s_server.c revision 356290
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) 1998-2019 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 175typedef 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 210static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength); 211#endif 212static int sv_body(int s, int stype, unsigned char *context); 213static int www_body(int s, int stype, unsigned char *context); 214static int rev_body(int s, int stype, unsigned char *context); 215static void close_accept_socket(void); 216static void sv_usage(void); 217static int init_ssl_connection(SSL *s); 218static void print_stats(BIO *bp, SSL_CTX *ctx); 219static int generate_session_id(const SSL *ssl, unsigned char *id, 220 unsigned int *id_len); 221static void init_session_cache_ctx(SSL_CTX *sctx); 222static void free_sessions(void); 223#ifndef OPENSSL_NO_DH 224static DH *load_dh_param(const char *dhfile); 225static DH *get_dh2048(void); 226#endif 227 228#ifdef MONOLITH 229static void s_server_init(void); 230#endif 231 232#ifndef OPENSSL_NO_DH 233static 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 258static unsigned char dh2048_g[] = { 259 0x02, 260}; 261 262DH *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 282static int bufsize = BUFSIZZ; 283static 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 292extern int verify_depth, verify_return_error, verify_quiet; 293 294static int s_server_verify = SSL_VERIFY_NONE; 295static int s_server_session_id_context = 1; /* anything will do */ 296static const char *s_cert_file = TEST_CERT, *s_key_file = 297 NULL, *s_chain_file = NULL; 298#ifndef OPENSSL_NO_TLSEXT 299static const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; 300#endif 301static char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; 302#ifdef FIONBIO 303static int s_nbio = 0; 304#endif 305static int s_nbio_test = 0; 306int s_crlf = 0; 307static SSL_CTX *ctx = NULL; 308#ifndef OPENSSL_NO_TLSEXT 309static SSL_CTX *ctx2 = NULL; 310#endif 311static int www = 0; 312 313static BIO *bio_s_out = NULL; 314static BIO *bio_s_msg = NULL; 315static int s_debug = 0; 316#ifndef OPENSSL_NO_TLSEXT 317static int s_tlsextdebug = 0; 318static int s_tlsextstatus = 0; 319static int cert_status_cb(SSL *s, void *arg); 320#endif 321static int no_resume_ephemeral = 0; 322static int s_msg = 0; 323static int s_quiet = 0; 324static int s_ign_eof = 0; 325static int s_brief = 0; 326 327static char *keymatexportlabel = NULL; 328static int keymatexportlen = 20; 329 330static int hack = 0; 331static char *engine_id = NULL; 332static const char *session_id_prefix = NULL; 333 334static int enable_timeouts = 0; 335static long socket_mtu; 336#ifndef OPENSSL_NO_DTLS1 337static int cert_chain = 0; 338#endif 339 340#ifndef OPENSSL_NO_TLSEXT 341static BIO *serverinfo_in = NULL; 342static const char *s_serverinfo_file = NULL; 343 344#endif 345 346#ifndef OPENSSL_NO_PSK 347static char *psk_identity = "Client_identity"; 348char *psk_key = NULL; /* by default PSK is not used */ 349 350static 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 */ 406typedef 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 */ 420static 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 447err: 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 457static 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 489static 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 680static int local_argc = 0; 681static char **local_argv; 682 683#ifdef CHARSET_EBCDIC 684static int ebcdic_new(BIO *bi); 685static int ebcdic_free(BIO *a); 686static int ebcdic_read(BIO *b, char *out, int outl); 687static int ebcdic_write(BIO *b, const char *in, int inl); 688static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); 689static int ebcdic_gets(BIO *bp, char *buf, int size); 690static int ebcdic_puts(BIO *bp, const char *str); 691 692# define BIO_TYPE_EBCDIC_FILTER (18|0x0200) 693static 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 705typedef struct { 706 size_t alloced; 707 char buff[1]; 708} EBCDIC_OUTBUFF; 709 710BIO_METHOD *BIO_f_ebcdic_filter() 711{ 712 return (&methods_ebcdic); 713} 714 715static 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 731static 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 743static 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 758static 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 795static 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 812static 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 832static 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 */ 843typedef struct tlsextctx_st { 844 char *servername; 845 BIO *biodebug; 846 int extension_error; 847} tlsextctx; 848 849static 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 873typedef 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 882static 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 893static 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 */ 1009typedef struct tlsextnextprotoctx_st { 1010 unsigned char *data; 1011 unsigned int len; 1012} tlsextnextprotoctx; 1013 1014static 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 */ 1027typedef struct tlsextalpnctx_st { 1028 unsigned char *data; 1029 unsigned short len; 1030} tlsextalpnctx; 1031 1032static 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 1066int MAIN(int, char **); 1067 1068#ifndef OPENSSL_NO_JPAKE 1069static char *jpake_secret = NULL; 1070# define no_jpake !jpake_secret 1071#else 1072# define no_jpake 1 1073#endif 1074#ifndef OPENSSL_NO_SRP 1075static srpsrvparm srp_callback_parm; 1076#endif 1077#ifndef OPENSSL_NO_SRTP 1078static char *srtp_profiles = NULL; 1079#endif 1080 1081int 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#ifndef OPENSSL_NO_DH 1091 char *dhfile = NULL; 1092 int no_dhe = 0; 1093#endif 1094 int badop = 0; 1095 int ret = 1; 1096 int build_chain = 0; 1097 int no_tmp_rsa = 0, no_ecdhe = 0, nocert = 0; 1098 int state = 0; 1099 const SSL_METHOD *meth = NULL; 1100 int socket_type = SOCK_STREAM; 1101 ENGINE *e = NULL; 1102 char *inrand = NULL; 1103 int s_cert_format = FORMAT_PEM, s_key_format = FORMAT_PEM; 1104 char *passarg = NULL, *pass = NULL; 1105 char *dpassarg = NULL, *dpass = NULL; 1106 int s_dcert_format = FORMAT_PEM, s_dkey_format = FORMAT_PEM; 1107 X509 *s_cert = NULL, *s_dcert = NULL; 1108 STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; 1109 EVP_PKEY *s_key = NULL, *s_dkey = NULL; 1110 int no_cache = 0, ext_cache = 0; 1111 int rev = 0, naccept = -1; 1112#ifndef OPENSSL_NO_TLSEXT 1113 EVP_PKEY *s_key2 = NULL; 1114 X509 *s_cert2 = NULL; 1115 tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; 1116# ifndef OPENSSL_NO_NEXTPROTONEG 1117 const char *next_proto_neg_in = NULL; 1118 tlsextnextprotoctx next_proto = { NULL, 0 }; 1119# endif 1120 const char *alpn_in = NULL; 1121 tlsextalpnctx alpn_ctx = { NULL, 0 }; 1122#endif 1123#ifndef OPENSSL_NO_PSK 1124 /* by default do not send a PSK identity hint */ 1125 static char *psk_identity_hint = NULL; 1126#endif 1127#ifndef OPENSSL_NO_SRP 1128 char *srpuserseed = NULL; 1129 char *srp_verifier_file = NULL; 1130#endif 1131 SSL_EXCERT *exc = NULL; 1132 SSL_CONF_CTX *cctx = NULL; 1133 STACK_OF(OPENSSL_STRING) *ssl_args = NULL; 1134 1135 char *crl_file = NULL; 1136 int crl_format = FORMAT_PEM; 1137 int crl_download = 0; 1138 STACK_OF(X509_CRL) *crls = NULL; 1139 int prot_opt = 0, no_prot_opt = 0; 1140 1141 meth = SSLv23_server_method(); 1142 1143 local_argc = argc; 1144 local_argv = argv; 1145 1146 apps_startup(); 1147#ifdef MONOLITH 1148 s_server_init(); 1149#endif 1150 1151 if (bio_err == NULL) 1152 bio_err = BIO_new_fp(stderr, BIO_NOCLOSE); 1153 1154 if (!load_config(bio_err, NULL)) 1155 goto end; 1156 1157 cctx = SSL_CONF_CTX_new(); 1158 if (!cctx) 1159 goto end; 1160 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_SERVER); 1161 SSL_CONF_CTX_set_flags(cctx, SSL_CONF_FLAG_CMDLINE); 1162 1163 verify_depth = 0; 1164#ifdef FIONBIO 1165 s_nbio = 0; 1166#endif 1167 s_nbio_test = 0; 1168 1169 argc--; 1170 argv++; 1171 1172 while (argc >= 1) { 1173 if ((strcmp(*argv, "-port") == 0) || (strcmp(*argv, "-accept") == 0)) { 1174 if (--argc < 1) 1175 goto bad; 1176 if (!extract_port(*(++argv), &port)) 1177 goto bad; 1178 } else if (strcmp(*argv, "-naccept") == 0) { 1179 if (--argc < 1) 1180 goto bad; 1181 naccept = atol(*(++argv)); 1182 if (naccept <= 0) { 1183 BIO_printf(bio_err, "bad accept value %s\n", *argv); 1184 goto bad; 1185 } 1186 } else if (strcmp(*argv, "-verify") == 0) { 1187 s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; 1188 if (--argc < 1) 1189 goto bad; 1190 verify_depth = atoi(*(++argv)); 1191 if (!s_quiet) 1192 BIO_printf(bio_err, "verify depth is %d\n", verify_depth); 1193 } else if (strcmp(*argv, "-Verify") == 0) { 1194 s_server_verify = 1195 SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | 1196 SSL_VERIFY_CLIENT_ONCE; 1197 if (--argc < 1) 1198 goto bad; 1199 verify_depth = atoi(*(++argv)); 1200 if (!s_quiet) 1201 BIO_printf(bio_err, 1202 "verify depth is %d, must return a certificate\n", 1203 verify_depth); 1204 } else if (strcmp(*argv, "-context") == 0) { 1205 if (--argc < 1) 1206 goto bad; 1207 context = (unsigned char *)*(++argv); 1208 } else if (strcmp(*argv, "-cert") == 