1 /* apps/s_server.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 /* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 /* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143 /* 144 * Until the key-gen callbacks are modified to use newer prototypes, we allow 145 * deprecated functions for openssl-internal code 146 */ 147 #ifdef OPENSSL_NO_DEPRECATED 148 # undef OPENSSL_NO_DEPRECATED 149 #endif 150 151 #include <assert.h> 152 #include <ctype.h> 153 #include <stdio.h> 154 #include <stdlib.h> 155 #include <string.h> 156 157 #include <openssl/e_os2.h> 158 #ifdef OPENSSL_NO_STDIO 159 # define APPS_WIN16 160 #endif 161 162 /* conflicts with winsock2 stuff on netware */ 163 #if !defined(OPENSSL_SYS_NETWARE) 164 # include <sys/types.h> 165 #endif 166 167 /* 168 * With IPv6, it looks like Digital has mixed up the proper order of 169 * recursive header file inclusion, resulting in the compiler complaining 170 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 171 * needed to have fileno() declared correctly... So let's define u_int 172 */ 173 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 174 # define __U_INT 175 typedef unsigned int u_int; 176 #endif 177 178 #include <openssl/lhash.h> 179 #include <openssl/bn.h> 180 #define USE_SOCKETS 181 #include "apps.h" 182 #include <openssl/err.h> 183 #include <openssl/pem.h> 184 #include <openssl/x509.h> 185 #include <openssl/ssl.h> 186 #include <openssl/rand.h> 187 #include <openssl/ocsp.h> 188 #ifndef OPENSSL_NO_DH 189 # include <openssl/dh.h> 190 #endif 191 #ifndef OPENSSL_NO_RSA 192 # include <openssl/rsa.h> 193 #endif 194 #ifndef OPENSSL_NO_SRP 195 # include <openssl/srp.h> 196 #endif 197 #include "s_apps.h" 198 #include "timeouts.h" 199 200 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 201 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 202 # undef FIONBIO 203 #endif 204 205 #if defined(OPENSSL_SYS_BEOS_R5) 206 # include <fcntl.h> 207 #endif 208 209 #ifndef OPENSSL_NO_RSA 210 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 211 #endif 212 static int sv_body(char *hostname, int s, int stype, unsigned char *context); 213 static int www_body(char *hostname, int s, int stype, unsigned char *context); 214 static int rev_body(char *hostname, int s, int stype, unsigned char *context); 215 static void close_accept_socket(void); 216 static void sv_usage(void); 217 static int init_ssl_connection(SSL *s); 218 static void print_stats(BIO *bp, SSL_CTX *ctx); 219 static int generate_session_id(const SSL *ssl, unsigned char *id, 220 unsigned int *id_len); 221 static void init_session_cache_ctx(SSL_CTX *sctx); 222 static void free_sessions(void); 223 #ifndef OPENSSL_NO_DH 224 static DH *load_dh_param(const char *dhfile); 225 static DH *get_dh2048(void); 226 #endif 227 228 #ifdef MONOLITH 229 static void s_server_init(void); 230 #endif 231 232 #ifndef OPENSSL_NO_DH 233 static unsigned char dh2048_p[] = { 234 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6, 235 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1, 236 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9, 237 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD, 238 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17, 239 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F, 240 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD, 241 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30, 242 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E, 243 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4, 244 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58, 245 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B, 246 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C, 247 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B, 248 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD, 249 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C, 250 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C, 251 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29, 252 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B, 253 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C, 254 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55, 255 0xE9,0x32,0x0B,0x3B, 256 }; 257 258 static unsigned char dh2048_g[] = { 259 0x02, 260 }; 261 262 DH *get_dh2048() 263 { 264 DH *dh; 265 266 if ((dh = DH_new()) == NULL) 267 return NULL; 268 dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL); 269 dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL); 270 if (dh->p == NULL || dh->g == NULL) { 271 DH_free(dh); 272 return NULL; 273 } 274 return dh; 275 } 276 #endif 277 278 /* static int load_CA(SSL_CTX *ctx, char *file);*/ 279 280 #undef BUFSIZZ 281 #define BUFSIZZ 16*1024 282 static int bufsize = BUFSIZZ; 283 static int accept_socket = -1; 284 285 #define TEST_CERT "server.pem" 286 #ifndef OPENSSL_NO_TLSEXT 287 # define TEST_CERT2 "server2.pem" 288 #endif 289 #undef PROG 290 #define PROG s_server_main 291 292 extern int verify_depth, verify_return_error, verify_quiet; 293 294 static int s_server_verify = SSL_VERIFY_NONE; 295 static int s_server_session_id_context = 1; /* anything will do */ 296 static const char *s_cert_file = TEST_CERT, *s_key_file = 297 NULL, *s_chain_file = NULL; 298 #ifndef OPENSSL_NO_TLSEXT 299 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 300 #endif 301 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 302 #ifdef FIONBIO 303 static int s_nbio = 0; 304 #endif 305 static int s_nbio_test = 0; 306 int s_crlf = 0; 307 static SSL_CTX *ctx = NULL; 308 #ifndef OPENSSL_NO_TLSEXT 309 static SSL_CTX *ctx2 = NULL; 310 #endif 311 static int www = 0; 312 313 static BIO *bio_s_out = NULL; 314 static BIO *bio_s_msg = NULL; 315 static int s_debug = 0; 316 #ifndef OPENSSL_NO_TLSEXT 317 static int s_tlsextdebug = 0; 318 static int s_tlsextstatus = 0; 319 static int cert_status_cb(SSL *s, void *arg); 320 #endif 321 static int no_resume_ephemeral = 0; 322 static int s_msg = 0; 323 static int s_quiet = 0; 324 static int s_ign_eof = 0; 325 static int s_brief = 0; 326 327 static char *keymatexportlabel = NULL; 328 static int keymatexportlen = 20; 329 330 static int hack = 0; 331 #ifndef OPENSSL_NO_ENGINE 332 static char *engine_id = NULL; 333 #endif 334 static const char *session_id_prefix = NULL; 335 336 static int enable_timeouts = 0; 337 static long socket_mtu; 338 #ifndef OPENSSL_NO_DTLS1 339 static int cert_chain = 0; 340 #endif 341 342 #ifndef OPENSSL_NO_TLSEXT 343 static BIO *serverinfo_in = NULL; 344 static const char *s_serverinfo_file = NULL; 345 346 #endif 347 348 #ifndef OPENSSL_NO_PSK 349 static char *psk_identity = "Client_identity"; 350 char *psk_key = NULL; /* by default PSK is not used */ 351 352 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 353 unsigned char *psk, 354 unsigned int max_psk_len) 355 { 356 unsigned int psk_len = 0; 357 int ret; 358 BIGNUM *bn = NULL; 359 360 if (s_debug) 361 BIO_printf(bio_s_out, "psk_server_cb\n"); 362 if (!identity) { 363 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 364 goto out_err; 365 } 366 if (s_debug) 367 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 368 (int)strlen(identity), identity); 369 370 /* here we could lookup the given identity e.g. from a database */ 371 if (strcmp(identity, psk_identity) != 0) { 372 BIO_printf(bio_s_out, "PSK error: client identity not found" 373 " (got '%s' expected '%s')\n", identity, psk_identity); 374 goto out_err; 375 } 376 if (s_debug) 377 BIO_printf(bio_s_out, "PSK client identity found\n"); 378 379 /* convert the PSK key to binary */ 380 ret = BN_hex2bn(&bn, psk_key); 381 if (!ret) { 382 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 383 psk_key); 384 if (bn) 385 BN_free(bn); 386 return 0; 387 } 388 if (BN_num_bytes(bn) > (int)max_psk_len) { 389 BIO_printf(bio_err, 390 "psk buffer of callback is too small (%d) for key (%d)\n", 391 max_psk_len, BN_num_bytes(bn)); 392 BN_free(bn); 393 return 0; 394 } 395 396 ret = BN_bn2bin(bn, psk); 397 BN_free(bn); 398 399 if (ret < 0) 400 goto out_err; 401 psk_len = (unsigned int)ret; 402 403 if (s_debug) 404 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 405 return psk_len; 406 out_err: 407 if (s_debug) 408 BIO_printf(bio_err, "Error in PSK server callback\n"); 409 return 0; 410 } 411 #endif 412 413 #ifndef OPENSSL_NO_SRP 414 /* This is a context that we pass to callbacks */ 415 typedef struct srpsrvparm_st { 416 char *login; 417 SRP_VBASE *vb; 418 SRP_user_pwd *user; 419 } srpsrvparm; 420 421 /* 422 * This callback pretends to require some asynchronous logic in order to 423 * obtain a verifier. When the callback is called for a new connection we 424 * return with a negative value. This will provoke the accept etc to return 425 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 426 * (which would normally occur after a worker has finished) and we set the 427 * user parameters. 428 */ 429 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 430 { 431 srpsrvparm *p = (srpsrvparm *) arg; 432 if (p->login == NULL && p->user == NULL) { 433 p->login = SSL_get_srp_username(s); 434 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 435 return (-1); 436 } 437 438 if (p->user == NULL) { 439 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 440 return SSL3_AL_FATAL; 441 } 442 if (SSL_set_srp_server_param 443 (s, p->user->N, p->user->g, p->user->s, p->user->v, 444 p->user->info) < 0) { 445 *ad = SSL_AD_INTERNAL_ERROR; 446 return SSL3_AL_FATAL; 447 } 448 BIO_printf(bio_err, 449 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 450 p->login, p->user->info); 451 /* need to check whether there are memory leaks */ 452 p->user = NULL; 453 p->login = NULL; 454 return SSL_ERROR_NONE; 455 } 456 457 #endif 458 459 #ifdef MONOLITH 460 static void s_server_init(void) 461 { 462 accept_socket = -1; 463 s_server_verify = SSL_VERIFY_NONE; 464 s_dcert_file = NULL; 465 s_dkey_file = NULL; 466 s_dchain_file = NULL; 467 s_cert_file = TEST_CERT; 468 s_key_file = NULL; 469 s_chain_file = NULL; 470 # ifndef OPENSSL_NO_TLSEXT 471 s_cert_file2 = TEST_CERT2; 472 s_key_file2 = NULL; 473 ctx2 = NULL; 474 # endif 475 # ifdef FIONBIO 476 s_nbio = 0; 477 # endif 478 s_nbio_test = 0; 479 ctx = NULL; 480 www = 0; 481 482 bio_s_out = NULL; 483 s_debug = 0; 484 s_msg = 0; 485 s_quiet = 0; 486 s_brief = 0; 487 hack = 0; 488 # ifndef OPENSSL_NO_ENGINE 489 engine_id = NULL; 490 # endif 491 } 492 #endif 493 494 static void sv_usage(void) 495 { 496 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 497 BIO_printf(bio_err, "\n"); 498 BIO_printf(bio_err, 499 " -accept arg - port to accept on (default is %d)\n", PORT); 500 BIO_printf(bio_err, 501 " -verify_host host - check peer certificate matches \"host\"\n"); 502 BIO_printf(bio_err, 503 " -verify_email email - check peer certificate matches \"email\"\n"); 504 BIO_printf(bio_err, 505 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 506 BIO_printf(bio_err, " -context arg - set session ID context\n"); 507 BIO_printf(bio_err, 508 " -verify arg - turn on peer certificate verification\n"); 509 BIO_printf(bio_err, 510 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 511 BIO_printf(bio_err, 512 " -verify_return_error - return verification errors\n"); 513 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 514 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 515 #ifndef OPENSSL_NO_TLSEXT 516 BIO_printf(bio_err, 517 " -serverinfo arg - PEM serverinfo file for certificate\n"); 518 BIO_printf(bio_err, 519 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); 520 BIO_printf(bio_err, 521 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); 522 #endif 523 BIO_printf(bio_err, 524 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); 525 BIO_printf(bio_err, 526 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 527 " The CRL(s) are appended to the certificate file\n"); 528 BIO_printf(bio_err, 529 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 530 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 531 " the certificate file.