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 setfsgid() correctly updates the filesystem group ID 12*49cdfc7eSAndroid Build Coastguard Worker * to the value given in fsgid 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 <unistd.h> 17*49cdfc7eSAndroid Build Coastguard Worker 18*49cdfc7eSAndroid Build Coastguard Worker #include "tst_test.h" 19*49cdfc7eSAndroid Build Coastguard Worker #include "compat_tst_16.h" 20*49cdfc7eSAndroid Build Coastguard Worker 21*49cdfc7eSAndroid Build Coastguard Worker static gid_t nobody_gid; 22*49cdfc7eSAndroid Build Coastguard Worker setup(void)23*49cdfc7eSAndroid Build Coastguard Workerstatic void setup(void) 24*49cdfc7eSAndroid Build Coastguard Worker { 25*49cdfc7eSAndroid Build Coastguard Worker struct passwd *nobody; 26*49cdfc7eSAndroid Build Coastguard Worker 27*49cdfc7eSAndroid Build Coastguard Worker nobody = SAFE_GETPWNAM("nobody"); 28*49cdfc7eSAndroid Build Coastguard Worker nobody_gid = nobody->pw_gid; 29*49cdfc7eSAndroid Build Coastguard Worker } 30*49cdfc7eSAndroid Build Coastguard Worker run(void)31*49cdfc7eSAndroid Build Coastguard Workerstatic void run(void) 32*49cdfc7eSAndroid Build Coastguard Worker { 33*49cdfc7eSAndroid Build Coastguard Worker gid_t gid; 34*49cdfc7eSAndroid Build Coastguard Worker 35*49cdfc7eSAndroid Build Coastguard Worker gid = getegid(); 36*49cdfc7eSAndroid Build Coastguard Worker GID16_CHECK(gid, setfsgid); 37*49cdfc7eSAndroid Build Coastguard Worker 38*49cdfc7eSAndroid Build Coastguard Worker SAFE_SETEUID(0); 39*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_VAL(SETFSGID(nobody_gid), gid); 40*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_VAL(SETFSGID(-1), nobody_gid); 41*49cdfc7eSAndroid Build Coastguard Worker TST_EXP_VAL_SILENT(SETFSGID(gid), nobody_gid); 42*49cdfc7eSAndroid Build Coastguard Worker } 43*49cdfc7eSAndroid Build Coastguard Worker 44*49cdfc7eSAndroid Build Coastguard Worker static struct tst_test test = { 45*49cdfc7eSAndroid Build Coastguard Worker .setup = setup, 46*49cdfc7eSAndroid Build Coastguard Worker .test_all = run, 47*49cdfc7eSAndroid Build Coastguard Worker .needs_root = 1 48*49cdfc7eSAndroid Build Coastguard Worker }; 49