-- Hoogle documentation, generated by Haddock
-- See Hoogle, http://www.haskell.org/hoogle/


-- | Simple wrapper around libssh2
--   
--   It supports authentication by password or keys. Everything is in the
--   SimpleSSH monad which is ErrorT SimpleSSHError IO, allowing to manage
--   errors in a <a>haskeller</a> way.
@package simplessh
@version 0.2.0.3

module Network.SSH.Client.SimpleSSH
data SimpleSSHError
Connect :: SimpleSSHError
Init :: SimpleSSHError
Handshake :: SimpleSSHError
KnownhostsInit :: SimpleSSHError
KnownhostsHostkey :: SimpleSSHError
KnownhostsCheck :: SimpleSSHError
Authentication :: SimpleSSHError
ChannelOpen :: SimpleSSHError
ChannelExec :: SimpleSSHError
Read :: SimpleSSHError
FileOpen :: SimpleSSHError
Write :: SimpleSSHError
Unknown :: SimpleSSHError
type SimpleSSH a = ErrorT SimpleSSHError IO a
data Session

-- | The result of a command execution.
data Result
Result :: ByteString -> ByteString -> ResultExit -> Result

-- | The process' stdout
resultOut :: Result -> ByteString

-- | The process' stderr
resultErr :: Result -> ByteString

-- | The process' exit code or signal
resultExit :: Result -> ResultExit

-- | Exit code or signal of a process.
data ResultExit
ExitSuccess :: ResultExit
ExitFailure :: Integer -> ResultExit
ExitSignal :: ByteString -> ResultExit
runSimpleSSH :: SimpleSSH a -> IO (Either SimpleSSHError a)

-- | Open a connection, authenticate, execute some action and close the
--   connection.
--   
--   It is the safe way of using SimpleSSH. This function is to be used to
--   authenticate with a pair username / password, otherwise see
--   <a>withSessionKey</a>.
withSessionPassword :: String -> Integer -> String -> String -> String -> (Session -> SimpleSSH a) -> SimpleSSH a

-- | Open a connection, authenticate, execute some action and close the
--   connection.
--   
--   It is the safe way of using SimpleSSH. This function is to be used to
--   authenticate with a key, otherwise see <a>withSessionPassword</a>.
withSessionKey :: String -> Integer -> String -> String -> String -> String -> String -> (Session -> SimpleSSH a) -> SimpleSSH a

-- | Send a command to the server.
--   
--   One should be authenticated before sending commands on a
--   <a>Session</a>.
execCommand :: Session -> String -> SimpleSSH Result

-- | Send a file to the server and returns the number of bytes transferred.
--   
--   One should be authenticated before sending files on a 'Session.
sendFile :: Session -> Integer -> String -> String -> SimpleSSH Integer

-- | Open a SSH session. The next step is to authenticate.
openSession :: String -> Integer -> String -> SimpleSSH Session

-- | Authenticate with a public key for a given username.
--   
--   Leave the passphrase empty if not needed.
--   
--   Authenticate a session with a pair username / password.
authenticateWithPassword :: Session -> String -> String -> SimpleSSH Session
authenticateWithKey :: Session -> String -> FilePath -> FilePath -> String -> SimpleSSH Session

-- | Close a session.
closeSession :: Session -> SimpleSSH ()