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62 lines
2.1 KiB
C++
62 lines
2.1 KiB
C++
#include "DHT.h"
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#include <cassert>
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#include <cstdlib>
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#include <cstring>
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#include <vector>
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#include "../testing/fuzzing/fuzz_support.h"
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namespace {
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void TestHandleRequest(Fuzz_Data &input)
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{
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CONSUME_OR_RETURN(const uint8_t *self_public_key, input, CRYPTO_PUBLIC_KEY_SIZE);
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CONSUME_OR_RETURN(const uint8_t *self_secret_key, input, CRYPTO_SECRET_KEY_SIZE);
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uint8_t public_key[CRYPTO_PUBLIC_KEY_SIZE];
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uint8_t request[MAX_CRYPTO_REQUEST_SIZE];
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uint8_t request_id;
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handle_request(
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self_public_key, self_secret_key, public_key, request, &request_id, input.data, input.size);
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}
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void TestUnpackNodes(Fuzz_Data &input)
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{
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CONSUME1_OR_RETURN(const bool tcp_enabled, input);
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const uint16_t node_count = 5;
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Node_format nodes[node_count];
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uint16_t processed_data_len;
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const int packed_count
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= unpack_nodes(nodes, node_count, &processed_data_len, input.data, input.size, tcp_enabled);
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if (packed_count > 0) {
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Logger *logger = logger_new();
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std::vector<uint8_t> packed(packed_count * PACKED_NODE_SIZE_IP6);
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const int packed_size
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= pack_nodes(logger, packed.data(), packed.size(), nodes, packed_count);
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LOGGER_ASSERT(logger, packed_size == processed_data_len,
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"packed size (%d) != unpacked size (%d)", packed_size, processed_data_len);
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logger_kill(logger);
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// Check that packed nodes can be unpacked again and result in the
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// original unpacked nodes.
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Node_format nodes2[node_count];
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uint16_t processed_data_len2;
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const int packed_count2 = unpack_nodes(
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nodes2, node_count, &processed_data_len2, packed.data(), packed.size(), tcp_enabled);
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assert(processed_data_len2 == processed_data_len);
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assert(packed_count2 == packed_count);
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assert(memcmp(nodes, nodes2, sizeof(Node_format) * packed_count) == 0);
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}
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}
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} // namespace
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size);
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extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size)
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{
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fuzz_select_target(data, size, TestHandleRequest, TestUnpackNodes);
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return 0;
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}
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