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/*
* Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#include <stddef.h>
#include <stdint.h>
#include <memory>
#include <string>
#include <utility>
#include "absl/strings/string_view.h"
#include "api/jsep.h"
#include "api/make_ref_counted.h"
#include "api/peer_connection_interface.h"
#include "api/test/rtc_error_matchers.h"
#include "pc/test/integration_test_helpers.h"
#include "pc/test/mock_peer_connection_observers.h"
#include "rtc_base/checks.h"
#include "test/gmock.h"
#include "test/wait_until.h"
namespace webrtc {
class FuzzerTest : public PeerConnectionIntegrationBaseTest {
public:
FuzzerTest()
: PeerConnectionIntegrationBaseTest(SdpSemantics::kUnifiedPlan) {}
void RunNegotiateCycle(absl::string_view message) {
CreatePeerConnectionWrappers();
// Note - we do not do test.ConnectFakeSignaling(); all signals
// generated are discarded.
auto srd_observer =
webrtc::make_ref_counted<FakeSetRemoteDescriptionObserver>();
SdpParseError error;
std::unique_ptr<SessionDescriptionInterface> sdp =
CreateSessionDescription(SdpType::kOffer, std::string(message), &error);
caller()->pc()->SetRemoteDescription(std::move(sdp), srd_observer);
// Wait a short time for observer to be called. Timeout is short
// because the fuzzer should be trying many branches.
EXPECT_THAT(
WaitUntil([&] { return srd_observer->called(); }, ::testing::IsTrue()),
IsRtcOk());
// If set-remote-description was successful, try to answer.
auto sld_observer =
webrtc::make_ref_counted<FakeSetLocalDescriptionObserver>();
if (srd_observer->error().ok()) {
caller()->pc()->SetLocalDescription(sld_observer);
EXPECT_THAT(WaitUntil([&] { return sld_observer->called(); },
::testing::IsTrue()),
IsRtcOk());
}
// If there is an EXPECT failure, die here.
RTC_CHECK(!HasFailure());
}
// This test isn't using the test definition macros, so we have to
// define the TestBody() function, even though we don't need it.
void TestBody() override {}
};
void FuzzOneInput(const uint8_t* data, size_t size) {
if (size > 16384) {
return;
}
FuzzerTest test;
test.RunNegotiateCycle(
absl::string_view(reinterpret_cast<const char*>(data), size));
}
} // namespace webrtc
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