func GetUserByName(userName string) (api.User, error) {
if CData.Users == nil {
return nil, logger.Err("No registered users")
}
for i := range CData.Users {
if CData.Users[i].GetName() == userName {
return CData.Users[i], nil
}
}
return nil, logger.Err("User not found")
}
func ProcessLogin(cmd *Cmd) error {
switch len(cmd.Arg) {
case 1:
if cmd.Arg[0] == "" {
return logger.Err("Login: Invalid Name")
}
// Currently no real checks
return nil
default:
return logger.Err("Login: Wrong number of arguments needed to login")
}
return logger.Err("Internal error for ProcessLogin")
}
func (mcp *GoodThopter) writeByte(b uint8) {
data := make([]byte, b)
_, err := mcp.Serial.Write(data)
if err != nil {
logger.Err("Could not write to Thopter")
}
}
// ProcessIncoming unmarshals string request back to structs
func (c *Client) ProcessIncoming(msg string) (*api.Cmd, error) {
cmd := &api.Cmd{}
switch c.Lang {
case LANG_JSON:
err := json.Unmarshal([]byte(msg), &cmd)
if err != nil {
return cmd, logger.Err("Invalid JSON Syntax")
}
default: // LANG_XML
err := xml.Unmarshal([]byte(msg), &cmd)
if err != nil {
return cmd, logger.Err("Invalid XML Syntax")
}
}
return cmd, nil
}
func StartSPAWebListener(root string, ip string, port string) error {
web_root = root
r := mux.NewRouter()
r.HandleFunc("/", homeHandler)
r.HandleFunc("/login", loginHandler)
r.HandleFunc("/logout", logoutHandler)
r.HandleFunc("/partials/lobby.html", partialLobbyHandler)
r.HandleFunc("/candevice/{id}/config", configCanHandler)
r.HandleFunc("/candevice/{id}/join", joinHaxHandler)
r.HandleFunc("/candevice/{id}/info", candeviceInfoHandler)
r.HandleFunc("/hax/{id}/packets", haxPacketsHandler)
r.HandleFunc("/hax/{id}/start", haxStartHandler)
r.HandleFunc("/hax/{id}/stop", haxStopHandler)
r.HandleFunc("/hax/{id}/transmit", haxTransmitHandler)
r.HandleFunc("/candevices", candevicesHandler)
r.HandleFunc("/lobby/AddSimulator", addSimHandler)
http.Handle("/partials/", http.FileServer(http.Dir(root)))
http.Handle("/js/", http.FileServer(http.Dir(root)))
http.Handle("/css/", http.FileServer(http.Dir(root)))
http.Handle("/fonts/", http.FileServer(http.Dir(root)))
http.Handle("/images/", http.FileServer(http.Dir(root)))
http.Handle("/bootstrap/", http.FileServer(http.Dir(root)))
http.Handle("/", r)
remote := ip + ":" + port
logger.Log("Starting CANiBUS Web server on " + remote)
err := http.ListenAndServe(remote, nil)
if err != nil {
return logger.Err("Could not bind web to port: " + err.Error())
}
return nil
}
func checkAuth(w http.ResponseWriter, r *http.Request) error {
session, _ := store.Get(r, "canibus")
if session.Values["user"] == nil {
http.Redirect(w, r, "/", http.StatusFound)
return logger.Err("Not authenticated")
}
return nil
}
func GetDeviceById(id int) (api.CanDevice, error) {
drivers := CData.CConfig.GetDrivers()
for i := range drivers {
if drivers[i].GetId() == id {
return drivers[i], nil
}
}
return nil, logger.Err("No device with that ID")
}
func (mcp *GoodThopter) readByte() uint8 {
buf := make([]byte, 128)
_, err := mcp.Serial.Read(buf)
if err != nil {
logger.Err("Could not read from Thopter")
return 0
}
return buf[0]
}
func StartWebListener(root string, ip string, port string) error {
web_root = root
http.HandleFunc("/", rootHandler)
http.HandleFunc("/login", loginHandler)
http.HandleFunc("/logout", logoutHandler)
http.HandleFunc("/lobby", lobbyHandler)
http.HandleFunc("/config", configHandler)
http.HandleFunc("/hacksession", hacksessionHandler)
//http.Handle("/chatLobby", websocket.Handler(chatLobbyHandler))
remote := ip + ":" + port
logger.Log("Starting CANiBUS Web server on " + remote)
err := http.ListenAndServe(remote, nil)
if err != nil {
return logger.Err("Could not bind web to port: " + err.Error())
}
return nil
}
func (s *HackSession) InjectPacket(user api.User, TxPkt api.TransmitPacket) error {
if s.Device == nil {
return logger.Err("Device not set")
}
var err error
pkt := api.CanData{}
pkt.Src = user.GetName()
pkt.ArbID = TxPkt.ArbId
pkt.Network = TxPkt.Network
pkt.B1, err = api.Atoui8(TxPkt.B1)
if err != nil {
return err
}
pkt.B2, err = api.Atoui8(TxPkt.B2)
if err != nil {
return err
}
pkt.B3, err = api.Atoui8(TxPkt.B3)
if err != nil {
return err
}
pkt.B4, err = api.Atoui8(TxPkt.B4)
if err != nil {
return err
}
pkt.B5, err = api.Atoui8(TxPkt.B5)
if err != nil {
return err
}
pkt.B6, err = api.Atoui8(TxPkt.B6)
if err != nil {
return err
}
pkt.B7, err = api.Atoui8(TxPkt.B7)
if err != nil {
return err
}
pkt.B8, err = api.Atoui8(TxPkt.B8)
if err != nil {
return err
}
err = s.Device.InjectPacket(pkt)
return err
}
// StartListener starts a listening socket on a given port and IP
func StartListener(ip string, port string) error {
serverInit()
remote := ip + ":" + port
logger.Log("Starting CANiBUS Server on " + remote)
ln, err := net.Listen("tcp", remote)
if err != nil {
return logger.Err("Could not bind to port: " + err.Error())
}
logger.Log("Server started")
defer ln.Close()
for {
conn, err := ln.Accept()
if err != nil {
fmt.Println(err)
continue
}
go handleConnection(conn)
}
return nil
}
// Sends a command then polls until it recieves a prompt
func (e *Elm327) SendCmd(line string) ([]string, error) {
fmt.Println("DEBUG: Sending command: ", line)
e.Serial.Writeln(line)
timeout := 10
maxlines := 5
var result []string
done := false
for timeout > 0 && !done {
timeout -= 1
resp, gotLine := e.Serial.ReadLn()
fmt.Println("DEBUG: gotLine", gotLine)
if gotLine {
maxlines -= 1
} else {
timeout -= 1
if e.Serial.GotPrompt {
done = true
}
}
if maxlines == 0 {
done = true
}
// Ignore ECHO
if line != resp {
fmt.Println("DEBUG: SendCmd resp=", resp)
if len(resp) > 1 {
result = append(result, string(resp))
}
}
}
fmt.Println("SendCmd Results: ", result)
if len(result) > 1 && strings.Contains(result[1], "UNABLE TO CONNECT") {
return nil, logger.Err("Unable to Connect to ECU")
}
return result, nil
}