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 int ret = SSL3_AL_FATAL; 433 434 if (p->login == NULL && p->user == NULL) { 435 p->login = SSL_get_srp_username(s); 436 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 437 return (-1); 438 } 439 440 if (p->user == NULL) { 441 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 442 goto err; 443 } 444 445 if (SSL_set_srp_server_param 446 (s, p->user->N, p->user->g, p->user->s, p->user->v, 447 p->user->info) < 0) { 448 *ad = SSL_AD_INTERNAL_ERROR; 449 goto err; 450 } 451 BIO_printf(bio_err, 452 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 453 p->login, p->user->info); 454 ret = SSL_ERROR_NONE; 455 456 err: 457 SRP_user_pwd_free(p->user); 458 p->user = NULL; 459 p->login = NULL; 460 return ret; 461 } 462 463 #endif 464 465 #ifdef MONOLITH 466 static void s_server_init(void) 467 { 468 accept_socket = -1; 469 s_server_verify = SSL_VERIFY_NONE; 470 s_dcert_file = NULL; 471 s_dkey_file = NULL; 472 s_dchain_file = NULL; 473 s_cert_file = TEST_CERT; 474 s_key_file = NULL; 475 s_chain_file = NULL; 476 # ifndef OPENSSL_NO_TLSEXT 477 s_cert_file2 = TEST_CERT2; 478 s_key_file2 = NULL; 479 ctx2 = NULL; 480 # endif 481 # ifdef FIONBIO 482 s_nbio = 0; 483 # endif 484 s_nbio_test = 0; 485 ctx = NULL; 486 www = 0; 487 488 bio_s_out = NULL; 489 s_debug = 0; 490 s_msg = 0; 491 s_quiet = 0; 492 s_brief = 0; 493 hack = 0; 494 # ifndef OPENSSL_NO_ENGINE 495 engine_id = NULL; 496 # endif 497 } 498 #endif 499 500 static void sv_usage(void) 501 { 502 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 503 BIO_printf(bio_err, "\n"); 504 BIO_printf(bio_err, 505 " -accept arg - port to accept on (default is %d)\n", PORT); 506 BIO_printf(bio_err, 507 " -verify_hostname host - check peer certificate matches \"host\"\n"); 508 BIO_printf(bio_err, 509 " -verify_email email - check peer certificate matches \"email\"\n"); 510 BIO_printf(bio_err, 511 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 512 BIO_printf(bio_err, " -context arg - set session ID context\n"); 513 BIO_printf(bio_err, 514 " -verify arg - turn on peer certificate verification\n"); 515 BIO_printf(bio_err, 516 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 517 BIO_printf(bio_err, 518 " -verify_return_error - return verification errors\n"); 519 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 520 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 521 #ifndef OPENSSL_NO_TLSEXT 522 BIO_printf(bio_err, 523 " -serverinfo arg - PEM serverinfo file for certificate\n"); 524 BIO_printf(bio_err, 525 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); 526 BIO_printf(bio_err, 527 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); 528 #endif 529 BIO_printf(bio_err, 530 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); 531 BIO_printf(bio_err, 532 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 533 " The CRL(s) are appended to the certificate file\n"); 534 BIO_printf(bio_err, 535 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 536 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 537 " the certificate file.\n"); 538 BIO_printf(bio_err, 539 " -certform arg - certificate format (PEM or DER) PEM default\n"); 540 BIO_printf(bio_err, 541 " -key arg - Private Key file to use, in cert file if\n"); 542 BIO_printf(bio_err, " not specified (default is %s)\n", 543 TEST_CERT); 544 BIO_printf(bio_err, 545 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 546 BIO_printf(bio_err, 547 " -pass arg - private key file pass phrase source\n"); 548 BIO_printf(bio_err, 549 " -dcert arg - second certificate file to use (usually for DSA)\n"); 550 BIO_printf(bio_err, 551 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 552 BIO_printf(bio_err, 553 " -dkey arg - second private key file to use (usually for DSA)\n"); 554 BIO_printf(bio_err, 555 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 556 BIO_printf(bio_err, 557 " -dpass arg - second private key file pass phrase source\n"); 558 BIO_printf(bio_err, 559 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 560 BIO_printf(bio_err, 561 " or a default set of parameters is used\n"); 562 #ifndef OPENSSL_NO_ECDH 563 BIO_printf(bio_err, 564 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 565 " Use \"openssl ecparam -list_curves\" for all names\n" 566 " (default is nistp256).\n"); 567 #endif 568 #ifdef FIONBIO 569 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 570 #endif 571 BIO_printf(bio_err, 572 " -nbio_test - test with the non-blocking test bio\n"); 573 BIO_printf(bio_err, 574 " -crlf - convert LF from terminal into CRLF\n"); 575 BIO_printf(bio_err, " -debug - Print more output\n"); 576 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 577 BIO_printf(bio_err, " -state - Print the SSL states\n"); 578 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 579 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 580 BIO_printf(bio_err, 581 " -no_alt_chains - only ever use the first certificate chain found\n"); 582 BIO_printf(bio_err, 583 " -nocert - Don't use any certificates (Anon-DH)\n"); 584 BIO_printf(bio_err, 585 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 586 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 587 BIO_printf(bio_err, " -quiet - No server output\n"); 588 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 589 #ifndef OPENSSL_NO_PSK 590 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 591 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 592 # ifndef OPENSSL_NO_JPAKE 593 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 594 # endif 595 #endif 596 #ifndef OPENSSL_NO_SRP 597 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 598 BIO_printf(bio_err, 599 " -srpuserseed string - A seed string for a default user salt.\n"); 600 #endif 601 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 602 #ifndef OPENSSL_NO_SSL3_METHOD 603 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 604 #endif 605 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 606 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 607 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 608 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 609 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n"); 610 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 611 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 612 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 613 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 614 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 615 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 616 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 617 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 618 #ifndef OPENSSL_NO_DH 619 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 620 #endif 621 #ifndef OPENSSL_NO_ECDH 622 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 623 #endif 624 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 625 BIO_printf(bio_err, 626 " -hack - workaround for early Netscape code\n"); 627 BIO_printf(bio_err, 628 " -www - Respond to a 'GET /' with a status page\n"); 629 BIO_printf(bio_err, 630 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 631 BIO_printf(bio_err, 632 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 633 BIO_printf(bio_err, 634 " with the assumption it contains a complete HTTP response.\n"); 635 #ifndef OPENSSL_NO_ENGINE 636 BIO_printf(bio_err, 637 " -engine id - Initialise and use the specified engine\n"); 638 #endif 639 BIO_printf(bio_err, 640 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 641 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 642 LIST_SEPARATOR_CHAR); 643 #ifndef OPENSSL_NO_TLSEXT 644 BIO_printf(bio_err, 645 " -servername host - servername for HostName TLS extension\n"); 646 BIO_printf(bio_err, 647 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 648 BIO_printf(bio_err, 649 " -cert2 arg - certificate file to use for servername\n"); 650 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 651 BIO_printf(bio_err, 652 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 653 BIO_printf(bio_err, " not specified (default is %s)\n", 654 TEST_CERT2); 655 BIO_printf(bio_err, 656 " -tlsextdebug - hex dump of all TLS extensions received\n"); 657 BIO_printf(bio_err, 658 " -no_ticket - disable use of RFC4507bis session tickets\n"); 659 BIO_printf(bio_err, 660 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 661 BIO_printf(bio_err, 662 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); 663 BIO_printf(bio_err, 664 " -client_sigalgs arg - Signature algorithms to support for client \n"); 665 BIO_printf(bio_err, 666 " certificate authentication (colon-separated list)\n"); 667 # ifndef OPENSSL_NO_NEXTPROTONEG 668 BIO_printf(bio_err, 669 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 670 # endif 671 # ifndef OPENSSL_NO_SRTP 672 BIO_printf(bio_err, 673 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 674 # endif 675 BIO_printf(bio_err, 676 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); 677 #endif 678 BIO_printf(bio_err, 679 " -keymatexport label - Export keying material using label\n"); 680 BIO_printf(bio_err, 681 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 682 BIO_printf(bio_err, 683 " -status - respond to certificate status requests\n"); 684 BIO_printf(bio_err, 685 " -status_verbose - enable status request verbose printout\n"); 686 BIO_printf(bio_err, 687 " -status_timeout n - status request responder timeout\n"); 688 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 689 } 690 691 static int local_argc = 0; 692 static char **local_argv; 693 694 #ifdef CHARSET_EBCDIC 695 static int ebcdic_new(BIO *bi); 696 static int ebcdic_free(BIO *a); 697 static int ebcdic_read(BIO *b, char *out, int outl); 698 static int ebcdic_write(BIO *b, const char *in, int inl); 699 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 700 static int ebcdic_gets(BIO *bp, char *buf, int size); 701 static int ebcdic_puts(BIO *bp, const char *str); 702 703 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 704 static BIO_METHOD methods_ebcdic = { 705 BIO_TYPE_EBCDIC_FILTER, 706 "EBCDIC/ASCII filter", 707 ebcdic_write, 708 ebcdic_read, 709 ebcdic_puts, 710 ebcdic_gets, 711 ebcdic_ctrl, 712 ebcdic_new, 713 ebcdic_free, 714 }; 715 716 typedef struct { 717 size_t alloced; 718 char buff[1]; 719 } EBCDIC_OUTBUFF; 720 721 BIO_METHOD *BIO_f_ebcdic_filter() 722 { 723 return (&methods_ebcdic); 724 } 725 726 static int ebcdic_new(BIO *bi) 727 { 728 EBCDIC_OUTBUFF *wbuf; 729 730 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 731 if (!wbuf) 732 return 0; 733 wbuf->alloced = 1024; 734 wbuf->buff[0] = '\0'; 735 736 bi->ptr = (char *)wbuf; 737 bi->init = 1; 738 bi->flags = 0; 739 return (1); 740 } 741 742 static int ebcdic_free(BIO *a) 743 { 744 if (a == NULL) 745 return (0); 746 if (a->ptr != NULL) 747 OPENSSL_free(a->ptr); 748 a->ptr = NULL; 749 a->init = 0; 750 a->flags = 0; 751 return (1); 752 } 753 754 static int ebcdic_read(BIO *b, char *out, int outl) 755 { 756 int ret = 0; 757 758 if (out == NULL || outl == 0) 759 return (0); 760 if (b->next_bio == NULL) 761 return (0); 762 763 ret = BIO_read(b->next_bio, out, outl); 764 if (ret > 0) 765 ascii2ebcdic(out, out, ret); 766 return (ret); 767 } 768 769 static int ebcdic_write(BIO *b, const char *in, int inl) 770 { 771 EBCDIC_OUTBUFF *wbuf; 772 int ret = 0; 773 int num; 774 unsigned char n; 775 776 if ((in == NULL) || (inl <= 0)) 777 return (0); 778 if (b->next_bio == NULL) 779 return (0); 780 781 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 782 783 if (inl > (num = wbuf->alloced)) { 784 num = num + num; /* double the size */ 785 if (num < inl) 786 num = inl; 787 wbuf = 788 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 789 if (!wbuf) 790 return 0; 791 OPENSSL_free(b->ptr); 792 793 wbuf->alloced = num; 794 wbuf->buff[0] = '\0'; 795 796 b->ptr = (char *)wbuf; 797 } 798 799 ebcdic2ascii(wbuf->buff, in, inl); 800 801 ret = BIO_write(b->next_bio, wbuf->buff, inl); 802 803 return (ret); 804 } 805 806 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 807 { 808 long ret; 809 810 if (b->next_bio == NULL) 811 return (0); 812 switch (cmd) { 813 case BIO_CTRL_DUP: 814 ret = 0L; 815 break; 816 default: 817 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 818 break; 819 } 820 return (ret); 821 } 822 823 static int ebcdic_gets(BIO *bp, char *buf, int size) 824 { 825 int i, ret = 0; 826 if (bp->next_bio == NULL) 827 return (0); 828 /* return(BIO_gets(bp->next_bio,buf,size));*/ 829 for (i = 0; i < size - 1; ++i) { 830 ret = ebcdic_read(bp, &buf[i], 1); 831 if (ret <= 0) 832 break; 833 else if (buf[i] == '\n') { 834 ++i; 835 break; 836 } 837 } 838 if (i < size) 839 buf[i] = '\0'; 840 return (ret < 0 && i == 0) ? ret : i; 841 } 842 843 static int ebcdic_puts(BIO *bp, const char *str) 844 { 845 if (bp->next_bio == NULL) 846 return (0); 847 return ebcdic_write(bp, str, strlen(str)); 848 } 849 #endif 850 851 #ifndef OPENSSL_NO_TLSEXT 852 853 /* This is a context that we pass to callbacks */ 854 typedef struct tlsextctx_st { 855 char *servername; 856 BIO *biodebug; 857 int extension_error; 858 } tlsextctx; 859 860 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 861 { 862 tlsextctx *p = (tlsextctx *) arg; 863 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 864 if (servername && p->biodebug) 865 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 866 servername); 867 868 if (!p->servername) 869 return SSL_TLSEXT_ERR_NOACK; 870 871 if (servername) { 872 if (strcasecmp(servername, p->servername)) 873 return p->extension_error; 874 if (ctx2) { 875 BIO_printf(p->biodebug, "Switching server context.\n"); 876 SSL_set_SSL_CTX(s, ctx2); 877 } 878 } 879 return SSL_TLSEXT_ERR_OK; 880 } 881 882 /* Structure passed to cert status callback */ 883 884 typedef struct tlsextstatusctx_st { 885 /* Default responder to use */ 886 char *host, *path, *port; 887 int use_ssl; 888 int timeout; 889 BIO *err; 890 int verbose; 891 } tlsextstatusctx; 892 893 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 894 895 /* 896 * Certificate Status callback. This is called when a client includes a 897 * certificate status request extension. This is a simplified version. It 898 * examines certificates each time and makes one OCSP responder query for 899 * each request. A full version would store details such as the OCSP 900 * certificate IDs and minimise the number of OCSP responses by caching them 901 * until they were considered "expired". 902 */ 903 904 static int cert_status_cb(SSL *s, void *arg) 905 { 906 tlsextstatusctx *srctx = arg; 907 BIO *err = srctx->err; 908 char *host, *port, *path; 909 int use_ssl; 910 unsigned char *rspder = NULL; 911 int rspderlen; 912 STACK_OF(OPENSSL_STRING) *aia = NULL; 913 X509 *x = NULL; 914 X509_STORE_CTX inctx; 915 X509_OBJECT obj; 916 OCSP_REQUEST *req = NULL; 917 OCSP_RESPONSE *resp = NULL; 918 OCSP_CERTID *id = NULL; 919 STACK_OF(X509_EXTENSION) *exts; 920 int ret = SSL_TLSEXT_ERR_NOACK; 921 int i; 922 # if 0 923 STACK_OF(OCSP_RESPID) *ids; 924 SSL_get_tlsext_status_ids(s, &ids); 925 BIO_printf(err, "cert_status: received %d ids\n", 926 sk_OCSP_RESPID_num(ids)); 927 # endif 928 if (srctx->verbose) 929 BIO_puts(err, "cert_status: callback called\n"); 930 /* Build up OCSP query from server certificate */ 931 x = SSL_get_certificate(s); 932 aia = X509_get1_ocsp(x); 933 if (aia) { 934 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 935 &host, &port, &path, &use_ssl)) { 936 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 937 goto err; 938 } 939 if (srctx->verbose) 940 BIO_printf(err, "cert_status: AIA URL: %s\n", 941 sk_OPENSSL_STRING_value(aia, 0)); 942 } else { 943 if (!srctx->host) { 944 BIO_puts(srctx->err, 945 "cert_status: no AIA and no default responder URL\n"); 946 goto done; 947 } 948 host = srctx->host; 949 path = srctx->path; 950 port = srctx->port; 951 use_ssl = srctx->use_ssl; 952 } 953 954 if (!X509_STORE_CTX_init(&inctx, 955 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 956 NULL, NULL)) 957 goto err; 958 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 959 X509_get_issuer_name(x), &obj) <= 0) { 960 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 961 X509_STORE_CTX_cleanup(&inctx); 962 goto done; 963 } 964 req = OCSP_REQUEST_new(); 965 if (!req) 966 goto err; 967 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 968 X509_free(obj.data.x509); 969 X509_STORE_CTX_cleanup(&inctx); 970 if (!id) 971 goto err; 972 if (!OCSP_request_add0_id(req, id)) 973 goto err; 974 id = NULL; 975 /* Add any extensions to the request */ 976 SSL_get_tlsext_status_exts(s, &exts); 977 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 978 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 979 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 980 goto err; 981 } 982 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 983 srctx->timeout); 984 if (!resp) { 985 BIO_puts(err, "cert_status: error querying responder\n"); 986 goto done; 987 } 988 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 989 if (rspderlen <= 0) 990 goto err; 991 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 992 if (srctx->verbose) { 993 BIO_puts(err, "cert_status: ocsp response sent:\n"); 994 OCSP_RESPONSE_print(err, resp, 2); 995 } 996 ret = SSL_TLSEXT_ERR_OK; 997 done: 998 if (ret != SSL_TLSEXT_ERR_OK) 999 ERR_print_errors(err); 1000 if (aia) { 1001 OPENSSL_free(host); 1002 OPENSSL_free(path); 1003 OPENSSL_free(port); 1004 X509_email_free(aia); 1005 } 1006 if (id) 1007 OCSP_CERTID_free(id); 1008 if (req) 1009 OCSP_REQUEST_free(req); 1010 if (resp) 1011 OCSP_RESPONSE_free(resp); 1012 return ret; 1013 err: 1014 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 1015 goto done; 1016 } 1017 1018 # ifndef OPENSSL_NO_NEXTPROTONEG 1019 /* This is the context that we pass to next_proto_cb */ 1020 typedef struct tlsextnextprotoctx_st { 1021 unsigned char *data; 1022 unsigned int len; 1023 } tlsextnextprotoctx; 1024 1025 static int next_proto_cb(SSL *s, const unsigned char **data, 1026 unsigned int *len, void *arg) 1027 { 1028 tlsextnextprotoctx *next_proto = arg; 1029 1030 *data = next_proto->data; 1031 *len = next_proto->len; 1032 1033 return SSL_TLSEXT_ERR_OK; 1034 } 1035 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 1036 1037 /* This the context that we pass to alpn_cb */ 1038 typedef struct tlsextalpnctx_st { 1039 unsigned char *data; 1040 unsigned short len; 1041 } tlsextalpnctx; 1042 1043 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 1044 const unsigned char *in, unsigned int inlen, void *arg) 1045 { 1046 tlsextalpnctx *alpn_ctx = arg; 1047 1048 if (!s_quiet) { 1049 /* We can assume that |in| is syntactically valid. */ 1050 unsigned i; 1051 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 1052 for (i = 0; i < inlen;) { 1053 if (i) 1054 BIO_write(bio_s_out, ", ", 2); 1055 BIO_write(bio_s_out, &in[i + 1], in[i]); 1056 i += in[i] + 1; 1057 } 1058 BIO_write(bio_s_out, "\n", 1); 1059 } 1060 1061 if (SSL_select_next_proto 1062 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 1063 inlen) != OPENSSL_NPN_NEGOTIATED) { 1064 return SSL_TLSEXT_ERR_NOACK; 1065 } 1066 1067 if (!s_quiet) { 1068 BIO_printf(bio_s_out, "ALPN protocols selected: "); 1069 BIO_write(bio_s_out, *out, *outlen); 1070 BIO_write(bio_s_out, "\n", 1); 1071 } 1072 1073 return SSL_TLSEXT_ERR_OK; 1074 } 1075 #endif /* ndef OPENSSL_NO_TLSEXT */ 1076 1077 int MAIN(int, char **); 1078 1079 #ifndef OPENSSL_NO_JPAKE 1080 static char *jpake_secret = NULL; 1081 # define no_jpake !jpake_secret 1082 #else 1083 # define no_jpake 1 1084 #endif 1085 #ifndef OPENSSL_NO_SRP 1086 static srpsrvparm srp_callback_parm; 1087 #endif 1088 #ifndef OPENSSL_NO_SRTP 1089 static char *srtp_profiles = NULL; 1090 #endif 1091 1092 int MAIN(int argc, char *argv[]) 1093 { 1094 X509_VERIFY_PARAM *vpm = NULL; 1095 int badarg = 0; 1096 short port = PORT; 1097 char *CApath = NULL, *CAfile = NULL; 1098 char *chCApath = NULL, *chCAfile = NULL; 1099 char *vfyCApath = NULL, *vfyCAfile = NULL; 1100 unsigned char *context = NULL; 1101 char *dhfile = NULL; 1102 int badop = 0; 1103 int ret = 1; 1104 int build_chain = 0; 1105 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; 1106 int state = 0; 1107 const SSL_METHOD *meth = NULL; 1108 int socket_type = SOCK_STREAM; 1109 ENGINE *e = NULL; 1110 char *inrand = NULL; 1111 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1112 char *passarg = NULL, *pass = NULL; 1113 char *dpassarg = NULL, *dpass = NULL; 1114 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1115 X509 *s_cert = NULL, *s_dcert = NULL; 1116 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1117 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1118 int no_cache = 0, ext_cache = 0; 1119 int rev = 0, naccept = -1; 1120 #ifndef OPENSSL_NO_TLSEXT 1121 EVP_PKEY *s_key2 = NULL; 1122 X509 *s_cert2 = NULL; 1123 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1124 # ifndef OPENSSL_NO_NEXTPROTONEG 1125 const char *next_proto_neg_in = NULL; 1126 tlsextnextprotoctx next_proto = { NULL, 0 }; 1127 # endif 1128 const char *alpn_in = NULL; 1129 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1130 #endif 1131 #ifndef OPENSSL_NO_PSK 1132 /* by default do not send a PSK identity hint */ 1133 static char *psk_identity_hint = NULL; 1134 #endif 1135 #ifndef OPENSSL_NO_SRP 1136 char *srpuserseed = NULL; 1137 char *srp_verifier_file = NULL; 1138 #endif 1139 SSL_EXCERT *exc = NULL; 1140 SSL_CONF_CTX *cctx = NULL; 1141 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1142 1143 char *crl_file = NULL; 1144 int crl_format = FORMAT_PEM; 1145 int crl_download = 0; 1146 STACK_OF(X509_CRL) *crls = NULL; 1147 1148 meth = SSLv23_server_method(); 1149 1150 local_argc = argc; 1151 local_argv = argv; 1152 1153 apps_startup(); 1154 #ifdef MONOLITH 1155 s_server_init(); 1156 #endif 1157 1158 if (bio_err == NULL) 1159 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1160 1161 if (!load_config(bio_err, NULL)) 1162 goto end; 1163 1164 cctx = SSL_CONF_CTX_new(); 1165 if (!cctx) 1166 goto end; 1167 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); 1168 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 1169 1170 verify_depth = 0; 1171 #ifdef FIONBIO 1172 s_nbio = 0; 1173 #endif 1174 s_nbio_test = 0; 1175 1176 argc--; 1177 argv++; 1178 1179 while (argc >= 1) { 1180 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1181 if (--argc < 1) 1182 goto bad; 1183 if (!extract_port(*(++argv), &port)) 1184 goto bad; 1185 } else if (strcmp(*argv, "-naccept") == 0) { 1186 if (--argc < 1) 1187 goto bad; 1188 naccept = atol(*(++argv)); 1189 if (naccept <= 0) { 1190 BIO_printf(bio_err, "bad accept value %s\n", *argv); 1191 goto bad; 1192 } 1193 } else if (strcmp(*argv, "-verify") == 0) { 1194 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1195 if (--argc < 1) 1196 goto bad; 1197 verify_depth = atoi(*(++argv)); 1198 if (!s_quiet) 1199 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1200 } else if (strcmp(*argv, "-Verify") == 0) { 1201 s_server_verify = 1202 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1203 SSL_VERIFY_CLIENT_ONCE; 1204 if (--argc < 1) 1205 goto bad; 1206 verify_depth = atoi(*(++argv)); 1207 if (!s_quiet) 1208 BIO_printf(bio_err, 1209 "verify depth is %d, must return a certificate\n", 1210 verify_depth); 1211 } else if (strcmp(*argv, "-context") == 0) { 1212 if (--argc < 1) 1213 goto bad; 1214 context = (unsigned char *)*(++argv); 1215 } else if (strcmp(*argv, "-cert") == 0) { 1216 if (--argc < 1) 1217 goto bad; 1218 s_cert_file = *(++argv); 1219 } else if (strcmp(*argv, "-CRL") == 0) { 1220 if (--argc < 1) 1221 goto bad; 1222 crl_file = *(++argv); 1223 } else if (strcmp(*argv, "-crl_download") == 0) 1224 crl_download = 1; 1225 #ifndef OPENSSL_NO_TLSEXT 1226 else if (strcmp(*argv, "-serverinfo") == 0) { 1227 if (--argc < 1) 1228 goto bad; 1229 s_serverinfo_file = *(++argv); 1230 } 1231 #endif 1232 else if (strcmp(*argv, "-certform") == 0) { 1233 if (--argc < 1) 1234 goto bad; 1235 s_cert_format = str2fmt(*(++argv)); 1236 } else if (strcmp(*argv, "-key") == 0) { 1237 if (--argc < 1) 1238 goto bad; 1239 s_key_file = *(++argv); 1240 } else if (strcmp(*argv, "-keyform") == 0) { 1241 if (--argc < 1) 1242 goto bad; 1243 s_key_format = str2fmt(*(++argv)); 1244 } else if (strcmp(*argv, "-pass") == 0) { 1245 if (--argc < 1) 1246 goto bad; 1247 passarg = *(++argv); 1248 } else if (strcmp(*argv, "-cert_chain") == 0) { 1249 if (--argc < 1) 1250 goto bad; 1251 s_chain_file = *(++argv); 1252 } else if (strcmp(*argv, "-dhparam") == 0) { 1253 if (--argc < 1) 1254 goto bad; 1255 dhfile = *(++argv); 1256 } else if (strcmp(*argv, "-dcertform") == 0) { 1257 if (--argc < 1) 1258 goto bad; 1259 s_dcert_format = str2fmt(*(++argv)); 1260 } else if (strcmp(*argv, "-dcert") == 0) { 1261 if (--argc < 1) 1262 goto bad; 1263 s_dcert_file = *(++argv); 1264 } else if (strcmp(*argv, "-dkeyform") == 0) { 1265 if (--argc < 1) 1266 goto bad; 1267 s_dkey_format = str2fmt(*(++argv)); 1268 } else if (strcmp(*argv, "-dpass") == 0) { 1269 if (--argc < 1) 1270 goto bad; 1271 dpassarg = *(++argv); 1272 } else if (strcmp(*argv, "-dkey") == 0) { 1273 if (--argc < 1) 1274 goto bad; 1275 s_dkey_file = *(++argv); 1276 } else if (strcmp(*argv, "-dcert_chain") == 0) { 1277 if (--argc < 1) 1278 goto bad; 1279 s_dchain_file = *(++argv); 1280 } else if (strcmp(*argv, "-nocert") == 0) { 1281 nocert = 1; 1282 } else if (strcmp(*argv, "-CApath") == 0) { 1283 if (--argc < 1) 1284 goto bad; 1285 CApath = *(++argv); 1286 } else if (strcmp(*argv, "-chainCApath") == 0) { 1287 if (--argc < 1) 1288 goto bad; 1289 chCApath = *(++argv); 1290 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1291 if (--argc < 1) 1292 goto bad; 1293 vfyCApath = *(++argv); 1294 } else if (strcmp(*argv, "-no_cache") == 0) 1295 no_cache = 1; 1296 else if (strcmp(*argv, "-ext_cache") == 0) 1297 ext_cache = 1; 1298 else if (strcmp(*argv, "-CRLform") == 0) { 1299 if (--argc < 1) 1300 goto bad; 1301 crl_format = str2fmt(*(++argv)); 1302 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1303 if (badarg) 1304 goto bad; 1305 continue; 1306 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 1307 if (badarg) 1308 goto bad; 1309 continue; 1310 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) { 1311 if (badarg) 1312 goto bad; 1313 continue; 1314 } else if (strcmp(*argv, "-verify_return_error") == 0) 1315 verify_return_error = 1; 1316 else if (strcmp(*argv, "-verify_quiet") == 0) 1317 verify_quiet = 1; 1318 else if (strcmp(*argv, "-build_chain") == 0) 1319 build_chain = 1; 1320 else if (strcmp(*argv, "-CAfile") == 0) { 1321 if (--argc < 1) 1322 goto bad; 1323 CAfile = *(++argv); 1324 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1325 if (--argc < 1) 1326 goto bad; 1327 chCAfile = *(++argv); 1328 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1329 if (--argc < 1) 1330 goto bad; 1331 vfyCAfile = *(++argv); 1332 } 1333 #ifdef FIONBIO 1334 else if (strcmp(*argv, "-nbio") == 0) { 1335 s_nbio = 1; 1336 } 1337 #endif 1338 else if (strcmp(*argv, "-nbio_test") == 0) { 1339 #ifdef FIONBIO 1340 s_nbio = 1; 1341 #endif 1342 s_nbio_test = 1; 1343 } else if (strcmp(*argv, "-ign_eof") == 0) 1344 s_ign_eof = 1; 1345 else if (strcmp(*argv, "-no_ign_eof") == 0) 1346 s_ign_eof = 0; 1347 else if (strcmp(*argv, "-debug") == 0) { 1348 s_debug = 1; 1349 } 1350 #ifndef OPENSSL_NO_TLSEXT 1351 else if (strcmp(*argv, "-tlsextdebug") == 0) 1352 s_tlsextdebug = 1; 1353 else if (strcmp(*argv, "-status") == 0) 1354 s_tlsextstatus = 1; 1355 else if (strcmp(*argv, "-status_verbose") == 0) { 1356 s_tlsextstatus = 1; 1357 tlscstatp.verbose = 1; 1358 } else if (!strcmp(*argv, "-status_timeout")) { 1359 s_tlsextstatus = 1; 1360 if (--argc < 1) 1361 goto bad; 1362 tlscstatp.timeout = atoi(*(++argv)); 1363 } else if (!strcmp(*argv, "-status_url")) { 1364 s_tlsextstatus = 1; 1365 if (--argc < 1) 1366 goto bad; 1367 if (!OCSP_parse_url(*(++argv), 1368 &tlscstatp.host, 1369 &tlscstatp.port, 1370 &tlscstatp.path, &tlscstatp.use_ssl)) { 1371 BIO_printf(bio_err, "Error parsing URL\n"); 1372 goto bad; 1373 } 1374 } 1375 #endif 1376 else if (strcmp(*argv, "-msg") == 0) { 1377 s_msg = 1; 1378 } else if (strcmp(*argv, "-msgfile") == 0) { 1379 if (--argc < 1) 1380 goto bad; 1381 bio_s_msg = BIO_new_file(*(++argv), "w"); 1382 } 1383 #ifndef OPENSSL_NO_SSL_TRACE 1384 else if (strcmp(*argv, "-trace") == 0) { 1385 s_msg = 2; 1386 } 1387 #endif 1388 else if (strcmp(*argv, "-hack") == 0) { 1389 hack = 1; 1390 } else if (strcmp(*argv, "-state") == 0) { 1391 state = 1; 1392 } else if (strcmp(*argv, "-crlf") == 0) { 1393 s_crlf = 1; 1394 } else if (strcmp(*argv, "-quiet") == 0) { 1395 s_quiet = 1; 1396 } else if (strcmp(*argv, "-brief") == 0) { 1397 s_quiet = 1; 1398 s_brief = 1; 1399 verify_quiet = 1; 1400 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1401 no_tmp_rsa = 1; 1402 } else if (strcmp(*argv, "-no_dhe") == 0) { 1403 no_dhe = 1; 1404 } else if (strcmp(*argv, "-no_ecdhe") == 0) { 1405 no_ecdhe = 1; 1406 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1407 no_resume_ephemeral = 1; 1408 } 1409 #ifndef OPENSSL_NO_PSK 1410 else if (strcmp(*argv, "-psk_hint") == 0) { 1411 if (--argc < 1) 1412 goto bad; 1413 psk_identity_hint = *(++argv); 1414 } else if (strcmp(*argv, "-psk") == 0) { 1415 size_t i; 1416 1417 if (--argc < 1) 1418 goto bad; 1419 psk_key = *(++argv); 1420 for (i = 0; i < strlen(psk_key); i++) { 1421 if (isxdigit((unsigned char)psk_key[i])) 1422 continue; 1423 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1424 goto bad; 1425 } 1426 } 1427 #endif 1428 #ifndef OPENSSL_NO_SRP 1429 else if (strcmp(*argv, "-srpvfile") == 0) { 1430 if (--argc < 1) 1431 goto bad; 1432 srp_verifier_file = *(++argv); 1433 meth = TLSv1_server_method(); 1434 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1435 if (--argc < 1) 1436 goto bad; 1437 srpuserseed = *(++argv); 1438 meth = TLSv1_server_method(); 1439 } 1440 #endif 1441 else if (strcmp(*argv, "-rev") == 0) { 1442 rev = 1; 1443 } else if (strcmp(*argv, "-www") == 0) { 1444 www = 1; 1445 } else if (strcmp(*argv, "-WWW") == 0) { 1446 www = 2; 1447 } else if (strcmp(*argv, "-HTTP") == 0) { 1448 www = 3; 1449 } 1450 #ifndef OPENSSL_NO_SSL2 1451 else if (strcmp(*argv, "-ssl2") == 0) { 1452 no_ecdhe = 1; 1453 meth = SSLv2_server_method(); 1454 } 1455 #endif 1456 #ifndef OPENSSL_NO_SSL3_METHOD 1457 else if (strcmp(*argv, "-ssl3") == 0) { 1458 meth = SSLv3_server_method(); 1459 } 1460 #endif 1461 #ifndef OPENSSL_NO_TLS1 1462 else if (strcmp(*argv, "-tls1") == 0) { 1463 meth = TLSv1_server_method(); 1464 } else if (strcmp(*argv, "-tls1_1") == 0) { 1465 meth = TLSv1_1_server_method(); 1466 } else if (strcmp(*argv, "-tls1_2") == 0) { 1467 meth = TLSv1_2_server_method(); 1468 } 1469 #endif 1470 #ifndef OPENSSL_NO_DTLS1 1471 else if (strcmp(*argv, "-dtls") == 0) { 1472 meth = DTLS_server_method(); 1473 socket_type = SOCK_DGRAM; 1474 } else if (strcmp(*argv, "-dtls1") == 0) { 1475 meth = DTLSv1_server_method(); 1476 socket_type = SOCK_DGRAM; 1477 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1478 meth = DTLSv1_2_server_method(); 1479 socket_type = SOCK_DGRAM; 1480 } else if (strcmp(*argv, "-timeout") == 0) 1481 enable_timeouts = 1; 1482 else if (strcmp(*argv, "-mtu") == 0) { 1483 if (--argc < 1) 1484 goto bad; 1485 socket_mtu = atol(*(++argv)); 1486 } else if (strcmp(*argv, "-chain") == 0) 1487 cert_chain = 1; 1488 #endif 1489 else if (strcmp(*argv, "-id_prefix") == 0) { 1490 if (--argc < 1) 1491 goto bad; 1492 session_id_prefix = *(++argv); 1493 } 1494 #ifndef OPENSSL_NO_ENGINE 1495 else if (strcmp(*argv, "-engine") == 0) { 1496 if (--argc < 1) 1497 goto bad; 1498 engine_id = *(++argv); 1499 } 1500 #endif 1501 else if (strcmp(*argv, "-rand") == 0) { 1502 if (--argc < 1) 1503 goto bad; 1504 inrand = *(++argv); 1505 } 1506 #ifndef OPENSSL_NO_TLSEXT 1507 else if (strcmp(*argv, "-servername") == 0) { 1508 if (--argc < 1) 1509 goto bad; 1510 tlsextcbp.servername = *(++argv); 1511 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1512 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1513 } else if (strcmp(*argv, "-cert2") == 0) { 1514 if (--argc < 1) 1515 goto bad; 1516 s_cert_file2 = *(++argv); 1517 } else if (strcmp(*argv, "-key2") == 0) { 1518 if (--argc < 1) 1519 goto bad; 1520 s_key_file2 = *(++argv); 1521 } 1522 # ifndef OPENSSL_NO_NEXTPROTONEG 1523 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1524 if (--argc < 1) 1525 goto bad; 1526 next_proto_neg_in = *(++argv); 1527 } 1528 # endif 1529 else if (strcmp(*argv, "-alpn") == 0) { 1530 if (--argc < 1) 1531 goto bad; 1532 alpn_in = *(++argv); 1533 } 1534 #endif 