1/*
2 * Copyright (c) 2000-2006,2011,2014 Apple Inc. All Rights Reserved.
3 *
4 * @APPLE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. Please obtain a copy of the License at
10 * http://www.opensource.apple.com/apsl/ and read it before using this
11 * file.
12 *
13 * The Original Code and all software distributed under the License are
14 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
15 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
16 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
18 * Please see the License for the specific language governing rights and
19 * limitations under the License.
20 *
21 * @APPLE_LICENSE_HEADER_END@
22 */
23
24
25//
26// acl_comment - "ignore" ACL subject type
27//
28// This ACL subject is a historical mistake. It has no use in present applications,
29// and remains only to support existing keychains with their already-baked item ACLs.
30// Do not use this for new applications of ANY kind.
31//
32// A CommentAclSubject always fails to verify.
33// See further (mis-)usage comments in the .cpp.
34//
35#ifndef _ACL_COMMENT
36#define _ACL_COMMENT
37
38#include <security_cdsa_utilities/cssmacl.h>
39
40
41namespace Security
42{
43
44//
45// The ANY subject simply matches everything. No sweat.
46//
47class CommentAclSubject : public AclSubject {
48public:
49	CommentAclSubject()
50	: AclSubject(CSSM_ACL_SUBJECT_TYPE_COMMENT) { }
51
52	bool validate(const AclValidationContext &ctx) const;
53	CssmList toList(Allocator &alloc) const;
54
55    void exportBlob(Writer::Counter &pub, Writer::Counter &priv);
56    void exportBlob(Writer &pub, Writer &priv);
57
58	class Maker : public AclSubject::Maker {
59	public:
60		Maker() : AclSubject::Maker(CSSM_ACL_SUBJECT_TYPE_COMMENT) { }
61		CommentAclSubject *make(const TypedList &list) const;
62    	CommentAclSubject *make(Version, Reader &pub, Reader &priv) const;
63	};
64
65	IFDUMP(void debugDump() const);
66};
67
68} // end namespace Security
69
70
71#endif //_ACL_COMMENT
72