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 long key_len = 0; 357 unsigned char *key; 358 359 if (s_debug) 360 BIO_printf(bio_s_out, "psk_server_cb\n"); 361 if (!identity) { 362 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 363 goto out_err; 364 } 365 if (s_debug) 366 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 367 (int)strlen(identity), identity); 368 369 /* here we could lookup the given identity e.g. from a database */ 370 if (strcmp(identity, psk_identity) != 0) { 371 BIO_printf(bio_s_out, "PSK error: client identity not found" 372 " (got '%s' expected '%s')\n", identity, psk_identity); 373 goto out_err; 374 } 375 if (s_debug) 376 BIO_printf(bio_s_out, "PSK client identity found\n"); 377 378 /* convert the PSK key to binary */ 379 key = string_to_hex(psk_key, &key_len); 380 if (key == NULL) { 381 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 382 psk_key); 383 return 0; 384 } 385 if (key_len > (int)max_psk_len) { 386 BIO_printf(bio_err, 387 "psk buffer of callback is too small (%d) for key (%ld)\n", 388 max_psk_len, key_len); 389 OPENSSL_free(key); 390 return 0; 391 } 392 393 memcpy(psk, key, key_len); 394 OPENSSL_free(key); 395 396 if (s_debug) 397 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); 398 return key_len; 399 out_err: 400 if (s_debug) 401 BIO_printf(bio_err, "Error in PSK server callback\n"); 402 return 0; 403 } 404 #endif 405 406 #ifndef OPENSSL_NO_SRP 407 /* This is a context that we pass to callbacks */ 408 typedef struct srpsrvparm_st { 409 char *login; 410 SRP_VBASE *vb; 411 SRP_user_pwd *user; 412 } srpsrvparm; 413 414 /* 415 * This callback pretends to require some asynchronous logic in order to 416 * obtain a verifier. When the callback is called for a new connection we 417 * return with a negative value. This will provoke the accept etc to return 418 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 419 * (which would normally occur after a worker has finished) and we set the 420 * user parameters. 421 */ 422 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 423 { 424 srpsrvparm *p = (srpsrvparm *) arg; 425 int ret = SSL3_AL_FATAL; 426 427 if (p->login == NULL && p->user == NULL) { 428 p->login = SSL_get_srp_username(s); 429 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 430 return (-1); 431 } 432 433 if (p->user == NULL) { 434 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 435 goto err; 436 } 437 438 if (SSL_set_srp_server_param 439 (s, p->user->N, p->user->g, p->user->s, p->user->v, 440 p->user->info) < 0) { 441 *ad = SSL_AD_INTERNAL_ERROR; 442 goto err; 443 } 444 BIO_printf(bio_err, 445 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 446 p->login, p->user->info); 447 ret = SSL_ERROR_NONE; 448 449 err: 450 SRP_user_pwd_free(p->user); 451 p->user = NULL; 452 p->login = NULL; 453 return ret; 454 } 455 456 #endif 457 458 #ifdef MONOLITH 459 static void s_server_init(void) 460 { 461 accept_socket = -1; 462 s_server_verify = SSL_VERIFY_NONE; 463 s_dcert_file = NULL; 464 s_dkey_file = NULL; 465 s_dchain_file = NULL; 466 s_cert_file = TEST_CERT; 467 s_key_file = NULL; 468 s_chain_file = NULL; 469 # ifndef OPENSSL_NO_TLSEXT 470 s_cert_file2 = TEST_CERT2; 471 s_key_file2 = NULL; 472 ctx2 = NULL; 473 # endif 474 # ifdef FIONBIO 475 s_nbio = 0; 476 # endif 477 s_nbio_test = 0; 478 ctx = NULL; 479 www = 0; 480 481 bio_s_out = NULL; 482 s_debug = 0; 483 s_msg = 0; 484 s_quiet = 0; 485 s_brief = 0; 486 hack = 0; 487 # ifndef OPENSSL_NO_ENGINE 488 engine_id = NULL; 489 # endif 490 } 491 #endif 492 493 static void sv_usage(void) 494 { 495 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 496 BIO_printf(bio_err, "\n"); 497 BIO_printf(bio_err, 498 " -accept arg - port to accept on (default is %d)\n", PORT); 499 BIO_printf(bio_err, 500 " -verify_hostname host - check peer certificate matches \"host\"\n"); 501 BIO_printf(bio_err, 502 " -verify_email email - check peer certificate matches \"email\"\n"); 503 BIO_printf(bio_err, 504 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 505 BIO_printf(bio_err, " -context arg - set session ID context\n"); 506 BIO_printf(bio_err, 507 " -verify arg - turn on peer certificate verification\n"); 508 BIO_printf(bio_err, 509 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 510 BIO_printf(bio_err, 511 " -verify_return_error - return verification errors\n"); 512 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 513 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 514 #ifndef OPENSSL_NO_TLSEXT 515 BIO_printf(bio_err, 516 " -serverinfo arg - PEM serverinfo file for certificate\n"); 517 BIO_printf(bio_err, 518 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); 519 BIO_printf(bio_err, 520 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); 521 #endif 522 BIO_printf(bio_err, 523 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); 524 BIO_printf(bio_err, 525 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 526 " The CRL(s) are appended to the certificate file\n"); 527 BIO_printf(bio_err, 528 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 529 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 530 " the certificate file.\n"); 531 BIO_printf(bio_err, 532 " -certform arg - certificate format (PEM or DER) PEM default\n"); 533 BIO_printf(bio_err, 534 " -key arg - Private Key file to use, in cert file if\n"); 535 BIO_printf(bio_err, " not specified (default is %s)\n", 536 TEST_CERT); 537 BIO_printf(bio_err, 538 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 539 BIO_printf(bio_err, 540 " -pass arg - private key file pass phrase source\n"); 541 BIO_printf(bio_err, 542 " -dcert arg - second certificate file to use (usually for DSA)\n"); 543 BIO_printf(bio_err, 544 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 545 BIO_printf(bio_err, 546 " -dkey arg - second private key file to use (usually for DSA)\n"); 547 BIO_printf(bio_err, 548 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 549 BIO_printf(bio_err, 550 " -dpass arg - second private key file pass phrase source\n"); 551 BIO_printf(bio_err, 552 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 553 BIO_printf(bio_err, 554 " or a default set of parameters is used\n"); 555 #ifndef OPENSSL_NO_ECDH 556 BIO_printf(bio_err, 557 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 558 " Use \"openssl ecparam -list_curves\" for all names\n" 559 " (default is nistp256).\n"); 560 #endif 561 #ifdef FIONBIO 562 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 563 #endif 564 BIO_printf(bio_err, 565 " -nbio_test - test with the non-blocking test bio\n"); 566 BIO_printf(bio_err, 567 " -crlf - convert LF from terminal into CRLF\n"); 568 BIO_printf(bio_err, " -debug - Print more output\n"); 569 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 570 BIO_printf(bio_err, " -state - Print the SSL states\n"); 571 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 572 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 573 BIO_printf(bio_err, 574 " -no_alt_chains - only ever use the first certificate chain found\n"); 575 BIO_printf(bio_err, 576 " -nocert - Don't use any certificates (Anon-DH)\n"); 577 BIO_printf(bio_err, 578 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 579 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 580 BIO_printf(bio_err, " -quiet - No server output\n"); 581 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 582 #ifndef OPENSSL_NO_PSK 583 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 584 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 585 # ifndef OPENSSL_NO_JPAKE 586 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 587 # endif 588 #endif 589 #ifndef OPENSSL_NO_SRP 590 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 591 BIO_printf(bio_err, 592 " -srpuserseed string - A seed string for a default user salt.\n"); 593 #endif 594 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 595 #ifndef OPENSSL_NO_SSL3_METHOD 596 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 597 #endif 598 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 599 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 600 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 601 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 602 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n"); 603 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 604 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 605 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 606 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 607 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 608 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 609 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 610 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 611 #ifndef OPENSSL_NO_DH 612 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 613 #endif 614 #ifndef OPENSSL_NO_ECDH 615 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 616 #endif 617 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 618 BIO_printf(bio_err, 619 " -hack - workaround for early Netscape code\n"); 620 BIO_printf(bio_err, 621 " -www - Respond to a 'GET /' with a status page\n"); 622 BIO_printf(bio_err, 623 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 624 BIO_printf(bio_err, 625 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 626 BIO_printf(bio_err, 627 " with the assumption it contains a complete HTTP response.