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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this file,
* You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef shared_h__
#define shared_h__
#include <assert.h>
#include <random>
#include "cert.h"
#include "nss.h"
extern "C" size_t LLVMFuzzerMutate(uint8_t *Data, size_t Size, size_t MaxSize);
extern "C" size_t LLVMFuzzerCustomMutator(uint8_t *Data, size_t Size,
size_t MaxSize, unsigned int Seed);
class NSSDatabase {
public:
NSSDatabase() { assert(NSS_NoDB_Init(nullptr) == SECSuccess); }
~NSSDatabase() { assert(NSS_Shutdown() == SECSuccess); }
};
typedef std::vector<decltype(LLVMFuzzerCustomMutator) *> Mutators;
size_t CustomMutate(Mutators &mutators, uint8_t *Data, size_t Size,
size_t MaxSize, unsigned int Seed) {
std::mt19937 rng(Seed);
static std::bernoulli_distribution bdist;
if (bdist(rng)) {
std::uniform_int_distribution<size_t> idist(0, mutators.size() - 1);
return mutators.at(idist(rng))(Data, Size, MaxSize, Seed);
}
return LLVMFuzzerMutate(Data, Size, MaxSize);
}
#endif // shared_h__
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