1 /* $NetBSD: t_ro.c,v 1.8 2019/09/21 14:25:42 kre 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 ADIR "testdir"
46 #define AFIFO "testfifo"
47 #define ASYMLINK "testsymlink"
48 #define ALINK "testlink"
49 #define FUNTEXT "this is some non-humppa text"
50 #define FUNSIZE (sizeof(FUNTEXT)-1)
51
52 static void
nullgen(const atf_tc_t * tc,const char * mp)53 nullgen(const atf_tc_t *tc, const char *mp)
54 {
55
56 return;
57 }
58
59 static void
filegen(const atf_tc_t * tc,const char * mp)60 filegen(const atf_tc_t *tc, const char *mp)
61 {
62 int fd;
63
64 FSTEST_ENTER();
65 RL(fd = rump_sys_open(AFILE, O_CREAT | O_RDWR, 0777));
66 ATF_REQUIRE_EQ(rump_sys_write(fd, FUNTEXT, FUNSIZE), FUNSIZE);
67 RL(rump_sys_close(fd));
68 FSTEST_EXIT();
69 }
70
71 /*
72 *
73 * BEGIN tests
74 *
75 */
76
77 static void
create(const atf_tc_t * tc,const char * mp)78 create(const atf_tc_t *tc, const char *mp)
79 {
80
81 FSTEST_ENTER();
82 ATF_REQUIRE_ERRNO(EROFS, rump_sys_open(AFILE, O_CREAT|O_RDONLY,
83 0600) == -1);
84 FSTEST_EXIT();
85 }
86
87 static void
rmfile(const atf_tc_t * tc,const char * mp)88 rmfile(const atf_tc_t *tc, const char *mp)
89 {
90
91 FSTEST_ENTER();
92 ATF_REQUIRE_ERRNO(EROFS, rump_sys_unlink(AFILE) == -1);
93 FSTEST_EXIT();
94 }
95
96 static void
fileio(const atf_tc_t * tc,const char * mp)97 fileio(const atf_tc_t *tc, const char *mp)
98 {
99 int fd;
100 char buf[FUNSIZE+1];
101 int expected;
102
103 if (FSTYPE_NFSRO(tc))
104 expected = EACCES;
105 else
106 expected = EROFS;
107
108 FSTEST_ENTER();
109 RL(fd = rump_sys_open(AFILE, O_RDONLY));
110 ATF_REQUIRE_EQ(rump_sys_read(fd, buf, FUNSIZE), FUNSIZE);
111 buf[FUNSIZE] = '\0';
112 ATF_REQUIRE_STREQ(buf, FUNTEXT);
113 RL(rump_sys_close(fd));
114
115 ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_WRONLY) == -1);
116 ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_RDWR) == -1);
117 FSTEST_EXIT();
118 }
119
120 static void
attrs(const atf_tc_t * tc,const char * mp)121 attrs(const atf_tc_t *tc, const char *mp)
122 {
123 struct timeval sometvs[2] = { {0,0}, {0,0} };
124 struct stat sb;
125 int fd;
126
127 FSTEST_ENTER();
128
129 RL(rump_sys_stat(AFILE, &sb));
130
131 ATF_REQUIRE_ERRNO(EROFS, rump_sys_chmod(AFILE, 0775) == -1);
132 if (!FSTYPE_MSDOS(tc))
133 ATF_REQUIRE_ERRNO(EROFS, rump_sys_chown(AFILE, 1, 1) == -1);
134 ATF_REQUIRE_ERRNO(EROFS, rump_sys_utimes(AFILE, sometvs) == -1);
135
136 RL(fd = rump_sys_open(AFILE, O_RDONLY));
137 ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchmod(fd, 0775) == -1);
138 if (!FSTYPE_MSDOS(tc))
139 ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchown(fd, 1, 1) == -1);
140 ATF_REQUIRE_ERRNO(EROFS, rump_sys_futimes(fd, sometvs) == -1);
141 RL(rump_sys_close(fd));
142
143 FSTEST_EXIT();
144 }
145
146 static void
createdir(const atf_tc_t * tc,const char * mp)147 createdir(const atf_tc_t *tc, const char *mp)
148 {
149
150 FSTEST_ENTER();
151 ATF_REQUIRE_ERRNO(EROFS, rump_sys_mkdir(ADIR, 0775) == -1);
152 FSTEST_EXIT();
153 }
154
155 static void
createfifo(const atf_tc_t * tc,const char * mp)156 createfifo(const atf_tc_t *tc, const char *mp)
157 {
158
159 FSTEST_ENTER();
160 ATF_REQUIRE_ERRNO(EROFS, rump_sys_mkfifo(AFIFO, 0775) == -1);
161 FSTEST_EXIT();
162 }
163
164 static void
createsymlink(const atf_tc_t * tc,const char * mp)165 createsymlink(const atf_tc_t *tc, const char *mp)
166 {
167
168 FSTEST_ENTER();
169 ATF_REQUIRE_ERRNO(EROFS, rump_sys_symlink("hoge", ASYMLINK) == -1);
170 FSTEST_EXIT();
171 }
172
173 static void
createlink(const atf_tc_t * tc,const char * mp)174 createlink(const atf_tc_t *tc, const char *mp)
175 {
176
177 FSTEST_ENTER();
178 ATF_REQUIRE_ERRNO(EROFS, rump_sys_link(AFILE, ALINK) == -1);
179 FSTEST_EXIT();
180 }
181
182 ATF_TC_FSAPPLY_RO(create, "create file on r/o mount", nullgen);
183 ATF_TC_FSAPPLY_RO(rmfile, "remove file from r/o mount", filegen);
184 ATF_TC_FSAPPLY_RO(fileio, "can read a file but not write it", filegen);
185 ATF_TC_FSAPPLY_RO(attrs, "can query but not change attributes", filegen);
186 ATF_TC_FSAPPLY_RO(createdir, "create directory on r/o mount", nullgen);
187 ATF_TC_FSAPPLY_RO(createfifo, "create fifo on r/o mount", nullgen);
188 ATF_TC_FSAPPLY_RO(createsymlink, "create symlink on r/o mount", nullgen);
189 ATF_TC_FSAPPLY_RO(createlink, "create hardlink on r/o mount", filegen);
190
ATF_TP_ADD_TCS(tp)191 ATF_TP_ADD_TCS(tp)
192 {
193
194 ATF_TP_FSAPPLY_RO(create);
195 ATF_TP_FSAPPLY_RO(rmfile);
196 ATF_TP_FSAPPLY_RO(fileio);
197 ATF_TP_FSAPPLY_RO(attrs);
198 ATF_TP_FSAPPLY_RO(createdir);
199 ATF_TP_FSAPPLY_RO(createfifo);
200 ATF_TP_FSAPPLY_RO(createsymlink);
201 ATF_TP_FSAPPLY_RO(createlink);
202
203 return atf_no_error();
204 }
205