s_client.c revision 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 # 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 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 /* ndef OPENSSL_NO_NEXTPROTONEG */ 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 int fdin, fdout; 567 short port=PORT; 568 int full_log=1; 569 char *host=SSL_HOST_NAME; 570 char *cert_file=NULL,*key_file=NULL; 571 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 572 char *passarg = NULL, *pass = NULL; 573 X509 *cert = NULL; 574 EVP_PKEY *key = NULL; 575 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 576 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 577 int crlf=0; 578 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 579 SSL_CTX *ctx=NULL; 580 int ret=1,in_init=1,i,nbio_test=0; 581 int starttls_proto = PROTO_OFF; 582 int prexit = 0; 583 X509_VERIFY_PARAM *vpm = NULL; 584 int badarg = 0; 585 const SSL_METHOD *meth=NULL; 586 int socket_type=SOCK_STREAM; 587 BIO *sbio; 588 char *inrand=NULL; 589 int mbuf_len=0; 590 struct timeval timeout, *timeoutp; 591 #ifndef OPENSSL_NO_ENGINE 592 char *engine_id=NULL; 593 char *ssl_client_engine_id=NULL; 594 ENGINE *ssl_client_engine=NULL; 595 #endif 596 ENGINE *e=NULL; 597 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 598 struct timeval tv; 599 #if defined(OPENSSL_SYS_BEOS_R5) 600 int stdin_set = 0; 601 #endif 602 #endif 603 #ifndef OPENSSL_NO_TLSEXT 604 char *servername = NULL; 605 tlsextctx tlsextcbp = 606 {NULL,0}; 607 # ifndef OPENSSL_NO_NEXTPROTONEG 608 const char *next_proto_neg_in = NULL; 609 # endif 610 #endif 611 char *sess_in = NULL; 612 char *sess_out = NULL; 613 struct sockaddr peer; 614 int peerlen = sizeof(peer); 615 int enable_timeouts = 0 ; 616 long socket_mtu = 0; 617 #ifndef OPENSSL_NO_JPAKE 618 char *jpake_secret = NULL; 619 #endif 620 #ifndef OPENSSL_NO_SRP 621 char * srppass = NULL; 622 int srp_lateuser = 0; 623 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 624 #endif 625 626 meth=SSLv23_client_method(); 627 628 apps_startup(); 629 c_Pause=0; 630 c_quiet=0; 631 c_ign_eof=0; 632 c_debug=0; 633 c_msg=0; 634 c_showcerts=0; 635 636 if (bio_err == NULL) 637 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 638 639 if (!load_config(bio_err, NULL)) 640 goto end; 641 642 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 643 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 644 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 645 { 646 BIO_printf(bio_err,"out of memory\n"); 647 goto end; 648 } 649 650 verify_depth=0; 651 verify_error=X509_V_OK; 652 #ifdef FIONBIO 653 c_nbio=0; 654 #endif 655 656 argc--; 657 argv++; 658 while (argc >= 1) 659 { 660 if (strcmp(*argv,"-host") == 0) 661 { 662 if (--argc < 1) goto bad; 663 host= *(++argv); 664 } 665 else if (strcmp(*argv,"-port") == 0) 666 { 667 if (--argc < 1) goto bad; 668 port=atoi(*(++argv)); 669 if (port == 0) goto bad; 670 } 671 else if (strcmp(*argv,"-connect") == 0) 672 { 673 if (--argc < 1) goto bad; 674 if (!extract_host_port(*(++argv),&host,NULL,&port)) 675 goto bad; 676 } 677 else if (strcmp(*argv,"-verify") == 0) 678 { 679 verify=SSL_VERIFY_PEER; 680 if (--argc < 1) goto bad; 681 verify_depth=atoi(*(++argv)); 682 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 683 } 684 else if (strcmp(*argv,"-cert") == 0) 685 { 686 if (--argc < 1) goto bad; 687 cert_file= *(++argv); 688 } 689 else if (strcmp(*argv,"-sess_out") == 0) 690 { 691 if (--argc < 1) goto bad; 692 sess_out = *(++argv); 693 } 694 else if (strcmp(*argv,"-sess_in") == 0) 695 { 696 if (--argc < 1) goto bad; 697 sess_in = *(++argv); 698 } 699 else if (strcmp(*argv,"-certform") == 0) 700 { 701 if (--argc < 1) goto bad; 702 cert_format = str2fmt(*(++argv)); 703 } 704 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 705 { 706 if (badarg) 707 goto bad; 708 continue; 709 } 710 else if (strcmp(*argv,"-verify_return_error") == 0) 711 verify_return_error = 1; 712 else if (strcmp(*argv,"-prexit") == 0) 713 prexit=1; 714 else if (strcmp(*argv,"-crlf") == 0) 715 crlf=1; 716 else if (strcmp(*argv,"-quiet") == 0) 717 { 718 c_quiet=1; 719 c_ign_eof=1; 720 } 721 else if (strcmp(*argv,"-ign_eof") == 0) 722 c_ign_eof=1; 723 else if (strcmp(*argv,"-no_ign_eof") == 0) 724 c_ign_eof=0; 725 else if (strcmp(*argv,"-pause") == 0) 726 c_Pause=1; 727 else if (strcmp(*argv,"-debug") == 0) 728 c_debug=1; 729 #ifndef OPENSSL_NO_TLSEXT 730 else if (strcmp(*argv,"-tlsextdebug") == 0) 731 c_tlsextdebug=1; 732 else if (strcmp(*argv,"-status") == 0) 733 c_status_req=1; 734 #endif 735 #ifdef WATT32 736 else if (strcmp(*argv,"-wdebug") == 0) 737 dbug_init(); 738 #endif 739 else if (strcmp(*argv,"-msg") == 0) 740 c_msg=1; 741 else if (strcmp(*argv,"-showcerts") == 0) 742 c_showcerts=1; 743 else if (strcmp(*argv,"-nbio_test") == 0) 744 nbio_test=1; 745 else if (strcmp(*argv,"-state") == 0) 746 state=1; 747 #ifndef OPENSSL_NO_PSK 748 else if (strcmp(*argv,"-psk_identity") == 0) 749 { 750 if (--argc < 1) goto bad; 751 psk_identity=*(++argv); 752 } 753 else if (strcmp(*argv,"-psk") == 0) 754 { 755 size_t j; 756 757 if (--argc < 1) goto bad; 758 psk_key=*(++argv); 759 for (j = 0; j < strlen(psk_key); j++) 760 { 761 if (isxdigit((unsigned char)psk_key[j])) 762 continue; 763 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 764 goto bad; 765 } 766 } 767 #endif 768 #ifndef OPENSSL_NO_SRP 769 else if (strcmp(*argv,"-srpuser") == 0) 770 { 771 if (--argc < 1) goto bad; 772 srp_arg.srplogin= *(++argv); 773 meth=TLSv1_client_method(); 774 } 775 else if (strcmp(*argv,"-srppass") == 0) 776 { 777 if (--argc < 1) goto bad; 778 srppass= *(++argv); 779 meth=TLSv1_client_method(); 780 } 781 else if (strcmp(*argv,"-srp_strength") == 0) 782 { 783 if (--argc < 1) goto bad; 784 srp_arg.strength=atoi(*(++argv)); 785 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 786 meth=TLSv1_client_method(); 787 } 788 else if (strcmp(*argv,"-srp_lateuser") == 0) 789 { 790 srp_lateuser= 1; 791 meth=TLSv1_client_method(); 792 } 793 else if (strcmp(*argv,"-srp_moregroups") == 0) 794 { 795 srp_arg.amp=1; 796 meth=TLSv1_client_method(); 797 } 798 #endif 799 #ifndef OPENSSL_NO_SSL2 800 else if (strcmp(*argv,"-ssl2") == 0) 801 meth=SSLv2_client_method(); 802 #endif 803 #ifndef OPENSSL_NO_SSL3 804 else if (strcmp(*argv,"-ssl3") == 0) 805 meth=SSLv3_client_method(); 806 #endif 807 #ifndef OPENSSL_NO_TLS1 808 else if (strcmp(*argv,"-tls1_2") == 0) 809 meth=TLSv1_2_client_method(); 810 else if (strcmp(*argv,"-tls1_1") == 0) 811 meth=TLSv1_1_client_method(); 812 else if (strcmp(*argv,"-tls1") == 0) 813 meth=TLSv1_client_method(); 814 #endif 815 #ifndef OPENSSL_NO_DTLS1 816 else if (strcmp(*argv,"-dtls1") == 0) 817 { 818 meth=DTLSv1_client_method(); 819 socket_type=SOCK_DGRAM; 820 } 821 else if (strcmp(*argv,"-timeout") == 0) 822 enable_timeouts=1; 823 else if (strcmp(*argv,"-mtu") == 0) 824 { 825 if (--argc < 1) goto bad; 826 socket_mtu = atol(*(++argv)); 827 } 828 #endif 829 else if (strcmp(*argv,"-bugs") == 0) 830 bugs=1; 831 else if (strcmp(*argv,"-keyform") == 0) 832 { 833 if (--argc < 1) goto bad; 834 key_format = str2fmt(*(++argv)); 835 } 836 else if (strcmp(*argv,"-pass") == 0) 837 { 838 if (--argc < 1) goto bad; 839 passarg = *(++argv); 840 } 841 else if (strcmp(*argv,"-key") == 0) 842 { 843 if (--argc < 1) goto bad; 844 key_file= *(++argv); 845 } 846 else if (strcmp(*argv,"-reconnect") == 0) 847 { 848 reconnect=5; 849 } 850 else if (strcmp(*argv,"-CApath") == 0) 851 { 852 if (--argc < 1) goto bad; 853 CApath= *(++argv); 854 } 855 else if (strcmp(*argv,"-CAfile") == 0) 856 { 857 if (--argc < 1) goto bad; 858 CAfile= *(++argv); 859 } 860 else if (strcmp(*argv,"-no_tls1_2") == 0) 861 off|=SSL_OP_NO_TLSv1_2; 862 else if (strcmp(*argv,"-no_tls1_1") == 0) 863 off|=SSL_OP_NO_TLSv1_1; 864 else if (strcmp(*argv,"-no_tls1") == 0) 865 off|=SSL_OP_NO_TLSv1; 866 else if (strcmp(*argv,"-no_ssl3") == 0) 867 off|=SSL_OP_NO_SSLv3; 868 else if (strcmp(*argv,"-no_ssl2") == 0) 869 off|=SSL_OP_NO_SSLv2; 870 else if (strcmp(*argv,"-no_comp") == 0) 871 { off|=SSL_OP_NO_COMPRESSION; } 872 #ifndef OPENSSL_NO_TLSEXT 873 else if (strcmp(*argv,"-no_ticket") == 0) 874 { off|=SSL_OP_NO_TICKET; } 875 # ifndef OPENSSL_NO_NEXTPROTONEG 876 else if (strcmp(*argv,"-nextprotoneg") == 0) 877 { 878 if (--argc < 1) goto bad; 879 next_proto_neg_in = *(++argv); 880 } 881 # endif 882 #endif 883 else if (strcmp(*argv,"-serverpref") == 0) 884 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 885 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 886 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 887 else if (strcmp(*argv,"-legacy_server_connect") == 0) 888 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 889 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 890 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 891 else if (strcmp(*argv,"-cipher") == 0) 892 { 893 if (--argc < 1) goto bad; 894 cipher= *(++argv); 895 } 896 #ifdef FIONBIO 897 else if (strcmp(*argv,"-nbio") == 0) 898 { c_nbio=1; } 899 #endif 900 else if (strcmp(*argv,"-starttls") == 0) 901 { 902 if (--argc < 1) goto bad; 903 ++argv; 904 if (strcmp(*argv,"smtp") == 0) 905 starttls_proto = PROTO_SMTP; 906 else if (strcmp(*argv,"pop3") == 0) 907 starttls_proto = PROTO_POP3; 908 else if (strcmp(*argv,"imap") == 0) 909 starttls_proto = PROTO_IMAP; 910 else if (strcmp(*argv,"ftp") == 0) 911 starttls_proto = PROTO_FTP; 912 else if (strcmp(*argv, "xmpp") == 0) 913 starttls_proto = PROTO_XMPP; 914 else 915 goto bad; 916 } 917 #ifndef OPENSSL_NO_ENGINE 918 else if (strcmp(*argv,"-engine") == 0) 919 { 920 if (--argc < 1) goto bad; 921 engine_id = *(++argv); 922 } 923 else if (strcmp(*argv,"-ssl_client_engine") == 0) 924 { 925 if (--argc < 1) goto bad; 926 ssl_client_engine_id = *(++argv); 927 } 928 #endif 929 else if (strcmp(*argv,"-rand") == 0) 930 { 931 if (--argc < 1) goto bad; 932 inrand= *(++argv); 933 } 934 #ifndef OPENSSL_NO_TLSEXT 935 else if (strcmp(*argv,"-servername") == 0) 936 { 937 if (--argc < 1) goto bad; 938 servername= *(++argv); 939 /* meth=TLSv1_client_method(); */ 940 } 941 #endif 942 #ifndef OPENSSL_NO_JPAKE 943 else if (strcmp(*argv,"-jpake") == 0) 944 { 945 if (--argc < 1) goto bad; 946 jpake_secret = *++argv; 947 } 948 #endif 949 else if (strcmp(*argv,"-use_srtp") == 0) 950 { 951 if (--argc < 1) goto bad; 952 srtp_profiles = *(++argv); 953 } 954 else if (strcmp(*argv,"-keymatexport") == 0) 955 { 956 if (--argc < 1) goto bad; 957 keymatexportlabel= *(++argv); 958 } 959 else if (strcmp(*argv,"-keymatexportlen") == 0) 960 { 961 if (--argc < 1) goto bad; 962 keymatexportlen=atoi(*(++argv)); 963 if (keymatexportlen == 0) goto bad; 964 } 965 else 966 { 967 BIO_printf(bio_err,"unknown option %s\n",*argv); 968 badop=1; 969 break; 970 } 971 argc--; 972 argv++; 973 } 974 if (badop) 975 { 976 bad: 977 sc_usage(); 978 goto end; 979 } 980 981 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 982 if (jpake_secret) 983 { 984 if (psk_key) 985 { 986 BIO_printf(bio_err, 987 "Can't use JPAKE and PSK together\n"); 988 goto end; 989 } 990 psk_identity = "JPAKE"; 991 if (cipher) 992 { 993 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 994 goto end; 995 } 996 cipher = "PSK"; 997 } 998 #endif 999 1000 OpenSSL_add_ssl_algorithms(); 1001 SSL_load_error_strings(); 1002 1003 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1004 next_proto.status = -1; 1005 if (next_proto_neg_in) 1006 { 1007 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1008 if (next_proto.data == NULL) 1009 { 1010 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1011 goto end; 1012 } 1013 } 1014 else 1015 next_proto.data = NULL; 1016 #endif 1017 1018 #ifndef OPENSSL_NO_ENGINE 1019 e = setup_engine(bio_err, engine_id, 1); 1020 if (ssl_client_engine_id) 1021 { 1022 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1023 if (!ssl_client_engine) 1024 { 1025 BIO_printf(bio_err, 1026 "Error getting client auth engine\n"); 1027 goto end; 1028 } 1029 } 1030 1031 #endif 1032 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1033 { 1034 BIO_printf(bio_err, "Error getting password\n"); 1035 goto end; 1036 } 1037 1038 if (key_file == NULL) 1039 key_file = cert_file; 1040 1041 1042 if (key_file) 1043 1044 { 1045 1046 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1047 "client certificate private key file"); 1048 if (!key) 1049 { 1050 ERR_print_errors(bio_err); 1051 goto end; 1052 } 1053 1054 } 1055 1056 if (cert_file) 1057 1058 { 1059 cert = load_cert(bio_err,cert_file,cert_format, 1060 NULL, e, "client certificate file"); 1061 1062 if (!cert) 1063 { 1064 ERR_print_errors(bio_err); 1065 goto end; 1066 } 1067 } 1068 1069 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1070 && !RAND_status()) 1071 { 1072 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1073 } 1074 if (inrand != NULL) 1075 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1076 app_RAND_load_files(inrand)); 1077 1078 if (bio_c_out == NULL) 1079 { 1080 if (c_quiet && !c_debug && !c_msg) 1081 { 1082 bio_c_out=BIO_new(BIO_s_null()); 1083 } 1084 else 1085 { 1086 if (bio_c_out == NULL) 1087 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1088 } 1089 } 1090 1091 #ifndef OPENSSL_NO_SRP 1092 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1093 { 1094 BIO_printf(bio_err, "Error getting password\n"); 1095 goto end; 1096 } 1097 #endif 1098 1099 ctx=SSL_CTX_new(meth); 1100 if (ctx == NULL) 1101 { 1102 ERR_print_errors(bio_err); 1103 goto end; 1104 } 1105 1106 if (vpm) 1107 SSL_CTX_set1_param(ctx, vpm); 1108 1109 #ifndef OPENSSL_NO_ENGINE 1110 if (ssl_client_engine) 1111 { 1112 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1113 { 1114 BIO_puts(bio_err, "Error setting client auth engine\n"); 1115 ERR_print_errors(bio_err); 1116 ENGINE_free(ssl_client_engine); 1117 goto end; 1118 } 1119 ENGINE_free(ssl_client_engine); 1120 } 1121 #endif 1122 1123 #ifndef OPENSSL_NO_PSK 1124 #ifdef OPENSSL_NO_JPAKE 1125 if (psk_key != NULL) 1126 #else 1127 if (psk_key != NULL || jpake_secret) 1128 #endif 1129 { 1130 if (c_debug) 1131 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1132 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1133 } 1134 if (srtp_profiles != NULL) 1135 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1136 #endif 1137 if (bugs) 1138 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1139 else 1140 SSL_CTX_set_options(ctx,off); 1141 1142 if (clr) 1143 SSL_CTX_clear_options(ctx, clr); 1144 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1145 * Setting read ahead solves this problem. 1146 */ 1147 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1148 1149 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1150 if (next_proto.data) 1151 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1152 #endif 1153 1154 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1155 if (cipher != NULL) 1156 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1157 BIO_printf(bio_err,"error setting cipher list\n"); 1158 ERR_print_errors(bio_err); 1159 goto end; 1160 } 1161 #if 0 1162 else 1163 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1164 #endif 1165 1166 SSL_CTX_set_verify(ctx,verify,verify_callback); 1167 if (!set_cert_key_stuff(ctx,cert,key)) 1168 goto end; 1169 1170 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1171 (!SSL_CTX_set_default_verify_paths(ctx))) 1172 { 1173 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1174 ERR_print_errors(bio_err); 1175 /* goto end; */ 1176 } 1177 1178 #ifndef OPENSSL_NO_TLSEXT 1179 if (servername != NULL) 1180 { 1181 tlsextcbp.biodebug = bio_err; 1182 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1183 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1184 } 1185 #ifndef OPENSSL_NO_SRP 1186 if (srp_arg.srplogin) 1187 { 1188 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1189 { 1190 BIO_printf(bio_err,"Unable to set SRP username\n"); 1191 goto end; 1192 } 1193 srp_arg.msg = c_msg; 1194 srp_arg.debug = c_debug ; 1195 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1196 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1197 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1198 if (c_msg || c_debug || srp_arg.amp == 0) 1199 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1200 } 1201 1202 #endif 1203 #endif 1204 1205 con=SSL_new(ctx); 1206 if (sess_in) 1207 { 1208 SSL_SESSION *sess; 1209 BIO *stmp = BIO_new_file(sess_in, "r"); 1210 if (!stmp) 1211 { 1212 BIO_printf(bio_err, "Can't open session file %s\n", 1213 sess_in); 1214 ERR_print_errors(bio_err); 1215 goto end; 1216 } 1217 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1218 BIO_free(stmp); 1219 if (!sess) 1220 { 1221 BIO_printf(bio_err, "Can't open session file %s\n", 1222 sess_in); 1223 ERR_print_errors(bio_err); 1224 goto end; 1225 } 1226 SSL_set_session(con, sess); 1227 SSL_SESSION_free(sess); 1228 } 1229 #ifndef OPENSSL_NO_TLSEXT 1230 if (servername != NULL) 1231 { 1232 if (!SSL_set_tlsext_host_name(con,servername)) 1233 { 1234 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1235 ERR_print_errors(bio_err); 1236 goto end; 1237 } 1238 } 1239 #endif 1240 #ifndef OPENSSL_NO_KRB5 1241 if (con && (kctx = kssl_ctx_new()) != NULL) 1242 { 1243 SSL_set0_kssl_ctx(con, kctx); 1244 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1245 } 1246 #endif /* OPENSSL_NO_KRB5 */ 1247 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1248 #if 0 1249 #ifdef TLSEXT_TYPE_opaque_prf_input 1250 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1251 #endif 1252 #endif 1253 1254 re_start: 1255 1256 if (init_client(&s,host,port,socket_type) == 0) 1257 { 1258 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1259 SHUTDOWN(s); 1260 goto end; 1261 } 1262 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1263 1264 #ifdef FIONBIO 1265 if (c_nbio) 1266 { 1267 unsigned long l=1; 1268 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1269 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1270 { 1271 ERR_print_errors(bio_err); 1272 goto end; 1273 } 1274 } 1275 #endif 1276 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1277 1278 if ( SSL_version(con) == DTLS1_VERSION) 1279 { 1280 1281 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1282 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1283 { 1284 BIO_printf(bio_err, "getsockname:errno=%d\n", 1285 get_last_socket_error()); 1286 SHUTDOWN(s); 1287 goto end; 1288 } 1289 1290 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1291 1292 if (enable_timeouts) 1293 { 1294 timeout.tv_sec = 0; 1295 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1296 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1297 1298 timeout.tv_sec = 0; 1299 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1300 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1301 } 1302 1303 if (socket_mtu > 28) 1304 { 1305 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1306 SSL_set_mtu(con, socket_mtu - 28); 1307 } 1308 else 1309 /* want to do MTU discovery */ 1310 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1311 } 1312 else 1313 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1314 1315 if (nbio_test) 1316 { 1317 BIO *test; 1318 1319 test=BIO_new(BIO_f_nbio_test()); 1320 sbio=BIO_push(test,sbio); 1321 } 1322 1323 if (c_debug) 1324 { 1325 SSL_set_debug(con, 1); 1326 BIO_set_callback(sbio,bio_dump_callback); 1327 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1328 } 1329 if (c_msg) 1330 { 1331 SSL_set_msg_callback(con, msg_cb); 1332 SSL_set_msg_callback_arg(con, bio_c_out); 1333 } 1334 #ifndef OPENSSL_NO_TLSEXT 1335 if (c_tlsextdebug) 1336 { 1337 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1338 SSL_set_tlsext_debug_arg(con, bio_c_out); 1339 } 1340 if (c_status_req) 1341 { 1342 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1343 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1344 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1345 #if 0 1346 { 1347 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1348 OCSP_RESPID *id = OCSP_RESPID_new(); 1349 id->value.byKey = ASN1_OCTET_STRING_new(); 1350 id->type = V_OCSP_RESPID_KEY; 1351 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1352 sk_OCSP_RESPID_push(ids, id); 1353 SSL_set_tlsext_status_ids(con, ids); 1354 } 1355 #endif 1356 } 1357 #endif 1358 #ifndef OPENSSL_NO_JPAKE 1359 if (jpake_secret) 1360 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1361 #endif 1362 1363 SSL_set_bio(con,sbio,sbio); 1364 SSL_set_connect_state(con); 1365 1366 /* ok, lets connect */ 1367 width=SSL_get_fd(con)+1; 1368 1369 read_tty=1; 1370 write_tty=0; 1371 tty_on=0; 