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108 lines (82 loc) · 3.03 KB
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// Copyright 2004-present Facebook. All Rights Reserved.
#include <folly/String.h>
#include <folly/io/async/EventBaseManager.h>
#include <iostream>
#include <folly/init/Init.h>
#include <folly/portability/GFlags.h>
#include <glog/logging.h>
#include "rsocket/ConnectionAcceptor.h"
#include "rsocket/DuplexConnection.h"
#include "rsocket/RSocketServer.h"
struct FuzzerConnectionAcceptor : rsocket::ConnectionAcceptor {
void start(rsocket::OnDuplexConnectionAccept func_) override {
VLOG(1) << "FuzzerConnectionAcceptor::start()" << std::endl;
func = func_;
}
void stop() override {
VLOG(1) << "FuzzerConnectionAcceptor::stop()" << std::endl;
}
folly::Optional<uint16_t> listeningPort() const override {
return 0;
}
rsocket::OnDuplexConnectionAccept func;
};
struct FuzzerDuplexConnection : rsocket::DuplexConnection {
using Subscriber = rsocket::DuplexConnection::Subscriber;
using DuplexSubscriber = rsocket::DuplexConnection::DuplexSubscriber;
FuzzerDuplexConnection() {}
void setInput(yarpl::Reference<Subscriber> sub) override {
VLOG(1) << "FuzzerDuplexConnection::setInput()" << std::endl;
input_sub = sub;
}
void send(std::unique_ptr<folly::IOBuf> buf) override {
VLOG(1) << "FuzzerDuplexConnection::send(\""
<< folly::humanify(buf->moveToFbString()) << "\")" << std::endl;
}
yarpl::Reference<Subscriber> input_sub;
};
struct NoopSubscription : yarpl::flowable::Subscription {
void request(int64_t n) override {
VLOG(1) << "NoopSubscription::request(" << n << ")";
}
void cancel() override {
VLOG(1) << "NoopSubscription::cancel()";
}
};
struct NoopResponder : rsocket::RSocketResponder {};
std::string get_stdin() {
std::cin >> std::noskipws;
std::istream_iterator<char> it(std::cin);
std::istream_iterator<char> end;
std::string input(it, end);
return input;
}
int main(int argc, char* argv[]) {
folly::init(&argc, &argv);
FLAGS_logtostderr = 1;
folly::EventBase evb;
folly::EventBaseManager::get()->setEventBase(&evb, false);
auto feed_conn = std::make_unique<FuzzerDuplexConnection>();
auto acceptor = std::make_unique<FuzzerConnectionAcceptor>();
// grab references while we still own the duplex connection
auto& input_sub = feed_conn->input_sub;
auto& acceptor_func_ptr = acceptor->func;
rsocket::RSocketServer server(std::move(acceptor));
auto responder = std::make_shared<NoopResponder>();
server.start(
[responder](const rsocket::SetupParameters&) { return responder; });
CHECK(acceptor_func_ptr);
acceptor_func_ptr(std::move(feed_conn), evb);
evb.loopOnce();
CHECK(input_sub);
auto input_subscription = yarpl::make_ref<NoopSubscription>();
input_sub->onSubscribe(input_subscription);
std::string fuzz_input = get_stdin();
std::unique_ptr<folly::IOBuf> buf =
folly::IOBuf::wrapBuffer(fuzz_input.c_str(), fuzz_input.size());
VLOG(1) << "fuzz input: " << std::endl;
VLOG(1) << folly::humanify(buf->cloneAsValue().moveToFbString()) << std::endl;
input_sub->onNext(std::move(buf));
evb.loopOnce();
return 0;
}