102 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
			
		
		
	
	
			102 lines
		
	
	
		
			2.8 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
| #!/bin/bash
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| #
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| # Copyright (c) International Business Machines  Corp., 2005
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| # Author: Avantika Mathur (mathurav@us.ibm.com)
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| #
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| # This library is free software; you can redistribute it and/or
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| # modify it under the terms of the GNU Lesser General Public
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| # License as published by the Free Software Foundation; either
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| # version 2.1 of the License, or (at your option) any later version.
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| #
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| # This library is distributed in the hope that it will be useful,
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| # but WITHOUT ANY WARRANTY; without even the implied warranty of
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| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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| # Lesser General Public License for more details.
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| #
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| # You should have received a copy of the GNU Lesser General Public
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| # License along with this library; if not, write to the Free Software
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| # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
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| #
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| 
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| mflags=""
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| #mflags="-n" # Don't futz with mtab
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| 
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| flag=y
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| while getopts "n" arg "$@"
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| do
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|         case "$arg" in
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|         n)      flag=n
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|                 shift
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|                 ;;
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|         esac
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| done
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| 
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| bind_type="$1"
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| dir="$2"
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| 
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| 
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| if [ ! -d "$dir" ]
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| then
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| 	if [ -e "$dir" ]; then
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| 		echo "ERROR: a file by the name \"$dir\" exists"
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| 		exit 1
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| 	fi
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| 	mkdir -p "$dir"
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| 	echo "mkdir -p \"$dir\""
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| fi
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| 
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| 
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| if [ "$flag" = "y" ] && [ "$bind_type" != slave ]
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| then
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| 	mount $mflags --bind "$dir" "$dir" || exit $?
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| 	echo "mount $mflags --bind \"$dir\" \"$dir\""
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| fi
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| 
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| # Try to use native mount, else fallback to included smount binary
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| case "$bind_type" in
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|    share)
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|    	echo "mount $mflags --make-rshared \"$dir\""
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| 	mount $mflags --make-rshared "$dir" 2> /dev/null || \
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| 	smount "$dir" rshared || exit $?
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|       	;;
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|    priv)
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|    	echo "mount $mflags --make-rprivate \"$dir\""
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| 	mount $mflags --make-rprivate "$dir" 2> /dev/null || \
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| 	smount "$dir" rprivate || exit $?
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|       	;;
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|    slave)
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|    	echo "mount $mflags --make-rslave \"$dir\""
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| 	mount $mflags --make-rslave "$dir" 2> /dev/null || \
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| 	smount "$dir" rslave || exit $?
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|       	;;
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|    unclone)
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|    	echo "mount $mflags --make-runbindable \"$dir\""
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| 	mount $mflags --make-runbindable "$dir" 2> /dev/null || \
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| 	smount "$dir" runclone || exit $?
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|       	;;
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|    nshare)
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|    	echo "mount $mflags --make-shared \"$dir\""
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| 	mount $mflags --make-shared "$dir" 2> /dev/null || \
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| 	smount "$dir" shared || exit $?
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|       	;;
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|    npriv)
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|    	echo "mount $mflags --make-private \"$dir\""
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| 	mount $mflags --make-private "$dir" 2> /dev/null || \
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| 	smount "$dir" private || exit $?
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|       	;;
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|    nslave)
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|    	echo "mount $mflags --make-slave \"$dir\""
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| 	mount $mflags --make-slave "$dir" 2> /dev/null || \
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| 	smount "$dir" slave || exit $?
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|       	;;
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|    nunclone)
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|    	echo "mount $mflags --make-unbindable \"$dir\""
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| 	mount $mflags --make-unbindable "$dir" 2> /dev/null || \
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| 	smount "$dir" unclone || exit $?
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|       	;;
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|    *)
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|    	echo "$0: unrecognized bind type (1st arg): $bind_type" 1>&2
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| 	exit 1
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| 	;;
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| esac
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