{-# LANGUAGE DoAndIfThenElse #-} {-# LANGUAGE ViewPatterns #-} {-# LANGUAGE PatternGuards #-} {-# LANGUAGE TupleSections #-} {-# LANGUAGE OverloadedStrings #-} {-# LANGUAGE RankNTypes #-} {-# LANGUAGE FlexibleInstances #-} {-# LANGUAGE DeriveDataTypeable #-} module Main ( main ) where import Control.Monad import Data.ASN1.BinaryEncoding import Data.ASN1.Encoding import Data.ASN1.Types import Data.Binary import Data.Bits import Data.Char import Data.IORef import Data.Int import Data.List import Data.Maybe import Data.OpenPGP import Data.Ord import Data.String import Text.Show.Pretty as PP ( ppShow ) import Data.Text.Encoding import System.Posix.Files import Foreign.C.Types (CTime(..)) import System.Environment import System.Exit import System.IO (hPutStrLn,stderr) import qualified Data.ByteString.Char8 as S8 import Data.ByteArray.Encoding import qualified Codec.Archive.Tar as Tar import qualified Codec.Archive.Tar.Entry as Tar import Crypto.Hash.Algorithms (RIPEMD160(..)) import Crypto.Hash import Data.ByteArray (convert) import qualified Data.ByteString as S import qualified Data.ByteString.Lazy as L import qualified Data.ByteString.Lazy.Char8 as Char8 import qualified Data.Map as Map import Control.Arrow (first,second) import Data.Monoid ( (<>) ) import Data.Binary.Put import System.Posix.User import CommandLine import Data.OpenPGP.Util (verify, fingerprint, GenerateKeyParams(..)) import ScanningParser import PEM import DotLock import KeyRing hiding (pemFromPacket) import Base58 import qualified CryptoCoins -- import Chroot import qualified SSHKey as SSH import qualified DNSKey as DNS import Data.Time.Clock.POSIX ( posixSecondsToUTCTime ) import Kiki import KeyDB import Network.Socket (SockAddr) import FunctorToMaybe -- {-# ANN module ("HLint: ignore Eta reduce"::String) #-} -- {-# ANN module ("HLint: ignore Use camelCase"::String) #-} isCertificationSig :: SignatureOver -> Bool isCertificationSig (CertificationSignature {}) = True isCertificationSig _ = True fpmatch :: Maybe [Char] -> Packet -> Bool fpmatch grip key = (==) Nothing (fmap (backend (fingerprint key)) grip >>= guard . not) where backend xs ys = and $ zipWith (==) (reverse xs) (reverse ys) listKeys :: [Packet] -> [Char] listKeys pkts = listKeysFiltered [] pkts -- | listKeysFiltered -- @grips fingerprints of keys to show -- @pkts list of pgp packets -- Build the display output -- Operates in List Monad... -- returns all output as a single string listKeysFiltered :: Foldable t => t [Char] -> [Packet] -> [Char] listKeysFiltered grips pkts = do let masterkeys = filter (\k -> isKey k && not (is_subkey k)) pkts (certs,bs) = getBindings pkts as = accBindings bs defaultkind (k:_) hs = k defaultkind [] hs = fromMaybe "subkey" ( listToMaybe . mapMaybe (fmap usageString . keyflags) $ hs) kinds = map (\(_,_,k,h,_)->defaultkind k h) as kindwidth = maximum $ map length kinds kindcol = min 20 kindwidth code (c,(m,s),_,_,_) = (fingerprint_material m,-c) ownerkey (_,(a,_),_,_,_) = a sameMaster (ownerkey->a) (ownerkey->b) = fingerprint_material a==fingerprint_material b matchgrip _ | null grips = True matchgrip ((code,(top,sub), kind, hashed,claimants):_) | any (flip fpmatch top . Just) grips = True matchgrip _ = False gs = filter matchgrip $ groupBy sameMaster (sortBy (comparing code) as) singles = filter (\k -> fingerprint k `notElem` map fingerprint parents) masterkeys -- \\ parents where parents = do subs@((_,(top,_),_,_,_):_) <- gs return top showsigs claimants = map (\k -> " " ++ "^ signed: " ++ fingerprint k) claimants subs0 <- map Left gs ++ map Right singles let (top,subs) = case subs0 of Left subs1@((_,(top0,_),_,_,_):_) -> (top0,subs1) Right top0 -> (top0,[]) Left [] -> error "groupBy returned an empty group?" let subkeys = do (code,(top,sub), kind, hashed,claimants) <- subs let ar = case code of 0 -> " ??? " 1 -> " --> " 2 -> " <-- " 3 -> " <-> " _ -> error "Unknown signature scenario." formkind = take kindcol $ defaultkind kind hashed ++ repeat ' ' -- torhash = fromMaybe "" $ derToBase32 <$> derRSA sub (netid,kind') = maybe (0x0,"bitcoin") (\n->(CryptoCoins.publicByteFromName n,n)) $ listToMaybe kind unlines $ concat [ " " -- , grip top , ar , formkind , " " , fingerprint sub , kcipher sub -- , " " ++ (torhash sub) -- , " " ++ (concatMap (printf "%02X") $ S.unpack (ecc_curve sub)) ] -- ++ ppShow hashed : if isCryptoCoinKey sub -- then (" " ++ "B⃦ " ++ bitcoinAddress sub) : showsigs claimants -- then (" " ++ "BTC " ++ bitcoinAddress sub) : showsigs claimants then (" " ++ "¢ "++kind'++":" ++ bitcoinAddress netid sub) : showsigs claimants else showsigs claimants kcipher k = if isSecretKey k then " " ++ ciphername (symmetric_algorithm k) else "" torkeys = do (code,(top,sub), kind, hashed,claimants) <- subs guard ("tor" `elem` kind) guard (code .&. 0x2 /= 0) maybeToList $ derToBase32 <$> derRSA sub uid = {- fromMaybe "" . listToMaybe $ -} do (keys,sigs) <- certs sig <- sigs guard (isCertificationSig sig) guard (topkey sig == top) let issuers = do sig_over <- signatures_over sig i <- maybeToList $ signature_issuer sig_over maybeToList $ find_key (matchpr i) (Message keys) (reverse (take 16 (reverse i))) (primary,secondary) = partition (==top) issuers -- trace ("PRIMARY: "++show (map fingerprint primary)) $ return () -- trace ("SECONDARY: "++show (map fingerprint secondary)) $ return () guard (not (null primary)) let UserIDPacket uid = user_id sig parsed = parseUID uid ar = maybe " --> " (const " <-> ") $ do guard (uid_topdomain parsed == "onion" ) guard ( uid_realname parsed `elem` ["","Anonymous"]) guard ( uid_user parsed == "root" ) let subdom0 = L.fromChunks [encodeUtf8 (uid_subdomain parsed)] len = L.length subdom0 subdom = Char8.unpack subdom0 match = (==subdom) . take (fromIntegral len) guard (len >= 16) listToMaybe $ filter match torkeys unlines $ (" " ++ ar ++ "@" ++ " " ++ uid_full parsed) : showsigs secondary -- (_,sigs) = unzip certs "master-key " ++ fingerprint top ++ kcipher top ++ "\n" ++ uid ++" ...\n" ++ subkeys ++ "\n" {- - modify a UID to test the verify function properly - fails modifyUID (UserIDPacket str) = UserIDPacket str' where (fstname,rst) = break (==' ') str str' = mod fstname ++ rst mod "Bob" = "Bob Slacking" mod x = x modifyUID other = other -} readPublicKey :: Char8.ByteString -> RSAPublicKey readPublicKey bs = RSAKey (MPI n) (MPI e) where (n,e) = fromMaybe (error "Unsupported key format") $ SSH.blobkey bs -- | Returns the given list with its last element modified. toLast :: (x -> x) -> [x] -> [x] toLast f [] = [] toLast f [x] = [f x] toLast f (x:xs) = x : toLast f xs -- partitionStaticArguments :: Ord a => [(a, Int)] -> [a] -> ([[a]], [a]) partitionStaticArguments :: [([Char], Int)] -> [[Char]] -> ([[[Char]]], [[Char]]) partitionStaticArguments specs args = psa args where smap = Map.fromList specs psa [] = ([],[]) psa (a:as) = case Map.lookup a smap of Nothing | (k,'=':v) <- break (=='=') a , Just 1 <- Map.lookup k smap -> first ([k,v]:) $ psa as Nothing -> second (a:) $ psa as Just n -> first ((a:take n as):) $ psa (drop n as) show_wk :: FilePath -> Maybe [Char] -> KeyDB -> IO () show_wk secring_file grip db = do -- printf "show_wk(%s,%s,%s)\n" (show secring_file) (show grip) (show db) let sec_db = Map.filter gripmatch (byKeyKey db) gripmatch (KeyData p _ _ _) = Map.member secring_file (locations p) || Map.member "&secret" (locations p) Message sec = flattenKeys False sec_db putStrLn $ listKeysFiltered (maybeToList grip) sec debug_dump :: FilePath -> p -> KeyDB -> IO () debug_dump secring_file grip db = do let sec_db = Map.filter gripmatch (byKeyKey db) gripmatch (KeyData p _ _ _) = Map.member secring_file (locations p) || Map.member "&secret" (locations p) Message sec = flattenKeys False sec_db mapM_ print sec show_all :: KeyDB -> IO () show_all db = do let Message packets = flattenKeys True (byKeyKey db) putStrLn $ listKeys packets show_packets :: (Eq a, IsString a) => [a] -> KeyDB -> IO () show_packets puborsec db = do let Message packets = flattenKeys (case puborsec of { "sec":_ -> False; _ -> True }) (byKeyKey db) forM_ packets $ putStrLn . showPacket show_whose_key :: Maybe RSAPublicKey -> KeyDB -> IO () show_whose_key input_key db = flip (maybe $ return ()) input_key $ \input_key -> do let ks = whoseKey input_key (byKeyKey db) case ks of [KeyData k _ uids _] -> do putStrLn $ fingerprint (packet k) mapM_ putStrLn $ Map.keys uids (_:_) -> error "ambiguous" [] -> return () show_dns :: [Char] -> String -> KeyDB -> IO () show_dns keyspec wkgrip db = either warn putStrLn $ show_pem' keyspec wkgrip db dnsPresentationFromPacket dnsPresentationFromPacket :: Monad m => Packet -> m String dnsPresentationFromPacket k = do let RSAKey (MPI n) (MPI e) = fromJust $ rsaKeyFromPacket k dnskey = DNS.RSA n e bin = runPut (DNS.putRSA dnskey) qq = S8.unpack $ convertToBase Base64 (L.toStrict bin) ttl = 24*60*60 -- 24 hours in seconds flags = 256 -- (ZONE-key = bit7) TODO: is this a zone key or a key-signing key? algo = 8 -- RSASHA256 -- TODO: support other algorithm return $ unwords ["." ,show ttl ,"IN" ,"DNSKEY" ,show flags ,"3" -- protocol MUST be 3 (RFC 4034) ,show algo ,qq ] show_id :: String -> p -> KeyDB -> IO () show_id keyspec wkgrip db = do let s = parseSpec "" keyspec let ps = do (_,k) <- filterMatches (fst s) (Map.toList $ byKeyKey db) mp <- flattenTop "" True k return $ packet mp -- putStrLn $ "show key " ++ show s putStrLn $ listKeys ps show_wip :: [Char] -> String -> KeyDB -> IO () show_wip keyspec wkgrip db = do let s = parseSpec wkgrip keyspec flip (maybe $ void (warn (keyspec ++ ": not found"))) (selectSecretKey s db) $ \k -> do let nwb = maybe 0x80 CryptoCoins.secretByteFromName $ snd s putStrLn $ walletImportFormat nwb k show_torhash :: FilePath -> p -> IO () show_torhash pubkey _ = do bs <- Char8.readFile pubkey let parsekey f dta = do let mdta = fmap L.fromStrict $ functorToMaybe $ convertFromBase Base64 (Char8.toStrict dta) e <- decodeASN1 DER <$> mdta asn1 <- either (const Nothing) (Just) e k <- either (const Nothing) (Just . fst) (fromASN1 asn1) return $ f (packetFromPublicRSAKey undefined) k addy :: String -> String addy hsh = take 16 hsh ++ ".onion " ++ hsh pkcs1 = fmap ( parsekey (\f (RSAKey n e) -> f n e) . pemBlob ) $ pemParser (Just "RSA PUBLIC KEY") pkcs8 = fmap ( parsekey (\f (RSAKey8 n e) -> f n e) . pemBlob ) $ pemParser (Just "PUBLIC KEY") cert = fmap (fmap pcertKey . parseCertBlob False . pemBlob) $ pemParser (Just "CERTIFICATE") keys = catMaybes $ scanAndParse (pkcs1 <> pkcs8 <> cert) $ Char8.lines bs mapM_ (putStrLn . addy . torhash) keys show_cert :: [Char] -> String -> KeyDB -> IO () show_cert keyspec wkgrip db = do let s = parseSpec wkgrip keyspec case selectPublicKeyAndSigs s db of [] -> void $ warn (keyspec ++ ": not found") [(_,k,sigs)] -> do {- let rsa = pkcs8 . fromJust $ rsaKeyFromPacket k der = encodeASN1 DER (toASN1 rsa []) qq = Base64.encode (L.unpack der) putStrLn $ writePEM "PUBLIC KEY (TODO: CERT)" qq -- ("TODO "++show keyspec) -} let cs = mapMaybe x509cert $ (sigs >>= hashed_subpackets) ds = map decodeBlob $ map (ParsedCert k (posixSecondsToUTCTime $ fromIntegral $ timestamp k)) cs qqs = map (S8.unpack . convertToBase Base64 . L.toStrict) ds pems = map (writePEM PemCertificate) qqs forM_ pems putStrLn _ -> void $ warn (keyspec ++ ": ambiguous") {- show_cert certfile _ = do bs <- Char8.readFile certfile let dta = scanAndParse (fmap pemBlob $ pemParser $ Just "CERTIFICATE") $ Char8.lines bs mdta = do dta <- listToMaybe dta L.pack <$> Base64.decode (Char8.unpack dta) let c = mdta >>= parseCertBlob True d = mdta >>= parseCertBlob False -- e = mdta >>= parseCertBlob 2 -- b64 = Base64.encode . S.unpack b64L = Base64.encode . L.unpack -- hex = Base16.encode . S.unpack hexL = Base16.encode . L.unpack putStrLn $ maybe "" (fingerprint . pcertKey) c putStrLn $ maybe "" (torhash . pcertKey) c putStrLn "" putStrLn "" putStrLn $ maybe "" (("key = " ++) . show . pcertKey) c putStrLn "" putStrLn $ maybe "" (("small blob length = " ++) . show . L.length . pcertBlob) c putStrLn $ maybe "" (("small blob = " ++) . b64L . pcertBlob) c putStrLn $ maybe "" ((" decoded = " ++) . b64L . decodeBlob) c putStrLn "" putStrLn $ maybe "" ((" big blob length = " ++) . show . L.length . pcertBlob) d putStrLn $ maybe "" ((" big blob = " ++) . b64L . pcertBlob) d putStrLn $ maybe "" ((" decoded = " ++) . b64L . decodeBlob) d {- putStrLn "" putStrLn $ maybe "" ((" gzip blob length = " ++) . show . L.length . pcertBlob) e putStrLn "" putStrLn $ maybe "" ((" gzip blob = " ++) . b64L . pcertBlob) e -} -- ASN1 starts: -- 1 2 3 4 5 6 7 8 -- cl....pc.tag.......... -- Start Sequence tag = 0x10 -- Start Sequence cl = 0 let v = encodeASN1 DER [Start Sequence] putStrLn "" putStrLn $ "prefix = " ++ hexL v return () -} cannonical_eckey :: (Integral b1, Integral b2) => b1 -> b2 -> [Word8] cannonical_eckey x y = 0x4:pad32(numToBytes x) ++ pad32(numToBytes y) :: [Word8] where numToBytes n = reverse $ unfoldr getbyte n where getbyte d = do guard (d/=0) let (q,b) = d `divMod` 256 return (fromIntegral b,q) pad32 xs = replicate zlen 0 ++ xs where zlen = 32 - length xs bitcoinAddress :: Word8 -> Packet -> String bitcoinAddress network_id k = address where Just (MPI x) = lookup 'x' (key k) Just (MPI y) = lookup 'y' (key k) pub = cannonical_eckey x y hsh = S.cons network_id . ripemd160 . sha256 . S.pack $ pub sha256 x = convert (Crypto.Hash.hash x :: Digest SHA256) :: S.ByteString ripemd160 x = convert (Crypto.Hash.hash x :: Digest RIPEMD160) :: S.ByteString address = base58_encode hsh whoseKey :: RSAPublicKey -> Map.Map KeyKey KeyData -> [KeyData] whoseKey rsakey db = filter matchkey (Map.elems db) where matchkey (KeyData k _ _ subs) = any (ismatch k) $ Map.elems subs ismatch k (SubKey mp sigs) = Just rsakey == rsaKeyFromPacket (packet mp) && any (check (packet k) (packet mp)) sigs check k sub (sig,_) = not . null $ do s <- signatures . Message $ [k,sub,packet sig] fw <- signatures_over $ verify (Message [k]) s subsig <- mapMaybe backsig (unhashed_subpackets $ packet sig) subsig_so <- signatures (Message [k,sub,subsig]) guard ( isSubkeySignature subsig_so && isSameKey (topkey subsig_so) k && isSameKey (subkey subsig_so) sub ) s2 <- signatures . Message $ [k,sub,subsig] signatures_over $ verify (Message [sub]) s2 isSameKey a b = sort (key apub) == sort (key bpub) where apub = secretToPublic a bpub = secretToPublic b kiki_usage :: Export -> Import -> Secret -> String -> IO () kiki_usage ((== Export) -> bExport) ((== Import) -> bImport) ((== Secret) -> bSecret) cmd = putStr $ case cmd of "show" -> unlines $ ["kiki show [options...]" ,"" ," show displays information about keys stored in the data files which resides in" ," the home directory (see --homedir)." ,"" ," The files pubring.gpg and subring.gpg in the directory specified by the " ," --homedir option are implicitly included in the keyring set." ,"" ,"Options: " ] ++ commonOptions ++ [" --working" ," Show fingerprints for the working key (which will be used to" ," make signatures) and all its subkeys and UID. This action is" ," inferred when no options are supplied." ,"" ," --key SPEC" ," Show fingerprints for the specified key and all its subkeys" ," and UID. (See 'kiki help spec' for more information.)" ,"" ," --all Show fingerprints and UIDs and usage tags for all known keys." ,"" ," --whose-key" ," Shows the fingerprint and UIDs of the key that owns the one that" ," is input on stdin in ssh-rsa format." ,"" ," --dns SPEC" ," Outputs the DNSKEY presentation format (RFC4034) of the public key" ," corresponding to SPEC." ," (See 'kiki help spec' for more information.)" ,"" ," --pem SPEC" ," Outputs the PKCS #8 public key corresponding to SPEC." ," (See 'kiki help spec' for more information.)" ,"" ," --cert SPEC" ," Outputs X509 certificates associated with the key SPEC." ," (See 'kiki help spec' for more information.)" ,"" ," --ssh SPEC" ," Outputs the ssh-rsa blob for the specified public key." ," (See 'kiki help spec' for more information.)" ,"" ," --wip SPEC" ," Outputs the secret crypto-coin key in Wallet Input Format." ," (See 'kiki help spec' for more information.)" ,"" ," --torhash FILE" ," Outputs tor address and base32 hash of the PEM-format key in" ," the given file." ,"" ," --dump For debugging, a thorough