tests/fs/vfs/t_ro.c

   1 /*      $NetBSD: t_ro.c,v 1.5 2011/02/22 21:23:19 yamt 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
  53 nullgen(const atf_tc_t *tc, const char *mp)
  54 {
  55
  56         return;
  57 }
  58
  59 static void
  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
  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
  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
  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
 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
 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
 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
 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
 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
 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 }