42 lines
617 B
Bash
42 lines
617 B
Bash
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#!/bin/sh
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set -ex
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# Without arguments, simply exec shell
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[[ -z $1 ]] && {
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exec /bin/sh
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}
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# If the first character from the input is different from "-"
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# execute the command - allow it to run any command
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[[ ! "${1:0:1}" = '-' ]] && {
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exec "$@"
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}
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debug=""
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bind="0.0.0.0"
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while [ "$#" != "0" ]; do
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case $1 in
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-debug)
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debug="-d -d -d -d"
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;;
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-any)
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;;
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-iface)
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bind="$1"
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;;
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*)
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echo "Unknown Argument [$1]."
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echo "Aborting."
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exit 1
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;;
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esac
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shift
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done
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exec socat $debug UDP4-RECVFROM:53,fork,bind="$bind" UDP4-SENDTO:127.0.0.11:53
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