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|
{- git-annex assistant repo pairing, core data types
-
- Copyright 2012 Joey Hess <joey@kitenet.net>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module Assistant.Pairing where
import Utility.Verifiable
import Assistant.Ssh
import Control.Concurrent
import Network.Socket
data PairStage
{- "I'll pair with anybody who shares the secret that can be used
- to verify this request." -}
= PairReq
{- "I've verified your request, and you can verify this to see
- that I know the secret. I set up your ssh key already.
- Here's mine for you to set up." -}
| PairAck
{- "I saw your PairAck; you can stop sending them." -}
| PairDone
deriving (Eq, Read, Show)
newtype PairMsg = PairMsg (Verifiable (PairStage, PairData))
deriving (Eq, Read, Show)
fromPairMsg :: PairMsg -> (Verifiable (PairStage, PairData))
fromPairMsg (PairMsg m) = m
pairMsgStage :: PairMsg -> PairStage
pairMsgStage (PairMsg (Verifiable (s, _) _)) = s
pairMsgData :: PairMsg -> PairData
pairMsgData (PairMsg (Verifiable (_, d) _)) = d
data PairData = PairData
-- uname -n output, not a full domain name
{ remoteHostName :: Maybe HostName
-- the address is included so that it can be verified, avoiding spoofing
, remoteAddress :: SomeAddr
, remoteUserName :: UserName
, remoteDirectory :: FilePath
, remoteSshPubKey :: SshPubKey
}
deriving (Eq, Read, Show)
type UserName = String
{- A pairing that is in progress has a secret, a thread that is
- broadcasting pairing messages, and a SshKeyPair that has not yet been
- set up on disk. -}
data PairingInProgress = PairingInProgress
{ inProgressSecret :: Secret
, inProgressThreadId :: ThreadId
, inProgressSshKeyPair :: SshKeyPair
}
data SomeAddr = IPv4Addr HostAddress | IPv6Addr HostAddress6
deriving (Ord, Eq, Read, Show)
|