\n"); 628 #ifndef OPENSSL_NO_ENGINE 629 BIO_printf(bio_err, 630 " -engine id - Initialise and use the specified engine\n"); 631 #endif 632 BIO_printf(bio_err, 633 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 634 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 635 LIST_SEPARATOR_CHAR); 636 #ifndef OPENSSL_NO_TLSEXT 637 BIO_printf(bio_err, 638 " -servername host - servername for HostName TLS extension\n"); 639 BIO_printf(bio_err, 640 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 641 BIO_printf(bio_err, 642 " -cert2 arg - certificate file to use for servername\n"); 643 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 644 BIO_printf(bio_err, 645 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 646 BIO_printf(bio_err, " not specified (default is %s)\n", 647 TEST_CERT2); 648 BIO_printf(bio_err, 649 " -tlsextdebug - hex dump of all TLS extensions received\n"); 650 BIO_printf(bio_err, 651 " -no_ticket - disable use of RFC4507bis session tickets\n"); 652 BIO_printf(bio_err, 653 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 654 BIO_printf(bio_err, 655 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); 656 BIO_printf(bio_err, 657 " -client_sigalgs arg - Signature algorithms to support for client \n"); 658 BIO_printf(bio_err, 659 " certificate authentication (colon-separated list)\n"); 660 # ifndef OPENSSL_NO_NEXTPROTONEG 661 BIO_printf(bio_err, 662 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 663 # endif 664 # ifndef OPENSSL_NO_SRTP 665 BIO_printf(bio_err, 666 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 667 # endif 668 BIO_printf(bio_err, 669 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); 670 #endif 671 BIO_printf(bio_err, 672 " -keymatexport label - Export keying material using label\n"); 673 BIO_printf(bio_err, 674 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 675 BIO_printf(bio_err, 676 " -status - respond to certificate status requests\n"); 677 BIO_printf(bio_err, 678 " -status_verbose - enable status request verbose printout\n"); 679 BIO_printf(bio_err, 680 " -status_timeout n - status request responder timeout\n"); 681 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 682 } 683 684 static int local_argc = 0; 685 static char **local_argv; 686 687 #ifdef CHARSET_EBCDIC 688 static int ebcdic_new(BIO *bi); 689 static int ebcdic_free(BIO *a); 690 static int ebcdic_read(BIO *b, char *out, int outl); 691 static int ebcdic_write(BIO *b, const char *in, int inl); 692 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 693 static int ebcdic_gets(BIO *bp, char *buf, int size); 694 static int ebcdic_puts(BIO *bp, const char *str); 695 696 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 697 static BIO_METHOD methods_ebcdic = { 698 BIO_TYPE_EBCDIC_FILTER, 699 "EBCDIC/ASCII filter", 700 ebcdic_write, 701 ebcdic_read, 702 ebcdic_puts, 703 ebcdic_gets, 704 ebcdic_ctrl, 705 ebcdic_new, 706 ebcdic_free, 707 }; 708 709 typedef struct { 710 size_t alloced; 711 char buff[1]; 712 } EBCDIC_OUTBUFF; 713 714 BIO_METHOD *BIO_f_ebcdic_filter() 715 { 716 return (&methods_ebcdic); 717 } 718 719 static int ebcdic_new(BIO *bi) 720 { 721 EBCDIC_OUTBUFF *wbuf; 722 723 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 724 if (!wbuf) 725 return 0; 726 wbuf->alloced = 1024; 727 wbuf->buff[0] = '\0'; 728 729 bi->ptr = (char *)wbuf; 730 bi->init = 1; 731 bi->flags = 0; 732 return (1); 733 } 734 735 static int ebcdic_free(BIO *a) 736 { 737 if (a == NULL) 738 return (0); 739 if (a->ptr != NULL) 740 OPENSSL_free(a->ptr); 741 a->ptr = NULL; 742 a->init = 0; 743 a->flags = 0; 744 return (1); 745 } 746 747 static int ebcdic_read(BIO *b, char *out, int outl) 748 { 749 int ret = 0; 750 751 if (out == NULL || outl == 0) 752 return (0); 753 if (b->next_bio == NULL) 754 return (0); 755 756 ret = BIO_read(b->next_bio, out, outl); 757 if (ret > 0) 758 ascii2ebcdic(out, out, ret); 759 return (ret); 760 } 761 762 static int ebcdic_write(BIO *b, const char *in, int inl) 763 { 764 EBCDIC_OUTBUFF *wbuf; 765 int ret = 0; 766 int num; 767 unsigned char n; 768 769 if ((in == NULL) || (inl <= 0)) 770 return (0); 771 if (b->next_bio == NULL) 772 return (0); 773 774 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 775 776 if (inl > (num = wbuf->alloced)) { 777 num = num + num; /* double the size */ 778 if (num < inl) 779 num = inl; 780 wbuf = 781 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 782 if (!wbuf) 783 return 0; 784 OPENSSL_free(b->ptr); 785 786 wbuf->alloced = num; 787 wbuf->buff[0] = '\0'; 788 789 b->ptr = (char *)wbuf; 790 } 791 792 ebcdic2ascii(wbuf->buff, in, inl); 793 794 ret = BIO_write(b->next_bio, wbuf->buff, inl); 795 796 return (ret); 797 } 798 799 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 800 { 801 long ret; 802 803 if (b->next_bio == NULL) 804 return (0); 805 switch (cmd) { 806 case BIO_CTRL_DUP: 807 ret = 0L; 808 break; 809 default: 810 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 811 break; 812 } 813 return (ret); 814 } 815 816 static int ebcdic_gets(BIO *bp, char *buf, int size) 817 { 818 int i, ret = 0; 819 if (bp->next_bio == NULL) 820 return (0); 821 /* return(BIO_gets(bp->next_bio,buf,size));*/ 822 for (i = 0; i < size - 1; ++i) { 823 ret = ebcdic_read(bp, &buf[i], 1); 824 if (ret <= 0) 825 break; 826 else if (buf[i] == '\n') { 827 ++i; 828 break; 829 } 830 } 831 if (i < size) 832 buf[i] = '\0'; 833 return (ret < 0 && i == 0) ? ret : i; 834 } 835 836 static int ebcdic_puts(BIO *bp, const char *str) 837 { 838 if (bp->next_bio == NULL) 839 return (0); 840 return ebcdic_write(bp, str, strlen(str)); 841 } 842 #endif 843 844 #ifndef OPENSSL_NO_TLSEXT 845 846 /* This is a context that we pass to callbacks */ 847 typedef struct tlsextctx_st { 848 char *servername; 849 BIO *biodebug; 850 int extension_error; 851 } tlsextctx; 852 853 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 854 { 855 tlsextctx *p = (tlsextctx *) arg; 856 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 857 if (servername && p->biodebug) 858 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 859 servername); 860 861 if (!p->servername) 862 return SSL_TLSEXT_ERR_NOACK; 863 864 if (servername) { 865 if (strcasecmp(servername, p->servername)) 866 return p->extension_error; 867 if (ctx2) { 868 BIO_printf(p->biodebug, "Switching server context.\n"); 869 SSL_set_SSL_CTX(s, ctx2); 870 } 871 } 872 return SSL_TLSEXT_ERR_OK; 873 } 874 875 /* Structure passed to cert status callback */ 876 877 typedef struct tlsextstatusctx_st { 878 /* Default responder to use */ 879 char *host, *path, *port; 880 int use_ssl; 881 int timeout; 882 BIO *err; 883 int verbose; 884 } tlsextstatusctx; 885 886 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 887 888 /* 889 * Certificate Status callback. This is called when a client includes a 890 * certificate status request extension. This is a simplified version. It 891 * examines certificates each time and makes one OCSP responder query for 892 * each request. A full version would store details such as the OCSP 893 * certificate IDs and minimise the number of OCSP responses by caching them 894 * until they were considered "expired". 895 */ 896 897 static int cert_status_cb(SSL *s, void *arg) 898 { 899 tlsextstatusctx *srctx = arg; 900 BIO *err = srctx->err; 901 char *host, *port, *path; 902 int use_ssl; 903 unsigned char *rspder = NULL; 904 int rspderlen; 905 STACK_OF(OPENSSL_STRING) *aia = NULL; 906 X509 *x = NULL; 907 X509_STORE_CTX inctx; 908 X509_OBJECT obj; 909 OCSP_REQUEST *req = NULL; 910 OCSP_RESPONSE *resp = NULL; 911 OCSP_CERTID *id = NULL; 912 STACK_OF(X509_EXTENSION) *exts; 913 int ret = SSL_TLSEXT_ERR_NOACK; 914 int i; 915 # if 0 916 STACK_OF(OCSP_RESPID) *ids; 917 SSL_get_tlsext_status_ids(s, &ids); 918 BIO_printf(err, "cert_status: received %d ids\n", 919 sk_OCSP_RESPID_num(ids)); 920 # endif 921 if (srctx->verbose) 922 BIO_puts(err, "cert_status: callback called\n"); 923 /* Build up OCSP query from server certificate */ 924 x = SSL_get_certificate(s); 925 aia = X509_get1_ocsp(x); 926 if (aia) { 927 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 928 &host, &port, &path, &use_ssl)) { 929 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 930 goto err; 931 } 932 if (srctx->verbose) 933 BIO_printf(err, "cert_status: AIA URL: %s\n", 934 sk_OPENSSL_STRING_value(aia, 0)); 935 } else { 936 if (!srctx->host) { 937 BIO_puts(srctx->err, 938 "cert_status: no AIA and no default responder URL\n"); 939 goto done; 940 } 941 host = srctx->host; 942 path = srctx->path; 943 port = srctx->port; 944 use_ssl = srctx->use_ssl; 945 } 946 947 if (!X509_STORE_CTX_init(&inctx, 948 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 949 NULL, NULL)) 950 goto err; 951 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 952 X509_get_issuer_name(x), &obj) <= 0) { 953 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 954 X509_STORE_CTX_cleanup(&inctx); 955 goto done; 956 } 957 req = OCSP_REQUEST_new(); 958 if (!req) 959 goto err; 960 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 961 X509_free(obj.data.x509); 962 X509_STORE_CTX_cleanup(&inctx); 963 if (!id) 964 goto err; 965 if (!OCSP_request_add0_id(req, id)) 966 goto err; 967 id = NULL; 968 /* Add any extensions to the request */ 969 SSL_get_tlsext_status_exts(s, &exts); 970 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 971 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 972 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 973 goto err; 974 } 975 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 976 srctx->timeout); 977 if (!resp) { 978 BIO_puts(err, "cert_status: error querying responder\n"); 979 goto done; 980 } 981 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 982 if (rspderlen <= 0) 983 goto err; 984 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 985 if (srctx->verbose) { 986 BIO_puts(err, "cert_status: ocsp response sent:\n"); 987 OCSP_RESPONSE_print(err, resp, 2); 988 } 989 ret = SSL_TLSEXT_ERR_OK; 990 done: 991 if (ret != SSL_TLSEXT_ERR_OK) 992 ERR_print_errors(err); 993 if (aia) { 994 OPENSSL_free(host); 995 OPENSSL_free(path); 996 OPENSSL_free(port); 997 X509_email_free(aia); 998 } 999 if (id) 1000 OCSP_CERTID_free(id); 1001 if (req) 1002 OCSP_REQUEST_free(req); 1003 if (resp) 1004 OCSP_RESPONSE_free(resp); 1005 return ret; 1006 err: 1007 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 1008 goto done; 1009 } 1010 1011 # ifndef OPENSSL_NO_NEXTPROTONEG 1012 /* This is the context that we pass to next_proto_cb */ 1013 typedef struct tlsextnextprotoctx_st { 1014 unsigned char *data; 1015 unsigned int len; 1016 } tlsextnextprotoctx; 1017 1018 static int next_proto_cb(SSL *s, const unsigned char **data, 1019 unsigned int *len, void *arg) 1020 { 1021 tlsextnextprotoctx *next_proto = arg; 1022 1023 *data = next_proto->data; 1024 *len = next_proto->len; 1025 1026 return SSL_TLSEXT_ERR_OK; 1027 } 1028 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 1029 1030 /* This the context that we pass to alpn_cb */ 1031 typedef struct tlsextalpnctx_st { 1032 unsigned char *data; 1033 unsigned short len; 1034 } tlsextalpnctx; 1035 1036 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 1037 const unsigned char *in, unsigned int inlen, void *arg) 1038 { 1039 tlsextalpnctx *alpn_ctx = arg; 1040 1041 if (!s_quiet) { 1042 /* We can assume that |in| is syntactically valid. */ 1043 unsigned i; 1044 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 1045 for (i = 0; i < inlen;) { 1046 if (i) 1047 BIO_write(bio_s_out, ", ", 2); 1048 BIO_write(bio_s_out, &in[i + 1], in[i]); 1049 i += in[i] + 1; 1050 } 1051 BIO_write(bio_s_out, "\n", 1); 1052 } 1053 1054 if (SSL_select_next_proto 1055 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 1056 inlen) != OPENSSL_NPN_NEGOTIATED) { 1057 return SSL_TLSEXT_ERR_NOACK; 1058 } 1059 1060 if (!s_quiet) { 1061 BIO_printf(bio_s_out, "ALPN