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 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 # ifndef OPENSSL_NO_NEXTPROTONEG 361 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 362 # endif 363 #endif 364 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 365 #ifndef OPENSSL_NO_SRTP 366 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 367 #endif 368 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 369 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 370 } 371 372 #ifndef OPENSSL_NO_TLSEXT 373 374 /* This is a context that we pass to callbacks */ 375 typedef struct tlsextctx_st { 376 BIO * biodebug; 377 int ack; 378 } tlsextctx; 379 380 381 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 382 { 383 tlsextctx * p = (tlsextctx *) arg; 384 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 385 if (SSL_get_servername_type(s) != -1) 386 p->ack = !SSL_session_reused(s) && hn != NULL; 387 else 388 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 389 390 return SSL_TLSEXT_ERR_OK; 391 } 392 393 #ifndef OPENSSL_NO_SRP 394 395 /* This is a context that we pass to all callbacks */ 396 typedef struct srp_arg_st 397 { 398 char *srppassin; 399 char *srplogin; 400 int msg; /* copy from c_msg */ 401 int debug; /* copy from c_debug */ 402 int amp; /* allow more groups */ 403 int strength /* minimal size for N */ ; 404 } SRP_ARG; 405 406 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 407 408 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 409 { 410 BN_CTX *bn_ctx = BN_CTX_new(); 411 BIGNUM *p = BN_new(); 412 BIGNUM *r = BN_new(); 413 int ret = 414 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 415 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 416 p != NULL && BN_rshift1(p, N) && 417 418 /* p = (N-1)/2 */ 419 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 420 r != NULL && 421 422 /* verify g^((N-1)/2) == -1 (mod N) */ 423 BN_mod_exp(r, g, p, N, bn_ctx) && 424 BN_add_word(r, 1) && 425 BN_cmp(r, N) == 0; 426 427 if(r) 428 BN_free(r); 429 if(p) 430 BN_free(p); 431 if(bn_ctx) 432 BN_CTX_free(bn_ctx); 433 return ret; 434 } 435 436 /* This callback is used here for two purposes: 437 - extended debugging 438 - making some primality tests for unknown groups 439 The callback is only called for a non default group. 440 441 An application does not need the call back at all if 442 only the stanard groups are used. In real life situations, 443 client and server already share well known groups, 444 thus there is no need to verify them. 445 Furthermore, in case that a server actually proposes a group that 446 is not one of those defined in RFC 5054, it is more appropriate 447 to add the group to a static list and then compare since 448 primality tests are rather cpu consuming. 449 */ 450 451 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 452 { 453 SRP_ARG *srp_arg = (SRP_ARG *)arg; 454 BIGNUM *N = NULL, *g = NULL; 455 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 456 return 0; 457 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 458 { 459 BIO_printf(bio_err, "SRP parameters:\n"); 460 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 461 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 462 BIO_printf(bio_err,"\n"); 463 } 464 465 if (SRP_check_known_gN_param(g,N)) 466 return 1; 467 468 if (srp_arg->amp == 1) 469 { 470 if (srp_arg->debug) 471 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 472 473 /* The srp_moregroups is a real debugging feature. 474 Implementors should rather add the value to the known ones. 475 The minimal size has already been tested. 476 */ 477 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 478 return 1; 479 } 480 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 481 return 0; 482 } 483 484 #define PWD_STRLEN 1024 485 486 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 487 { 488 SRP_ARG *srp_arg = (SRP_ARG *)arg; 489 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 490 PW_CB_DATA cb_tmp; 491 int l; 492 493 cb_tmp.password = (char *)srp_arg->srppassin; 494 cb_tmp.prompt_info = "SRP user"; 495 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 496 { 497 BIO_printf (bio_err, "Can't read Password\n"); 498 OPENSSL_free(pass); 499 return NULL; 500 } 501 *(pass+l)= '\0'; 502 503 return pass; 504 } 505 506 #endif 507 #ifndef OPENSSL_NO_SRTP 508 char *srtp_profiles = NULL; 509 #endif 510 511 # ifndef OPENSSL_NO_NEXTPROTONEG 512 /* This the context that we pass to next_proto_cb */ 513 typedef struct tlsextnextprotoctx_st { 514 unsigned char *data; 515 unsigned short len; 516 int status; 517 } tlsextnextprotoctx; 518 519 static tlsextnextprotoctx next_proto; 520 521 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 522 { 523 tlsextnextprotoctx *ctx = arg; 524 525 if (!c_quiet) 526 { 527 /* We can assume that |in| is syntactically valid. */ 528 unsigned i; 529 BIO_printf(bio_c_out, "Protocols advertised by server: "); 530 for (i = 0; i < inlen; ) 531 { 532 if (i) 533 BIO_write(bio_c_out, ", ", 2); 534 BIO_write(bio_c_out, &in[i + 1], in[i]); 535 i += in[i] + 1; 536 } 537 BIO_write(bio_c_out, "\n", 1); 538 } 539 540 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 541 return SSL_TLSEXT_ERR_OK; 542 } 543 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 544 #endif 545 546 enum 547 { 548 PROTO_OFF = 0, 549 PROTO_SMTP, 550 PROTO_POP3, 551 PROTO_IMAP, 552 PROTO_FTP, 553 PROTO_XMPP 554 }; 555 556 int MAIN(int, char **); 557 558 int MAIN(int argc, char **argv) 559 { 560 unsigned int off=0, clr=0; 561 SSL *con=NULL; 562 #ifndef OPENSSL_NO_KRB5 563 KSSL_CTX *kctx; 564 #endif 565 int s,k,width,state=0; 566 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 567 int cbuf_len,cbuf_off; 568 int sbuf_len,sbuf_off; 569 fd_set readfds,writefds; 570 int fdin, fdout; 571 short port=PORT; 572 int full_log=1; 573 char *host=SSL_HOST_NAME; 574 char *cert_file=NULL,*key_file=NULL; 575 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 576 char *passarg = NULL, *pass = NULL; 577 X509 *cert = NULL; 578 EVP_PKEY *key = NULL; 579 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 580 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 581 int crlf=0; 582 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 583 SSL_CTX *ctx=NULL; 584 int ret=1,in_init=1,i,nbio_test=0; 585 int starttls_proto = PROTO_OFF; 586 int prexit = 0; 587 X509_VERIFY_PARAM *vpm = NULL; 588 int badarg = 0; 589 const SSL_METHOD *meth=NULL; 590 int socket_type=SOCK_STREAM; 591 BIO *sbio; 592 char *inrand=NULL; 593 int mbuf_len=0; 594 struct timeval timeout, *timeoutp; 595 #ifndef OPENSSL_NO_ENGINE 596 char *engine_id=NULL; 597 char *ssl_client_engine_id=NULL; 598 ENGINE *ssl_client_engine=NULL; 599 #endif 600 ENGINE *e=NULL; 601 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 602 struct timeval tv; 603 #if defined(OPENSSL_SYS_BEOS_R5) 604 int stdin_set = 0; 605 #endif 606 #endif 607 #ifndef OPENSSL_NO_TLSEXT 608 char *servername = NULL; 609 tlsextctx tlsextcbp = 610 {NULL,0}; 611 # ifndef OPENSSL_NO_NEXTPROTONEG 612 const char *next_proto_neg_in = NULL; 613 # endif 614 #endif 615 char *sess_in = NULL; 616 char *sess_out = NULL; 617 struct sockaddr peer; 618 int peerlen = sizeof(peer); 619 int enable_timeouts = 0 ; 620 long socket_mtu = 0; 621 #ifndef OPENSSL_NO_JPAKE 622 char *jpake_secret = NULL; 623 #endif 624 #ifndef OPENSSL_NO_SRP 625 char * srppass = NULL; 626 int srp_lateuser = 0; 627 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 628 #endif 629 630 meth=SSLv23_client_method(); 631 632 apps_startup(); 633 c_Pause=0; 634 c_quiet=0; 635 c_ign_eof=0; 636 c_debug=0; 637 c_msg=0; 638 c_showcerts=0; 639 640 if (bio_err == NULL) 641 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 642 643 if (!load_config(bio_err, NULL)) 644 goto end; 645 646 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 647 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 648 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 649 { 650 BIO_printf(bio_err,"out of memory\n"); 651 goto end; 652 } 653 654 verify_depth=0; 655 verify_error=X509_V_OK; 656 #ifdef FIONBIO 657 c_nbio=0; 658 #endif 659 660 argc--; 661 argv++; 662 while (argc >= 1) 663 { 664 if (strcmp(*argv,"-host") == 0) 665 { 666 if (--argc < 1) goto bad; 667 host= *(++argv); 668 } 669 else if (strcmp(*argv,"-port") == 0) 670 { 671 if (--argc < 1) goto bad; 672 port=atoi(*(++argv)); 673 if (port == 0) goto bad; 674 } 675 else if (strcmp(*argv,"-connect") == 0) 676 { 677 if (--argc < 1) goto bad; 678 if (!extract_host_port(*(++argv),&host,NULL,&port)) 679 goto bad; 680 } 681 else if (strcmp(*argv,"-verify") == 0) 682 { 683 verify=SSL_VERIFY_PEER; 684 if (--argc < 1) goto bad; 685 verify_depth=atoi(*(++argv)); 686 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 687 } 688 else if (strcmp(*argv,"-cert") == 0) 689 { 690 if (--argc < 1) goto bad; 691 cert_file= *(++argv); 692 } 693 else if (strcmp(*argv,"-sess_out") == 0) 694 { 695 if (--argc < 1) goto bad; 696 sess_out = *(++argv); 697 } 698 else if (strcmp(*argv,"-sess_in") == 0) 699 { 700 if (--argc < 1) goto bad; 701 sess_in = *(++argv); 702 } 703 else if (strcmp(*argv,"-certform") == 0) 704 { 705 if (--argc < 1) goto bad; 706 cert_format = str2fmt(*(++argv)); 707 } 708 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 709 { 710 if (badarg) 711 goto bad; 712 continue; 713 } 714 else if (strcmp(*argv,"-verify_return_error") == 0) 715 verify_return_error = 1; 716 else if (strcmp(*argv,"-prexit") == 0) 717 prexit=1; 718 else if (strcmp(*argv,"-crlf") == 0) 719 crlf=1; 720 else if (strcmp(*argv,"-quiet") == 0) 721 { 722 c_quiet=1; 723 c_ign_eof=1; 724 } 725 else if (strcmp(*argv,"-ign_eof") == 0) 726 c_ign_eof=1; 727 else if (strcmp(*argv,"-no_ign_eof") == 0) 728 c_ign_eof=0; 729 else if (strcmp(*argv,"-pause") == 0) 730 c_Pause=1; 731 else if (strcmp(*argv,"-debug") == 0) 732 c_debug=1; 733 #ifndef OPENSSL_NO_TLSEXT 734 else if (strcmp(*argv,"-tlsextdebug") == 0) 735 c_tlsextdebug=1; 736 else if (strcmp(*argv,"-status") == 0) 737 c_status_req=1; 738 #endif 739 #ifdef WATT32 740 else if (strcmp(*argv,"-wdebug") == 0) 741 dbug_init(); 742 #endif 743 else if (strcmp(*argv,"-msg") == 0) 744 c_msg=1; 745 else if (strcmp(*argv,"-showcerts") == 0) 746 c_showcerts=1; 747 else if (strcmp(*argv,"-nbio_test") == 0) 748 nbio_test=1; 749 else if (strcmp(*argv,"-state") == 0) 750 state=1; 751 #ifndef OPENSSL_NO_PSK 752 else if (strcmp(*argv,"-psk_identity") == 0) 753 { 754 if (--argc < 1) goto bad; 755 psk_identity=*(++argv); 756 } 757 else if (strcmp(*argv,"-psk") == 0) 758 { 759 size_t j; 760 761 if (--argc < 1) goto bad; 762 psk_key=*(++argv); 763 for (j = 0; j < strlen(psk_key); j++) 764 { 765 if (isxdigit((unsigned char)psk_key[j])) 766 continue; 767 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 768 goto bad; 769 } 770 } 771 #endif 772 #ifndef OPENSSL_NO_SRP 773 else if (strcmp(*argv,"-srpuser") == 0) 774 { 775 if (--argc < 1) goto bad; 776 srp_arg.srplogin= *(++argv); 777 meth=TLSv1_client_method(); 778 } 779 else if (strcmp(*argv,"-srppass") == 0) 780 { 781 if (--argc < 1) goto bad; 782 srppass= *(++argv); 783 meth=TLSv1_client_method(); 784 } 785 else if (strcmp(*argv,"-srp_strength") == 0) 786 { 787 if (--argc < 1) goto bad; 788 srp_arg.strength=atoi(*(++argv)); 789 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 790 meth=TLSv1_client_method(); 791 } 792 else if (strcmp(*argv,"-srp_lateuser") == 0) 793 { 794 srp_lateuser= 1; 795 meth=TLSv1_client_method(); 796 } 797 else if (strcmp(*argv,"-srp_moregroups") == 0) 798 { 799 srp_arg.amp=1; 800 meth=TLSv1_client_method(); 801 } 802 #endif 803 #ifndef OPENSSL_NO_SSL2 804 else if (strcmp(*argv,"-ssl2") == 0) 805 