Line data    Source code

       1             : // Copyright (c) 2020-2022 The Bitcoin Core developers
       2             : // Distributed under the MIT software license, see the accompanying
       3             : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4             : 
       5             : #include <netaddress.h>
       6             : #include <test/fuzz/FuzzedDataProvider.h>
       7             : #include <test/fuzz/fuzz.h>
       8             : #include <test/fuzz/util/net.h>
       9             : 
      10             : #include <cassert>
      11             : #include <cstdint>
      12             : #include <vector>
      13             : 
      14           4 : FUZZ_TARGET(netaddress)
      15             : {
      16           0 :     FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
      17           2 : 
      18           2 :     const CNetAddr net_addr = ConsumeNetAddr(fuzzed_data_provider);
      19           0 :     (void)net_addr.GetNetClass();
      20           0 :     if (net_addr.GetNetwork() == Network::NET_IPV4) {
      21           0 :         assert(net_addr.IsIPv4());
      22           0 :     }
      23           0 :     if (net_addr.GetNetwork() == Network::NET_IPV6) {
      24           0 :         assert(net_addr.IsIPv6());
      25           2 :     }
      26           0 :     if (net_addr.GetNetwork() == Network::NET_ONION) {
      27           0 :         assert(net_addr.IsTor());
      28           0 :     }
      29           0 :     if (net_addr.GetNetwork() == Network::NET_INTERNAL) {
      30           0 :         assert(net_addr.IsInternal());
      31           0 :     }
      32           0 :     if (net_addr.GetNetwork() == Network::NET_UNROUTABLE) {
      33           0 :         assert(!net_addr.IsRoutable());
      34           0 :     }
      35           0 :     (void)net_addr.IsBindAny();
      36           0 :     if (net_addr.IsInternal()) {
      37           0 :         assert(net_addr.GetNetwork() == Network::NET_INTERNAL);
      38           0 :     }
      39           0 :     if (net_addr.IsIPv4()) {
      40           0 :         assert(net_addr.GetNetwork() == Network::NET_IPV4 || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
      41           0 :     }
      42           0 :     if (net_addr.IsIPv6()) {
      43           0 :         assert(net_addr.GetNetwork() == Network::NET_IPV6 || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
      44           0 :     }
      45           0 :     (void)net_addr.IsLocal();
      46           0 :     if (net_addr.IsRFC1918() || net_addr.IsRFC2544() || net_addr.IsRFC6598() || net_addr.IsRFC5737() || net_addr.IsRFC3927()) {
      47           0 :         assert(net_addr.IsIPv4());
      48           0 :     }
      49           0 :     (void)net_addr.IsRFC2544();
      50           0 :     if (net_addr.IsRFC3849() || net_addr.IsRFC3964() || net_addr.IsRFC4380() || net_addr.IsRFC4843() || net_addr.IsRFC7343() || net_addr.IsRFC4862() || net_addr.IsRFC6052() || net_addr.IsRFC6145()) {
      51           0 :         assert(net_addr.IsIPv6());
      52           0 :     }
      53           0 :     (void)net_addr.IsRFC3927();
      54           0 :     (void)net_addr.IsRFC3964();
      55           0 :     if (net_addr.IsRFC4193()) {
      56           0 :         assert(net_addr.GetNetwork() == Network::NET_INTERNAL || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
      57           0 :     }
      58           0 :     (void)net_addr.IsRFC4380();
      59           0 :     (void)net_addr.IsRFC4843();
      60           0 :     (void)net_addr.IsRFC4862();
      61           0 :     (void)net_addr.IsRFC5737();
      62           0 :     (void)net_addr.IsRFC6052();
      63           0 :     (void)net_addr.IsRFC6145();
      64           0 :     (void)net_addr.IsRFC6598();
      65           0 :     (void)net_addr.IsRFC7343();
      66           0 :     if (!net_addr.IsRoutable()) {
      67           0 :         assert(net_addr.GetNetwork() == Network::NET_UNROUTABLE || net_addr.GetNetwork() == Network::NET_INTERNAL);
      68           0 :     }
      69           0 :     if (net_addr.IsTor()) {
      70           0 :         assert(net_addr.GetNetwork() == Network::NET_ONION);
      71           0 :     }
      72           0 :     (void)net_addr.IsValid();
      73           0 :     (void)net_addr.ToStringAddr();
      74           2 : 
      75           0 :     const CSubNet sub_net{net_addr, fuzzed_data_provider.ConsumeIntegral<uint8_t>()};
      76           0 :     (void)sub_net.IsValid();
      77           0 :     (void)sub_net.ToString();
      78             : 
      79           0 :     const CService service{net_addr, fuzzed_data_provider.ConsumeIntegral<uint16_t>()};
      80           0 :     (void)service.GetKey();
      81           0 :     (void)service.GetPort();
      82           0 :     (void)service.ToStringAddrPort();
      83           2 :     (void)CServiceHash()(service);
      84           0 :     (void)CServiceHash(0, 0)(service);
      85             : 
      86           0 :     const CNetAddr other_net_addr = ConsumeNetAddr(fuzzed_data_provider);
      87           0 :     (void)net_addr.GetReachabilityFrom(other_net_addr);
      88           0 :     (void)sub_net.Match(other_net_addr);
      89             : 
      90           0 :     const CService other_service{net_addr, fuzzed_data_provider.ConsumeIntegral<uint16_t>()};
      91           0 :     assert((service == other_service) != (service != other_service));
      92           0 :     (void)(service < other_service);
      93             : 
      94           0 :     const CSubNet sub_net_copy_1{net_addr, other_net_addr};
      95           0 :     const CSubNet sub_net_copy_2{net_addr};
      96             : 
      97           0 :     CNetAddr mutable_net_addr;
      98           0 :     mutable_net_addr.SetIP(net_addr);
      99           0 :     assert(net_addr == mutable_net_addr);
     100           0 : }