diff options
Diffstat (limited to 'Network/DNS/Internal.hs')
| -rw-r--r-- | Network/DNS/Internal.hs | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/Network/DNS/Internal.hs b/Network/DNS/Internal.hs index ac6b8ba..f29ed3e 100644 --- a/Network/DNS/Internal.hs +++ b/Network/DNS/Internal.hs @@ -1,20 +1,23 @@ module Network.DNS.Internal where -import Data.Maybe +import Data.Char import Data.IP +import Data.Maybe ---------------------------------------------------------------- -data TYPE = A | AAAA | NS | TXT | MX | CNAME | UNKNOWN deriving (Eq, Show, Read) +data TYPE = A | AAAA | NS | TXT | MX | CNAME | SOA + | UNKNOWN Int deriving (Eq, Show, Read) rrDB :: [(TYPE, Int)] rrDB = [ - (A, 1) - , (NS, 2) - , (CNAME, 5) - , (MX, 15) - , (TXT, 16) - , (AAAA, 28) + (A, 1) + , (NS, 2) + , (CNAME, 5) + , (SOA, 6) + , (MX, 15) + , (TXT, 16) + , (AAAA, 28) ] rookup :: (Eq b) => b -> [(a,b)] -> Maybe a @@ -24,10 +27,14 @@ rookup key ((x,y):xys) | otherwise = rookup key xys intToType :: Int -> TYPE -intToType n = maybe UNKNOWN id $ rookup n rrDB +intToType n = maybe (UNKNOWN n) id $ rookup n rrDB typeToInt :: TYPE -> Int +typeToInt (UNKNOWN x) = x typeToInt t = maybe 0 id $ lookup t rrDB +toType :: String -> TYPE +toType = read . map toUpper + ---------------------------------------------------------------- data QorR = QR_Query | QR_Response deriving (Eq, Show) @@ -60,15 +67,18 @@ data ResourceRecord = ResourceRecord { , rdata :: RDATA } deriving (Eq, Show) -data RDATA = RD_NS Domain | RD_CNAME Domain +data RDATA = RD_NS Domain | RD_CNAME Domain | RD_MX Int Domain + | RD_SOA Domain Domain Int Int Int Int Int | RD_A IPv4 | RD_AAAA IPv6 | RD_OTH [Int] deriving (Eq) instance Show RDATA where show (RD_NS dom) = dom + show (RD_MX prf dom) = dom ++ " " ++ show prf show (RD_CNAME dom) = dom show (RD_A a) = show a show (RD_AAAA aaaa) = show aaaa + show (RD_SOA mn _ _ _ _ _ mi) = mn ++ " " ++ show mi show (RD_OTH is) = show is ---------------------------------------------------------------- |