1 // Copyright (c) 2006-2008 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 "sandbox/win/sandbox_poc/pocdll/exports.h"
6 #include "sandbox/win/sandbox_poc/pocdll/utils.h"
7
8 // This file contains the tests used to verify the security of the network.
9
TestNetworkListen(HANDLE log)10 void POCDLL_API TestNetworkListen(HANDLE log) {
11 HandleToFile handle2file;
12 FILE *output = handle2file.Translate(log, "w");
13 #if DONT_WANT_INTERCEPTIONS_JUST_WANT_NETWORK
14 // Initialize Winsock
15 WSADATA wsa_data;
16 int result = ::WSAStartup(MAKEWORD(2, 2), &wsa_data);
17 if (result != NO_ERROR) {
18 fprintf(output, "[ERROR] Cannot initialize winsock. Error%d\r\n", result);
19 return;
20 }
21
22 // Create a SOCKET for listening for
23 // incoming connection requests.
24 SOCKET listen_socket;
25 listen_socket = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
26 if (listen_socket == INVALID_SOCKET) {
27 fprintf(output, "[ERROR] Failed to create socket. Error %ld\r\n",
28 ::WSAGetLastError());
29 ::WSACleanup();
30 return;
31 }
32
33 // The sockaddr_in structure specifies the address family,
34 // IP address, and port for the socket that is being bound.
35 sockaddr_in service;
36 service.sin_family = AF_INET;
37 service.sin_addr.s_addr = inet_addr("127.0.0.1");
38 service.sin_port = htons(88);
39
40 if (bind(listen_socket, reinterpret_cast<SOCKADDR*>(&service),
41 sizeof(service)) == SOCKET_ERROR) {
42 fprintf(output, "[BLOCKED] Bind socket on port 88. Error %ld\r\n",
43 ::WSAGetLastError());
44 closesocket(listen_socket);
45 ::WSACleanup();
46 return;
47 }
48
49 // Listen for incoming connection requests
50 // on the created socket
51 if (listen(listen_socket, SOMAXCONN) == SOCKET_ERROR) {
52 fprintf(output, "[BLOCKED] Listen socket on port 88. Error %ld\r\n",
53 ::WSAGetLastError());
54
55 } else {
56 fprintf(output, "[GRANTED] Listen socket on port 88.\r\n",
57 ::WSAGetLastError());
58 }
59
60 ::WSACleanup();
61 return;
62 #else // DONT_WANT_INTERCEPTIONS_JUST_WANT_NETWORK
63 // Just print out that this test is not running.
64 fprintf(output, "[ERROR] No network tests.\r\n");
65 #endif // DONT_WANT_INTERCEPTIONS_JUST_WANT_NETWORK
66 }
67