net/socket/unix_domain_server_socket_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 "net/socket/unix_domain_server_socket_posix.h"
   6
   7 #include <vector>
   8
   9 #include "base/bind.h"
  10 #include "base/files/file_path.h"
  11 #include "base/files/scoped_temp_dir.h"
  12 #include "base/memory/scoped_ptr.h"
  13 #include "base/run_loop.h"
  14 #include "base/stl_util.h"
  15 #include "net/base/io_buffer.h"
  16 #include "net/base/net_errors.h"
  17 #include "net/base/test_completion_callback.h"
  18 #include "net/socket/unix_domain_client_socket_posix.h"
  19 #include "testing/gtest/include/gtest/gtest.h"
  20
  21 namespace net {
  22 namespace {
  23
  24 const char kSocketFilename[] = "socket_for_testing";
  25 const char kInvalidSocketPath[] = "/invalid/path";
  26
  27 bool UserCanConnectCallback(bool allow_user, uid_t uid, gid_t gid) {
  28   // Here peers are running in same process.
  29   EXPECT_EQ(getuid(), uid);
  30   EXPECT_EQ(getgid(), gid);
  31   return allow_user;
  32 }
  33
  34 UnixDomainServerSocket::AuthCallback CreateAuthCallback(bool allow_user) {
  35   return base::Bind(&UserCanConnectCallback, allow_user);
  36 }
  37
  38 class UnixDomainServerSocketTest : public testing::Test {
  39  protected:
  40   UnixDomainServerSocketTest() {
  41     EXPECT_TRUE(temp_dir_.CreateUniqueTempDir());
  42     socket_path_ = temp_dir_.path().Append(kSocketFilename).value();
  43   }
  44
  45   base::ScopedTempDir temp_dir_;
  46   std::string socket_path_;
  47 };
  48
  49 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPath) {
  50   const bool kUseAbstractNamespace = false;
  51   UnixDomainServerSocket server_socket(CreateAuthCallback(true),
  52                                        kUseAbstractNamespace);
  53   EXPECT_EQ(ERR_FILE_NOT_FOUND,
  54             server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1));
  55 }
  56
  57 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPathWithAbstractNamespace) {
  58   const bool kUseAbstractNamespace = true;
  59   UnixDomainServerSocket server_socket(CreateAuthCallback(true),
  60                                        kUseAbstractNamespace);
  61 #if defined(OS_ANDROID) || defined(OS_LINUX)
  62   EXPECT_EQ(OK,
  63             server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1));
  64 #else
  65   EXPECT_EQ(ERR_ADDRESS_INVALID,
  66             server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1));
  67 #endif
  68 }
  69
  70 TEST_F(UnixDomainServerSocketTest, AcceptWithForbiddenUser) {
  71   const bool kUseAbstractNamespace = false;
  72
  73   UnixDomainServerSocket server_socket(CreateAuthCallback(false),
  74                                        kUseAbstractNamespace);
  75   EXPECT_EQ(OK, server_socket.ListenWithAddressAndPort(socket_path_, 0, 1));
  76
  77   scoped_ptr<StreamSocket> accepted_socket;
  78   TestCompletionCallback accept_callback;
  79   EXPECT_EQ(ERR_IO_PENDING,
  80             server_socket.Accept(&accepted_socket, accept_callback.callback()));
  81   EXPECT_FALSE(accepted_socket);
  82
  83   UnixDomainClientSocket client_socket(socket_path_, kUseAbstractNamespace);
  84   EXPECT_FALSE(client_socket.IsConnected());
  85
  86   // Connect() will return OK before the server rejects the connection.
  87   TestCompletionCallback connect_callback;
  88   int rv = connect_callback.GetResult(
  89       client_socket.Connect(connect_callback.callback()));
  90   ASSERT_EQ(OK, rv);
  91
  92   // Try to read from the socket.
  93   const int read_buffer_size = 10;
  94   scoped_refptr<IOBuffer> read_buffer(new IOBuffer(read_buffer_size));
  95   TestCompletionCallback read_callback;
  96   rv = read_callback.GetResult(client_socket.Read(read_buffer, read_buffer_size,
  97                                                   read_callback.callback()));
  98
  99   // The server should have disconnected gracefully, without sending any data.
 100   ASSERT_EQ(0, rv);
 101   EXPECT_FALSE(client_socket.IsConnected());
 102
 103   // The server socket should not have called |accept_callback| or modified
 104   // |accepted_socket|.
 105   EXPECT_FALSE(accept_callback.have_result());
 106   EXPECT_FALSE(accepted_socket);
 107 }
 108
 109 // Normal cases including read/write are tested by UnixDomainClientSocketTest.
 110
 111 }  // namespace
 112 }  // namespace net