1 /**************************************************************
2 *
3 * Licensed to the Apache Software Foundation (ASF) under one
4 * or more contributor license agreements. See the NOTICE file
5 * distributed with this work for additional information
6 * regarding copyright ownership. The ASF licenses this file
7 * to you under the Apache License, Version 2.0 (the
8 * "License"); you may not use this file except in compliance
9 * with the License. You may obtain a copy of the License at
10 *
11 * http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing,
14 * software distributed under the License is distributed on an
15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16 * KIND, either express or implied. See the License for the
17 * specific language governing permissions and limitations
18 * under the License.
19 *
20 *************************************************************/
21
22
23
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_sfx2.hxx"
26
27
28 #ifdef WNT
29
30 // necessary to include system headers without warnings
31 #ifdef _MSC_VER
32 #pragma warning(disable:4668 4917)
33 #endif
34
35 #include <windows.h>
36 #include <lmaccess.h>
37 #include <sal/types.h>
38
IsReadonlyAccordingACL(const sal_Unicode * pFilePath)39 sal_Bool IsReadonlyAccordingACL( const sal_Unicode* pFilePath )
40 {
41 sal_Bool bResult = sal_False;
42
43 sal_uInt32 nFDSize = 0;
44 GetFileSecurityW( reinterpret_cast< LPCWSTR >(pFilePath), DACL_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|OWNER_SECURITY_INFORMATION, NULL, 0, &nFDSize );
45 if ( nFDSize )
46 {
47 PSECURITY_DESCRIPTOR pFileDescr = reinterpret_cast< PSECURITY_DESCRIPTOR >( malloc( nFDSize ) );
48 if ( GetFileSecurityW( reinterpret_cast< LPCWSTR >(pFilePath), DACL_SECURITY_INFORMATION|GROUP_SECURITY_INFORMATION|OWNER_SECURITY_INFORMATION, pFileDescr, nFDSize, &nFDSize ) )
49 {
50 HANDLE hToken = NULL;
51 if ( OpenThreadToken( GetCurrentThread(), TOKEN_DUPLICATE|TOKEN_QUERY, TRUE, &hToken )
52 || OpenProcessToken( GetCurrentProcess(), TOKEN_DUPLICATE|TOKEN_QUERY, &hToken) )
53 {
54 HANDLE hImpersonationToken = NULL;
55 if ( DuplicateToken( hToken, SecurityImpersonation, &hImpersonationToken) )
56 {
57 sal_uInt32 nDesiredAccess = ACCESS_WRITE;
58 GENERIC_MAPPING aGenericMapping = { ACCESS_READ, ACCESS_WRITE, 0, ACCESS_READ | ACCESS_WRITE };
59 MapGenericMask( &nDesiredAccess, &aGenericMapping );
60
61 PRIVILEGE_SET aPrivilegeSet;
62 sal_uInt32 nPrivilegeSetSize = sizeof( PRIVILEGE_SET );
63
64 sal_uInt32 nGrantedAccess;
65 BOOL bAccessible = TRUE;
66 if ( AccessCheck( pFileDescr,
67 hImpersonationToken,
68 nDesiredAccess,
69 &aGenericMapping,
70 &aPrivilegeSet,
71 &nPrivilegeSetSize,
72 &nGrantedAccess,
73 &bAccessible ) )
74 {
75 bResult = !bAccessible;
76 }
77
78 CloseHandle( hImpersonationToken );
79 }
80
81 CloseHandle( hToken );
82 }
83 }
84
85 free( pFileDescr );
86 }
87
88 return bResult;
89 }
90
91 #else // this is UNX
92 // MARKER(update_precomp.py): autogen include statement, do not remove
93 #include "precompiled_sfx2.hxx"
94
95
96 #include <sal/types.h>
97
IsReadonlyAccordingACL(const sal_Unicode *)98 sal_Bool IsReadonlyAccordingACL( const sal_Unicode* )
99 {
100 // to be implemented
101 return sal_False;
102 }
103
104 #endif
105
106