s_client.c revision 1.6.2.1
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," -verify_return_error - return verification errors\n"); 294 BIO_printf(bio_err," -cert arg - certificate file to use, PEM format assumed\n"); 295 BIO_printf(bio_err," -certform arg - certificate format (PEM or DER) PEM default\n"); 296 BIO_printf(bio_err," -key arg - Private key file to use, in cert file if\n"); 297 BIO_printf(bio_err," not specified but cert file is.\n"); 298 BIO_printf(bio_err," -keyform arg - key format (PEM or DER) PEM default\n"); 299 BIO_printf(bio_err," -pass arg - private key file pass phrase source\n"); 300 BIO_printf(bio_err," -CApath arg - PEM format directory of CA's\n"); 301 BIO_printf(bio_err," -CAfile arg - PEM format file of CA's\n"); 302 BIO_printf(bio_err," -reconnect - Drop and re-make the connection with the same Session-ID\n"); 303 BIO_printf(bio_err," -pause - sleep(1) after each read(2) and write(2) system call\n"); 304 BIO_printf(bio_err," -prexit - print session information even on connection failure\n"); 305 BIO_printf(bio_err," -showcerts - show all certificates in the chain\n"); 306 BIO_printf(bio_err," -debug - extra output\n"); 307 #ifdef WATT32 308 BIO_printf(bio_err," -wdebug - WATT-32 tcp debugging\n"); 309 #endif 310 BIO_printf(bio_err," -msg - Show protocol messages\n"); 311 BIO_printf(bio_err," -nbio_test - more ssl protocol testing\n"); 312 BIO_printf(bio_err," -state - print the 'ssl' states\n"); 313 #ifdef FIONBIO 314 BIO_printf(bio_err," -nbio - Run with non-blocking IO\n"); 315 #endif 316 BIO_printf(bio_err," -crlf - convert LF from terminal into CRLF\n"); 317 BIO_printf(bio_err," -quiet - no s_client output\n"); 318 BIO_printf(bio_err," -ign_eof - ignore input eof (default when -quiet)\n"); 319 BIO_printf(bio_err," -no_ign_eof - don't ignore input eof\n"); 320 #ifndef OPENSSL_NO_PSK 321 BIO_printf(bio_err," -psk_identity arg - PSK identity\n"); 322 BIO_printf(bio_err," -psk arg - PSK in hex (without 0x)\n"); 323 # ifndef OPENSSL_NO_JPAKE 324 BIO_printf(bio_err," -jpake arg - JPAKE secret to use\n"); 325 # endif 326 #endif 327 #ifndef OPENSSL_NO_SRP 328 BIO_printf(bio_err," -srpuser user - SRP authentification for 'user'\n"); 329 BIO_printf(bio_err," -srppass arg - password for 'user'\n"); 330 BIO_printf(bio_err," -srp_lateuser - SRP username into second ClientHello message\n"); 331 BIO_printf(bio_err," -srp_moregroups - Tolerate other than the known g N values.\n"); 332 BIO_printf(bio_err," -srp_strength int - minimal mength in bits for N (default %d).\n",SRP_MINIMAL_N); 333 #endif 334 BIO_printf(bio_err," -ssl2 - just use SSLv2\n"); 335 BIO_printf(bio_err," -ssl3 - just use SSLv3\n"); 336 BIO_printf(bio_err," -tls1_2 - just use TLSv1.2\n"); 337 BIO_printf(bio_err," -tls1_1 - just use TLSv1.1\n"); 338 BIO_printf(bio_err," -tls1 - just use TLSv1\n"); 339 BIO_printf(bio_err," -dtls1 - just use DTLSv1\n"); 340 BIO_printf(bio_err," -fallback_scsv - send TLS_FALLBACK_SCSV\n"); 341 BIO_printf(bio_err," -mtu - set the link layer MTU\n"); 342 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 343 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 344 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 345 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 346 BIO_printf(bio_err," command to see what is available\n"); 347 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 348 BIO_printf(bio_err," for those protocols that support it, where\n"); 349 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 350 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 351 BIO_printf(bio_err," are supported.\n"); 352 #ifndef OPENSSL_NO_ENGINE 353 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 354 #endif 355 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 356 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 357 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 358 #ifndef OPENSSL_NO_TLSEXT 359 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 360 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 361 BIO_printf(bio_err," -status - request certificate status from server\n"); 362 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 363 # ifndef OPENSSL_NO_NEXTPROTONEG 364 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 365 # endif 366 #endif 367 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 368 #ifndef OPENSSL_NO_SRTP 369 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 370 #endif 371 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 372 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 373 } 374 375 #ifndef OPENSSL_NO_TLSEXT 376 377 /* This is a context that we pass to callbacks */ 378 typedef struct tlsextctx_st { 379 BIO * biodebug; 380 int ack; 381 } tlsextctx; 382 383 384 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 385 { 386 tlsextctx * p = (tlsextctx *) arg; 387 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 388 if (SSL_get_servername_type(s) != -1) 389 p->ack = !SSL_session_reused(s) && hn != NULL; 390 else 391 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 392 393 return SSL_TLSEXT_ERR_OK; 394 } 395 396 #ifndef OPENSSL_NO_SRP 397 398 /* This is a context that we pass to all callbacks */ 399 typedef struct srp_arg_st 400 { 401 char *srppassin; 402 char *srplogin; 403 int msg; /* copy from c_msg */ 404 int debug; /* copy from c_debug */ 405 int amp; /* allow more groups */ 406 int strength /* minimal size for N */ ; 407 } SRP_ARG; 408 409 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 410 411 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 412 { 413 BN_CTX *bn_ctx = BN_CTX_new(); 414 BIGNUM *p = BN_new(); 415 BIGNUM *r = BN_new(); 416 int ret = 417 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 418 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 419 p != NULL && BN_rshift1(p, N) && 420 421 /* p = (N-1)/2 */ 422 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 423 r != NULL && 424 425 /* verify g^((N-1)/2) == -1 (mod N) */ 426 BN_mod_exp(r, g, p, N, bn_ctx) && 427 BN_add_word(r, 1) && 428 BN_cmp(r, N) == 0; 429 430 if(r) 431 BN_free(r); 432 if(p) 433 BN_free(p); 434 if(bn_ctx) 435 BN_CTX_free(bn_ctx); 436 return ret; 437 } 438 439 /* This callback is used here for two purposes: 440 - extended debugging 441 - making some primality tests for unknown groups 442 The callback is only called for a non default group. 