/// <summary>
/// Add an ACE to the DACL, creating the DACL if needed.
/// </summary>
/// <param name="ace">The ACE to add to the DACL.</param>
public void AddAce(Ace ace)
{
if (Dacl == null)
{
Dacl = new Acl();
}
Dacl.NullAcl = false;
Dacl.Add(ace);
}
/// <summary>
/// Clone this ACE.
/// </summary>
/// <returns>The cloned ACE.</returns>
public Ace Clone()
{
Ace ace = (Ace)this.MemberwiseClone();
if (ace.ApplicationData != null)
{
ace.ApplicationData = (byte[])ace.ApplicationData.Clone();
}
return(ace);
}
internal static Ace CreateAceFromReader(BinaryReader reader)
{
long current_position = reader.BaseStream.Position;
AceType type = (AceType)reader.ReadByte();
Ace ace;
switch (type)
{
case AceType.MandatoryLabel:
ace = new MandatoryLabelAce();
break;
default:
ace = new Ace(type);
break;
}
ace.Flags = MapToFlags(type, reader.ReadByte());
int ace_size = reader.ReadUInt16();
ace.Mask = reader.ReadUInt32();
if (ace.IsObjectAce)
{
ObjectAceFlags flags = (ObjectAceFlags)reader.ReadUInt32();
if ((flags & ObjectAceFlags.ObjectTypePresent) != 0)
{
ace.ObjectType = new Guid(reader.ReadAllBytes(16));
}
if ((flags & ObjectAceFlags.InheritedObjectTypePresent) != 0)
{
ace.InheritedObjectType = new Guid(reader.ReadAllBytes(16));
}
}
if (type == AceType.AllowedCompound)
{
// Read out compound ace type.
ace.CompoundAceType = (CompoundAceType)reader.ReadUInt16();
// Reserved.
reader.ReadInt16();
ace.ServerSid = new Sid(reader);
}
ace.Sid = new Sid(reader);
int bytes_used = (int)(reader.BaseStream.Position - current_position);
ace.ApplicationData = reader.ReadAllBytes(ace_size - bytes_used);
return(ace);
}
/// <summary>
/// Compare ACE to another object.
/// </summary>
/// <param name="obj">The other object.</param>
/// <returns>True if the other object equals this ACE</returns>
public override bool Equals(object obj)
{
if (object.ReferenceEquals(obj, this))
{
return(true);
}
Ace ace = obj as Ace;
if (ace == null)
{
return(false);
}
return(ace.Type == Type && ace.Flags == Flags && ace.Sid == Sid && ace.Mask == Mask &&
ace.ObjectType == ObjectType && ace.InheritedObjectType == InheritedObjectType);
}
/// <summary>
/// Compare ACE to another object.
/// </summary>
/// <param name="obj">The other object.</param>
/// <returns>True if the other object equals this ACE</returns>
public override bool Equals(object obj)
{
if (ReferenceEquals(obj, this))
{
return(true);
}
Ace ace = obj as Ace;
if (ace == null)
{
return(false);
}
return(ace.Type == Type && ace.Flags == Flags && ace.Sid == Sid && ace.Mask == Mask &&
ace.ObjectType == ObjectType && ace.InheritedObjectType == InheritedObjectType &&
ace.ServerSid == ServerSid && NtObjectUtils.EqualByteArray(ApplicationData, ace.ApplicationData));
}
/// <summary>
/// Add mandatory integrity label to SACL
/// </summary>
/// <param name="label">The integrity label SID</param>
/// <param name="flags">The ACE flags.</param>
/// <param name="policy">The mandatory label policy</param>
public void AddMandatoryLabel(Sid label, AceFlags flags, MandatoryLabelPolicy policy)
{
MandatoryLabel = new Ace(AceType.MandatoryLabel, flags, policy, label);
}
