s_client.c revision 1.1.1.4
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 # if !defined(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 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 366 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 367 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 368 } 369 370 #ifndef OPENSSL_NO_TLSEXT 371 372 /* This is a context that we pass to callbacks */ 373 typedef struct tlsextctx_st { 374 BIO * biodebug; 375 int ack; 376 } tlsextctx; 377 378 379 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 380 { 381 tlsextctx * p = (tlsextctx *) arg; 382 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 383 if (SSL_get_servername_type(s) != -1) 384 p->ack = !SSL_session_reused(s) && hn != NULL; 385 else 386 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 387 388 return SSL_TLSEXT_ERR_OK; 389 } 390 391 #ifndef OPENSSL_NO_SRP 392 393 /* This is a context that we pass to all callbacks */ 394 typedef struct srp_arg_st 395 { 396 char *srppassin; 397 char *srplogin; 398 int msg; /* copy from c_msg */ 399 int debug; /* copy from c_debug */ 400 int amp; /* allow more groups */ 401 int strength /* minimal size for N */ ; 402 } SRP_ARG; 403 404 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 405 406 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 407 { 408 BN_CTX *bn_ctx = BN_CTX_new(); 409 BIGNUM *p = BN_new(); 410 BIGNUM *r = BN_new(); 411 int ret = 412 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 413 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 414 p != NULL && BN_rshift1(p, N) && 415 416 /* p = (N-1)/2 */ 417 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 418 r != NULL && 419 420 /* verify g^((N-1)/2) == -1 (mod N) */ 421 BN_mod_exp(r, g, p, N, bn_ctx) && 422 BN_add_word(r, 1) && 423 BN_cmp(r, N) == 0; 424 425 if(r) 426 BN_free(r); 427 if(p) 428 BN_free(p); 429 if(bn_ctx) 430 BN_CTX_free(bn_ctx); 431 return ret; 432 } 433 434 /* This callback is used here for two purposes: 435 - extended debugging 436 - making some primality tests for unknown groups 437 The callback is only called for a non default group. 438 439 An application does not need the call back at all if 440 only the stanard groups are used. In real life situations, 441 client and server already share well known groups, 442 thus there is no need to verify them. 443 Furthermore, in case that a server actually proposes a group that 444 is not one of those defined in RFC 5054, it is more appropriate 445 to add the group to a static list and then compare since 446 primality tests are rather cpu consuming. 447 */ 448 449 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 450 { 451 SRP_ARG *srp_arg = (SRP_ARG *)arg; 452 BIGNUM *N = NULL, *g = NULL; 453 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 454 return 0; 455 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 456 { 457 BIO_printf(bio_err, "SRP parameters:\n"); 458 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 459 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 460 BIO_printf(bio_err,"\n"); 461 } 462 463 if (SRP_check_known_gN_param(g,N)) 464 return 1; 465 466 if (srp_arg->amp == 1) 467 { 468 if (srp_arg->debug) 469 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 470 471 /* The srp_moregroups is a real debugging feature. 472 Implementors should rather add the value to the known ones. 473 The minimal size has already been tested. 474 */ 475 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 476 return 1; 477 } 478 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 479 return 0; 480 } 481 482 #define PWD_STRLEN 1024 483 484 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 485 { 486 SRP_ARG *srp_arg = (SRP_ARG *)arg; 487 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 488 PW_CB_DATA cb_tmp; 489 int l; 490 491 cb_tmp.password = (char *)srp_arg->srppassin; 492 cb_tmp.prompt_info = "SRP user"; 493 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 494 { 495 BIO_printf (bio_err, "Can't read Password\n"); 496 OPENSSL_free(pass); 497 return NULL; 498 } 499 *(pass+l)= '\0'; 500 501 return pass; 502 } 503 504 #endif 505 char *srtp_profiles = NULL; 506 507 # ifndef OPENSSL_NO_NEXTPROTONEG 508 /* This the context that we pass to next_proto_cb */ 509 typedef struct tlsextnextprotoctx_st { 510 unsigned char *data; 511 unsigned short len; 512 int status; 513 } tlsextnextprotoctx; 514 515 static tlsextnextprotoctx next_proto; 516 517 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 518 { 519 tlsextnextprotoctx *ctx = arg; 520 521 if (!c_quiet) 522 { 523 /* We can assume that |in| is syntactically valid. */ 524 unsigned i; 525 BIO_printf(bio_c_out, "Protocols advertised by server: "); 526 for (i = 0; i < inlen; ) 527 { 528 if (i) 529 BIO_write(bio_c_out, ", ", 2); 530 BIO_write(bio_c_out, &in[i + 1], in[i]); 531 i += in[i] + 1; 532 } 533 BIO_write(bio_c_out, "\n", 1); 534 } 535 536 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 537 return SSL_TLSEXT_ERR_OK; 538 } 539 # endif 540 #endif 541 542 enum 543 { 544 PROTO_OFF = 0, 545 PROTO_SMTP, 546 PROTO_POP3, 547 PROTO_IMAP, 548 PROTO_FTP, 549 PROTO_XMPP 550 }; 551 552 int MAIN(int, char **); 553 554 int MAIN(int argc, char **argv) 555 { 556 unsigned int off=0, clr=0; 557 SSL *con=NULL; 558 #ifndef OPENSSL_NO_KRB5 559 KSSL_CTX *kctx; 560 #endif 561 int s,k,width,state=0; 562 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 563 int cbuf_len,cbuf_off; 564 int sbuf_len,sbuf_off; 565 fd_set readfds,writefds; 566 short port=PORT; 567 int full_log=1; 568 char *host=SSL_HOST_NAME; 569 char *cert_file=NULL,*key_file=NULL; 570 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 571 char *passarg = NULL, *pass = NULL; 572 X509 *cert = NULL; 573 EVP_PKEY *key = NULL; 574 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 575 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 576 int crlf=0; 577 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 578 SSL_CTX *ctx=NULL; 579 int ret=1,in_init=1,i,nbio_test=0; 580 int starttls_proto = PROTO_OFF; 581 int prexit = 0; 582 X509_VERIFY_PARAM *vpm = NULL; 583 int badarg = 0; 584 const SSL_METHOD *meth=NULL; 585 int socket_type=SOCK_STREAM; 586 BIO *sbio; 587 char *inrand=NULL; 588 int mbuf_len=0; 589 struct timeval timeout, *timeoutp; 590 #ifndef OPENSSL_NO_ENGINE 591 char *engine_id=NULL; 592 char *ssl_client_engine_id=NULL; 593 ENGINE *ssl_client_engine=NULL; 594 #endif 595 ENGINE *e=NULL; 596 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 597 struct timeval tv; 598 #if defined(OPENSSL_SYS_BEOS_R5) 599 int stdin_set = 0; 600 #endif 601 #endif 602 #ifndef OPENSSL_NO_TLSEXT 603 char *servername = NULL; 604 tlsextctx tlsextcbp = 605 {NULL,0}; 606 # ifndef OPENSSL_NO_NEXTPROTONEG 607 const char *next_proto_neg_in = NULL; 608 # endif 609 #endif 610 char *sess_in = NULL; 611 char *sess_out = NULL; 612 struct sockaddr peer; 613 int peerlen = sizeof(peer); 614 int enable_timeouts = 0 ; 615 long socket_mtu = 0; 616 #ifndef OPENSSL_NO_JPAKE 617 char *jpake_secret = NULL; 618 #endif 619 #ifndef OPENSSL_NO_SRP 620 char * srppass = NULL; 621 int srp_lateuser = 0; 622 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 623 #endif 624 625 meth=SSLv23_client_method(); 626 627 apps_startup(); 628 c_Pause=0; 629 c_quiet=0; 630 c_ign_eof=0; 631 c_debug=0; 632 c_msg=0; 633 c_showcerts=0; 634 635 if (bio_err == NULL) 636 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 637 638 if (!load_config(bio_err, NULL)) 639 goto end; 640 641 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 642 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 643 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 644 { 645 BIO_printf(bio_err,"out of memory\n"); 646 goto end; 647 } 648 649 verify_depth=0; 650 verify_error=X509_V_OK; 651 #ifdef FIONBIO 652 c_nbio=0; 653 #endif 654 655 argc--; 656 argv++; 657 while (argc >= 1) 658 { 659 if (strcmp(*argv,"-host") == 0) 660 { 661 if (--argc < 1) goto bad; 662 host= *(++argv); 663 } 664 else if (strcmp(*argv,"-port") == 0) 665 { 666 if (--argc < 1) goto bad; 667 port=atoi(*(++argv)); 668 if (port == 0) goto bad; 669 } 670 else if (strcmp(*argv,"-connect") == 0) 671 { 672 if (--argc < 1) goto bad; 673 if (!extract_host_port(*(++argv),&host,NULL,&port)) 674 goto bad; 675 } 676 else if (strcmp(*argv,"-verify") == 0) 677 { 678 verify=SSL_VERIFY_PEER; 679 if (--argc < 1) goto bad; 680 verify_depth=atoi(*(++argv)); 681 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 682 } 683 else if (strcmp(*argv,"-cert") == 0) 684 { 685 if (--argc < 1) goto bad; 686 cert_file= *(++argv); 687 } 688 else if (strcmp(*argv,"-sess_out") == 0) 689 { 690 if (--argc < 1) goto bad; 691 sess_out = *(++argv); 692 } 693 else if (strcmp(*argv,"-sess_in") == 0) 694 { 695 if (--argc < 1) goto bad; 696 sess_in = *(++argv); 697 } 698 else if (strcmp(*argv,"-certform") == 0) 699 { 700 if (--argc < 1) goto bad; 701 cert_format = str2fmt(*(++argv)); 702 } 703 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 704 { 705 if (badarg) 706 goto bad; 707 continue; 708 } 709 else if (strcmp(*argv,"-verify_return_error") == 0) 710 verify_return_error = 1; 711 else if (strcmp(*argv,"-prexit") == 0) 712 prexit=1; 713 else if (strcmp(*argv,"-crlf") == 0) 714 crlf=1; 715 else if (strcmp(*argv,"-quiet") == 0) 716 { 717 c_quiet=1; 718 c_ign_eof=1; 719 } 720 else if (strcmp(*argv,"-ign_eof") == 0) 721 c_ign_eof=1; 722 else if (strcmp(*argv,"-no_ign_eof") == 0) 723 c_ign_eof=0; 724 else if (strcmp(*argv,"-pause") == 0) 725 c_Pause=1; 726 else if (strcmp(*argv,"-debug") == 0) 727 c_debug=1; 728 #ifndef OPENSSL_NO_TLSEXT 729 else if (strcmp(*argv,"-tlsextdebug") == 0) 730 c_tlsextdebug=1; 731 else if (strcmp(*argv,"-status") == 0) 732 c_status_req=1; 733 #endif 734 #ifdef WATT32 735 else if (strcmp(*argv,"-wdebug") == 0) 736 dbug_init(); 737 #endif 738 else if (strcmp(*argv,"-msg") == 0) 739 c_msg=1; 740 else if (strcmp(*argv,"-showcerts") == 0) 741 c_showcerts=1; 742 else if (strcmp(*argv,"-nbio_test") == 0) 743 nbio_test=1; 744 else if (strcmp(*argv,"-state") == 0) 745 state=1; 746 #ifndef OPENSSL_NO_PSK 747 else if (strcmp(*argv,"-psk_identity") == 0) 748 { 749 if (--argc < 1) goto bad; 750 psk_identity=*(++argv); 751 } 752 else if (strcmp(*argv,"-psk") == 0) 753 { 754 size_t j; 755 756 if (--argc < 1) goto bad; 757 psk_key=*(++argv); 758 for (j = 0; j < strlen(psk_key); j++) 759 { 760 if (isxdigit((unsigned char)psk_key[j])) 761 continue; 762 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 763 goto bad; 764 } 765 } 766 #endif 767 #ifndef OPENSSL_NO_SRP 768 else if (strcmp(*argv,"-srpuser") == 0) 769 { 770 if (--argc < 1) goto bad; 771 srp_arg.srplogin= *(++argv); 772 meth=TLSv1_client_method(); 773 } 774 else if (strcmp(*argv,"-srppass") == 0) 775 { 776 if (--argc < 1) goto bad; 777 srppass= *(++argv); 778 meth=TLSv1_client_method(); 779 } 780 else if (strcmp(*argv,"-srp_strength") == 0) 781 { 782 if (--argc < 1) goto bad; 783 srp_arg.strength=atoi(*(++argv)); 784 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 785 meth=TLSv1_client_method(); 786 } 787 else if (strcmp(*argv,"-srp_lateuser") == 0) 788 { 789 srp_lateuser= 1; 790 meth=TLSv1_client_method(); 791 } 792 else if (strcmp(*argv,"-srp_moregroups") == 0) 793 { 794 srp_arg.amp=1; 795 meth=TLSv1_client_method(); 796 } 797 #endif 798 #ifndef OPENSSL_NO_SSL2 799 else if (strcmp(*argv,"-ssl2") == 0) 800 meth=SSLv2_client_method(); 801 #endif 802 #ifndef OPENSSL_NO_SSL3 803 