0) { 1209 if (--argc < 1) 1210 goto bad; 1211 s_cert_file = *(++argv); 1212 } else if (strcmp(*argv, "-CRL") == 0) { 1213 if (--argc < 1) 1214 goto bad; 1215 crl_file = *(++argv); 1216 } else if (strcmp(*argv, "-crl_download") == 0) 1217 crl_download = 1; 1218#ifndef OPENSSL_NO_TLSEXT 1219 else if (strcmp(*argv, "-serverinfo") == 0) { 1220 if (--argc < 1) 1221 goto bad; 1222 s_serverinfo_file = *(++argv); 1223 } 1224#endif 1225 else if (strcmp(*argv, "-certform") == 0) { 1226 if (--argc < 1) 1227 goto bad; 1228 s_cert_format = str2fmt(*(++argv)); 1229 } else if (strcmp(*argv, "-key") == 0) { 1230 if (--argc < 1) 1231 goto bad; 1232 s_key_file = *(++argv); 1233 } else if (strcmp(*argv, "-keyform") == 0) { 1234 if (--argc < 1) 1235 goto bad; 1236 s_key_format = str2fmt(*(++argv)); 1237 } else if (strcmp(*argv, "-pass") == 0) { 1238 if (--argc < 1) 1239 goto bad; 1240 passarg = *(++argv); 1241 } else if (strcmp(*argv, "-cert_chain") == 0) { 1242 if (--argc < 1) 1243 goto bad; 1244 s_chain_file = *(++argv); 1245 } 1246#ifndef OPENSSL_NO_DH 1247 else if (strcmp(*argv, "-dhparam") == 0) { 1248 if (--argc < 1) 1249 goto bad; 1250 dhfile = *(++argv); 1251 } 1252#endif 1253 else if (strcmp(*argv, "-dcertform") == 0) { 1254 if (--argc < 1) 1255 goto bad; 1256 s_dcert_format = str2fmt(*(++argv)); 1257 } else if (strcmp(*argv, "-dcert") == 0) { 1258 if (--argc < 1) 1259 goto bad; 1260 s_dcert_file = *(++argv); 1261 } else if (strcmp(*argv, "-dkeyform") == 0) { 1262 if (--argc < 1) 1263 goto bad; 1264 s_dkey_format = str2fmt(*(++argv)); 1265 } else if (strcmp(*argv, "-dpass") == 0) { 1266 if (--argc < 1) 1267 goto bad; 1268 dpassarg = *(++argv); 1269 } else if (strcmp(*argv, "-dkey") == 0) { 1270 if (--argc < 1) 1271 goto bad; 1272 s_dkey_file = *(++argv); 1273 } else if (strcmp(*argv, "-dcert_chain") == 0) { 1274 if (--argc < 1) 1275 goto bad; 1276 s_dchain_file = *(++argv); 1277 } else if (strcmp(*argv, "-nocert") == 0) { 1278 nocert = 1; 1279 } else if (strcmp(*argv, "-CApath") == 0) { 1280 if (--argc < 1) 1281 goto bad; 1282 CApath = *(++argv); 1283 } else if (strcmp(*argv, "-chainCApath") == 0) { 1284 if (--argc < 1) 1285 goto bad; 1286 chCApath = *(++argv); 1287 } else if (strcmp(*argv, "-verifyCApath") == 0) { 1288 if (--argc < 1) 1289 goto bad; 1290 vfyCApath = *(++argv); 1291 } else if (strcmp(*argv, "-no_cache") == 0) 1292 no_cache = 1; 1293 else if (strcmp(*argv, "-ext_cache") == 0) 1294 ext_cache = 1; 1295 else if (strcmp(*argv, "-CRLform") == 0) { 1296 if (--argc < 1) 1297 goto bad; 1298 crl_format = str2fmt(*(++argv)); 1299 } else if (args_verify(&argv, &argc, &badarg, bio_err, &vpm)) { 1300 if (badarg) 1301 goto bad; 1302 continue; 1303 } else if (args_excert(&argv, &argc, &badarg, bio_err, &exc)) { 1304 if (badarg) 1305 goto bad; 1306 continue; 1307 } else if (args_ssl(&argv, &argc, cctx, &badarg, bio_err, &ssl_args, 1308 &no_prot_opt)) { 1309 if (badarg) 1310 goto bad; 1311 continue; 1312 } else if (strcmp(*argv, "-verify_return_error") == 0) 1313 verify_return_error = 1; 1314 else if (strcmp(*argv, "-verify_quiet") == 0) 1315 verify_quiet = 1; 1316 else if (strcmp(*argv, "-build_chain") == 0) 1317 build_chain = 1; 1318 else if (strcmp(*argv, "-CAfile") == 0) { 1319 if (--argc < 1) 1320 goto bad; 1321 CAfile = *(++argv); 1322 } else if (strcmp(*argv, "-chainCAfile") == 0) { 1323 if (--argc < 1) 1324 goto bad; 1325 chCAfile = *(++argv); 1326 } else if (strcmp(*argv, "-verifyCAfile") == 0) { 1327 if (--argc < 1) 1328 goto bad; 1329 vfyCAfile = *(++argv); 1330 } 1331#ifdef FIONBIO 1332 else if (strcmp(*argv, "-nbio") == 0) { 1333 s_nbio = 1; 1334 } 1335#endif 1336 else if (strcmp(*argv, "-nbio_test") == 0) { 1337#ifdef FIONBIO 1338 s_nbio = 1; 1339#endif 1340 s_nbio_test = 1; 1341 } else if (strcmp(*argv, "-ign_eof") == 0) 1342 s_ign_eof = 1; 1343 else if (strcmp(*argv, "-no_ign_eof") == 0) 1344 s_ign_eof = 0; 1345 else if (strcmp(*argv, "-debug") == 0) { 1346 s_debug = 1; 1347 } 1348#ifndef OPENSSL_NO_TLSEXT 1349 else if (strcmp(*argv, "-tlsextdebug") == 0) 1350 s_tlsextdebug = 1; 1351 else if (strcmp(*argv, "-status") == 0) 1352 s_tlsextstatus = 1; 1353 else if (strcmp(*argv, "-status_verbose") == 0) { 1354 s_tlsextstatus = 1; 1355 tlscstatp.verbose = 1; 1356 } else if (!strcmp(*argv, "-status_timeout")) { 1357 s_tlsextstatus = 1; 1358 if (--argc < 1) 1359 goto bad; 1360 tlscstatp.timeout = atoi(*(++argv)); 1361 } else if (!strcmp(*argv, "-status_url")) { 1362 s_tlsextstatus = 1; 1363 if (--argc < 1) 1364 goto bad; 1365 if (!OCSP_parse_url(*(++argv), 1366 &tlscstatp.host, 1367 &tlscstatp.port, 1368 &tlscstatp.path, &tlscstatp.use_ssl)) { 1369 BIO_printf(bio_err, "Error parsing URL\n"); 1370 goto bad; 1371 } 1372 } 1373#endif 1374 else if (strcmp(*argv, "-msg") == 0) { 1375 s_msg = 1; 1376 } else if (strcmp(*argv, "-msgfile") == 0) { 1377 if (--argc < 1) 1378 goto bad; 1379 bio_s_msg = BIO_new_file(*(++argv), "w"); 1380 } 1381#ifndef OPENSSL_NO_SSL_TRACE 1382 else if (strcmp(*argv, "-trace") == 0) { 1383 s_msg = 2; 1384 } 1385#endif 1386 else if (strcmp(*argv, "-hack") == 0) { 1387 hack = 1; 1388 } else if (strcmp(*argv, "-state") == 0) { 1389 state = 1; 1390 } else if (strcmp(*argv, "-crlf") == 0) { 1391 s_crlf = 1; 1392 } else if (strcmp(*argv, "-quiet") == 0) { 1393 s_quiet = 1; 1394 } else if (strcmp(*argv, "-brief") == 0) { 1395 s_quiet = 1; 1396 s_brief = 1; 1397 verify_quiet = 1; 1398 } else if (strcmp(*argv, "-no_tmp_rsa") == 0) { 1399 no_tmp_rsa = 1; 1400 } 1401#ifndef OPENSSL_NO_DH 1402 else if (strcmp(*argv, "-no_dhe") == 0) { 1403 no_dhe = 1; 1404 } 1405#endif 1406 else if (strcmp(*argv, "-no_ecdhe") == 0) { 1407 no_ecdhe = 1; 1408 } else if (strcmp(*argv, "-no_resume_ephemeral") == 0) { 1409 no_resume_ephemeral = 1; 1410 } 1411#ifndef OPENSSL_NO_PSK 1412 else if (strcmp(*argv, "-psk_hint") == 0) { 1413 if (--argc < 1) 1414 goto bad; 1415 psk_identity_hint = *(++argv); 1416 } else if (strcmp(*argv, "-psk") == 0) { 1417 size_t i; 1418 1419 if (--argc < 1) 1420 goto bad; 1421 psk_key = *(++argv); 1422 for (i = 0; i < strlen(psk_key); i++) { 1423 if (isxdigit((unsigned char)psk_key[i])) 1424 continue; 1425 BIO_printf(bio_err, "Not a hex number '%s'\n", *argv); 1426 goto bad; 1427 } 1428 } 1429#endif 1430#ifndef OPENSSL_NO_SRP 1431 else if (strcmp(*argv, "-srpvfile") == 0) { 1432 if (--argc < 1) 1433 goto bad; 1434 srp_verifier_file = *(++argv); 1435 meth = TLSv1_server_method(); 1436 } else if (strcmp(*argv, "-srpuserseed") == 0) { 1437 if (--argc < 1) 1438 goto bad; 1439 srpuserseed = *(++argv); 1440 meth = TLSv1_server_method(); 1441 } 1442#endif 1443 else if (strcmp(*argv, "-rev") == 0) { 1444 rev = 1; 1445 } else if (strcmp(*argv, "-www") == 0) { 1446 www = 1; 1447 } else if (strcmp(*argv, "-WWW") == 0) { 1448 www = 2; 1449 } else if (strcmp(*argv, "-HTTP") == 0) { 1450 www = 3; 1451 } 1452#ifndef OPENSSL_NO_SSL2 1453 else if (strcmp(*argv, "-ssl2") == 0) { 1454 no_ecdhe = 1; 1455 meth = SSLv2_server_method(); 1456 prot_opt++; 1457 } 1458#endif 1459#ifndef OPENSSL_NO_SSL3_METHOD 1460 else if (strcmp(*argv, "-ssl3") == 0) { 1461 meth = SSLv3_server_method(); 1462 prot_opt++; 1463 } 1464#endif 1465#ifndef OPENSSL_NO_TLS1 1466 else if (strcmp(*argv, "-tls1") == 0) { 1467 meth = TLSv1_server_method(); 1468 prot_opt++; 1469 } else if (strcmp(*argv, "-tls1_1") == 0) { 1470 meth = TLSv1_1_server_method(); 1471 prot_opt++; 1472 } else if (strcmp(*argv, "-tls1_2") == 0) { 1473 meth = TLSv1_2_server_method(); 1474 prot_opt++; 1475 } 1476#endif 1477#ifndef OPENSSL_NO_DTLS1 1478 else if (strcmp(*argv, "-dtls") == 0) { 1479 meth = DTLS_server_method(); 1480 socket_type = SOCK_DGRAM; 1481 prot_opt++; 1482 } else if (strcmp(*argv, "-dtls1") == 0) { 1483 meth = DTLSv1_server_method(); 1484 socket_type = SOCK_DGRAM; 1485 prot_opt++; 1486 } else if (strcmp(*argv, "-dtls1_2") == 0) { 1487 meth = DTLSv1_2_server_method(); 1488 socket_type = SOCK_DGRAM; 1489 prot_opt++; 1490 } else if (strcmp(*argv, "-timeout") == 0) 1491 enable_timeouts = 1; 1492 else if (strcmp(*argv, "-mtu") == 0) { 1493 if (--argc < 1) 1494 goto bad; 1495 socket_mtu = atol(*(++argv)); 1496 } else if (strcmp(*argv, "-chain") == 0) 1497 cert_chain = 1; 1498#endif 1499 else if (strcmp(*argv, "-id_prefix") == 0) { 1500 if (--argc < 1) 1501 goto bad; 1502 session_id_prefix = *(++argv); 1503 } 1504#ifndef OPENSSL_NO_ENGINE 1505 else if (strcmp(*argv, "-engine") == 0) { 1506 if (--argc < 1) 1507 goto bad; 1508 engine_id = *(++argv); 1509 } 1510#endif 1511 else if (strcmp(*argv, "-rand") == 0) { 1512 if (--argc < 1) 1513 goto bad; 1514 inrand = *(++argv); 1515 } 1516#ifndef OPENSSL_NO_TLSEXT 1517 else if (strcmp(*argv, "-servername") == 0) { 1518 if (--argc < 1) 1519 goto bad; 1520 tlsextcbp.servername = *(++argv); 1521 } else if (strcmp(*argv, "-servername_fatal") == 0) { 1522 tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; 1523 } else if (strcmp(*argv, "-cert2") == 0) { 1524 if (--argc < 1) 1525 goto bad; 1526 s_cert_file2 = *(++argv); 1527 } else if (strcmp(*argv, "-key2") == 0) { 1528 if (--argc < 1) 1529 goto bad; 1530 s_key_file2 = *(++argv); 1531 } 1532# ifndef OPENSSL_NO_NEXTPROTONEG 1533 else if (strcmp(*argv, "-nextprotoneg") == 0) { 1534 if (--argc < 1) 1535 goto bad; 1536 next_proto_neg_in = *(++argv); 