dlls/ntdll/directory.c

   1 /*
   2  * NTDLL directory functions
   3  *
   4  * Copyright 1993 Erik Bos
   5  * Copyright 2003 Eric Pouech
   6  * Copyright 1996, 2004 Alexandre Julliard
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  21  */
  22
  23 #include <assert.h>
  24 #include <sys/types.h>
  25 #include <fcntl.h>
  26 #include <stdarg.h>
  27 #include <string.h>
  28 #include <stdlib.h>
  29 #include <stdio.h>
  30
  31 #include "ntstatus.h"
  32 #define WIN32_NO_STATUS
  33 #define NONAMELESSUNION
  34 #include "windef.h"
  35 #include "winnt.h"
  36 #include "winternl.h"
  37 #include "ddk/wdm.h"
  38 #include "ntdll_misc.h"
  39 #include "wine/server.h"
  40 #include "wine/list.h"
  41 #include "wine/debug.h"
  42 #include "wine/exception.h"
  43
  44 #define IS_OPTION_TRUE(ch) ((ch) == 'y' || (ch) == 'Y' || (ch) == 't' || (ch) == 'T' || (ch) == '1')
  45
  46 static BOOL show_dot_files;
  47
  48 /***********************************************************************
  49  *           init_directories
  50  */
  51 void init_directories(void)
  52 {
  53     char tmp[80];
  54     HANDLE root, hkey;
  55     DWORD dummy;
  56     OBJECT_ATTRIBUTES attr;
  57     UNICODE_STRING nameW;
  58
  59     RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
  60     attr.Length = sizeof(attr);
  61     attr.RootDirectory = root;
  62     attr.ObjectName = &nameW;
  63     attr.Attributes = 0;
  64     attr.SecurityDescriptor = NULL;
  65     attr.SecurityQualityOfService = NULL;
  66     RtlInitUnicodeString( &nameW, L"Software\\Wine" );
  67
  68     /* @@ Wine registry key: HKCU\Software\Wine */
  69     if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
  70     {
  71         RtlInitUnicodeString( &nameW, L"ShowDotFiles" );
  72         if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
  73         {
  74             WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
  75             show_dot_files = IS_OPTION_TRUE( str[0] );
  76         }
  77         NtClose( hkey );
  78     }
  79     NtClose( root );
  80     unix_funcs->set_show_dot_files( show_dot_files );
  81 }
  82
  83
  84 /******************************************************************
  85  *              RtlWow64EnableFsRedirection   (NTDLL.@)
  86  */
  87 NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable )
  88 {
  89 #ifdef _WIN64
  90      return STATUS_NOT_IMPLEMENTED;
  91 #else
  92     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
  93     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = !enable;
  94     return STATUS_SUCCESS;
  95 #endif
  96 }
  97
  98
  99 /******************************************************************
 100  *              RtlWow64EnableFsRedirectionEx   (NTDLL.@)
 101  */
 102 NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value )
 103 {
 104 #ifdef _WIN64
 105      return STATUS_NOT_IMPLEMENTED;
 106 #else
 107     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
 108
 109     __TRY
 110     {
 111         *old_value = NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR];
 112     }
 113     __EXCEPT_PAGE_FAULT
 114     {
 115         return STATUS_ACCESS_VIOLATION;
 116     }
 117     __ENDTRY
 118
 119     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = disable;
 120     return STATUS_SUCCESS;
 121 #endif
 122 }
 123
 124
 125 /******************************************************************
 126  *              RtlDoesFileExists_U   (NTDLL.@)
 127  */
 128 BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR file_name)
 129 {
 130     UNICODE_STRING nt_name;
 131     FILE_BASIC_INFORMATION basic_info;
 132     OBJECT_ATTRIBUTES attr;
 133     BOOLEAN ret;
 134
 135     if (!RtlDosPathNameToNtPathName_U( file_name, &nt_name, NULL, NULL )) return FALSE;
 136
 137     attr.Length = sizeof(attr);
 138     attr.RootDirectory = 0;
 139     attr.ObjectName = &nt_name;
 140     attr.Attributes = OBJ_CASE_INSENSITIVE;
 141     attr.SecurityDescriptor = NULL;
 142     attr.SecurityQualityOfService = NULL;
 143
 144     ret = NtQueryAttributesFile(&attr, &basic_info) == STATUS_SUCCESS;
 145
 146     RtlFreeUnicodeString( &nt_name );
 147     return ret;
 148 }