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 static char *engine_id = NULL; 332 static const char *session_id_prefix = NULL; 333 334 static int enable_timeouts = 0; 335 static long socket_mtu; 336 #ifndef OPENSSL_NO_DTLS1 337 static int cert_chain = 0; 338 #endif 339 340 #ifndef OPENSSL_NO_TLSEXT 341 static BIO *serverinfo_in = NULL; 342 static const char *s_serverinfo_file = NULL; 343 344 #endif 345 346 #ifndef OPENSSL_NO_PSK 347 static char *psk_identity = "Client_identity"; 348 char *psk_key = NULL; /* by default PSK is not used */ 349 350 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 351 unsigned char *psk, 352 unsigned int max_psk_len) 353 { 354 long key_len = 0; 355 unsigned char *key; 356 357 if (s_debug) 358 BIO_printf(bio_s_out, "psk_server_cb\n"); 359 if (!identity) { 360 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 361 goto out_err; 362 } 363 if (s_debug) 364 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 365 (int)strlen(identity), identity); 366 367 /* here we could lookup the given identity e.g. from a database */ 368 if (strcmp(identity, psk_identity) != 0) { 369 BIO_printf(bio_s_out, "PSK error: client identity not found" 370 " (got '%s' expected '%s')\n", identity, psk_identity); 371 goto out_err; 372 } 373 if (s_debug) 374 BIO_printf(bio_s_out, "PSK client identity found\n"); 375 376 /* convert the PSK key to binary */ 377 key = string_to_hex(psk_key, &key_len); 378 if (key == NULL) { 379 BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", 380 psk_key); 381 return 0; 382 } 383 if (key_len > (int)max_psk_len) { 384 BIO_printf(bio_err, 385 "psk buffer of callback is too small (%d) for key (%ld)\n", 386 max_psk_len, key_len); 387 OPENSSL_free(key); 388 return 0; 389 } 390 391 memcpy(psk, key, key_len); 392 OPENSSL_free(key); 393 394 if (s_debug) 395 BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); 396 return key_len; 397 out_err: 398 if (s_debug) 399 BIO_printf(bio_err, "Error in PSK server callback\n"); 400 return 0; 401 } 402 #endif 403 404 #ifndef OPENSSL_NO_SRP 405 /* This is a context that we pass to callbacks */ 406 typedef struct srpsrvparm_st { 407 char *login; 408 SRP_VBASE *vb; 409 SRP_user_pwd *user; 410 } srpsrvparm; 411 412 /* 413 * This callback pretends to require some asynchronous logic in order to 414 * obtain a verifier. When the callback is called for a new connection we 415 * return with a negative value. This will provoke the accept etc to return 416 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 417 * (which would normally occur after a worker has finished) and we set the 418 * user parameters. 419 */ 420 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 421 { 422 srpsrvparm *p = (srpsrvparm *) arg; 423 int ret = SSL3_AL_FATAL; 424 425 if (p->login == NULL && p->user == NULL) { 426 p->login = SSL_get_srp_username(s); 427 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 428 return (-1); 429 } 430 431 if (p->user == NULL) { 432 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 433 goto err; 434 } 435 436 if (SSL_set_srp_server_param 437 (s, p->user->N, p->user->g, p->user->s, p->user->v, 438 p->user->info) < 0) { 439 *ad = SSL_AD_INTERNAL_ERROR; 440 goto err; 441 } 442 BIO_printf(bio_err, 443 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 444 p->login, p->user->info); 445 ret = SSL_ERROR_NONE; 446 447 err: 448 SRP_user_pwd_free(p->user); 449 p->user = NULL; 450 p->login = NULL; 451 return ret; 452 } 453 454 #endif 455 456 #ifdef MONOLITH 457 static void s_server_init(void) 458 { 459 accept_socket = -1; 460 s_server_verify = SSL_VERIFY_NONE; 461 s_dcert_file = NULL; 462 s_dkey_file = NULL; 463 s_dchain_file = NULL; 464 s_cert_file = TEST_CERT; 465 s_key_file = NULL; 466 s_chain_file = NULL; 467 # ifndef OPENSSL_NO_TLSEXT 468 s_cert_file2 = TEST_CERT2; 469 s_key_file2 = NULL; 470 ctx2 = NULL; 471 # endif 472 # ifdef FIONBIO 473 s_nbio = 0; 474 # endif 475 s_nbio_test = 0; 476 ctx = NULL; 477 www = 0; 478 479 bio_s_out = NULL; 480 s_debug = 0; 481 s_msg = 0; 482 s_quiet = 0; 483 s_brief = 0; 484 hack = 0; 485 engine_id = NULL; 486 } 487 #endif 488 489 static void sv_usage(void) 490 { 491 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 492 BIO_printf(bio_err, "\n"); 493 BIO_printf(bio_err, 494 " -accept arg - port to accept on (default is %d)\n", PORT); 495 BIO_printf(bio_err, 496 " -verify_hostname host - check peer certificate matches \"host\"\n"); 497 BIO_printf(bio_err, 498 " -verify_email email - check peer certificate matches \"email\"\n"); 499 BIO_printf(bio_err, 500 " -verify_ip ipaddr - check peer certificate matches \"ipaddr\"\n"); 501 BIO_printf(bio_err, " -context arg - set session ID context\n"); 502 BIO_printf(bio_err, 503 " -verify arg - turn on peer certificate verification\n"); 504 BIO_printf(bio_err, 505 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 506 BIO_printf(bio_err, 507 " -verify_return_error - return verification errors\n"); 508 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 509 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 510 #ifndef OPENSSL_NO_TLSEXT 511 BIO_printf(bio_err, 512 " -serverinfo arg - PEM serverinfo file for certificate\n"); 513 BIO_printf(bio_err, 514 " -auth - send and receive RFC 5878 TLS auth extensions and supplemental data\n"); 515 BIO_printf(bio_err, 516 " -auth_require_reneg - Do not send TLS auth extensions until renegotiation\n"); 517 #endif 518 BIO_printf(bio_err, 519 " -no_resumption_on_reneg - set SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION flag\n"); 520 BIO_printf(bio_err, 521 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 522 " The CRL(s) are appended to the certificate file\n"); 523 BIO_printf(bio_err, 524 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 525 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 526 " the certificate file.\n"); 527 BIO_printf(bio_err, 528 " -certform arg - certificate format (PEM or DER) PEM default\n"); 529 BIO_printf(bio_err, 530 " -key arg - Private Key file to use, in cert file if\n"); 531 BIO_printf(bio_err, " not specified (default is %s)\n", 532 TEST_CERT); 533 BIO_printf(bio_err, 534 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 535 BIO_printf(bio_err, 536 " -pass arg - private key file pass phrase source\n"); 537 BIO_printf(bio_err, 538 " -dcert arg - second certificate file to use (usually for DSA)\n"); 539 BIO_printf(bio_err, 540 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 541 BIO_printf(bio_err, 542 " -dkey arg - second private key file to use (usually for DSA)\n"); 543 BIO_printf(bio_err, 544 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 545 BIO_printf(bio_err, 546 " -dpass arg - second private key file pass phrase source\n"); 547 BIO_printf(bio_err, 548 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 549 BIO_printf(bio_err, 550 " or a default set of parameters is used\n"); 551 #ifndef OPENSSL_NO_ECDH 552 BIO_printf(bio_err, 553 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 554 " Use \"openssl ecparam -list_curves\" for all names\n" 555 " (default is nistp256).\n"); 556 #endif 557 #ifdef FIONBIO 558 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 559 #endif 560 BIO_printf(bio_err, 561 " -nbio_test - test with the non-blocking test bio\n"); 562 BIO_printf(bio_err, 563 " -crlf - convert LF from terminal into CRLF\n"); 564 BIO_printf(bio_err, " -debug - Print more output\n"); 565 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 566 BIO_printf(bio_err, " -state - Print the SSL states\n"); 567 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 568 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 569 BIO_printf(bio_err, 570 " -no_alt_chains - only ever use the first certificate chain found\n"); 571 BIO_printf(bio_err, 572 " -nocert - Don't use any certificates (Anon-DH)\n"); 573 BIO_printf(bio_err, 574 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 575 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 576 BIO_printf(bio_err, " -quiet - No server output\n"); 577 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 578 #ifndef OPENSSL_NO_PSK 579 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 580 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 581 # ifndef OPENSSL_NO_JPAKE 582 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 583 # endif 584 #endif 585 #ifndef OPENSSL_NO_SRP 586 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 587 BIO_printf(bio_err, 588 " -srpuserseed string - A seed string for a default user salt.\n"); 589 #endif 590 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 591 #ifndef OPENSSL_NO_SSL3_METHOD 592 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 593 #endif 594 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 595 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 596 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 597 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 598 BIO_printf(bio_err, " -dtls1_2 - Just talk DTLSv1.2\n"); 599 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 600 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 601 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 602 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 603 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 604 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 605 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 606 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 607 #ifndef OPENSSL_NO_DH 608 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 609 #endif 610 #ifndef OPENSSL_NO_ECDH 611 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 612 #endif 613 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 614 BIO_printf(bio_err, 615 " -hack - workaround for early Netscape code\n"); 616 BIO_printf(bio_err, 617 " -www - Respond to a 'GET /' with a status page\n"); 618 BIO_printf(bio_err, 619 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 620 BIO_printf(bio_err, 621 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 622 BIO_printf(bio_err, 623 " with the assumption it contains a complete HTTP response.