1537 } 1538# endif 1539 else if (strcmp(*argv, "-alpn") == 0) { 1540 if (--argc < 1) 1541 goto bad; 1542 alpn_in = *(++argv); 1543 } 1544#endif 1545#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1546 else if (strcmp(*argv, "-jpake") == 0) { 1547 if (--argc < 1) 1548 goto bad; 1549 jpake_secret = *(++argv); 1550 } 1551#endif 1552#ifndef OPENSSL_NO_SRTP 1553 else if (strcmp(*argv, "-use_srtp") == 0) { 1554 if (--argc < 1) 1555 goto bad; 1556 srtp_profiles = *(++argv); 1557 } 1558#endif 1559 else if (strcmp(*argv, "-keymatexport") == 0) { 1560 if (--argc < 1) 1561 goto bad; 1562 keymatexportlabel = *(++argv); 1563 } else if (strcmp(*argv, "-keymatexportlen") == 0) { 1564 if (--argc < 1) 1565 goto bad; 1566 keymatexportlen = atoi(*(++argv)); 1567 if (keymatexportlen == 0) 1568 goto bad; 1569 } else { 1570 BIO_printf(bio_err, "unknown option %s\n", *argv); 1571 badop = 1; 1572 break; 1573 } 1574 argc--; 1575 argv++; 1576 } 1577 if (badop) { 1578 bad: 1579 sv_usage(); 1580 goto end; 1581 } 1582#ifndef OPENSSL_NO_DTLS1 1583 if (www && socket_type == SOCK_DGRAM) { 1584 BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); 1585 goto end; 1586 } 1587#endif 1588 1589#if !defined(OPENSSL_NO_JPAKE) && !defined(OPENSSL_NO_PSK) 1590 if (jpake_secret) { 1591 if (psk_key) { 1592 BIO_printf(bio_err, "Can't use JPAKE and PSK together\n"); 1593 goto end; 1594 } 1595 psk_identity = "JPAKE"; 1596 } 1597#endif 1598 1599 if (prot_opt > 1) { 1600 BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); 1601 goto end; 1602 } 1603 1604 if (prot_opt == 1 && no_prot_opt) { 1605 BIO_printf(bio_err, "Cannot supply both a protocol flag and " 1606 "\"-no_<prot>\"\n"); 1607 goto end; 1608 } 1609 1610 SSL_load_error_strings(); 1611 OpenSSL_add_ssl_algorithms(); 1612 1613 e = setup_engine(bio_err, engine_id, 1); 1614 1615 if (!app_passwd(bio_err, passarg, dpassarg, &pass, &dpass)) { 1616 BIO_printf(bio_err, "Error getting password\n"); 1617 goto end; 1618 } 1619 1620 if (s_key_file == NULL) 1621 s_key_file = s_cert_file; 1622#ifndef OPENSSL_NO_TLSEXT 1623 if (s_key_file2 == NULL) 1624 s_key_file2 = s_cert_file2; 1625#endif 1626 1627 if (!load_excert(&exc, bio_err)) 1628 goto end; 1629 1630 if (nocert == 0) { 1631 s_key = load_key(bio_err, s_key_file, s_key_format, 0, pass, e, 1632 "server certificate private key file"); 1633 if (!s_key) { 1634 ERR_print_errors(bio_err); 1635 goto end; 1636 } 1637 1638 s_cert = load_cert(bio_err, s_cert_file, s_cert_format, 1639 NULL, e, "server certificate file"); 1640 1641 if (!s_cert) { 1642 ERR_print_errors(bio_err); 1643 goto end; 1644 } 1645 if (s_chain_file) { 1646 s_chain = load_certs(bio_err, s_chain_file, FORMAT_PEM, 1647 NULL, e, "server certificate chain"); 1648 if (!s_chain) 1649 goto end; 1650 } 1651#ifndef OPENSSL_NO_TLSEXT 1652 if (tlsextcbp.servername) { 1653 s_key2 = load_key(bio_err, s_key_file2, s_key_format, 0, pass, e, 1654 "second server certificate private key file"); 1655 if (!s_key2) { 1656 ERR_print_errors(bio_err); 1657 goto end; 1658 } 1659 1660 s_cert2 = load_cert(bio_err, s_cert_file2, s_cert_format, 1661 NULL, e, "second server certificate file"); 1662 1663 if (!s_cert2) { 1664 ERR_print_errors(bio_err); 1665 goto end; 1666 } 1667 } 1668#endif /* OPENSSL_NO_TLSEXT */ 1669 } 1670#if !defined(OPENSSL_NO_TLSEXT) 1671# if !defined(OPENSSL_NO_NEXTPROTONEG) 1672 if (next_proto_neg_in) { 1673 unsigned short len; 1674 next_proto.data = next_protos_parse(&len, next_proto_neg_in); 1675 if (next_proto.data == NULL) 1676 goto end; 1677 next_proto.len = len; 1678 } else { 1679 next_proto.data = NULL; 1680 } 1681# endif 1682 alpn_ctx.data = NULL; 1683 if (alpn_in) { 1684 unsigned short len; 1685 alpn_ctx.data = next_protos_parse(&len, alpn_in); 1686 if (alpn_ctx.data == NULL) 1687 goto end; 1688 alpn_ctx.len = len; 1689 } 1690#endif 1691 1692 if (crl_file) { 1693 X509_CRL *crl; 1694 crl = load_crl(crl_file, crl_format); 1695 if (!crl) { 1696 BIO_puts(bio_err, "Error loading CRL\n"); 1697 ERR_print_errors(bio_err); 1698 goto end; 1699 } 1700 crls = sk_X509_CRL_new_null(); 1701 if (!crls || !sk_X509_CRL_push(crls, crl)) { 1702 BIO_puts(bio_err, "Error adding CRL\n"); 1703 ERR_print_errors(bio_err); 1704 X509_CRL_free(crl); 1705 goto end; 1706 } 1707 } 1708 1709 if (s_dcert_file) { 1710 1711 if (s_dkey_file == NULL) 1712 s_dkey_file = s_dcert_file; 1713 1714 s_dkey = load_key(bio_err, s_dkey_file, s_dkey_format, 1715 0, dpass, e, "second certificate private key file"); 1716 if (!s_dkey) { 1717 ERR_print_errors(bio_err); 1718 goto end; 1719 } 1720 1721 s_dcert = load_cert(bio_err, s_dcert_file, s_dcert_format, 1722 NULL, e, "second server certificate file"); 1723 1724 if (!s_dcert) { 1725 ERR_print_errors(bio_err); 1726 goto end; 1727 } 1728 if (s_dchain_file) { 1729 s_dchain = load_certs(bio_err, s_dchain_file, FORMAT_PEM, 1730 NULL, e, "second server certificate chain"); 1731 if (!s_dchain) 1732 goto end; 1733 } 1734 1735 } 1736 1737 if (!app_RAND_load_file(NULL, bio_err, 1) && inrand == NULL 1738 && !RAND_status()) { 1739 BIO_printf(bio_err, 1740 "warning, not much extra random data, consider using the -rand option\n"); 1741 } 1742 if (inrand != NULL) 1743 BIO_printf(bio_err, "%ld semi-random bytes loaded\n", 1744 app_RAND_load_files(inrand)); 1745 1746 if (bio_s_out == NULL) { 1747 if (s_quiet && !s_debug) { 1748 bio_s_out = BIO_new(BIO_s_null()); 1749 if (s_msg && !bio_s_msg) 1750 bio_s_msg = BIO_new_fp(stdout, BIO_NOCLOSE); 1751 } else { 1752 if (bio_s_out == NULL) 1753 bio_s_out = BIO_new_fp(stdout, BIO_NOCLOSE); 1754 } 1755 } 1756#if !defined(OPENSSL_NO_RSA) || !defined(OPENSSL_NO_DSA) || !defined(OPENSSL_NO_ECDSA) 1757 if (nocert) 1758#endif 1759 { 1760 s_cert_file = NULL; 1761 s_key_file = NULL; 1762 s_dcert_file = NULL; 1763 s_dkey_file = NULL; 1764#ifndef OPENSSL_NO_TLSEXT 1765 s_cert_file2 = NULL; 1766 s_key_file2 = NULL; 1767#endif 1768 } 1769 1770 ctx = SSL_CTX_new(meth); 1771 if (ctx == NULL) { 1772 ERR_print_errors(bio_err); 1773 goto end; 1774 } 1775 if (session_id_prefix) { 1776 if (strlen(session_id_prefix) >= 32) 1777 BIO_printf(bio_err, 1778 "warning: id_prefix is too long, only one new session will be possible\n"); 1779 else if (strlen(session_id_prefix) >= 16) 1780 BIO_printf(bio_err, 1781 "warning: id_prefix is too long if you use SSLv2\n"); 1782 if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { 1783 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1784 ERR_print_errors(bio_err); 1785 goto end; 1786 } 1787 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1788 } 1789 SSL_CTX_set_quiet_shutdown(ctx, 1); 1790 if (hack) 1791 SSL_CTX_set_options(ctx, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1792 if (exc) 1793 ssl_ctx_set_excert(ctx, exc); 1794 1795 if (state) 1796 SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); 1797 if (no_cache) 1798 SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); 1799 else if (ext_cache) 1800 init_session_cache_ctx(ctx); 1801 else 1802 SSL_CTX_sess_set_cache_size(ctx, 128); 1803 1804#ifndef OPENSSL_NO_SRTP 1805 if (srtp_profiles != NULL) 1806 SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles); 1807#endif 1808 1809#if 0 1810 if (cipher == NULL) 1811 cipher = getenv("SSL_CIPHER"); 1812#endif 1813 1814#if 0 1815 if (s_cert_file == NULL) { 1816 BIO_printf(bio_err, 1817 "You must specify a certificate file for the server to use\n"); 1818 goto end; 1819 } 1820#endif 1821 1822 if ((!SSL_CTX_load_verify_locations(ctx, CAfile, CApath)) || 1823 (!SSL_CTX_set_default_verify_paths(ctx))) { 1824 /* BIO_printf(bio_err,"X509_load_verify_locations\n"); */ 1825 ERR_print_errors(bio_err); 1826 /* goto end; */ 1827 } 1828 if (vpm) 1829 SSL_CTX_set1_param(ctx, vpm); 1830 1831 ssl_ctx_add_crls(ctx, crls, 0); 1832 1833 if (!args_ssl_call(ctx, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1834 goto end; 1835 1836 if (!ssl_load_stores(ctx, vfyCApath, vfyCAfile, chCApath, chCAfile, 1837 crls, crl_download)) { 1838 BIO_printf(bio_err, "Error loading store locations\n"); 1839 ERR_print_errors(bio_err); 1840 goto end; 1841 } 1842#ifndef OPENSSL_NO_TLSEXT 1843 if (s_cert2) { 1844 ctx2 = SSL_CTX_new(meth); 1845 if (ctx2 == NULL) { 1846 ERR_print_errors(bio_err); 1847 goto end; 1848 } 1849 } 1850 1851 if (ctx2) { 1852 BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); 1853 1854 if (session_id_prefix) { 1855 if (strlen(session_id_prefix) >= 32) 1856 BIO_printf(bio_err, 1857 "warning: id_prefix is too long, only one new session will be possible\n"); 1858 else if (strlen(session_id_prefix) >= 16) 1859 BIO_printf(bio_err, 1860 "warning: id_prefix is too long if you use SSLv2\n"); 1861 if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { 1862 BIO_printf(bio_err, "error setting 'id_prefix'\n"); 1863 ERR_print_errors(bio_err); 1864 goto end; 1865 } 1866 BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); 1867 } 1868 SSL_CTX_set_quiet_shutdown(ctx2, 1); 1869 if (hack) 1870 SSL_CTX_set_options(ctx2, SSL_OP_NETSCAPE_DEMO_CIPHER_CHANGE_BUG); 1871 if (exc) 1872 ssl_ctx_set_excert(ctx2, exc); 1873 1874 if (state) 1875 SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); 1876 1877 if (no_cache) 1878 SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); 1879 else if (ext_cache) 1880 