/* * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. * * The contents of this file constitute Original Code as defined in and are * subject to the Apple Public Source License Version 1.2 (the 'License'). * You may not use this file except in compliance with the License. Please obtain * a copy of the License at http://www.apple.com/publicsource and read it before * using this file. * * This Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the * specific language governing rights and limitations under the License. */ // // acl_comment - "ignore" ACL subject type // #include <Security/acl_comment.h> #include <Security/cssmwalkers.h> #include <Security/cssmlist.h> #include <algorithm> using namespace DataWalkers; // // The COMMENT subject matches nothing, no matter how pretty. // bool CommentAclSubject::validate(const AclValidationContext &) const { return false; } // // The toList function simply returns a copy of the preserved list. // The interface convention requires that we chunkCopy here. // CssmList CommentAclSubject::toList(CssmAllocator &alloc) const { CssmList result = CssmList::overlay(*mComment); ChunkCopyWalker w(alloc); walk(w, result); return result; } // // Construct-from-list makes a unified copy of the list. // CommentAclSubject *CommentAclSubject::Maker::make(const TypedList &list) const { const CSSM_LIST *baseList = &list; size_t commentSize = size(baseList); CSSM_LIST *comment = copy(baseList, CssmAllocator::standard(), commentSize); return new CommentAclSubject(comment, commentSize); } CommentAclSubject *CommentAclSubject::Maker::make(Version, Reader &pub, Reader &) const { CSSM_LIST *base; pub(base); // get original pointer base const void *data; uint32 length; pub.countedData(data, length); // data blob // copy the input blob into writable memory CSSM_LIST *list = CssmAllocator::standard().malloc<CSSM_LIST>(length); memcpy(list, data, length); // relocate it based on the base pointer we stored relocate(list, base); // good return new CommentAclSubject(list, length); } // // Export to blob form. // Since we store the list in unified form, this isn't very hard. Do try to figure // out how walkers work before messing with this code. // void CommentAclSubject::exportBlob(Writer::Counter &pub, Writer::Counter &) { pub(mComment); // yes, the pointer itself pub.countedData(mComment, mSize); } void CommentAclSubject::exportBlob(Writer &pub, Writer &) { pub(mComment); pub.countedData(mComment, mSize); }