1372 read_ssl=1; 1373 write_ssl=1; 1374 1375 cbuf_len=0; 1376 cbuf_off=0; 1377 sbuf_len=0; 1378 sbuf_off=0; 1379 1380 /* This is an ugly hack that does a lot of assumptions */ 1381 /* We do have to handle multi-line responses which may come 1382 in a single packet or not. We therefore have to use 1383 BIO_gets() which does need a buffering BIO. So during 1384 the initial chitchat we do push a buffering BIO into the 1385 chain that is removed again later on to not disturb the 1386 rest of the s_client operation. */ 1387 if (starttls_proto == PROTO_SMTP) 1388 { 1389 int foundit=0; 1390 BIO *fbio = BIO_new(BIO_f_buffer()); 1391 BIO_push(fbio, sbio); 1392 /* wait for multi-line response to end from SMTP */ 1393 do 1394 { 1395 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1396 } 1397 while (mbuf_len>3 && mbuf[3]=='-'); 1398 /* STARTTLS command requires EHLO... */ 1399 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1400 (void)BIO_flush(fbio); 1401 /* wait for multi-line response to end EHLO SMTP response */ 1402 do 1403 { 1404 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1405 if (strstr(mbuf,"STARTTLS")) 1406 foundit=1; 1407 } 1408 while (mbuf_len>3 && mbuf[3]=='-'); 1409 (void)BIO_flush(fbio); 1410 BIO_pop(fbio); 1411 BIO_free(fbio); 1412 if (!foundit) 1413 BIO_printf(bio_err, 1414 "didn't found starttls in server response," 1415 " try anyway...\n"); 1416 BIO_printf(sbio,"STARTTLS\r\n"); 1417 BIO_read(sbio,sbuf,BUFSIZZ); 1418 } 1419 else if (starttls_proto == PROTO_POP3) 1420 { 1421 BIO_read(sbio,mbuf,BUFSIZZ); 1422 BIO_printf(sbio,"STLS\r\n"); 1423 BIO_read(sbio,sbuf,BUFSIZZ); 1424 } 1425 else if (starttls_proto == PROTO_IMAP) 1426 { 1427 int foundit=0; 1428 BIO *fbio = BIO_new(BIO_f_buffer()); 1429 BIO_push(fbio, sbio); 1430 BIO_gets(fbio,mbuf,BUFSIZZ); 1431 /* STARTTLS command requires CAPABILITY... */ 1432 BIO_printf(fbio,". CAPABILITY\r\n"); 1433 (void)BIO_flush(fbio); 1434 /* wait for multi-line CAPABILITY response */ 1435 do 1436 { 1437 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1438 if (strstr(mbuf,"STARTTLS")) 1439 foundit=1; 1440 } 1441 while (mbuf_len>3 && mbuf[0]!='.'); 1442 (void)BIO_flush(fbio); 1443 BIO_pop(fbio); 1444 BIO_free(fbio); 1445 if (!foundit) 1446 BIO_printf(bio_err, 1447 "didn't found STARTTLS in server response," 1448 " try anyway...\n"); 1449 BIO_printf(sbio,". STARTTLS\r\n"); 1450 BIO_read(sbio,sbuf,BUFSIZZ); 1451 } 1452 else if (starttls_proto == PROTO_FTP) 1453 { 1454 BIO *fbio = BIO_new(BIO_f_buffer()); 1455 BIO_push(fbio, sbio); 1456 /* wait for multi-line response to end from FTP */ 1457 do 1458 { 1459 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1460 } 1461 while (mbuf_len>3 && mbuf[3]=='-'); 1462 (void)BIO_flush(fbio); 1463 BIO_pop(fbio); 1464 BIO_free(fbio); 1465 BIO_printf(sbio,"AUTH TLS\r\n"); 1466 BIO_read(sbio,sbuf,BUFSIZZ); 1467 } 1468 if (starttls_proto == PROTO_XMPP) 1469 { 1470 int seen = 0; 1471 BIO_printf(sbio,"<stream:stream " 1472 "xmlns:stream='http://etherx.jabber.org/streams' " 1473 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1474 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1475 mbuf[seen] = 0; 1476 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1477 { 1478 if (strstr(mbuf, "/stream:features>")) 1479 goto shut; 1480 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1481 mbuf[seen] = 0; 1482 } 1483 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1484 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1485 sbuf[seen] = 0; 1486 if (!strstr(sbuf, "<proceed")) 1487 goto shut; 1488 mbuf[0] = 0; 1489 } 1490 1491 for (;;) 1492 { 1493 FD_ZERO(&readfds); 1494 FD_ZERO(&writefds); 1495 fdin = fileno(stdin); 1496 if (fdin < 0) 1497 { 1498 BIO_printf(bio_err,"bad fileno for stdin\n"); 1499 goto shut; 1500 } 1501 fdout = fileno(stdout); 1502 if (fdout < 0) 1503 { 1504 BIO_printf(bio_err,"bad fileno for stdout\n"); 1505 goto shut; 1506 } 1507 1508 if ((SSL_version(con) == DTLS1_VERSION) && 1509 DTLSv1_get_timeout(con, &timeout)) 1510 timeoutp = &timeout; 1511 else 1512 timeoutp = NULL; 1513 1514 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1515 { 1516 in_init=1; 1517 tty_on=0; 1518 } 1519 else 1520 { 1521 tty_on=1; 1522 if (in_init) 1523 { 1524 in_init=0; 1525 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1526 #ifndef OPENSSL_NO_TLSEXT 1527 if (servername != NULL && !SSL_session_reused(con)) 1528 { 1529 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1530 } 1531 #endif 1532 #endif 1533 if (sess_out) 1534 { 1535 BIO *stmp = BIO_new_file(sess_out, "w"); 1536 if (stmp) 1537 { 1538 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1539 BIO_free(stmp); 1540 } 1541 else 1542 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1543 } 1544 print_stuff(bio_c_out,con,full_log); 1545 if (full_log > 0) full_log--; 1546 1547 if (starttls_proto) 1548 { 1549 BIO_printf(bio_err,"%s",mbuf); 1550 /* We don't need to know any more */ 1551 starttls_proto = PROTO_OFF; 1552 } 1553 1554 if (reconnect) 1555 { 1556 reconnect--; 1557 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1558 SSL_shutdown(con); 1559 SSL_set_connect_state(con); 1560 