protocols selected: "); 1062 BIO_write(bio_s_out, *out, *outlen); 1063 BIO_write(bio_s_out, "\n", 1); 1064 } 1065 1066 return SSL_TLSEXT_ERR_OK; 1067 } 1068 #endif /* ndef OPENSSL_NO_TLSEXT */ 1069 1070 int MAIN(int, char **); 1071 1072 #ifndef OPENSSL_NO_JPAKE 1073 static char *jpake_secret = NULL; 1074 # define no_jpake !jpake_secret 1075 #else 1076 # define no_jpake 1 1077 #endif 1078 #ifndef OPENSSL_NO_SRP 1079 static srpsrvparm srp_callback_parm; 1080 #endif 1081 #ifndef OPENSSL_NO_SRTP 1082 static char *srtp_profiles = NULL; 1083 #endif 1084 1085 int MAIN(int argc, char *argv[]) 1086 { 1087 X509_VERIFY_PARAM *vpm = NULL; 1088 int badarg = 0; 1089 short port = PORT; 1090 char *CApath = NULL, *CAfile = NULL; 1091 char *chCApath = NULL, *chCAfile = NULL; 1092 char *vfyCApath = NULL, *vfyCAfile = NULL; 1093 unsigned char *context = NULL; 1094 char *dhfile = NULL; 1095 int badop = 0; 1096 int ret = 1; 1097 int build_chain = 0; 1098 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; 1099 int state = 0; 1100 const SSL_METHOD *meth = NULL; 1101 int socket_type = SOCK_STREAM; 1102 ENGINE *e = NULL; 1103 char *inrand = NULL; 1104 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1105 char *passarg = NULL, *pass = NULL; 1106 char *dpassarg = NULL, *dpass = NULL; 1107 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1108 X509 *s_cert = NULL, *s_dcert = NULL; 1109 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1110 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1111 int no_cache = 0, ext_cache = 0; 1112 int rev = 0, naccept = -1; 1113 #ifndef OPENSSL_NO_TLSEXT 1114 EVP_PKEY *s_key2 = NULL; 1115 X509 *s_cert2 = NULL; 1116 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1117 # ifndef OPENSSL_NO_NEXTPROTONEG 1118 const char *next_proto_neg_in = NULL; 1119 tlsextnextprotoctx next_proto = { NULL, 0 }; 1120 # endif 1121 const char *alpn_in = NULL; 1122 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1123 #endif 1124 #ifndef OPENSSL_NO_PSK 1125 /* by default do not send a PSK identity hint */ 1126 static char *psk_identity_hint = NULL; 1127 #endif 1128 #ifndef OPENSSL_NO_SRP 1129 char *srpuserseed = NULL; 1130 char *srp_verifier_file = NULL; 1131 #endif 1132 SSL_EXCERT *exc = NULL; 1133 SSL_CONF_CTX *cctx = NULL; 1134 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1135 1136 char *crl_file = NULL; 1137 int crl_format = FORMAT_PEM; 1138 int crl_download = 0; 1139 STACK_OF(X509_CRL) *crls = NULL; 1140 int prot_opt = 0, no_prot_opt = 0; 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 &no_prot_opt)) { 1306 if (badarg) 1307 goto bad; 1308 continue; 1309 } else if (strcmp(*argv, "-verify_return_error") == 0) 1310 verify_return_error = 1; 1311 else if (strcmp(*argv, "-verify_quiet") == 0) 1312 verify_quiet = 1; 1313 else if (strcmp(*argv, "-build_chain") == 0) 1314 build_chain = 1; 1315 else if (strcmp(*argv, "-CAfile") == 0) { 1316 if (--argc < 1) 1317 goto bad; 1318 CAfile = *(++argv); 1319 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1320 if (--argc < 1) 1321 goto bad; 1322 chCAfile = *(++argv); 1323 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1324 if (--argc < 1) 1325 goto bad; 1326 vfyCAfile = *(++argv); 1327 } 1328 #ifdef FIONBIO 1329 else if (strcmp(*argv, "-nbio") == 0) { 1330 s_nbio = 1; 1331 } 1332 #endif 1333 else if (strcmp(*argv, "-nbio_test") == 0) { 1334 #ifdef FIONBIO 1335 s_nbio = 1; 1336 #endif 1337 s_nbio_test = 1; 1338 } else if (strcmp(*argv, "-ign_eof") == 0) 1339 s_ign_eof = 1; 1340 else if (strcmp(*argv, "-no_ign_eof") == 0) 1341 s_ign_eof = 0; 1342 else if (strcmp(*argv, "-debug") == 0) { 1343 s_debug = 1; 1344 } 1345 #ifndef OPENSSL_NO_TLSEXT 1346 else if (strcmp(*argv, "-tlsextdebug") == 0) 1347 s_tlsextdebug = 1; 1348 else if (strcmp(*argv, "-status") == 0) 1349 s_tlsextstatus = 1; 1350 else if (strcmp(*argv, "-status_verbose") == 0) { 1351 s_tlsextstatus = 1; 1352 tlscstatp.verbose = 1; 1353 } else if (!strcmp(*argv, "-status_timeout")) { 1354 s_tlsextstatus = 1; 1355 if (--argc < 1) 1356 goto bad; 1357 tlscstatp.timeout = atoi(*(++argv)); 1358 } else if (!strcmp(*argv, "-status_url")) { 1359 s_tlsextstatus = 1; 1360 if (--argc < 1) 1361 goto bad; 1362 if (!OCSP_parse_url(*(++argv), 1363 &tlscstatp.host, 1364 &tlscstatp.port, 1365 &tlscstatp.path, &tlscstatp.use_ssl)) { 1366 BIO_printf(bio_err, "Error parsing URL\n"); 1367 goto bad; 1368 } 1369 } 1370 #endif 1371 else if (strcmp(*argv, "-msg") == 0) { 1372 s_msg = 1; 1373 } else if (strcmp(*argv, "-msgfile") == 0) { 1374 if (--argc < 1) 1375 goto bad; 1376 bio_s_msg = BIO_new_file(*(++argv), "w"); 1377 } 1378 #ifndef OPENSSL_NO_SSL_TRACE 1379 else if (strcmp(*argv, "-trace") == 0) { 1380 s_msg = 2; 1381 } 1382 #endif 1383 else if (strcmp(*argv, "-hack") == 0) { 1384 hack = 1; 1385 } else if (strcmp(*argv, "-state") == 0) { 1386 state = 1; 1387 } else if (strcmp(*argv, "-crlf") == 0) { 1388 s_crlf = 1; 1389 } else if (strcmp(*argv, "-quiet") == 0) { 1390 s_quiet = 1; 1391 } else if (strcmp(*argv, "-brief") == 0) { 1392 s_quiet = 1; 1393 s_brief = 1; 1394 verify_quiet = 1; 1395 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1396 no_tmp_rsa = 1; 1397 } else if (strcmp(*argv, "-no_dhe") == 0) { 1398 no_dhe = 1; 1399 } else if (strcmp(*argv, "-no_ecdhe") == 0) { 1400 no_ecdhe = 1; 1401 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1402 no_resume_ephemeral = 1; 1403 } 1404 #ifndef OPENSSL_NO_PSK 1405 else if (strcmp(*argv, "-psk_hint") == 0) { 1406 if (--argc < 1) 1407 goto bad; 1408 psk_identity_hint = *(++argv); 1409 } else if (strcmp(*argv, "-psk") == 0) { 1410 size_t i; 1411 1412 if (--argc < 1) 1413 goto bad; 1414 psk_key = *(++argv); 1415 for (i = 0; i < strlen(psk_key); i++) { 1416 if (isxdigit((unsigned char)psk_key[i])) 1417 continue; 1418 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1419 goto bad; 1420 } 1421 } 1422 #endif 1423 #ifndef OPENSSL_NO_SRP 1424 else if (strcmp(*argv, "-srpvfile") == 0) { 1425 if (--argc < 1) 1426 goto bad; 1427 srp_verifier_file = *(++argv); 1428 meth = TLSv1_server_method(); 1429 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1430 if (--argc < 1) 1431 goto bad; 1432 srpuserseed = *(++argv); 1433 meth = TLSv1_server_method(); 1434 } 1435 #endif 1436 else if (strcmp(*argv, "-rev") == 0) { 1437 rev = 1; 1438 } else if (strcmp(*argv, "-www") == 0) { 1439 www = 1; 1440 } else if (strcmp(*argv, "-WWW") == 0) { 1441 www = 2; 1442 } else if (strcmp(*argv, "-HTTP") == 0) { 1443 www = 3; 1444 } 1445 #ifndef OPENSSL_NO_SSL2 1446 else if (strcmp(*argv, "-ssl2") == 0) { 1447 no_ecdhe = 1; 1448 meth = SSLv2_server_method(); 1449 prot_opt++; 1450 } 1451 #endif 1452 #ifndef OPENSSL_NO_SSL3_METHOD 1453 else if (strcmp(*argv, "-ssl3") == 0) { 1454 meth = SSLv3_server_method(); 1455 prot_opt++; 1456 } 1457 #endif 1458 #ifndef OPENSSL_NO_TLS1 1459 else if (strcmp(*argv, "-tls1") == 0) { 1460 meth = TLSv1_server_method(); 1461 prot_opt++; 1462 } else if (strcmp(*argv, "-tls1_1") == 0) { 1463 meth = TLSv1_1_server_method(); 1464 prot_opt++; 1465 } else if (strcmp(*argv, "-tls1_2") == 0) { 1466 meth = TLSv1_2_server_method(); 1467 prot_opt++; 1468 } 1469 #endif 1470 #ifndef OPENSSL_NO_DTLS1 1471 else if (strcmp(*argv, "-dtls") == 0) { 1472 meth = DTLS_server_method(); 1473 socket_type = SOCK_DGRAM; 1474 prot_opt++; 1475 } else if (strcmp(*argv, "-dtls1") == 0) { 1476 meth = DTLSv1_server_method(); 1477 socket_type = SOCK_DGRAM; 1478 prot_opt++; 1479 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1480 meth = DTLSv1_2_server_method(); 1481 socket_type = SOCK_DGRAM; 1482 prot_opt++; 1483 } else if (strcmp(*argv, "-timeout") == 0) 1484 enable_timeouts = 1; 1485 else if (strcmp(*argv, "-mtu") == 0) { 1486 if (--argc < 1) 1487 goto bad; 1488 socket_mtu = atol(*(++argv)); 1489 } else if (strcmp(*argv, "-chain") == 0) 1490 cert_chain = 1; 1491 #endif 1492 else if (strcmp(*argv, "-id_prefix") == 0) { 1493 if (--argc < 1) 1494 goto bad; 1495 session_id_prefix = *(++argv); 1496 } 1497 #ifndef OPENSSL_NO_ENGINE 1498 else if (strcmp(*argv, "-engine") == 0) { 1499 if (--argc < 1) 1500 goto bad; 1501 engine_id = *(++argv); 1502 } 1503 #endif 1504 else if (strcmp(*argv, "-rand") == 0) { 1505 if (--argc < 1) 1506 goto bad; 1507 inrand = *(++argv); 1508 } 1509 #ifndef OPENSSL_NO_TLSEXT 1510 else if (strcmp(*argv, "-servername") == 0) { 1511 if (--argc < 1) 1512 goto bad; 1513 tlsextcbp.servername = *(++argv); 1514 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1515 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1516 } else if (strcmp(*argv, "-cert2") == 0) { 1517 if (--argc < 1) 1518 goto bad; 1519 s_cert_file2 = *(++argv); 1520 } else if (strcmp(*argv, "-key2") == 0) { 1521 if (--argc < 1) 1522 goto bad; 1523 s_key_file2 = *(++argv); 1524 } 1525 # ifndef OPENSSL_NO_NEXTPROTONEG 1526 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1527 if (--argc < 1) 1528 goto bad; 1529 next_proto_neg_in = *(++argv); 1530 } 1531 # endif 1532 else if (strcmp(*argv, "-alpn") == 0) { 1533 if (--argc < 1) 1534 goto bad; 1535 alpn_in = *(++argv); 1536 } 1537 #endif 1538 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1539 else if (strcmp(*argv, "-jpake") == 0) { 1540 if (--argc < 1) 1541 goto bad; 1542 jpake_secret = *(++argv); 1543 } 1544 #endif 1545 #ifndef OPENSSL_NO_SRTP 1546 else if (strcmp(*argv, "-use_srtp") == 0) { 1547 if (--argc < 1) 1548 goto bad; 1549 srtp_profiles = *(++argv); 1550 } 1551 #endif 1552 else if (strcmp(*argv, "-keymatexport") == 0) { 1553 if (--argc < 1) 1554 goto bad; 1555 keymatexportlabel = *(++argv); 1556 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1557 if (--argc < 1) 1558 goto bad; 1559 keymatexportlen = atoi(*(++argv)); 1560 if (keymatexportlen == 0) 1561 goto bad; 1562 } else { 1563 BIO_printf(bio_err, "unknown option %s\n", *argv); 1564 badop = 1; 1565 break; 1566 } 1567 argc--; 1568 argv++; 1569 } 1570 if (badop) { 1571 bad: 1572 sv_usage(); 1573 goto end; 1574 } 1575 #ifndef OPENSSL_NO_DTLS1 1576 if (www && socket_type == SOCK_DGRAM) { 1577 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1578 goto end; 1579 } 1580 #endif 1581 1582 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1583 if (jpake_secret) { 1584 if (psk_key) { 1585 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1586 goto end; 1587 } 1588 psk_identity = "JPAKE"; 1589 } 1590 #endif 1591 1592 if (prot_opt > 1) { 1593 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 1594 goto end; 1595 } 1596 1597 if (prot_opt == 1 && no_prot_opt) { 1598 BIO_printf(bio_err, "Cannot supply both a protocol flag and " 1599 "\"-no_<prot>\"\n"); 1600 goto end; 1601 } 1602 1603 SSL_load_error_strings(); 