133 lines
3.5 KiB
C++
133 lines
3.5 KiB
C++
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// (C) Copyright Ion Gaztanaga 2005-2012. Distributed under the Boost
|
|
// Software License, Version 1.0. (See accompanying file
|
|
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
|
//
|
|
// See http://www.boost.org/libs/interprocess for documentation.
|
|
//
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
#ifndef BOOST_INTERPROCESS_PERMISSIONS_HPP
|
|
#define BOOST_INTERPROCESS_PERMISSIONS_HPP
|
|
|
|
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
|
|
|
|
#ifndef BOOST_CONFIG_HPP
|
|
# include <boost/config.hpp>
|
|
#endif
|
|
#
|
|
#if defined(BOOST_HAS_PRAGMA_ONCE)
|
|
# pragma once
|
|
#endif
|
|
|
|
#include <boost/interprocess/detail/config_begin.hpp>
|
|
#include <boost/interprocess/detail/workaround.hpp>
|
|
#include <boost/interprocess/interprocess_fwd.hpp>
|
|
|
|
#if defined(BOOST_INTERPROCESS_WINDOWS)
|
|
|
|
#include <boost/interprocess/detail/win32_api.hpp>
|
|
|
|
#endif
|
|
|
|
#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
|
|
|
|
//!\file
|
|
//!Describes permissions class
|
|
|
|
namespace boost {
|
|
namespace interprocess {
|
|
|
|
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
|
|
|
|
#if defined(BOOST_INTERPROCESS_WINDOWS)
|
|
|
|
namespace ipcdetail {
|
|
|
|
template <int Dummy>
|
|
struct unrestricted_permissions_holder
|
|
{
|
|
static winapi::interprocess_all_access_security unrestricted;
|
|
};
|
|
|
|
template<int Dummy>
|
|
winapi::interprocess_all_access_security unrestricted_permissions_holder<Dummy>::unrestricted;
|
|
|
|
} //namespace ipcdetail {
|
|
|
|
#endif //defined BOOST_INTERPROCESS_WINDOWS
|
|
|
|
#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
|
|
|
|
//!The permissions class represents permissions to be set to shared memory or
|
|
//!files, that can be constructed form usual permission representations:
|
|
//!a SECURITY_ATTRIBUTES pointer in windows or ORed rwx chmod integer in UNIX.
|
|
class permissions
|
|
{
|
|
#if !defined(BOOST_INTERPROCESS_DOXYGEN_INVOKED)
|
|
|
|
#if defined(BOOST_INTERPROCESS_WINDOWS)
|
|
typedef void* os_permissions_type;
|
|
#else
|
|
typedef int os_permissions_type;
|
|
#endif
|
|
os_permissions_type m_perm;
|
|
|
|
#endif //#ifndef BOOST_INTERPROCESS_DOXYGEN_INVOKED
|
|
|
|
public:
|
|
//!Constructs a permissions object from a user provided os-dependent
|
|
//!permissions.
|
|
permissions(os_permissions_type type)
|
|
: m_perm(type)
|
|
{}
|
|
|
|
//!Constructs a default permissions object:
|
|
//!A null security attributes pointer for windows or 0644
|
|
//!for UNIX.
|
|
permissions()
|
|
{ set_default(); }
|
|
|
|
//!Sets permissions to default values:
|
|
//!A null security attributes pointer for windows or 0644
|
|
//!for UNIX.
|
|
void set_default()
|
|
{
|
|
#if defined (BOOST_INTERPROCESS_WINDOWS)
|
|
m_perm = 0;
|
|
#else
|
|
m_perm = 0644;
|
|
#endif
|
|
}
|
|
|
|
//!Sets permissions to unrestricted access:
|
|
//!A null DACL for windows or 0666 for UNIX.
|
|
void set_unrestricted()
|
|
{
|
|
#if defined (BOOST_INTERPROCESS_WINDOWS)
|
|
m_perm = &ipcdetail::unrestricted_permissions_holder<0>::unrestricted;
|
|
#else
|
|
m_perm = 0666;
|
|
#endif
|
|
}
|
|
|
|
//!Sets permissions from a user provided os-dependent
|
|
//!permissions.
|
|
void set_permissions(os_permissions_type perm)
|
|
{ m_perm = perm; }
|
|
|
|
//!Returns stored os-dependent
|
|
//!permissions
|
|
os_permissions_type get_permissions() const
|
|
{ return m_perm; }
|
|
};
|
|
|
|
} //namespace interprocess {
|
|
} //namespace boost {
|
|
|
|
#include <boost/interprocess/detail/config_end.hpp>
|
|
|
|
#endif //BOOST_INTERPROCESS_PERMISSIONS_HPP
|
|
|