443 444 An application does not need the call back at all if 445 only the stanard groups are used. In real life situations, 446 client and server already share well known groups, 447 thus there is no need to verify them. 448 Furthermore, in case that a server actually proposes a group that 449 is not one of those defined in RFC 5054, it is more appropriate 450 to add the group to a static list and then compare since 451 primality tests are rather cpu consuming. 452 */ 453 454 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 455 { 456 SRP_ARG *srp_arg = (SRP_ARG *)arg; 457 BIGNUM *N = NULL, *g = NULL; 458 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 459 return 0; 460 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 461 { 462 BIO_printf(bio_err, "SRP parameters:\n"); 463 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 464 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 465 BIO_printf(bio_err,"\n"); 466 } 467 468 if (SRP_check_known_gN_param(g,N)) 469 return 1; 470 471 if (srp_arg->amp == 1) 472 { 473 if (srp_arg->debug) 474 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 475 476 /* The srp_moregroups is a real debugging feature. 477 Implementors should rather add the value to the known ones. 478 The minimal size has already been tested. 479 */ 480 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 481 return 1; 482 } 483 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 484 return 0; 485 } 486 487 #define PWD_STRLEN 1024 488 489 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 490 { 491 SRP_ARG *srp_arg = (SRP_ARG *)arg; 492 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 493 PW_CB_DATA cb_tmp; 494 int l; 495 496 cb_tmp.password = (char *)srp_arg->srppassin; 497 cb_tmp.prompt_info = "SRP user"; 498 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 499 { 500 BIO_printf (bio_err, "Can't read Password\n"); 501 OPENSSL_free(pass); 502 return NULL; 503 } 504 *(pass+l)= '\0'; 505 506 return pass; 507 } 508 509 #endif 510 #ifndef OPENSSL_NO_SRTP 511 char *srtp_profiles = NULL; 512 #endif 513 514 # ifndef OPENSSL_NO_NEXTPROTONEG 515 /* This the context that we pass to next_proto_cb */ 516 typedef struct tlsextnextprotoctx_st { 517 unsigned char *data; 518 unsigned short len; 519 int status; 520 } tlsextnextprotoctx; 521 522 static tlsextnextprotoctx next_proto; 523 524 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 525 { 526 tlsextnextprotoctx *ctx = arg; 527 528 if (!c_quiet) 529 { 530 /* We can assume that |in| is syntactically valid. */ 531 unsigned i; 532 BIO_printf(bio_c_out, "Protocols advertised by server: "); 533 for (i = 0; i < inlen; ) 534 { 535 if (i) 536 BIO_write(bio_c_out, ", ", 2); 537 BIO_write(bio_c_out, &in[i + 1], in[i]); 538 i += in[i] + 1; 539 } 540 BIO_write(bio_c_out, "\n", 1); 541 } 542 543 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 544 return SSL_TLSEXT_ERR_OK; 545 } 546 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 547 #endif 548 549 enum 550 { 551 PROTO_OFF = 0, 552 PROTO_SMTP, 553 PROTO_POP3, 554 PROTO_IMAP, 555 PROTO_FTP, 556 PROTO_XMPP 557 }; 558 559 int MAIN(int, char **); 560 561 int MAIN(int argc, char **argv) 562 { 563 unsigned int off=0, clr=0; 564 SSL *con=NULL; 565 #ifndef OPENSSL_NO_KRB5 566 KSSL_CTX *kctx; 567 #endif 568 int s,k,width,state=0; 569 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 570 int cbuf_len,cbuf_off; 571 int sbuf_len,sbuf_off; 572 fd_set readfds,writefds; 573 int fdin, fdout; 574 short port=PORT; 575 int full_log=1; 576 char *host=SSL_HOST_NAME; 577 char *cert_file=NULL,*key_file=NULL; 578 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 579 char *passarg = NULL, *pass = NULL; 580 X509 *cert = NULL; 581 EVP_PKEY *key = NULL; 582 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 583 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 584 int crlf=0; 585 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 586 SSL_CTX *ctx=NULL; 587 int ret=1,in_init=1,i,nbio_test=0; 588 int starttls_proto = PROTO_OFF; 589 int prexit = 0; 590 X509_VERIFY_PARAM *vpm = NULL; 591 int badarg = 0; 592 const SSL_METHOD *meth=NULL; 593 int socket_type=SOCK_STREAM; 594 BIO *sbio; 595 char *inrand=NULL; 596 int mbuf_len=0; 597 struct timeval timeout, *timeoutp; 598 #ifndef OPENSSL_NO_ENGINE 599 char *engine_id=NULL; 600 char *ssl_client_engine_id=NULL; 601 ENGINE *ssl_client_engine=NULL; 602 #endif 603 ENGINE *e=NULL; 604 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 605 struct timeval tv; 606 #if defined(OPENSSL_SYS_BEOS_R5) 607 int stdin_set = 0; 608 #endif 609 #endif 610 #ifndef OPENSSL_NO_TLSEXT 611 char *servername = NULL; 612 tlsextctx tlsextcbp = 613 {NULL,0}; 614 # ifndef OPENSSL_NO_NEXTPROTONEG 615 const char *next_proto_neg_in = NULL; 616 # endif 617 #endif 618 char *sess_in = NULL; 619 char *sess_out = NULL; 620 struct sockaddr peer; 621 int peerlen = sizeof(peer); 622 int fallback_scsv = 0; 623 int enable_timeouts = 0 ; 624 long socket_mtu = 0; 625 #ifndef OPENSSL_NO_JPAKE 626 char *jpake_secret = NULL; 627 #endif 628 #ifndef OPENSSL_NO_SRP 629 char * srppass = NULL; 630 int srp_lateuser = 0; 631 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 632 #endif 633 634 meth=SSLv23_client_method(); 635 636 apps_startup(); 637 c_Pause=0; 638 c_quiet=0; 639 c_ign_eof=0; 640 c_debug=0; 641 c_msg=0; 642 c_showcerts=0; 643 644 if (bio_err == NULL) 645 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 646 647 if (!load_config(bio_err, NULL)) 648 goto end; 649 650 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 651 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 652 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 653 { 654 BIO_printf(bio_err,"out of memory\n"); 655 goto end; 656 } 657 658 verify_depth=0; 659 verify_error=X509_V_OK; 660 #ifdef FIONBIO 661 c_nbio=0; 662 #endif 663 664 argc--; 665 argv++; 666 while (argc >= 1) 667 { 668 if (strcmp(*argv,"-host") == 0) 669 { 670 if (--argc < 1) goto bad; 671 host= *(++argv); 672 } 673 else if (strcmp(*argv,"-port") == 0) 674 { 675 if (--argc < 1) goto bad; 676 port=atoi(*(++argv)); 677 if (port == 0) goto bad; 678 } 679 else if (strcmp(*argv,"-connect") == 0) 680 { 681 if (--argc < 1) goto bad; 682 if (!extract_host_port(*(++argv),&host,NULL,&port)) 683 goto bad; 684 } 685 else if (strcmp(*argv,"-verify") == 0) 686 { 687 verify=SSL_VERIFY_PEER; 688 if (--argc < 1) goto