1 /*
2 * Copyright (c) 1989 Jan-Simon Pendry
3 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
4 * Copyright (c) 1989, 1993
5 * The Regents of the University of California. All rights reserved.
6 *
7 * This code is derived from software contributed to Berkeley by
8 * Jan-Simon Pendry at Imperial College, London.
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in the
17 * documentation and/or other materials provided with the distribution.
18 * 3. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * from: @(#)efs_ops.c 8.1 (Berkeley) 6/6/93
35 * $Id: efs_ops.c,v 1.4 2014/10/26 02:43:50 guenther Exp $
36 */
37
38 #include "am.h"
39
40 #ifdef HAS_EFS
41
42 /*
43 * Error file system.
44 * This is used as a last resort catchall if
45 * nothing else worked. EFS just returns lots
46 * of error codes, except for unmount which
47 * always works of course.
48 */
49
50 /*
51 * EFS file system always matches
52 */
53 static char *
efs_match(am_opts * fo)54 efs_match(am_opts *fo)
55 {
56 return strdup("(error-hook)");
57 }
58
59 static int
efs_fmount(mntfs * mf)60 efs_fmount(mntfs *mf)
61 {
62 return ENOENT;
63 }
64
65 static int
efs_fumount(mntfs * mf)66 efs_fumount(mntfs *mf)
67 {
68 /*
69 * Always succeed
70 */
71
72 return 0;
73 }
74
75 /*
76 * EFS interface to RPC lookup() routine.
77 * Should never get here in the automounter.
78 * If we do then just give an error.
79 */
80 am_node *
efs_lookuppn(am_node * mp,char * fname,int * error_return,int op)81 efs_lookuppn(am_node *mp, char *fname, int *error_return, int op)
82 {
83 *error_return = ESTALE;
84 return 0;
85 }
86
87 /*
88 * EFS interface to RPC readdir() routine.
89 * Should never get here in the automounter.
90 * If we do then just give an error.
91 */
92 int
efs_readdir(am_node * mp,nfscookie cookie,dirlist * dp,entry * ep,int count)93 efs_readdir(am_node *mp, nfscookie cookie, dirlist *dp, entry *ep,
94 int count)
95 {
96 return ESTALE;
97 }
98
99 /*
100 * Ops structure
101 */
102 am_ops efs_ops = {
103 "error",
104 efs_match,
105 0, /* efs_init */
106 auto_fmount,
107 efs_fmount,
108 auto_fumount,
109 efs_fumount,
110 efs_lookuppn,
111 efs_readdir,
112 0, /* efs_readlink */
113 0, /* efs_mounted */
114 0, /* efs_umounted */
115 find_afs_srvr,
116 FS_DISCARD
117 };
118
119 #endif /* HAS_EFS */
120