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#!/bin/sh
# -*- coding: utf-8 -*-
info()
{
echo "--- $*"
}
error()
{
echo "=== ERROR: $*" >&2
}
warning()
{
echo "=== WARNING: $*" >&2
}
die()
{
error "$*"
exit 1
}
entry_checks()
{
[ "$(id -u)" = "0" ] || die "Must be root to create users."
}
sys_groupadd()
{
local args="--system"
info "groupadd $args $*"
groupadd $args "$@" || die "Failed groupadd"
}
sys_useradd()
{
local args="--system -s /usr/sbin/nologin -d /nonexistent -M -N"
info "useradd $args $*"
useradd $args "$@" || die "Failed useradd"
}
do_usermod()
{
info "usermod $*"
usermod "$@" || die "Failed usermod"
}
stop_daemons()
{
systemctl stop letmeind.socket >/dev/null 2>&1
systemctl stop letmeind.service >/dev/null 2>&1
systemctl stop letmeinfwd.socket >/dev/null 2>&1
systemctl stop letmeinfwd.service >/dev/null 2>&1
}
remove_users()
{
# Delete all existing users and groups, if any.
userdel letmeind >/dev/null 2>&1
groupdel letmeind >/dev/null 2>&1
}
add_users()
{
sys_groupadd letmeind
sys_useradd -g letmeind letmeind
}
entry_checks
stop_daemons
remove_users
add_users
# vim: ts=4 sw=4 expandtab
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