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producer_socket_fuzzer.cc
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producer_socket_fuzzer.cc
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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "perfetto/base/build_config.h"
#include "perfetto/ext/base/unix_socket.h"
#include "src/base/test/test_task_runner.h"
#include "test/test_helper.h"
namespace perfetto {
namespace socket_fuzz {
namespace {
class FakeEventListener : public base::UnixSocket::EventListener {
public:
FakeEventListener(const uint8_t* data,
size_t size,
std::function<void()> data_sent_callback)
: data_(data), size_(size), data_sent_(data_sent_callback) {}
void OnNewIncomingConnection(base::UnixSocket*,
std::unique_ptr<base::UnixSocket>) override {
PERFETTO_CHECK(false);
}
void OnConnect(base::UnixSocket* self, bool connected) override {
PERFETTO_CHECK(connected && self->is_connected());
self->Send(data_, size_, self->fd());
data_sent_();
}
void OnDisconnect(base::UnixSocket*) override { PERFETTO_CHECK(false); }
void OnDataAvailable(base::UnixSocket*) override { PERFETTO_CHECK(false); }
private:
const uint8_t* data_;
const size_t size_;
std::function<void()> data_sent_;
};
int FuzzSharedMemory(const uint8_t* data, size_t size) {
if (!data)
return 0;
base::TestTaskRunner task_runner;
TestHelper helper(&task_runner);
helper.StartServiceIfRequired();
FakeEventListener fake_event_listener(
data, size, task_runner.CreateCheckpoint("data_sent"));
std::unique_ptr<base::UnixSocket> sock = base::UnixSocket::Connect(
helper.GetDefaultModeProducerSocketName(), &fake_event_listener,
&task_runner, base::SockFamily::kUnix, base::SockType::kStream);
task_runner.RunUntilCheckpoint("data_sent");
return 0;
}
} // namespace
} // namespace socket_fuzz
} // namespace perfetto
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size);
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
return perfetto::socket_fuzz::FuzzSharedMemory(data, size);
}