\n"); 532 BIO_printf(bio_err, 533 " -certform arg - certificate format (PEM or DER) PEM default\n"); 534 BIO_printf(bio_err, 535 " -key arg - Private Key file to use, in cert file if\n"); 536 BIO_printf(bio_err, " not specified (default is %s)\n", 537 TEST_CERT); 538 BIO_printf(bio_err, 539 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 540 BIO_printf(bio_err, 541 " -pass arg - private key file pass phrase source\n"); 542 BIO_printf(bio_err, 543 " -dcert arg - second certificate file to use (usually for DSA)\n"); 544 BIO_printf(bio_err, 545 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 546 BIO_printf(bio_err, 547 " -dkey arg - second private key file to use (usually for DSA)\n"); 548 BIO_printf(bio_err, 549 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 550 BIO_printf(bio_err, 551 " -dpass arg - second private key file pass phrase source\n"); 552 BIO_printf(bio_err, 553 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 554 BIO_printf(bio_err, 555 " or a default set of parameters is used\n"); 556 #ifndef OPENSSL_NO_ECDH 557 BIO_printf(bio_err, 558 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 559 " Use \"openssl ecparam -list_curves\" for all names\n" 560 " (default is nistp256).\n"); 561 #endif 562 #ifdef FIONBIO 563 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 564 #endif 565 BIO_printf(bio_err, 566 " -nbio_test - test with the non-blocking test bio\n"); 567 BIO_printf(bio_err, 568 " -crlf - convert LF from terminal into CRLF\n"); 569 BIO_printf(bio_err, " -debug - Print more output\n"); 570 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 571 BIO_printf(bio_err, " -state - Print the SSL states\n"); 572 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 573 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 574 BIO_printf(bio_err, 575 " -no_alt_chains - only ever use the first certificate chain found\n"); 576 BIO_printf(bio_err, 577 " -nocert - Don't use any certificates (Anon-DH)\n"); 578 BIO_printf(bio_err, 579 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 580 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 581 BIO_printf(bio_err, " -quiet - No server output\n"); 582 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 583 #ifndef OPENSSL_NO_PSK 584 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 585 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 586 # ifndef OPENSSL_NO_JPAKE 587 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 588 # endif 589 #endif 590 #ifndef OPENSSL_NO_SRP 591 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 592 BIO_printf(bio_err, 593 " -srpuserseed string - A seed string for a default user salt.\n"); 594 #endif 595 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 596 #ifndef OPENSSL_NO_SSL3_METHOD 597 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 598 #endif 599 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 600 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 601 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 602 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 603 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n"); 604 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 605 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 606 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 607 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 608 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 609 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 610 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 611 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 612 #ifndef OPENSSL_NO_DH 613 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 614 #endif 615 #ifndef OPENSSL_NO_ECDH 616 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 617 #endif 618 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 619 BIO_printf(bio_err, 620 " -hack - workaround for early Netscape code\n"); 621 BIO_printf(bio_err, 622 " -www - Respond to a 'GET /' with a status page\n"); 623 BIO_printf(bio_err, 624 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 625 BIO_printf(bio_err, 626 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 627 BIO_printf(bio_err, 628 " with the assumption it contains a complete HTTP response.\n"); 629 #ifndef OPENSSL_NO_ENGINE 630 BIO_printf(bio_err, 631 " -engine id - Initialise and use the specified engine\n"); 632 #endif 633 BIO_printf(bio_err, 634 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 635 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 636 LIST_SEPARATOR_CHAR); 637 #ifndef OPENSSL_NO_TLSEXT 638 BIO_printf(bio_err, 639 " -servername host - servername for HostName TLS extension\n"); 640 BIO_printf(bio_err, 641 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 642 BIO_printf(bio_err, 643 " -cert2 arg - certificate file to use for servername\n"); 644 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 645 BIO_printf(bio_err, 646 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 647 BIO_printf(bio_err, " not specified (default is %s)\n", 648 TEST_CERT2); 649 BIO_printf(bio_err, 650 " -tlsextdebug - hex dump of all TLS extensions received\n"); 651 BIO_printf(bio_err, 652 " -no_ticket - disable use of RFC4507bis session tickets\n"); 653 BIO_printf(bio_err, 654 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 655 # ifndef OPENSSL_NO_NEXTPROTONEG 656 BIO_printf(bio_err, 657 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 658 # endif 659 # ifndef OPENSSL_NO_SRTP 660 BIO_printf(bio_err, 661 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 662 # endif 663 BIO_printf(bio_err, 664 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); 665 #endif 666 BIO_printf(bio_err, 667 " -keymatexport label - Export keying material using label\n"); 668 BIO_printf(bio_err, 669 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 670 BIO_printf(bio_err, 671 " -status - respond to certificate status requests\n"); 672 BIO_printf(bio_err, 673 " -status_verbose - enable status request verbose printout\n"); 674 BIO_printf(bio_err, 675 " -status_timeout n - status request responder timeout\n"); 676 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 677 } 678 679 static int local_argc = 0; 680 static char **local_argv; 681 682 #ifdef CHARSET_EBCDIC 683 static int ebcdic_new(BIO *bi); 684 static int ebcdic_free(BIO *a); 685 static int ebcdic_read(BIO *b, char *out, int outl); 686 static int ebcdic_write(BIO *b, const char *in, int inl); 687 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 688 static int ebcdic_gets(BIO *bp, char *buf, int size); 689 static int ebcdic_puts(BIO *bp, const char *str); 690 691 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 692 static BIO_METHOD methods_ebcdic = { 693 BIO_TYPE_EBCDIC_FILTER, 694 "EBCDIC/ASCII filter", 695 ebcdic_write, 696 ebcdic_read, 697 ebcdic_puts, 698 ebcdic_gets, 699 ebcdic_ctrl, 700 ebcdic_new, 701 ebcdic_free, 702 }; 703 704 typedef struct { 705 size_t alloced; 706 char buff[1]; 707 } EBCDIC_OUTBUFF; 708 709 BIO_METHOD *BIO_f_ebcdic_filter() 710 { 711 return (&methods_ebcdic); 712 } 713 714 static int ebcdic_new(BIO *bi) 715 { 716 EBCDIC_OUTBUFF *wbuf; 717 718 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 719 if (!wbuf) 720 return 0; 721 wbuf->alloced = 1024; 722 wbuf->buff[0] = '\0'; 723 724 bi->ptr = (char *)wbuf; 725 bi->init = 1; 726 bi->flags = 0; 727 return (1); 728 } 729 730 static int ebcdic_free(BIO *a) 731 { 732 if (a == NULL) 733 return (0); 734 if (a->ptr != NULL) 735 OPENSSL_free(a->ptr); 736 a->ptr = NULL; 737 a->init = 0; 738 a->flags = 0; 739 return (1); 740 } 741 742 static int ebcdic_read(BIO *b, char *out, int outl) 743 { 744 int ret = 0; 745 746 if (out == NULL || outl == 0) 747 return (0); 748 if (b->next_bio == NULL) 749 return (0); 750 751 ret = BIO_read(b->next_bio, out, outl); 752 if (ret > 0) 753 ascii2ebcdic(out, out, ret); 754 return (ret); 755 } 756 757 static int ebcdic_write(BIO *b, const char *in, int inl) 758 { 759 EBCDIC_OUTBUFF *wbuf; 760 int ret = 0; 761 int num; 762 unsigned char n; 763 764 if ((in == NULL) || (inl <= 0)) 765 return (0); 766 if (b->next_bio == NULL) 767 return (0); 768 769 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 770 771 if (inl > (num = wbuf->alloced)) { 772 num = num + num; /* double the size */ 773 if (num < inl) 774 num = inl; 775 wbuf = 776 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 777 if (!wbuf) 778 return 0; 779 OPENSSL_free(b->ptr); 780 781 wbuf->alloced = num; 782 wbuf->buff[0] = '\0'; 783 784 b->ptr = (char *)wbuf; 785 } 786 787 ebcdic2ascii(wbuf->buff, in, inl); 788 789 ret = BIO_write(b->next_bio, wbuf->buff, inl); 790 791 return (ret); 792 } 793 794 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 795 { 796 long ret; 797 798 if (b->next_bio == NULL) 799 return (0); 800 switch (cmd) { 801 case BIO_CTRL_DUP: 802 ret = 0L; 803 break; 804 default: 805 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 806 break; 807 } 808 return (ret); 809 } 810 811 static int ebcdic_gets(BIO *bp, char *buf, int size) 812 { 813 int i, ret = 0; 814 if (bp->next_bio == NULL) 815 return (0); 816 /* return(BIO_gets(bp->next_bio,buf,size));*/ 817 for (i = 0; i < size - 1; ++i) { 818 ret = ebcdic_read(bp, &buf[i], 1); 819 if (ret <= 0) 820 break; 821 else if (buf[i] == '\n') { 822 ++i; 823 break; 824 } 825 } 826 if (i < size) 827 buf[i] = '\0'; 828 return (ret < 0 && i == 0) ? ret : i; 829 } 830 831 static int ebcdic_puts(BIO *bp, const char *str) 832 { 833 if (bp->next_bio == NULL) 834 return (0); 835 return ebcdic_write(bp, str, strlen(str)); 836 } 837 #endif 838 839 #ifndef OPENSSL_NO_TLSEXT 840 841 /* This is a context that we pass to callbacks */ 842 typedef struct tlsextctx_st { 843 char *servername; 844 BIO *biodebug; 845 int extension_error; 846 } tlsextctx; 847 848 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 849 { 850 tlsextctx *p = (tlsextctx *) arg; 851 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 852 if (servername && p->biodebug) 853 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 854 servername); 855 856 if (!p->servername) 857 return SSL_TLSEXT_ERR_NOACK; 858 859 if (servername) { 860 if (strcasecmp(servername, p->servername)) 861 return p->extension_error; 862 if (ctx2) { 863 BIO_printf(p->biodebug, "Switching server context.\n"); 864 SSL_set_SSL_CTX(s, ctx2); 865 } 866 } 867 return SSL_TLSEXT_ERR_OK; 868 } 869 870 /* Structure passed to cert status callback */ 871 872 typedef struct tlsextstatusctx_st { 873 /* Default responder to use */ 874 char *host, *path, *port; 875 int use_ssl; 876 int timeout; 877 BIO *err; 878 int verbose; 879 } tlsextstatusctx; 880 881 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 882 883 /* 884 * Certificate Status callback. This is called when a client includes a 885 * certificate status request extension. This is a simplified version. It 886 * examines certificates each time and makes one OCSP responder query for 887 * each request. A full version would store details such as the OCSP 888 * certificate IDs and minimise the number of OCSP responses by caching them 889 * until they were considered "expired". 