meth=SSLv2_client_method(); 806 #endif 807 #ifndef OPENSSL_NO_SSL3 808 else if (strcmp(*argv,"-ssl3") == 0) 809 meth=SSLv3_client_method(); 810 #endif 811 #ifndef OPENSSL_NO_TLS1 812 else if (strcmp(*argv,"-tls1_2") == 0) 813 meth=TLSv1_2_client_method(); 814 else if (strcmp(*argv,"-tls1_1") == 0) 815 meth=TLSv1_1_client_method(); 816 else if (strcmp(*argv,"-tls1") == 0) 817 meth=TLSv1_client_method(); 818 #endif 819 #ifndef OPENSSL_NO_DTLS1 820 else if (strcmp(*argv,"-dtls1") == 0) 821 { 822 meth=DTLSv1_client_method(); 823 socket_type=SOCK_DGRAM; 824 } 825 else if (strcmp(*argv,"-timeout") == 0) 826 enable_timeouts=1; 827 else if (strcmp(*argv,"-mtu") == 0) 828 { 829 if (--argc < 1) goto bad; 830 socket_mtu = atol(*(++argv)); 831 } 832 #endif 833 else if (strcmp(*argv,"-bugs") == 0) 834 bugs=1; 835 else if (strcmp(*argv,"-keyform") == 0) 836 { 837 if (--argc < 1) goto bad; 838 key_format = str2fmt(*(++argv)); 839 } 840 else if (strcmp(*argv,"-pass") == 0) 841 { 842 if (--argc < 1) goto bad; 843 passarg = *(++argv); 844 } 845 else if (strcmp(*argv,"-key") == 0) 846 { 847 if (--argc < 1) goto bad; 848 key_file= *(++argv); 849 } 850 else if (strcmp(*argv,"-reconnect") == 0) 851 { 852 reconnect=5; 853 } 854 else if (strcmp(*argv,"-CApath") == 0) 855 { 856 if (--argc < 1) goto bad; 857 CApath= *(++argv); 858 } 859 else if (strcmp(*argv,"-CAfile") == 0) 860 { 861 if (--argc < 1) goto bad; 862 CAfile= *(++argv); 863 } 864 else if (strcmp(*argv,"-no_tls1_2") == 0) 865 off|=SSL_OP_NO_TLSv1_2; 866 else if (strcmp(*argv,"-no_tls1_1") == 0) 867 off|=SSL_OP_NO_TLSv1_1; 868 else if (strcmp(*argv,"-no_tls1") == 0) 869 off|=SSL_OP_NO_TLSv1; 870 else if (strcmp(*argv,"-no_ssl3") == 0) 871 off|=SSL_OP_NO_SSLv3; 872 else if (strcmp(*argv,"-no_ssl2") == 0) 873 off|=SSL_OP_NO_SSLv2; 874 else if (strcmp(*argv,"-no_comp") == 0) 875 { off|=SSL_OP_NO_COMPRESSION; } 876 #ifndef OPENSSL_NO_TLSEXT 877 else if (strcmp(*argv,"-no_ticket") == 0) 878 { off|=SSL_OP_NO_TICKET; } 879 # ifndef OPENSSL_NO_NEXTPROTONEG 880 else if (strcmp(*argv,"-nextprotoneg") == 0) 881 { 882 if (--argc < 1) goto bad; 883 next_proto_neg_in = *(++argv); 884 } 885 # endif 886 #endif 887 else if (strcmp(*argv,"-serverpref") == 0) 888 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 889 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 890 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 891 else if (strcmp(*argv,"-legacy_server_connect") == 0) 892 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 893 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 894 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 895 else if (strcmp(*argv,"-cipher") == 0) 896 { 897 if (--argc < 1) goto bad; 898 cipher= *(++argv); 899 } 900 #ifdef FIONBIO 901 else if (strcmp(*argv,"-nbio") == 0) 902 { c_nbio=1; } 903 #endif 904 else if (strcmp(*argv,"-starttls") == 0) 905 { 906 if (--argc < 1) goto bad; 907 ++argv; 908 if (strcmp(*argv,"smtp") == 0) 909 starttls_proto = PROTO_SMTP; 910 else if (strcmp(*argv,"pop3") == 0) 911 starttls_proto = PROTO_POP3; 912 else if (strcmp(*argv,"imap") == 0) 913 starttls_proto = PROTO_IMAP; 914 else if (strcmp(*argv,"ftp") == 0) 915 starttls_proto = PROTO_FTP; 916 else if (strcmp(*argv, "xmpp") == 0) 917 starttls_proto = PROTO_XMPP; 918 else 919 goto bad; 920 } 921 #ifndef OPENSSL_NO_ENGINE 922 else if (strcmp(*argv,"-engine") == 0) 923 { 924 if (--argc < 1) goto bad; 925 engine_id = *(++argv); 926 } 927 else if (strcmp(*argv,"-ssl_client_engine") == 0) 928 { 929 if (--argc < 1) goto bad; 930 ssl_client_engine_id = *(++argv); 931 } 932 #endif 933 else if (strcmp(*argv,"-rand") == 0) 934 { 935 if (--argc < 1) goto bad; 936 inrand= *(++argv); 937 } 938 #ifndef OPENSSL_NO_TLSEXT 939 else if (strcmp(*argv,"-servername") == 0) 940 { 941 if (--argc < 1) goto bad; 942 servername= *(++argv); 943 /* meth=TLSv1_client_method(); */ 944 } 945 #endif 946 #ifndef OPENSSL_NO_JPAKE 947 else if (strcmp(*argv,"-jpake") == 0) 948 { 949 if (--argc < 1) goto bad; 950 jpake_secret = *++argv; 951 } 952 #endif 953 #ifndef OPENSSL_NO_SRTP 954 else if (strcmp(*argv,"-use_srtp") == 0) 955 { 956 if (--argc < 1) goto bad; 957 srtp_profiles = *(++argv); 958 } 959 #endif 960 else if (strcmp(*argv,"-keymatexport") == 0) 961 { 962 if (--argc < 1) goto bad; 963 keymatexportlabel= *(++argv); 964 } 965 else if (strcmp(*argv,"-keymatexportlen") == 0) 966 { 967 if (--argc < 1) goto bad; 968 keymatexportlen=atoi(*(++argv)); 969 if (keymatexportlen == 0) goto bad; 970 } 971 else 972 { 973 BIO_printf(bio_err,"unknown option %s\n",*argv); 974 badop=1; 975 break; 976 } 977 argc--; 978 argv++; 979 } 980 if (badop) 981 { 982 bad: 983 sc_usage(); 984 goto end; 985 } 986 987 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 988 if (jpake_secret) 989 { 990 if (psk_key) 991 { 992 BIO_printf(bio_err, 993 "Can't use JPAKE and PSK together\n"); 994 goto end; 995 } 996 psk_identity = "JPAKE"; 997 if (cipher) 998 { 999 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1000 goto end; 1001 } 1002 cipher = "PSK"; 1003 } 1004 #endif 1005 1006 OpenSSL_add_ssl_algorithms(); 1007 SSL_load_error_strings(); 1008 1009 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1010 next_proto.status = -1; 1011 if (next_proto_neg_in) 1012 { 1013 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1014 if (next_proto.data == NULL) 1015 { 1016 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1017 goto end; 1018 } 1019 } 1020 else 1021 next_proto.data = NULL; 1022 #endif 1023 1024 #ifndef OPENSSL_NO_ENGINE 1025 e = setup_engine(bio_err, engine_id, 1); 1026 if (ssl_client_engine_id) 1027 { 1028 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1029 if (!ssl_client_engine) 1030 { 1031 BIO_printf(bio_err, 1032 "Error getting client auth engine\n"); 1033 goto end; 1034 } 1035 } 1036 1037 #endif 1038 