i2p.cpp raw

   1  // Copyright (c) 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 <common/args.h>
   6  #include <compat/compat.h>
   7  #include <i2p.h>
   8  #include <netaddress.h>
   9  #include <netbase.h>
  10  #include <test/fuzz/FuzzedDataProvider.h>
  11  #include <test/fuzz/fuzz.h>
  12  #include <test/fuzz/util.h>
  13  #include <test/fuzz/util/net.h>
  14  #include <test/fuzz/util/threadinterrupt.h>
  15  #include <test/util/setup_common.h>
  16  #include <test/util/time.h>
  17  #include <util/fs_helpers.h>
  18  #include <util/threadinterrupt.h>
  19  
  20  void initialize_i2p()
  21  {
  22      static const auto testing_setup = MakeNoLogFileContext<>();
  23  }
  24  
  25  FUZZ_TARGET(i2p, .init = initialize_i2p)
  26  {
  27      SeedRandomStateForTest(SeedRand::ZEROS);
  28      FuzzedDataProvider fuzzed_data_provider{buffer.data(), buffer.size()};
  29  
  30      FakeNodeClock clock{ConsumeTime(fuzzed_data_provider)};
  31      FakeSteadyClock steady_clock;
  32  
  33      // Mock CreateSock() to create FuzzedSock.
  34      auto CreateSockOrig = CreateSock;
  35      CreateSock = [&fuzzed_data_provider, &steady_clock](int, int, int) {
  36          return std::make_unique<FuzzedSock>(fuzzed_data_provider, steady_clock);
  37      };
  38  
  39      const fs::path private_key_path = gArgs.GetDataDirNet() / "fuzzed_i2p_private_key";
  40      const CService addr{in6_addr(COMPAT_IN6ADDR_LOOPBACK_INIT), 7656};
  41      const Proxy sam_proxy{addr, /*tor_stream_isolation=*/false};
  42      auto interrupt{ConsumeThreadInterrupt(fuzzed_data_provider)};
  43  
  44      i2p::sam::Session session{private_key_path, sam_proxy, interrupt};
  45      i2p::Connection conn;
  46  
  47      if (session.Listen(conn)) {
  48          if (session.Accept(conn)) {
  49              try {
  50                  (void)conn.sock->RecvUntilTerminator('\n', 10ms, *interrupt, i2p::sam::MAX_MSG_SIZE);
  51              } catch (const std::runtime_error&) {
  52              }
  53          }
  54      }
  55  
  56      bool proxy_error;
  57  
  58      if (session.Connect(CService{}, conn, proxy_error)) {
  59          try {
  60              conn.sock->SendComplete("verack\n", 10ms, *interrupt);
  61          } catch (const std::runtime_error&) {
  62          }
  63      }
  64  
  65      fs::remove(private_key_path);
  66  
  67      CreateSock = CreateSockOrig;
  68  }
  69