1 /* apps/s_server.c */ 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) 3 * All rights reserved. 4 * 5 * This package is an SSL implementation written 6 * by Eric Young (eay@cryptsoft.com). 7 * The implementation was written so as to conform with Netscapes SSL. 8 * 9 * This library is free for commercial and non-commercial use as long as 10 * the following conditions are aheared to. The following conditions 11 * apply to all code found in this distribution, be it the RC4, RSA, 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation 13 * included with this distribution is covered by the same copyright terms 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). 15 * 16 * Copyright remains Eric Young's, and as such any Copyright notices in 17 * the code are not to be removed. 18 * If this package is used in a product, Eric Young should be given attribution 19 * as the author of the parts of the library used. 20 * This can be in the form of a textual message at program startup or 21 * in documentation (online or textual) provided with the package. 22 * 23 * Redistribution and use in source and binary forms, with or without 24 * modification, are permitted provided that the following conditions 25 * are met: 26 * 1. Redistributions of source code must retain the copyright 27 * notice, this list of conditions and the following disclaimer. 28 * 2. Redistributions in binary form must reproduce the above copyright 29 * notice, this list of conditions and the following disclaimer in the 30 * documentation and/or other materials provided with the distribution. 31 * 3. All advertising materials mentioning features or use of this software 32 * must display the following acknowledgement: 33 * "This product includes cryptographic software written by 34 * Eric Young (eay@cryptsoft.com)" 35 * The word 'cryptographic' can be left out if the rouines from the library 36 * being used are not cryptographic related :-). 37 * 4. If you include any Windows specific code (or a derivative thereof) from 38 * the apps directory (application code) you must include an acknowledgement: 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" 40 * 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 51 * SUCH DAMAGE. 52 * 53 * The licence and distribution terms for any publically available version or 54 * derivative of this code cannot be changed. i.e. this code cannot simply be 55 * copied and put under another distribution licence 56 * [including the GNU Public Licence.] 57 */ 58 /* ==================================================================== 59 * Copyright (c) 1998-2006 The OpenSSL Project. All rights reserved. 60 * 61 * Redistribution and use in source and binary forms, with or without 62 * modification, are permitted provided that the following conditions 63 * are met: 64 * 65 * 1. Redistributions of source code must retain the above copyright 66 * notice, this list of conditions and the following disclaimer. 67 * 68 * 2. Redistributions in binary form must reproduce the above copyright 69 * notice, this list of conditions and the following disclaimer in 70 * the documentation and/or other materials provided with the 71 * distribution. 72 * 73 * 3. All advertising materials mentioning features or use of this 74 * software must display the following acknowledgment: 75 * "This product includes software developed by the OpenSSL Project 76 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 77 * 78 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 79 * endorse or promote products derived from this software without 80 * prior written permission. For written permission, please contact 81 * openssl-core@openssl.org. 82 * 83 * 5. Products derived from this software may not be called "OpenSSL" 84 * nor may "OpenSSL" appear in their names without prior written 85 * permission of the OpenSSL Project. 86 * 87 * 6. Redistributions of any form whatsoever must retain the following 88 * acknowledgment: 89 * "This product includes software developed by the OpenSSL Project 90 * for use in the OpenSSL Toolkit (http://www.openssl.org/)" 91 * 92 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 93 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 94 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 95 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 96 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 97 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 98 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 99 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 100 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 101 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 102 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 103 * OF THE POSSIBILITY OF SUCH DAMAGE. 104 * ==================================================================== 105 * 106 * This product includes cryptographic software written by Eric Young 107 * (eay@cryptsoft.com). This product includes software written by Tim 108 * Hudson (tjh@cryptsoft.com). 109 * 110 */ 111 /* ==================================================================== 112 * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. 113 * ECC cipher suite support in OpenSSL originally developed by 114 * SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project. 115 */ 116 /* ==================================================================== 117 * Copyright 2005 Nokia. All rights reserved. 118 * 119 * The portions of the attached software ("Contribution") is developed by 120 * Nokia Corporation and is licensed pursuant to the OpenSSL open source 121 * license. 122 * 123 * The Contribution, originally written by Mika Kousa and Pasi Eronen of 124 * Nokia Corporation, consists of the "PSK" (Pre-Shared Key) ciphersuites 125 * support (see RFC 4279) to OpenSSL. 126 * 127 * No patent licenses or other rights except those expressly stated in 128 * the OpenSSL open source license shall be deemed granted or received 129 * expressly, by implication, estoppel, or otherwise. 130 * 131 * No assurances are provided by Nokia that the Contribution does not 132 * infringe the patent or other intellectual property rights of any third 133 * party or that the license provides you with all the necessary rights 134 * to make use of the Contribution. 135 * 136 * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY KIND. IN 137 * ADDITION TO THE DISCLAIMERS INCLUDED IN THE LICENSE, NOKIA 138 * SPECIFICALLY DISCLAIMS ANY LIABILITY FOR CLAIMS BROUGHT BY YOU OR ANY 139 * OTHER ENTITY BASED ON INFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS OR 140 * OTHERWISE. 141 */ 142 143 /* 144 * Until the key-gen callbacks are modified to use newer prototypes, we allow 145 * deprecated functions for openssl-internal code 146 */ 147 #ifdef OPENSSL_NO_DEPRECATED 148 # undef OPENSSL_NO_DEPRECATED 149 #endif 150 151 #include <assert.h> 152 #include <ctype.h> 153 #include <stdio.h> 154 #include <stdlib.h> 155 #include <string.h> 156 157 #include <openssl/e_os2.h> 158 #ifdef OPENSSL_NO_STDIO 159 # define APPS_WIN16 160 #endif 161 162 /* conflicts with winsock2 stuff on netware */ 163 #if !defined(OPENSSL_SYS_NETWARE) 164 # include <sys/types.h> 165 #endif 166 167 /* 168 * With IPv6, it looks like Digital has mixed up the proper order of 169 * recursive header file inclusion, resulting in the compiler complaining 170 * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is 171 * needed to have fileno() declared correctly... So let's define u_int 172 */ 173 #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) 174 # define __U_INT 175 typedef unsigned int u_int; 176 #endif 177 178 #include <openssl/lhash.h> 179 #include <openssl/bn.h> 180 #define USE_SOCKETS 181 #include "apps.h" 182 #include <openssl/err.h> 183 #include <openssl/pem.h> 184 #include <openssl/x509.h> 185 #include <openssl/ssl.h> 186 #include <openssl/rand.h> 187 #include <openssl/ocsp.h> 188 #ifndef OPENSSL_NO_DH 189 # include <openssl/dh.h> 190 #endif 191 #ifndef OPENSSL_NO_RSA 192 # include <openssl/rsa.h> 193 #endif 194 #ifndef OPENSSL_NO_SRP 195 # include <openssl/srp.h> 196 #endif 197 #include "s_apps.h" 198 #include "timeouts.h" 199 200 #if (defined(OPENSSL_SYS_VMS) && __VMS_VER < 70000000) 201 /* FIONBIO used as a switch to enable ioctl, and that isn't in VMS < 7.0 */ 202 # undef FIONBIO 203 #endif 204 205 #if defined(OPENSSL_SYS_BEOS_R5) 206 # include <fcntl.h> 207 #endif 208 209 #ifndef OPENSSL_NO_RSA 210 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 211 #endif 212 static int sv_body(char *hostname, int s, int stype, unsigned char *context); 213 static int www_body(char *hostname, int s, int stype, unsigned char *context); 214 static int rev_body(char *hostname, int s, int stype, unsigned char *context); 215 static void close_accept_socket(void); 216 static void sv_usage(void); 217 static int init_ssl_connection(SSL *s); 218 static void print_stats(BIO *bp, SSL_CTX *ctx); 219 static int generate_session_id(const SSL *ssl, unsigned char *id, 220 unsigned int *id_len); 221 static void init_session_cache_ctx(SSL_CTX *sctx); 222 static void free_sessions(void); 223 #ifndef OPENSSL_NO_DH 224 static DH *load_dh_param(const char *dhfile); 225 static DH *get_dh2048(void); 226 #endif 227 228 #ifdef MONOLITH 229 static void s_server_init(void); 230 #endif 231 232 #ifndef OPENSSL_NO_DH 233 static unsigned char dh2048_p[] = { 234 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6, 235 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1, 236 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9, 237 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD, 238 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17, 239 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F, 240 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD, 241 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30, 242 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E, 243 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4, 244 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58, 245 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B, 246 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C, 247 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B, 248 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD, 249 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C, 250 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C, 251 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29, 252 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B, 253 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C, 254 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55, 255 0xE9,0x32,0x0B,0x3B, 256 }; 257 258 static unsigned char dh2048_g[] = { 259 0x02, 260 }; 261 262 DH *get_dh2048() 263 { 264 DH *dh; 265 266 if ((dh = DH_new()) == NULL) 267 return NULL; 268 dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL); 269 dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL); 270 if (dh->p == NULL || dh->g == NULL) { 271 DH_free(dh); 272 return NULL; 273 } 274 return dh; 275 } 276 #endif 277 278 /* static int load_CA(SSL_CTX *ctx, char *file);*/ 279 280 #undef BUFSIZZ 281 #define BUFSIZZ 16*1024 282 static int bufsize = BUFSIZZ; 283 static int accept_socket = -1; 284 285 #define TEST_CERT "server.pem" 286 #ifndef OPENSSL_NO_TLSEXT 287 # define TEST_CERT2 "server2.pem" 288 #endif 289 #undef PROG 290 #define PROG s_server_main 291 292 extern int verify_depth, verify_return_error, verify_quiet; 293 294 static int s_server_verify = SSL_VERIFY_NONE; 295 static int s_server_session_id_context = 1; /* anything will do */ 296 static const char *s_cert_file = TEST_CERT, *s_key_file = 297 NULL, *s_chain_file = NULL; 298 #ifndef OPENSSL_NO_TLSEXT 299 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 300 #endif 301 static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 302 #ifdef FIONBIO 303 static int s_nbio = 0; 304 #endif 305 static int s_nbio_test = 0; 306 int s_crlf = 0; 307 static SSL_CTX *ctx = NULL; 308 #ifndef OPENSSL_NO_TLSEXT 309 static SSL_CTX *ctx2 = NULL; 310 #endif 311 static int www = 0; 312 313 static BIO *bio_s_out = NULL; 314 static BIO *bio_s_msg = NULL; 315 static int s_debug = 0; 316 #ifndef OPENSSL_NO_TLSEXT 317 static int s_tlsextdebug = 0; 318 static int s_tlsextstatus = 0; 319 static int cert_status_cb(SSL *s, void *arg); 320 #endif 321 static int no_resume_ephemeral = 0; 322 static int s_msg = 0; 323 static int s_quiet = 0; 324 static int s_ign_eof = 0; 325 static int s_brief = 0; 326 327 static char *keymatexportlabel = NULL; 328 static int keymatexportlen = 20; 329 330 static int hack = 0; 331 #ifndef OPENSSL_NO_ENGINE 332 static char *engine_id = NULL; 333 #endif 334 static const char *session_id_prefix = NULL; 335 336 static