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1039 { 1040 BIO_printf(bio_err, "Error getting password\n"); 1041 goto end; 1042 } 1043 1044 if (key_file == NULL) 1045 key_file = cert_file; 1046 1047 1048 if (key_file) 1049 1050 { 1051 1052 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1053 "client certificate private key file"); 1054 if (!key) 1055 { 1056 ERR_print_errors(bio_err); 1057 goto end; 1058 } 1059 1060 } 1061 1062 if (cert_file) 1063 1064 { 1065 cert = load_cert(bio_err,cert_file,cert_format, 1066 NULL, e, "client certificate file"); 1067 1068 if (!cert) 1069 { 1070 ERR_print_errors(bio_err); 1071 goto end; 1072 } 1073 } 1074 1075 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1076 && !RAND_status()) 1077 { 1078 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1079 } 1080 if (inrand != NULL) 1081 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1082 app_RAND_load_files(inrand)); 1083 1084 if (bio_c_out == NULL) 1085 { 1086 if (c_quiet && !c_debug && !c_msg) 1087 { 1088 bio_c_out=BIO_new(BIO_s_null()); 1089 } 1090 else 1091 { 1092 if (bio_c_out == NULL) 1093 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1094 } 1095 } 1096 1097 #ifndef OPENSSL_NO_SRP 1098 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1099 { 1100 BIO_printf(bio_err, "Error getting password\n"); 1101 goto end; 1102 } 1103 #endif 1104 1105 ctx=SSL_CTX_new(meth); 1106 if (ctx == NULL) 1107 { 1108 ERR_print_errors(bio_err); 1109 goto end; 1110 } 1111 1112 if (vpm) 1113 SSL_CTX_set1_param(ctx, vpm); 1114 1115 #ifndef OPENSSL_NO_ENGINE 1116 if (ssl_client_engine) 1117 { 1118 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1119 { 1120 BIO_puts(bio_err, "Error setting client auth engine\n"); 1121 ERR_print_errors(bio_err); 1122 ENGINE_free(ssl_client_engine); 1123 goto end; 1124 } 1125 ENGINE_free(ssl_client_engine); 1126 } 1127 #endif 1128 1129 #ifndef OPENSSL_NO_PSK 1130 #ifdef OPENSSL_NO_JPAKE 1131 if (psk_key != NULL) 1132 #else 1133 if (psk_key != NULL || jpake_secret) 1134 #endif 1135 { 1136 if (c_debug) 1137 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1138 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1139 } 1140 #endif 1141 #ifndef OPENSSL_NO_SRTP 1142 if (srtp_profiles != NULL) 1143 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1144 #endif 1145 if (bugs) 1146 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1147 else 1148 SSL_CTX_set_options(ctx,off); 1149 1150 if (clr) 1151 SSL_CTX_clear_options(ctx, clr); 1152 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1153 * Setting read ahead solves this problem. 1154 */ 1155 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1156 1157 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1158 if (next_proto.data) 1159 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1160 #endif 1161 1162 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1163 if (cipher != NULL) 1164 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1165 BIO_printf(bio_err,"error setting cipher list\n"); 1166 ERR_print_errors(bio_err); 1167 goto end; 1168 } 1169 #if 0 1170 else 1171 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1172 #endif 1173 1174 SSL_CTX_set_verify(ctx,verify,verify_callback); 1175 if (!set_cert_key_stuff(ctx,cert,key)) 1176 goto end; 1177 1178 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1179 (!SSL_CTX_set_default_verify_paths(ctx))) 1180 { 1181 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1182 ERR_print_errors(bio_err); 1183 /* goto end; */ 1184 } 1185 1186 #ifndef OPENSSL_NO_TLSEXT 1187 if (servername != NULL) 1188 { 1189 tlsextcbp.biodebug = bio_err; 1190 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1191 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1192 } 1193 #ifndef OPENSSL_NO_SRP 1194 if (srp_arg.srplogin) 1195 { 1196 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1197 { 1198 BIO_printf(bio_err,"Unable to set SRP username\n"); 1199 goto end; 1200 } 1201 srp_arg.msg = c_msg; 1202 srp_arg.debug = c_debug ; 1203 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1204 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1205 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1206 if (c_msg || c_debug || srp_arg.amp == 0) 1207 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1208 } 1209 1210 #endif 1211 #endif 1212 1213 con=SSL_new(ctx); 1214 if (sess_in) 1215 { 1216 SSL_SESSION *sess; 1217 BIO *stmp = BIO_new_file(sess_in, "r"); 1218 if (!stmp) 1219 { 1220 BIO_printf(bio_err, "Can't open session file %s\n", 1221 sess_in); 1222 ERR_print_errors(bio_err); 1223 goto end; 1224 } 1225 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1226 BIO_free(stmp); 1227 if (!sess) 1228 { 1229 BIO_printf(bio_err, "Can't open session file %s\n", 1230 sess_in); 1231 ERR_print_errors(bio_err); 1232 goto end; 1233 } 1234 SSL_set_session(con, sess); 1235 SSL_SESSION_free(sess); 1236 } 1237 #ifndef OPENSSL_NO_TLSEXT 1238 if (servername != NULL) 1239 { 1240 if (!SSL_set_tlsext_host_name(con,servername)) 1241 { 1242 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1243 ERR_print_errors(bio_err); 1244 goto end; 1245 } 1246 } 1247 #endif 1248 #ifndef OPENSSL_NO_KRB5 1249 if (con && (kctx = kssl_ctx_new()) != NULL) 1250 { 1251 SSL_set0_kssl_ctx(con, kctx); 1252 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1253 } 1254 #endif /* OPENSSL_NO_KRB5 */ 1255 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1256 #if 0 1257 #ifdef TLSEXT_TYPE_opaque_prf_input 1258 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1259 #endif 1260 #endif 1261 1262 re_start: 1263 1264 if (init_client(&s,host,port,socket_type) == 0) 1265 { 1266 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1267 SHUTDOWN(s); 1268 goto end; 1269 } 1270 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1271 1272 #ifdef FIONBIO 1273 if (c_nbio) 1274 { 1275 unsigned long l=1; 1276 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1277 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1278 { 1279 ERR_print_errors(bio_err); 1280 goto end; 1281 } 1282 } 1283 #endif 1284 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1285 1286 if ( SSL_version(con) == DTLS1_VERSION) 1287 { 1288 1289 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1290 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1291 { 1292 BIO_printf(bio_err, "getsockname:errno=%d\n", 1293 get_last_socket_error()); 1294 SHUTDOWN(s); 1295 goto end; 1296 } 1297 1298 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1299 1300 if (enable_timeouts) 1301 { 1302 timeout.tv_sec = 0; 1303 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1304 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1305 1306 timeout.tv_sec = 0; 1307 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1308 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1309 } 1310 1311 if (socket_mtu > 28) 1312 { 1313 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1314 SSL_set_mtu(con, socket_mtu - 28); 1315 } 1316 else 1317 /* want to do MTU discovery */ 1318 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1319 } 1320 else 1321 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1322 1323 if (nbio_test) 1324 { 1325 BIO *test; 1326 1327 test=BIO_new(BIO_f_nbio_test()); 1328 sbio=BIO_push(test,sbio); 1329 } 1330 1331 if (c_debug) 1332 { 1333 SSL_set_debug(con, 1); 1334 BIO_set_callback(sbio,bio_dump_callback); 1335 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1336 } 1337 if (c_msg) 1338 { 1339 SSL_set_msg_callback(con, msg_cb); 1340 SSL_set_msg_callback_arg(con, bio_c_out); 1341 } 1342 #ifndef OPENSSL_NO_TLSEXT 1343 if (c_tlsextdebug) 1344 { 1345 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1346 SSL_set_tlsext_debug_arg(con, bio_c_out); 1347 } 1348 if (c_status_req) 1349 { 1350 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1351 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1352 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1353 #if 0 1354 { 1355 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1356 OCSP_RESPID *id = OCSP_RESPID_new(); 1357 id->value.byKey = ASN1_OCTET_STRING_new(); 1358 id->type = V_OCSP_RESPID_KEY; 1359 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1360 sk_OCSP_RESPID_push(ids, id); 1361 SSL_set_tlsext_status_ids(con, ids); 1362 } 1363 #endif 1364 } 1365 #endif 1366 #ifndef OPENSSL_NO_JPAKE 1367 if (jpake_secret) 1368 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1369 #endif 1370 1371 SSL_set_bio(con,sbio,sbio); 1372 SSL_set_connect_state(con); 1373 1374 /* ok, lets connect */ 1375 width=SSL_get_fd(con)+1; 1376 1377 read_tty=1; 1378 write_tty=0; 1379 tty_on=0; 1380 read_ssl=1; 1381 write_ssl=1; 1382 1383 cbuf_len=0; 1384 cbuf_off=0; 1385 sbuf_len=0; 1386 sbuf_off=0; 1387 1388 /* This is an ugly hack that does a lot of assumptions */ 1389 /* We do have to handle multi-line responses which may come 1390 in a single packet or not. We therefore have to use 1391 BIO_gets() which does need a buffering BIO. So during 1392 the initial chitchat we do push a buffering BIO into the 1393 chain that is removed again later on to not disturb the 1394 rest of the s_client operation. */ 1395 if (starttls_proto == PROTO_SMTP) 1396 { 1397 int foundit=0; 1398 BIO *fbio = BIO_new(BIO_f_buffer()); 1399 BIO_push(fbio, sbio); 1400 /* wait for multi-line response to end from SMTP */ 1401 do 1402 { 1403 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1404 } 1405 while (mbuf_len>3 && mbuf[3]=='-'); 1406 /* STARTTLS command requires EHLO... */ 1407 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1408 (void)BIO_flush(fbio); 1409 /* wait for multi-line response to end EHLO SMTP response */ 1410 do 1411 { 1412 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1413 if (strstr(mbuf,"STARTTLS")) 1414 foundit=1; 1415 } 1416 while (mbuf_len>3 && mbuf[3]=='-'); 1417 (void)BIO_flush(fbio); 1418 BIO_pop(fbio); 1419 BIO_free(fbio); 1420 if (!foundit) 1421 BIO_printf(bio_err, 1422 "didn't found starttls in server response," 1423 " try anyway...\n"); 1424 BIO_printf(sbio,"STARTTLS\r\n"); 1425 BIO_read(sbio,sbuf,BUFSIZZ); 1426 } 1427 else if (starttls_proto == PROTO_POP3) 1428 { 1429 BIO_read(sbio,mbuf,BUFSIZZ); 1430 BIO_printf(sbio,"STLS\r\n"); 1431 BIO_read(sbio,sbuf,BUFSIZZ); 1432 } 1433 else if (starttls_proto == PROTO_IMAP) 1434 { 1435 int foundit=0; 1436 BIO *fbio = BIO_new(BIO_f_buffer()); 1437 BIO_push(fbio, sbio); 1438 BIO_gets(fbio,mbuf,BUFSIZZ); 1439 /* STARTTLS command requires CAPABILITY... */ 1440 BIO_printf(fbio,". CAPABILITY\r\n"); 1441 (void)BIO_flush(fbio); 1442 /* wait for multi-line CAPABILITY response */ 1443 do 1444 { 1445 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1446 if (strstr(mbuf,"STARTTLS")) 1447 foundit=1; 1448 } 1449 while (mbuf_len>3 && mbuf[0]!='.'); 1450 (void)BIO_flush(fbio); 1451 BIO_pop(fbio); 1452 BIO_free(fbio); 1453 if (!foundit) 1454 BIO_printf(bio_err, 1455 "didn't found STARTTLS in server response," 1456 " try anyway...