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      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
     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,
     83 	    0600) == -1);
     84 	FSTEST_EXIT();
     85 }
     86 
     87 static void
     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
     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
    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
    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
    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
    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
    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 
    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