890 */ 891 892 static int cert_status_cb(SSL *s, void *arg) 893 { 894 tlsextstatusctx *srctx = arg; 895 BIO *err = srctx->err; 896 char *host, *port, *path; 897 int use_ssl; 898 unsigned char *rspder = NULL; 899 int rspderlen; 900 STACK_OF(OPENSSL_STRING) *aia = NULL; 901 X509 *x = NULL; 902 X509_STORE_CTX inctx; 903 X509_OBJECT obj; 904 OCSP_REQUEST *req = NULL; 905 OCSP_RESPONSE *resp = NULL; 906 OCSP_CERTID *id = NULL; 907 STACK_OF(X509_EXTENSION) *exts; 908 int ret = SSL_TLSEXT_ERR_NOACK; 909 int i; 910 # if 0 911 STACK_OF(OCSP_RESPID) *ids; 912 SSL_get_tlsext_status_ids(s, &ids); 913 BIO_printf(err, "cert_status: received %d ids\n", 914 sk_OCSP_RESPID_num(ids)); 915 # endif 916 if (srctx->verbose) 917 BIO_puts(err, "cert_status: callback called\n"); 918 /* Build up OCSP query from server certificate */ 919 x = SSL_get_certificate(s); 920 aia = X509_get1_ocsp(x); 921 if (aia) { 922 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 923 &host, &port, &path, &use_ssl)) { 924 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 925 goto err; 926 } 927 if (srctx->verbose) 928 BIO_printf(err, "cert_status: AIA URL: %s\n", 929 sk_OPENSSL_STRING_value(aia, 0)); 930 } else { 931 if (!srctx->host) { 932 BIO_puts(srctx->err, 933 "cert_status: no AIA and no default responder URL\n"); 934 goto done; 935 } 936 host = srctx->host; 937 path = srctx->path; 938 port = srctx->port; 939 use_ssl = srctx->use_ssl; 940 } 941 942 if (!X509_STORE_CTX_init(&inctx, 943 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 944 NULL, NULL)) 945 goto err; 946 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 947 X509_get_issuer_name(x), &obj) <= 0) { 948 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 949 X509_STORE_CTX_cleanup(&inctx); 950 goto done; 951 } 952 req = OCSP_REQUEST_new(); 953 if (!req) 954 goto err; 955 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 956 X509_free(obj.data.x509); 957 X509_STORE_CTX_cleanup(&inctx); 958 if (!id) 959 goto err; 960 if (!OCSP_request_add0_id(req, id)) 961 goto err; 962 id = NULL; 963 /* Add any extensions to the request */ 964 SSL_get_tlsext_status_exts(s, &exts); 965 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 966 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 967 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 968 goto err; 969 } 970 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 971 srctx->timeout); 972 if (!resp) { 973 BIO_puts(err, "cert_status: error querying responder\n"); 974 goto done; 975 } 976 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 977 if (rspderlen <= 0) 978 goto err; 979 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 980 if (srctx->verbose) { 981 BIO_puts(err, "cert_status: ocsp response sent:\n"); 982 OCSP_RESPONSE_print(err, resp, 2); 983 } 984 ret = SSL_TLSEXT_ERR_OK; 985 done: 986 if (ret != SSL_TLSEXT_ERR_OK) 987 ERR_print_errors(err); 988 if (aia) { 989 OPENSSL_free(host); 990 OPENSSL_free(path); 991 OPENSSL_free(port); 992 X509_email_free(aia); 993 } 994 if (id) 995 OCSP_CERTID_free(id); 996 if (req) 997 OCSP_REQUEST_free(req); 998 if (resp) 999 OCSP_RESPONSE_free(resp); 1000 return ret; 1001 err: 1002 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 1003 goto done; 1004 } 1005 1006 # ifndef OPENSSL_NO_NEXTPROTONEG 1007 /* This is the context that we pass to next_proto_cb */ 1008 typedef struct tlsextnextprotoctx_st { 1009 unsigned char *data; 1010 unsigned int len; 1011 } tlsextnextprotoctx; 1012 1013 static int next_proto_cb(SSL *s, const unsigned char **data, 1014 unsigned int *len, void *arg) 1015 { 1016 tlsextnextprotoctx *next_proto = arg; 1017 1018 *data = next_proto->data; 1019 *len = next_proto->len; 1020 1021 return SSL_TLSEXT_ERR_OK; 1022 } 1023 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 1024 1025 /* This the context that we pass to alpn_cb */ 1026 typedef struct tlsextalpnctx_st { 1027 unsigned char *data; 1028 unsigned short len; 1029 } tlsextalpnctx; 1030 1031 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 1032 const unsigned char *in, unsigned int inlen, void *arg) 1033 { 1034 tlsextalpnctx *alpn_ctx = arg; 1035 1036 if (!s_quiet) { 1037 /* We can assume that |in| is syntactically valid. */ 1038 unsigned i; 1039 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 1040 for (i = 0; i < inlen;) { 1041 if (i) 1042 BIO_write(bio_s_out, ", ", 2); 1043 BIO_write(bio_s_out, &in[i + 1], in[i]); 1044 i += in[i] + 1; 1045 } 1046 BIO_write(bio_s_out, "\n", 1); 1047 } 1048 1049 if (SSL_select_next_proto 1050 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 1051 inlen) != OPENSSL_NPN_NEGOTIATED) { 1052 return SSL_TLSEXT_ERR_NOACK; 1053 } 1054 1055 if (!s_quiet) { 1056 BIO_printf(bio_s_out, "ALPN protocols selected: "); 1057 BIO_write(bio_s_out, *out, *outlen); 1058 BIO_write(bio_s_out, "\n", 1); 1059 } 1060 1061 return SSL_TLSEXT_ERR_OK; 1062 } 1063 #endif /* ndef OPENSSL_NO_TLSEXT */ 1064 1065 int MAIN(int, char **); 1066 1067 #ifndef OPENSSL_NO_JPAKE 1068 static char *jpake_secret = NULL; 1069 # define no_jpake !jpake_secret 1070 #else 1071 # define no_jpake 1 1072 #endif 1073 #ifndef OPENSSL_NO_SRP 1074 static srpsrvparm srp_callback_parm; 1075 #endif 1076 #ifndef OPENSSL_NO_SRTP 1077 static char *srtp_profiles = NULL; 1078 #endif 1079 1080 int MAIN(int argc, char *argv[]) 1081 { 1082 X509_VERIFY_PARAM *vpm = NULL; 1083 int badarg = 0; 1084 short port = PORT; 1085 char *CApath = NULL, *CAfile = NULL; 1086 char *chCApath = NULL, *chCAfile = NULL; 1087 char *vfyCApath = NULL, *vfyCAfile = NULL; 1088 unsigned char *context = NULL; 1089 char *dhfile = NULL; 1090 int badop = 0; 1091 int ret = 1; 1092 int build_chain = 0; 1093 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; 1094 int state = 0; 1095 const SSL_METHOD *meth = NULL; 1096 int socket_type = SOCK_STREAM; 1097 ENGINE *e = NULL; 1098 char *inrand = NULL; 1099 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1100 char *passarg = NULL, *pass = NULL; 1101 char *dpassarg = NULL, *dpass = NULL; 1102 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1103 X509 *s_cert = NULL, *s_dcert = NULL; 1104 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1105 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1106 int no_cache = 0, ext_cache = 0; 1107 int rev = 0, naccept = -1; 1108 #ifndef OPENSSL_NO_TLSEXT 1109 EVP_PKEY *s_key2 = NULL; 1110 X509 *s_cert2 = NULL; 1111 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1112 # ifndef OPENSSL_NO_NEXTPROTONEG 1113 const char *next_proto_neg_in = NULL; 1114 tlsextnextprotoctx next_proto = { NULL, 0 }; 1115 # endif 1116 const char *alpn_in = NULL; 1117 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1118 #endif 1119 #ifndef OPENSSL_NO_PSK 1120 /* by default do not send a PSK identity hint */ 1121 static char *psk_identity_hint = NULL; 1122 #endif 1123 #ifndef OPENSSL_NO_SRP 1124 char *srpuserseed = NULL; 1125 char *srp_verifier_file = NULL; 1126 #endif 1127 SSL_EXCERT *exc = NULL; 1128 SSL_CONF_CTX *cctx = NULL; 1129 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1130 1131 char *crl_file = NULL; 1132 int crl_format = FORMAT_PEM; 1133 int crl_download = 0; 1134 STACK_OF(X509_CRL) *crls = NULL; 1135 1136 meth = SSLv23_server_method(); 1137 1138 local_argc = argc; 1139 local_argv = argv; 1140 1141 apps_startup(); 1142 #ifdef MONOLITH 1143 s_server_init(); 1144 #endif 1145 1146 if (bio_err == NULL) 1147 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1148 1149 if (!load_config(bio_err, NULL)) 1150 goto end; 1151 1152 cctx = SSL_CONF_CTX_new(); 1153 if (!cctx) 1154 goto end; 1155 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); 1156 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 1157 1158 verify_depth = 0; 1159 #ifdef FIONBIO 1160 s_nbio = 0; 1161 #endif 1162 s_nbio_test = 0; 1163 1164 argc--; 1165 argv++; 1166 1167 while (argc >= 1) { 1168 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1169 if (--argc < 1) 1170 goto bad; 1171 if (!extract_port(*(++argv), &port)) 1172 goto bad; 1173 } else if (strcmp(*argv, "-naccept") == 0) { 1174 if (--argc < 1) 1175 goto bad; 1176 naccept = atol(*(++argv)); 1177 if (naccept <= 0) { 1178 BIO_printf(bio_err, "bad accept value %s\n", *argv); 1179 goto bad; 1180 } 1181 } else if (strcmp(*argv, "-verify") == 0) { 1182 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1183 if (--argc < 1) 1184 goto bad; 1185 verify_depth = atoi(*(++argv)); 1186 if (!s_quiet) 1187 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1188 } else if (strcmp(*argv, "-Verify") == 0) { 1189 s_server_verify = 1190 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1191 SSL_VERIFY_CLIENT_ONCE; 1192 if (--argc < 1) 1193 goto bad; 1194 verify_depth = atoi(*(++argv)); 1195 if (!s_quiet) 1196 BIO_printf(bio_err, 1197 "verify depth is %d, must return a certificate\n", 1198 verify_depth); 1199 } else if (strcmp(*argv, "-context") == 0) { 1200 if (--argc < 1) 1201 goto bad; 1202 context = (unsigned char *)*(++argv); 1203 } else if (strcmp(*argv, "-cert") == 0) { 1204 if (--argc < 1) 1205 goto bad; 1206 s_cert_file = *(++argv); 1207 } else if (strcmp(*argv, "-CRL") == 0) { 1208 if (--argc < 1) 1209 goto bad; 1210 crl_file = *(++argv); 1211 } else if (strcmp(*argv, "-crl_download") == 0) 1212 crl_download = 1; 1213 #ifndef OPENSSL_NO_TLSEXT 1214 else if (strcmp(*argv, "-serverinfo") == 0) { 1215 if (--argc < 1) 1216 goto bad; 1217 s_serverinfo_file = *(++argv); 1218 } 1219 #endif 1220 else if (strcmp(*argv, "-certform") == 0) { 1221 if (--argc < 1) 1222 goto bad; 1223 s_cert_format = str2fmt(*(++argv)); 1224 } else if (strcmp(*argv, "-key") == 0) { 1225 if (--argc < 1) 1226 goto bad; 1227 s_key_file = *(++argv); 1228 } else if (strcmp(*argv, "-keyform") == 0) { 1229 if (--argc < 1) 1230 goto bad; 1231 s_key_format = str2fmt(*(++argv)); 1232 } else if (strcmp(*argv, "-pass") == 0) { 1233 if (--argc < 1) 1234 goto bad; 1235 passarg = *(++argv); 1236 } else if (strcmp(*argv, "-cert_chain") == 0) { 1237 if (--argc < 1) 1238 goto bad; 1239 s_chain_file = *(++argv); 1240 } else if (strcmp(*argv, "-dhparam") == 0) { 1241 if (--argc < 1) 1242 goto bad; 1243 dhfile = *(++argv); 1244 } else if (strcmp(*argv, "-dcertform") == 0) { 1245 if (--argc < 1) 1246 goto bad; 1247 s_dcert_format = str2fmt(*(++argv)); 1248 } else if (strcmp(*argv, "-dcert") == 0) { 1249 if (--argc < 1) 1250 goto bad; 1251 s_dcert_file = *(++argv); 1252 } else if (strcmp(*argv, "-dkeyform") == 0) { 1253 if (--argc < 1) 1254 goto bad; 1255 s_dkey_format = str2fmt(*(++argv)); 1256 } else if (strcmp(*argv, "-dpass") == 0) { 1257 if (--argc < 1) 1258 goto bad; 1259 dpassarg = *(++argv); 1260 } else if (strcmp(*argv, "-dkey") == 0) { 1261 if (--argc < 1) 1262 goto bad; 1263 s_dkey_file = *(++argv); 1264 } else if (strcmp(*argv, "-dcert_chain") == 0) { 1265 if (--argc < 1) 1266 goto bad; 1267 s_dchain_file = *(++argv); 1268 } else if (strcmp(*argv, "-nocert") == 0) { 1269 nocert = 1; 1270 } else if (strcmp(*argv, "-CApath") == 0) { 1271 if (--argc < 1) 1272 goto bad; 1273 CApath = *(++argv); 1274 } else if (strcmp(*argv, "-chainCApath") == 0) { 1275 if (--argc < 1) 1276 goto bad; 1277 chCApath = *(++argv); 1278 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1279 if (--argc < 1) 1280 goto bad; 1281 vfyCApath = *(++argv); 1282 } else if (strcmp(*argv, "-no_cache") == 0) 1283 no_cache = 1; 1284 else if (strcmp(*argv, "-ext_cache") == 0) 1285 ext_cache = 1; 1286 else if (strcmp(*argv, "-CRLform") == 0) { 1287 if (--argc < 1) 1288 goto bad; 1289 crl_format = str2fmt(*(++argv)); 1290 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1291 if (badarg) 1292 goto bad; 1293 continue; 1294 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 1295 if (badarg) 1296 goto bad; 1297 continue; 1298 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) { 1299 if (badarg) 1300 goto bad; 1301 continue; 1302 } else if (strcmp(*argv, "-verify_return_error") == 0) 1303 verify_return_error = 1; 1304 else if (strcmp(*argv, "-verify_quiet") == 0) 1305 verify_quiet = 1; 1306 else if (strcmp(*argv, "-build_chain") == 