local passwordUserPopup (string message, string defaultuser) -> map<string, string>

Allow user to type in a user/password pair in a popup.

Parameters:

message	a text to be displayed above the password text entry
defaultuser	a pre-filled user name

Return value:

$["user": string, "password": string] with information provided by the user or nil on cancel

local ReallyAbort () -> boolean

If modified, ask for confirmation

Return value:

true if abort is confirmed

local WorkgroupWidget () -> term

Return a complex widget for setting a workgroup or domain. Contains Browse button.

Return value:

the widget term

local CheckWorkgroup (string workgroup) -> symbol

Check, if the workgroup is a domain or a workgroup. Uses caching to avoid long checks of a workgroup members.

Parameters:

workgroup

the workgroup to be checked

Return value:

type of the workgroup: `joined_domain, `not_joined_domain, `workgroup or `domain if it is a domain, but the status is not known

local AskJoinDomain (string workgroup, symbol status) -> symbol

Allow to join a domain. Uses result of CheckWorkgroup to inform the user about the status.

Parameters:

workgroup	the workgroup to be joined
status	domain status returned by CheckWorkgroup

Return value:

`ok on successful join (workgroup is always successful), `fail on error or user cancel `nojoin if user don't want to join

local BrowseWorkgroups () -> string

Show a selection popup to select a workgroup from the ones existing on LAN.

Return value:

chosen workgroup or nil if cancelled