else if (strcmp(*argv,"-ssl3") == 0) 804 meth=SSLv3_client_method(); 805 #endif 806 #ifndef OPENSSL_NO_TLS1 807 else if (strcmp(*argv,"-tls1_2") == 0) 808 meth=TLSv1_2_client_method(); 809 else if (strcmp(*argv,"-tls1_1") == 0) 810 meth=TLSv1_1_client_method(); 811 else if (strcmp(*argv,"-tls1") == 0) 812 meth=TLSv1_client_method(); 813 #endif 814 #ifndef OPENSSL_NO_DTLS1 815 else if (strcmp(*argv,"-dtls1") == 0) 816 { 817 meth=DTLSv1_client_method(); 818 socket_type=SOCK_DGRAM; 819 } 820 else if (strcmp(*argv,"-timeout") == 0) 821 enable_timeouts=1; 822 else if (strcmp(*argv,"-mtu") == 0) 823 { 824 if (--argc < 1) goto bad; 825 socket_mtu = atol(*(++argv)); 826 } 827 #endif 828 else if (strcmp(*argv,"-bugs") == 0) 829 bugs=1; 830 else if (strcmp(*argv,"-keyform") == 0) 831 { 832 if (--argc < 1) goto bad; 833 key_format = str2fmt(*(++argv)); 834 } 835 else if (strcmp(*argv,"-pass") == 0) 836 { 837 if (--argc < 1) goto bad; 838 passarg = *(++argv); 839 } 840 else if (strcmp(*argv,"-key") == 0) 841 { 842 if (--argc < 1) goto bad; 843 key_file= *(++argv); 844 } 845 else if (strcmp(*argv,"-reconnect") == 0) 846 { 847 reconnect=5; 848 } 849 else if (strcmp(*argv,"-CApath") == 0) 850 { 851 if (--argc < 1) goto bad; 852 CApath= *(++argv); 853 } 854 else if (strcmp(*argv,"-CAfile") == 0) 855 { 856 if (--argc < 1) goto bad; 857 CAfile= *(++argv); 858 } 859 else if (strcmp(*argv,"-no_tls1_2") == 0) 860 off|=SSL_OP_NO_TLSv1_2; 861 else if (strcmp(*argv,"-no_tls1_1") == 0) 862 off|=SSL_OP_NO_TLSv1_1; 863 else if (strcmp(*argv,"-no_tls1") == 0) 864 off|=SSL_OP_NO_TLSv1; 865 else if (strcmp(*argv,"-no_ssl3") == 0) 866 off|=SSL_OP_NO_SSLv3; 867 else if (strcmp(*argv,"-no_ssl2") == 0) 868 off|=SSL_OP_NO_SSLv2; 869 else if (strcmp(*argv,"-no_comp") == 0) 870 { off|=SSL_OP_NO_COMPRESSION; } 871 #ifndef OPENSSL_NO_TLSEXT 872 else if (strcmp(*argv,"-no_ticket") == 0) 873 { off|=SSL_OP_NO_TICKET; } 874 # ifndef OPENSSL_NO_NEXTPROTONEG 875 else if (strcmp(*argv,"-nextprotoneg") == 0) 876 { 877 if (--argc < 1) goto bad; 878 next_proto_neg_in = *(++argv); 879 } 880 # endif 881 #endif 882 else if (strcmp(*argv,"-serverpref") == 0) 883 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 884 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 885 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 886 else if (strcmp(*argv,"-legacy_server_connect") == 0) 887 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 888 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 889 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 890 else if (strcmp(*argv,"-cipher") == 0) 891 { 892 if (--argc < 1) goto bad; 893 cipher= *(++argv); 894 } 895 #ifdef FIONBIO 896 else if (strcmp(*argv,"-nbio") == 0) 897 { c_nbio=1; } 898 #endif 899 else if (strcmp(*argv,"-starttls") == 0) 900 { 901 if (--argc < 1) goto bad; 902 ++argv; 903 if (strcmp(*argv,"smtp") == 0) 904 starttls_proto = PROTO_SMTP; 905 else if (strcmp(*argv,"pop3") == 0) 906 starttls_proto = PROTO_POP3; 907 else if (strcmp(*argv,"imap") == 0) 908 starttls_proto = PROTO_IMAP; 909 else if (strcmp(*argv,"ftp") == 0) 910 starttls_proto = PROTO_FTP; 911 else if (strcmp(*argv, "xmpp") == 0) 912 starttls_proto = PROTO_XMPP; 913 else 914 goto bad; 915 } 916 #ifndef OPENSSL_NO_ENGINE 917 else if (strcmp(*argv,"-engine") == 0) 918 { 919 if (--argc < 1) goto bad; 920 engine_id = *(++argv); 921 } 922 else if (strcmp(*argv,"-ssl_client_engine") == 0) 923 { 924 if (--argc < 1) goto bad; 925 ssl_client_engine_id = *(++argv); 926 } 927 #endif 928 else if (strcmp(*argv,"-rand") == 0) 929 { 930 if (--argc < 1) goto bad; 931 inrand= *(++argv); 932 } 933 #ifndef OPENSSL_NO_TLSEXT 934 else if (strcmp(*argv,"-servername") == 0) 935 { 936 if (--argc < 1) goto bad; 937 servername= *(++argv); 938 /* meth=TLSv1_client_method(); */ 939 } 940 #endif 941 #ifndef OPENSSL_NO_JPAKE 942 else if (strcmp(*argv,"-jpake") == 0) 943 { 944 if (--argc < 1) goto bad; 945 jpake_secret = *++argv; 946 } 947 #endif 948 else if (strcmp(*argv,"-use_srtp") == 0) 949 { 950 if (--argc < 1) goto bad; 951 srtp_profiles = *(++argv); 952 } 953 else if (strcmp(*argv,"-keymatexport") == 0) 954 { 955 if (--argc < 1) goto bad; 956 keymatexportlabel= *(++argv); 957 } 958 else if (strcmp(*argv,"-keymatexportlen") == 0) 959 { 960 if (--argc < 1) goto bad; 961 keymatexportlen=atoi(*(++argv)); 962 if (keymatexportlen == 0) goto bad; 963 } 964 else 965 { 966 BIO_printf(bio_err,"unknown option %s\n",*argv); 967 badop=1; 968 break; 969 } 970 argc--; 971 argv++; 972 } 973 if (badop) 974 { 975 bad: 976 sc_usage(); 977 goto end; 978 } 979 980 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 981 if (jpake_secret) 982 { 983 if (psk_key) 984 { 985 BIO_printf(bio_err, 986 "Can't use JPAKE and PSK together\n"); 987 goto end; 988 } 989 psk_identity = "JPAKE"; 990 if (cipher) 991 { 992 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 993 goto end; 994 } 995 cipher = "PSK"; 996 } 997 #endif 998 999 OpenSSL_add_ssl_algorithms(); 1000 SSL_load_error_strings(); 1001 1002 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1003 next_proto.status = -1; 1004 if (next_proto_neg_in) 1005 { 1006 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1007 if (next_proto.data == NULL) 1008 { 1009 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1010 goto end; 1011 } 1012 } 1013 else 1014 next_proto.data = NULL; 1015 #endif 1016 1017 #ifndef OPENSSL_NO_ENGINE 1018 e = setup_engine(bio_err, engine_id, 1); 1019 if (ssl_client_engine_id) 1020 { 1021 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1022 if (!ssl_client_engine) 1023 { 1024 BIO_printf(bio_err, 1025 "Error getting client auth engine\n"); 1026 goto end; 1027 } 1028 } 1029 1030 #endif 1031 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1032 { 1033 BIO_printf(bio_err, "Error getting password\n"); 1034 goto end; 1035 } 1036 1037 if (key_file == NULL) 1038 key_file = cert_file; 1039 1040 1041 if (key_file) 1042 1043 { 1044 1045 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1046 "client certificate private key file"); 1047 if (!key) 1048 { 1049 ERR_print_errors(bio_err); 1050 goto end; 1051 } 1052 1053 } 1054 1055 if (cert_file) 1056 1057 { 1058 cert = load_cert(bio_err,cert_file,cert_format, 1059 NULL, e, "client certificate file"); 1060 1061 if (!cert) 1062 { 1063 ERR_print_errors(bio_err); 1064 goto end; 1065 } 1066 } 1067 1068 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1069 && !RAND_status()) 1070 { 1071 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1072 } 1073 if (inrand != NULL) 1074 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1075 app_RAND_load_files(inrand)); 1076 1077 if (bio_c_out == NULL) 1078 { 1079 if (c_quiet && !c_debug && !c_msg) 1080 { 1081 bio_c_out=BIO_new(BIO_s_null()); 1082 } 1083 else 1084 { 1085 if (bio_c_out == NULL) 1086 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1087 } 1088 } 1089 1090 #ifndef OPENSSL_NO_SRP 1091 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1092 { 1093 BIO_printf(bio_err, "Error getting password\n"); 1094 goto end; 1095 } 1096 #endif 1097 1098 ctx=SSL_CTX_new(meth); 1099 if (ctx == NULL) 1100 { 1101 ERR_print_errors(bio_err); 1102 goto end; 1103 } 1104 1105 if (vpm) 1106 SSL_CTX_set1_param(ctx, vpm); 1107 1108 #ifndef OPENSSL_NO_ENGINE 1109 if (ssl_client_engine) 1110 { 1111 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1112 { 1113 BIO_puts(bio_err, "Error setting client auth engine\n"); 1114 ERR_print_errors(bio_err); 1115 ENGINE_free(ssl_client_engine); 1116 goto end; 1117 } 1118 ENGINE_free(ssl_client_engine); 1119 } 1120 #endif 1121 1122 #ifndef OPENSSL_NO_PSK 1123 #ifdef OPENSSL_NO_JPAKE 1124 if (psk_key != NULL) 1125 #else 1126 if (psk_key != NULL || jpake_secret) 1127 #endif 1128 { 1129 if (c_debug) 1130 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1131 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1132 } 1133 if (srtp_profiles != NULL) 1134 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1135 #endif 1136 if (bugs) 1137 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1138 else 1139 SSL_CTX_set_options(ctx,off); 1140 1141 if (clr) 1142 SSL_CTX_clear_options(ctx, clr); 1143 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1144 * Setting read ahead solves this problem. 1145 */ 1146 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1147 1148 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1149 if (next_proto.data) 1150 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1151 #endif 1152 1153 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1154 if (cipher != NULL) 1155 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1156 BIO_printf(bio_err,"error setting cipher list\n"); 1157 ERR_print_errors(bio_err); 1158 goto end; 1159 } 1160 #if 0 1161 else 1162 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1163 #endif 1164 1165 SSL_CTX_set_verify(ctx,verify,verify_callback); 1166 if (!set_cert_key_stuff(ctx,cert,key)) 1167 goto end; 1168 1169 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1170 (!SSL_CTX_set_default_verify_paths(ctx))) 1171 { 1172 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1173 ERR_print_errors(bio_err); 1174 /* goto end; */ 1175 } 1176 1177 #ifndef OPENSSL_NO_TLSEXT 1178 if (servername != NULL) 1179 { 1180 tlsextcbp.biodebug = bio_err; 1181 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1182 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1183 } 1184 #ifndef OPENSSL_NO_SRP 1185 if (srp_arg.srplogin) 1186 { 1187 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1188 { 1189 BIO_printf(bio_err,"Unable to set SRP username\n"); 1190 goto end; 1191 } 1192 srp_arg.msg = c_msg; 1193 srp_arg.debug = c_debug ; 1194 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1195 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1196 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1197 if (c_msg || c_debug || srp_arg.amp == 0) 1198 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1199 } 1200 1201 #endif 1202 #endif 1203 1204 con=SSL_new(ctx); 1205 if (sess_in) 1206 { 1207 SSL_SESSION *sess; 1208 BIO *stmp = BIO_new_file(sess_in, "r"); 1209 if (!stmp) 1210 { 1211 BIO_printf(bio_err, "Can't open session file %s\n", 1212 sess_in); 1213 ERR_print_errors(bio_err); 1214 goto end; 1215 } 1216 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1217 BIO_free(stmp); 1218 if (!sess) 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 SSL_set_session(con, sess); 1226 SSL_SESSION_free(sess); 1227 } 1228 #ifndef OPENSSL_NO_TLSEXT 1229 if (servername != NULL) 1230 { 1231 if (!SSL_set_tlsext_host_name(con,servername)) 1232 { 1233 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1234 ERR_print_errors(bio_err); 1235 goto end; 1236 } 1237 } 1238 #endif 1239 #ifndef OPENSSL_NO_KRB5 1240 if (con && (kctx = kssl_ctx_new()) != NULL) 1241 { 1242 SSL_set0_kssl_ctx(con, kctx); 1243 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1244 } 1245 #endif /* OPENSSL_NO_KRB5 */ 1246 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1247 #if 0 1248 #ifdef TLSEXT_TYPE_opaque_prf_input 1249 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1250 #endif 1251 #endif 1252 1253 re_start: 1254 1255 if (init_client(&s,host,port,socket_type) == 0) 1256 { 1257 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1258 SHUTDOWN(s); 1259 goto end; 1260 } 1261 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1262 1263 #ifdef FIONBIO 1264 if (c_nbio) 1265 { 1266 unsigned long l=1; 1267 