bugfixes

chatserver-telnet.go

@@ -83,6 +83,7 @@ func handleTelnetConn(bufConn bufferedConn) {
 				email = strings.TrimSpace(msg)
 				emailParts := strings.Split(email, "@")
 				if 2 != len(emailParts) {
+					email = ""
 					fmt.Fprintf(bufConn, "Email: ")
 					continue
 				}

chatserver.go

@@ -10,7 +10,6 @@ import (
 	"encoding/base64"
 	"flag"
 	"fmt"
-	"io"
 	"io/ioutil"
 	"net"
 	"net/http"
@@ -43,12 +42,12 @@ type ConfMailer struct {
 // https://stackoverflow.com/questions/51472020/how-to-get-the-size-of-available-tcp-data
 type bufferedConn struct {
 	r *bufio.Reader
-	rout io.Reader // See https://github.com/polvi/sni/blob/master/sni.go#L135
+	//rout *io.Reader // See https://github.com/polvi/sni/blob/master/sni.go#L135
 	net.Conn
 }
 
 func newBufferedConn(c net.Conn) bufferedConn {
-	return bufferedConn{bufio.NewReader(c), nil, c}
+	return bufferedConn{bufio.NewReader(c), c}
 }
 
 func (b bufferedConn) Peek(n int) ([]byte, error) {
@@ -60,9 +59,11 @@ func (b bufferedConn) Buffered() int {
 }
 
 func (b bufferedConn) Read(p []byte) (int, error) {
+	/*
 		if b.rout != nil {
 			return b.rout.Read(p)
 		}
+	*/
 	return b.r.Read(p)
 }
 
@@ -166,6 +167,9 @@ func muxTcp(conn bufferedConn) {
 	}
 
 	if "" == protocol {
+		// Throw away the first bytes
+		b := make([]byte, 4096)
+		conn.Read(b)
 		fmt.Fprintf(conn, "\n\nWelcome to Sample Chat! You're not an HTTP client, assuming Telnet.\nYou must authenticate via email to participate\n\nEmail: ")
 		wantsServerHello <- conn
 		return