info dump of your secret keyring." ,"" ," --help Shows this help screen." ,"" ] "sync-secret" -> unlines $ ["kiki sync-secret [KEYSPEC ...]" ,"kiki sync-secret FLAGS [--pems KEYSPEC ...] [--keyrings FILE ...] [--hosts FILE ...]" ," [--wallets FILE ...]" ,"" ," sync-secret syncs the information inside your OpenGPG keyring with information" ," in other files. Information flows both in and out of your keyring. This one command" ," is powerful enough to impliment all the functionality of kiki commands in the import-*," ," export-*, and sync-* families. Those other commands are mainly added to facilitate" ," a redundant safe gaurd which restricts the flow of information in such a way that is" ," theoretically less error prone." ,"" ," sync-secret works by first creating a combined database containing all information" ," and then updating all files (including OpenGPG files, as well as files specified as" ," arguments to the options --keyrings, --wallets, and --hosts) with information from" ," from that combined database." ,"" ," Master keys in keyring files are fleshed out with all known subkeys" ," in any file in which they appear. Ordinarily, if a file does not contain the master key" ," already, it will not be added. However, in the case of --import or --import-if-authentic" ," new master keys may be added to your OpenGPG keyring." ,"" ," Cryptocoin keys in wallet files are fleshed out with all CryptoCoin subkeys of the working" ," key. The working key is updated with new CryptoCoin subkeys from all specified wallets." ," Ordinarily, only one wallet is specified on the command line. If multiple wallets are" ," specified, they will all have the same keys after the the operation completes." ,"" ," The --hosts option is experimental and may be removed in the future. Any files given" ," as arguments to this option will be assumed to be in the format of /etc/hosts, and will" ," be updated with any hostname information currently stored within your OpenGPG keyring." ," Additionally, if the file has hostnames for the ip corresponding to a master key, then" ," then the masterkey is updated with unsigned annotations recording the additional hostnames." ," Warning: this effects all master keys, regardless of whether they have secret key" ," information, hence the annotations being unsigned." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the" ," --homedir option are implicitly included in the keyring set even if they" ," are not included after the --keyrings option." ,"" ," If KEYSPEC arguments appear prior to any of --keyrings, --wallets, or --hosts," ," then they are interpretted as if arguments to --pems." ,"" ] ++ syncflags ++ specifyingFiles "sync-public" -> unlines $ ["kiki sync-public [options...]" ,"" ," sync-public merges a set of key files into a combined database and then" ," uses the database to update all the input files, those inside and outside of" ," of the home directory (see --homedir), to have the most complete information." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the " ," --homedir option are implicitly included in the keyring set. However, the" ," difference betwen this command and sync-secret is that no secret keys are" ," modified by this command regardless of input. Export of secret keys is" ," possible using this command, but will only occur if the secret master key" ," is already in the external file. (TODO, remove this capacity entirely)" ,"" ," Subkeys that are imported with kiki are given an annotation \"usage@\" which" ," indicates what the key is for. This tag can be used as a SPEC to select a" ," particular key. Master keys may be specified by using fingerprints or by" ," specifying a substring of an associated UID." ,"" ," (See 'kiki help spec' for more information.)" ] ++ syncflags ++ specifyingFiles "import-secret" -> unlines $ ["kiki import-secret [options...]" ,"" ," import-secret uses a set of key files to update your keyring. It does not" ," alter any files outside of the home directory (see --homedir)." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the " ," --homedir option are implicitly included in the keyring set. Unlike the" ," sync-secret command, information will flow into these files, but not out" ," of them." ,"" ," Subkeys that are imported with kiki are given an annotation \"usage@\" which" ," indicates what the key is for. This tag can be used as a SPEC to select a" ," particular key. Master keys may be specified by using fingerprints or by" ," specifying a substring of an associated UID." ,"" ," (See 'kiki help spec' for more information.)" ] ++ syncflags ++ specifyingFiles "import-public" -> unlines $ ["kiki import-public [options...]" ,"" ," import-public uses a set of key files to update your keyring. It does not" ," alter any files outside of the home directory (see --homedir). Nor does it" ," alter your secring.gpg file." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the " ," --homedir option are implicitly included in the keyring set. However, the" ," difference betwen this command and import-secret is that no secret keys are" ," modified by this command regardless of input. Export of secret keys is" ," possible using this command, but will only occur if the secret master key" ," is already in the external file. (TODO, remove this capacity entirely)" ,"" ," Subkeys that are imported with kiki are given an annotation \"usage@\" which" ," indicates what the key is for. This tag can be used as a SPEC to select a" ," particular key. Master keys may be specified by using fingerprints or by" ," specifying a substring of an associated UID." ,"" ," (See 'kiki help spec' for more information.)" ] ++ syncflags ++ specifyingFiles "export-secret" -> unlines $ ["kiki export-secret [options...]" ,"" ," export-secret updates a set of key files using information from your keyring." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the" ," --homedir option are implicitly included in the keyring set. Unlike with the" ," sync-secret command, information only flows out of these files and not in to" ," them. Barring this however, the usage and behavior of export-secret is similar" ," to that of sync-secret." ,"" ," (See 'kiki help spec' for more information.)" ,"" ] ++ syncflags ++ specifyingFiles "export-public" -> unlines $ ["kiki export-public [options...]" ,"" ," export-public updates a set of key files using information from your keyring." ,"" ," The files pubring.gpg and secring.gpg in the directory specified by the " ," --homedir option are implicitly included in the keyring set. However, the" ," difference betwen this command and export-secret is that no secret keys are" ," exported by this command regardless of input." ,"" ," (See 'kiki help spec' for more information.)" ,"" ] ++ syncflags ++ specifyingFiles "spec" -> unlines keyspec x -> "Undocumented command "++show x++"." where commonOptions :: [String] commonOptions = [" --help" ," Gives usage information" ,"" ," --trace-verify" ," For debugging, stderr traces for every signature verification." ,"" ] ++ documentHomeDir ++ [""] ++ documentPassphraseFDFlag bExport bImport bSecret showwk :: [String] showwk = [" --show-wk" ," After the operation completes, output the possibly modified" ," working key identity information." ,"" ] syncflags :: [String] syncflags = ["" ,"Flags:"] ++ commonOptions ++ showwk ++ documentImportFlag bExport bImport bSecret ++ documentImportIfAuthenticFlag bExport bImport bSecret ++ documentAutoSignFlag bExport bImport bSecret specifyingFiles :: [String] specifyingFiles = ["SPECIFYING FILES:" ] ++ documentKeyPairsOption bExport bImport bSecret ++ documentKeyRingsOption bExport bImport bSecret ++ documentWalletsOption bExport bImport bSecret ++ documentHostsOption bExport bImport bSecret keyspec :: [String] keyspec = -- unlines $ ["Specifying keys on the kiki command line:" ,"" ," SPEC ::= MASTER/SUBKEY" ,"" ," SPEC indicates a specific key in the keyring, in it's longest incarnation," ," it is of the form MASTER/SUBKEY where MASTER and SUBKEY are documented below." ," If kiki can infer the key unambiguously, either via the command in