bad; 689 verify_depth=atoi(*(++argv)); 690 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 691 } 692 else if (strcmp(*argv,"-cert") == 0) 693 { 694 if (--argc < 1) goto bad; 695 cert_file= *(++argv); 696 } 697 else if (strcmp(*argv,"-sess_out") == 0) 698 { 699 if (--argc < 1) goto bad; 700 sess_out = *(++argv); 701 } 702 else if (strcmp(*argv,"-sess_in") == 0) 703 { 704 if (--argc < 1) goto bad; 705 sess_in = *(++argv); 706 } 707 else if (strcmp(*argv,"-certform") == 0) 708 { 709 if (--argc < 1) goto bad; 710 cert_format = str2fmt(*(++argv)); 711 } 712 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 713 { 714 if (badarg) 715 goto bad; 716 continue; 717 } 718 else if (strcmp(*argv,"-verify_return_error") == 0) 719 verify_return_error = 1; 720 else if (strcmp(*argv,"-prexit") == 0) 721 prexit=1; 722 else if (strcmp(*argv,"-crlf") == 0) 723 crlf=1; 724 else if (strcmp(*argv,"-quiet") == 0) 725 { 726 c_quiet=1; 727 c_ign_eof=1; 728 } 729 else if (strcmp(*argv,"-ign_eof") == 0) 730 c_ign_eof=1; 731 else if (strcmp(*argv,"-no_ign_eof") == 0) 732 c_ign_eof=0; 733 else if (strcmp(*argv,"-pause") == 0) 734 c_Pause=1; 735 else if (strcmp(*argv,"-debug") == 0) 736 c_debug=1; 737 #ifndef OPENSSL_NO_TLSEXT 738 else if (strcmp(*argv,"-tlsextdebug") == 0) 739 c_tlsextdebug=1; 740 else if (strcmp(*argv,"-status") == 0) 741 c_status_req=1; 742 #endif 743 #ifdef WATT32 744 else if (strcmp(*argv,"-wdebug") == 0) 745 dbug_init(); 746 #endif 747 else if (strcmp(*argv,"-msg") == 0) 748 c_msg=1; 749 else if (strcmp(*argv,"-showcerts") == 0) 750 c_showcerts=1; 751 else if (strcmp(*argv,"-nbio_test") == 0) 752 nbio_test=1; 753 else if (strcmp(*argv,"-state") == 0) 754 state=1; 755 #ifndef OPENSSL_NO_PSK 756 else if (strcmp(*argv,"-psk_identity") == 0) 757 { 758 if (--argc < 1) goto bad; 759 psk_identity=*(++argv); 760 } 761 else if (strcmp(*argv,"-psk") == 0) 762 { 763 size_t j; 764 765 if (--argc < 1) goto bad; 766 psk_key=*(++argv); 767 for (j = 0; j < strlen(psk_key); j++) 768 { 769 if (isxdigit((unsigned char)psk_key[j])) 770 continue; 771 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 772 goto bad; 773 } 774 } 775 #endif 776 #ifndef OPENSSL_NO_SRP 777 else if (strcmp(*argv,"-srpuser") == 0) 778 { 779 if (--argc < 1) goto bad; 780 srp_arg.srplogin= *(++argv); 781 meth=TLSv1_client_method(); 782 } 783 else if (strcmp(*argv,"-srppass") == 0) 784 { 785 if (--argc < 1) goto bad; 786 srppass= *(++argv); 787 meth=TLSv1_client_method(); 788 } 789 else if (strcmp(*argv,"-srp_strength") == 0) 790 { 791 if (--argc < 1) goto bad; 792 srp_arg.strength=atoi(*(++argv)); 793 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 794 meth=TLSv1_client_method(); 795 } 796 else if (strcmp(*argv,"-srp_lateuser") == 0) 797 { 798 srp_lateuser= 1; 799 meth=TLSv1_client_method(); 800 } 801 else if (strcmp(*argv,"-srp_moregroups") == 0) 802 { 803 srp_arg.amp=1; 804 meth=TLSv1_client_method(); 805 } 806 #endif 807 #ifndef OPENSSL_NO_SSL2 808 else if (strcmp(*argv,"-ssl2") == 0) 809 meth=SSLv2_client_method(); 810 #endif 811 #ifndef OPENSSL_NO_SSL3 812 else if (strcmp(*argv,"-ssl3") == 0) 813 meth=SSLv3_client_method(); 814 #endif 815 #ifndef OPENSSL_NO_TLS1 816 else if (strcmp(*argv,"-tls1_2") == 0) 817 meth=TLSv1_2_client_method(); 818 else if (strcmp(*argv,"-tls1_1") == 0) 819 meth=TLSv1_1_client_method(); 820 else if (strcmp(*argv,"-tls1") == 0) 821 meth=TLSv1_client_method(); 822 #endif 823 #ifndef OPENSSL_NO_DTLS1 824 else if (strcmp(*argv,"-dtls1") == 0) 825 { 826 meth=DTLSv1_client_method(); 827 socket_type=SOCK_DGRAM; 828 } 829 else if (strcmp(*argv,"-fallback_scsv") == 0) 830 { 831 fallback_scsv = 1; 832 } 833 else if (strcmp(*argv,"-timeout") == 0) 834 enable_timeouts=1; 835 else if (strcmp(*argv,"-mtu") == 0) 836 { 837 if (--argc < 1) goto bad; 838 socket_mtu = atol(*(++argv)); 839 } 840 #endif 841 else if (strcmp(*argv,"-bugs") == 0) 842 bugs=1; 843 else if (strcmp(*argv,"-keyform") == 0) 844 { 845 if (--argc < 1) goto bad; 846 key_format = str2fmt(*(++argv)); 847 } 848 else if (strcmp(*argv,"-pass") == 0) 849 { 850 if (--argc < 1) goto bad; 851 passarg = *(++argv); 852 } 853 else if (strcmp(*argv,"-key") == 0) 854 { 855 if (--argc < 1) goto bad; 856 key_file= *(++argv); 857 } 858 else if (strcmp(*argv,"-reconnect") == 0) 859 { 860 reconnect=5; 861 } 862 else if (strcmp(*argv,"-CApath") == 0) 863 { 864 if (--argc < 1) goto bad; 865 CApath= *(++argv); 866 } 867 else if (strcmp(*argv,"-CAfile") == 0) 868 { 869 if (--argc < 1) goto bad; 870 CAfile= *(++argv); 871 } 872 else if (strcmp(*argv,"-no_tls1_2") == 0) 873 off|=SSL_OP_NO_TLSv1_2; 874 else if (strcmp(*argv,"-no_tls1_1") == 0) 875 off|=SSL_OP_NO_TLSv1_1; 876 else if (strcmp(*argv,"-no_tls1") == 0) 877 off|=SSL_OP_NO_TLSv1; 878 else if (strcmp(*argv,"-no_ssl3") == 0) 879 off|=SSL_OP_NO_SSLv3; 880 else if (strcmp(*argv,"-no_ssl2") == 0) 881 off|=SSL_OP_NO_SSLv2; 882 else if (strcmp(*argv,"-no_comp") == 0) 883 { off|=SSL_OP_NO_COMPRESSION; } 884 #ifndef OPENSSL_NO_TLSEXT 885 else if (strcmp(*argv,"-no_ticket") == 0) 886 { off|=SSL_OP_NO_TICKET; } 887 # ifndef OPENSSL_NO_NEXTPROTONEG 888 else if (strcmp(*argv,"-nextprotoneg") == 0) 889 { 890 if (--argc < 1) goto bad; 891 next_proto_neg_in = *(++argv); 892 } 893 # endif 894 #endif 895 else if (strcmp(*argv,"-serverpref") == 0) 896 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 897 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 898 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 899 else if (strcmp(*argv,"-legacy_server_connect") == 0) 900 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 901 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 902 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 903 else if (strcmp(*argv,"-cipher") == 0) 904 { 905 if (--argc < 1) goto bad; 906 cipher= *(++argv); 907 } 908 #ifdef FIONBIO 909 else if (strcmp(*argv,"-nbio") == 0) 910 { c_nbio=1; } 911 #endif 912 else if (strcmp(*argv,"-starttls") == 0) 913 { 914 if (--argc < 1) goto bad; 915 ++argv; 916 if (strcmp(*argv,"smtp") == 0) 917 starttls_proto = PROTO_SMTP; 918 else if (strcmp(*argv,"pop3") == 0) 919 starttls_proto = PROTO_POP3; 920 else if (strcmp(*argv,"imap") == 0) 921 starttls_proto = PROTO_IMAP; 922 else if (strcmp(*argv,"ftp") == 0) 923 starttls_proto = PROTO_FTP; 924 else if (strcmp(*argv, "xmpp") == 0) 925 starttls_proto = PROTO_XMPP; 926 else 927 