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fuzz: Add ConsumeWeakEnum helper, Extract ALL_NET_PERMISSION_FLAGS

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This commit is contained in:
MarcoFalke 2020-12-28 21:58:00 +01:00
parent faaef9434c
commit fa9949b914
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GPG key ID: CE2B75697E69A548
4 changed files with 24 additions and 15 deletions
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5
src/test/fuzz/net.cpp
View file

@ -13,6 +13,7 @@
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <test/util/net.h>
#include <test/util/setup_common.h>
#include <cstdint>
@ -122,9 +123,7 @@ FUZZ_TARGET_INIT(net, initialize_net)
(void)node.GetCommonVersion();
(void)node.RelayAddrsWithConn();
const NetPermissionFlags net_permission_flags = fuzzed_data_provider.ConsumeBool() ?
fuzzed_data_provider.PickValueInArray<NetPermissionFlags>({NetPermissionFlags::PF_NONE, NetPermissionFlags::PF_BLOOMFILTER, NetPermissionFlags::PF_RELAY, NetPermissionFlags::PF_FORCERELAY, NetPermissionFlags::PF_NOBAN, NetPermissionFlags::PF_MEMPOOL, NetPermissionFlags::PF_ISIMPLICIT, NetPermissionFlags::PF_ALL}) :
static_cast<NetPermissionFlags>(fuzzed_data_provider.ConsumeIntegral<uint32_t>());
const NetPermissionFlags net_permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
(void)node.HasPermission(net_permission_flags);
(void)node.ConnectedThroughNetwork();
}

13
src/test/fuzz/net_permissions.cpp
View file

@ -17,18 +17,7 @@ FUZZ_TARGET(net_permissions)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());
const std::string s = fuzzed_data_provider.ConsumeRandomLengthString(32);
const NetPermissionFlags net_permission_flags = fuzzed_data_provider.ConsumeBool() ? fuzzed_data_provider.PickValueInArray<NetPermissionFlags>({
NetPermissionFlags::PF_NONE,
NetPermissionFlags::PF_BLOOMFILTER,
NetPermissionFlags::PF_RELAY,
NetPermissionFlags::PF_FORCERELAY,
NetPermissionFlags::PF_NOBAN,
NetPermissionFlags::PF_MEMPOOL,
NetPermissionFlags::PF_ADDR,
NetPermissionFlags::PF_ISIMPLICIT,
NetPermissionFlags::PF_ALL,
}) :
static_cast<NetPermissionFlags>(fuzzed_data_provider.ConsumeIntegral<uint32_t>());
const NetPermissionFlags net_permission_flags = ConsumeWeakEnum(fuzzed_data_provider, ALL_NET_PERMISSION_FLAGS);
NetWhitebindPermissions net_whitebind_permissions;
bilingual_str error_net_whitebind_permissions;

8
src/test/fuzz/util.h
View file

@ -87,6 +87,14 @@ template <typename T>
return obj;
}
template <typename WeakEnumType, size_t size>
[[nodiscard]] WeakEnumType ConsumeWeakEnum(FuzzedDataProvider& fuzzed_data_provider, const WeakEnumType (&all_types)[size]) noexcept
{
return fuzzed_data_provider.ConsumeBool() ?
fuzzed_data_provider.PickValueInArray<WeakEnumType>(all_types) :
WeakEnumType(fuzzed_data_provider.ConsumeIntegral<typename std::underlying_type<WeakEnumType>::type>());
}
[[nodiscard]] inline opcodetype ConsumeOpcodeType(FuzzedDataProvider& fuzzed_data_provider) noexcept
{
return static_cast<opcodetype>(fuzzed_data_provider.ConsumeIntegralInRange<uint32_t>(0, MAX_OPCODE));

13
src/test/util/net.h
View file

@ -30,6 +30,19 @@ struct ConnmanTestMsg : public CConnman {
bool ReceiveMsgFrom(CNode& node, CSerializedNetMsg& ser_msg) const;
};
constexpr NetPermissionFlags ALL_NET_PERMISSION_FLAGS[]{
NetPermissionFlags::PF_NONE,
NetPermissionFlags::PF_BLOOMFILTER,
NetPermissionFlags::PF_RELAY,
NetPermissionFlags::PF_FORCERELAY,
NetPermissionFlags::PF_NOBAN,
NetPermissionFlags::PF_MEMPOOL,
NetPermissionFlags::PF_ADDR,
NetPermissionFlags::PF_DOWNLOAD,
NetPermissionFlags::PF_ISIMPLICIT,
NetPermissionFlags::PF_ALL,
};
constexpr ConnectionType ALL_CONNECTION_TYPES[]{
ConnectionType::INBOUND,
ConnectionType::OUTBOUND_FULL_RELAY,