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1268 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1269 { 1270 ERR_print_errors(bio_err); 1271 goto end; 1272 } 1273 } 1274 #endif 1275 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1276 1277 if ( SSL_version(con) == DTLS1_VERSION) 1278 { 1279 1280 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1281 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1282 { 1283 BIO_printf(bio_err, "getsockname:errno=%d\n", 1284 get_last_socket_error()); 1285 SHUTDOWN(s); 1286 goto end; 1287 } 1288 1289 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1290 1291 if (enable_timeouts) 1292 { 1293 timeout.tv_sec = 0; 1294 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1295 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1296 1297 timeout.tv_sec = 0; 1298 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1299 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1300 } 1301 1302 if (socket_mtu > 28) 1303 { 1304 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1305 SSL_set_mtu(con, socket_mtu - 28); 1306 } 1307 else 1308 /* want to do MTU discovery */ 1309 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1310 } 1311 else 1312 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1313 1314 if (nbio_test) 1315 { 1316 BIO *test; 1317 1318 test=BIO_new(BIO_f_nbio_test()); 1319 sbio=BIO_push(test,sbio); 1320 } 1321 1322 if (c_debug) 1323 { 1324 SSL_set_debug(con, 1); 1325 BIO_set_callback(sbio,bio_dump_callback); 1326 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1327 } 1328 if (c_msg) 1329 { 1330 SSL_set_msg_callback(con, msg_cb); 1331 SSL_set_msg_callback_arg(con, bio_c_out); 1332 } 1333 #ifndef OPENSSL_NO_TLSEXT 1334 if (c_tlsextdebug) 1335 { 1336 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1337 SSL_set_tlsext_debug_arg(con, bio_c_out); 1338 } 1339 if (c_status_req) 1340 { 1341 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1342 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1343 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1344 #if 0 1345 { 1346 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1347 OCSP_RESPID *id = OCSP_RESPID_new(); 1348 id->value.byKey = ASN1_OCTET_STRING_new(); 1349 id->type = V_OCSP_RESPID_KEY; 1350 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1351 sk_OCSP_RESPID_push(ids, id); 1352 SSL_set_tlsext_status_ids(con, ids); 1353 } 1354 #endif 1355 } 1356 #endif 1357 #ifndef OPENSSL_NO_JPAKE 1358 if (jpake_secret) 1359 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1360 #endif 1361 1362 SSL_set_bio(con,sbio,sbio); 1363 SSL_set_connect_state(con); 1364 1365 /* ok, lets connect */ 1366 width=SSL_get_fd(con)+1; 1367 1368 read_tty=1; 1369 write_tty=0; 1370 tty_on=0; 1371 read_ssl=1; 1372 write_ssl=1; 1373 1374 cbuf_len=0; 1375 cbuf_off=0; 1376 sbuf_len=0; 1377 sbuf_off=0; 1378 1379 /* This is an ugly hack that does a lot of assumptions */ 1380 /* We do have to handle multi-line responses which may come 1381 in a single packet or not. We therefore have to use 1382 BIO_gets() which does need a buffering BIO. So during 1383 the initial chitchat we do push a buffering BIO into the 1384 chain that is removed again later on to not disturb the 1385 rest of the s_client operation. */ 1386 if (starttls_proto == PROTO_SMTP) 1387 { 1388 int foundit=0; 1389 BIO *fbio = BIO_new(BIO_f_buffer()); 1390 BIO_push(fbio, sbio); 1391 /* wait for multi-line response to end from SMTP */ 1392 do 1393 { 1394 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1395 } 1396 while (mbuf_len>3 && mbuf[3]=='-'); 1397 /* STARTTLS command requires EHLO... */ 1398 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1399 (void)BIO_flush(fbio); 1400 /* wait for multi-line response to end EHLO SMTP response */ 1401 do 1402 { 1403 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1404 if (strstr(mbuf,"STARTTLS")) 1405 foundit=1; 1406 } 1407 while (mbuf_len>3 && mbuf[3]=='-'); 1408 (void)BIO_flush(fbio); 1409 BIO_pop(fbio); 1410 BIO_free(fbio); 1411 if (!foundit) 1412 BIO_printf(bio_err, 1413 "didn't found starttls in server response," 1414 " try anyway...\n"); 1415 BIO_printf(sbio,"STARTTLS\r\n"); 1416 BIO_read(sbio,sbuf,BUFSIZZ); 1417 } 1418 else if (starttls_proto == PROTO_POP3) 1419 { 1420 BIO_read(sbio,mbuf,BUFSIZZ); 1421 BIO_printf(sbio,"STLS\r\n"); 1422 BIO_read(sbio,sbuf,BUFSIZZ); 1423 } 1424 else if (starttls_proto == PROTO_IMAP) 1425 { 1426 int foundit=0; 1427 BIO *fbio = BIO_new(BIO_f_buffer()); 1428 BIO_push(fbio, sbio); 1429 BIO_gets(fbio,mbuf,BUFSIZZ); 1430 /* STARTTLS command requires CAPABILITY... */ 1431 BIO_printf(fbio,". CAPABILITY\r\n"); 1432 (void)BIO_flush(fbio); 1433 /* wait for multi-line CAPABILITY response */ 1434 do 1435 { 1436 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1437 if (strstr(mbuf,"STARTTLS")) 1438 foundit=1; 1439 } 1440 while (mbuf_len>3 && mbuf[0]!='.'); 1441 (void)BIO_flush(fbio); 1442 BIO_pop(fbio); 1443 BIO_free(fbio); 1444 if (!foundit) 1445 BIO_printf(bio_err, 1446 "didn't found STARTTLS in server response," 1447 " try anyway...