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f938d2c892
The netfilter code had very good documentation: the Netfilter Hacking HOWTO. Noone ever read it. So this time I'm trying something different, using a bit of Knuthiness. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
58 lines
1.2 KiB
Bash
58 lines
1.2 KiB
Bash
#! /bin/sh
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set -e
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PREFIX=$1
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shift
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trap 'rm -r $TMPDIR' 0
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TMPDIR=`mktemp -d`
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exec 3>/dev/null
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for f; do
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while IFS="
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" read -r LINE; do
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case "$LINE" in
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*$PREFIX:[0-9]*:\**)
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NUM=`echo "$LINE" | sed "s/.*$PREFIX:\([0-9]*\).*/\1/"`
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if [ -f $TMPDIR/$NUM ]; then
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echo "$TMPDIR/$NUM already exits prior to $f"
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exit 1
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fi
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exec 3>>$TMPDIR/$NUM
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echo $f | sed 's,\.\./,,g' > $TMPDIR/.$NUM
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/bin/echo "$LINE" | sed -e "s/$PREFIX:[0-9]*//" -e "s/:\*/*/" >&3
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;;
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*$PREFIX:[0-9]*)
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NUM=`echo "$LINE" | sed "s/.*$PREFIX:\([0-9]*\).*/\1/"`
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if [ -f $TMPDIR/$NUM ]; then
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echo "$TMPDIR/$NUM already exits prior to $f"
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exit 1
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fi
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exec 3>>$TMPDIR/$NUM
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echo $f | sed 's,\.\./,,g' > $TMPDIR/.$NUM
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/bin/echo "$LINE" | sed "s/$PREFIX:[0-9]*//" >&3
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;;
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*:\**)
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/bin/echo "$LINE" | sed -e "s/:\*/*/" -e "s,/\*\*/,," >&3
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echo >&3
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exec 3>/dev/null
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;;
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*)
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/bin/echo "$LINE" >&3
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;;
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esac
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done < $f
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echo >&3
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exec 3>/dev/null
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done
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LASTFILE=""
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for f in $TMPDIR/*; do
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if [ "$LASTFILE" != $(cat $TMPDIR/.$(basename $f) ) ]; then
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LASTFILE=$(cat $TMPDIR/.$(basename $f) )
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echo "[ $LASTFILE ]"
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fi
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cat $f
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done
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