148 lines
4.2 KiB
C
148 lines
4.2 KiB
C
/* $NetBSD: mtabutil.c,v 1.1.1.3 1997/10/26 00:02:24 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997 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 acknowledgement:
|
|
* 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.
|
|
*
|
|
* %W% (Berkeley) %G%
|
|
*
|
|
* Id: mtab_bsd.c,v 5.2.2.2 1992/11/12 23:29:14 jsp Exp
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* BSD 4.4 systems don't write their mount tables on a file. Instead, they
|
|
* use a (better) system where the kernel keeps this state, and you access
|
|
* the mount tables via a known interface.
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif /* HAVE_CONFIG_H */
|
|
#include <am_defs.h>
|
|
#include <amu.h>
|
|
|
|
|
|
static mntent_t *
|
|
mnt_dup(struct statfs *mp)
|
|
{
|
|
mntent_t *new_mp = ALLOC(mntent_t);
|
|
char *ty;
|
|
|
|
new_mp->mnt_fsname = strdup(mp->f_mntfromname);
|
|
new_mp->mnt_dir = strdup(mp->f_mntonname);
|
|
|
|
#ifdef HAVE_FIELD_STRUCT_STATFS_F_FSTYPENAME
|
|
ty = mp->f_fstypename;
|
|
#else /* not HAVE_FIELD_STRUCT_STATFS_F_FSTYPENAME */
|
|
switch (mp->f_type) {
|
|
|
|
# if defined(MOUNT_UFS) && defined(MNTTAB_TYPE_UFS)
|
|
case MOUNT_UFS:
|
|
ty = MNTTAB_TYPE_UFS;
|
|
break;
|
|
# endif /* defined(MOUNT_UFS) && defined(MNTTAB_TYPE_UFS) */
|
|
|
|
# if defined(MOUNT_NFS) && defined(MNTTAB_TYPE_NFS)
|
|
case MOUNT_NFS:
|
|
ty = MNTTAB_TYPE_NFS;
|
|
break;
|
|
# endif /* defined(MOUNT_NFS) && defined(MNTTAB_TYPE_NFS) */
|
|
|
|
# if defined(MOUNT_MFS) && defined(MNTTAB_TYPE_MFS)
|
|
case MOUNT_MFS:
|
|
ty = MNTTAB_TYPE_MFS;
|
|
break;
|
|
# endif /* defined(MOUNT_MFS) && defined(MNTTAB_TYPE_MFS) */
|
|
|
|
default:
|
|
ty = "unknown";
|
|
|
|
break;
|
|
}
|
|
#endif /* not HAVE_FIELD_STRUCT_STATFS_F_FSTYPENAME */
|
|
|
|
new_mp->mnt_type = strdup(ty);
|
|
new_mp->mnt_opts = strdup("unset");
|
|
new_mp->mnt_freq = 0;
|
|
new_mp->mnt_passno = 0;
|
|
|
|
return new_mp;
|
|
}
|
|
|
|
|
|
/*
|
|
* Read a mount table into memory
|
|
*/
|
|
mntlist *
|
|
read_mtab(char *fs, const char *mnttabname)
|
|
{
|
|
mntlist **mpp, *mhp;
|
|
struct statfs *mntbufp, *mntp;
|
|
|
|
int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
|
|
|
|
if (nloc == 0) {
|
|
plog(XLOG_ERROR, "Can't read mount table");
|
|
return 0;
|
|
}
|
|
mpp = &mhp;
|
|
for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
|
|
/*
|
|
* Allocate a new slot
|
|
*/
|
|
*mpp = ALLOC(struct mntlist);
|
|
|
|
/*
|
|
* Copy the data returned by getmntent
|
|
*/
|
|
(*mpp)->mnt = mnt_dup(mntp);
|
|
|
|
/*
|
|
* Move to next pointer
|
|
*/
|
|
mpp = &(*mpp)->mnext;
|
|
}
|
|
|
|
/*
|
|
* Terminate the list
|
|
*/
|
|
*mpp = 0;
|
|
|
|
return mhp;
|
|
}
|