import System.Exit (ExitCode(..), exitWith)
import System.IO (stderr, hPutStrLn)
-import Cidr (Cidr,
- from_string,
- is_valid_cidr,
- min_first_octet,
- min_second_octet,
- min_third_octet,
- min_fourth_octet,
- max_first_octet,
- max_second_octet,
- max_third_octet,
- max_fourth_octet)
+import Cidr (Cidr(..),
+ cidr_from_string)
import CommandLine (help_set,
help_text,
Mode(..),
parse_errors,
parse_mode)
-
+
+import IPv4Address
+import Octet
+
-- Some exit codes, used in the ExitFailure constructor.
exit_invalid_cidr :: Int
exit_invalid_cidr = 1
range2 = numeric_range min2 max2
range3 = numeric_range min3 max3
range4 = numeric_range min4 max4
- min1 = min_first_octet cidr
- min2 = min_second_octet cidr
- min3 = min_third_octet cidr
- min4 = min_fourth_octet cidr
- max1 = max_first_octet cidr
- max2 = max_second_octet cidr
- max3 = max_third_octet cidr
- max4 = max_fourth_octet cidr
+ min1 = octet_to_int (min_octet1 (ipv4address cidr) (maskbits cidr))
+ min2 = octet_to_int (min_octet2 (ipv4address cidr) (maskbits cidr))
+ min3 = octet_to_int (min_octet3 (ipv4address cidr) (maskbits cidr))
+ min4 = octet_to_int (min_octet4 (ipv4address cidr) (maskbits cidr))
+ max1 = octet_to_int (max_octet1 (ipv4address cidr) (maskbits cidr))
+ max2 = octet_to_int (max_octet2 (ipv4address cidr) (maskbits cidr))
+ max3 = octet_to_int (max_octet3 (ipv4address cidr) (maskbits cidr))
+ max4 = octet_to_int (max_octet4 (ipv4address cidr) (maskbits cidr))
upper = maximum [x,y]
--- Take a CIDR String, and exit with a failure if it's invalid.
-validate_or_die :: String -> IO ()
-validate_or_die cidr = do
- if (Cidr.is_valid_cidr cidr)
- then do
- return ()
- else do
- putStrLn "Error: not valid CIDR notation."
- exitWith (ExitFailure exit_invalid_cidr)
-
-
-
main :: IO ()
main = do
-- First, check for any errors that occurred while parsing
input <- inputfunc
let cidr_strings = lines input
- mapM validate_or_die cidr_strings
- let cidrs = map Cidr.from_string cidr_strings
+ let cidrs = map Cidr.cidr_from_string cidr_strings
+
+ if (any (== Cidr.None) cidrs)
+ then do
+ putStrLn "Error: not valid CIDR notation."
+ exitWith (ExitFailure exit_invalid_cidr)
+ else do -- Nothing
-- Get the mode of operation.
mode <- CommandLine.parse_mode