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