\n"); 624 #ifndef OPENSSL_NO_ENGINE 625 BIO_printf(bio_err, 626 " -engine id - Initialise and use the specified engine\n"); 627 #endif 628 BIO_printf(bio_err, 629 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 630 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 631 LIST_SEPARATOR_CHAR); 632 #ifndef OPENSSL_NO_TLSEXT 633 BIO_printf(bio_err, 634 " -servername host - servername for HostName TLS extension\n"); 635 BIO_printf(bio_err, 636 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 637 BIO_printf(bio_err, 638 " -cert2 arg - certificate file to use for servername\n"); 639 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 640 BIO_printf(bio_err, 641 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 642 BIO_printf(bio_err, " not specified (default is %s)\n", 643 TEST_CERT2); 644 BIO_printf(bio_err, 645 " -tlsextdebug - hex dump of all TLS extensions received\n"); 646 BIO_printf(bio_err, 647 " -no_ticket - disable use of RFC4507bis session tickets\n"); 648 BIO_printf(bio_err, 649 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 650 BIO_printf(bio_err, 651 " -sigalgs arg - Signature algorithms to support (colon-separated list)\n"); 652 BIO_printf(bio_err, 653 " -client_sigalgs arg - Signature algorithms to support for client \n"); 654 BIO_printf(bio_err, 655 " certificate authentication (colon-separated list)\n"); 656 # ifndef OPENSSL_NO_NEXTPROTONEG 657 BIO_printf(bio_err, 658 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 659 # endif 660 # ifndef OPENSSL_NO_SRTP 661 BIO_printf(bio_err, 662 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 663 # endif 664 BIO_printf(bio_err, 665 " -alpn arg - set the advertised protocols for the ALPN extension (comma-separated list)\n"); 666 #endif 667 BIO_printf(bio_err, 668 " -keymatexport label - Export keying material using label\n"); 669 BIO_printf(bio_err, 670 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 671 BIO_printf(bio_err, 672 " -status - respond to certificate status requests\n"); 673 BIO_printf(bio_err, 674 " -status_verbose - enable status request verbose printout\n"); 675 BIO_printf(bio_err, 676 " -status_timeout n - status request responder timeout\n"); 677 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 678 } 679 680 static int local_argc = 0; 681 static char **local_argv; 682 683 #ifdef CHARSET_EBCDIC 684 static int ebcdic_new(BIO *bi); 685 static int ebcdic_free(BIO *a); 686 static int ebcdic_read(BIO *b, char *out, int outl); 687 static int ebcdic_write(BIO *b, const char *in, int inl); 688 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 689 static int ebcdic_gets(BIO *bp, char *buf, int size); 690 static int ebcdic_puts(BIO *bp, const char *str); 691 692 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 693 static BIO_METHOD methods_ebcdic = { 694 BIO_TYPE_EBCDIC_FILTER, 695 "EBCDIC/ASCII filter", 696 ebcdic_write, 697 ebcdic_read, 698 ebcdic_puts, 699 ebcdic_gets, 700 ebcdic_ctrl, 701 ebcdic_new, 702 ebcdic_free, 703 }; 704 705 typedef struct { 706 size_t alloced; 707 char buff[1]; 708 } EBCDIC_OUTBUFF; 709 710 BIO_METHOD *BIO_f_ebcdic_filter() 711 { 712 return (&methods_ebcdic); 713 } 714 715 static int ebcdic_new(BIO *bi) 716 { 717 EBCDIC_OUTBUFF *wbuf; 718 719 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 720 if (!wbuf) 721 return 0; 722 wbuf->alloced = 1024; 723 wbuf->buff[0] = '\0'; 724 725 bi->ptr = (char *)wbuf; 726 bi->init = 1; 727 bi->flags = 0; 728 return (1); 729 } 730 731 static int ebcdic_free(BIO *a) 732 { 733 if (a == NULL) 734 return (0); 735 if (a->ptr != NULL) 736 OPENSSL_free(a->ptr); 737 a->ptr = NULL; 738 a->init = 0; 739 a->flags = 0; 740 return (1); 741 } 742 743 static int ebcdic_read(BIO *b, char *out, int outl) 744 { 745 int ret = 0; 746 747 if (out == NULL || outl == 0) 748 return (0); 749 if (b->next_bio == NULL) 750 return (0); 751 752 ret = BIO_read(b->next_bio, out, outl); 753 if (ret > 0) 754 ascii2ebcdic(out, out, ret); 755 return (ret); 756 } 757 758 static int ebcdic_write(BIO *b, const char *in, int inl) 759 { 760 EBCDIC_OUTBUFF *wbuf; 761 int ret = 0; 762 int num; 763 unsigned char n; 764 765 if ((in == NULL) || (inl <= 0)) 766 return (0); 767 if (b->next_bio == NULL) 768 return (0); 769 770 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 771 772 if (inl > (num = wbuf->alloced)) { 773 num = num + num; /* double the size */ 774 if (num < inl) 775 num = inl; 776 wbuf = 777 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 778 if (!wbuf) 779 return 0; 780 OPENSSL_free(b->ptr); 781 782 wbuf->alloced = num; 783 wbuf->buff[0] = '\0'; 784 785 b->ptr = (char *)wbuf; 786 } 787 788 ebcdic2ascii(wbuf->buff, in, inl); 789 790 ret = BIO_write(b->next_bio, wbuf->buff, inl); 791 792 return (ret); 793 } 794 795 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 796 { 797 long ret; 798 799 if (b->next_bio == NULL) 800 return (0); 801 switch (cmd) { 802 case BIO_CTRL_DUP: 803 ret = 0L; 804 break; 805 default: 806 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 807 break; 808 } 809 return (ret); 810 } 811 812 static int ebcdic_gets(BIO *bp, char *buf, int size) 813 { 814 int i, ret = 0; 815 if (bp->next_bio == NULL) 816 return (0); 817 /* return(BIO_gets(bp->next_bio,buf,size));*/ 818 for (i = 0; i < size - 1; ++i) { 819 ret = ebcdic_read(bp, &buf[i], 1); 820 if (ret <= 0) 821 break; 822 else if (buf[i] == '\n') { 823 ++i; 824 break; 825 } 826 } 827 if (i < size) 828 buf[i] = '\0'; 829 return (ret < 0 && i == 0) ? ret : i; 830 } 831 832 static int ebcdic_puts(BIO *bp, const char *str) 833 { 834 if (bp->next_bio == NULL) 835 return (0); 836 return ebcdic_write(bp, str, strlen(str)); 837 } 838 #endif 839 840 #ifndef OPENSSL_NO_TLSEXT 841 842 /* This is a context that we pass to callbacks */ 843 typedef struct tlsextctx_st { 844 char *servername; 845 BIO *biodebug; 846 int extension_error; 847 } tlsextctx; 848 849 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 850 { 851 tlsextctx *p = (tlsextctx *) arg; 852 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 853 if (servername && p->biodebug) 854 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 855 servername); 856 857 if (!p->servername) 858 return SSL_TLSEXT_ERR_NOACK; 859 860 if (servername) { 861 if (strcasecmp(servername, p->servername)) 862 return p->extension_error; 863 if (ctx2) { 864 BIO_printf(p->biodebug, "Switching server context.\n"); 865 SSL_set_SSL_CTX(s, ctx2); 866 } 867 } 868 return SSL_TLSEXT_ERR_OK; 869 } 870 871 /* Structure passed to cert status callback */ 872 873 typedef struct tlsextstatusctx_st { 874 /* Default responder to use */ 875 char *host, *path, *port; 876 int use_ssl; 877 int timeout; 878 BIO *err; 879 int verbose; 880 } tlsextstatusctx; 881 882 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 883 884 /* 885 * Certificate Status callback. This is called when a client includes a 886 * certificate status request extension. This is a simplified version. It 887 * examines certificates each time and makes one OCSP responder query for 888 * each request. A full version would store details such as the OCSP 889 * certificate IDs and minimise the number of OCSP responses by caching them 890 * until they were considered "expired". 891 */ 892 893 static int cert_status_cb(SSL *s, void *arg) 894 { 895 tlsextstatusctx *srctx = arg; 896 BIO *err = srctx->err; 897 char *host, *port, *path; 898 int use_ssl; 899 unsigned char *rspder = NULL; 900 int rspderlen; 901 STACK_OF(OPENSSL_STRING) *aia = NULL; 902 X509 *x = NULL; 903 X509_STORE_CTX inctx; 904 X509_OBJECT obj; 905 OCSP_REQUEST *req = NULL; 906 OCSP_RESPONSE *resp = NULL; 907 OCSP_CERTID *id = NULL; 908 STACK_OF(X509_EXTENSION) *exts; 909 int ret = SSL_TLSEXT_ERR_NOACK; 910 int i; 911 # if 0 912 STACK_OF(OCSP_RESPID) *ids; 913 SSL_get_tlsext_status_ids(s, &ids); 914 BIO_printf(err, "cert_status: received %d ids\n", 915 sk_OCSP_RESPID_num(ids)); 916 # endif 917 if (srctx->verbose) 918 BIO_puts(err, "cert_status: callback called\n"); 919 /* Build up OCSP query from server certificate */ 920 x = SSL_get_certificate(s); 921 aia = X509_get1_ocsp(x); 922 if (aia) { 923 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 924 &host, &port, &path, &use_ssl)) { 925 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 926 goto err; 927 } 928 if (srctx->verbose) 929 BIO_printf(err, "cert_status: AIA URL: %s\n", 930 sk_OPENSSL_STRING_value(aia, 0)); 931 } else { 932 if (!srctx->host) { 933 BIO_puts(srctx->err, 934 "cert_status: no AIA and no default responder URL\n"); 935 goto done; 936 } 937 host = srctx->host; 938 path = srctx->path; 939 port = srctx->port; 940 use_ssl = srctx->use_ssl; 941 } 942 943 if (!X509_STORE_CTX_init(&inctx, 944 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 945 NULL, NULL)) 946 goto err; 947 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 948 X509_get_issuer_name(x), &obj) <= 0) { 949 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 950 X509_STORE_CTX_cleanup(&inctx); 951 goto done; 952 } 953 req = OCSP_REQUEST_new(); 954 if (!req) 955 goto err; 956 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 957 X509_free(obj.data.x509); 958 X509_STORE_CTX_cleanup(&inctx); 959 if (!id) 960 goto err; 961 if (!OCSP_request_add0_id(req, id)) 962 goto err; 963 id = NULL; 964 /* Add any extensions to the request */ 965 SSL_get_tlsext_status_exts(s, &exts); 966 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 967 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 968 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 969 goto err; 970 } 971 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 972 srctx->timeout); 973 if (!resp) { 974 BIO_puts(err, "cert_status: error querying responder\n"); 975 goto done; 976 } 977 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 978 if (rspderlen <= 0) 979 goto err; 980 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 981 if (srctx->verbose) { 982 BIO_puts(err, "cert_status: ocsp response sent:\n"); 983 OCSP_RESPONSE_print(err, resp, 2); 984 } 985 ret = SSL_TLSEXT_ERR_OK; 986 done: 987 if (ret != SSL_TLSEXT_ERR_OK) 988 ERR_print_errors(err); 989 if (aia) { 990 OPENSSL_free(host); 991 OPENSSL_free(path); 992 OPENSSL_free(port); 993 X509_email_free(aia); 994 } 995 if (id) 996 OCSP_CERTID_free(id); 997 if (req) 998 OCSP_REQUEST_free(req); 999 if (resp) 1000 OCSP_RESPONSE_free(resp); 1001 return ret; 1002 err: 1003 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 1004 goto done; 1005 } 1006 1007 # ifndef OPENSSL_NO_NEXTPROTONEG 1008 /* This is the context that we pass to next_proto_cb */ 1009 typedef struct tlsextnextprotoctx_st { 1010 unsigned char *data; 1011 unsigned int len; 1012 } tlsextnextprotoctx; 1013 1014 static int next_proto_cb(SSL *s, const unsigned char **data, 1015 unsigned int *len, void *arg) 1016 { 1017 tlsextnextprotoctx *next_proto = arg; 1018 1019 *data = next_proto->data; 1020 *len = next_proto->len; 1021 1022 return SSL_TLSEXT_ERR_OK; 1023 } 1024 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 1025 1026 /* This the context that we pass to alpn_cb */ 1027 typedef struct tlsextalpnctx_st { 1028 unsigned char *data; 1029 unsigned short len; 1030 } tlsextalpnctx; 1031 1032 static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, 1033 const unsigned char *in, unsigned int inlen, void *arg) 1034 { 1035 tlsextalpnctx *alpn_ctx = arg; 1036 1037 if (!s_quiet) { 1038 /* We can assume that |in| is syntactically valid. */ 1039 unsigned i; 1040 BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); 1041 for (i = 0; i < inlen;) { 1042 if (i) 1043 BIO_write(bio_s_out, ", ", 2); 1044 BIO_write(bio_s_out, &in[i + 1], in[i]); 1045 i += in[i] + 1; 1046 } 1047 BIO_write(bio_s_out, "\n", 1); 1048 } 1049 1050 if (SSL_select_next_proto 1051 ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, 1052 inlen) != OPENSSL_NPN_NEGOTIATED) { 1053 return SSL_TLSEXT_ERR_NOACK; 1054 } 1055 1056 if (!s_quiet) { 1057 BIO_printf(bio_s_out, "ALPN protocols selected: "); 1058 BIO_write(bio_s_out, *out, *outlen); 1059 BIO_write(bio_s_out, "\n", 1); 1060 } 1061 1062 return SSL_TLSEXT_ERR_OK; 1063 } 1064 #endif /* ndef OPENSSL_NO_TLSEXT */ 1065 1066 int MAIN(int, char **); 1067 1068 #ifndef OPENSSL_NO_JPAKE 1069 static char *jpake_secret = NULL; 1070 # define no_jpake !jpake_secret 1071 #else 1072 # define no_jpake 1 1073 #endif 1074 #ifndef OPENSSL_NO_SRP 1075 static srpsrvparm srp_callback_parm; 1076 #endif 1077 #ifndef OPENSSL_NO_SRTP 1078 static char *srtp_profiles = NULL; 1079 #endif 1080 1081 int MAIN(int argc, char *argv[]) 1082 { 1083 X509_VERIFY_PARAM *vpm = NULL; 1084 int badarg = 0; 1085 short port = PORT; 1086 char *CApath = NULL, *CAfile = NULL; 1087 char *chCApath = NULL, *chCAfile = NULL; 1088 char *vfyCApath = NULL, *vfyCAfile = NULL; 1089 unsigned char *context = NULL; 1090 char *dhfile = NULL; 1091 int badop = 0; 1092 int ret = 1; 1093 int build_chain = 0; 1094 int no_tmp_rsa = 0, no_dhe = 0, no_ecdhe = 0, nocert = 0; 1095 int state = 0; 1096 const SSL_METHOD *meth = NULL; 1097 int socket_type = SOCK_STREAM; 1098 ENGINE *e = NULL; 1099 char *inrand = NULL; 1100 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1101 char *passarg = NULL, *pass = NULL; 1102 char *dpassarg = NULL, *dpass = NULL; 1103 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1104 X509 *s_cert = NULL, *s_dcert = NULL; 1105 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1106 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1107 int no_cache = 0, ext_cache = 0; 1108 int rev = 0, naccept = -1; 1109 #ifndef OPENSSL_NO_TLSEXT 1110 EVP_PKEY *s_key2 = NULL; 1111 X509 *s_cert2 = NULL; 1112 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1113 # ifndef OPENSSL_NO_NEXTPROTONEG 1114 const char *next_proto_neg_in = NULL; 1115 tlsextnextprotoctx next_proto = { NULL, 0 }; 1116 # endif 1117 const char *alpn_in = NULL; 1118 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1119 #endif 1120 #ifndef OPENSSL_NO_PSK 1121 /* by default do not send a PSK identity hint */ 1122 static char *psk_identity_hint = NULL; 1123 #endif 1124 #ifndef OPENSSL_NO_SRP 1125 char *srpuserseed = NULL; 1126 char *srp_verifier_file = NULL; 1127 #endif 1128 SSL_EXCERT *exc = NULL; 1129 SSL_CONF_CTX *cctx = NULL; 1130 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1131 1132 char *crl_file = NULL; 1133 int crl_format = FORMAT_PEM; 1134 int crl_download = 0; 1135 STACK_OF(X509_CRL) *crls = NULL; 1136 int prot_opt = 0, no_prot_opt = 0; 1137 1138 meth = SSLv23_server_method(); 1139 1140 local_argc = argc; 1141 local_argv = argv; 1142 1143 apps_startup(); 1144 #ifdef MONOLITH 1145 s_server_init(); 1146 #endif 1147 1148 if (bio_err == NULL) 1149 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1150 1151 if (!load_config(bio_err, NULL)) 1152 goto end; 1153 1154 cctx = SSL_CONF_CTX_new(); 1155 if (!cctx) 1156 goto end; 1157 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); 1158 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 1159 1160 verify_depth = 0; 1161 #ifdef FIONBIO 1162 s_nbio = 0; 1163 #endif 1164 s_nbio_test = 0; 1165 1166 argc--; 1167 argv++; 1168 1169 while (argc >= 1) { 1170 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1171 if (--argc < 1) 1172 goto bad; 1173 if (!extract_port(*(++argv), &port)) 1174 goto bad; 1175 } else if (strcmp(*argv, "-naccept") == 0) { 1176 if (--argc < 1) 1177 goto bad; 1178 naccept = atol(*(++argv)); 1179 if (naccept <= 0) { 1180 BIO_printf(bio_err, "bad accept value %s\n", *argv); 1181 goto bad; 1182 } 1183 } else if (strcmp(*argv, "-verify") == 0) { 1184 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1185 if (--argc < 1) 1186 goto bad; 1187 verify_depth = atoi(*(++argv)); 1188 if (!s_quiet) 1189 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1190 } else if (strcmp(*argv, "-Verify") == 0) { 1191 s_server_verify = 1192 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1193 SSL_VERIFY_CLIENT_ONCE; 1194 if (--argc < 1) 1195 goto bad; 1196 verify_depth = atoi(*(++argv)); 1197 if (!s_quiet) 1198 BIO_printf(bio_err, 1199 "verify depth is %d, must return a certificate\n", 1200 verify_depth); 1201 } else if (strcmp(*argv, "-context") == 0) { 1202 if (--argc < 1) 1203 goto bad; 1204 context = (unsigned char *)*(++argv); 1205 } else if (strcmp(*argv, "-cert") == 0) { 1206 if (--argc < 1) 1207 goto bad; 1208 s_cert_file = *(++argv); 1209 } else if (strcmp(*argv, "-CRL") == 0) { 1210 if (--argc < 1) 1211 goto bad; 1212 crl_file = *(++argv); 1213 } else if (strcmp(*argv, "-crl_download") == 0) 1214 crl_download = 1; 1215 #ifndef OPENSSL_NO_TLSEXT 1216 else if (strcmp(*argv, "-serverinfo") == 0) { 1217 if (--argc < 1) 1218 goto bad; 1219 s_serverinfo_file = *(++argv); 1220 } 1221 #endif 1222 else if (strcmp(*argv, "-certform") == 0) { 1223 if (--argc < 1) 1224 goto bad; 1225 s_cert_format = str2fmt(*(++argv)); 1226 } else if (strcmp(*argv, "-key") == 0) { 1227 if (--argc < 1) 1228 goto bad; 1229 s_key_file = *(++argv); 1230 } else if (strcmp(*argv, "-keyform") == 0) { 1231 if (--argc < 1) 1232 goto bad; 1233 s_key_format = str2fmt(*(++argv)); 1234 } else if (strcmp(*argv, "-pass") == 0) { 1235 if (--argc < 1) 1236 goto bad; 1237 passarg = *(++argv); 1238 } else if (strcmp(*argv, "-cert_chain") == 0) { 1239 if (--argc < 1) 1240 goto bad; 1241 s_chain_file = *(++argv); 1242 } else if (strcmp(*argv, "-dhparam") == 0) { 1243 if (--argc < 1) 1244 goto bad; 1245 dhfile = *(++argv); 1246 } else if (strcmp(*argv, "-dcertform") == 0) { 1247 if (--argc < 1) 1248 goto bad; 1249 s_dcert_format = str2fmt(*(++argv)); 1250 } else if (strcmp(*argv, "-dcert") == 0) { 1251 if (--argc < 1) 1252 goto bad; 1253 s_dcert_file = *(++argv); 1254 } else if (strcmp(*argv, "-dkeyform") == 0) { 1255 if (--argc < 1) 1256 goto bad; 1257 s_dkey_format = str2fmt(*(++argv)); 1258 } else if (strcmp(*argv, "-dpass") == 0) { 1259 if (--argc < 1) 1260 goto bad; 1261 dpassarg = *(++argv); 1262 } else if (strcmp(*argv, "-dkey") == 0) { 1263 if (--argc < 1) 1264 goto bad; 1265 s_dkey_file = *(++argv); 1266 } else if (strcmp(*argv, "-dcert_chain") == 0) { 1267 if (--argc < 1) 1268 goto bad; 1269 s_dchain_file = *(++argv); 1270 } else if (strcmp(*argv, "-nocert") == 0) { 1271 nocert = 1; 1272 } else if (strcmp(*argv, "-CApath") == 0) { 1273 if (--argc < 1) 1274 goto bad; 1275 CApath = *(++argv); 1276 } else if (strcmp(*argv, "-chainCApath") == 0) { 1277 if (--argc < 1) 1278 goto bad; 1279 chCApath = *(++argv); 1280 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1281 if (--argc < 1) 1282 goto bad; 1283 vfyCApath = *(++argv); 1284 } else if (strcmp(*argv, "-no_cache") == 0) 1285 no_cache = 1; 1286 else if (strcmp(*argv, "-ext_cache") == 0) 1287 ext_cache = 1; 1288 else if (strcmp(*argv, "-CRLform") == 0) { 1289 if (--argc < 1) 1290 goto bad; 1291 crl_format = str2fmt(*(++argv)); 1292 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1293 if (badarg) 1294 goto bad; 1295 continue; 1296 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 1297 if (badarg) 1298 goto bad; 1299 continue; 1300 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args, 1301 &no_prot_opt)) { 1302 if (badarg) 1303 goto bad; 1304 continue; 1305 } else if (strcmp(*argv, "-verify_return_error") == 0) 1306 verify_return_error = 1; 1307 else if (strcmp(*argv, "-verify_quiet") == 0) 1308 verify_quiet = 1; 1309 else if (strcmp(*argv, "-build_chain") == 0) 1310 build_chain = 1; 1311 else if (strcmp(*argv, "-CAfile") == 0) { 1312 if (--argc < 1) 1313 goto bad; 1314 CAfile = *(++argv); 1315 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1316 if (--argc < 1) 1317 goto bad; 1318 chCAfile = *(++argv); 1319 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1320 if (--argc < 1) 1321 goto bad; 1322 vfyCAfile = *(++argv); 1323 } 1324 #ifdef FIONBIO 1325 else if (strcmp(*argv, "-nbio") == 0) { 1326 s_nbio = 1; 1327 } 1328 #endif 1329 else if (strcmp(*argv, "-nbio_test") == 0) { 1330 #ifdef FIONBIO 1331 s_nbio = 1; 1332 #endif 1333 s_nbio_test = 1; 1334 } else if (strcmp(*argv, "-ign_eof") == 0) 1335 s_ign_eof = 1; 1336 else if (strcmp(*argv, "-no_ign_eof") == 0) 1337 s_ign_eof = 0; 1338 else if (strcmp(*argv, "-debug") == 0) { 1339 s_debug = 1; 1340 } 1341 #ifndef OPENSSL_NO_TLSEXT 1342 else if (strcmp(*argv, "-tlsextdebug") == 0) 1343 s_tlsextdebug = 1; 1344 else if (strcmp(*argv, "-status") == 0) 1345 s_tlsextstatus = 1; 1346 else if (strcmp(*argv, "-status_verbose") == 0) { 1347 s_tlsextstatus = 1; 1348 tlscstatp.verbose = 1; 1349 } else if (!strcmp(*argv, "-status_timeout")) { 1350 s_tlsextstatus = 1; 1351 if (--argc < 1) 1352 goto bad; 1353 tlscstatp.timeout = atoi(*(++argv)); 1354 } else if (!strcmp(*argv, "-status_url")) { 1355 s_tlsextstatus = 1; 1356 if (--argc < 1) 1357 goto bad; 1358 if (!OCSP_parse_url(*(++argv), 1359 &tlscstatp.host, 1360 &tlscstatp.port, 1361 &tlscstatp.path, &tlscstatp.use_ssl)) { 1362 BIO_printf(bio_err, "Error parsing URL\n"); 1363 goto bad; 1364 } 1365 } 1366 #endif 1367 else if (strcmp(*argv, "-msg") == 0) { 1368 s_msg = 1; 1369 } else if (strcmp(*argv, "-msgfile") == 0) { 1370 if (--argc < 1) 1371 goto bad; 1372 bio_s_msg = BIO_new_file(*(++argv), "w"); 1373 } 1374 #ifndef OPENSSL_NO_SSL_TRACE 1375 else if (strcmp(*argv, "-trace") == 0) { 1376 s_msg = 2; 1377 } 1378 #endif 1379 else if (strcmp(*argv, "-hack") == 0) { 1380 hack = 1; 1381 } else if (strcmp(*argv, "-state") == 0) { 1382 state = 1; 1383 } else if (strcmp(*argv, "-crlf") == 0) { 1384 s_crlf = 1; 1385 } else if (strcmp(*argv, "-quiet") == 0) { 1386 s_quiet = 1; 1387 } else if (strcmp(*argv, "-brief") == 0) { 1388 s_quiet = 1; 1389 s_brief = 1; 1390 verify_quiet = 1; 1391 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1392 no_tmp_rsa = 1; 1393 } else if (strcmp(*argv, "-no_dhe") == 0) { 1394 no_dhe = 1; 1395 } else if (strcmp(*argv, "-no_ecdhe") == 0) { 1396 no_ecdhe = 1; 1397 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1398 no_resume_ephemeral = 1; 1399 } 1400 #ifndef OPENSSL_NO_PSK 1401 else if (strcmp(*argv, "-psk_hint") == 0) { 1402 if (--argc < 1) 1403 goto bad; 1404 psk_identity_hint = *(++argv); 1405 } else if (strcmp(*argv, "-psk") == 0) { 1406 size_t i; 1407 1408 if (--argc < 1) 1409 goto bad; 1410 psk_key = *(++argv); 1411 for (i = 0; i < strlen(psk_key); i++) { 1412 if (isxdigit((unsigned char)psk_key[i])) 1413 continue; 1414 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1415 goto bad; 1416 } 1417 } 1418 #endif 1419 #ifndef OPENSSL_NO_SRP 1420 else if (strcmp(*argv, "-srpvfile") == 0) { 1421 if (--argc < 1) 1422 goto bad; 1423 srp_verifier_file = *(++argv); 1424 meth = TLSv1_server_method(); 1425 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1426 if (--argc < 1) 1427 goto bad; 1428 srpuserseed = *(++argv); 1429 meth = TLSv1_server_method(); 1430 } 1431 #endif 1432 else if (strcmp(*argv, "-rev") == 0) { 1433 rev = 1; 1434 } else if (strcmp(*argv, "-www") == 0) { 1435 www = 1; 1436 } else if (strcmp(*argv, "-WWW") == 0) { 1437 www = 2; 1438 } else if (strcmp(*argv, "-HTTP") == 0) { 1439 www = 3; 1440 } 1441 #ifndef OPENSSL_NO_SSL2 1442 else if (strcmp(*argv, "-ssl2") == 0) { 1443 no_ecdhe = 1; 1444 meth = SSLv2_server_method(); 1445 prot_opt++; 1446 } 1447 #endif 1448 #ifndef OPENSSL_NO_SSL3_METHOD 1449 else if (strcmp(*argv, "-ssl3") == 0) { 1450 meth = SSLv3_server_method(); 1451 prot_opt++; 1452 } 1453 #endif 1454 #ifndef OPENSSL_NO_TLS1 1455 else if (strcmp(*argv, "-tls1") == 0) { 1456 meth = TLSv1_server_method(); 1457 prot_opt++; 1458 } else if (strcmp(*argv, "-tls1_1") == 0) { 1459 meth = TLSv1_1_server_method(); 1460 prot_opt++; 1461 } else if (strcmp(*argv, "-tls1_2") == 0) { 1462 meth = TLSv1_2_server_method(); 1463 prot_opt++; 1464 } 1465 #endif 1466 #ifndef OPENSSL_NO_DTLS1 1467 else if (strcmp(*argv, "-dtls") == 0) { 1468 meth = DTLS_server_method(); 1469 socket_type = SOCK_DGRAM; 1470 prot_opt++; 1471 } else if (strcmp(*argv, "-dtls1") == 