#include "FuzzerInterface.h"
namespace fuzzer {
-typedef std::vector<uint8_t> Unit;
using namespace std::chrono;
std::string FileToString(const std::string &Path);
void Printf(const char *Fmt, ...);
void Print(const Unit &U, const char *PrintAfter = "");
+void PrintASCII(const uint8_t *Data, size_t Size, const char *PrintAfter = "");
void PrintASCII(const Unit &U, const char *PrintAfter = "");
std::string Hash(const Unit &U);
void SetTimer(int Seconds);
-void PrintFileAsBase64(const std::string &Path);
-void ExecuteCommand(const std::string &Command);
+std::string Base64(const Unit &U);
+int ExecuteCommand(const std::string &Command);
// Private copy of SHA1 implementation.
static const int kSHA1NumBytes = 20;
int MutateDepth = 5;
bool ExitOnFirst = false;
bool UseCounters = false;
+ bool UseIndirCalls = true;
bool UseTraces = false;
bool UseFullCoverageSet = false;
bool Reload = true;
int SyncTimeout = 600;
int ReportSlowUnits = 10;
bool OnlyASCII = false;
- int TBMDepth = 10;
- int TBMWidth = 10;
std::string OutputCorpus;
std::string SyncCommand;
std::string ArtifactPrefix = "./";
- std::vector<Unit> Dictionary;
+ std::string ExactArtifactPath;
bool SaveArtifacts = true;
+ bool PrintNEW = true; // Print a status line when new units are found;
+ bool OutputCSV = false;
+ bool PrintNewCovPcs = false;
};
Fuzzer(UserSuppliedFuzzer &USF, FuzzingOptions Options);
void AddToCorpus(const Unit &U) { Corpus.push_back(U); }
+ size_t ChooseUnitIdxToMutate();
+ const Unit &ChooseUnitToMutate() { return Corpus[ChooseUnitIdxToMutate()]; };
void Loop();
+ void Drill();
void ShuffleAndMinimize();
void InitializeTraceState();
size_t CorpusSize() const { return Corpus.size(); }
void ReadDir(const std::string &Path, long *Epoch) {
+ Printf("Loading corpus: %s\n", Path.c_str());
ReadDirToVectorOfUnits(Path.c_str(), &Corpus, Epoch);
}
void RereadOutputCorpus();
void ExecuteCallback(const Unit &U);
+ // Merge Corpora[1:] into Corpora[0].
+ void Merge(const std::vector<std::string> &Corpora);
+
private:
void AlarmCallback();
- void MutateAndTestOne(Unit *U);
+ void MutateAndTestOne();
void ReportNewCoverage(const Unit &U);
bool RunOne(const Unit &U);
void RunOneAndUpdateCorpus(Unit &U);
void WriteToOutputCorpus(const Unit &U);
void WriteUnitToFileWithPrefix(const Unit &U, const char *Prefix);
void PrintStats(const char *Where, const char *End = "\n");
+ void PrintStatusForNewUnit(const Unit &U);
void PrintUnitInASCII(const Unit &U, const char *PrintAfter = "");
void SyncCorpus();
size_t RecordBlockCoverage();
+ size_t RecordCallerCalleeCoverage();
void PrepareCoverageBeforeRun();
bool CheckCoverageAfterRun();
// Start tracing; forget all previously proposed mutations.
void StartTraceRecording();
- // Stop tracing and return the number of proposed mutations.
- size_t StopTraceRecording();
- // Apply Idx-th trace-based mutation to U.
- void ApplyTraceBasedMutation(size_t Idx, Unit *U);
+ // Stop tracing.
+ void StopTraceRecording();
void SetDeathCallback();
static void StaticDeathCallback();
long TimeOfLongestUnitInSeconds = 0;
long EpochOfLastReadOfOutputCorpus = 0;
size_t LastRecordedBlockCoverage = 0;
+ size_t LastRecordedCallerCalleeCoverage = 0;
+ size_t LastCoveragePcBufferLen = 0;
};
class SimpleUserSuppliedFuzzer: public UserSuppliedFuzzer {
SimpleUserSuppliedFuzzer(FuzzerRandomBase *Rand, UserCallback Callback)
: UserSuppliedFuzzer(Rand), Callback(Callback) {}
- SimpleUserSuppliedFuzzer(FuzzerRandomBase *Rand, DeprecatedUserCallback Callback)
- : UserSuppliedFuzzer(Rand), DeprecatedCallback(Callback) {}
-
virtual int TargetFunction(const uint8_t *Data, size_t Size) override {
- if (Callback) return Callback(Data, Size);
- DeprecatedCallback(Data, Size);
- return 0;
+ return Callback(Data, Size);
}
private:
- DeprecatedUserCallback DeprecatedCallback = nullptr;
UserCallback Callback = nullptr;
};