97 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.1 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
 | |
| /*
 | |
| * Copyright (c) 2016 Fujitsu Ltd.
 | |
| * Author: Jinbao Huang <huangjb.jy@cn.fujitsu.com>
 | |
| */
 | |
| 
 | |
| /*
 | |
| * Test Name: lgetxattr02
 | |
| *
 | |
| * Description:
 | |
| * 1) lgetxattr(2) fails if the named attribute does not exist.
 | |
| * 2) lgetxattr(2) fails if the size of the value buffer is too small
 | |
| *    to hold the result.
 | |
| * 3) lgetxattr(2) fails when attemptes to read from a invalid address.
 | |
| *
 | |
| * Expected Result:
 | |
| * 1) lgetxattr(2) should return -1 and set errno to ENODATA.
 | |
| * 2) lgetxattr(2) should return -1 and set errno to ERANGE.
 | |
| * 3) lgetxattr(2) should return -1 and set errno to EFAULT.
 | |
| */
 | |
| 
 | |
| #include "config.h"
 | |
| #include <errno.h>
 | |
| #include <sys/types.h>
 | |
| #include <string.h>
 | |
| 
 | |
| #ifdef HAVE_SYS_XATTR_H
 | |
| # include <sys/xattr.h>
 | |
| #endif
 | |
| 
 | |
| #include "tst_test.h"
 | |
| 
 | |
| #ifdef HAVE_SYS_XATTR_H
 | |
| 
 | |
| #define SECURITY_KEY	"security.ltptest"
 | |
| #define VALUE	"this is a test value"
 | |
| 
 | |
| static struct test_case {
 | |
| 	const char *path;
 | |
| 	size_t size;
 | |
| 	int exp_err;
 | |
| } tcase[] = {
 | |
| 	{"testfile", sizeof(VALUE), ENODATA},
 | |
| 	{"symlink", 1, ERANGE},
 | |
| 	{(char *)-1, sizeof(VALUE), EFAULT}
 | |
| };
 | |
| 
 | |
| static void verify_lgetxattr(unsigned int n)
 | |
| {
 | |
| 	struct test_case *tc = tcase + n;
 | |
| 	char buf[tc->size];
 | |
| 
 | |
| 	TEST(lgetxattr(tc->path, SECURITY_KEY, buf, sizeof(buf)));
 | |
| 	if (TST_RET != -1) {
 | |
| 		tst_res(TFAIL, "lgetxattr() succeeded unexpectedly");
 | |
| 		return;
 | |
| 	}
 | |
| 
 | |
| 	if (TST_ERR != tc->exp_err) {
 | |
| 		tst_res(TFAIL | TTERRNO, "lgetxattr() failed unexpectedlly, "
 | |
| 			"expected %s", tst_strerrno(tc->exp_err));
 | |
| 	} else {
 | |
| 		tst_res(TPASS | TTERRNO, "lgetxattr() failed as expected");
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static void setup(void)
 | |
| {
 | |
| 	int res;
 | |
| 
 | |
| 	SAFE_TOUCH("testfile", 0644, NULL);
 | |
| 	SAFE_SYMLINK("testfile", "symlink");
 | |
| 
 | |
| 	res = lsetxattr("symlink", SECURITY_KEY, VALUE, strlen(VALUE), XATTR_CREATE);
 | |
| 	if (res == -1) {
 | |
| 		if (errno == ENOTSUP) {
 | |
| 			tst_brk(TCONF, "no xattr support in fs or "
 | |
| 				"mounted without user_xattr option");
 | |
| 		} else {
 | |
| 			tst_brk(TBROK | TERRNO, "lsetxattr(%s) failed",
 | |
| 				SECURITY_KEY);
 | |
| 		}
 | |
| 	}
 | |
| }
 | |
| 
 | |
| static struct tst_test test = {
 | |
| 	.needs_tmpdir = 1,
 | |
| 	.needs_root = 1,
 | |
| 	.test = verify_lgetxattr,
 | |
| 	.tcnt = ARRAY_SIZE(tcase),
 | |
| 	.setup = setup
 | |
| };
 | |
| 
 | |
| #else /* HAVE_SYS_XATTR_H */
 | |
| 	TST_TEST_TCONF("<sys/xattr.h> does not exist.");
 | |
| #endif
 |