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