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Improve coverage for ObjectMapper fuzzer

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This commit is contained in:
Mikhail Khachayants 2025-01-04 22:38:21 +02:00
parent 151460d982
commit d48d9e34ae
1 changed files with 36 additions and 4 deletions
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40
fuzzers/oatpp/json/ObjectMapper.cpp
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@ -7,20 +7,52 @@ typedef oatpp::json::Deserializer Deserializer;
#include OATPP_CODEGEN_BEGIN(DTO)
class EmptyDto : public oatpp::DTO {
DTO_INIT(EmptyDto, DTO)
ENUM(TestEnum, v_int32,
VALUE(A, 1, "a"),
VALUE(B, 2, "b"),
VALUE(C, 2, "c")
)
class Empty : public oatpp::DTO {
DTO_INIT(Empty, DTO)
};
class Test1 : public oatpp::DTO {
DTO_INIT(Test1, DTO)
DTO_FIELD(String, strF);
DTO_FIELD(Int8, i8);
DTO_FIELD(UInt8, u8);
DTO_FIELD(Int16, i16);
DTO_FIELD(UInt16, u16);
DTO_FIELD(Int32, i32);
DTO_FIELD(UInt32, u32);
DTO_FIELD(Int64, i64);
DTO_FIELD(UInt64, u64);
DTO_FIELD(Float32, f32);
DTO_FIELD(Float64, f64);
DTO_FIELD(Boolean, b);
DTO_FIELD(String, s);
DTO_FIELD(Enum<TestEnum>, e);
DTO_FIELD(List<Float64>, l);
DTO_FIELD(Vector<Int8>, v);
DTO_FIELD(Fields<UInt32>, f);
DTO_FIELD(UnorderedFields<UInt8>, uf);
DTO_FIELD(UnorderedSet<Int64>, us);
DTO_FIELD(Object<Empty>, obj, "o");
DTO_FIELD(Any, a);
};
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
oatpp::String input(reinterpret_cast<const char*>(data), size);
oatpp::json::ObjectMapper mapper;
mapper.deserializerConfig().mapper.allowUnknownFields = size & 0x01;
mapper.deserializerConfig().mapper.allowLexicalCasting = size & 0x02;
mapper.deserializerConfig().mapper.useUnqualifiedFieldNames = size & 0x04;
mapper.deserializerConfig().mapper.useUnqualifiedEnumNames = size & 0x08;
try {
mapper.readFromString<oatpp::Object<Test1>>(input);
const auto dto = mapper.readFromString<oatpp::Object<Test1>>(input);
mapper.writeToString(dto);
} catch(...) {}
return 0;