0) { 1472 meth = DTLSv1_server_method(); 1473 socket_type = SOCK_DGRAM; 1474 prot_opt++; 1475 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1476 meth = DTLSv1_2_server_method(); 1477 socket_type = SOCK_DGRAM; 1478 prot_opt++; 1479 } else if (strcmp(*argv, "-timeout") == 0) 1480 enable_timeouts = 1; 1481 else if (strcmp(*argv, "-mtu") == 0) { 1482 if (--argc < 1) 1483 goto bad; 1484 socket_mtu = atol(*(++argv)); 1485 } else if (strcmp(*argv, "-chain") == 0) 1486 cert_chain = 1; 1487 #endif 1488 else if (strcmp(*argv, "-id_prefix") == 0) { 1489 if (--argc < 1) 1490 goto bad; 1491 session_id_prefix = *(++argv); 1492 } 1493 #ifndef OPENSSL_NO_ENGINE 1494 else if (strcmp(*argv, "-engine") == 0) { 1495 if (--argc < 1) 1496 goto bad; 1497 engine_id = *(++argv); 1498 } 1499 #endif 1500 else if (strcmp(*argv, "-rand") == 0) { 1501 if (--argc < 1) 1502 goto bad; 1503 inrand = *(++argv); 1504 } 1505 #ifndef OPENSSL_NO_TLSEXT 1506 else if (strcmp(*argv, "-servername") == 0) { 1507 if (--argc < 1) 1508 goto bad; 1509 tlsextcbp.servername = *(++argv); 1510 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1511 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1512 } else if (strcmp(*argv, "-cert2") == 0) { 1513 if (--argc < 1) 1514 goto bad; 1515 s_cert_file2 = *(++argv); 1516 } else if (strcmp(*argv, "-key2") == 0) { 1517 if (--argc < 1) 1518 goto bad; 1519 s_key_file2 = *(++argv); 1520 } 1521 # ifndef OPENSSL_NO_NEXTPROTONEG 1522 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1523 if (--argc < 1) 1524 goto bad; 1525 next_proto_neg_in = *(++argv); 1526 } 1527 # endif 1528 else if (strcmp(*argv, "-alpn") == 0) { 1529 if (--argc < 1) 1530 goto bad; 1531 alpn_in = *(++argv); 1532 } 1533 #endif 1534 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1535 else if (strcmp(*argv, "-jpake") == 0) { 1536 if (--argc < 1) 1537 goto bad; 1538 jpake_secret = *(++argv); 1539 } 1540 #endif 1541 #ifndef OPENSSL_NO_SRTP 1542 else if (strcmp(*argv, "-use_srtp") == 0) { 1543 if (--argc < 1) 1544 goto bad; 1545 srtp_profiles = *(++argv); 1546 } 1547 #endif 1548 else if (strcmp(*argv, "-keymatexport") == 0) { 1549 if (--argc < 1) 1550 goto bad; 1551 keymatexportlabel = *(++argv); 1552 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1553 if (--argc < 1) 1554 goto bad; 1555 keymatexportlen = atoi(*(++argv)); 1556 if (keymatexportlen == 0) 1557 goto bad; 1558 } else { 1559 BIO_printf(bio_err, "unknown option %s\n", *argv); 1560 badop = 1; 1561 break; 1562 } 1563 argc--; 1564 argv++; 1565 } 1566 if (badop) { 1567 bad: 1568 sv_usage(); 1569 goto end; 1570 } 1571 #ifndef OPENSSL_NO_DTLS1 1572 if (www && socket_type == SOCK_DGRAM) { 1573 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1574 goto end; 1575 } 1576 #endif 1577 1578 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1579 if (jpake_secret) { 1580 if (psk_key) { 1581 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1582 goto end; 1583 } 1584 psk_identity = "JPAKE"; 1585 } 1586 #endif 1587 1588 if (prot_opt > 1) { 1589 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 1590 goto end; 1591 } 1592 1593 if (prot_opt == 1 && no_prot_opt) { 1594 BIO_printf(bio_err, "Cannot supply both a protocol flag and " 1595 "\"-no_<prot>\"\n"); 1596 goto end; 1597 } 1598 1599 SSL_load_error_strings(); 1600 OpenSSL_add_ssl_algorithms(); 1601 1602 e = setup_engine(bio_err, engine_id, 1); 1603 1604 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1605 BIO_printf(bio_err, "Error getting password\n"); 1606 goto end; 1607 } 1608 1609 if (s_key_file == NULL) 1610 s_key_file = s_cert_file; 1611 #ifndef OPENSSL_NO_TLSEXT 1612 if (s_key_file2 == NULL) 1613 s_key_file2 = s_cert_file2; 1614 #endif 1615 1616 if (!load_excert(&exc, bio_err)) 1617 goto end; 1618 1619 if (nocert == 0) { 1620 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1621 "server certificate private key file"); 1622 if (!s_key) { 1623 ERR_print_errors(bio_err); 1624 goto end; 1625 } 1626 1627 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1628 NULL, e, "server certificate file"); 1629 1630 if (!s_cert) { 1631 ERR_print_errors(bio_err); 1632 goto end; 1633 } 1634 if (s_chain_file) { 1635 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1636 NULL, e, "server certificate chain"); 1637 if (!s_chain) 1638 goto end; 1639 } 1640 #ifndef OPENSSL_NO_TLSEXT 1641 if (tlsextcbp.servername) { 1642 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1643 "second server certificate private key file"); 1644 if (!s_key2) { 1645 ERR_print_errors(bio_err); 1646 goto end; 1647 } 1648 1649 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1650 NULL, e, "second server certificate file"); 1651 1652 if (!s_cert2) { 1653 ERR_print_errors(bio_err); 1654 goto end; 1655 } 1656 } 1657 #endif /* OPENSSL_NO_TLSEXT */ 1658 } 1659 #if !defined(OPENSSL_NO_TLSEXT) 1660 # if !defined(OPENSSL_NO_NEXTPROTONEG) 1661 if (next_proto_neg_in) { 1662 unsigned short len; 1663 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1664 if (next_proto.data == NULL) 1665 goto end; 1666 next_proto.len = len; 1667 } else { 1668 next_proto.data = NULL; 1669 } 1670 # endif 1671 alpn_ctx.data = NULL; 1672 if (alpn_in) { 1673 unsigned short len; 1674 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1675 if (alpn_ctx.data == NULL) 1676 goto end; 1677 alpn_ctx.len = len; 1678 } 1679 #endif 1680 1681 if (crl_file) { 1682 X509_CRL *crl; 1683 crl = load_crl(crl_file, crl_format); 1684 if (!crl) { 1685 BIO_puts(bio_err, "Error loading CRL\n"); 1686 ERR_print_errors(bio_err); 1687 goto end; 1688 } 1689 crls = sk_X509_CRL_new_null(); 1690 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1691 BIO_puts(bio_err, "Error adding CRL\n"); 1692 ERR_print_errors(bio_err); 1693 X509_CRL_free(crl); 1694 goto end; 1695 } 1696 } 1697 1698 if (s_dcert_file) { 1699 1700 if (s_dkey_file == NULL) 1701 s_dkey_file = s_dcert_file; 1702 1703 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1704 0, dpass, e, "second certificate private key file"); 1705 if (!s_dkey) { 1706 ERR_print_errors(bio_err); 1707 goto end; 1708 } 1709 1710 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1711 NULL, e, "second server certificate file"); 1712 1713 if (!s_dcert) { 1714 ERR_print_errors(bio_err); 1715 goto end; 1716 } 1717 if (s_dchain_file) { 1718 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1719 NULL, e, "second server certificate chain"); 1720 if (!s_dchain) 1721 goto end; 1722 } 1723 1724 } 1725 1726 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1727 && !RAND_status()) { 1728 BIO_printf(bio_err, 1729 "warning, not much extra random data, consider using the -rand option\n"); 1730 } 1731 if (inrand != NULL) 1732 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1733 app_RAND_load_files(inrand)); 1734 1735 if (bio_s_out == NULL) { 1736 if (s_quiet && !s_debug) { 1737 bio_s_out = BIO_new(BIO_s_null()); 1738 if (s_msg && !bio_s_msg) 1739 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1740 } else { 1741 if (bio_s_out == NULL) 1742 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1743 } 1744 } 1745 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1746 if (nocert) 1747 #endif 1748 { 1749 s_cert_file = NULL; 1750 s_key_file = NULL; 1751 s_dcert_file = NULL; 1752 s_dkey_file = NULL; 1753 #ifndef OPENSSL_NO_TLSEXT 1754 s_cert_file2 = NULL; 1755 s_key_file2 = NULL; 1756 #endif 1757 } 1758 1759 ctx = SSL_CTX_new(meth); 1760 if (ctx == NULL) { 1761 ERR_print_errors(bio_err); 1762 goto end; 1763 } 1764 if (session_id_prefix) { 1765 if (strlen(session_id_prefix) >= 32) 1766 BIO_printf(bio_err, 1767 "warning: id_prefix is too long, only one new session will be possible\n"); 1768 else if (strlen(session_id_prefix) >= 16) 1769 BIO_printf(bio_err, 1770 "warning: id_prefix is too long if you use SSLv2\n"); 1771 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1772 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1773 ERR_print_errors(bio_err); 1774 goto end; 1775 } 1776 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1777 } 1778 SSL_CTX_set_quiet_shutdown(ctx, 1); 1779 if (hack) 1780 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1781 if (exc) 1782 ssl_ctx_set_excert(ctx, exc); 1783 1784 if (state) 1785 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1786 if (no_cache) 1787 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1788 else if (ext_cache) 1789 init_session_cache_ctx(ctx); 1790 else 1791 SSL_CTX_sess_set_cache_size(ctx, 128); 1792 1793 #ifndef OPENSSL_NO_SRTP 1794 if (srtp_profiles != NULL) 1795 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1796 #endif 1797 1798 #if 0 1799 if (cipher == NULL) 1800 cipher = getenv("SSL_CIPHER"); 1801 #endif 1802 1803 #if 0 1804 if (s_cert_file == NULL) { 1805 BIO_printf(bio_err, 1806 "You must specify a certificate file for the server to use\n"); 1807 goto end; 1808 } 1809 #endif 1810 1811 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1812 (!SSL_CTX_set_default_verify_paths(ctx))) { 1813 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1814 ERR_print_errors(bio_err); 1815 /* goto end; */ 1816 } 1817 if (vpm) 1818 SSL_CTX_set1_param(ctx, vpm); 1819 1820 ssl_ctx_add_crls(ctx, crls, 0); 1821 1822 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1823 goto end; 1824 1825 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1826 crls, crl_download)) { 1827 BIO_printf(bio_err, "Error loading store locations\n"); 1828 ERR_print_errors(bio_err); 1829 goto end; 1830 } 1831 #ifndef OPENSSL_NO_TLSEXT 1832 if (s_cert2) { 1833 ctx2 = SSL_CTX_new(meth); 1834 if (ctx2 == NULL) { 1835 ERR_print_errors(bio_err); 1836 goto end; 1837 } 1838 } 1839 1840 if (ctx2) { 1841 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1842 1843 if (session_id_prefix) { 1844 if (strlen(session_id_prefix) >= 32) 1845 BIO_printf(bio_err, 1846 "warning: id_prefix is too long, only one new session will be possible\n"); 1847 else if (strlen(session_id_prefix) >= 16) 1848 BIO_printf(bio_err, 1849 "warning: id_prefix is too long if you use SSLv2\n"); 1850 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1851 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1852 ERR_print_errors(bio_err); 1853 goto end; 1854 } 1855 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1856 } 1857 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1858 if (hack) 1859 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1860 if (exc) 1861 ssl_ctx_set_excert(ctx2, exc); 1862 1863 if (state) 1864 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1865 1866 if (no_cache) 1867 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1868 else if (ext_cache) 1869 init_session_cache_ctx(ctx2); 1870 else 1871 SSL_CTX_sess_set_cache_size(ctx2, 128); 1872 1873 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1874 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1875 ERR_print_errors(bio_err); 1876 } 1877 if (vpm) 1878 SSL_CTX_set1_param(ctx2, vpm); 1879 1880 ssl_ctx_add_crls(ctx2, crls, 0); 1881 1882 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1883 goto end; 1884 1885 } 1886 # ifndef OPENSSL_NO_NEXTPROTONEG 1887 if (next_proto.data) 1888 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1889 &next_proto); 1890 # endif 1891 if (alpn_ctx.data) 1892 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1893 #endif 1894 1895 #ifndef OPENSSL_NO_DH 1896 if (!no_dhe) { 1897 DH *dh = NULL; 1898 1899 if (dhfile) 1900 dh = load_dh_param(dhfile); 1901 else if (s_cert_file) 1902 dh = load_dh_param(s_cert_file); 1903 1904 if (dh != NULL) { 1905 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1906 } else { 1907 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1908 dh = get_dh2048(); 1909 if (dh == NULL) { 1910 ERR_print_errors(bio_err); 1911 goto end; 1912 } 1913 } 1914 (void)BIO_flush(bio_s_out); 1915 1916 SSL_CTX_set_tmp_dh(ctx, dh); 1917 # ifndef OPENSSL_NO_TLSEXT 1918 if (ctx2) { 1919 if (!dhfile) { 1920 DH *dh2 = load_dh_param(s_cert_file2); 1921 if (dh2 != NULL) { 1922 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1923 (void)BIO_flush(bio_s_out); 1924 1925 DH_free(dh); 1926 dh = dh2; 1927 } 1928 } 1929 SSL_CTX_set_tmp_dh(ctx2, dh); 1930 } 1931 # endif 1932 DH_free(dh); 1933 } 1934 #endif 1935 1936 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1937 goto end; 1938 #ifndef OPENSSL_NO_TLSEXT 1939 if (s_serverinfo_file != NULL 1940 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1941 ERR_print_errors(bio_err); 1942 goto end; 1943 } 1944 #endif 1945 #ifndef OPENSSL_NO_TLSEXT 1946 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1947 goto end; 1948 #endif 1949 if (s_dcert != NULL) { 1950 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1951 goto end; 1952 } 1953 #ifndef OPENSSL_NO_RSA 1954 # if 1 1955 if (!no_tmp_rsa) { 1956 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1957 # ifndef OPENSSL_NO_TLSEXT 1958 if (ctx2) 1959 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1960 # endif 1961 } 1962 # else 1963 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1964 RSA *rsa; 1965 1966 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1967 BIO_flush(bio_s_out); 1968 1969 rsa = RSA_generate_key(512, RSA_F4, NULL); 1970 1971 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1972 ERR_print_errors(bio_err); 1973 goto end; 1974 } 1975 # ifndef OPENSSL_NO_TLSEXT 1976 if (ctx2) { 1977 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1978 ERR_print_errors(bio_err); 1979 goto end; 1980 } 1981 } 1982 # endif 1983 RSA_free(rsa); 1984 BIO_printf(bio_s_out, "\n"); 1985 } 1986 # endif 1987 #endif 1988 1989 #ifndef OPENSSL_NO_PSK 1990 # ifdef OPENSSL_NO_JPAKE 1991 if (psk_key != NULL) 1992 # else 1993 if (psk_key != NULL || jpake_secret) 1994 # endif 1995 { 1996 if (s_debug) 1997 BIO_printf(bio_s_out, 1998 "PSK key given or JPAKE in use, setting server callback\n"); 1999 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 2000 } 2001 2002 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 2003 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 2004 ERR_print_errors(bio_err); 2005 goto end; 2006 } 2007 #endif 2008 2009 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2010 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 2011 sizeof(s_server_session_id_context)); 2012 2013 /* Set DTLS cookie generation and verification callbacks */ 2014 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2015 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2016 2017 #ifndef OPENSSL_NO_TLSEXT 2018 if (ctx2) { 2019 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2020 SSL_CTX_set_session_id_context(ctx2, 2021 (void *)&s_server_session_id_context, 2022 sizeof(s_server_session_id_context)); 2023 2024 tlsextcbp.biodebug = bio_s_out; 2025 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2026 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2027 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2028 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2029 } 2030 #endif 2031 2032 #ifndef OPENSSL_NO_SRP 2033 if (srp_verifier_file != NULL) { 2034 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2035 srp_callback_parm.user = NULL; 2036 srp_callback_parm.login = NULL; 2037 if ((ret = 2038 SRP_VBASE_init(srp_callback_parm.vb, 2039 srp_verifier_file)) != SRP_NO_ERROR) { 2040 BIO_printf(bio_err, 2041 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2042 srp_verifier_file, ret); 2043 goto end; 2044 } 2045 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2046 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2047 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2048 } else 2049 #endif 2050 if (CAfile != NULL) { 2051 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2052 #ifndef OPENSSL_NO_TLSEXT 2053 if (ctx2) 2054 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2055 #endif 2056 } 2057 2058 BIO_printf(bio_s_out, "ACCEPT\n"); 2059 (void)BIO_flush(bio_s_out); 2060 if (rev) 2061 do_server(port, socket_type, &accept_socket, rev_body, context, 2062 naccept); 2063 else if (www) 2064 do_server(port, socket_type, &accept_socket, www_body, context, 2065 naccept); 2066 else 2067 do_server(port, socket_type, &accept_socket, sv_body, context, 2068 naccept); 2069 print_stats(bio_s_out, ctx); 2070 ret = 0; 2071 end: 2072 if (ctx != NULL) 2073 SSL_CTX_free(ctx); 2074 if (s_cert) 2075 X509_free(s_cert); 2076 if (crls) 2077 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2078 if (s_dcert) 2079 X509_free(s_dcert); 2080 if (s_key) 2081 EVP_PKEY_free(s_key); 2082 if (s_dkey) 2083 EVP_PKEY_free(s_dkey); 2084 if (s_chain) 2085 sk_X509_pop_free(s_chain, X509_free); 2086 if (s_dchain) 2087 sk_X509_pop_free(s_dchain, X509_free); 2088 if (pass) 2089 OPENSSL_free(pass); 2090 if (dpass) 2091 OPENSSL_free(dpass); 2092 if (vpm) 2093 X509_VERIFY_PARAM_free(vpm); 2094 free_sessions(); 2095 #ifndef OPENSSL_NO_TLSEXT 2096 if (tlscstatp.host) 2097 OPENSSL_free(tlscstatp.host); 2098 if (tlscstatp.port) 2099 OPENSSL_free(tlscstatp.port); 2100 if (tlscstatp.path) 2101 OPENSSL_free(tlscstatp.path); 2102 if (ctx2 != NULL) 2103 SSL_CTX_free(ctx2); 2104 if (s_cert2) 2105 X509_free(s_cert2); 2106 if (s_key2) 2107 EVP_PKEY_free(s_key2); 2108 if (serverinfo_in != NULL) 2109 BIO_free(serverinfo_in); 2110 # ifndef OPENSSL_NO_NEXTPROTONEG 2111 if (next_proto.data) 2112 OPENSSL_free(next_proto.data); 2113 # endif 2114 if (alpn_ctx.data) 2115 OPENSSL_free(alpn_ctx.data); 2116 #endif 2117 ssl_excert_free(exc); 2118 if (ssl_args) 2119 sk_OPENSSL_STRING_free(ssl_args); 2120 if (cctx) 2121 SSL_CONF_CTX_free(cctx); 2122 #ifndef OPENSSL_NO_JPAKE 2123 if (jpake_secret && psk_key) 2124 OPENSSL_free(psk_key); 2125 #endif 2126 release_engine(e); 2127 if (bio_s_out != NULL) { 2128 BIO_free(bio_s_out); 2129 bio_s_out = NULL; 2130 } 2131 if (bio_s_msg != NULL) { 2132 BIO_free(bio_s_msg); 2133 bio_s_msg = NULL; 2134 } 2135 SSL_COMP_free_compression_methods(); 2136 apps_shutdown(); 2137 OPENSSL_EXIT(ret); 2138 } 2139 2140 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2141 { 2142 BIO_printf(bio, "%4ld items in the session cache\n", 2143 SSL_CTX_sess_number(ssl_ctx)); 2144 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2145 SSL_CTX_sess_connect(ssl_ctx)); 2146 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2147 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2148 BIO_printf(bio, "%4ld client connects that finished\n", 2149 SSL_CTX_sess_connect_good(ssl_ctx)); 2150 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2151 SSL_CTX_sess_accept(ssl_ctx)); 2152 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2153 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2154 BIO_printf(bio, "%4ld server accepts that finished\n", 2155 SSL_CTX_sess_accept_good(ssl_ctx)); 2156 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2157 BIO_printf(bio, "%4ld session cache misses\n", 2158 SSL_CTX_sess_misses(ssl_ctx)); 2159 BIO_printf(bio, "%4ld session cache timeouts\n", 2160 SSL_CTX_sess_timeouts(ssl_ctx)); 2161 BIO_printf(bio, "%4ld callback cache hits\n", 2162 SSL_CTX_sess_cb_hits(ssl_ctx)); 2163 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2164 SSL_CTX_sess_cache_full(ssl_ctx), 2165 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2166 } 2167 2168 static int sv_body(char *hostname, int s, int stype, unsigned char *context) 2169 { 2170 char *buf = NULL; 2171 fd_set readfds; 2172 int ret = 1, width; 2173 int k, i; 2174 unsigned long l; 2175 SSL *con = NULL; 2176 BIO *sbio; 2177 #ifndef OPENSSL_NO_KRB5 2178 KSSL_CTX *kctx; 2179 #endif 2180 struct timeval timeout; 2181 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2182 struct timeval tv; 2183 #else 2184 struct timeval *timeoutp; 2185 #endif 2186 2187 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2188 BIO_printf(bio_err, "out of memory\n"); 2189 goto err; 2190 } 2191 #ifdef FIONBIO 2192 if (s_nbio) { 2193 unsigned long sl = 1; 2194 2195 if (!s_quiet) 2196 BIO_printf(bio_err, "turning on non blocking io\n"); 2197 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2198 ERR_print_errors(bio_err); 2199 } 2200 #endif 2201 2202 if (con == NULL) { 2203 con = SSL_new(ctx); 2204 #ifndef OPENSSL_NO_TLSEXT 2205 if (s_tlsextdebug) { 2206 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2207 SSL_set_tlsext_debug_arg(con, bio_s_out); 2208 } 2209 if (s_tlsextstatus) { 2210 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2211 tlscstatp.err = bio_err; 2212 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2213 } 2214 #endif 2215 #ifndef OPENSSL_NO_KRB5 2216 if ((kctx = kssl_ctx_new()) != NULL) { 2217 SSL_set0_kssl_ctx(con, kctx); 2218 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2219 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2220 } 2221 #endif /* OPENSSL_NO_KRB5 */ 2222 if (context) 2223 SSL_set_session_id_context(con, context, strlen((char *)context)); 2224 } 2225 SSL_clear(con); 2226 #if 0 2227 # ifdef TLSEXT_TYPE_opaque_prf_input 2228 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2229 # endif 2230 #endif 2231 2232 if (stype == SOCK_DGRAM) { 2233 2234 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2235 2236 if (enable_timeouts) { 2237 timeout.tv_sec = 0; 2238 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2239 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2240 2241 timeout.tv_sec = 0; 2242 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2243 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2244 } 2245 2246 if (socket_mtu) { 2247 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2248 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2249 DTLS_get_link_min_mtu(con)); 2250 ret = -1; 2251 BIO_free(sbio); 2252 goto err; 2253 } 2254 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2255 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2256 BIO_printf(bio_err, "Failed to set MTU\n"); 2257 ret = -1; 2258 BIO_free(sbio); 2259 goto err; 2260 } 2261 } else 2262 /* want to do MTU discovery */ 2263 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2264 2265 /* turn on cookie exchange */ 2266 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2267 } else 2268 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2269 2270 if (s_nbio_test) { 2271 BIO *test; 2272 2273 test = BIO_new(BIO_f_nbio_test()); 2274 sbio = BIO_push(test, sbio); 2275 } 2276 #ifndef OPENSSL_NO_JPAKE 2277 if (jpake_secret) 2278 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2279 #endif 2280 2281 SSL_set_bio(con, sbio, sbio); 2282 SSL_set_accept_state(con); 2283 /* SSL_set_fd(con,s); */ 2284 2285 if (s_debug) { 2286 SSL_set_debug(con, 1); 2287 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2288 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2289 } 2290 if (s_msg) { 2291 #ifndef OPENSSL_NO_SSL_TRACE 2292 if (s_msg == 2) 2293 SSL_set_msg_callback(con, SSL_trace); 2294 else 2295 #endif 2296 SSL_set_msg_callback(con, msg_cb); 2297 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2298 } 2299 #ifndef OPENSSL_NO_TLSEXT 2300 if (s_tlsextdebug) { 2301 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2302 SSL_set_tlsext_debug_arg(con, bio_s_out); 2303 } 2304 #endif 2305 2306 if (fileno_stdin() > s) 2307 width = fileno_stdin() + 1; 2308 else 2309 width = s + 1; 2310 for (;;) { 2311 int read_from_terminal; 2312 int read_from_sslcon; 2313 2314 read_from_terminal = 0; 2315 read_from_sslcon = SSL_pending(con); 2316 2317 if (!read_from_sslcon) { 2318 FD_ZERO(&readfds); 2319 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2320 openssl_fdset(fileno_stdin(), &readfds); 2321 #endif 2322 openssl_fdset(s, &readfds); 2323 /* 2324 * Note: under VMS with SOCKETSHR the second parameter is 2325 * currently of type (int *) whereas under other systems it is 2326 * (void *) if you don't have a cast it will choke the compiler: 2327 * if you do have a cast then you can either go for (int *) or 2328 * (void *). 