79 lines
2.9 KiB
C
79 lines
2.9 KiB
C
/*
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* Copyright (c) 1997-2004 Erez Zadok
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* Copyright (c) 1990 Jan-Simon Pendry
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* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
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* Copyright (c) 1990 The Regents of the University of California.
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* All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Jan-Simon Pendry at Imperial College, London.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* %W% (Berkeley) %G%
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*
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* $Id: checkmount_bsd44.c,v 1.3.2.4 2004/01/06 03:15:19 ezk Exp $
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*
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*/
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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extern int is_same_host(char *name1, char *name2, struct in_addr addr2);
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int fixmount_check_mount(char *host, struct in_addr hostaddr, char *path);
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int
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fixmount_check_mount(char *host, struct in_addr hostaddr, char *path)
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{
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struct statfs *mntbufp, *mntp;
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int nloc, i;
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char *colon;
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/* read mount table from kernel */
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nloc = getmntinfo(&mntbufp, MNT_NOWAIT);
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if (nloc <= 0) {
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perror("getmntinfo");
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exit(1);
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}
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mntp = mntbufp;
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for (i=0; i<nloc; ++i) {
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if ((colon = strchr(mntp->f_mntfromname, ':'))) {
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*colon = '\0';
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if (STREQ(colon + 1, path) &&
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is_same_host(mntp->f_mntfromname, host, hostaddr))
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return 1;
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}
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}
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return 0;
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}
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