public Tuple <int, string, bool> ACLParse(System.IO.DirectoryInfo directoryInfo)
{
string error = string.Empty;
int aclId = 0;
bool allInherited = true;
try
{
var dirSecurity = directoryInfo.GetAccessControl();
var authRuleColl = dirSecurity.GetAccessRules(true, true, typeof(NTAccount));
var acl = new ACL();
foreach (FileSystemAccessRule fsaRule in authRuleColl)
{
if (!fsaRule.IsInherited)
{
allInherited = false;
}
var ace = new ACE(fsaRule);
var id = _ACESet.GetId(ace); // add this ace to the aceset;
acl.Add(ace, id);
}
acl.Seal();
aclId = _ACLSet.GetId(acl);
}
catch (Exception ex)
{
error = ex.Message;
}
finally
{
}
return(Tuple.Create(aclId, error, allInherited));
}
private int _UnsafeGetId(ACE ace)
{
if (ace is null)
{
return(0);
}
if (aceList.TryGetValue(ace, out int id))
{
ace.ResetID(maxID);
return(id);
}
else
{
locker.EnterWriteLock();
try
{
return(_UnsafeAddId(ace));
}
catch (Exception)
{
throw;
}
finally
{
locker.ExitWriteLock();
}
}
}
//public IEnumerable<T> GetEnumerable<T>(List<T> x)
//{
// IEnumerable<T> result = x;
// foreach(var item in x)
// {
// result.
// }
// return result;
//}
//private byte[] IntListCheckSum(List<int> intList)
//{
// int[] intArray = intList.ToArray();
// var checksum = new byte[64];
// byte[] result = new byte[intArray.Length * sizeof(int)];
// Buffer.BlockCopy(intArray, 0, result, 0, result.Length);
// using (var sha = new SHA512Managed())
// {
// checksum = sha.ComputeHash(result);
// }
// return checksum;
//}
private int ACEdbId(ACE value)
{
var pName = value.PrincipalName;
var pSID = value.PrincipalSID;
var rights = value.Rights;
var pNameID = PrincipalID(pName, pSID);
var rightsID = RightsID(rights);
var aceID = AceDBID(pNameID, rightsID);
return(aceID);
}
public int GetId(ACE ace)
{
locker.EnterUpgradeableReadLock();
try
{
return(_UnsafeGetId(ace));
}
catch (Exception)
{
throw;
}
finally
{
locker.ExitUpgradeableReadLock();
}
}
//private ReaderWriterLockSlim locker = new ReaderWriterLockSlim();
public void Add(ACE ace, int id)
{
if (hash != 0)
{
throw new Exception("ACL.Add(,) not allowed after Seal().");
}
if (list.TryGetValue(id, out ACE value))
{
if (!value.Equals(ace))
{
throw new Exception("ACL.Add(,) AceID and ACE inconsistent.");
}
}
else
{
list.Add(id, ace);
}
}
private int _UnsafeAddId(ACE ace)
{
var aceid = ace.AceID;
aceList.Add(ace, aceid);
if (idList.TryAdd(aceid, ace))
{
}
else
{
throw new ArgumentException($"@ ACESet.GetID Cannot add Duplicate ACE {ace}");
}
if (aceid > maxID)
{
maxID = aceid;
}
return(ace.AceID);
}