goto bad; 928 } 929 #ifndef OPENSSL_NO_ENGINE 930 else if (strcmp(*argv,"-engine") == 0) 931 { 932 if (--argc < 1) goto bad; 933 engine_id = *(++argv); 934 } 935 else if (strcmp(*argv,"-ssl_client_engine") == 0) 936 { 937 if (--argc < 1) goto bad; 938 ssl_client_engine_id = *(++argv); 939 } 940 #endif 941 else if (strcmp(*argv,"-rand") == 0) 942 { 943 if (--argc < 1) goto bad; 944 inrand= *(++argv); 945 } 946 #ifndef OPENSSL_NO_TLSEXT 947 else if (strcmp(*argv,"-servername") == 0) 948 { 949 if (--argc < 1) goto bad; 950 servername= *(++argv); 951 /* meth=TLSv1_client_method(); */ 952 } 953 #endif 954 #ifndef OPENSSL_NO_JPAKE 955 else if (strcmp(*argv,"-jpake") == 0) 956 { 957 if (--argc < 1) goto bad; 958 jpake_secret = *++argv; 959 } 960 #endif 961 #ifndef OPENSSL_NO_SRTP 962 else if (strcmp(*argv,"-use_srtp") == 0) 963 { 964 if (--argc < 1) goto bad; 965 srtp_profiles = *(++argv); 966 } 967 #endif 968 else if (strcmp(*argv,"-keymatexport") == 0) 969 { 970 if (--argc < 1) goto bad; 971 keymatexportlabel= *(++argv); 972 } 973 else if (strcmp(*argv,"-keymatexportlen") == 0) 974 { 975 if (--argc < 1) goto bad; 976 keymatexportlen=atoi(*(++argv)); 977 if (keymatexportlen == 0) goto bad; 978 } 979 else 980 { 981 BIO_printf(bio_err,"unknown option %s\n",*argv); 982 badop=1; 983 break; 984 } 985 argc--; 986 argv++; 987 } 988 if (badop) 989 { 990 bad: 991 sc_usage(); 992 goto end; 993 } 994 995 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 996 if (jpake_secret) 997 { 998 if (psk_key) 999 { 1000 BIO_printf(bio_err, 1001 "Can't use JPAKE and PSK together\n"); 1002 goto end; 1003 } 1004 psk_identity = "JPAKE"; 1005 if (cipher) 1006 { 1007 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1008 goto end; 1009 } 1010 cipher = "PSK"; 1011 } 1012 #endif 1013 1014 OpenSSL_add_ssl_algorithms(); 1015 SSL_load_error_strings(); 1016 1017 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1018 next_proto.status = -1; 1019 if (next_proto_neg_in) 1020 { 1021 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1022 if (next_proto.data == NULL) 1023 { 1024 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1025 goto end; 1026 } 1027 } 1028 else 1029 next_proto.data = NULL; 1030 #endif 1031 1032 #ifndef OPENSSL_NO_ENGINE 1033 e = setup_engine(bio_err, engine_id, 1); 1034 if (ssl_client_engine_id) 1035 { 1036 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1037 if (!ssl_client_engine) 1038 { 1039 BIO_printf(bio_err, 1040 "Error getting client auth engine\n"); 1041 goto end; 1042 } 1043 } 1044 1045 #endif 1046 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1047 { 1048 BIO_printf(bio_err, "Error getting password\n"); 1049 goto end; 1050 } 1051 1052 if (key_file == NULL) 1053 key_file = cert_file; 1054 1055 1056 if (key_file) 1057 1058 { 1059 1060 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1061 "client certificate private key file"); 1062 if (!key) 1063 { 1064 ERR_print_errors(bio_err); 1065 goto end; 1066 } 1067 1068 } 1069 1070 if (cert_file) 1071 1072 { 1073 cert = load_cert(bio_err,cert_file,cert_format, 1074 NULL, e, "client certificate file"); 1075 1076 if (!cert) 1077 { 1078 ERR_print_errors(bio_err); 1079 goto end; 1080 } 1081 } 1082 1083 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1084 && !RAND_status()) 1085 { 1086 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1087 } 1088 if (inrand != NULL) 1089 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1090 app_RAND_load_files(inrand)); 1091 1092 if (bio_c_out == NULL) 1093 { 1094 if (c_quiet && !c_debug && !c_msg) 1095 { 1096 bio_c_out=BIO_new(BIO_s_null()); 1097 } 1098 else 1099 { 1100 if (bio_c_out == NULL) 1101 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1102 } 1103 } 1104 1105 #ifndef OPENSSL_NO_SRP 1106 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1107 { 1108 BIO_printf(bio_err, "Error getting password\n"); 1109 goto end; 1110 } 1111 #endif 1112 1113 ctx=SSL_CTX_new(meth); 1114 if (ctx == NULL) 1115 { 1116 ERR_print_errors(bio_err); 1117 goto end; 1118 } 1119 1120 if (vpm) 1121 SSL_CTX_set1_param(ctx, vpm); 1122 1123 #ifndef OPENSSL_NO_ENGINE 1124 if (ssl_client_engine) 1125 { 1126 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1127 { 1128 BIO_puts(bio_err, "Error setting client auth engine\n"); 1129 ERR_print_errors(bio_err); 1130 ENGINE_free(ssl_client_engine); 1131 goto end; 1132 } 1133 ENGINE_free(ssl_client_engine); 1134 } 1135 #endif 1136 1137 #ifndef OPENSSL_NO_PSK 1138 #ifdef OPENSSL_NO_JPAKE 1139 if (psk_key != NULL) 1140 #else 1141 if (psk_key != NULL || jpake_secret) 1142 #endif 1143 { 1144 if (c_debug) 1145 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1146 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1147 } 1148 #endif 1149 #ifndef OPENSSL_NO_SRTP 1150 if (srtp_profiles != NULL) 1151 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1152 #endif 1153 if (bugs) 1154 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1155 else 1156 SSL_CTX_set_options(ctx,off); 1157 1158 if (clr) 1159 SSL_CTX_clear_options(ctx, clr); 1160 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1161 * Setting read ahead solves this problem. 1162 */ 1163 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1164 1165 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1166 if (next_proto.data) 1167 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1168 #endif 1169 1170 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1171 if (cipher != NULL) 1172 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1173 BIO_printf(bio_err,"error setting cipher list\n"); 1174 ERR_print_errors(bio_err); 1175 goto end; 1176 } 1177 #if 0 1178 else 1179 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1180 #endif 1181 1182 SSL_CTX_set_verify(ctx,verify,verify_callback); 1183 if (!set_cert_key_stuff(ctx,cert,key)) 1184 goto end; 1185 1186 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1187 (!SSL_CTX_set_default_verify_paths(ctx))) 1188 { 1189 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1190 ERR_print_errors(bio_err); 1191 /* goto end; */ 1192 } 1193 1194 #ifndef OPENSSL_NO_TLSEXT 1195 if (servername != NULL) 1196 { 1197 tlsextcbp.biodebug = bio_err; 1198 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1199 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1200 } 1201 #ifndef OPENSSL_NO_SRP 1202 if (srp_arg.srplogin) 1203 { 1204 