1 /*	$NetBSD: fstest_ffs.c,v 1.6 2012/08/05 02:03:05 riastradh 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 #include <signal.h>
41 
42 #include <ufs/ufs/ufsmount.h>
43 
44 #include <rump/rump.h>
45 #include <rump/rump_syscalls.h>
46 
47 #include "h_fsmacros.h"
48 
49 struct ffstestargs {
50         struct ufs_args ta_uargs;
51         char ta_devpath[MAXPATHLEN];
52         char ta_imgpath[MAXPATHLEN];
53 };
54 
55 int
ffs_fstest_newfs(const atf_tc_t * tc,void ** buf,const char * image,off_t size,void * fspriv)56 ffs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
57 	void *fspriv)
58 {
59 	char cmd[1024];
60 	int res;
61 	static unsigned int num = 0;
62 	struct ffstestargs *args;
63 	struct sigaction act, oact;
64 
65 	size /= 512;
66 	snprintf(cmd, 1024, "newfs -F -s %"PRId64" %s >/dev/null", size, image);
67 	memset(&act, 0, sizeof(act));
68 	act.sa_handler = SIG_DFL;
69 	sigaction(SIGCHLD, &act, &oact);
70 	res = system(cmd);
71 	sigaction(SIGCHLD, &oact, NULL);
72 	if (res != 0)
73 		return res;
74 
75 	res = rump_init();
76 	if (res != 0)
77 		return res;
78 
79 	args = calloc(1, sizeof(*args));
80 	if (args == NULL)
81 		return -1;
82 
83 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.ffs", num);
84 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
85 	args->ta_uargs.fspec = args->ta_devpath;
86 
87 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
88 	if (res != 0) {
89 		free(args);
90 		return res;
91 	}
92 
93 	*buf = args;
94 	num++;
95 
96 	return 0;
97 }
98 __strong_alias(ffslog_fstest_newfs,ffs_fstest_newfs);
99 
100 int
ffs_fstest_delfs(const atf_tc_t * tc,void * buf)101 ffs_fstest_delfs(const atf_tc_t *tc, void *buf)
102 {
103 	int res;
104 	struct ffstestargs *args = buf;
105 
106 	res = rump_pub_etfs_remove(args->ta_devpath);
107 	if (res != 0) {
108 		errno = res;
109 		return -1;
110 	}
111 
112 	res = unlink(args->ta_imgpath);
113 	if (res != 0)
114 		return res;
115 
116 	free(args);
117 
118 	return 0;
119 }
120 __strong_alias(ffslog_fstest_delfs,ffs_fstest_delfs);
121 
122 int
ffs_fstest_mount(const atf_tc_t * tc,void * buf,const char * path,int flags)123 ffs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
124 {
125 	int res;
126 	struct ffstestargs *args = buf;
127 
128 	res = rump_sys_mkdir(path, 0777);
129 	if (res == -1)
130 		return res;
131 
132 	res = rump_sys_mount(MOUNT_FFS, path, flags, &args->ta_uargs,
133 	    sizeof(args->ta_uargs));
134 	return res;
135 }
136 
137 int
ffslog_fstest_mount(const atf_tc_t * tc,void * buf,const char * path,int flags)138 ffslog_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
139 {
140 
141 	return ffs_fstest_mount(tc, buf, path, flags | MNT_LOG);
142 }
143 
144 int
ffs_fstest_unmount(const atf_tc_t * tc,const char * path,int flags)145 ffs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
146 {
147 	int res;
148 
149 	res = rump_sys_unmount(path, flags);
150 	if (res == -1)
151 		return res;
152 
153 	res = rump_sys_rmdir(path);
154 	return res;
155 }
156 __strong_alias(ffslog_fstest_unmount,ffs_fstest_unmount);
157