From fa75d40ef866ef9ff8dc115e239ca6763aa23b06 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Sat, 2 Jan 2021 13:38:14 +0100 Subject: fuzz: Introduce CallOneOf helper to replace switch-case Can be reviewed with --ignore-all-space --- src/test/fuzz/connman.cpp | 200 +++++++++++++++++++++++----------------------- 1 file changed, 98 insertions(+), 102 deletions(-) (limited to 'src/test/fuzz/connman.cpp') diff --git a/src/test/fuzz/connman.cpp b/src/test/fuzz/connman.cpp index fdf51d8558..7950213bd5 100644 --- a/src/test/fuzz/connman.cpp +++ b/src/test/fuzz/connman.cpp @@ -32,108 +32,104 @@ FUZZ_TARGET_INIT(connman, initialize_connman) CSubNet random_subnet; std::string random_string; while (fuzzed_data_provider.ConsumeBool()) { - switch (fuzzed_data_provider.ConsumeIntegralInRange(0, 27)) { - case 0: - random_address = ConsumeAddress(fuzzed_data_provider); - break; - case 1: - random_netaddr = ConsumeNetAddr(fuzzed_data_provider); - break; - case 2: - random_service = ConsumeService(fuzzed_data_provider); - break; - case 3: - random_subnet = ConsumeSubNet(fuzzed_data_provider); - break; - case 4: - random_string = fuzzed_data_provider.ConsumeRandomLengthString(64); - break; - case 5: { - std::vector addresses; - while (fuzzed_data_provider.ConsumeBool()) { - addresses.push_back(ConsumeAddress(fuzzed_data_provider)); - } - // Limit nTimePenalty to int32_t to avoid signed integer overflow - (void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral()); - break; - } - case 6: - connman.AddNode(random_string); - break; - case 7: - connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral()); - break; - case 8: - connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral()); - break; - case 9: - connman.DisconnectNode(random_netaddr); - break; - case 10: - connman.DisconnectNode(random_string); - break; - case 11: - connman.DisconnectNode(random_subnet); - break; - case 12: - connman.ForEachNode([](auto) {}); - break; - case 13: - connman.ForEachNodeThen([](auto) {}, []() {}); - break; - case 14: - (void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); }); - break; - case 15: - (void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); - break; - case 16: { - (void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); - break; - } - case 17: - (void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral()); - break; - case 18: - (void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL})); - break; - case 19: - connman.MarkAddressGood(random_address); - break; - case 20: - (void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool()); - break; - case 21: - // Limit now to int32_t to avoid signed integer overflow - (void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); - break; - case 22: { - CSerializedNetMsg serialized_net_msg; - serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE); - serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider); - connman.PushMessage(&random_node, std::move(serialized_net_msg)); - break; - } - case 23: - connman.RemoveAddedNode(random_string); - break; - case 24: { - const std::vector asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); - if (SanityCheckASMap(asmap)) { - connman.SetAsmap(asmap); - } - break; - } - case 25: - connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool()); - break; - case 26: - connman.SetServices(random_service, ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS)); - break; - case 27: - connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool()); - break; - } + CallOneOf( + fuzzed_data_provider, + [&] { + random_address = ConsumeAddress(fuzzed_data_provider); + }, + [&] { + random_netaddr = ConsumeNetAddr(fuzzed_data_provider); + }, + [&] { + random_service = ConsumeService(fuzzed_data_provider); + }, + [&] { + random_subnet = ConsumeSubNet(fuzzed_data_provider); + }, + [&] { + random_string = fuzzed_data_provider.ConsumeRandomLengthString(64); + }, + [&] { + std::vector addresses; + while (fuzzed_data_provider.ConsumeBool()) { + addresses.push_back(ConsumeAddress(fuzzed_data_provider)); + } + // Limit nTimePenalty to int32_t to avoid signed integer overflow + (void)connman.AddNewAddresses(addresses, ConsumeAddress(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + connman.AddNode(random_string); + }, + [&] { + connman.CheckIncomingNonce(fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + connman.DisconnectNode(fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + connman.DisconnectNode(random_netaddr); + }, + [&] { + connman.DisconnectNode(random_string); + }, + [&] { + connman.DisconnectNode(random_subnet); + }, + [&] { + connman.ForEachNode([](auto) {}); + }, + [&] { + connman.ForEachNodeThen([](auto) {}, []() {}); + }, + [&] { + (void)connman.ForNode(fuzzed_data_provider.ConsumeIntegral(), [&](auto) { return fuzzed_data_provider.ConsumeBool(); }); + }, + [&] { + (void)connman.GetAddresses(fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + (void)connman.GetAddresses(random_node, fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + (void)connman.GetDeterministicRandomizer(fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + (void)connman.GetNodeCount(fuzzed_data_provider.PickValueInArray({CConnman::CONNECTIONS_NONE, CConnman::CONNECTIONS_IN, CConnman::CONNECTIONS_OUT, CConnman::CONNECTIONS_ALL})); + }, + [&] { + connman.MarkAddressGood(random_address); + }, + [&] { + (void)connman.OutboundTargetReached(fuzzed_data_provider.ConsumeBool()); + }, + [&] { + // Limit now to int32_t to avoid signed integer overflow + (void)connman.PoissonNextSendInbound(fuzzed_data_provider.ConsumeIntegral(), fuzzed_data_provider.ConsumeIntegral()); + }, + [&] { + CSerializedNetMsg serialized_net_msg; + serialized_net_msg.m_type = fuzzed_data_provider.ConsumeRandomLengthString(CMessageHeader::COMMAND_SIZE); + serialized_net_msg.data = ConsumeRandomLengthByteVector(fuzzed_data_provider); + connman.PushMessage(&random_node, std::move(serialized_net_msg)); + }, + [&] { + connman.RemoveAddedNode(random_string); + }, + [&] { + const std::vector asmap = ConsumeRandomLengthBitVector(fuzzed_data_provider); + if (SanityCheckASMap(asmap)) { + connman.SetAsmap(asmap); + } + }, + [&] { + connman.SetNetworkActive(fuzzed_data_provider.ConsumeBool()); + }, + [&] { + connman.SetServices(random_service, ConsumeWeakEnum(fuzzed_data_provider, ALL_SERVICE_FLAGS)); + }, + [&] { + connman.SetTryNewOutboundPeer(fuzzed_data_provider.ConsumeBool()); + }); } (void)connman.GetAddedNodeInfo(); (void)connman.GetExtraFullOutboundCount(); -- cgit v1.2.3