| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "remoting/protocol/rfc7050_ip_synthesizer.h" |
| |
| #include "base/bind.h" |
| #include "base/run_loop.h" |
| #include "base/test/scoped_task_environment.h" |
| #include "net/base/sys_addrinfo.h" |
| #include "testing/gmock/include/gmock/gmock.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| using testing::_; |
| using testing::Invoke; |
| using testing::Return; |
| |
| namespace { |
| |
| const rtc::SocketAddress kTestIpv4Address("172.217.3.206", 1234); |
| const rtc::SocketAddress kTestIpv6Address("2607:f8b0:400a:809::200e", 1234); |
| |
| // 64:ff9b::172.217.3.206 |
| const rtc::SocketAddress kTestSynthesizedIpv6Address("64:ff9b::acd9:3ce", 1234); |
| |
| rtc::IPAddress StringToIp(const std::string& ip_string) { |
| rtc::IPAddress ip; |
| EXPECT_TRUE(rtc::IPFromString(ip_string, &ip)); |
| return ip; |
| } |
| |
| const rtc::IPAddress kDns64IpPrefix = StringToIp("64:ff9b::"); |
| const rtc::IPAddress kResolvedIpv4HostIp = StringToIp("192.0.0.170"); |
| const rtc::IPAddress kResolvedIpv4MappedHostIp = |
| kResolvedIpv4HostIp.AsIPv6Address(); |
| |
| // 64:ff9b::192.0.0.170 |
| const rtc::IPAddress kResolvedSynthesizedHostIp = |
| StringToIp("64:ff9b::c000:aa"); |
| |
| } // namespace |
| |
| namespace remoting { |
| namespace protocol { |
| |
| class Rfc7050IpSynthesizerTest : public testing::Test { |
| public: |
| void SetUp() override; |
| void TearDown() override; |
| |
| protected: |
| void ExpectHostResolvedToIp(const rtc::IPAddress& ip); |
| |
| MOCK_METHOD1(ResolveIpv4OnlyHost, int(rtc::IPAddress*)); |
| std::unique_ptr<Rfc7050IpSynthesizer> ip_synthesizer_; |
| std::unique_ptr<base::RunLoop> run_loop_; |
| |
| private: |
| base::test::ScopedTaskEnvironment scoped_task_environment_; |
| }; |
| |
| void Rfc7050IpSynthesizerTest::SetUp() { |
| run_loop_ = std::make_unique<base::RunLoop>(); |
| ip_synthesizer_.reset(new Rfc7050IpSynthesizer()); |
| ip_synthesizer_->resolve_ipv4_only_host_ = base::BindRepeating( |
| &Rfc7050IpSynthesizerTest::ResolveIpv4OnlyHost, base::Unretained(this)); |
| } |
| |
| void Rfc7050IpSynthesizerTest::TearDown() { |
| ip_synthesizer_.reset(); |
| run_loop_.reset(); |
| } |
| |
| void Rfc7050IpSynthesizerTest::ExpectHostResolvedToIp( |
| const rtc::IPAddress& ip) { |
| EXPECT_CALL(*this, ResolveIpv4OnlyHost(_)) |
| .WillOnce(Invoke([ip](rtc::IPAddress* out_ip) { |
| *out_ip = ip; |
| return 0; |
| })); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, GetNativeSocketWithoutUpdateDns64Prefix) { |
| EXPECT_EQ(kTestIpv4Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, HostFailedToResolve_NoName) { |
| EXPECT_CALL(*this, ResolveIpv4OnlyHost(_)).WillOnce(Return(EAI_NONAME)); |
| ip_synthesizer_->UpdateDns64Prefix(run_loop_->QuitClosure()); |
| run_loop_->Run(); |
| |
| EXPECT_EQ(kTestIpv4Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, HostFailedToResolve_OtherError) { |
| EXPECT_CALL(*this, ResolveIpv4OnlyHost(_)).WillOnce(Return(EAI_FAIL)); |
| ip_synthesizer_->UpdateDns64Prefix(run_loop_->QuitClosure()); |
| run_loop_->Run(); |
| |
| EXPECT_EQ(kTestIpv4Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, HostResolvedToIpv4) { |
| ExpectHostResolvedToIp(kResolvedIpv4HostIp); |
| ip_synthesizer_->UpdateDns64Prefix(run_loop_->QuitClosure()); |
| run_loop_->Run(); |
| |
| EXPECT_EQ(kTestIpv4Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, HostResolvedToIpv4MappedIpv6) { |
| ExpectHostResolvedToIp(kResolvedIpv4MappedHostIp); |
| ip_synthesizer_->UpdateDns64Prefix(run_loop_->QuitClosure()); |
| run_loop_->Run(); |
| |
| EXPECT_EQ(kTestIpv4Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| TEST_F(Rfc7050IpSynthesizerTest, HostResolvedToSynthesizedIpv6) { |
| ExpectHostResolvedToIp(kResolvedSynthesizedHostIp); |
| ip_synthesizer_->UpdateDns64Prefix(run_loop_->QuitClosure()); |
| run_loop_->Run(); |
| |
| EXPECT_EQ(kTestSynthesizedIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv4Address)); |
| EXPECT_EQ(kTestIpv6Address, |
| ip_synthesizer_->ToNativeSocket(kTestIpv6Address)); |
| } |
| |
| } // namespace protocol |
| } // namespace remoting |