init=0; 1525 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1526 #ifndef OPENSSL_NO_TLSEXT 1527 if (servername != NULL && !SSL_session_reused(con)) 1528 { 1529 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1530 } 1531 #endif 1532 #endif 1533 if (sess_out) 1534 { 1535 BIO *stmp = BIO_new_file(sess_out, "w"); 1536 if (stmp) 1537 { 1538 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1539 BIO_free(stmp); 1540 } 1541 else 1542 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1543 } 1544 print_stuff(bio_c_out,con,full_log); 1545 if (full_log > 0) full_log--; 1546 1547 if (starttls_proto) 1548 { 1549 BIO_printf(bio_err,"%s",mbuf); 1550 /* We don't need to know any more */ 1551 starttls_proto = PROTO_OFF; 1552 } 1553 1554 if (reconnect) 1555 { 1556 reconnect--; 1557 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1558 SSL_shutdown(con); 1559 SSL_set_connect_state(con); 1560 SHUTDOWN(SSL_get_fd(con)); 1561 goto re_start; 1562 } 1563 } 1564 } 1565 1566 ssl_pending = read_ssl && SSL_pending(con); 1567 1568 if (!ssl_pending) 1569 { 1570 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1571 if (tty_on) 1572 { 1573 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1574 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1575 } 1576 if (read_ssl) 1577 openssl_fdset(SSL_get_fd(con),&readfds); 1578 if (write_ssl) 1579 openssl_fdset(SSL_get_fd(con),&writefds); 1580 #else 1581 if(!tty_on || !write_tty) { 1582 if (read_ssl) 1583 openssl_fdset(SSL_get_fd(con),&readfds); 1584 if (write_ssl) 1585 openssl_fdset(SSL_get_fd(con),&writefds); 1586 } 1587 #endif 1588 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1589 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1590 1591 /* Note: under VMS with SOCKETSHR the second parameter 1592 * is currently of type (int *) whereas under other 1593 * systems it is (void *) if you don't have a cast it 1594 * will choke the compiler: if you do have a cast then 1595 * you can either go for (int *) or (void *). 1596 */ 1597 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1598 /* Under Windows/DOS we make the assumption that we can 1599 * always write to the tty: therefore if we need to 1600 * write to the tty we just fall through. Otherwise 1601 * we timeout the select every second and see if there 1602 * are any keypresses. Note: this is a hack, in a proper 1603 * Windows application we wouldn't do this. 1604 */ 1605 i=0; 1606 if(!write_tty) { 1607 if(read_tty) { 1608 tv.tv_sec = 1; 1609 tv.tv_usec = 0; 1610 i=select(width,(void *)&readfds,(void *)&writefds, 1611 NULL,&tv); 1612 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1613 if(!i && (!_kbhit() || !read_tty) ) continue; 1614 #else 1615 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1616 #endif 1617 } else i=select(width,(void *)&readfds,(void *)&writefds, 1618 NULL,timeoutp); 1619 } 1620 #elif defined(OPENSSL_SYS_NETWARE) 1621 if(!write_tty) { 1622 if(read_tty) { 1623 tv.tv_sec = 1; 1624 tv.tv_usec = 0; 1625 i=select(width,(void *)&readfds,(void *)&writefds, 1626 NULL,&tv); 1627 } else i=select(width,(void *)&readfds,(void *)&writefds, 1628 NULL,timeoutp); 1629 } 1630 #elif defined(OPENSSL_SYS_BEOS_R5) 1631 /* Under BeOS-R5 the situation is similar