commit 6e6cc5c70c9f11f9016e892e751212d3c20c8b51 Author: David Fifield david@bamsoftware.com Date: Mon Dec 2 08:52:05 2013 -0800

No need for a bufio Reader in extOrPortAuthenticate. --- pt.go | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-)

diff --git a/pt.go b/pt.go index c2a5d8c..f858c2a 100644 --- a/pt.go +++ b/pt.go @@ -51,7 +51,6 @@ package pt

import ( - "bufio" "bytes" "crypto/hmac" "crypto/rand" @@ -490,16 +489,16 @@ func computeClientHash(authCookie, clientNonce, serverNonce []byte) []byte { }

func extOrPortAuthenticate(s io.ReadWriter, info *ServerInfo) error { - r := bufio.NewReader(s) - // Read auth types. 217-ext-orport-auth.txt section 4.1. var authTypes [256]bool var count int for count = 0; count < 256; count++ { - b, err := r.ReadByte() + buf := make([]byte, 1) + _, err := io.ReadFull(s, buf) if err != nil { return err } + b := buf[0] if b == 0 { break } @@ -532,11 +531,11 @@ func extOrPortAuthenticate(s io.ReadWriter, info *ServerInfo) error { return err }

- _, err = io.ReadFull(r, serverHash) + _, err = io.ReadFull(s, serverHash) if err != nil { return err } - _, err = io.ReadFull(r, serverNonce) + _, err = io.ReadFull(s, serverNonce) if err != nil { return err } @@ -553,7 +552,7 @@ func extOrPortAuthenticate(s io.ReadWriter, info *ServerInfo) error { }

status := make([]byte, 1) - _, err = io.ReadFull(r, status) + _, err = io.ReadFull(s, status) if err != nil { return err } @@ -561,10 +560,6 @@ func extOrPortAuthenticate(s io.ReadWriter, info *ServerInfo) error { return errors.New(fmt.Sprintf("server rejected authentication")) }

- if r.Buffered() != 0 { - return errors.New(fmt.Sprintf("%d bytes left after extended OR port authentication", r.Buffered())) - } - return nil }