1 /*	$NetBSD: fstest_msdosfs.c,v 1.3 2012/03/26 15:10:26 njoly Exp $	*/
2 
3 /*-
4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Nicolas Joly.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <sys/mount.h>
33 #include <sys/stat.h>
34 
35 #include <atf-c.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40 
41 #include <msdosfs/msdosfsmount.h>
42 
43 #include <rump/rump.h>
44 #include <rump/rump_syscalls.h>
45 
46 #include "h_fsmacros.h"
47 
48 struct msdosfstestargs {
49         struct msdosfs_args ta_uargs;
50         char ta_devpath[MAXPATHLEN];
51         char ta_imgpath[MAXPATHLEN];
52 };
53 
54 int
msdosfs_fstest_newfs(const atf_tc_t * tc,void ** buf,const char * image,off_t size,void * fspriv)55 msdosfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image,
56     off_t size, void *fspriv)
57 {
58 	char cmd[1024];
59 	int res;
60 	static unsigned int num = 0;
61 	struct msdosfstestargs *args;
62 
63 	size /= 512; size -= (size % 63);
64 	snprintf(cmd, 1024, "newfs_msdos -C %"PRId64"s %s >/dev/null",
65 	    size, image);
66 	res = system(cmd);
67 	if (res != 0)
68 		return res;
69 
70 	res = rump_init();
71 	if (res != 0)
72 		return res;
73 
74 	args = calloc(1, sizeof(*args));
75 	if (args == NULL)
76 		return -1;
77 
78 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.msdosfs", num);
79 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
80 	args->ta_uargs.fspec = args->ta_devpath;
81 	args->ta_uargs.mask = 0755;
82 
83 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
84 	if (res != 0) {
85 		free(args);
86 		return res;
87 	}
88 
89 	*buf = args;
90 	num++;
91 
92 	return 0;
93 }
94 
95 int
msdosfs_fstest_delfs(const atf_tc_t * tc,void * buf)96 msdosfs_fstest_delfs(const atf_tc_t *tc, void *buf)
97 {
98 	int res;
99 	struct msdosfstestargs *args = buf;
100 
101 	res = rump_pub_etfs_remove(args->ta_devpath);
102 	if (res != 0)
103 		return res;
104 
105 	res = unlink(args->ta_imgpath);
106 	if (res != 0)
107 		return res;
108 
109 	free(args);
110 
111 	return 0;
112 }
113 
114 int
msdosfs_fstest_mount(const atf_tc_t * tc,void * buf,const char * path,int flags)115 msdosfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
116 {
117 	int res;
118 	struct msdosfstestargs *args = buf;
119 
120 	res = rump_sys_mkdir(path, 0777);
121 	if (res == -1)
122 		return res;
123 
124 	res = rump_sys_mount(MOUNT_MSDOS, path, flags, &args->ta_uargs,
125 	    sizeof(args->ta_uargs));
126 	return res;
127 }
128 
129 int
msdosfs_fstest_unmount(const atf_tc_t * tc,const char * path,int flags)130 msdosfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
131 {
132 	int res;
133 
134 	res = rump_sys_unmount(path, flags);
135 	if (res == -1)
136 		return res;
137 
138 	res = rump_sys_rmdir(path);
139 	return res;
140 }
141