1*49cdfc7eSAndroid Build Coastguard Worker // SPDX-License-Identifier: GPL-2.0-or-later 2*49cdfc7eSAndroid Build Coastguard Worker /* 3*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) International Business Machines Corp., 2001 4*49cdfc7eSAndroid Build Coastguard Worker * Ported by Wayne Boyer 5*49cdfc7eSAndroid Build Coastguard Worker * Copyright (c) 2022 SUSE LLC Avinesh Kumar <[email protected]> 6*49cdfc7eSAndroid Build Coastguard Worker */ 7*49cdfc7eSAndroid Build Coastguard Worker 8*49cdfc7eSAndroid Build Coastguard Worker /*\ 9*49cdfc7eSAndroid Build Coastguard Worker * [Description] 10*49cdfc7eSAndroid Build Coastguard Worker * 11*49cdfc7eSAndroid Build Coastguard Worker * Verify that setfsuid() correctly updates the filesystem user ID 12*49cdfc7eSAndroid Build Coastguard Worker * to the value given in fsuid argument. 13*49cdfc7eSAndroid Build Coastguard Worker */ 14*49cdfc7eSAndroid Build Coastguard Worker 15*49cdfc7eSAndroid Build Coastguard Worker #include <pwd.h> 16*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h" 17*49cdfc7eSAndroid Build Coastguard Worker #include "compat_tst_16.h" 18*49cdfc7eSAndroid Build Coastguard Worker 19*49cdfc7eSAndroid Build Coastguard Worker static uid_t nobody_uid; 20*49cdfc7eSAndroid Build Coastguard Worker setup(void)21*49cdfc7eSAndroid Build Coastguard Workerstatic void setup(void) 22*49cdfc7eSAndroid Build Coastguard Worker { 23*49cdfc7eSAndroid Build Coastguard Worker struct passwd *nobody; 24*49cdfc7eSAndroid Build Coastguard Worker 25*49cdfc7eSAndroid Build Coastguard Worker nobody = SAFE_GETPWNAM("nobody"); 26*49cdfc7eSAndroid Build Coastguard Worker nobody_uid = nobody->pw_uid; 27*49cdfc7eSAndroid Build Coastguard Worker } 28*49cdfc7eSAndroid Build Coastguard Worker run(void)29*49cdfc7eSAndroid Build Coastguard Workerstatic void run(void) 30*49cdfc7eSAndroid Build Coastguard Worker { 31*49cdfc7eSAndroid Build Coastguard Worker uid_t uid; 32*49cdfc7eSAndroid Build Coastguard Worker 33*49cdfc7eSAndroid Build Coastguard Worker uid = geteuid(); 34*49cdfc7eSAndroid Build Coastguard Worker UID16_CHECK(uid, setfsuid); 35*49cdfc7eSAndroid Build Coastguard Worker 36*49cdfc7eSAndroid Build Coastguard Worker SAFE_SETEUID(0); 37*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_VAL(SETFSUID(nobody_uid), uid, "setfsuid(%d)", nobody_uid); 38*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_VAL(SETFSUID(-1), nobody_uid); 39*49cdfc7eSAndroid Build Coastguard Worker } 40*49cdfc7eSAndroid Build Coastguard Worker 41*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = { 42*49cdfc7eSAndroid Build Coastguard Worker .setup = setup, 43*49cdfc7eSAndroid Build Coastguard Worker .test_all = run, 44*49cdfc7eSAndroid Build Coastguard Worker .needs_root = 1 45*49cdfc7eSAndroid Build Coastguard Worker }; 46