remoting/host/gnubby_auth_handler_posix_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/files/file_path.h"
   6 #include "base/files/scoped_temp_dir.h"
   7 #include "base/json/json_writer.h"
   8 #include "base/macros.h"
   9 #include "base/message_loop/message_loop.h"
  10 #include "base/run_loop.h"
  11 #include "base/strings/stringprintf.h"
  12 #include "base/timer/mock_timer.h"
  13 #include "base/values.h"
  14 #include "net/base/io_buffer.h"
  15 #include "net/base/net_errors.h"
  16 #include "net/base/test_completion_callback.h"
  17 #include "net/socket/unix_domain_client_socket_posix.h"
  18 #include "remoting/host/gnubby_auth_handler_posix.h"
  19 #include "remoting/host/gnubby_socket.h"
  20 #include "remoting/proto/internal.pb.h"
  21 #include "remoting/protocol/client_stub.h"
  22 #include "testing/gtest/include/gtest/gtest.h"
  23
  24 namespace remoting {
  25
  26 namespace {
  27
  28 const char kSocketFilename[] = "socket_for_testing";
  29
  30 // Test gnubby request data.
  31 const unsigned char kRequestData[] = {
  32     0x00, 0x00, 0x00, 0x9a, 0x65, 0x1e, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
  33     0x00, 0x90, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x20, 0x60, 0x90,
  34     0x24, 0x71, 0xf8, 0xf2, 0xe5, 0xdf, 0x7f, 0x81, 0xc7, 0x49, 0xc4, 0xa3,
  35     0x58, 0x5c, 0xf6, 0xcc, 0x40, 0x14, 0x28, 0x0c, 0xa0, 0xfa, 0x03, 0x18,
  36     0x38, 0xd8, 0x7d, 0x77, 0x2b, 0x3a, 0x00, 0x00, 0x00, 0x20, 0x64, 0x46,
  37     0x47, 0x2f, 0xdf, 0x6e, 0xed, 0x7b, 0xf3, 0xc3, 0x37, 0x20, 0xf2, 0x36,
  38     0x67, 0x6c, 0x36, 0xe1, 0xb4, 0x5e, 0xbe, 0x04, 0x85, 0xdb, 0x89, 0xa3,
  39     0xcd, 0xfd, 0xd2, 0x4b, 0xd6, 0x9f, 0x00, 0x00, 0x00, 0x40, 0x38, 0x35,
  40     0x05, 0x75, 0x1d, 0x13, 0x6e, 0xb3, 0x6b, 0x1d, 0x29, 0xae, 0xd3, 0x43,
  41     0xe6, 0x84, 0x8f, 0xa3, 0x9d, 0x65, 0x4e, 0x2f, 0x57, 0xe3, 0xf6, 0xe6,
  42     0x20, 0x3c, 0x00, 0xc6, 0xe1, 0x73, 0x34, 0xe2, 0x23, 0x99, 0xc4, 0xfa,
  43     0x91, 0xc2, 0xd5, 0x97, 0xc1, 0x8b, 0xd0, 0x3c, 0x13, 0xba, 0xf0, 0xd7,
  44     0x5e, 0xa3, 0xbc, 0x02, 0x5b, 0xec, 0xe4, 0x4b, 0xae, 0x0e, 0xf2, 0xbd,
  45     0xc8, 0xaa};
  46
  47 }  // namespace
  48
  49 class TestClientStub : public protocol::ClientStub {
  50  public:
  51   TestClientStub() {}
  52   ~TestClientStub() override {}
  53
  54   // protocol::ClientStub implementation.
  55   void SetCapabilities(const protocol::Capabilities& capabilities) override {}
  56
  57   void SetPairingResponse(
  58       const protocol::PairingResponse& pairing_response) override {}
  59
  60   void DeliverHostMessage(const protocol::ExtensionMessage& message) override {
  61     message_ = message;
  62     loop_.Quit();
  63   }
  64
  65   // protocol::ClipboardStub implementation.
  66   void InjectClipboardEvent(const protocol::ClipboardEvent& event) override {}
  67
  68   // protocol::CursorShapeStub implementation.
  69   void SetCursorShape(const protocol::CursorShapeInfo& cursor_shape) override {}
  70
  71   void WaitForDeliverHostMessage() { loop_.Run(); }
  72
  73   void CheckHostDataMessage(int id, const std::string& data) {
  74     std::string connection_id = base::StringPrintf("\"connectionId\":%d", id);
  75     std::string data_message = base::StringPrintf("\"data\":%s", data.c_str());
  76
  77     ASSERT_TRUE(message_.type() == "gnubby-auth" ||
  78                 message_.type() == "auth-v1");
  79     ASSERT_NE(message_.data().find("\"type\":\"data\""), std::string::npos);
  80     ASSERT_NE(message_.data().find(connection_id), std::string::npos);
  81     ASSERT_NE(message_.data().find(data_message), std::string::npos);
  82   }
  83
  84  private:
  85   protocol::ExtensionMessage message_;
  86   base::RunLoop loop_;
  87
  88   DISALLOW_COPY_AND_ASSIGN(TestClientStub);
  89 };
  90
  91 class GnubbyAuthHandlerPosixTest : public testing::Test {
  92  public:
  93   GnubbyAuthHandlerPosixTest() {
  94     EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
  95     socket_path_ = temp_dir_.path().Append(kSocketFilename);
  96     auth_handler_posix_.reset(new GnubbyAuthHandlerPosix(&client_stub_));
  97     auth_handler_ = auth_handler_posix_.get();
  98     auth_handler_->SetGnubbySocketName(socket_path_);
  99   }
 100
 101  protected:
 102   // Object under test.
