dlls/sfc_os/sfc_os.c

   1 /*
   2  * Implementation of the System File Checker (Windows File Protection)
   3  *
   4  * Copyright 2006 Detlef Riekenberg
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winerror.h"
  26 #include "winreg.h"
  27 #include "sfc.h"
  28 #include "wine/debug.h"
  29
  30 WINE_DEFAULT_DEBUG_CHANNEL(sfc);
  31
  32 /******************************************************************
  33  *      DllMain
  34  */
  35 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
  36 {
  37     TRACE("(%p, %d, %p)\n",hinstDLL, fdwReason, lpvReserved);
  38
  39     switch(fdwReason)
  40     {
  41         case DLL_WINE_PREATTACH:
  42             return FALSE;           /* prefer native version */
  43
  44         case DLL_PROCESS_ATTACH:
  45             DisableThreadLibraryCalls( hinstDLL );
  46             break;
  47     }
  48     return TRUE;
  49 }
  50
  51 /******************************************************************
  52  *              SfcIsFileProtected     [sfc_os.@]
  53  *
  54  * Check, if the given File is protected by the System
  55  *
  56  * PARAMS
  57  *  RpcHandle    [I] This must be NULL
  58  *  ProtFileName [I] Filename with Path to check
  59  *
  60  * RETURNS
  61  *  Failure: FALSE with GetLastError() != ERROR_FILE_NOT_FOUND
  62  *  Success: TRUE, when the File is Protected
  63  *           FALSE with GetLastError() == ERROR_FILE_NOT_FOUND,
  64  *           when the File is not Protected
  65  *
  66  *
  67  * BUGS
  68  *  We return always the Result for: "File is not Protected"
  69  *
  70  */
  71 BOOL WINAPI SfcIsFileProtected(HANDLE RpcHandle, LPCWSTR ProtFileName)
  72 {
  73     static BOOL reported = FALSE;
  74
  75     if (reported) {
  76         TRACE("(%p, %s) stub\n", RpcHandle, debugstr_w(ProtFileName));
  77     }
  78     else
  79     {
  80         FIXME("(%p, %s) stub\n", RpcHandle, debugstr_w(ProtFileName));
  81         reported = TRUE;
  82     }
  83
  84     SetLastError(ERROR_FILE_NOT_FOUND);
  85     return FALSE;
  86 }
  87
  88 /******************************************************************
  89  *              SfcIsKeyProtected     [sfc_os.@]
  90  *
  91  * Check, if the given Registry Key is protected by the System
  92  *
  93  * PARAMS
  94  *  hKey          [I] Handle to the root registry key
  95  *  lpSubKey      [I] Name of the subkey to check
  96  *  samDesired    [I] The Registry View to Examine (32 or 64 bit)
  97  *
  98  * RETURNS
  99  *  Failure: FALSE with GetLastError() != ERROR_FILE_NOT_FOUND
 100  *  Success: TRUE, when the Key is Protected
 101  *           FALSE with GetLastError() == ERROR_FILE_NOT_FOUND,
 102  *           when the Key is not Protected
 103  *
 104  */
 105 BOOL WINAPI SfcIsKeyProtected(HKEY hKey, LPCWSTR lpSubKey, REGSAM samDesired)
 106 {
 107     static BOOL reported = FALSE;
 108
 109     if (reported) {
 110         TRACE("(%p, %s) stub\n", hKey, debugstr_w(lpSubKey));
 111     }
 112     else
 113     {
 114         FIXME("(%p, %s) stub\n", hKey, debugstr_w(lpSubKey));
 115         reported = TRUE;
 116     }
 117
 118     if( !hKey ) {
 119         SetLastError(ERROR_INVALID_HANDLE);
 120         return FALSE;
 121     }
 122
 123     SetLastError(ERROR_FILE_NOT_FOUND);
 124     return FALSE;
 125 }