1604 OpenSSL_add_ssl_algorithms(); 1605 1606 #ifndef OPENSSL_NO_ENGINE 1607 e = setup_engine(bio_err, engine_id, 1); 1608 #endif 1609 1610 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1611 BIO_printf(bio_err, "Error getting password\n"); 1612 goto end; 1613 } 1614 1615 if (s_key_file == NULL) 1616 s_key_file = s_cert_file; 1617 #ifndef OPENSSL_NO_TLSEXT 1618 if (s_key_file2 == NULL) 1619 s_key_file2 = s_cert_file2; 1620 #endif 1621 1622 if (!load_excert(&exc, bio_err)) 1623 goto end; 1624 1625 if (nocert == 0) { 1626 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1627 "server certificate private key file"); 1628 if (!s_key) { 1629 ERR_print_errors(bio_err); 1630 goto end; 1631 } 1632 1633 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1634 NULL, e, "server certificate file"); 1635 1636 if (!s_cert) { 1637 ERR_print_errors(bio_err); 1638 goto end; 1639 } 1640 if (s_chain_file) { 1641 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1642 NULL, e, "server certificate chain"); 1643 if (!s_chain) 1644 goto end; 1645 } 1646 #ifndef OPENSSL_NO_TLSEXT 1647 if (tlsextcbp.servername) { 1648 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1649 "second server certificate private key file"); 1650 if (!s_key2) { 1651 ERR_print_errors(bio_err); 1652 goto end; 1653 } 1654 1655 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1656 NULL, e, "second server certificate file"); 1657 1658 if (!s_cert2) { 1659 ERR_print_errors(bio_err); 1660 goto end; 1661 } 1662 } 1663 #endif /* OPENSSL_NO_TLSEXT */ 1664 } 1665 #if !defined(OPENSSL_NO_TLSEXT) 1666 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1667 if (next_proto_neg_in) { 1668 unsigned short len; 1669 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1670 if (next_proto.data == NULL) 1671 goto end; 1672 next_proto.len = len; 1673 } else { 1674 next_proto.data = NULL; 1675 } 1676 # endif 1677 alpn_ctx.data = NULL; 1678 if (alpn_in) { 1679 unsigned short len; 1680 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1681 if (alpn_ctx.data == NULL) 1682 goto end; 1683 alpn_ctx.len = len; 1684 } 1685 #endif 1686 1687 if (crl_file) { 1688 X509_CRL *crl; 1689 crl = load_crl(crl_file, crl_format); 1690 if (!crl) { 1691 BIO_puts(bio_err, "Error loading CRL\n"); 1692 ERR_print_errors(bio_err); 1693 goto end; 1694 } 1695 crls = sk_X509_CRL_new_null(); 1696 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1697 BIO_puts(bio_err, "Error adding CRL\n"); 1698 ERR_print_errors(bio_err); 1699 X509_CRL_free(crl); 1700 goto end; 1701 } 1702 } 1703 1704 if (s_dcert_file) { 1705 1706 if (s_dkey_file == NULL) 1707 s_dkey_file = s_dcert_file; 1708 1709 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1710 0, dpass, e, "second certificate private key file"); 1711 if (!s_dkey) { 1712 ERR_print_errors(bio_err); 1713 goto end; 1714 } 1715 1716 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1717 NULL, e, "second server certificate file"); 1718 1719 if (!s_dcert) { 1720 ERR_print_errors(bio_err); 1721 goto end; 1722 } 1723 if (s_dchain_file) { 1724 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1725 NULL, e, "second server certificate chain"); 1726 if (!s_dchain) 1727 goto end; 1728 } 1729 1730 } 1731 1732 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1733 && !RAND_status()) { 1734 BIO_printf(bio_err, 1735 "warning, not much extra random data, consider using the -rand option\n"); 1736 } 1737 if (inrand != NULL) 1738 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1739 app_RAND_load_files(inrand)); 1740 1741 if (bio_s_out == NULL) { 1742 if (s_quiet && !s_debug) { 1743 bio_s_out = BIO_new(BIO_s_null()); 1744 if (s_msg && !bio_s_msg) 1745 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1746 } else { 1747 if (bio_s_out == NULL) 1748 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1749 } 1750 } 1751 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1752 if (nocert) 1753 #endif 1754 { 1755 s_cert_file = NULL; 1756 s_key_file = NULL; 1757 s_dcert_file = NULL; 1758 s_dkey_file = NULL; 1759 #ifndef OPENSSL_NO_TLSEXT 1760 s_cert_file2 = NULL; 1761 s_key_file2 = NULL; 1762 #endif 1763 } 1764 1765 ctx = SSL_CTX_new(meth); 1766 if (ctx == NULL) { 1767 ERR_print_errors(bio_err); 1768 goto end; 1769 } 1770 if (session_id_prefix) { 1771 if (strlen(session_id_prefix) >= 32) 1772 BIO_printf(bio_err, 1773 "warning: id_prefix is too long, only one new session will be possible\n"); 1774 else if (strlen(session_id_prefix) >= 16) 1775 BIO_printf(bio_err, 1776 "warning: id_prefix is too long if you use SSLv2\n"); 1777 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1778 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1779 ERR_print_errors(bio_err); 1780 goto end; 1781 } 1782 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1783 } 1784 SSL_CTX_set_quiet_shutdown(ctx, 1); 1785 if (hack) 1786 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1787 if (exc) 1788 ssl_ctx_set_excert(ctx, exc); 1789 1790 if (state) 1791 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1792 if (no_cache) 1793 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1794 else if (ext_cache) 1795 init_session_cache_ctx(ctx); 1796 else 1797 SSL_CTX_sess_set_cache_size(ctx, 128); 1798 1799 #ifndef OPENSSL_NO_SRTP 1800 if (srtp_profiles != NULL) 1801 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1802 #endif 1803 1804 #if 0 1805 if (cipher == NULL) 1806 cipher = getenv("SSL_CIPHER"); 1807 #endif 1808 1809 #if 0 1810 if (s_cert_file == NULL) { 1811 BIO_printf(bio_err, 1812 "You must specify a certificate file for the server to use\n"); 1813 goto end; 1814 } 1815 #endif 1816 1817 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1818 (!SSL_CTX_set_default_verify_paths(ctx))) { 1819 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1820 ERR_print_errors(bio_err); 1821 /* goto end; */ 1822 } 1823 if (vpm) 1824 SSL_CTX_set1_param(ctx, vpm); 1825 1826 ssl_ctx_add_crls(ctx, crls, 0); 1827 1828 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1829 goto end; 1830 1831 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1832 crls, crl_download)) { 1833 BIO_printf(bio_err, "Error loading store locations\n"); 1834 ERR_print_errors(bio_err); 1835 goto end; 1836 } 1837 #ifndef OPENSSL_NO_TLSEXT 1838 if (s_cert2) { 1839 ctx2 = SSL_CTX_new(meth); 1840 if (ctx2 == NULL) { 1841 ERR_print_errors(bio_err); 1842 goto end; 1843 } 1844 } 1845 1846 if (ctx2) { 1847 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1848 1849 if (session_id_prefix) { 1850 if (strlen(session_id_prefix) >= 32) 1851 BIO_printf(bio_err, 1852 "warning: id_prefix is too long, only one new session will be possible\n"); 1853 else if (strlen(session_id_prefix) >= 16) 1854 BIO_printf(bio_err, 1855 "warning: id_prefix is too long if you use SSLv2\n"); 1856 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1857 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1858 ERR_print_errors(bio_err); 1859 goto end; 1860 } 1861 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1862 } 1863 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1864 if (hack) 1865 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1866 if (exc) 1867 ssl_ctx_set_excert(ctx2, exc); 1868 1869 if (state) 1870 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1871 1872 if (no_cache) 1873 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1874 else if (ext_cache) 1875 init_session_cache_ctx(ctx2); 1876 else 1877 SSL_CTX_sess_set_cache_size(ctx2, 128); 1878 1879 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1880 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1881 ERR_print_errors(bio_err); 1882 } 1883 if (vpm) 1884 SSL_CTX_set1_param(ctx2, vpm); 1885 1886 ssl_ctx_add_crls(ctx2, crls, 0); 1887 1888 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1889 goto end; 1890 1891 } 1892 # ifndef OPENSSL_NO_NEXTPROTONEG 1893 if (next_proto.data) 1894 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1895 &next_proto); 1896 # endif 1897 if (alpn_ctx.data) 1898 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1899 #endif 1900 1901 #ifndef OPENSSL_NO_DH 1902 if (!no_dhe) { 1903 DH *dh = NULL; 1904 1905 if (dhfile) 1906 dh = load_dh_param(dhfile); 1907 else if (s_cert_file) 1908 dh = load_dh_param(s_cert_file); 1909 1910 if (dh != NULL) { 1911 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1912 } else { 1913 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1914 dh = get_dh2048(); 1915 if (dh == NULL) { 1916 ERR_print_errors(bio_err); 1917 goto end; 1918 } 1919 } 1920 (void)BIO_flush(bio_s_out); 1921 1922 SSL_CTX_set_tmp_dh(ctx, dh); 1923 # ifndef OPENSSL_NO_TLSEXT 1924 if (ctx2) { 1925 if (!dhfile) { 1926 DH *dh2 = load_dh_param(s_cert_file2); 1927 if (dh2 != NULL) { 1928 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1929 (void)BIO_flush(bio_s_out); 1930 1931 DH_free(dh); 1932 dh = dh2; 1933 } 1934 } 1935 SSL_CTX_set_tmp_dh(ctx2, dh); 1936 } 1937 # endif 1938 DH_free(dh); 1939 } 1940 #endif 1941 1942 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1943 goto end; 1944 #ifndef OPENSSL_NO_TLSEXT 1945 if (s_serverinfo_file != NULL 1946 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1947 ERR_print_errors(bio_err); 1948 goto end; 1949 } 1950 #endif 1951 #ifndef OPENSSL_NO_TLSEXT 1952 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1953 goto end; 1954 #endif 1955 if (s_dcert != NULL) { 1956 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1957 goto end; 1958 } 1959 #ifndef OPENSSL_NO_RSA 1960 # if 1 1961 if (!no_tmp_rsa) { 1962 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1963 # ifndef OPENSSL_NO_TLSEXT 1964 if (ctx2) 1965 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1966 # endif 1967 } 1968 # else 1969 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1970 RSA *rsa; 1971 1972 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1973 BIO_flush(bio_s_out); 1974 1975 rsa = RSA_generate_key(512, RSA_F4, NULL); 1976 1977 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1978 ERR_print_errors(bio_err); 1979 goto end; 1980 } 1981 # ifndef OPENSSL_NO_TLSEXT 1982 if (ctx2) { 1983 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1984 ERR_print_errors(bio_err); 1985 goto end; 1986 } 1987 } 1988 # endif 1989 RSA_free(rsa); 1990 BIO_printf(bio_s_out, "\n"); 1991 } 1992 # endif 1993 #endif 1994 1995 #ifndef OPENSSL_NO_PSK 1996 # ifdef OPENSSL_NO_JPAKE 1997 if (psk_key != NULL) 1998 # else 1999 if (psk_key != NULL || jpake_secret) 2000 # endif 2001 { 2002 if (s_debug) 2003 BIO_printf(bio_s_out, 2004 "PSK key given or JPAKE in use, setting server callback\n"); 2005 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 