(id string, optSize string)
| 79 | } |
| 80 | |
| 81 | func (mod *CANModule) Fuzz(id string, optSize string) error { |
| 82 | rncSource := rand.NewSource(time.Now().Unix()) |
| 83 | rng := rand.New(rncSource) |
| 84 | |
| 85 | fuzzSize := 0 |
| 86 | if optSize != "" { |
| 87 | if num, err := strconv.Atoi(optSize); err != nil { |
| 88 | return fmt.Errorf("could not parse numeric size from '%s': %v", optSize, err) |
| 89 | } else if num > 8 { |
| 90 | return fmt.Errorf("max can frame size is 8, %d given", num) |
| 91 | } else { |
| 92 | fuzzSize = num |
| 93 | } |
| 94 | } |
| 95 | |
| 96 | if frameID, err := mod.fuzzSelectFrame(id, rng); err != nil { |
| 97 | return err |
| 98 | } else if frame, err := mod.fuzzGenerateFrame(frameID, fuzzSize, rng); err != nil { |
| 99 | return err |
| 100 | } else { |
| 101 | mod.Info("injecting %s of CAN frame %d ...", |
| 102 | humanize.Bytes(uint64(frame.Length)), frame.ID) |
| 103 | if err := mod.send.TransmitFrame(context.Background(), *frame); err != nil { |
| 104 | return err |
| 105 | } |
| 106 | } |
| 107 | return nil |
| 108 | } |
no test coverage detected