1/*
2 * Copyright (c) 1997-2006 Erez Zadok
3 * Copyright (c) 1990 Jan-Simon Pendry
4 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
5 * Copyright (c) 1990 The Regents of the University of California.
6 * All rights reserved.
7 *
8 * This code is derived from software contributed to Berkeley by
9 * Jan-Simon Pendry at Imperial College, London.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 *    notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 *    notice, this list of conditions and the following disclaimer in the
18 *    documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 *    must display the following acknowledgment:
21 *      This product includes software developed by the University of
22 *      California, Berkeley and its contributors.
23 * 4. Neither the name of the University nor the names of its contributors
24 *    may be used to endorse or promote products derived from this software
25 *    without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37 * SUCH DAMAGE.
38 *
39 *
40 * File: am-utils/amd/ops_ufs.c
41 *
42 */
43
44/*
45 * UN*X file system
46 */
47
48#ifdef HAVE_CONFIG_H
49# include <config.h>
50#endif /* HAVE_CONFIG_H */
51#include <am_defs.h>
52#include <amd.h>
53
54/* forward declarations */
55static char *ufs_match(am_opts *fo);
56static int ufs_mount(am_node *am, mntfs *mf);
57static int ufs_umount(am_node *am, mntfs *mf);
58
59/*
60 * Ops structure
61 */
62am_ops ufs_ops =
63{
64  "ufs",
65  ufs_match,
66  0,				/* ufs_init */
67  ufs_mount,
68  ufs_umount,
69  amfs_error_lookup_child,
70  amfs_error_mount_child,
71  amfs_error_readdir,
72  0,				/* ufs_readlink */
73  0,				/* ufs_mounted */
74  0,				/* ufs_umounted */
75  amfs_generic_find_srvr,
76  0,				/* ufs_get_wchan */
77  FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
78#ifdef HAVE_FS_AUTOFS
79  AUTOFS_UFS_FS_FLAGS,
80#endif /* HAVE_FS_AUTOFS */
81};
82
83
84/*
85 * UFS needs local filesystem and device.
86 */
87static char *
88ufs_match(am_opts *fo)
89{
90
91  if (!fo->opt_dev) {
92    plog(XLOG_USER, "ufs: no device specified");
93    return 0;
94  }
95
96  dlog("UFS: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
97
98  /*
99   * Determine magic cookie to put in mtab
100   */
101  return strdup(fo->opt_dev);
102}
103
104
105static int
106mount_ufs(char *mntdir, char *fs_name, char *opts, int on_autofs)
107{
108  ufs_args_t ufs_args;
109  mntent_t mnt;
110  int genflags;
111
112  /*
113   * Figure out the name of the file system type.
114   */
115  MTYPE_TYPE type = MOUNT_TYPE_UFS;
116
117  memset((voidp) &ufs_args, 0, sizeof(ufs_args)); /* Paranoid */
118
119  /*
120   * Fill in the mount structure
121   */
122  memset((voidp) &mnt, 0, sizeof(mnt));
123  mnt.mnt_dir = mntdir;
124  mnt.mnt_fsname = fs_name;
125  mnt.mnt_type = MNTTAB_TYPE_UFS;
126  mnt.mnt_opts = opts;
127
128  genflags = compute_mount_flags(&mnt);
129#ifdef HAVE_FS_AUTOFS
130  if (on_autofs)
131    genflags |= autofs_compute_mount_flags(&mnt);
132#endif /* HAVE_FS_AUTOFS */
133
134#ifdef HAVE_UFS_ARGS_T_FLAGS
135  ufs_args.flags = genflags;	/* XXX: is this correct? */
136#endif /* HAVE_UFS_ARGS_T_FLAGS */
137
138#ifdef HAVE_UFS_ARGS_T_UFS_FLAGS
139  ufs_args.ufs_flags = genflags;
140#endif /* HAVE_UFS_ARGS_T_UFS_FLAGS */
141
142#ifdef HAVE_UFS_ARGS_T_FSPEC
143  ufs_args.fspec = fs_name;
144#endif /* HAVE_UFS_ARGS_T_FSPEC */
145
146#ifdef HAVE_UFS_ARGS_T_UFS_PGTHRESH
147  ufs_args.ufs_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
148#endif /* HAVE_UFS_ARGS_T_UFS_PGTHRESH */
149
150  /*
151   * Call generic mount routine
152   */
153  return mount_fs(&mnt, genflags, (caddr_t) &ufs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
154}
155
156
157static int
158ufs_mount(am_node *am, mntfs *mf)
159{
160  int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
161  int error;
162
163  error = mount_ufs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
164  if (error) {
165    errno = error;
166    plog(XLOG_ERROR, "mount_ufs: %m");
167    return error;
168  }
169
170  return 0;
171}
172
173
174static int
175ufs_umount(am_node *am, mntfs *mf)
176{
177  int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
178
179  return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
180}
181