#ifndef LLVM_FUZZER_INTERFACE_H
#define LLVM_FUZZER_INTERFACE_H
+#include <limits>
#include <cstddef>
#include <cstdint>
#include <vector>
#include <string>
namespace fuzzer {
+typedef std::vector<uint8_t> Unit;
/// Returns an int 0. Values other than zero are reserved for future.
typedef int (*UserCallback)(const uint8_t *Data, size_t Size);
/// Mutates data by chanding one bit.
size_t Mutate_ChangeBit(uint8_t *Data, size_t Size, size_t MaxSize);
- /// Mutates data by adding a word from the dictionary.
- size_t Mutate_AddWordFromDictionary(uint8_t *Data, size_t Size,
- size_t MaxSize);
+ /// Mutates data by adding a word from the manual dictionary.
+ size_t Mutate_AddWordFromManualDictionary(uint8_t *Data, size_t Size,
+ size_t MaxSize);
+ /// Mutates data by adding a word from the automatic dictionary.
+ size_t Mutate_AddWordFromAutoDictionary(uint8_t *Data, size_t Size,
+ size_t MaxSize);
+
+ /// Tries to find an ASCII integer in Data, changes it to another ASCII int.
size_t Mutate_ChangeASCIIInteger(uint8_t *Data, size_t Size, size_t MaxSize);
+ /// CrossOver Data with some other element of the corpus.
+ size_t Mutate_CrossOver(uint8_t *Data, size_t Size, size_t MaxSize);
+
/// Applies one of the above mutations.
/// Returns the new size of data which could be up to MaxSize.
size_t Mutate(uint8_t *Data, size_t Size, size_t MaxSize);
size_t CrossOver(const uint8_t *Data1, size_t Size1, const uint8_t *Data2,
size_t Size2, uint8_t *Out, size_t MaxOutSize);
- void AddWordToDictionary(const uint8_t *Word, size_t Size);
+ void AddWordToManualDictionary(const Unit &Word);
+
+ void AddWordToAutoDictionary(const Unit &Word, size_t PositionHint);
+ void ClearAutoDictionary();
+
+ void SetCorpus(const std::vector<Unit> *Corpus);
private:
FuzzerRandomBase &Rand;
virtual int TargetFunction(const uint8_t *Data, size_t Size) = 0;
virtual void StartMutationSequence() { MD.StartMutationSequence(); }
virtual void PrintMutationSequence() { MD.PrintMutationSequence(); }
+ virtual void SetCorpus(const std::vector<Unit> *Corpus) {
+ MD.SetCorpus(Corpus);
+ }
/// Mutates 'Size' bytes of data in 'Data' inplace into up to 'MaxSize' bytes,
/// returns the new size of the data, which should be positive.
virtual size_t Mutate(uint8_t *Data, size_t Size, size_t MaxSize) {