s_client.c revision 1.2.4.1.6.2
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," -mtu - set the link layer MTU\n"); 341 BIO_printf(bio_err," -no_tls1_2/-no_tls1_1/-no_tls1/-no_ssl3/-no_ssl2 - turn off that protocol\n"); 342 BIO_printf(bio_err," -bugs - Switch on all SSL implementation bug workarounds\n"); 343 BIO_printf(bio_err," -serverpref - Use server's cipher preferences (only SSLv2)\n"); 344 BIO_printf(bio_err," -cipher - preferred cipher to use, use the 'openssl ciphers'\n"); 345 BIO_printf(bio_err," command to see what is available\n"); 346 BIO_printf(bio_err," -starttls prot - use the STARTTLS command before starting TLS\n"); 347 BIO_printf(bio_err," for those protocols that support it, where\n"); 348 BIO_printf(bio_err," 'prot' defines which one to assume. Currently,\n"); 349 BIO_printf(bio_err," only \"smtp\", \"pop3\", \"imap\", \"ftp\" and \"xmpp\"\n"); 350 BIO_printf(bio_err," are supported.\n"); 351 #ifndef OPENSSL_NO_ENGINE 352 BIO_printf(bio_err," -engine id - Initialise and use the specified engine\n"); 353 #endif 354 BIO_printf(bio_err," -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, LIST_SEPARATOR_CHAR); 355 BIO_printf(bio_err," -sess_out arg - file to write SSL session to\n"); 356 BIO_printf(bio_err," -sess_in arg - file to read SSL session from\n"); 357 #ifndef OPENSSL_NO_TLSEXT 358 BIO_printf(bio_err," -servername host - Set TLS extension servername in ClientHello\n"); 359 BIO_printf(bio_err," -tlsextdebug - hex dump of all TLS extensions received\n"); 360 BIO_printf(bio_err," -status - request certificate status from server\n"); 361 BIO_printf(bio_err," -no_ticket - disable use of RFC4507bis session tickets\n"); 362 # ifndef OPENSSL_NO_NEXTPROTONEG 363 BIO_printf(bio_err," -nextprotoneg arg - enable NPN extension, considering named protocols supported (comma-separated list)\n"); 364 # endif 365 #endif 366 BIO_printf(bio_err," -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 367 #ifndef OPENSSL_NO_SRTP 368 BIO_printf(bio_err," -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 369 #endif 370 BIO_printf(bio_err," -keymatexport label - Export keying material using label\n"); 371 BIO_printf(bio_err," -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 372 } 373 374 #ifndef OPENSSL_NO_TLSEXT 375 376 /* This is a context that we pass to callbacks */ 377 typedef struct tlsextctx_st { 378 BIO * biodebug; 379 int ack; 380 } tlsextctx; 381 382 383 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 384 { 385 tlsextctx * p = (tlsextctx *) arg; 386 const char * hn= SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 387 if (SSL_get_servername_type(s) != -1) 388 p->ack = !SSL_session_reused(s) && hn != NULL; 389 else 390 BIO_printf(bio_err,"Can't use SSL_get_servername\n"); 391 392 return SSL_TLSEXT_ERR_OK; 393 } 394 395 #ifndef OPENSSL_NO_SRP 396 397 /* This is a context that we pass to all callbacks */ 398 typedef struct srp_arg_st 399 { 400 char *srppassin; 401 char *srplogin; 402 int msg; /* copy from c_msg */ 403 int debug; /* copy from c_debug */ 404 int amp; /* allow more groups */ 405 int strength /* minimal size for N */ ; 406 } SRP_ARG; 407 408 #define SRP_NUMBER_ITERATIONS_FOR_PRIME 64 409 410 static int srp_Verify_N_and_g(BIGNUM *N, BIGNUM *g) 411 { 412 BN_CTX *bn_ctx = BN_CTX_new(); 413 BIGNUM *p = BN_new(); 414 BIGNUM *r = BN_new(); 415 int ret = 416 g != NULL && N != NULL && bn_ctx != NULL && BN_is_odd(N) && 417 BN_is_prime_ex(N, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 418 p != NULL && BN_rshift1(p, N) && 419 420 /* p = (N-1)/2 */ 421 BN_is_prime_ex(p, SRP_NUMBER_ITERATIONS_FOR_PRIME, bn_ctx, NULL) && 422 r != NULL && 423 424 /* verify g^((N-1)/2) == -1 (mod N) */ 425 BN_mod_exp(r, g, p, N, bn_ctx) && 426 BN_add_word(r, 1) && 427 BN_cmp(r, N) == 0; 428 429 if(r) 430 BN_free(r); 431 if(p) 432 BN_free(p); 433 if(bn_ctx) 434 BN_CTX_free(bn_ctx); 435 return ret; 436 } 437 438 /* This callback is used here for two purposes: 439 - extended debugging 440 - making some primality tests for unknown groups 441 The callback is only called for a non default group. 442 443 An application does not need the call back at all if 444 only the stanard groups are used. In real life situations, 445 client and server already share well known groups, 446 thus there is no need to verify them. 447 Furthermore, in case that a server actually proposes a group that 448 is not one of those defined in RFC 5054, it is more appropriate 449 to add the group to a static list and then compare since 450 primality tests are rather cpu consuming. 451 */ 452 453 static int MS_CALLBACK ssl_srp_verify_param_cb(SSL *s, void *arg) 454 { 455 SRP_ARG *srp_arg = (SRP_ARG *)arg; 456 BIGNUM *N = NULL, *g = NULL; 457 if (!(N = SSL_get_srp_N(s)) || !(g = SSL_get_srp_g(s))) 458 return 0; 459 if (srp_arg->debug || srp_arg->msg || srp_arg->amp == 1) 460 { 461 BIO_printf(bio_err, "SRP parameters:\n"); 462 BIO_printf(bio_err,"\tN="); BN_print(bio_err,N); 463 BIO_printf(bio_err,"\n\tg="); BN_print(bio_err,g); 464 BIO_printf(bio_err,"\n"); 465 } 466 467 if (SRP_check_known_gN_param(g,N)) 468 return 1; 469 470 if (srp_arg->amp == 1) 471 { 472 if (srp_arg->debug) 473 BIO_printf(bio_err, "SRP param N and g are not known params, going to check deeper.\n"); 474 475 /* The srp_moregroups is a real debugging feature. 476 Implementors should rather add the value to the known ones. 477 The minimal size has already been tested. 478 */ 479 if (BN_num_bits(g) <= BN_BITS && srp_Verify_N_and_g(N,g)) 480 return 1; 481 } 482 BIO_printf(bio_err, "SRP param N and g rejected.