 103   scoped_ptr<GnubbyAuthHandlerPosix> auth_handler_posix_;
 104
 105   // GnubbyAuthHandler interface for |auth_handler_posix_|.
 106   GnubbyAuthHandler* auth_handler_;
 107
 108   base::MessageLoopForIO message_loop_;
 109   TestClientStub client_stub_;
 110   base::ScopedTempDir temp_dir_;
 111   base::FilePath socket_path_;
 112   base::Closure accept_callback_;
 113 };
 114
 115 TEST_F(GnubbyAuthHandlerPosixTest, HostDataMessageDelivered) {
 116   auth_handler_->DeliverHostDataMessage(42, "test_msg");
 117   client_stub_.WaitForDeliverHostMessage();
 118   // Expects a JSON array of the ASCII character codes for "test_msg".
 119   client_stub_.CheckHostDataMessage(42, "[116,101,115,116,95,109,115,103]");
 120 }
 121
 122 TEST_F(GnubbyAuthHandlerPosixTest, DidReadAndClose) {
 123   std::string message_json = "{\"type\":\"control\",\"option\":\"auth-v1\"}";
 124
 125   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 126   auth_handler_->DeliverClientMessage(message_json);
 127   net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
 128   net::TestCompletionCallback connect_callback;
 129   int rv = client_socket.Connect(connect_callback.callback());
 130   ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
 131   int request_len = sizeof(kRequestData);
 132   scoped_refptr<net::DrainableIOBuffer> request_buffer(
 133       new net::DrainableIOBuffer(
 134           new net::WrappedIOBuffer(reinterpret_cast<const char*>(kRequestData)),
 135           request_len));
 136   net::TestCompletionCallback write_callback;
 137   int bytes_written = 0;
 138   while (bytes_written < request_len) {
 139     int write_result = client_socket.Write(request_buffer.get(),
 140                                            request_buffer->BytesRemaining(),
 141                                            write_callback.callback());
 142     write_result = write_callback.GetResult(write_result);
 143     ASSERT_GT(write_result, 0);
 144     bytes_written += write_result;
 145     ASSERT_LE(bytes_written, request_len);
 146     request_buffer->DidConsume(write_result);
 147   }
 148   ASSERT_EQ(request_len, bytes_written);
 149
 150   client_stub_.WaitForDeliverHostMessage();
 151   base::ListValue expected_data;
 152   // Skip first four bytes.
 153   for (size_t i = 4; i < sizeof(kRequestData); ++i) {
 154     expected_data.AppendInteger(kRequestData[i]);
 155   }
 156
 157   std::string expected_data_json;
 158   base::JSONWriter::Write(expected_data, &expected_data_json);
 159   client_stub_.CheckHostDataMessage(1, expected_data_json);
 160   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 161 }
 162
 163 TEST_F(GnubbyAuthHandlerPosixTest, DidReadTimeout) {
 164   std::string message_json = "{\"type\":\"control\",\"option\":\"auth-v1\"}";
 165
 166   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 167   auth_handler_->DeliverClientMessage(message_json);
 168   net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
 169   net::TestCompletionCallback connect_callback;
 170   int rv = client_socket.Connect(connect_callback.callback());
 171   ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
 172   auth_handler_posix_->SetRequestTimeoutForTest(base::TimeDelta());
 173   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 174 }
 175
 176 TEST_F(GnubbyAuthHandlerPosixTest, ClientErrorMessageDelivered) {
 177   std::string message_json = "{\"type\":\"control\",\"option\":\"auth-v1\"}";
 178
 179   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 180   auth_handler_->DeliverClientMessage(message_json);
 181   net::UnixDomainClientSocket client_socket(socket_path_.value(), false);
 182   net::TestCompletionCallback connect_callback;
 183   int rv = client_socket.Connect(connect_callback.callback());
 184   ASSERT_EQ(net::OK, connect_callback.GetResult(rv));
 185
 186   std::string error_json = "{\"type\":\"error\",\"connectionId\":1}";
 187   auth_handler_->DeliverClientMessage(error_json);
 188   ASSERT_EQ(0u, auth_handler_posix_->GetActiveSocketsMapSizeForTest());
 189 }
 190
 191 }  // namespace remoting