1535 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1536 else if (strcmp(*argv, "-jpake") == 0) { 1537 if (--argc < 1) 1538 goto bad; 1539 jpake_secret = *(++argv); 1540 } 1541 #endif 1542 #ifndef OPENSSL_NO_SRTP 1543 else if (strcmp(*argv, "-use_srtp") == 0) { 1544 if (--argc < 1) 1545 goto bad; 1546 srtp_profiles = *(++argv); 1547 } 1548 #endif 1549 else if (strcmp(*argv, "-keymatexport") == 0) { 1550 if (--argc < 1) 1551 goto bad; 1552 keymatexportlabel = *(++argv); 1553 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1554 if (--argc < 1) 1555 goto bad; 1556 keymatexportlen = atoi(*(++argv)); 1557 if (keymatexportlen == 0) 1558 goto bad; 1559 } else { 1560 BIO_printf(bio_err, "unknown option %s\n", *argv); 1561 badop = 1; 1562 break; 1563 } 1564 argc--; 1565 argv++; 1566 } 1567 if (badop) { 1568 bad: 1569 sv_usage(); 1570 goto end; 1571 } 1572 #ifndef OPENSSL_NO_DTLS1 1573 if (www && socket_type == SOCK_DGRAM) { 1574 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1575 goto end; 1576 } 1577 #endif 1578 1579 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1580 if (jpake_secret) { 1581 if (psk_key) { 1582 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1583 goto end; 1584 } 1585 psk_identity = "JPAKE"; 1586 } 1587 #endif 1588 1589 SSL_load_error_strings(); 1590 OpenSSL_add_ssl_algorithms(); 1591 1592 #ifndef OPENSSL_NO_ENGINE 1593 e = setup_engine(bio_err, engine_id, 1); 1594 #endif 1595 1596 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1597 BIO_printf(bio_err, "Error getting password\n"); 1598 goto end; 1599 } 1600 1601 if (s_key_file == NULL) 1602 s_key_file = s_cert_file; 1603 #ifndef OPENSSL_NO_TLSEXT 1604 if (s_key_file2 == NULL) 1605 s_key_file2 = s_cert_file2; 1606 #endif 1607 1608 if (!load_excert(&exc, bio_err)) 1609 goto end; 1610 1611 if (nocert == 0) { 1612 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1613 "server certificate private key file"); 1614 if (!s_key) { 1615 ERR_print_errors(bio_err); 1616 goto end; 1617 } 1618 1619 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1620 NULL, e, "server certificate file"); 1621 1622 if (!s_cert) { 1623 ERR_print_errors(bio_err); 1624 goto end; 1625 } 1626 if (s_chain_file) { 1627 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1628 NULL, e, "server certificate chain"); 1629 if (!s_chain) 1630 goto end; 1631 } 1632 #ifndef OPENSSL_NO_TLSEXT 1633 if (tlsextcbp.servername) { 1634 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1635 "second server certificate private key file"); 1636 if (!s_key2) { 1637 ERR_print_errors(bio_err); 1638 goto end; 1639 } 1640 1641 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1642 NULL, e, "second server certificate file"); 1643 1644 if (!s_cert2) { 1645 ERR_print_errors(bio_err); 1646 goto end; 1647 } 1648 } 1649 #endif /* OPENSSL_NO_TLSEXT */ 1650 } 1651 #if !defined(OPENSSL_NO_TLSEXT) 1652 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1653 if (next_proto_neg_in) { 1654 unsigned short len; 1655 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1656 if (next_proto.data == NULL) 1657 goto end; 1658 next_proto.len = len; 1659 } else { 1660 next_proto.data = NULL; 1661 } 1662 # endif 1663 alpn_ctx.data = NULL; 1664 if (alpn_in) { 1665 unsigned short len; 1666 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1667 if (alpn_ctx.data == NULL) 1668 goto end; 1669 alpn_ctx.len = len; 1670 } 1671 #endif 1672 1673 if (crl_file) { 1674 X509_CRL *crl; 1675 crl = load_crl(crl_file, crl_format); 1676 if (!crl) { 1677 BIO_puts(bio_err, "Error loading CRL\n"); 1678 ERR_print_errors(bio_err); 1679 goto end; 1680 } 1681 crls = sk_X509_CRL_new_null(); 1682 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1683 BIO_puts(bio_err, "Error adding CRL\n"); 1684 ERR_print_errors(bio_err); 1685 X509_CRL_free(crl); 1686 goto end; 1687 } 1688 } 1689 1690 if (s_dcert_file) { 1691 1692 if (s_dkey_file == NULL) 1693 s_dkey_file = s_dcert_file; 1694 1695 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1696 0, dpass, e, "second certificate private key file"); 1697 if (!s_dkey) { 1698 ERR_print_errors(bio_err); 1699 goto end; 1700 } 1701 1702 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1703 NULL, e, "second server certificate file"); 1704 1705 if (!s_dcert) { 1706 ERR_print_errors(bio_err); 1707 goto end; 1708 } 1709 if (s_dchain_file) { 1710 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1711 NULL, e, "second server certificate chain"); 1712 if (!s_dchain) 1713 goto end; 1714 } 1715 1716 } 1717 1718 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1719 && !RAND_status()) { 1720 BIO_printf(bio_err, 1721 "warning, not much extra random data, consider using the -rand option\n"); 1722 } 1723 if (inrand != NULL) 1724 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1725 app_RAND_load_files(inrand)); 1726 1727 if (bio_s_out == NULL) { 1728 if (s_quiet && !s_debug) { 1729 bio_s_out = BIO_new(BIO_s_null()); 1730 if (s_msg && !bio_s_msg) 1731 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1732 } else { 1733 if (bio_s_out == NULL) 1734 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1735 } 1736 } 1737 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1738 if (nocert) 1739 #endif 1740 { 1741 s_cert_file = NULL; 1742 s_key_file = NULL; 1743 s_dcert_file = NULL; 1744 s_dkey_file = NULL; 1745 #ifndef OPENSSL_NO_TLSEXT 1746 s_cert_file2 = NULL; 1747 s_key_file2 = NULL; 1748 #endif 1749 } 1750 1751 ctx = SSL_CTX_new(meth); 1752 if (ctx == NULL) { 1753 ERR_print_errors(bio_err); 1754 goto end; 1755 } 1756 if (session_id_prefix) { 1757 if (strlen(session_id_prefix) >= 32) 1758 BIO_printf(bio_err, 1759 "warning: id_prefix is too long, only one new session will be possible\n"); 1760 else if (strlen(session_id_prefix) >= 16) 1761 BIO_printf(bio_err, 1762 "warning: id_prefix is too long if you use SSLv2\n"); 1763 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1764 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1765 ERR_print_errors(bio_err); 1766 goto end; 1767 } 1768 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1769 } 1770 SSL_CTX_set_quiet_shutdown(ctx, 1); 1771 if (hack) 1772 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1773 if (exc) 1774 ssl_ctx_set_excert(ctx, exc); 1775 1776 if (state) 1777 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1778 if (no_cache) 1779 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1780 else if (ext_cache) 1781 init_session_cache_ctx(ctx); 1782 else 1783 SSL_CTX_sess_set_cache_size(ctx, 128); 1784 1785 #ifndef OPENSSL_NO_SRTP 1786 if (srtp_profiles != NULL) 1787 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1788 #endif 1789 1790 #if 0 1791 if (cipher == NULL) 1792 cipher = getenv("SSL_CIPHER"); 1793 #endif 1794 1795 #if 0 1796 if (s_cert_file == NULL) { 1797 BIO_printf(bio_err, 1798 "You must specify a certificate file for the server to use\n"); 1799 goto end; 1800 } 1801 #endif 1802 1803 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1804 (!SSL_CTX_set_default_verify_paths(ctx))) { 1805 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1806 ERR_print_errors(bio_err); 1807 /* goto end; */ 1808 } 1809 if (vpm) 1810 SSL_CTX_set1_param(ctx, vpm); 1811 1812 ssl_ctx_add_crls(ctx, crls, 0); 1813 1814 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1815 goto end; 1816 1817 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1818 crls, crl_download)) { 1819 BIO_printf(bio_err, "Error loading store locations\n"); 1820 ERR_print_errors(bio_err); 1821 goto end; 1822 } 1823 #ifndef OPENSSL_NO_TLSEXT 1824 if (s_cert2) { 1825 ctx2 = SSL_CTX_new(meth); 1826 if (ctx2 == NULL) { 1827 ERR_print_errors(bio_err); 1828 goto end; 1829 } 1830 } 1831 1832 if (ctx2) { 1833 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1834 1835 if (session_id_prefix) { 1836 if (strlen(session_id_prefix) >= 32) 1837 BIO_printf(bio_err, 1838 "warning: id_prefix is too long, only one new session will be possible\n"); 1839 else if (strlen(session_id_prefix) >= 16) 1840 BIO_printf(bio_err, 1841 "warning: id_prefix is too long if you use SSLv2\n"); 1842 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1843 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1844 ERR_print_errors(bio_err); 1845 goto end; 1846 } 1847 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1848 } 1849 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1850 if (hack) 1851 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1852 if (exc) 1853 ssl_ctx_set_excert(ctx2, exc); 1854 1855 if (state) 1856 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1857 1858 if (no_cache) 1859 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1860 else if (ext_cache) 1861 init_session_cache_ctx(ctx2); 1862 else 1863 SSL_CTX_sess_set_cache_size(ctx2, 128); 1864 1865 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1866 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1867 ERR_print_errors(bio_err); 1868 } 1869 if (vpm) 1870 SSL_CTX_set1_param(ctx2, vpm); 1871 1872 ssl_ctx_add_crls(ctx2, crls, 0); 1873 1874 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1875 goto end; 1876 1877 } 1878 # ifndef OPENSSL_NO_NEXTPROTONEG 1879 if (next_proto.data) 1880 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1881 &next_proto); 1882 # endif 1883 if (alpn_ctx.data) 1884 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1885 #endif 1886 1887 #ifndef OPENSSL_NO_DH 1888 if (!no_dhe) { 1889 DH *dh = NULL; 1890 1891 if (dhfile) 1892 dh = load_dh_param(dhfile); 1893 else if (s_cert_file) 1894 dh = load_dh_param(s_cert_file); 1895 1896 if (dh != NULL) { 1897 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1898 } else { 1899 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1900 dh = get_dh2048(); 1901 if (dh == NULL) { 1902 ERR_print_errors(bio_err); 1903 goto end; 1904 } 1905 } 1906 (void)BIO_flush(bio_s_out); 1907 1908 SSL_CTX_set_tmp_dh(ctx, dh); 1909 # ifndef OPENSSL_NO_TLSEXT 1910 if (ctx2) { 1911 if (!dhfile) { 1912 DH *dh2 = load_dh_param(s_cert_file2); 1913 if (dh2 != NULL) { 1914 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1915 (void)BIO_flush(bio_s_out); 1916 1917 DH_free(dh); 1918 dh = dh2; 1919 } 1920 } 1921 SSL_CTX_set_tmp_dh(ctx2, dh); 1922 } 1923 # endif 1924 DH_free(dh); 1925 } 1926 #endif 1927 1928 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1929 goto end; 1930 #ifndef OPENSSL_NO_TLSEXT 1931 if (s_serverinfo_file != NULL 1932 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1933 ERR_print_errors(bio_err); 1934 goto end; 1935 } 1936 #endif 1937 #ifndef OPENSSL_NO_TLSEXT 1938 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1939 goto end; 1940 #endif 1941 if (s_dcert != NULL) { 1942 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1943 goto end; 1944 } 1945 #ifndef OPENSSL_NO_RSA 1946 # if 1 1947 if (!no_tmp_rsa) { 1948 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1949 # ifndef OPENSSL_NO_TLSEXT 1950 if (ctx2) 1951 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1952 # endif 1953 } 1954 # else 1955 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1956 RSA *rsa; 1957 1958 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1959 BIO_flush(bio_s_out); 1960 1961 rsa = RSA_generate_key(512, RSA_F4, NULL); 1962 1963 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1964 ERR_print_errors(bio_err); 1965 goto end; 1966 } 1967 # ifndef OPENSSL_NO_TLSEXT 1968 if (ctx2) { 1969 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1970 ERR_print_errors(bio_err); 1971 goto end; 1972 } 1973 } 1974 # endif 1975 RSA_free(rsa); 1976 BIO_printf(bio_s_out, "\n"); 1977 } 1978 # endif 1979 #endif 1980 1981 #ifndef OPENSSL_NO_PSK 1982 # ifdef OPENSSL_NO_JPAKE 1983 if (psk_key != NULL) 1984 # else 1985 if (psk_key != NULL || jpake_secret) 1986 # endif 1987 { 1988 if (s_debug) 1989 BIO_printf(bio_s_out, 1990 "PSK key given or JPAKE in use, setting server callback\n"); 1991 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1992 } 1993 1994 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1995 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1996 ERR_print_errors(bio_err); 1997 goto end; 1998 } 1999 #endif 2000 2001 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2002 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 2003 sizeof s_server_session_id_context); 2004 2005 /* Set DTLS cookie generation and verification callbacks */ 2006 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2007 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2008 2009 #ifndef OPENSSL_NO_TLSEXT 2010 if (ctx2) { 2011 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2012 SSL_CTX_set_session_id_context(ctx2, 2013 (void *)&s_server_session_id_context, 2014 sizeof s_server_session_id_context); 2015 2016 tlsextcbp.biodebug = bio_s_out; 2017 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2018 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2019 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2020 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2021 } 2022 #endif 2023 2024 #ifndef OPENSSL_NO_SRP 2025 if (srp_verifier_file != NULL) { 2026 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2027 srp_callback_parm.user = NULL; 2028 srp_callback_parm.login = NULL; 2029 if ((ret = 2030 SRP_VBASE_init(srp_callback_parm.vb, 2031 srp_verifier_file)) != SRP_NO_ERROR) { 2032 BIO_printf(bio_err, 2033 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2034 srp_verifier_file, ret); 2035 goto end; 2036 } 2037 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2038 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2039 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2040 } else 2041 #endif 2042 if (CAfile != NULL) { 2043 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2044 #ifndef OPENSSL_NO_TLSEXT 2045 if (ctx2) 2046 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2047 #endif 2048 } 2049 2050 BIO_printf(bio_s_out, "ACCEPT\n"); 2051 (void)BIO_flush(bio_s_out); 2052 if (rev) 2053 do_server(port, socket_type, &accept_socket, rev_body, context, 2054 naccept); 2055 else if (www) 2056 do_server(port, socket_type, &accept_socket, www_body, context, 2057 naccept); 2058 else 2059 do_server(port, socket_type, &accept_socket, sv_body, context, 2060 naccept); 2061 print_stats(bio_s_out, ctx); 2062 ret = 0; 2063 end: 2064 if (ctx != NULL) 2065 SSL_CTX_free(ctx); 2066 if (s_cert) 2067 X509_free(s_cert); 2068 if (crls) 2069 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2070 if (s_dcert) 2071 X509_free(s_dcert); 2072 if (s_key) 2073 EVP_PKEY_free(s_key); 2074 if (s_dkey) 2075 EVP_PKEY_free(s_dkey); 2076 if (s_chain) 2077 sk_X509_pop_free(s_chain, X509_free); 2078 if (s_dchain) 2079 sk_X509_pop_free(s_dchain, X509_free); 2080 if (pass) 2081 OPENSSL_free(pass); 2082 if (dpass) 2083 OPENSSL_free(dpass); 2084 if (vpm) 2085 X509_VERIFY_PARAM_free(vpm); 2086 free_sessions(); 2087 #ifndef OPENSSL_NO_TLSEXT 2088 if (tlscstatp.host) 2089 OPENSSL_free(tlscstatp.host); 2090 if (tlscstatp.port) 2091 OPENSSL_free(tlscstatp.port); 2092 if (tlscstatp.path) 2093 OPENSSL_free(tlscstatp.path); 2094 if (ctx2 != NULL) 2095 SSL_CTX_free(ctx2); 2096 if (s_cert2) 2097 X509_free(s_cert2); 2098 if (s_key2) 2099 EVP_PKEY_free(s_key2); 2100 if (serverinfo_in != NULL) 2101 BIO_free(serverinfo_in); 2102 # ifndef OPENSSL_NO_NEXTPROTONEG 2103 if (next_proto.data) 2104 OPENSSL_free(next_proto.data); 2105 # endif 2106 if (alpn_ctx.data) 2107 OPENSSL_free(alpn_ctx.data); 2108 #endif 2109 ssl_excert_free(exc); 2110 if (ssl_args) 2111 sk_OPENSSL_STRING_free(ssl_args); 2112 if (cctx) 2113 SSL_CONF_CTX_free(cctx); 2114 #ifndef OPENSSL_NO_JPAKE 2115 if (jpake_secret && psk_key) 2116 OPENSSL_free(psk_key); 2117 #endif 2118 if (bio_s_out != NULL) { 2119 BIO_free(bio_s_out); 2120 bio_s_out = NULL; 2121 } 2122 if (bio_s_msg != NULL) { 2123 BIO_free(bio_s_msg); 2124 bio_s_msg = NULL; 2125 } 2126 apps_shutdown(); 2127 OPENSSL_EXIT(ret); 2128 } 2129 2130 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2131 { 2132 BIO_printf(bio, "%4ld items in the session cache\n", 2133 SSL_CTX_sess_number(ssl_ctx)); 2134 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2135 SSL_CTX_sess_connect(ssl_ctx)); 2136 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2137 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2138 BIO_printf(bio, "%4ld client connects that finished\n", 2139 SSL_CTX_sess_connect_good(ssl_ctx)); 2140 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2141 SSL_CTX_sess_accept(ssl_ctx)); 2142 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2143 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2144 BIO_printf(bio, "%4ld server accepts that finished\n", 2145 SSL_CTX_sess_accept_good(ssl_ctx)); 2146 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2147 BIO_printf(bio, "%4ld session cache misses\n", 2148 SSL_CTX_sess_misses(ssl_ctx)); 2149 BIO_printf(bio, "%4ld session cache timeouts\n", 2150 SSL_CTX_sess_timeouts(ssl_ctx)); 2151 BIO_printf(bio, "%4ld callback cache hits\n", 2152 SSL_CTX_sess_cb_hits(ssl_ctx)); 2153 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2154 SSL_CTX_sess_cache_full(ssl_ctx), 2155 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2156 } 2157 2158 static int sv_body(char *hostname, int s, int stype, unsigned char *context) 2159 { 2160 char *buf = NULL; 2161 fd_set readfds; 2162 int ret = 1, width; 2163 int k, i; 2164 unsigned long l; 2165 SSL *con = NULL; 2166 BIO *sbio; 2167 #ifndef OPENSSL_NO_KRB5 2168 KSSL_CTX *kctx; 2169 #endif 2170 struct timeval timeout; 2171 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2172 struct timeval tv; 2173 #else 2174 struct timeval *timeoutp; 2175 #endif 2176 2177 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2178 BIO_printf(bio_err, "out of memory\n"); 2179 goto err; 2180 } 2181 #ifdef FIONBIO 2182 if (s_nbio) { 2183 unsigned long sl = 1; 2184 2185 if (!s_quiet) 2186 BIO_printf(bio_err, "turning on non blocking io\n"); 2187 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2188 ERR_print_errors(bio_err); 2189 } 2190 #endif 2191 2192 if (con == NULL) { 2193 con = SSL_new(ctx); 2194 #ifndef OPENSSL_NO_TLSEXT 2195 if (s_tlsextdebug) { 2196 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2197 SSL_set_tlsext_debug_arg(con, bio_s_out); 2198 } 2199 if (s_tlsextstatus) { 2200 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2201 tlscstatp.err = bio_err; 2202 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2203 } 2204 #endif 2205 #ifndef OPENSSL_NO_KRB5 2206 if ((kctx = kssl_ctx_new()) != NULL) { 2207 SSL_set0_kssl_ctx(con, kctx); 2208 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2209 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2210 } 2211 #endif /* OPENSSL_NO_KRB5 */ 2212 if (context) 2213 SSL_set_session_id_context(con, context, strlen((char *)context)); 2214 } 2215 SSL_clear(con); 2216 #if 0 2217 # ifdef TLSEXT_TYPE_opaque_prf_input 2218 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2219 # endif 2220 #endif 2221 2222 if (stype == SOCK_DGRAM) { 2223 2224 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2225 2226 if (enable_timeouts) { 2227 timeout.tv_sec = 0; 2228 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2229 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2230 2231 timeout.tv_sec = 0; 2232 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2233 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2234 } 2235 2236 if (socket_mtu) { 2237 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2238 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2239 DTLS_get_link_min_mtu(con)); 2240 ret = -1; 2241 BIO_free(sbio); 2242 goto err; 2243 } 2244 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2245 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2246 BIO_printf(bio_err, "Failed to set MTU\n"); 2247 ret = -1; 2248 BIO_free(sbio); 2249 goto err; 2250 } 2251 } else 2252 /* want to do MTU discovery */ 2253 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2254 2255 /* turn on cookie exchange */ 2256 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2257 } else 2258 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2259 2260 if (s_nbio_test) { 2261 BIO *test; 2262 2263 test = BIO_new(BIO_f_nbio_test()); 2264 sbio = BIO_push(test, sbio); 2265 } 2266 #ifndef OPENSSL_NO_JPAKE 2267 if (jpake_secret) 2268 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2269 #endif 2270 2271 SSL_set_bio(con, sbio, sbio); 2272 SSL_set_accept_state(con); 2273 /* SSL_set_fd(con,s); */ 2274 2275 if (s_debug) { 2276 SSL_set_debug(con, 1); 2277 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2278 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2279 } 2280 if (s_msg) { 2281 #ifndef OPENSSL_NO_SSL_TRACE 2282 if (s_msg == 2) 2283 SSL_set_msg_callback(con, SSL_trace); 2284 else 2285 #endif 2286 SSL_set_msg_callback(con, msg_cb); 2287 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2288 } 2289 #ifndef OPENSSL_NO_TLSEXT 2290 if (s_tlsextdebug) { 2291 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2292 SSL_set_tlsext_debug_arg(con, bio_s_out); 2293 } 2294 #endif 2295 2296 width = s + 1; 2297 for (;;) { 2298 int read_from_terminal; 2299 int read_from_sslcon; 2300 2301 read_from_terminal = 0; 2302 read_from_sslcon = SSL_pending(con); 2303 2304 if (!read_from_sslcon) { 2305 FD_ZERO(&readfds); 2306 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2307 openssl_fdset(fileno(stdin), &readfds); 2308 #endif 2309 openssl_fdset(s, &readfds); 2310 /* 2311 * Note: under VMS with SOCKETSHR the second parameter is 2312 * currently of type (int *) whereas under other systems it is 2313 * (void *) if you don't have a cast it will choke the compiler: 2314 * if you do have a cast then you can either go for (int *) or 2315 * (void *). 