\n"); 483 return 0; 484 } 485 486 #define PWD_STRLEN 1024 487 488 static char * MS_CALLBACK ssl_give_srp_client_pwd_cb(SSL *s, void *arg) 489 { 490 SRP_ARG *srp_arg = (SRP_ARG *)arg; 491 char *pass = (char *)OPENSSL_malloc(PWD_STRLEN+1); 492 PW_CB_DATA cb_tmp; 493 int l; 494 495 cb_tmp.password = (char *)srp_arg->srppassin; 496 cb_tmp.prompt_info = "SRP user"; 497 if ((l = password_callback(pass, PWD_STRLEN, 0, &cb_tmp))<0) 498 { 499 BIO_printf (bio_err, "Can't read Password\n"); 500 OPENSSL_free(pass); 501 return NULL; 502 } 503 *(pass+l)= '\0'; 504 505 return pass; 506 } 507 508 #endif 509 #ifndef OPENSSL_NO_SRTP 510 char *srtp_profiles = NULL; 511 #endif 512 513 # ifndef OPENSSL_NO_NEXTPROTONEG 514 /* This the context that we pass to next_proto_cb */ 515 typedef struct tlsextnextprotoctx_st { 516 unsigned char *data; 517 unsigned short len; 518 int status; 519 } tlsextnextprotoctx; 520 521 static tlsextnextprotoctx next_proto; 522 523 static int next_proto_cb(SSL *s, unsigned char **out, unsigned char *outlen, const unsigned char *in, unsigned int inlen, void *arg) 524 { 525 tlsextnextprotoctx *ctx = arg; 526 527 if (!c_quiet) 528 { 529 /* We can assume that |in| is syntactically valid. */ 530 unsigned i; 531 BIO_printf(bio_c_out, "Protocols advertised by server: "); 532 for (i = 0; i < inlen; ) 533 { 534 if (i) 535 BIO_write(bio_c_out, ", ", 2); 536 BIO_write(bio_c_out, &in[i + 1], in[i]); 537 i += in[i] + 1; 538 } 539 BIO_write(bio_c_out, "\n", 1); 540 } 541 542 ctx->status = SSL_select_next_proto(out, outlen, in, inlen, ctx->data, ctx->len); 543 return SSL_TLSEXT_ERR_OK; 544 } 545 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 546 #endif 547 548 enum 549 { 550 PROTO_OFF = 0, 551 PROTO_SMTP, 552 PROTO_POP3, 553 PROTO_IMAP, 554 PROTO_FTP, 555 PROTO_XMPP 556 }; 557 558 int MAIN(int, char **); 559 560 int MAIN(int argc, char **argv) 561 { 562 unsigned int off=0, clr=0; 563 SSL *con=NULL; 564 #ifndef OPENSSL_NO_KRB5 565 KSSL_CTX *kctx; 566 #endif 567 int s,k,width,state=0; 568 char *cbuf=NULL,*sbuf=NULL,*mbuf=NULL; 569 int cbuf_len,cbuf_off; 570 int sbuf_len,sbuf_off; 571 fd_set readfds,writefds; 572 int fdin, fdout; 573 short port=PORT; 574 int full_log=1; 575 char *host=SSL_HOST_NAME; 576 char *cert_file=NULL,*key_file=NULL; 577 int cert_format = FORMAT_PEM, key_format = FORMAT_PEM; 578 char *passarg = NULL, *pass = NULL; 579 X509 *cert = NULL; 580 EVP_PKEY *key = NULL; 581 char *CApath=NULL,*CAfile=NULL,*cipher=NULL; 582 int reconnect=0,badop=0,verify=SSL_VERIFY_NONE,bugs=0; 583 int crlf=0; 584 int write_tty,read_tty,write_ssl,read_ssl,tty_on,ssl_pending; 585 SSL_CTX *ctx=NULL; 586 int ret=1,in_init=1,i,nbio_test=0; 587 int starttls_proto = PROTO_OFF; 588 int prexit = 0; 589 X509_VERIFY_PARAM *vpm = NULL; 590 int badarg = 0; 591 const SSL_METHOD *meth=NULL; 592 int socket_type=SOCK_STREAM; 593 BIO *sbio; 594 char *inrand=NULL; 595 int mbuf_len=0; 596 struct timeval timeout, *timeoutp; 597 #ifndef OPENSSL_NO_ENGINE 598 char *engine_id=NULL; 599 char *ssl_client_engine_id=NULL; 600 ENGINE *ssl_client_engine=NULL; 601 #endif 602 ENGINE *e=NULL; 603 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 604 struct timeval tv; 605 #if defined(OPENSSL_SYS_BEOS_R5) 606 int stdin_set = 0; 607 #endif 608 #endif 609 #ifndef OPENSSL_NO_TLSEXT 610 char *servername = NULL; 611 tlsextctx tlsextcbp = 612 {NULL,0}; 613 # ifndef OPENSSL_NO_NEXTPROTONEG 614 const char *next_proto_neg_in = NULL; 615 # endif 616 #endif 617 char *sess_in = NULL; 618 char *sess_out = NULL; 619 struct sockaddr peer; 620 int peerlen = sizeof(peer); 621 int enable_timeouts = 0 ; 622 long socket_mtu = 0; 623 #ifndef OPENSSL_NO_JPAKE 624 char *jpake_secret = NULL; 625 #endif 626 #ifndef OPENSSL_NO_SRP 627 char * srppass = NULL; 628 int srp_lateuser = 0; 629 SRP_ARG srp_arg = {NULL,NULL,0,0,0,1024}; 630 #endif 631 632 meth=SSLv23_client_method(); 633 634 apps_startup(); 635 c_Pause=0; 636 c_quiet=0; 637 c_ign_eof=0; 638 c_debug=0; 639 c_msg=0; 640 c_showcerts=0; 641 642 if (bio_err == NULL) 643 bio_err=BIO_new_fp(stderr,BIO_NOCLOSE); 644 645 if (!load_config(bio_err, NULL)) 646 goto end; 647 648 if ( ((cbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 649 ((sbuf=OPENSSL_malloc(BUFSIZZ)) == NULL) || 650 ((mbuf=OPENSSL_malloc(BUFSIZZ)) == NULL)) 651 { 652 BIO_printf(bio_err,"out of memory\n"); 653 goto end; 654 } 655 656 verify_depth=0; 657 verify_error=X509_V_OK; 658 #ifdef FIONBIO 659 c_nbio=0; 660 #endif 661 662 argc--; 663 argv++; 664 while (argc >= 1) 665 { 666 if (strcmp(*argv,"-host") == 0) 667 { 668 if (--argc < 1) goto bad; 669 host= *(++argv); 670 } 671 else if (strcmp(*argv,"-port") == 0) 672 { 673 if (--argc < 1) goto bad; 674 port=atoi(*(++argv)); 675 if (port == 0) goto bad; 676 } 677 else if (strcmp(*argv,"-connect") == 0) 678 { 679 if (--argc < 1) goto bad; 680 if (!extract_host_port(*(++argv),&host,NULL,&port)) 681 goto bad; 682 } 683 else if (strcmp(*argv,"-verify") == 0) 684 { 685 verify=SSL_VERIFY_PEER; 686 if (--argc < 1) goto bad; 687 verify_depth=atoi(*(++argv)); 688 BIO_printf(bio_err,"verify depth is %d\n",verify_depth); 689 } 690 else if (strcmp(*argv,"-cert") == 0) 691 { 692 if (--argc < 1) goto bad; 693 cert_file= *(++argv); 694 } 695 else if (strcmp(*argv,"-sess_out") == 0) 696 { 697 if (--argc < 1) goto bad; 698 sess_out = *(++argv); 699 } 700 else if (strcmp(*argv,"-sess_in") == 0) 701 { 702 if (--argc < 1) goto bad; 703 sess_in = *(++argv); 704 } 705 else if (strcmp(*argv,"-certform") == 0) 706 { 707 if (--argc < 1) goto bad; 708 cert_format = str2fmt(*(++argv)); 709 } 710 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) 711 { 712 if (badarg) 713 goto bad; 714 continue; 715 } 716 else if (strcmp(*argv,"-verify_return_error") == 0) 717 verify_return_error = 1; 718 else if (strcmp(*argv,"-prexit") == 0) 719 prexit=1; 720 else if (strcmp(*argv,"-crlf") == 0) 721 crlf=1; 722 else if (strcmp(*argv,"-quiet") == 0) 723 { 724 c_quiet=1; 725 c_ign_eof=1; 726 } 727 else if (strcmp(*argv,"-ign_eof") == 0) 728 c_ign_eof=1; 729 else if (strcmp(*argv,"-no_ign_eof") == 0) 730 c_ign_eof=0; 731 else if (strcmp(*argv,"-pause") == 0) 732 c_Pause=1; 733 else if (strcmp(*argv,"-debug") == 0) 734 c_debug=1; 735 #ifndef OPENSSL_NO_TLSEXT 736 else if (strcmp(*argv,"-tlsextdebug") == 0) 737 c_tlsextdebug=1; 738 else if (strcmp(*argv,"-status") == 0) 739 c_status_req=1; 740 #endif 741 #ifdef WATT32 742 else if (strcmp(*argv,"-wdebug") == 0) 743 dbug_init(); 744 #endif 745 else if (strcmp(*argv,"-msg") == 0) 746 c_msg=1; 747 else if (strcmp(*argv,"-showcerts") == 0) 748 c_showcerts=1; 749 else if (strcmp(*argv,"-nbio_test") == 0) 750 nbio_test=1; 751 else if (strcmp(*argv,"-state") == 0) 752 state=1; 753 #ifndef OPENSSL_NO_PSK 754 else if (strcmp(*argv,"-psk_identity") == 0) 755 { 756 if (--argc < 1) goto bad; 757 psk_identity=*(++argv); 758 } 759 else if (strcmp(*argv,"-psk") == 0) 760 { 761 size_t j; 762 763 if (--argc < 1) goto bad; 764 psk_key=*(++argv); 765 for (j = 0; j < strlen(psk_key); j++) 766 { 767 if (isxdigit((unsigned char)psk_key[j])) 768 continue; 769 BIO_printf(bio_err,"Not a hex number '%s'\n",*argv); 770 goto bad; 771 } 772 } 773 #endif 774 #ifndef OPENSSL_NO_SRP 775 else if (strcmp(*argv,"-srpuser") == 0) 776 { 777 if (--argc < 1) goto bad; 778 srp_arg.srplogin= *(++argv); 779 meth=TLSv1_client_method(); 780 } 781 else if (strcmp(*argv,"-srppass") == 0) 782 { 783 if (--argc < 1) goto bad; 784 srppass= *(++argv); 785 meth=TLSv1_client_method(); 786 } 787 else if (strcmp(*argv,"-srp_strength") == 0) 788 { 789 if (--argc < 1) goto bad; 790 srp_arg.strength=atoi(*(++argv)); 791 BIO_printf(bio_err,"SRP minimal length for N is %d\n",srp_arg.strength); 792 meth=TLSv1_client_method(); 793 } 794 else if (strcmp(*argv,"-srp_lateuser") == 0) 795 { 796 srp_lateuser= 1; 797 meth=TLSv1_client_method(); 798 } 799 else if (strcmp(*argv,"-srp_moregroups") == 0) 800 { 801 srp_arg.amp=1; 802 meth=TLSv1_client_method(); 803 } 804 #endif 805 #ifndef OPENSSL_NO_SSL2 806 else if (strcmp(*argv,"-ssl2") == 0) 807 meth=SSLv2_client_method(); 808 #endif 809 #ifndef OPENSSL_NO_SSL3 810 else if (strcmp(*argv,"-ssl3") == 0) 811 meth=SSLv3_client_method(); 812 #endif 813 #ifndef OPENSSL_NO_TLS1 814 else if (strcmp(*argv,"-tls1_2") == 0) 815 meth=TLSv1_2_client_method(); 816 else if (strcmp(*argv,"-tls1_1") == 0) 817 meth=TLSv1_1_client_method(); 818 else if (strcmp(*argv,"-tls1") == 0) 819 meth=TLSv1_client_method(); 820 #endif 821 #ifndef OPENSSL_NO_DTLS1 822 else if (strcmp(*argv,"-dtls1") == 0) 823 { 824 meth=DTLSv1_client_method(); 825 socket_type=SOCK_DGRAM; 826 } 827 else if (strcmp(*argv,"-timeout") == 0) 828 enable_timeouts=1; 829 else if (strcmp(*argv,"-mtu") == 0) 830 { 831 if (--argc < 1) goto bad; 832 socket_mtu = atol(*(++argv)); 833 } 834 #endif 835 else if (strcmp(*argv,"-bugs") == 0) 836 bugs=1; 837 else if (strcmp(*argv,"-keyform") == 0) 838 { 839 if (--argc < 1) goto bad; 840 key_format = str2fmt(*(++argv)); 841 } 842 else if (strcmp(*argv,"-pass") == 0) 843 { 844 if (--argc < 1) goto bad; 845 passarg = *(++argv); 846 } 847 else if (strcmp(*argv,"-key") == 0) 848 { 849 if (--argc < 1) goto bad; 850 key_file= *(++argv); 851 } 852 else if (strcmp(*argv,"-reconnect") == 0) 853 { 854 reconnect=5; 855 } 856 else if (strcmp(*argv,"-CApath") == 0) 857 { 858 if (--argc < 1) goto bad; 859 CApath= *(++argv); 860 } 861 else if (strcmp(*argv,"-CAfile") == 0) 862 { 863 if (--argc < 1) goto bad; 864 CAfile= *(++argv); 865 } 866 else if (strcmp(*argv,"-no_tls1_2") == 0) 867 off|=SSL_OP_NO_TLSv1_2; 868 else if (strcmp(*argv,"-no_tls1_1") == 0) 869 off|=SSL_OP_NO_TLSv1_1; 870 else if (strcmp(*argv,"-no_tls1") == 0) 871 off|=SSL_OP_NO_TLSv1; 872 else if (strcmp(*argv,"-no_ssl3") == 0) 873 off|=SSL_OP_NO_SSLv3; 874 else if (strcmp(*argv,"-no_ssl2") == 0) 875 off|=SSL_OP_NO_SSLv2; 876 else if (strcmp(*argv,"-no_comp") == 0) 877 { off|=SSL_OP_NO_COMPRESSION; } 878 #ifndef OPENSSL_NO_TLSEXT 879 else if (strcmp(*argv,"-no_ticket") == 0) 880 { off|=SSL_OP_NO_TICKET; } 881 # ifndef OPENSSL_NO_NEXTPROTONEG 882 else if (strcmp(*argv,"-nextprotoneg") == 0) 883 { 884 if (--argc < 1) goto bad; 885 next_proto_neg_in = *(++argv); 886 } 887 # endif 888 #endif 889 else if (strcmp(*argv,"-serverpref") == 0) 890 off|=SSL_OP_CIPHER_SERVER_PREFERENCE; 891 else if (strcmp(*argv,"-legacy_renegotiation") == 0) 892 off|=SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 893 else if (strcmp(*argv,"-legacy_server_connect") == 0) 894 { off|=SSL_OP_LEGACY_SERVER_CONNECT; } 895 else if (strcmp(*argv,"-no_legacy_server_connect") == 0) 896 { clr|=SSL_OP_LEGACY_SERVER_CONNECT; } 897 else if (strcmp(*argv,"-cipher") == 0) 898 { 899 if (--argc < 1) goto bad; 900 cipher= *(++argv); 901 } 902 #ifdef FIONBIO 903 else if (strcmp(*argv,"-nbio") == 0) 904 { c_nbio=1; } 905 #endif 906 else if (strcmp(*argv,"-starttls") == 0) 907 { 908 if (--argc < 1) goto bad; 909 ++argv; 910 if (strcmp(*argv,"smtp") == 0) 911 starttls_proto = PROTO_SMTP; 912 else if (strcmp(*argv,"pop3") == 0) 913 starttls_proto = PROTO_POP3; 914 else if (strcmp(*argv,"imap") == 0) 915 starttls_proto = PROTO_IMAP; 916 else if (strcmp(*argv,"ftp") == 0) 917 starttls_proto = PROTO_FTP; 918 else if (strcmp(*argv, "xmpp") == 0) 919 starttls_proto = PROTO_XMPP; 920 else 921 goto bad; 922 } 923 #ifndef OPENSSL_NO_ENGINE 924 else if (strcmp(*argv,"-engine") == 0) 925 { 926 if (--argc < 1) goto bad; 927 engine_id = *(++argv); 928 } 929 else if (strcmp(*argv,"-ssl_client_engine") == 0) 930 { 931 if (--argc < 1) goto bad; 932 ssl_client_engine_id = *(++argv); 933 } 934 #endif 935 else if (strcmp(*argv,"-rand") == 0) 936 { 937 if (--argc < 1) goto bad; 938 inrand= *(++argv); 939 } 940 #ifndef OPENSSL_NO_TLSEXT 941 else if (strcmp(*argv,"-servername") == 0) 942 { 943 if (--argc < 1) goto bad; 944 servername= *(++argv); 945 /* meth=TLSv1_client_method(); */ 946 } 947 #endif 948 #ifndef OPENSSL_NO_JPAKE 949 else if (strcmp(*argv,"-jpake") == 0) 950 { 951 if (--argc < 1) goto bad; 952 jpake_secret = *++argv; 953 } 954 #endif 955 #ifndef OPENSSL_NO_SRTP 956 else if (strcmp(*argv,"-use_srtp") == 0) 957 { 958 if (--argc < 1) goto bad; 959 srtp_profiles = *(++argv); 960 } 961 #endif 962 else if (strcmp(*argv,"-keymatexport") == 0) 963 { 964 if (--argc < 1) goto bad; 965 keymatexportlabel= *(++argv); 966 } 967 else if (strcmp(*argv,"-keymatexportlen") == 0) 968 { 969 if (--argc < 1) goto bad; 970 keymatexportlen=atoi(*(++argv)); 971 if (keymatexportlen == 0) goto bad; 972 } 973 else 974 { 975 BIO_printf(bio_err,"unknown option %s\n",*argv); 976 badop=1; 977 break; 978 } 979 argc--; 980 argv++; 981 } 982 if (badop) 983 { 984 bad: 985 sc_usage(); 986 goto end; 987 } 988 989 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 990 if (jpake_secret) 991 { 992 if (psk_key) 993 { 994 BIO_printf(bio_err, 995 "Can't use JPAKE and PSK