Initial commit

sign_server.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"fmt"
+	"io"
+	"net"
+
+	"github.com/Andoryuuta/Erupe/network"
+	"github.com/Andoryuuta/byteframe"
+)
+
+func handleSignServerConnection(conn net.Conn) {
+	// Client initalizes the connection with a one-time buffer of 8 NULL bytes.
+	nullInit := make([]byte, 8)
+	n, err := io.ReadFull(conn, nullInit)
+	if err != nil {
+		fmt.Println(err)
+		return
+	} else if n != len(nullInit) {
+		fmt.Println("io.ReadFull couldn't read the full 8 byte init.")
+		return
+	}
+
+	cc := network.NewCryptConn(conn)
+	for {
+		pkt, err := cc.ReadPacket()
+		if err != nil {
+			panic(err)
+		}
+
+		bf := byteframe.NewByteFrameFromBytes(pkt)
+		loginType := string(bf.ReadNullTerminatedBytes())
+		username := string(bf.ReadNullTerminatedBytes())
+		password := string(bf.ReadNullTerminatedBytes())
+		unk := string(bf.ReadNullTerminatedBytes())
+		fmt.Println("Got signin, type: %s, username: %s, password %s, unk: %s", loginType, username, password, unk)
+
+		//fmt.Printf("Got:\n%s", hex.Dump(pkt))
+	}
+}
+
+func doSignServer(listenAddr string) {
+	l, err := net.Listen("tcp", listenAddr)
+	if err != nil {
+		panic(err)
+	}
+	defer l.Close()
+
+	for {
+		conn, err := l.Accept()
+		if err != nil {
+			panic(err)
+		}
+		go handleSignServerConnection(conn)
+	}
+}