2329 */ 2330 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2331 /* 2332 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2333 * only on sockets. As a workaround we timeout the select every 2334 * second and check for any keypress. In a proper Windows 2335 * application we wouldn't do this because it is inefficient. 2336 */ 2337 tv.tv_sec = 1; 2338 tv.tv_usec = 0; 2339 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2340 if ((i < 0) || (!i && !_kbhit())) 2341 continue; 2342 if (_kbhit()) 2343 read_from_terminal = 1; 2344 #elif defined(OPENSSL_SYS_BEOS_R5) 2345 /* Under BeOS-R5 the situation is similar to DOS */ 2346 tv.tv_sec = 1; 2347 tv.tv_usec = 0; 2348 (void)fcntl(fileno_stdin(), F_SETFL, O_NONBLOCK); 2349 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2350 if ((i < 0) || (!i && read(fileno_stdin(), buf, 0) < 0)) 2351 continue; 2352 if (read(fileno_stdin(), buf, 0) >= 0) 2353 read_from_terminal = 1; 2354 (void)fcntl(fileno_stdin(), F_SETFL, 0); 2355 #else 2356 if ((SSL_version(con) == DTLS1_VERSION) && 2357 DTLSv1_get_timeout(con, &timeout)) 2358 timeoutp = &timeout; 2359 else 2360 timeoutp = NULL; 2361 2362 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2363 2364 if ((SSL_version(con) == DTLS1_VERSION) 2365 && DTLSv1_handle_timeout(con) > 0) { 2366 BIO_printf(bio_err, "TIMEOUT occured\n"); 2367 } 2368 2369 if (i <= 0) 2370 continue; 2371 if (FD_ISSET(fileno_stdin(), &readfds)) 2372 read_from_terminal = 1; 2373 #endif 2374 if (FD_ISSET(s, &readfds)) 2375 read_from_sslcon = 1; 2376 } 2377 if (read_from_terminal) { 2378 if (s_crlf) { 2379 int j, lf_num; 2380 2381 i = raw_read_stdin(buf, bufsize / 2); 2382 lf_num = 0; 2383 /* both loops are skipped when i <= 0 */ 2384 for (j = 0; j < i; j++) 2385 if (buf[j] == '\n') 2386 lf_num++; 2387 for (j = i - 1; j >= 0; j--) { 2388 buf[j + lf_num] = buf[j]; 2389 if (buf[j] == '\n') { 2390 lf_num--; 2391 i++; 2392 buf[j + lf_num] = '\r'; 2393 } 2394 } 2395 assert(lf_num == 0); 2396 } else 2397 i = raw_read_stdin(buf, bufsize); 2398 2399 if (!s_quiet && !s_brief) { 2400 if ((i <= 0) || (buf[0] == 'Q')) { 2401 BIO_printf(bio_s_out, "DONE\n"); 2402 SHUTDOWN(s); 2403 close_accept_socket(); 2404 ret = -11; 2405 goto err; 2406 } 2407 if ((i <= 0) || (buf[0] == 'q')) { 2408 BIO_printf(bio_s_out, "DONE\n"); 2409 if (SSL_version(con) != DTLS1_VERSION) 2410 SHUTDOWN(s); 2411 /* 2412 * close_accept_socket(); ret= -11; 2413 */ 2414 goto err; 2415 } 2416 #ifndef OPENSSL_NO_HEARTBEATS 2417 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2418 BIO_printf(bio_err, "HEARTBEATING\n"); 2419 SSL_heartbeat(con); 2420 i = 0; 2421 continue; 2422 } 2423 #endif 2424 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2425 SSL_renegotiate(con); 2426 i = SSL_do_handshake(con); 2427 printf("SSL_do_handshake -> %d\n", i); 2428 i = 0; /* 13; */ 2429 continue; 2430 /* 2431 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2432 */ 2433 } 2434 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2435 SSL_set_verify(con, 2436 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2437 NULL); 2438 SSL_renegotiate(con); 2439 i = SSL_do_handshake(con); 2440 printf("SSL_do_handshake -> %d\n", i); 2441 i = 0; /* 13; */ 2442 continue; 2443 /* 2444 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2445 * cert\n"); 2446 */ 2447 } 2448 if (buf[0] == 'P') { 2449 static const char *str = "Lets print some clear text\n"; 2450 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2451 } 2452 if (buf[0] == 'S') { 2453 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2454 } 2455 } 2456 #ifdef CHARSET_EBCDIC 2457 ebcdic2ascii(buf, buf, i); 2458 #endif 2459 l = k = 0; 2460 for (;;) { 2461 /* should do a select for the write */ 2462 #ifdef RENEG 2463 { 2464 static count = 0; 2465 if (++count == 100) { 2466 count = 0; 2467 SSL_renegotiate(con); 2468 } 2469 } 2470 #endif 2471 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2472 #ifndef OPENSSL_NO_SRP 2473 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2474 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2475 SRP_user_pwd_free(srp_callback_parm.user); 2476 srp_callback_parm.user = 2477 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2478 srp_callback_parm.login); 2479 if (srp_callback_parm.user) 2480 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2481 srp_callback_parm.user->info); 2482 else 2483 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2484 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2485 } 2486 #endif 2487 switch (SSL_get_error(con, k)) { 2488 case SSL_ERROR_NONE: 2489 break; 2490 case SSL_ERROR_WANT_WRITE: 2491 case SSL_ERROR_WANT_READ: 2492 case SSL_ERROR_WANT_X509_LOOKUP: 2493 BIO_printf(bio_s_out, "Write BLOCK\n"); 2494 break; 2495 case SSL_ERROR_SYSCALL: 2496 case SSL_ERROR_SSL: 2497 BIO_printf(bio_s_out, "ERROR\n"); 2498 ERR_print_errors(bio_err); 2499 ret = 1; 2500 goto err; 2501 /* break; */ 2502 case SSL_ERROR_ZERO_RETURN: 2503 BIO_printf(bio_s_out, "DONE\n"); 2504 ret = 1; 2505 goto err; 2506 } 2507 if (k > 0) { 2508 l += k; 2509 i -= k; 2510 } 2511 if (i <= 0) 2512 break; 2513 } 2514 } 2515 if (read_from_sslcon) { 2516 if (!SSL_is_init_finished(con)) { 2517 i = init_ssl_connection(con); 2518 2519 if (i < 0) { 2520 ret = 0; 2521 goto err; 2522 } else if (i == 0) { 2523 ret = 1; 2524 goto err; 2525 } 2526 } else { 2527 again: 2528 i = SSL_read(con, (char *)buf, bufsize); 2529 #ifndef OPENSSL_NO_SRP 2530 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2531 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2532 SRP_user_pwd_free(srp_callback_parm.user); 2533 srp_callback_parm.user = 2534 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2535 srp_callback_parm.login); 2536 if (srp_callback_parm.user) 2537 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2538 srp_callback_parm.user->info); 2539 else 2540 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2541 i = SSL_read(con, (char *)buf, bufsize); 2542 } 2543 #endif 2544 switch (SSL_get_error(con, i)) { 2545 case SSL_ERROR_NONE: 2546 #ifdef CHARSET_EBCDIC 2547 ascii2ebcdic(buf, buf, i); 2548 #endif 2549 raw_write_stdout(buf, (unsigned int)i); 2550 if (SSL_pending(con)) 2551 goto again; 2552 break; 2553 case SSL_ERROR_WANT_WRITE: 2554 case SSL_ERROR_WANT_READ: 2555 BIO_printf(bio_s_out, "Read BLOCK\n"); 2556 break; 2557 case SSL_ERROR_SYSCALL: 2558 case SSL_ERROR_SSL: 2559 BIO_printf(bio_s_out, "ERROR\n"); 2560 ERR_print_errors(bio_err); 2561 ret = 1; 2562 goto err; 2563 case SSL_ERROR_ZERO_RETURN: 2564 BIO_printf(bio_s_out, "DONE\n"); 2565 ret = 1; 2566 goto err; 2567 } 2568 } 2569 } 2570 } 2571 err: 2572 if (con != NULL) { 2573 BIO_printf(bio_s_out, "shutting down SSL\n"); 2574 #if 1 2575 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2576 #else 2577 SSL_shutdown(con); 2578 #endif 2579 SSL_free(con); 2580 } 2581 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2582 if (buf != NULL) { 2583 OPENSSL_cleanse(buf, bufsize); 2584 OPENSSL_free(buf); 2585 } 2586 if (ret >= 0) 2587 BIO_printf(bio_s_out, "ACCEPT\n"); 2588 return (ret); 2589 } 2590 2591 static void close_accept_socket(void) 2592 { 2593 BIO_printf(bio_err, "shutdown accept socket\n"); 2594 if (accept_socket >= 0) { 2595 SHUTDOWN2(accept_socket); 2596 } 2597 } 2598 2599 static int init_ssl_connection(SSL *con) 2600 { 2601 int i; 2602 const char *str; 2603 X509 *peer; 2604 long verify_error; 2605 MS_STATIC char buf[BUFSIZ]; 2606 #ifndef OPENSSL_NO_KRB5 2607 char *client_princ; 2608 #endif 2609 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2610 const unsigned char *next_proto_neg; 2611 unsigned next_proto_neg_len; 2612 #endif 2613 unsigned char *exportedkeymat; 2614 2615 i = SSL_accept(con); 2616 #ifdef CERT_CB_TEST_RETRY 2617 { 2618 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2619 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2620 fprintf(stderr, 2621 "LOOKUP from certificate callback during accept\n"); 2622 i = SSL_accept(con); 2623 } 2624 } 2625 #endif 2626 #ifndef OPENSSL_NO_SRP 2627 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2628 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2629 srp_callback_parm.login); 2630 SRP_user_pwd_free(srp_callback_parm.user); 2631 srp_callback_parm.user = 2632 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2633 srp_callback_parm.login); 2634 if (srp_callback_parm.user) 2635 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2636 srp_callback_parm.user->info); 2637 else 2638 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2639 i = SSL_accept(con); 2640 } 2641 #endif 2642 2643 if (i <= 0) { 2644 if (BIO_sock_should_retry(i)) { 2645 BIO_printf(bio_s_out, "DELAY\n"); 2646 return (1); 2647 } 2648 2649 BIO_printf(bio_err, "ERROR\n"); 2650 verify_error = SSL_get_verify_result(con); 2651 if (verify_error != X509_V_OK) { 2652 BIO_printf(bio_err, "verify error:%s\n", 2653 X509_verify_cert_error_string(verify_error)); 2654 } 2655 /* Always print any error messages */ 2656 ERR_print_errors(bio_err); 2657 return (0); 2658 } 2659 2660 if (s_brief) 2661 print_ssl_summary(bio_err, con); 2662 2663 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2664 2665 peer = SSL_get_peer_certificate(con); 2666 if (peer != NULL) { 2667 BIO_printf(bio_s_out, "Client certificate\n"); 2668 PEM_write_bio_X509(bio_s_out, peer); 2669 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof(buf)); 2670 BIO_printf(bio_s_out, "subject=%s\n", buf); 2671 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof(buf)); 2672 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2673 X509_free(peer); 2674 } 2675 2676 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL) 2677 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2678 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2679 ssl_print_sigalgs(bio_s_out, con); 2680 #ifndef OPENSSL_NO_EC 2681 ssl_print_point_formats(bio_s_out, con); 2682 ssl_print_curves(bio_s_out, con, 0); 2683 #endif 2684 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2685 2686 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2687 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2688 