73 lines
1.7 KiB
C
73 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2001
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* 07/2001 Ported by Wayne Boyer
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* Copyright (c) 2021 Xie Ziyao <xieziyao@huawei.com>
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*/
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/*\
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* [Description]
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*
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* Verify that, fchown() succeeds to change the owner and group of a file
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* specified by file descriptor to any numeric owner(uid)/group(gid) values
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* when invoked by super-user.
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*/
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#include "tst_test.h"
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#include "compat_tst_16.h"
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#include "tst_safe_macros.h"
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#define FILE_MODE (S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)
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#define TESTFILE "testfile"
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static int fd;
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struct test_case_t {
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char *desc;
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uid_t uid;
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gid_t gid;
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} tc[] = {
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{"change owner/group ids", 700, 701},
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{"change owner id only", 702, -1},
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{"change owner id only", 703, 701},
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{"change group id only", -1, 704},
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{"change group id only", 703, 705},
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{"no change", -1, -1}
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};
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static void run(unsigned int i)
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{
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struct stat stat_buf;
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uid_t expect_uid = tc[i].uid == (uid_t)-1 ? tc[i - 1].uid : tc[i].uid;
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gid_t expect_gid = tc[i].gid == (uid_t)-1 ? tc[i - 1].gid : tc[i].gid;
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TST_EXP_PASS(FCHOWN(fd, tc[i].uid, tc[i].gid), "fchown(%i, %i, %i), %s",
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fd, tc[i].uid, tc[i].gid, tc[i].desc);
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SAFE_FSTAT(fd, &stat_buf);
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if (stat_buf.st_uid != expect_uid || stat_buf.st_gid != expect_gid) {
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tst_res(TFAIL, "%s: incorrect ownership set, expected %d %d",
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TESTFILE, expect_uid, expect_gid);
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}
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}
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static void setup(void)
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{
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fd = SAFE_OPEN(TESTFILE, O_RDWR | O_CREAT, FILE_MODE);
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}
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static void cleanup(void)
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{
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if (fd > 0)
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SAFE_CLOSE(fd);
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}
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static struct tst_test test = {
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.tcnt = ARRAY_SIZE(tc),
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.needs_root = 1,
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.needs_tmpdir = 1,
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.setup = setup,
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.cleanup = cleanup,
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.test = run,
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};
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