to DOS */ 1632 i=0; 1633 stdin_set = 0; 1634 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1635 if(!write_tty) { 1636 if(read_tty) { 1637 tv.tv_sec = 1; 1638 tv.tv_usec = 0; 1639 i=select(width,(void *)&readfds,(void *)&writefds, 1640 NULL,&tv); 1641 if (read(fileno(stdin), sbuf, 0) >= 0) 1642 stdin_set = 1; 1643 if (!i && (stdin_set != 1 || !read_tty)) 1644 continue; 1645 } else i=select(width,(void *)&readfds,(void *)&writefds, 1646 NULL,timeoutp); 1647 } 1648 (void)fcntl(fileno(stdin), F_SETFL, 0); 1649 #else 1650 i=select(width,(void *)&readfds,(void *)&writefds, 1651 NULL,timeoutp); 1652 #endif 1653 if ( i < 0) 1654 { 1655 BIO_printf(bio_err,"bad select %d\n", 1656 get_last_socket_error()); 1657 goto shut; 1658 /* goto end; */ 1659 } 1660 } 1661 1662 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1663 { 1664 BIO_printf(bio_err,"TIMEOUT occured\n"); 1665 } 1666 1667 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1668 { 1669 k=SSL_write(con,&(cbuf[cbuf_off]), 1670 (unsigned int)cbuf_len); 1671 switch (SSL_get_error(con,k)) 1672 { 1673 case SSL_ERROR_NONE: 1674 cbuf_off+=k; 1675 cbuf_len-=k; 1676 if (k <= 0) goto end; 1677 /* we have done a write(con,NULL,0); */ 1678 if (cbuf_len <= 0) 1679 { 1680 read_tty=1; 1681 write_ssl=0; 1682 } 1683 else /* if (cbuf_len > 0) */ 1684 { 1685 read_tty=0; 1686 write_ssl=1; 1687 } 1688 break; 1689 case SSL_ERROR_WANT_WRITE: 1690 BIO_printf(bio_c_out,"write W BLOCK\n"); 1691 write_ssl=1; 1692 read_tty=0; 1693 break; 1694 case SSL_ERROR_WANT_READ: 1695 BIO_printf(bio_c_out,"write R BLOCK\n"); 1696 write_tty=0; 1697 read_ssl=1; 1698 write_ssl=0; 1699 break; 1700 case SSL_ERROR_WANT_X509_LOOKUP: 1701 BIO_printf(bio_c_out,"write X BLOCK\n"); 1702 break; 1703 case SSL_ERROR_ZERO_RETURN: 1704 if (cbuf_len != 0) 1705 { 1706 BIO_printf(bio_c_out,"shutdown\n"); 1707 ret = 0; 1708 goto shut; 1709 } 1710 else 1711 { 1712 read_tty=1; 1713 write_ssl=0; 1714 break; 1715 } 1716 1717 case SSL_ERROR_SYSCALL: 1718 if ((k != 0) || (cbuf_len != 0)) 1719 { 1720 BIO_printf(bio_err,"write:errno=%d\n", 1721 get_last_socket_error()); 1722 goto shut; 1723 } 1724 else 1725 { 1726 read_tty=1; 1727 write_ssl=0; 1728 } 1729 break; 1730 case SSL_ERROR_SSL: 1731 ERR_print_errors(bio_err); 1732 goto shut; 1733 } 1734 } 1735 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1736 /* Assume Windows/DOS/BeOS can always write */ 1737 else if (!ssl_pending && write_tty) 1738 #else 1739 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1740 #endif 1741 { 1742 #ifdef CHARSET_EBCDIC 1743 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1744 #endif 1745 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1746 1747 if (i <= 0) 1748 { 1749 BIO_printf(bio_c_out,"DONE\n"); 1750 ret = 0; 1751 goto shut; 1752 /* goto end; */ 1753 } 1754 1755 sbuf_len-=i;; 1756 sbuf_off+=i; 1757 if (sbuf_len <= 0) 1758 { 1759 read_ssl=1; 1760 write_tty=0; 1761 } 1762 } 1763 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1764 { 1765 #ifdef RENEG 1766 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1767 #endif 1768 #if 1 1769 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1770 #else 1771 /* Demo for pending and peek :-) */ 1772 k=SSL_read(con,sbuf,16); 1773 { char zbuf[10240]; 1774 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1775 } 1776 #endif 1777 1778 switch (SSL_get_error(con,k)) 1779 { 1780 case SSL_ERROR_NONE: 1781 if (k <= 0) 1782 goto end; 1783 sbuf_off=0; 1784 sbuf_len=k; 1785 1786 read_ssl=0; 1787 write_tty=1; 1788 break; 1789 case SSL_ERROR_WANT_WRITE: 1790 BIO_printf(bio_c_out,"read W BLOCK\n"); 1791 write_ssl=1; 1792 read_tty=0; 1793 break; 1794 case SSL_ERROR_WANT_READ: 1795 BIO_printf(bio_c_out,"read R BLOCK\n"); 1796 write_tty=0; 1797 read_ssl=1; 1798 if ((read_tty == 0) && (write_ssl == 0)) 1799 write_ssl=1; 1800 break; 1801 case SSL_ERROR_WANT_X509_LOOKUP: 1802 BIO_printf(bio_c_out,"read X BLOCK\n"); 1803 break; 1804 case SSL_ERROR_SYSCALL: 1805 ret=get_last_socket_error(); 1806 BIO_printf(bio_err,"read:errno=%d\n",ret); 1807 goto shut; 1808 case SSL_ERROR_ZERO_RETURN: 1809 BIO_printf(bio_c_out,"closed\n"); 1810 ret=0; 1811 goto shut; 1812 case SSL_ERROR_SSL: 1813 ERR_print_errors(bio_err); 1814 goto shut; 1815 /* break; */ 1816 } 1817 } 1818 1819 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1820 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1821 else if (_kbhit()) 1822 #else 1823 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1824 #endif 1825 #elif defined (OPENSSL_SYS_NETWARE) 1826 else if (_kbhit()) 1827 #elif defined(OPENSSL_SYS_BEOS_R5) 1828 else if (stdin_set) 1829 #else 1830 else if (FD_ISSET(fileno(stdin),&readfds)) 1831 #endif 1832 { 1833 if (crlf) 1834 { 1835 int j, lf_num; 1836 1837 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1838 lf_num = 0; 1839 /* both loops are skipped when i <= 0 */ 1840 for (j = 0; j < i; j++) 1841 if (cbuf[j] == '\n') 1842 lf_num++; 1843 for (j = i-1; j >= 0; j--) 1844 { 1845 cbuf[j+lf_num] = cbuf[j]; 1846 if (cbuf[j] == '\n') 1847 { 1848 lf_num--; 1849 i++; 1850 cbuf[j+lf_num] = '\r'; 1851 } 1852 } 1853 assert(lf_num == 0); 1854 } 1855 else 1856 i=raw_read_stdin(cbuf,BUFSIZZ); 1857 1858 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1859 { 1860 BIO_printf(bio_err,"DONE\n"); 1861 ret=0; 1862 goto shut; 1863 } 1864 1865 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1866 { 1867 BIO_printf(bio_err,"RENEGOTIATING\n"); 1868 SSL_renegotiate(con); 1869 cbuf_len=0; 1870 } 1871 #ifndef OPENSSL_NO_HEARTBEATS 1872 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1873 { 1874 BIO_printf(bio_err,"HEARTBEATING\n"); 1875 SSL_heartbeat(con); 1876 cbuf_len=0; 1877 } 1878 #endif 1879 else 1880 { 1881 cbuf_len=i; 1882 cbuf_off=0; 1883 #ifdef CHARSET_EBCDIC 1884 ebcdic2ascii(cbuf, cbuf, i); 1885 #endif 1886 } 1887 1888 write_ssl=1; 1889 read_tty=0; 1890 } 1891 } 1892 1893 ret=0; 1894 shut: 1895 if (in_init) 1896 print_stuff(bio_c_out,con,full_log); 1897 SSL_shutdown(con); 1898 SHUTDOWN(SSL_get_fd(con)); 1899 end: 1900 if (con != NULL) 1901 { 1902 if (prexit != 0) 1903 print_stuff(bio_c_out,con,1); 1904 SSL_free(con); 1905 } 1906 if (ctx != NULL) SSL_CTX_free(ctx); 1907 if (cert) 1908 X509_free(cert); 1909 if (key) 1910 EVP_PKEY_free(key); 1911 if (pass) 1912 OPENSSL_free(pass); 1913 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1914 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1915 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1916 