git-annex/Command/EnableTor.hs
Joey Hess 405fbd25e1
include tor-annex in hidden service directory names
To make it easier to manage/delete them etc.

Backwards compatablity is preserved for existing tor configs.
2016-12-21 14:39:32 -04:00

61 lines
1.5 KiB
Haskell

{- git-annex command
-
- Copyright 2016 Joey Hess <id@joeyh.name>
-
- Licensed under the GNU GPL version 3 or higher.
-}
{-# LANGUAGE CPP #-}
module Command.EnableTor where
import Command
import P2P.Address
import Utility.Tor
import Annex.UUID
import Config.Files
#ifndef mingw32_HOST_OS
import Utility.Su
import System.Posix.User
#endif
-- This runs as root, so avoid making any commits or initializing
-- git-annex, or doing other things that create root-owned files.
cmd :: Command
cmd = noCommit $ dontCheck repoExists $
command "enable-tor" SectionSetup "enable tor hidden service"
"uid" (withParams seek)
seek :: CmdParams -> CommandSeek
seek = withWords start
start :: [String] -> CommandStart
start os = do
uuid <- getUUID
when (uuid == NoUUID) $
giveup "This can only be run in a git-annex repository."
#ifndef mingw32_HOST_OS
curruserid <- liftIO getEffectiveUserID
if curruserid == 0
then case readish =<< headMaybe os of
Nothing -> giveup "Need user-id parameter."
Just userid -> go uuid userid
else do
liftIO $ putStrLn "Need root access to enable tor..."
gitannex <- liftIO readProgramFile
let ps = [Param (cmdname cmd), Param (show curruserid)]
ifM (liftIO $ runAsRoot gitannex ps)
( stop
, giveup $ unwords $
[ "Failed to run as root:" , gitannex ] ++ toCommand ps
)
#else
go uuid 0
#endif
where
go uuid userid = do
(onionaddr, onionport) <- liftIO $
addHiddenService torAppName userid (fromUUID uuid)
storeP2PAddress $ TorAnnex onionaddr onionport
stop