File: sudoff.sh
   1 #!/bin/sh
   2 
   3 # The MIT License (MIT)
   4 #
   5 # Copyright (c) 2026 pacman64
   6 #
   7 # Permission is hereby granted, free of charge, to any person obtaining a copy
   8 # of this software and associated documentation files (the "Software"), to deal
   9 # in the Software without restriction, including without limitation the rights
  10 # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  11 # copies of the Software, and to permit persons to whom the Software is
  12 # furnished to do so, subject to the following conditions:
  13 #
  14 # The above copyright notice and this permission notice shall be included in
  15 # all copies or substantial portions of the Software.
  16 #
  17 # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  18 # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  19 # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  20 # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  21 # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  22 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  23 # SOFTWARE.
  24 
  25 
  26 # sudoff [options...] [command...] [args...]
  27 #
  28 # Turn SUDo privileges OFF right away. When given any arguments, these are
  29 # `sudo-run` as a command first, before relinquishing `sudo` privileges.
  30 #
  31 # By default the `sudo` command on its own keeps the escalated privileges
  32 # for a few minutes, which is a debatable choice this tool simply avoids.
  33 #
  34 # The options are, available both in single and double-dash versions
  35 #
  36 #   -h, -help    show this help message
  37 
  38 
  39 case "$1" in
  40     -h|--h|-help|--help)
  41         awk '/^# +sudoff /, /^$/ { gsub(/^# ?/, ""); print }' "$0"
  42         exit 0
  43     ;;
  44 
  45     --) shift ;;
  46 
  47     -*)
  48         printf "unsupported option '%s'\n" "$1" >&2
  49         exit 1
  50     ;;
  51 esac
  52 
  53 code=0
  54 if [ $# -gt 0 ]; then
  55     sudo "$@"
  56     code=$?
  57 fi
  58 sudo -k
  59 exit "${code}"