git-annex/RemoteDaemon/Transport/Tor.hs
Joey Hess 070fb9e624
Added git-remote-tor-annex, which allows git pull and push to the tor hidden service.
Almost working, but there's a bug in the relaying.

Also, made tor hidden service setup pick a random port, to make it harder
to port scan.

This commit was sponsored by Boyd Stephen Smith Jr. on Patreon.
2016-11-21 17:27:38 -04:00

49 lines
1.4 KiB
Haskell

{- git-remote-daemon, tor hidden service transport
-
- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
module RemoteDaemon.Transport.Tor (server) where
import Common
import RemoteDaemon.Types
import RemoteDaemon.Common
import Utility.Tor
import Utility.FileMode
import Remote.Helper.Tor
import Remote.Helper.P2P
import Remote.Helper.P2P.IO
import Annex.UUID
import Types.UUID
import System.PosixCompat.User
import Network.Socket
import Control.Concurrent
import System.Log.Logger (debugM)
-- Run tor hidden service.
server :: TransportHandle -> IO ()
server th@(TransportHandle (LocalRepo r) _) = do
u <- liftAnnex th getUUID
uid <- getRealUserID
let ident = fromUUID u
let sock = socketFile uid ident
nukeFile sock
soc <- socket AF_UNIX Stream defaultProtocol
bind soc (SockAddrUnix sock)
-- Allow everyone to read and write to the socket; tor is probably
-- running as a different user. Connections have to authenticate
-- to do anything, so it's fine that other local users can connect.
modifyFileMode sock $ addModes
[groupReadMode, groupWriteMode, otherReadMode, otherWriteMode]
listen soc 2
debugM "remotedaemon" "tor hidden service running"
forever $ do
(conn, _) <- accept soc
forkIO $ do
debugM "remotedaemon" "handling a connection"
h <- torHandle conn
runNetProtoHandle h h r (serve u)
hClose h