sandbox/win/sandbox_poc/pocdll/network.cc

   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
  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 }