#!/bin/sh
case "$1" in
# we only allow executing these commands
useradd|usermod|userdel|groupadd|groupmod|groupdel|passwd|gpasswd)
    # TODO: platforms using different commands can add wrapper scripts here.
    export LC_ALL=C
    exec "$@"
    ;;
*)
    echo "Command '$1' is not allowed!"
    exit 1
    ;;
esac