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     static const WCHAR WineW[] = {'S','o','f','t','w','a','r','e','\\','W','i','n','e',0};
  54     static const WCHAR ShowDotFilesW[] = {'S','h','o','w','D','o','t','F','i','l','e','s',0};
  55     char tmp[80];
  56     HANDLE root, hkey;
  57     DWORD dummy;
  58     OBJECT_ATTRIBUTES attr;
  59     UNICODE_STRING nameW;
  60
  61     RtlOpenCurrentUser( KEY_ALL_ACCESS, &root );
  62     attr.Length = sizeof(attr);
  63     attr.RootDirectory = root;
  64     attr.ObjectName = &nameW;
  65     attr.Attributes = 0;
  66     attr.SecurityDescriptor = NULL;
  67     attr.SecurityQualityOfService = NULL;
  68     RtlInitUnicodeString( &nameW, WineW );
  69
  70     /* @@ Wine registry key: HKCU\Software\Wine */
  71     if (!NtOpenKey( &hkey, KEY_ALL_ACCESS, &attr ))
  72     {
  73         RtlInitUnicodeString( &nameW, ShowDotFilesW );
  74         if (!NtQueryValueKey( hkey, &nameW, KeyValuePartialInformation, tmp, sizeof(tmp), &dummy ))
  75         {
  76             WCHAR *str = (WCHAR *)((KEY_VALUE_PARTIAL_INFORMATION *)tmp)->Data;
  77             show_dot_files = IS_OPTION_TRUE( str[0] );
  78         }
  79         NtClose( hkey );
  80     }
  81     NtClose( root );
  82     unix_funcs->set_show_dot_files( show_dot_files );
  83 }
  84
  85
  86 /******************************************************************
  87  *              RtlWow64EnableFsRedirection   (NTDLL.@)
  88  */
  89 NTSTATUS WINAPI RtlWow64EnableFsRedirection( BOOLEAN enable )
  90 {
  91 #ifdef _WIN64
  92      return STATUS_NOT_IMPLEMENTED;
  93 #else
  94     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
  95     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = !enable;
  96     return STATUS_SUCCESS;
  97 #endif
  98 }
  99
 100
 101 /******************************************************************
 102  *              RtlWow64EnableFsRedirectionEx   (NTDLL.@)
 103  */
 104 NTSTATUS WINAPI RtlWow64EnableFsRedirectionEx( ULONG disable, ULONG *old_value )
 105 {
 106 #ifdef _WIN64
 107      return STATUS_NOT_IMPLEMENTED;
 108 #else
 109     if (!NtCurrentTeb64()) return STATUS_NOT_IMPLEMENTED;
 110
 111     __TRY
 112     {
 113         *old_value = NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR];
 114     }
 115     __EXCEPT_PAGE_FAULT
 116     {
 117         return STATUS_ACCESS_VIOLATION;
 118     }
 119     __ENDTRY
 120
 121     NtCurrentTeb64()->TlsSlots[WOW64_TLS_FILESYSREDIR] = disable;
 122     return STATUS_SUCCESS;
 123 #endif
 124 }
 125
 126
 127 /******************************************************************
 128  *              RtlDoesFileExists_U   (NTDLL.@)
 129  */
 130 BOOLEAN WINAPI RtlDoesFileExists_U(LPCWSTR file_name)
 131 {
 132     UNICODE_STRING nt_name;
 133     FILE_BASIC_INFORMATION basic_info;
 134     OBJECT_ATTRIBUTES attr;
 135     BOOLEAN ret;
 136
 137     if (!RtlDosPathNameToNtPathName_U( file_name, &nt_name, NULL, NULL )) return FALSE;
 138
 139     attr.Length = sizeof(attr);
 140     attr.RootDirectory = 0;
 141     attr.ObjectName = &nt_name;
 142     attr.Attributes = OBJ_CASE_INSENSITIVE;
 143     attr.SecurityDescriptor = NULL;
 144     attr.SecurityQualityOfService = NULL;
 145
 146     ret = NtQueryAttributesFile(&attr, &basic_info) == STATUS_SUCCESS;
 147
 148     RtlFreeUnicodeString( &nt_name );
 149     return ret;
 150 }