int enable_timeouts = 0; 337 static long socket_mtu; 338 #ifndef OPENSSL_NO_DTLS1 339 static int cert_chain = 0; 340 #endif 341 342 #ifndef OPENSSL_NO_TLSEXT 343 static BIO *serverinfo_in = NULL; 344 static const char *s_serverinfo_file = NULL; 345 346 #endif 347 348 #ifndef OPENSSL_NO_PSK 349 static char *psk_identity = "Client_identity"; 350 char *psk_key = NULL; /* by default PSK is not used */ 351 352 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 353 unsigned char *psk, 354 unsigned int max_psk_len) 355 { 356 unsigned int psk_len = 0; 357 int ret; 358 BIGNUM *bn = NULL; 359 360 if (s_debug) 361 BIO_printf(bio_s_out, "psk_server_cb\n"); 362 if (!identity) { 363 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 364 goto out_err; 365 } 366 if (s_debug) 367 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 368 (int)strlen(identity), identity); 369 370 /* here we could lookup the given identity e.g. from a database */ 371 if (strcmp(identity, psk_identity) != 0) { 372 BIO_printf(bio_s_out, "PSK error: client identity not found" 373 " (got '%s' expected '%s')\n", identity, psk_identity); 374 goto out_err; 375 } 376 if (s_debug) 377 BIO_printf(bio_s_out, "PSK client identity found\n"); 378 379 /* convert the PSK key to binary */ 380 ret = BN_hex2bn(&bn, psk_key); 381 if (!ret) { 382 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 383 psk_key); 384 if (bn) 385 BN_free(bn); 386 return 0; 387 } 388 if (BN_num_bytes(bn) > (int)max_psk_len) { 389 BIO_printf(bio_err, 390 "psk buffer of callback is too small (%d) for key (%d)\n", 391 max_psk_len, BN_num_bytes(bn)); 392 BN_free(bn); 393 return 0; 394 } 395 396 ret = BN_bn2bin(bn, psk); 397 BN_free(bn); 398 399 if (ret < 0) 400 goto out_err; 401 psk_len = (unsigned int)ret; 402 403 if (s_debug) 404 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 405 return psk_len; 406 out_err: 407 if (s_debug) 408 BIO_printf(bio_err, "Error in PSK server callback\n"); 409 return 0; 410 } 411 #endif 412 413 #ifndef OPENSSL_NO_SRP 414 /* This is a context that we pass to callbacks */ 415 typedef struct srpsrvparm_st { 416 char *login; 417 SRP_VBASE *vb; 418 SRP_user_pwd *user; 419 } srpsrvparm; 420 421 /* 422 * This callback pretends to require some asynchronous logic in order to 423 * obtain a verifier. When the callback is called for a new connection we 424 * return with a negative value. This will provoke the accept etc to return 425 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 426 * (which would normally occur after a worker has finished) and we set the 427 * user parameters. 428 */ 429 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 430 { 431 srpsrvparm *p = (srpsrvparm *) arg; 432 if (p->login == NULL && p->user == NULL) { 433 p->login = SSL_get_srp_username(s); 434 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 435 return (-1); 436 } 437 438 if (p->user == NULL) { 439 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 440 return SSL3_AL_FATAL; 441 } 442 if (SSL_set_srp_server_param 443 (s, p->user->N, p->user->g, p->user->s, p->user->v, 444 p->user->info) < 0) { 445 *ad = SSL_AD_INTERNAL_ERROR; 446 return SSL3_AL_FATAL; 447 } 448 BIO_printf(bio_err, 449 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 450 p->login, p->user->info); 451 /* need to check whether there are memory leaks */ 452 p->user = NULL; 453 p->login = NULL; 454 return SSL_ERROR_NONE; 455 } 456 457 #endif 458 459 #ifdef MONOLITH 460 static void s_server_init(void) 461 { 462 accept_socket = -1; 463 s_server_verify = SSL_VERIFY_NONE; 464 s_dcert_file = NULL; 465 s_dkey_file = NULL; 466 s_dchain_file = NULL; 467 s_cert_file = TEST_CERT; 468 s_key_file = NULL; 469 s_chain_file = NULL; 470 # ifndef OPENSSL_NO_TLSEXT 471 s_cert_file2 = TEST_CERT2; 472 s_key_file2 = NULL; 473 ctx2 = NULL; 474 # endif 475 # ifdef FIONBIO 476 s_nbio = 0; 477 # endif 478 s_nbio_test = 0; 479 ctx = NULL; 480 www = 0; 481 482 bio_s_out = NULL; 483 s_debug = 0; 484 s_msg = 0; 485 s_quiet = 0; 486 s_brief = 0; 487 hack = 0; 488 # ifndef OPENSSL_NO_ENGINE 489 engine_id = NULL; 490 # endif 491 } 492 #endif 493 494 static void sv_usage(void) 495 { 496 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 497 BIO_printf(bio_err, "\n"); 498 BIO_printf(bio_err, 499 " -accept arg - port to accept on (default is %d)\n", PORT); 500 BIO_printf(bio_err, 501 " -verify_hostname host - check peer certificate matches \"host\"\n"); 502 BIO_printf(bio_err, 503 " -verify_email email - check peer certificate matches \"email\"\n"); 504 BIO_printf(bio_err, 505 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 506 BIO_printf(bio_err, " -context arg - set session ID context\n"); 507 BIO_printf(bio_err, 508 " -verify arg - turn on peer certificate verification\n"); 509 BIO_printf(bio_err, 510 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 511 BIO_printf(bio_err, 512 " -verify_return_error - return verification errors\n"); 513 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 514 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 515 #ifndef OPENSSL_NO_TLSEXT 516 BIO_printf(bio_err, 517 " -serverinfo arg - PEM serverinfo file for certificate\n"); 518 BIO_printf(bio_err, 519 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); 520 BIO_printf(bio_err, 521 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); 522 #endif 523 BIO_printf(bio_err, 524 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); 525 BIO_printf(bio_err, 526 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 527 " The CRL(s) are appended to the certificate file\n"); 528 BIO_printf(bio_err, 529 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 530 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 531 " the certificate file.\n"); 532 BIO_printf(bio_err, 533 " -certform arg - certificate format (PEM or DER) PEM default\n"); 534 BIO_printf(bio_err, 535 " -key arg - Private Key file to use, in cert file if\n"); 536 BIO_printf(bio_err, " not specified (default is %s)\n", 537 TEST_CERT); 538 BIO_printf(bio_err, 539 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 540 BIO_printf(bio_err, 541 " -pass arg - private key file pass phrase source\n"); 542 BIO_printf(bio_err, 543 " -dcert arg - second certificate file to use (usually for DSA)\n"); 544 BIO_printf(bio_err, 545 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 546 BIO_printf(bio_err, 547 " -dkey arg - second private key file to use (usually for DSA)\n"); 548 BIO_printf(bio_err, 549 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 550 BIO_printf(bio_err, 551 " -dpass arg - second private key file pass phrase source\n"); 552 BIO_printf(bio_err, 553 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 554 BIO_printf(bio_err, 555 " or a default set of parameters is used\n"); 556 #ifndef OPENSSL_NO_ECDH 557 BIO_printf(bio_err, 558 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 559 " Use \"openssl ecparam -list_curves\" for all names\n" 560 " (default is nistp256).\n"); 561 #endif 562 #ifdef FIONBIO 563 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 564 #endif 565 BIO_printf(bio_err, 566 " -nbio_test - test with the non-blocking test bio\n"); 567 BIO_printf(bio_err, 568 " -crlf - convert LF from terminal into CRLF\n"); 569 BIO_printf(bio_err, " -debug - Print more output\n"); 570 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 571 BIO_printf(bio_err, " -state - Print the SSL states\n"); 572 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 573 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 574 BIO_printf(bio_err, 575 " -no_alt_chains - only ever use the first certificate chain found\n"); 576 BIO_printf(bio_err, 577 " -nocert - Don't use any certificates (Anon-DH)\n"); 578 BIO_printf(bio_err, 579 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 580 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 581 BIO_printf(bio_err, " -quiet - No server output\n"); 582 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 583 #ifndef OPENSSL_NO_PSK 584 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 585 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 586 # ifndef OPENSSL_NO_JPAKE 587 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 588 # endif 589 #endif 590 #ifndef OPENSSL_NO_SRP 591 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 592 BIO_printf(bio_err, 593 " -srpuserseed string - A seed string for a default user salt.\n"); 594 #endif 595 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 596 #ifndef OPENSSL_NO_SSL3_METHOD 597 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 598 #endif 599 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 600 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 601 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 602 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 603 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n"); 604 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 605 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 606 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 607 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 608 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 609 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 610 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 611 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 612 #ifndef OPENSSL_NO_DH 613 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 614 #endif 615 #ifndef OPENSSL_NO_ECDH 616 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 617 #endif 618 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 619 BIO_printf(bio_err, 620 " -hack - workaround for early Netscape code\n"); 621 BIO_printf(bio_err, 622 " -www - Respond to a 'GET /' with a status page\n"); 623 BIO_printf(bio_err, 624 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 625 BIO_printf(bio_err, 626 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 627 BIO_printf(bio_err, 628 " with the assumption it contains a complete HTTP response.\n"); 629 #ifndef OPENSSL_NO_ENGINE 630 BIO_printf(bio_err, 631 " -engine id - Initialise and use the specified engine\n"); 632 #endif 633 BIO_printf(bio_err, 634 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 635 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 636 LIST_SEPARATOR_CHAR); 637 #ifndef OPENSSL_NO_TLSEXT 638 BIO_printf(bio_err, 639 " -servername host - servername for HostName TLS extension\n"); 640 BIO_printf(bio_err, 641 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 642 BIO_printf(bio_err, 643 " -cert2 arg - certificate file to use for servername\n"); 644 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 645 BIO_printf(bio_err, 646 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 647 BIO_printf(bio_err, " not specified (default is %s)\n", 648 TEST_CERT2); 649 BIO_printf(bio_err, 650 " -tlsextdebug - hex dump of all TLS extensions received\n"); 651 BIO_printf(bio_err, 652 " -no_ticket - disable use of RFC4507bis session tickets\n"); 653 BIO_printf(bio_err, 654 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 655 BIO_printf(bio_err, 656 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); 657 BIO_printf(bio_err, 658 " -client_sigalgs arg - Signature algorithms to support for client \n"); 659 BIO_printf(bio_err, 660 " certificate authentication (colon-separated list)\n"); 661 # ifndef OPENSSL_NO_NEXTPROTONEG 662 BIO_printf(bio_err, 663 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 664 # endif 665 # ifndef OPENSSL_NO_SRTP 666 BIO_printf(bio_err, 667 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 668 # endif 669 BIO_printf(bio_err, 670 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); 671 #endif 672 BIO_printf(bio_err, 673 " -keymatexport label - Export keying material using label\n"); 674 BIO_printf(bio_err, 675 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 676 BIO_printf(bio_err, 677 " -status - respond to certificate status requests\n"); 678 BIO_printf(bio_err, 679 " -status_verbose - enable status request verbose printout\n"); 680 BIO_printf(bio_err, 681 " -status_timeout n - status request responder timeout\n"); 682 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 683 } 684 685 static int local_argc = 0; 686 static char **local_argv; 687 688 #ifdef CHARSET_EBCDIC 689 static int ebcdic_new(BIO *bi); 690 static int ebcdic_free(BIO *a); 691 static int ebcdic_read(BIO *b, char *out, int outl); 692 static int ebcdic_write(BIO *b, const char *in, int inl); 693 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 694 static int ebcdic_gets(BIO *bp, char *buf, int size); 695 static int ebcdic_puts(BIO *bp, const char *str); 696 697 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 698 static BIO_METHOD methods_ebcdic = { 699 BIO_TYPE_EBCDIC_FILTER, 700 "EBCDIC/ASCII