1 /* $NetBSD: t_ro.c,v 1.6 2017/01/13 21:30:40 christos 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) == -1);
83 FSTEST_EXIT();
84 }
85
86 static void
rmfile(const atf_tc_t * tc,const char * mp)87 rmfile(const atf_tc_t *tc, const char *mp)
88 {
89
90 FSTEST_ENTER();
91 ATF_REQUIRE_ERRNO(EROFS, rump_sys_unlink(AFILE) == -1);
92 FSTEST_EXIT();
93 }
94
95 static void
fileio(const atf_tc_t * tc,const char * mp)96 fileio(const atf_tc_t *tc, const char *mp)
97 {
98 int fd;
99 char buf[FUNSIZE+1];
100 int expected;
101
102 if (FSTYPE_NFSRO(tc))
103 expected = EACCES;
104 else
105 expected = EROFS;
106
107 FSTEST_ENTER();
108 RL(fd = rump_sys_open(AFILE, O_RDONLY));
109 ATF_REQUIRE_EQ(rump_sys_read(fd, buf, FUNSIZE), FUNSIZE);
110 buf[FUNSIZE] = '\0';
111 ATF_REQUIRE_STREQ(buf, FUNTEXT);
112 RL(rump_sys_close(fd));
113
114 ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_WRONLY) == -1);
115 ATF_REQUIRE_ERRNO(expected, rump_sys_open(AFILE, O_RDWR) == -1);
116 FSTEST_EXIT();
117 }
118
119 static void
attrs(const atf_tc_t * tc,const char * mp)120 attrs(const atf_tc_t *tc, const char *mp)
121 {
122 struct timeval sometvs[2];
123 struct stat sb;
124 int fd;
125
126 FSTEST_ENTER();
127
128 RL(rump_sys_stat(AFILE, &sb));
129
130 ATF_REQUIRE_ERRNO(EROFS, rump_sys_chmod(AFILE, 0775) == -1);
131 if (!FSTYPE_MSDOS(tc))
132 ATF_REQUIRE_ERRNO(EROFS, rump_sys_chown(AFILE, 1, 1) == -1);
133 ATF_REQUIRE_ERRNO(EROFS, rump_sys_utimes(AFILE, sometvs) == -1);
134
135 RL(fd = rump_sys_open(AFILE, O_RDONLY));
136 ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchmod(fd, 0775) == -1);
137 if (!FSTYPE_MSDOS(tc))
138 ATF_REQUIRE_ERRNO(EROFS, rump_sys_fchown(fd, 1, 1) == -1);
139 ATF_REQUIRE_ERRNO(EROFS, rump_sys_futimes(fd, sometvs) == -1);
140 RL(rump_sys_close(fd));
141
142 FSTEST_EXIT();
143 }
144
145 static void
createdir(const atf_tc_t * tc,const char * mp)146 createdir(const atf_tc_t *tc, const char *mp)
147 {
148
149 FSTEST_ENTER();
150 ATF_REQUIRE_ERRNO(EROFS, rump_sys_mkdir(ADIR, 0775) == -1);
151 FSTEST_EXIT();
152 }
153
154 static void
createfifo(const atf_tc_t * tc,const char * mp)155 createfifo(const atf_tc_t *tc, const char *mp)
156 {
157
158 FSTEST_ENTER();
159 ATF_REQUIRE_ERRNO(EROFS, rump_sys_mkfifo(AFIFO, 0775) == -1);
160 FSTEST_EXIT();
161 }
162
163 static void
createsymlink(const atf_tc_t * tc,const char * mp)164 createsymlink(const atf_tc_t *tc, const char *mp)
165 {
166
167 FSTEST_ENTER();
168 ATF_REQUIRE_ERRNO(EROFS, rump_sys_symlink("hoge", ASYMLINK) == -1);
169 FSTEST_EXIT();
170 }
171
172 static void
createlink(const atf_tc_t * tc,const char * mp)173 createlink(const atf_tc_t *tc, const char *mp)
174 {
175
176 FSTEST_ENTER();
177 ATF_REQUIRE_ERRNO(EROFS, rump_sys_link(AFILE, ALINK) == -1);
178 FSTEST_EXIT();
179 }
180
181 ATF_TC_FSAPPLY_RO(create, "create file on r/o mount", nullgen);
182 ATF_TC_FSAPPLY_RO(rmfile, "remove file from r/o mount", filegen);
183 ATF_TC_FSAPPLY_RO(fileio, "can read a file but not write it", filegen);
184 ATF_TC_FSAPPLY_RO(attrs, "can query but not change attributes", filegen);
185 ATF_TC_FSAPPLY_RO(createdir, "create directory on r/o mount", nullgen);
186 ATF_TC_FSAPPLY_RO(createfifo, "create fifo on r/o mount", nullgen);
187 ATF_TC_FSAPPLY_RO(createsymlink, "create symlink on r/o mount", nullgen);
188 ATF_TC_FSAPPLY_RO(createlink, "create hardlink on r/o mount", filegen);
189
ATF_TP_ADD_TCS(tp)190 ATF_TP_ADD_TCS(tp)
191 {
192
193 ATF_TP_FSAPPLY_RO(create);
194 ATF_TP_FSAPPLY_RO(rmfile);
195 ATF_TP_FSAPPLY_RO(fileio);
196 ATF_TP_FSAPPLY_RO(attrs);
197 ATF_TP_FSAPPLY_RO(createdir);
198 ATF_TP_FSAPPLY_RO(createfifo);
199 ATF_TP_FSAPPLY_RO(createsymlink);
200 ATF_TP_FSAPPLY_RO(createlink);
201
202 return atf_no_error();
203 }
204