\n"); 1448 BIO_printf(sbio,". STARTTLS\r\n"); 1449 BIO_read(sbio,sbuf,BUFSIZZ); 1450 } 1451 else if (starttls_proto == PROTO_FTP) 1452 { 1453 BIO *fbio = BIO_new(BIO_f_buffer()); 1454 BIO_push(fbio, sbio); 1455 /* wait for multi-line response to end from FTP */ 1456 do 1457 { 1458 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1459 } 1460 while (mbuf_len>3 && mbuf[3]=='-'); 1461 (void)BIO_flush(fbio); 1462 BIO_pop(fbio); 1463 BIO_free(fbio); 1464 BIO_printf(sbio,"AUTH TLS\r\n"); 1465 BIO_read(sbio,sbuf,BUFSIZZ); 1466 } 1467 if (starttls_proto == PROTO_XMPP) 1468 { 1469 int seen = 0; 1470 BIO_printf(sbio,"<stream:stream " 1471 "xmlns:stream='http://etherx.jabber.org/streams' " 1472 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1473 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1474 mbuf[seen] = 0; 1475 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1476 { 1477 if (strstr(mbuf, "/stream:features>")) 1478 goto shut; 1479 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1480 mbuf[seen] = 0; 1481 } 1482 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1483 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1484 sbuf[seen] = 0; 1485 if (!strstr(sbuf, "<proceed")) 1486 goto shut; 1487 mbuf[0] = 0; 1488 } 1489 1490 for (;;) 1491 { 1492 FD_ZERO(&readfds); 1493 FD_ZERO(&writefds); 1494 1495 if ((SSL_version(con) == DTLS1_VERSION) && 1496 DTLSv1_get_timeout(con, &timeout)) 1497 timeoutp = &timeout; 1498 else 1499 timeoutp = NULL; 1500 1501 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1502 { 1503 in_init=1; 1504 tty_on=0; 1505 } 1506 else 1507 { 1508 tty_on=1; 1509 if (in_init) 1510 { 1511 in_init=0; 1512 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1513 #ifndef OPENSSL_NO_TLSEXT 1514 if (servername != NULL && !SSL_session_reused(con)) 1515 { 1516 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1517 } 1518 #endif 1519 #endif 1520 if (sess_out) 1521 { 1522 BIO *stmp = BIO_new_file(sess_out, "w"); 1523 if (stmp) 1524 { 1525 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1526 BIO_free(stmp); 1527 } 1528 else 1529 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1530 } 1531 print_stuff(bio_c_out,con,full_log); 1532 if (full_log > 0) full_log--; 1533 1534 if (starttls_proto) 1535 { 1536 BIO_printf(bio_err,"%s",mbuf); 1537 /* We don't need to know any more */ 1538 starttls_proto = PROTO_OFF; 1539 } 1540 1541 if (reconnect) 1542 { 1543 reconnect--; 1544 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1545 SSL_shutdown(con); 1546 SSL_set_connect_state(con); 1547 SHUTDOWN(SSL_get_fd(con)); 1548 goto re_start; 1549 } 1550 } 1551 } 1552 1553 ssl_pending = read_ssl && SSL_pending(con); 1554 1555 if (!ssl_pending) 1556 { 1557 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1558 if (tty_on) 1559 { 1560 if (read_tty) openssl_fdset(fileno(stdin),&readfds); 1561 if (write_tty) openssl_fdset(fileno(stdout),&writefds); 1562 } 1563 if (read_ssl) 1564 openssl_fdset(SSL_get_fd(con),&readfds); 1565 if (write_ssl) 1566 openssl_fdset(SSL_get_fd(con),&writefds); 1567 #else 1568 if(!tty_on || !write_tty) { 1569 if (read_ssl) 1570 openssl_fdset(SSL_get_fd(con),&readfds); 1571 if (write_ssl) 1572 openssl_fdset(SSL_get_fd(con),&writefds); 1573 } 1574 #endif 1575 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1576 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1577 1578 /* Note: under VMS with SOCKETSHR the second parameter 1579 * is currently of type (int *) whereas under other 1580 * systems it is (void *) if you don't have a cast it 1581 * will choke the compiler: if you do have a cast then 1582 * you can either go for (int *) or (void *). 1583 */ 1584 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1585 /* Under Windows/DOS we make the assumption that we can 1586 * always write to the tty: therefore if we need to 1587 * write to the tty we just fall through. Otherwise 1588 * we timeout the select every second and see if there 1589 * are any keypresses. Note: this is a hack, in a proper 1590 * Windows application we wouldn't do this. 1591 */ 1592 i=0; 1593 if(!write_tty) { 1594 if(read_tty) { 1595 tv.tv_sec = 1; 1596 tv.tv_usec = 0; 1597 i=select(width,(void *)&readfds,(void *)&writefds, 1598 NULL,&tv); 1599 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1600 if(!i && (!_kbhit() || !read_tty) ) continue; 1601 #else 1602 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1603 #endif 1604 } else i=select(width,(void *)&readfds,(void *)&writefds, 1605 NULL,timeoutp); 1606 } 1607 #elif defined(OPENSSL_SYS_NETWARE) 1608 if(!write_tty) { 1609 if(read_tty) { 1610 tv.tv_sec = 1; 1611 tv.tv_usec = 0; 1612 i=select(width,(void *)&readfds,(void *)&writefds, 1613 NULL,&tv); 1614 } else i=select(width,(void *)&readfds,(void *)&writefds, 1615 NULL,timeoutp); 1616 } 1617 #elif defined(OPENSSL_SYS_BEOS_R5) 1618 /* Under BeOS-R5 the situation is similar to DOS */ 1619 i=0; 1620 stdin_set = 0; 1621 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 1622 if(!write_tty) { 1623 if(read_tty) { 1624 tv.tv_sec = 1; 1625 tv.tv_usec = 0; 1626 i=select(width,(void *)&readfds,(void *)&writefds, 1627 NULL,&tv); 1628 if (read(fileno(stdin), sbuf, 0) >= 0) 1629 stdin_set = 1; 1630 if (!i && (stdin_set != 1 || !read_tty)) 1631 continue; 1632 } else i=select(width,(void *)&readfds,(void *)&writefds, 1633 NULL,timeoutp); 1634 } 1635 (void)fcntl(fileno(stdin), F_SETFL, 0); 1636 #else 1637 i=select(width,(void *)&readfds,(void *)&writefds, 1638 NULL,timeoutp); 1639 #endif 1640 if ( i < 0) 1641 { 1642 BIO_printf(bio_err,"bad select %d\n", 1643 get_last_socket_error()); 1644 goto shut; 1645 /* goto end; */ 1646 } 1647 } 1648 1649 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1650 { 1651 BIO_printf(bio_err,"TIMEOUT occured\n"); 1652 } 1653 1654 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1655 { 1656 k=SSL_write(con,&(cbuf[cbuf_off]), 1657 (unsigned int)cbuf_len); 1658 switch (SSL_get_error(con,k)) 1659 { 1660 case SSL_ERROR_NONE: 1661 cbuf_off+=k; 1662 cbuf_len-=k; 1663 if (k <= 0) goto end; 1664 /* we have done a write(con,NULL,0); */ 1665 if (cbuf_len <= 0) 1666 { 1667 read_tty=1; 1668 write_ssl=0; 1669 } 1670 else /* if (cbuf_len > 0) */ 1671 { 1672 read_tty=0; 1673 write_ssl=1; 1674 } 1675 break; 1676 case SSL_ERROR_WANT_WRITE: 1677 BIO_printf(bio_c_out,"write W BLOCK\n"); 1678 write_ssl=1; 1679 read_tty=0; 1680 break; 1681 case