bettercap/modules/events_stream/events_view_can.go
2024-08-31 14:01:40 +02:00

99 lines
2.5 KiB
Go

package events_stream
import (
"encoding/hex"
"fmt"
"io"
"github.com/bettercap/bettercap/v2/modules/can"
"github.com/bettercap/bettercap/v2/network"
"github.com/bettercap/bettercap/v2/session"
"github.com/dustin/go-humanize"
"github.com/evilsocket/islazy/tui"
)
func (mod *EventsStream) viewCANDeviceNew(output io.Writer, e session.Event) {
dev := e.Data.(*network.CANDevice)
fmt.Fprintf(output, "[%s] [%s] new CAN device %s (%s) detected.\n",
e.Time.Format(mod.timeFormat),
tui.Green(e.Tag),
tui.Bold(dev.Name),
tui.Dim(dev.Description))
}
func (mod *EventsStream) viewCANRawMessage(output io.Writer, e session.Event) {
msg := e.Data.(can.Message)
fmt.Fprintf(output, "[%s] [%s] %s <0x%x> (%s): %s\n",
e.Time.Format(mod.timeFormat),
tui.Green(e.Tag),
tui.Dim("raw"),
msg.Frame.ID,
tui.Dim(humanize.Bytes(uint64(msg.Frame.Length))),
hex.EncodeToString(msg.Frame.Data[:msg.Frame.Length]))
}
func (mod *EventsStream) viewCANDBCMessage(output io.Writer, e session.Event) {
msg := e.Data.(can.Message)
src := ""
if msg.Source != nil && msg.Source.Name != "" {
src = fmt.Sprintf(" from %s", msg.Source.Name)
}
fmt.Fprintf(output, "[%s] [%s] (dbc) <0x%x> %s (%s)%s:\n",
e.Time.Format(mod.timeFormat),
tui.Green(e.Tag),
msg.Frame.ID,
msg.Name,
tui.Dim(humanize.Bytes(uint64(msg.Frame.Length))),
tui.Bold(src))
for name, value := range msg.Signals {
fmt.Fprintf(output, " %s : %s\n", name, value)
}
}
func (mod *EventsStream) viewCANOBDMessage(output io.Writer, e session.Event) {
msg := e.Data.(can.Message)
obd2 := msg.OBD2
if obd2.Type == can.OBD2MessageTypeRequest {
fmt.Fprintf(output, "[%s] [%s] %s : %s > %s\n",
e.Time.Format(mod.timeFormat),
tui.Green(e.Tag),
tui.Yellow("obd2.request"),
obd2.Service, obd2.PID)
} else {
fmt.Fprintf(output, "[%s] [%s] %s : %s > %s > %s : 0x%x\n",
e.Time.Format(mod.timeFormat),
tui.Green(e.Tag),
tui.Yellow("obd2.response"),
tui.Bold(msg.Source.Name),
obd2.Service, obd2.PID,
obd2.Data)
}
}
func (mod *EventsStream) viewCANEvent(output io.Writer, e session.Event) {
if e.Tag == "can.device.new" {
mod.viewCANDeviceNew(output, e)
} else if e.Tag == "can.message" {
msg := e.Data.(can.Message)
if msg.OBD2 != nil {
// OBD-2 PID
mod.viewCANOBDMessage(output, e)
} else if msg.Name != "" {
// parsed from DBC
mod.viewCANDBCMessage(output, e)
} else {
// raw unparsed frame
mod.viewCANRawMessage(output, e)
}
} else {
fmt.Fprintf(output, "[%s] [%s] %v\n", e.Time.Format(mod.timeFormat), tui.Green(e.Tag), e)
}
}