* Generate a random address. Always returns a valid address. */
| 52 | * Generate a random address. Always returns a valid address. |
| 53 | */ |
| 54 | CNetAddr RandAddr(FuzzedDataProvider& fuzzed_data_provider, FastRandomContext& fast_random_context) |
| 55 | { |
| 56 | CNetAddr addr; |
| 57 | if (fuzzed_data_provider.remaining_bytes() > 1 && fuzzed_data_provider.ConsumeBool()) { |
| 58 | addr = ConsumeNetAddr(fuzzed_data_provider); |
| 59 | } else { |
| 60 | // The networks [1..6] correspond to CNetAddr::BIP155Network (private). |
| 61 | static const std::map<uint8_t, uint8_t> net_len_map = {{1, ADDR_IPV4_SIZE}, |
| 62 | {2, ADDR_IPV6_SIZE}, |
| 63 | {4, ADDR_TORV3_SIZE}, |
| 64 | {5, ADDR_I2P_SIZE}, |
| 65 | {6, ADDR_CJDNS_SIZE}}; |
| 66 | uint8_t net = fast_random_context.randrange(5) + 1; // [1..5] |
| 67 | if (net == 3) { |
| 68 | net = 6; |
| 69 | } |
| 70 | |
| 71 | CDataStream s(SER_NETWORK, PROTOCOL_VERSION | ADDRV2_FORMAT); |
| 72 | |
| 73 | s << net; |
| 74 | s << fast_random_context.randbytes(net_len_map.at(net)); |
| 75 | |
| 76 | s >> addr; |
| 77 | } |
| 78 | |
| 79 | // Return a dummy IPv4 5.5.5.5 if we generated an invalid address. |
| 80 | if (!addr.IsValid()) { |
| 81 | in_addr v4_addr = {}; |
| 82 | v4_addr.s_addr = 0x05050505; |
| 83 | addr = CNetAddr{v4_addr}; |
| 84 | } |
| 85 | |
| 86 | return addr; |
| 87 | } |
| 88 | |
| 89 | /** Fill addrman with lots of addresses from lots of sources. */ |
| 90 | void FillAddrman(AddrMan& addrman, FuzzedDataProvider& fuzzed_data_provider) |
no test coverage detected