words )
import Data.List ((\\))
import Data.String.Utils (join)
-
import Network.DNS (
Domain,
FileOrNumericHost(RCHostName),
defaultResolvConf,
makeResolvSeed,
withResolver )
+import System.Exit (ExitCode(..), exitWith)
+import System.IO (hPutStrLn, stderr)
+
import CommandLine (Args(..), get_args)
import DNS (
LookupResult,
lookupMX',
lookupNS',
- normalize )
+ normalize,
+ normalize_case,
+ resolve_address )
+import ExitCodes (exit_bad_server)
report :: (Domain, Maybe [Domain]) -> IO ()
report (d, Nothing) =
-- Convert these to ByteStrings.
let raw_delegates = map BS.pack (delegates cfg)
- -- Normalize the given names and delegates
- let nrml_domains = map normalize raw_domains
- let nrml_delegates = map normalize raw_delegates
+ let normalize_function =
+ if (no_append_root cfg)
+ then normalize_case
+ else normalize
- let rc = case (server cfg) of
- Nothing -> defaultResolvConf
- Just s -> defaultResolvConf { resolvInfo = RCHostName s }
+ -- Normalize the given names and delegates
+ let nrml_domains = map normalize_function raw_domains
+ let nrml_delegates = map normalize_function raw_delegates
+
+ rc <- case (server cfg) of
+ Nothing -> return defaultResolvConf
+ Just s -> do
+ s' <- resolve_address s
+ case s' of
+ Nothing -> do
+ hPutStrLn stderr ("Bad DNS server or lookup error: " ++ s)
+ exitWith (ExitFailure exit_bad_server)
+ Just s'' ->
+ return $ defaultResolvConf { resolvInfo =
+ RCHostName (show s'') }
rs <- makeResolvSeed rc
let lookup_function = case cfg of
- (NS _ _) -> lookupNS'
- (MX _ _) -> lookupMX'
+ (NS _ _ _) -> lookupNS'
+ (MX _ _ _) -> lookupMX'
_ <- withResolver rs $ \resolver -> do
-- Bad stuff happens if we try to run these lookups in parallel