filter", 701 ebcdic_write, 702 ebcdic_read, 703 ebcdic_puts, 704 ebcdic_gets, 705 ebcdic_ctrl, 706 ebcdic_new, 707 ebcdic_free, 708 }; 709 710 typedef struct { 711 size_t alloced; 712 char buff[1]; 713 } EBCDIC_OUTBUFF; 714 715 BIO_METHOD *BIO_f_ebcdic_filter() 716 { 717 return (&methods_ebcdic); 718 } 719 720 static int ebcdic_new(BIO *bi) 721 { 722 EBCDIC_OUTBUFF *wbuf; 723 724 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 725 if (!wbuf) 726 return 0; 727 wbuf->alloced = 1024; 728 wbuf->buff[0] = '\0'; 729 730 bi->ptr = (char *)wbuf; 731 bi->init = 1; 732 bi->flags = 0; 733 return (1); 734 } 735 736 static int ebcdic_free(BIO *a) 737 { 738 if (a == NULL) 739 return (0); 740 if (a->ptr != NULL) 741 OPENSSL_free(a->ptr); 742 a->ptr = NULL; 743 a->init = 0; 744 a->flags = 0; 745 return (1); 746 } 747 748 static int ebcdic_read(BIO *b, char *out, int outl) 749 { 750 int ret = 0; 751 752 if (out == NULL || outl == 0) 753 return (0); 754 if (b->next_bio == NULL) 755 return (0); 756 757 ret = BIO_read(b->next_bio, out, outl); 758 if (ret > 0) 759 ascii2ebcdic(out, out, ret); 760 return (ret); 761 } 762 763 static int ebcdic_write(BIO *b, const char *in, int inl) 764 { 765 EBCDIC_OUTBUFF *wbuf; 766 int ret = 0; 767 int num; 768 unsigned char n; 769 770 if ((in == NULL) || (inl <= 0)) 771 return (0); 772 if (b->next_bio == NULL) 773 return (0); 774 775 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 776 777 if (inl > (num = wbuf->alloced)) { 778 num = num + num; /* double the size */ 779 if (num < inl) 780 num = inl; 781 wbuf = 782 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 783 if (!wbuf) 784 return 0; 785 OPENSSL_free(b->ptr); 786 787 wbuf->alloced = num; 788 wbuf->buff[0] = '\0'; 789 790 b->ptr = (char *)wbuf; 791 } 792 793 ebcdic2ascii(wbuf->buff, in, inl); 794 795 ret = BIO_write(b->next_bio, wbuf->buff, inl); 796 797 return (ret); 798 } 799 800 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 801 { 802 long ret; 803 804 if (b->next_bio == NULL) 805 return (0); 806 switch (cmd) { 807 case BIO_CTRL_DUP: 808 ret = 0L; 809 break; 810 default: 811 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 812 break; 813 } 814 return (ret); 815 } 816 817 static int ebcdic_gets(BIO *bp, char *buf, int size) 818 { 819 int i, ret = 0; 820 if (bp->next_bio == NULL) 821 return (0); 822 /* return(BIO_gets(bp->next_bio,buf,size));*/ 823 for (i = 0; i < size - 1; ++i) { 824 ret = ebcdic_read(bp, &buf[i], 1); 825 if (ret <= 0) 826 break; 827 else if (buf[i] == '\n') { 828 ++i; 829 break; 830 } 831 } 832 if (i < size) 833 buf[i] = '\0'; 834 return (ret < 0 && i == 0) ? ret : i; 835 } 836 837 static int ebcdic_puts(BIO *bp, const char *str) 838 { 839 if (bp->next_bio == NULL) 840 return (0); 841 return ebcdic_write(bp, str, strlen(str)); 842 } 843 #endif 844 845 #ifndef OPENSSL_NO_TLSEXT 846 847 /* This is a context that we pass to callbacks */ 848 typedef struct tlsextctx_st { 849 char *servername; 850 BIO *biodebug; 851 int extension_error; 852 } tlsextctx; 853 854 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 855 { 856 tlsextctx *p = (tlsextctx *) arg; 857 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 858 if (servername && p->biodebug) 859 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 860 servername); 861 862 if (!p->servername) 863 return SSL_TLSEXT_ERR_NOACK; 864 865 if (servername) { 866 if (strcasecmp(servername, p->servername)) 867 return p->extension_error; 868 if (ctx2) { 869 BIO_printf(p->biodebug, "Switching server context.\n"); 870 SSL_set_SSL_CTX(s, ctx2); 871 } 872 } 873 return SSL_TLSEXT_ERR_OK; 874 } 875 876 /* Structure passed to cert status callback */ 877 878 typedef struct tlsextstatusctx_st { 879 /* Default responder to use */ 880 char *host, *path, *port; 881 int use_ssl; 882 int timeout; 883 BIO *err; 884 int verbose; 885 } tlsextstatusctx; 886 887 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 888 889 /* 890 * Certificate Status callback. This is called when a client includes a 891 * certificate status request extension. This is a simplified version. It 892 * examines certificates each time and makes one OCSP responder query for 893 * each request. A full version would store details such as the OCSP 894 * certificate IDs and minimise the number of OCSP responses by caching them 895 * until they were considered "expired". 896 */ 897 898 static int cert_status_cb(SSL *s, void *arg) 899 { 900 tlsextstatusctx *srctx = arg; 901 BIO *err = srctx->err; 902 char *host, *port, *path; 903 int use_ssl; 904 unsigned char *rspder = NULL; 905 int rspderlen; 906 STACK_OF(OPENSSL_STRING) *aia = NULL; 907 X509 *x = NULL; 908 X509_STORE_CTX inctx; 909 X509_OBJECT obj; 910 OCSP_REQUEST *req = NULL; 911 OCSP_RESPONSE *resp = NULL; 912 OCSP_CERTID *id = NULL; 913 STACK_OF(X509_EXTENSION) *exts; 914 int ret = SSL_TLSEXT_ERR_NOACK; 915 int i; 916 # if 0 917 STACK_OF(OCSP_RESPID) *ids; 918 SSL_get_tlsext_status_ids(s, &ids); 919 BIO_printf(err, "cert_status: received %d ids\n", 920 sk_OCSP_RESPID_num(ids)); 921 # endif 922 if (srctx->verbose) 923 BIO_puts(err, "cert_status: callback called\n"); 924 /* Build up OCSP query from server certificate */ 925 x = SSL_get_certificate(s); 926 aia = X509_get1_ocsp(x); 927 if (aia) { 928 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 929 &host, &port, &path, &use_ssl)) { 930 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 931 goto err; 932 } 933 if (srctx->verbose) 934 BIO_printf(err, "cert_status: AIA URL: %s\n", 935 sk_OPENSSL_STRING_value(aia, 0)); 936 } else { 937 if (!srctx->host) { 938 BIO_puts(srctx->err, 939 "cert_status: no AIA and no default responder URL\n"); 940 goto done; 941 } 942 host = srctx->host; 943 path = srctx->path; 944 port = srctx->port; 945 use_ssl = srctx->use_ssl; 946 } 947 948 if (!X509_STORE_CTX_init(&inctx, 949 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 950 NULL, NULL)) 951 goto err; 952 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 953 X509_get_issuer_name(x), &obj) <= 0) { 954 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 955 X509_STORE_CTX_cleanup(&inctx); 956 goto done; 957 } 958 req = OCSP_REQUEST_new(); 959 if (!req) 960 goto err; 961 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 962 X509_free(obj.data.x509); 963 X509_STORE_CTX_cleanup(&inctx); 964 if (!id) 965 goto err; 966 if (!OCSP_request_add0_id(req, id)) 967 goto err; 968 id = NULL; 969 /* Add any extensions to the request */ 970 SSL_get_tlsext_status_exts(s, &exts); 971 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 972 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 973 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 974 goto err; 975 } 976 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 977 srctx->timeout); 978 if (!resp) { 979 BIO_puts(err, "cert_status: error querying responder\n"); 980 goto done; 981 } 982 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 983 if (rspderlen <= 0) 984 goto err; 985 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 986 if (srctx->verbose) { 987 BIO_puts(err, "cert_status: ocsp response sent:\n"); 988 OCSP_RESPONSE_print(err, resp, 2); 989 } 990 ret = SSL_TLSEXT_ERR_OK; 991 done: 992 if (ret != SSL_TLSEXT_ERR_OK) 993 ERR_print_errors(err); 994 if (aia) { 995 OPENSSL_free(host); 996 OPENSSL_free(path); 997 OPENSSL_free(port); 998 X509_email_free(aia); 999 } 1000 if (id) 1001 OCSP_CERTID_free(id); 1002 if (req) 1003 OCSP_REQUEST_free(req); 1004 if (resp) 1005 OCSP_RESPONSE_free(resp); 1006 return ret; 1007 err: 1008 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 1009 goto done; 1010 } 1011 1012 # ifndef OPENSSL_NO_NEXTPROTONEG 1013 /* This is the context that we pass to next_proto_cb */ 1014 typedef struct tlsextnextprotoctx_st { 1015 unsigned char *data; 1016 unsigned int len; 1017 } tlsextnextprotoctx; 1018 1019 static int next_proto_cb(SSL *s, const unsigned char **data, 1020 unsigned int *len, void *arg) 1021 { 1022 tlsextnextprotoctx *next_proto = arg; 1023 1024 *data = next_proto->data; 1025 *len = next_proto->len; 1026 1027 return SSL_TLSEXT_ERR_OK; 1028 } 1029 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 1030 1031 /* This the context that we pass to alpn_cb */ 1032 typedef struct tlsextalpnctx_st { 1033 unsigned char *data; 1034 unsigned short len; 1035 } tlsextalpnctx; 1036 1037 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 1038 const unsigned char *in, unsigned int inlen, void *arg) 1039 { 1040 tlsextalpnctx *alpn_ctx = arg; 1041 1042 if (!s_quiet) { 1043 /* We can assume that |in| is syntactically valid. */ 1044 unsigned i; 1045 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 1046 for (i = 0; i < inlen;) { 1047 if (i) 1048 BIO_write(bio_s_out, ", ", 2); 1049 BIO_write(bio_s_out, &in[i + 1], in[i]); 1050 i += in[i] + 1; 1051 } 1052 BIO_write(bio_s_out, "\n", 1); 1053 } 1054 1055 if (SSL_select_next_proto 1056 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 1057 inlen) != OPENSSL_NPN_NEGOTIATED) { 1058 return SSL_TLSEXT_ERR_NOACK; 1059 } 1060 1061 if (!s_quiet) { 1062 BIO_printf(bio_s_out, "ALPN protocols selected: "); 1063 BIO_write(bio_s_out, *out, *outlen); 1064 BIO_write(bio_s_out, "\n", 1); 1065 } 1066 1067 return SSL_TLSEXT_ERR_OK; 1068 } 1069 #endif /* ndef OPENSSL_NO_TLSEXT */ 1070 1071 int MAIN(int, char **); 1072 1073 #ifndef OPENSSL_NO_JPAKE 1074 static char *jpake_secret = NULL; 1075 # define no_jpake !jpake_secret 1076 #else 1077 # define no_jpake 1 1078 #endif 1079 #ifndef OPENSSL_NO_SRP 1080 static srpsrvparm srp_callback_parm; 1081 #endif 1082 #ifndef OPENSSL_NO_SRTP 1083 static char *srtp_profiles = NULL; 1084 #endif 1085 1086 int MAIN(int argc, char *argv[]) 1087 { 1088 X509_VERIFY_PARAM *vpm = NULL; 1089 int badarg = 0; 1090 short port = PORT; 1091 char *CApath = NULL, *CAfile = NULL; 1092 char *chCApath = NULL, *chCAfile = NULL; 1093 char *vfyCApath = NULL, *vfyCAfile = NULL; 1094 unsigned char *context = NULL; 1095 char *dhfile = NULL; 1096 int badop = 0; 1097 int ret = 1; 1098 int build_chain = 0; 1099 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; 1100 int state = 0; 1101 const SSL_METHOD *meth = NULL; 1102 int socket_type = SOCK_STREAM; 1103 ENGINE *e = NULL; 1104 char *inrand = NULL; 1105 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1106 char *passarg = NULL, *pass = NULL; 1107 char *dpassarg = NULL, *dpass = NULL; 1108 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1109 X509 *s_cert = NULL, *s_dcert = NULL; 1110 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1111 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1112 int no_cache = 0, ext_cache = 0; 1113 int rev = 0, naccept = -1; 1114 #ifndef OPENSSL_NO_TLSEXT 1115 EVP_PKEY *s_key2 = NULL; 1116 X509 *s_cert2 = NULL; 1117 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1118 # ifndef OPENSSL_NO_NEXTPROTONEG 1119 const char *next_proto_neg_in = NULL; 1120 tlsextnextprotoctx next_proto = { NULL, 0 }; 1121 # endif 1122 const char *alpn_in = NULL; 1123 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1124 #endif 1125 #ifndef OPENSSL_NO_PSK 1126 /* by default do not send a PSK identity hint */ 1127 static char *psk_identity_hint = NULL; 1128 #endif 1129 #ifndef OPENSSL_NO_SRP 1130 char *srpuserseed = NULL; 1131 char *srp_verifier_file = NULL; 1132 #endif 1133 SSL_EXCERT *exc = NULL; 1134 SSL_CONF_CTX *cctx = NULL; 1135 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1136 1137 char *crl_file = NULL; 1138 int crl_format = FORMAT_PEM; 1139 int crl_download = 0; 1140 STACK_OF(X509_CRL) *crls = NULL; 1141 1142 meth = SSLv23_server_method(); 1143 1144 local_argc = argc; 1145 local_argv = argv; 1146 1147 apps_startup(); 1148 #ifdef MONOLITH 1149 s_server_init(); 1150 #endif 1151 1152 if (bio_err == NULL) 1153 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1154 1155 if (!load_config(bio_err, NULL)) 1156 goto end; 1157 1158 cctx = SSL_CONF_CTX_new(); 1159 if (!cctx) 1160 goto end; 1161 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); 1162 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 1163 1164 verify_depth = 0; 1165 #ifdef FIONBIO 1166 s_nbio = 0; 1167 #endif 1168 s_nbio_test = 0; 1169 1170 argc--; 1171 argv++; 1172 1173 while (argc >= 1) { 1174 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1175 if (--argc < 1) 1176 goto bad; 1177 if (!extract_port(*(++argv), &port)) 1178 goto bad; 1179 } else if (strcmp(*argv, "-naccept") == 0) { 1180 if (--argc < 1) 1181 goto bad; 1182 naccept = atol(*(++argv)); 1183 if (naccept <= 0) { 1184 BIO_printf(bio_err, "bad accept value %s\n", *argv); 1185 goto bad; 1186 } 1187 } else if (strcmp(*argv, "-verify") == 0) { 1188 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1189 if (--argc < 1) 1190 goto bad; 1191 verify_depth = atoi(*(++argv)); 