425 lines
20 KiB
C++
425 lines
20 KiB
C++
/*
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* Copyright 2011 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include <memory>
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#include "webrtc/base/fakesslidentity.h"
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#include "webrtc/base/gunit.h"
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#include "webrtc/base/network.h"
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#include "webrtc/p2p/base/faketransportcontroller.h"
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#include "webrtc/p2p/base/p2ptransport.h"
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using cricket::Transport;
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using cricket::FakeTransport;
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using cricket::TransportChannel;
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using cricket::FakeTransportChannel;
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using cricket::IceRole;
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using cricket::TransportDescription;
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using rtc::SocketAddress;
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static const char kIceUfrag1[] = "TESTICEUFRAG0001";
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static const char kIcePwd1[] = "TESTICEPWD00000000000001";
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static const char kIceUfrag2[] = "TESTICEUFRAG0002";
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static const char kIcePwd2[] = "TESTICEPWD00000000000002";
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class TransportTest : public testing::Test,
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public sigslot::has_slots<> {
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public:
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TransportTest()
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: transport_(new FakeTransport("test content name")), channel_(NULL) {}
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~TransportTest() {
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transport_->DestroyAllChannels();
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}
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bool SetupChannel() {
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channel_ = CreateChannel(1);
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return (channel_ != NULL);
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}
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FakeTransportChannel* CreateChannel(int component) {
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return static_cast<FakeTransportChannel*>(
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transport_->CreateChannel(component));
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}
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void DestroyChannel() {
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transport_->DestroyChannel(1);
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channel_ = NULL;
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}
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protected:
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std::unique_ptr<FakeTransport> transport_;
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FakeTransportChannel* channel_;
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};
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// This test verifies channels are created with proper ICE
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// role, tiebreaker and remote ice mode and credentials after offer and
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// answer negotiations.
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TEST_F(TransportTest, TestChannelIceParameters) {
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLING);
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transport_->SetIceTiebreaker(99U);
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cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(local_desc,
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cricket::CA_OFFER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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EXPECT_TRUE(SetupChannel());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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EXPECT_EQ(cricket::ICEMODE_FULL, channel_->remote_ice_mode());
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EXPECT_EQ(kIceUfrag1, channel_->ice_ufrag());
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EXPECT_EQ(kIcePwd1, channel_->ice_pwd());
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cricket::TransportDescription remote_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(remote_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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EXPECT_EQ(99U, channel_->IceTiebreaker());
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EXPECT_EQ(cricket::ICEMODE_FULL, channel_->remote_ice_mode());
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// Changing the transport role from CONTROLLING to CONTROLLED.
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLED);
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EXPECT_EQ(cricket::ICEROLE_CONTROLLED, channel_->GetIceRole());
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EXPECT_EQ(cricket::ICEMODE_FULL, channel_->remote_ice_mode());
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EXPECT_EQ(kIceUfrag1, channel_->remote_ice_ufrag());
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EXPECT_EQ(kIcePwd1, channel_->remote_ice_pwd());
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}
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// Verifies that IceCredentialsChanged returns true when either ufrag or pwd
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// changed, and false in other cases.
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TEST_F(TransportTest, TestIceCredentialsChanged) {
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EXPECT_TRUE(cricket::IceCredentialsChanged("u1", "p1", "u2", "p2"));
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EXPECT_TRUE(cricket::IceCredentialsChanged("u1", "p1", "u2", "p1"));
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EXPECT_TRUE(cricket::IceCredentialsChanged("u1", "p1", "u1", "p2"));
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EXPECT_FALSE(cricket::IceCredentialsChanged("u1", "p1", "u1", "p1"));
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}
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// This test verifies that the callee's ICE role remains the same when the
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// callee triggers an ICE restart.
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//
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// RFC5245 currently says that the role *should* change on an ICE restart,
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// but this rule was intended for an ICE restart that occurs when an endpoint
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// is changing to ICE lite (which we already handle). See discussion here:
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// https://mailarchive.ietf.org/arch/msg/ice/C0_QRCTNcwtvUF12y28jQicPR10
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TEST_F(TransportTest, TestIceControlledToControllingOnIceRestart) {
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EXPECT_TRUE(SetupChannel());
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLED);
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cricket::TransportDescription desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(desc,
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cricket::CA_OFFER,
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NULL));
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ASSERT_TRUE(transport_->SetLocalTransportDescription(desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLED, transport_->ice_role());
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cricket::TransportDescription new_local_desc(kIceUfrag2, kIcePwd2);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(new_local_desc,
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cricket::CA_OFFER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLED, transport_->ice_role());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLED, channel_->GetIceRole());
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}
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// This test verifies that the caller's ICE role remains the same when the
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// callee triggers an ICE restart.