together\n"); 996 goto end; 997 } 998 psk_identity = "JPAKE"; 999 if (cipher) 1000 { 1001 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1002 goto end; 1003 } 1004 cipher = "PSK"; 1005 } 1006 #endif 1007 1008 OpenSSL_add_ssl_algorithms(); 1009 SSL_load_error_strings(); 1010 1011 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1012 next_proto.status = -1; 1013 if (next_proto_neg_in) 1014 { 1015 next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); 1016 if (next_proto.data == NULL) 1017 { 1018 BIO_printf(bio_err, "Error parsing -nextprotoneg argument\n"); 1019 goto end; 1020 } 1021 } 1022 else 1023 next_proto.data = NULL; 1024 #endif 1025 1026 #ifndef OPENSSL_NO_ENGINE 1027 e = setup_engine(bio_err, engine_id, 1); 1028 if (ssl_client_engine_id) 1029 { 1030 ssl_client_engine = ENGINE_by_id(ssl_client_engine_id); 1031 if (!ssl_client_engine) 1032 { 1033 BIO_printf(bio_err, 1034 "Error getting client auth engine\n"); 1035 goto end; 1036 } 1037 } 1038 1039 #endif 1040 if (!app_passwd(bio_err, passarg, NULL, &pass, NULL)) 1041 { 1042 BIO_printf(bio_err, "Error getting password\n"); 1043 goto end; 1044 } 1045 1046 if (key_file == NULL) 1047 key_file = cert_file; 1048 1049 1050 if (key_file) 1051 1052 { 1053 1054 key = load_key(bio_err, key_file, key_format, 0, pass, e, 1055 "client certificate private key file"); 1056 if (!key) 1057 { 1058 ERR_print_errors(bio_err); 1059 goto end; 1060 } 1061 1062 } 1063 1064 if (cert_file) 1065 1066 { 1067 cert = load_cert(bio_err,cert_file,cert_format, 1068 NULL, e, "client certificate file"); 1069 1070 if (!cert) 1071 { 1072 ERR_print_errors(bio_err); 1073 goto end; 1074 } 1075 } 1076 1077 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1078 && !RAND_status()) 1079 { 1080 BIO_printf(bio_err,"warning, not much extra random data, consider using the -rand option\n"); 1081 } 1082 if (inrand != NULL) 1083 BIO_printf(bio_err,"%ld semi-random bytes loaded\n", 1084 app_RAND_load_files(inrand)); 1085 1086 if (bio_c_out == NULL) 1087 { 1088 if (c_quiet && !c_debug && !c_msg) 1089 { 1090 bio_c_out=BIO_new(BIO_s_null()); 1091 } 1092 else 1093 { 1094 if (bio_c_out == NULL) 1095 bio_c_out=BIO_new_fp(stdout,BIO_NOCLOSE); 1096 } 1097 } 1098 1099 #ifndef OPENSSL_NO_SRP 1100 if(!app_passwd(bio_err, srppass, NULL, &srp_arg.srppassin, NULL)) 1101 { 1102 BIO_printf(bio_err, "Error getting password\n"); 1103 goto end; 1104 } 1105 #endif 1106 1107 ctx=SSL_CTX_new(meth); 1108 if (ctx == NULL) 1109 { 1110 ERR_print_errors(bio_err); 1111 goto end; 1112 } 1113 1114 if (vpm) 1115 SSL_CTX_set1_param(ctx, vpm); 1116 1117 #ifndef OPENSSL_NO_ENGINE 1118 if (ssl_client_engine) 1119 { 1120 if (!SSL_CTX_set_client_cert_engine(ctx, ssl_client_engine)) 1121 { 1122 BIO_puts(bio_err, "Error setting client auth engine\n"); 1123 ERR_print_errors(bio_err); 1124 ENGINE_free(ssl_client_engine); 1125 goto end; 1126 } 1127 ENGINE_free(ssl_client_engine); 1128 } 1129 #endif 1130 1131 #ifndef OPENSSL_NO_PSK 1132 #ifdef OPENSSL_NO_JPAKE 1133 if (psk_key != NULL) 1134 #else 1135 if (psk_key != NULL || jpake_secret) 1136 #endif 1137 { 1138 if (c_debug) 1139 BIO_printf(bio_c_out, "PSK key given or JPAKE in use, setting client callback\n"); 1140 SSL_CTX_set_psk_client_callback(ctx, psk_client_cb); 1141 } 1142 #endif 1143 #ifndef OPENSSL_NO_SRTP 1144 if (srtp_profiles != NULL) 1145 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1146 #endif 1147 if (bugs) 1148 SSL_CTX_set_options(ctx,SSL_OP_ALL|off); 1149 else 1150 SSL_CTX_set_options(ctx,off); 1151 1152 if (clr) 1153 SSL_CTX_clear_options(ctx, clr); 1154 /* DTLS: partial reads end up discarding unread UDP bytes :-( 1155 * Setting read ahead solves this problem. 1156 */ 1157 if (socket_type == SOCK_DGRAM) SSL_CTX_set_read_ahead(ctx, 1); 1158 1159 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1160 if (next_proto.data) 1161 SSL_CTX_set_next_proto_select_cb(ctx, next_proto_cb, &next_proto); 1162 #endif 1163 1164 if (state) SSL_CTX_set_info_callback(ctx,apps_ssl_info_callback); 1165 if (cipher != NULL) 1166 if(!SSL_CTX_set_cipher_list(ctx,cipher)) { 1167 BIO_printf(bio_err,"error setting cipher list\n"); 1168 ERR_print_errors(bio_err); 1169 goto end; 1170 } 1171 #if 0 1172 else 1173 SSL_CTX_set_cipher_list(ctx,getenv("SSL_CIPHER")); 1174 #endif 1175 1176 SSL_CTX_set_verify(ctx,verify,verify_callback); 1177 if (!set_cert_key_stuff(ctx,cert,key)) 1178 goto end; 1179 1180 if ((!SSL_CTX_load_verify_locations(ctx,CAfile,CApath)) || 1181 (!SSL_CTX_set_default_verify_paths(ctx))) 1182 { 1183 /* BIO_printf(bio_err,"error setting default verify locations\n"); */ 1184 ERR_print_errors(bio_err); 1185 /* goto end; */ 1186 } 1187 1188 #ifndef OPENSSL_NO_TLSEXT 1189 if (servername != NULL) 1190 { 1191 tlsextcbp.biodebug = bio_err; 1192 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1193 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1194 } 1195 #ifndef OPENSSL_NO_SRP 1196 if (srp_arg.srplogin) 1197 { 1198 if (!srp_lateuser && !SSL_CTX_set_srp_username(ctx, srp_arg.srplogin)) 1199 { 1200 BIO_printf(bio_err,"Unable to set SRP username\n"); 1201 goto end; 1202 } 1203 srp_arg.msg = c_msg; 1204 srp_arg.debug = c_debug ; 1205 SSL_CTX_set_srp_cb_arg(ctx,&srp_arg); 1206 SSL_CTX_set_srp_client_pwd_callback(ctx, ssl_give_srp_client_pwd_cb); 1207 SSL_CTX_set_srp_strength(ctx, srp_arg.strength); 1208 if (c_msg || c_debug || srp_arg.amp == 0) 1209 SSL_CTX_set_srp_verify_param_callback(ctx, ssl_srp_verify_param_cb); 1210 } 1211 1212 #endif 1213 #endif 1214 1215 con=SSL_new(ctx); 1216 if (sess_in) 1217 { 1218 SSL_SESSION *sess; 1219 BIO *stmp = BIO_new_file(sess_in, "r"); 1220 if (!stmp) 1221 { 1222 BIO_printf(bio_err, "Can't open session file %s\n", 1223 sess_in); 1224 ERR_print_errors(bio_err); 1225 goto end; 1226 } 1227 sess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); 1228 BIO_free(stmp); 1229 if (!sess) 1230 { 1231 BIO_printf(bio_err, "Can't open session file %s\n", 1232 sess_in); 1233 ERR_print_errors(bio_err); 1234 goto end; 1235 } 1236 SSL_set_session(con, sess); 1237 SSL_SESSION_free(sess); 1238 } 1239 #ifndef OPENSSL_NO_TLSEXT 1240 if (servername != NULL) 1241 { 1242 if (!SSL_set_tlsext_host_name(con,servername)) 1243 { 1244 BIO_printf(bio_err,"Unable to set TLS servername extension.