1 /* $NetBSD: checkmount_bsd44.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_bsd44.c
39 *
40 */
41
42 #ifdef HAVE_CONFIG_H
43 # include <config.h>
44 #endif /* HAVE_CONFIG_H */
45 #include <am_defs.h>
46 #if __NetBSD_Version__ > 200030000
47 #define statfs statvfs
48 #endif
49
50 extern int is_same_host(char *name1, char *name2, struct in_addr addr2);
51 int fixmount_check_mount(char *host, struct in_addr hostaddr, char *path);
52
53 int
fixmount_check_mount(char * host,struct in_addr hostaddr,char * path)54 fixmount_check_mount(char *host, struct in_addr hostaddr, char *path)
55 {
56 struct statfs *mntbufp, *mntp;
57 int nloc, i;
58 char *colon;
59
60 /* read mount table from kernel */
61 nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
62 if (nloc <= 0) {
63 perror("getmntinfo");
64 exit(1);
65 }
66
67 mntp = mntbufp;
68 for (i=0; i<nloc; ++i) {
69 if ((colon = strchr(mntp->f_mntfromname, ':'))) {
70 *colon = '\0';
71 if (STREQ(colon + 1, path) &&
72 is_same_host(mntp->f_mntfromname, host, hostaddr))
73 return 1;
74 }
75 }
76
77 return 0;
78 }
79