public static int SetupShareMemoryWithSercurity(string strMapFileName, int nSize, ref IntPtr _hMapFile, ref IntPtr _pMapBuf)
{
bool flag = false;
IntPtr intPtr = IntPtr.Zero;
int cb = 68;
IntPtr arg_12_0 = IntPtr.Zero;
Win32.SECURITY_ATTRIBUTES sECURITY_ATTRIBUTES = default(Win32.SECURITY_ATTRIBUTES);
try
{
intPtr = Marshal.AllocHGlobal(cb);
if (!Win32.CreateWellKnownSid(WellKnownSidType.BuiltinAdministratorsSid, IntPtr.Zero, intPtr, ref cb))
{
int result = -1;
return(result);
}
if (!Win32.ConvertStringSecurityDescriptorToSecurityDescriptor("D:(A;;GA;;;RD)(A;;GA;;;S-1-5-32-544)(A;;GA;;;S-1-5-4)", 1, out sECURITY_ATTRIBUTES.lpSecurityDescriptor, IntPtr.Zero))
{
int result = -1;
return(result);
}
sECURITY_ATTRIBUTES.nLength = Marshal.SizeOf(sECURITY_ATTRIBUTES);
sECURITY_ATTRIBUTES.bInheritHandle = false;
_hMapFile = Win32.CreateFileMapping(4294967295u, ref sECURITY_ATTRIBUTES, 4, 0, nSize + 1024, strMapFileName);
flag = ((long)Marshal.GetLastWin32Error() == 183L);
if (_hMapFile == IntPtr.Zero)
{
int result = -1;
return(result);
}
_pMapBuf = Win32.MapViewOfFile(_hMapFile, 983071, 0, 0, nSize + 128);
if (_pMapBuf == IntPtr.Zero)
{
int result = -1;
return(result);
}
}
catch (Exception)
{
}
finally
{
if (intPtr != IntPtr.Zero)
{
Marshal.FreeHGlobal(intPtr);
}
if (sECURITY_ATTRIBUTES.lpSecurityDescriptor != IntPtr.Zero)
{
Win32.LocalFree(sECURITY_ATTRIBUTES.lpSecurityDescriptor);
}
}
if (!flag)
{
return(0);
}
return(1);
}
public static extern IntPtr CreateFileMapping([In] uint hFile, [In] ref Win32.SECURITY_ATTRIBUTES lpAttributes, [In] int flProtect, [In] int dwMaximumSizeHigh, [In] int dwMaximumSizeLow, [In] string lpName = null);
public static extern IntPtr CreatePrivateNamespace([In] ref Win32.SECURITY_ATTRIBUTES lpPrivateNamespaceAttributes, [In] IntPtr lpBoundaryDescriptor, [In] string lpAliasPrefix);
