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92ea95e34a
In https://webrtc-review.googlesource.com/c/src/+/1560 we moved WebRTC from src/webrtc to src/ (in order to preserve an healthy git history). This CL takes care of fixing header guards, #include paths, etc... NOPRESUBMIT=true NOTREECHECKS=true NOTRY=true TBR=tommi@webrtc.org Bug: chromium:611808 Change-Id: Iea91618212bee0af16aa3f05071eab8f93706578 Reviewed-on: https://webrtc-review.googlesource.com/1561 Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org> Reviewed-by: Henrik Kjellander <kjellander@webrtc.org> Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org> Cr-Commit-Position: refs/heads/master@{#19846}
452 lines
20 KiB
C++
452 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 "p2p/base/fakedtlstransport.h"
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#include "p2p/base/fakeicetransport.h"
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#include "rtc_base/fakesslidentity.h"
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#include "rtc_base/gunit.h"
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#include "rtc_base/network.h"
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using cricket::JsepTransport;
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using cricket::TransportChannel;
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using cricket::FakeDtlsTransport;
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using cricket::FakeIceTransport;
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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 JsepTransportTest : public testing::Test, public sigslot::has_slots<> {
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public:
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JsepTransportTest() { RecreateTransport(); }
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bool SetupChannel() {
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fake_ice_transport_.reset(new FakeIceTransport(transport_->mid(), 1));
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fake_dtls_transport_.reset(
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new FakeDtlsTransport(fake_ice_transport_.get()));
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return transport_->AddChannel(fake_dtls_transport_.get(), 1);
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}
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void DestroyChannel() { transport_->RemoveChannel(1); }
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void RecreateTransport() {
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transport_.reset(new JsepTransport("test content name", nullptr));
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}
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protected:
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std::unique_ptr<FakeDtlsTransport> fake_dtls_transport_;
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std::unique_ptr<FakeIceTransport> fake_ice_transport_;
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std::unique_ptr<JsepTransport> transport_;
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};
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// This test verifies channels are created with proper ICE
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// ufrag/password after a transport description is applied.
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TEST_F(JsepTransportTest, TestChannelIceParameters) {
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cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, cricket::CA_OFFER, NULL));
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EXPECT_TRUE(SetupChannel());
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EXPECT_EQ(cricket::ICEMODE_FULL, fake_ice_transport_->remote_ice_mode());
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EXPECT_EQ(kIceUfrag1, fake_ice_transport_->ice_ufrag());
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EXPECT_EQ(kIcePwd1, fake_ice_transport_->ice_pwd());
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cricket::TransportDescription remote_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, cricket::CA_ANSWER, NULL));
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EXPECT_EQ(cricket::ICEMODE_FULL, fake_ice_transport_->remote_ice_mode());
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EXPECT_EQ(kIceUfrag1, fake_ice_transport_->remote_ice_ufrag());
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EXPECT_EQ(kIcePwd1, fake_ice_transport_->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(JsepTransportTest, 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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// Tests SetNeedsIceRestartFlag and NeedsIceRestart, ensuring NeedsIceRestart
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// only starts returning "false" once an ICE restart has been initiated.
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TEST_F(JsepTransportTest, NeedsIceRestart) {
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// Do initial offer/answer so there's something to restart.
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cricket::TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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cricket::TransportDescription remote_desc(kIceUfrag1, kIcePwd1);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, cricket::CA_OFFER, nullptr));
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, cricket::CA_ANSWER, nullptr));
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// Flag initially should be false.
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EXPECT_FALSE(transport_->NeedsIceRestart());
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// After setting flag, it should be true.
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transport_->SetNeedsIceRestartFlag();
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EXPECT_TRUE(transport_->NeedsIceRestart());
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// Doing an identical offer/answer shouldn't clear the flag.
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, cricket::CA_OFFER, nullptr));
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, cricket::CA_ANSWER, nullptr));
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EXPECT_TRUE(transport_->NeedsIceRestart());
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// Doing an offer/answer that restarts ICE should clear the flag.