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1205 { 1206 BIO_printf(bio_err,"Unable to set SRP username\n"); 1207 goto end; 1208 } 1209 srp_arg.msg = c_msg; 1210 srp_arg.debug = c_debug ; 1211 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1212 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1213 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1214 if (c_msg || c_debug || srp_arg.amp == 0) 1215 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1216 } 1217 1218 #endif 1219 #endif 1220 1221 con=SSL_new(ctx); 1222 if (sess_in) 1223 { 1224 SSL_SESSION *sess; 1225 BIO *stmp = BIO_new_file(sess_in, "r"); 1226 if (!stmp) 1227 { 1228 BIO_printf(bio_err, "Can't open session file %s\n", 1229 sess_in); 1230 ERR_print_errors(bio_err); 1231 goto end; 1232 } 1233 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1234 BIO_free(stmp); 1235 if (!sess) 1236 { 1237 BIO_printf(bio_err, "Can't open session file %s\n", 1238 sess_in); 1239 ERR_print_errors(bio_err); 1240 goto end; 1241 } 1242 SSL_set_session(con, sess); 1243 SSL_SESSION_free(sess); 1244 } 1245 1246 if (fallback_scsv) 1247 SSL_set_mode(con, SSL_MODE_SEND_FALLBACK_SCSV); 1248 1249 #ifndef OPENSSL_NO_TLSEXT 1250 if (servername != NULL) 1251 { 1252 if (!SSL_set_tlsext_host_name(con,servername)) 1253 { 1254 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1255 ERR_print_errors(bio_err); 1256 goto end; 1257 } 1258 } 1259 #endif 1260 #ifndef OPENSSL_NO_KRB5 1261 if (con && (kctx = kssl_ctx_new()) != NULL) 1262 { 1263 SSL_set0_kssl_ctx(con, kctx); 1264 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1265 } 1266 #endif /* OPENSSL_NO_KRB5 */ 1267 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1268 #if 0 1269 #ifdef TLSEXT_TYPE_opaque_prf_input 1270 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1271 #endif 1272 #endif 1273 1274 re_start: 1275 1276 if (init_client(&s,host,port,socket_type) == 0) 1277 { 1278 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1279 SHUTDOWN(s); 1280 goto end; 1281 } 1282 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1283 1284 #ifdef FIONBIO 1285 if (c_nbio) 1286 { 1287 unsigned long l=1; 1288 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1289 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1290 { 1291 ERR_print_errors(bio_err); 1292 goto end; 1293 } 1294 } 1295 #endif 1296 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1297 1298 if ( SSL_version(con) == DTLS1_VERSION) 1299 { 1300 1301 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1302 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1303 { 1304 BIO_printf(bio_err, "getsockname:errno=%d\n", 1305 get_last_socket_error()); 1306 SHUTDOWN(s); 1307 goto end; 1308 } 1309 1310 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1311 1312 if (enable_timeouts) 1313 { 1314 timeout.tv_sec = 0; 1315 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1316 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1317 1318 timeout.tv_sec = 0; 1319 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1320 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1321 } 1322 1323 if (socket_mtu > 28) 1324 { 1325 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1326 SSL_set_mtu(con, socket_mtu - 28); 1327 } 1328 else 1329 /* want to do MTU discovery */ 1330 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1331 } 1332 else 1333 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1334 1335 if (nbio_test) 1336 { 1337 BIO *test; 1338 1339 test=BIO_new(BIO_f_nbio_test()); 1340 sbio=BIO_push(test,sbio); 1341 } 1342 1343 if (c_debug) 1344 { 1345 SSL_set_debug(con, 1); 1346 BIO_set_callback(sbio,bio_dump_callback); 1347 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1348 } 1349 if (c_msg) 1350 { 1351 SSL_set_msg_callback(con, msg_cb); 1352 SSL_set_msg_callback_arg(con, bio_c_out); 1353 } 1354 #ifndef OPENSSL_NO_TLSEXT 1355 if (c_tlsextdebug) 1356 { 1357 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1358 SSL_set_tlsext_debug_arg(con, bio_c_out); 1359 } 1360 if (c_status_req) 1361 { 1362 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1363 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1364 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1365 #if 0 1366 { 1367 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1368 OCSP_RESPID *id = OCSP_RESPID_new(); 1369 id->value.byKey = ASN1_OCTET_STRING_new(); 1370 id->type = V_OCSP_RESPID_KEY; 1371 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1372 sk_OCSP_RESPID_push(ids, id); 1373 SSL_set_tlsext_status_ids(con, ids); 1374 } 1375 #endif 1376 } 1377 #endif 1378 #ifndef OPENSSL_NO_JPAKE 1379 if (jpake_secret) 1380 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1381 #endif 1382 1383 SSL_set_bio(con,sbio,sbio); 1384 SSL_set_connect_state(con); 1385 1386 /* ok, lets connect */ 1387 width=SSL_get_fd(con)+1; 1388 1389 read_tty=1; 1390 write_tty=0; 1391 tty_on=0; 1392 read_ssl=1; 1393 write_ssl=1; 1394 1395 cbuf_len=0; 1396 cbuf_off=0; 1397 sbuf_len=0; 1398 sbuf_off=0; 1399 1400 /* This is an ugly hack that does a lot of assumptions */ 1401 /* We do have to handle multi-line responses which may come 1402 in a single packet or not. We therefore have to use 1403 BIO_gets() which does need a buffering BIO. So during 1404 the initial chitchat we do push a buffering BIO into the 1405 chain that is removed again later on to not disturb the 1406 rest of the s_client operation. */ 1407 if (starttls_proto == PROTO_SMTP) 1408 { 1409 int foundit=0; 1410 BIO *fbio = BIO_new(BIO_f_buffer()); 1411 BIO_push(fbio, sbio); 1412 /* wait for multi-line response to end from SMTP */ 1413 do 1414 { 1415 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1416 } 1417 while (mbuf_len>3 && mbuf[3]=='-'); 1418 /* STARTTLS command requires EHLO... */ 1419 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1420 (void)BIO_flush(fbio); 1421 /* wait for multi-line response to end EHLO SMTP response */ 1422 do 1423 { 1424 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1425 if (strstr(mbuf,"STARTTLS")) 1426 foundit=1; 1427 } 1428 while (mbuf_len>3 && mbuf[3]=='-'); 1429 (void)BIO_flush(fbio); 1430 BIO_pop(fbio); 1431 BIO_free(fbio); 1432 if (!foundit) 1433 BIO_printf(bio_err, 1434 "didn't found starttls in server response," 1435 " try anyway...