SSL_ERROR_WANT_READ: 1682 BIO_printf(bio_c_out,"write R BLOCK\n"); 1683 write_tty=0; 1684 read_ssl=1; 1685 write_ssl=0; 1686 break; 1687 case SSL_ERROR_WANT_X509_LOOKUP: 1688 BIO_printf(bio_c_out,"write X BLOCK\n"); 1689 break; 1690 case SSL_ERROR_ZERO_RETURN: 1691 if (cbuf_len != 0) 1692 { 1693 BIO_printf(bio_c_out,"shutdown\n"); 1694 ret = 0; 1695 goto shut; 1696 } 1697 else 1698 { 1699 read_tty=1; 1700 write_ssl=0; 1701 break; 1702 } 1703 1704 case SSL_ERROR_SYSCALL: 1705 if ((k != 0) || (cbuf_len != 0)) 1706 { 1707 BIO_printf(bio_err,"write:errno=%d\n", 1708 get_last_socket_error()); 1709 goto shut; 1710 } 1711 else 1712 { 1713 read_tty=1; 1714 write_ssl=0; 1715 } 1716 break; 1717 case SSL_ERROR_SSL: 1718 ERR_print_errors(bio_err); 1719 goto shut; 1720 } 1721 } 1722 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1723 /* Assume Windows/DOS/BeOS can always write */ 1724 else if (!ssl_pending && write_tty) 1725 #else 1726 else if (!ssl_pending && FD_ISSET(fileno(stdout),&writefds)) 1727 #endif 1728 { 1729 #ifdef CHARSET_EBCDIC 1730 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1731 #endif 1732 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1733 1734 if (i <= 0) 1735 { 1736 BIO_printf(bio_c_out,"DONE\n"); 1737 ret = 0; 1738 goto shut; 1739 /* goto end; */ 1740 } 1741 1742 sbuf_len-=i;; 1743 sbuf_off+=i; 1744 if (sbuf_len <= 0) 1745 { 1746 read_ssl=1; 1747 write_tty=0; 1748 } 1749 } 1750 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1751 { 1752 #ifdef RENEG 1753 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1754 #endif 1755 #if 1 1756 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1757 #else 1758 /* Demo for pending and peek :-) */ 1759 k=SSL_read(con,sbuf,16); 1760 { char zbuf[10240]; 1761 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1762 } 1763 #endif 1764 1765 switch (SSL_get_error(con,k)) 1766 { 1767 case SSL_ERROR_NONE: 1768 if (k <= 0) 1769 goto end; 1770 sbuf_off=0; 1771 sbuf_len=k; 1772 1773 read_ssl=0; 1774 write_tty=1; 1775 break; 1776 case SSL_ERROR_WANT_WRITE: 1777 BIO_printf(bio_c_out,"read W BLOCK\n"); 1778 write_ssl=1; 1779 read_tty=0; 1780 break; 1781 case SSL_ERROR_WANT_READ: 1782 BIO_printf(bio_c_out,"read R BLOCK\n"); 1783 write_tty=0; 1784 read_ssl=1; 1785 if ((read_tty == 0) && (write_ssl == 0)) 1786 write_ssl=1; 1787 break; 1788 case SSL_ERROR_WANT_X509_LOOKUP: 1789 BIO_printf(bio_c_out,"read X BLOCK\n"); 1790 break; 1791 case SSL_ERROR_SYSCALL: 1792 ret=get_last_socket_error(); 1793 BIO_printf(bio_err,"read:errno=%d\n",ret); 1794 goto shut; 1795 case SSL_ERROR_ZERO_RETURN: 1796 BIO_printf(bio_c_out,"closed\n"); 1797 ret=0; 1798 goto shut; 1799 case SSL_ERROR_SSL: 1800 ERR_print_errors(bio_err); 1801 goto shut; 1802 /* break; */ 1803 } 1804 } 1805 1806 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1807 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1808 else if (_kbhit()) 1809 #else 1810 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1811 #endif 1812 #elif defined (OPENSSL_SYS_NETWARE) 1813 else if (_kbhit()) 1814 #elif defined(OPENSSL_SYS_BEOS_R5) 1815 else if (stdin_set) 1816 #else 1817 else if (FD_ISSET(fileno(stdin),&readfds)) 1818 #endif 1819 { 1820 if (crlf) 1821 { 1822 int j, lf_num; 1823 1824 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1825 lf_num = 0; 1826 /* both loops are skipped when i <= 0 */ 1827 for (j = 0; j < i; j++) 1828 if (cbuf[j] == '\n') 1829 lf_num++; 1830 for (j = i-1; j >= 0; j--) 1831 { 1832 cbuf[j+lf_num] = cbuf[j]; 1833 if (cbuf[j] == '\n') 1834 { 1835 lf_num--; 1836 i++; 1837 cbuf[j+lf_num] = '\r'; 1838 } 1839 } 1840 assert(lf_num == 0); 1841 } 1842 else 1843 i=raw_read_stdin(cbuf,BUFSIZZ); 1844 1845 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1846 { 1847 BIO_printf(bio_err,"DONE\n"); 1848 ret=0; 1849 goto shut; 1850 } 1851 1852 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1853 { 1854 BIO_printf(bio_err,"RENEGOTIATING\n"); 1855 SSL_renegotiate(con); 1856 cbuf_len=0; 1857 } 1858 #ifndef OPENSSL_NO_HEARTBEATS 1859 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1860 { 1861 BIO_printf(bio_err,"HEARTBEATING\n"); 1862 SSL_heartbeat(con); 1863 cbuf_len=0; 1864 } 1865 #endif 1866 else 1867 { 1868 cbuf_len=i; 1869 cbuf_off=0; 1870 #ifdef CHARSET_EBCDIC 1871 ebcdic2ascii(cbuf, cbuf, i); 1872 #endif 1873 } 1874 1875 write_ssl=1; 1876 read_tty=0; 1877 } 1878 } 1879 1880 ret=0; 1881 shut: 1882 if (in_init) 1883 print_stuff(bio_c_out,con,full_log); 1884 SSL_shutdown(con); 1885 SHUTDOWN(SSL_get_fd(con)); 1886 end: 1887 if (con != NULL) 1888 { 1889 if (prexit != 0) 1890 print_stuff(bio_c_out,con,1); 1891 SSL_free(con); 1892 } 1893 if (ctx != NULL) SSL_CTX_free(ctx); 1894 if (cert) 1895 X509_free(cert); 1896 if (key) 1897 EVP_PKEY_free(key); 1898 if (pass) 1899 OPENSSL_free(pass); 1900 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1901 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1902 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1903 if (bio_c_out != NULL) 1904 { 1905 BIO_free(bio_c_out); 1906 bio_c_out=NULL; 1907 } 1908 apps_shutdown(); 1909 OPENSSL_EXIT(ret); 1910 } 1911 1912 1913 static void print_stuff(BIO *bio, SSL *s, int full) 1914 { 1915 X509 *peer=NULL; 1916 char *p; 1917 static const char *space=" "; 1918 char buf[BUFSIZ]; 1919 STACK_OF(X509) *sk; 1920 STACK_OF(X509_NAME) *sk2; 1921 const SSL_CIPHER *c; 1922 X509_NAME *xn; 1923 int j,i; 1924 #ifndef OPENSSL_NO_COMP 1925 const COMP_METHOD *comp, *expansion; 1926 #endif 1927 unsigned char *exportedkeymat; 1928 1929 if (full) 1930 { 1931 int got_a_chain = 0; 1932 1933 sk=SSL_get_peer_cert_chain(s); 1934 if (sk != NULL) 1935 { 1936 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1937 1938 BIO_printf(bio,"---\nCertificate