\n"); 1457 BIO_printf(sbio,". STARTTLS\r\n"); 1458 BIO_read(sbio,sbuf,BUFSIZZ); 1459 } 1460 else if (starttls_proto == PROTO_FTP) 1461 { 1462 BIO *fbio = BIO_new(BIO_f_buffer()); 1463 BIO_push(fbio, sbio); 1464 /* wait for multi-line response to end from FTP */ 1465 do 1466 { 1467 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1468 } 1469 while (mbuf_len>3 && mbuf[3]=='-'); 1470 (void)BIO_flush(fbio); 1471 BIO_pop(fbio); 1472 BIO_free(fbio); 1473 BIO_printf(sbio,"AUTH TLS\r\n"); 1474 BIO_read(sbio,sbuf,BUFSIZZ); 1475 } 1476 if (starttls_proto == PROTO_XMPP) 1477 { 1478 int seen = 0; 1479 BIO_printf(sbio,"<stream:stream " 1480 "xmlns:stream='http://etherx.jabber.org/streams' " 1481 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1482 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1483 mbuf[seen] = 0; 1484 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1485 { 1486 if (strstr(mbuf, "/stream:features>")) 1487 goto shut; 1488 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1489 mbuf[seen] = 0; 1490 } 1491 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1492 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1493 sbuf[seen] = 0; 1494 if (!strstr(sbuf, "<proceed")) 1495 goto shut; 1496 mbuf[0] = 0; 1497 } 1498 1499 for (;;) 1500 { 1501 FD_ZERO(&readfds); 1502 FD_ZERO(&writefds); 1503 fdin = fileno(stdin); 1504 if (fdin < 0) 1505 { 1506 BIO_printf(bio_err,"bad fileno for stdin\n"); 1507 goto shut; 1508 } 1509 fdout = fileno(stdout); 1510 if (fdout < 0) 1511 { 1512 BIO_printf(bio_err,"bad fileno for stdout\n"); 1513 goto shut; 1514 } 1515 1516 if ((SSL_version(con) == DTLS1_VERSION) && 1517 DTLSv1_get_timeout(con, &timeout)) 1518 timeoutp = &timeout; 1519 else 1520 timeoutp = NULL; 1521 1522 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1523 { 1524 in_init=1; 1525 tty_on=0; 1526 } 1527 else 1528 { 1529 tty_on=1; 1530 if (in_init) 1531 { 1532 in_init=0; 1533 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1534 #ifndef OPENSSL_NO_TLSEXT 1535 if (servername != NULL && !SSL_session_reused(con)) 1536 { 1537 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1538 } 1539 #endif 1540 #endif 1541 if (sess_out) 1542 { 1543 BIO *stmp = BIO_new_file(sess_out, "w"); 1544 if (stmp) 1545 { 1546 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1547 BIO_free(stmp); 1548 } 1549 else 1550 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1551 } 1552 print_stuff(bio_c_out,con,full_log); 1553 if (full_log > 0) full_log--; 1554 1555 if (starttls_proto) 1556 { 1557 BIO_printf(bio_err,"%s",mbuf); 1558 /* We don't need to know any more */ 1559 starttls_proto = PROTO_OFF; 1560 } 1561 1562 if (reconnect) 1563 { 1564 reconnect--; 1565 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1566 SSL_shutdown(con); 1567 SSL_set_connect_state(con); 1568 SHUTDOWN(SSL_get_fd(con)); 1569 goto re_start; 1570 } 1571 } 1572 } 1573 1574 ssl_pending = read_ssl && SSL_pending(con); 1575 1576 if (!ssl_pending) 1577 { 1578 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1579 if (tty_on) 1580 { 1581 if (read_tty) openssl_fdset(fdin,&readfds); 1582 if (write_tty) openssl_fdset(fdout,&writefds); 1583 } 1584 if (read_ssl) 1585 openssl_fdset(SSL_get_fd(con),&readfds); 1586 if (write_ssl) 1587 openssl_fdset(SSL_get_fd(con),&writefds); 1588 #else 1589 if(!tty_on || !write_tty) { 1590 if (read_ssl) 1591 openssl_fdset(SSL_get_fd(con),&readfds); 1592 if (write_ssl) 1593 openssl_fdset(SSL_get_fd(con),&writefds); 1594 } 1595 #endif 1596 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1597 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1598 1599 /* Note: under VMS with SOCKETSHR the second parameter 1600 * is currently of type (int *) whereas under other 1601 * systems it is (void *) if you don't have a cast it 1602 * will choke the compiler: if you do have a cast then 1603 * you can either go for (int *) or (void *). 1604 */ 1605 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1606 /* Under Windows/DOS we make the assumption that we can 1607 * always write to the tty: therefore if we need to 1608 * write to the tty we just fall through. Otherwise 1609 * we timeout the select every second and see if there 1610 * are any keypresses. Note: this is a hack, in a proper 1611 * Windows application we wouldn't do this. 1612 */ 1613 i=0; 1614 if(!write_tty) { 1615 if(read_tty) { 1616 tv.tv_sec = 1; 1617 tv.tv_usec = 0; 1618 i=select(width,(void *)&readfds,(void *)&writefds, 1619 NULL,&tv); 1620 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1621 if(!i && (!_kbhit() || !read_tty) ) continue; 1622 #else 1623 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1624 #endif 1625 } else i=select(width,(void *)&readfds,(void *)&writefds, 1626 NULL,timeoutp); 1627 } 1628 #elif defined(OPENSSL_SYS_NETWARE) 1629 if(!write_tty) { 1630 if(read_tty) { 1631 tv.tv_sec = 1; 1632 tv.tv_usec = 0; 1633 i=select(width,(void *)&readfds,(void *)&writefds, 1634 NULL,&tv); 1635 } else i=select(width,(void *)&readfds,(void *)&writefds, 1636 NULL,timeoutp); 1637 } 1638 #elif defined(OPENSSL_SYS_BEOS_R5) 1639 /* Under BeOS-R5 the situation is similar to DOS */ 1640 i=0; 1641 stdin_set = 0; 1642 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 1643 if(!write_tty) { 1644 if(read_tty) { 1645 tv.tv_sec = 1; 1646 tv.tv_usec = 0; 1647 i=select(width,(void *)&readfds,(void *)&writefds, 1648 NULL,&tv); 1649 if (read(fdin, sbuf, 0) >= 0) 1650 stdin_set = 1; 1651 if (!i && (stdin_set != 1 || !read_tty)) 1652 continue; 1653 } else i=select(width,(void *)&readfds,(void *)&writefds, 1654 NULL,timeoutp); 1655 } 1656 (void)fcntl(fdin, F_SETFL, 0); 1657 #else 1658 i=select(width,(void *)&readfds,(void *)&writefds, 1659 NULL,timeoutp); 1660 #endif 1661 if ( i < 0) 1662 { 1663 BIO_printf(bio_err,"bad select %d\n", 1664 get_last_socket_error()); 1665 goto shut; 1666 /* goto end; */ 1667 } 1668 } 1669 1670 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1671 { 1672 BIO_printf(bio_err,"TIMEOUT occured\n"); 1673 } 1674 1675 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1676 { 1677 k=SSL_write(con,&(cbuf[cbuf_off]), 1678 (unsigned int)cbuf_len); 1679 switch (SSL_get_error(con,k)) 1680 { 1681 case SSL_ERROR_NONE: 1682 cbuf_off+=k; 1683 cbuf_len-=k; 1684 if (k <= 0) goto end; 1685 /* we have done a write(con,NULL,0); */ 1686 if (cbuf_len <= 0) 1687 { 1688 read_tty=1; 1689 write_ssl=0; 1690 } 1691 else /* if (cbuf_len > 0) */ 1692 { 1693 read_tty=0; 1694 write_ssl=1; 1695 } 1696 break; 1697 case SSL_ERROR_WANT_WRITE: 1698 BIO_printf(bio_c_out,"write W BLOCK\n"); 1699 