init_session_cache_ctx(ctx2); 1881 else 1882 SSL_CTX_sess_set_cache_size(ctx2, 128); 1883 1884 if ((!SSL_CTX_load_verify_locations(ctx2, CAfile, CApath)) || 1885 (!SSL_CTX_set_default_verify_paths(ctx2))) { 1886 ERR_print_errors(bio_err); 1887 } 1888 if (vpm) 1889 SSL_CTX_set1_param(ctx2, vpm); 1890 1891 ssl_ctx_add_crls(ctx2, crls, 0); 1892 1893 if (!args_ssl_call(ctx2, bio_err, cctx, ssl_args, no_ecdhe, no_jpake)) 1894 goto end; 1895 1896 } 1897# ifndef OPENSSL_NO_NEXTPROTONEG 1898 if (next_proto.data) 1899 SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, 1900 &next_proto); 1901# endif 1902 if (alpn_ctx.data) 1903 SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); 1904#endif 1905 1906#ifndef OPENSSL_NO_DH 1907 if (!no_dhe) { 1908 DH *dh = NULL; 1909 1910 if (dhfile) 1911 dh = load_dh_param(dhfile); 1912 else if (s_cert_file) 1913 dh = load_dh_param(s_cert_file); 1914 1915 if (dh != NULL) { 1916 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1917 } else { 1918 BIO_printf(bio_s_out, "Using default temp DH parameters\n"); 1919 dh = get_dh2048(); 1920 if (dh == NULL) { 1921 ERR_print_errors(bio_err); 1922 goto end; 1923 } 1924 } 1925 (void)BIO_flush(bio_s_out); 1926 1927 SSL_CTX_set_tmp_dh(ctx, dh); 1928# ifndef OPENSSL_NO_TLSEXT 1929 if (ctx2) { 1930 if (!dhfile) { 1931 DH *dh2 = load_dh_param(s_cert_file2); 1932 if (dh2 != NULL) { 1933 BIO_printf(bio_s_out, "Setting temp DH parameters\n"); 1934 (void)BIO_flush(bio_s_out); 1935 1936 DH_free(dh); 1937 dh = dh2; 1938 } 1939 } 1940 SSL_CTX_set_tmp_dh(ctx2, dh); 1941 } 1942# endif 1943 DH_free(dh); 1944 } 1945#endif 1946 1947 if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) 1948 goto end; 1949#ifndef OPENSSL_NO_TLSEXT 1950 if (s_serverinfo_file != NULL 1951 && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { 1952 ERR_print_errors(bio_err); 1953 goto end; 1954 } 1955#endif 1956#ifndef OPENSSL_NO_TLSEXT 1957 if (ctx2 && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) 1958 goto end; 1959#endif 1960 if (s_dcert != NULL) { 1961 if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) 1962 goto end; 1963 } 1964#ifndef OPENSSL_NO_RSA 1965# if 1 1966 if (!no_tmp_rsa) { 1967 SSL_CTX_set_tmp_rsa_callback(ctx, tmp_rsa_cb); 1968# ifndef OPENSSL_NO_TLSEXT 1969 if (ctx2) 1970 SSL_CTX_set_tmp_rsa_callback(ctx2, tmp_rsa_cb); 1971# endif 1972 } 1973# else 1974 if (!no_tmp_rsa && SSL_CTX_need_tmp_RSA(ctx)) { 1975 RSA *rsa; 1976 1977 BIO_printf(bio_s_out, "Generating temp (512 bit) RSA key..."); 1978 BIO_flush(bio_s_out); 1979 1980 rsa = RSA_generate_key(512, RSA_F4, NULL); 1981 1982 if (!SSL_CTX_set_tmp_rsa(ctx, rsa)) { 1983 ERR_print_errors(bio_err); 1984 goto end; 1985 } 1986# ifndef OPENSSL_NO_TLSEXT 1987 if (ctx2) { 1988 if (!SSL_CTX_set_tmp_rsa(ctx2, rsa)) { 1989 ERR_print_errors(bio_err); 1990 goto end; 1991 } 1992 } 1993# endif 1994 RSA_free(rsa); 1995 BIO_printf(bio_s_out, "\n"); 1996 } 1997# endif 1998#endif 1999 2000#ifndef OPENSSL_NO_PSK 2001# ifdef OPENSSL_NO_JPAKE 2002 if (psk_key != NULL) 2003# else 2004 if (psk_key != NULL || jpake_secret) 2005# endif 2006 { 2007 if (s_debug) 2008 BIO_printf(bio_s_out, 2009 "PSK key given or JPAKE in use, setting server callback\n"); 2010 SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); 2011 } 2012 2013 if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { 2014 BIO_printf(bio_err, "error setting PSK identity hint to context\n"); 2015 ERR_print_errors(bio_err); 2016 goto end; 2017 } 2018#endif 2019 2020 SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); 2021 SSL_CTX_set_session_id_context(ctx, (void *)&s_server_session_id_context, 2022 sizeof(s_server_session_id_context)); 2023 2024 /* Set DTLS cookie generation and verification callbacks */ 2025 SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); 2026 SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); 2027 2028#ifndef OPENSSL_NO_TLSEXT 2029 if (ctx2) { 2030 SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); 2031 SSL_CTX_set_session_id_context(ctx2, 2032 (void *)&s_server_session_id_context, 2033 sizeof(s_server_session_id_context)); 2034 2035 tlsextcbp.biodebug = bio_s_out; 2036 SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); 2037 SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); 2038 SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); 2039 SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); 2040 } 2041#endif 2042 2043#ifndef OPENSSL_NO_SRP 2044 if (srp_verifier_file != NULL) { 2045 srp_callback_parm.vb = SRP_VBASE_new(srpuserseed); 2046 srp_callback_parm.user = NULL; 2047 srp_callback_parm.login = NULL; 2048 if ((ret = 2049 SRP_VBASE_init(srp_callback_parm.vb, 2050 srp_verifier_file)) != SRP_NO_ERROR) { 2051 BIO_printf(bio_err, 2052 "Cannot initialize SRP verifier file \"%s\":ret=%d\n", 2053 srp_verifier_file, ret); 2054 goto end; 2055 } 2056 SSL_CTX_set_verify(ctx, SSL_VERIFY_NONE, verify_callback); 2057 SSL_CTX_set_srp_cb_arg(ctx, &srp_callback_parm); 2058 SSL_CTX_set_srp_username_callback(ctx, ssl_srp_server_param_cb); 2059 } else 2060#endif 2061 if (CAfile != NULL) { 2062 SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); 2063#ifndef OPENSSL_NO_TLSEXT 2064 if (ctx2) 2065 SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); 2066#endif 2067 } 2068 2069 BIO_printf(bio_s_out, "ACCEPT\n"); 2070 (void)BIO_flush(bio_s_out); 2071 if (rev) 2072 do_server(port, socket_type, &accept_socket, rev_body, context, 2073 naccept); 2074 else if (www) 2075 do_server(port, socket_type, &accept_socket, www_body, context, 2076 naccept); 2077 else 2078 do_server(port, socket_type, &accept_socket, sv_body, context, 2079 naccept); 2080 print_stats(bio_s_out, ctx); 2081 ret = 0; 2082 end: 2083 if (ctx != NULL) 2084 SSL_CTX_free(ctx); 2085 if (s_cert) 2086 X509_free(s_cert); 2087 if (crls) 2088 sk_X509_CRL_pop_free(crls, X509_CRL_free); 2089 if (s_dcert) 2090 X509_free(s_dcert); 2091 if (s_key) 2092 EVP_PKEY_free(s_key); 2093 if (s_dkey) 2094 EVP_PKEY_free(s_dkey); 2095 if (s_chain) 2096 sk_X509_pop_free(s_chain, X509_free); 2097 if (s_dchain) 2098 sk_X509_pop_free(s_dchain, X509_free); 2099 if (pass) 2100 OPENSSL_free(pass); 2101 if (dpass) 2102 OPENSSL_free(dpass); 2103 if (vpm) 2104 X509_VERIFY_PARAM_free(vpm); 2105 free_sessions(); 2106#ifndef OPENSSL_NO_TLSEXT 2107 if (tlscstatp.host) 2108 OPENSSL_free(tlscstatp.host); 2109 if (tlscstatp.port) 2110 OPENSSL_free(tlscstatp.port); 2111 if (tlscstatp.path) 2112 OPENSSL_free(tlscstatp.path); 2113 if (ctx2 != NULL) 2114 SSL_CTX_free(ctx2); 2115 if (s_cert2) 2116 X509_free(s_cert2); 2117 if (s_key2) 2118 EVP_PKEY_free(s_key2); 2119 if (serverinfo_in != NULL) 2120 BIO_free(serverinfo_in); 2121# ifndef OPENSSL_NO_NEXTPROTONEG 2122 if (next_proto.data) 2123 OPENSSL_free(next_proto.data); 2124# endif 2125 if (alpn_ctx.data) 2126 OPENSSL_free(alpn_ctx.data); 2127#endif 2128 ssl_excert_free(exc); 2129 if (ssl_args) 2130 sk_OPENSSL_STRING_free(ssl_args); 2131 if (cctx) 2132 SSL_CONF_CTX_free(cctx); 2133#ifndef OPENSSL_NO_JPAKE 2134 if (jpake_secret && psk_key) 2135 OPENSSL_free(psk_key); 2136#endif 2137 release_engine(e); 2138 if (bio_s_out != NULL) { 2139 BIO_free(bio_s_out); 2140 bio_s_out = NULL; 2141 } 2142 if (bio_s_msg != NULL) { 2143 BIO_free(bio_s_msg); 2144 bio_s_msg = NULL; 2145 } 2146 SSL_COMP_free_compression_methods(); 2147 apps_shutdown(); 2148 OPENSSL_EXIT(ret); 2149} 2150 2151static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) 2152{ 2153 BIO_printf(bio, "%4ld items in the session cache\n", 2154 SSL_CTX_sess_number(ssl_ctx)); 2155 BIO_printf(bio, "%4ld client connects (SSL_connect())\n", 2156 SSL_CTX_sess_connect(ssl_ctx)); 2157 BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", 2158 SSL_CTX_sess_connect_renegotiate(ssl_ctx)); 2159 BIO_printf(bio, "%4ld client connects that finished\n", 2160 SSL_CTX_sess_connect_good(ssl_ctx)); 2161 BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", 2162 SSL_CTX_sess_accept(ssl_ctx)); 2163 BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", 2164 SSL_CTX_sess_accept_renegotiate(ssl_ctx)); 2165 BIO_printf(bio, "%4ld server accepts that finished\n", 2166 SSL_CTX_sess_accept_good(ssl_ctx)); 2167 BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); 2168 BIO_printf(bio, "%4ld session cache misses\n", 2169 SSL_CTX_sess_misses(ssl_ctx)); 2170 BIO_printf(bio, "%4ld session cache timeouts\n", 2171 SSL_CTX_sess_timeouts(ssl_ctx)); 2172 BIO_printf(bio, "%4ld callback cache hits\n", 2173 SSL_CTX_sess_cb_hits(ssl_ctx)); 2174 BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", 2175 SSL_CTX_sess_cache_full(ssl_ctx), 2176 SSL_CTX_sess_get_cache_size(ssl_ctx)); 2177} 2178 2179static int sv_body(int s, int stype, unsigned char *context) 2180{ 2181 char *buf = NULL; 2182 fd_set readfds; 2183 int ret = 1, width; 2184 int k, i; 2185 unsigned long l; 2186 SSL *con = NULL; 2187 BIO *sbio; 2188#ifndef OPENSSL_NO_KRB5 2189 KSSL_CTX *kctx; 2190#endif 2191 struct timeval timeout; 2192#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) || defined(OPENSSL_SYS_BEOS_R5) 2193 struct timeval tv; 2194#else 2195 struct timeval *timeoutp; 2196#endif 2197 2198 if ((buf = OPENSSL_malloc(bufsize)) == NULL) { 2199 BIO_printf(bio_err, "out of memory\n"); 2200 goto err; 2201 } 2202#ifdef FIONBIO 