libsecurity_cdsa_utilities/lib/acl_comment.h

   1 /*
   2  * Copyright (c) 2000-2006 Apple Computer, 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
  41 namespace Security
  42 {
  43
  44 //
  45 // The ANY subject simply matches everything. No sweat.
  46 //
  47 class CommentAclSubject : public AclSubject {
  48 public:
  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