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# bash completion for iptables -*- shell-script -*-
_iptables()
{
local cur prev words cword split
_init_completion -s || return
local table chain='s/^Chain \([^ ]\{1,\}\).*$/\1/p'
[[ "${words[*]}" =~ [[:space:]]-(t|-table=?)[[:space:]]*([^[:space:]]+) ]] \
&& table="-t ${BASH_REMATCH[2]}"
case $prev in
-*[AIDRPFXLZ])
COMPREPLY=( $(compgen -W '`"$1" $table -nL 2>/dev/null | \
command sed -ne "s/^Chain \([^ ]\{1,\}\).*$/\1/p"`' -- "$cur") )
;;
-*t)
COMPREPLY=( $(compgen -W 'nat filter mangle' -- "$cur") )
;;
-j)
if [[ "$table" == "-t filter" || -z "$table" ]]; then
COMPREPLY=( $(compgen -W 'ACCEPT DROP LOG ULOG REJECT
`"$1" $table -nL 2>/dev/null | command sed -ne "$chain" \
-e "s/INPUT|OUTPUT|FORWARD|PREROUTING|POSTROUTING//"`' -- \
"$cur") )
elif [[ $table == "-t nat" ]]; then
COMPREPLY=( $(compgen -W 'ACCEPT DROP LOG ULOG REJECT MIRROR SNAT
DNAT MASQUERADE `"$1" $table -nL 2>/dev/null | \
command sed -ne "$chain" -e "s/OUTPUT|PREROUTING|POSTROUTING//"`' \
-- "$cur") )
elif [[ $table == "-t mangle" ]]; then
COMPREPLY=( $(compgen -W 'ACCEPT DROP LOG ULOG REJECT MARK TOS
`"$1" $table -nL 2>/dev/null | command sed -ne "$chain" \
-e "s/INPUT|OUTPUT|FORWARD|PREROUTING|POSTROUTING//"`' -- \
"$cur") )
fi
;;
*)
if [[ "$cur" == -* ]]; then
COMPREPLY=( $(compgen -W '$("$1" --help 2>&1 |
command sed -e "s/^\[\!\]//" | _parse_help -)' -- "$cur") )
[[ $COMPREPLY == *= ]] && compopt -o nospace
fi
;;
esac
} &&
complete -F _iptables iptables
# ex: filetype=sh
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