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cricket::TransportDescription ice_restart_local_desc(kIceUfrag2, kIcePwd2);
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cricket::TransportDescription ice_restart_remote_desc(kIceUfrag2, kIcePwd2);
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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ice_restart_local_desc, cricket::CA_OFFER, nullptr));
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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ice_restart_remote_desc, cricket::CA_ANSWER, nullptr));
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EXPECT_FALSE(transport_->NeedsIceRestart());
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}
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TEST_F(JsepTransportTest, 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 FakeIceTransport.
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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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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(JsepTransportTest, 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 the logic of DTLS role negotiation for an initial offer/answer.
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TEST_F(JsepTransportTest, DtlsRoleNegotiation) {
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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", rtc::KT_ECDSA)));
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std::unique_ptr<rtc::SSLFingerprint> fingerprint(
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rtc::SSLFingerprint::CreateFromCertificate(certificate));
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TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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TransportDescription remote_desc(kIceUfrag2, kIcePwd2);
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// Just use the same fingerprint in both descriptions; the remote fingerprint
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// doesn't matter in a non end-to-end test.
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local_desc.identity_fingerprint.reset(
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TransportDescription::CopyFingerprint(fingerprint.get()));
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remote_desc.identity_fingerprint.reset(
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TransportDescription::CopyFingerprint(fingerprint.get()));
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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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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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RecreateTransport();
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transport_->SetLocalCertificate(certificate);
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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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// Set the offer first.
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if (param.local_action == cricket::CA_OFFER) {
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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} else {
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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}
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EXPECT_EQ(rtc::SSL_CLIENT, *transport_->GetSslRole());
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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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RecreateTransport();
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transport_->SetLocalCertificate(certificate);
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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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// Set the offer first.
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if (param.local_action == cricket::CA_OFFER) {
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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} else {
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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}
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EXPECT_EQ(rtc::SSL_SERVER, *transport_->GetSslRole());
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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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RecreateTransport();
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transport_->SetLocalCertificate(certificate);
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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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// Set the offer first.
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if (param.local_action == cricket::CA_OFFER) {
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_FALSE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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} else {
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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EXPECT_FALSE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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}
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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,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_OFFER, cricket::CA_ANSWER},
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{cricket::CONNECTIONROLE_ACTIVE, cricket::CONNECTIONROLE_PASSIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTIVE,
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cricket::CA_OFFER, cricket::CA_PRANSWER},
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{cricket::CONNECTIONROLE_PASSIVE, cricket::CONNECTIONROLE_ACTPASS,
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cricket::CA_OFFER, cricket::CA_PRANSWER}};
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for (auto& param : offerer_without_actpass_params) {
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RecreateTransport();
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transport_->SetLocalCertificate(certificate);
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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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// Set the offer first.
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// TODO(deadbeef): Really this should fail as soon as the offer is
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// attempted to be applied, and not when the answer is applied.
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if (param.local_action == cricket::CA_OFFER) {
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EXPECT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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EXPECT_FALSE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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} else {
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EXPECT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, param.remote_action, nullptr));
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EXPECT_FALSE(transport_->SetLocalTransportDescription(
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local_desc, param.local_action, nullptr));
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}
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}
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}
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// Test that a remote offer with the current negotiated role can be accepted.
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// This is allowed by dtls-sdp, though we'll never generate such an offer,
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// since JSEP requires generating "actpass".
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TEST_F(JsepTransportTest, RemoteOfferWithCurrentNegotiatedDtlsRole) {
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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", rtc::KT_ECDSA)));
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std::unique_ptr<rtc::SSLFingerprint> fingerprint(
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rtc::SSLFingerprint::CreateFromCertificate(certificate));
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transport_->SetLocalCertificate(certificate);
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TransportDescription local_desc(kIceUfrag1, kIcePwd1);
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TransportDescription remote_desc(kIceUfrag2, kIcePwd2);
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// Just use the same fingerprint in both descriptions; the remote fingerprint
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// doesn't matter in a non end-to-end test.
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local_desc.identity_fingerprint.reset(
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TransportDescription::CopyFingerprint(fingerprint.get()));
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remote_desc.identity_fingerprint.reset(
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TransportDescription::CopyFingerprint(fingerprint.get()));
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remote_desc.connection_role = cricket::CONNECTIONROLE_ACTPASS;
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local_desc.connection_role = cricket::CONNECTIONROLE_ACTIVE;
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// Normal initial offer/answer with "actpass" in the offer and "active" in
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// the answer.
