1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright 2018-2020 Alex Richardson <arichardson@FreeBSD.org> 5 * 6 * This software was developed by SRI International and the University of 7 * Cambridge Computer Laboratory (Department of Computer Science and 8 * Technology) under DARPA contract HR0011-18-C-0016 ("ECATS"), as part of the 9 * DARPA SSITH research programme. 10 * 11 * This software was developed by SRI International and the University of 12 * Cambridge Computer Laboratory under DARPA/AFRL contract (FA8750-10-C-0237) 13 * ("CTSRD"), as part of the DARPA CRASH research programme. 14 * 15 * Redistribution and use in source and binary forms, with or without 16 * modification, are permitted provided that the following conditions 17 * are met: 18 * 1. Redistributions of source code must retain the above copyright 19 * notice, this list of conditions and the following disclaimer. 20 * 2. Redistributions in binary form must reproduce the above copyright 21 * notice, this list of conditions and the following disclaimer in the 22 * documentation and/or other materials provided with the distribution. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 */ 36 #pragma once 37 #include_next <unistd.h> 38 #include <getopt.h> 39 40 struct crypt_data { 41 int initialized; /* For compatibility with glibc. */ 42 char __buf[256]; /* Buffer returned by crypt_r(). */ 43 }; 44 45 static inline int 46 check_utility_compat(const char *utility __unused) 47 { 48 /* 49 * The check_utility_compat() function returns zero if utility should 50 * implement strict IEEE Std 1003.1-2001 (“POSIX.1”) behavior, and 51 * nonzero otherwise. 52 * 53 * During bootstrapping from another host system always returning 1 54 * is probably the best. 55 */ 56 return (1); 57 } 58 59 /* Just needs to be declared, doesn't actually have to be implemented */ 60 void closefrom(int lowfd); 61