// http://www.dotnet247.com/247reference/msgs/21/108780.aspx
public static string GetFileOwner(
string filePath)
{
filePath = CheckAddLongPathPrefix(filePath);
IntPtr pZero;
IntPtr pSid;
IntPtr psd; // Not used here
var errorReturn =
PInvokeHelper.GetNamedSecurityInfo(
filePath,
PInvokeHelper.SeFileObject,
PInvokeHelper.OwnerSecurityInformation,
out pSid,
out pZero,
out pZero,
out pZero,
out psd);
if (errorReturn == 0)
{
const int bufferSize = 64;
var buffer = new StringBuilder();
var accounLength = bufferSize;
var domainLength = bufferSize;
int sidNameUse;
var account = new StringBuilder(bufferSize);
var domain = new StringBuilder(bufferSize);
errorReturn =
PInvokeHelper.LookupAccountSid(
null,
pSid,
account,
ref accounLength,
domain,
ref domainLength,
out sidNameUse);
if (errorReturn == 0)
{
// http://msdn.microsoft.com/en-us/library/ms681382(VS.85).aspx.
var lastWin32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(
lastWin32Error,
string.Format(
Resources.ErrorLookingUpSid,
lastWin32Error,
filePath,
CheckAddDotEnd(new Win32Exception(lastWin32Error).Message)));
}
else
{
buffer.Append(domain);
buffer.Append(@"\");
buffer.Append(account);
return(buffer.ToString());
}
}
else
{
// http://msdn.microsoft.com/en-us/library/ms681382(VS.85).aspx.
var lastWin32Error = Marshal.GetLastWin32Error();
throw new Win32Exception(
lastWin32Error,
string.Format(
Resources.ErrorGettingSecurityInfo,
lastWin32Error,
filePath,
CheckAddDotEnd(new Win32Exception(lastWin32Error).Message)));
}
}