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, unsigned char *context); 213 static int www_body(char *hostname, int s, unsigned char *context); 214 static void close_accept_socket(void); 215 static void sv_usage(void); 216 static int init_ssl_connection(SSL *s); 217 static void print_stats(BIO *bp, SSL_CTX *ctx); 218 static int generate_session_id(const SSL *ssl, unsigned char *id, 219 unsigned int *id_len); 220 #ifndef OPENSSL_NO_DH 221 static DH *load_dh_param(const char *dhfile); 222 static DH *get_dh2048(void); 223 #endif 224 225 #ifdef MONOLITH 226 static void s_server_init(void); 227 #endif 228 229 #ifndef OPENSSL_NO_DH 230 static unsigned char dh2048_p[] = { 231 0xF6,0x42,0x57,0xB7,0x08,0x7F,0x08,0x17,0x72,0xA2,0xBA,0xD6, 232 0xA9,0x42,0xF3,0x05,0xE8,0xF9,0x53,0x11,0x39,0x4F,0xB6,0xF1, 233 0x6E,0xB9,0x4B,0x38,0x20,0xDA,0x01,0xA7,0x56,0xA3,0x14,0xE9, 234 0x8F,0x40,0x55,0xF3,0xD0,0x07,0xC6,0xCB,0x43,0xA9,0x94,0xAD, 235 0xF7,0x4C,0x64,0x86,0x49,0xF8,0x0C,0x83,0xBD,0x65,0xE9,0x17, 236 0xD4,0xA1,0xD3,0x50,0xF8,0xF5,0x59,0x5F,0xDC,0x76,0x52,0x4F, 237 0x3D,0x3D,0x8D,0xDB,0xCE,0x99,0xE1,0x57,0x92,0x59,0xCD,0xFD, 238 0xB8,0xAE,0x74,0x4F,0xC5,0xFC,0x76,0xBC,0x83,0xC5,0x47,0x30, 239 0x61,0xCE,0x7C,0xC9,0x66,0xFF,0x15,0xF9,0xBB,0xFD,0x91,0x5E, 240 0xC7,0x01,0xAA,0xD3,0x5B,0x9E,0x8D,0xA0,0xA5,0x72,0x3A,0xD4, 241 0x1A,0xF0,0xBF,0x46,0x00,0x58,0x2B,0xE5,0xF4,0x88,0xFD,0x58, 242 0x4E,0x49,0xDB,0xCD,0x20,0xB4,0x9D,0xE4,0x91,0x07,0x36,0x6B, 243 0x33,0x6C,0x38,0x0D,0x45,0x1D,0x0F,0x7C,0x88,0xB3,0x1C,0x7C, 244 0x5B,0x2D,0x8E,0xF6,0xF3,0xC9,0x23,0xC0,0x43,0xF0,0xA5,0x5B, 245 0x18,0x8D,0x8E,0xBB,0x55,0x8C,0xB8,0x5D,0x38,0xD3,0x34,0xFD, 246 0x7C,0x17,0x57,0x43,0xA3,0x1D,0x18,0x6C,0xDE,0x33,0x21,0x2C, 247 0xB5,0x2A,0xFF,0x3C,0xE1,0xB1,0x29,0x40,0x18,0x11,0x8D,0x7C, 248 0x84,0xA7,0x0A,0x72,0xD6,0x86,0xC4,0x03,0x19,0xC8,0x07,0x29, 249 0x7A,0xCA,0x95,0x0C,0xD9,0x96,0x9F,0xAB,0xD0,0x0A,0x50,0x9B, 250 0x02,0x46,0xD3,0x08,0x3D,0x66,0xA4,0x5D,0x41,0x9F,0x9C,0x7C, 251 0xBD,0x89,0x4B,0x22,0x19,0x26,0xBA,0xAB,0xA2,0x5E,0xC3,0x55, 252 0xE9,0x32,0x0B,0x3B, 253 }; 254 255 static unsigned char dh2048_g[] = { 256 0x02, 257 }; 258 259 DH *get_dh2048() 260 { 261 DH *dh; 262 263 if ((dh = DH_new()) == NULL) 264 return NULL; 265 dh->p=BN_bin2bn(dh2048_p, sizeof(dh2048_p), NULL); 266 dh->g=BN_bin2bn(dh2048_g, sizeof(dh2048_g), NULL); 267 if (dh->p == NULL || dh->g == NULL) { 268 DH_free(dh); 269 return NULL; 270 } 271 return dh; 272 } 273 #endif 274 275 /* static int load_CA(SSL_CTX *ctx, char *file);*/ 276 277 #undef BUFSIZZ 278 #define BUFSIZZ 16*1024 279 static int bufsize = BUFSIZZ; 280 static int accept_socket = -1; 281 282 #define TEST_CERT "server.pem" 283 #ifndef OPENSSL_NO_TLSEXT 284 # define TEST_CERT2 "server2.pem" 285 #endif 286 #undef PROG 287 #define PROG s_server_main 288 289 extern int verify_depth, verify_return_error; 290 291 static char *cipher = NULL; 292 static int s_server_verify = SSL_VERIFY_NONE; 293 static int s_server_session_id_context = 1; /* anything will do */ 294 static const char *s_cert_file = TEST_CERT, *s_key_file = NULL; 295 #ifndef OPENSSL_NO_TLSEXT 296 static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 297 #endif 298 static char *s_dcert_file = NULL, *s_dkey_file = NULL; 299 #ifdef FIONBIO 300 static int s_nbio = 0; 301 #endif 302 static int s_nbio_test = 0; 303 int s_crlf = 0; 304 static SSL_CTX *ctx = NULL; 305 #ifndef OPENSSL_NO_TLSEXT 306 static SSL_CTX *ctx2 = NULL; 307 #endif 308 static int www = 0; 309 310 static BIO *bio_s_out = NULL; 311 static int s_debug = 0; 312 #ifndef OPENSSL_NO_TLSEXT 313 static int s_tlsextdebug = 0; 314 static int s_tlsextstatus = 0; 315 static int cert_status_cb(SSL *s, void *arg); 316 #endif 317 static int s_msg = 0; 318 static int s_quiet = 0; 319 320 static char *keymatexportlabel = NULL; 321 static int keymatexportlen = 20; 322 323 static int hack = 0; 324 #ifndef OPENSSL_NO_ENGINE 325 static char *engine_id = NULL; 326 #endif 327 static const char *session_id_prefix = NULL; 328 329 static int enable_timeouts = 0; 330 static long socket_mtu; 331 #ifndef OPENSSL_NO_DTLS1 332 static int cert_chain = 0; 333 #endif 334 335 #ifndef OPENSSL_NO_PSK 336 static char *psk_identity = "Client_identity"; 337 char *psk_key = NULL; /* by default PSK is not used */ 338 339 static unsigned int psk_server_cb(SSL *ssl, const char *identity, 340 unsigned char *psk, 341 unsigned int max_psk_len) 342 { 343 unsigned int psk_len = 0; 344 int ret; 345 BIGNUM *bn = NULL; 346 347 if (s_debug) 348 BIO_printf(bio_s_out, "psk_server_cb\n"); 349 if (!identity) { 350 BIO_printf(bio_err, "Error: client did not send PSK identity\n"); 351 goto out_err; 352 } 353 if (s_debug) 354 BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", 355 (int)strlen(identity), identity); 356 357 /* here we could lookup the given identity e.g. from a database */ 358 if (strcmp(identity, psk_identity) != 0) { 359 BIO_printf(bio_s_out, "PSK error: client identity not found" 360 " (got '%s' expected '%s')\n", identity, psk_identity); 361 goto out_err; 362 } 363 if (s_debug) 364 BIO_printf(bio_s_out, "PSK client identity found\n"); 365 366 /* convert the PSK key to binary */ 367 ret = BN_hex2bn(&bn, psk_key); 368 if (!ret) { 369 BIO_printf(bio_err, "Could not convert PSK key '%s' to BIGNUM\n", 370 psk_key); 371 if (bn) 372 BN_free(bn); 373 return 0; 374 } 375 if (BN_num_bytes(bn) > (int)max_psk_len) { 376 BIO_printf(bio_err, 377 "psk buffer of callback is too small (%d) for key (%d)\n", 378 max_psk_len, BN_num_bytes(bn)); 379 BN_free(bn); 380 return 0; 381 } 382 383 ret = BN_bn2bin(bn, psk); 384 BN_free(bn); 385 386 if (ret < 0) 387 goto out_err; 388 psk_len = (unsigned int)ret; 389 390 if (s_debug) 391 BIO_printf(bio_s_out, "fetched PSK len=%d\n", psk_len); 392 return psk_len; 393 out_err: 394 if (s_debug) 395 BIO_printf(bio_err, "Error in PSK server callback\n"); 396 return 0; 397 } 398 #endif 399 400 #ifndef OPENSSL_NO_SRP 401 /* This is a context that we pass to callbacks */ 402 typedef struct srpsrvparm_st { 403 char *login; 404 SRP_VBASE *vb; 405 SRP_user_pwd *user; 406 } srpsrvparm; 407 408 /* 409 * This callback pretends to require some asynchronous logic in order to 410 * obtain a verifier. When the callback is called for a new connection we 411 * return with a negative value. This will provoke the accept etc to return 412 * with an LOOKUP_X509. The main logic of the reinvokes the suspended call 413 * (which would normally occur after a worker has finished) and we set the 414 * user parameters. 415 */ 416 static int MS_CALLBACK ssl_srp_server_param_cb(SSL *s, int *ad, void *arg) 417 { 418 srpsrvparm *p = (srpsrvparm *) arg; 419 int ret = SSL3_AL_FATAL; 420 421 if (p->login == NULL && p->user == NULL) { 422 p->login = SSL_get_srp_username(s); 423 BIO_printf(bio_err, "SRP username = \"%s\"\n", p->login); 424 return (-1); 425 } 426 427 if (p->user == NULL) { 428 BIO_printf(bio_err, "User %s doesn't exist\n", p->login); 429 goto err; 430 } 431 432 if (SSL_set_srp_server_param 433 (s, p->user->N, p->user->g, p->user->s, p->user->v, 434 p->user->info) < 0) { 435 *ad = SSL_AD_INTERNAL_ERROR; 436 goto err; 437 } 438 BIO_printf(bio_err, 439 "SRP parameters set: username = \"%s\" info=\"%s\" \n", 440 p->login, p->user->info); 441 ret = SSL_ERROR_NONE; 442 443 err: 444 SRP_user_pwd_free(p->user); 445 p->user = NULL; 446 p->login = NULL; 447 return ret; 448 } 449 450 #endif 451 452 #ifdef MONOLITH 453 static void s_server_init(void) 454 { 455 accept_socket = -1; 456 cipher = NULL; 457 s_server_verify = SSL_VERIFY_NONE; 458 s_dcert_file = NULL; 459 s_dkey_file = NULL; 460 s_cert_file = TEST_CERT; 461 s_key_file = NULL; 462 # ifndef OPENSSL_NO_TLSEXT 463 s_cert_file2 = TEST_CERT2; 464 s_key_file2 = NULL; 465 ctx2 = NULL; 466 # endif 467 # ifdef FIONBIO 468 s_nbio = 0; 469 # endif 470 s_nbio_test = 0; 471 ctx = NULL; 472 www = 0; 473 474 bio_s_out = NULL; 475 s_debug = 0; 476 s_msg = 0; 477 s_quiet = 0; 478 hack = 0; 479 # ifndef OPENSSL_NO_ENGINE 480 engine_id = NULL; 481 # endif 482 } 483 #endif 484 485 static void sv_usage(void) 486 { 487 BIO_printf(bio_err, "usage: s_server [args ...]\n"); 488 BIO_printf(bio_err, "\n"); 489 BIO_printf(bio_err, 490 " -accept arg - port to accept on (default is %d)\n", PORT); 491 BIO_printf(bio_err, " -context arg - set session ID context\n"); 492 BIO_printf(bio_err, 493 " -verify arg - turn on peer certificate verification\n"); 494 BIO_printf(bio_err, 495 " -Verify arg - turn on peer certificate verification, must have a cert.\n"); 496 BIO_printf(bio_err, 497 " -verify_return_error - return verification errors\n"); 498 BIO_printf(bio_err, " -cert arg - certificate file to use\n"); 499 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT); 500 BIO_printf(bio_err, 501 " -crl_check - check the peer certificate has not been revoked by its CA.\n" 502 " The CRL(s) are appended to the certificate file\n"); 503 BIO_printf(bio_err, 504 " -crl_check_all - check the peer certificate has not been revoked by its CA\n" 505 " or any other CRL in the CA chain. CRL(s) are appened to the\n" 506 " the certificate file.\n"); 507 BIO_printf(bio_err, 508 " -certform arg - certificate format (PEM or DER) PEM default\n"); 509 BIO_printf(bio_err, 510 " -key arg - Private Key file to use, in cert file if\n"); 511 BIO_printf(bio_err, " not specified (default is %s)\n", 512 TEST_CERT); 513 BIO_printf(bio_err, 514 " -keyform arg - key format (PEM, DER or ENGINE) PEM default\n"); 515 BIO_printf(bio_err, 516 " -pass arg - private key file pass phrase source\n"); 517 BIO_printf(bio_err, 518 " -dcert arg - second certificate file to use (usually for DSA)\n"); 519 BIO_printf(bio_err, 520 " -dcertform x - second certificate format (PEM or DER) PEM default\n"); 521 BIO_printf(bio_err, 522 " -dkey arg - second private key file to use (usually for DSA)\n"); 523 BIO_printf(bio_err, 524 " -dkeyform arg - second key format (PEM, DER or ENGINE) PEM default\n"); 525 BIO_printf(bio_err, 526 " -dpass arg - second private key file pass phrase source\n"); 527 BIO_printf(bio_err, 528 " -dhparam arg - DH parameter file to use, in cert file if not specified\n"); 529 BIO_printf(bio_err, 530 " or a default set of parameters is used\n"); 531 #ifndef OPENSSL_NO_ECDH 532 BIO_printf(bio_err, 533 " -named_curve arg - Elliptic curve name to use for ephemeral ECDH keys.