1/*
2 * Copyright (c) 2000 Silicon Graphics, Inc.  All Rights Reserved.
3 *    AUTHOR		: Bill Branum
4 *    CO-PILOT		: Steve Shaw
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of version 2 of the GNU General Public License as
8 * published by the Free Software Foundation.
9 *
10 * This program is distributed in the hope that it would be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
13 *
14 * Further, this software is distributed without any warranty that it is
15 * free of the rightful claim of any third person regarding infringement
16 * or the like.  Any license provided herein, whether implied or
17 * otherwise, applies only to this software file.  Patent licenses, if
18 * any, provided herein do not apply to combinations of this program with
19 * other software, or any other product whatsoever.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write the Free Software Foundation, Inc.,
23 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
24 *
25 * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
26 * Mountain View, CA  94043, or:
27 *
28 * http://www.sgi.com
29 *
30 * For further information regarding this notice, see:
31 *
32 * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
33 *
34 */
35 /*
36  * TEST CASES
37  *  rmdir(2) test for errno(s) EINVAL, EMLINK, EFAULT
38  */
39
40#include <errno.h>
41#include <signal.h>
42#include <sys/types.h>
43#include <sys/stat.h>
44#include <sys/mman.h>
45#include <stdlib.h>
46#include <string.h>
47#include "test.h"
48
49static void setup(void);
50static void cleanup(void);
51
52#if !defined(UCLINUX)
53extern char *get_high_address();
54int TST_TOTAL = 6;
55#else
56int TST_TOTAL = 4;
57#endif
58
59char *TCID = "rmdir05";
60
61static struct stat stat_buf;
62static char dir_name[256];
63
64static char *bad_addr = NULL;
65
66int main(int argc, char **argv)
67{
68	int lc;
69
70	tst_parse_opts(argc, argv, NULL, NULL);
71
72	setup();
73
74	for (lc = 0; TEST_LOOPING(lc); lc++) {
75		tst_count = 0;
76
77		/*
78		 * TEST CASE: 1
79		 * path points to the current directory
80		 */
81		TEST(rmdir("."));
82
83		if (TEST_RETURN == -1) {
84			if (TEST_ERRNO & (EBUSY | ENOTEMPTY)) {
85				/* For functionality tests, verify that the
86				 * directory wasn't removed.
87				 */
88				if (stat(".", &stat_buf) == -1) {
89					tst_resm(TFAIL,
90						 "rmdir(\".\") removed the current working directory when it should have failed.");
91				} else {
92					tst_resm(TPASS,
93						 "rmdir(\".\") failed to remove the current working directory. Returned %d : %s",
94						 TEST_ERRNO,
95						 strerror(TEST_ERRNO));
96				}
97			} else {
98				tst_resm(TFAIL,
99					 "rmdir(\".\") failed with errno %d : %s but expected %d (EBUSY)",
100					 TEST_ERRNO,
101					 strerror(TEST_ERRNO), EBUSY);
102			}
103		} else {
104			tst_resm(TFAIL,
105				 "rmdir(\".\") succeeded unexpectedly.");
106		}
107
108		/*
109		 * TEST CASE: 2
110		 * path points to the "." (dot) entry of a directory
111		 */
112		tst_resm(TCONF, "rmdir on \"dir/.\" supported on Linux");
113
114		tst_resm(TCONF,
115			 "linked directories test not implemented on Linux");
116
117		/*
118		 * TEST CASE: 4
119		 * path argument points below the minimum allocated address space
120		 */
121#if !defined(UCLINUX)
122		TEST(rmdir(bad_addr));
123
124		if (TEST_RETURN == -1) {
125		}
126
127		if (TEST_RETURN == -1) {
128			if (TEST_ERRNO == EFAULT) {
129				tst_resm(TPASS,
130					 "rmdir() - path argument points below the minimum allocated address space failed as expected with errno %d : %s",
131					 TEST_ERRNO,
132					 strerror(TEST_ERRNO));
133			} else {
134				tst_resm(TFAIL,
135					 "rmdir() - path argument points below the minimum allocated address space failed with errno %d : %s but expected %d (EFAULT)",
136					 TEST_ERRNO,
137					 strerror(TEST_ERRNO), EFAULT);
138			}
139		} else {
140			tst_resm(TFAIL,
141				 "rmdir() - path argument points below the minimum allocated address space succeeded unexpectedly.");
142		}
143
144		/*
145		 * TEST CASE: 5
146		 * path argument points above the maximum allocated address space
147		 */
148
149		TEST(rmdir(get_high_address()));
150
151		if (TEST_RETURN == -1) {
152		}
153
154		if (TEST_RETURN == -1) {
155			if (TEST_ERRNO == EFAULT) {
156				tst_resm(TPASS,
157					 "rmdir() - path argument points above the maximum allocated address space failed as expected with errno %d : %s",
158					 TEST_ERRNO,
159					 strerror(TEST_ERRNO));
160			} else {
161				tst_resm(TFAIL,
162					 "rmdir() - path argument points above the maximum allocated address space failed with errno %d : %s but expected %d (EFAULT)",
163					 TEST_ERRNO,
164					 strerror(TEST_ERRNO), EFAULT);
165			}
166		} else {
167			tst_resm(TFAIL,
168				 "rmdir() - path argument points above the maximum allocated address space succeeded unexpectedly.");
169		}
170#endif
171
172		/*
173		 * TEST CASE: 6
174		 * able to remove a directory
175		 */
176
177		if (mkdir(dir_name, 0777) != 0) {
178			tst_brkm(TBROK, cleanup,
179				 "mkdir(\"%s\") failed with errno %d : %s",
180				 dir_name, errno, strerror(errno));
181		}
182
183		TEST(rmdir(dir_name));
184
185		if (TEST_RETURN == -1) {
186			tst_resm(TFAIL,
187				 "rmdir(\"%s\") failed when it should have passed. Returned %d : %s",
188				 dir_name, TEST_ERRNO, strerror(TEST_ERRNO));
189		} else {
190			/* Verify the directory was removed. */
191			if (stat(dir_name, &stat_buf) != 0) {
192				tst_resm(TPASS,
193					 "rmdir(\"%s\") removed the directory as expected.",
194					 dir_name);
195			} else {
196				tst_resm(TFAIL,
197					 "rmdir(\"%s\") returned a zero exit status but failed to remove the directory.",
198					 dir_name);
199			}
200		}
201
202	}
203
204	cleanup();
205	tst_exit();
206}
207
208void setup(void)
209{
210	tst_sig(FORK, DEF_HANDLER, cleanup);
211
212	TEST_PAUSE;
213
214	tst_tmpdir();
215
216	/* Create a directory. */
217	if (mkdir("dir1", 0777) == -1) {
218		tst_brkm(TBROK, cleanup, "mkdir() failed to create dir1.");
219	}
220
221	/* Create a unique directory name. */
222	sprintf(dir_name, "./dir_%d", getpid());
223
224#if !defined(UCLINUX)
225	bad_addr = mmap(0, 1, PROT_NONE,
226			MAP_PRIVATE_EXCEPT_UCLINUX | MAP_ANONYMOUS, 0, 0);
227	if (bad_addr == MAP_FAILED) {
228		tst_brkm(TBROK, cleanup, "mmap failed");
229	}
230#endif
231}
232
233void cleanup(void)
234{
235	tst_rmdir();
236}
237