\n"); 1245 ERR_print_errors(bio_err); 1246 goto end; 1247 } 1248 } 1249 #endif 1250 #ifndef OPENSSL_NO_KRB5 1251 if (con && (kctx = kssl_ctx_new()) != NULL) 1252 { 1253 SSL_set0_kssl_ctx(con, kctx); 1254 kssl_ctx_setstring(kctx, KSSL_SERVER, host); 1255 } 1256 #endif /* OPENSSL_NO_KRB5 */ 1257 /* SSL_set_cipher_list(con,"RC4-MD5"); */ 1258 #if 0 1259 #ifdef TLSEXT_TYPE_opaque_prf_input 1260 SSL_set_tlsext_opaque_prf_input(con, "Test client", 11); 1261 #endif 1262 #endif 1263 1264 re_start: 1265 1266 if (init_client(&s,host,port,socket_type) == 0) 1267 { 1268 BIO_printf(bio_err,"connect:errno=%d\n",get_last_socket_error()); 1269 SHUTDOWN(s); 1270 goto end; 1271 } 1272 BIO_printf(bio_c_out,"CONNECTED(%08X)\n",s); 1273 1274 #ifdef FIONBIO 1275 if (c_nbio) 1276 { 1277 unsigned long l=1; 1278 BIO_printf(bio_c_out,"turning on non blocking io\n"); 1279 if (BIO_socket_ioctl(s,FIONBIO,&l) < 0) 1280 { 1281 ERR_print_errors(bio_err); 1282 goto end; 1283 } 1284 } 1285 #endif 1286 if (c_Pause & 0x01) SSL_set_debug(con, 1); 1287 1288 if ( SSL_version(con) == DTLS1_VERSION) 1289 { 1290 1291 sbio=BIO_new_dgram(s,BIO_NOCLOSE); 1292 if (getsockname(s, &peer, (void *)&peerlen) < 0) 1293 { 1294 BIO_printf(bio_err, "getsockname:errno=%d\n", 1295 get_last_socket_error()); 1296 SHUTDOWN(s); 1297 goto end; 1298 } 1299 1300 (void)BIO_ctrl_set_connected(sbio, 1, &peer); 1301 1302 if (enable_timeouts) 1303 { 1304 timeout.tv_sec = 0; 1305 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 1306 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 1307 1308 timeout.tv_sec = 0; 1309 timeout.tv_usec = DGRAM_SND_TIMEOUT; 1310 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 1311 } 1312 1313 if (socket_mtu > 28) 1314 { 1315 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 1316 SSL_set_mtu(con, socket_mtu - 28); 1317 } 1318 else 1319 /* want to do MTU discovery */ 1320 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 1321 } 1322 else 1323 sbio=BIO_new_socket(s,BIO_NOCLOSE); 1324 1325 if (nbio_test) 1326 { 1327 BIO *test; 1328 1329 test=BIO_new(BIO_f_nbio_test()); 1330 sbio=BIO_push(test,sbio); 1331 } 1332 1333 if (c_debug) 1334 { 1335 SSL_set_debug(con, 1); 1336 BIO_set_callback(sbio,bio_dump_callback); 1337 BIO_set_callback_arg(sbio,(char *)bio_c_out); 1338 } 1339 if (c_msg) 1340 { 1341 SSL_set_msg_callback(con, msg_cb); 1342 SSL_set_msg_callback_arg(con, bio_c_out); 1343 } 1344 #ifndef OPENSSL_NO_TLSEXT 1345 if (c_tlsextdebug) 1346 { 1347 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1348 SSL_set_tlsext_debug_arg(con, bio_c_out); 1349 } 1350 if (c_status_req) 1351 { 1352 SSL_set_tlsext_status_type(con, TLSEXT_STATUSTYPE_ocsp); 1353 SSL_CTX_set_tlsext_status_cb(ctx, ocsp_resp_cb); 1354 SSL_CTX_set_tlsext_status_arg(ctx, bio_c_out); 1355 #if 0 1356 { 1357 STACK_OF(OCSP_RESPID) *ids = sk_OCSP_RESPID_new_null(); 1358 OCSP_RESPID *id = OCSP_RESPID_new(); 1359 id->value.byKey = ASN1_OCTET_STRING_new(); 1360 id->type = V_OCSP_RESPID_KEY; 1361 ASN1_STRING_set(id->value.byKey, "Hello World", -1); 1362 sk_OCSP_RESPID_push(ids, id); 1363 SSL_set_tlsext_status_ids(con, ids); 1364 } 1365 #endif 1366 } 1367 #endif 1368 #ifndef OPENSSL_NO_JPAKE 1369 if (jpake_secret) 1370 jpake_client_auth(bio_c_out, sbio, jpake_secret); 1371 #endif 1372 1373 SSL_set_bio(con,sbio,sbio); 1374 SSL_set_connect_state(con); 1375 1376 /* ok, lets connect */ 1377 width=SSL_get_fd(con)+1; 1378 1379 read_tty=1; 1380 write_tty=0; 1381 tty_on=0; 1382 read_ssl=1; 1383 write_ssl=1; 1384 1385 cbuf_len=0; 1386 cbuf_off=0; 1387 sbuf_len=0; 1388 sbuf_off=0; 1389 1390 /* This is an ugly hack that does a lot of assumptions */ 1391 /* We do have to handle multi-line responses which may come 1392 in a single packet or not. We therefore have to use 1393 BIO_gets() which does need a buffering BIO. So during 1394 the initial chitchat we do push a buffering BIO into the 1395 chain that is removed again later on to not disturb the 1396 rest of the s_client operation. */ 1397 if (starttls_proto == PROTO_SMTP) 1398 { 1399 int foundit=0; 1400 BIO *fbio = BIO_new(BIO_f_buffer()); 1401 BIO_push(fbio, sbio); 1402 /* wait for multi-line response to end from SMTP */ 1403 do 1404 { 1405 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1406 } 1407 while (mbuf_len>3 && mbuf[3]=='-'); 1408 /* STARTTLS command requires EHLO... */ 1409 BIO_printf(fbio,"EHLO openssl.client.net\r\n"); 1410 (void)BIO_flush(fbio); 1411 /* wait for multi-line response to end EHLO SMTP response */ 1412 do 1413 { 1414 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1415 if (strstr(mbuf,"STARTTLS")) 1416 foundit=1; 1417 } 1418 while (mbuf_len>3 && mbuf[3]=='-'); 1419 (void)BIO_flush(fbio); 1420 BIO_pop(fbio); 1421 BIO_free(fbio); 1422 if (!foundit) 1423 BIO_printf(bio_err, 1424 "didn't found starttls in server response," 1425 " try anyway...\n"); 1426 BIO_printf(sbio,"STARTTLS\r\n"); 1427 BIO_read(sbio,sbuf,BUFSIZZ); 1428 } 1429 else if (starttls_proto == PROTO_POP3) 1430 { 1431 BIO_read(sbio,mbuf,BUFSIZZ); 1432 BIO_printf(sbio,"STLS\r\n"); 1433 BIO_read(sbio,sbuf,BUFSIZZ); 1434 } 1435 else if (starttls_proto == PROTO_IMAP) 1436 { 1437 int foundit=0; 1438 BIO *fbio = BIO_new(BIO_f_buffer()); 1439 BIO_push(fbio, sbio); 1440 BIO_gets(fbio,mbuf,BUFSIZZ); 1441 /* STARTTLS command requires CAPABILITY... */ 1442 BIO_printf(fbio,". CAPABILITY\r\n"); 1443 (void)BIO_flush(fbio); 1444 /* wait for multi-line CAPABILITY response */ 1445 do 1446 { 1447 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1448 if (strstr(mbuf,"STARTTLS")) 1449 foundit=1; 1450 } 1451 while (mbuf_len>3 && mbuf[0]!='.'); 1452 (void)BIO_flush(fbio); 1453 BIO_pop(fbio); 1454 BIO_free(fbio); 1455 if (!foundit) 1456 BIO_printf(bio_err, 1457 "didn't found STARTTLS in server response," 1458 " try anyway...