write_ssl=1; 1700 read_tty=0; 1701 break; 1702 case SSL_ERROR_WANT_READ: 1703 BIO_printf(bio_c_out,"write R BLOCK\n"); 1704 write_tty=0; 1705 read_ssl=1; 1706 write_ssl=0; 1707 break; 1708 case SSL_ERROR_WANT_X509_LOOKUP: 1709 BIO_printf(bio_c_out,"write X BLOCK\n"); 1710 break; 1711 case SSL_ERROR_ZERO_RETURN: 1712 if (cbuf_len != 0) 1713 { 1714 BIO_printf(bio_c_out,"shutdown\n"); 1715 ret = 0; 1716 goto shut; 1717 } 1718 else 1719 { 1720 read_tty=1; 1721 write_ssl=0; 1722 break; 1723 } 1724 1725 case SSL_ERROR_SYSCALL: 1726 if ((k != 0) || (cbuf_len != 0)) 1727 { 1728 BIO_printf(bio_err,"write:errno=%d\n", 1729 get_last_socket_error()); 1730 goto shut; 1731 } 1732 else 1733 { 1734 read_tty=1; 1735 write_ssl=0; 1736 } 1737 break; 1738 case SSL_ERROR_SSL: 1739 ERR_print_errors(bio_err); 1740 goto shut; 1741 } 1742 } 1743 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1744 /* Assume Windows/DOS/BeOS can always write */ 1745 else if (!ssl_pending && write_tty) 1746 #else 1747 else if (!ssl_pending && FD_ISSET(fdout,&writefds)) 1748 #endif 1749 { 1750 #ifdef CHARSET_EBCDIC 1751 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1752 #endif 1753 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1754 1755 if (i <= 0) 1756 { 1757 BIO_printf(bio_c_out,"DONE\n"); 1758 ret = 0; 1759 goto shut; 1760 /* goto end; */ 1761 } 1762 1763 sbuf_len-=i;; 1764 sbuf_off+=i; 1765 if (sbuf_len <= 0) 1766 { 1767 read_ssl=1; 1768 write_tty=0; 1769 } 1770 } 1771 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1772 { 1773 #ifdef RENEG 1774 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1775 #endif 1776 #if 1 1777 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1778 #else 1779 /* Demo for pending and peek :-) */ 1780 k=SSL_read(con,sbuf,16); 1781 { char zbuf[10240]; 1782 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1783 } 1784 #endif 1785 1786 switch (SSL_get_error(con,k)) 1787 { 1788 case SSL_ERROR_NONE: 1789 if (k <= 0) 1790 goto end; 1791 sbuf_off=0; 1792 sbuf_len=k; 1793 1794 read_ssl=0; 1795 write_tty=1; 1796 break; 1797 case SSL_ERROR_WANT_WRITE: 1798 BIO_printf(bio_c_out,"read W BLOCK\n"); 1799 write_ssl=1; 1800 read_tty=0; 1801 break; 1802 case SSL_ERROR_WANT_READ: 1803 BIO_printf(bio_c_out,"read R BLOCK\n"); 1804 write_tty=0; 1805 read_ssl=1; 1806 if ((read_tty == 0) && (write_ssl == 0)) 1807 write_ssl=1; 1808 break; 1809 case SSL_ERROR_WANT_X509_LOOKUP: 1810 BIO_printf(bio_c_out,"read X BLOCK\n"); 1811 break; 1812 case SSL_ERROR_SYSCALL: 1813 ret=get_last_socket_error(); 1814 BIO_printf(bio_err,"read:errno=%d\n",ret); 1815 goto shut; 1816 case SSL_ERROR_ZERO_RETURN: 1817 BIO_printf(bio_c_out,"closed\n"); 1818 ret=0; 1819 goto shut; 1820 case SSL_ERROR_SSL: 1821 ERR_print_errors(bio_err); 1822 goto shut; 1823 /* break; */ 1824 } 1825 } 1826 1827 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1828 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1829 else if (_kbhit()) 1830 #else 1831 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1832 #endif 1833 #elif defined (OPENSSL_SYS_NETWARE) 1834 else if (_kbhit()) 1835 #elif defined(OPENSSL_SYS_BEOS_R5) 1836 else if (stdin_set) 1837 #else 1838 else if (FD_ISSET(fdin,&readfds)) 1839 #endif 1840 { 1841 if (crlf) 1842 { 1843 int j, lf_num; 1844 1845 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1846 lf_num = 0; 1847 /* both loops are skipped when i <= 0 */ 1848 for (j = 0; j < i; j++) 1849 if (cbuf[j] == '\n') 1850 lf_num++; 1851 for (j = i-1; j >= 0; j--) 1852 { 1853 cbuf[j+lf_num] = cbuf[j]; 1854 if (cbuf[j] == '\n') 1855 { 1856 lf_num--; 1857 i++; 1858 cbuf[j+lf_num] = '\r'; 1859 } 1860 } 1861 assert(lf_num == 0); 1862 } 1863 else 1864 i=raw_read_stdin(cbuf,BUFSIZZ); 1865 1866 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1867 { 1868 BIO_printf(bio_err,"DONE\n"); 1869 ret=0; 1870 goto shut; 1871 } 1872 1873 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1874 { 1875 BIO_printf(bio_err,"RENEGOTIATING\n"); 1876 SSL_renegotiate(con); 1877 cbuf_len=0; 1878 } 1879 #ifndef OPENSSL_NO_HEARTBEATS 1880 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1881 { 1882 BIO_printf(bio_err,"HEARTBEATING\n"); 1883 SSL_heartbeat(con); 1884 cbuf_len=0; 1885 } 1886 #endif 1887 else 1888 { 1889 cbuf_len=i; 1890 cbuf_off=0; 1891 #ifdef CHARSET_EBCDIC 1892 ebcdic2ascii(cbuf, cbuf, i); 1893 #endif 1894 } 1895 1896 write_ssl=1; 1897 read_tty=0; 1898 } 1899 } 1900 1901 ret=0; 1902 shut: 1903 if (in_init) 1904 print_stuff(bio_c_out,con,full_log); 1905 SSL_shutdown(con); 1906 SHUTDOWN(SSL_get_fd(con)); 1907 end: 1908 if (con != NULL) 1909 { 1910 if (prexit != 0) 1911 print_stuff(bio_c_out,con,1); 1912 SSL_free(con); 1913 } 1914 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1915 if (next_proto.data) 1916 OPENSSL_free(next_proto.data); 1917 #endif 1918 if (ctx != NULL) SSL_CTX_free(ctx); 1919 if (cert) 1920 X509_free(cert); 1921 if (key) 1922 EVP_PKEY_free(key); 1923 if (pass) 1924 OPENSSL_free(pass); 1925 if (vpm) 1926 X509_VERIFY_PARAM_free(vpm); 1927 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1928 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1929 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1930 if (bio_c_out != NULL) 1931 { 1932 BIO_free(bio_c_out); 1933 bio_c_out=NULL; 1934 } 1935 apps_shutdown(); 1936 OPENSSL_EXIT(ret); 1937 } 1938 1939 1940 static void print_stuff(BIO *bio, SSL *s, int full) 1941 { 1942 X509 *peer=NULL; 1943 char *p; 1944 static const char *space=" "; 1945 char buf[BUFSIZ]; 1946 STACK_OF(X509) *sk; 1947 STACK_OF(X509_NAME) *sk2; 1948 const SSL_CIPHER *c; 1949 X509_NAME *xn; 1950 int j,i; 1951 #ifndef OPENSSL_NO_COMP 1952 const COMP_METHOD *comp, *expansion; 1953 #endif 1954 unsigned char *exportedkeymat; 1955 1956 if (full) 1957 { 1958 int got_a_chain = 0; 1959 1960 sk=SSL_get_peer_cert_chain(s); 1961 if (sk != NULL) 