2006 } 2007 2008 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 2009 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 2010 ERR_print_errors(bio_err); 2011 goto end; 2012 } 2013 #endif 2014 2015 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2016 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 2017 sizeof s_server_session_id_context); 2018 2019 /* Set DTLS cookie generation and verification callbacks */ 2020 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2021 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2022 2023 #ifndef OPENSSL_NO_TLSEXT 2024 if (ctx2) { 2025 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2026 SSL_CTX_set_session_id_context(ctx2, 2027 (void *)&s_server_session_id_context, 2028 sizeof s_server_session_id_context); 2029 2030 tlsextcbp.biodebug = bio_s_out; 2031 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2032 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2033 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2034 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2035 } 2036 #endif 2037 2038 #ifndef OPENSSL_NO_SRP 2039 if (srp_verifier_file != NULL) { 2040 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2041 srp_callback_parm.user = NULL; 2042 srp_callback_parm.login = NULL; 2043 if ((ret = 2044 SRP_VBASE_init(srp_callback_parm.vb, 2045 srp_verifier_file)) != SRP_NO_ERROR) { 2046 BIO_printf(bio_err, 2047 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2048 srp_verifier_file, ret); 2049 goto end; 2050 } 2051 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2052 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2053 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2054 } else 2055 #endif 2056 if (CAfile != NULL) { 2057 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2058 #ifndef OPENSSL_NO_TLSEXT 2059 if (ctx2) 2060 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2061 #endif 2062 } 2063 2064 BIO_printf(bio_s_out, "ACCEPT\n"); 2065 (void)BIO_flush(bio_s_out); 2066 if (rev) 2067 do_server(port, socket_type, &accept_socket, rev_body, context, 2068 naccept); 2069 else if (www) 2070 do_server(port, socket_type, &accept_socket, www_body, context, 2071 naccept); 2072 else 2073 do_server(port, socket_type, &accept_socket, sv_body, context, 2074 naccept); 2075 print_stats(bio_s_out, ctx); 2076 ret = 0; 2077 end: 2078 if (ctx != NULL) 2079 SSL_CTX_free(ctx); 2080 if (s_cert) 2081 X509_free(s_cert); 2082 if (crls) 2083 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2084 if (s_dcert) 2085 X509_free(s_dcert); 2086 if (s_key) 2087 EVP_PKEY_free(s_key); 2088 if (s_dkey) 2089 EVP_PKEY_free(s_dkey); 2090 if (s_chain) 2091 sk_X509_pop_free(s_chain, X509_free); 2092 if (s_dchain) 2093 sk_X509_pop_free(s_dchain, X509_free); 2094 if (pass) 2095 OPENSSL_free(pass); 2096 if (dpass) 2097 OPENSSL_free(dpass); 2098 if (vpm) 2099 X509_VERIFY_PARAM_free(vpm); 2100 free_sessions(); 2101 #ifndef OPENSSL_NO_TLSEXT 2102 if (tlscstatp.host) 2103 OPENSSL_free(tlscstatp.host); 2104 if (tlscstatp.port) 2105 OPENSSL_free(tlscstatp.port); 2106 if (tlscstatp.path) 2107 OPENSSL_free(tlscstatp.path); 2108 if (ctx2 != NULL) 2109 SSL_CTX_free(ctx2); 2110 if (s_cert2) 2111 X509_free(s_cert2); 2112 if (s_key2) 2113 EVP_PKEY_free(s_key2); 2114 if (serverinfo_in != NULL) 2115 BIO_free(serverinfo_in); 2116 # ifndef OPENSSL_NO_NEXTPROTONEG 2117 if (next_proto.data) 2118 OPENSSL_free(next_proto.data); 2119 # endif 2120 if (alpn_ctx.data) 2121 OPENSSL_free(alpn_ctx.data); 2122 #endif 2123 ssl_excert_free(exc); 2124 if (ssl_args) 2125 sk_OPENSSL_STRING_free(ssl_args); 2126 if (cctx) 2127 SSL_CONF_CTX_free(cctx); 2128 #ifndef OPENSSL_NO_JPAKE 2129 if (jpake_secret && psk_key) 2130 OPENSSL_free(psk_key); 2131 #endif 2132 if (bio_s_out != NULL) { 2133 BIO_free(bio_s_out); 2134 bio_s_out = NULL; 2135 } 2136 if (bio_s_msg != NULL) { 2137 BIO_free(bio_s_msg); 2138 bio_s_msg = NULL; 2139 } 2140 apps_shutdown(); 2141 OPENSSL_EXIT(ret); 2142 } 2143 2144 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2145 { 2146 BIO_printf(bio, "%4ld items in the session cache\n", 2147 SSL_CTX_sess_number(ssl_ctx)); 2148 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2149 SSL_CTX_sess_connect(ssl_ctx)); 2150 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2151 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2152 BIO_printf(bio, "%4ld client connects that finished\n", 2153 SSL_CTX_sess_connect_good(ssl_ctx)); 2154 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2155 SSL_CTX_sess_accept(ssl_ctx)); 2156 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2157 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2158 BIO_printf(bio, "%4ld server accepts that finished\n", 2159 SSL_CTX_sess_accept_good(ssl_ctx)); 2160 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2161 BIO_printf(bio, "%4ld session cache misses\n", 2162 SSL_CTX_sess_misses(ssl_ctx)); 2163 BIO_printf(bio, "%4ld session cache timeouts\n", 2164 SSL_CTX_sess_timeouts(ssl_ctx)); 2165 BIO_printf(bio, "%4ld callback cache hits\n", 2166 SSL_CTX_sess_cb_hits(ssl_ctx)); 2167 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2168 SSL_CTX_sess_cache_full(ssl_ctx), 2169 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2170 } 2171 2172 static int sv_body(char *hostname, int s, int stype, unsigned char *context) 2173 { 2174 char *buf = NULL; 2175 fd_set readfds; 2176 int ret = 1, width; 2177 int k, i; 2178 unsigned long l; 2179 SSL *con = NULL; 2180 BIO *sbio; 2181 #ifndef OPENSSL_NO_KRB5 2182 KSSL_CTX *kctx; 2183 #endif 2184 struct timeval timeout; 2185 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2186 struct timeval tv; 2187 #else 2188 struct timeval *timeoutp; 2189 #endif 2190 2191 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2192 BIO_printf(bio_err, "out of memory\n"); 2193 goto err; 2194 } 2195 #ifdef FIONBIO 2196 if (s_nbio) { 2197 unsigned long sl = 1; 2198 2199 if (!s_quiet) 2200 BIO_printf(bio_err, "turning on non blocking io\n"); 2201 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2202 ERR_print_errors(bio_err); 2203 } 2204 #endif 2205 2206 if (con == NULL) { 2207 con = SSL_new(ctx); 2208 #ifndef OPENSSL_NO_TLSEXT 2209 if (s_tlsextdebug) { 2210 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2211 SSL_set_tlsext_debug_arg(con, bio_s_out); 2212 } 2213 if (s_tlsextstatus) { 2214 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2215 tlscstatp.err = bio_err; 2216 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2217 } 2218 #endif 2219 #ifndef OPENSSL_NO_KRB5 2220 if ((kctx = kssl_ctx_new()) != NULL) { 2221 SSL_set0_kssl_ctx(con, kctx); 2222 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2223 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2224 } 2225 #endif /* OPENSSL_NO_KRB5 */ 2226 if (context) 2227 SSL_set_session_id_context(con, context, strlen((char *)context)); 2228 } 2229 SSL_clear(con); 2230 #if 0 2231 # ifdef TLSEXT_TYPE_opaque_prf_input 2232 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2233 # endif 2234 #endif 2235 2236 if (stype == SOCK_DGRAM) { 2237 2238 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2239 2240 if (enable_timeouts) { 2241 timeout.tv_sec = 0; 2242 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2243 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2244 2245 timeout.tv_sec = 0; 2246 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2247 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2248 } 2249 2250 if (socket_mtu) { 2251 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2252 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2253 DTLS_get_link_min_mtu(con)); 2254 ret = -1; 2255 BIO_free(sbio); 2256 goto err; 2257 } 2258 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2259 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2260 BIO_printf(bio_err, "Failed to set MTU\n"); 2261 ret = -1; 2262 BIO_free(sbio); 2263 goto err; 2264 } 2265 } else 2266 /* want to do MTU discovery */ 2267 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2268 2269 /* turn on cookie exchange */ 2270 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2271 } else 2272 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2273 2274 if (s_nbio_test) { 2275 BIO *test; 2276 2277 test = BIO_new(BIO_f_nbio_test()); 2278 sbio = BIO_push(test, sbio); 2279 } 2280 #ifndef OPENSSL_NO_JPAKE 2281 if (jpake_secret) 2282 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2283 #endif 2284 2285 SSL_set_bio(con, sbio, sbio); 2286 SSL_set_accept_state(con); 2287 /* SSL_set_fd(con,s); */ 2288 2289 if (s_debug) { 2290 SSL_set_debug(con, 1); 2291 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2292 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2293 } 2294 if (s_msg) { 2295 #ifndef OPENSSL_NO_SSL_TRACE 2296 if (s_msg == 2) 2297 SSL_set_msg_callback(con, SSL_trace); 2298 else 2299 #endif 2300 SSL_set_msg_callback(con, msg_cb); 2301 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2302 } 2303 #ifndef OPENSSL_NO_TLSEXT 2304 if (s_tlsextdebug) { 2305 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2306 SSL_set_tlsext_debug_arg(con, bio_s_out); 2307 } 2308 #endif 2309 2310 if (fileno_stdin() > s) 2311 width = fileno_stdin() + 1; 2312 else 2313 width = s + 1; 2314 for (;;) { 2315 int read_from_terminal; 2316 int read_from_sslcon; 2317 2318 read_from_terminal = 0; 2319 read_from_sslcon = SSL_pending(con); 2320 2321 if (!read_from_sslcon) { 2322 FD_ZERO(&readfds); 2323 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2324 openssl_fdset(fileno_stdin(), &readfds); 2325 #endif 2326 openssl_fdset(s, &readfds); 2327 /* 2328 * Note: under VMS with SOCKETSHR the second parameter is 2329 * currently of type (int *) whereas under other systems it is 2330 * (void *) if you don't have a cast it will choke the compiler: 2331 * if you do have a cast then you can either go for (int *) or 2332 * (void *). 2333 */ 2334 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2335 /* 2336 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2337 * only on sockets. As a workaround we timeout the select every 2338 * second and check for any keypress. In a proper Windows 2339 * application we wouldn't do this because it is inefficient. 2340 */ 2341 tv.tv_sec = 1; 2342 tv.tv_usec = 0; 2343 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2344 if ((i < 0) || (!i && !