1 /* $OpenBSD: ufs_ops.c,v 1.10 2014/10/26 03:28:41 guenther Exp $ */
2
3 /*
4 * Copyright (c) 1990 Jan-Simon Pendry
5 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
6 * Copyright (c) 1990, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Jan-Simon Pendry at Imperial College, London.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: @(#)ufs_ops.c 8.1 (Berkeley) 6/6/93
37 */
38
39 #include "am.h"
40
41 #ifdef HAS_UFS
42
43 #include <sys/stat.h>
44
45 /*
46 * UN*X file system
47 */
48
49 /*
50 * UFS needs local filesystem and device.
51 */
52 static char *
ufs_match(am_opts * fo)53 ufs_match(am_opts *fo)
54 {
55 if (!fo->opt_dev) {
56 plog(XLOG_USER, "ufs: no device specified");
57 return 0;
58 }
59
60 #ifdef DEBUG
61 dlog("UFS: mounting device \"%s\" on \"%s\"",
62 fo->opt_dev, fo->opt_fs);
63 #endif /* DEBUG */
64
65 /*
66 * Determine magic cookie to put in mtab
67 */
68 return strdup(fo->opt_dev);
69 }
70
71 static int
mount_ufs(char * dir,char * fs_name,char * opts)72 mount_ufs(char *dir, char *fs_name, char *opts)
73 {
74 struct ufs_args ufs_args;
75 struct mntent mnt;
76 int flags;
77
78 /*
79 * Figure out the name of the file system type.
80 */
81 const char *type = MOUNT_FFS;
82
83 bzero(&ufs_args, sizeof(ufs_args)); /* Paranoid */
84
85 /*
86 * Fill in the mount structure
87 */
88 mnt.mnt_dir = dir;
89 mnt.mnt_fsname = fs_name;
90 mnt.mnt_type = "ffs";
91 mnt.mnt_opts = opts;
92 mnt.mnt_freq = 1;
93 mnt.mnt_passno = 2;
94
95 flags = compute_mount_flags(&mnt);
96
97 ufs_args.fspec = fs_name;
98
99 /*
100 * Call generic mount routine
101 */
102 return mount_fs(&mnt, flags, (caddr_t) &ufs_args, 0, type);
103 }
104
105 static int
ufs_fmount(mntfs * mf)106 ufs_fmount(mntfs *mf)
107 {
108 int error;
109
110 error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts);
111 if (error) {
112 errno = error;
113 plog(XLOG_ERROR, "mount_ufs: %m");
114 return error;
115 }
116
117 return 0;
118 }
119
120 static int
ufs_fumount(mntfs * mf)121 ufs_fumount(mntfs *mf)
122 {
123 return umount_fs(mf->mf_mount);
124 }
125
126 /*
127 * Ops structure
128 */
129 am_ops ufs_ops = {
130 "ufs",
131 ufs_match,
132 0, /* ufs_init */
133 auto_fmount,
134 ufs_fmount,
135 auto_fumount,
136 ufs_fumount,
137 efs_lookuppn,
138 efs_readdir,
139 0, /* ufs_readlink */
140 0, /* ufs_mounted */
141 0, /* ufs_umounted */
142 find_afs_srvr,
143 #ifdef FLUSH_KERNEL_NAME_CACHE
144 FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
145 #else /* FLUSH_KERNEL_NAME_CACHE */
146 FS_MKMNT|FS_NOTIMEOUT|FS_UBACKGROUND|FS_AMQINFO
147 #endif /* FLUSH_KERNEL_NAME_CACHE */
148 };
149
150 #endif /* HAS_UFS */
151