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msg() {
ALL_OFF="\e[1;0m"
BOLD="\e[1;1m"
GREEN="${BOLD}\e[1;32m"
local mesg=$1; shift
printf "${GREEN}==>${ALL_OFF}${BOLD} ${mesg}${ALL_OFF}" "$@" >&2
}
add_users() {
_l="/etc/login.defs"
_p="/etc/passwd"
## get mini UID limit ##
l=$(grep "^UID_MIN" $_l)
## get max UID limit ##
l1=$(grep "^UID_MAX" $_l)
## use awk to print if UID >= $MIN and UID <= $MAX and shell is not /sbin/nologin ##
users=$(awk -F':' -v "min=${l##UID_MIN}" -v "max=${l1##UID_MAX}" '{ if ( $3 >= min && $3 <= max && $7 != "/sbin/nologin" ) print $0 }' "$_p" | cut -d: -f1)
for i in $users; do
msg "Adding user '$i' to user-group 'input,video,plugdev'"
usermod -a -G input $i
usermod -a -G video $i
usermod -a -G plugdev $i
done
}
add_group() {
getent group "input" &>/dev/null || groupadd -r input
getent group "video" &>/dev/null || groupadd -r video
getent group "plugdev" &>/dev/null || groupadd -r plugdev
add_users
}
post_upgrade() {
add_group
echo ""
msg "Please add new users to 'input,video,plugdev' group."
echo ""
}
post_install() {
add_group
echo ""
msg "Please add new users to 'input,video,plugdev' group."
msg "Reboot your system, so changes will take effect.."
echo ""
}
# vim: ts=2 sw=2 et:
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