/usr/share/augeas/lenses/dist/ethers.aug is in augeas-lenses 1.2.0-0ubuntu1.3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 | (* Parsing /etc/ethers *)
module Ethers =
autoload xfm
let sep_tab = Util.del_ws_tab
let eol = del /[ \t]*\n/ "\n"
let indent = del /[ \t]*/ ""
let comment = Util.comment
let empty = [ del /[ \t]*#?[ \t]*\n/ "\n" ]
let word = /[^# \n\t]+/
let address =
let hex = /[0-9a-fA-F][0-9a-fA-F]?/ in
hex . ":" . hex . ":" . hex . ":" . hex . ":" . hex . ":" . hex
let record = [ seq "ether" . indent .
[ label "mac" . store address ] . sep_tab .
[ label "ip" . store word ] . eol ]
let lns = ( empty | comment | record ) *
let xfm = transform lns (incl "/etc/ethers")
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