1192 if (!s_quiet) 1193 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1194 } else if (strcmp(*argv, "-Verify") == 0) { 1195 s_server_verify = 1196 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1197 SSL_VERIFY_CLIENT_ONCE; 1198 if (--argc < 1) 1199 goto bad; 1200 verify_depth = atoi(*(++argv)); 1201 if (!s_quiet) 1202 BIO_printf(bio_err, 1203 "verify depth is %d, must return a certificate\n", 1204 verify_depth); 1205 } else if (strcmp(*argv, "-context") == 0) { 1206 if (--argc < 1) 1207 goto bad; 1208 context = (unsigned char *)*(++argv); 1209 } else if (strcmp(*argv, "-cert") == 0) { 1210 if (--argc < 1) 1211 goto bad; 1212 s_cert_file = *(++argv); 1213 } else if (strcmp(*argv, "-CRL") == 0) { 1214 if (--argc < 1) 1215 goto bad; 1216 crl_file = *(++argv); 1217 } else if (strcmp(*argv, "-crl_download") == 0) 1218 crl_download = 1; 1219 #ifndef OPENSSL_NO_TLSEXT 1220 else if (strcmp(*argv, "-serverinfo") == 0) { 1221 if (--argc < 1) 1222 goto bad; 1223 s_serverinfo_file = *(++argv); 1224 } 1225 #endif 1226 else if (strcmp(*argv, "-certform") == 0) { 1227 if (--argc < 1) 1228 goto bad; 1229 s_cert_format = str2fmt(*(++argv)); 1230 } else if (strcmp(*argv, "-key") == 0) { 1231 if (--argc < 1) 1232 goto bad; 1233 s_key_file = *(++argv); 1234 } else if (strcmp(*argv, "-keyform") == 0) { 1235 if (--argc < 1) 1236 goto bad; 1237 s_key_format = str2fmt(*(++argv)); 1238 } else if (strcmp(*argv, "-pass") == 0) { 1239 if (--argc < 1) 1240 goto bad; 1241 passarg = *(++argv); 1242 } else if (strcmp(*argv, "-cert_chain") == 0) { 1243 if (--argc < 1) 1244 goto bad; 1245 s_chain_file = *(++argv); 1246 } else if (strcmp(*argv, "-dhparam") == 0) { 1247 if (--argc < 1) 1248 goto bad; 1249 dhfile = *(++argv); 1250 } else if (strcmp(*argv, "-dcertform") == 0) { 1251 if (--argc < 1) 1252 goto bad; 1253 s_dcert_format = str2fmt(*(++argv)); 1254 } else if (strcmp(*argv, "-dcert") == 0) { 1255 if (--argc < 1) 1256 goto bad; 1257 s_dcert_file = *(++argv); 1258 } else if (strcmp(*argv, "-dkeyform") == 0) { 1259 if (--argc < 1) 1260 goto bad; 1261 s_dkey_format = str2fmt(*(++argv)); 1262 } else if (strcmp(*argv, "-dpass") == 0) { 1263 if (--argc < 1) 1264 goto bad; 1265 dpassarg = *(++argv); 1266 } else if (strcmp(*argv, "-dkey") == 0) { 1267 if (--argc < 1) 1268 goto bad; 1269 s_dkey_file = *(++argv); 1270 } else if (strcmp(*argv, "-dcert_chain") == 0) { 1271 if (--argc < 1) 1272 goto bad; 1273 s_dchain_file = *(++argv); 1274 } else if (strcmp(*argv, "-nocert") == 0) { 1275 nocert = 1; 1276 } else if (strcmp(*argv, "-CApath") == 0) { 1277 if (--argc < 1) 1278 goto bad; 1279 CApath = *(++argv); 1280 } else if (strcmp(*argv, "-chainCApath") == 0) { 1281 if (--argc < 1) 1282 goto bad; 1283 chCApath = *(++argv); 1284 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1285 if (--argc < 1) 1286 goto bad; 1287 vfyCApath = *(++argv); 1288 } else if (strcmp(*argv, "-no_cache") == 0) 1289 no_cache = 1; 1290 else if (strcmp(*argv, "-ext_cache") == 0) 1291 ext_cache = 1; 1292 else if (strcmp(*argv, "-CRLform") == 0) { 1293 if (--argc < 1) 1294 goto bad; 1295 crl_format = str2fmt(*(++argv)); 1296 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1297 if (badarg) 1298 goto bad; 1299 continue; 1300 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 1301 if (badarg) 1302 goto bad; 1303 continue; 1304 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args)) { 1305 if (badarg) 1306 goto bad; 1307 continue; 1308 } else if (strcmp(*argv, "-verify_return_error") == 0) 1309 verify_return_error = 1; 1310 else if (strcmp(*argv, "-verify_quiet") == 0) 1311 verify_quiet = 1; 1312 else if (strcmp(*argv, "-build_chain") == 0) 1313 build_chain = 1; 1314 else if (strcmp(*argv, "-CAfile") == 0) { 1315 if (--argc < 1) 1316 goto bad; 1317 CAfile = *(++argv); 1318 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1319 if (--argc < 1) 1320 goto bad; 1321 chCAfile = *(++argv); 1322 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1323 if (--argc < 1) 1324 goto bad; 1325 vfyCAfile = *(++argv); 1326 } 1327 #ifdef FIONBIO 1328 else if (strcmp(*argv, "-nbio") == 0) { 1329 s_nbio = 1; 1330 } 1331 #endif 1332 else if (strcmp(*argv, "-nbio_test") == 0) { 1333 #ifdef FIONBIO 1334 s_nbio = 1; 1335 #endif 1336 s_nbio_test = 1; 1337 } else if (strcmp(*argv, "-ign_eof") == 0) 1338 s_ign_eof = 1; 1339 else if (strcmp(*argv, "-no_ign_eof") == 0) 1340 s_ign_eof = 0; 1341 else if (strcmp(*argv, "-debug") == 0) { 1342 s_debug = 1; 1343 } 1344 #ifndef OPENSSL_NO_TLSEXT 1345 else if (strcmp(*argv, "-tlsextdebug") == 0) 1346 s_tlsextdebug = 1; 1347 else if (strcmp(*argv, "-status") == 0) 1348 s_tlsextstatus = 1; 1349 else if (strcmp(*argv, "-status_verbose") == 0) { 1350 s_tlsextstatus = 1; 1351 tlscstatp.verbose = 1; 1352 } else if (!strcmp(*argv, "-status_timeout")) { 1353 s_tlsextstatus = 1; 1354 if (--argc < 1) 1355 goto bad; 1356 tlscstatp.timeout = atoi(*(++argv)); 1357 } else if (!strcmp(*argv, "-status_url")) { 1358 s_tlsextstatus = 1; 1359 if (--argc < 1) 1360 goto bad; 1361 if (!OCSP_parse_url(*(++argv), 1362 &tlscstatp.host, 1363 &tlscstatp.port, 1364 &tlscstatp.path, &tlscstatp.use_ssl)) { 1365 BIO_printf(bio_err, "Error parsing URL\n"); 1366 goto bad; 1367 } 1368 } 1369 #endif 1370 else if (strcmp(*argv, "-msg") == 0) { 1371 s_msg = 1; 1372 } else if (strcmp(*argv, "-msgfile") == 0) { 1373 if (--argc < 1) 1374 goto bad; 1375 bio_s_msg = BIO_new_file(*(++argv), "w"); 1376 } 1377 #ifndef OPENSSL_NO_SSL_TRACE 1378 else if (strcmp(*argv, "-trace") == 0) { 1379 s_msg = 2; 1380 } 1381 #endif 1382 else if (strcmp(*argv, "-hack") == 0) { 1383 hack = 1; 1384 } else if (strcmp(*argv, "-state") == 0) { 1385 state = 1; 1386 } else if (strcmp(*argv, "-crlf") == 0) { 1387 s_crlf = 1; 1388 } else if (strcmp(*argv, "-quiet") == 0) { 1389 s_quiet = 1; 1390 } else if (strcmp(*argv, "-brief") == 0) { 1391 s_quiet = 1; 1392 s_brief = 1; 1393 verify_quiet = 1; 1394 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1395 no_tmp_rsa = 1; 1396 } else if (strcmp(*argv, "-no_dhe") == 0) { 1397 no_dhe = 1; 1398 } else if (strcmp(*argv, "-no_ecdhe") == 0) { 1399 no_ecdhe = 1; 1400 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1401 no_resume_ephemeral = 1; 1402 } 1403 #ifndef OPENSSL_NO_PSK 1404 else if (strcmp(*argv, "-psk_hint") == 0) { 1405 if (--argc < 1) 1406 goto bad; 1407 psk_identity_hint = *(++argv); 1408 } else if (strcmp(*argv, "-psk") == 0) { 1409 size_t i; 1410 1411 if (--argc < 1) 1412 goto bad; 1413 psk_key = *(++argv); 1414 for (i = 0; i < strlen(psk_key); i++) { 1415 if (isxdigit((unsigned char)psk_key[i])) 1416 continue; 1417 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1418 goto bad; 1419 } 1420 } 1421 #endif 1422 #ifndef OPENSSL_NO_SRP 1423 else if (strcmp(*argv, "-srpvfile") == 0) { 1424 if (--argc < 1) 1425 goto bad; 1426 srp_verifier_file = *(++argv); 1427 meth = TLSv1_server_method(); 1428 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1429 if (--argc < 1) 1430 goto bad; 1431 srpuserseed = *(++argv); 1432 meth = TLSv1_server_method(); 1433 } 1434 #endif 1435 else if (strcmp(*argv, "-rev") == 0) { 1436 rev = 1; 1437 } else if (strcmp(*argv, "-www") == 0) { 1438 www = 1; 1439 } else if (strcmp(*argv, "-WWW") == 0) { 1440 www = 2; 1441 } else if (strcmp(*argv, "-HTTP") == 0) { 1442 www = 3; 1443 } 1444 #ifndef OPENSSL_NO_SSL2 1445 else if (strcmp(*argv, "-ssl2") == 0) { 1446 no_ecdhe = 1; 1447 meth = SSLv2_server_method(); 1448 } 1449 #endif 1450 #ifndef OPENSSL_NO_SSL3_METHOD 1451 else if (strcmp(*argv, "-ssl3") == 0) { 1452 meth = SSLv3_server_method(); 1453 } 1454 #endif 1455 #ifndef OPENSSL_NO_TLS1 1456 else if (strcmp(*argv, "-tls1") == 0) { 1457 meth = TLSv1_server_method(); 1458 } else if (strcmp(*argv, "-tls1_1") == 0) { 1459 meth = TLSv1_1_server_method(); 1460 } else if (strcmp(*argv, "-tls1_2") == 0) { 1461 meth = TLSv1_2_server_method(); 1462 } 1463 #endif 1464 #ifndef OPENSSL_NO_DTLS1 1465 else if (strcmp(*argv, "-dtls") == 0) { 1466 meth = DTLS_server_method(); 1467 socket_type = SOCK_DGRAM; 1468 } else if (strcmp(*argv, "-dtls1") == 0) { 1469 meth = DTLSv1_server_method(); 1470 socket_type = SOCK_DGRAM; 1471 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1472 meth = DTLSv1_2_server_method(); 1473 socket_type = SOCK_DGRAM; 1474 } else if (strcmp(*argv, "-timeout") == 0) 1475 enable_timeouts = 1; 1476 else if (strcmp(*argv, "-mtu") == 0) { 1477 if (--argc < 1) 1478 goto bad; 1479 socket_mtu = atol(*(++argv)); 1480 } else if (strcmp(*argv, "-chain") == 0) 1481 cert_chain = 1; 1482 #endif 1483 else if (strcmp(*argv, "-id_prefix") == 0) { 1484 if (--argc < 1) 1485 goto bad; 1486 session_id_prefix = *(++argv); 1487 } 1488 #ifndef OPENSSL_NO_ENGINE 1489 else if (strcmp(*argv, "-engine") == 0) { 1490 if (--argc < 1) 1491 goto bad; 1492 engine_id = *(++argv); 1493 } 1494 #endif 1495 else if (strcmp(*argv, "-rand") == 0) { 1496 if (--argc < 1) 1497 goto bad; 1498 inrand = *(++argv); 1499 } 1500 #ifndef OPENSSL_NO_TLSEXT 1501 else if (strcmp(*argv, "-servername") == 0) { 1502 if (--argc < 1) 1503 goto bad; 1504 tlsextcbp.servername = *(++argv); 1505 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1506 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1507 } else if (strcmp(*argv, "-cert2") == 0) { 1508 if (--argc < 1) 1509 goto bad; 1510 s_cert_file2 = *(++argv); 1511 } else if (strcmp(*argv, "-key2") == 0) { 1512 if (--argc < 1) 1513 goto bad; 1514 s_key_file2 = *(++argv); 1515 } 1516 # ifndef OPENSSL_NO_NEXTPROTONEG 1517 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1518 if (--argc < 1) 1519 goto bad; 1520 next_proto_neg_in = *(++argv); 1521 } 1522 # endif 1523 else if (strcmp(*argv, "-alpn") == 0) { 1524 if (--argc < 1) 1525 goto bad; 1526 alpn_in = *(++argv); 1527 } 1528 #endif 1529 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1530 else if (strcmp(*argv, "-jpake") == 0) { 1531 if (--argc < 1) 1532 goto bad; 1533 jpake_secret = *(++argv); 1534 } 1535 #endif 1536 #ifndef OPENSSL_NO_SRTP 1537 else if (strcmp(*argv, "-use_srtp") == 0) { 1538 if (--argc < 1) 1539 goto bad; 1540 srtp_profiles = *(++argv); 1541 } 1542 #endif 1543 else if (strcmp(*argv, "-keymatexport") == 0) { 1544 if (--argc < 1) 1545 goto bad; 1546 keymatexportlabel = *(++argv); 1547 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1548 if (--argc < 1) 1549 goto bad; 1550 keymatexportlen = atoi(*(++argv)); 1551 if (keymatexportlen == 0) 1552 goto bad; 1553 } else { 1554 BIO_printf(bio_err, "unknown option %s\n", *argv); 1555 badop = 1; 1556 break; 1557 } 1558 argc--; 1559 argv++; 1560 } 1561 if (badop) { 1562 bad: 1563 sv_usage(); 1564 goto end; 1565 } 1566 #ifndef OPENSSL_NO_DTLS1 1567 if (www && socket_type == SOCK_DGRAM) { 1568 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1569 goto end; 1570 } 1571 #endif 1572 1573 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1574 if (jpake_secret) { 1575 if (psk_key) { 1576 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1577 goto end; 1578 } 1579 psk_identity = "JPAKE"; 1580 } 1581 #endif 1582 1583 SSL_load_error_strings(); 1584 OpenSSL_add_ssl_algorithms(); 1585 1586 #ifndef OPENSSL_NO_ENGINE 1587 e = setup_engine(bio_err, engine_id, 1); 1588 #endif 1589 1590 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1591 BIO_printf(bio_err, "Error getting password\n"); 1592 goto end; 1593 } 1594 1595 if (s_key_file == NULL) 1596 s_key_file = s_cert_file; 1597 #ifndef OPENSSL_NO_TLSEXT 1598 if (s_key_file2 == NULL) 1599 s_key_file2 = s_cert_file2; 1600 #endif 1601 1602 if (!load_excert(&exc, bio_err)) 1603 goto end; 1604 1605 if (nocert == 0) { 1606 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1607 "server certificate private key file"); 1608 if (!s_key) { 1609 ERR_print_errors(bio_err); 1610 goto end; 1611 } 1612 1613 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1614 NULL, e, "server certificate file"); 1615 1616 if (!s_cert) { 1617 ERR_print_errors(bio_err); 1618 goto end; 1619 } 1620 if (s_chain_file) { 1621 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1622 NULL, e, "server certificate chain"); 1623 if (!s_chain) 1624 goto end; 1625 } 1626 #ifndef OPENSSL_NO_TLSEXT 1627 if (tlsextcbp.servername) { 1628 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1629 "second server certificate private key file"); 1630 if (!s_key2) { 1631 ERR_print_errors(bio_err); 1632 goto end; 1633 } 1634 1635 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1636 NULL, e, "second server certificate file"); 1637 1638 if (!s_cert2) { 1639 ERR_print_errors(bio_err); 1640 goto end; 1641 } 1642 } 1643 #endif /* OPENSSL_NO_TLSEXT */ 1644 } 1645 #if !defined(OPENSSL_NO_TLSEXT) 1646 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1647 if (next_proto_neg_in) { 1648 unsigned short len; 1649 