1 /* $NetBSD: checkmount_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/checkmount/checkmount_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
47 extern int is_same_host(char *name1, char *name2, struct in_addr addr2);
48
49
50 int
fixmount_check_mount(char * host,struct in_addr hostaddr,char * path)51 fixmount_check_mount(char *host, struct in_addr hostaddr, char *path)
52 {
53 int nentries, i;
54 struct statfs *fslist;
55 int found = 0;
56
57 nentries = getmntinfo(&fslist, MNT_NOWAIT);
58 if (nentries <= 0) {
59 perror("getmntinfo");
60 exit(1);
61 }
62
63 for (i = 0; !found && (i < nentries); i++) {
64 char *delim;
65
66 /*
67 * Apparently two forms of nfs mount syntax are
68 * accepted: host:/path or /path@host
69 */
70 if ((delim = strchr(fslist[i].f_mntfromname, ':'))) {
71 *delim = '\0';
72 if ((STREQ(delim + 1, path) ||
73 STREQ(fslist[i].f_mntonname, path)) &&
74 is_same_host(fslist[i].f_mntfromname,
75 host, hostaddr))
76 found = 1;
77 } else if ((delim = strchr(fslist[i].f_mntfromname, '@'))) {
78 *delim = '\0';
79 if ((STREQ(fslist[i].f_mntfromname, path) ||
80 STREQ(fslist[i].f_mntonname, path)) &&
81 is_same_host(delim + 1, host, hostaddr))
82 found = 1;
83 }
84 }
85
86 return found;
87 }
88