1273929Sjmmv/* Copyright (c) 2007 The NetBSD Foundation, Inc. 2240116Smarcel * All rights reserved. 3240116Smarcel * 4240116Smarcel * Redistribution and use in source and binary forms, with or without 5240116Smarcel * modification, are permitted provided that the following conditions 6240116Smarcel * are met: 7240116Smarcel * 1. Redistributions of source code must retain the above copyright 8240116Smarcel * notice, this list of conditions and the following disclaimer. 9240116Smarcel * 2. Redistributions in binary form must reproduce the above copyright 10240116Smarcel * notice, this list of conditions and the following disclaimer in the 11240116Smarcel * documentation and/or other materials provided with the distribution. 12240116Smarcel * 13240116Smarcel * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 14240116Smarcel * CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 15240116Smarcel * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 16240116Smarcel * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17240116Smarcel * IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 18240116Smarcel * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19240116Smarcel * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 20240116Smarcel * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21240116Smarcel * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 22240116Smarcel * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 23240116Smarcel * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 24273929Sjmmv * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ 25240116Smarcel 26273929Sjmmv#include "atf-c/detail/user.h" 27273929Sjmmv 28240116Smarcel#include <sys/param.h> 29240116Smarcel#include <sys/types.h> 30240116Smarcel#include <limits.h> 31240116Smarcel#include <unistd.h> 32240116Smarcel 33273929Sjmmv#include "atf-c/detail/sanity.h" 34240116Smarcel 35240116Smarcel/* --------------------------------------------------------------------- 36240116Smarcel * Free functions. 37240116Smarcel * --------------------------------------------------------------------- */ 38240116Smarcel 39240116Smarceluid_t 40240116Smarcelatf_user_euid(void) 41240116Smarcel{ 42240116Smarcel return geteuid(); 43240116Smarcel} 44240116Smarcel 45240116Smarcelbool 46240116Smarcelatf_user_is_member_of_group(gid_t gid) 47240116Smarcel{ 48240116Smarcel static gid_t groups[NGROUPS_MAX]; 49240116Smarcel static int ngroups = -1; 50240116Smarcel bool found; 51240116Smarcel int i; 52240116Smarcel 53240116Smarcel if (ngroups == -1) { 54240116Smarcel ngroups = getgroups(NGROUPS_MAX, groups); 55240116Smarcel INV(ngroups >= 0); 56240116Smarcel } 57240116Smarcel 58240116Smarcel found = false; 59240116Smarcel for (i = 0; !found && i < ngroups; i++) 60240116Smarcel if (groups[i] == gid) 61240116Smarcel found = true; 62240116Smarcel return found; 63240116Smarcel} 64240116Smarcel 65240116Smarcelbool 66240116Smarcelatf_user_is_root(void) 67240116Smarcel{ 68240116Smarcel return geteuid() == 0; 69240116Smarcel} 70240116Smarcel 71240116Smarcelbool 72240116Smarcelatf_user_is_unprivileged(void) 73240116Smarcel{ 74240116Smarcel return geteuid() != 0; 75240116Smarcel} 76