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1650 if (next_proto.data == NULL) 1651 goto end; 1652 next_proto.len = len; 1653 } else { 1654 next_proto.data = NULL; 1655 } 1656 # endif 1657 alpn_ctx.data = NULL; 1658 if (alpn_in) { 1659 unsigned short len; 1660 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1661 if (alpn_ctx.data == NULL) 1662 goto end; 1663 alpn_ctx.len = len; 1664 } 1665 #endif 1666 1667 if (crl_file) { 1668 X509_CRL *crl; 1669 crl = load_crl(crl_file, crl_format); 1670 if (!crl) { 1671 BIO_puts(bio_err, "Error loading CRL\n"); 1672 ERR_print_errors(bio_err); 1673 goto end; 1674 } 1675 crls = sk_X509_CRL_new_null(); 1676 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1677 BIO_puts(bio_err, "Error adding CRL\n"); 1678 ERR_print_errors(bio_err); 1679 X509_CRL_free(crl); 1680 goto end; 1681 } 1682 } 1683 1684 if (s_dcert_file) { 1685 1686 if (s_dkey_file == NULL) 1687 s_dkey_file = s_dcert_file; 1688 1689 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1690 0, dpass, e, "second certificate private key file"); 1691 if (!s_dkey) { 1692 ERR_print_errors(bio_err); 1693 goto end; 1694 } 1695 1696 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1697 NULL, e, "second server certificate file"); 1698 1699 if (!s_dcert) { 1700 ERR_print_errors(bio_err); 1701 goto end; 1702 } 1703 if (s_dchain_file) { 1704 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1705 NULL, e, "second server certificate chain"); 1706 if (!s_dchain) 1707 goto end; 1708 } 1709 1710 } 1711 1712 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1713 && !RAND_status()) { 1714 BIO_printf(bio_err, 1715 "warning, not much extra random data, consider using the -rand option\n"); 1716 } 1717 if (inrand != NULL) 1718 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1719 app_RAND_load_files(inrand)); 1720 1721 if (bio_s_out == NULL) { 1722 if (s_quiet && !s_debug) { 1723 bio_s_out = BIO_new(BIO_s_null()); 1724 if (s_msg && !bio_s_msg) 1725 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1726 } else { 1727 if (bio_s_out == NULL) 1728 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1729 } 1730 } 1731 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1732 if (nocert) 1733 #endif 1734 { 1735 s_cert_file = NULL; 1736 s_key_file = NULL; 1737 s_dcert_file = NULL; 1738 s_dkey_file = NULL; 1739 #ifndef OPENSSL_NO_TLSEXT 1740 s_cert_file2 = NULL; 1741 s_key_file2 = NULL; 1742 #endif 1743 } 1744 1745 ctx = SSL_CTX_new(meth); 1746 if (ctx == NULL) { 1747 ERR_print_errors(bio_err); 1748 goto end; 1749 } 1750 if (session_id_prefix) { 1751 if (strlen(session_id_prefix) >= 32) 1752 BIO_printf(bio_err, 1753 "warning: id_prefix is too long, only one new session will be possible\n"); 1754 else if (strlen(session_id_prefix) >= 16) 1755 BIO_printf(bio_err, 1756 "warning: id_prefix is too long if you use SSLv2\n"); 1757 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1758 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1759 ERR_print_errors(bio_err); 1760 goto end; 1761 } 1762 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1763 } 1764 SSL_CTX_set_quiet_shutdown(ctx, 1); 1765 if (hack) 1766 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1767 if (exc) 1768 ssl_ctx_set_excert(ctx, exc); 1769 1770 if (state) 1771 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1772 if (no_cache) 1773 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1774 else if (ext_cache) 1775 init_session_cache_ctx(ctx); 1776 else 1777 SSL_CTX_sess_set_cache_size(ctx, 128); 1778 1779 #ifndef OPENSSL_NO_SRTP 1780 if (srtp_profiles != NULL) 1781 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1782 #endif 1783 1784 #if 0 1785 if (cipher == NULL) 1786 cipher = getenv("SSL_CIPHER"); 1787 #endif 1788 1789 #if 0 1790 if (s_cert_file == NULL) { 1791 BIO_printf(bio_err, 1792 "You must specify a certificate file for the server to use\n"); 1793 goto end; 1794 } 1795 #endif 1796 1797 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1798 (!SSL_CTX_set_default_verify_paths(ctx))) { 1799 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1800 ERR_print_errors(bio_err); 1801 /* goto end; */ 1802 } 1803 if (vpm) 1804 SSL_CTX_set1_param(ctx, vpm); 1805 1806 ssl_ctx_add_crls(ctx, crls, 0); 1807 1808 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1809 goto end; 1810 1811 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1812 crls, crl_download)) { 1813 BIO_printf(bio_err, "Error loading store locations\n"); 1814 ERR_print_errors(bio_err); 1815 goto end; 1816 } 1817 #ifndef OPENSSL_NO_TLSEXT 1818 if (s_cert2) { 1819 ctx2 = SSL_CTX_new(meth); 1820 if (ctx2 == NULL) { 1821 ERR_print_errors(bio_err); 1822 goto end; 1823 } 1824 } 1825 1826 if (ctx2) { 1827 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1828 1829 if (session_id_prefix) { 1830 if (strlen(session_id_prefix) >= 32) 1831 BIO_printf(bio_err, 1832 "warning: id_prefix is too long, only one new session will be possible\n"); 1833 else if (strlen(session_id_prefix) >= 16) 1834 BIO_printf(bio_err, 1835 "warning: id_prefix is too long if you use SSLv2\n"); 1836 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1837 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1838 ERR_print_errors(bio_err); 1839 goto end; 1840 } 1841 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1842 } 1843 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1844 if (hack) 1845 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1846 if (exc) 1847 ssl_ctx_set_excert(ctx2, exc); 1848 1849 if (state) 1850 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1851 1852 if (no_cache) 1853 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1854 else if (ext_cache) 1855 init_session_cache_ctx(ctx2); 1856 else 1857 SSL_CTX_sess_set_cache_size(ctx2, 128); 1858 1859 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1860 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1861 ERR_print_errors(bio_err); 1862 } 1863 if (vpm) 1864 SSL_CTX_set1_param(ctx2, vpm); 1865 1866 ssl_ctx_add_crls(ctx2, crls, 0); 1867 1868 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1869 goto end; 1870 1871 } 1872 # ifndef OPENSSL_NO_NEXTPROTONEG 1873 if (next_proto.data) 1874 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1875 &next_proto); 1876 # endif 1877 if (alpn_ctx.data) 1878 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1879 #endif 1880 1881 #ifndef OPENSSL_NO_DH 1882 if (!no_dhe) { 1883 DH *dh = NULL; 1884 1885 if (dhfile) 1886 dh = load_dh_param(dhfile); 1887 else if (s_cert_file) 1888 dh = load_dh_param(s_cert_file); 1889 1890 if (dh != NULL) { 1891 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1892 } else { 1893 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1894 dh = get_dh2048(); 1895 if (dh == NULL) { 1896 ERR_print_errors(bio_err); 1897 goto end; 1898 } 1899 } 1900 (void)BIO_flush(bio_s_out); 1901 1902 SSL_CTX_set_tmp_dh(ctx, dh); 1903 # ifndef OPENSSL_NO_TLSEXT 1904 if (ctx2) { 1905 if (!dhfile) { 1906 DH *dh2 = load_dh_param(s_cert_file2); 1907 if (dh2 != NULL) { 1908 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1909 (void)BIO_flush(bio_s_out); 1910 1911 DH_free(dh); 1912 dh = dh2; 1913 } 1914 } 1915 SSL_CTX_set_tmp_dh(ctx2, dh); 1916 } 1917 # endif 1918 DH_free(dh); 1919 } 1920 #endif 1921 1922 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1923 goto end; 1924 #ifndef OPENSSL_NO_TLSEXT 1925 if (s_serverinfo_file != NULL 1926 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1927 ERR_print_errors(bio_err); 1928 goto end; 1929 } 1930 #endif 1931 #ifndef OPENSSL_NO_TLSEXT 1932 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1933 goto end; 1934 #endif 1935 if (s_dcert != NULL) { 1936 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1937 goto end; 1938 } 1939 #ifndef OPENSSL_NO_RSA 1940 # if 1 1941 if (!no_tmp_rsa) { 1942 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1943 # ifndef OPENSSL_NO_TLSEXT 1944 if (ctx2) 1945 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1946 # endif 1947 } 1948 # else 1949 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1950 RSA *rsa; 1951 1952 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1953 BIO_flush(bio_s_out); 1954 1955 rsa = RSA_generate_key(512, RSA_F4, NULL); 1956 1957 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1958 ERR_print_errors(bio_err); 1959 goto end; 1960 } 1961 # ifndef OPENSSL_NO_TLSEXT 1962 if (ctx2) { 1963 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1964 ERR_print_errors(bio_err); 1965 goto end; 1966 } 1967 } 1968 # endif 1969 RSA_free(rsa); 1970 BIO_printf(bio_s_out, "\n"); 1971 } 1972 # endif 1973 #endif 1974 1975 #ifndef OPENSSL_NO_PSK 1976 # ifdef OPENSSL_NO_JPAKE 1977 if (psk_key != NULL) 1978 # else 1979 if (psk_key != NULL || jpake_secret) 1980 # endif 1981 { 1982 if (s_debug) 1983 BIO_printf(bio_s_out, 1984 "PSK key given or JPAKE in use, setting server callback\n"); 1985 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1986 } 1987 1988 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1989 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1990 ERR_print_errors(bio_err); 1991 goto end; 1992 } 1993 #endif 1994 1995 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 1996 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 1997 sizeof s_server_session_id_context); 1998 1999 /* Set DTLS cookie generation and verification callbacks */ 2000 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2001 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2002 2003 #ifndef OPENSSL_NO_TLSEXT 2004 if (ctx2) { 2005 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2006 SSL_CTX_set_session_id_context(ctx2, 2007 (void *)&s_server_session_id_context, 2008 sizeof s_server_session_id_context); 2009 2010 tlsextcbp.biodebug = bio_s_out; 2011 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2012 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2013 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2014 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2015 } 2016 #endif 2017 2018 #ifndef OPENSSL_NO_SRP 2019 if (srp_verifier_file != NULL) { 2020 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2021 srp_callback_parm.user = NULL; 2022 srp_callback_parm.login = NULL; 2023 if ((ret = 2024 SRP_VBASE_init(srp_callback_parm.vb, 2025 srp_verifier_file)) != SRP_NO_ERROR) { 2026 BIO_printf(bio_err, 2027 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2028 srp_verifier_file, ret); 2029 goto end; 2030 } 2031 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2032 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2033 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2034 } else 2035 #endif 2036 if (CAfile != NULL) { 2037 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2038 #ifndef OPENSSL_NO_TLSEXT 2039 if (ctx2) 2040 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2041 #endif 2042 } 2043 2044 BIO_printf(bio_s_out, "ACCEPT\n"); 2045 (void)BIO_flush(bio_s_out); 2046 if (rev) 2047 do_server(port, socket_type, &accept_socket, rev_body, context, 2048 naccept); 2049 else if (www) 2050 do_server(port, socket_type, &accept_socket, www_body, context, 2051 naccept); 2052 else 2053 do_server(port, socket_type, &accept_socket, sv_body, context, 2054 naccept); 2055 print_stats(bio_s_out, ctx); 2056 ret = 0; 2057 end: 2058 if (ctx != NULL) 2059 SSL_CTX_free(ctx); 2060 if (s_cert) 2061 X509_free(s_cert); 2062 if (crls) 2063 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2064 if (s_dcert) 2065 X509_free(s_dcert); 2066 if (s_key) 2067 EVP_PKEY_free(s_key); 2068 if (s_dkey) 2069 EVP_PKEY_free(s_dkey); 2070 if (s_chain) 2071 sk_X509_pop_free(s_chain, X509_free); 2072 if (s_dchain) 2073 sk_X509_pop_free(s_dchain, X509_free); 2074 if (pass) 2075 OPENSSL_free(pass); 2076 if (dpass) 2077 OPENSSL_free(dpass); 2078 if (vpm) 2079 X509_VERIFY_PARAM_free(vpm); 2080 free_sessions(); 2081 #ifndef OPENSSL_NO_TLSEXT 2082 if (tlscstatp.host) 2083 OPENSSL_free(tlscstatp.host); 2084 if (tlscstatp.port) 2085 OPENSSL_free(tlscstatp.port); 2086 if (tlscstatp.path) 2087 OPENSSL_free(tlscstatp.path); 2088 if (ctx2 != NULL) 2089 SSL_CTX_free(ctx2); 2090 if (s_cert2) 2091 X509_free(s_cert2); 2092 if (s_key2) 2093 EVP_PKEY_free(s_key2); 2094 if (serverinfo_in != NULL) 2095 BIO_free(serverinfo_in); 2096 # ifndef OPENSSL_NO_NEXTPROTONEG 2097 if (next_proto.data) 2098 OPENSSL_free(next_proto.data); 2099 # endif 2100 if (alpn_ctx.data) 2101 OPENSSL_free(alpn_ctx.data); 2102 #endif 2103 ssl_excert_free(exc); 2104 if (ssl_args) 2105 sk_OPENSSL_STRING_free(ssl_args); 2106 if (cctx) 2107 SSL_CONF_CTX_free(cctx); 2108 #ifndef OPENSSL_NO_JPAKE 2109 if (jpake_secret && psk_key) 2110 OPENSSL_free(psk_key); 2111 #endif 2112 if (bio_s_out != NULL) { 2113 BIO_free(bio_s_out); 2114 bio_s_out = NULL; 