public Acl(Acl existingAcl, int newSize)
: this(newSize)
{
this.AddRange(0, existingAcl);
}
private void SwapDacl(Acl dacl)
{
BaseObject.SwapRef <Acl>(ref _dacl, dacl);
}
private void SwapSacl(Acl sacl)
{
BaseObject.SwapRef <Acl>(ref _sacl, sacl);
}
private void Read()
{
NtStatus status;
bool present, defaulted;
IntPtr dacl, group, owner, sacl;
// Read the DACL.
if ((status = Win32.RtlGetDaclSecurityDescriptor(
this,
out present,
out dacl,
out defaulted
)) >= NtStatus.Error)
{
Win32.Throw(status);
}
if (present && dacl != IntPtr.Zero)
{
this.SwapDacl(new Acl(Acl.FromPointer(dacl)));
}
else
{
this.SwapDacl(null);
}
// Read the SACL.
if ((status = Win32.RtlGetSaclSecurityDescriptor(
this,
out present,
out sacl,
out defaulted
)) >= NtStatus.Error)
{
Win32.Throw(status);
}
if (present && sacl != IntPtr.Zero)
{
this.SwapSacl(new Acl(Acl.FromPointer(sacl)));
}
else
{
this.SwapSacl(null);
}
// Read the group.
if ((status = Win32.RtlGetGroupSecurityDescriptor(
this,
out group,
out defaulted
)) >= NtStatus.Error)
{
Win32.Throw(status);
}
if (group != IntPtr.Zero)
{
this.SwapGroup(new Sid(group));
}
else
{
this.SwapGroup(null);
}
// Read the owner.
if ((status = Win32.RtlGetOwnerSecurityDescriptor(
this,
out owner,
out defaulted
)) >= NtStatus.Error)
{
Win32.Throw(status);
}
if (owner != IntPtr.Zero)
{
this.SwapOwner(new Sid(owner));
}
else
{
this.SwapOwner(null);
}
}
