Haskell Core Libraries (unix package) Parent Contents Index

System.Posix.User Portability non-portable (requires POSIX) Stability provisional Maintainer libraries@haskell.org

Contents

User environment Querying the user environment The group database The user database Modifying the user environment

Description

POSIX user/group support

Synopsis

getRealUserID :: IO UserID getRealGroupID :: IO GroupID getEffectiveUserID :: IO UserID getEffectiveGroupID :: IO GroupID getGroups :: IO [GroupID] getLoginName :: IO String getEffectiveUserName :: IO String data GroupEntry = GroupEntry { groupName :: String groupID :: GroupID groupMembers :: [String] } getGroupEntryForID :: GroupID -> IO GroupEntry getGroupEntryForName :: String -> IO GroupEntry data UserEntry = UserEntry { userName :: String userID :: UserID userGroupID :: GroupID homeDirectory :: String userShell :: String } getUserEntryForID :: UserID -> IO UserEntry getUserEntryForName :: String -> IO UserEntry setUserID :: UserID -> IO () setGroupID :: GroupID -> IO ()

User environment

Querying the user environment

getRealUserID :: IO UserID

getRealGroupID :: IO GroupID

getEffectiveUserID :: IO UserID

getEffectiveGroupID :: IO GroupID

getGroups :: IO [GroupID]

getLoginName :: IO String

getEffectiveUserName :: IO String

The group database

data GroupEntry

Constructors GroupEntry groupName :: String groupID :: GroupID groupMembers :: [String]

getGroupEntryForID :: GroupID -> IO GroupEntry

getGroupEntryForName :: String -> IO GroupEntry

The user database

data UserEntry

Constructors UserEntry userName :: String userID :: UserID userGroupID :: GroupID homeDirectory :: String userShell :: String

getUserEntryForID :: UserID -> IO UserEntry

getUserEntryForName :: String -> IO UserEntry

Modifying the user environment

setUserID :: UserID -> IO ()

setGroupID :: GroupID -> IO ()

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