2316 */ 2317 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2318 /* 2319 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2320 * only on sockets. As a workaround we timeout the select every 2321 * second and check for any keypress. In a proper Windows 2322 * application we wouldn't do this because it is inefficient. 2323 */ 2324 tv.tv_sec = 1; 2325 tv.tv_usec = 0; 2326 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2327 if ((i < 0) || (!i && !_kbhit())) 2328 continue; 2329 if (_kbhit()) 2330 read_from_terminal = 1; 2331 #elif defined(OPENSSL_SYS_BEOS_R5) 2332 /* Under BeOS-R5 the situation is similar to DOS */ 2333 tv.tv_sec = 1; 2334 tv.tv_usec = 0; 2335 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2336 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2337 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2338 continue; 2339 if (read(fileno(stdin), buf, 0) >= 0) 2340 read_from_terminal = 1; 2341 (void)fcntl(fileno(stdin), F_SETFL, 0); 2342 #else 2343 if ((SSL_version(con) == DTLS1_VERSION) && 2344 DTLSv1_get_timeout(con, &timeout)) 2345 timeoutp = &timeout; 2346 else 2347 timeoutp = NULL; 2348 2349 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2350 2351 if ((SSL_version(con) == DTLS1_VERSION) 2352 && DTLSv1_handle_timeout(con) > 0) { 2353 BIO_printf(bio_err, "TIMEOUT occured\n"); 2354 } 2355 2356 if (i <= 0) 2357 continue; 2358 if (FD_ISSET(fileno(stdin), &readfds)) 2359 read_from_terminal = 1; 2360 #endif 2361 if (FD_ISSET(s, &readfds)) 2362 read_from_sslcon = 1; 2363 } 2364 if (read_from_terminal) { 2365 if (s_crlf) { 2366 int j, lf_num; 2367 2368 i = raw_read_stdin(buf, bufsize / 2); 2369 lf_num = 0; 2370 /* both loops are skipped when i <= 0 */ 2371 for (j = 0; j < i; j++) 2372 if (buf[j] == '\n') 2373 lf_num++; 2374 for (j = i - 1; j >= 0; j--) { 2375 buf[j + lf_num] = buf[j]; 2376 if (buf[j] == '\n') { 2377 lf_num--; 2378 i++; 2379 buf[j + lf_num] = '\r'; 2380 } 2381 } 2382 assert(lf_num == 0); 2383 } else 2384 i = raw_read_stdin(buf, bufsize); 2385 if (!s_quiet && !s_brief) { 2386 if ((i <= 0) || (buf[0] == 'Q')) { 2387 BIO_printf(bio_s_out, "DONE\n"); 2388 SHUTDOWN(s); 2389 close_accept_socket(); 2390 ret = -11; 2391 goto err; 2392 } 2393 if ((i <= 0) || (buf[0] == 'q')) { 2394 BIO_printf(bio_s_out, "DONE\n"); 2395 if (SSL_version(con) != DTLS1_VERSION) 2396 SHUTDOWN(s); 2397 /* 2398 * close_accept_socket(); ret= -11; 2399 */ 2400 goto err; 2401 } 2402 #ifndef OPENSSL_NO_HEARTBEATS 2403 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2404 BIO_printf(bio_err, "HEARTBEATING\n"); 2405 SSL_heartbeat(con); 2406 i = 0; 2407 continue; 2408 } 2409 #endif 2410 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2411 SSL_renegotiate(con); 2412 i = SSL_do_handshake(con); 2413 printf("SSL_do_handshake -> %d\n", i); 2414 i = 0; /* 13; */ 2415 continue; 2416 /* 2417 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2418 */ 2419 } 2420 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2421 SSL_set_verify(con, 2422 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2423 NULL); 2424 SSL_renegotiate(con); 2425 i = SSL_do_handshake(con); 2426 printf("SSL_do_handshake -> %d\n", i); 2427 i = 0; /* 13; */ 2428 continue; 2429 /* 2430 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2431 * cert\n"); 2432 */ 2433 } 2434 if (buf[0] == 'P') { 2435 static const char *str = "Lets print some clear text\n"; 2436 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2437 } 2438 if (buf[0] == 'S') { 2439 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2440 } 2441 } 2442 #ifdef CHARSET_EBCDIC 2443 ebcdic2ascii(buf, buf, i); 2444 #endif 2445 l = k = 0; 2446 for (;;) { 2447 /* should do a select for the write */ 2448 #ifdef RENEG 2449 { 2450 static count = 0; 2451 if (++count == 100) { 2452 count = 0; 2453 SSL_renegotiate(con); 2454 } 2455 } 2456 #endif 2457 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2458 #ifndef OPENSSL_NO_SRP 2459 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2460 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2461 SRP_user_pwd_free(srp_callback_parm.user); 2462 srp_callback_parm.user = 2463 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2464 srp_callback_parm.login); 2465 if (srp_callback_parm.user) 2466 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2467 srp_callback_parm.user->info); 2468 else 2469 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2470 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2471 } 2472 #endif 2473 switch (SSL_get_error(con, k)) { 2474 case SSL_ERROR_NONE: 2475 break; 2476 case SSL_ERROR_WANT_WRITE: 2477 case SSL_ERROR_WANT_READ: 2478 case SSL_ERROR_WANT_X509_LOOKUP: 2479 BIO_printf(bio_s_out, "Write BLOCK\n"); 2480 break; 2481 case SSL_ERROR_SYSCALL: 2482 case SSL_ERROR_SSL: 2483 BIO_printf(bio_s_out, "ERROR\n"); 2484 ERR_print_errors(bio_err); 2485 ret = 1; 2486 goto err; 2487 /* break; */ 2488 case SSL_ERROR_ZERO_RETURN: 2489 BIO_printf(bio_s_out, "DONE\n"); 2490 ret = 1; 2491 goto err; 2492 } 2493 if (k > 0) { 2494 l += k; 2495 i -= k; 2496 } 2497 if (i <= 0) 2498 break; 2499 } 2500 } 2501 if (read_from_sslcon) { 2502 if (!SSL_is_init_finished(con)) { 2503 i = init_ssl_connection(con); 2504 2505 if (i < 0) { 2506 ret = 0; 2507 goto err; 2508 } else if (i == 0) { 2509 ret = 1; 2510 goto err; 2511 } 2512 } else { 2513 again: 2514 i = SSL_read(con, (char *)buf, bufsize); 2515 #ifndef OPENSSL_NO_SRP 2516 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2517 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2518 SRP_user_pwd_free(srp_callback_parm.user); 2519 srp_callback_parm.user = 2520 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2521 srp_callback_parm.login); 2522 if (srp_callback_parm.user) 2523 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2524 srp_callback_parm.user->info); 2525 else 2526 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2527 i = SSL_read(con, (char *)buf, bufsize); 2528 } 2529 #endif 2530 switch (SSL_get_error(con, i)) { 2531 case SSL_ERROR_NONE: 2532 #ifdef CHARSET_EBCDIC 2533 ascii2ebcdic(buf, buf, i); 2534 #endif 2535 raw_write_stdout(buf, (unsigned int)i); 2536 if (SSL_pending(con)) 2537 goto again; 2538 break; 2539 case SSL_ERROR_WANT_WRITE: 2540 case SSL_ERROR_WANT_READ: 2541 BIO_printf(bio_s_out, "Read BLOCK\n"); 2542 break; 2543 case SSL_ERROR_SYSCALL: 2544 case SSL_ERROR_SSL: 2545 BIO_printf(bio_s_out, "ERROR\n"); 2546 ERR_print_errors(bio_err); 2547 ret = 1; 2548 goto err; 2549 case SSL_ERROR_ZERO_RETURN: 2550 BIO_printf(bio_s_out, "DONE\n"); 2551 ret = 1; 2552 goto err; 2553 } 2554 } 2555 } 2556 } 2557 err: 2558 if (con != NULL) { 2559 BIO_printf(bio_s_out, "shutting down SSL\n"); 2560 #if 1 2561 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2562 #else 2563 SSL_shutdown(con); 2564 #endif 2565 SSL_free(con); 2566 } 2567 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2568 if (buf != NULL) { 2569 OPENSSL_cleanse(buf, bufsize); 2570 OPENSSL_free(buf); 2571 } 2572 if (ret >= 0) 2573 BIO_printf(bio_s_out, "ACCEPT\n"); 2574 return (ret); 2575 } 2576 2577 static void close_accept_socket(void) 2578 { 2579 BIO_printf(bio_err, "shutdown accept socket\n"); 2580 if (accept_socket >= 0) { 2581 SHUTDOWN2(accept_socket); 2582 } 2583 } 2584 2585 static int init_ssl_connection(SSL *con) 2586 { 2587 int i; 2588 const char *str; 2589 X509 *peer; 2590 long verify_error; 2591 MS_STATIC char buf[BUFSIZ]; 2592 #ifndef OPENSSL_NO_KRB5 2593 char *client_princ; 2594 #endif 2595 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2596 const unsigned char *next_proto_neg; 2597 unsigned next_proto_neg_len; 2598 #endif 2599 unsigned char *exportedkeymat; 2600 2601 i = SSL_accept(con); 2602 #ifdef CERT_CB_TEST_RETRY 2603 { 2604 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2605 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2606 fprintf(stderr, 2607 "LOOKUP from certificate callback during accept\n"); 2608 i = SSL_accept(con); 2609 } 2610 } 2611 #endif 2612 #ifndef OPENSSL_NO_SRP 2613 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2614 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2615 srp_callback_parm.login); 2616 SRP_user_pwd_free(srp_callback_parm.user); 2617 srp_callback_parm.user = 2618 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2619 srp_callback_parm.login); 2620 if (srp_callback_parm.user) 2621 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2622 srp_callback_parm.user->info); 2623 else 2624 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2625 i = SSL_accept(con); 2626 } 2627 #endif 2628 2629 if (i <= 0) { 2630 if (BIO_sock_should_retry(i)) { 2631 BIO_printf(bio_s_out, "DELAY\n"); 2632 return (1); 2633 } 2634 2635 BIO_printf(bio_err, "ERROR\n"); 2636 verify_error = SSL_get_verify_result(con); 2637 if (verify_error != X509_V_OK) { 2638 BIO_printf(bio_err, "verify error:%s\n", 2639 X509_verify_cert_error_string(verify_error)); 2640 } 2641 /* Always print any error messages */ 2642 ERR_print_errors(bio_err); 2643 return (0); 2644 } 2645 2646 if (s_brief) 2647 print_ssl_summary(bio_err, con); 2648 2649 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2650 2651 peer = SSL_get_peer_certificate(con); 2652 if (peer != NULL) { 2653 BIO_printf(bio_s_out, "Client certificate\n"); 2654 PEM_write_bio_X509(bio_s_out, peer); 2655 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2656 BIO_printf(bio_s_out, "subject=%s\n", buf); 2657 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2658 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2659 X509_free(peer); 2660 } 2661 2662 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2663 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2664 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2665 ssl_print_sigalgs(bio_s_out, con); 2666 #ifndef OPENSSL_NO_EC 2667 ssl_print_point_formats(bio_s_out, con); 2668 ssl_print_curves(bio_s_out, con, 0); 2669 #endif 2670 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2671 2672 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2673 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2674 if (next_proto_neg) { 2675 BIO_printf(bio_s_out, "NEXTPROTO is "); 2676 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2677 BIO_printf(bio_s_out, "\n"); 2678 } 2679 #endif 2680 #ifndef OPENSSL_NO_SRTP 2681 { 2682 SRTP_PROTECTION_PROFILE *srtp_profile 2683 = SSL_get_selected_srtp_profile(con); 2684 2685 if (srtp_profile) 2686 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2687 srtp_profile->name); 2688 } 2689 #endif 2690 if (SSL_cache_hit(con)) 2691 BIO_printf(bio_s_out, "Reused session-id\n"); 2692 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2693 TLS1_FLAGS_TLS_PADDING_BUG) 2694 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2695 #ifndef OPENSSL_NO_KRB5 2696 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2697 if (client_princ != NULL) { 2698 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2699 