From ff7f40546a2b488d17ea9ccf2d2a808c81c63d51 Mon Sep 17 00:00:00 2001
From: James Crayne <jim.crayne@gmail.com>
Date: Wed, 30 May 2018 05:16:34 +0000
Subject: more netcrypto debug trace messages

---
 src/Network/Tox/Crypto/Handlers.hs | 13 ++++++++++---
 1 file changed, 10 insertions(+), 3 deletions(-)

(limited to 'src/Network/Tox/Crypto/Handlers.hs')

diff --git a/src/Network/Tox/Crypto/Handlers.hs b/src/Network/Tox/Crypto/Handlers.hs
index ac7379d4..453d4b08 100644
--- a/src/Network/Tox/Crypto/Handlers.hs
+++ b/src/Network/Tox/Crypto/Handlers.hs
@@ -47,6 +47,7 @@ import Control.Concurrent.Supply
 import Data.InOrOut
 import DPut
 import Debug.Trace
+import Text.Printf
 import Data.Bool
 
 -- util, todo: move to another module
@@ -369,7 +370,7 @@ ncToWire getState seqno bufend pktno msg = do
                      $ lookupInRangeMap typ64 msgOutMapVar
     case result1 of -- msgOutMapLookup typ64 msgOutMap of
         Nothing -> trace "lookupInRangeMap gave Nothing!" $ return Nothing
-        Just outid -> do
+        Just outid -> trace ("encrypting packet with Nonce: " ++ show n24) $ do
             let setMessageId (OneByte _)   mid = OneByte (toEnum8 mid)
                 setMessageId (TwoByte _ x) mid = TwoByte (toEnum8 mid) x
                 setMessageId (UpToN _ x)   mid = UpToN (toEnum8 mid) x
@@ -384,7 +385,9 @@ ncToWire getState seqno bufend pktno msg = do
                                             }
                                         plain = encodePlain cd
                                         encrypted = encrypt state plain
-                                        pkt = CryptoPacket { pktNonce = nonce24ToWord16 n24, pktData = encrypted }
+                                        pkt = CryptoPacket { pktNonce = let r = nonce24ToWord16 n24
+                                                                            in trace (printf "converting n24 to word16: 0x%x" r) r
+                                                           , pktData = encrypted }
                                         in return (Just (pkt, pktno))
                         Lossless -> let cd =
                                          CryptoData
@@ -667,7 +670,9 @@ cryptoNetHandler sessions addr (NetCrypto (CryptoPacket nonce16 encrypted)) = do
                         pubkey <- maybeToEither ncTheirSessionPublic
                         Right $ do -- IO Monad
                         dput XNetCrypto $ "cryptoNetHandler: pubkey =  " ++ show (key2id $ pubkey)
+                        dput XNetCrypto $ "cryptoNetHandler: theirBaseNonce =  " ++ show theirBaseNonce
                         dput XNetCrypto $ "cryptoNetHandler: tempNonce =  " ++ show tempNonce
+                                       ++ " nonce16=" ++ printf "0x%x" nonce16 ++ " last2bytes =" ++ printf "0x%x" (last2Bytes theirBaseNonce)
                         secret <- lookupSharedSecret crypto ncSessionSecret pubkey tempNonce
                         let step1 = decrypt secret encrypted
                         case step1 of
@@ -696,6 +701,8 @@ cryptoNetHandler sessions addr (NetCrypto (CryptoPacket nonce16 encrypted)) = do
                         atomically $ do
                             y <- readTVar ncTheirBaseNonce
                             let x = addtoNonce24 y (fromIntegral dATA_NUM_THRESHOLD)
+                            trace ("nonce y(" ++ show y ++ ") + " ++ show (fromIntegral dATA_NUM_THRESHOLD)
+                                    ++ " = " ++ show x) (return ())
                             writeTVar ncTheirBaseNonce y
                     -- then set session confirmed,
                     atomically $ writeTVar ncState Confirmed {-Established-}
@@ -721,7 +728,7 @@ cryptoNetHandler sessions addr (NetCrypto (CryptoPacket nonce16 encrypted)) = do
     where
         last2Bytes :: Nonce24 -> Word16
         last2Bytes (Nonce24 bs) = case S.decode (B.drop 22 bs) of
-                                    Right n -> byteSwap16 n
+                                    Right n -> trace ("byteSwap16 " ++ printf "0x%x" n ++ " = " ++ printf "0x%x" (byteSwap16 n)) $ byteSwap16 n
                                     _ -> error "unreachable-last2Bytes"
         dATA_NUM_THRESHOLD = 21845 -- = 65535 / 3
 
-- 
cgit v1.2.3