1/* $NetBSD: checkmount_aix.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_aix.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 48/* 49 * These were missing external definitions from old AIX's headers. They 50 * appear to be available in <sys/vmount.h> on AIX 5.3, and possibly 51 * earlier. Hence I commented this out. 52 */ 53#ifndef HAVE_EXTERN_MNTCTL 54extern int mntctl(int cmd, int size, voidp buf); 55#endif /* not HAVE_EXTERN_MNTCTL */ 56extern int is_same_host(char *name1, char *name2, struct in_addr addr2); 57 58 59int 60fixmount_check_mount(char *host, struct in_addr hostaddr, char *path) 61{ 62 int ret, i; 63 char *mntinfo = NULL, *cp; 64 char *short_hostname, *long_hostname, *mount_point; 65 struct vmount *vp; 66 67 /* 68 * First figure out size of mount table and allocate space for a copy... 69 * Then get mount table for real. 70 */ 71 ret = mntctl(MCTL_QUERY, sizeof(i), (char *) &i); 72 if (ret == 0) { 73 mntinfo = xmalloc(i); 74 ret = mntctl(MCTL_QUERY, i, mntinfo); 75 } 76 if (ret <= 0) { 77 fprintf(stderr, "mntctl: %m"); 78 XFREE(mntinfo); 79 exit(1); 80 } 81 82 /* iterate over each vmount structure */ 83 for (i = 0, cp = mntinfo; i < ret; i++, cp += vp->vmt_length) { 84 vp = (struct vmount *) cp; 85 mount_point = vmt2dataptr(vp, VMT_STUB); 86 long_hostname = vmt2dataptr(vp, VMT_HOSTNAME); 87 short_hostname = vmt2dataptr(vp, VMT_HOST); 88 if (STREQ(path, mount_point) && 89 (is_same_host(long_hostname, host, hostaddr) || 90 is_same_host(short_hostname, host, hostaddr))) 91 return 1; 92 } 93 94 return 0; 95} 96