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      1 /*
      2 * Copyright (c) 2016 Fujitsu Ltd.
      3 * Author: Xiao Yang <yangx.jy (at) cn.fujitsu.com>
      4 *
      5 * This program is free software; you can redistribute it and/or modify it
      6 * under the terms of version 2 of the GNU General Public License as
      7 * published by the Free Software Foundation.
      8 *
      9 * This program is distributed in the hope that it would be useful, but
     10 * WITHOUT ANY WARRANTY; without even the implied warranty of
     11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
     12 *
     13 * You should have received a copy of the GNU General Public License
     14 * alone with this program.
     15 */
     16 
     17 /*
     18 * Test Name: removexattr02
     19 *
     20 * Description:
     21 * 1) removexattr(2) fails if the named attribute does not exist.
     22 * 2) removexattr(2) fails if path is an empty string.
     23 * 3) removexattr(2) fails when attempted to read from a invalid address.
     24 *
     25 * Expected Result:
     26 * 1) removexattr(2) should return -1 and set errno to ENODATA.
     27 * 2) removcxattr(2) should return -1 and set errno to ENOENT.
     28 * 3) removexattr(2) should return -1 and set errno to EFAULT.
     29 */
     30 
     31 #include "config.h"
     32 #include <errno.h>
     33 #include <sys/types.h>
     34 
     35 #ifdef HAVE_SYS_XATTR_H
     36 # include <sys/xattr.h>
     37 #endif
     38 
     39 #include "test.h"
     40 #include "safe_macros.h"
     41 
     42 char *TCID = "removexattr02";
     43 
     44 #ifdef HAVE_SYS_XATTR_H
     45 
     46 static struct test_case {
     47 	const char *path;
     48 	char *name;
     49 	int exp_err;
     50 } tc[] = {
     51 	/* test1 */
     52 	{"testfile", "user.test", ENODATA},
     53 	/* test2 */
     54 	{"", "user.test", ENOENT},
     55 	/* test3 */
     56 	{(char *)-1, "user.test", EFAULT}
     57 };
     58 
     59 static void verify_removexattr(struct test_case *tc);
     60 static void setup(void);
     61 static void cleanup(void);
     62 
     63 int TST_TOTAL = ARRAY_SIZE(tc);
     64 
     65 int main(int ac, char **av)
     66 {
     67 	int lc;
     68 	int i;
     69 
     70 	tst_parse_opts(ac, av, NULL, NULL);
     71 
     72 	setup();
     73 
     74 	for (lc = 0; TEST_LOOPING(lc); lc++) {
     75 		tst_count = 0;
     76 		for (i = 0; i < TST_TOTAL; i++)
     77 			verify_removexattr(&tc[i]);
     78 	}
     79 
     80 	cleanup();
     81 	tst_exit();
     82 }
     83 
     84 static void verify_removexattr(struct test_case *tc)
     85 {
     86 
     87 	TEST(removexattr(tc->path, tc->name));
     88 	if (TEST_RETURN == -1 && TEST_ERRNO == ENOTSUP) {
     89 		tst_brkm(TCONF, cleanup, "No xattr support in fs or "
     90 			 "mount without user_xattr option");
     91 	}
     92 
     93 	if (TEST_RETURN != -1) {
     94 		tst_resm(TFAIL, "removexattr() succeeded unexpectedly");
     95 		return;
     96 	}
     97 
     98 	if (TEST_ERRNO != tc->exp_err) {
     99 		tst_resm(TFAIL | TTERRNO, "removexattr() failed unexpectedly,"
    100 			 " expected %s", tst_strerrno(tc->exp_err));
    101 	} else {
    102 		tst_resm(TPASS | TTERRNO,
    103 			 "removexattr() failed as expected");
    104 	}
    105 }
    106 
    107 static void setup(void)
    108 {
    109 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
    110 
    111 	TEST_PAUSE;
    112 
    113 	tst_tmpdir();
    114 
    115 	SAFE_TOUCH(cleanup, "testfile", 0644, NULL);
    116 }
    117 
    118 static void cleanup(void)
    119 {
    120 	tst_rmdir();
    121 }
    122 
    123 #else /* HAVE_SYS_XATTR_H */
    124 int main(int ac, char **av)
    125 {
    126 	tst_brkm(TCONF, NULL, "<sys/xattr.h> does not exist.");
    127 }
    128 #endif
    129