/* $NetBSD: ops_ext.c,v 1.1.1.1 2015/01/17 16:34:15 christos Exp $ */
/*
* Copyright (c) 1997-2014 Erez Zadok
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*
* File: am-utils/amd/ops_ext.c
*
*/
/*
* Irix UN*X file system: EXT (Extended File System)
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <amd.h>
/* forward declarations */
static char *ext_match(am_opts *fo);
static int ext2_mount(am_node *am, mntfs *mf);
static int ext3_mount(am_node *am, mntfs *mf);
static int ext4_mount(am_node *am, mntfs *mf);
static int ext_umount(am_node *am, mntfs *mf);
/*
* Ops structure
*/
am_ops ext2_ops =
{
"ext2",
ext_match,
0, /* ext_init */
ext2_mount,
ext_umount,
amfs_error_lookup_child,
amfs_error_mount_child,
amfs_error_readdir,
0, /* ext_readlink */
0, /* ext_mounted */
0, /* ext_umounted */
amfs_generic_find_srvr,
0, /* ext_get_wchan */
FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
#ifdef HAVE_FS_AUTOFS
AUTOFS_EXT_FS_FLAGS,
#endif /* HAVE_FS_AUTOFS */
};
am_ops ext3_ops =
{
"ext3",
ext_match,
0, /* ext_init */
ext3_mount,
ext_umount,
amfs_error_lookup_child,
amfs_error_mount_child,
amfs_error_readdir,
0, /* ext_readlink */
0, /* ext_mounted */
0, /* ext_umounted */
amfs_generic_find_srvr,
0, /* ext_get_wchan */
FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
#ifdef HAVE_FS_AUTOFS
AUTOFS_EXT_FS_FLAGS,
#endif /* HAVE_FS_AUTOFS */
};
am_ops ext4_ops =
{
"ext4",
ext_match,
0, /* ext_init */
ext4_mount,
ext_umount,
amfs_error_lookup_child,
amfs_error_mount_child,
amfs_error_readdir,
0, /* ext_readlink */
0, /* ext_mounted */
0, /* ext_umounted */
amfs_generic_find_srvr,
0, /* ext_get_wchan */
FS_MKMNT | FS_NOTIMEOUT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
#ifdef HAVE_FS_AUTOFS
AUTOFS_EXT_FS_FLAGS,
#endif /* HAVE_FS_AUTOFS */
};
/*
* EXT needs local filesystem and device.
*/
static char *
ext_match(am_opts *fo)
{
if (!fo->opt_dev) {
plog(XLOG_USER, "ext: no device specified");
return 0;
}
dlog("EXT: mounting device \"%s\" on \"%s\"", fo->opt_dev, fo->opt_fs);
/*
* Determine magic cookie to put in mtab
*/
return xstrdup(fo->opt_dev);
}
static int
mount_ext(char *mntdir, char *fs_name, char *opts, int on_autofs, char *
mount_type, const char *mnttab_type)
{
ext_args_t ext_args;
mntent_t mnt;
int flags;
/*
* Figure out the name of the file system type.
*/
MTYPE_TYPE type = mount_type;
memset((voidp) &ext_args, 0, sizeof(ext_args)); /* Paranoid */
/*
* Fill in the mount structure
*/
memset((voidp) &mnt, 0, sizeof(mnt));
mnt.mnt_dir = mntdir;
mnt.mnt_fsname = fs_name;
mnt.mnt_type = mnttab_type;
mnt.mnt_opts = opts;
flags = compute_mount_flags(&mnt);
#ifdef HAVE_FS_AUTOFS
if (on_autofs)
flags |= autofs_compute_mount_flags(&mnt);
#endif /* HAVE_FS_AUTOFS */
/*
* Call generic mount routine
*/
return mount_fs(&mnt, flags, (caddr_t) &ext_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
}
static int
ext_mount(am_node *am, mntfs *mf, char *mount_type,
const char *mnttab_type)
{
int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
int error;
error = mount_ext(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs,
mount_type, mnttab_type);
if (error) {
errno = error;
plog(XLOG_ERROR, "mount_ext: %m");
return error;
}
return 0;
}
static int
ext2_mount(am_node *am, mntfs *mf)
{
return ext_mount(am, mf, MOUNT_TYPE_EXT2, MNTTAB_TYPE_EXT2);
}
static int
ext3_mount(am_node *am, mntfs *mf)
{
return ext_mount(am, mf, MOUNT_TYPE_EXT3, MNTTAB_TYPE_EXT3);
}
static int
ext4_mount(am_node *am, mntfs *mf)
{
return ext_mount(am, mf, MOUNT_TYPE_EXT4, MNTTAB_TYPE_EXT4);
}
static int
ext_umount(am_node *am, mntfs *mf)
{
int unmount_flags = (mf->mf_flags & MFF_ON_AUTOFS) ? AMU_UMOUNT_AUTOFS : 0;
return UMOUNT_FS(mf->mf_mount, mnttab_file_name, unmount_flags);
}