2203 if (s_nbio) { 2204 unsigned long sl = 1; 2205 2206 if (!s_quiet) 2207 BIO_printf(bio_err, "turning on non blocking io\n"); 2208 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2209 ERR_print_errors(bio_err); 2210 } 2211#endif 2212 2213 if (con == NULL) { 2214 con = SSL_new(ctx); 2215#ifndef OPENSSL_NO_TLSEXT 2216 if (s_tlsextdebug) { 2217 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2218 SSL_set_tlsext_debug_arg(con, bio_s_out); 2219 } 2220 if (s_tlsextstatus) { 2221 SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); 2222 tlscstatp.err = bio_err; 2223 SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); 2224 } 2225#endif 2226#ifndef OPENSSL_NO_KRB5 2227 if ((kctx = kssl_ctx_new()) != NULL) { 2228 SSL_set0_kssl_ctx(con, kctx); 2229 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2230 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2231 } 2232#endif /* OPENSSL_NO_KRB5 */ 2233 if (context) 2234 SSL_set_session_id_context(con, context, strlen((char *)context)); 2235 } 2236 SSL_clear(con); 2237#if 0 2238# ifdef TLSEXT_TYPE_opaque_prf_input 2239 SSL_set_tlsext_opaque_prf_input(con, "Test server", 11); 2240# endif 2241#endif 2242 2243 if (stype == SOCK_DGRAM) { 2244 2245 sbio = BIO_new_dgram(s, BIO_NOCLOSE); 2246 2247 if (enable_timeouts) { 2248 timeout.tv_sec = 0; 2249 timeout.tv_usec = DGRAM_RCV_TIMEOUT; 2250 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); 2251 2252 timeout.tv_sec = 0; 2253 timeout.tv_usec = DGRAM_SND_TIMEOUT; 2254 BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); 2255 } 2256 2257 if (socket_mtu) { 2258 if (socket_mtu < DTLS_get_link_min_mtu(con)) { 2259 BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", 2260 DTLS_get_link_min_mtu(con)); 2261 ret = -1; 2262 BIO_free(sbio); 2263 goto err; 2264 } 2265 SSL_set_options(con, SSL_OP_NO_QUERY_MTU); 2266 if (!DTLS_set_link_mtu(con, socket_mtu)) { 2267 BIO_printf(bio_err, "Failed to set MTU\n"); 2268 ret = -1; 2269 BIO_free(sbio); 2270 goto err; 2271 } 2272 } else 2273 /* want to do MTU discovery */ 2274 BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); 2275 2276 /* turn on cookie exchange */ 2277 SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); 2278 } else 2279 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2280 2281 if (s_nbio_test) { 2282 BIO *test; 2283 2284 test = BIO_new(BIO_f_nbio_test()); 2285 sbio = BIO_push(test, sbio); 2286 } 2287#ifndef OPENSSL_NO_JPAKE 2288 if (jpake_secret) 2289 jpake_server_auth(bio_s_out, sbio, jpake_secret); 2290#endif 2291 2292 SSL_set_bio(con, sbio, sbio); 2293 SSL_set_accept_state(con); 2294 /* SSL_set_fd(con,s); */ 2295 2296 if (s_debug) { 2297 SSL_set_debug(con, 1); 2298 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2299 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2300 } 2301 if (s_msg) { 2302#ifndef OPENSSL_NO_SSL_TRACE 2303 if (s_msg == 2) 2304 SSL_set_msg_callback(con, SSL_trace); 2305 else 2306#endif 2307 SSL_set_msg_callback(con, msg_cb); 2308 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2309 } 2310#ifndef OPENSSL_NO_TLSEXT 2311 if (s_tlsextdebug) { 2312 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2313 SSL_set_tlsext_debug_arg(con, bio_s_out); 2314 } 2315#endif 2316 2317 if (fileno_stdin() > s) 2318 width = fileno_stdin() + 1; 2319 else 2320 width = s + 1; 2321 for (;;) { 2322 int read_from_terminal; 2323 int read_from_sslcon; 2324 2325 read_from_terminal = 0; 2326 read_from_sslcon = SSL_pending(con); 2327 2328 if (!read_from_sslcon) { 2329 FD_ZERO(&readfds); 2330#if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) && !defined(OPENSSL_SYS_NETWARE) && !defined(OPENSSL_SYS_BEOS_R5) 2331 openssl_fdset(fileno_stdin(), &readfds); 2332#endif 2333 openssl_fdset(s, &readfds); 2334 /* 2335 * Note: under VMS with SOCKETSHR the second parameter is 2336 * currently of type (int *) whereas under other systems it is 2337 * (void *) if you don't have a cast it will choke the compiler: 2338 * if you do have a cast then you can either go for (int *) or 2339 * (void *). 2340 */ 2341#if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) || defined(OPENSSL_SYS_NETWARE) 2342 /* 2343 * Under DOS (non-djgpp) and Windows we can't select on stdin: 2344 * only on sockets. As a workaround we timeout the select every 2345 * second and check for any keypress. In a proper Windows 2346 * application we wouldn't do this because it is inefficient. 2347 */ 2348 tv.tv_sec = 1; 2349 tv.tv_usec = 0; 2350 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2351 if ((i < 0) || (!i && !_kbhit())) 2352 continue; 2353 if (_kbhit()) 2354 read_from_terminal = 1; 2355#elif defined(OPENSSL_SYS_BEOS_R5) 2356 /* Under BeOS-R5 the situation is similar to DOS */ 2357 tv.tv_sec = 1; 2358 tv.tv_usec = 0; 2359 (void)fcntl(fileno_stdin(), F_SETFL, O_NONBLOCK); 2360 i = select(width, (void *)&readfds, NULL, NULL, &tv); 2361 if ((i < 0) || (!i && read(fileno_stdin(), buf, 0) < 0)) 2362 continue; 2363 if (read(fileno_stdin(), buf, 0) >= 0) 2364 read_from_terminal = 1; 2365 (void)fcntl(fileno_stdin(), F_SETFL, 0); 2366#else 2367 if ((SSL_version(con) == DTLS1_VERSION) && 2368 DTLSv1_get_timeout(con, &timeout)) 2369 timeoutp = &timeout; 2370 else 2371 timeoutp = NULL; 2372 2373 i = select(width, (void *)&readfds, NULL, NULL, timeoutp); 2374 2375 if ((SSL_version(con) == DTLS1_VERSION) 2376 && DTLSv1_handle_timeout(con) > 0) { 2377 BIO_printf(bio_err, "TIMEOUT occured\n"); 2378 } 2379 2380 if (i <= 0) 2381 continue; 2382 if (FD_ISSET(fileno_stdin(), &readfds)) 2383 read_from_terminal = 1; 2384#endif 2385 if (FD_ISSET(s, &readfds)) 2386 read_from_sslcon = 1; 2387 } 2388 if (read_from_terminal) { 2389 if (s_crlf) { 2390 int j, lf_num; 2391 2392 i = raw_read_stdin(buf, bufsize / 2); 2393 lf_num = 0; 2394 /* both loops are skipped when i <= 0 */ 2395 for (j = 0; j < i; j++) 2396 if (buf[j] == '\n') 2397 lf_num++; 2398 for (j = i - 1; j >= 0; j--) { 2399 buf[j + lf_num] = buf[j]; 2400 if (buf[j] == '\n') { 2401 lf_num--; 2402 i++; 2403 buf[j + lf_num] = '\r'; 2404 } 2405 } 2406 assert(lf_num == 0); 2407 } else 2408 i = raw_read_stdin(buf, bufsize); 2409 2410 if (!s_quiet && !s_brief) { 2411 if ((i <= 0) || (buf[0] == 'Q')) { 2412 BIO_printf(bio_s_out, "DONE\n"); 2413 SHUTDOWN(s); 2414 close_accept_socket(); 2415 ret = -11; 2416 goto err; 2417 } 2418 if ((i <= 0) || (buf[0] == 'q')) { 2419 BIO_printf(bio_s_out, "DONE\n"); 2420 if (SSL_version(con) != DTLS1_VERSION) 2421 SHUTDOWN(s); 2422 /* 2423 * close_accept_socket(); ret= -11; 2424 */ 2425 goto err; 2426 } 2427#ifndef OPENSSL_NO_HEARTBEATS 2428 if ((buf[0] == 'B') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2429 BIO_printf(bio_err, "HEARTBEATING\n"); 2430 SSL_heartbeat(con); 2431 i = 0; 2432 continue; 2433 } 2434#endif 2435 if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2436 SSL_renegotiate(con); 2437 i = SSL_do_handshake(con); 2438 printf("SSL_do_handshake -> %d\n", i); 2439 i = 0; /* 13; */ 2440 continue; 2441 /* 2442 * strcpy(buf,"server side RE-NEGOTIATE\n"); 2443 */ 2444 } 2445 if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { 2446 SSL_set_verify(con, 2447 SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, 2448 NULL); 2449 SSL_renegotiate(con); 2450 i = SSL_do_handshake(con); 2451 printf("SSL_do_handshake -> %d\n", i); 2452 i = 0; /* 13; */ 2453 continue; 2454 /* 2455 * strcpy(buf,"server side RE-NEGOTIATE asking for client 2456 * cert\n"); 2457 */ 2458 } 2459 if (buf[0] == 'P') { 2460 static const char *str = "Lets print some clear text\n"; 2461 BIO_write(SSL_get_wbio(con), str, strlen(str)); 2462 } 2463 if (buf[0] == 'S') { 2464 print_stats(bio_s_out, SSL_get_SSL_CTX(con)); 2465 } 2466 } 2467#ifdef CHARSET_EBCDIC 2468 ebcdic2ascii(buf, buf, i); 2469#endif 2470 l = k = 0; 2471 for (;;) { 2472 /* should do a select for the write */ 2473#ifdef RENEG 2474 { 2475 static count = 0; 2476 if (++count == 100) { 2477 count = 0; 2478 SSL_renegotiate(con); 2479 } 2480 } 2481#endif 2482 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2483#ifndef OPENSSL_NO_SRP 2484 while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { 2485 BIO_printf(bio_s_out, "LOOKUP renego during write\n"); 2486 SRP_user_pwd_free(srp_callback_parm.user); 2487 srp_callback_parm.user = 2488 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2489 srp_callback_parm.login); 2490 if (srp_callback_parm.user) 2491 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2492 srp_callback_parm.user->info); 2493 else 2494 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2495 k = SSL_write(con, &(buf[l]), (unsigned int)i); 2496 } 2497#endif 2498 switch (SSL_get_error(con, k)) { 2499 case SSL_ERROR_NONE: 2500 break; 2501 case SSL_ERROR_WANT_WRITE: 2502 case SSL_ERROR_WANT_READ: 2503 case SSL_ERROR_WANT_X509_LOOKUP: 2504 BIO_printf(bio_s_out, "Write BLOCK\n"); 2505 break; 2506 case SSL_ERROR_SYSCALL: 2507 case SSL_ERROR_SSL: 2508 BIO_printf(bio_s_out, "ERROR\n"); 2509 ERR_print_errors(bio_err); 2510 ret = 1; 2511 goto err; 2512 /* break; */ 2513 case SSL_ERROR_ZERO_RETURN: 2514 BIO_printf(bio_s_out, "DONE\n"); 2515 ret = 1; 2516 goto err; 2517 } 2518 if (k > 0) { 2519 l += k; 2520 i -= k; 2521 } 2522 if (i <= 0) 2523 break; 2524 } 2525 } 2526 if (read_from_sslcon) { 2527 if (!SSL_is_init_finished(con)) { 2528 i = init_ssl_connection(con); 2529 2530 if (i < 0) { 2531 ret = 0; 2532 goto err; 2533 } else if (i == 0) { 2534 ret = 1; 2535 goto err; 2536 } 2537 } else { 2538 again: 2539 i = SSL_read(con, (char *)buf, bufsize); 2540#ifndef OPENSSL_NO_SRP 2541 while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2542 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2543 SRP_user_pwd_free(srp_callback_parm.user); 2544 srp_callback_parm.user = 2545 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2546 srp_callback_parm.login); 2547 if (srp_callback_parm.user) 2548 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2549 srp_callback_parm.user->info); 2550 else 2551 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2552 i = SSL_read(con, (char *)buf, bufsize); 2553 } 2554#endif 2555 switch (SSL_get_error(con, i)) { 2556 case SSL_ERROR_NONE: 2557#ifdef CHARSET_EBCDIC 2558 ascii2ebcdic(buf, buf, i); 2559#endif 2560 raw_write_stdout(buf, (unsigned int)i); 2561 if (SSL_pending(con)) 2562 goto again; 2563 break; 2564 case SSL_ERROR_WANT_WRITE: 2565 case SSL_ERROR_WANT_READ: 2566 BIO_printf(bio_s_out, "Read BLOCK\n"); 2567 break; 2568 case SSL_ERROR_SYSCALL: 2569 case SSL_ERROR_SSL: 2570 BIO_printf(bio_s_out, "ERROR\n"); 2571 ERR_print_errors(bio_err); 2572 ret = 1; 2573 goto err; 2574 case SSL_ERROR_ZERO_RETURN: 2575 BIO_printf(bio_s_out, "DONE\n"); 2576 ret = 1; 2577 goto err; 2578 } 2579 } 2580 } 2581 } 2582 err: 2583 if (con != NULL) { 2584 BIO_printf(bio_s_out, "shutting down SSL\n"); 2585#if 1 2586 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 2587#else 2588 SSL_shutdown(con); 2589#endif 2590 SSL_free(con); 2591 } 2592 BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); 2593 if (buf != NULL) { 2594 OPENSSL_cleanse(buf, bufsize); 2595 OPENSSL_free(buf); 2596 } 2597 if (ret >= 0) 2598 BIO_printf(bio_s_out, "ACCEPT\n"); 2599 return (ret); 2600} 2601 2602static void close_accept_socket(void) 2603{ 2604 BIO_printf(bio_err, "shutdown accept socket\n"); 2605 if (accept_socket >= 0) { 2606 SHUTDOWN2(accept_socket); 2607 } 2608} 2609 2610static int init_ssl_connection(SSL *con) 2611{ 2612 int i; 2613 const char *str; 2614 X509 *peer; 2615 long verify_error; 2616 MS_STATIC char buf[BUFSIZ]; 2617#ifndef OPENSSL_NO_KRB5 2618 char *client_princ; 2619#endif 2620#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2621 const unsigned char *next_proto_neg; 2622 unsigned next_proto_neg_len; 2623#endif 2624 unsigned char *exportedkeymat; 2625 2626 i = SSL_accept(con); 2627#ifdef CERT_CB_TEST_RETRY 2628 { 2629 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP 2630 && SSL_state(con) == SSL3_ST_SR_CLNT_HELLO_C) { 2631 fprintf(stderr, 2632 "LOOKUP from certificate callback during accept\n"); 2633 i = SSL_accept(con); 2634 } 2635 } 2636#endif 2637#ifndef OPENSSL_NO_SRP 2638 while (i <= 0 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2639 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2640 srp_callback_parm.login); 2641 SRP_user_pwd_free(srp_callback_parm.user); 2642 srp_callback_parm.user = 2643 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2644 srp_callback_parm.login); 2645 if (srp_callback_parm.user) 2646 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2647 srp_callback_parm.user->info); 2648 else 2649 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2650 i = SSL_accept(con); 2651 } 2652#endif 2653 2654 if (i <= 0) { 2655 if (BIO_sock_should_retry(i)) { 2656 BIO_printf(bio_s_out, "DELAY\n"); 2657 return (1); 2658 } 2659 2660 BIO_printf(bio_err, "ERROR\n"); 2661 verify_error = SSL_get_verify_result(con); 2662 if (verify_error != X509_V_OK) { 2663 BIO_printf(bio_err, "verify error:%s\n", 2664 X509_verify_cert_error_string(verify_error)); 2665 } 2666 /* Always print any error messages */ 2667 ERR_print_errors(bio_err); 2668 return (0); 2669 } 2670 2671 if (s_brief) 2672 print_ssl_summary(bio_err, con); 2673 2674 PEM_write_bio_SSL_SESSION(bio_s_out, SSL_get_session(con)); 2675 2676 peer = SSL_get_peer_certificate(con); 2677 if (peer != NULL) { 2678 BIO_printf(bio_s_out, "Client certificate\n"); 2679 PEM_write_bio_X509(bio_s_out, peer); 2680 X509_NAME_oneline(X509_get_subject_name(peer), buf, sizeof(buf)); 2681 BIO_printf(bio_s_out, "subject=%s\n", buf); 2682 X509_NAME_oneline(X509_get_issuer_name(peer), buf, sizeof(buf)); 2683 BIO_printf(bio_s_out, "issuer=%s\n", buf); 2684 X509_free(peer); 2685 } 2686 2687 if (SSL_get_shared_ciphers(con, buf, sizeof(buf)) != NULL) 2688 BIO_printf(bio_s_out, "Shared ciphers:%s\n", buf); 2689 str = SSL_CIPHER_get_name(SSL_get_current_cipher(con)); 2690 ssl_print_sigalgs(bio_s_out, con); 2691#ifndef OPENSSL_NO_EC 2692 ssl_print_point_formats(bio_s_out, con); 2693 ssl_print_curves(bio_s_out, con, 0); 2694#endif 2695 BIO_printf(bio_s_out, "CIPHER is %s\n", (str != NULL) ? str : "(NONE)"); 2696 2697#if !defined(OPENSSL_NO_TLSEXT) && !defined(OPENSSL_NO_NEXTPROTONEG) 2698 SSL_get0_next_proto_negotiated(con, &next_proto_neg, &next_proto_neg_len); 2699 if (next_proto_neg) { 2700 BIO_printf(bio_s_out, "NEXTPROTO is "); 2701 BIO_write(bio_s_out, next_proto_neg, next_proto_neg_len); 2702 BIO_printf(bio_s_out, "\n"); 2703 } 2704#endif 2705#ifndef OPENSSL_NO_SRTP 2706 { 2707 SRTP_PROTECTION_PROFILE *srtp_profile 2708 = SSL_get_selected_srtp_profile(con); 2709 2710 if (srtp_profile) 2711 BIO_printf(bio_s_out, "SRTP Extension negotiated, profile=%s\n", 2712 srtp_profile->name); 2713 } 2714#endif 2715 if (SSL_cache_hit(con)) 2716 BIO_printf(bio_s_out, "Reused session-id\n"); 2717 if (SSL_ctrl(con, SSL_CTRL_GET_FLAGS, 0, NULL) & 2718 TLS1_FLAGS_TLS_PADDING_BUG) 2719 BIO_printf(bio_s_out, "Peer has incorrect TLSv1 block padding\n"); 2720#ifndef OPENSSL_NO_KRB5 2721 client_princ = kssl_ctx_get0_client_princ(SSL_get0_kssl_ctx(con)); 2722 if (client_princ != NULL) { 2723 BIO_printf(bio_s_out, "Kerberos peer principal is %s\n", 2724 client_princ); 2725 } 2726#endif /* OPENSSL_NO_KRB5 */ 2727 BIO_printf(bio_s_out, "Secure Renegotiation IS%s supported\n", 2728 SSL_get_secure_renegotiation_support(con) ? "" : " NOT"); 2729 if (keymatexportlabel != NULL) { 2730 BIO_printf(bio_s_out, "Keying material exporter:\n"); 2731 BIO_printf(bio_s_out, " Label: '%s'\n", keymatexportlabel); 2732 BIO_printf(bio_s_out, " Length: %i bytes\n", keymatexportlen); 2733 exportedkeymat = OPENSSL_malloc(keymatexportlen); 2734 if (exportedkeymat != NULL) { 2735 if (!SSL_export_keying_material(con, exportedkeymat, 2736 keymatexportlen, 2737 keymatexportlabel, 2738 strlen(keymatexportlabel), 2739 NULL, 0, 0)) { 2740 BIO_printf(bio_s_out, " Error\n"); 2741 } else { 2742 BIO_printf(bio_s_out, " Keying material: "); 2743 for (i = 0; i < keymatexportlen; i++) 2744 BIO_printf(bio_s_out, "%02X", exportedkeymat[i]); 2745 BIO_printf(bio_s_out, "\n"); 2746 } 2747 OPENSSL_free(exportedkeymat); 2748 } 2749 } 2750 2751 return (1); 2752} 2753 2754#ifndef OPENSSL_NO_DH 2755static DH *load_dh_param(const char *dhfile) 2756{ 2757 DH *ret = NULL; 2758 BIO *bio; 2759 2760 if ((bio = BIO_new_file(dhfile, "r")) == NULL) 2761 goto err; 2762 ret = PEM_read_bio_DHparams(bio, NULL, NULL, NULL); 2763 err: 2764 if (bio != NULL) 2765 BIO_free(bio); 2766 return (ret); 2767} 2768#endif 2769#ifndef OPENSSL_NO_KRB5 2770char *client_princ; 2771#endif 2772 2773#if 0 2774static int load_CA(SSL_CTX *ctx, char *file) 2775{ 2776 FILE *in; 2777 X509 *x = NULL; 2778 2779 if ((in = fopen(file, "r")) == NULL) 2780 return (0); 2781 2782 for (;;) { 2783 if (PEM_read_X509(in, &x, NULL) == NULL) 2784 break; 2785 SSL_CTX_add_client_CA(ctx, x); 2786 } 2787 if (x != NULL) 2788 X509_free(x); 2789 fclose(in); 2790 return (1); 2791} 2792#endif 2793 2794static int www_body(int s, int stype, unsigned char *context) 2795{ 2796 char *buf = NULL; 2797 int ret = 1; 2798 int i, j, k, dot; 2799 SSL *con; 2800 const SSL_CIPHER *c; 2801 BIO *io, *ssl_bio, *sbio; 2802#ifndef OPENSSL_NO_KRB5 2803 KSSL_CTX *kctx; 2804#endif 2805 2806 buf = OPENSSL_malloc(bufsize); 2807 if (buf == NULL) 2808 return (0); 2809 io = BIO_new(BIO_f_buffer()); 2810 ssl_bio = BIO_new(BIO_f_ssl()); 2811 if ((io == NULL) || (ssl_bio == NULL)) 2812 goto err; 2813 2814#ifdef FIONBIO 2815 if (s_nbio) { 2816 unsigned long sl = 1; 2817 2818 if (!s_quiet) 2819 BIO_printf(bio_err, "turning on non blocking io\n"); 2820 if (BIO_socket_ioctl(s, FIONBIO, &sl) < 0) 2821 ERR_print_errors(bio_err); 2822 } 2823#endif 2824 2825 /* lets make the output buffer a reasonable size */ 2826 if (!BIO_set_write_buffer_size(io, bufsize)) 2827 goto err; 2828 2829 if ((con = SSL_new(ctx)) == NULL) 2830 goto err; 2831#ifndef OPENSSL_NO_TLSEXT 2832 if (s_tlsextdebug) { 2833 SSL_set_tlsext_debug_callback(con, tlsext_cb); 2834 SSL_set_tlsext_debug_arg(con, bio_s_out); 2835 } 2836#endif 2837#ifndef OPENSSL_NO_KRB5 2838 if ((kctx = kssl_ctx_new()) != NULL) { 2839 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 2840 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 2841 } 2842#endif /* OPENSSL_NO_KRB5 */ 2843 if (context) 2844 SSL_set_session_id_context(con, context, strlen((char *)context)); 2845 2846 sbio = BIO_new_socket(s, BIO_NOCLOSE); 2847 if (s_nbio_test) { 2848 BIO *test; 2849 2850 test = BIO_new(BIO_f_nbio_test()); 2851 sbio = BIO_push(test, sbio); 2852 } 2853 