_kbhit())) 2345 continue; 2346 if (_kbhit()) 2347 read_from_terminal = 1; 2348 #elif defined(OPENSSL_SYS_BEOS_R5) 2349 /* Under BeOS-R5 the situation is similar to DOS */ 2350 tv.tv_sec = 1; 2351 tv.tv_usec = 0; 2352 (void)fcntl(fileno_stdin(), F_SETFL, O_NONBLOCK); 2353 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2354 if ((i < 0) || (!i && read(fileno_stdin(), buf, 0) < 0)) 2355 continue; 2356 if (read(fileno_stdin(), buf, 0) >= 0) 2357 read_from_terminal = 1; 2358 (void)fcntl(fileno_stdin(), F_SETFL, 0); 2359 #else 2360 if ((SSL_version(con) == DTLS1_VERSION) && 2361 DTLSv1_get_timeout(con, &timeout)) 2362 timeoutp = &timeout; 2363 else 2364 timeoutp = NULL; 2365 2366 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2367 2368 if ((SSL_version(con) == DTLS1_VERSION) 2369 && DTLSv1_handle_timeout(con) > 0) { 2370 BIO_printf(bio_err, "TIMEOUT occured\n"); 2371 } 2372 2373 if (i <= 0) 2374 continue; 2375 if (FD_ISSET(fileno_stdin(), &readfds)) 2376 read_from_terminal = 1; 2377 #endif 2378 if (FD_ISSET(s, &readfds)) 2379 read_from_sslcon = 1; 2380 } 2381 if (read_from_terminal) { 2382 if (s_crlf) { 2383 int j, lf_num; 2384 2385 i = raw_read_stdin(buf, bufsize / 2); 2386 lf_num = 0; 2387 /* both loops are skipped when i <= 0 */ 2388 for (j = 0; j < i; j++) 2389 if (buf[j] == '\n') 2390 lf_num++; 2391 for (j = i - 1; j >= 0; j--) { 2392 buf[j + lf_num] = buf[j]; 2393 if (buf[j] == '\n') { 2394 lf_num--; 2395 i++; 2396 buf[j + lf_num] = '\r'; 2397 } 2398 } 2399 assert(lf_num == 0); 2400 } else 2401 i = raw_read_stdin(buf, bufsize); 2402 2403 if (!s_quiet && !s_brief) { 2404 if ((i <= 0) || (buf[0] == 'Q')) { 2405 BIO_printf(bio_s_out, "DONE\n"); 2406 SHUTDOWN(s); 2407 close_accept_socket(); 2408 ret = -11; 2409 goto err; 2410 } 2411 if ((i <= 0) || (buf[0] == 'q')) { 2412 BIO_printf(bio_s_out, "DONE\n"); 2413 if (SSL_version(con) != DTLS1_VERSION) 2414 SHUTDOWN(s); 2415 /* 2416 * close_accept_socket(); ret= -11; 2417 */ 2418 goto err; 2419 } 2420 #ifndef OPENSSL_NO_HEARTBEATS 2421 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2422 BIO_printf(bio_err, "HEARTBEATING\n"); 2423 SSL_heartbeat(con); 2424 i = 0; 2425 continue; 2426 } 2427 #endif 2428 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2429 SSL_renegotiate(con); 2430 i = SSL_do_handshake(con); 2431 printf("SSL_do_handshake -> %d\n", i); 2432 i = 0; /* 13; */ 2433 continue; 2434 /* 2435 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2436 */ 2437 } 2438 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2439 SSL_set_verify(con, 2440 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2441 NULL); 2442 SSL_renegotiate(con); 2443 i = SSL_do_handshake(con); 2444 printf("SSL_do_handshake -> %d\n", i); 2445 i = 0; /* 13; */ 2446 continue; 2447 /* 2448 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2449 * cert\n"); 2450 */ 2451 } 2452 if (buf[0] == 'P') { 2453 static const char *str = "Lets print some clear text\n"; 2454 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2455 } 2456 if (buf[0] == 'S') { 2457 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2458 } 2459 } 2460 #ifdef CHARSET_EBCDIC 2461 ebcdic2ascii(buf, buf, i); 2462 #endif 2463 l = k = 0; 2464 for (;;) { 2465 /* should do a select for the write */ 2466 #ifdef RENEG 2467 { 2468 static count = 0; 2469 if (++count == 100) { 2470 count = 0; 2471 SSL_renegotiate(con); 2472 } 2473 } 2474 #endif 2475 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2476 #ifndef OPENSSL_NO_SRP 2477 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2478 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2479 SRP_user_pwd_free(srp_callback_parm.user); 2480 srp_callback_parm.user = 2481 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2482 srp_callback_parm.login); 2483 if (srp_callback_parm.user) 2484 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2485 srp_callback_parm.user->info); 2486 else 2487 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2488 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2489 } 2490 #endif 2491 switch (SSL_get_error(con, k)) { 2492 case SSL_ERROR_NONE: 2493 break; 2494 case SSL_ERROR_WANT_WRITE: 2495 case SSL_ERROR_WANT_READ: 2496 case SSL_ERROR_WANT_X509_LOOKUP: 2497 BIO_printf(bio_s_out, "Write BLOCK\n"); 2498 break; 2499 case SSL_ERROR_SYSCALL: 2500 case SSL_ERROR_SSL: 2501 BIO_printf(bio_s_out, "ERROR\n"); 2502 ERR_print_errors(bio_err); 2503 ret = 1; 2504 goto err; 2505 /* break; */ 2506 case SSL_ERROR_ZERO_RETURN: 2507 BIO_printf(bio_s_out, "DONE\n"); 2508 ret = 1; 2509 goto err; 2510 } 2511 if (k > 0) { 2512 l += k; 2513 i -= k; 2514 } 2515 if (i <= 0) 2516 break; 2517 } 2518 } 2519 if (read_from_sslcon) { 2520 if (!SSL_is_init_finished(con)) { 2521 i = init_ssl_connection(con); 2522 2523 if (i < 0) { 2524 ret = 0; 2525 goto err; 2526 } else if (i == 0) { 2527 ret = 1; 2528 goto err; 2529 } 2530 } else { 2531 again: 2532 i = SSL_read(con, (char *)buf, bufsize); 2533 #ifndef OPENSSL_NO_SRP 2534 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2535 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2536 SRP_user_pwd_free(srp_callback_parm.user); 2537 srp_callback_parm.user = 2538 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2539 srp_callback_parm.login); 2540 if (srp_callback_parm.user) 2541 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2542 srp_callback_parm.user->info); 2543 else 2544 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2545 i = SSL_read(con, (char *)buf, bufsize); 2546 } 2547 #endif 2548 switch (SSL_get_error(con, i)) { 2549 case SSL_ERROR_NONE: 2550 #ifdef CHARSET_EBCDIC 2551 ascii2ebcdic(buf, buf, i); 2552 #endif 2553 raw_write_stdout(buf, (unsigned int)i); 2554 if (SSL_pending(con)) 2555 goto again; 2556 break; 2557 case SSL_ERROR_WANT_WRITE: 2558 case SSL_ERROR_WANT_READ: 2559 BIO_printf(bio_s_out, "Read BLOCK\n"); 2560 break; 2561 case SSL_ERROR_SYSCALL: 2562 case SSL_ERROR_SSL: 2563 BIO_printf(bio_s_out, "ERROR\n"); 2564 ERR_print_errors(bio_err); 2565 ret = 1; 2566 goto err; 2567 case SSL_ERROR_ZERO_RETURN: 2568 BIO_printf(bio_s_out, "DONE\n"); 2569 ret = 1; 2570 goto err; 2571 } 2572 } 2573 } 2574 } 2575 err: 2576 if (con != NULL) { 2577 BIO_printf(bio_s_out, "shutting down SSL\n"); 2578 #if 1 2579 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2580 #else 2581 SSL_shutdown(con); 2582 #endif 2583 SSL_free(con); 2584 } 2585 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2586 if (buf != NULL) { 2587 OPENSSL_cleanse(buf, bufsize); 2588 OPENSSL_free(buf); 2589 } 2590 if (ret >= 0) 2591 BIO_printf(bio_s_out, "ACCEPT\n"); 2592 return (ret); 2593 } 2594 2595 static void close_accept_socket(void) 2596 { 2597 BIO_printf(bio_err, "shutdown accept socket\n"); 2598 if (accept_socket >= 0) { 2599 SHUTDOWN2(accept_socket); 2600 } 2601 } 2602 2603 static int init_ssl_connection(SSL *con) 2604 { 2605 int i; 2606 const char *str; 2607 X509 *peer; 2608 long verify_error; 2609 MS_STATIC char buf[BUFSIZ]; 2610 #ifndef OPENSSL_NO_KRB5 2611 char *client_princ; 2612 #endif 2613 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2614 const unsigned char *next_proto_neg; 2615 unsigned next_proto_neg_len; 2616 #endif 2617 unsigned char *exportedkeymat; 2618 2619 i = SSL_accept(con); 2620 #ifdef CERT_CB_TEST_RETRY 2621 { 2622 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2623 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2624 fprintf(stderr, 2625 "LOOKUP from certificate callback during accept\n"); 2626 i = SSL_accept(con); 2627 } 2628 } 2629 #endif 2630 #ifndef OPENSSL_NO_SRP 2631 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2632 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2633 srp_callback_parm.login); 2634 SRP_user_pwd_free(srp_callback_parm.user); 2635 srp_callback_parm.user = 2636 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2637 srp_callback_parm.login); 2638 if (srp_callback_parm.user) 2639 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2640 srp_callback_parm.user->info); 2641 else 2642 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2643 i = SSL_accept(con); 2644 } 2645 #endif 2646 2647 if (i <= 0) { 2648 if (BIO_sock_should_retry(i)) { 2649 BIO_printf(bio_s_out, "DELAY\n"); 2650 return (1); 2651 } 2652 2653 BIO_printf(bio_err, "ERROR\n"); 2654 verify_error = SSL_get_verify_result(con); 2655 if (verify_error != X509_V_OK) { 2656 BIO_printf(bio_err, "verify error:%s\n", 2657 X509_verify_cert_error_string(verify_error)); 2658 } 2659 /* Always print any error messages */ 2660 ERR_print_errors(bio_err); 2661 return (0); 2662 } 2663 2664 if (s_brief) 2665 print_ssl_summary(bio_err, con); 2666 2667 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2668 2669 peer = SSL_get_peer_certificate(con); 2670 if (peer != NULL) { 2671 BIO_printf(bio_s_out, "Client certificate\n"); 2672 PEM_write_bio_X509(bio_s_out, peer); 2673 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2674 BIO_printf(bio_s_out, "subject=%s\n", buf); 2675 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2676 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2677 X509_free(peer); 2678 } 2679 2680 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2681 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2682 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2683 ssl_print_sigalgs(bio_s_out, con); 2684 #ifndef OPENSSL_NO_EC 2685 ssl_print_point_formats(bio_s_out, con); 2686 ssl_print_curves(bio_s_out, con, 0); 2687 #endif 2688 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2689 2690 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2691 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2692 if (next_proto_neg) { 2693 BIO_printf(bio_s_out, "NEXTPROTO is "); 2694 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2695 BIO_printf(bio_s_out, "\n"); 2696 } 2697 #endif 2698 #ifndef OPENSSL_NO_SRTP 2699 { 2700 SRTP_PROTECTION_PROFILE *srtp_profile 2701 = SSL_get_selected_srtp_profile(con); 2702 2703 if (srtp_profile) 2704 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2705 srtp_profile->name); 2706 } 2707 #endif 2708 if (SSL_cache_hit(con)) 2709 BIO_printf(bio_s_out, "Reused session-id\n"); 2710 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2711 TLS1_FLAGS_TLS_PADDING_BUG) 2712 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2713 #ifndef OPENSSL_NO_KRB5 2714 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2715 if (client_princ != NULL) { 2716 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2717 client_princ); 2718 } 2719 #endif /* OPENSSL_NO_KRB5 */ 2720 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2721 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2722 if (keymatexportlabel != NULL) { 2723 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2724 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2725 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2726 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2727 if (exportedkeymat != NULL) { 2728 if (!SSL_export_keying_material(con, exportedkeymat, 2729 keymatexportlen, 2730 keymatexportlabel, 2731 strlen(keymatexportlabel), 2732 NULL, 0, 0)) { 2733 BIO_printf(bio_s_out, " Error\n"); 2734 } else { 2735 BIO_printf(bio_s_out, " Keying material: "); 2736 for (i = 0; i < keymatexportlen; i++) 2737 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2738 BIO_printf(bio_s_out, "\n"); 2739 } 2740 OPENSSL_free(exportedkeymat); 2741 } 2742 } 2743 2744 return (1); 2745 } 2746 2747 #ifndef OPENSSL_NO_DH 2748 static DH *load_dh_param(const char *dhfile) 2749 { 2750 DH *ret = NULL; 2751 BIO *bio; 2752 2753 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2754 goto err; 2755 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2756 err: 2757 if (bio != NULL) 2758 BIO_free(bio); 2759 return (ret); 2760 } 2761 #endif 2762 #ifndef OPENSSL_NO_KRB5 2763 char *client_princ; 2764 #endif 2765 2766 #if 0 2767 static int load_CA(SSL_CTX *ctx, char *file) 2768 { 2769 FILE *in; 2770 X509 *x = NULL; 2771 2772 if ((in = fopen(file, "r")) == NULL) 2773 return (0); 2774 2775 for (;;) { 2776 if (PEM_read_X509(in, &x, NULL) == NULL) 2777 break; 2778 SSL_CTX_add_client_CA(ctx, x); 2779 } 2780 if (x != NULL) 2781 X509_free(x); 2782 fclose(in); 2783 return (1); 2784 } 2785 #endif 2786 2787 static int www_body(char *hostname, int s, int stype, unsigned char *context) 2788 { 2789 char *buf = NULL; 2790 int ret = 1; 2791 int i, j, k, dot; 2792 SSL *con; 2793 const SSL_CIPHER *c; 2794 BIO *io, *ssl_bio, *sbio; 2795 #ifndef OPENSSL_NO_KRB5 2796 KSSL_CTX *kctx; 2797 #endif 2798 2799 buf = OPENSSL_malloc(bufsize); 2800 if (buf == NULL) 2801 return (0); 2802 io = BIO_new(BIO_f_buffer()); 2803 ssl_bio = BIO_new(BIO_f_ssl()); 2804 if ((io == NULL) || (ssl_bio == NULL)) 2805 goto err; 2806 2807 #ifdef FIONBIO 2808 if (s_nbio) { 2809 unsigned long sl = 1; 2810 2811 if (!s_quiet) 2812 BIO_printf(bio_err, "turning on non blocking io\n"); 2813 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2814 ERR_print_errors(bio_err); 2815 } 2816 #endif 2817 2818 /* lets make the output buffer a reasonable size */ 2819 if (!BIO_set_write_buffer_size(io, bufsize)) 2820 goto err; 2821 2822 if ((con = SSL_new(ctx)) == NULL) 2823 goto err; 2824 #ifndef OPENSSL_NO_TLSEXT 2825 if (s_tlsextdebug) { 2826 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2827 SSL_set_tlsext_debug_arg(con, bio_s_out); 2828 } 2829 #endif 2830 #ifndef OPENSSL_NO_KRB5 2831 if ((kctx = kssl_ctx_new()) != NULL) { 2832 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2833 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2834 } 2835 #endif /* OPENSSL_NO_KRB5 */ 2836 if (context) 2837 SSL_set_session_id_context(con, context, strlen((char *)context)); 2838 2839 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2840 if (s_nbio_test) { 2841 BIO *test; 2842 2843 test = BIO_new(BIO_f_nbio_test()); 2844 sbio = BIO_push(test, sbio); 2845 } 2846 SSL_set_bio(con, sbio, sbio); 2847 SSL_set_accept_state(con); 2848 2849 /* SSL_set_fd(con,s); */ 2850 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2851 BIO_push(io, ssl_bio); 2852 #ifdef CHARSET_EBCDIC 2853 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2854 #endif 2855 2856 if (s_debug) { 2857 SSL_set_debug(con, 1); 2858 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2859 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2860 } 2861 if (s_msg) { 2862 #ifndef OPENSSL_NO_SSL_TRACE 2863 if (s_msg == 2) 2864 SSL_set_msg_callback(con, SSL_trace); 2865 else 2866 #endif 2867 SSL_set_msg_callback(con, msg_cb); 2868 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2869 } 2870 2871 for (;;) { 2872 if (hack) { 2873 i = SSL_accept(con); 2874 #ifndef OPENSSL_NO_SRP 2875 while (i <= 0 2876 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2877 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2878 srp_callback_parm.login); 2879 SRP_user_pwd_free(srp_callback_parm.user); 2880 srp_callback_parm.user = 2881 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2882 srp_callback_parm.login); 2883 if (srp_callback_parm.user) 2884 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2885 srp_callback_parm.user->info); 2886 else 2887 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2888 i = SSL_accept(con); 2889 } 2890 #endif 2891 switch (SSL_get_error(con, i)) { 2892 case SSL_ERROR_NONE: 2893 break; 2894 case SSL_ERROR_WANT_WRITE: 2895 case SSL_ERROR_WANT_READ: 2896 case SSL_ERROR_WANT_X509_LOOKUP: 2897 continue; 2898 case SSL_ERROR_SYSCALL: 2899 case SSL_ERROR_SSL: 2900 case SSL_ERROR_ZERO_RETURN: 2901 ret = 1; 2902 goto err; 2903 /* break; */ 2904 } 2905 2906 SSL_renegotiate(con); 2907 SSL_write(con, NULL, 0); 2908 } 2909 2910 i = BIO_gets(io, buf, bufsize - 1); 2911 if (i < 0) { /* error */ 2912 if (!BIO_should_retry(io)) { 2913 if (!s_quiet) 2914 ERR_print_errors(bio_err); 2915 goto err; 2916 } else { 2917 BIO_printf(bio_s_out, "read R BLOCK\n"); 2918 #ifndef OPENSSL_NO_SRP 2919 if (BIO_should_io_special(io) 2920 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2921 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2922 SRP_user_pwd_free(srp_callback_parm.user); 2923 srp_callback_parm.user = 2924 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2925 srp_callback_parm.login); 2926 if (srp_callback_parm.user) 2927 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2928 srp_callback_parm.user->info); 2929 else 2930 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2931 continue; 2932 } 2933 #endif 2934 #if defined(OPENSSL_SYS_NETWARE) 2935 delay(1000); 2936 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2937 sleep(1); 2938 #endif 2939 continue; 2940 } 2941 } else if (i == 0) { /* end of input */ 2942 ret = 1; 2943 goto end; 2944 } 2945 2946 /* else we have data */ 2947 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2948 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2949 char *p; 2950 X509 *peer; 2951 STACK_OF(SSL_CIPHER) *sk; 2952 static const char *space = " "; 2953 2954 BIO_puts(io, 2955 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2956 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2957 BIO_puts(io, "<pre>\n"); 2958 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2959 BIO_puts(io, "\n"); 2960 for (i = 0; i < local_argc; i++) { 2961 BIO_puts(io, local_argv[i]); 2962 BIO_write(io, " ", 1); 2963 } 2964 BIO_puts(io, "\n"); 2965 2966 BIO_printf(io, 2967 "Secure Renegotiation IS%s supported\n", 2968 SSL_get_secure_renegotiation_support(con) ? 2969 "" : " NOT"); 2970 2971 /* 2972 * The following is evil and should not really be done 2973 */ 2974 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2975 sk = SSL_get_ciphers(con); 2976 j = sk_SSL_CIPHER_num(sk); 2977 for (i = 0; i < j; i++) { 2978 c = sk_SSL_CIPHER_value(sk, i); 2979 BIO_printf(io, "%-11s:%-25s", 2980 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2981 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2982 BIO_puts(io, "\n"); 2983 } 2984 BIO_puts(io, "\n"); 2985 p = SSL_get_shared_ciphers(con, buf, bufsize); 2986 if (p != NULL) { 2987 BIO_printf(io, 2988 "---\nCiphers common between both SSL end points:\n"); 2989 j = i = 0; 2990 while (*p) { 2991 if (*p == ':') { 2992 BIO_write(io, space, 26 - j); 2993 i++; 2994 j = 0; 2995 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2996 } else { 2997 BIO_write(io, p, 1); 2998 j++; 2999 } 3000 p++; 3001 } 3002 BIO_puts(io, "\n"); 3003 } 3004 ssl_print_sigalgs(io, con); 3005 #ifndef OPENSSL_NO_EC 3006 ssl_print_curves(io, con, 0); 3007 #endif 3008 BIO_printf(io, (SSL_cache_hit(con) 3009 ? "---\nReused, " : "---\nNew, ")); 3010 c = SSL_get_current_cipher(con); 3011 BIO_printf(io, "%s, Cipher is %s\n", 3012 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3013 SSL_SESSION_print(io, SSL_get_session(con)); 3014 BIO_printf(io, "---\n"); 3015 print_stats(io, SSL_get_SSL_CTX(con)); 3016 BIO_printf(io, "---\n"); 3017 peer = SSL_get_peer_certificate(con); 3018 if (peer != NULL) { 3019 BIO_printf(io, "Client certificate\n"); 3020 X509_print(io, peer); 3021 PEM_write_bio_X509(io, peer); 3022 } else 3023 BIO_puts(io, "no client certificate available\n"); 3024 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 3025 break; 3026 } else if ((www == 2 || www == 3) 3027 && (strncmp("GET /", buf, 5) == 0)) { 3028 BIO *file; 3029 char *p, *e; 3030 static const char *text = 3031 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3032 3033 /* skip the '/' */ 3034 p = &(buf[5]); 3035 3036 dot = 1; 3037 for (e = p; *e != '\0'; e++) { 3038 if (e[0] == ' ') 3039 break; 3040 3041 switch (dot) { 3042 case 1: 3043 dot = (e[0] == '.') ? 2 : 0; 3044 break; 3045 case 2: 3046 dot = (e[0] == '.') ? 3 : 0; 3047 break; 3048 case 3: 3049 dot = (e[0] == '/') ? -1 : 0; 3050 break; 3051 } 3052 if (dot == 0) 3053 dot = (e[0] == '/') ? 1 : 0; 3054 } 3055 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3056 * component */ 3057 3058 if (*e == '\0') { 3059 BIO_puts(io, text); 3060 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3061 break; 3062 } 3063 *e = '\0'; 3064 3065 if (dot) { 3066 BIO_puts(io, text); 3067 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3068 break; 3069 } 3070 3071 if (*p == '/') { 3072 BIO_puts(io, text); 3073 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3074 break; 3075 } 3076 #if 0 3077 /* append if a directory lookup */ 3078 if (e[-1] == '/') 3079 strcat(p, "index.html"); 3080 #endif 3081 3082 /* if a directory, do the index thang */ 3083 if (app_isdir(p) > 0) { 3084 #if 0 /* must check buffer size */ 3085 strcat(p, "/index.html"); 3086 #else 3087 BIO_puts(io, text); 3088 BIO_printf(io, "'%s' is a directory\r\n", p); 3089 break; 3090 #endif 3091 } 3092 3093 if ((file = BIO_new_file(p, "r")) == NULL) { 3094 BIO_puts(io, text); 3095 BIO_printf(io, "Error opening '%s'\r\n", p); 3096 ERR_print_errors(io); 3097 break; 3098 } 3099 3100 if (!s_quiet) 3101 BIO_printf(bio_err, "FILE:%s\n", p); 3102 3103 if (www == 2) { 3104 i = strlen(p); 3105 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3106 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3107 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3108 BIO_puts(io, 3109 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3110 else 3111 BIO_puts(io, 3112 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3113 } 3114 /* send the file */ 3115 for (;;) { 3116 i = BIO_read(file, buf, bufsize); 3117 if (i <= 0) 3118 break; 3119 3120 #ifdef RENEG 3121 total_bytes += i; 3122 fprintf(stderr, "%d\n", i); 3123 if (total_bytes > 3 * 1024) { 3124 total_bytes = 0; 3125 fprintf(stderr, "RENEGOTIATE\n"); 3126 SSL_renegotiate(con); 