103 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			103 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
| // SPDX-License-Identifier: GPL-2.0-or-later
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| /* Copyright (c) International Business Machines  Corp., 2001
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|  *	07/2001 John George
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|  *		-Ported
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|  *
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|  *  Verify that, stat(2) succeeds to get the status of a file and fills the
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|  *  stat structure elements regardless of whether process has or doesn't
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|  *  have read access to the file.
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|  */
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| 
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| #include <sys/types.h>
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| #include <fcntl.h>
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| #include <sys/stat.h>
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| #include <errno.h>
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| #include <pwd.h>
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| #include "tst_test.h"
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| 
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| #define FILE_SIZE	 1024
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| #define TST_FILEREAD     "test_fileread"
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| #define TST_FILENOREAD   "test_filenoread"
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| #define READ_MODE        0666
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| #define NEW_MODE         0222
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| #define MASK             0777
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| 
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| uid_t user_id;
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| gid_t group_id;
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| struct passwd *ltpuser;
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| 
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| static struct tcase{
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| 	char *pathname;
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| 	unsigned int mode;
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| } TC[] = {
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| 	{TST_FILEREAD, READ_MODE},
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| 	{TST_FILENOREAD, NEW_MODE}
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| };
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| 
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| static void verify_stat(unsigned int n)
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| {
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| 	struct tcase *tc = TC + n;
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| 	struct stat stat_buf;
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| 	int fail = 0;
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| 
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| 	TEST(stat(tc->pathname, &stat_buf));
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| 
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| 	if (TST_RET == -1) {
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| 		tst_res(TFAIL | TTERRNO, "stat(%s) failed", tc->pathname);
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| 		return;
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| 	}
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| 
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| 	if (stat_buf.st_uid != user_id) {
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| 		tst_res(TFAIL, "stat_buf.st_uid = %i expected %i",
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| 			stat_buf.st_uid, user_id);
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| 		fail++;
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| 	}
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| 
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| 	if (stat_buf.st_gid != group_id) {
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| 		tst_res(TFAIL, "stat_buf.st_gid = %i expected %i",
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| 			stat_buf.st_gid, group_id);
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| 		fail++;
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| 	}
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| 
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| 	if (stat_buf.st_size != FILE_SIZE) {
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| 		tst_res(TFAIL, "stat_buf.st_size = %li expected %i",
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| 			(long)stat_buf.st_size, FILE_SIZE);
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| 		fail++;
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| 	}
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| 
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| 	if ((stat_buf.st_mode & MASK) != tc->mode) {
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| 		tst_res(TFAIL, "stat_buf.st_mode = %o expected %o",
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| 			(stat_buf.st_mode & MASK), tc->mode);
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| 		fail++;
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| 	}
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| 
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| 	if (!fail)
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| 		tst_res(TPASS, "stat(%s)", tc->pathname);
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| }
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| 
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| void setup(void)
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| {
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| 	unsigned int i;
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| 
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| 	ltpuser = SAFE_GETPWNAM("nobody");
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| 	SAFE_SETUID(ltpuser->pw_uid);
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| 
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| 	for (i = 0; i < ARRAY_SIZE(TC); i++) {
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| 		if (tst_fill_file(TC[i].pathname, 'a', 256, 4))
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| 			tst_brk(TBROK, "Failed to create tst file %s",
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| 				TC[i].pathname);
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| 		SAFE_CHMOD(TC[i].pathname, TC[i].mode);
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| 	}
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| 
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| 	user_id = getuid();
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| 	group_id = getgid();
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| }
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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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| 	.setup = setup,
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| 	.test = verify_stat,
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| 	.needs_root = 1,
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| 	.needs_tmpdir = 1,
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| };
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