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t_ro.c revision 1.6
      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
     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 }
    204