1 /* $NetBSD: mtab_osf.c,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $ */
2
3 /*
4 * Copyright (c) 1997-2014 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. Neither the name of the University nor the names of its contributors
22 * may be used to endorse or promote products derived from this software
23 * without specific prior written permission.
24 *
25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
35 * SUCH DAMAGE.
36 *
37 *
38 * File: am-utils/conf/mtab/mtab_osf.c
39 *
40 */
41
42 #ifdef HAVE_CONFIG_H
43 # include <config.h>
44 #endif /* HAVE_CONFIG_H */
45 #include <am_defs.h>
46 #include <amu.h>
47
48
49 static mntent_t *
mnt_dup(struct statfs * mp)50 mnt_dup(struct statfs *mp)
51 {
52 mntent_t *new_mp = ALLOC(mntent_t);
53 char *ty;
54 char *at;
55 char mntfrombuf[MNAMELEN];
56 char *mntfromptr;
57
58 /*
59 * Under DEC OSF/1 T1.2-2 the f_mntfromname fields of
60 * the statfs structure can be in the format <fs>@<host>
61 * instead of <host>:<fs>. Here we check for this and
62 * reformat it if necessary.
63 */
64 mntfromptr = mp->f_mntfromname;
65
66 switch (mp->f_type) {
67 case MOUNT_TYPE_NFS:
68 #ifdef HAVE_FS_NFS3
69 case MOUNT_TYPE_NFS3:
70 #endif /* HAVE_FS_NFS3 */
71 at = strchr(mp->f_mntfromname, '@');
72 if (at != '\0') {
73 xstrlcpy(mntfrombuf, (at + 1), sizeof(mntfrombuf));
74 xstrlcat(mntfrombuf, ":", sizeof(mntfrombuf));
75 strncat(mntfrombuf, mp->f_mntfromname, (at - mp->f_mntfromname));
76 mntfromptr = mntfrombuf;
77 }
78 }
79 new_mp->mnt_fsname = xstrdup(mntfromptr);
80
81 new_mp->mnt_dir = xstrdup(mp->f_mntonname);
82 switch (mp->f_type) {
83 case MOUNT_TYPE_UFS:
84 ty = MNTTAB_TYPE_UFS;
85 break;
86 #ifdef HAVE_FS_NFS3
87 case MOUNT_TYPE_NFS3:
88 ty = MNTTAB_TYPE_NFS3;
89 break;
90 #endif /* HAVE_FS_NFS3 */
91 case MOUNT_TYPE_NFS:
92 ty = MNTTAB_TYPE_NFS;
93 break;
94 case MOUNT_TYPE_MFS:
95 ty = MNTTAB_TYPE_MFS;
96 break;
97 default:
98 ty = "unknown";
99 break;
100 }
101
102 new_mp->mnt_type = xstrdup(ty);
103 new_mp->mnt_opts = xstrdup("unset");
104 new_mp->mnt_freq = 0;
105 new_mp->mnt_passno = 0;
106
107 return new_mp;
108 }
109
110
111 /*
112 * Read a mount table into memory
113 */
114 mntlist *
read_mtab(char * fs,const char * mnttabname)115 read_mtab(char *fs, const char *mnttabname)
116 {
117 mntlist **mpp, *mhp;
118 struct statfs *mntbufp, *mntp;
119
120 int nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
121
122 if (nloc == 0) {
123 plog(XLOG_ERROR, "Can't read mount table");
124 return 0;
125 }
126 mpp = &mhp;
127 for (mntp = mntbufp; mntp < mntbufp + nloc; mntp++) {
128 /*
129 * Allocate a new slot
130 */
131 *mpp = ALLOC(struct mntlist);
132
133 /*
134 * Copy the data returned by getmntent
135 */
136 (*mpp)->mnt = mnt_dup(mntp);
137
138 /*
139 * Move to next pointer
140 */
141 mpp = &(*mpp)->mnext;
142 }
143
144 /* terminate the linked list */
145 *mpp = NULL;
146
147 return mhp;
148 }
149