if (next_proto_neg) { 2689 BIO_printf(bio_s_out, "NEXTPROTO is "); 2690 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2691 BIO_printf(bio_s_out, "\n"); 2692 } 2693 #endif 2694 #ifndef OPENSSL_NO_SRTP 2695 { 2696 SRTP_PROTECTION_PROFILE *srtp_profile 2697 = SSL_get_selected_srtp_profile(con); 2698 2699 if (srtp_profile) 2700 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2701 srtp_profile->name); 2702 } 2703 #endif 2704 if (SSL_cache_hit(con)) 2705 BIO_printf(bio_s_out, "Reused session-id\n"); 2706 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2707 TLS1_FLAGS_TLS_PADDING_BUG) 2708 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2709 #ifndef OPENSSL_NO_KRB5 2710 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2711 if (client_princ != NULL) { 2712 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2713 client_princ); 2714 } 2715 #endif /* OPENSSL_NO_KRB5 */ 2716 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2717 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2718 if (keymatexportlabel != NULL) { 2719 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2720 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2721 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2722 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2723 if (exportedkeymat != NULL) { 2724 if (!SSL_export_keying_material(con, exportedkeymat, 2725 keymatexportlen, 2726 keymatexportlabel, 2727 strlen(keymatexportlabel), 2728 NULL, 0, 0)) { 2729 BIO_printf(bio_s_out, " Error\n"); 2730 } else { 2731 BIO_printf(bio_s_out, " Keying material: "); 2732 for (i = 0; i < keymatexportlen; i++) 2733 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2734 BIO_printf(bio_s_out, "\n"); 2735 } 2736 OPENSSL_free(exportedkeymat); 2737 } 2738 } 2739 2740 return (1); 2741 } 2742 2743 #ifndef OPENSSL_NO_DH 2744 static DH *load_dh_param(const char *dhfile) 2745 { 2746 DH *ret = NULL; 2747 BIO *bio; 2748 2749 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2750 goto err; 2751 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2752 err: 2753 if (bio != NULL) 2754 BIO_free(bio); 2755 return (ret); 2756 } 2757 #endif 2758 #ifndef OPENSSL_NO_KRB5 2759 char *client_princ; 2760 #endif 2761 2762 #if 0 2763 static int load_CA(SSL_CTX *ctx, char *file) 2764 { 2765 FILE *in; 2766 X509 *x = NULL; 2767 2768 if ((in = fopen(file, "r")) == NULL) 2769 return (0); 2770 2771 for (;;) { 2772 if (PEM_read_X509(in, &x, NULL) == NULL) 2773 break; 2774 SSL_CTX_add_client_CA(ctx, x); 2775 } 2776 if (x != NULL) 2777 X509_free(x); 2778 fclose(in); 2779 return (1); 2780 } 2781 #endif 2782 2783 static int www_body(char *hostname, int s, int stype, unsigned char *context) 2784 { 2785 char *buf = NULL; 2786 int ret = 1; 2787 int i, j, k, dot; 2788 SSL *con; 2789 const SSL_CIPHER *c; 2790 BIO *io, *ssl_bio, *sbio; 2791 #ifndef OPENSSL_NO_KRB5 2792 KSSL_CTX *kctx; 2793 #endif 2794 2795 buf = OPENSSL_malloc(bufsize); 2796 if (buf == NULL) 2797 return (0); 2798 io = BIO_new(BIO_f_buffer()); 2799 ssl_bio = BIO_new(BIO_f_ssl()); 2800 if ((io == NULL) || (ssl_bio == NULL)) 2801 goto err; 2802 2803 #ifdef FIONBIO 2804 if (s_nbio) { 2805 unsigned long sl = 1; 2806 2807 if (!s_quiet) 2808 BIO_printf(bio_err, "turning on non blocking io\n"); 2809 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2810 ERR_print_errors(bio_err); 2811 } 2812 #endif 2813 2814 /* lets make the output buffer a reasonable size */ 2815 if (!BIO_set_write_buffer_size(io, bufsize)) 2816 goto err; 2817 2818 if ((con = SSL_new(ctx)) == NULL) 2819 goto err; 2820 #ifndef OPENSSL_NO_TLSEXT 2821 if (s_tlsextdebug) { 2822 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2823 SSL_set_tlsext_debug_arg(con, bio_s_out); 2824 } 2825 #endif 2826 #ifndef OPENSSL_NO_KRB5 2827 if ((kctx = kssl_ctx_new()) != NULL) { 2828 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2829 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2830 } 2831 #endif /* OPENSSL_NO_KRB5 */ 2832 if (context) 2833 SSL_set_session_id_context(con, context, strlen((char *)context)); 2834 2835 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2836 if (s_nbio_test) { 2837 BIO *test; 2838 2839 test = BIO_new(BIO_f_nbio_test()); 2840 sbio = BIO_push(test, sbio); 2841 } 2842 SSL_set_bio(con, sbio, sbio); 2843 SSL_set_accept_state(con); 2844 2845 /* SSL_set_fd(con,s); */ 2846 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2847 BIO_push(io, ssl_bio); 2848 #ifdef CHARSET_EBCDIC 2849 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2850 #endif 2851 2852 if (s_debug) { 2853 SSL_set_debug(con, 1); 2854 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2855 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2856 } 2857 if (s_msg) { 2858 #ifndef OPENSSL_NO_SSL_TRACE 2859 if (s_msg == 2) 2860 SSL_set_msg_callback(con, SSL_trace); 2861 else 2862 #endif 2863 SSL_set_msg_callback(con, msg_cb); 2864 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2865 } 2866 2867 for (;;) { 2868 if (hack) { 2869 i = SSL_accept(con); 2870 #ifndef OPENSSL_NO_SRP 2871 while (i <= 0 2872 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2873 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2874 srp_callback_parm.login); 2875 SRP_user_pwd_free(srp_callback_parm.user); 2876 srp_callback_parm.user = 2877 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2878 srp_callback_parm.login); 2879 if (srp_callback_parm.user) 2880 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2881 srp_callback_parm.user->info); 2882 else 2883 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2884 i = SSL_accept(con); 2885 } 2886 #endif 2887 switch (SSL_get_error(con, i)) { 2888 case SSL_ERROR_NONE: 2889 break; 2890 case SSL_ERROR_WANT_WRITE: 2891 case SSL_ERROR_WANT_READ: 2892 case SSL_ERROR_WANT_X509_LOOKUP: 2893 continue; 2894 case SSL_ERROR_SYSCALL: 2895 case SSL_ERROR_SSL: 2896 case SSL_ERROR_ZERO_RETURN: 2897 ret = 1; 2898 goto err; 2899 /* break; */ 2900 } 2901 2902 SSL_renegotiate(con); 2903 SSL_write(con, NULL, 0); 2904 } 2905 2906 i = BIO_gets(io, buf, bufsize - 1); 2907 if (i < 0) { /* error */ 2908 if (!BIO_should_retry(io)) { 2909 if (!s_quiet) 2910 ERR_print_errors(bio_err); 2911 goto err; 2912 } else { 2913 BIO_printf(bio_s_out, "read R BLOCK\n"); 2914 #ifndef OPENSSL_NO_SRP 2915 if (BIO_should_io_special(io) 2916 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2917 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2918 SRP_user_pwd_free(srp_callback_parm.user); 2919 srp_callback_parm.user = 2920 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2921 srp_callback_parm.login); 2922 if (srp_callback_parm.user) 2923 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2924 srp_callback_parm.user->info); 2925 else 2926 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2927 continue; 2928 } 2929 #endif 2930 #if defined(OPENSSL_SYS_NETWARE) 2931 delay(1000); 2932 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2933 sleep(1); 2934 #endif 2935 continue; 2936 } 2937 } else if (i == 0) { /* end of input */ 2938 ret = 1; 2939 goto end; 2940 } 2941 2942 /* else we have data */ 2943 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2944 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2945 char *p; 2946 X509 *peer; 2947 STACK_OF(SSL_CIPHER) *sk; 2948 static const char *space = " "; 2949 2950 BIO_puts(io, 2951 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2952 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2953 BIO_puts(io, "<pre>\n"); 2954 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2955 BIO_puts(io, "\n"); 2956 for (i = 0; i < local_argc; i++) { 2957 BIO_puts(io, local_argv[i]); 2958 BIO_write(io, " ", 1); 2959 } 2960 BIO_puts(io, "\n"); 2961 2962 BIO_printf(io, 2963 "Secure Renegotiation IS%s supported\n", 2964 SSL_get_secure_renegotiation_support(con) ? 2965 "" : " NOT"); 2966 2967 /* 2968 * The following is evil and should not really be done 2969 */ 2970 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2971 sk = SSL_get_ciphers(con); 2972 j = sk_SSL_CIPHER_num(sk); 2973 for (i = 0; i < j; i++) { 2974 c = sk_SSL_CIPHER_value(sk, i); 2975 BIO_printf(io, "%-11s:%-25s", 2976 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2977 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2978 BIO_puts(io, "\n"); 2979 } 2980 BIO_puts(io, "\n"); 2981 p = SSL_get_shared_ciphers(con, buf, bufsize); 2982 if (p != NULL) { 2983 BIO_printf(io, 2984 "---\nCiphers common between both SSL end points:\n"); 2985 j = i = 0; 2986 while (*p) { 2987 if (*p == ':') { 2988 BIO_write(io, space, 26 - j); 2989 i++; 2990 j = 0; 2991 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2992 } else { 2993 BIO_write(io, p, 1); 2994 j++; 2995 } 2996 p++; 2997 } 2998 BIO_puts(io, "\n"); 2999 } 3000 ssl_print_sigalgs(io, con); 3001 #ifndef OPENSSL_NO_EC 3002 ssl_print_curves(io, con, 0); 3003 #endif 3004 BIO_printf(io, (SSL_cache_hit(con) 3005 ? "---\nReused, " : "---\nNew, ")); 3006 c = SSL_get_current_cipher(con); 3007 BIO_printf(io, "%s, Cipher is %s\n", 3008 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3009 SSL_SESSION_print(io, SSL_get_session(con)); 3010 BIO_printf(io, "---\n"); 3011 print_stats(io, SSL_get_SSL_CTX(con)); 3012 BIO_printf(io, "---\n"); 3013 peer = SSL_get_peer_certificate(con); 3014 if (peer != NULL) { 3015 BIO_printf(io, "Client certificate\n"); 3016 X509_print(io, peer); 3017 PEM_write_bio_X509(io, peer); 3018 } else 3019 BIO_puts(io, "no client certificate available\n"); 3020 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n"); 3021 break; 3022 } else if ((www == 2 || www == 3) 3023 && (strncmp("GET /", buf, 5) == 0)) { 3024 BIO *file; 3025 char *p, *e; 3026 static const char *text = 3027 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3028 3029 /* skip the '/' */ 3030 p = &(buf[5]); 3031 3032 dot = 1; 3033 for (e = p; *e != '\0'; e++) { 3034 if (e[0] == ' ') 3035 break; 3036 3037 switch (dot) { 3038 case 1: 3039 dot = (e[0] == '.') ? 2 : 0; 3040 break; 3041 case 2: 3042 dot = (e[0] == '.') ? 3 : 0; 3043 break; 3044 case 3: 3045 dot = (e[0] == '/') ? -1 : 0; 3046 break; 3047 } 3048 if (dot == 0) 3049 dot = (e[0] == '/') ? 