3127 } 3128 #endif 3129 3130 for (j = 0; j < i;) { 3131 #ifdef RENEG 3132 { 3133 static count = 0; 3134 if (++count == 13) { 3135 SSL_renegotiate(con); 3136 } 3137 } 3138 #endif 3139 k = BIO_write(io, &(buf[j]), i - j); 3140 if (k <= 0) { 3141 if (!BIO_should_retry(io)) 3142 goto write_error; 3143 else { 3144 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3145 } 3146 } else { 3147 j += k; 3148 } 3149 } 3150 } 3151 write_error: 3152 BIO_free(file); 3153 break; 3154 } 3155 } 3156 3157 for (;;) { 3158 i = (int)BIO_flush(io); 3159 if (i <= 0) { 3160 if (!BIO_should_retry(io)) 3161 break; 3162 } else 3163 break; 3164 } 3165 end: 3166 #if 1 3167 /* make sure we re-use sessions */ 3168 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3169 #else 3170 /* This kills performance */ 3171 /* 3172 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3173 * procession 3174 */ 3175 #endif 3176 3177 err: 3178 3179 if (ret >= 0) 3180 BIO_printf(bio_s_out, "ACCEPT\n"); 3181 3182 if (buf != NULL) 3183 OPENSSL_free(buf); 3184 if (io != NULL) 3185 BIO_free_all(io); 3186 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3187 return (ret); 3188 } 3189 3190 static int rev_body(char *hostname, int s, int stype, unsigned char *context) 3191 { 3192 char *buf = NULL; 3193 int i; 3194 int ret = 1; 3195 SSL *con; 3196 BIO *io, *ssl_bio, *sbio; 3197 #ifndef OPENSSL_NO_KRB5 3198 KSSL_CTX *kctx; 3199 #endif 3200 3201 buf = OPENSSL_malloc(bufsize); 3202 if (buf == NULL) 3203 return (0); 3204 io = BIO_new(BIO_f_buffer()); 3205 ssl_bio = BIO_new(BIO_f_ssl()); 3206 if ((io == NULL) || (ssl_bio == NULL)) 3207 goto err; 3208 3209 /* lets make the output buffer a reasonable size */ 3210 if (!BIO_set_write_buffer_size(io, bufsize)) 3211 goto err; 3212 3213 if ((con = SSL_new(ctx)) == NULL) 3214 goto err; 3215 #ifndef OPENSSL_NO_TLSEXT 3216 if (s_tlsextdebug) { 3217 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3218 SSL_set_tlsext_debug_arg(con, bio_s_out); 3219 } 3220 #endif 3221 #ifndef OPENSSL_NO_KRB5 3222 if ((kctx = kssl_ctx_new()) != NULL) { 3223 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3224 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3225 } 3226 #endif /* OPENSSL_NO_KRB5 */ 3227 if (context) 3228 SSL_set_session_id_context(con, context, strlen((char *)context)); 3229 3230 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3231 SSL_set_bio(con, sbio, sbio); 3232 SSL_set_accept_state(con); 3233 3234 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3235 BIO_push(io, ssl_bio); 3236 #ifdef CHARSET_EBCDIC 3237 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3238 #endif 3239 3240 if (s_debug) { 3241 SSL_set_debug(con, 1); 3242 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3243 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3244 } 3245 if (s_msg) { 3246 #ifndef OPENSSL_NO_SSL_TRACE 3247 if (s_msg == 2) 3248 SSL_set_msg_callback(con, SSL_trace); 3249 else 3250 #endif 3251 SSL_set_msg_callback(con, msg_cb); 3252 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3253 } 3254 3255 for (;;) { 3256 i = BIO_do_handshake(io); 3257 if (i > 0) 3258 break; 3259 if (!BIO_should_retry(io)) { 3260 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3261 ERR_print_errors(bio_err); 3262 goto end; 3263 } 3264 #ifndef OPENSSL_NO_SRP 3265 if (BIO_should_io_special(io) 3266 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3267 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3268 SRP_user_pwd_free(srp_callback_parm.user); 3269 srp_callback_parm.user = 3270 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3271 srp_callback_parm.login); 3272 if (srp_callback_parm.user) 3273 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3274 srp_callback_parm.user->info); 3275 else 3276 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3277 continue; 3278 } 3279 #endif 3280 } 3281 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3282 print_ssl_summary(bio_err, con); 3283 3284 for (;;) { 3285 i = BIO_gets(io, buf, bufsize - 1); 3286 if (i < 0) { /* error */ 3287 if (!BIO_should_retry(io)) { 3288 if (!s_quiet) 3289 ERR_print_errors(bio_err); 3290 goto err; 3291 } else { 3292 BIO_printf(bio_s_out, "read R BLOCK\n"); 3293 #ifndef OPENSSL_NO_SRP 3294 if (BIO_should_io_special(io) 3295 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3296 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3297 SRP_user_pwd_free(srp_callback_parm.user); 3298 srp_callback_parm.user = 3299 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3300 srp_callback_parm.login); 3301 if (srp_callback_parm.user) 3302 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3303 srp_callback_parm.user->info); 3304 else 3305 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3306 continue; 3307 } 3308 #endif 3309 #if defined(OPENSSL_SYS_NETWARE) 3310 delay(1000); 3311 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3312 sleep(1); 3313 #endif 3314 continue; 3315 } 3316 } else if (i == 0) { /* end of input */ 3317 ret = 1; 3318 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3319 goto end; 3320 } else { 3321 char *p = buf + i - 1; 3322 while (i && (*p == '\n' || *p == '\r')) { 3323 p--; 3324 i--; 3325 } 3326 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3327 ret = 1; 3328 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3329 goto end; 3330 } 3331 BUF_reverse((unsigned char *)buf, NULL, i); 3332 buf[i] = '\n'; 3333 BIO_write(io, buf, i + 1); 3334 for (;;) { 3335 i = BIO_flush(io); 3336 if (i > 0) 3337 break; 3338 if (!BIO_should_retry(io)) 3339 goto end; 3340 } 3341 } 3342 } 3343 end: 3344 /* make sure we re-use sessions */ 3345 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3346 3347 err: 3348 3349 if (buf != NULL) 3350 OPENSSL_free(buf); 3351 if (io != NULL) 3352 BIO_free_all(io); 3353 return (ret); 3354 } 3355 3356 #ifndef OPENSSL_NO_RSA 3357 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3358 { 3359 BIGNUM *bn = NULL; 3360 static RSA *rsa_tmp = NULL; 3361 3362 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3363 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3364 if (!rsa_tmp && bn) { 3365 if (!s_quiet) { 3366 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3367 keylength); 3368 (void)BIO_flush(bio_err); 3369 } 3370 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3371 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3372 if (rsa_tmp) 3373 RSA_free(rsa_tmp); 3374 rsa_tmp = NULL; 3375 } 3376 if (!s_quiet) { 3377 BIO_printf(bio_err, "\n"); 3378 (void)BIO_flush(bio_err); 3379 } 3380 BN_free(bn); 3381 } 3382 return (rsa_tmp); 3383 } 3384 #endif 3385 3386 #define MAX_SESSION_ID_ATTEMPTS 10 3387 static int generate_session_id(const SSL *ssl, unsigned char *id, 3388 unsigned int *id_len) 3389 { 3390 unsigned int count = 0; 3391 do { 3392 if (RAND_bytes(id, *id_len) <= 0) 3393 return 0; 3394 /* 3395 * Prefix the session_id with the required prefix. NB: If our prefix 3396 * is too long, clip it - but there will be worse effects anyway, eg. 3397 * the server could only possibly create 1 session ID (ie. the 3398 * prefix!) so all future session negotiations will fail due to 3399 * conflicts. 3400 */ 3401 memcpy(id, session_id_prefix, 3402 (strlen(session_id_prefix) < *id_len) ? 3403 strlen(session_id_prefix) : *id_len); 3404 } 3405 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3406 (++count < MAX_SESSION_ID_ATTEMPTS)); 3407 if (count >= MAX_SESSION_ID_ATTEMPTS) 3408 return 0; 3409 return 1; 3410 } 3411 3412 /* 3413 * By default s_server uses an in-memory cache which caches SSL_SESSION 3414 * structures without any serialisation. This hides some bugs which only 3415 * become apparent in deployed servers. By implementing a basic external 3416 * session cache some issues can be debugged using s_server. 3417 */ 3418 3419 typedef struct simple_ssl_session_st { 3420 unsigned char *id; 3421 unsigned int idlen; 3422 unsigned char *der; 3423 int derlen; 3424 struct simple_ssl_session_st *next; 3425 } simple_ssl_session; 3426 3427 static simple_ssl_session *first = NULL; 3428 3429 static int add_session(SSL *ssl, SSL_SESSION *session) 3430 { 3431 simple_ssl_session *sess; 3432 unsigned char *p; 3433 3434 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3435 if (!sess) { 3436 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3437 return 0; 3438 } 3439 3440 SSL_SESSION_get_id(session, &sess->idlen); 3441 sess->derlen = i2d_SSL_SESSION(session, NULL); 3442 3443 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3444 3445 sess->der = OPENSSL_malloc(sess->derlen); 3446 if (!sess->id || !sess->der) { 3447 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3448 3449 if (sess->id) 3450 OPENSSL_free(sess->id); 3451 if (sess->der) 3452 OPENSSL_free(sess->der); 3453 OPENSSL_free(sess); 3454 return 0; 3455 } 3456 p = sess->der; 3457 i2d_SSL_SESSION(session, &p); 3458 3459 sess->next = first; 3460 first = sess; 3461 BIO_printf(bio_err, "New session added to external cache\n"); 3462 return 0; 3463 } 3464 3465 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3466 int *do_copy) 3467 { 3468 simple_ssl_session *sess; 3469 *do_copy = 0; 3470 for (sess = first; sess; sess = sess->next) { 3471 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3472 const unsigned char *p = sess->der; 3473 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3474 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3475 } 3476 } 3477 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3478 return NULL; 3479 } 3480 3481 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3482 { 3483 simple_ssl_session *sess, *prev = NULL; 3484 const unsigned char *id; 3485 unsigned int idlen; 3486 id = SSL_SESSION_get_id(session, &idlen); 3487 for (sess = first; sess; sess = sess->next) { 3488 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3489 if (prev) 3490 prev->next = sess->next; 3491 else 3492 first = sess->next; 3493 OPENSSL_free(sess->id); 3494 OPENSSL_free(sess->der); 3495 OPENSSL_free(sess); 3496 return; 3497 } 3498 prev = sess; 3499 } 3500 } 3501 3502 static void init_session_cache_ctx(SSL_CTX *sctx) 3503 { 3504 SSL_CTX_set_session_cache_mode(sctx, 3505 SSL_SESS_CACHE_NO_INTERNAL | 3506 SSL_SESS_CACHE_SERVER); 3507 SSL_CTX_sess_set_new_cb(sctx, add_session); 3508 SSL_CTX_sess_set_get_cb(sctx, get_session); 3509 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3510 } 3511 3512 static void free_sessions(void) 3513 { 3514 simple_ssl_session *sess, *tsess; 3515 for (sess = first; sess;) { 3516 OPENSSL_free(sess->id); 3517 OPENSSL_free(sess->der); 3518 tsess = sess; 3519 sess = sess->next; 3520 OPENSSL_free(tsess); 3521 } 3522 first = NULL; 3523 } 3524