question or" ," the contents of the keyring, then it is permissable to ommit either MASTER or" ," SUBKEY, in which case the slash may also be ommitted unless it is used via its" ," position to indicate whether a SUBKEY or MASTER is intended." ,"" ," MASTER may be any of" ," * The tail end of a fingerprint prefixed by 'fp:'" ," * A sub-string of a user id (without slashes) prefixed by 'u:'" ," * 40 characters of hexidecimal (kiki will assume this to be a fingerprint)" ," * A sub-string of a user id (without slashes, the prefix 'u:' is optional)" ,"" ," SUBKEY may be any of" ," * The tail end of a fingerprint prefixed by 'fp:'" ," * An exact match of a usage tag prefixed by 't:'" ," * 40 characters of hexidecimal (kiki will assume this to be a fingerprint)" ," * An exact match of a usage tag (The prefix 't:' is optional)" ,"" ," In parsing the spec, kiki will attempt to match the string to one of the" ," above formats, in the order presented." ,"" ," Examples of valid SPEC strings:" ,"" ," fp:4A39F/tor" ," u:joe/tor" ," u:joe/t:tor" ," u:joe/fp:4abf30" ," joe/tor" ," 5E24CD442AA6965D2012E62A905C24185D5379C2" ] documentHomeDir :: [String] documentHomeDir = [" --homedir DIR" ," Where to find the files secring.gpg and pubring.gpg. The" ," default location is taken from the environment variable" ," GNUPGHOME. If this environment variable is not set and no" ," directory is specified using this option then a hardcoded" ," default of ~/.gnupg is assumed. " ,"" ," WARNING: Confusingly, this is *not* your home directory as" ," given by the HOME environment variable. The option is named" ," or rather misnamed in a fashion similar to the gpg option with" ," exactly the same functionality." ] documentPassphraseFDFlag :: IsString a => p1 -> p2 -> Bool -> [a] documentPassphraseFDFlag bExport bImport bSecret = if bSecret then [" --passphrase-fd FD" ," The file descripter from which to read a passphrase. If FD is" ," 0, then the passphrase is inputted via stdin. Note that this" ," requires the user to issue CTRL-D to send EOF, so that kiki" ," knows to continue." ,""] else [] documentImportFlag :: IsString a => p1 -> Bool -> p2 -> [a] documentImportFlag bExport bImport bSecret = if bImport then [" --import Add master keys to pubring.gpg. Without this option, only UID" ," and subkey data is updated. " ,""] else [] documentImportIfAuthenticFlag :: IsString a => p1 -> Bool -> p2 -> [a] documentImportIfAuthenticFlag bExport bImport bSecret = if bImport then [" --import-if-authentic" ," Add signed master keys to pubring.gpg. Like --import except that" ," only keys with signatures from the working key (--show-wk) are" ," imported." ,""] else [] documentAutoSignFlag :: IsString a => p1 -> p2 -> p3 -> [a] documentAutoSignFlag bExport bImport bSecret = [" --autosign Sign all cross-certified tor-style UIDs." ," A tor-style UID is of the form:" ," Anonymous " ," It is considered cross certified if there exists a cross-certified" ," 'tor' subkey corresponding to the address HOSTNAME.onion." ,""] documentKeyPairsOption :: Bool -> Bool -> Bool -> [String] documentKeyPairsOption bExport bImport bSecret = [" --pems [KEYSPEC ...]" ] ++ case (bExport,bImport,bSecret) of (True,True,True) -> -- sync-secret [" This option specifies the paths of such private PEM files which" ," either currently contain keys to be imported, or lack keys to" ," be exported. If your working key has no subkey with the given" ," tag, and the file is empty or does not exist, and a shell" ," command is specified in braces, then the shell command will be" ," executed in a modified environment with the expectation of" ," creating the PEM file for import." ,"" ] ++ afterSecond (True,True,False) -> -- sync-public NOT-IMPLEMENTED [" This option specifies the paths of PEM files, of both the" ," public and private variety, which either currently contain" ," public keys to be imported, or lack public keys to be exported." ," If your working key has no subkey with the given tag, and the" ," file is empty or does not exist, and a shell command is" ," specified in braces, then the shell command will be executed in" ," a modified environment with the expectation of creating the PEM" ," file for import. Unlike the sync-secret command, this command" ," leaves no possibility of secret key information leaking from" ," your OpenGPG keyring into specified files." ,"" ] ++ afterSecond (False,True,True) -> -- import-secret [" This option specifies the paths of such private PEM files which" ," contain keys to be imported. If your working key has no subkey" ," with the given tag, and the file is empty or does not exist," ," and a shell command is specified in braces, then the shell" ," command will be executed in a modified environment with the" ," expectation of creating the PEM file for import. Files external" ," to your OpenGPG keyring will not be modified by this command." ,"" ] ++ afterSecond (False,True,False) -> -- import-public NOT-IMPLEMENTED [" This option specifies the paths of PEM files, of both the" ," public and private variety, which currently contain keys to" ," be imported. If your working key has no subkey with the" ," given tag, and the file is empty or does not exist, and a" ," shell command is specified in braces, then the shell command" ," will be executed in a modified environment with the" ," expectation of creating the PEM file for import. Files" ," external to your OpenGPG keyring will not be modified by" ," this command. Unlike the import-secret command, this" ," command leaves no possibility of secret key information" ," leaking from your OpenGPG keyring. " ,"" ] ++ afterSecond (True,False,True) -> -- export-secret [" This option specifies the paths of PEM files, of the private or" ," public variety, which lack information to be exported. Note that" ," files currently in the public format may be overwritten to update" ," them to the private format which holds both public and private" ," key information." ,"" ] ++ afterSecond (True,False,False) -> -- export-public [" This option specifies the paths of PEM files, of the private or" ," public variety, which lack public keys to be exported. Unlike" ," the export-secret command, this command leaves no possibility" ," of secret key information leaking from your OpenGPG keyring" ," into the specified files." ,"" ] ++ afterSecond _ -> afterSecond where afterSecond = [" Subkeys that are imported with kiki are given an annotation" ," \"usage@\" which indicates what the key is for. This tag can" ] ++ if bImport then n000Import else n000Export n000Import = [" be used as a SPEC to select a particular key. If a specifed PEM" ," file contains a novel key for an existing tag, it will imported," ," and you will have multiple keys with the same tag." ,"" ," Each KEYSPEC specifies that a key should match the content and" ," timestamp of an external file which is in the PKCS #1 private" ," RSA key format." -- " or in the PKCS #8 public key format." ] ++ n0 n000Export = [" be used as a SPEC to select a particular key." ,"" ," (TODO: check) Each KEYSPEC specifies that a key should match the content and" ," timestamp of an indicated external file which is either in PKCS #1" ," private RSA key format or in PKCS #8 public key format (provided" ," that the file already exists). If the file does not exist, it" ] ++ (if bSecret then n00Secret else n00Public) ++ n0 n00Secret = [" will be created and have PKCS #1 Private RSA Key format." ] n00Public = [" will be created and have PKCS #8 Public Key format." ] n0 = ["" ," If there is only one master key in your keyring and only one" ," key is used for each purpose, then it is possible for SPEC in" ," this case to merely be a tag which offers information about" ," what this key is used for, for example, any of `tor'," ," `ssh-client', `ssh-host', or `strongswan' will do." ,"" ," KEYSPEC ::= tag '=' file" ] ++ if bImport then " | tag '=' file '{' '}'":next else next next = ["" ," Or in more complicated cases," ,"" ," KEYSPEC ::= SPEC '=' file" ] ++ if bImport then " | SPEC '=' file '{' '}'":next' else next' next' = ["" ," where the format of SPEC is documented in 