1 /* $NetBSD: user.c,v 1.3 2014/12/10 04:38:03 christos Exp $ */ 2 3 /* 4 * Automated Testing Framework (atf) 5 * 6 * Copyright (c) 2007 The NetBSD Foundation, Inc. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 19 * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 20 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 21 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 25 * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 27 * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 28 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 29 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/param.h> 33 #include <sys/types.h> 34 #include <limits.h> 35 #include <unistd.h> 36 37 #include "sanity.h" 38 #include "user.h" 39 40 /* --------------------------------------------------------------------- 41 * Free functions. 42 * --------------------------------------------------------------------- */ 43 44 uid_t 45 atf_user_euid(void) 46 { 47 return geteuid(); 48 } 49 50 bool 51 atf_user_is_member_of_group(gid_t gid) 52 { 53 static gid_t groups[NGROUPS_MAX]; 54 static int ngroups = -1; 55 bool found; 56 int i; 57 58 if (ngroups == -1) { 59 ngroups = getgroups(NGROUPS_MAX, groups); 60 INV(ngroups >= 0); 61 } 62 63 found = false; 64 for (i = 0; !found && i < ngroups; i++) 65 if (groups[i] == gid) 66 found = true; 67 return found; 68 } 69 70 bool 71 atf_user_is_root(void) 72 { 73 return geteuid() == 0; 74 } 75 76 bool 77 atf_user_is_unprivileged(void) 78 { 79 return geteuid() != 0; 80 } 81