\n"); 1459 BIO_printf(sbio,". STARTTLS\r\n"); 1460 BIO_read(sbio,sbuf,BUFSIZZ); 1461 } 1462 else if (starttls_proto == PROTO_FTP) 1463 { 1464 BIO *fbio = BIO_new(BIO_f_buffer()); 1465 BIO_push(fbio, sbio); 1466 /* wait for multi-line response to end from FTP */ 1467 do 1468 { 1469 mbuf_len = BIO_gets(fbio,mbuf,BUFSIZZ); 1470 } 1471 while (mbuf_len>3 && mbuf[3]=='-'); 1472 (void)BIO_flush(fbio); 1473 BIO_pop(fbio); 1474 BIO_free(fbio); 1475 BIO_printf(sbio,"AUTH TLS\r\n"); 1476 BIO_read(sbio,sbuf,BUFSIZZ); 1477 } 1478 if (starttls_proto == PROTO_XMPP) 1479 { 1480 int seen = 0; 1481 BIO_printf(sbio,"<stream:stream " 1482 "xmlns:stream='http://etherx.jabber.org/streams' " 1483 "xmlns='jabber:client' to='%s' version='1.0'>", host); 1484 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1485 mbuf[seen] = 0; 1486 while (!strstr(mbuf, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'")) 1487 { 1488 if (strstr(mbuf, "/stream:features>")) 1489 goto shut; 1490 seen = BIO_read(sbio,mbuf,BUFSIZZ); 1491 mbuf[seen] = 0; 1492 } 1493 BIO_printf(sbio, "<starttls xmlns='urn:ietf:params:xml:ns:xmpp-tls'/>"); 1494 seen = BIO_read(sbio,sbuf,BUFSIZZ); 1495 sbuf[seen] = 0; 1496 if (!strstr(sbuf, "<proceed")) 1497 goto shut; 1498 mbuf[0] = 0; 1499 } 1500 1501 for (;;) 1502 { 1503 FD_ZERO(&readfds); 1504 FD_ZERO(&writefds); 1505 fdin = fileno(stdin); 1506 if (fdin < 0) 1507 { 1508 BIO_printf(bio_err,"bad fileno for stdin\n"); 1509 goto shut; 1510 } 1511 fdout = fileno(stdout); 1512 if (fdout < 0) 1513 { 1514 BIO_printf(bio_err,"bad fileno for stdout\n"); 1515 goto shut; 1516 } 1517 1518 if ((SSL_version(con) == DTLS1_VERSION) && 1519 DTLSv1_get_timeout(con, &timeout)) 1520 timeoutp = &timeout; 1521 else 1522 timeoutp = NULL; 1523 1524 if (SSL_in_init(con) && !SSL_total_renegotiations(con)) 1525 { 1526 in_init=1; 1527 tty_on=0; 1528 } 1529 else 1530 { 1531 tty_on=1; 1532 if (in_init) 1533 { 1534 in_init=0; 1535 #if 0 /* This test doesn't really work as intended (needs to be fixed) */ 1536 #ifndef OPENSSL_NO_TLSEXT 1537 if (servername != NULL && !SSL_session_reused(con)) 1538 { 1539 BIO_printf(bio_c_out,"Server did %sacknowledge servername extension.\n",tlsextcbp.ack?"":"not "); 1540 } 1541 #endif 1542 #endif 1543 if (sess_out) 1544 { 1545 BIO *stmp = BIO_new_file(sess_out, "w"); 1546 if (stmp) 1547 { 1548 PEM_write_bio_SSL_SESSION(stmp, SSL_get_session(con)); 1549 BIO_free(stmp); 1550 } 1551 else 1552 BIO_printf(bio_err, "Error writing session file %s\n", sess_out); 1553 } 1554 print_stuff(bio_c_out,con,full_log); 1555 if (full_log > 0) full_log--; 1556 1557 if (starttls_proto) 1558 { 1559 BIO_printf(bio_err,"%s",mbuf); 1560 /* We don't need to know any more */ 1561 starttls_proto = PROTO_OFF; 1562 } 1563 1564 if (reconnect) 1565 { 1566 reconnect--; 1567 BIO_printf(bio_c_out,"drop connection and then reconnect\n"); 1568 SSL_shutdown(con); 1569 SSL_set_connect_state(con); 1570 SHUTDOWN(SSL_get_fd(con)); 1571 goto re_start; 1572 } 1573 } 1574 } 1575 1576 ssl_pending = read_ssl && SSL_pending(con); 1577 1578 if (!ssl_pending) 1579 { 1580 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined (OPENSSL_SYS_BEOS_R5) 1581 if (tty_on) 1582 { 1583 if (read_tty) openssl_fdset(fdin,&readfds); 1584 if (write_tty) openssl_fdset(fdout,&writefds); 1585 } 1586 if (read_ssl) 1587 openssl_fdset(SSL_get_fd(con),&readfds); 1588 if (write_ssl) 1589 openssl_fdset(SSL_get_fd(con),&writefds); 1590 #else 1591 if(!tty_on || !write_tty) { 1592 if (read_ssl) 1593 openssl_fdset(SSL_get_fd(con),&readfds); 1594 if (write_ssl) 1595 openssl_fdset(SSL_get_fd(con),&writefds); 1596 } 1597 #endif 1598 /* printf("mode tty(%d %d%d) ssl(%d%d)\n", 1599 tty_on,read_tty,write_tty,read_ssl,write_ssl);*/ 1600 1601 /* Note: under VMS with SOCKETSHR the second parameter 1602 * is currently of type (int *) whereas under other 1603 * systems it is (void *) if you don't have a cast it 1604 * will choke the compiler: if you do have a cast then 1605 * you can either go for (int *) or (void *). 1606 */ 1607 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1608 /* Under Windows/DOS we make the assumption that we can 1609 * always write to the tty: therefore if we need to 1610 * write to the tty we just fall through. Otherwise 1611 * we timeout the select every second and see if there 1612 * are any keypresses. Note: this is a hack, in a proper 1613 * Windows application we wouldn't do this. 1614 */ 1615 i=0; 1616 if(!write_tty) { 1617 if(read_tty) { 1618 tv.tv_sec = 1; 1619 tv.tv_usec = 0; 1620 i=select(width,(void *)&readfds,(void *)&writefds, 1621 NULL,&tv); 1622 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1623 if(!i && (!_kbhit() || !read_tty) ) continue; 1624 #else 1625 if(!i && (!((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) || !read_tty) ) continue; 1626 #endif 1627 } else i=select(width,(void *)&readfds,(void *)&writefds, 1628 NULL,timeoutp); 1629 } 1630 #elif defined(OPENSSL_SYS_NETWARE) 1631 if(!write_tty) { 1632 if(read_tty) { 1633 tv.tv_sec = 1; 1634 tv.tv_usec = 0; 1635 i=select(width,(void *)&readfds,(void *)&writefds, 1636 NULL,&tv); 1637 } else i=select(width,(void *)&readfds,(void *)&writefds, 1638 NULL,timeoutp); 1639 } 1640 #elif defined(OPENSSL_SYS_BEOS_R5) 1641 /* Under BeOS-R5 the situation is similar to DOS */ 1642 i=0; 1643 stdin_set = 0; 1644 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 1645 if(!write_tty) { 1646 if(read_tty) { 1647 tv.tv_sec = 1; 1648 tv.tv_usec = 0; 1649 i=select(width,(void *)&readfds,(void *)&writefds, 1650 NULL,&tv); 1651 if (read(fdin, sbuf, 0) >= 0) 1652 stdin_set = 1; 1653 if (!i && (stdin_set != 1 || !read_tty)) 1654 continue; 1655 } else i=select(width,(void *)&readfds,(void *)&writefds, 1656 NULL,timeoutp); 1657 } 1658 (void)fcntl(fdin, F_SETFL, 0); 1659 #else 1660 i=select(width,(void *)&readfds,(void *)&writefds, 1661 NULL,timeoutp); 1662 #endif 1663 if ( i < 0) 1664 { 1665 BIO_printf(bio_err,"bad select %d\n", 1666 get_last_socket_error()); 1667 goto shut; 1668 /* goto end; */ 1669 } 1670 } 1671 1672 if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0) 1673 { 1674 BIO_printf(bio_err,"TIMEOUT occured\n"); 1675 } 1676 1677 if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds)) 1678 { 1679 k=SSL_write(con,&(cbuf[cbuf_off]), 1680 (unsigned int)cbuf_len); 1681 switch (SSL_get_error(con,k)) 1682 { 1683 case SSL_ERROR_NONE: 1684 cbuf_off+=k; 1685 cbuf_len-=k; 