Revert of Renaming Gnubby and RemoteSecurityKey files/classes/members

remoting/host/security_key/gnubby_auth_handler_linux_unittest.cc

+// Copyright 2016 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 <stddef.h>
+
+#include "base/files/file_path.h"
+#include "base/files/scoped_temp_dir.h"
+#include "base/macros.h"
+#include "base/message_loop/message_loop.h"
+#include "base/run_loop.h"
+#include "base/strings/stringprintf.h"
+#include "base/timer/mock_timer.h"
+#include "base/values.h"
+#include "net/base/io_buffer.h"
+#include "net/base/net_errors.h"
+#include "net/base/test_completion_callback.h"
+#include "net/socket/unix_domain_client_socket_posix.h"
+#include "remoting/host/security_key/gnubby_auth_handler.h"
+#include "remoting/host/security_key/gnubby_socket.h"
+#include "remoting/proto/internal.pb.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace remoting {
+
+namespace {
+
+const char kSocketFilename[] = "socket_for_testing";
+
+// Test gnubby request data.
+const unsigned char kRequestData[] = {
+    0x00, 0x00, 0x00, 0x9a, 0x65, 0x1e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
+    0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x60, 0x90,
+    0x24, 0x71, 0xf8, 0xf2, 0xe5, 0xdf, 0x7f, 0x81, 0xc7, 0x49, 0xc4, 0xa3,
+    0x58, 0x5c, 0xf6, 0xcc, 0x40, 0x14, 0x28, 0x0c, 0xa0, 0xfa, 0x03, 0x18,
+    0x38, 0xd8, 0x7d, 0x77, 0x2b, 0x3a, 0x00, 0x00, 0x00, 0x20, 0x64, 0x46,
+    0x47, 0x2f, 0xdf, 0x6e, 0xed, 0x7b, 0xf3, 0xc3, 0x37, 0x20, 0xf2, 0x36,
+    0x67, 0x6c, 0x36, 0xe1, 0xb4, 0x5e, 0xbe, 0x04, 0x85, 0xdb, 0x89, 0xa3,
+    0xcd, 0xfd, 0xd2, 0x4b, 0xd6, 0x9f, 0x00, 0x00, 0x00, 0x40, 0x38, 0x35,
+    0x05, 0x75, 0x1d, 0x13, 0x6e, 0xb3, 0x6b, 0x1d, 0x29, 0xae, 0xd3, 0x43,
+    0xe6, 0x84, 0x8f, 0xa3, 0x9d, 0x65, 0x4e, 0x2f, 0x57, 0xe3, 0xf6, 0xe6,
+    0x20, 0x3c, 0x00, 0xc6, 0xe1, 0x73, 0x34, 0xe2, 0x23, 0x99, 0xc4, 0xfa,
+    0x91, 0xc2, 0xd5, 0x97, 0xc1, 0x8b, 0xd0, 0x3c, 0x13, 0xba, 0xf0, 0xd7,
+    0x5e, 0xa3, 0xbc, 0x02, 0x5b, 0xec, 0xe4, 0x4b, 0xae, 0x0e, 0xf2, 0xbd,
+    0xc8, 0xaa};
+
+}  // namespace
+
+class GnubbyAuthHandlerLinuxTest : public testing::Test {
+ public:
+  GnubbyAuthHandlerLinuxTest()
+      : run_loop_(new base::RunLoop()), last_connection_id_received_(-1) {
+    EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
+    socket_path_ = temp_dir_.path().Append(kSocketFilename);
+    remoting::GnubbyAuthHandler::SetGnubbySocketName(socket_path_);
+
+    send_message_callback_ =
+        base::Bind(&GnubbyAuthHandlerLinuxTest::SendMessageToClient,
+                   base::Unretained(this));
+    auth_handler_ =
+        remoting::GnubbyAuthHandler::Create(nullptr, send_message_callback_);
+  }
+
+  void WaitForSendMessageToClient() {
+    run_loop_->Run();
+    run_loop_.reset(new base::RunLoop);
+  }
+
+  void SendMessageToClient(int connection_id, const std::string& data) {
+    last_connection_id_received_ = connection_id;
+    last_message_received_ = data;
+    run_loop_->Quit();
+  }
+
+  void CheckHostDataMessage(int id, const std::string& expected_data) {
+    ASSERT_EQ(id, last_connection_id_received_);
+    ASSERT_EQ(expected_data.length(), last_message_received_.length());
+    ASSERT_EQ(expected_data, last_message_received_);
+  }
+
+  void WriteRequestData(net::UnixDomainClientSocket* client_socket) {
+    int request_len = sizeof(kRequestData);
+    scoped_refptr<net::DrainableIOBuffer> request_buffer(
+        new net::DrainableIOBuffer(
+            new net::WrappedIOBuffer(
+                reinterpret_cast<const char*>(kRequestData)),
+            request_len));
+    net::TestCompletionCallback write_callback;
+    int bytes_written = 0;
+    while (bytes_written < request_len) {
+      int write_result = client_socket->Write(request_buffer.get(),
+                                              request_buffer->BytesRemaining(),
+                                              write_callback.callback());
+      write_result = write_callback.GetResult(write_result);
+      ASSERT_GT(write_result, 0);
+      bytes_written += write_result;
+      ASSERT_LE(bytes_written, request_len);
+      request_buffer->DidConsume(write_result);
+    }
+    ASSERT_EQ(request_len, bytes_written);
+  }
+
+  void WaitForAndVerifyHostMessage(int connection_id) {
+    WaitForSendMessageToClient();
+    std::string expected_data;
+    expected_data.reserve(sizeof(kRequestData) - 4);
+
+    // Skip first four bytes and build up the response string.