0) 1307 build_chain = 1; 1308 else if (strcmp(*argv, "-CAfile") == 0) { 1309 if (--argc < 1) 1310 goto bad; 1311 CAfile = *(++argv); 1312 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1313 if (--argc < 1) 1314 goto bad; 1315 chCAfile = *(++argv); 1316 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1317 if (--argc < 1) 1318 goto bad; 1319 vfyCAfile = *(++argv); 1320 } 1321 #ifdef FIONBIO 1322 else if (strcmp(*argv, "-nbio") == 0) { 1323 s_nbio = 1; 1324 } 1325 #endif 1326 else if (strcmp(*argv, "-nbio_test") == 0) { 1327 #ifdef FIONBIO 1328 s_nbio = 1; 1329 #endif 1330 s_nbio_test = 1; 1331 } else if (strcmp(*argv, "-ign_eof") == 0) 1332 s_ign_eof = 1; 1333 else if (strcmp(*argv, "-no_ign_eof") == 0) 1334 s_ign_eof = 0; 1335 else if (strcmp(*argv, "-debug") == 0) { 1336 s_debug = 1; 1337 } 1338 #ifndef OPENSSL_NO_TLSEXT 1339 else if (strcmp(*argv, "-tlsextdebug") == 0) 1340 s_tlsextdebug = 1; 1341 else if (strcmp(*argv, "-status") == 0) 1342 s_tlsextstatus = 1; 1343 else if (strcmp(*argv, "-status_verbose") == 0) { 1344 s_tlsextstatus = 1; 1345 tlscstatp.verbose = 1; 1346 } else if (!strcmp(*argv, "-status_timeout")) { 1347 s_tlsextstatus = 1; 1348 if (--argc < 1) 1349 goto bad; 1350 tlscstatp.timeout = atoi(*(++argv)); 1351 } else if (!strcmp(*argv, "-status_url")) { 1352 s_tlsextstatus = 1; 1353 if (--argc < 1) 1354 goto bad; 1355 if (!OCSP_parse_url(*(++argv), 1356 &tlscstatp.host, 1357 &tlscstatp.port, 1358 &tlscstatp.path, &tlscstatp.use_ssl)) { 1359 BIO_printf(bio_err, "Error parsing URL\n"); 1360 goto bad; 1361 } 1362 } 1363 #endif 1364 else if (strcmp(*argv, "-msg") == 0) { 1365 s_msg = 1; 1366 } else if (strcmp(*argv, "-msgfile") == 0) { 1367 if (--argc < 1) 1368 goto bad; 1369 bio_s_msg = BIO_new_file(*(++argv), "w"); 1370 } 1371 #ifndef OPENSSL_NO_SSL_TRACE 1372 else if (strcmp(*argv, "-trace") == 0) { 1373 s_msg = 2; 1374 } 1375 #endif 1376 else if (strcmp(*argv, "-hack") == 0) { 1377 hack = 1; 1378 } else if (strcmp(*argv, "-state") == 0) { 1379 state = 1; 1380 } else if (strcmp(*argv, "-crlf") == 0) { 1381 s_crlf = 1; 1382 } else if (strcmp(*argv, "-quiet") == 0) { 1383 s_quiet = 1; 1384 } else if (strcmp(*argv, "-brief") == 0) { 1385 s_quiet = 1; 1386 s_brief = 1; 1387 verify_quiet = 1; 1388 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1389 no_tmp_rsa = 1; 1390 } else if (strcmp(*argv, "-no_dhe") == 0) { 1391 no_dhe = 1; 1392 } else if (strcmp(*argv, "-no_ecdhe") == 0) { 1393 no_ecdhe = 1; 1394 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1395 no_resume_ephemeral = 1; 1396 } 1397 #ifndef OPENSSL_NO_PSK 1398 else if (strcmp(*argv, "-psk_hint") == 0) { 1399 if (--argc < 1) 1400 goto bad; 1401 psk_identity_hint = *(++argv); 1402 } else if (strcmp(*argv, "-psk") == 0) { 1403 size_t i; 1404 1405 if (--argc < 1) 1406 goto bad; 1407 psk_key = *(++argv); 1408 for (i = 0; i < strlen(psk_key); i++) { 1409 if (isxdigit((unsigned char)psk_key[i])) 1410 continue; 1411 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1412 goto bad; 1413 } 1414 } 1415 #endif 1416 #ifndef OPENSSL_NO_SRP 1417 else if (strcmp(*argv, "-srpvfile") == 0) { 1418 if (--argc < 1) 1419 goto bad; 1420 srp_verifier_file = *(++argv); 1421 meth = TLSv1_server_method(); 1422 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1423 if (--argc < 1) 1424 goto bad; 1425 srpuserseed = *(++argv); 1426 meth = TLSv1_server_method(); 1427 } 1428 #endif 1429 else if (strcmp(*argv, "-rev") == 0) { 1430 rev = 1; 1431 } else if (strcmp(*argv, "-www") == 0) { 1432 www = 1; 1433 } else if (strcmp(*argv, "-WWW") == 0) { 1434 www = 2; 1435 } else if (strcmp(*argv, "-HTTP") == 0) { 1436 www = 3; 1437 } 1438 #ifndef OPENSSL_NO_SSL2 1439 else if (strcmp(*argv, "-ssl2") == 0) { 1440 no_ecdhe = 1; 1441 meth = SSLv2_server_method(); 1442 } 1443 #endif 1444 #ifndef OPENSSL_NO_SSL3_METHOD 1445 else if (strcmp(*argv, "-ssl3") == 0) { 1446 meth = SSLv3_server_method(); 1447 } 1448 #endif 1449 #ifndef OPENSSL_NO_TLS1 1450 else if (strcmp(*argv, "-tls1") == 0) { 1451 meth = TLSv1_server_method(); 1452 } else if (strcmp(*argv, "-tls1_1") == 0) { 1453 meth = TLSv1_1_server_method(); 1454 } else if (strcmp(*argv, "-tls1_2") == 0) { 1455 meth = TLSv1_2_server_method(); 1456 } 1457 #endif 1458 #ifndef OPENSSL_NO_DTLS1 1459 else if (strcmp(*argv, "-dtls") == 0) { 1460 meth = DTLS_server_method(); 1461 socket_type = SOCK_DGRAM; 1462 } else if (strcmp(*argv, "-dtls1") == 0) { 1463 meth = DTLSv1_server_method(); 1464 socket_type = SOCK_DGRAM; 1465 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1466 meth = DTLSv1_2_server_method(); 1467 socket_type = SOCK_DGRAM; 1468 } else if (strcmp(*argv, "-timeout") == 0) 1469 enable_timeouts = 1; 1470 else if (strcmp(*argv, "-mtu") == 0) { 1471 if (--argc < 1) 1472 goto bad; 1473 socket_mtu = atol(*(++argv)); 1474 } else if (strcmp(*argv, "-chain") == 0) 1475 cert_chain = 1; 1476 #endif 1477 else if (strcmp(*argv, "-id_prefix") == 0) { 1478 if (--argc < 1) 1479 goto bad; 1480 session_id_prefix = *(++argv); 1481 } 1482 #ifndef OPENSSL_NO_ENGINE 1483 else if (strcmp(*argv, "-engine") == 0) { 1484 if (--argc < 1) 1485 goto bad; 1486 engine_id = *(++argv); 1487 } 1488 #endif 1489 else if (strcmp(*argv, "-rand") == 0) { 1490 if (--argc < 1) 1491 goto bad; 1492 inrand = *(++argv); 1493 } 1494 #ifndef OPENSSL_NO_TLSEXT 1495 else if (strcmp(*argv, "-servername") == 0) { 1496 if (--argc < 1) 1497 goto bad; 1498 tlsextcbp.servername = *(++argv); 1499 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1500 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1501 } else if (strcmp(*argv, "-cert2") == 0) { 1502 if (--argc < 1) 1503 goto bad; 1504 s_cert_file2 = *(++argv); 1505 } else if (strcmp(*argv, "-key2") == 0) { 1506 if (--argc < 1) 1507 goto bad; 1508 s_key_file2 = *(++argv); 1509 } 1510 # ifndef OPENSSL_NO_NEXTPROTONEG 1511 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1512 if (--argc < 1) 1513 goto bad; 1514 next_proto_neg_in = *(++argv); 1515 } 1516 # endif 1517 else if (strcmp(*argv, "-alpn") == 0) { 1518 if (--argc < 1) 1519 goto bad; 1520 alpn_in = *(++argv); 1521 } 1522 #endif 1523 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1524 else if (strcmp(*argv, "-jpake") == 0) { 1525 if (--argc < 1) 1526 goto bad; 1527 jpake_secret = *(++argv); 1528 } 1529 #endif 1530 #ifndef OPENSSL_NO_SRTP 1531 else if (strcmp(*argv, "-use_srtp") == 0) { 1532 if (--argc < 1) 1533 goto bad; 1534 srtp_profiles = *(++argv); 1535 } 1536 #endif 1537 else if (strcmp(*argv, "-keymatexport") == 0) { 1538 if (--argc < 1) 1539 goto bad; 1540 keymatexportlabel = *(++argv); 1541 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1542 if (--argc < 1) 1543 goto bad; 1544 keymatexportlen = atoi(*(++argv)); 1545 if (keymatexportlen == 0) 1546 goto bad; 1547 } else { 1548 BIO_printf(bio_err, "unknown option %s\n", *argv); 1549 badop = 1; 1550 break; 1551 } 1552 argc--; 1553 argv++; 1554 } 1555 if (badop) { 1556 bad: 1557 sv_usage(); 1558 goto end; 1559 } 1560 #ifndef OPENSSL_NO_DTLS1 1561 if (www && socket_type == SOCK_DGRAM) { 1562 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1563 goto end; 1564 } 1565 #endif 1566 1567 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1568 if (jpake_secret) { 1569 if (psk_key) { 1570 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1571 goto end; 1572 } 1573 psk_identity = "JPAKE"; 1574 } 1575 #endif 1576 1577 SSL_load_error_strings(); 1578 OpenSSL_add_ssl_algorithms(); 1579 1580 #ifndef OPENSSL_NO_ENGINE 1581 e = setup_engine(bio_err, engine_id, 1); 1582 #endif 1583 1584 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1585 BIO_printf(bio_err, "Error getting password\n"); 1586 goto end; 1587 } 1588 1589 if (s_key_file == NULL) 1590 s_key_file = s_cert_file; 1591 #ifndef OPENSSL_NO_TLSEXT 1592 if (s_key_file2 == NULL) 1593 s_key_file2 = s_cert_file2; 1594 #endif 1595 1596 if (!load_excert(&exc, bio_err)) 1597 goto end; 1598 1599 if (nocert == 0) { 1600 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1601 "server certificate private key file"); 1602 if (!s_key) { 1603 ERR_print_errors(bio_err); 1604 goto end; 1605 } 1606 1607 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1608 NULL, e, "server certificate file"); 1609 1610 if (!s_cert) { 1611 ERR_print_errors(bio_err); 1612 goto end; 1613 } 1614 if (s_chain_file) { 1615 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1616 NULL, e, "server certificate chain"); 1617 if (!s_chain) 1618 goto end; 1619 } 1620 #ifndef OPENSSL_NO_TLSEXT 1621 if (tlsextcbp.servername) { 1622 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1623 "second server certificate private key file"); 1624 if (!s_key2) { 1625 ERR_print_errors(bio_err); 1626 goto end; 1627 } 1628 1629 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1630 NULL, e, "second server certificate file"); 1631 1632 if (!s_cert2) { 1633 ERR_print_errors(bio_err); 1634 goto end; 1635 } 1636 } 1637 #endif /* OPENSSL_NO_TLSEXT */ 1638 } 1639 #if !defined(OPENSSL_NO_TLSEXT) 1640 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1641 if (next_proto_neg_in) { 1642 unsigned short len; 1643 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1644 if (next_proto.data == NULL) 1645 goto end; 1646 next_proto.len = len; 1647 } else { 1648 next_proto.data = NULL; 1649 } 1650 # endif 1651 alpn_ctx.data = NULL; 1652 if (alpn_in) { 1653 unsigned short len; 1654 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1655 if (alpn_ctx.data == NULL) 1656 goto end; 1657 alpn_ctx.len = len; 1658 } 1659 #endif 1660 1661 if (crl_file) { 1662 X509_CRL *crl; 1663 crl = load_crl(crl_file, crl_format); 1664 if (!crl) { 1665 BIO_puts(bio_err, "Error loading CRL\n"); 1666 ERR_print_errors(bio_err); 1667 goto end; 1668 } 1669 crls = sk_X509_CRL_new_null(); 1670 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1671 BIO_puts(bio_err, "Error adding CRL\n"); 1672 ERR_print_errors(bio_err); 1673 X509_CRL_free(crl); 1674 goto end; 1675 } 1676 } 1677 1678 if (s_dcert_file) { 1679 1680 if (s_dkey_file == NULL) 1681 s_dkey_file = s_dcert_file; 1682 1683 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1684 0, dpass, e, "second certificate private key file"); 1685 if (!s_dkey) { 1686 ERR_print_errors(bio_err); 1687 goto end; 1688 } 1689 1690 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1691 NULL, e, "second server certificate file"); 1692 1693 if (!s_dcert) { 1694 ERR_print_errors(bio_err); 1695 goto end; 1696 } 1697 if (s_dchain_file) { 1698 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1699 NULL, e, "second server certificate chain"); 1700 if (!s_dchain) 1701 goto end; 1702 } 1703 1704 } 1705 1706 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1707 && !RAND_status()) { 1708 BIO_printf(bio_err, 1709 "warning, not much extra random data, consider using the -rand option\n"); 1710 } 1711 if (inrand != NULL) 1712 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1713 app_RAND_load_files(inrand)); 1714 1715 if (bio_s_out == NULL) { 1716 if (s_quiet && !s_debug) { 1717 bio_s_out = BIO_new(BIO_s_null()); 1718 if (s_msg && !bio_s_msg) 1719 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1720 } else { 1721 if (bio_s_out == NULL) 1722 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1723 } 1724 } 1725 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1726 if (nocert) 1727 #endif 1728 { 1729 s_cert_file = NULL; 1730 s_key_file = NULL; 1731 s_dcert_file = NULL; 1732 s_dkey_file = NULL; 1733 #ifndef OPENSSL_NO_TLSEXT 1734 s_cert_file2 = NULL; 1735 s_key_file2 = NULL; 1736 #endif 1737 } 1738 1739 ctx = SSL_CTX_new(meth); 1740 if (ctx == NULL) { 1741 ERR_print_errors(bio_err); 1742 goto end; 1743 } 1744 if (session_id_prefix) { 1745 if (strlen(session_id_prefix) >= 