SSL_set_bio(con, sbio, sbio); 2854 SSL_set_accept_state(con); 2855 2856 /* SSL_set_fd(con,s); */ 2857 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 2858 BIO_push(io, ssl_bio); 2859#ifdef CHARSET_EBCDIC 2860 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 2861#endif 2862 2863 if (s_debug) { 2864 SSL_set_debug(con, 1); 2865 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 2866 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 2867 } 2868 if (s_msg) { 2869#ifndef OPENSSL_NO_SSL_TRACE 2870 if (s_msg == 2) 2871 SSL_set_msg_callback(con, SSL_trace); 2872 else 2873#endif 2874 SSL_set_msg_callback(con, msg_cb); 2875 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 2876 } 2877 2878 for (;;) { 2879 if (hack) { 2880 i = SSL_accept(con); 2881#ifndef OPENSSL_NO_SRP 2882 while (i <= 0 2883 && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { 2884 BIO_printf(bio_s_out, "LOOKUP during accept %s\n", 2885 srp_callback_parm.login); 2886 SRP_user_pwd_free(srp_callback_parm.user); 2887 srp_callback_parm.user = 2888 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2889 srp_callback_parm.login); 2890 if (srp_callback_parm.user) 2891 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2892 srp_callback_parm.user->info); 2893 else 2894 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2895 i = SSL_accept(con); 2896 } 2897#endif 2898 switch (SSL_get_error(con, i)) { 2899 case SSL_ERROR_NONE: 2900 break; 2901 case SSL_ERROR_WANT_WRITE: 2902 case SSL_ERROR_WANT_READ: 2903 case SSL_ERROR_WANT_X509_LOOKUP: 2904 continue; 2905 case SSL_ERROR_SYSCALL: 2906 case SSL_ERROR_SSL: 2907 case SSL_ERROR_ZERO_RETURN: 2908 ret = 1; 2909 goto err; 2910 /* break; */ 2911 } 2912 2913 SSL_renegotiate(con); 2914 SSL_write(con, NULL, 0); 2915 } 2916 2917 i = BIO_gets(io, buf, bufsize - 1); 2918 if (i < 0) { /* error */ 2919 if (!BIO_should_retry(io)) { 2920 if (!s_quiet) 2921 ERR_print_errors(bio_err); 2922 goto err; 2923 } else { 2924 BIO_printf(bio_s_out, "read R BLOCK\n"); 2925#ifndef OPENSSL_NO_SRP 2926 if (BIO_should_io_special(io) 2927 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 2928 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 2929 SRP_user_pwd_free(srp_callback_parm.user); 2930 srp_callback_parm.user = 2931 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 2932 srp_callback_parm.login); 2933 if (srp_callback_parm.user) 2934 BIO_printf(bio_s_out, "LOOKUP done %s\n", 2935 srp_callback_parm.user->info); 2936 else 2937 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 2938 continue; 2939 } 2940#endif 2941#if defined(OPENSSL_SYS_NETWARE) 2942 delay(1000); 2943#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 2944 sleep(1); 2945#endif 2946 continue; 2947 } 2948 } else if (i == 0) { /* end of input */ 2949 ret = 1; 2950 goto end; 2951 } 2952 2953 /* else we have data */ 2954 if (((www == 1) && (strncmp("GET ", buf, 4) == 0)) || 2955 ((www == 2) && (strncmp("GET /stats ", buf, 11) == 0))) { 2956 char *p; 2957 X509 *peer; 2958 STACK_OF(SSL_CIPHER) *sk; 2959 static const char *space = " "; 2960 2961 BIO_puts(io, 2962 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 2963 BIO_puts(io, "<HTML><BODY BGCOLOR=\"#ffffff\">\n"); 2964 BIO_puts(io, "<pre>\n"); 2965/* BIO_puts(io,SSLeay_version(SSLEAY_VERSION));*/ 2966 BIO_puts(io, "\n"); 2967 for (i = 0; i < local_argc; i++) { 2968 BIO_puts(io, local_argv[i]); 2969 BIO_write(io, " ", 1); 2970 } 2971 BIO_puts(io, "\n"); 2972 2973 BIO_printf(io, 2974 "Secure Renegotiation IS%s supported\n", 2975 SSL_get_secure_renegotiation_support(con) ? 2976 "" : " NOT"); 2977 2978 /* 2979 * The following is evil and should not really be done 2980 */ 2981 BIO_printf(io, "Ciphers supported in s_server binary\n"); 2982 sk = SSL_get_ciphers(con); 2983 j = sk_SSL_CIPHER_num(sk); 2984 for (i = 0; i < j; i++) { 2985 c = sk_SSL_CIPHER_value(sk, i); 2986 BIO_printf(io, "%-11s:%-25s", 2987 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 2988 if ((((i + 1) % 2) == 0) && (i + 1 != j)) 2989 BIO_puts(io, "\n"); 2990 } 2991 BIO_puts(io, "\n"); 2992 p = SSL_get_shared_ciphers(con, buf, bufsize); 2993 if (p != NULL) { 2994 BIO_printf(io, 2995 "---\nCiphers common between both SSL end points:\n"); 2996 j = i = 0; 2997 while (*p) { 2998 if (*p == ':') { 2999 BIO_write(io, space, 26 - j); 3000 i++; 3001 j = 0; 3002 BIO_write(io, ((i % 3) ? " " : "\n"), 1); 3003 } else { 3004 BIO_write(io, p, 1); 3005 j++; 3006 } 3007 p++; 3008 } 3009 BIO_puts(io, "\n"); 3010 } 3011 ssl_print_sigalgs(io, con); 3012#ifndef OPENSSL_NO_EC 3013 ssl_print_curves(io, con, 0); 3014#endif 3015 BIO_printf(io, (SSL_cache_hit(con) 3016 ? "---\nReused, " : "---\nNew, ")); 3017 c = SSL_get_current_cipher(con); 3018 BIO_printf(io, "%s, Cipher is %s\n", 3019 SSL_CIPHER_get_version(c), SSL_CIPHER_get_name(c)); 3020 SSL_SESSION_print(io, SSL_get_session(con)); 3021 BIO_printf(io, "---\n"); 3022 print_stats(io, SSL_get_SSL_CTX(con)); 3023 BIO_printf(io, "---\n"); 3024 peer = SSL_get_peer_certificate(con); 3025 if (peer != NULL) { 3026 BIO_printf(io, "Client certificate\n"); 3027 X509_print(io, peer); 3028 PEM_write_bio_X509(io, peer); 3029 } else 3030 BIO_puts(io, "no client certificate available\n"); 3031 BIO_puts(io, "</pre></BODY></HTML>\r\n\r\n"); 3032 break; 3033 } else if ((www == 2 || www == 3) 3034 && (strncmp("GET /", buf, 5) == 0)) { 3035 BIO *file; 3036 char *p, *e; 3037 static const char *text = 3038 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"; 3039 3040 /* skip the '/' */ 3041 p = &(buf[5]); 3042 3043 dot = 1; 3044 for (e = p; *e != '\0'; e++) { 3045 if (e[0] == ' ') 3046 break; 3047 3048 if (e[0] == ':') { 3049 /* Windows drive. We treat this the same way as ".." */ 3050 dot = -1; 3051 break; 3052 } 3053 3054 switch (dot) { 3055 case 1: 3056 dot = (e[0] == '.') ? 2 : 0; 3057 break; 3058 case 2: 3059 dot = (e[0] == '.') ? 3 : 0; 3060 break; 3061 case 3: 3062 dot = (e[0] == '/' || e[0] == '\\') ? -1 : 0; 3063 break; 3064 } 3065 if (dot == 0) 3066 dot = (e[0] == '/' || e[0] == '\\') ? 1 : 0; 3067 } 3068 dot = (dot == 3) || (dot == -1); /* filename contains ".." 3069 * component */ 3070 3071 if (*e == '\0') { 3072 BIO_puts(io, text); 3073 BIO_printf(io, "'%s' is an invalid file name\r\n", p); 3074 break; 3075 } 3076 *e = '\0'; 3077 3078 if (dot) { 3079 BIO_puts(io, text); 3080 BIO_printf(io, "'%s' contains '..' or ':'\r\n", p); 3081 break; 3082 } 3083 3084 if (*p == '/' || *p == '\\') { 3085 BIO_puts(io, text); 3086 BIO_printf(io, "'%s' is an invalid path\r\n", p); 3087 break; 3088 } 3089#if 0 3090 /* append if a directory lookup */ 3091 if (e[-1] == '/') 3092 strcat(p, "index.html"); 3093#endif 3094 3095 /* if a directory, do the index thang */ 3096 if (app_isdir(p) > 0) { 3097#if 0 /* must check buffer size */ 3098 strcat(p, "/index.html"); 3099#else 3100 BIO_puts(io, text); 3101 BIO_printf(io, "'%s' is a directory\r\n", p); 3102 break; 3103#endif 3104 } 3105 3106 if ((file = BIO_new_file(p, "r")) == NULL) { 3107 BIO_puts(io, text); 3108 BIO_printf(io, "Error opening '%s'\r\n", p); 3109 ERR_print_errors(io); 3110 break; 3111 } 3112 3113 if (!s_quiet) 3114 BIO_printf(bio_err, "FILE:%s\n", p); 3115 3116 if (www == 2) { 3117 i = strlen(p); 3118 if (((i > 5) && (strcmp(&(p[i - 5]), ".html") == 0)) || 3119 ((i > 4) && (strcmp(&(p[i - 4]), ".php") == 0)) || 3120 ((i > 4) && (strcmp(&(p[i - 4]), ".htm") == 0))) 3121 BIO_puts(io, 3122 "HTTP/1.0 200 ok\r\nContent-type: text/html\r\n\r\n"); 3123 else 3124 BIO_puts(io, 3125 "HTTP/1.0 200 ok\r\nContent-type: text/plain\r\n\r\n"); 3126 } 3127 /* send the file */ 3128 for (;;) { 3129 i = BIO_read(file, buf, bufsize); 3130 if (i <= 0) 3131 break; 3132 3133#ifdef RENEG 3134 total_bytes += i; 3135 fprintf(stderr, "%d\n", i); 3136 if (total_bytes > 3 * 1024) { 3137 total_bytes = 0; 3138 fprintf(stderr, "RENEGOTIATE\n"); 3139 SSL_renegotiate(con); 3140 } 3141#endif 3142 3143 for (j = 0; j < i;) { 3144#ifdef RENEG 3145 { 3146 static count = 0; 3147 if (++count == 13) { 3148 SSL_renegotiate(con); 3149 } 3150 } 3151#endif 3152 k = BIO_write(io, &(buf[j]), i - j); 3153 if (k <= 0) { 3154 if (!BIO_should_retry(io)) 3155 goto write_error; 3156 else { 3157 BIO_printf(bio_s_out, "rwrite W BLOCK\n"); 3158 } 3159 } else { 3160 j += k; 3161 } 3162 } 3163 } 3164 write_error: 3165 BIO_free(file); 3166 break; 3167 } 3168 } 3169 3170 for (;;) { 3171 i = (int)BIO_flush(io); 3172 if (i <= 0) { 3173 if (!BIO_should_retry(io)) 3174 break; 3175 } else 3176 break; 3177 } 3178 end: 3179#if 1 3180 /* make sure we re-use sessions */ 3181 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3182#else 3183 /* This kills performance */ 3184 /* 3185 * SSL_shutdown(con); A shutdown gets sent in the BIO_free_all(io) 3186 * procession 3187 */ 3188#endif 3189 3190 err: 3191 3192 if (ret >= 0) 3193 BIO_printf(bio_s_out, "ACCEPT\n"); 3194 3195 if (buf != NULL) 3196 OPENSSL_free(buf); 3197 if (io != NULL) 3198 BIO_free_all(io); 3199/* if (ssl_bio != NULL) BIO_free(ssl_bio);*/ 3200 return (ret); 3201} 3202 3203static int rev_body(int s, int stype, unsigned char *context) 3204{ 3205 char *buf = NULL; 3206 int i; 3207 int ret = 1; 3208 SSL *con; 3209 BIO *io, *ssl_bio, *sbio; 3210#ifndef OPENSSL_NO_KRB5 3211 KSSL_CTX *kctx; 3212#endif 3213 3214 buf = OPENSSL_malloc(bufsize); 