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Diffstat (limited to 'src/test/fuzz/netaddress.cpp')
-rw-r--r--src/test/fuzz/netaddress.cpp123
1 files changed, 123 insertions, 0 deletions
diff --git a/src/test/fuzz/netaddress.cpp b/src/test/fuzz/netaddress.cpp
new file mode 100644
index 0000000000..7d87ebc214
--- /dev/null
+++ b/src/test/fuzz/netaddress.cpp
@@ -0,0 +1,123 @@
+// 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 <netaddress.h>
+#include <test/fuzz/FuzzedDataProvider.h>
+#include <test/fuzz/fuzz.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());
+
+ const CNetAddr net_addr = ConsumeNetAddr(fuzzed_data_provider);
+ for (int i = 0; i < 15; ++i) {
+ (void)net_addr.GetByte(i);
+ }
+ (void)net_addr.GetHash();
+ (void)net_addr.GetNetClass();
+ if (net_addr.GetNetwork() == Network::NET_IPV4) {
+ assert(net_addr.IsIPv4());
+ }
+ if (net_addr.GetNetwork() == Network::NET_IPV6) {
+ assert(net_addr.IsIPv6());
+ }
+ if (net_addr.GetNetwork() == Network::NET_ONION) {
+ assert(net_addr.IsTor());
+ }
+ if (net_addr.GetNetwork() == Network::NET_INTERNAL) {
+ assert(net_addr.IsInternal());
+ }
+ if (net_addr.GetNetwork() == Network::NET_UNROUTABLE) {
+ assert(!net_addr.IsRoutable());
+ }
+ (void)net_addr.IsBindAny();
+ if (net_addr.IsInternal()) {
+ assert(net_addr.GetNetwork() == Network::NET_INTERNAL);
+ }
+ if (net_addr.IsIPv4()) {
+ assert(net_addr.GetNetwork() == Network::NET_IPV4 || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
+ }
+ if (net_addr.IsIPv6()) {
+ assert(net_addr.GetNetwork() == Network::NET_IPV6 || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
+ }
+ (void)net_addr.IsLocal();
+ if (net_addr.IsRFC1918() || net_addr.IsRFC2544() || net_addr.IsRFC6598() || net_addr.IsRFC5737() || net_addr.IsRFC3927()) {
+ assert(net_addr.IsIPv4());
+ }
+ (void)net_addr.IsRFC2544();
+ if (net_addr.IsRFC3849() || net_addr.IsRFC3964() || net_addr.IsRFC4380() || net_addr.IsRFC4843() || net_addr.IsRFC7343() || net_addr.IsRFC4862() || net_addr.IsRFC6052() || net_addr.IsRFC6145()) {
+ assert(net_addr.IsIPv6());
+ }
+ (void)net_addr.IsRFC3927();
+ (void)net_addr.IsRFC3964();
+ if (net_addr.IsRFC4193()) {
+ assert(net_addr.GetNetwork() == Network::NET_ONION || net_addr.GetNetwork() == Network::NET_INTERNAL || net_addr.GetNetwork() == Network::NET_UNROUTABLE);
+ }
+ (void)net_addr.IsRFC4380();
+ (void)net_addr.IsRFC4843();
+ (void)net_addr.IsRFC4862();
+ (void)net_addr.IsRFC5737();
+ (void)net_addr.IsRFC6052();
+ (void)net_addr.IsRFC6145();
+ (void)net_addr.IsRFC6598();
+ (void)net_addr.IsRFC7343();
+ if (!net_addr.IsRoutable()) {
+ assert(net_addr.GetNetwork() == Network::NET_UNROUTABLE || net_addr.GetNetwork() == Network::NET_INTERNAL);
+ }
+ if (net_addr.IsTor()) {
+ assert(net_addr.GetNetwork() == Network::NET_ONION);
+ }
+ (void)net_addr.IsValid();
+ (void)net_addr.ToString();
+ (void)net_addr.ToStringIP();
+
+ const CSubNet sub_net{net_addr, fuzzed_data_provider.ConsumeIntegral<int32_t>()};
+ (void)sub_net.IsValid();
+ (void)sub_net.ToString();
+
+ const CService service{net_addr, fuzzed_data_provider.ConsumeIntegral<uint16_t>()};
+ (void)service.GetKey();
+ (void)service.GetPort();
+ (void)service.ToString();
+ (void)service.ToStringIPPort();
+ (void)service.ToStringPort();
+
+ const CNetAddr other_net_addr = ConsumeNetAddr(fuzzed_data_provider);
+ (void)net_addr.GetReachabilityFrom(&other_net_addr);
+ (void)sub_net.Match(other_net_addr);
+}