2115 } 2116 if (bio_s_msg != NULL) { 2117 BIO_free(bio_s_msg); 2118 bio_s_msg = NULL; 2119 } 2120 apps_shutdown(); 2121 OPENSSL_EXIT(ret); 2122 } 2123 2124 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2125 { 2126 BIO_printf(bio, "%4ld items in the session cache\n", 2127 SSL_CTX_sess_number(ssl_ctx)); 2128 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2129 SSL_CTX_sess_connect(ssl_ctx)); 2130 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2131 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2132 BIO_printf(bio, "%4ld client connects that finished\n", 2133 SSL_CTX_sess_connect_good(ssl_ctx)); 2134 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2135 SSL_CTX_sess_accept(ssl_ctx)); 2136 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2137 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2138 BIO_printf(bio, "%4ld server accepts that finished\n", 2139 SSL_CTX_sess_accept_good(ssl_ctx)); 2140 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2141 BIO_printf(bio, "%4ld session cache misses\n", 2142 SSL_CTX_sess_misses(ssl_ctx)); 2143 BIO_printf(bio, "%4ld session cache timeouts\n", 2144 SSL_CTX_sess_timeouts(ssl_ctx)); 2145 BIO_printf(bio, "%4ld callback cache hits\n", 2146 SSL_CTX_sess_cb_hits(ssl_ctx)); 2147 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2148 SSL_CTX_sess_cache_full(ssl_ctx), 2149 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2150 } 2151 2152 static int sv_body(char *hostname, int s, int stype, unsigned char *context) 2153 { 2154 char *buf = NULL; 2155 fd_set readfds; 2156 int ret = 1, width; 2157 int k, i; 2158 unsigned long l; 2159 SSL *con = NULL; 2160 BIO *sbio; 2161 #ifndef OPENSSL_NO_KRB5 2162 KSSL_CTX *kctx; 2163 #endif 2164 struct timeval timeout; 2165 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2166 struct timeval tv; 2167 #else 2168 struct timeval *timeoutp; 2169 #endif 2170 2171 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2172 BIO_printf(bio_err, "out of memory\n"); 2173 goto err; 2174 } 2175 #ifdef FIONBIO 2176 if (s_nbio) { 2177 unsigned long sl = 1; 2178 2179 if (!s_quiet) 2180 BIO_printf(bio_err, "turning on non blocking io\n"); 2181 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2182 ERR_print_errors(bio_err); 2183 } 2184 #endif 2185 2186 if (con == NULL) { 2187 con = SSL_new(ctx); 2188 #ifndef OPENSSL_NO_TLSEXT 2189 if (s_tlsextdebug) { 2190 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2191 SSL_set_tlsext_debug_arg(con, bio_s_out); 2192 } 2193 if (s_tlsextstatus) { 2194 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2195 tlscstatp.err = bio_err; 2196 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2197 } 2198 #endif 2199 #ifndef OPENSSL_NO_KRB5 2200 if ((kctx = kssl_ctx_new()) != NULL) { 2201 SSL_set0_kssl_ctx(con, kctx); 2202 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2203 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2204 } 2205 #endif /* OPENSSL_NO_KRB5 */ 2206 if (context) 2207 SSL_set_session_id_context(con, context, strlen((char *)context)); 2208 } 2209 SSL_clear(con); 2210 #if 0 2211 # ifdef TLSEXT_TYPE_opaque_prf_input 2212 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2213 # endif 2214 #endif 2215 2216 if (stype == SOCK_DGRAM) { 2217 2218 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2219 2220 if (enable_timeouts) { 2221 timeout.tv_sec = 0; 2222 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2223 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2224 2225 timeout.tv_sec = 0; 2226 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2227 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2228 } 2229 2230 if (socket_mtu) { 2231 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2232 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2233 DTLS_get_link_min_mtu(con)); 2234 ret = -1; 2235 BIO_free(sbio); 2236 goto err; 2237 } 2238 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2239 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2240 BIO_printf(bio_err, "Failed to set MTU\n"); 2241 ret = -1; 2242 BIO_free(sbio); 2243 goto err; 2244 } 2245 } else 2246 /* want to do MTU discovery */ 2247 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2248 2249 /* turn on cookie exchange */ 2250 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2251 } else 2252 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2253 2254 if (s_nbio_test) { 2255 BIO *test; 2256 2257 test = BIO_new(BIO_f_nbio_test()); 2258 sbio = BIO_push(test, sbio); 2259 } 2260 #ifndef OPENSSL_NO_JPAKE 2261 if (jpake_secret) 2262 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2263 #endif 2264 2265 SSL_set_bio(con, sbio, sbio); 2266 SSL_set_accept_state(con); 2267 /* SSL_set_fd(con,s); */ 2268 2269 if (s_debug) { 2270 SSL_set_debug(con, 1); 2271 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2272 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2273 } 2274 if (s_msg) { 2275 #ifndef OPENSSL_NO_SSL_TRACE 2276 if (s_msg == 2) 2277 SSL_set_msg_callback(con, SSL_trace); 2278 else 2279 #endif 2280 SSL_set_msg_callback(con, msg_cb); 2281 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2282 } 2283 #ifndef OPENSSL_NO_TLSEXT 2284 if (s_tlsextdebug) { 2285 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2286 SSL_set_tlsext_debug_arg(con, bio_s_out); 2287 } 2288 #endif 2289 2290 width = s + 1; 2291 for (;;) { 2292 int read_from_terminal; 2293 int read_from_sslcon; 2294 2295 read_from_terminal = 0; 2296 read_from_sslcon = SSL_pending(con); 2297 2298 if (!read_from_sslcon) { 2299 FD_ZERO(&readfds); 2300 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2301 openssl_fdset(fileno(stdin), &readfds); 2302 #endif 2303 openssl_fdset(s, &readfds); 2304 /* 2305 * Note: under VMS with SOCKETSHR the second parameter is 2306 * currently of type (int *) whereas under other systems it is 2307 * (void *) if you don't have a cast it will choke the compiler: 2308 * if you do have a cast then you can either go for (int *) or 2309 * (void *). 2310 */ 2311 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2312 /* 2313 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2314 * only on sockets. As a workaround we timeout the select every 2315 * second and check for any keypress. In a proper Windows 2316 * application we wouldn't do this because it is inefficient. 2317 */ 2318 tv.tv_sec = 1; 2319 tv.tv_usec = 0; 2320 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2321 if ((i < 0) || (!i && !_kbhit())) 2322 continue; 2323 if (_kbhit()) 2324 read_from_terminal = 1; 2325 #elif defined(OPENSSL_SYS_BEOS_R5) 2326 /* Under BeOS-R5 the situation is similar to DOS */ 2327 tv.tv_sec = 1; 2328 tv.tv_usec = 0; 2329 (void)fcntl(fileno(stdin), F_SETFL, O_NONBLOCK); 2330 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2331 if ((i < 0) || (!i && read(fileno(stdin), buf, 0) < 0)) 2332 continue; 2333 if (read(fileno(stdin), buf, 0) >= 0) 2334 read_from_terminal = 1; 2335 (void)fcntl(fileno(stdin), F_SETFL, 0); 2336 #else 2337 if ((SSL_version(con) == DTLS1_VERSION) && 2338 DTLSv1_get_timeout(con, &timeout)) 2339 timeoutp = &timeout; 2340 else 2341 timeoutp = NULL; 2342 2343 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2344 2345 if ((SSL_version(con) == DTLS1_VERSION) 2346 && DTLSv1_handle_timeout(con) > 0) { 2347 BIO_printf(bio_err, "TIMEOUT occured\n"); 2348 } 2349 2350 if (i <= 0) 2351 continue; 2352 if (FD_ISSET(fileno(stdin), &readfds)) 2353 read_from_terminal = 1; 2354 #endif 2355 if (FD_ISSET(s, &readfds)) 2356 read_from_sslcon = 1; 2357 } 2358 if (read_from_terminal) { 2359 if (s_crlf) { 2360 int j, lf_num; 2361 2362 i = raw_read_stdin(buf, bufsize / 2); 2363 lf_num = 0; 2364 /* both loops are skipped when i <= 0 */ 2365 for (j = 0; j < i; j++) 2366 if (buf[j] == '\n') 2367 lf_num++; 2368 for (j = i - 1; j >= 0; j--) { 2369 buf[j + lf_num] = buf[j]; 2370 if (buf[j] == '\n') { 2371 lf_num--; 2372 i++; 2373 buf[j + lf_num] = '\r'; 2374 } 2375 } 2376 assert(lf_num == 0); 2377 } else 2378 i = raw_read_stdin(buf, bufsize); 2379 if (!s_quiet && !s_brief) { 2380 if ((i <= 0) || (buf[0] == 'Q')) { 2381 BIO_printf(bio_s_out, "DONE\n"); 2382 SHUTDOWN(s); 2383 close_accept_socket(); 2384 ret = -11; 2385 goto err; 2386 } 2387 if ((i <= 0) || (buf[0] == 'q')) { 2388 BIO_printf(bio_s_out, "DONE\n"); 2389 if (SSL_version(con) != DTLS1_VERSION) 2390 SHUTDOWN(s); 2391 /* 2392 * close_accept_socket(); ret= -11; 2393 */ 2394 goto err; 2395 } 2396 #ifndef OPENSSL_NO_HEARTBEATS 2397 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2398 BIO_printf(bio_err, "HEARTBEATING\n"); 2399 SSL_heartbeat(con); 2400 i = 0; 2401 continue; 2402 } 2403 #endif 2404 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2405 SSL_renegotiate(con); 2406 i = SSL_do_handshake(con); 2407 printf("SSL_do_handshake -> %d\n", i); 2408 i = 0; /* 13; */ 2409 continue; 2410 /* 2411 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2412 */ 2413 } 2414 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2415 SSL_set_verify(con, 2416 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2417 NULL); 2418 SSL_renegotiate(con); 2419 i = SSL_do_handshake(con); 2420 printf("SSL_do_handshake -> %d\n", i); 2421 i = 0; /* 13; */ 2422 continue; 2423 /* 2424 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2425 * cert\n"); 2426 */ 2427 } 2428 if (buf[0] == 'P') { 2429 static const char *str = "Lets print some clear text\n"; 2430 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2431 } 2432 if (buf[0] == 'S') { 2433 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2434 } 2435 } 2436 #ifdef CHARSET_EBCDIC 2437 ebcdic2ascii(buf, buf, i); 2438 #endif 2439 l = k = 0; 2440 for (;;) { 2441 /* should do a select for the write */ 2442 #ifdef RENEG 2443 { 2444 static count = 0; 2445 if (++count == 100) { 2446 count = 0; 2447 SSL_renegotiate(con); 2448 } 2449 } 2450 #endif 2451 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2452 #ifndef OPENSSL_NO_SRP 2453 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2454 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2455 srp_callback_parm.user = 2456 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2457 srp_callback_parm.login); 2458 if (srp_callback_parm.user) 2459 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2460 srp_callback_parm.user->info); 2461 else 2462 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2463 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2464 } 2465 #endif 2466 switch (SSL_get_error(con, k)) { 2467 case SSL_ERROR_NONE: 2468 break; 2469 case SSL_ERROR_WANT_WRITE: 2470 case SSL_ERROR_WANT_READ: 2471 case SSL_ERROR_WANT_X509_LOOKUP: 2472 BIO_printf(bio_s_out, "Write BLOCK\n"); 2473 break; 2474 case SSL_ERROR_SYSCALL: 2475 case SSL_ERROR_SSL: 2476 BIO_printf(bio_s_out, "ERROR\n"); 2477 ERR_print_errors(bio_err); 2478 ret = 1; 2479 goto err; 2480 /* break; */ 2481 case SSL_ERROR_ZERO_RETURN: 2482 BIO_printf(bio_s_out, "DONE\n"); 2483 ret = 1; 2484 goto err; 2485 } 2486 if (k > 0) { 2487 l += k; 2488 i -= k; 2489 } 2490 if (i <= 0) 2491 break; 2492 } 2493 } 2494 if (read_from_sslcon) { 2495 if (!SSL_is_init_finished(con)) { 2496 i = init_ssl_connection(con); 2497 2498 if (i < 0) { 2499 ret = 0; 2500 goto err; 2501 } else if (i == 0) { 2502 ret = 1; 2503 goto err; 2504 } 2505 } else { 2506 again: 2507 i = SSL_read(con, (char *)buf, bufsize); 2508 #ifndef OPENSSL_NO_SRP 2509 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2510 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2511 srp_callback_parm.user = 2512 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2513 srp_callback_parm.login); 2514 if (srp_callback_parm.user) 2515 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2516 srp_callback_parm.user->info); 2517 else 2518 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2519 i = SSL_read(con, (char *)buf, bufsize); 2520 } 2521 #endif 2522 switch (SSL_get_error(con, i)) { 2523 case SSL_ERROR_NONE: 2524 #ifdef CHARSET_EBCDIC 2525 ascii2ebcdic(buf, buf, i); 2526 #endif 2527 raw_write_stdout(buf, (unsigned int)i); 2528 if (SSL_pending(con)) 2529 goto again; 2530 break; 2531 case SSL_ERROR_WANT_WRITE: 2532 case SSL_ERROR_WANT_READ: 2533 BIO_printf(bio_s_out, "Read BLOCK\n"); 2534 break; 2535 case SSL_ERROR_SYSCALL: 2536 case SSL_ERROR_SSL: 2537 BIO_printf(bio_s_out, "ERROR\n"); 2538 ERR_print_errors(bio_err); 2539 ret = 1; 2540 goto err; 2541 case SSL_ERROR_ZERO_RETURN: 2542 BIO_printf(bio_s_out, "DONE\n"); 2543 ret = 1; 2544 goto err; 2545 } 2546 } 2547 } 2548 } 2549 err: 2550 if (con != NULL) { 2551 BIO_printf(bio_s_out, "shutting down SSL\n"); 2552 #if 1 2553 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2554 #else 2555 SSL_shutdown(con); 2556 #endif 2557 SSL_free(con); 2558 } 2559 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2560 