32) 1746 BIO_printf(bio_err, 1747 "warning: id_prefix is too long, only one new session will be possible\n"); 1748 else if (strlen(session_id_prefix) >= 16) 1749 BIO_printf(bio_err, 1750 "warning: id_prefix is too long if you use SSLv2\n"); 1751 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1752 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1753 ERR_print_errors(bio_err); 1754 goto end; 1755 } 1756 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1757 } 1758 SSL_CTX_set_quiet_shutdown(ctx, 1); 1759 if (hack) 1760 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1761 if (exc) 1762 ssl_ctx_set_excert(ctx, exc); 1763 1764 if (state) 1765 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1766 if (no_cache) 1767 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1768 else if (ext_cache) 1769 init_session_cache_ctx(ctx); 1770 else 1771 SSL_CTX_sess_set_cache_size(ctx, 128); 1772 1773 #ifndef OPENSSL_NO_SRTP 1774 if (srtp_profiles != NULL) 1775 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1776 #endif 1777 1778 #if 0 1779 if (cipher == NULL) 1780 cipher = getenv("SSL_CIPHER"); 1781 #endif 1782 1783 #if 0 1784 if (s_cert_file == NULL) { 1785 BIO_printf(bio_err, 1786 "You must specify a certificate file for the server to use\n"); 1787 goto end; 1788 } 1789 #endif 1790 1791 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1792 (!SSL_CTX_set_default_verify_paths(ctx))) { 1793 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1794 ERR_print_errors(bio_err); 1795 /* goto end; */ 1796 } 1797 if (vpm) 1798 SSL_CTX_set1_param(ctx, vpm); 1799 1800 ssl_ctx_add_crls(ctx, crls, 0); 1801 1802 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1803 goto end; 1804 1805 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1806 crls, crl_download)) { 1807 BIO_printf(bio_err, "Error loading store locations\n"); 1808 ERR_print_errors(bio_err); 1809 goto end; 1810 } 1811 #ifndef OPENSSL_NO_TLSEXT 1812 if (s_cert2) { 1813 ctx2 = SSL_CTX_new(meth); 1814 if (ctx2 == NULL) { 1815 ERR_print_errors(bio_err); 1816 goto end; 1817 } 1818 } 1819 1820 if (ctx2) { 1821 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1822 1823 if (session_id_prefix) { 1824 if (strlen(session_id_prefix) >= 32) 1825 BIO_printf(bio_err, 1826 "warning: id_prefix is too long, only one new session will be possible\n"); 1827 else if (strlen(session_id_prefix) >= 16) 1828 BIO_printf(bio_err, 1829 "warning: id_prefix is too long if you use SSLv2\n"); 1830 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1831 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1832 ERR_print_errors(bio_err); 1833 goto end; 1834 } 1835 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1836 } 1837 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1838 if (hack) 1839 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1840 if (exc) 1841 ssl_ctx_set_excert(ctx2, exc); 1842 1843 if (state) 1844 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1845 1846 if (no_cache) 1847 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1848 else if (ext_cache) 1849 init_session_cache_ctx(ctx2); 1850 else 1851 SSL_CTX_sess_set_cache_size(ctx2, 128); 1852 1853 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1854 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1855 ERR_print_errors(bio_err); 1856 } 1857 if (vpm) 1858 SSL_CTX_set1_param(ctx2, vpm); 1859 1860 ssl_ctx_add_crls(ctx2, crls, 0); 1861 1862 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1863 goto end; 1864 1865 } 1866 # ifndef OPENSSL_NO_NEXTPROTONEG 1867 if (next_proto.data) 1868 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1869 &next_proto); 1870 # endif 1871 if (alpn_ctx.data) 1872 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1873 #endif 1874 1875 #ifndef OPENSSL_NO_DH 1876 if (!no_dhe) { 1877 DH *dh = NULL; 1878 1879 if (dhfile) 1880 dh = load_dh_param(dhfile); 1881 else if (s_cert_file) 1882 dh = load_dh_param(s_cert_file); 1883 1884 if (dh != NULL) { 1885 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1886 } else { 1887 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1888 dh = get_dh2048(); 1889 if (dh == NULL) { 1890 ERR_print_errors(bio_err); 1891 goto end; 1892 } 1893 } 1894 (void)BIO_flush(bio_s_out); 1895 1896 SSL_CTX_set_tmp_dh(ctx, dh); 1897 # ifndef OPENSSL_NO_TLSEXT 1898 if (ctx2) { 1899 if (!dhfile) { 1900 DH *dh2 = load_dh_param(s_cert_file2); 1901 if (dh2 != NULL) { 1902 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1903 (void)BIO_flush(bio_s_out); 1904 1905 DH_free(dh); 1906 dh = dh2; 1907 } 1908 } 1909 SSL_CTX_set_tmp_dh(ctx2, dh); 1910 } 1911 # endif 1912 DH_free(dh); 1913 } 1914 #endif 1915 1916 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1917 goto end; 1918 #ifndef OPENSSL_NO_TLSEXT 1919 if (s_serverinfo_file != NULL 1920 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1921 ERR_print_errors(bio_err); 1922 goto end; 1923 } 1924 #endif 1925 #ifndef OPENSSL_NO_TLSEXT 1926 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1927 goto end; 1928 #endif 1929 if (s_dcert != NULL) { 1930 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1931 goto end; 1932 } 1933 #ifndef OPENSSL_NO_RSA 1934 # if 1 1935 if (!no_tmp_rsa) { 1936 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1937 # ifndef OPENSSL_NO_TLSEXT 1938 if (ctx2) 1939 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1940 # endif 1941 } 1942 # else 1943 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1944 RSA *rsa; 1945 1946 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1947 BIO_flush(bio_s_out); 1948 1949 rsa = RSA_generate_key(512, RSA_F4, NULL); 1950 1951 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1952 ERR_print_errors(bio_err); 1953 goto end; 1954 } 1955 # ifndef OPENSSL_NO_TLSEXT 1956 if (ctx2) { 1957 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1958 ERR_print_errors(bio_err); 1959 goto end; 1960 } 1961 } 1962 # endif 1963 RSA_free(rsa); 1964 BIO_printf(bio_s_out, "\n"); 1965 } 1966 # endif 1967 #endif 1968 1969 #ifndef OPENSSL_NO_PSK 1970 # ifdef OPENSSL_NO_JPAKE 1971 if (psk_key != NULL) 1972 # else 1973 if (psk_key != NULL || jpake_secret) 1974 # endif 1975 { 1976 if (s_debug) 1977 BIO_printf(bio_s_out, 1978 "PSK key given or JPAKE in use, setting server callback\n"); 1979 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1980 } 1981 1982 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1983 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1984 ERR_print_errors(bio_err); 1985 goto end; 1986 } 1987 #endif 1988 1989 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 1990 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 1991 sizeof s_server_session_id_context); 1992 1993 /* Set DTLS cookie generation and verification callbacks */ 1994 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1995 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1996 1997 #ifndef OPENSSL_NO_TLSEXT 1998 if (ctx2) { 1999 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2000 SSL_CTX_set_session_id_context(ctx2, 2001 (void *)&s_server_session_id_context, 2002 sizeof s_server_session_id_context); 2003 2004 tlsextcbp.biodebug = bio_s_out; 2005 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2006 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2007 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2008 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2009 } 2010 #endif 2011 2012 #ifndef OPENSSL_NO_SRP 2013 if (srp_verifier_file != NULL) { 2014 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2015 srp_callback_parm.user = NULL; 2016 srp_callback_parm.login = NULL; 2017 if ((ret = 2018 SRP_VBASE_init(srp_callback_parm.vb, 2019 srp_verifier_file)) != SRP_NO_ERROR) { 2020 BIO_printf(bio_err, 2021 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2022 srp_verifier_file, ret); 2023 goto end; 2024 } 2025 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2026 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2027 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2028 } else 2029 #endif 2030 if (CAfile != NULL) { 2031 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2032 #ifndef OPENSSL_NO_TLSEXT 2033 if (ctx2) 2034 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2035 #endif 2036 } 2037 2038 BIO_printf(bio_s_out, "ACCEPT\n"); 2039 (void)BIO_flush(bio_s_out); 2040 if (rev) 2041 do_server(port, socket_type, &accept_socket, rev_body, context, 2042 naccept); 2043 else if (www) 2044 do_server(port, socket_type, &accept_socket, www_body, context, 2045 naccept); 2046 else 2047 do_server(port, socket_type, &accept_socket, sv_body, context, 2048 naccept); 2049 print_stats(bio_s_out, ctx); 2050 ret = 0; 2051 end: 2052 if (ctx != NULL) 2053 SSL_CTX_free(ctx); 2054 if (s_cert) 2055 X509_free(s_cert); 2056 if (crls) 2057 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2058 if (s_dcert) 2059 X509_free(s_dcert); 2060 if (s_key) 2061 EVP_PKEY_free(s_key); 2062 if (s_dkey) 2063 EVP_PKEY_free(s_dkey); 2064 if (s_chain) 2065 sk_X509_pop_free(s_chain, X509_free); 2066 if (s_dchain) 2067 sk_X509_pop_free(s_dchain, X509_free); 2068 if (pass) 2069 OPENSSL_free(pass); 2070 if (dpass) 2071 OPENSSL_free(dpass); 2072 if (vpm) 2073 X509_VERIFY_PARAM_free(vpm); 2074 free_sessions(); 2075 #ifndef OPENSSL_NO_TLSEXT 2076 if (tlscstatp.host) 2077 OPENSSL_free(tlscstatp.host); 2078 if (tlscstatp.port) 2079 OPENSSL_free(tlscstatp.port); 2080 if (tlscstatp.path) 2081 OPENSSL_free(tlscstatp.path); 2082 if (ctx2 != NULL) 2083 SSL_CTX_free(ctx2); 2084 if (s_cert2) 2085 X509_free(s_cert2); 2086 if (s_key2) 2087 EVP_PKEY_free(s_key2); 2088 if (serverinfo_in != NULL) 2089 BIO_free(serverinfo_in); 2090 # ifndef OPENSSL_NO_NEXTPROTONEG 2091 if (next_proto.data) 2092 OPENSSL_free(next_proto.data); 2093 # endif 2094 if (alpn_ctx.data) 2095 OPENSSL_free(alpn_ctx.data); 2096 #endif 2097 ssl_excert_free(exc); 2098 if (ssl_args) 2099 sk_OPENSSL_STRING_free(ssl_args); 2100 if (cctx) 2101 SSL_CONF_CTX_free(cctx); 2102 #ifndef OPENSSL_NO_JPAKE 2103 if (jpake_secret && psk_key) 2104 OPENSSL_free(psk_key); 2105 #endif 2106 if (bio_s_out != NULL) { 2107 BIO_free(bio_s_out); 2108 bio_s_out = NULL; 2109 } 2110 if (bio_s_msg != NULL) { 2111 BIO_free(bio_s_msg); 2112 bio_s_msg = NULL; 2113 } 2114 apps_shutdown(); 2115 OPENSSL_EXIT(ret); 2116 } 2117 2118 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2119 { 2120 BIO_printf(bio, "%4ld items in the session cache\n", 2121 SSL_CTX_sess_number(ssl_ctx)); 2122 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2123 SSL_CTX_sess_connect(ssl_ctx)); 2124 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2125 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2126 BIO_printf(bio, "%4ld client connects that finished\n", 2127 SSL_CTX_sess_connect_good(ssl_ctx)); 2128 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2129 SSL_CTX_sess_accept(ssl_ctx)); 2130 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2131 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2132 BIO_printf(bio, "%4ld server accepts that finished\n", 2133 SSL_CTX_sess_accept_good(ssl_ctx)); 2134 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2135 BIO_printf(bio, "%4ld session cache misses\n", 2136 SSL_CTX_sess_misses(ssl_ctx)); 2137 BIO_printf(bio, "%4ld session cache timeouts\n", 2138 SSL_CTX_sess_timeouts(ssl_ctx)); 2139 BIO_printf(bio, "%4ld callback cache hits\n", 2140 SSL_CTX_sess_cb_hits(ssl_ctx)); 2141 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2142 SSL_CTX_sess_cache_full(ssl_ctx), 2143 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2144 } 2145 2146 static int sv_body(char *hostname, int s, int stype, unsigned char *context) 2147 { 2148 char *buf = NULL; 2149 fd_set readfds; 2150 int