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tests: Add fuzzing harness for functions in net_permissions.h

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This commit is contained in:
practicalswift 2020-03-23 15:02:18 +00:00
parent 43ff0d91f8
commit 4308aa67e3
2 changed files with 58 additions and 0 deletions
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7
src/Makefile.test.include
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@ -44,6 +44,7 @@ FUZZ_TARGETS = \
test/fuzz/merkle_block_deserialize \
test/fuzz/messageheader_deserialize \
test/fuzz/multiplication_overflow \
test/fuzz/net_permissions \
test/fuzz/netaddr_deserialize \
test/fuzz/netaddress \
test/fuzz/out_point_deserialize \
@ -530,6 +531,12 @@ test_fuzz_multiplication_overflow_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_multiplication_overflow_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_multiplication_overflow_SOURCES = $(FUZZ_SUITE) test/fuzz/multiplication_overflow.cpp
test_fuzz_net_permissions_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES)
test_fuzz_net_permissions_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_net_permissions_LDADD = $(FUZZ_SUITE_LD_COMMON)
test_fuzz_net_permissions_LDFLAGS = $(RELDFLAGS) $(AM_LDFLAGS) $(LIBTOOL_APP_LDFLAGS)
test_fuzz_net_permissions_SOURCES = $(FUZZ_SUITE) test/fuzz/net_permissions.cpp
test_fuzz_netaddr_deserialize_CPPFLAGS = $(AM_CPPFLAGS) $(BITCOIN_INCLUDES) -DNETADDR_DESERIALIZE=1
test_fuzz_netaddr_deserialize_CXXFLAGS = $(AM_CXXFLAGS) $(PIE_FLAGS)
test_fuzz_netaddr_deserialize_LDADD = $(FUZZ_SUITE_LD_COMMON)

51
src/test/fuzz/net_permissions.cpp Normal file
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@ -0,0 +1,51 @@
// Copyright (c) 2020 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <net_permissions.h>
#include <optional.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cassert>
#include <cstdint>
#include <string>
#include <vector>
void test_one_input(const std::vector<uint8_t>& buffer)
{
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_ISIMPLICIT,
NetPermissionFlags::PF_ALL,
}) :
static_cast<NetPermissionFlags>(fuzzed_data_provider.ConsumeIntegral<uint32_t>());
NetWhitebindPermissions net_whitebind_permissions;
std::string error_net_whitebind_permissions;
if (NetWhitebindPermissions::TryParse(s, net_whitebind_permissions, error_net_whitebind_permissions)) {
(void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
(void)NetPermissions::AddFlag(net_whitebind_permissions.m_flags, net_permission_flags);
assert(NetPermissions::HasFlag(net_whitebind_permissions.m_flags, net_permission_flags));
(void)NetPermissions::ClearFlag(net_whitebind_permissions.m_flags, net_permission_flags);
(void)NetPermissions::ToStrings(net_whitebind_permissions.m_flags);
}
NetWhitelistPermissions net_whitelist_permissions;
std::string error_net_whitelist_permissions;
if (NetWhitelistPermissions::TryParse(s, net_whitelist_permissions, error_net_whitelist_permissions)) {
(void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
(void)NetPermissions::AddFlag(net_whitelist_permissions.m_flags, net_permission_flags);
assert(NetPermissions::HasFlag(net_whitelist_permissions.m_flags, net_permission_flags));
(void)NetPermissions::ClearFlag(net_whitelist_permissions.m_flags, net_permission_flags);
(void)NetPermissions::ToStrings(net_whitelist_permissions.m_flags);
}
}