tomato-testing/toxcore/DHT_fuzz_test.cc

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#include "DHT.h"
#include <cstdlib>
#include <vector>
#include "../testing/fuzzing/fuzz_support.h"
namespace {
void TestHandleRequest(Fuzz_Data &input)
{
CONSUME_OR_RETURN(const uint8_t *self_public_key, input, CRYPTO_PUBLIC_KEY_SIZE);
CONSUME_OR_RETURN(const uint8_t *self_secret_key, input, CRYPTO_SECRET_KEY_SIZE);
uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
uint8_t request[MAX_CRYPTO_REQUEST_SIZE];
uint8_t request_id;
handle_request(
self_public_key, self_secret_key, public_key, request, &request_id, input.data, input.size);
}
void TestUnpackNodes(Fuzz_Data &input)
{
CONSUME1_OR_RETURN(const bool tcp_enabled, input);
const uint16_t node_count = 5;
Node_format nodes[node_count];
uint16_t processed_data_len;
const int packed_count
= unpack_nodes(nodes, node_count, &processed_data_len, input.data, input.size, tcp_enabled);
if (packed_count > 0) {
Logger *logger = logger_new();
std::vector<uint8_t> packed(packed_count * PACKED_NODE_SIZE_IP6);
const int packed_size
= pack_nodes(logger, packed.data(), packed.size(), nodes, packed_count);
LOGGER_ASSERT(logger, packed_size == processed_data_len,
"packed size (%d) != unpacked size (%d)", packed_size, processed_data_len);
logger_kill(logger);
}
}
} // namespace
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
{
fuzz_select_target(data, size, TestHandleRequest, TestUnpackNodes);
return 0;
}