new: new can module for CAN-bus

modules/can/can.go

@@ -0,0 +1,84 @@
+package can
+
+import (
+	"net"
+
+	"github.com/bettercap/bettercap/session"
+	"go.einride.tech/can/pkg/descriptor"
+	"go.einride.tech/can/pkg/socketcan"
+)
+
+type CANModule struct {
+	session.SessionModule
+
+	deviceName string
+	transport  string
+	dbcPath    string
+	dbc        *descriptor.Database
+
+	conn net.Conn
+	recv *socketcan.Receiver
+}
+
+func NewCanModule(s *session.Session) *CANModule {
+	mod := &CANModule{
+		SessionModule: session.NewSessionModule("can", s),
+		dbcPath:       "",
+		transport:     "can",
+		deviceName:    "can0",
+	}
+
+	mod.AddParam(session.NewStringParameter("can.device",
+		mod.deviceName,
+		"",
+		"CAN-bus device."))
+
+	mod.AddParam(session.NewStringParameter("can.transport",
+		mod.transport,
+		"",
+		"Network type, can be 'can' for SocketCAN or 'udp'."))
+
+	mod.AddParam(session.NewStringParameter("can.dbc_path",
+		mod.dbcPath,
+		"",
+		"Optional path to DBC file for decoding."))
+
+	mod.AddHandler(session.NewModuleHandler("can.recon on", "",
+		"Start CAN-bus discovery.",
+		func(args []string) error {
+			return mod.Start()
+		}))
+
+	mod.AddHandler(session.NewModuleHandler("can.recon off", "",
+		"Stop CAN-bus discovery.",
+		func(args []string) error {
+			return mod.Stop()
+		}))
+
+	mod.AddHandler(session.NewModuleHandler("can.clear", "",
+		"Clear everything collected by the discovery module.",
+		func(args []string) error {
+			mod.Session.CAN.Clear()
+			return nil
+		}))
+
+	mod.AddHandler(session.NewModuleHandler("can.show", "",
+		"Show a list of detected CAN devices.",
+		func(args []string) error {
+			return mod.Show()
+		}))
+
+	return mod
+}
+
+func (mod *CANModule) Name() string {
+	return "can"
+}
+
+func (mod *CANModule) Description() string {
+	return "A scanner and frames injection module for CAN-bus."
+}
+
+func (mod *CANModule) Author() string {
+	return "Simone Margaritelli <evilsocket@gmail.com>"
+}