'kiki help spec'." ] ++ next'' next'' = if bImport then timeStamps ++ next''' else next''' timeStamps = ["" ," Your OpenGPG keyring contains time stamps for each subkey." ," Timestamps of newly imported keys will reflect the mtimes of" ," the files from which they were imported. In the case that the" ," key already exists in your OpenGPG keyring as well as in one of" ," the specified files, the timestamp in your OpenGPG keyring is" ," not updated."] next'''= ["" ," Note that this option is implicit if no options documented in" ," this section were specified. See 'kiki help spec' for more" ," information." ,"" ," (See 'kiki help spec' for more information.)" ,"" ] documentKeyRingsOption :: Bool -> Bool -> Bool -> [String] documentKeyRingsOption bExport bImport bSecret = [" --keyrings [FILE ...]" ," These files are PGP keyring files. The format is similar to" ," that of the GNU GPG state files: pubring.gpg and secring.gpg." ," Those files needn't be specified here as they are included" ," implicitly." ,"" ] documentWalletsOption :: Bool -> Bool -> Bool -> [String] documentWalletsOption bExport bImport False = [] documentWalletsOption bExport bImport True = [" --wallets [FILE ...]" ," Provide wallet files with secret crypto-coin keys in Wallet" ," Import Format. The keys will be treated as subkeys of your" ," current working key (the one shown by --show-wk)." ,""] documentHostsOption :: Bool -> Bool -> Bool -> [String] documentHostsOption bExport bImport bSecret = [" --hosts [FILE ...]" ," EXPERIMENTAL! May be removed in the future. This option" ," specifies files from which to read or write hostname aliases." ," The format is the same as /etc/hosts on unix systems. WARNING:" ," hostname aliases may be imported into the gpg keyring files," ," but they are currently NOT signed and may be altered in" ," transit." ,""] -- | -- Arguments: -- -- * option-count pairs - List of option names paired with number of expected values to follow them. -- -- * polyvariadic options - List of option names that can take any number of arguments. -- -- * default polyvariadic - Implicit polyvariadic option if no other option is specified. -- -- * arguments - list of arguments to be parsed. -- -- Returns: -- -- * (non-variadic only) options and corresponding arguemnts in list of lists form. -- -- * (variadic only) map of option name to argument lists. -- processArgs :: [(String,Int)] -> [String] -> String -> [String] -> ([[String]],Map.Map String [String]) processArgs sargspec polyVariadicArgs defaultPoly args_raw = (sargs,margs) where (args,trail1) = break (=="--") args_raw trail = drop 1 trail1 commonArgSpec = [ ("--homedir",1) , ("--passphrase-fd",1) , ("--help",0) ] sargspec' = commonArgSpec ++ sargspec (sargs,margs) = (sargs, foldl' (\m (k:xs)->Map.alter (appendArgs k xs) k m) Map.empty gargs) where (sargs,vargs) = partitionStaticArguments sargspec' args argspec = map fst sargspec' ++ polyVariadicArgs args' = if null defaultPoly || map (take 1) (take 1 vargs) == ["-"] then vargs else defaultPoly:vargs -- grouped args gargs = (sargs ++) . toLast (++trail) . groupBy (\_ s-> take 1 s /= "-") $ args' appendArgs k xs opt = if k `elem` argspec then Just . maybe xs (++xs) $ opt else error . unlines $ [ "unrecognized option "++k , "Use --help for usage." ] parseCommonArgs :: (Ord k, IsString k) => Map.Map k [[Char]] -> CommonArgsParsed parseCommonArgs margs = CommonArgsParsed { cap_homespec = homespec, cap_passfd = passfd } where passphrase_fd = concat <$> Map.lookup "--passphrase-fd" margs homespec = join . take 1 <$> Map.lookup "--homedir" margs passfd = fmap (FileDesc . read) passphrase_fd parseKeySpecs :: [String] -> [Maybe (String,String,String)] parseKeySpecs = map $ \specfile -> do let (spec,efilecmd) = break (=='=') specfile guard $ take 1 efilecmd=="=" let filecmd = drop 1 efilecmd let (file,bcmdb0) = break (=='{') filecmd bcmdb = if null bcmdb0 then "{}" else bcmdb0 guard $ take 1 bcmdb=="{" let bdmcb = (dropWhile isSpace . reverse) bcmdb guard $ take 1 bdmcb == "}" let cmd = (drop 1 . reverse . drop 1) bdmcb Just (spec,file,cmd) data Export = Export | NoExport deriving Eq data Import = Import | NoImport deriving Eq data Secret = Secret | NoSecret deriving Eq -- Flag-specific options -- bSecret: --pems and --wallets -- bImport: --import and --import-if-authentic sync :: Export -> Import -> Secret -> String -> [String] -> IO () sync bExport bImport bSecret cmdarg args_raw = do let (sargs,margs) = processArgs sargspec polyVariadicArgs "--pems" args_raw sargspec = [ ("--show-wk",0) , ("--autosign",0) {-, ("--show-all",0) , ("--show-whose-key",0) , ("--show-key",1) , ("--show-pem",1) , ("--show-ssh",1) , ("--show-wip",1) -} ] ++ do guard (bImport == Import) [ ("--import",0), ("--import-if-authentic",0) ] polyVariadicArgs = ["--keyrings" ,"--hosts" ,"--pems"] ++ do guard (bSecret == Secret) [ "--wallets" ] -- putStrLn $ "margs = " ++ show (Map.assocs margs) unkeysRef <- newIORef Map.empty pwRef <- newIORef Nothing let keypairs0 = parseKeySpecs specs -- [Maybe (usage,path,cmd)] specs = fromMaybe [] $ Map.lookup "--pems" margs keyrings_ = fromMaybe [] $ Map.lookup "--keyrings" margs wallets = fromMaybe [] $ Map.lookup "--wallets" margs passphrase_fd = concat <$> Map.lookup "--passphrase-fd" margs -- Report first encountered error in Specs forM_ (take 1 $ filter (isNothing . fst) $ zip keypairs0 specs ) $ \(_,badspec) -> do warn $ "Syntax error in key pair specification " ++ show badspec exitFailure input_key <- maybe (return Nothing) (const $ fmap (Just . readPublicKey) Char8.getContents) $ Map.lookup "--show-whose-key" margs moreSync keypairs0 margs passphrase_fd bExport bImport bSecret cmdarg keyrings_ wallets sargs moreSync :: [Maybe (String, String, String)] -> Map.Map String [FilePath] -> Maybe String -> Export -> Import -> Secret -> String -> [FilePath] -> [FilePath] -> [[String]] -> IO () moreSync keypairs0 margs passphrase_fd bExport bImport bSecret cmdarg keyrings_ wallets sargs = do let keypairs = catMaybes keypairs0 homespec = join . take 1 <$> Map.lookup "--homedir" margs passfd = fmap (FileDesc . read) passphrase_fd -- reftyp is used as value for 'fill field' in StreamInfo, walts and rings reftyp | bExport == Export = KF_Subkeys -- export to rings when they have master present | otherwise = KF_None -- export nothing pems = flip map keypairs $ \(usage,path,cmd) -> let cmd' = mfilter (not . null) (Just cmd) in if bExport == Export then (ArgFile path, StreamInfo { fill = KF_Match usage , spill = KF_Match usage , typ = if "dns-" `isPrefixOf` usage then DNSPresentation else PEMFile , access = if (bSecret == Secret) then Sec else Pub , initializer = maybe NoCreate External cmd' , transforms = [] } ) else if isNothing cmd' then ( ArgFile path , (buildStreamInfo KF_None PEMFile) { spill = KF_Match usage }) else error "Unexpected PEM file initializer." walts = map (\fname -> ( ArgFile fname , (buildStreamInfo reftyp WalletFile) { access = Sec })) wallets rings = map (\fname -> ( ArgFile fname , buildStreamInfo reftyp KeyRingFile )) keyrings_ hosts = maybe [] (map decorate) $ Map.lookup "--hosts" margs where decorate fname = (ArgFile fname, buildStreamInfo reftyp Hosts) pubfill = maybe KF_Subkeys id -- Note: --import overrides --import-if-authentic $ mplus import_f importifauth_f where import_f = fmap (const KF_All) $ Map.lookup "--import" margs importifauth_f = fmap (const KF_Authentic) $ Map.lookup "--import-if-authentic" margs kikiOp = KeyRingOperation { opFiles = Map.fromList $ [ ( HomeSec, buildStreamInfo (if (bSecret == Secret) && (bImport == Import) then KF_All else KF_None) KeyRingFile ) , ( HomePub, buildStreamInfo (if (bImport == Import) then pubfill else KF_None) KeyRingFile ) ] ++ rings ++ pems ++ if (bSecret == Secret) then walts else [] ++ hosts , opPassphrases = withAgent $ do pfile <- maybeToList passfd return $ PassphraseSpec Nothing Nothing pfile , opTransforms = maybe [] (const [Autosign]) $ Map.lookup "--autosign" margs , opHome = homespec } let usage f = maybe f (const $ kiki_usage bExport bImport bSecret cmdarg) $ Map.lookup "--help" margs usage $ moreMoreSync kikiOp sargs