chrome_elf/create_file/chrome_create_file.h

   1 // Copyright 2014 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 #ifndef CHROME_ELF_CREATE_FILE_CHROME_CREATE_FILE_H_
   6 #define CHROME_ELF_CREATE_FILE_CHROME_CREATE_FILE_H_
   7
   8 #include <windows.h>
   9
  10 #include "chrome_elf/chrome_elf_types.h"
  11
  12 // A CreateFileW replacement that will call NTCreateFile directly when the
  13 // criteria defined in ShouldBypass() are satisfied for |lp_file_name|.
  14 extern "C" HANDLE WINAPI CreateFileWRedirect(
  15     LPCWSTR file_name,
  16     DWORD desired_access,
  17     DWORD share_mode,
  18     LPSECURITY_ATTRIBUTES security_attributes,
  19     DWORD creation_disposition,
  20     DWORD flags_and_attributes,
  21     HANDLE template_file);
  22
  23 // Returns the count of CreateFile calls redirected so far.
  24 extern "C" int GetRedirectCount();
  25
  26 // Partial reimplementation of kernel32!CreateFile (very partial: only handles
  27 // reading and writing to files in the User Data directory).
  28 HANDLE CreateFileNTDLL(
  29     LPCWSTR file_name,
  30     DWORD desired_access,
  31     DWORD share_mode,
  32     LPSECURITY_ATTRIBUTES security_attributes,
  33     DWORD creation_disposition,
  34     DWORD flags_and_attributes,
  35     HANDLE template_file);
  36
  37 // Determines whether or not we should use our version of CreateFile, or the
  38 // system version (only uses ours if we're writing to the user data directory).
  39 bool ShouldBypass(LPCWSTR file_name);
  40
  41 #endif  // CHROME_ELF_CREATE_FILE_CHROME_CREATE_FILE_H_