\n" 534 " Use \"openssl ecparam -list_curves\" for all names\n" 535 " (default is nistp256).\n"); 536 #endif 537 #ifdef FIONBIO 538 BIO_printf(bio_err, " -nbio - Run with non-blocking IO\n"); 539 #endif 540 BIO_printf(bio_err, 541 " -nbio_test - test with the non-blocking test bio\n"); 542 BIO_printf(bio_err, 543 " -crlf - convert LF from terminal into CRLF\n"); 544 BIO_printf(bio_err, " -debug - Print more output\n"); 545 BIO_printf(bio_err, " -msg - Show protocol messages\n"); 546 BIO_printf(bio_err, " -state - Print the SSL states\n"); 547 BIO_printf(bio_err, " -CApath arg - PEM format directory of CA's\n"); 548 BIO_printf(bio_err, " -CAfile arg - PEM format file of CA's\n"); 549 BIO_printf(bio_err, 550 " -no_alt_chains - only ever use the first certificate chain found\n"); 551 BIO_printf(bio_err, 552 " -nocert - Don't use any certificates (Anon-DH)\n"); 553 BIO_printf(bio_err, 554 " -cipher arg - play with 'openssl ciphers' to see what goes here\n"); 555 BIO_printf(bio_err, " -serverpref - Use server's cipher preferences\n"); 556 BIO_printf(bio_err, " -quiet - No server output\n"); 557 BIO_printf(bio_err, " -no_tmp_rsa - Do not generate a tmp RSA key\n"); 558 #ifndef OPENSSL_NO_PSK 559 BIO_printf(bio_err, " -psk_hint arg - PSK identity hint to use\n"); 560 BIO_printf(bio_err, " -psk arg - PSK in hex (without 0x)\n"); 561 # ifndef OPENSSL_NO_JPAKE 562 BIO_printf(bio_err, " -jpake arg - JPAKE secret to use\n"); 563 # endif 564 #endif 565 #ifndef OPENSSL_NO_SRP 566 BIO_printf(bio_err, " -srpvfile file - The verifier file for SRP\n"); 567 BIO_printf(bio_err, 568 " -srpuserseed string - A seed string for a default user salt.\n"); 569 #endif 570 BIO_printf(bio_err, " -ssl2 - Just talk SSLv2\n"); 571 #ifndef OPENSSL_NO_SSL3_METHOD 572 BIO_printf(bio_err, " -ssl3 - Just talk SSLv3\n"); 573 #endif 574 BIO_printf(bio_err, " -tls1_2 - Just talk TLSv1.2\n"); 575 BIO_printf(bio_err, " -tls1_1 - Just talk TLSv1.1\n"); 576 BIO_printf(bio_err, " -tls1 - Just talk TLSv1\n"); 577 BIO_printf(bio_err, " -dtls1 - Just talk DTLSv1\n"); 578 BIO_printf(bio_err, " -timeout - Enable timeouts\n"); 579 BIO_printf(bio_err, " -mtu - Set link layer MTU\n"); 580 BIO_printf(bio_err, " -chain - Read a certificate chain\n"); 581 BIO_printf(bio_err, " -no_ssl2 - Just disable SSLv2\n"); 582 BIO_printf(bio_err, " -no_ssl3 - Just disable SSLv3\n"); 583 BIO_printf(bio_err, " -no_tls1 - Just disable TLSv1\n"); 584 BIO_printf(bio_err, " -no_tls1_1 - Just disable TLSv1.1\n"); 585 BIO_printf(bio_err, " -no_tls1_2 - Just disable TLSv1.2\n"); 586 #ifndef OPENSSL_NO_DH 587 BIO_printf(bio_err, " -no_dhe - Disable ephemeral DH\n"); 588 #endif 589 #ifndef OPENSSL_NO_ECDH 590 BIO_printf(bio_err, " -no_ecdhe - Disable ephemeral ECDH\n"); 591 #endif 592 BIO_printf(bio_err, " -bugs - Turn on SSL bug compatibility\n"); 593 BIO_printf(bio_err, 594 " -hack - workaround for early Netscape code\n"); 595 BIO_printf(bio_err, 596 " -www - Respond to a 'GET /' with a status page\n"); 597 BIO_printf(bio_err, 598 " -WWW - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 599 BIO_printf(bio_err, 600 " -HTTP - Respond to a 'GET /<path> HTTP/1.0' with file ./<path>\n"); 601 BIO_printf(bio_err, 602 " with the assumption it contains a complete HTTP response.\n"); 603 #ifndef OPENSSL_NO_ENGINE 604 BIO_printf(bio_err, 605 " -engine id - Initialise and use the specified engine\n"); 606 #endif 607 BIO_printf(bio_err, 608 " -id_prefix arg - Generate SSL/TLS session IDs prefixed by 'arg'\n"); 609 BIO_printf(bio_err, " -rand file%cfile%c...\n", LIST_SEPARATOR_CHAR, 610 LIST_SEPARATOR_CHAR); 611 #ifndef OPENSSL_NO_TLSEXT 612 BIO_printf(bio_err, 613 " -servername host - servername for HostName TLS extension\n"); 614 BIO_printf(bio_err, 615 " -servername_fatal - on mismatch send fatal alert (default warning alert)\n"); 616 BIO_printf(bio_err, 617 " -cert2 arg - certificate file to use for servername\n"); 618 BIO_printf(bio_err, " (default is %s)\n", TEST_CERT2); 619 BIO_printf(bio_err, 620 " -key2 arg - Private Key file to use for servername, in cert file if\n"); 621 BIO_printf(bio_err, " not specified (default is %s)\n", 622 TEST_CERT2); 623 BIO_printf(bio_err, 624 " -tlsextdebug - hex dump of all TLS extensions received\n"); 625 BIO_printf(bio_err, 626 " -no_ticket - disable use of RFC4507bis session tickets\n"); 627 BIO_printf(bio_err, 628 " -legacy_renegotiation - enable use of legacy renegotiation (dangerous)\n"); 629 # ifndef OPENSSL_NO_NEXTPROTONEG 630 BIO_printf(bio_err, 631 " -nextprotoneg arg - set the advertised protocols for the NPN extension (comma-separated list)\n"); 632 # endif 633 # ifndef OPENSSL_NO_SRTP 634 BIO_printf(bio_err, 635 " -use_srtp profiles - Offer SRTP key management with a colon-separated profile list\n"); 636 # endif 637 #endif 638 BIO_printf(bio_err, 639 " -keymatexport label - Export keying material using label\n"); 640 BIO_printf(bio_err, 641 " -keymatexportlen len - Export len bytes of keying material (default 20)\n"); 642 BIO_printf(bio_err, 643 " -status - respond to certificate status requests\n"); 644 BIO_printf(bio_err, 645 " -status_verbose - enable status request verbose printout\n"); 646 BIO_printf(bio_err, 647 " -status_timeout n - status request responder timeout\n"); 648 BIO_printf(bio_err, " -status_url URL - status request fallback URL\n"); 649 } 650 651 static int local_argc = 0; 652 static char **local_argv; 653 654 #ifdef CHARSET_EBCDIC 655 static int ebcdic_new(BIO *bi); 656 static int ebcdic_free(BIO *a); 657 static int ebcdic_read(BIO *b, char *out, int outl); 658 static int ebcdic_write(BIO *b, const char *in, int inl); 659 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 660 static int ebcdic_gets(BIO *bp, char *buf, int size); 661 static int ebcdic_puts(BIO *bp, const char *str); 662 663 # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 664 static BIO_METHOD methods_ebcdic = { 665 BIO_TYPE_EBCDIC_FILTER, 666 "EBCDIC/ASCII filter", 667 ebcdic_write, 668 ebcdic_read, 669 ebcdic_puts, 670 ebcdic_gets, 671 ebcdic_ctrl, 672 ebcdic_new, 673 ebcdic_free, 674 }; 675 676 typedef struct { 677 size_t alloced; 678 char buff[1]; 679 } EBCDIC_OUTBUFF; 680 681 BIO_METHOD *BIO_f_ebcdic_filter() 682 { 683 return (&methods_ebcdic); 684 } 685 686 static int ebcdic_new(BIO *bi) 687 { 688 EBCDIC_OUTBUFF *wbuf; 689 690 wbuf = (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + 1024); 691 if (!wbuf) 692 return 0; 693 wbuf->alloced = 1024; 694 wbuf->buff[0] = '\0'; 695 696 bi->ptr = (char *)wbuf; 697 bi->init = 1; 698 bi->flags = 0; 699 return (1); 700 } 701 702 static int ebcdic_free(BIO *a) 703 { 704 if (a == NULL) 705 return (0); 706 if (a->ptr != NULL) 707 OPENSSL_free(a->ptr); 708 a->ptr = NULL; 709 a->init = 0; 710 a->flags = 0; 711 return (1); 712 } 713 714 static int ebcdic_read(BIO *b, char *out, int outl) 715 { 716 int ret = 0; 717 718 if (out == NULL || outl == 0) 719 return (0); 720 if (b->next_bio == NULL) 721 return (0); 722 723 ret = BIO_read(b->next_bio, out, outl); 724 if (ret > 0) 725 ascii2ebcdic(out, out, ret); 726 return (ret); 727 } 728 729 static int ebcdic_write(BIO *b, const char *in, int inl) 730 { 731 EBCDIC_OUTBUFF *wbuf; 732 int ret = 0; 733 int num; 734 unsigned char n; 735 736 if ((in == NULL) || (inl <= 0)) 737 return (0); 738 if (b->next_bio == NULL) 739 return (0); 740 741 wbuf = (EBCDIC_OUTBUFF *) b->ptr; 742 743 if (inl > (num = wbuf->alloced)) { 744 num = num + num; /* double the size */ 745 if (num < inl) 746 num = inl; 747 wbuf = 748 (EBCDIC_OUTBUFF *) OPENSSL_malloc(sizeof(EBCDIC_OUTBUFF) + num); 749 if (!wbuf) 750 return 0; 751 OPENSSL_free(b->ptr); 752 753 wbuf->alloced = num; 754 wbuf->buff[0] = '\0'; 755 756 b->ptr = (char *)wbuf; 757 } 758 759 ebcdic2ascii(wbuf->buff, in, inl); 760 761 ret = BIO_write(b->next_bio, wbuf->buff, inl); 762 763 return (ret); 764 } 765 766 static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) 767 { 768 long ret; 769 770 if (b->next_bio == NULL) 771 return (0); 772 switch (cmd) { 773 case BIO_CTRL_DUP: 774 ret = 0L; 775 break; 776 default: 777 ret = BIO_ctrl(b->next_bio, cmd, num, ptr); 778 break; 779 } 780 return (ret); 781 } 782 783 static int ebcdic_gets(BIO *bp, char *buf, int size) 784 { 785 int i, ret = 0; 786 if (bp->next_bio == NULL) 787 return (0); 788 /* return(BIO_gets(bp->next_bio,buf,size));*/ 789 for (i = 0; i < size - 1; ++i) { 790 ret = ebcdic_read(bp, &buf[i], 1); 791 if (ret <= 0) 792 break; 793 else if (buf[i] == '\n') { 794 ++i; 795 break; 796 } 797 } 798 if (i < size) 799 buf[i] = '\0'; 800 return (ret < 0 && i == 0) ? ret : i; 801 } 802 803 static int ebcdic_puts(BIO *bp, const char *str) 804 { 805 if (bp->next_bio == NULL) 806 return (0); 807 return ebcdic_write(bp, str, strlen(str)); 808 } 809 #endif 810 811 #ifndef OPENSSL_NO_TLSEXT 812 813 /* This is a context that we pass to callbacks */ 814 typedef struct tlsextctx_st { 815 char *servername; 816 BIO *biodebug; 817 int extension_error; 818 } tlsextctx; 819 820 static int MS_CALLBACK ssl_servername_cb(SSL *s, int *ad, void *arg) 821 { 822 tlsextctx *p = (tlsextctx *) arg; 823 const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); 824 if (servername && p->biodebug) 825 BIO_printf(p->biodebug, "Hostname in TLS extension: \"%s\"\n", 826 servername); 827 828 if (!p->servername) 829 return SSL_TLSEXT_ERR_NOACK; 830 831 if (servername) { 832 if (strcasecmp(servername, p->servername)) 833 return p->extension_error; 834 if (ctx2) { 835 BIO_printf(p->biodebug, "Switching server context.