NetBSD/dist/am-utils/amd/ops_cdfs.c

231 lines
7.1 KiB
C

/* $NetBSD: ops_cdfs.c,v 1.1.1.9 2005/09/20 17:14:57 rpaulo Exp $ */
/*
* Copyright (c) 1997-2005 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. All advertising materials mentioning features or use of this software
* must display the following acknowledgment:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. 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_cdfs.c
*
*/
/*
* High Sierra (CD-ROM) file system
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif /* HAVE_CONFIG_H */
#include <am_defs.h>
#include <amd.h>
/* forward declarations */
static char *cdfs_match(am_opts *fo);
static int cdfs_mount(am_node *am, mntfs *mf);
static int cdfs_umount(am_node *am, mntfs *mf);
/*
* Ops structure
*/
am_ops cdfs_ops =
{
"cdfs",
cdfs_match,
0, /* cdfs_init */
cdfs_mount,
cdfs_umount,
amfs_error_lookup_child,
amfs_error_mount_child,
amfs_error_readdir,
0, /* cdfs_readlink */
0, /* cdfs_mounted */
0, /* cdfs_umounted */
amfs_generic_find_srvr,
0, /* cdfs_get_wchan */
FS_MKMNT | FS_UBACKGROUND | FS_AMQINFO, /* nfs_fs_flags */
#ifdef HAVE_FS_AUTOFS
AUTOFS_CDFS_FS_FLAGS,
#endif /* HAVE_FS_AUTOFS */
};
/*
* CDFS needs remote filesystem.
*/
static char *
cdfs_match(am_opts *fo)
{
if (!fo->opt_dev) {
plog(XLOG_USER, "cdfs: no source device specified");
return 0;
}
dlog("CDFS: mounting device \"%s\" on \"%s\"",
fo->opt_dev, fo->opt_fs);
/*
* Determine magic cookie to put in mtab
*/
return strdup(fo->opt_dev);
}
static int
mount_cdfs(char *mntdir, char *fs_name, char *opts, int on_autofs)
{
cdfs_args_t cdfs_args;
mntent_t mnt;
int genflags, cdfs_flags, retval;
/*
* Figure out the name of the file system type.
*/
MTYPE_TYPE type = MOUNT_TYPE_CDFS;
memset((voidp) &cdfs_args, 0, sizeof(cdfs_args)); /* Paranoid */
cdfs_flags = 0;
/*
* 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_CDFS;
mnt.mnt_opts = opts;
#if defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_DEFPERM))
# ifdef MNT2_CDFS_OPT_DEFPERM
cdfs_flags |= MNT2_CDFS_OPT_DEFPERM;
# else /* not MNT2_CDFS_OPT_DEFPERM */
cdfs_flags &= ~MNT2_CDFS_OPT_NODEFPERM;
# endif /* not MNT2_CDFS_OPT_DEFPERM */
#endif /* defined(MNT2_CDFS_OPT_DEFPERM) && defined(MNTTAB_OPT_DEFPERM) */
#if defined(MNT2_CDFS_OPT_NODEFPERM) && defined(MNTTAB_OPT_NODEFPERM)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_NODEFPERM))
cdfs_flags |= MNT2_CDFS_OPT_NODEFPERM;
#endif /* MNTTAB_OPT_NODEFPERM */
#if defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_NOVERSION))
cdfs_flags |= MNT2_CDFS_OPT_NOVERSION;
#endif /* defined(MNT2_CDFS_OPT_NOVERSION) && defined(MNTTAB_OPT_NOVERSION) */
#if defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_RRIP))
cdfs_flags |= MNT2_CDFS_OPT_RRIP;
#endif /* defined(MNT2_CDFS_OPT_RRIP) && defined(MNTTAB_OPT_RRIP) */
#if defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_NORRIP))
cdfs_flags |= MNT2_CDFS_OPT_NORRIP;
#endif /* defined(MNT2_CDFS_OPT_NORRIP) && defined(MNTTAB_OPT_NORRIP) */
#if defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_GENS))
cdfs_flags |= MNT2_CDFS_OPT_GENS;
#endif /* defined(MNT2_CDFS_OPT_GENS) && defined(MNTTAB_OPT_GENS) */
#if defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT)
if (amu_hasmntopt(&mnt, MNTTAB_OPT_EXTATT))
cdfs_flags |= MNT2_CDFS_OPT_EXTATT;
#endif /* defined(MNT2_CDFS_OPT_EXTATT) && defined(MNTTAB_OPT_EXTATT) */
genflags = compute_mount_flags(&mnt);
#ifdef HAVE_FS_AUTOFS
if (on_autofs)
genflags |= autofs_compute_mount_flags(&mnt);
#endif /* HAVE_FS_AUTOFS */
#ifdef HAVE_CDFS_ARGS_T_FLAGS
cdfs_args.flags = cdfs_flags;
#endif /* HAVE_CDFS_ARGS_T_FLAGS */
#ifdef HAVE_CDFS_ARGS_T_ISO_FLAGS
cdfs_args.iso_flags = genflags | cdfs_flags;
#endif /* HAVE_CDFS_ARGS_T_ISO_FLAGS */
#ifdef HAVE_CDFS_ARGS_T_ISO_PGTHRESH
cdfs_args.iso_pgthresh = hasmntval(&mnt, MNTTAB_OPT_PGTHRESH);
#endif /* HAVE_CDFS_ARGS_T_ISO_PGTHRESH */
#ifdef HAVE_CDFS_ARGS_T_NORRIP
/* XXX: need to provide norrip mount opt */
cdfs_args.norrip = 0; /* use Rock-Ridge Protocol extensions */
#endif /* HAVE_CDFS_ARGS_T_NORRIP */
#ifdef HAVE_CDFS_ARGS_T_SSECTOR
/* XXX: need to provide ssector mount option */
cdfs_args.ssector = 0; /* use 1st session on disk */
#endif /* HAVE_CDFS_ARGS_T_SSECTOR */
#ifdef HAVE_CDFS_ARGS_T_FSPEC
cdfs_args.fspec = fs_name;
#endif /* HAVE_CDFS_ARGS_T_FSPEC */
/*
* Call generic mount routine
*/
retval = mount_fs(&mnt, genflags, (caddr_t) &cdfs_args, 0, type, 0, NULL, mnttab_file_name, on_autofs);
return retval;
}
static int
cdfs_mount(am_node *am, mntfs *mf)
{
int on_autofs = mf->mf_flags & MFF_ON_AUTOFS;
int error;
error = mount_cdfs(mf->mf_mount, mf->mf_info, mf->mf_mopts, on_autofs);
if (error) {
errno = error;
plog(XLOG_ERROR, "mount_cdfs: %m");
return error;
}
return 0;
}
static int
cdfs_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);
}