\n"); 1436 BIO_printf(sbio,"STARTTLS\r\n"); 1437 BIO_read(sbio,sbuf,BUFSIZZ); 1438 } 1439 else if (starttls_proto == PROTO_POP3) 1440 { 1441 BIO_read(sbio,mbuf,BUFSIZZ); 1442 BIO_printf(sbio,"STLS\r\n"); 1443 BIO_read(sbio,sbuf,BUFSIZZ); 1444 } 1445 else if (starttls_proto == PROTO_IMAP) 1446 { 1447 int foundit=0; 1448 BIO *fbio = BIO_new(BIO_f_buffer()); 1449 BIO_push(fbio, sbio); 1450 BIO_gets(fbio,mbuf,BUFSIZZ); 1451 /* STARTTLS command requires CAPABILITY... */ 1452 BIO_printf(fbio,". CAPABILITY\r\n"); 1453 (void)BIO_flush(fbio); 1454 /* wait for multi-line CAPABILITY response */ 1455 do 1456 { 1457 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1458 if (strstr(mbuf,"STARTTLS")) 1459 foundit=1; 1460 } 1461 while (mbuf_len>3 && mbuf[0]!='.'); 1462 (void)BIO_flush(fbio); 1463 BIO_pop(fbio); 1464 BIO_free(fbio); 1465 if (!foundit) 1466 BIO_printf(bio_err, 1467 "didn't found STARTTLS in server response," 1468 " try anyway...\n"); 1469 BIO_printf(sbio,". STARTTLS\r\n"); 1470 BIO_read(sbio,sbuf,BUFSIZZ); 1471 } 1472 else if (starttls_proto == PROTO_FTP) 1473 { 1474 BIO *fbio = BIO_new(BIO_f_buffer()); 1475 BIO_push(fbio, sbio); 1476 /* wait for multi-line response to end from FTP */ 1477 do 1478 { 1479 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1480 } 1481 while (mbuf_len>3 && mbuf[3]=='-'); 1482 (void)BIO_flush(fbio); 1483 BIO_pop(fbio); 1484 BIO_free(fbio); 1485 BIO_printf(sbio,"AUTH TLS\r\n"); 1486 BIO_read(sbio,sbuf,BUFSIZZ); 1487 } 1488 if (starttls_proto == PROTO_XMPP) 1489 { 1490 int seen = 0; 1491 BIO_printf(sbio,"<stream:stream " 1492 "xmlns:stream='http://etherx.jabber.org/streams' " 1493 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1494 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1495 mbuf[seen] = 0; 1496 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1497 { 1498 if (strstr(mbuf, "/stream:features>")) 1499 goto shut; 1500 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1501 mbuf[seen] = 0; 1502 } 1503 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1504 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1505 sbuf[seen] = 0; 1506 if (!strstr(sbuf, "<proceed")) 1507 goto shut; 1508 mbuf[0] = 0; 1509 } 1510 1511 for (;;) 1512 { 1513 FD_ZERO(&readfds); 1514 FD_ZERO(&writefds); 1515 fdin = fileno(stdin); 1516 if (fdin < 0) 1517 { 1518 BIO_printf(bio_err,"bad fileno for stdin\n"); 1519 goto shut; 1520 } 1521 fdout = fileno(stdout); 1522 if (fdout < 0) 1523 { 1524 BIO_printf(bio_err,"bad fileno for stdout\n"); 1525 goto shut; 1526 } 1527 1528 if ((SSL_version(con) == DTLS1_VERSION) && 1529 DTLSv1_get_timeout(con, &timeout)) 1530 timeoutp = &timeout; 1531 else 1532 timeoutp = NULL; 1533 1534 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1535 { 1536 in_init=1; 1537 tty_on=0; 1538 } 1539 else 1540 { 1541 tty_on=1; 1542 if (in_init) 1543 { 1544 in_init=0; 1545 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1546 #ifndef OPENSSL_NO_TLSEXT 1547 if (servername != NULL && !SSL_session_reused(con)) 1548 { 1549 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1550 } 1551 #endif 1552 #endif 1553 if (sess_out) 1554 { 1555 BIO *stmp = BIO_new_file(sess_out, "w"); 1556 if (stmp) 1557 { 1558 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1559 BIO_free(stmp); 1560 } 1561 else 1562 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1563 } 1564 print_stuff(bio_c_out,con,full_log); 1565 if (full_log > 0) full_log--; 1566 1567 if (starttls_proto) 1568 { 1569 BIO_printf(bio_err,"%s",mbuf); 1570 /* We don't need to know any more */ 1571 starttls_proto = PROTO_OFF; 1572 } 1573 1574 if (reconnect) 1575 { 1576 reconnect--; 1577 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1578 SSL_shutdown(con); 1579 SSL_set_connect_state(con); 1580 SHUTDOWN(SSL_get_fd(con)); 1581 goto re_start; 1582 } 1583 } 1584 } 1585 1586 ssl_pending = read_ssl && SSL_pending(con); 1587 1588 if (!ssl_pending) 1589 { 1590 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1591 if (tty_on) 1592 { 1593 if (read_tty) openssl_fdset(fdin,&readfds); 1594 if (write_tty) openssl_fdset(fdout,&writefds); 1595 } 1596 if (read_ssl) 1597 openssl_fdset(SSL_get_fd(con),&readfds); 1598 if (write_ssl) 1599 openssl_fdset(SSL_get_fd(con),&writefds); 1600 #else 1601 if(!tty_on || !write_tty) { 1602 if (read_ssl) 1603 openssl_fdset(SSL_get_fd(con),&readfds); 1604 if (write_ssl) 1605 openssl_fdset(SSL_get_fd(con),&writefds); 1606 } 1607 #endif 1608 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1609 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1610 1611 /* Note: under VMS with SOCKETSHR the second parameter 1612 * is currently of type (int *) whereas under other 1613 * systems it is (void *) if you don't have a cast it 1614 * will choke the compiler: if you do have a cast then 1615 * you can either go for (int *) or (void *). 1616 */ 1617 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1618 /* Under Windows/DOS we make the assumption that we can 1619 * always write to the tty: therefore if we need to 1620 * write to the tty we just fall through. Otherwise 1621 * we timeout the select every second and see if there 1622 * are any keypresses. Note: this is a hack, in a proper 1623 * Windows application we wouldn't do this. 1624 */ 1625 i=0; 1626 if(!write_tty) { 1627 if(read_tty) { 1628 tv.tv_sec = 1; 1629 tv.tv_usec = 0; 1630 i=select(width,(void *)&readfds,(void *)&writefds, 1631 NULL,&tv); 1632 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1633 if(!i && (!_kbhit() || !read_tty) ) continue; 1634 #else 1635 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1636 #endif 1637 } else i=select(width,(void *)&readfds,(void *)&writefds, 1638 NULL,timeoutp); 1639 } 1640 #elif defined(OPENSSL_SYS_NETWARE) 1641 if(!write_tty) { 1642 if(read_tty) { 1643 tv.tv_sec = 1; 1644 tv.tv_usec = 0; 1645 i=select(width,(void *)&readfds,(void *)&writefds, 1646 NULL,&tv); 1647 } else i=select(width,(void *)&readfds,(void *)&writefds, 1648 NULL,timeoutp); 1649 } 1650 #elif defined(OPENSSL_SYS_BEOS_R5) 1651 /* Under BeOS-R5 the situation is similar to DOS */ 1652 i=0; 1653 stdin_set = 0; 1654 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 1655 if(!write_tty) { 1656 if(read_tty) { 1657 tv.tv_sec = 1; 1658 tv.tv_usec = 0; 1659 i=select(width,(void *)&readfds,(void *)&writefds, 1660 NULL,&tv); 1661 if (read(fdin, sbuf, 0) >= 0) 1662 stdin_set = 1; 1663 if (!i && (stdin_set != 1 || !read_tty)) 1664 continue; 1665 } else i=select(width,(void *)&readfds,(void *)&writefds, 1666 NULL,timeoutp); 1667 } 1668 (void)fcntl(fdin, F_SETFL, 0); 1669 #else 1670 i=select(width,(void *)&readfds,(void *)&writefds, 1671 NULL,timeoutp); 1672 #endif 1673 if ( i < 0) 1674 { 1675 BIO_printf(bio_err,"bad select %d\n", 1676 get_last_socket_error()); 1677 goto shut; 1678 /* goto end; */ 1679 } 1680 } 1681 1682 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1683 { 1684 BIO_printf(bio_err,"TIMEOUT occured\n"); 1685 } 1686 1687 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1688 { 1689 k=SSL_write(con,&(cbuf[cbuf_off]), 1690 (unsigned int)cbuf_len); 1691 switch (SSL_get_error(con,k)) 1692 { 1693 case SSL_ERROR_NONE: 1694 cbuf_off+=k; 1695 cbuf_len-=k; 1696 if (k <= 0) goto end; 1697 /* we have done a write(con,NULL,0); */ 1698 if (cbuf_len <= 0) 1699 { 1700 read_tty=1; 1701 write_ssl=0; 1702 } 1703 else /* if (cbuf_len > 0) */ 1704 { 1705 read_tty=0; 1706 write_ssl=1; 1707 } 1708 break; 1709 case SSL_ERROR_WANT_WRITE: 1710 BIO_printf(bio_c_out,"write W BLOCK\n"); 1711 write_ssl=1; 1712 read_tty=0; 1713 break; 1714 case SSL_ERROR_WANT_READ: 1715 BIO_printf(bio_c_out,"write R BLOCK\n"); 1716 write_tty=0; 1717 read_ssl=1; 1718 write_ssl=0; 1719 break; 1720 case SSL_ERROR_WANT_X509_LOOKUP: 1721 BIO_printf(bio_c_out,"write X BLOCK\n"); 1722 break; 1723 case SSL_ERROR_ZERO_RETURN: 1724 if (cbuf_len != 0) 1725 { 1726 BIO_printf(bio_c_out,"shutdown\n"); 1727 ret = 0; 1728 goto shut; 1729 } 1730 else 1731 { 1732 read_tty=1; 1733 write_ssl=0; 1734 break; 1735 } 1736 1737 case SSL_ERROR_SYSCALL: 1738 if ((k != 0) || (cbuf_len != 0)) 1739 { 1740 BIO_printf(bio_err,"write:errno=%d\n", 1741 get_last_socket_error()); 1742 goto shut; 1743 } 1744 else 1745 { 1746 read_tty=1; 1747 write_ssl=0; 1748 } 1749 break; 1750 case SSL_ERROR_SSL: 1751 ERR_print_errors(bio_err); 1752 goto shut; 1753 } 1754 } 1755 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1756 /* Assume Windows/DOS/BeOS can always write */ 1757 else if (!ssl_pending && write_tty) 1758 #else 1759 else if (!ssl_pending && FD_ISSET(fdout,&writefds)) 1760 #endif 1761 { 1762 #ifdef CHARSET_EBCDIC 1763 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1764 #endif 1765 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1766 1767 if (i <= 0) 1768 { 1769 BIO_printf(bio_c_out,"DONE\n"); 1770 ret = 0; 1771 goto shut; 1772 /* goto end; */ 1773 } 1774 1775 sbuf_len-=i;; 1776 sbuf_off+=i; 1777 if (sbuf_len <= 0) 1778 { 1779 read_ssl=1; 1780 write_tty=0; 1781 } 1782 } 1783 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1784 { 1785 #ifdef RENEG 1786 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1787 #endif 1788 #if 1 1789 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1790 #else 1791 /* Demo for pending and peek :-) */ 1792 k=SSL_read(con,sbuf,16); 1793 { char zbuf[10240]; 1794 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1795 } 1796 #endif 1797 1798 switch (SSL_get_error(con,k)) 1799 { 1800 case SSL_ERROR_NONE: 1801 if (k <= 0) 1802 goto end; 1803 sbuf_off=0; 1804 sbuf_len=k; 1805 1806 read_ssl=0; 1807 write_tty=1; 1808 break; 1809 case SSL_ERROR_WANT_WRITE: 1810 BIO_printf(bio_c_out,"read W BLOCK\n"); 1811 write_ssl=1; 1812 read_tty=0; 1813 break; 1814 case SSL_ERROR_WANT_READ: 1815 BIO_printf(bio_c_out,"read R BLOCK\n"); 1816 write_tty=0; 1817 read_ssl=1; 1818 if ((read_tty == 0) && (write_ssl == 0)) 1819 write_ssl=1; 1820 break; 1821 case SSL_ERROR_WANT_X509_LOOKUP: 1822 BIO_printf(bio_c_out,"read X BLOCK\n"); 1823 break; 1824 case SSL_ERROR_SYSCALL: 1825 ret=get_last_socket_error(); 1826 BIO_printf(bio_err,"read:errno=%d\n",ret); 1827 goto shut; 1828 case SSL_ERROR_ZERO_RETURN: 1829 BIO_printf(bio_c_out,"closed\n"); 1830 ret=0; 1831 goto shut; 1832 case SSL_ERROR_SSL: 1833 ERR_print_errors(bio_err); 1834 goto shut; 1835 /* break; */ 1836 } 1837 } 1838 1839 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1840 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1841 else if (_kbhit()) 1842 #else 1843 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1844 #endif 1845 #elif defined (OPENSSL_SYS_NETWARE) 1846 else if (_kbhit()) 1847 #elif defined(OPENSSL_SYS_BEOS_R5) 1848 else if (stdin_set) 1849 #else 1850 else if (FD_ISSET(fdin,&readfds)) 1851 #endif 1852 { 1853 if (crlf) 1854 { 1855 int j, lf_num; 1856 1857 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1858 lf_num = 0; 1859 /* both loops are skipped when i <= 0 */ 1860 for (j = 0; j < i; j++) 1861 if (cbuf[j] == '\n') 1862 lf_num++; 1863 for (j = i-1; j >= 0; j--) 1864 { 1865 cbuf[j+lf_num] = cbuf[j]; 1866 if (cbuf[j] == '\n') 1867 { 1868 lf_num--; 1869 i++; 1870 cbuf[j+lf_num] = '\r'; 1871 } 1872 } 1873 assert(lf_num == 0); 1874 } 1875 else 1876 i=raw_read_stdin(cbuf,BUFSIZZ); 1877 1878 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1879 { 1880 BIO_printf(bio_err,"DONE\n"); 1881 ret=0; 1882 goto shut; 1883 } 1884 1885 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1886 { 1887 BIO_printf(bio_err,"RENEGOTIATING\n"); 1888 SSL_renegotiate(con); 1889 cbuf_len=0; 1890 } 1891 #ifndef OPENSSL_NO_HEARTBEATS 1892 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1893 { 1894 BIO_printf(bio_err,"HEARTBEATING\n"); 1895 SSL_heartbeat(con); 1896 cbuf_len=0; 1897 } 1898 #endif 1899 else 1900 { 1901 cbuf_len=i; 1902 cbuf_off=0; 1903 #ifdef CHARSET_EBCDIC 1904 ebcdic2ascii(cbuf, cbuf, i); 1905 #endif 1906 } 1907 1908 write_ssl=1; 1909 read_tty=0; 1910 } 1911 } 1912 1913 ret=0; 1914 shut: 1915 if (in_init) 1916 print_stuff(bio_c_out,con,full_log); 1917 SSL_shutdown(con); 1918 SHUTDOWN(SSL_get_fd(con)); 1919 end: 1920 if (con != NULL) 1921 { 1922 if (prexit != 0) 1923 print_stuff(bio_c_out,con,1); 1924 SSL_free(con); 1925 } 1926 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1927 if (next_proto.data) 1928 OPENSSL_free(next_proto.data); 1929 #endif 1930 if (ctx != NULL) SSL_CTX_free(ctx); 1931 if (cert) 1932 X509_free(cert); 1933 if (key) 1934 EVP_PKEY_free(key); 1935 if (pass) 1936 OPENSSL_free(pass); 1937 if (vpm) 1938 X509_VERIFY_PARAM_free(vpm); 1939 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1940 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1941 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1942 if (bio_c_out != NULL) 1943 { 1944 BIO_free(bio_c_out); 1945 bio_c_out=NULL; 1946 } 1947 apps_shutdown(); 1948 OPENSSL_EXIT(ret); 1949 } 1950 1951 1952 static