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