1/*	$NetBSD$	*/
2
3/*
4 * Copyright (c) 1997-2009 Erez Zadok
5 * Copyright (c) 1990 Jan-Simon Pendry
6 * Copyright (c) 1990 Imperial College of Science, Technology & Medicine
7 * Copyright (c) 1990 The Regents of the University of California.
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * Jan-Simon Pendry at Imperial College, London.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 *    notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 *    notice, this list of conditions and the following disclaimer in the
20 *    documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 *    must display the following acknowledgment:
23 *      This product includes software developed by the University of
24 *      California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 *    may be used to endorse or promote products derived from this software
27 *    without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 *
42 * File: am-utils/conf/mtab/mtab_osf.c
43 *
44 */
45
46#ifdef HAVE_CONFIG_H
47# include <config.h>
48#endif /* HAVE_CONFIG_H */
49#include <am_defs.h>
50#include <amu.h>
51
52
53static mntent_t *
54mnt_dup(struct statfs *mp)
55{
56  mntent_t *new_mp = ALLOC(mntent_t);
57  char *ty;
58  char *at;
59  char mntfrombuf[MNAMELEN];
60  char *mntfromptr;
61
62  /*
63   * Under DEC OSF/1 T1.2-2 the f_mntfromname fields of
64   * the statfs structure can be in the format <fs>@<host>
65   * instead of <host>:<fs>.  Here we check for this and
66   * reformat it if necessary.
67   */
68  mntfromptr = mp->f_mntfromname;
69
70  switch (mp->f_type) {
71  case MOUNT_TYPE_NFS:
72#ifdef HAVE_FS_NFS3
73  case MOUNT_TYPE_NFS3:
74#endif /* HAVE_FS_NFS3 */
75    at = strchr(mp->f_mntfromname, '@');
76    if (at != '\0') {
77      xstrlcpy(mntfrombuf, (at + 1), sizeof(mntfrombuf));
78      xstrlcat(mntfrombuf, ":", sizeof(mntfrombuf));
79      strncat(mntfrombuf, mp->f_mntfromname, (at - mp->f_mntfromname));
80      mntfromptr = mntfrombuf;
81    }
82  }
83  new_mp->mnt_fsname = strdup(mntfromptr);
84
85  new_mp->mnt_dir = strdup(mp->f_mntonname);
86  switch (mp->f_type) {
87  case MOUNT_TYPE_UFS:
88    ty = MNTTAB_TYPE_UFS;
89    break;
90#ifdef HAVE_FS_NFS3
91  case MOUNT_TYPE_NFS3:
92    ty = MNTTAB_TYPE_NFS3;
93    break;
94#endif /* HAVE_FS_NFS3 */
95  case MOUNT_TYPE_NFS:
96    ty = MNTTAB_TYPE_NFS;
97    break;
98  case MOUNT_TYPE_MFS:
99    ty = MNTTAB_TYPE_MFS;
100    break;
101  default:
102    ty = "unknown";
103    break;
104  }
105
106  new_mp->mnt_type = strdup(ty);
107  new_mp->mnt_opts = strdup("unset");
108  new_mp->mnt_freq = 0;
109  new_mp->mnt_passno = 0;
110
111  return new_mp;
112}
113
114
115/*
116 * Read a mount table into memory
117 */
118mntlist *
119read_mtab(char *fs, const char *mnttabname)
120{
121  mntlist **mpp, *mhp;
122  struct statfs *mntbufp, *mntp;
123
124  int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
125
126  if (nloc == 0) {
127    plog(XLOG_ERROR, "Can't read mount table");
128    return 0;
129  }
130  mpp = &mhp;
131  for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
132    /*
133     * Allocate a new slot
134     */
135    *mpp = ALLOC(struct mntlist);
136
137    /*
138     * Copy the data returned by getmntent
139     */
140    (*mpp)->mnt = mnt_dup(mntp);
141
142    /*
143     * Move to next pointer
144     */
145    mpp = &(*mpp)->mnext;
146  }
147
148  /* terminate the linked list */
149  *mpp = NULL;
150
151  return mhp;
152}
153