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module Property.User where
import System.Posix
import Control.Applicative
import Data.Maybe
import Property
import Utility.SafeCommand
import Utility.Exception
import Utility.Process
type UserName = String
nonsystem :: UserName -> Property
nonsystem user = check (isNothing <$> homedir user) $ cmdProperty "adduser"
[ Param "--disabled-password"
, Param "--gecos", Param ""
, Param user
]
{- Removes user home directory!! Use with caution. -}
nuked :: UserName -> Property
nuked user = check (isJust <$> homedir user) $ cmdProperty "userdel"
[ Param "-r"
, Param user
]
lockedPassword :: UserName -> Property
lockedPassword user = check (not <$> isLockedPassword user) $ cmdProperty "passwd"
[ Param "--lock"
, Param user
]
isLockedPassword :: UserName -> IO Bool
isLockedPassword user = parse . words <$> readProcess "passwd" ["-S", user]
where
parse (_:"L":_) = True
parse _ = False
homedir :: UserName -> IO (Maybe FilePath)
homedir user = catchMaybeIO $ homeDirectory <$> getUserEntryForName user
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