\n"); 836 SSL_set_SSL_CTX(s, ctx2); 837 } 838 } 839 return SSL_TLSEXT_ERR_OK; 840 } 841 842 /* Structure passed to cert status callback */ 843 844 typedef struct tlsextstatusctx_st { 845 /* Default responder to use */ 846 char *host, *path, *port; 847 int use_ssl; 848 int timeout; 849 BIO *err; 850 int verbose; 851 } tlsextstatusctx; 852 853 static tlsextstatusctx tlscstatp = { NULL, NULL, NULL, 0, -1, NULL, 0 }; 854 855 /* 856 * Certificate Status callback. This is called when a client includes a 857 * certificate status request extension. This is a simplified version. It 858 * examines certificates each time and makes one OCSP responder query for 859 * each request. A full version would store details such as the OCSP 860 * certificate IDs and minimise the number of OCSP responses by caching them 861 * until they were considered "expired". 862 */ 863 864 static int cert_status_cb(SSL *s, void *arg) 865 { 866 tlsextstatusctx *srctx = arg; 867 BIO *err = srctx->err; 868 char *host, *port, *path; 869 int use_ssl; 870 unsigned char *rspder = NULL; 871 int rspderlen; 872 STACK_OF(OPENSSL_STRING) *aia = NULL; 873 X509 *x = NULL; 874 X509_STORE_CTX inctx; 875 X509_OBJECT obj; 876 OCSP_REQUEST *req = NULL; 877 OCSP_RESPONSE *resp = NULL; 878 OCSP_CERTID *id = NULL; 879 STACK_OF(X509_EXTENSION) *exts; 880 int ret = SSL_TLSEXT_ERR_NOACK; 881 int i; 882 # if 0 883 STACK_OF(OCSP_RESPID) *ids; 884 SSL_get_tlsext_status_ids(s, &ids); 885 BIO_printf(err, "cert_status: received %d ids\n", 886 sk_OCSP_RESPID_num(ids)); 887 # endif 888 if (srctx->verbose) 889 BIO_puts(err, "cert_status: callback called\n"); 890 /* Build up OCSP query from server certificate */ 891 x = SSL_get_certificate(s); 892 aia = X509_get1_ocsp(x); 893 if (aia) { 894 if (!OCSP_parse_url(sk_OPENSSL_STRING_value(aia, 0), 895 &host, &port, &path, &use_ssl)) { 896 BIO_puts(err, "cert_status: can't parse AIA URL\n"); 897 goto err; 898 } 899 if (srctx->verbose) 900 BIO_printf(err, "cert_status: AIA URL: %s\n", 901 sk_OPENSSL_STRING_value(aia, 0)); 902 } else { 903 if (!srctx->host) { 904 BIO_puts(srctx->err, 905 "cert_status: no AIA and no default responder URL\n"); 906 goto done; 907 } 908 host = srctx->host; 909 path = srctx->path; 910 port = srctx->port; 911 use_ssl = srctx->use_ssl; 912 } 913 914 if (!X509_STORE_CTX_init(&inctx, 915 SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), 916 NULL, NULL)) 917 goto err; 918 if (X509_STORE_get_by_subject(&inctx, X509_LU_X509, 919 X509_get_issuer_name(x), &obj) <= 0) { 920 BIO_puts(err, "cert_status: Can't retrieve issuer certificate.\n"); 921 X509_STORE_CTX_cleanup(&inctx); 922 goto done; 923 } 924 req = OCSP_REQUEST_new(); 925 if (!req) 926 goto err; 927 id = OCSP_cert_to_id(NULL, x, obj.data.x509); 928 X509_free(obj.data.x509); 929 X509_STORE_CTX_cleanup(&inctx); 930 if (!id) 931 goto err; 932 if (!OCSP_request_add0_id(req, id)) 933 goto err; 934 id = NULL; 935 /* Add any extensions to the request */ 936 SSL_get_tlsext_status_exts(s, &exts); 937 for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { 938 X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); 939 if (!OCSP_REQUEST_add_ext(req, ext, -1)) 940 goto err; 941 } 942 resp = process_responder(err, req, host, path, port, use_ssl, NULL, 943 srctx->timeout); 944 if (!resp) { 945 BIO_puts(err, "cert_status: error querying responder\n"); 946 goto done; 947 } 948 rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); 949 if (rspderlen <= 0) 950 goto err; 951 SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); 952 if (srctx->verbose) { 953 BIO_puts(err, "cert_status: ocsp response sent:\n"); 954 OCSP_RESPONSE_print(err, resp, 2); 955 } 956 ret = SSL_TLSEXT_ERR_OK; 957 done: 958 if (ret != SSL_TLSEXT_ERR_OK) 959 ERR_print_errors(err); 960 if (aia) { 961 OPENSSL_free(host); 962 OPENSSL_free(path); 963 OPENSSL_free(port); 964 X509_email_free(aia); 965 } 966 if (id) 967 OCSP_CERTID_free(id); 968 if (req) 969 OCSP_REQUEST_free(req); 970 if (resp) 971 OCSP_RESPONSE_free(resp); 972 return ret; 973 err: 974 ret = SSL_TLSEXT_ERR_ALERT_FATAL; 975 goto done; 976 } 977 978 # ifndef OPENSSL_NO_NEXTPROTONEG 979 /* This is the context that we pass to next_proto_cb */ 980 typedef struct tlsextnextprotoctx_st { 981 unsigned char *data; 982 unsigned int len; 983 } tlsextnextprotoctx; 984 985 static int next_proto_cb(SSL *s, const unsigned char **data, 986 unsigned int *len, void *arg) 987 { 988 tlsextnextprotoctx *next_proto = arg; 989 990 *data = next_proto->data; 991 *len = next_proto->len; 992 993 return SSL_TLSEXT_ERR_OK; 994 } 995 # endif /* ndef OPENSSL_NO_NEXTPROTONEG */ 996 997 #endif 998 999 int MAIN(int, char **); 1000 1001 #ifndef OPENSSL_NO_JPAKE 1002 static char *jpake_secret = NULL; 1003 #endif 1004 #ifndef OPENSSL_NO_SRP 1005 static srpsrvparm srp_callback_parm; 1006 #endif 1007 #ifndef OPENSSL_NO_SRTP 1008 static char *srtp_profiles = NULL; 1009 #endif 1010 1011 int MAIN(int argc, char *argv[]) 1012 { 1013 X509_VERIFY_PARAM *vpm = NULL; 1014 int badarg = 0; 1015 short port = PORT; 1016 char *CApath = NULL, *CAfile = NULL; 1017 unsigned char *context = NULL; 1018 char *dhfile = NULL; 1019 #ifndef OPENSSL_NO_ECDH 1020 char *named_curve = NULL; 1021 #endif 1022 int badop = 0, bugs = 0; 1023 int ret = 1; 1024 int off = 0; 1025 int no_tmp_rsa = 0, no_dhe = 0, nocert = 0; 1026 #ifndef OPENSSL_NO_ECDH 1027 int no_ecdhe = 0; 1028 #endif 1029 int state = 0; 1030 const SSL_METHOD *meth = NULL; 1031 int socket_type = SOCK_STREAM; 1032 ENGINE *e = NULL; 1033 char *inrand = NULL; 1034 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1035 char *passarg = NULL, *pass = NULL; 1036 char *dpassarg = NULL, *dpass = NULL; 1037 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1038 X509 *s_cert = NULL, *s_dcert = NULL; 1039 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1040 int no_cache = 0; 1041 #ifndef OPENSSL_NO_TLSEXT 1042 EVP_PKEY *s_key2 = NULL; 1043 X509 *s_cert2 = NULL; 1044 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1045 # ifndef OPENSSL_NO_NEXTPROTONEG 1046 const char *next_proto_neg_in = NULL; 1047 tlsextnextprotoctx next_proto; 1048 # endif 1049 #endif 1050 #ifndef OPENSSL_NO_PSK 1051 /* by default do not send a PSK identity hint */ 1052 static char *psk_identity_hint = NULL; 1053 #endif 1054 #ifndef OPENSSL_NO_SRP 1055 char *srpuserseed = NULL; 1056 char *srp_verifier_file = NULL; 1057 #endif 1058 meth = SSLv23_server_method(); 1059 1060 local_argc = argc; 1061 local_argv = argv; 1062 1063 apps_startup(); 1064 #ifdef MONOLITH 1065 s_server_init(); 1066 #endif 1067 1068 if (bio_err == NULL) 1069 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1070 1071 if (!load_config(bio_err, NULL)) 1072 goto end; 1073 1074 verify_depth = 0; 1075 #ifdef FIONBIO 1076 s_nbio = 0; 1077 #endif 1078 s_nbio_test = 0; 1079 1080 argc--; 1081 argv++; 1082 1083 while (argc >= 1) { 1084 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1085 if (--argc < 1) 1086 goto bad; 1087 if (!extract_port(*(++argv), &port)) 1088 goto bad; 1089 } else if (strcmp(*argv, "-verify") == 0) { 1090 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1091 if (--argc < 1) 1092 goto bad; 1093 verify_depth = atoi(*(++argv)); 1094 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1095 } else if (strcmp(*argv, "-Verify") == 0) { 1096 s_server_verify = 1097 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1098 SSL_VERIFY_CLIENT_ONCE; 1099 if (--argc < 1) 1100 goto bad; 1101 verify_depth = atoi(*(++argv)); 1102 BIO_printf(bio_err, 1103 "verify depth is %d, must return a certificate\n", 1104 verify_depth); 1105 } else if (strcmp(*argv, "-context") == 0) { 1106 if (--argc < 1) 1107 goto bad; 1108 context = (unsigned char *)*(++argv); 1109 } else if (strcmp(*argv, "-cert") == 0) { 1110 if (--argc < 1) 1111 goto bad; 1112 s_cert_file = *(++argv); 1113 } else if (strcmp(*argv, "-certform") == 0) { 1114 if (--argc < 1) 1115 goto bad; 1116 s_cert_format = str2fmt(*(++argv)); 1117 } else if (strcmp(*argv, "-key") == 0) { 1118 if (--argc < 1) 1119 goto bad; 1120 s_key_file = *(++argv); 1121 } else if (strcmp(*argv, "-keyform") == 0) { 1122 if (--argc < 1) 1123 goto bad; 1124 s_key_format = str2fmt(*(++argv)); 1125 } else if (strcmp(*argv, "-pass") == 0) { 1126 if (--argc < 1) 1127 goto bad; 1128 passarg = *(++argv); 1129 } else if (strcmp(*argv, "-dhparam") == 0) { 1130 if (--argc < 1) 1131 goto bad; 1132 dhfile = *(++argv); 1133 } 1134 #ifndef OPENSSL_NO_ECDH 1135 else if (strcmp(*argv, "-named_curve") == 0) { 1136 if (--argc < 1) 1137 goto bad; 1138 named_curve = *(++argv); 1139 } 1140 #endif 1141 else if (strcmp(*argv, "-dcertform") == 0) { 1142 if (--argc < 1) 1143 goto bad; 1144 s_dcert_format = str2fmt(*(++argv)); 1145 } else if (strcmp(*argv, "-dcert") == 0) { 1146 if (--argc < 1) 1147 goto bad; 1148 s_dcert_file = *(++argv); 1149 } else if (strcmp(*argv, "-dkeyform") == 0) { 1150 if (--argc < 1) 1151 goto bad; 1152 s_dkey_format = str2fmt(*(++argv)); 1153 } else if (strcmp(*argv, "-dpass") == 0) { 1154 if (--argc < 1) 1155 goto bad; 1156 dpassarg = *(++argv); 1157 } else if (strcmp(*argv, "-dkey") == 0) { 1158 if (--argc < 1) 1159 goto bad; 1160 s_dkey_file = *(++argv); 1161 } else if (strcmp(*argv, "-nocert") == 0) { 1162 nocert = 1; 1163 } else if (strcmp(*argv, "-CApath") == 0) { 1164 if (--argc < 1) 1165 goto bad; 1166 CApath = *(++argv); 1167 } else if (strcmp(*argv, "-no_cache") == 0) 1168 no_cache = 1; 1169 else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1170 if (badarg) 1171 goto bad; 1172 continue; 1173 } else if (strcmp(*argv, "-verify_return_error") == 0) 1174 verify_return_error = 1; 1175 else if (strcmp(*argv, "-serverpref") == 0) { 1176 off |= SSL_OP_CIPHER_SERVER_PREFERENCE; 1177 } else if (strcmp(*argv, "-legacy_renegotiation") == 0) 1178 off |= SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION; 1179 else if (strcmp(*argv, "-cipher") == 0) { 1180 if (--argc < 1) 1181 goto bad; 1182 cipher = *(++argv); 1183 } else if (strcmp(*argv, "-CAfile") == 0) { 1184 if (--argc < 1) 1185 goto bad; 1186 CAfile = *(++argv); 1187 } 1188 #ifdef FIONBIO 1189 else if (strcmp(*argv, "-nbio") == 0) { 1190 s_nbio = 1; 1191 } 1192 #endif 1193 else if (strcmp(*argv, "-nbio_test") == 0) { 1194 #ifdef FIONBIO 1195 s_nbio = 1; 1196 #endif 1197 s_nbio_test = 1; 1198 } else if (strcmp(*argv, "-debug") == 0) { 1199 s_debug = 1; 1200 } 1201 #ifndef OPENSSL_NO_TLSEXT 1202 else if (strcmp(*argv, "-tlsextdebug") == 0) 1203 s_tlsextdebug = 1; 1204 else if (strcmp(*argv, "-status") == 0) 1205 s_tlsextstatus = 1; 1206 else if (strcmp(*argv, "-status_verbose") == 0) { 1207 s_tlsextstatus = 1; 1208 tlscstatp.verbose = 1; 1209 } else if (!strcmp(*argv, "-status_timeout")) { 1210 s_tlsextstatus = 1; 1211 if (--argc < 1) 1212 goto bad; 1213 tlscstatp.timeout = atoi(*(++argv)); 1214 } else if (!strcmp(*argv, "-status_url")) { 1215 s_tlsextstatus = 1; 1216 if (--argc < 1) 1217 goto bad; 1218 if (!OCSP_parse_url(*(++argv), 1219 &tlscstatp.host, 1220 &tlscstatp.port, 1221 &tlscstatp.path, &tlscstatp.use_ssl)) { 1222 BIO_printf(bio_err, "Error parsing URL\n"); 1223 goto bad; 1224 } 1225 } 1226 #endif 1227 else if (strcmp(*argv, "-msg") == 0) { 1228 s_msg = 1; 1229 } else if (strcmp(*argv, "-hack") == 0) { 1230 hack = 1; 1231 } else if (strcmp(*argv, "-state") == 0) { 1232 state = 1; 1233 } else if (strcmp(*argv, "-crlf") == 0) { 1234 s_crlf = 1; 1235 } else if (strcmp(*argv, "-quiet") == 0) { 1236 s_quiet = 1; 1237 } else if (strcmp(*argv, "-bugs") == 0) { 1238 bugs = 1; 1239 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1240 no_tmp_rsa = 1; 1241 } else if (strcmp(*argv, "-no_dhe") == 0) { 1242 no_dhe = 1; 1243 } 1244 #ifndef OPENSSL_NO_ECDH 1245 else if (strcmp(*argv, "-no_ecdhe") == 0) { 1246 no_ecdhe = 1; 1247 } 1248 #endif 1249 #ifndef OPENSSL_NO_PSK 1250 else if (strcmp(*argv, "-psk_hint") == 0) { 1251 if (--argc < 1) 1252 goto bad; 1253 psk_identity_hint = *(++argv); 1254 } else if (strcmp(*argv, "-psk") == 0) { 1255 size_t i; 1256 1257 if (--argc < 1) 1258 goto bad; 1259 psk_key = *(++argv); 1260 for (i = 0; i < strlen(psk_key); i++) { 1261 if (isxdigit((unsigned char)psk_key[i])) 1262 continue; 1263 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1264 goto bad; 1265 } 1266 } 1267 #endif 1268 #ifndef OPENSSL_NO_SRP 1269 else if (strcmp(*argv, "-srpvfile") == 0) { 1270 if (--argc < 1) 1271 goto bad; 1272 srp_verifier_file = *(++argv); 1273 meth = TLSv1_server_method(); 1274 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1275 if (--argc < 1) 1276 goto bad; 1277 srpuserseed = *(++argv); 1278 meth = TLSv1_server_method(); 1279 } 1280 #endif 1281 else if (strcmp(*argv, "-www") == 0) { 1282 www = 1; 1283 } else if (strcmp(*argv, "-WWW") == 0) { 1284 www = 2; 1285 } else if (strcmp(*argv, "-HTTP") == 0) { 1286 www = 3; 1287 } else if (strcmp(*argv, "-no_ssl2") == 0) { 1288 off |= SSL_OP_NO_SSLv2; 1289 } else if (strcmp(*argv, "-no_ssl3") == 0) { 1290 off |= SSL_OP_NO_SSLv3; 1291 } else if (strcmp(*argv, "-no_tls1") == 0) { 1292 off |= SSL_OP_NO_TLSv1; 1293 } else if (strcmp(*argv, "-no_tls1_1") == 0) { 1294 off |= SSL_OP_NO_TLSv1_1; 1295 } else if (strcmp(*argv, "-no_tls1_2") == 0) { 1296 off |= SSL_OP_NO_TLSv1_2; 1297 } else if (strcmp(*argv, "-no_comp") == 0) { 1298 off |= SSL_OP_NO_COMPRESSION; 1299 } 1300 #ifndef OPENSSL_NO_TLSEXT 1301 else if (strcmp(*argv, "-no_ticket") == 0) { 1302 off |= SSL_OP_NO_TICKET; 1303 } 1304 #endif 1305 #ifndef OPENSSL_NO_SSL2 1306 else if (strcmp(*argv, "-ssl2") == 0) { 1307 meth = SSLv2_server_method(); 1308 } 1309 #endif 1310 #ifndef OPENSSL_NO_SSL3_METHOD 1311 else if (strcmp(*argv, "-ssl3") == 0) { 1312 meth = SSLv3_server_method(); 1313 } 1314 #endif 1315 #ifndef OPENSSL_NO_TLS1 1316 else if (strcmp(*argv, "-tls1") == 0) { 1317 meth = TLSv1_server_method(); 1318 } else if (strcmp(*argv, "-tls1_1") == 0) { 1319 meth = TLSv1_1_server_method(); 1320 } else if (strcmp(*argv, "-tls1_2") == 0) { 1321 meth = TLSv1_2_server_method(); 1322 } 1323 #endif 1324 #ifndef OPENSSL_NO_DTLS1 1325 else if (strcmp(*argv, "-dtls1") == 0) { 1326 meth = DTLSv1_server_method(); 1327 socket_type = SOCK_DGRAM; 1328 } else if (strcmp(*argv, "-timeout") == 0) 1329 enable_timeouts = 1; 1330 else if (strcmp(*argv, "-mtu") == 0) { 1331 if (--argc < 1) 1332 goto bad; 1333 socket_mtu = atol(*(++argv)); 1334 } else if (strcmp(*argv, "-chain") == 0) 1335 cert_chain = 1; 1336 #endif 1337 else if (strcmp(*argv, "-id_prefix") == 0) { 1338 if (--argc < 1) 1339 goto bad; 1340 session_id_prefix = *(++argv); 1341 } 1342 #ifndef OPENSSL_NO_ENGINE 1343 else if (strcmp(*argv, "-engine") == 0) { 1344 if (--argc < 1) 1345 goto bad; 1346 engine_id = *(++argv); 1347 } 1348 #endif 1349 else if (strcmp(*argv, "-rand") == 0) { 1350 if (--argc < 1) 1351 goto bad; 1352 inrand = *(++argv); 1353 } 1354 #ifndef OPENSSL_NO_TLSEXT 1355 else if (strcmp(*argv, "-servername") == 0) { 1356 if (--argc < 1) 1357 goto bad; 1358 tlsextcbp.servername = *(++argv); 1359 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1360 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1361 } else if (strcmp(*argv, "-cert2") == 0) { 1362 if (--argc < 1) 1363 goto bad; 1364 s_cert_file2 = *(++argv); 1365 } else if (strcmp(*argv, "-key2") == 0) { 1366 if (--argc < 1) 1367 goto bad; 1368 s_key_file2 = *(++argv); 1369 } 1370 # ifndef OPENSSL_NO_NEXTPROTONEG 1371 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1372 if (--argc < 1) 1373 goto bad; 1374 next_proto_neg_in = *(++argv); 1375 } 1376 # endif 1377 #endif 1378 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1379 else if (strcmp(*argv, "-jpake") == 0) { 1380 if (--argc < 1) 1381 goto bad; 1382 jpake_secret = *(++argv); 1383 } 1384 #endif 1385 #ifndef OPENSSL_NO_SRTP 1386 else if (strcmp(*argv, "-use_srtp") == 0) { 1387 if (--argc < 1) 1388 goto bad; 1389 srtp_profiles = *(++argv); 1390 } 1391 #endif 1392 else if (strcmp(*argv, "-keymatexport") == 0) { 1393 if (--argc < 1) 1394 goto bad; 1395 keymatexportlabel = *(++argv); 1396 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1397 if (--argc < 1) 1398 goto bad; 1399 keymatexportlen = atoi(*(++argv)); 1400 if (keymatexportlen == 0) 1401 goto bad; 1402 } else { 1403 BIO_printf(bio_err, "unknown option %s\n", *argv); 1404 badop = 1; 1405 break; 1406 } 1407 argc--; 1408 argv++; 1409 } 1410 if (badop) { 1411 bad: 1412 sv_usage(); 1413 goto end; 1414 } 1415 #ifndef OPENSSL_NO_DTLS1 1416 if (www && socket_type == SOCK_DGRAM) { 1417 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1418 goto end; 1419 } 1420 #endif 1421 1422 #if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1423 if (jpake_secret) { 1424 if (psk_key) { 1425 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1426 goto end; 1427 } 1428 psk_identity = "JPAKE"; 1429 if (cipher) { 1430 BIO_printf(bio_err, "JPAKE sets cipher to PSK\n"); 1431 goto end; 1432 } 1433 cipher = "PSK"; 1434 } 1435 #endif 1436 1437 SSL_load_error_strings(); 1438 OpenSSL_add_ssl_algorithms(); 1439 1440 #ifndef OPENSSL_NO_ENGINE 1441 e = setup_engine(bio_err, engine_id, 1); 1442 #endif 1443 1444 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1445 BIO_printf(bio_err, "Error getting password\n"); 1446 goto end; 1447 } 1448 1449 if (s_key_file == NULL) 1450 s_key_file = s_cert_file; 1451 #ifndef OPENSSL_NO_TLSEXT 1452 if (s_key_file2 == NULL) 1453 s_key_file2 = s_cert_file2; 1454 #endif 1455 1456 if (nocert == 0) { 1457 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1458 "server certificate private key file"); 1459 if (!s_key) { 1460 ERR_print_errors(bio_err); 1461 goto end; 1462 } 1463 1464 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1465 NULL, e, "server certificate file"); 1466 1467 if (!s_cert) { 1468 ERR_print_errors(bio_err); 1469 goto end; 1470 } 1471 #ifndef OPENSSL_NO_TLSEXT 1472 if (tlsextcbp.servername) { 1473 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1474 "second server certificate private key file"); 1475 if (!s_key2) { 1476 ERR_print_errors(bio_err); 1477 goto end; 1478 } 1479 1480 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1481 NULL, e, "second server certificate file"); 1482 1483 if (!s_cert2) { 1484 ERR_print_errors(bio_err); 1485 goto end; 1486 } 1487 } 1488 #endif 1489 } 1490 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 1491 if (next_proto_neg_in) { 1492 unsigned short len; 1493 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1494 if (next_proto.data == NULL) 1495 goto end; 1496 next_proto.len = len; 1497 } else { 1498 next_proto.data = NULL; 1499 } 1500 #endif 1501 1502 if (s_dcert_file) { 1503 1504 if (s_dkey_file == NULL) 1505 s_dkey_file = s_dcert_file; 1506 1507 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1508 0, dpass, e, "second certificate private key file"); 1509 if (!s_dkey) { 1510 ERR_print_errors(bio_err); 1511 goto end; 1512 } 1513 1514 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1515 NULL, e, "second server certificate file"); 1516 1517 if (!s_dcert) { 1518 ERR_print_errors(bio_err); 1519 goto end; 1520 } 1521 1522 } 1523 1524 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1525 && !RAND_status()) { 1526 BIO_printf(bio_err, 1527 "warning, not much extra random data, consider using the -rand option\n"); 1528 } 1529 if (inrand != NULL) 1530 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1531 app_RAND_load_files(inrand)); 1532 1533 if (bio_s_out == NULL) { 1534 if (s_quiet && !s_debug && !s_msg) { 1535 bio_s_out = BIO_new(BIO_s_null()); 1536 } else { 1537 if (bio_s_out == NULL) 1538 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1539 } 1540 } 1541 #if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1542 if (nocert) 1543 #endif 1544 { 1545 s_cert_file = NULL; 1546 s_key_file = NULL; 1547 s_dcert_file = NULL; 1548 s_dkey_file = NULL; 1549 #ifndef OPENSSL_NO_TLSEXT 1550 s_cert_file2 = NULL; 1551 s_key_file2 = NULL; 1552 #endif 1553 } 1554 1555 ctx = SSL_CTX_new(meth); 1556 if (ctx == NULL) { 1557 ERR_print_errors(bio_err); 1558 goto end; 1559 } 1560 if (session_id_prefix) { 1561 if (strlen(session_id_prefix) >= 32) 1562 BIO_printf(bio_err, 1563 "warning: id_prefix is too long, only one new session will be possible\n"); 1564 else if (strlen(session_id_prefix) >= 16) 1565 BIO_printf(bio_err, 1566 "warning: id_prefix is too long if you use SSLv2\n"); 1567 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1568 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1569 ERR_print_errors(bio_err); 1570 goto end; 1571 } 1572 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1573 } 1574 SSL_CTX_set_quiet_shutdown(ctx, 1); 1575 if (bugs) 1576 SSL_CTX_set_options(ctx, SSL_OP_ALL); 1577 if (hack) 1578 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1579 SSL_CTX_set_options(ctx, off); 1580 1581 if (state) 1582 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1583 if (no_cache) 1584 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1585 else 1586 SSL_CTX_sess_set_cache_size(ctx, 128); 1587 1588 #ifndef OPENSSL_NO_SRTP 1589 if (srtp_profiles != NULL) 1590 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1591 #endif 1592 1593 #if 0 1594 if (cipher == NULL) 1595 cipher = getenv("SSL_CIPHER"); 1596 #endif 1597 1598 #if 0 1599 if (s_cert_file == NULL) { 1600 BIO_printf(bio_err, 1601 "You must specify a certificate file for the server to use\n"); 1602 goto end; 1603 } 1604 #endif 1605 1606 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1607 (!SSL_CTX_set_default_verify_paths(ctx))) { 1608 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1609 ERR_print_errors(bio_err); 1610 /* goto end; */ 1611 } 1612 if (vpm) 1613 SSL_CTX_set1_param(ctx, vpm); 1614 1615 #ifndef OPENSSL_NO_TLSEXT 1616 if (s_cert2) { 1617 ctx2 = SSL_CTX_new(meth); 1618 if (ctx2 == NULL) { 1619 ERR_print_errors(bio_err); 1620 goto end; 1621 } 1622 } 1623 1624 if (ctx2) { 1625 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1626 1627 if (session_id_prefix) { 1628 if (strlen(session_id_prefix) >= 32) 1629 BIO_printf(bio_err, 1630 "warning: id_prefix is too long, only one new session will be possible\n"); 1631 else if (strlen(session_id_prefix) >= 16) 1632 BIO_printf(bio_err, 1633 "warning: id_prefix is too long if you use SSLv2\n"); 1634 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1635 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1636 ERR_print_errors(bio_err); 1637 goto end; 1638 } 1639 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1640 } 1641 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1642 if (bugs) 1643 SSL_CTX_set_options(ctx2, SSL_OP_ALL); 1644 if (hack) 1645 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1646 SSL_CTX_set_options(ctx2, off); 1647 1648 if (state) 1649 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1650 1651 if (no_cache) 1652 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1653 else 1654 SSL_CTX_sess_set_cache_size(ctx2, 128); 1655 1656 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1657 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1658 ERR_print_errors(bio_err); 1659 } 1660 if (vpm) 1661 SSL_CTX_set1_param(ctx2, vpm); 1662 } 1663 # ifndef OPENSSL_NO_NEXTPROTONEG 1664 if (next_proto.data) 1665 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1666 &next_proto); 1667 # endif 1668 #endif 1669 1670 #ifndef OPENSSL_NO_DH 1671 if (!no_dhe) { 1672 DH *dh = NULL; 1673 1674 if (dhfile) 1675 dh = load_dh_param(dhfile); 1676 else if (s_cert_file) 1677 dh = load_dh_param(s_cert_file); 1678 1679 if (dh != NULL) { 1680 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1681 } else { 1682 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1683 dh = get_dh2048(); 1684 if (dh == NULL) { 1685 ERR_print_errors(bio_err); 1686 goto end; 1687 } 1688 } 1689 (void)BIO_flush(bio_s_out); 1690 1691 SSL_CTX_set_tmp_dh(ctx, dh); 1692 # ifndef OPENSSL_NO_TLSEXT 1693 if (ctx2) { 1694 if (!dhfile) { 1695 DH *dh2 = load_dh_param(s_cert_file2); 1696 if (dh2 != NULL) { 1697 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1698 (void)BIO_flush(bio_s_out); 1699 1700 DH_free(dh); 1701 dh = dh2; 1702 } 1703 } 1704 SSL_CTX_set_tmp_dh(ctx2, dh); 1705 } 1706 # endif 1707 DH_free(dh); 1708 } 1709 #endif 1710 1711 #ifndef OPENSSL_NO_ECDH 1712 if (!no_ecdhe) { 1713 EC_KEY *ecdh = NULL; 1714 1715 if (named_curve) { 1716 int nid = OBJ_sn2nid(named_curve); 1717 1718 if (nid == 0) { 1719 BIO_printf(bio_err, "unknown curve name (%s)\n", named_curve); 1720 goto end; 1721 } 1722 ecdh = EC_KEY_new_by_curve_name(nid); 1723 if (ecdh == NULL) { 1724 BIO_printf(bio_err, "unable to create curve (%s)\n", 1725 named_curve); 1726 goto end; 1727 } 1728 } 1729 1730 if (ecdh != NULL) { 1731 BIO_printf(bio_s_out, "Setting temp ECDH parameters\n"); 1732 } else { 1733 BIO_printf(bio_s_out, "Using default temp ECDH parameters\n"); 1734 ecdh = EC_KEY_new_by_curve_name(NID_X9_62_prime256v1); 1735 if (ecdh == NULL) { 1736 BIO_printf(bio_err, "unable to create curve (nistp256)\n"); 1737 goto end; 1738 } 1739 } 1740 (void)BIO_flush(bio_s_out); 1741 1742 SSL_CTX_set_tmp_ecdh(ctx, ecdh); 1743 # ifndef OPENSSL_NO_TLSEXT 1744 if (ctx2) 1745 SSL_CTX_set_tmp_ecdh(ctx2, ecdh); 1746 # endif 1747 EC_KEY_free(ecdh); 1748 } 1749 #endif 1750 1751 if (!set_cert_key_stuff(ctx, s_cert, s_key)) 1752 goto end; 1753 #ifndef OPENSSL_NO_TLSEXT 1754 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2)) 1755 goto end; 1756 #endif 1757 if (s_dcert != NULL) { 1758 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey)) 1759 goto end; 1760 } 1761 #ifndef OPENSSL_NO_RSA 1762 # if 1 1763 if (!no_tmp_rsa) { 1764 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1765 # ifndef OPENSSL_NO_TLSEXT 1766 if (ctx2) 1767 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1768 # endif 1769 } 1770 # else 1771 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1772 RSA *rsa; 1773 1774 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1775 BIO_flush(bio_s_out); 1776 1777 rsa = RSA_generate_key(512, RSA_F4, NULL); 1778 1779 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1780 ERR_print_errors(bio_err); 1781 goto end; 1782 } 1783 # ifndef OPENSSL_NO_TLSEXT 1784 if (ctx2) { 1785 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1786 ERR_print_errors(bio_err); 1787 goto end; 1788 } 1789 } 1790 # endif 1791 RSA_free(rsa); 1792 BIO_printf(bio_s_out, "\n"); 1793 } 1794 # endif 1795 #endif 1796 1797 #ifndef OPENSSL_NO_PSK 1798 # ifdef OPENSSL_NO_JPAKE 1799 if (psk_key != NULL) 1800 # else 1801 if (psk_key != NULL || jpake_secret) 1802 # endif 1803 { 1804 if (s_debug) 1805 BIO_printf(bio_s_out, 1806 "PSK key given or JPAKE in use, setting server callback\n"); 1807 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 1808 } 1809 1810 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 1811 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 1812 ERR_print_errors(bio_err); 1813 goto end; 1814 } 1815 #endif 1816 1817 if (cipher != NULL) { 1818 if (!SSL_CTX_set_cipher_list(ctx, cipher)) { 1819 BIO_printf(bio_err, "error setting cipher list\n"); 1820 ERR_print_errors(bio_err); 1821 goto end; 1822 } 1823 #ifndef OPENSSL_NO_TLSEXT 1824 if (ctx2 && !SSL_CTX_set_cipher_list(ctx2, cipher)) { 1825 BIO_printf(bio_err, "error setting cipher list\n"); 1826 ERR_print_errors(bio_err); 1827 goto end; 1828 } 1829 #endif 1830 } 1831 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 1832 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 1833 sizeof s_server_session_id_context); 1834 1835 /* Set DTLS cookie generation and verification callbacks */ 1836 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 1837 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 1838 1839 #ifndef OPENSSL_NO_TLSEXT 1840 if (ctx2) { 1841 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 1842 SSL_CTX_set_session_id_context(ctx2, 1843 (void *)&s_server_session_id_context, 1844 sizeof s_server_session_id_context); 1845 1846 tlsextcbp.biodebug = bio_s_out; 1847 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 1848 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 1849 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 1850 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 1851 } 1852 #endif 1853 1854 #ifndef OPENSSL_NO_SRP 1855 if (srp_verifier_file != NULL) { 1856 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 1857 srp_callback_parm.user = NULL; 1858 srp_callback_parm.login = NULL; 1859 if ((ret = 1860 SRP_VBASE_init(srp_callback_parm.vb, 1861 srp_verifier_file)) != SRP_NO_ERROR) { 1862 BIO_printf(bio_err, 1863 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 1864 srp_verifier_file, ret); 1865 goto end; 1866 } 1867 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 1868 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 1869 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 1870 } else 1871 #endif 1872 if (CAfile != NULL) { 1873 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 1874 #ifndef OPENSSL_NO_TLSEXT 1875 if (ctx2) 1876 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 1877 #endif 1878 } 1879 1880 BIO_printf(bio_s_out, "ACCEPT\n"); 1881 (void)BIO_flush(bio_s_out); 1882 if (www) 1883 do_server(port, socket_type, &accept_socket, www_body, context); 1884 else 1885 do_server(port, socket_type, &accept_socket, sv_body, context); 1886 print_stats(bio_s_out, ctx); 1887 ret = 0; 1888 end: 1889 if (ctx != NULL) 1890 SSL_CTX_free(ctx); 1891 if (s_cert) 1892 X509_free(s_cert); 1893 if (s_dcert) 1894 X509_free(s_dcert); 1895 if (s_key) 1896 EVP_PKEY_free(s_key); 1897 if (s_dkey) 1898 EVP_PKEY_free(s_dkey); 1899 if (pass) 1900 OPENSSL_free(pass); 1901 if (dpass) 1902 OPENSSL_free(dpass); 1903 if (vpm) 1904 X509_VERIFY_PARAM_free(vpm); 1905 #ifndef OPENSSL_NO_TLSEXT 1906 if (tlscstatp.host) 1907 OPENSSL_free(tlscstatp.host); 1908 if (tlscstatp.port) 1909 OPENSSL_free(tlscstatp.port); 1910 if (tlscstatp.path) 1911 OPENSSL_free(tlscstatp.path); 1912 if (ctx2 != NULL) 1913 SSL_CTX_free(ctx2); 1914 if (s_cert2) 1915 X509_free(s_cert2); 1916 if (s_key2) 1917 EVP_PKEY_free(s_key2); 1918 #endif 1919 if (bio_s_out != NULL) { 1920 BIO_free(bio_s_out); 1921 