+    for (size_t i = 4; i < sizeof(kRequestData); ++i) {
+      expected_data.append(1, static_cast<unsigned char>(kRequestData[i]));
+    }
+
+    CheckHostDataMessage(connection_id, expected_data);
+  }
+
+ protected:
+  base::MessageLoopForIO message_loop_;
+  std::unique_ptr<base::RunLoop> run_loop_;
+
+  // Object under test.
+  std::unique_ptr<GnubbyAuthHandler> auth_handler_;
+
+  GnubbyAuthHandler::SendMessageCallback send_message_callback_;
+
+  int last_connection_id_received_;
+  std::string last_message_received_;
+
+  base::ScopedTempDir temp_dir_;
+  base::FilePath socket_path_;
+  base::Closure accept_callback_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(GnubbyAuthHandlerLinuxTest);
+};
+
+TEST_F(GnubbyAuthHandlerLinuxTest, NotClosedAfterRequest) {
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+
+  auth_handler_->CreateGnubbyConnection();
+
+  net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
+  net::TestCompletionCallback connect_callback;
+
+  int rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+
+  // Write the request and verify the response.
+  WriteRequestData(&client_socket);
+  WaitForAndVerifyHostMessage(1);
+
+  // Verify the connection is now valid.
+  ASSERT_TRUE(auth_handler_->IsValidConnectionId(1));
+
+  // Verify that completing a request/response cycle didn't close the socket.
+  ASSERT_EQ(1u, auth_handler_->GetActiveConnectionCountForTest());
+}
+
+TEST_F(GnubbyAuthHandlerLinuxTest, HandleTwoRequests) {
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+
+  auth_handler_->CreateGnubbyConnection();
+
+  net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
+  net::TestCompletionCallback connect_callback;
+
+  int rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+
+  // Write the request and verify the response.
+  WriteRequestData(&client_socket);
+  WaitForAndVerifyHostMessage(1);
+
+  // Verify the connection is now valid.
+  ASSERT_TRUE(auth_handler_->IsValidConnectionId(1));
+
+  // Repeat the request/response cycle.
+  WriteRequestData(&client_socket);
+  WaitForAndVerifyHostMessage(1);
+
+  // Verify the connection is still valid.
+  ASSERT_TRUE(auth_handler_->IsValidConnectionId(1));
+
+  // Verify that completing two request/response cycles didn't close the
+  // socket.
+  ASSERT_EQ(1u, auth_handler_->GetActiveConnectionCountForTest());
+}
+
+TEST_F(GnubbyAuthHandlerLinuxTest, HandleTwoIndependentRequests) {
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+
+  auth_handler_->CreateGnubbyConnection();
+
+  net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
+  net::TestCompletionCallback connect_callback;
+
+  int rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+
+  // Write the request and verify the response.
+  WriteRequestData(&client_socket);
+  WaitForAndVerifyHostMessage(1);
+
+  // Verify the first connection is now valid.
+  ASSERT_TRUE(auth_handler_->IsValidConnectionId(1));
+
+  // Disconnect and establish a new connection.
+  client_socket.Disconnect();
+  rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+
+  // Repeat the request/response cycle.
+  WriteRequestData(&client_socket);
+  WaitForAndVerifyHostMessage(2);
+
+  // Verify the second connection is valid and the first is not.
+  ASSERT_TRUE(auth_handler_->IsValidConnectionId(2));
+  ASSERT_FALSE(auth_handler_->IsValidConnectionId(1));
+
+  // Verify that the initial socket was released properly.
+  ASSERT_EQ(1u, auth_handler_->GetActiveConnectionCountForTest());
+}
+
+TEST_F(GnubbyAuthHandlerLinuxTest, DidReadTimeout) {
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+  auth_handler_->CreateGnubbyConnection();
+
+  net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
+  net::TestCompletionCallback connect_callback;
+  int rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+  auth_handler_->SetRequestTimeoutForTest(base::TimeDelta());
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+}
+
+TEST_F(GnubbyAuthHandlerLinuxTest, ClientErrorMessageDelivered) {
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+  auth_handler_->CreateGnubbyConnection();
+
+  net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
+  net::TestCompletionCallback connect_callback;
+  int rv = client_socket.Connect(connect_callback.callback());
+  ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
+
+  auth_handler_->SendErrorAndCloseConnection(1);
+  ASSERT_EQ(0u, auth_handler_->GetActiveConnectionCountForTest());
+}
+
+}  // namespace remoting