if (buf != NULL) { 2561 OPENSSL_cleanse(buf, bufsize); 2562 OPENSSL_free(buf); 2563 } 2564 if (ret >= 0) 2565 BIO_printf(bio_s_out, "ACCEPT\n"); 2566 return (ret); 2567 } 2568 2569 static void close_accept_socket(void) 2570 { 2571 BIO_printf(bio_err, "shutdown accept socket\n"); 2572 if (accept_socket >= 0) { 2573 SHUTDOWN2(accept_socket); 2574 } 2575 } 2576 2577 static int init_ssl_connection(SSL *con) 2578 { 2579 int i; 2580 const char *str; 2581 X509 *peer; 2582 long verify_error; 2583 MS_STATIC char buf[BUFSIZ]; 2584 #ifndef OPENSSL_NO_KRB5 2585 char *client_princ; 2586 #endif 2587 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2588 const unsigned char *next_proto_neg; 2589 unsigned next_proto_neg_len; 2590 #endif 2591 unsigned char *exportedkeymat; 2592 2593 i = SSL_accept(con); 2594 #ifdef CERT_CB_TEST_RETRY 2595 { 2596 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2597 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2598 fprintf(stderr, 2599 "LOOKUP from certificate callback during accept\n"); 2600 i = SSL_accept(con); 2601 } 2602 } 2603 #endif 2604 #ifndef OPENSSL_NO_SRP 2605 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2606 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2607 srp_callback_parm.login); 2608 srp_callback_parm.user = 2609 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2610 srp_callback_parm.login); 2611 if (srp_callback_parm.user) 2612 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2613 srp_callback_parm.user->info); 2614 else 2615 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2616 i = SSL_accept(con); 2617 } 2618 #endif 2619 2620 if (i <= 0) { 2621 if (BIO_sock_should_retry(i)) { 2622 BIO_printf(bio_s_out, "DELAY\n"); 2623 return (1); 2624 } 2625 2626 BIO_printf(bio_err, "ERROR\n"); 2627 verify_error = SSL_get_verify_result(con); 2628 if (verify_error != X509_V_OK) { 2629 BIO_printf(bio_err, "verify error:%s\n", 2630 X509_verify_cert_error_string(verify_error)); 2631 } 2632 /* Always print any error messages */ 2633 ERR_print_errors(bio_err); 2634 return (0); 2635 } 2636 2637 if (s_brief) 2638 print_ssl_summary(bio_err, con); 2639 2640 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2641 2642 peer = SSL_get_peer_certificate(con); 2643 if (peer != NULL) { 2644 BIO_printf(bio_s_out, "Client certificate\n"); 2645 PEM_write_bio_X509(bio_s_out, peer); 2646 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2647 BIO_printf(bio_s_out, "subject=%s\n", buf); 2648 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2649 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2650 X509_free(peer); 2651 } 2652 2653 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2654 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2655 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2656 ssl_print_sigalgs(bio_s_out, con); 2657 #ifndef OPENSSL_NO_EC 2658 ssl_print_point_formats(bio_s_out, con); 2659 ssl_print_curves(bio_s_out, con, 0); 2660 #endif 2661 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2662 2663 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2664 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2665 if (next_proto_neg) { 2666 BIO_printf(bio_s_out, "NEXTPROTO is "); 2667 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2668 BIO_printf(bio_s_out, "\n"); 2669 } 2670 #endif 2671 #ifndef OPENSSL_NO_SRTP 2672 { 2673 SRTP_PROTECTION_PROFILE *srtp_profile 2674 = SSL_get_selected_srtp_profile(con); 2675 2676 if (srtp_profile) 2677 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2678 srtp_profile->name); 2679 } 2680 #endif 2681 if (SSL_cache_hit(con)) 2682 BIO_printf(bio_s_out, "Reused session-id\n"); 2683 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2684 TLS1_FLAGS_TLS_PADDING_BUG) 2685 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2686 #ifndef OPENSSL_NO_KRB5 2687 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2688 if (client_princ != NULL) { 2689 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2690 client_princ); 2691 } 2692 #endif /* OPENSSL_NO_KRB5 */ 2693 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2694 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2695 if (keymatexportlabel != NULL) { 2696 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2697 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2698 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2699 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2700 if (exportedkeymat != NULL) { 2701 if (!SSL_export_keying_material(con, exportedkeymat, 2702 keymatexportlen, 2703 keymatexportlabel, 2704 strlen(keymatexportlabel), 2705 NULL, 0, 0)) { 2706 BIO_printf(bio_s_out, " Error\n"); 2707 } else { 2708 BIO_printf(bio_s_out, " Keying material: "); 2709 for (i = 0; i < keymatexportlen; i++) 2710 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2711 BIO_printf(bio_s_out, "\n"); 2712 } 2713 OPENSSL_free(exportedkeymat); 2714 } 2715 } 2716 2717 return (1); 2718 } 2719 2720 #ifndef OPENSSL_NO_DH 2721 static DH *load_dh_param(const char *dhfile) 2722 { 2723 DH *ret = NULL; 2724 BIO *bio; 2725 2726 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2727 goto err; 2728 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2729 err: 2730 if (bio != NULL) 2731 BIO_free(bio); 2732 return (ret); 2733 } 2734 #endif 2735 #ifndef OPENSSL_NO_KRB5 2736 char *client_princ; 2737 #endif 2738 2739 #if 0 2740 static int load_CA(SSL_CTX *ctx, char *file) 2741 { 2742 FILE *in; 2743 X509 *x = NULL; 2744 2745 if ((in = fopen(file, "r")) == NULL) 2746 return (0); 2747 2748 for (;;) { 2749 if (PEM_read_X509(in, &x, NULL) == NULL) 2750 break; 2751 SSL_CTX_add_client_CA(ctx, x); 2752 } 2753 if (x != NULL) 2754 X509_free(x); 2755 fclose(in); 2756 return (1); 2757 } 2758 #endif 2759 2760 static int www_body(char *hostname, int s, int stype, unsigned char *context) 2761 { 2762 char *buf = NULL; 2763 int ret = 1; 2764 int i, j, k, dot; 2765 SSL *con; 2766 const SSL_CIPHER *c; 2767 BIO *io, *ssl_bio, *sbio; 2768 #ifndef OPENSSL_NO_KRB5 2769 KSSL_CTX *kctx; 2770 #endif 2771 2772 buf = OPENSSL_malloc(bufsize); 2773 if (buf == NULL) 2774 return (0); 2775 io = BIO_new(BIO_f_buffer()); 2776 ssl_bio = BIO_new(BIO_f_ssl()); 2777 if ((io == NULL) || (ssl_bio == NULL)) 2778 goto err; 2779 2780 #ifdef FIONBIO 2781 if (s_nbio) { 2782 unsigned long sl = 1; 2783 2784 if (!s_quiet) 2785 BIO_printf(bio_err, "turning on non blocking io\n"); 2786 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2787 ERR_print_errors(bio_err); 2788 } 2789 #endif 2790 2791 /* lets make the output buffer a reasonable size */ 2792 if (!BIO_set_write_buffer_size(io, bufsize)) 2793 goto err; 2794 2795 if ((con = SSL_new(ctx)) == NULL) 2796 goto err; 2797 #ifndef OPENSSL_NO_TLSEXT 2798 if (s_tlsextdebug) { 2799 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2800 SSL_set_tlsext_debug_arg(con, bio_s_out); 2801 } 2802 #endif 2803 #ifndef OPENSSL_NO_KRB5 2804 if ((kctx = kssl_ctx_new()) != NULL) { 2805 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2806 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2807 } 2808 #endif /* OPENSSL_NO_KRB5 */ 2809 if (context) 2810 SSL_set_session_id_context(con, context, strlen((char *)context)); 2811 2812 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2813 if (s_nbio_test) { 2814 BIO *test; 2815 2816 test = BIO_new(BIO_f_nbio_test()); 2817 sbio = BIO_push(test, sbio); 2818 } 2819 SSL_set_bio(con, sbio, sbio); 2820 SSL_set_accept_state(con); 2821 2822 /* SSL_set_fd(con,s); */ 2823 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2824 BIO_push(io, ssl_bio); 2825 #ifdef CHARSET_EBCDIC 2826 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2827 #endif 2828 2829 if (s_debug) { 2830 SSL_set_debug(con, 1); 2831 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2832 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2833 } 2834 if (s_msg) { 2835 #ifndef OPENSSL_NO_SSL_TRACE 2836 if (s_msg == 2) 2837 SSL_set_msg_callback(con, SSL_trace); 2838 else 2839 #endif 2840 SSL_set_msg_callback(con, msg_cb); 2841 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2842 } 2843 2844 for (;;) { 2845 if (hack) { 2846 i = SSL_accept(con); 2847 #ifndef OPENSSL_NO_SRP 2848 while (i <= 0 2849 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2850 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2851 srp_callback_parm.login); 2852 srp_callback_parm.user = 2853 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2854 srp_callback_parm.login); 2855 if (srp_callback_parm.user) 2856 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2857 srp_callback_parm.user->info); 2858 else 2859 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2860 i = SSL_accept(con); 2861 } 2862 #endif 2863 switch (SSL_get_error(con, i)) { 2864 case SSL_ERROR_NONE: 2865 break; 2866 case SSL_ERROR_WANT_WRITE: 2867 case SSL_ERROR_WANT_READ: 2868 case SSL_ERROR_WANT_X509_LOOKUP: 2869 continue; 2870 case SSL_ERROR_SYSCALL: 2871 case SSL_ERROR_SSL: 2872 case SSL_ERROR_ZERO_RETURN: 2873 ret = 1; 2874 goto err; 2875 /* break; */ 2876 } 2877 2878 SSL_renegotiate(con); 2879 SSL_write(con, NULL, 0); 2880 } 2881 2882 i = BIO_gets(io, buf, bufsize - 1); 2883 if (i < 0) { /* error */ 2884 if (!BIO_should_retry(io)) { 2885 if (!s_quiet) 2886 ERR_print_errors(bio_err); 2887 goto err; 2888 } else { 2889 BIO_printf(bio_s_out, "read R BLOCK\n"); 2890 #ifndef OPENSSL_NO_SRP 2891 if (BIO_should_io_special(io) 2892 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2893 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2894 srp_callback_parm.user = 2895 SRP_VBASE_get_by_user(srp_callback_parm.vb, 2896 srp_callback_parm.login); 2897 if (srp_callback_parm.user) 2898 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2899 srp_callback_parm.user->info); 2900 else 2901 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2902 continue; 2903 } 2904 #endif 2905 #if defined(OPENSSL_SYS_NETWARE) 2906 delay(1000); 2907 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2908 sleep(1); 2909 #endif 2910 continue; 2911 } 2912 } else if (i == 0) { /* end of input */ 2913 ret = 1; 2914 goto end; 2915 } 2916 2917 /* else we have data */ 2918 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2919 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2920 char *p; 2921 X509 *peer; 2922 STACK_OF(SSL_CIPHER) *sk; 2923 static const char *space = " "; 2924 2925 BIO_puts(io, 2926 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2927 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2928 BIO_puts(io, "<pre>\n"); 2929 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2930 BIO_puts(io, "\n"); 2931 for (i = 0; i < local_argc; i++) { 2932 BIO_puts(io, local_argv[i]); 2933 BIO_write(io, " ", 1); 2934 } 2935 BIO_puts(io, "\n"); 2936 2937 BIO_printf(io, 2938 "Secure Renegotiation IS%s supported\n", 2939 SSL_get_secure_renegotiation_support(con) ? 2940 "" : " NOT"); 2941 2942 /* 2943 * The following is evil and should not really be done 2944 */ 2945 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2946 sk = SSL_get_ciphers(con); 2947 j = sk_SSL_CIPHER_num(sk); 2948 for (i = 0; i < j; i++) { 2949 c = sk_SSL_CIPHER_value(sk, i); 2950 BIO_printf(io, "%-11s:%-25s", 2951 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2952 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2953 BIO_puts(io, "\n"); 2954 } 2955 BIO_puts(io, "\n"); 2956 p = SSL_get_shared_ciphers(con, buf, bufsize); 2957 if (p != NULL) { 2958 BIO_printf(io, 2959 "---\nCiphers common between both SSL end points:\n"); 2960 j = i = 0; 2961 while (*p) { 2962 if (*p == ':') { 2963 BIO_write(io, space, 26 - j); 2964 i++; 2965 j = 0; 2966 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2967 } else { 2968 BIO_write(io, p, 1); 2969 j++; 2970 } 2971 p++; 2972 } 2973 BIO_puts(io, "\n"); 2974 } 2975 ssl_print_sigalgs(io, con); 2976 #ifndef OPENSSL_NO_EC 2977 ssl_print_curves(io, con, 0); 2978 #endif 2979 BIO_printf(io, (SSL_cache_hit(con) 2980 ? "---\nReused, " : "---\nNew, ")); 2981 c = SSL_get_current_cipher(con); 2982 BIO_printf(io, "%s, Cipher is %s\n", 2983 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2984 SSL_SESSION_print(io, SSL_get_session(con)); 2985 BIO_printf(io, "---\n"); 2986 print_stats(io, SSL_get_SSL_CTX(con)); 2987 BIO_printf(io, "---\n"); 2988 peer = SSL_get_peer_certificate(con); 2989 if (peer != NULL) { 2990 BIO_printf(io, "Client certificate\n"); 2991 X509_print(io, peer); 2992 PEM_write_bio_X509(io, peer); 2993 } else 2994 BIO_puts(io, "no client certificate available\n"); 2995 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 2996 break; 2997 } else if ((www == 2 || www == 3) 2998 && (strncmp("GET /", buf, 5) == 0)) { 2999 BIO *file; 3000 char *p, *e; 3001 static const char *text = 3002 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3003 3004 /* skip the '/' */ 3005 p = &(buf[5]); 3006 3007 dot = 1; 3008 for (e = p; *e != '\0'; e++) { 3009 if (e[0] == ' ') 3010 break; 3011 3012 switch (dot) { 3013 case 1: 3014 dot = (e[0] == '.') ? 