bio_s_out = NULL; 1922 } 1923 apps_shutdown(); 1924 OPENSSL_EXIT(ret); 1925 } 1926 1927 static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 1928 { 1929 BIO_printf(bio, "%4ld items in the session cache\n", 1930 SSL_CTX_sess_number(ssl_ctx)); 1931 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 1932 SSL_CTX_sess_connect(ssl_ctx)); 1933 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 1934 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 1935 BIO_printf(bio, "%4ld client connects that finished\n", 1936 SSL_CTX_sess_connect_good(ssl_ctx)); 1937 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 1938 SSL_CTX_sess_accept(ssl_ctx)); 1939 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 1940 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 1941 BIO_printf(bio, "%4ld server accepts that finished\n", 1942 SSL_CTX_sess_accept_good(ssl_ctx)); 1943 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 1944 BIO_printf(bio, "%4ld session cache misses\n", 1945 SSL_CTX_sess_misses(ssl_ctx)); 1946 BIO_printf(bio, "%4ld session cache timeouts\n", 1947 SSL_CTX_sess_timeouts(ssl_ctx)); 1948 BIO_printf(bio, "%4ld callback cache hits\n", 1949 SSL_CTX_sess_cb_hits(ssl_ctx)); 1950 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 1951 SSL_CTX_sess_cache_full(ssl_ctx), 1952 SSL_CTX_sess_get_cache_size(ssl_ctx)); 1953 } 1954 1955 static int sv_body(char *hostname, int s, unsigned char *context) 1956 { 1957 char *buf = NULL; 1958 fd_set readfds; 1959 int ret = 1, width; 1960 int k, i, fdin; 1961 unsigned long l; 1962 SSL *con = NULL; 1963 BIO *sbio; 1964 #ifndef OPENSSL_NO_KRB5 1965 KSSL_CTX *kctx; 1966 #endif 1967 struct timeval timeout; 1968 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 1969 struct timeval tv; 1970 #else 1971 struct timeval *timeoutp; 1972 #endif 1973 1974 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 1975 BIO_printf(bio_err, "out of memory\n"); 1976 goto err; 1977 } 1978 #ifdef FIONBIO 1979 if (s_nbio) { 1980 unsigned long sl = 1; 1981 1982 if (!s_quiet) 1983 BIO_printf(bio_err, "turning on non blocking io\n"); 1984 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 1985 ERR_print_errors(bio_err); 1986 } 1987 #endif 1988 1989 if (con == NULL) { 1990 con = SSL_new(ctx); 1991 #ifndef OPENSSL_NO_TLSEXT 1992 if (s_tlsextdebug) { 1993 SSL_set_tlsext_debug_callback(con, tlsext_cb); 1994 SSL_set_tlsext_debug_arg(con, bio_s_out); 1995 } 1996 if (s_tlsextstatus) { 1997 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 1998 tlscstatp.err = bio_err; 1999 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2000 } 2001 #endif 2002 #ifndef OPENSSL_NO_KRB5 2003 if ((kctx = kssl_ctx_new()) != NULL) { 2004 SSL_set0_kssl_ctx(con, kctx); 2005 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2006 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2007 } 2008 #endif /* OPENSSL_NO_KRB5 */ 2009 if (context) 2010 SSL_set_session_id_context(con, context, strlen((char *)context)); 2011 } 2012 SSL_clear(con); 2013 #if 0 2014 # ifdef TLSEXT_TYPE_opaque_prf_input 2015 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2016 # endif 2017 #endif 2018 2019 if (SSL_version(con) == DTLS1_VERSION) { 2020 2021 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2022 2023 if (enable_timeouts) { 2024 timeout.tv_sec = 0; 2025 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2026 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2027 2028 timeout.tv_sec = 0; 2029 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2030 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2031 } 2032 2033 if (socket_mtu) { 2034 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2035 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2036 DTLS_get_link_min_mtu(con)); 2037 ret = -1; 2038 BIO_free(sbio); 2039 goto err; 2040 } 2041 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2042 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2043 BIO_printf(bio_err, "Failed to set MTU\n"); 2044 ret = -1; 2045 BIO_free(sbio); 2046 goto err; 2047 } 2048 } else 2049 /* want to do MTU discovery */ 2050 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2051 2052 /* turn on cookie exchange */ 2053 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2054 } else 2055 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2056 2057 if (s_nbio_test) { 2058 BIO *test; 2059 2060 test = BIO_new(BIO_f_nbio_test()); 2061 sbio = BIO_push(test, sbio); 2062 } 2063 #ifndef OPENSSL_NO_JPAKE 2064 if (jpake_secret) 2065 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2066 #endif 2067 2068 SSL_set_bio(con, sbio, sbio); 2069 SSL_set_accept_state(con); 2070 /* SSL_set_fd(con,s); */ 2071 2072 if (s_debug) { 2073 SSL_set_debug(con, 1); 2074 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2075 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2076 } 2077 if (s_msg) { 2078 SSL_set_msg_callback(con, msg_cb); 2079 SSL_set_msg_callback_arg(con, bio_s_out); 2080 } 2081 #ifndef OPENSSL_NO_TLSEXT 2082 if (s_tlsextdebug) { 2083 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2084 SSL_set_tlsext_debug_arg(con, bio_s_out); 2085 } 2086 #endif 2087 2088 width = s + 1; 2089 for (;;) { 2090 int read_from_terminal; 2091 int read_from_sslcon; 2092 2093 read_from_terminal = 0; 2094 read_from_sslcon = SSL_pending(con); 2095 2096 if (!read_from_sslcon) { 2097 fdin = fileno(stdin); 2098 if (fdin < 0) { 2099 BIO_printf(bio_err,"Bad fileno for stdin\n"); 2100 goto err; 2101 } 2102 FD_ZERO(&readfds); 2103 #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2104 openssl_fdset(fdin, &readfds); 2105 #endif 2106 openssl_fdset(s, &readfds); 2107 /* 2108 * Note: under VMS with SOCKETSHR the second parameter is 2109 * currently of type (int *) whereas under other systems it is 2110 * (void *) if you don't have a cast it will choke the compiler: 2111 * if you do have a cast then you can either go for (int *) or 2112 * (void *). 2113 */ 2114 #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2115 /* 2116 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2117 * only on sockets. As a workaround we timeout the select every 2118 * second and check for any keypress. In a proper Windows 2119 * application we wouldn't do this because it is inefficient. 2120 */ 2121 tv.tv_sec = 1; 2122 tv.tv_usec = 0; 2123 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2124 if ((i < 0) || (!i && !_kbhit())) 2125 continue; 2126 if (_kbhit()) 2127 read_from_terminal = 1; 2128 #elif defined(OPENSSL_SYS_BEOS_R5) 2129 /* Under BeOS-R5 the situation is similar to DOS */ 2130 tv.tv_sec = 1; 2131 tv.tv_usec = 0; 2132 (void)fcntl(fdin, F_SETFL, O_NONBLOCK); 2133 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2134 if ((i < 0) || (!i && read(fdin, buf, 0) < 0)) 2135 continue; 2136 if (read(fdin, buf, 0) >= 0) 2137 read_from_terminal = 1; 2138 (void)fcntl(fdin, F_SETFL, 0); 2139 #else 2140 if ((SSL_version(con) == DTLS1_VERSION) && 2141 DTLSv1_get_timeout(con, &timeout)) 2142 timeoutp = &timeout; 2143 else 2144 timeoutp = NULL; 2145 2146 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2147 2148 if ((SSL_version(con) == DTLS1_VERSION) 2149 && DTLSv1_handle_timeout(con) > 0) { 2150 BIO_printf(bio_err, "TIMEOUT occured\n"); 2151 } 2152 2153 if (i <= 0) 2154 continue; 2155 if (FD_ISSET(fdin, &readfds)) 2156 read_from_terminal = 1; 2157 #endif 2158 if (FD_ISSET(s, &readfds)) 2159 read_from_sslcon = 1; 2160 } 2161 if (read_from_terminal) { 2162 if (s_crlf) { 2163 int j, lf_num; 2164 2165 i = raw_read_stdin(buf, bufsize / 2); 2166 lf_num = 0; 2167 /* both loops are skipped when i <= 0 */ 2168 for (j = 0; j < i; j++) 2169 if (buf[j] == '\n') 2170 lf_num++; 2171 for (j = i - 1; j >= 0; j--) { 2172 buf[j + lf_num] = buf[j]; 2173 if (buf[j] == '\n') { 2174 lf_num--; 2175 i++; 2176 buf[j + lf_num] = '\r'; 2177 } 2178 } 2179 assert(lf_num == 0); 2180 } else 2181 i = raw_read_stdin(buf, bufsize); 2182 if (!s_quiet) { 2183 if ((i <= 0) || (buf[0] == 'Q')) { 2184 BIO_printf(bio_s_out, "DONE\n"); 2185 SHUTDOWN(s); 2186 close_accept_socket(); 2187 ret = -11; 2188 goto err; 2189 } 2190 if ((i <= 0) || (buf[0] == 'q')) { 2191 BIO_printf(bio_s_out, "DONE\n"); 2192 if (SSL_version(con) != DTLS1_VERSION) 2193 SHUTDOWN(s); 2194 /* 2195 * close_accept_socket(); ret= -11; 2196 */ 2197 goto err; 2198 } 2199 #ifndef OPENSSL_NO_HEARTBEATS 2200 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2201 BIO_printf(bio_err, "HEARTBEATING\n"); 2202 SSL_heartbeat(con); 2203 i = 0; 2204 continue; 2205 } 2206 #endif 2207 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2208 SSL_renegotiate(con); 2209 i = SSL_do_handshake(con); 2210 printf("SSL_do_handshake -> %d\n", i); 2211 i = 0; /* 13; */ 2212 continue; 2213 /* 2214 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2215 */ 2216 } 2217 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2218 SSL_set_verify(con, 2219 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2220 NULL); 2221 SSL_renegotiate(con); 2222 i = SSL_do_handshake(con); 2223 printf("SSL_do_handshake -> %d\n", i); 2224 i = 0; /* 13; */ 2225 continue; 2226 /* 2227 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2228 * cert\n"); 2229 */ 2230 } 2231 if (buf[0] == 'P') { 2232 static const char *str = "Lets print some clear text\n"; 2233 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2234 } 2235 if (buf[0] == 'S') { 2236 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2237 } 2238 } 2239 #ifdef CHARSET_EBCDIC 2240 ebcdic2ascii(buf, buf, i); 2241 #endif 2242 l = k = 0; 2243 for (;;) { 2244 /* should do a select for the write */ 2245 #ifdef RENEG 2246 { 2247 static count = 0; 2248 if (++count == 100) { 2249 count = 0; 2250 SSL_renegotiate(con); 2251 } 2252 } 2253 #endif 2254 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2255 #ifndef OPENSSL_NO_SRP 2256 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2257 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2258 SRP_user_pwd_free(srp_callback_parm.user); 2259 srp_callback_parm.user = 2260 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2261 srp_callback_parm.login); 2262 if (srp_callback_parm.user) 2263 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2264 srp_callback_parm.user->info); 2265 else 2266 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2267 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2268 } 2269 #endif 2270 switch (SSL_get_error(con, k)) { 2271 case SSL_ERROR_NONE: 2272 break; 2273 case SSL_ERROR_WANT_WRITE: 2274 case SSL_ERROR_WANT_READ: 2275 case SSL_ERROR_WANT_X509_LOOKUP: 2276 BIO_printf(bio_s_out, "Write BLOCK\n"); 2277 break; 2278 case SSL_ERROR_SYSCALL: 2279 case SSL_ERROR_SSL: 2280 BIO_printf(bio_s_out, "ERROR\n"); 2281 ERR_print_errors(bio_err); 2282 ret = 1; 2283 goto err; 2284 /* break; */ 2285 case SSL_ERROR_ZERO_RETURN: 2286 BIO_printf(bio_s_out, "DONE\n"); 2287 ret = 1; 2288 goto err; 2289 } 2290 if (k > 0) { 2291 l += k; 2292 i -= k; 2293 } 2294 if (i <= 0) 2295 break; 2296 } 2297 } 2298 if (read_from_sslcon) { 2299 if (!SSL_is_init_finished(con)) { 2300 i = init_ssl_connection(con); 2301 2302 if (i < 0) { 2303 ret = 0; 2304 goto err; 2305 } else if (i == 0) { 2306 ret = 1; 2307 goto err; 2308 } 2309 } else { 2310 again: 2311 i = SSL_read(con, (char *)buf, bufsize); 2312 #ifndef OPENSSL_NO_SRP 2313 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2314 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2315 SRP_user_pwd_free(srp_callback_parm.user); 2316 srp_callback_parm.user = 2317 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2318 srp_callback_parm.login); 2319 if (srp_callback_parm.user) 2320 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2321 srp_callback_parm.user->info); 2322 else 2323 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2324 i = SSL_read(con, (char *)buf, bufsize); 2325 } 2326 #endif 2327 switch (SSL_get_error(con, i)) { 2328 case SSL_ERROR_NONE: 2329 #ifdef CHARSET_EBCDIC 2330 ascii2ebcdic(buf, buf, i); 2331 #endif 2332 raw_write_stdout(buf, (unsigned int)i); 2333 if (SSL_pending(con)) 2334 goto again; 2335 break; 2336 case SSL_ERROR_WANT_WRITE: 2337 case SSL_ERROR_WANT_READ: 2338 BIO_printf(bio_s_out, "Read BLOCK\n"); 2339 break; 2340 case SSL_ERROR_SYSCALL: 2341 case SSL_ERROR_SSL: 2342 BIO_printf(bio_s_out, "ERROR\n"); 2343 ERR_print_errors(bio_err); 2344 ret = 1; 2345 goto err; 2346 case SSL_ERROR_ZERO_RETURN: 2347 BIO_printf(bio_s_out, "DONE\n"); 2348 ret = 1; 2349 goto err; 2350 } 2351 } 2352 } 2353 } 2354 err: 2355 if (con != NULL) { 2356 BIO_printf(bio_s_out, "shutting down SSL\n"); 2357 #if 1 2358 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2359 #else 2360 SSL_shutdown(con); 2361 #endif 2362 SSL_free(con); 2363 } 2364 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2365 if (buf != NULL) { 2366 OPENSSL_cleanse(buf, bufsize); 2367 OPENSSL_free(buf); 2368 } 2369 if (ret >= 0) 2370 BIO_printf(bio_s_out, "ACCEPT\n"); 2371 return (ret); 2372 } 2373 2374 static void close_accept_socket(void) 2375 { 2376 BIO_printf(bio_err, "shutdown accept socket\n"); 2377 if (accept_socket >= 0) { 2378 SHUTDOWN2(accept_socket); 2379 } 2380 } 2381 2382 static int init_ssl_connection(SSL *con) 2383 { 2384 int i; 2385 const char *str; 2386 X509 *peer; 2387 long verify_error; 2388 MS_STATIC char buf[BUFSIZ]; 2389 #ifndef OPENSSL_NO_KRB5 2390 char *client_princ; 2391 #endif 2392 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2393 const unsigned char *next_proto_neg; 2394 unsigned next_proto_neg_len; 2395 #endif 2396 unsigned char *exportedkeymat; 2397 2398 i = SSL_accept(con); 2399 #ifndef OPENSSL_NO_SRP 2400 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2401 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2402 srp_callback_parm.login); 2403 SRP_user_pwd_free(srp_callback_parm.user); 2404 srp_callback_parm.user = 2405 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2406 srp_callback_parm.login); 2407 if (srp_callback_parm.user) 2408 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2409 srp_callback_parm.user->info); 2410 else 2411 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2412 i = SSL_accept(con); 2413 } 2414 #endif 2415 if (i <= 0) { 2416 if (BIO_sock_should_retry(i)) { 2417 BIO_printf(bio_s_out, "DELAY\n"); 2418 return (1); 2419 } 2420 2421 BIO_printf(bio_err, "ERROR\n"); 2422 verify_error = SSL_get_verify_result(con); 2423 if (verify_error != X509_V_OK) { 2424 BIO_printf(bio_err, "verify error:%s\n", 2425 X509_verify_cert_error_string(verify_error)); 2426 } else 2427 ERR_print_errors(bio_err); 2428 return (0); 2429 } 2430 2431 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2432 2433 peer = SSL_get_peer_certificate(con); 2434 if (peer != NULL) { 2435 BIO_printf(bio_s_out, "Client certificate\n"); 2436 PEM_write_bio_X509(bio_s_out, peer); 2437 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof buf); 2438 BIO_printf(bio_s_out, "subject=%s\n", buf); 2439 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof buf); 2440 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2441 X509_free(peer); 2442 } 2443 2444 if (SSL_get_shared_ciphers(con, buf, sizeof buf) != NULL) 2445 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2446 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2447 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2448 2449 #if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2450 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2451 if (next_proto_neg) { 2452 BIO_printf(bio_s_out, "NEXTPROTO is "); 2453 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2454 BIO_printf(bio_s_out, "\n"); 2455 } 2456 #endif 2457 #ifndef OPENSSL_NO_SRTP 2458 { 2459 SRTP_PROTECTION_PROFILE *srtp_profile 2460 = SSL_get_selected_srtp_profile(con); 2461 2462 if (srtp_profile) 2463 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2464 srtp_profile->name); 2465 } 2466 #endif 2467 if (SSL_cache_hit(con)) 2468 BIO_printf(bio_s_out, "Reused session-id\n"); 2469 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2470 TLS1_FLAGS_TLS_PADDING_BUG) 2471 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2472 #ifndef OPENSSL_NO_KRB5 2473 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2474 if (client_princ != NULL) { 2475 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2476 client_princ); 2477 } 2478 #endif /* OPENSSL_NO_KRB5 */ 2479 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2480 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2481 if (keymatexportlabel != NULL) { 2482 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2483 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2484 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2485 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2486 if (exportedkeymat != NULL) { 2487 if (!SSL_export_keying_material(con, exportedkeymat, 2488 keymatexportlen, 2489 keymatexportlabel, 2490 strlen(keymatexportlabel), 2491 NULL, 0, 0)) { 2492 BIO_printf(bio_s_out, " Error\n"); 2493 } else { 2494 BIO_printf(bio_s_out, " Keying material: "); 2495 for (i = 0; i < keymatexportlen; i++) 2496 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2497 BIO_printf(bio_s_out, "\n"); 2498 } 2499 OPENSSL_free(exportedkeymat); 2500 } 2501 } 2502 2503 return (1); 2504 } 2505 2506 #ifndef OPENSSL_NO_DH 2507 static DH *load_dh_param(const char *dhfile) 2508 { 2509 DH *ret = NULL; 2510 BIO *bio; 2511 2512 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2513 goto err; 2514 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2515 err: 2516 if (bio != NULL) 2517 BIO_free(bio); 2518 return (ret); 2519 } 2520 #endif 2521 #ifndef OPENSSL_NO_KRB5 2522 char *client_princ; 2523 #endif 2524 2525 #if 0 2526 static int load_CA(SSL_CTX *ctx, char *file) 2527 { 2528 FILE *in; 2529 X509 *x = NULL; 2530 2531 if ((in = fopen(file, "r")) == NULL) 2532 return (0); 2533 2534 for (;;) { 2535 if (PEM_read_X509(in, &x, NULL) == NULL) 2536 break; 2537 SSL_CTX_add_client_CA(ctx, x); 2538 } 2539 if (x != NULL) 2540 X509_free(x); 2541 fclose(in); 2542 return (1); 2543 } 2544 #endif 2545 2546 static int www_body(char *hostname, int s, unsigned char *context) 2547 { 2548 char *buf = NULL; 2549 int ret = 1; 2550 int i, j, k, dot; 2551 SSL *con; 2552 const SSL_CIPHER *c; 2553 BIO *io, *ssl_bio, *sbio; 2554 #ifndef OPENSSL_NO_KRB5 2555 KSSL_CTX *kctx; 2556 #endif 2557 2558 buf = OPENSSL_malloc(bufsize); 2559 if (buf == NULL) 2560 return (0); 2561 io = BIO_new(BIO_f_buffer()); 2562 ssl_bio = BIO_new(BIO_f_ssl()); 2563 if ((io == NULL) || (ssl_bio == NULL)) 2564 goto err; 2565 2566 #ifdef FIONBIO 2567 if (s_nbio) { 2568 unsigned long sl = 1; 2569 2570 if (!s_quiet) 2571 BIO_printf(bio_err, "turning on non blocking io\n"); 2572 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2573 ERR_print_errors(bio_err); 2574 } 2575 #endif 2576 2577 /* lets make the output buffer a reasonable size */ 2578 if (!BIO_set_write_buffer_size(io, bufsize)) 2579 goto err; 2580 2581 if ((con = SSL_new(ctx)) == NULL) 2582 goto err; 2583 #ifndef OPENSSL_NO_TLSEXT 2584 if (s_tlsextdebug) { 2585 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2586 SSL_set_tlsext_debug_arg(con, bio_s_out); 2587 } 2588 #endif 2589 #ifndef OPENSSL_NO_KRB5 2590 if ((kctx = kssl_ctx_new()) != NULL) { 2591 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2592 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2593 } 2594 #endif /* OPENSSL_NO_KRB5 */ 2595 if (context) 2596 SSL_set_session_id_context(con, context, strlen((char *)context)); 2597 2598 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2599 if (s_nbio_test) { 2600 BIO *test; 2601 2602 test = BIO_new(BIO_f_nbio_test()); 2603 sbio = BIO_push(test, sbio); 2604 } 2605 SSL_set_bio(con, sbio, sbio); 2606 SSL_set_accept_state(con); 2607 2608 /* SSL_set_fd(con,s); */ 2609 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2610 BIO_push(io, ssl_bio); 2611 #ifdef CHARSET_EBCDIC 2612 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2613 #endif 2614 2615 if (s_debug) { 2616 SSL_set_debug(con, 