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//
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// RFC5245 currently says that the role *should* change on an ICE restart,
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// but this rule was intended for an ICE restart that occurs when an endpoint
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// is changing to ICE lite (which we already handle). See discussion here:
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// https://mailarchive.ietf.org/arch/msg/ice/C0_QRCTNcwtvUF12y28jQicPR10
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TEST_F(TransportTest, TestIceControllingToControlledOnIceRestart) {
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EXPECT_TRUE(SetupChannel());
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLING);
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cricket::TransportDescription desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(desc,
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cricket::CA_OFFER,
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NULL));
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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cricket::TransportDescription new_local_desc(kIceUfrag2, kIcePwd2);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(new_local_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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}
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// This test verifies that the caller's ICE role is still controlling after the
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// callee triggers ICE restart if the callee's ICE mode is LITE.
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TEST_F(TransportTest, TestIceControllingOnIceRestartIfRemoteIsIceLite) {
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EXPECT_TRUE(SetupChannel());
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLING);
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cricket::TransportDescription desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(desc,
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cricket::CA_OFFER,
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NULL));
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cricket::TransportDescription remote_desc(
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std::vector<std::string>(), kIceUfrag1, kIcePwd1, cricket::ICEMODE_LITE,
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cricket::CONNECTIONROLE_NONE, NULL);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(remote_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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cricket::TransportDescription new_local_desc(kIceUfrag2, kIcePwd2);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(new_local_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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}
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// Tests channel role is reversed after receiving ice-lite from remote.
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TEST_F(TransportTest, TestSetRemoteIceLiteInOffer) {
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLED);
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cricket::TransportDescription remote_desc(
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std::vector<std::string>(), kIceUfrag1, kIcePwd1, cricket::ICEMODE_LITE,
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cricket::CONNECTIONROLE_ACTPASS, NULL);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(remote_desc,
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cricket::CA_OFFER,
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NULL));
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cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(local_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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EXPECT_TRUE(SetupChannel());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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EXPECT_EQ(cricket::ICEMODE_LITE, channel_->remote_ice_mode());
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}
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// Tests ice-lite in remote answer.
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TEST_F(TransportTest, TestSetRemoteIceLiteInAnswer) {
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transport_->SetIceRole(cricket::ICEROLE_CONTROLLING);
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cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(local_desc,
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cricket::CA_OFFER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, transport_->ice_role());
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EXPECT_TRUE(SetupChannel());
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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// Channels will be created in ICEFULL_MODE.
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EXPECT_EQ(cricket::ICEMODE_FULL, channel_->remote_ice_mode());
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cricket::TransportDescription remote_desc(
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std::vector<std::string>(), kIceUfrag1, kIcePwd1, cricket::ICEMODE_LITE,
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cricket::CONNECTIONROLE_NONE, NULL);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(remote_desc,
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cricket::CA_ANSWER,
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NULL));
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EXPECT_EQ(cricket::ICEROLE_CONTROLLING, channel_->GetIceRole());
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// After receiving remote description with ICEMODE_LITE, channel should
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// have mode set to ICEMODE_LITE.
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EXPECT_EQ(cricket::ICEMODE_LITE, channel_->remote_ice_mode());
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}
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TEST_F(TransportTest, TestGetStats) {
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EXPECT_TRUE(SetupChannel());
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cricket::TransportStats stats;
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EXPECT_TRUE(transport_->GetStats(&stats));
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// Note that this tests the behavior of a FakeTransportChannel.
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ASSERT_EQ(1U, stats.channel_stats.size());
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EXPECT_EQ(1, stats.channel_stats[0].component);
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// Set local transport description for FakeTransport before connecting.
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TransportDescription faketransport_desc(
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std::vector<std::string>(),
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rtc::CreateRandomString(cricket::ICE_UFRAG_LENGTH),
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rtc::CreateRandomString(cricket::ICE_PWD_LENGTH), cricket::ICEMODE_FULL,
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cricket::CONNECTIONROLE_NONE, nullptr);
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transport_->SetLocalTransportDescription(faketransport_desc,
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cricket::CA_OFFER, nullptr);
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transport_->ConnectChannels();
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EXPECT_TRUE(transport_->GetStats(&stats));
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ASSERT_EQ(1U, stats.channel_stats.size());
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EXPECT_EQ(1, stats.channel_stats[0].component);
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}
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// Tests that VerifyCertificateFingerprint only returns true when the
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// certificate matches the fingerprint.
