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| 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 |
| 23 namespace { |
| 24 |
| 25 const char kSocketFilename[] = "unix_domain_socket_for_testing"; |
| 26 const char kInvalidSocketPath[] = "/invalid/path"; |
| 27 |
| 28 bool UserCanConnectCallback(bool allow_user, uid_t uid, gid_t gid) { |
| 29 // Here peers are running in same process. Check if they are expected. |
| 30 EXPECT_EQ(getuid(), uid); |
| 31 EXPECT_EQ(getgid(), gid); |
| 32 return allow_user; |
| 33 } |
| 34 |
| 35 UnixDomainServerSocket::AuthCallback CreateAuthCallback(bool allow_user) { |
| 36 return base::Bind(&UserCanConnectCallback, allow_user); |
| 37 } |
| 38 |
| 39 } // namespace |
| 40 |
| 41 class UnixDomainServerSocketTest : public testing::Test { |
| 42 protected: |
| 43 UnixDomainServerSocketTest() { |
| 44 EXPECT_TRUE(temp_dir_.CreateUniqueTempDir()); |
| 45 socket_path_ = temp_dir_.path().Append(kSocketFilename).value(); |
| 46 } |
| 47 |
| 48 base::ScopedTempDir temp_dir_; |
| 49 std::string socket_path_; |
| 50 }; |
| 51 |
| 52 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPath) { |
| 53 const bool kUseAbstractNamespace = false; |
| 54 UnixDomainServerSocket server_socket(CreateAuthCallback(true), |
| 55 kUseAbstractNamespace); |
| 56 EXPECT_EQ(ERR_FILE_NOT_FOUND, |
| 57 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); |
| 58 } |
| 59 |
| 60 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPathWithAbstractNamespace) { |
| 61 const bool kUseAbstractNamespace = true; |
| 62 UnixDomainServerSocket server_socket(CreateAuthCallback(true), |
| 63 kUseAbstractNamespace); |
| 64 #if defined(OS_ANDROID) || defined(OS_LINUX) |
| 65 EXPECT_EQ(OK, |
| 66 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); |
| 67 #else |
| 68 EXPECT_EQ(ERR_ADDRESS_INVALID, |
| 69 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); |
| 70 #endif |
| 71 } |
| 72 |
| 73 TEST_F(UnixDomainServerSocketTest, AcceptWithForbiddenUser) { |
| 74 const bool kUseAbstractNamespace = false; |
| 75 |
| 76 UnixDomainServerSocket server_socket(CreateAuthCallback(false), |
| 77 kUseAbstractNamespace); |
| 78 EXPECT_EQ(OK, server_socket.ListenWithAddressAndPort(socket_path_, 0, 1)); |
| 79 |
| 80 scoped_ptr<StreamSocket> accepted_socket; |
| 81 TestCompletionCallback accept_callback; |
| 82 EXPECT_EQ(ERR_IO_PENDING, |
| 83 server_socket.Accept(&accepted_socket, accept_callback.callback())); |
| 84 EXPECT_FALSE(accepted_socket); |
| 85 |
| 86 UnixDomainClientSocket client_socket(socket_path_, kUseAbstractNamespace); |
| 87 EXPECT_FALSE(client_socket.IsConnected()); |
| 88 |
| 89 // Connect() will return OK before the server rejects the connection. |
| 90 TestCompletionCallback connect_callback; |
| 91 int rv = client_socket.Connect(connect_callback.callback()); |
| 92 if (rv == ERR_IO_PENDING) { |
| 93 rv = connect_callback.WaitForResult(); |
| 94 } else { |
| 95 EXPECT_TRUE(client_socket.IsConnected()); |
| 96 } |
| 97 EXPECT_EQ(OK, rv); |
| 98 |
| 99 // Cannot use accept_callback.WaitForResult() because authentication error is |
| 100 // invisible to the caller. |
| 101 base::RunLoop().RunUntilIdle(); |
| 102 // Server disconnects the connection. |
| 103 EXPECT_FALSE(client_socket.IsConnected()); |
| 104 // But, server didn't create the accepted socket. |
| 105 EXPECT_FALSE(accepted_socket); |
| 106 |
| 107 const int read_buffer_size = 10; |
| 108 scoped_refptr<IOBuffer> read_buffer(new IOBuffer(read_buffer_size)); |
| 109 TestCompletionCallback read_callback; |
| 110 EXPECT_EQ(0, /* EOF */ |
| 111 client_socket.Read(read_buffer, read_buffer_size, |
| 112 read_callback.callback())); |
| 113 } |
| 114 |
| 115 // Normal cases including read/write are tested by UnixDomainClientSocketTest. |
| 116 |
| 117 } // namespace net |
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