3215 if (buf == NULL) 3216 return (0); 3217 io = BIO_new(BIO_f_buffer()); 3218 ssl_bio = BIO_new(BIO_f_ssl()); 3219 if ((io == NULL) || (ssl_bio == NULL)) 3220 goto err; 3221 3222 /* lets make the output buffer a reasonable size */ 3223 if (!BIO_set_write_buffer_size(io, bufsize)) 3224 goto err; 3225 3226 if ((con = SSL_new(ctx)) == NULL) 3227 goto err; 3228#ifndef OPENSSL_NO_TLSEXT 3229 if (s_tlsextdebug) { 3230 SSL_set_tlsext_debug_callback(con, tlsext_cb); 3231 SSL_set_tlsext_debug_arg(con, bio_s_out); 3232 } 3233#endif 3234#ifndef OPENSSL_NO_KRB5 3235 if ((kctx = kssl_ctx_new()) != NULL) { 3236 kssl_ctx_setstring(kctx, KSSL_SERVICE, KRB5SVC); 3237 kssl_ctx_setstring(kctx, KSSL_KEYTAB, KRB5KEYTAB); 3238 } 3239#endif /* OPENSSL_NO_KRB5 */ 3240 if (context) 3241 SSL_set_session_id_context(con, context, strlen((char *)context)); 3242 3243 sbio = BIO_new_socket(s, BIO_NOCLOSE); 3244 SSL_set_bio(con, sbio, sbio); 3245 SSL_set_accept_state(con); 3246 3247 BIO_set_ssl(ssl_bio, con, BIO_CLOSE); 3248 BIO_push(io, ssl_bio); 3249#ifdef CHARSET_EBCDIC 3250 io = BIO_push(BIO_new(BIO_f_ebcdic_filter()), io); 3251#endif 3252 3253 if (s_debug) { 3254 SSL_set_debug(con, 1); 3255 BIO_set_callback(SSL_get_rbio(con), bio_dump_callback); 3256 BIO_set_callback_arg(SSL_get_rbio(con), (char *)bio_s_out); 3257 } 3258 if (s_msg) { 3259#ifndef OPENSSL_NO_SSL_TRACE 3260 if (s_msg == 2) 3261 SSL_set_msg_callback(con, SSL_trace); 3262 else 3263#endif 3264 SSL_set_msg_callback(con, msg_cb); 3265 SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); 3266 } 3267 3268 for (;;) { 3269 i = BIO_do_handshake(io); 3270 if (i > 0) 3271 break; 3272 if (!BIO_should_retry(io)) { 3273 BIO_puts(bio_err, "CONNECTION FAILURE\n"); 3274 ERR_print_errors(bio_err); 3275 goto end; 3276 } 3277#ifndef OPENSSL_NO_SRP 3278 if (BIO_should_io_special(io) 3279 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3280 BIO_printf(bio_s_out, "LOOKUP renego during accept\n"); 3281 SRP_user_pwd_free(srp_callback_parm.user); 3282 srp_callback_parm.user = 3283 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3284 srp_callback_parm.login); 3285 if (srp_callback_parm.user) 3286 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3287 srp_callback_parm.user->info); 3288 else 3289 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3290 continue; 3291 } 3292#endif 3293 } 3294 BIO_printf(bio_err, "CONNECTION ESTABLISHED\n"); 3295 print_ssl_summary(bio_err, con); 3296 3297 for (;;) { 3298 i = BIO_gets(io, buf, bufsize - 1); 3299 if (i < 0) { /* error */ 3300 if (!BIO_should_retry(io)) { 3301 if (!s_quiet) 3302 ERR_print_errors(bio_err); 3303 goto err; 3304 } else { 3305 BIO_printf(bio_s_out, "read R BLOCK\n"); 3306#ifndef OPENSSL_NO_SRP 3307 if (BIO_should_io_special(io) 3308 && BIO_get_retry_reason(io) == BIO_RR_SSL_X509_LOOKUP) { 3309 BIO_printf(bio_s_out, "LOOKUP renego during read\n"); 3310 SRP_user_pwd_free(srp_callback_parm.user); 3311 srp_callback_parm.user = 3312 SRP_VBASE_get1_by_user(srp_callback_parm.vb, 3313 srp_callback_parm.login); 3314 if (srp_callback_parm.user) 3315 BIO_printf(bio_s_out, "LOOKUP done %s\n", 3316 srp_callback_parm.user->info); 3317 else 3318 BIO_printf(bio_s_out, "LOOKUP not successful\n"); 3319 continue; 3320 } 3321#endif 3322#if defined(OPENSSL_SYS_NETWARE) 3323 delay(1000); 3324#elif !defined(OPENSSL_SYS_MSDOS) && !defined(__DJGPP__) 3325 sleep(1); 3326#endif 3327 continue; 3328 } 3329 } else if (i == 0) { /* end of input */ 3330 ret = 1; 3331 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3332 goto end; 3333 } else { 3334 char *p = buf + i - 1; 3335 while (i && (*p == '\n' || *p == '\r')) { 3336 p--; 3337 i--; 3338 } 3339 if (!s_ign_eof && i == 5 && !strncmp(buf, "CLOSE", 5)) { 3340 ret = 1; 3341 BIO_printf(bio_err, "CONNECTION CLOSED\n"); 3342 goto end; 3343 } 3344 BUF_reverse((unsigned char *)buf, NULL, i); 3345 buf[i] = '\n'; 3346 BIO_write(io, buf, i + 1); 3347 for (;;) { 3348 i = BIO_flush(io); 3349 if (i > 0) 3350 break; 3351 if (!BIO_should_retry(io)) 3352 goto end; 3353 } 3354 } 3355 } 3356 end: 3357 /* make sure we re-use sessions */ 3358 SSL_set_shutdown(con, SSL_SENT_SHUTDOWN | SSL_RECEIVED_SHUTDOWN); 3359 3360 err: 3361 3362 if (buf != NULL) 3363 OPENSSL_free(buf); 3364 if (io != NULL) 3365 BIO_free_all(io); 3366 return (ret); 3367} 3368 3369#ifndef OPENSSL_NO_RSA 3370static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int is_export, int keylength) 3371{ 3372 BIGNUM *bn = NULL; 3373 static RSA *rsa_tmp = NULL; 3374 3375 if (!rsa_tmp && ((bn = BN_new()) == NULL)) 3376 BIO_printf(bio_err, "Allocation error in generating RSA key\n"); 3377 if (!rsa_tmp && bn) { 3378 if (!s_quiet) { 3379 BIO_printf(bio_err, "Generating temp (%d bit) RSA key...", 3380 keylength); 3381 (void)BIO_flush(bio_err); 3382 } 3383 if (!BN_set_word(bn, RSA_F4) || ((rsa_tmp = RSA_new()) == NULL) || 3384 !RSA_generate_key_ex(rsa_tmp, keylength, bn, NULL)) { 3385 if (rsa_tmp) 3386 RSA_free(rsa_tmp); 3387 rsa_tmp = NULL; 3388 } 3389 if (!s_quiet) { 3390 BIO_printf(bio_err, "\n"); 3391 (void)BIO_flush(bio_err); 3392 } 3393 BN_free(bn); 3394 } 3395 return (rsa_tmp); 3396} 3397#endif 3398 3399#define MAX_SESSION_ID_ATTEMPTS 10 3400static int generate_session_id(const SSL *ssl, unsigned char *id, 3401 unsigned int *id_len) 3402{ 3403 unsigned int count = 0; 3404 do { 3405 if (RAND_bytes(id, *id_len) <= 0) 3406 return 0; 3407 /* 3408 * Prefix the session_id with the required prefix. NB: If our prefix 3409 * is too long, clip it - but there will be worse effects anyway, eg. 3410 * the server could only possibly create 1 session ID (ie. the 3411 * prefix!) so all future session negotiations will fail due to 3412 * conflicts. 3413 */ 3414 memcpy(id, session_id_prefix, 3415 (strlen(session_id_prefix) < *id_len) ? 3416 strlen(session_id_prefix) : *id_len); 3417 } 3418 while (SSL_has_matching_session_id(ssl, id, *id_len) && 3419 (++count < MAX_SESSION_ID_ATTEMPTS)); 3420 if (count >= MAX_SESSION_ID_ATTEMPTS) 3421 return 0; 3422 return 1; 3423} 3424 3425/* 3426 * By default s_server uses an in-memory cache which caches SSL_SESSION 3427 * structures without any serialisation. This hides some bugs which only 3428 * become apparent in deployed servers. By implementing a basic external 3429 * session cache some issues can be debugged using s_server. 3430 */ 3431 3432typedef struct simple_ssl_session_st { 3433 unsigned char *id; 3434 unsigned int idlen; 3435 unsigned char *der; 3436 int derlen; 3437 struct simple_ssl_session_st *next; 3438} simple_ssl_session; 3439 3440static simple_ssl_session *first = NULL; 3441 3442static int add_session(SSL *ssl, SSL_SESSION *session) 3443{ 3444 simple_ssl_session *sess; 3445 unsigned char *p; 3446 3447 sess = OPENSSL_malloc(sizeof(simple_ssl_session)); 3448 if (!sess) { 3449 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3450 return 0; 3451 } 3452 3453 SSL_SESSION_get_id(session, &sess->idlen); 3454 sess->derlen = i2d_SSL_SESSION(session, NULL); 3455 3456 sess->id = BUF_memdup(SSL_SESSION_get_id(session, NULL), sess->idlen); 3457 3458 sess->der = OPENSSL_malloc(sess->derlen); 3459 if (!sess->id || !sess->der) { 3460 BIO_printf(bio_err, "Out of memory adding session to external cache\n"); 3461 3462 if (sess->id) 3463 OPENSSL_free(sess->id); 3464 if (sess->der) 3465 OPENSSL_free(sess->der); 3466 OPENSSL_free(sess); 3467 return 0; 3468 } 3469 p = sess->der; 3470 i2d_SSL_SESSION(session, &p); 3471 3472 sess->next = first; 3473 first = sess; 3474 BIO_printf(bio_err, "New session added to external cache\n"); 3475 return 0; 3476} 3477 3478static SSL_SESSION *get_session(SSL *ssl, unsigned char *id, int idlen, 3479 int *do_copy) 3480{ 3481 simple_ssl_session *sess; 3482 *do_copy = 0; 3483 for (sess = first; sess; sess = sess->next) { 3484 if (idlen == (int)sess->idlen && !memcmp(sess->id, id, idlen)) { 3485 const unsigned char *p = sess->der; 3486 BIO_printf(bio_err, "Lookup session: cache hit\n"); 3487 return d2i_SSL_SESSION(NULL, &p, sess->derlen); 3488 } 3489 } 3490 BIO_printf(bio_err, "Lookup session: cache miss\n"); 3491 return NULL; 3492} 3493 3494static void del_session(SSL_CTX *sctx, SSL_SESSION *session) 3495{ 3496 simple_ssl_session *sess, *prev = NULL; 3497 const unsigned char *id; 3498 unsigned int idlen; 3499 id = SSL_SESSION_get_id(session, &idlen); 3500 for (sess = first; sess; sess = sess->next) { 3501 if (idlen == sess->idlen && !memcmp(sess->id, id, idlen)) { 3502 if (prev) 3503 prev->next = sess->next; 3504 else 3505 first = sess->next; 3506 OPENSSL_free(sess->id); 3507 OPENSSL_free(sess->der); 3508 OPENSSL_free(sess); 3509 return; 3510 } 3511 prev = sess; 3512 } 3513} 3514 3515static void init_session_cache_ctx(SSL_CTX *sctx) 3516{ 3517 SSL_CTX_set_session_cache_mode(sctx, 3518 SSL_SESS_CACHE_NO_INTERNAL | 3519 SSL_SESS_CACHE_SERVER); 3520 SSL_CTX_sess_set_new_cb(sctx, add_session); 3521 SSL_CTX_sess_set_get_cb(sctx, get_session); 3522 SSL_CTX_sess_set_remove_cb(sctx, del_session); 3523} 3524 3525static void free_sessions(void) 3526{ 3527 simple_ssl_session *sess, *tsess; 3528 for (sess = first; sess;) { 3529 OPENSSL_free(sess->id); 3530 OPENSSL_free(sess->der); 3531 tsess = sess; 3532 sess = sess->next; 3533 OPENSSL_free(tsess); 3534 } 3535 first = NULL; 3536} 3537