xref: /netbsd-src/external/bsd/am-utils/dist/conf/mtab/mtab_osf.c (revision 93bf6008f8b7982c1d1a9486e4a4a0e687fe36eb)
1 /*	$NetBSD: mtab_osf.c,v 1.1.1.2 2009/03/20 20:26:50 christos Exp $	*/
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 
53 static mntent_t *
54 mnt_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  */
118 mntlist *
119 read_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