2 : 0; 3015 break; 3016 case 2: 3017 dot = (e[0] == '.') ? 3 : 0; 3018 break; 3019 case 3: 3020 dot = (e[0] == '/') ? -1 : 0; 3021 break; 3022 } 3023 if (dot == 0) 3024 dot = (e[0] == '/') ? 1 : 0; 3025 } 3026 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3027 * component */ 3028 3029 if (*e == '\0') { 3030 BIO_puts(io, text); 3031 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3032 break; 3033 } 3034 *e = '\0'; 3035 3036 if (dot) { 3037 BIO_puts(io, text); 3038 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3039 break; 3040 } 3041 3042 if (*p == '/') { 3043 BIO_puts(io, text); 3044 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3045 break; 3046 } 3047 #if 0 3048 /* append if a directory lookup */ 3049 if (e[-1] == '/') 3050 strcat(p, "index.html"); 3051 #endif 3052 3053 /* if a directory, do the index thang */ 3054 if (app_isdir(p) > 0) { 3055 #if 0 /* must check buffer size */ 3056 strcat(p, "/index.html"); 3057 #else 3058 BIO_puts(io, text); 3059 BIO_printf(io, "'%s' is a directory\r\n", p); 3060 break; 3061 #endif 3062 } 3063 3064 if ((file = BIO_new_file(p, "r")) == NULL) { 3065 BIO_puts(io, text); 3066 BIO_printf(io, "Error opening '%s'\r\n", p); 3067 ERR_print_errors(io); 3068 break; 3069 } 3070 3071 if (!s_quiet) 3072 BIO_printf(bio_err, "FILE:%s\n", p); 3073 3074 if (www == 2) { 3075 i = strlen(p); 3076 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3077 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3078 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3079 BIO_puts(io, 3080 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3081 else 3082 BIO_puts(io, 3083 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3084 } 3085 /* send the file */ 3086 for (;;) { 3087 i = BIO_read(file, buf, bufsize); 3088 if (i <= 0) 3089 break; 3090 3091 #ifdef RENEG 3092 total_bytes += i; 3093 fprintf(stderr, "%d\n", i); 3094 if (total_bytes > 3 * 1024) { 3095 total_bytes = 0; 3096 fprintf(stderr, "RENEGOTIATE\n"); 3097 SSL_renegotiate(con); 3098 } 3099 #endif 3100 3101 for (j = 0; j < i;) { 3102 #ifdef RENEG 3103 { 3104 static count = 0; 3105 if (++count == 13) { 3106 SSL_renegotiate(con); 3107 } 3108 } 3109 #endif 3110 k = BIO_write(io, &(buf[j]), i - j); 3111 if (k <= 0) { 3112 if (!BIO_should_retry(io)) 3113 goto write_error; 3114 else { 3115 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3116 } 3117 } else { 3118 j += k; 3119 } 3120 } 3121 } 3122 write_error: 3123 BIO_free(file); 3124 break; 3125 } 3126 } 3127 3128 for (;;) { 3129 i = (int)BIO_flush(io); 3130 if (i <= 0) { 3131 if (!BIO_should_retry(io)) 3132 break; 3133 } else 3134 break; 3135 } 3136 end: 3137 #if 1 3138 /* make sure we re-use sessions */ 3139 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3140 #else 3141 /* This kills performance */ 3142 /* 3143 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3144 * procession 3145 */ 3146 #endif 3147 3148 err: 3149 3150 if (ret >= 0) 3151 BIO_printf(bio_s_out, "ACCEPT\n"); 3152 3153 if (buf != NULL) 3154 OPENSSL_free(buf); 3155 if (io != NULL) 3156 BIO_free_all(io); 3157 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3158 return (ret); 3159 } 3160 3161 static int rev_body(char *hostname, int s, int stype, unsigned char *context) 3162 { 3163 char *buf = NULL; 3164 int i; 3165 int ret = 1; 3166 SSL *con; 3167 BIO *io, *ssl_bio, *sbio; 3168 #ifndef OPENSSL_NO_KRB5 3169 KSSL_CTX *kctx; 3170 #endif 3171 3172 buf = OPENSSL_malloc(bufsize); 3173 if (buf == NULL) 3174 return (0); 3175 io = BIO_new(BIO_f_buffer()); 3176 ssl_bio = BIO_new(BIO_f_ssl()); 3177 if ((io == NULL) || (ssl_bio == NULL)) 3178 goto err; 3179 3180 /* lets make the output buffer a reasonable size */ 3181 if (!BIO_set_write_buffer_size(io, bufsize)) 3182 goto err; 3183 3184 if ((con = SSL_new(ctx)) == NULL) 3185 goto err; 3186 #ifndef OPENSSL_NO_TLSEXT 3187 if (s_tlsextdebug) { 3188 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3189 SSL_set_tlsext_debug_arg(con, bio_s_out); 3190 } 3191 #endif 3192 #ifndef OPENSSL_NO_KRB5 3193 if ((kctx = kssl_ctx_new()) != NULL) { 3194 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3195 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3196 } 3197 #endif /* OPENSSL_NO_KRB5 */ 3198 if (context) 3199 SSL_set_session_id_context(con, context, strlen((char *)context)); 3200 3201 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3202 SSL_set_bio(con, sbio, sbio); 3203 SSL_set_accept_state(con); 3204 3205 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3206 BIO_push(io, ssl_bio); 3207 #ifdef CHARSET_EBCDIC 3208 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3209 #endif 3210 3211 if (s_debug) { 3212 SSL_set_debug(con, 1); 3213 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3214 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3215 } 3216 if (s_msg) { 3217 #ifndef OPENSSL_NO_SSL_TRACE 3218 if (s_msg == 2) 3219 SSL_set_msg_callback(con, SSL_trace); 3220 else 3221 #endif 3222 SSL_set_msg_callback(con, msg_cb); 3223 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3224 } 3225 3226 for (;;) { 3227 i = BIO_do_handshake(io); 3228 if (i > 0) 3229 break; 3230 if (!BIO_should_retry(io)) { 3231 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3232 ERR_print_errors(bio_err); 3233 goto end; 3234 } 3235 #ifndef OPENSSL_NO_SRP 3236 if (BIO_should_io_special(io) 3237 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3238 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3239 srp_callback_parm.user = 3240 SRP_VBASE_get_by_user(srp_callback_parm.vb, 3241 srp_callback_parm.login); 3242 if (srp_callback_parm.user) 3243 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3244 srp_callback_parm.user->info); 3245 else 3246 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3247 continue; 3248 } 3249 #endif 3250 } 3251 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3252 print_ssl_summary(bio_err, con); 3253 3254 for (;;) { 3255 i = BIO_gets(io, buf, bufsize - 1); 3256 if (i < 0) { /* error */ 3257 if (!BIO_should_retry(io)) { 3258 if (!s_quiet) 3259 ERR_print_errors(bio_err); 3260 goto err; 3261 } else { 3262 BIO_printf(bio_s_out, "read R BLOCK\n"); 3263 #ifndef OPENSSL_NO_SRP 3264 if (BIO_should_io_special(io) 3265 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3266 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3267 srp_callback_parm.user = 3268 SRP_VBASE_get_by_user(srp_callback_parm.vb, 3269 srp_callback_parm.login); 3270 if (srp_callback_parm.user) 3271 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3272 srp_callback_parm.user->info); 3273 else 3274 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3275 continue; 3276 } 3277 #endif 3278 #if defined(OPENSSL_SYS_NETWARE) 3279 delay(1000); 3280 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3281 sleep(1); 3282 #endif 3283 continue; 3284 } 3285 } else if (i == 0) { /* end of input */ 3286 ret = 1; 3287 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3288 goto end; 3289 } else { 3290 char *p = buf + i - 1; 3291 while (i && (*p == '\n' || *p == '\r')) { 3292 p--; 3293 i--; 3294 } 3295 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3296 ret = 1; 3297 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3298 goto end; 3299 } 3300 BUF_reverse((unsigned char *)buf, NULL, i); 3301 buf[i] = '\n'; 3302 BIO_write(io, buf, i + 1); 3303 for (;;) { 3304 i = BIO_flush(io); 3305 if (i > 0) 3306 break; 3307 if (!BIO_should_retry(io)) 3308 goto end; 3309 } 3310 } 3311 } 3312 end: 3313 /* make sure we re-use sessions */ 3314 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3315 3316 err: 3317 3318 if (buf != NULL) 3319 OPENSSL_free(buf); 3320 if (io != NULL) 3321 BIO_free_all(io); 3322 return (ret); 3323 } 3324 3325 #ifndef OPENSSL_NO_RSA 3326 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3327 { 3328 BIGNUM *bn = NULL; 3329 static RSA *rsa_tmp = NULL; 3330 3331 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3332 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3333 if (!rsa_tmp && bn) { 3334 if (!s_quiet) { 3335 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3336 keylength); 3337 (void)BIO_flush(bio_err); 3338 } 3339 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3340 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3341 if (rsa_tmp) 3342 RSA_free(rsa_tmp); 3343 rsa_tmp = NULL; 3344 } 3345 if (!s_quiet) { 3346 BIO_printf(bio_err, "\n"); 3347 (void)BIO_flush(bio_err); 3348 } 3349 BN_free(bn); 3350 } 3351 return (rsa_tmp); 3352 } 3353 #endif 3354 3355 #define MAX_SESSION_ID_ATTEMPTS 10 3356 static int generate_session_id(const SSL *ssl, unsigned char *id, 3357 unsigned int *id_len) 3358 { 3359 unsigned int count = 0; 3360 do { 3361 if (RAND_pseudo_bytes(id, *id_len) < 0) 3362 return 0; 3363 /* 3364 * Prefix the session_id with the required prefix. NB: If our prefix 3365 * is too long, clip it - but there will be worse effects anyway, eg. 3366 * the server could only possibly create 1 session ID (ie. the 3367 * prefix!) so all future session negotiations will fail due to 3368 * conflicts. 3369 */ 3370 memcpy(id, session_id_prefix, 3371 (strlen(session_id_prefix) < *id_len) ? 3372 strlen(session_id_prefix) : *id_len); 3373 } 3374 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3375 (++count < MAX_SESSION_ID_ATTEMPTS)); 3376 if (count >= MAX_SESSION_ID_ATTEMPTS) 3377 return 0; 3378 return 1; 3379 } 3380 3381 /* 3382 * By default s_server uses an in-memory cache which caches SSL_SESSION 3383 * structures without any serialisation. This hides some bugs which only 3384 * become apparent in deployed servers. By implementing a basic external 3385 * session cache some issues can be debugged using s_server. 3386 */ 3387 3388 typedef struct simple_ssl_session_st { 3389 unsigned char *id; 3390 unsigned int idlen; 3391 unsigned char *der; 3392 int derlen; 3393 struct simple_ssl_session_st *next; 3394 } simple_ssl_session; 3395 3396 static simple_ssl_session *first = NULL; 3397 3398 static int add_session(SSL *ssl, SSL_SESSION *session) 3399 { 3400 simple_ssl_session *sess; 3401 unsigned char *p; 3402 3403 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3404 if (!sess) { 3405 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3406 return 0; 3407 } 3408 3409 SSL_SESSION_get_id(session, &sess->idlen); 3410 sess->derlen = i2d_SSL_SESSION(session, NULL); 3411 3412 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3413 3414 sess->der = OPENSSL_malloc(sess->derlen); 3415 if (!sess->id || !sess->der) { 3416 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3417 3418 if (sess->id) 3419 OPENSSL_free(sess->id); 3420 if (sess->der) 3421 OPENSSL_free(sess->der); 3422 OPENSSL_free(sess); 3423 return 0; 3424 } 3425 p = sess->der; 3426 i2d_SSL_SESSION(session, &p); 3427 3428 sess->next = first; 3429 first = sess; 3430 BIO_printf(bio_err, "New session added to external cache\n"); 3431 return 0; 3432 } 3433 3434 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3435 int *do_copy) 3436 { 3437 simple_ssl_session *sess; 3438 *do_copy = 0; 3439 for (sess = first; sess; sess = sess->next) { 3440 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3441 const unsigned char *p = sess->der; 3442 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3443 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3444 } 3445 } 3446 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3447 return NULL; 3448 } 3449 3450 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3451 { 3452 simple_ssl_session *sess, *prev = NULL; 3453 const unsigned char *id; 3454 unsigned int idlen; 3455 id = SSL_SESSION_get_id(session, &idlen); 3456 for (sess = first; sess; sess = sess->next) { 3457 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3458 if (prev) 3459 prev->next = sess->next; 3460 else 3461 first = sess->next; 3462 OPENSSL_free(sess->id); 3463 OPENSSL_free(sess->der); 3464 OPENSSL_free(sess); 3465 return; 3466 } 3467 prev = sess; 3468 } 3469 } 3470 3471 static void init_session_cache_ctx(SSL_CTX *sctx) 3472 { 3473 SSL_CTX_set_session_cache_mode(sctx, 3474 SSL_SESS_CACHE_NO_INTERNAL | 3475 SSL_SESS_CACHE_SERVER); 3476 SSL_CTX_sess_set_new_cb(sctx, add_session); 3477 SSL_CTX_sess_set_get_cb(sctx, get_session); 3478 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3479 } 3480 3481 static void free_sessions(void) 3482 { 3483 simple_ssl_session *sess, *tsess; 3484 for (sess = first; sess;) { 3485 OPENSSL_free(sess->id); 3486 OPENSSL_free(sess->der); 3487 tsess = sess; 3488 sess = sess->next; 3489 OPENSSL_free(tsess); 3490 } 3491 first = NULL; 3492 } 3493