/// <summary>
/// The constructor
/// </summary>
/// <param name="binary">The input binary</param>
/// <param name="offset">The offset in the binary</param>
public _NonObjectAce(byte[] binary, int offset) : base(binary, offset)
{
int length = BitConverter.ToUInt16(binary, offset + 2);
if (offset > binary.Length - length)
{
throw new ArgumentException(nameof(offset));
}
if (length < 8 + DtypUtility.MinLengthOfSecurityIdentifier)
{
throw new ArgumentException(nameof(length));
}
_AccessMask = BitConverter.ToInt32(binary, offset + 4);
_SecurityIdentifier = new _SecurityIdentifier(binary, offset + 8);
int dataLength = length - (8 + _SecurityIdentifier.Size);
if (dataLength > 0)// If there is still other application data exists
{
this.applicationData = new byte[dataLength];
Array.Copy(binary, offset + 8 + _SecurityIdentifier.Size, this.applicationData, 0, dataLength);
}
}
/// <summary>
/// the constructor
/// </summary>
/// <param name="flags">the security descriptor control flag</param>
/// <param name="owner">the owner sid</param>
/// <param name="group">the group sid</param>
/// <param name="sacl">the sacl</param>
/// <param name="dacl">the dacl</param>
public _RawSecurityDescriptor(SECURITY_DESCRIPTOR_Control flags,
_SecurityIdentifier owner,
_SecurityIdentifier group,
_RawAcl sacl,
_RawAcl dacl)
{
controlFlags = flags;
ownerSid = owner;
groupSid = group;
this.sacl = sacl;
this.dacl = dacl;
}
/// <summary>
/// the constructor
/// </summary>
/// <param name="binary">the input binary</param>
/// <param name="offset">the offset in the binary</param>
public _RawSecurityDescriptor(byte[] binary, int offset)
{
if (binary == null)
{
throw new ArgumentNullException(nameof(binary));
}
if (offset < 0 || offset > binary.Length - 0x14)
{
throw new ArgumentOutOfRangeException(nameof(offset));
}
controlFlags = (SECURITY_DESCRIPTOR_Control)BitConverter.ToUInt16(binary, offset + 0x02);
//Get owner sid
int ownerStart = BitConverter.ToInt32(binary, offset + 0x04);
if (ownerStart != 0)
{
ownerSid = new _SecurityIdentifier(binary, ownerStart);
}
//Get group sid
int groupStart = BitConverter.ToInt32(binary, offset + 0x08);
if (groupStart != 0)
{
groupSid = new _SecurityIdentifier(binary, groupStart);
}
//Get sacl
int saclStart = BitConverter.ToInt32(binary, offset + 0x0C);
if (saclStart != 0)
{
sacl = new _RawAcl(binary, saclStart);
}
//Get dacl
int daclStart = BitConverter.ToInt32(binary, offset + 0x10);
if (daclStart != 0)
{
dacl = new _RawAcl(binary, daclStart);
}
}
/// <summary>
/// The constructor
/// </summary>
/// <param name="binary">The input binary</param>
/// <param name="offset">The offset in the binary</param>
public _ObjectAce(byte[] binary, int offset) : base(binary, offset)
{
int length = BitConverter.ToUInt16(binary, offset + 2);
if (offset > binary.Length - length)
{
throw new ArgumentException(nameof(offset));
}
_AccessMask = BitConverter.ToInt32(binary, offset + 4);
ObjectFlags = (_ObjectAceFlags)BitConverter.ToInt32(binary, offset + 8);
int pointer = 12;
if (ObjectFlags.HasFlag(_ObjectAceFlags.ObjectAceTypePresent))
{
ObjectType = DtypUtility.ReadGuid(binary, offset + pointer);
pointer += 16;
}
if (ObjectFlags.HasFlag(_ObjectAceFlags.InheritedObjectAceTypePresent))
{
InheritedObjectType = DtypUtility.ReadGuid(binary, offset + pointer);
pointer += 16;
}
_SecurityIdentifier = new _SecurityIdentifier(binary, offset + pointer);
pointer += _SecurityIdentifier.Size;
int appDataLength = length - pointer;
if (appDataLength > 0)
{
this.applicationData = new byte[appDataLength];
Array.Copy(binary, offset + pointer, this.applicationData, 0, appDataLength);
}
}
