1 //////////////////////////////////////////////////////////////////////////////
2 //
3 // (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
4 // Software License, Version 1.0. (See accompanying file
5 // LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
6 //
7 // See http://www.boost.org/libs/interprocess for documentation.
8 //
9 //////////////////////////////////////////////////////////////////////////////
10 
11 #ifndef BOOST_INTERPROCESS_PERMISSIONS_HPP
12 #define BOOST_INTERPROCESS_PERMISSIONS_HPP
13 
14 #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
15 
16 #ifndef BOOST_CONFIG_HPP
17 #  include <boost/config.hpp>
18 #endif
19 #
20 #if defined(BOOST_HAS_PRAGMA_ONCE)
21 #  pragma once
22 #endif
23 
24 #include <boost/interprocess/detail/config_begin.hpp>
25 #include <boost/interprocess/detail/workaround.hpp>
26 #include <boost/interprocess/interprocess_fwd.hpp>
27 
SandboxReportWrapper(const SandboxReport & aReport)28 #if defined(BOOST_INTERPROCESS_WINDOWS)
29 
30 #include <boost/interprocess/detail/win32_api.hpp>
31 
32 #endif
33 
34 #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
35 
36 //!\file
37 //!Describes permissions class
38 
39 namespace boost {
40 namespace interprocess {
41 
42 #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
43 
44 #if defined(BOOST_INTERPROCESS_WINDOWS)
45 
46 namespace ipcdetail {
47 
48 template <int Dummy>
49 struct unrestricted_permissions_holder
50 {
51    static winapi::interprocess_all_access_security unrestricted;
52 };
53 
54 template<int Dummy>
55 winapi::interprocess_all_access_security unrestricted_permissions_holder<Dummy>::unrestricted;
56 
57 }  //namespace ipcdetail {
58 
59 #endif   //defined BOOST_INTERPROCESS_WINDOWS
60 
61 #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
62 
63 //!The permissions class represents permissions to be set to shared memory or
64 //!files, that can be constructed form usual permission representations:
65 //!a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX.
66 class permissions
67 {
68    #if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
69 
70    #if defined(BOOST_INTERPROCESS_WINDOWS)
71    typedef void*  os_permissions_type;
72    #else
73    typedef int    os_permissions_type;
74    #endif
75    os_permissions_type  m_perm;
76 
77    #endif   //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
78 
79    public:
80    //!Constructs a permissions object from a user provided os-dependent
81    //!permissions.
82    permissions(os_permissions_type type)
83       : m_perm(type)
84    {}
85 
86    //!Constructs a default permissions object:
87    //!A null security attributes pointer for windows or 0644
88    //!for UNIX.
89    permissions()
90    {  set_default(); }
91 
92    //!Sets permissions to default values:
93    //!A null security attributes pointer for windows or 0644
94    //!for UNIX.
95    void set_default()
96    {
97       #if defined (BOOST_INTERPROCESS_WINDOWS)
98       m_perm = 0;
99       #else
100       m_perm = 0644;
101       #endif
102    }
103 
104    //!Sets permissions to unrestricted access:
105    //!A null DACL for windows or 0666 for UNIX.
106    void set_unrestricted()
107    {
108       #if defined (BOOST_INTERPROCESS_WINDOWS)
109       m_perm = &ipcdetail::unrestricted_permissions_holder<0>::unrestricted;
110       #else
111       m_perm = 0666;
112       #endif
113    }
114 
115    //!Sets permissions from a user provided os-dependent
116    //!permissions.
117    void set_permissions(os_permissions_type perm)
118    {  m_perm = perm; }
119 
120    //!Returns stored os-dependent
121    //!permissions
122    os_permissions_type get_permissions() const
123    {  return m_perm; }
124 };
125 
126 }  //namespace interprocess {
127 }  //namespace boost {
128 
SandboxReportArray(SandboxReporter::Snapshot && aSnap)129 #include <boost/interprocess/detail/config_end.hpp>
130 
131 #endif   //BOOST_INTERPROCESS_PERMISSIONS_HPP
132 
133