moreMoreSync :: KeyRingOperation -> [[String]] -> IO () moreMoreSync kikiOp sargs = do KikiResult rt report <- runKeyRing kikiOp case rt of KikiSuccess rt -> do -- interpret --show-* commands. let grip = rtGrip rt let shspec = Map.fromList [("--show-wk", const $ show_wk (rtSecring rt) grip) {-,("--show-all",const show_all) ,("--show-whose-key", const $ show_whose_key input_key) ,("--show-key",\[x] -> show_id x $ fromMaybe "" grip) ,("--show-pem",\[x] -> show_pem x $ fromMaybe "" grip) ,("--show-ssh",\[x] -> show_ssh x $ fromMaybe "" grip) ,("--show-wip",\[x] -> show_wip x $ fromMaybe "" grip)-} ] shargs = mapMaybe (\(x:xs) -> (,xs) <$> Map.lookup x shspec) sargs forM_ shargs $ \(cmd,args) -> cmd args (rtKeyDB rt) err -> putStrLn $ errorString err forM_ report $ \(fname,act) -> do putStrLn $ fname ++ ": " ++ reportString act doTransform :: [String] -> ([String]->[Transform]) -> IO () doTransform args mktrans = do let (_,margs) = processArgs sargspec polyVariadicArgs "---" args where sargspec = [] polyVariadicArgs = ["---"] passfd = fmap (FileDesc . read) passphrase_fd where passphrase_fd = concat <$> Map.lookup "--passphrase-fd" margs targs = fromMaybe [] $ Map.lookup "---" margs homespec = join . take 1 <$> Map.lookup "--homedir" margs ts = mktrans targs kikiOp = KeyRingOperation { opFiles = Map.fromList $ [ ( HomeSec, buildStreamInfo KF_All KeyRingFile ) , ( HomePub, buildStreamInfo KF_All KeyRingFile ) ] , opPassphrases = withAgent $ do pfile <- maybeToList passfd return $ PassphraseSpec Nothing Nothing pfile , opTransforms = ts , opHome = homespec } KikiResult rt report <- if null ts then return $ KikiResult OperationCanceled [] else runKeyRing kikiOp forM_ report $ \(fname,act) -> do putStrLn $ fname ++ ": " ++ reportString act case rt of KikiSuccess _ -> return () err -> putStrLn $ errorString err kiki :: String -> [String] -> IO () kiki "sync-secret" args_raw = sync Export Import Secret "sync-secret" args_raw kiki "sync-public" args_raw = sync Export Import NoSecret "sync-public" args_raw kiki "import-secret" args_raw = sync NoExport Import Secret "import-secret" args_raw kiki "import-public" args_raw = sync NoExport Import NoSecret "import-public" args_raw kiki "export-secret" args_raw = sync Export NoImport Secret "export-secret" args_raw kiki "export-public" args_raw = sync Export Import NoSecret "export-public" args_raw -- Generic help kiki "help" [] = do putStrLn "Valid commands are:" let longest = maximum $ map (length . fst) commands pad cmd = take (longest+3) $ cmd ++ repeat ' ' forM commands $ \(cmd,help) -> do putStrLn $ " " ++ pad cmd ++ help putStr . unlines $ ["" ,"See 'kiki help ' for more information on a specific command." ,"Or see 'kiki help spec' for kiki's notation for specifying keys." ] return () kiki "help" args = forM_ args $ \arg -> case lookup arg commands of Nothing | arg == "spec" -> kiki_usage NoExport NoImport NoSecret arg Nothing | arg == "SPEC" -> kiki_usage NoExport NoImport NoSecret arg Nothing -> putStrLn $ "No help available for commmand '" ++ arg ++ "'." _ -> kiki arg ["--help"] kiki "show" [] = kiki "show" ["--working"] kiki "show" args = do let (sargs,margs) = processArgs sargspec polyVariadicArgs "--show" args sargspec = [ ("--working",0) --("--show-wk",0) , ("--dump",0) --("--show-all",0) , ("--all",0) --("--show-all",0) , ("--whose-key",0) , ("--packets",1) , ("--key",1) , ("--pem",1) , ("--dns",1) , ("--ssh",1) , ("--sshfp",1) , ("--wip",1) , ("--cert",1) , ("--torhash",1) ] polyVariadicArgs = ["--show"] let cap = parseCommonArgs margs homespec = cap_homespec cap passfd = cap_passfd cap pems = [] rings = [] hosts = [] walts = [] streaminfo = StreamInfo { fill = KF_None , typ = KeyRingFile , spill = KF_All , initializer = NoCreate , access = AutoAccess , transforms = [] } kikiOp = KeyRingOperation { opFiles = Map.fromList $ [ ( HomeSec, streaminfo { access = Sec }) , ( HomePub, streaminfo { access = Pub }) ] ++ rings ++ pems ++ walts ++ hosts , opPassphrases = withAgent $ do pfile <- maybeToList passfd return $ PassphraseSpec Nothing Nothing pfile , opTransforms = [] , opHome = homespec } (\f -> maybe f (const $ kiki_usage NoExport NoImport NoSecret "show") $ Map.lookup "--help" margs) $ do KikiResult rt report <- runKeyRing kikiOp input_key <- maybe (return Nothing) (const $ fmap (Just . readPublicKey) Char8.getContents) $ Map.lookup "--whose-key" margs case rt of KikiSuccess rt -> do -- interpret --show-* commands. let grip = rtGrip rt let shspec = Map.fromList [("--working", const $ show_wk (rtSecring rt) grip) ,("--all",const show_all) ,("--whose-key", const $ show_whose_key input_key) ,("--packets", show_packets) ,("--key",\[x] -> show_id x $ fromMaybe "" grip) ,("--pem",\[x] -> show_pem x $ fromMaybe "" grip) ,("--dns",\[x] -> show_dns x $ fromMaybe "" grip) ,("--ssh",\[x] -> show_ssh x $ fromMaybe "" grip) ,("--sshfp",\[x] -> show_sshfp x $ fromMaybe "" grip) ,("--wip",\[x] -> show_wip x $ fromMaybe "" grip) ,("--cert",\[x] -> show_cert x $ fromMaybe "" grip) ,("--torhash",\[x] -> show_torhash x) ,("--dump", const $ debug_dump (rtSecring rt) grip) ] shargs = mapMaybe (\(x:xs) -> (,xs) <$> Map.lookup x shspec) sargs forM_ shargs $ \(cmd,args) -> cmd args (rtKeyDB rt) err -> putStrLn $ errorString err forM_ report $ \(fname,act) -> do putStrLn $ fname ++ ": " ++ reportString act kiki "merge" [] = do putStr . unlines $ [ "kiki merge [ ( --passphrase-fd=FD" , " | --agent" , " | --show-key=SPEC" , " | --show-all" , " | --packets ) ... ]" , " ( --home[=HOMEDIR]" , " | --type=(keyring|pem|wallet|hosts|dns)" , " | --access=[auto|secret|public]" , " | --flow=(fill|spill|sync)[,(subkeys|signed|match=SPEC)]" , " | --create=(rsa:SIZE|cmd:CMD)" , " | --autosign[=no]" , " | --delete=FINGERPRINT" , " | --delete-usage=TAG" , " | --" , " | FILE ) ..." , "" , "OPTIONS" , "" , " --agent Use gpg-agent." , "" , " --show-all After files have been written, show information for all" , " known keys." , "" , " --show-key=SPEC After files have been written, show information for the" , " key identified by SPEC." , "" , " --packets After files have been written, declare each known pkg packet." , "" , "OPERANDS" , "" , " --home[=HOMEDIR] A symbolic operand that is a place holder for two files:" , " HOMEDIR/{secring.gpg,pubring.gpg}" , " HOMEDIR defaults to your GnuPG home directory." , "" , " FILE A path to a key file to read or update." , "" , "MODIFIERS" , "" , " --type=(keyring|pem|wallet|hosts|dns)" , " The type of the following file. Unlike other modifiers," , " This modifier remains in effect accross multiple operands" , " unless another --type instance is seen. The default type" , " is keyring." , "" , " --access=[auto|secret|public]" , "" , " --flow=(fill|spill|sync)[,(subkeys|signed|match=SPEC)]" , " If not specified, default is to spill (read and use but" , " don't write)." , "" , " --create=(rsa:SIZE|cmd:CMD)" , " Note: With --flow=spill, a dummy file name must still be" , " provided so that the command line can be parsed." , "" , " --autosign[=no]" , "" , " --delete=FINGERPRINT" , "" , " --delete-usage=TAG" ] kiki "merge" args | "--help" `elem` args = do kiki "merge" [] -- TODO: more help kiki "merge" args = do hPutStrLn stderr $ ppShow op KikiResult rt report <- runKeyRing (mbAgent op) case rt of KikiSuccess rt -> do let db = rtKeyDB rt if bShowAll then show_all db else forM_ keyspecs $ \keyspec -> do show_id keyspec (error "show_id wkgrip") db when bPackets $ show_packets [] db err -> putStrLn $ errorString err forM_ report $ \(fname,act) -> do putStrLn $ fname ++ ": " ++ reportString act where (_,((_,keyspecs),op)) = foldl' buildOp (True,((flow0,[]),noop)) args3 (args',mbAgent) = case break (=="--agent") args of (as,[]) -> (as, id) (as,_:bs) -> ( as++bs , \op -> op { opPassphrases = withAgent (opPassphrases op) }) (args'',bShowAll) = case break (=="--show-all") args' of (as,[]) -> (as, False) (as,_:bs) -> (as++bs, True) (args3,bPackets) = case break (=="--packets") args'' of (as,[]) -> (as, False) (as,_:bs) -> (as++bs, True) noop = KeyRingOperation { opFiles = Map.empty , opTransforms = [] , opHome = Nothing , opPassphrases = [] } flow0 = StreamInfo { access = AutoAccess , typ = KeyRingFile , spill = KF_All , fill = KF_None , initializer = NoCreate , transforms = [] } updateFlow :: Bool -> Bool -> KeyFilter -> StreamInfo -> StreamInfo updateFlow fil spil val flow = spill' $ fill' $ flow where fill' flow = flow { fill = if fil then val else fill flow } spill' flow = flow { spill = if spil then val else spill flow } parseFlow :: String -> Maybe ((Bool,Bool),KeyFilter) parseFlow spec = do guard $ null bads Just ( ( "spill" `elem` goods || "sync" `elem` goods , "fill" `elem` goods || "sync" `elem` goods ) , case match of Just spec -> KF_Match spec Nothing | "signed" `elem` goods -> KF_Authentic | "subkeys" `elem` goods -> KF_Subkeys | otherwise -> KF_All) where ws = case groupBy (\_ c->c/=',') spec of w:xs -> w:map (drop 1) xs [] -> [] (goods,bads) = partition acceptable ws acceptable :: String -> Bool acceptable "spill" = True acceptable "fill" = True acceptable "sync" = True acceptable "signed" = True acceptable "subkeys" = True acceptable s | "match=" `isPrefixOf` s = True acceptable _ = False match = listToMaybe $ do m <- filter ("match=" `isPrefixOf`) goods return $ drop 6 m doFile :: (StreamInfo,[String]) -> KeyRingOperation -> FilePath -> ((StreamInfo,[String]),KeyRingOperation) doFile (flow,specs) op fname = ( (,) flow0 { typ = typ flow } specs -- everything resets except for --type , op { opFiles= Map.insert (ArgFile fname) flow (opFiles op) }) doDelete :: String -> (StreamInfo,[String]) -> KeyRingOperation -> ((StreamInfo,[String]),KeyRingOperation) doDelete fp flow op = ( flow , op { opTransforms = opTransforms op ++ [DeleteSubkeyByFingerprint fp] } ) doDeleteUsage :: String -> (StreamInfo,[String]) -> KeyRingOperation -> ((StreamInfo,[String]),KeyRingOperation) doDeleteUsage tag flow op = ( flow , op { opTransforms = opTransforms op ++ [DeleteSubkeyByUsage tag] } ) doAutosign :: Bool -> (StreamInfo,[String]) -> KeyRingOperation -> ((StreamInfo,[String]),KeyRingOperation) doAutosign True (flow,specs) op = if Map.null (opFiles op) then ((,) flow specs, op { opTransforms = opTransforms op ++ [Autosign] }) else ((,) flow { transforms = transforms flow ++ [Autosign] } specs, op) doAutosign False (flow,specs) op = ( (,) flow { transforms = filter (/=Autosign) (transforms flow) } specs , op { opTransforms = filter (/=Autosign) (opTransforms op) } ) doPassphrase :: (StreamInfo,[String]) -> KeyRingOperation -> String -> ((StreamInfo,[String]),KeyRingOperation) doPassphrase flow op pass = if Map.null (opFiles op) then ( flow , op { opPassphrases = PassphraseSpec Nothing Nothing pfd : opPassphrases op } ) else error "passphrase-fd must come before any file arguments or --home" where pfd = FileDesc (read pass) buildOp :: (Bool,((StreamInfo,[String]),KeyRingOperation)) -> String -> (Bool,((StreamInfo,[String]),KeyRingOperation)) buildOp (False,(flow,op)) fname = (False,doFile flow op fname) buildOp (True,(flow@(si,specs),op)) arg@(splitArg->parsed) = case parsed of Left ("",Nothing) -> (False,(flow,op)) _ -> (True,) dispatch where dispatch = case parsed of Right fname -> doFile flow op fname Left ("delete",Just fp) -> doDelete fp flow op Left ("delete-usage",Just tag) -> doDeleteUsage tag flow op Left ("autosign",Nothing) -> doAutosign True flow op Left ("autosign",Just "y") -> doAutosign True flow op Left ("autosign",Just "yes") -> doAutosign True flow op Left ("autosign",Just "true") -> doAutosign True flow op Left ("autosign",Just "n") -> doAutosign False flow op Left ("autosign",Just "no") -> doAutosign False flow op Left ("autosign",Just "false")-> doAutosign False flow op Left ("passphrase-fd",Just pass) -> doPassphrase flow op pass Left ("create",Nothing) -> ( (,) si { initializer = Internal (GenRSA (4096 `div` 8)) } specs , op ) Left ("create",Just cmd) | "cmd:" `isPrefixOf` cmd -> ( (,) si { initializer = case drop 4 cmd of [] -> NoCreate extern -> External extern } specs , op ) Left ("create",Just cmd) | "rsa:" `isPrefixOf` cmd -> ( (,) si { initializer = case drop 4 cmd of [] -> NoCreate bits -> case takeWhile isDigit bits of [] -> NoCreate digits -> Internal (GenRSA (read digits `div` 8)) } specs , op ) Left ("type",Just "keyring") -> ( (,) si { typ = KeyRingFile } specs, op ) Left ("type",Just "pem" ) -> ( (,) si { typ = PEMFile } specs, op ) Left ("type",Just "wallet" ) -> ( (,) si { typ = WalletFile } specs, op ) Left ("type",Just "hosts" ) -> ( (,) si { typ = Hosts } specs, op ) Left ("type",Just "dns" ) -> ( (,) si { typ = DNSPresentation } specs, op ) Left ("access",Just "public") -> ( (,) si { access = Pub } specs, op ) Left ("access",Just "secret") -> ( (,) si { access = Sec } specs, op ) Left ("access",Just "auto") -> ( (,) si { access = AutoAccess } specs, op ) Left ("home",mb) -> ( flow , op { opFiles = Map.insert HomePub (si { typ=KeyRingFile , access=Pub }) $ Map.insert HomeSec (si { typ=KeyRingFile , access=Sec }) $ opFiles op , opHome = opHome op `mplus` mb } ) Left ("flow",Just flowspec) -> case parseFlow flowspec of Just ( (spil,fil), mtch ) -> ( (,) (updateFlow fil spil mtch si) specs , op ) Nothing -> error "Valid flow words are: spill,fill,sync,signed,subkeys or match=KEYSPEC" Left ("show-key",Just keyspec) -> ( (,) si (keyspec:specs) , op ) Left (option,_) -> error $ "Unrecognized option: " ++ option kiki "init" args | "--help" `elem` args = do putStr . unlines $ [ "kiki init [ --passphrase-fd=FD" , " | --homedir[=HOMEDIR]" , " | --chroot=ROOTDIR ]" , " | --cipher="++intercalate "|" (map ciphername ciphers)++" ] ..." , "" , "Modify your GnuPG keyring and update /var/cache/kiki. The following" , "changes will occur to the keyring:" , "" , " master-key (generated if not present)" , " tor (generated if not prsenet)" , " ipsec (generated if not prsenet)" , " ssh-server (imported or generated if not present)" , " ssh-client (imported or gnnerated if not present)" , "" , "OPTIONS" , "" , " --chroot=ROOTDIR" , " Use ROOTDIR for input of ssh keys and export files to" , " ROOTDIR/var/cache/kiki instead of the current system path." , " When this option is specified, the GNUPGHOME environment" , " variable is ignored and you must use --homedir to specify" , " a value other than /root/.gnupg." , "" , "" ] ++ documentHomeDir ++ [""] ++ documentPassphraseFDFlag True True True kiki "init" args = do rootOK <- case runArgs ([],args) dashdashChroot of Left e -> hPutStrLn stderr (usageErrorMessage e) >> return False Right root -> if root "x" /= root "x" then return True else fmap (==0) $ getEffectiveUserID if rootOK then run args $ importAndRefresh <$> dashdashChroot <*> dashdashHomedir <*> dashdashCipher else do hPutStrLn stderr "Missing --chroot option. Permision denied." exitFailure kiki "spawn" args | "--help" `elem` args = putStr . unlines $ [ "kiki spawn [ --passphrase-fd=FD" , " | --homedir[=HOMEDIR]" , " | --cipher="++intercalate "|" (map ciphername ciphers)++" ]" , " " ] kiki "spawn" args = run args $ spawn <$> dashdashHomedir <*> dashdashCipher <*> param 0 kiki "delete" args | "--help" `elem` args = do putStr . unlines $ [ "kiki delete ..." , "" , " Delete the subkeys specified by the given fingerprints along" , " with all associated signatures and trust markers." ] return () kiki "delete" args = doTransform args delete where delete fps = map DeleteSubkeyByFingerprint fps kiki "rename" args | "--help" `elem` args = do putStr . unlines $ [ "kiki rename [--homedir ] [--passphrase-fd ] " , "" , " Reassigns a key usage tag from old-tag to new-tag." , " The old signature will be replaced and a new one formed." ] return () kiki "rename" args = doTransform args rename where rename (oldtag:newtag:_) = [ RenameSubkeys oldtag newtag ] rename _ = [] kiki "tar" args | "--help" `elem` args = do putStr . unlines $ [ "kiki tar (-c|-t) [--secrets SPEC] [--passphrase-fd FD] [--homedir HOMEDIR]" , "" , "Import or export a tar archive containing key files in the proper" , "format for software configuration." , "" ," -c Generate tar archive on stdout." ,"" ," -t List filepaths that would be included in the (-c) output archive." ,"" ," --secrets SPEC" ," Include secret keys for the specified