110 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /*
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|  * Copyright (c) Linux Test Project, 2009-2021
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|  * Copyright (c) 2016 Oracle and/or its affiliates. All Rights Reserved.
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|  * Copyright (c) International Business Machines  Corp., 2006
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|  * Author: Yi Yang <yyangcdl@cn.ibm.com>
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|  */
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| 
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| /*\
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|  * [Description]
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|  * Basic unlinkat() test.
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|  */
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| 
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| #include "tst_test.h"
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| #include "lapi/syscalls.h"
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| #include "tst_safe_stdio.h"
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| #include "lapi/fcntl.h"
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| 
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| static const char pathname[] = "unlinkattestdir",
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| 		  subpathname[] = "unlinkatsubtestdir",
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| 		  subpathdir[] = "unlinkattestdir/unlinkatsubtestdir",
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| 		  testfile[] = "unlinkattestfile.txt",
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| 		  testfile2[] = "unlinkattestdir/unlinkattestfile.txt";
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| 
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| static char *testfile3;
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| 
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| static int fd;
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| static int getfd(int i)
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| {
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| 	if (i == 2)
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| 		fd = SAFE_OPEN(testfile3, O_CREAT | O_RDWR, 0600);
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| 	else
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| 		fd = SAFE_OPEN(pathname, O_DIRECTORY);
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| 
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| 	return fd;
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| }
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| 
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| static struct tcase {
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| 	int fd;
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| 	const char *filename;
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| 	int flag;
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| 	int exp_errno;
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| } tc[] = {
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| 	{0, testfile, 0, 0},
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| 	{0, NULL, 0, 0},
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| 	{0, testfile, 0, ENOTDIR},
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| 	{100, testfile, 0, EBADF},
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| 	{0, testfile, 9999, EINVAL},
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| 	{AT_FDCWD, testfile, 0, 0},
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| 	{0, subpathname, AT_REMOVEDIR, 0},
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| };
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| 
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| static void run(unsigned int i)
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| {
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| 	/* tesfile2 will be unlinked by test0. */
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| 	if (access(testfile2, F_OK))
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| 		SAFE_FILE_PRINTF(testfile2, testfile2);
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| 
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| 	/* testfile3 will be unlined by test1. */
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| 	if (access(testfile3, F_OK))
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| 		SAFE_OPEN(testfile3, O_CREAT | O_RDWR, 0600);
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| 
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| 	/* subpathdir will be unlinked by test6. */
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| 	if (access(subpathdir, F_OK))
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| 		SAFE_MKDIR(subpathdir, 0700);
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| 
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| 	/* testfile must exist except test1 and test6. */
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| 	if (access(testfile, F_OK))
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| 		SAFE_FILE_PRINTF(testfile, testfile);
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| 
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| 	if (tc[i].fd)
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| 		TEST(unlinkat(tc[i].fd, tc[i].filename, tc[i].flag));
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| 	else
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| 		TEST(unlinkat(getfd(i), tc[i].filename, tc[i].flag));
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| 
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| 	if (TST_ERR == tc[i].exp_errno)
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| 		tst_res(TPASS | TTERRNO, "unlinkat() returned expected errno");
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| 	else
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| 		tst_res(TFAIL | TTERRNO, "unlinkat() failed");
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| 
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| 	if (!tc[i].fd)
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| 		SAFE_CLOSE(fd);
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| }
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| 
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| static void setup(void)
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| {
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| 	char buf[PATH_MAX];
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| 	SAFE_GETCWD(buf, PATH_MAX);
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| 	SAFE_ASPRINTF(&testfile3, "%s/unlinkatfile3.txt", buf);
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| 	tc[1].filename = testfile3;
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| 
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| 	SAFE_MKDIR(pathname, 0700);
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| }
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| 
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| static void cleanup(void)
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| {
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| 	SAFE_UNLINK(testfile);
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| 	SAFE_UNLINK(testfile2);
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| 	SAFE_RMDIR(pathname);
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| }
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| 
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| static struct tst_test test = {
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| 	.needs_tmpdir = 1,
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| 	.tcnt = ARRAY_SIZE(tc),
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| 	.min_kver = "2.6.16",
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| 	.setup = setup,
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| 	.test = run,
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| 	.cleanup = cleanup,
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| };
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