NetBSD/dist/am-utils/conf/mtab/mtab_osf.c

153 lines
4.3 KiB
C

/* $NetBSD: mtab_osf.c,v 1.1.1.5 2002/11/29 22:58:31 christos Exp $ */
/*
* Copyright (c) 1997-2002 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.
*
*
* Id: mtab_osf.c,v 1.6 2002/02/02 20:58:59 ezk Exp
*
*/
#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;
char *at;
char mntfrombuf[MNAMELEN];
char *mntfromptr;
/*
* Under DEC OSF/1 T1.2-2 the f_mntfromname fields of
* the statfs structure can be in the format <fs>@<host>
* instead of <host>:<fs>. Here we check for this and
* reformat it if necessary.
*/
mntfromptr = mp->f_mntfromname;
switch (mp->f_type) {
case MOUNT_TYPE_NFS:
#ifdef HAVE_FS_NFS3
case MOUNT_TYPE_NFS3:
#endif /* HAVE_FS_NFS3 */
at = strchr(mp->f_mntfromname, '@');
if (at != '\0') {
strcpy(mntfrombuf, (at + 1));
strcat(mntfrombuf, ":");
strncat(mntfrombuf, mp->f_mntfromname, (at - mp->f_mntfromname));
mntfromptr = mntfrombuf;
}
}
new_mp->mnt_fsname = strdup(mntfromptr);
new_mp->mnt_dir = strdup(mp->f_mntonname);
switch (mp->f_type) {
case MOUNT_TYPE_UFS:
ty = MNTTAB_TYPE_UFS;
break;
#ifdef HAVE_FS_NFS3
case MOUNT_TYPE_NFS3:
ty = MNTTAB_TYPE_NFS3;
break;
#endif /* HAVE_FS_NFS3 */
case MOUNT_TYPE_NFS:
ty = MNTTAB_TYPE_NFS;
break;
case MOUNT_TYPE_MFS:
ty = MNTTAB_TYPE_MFS;
break;
default:
ty = "unknown";
break;
}
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 linked list */
*mpp = 0;
return mhp;
}