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tests: Add fuzzing harness for functions in net_permissions.h

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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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51
src/test/fuzz/net_permissions.cpp Normal file
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// 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);
}
}