1 /* $NetBSD: checkmount_bsd44.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/checkmount/checkmount_bsd44.c 43 * 44 */ 45 46 #ifdef HAVE_CONFIG_H 47 # include <config.h> 48 #endif /* HAVE_CONFIG_H */ 49 #include <am_defs.h> 50 #if __NetBSD_Version__ > 200030000 51 #define statfs statvfs 52 #endif 53 54 extern int is_same_host(char *name1, char *name2, struct in_addr addr2); 55 int fixmount_check_mount(char *host, struct in_addr hostaddr, char *path); 56 57 int 58 fixmount_check_mount(char *host, struct in_addr hostaddr, char *path) 59 { 60 struct statfs *mntbufp, *mntp; 61 int nloc, i; 62 char *colon; 63 64 /* read mount table from kernel */ 65 nloc = getmntinfo(&mntbufp, MNT_NOWAIT); 66 if (nloc <= 0) { 67 perror("getmntinfo"); 68 exit(1); 69 } 70 71 mntp = mntbufp; 72 for (i=0; i<nloc; ++i) { 73 if ((colon = strchr(mntp->f_mntfromname, ':'))) { 74 *colon = '\0'; 75 if (STREQ(colon + 1, path) && 76 is_same_host(mntp->f_mntfromname, host, hostaddr)) 77 return 1; 78 } 79 } 80 81 return 0; 82 } 83