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tests: Add ConsumeSubNet(...). Move and increase coverage in ConsumeNetAddr(...).

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This commit is contained in:
practicalswift 2020-06-09 09:45:39 +00:00
parent abdfd2d0e3
commit deba199f1c
2 changed files with 29 additions and 29 deletions
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30
src/test/fuzz/netaddress.cpp
View file

@ -5,41 +5,13 @@
#include <netaddress.h>
#include <test/fuzz/FuzzedDataProvider.h>
#include <test/fuzz/fuzz.h>
#include <test/fuzz/util.h>
#include <cassert>
#include <cstdint>
#include <netinet/in.h>
#include <vector>
namespace {
CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcept
{
const Network network = fuzzed_data_provider.PickValueInArray({Network::NET_IPV4, Network::NET_IPV6, Network::NET_INTERNAL, Network::NET_ONION});
if (network == Network::NET_IPV4) {
const in_addr v4_addr = {
.s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
return CNetAddr{v4_addr};
} else if (network == Network::NET_IPV6) {
if (fuzzed_data_provider.remaining_bytes() < 16) {
return CNetAddr{};
}
in6_addr v6_addr = {};
memcpy(v6_addr.s6_addr, fuzzed_data_provider.ConsumeBytes<uint8_t>(16).data(), 16);
return CNetAddr{v6_addr, fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
} else if (network == Network::NET_INTERNAL) {
CNetAddr net_addr;
net_addr.SetInternal(fuzzed_data_provider.ConsumeBytesAsString(32));
return net_addr;
} else if (network == Network::NET_ONION) {
CNetAddr net_addr;
net_addr.SetSpecial(fuzzed_data_provider.ConsumeBytesAsString(32));
return net_addr;
} else {
assert(false);
}
}
}; // namespace
void test_one_input(const std::vector<uint8_t>& buffer)
{
FuzzedDataProvider fuzzed_data_provider(buffer.data(), buffer.size());

28
src/test/fuzz/util.h
View file

@ -10,6 +10,7 @@
#include <attributes.h>
#include <coins.h>
#include <consensus/consensus.h>
#include <netaddress.h>
#include <primitives/transaction.h>
#include <script/script.h>
#include <script/standard.h>
@ -228,4 +229,31 @@ NODISCARD inline std::vector<uint8_t> ConsumeFixedLengthByteVector(FuzzedDataPro
return result;
}
CNetAddr ConsumeNetAddr(FuzzedDataProvider& fuzzed_data_provider) noexcept
{
const Network network = fuzzed_data_provider.PickValueInArray({Network::NET_IPV4, Network::NET_IPV6, Network::NET_INTERNAL, Network::NET_ONION});
CNetAddr net_addr;
if (network == Network::NET_IPV4) {
const in_addr v4_addr = {
.s_addr = fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
net_addr = CNetAddr{v4_addr};
} else if (network == Network::NET_IPV6) {
if (fuzzed_data_provider.remaining_bytes() >= 16) {
in6_addr v6_addr = {};
memcpy(v6_addr.s6_addr, fuzzed_data_provider.ConsumeBytes<uint8_t>(16).data(), 16);
net_addr = CNetAddr{v6_addr, fuzzed_data_provider.ConsumeIntegral<uint32_t>()};
}
} else if (network == Network::NET_INTERNAL) {
net_addr.SetInternal(fuzzed_data_provider.ConsumeBytesAsString(32));
} else if (network == Network::NET_ONION) {
net_addr.SetSpecial(fuzzed_data_provider.ConsumeBytesAsString(32));
}
return net_addr;
}
CSubNet ConsumeSubNet(FuzzedDataProvider& fuzzed_data_provider) noexcept
{
return {ConsumeNetAddr(fuzzed_data_provider), fuzzed_data_provider.ConsumeIntegral<int32_t>()};
}
#endif // BITCOIN_TEST_FUZZ_UTIL_H