SHUTDOWN(SSL_get_fd(con)); 1561 goto re_start; 1562 } 1563 } 1564 } 1565 1566 ssl_pending = read_ssl && SSL_pending(con); 1567 1568 if (!ssl_pending) 1569 { 1570 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1571 if (tty_on) 1572 { 1573 if (read_tty) openssl_fdset(fdin,&readfds); 1574 if (write_tty) openssl_fdset(fdout,&writefds); 1575 } 1576 if (read_ssl) 1577 openssl_fdset(SSL_get_fd(con),&readfds); 1578 if (write_ssl) 1579 openssl_fdset(SSL_get_fd(con),&writefds); 1580 #else 1581 if(!tty_on || !write_tty) { 1582 if (read_ssl) 1583 openssl_fdset(SSL_get_fd(con),&readfds); 1584 if (write_ssl) 1585 openssl_fdset(SSL_get_fd(con),&writefds); 1586 } 1587 #endif 1588 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1589 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1590 1591 /* Note: under VMS with SOCKETSHR the second parameter 1592 * is currently of type (int *) whereas under other 1593 * systems it is (void *) if you don't have a cast it 1594 * will choke the compiler: if you do have a cast then 1595 * you can either go for (int *) or (void *). 1596 */ 1597 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1598 /* Under Windows/DOS we make the assumption that we can 1599 * always write to the tty: therefore if we need to 1600 * write to the tty we just fall through. Otherwise 1601 * we timeout the select every second and see if there 1602 * are any keypresses. Note: this is a hack, in a proper 1603 * Windows application we wouldn't do this. 1604 */ 1605 i=0; 1606 if(!write_tty) { 1607 if(read_tty) { 1608 tv.tv_sec = 1; 1609 tv.tv_usec = 0; 1610 i=select(width,(void *)&readfds,(void *)&writefds, 1611 NULL,&tv); 1612 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1613 if(!i && (!_kbhit() || !read_tty) ) continue; 1614 #else 1615 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1616 #endif 1617 } else i=select(width,(void *)&readfds,(void *)&writefds, 1618 NULL,timeoutp); 1619 } 1620 #elif defined(OPENSSL_SYS_NETWARE) 1621 if(!write_tty) { 1622 if(read_tty) { 1623 tv.tv_sec = 1; 1624 tv.tv_usec = 0; 1625 i=select(width,(void *)&readfds,(void *)&writefds, 1626 NULL,&tv); 1627 } else i=select(width,(void *)&readfds,(void *)&writefds, 1628 NULL,timeoutp); 1629 } 1630 #elif defined(OPENSSL_SYS_BEOS_R5) 1631 /* Under BeOS-R5 the situation is similar to DOS */ 1632 i=0; 1633 stdin_set = 0; 1634 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 1635 if(!write_tty) { 1636 if(read_tty) { 1637 tv.tv_sec = 1; 1638 tv.tv_usec = 0; 1639 i=select(width,(void *)&readfds,(void *)&writefds, 1640 NULL,&tv); 1641 if (read(fdin, sbuf, 0) >= 0) 1642 stdin_set = 1; 1643 if (!i && (stdin_set != 1 || !read_tty)) 1644 continue; 1645 } else i=select(width,(void *)&readfds,(void *)&writefds, 1646 NULL,timeoutp); 1647 } 1648 (void)fcntl(fdin, F_SETFL, 0); 1649 #else 1650 i=select(width,(void *)&readfds,(void *)&writefds, 1651 NULL,timeoutp); 1652 #endif 1653 if ( i < 0) 1654 { 1655 BIO_printf(bio_err,"bad select %d\n", 1656 get_last_socket_error()); 1657 goto shut; 1658 /* goto end; */ 1659 } 1660 } 1661 1662 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1663 { 1664 BIO_printf(bio_err,"TIMEOUT occured\n"); 1665 } 1666 1667 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1668 { 1669 k=SSL_write(con,&(cbuf[cbuf_off]), 1670 (unsigned int)cbuf_len); 1671 switch (SSL_get_error(con,k)) 1672 { 1673 case SSL_ERROR_NONE: 1674 cbuf_off+=k; 1675 cbuf_len-=k; 1676 if (k <= 0) goto end; 1677 /* we have done a write(con,NULL,0); */ 1678 if (cbuf_len <= 0) 1679 { 1680 read_tty=1; 1681 write_ssl=0; 1682 } 1683 else /* if (cbuf_len > 0) */ 1684 { 1685 read_tty=0; 1686 write_ssl=1; 1687 } 1688 break; 1689 case SSL_ERROR_WANT_WRITE: 1690 BIO_printf(bio_c_out,"write W BLOCK\n"); 1691 write_ssl=1; 1692 read_tty=0; 1693 break; 1694 case SSL_ERROR_WANT_READ: 1695 BIO_printf(bio_c_out,"write R BLOCK\n"); 1696 write_tty=0; 1697 read_ssl=1; 1698 write_ssl=0; 1699 break; 1700 case SSL_ERROR_WANT_X509_LOOKUP: 1701 BIO_printf(bio_c_out,"write X BLOCK\n"); 1702 break; 1703 case SSL_ERROR_ZERO_RETURN: 1704 if (cbuf_len != 0) 1705 { 1706 BIO_printf(bio_c_out,"shutdown\n"); 1707 ret = 0; 1708 goto shut; 1709 } 1710 else 1711 { 1712 read_tty=1; 1713 write_ssl=0; 1714 break; 1715 } 1716 1717 case SSL_ERROR_SYSCALL: 1718 if ((k != 0) || (cbuf_len != 0)) 1719 { 1720 BIO_printf(bio_err,"write:errno=%d\n", 1721 get_last_socket_error()); 1722 goto shut; 1723 } 1724 else 1725 { 1726 read_tty=1; 1727 write_ssl=0; 1728 } 1729 break; 1730 case SSL_ERROR_SSL: 1731 ERR_print_errors(bio_err); 1732 goto shut; 1733 } 1734 } 1735 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1736 /* Assume Windows/DOS/BeOS can always write */ 1737 else if (!ssl_pending && write_tty) 1738 #else 1739 else if (!ssl_pending && FD_ISSET(fdout,&writefds)) 1740 #endif 1741 { 1742 #ifdef CHARSET_EBCDIC 1743 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1744 #endif 1745 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1746 1747 if (i <= 0) 1748 { 1749 BIO_printf(bio_c_out,"DONE\n"); 1750 ret = 0; 1751 goto shut; 1752 /* goto end; */ 1753 } 1754 1755 sbuf_len-=i;; 1756 sbuf_off+=i; 1757 if (sbuf_len <= 0) 1758 { 1759 read_ssl=1; 1760 write_tty=0; 1761 } 1762 } 1763 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1764 { 1765 #ifdef RENEG 1766 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1767 #endif 1768 #if 1 1769 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1770 #else 1771 /* Demo for pending and peek :-) */ 1772 k=SSL_read(con,sbuf,16); 1773 { char zbuf[10240]; 1774 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1775 } 1776 #endif 1777 1778 switch (SSL_get_error(con,k)) 1779 { 1780 case SSL_ERROR_NONE: 1781 if (k <= 0) 1782 goto end; 1783 sbuf_off=0; 1784 sbuf_len=k; 1785 1786 read_ssl=0; 1787 write_tty=1; 1788 break; 1789 case SSL_ERROR_WANT_WRITE: 1790 BIO_printf(bio_c_out,"read W BLOCK\n"); 1791 write_ssl=1; 1792 read_tty=0; 1793 break; 1794 case SSL_ERROR_WANT_READ: 1795 BIO_printf(bio_c_out,"read R BLOCK\n"); 1796 write_tty=0; 1797 read_ssl=1; 1798 if ((read_tty == 0) && (write_ssl == 0)) 1799 write_ssl=1; 1800 break; 1801 case SSL_ERROR_WANT_X509_LOOKUP: 1802 BIO_printf(bio_c_out,"read X BLOCK\n"); 1803 break; 1804 case SSL_ERROR_SYSCALL: 1805 ret=get_last_socket_error(); 1806 BIO_printf(bio_err,"read:errno=%d\n",ret); 1807 goto shut; 1808 case SSL_ERROR_ZERO_RETURN: 1809 BIO_printf(bio_c_out,"closed\n"); 1810 ret=0; 1811 goto shut; 1812 case SSL_ERROR_SSL: 1813 ERR_print_errors(bio_err); 1814 goto shut; 1815 /* break; */ 1816 } 1817 } 1818 1819 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1820 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1821 else if (_kbhit()) 1822 #else 1823 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1824 #endif 1825 #elif defined (OPENSSL_SYS_NETWARE) 1826 else if (_kbhit()) 1827 #elif defined(OPENSSL_SYS_BEOS_R5) 1828 else if (stdin_set) 1829 #else 1830 else if (FD_ISSET(fdin,&readfds)) 1831 #endif 1832 { 1833 if (crlf) 1834 { 1835 int j, lf_num; 1836 1837 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1838 lf_num = 0; 1839 /* both loops are skipped when i <= 0 */ 1840 for (j = 0; j < i; j++) 1841 if (cbuf[j] == '\n') 1842 lf_num++; 1843 for (j = i-1; j >= 0; j--) 1844 { 1845 cbuf[j+lf_num] = cbuf[j]; 1846 if (cbuf[j] == '\n') 1847 { 1848 lf_num--; 1849 i++; 1850 cbuf[j+lf_num] = '\r'; 1851 } 1852 } 1853 assert(lf_num == 0); 1854 } 1855 else 1856 i=raw_read_stdin(cbuf,BUFSIZZ); 1857 1858 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1859 { 1860 BIO_printf(bio_err,"DONE\n"); 1861 ret=0; 1862 goto shut; 1863 } 1864 1865 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1866 { 1867 BIO_printf(bio_err,"RENEGOTIATING\n"); 1868 SSL_renegotiate(con); 1869 cbuf_len=0; 1870 } 1871 #ifndef OPENSSL_NO_HEARTBEATS 1872 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1873 { 1874 BIO_printf(bio_err,"HEARTBEATING\n"); 1875 SSL_heartbeat(con); 1876 cbuf_len=0; 1877 } 1878 #endif 1879 else 1880 { 1881 cbuf_len=i; 1882 cbuf_off=0; 1883 #ifdef CHARSET_EBCDIC 1884 ebcdic2ascii(cbuf, cbuf, i); 1885 #endif 1886 } 1887 1888 write_ssl=1; 1889 read_tty=0; 1890 } 1891 } 1892 1893 ret=0; 1894 shut: 1895 if (in_init) 1896 print_stuff(bio_c_out,con,full_log); 1897 SSL_shutdown(con); 1898 SHUTDOWN(SSL_get_fd(con)); 1899 end: 1900 if (con != NULL) 1901 { 1902 if (prexit != 0) 1903 print_stuff(bio_c_out,con,1); 1904 SSL_free(con); 1905 } 1906 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1907 if (next_proto.data) 1908 OPENSSL_free(next_proto.data); 1909 #endif 1910 if (ctx != NULL) SSL_CTX_free(ctx); 1911 if (cert) 1912 X509_free(cert); 1913 if (key) 1914 EVP_PKEY_free(key); 1915 if (pass) 1916 OPENSSL_free(pass); 1917 if (vpm) 1918 X509_VERIFY_PARAM_free(vpm); 1919 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1920 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1921 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1922 if (bio_c_out != NULL) 1923 { 1924 BIO_free(bio_c_out); 1925 bio_c_out=NULL; 1926 } 1927 apps_shutdown(); 1928 OPENSSL_EXIT(ret); 1929 } 1930 1931 1932 static void print_stuff(BIO *bio, SSL *s, int full) 1933 { 1934 X509 *peer=NULL; 1935 char *p; 1936 static const char *space=" "; 1937 char buf[BUFSIZ]; 1938 STACK_OF(X509) *sk; 1939 STACK_OF(X509_NAME) *sk2; 1940 const SSL_CIPHER *c; 1941 X509_NAME *xn; 1942 int j,i; 1943 #ifndef OPENSSL_NO_COMP 1944 const COMP_METHOD *comp, *expansion; 1945 #endif 1946 unsigned char *exportedkeymat; 1947 1948 if (full) 1949 { 1950 int got_a_chain = 0; 1951 1952 sk=SSL_get_peer_cert_chain(s); 1953 if (sk != NULL) 1954 { 1955 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1956 1957 BIO_printf(bio,"---\nCertificate chain\n"); 1958 for (i=0; i<sk_X509_num(sk); i++) 1959 { 1960 X509_NAME_oneline(X509_get_subject_name( 1961 sk_X509_value(sk,i)),buf,sizeof buf); 1962 BIO_printf(bio,"%2d s:%s\n",i,buf); 1963 X509_NAME_oneline(X509_get_issuer_name( 1964 sk_X509_value(sk,i)),buf,sizeof buf); 1965 BIO_printf(bio," i:%s\n",buf); 1966 if (c_showcerts) 1967 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1968 } 1969 } 1970 1971 BIO_printf(bio,"---\n"); 1972 peer=SSL_get_peer_certificate(s); 1973 if (peer != NULL) 1974 { 1975 BIO_printf(bio,"Server certificate\n"); 1976 