1); 2617 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2618 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2619 } 2620 if (s_msg) { 2621 SSL_set_msg_callback(con, msg_cb); 2622 SSL_set_msg_callback_arg(con, bio_s_out); 2623 } 2624 2625 for (;;) { 2626 if (hack) { 2627 i = SSL_accept(con); 2628 #ifndef OPENSSL_NO_SRP 2629 while (i <= 0 2630 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2631 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2632 srp_callback_parm.login); 2633 SRP_user_pwd_free(srp_callback_parm.user); 2634 srp_callback_parm.user = 2635 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2636 srp_callback_parm.login); 2637 if (srp_callback_parm.user) 2638 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2639 srp_callback_parm.user->info); 2640 else 2641 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2642 i = SSL_accept(con); 2643 } 2644 #endif 2645 switch (SSL_get_error(con, i)) { 2646 case SSL_ERROR_NONE: 2647 break; 2648 case SSL_ERROR_WANT_WRITE: 2649 case SSL_ERROR_WANT_READ: 2650 case SSL_ERROR_WANT_X509_LOOKUP: 2651 continue; 2652 case SSL_ERROR_SYSCALL: 2653 case SSL_ERROR_SSL: 2654 case SSL_ERROR_ZERO_RETURN: 2655 ret = 1; 2656 goto err; 2657 /* break; */ 2658 } 2659 2660 SSL_renegotiate(con); 2661 SSL_write(con, NULL, 0); 2662 } 2663 2664 i = BIO_gets(io, buf, bufsize - 1); 2665 if (i < 0) { /* error */ 2666 if (!BIO_should_retry(io)) { 2667 if (!s_quiet) 2668 ERR_print_errors(bio_err); 2669 goto err; 2670 } else { 2671 BIO_printf(bio_s_out, "read R BLOCK\n"); 2672 #ifndef OPENSSL_NO_SRP 2673 if (BIO_should_io_special(io) 2674 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2675 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2676 SRP_user_pwd_free(srp_callback_parm.user); 2677 srp_callback_parm.user = 2678 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2679 srp_callback_parm.login); 2680 if (srp_callback_parm.user) 2681 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2682 srp_callback_parm.user->info); 2683 else 2684 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2685 continue; 2686 } 2687 #endif 2688 #if defined(OPENSSL_SYS_NETWARE) 2689 delay(1000); 2690 #elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2691 sleep(1); 2692 #endif 2693 continue; 2694 } 2695 } else if (i == 0) { /* end of input */ 2696 ret = 1; 2697 goto end; 2698 } 2699 2700 /* else we have data */ 2701 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2702 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2703 char *p; 2704 X509 *peer; 2705 STACK_OF(SSL_CIPHER) *sk; 2706 static const char *space = " "; 2707 2708 BIO_puts(io, 2709 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2710 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2711 BIO_puts(io, "<pre>\n"); 2712 /* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2713 BIO_puts(io, "\n"); 2714 for (i = 0; i < local_argc; i++) { 2715 BIO_puts(io, local_argv[i]); 2716 BIO_write(io, " ", 1); 2717 } 2718 BIO_puts(io, "\n"); 2719 2720 BIO_printf(io, 2721 "Secure Renegotiation IS%s supported\n", 2722 SSL_get_secure_renegotiation_support(con) ? 2723 "" : " NOT"); 2724 2725 /* 2726 * The following is evil and should not really be done 2727 */ 2728 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2729 sk = SSL_get_ciphers(con); 2730 j = sk_SSL_CIPHER_num(sk); 2731 for (i = 0; i < j; i++) { 2732 c = sk_SSL_CIPHER_value(sk, i); 2733 BIO_printf(io, "%-11s:%-25s", 2734 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2735 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2736 BIO_puts(io, "\n"); 2737 } 2738 BIO_puts(io, "\n"); 2739 p = SSL_get_shared_ciphers(con, buf, bufsize); 2740 if (p != NULL) { 2741 BIO_printf(io, 2742 "---\nCiphers common between both SSL end points:\n"); 2743 j = i = 0; 2744 while (*p) { 2745 if (*p == ':') { 2746 BIO_write(io, space, 26 - j); 2747 i++; 2748 j = 0; 2749 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 2750 } else { 2751 BIO_write(io, p, 1); 2752 j++; 2753 } 2754 p++; 2755 } 2756 BIO_puts(io, "\n"); 2757 } 2758 BIO_printf(io, (SSL_cache_hit(con) 2759 ? "---\nReused, " : "---\nNew, ")); 2760 c = SSL_get_current_cipher(con); 2761 BIO_printf(io, "%s, Cipher is %s\n", 2762 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2763 SSL_SESSION_print(io, SSL_get_session(con)); 2764 BIO_printf(io, "---\n"); 2765 print_stats(io, SSL_get_SSL_CTX(con)); 2766 BIO_printf(io, "---\n"); 2767 peer = SSL_get_peer_certificate(con); 2768 if (peer != NULL) { 2769 BIO_printf(io, "Client certificate\n"); 2770 X509_print(io, peer); 2771 PEM_write_bio_X509(io, peer); 2772 } else 2773 BIO_puts(io, "no client certificate available\n"); 2774 BIO_puts(io, "</BODY></HTML>\r\n\r\n"); 2775 break; 2776 } else if ((www == 2 || www == 3) 2777 && (strncmp("GET /", buf, 5) == 0)) { 2778 BIO *file; 2779 char *p, *e; 2780 static const char *text = 2781 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 2782 2783 /* skip the '/' */ 2784 p = &(buf[5]); 2785 2786 dot = 1; 2787 for (e = p; *e != '\0'; e++) { 2788 if (e[0] == ' ') 2789 break; 2790 2791 switch (dot) { 2792 case 1: 2793 dot = (e[0] == '.') ? 2 : 0; 2794 break; 2795 case 2: 2796 dot = (e[0] == '.') ? 3 : 0; 2797 break; 2798 case 3: 2799 dot = (e[0] == '/') ? -1 : 0; 2800 break; 2801 } 2802 if (dot == 0) 2803 dot = (e[0] == '/') ? 1 : 0; 2804 } 2805 dot = (dot == 3) || (dot == -1); /* filename contains ".." 2806 * component */ 2807 2808 if (*e == '\0') { 2809 BIO_puts(io, text); 2810 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 2811 break; 2812 } 2813 *e = '\0'; 2814 2815 if (dot) { 2816 BIO_puts(io, text); 2817 BIO_printf(io, "'%s' contains '..' reference\r\n", p); 2818 break; 2819 } 2820 2821 if (*p == '/') { 2822 BIO_puts(io, text); 2823 BIO_printf(io, "'%s' is an invalid path\r\n", p); 2824 break; 2825 } 2826 #if 0 2827 /* append if a directory lookup */ 2828 if (e[-1] == '/') 2829 strcat(p, "index.html"); 2830 #endif 2831 2832 /* if a directory, do the index thang */ 2833 if (app_isdir(p) > 0) { 2834 #if 0 /* must check buffer size */ 2835 strcat(p, "/index.html"); 2836 #else 2837 BIO_puts(io, text); 2838 BIO_printf(io, "'%s' is a directory\r\n", p); 2839 break; 2840 #endif 2841 } 2842 2843 if ((file = BIO_new_file(p, "r")) == NULL) { 2844 BIO_puts(io, text); 2845 BIO_printf(io, "Error opening '%s'\r\n", p); 2846 ERR_print_errors(io); 2847 break; 2848 } 2849 2850 if (!s_quiet) 2851 BIO_printf(bio_err, "FILE:%s\n", p); 2852 2853 if (www == 2) { 2854 i = strlen(p); 2855 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 2856 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 2857 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 2858 BIO_puts(io, 2859 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2860 else 2861 BIO_puts(io, 2862 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 2863 } 2864 /* send the file */ 2865 for (;;) { 2866 i = BIO_read(file, buf, bufsize); 2867 if (i <= 0) 2868 break; 2869 2870 #ifdef RENEG 2871 total_bytes += i; 2872 fprintf(stderr, "%d\n", i); 2873 if (total_bytes > 3 * 1024) { 2874 total_bytes = 0; 2875 fprintf(stderr, "RENEGOTIATE\n"); 2876 SSL_renegotiate(con); 2877 } 2878 #endif 2879 2880 for (j = 0; j < i;) { 2881 #ifdef RENEG 2882 { 2883 static count = 0; 2884 if (++count == 13) { 2885 SSL_renegotiate(con); 2886 } 2887 } 2888 #endif 2889 k = BIO_write(io, &(buf[j]), i - j); 2890 if (k <= 0) { 2891 if (!BIO_should_retry(io)) 2892 goto write_error; 2893 else { 2894 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 2895 } 2896 } else { 2897 j += k; 2898 } 2899 } 2900 } 2901 write_error: 2902 BIO_free(file); 2903 break; 2904 } 2905 } 2906 2907 for (;;) { 2908 i = (int)BIO_flush(io); 2909 if (i <= 0) { 2910 if (!BIO_should_retry(io)) 2911 break; 2912 } else 2913 break; 2914 } 2915 end: 2916 #if 1 2917 /* make sure we re-use sessions */ 2918 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2919 #else 2920 /* This kills performance */ 2921 /* 2922 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 2923 * procession 2924 */ 2925 #endif 2926 2927 err: 2928 2929 if (ret >= 0) 2930 BIO_printf(bio_s_out, "ACCEPT\n"); 2931 2932 if (buf != NULL) 2933 OPENSSL_free(buf); 2934 if (io != NULL) 2935 BIO_free_all(io); 2936 /* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 2937 return (ret); 2938 } 2939 2940 #ifndef OPENSSL_NO_RSA 2941 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 2942 { 2943 BIGNUM *bn = NULL; 2944 static RSA *rsa_tmp = NULL; 2945 2946 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 2947 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 2948 if (!rsa_tmp && bn) { 2949 if (!s_quiet) { 2950 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 2951 keylength); 2952 (void)BIO_flush(bio_err); 2953 } 2954 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 2955 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 2956 if (rsa_tmp) 2957 RSA_free(rsa_tmp); 2958 rsa_tmp = NULL; 2959 } 2960 if (!s_quiet) { 2961 BIO_printf(bio_err, "\n"); 2962 (void)BIO_flush(bio_err); 2963 } 2964 BN_free(bn); 2965 } 2966 return (rsa_tmp); 2967 } 2968 #endif 2969 2970 #define MAX_SESSION_ID_ATTEMPTS 10 2971 static int generate_session_id(const SSL *ssl, unsigned char *id, 2972 unsigned int *id_len) 2973 { 2974 unsigned int count = 0; 2975 do { 2976 if (RAND_pseudo_bytes(id, *id_len) < 0) 2977 return 0; 2978 /* 2979 * Prefix the session_id with the required prefix. NB: If our prefix 2980 * is too long, clip it - but there will be worse effects anyway, eg. 2981 * the server could only possibly create 1 session ID (ie. the 2982 * prefix!) so all future session negotiations will fail due to 2983 * conflicts. 2984 */ 2985 memcpy(id, session_id_prefix, 2986 (strlen(session_id_prefix) < *id_len) ? 2987 strlen(session_id_prefix) : *id_len); 2988 } 2989 while (SSL_has_matching_session_id(ssl, id, *id_len) && 2990 (++count < MAX_SESSION_ID_ATTEMPTS)); 2991 if (count >= MAX_SESSION_ID_ATTEMPTS) 2992 return 0; 2993 return 1; 2994 } 2995