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1 /*
2  *
3  *   Copyright (c) International Business Machines  Corp., 2001
4  *
5  *   This program is free software;  you can redistribute it and/or modify
6  *   it under the terms of the GNU General Public License as published by
7  *   the Free Software Foundation; either version 2 of the License, or
8  *   (at your option) any later version.
9  *
10  *   This program is distributed in the hope that it will be useful,
11  *   but WITHOUT ANY WARRANTY;  without even the implied warranty of
12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See
13  *   the GNU General Public License for more details.
14  *
15  *   You should have received a copy of the GNU General Public License
16  *   along with this program;  if not, write to the Free Software
17  *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18  */
19 
20 /*
21  * Test Name: chown05
22  *
23  * Test Description:
24  *  Verify that, chown(2) succeeds to change the owner and group of a file
25  *  specified by path to any numeric owner(uid)/group(gid) values when invoked
26  *  by super-user.
27  *
28  * Expected Result:
29  *  chown(2) should return 0 and the ownership set on the file should match
30  *  the numeric values contained in owner and group respectively.
31  *
32  * Algorithm:
33  *  Setup:
34  *   Setup signal handling.
35  *   Create temporary directory.
36  *   Pause for SIGUSR1 if option specified.
37  *
38  *  Test:
39  *   Loop if the proper options are given.
40  *   Execute system call
41  *   Check return code, if system call failed (return=-1)
42  *   	Log the errno and Issue a FAIL message.
43  *   Otherwise,
44  *   	Verify the Functionality of system call
45  *      if successful,
46  *      	Issue Functionality-Pass message.
47  *      Otherwise,
48  *		Issue Functionality-Fail message.
49  *  Cleanup:
50  *   Print errno log and/or timing stats if options given
51  *   Delete the temporary directory created.
52  *
53  * Usage:  <for command-line>
54  *  chown05 [-c n] [-e] [-f] [-i n] [-I x] [-P x] [-t]
55  *     where,  -c n : Run n copies concurrently.
56  *             -e   : Turn on errno logging.
57  *             -f   : Turn off functionality Testing.
58  *	       -i n : Execute test n times.
59  *	       -I x : Execute test for x seconds.
60  *	       -P x : Pause for x seconds between iterations.
61  *	       -t   : Turn on syscall timing.
62  *
63  * HISTORY
64  *	07/2001 Ported by Wayne Boyer
65  *
66  * RESTRICTIONS:
67  *  This test should be run by 'super-user' (root) only.
68  */
69 
70 #include <stdio.h>
71 #include <sys/types.h>
72 #include <sys/stat.h>
73 #include <fcntl.h>
74 #include <errno.h>
75 #include <string.h>
76 #include <signal.h>
77 
78 #include "test.h"
79 #include "safe_macros.h"
80 #include "compat_16.h"
81 
82 #define FILE_MODE	(S_IFREG|S_IRUSR|S_IWUSR|S_IRGRP|S_IROTH)
83 #define TESTFILE	"testfile"
84 
85 TCID_DEFINE(chown05);
86 
87 struct test_case_t {
88 	uid_t user_id;
89 	gid_t group_id;
90 } test_cases[] = {
91 	{
92 	700, 701}, {
93 	702, -1}, {
94 	703, 701}, {
95 	-1, 704}, {
96 703, 705},};
97 
98 int TST_TOTAL = ARRAY_SIZE(test_cases);
99 
100 void setup();			/* setup function for the test */
101 void cleanup();			/* cleanup function for the test */
102 
main(int ac,char ** av)103 int main(int ac, char **av)
104 {
105 	struct stat stat_buf;	/* stat(2) struct contents */
106 	int lc;
107 	int i;
108 	uid_t user_id;		/* user id of the user set for testfile */
109 	gid_t group_id;		/* group id of the user set for testfile */
110 
111 	tst_parse_opts(ac, av, NULL, NULL);
112 
113 	setup();
114 
115 	for (lc = 0; TEST_LOOPING(lc); lc++) {
116 
117 		tst_count = 0;
118 
119 		for (i = 0; i < TST_TOTAL; i++) {
120 			user_id = test_cases[i].user_id;
121 			group_id = test_cases[i].group_id;
122 
123 			TEST(CHOWN(cleanup, TESTFILE, user_id, group_id));
124 
125 			if (TEST_RETURN == -1) {
126 				tst_resm(TFAIL | TTERRNO, "chown failed");
127 				continue;
128 			}
129 			if (stat(TESTFILE, &stat_buf) == -1)
130 				tst_brkm(TFAIL, cleanup, "stat failed");
131 			if (user_id == -1)
132 				user_id = test_cases[i - 1].user_id;
133 			if (group_id == -1)
134 				group_id = test_cases[i - 1].group_id;
135 
136 			if (stat_buf.st_uid != user_id ||
137 			    stat_buf.st_gid != group_id)
138 				tst_resm(TFAIL, "%s: incorrect "
139 					 "ownership set, Expected %d "
140 					 "%d", TESTFILE, user_id,
141 					 group_id);
142 			else
143 				tst_resm(TPASS, "chown succeeded");
144 		}
145 	}
146 
147 	cleanup();
148 	tst_exit();
149 }
150 
setup(void)151 void setup(void)
152 {
153 	int fd;
154 
155 	tst_sig(NOFORK, DEF_HANDLER, cleanup);
156 
157 	tst_require_root();
158 
159 	TEST_PAUSE;
160 
161 	tst_tmpdir();
162 
163 	if ((fd = open(TESTFILE, O_RDWR | O_CREAT, FILE_MODE)) == -1)
164 		tst_brkm(TBROK | TERRNO, cleanup, "opening %s failed",
165 			 TESTFILE);
166 	SAFE_CLOSE(cleanup, fd);
167 
168 }
169 
cleanup(void)170 void cleanup(void)
171 {
172 	tst_rmdir();
173 }
174