| 51 | } |
| 52 | |
| 53 | func (e *encoder) ipv4() { |
| 54 | /* |
| 55 | IPv4-fuscation: |
| 56 | "252.72.131.228\0" + "252.72.131.228\0" + "252.72.131.228\0" |
| 57 | */ |
| 58 | NUM_OF_BYTES := 4 |
| 59 | |
| 60 | var result []byte |
| 61 | rest := len(e.input) % NUM_OF_BYTES |
| 62 | |
| 63 | for i := 0; i < len(e.input)-rest; i += NUM_OF_BYTES { |
| 64 | ip := net.IP(e.input[i : i+NUM_OF_BYTES]).String() |
| 65 | bytes := append([]byte(ip), 0x00) |
| 66 | e.output = append(e.output, bytes...) |
| 67 | } |
| 68 | |
| 69 | if rest == 0 { |
| 70 | e.output = result |
| 71 | return |
| 72 | } |
| 73 | |
| 74 | length := len(e.input) |
| 75 | lastBytes := e.input[length-(NUM_OF_BYTES-rest):] |
| 76 | |
| 77 | for range rest { |
| 78 | lastBytes = append(lastBytes, 255) |
| 79 | } |
| 80 | |
| 81 | lastIp := net.IP(lastBytes).String() |
| 82 | bytes := append([]byte(lastIp), 0x00) |
| 83 | |
| 84 | e.output = append(e.output, bytes...) |
| 85 | } |
| 86 | |
| 87 | func (e *encoder) mac() { |
| 88 | /* |