sandbox/win/sandbox_poc/pocdll/spyware.cc

   1 // Copyright (c) 2006-2009 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 <string>
   6
   7 #include "base/strings/string16.h"
   8 #include "sandbox/win/sandbox_poc/pocdll/exports.h"
   9 #include "sandbox/win/sandbox_poc/pocdll/utils.h"
  10
  11 // This file contains the tests used to verify the security of the system by
  12 // using some spying techniques.
  13
  14 void POCDLL_API TestSpyKeys(HANDLE log) {
  15   HandleToFile handle2file;
  16   FILE *output = handle2file.Translate(log, "w");
  17
  18   if (RegisterHotKey(NULL, 1, 0, 0x42)) {
  19     fprintf(output, "[GRANTED] successfully registered hotkey\r\n");
  20     UnregisterHotKey(NULL, 1);
  21   } else {
  22     fprintf(output, "[BLOCKED] Failed to register hotkey. Error = %ld\r\n",
  23             ::GetLastError());
  24   }
  25
  26   fprintf(output, "[INFO] Logging keystrokes for 15 seconds\r\n");
  27   fflush(output);
  28   base::string16 logged;
  29   DWORD tick = ::GetTickCount() + 15000;
  30   while (tick > ::GetTickCount()) {
  31     for (int i = 0; i < 256; ++i) {
  32       if (::GetAsyncKeyState(i) & 1) {
  33         if (i >=  VK_SPACE && i <= 0x5A /*VK_Z*/) {
  34           logged.append(1, static_cast<wchar_t>(i));
  35         } else {
  36           logged.append(1, '?');
  37         }
  38       }
  39     }
  40   }
  41
  42   if (logged.size()) {
  43     fprintf(output, "[GRANTED] Spyed keystrokes \"%S\"\r\n",
  44             logged.c_str());
  45   } else {
  46     fprintf(output, "[BLOCKED] Spyed keystrokes \"(null)\"\r\n");
  47   }
  48 }
  49
  50 void POCDLL_API TestSpyScreen(HANDLE log) {
  51   HandleToFile handle2file;
  52   FILE *output = handle2file.Translate(log, "w");
  53
  54   HDC screen_dc = ::GetDC(NULL);
  55   COLORREF pixel_color = ::GetPixel(screen_dc, 0, 0);
  56
  57   for (int x = 0; x < 10; ++x) {
  58     for (int y = 0; y < 10; ++y) {
  59       if (::GetPixel(screen_dc, x, y) != pixel_color) {
  60         fprintf(output, "[GRANTED] Read pixel on screen\r\n");
  61         return;
  62       }
  63     }
  64   }
  65
  66   fprintf(output, "[BLOCKED] Read pixel on screen. Error = %ld\r\n",
  67           ::GetLastError());
  68 }