if (bio_c_out != NULL) 1917 { 1918 BIO_free(bio_c_out); 1919 bio_c_out=NULL; 1920 } 1921 apps_shutdown(); 1922 OPENSSL_EXIT(ret); 1923 } 1924 1925 1926 static void print_stuff(BIO *bio, SSL *s, int full) 1927 { 1928 X509 *peer=NULL; 1929 char *p; 1930 static const char *space=" "; 1931 char buf[BUFSIZ]; 1932 STACK_OF(X509) *sk; 1933 STACK_OF(X509_NAME) *sk2; 1934 const SSL_CIPHER *c; 1935 X509_NAME *xn; 1936 int j,i; 1937 #ifndef OPENSSL_NO_COMP 1938 const COMP_METHOD *comp, *expansion; 1939 #endif 1940 unsigned char *exportedkeymat; 1941 1942 if (full) 1943 { 1944 int got_a_chain = 0; 1945 1946 sk=SSL_get_peer_cert_chain(s); 1947 if (sk != NULL) 1948 { 1949 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1950 1951 BIO_printf(bio,"---\nCertificate chain\n"); 1952 for (i=0; i<sk_X509_num(sk); i++) 1953 { 1954 X509_NAME_oneline(X509_get_subject_name( 1955 sk_X509_value(sk,i)),buf,sizeof buf); 1956 BIO_printf(bio,"%2d s:%s\n",i,buf); 1957 X509_NAME_oneline(X509_get_issuer_name( 1958 sk_X509_value(sk,i)),buf,sizeof buf); 1959 BIO_printf(bio," i:%s\n",buf); 1960 if (c_showcerts) 1961 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1962 } 1963 } 1964 1965 BIO_printf(bio,"---\n"); 1966 peer=SSL_get_peer_certificate(s); 1967 if (peer != NULL) 1968 { 1969 BIO_printf(bio,"Server certificate\n"); 1970 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1971 PEM_write_bio_X509(bio,peer); 1972 X509_NAME_oneline(X509_get_subject_name(peer), 1973 buf,sizeof buf); 1974 BIO_printf(bio,"subject=%s\n",buf); 1975 X509_NAME_oneline(X509_get_issuer_name(peer), 1976 buf,sizeof buf); 1977 BIO_printf(bio,"issuer=%s\n",buf); 1978 } 1979 else 1980 BIO_printf(bio,"no peer certificate available\n"); 1981 1982 sk2=SSL_get_client_CA_list(s); 1983 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1984 { 1985 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1986 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1987 { 1988 xn=sk_X509_NAME_value(sk2,i); 1989 X509_NAME_oneline(xn,buf,sizeof(buf)); 1990 BIO_write(bio,buf,strlen(buf)); 1991 BIO_write(bio,"\n",1); 1992 } 1993 } 1994 else 1995 { 1996 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1997 } 1998 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1999 if (p != NULL) 2000 { 2001 /* This works only for SSL 2. In later protocol 2002 * versions, the client does not know what other 2003 * ciphers (in addition to the one to be used 2004 * in the current connection) the server supports. */ 2005 2006 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2007 j=i=0; 2008 while (*p) 2009 { 2010 if (*p == ':') 2011 { 2012 BIO_write(bio,space,15-j%25); 2013 i++; 2014 j=0; 2015 BIO_write(bio,((i%3)?" ":"\n"),1); 2016 } 2017 else 2018 { 2019 BIO_write(bio,p,1); 2020 j++; 2021 } 2022 p++; 2023 } 2024 BIO_write(bio,"\n",1); 2025 } 2026 2027 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2028 BIO_number_read(SSL_get_rbio(s)), 2029 BIO_number_written(SSL_get_wbio(s))); 2030 } 2031 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2032 c=SSL_get_current_cipher(s); 2033 BIO_printf(bio,"%s, Cipher is %s\n", 2034 SSL_CIPHER_get_version(c), 2035 SSL_CIPHER_get_name(c)); 2036 if (peer != NULL) { 2037 EVP_PKEY *pktmp; 2038 pktmp = X509_get_pubkey(peer); 2039 BIO_printf(bio,"Server public key is %d bit\n", 2040 EVP_PKEY_bits(pktmp)); 2041 EVP_PKEY_free(pktmp); 2042 } 2043 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2044 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2045 #ifndef OPENSSL_NO_COMP 2046 comp=SSL_get_current_compression(s); 2047 expansion=SSL_get_current_expansion(s); 2048 BIO_printf(bio,"Compression: %s\n", 2049 comp ? SSL_COMP_get_name(comp) : "NONE"); 2050 BIO_printf(bio,"Expansion: %s\n", 2051 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2052 #endif 2053 2054 #ifdef SSL_DEBUG 2055 { 2056 /* Print out local port of connection: useful for debugging */ 2057 int sock; 2058 struct sockaddr_in ladd; 2059 socklen_t ladd_size = sizeof(ladd); 2060 sock = SSL_get_fd(s); 2061 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2062 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2063 } 2064 #endif 2065 2066 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2067 if (next_proto.status != -1) { 2068 const unsigned char *proto; 2069 unsigned int proto_len; 2070 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2071 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2072 BIO_write(bio, proto, proto_len); 2073 BIO_write(bio, "\n", 1); 2074 } 2075 #endif 2076 2077 { 2078 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2079 2080 if(srtp_profile) 2081 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2082 srtp_profile->name); 2083 } 2084 2085 SSL_SESSION_print(bio,SSL_get_session(s)); 2086 if (keymatexportlabel != NULL) 2087 { 2088 BIO_printf(bio, "Keying material exporter:\n"); 2089 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2090 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2091 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2092 if (exportedkeymat != NULL) 2093 { 2094 if (!SSL_export_keying_material(s, exportedkeymat, 2095 keymatexportlen, 2096 keymatexportlabel, 2097 strlen(keymatexportlabel), 2098 NULL, 0, 0)) 2099 { 2100 BIO_printf(bio, " Error\n"); 2101 } 2102 else 2103 { 2104 BIO_printf(bio, " Keying material: "); 2105 for (i=0; i<keymatexportlen; i++) 2106 BIO_printf(bio, "%02X", 2107 exportedkeymat[i]); 2108 BIO_printf(bio, "\n"); 2109 } 2110 OPENSSL_free(exportedkeymat); 2111 } 2112 } 2113 BIO_printf(bio,"---\n"); 2114 if (peer != NULL) 2115 X509_free(peer); 2116 /* flush, or debugging output gets mixed with http response */ 2117 (void)BIO_flush(bio); 2118 } 2119 2120 #ifndef OPENSSL_NO_TLSEXT 2121 2122 static int ocsp_resp_cb(SSL *s, void *arg) 2123 { 2124 const unsigned char *p; 2125 int len; 2126 OCSP_RESPONSE *rsp; 2127 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2128 BIO_puts(arg, "OCSP response: "); 2129 if (!p) 2130 { 2131 BIO_puts(arg, "no response sent\n"); 2132 return 1; 2133 } 2134 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2135 if (!rsp) 2136 { 2137 BIO_puts(arg, "response parse error\n"); 2138 BIO_dump_indent(arg, (char *)p, len, 4); 2139 return 0; 2140 } 2141 BIO_puts(arg, "\n======================================\n"); 2142 OCSP_RESPONSE_print(arg, rsp, 0); 2143 BIO_puts(arg, "======================================\n"); 2144 OCSP_RESPONSE_free(rsp); 2145 return 1; 2146 } 2147 2148 #endif 2149
