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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 namespace { | |
| 23 | |
| 24 const char kSocketFilename[] = "socket_for_testing"; | |
| 25 const char kInvalidSocketPath[] = "/invalid/path"; | |
| 26 | |
| 27 bool UserCanConnectCallback(bool allow_user, | |
| 28 const UnixDomainServerSocket::Credentials& credentials) { | |
| 29 // Here peers are running in same process. | |
| 30 #if defined(OS_LINUX) || defined(OS_ANDROID) | |
| 31 EXPECT_EQ(getpid(), credentials.process_id); | |
| 32 #endif | |
| 33 EXPECT_EQ(getuid(), credentials.user_id); | |
| 34 EXPECT_EQ(getgid(), credentials.group_id); | |
| 35 return allow_user; | |
| 36 } | |
| 37 | |
| 38 UnixDomainServerSocket::AuthCallback CreateAuthCallback(bool allow_user) { | |
| 39 return base::Bind(&UserCanConnectCallback, allow_user); | |
| 40 } | |
| 41 | |
| 42 class UnixDomainServerSocketTest : public testing::Test { | |
| 43 protected: | |
| 44 UnixDomainServerSocketTest() { | |
| 45 EXPECT_TRUE(temp_dir_.CreateUniqueTempDir()); | |
| 46 socket_path_ = temp_dir_.path().Append(kSocketFilename).value(); | |
| 47 } | |
| 48 | |
| 49 base::ScopedTempDir temp_dir_; | |
| 50 std::string socket_path_; | |
| 51 }; | |
| 52 | |
| 53 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPath) { | |
| 54 const bool kUseAbstractNamespace = false; | |
| 55 UnixDomainServerSocket server_socket(CreateAuthCallback(true), | |
| 56 kUseAbstractNamespace); | |
| 57 EXPECT_EQ(ERR_FILE_NOT_FOUND, | |
| 58 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); | |
| 59 } | |
| 60 | |
| 61 TEST_F(UnixDomainServerSocketTest, ListenWithInvalidPathWithAbstractNamespace) { | |
| 62 const bool kUseAbstractNamespace = true; | |
| 63 UnixDomainServerSocket server_socket(CreateAuthCallback(true), | |
| 64 kUseAbstractNamespace); | |
| 65 #if defined(OS_ANDROID) || defined(OS_LINUX) | |
| 66 EXPECT_EQ(OK, | |
| 67 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); | |
| 68 #else | |
| 69 EXPECT_EQ(ERR_ADDRESS_INVALID, | |
| 70 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); | |
| 71 #endif | |
| 72 } | |
| 73 | |
| 74 TEST_F(UnixDomainServerSocketTest, ListenAgainAfterFailureWithInvalidPath) { | |
| 75 const bool kUseAbstractNamespace = false; | |
| 76 UnixDomainServerSocket server_socket(CreateAuthCallback(true), | |
| 77 kUseAbstractNamespace); | |
| 78 EXPECT_EQ(ERR_FILE_NOT_FOUND, | |
| 79 server_socket.ListenWithAddressAndPort(kInvalidSocketPath, 0, 1)); | |
| 80 EXPECT_EQ(OK, server_socket.ListenWithAddressAndPort(socket_path_, 0, 1)); | |
| 81 } | |
| 82 | |
| 83 TEST_F(UnixDomainServerSocketTest, AcceptWithForbiddenUser) { | |
| 84 const bool kUseAbstractNamespace = false; | |
| 85 | |
| 86 UnixDomainServerSocket server_socket(CreateAuthCallback(false), | |
| 87 kUseAbstractNamespace); | |
| 88 EXPECT_EQ(OK, server_socket.ListenWithAddressAndPort(socket_path_, 0, 1)); | |
| 89 | |
| 90 scoped_ptr<StreamSocket> accepted_socket; | |
| 91 TestCompletionCallback accept_callback; | |
| 92 EXPECT_EQ(ERR_IO_PENDING, | |
| 93 server_socket.Accept(&accepted_socket, accept_callback.callback())); | |
| 94 EXPECT_FALSE(accepted_socket); | |
| 95 | |
| 96 UnixDomainClientSocket client_socket(socket_path_, kUseAbstractNamespace); | |
| 97 EXPECT_FALSE(client_socket.IsConnected()); | |
| 98 | |
| 99 // Connect() will return OK before the server rejects the connection. | |
| 100 TestCompletionCallback connect_callback; | |
| 101 int rv = connect_callback.GetResult( | |
| 102 client_socket.Connect(connect_callback.callback())); | |
| 103 ASSERT_EQ(OK, rv); | |
| 104 | |
| 105 // Try to read from the socket. | |
| 106 const int read_buffer_size = 10; | |
| 107 scoped_refptr<IOBuffer> read_buffer(new IOBuffer(read_buffer_size)); | |
| 108 TestCompletionCallback read_callback; | |
| 109 rv = read_callback.GetResult(client_socket.Read( | |
| 110 read_buffer.get(), read_buffer_size, read_callback.callback())); | |
| 111 | |
| 112 // The server should have disconnected gracefully, without sending any data. | |
| 113 ASSERT_EQ(0, rv); | |
| 114 EXPECT_FALSE(client_socket.IsConnected()); | |
| 115 | |
| 116 // The server socket should not have called |accept_callback| or modified | |
| 117 // |accepted_socket|. | |
| 118 EXPECT_FALSE(accept_callback.have_result()); | |
| 119 EXPECT_FALSE(accepted_socket); | |
| 120 } | |
| 121 | |
| 122 // Normal cases including read/write are tested by UnixDomainClientSocketTest. | |
| 123 | |
| 124 } // namespace | |
| 125 } // namespace net | |
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