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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 "cert.h"
#include "nss.h"
class NSSDatabase {
public:
NSSDatabase() { NSS_NoDB_Init(nullptr); }
~NSSDatabase() { NSS_Shutdown(); }
};
void QuickDERDecode(void *dst, const SEC_ASN1Template *tpl, const uint8_t *buf,
size_t len) {
PORTCheapArenaPool pool;
SECItem data = {siBuffer, const_cast<unsigned char *>(buf),
static_cast<unsigned int>(len)};
PORT_InitCheapArena(&pool, DER_DEFAULT_CHUNKSIZE);
(void)SEC_QuickDERDecodeItem(&pool.arena, dst, tpl, &data);
PORT_DestroyCheapArena(&pool);
}
size_t CustomMutate(std::vector<decltype(LLVMFuzzerCustomMutator) *> mutators,
uint8_t *Data, size_t Size, size_t MaxSize,
unsigned int Seed) {
fuzzer::Random R(Seed);
if (R.RandBool()) {
auto idx = R(mutators.size());
return mutators.at(idx)(Data, Size, MaxSize, Seed);
}
return LLVMFuzzerMutate(Data, Size, MaxSize);
}
#define ADD_CUSTOM_MUTATORS(...) \
extern "C" size_t LLVMFuzzerCustomMutator( \
uint8_t *Data, size_t Size, size_t MaxSize, unsigned int Seed) { \
return CustomMutate(__VA_ARGS__, Data, Size, MaxSize, Seed); \
}
#endif // shared_h__
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