From b04dd1bba833852e22844696ecad365a11248e98 Mon Sep 17 00:00:00 2001
From: joe <joe@jerkface.net>
Date: Mon, 2 May 2016 00:21:02 +0000
Subject: implemented cokiki hosts command to merge cache hosts with etc hosts.

---
 cokiki.hs | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'cokiki.hs')

diff --git a/cokiki.hs b/cokiki.hs
index 292b0b7..8e6ec35 100644
--- a/cokiki.hs
+++ b/cokiki.hs
@@ -19,6 +19,7 @@ import System.Exit
 import System.IO
 import System.Posix.User
 import CommandLine
+import qualified Hosts
 
 usage = unlines
     [ "cokiki <command> [--chroot=ROOTDIR]"
@@ -52,6 +53,9 @@ usage = unlines
     , ""
     , "  tor          Modify /etc/tor/torrc to configure a tor hidden"
     , "               service for email (smtp), ssh, and http ports."
+    , ""
+    , "  hosts        Merge hostnames from /var/cache/kiki/config/hosts"
+    , "               into system file /etc/hosts."
     ]
 
 main = do
@@ -62,6 +66,7 @@ main = do
                 ["ssh-server"] -> Just $ sshServer  uid <$> Kiki.ㄧchroot <*> Kiki.ㄧhomedir
                 ["strongswan"] -> Just $ strongswan uid <$> Kiki.ㄧchroot <*> Kiki.ㄧhomedir
                 ["tor"]        -> Just $ configureTor uid <$> Kiki.ㄧchroot <*> Kiki.ㄧhomedir
+		["hosts"]      -> Just $ configureHosts uid <$> Kiki.ㄧchroot <*> Kiki.ㄧhomedir
                 _ -> Nothing
         spec = uncurry fancy Kiki.kikiOptions ""
         errorQuit msg = do
@@ -77,6 +82,7 @@ main = do
 maybeReadFile :: FilePath -> IO (Maybe L.ByteString)
 maybeReadFile path = do
     doesFileExist path >>= bool (return Nothing) (Just <$> L.readFile path)
+
 myWriteFile f bs = do
     createDirectoryIfMissing True (takeDirectory f)
     hPutStrLn stderr $ "Writing "++f
@@ -212,6 +218,14 @@ configureTor uid root cmn = whenRoot uid root cmn $ do
     Kiki.importAndRefresh root cmn
     return ()
 
+configureHosts uid root cmn = whenRoot uid root cmn $ do
+    Kiki.importAndRefresh root cmn
+    hosts <- Hosts.decode . fromMaybe "" <$> maybeReadFile (root "/etc/hosts")
+    kikihosts <- Hosts.decode . fromMaybe "" <$> maybeReadFile (root "/var/cache/kiki/config/hosts")
+    let hosts' = hosts `Hosts.plus` kikihosts
+    case Hosts.diff hosts hosts' of
+        [] -> hPutStrLn stderr "kiki hosts are already merged."
+        _ -> myWriteFile (root "/etc/hosts") $ Hosts.encode hosts'
 
 parseSshConfig :: L.ByteString -> [[L.ByteString]]
 parseSshConfig bs = map tokenize $ L8.lines bs
-- 
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