ret = 1, width; 2151 int k, i; 2152 unsigned long l; 2153 SSL *con = NULL; 2154 BIO *sbio; 2155 #ifndef OPENSSL_NO_KRB5 2156 KSSL_CTX *kctx; 2157 #endif 2158 struct timeval timeout; 2159 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2160 struct timeval tv; 2161 #else 2162 struct timeval *timeoutp; 2163 #endif 2164 2165 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2166 BIO_printf(bio_err, "out of memory\n"); 2167 goto err; 2168 } 2169 #ifdef FIONBIO 2170 if (s_nbio) { 2171 unsigned long sl = 1; 2172 2173 if (!s_quiet) 2174 BIO_printf(bio_err, "turning on non blocking io\n"); 2175 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2176 ERR_print_errors(bio_err); 2177 } 2178 #endif 2179 2180 if (con == NULL) { 2181 con = SSL_new(ctx); 2182 #ifndef OPENSSL_NO_TLSEXT 2183 if (s_tlsextdebug) { 2184 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2185 SSL_set_tlsext_debug_arg(con, bio_s_out); 2186 } 2187 if (s_tlsextstatus) { 2188 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2189 tlscstatp.err = bio_err; 2190 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2191 } 2192 #endif 2193 #ifndef OPENSSL_NO_KRB5 2194 if ((kctx = kssl_ctx_new()) != NULL) { 2195 SSL_set0_kssl_ctx(con, kctx); 2196 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2197 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2198 } 2199 #endif /* OPENSSL_NO_KRB5 */ 2200 if (context) 2201 SSL_set_session_id_context(con, context, strlen((char *)context)); 2202 } 2203 SSL_clear(con); 2204 #if 0 2205 # ifdef TLSEXT_TYPE_opaque_prf_input 2206 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2207 # endif 2208 #endif 2209 2210 if (stype == SOCK_DGRAM) { 2211 2212 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2213 2214 if (enable_timeouts) { 2215 timeout.tv_sec = 0; 2216 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2217 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2218 2219 timeout.tv_sec = 0; 2220 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2221 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2222 } 2223 2224 if (socket_mtu) { 2225 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2226 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2227 DTLS_get_link_min_mtu(con)); 2228 ret = -1; 2229 BIO_free(sbio); 2230 goto err; 2231 } 2232 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2233 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2234 BIO_printf(bio_err, "Failed to set MTU\n"); 2235 ret = -1; 2236 BIO_free(sbio); 2237 goto err; 2238 } 2239 } else 2240 /* want to do MTU discovery */ 2241 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2242 2243 /* turn on cookie exchange */ 2244 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2245 } else 2246 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2247 2248 if (s_nbio_test) { 2249 BIO *test; 2250 2251 test = BIO_new(BIO_f_nbio_test()); 2252 sbio = BIO_push(test, sbio); 2253 } 2254 #ifndef OPENSSL_NO_JPAKE 2255 if (jpake_secret) 2256 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2257 #endif 2258 2259 SSL_set_bio(con, sbio, sbio); 2260 SSL_set_accept_state(con); 2261 /* SSL_set_fd(con,s); */ 2262 2263 if (s_debug) { 2264 SSL_set_debug(con, 1); 2265 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2266 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2267 } 2268 if (s_msg) { 2269 #ifndef OPENSSL_NO_SSL_TRACE 2270 if (s_msg == 2) 2271 SSL_set_msg_callback(con, SSL_trace); 2272 else 2273 #endif 2274 SSL_set_msg_callback(con, msg_cb); 2275 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2276 } 2277 #ifndef OPENSSL_NO_TLSEXT 2278 if (s_tlsextdebug) { 2279 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2280 SSL_set_tlsext_debug_arg(con, bio_s_out); 2281 } 2282 #endif 2283 2284 width = s + 1; 2285 for (;;) { 2286 int read_from_terminal; 2287 int read_from_sslcon; 2288 2289 read_from_terminal = 0; 2290 read_from_sslcon = SSL_pending(con); 2291 2292 if (!read_from_sslcon) { 2293 FD_ZERO(&readfds); 2294 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2295 openssl_fdset(fileno(stdin), &readfds); 2296 #endif 2297 openssl_fdset(s, &readfds); 2298 /* 2299 * Note: under VMS with SOCKETSHR the second parameter is 2300 * currently of type (int *) whereas under other systems it is 2301 * (void *) if you don't have a cast it will choke the compiler: 2302 * if you do have a cast then you can either go for (int *) or 2303 * (void *). 2304 */ 2305 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2306 /* 2307 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2308 * only on sockets. As a workaround we timeout the select every 2309 * second and check for any keypress. In a proper Windows 2310 * application we wouldn't do this because it is inefficient. 2311 */ 2312 tv.tv_sec = 1; 2313 tv.tv_usec = 0; 2314 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2315 if ((i < 0) || (!i && !_kbhit())) 2316 continue; 2317 if (_kbhit()) 2318 read_from_terminal = 1; 2319 #elif defined(OPENSSL_SYS_BEOS_R5) 2320 /* Under BeOS-R5 the situation is similar to DOS */ 2321 tv.tv_sec = 1; 2322 tv.tv_usec = 0; 2323 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2324 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2325 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2326 continue; 2327 if (read(fileno(stdin), buf, 0) >= 0) 2328 read_from_terminal = 1; 2329 (void)fcntl(fileno(stdin), F_SETFL, 0); 2330 #else 2331 if ((SSL_version(con) == DTLS1_VERSION) && 2332 DTLSv1_get_timeout(con, &timeout)) 2333 timeoutp = &timeout; 2334 else 2335 timeoutp = NULL; 2336 2337 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2338 2339 if ((SSL_version(con) == DTLS1_VERSION) 2340 && DTLSv1_handle_timeout(con) > 0) { 2341 BIO_printf(bio_err, "TIMEOUT occured\n"); 2342 } 2343 2344 if (i <= 0) 2345 continue; 2346 if (FD_ISSET(fileno(stdin), &readfds)) 2347 read_from_terminal = 1; 2348 #endif 2349 if (FD_ISSET(s, &readfds)) 2350 read_from_sslcon = 1; 2351 } 2352 if (read_from_terminal) { 2353 if (s_crlf) { 2354 int j, lf_num; 2355 2356 i = raw_read_stdin(buf, bufsize / 2); 2357 lf_num = 0; 2358 /* both loops are skipped when i <= 0 */ 2359 for (j = 0; j < i; j++) 2360 if (buf[j] == '\n') 2361 lf_num++; 2362 for (j = i - 1; j >= 0; j--) { 2363 buf[j + lf_num] = buf[j]; 2364 if (buf[j] == '\n') { 2365 lf_num--; 2366 i++; 2367 buf[j + lf_num] = '\r'; 2368 } 2369 } 2370 assert(lf_num == 0); 2371 } else 2372 i = raw_read_stdin(buf, bufsize); 2373 if (!s_quiet && !s_brief) { 2374 if ((i <= 0) || (buf[0] == 'Q')) { 2375 BIO_printf(bio_s_out, "DONE\n"); 2376 SHUTDOWN(s); 2377 close_accept_socket(); 2378 ret = -11; 2379 goto err; 2380 } 2381 if ((i <= 0) || (buf[0] == 'q')) { 2382 BIO_printf(bio_s_out, "DONE\n"); 2383 if (SSL_version(con) != DTLS1_VERSION) 2384 SHUTDOWN(s); 2385 /* 2386 * close_accept_socket(); ret= -11; 2387 */ 2388 goto err; 2389 } 2390 #ifndef OPENSSL_NO_HEARTBEATS 2391 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2392 BIO_printf(bio_err, "HEARTBEATING\n"); 2393 SSL_heartbeat(con); 2394 i = 0; 2395 continue; 2396 } 2397 #endif 2398 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2399 SSL_renegotiate(con); 2400 i = SSL_do_handshake(con); 2401 printf("SSL_do_handshake -> %d\n", i); 2402 i = 0; /* 13; */ 2403 continue; 2404 /* 2405 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2406 */ 2407 } 2408 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2409 SSL_set_verify(con, 2410 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2411 NULL); 2412 SSL_renegotiate(con); 2413 i = SSL_do_handshake(con); 2414 printf("SSL_do_handshake -> %d\n", i); 2415 i = 0; /* 13; */ 2416 continue; 2417 /* 2418 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2419 * cert\n"); 2420 */ 2421 } 2422 if (buf[0] == 'P') { 2423 static const char *str = "Lets print some clear text\n"; 2424 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2425 } 2426 if (buf[0] == 'S') { 2427 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2428 } 2429 } 2430 #ifdef CHARSET_EBCDIC 2431 ebcdic2ascii(buf, buf, i); 2432 #endif 2433 l = k = 0; 2434 for (;;) { 2435 /* should do a select for the write */ 2436 #ifdef RENEG 2437 { 2438 static count = 0; 2439 if (++count == 100) { 2440 count = 0; 2441 SSL_renegotiate(con); 2442 } 2443 } 2444 #endif 2445 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2446 #ifndef OPENSSL_NO_SRP 2447 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2448 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2449 srp_callback_parm.user = 2450 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2451 srp_callback_parm.login); 2452 if (srp_callback_parm.user) 2453 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2454 srp_callback_parm.user->info); 2455 else 2456 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2457 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2458 } 2459 #endif 2460 switch (SSL_get_error(con, k)) { 2461 case SSL_ERROR_NONE: 2462 break; 2463 case SSL_ERROR_WANT_WRITE: 2464 case SSL_ERROR_WANT_READ: 2465 case SSL_ERROR_WANT_X509_LOOKUP: 2466 BIO_printf(bio_s_out, "Write BLOCK\n"); 2467 break; 2468 case SSL_ERROR_SYSCALL: 2469 case SSL_ERROR_SSL: 2470 BIO_printf(bio_s_out, "ERROR\n"); 2471 ERR_print_errors(bio_err); 2472 ret = 1; 2473 goto err; 2474 /* break; */ 2475 case SSL_ERROR_ZERO_RETURN: 2476 BIO_printf(bio_s_out, "DONE\n"); 2477 ret = 1; 2478 goto err; 2479 } 2480 if (k > 0) { 2481 l += k; 2482 i -= k; 2483 } 2484 if (i <= 0) 2485 break; 2486 } 2487 } 2488 if (read_from_sslcon) { 2489 if (!SSL_is_init_finished(con)) { 2490 i = init_ssl_connection(con); 2491 2492 if (i < 0) { 2493 ret = 0; 2494 goto err; 2495 } else if (i == 0) { 2496 ret = 1; 2497 goto err; 2498 } 2499 } else { 2500 again: 2501 i = SSL_read(con, (char *)buf, bufsize); 2502 #ifndef OPENSSL_NO_SRP 2503 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2504 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2505 srp_callback_parm.user = 2506 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2507 srp_callback_parm.login); 2508 if (srp_callback_parm.user) 2509 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2510 srp_callback_parm.user->info); 2511 else 2512 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2513 i = SSL_read(con, (char *)buf, bufsize); 2514 } 2515 #endif 2516 switch (SSL_get_error(con, i)) { 2517 case SSL_ERROR_NONE: 2518 #ifdef CHARSET_EBCDIC 2519 ascii2ebcdic(buf, buf, i); 2520 #endif 2521 raw_write_stdout(buf, (unsigned int)i); 2522 if (SSL_pending(con)) 2523 goto again; 2524 break; 2525 case SSL_ERROR_WANT_WRITE: 2526 case SSL_ERROR_WANT_READ: 2527 BIO_printf(bio_s_out, "Read BLOCK\n"); 2528 break; 2529 case SSL_ERROR_SYSCALL: 2530 case SSL_ERROR_SSL: 2531 BIO_printf(bio_s_out, "ERROR\n"); 2532 ERR_print_errors(bio_err); 2533 ret = 1; 2534 goto err; 2535 case SSL_ERROR_ZERO_RETURN: 2536 BIO_printf(bio_s_out, "DONE\n"); 2537 ret = 1; 2538 goto err; 2539 } 2540 } 2541 } 2542 } 2543 err: 2544 if (con != NULL) { 2545 BIO_printf(bio_s_out, "shutting down SSL\n"); 2546 #if 1 2547 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2548 #else 2549 SSL_shutdown(con); 2550 #endif 2551 SSL_free(con); 2552 } 2553 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2554 if (buf != NULL) { 2555 OPENSSL_cleanse(buf, bufsize); 2556 OPENSSL_free(buf); 2557 } 2558 if (ret >= 0) 2559 BIO_printf(bio_s_out, "ACCEPT\n"); 2560 return (ret); 2561 } 2562 2563 static void close_accept_socket(void) 2564 { 2565 BIO_printf(bio_err, "shutdown accept socket\n"); 2566 if (accept_socket >= 0) { 2567 SHUTDOWN2(accept_socket); 2568 } 2569 } 2570 2571 static int init_ssl_connection(SSL *con) 2572 { 2573 int i; 2574 const char *str; 2575 X509 *peer; 2576 long verify_error; 2577 MS_STATIC char buf[BUFSIZ]; 