Files
cis/core/addNormalUser.sh
2025-02-21 17:18:23 +01:00

43 lines
1.5 KiB
Bash
Executable File

#!/bin/bash
#WARNING: Used for core functionality in setup.sh
# DO NOT rename the script and test changes well!
# Note that an unprivileged user can use this script successfully,
# if no user has to be added to the host because it already exists.
function addNormalUser() {
local _USER
_USER="${1:?"Missing first parameter USER"}"
readonly _USER
#The user already exists
id -u "${_USER}" &> /dev/null \
&& echo "SUCCESS: The user already exists: ("$(readlink -f ${0})")" \
&& echo " - '${_USER}'" \
&& return 0
# useradd is a low level utility ... use adduser(8) instead.
# See: https://askubuntu.com/questions/345974/what-is-the-difference-between-adduser-and-useradd
[ "$(id -u)" == "0" ] \
&& adduser --gecos 'Normal user' --disabled-password "${_USER}" \
&& chown -R "${_USER}:${_USER}" "/home/${_USER}" \
&& echo "SUCCESS: The user was created: ("$(readlink -f ${0})")" \
&& echo " - '${_USER}'" \
&& echo " - no password was set, use passwd if needed" \
&& echo " - existing home directories were taken over" \
&& return 0
echo "FAIL: The user could not be created: ("$(readlink -f ${0})")"
echo " - '${_USER}'"
echo " - due to an error or insufficient rights."
return 1
}
# sanitizes all parameters
addNormalUser "$(echo ${1} | sed -E 's|[^a-zA-Z0-9/:@._-]*||g')" \
&& exit 0
exit 1