| 91 | } |
| 92 | |
| 93 | func (mod *HIDRecon) doInjection() { |
| 94 | mod.writeLock.Lock() |
| 95 | defer mod.writeLock.Unlock() |
| 96 | |
| 97 | err, dev, cmds := mod.prepInjection() |
| 98 | if err != nil { |
| 99 | mod.Error("%v", err) |
| 100 | return |
| 101 | } |
| 102 | |
| 103 | numFrames := 0 |
| 104 | szFrames := 0 |
| 105 | for _, cmd := range cmds { |
| 106 | for _, frame := range cmd.Frames { |
| 107 | numFrames++ |
| 108 | szFrames += len(frame.Data) |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | devType := mod.sniffType |
| 113 | if dev != nil { |
| 114 | devType = dev.Type.String() |
| 115 | } |
| 116 | |
| 117 | mod.Info("sending %d (%s) HID frames to %s (type:%s layout:%s) ...", |
| 118 | numFrames, |
| 119 | humanize.Bytes(uint64(szFrames)), |
| 120 | tui.Bold(mod.sniffAddr), |
| 121 | tui.Yellow(devType), |
| 122 | tui.Yellow(mod.keyLayout)) |
| 123 | |
| 124 | for i, cmd := range cmds { |
| 125 | for j, frame := range cmd.Frames { |
| 126 | for attempt := 0; attempt < 3; attempt++ { |
| 127 | if err := mod.dongle.TransmitPayload(frame.Data, 500, 5); err != nil { |
| 128 | if attempt < 2 { |
| 129 | mod.Debug("error sending frame #%d of HID command #%d: %v, retrying ...", j, i, err) |
| 130 | } else { |
| 131 | mod.Error("error sending frame #%d of HID command #%d: %v", j, i, err) |
| 132 | } |
| 133 | } else { |
| 134 | break |
| 135 | } |
| 136 | } |
| 137 | |
| 138 | if frame.Delay > 0 { |
| 139 | mod.Debug("sleeping %dms after frame #%d of command #%d ...", frame.Delay, j, i) |
| 140 | time.Sleep(frame.Delay) |
| 141 | } |
| 142 | } |
| 143 | if cmd.Sleep > 0 { |
| 144 | mod.Debug("sleeping %dms after command #%d ...", cmd.Sleep, i) |
| 145 | time.Sleep(time.Duration(cmd.Sleep) * time.Millisecond) |
| 146 | } |
| 147 | } |
| 148 | } |