1686 if (k <= 0) goto end; 1687 /* we have done a write(con,NULL,0); */ 1688 if (cbuf_len <= 0) 1689 { 1690 read_tty=1; 1691 write_ssl=0; 1692 } 1693 else /* if (cbuf_len > 0) */ 1694 { 1695 read_tty=0; 1696 write_ssl=1; 1697 } 1698 break; 1699 case SSL_ERROR_WANT_WRITE: 1700 BIO_printf(bio_c_out,"write W BLOCK\n"); 1701 write_ssl=1; 1702 read_tty=0; 1703 break; 1704 case SSL_ERROR_WANT_READ: 1705 BIO_printf(bio_c_out,"write R BLOCK\n"); 1706 write_tty=0; 1707 read_ssl=1; 1708 write_ssl=0; 1709 break; 1710 case SSL_ERROR_WANT_X509_LOOKUP: 1711 BIO_printf(bio_c_out,"write X BLOCK\n"); 1712 break; 1713 case SSL_ERROR_ZERO_RETURN: 1714 if (cbuf_len != 0) 1715 { 1716 BIO_printf(bio_c_out,"shutdown\n"); 1717 ret = 0; 1718 goto shut; 1719 } 1720 else 1721 { 1722 read_tty=1; 1723 write_ssl=0; 1724 break; 1725 } 1726 1727 case SSL_ERROR_SYSCALL: 1728 if ((k != 0) || (cbuf_len != 0)) 1729 { 1730 BIO_printf(bio_err,"write:errno=%d\n", 1731 get_last_socket_error()); 1732 goto shut; 1733 } 1734 else 1735 { 1736 read_tty=1; 1737 write_ssl=0; 1738 } 1739 break; 1740 case SSL_ERROR_SSL: 1741 ERR_print_errors(bio_err); 1742 goto shut; 1743 } 1744 } 1745 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1746 /* Assume Windows/DOS/BeOS can always write */ 1747 else if (!ssl_pending && write_tty) 1748 #else 1749 else if (!ssl_pending && FD_ISSET(fdout,&writefds)) 1750 #endif 1751 { 1752 #ifdef CHARSET_EBCDIC 1753 ascii2ebcdic(&(sbuf[sbuf_off]),&(sbuf[sbuf_off]),sbuf_len); 1754 #endif 1755 i=raw_write_stdout(&(sbuf[sbuf_off]),sbuf_len); 1756 1757 if (i <= 0) 1758 { 1759 BIO_printf(bio_c_out,"DONE\n"); 1760 ret = 0; 1761 goto shut; 1762 /* goto end; */ 1763 } 1764 1765 sbuf_len-=i;; 1766 sbuf_off+=i; 1767 if (sbuf_len <= 0) 1768 { 1769 read_ssl=1; 1770 write_tty=0; 1771 } 1772 } 1773 else if (ssl_pending || FD_ISSET(SSL_get_fd(con),&readfds)) 1774 { 1775 #ifdef RENEG 1776 { static int iiii; if (++iiii == 52) { SSL_renegotiate(con); iiii=0; } } 1777 #endif 1778 #if 1 1779 k=SSL_read(con,sbuf,1024 /* BUFSIZZ */ ); 1780 #else 1781 /* Demo for pending and peek :-) */ 1782 k=SSL_read(con,sbuf,16); 1783 { char zbuf[10240]; 1784 printf("read=%d pending=%d peek=%d\n",k,SSL_pending(con),SSL_peek(con,zbuf,10240)); 1785 } 1786 #endif 1787 1788 switch (SSL_get_error(con,k)) 1789 { 1790 case SSL_ERROR_NONE: 1791 if (k <= 0) 1792 goto end; 1793 sbuf_off=0; 1794 sbuf_len=k; 1795 1796 read_ssl=0; 1797 write_tty=1; 1798 break; 1799 case SSL_ERROR_WANT_WRITE: 1800 BIO_printf(bio_c_out,"read W BLOCK\n"); 1801 write_ssl=1; 1802 read_tty=0; 1803 break; 1804 case SSL_ERROR_WANT_READ: 1805 BIO_printf(bio_c_out,"read R BLOCK\n"); 1806 write_tty=0; 1807 read_ssl=1; 1808 if ((read_tty == 0) && (write_ssl == 0)) 1809 write_ssl=1; 1810 break; 1811 case SSL_ERROR_WANT_X509_LOOKUP: 1812 BIO_printf(bio_c_out,"read X BLOCK\n"); 1813 break; 1814 case SSL_ERROR_SYSCALL: 1815 ret=get_last_socket_error(); 1816 BIO_printf(bio_err,"read:errno=%d\n",ret); 1817 goto shut; 1818 case SSL_ERROR_ZERO_RETURN: 1819 BIO_printf(bio_c_out,"closed\n"); 1820 ret=0; 1821 goto shut; 1822 case SSL_ERROR_SSL: 1823 ERR_print_errors(bio_err); 1824 goto shut; 1825 /* break; */ 1826 } 1827 } 1828 1829 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) 1830 #if defined(OPENSSL_SYS_WINCE) || defined(OPENSSL_SYS_MSDOS) 1831 else if (_kbhit()) 1832 #else 1833 else if ((_kbhit()) || (WAIT_OBJECT_0 == WaitForSingleObject(GetStdHandle(STD_INPUT_HANDLE), 0))) 1834 #endif 1835 #elif defined (OPENSSL_SYS_NETWARE) 1836 else if (_kbhit()) 1837 #elif defined(OPENSSL_SYS_BEOS_R5) 1838 else if (stdin_set) 1839 #else 1840 else if (FD_ISSET(fdin,&readfds)) 1841 #endif 1842 { 1843 if (crlf) 1844 { 1845 int j, lf_num; 1846 1847 i=raw_read_stdin(cbuf,BUFSIZZ/2); 1848 lf_num = 0; 1849 /* both loops are skipped when i <= 0 */ 1850 for (j = 0; j < i; j++) 1851 if (cbuf[j] == '\n') 1852 lf_num++; 1853 for (j = i-1; j >= 0; j--) 1854 { 1855 cbuf[j+lf_num] = cbuf[j]; 1856 if (cbuf[j] == '\n') 1857 { 1858 lf_num--; 1859 i++; 1860 cbuf[j+lf_num] = '\r'; 1861 } 1862 } 1863 assert(lf_num == 0); 1864 } 1865 else 1866 i=raw_read_stdin(cbuf,BUFSIZZ); 1867 1868 if ((!c_ign_eof) && ((i <= 0) || (cbuf[0] == 'Q'))) 1869 { 1870 BIO_printf(bio_err,"DONE\n"); 1871 ret=0; 1872 goto shut; 1873 } 1874 1875 if ((!c_ign_eof) && (cbuf[0] == 'R')) 1876 { 1877 BIO_printf(bio_err,"RENEGOTIATING\n"); 1878 SSL_renegotiate(con); 1879 cbuf_len=0; 1880 } 1881 #ifndef OPENSSL_NO_HEARTBEATS 1882 else if ((!c_ign_eof) && (cbuf[0] == 'B')) 1883 { 1884 BIO_printf(bio_err,"HEARTBEATING\n"); 1885 SSL_heartbeat(con); 1886 cbuf_len=0; 1887 } 1888 #endif 1889 else 1890 { 1891 cbuf_len=i; 1892 cbuf_off=0; 1893 #ifdef CHARSET_EBCDIC 1894 ebcdic2ascii(cbuf, cbuf, i); 1895 #endif 1896 } 1897 1898 write_ssl=1; 1899 read_tty=0; 1900 } 1901 } 1902 1903 ret=0; 1904 shut: 1905 if (in_init) 1906 print_stuff(bio_c_out,con,full_log); 1907 SSL_shutdown(con); 1908 SHUTDOWN(SSL_get_fd(con)); 1909 end: 1910 if (con != NULL) 1911 { 1912 if (prexit != 0) 1913 print_stuff(bio_c_out,con,1); 1914 SSL_free(con); 1915 } 1916 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1917 if (next_proto.data) 1918 OPENSSL_free(next_proto.data); 1919 #endif 1920 if (ctx != NULL) SSL_CTX_free(ctx); 1921 if (cert) 1922 X509_free(cert); 1923 if (key) 1924 EVP_PKEY_free(key); 1925 if (pass) 1926 OPENSSL_free(pass); 1927 if (vpm) 1928 X509_VERIFY_PARAM_free(vpm); 1929 if (cbuf != NULL) { OPENSSL_cleanse(cbuf,BUFSIZZ); OPENSSL_free(cbuf); } 1930 if (sbuf != NULL) { OPENSSL_cleanse(sbuf,BUFSIZZ); OPENSSL_free(sbuf); } 1931 if (mbuf != NULL) { OPENSSL_cleanse(mbuf,BUFSIZZ); OPENSSL_free(mbuf); } 1932 if (bio_c_out != NULL) 1933 { 1934 BIO_free(bio_c_out); 1935 bio_c_out=NULL; 1936 } 1937 apps_shutdown(); 1938 OPENSSL_EXIT(ret); 1939 } 1940 1941 1942 static void print_stuff(BIO *bio, SSL *s, int full) 1943 { 1944 X509 *peer=NULL; 1945 char *p; 1946 static const char *space=" "; 1947 char buf[BUFSIZ]; 1948 STACK_OF(X509) *sk; 1949 STACK_OF(X509_NAME) *sk2; 1950 const SSL_CIPHER *c; 1951 X509_NAME *xn; 1952 int j,i; 1953 #ifndef OPENSSL_NO_COMP 1954 const COMP_METHOD *comp, *expansion; 1955 #endif 1956 unsigned char *exportedkeymat; 1957 1958 if (full) 1959 { 1960 int got_a_chain = 0; 1961 1962 sk=SSL_get_peer_cert_chain(s); 1963 if (sk != NULL) 1964 { 1965 got_a_chain = 1; /* we don't have it for SSL2 (yet) */ 1966 1967 BIO_printf(bio,"---\nCertificate chain\n"); 1968 for (i=0; i<sk_X509_num(sk); i++) 1969 { 1970 X509_NAME_oneline(X509_get_subject_name( 1971 sk_X509_value(sk,i)),buf,sizeof buf); 1972 BIO_printf(bio,"%2d s:%s\n",i,buf); 1973 X509_NAME_oneline(X509_get_issuer_name( 1974 sk_X509_value(sk,i)),buf,sizeof buf); 1975 BIO_printf(bio," i:%s\n",buf); 1976 if (c_showcerts) 1977 PEM_write_bio_X509(bio,sk_X509_value(sk,i)); 1978 } 1979 } 1980 1981 BIO_printf(bio,"---\n"); 1982 peer=SSL_get_peer_certificate(s); 1983 if (peer != NULL) 1984 { 1985 BIO_printf(bio,"Server certificate\n"); 1986 if (!