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ASSERT_TRUE(transport_->SetRemoteTransportDescription(
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remote_desc, cricket::CA_OFFER, nullptr));
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ASSERT_TRUE(transport_->SetLocalTransportDescription(
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local_desc, cricket::CA_ANSWER, nullptr));
|
|
|
|
// Sanity check that role was actually negotiated.
|
|
rtc::Optional<rtc::SSLRole> role = transport_->GetSslRole();
|
|
ASSERT_TRUE(role);
|
|
EXPECT_EQ(rtc::SSL_CLIENT, *role);
|
|
|
|
// Subsequent offer with current negotiated role of "passive".
|
|
remote_desc.connection_role = cricket::CONNECTIONROLE_PASSIVE;
|
|
EXPECT_TRUE(transport_->SetRemoteTransportDescription(
|
|
remote_desc, cricket::CA_OFFER, nullptr));
|
|
EXPECT_TRUE(transport_->SetLocalTransportDescription(
|
|
local_desc, cricket::CA_ANSWER, nullptr));
|
|
}
|
|
|
|
// Test that a remote offer with the inverse of the current negotiated DTLS
|
|
// role is rejected.
|
|
TEST_F(JsepTransportTest, RemoteOfferThatChangesNegotiatedDtlsRole) {
|
|
rtc::scoped_refptr<rtc::RTCCertificate> certificate =
|
|
rtc::RTCCertificate::Create(std::unique_ptr<rtc::SSLIdentity>(
|
|
rtc::SSLIdentity::Generate("testing", rtc::KT_ECDSA)));
|
|
std::unique_ptr<rtc::SSLFingerprint> fingerprint(
|
|
rtc::SSLFingerprint::CreateFromCertificate(certificate));
|
|
transport_->SetLocalCertificate(certificate);
|
|
|
|
TransportDescription local_desc(kIceUfrag1, kIcePwd1);
|
|
TransportDescription remote_desc(kIceUfrag2, kIcePwd2);
|
|
// Just use the same fingerprint in both descriptions; the remote fingerprint
|
|
// doesn't matter in a non end-to-end test.
|
|
local_desc.identity_fingerprint.reset(
|
|
TransportDescription::CopyFingerprint(fingerprint.get()));
|
|
remote_desc.identity_fingerprint.reset(
|
|
TransportDescription::CopyFingerprint(fingerprint.get()));
|
|
|
|
remote_desc.connection_role = cricket::CONNECTIONROLE_ACTPASS;
|
|
local_desc.connection_role = cricket::CONNECTIONROLE_ACTIVE;
|
|
|
|
// Normal initial offer/answer with "actpass" in the offer and "active" in
|
|
// the answer.
|
|
ASSERT_TRUE(transport_->SetRemoteTransportDescription(
|
|
remote_desc, cricket::CA_OFFER, nullptr));
|
|
ASSERT_TRUE(transport_->SetLocalTransportDescription(
|
|
local_desc, cricket::CA_ANSWER, nullptr));
|
|
|
|
// Sanity check that role was actually negotiated.
|
|
rtc::Optional<rtc::SSLRole> role = transport_->GetSslRole();
|
|
ASSERT_TRUE(role);
|
|
EXPECT_EQ(rtc::SSL_CLIENT, *role);
|
|
|
|
// Subsequent offer with "active", which is the opposite of the remote
|
|
// endpoint's negotiated role.
|
|
// TODO(deadbeef): Really this should fail as soon as the offer is
|
|
// attempted to be applied, and not when the answer is applied.
|
|
remote_desc.connection_role = cricket::CONNECTIONROLE_ACTIVE;
|
|
EXPECT_TRUE(transport_->SetRemoteTransportDescription(
|
|
remote_desc, cricket::CA_OFFER, nullptr));
|
|
EXPECT_FALSE(transport_->SetLocalTransportDescription(
|
|
local_desc, cricket::CA_ANSWER, nullptr));
|
|
}
|