1962 { 1963 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1964 1965 BIO_printf(bio,"---\nCertificate chain\n"); 1966 for (i=0; i<sk_X509_num(sk); i++) 1967 { 1968 X509_NAME_oneline(X509_get_subject_name( 1969 sk_X509_value(sk,i)),buf,sizeof buf); 1970 BIO_printf(bio,"%2d s:%s\n",i,buf); 1971 X509_NAME_oneline(X509_get_issuer_name( 1972 sk_X509_value(sk,i)),buf,sizeof buf); 1973 BIO_printf(bio," i:%s\n",buf); 1974 if (c_showcerts) 1975 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1976 } 1977 } 1978 1979 BIO_printf(bio,"---\n"); 1980 peer=SSL_get_peer_certificate(s); 1981 if (peer != NULL) 1982 { 1983 BIO_printf(bio,"Server certificate\n"); 1984 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1985 PEM_write_bio_X509(bio,peer); 1986 X509_NAME_oneline(X509_get_subject_name(peer), 1987 buf,sizeof buf); 1988 BIO_printf(bio,"subject=%s\n",buf); 1989 X509_NAME_oneline(X509_get_issuer_name(peer), 1990 buf,sizeof buf); 1991 BIO_printf(bio,"issuer=%s\n",buf); 1992 } 1993 else 1994 BIO_printf(bio,"no peer certificate available\n"); 1995 1996 sk2=SSL_get_client_CA_list(s); 1997 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1998 { 1999 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 2000 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2001 { 2002 xn=sk_X509_NAME_value(sk2,i); 2003 X509_NAME_oneline(xn,buf,sizeof(buf)); 2004 BIO_write(bio,buf,strlen(buf)); 2005 BIO_write(bio,"\n",1); 2006 } 2007 } 2008 else 2009 { 2010 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2011 } 2012 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2013 if (p != NULL) 2014 { 2015 /* This works only for SSL 2. In later protocol 2016 * versions, the client does not know what other 2017 * ciphers (in addition to the one to be used 2018 * in the current connection) the server supports. */ 2019 2020 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2021 j=i=0; 2022 while (*p) 2023 { 2024 if (*p == ':') 2025 { 2026 BIO_write(bio,space,15-j%25); 2027 i++; 2028 j=0; 2029 BIO_write(bio,((i%3)?" ":"\n"),1); 2030 } 2031 else 2032 { 2033 BIO_write(bio,p,1); 2034 j++; 2035 } 2036 p++; 2037 } 2038 BIO_write(bio,"\n",1); 2039 } 2040 2041 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2042 BIO_number_read(SSL_get_rbio(s)), 2043 BIO_number_written(SSL_get_wbio(s))); 2044 } 2045 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2046 c=SSL_get_current_cipher(s); 2047 BIO_printf(bio,"%s, Cipher is %s\n", 2048 SSL_CIPHER_get_version(c), 2049 SSL_CIPHER_get_name(c)); 2050 if (peer != NULL) { 2051 EVP_PKEY *pktmp; 2052 pktmp = X509_get_pubkey(peer); 2053 BIO_printf(bio,"Server public key is %d bit\n", 2054 EVP_PKEY_bits(pktmp)); 2055 EVP_PKEY_free(pktmp); 2056 } 2057 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2058 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2059 #ifndef OPENSSL_NO_COMP 2060 comp=SSL_get_current_compression(s); 2061 expansion=SSL_get_current_expansion(s); 2062 BIO_printf(bio,"Compression: %s\n", 2063 comp ? SSL_COMP_get_name(comp) : "NONE"); 2064 BIO_printf(bio,"Expansion: %s\n", 2065 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2066 #endif 2067 2068 #ifdef SSL_DEBUG 2069 { 2070 /* Print out local port of connection: useful for debugging */ 2071 int sock; 2072 struct sockaddr_in ladd; 2073 socklen_t ladd_size = sizeof(ladd); 2074 sock = SSL_get_fd(s); 2075 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2076 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2077 } 2078 #endif 2079 2080 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2081 if (next_proto.status != -1) { 2082 const unsigned char *proto; 2083 unsigned int proto_len; 2084 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2085 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2086 BIO_write(bio, proto, proto_len); 2087 BIO_write(bio, "\n", 1); 2088 } 2089 #endif 2090 2091 #ifndef OPENSSL_NO_SRTP 2092 { 2093 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2094 2095 if(srtp_profile) 2096 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2097 srtp_profile->name); 2098 } 2099 #endif 2100 2101 SSL_SESSION_print(bio,SSL_get_session(s)); 2102 if (keymatexportlabel != NULL) 2103 { 2104 BIO_printf(bio, "Keying material exporter:\n"); 2105 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2106 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2107 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2108 if (exportedkeymat != NULL) 2109 { 2110 if (!SSL_export_keying_material(s, exportedkeymat, 2111 keymatexportlen, 2112 keymatexportlabel, 2113 strlen(keymatexportlabel), 2114 NULL, 0, 0)) 2115 { 2116 BIO_printf(bio, " Error\n"); 2117 } 2118 else 2119 { 2120 BIO_printf(bio, " Keying material: "); 2121 for (i=0; i<keymatexportlen; i++) 2122 BIO_printf(bio, "%02X", 2123 exportedkeymat[i]); 2124 BIO_printf(bio, "\n"); 2125 } 2126 OPENSSL_free(exportedkeymat); 2127 } 2128 } 2129 BIO_printf(bio,"---\n"); 2130 if (peer != NULL) 2131 X509_free(peer); 2132 /* flush, or debugging output gets mixed with http response */ 2133 (void)BIO_flush(bio); 2134 } 2135 2136 #ifndef OPENSSL_NO_TLSEXT 2137 2138 static int ocsp_resp_cb(SSL *s, void *arg) 2139 { 2140 const unsigned char *p; 2141 int len; 2142 OCSP_RESPONSE *rsp; 2143 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2144 BIO_puts(arg, "OCSP response: "); 2145 if (!p) 2146 { 2147 BIO_puts(arg, "no response sent\n"); 2148 return 1; 2149 } 2150 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2151 if (!rsp) 2152 { 2153 BIO_puts(arg, "response parse error\n"); 2154 BIO_dump_indent(arg, (char *)p, len, 4); 2155 return 0; 2156 } 2157 BIO_puts(arg, "\n======================================\n"); 2158 OCSP_RESPONSE_print(arg, rsp, 0); 2159 BIO_puts(arg, "======================================\n"); 2160 OCSP_RESPONSE_free(rsp); 2161 return 1; 2162 } 2163 2164 #endif 2165