2578 #ifndef OPENSSL_NO_KRB5 2579 char *client_princ; 2580 #endif 2581 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2582 const unsigned char *next_proto_neg; 2583 unsigned next_proto_neg_len; 2584 #endif 2585 unsigned char *exportedkeymat; 2586 2587 i = SSL_accept(con); 2588 #ifdef CERT_CB_TEST_RETRY 2589 { 2590 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2591 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2592 fprintf(stderr, 2593 "LOOKUP from certificate callback during accept\n"); 2594 i = SSL_accept(con); 2595 } 2596 } 2597 #endif 2598 #ifndef OPENSSL_NO_SRP 2599 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2600 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2601 srp_callback_parm.login); 2602 srp_callback_parm.user = 2603 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2604 srp_callback_parm.login); 2605 if (srp_callback_parm.user) 2606 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2607 srp_callback_parm.user->info); 2608 else 2609 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2610 i = SSL_accept(con); 2611 } 2612 #endif 2613 2614 if (i <= 0) { 2615 if (BIO_sock_should_retry(i)) { 2616 BIO_printf(bio_s_out, "DELAY\n"); 2617 return (1); 2618 } 2619 2620 BIO_printf(bio_err, "ERROR\n"); 2621 verify_error = SSL_get_verify_result(con); 2622 if (verify_error != X509_V_OK) { 2623 BIO_printf(bio_err, "verify error:%s\n", 2624 X509_verify_cert_error_string(verify_error)); 2625 } 2626 /* Always print any error messages */ 2627 ERR_print_errors(bio_err); 2628 return (0); 2629 } 2630 2631 if (s_brief) 2632 print_ssl_summary(bio_err, con); 2633 2634 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2635 2636 peer = SSL_get_peer_certificate(con); 2637 if (peer != NULL) { 2638 BIO_printf(bio_s_out, "Client certificate\n"); 2639 PEM_write_bio_X509(bio_s_out, peer); 2640 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2641 BIO_printf(bio_s_out, "subject=%s\n", buf); 2642 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2643 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2644 X509_free(peer); 2645 } 2646 2647 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2648 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2649 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2650 ssl_print_sigalgs(bio_s_out, con); 2651 #ifndef OPENSSL_NO_EC 2652 ssl_print_point_formats(bio_s_out, con); 2653 ssl_print_curves(bio_s_out, con, 0); 2654 #endif 2655 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2656 2657 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2658 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2659 if (next_proto_neg) { 2660 BIO_printf(bio_s_out, "NEXTPROTO is "); 2661 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2662 BIO_printf(bio_s_out, "\n"); 2663 } 2664 #endif 2665 #ifndef OPENSSL_NO_SRTP 2666 { 2667 SRTP_PROTECTION_PROFILE *srtp_profile 2668 = SSL_get_selected_srtp_profile(con); 2669 2670 if (srtp_profile) 2671 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2672 srtp_profile->name); 2673 } 2674 #endif 2675 if (SSL_cache_hit(con)) 2676 BIO_printf(bio_s_out, "Reused session-id\n"); 2677 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2678 TLS1_FLAGS_TLS_PADDING_BUG) 2679 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2680 #ifndef OPENSSL_NO_KRB5 2681 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2682 if (client_princ != NULL) { 2683 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2684 client_princ); 2685 } 2686 #endif /* OPENSSL_NO_KRB5 */ 2687 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2688 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2689 if (keymatexportlabel != NULL) { 2690 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2691 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2692 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2693 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2694 if (exportedkeymat != NULL) { 2695 if (!SSL_export_keying_material(con, exportedkeymat, 2696 keymatexportlen, 2697 keymatexportlabel, 2698 strlen(keymatexportlabel), 2699 NULL, 0, 0)) { 2700 BIO_printf(bio_s_out, " Error\n"); 2701 } else { 2702 BIO_printf(bio_s_out, " Keying material: "); 2703 for (i = 0; i < keymatexportlen; i++) 2704 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2705 BIO_printf(bio_s_out, "\n"); 2706 } 2707 OPENSSL_free(exportedkeymat); 2708 } 2709 } 2710 2711 return (1); 2712 } 2713 2714 #ifndef OPENSSL_NO_DH 2715 static DH *load_dh_param(const char *dhfile) 2716 { 2717 DH *ret = NULL; 2718 BIO *bio; 2719 2720 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2721 goto err; 2722 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2723 err: 2724 if (bio != NULL) 2725 BIO_free(bio); 2726 return (ret); 2727 } 2728 #endif 2729 #ifndef OPENSSL_NO_KRB5 2730 char *client_princ; 2731 #endif 2732 2733 #if 0 2734 static int load_CA(SSL_CTX *ctx, char *file) 2735 { 2736 FILE *in; 2737 X509 *x = NULL; 2738 2739 if ((in = fopen(file, "r")) == NULL) 2740 return (0); 2741 2742 for (;;) { 2743 if (PEM_read_X509(in, &x, NULL) == NULL) 2744 break; 2745 SSL_CTX_add_client_CA(ctx, x); 2746 } 2747 if (x != NULL) 2748 X509_free(x); 2749 fclose(in); 2750 return (1); 2751 } 2752 #endif 2753 2754 static int www_body(char *hostname, int s, int stype, unsigned char *context) 2755 { 2756 char *buf = NULL; 2757 int ret = 1; 2758 int i, j, k, dot; 2759 SSL *con; 2760 const SSL_CIPHER *c; 2761 BIO *io, *ssl_bio, *sbio; 2762 #ifndef OPENSSL_NO_KRB5 2763 KSSL_CTX *kctx; 2764 #endif 2765 2766 buf = OPENSSL_malloc(bufsize); 2767 if (buf == NULL) 2768 return (0); 2769 io = BIO_new(BIO_f_buffer()); 2770 ssl_bio = BIO_new(BIO_f_ssl()); 2771 if ((io == NULL) || (ssl_bio == NULL)) 2772 goto err; 2773 2774 #ifdef FIONBIO 2775 if (s_nbio) { 2776 unsigned long sl = 1; 2777 2778 if (!s_quiet) 2779 BIO_printf(bio_err, "turning on non blocking io\n"); 2780 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2781 ERR_print_errors(bio_err); 2782 } 2783 #endif 2784 2785 /* lets make the output buffer a reasonable size */ 2786 if (!BIO_set_write_buffer_size(io, bufsize)) 2787 goto err; 2788 2789 if ((con = SSL_new(ctx)) == NULL) 2790 goto err; 2791 #ifndef OPENSSL_NO_TLSEXT 2792 if (s_tlsextdebug) { 2793 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2794 SSL_set_tlsext_debug_arg(con, bio_s_out); 2795 } 2796 #endif 2797 #ifndef OPENSSL_NO_KRB5 2798 if ((kctx = kssl_ctx_new()) != NULL) { 2799 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2800 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2801 } 2802 #endif /* OPENSSL_NO_KRB5 */ 2803 if (context) 2804 SSL_set_session_id_context(con, context, strlen((char *)context)); 2805 2806 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2807 if (s_nbio_test) { 2808 BIO *test; 2809 2810 test = BIO_new(BIO_f_nbio_test()); 2811 sbio = BIO_push(test, sbio); 2812 } 2813 SSL_set_bio(con, sbio, sbio); 2814 SSL_set_accept_state(con); 2815 2816 /* SSL_set_fd(con,s); */ 2817 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2818 BIO_push(io, ssl_bio); 2819 #ifdef CHARSET_EBCDIC 2820 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2821 #endif 2822 2823 if (s_debug) { 2824 SSL_set_debug(con, 1); 2825 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2826 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2827 } 2828 if (s_msg) { 2829 #ifndef OPENSSL_NO_SSL_TRACE 2830 if (s_msg == 2) 2831 SSL_set_msg_callback(con, SSL_trace); 2832 else 2833 #endif 2834 SSL_set_msg_callback(con, msg_cb); 2835 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2836 } 2837 2838 for (;;) { 2839 if (hack) { 2840 i = SSL_accept(con); 2841 #ifndef OPENSSL_NO_SRP 2842 while (i <= 0 2843 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2844 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2845 srp_callback_parm.login); 2846 srp_callback_parm.user = 2847 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2848 srp_callback_parm.login); 2849 if (srp_callback_parm.user) 2850 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2851 srp_callback_parm.user->info); 2852 else 2853 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2854 i = SSL_accept(con); 2855 } 2856 #endif 2857 switch (SSL_get_error(con, i)) { 2858 case SSL_ERROR_NONE: 2859 break; 2860 case SSL_ERROR_WANT_WRITE: 2861 case SSL_ERROR_WANT_READ: 2862 case SSL_ERROR_WANT_X509_LOOKUP: 2863 continue; 2864 case SSL_ERROR_SYSCALL: 2865 case SSL_ERROR_SSL: 2866 case SSL_ERROR_ZERO_RETURN: 2867 ret = 1; 2868 goto err; 2869 /* break; */ 2870 } 2871 2872 SSL_renegotiate(con); 2873 SSL_write(con, NULL, 0); 2874 } 2875 2876 i = BIO_gets(io, buf, bufsize - 1); 2877 if (i < 0) { /* error */ 2878 if (!BIO_should_retry(io)) { 2879 if (!s_quiet) 2880 ERR_print_errors(bio_err); 2881 goto err; 2882 } else { 2883 BIO_printf(bio_s_out, "read R BLOCK\n"); 2884 #if defined(OPENSSL_SYS_NETWARE) 2885 delay(1000); 2886 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2887 sleep(1); 2888 #endif 2889 continue; 2890 } 2891 } else if (i == 0) { /* end of input */ 2892 ret = 1; 2893 goto end; 2894 } 2895 2896 /* else we have data */ 2897 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2898 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2899 char *p; 2900 X509 *peer; 2901 STACK_OF(SSL_CIPHER) *sk; 2902 static const char *space = " "; 2903 2904 BIO_puts(io, 2905 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2906 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2907 BIO_puts(io, "<pre>\n"); 2908 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2909 BIO_puts(io, "\n"); 2910 for (i = 0; i < local_argc; i++) { 2911 BIO_puts(io, local_argv[i]); 2912 BIO_write(io, " ", 1); 2913 } 2914 BIO_puts(io, "\n"); 2915 2916 BIO_printf(io, 2917 "Secure Renegotiation IS%s supported\n", 2918 SSL_get_secure_renegotiation_support(con) ? 2919 "" : " NOT"); 2920 2921 /* 2922 * The following is evil and should not really be done 2923 */ 2924 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2925 sk = SSL_get_ciphers(con); 2926 j = sk_SSL_CIPHER_num(sk); 2927 for (i = 0; i < j; i++) { 2928 c = sk_SSL_CIPHER_value(sk, i); 2929 BIO_printf(io, "%-11s:%-25s", 2930 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2931 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2932 BIO_puts(io, "\n"); 2933 } 2934 BIO_puts(io, "\n"); 2935 p = SSL_get_shared_ciphers(con, buf, bufsize); 2936 if (p != NULL) { 2937 BIO_printf(io, 2938 "---\nCiphers common between both SSL end points:\n"); 2939 j = i = 0; 2940 while (*p) { 2941 if (*p == ':') { 2942 BIO_write(io, space, 26 - j); 2943 i++; 2944 j = 0; 2945 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2946 } else { 2947 BIO_write(io, p, 1); 2948 j++; 2949 } 2950 p++; 2951 } 2952 BIO_puts(io, "\n"); 2953 } 2954 ssl_print_sigalgs(io, con); 2955 #ifndef OPENSSL_NO_EC 2956 ssl_print_curves(io, con, 0); 2957 #endif 2958 BIO_printf(io, (SSL_cache_hit(con) 2959 ? "---\nReused, " : "---\nNew, ")); 2960 c = SSL_get_current_cipher(con); 2961 BIO_printf(io, "%s, Cipher is %s\n", 2962 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2963 SSL_SESSION_print(io, SSL_get_session(con)); 2964 BIO_printf(io, "---\n"); 2965 print_stats(io, SSL_get_SSL_CTX(con)); 2966 BIO_printf(io, "---\n"); 2967 peer = SSL_get_peer_certificate(con); 2968 if (peer != NULL) { 2969 BIO_printf(io, "Client certificate\n"); 2970 X509_print(io, peer); 2971 PEM_write_bio_X509(io, peer); 2972 } else 2973 BIO_puts(io, "no client certificate available\n"); 2974 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 2975 break; 2976 } else if ((www == 2 || www == 3) 2977 && (strncmp("GET /", buf, 5) == 0)) { 2978 BIO *file; 2979 char *p, *e; 2980 static const char *text = 2981 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2982 2983 /* skip the '/' */ 2984 p = &(buf[5]); 2985 2986 dot = 1; 2987 for (e = p; *e != '\0'; e++) { 2988 if (e[0] == ' ') 2989 break; 2990 2991 switch (dot) { 2992 case 1: 2993 dot = (e[0] == '.') ? 