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 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