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1977 PEM_write_bio_X509(bio,peer); 1978 X509_NAME_oneline(X509_get_subject_name(peer), 1979 buf,sizeof buf); 1980 BIO_printf(bio,"subject=%s\n",buf); 1981 X509_NAME_oneline(X509_get_issuer_name(peer), 1982 buf,sizeof buf); 1983 BIO_printf(bio,"issuer=%s\n",buf); 1984 } 1985 else 1986 BIO_printf(bio,"no peer certificate available\n"); 1987 1988 sk2=SSL_get_client_CA_list(s); 1989 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 1990 { 1991 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 1992 for (i=0; i<sk_X509_NAME_num(sk2); i++) 1993 { 1994 xn=sk_X509_NAME_value(sk2,i); 1995 X509_NAME_oneline(xn,buf,sizeof(buf)); 1996 BIO_write(bio,buf,strlen(buf)); 1997 BIO_write(bio,"\n",1); 1998 } 1999 } 2000 else 2001 { 2002 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2003 } 2004 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2005 if (p != NULL) 2006 { 2007 /* This works only for SSL 2. In later protocol 2008 * versions, the client does not know what other 2009 * ciphers (in addition to the one to be used 2010 * in the current connection) the server supports. */ 2011 2012 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2013 j=i=0; 2014 while (*p) 2015 { 2016 if (*p == ':') 2017 { 2018 BIO_write(bio,space,15-j%25); 2019 i++; 2020 j=0; 2021 BIO_write(bio,((i%3)?" ":"\n"),1); 2022 } 2023 else 2024 { 2025 BIO_write(bio,p,1); 2026 j++; 2027 } 2028 p++; 2029 } 2030 BIO_write(bio,"\n",1); 2031 } 2032 2033 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2034 BIO_number_read(SSL_get_rbio(s)), 2035 BIO_number_written(SSL_get_wbio(s))); 2036 } 2037 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2038 c=SSL_get_current_cipher(s); 2039 BIO_printf(bio,"%s, Cipher is %s\n", 2040 SSL_CIPHER_get_version(c), 2041 SSL_CIPHER_get_name(c)); 2042 if (peer != NULL) { 2043 EVP_PKEY *pktmp; 2044 pktmp = X509_get_pubkey(peer); 2045 BIO_printf(bio,"Server public key is %d bit\n", 2046 EVP_PKEY_bits(pktmp)); 2047 EVP_PKEY_free(pktmp); 2048 } 2049 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2050 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2051 #ifndef OPENSSL_NO_COMP 2052 comp=SSL_get_current_compression(s); 2053 expansion=SSL_get_current_expansion(s); 2054 BIO_printf(bio,"Compression: %s\n", 2055 comp ? SSL_COMP_get_name(comp) : "NONE"); 2056 BIO_printf(bio,"Expansion: %s\n", 2057 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2058 #endif 2059 2060 #ifdef SSL_DEBUG 2061 { 2062 /* Print out local port of connection: useful for debugging */ 2063 int sock; 2064 struct sockaddr_in ladd; 2065 socklen_t ladd_size = sizeof(ladd); 2066 sock = SSL_get_fd(s); 2067 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2068 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2069 } 2070 #endif 2071 2072 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2073 if (next_proto.status != -1) { 2074 const unsigned char *proto; 2075 unsigned int proto_len; 2076 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2077 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2078 BIO_write(bio, proto, proto_len); 2079 BIO_write(bio, "\n", 1); 2080 } 2081 #endif 2082 2083 { 2084 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2085 2086 if(srtp_profile) 2087 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2088 srtp_profile->name); 2089 } 2090 2091 SSL_SESSION_print(bio,SSL_get_session(s)); 2092 if (keymatexportlabel != NULL) 2093 { 2094 BIO_printf(bio, "Keying material exporter:\n"); 2095 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2096 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2097 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2098 if (exportedkeymat != NULL) 2099 { 2100 if (!SSL_export_keying_material(s, exportedkeymat, 2101 keymatexportlen, 2102 keymatexportlabel, 2103 strlen(keymatexportlabel), 2104 NULL, 0, 0)) 2105 { 2106 BIO_printf(bio, " Error\n"); 2107 } 2108 else 2109 { 2110 BIO_printf(bio, " Keying material: "); 2111 for (i=0; i<keymatexportlen; i++) 2112 BIO_printf(bio, "%02X", 2113 exportedkeymat[i]); 2114 BIO_printf(bio, "\n"); 2115 } 2116 OPENSSL_free(exportedkeymat); 2117 } 2118 } 2119 BIO_printf(bio,"---\n"); 2120 if (peer != NULL) 2121 X509_free(peer); 2122 /* flush, or debugging output gets mixed with http response */ 2123 (void)BIO_flush(bio); 2124 } 2125 2126 #ifndef OPENSSL_NO_TLSEXT 2127 2128 static int ocsp_resp_cb(SSL *s, void *arg) 2129 { 2130 const unsigned char *p; 2131 int len; 2132 OCSP_RESPONSE *rsp; 2133 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2134 BIO_puts(arg, "OCSP response: "); 2135 if (!p) 2136 { 2137 BIO_puts(arg, "no response sent\n"); 2138 return 1; 2139 } 2140 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2141 if (!rsp) 2142 { 2143 BIO_puts(arg, "response parse error\n"); 2144 BIO_dump_indent(arg, (char *)p, len, 4); 2145 return 0; 2146 } 2147 BIO_puts(arg, "\n======================================\n"); 2148 OCSP_RESPONSE_print(arg, rsp, 0); 2149 BIO_puts(arg, "======================================\n"); 2150 OCSP_RESPONSE_free(rsp); 2151 return 1; 2152 } 2153 2154 #endif 2155
Indexes created Sat Feb 28 05:31:39 UTC 2026