void print_stuff(BIO *bio, SSL *s, int full) 1953 { 1954 X509 *peer=NULL; 1955 char *p; 1956 static const char *space=" "; 1957 char buf[BUFSIZ]; 1958 STACK_OF(X509) *sk; 1959 STACK_OF(X509_NAME) *sk2; 1960 const SSL_CIPHER *c; 1961 X509_NAME *xn; 1962 int j,i; 1963 #ifndef OPENSSL_NO_COMP 1964 const COMP_METHOD *comp, *expansion; 1965 #endif 1966 unsigned char *exportedkeymat; 1967 1968 if (full) 1969 { 1970 int got_a_chain = 0; 1971 1972 sk=SSL_get_peer_cert_chain(s); 1973 if (sk != NULL) 1974 { 1975 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1976 1977 BIO_printf(bio,"---\nCertificate chain\n"); 1978 for (i=0; i<sk_X509_num(sk); i++) 1979 { 1980 X509_NAME_oneline(X509_get_subject_name( 1981 sk_X509_value(sk,i)),buf,sizeof buf); 1982 BIO_printf(bio,"%2d s:%s\n",i,buf); 1983 X509_NAME_oneline(X509_get_issuer_name( 1984 sk_X509_value(sk,i)),buf,sizeof buf); 1985 BIO_printf(bio," i:%s\n",buf); 1986 if (c_showcerts) 1987 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1988 } 1989 } 1990 1991 BIO_printf(bio,"---\n"); 1992 peer=SSL_get_peer_certificate(s); 1993 if (peer != NULL) 1994 { 1995 BIO_printf(bio,"Server certificate\n"); 1996 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1997 PEM_write_bio_X509(bio,peer); 1998 X509_NAME_oneline(X509_get_subject_name(peer), 1999 buf,sizeof buf); 2000 BIO_printf(bio,"subject=%s\n",buf); 2001 X509_NAME_oneline(X509_get_issuer_name(peer), 2002 buf,sizeof buf); 2003 BIO_printf(bio,"issuer=%s\n",buf); 2004 } 2005 else 2006 BIO_printf(bio,"no peer certificate available\n"); 2007 2008 sk2=SSL_get_client_CA_list(s); 2009 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 2010 { 2011 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 2012 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2013 { 2014 xn=sk_X509_NAME_value(sk2,i); 2015 X509_NAME_oneline(xn,buf,sizeof(buf)); 2016 BIO_write(bio,buf,strlen(buf)); 2017 BIO_write(bio,"\n",1); 2018 } 2019 } 2020 else 2021 { 2022 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2023 } 2024 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2025 if (p != NULL) 2026 { 2027 /* This works only for SSL 2. In later protocol 2028 * versions, the client does not know what other 2029 * ciphers (in addition to the one to be used 2030 * in the current connection) the server supports. */ 2031 2032 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2033 j=i=0; 2034 while (*p) 2035 { 2036 if (*p == ':') 2037 { 2038 BIO_write(bio,space,15-j%25); 2039 i++; 2040 j=0; 2041 BIO_write(bio,((i%3)?" ":"\n"),1); 2042 } 2043 else 2044 { 2045 BIO_write(bio,p,1); 2046 j++; 2047 } 2048 p++; 2049 } 2050 BIO_write(bio,"\n",1); 2051 } 2052 2053 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2054 BIO_number_read(SSL_get_rbio(s)), 2055 BIO_number_written(SSL_get_wbio(s))); 2056 } 2057 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2058 c=SSL_get_current_cipher(s); 2059 BIO_printf(bio,"%s, Cipher is %s\n", 2060 SSL_CIPHER_get_version(c), 2061 SSL_CIPHER_get_name(c)); 2062 if (peer != NULL) { 2063 EVP_PKEY *pktmp; 2064 pktmp = X509_get_pubkey(peer); 2065 BIO_printf(bio,"Server public key is %d bit\n", 2066 EVP_PKEY_bits(pktmp)); 2067 EVP_PKEY_free(pktmp); 2068 } 2069 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2070 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2071 #ifndef OPENSSL_NO_COMP 2072 comp=SSL_get_current_compression(s); 2073 expansion=SSL_get_current_expansion(s); 2074 BIO_printf(bio,"Compression: %s\n", 2075 comp ? SSL_COMP_get_name(comp) : "NONE"); 2076 BIO_printf(bio,"Expansion: %s\n", 2077 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2078 #endif 2079 2080 #ifdef SSL_DEBUG 2081 { 2082 /* Print out local port of connection: useful for debugging */ 2083 int sock; 2084 struct sockaddr_in ladd; 2085 socklen_t ladd_size = sizeof(ladd); 2086 sock = SSL_get_fd(s); 2087 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2088 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2089 } 2090 #endif 2091 2092 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2093 if (next_proto.status != -1) { 2094 const unsigned char *proto; 2095 unsigned int proto_len; 2096 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2097 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2098 BIO_write(bio, proto, proto_len); 2099 BIO_write(bio, "\n", 1); 2100 } 2101 #endif 2102 2103 #ifndef OPENSSL_NO_SRTP 2104 { 2105 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2106 2107 if(srtp_profile) 2108 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2109 srtp_profile->name); 2110 } 2111 #endif 2112 2113 SSL_SESSION_print(bio,SSL_get_session(s)); 2114 if (keymatexportlabel != NULL) 2115 { 2116 BIO_printf(bio, "Keying material exporter:\n"); 2117 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2118 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2119 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2120 if (exportedkeymat != NULL) 2121 { 2122 if (!SSL_export_keying_material(s, exportedkeymat, 2123 keymatexportlen, 2124 keymatexportlabel, 2125 strlen(keymatexportlabel), 2126 NULL, 0, 0)) 2127 { 2128 BIO_printf(bio, " Error\n"); 2129 } 2130 else 2131 { 2132 BIO_printf(bio, " Keying material: "); 2133 for (i=0; i<keymatexportlen; i++) 2134 BIO_printf(bio, "%02X", 2135 exportedkeymat[i]); 2136 BIO_printf(bio, "\n"); 2137 } 2138 OPENSSL_free(exportedkeymat); 2139 } 2140 } 2141 BIO_printf(bio,"---\n"); 2142 if (peer != NULL) 2143 X509_free(peer); 2144 /* flush, or debugging output gets mixed with http response */ 2145 (void)BIO_flush(bio); 2146 } 2147 2148 #ifndef OPENSSL_NO_TLSEXT 2149 2150 static int ocsp_resp_cb(SSL *s, void *arg) 2151 { 2152 const unsigned char *p; 2153 int len; 2154 OCSP_RESPONSE *rsp; 2155 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2156 BIO_puts(arg, "OCSP response: "); 2157 if (!p) 2158 { 2159 BIO_puts(arg, "no response sent\n"); 2160 return 1; 2161 } 2162 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2163 if (!rsp) 2164 { 2165 BIO_puts(arg, "response parse error\n"); 2166 BIO_dump_indent(arg, (char *)p, len, 4); 2167 return 0; 2168 } 2169 BIO_puts(arg, "\n======================================\n"); 2170 OCSP_RESPONSE_print(arg, rsp, 0); 2171 BIO_puts(arg, "======================================\n"); 2172 OCSP_RESPONSE_free(rsp); 2173 return 1; 2174 } 2175 2176 #endif 2177
Indexes created Sat Feb 28 05:31:39 UTC 2026