src/sandbox/win/sandbox_poc/pocdll/registry.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 registry.
   9
  10 // Tries to open the key hive\path and outputs the result.
  11 // "output" is the stream used for logging.
  12 void TryOpenKey(const HKEY hive,
  13                 const wchar_t* hive_name,
  14                 const wchar_t* path,
  15                 FILE* output) {
  16   HKEY key;
  17   LONG err_code = ::RegOpenKeyEx(hive,
  18                                  path,
  19                                  0,  // Reserved, must be 0.
  20                                  MAXIMUM_ALLOWED,
  21                                  &key);
  22   if (ERROR_SUCCESS == err_code) {
  23     fprintf(output,
  24             "[GRANTED] Opening key \"%S\\%S\". Handle 0x%p\r\n",
  25             hive_name,
  26             path,
  27             key);
  28     ::RegCloseKey(key);
  29   } else {
  30     fprintf(output,
  31             "[BLOCKED] Opening key \"%S\\%S\". Error %ld\r\n",
  32             hive_name,
  33             path,
  34             err_code);
  35   }
  36 }
  37
  38 void POCDLL_API TestRegistry(HANDLE log) {
  39   HandleToFile handle2file;
  40   FILE *output = handle2file.Translate(log, "w");
  41
  42   TryOpenKey(HKEY_LOCAL_MACHINE, L"HKEY_LOCAL_MACHINE", NULL, output);
  43   TryOpenKey(HKEY_CURRENT_USER, L"HKEY_CURRENT_USER", NULL, output);
  44   TryOpenKey(HKEY_USERS, L"HKEY_USERS", NULL, output);
  45   TryOpenKey(HKEY_LOCAL_MACHINE,
  46              L"HKEY_LOCAL_MACHINE",
  47              L"Software\\Microsoft\\Windows NT\\CurrentVersion\\WinLogon",
  48              output);
  49 }