client_princ); 2700 } 2701 #endif /* OPENSSL_NO_KRB5 */ 2702 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2703 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2704 if (keymatexportlabel != NULL) { 2705 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2706 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2707 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2708 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2709 if (exportedkeymat != NULL) { 2710 if (!SSL_export_keying_material(con, exportedkeymat, 2711 keymatexportlen, 2712 keymatexportlabel, 2713 strlen(keymatexportlabel), 2714 NULL, 0, 0)) { 2715 BIO_printf(bio_s_out, " Error\n"); 2716 } else { 2717 BIO_printf(bio_s_out, " Keying material: "); 2718 for (i = 0; i < keymatexportlen; i++) 2719 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2720 BIO_printf(bio_s_out, "\n"); 2721 } 2722 OPENSSL_free(exportedkeymat); 2723 } 2724 } 2725 2726 return (1); 2727 } 2728 2729 #ifndef OPENSSL_NO_DH 2730 static DH *load_dh_param(const char *dhfile) 2731 { 2732 DH *ret = NULL; 2733 BIO *bio; 2734 2735 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2736 goto err; 2737 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2738 err: 2739 if (bio != NULL) 2740 BIO_free(bio); 2741 return (ret); 2742 } 2743 #endif 2744 #ifndef OPENSSL_NO_KRB5 2745 char *client_princ; 2746 #endif 2747 2748 #if 0 2749 static int load_CA(SSL_CTX *ctx, char *file) 2750 { 2751 FILE *in; 2752 X509 *x = NULL; 2753 2754 if ((in = fopen(file, "r")) == NULL) 2755 return (0); 2756 2757 for (;;) { 2758 if (PEM_read_X509(in, &x, NULL) == NULL) 2759 break; 2760 SSL_CTX_add_client_CA(ctx, x); 2761 } 2762 if (x != NULL) 2763 X509_free(x); 2764 fclose(in); 2765 return (1); 2766 } 2767 #endif 2768 2769 static int www_body(char *hostname, int s, int stype, unsigned char *context) 2770 { 2771 char *buf = NULL; 2772 int ret = 1; 2773 int i, j, k, dot; 2774 SSL *con; 2775 const SSL_CIPHER *c; 2776 BIO *io, *ssl_bio, *sbio; 2777 #ifndef OPENSSL_NO_KRB5 2778 KSSL_CTX *kctx; 2779 #endif 2780 2781 buf = OPENSSL_malloc(bufsize); 2782 if (buf == NULL) 2783 return (0); 2784 io = BIO_new(BIO_f_buffer()); 2785 ssl_bio = BIO_new(BIO_f_ssl()); 2786 if ((io == NULL) || (ssl_bio == NULL)) 2787 goto err; 2788 2789 #ifdef FIONBIO 2790 if (s_nbio) { 2791 unsigned long sl = 1; 2792 2793 if (!s_quiet) 2794 BIO_printf(bio_err, "turning on non blocking io\n"); 2795 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2796 ERR_print_errors(bio_err); 2797 } 2798 #endif 2799 2800 /* lets make the output buffer a reasonable size */ 2801 if (!BIO_set_write_buffer_size(io, bufsize)) 2802 goto err; 2803 2804 if ((con = SSL_new(ctx)) == NULL) 2805 goto err; 2806 #ifndef OPENSSL_NO_TLSEXT 2807 if (s_tlsextdebug) { 2808 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2809 SSL_set_tlsext_debug_arg(con, bio_s_out); 2810 } 2811 #endif 2812 #ifndef OPENSSL_NO_KRB5 2813 if ((kctx = kssl_ctx_new()) != NULL) { 2814 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2815 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2816 } 2817 #endif /* OPENSSL_NO_KRB5 */ 2818 if (context) 2819 SSL_set_session_id_context(con, context, strlen((char *)context)); 2820 2821 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2822 if (s_nbio_test) { 2823 BIO *test; 2824 2825 test = BIO_new(BIO_f_nbio_test()); 2826 sbio = BIO_push(test, sbio); 2827 } 2828 SSL_set_bio(con, sbio, sbio); 2829 SSL_set_accept_state(con); 2830 2831 /* SSL_set_fd(con,s); */ 2832 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2833 BIO_push(io, ssl_bio); 2834 #ifdef CHARSET_EBCDIC 2835 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2836 #endif 2837 2838 if (s_debug) { 2839 SSL_set_debug(con, 1); 2840 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2841 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2842 } 2843 if (s_msg) { 2844 #ifndef OPENSSL_NO_SSL_TRACE 2845 if (s_msg == 2) 2846 SSL_set_msg_callback(con, SSL_trace); 2847 else 2848 #endif 2849 SSL_set_msg_callback(con, msg_cb); 2850 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2851 } 2852 2853 for (;;) { 2854 if (hack) { 2855 i = SSL_accept(con); 2856 #ifndef OPENSSL_NO_SRP 2857 while (i <= 0 2858 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2859 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2860 srp_callback_parm.login); 2861 SRP_user_pwd_free(srp_callback_parm.user); 2862 srp_callback_parm.user = 2863 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2864 srp_callback_parm.login); 2865 if (srp_callback_parm.user) 2866 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2867 srp_callback_parm.user->info); 2868 else 2869 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2870 i = SSL_accept(con); 2871 } 2872 #endif 2873 switch (SSL_get_error(con, i)) { 2874 case SSL_ERROR_NONE: 2875 break; 2876 case SSL_ERROR_WANT_WRITE: 2877 case SSL_ERROR_WANT_READ: 2878 case SSL_ERROR_WANT_X509_LOOKUP: 2879 continue; 2880 case SSL_ERROR_SYSCALL: 2881 case SSL_ERROR_SSL: 2882 case SSL_ERROR_ZERO_RETURN: 2883 ret = 1; 2884 goto err; 2885 /* break; */ 2886 } 2887 2888 SSL_renegotiate(con); 2889 SSL_write(con, NULL, 0); 2890 } 2891 2892 i = BIO_gets(io, buf, bufsize - 1); 2893 if (i < 0) { /* error */ 2894 if (!BIO_should_retry(io)) { 2895 if (!s_quiet) 2896 ERR_print_errors(bio_err); 2897 goto err; 2898 } else { 2899 BIO_printf(bio_s_out, "read R BLOCK\n"); 2900 #ifndef OPENSSL_NO_SRP 2901 if (BIO_should_io_special(io) 2902 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2903 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2904 SRP_user_pwd_free(srp_callback_parm.user); 2905 srp_callback_parm.user = 2906 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2907 srp_callback_parm.login); 2908 if (srp_callback_parm.user) 2909 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2910 srp_callback_parm.user->info); 2911 else 2912 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2913 continue; 2914 } 2915 #endif 2916 #if defined(OPENSSL_SYS_NETWARE) 2917 delay(1000); 2918 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2919 sleep(1); 2920 #endif 2921 continue; 2922 } 2923 } else if (i == 0) { /* end of input */ 2924 ret = 1; 2925 goto end; 2926 } 2927 2928 /* else we have data */ 2929 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2930 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2931 char *p; 2932 X509 *peer; 2933 STACK_OF(SSL_CIPHER) *sk; 2934 static const char *space = " "; 2935 2936 BIO_puts(io, 2937 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2938 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2939 BIO_puts(io, "<pre>\n"); 2940 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2941 BIO_puts(io, "\n"); 2942 for (i = 0; i < local_argc; i++) { 2943 BIO_puts(io, local_argv[i]); 2944 BIO_write(io, " ", 1); 2945 } 2946 BIO_puts(io, "\n"); 2947 2948 BIO_printf(io, 2949 "Secure Renegotiation IS%s supported\n", 2950 SSL_get_secure_renegotiation_support(con) ? 2951 "" : " NOT"); 2952 2953 /* 2954 * The following is evil and should not really be done 2955 */ 2956 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2957 sk = SSL_get_ciphers(con); 2958 j = sk_SSL_CIPHER_num(sk); 2959 for (i = 0; i < j; i++) { 2960 c = sk_SSL_CIPHER_value(sk, i); 2961 BIO_printf(io, "%-11s:%-25s", 2962 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2963 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2964 BIO_puts(io, "\n"); 2965 } 2966 BIO_puts(io, "\n"); 2967 p = SSL_get_shared_ciphers(con, buf, bufsize); 2968 if (p != NULL) { 2969 BIO_printf(io, 2970 "---\nCiphers common between both SSL end points:\n"); 2971 j = i = 0; 2972 while (*p) { 2973 if (*p == ':') { 2974 BIO_write(io, space, 26 - j); 2975 i++; 2976 j = 0; 2977 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2978 } else { 2979 BIO_write(io, p, 1); 2980 j++; 2981 } 2982 p++; 2983 } 2984 BIO_puts(io, "\n"); 2985 } 2986 ssl_print_sigalgs(io, con); 2987 #ifndef OPENSSL_NO_EC 2988 ssl_print_curves(io, con, 0); 2989 #endif 2990 BIO_printf(io, (SSL_cache_hit(con) 2991 ? "---\nReused, " : "---\nNew, ")); 2992 c = SSL_get_current_cipher(con); 2993 BIO_printf(io, "%s, Cipher is %s\n", 2994 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2995 SSL_SESSION_print(io, SSL_get_session(con)); 2996 BIO_printf(io, "---\n"); 2997 print_stats(io, SSL_get_SSL_CTX(con)); 2998 BIO_printf(io, "---\n"); 2999 peer = SSL_get_peer_certificate(con); 3000 if (peer != NULL) { 3001 BIO_printf(io, "Client certificate\n"); 3002 X509_print(io, peer); 3003 PEM_write_bio_X509(io, peer); 3004 } else 3005 BIO_puts(io, "no client certificate available\n"); 3006 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 3007 break; 3008 } else if ((www == 2 || www == 3) 3009 && (strncmp("GET /", buf, 5) == 0)) { 3010 BIO *file; 3011 char *p, *e; 3012 static const char *text = 3013 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3014 3015 /* skip the '/' */ 3016 p = &(buf[5]); 3017 3018 dot = 1; 3019 for (e = p; *e != '\0'; e++) { 3020 if (e[0] == ' ') 3021 break; 3022 3023 switch (dot) { 3024 case 1: 3025 dot = (e[0] == '.') ? 2 : 0; 3026 break; 3027 case 2: 3028 dot = (e[0] == '.') ? 3 : 0; 3029 break; 3030 case 3: 3031 dot = (e[0] == '/') ? -1 : 0; 3032 break; 3033 } 3034 if (dot == 0) 3035 dot = (e[0] == '/') ? 