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TEST_F(TransportTest, TestVerifyCertificateFingerprint) {
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std::string error_desc;
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EXPECT_FALSE(
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transport_->VerifyCertificateFingerprint(nullptr, nullptr, &error_desc));
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rtc::KeyType key_types[] = {rtc::KT_RSA, rtc::KT_ECDSA};
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for (auto& key_type : key_types) {
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rtc::scoped_refptr<rtc::RTCCertificate> certificate =
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rtc::RTCCertificate::Create(std::unique_ptr<rtc::SSLIdentity>(
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rtc::SSLIdentity::Generate("testing", key_type)));
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ASSERT_NE(nullptr, certificate);
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std::string digest_algorithm;
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ASSERT_TRUE(certificate->ssl_certificate().GetSignatureDigestAlgorithm(
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&digest_algorithm));
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ASSERT_FALSE(digest_algorithm.empty());
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std::unique_ptr<rtc::SSLFingerprint> good_fingerprint(
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rtc::SSLFingerprint::Create(digest_algorithm, certificate->identity()));
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ASSERT_NE(nullptr, good_fingerprint);
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EXPECT_TRUE(transport_->VerifyCertificateFingerprint(
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certificate.get(), good_fingerprint.get(), &error_desc));
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EXPECT_FALSE(transport_->VerifyCertificateFingerprint(
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certificate.get(), nullptr, &error_desc));
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EXPECT_FALSE(transport_->VerifyCertificateFingerprint(
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nullptr, good_fingerprint.get(), &error_desc));
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rtc::SSLFingerprint bad_fingerprint = *good_fingerprint;
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bad_fingerprint.digest.AppendData("0", 1);
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EXPECT_FALSE(transport_->VerifyCertificateFingerprint(
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certificate.get(), &bad_fingerprint, &error_desc));
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}
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}
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// Tests that NegotiateRole sets the SSL role correctly.
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TEST_F(TransportTest, TestNegotiateRole) {
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TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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TransportDescription remote_desc(kIceUfrag2, kIcePwd2);
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struct NegotiateRoleParams {
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cricket::ConnectionRole local_role;
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cricket::ConnectionRole remote_role;
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cricket::ContentAction local_action;
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cricket::ContentAction remote_action;
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};
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rtc::SSLRole ssl_role;
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std::string error_desc;
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// Parameters which set the SSL role to SSL_CLIENT.
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NegotiateRoleParams valid_client_params[] = {
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER}};
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for (auto& param : valid_client_params) {
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local_desc.connection_role = param.local_role;
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remote_desc.connection_role = param.remote_role;
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_TRUE(
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transport_->NegotiateRole(param.local_action, &ssl_role, &error_desc));
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EXPECT_EQ(rtc::SSL_CLIENT, ssl_role);
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}
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// Parameters which set the SSL role to SSL_SERVER.
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NegotiateRoleParams valid_server_params[] = {
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER}};
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for (auto& param : valid_server_params) {
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local_desc.connection_role = param.local_role;
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remote_desc.connection_role = param.remote_role;
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_TRUE(
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transport_->NegotiateRole(param.local_action, &ssl_role, &error_desc));
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EXPECT_EQ(rtc::SSL_SERVER, ssl_role);
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}
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// Invalid parameters due to both peers having a duplicate role.
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NegotiateRoleParams duplicate_params[] = {
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_OFFER, cricket::CA_PRANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER}};
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for (auto& param : duplicate_params) {
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local_desc.connection_role = param.local_role;
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remote_desc.connection_role = param.remote_role;
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_FALSE(
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transport_->NegotiateRole(param.local_action, &ssl_role, &error_desc));
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}
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// Invalid parameters due to the offerer not using ACTPASS.
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NegotiateRoleParams offerer_without_actpass_params[] = {
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_ANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTPASS, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_PRANSWER, cricket::CA_OFFER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_PASSIVE,
|
|
cricket::CA_OFFER, cricket::CA_ANSWER},
|
|
{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
|
|
cricket::CA_OFFER, cricket::CA_ANSWER},
|
|
{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
|
|
cricket::CA_OFFER, cricket::CA_ANSWER},
|
|
{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_PASSIVE,
|
|
cricket::CA_OFFER, cricket::CA_PRANSWER},
|
|
{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
|
|
cricket::CA_OFFER, cricket::CA_PRANSWER},
|
|
{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
|
|
cricket::CA_OFFER, cricket::CA_PRANSWER}};
|
|
|
|
for (auto& param : offerer_without_actpass_params) {
|
|
local_desc.connection_role = param.local_role;
|
|
remote_desc.connection_role = param.remote_role;
|
|
|
|
ASSERT_TRUE(transport_->SetRemoteTransportDescription(
|
|
remote_desc, param.remote_action, nullptr));
|
|
ASSERT_TRUE(transport_->SetLocalTransportDescription(
|
|
local_desc, param.local_action, nullptr));
|
|
EXPECT_FALSE(
|
|
transport_->NegotiateRole(param.local_action, &ssl_role, &error_desc));
|
|
}
|
|
}
|