1 : 0; 3050 } 3051 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3052 * component */ 3053 3054 if (*e == '\0') { 3055 BIO_puts(io, text); 3056 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3057 break; 3058 } 3059 *e = '\0'; 3060 3061 if (dot) { 3062 BIO_puts(io, text); 3063 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 3064 break; 3065 } 3066 3067 if (*p == '/') { 3068 BIO_puts(io, text); 3069 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3070 break; 3071 } 3072 #if 0 3073 /* append if a directory lookup */ 3074 if (e[-1] == '/') 3075 strcat(p, "index.html"); 3076 #endif 3077 3078 /* if a directory, do the index thang */ 3079 if (app_isdir(p) > 0) { 3080 #if 0 /* must check buffer size */ 3081 strcat(p, "/index.html"); 3082 #else 3083 BIO_puts(io, text); 3084 BIO_printf(io, "'%s' is a directory\r\n", p); 3085 break; 3086 #endif 3087 } 3088 3089 if ((file = BIO_new_file(p, "r")) == NULL) { 3090 BIO_puts(io, text); 3091 BIO_printf(io, "Error opening '%s'\r\n", p); 3092 ERR_print_errors(io); 3093 break; 3094 } 3095 3096 if (!s_quiet) 3097 BIO_printf(bio_err, "FILE:%s\n", p); 3098 3099 if (www == 2) { 3100 i = strlen(p); 3101 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3102 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3103 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3104 BIO_puts(io, 3105 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3106 else 3107 BIO_puts(io, 3108 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3109 } 3110 /* send the file */ 3111 for (;;) { 3112 i = BIO_read(file, buf, bufsize); 3113 if (i <= 0) 3114 break; 3115 3116 #ifdef RENEG 3117 total_bytes += i; 3118 fprintf(stderr, "%d\n", i); 3119 if (total_bytes > 3 * 1024) { 3120 total_bytes = 0; 3121 fprintf(stderr, "RENEGOTIATE\n"); 3122 SSL_renegotiate(con); 3123 } 3124 #endif 3125 3126 for (j = 0; j < i;) { 3127 #ifdef RENEG 3128 { 3129 static count = 0; 3130 if (++count == 13) { 3131 SSL_renegotiate(con); 3132 } 3133 } 3134 #endif 3135 k = BIO_write(io, &(buf[j]), i - j); 3136 if (k <= 0) { 3137 if (!BIO_should_retry(io)) 3138 goto write_error; 3139 else { 3140 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3141 } 3142 } else { 3143 j += k; 3144 } 3145 } 3146 } 3147 write_error: 3148 BIO_free(file); 3149 break; 3150 } 3151 } 3152 3153 for (;;) { 3154 i = (int)BIO_flush(io); 3155 if (i <= 0) { 3156 if (!BIO_should_retry(io)) 3157 break; 3158 } else 3159 break; 3160 } 3161 end: 3162 #if 1 3163 /* make sure we re-use sessions */ 3164 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3165 #else 3166 /* This kills performance */ 3167 /* 3168 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3169 * procession 3170 */ 3171 #endif 3172 3173 err: 3174 3175 if (ret >= 0) 3176 BIO_printf(bio_s_out, "ACCEPT\n"); 3177 3178 if (buf != NULL) 3179 OPENSSL_free(buf); 3180 if (io != NULL) 3181 BIO_free_all(io); 3182 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3183 return (ret); 3184 } 3185 3186 static int rev_body(char *hostname, int s, int stype, unsigned char *context) 3187 { 3188 char *buf = NULL; 3189 int i; 3190 int ret = 1; 3191 SSL *con; 3192 BIO *io, *ssl_bio, *sbio; 3193 #ifndef OPENSSL_NO_KRB5 3194 KSSL_CTX *kctx; 3195 #endif 3196 3197 buf = OPENSSL_malloc(bufsize); 3198 if (buf == NULL) 3199 return (0); 3200 io = BIO_new(BIO_f_buffer()); 3201 ssl_bio = BIO_new(BIO_f_ssl()); 3202 if ((io == NULL) || (ssl_bio == NULL)) 3203 goto err; 3204 3205 /* lets make the output buffer a reasonable size */ 3206 if (!BIO_set_write_buffer_size(io, bufsize)) 3207 goto err; 3208 3209 if ((con = SSL_new(ctx)) == NULL) 3210 goto err; 3211 #ifndef OPENSSL_NO_TLSEXT 3212 if (s_tlsextdebug) { 3213 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3214 SSL_set_tlsext_debug_arg(con, bio_s_out); 3215 } 3216 #endif 3217 #ifndef OPENSSL_NO_KRB5 3218 if ((kctx = kssl_ctx_new()) != NULL) { 3219 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3220 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3221 } 3222 #endif /* OPENSSL_NO_KRB5 */ 3223 if (context) 3224 SSL_set_session_id_context(con, context, strlen((char *)context)); 3225 3226 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3227 SSL_set_bio(con, sbio, sbio); 3228 SSL_set_accept_state(con); 3229 3230 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3231 BIO_push(io, ssl_bio); 3232 #ifdef CHARSET_EBCDIC 3233 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3234 #endif 3235 3236 if (s_debug) { 3237 SSL_set_debug(con, 1); 3238 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3239 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3240 } 3241 if (s_msg) { 3242 #ifndef OPENSSL_NO_SSL_TRACE 3243 if (s_msg == 2) 3244 SSL_set_msg_callback(con, SSL_trace); 3245 else 3246 #endif 3247 SSL_set_msg_callback(con, msg_cb); 3248 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3249 } 3250 3251 for (;;) { 3252 i = BIO_do_handshake(io); 3253 if (i > 0) 3254 break; 3255 if (!BIO_should_retry(io)) { 3256 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3257 ERR_print_errors(bio_err); 3258 goto end; 3259 } 3260 #ifndef OPENSSL_NO_SRP 3261 if (BIO_should_io_special(io) 3262 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3263 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3264 SRP_user_pwd_free(srp_callback_parm.user); 3265 srp_callback_parm.user = 3266 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3267 srp_callback_parm.login); 3268 if (srp_callback_parm.user) 3269 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3270 srp_callback_parm.user->info); 3271 else 3272 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3273 continue; 3274 } 3275 #endif 3276 } 3277 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3278 print_ssl_summary(bio_err, con); 3279 3280 for (;;) { 3281 i = BIO_gets(io, buf, bufsize - 1); 3282 if (i < 0) { /* error */ 3283 if (!BIO_should_retry(io)) { 3284 if (!s_quiet) 3285 ERR_print_errors(bio_err); 3286 goto err; 3287 } else { 3288 BIO_printf(bio_s_out, "read R BLOCK\n"); 3289 #ifndef OPENSSL_NO_SRP 3290 if (BIO_should_io_special(io) 3291 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3292 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3293 SRP_user_pwd_free(srp_callback_parm.user); 3294 srp_callback_parm.user = 3295 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3296 srp_callback_parm.login); 3297 if (srp_callback_parm.user) 3298 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3299 srp_callback_parm.user->info); 3300 else 3301 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3302 continue; 3303 } 3304 #endif 3305 #if defined(OPENSSL_SYS_NETWARE) 3306 delay(1000); 3307 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3308 sleep(1); 3309 #endif 3310 continue; 3311 } 3312 } else if (i == 0) { /* end of input */ 3313 ret = 1; 3314 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3315 goto end; 3316 } else { 3317 char *p = buf + i - 1; 3318 while (i && (*p == '\n' || *p == '\r')) { 3319 p--; 3320 i--; 3321 } 3322 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3323 ret = 1; 3324 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3325 goto end; 3326 } 3327 BUF_reverse((unsigned char *)buf, NULL, i); 3328 buf[i] = '\n'; 3329 BIO_write(io, buf, i + 1); 3330 for (;;) { 3331 i = BIO_flush(io); 3332 if (i > 0) 3333 break; 3334 if (!BIO_should_retry(io)) 3335 goto end; 3336 } 3337 } 3338 } 3339 end: 3340 /* make sure we re-use sessions */ 3341 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3342 3343 err: 3344 3345 if (buf != NULL) 3346 OPENSSL_free(buf); 3347 if (io != NULL) 3348 BIO_free_all(io); 3349 return (ret); 3350 } 3351 3352 #ifndef OPENSSL_NO_RSA 3353 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3354 { 3355 BIGNUM *bn = NULL; 3356 static RSA *rsa_tmp = NULL; 3357 3358 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3359 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3360 if (!rsa_tmp && bn) { 3361 if (!s_quiet) { 3362 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3363 keylength); 3364 (void)BIO_flush(bio_err); 3365 } 3366 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3367 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3368 if (rsa_tmp) 3369 RSA_free(rsa_tmp); 3370 rsa_tmp = NULL; 3371 } 3372 if (!s_quiet) { 3373 BIO_printf(bio_err, "\n"); 3374 (void)BIO_flush(bio_err); 3375 } 3376 BN_free(bn); 3377 } 3378 return (rsa_tmp); 3379 } 3380 #endif 3381 3382 #define MAX_SESSION_ID_ATTEMPTS 10 3383 static int generate_session_id(const SSL *ssl, unsigned char *id, 3384 unsigned int *id_len) 3385 { 3386 unsigned int count = 0; 3387 do { 3388 if (RAND_bytes(id, *id_len) <= 0) 3389 return 0; 3390 /* 3391 * Prefix the session_id with the required prefix. NB: If our prefix 3392 * is too long, clip it - but there will be worse effects anyway, eg. 3393 * the server could only possibly create 1 session ID (ie. the 3394 * prefix!) so all future session negotiations will fail due to 3395 * conflicts. 3396 */ 3397 memcpy(id, session_id_prefix, 3398 (strlen(session_id_prefix) < *id_len) ? 3399 strlen(session_id_prefix) : *id_len); 3400 } 3401 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3402 (++count < MAX_SESSION_ID_ATTEMPTS)); 3403 if (count >= MAX_SESSION_ID_ATTEMPTS) 3404 return 0; 3405 return 1; 3406 } 3407 3408 /* 3409 * By default s_server uses an in-memory cache which caches SSL_SESSION 3410 * structures without any serialisation. This hides some bugs which only 3411 * become apparent in deployed servers. By implementing a basic external 3412 * session cache some issues can be debugged using s_server. 3413 */ 3414 3415 typedef struct simple_ssl_session_st { 3416 unsigned char *id; 3417 unsigned int idlen; 3418 unsigned char *der; 3419 int derlen; 3420 struct simple_ssl_session_st *next; 3421 } simple_ssl_session; 3422 3423 static simple_ssl_session *first = NULL; 3424 3425 static int add_session(SSL *ssl, SSL_SESSION *session) 3426 { 3427 simple_ssl_session *sess; 3428 unsigned char *p; 3429 3430 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3431 if (!sess) { 3432 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3433 return 0; 3434 } 3435 3436 SSL_SESSION_get_id(session, &sess->idlen); 3437 sess->derlen = i2d_SSL_SESSION(session, NULL); 3438 3439 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3440 3441 sess->der = OPENSSL_malloc(sess->derlen); 3442 if (!sess->id || !sess->der) { 3443 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3444 3445 if (sess->id) 3446 OPENSSL_free(sess->id); 3447 if (sess->der) 3448 OPENSSL_free(sess->der); 3449 OPENSSL_free(sess); 3450 return 0; 3451 } 3452 p = sess->der; 3453 i2d_SSL_SESSION(session, &p); 3454 3455 sess->next = first; 3456 first = sess; 3457 BIO_printf(bio_err, "New session added to external cache\n"); 3458 return 0; 3459 } 3460 3461 static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3462 int *do_copy) 3463 { 3464 simple_ssl_session *sess; 3465 *do_copy = 0; 3466 for (sess = first; sess; sess = sess->next) { 3467 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3468 const unsigned char *p = sess->der; 3469 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3470 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3471 } 3472 } 3473 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3474 return NULL; 3475 } 3476 3477 static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3478 { 3479 simple_ssl_session *sess, *prev = NULL; 3480 const unsigned char *id; 3481 unsigned int idlen; 3482 id = SSL_SESSION_get_id(session, &idlen); 3483 for (sess = first; sess; sess = sess->next) { 3484 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3485 if (prev) 3486 prev->next = sess->next; 3487 else 3488 first = sess->next; 3489 OPENSSL_free(sess->id); 3490 OPENSSL_free(sess->der); 3491 OPENSSL_free(sess); 3492 return; 3493 } 3494 prev = sess; 3495 } 3496 } 3497 3498 static void init_session_cache_ctx(SSL_CTX *sctx) 3499 { 3500 SSL_CTX_set_session_cache_mode(sctx, 3501 SSL_SESS_CACHE_NO_INTERNAL | 3502 SSL_SESS_CACHE_SERVER); 3503 SSL_CTX_sess_set_new_cb(sctx, add_session); 3504 SSL_CTX_sess_set_get_cb(sctx, get_session); 3505 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3506 } 3507 3508 static void free_sessions(void) 3509 { 3510 simple_ssl_session *sess, *tsess; 3511 for (sess = first; sess;) { 3512 OPENSSL_free(sess->id); 3513 OPENSSL_free(sess->der); 3514 tsess = sess; 3515 sess = sess->next; 3516 OPENSSL_free(tsess); 3517 } 3518 first = NULL; 3519 } 3520