124 lines
3.5 KiB
C
124 lines
3.5 KiB
C
/* $NetBSD: mtab.c,v 1.1.1.3 1997/10/26 00:02:17 christos Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1997 Erez Zadok
|
|
* Copyright (c) 1989 Jan-Simon Pendry
|
|
* Copyright (c) 1989 Imperial College of Science, Technology & Medicine
|
|
* Copyright (c) 1989 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.c,v 5.2.2.1 1992/02/09 15:08:45 jsp beta
|
|
*
|
|
*/
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include <config.h>
|
|
#endif /* HAVE_CONFIG_H */
|
|
#include <am_defs.h>
|
|
#include <amu.h>
|
|
|
|
|
|
/*
|
|
* Firewall /etc/mtab entries
|
|
*/
|
|
void
|
|
mnt_free(mntent_t *mp)
|
|
{
|
|
free(mp->mnt_fsname);
|
|
free(mp->mnt_dir);
|
|
free(mp->mnt_type);
|
|
free(mp->mnt_opts);
|
|
|
|
#ifdef HAVE_FIELD_MNTENT_T_MNT_TIME
|
|
# ifdef HAVE_FIELD_MNTENT_T_MNT_TIME_STRING
|
|
free(mp->mnt_time);
|
|
# endif /* HAVE_FIELD_MNTENT_T_MNT_TIME_STRING */
|
|
#endif /* HAVE_FIELD_MNTENT_T_MNT_TIME */
|
|
|
|
free((voidp) mp);
|
|
}
|
|
|
|
|
|
/*
|
|
* Discard memory allocated for mount list
|
|
*/
|
|
void
|
|
discard_mntlist(mntlist *mp)
|
|
{
|
|
mntlist *mp2;
|
|
|
|
while ((mp2 = mp)) {
|
|
mp = mp->mnext;
|
|
if (mp2->mnt)
|
|
mnt_free(mp2->mnt);
|
|
free((voidp) mp2);
|
|
}
|
|
}
|
|
|
|
|
|
/*
|
|
* Throw away a mount list
|
|
*/
|
|
void
|
|
free_mntlist(mntlist *mp)
|
|
{
|
|
discard_mntlist(mp);
|
|
#ifdef MOUNT_TABLE_ON_FILE
|
|
unlock_mntlist();
|
|
#endif /* MOUNT_TABLE_ON_FILE */
|
|
}
|
|
|
|
|
|
/*
|
|
* Utility routine which determines the value of a
|
|
* numeric option in the mount options (such as port=%d).
|
|
* Returns 0 if the option is not specified.
|
|
*/
|
|
int
|
|
hasmntval(mntent_t *mnt, char *opt)
|
|
{
|
|
char *str = hasmntopt(mnt, opt);
|
|
|
|
if (str) {
|
|
char *eq = strchr(str, '=');
|
|
if (eq)
|
|
return atoi(eq + 1);
|
|
else
|
|
plog(XLOG_USER, "bad numeric option \"%s\" in \"%s\"", opt, str);
|
|
}
|
|
return 0;
|
|
}
|