48 lines
965 B
C
48 lines
965 B
C
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/*
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* Copyright (C) International Business Machines Corp., 2001
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* Ported by Wayne Boyer
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* Adapted by Dustin Kirkland (k1rkland@us.ibm.com)
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* Copyright (c) 2022 SUSE LLC Avinesh Kumar <avinesh.kumar@suse.com>
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*/
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/*\
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* [Description]
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*
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* Verify that setfsuid() correctly updates the filesystem uid
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* when caller is a non-root user and provided fsuid matches
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* caller's real user ID.
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*/
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#include <pwd.h>
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#include "tst_test.h"
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#include "compat_tst_16.h"
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static uid_t nobody_uid;
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static void setup(void)
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{
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struct passwd *nobody;
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nobody = SAFE_GETPWNAM("nobody");
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nobody_uid = nobody->pw_uid;
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}
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static void run(void)
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{
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uid_t ruid, euid, suid;
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SAFE_GETRESUID(&ruid, &euid, &suid);
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SAFE_SETEUID(nobody_uid);
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UID16_CHECK(ruid, setfsuid);
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TST_EXP_VAL_SILENT(SETFSUID(ruid), nobody_uid);
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TST_EXP_VAL(SETFSUID(-1), ruid, "setfsuid(fsuid) by non-root user:");
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}
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static struct tst_test test = {
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.needs_root = 1,
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.setup = setup,
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.test_all = run
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};
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