chain\n"); 1939 for (i=0; i<sk_X509_num(sk); i++) 1940 { 1941 X509_NAME_oneline(X509_get_subject_name( 1942 sk_X509_value(sk,i)),buf,sizeof buf); 1943 BIO_printf(bio,"%2d s:%s\n",i,buf); 1944 X509_NAME_oneline(X509_get_issuer_name( 1945 sk_X509_value(sk,i)),buf,sizeof buf); 1946 BIO_printf(bio," i:%s\n",buf); 1947 if (c_showcerts) 1948 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1949 } 1950 } 1951 1952 BIO_printf(bio,"---\n"); 1953 peer=SSL_get_peer_certificate(s); 1954 if (peer != NULL) 1955 { 1956 BIO_printf(bio,"Server certificate\n"); 1957 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1958 PEM_write_bio_X509(bio,peer); 1959 X509_NAME_oneline(X509_get_subject_name(peer), 1960 buf,sizeof buf); 1961 BIO_printf(bio,"subject=%s\n",buf); 1962 X509_NAME_oneline(X509_get_issuer_name(peer), 1963 buf,sizeof buf); 1964 BIO_printf(bio,"issuer=%s\n",buf); 1965 } 1966 else 1967 BIO_printf(bio,"no peer certificate available\n"); 1968 1969 sk2=SSL_get_client_CA_list(s); 1970 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1971 { 1972 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1973 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1974 { 1975 xn=sk_X509_NAME_value(sk2,i); 1976 X509_NAME_oneline(xn,buf,sizeof(buf)); 1977 BIO_write(bio,buf,strlen(buf)); 1978 BIO_write(bio,"\n",1); 1979 } 1980 } 1981 else 1982 { 1983 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 1984 } 1985 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 1986 if (p != NULL) 1987 { 1988 /* This works only for SSL 2. In later protocol 1989 * versions, the client does not know what other 1990 * ciphers (in addition to the one to be used 1991 * in the current connection) the server supports. */ 1992 1993 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 1994 j=i=0; 1995 while (*p) 1996 { 1997 if (*p == ':') 1998 { 1999 BIO_write(bio,space,15-j%25); 2000 i++; 2001 j=0; 2002 BIO_write(bio,((i%3)?" ":"\n"),1); 2003 } 2004 else 2005 { 2006 BIO_write(bio,p,1); 2007 j++; 2008 } 2009 p++; 2010 } 2011 BIO_write(bio,"\n",1); 2012 } 2013 2014 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2015 BIO_number_read(SSL_get_rbio(s)), 2016 BIO_number_written(SSL_get_wbio(s))); 2017 } 2018 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2019 c=SSL_get_current_cipher(s); 2020 BIO_printf(bio,"%s, Cipher is %s\n", 2021 SSL_CIPHER_get_version(c), 2022 SSL_CIPHER_get_name(c)); 2023 if (peer != NULL) { 2024 EVP_PKEY *pktmp; 2025 pktmp = X509_get_pubkey(peer); 2026 BIO_printf(bio,"Server public key is %d bit\n", 2027 EVP_PKEY_bits(pktmp)); 2028 EVP_PKEY_free(pktmp); 2029 } 2030 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2031 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2032 #ifndef OPENSSL_NO_COMP 2033 comp=SSL_get_current_compression(s); 2034 expansion=SSL_get_current_expansion(s); 2035 BIO_printf(bio,"Compression: %s\n", 2036 comp ? SSL_COMP_get_name(comp) : "NONE"); 2037 BIO_printf(bio,"Expansion: %s\n", 2038 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2039 #endif 2040 2041 #ifdef SSL_DEBUG 2042 { 2043 /* Print out local port of connection: useful for debugging */ 2044 int sock; 2045 struct sockaddr_in ladd; 2046 socklen_t ladd_size = sizeof(ladd); 2047 sock = SSL_get_fd(s); 2048 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2049 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2050 } 2051 #endif 2052 2053 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2054 if (next_proto.status != -1) { 2055 const unsigned char *proto; 2056 unsigned int proto_len; 2057 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2058 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2059 BIO_write(bio, proto, proto_len); 2060 BIO_write(bio, "\n", 1); 2061 } 2062 #endif 2063 2064 { 2065 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2066 2067 if(srtp_profile) 2068 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2069 srtp_profile->name); 2070 } 2071 2072 SSL_SESSION_print(bio,SSL_get_session(s)); 2073 if (keymatexportlabel != NULL) 2074 { 2075 BIO_printf(bio, "Keying material exporter:\n"); 2076 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2077 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2078 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2079 if (exportedkeymat != NULL) 2080 { 2081 if (!SSL_export_keying_material(s, exportedkeymat, 2082 keymatexportlen, 2083 keymatexportlabel, 2084 strlen(keymatexportlabel), 2085 NULL, 0, 0)) 2086 { 2087 BIO_printf(bio, " Error\n"); 2088 } 2089 else 2090 { 2091 BIO_printf(bio, " Keying material: "); 2092 for (i=0; i<keymatexportlen; i++) 2093 BIO_printf(bio, "%02X", 2094 exportedkeymat[i]); 2095 BIO_printf(bio, "\n"); 2096 } 2097 OPENSSL_free(exportedkeymat); 2098 } 2099 } 2100 BIO_printf(bio,"---\n"); 2101 if (peer != NULL) 2102 X509_free(peer); 2103 /* flush, or debugging output gets mixed with http response */ 2104 (void)BIO_flush(bio); 2105 } 2106 2107 #ifndef OPENSSL_NO_TLSEXT 2108 2109 static int ocsp_resp_cb(SSL *s, void *arg) 2110 { 2111 const unsigned char *p; 2112 int len; 2113 OCSP_RESPONSE *rsp; 2114 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2115 BIO_puts(arg, "OCSP response: "); 2116 if (!p) 2117 { 2118 BIO_puts(arg, "no response sent\n"); 2119 return 1; 2120 } 2121 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2122 if (!rsp) 2123 { 2124 BIO_puts(arg, "response parse error\n"); 2125 BIO_dump_indent(arg, (char *)p, len, 4); 2126 return 0; 2127 } 2128 BIO_puts(arg, "\n======================================\n"); 2129 OCSP_RESPONSE_print(arg, rsp, 0); 2130 BIO_puts(arg, "======================================\n"); 2131 OCSP_RESPONSE_free(rsp); 2132 return 1; 2133 } 2134 2135 #endif 2136
Indexes created Sat Feb 28 05:31:39 UTC 2026