2 : 0; 2994 break; 2995 case 2: 2996 dot = (e[0] == '.') ? 3 : 0; 2997 break; 2998 case 3: 2999 dot = (e[0] == '/') ? -1 : 0; 3000 break; 3001 } 3002 if (dot == 0) 3003 dot = (e[0] == '/') ? 1 : 0; 3004 } 3005 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3006 * component */ 3007 3008 if (*e == '\0') { 3009 BIO_puts(io, text); 3010 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3011 break; 3012 } 3013 *e = '\0'; 3014 3015 if (dot) { 3016 BIO_puts(io, text); 3017 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3018 break; 3019 } 3020 3021 if (*p == '/') { 3022 BIO_puts(io, text); 3023 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3024 break; 3025 } 3026 #if 0 3027 /* append if a directory lookup */ 3028 if (e[-1] == '/') 3029 strcat(p, "index.html"); 3030 #endif 3031 3032 /* if a directory, do the index thang */ 3033 if (app_isdir(p) > 0) { 3034 #if 0 /* must check buffer size */ 3035 strcat(p, "/index.html"); 3036 #else 3037 BIO_puts(io, text); 3038 BIO_printf(io, "'%s' is a directory\r\n", p); 3039 break; 3040 #endif 3041 } 3042 3043 if ((file = BIO_new_file(p, "r")) == NULL) { 3044 BIO_puts(io, text); 3045 BIO_printf(io, "Error opening '%s'\r\n", p); 3046 ERR_print_errors(io); 3047 break; 3048 } 3049 3050 if (!s_quiet) 3051 BIO_printf(bio_err, "FILE:%s\n", p); 3052 3053 if (www == 2) { 3054 i = strlen(p); 3055 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3056 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3057 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3058 BIO_puts(io, 3059 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3060 else 3061 BIO_puts(io, 3062 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3063 } 3064 /* send the file */ 3065 for (;;) { 3066 i = BIO_read(file, buf, bufsize); 3067 if (i <= 0) 3068 break; 3069 3070 #ifdef RENEG 3071 total_bytes += i; 3072 fprintf(stderr, "%d\n", i); 3073 if (total_bytes > 3 * 1024) { 3074 total_bytes = 0; 3075 fprintf(stderr, "RENEGOTIATE\n"); 3076 SSL_renegotiate(con); 3077 } 3078 #endif 3079 3080 for (j = 0; j < i;) { 3081 #ifdef RENEG 3082 { 3083 static count = 0; 3084 if (++count == 13) { 3085 SSL_renegotiate(con); 3086 } 3087 } 3088 #endif 3089 k = BIO_write(io, &(buf[j]), i - j); 3090 if (k <= 0) { 3091 if (!BIO_should_retry(io)) 3092 goto write_error; 3093 else { 3094 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3095 } 3096 } else { 3097 j += k; 3098 } 3099 } 3100 } 3101 write_error: 3102 BIO_free(file); 3103 break; 3104 } 3105 } 3106 3107 for (;;) { 3108 i = (int)BIO_flush(io); 3109 if (i <= 0) { 3110 if (!BIO_should_retry(io)) 3111 break; 3112 } else 3113 break; 3114 } 3115 end: 3116 #if 1 3117 /* make sure we re-use sessions */ 3118 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3119 #else 3120 /* This kills performance */ 3121 /* 3122 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3123 * procession 3124 */ 3125 #endif 3126 3127 err: 3128 3129 if (ret >= 0) 3130 BIO_printf(bio_s_out, "ACCEPT\n"); 3131 3132 if (buf != NULL) 3133 OPENSSL_free(buf); 3134 if (io != NULL) 3135 BIO_free_all(io); 3136 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3137 return (ret); 3138 } 3139 3140 static int rev_body(char *hostname, int s, int stype, unsigned char *context) 3141 { 3142 char *buf = NULL; 3143 int i; 3144 int ret = 1; 3145 SSL *con; 3146 BIO *io, *ssl_bio, *sbio; 3147 #ifndef OPENSSL_NO_KRB5 3148 KSSL_CTX *kctx; 3149 #endif 3150 3151 buf = OPENSSL_malloc(bufsize); 3152 if (buf == NULL) 3153 return (0); 3154 io = BIO_new(BIO_f_buffer()); 3155 ssl_bio = BIO_new(BIO_f_ssl()); 3156 if ((io == NULL) || (ssl_bio == NULL)) 3157 goto err; 3158 3159 /* lets make the output buffer a reasonable size */ 3160 if (!BIO_set_write_buffer_size(io, bufsize)) 3161 goto err; 3162 3163 if ((con = SSL_new(ctx)) == NULL) 3164 goto err; 3165 #ifndef OPENSSL_NO_TLSEXT 3166 if (s_tlsextdebug) { 3167 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3168 SSL_set_tlsext_debug_arg(con, bio_s_out); 3169 } 3170 #endif 3171 #ifndef OPENSSL_NO_KRB5 3172 if ((kctx = kssl_ctx_new()) != NULL) { 3173 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3174 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3175 } 3176 #endif /* OPENSSL_NO_KRB5 */ 3177 if (context) 3178 SSL_set_session_id_context(con, context, strlen((char *)context)); 3179 3180 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3181 SSL_set_bio(con, sbio, sbio); 3182 SSL_set_accept_state(con); 3183 3184 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3185 BIO_push(io, ssl_bio); 3186 #ifdef CHARSET_EBCDIC 3187 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3188 #endif 3189 3190 if (s_debug) { 3191 SSL_set_debug(con, 1); 3192 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3193 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3194 } 3195 if (s_msg) { 3196 #ifndef OPENSSL_NO_SSL_TRACE 3197 if (s_msg == 2) 3198 SSL_set_msg_callback(con, SSL_trace); 3199 else 3200 #endif 3201 SSL_set_msg_callback(con, msg_cb); 3202 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3203 } 3204 3205 for (;;) { 3206 i = BIO_do_handshake(io); 3207 if (i > 0) 3208 break; 3209 if (!BIO_should_retry(io)) { 3210 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3211 ERR_print_errors(bio_err); 3212 goto end; 3213 } 3214 } 3215 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3216 print_ssl_summary(bio_err, con); 3217 3218 for (;;) { 3219 i = BIO_gets(io, buf, bufsize - 1); 3220 if (i < 0) { /* error */ 3221 if (!BIO_should_retry(io)) { 3222 if (!s_quiet) 3223 ERR_print_errors(bio_err); 3224 goto err; 3225 } else { 3226 BIO_printf(bio_s_out, "read R BLOCK\n"); 3227 #if defined(OPENSSL_SYS_NETWARE) 3228 delay(1000); 3229 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3230 sleep(1); 3231 #endif 3232 continue; 3233 } 3234 } else if (i == 0) { /* end of input */ 3235 ret = 1; 3236 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3237 goto end; 3238 } else { 3239 char *p = buf + i - 1; 3240 while (i && (*p == '\n' || *p == '\r')) { 3241 p--; 3242 i--; 3243 } 3244 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3245 ret = 1; 3246 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3247 goto end; 3248 } 3249 BUF_reverse((unsigned char *)buf, NULL, i); 3250 buf[i] = '\n'; 3251 BIO_write(io, buf, i + 1); 3252 for (;;) { 3253 i = BIO_flush(io); 3254 if (i > 0) 3255 break; 3256 if (!BIO_should_retry(io)) 3257 goto end; 3258 } 3259 } 3260 } 3261 end: 3262 /* make sure we re-use sessions */ 3263 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3264 3265 err: 3266 3267 if (buf != NULL) 3268 OPENSSL_free(buf); 3269 if (io != NULL) 3270 BIO_free_all(io); 3271 return (ret); 3272 } 3273 3274 #ifndef OPENSSL_NO_RSA 3275 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3276 { 3277 BIGNUM *bn = NULL; 3278 static RSA *rsa_tmp = NULL; 3279 3280 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3281 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3282 if (!rsa_tmp && bn) { 3283 if (!s_quiet) { 3284 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3285 keylength); 3286 (void)BIO_flush(bio_err); 3287 } 3288 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3289 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3290 if (rsa_tmp) 3291 RSA_free(rsa_tmp); 3292 rsa_tmp = NULL; 3293 } 3294 if (!s_quiet) { 3295 BIO_printf(bio_err, "\n"); 3296 (void)BIO_flush(bio_err); 3297 } 3298 BN_free(bn); 3299 } 3300 return (rsa_tmp); 3301 } 3302 #endif 3303 3304 #define MAX_SESSION_ID_ATTEMPTS 10 3305 static int generate_session_id(const SSL *ssl, unsigned char *id, 3306 unsigned int *id_len) 3307 { 3308 unsigned int count = 0; 3309 do { 3310 if (RAND_pseudo_bytes(id, *id_len) < 0) 3311 return 0; 3312 /* 3313 * Prefix the session_id with the required prefix. NB: If our prefix 3314 * is too long, clip it - but there will be worse effects anyway, eg. 3315 * the server could only possibly create 1 session ID (ie. the 3316 * prefix!) so all future session negotiations will fail due to 3317 * conflicts. 3318 */ 3319 memcpy(id, session_id_prefix, 3320 (strlen(session_id_prefix) < *id_len) ? 3321 strlen(session_id_prefix) : *id_len); 3322 } 3323 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3324 (++count < MAX_SESSION_ID_ATTEMPTS)); 3325 if (count >= MAX_SESSION_ID_ATTEMPTS) 3326 return 0; 3327 return 1; 3328 } 3329 3330 /* 3331 * By default s_server uses an in-memory cache which caches SSL_SESSION 3332 * structures without any serialisation. This hides some bugs which only 3333 * become apparent in deployed servers. By implementing a basic external 3334 * session cache some issues can be debugged using s_server. 3335 */ 3336 3337 typedef struct simple_ssl_session_st { 3338 unsigned char *id; 3339 unsigned int idlen; 3340 unsigned char *der; 3341 int derlen; 3342 struct simple_ssl_session_st *next; 3343 } simple_ssl_session; 3344 3345 static simple_ssl_session *first = NULL; 3346 3347 static int add_session(SSL *ssl, SSL_SESSION *session) 3348 { 3349 simple_ssl_session *sess; 3350 unsigned char *p; 3351 3352 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3353 if (!sess) { 3354 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3355 return 0; 3356 } 3357 3358 SSL_SESSION_get_id(session, &sess->idlen); 3359 sess->derlen = i2d_SSL_SESSION(session, NULL); 3360 3361 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3362 3363 sess->der = OPENSSL_malloc(sess->derlen); 3364 if (!sess->id || !sess->der) { 3365 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3366 3367 if (sess->id) 3368 OPENSSL_free(sess->id); 3369 if (sess->der) 3370 OPENSSL_free(sess->der); 3371 OPENSSL_free(sess); 3372 return 0; 3373 } 3374 p = sess->der; 3375 i2d_SSL_SESSION(session, &p); 3376 3377 sess->next = first; 3378 first = sess; 3379 BIO_printf(bio_err, "New session added to external cache\n"); 3380 return 0; 3381 } 3382 3383 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3384 int *do_copy) 3385 { 3386 simple_ssl_session *sess; 3387 *do_copy = 0; 3388 for (sess = first; sess; sess = sess->next) { 3389 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3390 const unsigned char *p = sess->der; 3391 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3392 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3393 } 3394 } 3395 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3396 return NULL; 3397 } 3398 3399 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3400 { 3401 simple_ssl_session *sess, *prev = NULL; 3402 const unsigned char *id; 3403 unsigned int idlen; 3404 id = SSL_SESSION_get_id(session, &idlen); 3405 for (sess = first; sess; sess = sess->next) { 3406 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3407 if (prev) 3408 prev->next = sess->next; 3409 else 3410 first = sess->next; 3411 OPENSSL_free(sess->id); 3412 OPENSSL_free(sess->der); 3413 OPENSSL_free(sess); 3414 return; 3415 } 3416 prev = sess; 3417 } 3418 } 3419 3420 static void init_session_cache_ctx(SSL_CTX *sctx) 3421 { 3422 SSL_CTX_set_session_cache_mode(sctx, 3423 SSL_SESS_CACHE_NO_INTERNAL | 3424 SSL_SESS_CACHE_SERVER); 3425 SSL_CTX_sess_set_new_cb(sctx, add_session); 3426 SSL_CTX_sess_set_get_cb(sctx, get_session); 3427 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3428 } 3429 3430 static void free_sessions(void) 3431 { 3432 simple_ssl_session *sess, *tsess; 3433 for (sess = first; sess;) { 3434 OPENSSL_free(sess->id); 3435 OPENSSL_free(sess->der); 3436 tsess = sess; 3437 sess = sess->next; 3438 OPENSSL_free(tsess); 3439 } 3440 first = NULL; 3441 } 3442