134 lines
3.0 KiB
C
134 lines
3.0 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/*
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* Copyright (c) International Business Machines Corp., 2002
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*/
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/* 12/03/2002 Port to LTP robbiew@us.ibm.com */
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/* 06/30/2001 Port to Linux nsharoff@us.ibm.com */
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/*\
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* [DOCUMENTATION]
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* Verify that acct() returns proper errno on failure.
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*/
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <errno.h>
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#include <fcntl.h>
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#include <pwd.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <sys/mount.h>
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#include "tst_test.h"
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#define DIR_MODE (S_IRUSR|S_IWUSR|S_IXUSR|S_IRGRP| \
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S_IXGRP|S_IROTH|S_IXOTH)
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#define FILE_EISDIR "."
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#define FILE_EACCES "/dev/null"
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#define FILE_ENOENT "/tmp/does/not/exist"
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#define FILE_ENOTDIR "./tmpfile/"
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#define TEST_TMPFILE "./tmpfile"
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#define TEST_ELOOP "test_file_eloop1"
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#define TEST_ENAMETOOLONG nametoolong
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#define TEST_EROFS "mntpoint/file"
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static char nametoolong[PATH_MAX+2];
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static struct passwd *ltpuser;
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static void setup_euid(void)
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{
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SAFE_SETEUID(ltpuser->pw_uid);
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}
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static void cleanup_euid(void)
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{
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SAFE_SETEUID(0);
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}
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static struct test_case {
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char *filename;
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char *exp_errval;
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int exp_errno;
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void (*setupfunc) ();
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void (*cleanfunc) ();
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} tcases[] = {
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{FILE_EISDIR, "EISDIR", EISDIR, NULL, NULL},
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{FILE_EACCES, "EACCES", EACCES, NULL, NULL},
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{FILE_ENOENT, "ENOENT", ENOENT, NULL, NULL},
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{FILE_ENOTDIR, "ENOTDIR", ENOTDIR, NULL, NULL},
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{TEST_TMPFILE, "EPERM", EPERM, setup_euid, cleanup_euid},
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{NULL, "EPERM", EPERM, setup_euid, cleanup_euid},
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{TEST_ELOOP, "ELOOP", ELOOP, NULL, NULL},
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{TEST_ENAMETOOLONG, "ENAMETOOLONG", ENAMETOOLONG, NULL, NULL},
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{TEST_EROFS, "EROFS", EROFS, NULL, NULL},
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};
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static void setup(void)
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{
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int fd;
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TEST(acct(NULL));
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if (TST_RET == -1 && TST_ERR == ENOSYS)
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tst_brk(TCONF, "acct() system call isn't configured in kernel");
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ltpuser = SAFE_GETPWNAM("nobody");
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fd = SAFE_CREAT(TEST_TMPFILE, 0777);
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SAFE_CLOSE(fd);
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TEST(acct(TEST_TMPFILE));
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if (TST_RET == -1)
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tst_brk(TBROK | TTERRNO, "acct failed unexpectedly");
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/* turn off acct, so we are in a known state */
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TEST(acct(NULL));
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if (TST_RET == -1)
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tst_brk(TBROK | TTERRNO, "acct(NULL) failed");
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/* ELOOP SETTING */
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SAFE_SYMLINK(TEST_ELOOP, "test_file_eloop2");
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SAFE_SYMLINK("test_file_eloop2", TEST_ELOOP);
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/* ENAMETOOLONG SETTING */
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memset(nametoolong, 'a', PATH_MAX+1);
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}
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static void verify_acct(unsigned int nr)
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{
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struct test_case *tcase = &tcases[nr];
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if (tcase->setupfunc)
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tcase->setupfunc();
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TEST(acct(tcase->filename));
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if (tcase->cleanfunc)
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tcase->cleanfunc();
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if (TST_RET != -1) {
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tst_res(TFAIL, "acct(%s) succeeded unexpectedly",
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tcase->filename);
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return;
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}
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if (TST_ERR == tcase->exp_errno) {
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tst_res(TPASS | TTERRNO, "acct() failed as expected");
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} else {
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tst_res(TFAIL | TTERRNO,
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"acct() failed, expected: %s",
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tst_strerrno(tcase->exp_errno));
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}
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}
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static struct tst_test test = {
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.needs_root = 1,
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.mntpoint = "mntpoint",
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.needs_rofs = 1,
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.tcnt = ARRAY_SIZE(tcases),
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.setup = setup,
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.test = verify_acct,
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};
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