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/* 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
#include <cstddef>
#include <cstdint>
#include <memory>
#include "cert.h"
#include "seccomon.h"
#include "asn1_mutators.h"
#include "shared.h"
static SECStatus importFunc(void *arg, SECItem **certs, int numCerts) {
// This way we check that the callback gets called with the correct
// `numCerts`, as an invalid value potentially causes `certs` to go
// out-of-bounds. Testing `CERT_Hexify` is a nice bonus.
while (numCerts--) {
char *hex = CERT_Hexify(*certs, false);
free(hex);
certs++;
}
return SECSuccess;
}
extern "C" int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
static std::unique_ptr<NSSDatabase> db(new NSSDatabase());
CERT_DecodeCertPackage((char *)data, (int)size, importFunc, nullptr);
return 0;
}
extern "C" size_t LLVMFuzzerCustomMutator(uint8_t *data, size_t size,
size_t maxSize, unsigned int seed) {
return CustomMutate(
Mutators({ASN1Mutators::FlipConstructed, ASN1Mutators::ChangeType}), data,
size, maxSize, seed);
}