identity." ," Otherwise, only public keys are included." ,"" ," SPEC is matched against the following forms in order:" ,"" ," -" ," (current working identity)" ,"" ," fp:4A39F" ," (tail end of a fingerprint prefixed by 'fp:')" ,"" ," u:joe" ," (sub-string of a user id prefixed by 'u:')" ,"" ," 5E24CD442AA6965D2012E62A905C24185D5379C2" ," (fingerprint as 40 characters of hexidecimal)" ,"" ," joe" ," (sub-string of a user id without 'u:' prefix)" ] kiki "tar" args = do let parsed_args = processArgs sargspec [] "" args sargspec = [("-t",0),("-c",0),("--secrets",1)] ismode ("-t":_) = True ismode ("-c":_) = True ismode _ = False case filter ismode (fst parsed_args) of ["-t":_] -> tarT parsed_args ["-c":_] -> tarC parsed_args ["-A":_] -> putStrLn "unimplemented." -- import tar file? _ -> kiki "tar" ["--help"] kiki "verify" args | "--help" `elem` args = do putStr . unlines $ [ "kiki verify [--homedir HOMEDIR | --homeless] [[--keyring FILE] ...] FILE" ] kiki "verify" argvals = let opts = [("--homedir",1),("--keyring",1),("--homeless",0)] in case runArgs (parseInvocation (fancy opts [] "") argvals) (verifyFile <$> flag "--homeless" <*> dashdashHomedir <*> args "--keyring" <*> param 0) of Left er -> hPutStrLn stderr $ usageErrorMessage er Right io -> io kiki cmd args = hPutStrLn stderr $ "I don't know how to "++cmd++"." sshkeyname :: Packet -> [FilePath] sshkeyname SecretKeyPacket { key_algorithm = RSA } = ["id_rsa"] sshkeyname _ = [] tarContent :: KeyRingRuntime -> Maybe String -> ([Char8.ByteString] -> SockAddr -> Packet -> [Packet] -> t ) -> ([(KeyRing.KeyKey, Packet, [Packet])] -> t) -> (Packet -> t) -> [(String, t)] tarContent rt spec pubpem knownhosts secpem = ipsecs ++ sshs ++ secrets "root" where ipsecs = do (kk,ipsec,sigs) <- selectPublicKeyAndSigs (KeyUidMatch "",Just "ipsec") (rtKeyDB rt) let kd = (byKeyKey (rtKeyDB rt) Map.! kk) Hostnames addr onames ns _ = getHostnames kd oname <- onames return ("etc/ipsec.d/certs/" ++ Char8.unpack oname ++ ".pem", pubpem ns addr ipsec sigs) sshs = case selectPublicKeyAndSigs (KeyUidMatch "",Just "ssh-host") (rtKeyDB rt) of [] -> [] ssh_sel -> [("etc/ssh/ssh_known_hosts", knownhosts ssh_sel)] secrets_kd = case fst . parseSpec "" <$> (++"/") <$> spec of _ | spec == Just "-" || spec == Just "" -> maybeToList (rtWorkingKey rt) >>= return . (Map.!) (byKeyKey $ rtKeyDB rt) . keykey Just topspec -> map snd $ filterMatches topspec $ Map.toList $ byKeyKey $ rtKeyDB rt w -> [] lookupSecret tag kd = maybeToList $ selectSecretKey (KeyGrip "",Just tag) m where m = KeyDB { byKeyKey = Map.singleton (keykey $ keyPacket kd) kd } dir :: FilePath -> FilePath dir d = d -- TODO: prepend prefix path? spem d k = (d, secpem k) secrets homedir = do kd <- secrets_kd let torkey = spem (dir "var/lib/tor/samizdat/private_key") <$> lookupSecret "tor" kd sshcli = do k <- lookupSecret "ssh-client" kd keyname <- sshkeyname k return $ spem (dir $ homedir ++ "/.ssh/" ++ keyname) k sshsvr = spem (dir "etc/ssh/ssh_host_rsa_key") <$> lookupSecret "ssh-host" kd ipseckey = do k <- lookupSecret "ipsec" kd keyName <- ipsecKeyNames (getHostnames kd) return $ spem (dir $ keyName) k torkey ++ sshcli ++ sshsvr ++ ipseckey ipsecKeyNames :: Hostnames -> [String] ipsecKeyNames (Hostnames _ onames _ _) = do oname <- Char8.unpack <$> onames return $ "etc/ipsec.d/private/"++oname++".pem" tarT :: ([[String]],Map.Map String [String]) -> IO () tarT (sargs,margs) = do KikiResult rt report <- runKeyRing $ minimalOp False $ parseCommonArgs margs case rt of KikiSuccess rt -> do let keyspec = concat . take 1 <$> Map.lookup "--secrets" margs nil = error "internal error!" fs = map fst $ tarContent rt keyspec nil nil nil mapM_ putStrLn fs err -> putStrLn $ errorString err tarC :: ([[String]],Map.Map String [String]) -> IO () tarC (sargs,margs) = do KikiResult rt report <- runKeyRing $ minimalOp False $ parseCommonArgs margs case rt of KikiSuccess rt -> do CTime pubtime <- modificationTime <$> getFileStatus (rtPubring rt) let keyspec = concat . take 1 <$> Map.lookup "--secrets" margs pubtime64 :: Int64 pubtime64 = fromIntegral pubtime -- EpochTime=CTime is Int32 on some platforms fs :: [(String, (Int64,Either (IO (Maybe Char8.ByteString)) Char8.ByteString))] fs = tarContent rt keyspec build_ipsec (build_ssh rt pubtime64) (build_secret rt) es = do (n,(epoch_time_int64,ebs)) <- fs let mktar' = mktar n epoch_time_int64 return $ case ebs of Right bs -> return $ either (const Nothing) Just $ mktar' bs Left iombs -> do mbs <- iombs case mbs of Nothing -> return Nothing Just bs -> return $ either (const Nothing) Just $ mktar' bs tarbs <- Tar.write . mapMaybe id <$> sequence es L.putStr tarbs err -> putStrLn $ errorString err where build_ipsec :: Num n => b -> c -> Packet -> d -> (n, Either a Char8.ByteString) build_ipsec ns addr ipsec sigs = ( fromIntegral $ timestamp ipsec , Right $ Char8.pack $ fromJust $ pemFromPacket ipsec) build_ssh rt timestamp sshs = (timestamp, Right $ Char8.unlines $ map knownhost sshs) where knownhost (kk,hostkey,sigs) = Char8.intercalate "," ns <> " " <> Char8.pack (sshblobFromPacket hostkey) where ns = onames ++ others Hostnames _ onames others _ = getHostnames $ byKeyKey (rtKeyDB rt) Map.! kk build_secret :: Num t => KeyRingRuntime -> Packet -> (t, Either (IO (Maybe Char8.ByteString)) b) build_secret rt k = ( fromIntegral $ timestamp k , Left $ fmap Char8.pack . (>>= secretPemFromPacket) <$> decrypt rt k ) mktar :: FilePath -> Tar.EpochTime -> L.ByteString -> Either String Tar.Entry mktar n epoch_time_int64 bs = do torpath <- Tar.toTarPath False n Right $ (Tar.fileEntry torpath bs) { Tar.entryTime = epoch_time_int64 } decrypt :: KeyRingRuntime -> Packet -> IO (Maybe Packet) decrypt rt k@SecretKeyPacket { symmetric_algorithm = Unencrypted } = return $ Just k decrypt rt k = do r <- rtPassphrases rt (Unencrypted,S2K 100 "") (MappedPacket k Map.empty) case r of KikiSuccess p -> return $ Just p _ -> do hPutStrLn stderr $ "Failed to decrypt "++fingerprint k++"." return Nothing -- | -- -- no leading hyphen, returns Right (input string). -- -- single leading hyphen, quits program with "Unrecognized option" error -- -- Otherwise, Left (key-value pair) is returned by parsing -- a string of the form --key=value. splitArg :: String -> Either (String,Maybe String) String splitArg arg = case hyphens of "" -> Right name "-" -> error $ "Unrecognized option: " ++ arg _ -> Left $ parseLongOption name where (hyphens, name) = span (=='-') arg parseLongOption name = (key,val v) where (key,v) = break (=='=') name val ('=':vs) = Just vs val _ = Nothing commands :: [(String,String)] commands = [ ( "help", "display usage information" ) --, ( "sync", "update key files of various kinds by propogating information" ) , ( "show", "display information from your keyrings") , ( "sync-secret", "update key files of various kinds by propogating information (both secret and public)" ) , ( "sync-public", "update key files of various kinds by propogating public information" ) , ( "import-secret", "import (both public and secret) information into your keyring" ) , ( "import-public", "import (public) information into your keyring" ) , ( "export-secret", "export (both public and secret) information into your keyring" ) , ( "export-public", "import (public) information into your keyring" ) , ( "merge", "low level import/export operation" ) -- , ( "init-key", "initialize the samizdat key ring") , ( "init", "Initialize kiki") , ( "spawn", "Initialize a new, pre-authenticated, key set for use by another person.") , ( "delete", "Delete a subkey and its associated signatures" ) , ( "rename", "Change the usage tag on a specified subkey" ) -- also repairs signature and adds missing cross-certification. , ( "tar", "import or export system key files in tar format" ) , ( "verify", "Check a clear-sign pgp signature." ) ] main :: IO () main = do dotlock_init args_raw0 <- getArgs args_raw <- case break (=="--trace-verify") args_raw0 of (as,[]) -> return as (as,_:bs) -> do setVerifyFlag True return $ as ++ bs case args_raw of [] -> kiki "show" ["--working"] cmd : args | cmd `elem` map fst commands -> kiki cmd args _ -> kiki "help" [] --args_raw