(c_showcerts && got_a_chain)) /* Redundant if we showed the whole chain */ 1987 PEM_write_bio_X509(bio,peer); 1988 X509_NAME_oneline(X509_get_subject_name(peer), 1989 buf,sizeof buf); 1990 BIO_printf(bio,"subject=%s\n",buf); 1991 X509_NAME_oneline(X509_get_issuer_name(peer), 1992 buf,sizeof buf); 1993 BIO_printf(bio,"issuer=%s\n",buf); 1994 } 1995 else 1996 BIO_printf(bio,"no peer certificate available\n"); 1997 1998 sk2=SSL_get_client_CA_list(s); 1999 if ((sk2 != NULL) && (sk_X509_NAME_num(sk2) > 0)) 2000 { 2001 BIO_printf(bio,"---\nAcceptable client certificate CA names\n"); 2002 for (i=0; i<sk_X509_NAME_num(sk2); i++) 2003 { 2004 xn=sk_X509_NAME_value(sk2,i); 2005 X509_NAME_oneline(xn,buf,sizeof(buf)); 2006 BIO_write(bio,buf,strlen(buf)); 2007 BIO_write(bio,"\n",1); 2008 } 2009 } 2010 else 2011 { 2012 BIO_printf(bio,"---\nNo client certificate CA names sent\n"); 2013 } 2014 p=SSL_get_shared_ciphers(s,buf,sizeof buf); 2015 if (p != NULL) 2016 { 2017 /* This works only for SSL 2. In later protocol 2018 * versions, the client does not know what other 2019 * ciphers (in addition to the one to be used 2020 * in the current connection) the server supports. */ 2021 2022 BIO_printf(bio,"---\nCiphers common between both SSL endpoints:\n"); 2023 j=i=0; 2024 while (*p) 2025 { 2026 if (*p == ':') 2027 { 2028 BIO_write(bio,space,15-j%25); 2029 i++; 2030 j=0; 2031 BIO_write(bio,((i%3)?" ":"\n"),1); 2032 } 2033 else 2034 { 2035 BIO_write(bio,p,1); 2036 j++; 2037 } 2038 p++; 2039 } 2040 BIO_write(bio,"\n",1); 2041 } 2042 2043 BIO_printf(bio,"---\nSSL handshake has read %ld bytes and written %ld bytes\n", 2044 BIO_number_read(SSL_get_rbio(s)), 2045 BIO_number_written(SSL_get_wbio(s))); 2046 } 2047 BIO_printf(bio,(SSL_cache_hit(s)?"---\nReused, ":"---\nNew, ")); 2048 c=SSL_get_current_cipher(s); 2049 BIO_printf(bio,"%s, Cipher is %s\n", 2050 SSL_CIPHER_get_version(c), 2051 SSL_CIPHER_get_name(c)); 2052 if (peer != NULL) { 2053 EVP_PKEY *pktmp; 2054 pktmp = X509_get_pubkey(peer); 2055 BIO_printf(bio,"Server public key is %d bit\n", 2056 EVP_PKEY_bits(pktmp)); 2057 EVP_PKEY_free(pktmp); 2058 } 2059 BIO_printf(bio, "Secure Renegotiation IS%s supported\n", 2060 SSL_get_secure_renegotiation_support(s) ? "" : " NOT"); 2061 #ifndef OPENSSL_NO_COMP 2062 comp=SSL_get_current_compression(s); 2063 expansion=SSL_get_current_expansion(s); 2064 BIO_printf(bio,"Compression: %s\n", 2065 comp ? SSL_COMP_get_name(comp) : "NONE"); 2066 BIO_printf(bio,"Expansion: %s\n", 2067 expansion ? SSL_COMP_get_name(expansion) : "NONE"); 2068 #endif 2069 2070 #ifdef SSL_DEBUG 2071 { 2072 /* Print out local port of connection: useful for debugging */ 2073 int sock; 2074 struct sockaddr_in ladd; 2075 socklen_t ladd_size = sizeof(ladd); 2076 sock = SSL_get_fd(s); 2077 getsockname(sock, (struct sockaddr *)&ladd, &ladd_size); 2078 BIO_printf(bio_c_out, "LOCAL PORT is %u\n", ntohs(ladd.sin_port)); 2079 } 2080 #endif 2081 2082 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2083 if (next_proto.status != -1) { 2084 const unsigned char *proto; 2085 unsigned int proto_len; 2086 SSL_get0_next_proto_negotiated(s, &proto, &proto_len); 2087 BIO_printf(bio, "Next protocol: (%d) ", next_proto.status); 2088 BIO_write(bio, proto, proto_len); 2089 BIO_write(bio, "\n", 1); 2090 } 2091 #endif 2092 2093 #ifndef OPENSSL_NO_SRTP 2094 { 2095 SRTP_PROTECTION_PROFILE *srtp_profile=SSL_get_selected_srtp_profile(s); 2096 2097 if(srtp_profile) 2098 BIO_printf(bio,"SRTP Extension negotiated, profile=%s\n", 2099 srtp_profile->name); 2100 } 2101 #endif 2102 2103 SSL_SESSION_print(bio,SSL_get_session(s)); 2104 if (keymatexportlabel != NULL) 2105 { 2106 BIO_printf(bio, "Keying material exporter:\n"); 2107 BIO_printf(bio, " Label: '%s'\n", keymatexportlabel); 2108 BIO_printf(bio, " Length: %i bytes\n", keymatexportlen); 2109 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2110 if (exportedkeymat != NULL) 2111 { 2112 if (!SSL_export_keying_material(s, exportedkeymat, 2113 keymatexportlen, 2114 keymatexportlabel, 2115 strlen(keymatexportlabel), 2116 NULL, 0, 0)) 2117 { 2118 BIO_printf(bio, " Error\n"); 2119 } 2120 else 2121 { 2122 BIO_printf(bio, " Keying material: "); 2123 for (i=0; i<keymatexportlen; i++) 2124 BIO_printf(bio, "%02X", 2125 exportedkeymat[i]); 2126 BIO_printf(bio, "\n"); 2127 } 2128 OPENSSL_free(exportedkeymat); 2129 } 2130 } 2131 BIO_printf(bio,"---\n"); 2132 if (peer != NULL) 2133 X509_free(peer); 2134 /* flush, or debugging output gets mixed with http response */ 2135 (void)BIO_flush(bio); 2136 } 2137 2138 #ifndef OPENSSL_NO_TLSEXT 2139 2140 static int ocsp_resp_cb(SSL *s, void *arg) 2141 { 2142 const unsigned char *p; 2143 int len; 2144 OCSP_RESPONSE *rsp; 2145 len = SSL_get_tlsext_status_ocsp_resp(s, &p); 2146 BIO_puts(arg, "OCSP response: "); 2147 if (!p) 2148 { 2149 BIO_puts(arg, "no response sent\n"); 2150 return 1; 2151 } 2152 rsp = d2i_OCSP_RESPONSE(NULL, &p, len); 2153 if (!rsp) 2154 { 2155 BIO_puts(arg, "response parse error\n"); 2156 BIO_dump_indent(arg, (char *)p, len, 4); 2157 return 0; 2158 } 2159 BIO_puts(arg, "\n======================================\n"); 2160 OCSP_RESPONSE_print(arg, rsp, 0); 2161 BIO_puts(arg, "======================================\n"); 2162 OCSP_RESPONSE_free(rsp); 2163 return 1; 2164 } 2165 2166 #endif 2167
Indexes created Sat Feb 28 05:31:39 UTC 2026