1 : 0; 3036 } 3037 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3038 * component */ 3039 3040 if (*e == '\0') { 3041 BIO_puts(io, text); 3042 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3043 break; 3044 } 3045 *e = '\0'; 3046 3047 if (dot) { 3048 BIO_puts(io, text); 3049 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3050 break; 3051 } 3052 3053 if (*p == '/') { 3054 BIO_puts(io, text); 3055 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3056 break; 3057 } 3058 #if 0 3059 /* append if a directory lookup */ 3060 if (e[-1] == '/') 3061 strcat(p, "index.html"); 3062 #endif 3063 3064 /* if a directory, do the index thang */ 3065 if (app_isdir(p) > 0) { 3066 #if 0 /* must check buffer size */ 3067 strcat(p, "/index.html"); 3068 #else 3069 BIO_puts(io, text); 3070 BIO_printf(io, "'%s' is a directory\r\n", p); 3071 break; 3072 #endif 3073 } 3074 3075 if ((file = BIO_new_file(p, "r")) == NULL) { 3076 BIO_puts(io, text); 3077 BIO_printf(io, "Error opening '%s'\r\n", p); 3078 ERR_print_errors(io); 3079 break; 3080 } 3081 3082 if (!s_quiet) 3083 BIO_printf(bio_err, "FILE:%s\n", p); 3084 3085 if (www == 2) { 3086 i = strlen(p); 3087 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3088 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3089 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3090 BIO_puts(io, 3091 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3092 else 3093 BIO_puts(io, 3094 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3095 } 3096 /* send the file */ 3097 for (;;) { 3098 i = BIO_read(file, buf, bufsize); 3099 if (i <= 0) 3100 break; 3101 3102 #ifdef RENEG 3103 total_bytes += i; 3104 fprintf(stderr, "%d\n", i); 3105 if (total_bytes > 3 * 1024) { 3106 total_bytes = 0; 3107 fprintf(stderr, "RENEGOTIATE\n"); 3108 SSL_renegotiate(con); 3109 } 3110 #endif 3111 3112 for (j = 0; j < i;) { 3113 #ifdef RENEG 3114 { 3115 static count = 0; 3116 if (++count == 13) { 3117 SSL_renegotiate(con); 3118 } 3119 } 3120 #endif 3121 k = BIO_write(io, &(buf[j]), i - j); 3122 if (k <= 0) { 3123 if (!BIO_should_retry(io)) 3124 goto write_error; 3125 else { 3126 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3127 } 3128 } else { 3129 j += k; 3130 } 3131 } 3132 } 3133 write_error: 3134 BIO_free(file); 3135 break; 3136 } 3137 } 3138 3139 for (;;) { 3140 i = (int)BIO_flush(io); 3141 if (i <= 0) { 3142 if (!BIO_should_retry(io)) 3143 break; 3144 } else 3145 break; 3146 } 3147 end: 3148 #if 1 3149 /* make sure we re-use sessions */ 3150 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3151 #else 3152 /* This kills performance */ 3153 /* 3154 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3155 * procession 3156 */ 3157 #endif 3158 3159 err: 3160 3161 if (ret >= 0) 3162 BIO_printf(bio_s_out, "ACCEPT\n"); 3163 3164 if (buf != NULL) 3165 OPENSSL_free(buf); 3166 if (io != NULL) 3167 BIO_free_all(io); 3168 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3169 return (ret); 3170 } 3171 3172 static int rev_body(char *hostname, int s, int stype, unsigned char *context) 3173 { 3174 char *buf = NULL; 3175 int i; 3176 int ret = 1; 3177 SSL *con; 3178 BIO *io, *ssl_bio, *sbio; 3179 #ifndef OPENSSL_NO_KRB5 3180 KSSL_CTX *kctx; 3181 #endif 3182 3183 buf = OPENSSL_malloc(bufsize); 3184 if (buf == NULL) 3185 return (0); 3186 io = BIO_new(BIO_f_buffer()); 3187 ssl_bio = BIO_new(BIO_f_ssl()); 3188 if ((io == NULL) || (ssl_bio == NULL)) 3189 goto err; 3190 3191 /* lets make the output buffer a reasonable size */ 3192 if (!BIO_set_write_buffer_size(io, bufsize)) 3193 goto err; 3194 3195 if ((con = SSL_new(ctx)) == NULL) 3196 goto err; 3197 #ifndef OPENSSL_NO_TLSEXT 3198 if (s_tlsextdebug) { 3199 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3200 SSL_set_tlsext_debug_arg(con, bio_s_out); 3201 } 3202 #endif 3203 #ifndef OPENSSL_NO_KRB5 3204 if ((kctx = kssl_ctx_new()) != NULL) { 3205 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3206 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3207 } 3208 #endif /* OPENSSL_NO_KRB5 */ 3209 if (context) 3210 SSL_set_session_id_context(con, context, strlen((char *)context)); 3211 3212 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3213 SSL_set_bio(con, sbio, sbio); 3214 SSL_set_accept_state(con); 3215 3216 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3217 BIO_push(io, ssl_bio); 3218 #ifdef CHARSET_EBCDIC 3219 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3220 #endif 3221 3222 if (s_debug) { 3223 SSL_set_debug(con, 1); 3224 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3225 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3226 } 3227 if (s_msg) { 3228 #ifndef OPENSSL_NO_SSL_TRACE 3229 if (s_msg == 2) 3230 SSL_set_msg_callback(con, SSL_trace); 3231 else 3232 #endif 3233 SSL_set_msg_callback(con, msg_cb); 3234 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3235 } 3236 3237 for (;;) { 3238 i = BIO_do_handshake(io); 3239 if (i > 0) 3240 break; 3241 if (!BIO_should_retry(io)) { 3242 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3243 ERR_print_errors(bio_err); 3244 goto end; 3245 } 3246 #ifndef OPENSSL_NO_SRP 3247 if (BIO_should_io_special(io) 3248 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3249 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3250 SRP_user_pwd_free(srp_callback_parm.user); 3251 srp_callback_parm.user = 3252 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3253 srp_callback_parm.login); 3254 if (srp_callback_parm.user) 3255 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3256 srp_callback_parm.user->info); 3257 else 3258 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3259 continue; 3260 } 3261 #endif 3262 } 3263 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3264 print_ssl_summary(bio_err, con); 3265 3266 for (;;) { 3267 i = BIO_gets(io, buf, bufsize - 1); 3268 if (i < 0) { /* error */ 3269 if (!BIO_should_retry(io)) { 3270 if (!s_quiet) 3271 ERR_print_errors(bio_err); 3272 goto err; 3273 } else { 3274 BIO_printf(bio_s_out, "read R BLOCK\n"); 3275 #ifndef OPENSSL_NO_SRP 3276 if (BIO_should_io_special(io) 3277 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3278 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3279 SRP_user_pwd_free(srp_callback_parm.user); 3280 srp_callback_parm.user = 3281 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3282 srp_callback_parm.login); 3283 if (srp_callback_parm.user) 3284 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3285 srp_callback_parm.user->info); 3286 else 3287 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3288 continue; 3289 } 3290 #endif 3291 #if defined(OPENSSL_SYS_NETWARE) 3292 delay(1000); 3293 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3294 sleep(1); 3295 #endif 3296 continue; 3297 } 3298 } else if (i == 0) { /* end of input */ 3299 ret = 1; 3300 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3301 goto end; 3302 } else { 3303 char *p = buf + i - 1; 3304 while (i && (*p == '\n' || *p == '\r')) { 3305 p--; 3306 i--; 3307 } 3308 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3309 ret = 1; 3310 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3311 goto end; 3312 } 3313 BUF_reverse((unsigned char *)buf, NULL, i); 3314 buf[i] = '\n'; 3315 BIO_write(io, buf, i + 1); 3316 for (;;) { 3317 i = BIO_flush(io); 3318 if (i > 0) 3319 break; 3320 if (!BIO_should_retry(io)) 3321 goto end; 3322 } 3323 } 3324 } 3325 end: 3326 /* make sure we re-use sessions */ 3327 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3328 3329 err: 3330 3331 if (buf != NULL) 3332 OPENSSL_free(buf); 3333 if (io != NULL) 3334 BIO_free_all(io); 3335 return (ret); 3336 } 3337 3338 #ifndef OPENSSL_NO_RSA 3339 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3340 { 3341 BIGNUM *bn = NULL; 3342 static RSA *rsa_tmp = NULL; 3343 3344 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3345 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3346 if (!rsa_tmp && bn) { 3347 if (!s_quiet) { 3348 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3349 keylength); 3350 (void)BIO_flush(bio_err); 3351 } 3352 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3353 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3354 if (rsa_tmp) 3355 RSA_free(rsa_tmp); 3356 rsa_tmp = NULL; 3357 } 3358 if (!s_quiet) { 3359 BIO_printf(bio_err, "\n"); 3360 (void)BIO_flush(bio_err); 3361 } 3362 BN_free(bn); 3363 } 3364 return (rsa_tmp); 3365 } 3366 #endif 3367 3368 #define MAX_SESSION_ID_ATTEMPTS 10 3369 static int generate_session_id(const SSL *ssl, unsigned char *id, 3370 unsigned int *id_len) 3371 { 3372 unsigned int count = 0; 3373 do { 3374 if (RAND_pseudo_bytes(id, *id_len) < 0) 3375 return 0; 3376 /* 3377 * Prefix the session_id with the required prefix. NB: If our prefix 3378 * is too long, clip it - but there will be worse effects anyway, eg. 3379 * the server could only possibly create 1 session ID (ie. the 3380 * prefix!) so all future session negotiations will fail due to 3381 * conflicts. 3382 */ 3383 memcpy(id, session_id_prefix, 3384 (strlen(session_id_prefix) < *id_len) ? 3385 strlen(session_id_prefix) : *id_len); 3386 } 3387 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3388 (++count < MAX_SESSION_ID_ATTEMPTS)); 3389 if (count >= MAX_SESSION_ID_ATTEMPTS) 3390 return 0; 3391 return 1; 3392 } 3393 3394 /* 3395 * By default s_server uses an in-memory cache which caches SSL_SESSION 3396 * structures without any serialisation. This hides some bugs which only 3397 * become apparent in deployed servers. By implementing a basic external 3398 * session cache some issues can be debugged using s_server. 3399 */ 3400 3401 typedef struct simple_ssl_session_st { 3402 unsigned char *id; 3403 unsigned int idlen; 3404 unsigned char *der; 3405 int derlen; 3406 struct simple_ssl_session_st *next; 3407 } simple_ssl_session; 3408 3409 static simple_ssl_session *first = NULL; 3410 3411 static int add_session(SSL *ssl, SSL_SESSION *session) 3412 { 3413 simple_ssl_session *sess; 3414 unsigned char *p; 3415 3416 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3417 if (!sess) { 3418 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3419 return 0; 3420 } 3421 3422 SSL_SESSION_get_id(session, &sess->idlen); 3423 sess->derlen = i2d_SSL_SESSION(session, NULL); 3424 3425 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3426 3427 sess->der = OPENSSL_malloc(sess->derlen); 3428 if (!sess->id || !sess->der) { 3429 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3430 3431 if (sess->id) 3432 OPENSSL_free(sess->id); 3433 if (sess->der) 3434 OPENSSL_free(sess->der); 3435 OPENSSL_free(sess); 3436 return 0; 3437 } 3438 p = sess->der; 3439 i2d_SSL_SESSION(session, &p); 3440 3441 sess->next = first; 3442 first = sess; 3443 BIO_printf(bio_err, "New session added to external cache\n"); 3444 return 0; 3445 } 3446 3447 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3448 int *do_copy) 3449 { 3450 simple_ssl_session *sess; 3451 *do_copy = 0; 3452 for (sess = first; sess; sess = sess->next) { 3453 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3454 const unsigned char *p = sess->der; 3455 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3456 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3457 } 3458 } 3459 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3460 return NULL; 3461 } 3462 3463 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3464 { 3465 simple_ssl_session *sess, *prev = NULL; 3466 const unsigned char *id; 3467 unsigned int idlen; 3468 id = SSL_SESSION_get_id(session, &idlen); 3469 for (sess = first; sess; sess = sess->next) { 3470 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3471 if (prev) 3472 prev->next = sess->next; 3473 else 3474 first = sess->next; 3475 OPENSSL_free(sess->id); 3476 OPENSSL_free(sess->der); 3477 OPENSSL_free(sess); 3478 return; 3479 } 3480 prev = sess; 3481 } 3482 } 3483 3484 static void init_session_cache_ctx(SSL_CTX *sctx) 3485 { 3486 SSL_CTX_set_session_cache_mode(sctx, 3487 SSL_SESS_CACHE_NO_INTERNAL | 3488 SSL_SESS_CACHE_SERVER); 3489 SSL_CTX_sess_set_new_cb(sctx, add_session); 3490 SSL_CTX_sess_set_get_cb(sctx, get_session); 3491 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3492 } 3493 3494 static void free_sessions(void) 3495 { 3496 simple_ssl_session *sess, *tsess; 3497 for (sess = first; sess;) { 3498 OPENSSL_free(sess->id); 3499 OPENSSL_free(sess->der); 3500 tsess = sess; 3501 sess = sess->next; 3502 OPENSSL_free(tsess); 3503 } 3504 first = NULL; 3505 } 3506