xref: /netbsd/tests/fs/vfs/t_ro.c (revision 6550d01e)
1 /*	$NetBSD: t_ro.c,v 1.4 2011/01/31 18:53:29 njoly Exp $	*/
2 
3 /*-
4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #include <sys/stat.h>
30 #include <sys/statvfs.h>
31 
32 #include <atf-c.h>
33 #include <fcntl.h>
34 #include <libgen.h>
35 #include <stdlib.h>
36 #include <unistd.h>
37 
38 #include <rump/rump_syscalls.h>
39 #include <rump/rump.h>
40 
41 #include "../common/h_fsmacros.h"
42 #include "../../h_macros.h"
43 
44 #define AFILE "testfile"
45 #define FUNTEXT "this is some non-humppa text"
46 #define FUNSIZE (sizeof(FUNTEXT)-1)
47 
48 static void
49 nullgen(const atf_tc_t *tc, const char *mp)
50 {
51 
52 	return;
53 }
54 
55 static void
56 filegen(const atf_tc_t *tc, const char *mp)
57 {
58 	int fd;
59 
60 	FSTEST_ENTER();
61 	RL(fd = rump_sys_open(AFILE, O_CREAT | O_RDWR, 0777));
62 	ATF_REQUIRE_EQ(rump_sys_write(fd, FUNTEXT, FUNSIZE), FUNSIZE);
63 	RL(rump_sys_close(fd));
64 	FSTEST_EXIT();
65 }
66 
67 /*
68  *
69  * BEGIN tests
70  *
71  */
72 
73 static void
74 create(const atf_tc_t *tc, const char *mp)
75 {
76 
77 	FSTEST_ENTER();
78 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_open(AFILE, O_CREAT|O_RDONLY) == -1);
79 	FSTEST_EXIT();
80 }
81 
82 static void
83 rmfile(const atf_tc_t *tc, const char *mp)
84 {
85 
86 	FSTEST_ENTER();
87 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_unlink(AFILE) == -1);
88 	FSTEST_EXIT();
89 }
90 
91 static void
92 fileio(const atf_tc_t *tc, const char *mp)
93 {
94 	int fd;
95 	char buf[FUNSIZE+1];
96 	int expected;
97 
98 	if (FSTYPE_NFSRO(tc))
99 		expected = EACCES;
100 	else
101 		expected = EROFS;
102 
103 	FSTEST_ENTER();
104 	RL(fd = rump_sys_open(AFILE, O_RDONLY));
105 	ATF_REQUIRE_EQ(rump_sys_read(fd, buf, FUNSIZE), FUNSIZE);
106 	buf[FUNSIZE] = '\0';
107 	ATF_REQUIRE_STREQ(buf, FUNTEXT);
108 	RL(rump_sys_close(fd));
109 
110 	ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_WRONLY) == -1);
111 	ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_RDWR) == -1);
112 	FSTEST_EXIT();
113 }
114 
115 static void
116 attrs(const atf_tc_t *tc, const char *mp)
117 {
118 	struct timeval sometvs[2];
119 	struct stat sb;
120 	int fd;
121 
122 	FSTEST_ENTER();
123 
124 	RL(rump_sys_stat(AFILE, &sb));
125 
126 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_chmod(AFILE, 0775) == -1);
127 	if (!FSTYPE_MSDOS(tc))
128 		ATF_REQUIRE_ERRNO(EROFS, rump_sys_chown(AFILE, 1, 1) == -1);
129 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_utimes(AFILE, sometvs) == -1);
130 
131 	RL(fd = rump_sys_open(AFILE, O_RDONLY));
132 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchmod(fd, 0775) == -1);
133 	if (!FSTYPE_MSDOS(tc))
134 		ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchown(fd, 1, 1) == -1);
135 	ATF_REQUIRE_ERRNO(EROFS, rump_sys_futimes(fd, sometvs) == -1);
136 	RL(rump_sys_close(fd));
137 
138 	FSTEST_EXIT();
139 }
140 
141 ATF_TC_FSAPPLY_RO(create, "create file on r/o mount", nullgen);
142 ATF_TC_FSAPPLY_RO(rmfile, "remove file from r/o mount", filegen);
143 ATF_TC_FSAPPLY_RO(fileio, "can read a file but not write it", filegen);
144 ATF_TC_FSAPPLY_RO(attrs, "can query but not change attributes", filegen);
145 
146 ATF_TP_ADD_TCS(tp)
147 {
148 
149 	ATF_TP_FSAPPLY_RO(create);
150 	ATF_TP_FSAPPLY_RO(rmfile);
151 	ATF_TP_FSAPPLY_RO(fileio);
152 	ATF_TP_FSAPPLY_RO(attrs);
153 
154 	return atf_no_error();
155 }
156