projects / apple / security.git / blame
| Commit | Line | Data |
|---|---|---|
| bac41a7b A |
1 | /* |
| 2 | * Copyright (c) 2000-2001 Apple Computer, Inc. All Rights Reserved. | |
| 3 | * | |
| 4 | * The contents of this file constitute Original Code as defined in and are | |
| 5 | * subject to the Apple Public Source License Version 1.2 (the 'License'). | |
| 6 | * You may not use this file except in compliance with the License. Please obtain | |
| 7 | * a copy of the License at http://www.apple.com/publicsource and read it before | |
| 8 | * using this file. | |
| 9 | * | |
| 10 | * This Original Code and all software distributed under the License are | |
| 11 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS | |
| 12 | * OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, INCLUDING WITHOUT | |
| 13 | * LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR | |
| 14 | * PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. Please see the License for the | |
| 15 | * specific language governing rights and limitations under the License. | |
| 16 | */ | |
| 17 | ||
| 18 | ||
| 19 | // | |
| 20 | // acl_comment - "ignore" ACL subject type | |
| 21 | // | |
| 22 | #include <Security/acl_comment.h> | |
| 23 | #include <Security/cssmwalkers.h> | |
| 24 | #include <Security/cssmlist.h> | |
| 25 | #include <algorithm> | |
| 26 | ||
| 27 | using namespace DataWalkers; | |
| 28 | ||
| 29 | ||
| 30 | // | |
| 31 | // The COMMENT subject matches nothing, no matter how pretty. | |
| 32 | // | |
| 33 | bool CommentAclSubject::validate(const AclValidationContext &) const | |
| 34 | { | |
| 35 | return false; | |
| 36 | } | |
| 37 | ||
| 38 | ||
| 39 | // | |
| 40 | // The toList function simply returns a copy of the preserved list. | |
| 41 | // The interface convention requires that we chunkCopy here. | |
| 42 | // | |
| 43 | CssmList CommentAclSubject::toList(CssmAllocator &alloc) const | |
| 44 | { | |
| 45 | CssmList result = CssmList::overlay(*mComment); | |
| 46 | ChunkCopyWalker w(alloc); | |
| 47 | walk(w, result); | |
| 48 | return result; | |
| 49 | } | |
| 50 | ||
| 51 | ||
| 52 | // | |
| 53 | // Construct-from-list makes a unified copy of the list. | |
| 54 | // | |
| 55 | CommentAclSubject *CommentAclSubject::Maker::make(const TypedList &list) const | |
| 56 | { | |
| 57 | const CSSM_LIST *baseList = &list; | |
| 58 | size_t commentSize = size(baseList); | |
| 59 | CSSM_LIST *comment = copy(baseList, CssmAllocator::standard(), commentSize); | |
| 60 | return new CommentAclSubject(comment, commentSize); | |
| 61 | } | |
| 62 | ||
| 29654253 | 63 | CommentAclSubject *CommentAclSubject::Maker::make(Version, Reader &pub, Reader &) const |
| bac41a7b A |
64 | { |
| 65 | CSSM_LIST *base; pub(base); // get original pointer base | |
| 66 | const void *data; uint32 length; pub.countedData(data, length); // data blob | |
| 67 | ||
| 68 | // copy the input blob into writable memory | |
| 69 | CSSM_LIST *list = CssmAllocator::standard().malloc<CSSM_LIST>(length); | |
| 70 | memcpy(list, data, length); | |
| 71 | ||
| 72 | // relocate it based on the base pointer we stored | |
| 73 | relocate(list, base); | |
| 74 | ||
| 75 | // good | |
| 76 | return new CommentAclSubject(list, length); | |
| 77 | } | |
| 78 | ||
| 79 | ||
| 80 | // | |
| 81 | // Export to blob form. | |
| 82 | // Since we store the list in unified form, this isn't very hard. Do try to figure | |
| 83 | // out how walkers work before messing with this code. | |
| 84 | // | |
| 85 | void CommentAclSubject::exportBlob(Writer::Counter &pub, Writer::Counter &) | |
| 86 | { | |
| 87 | pub(mComment); // yes, the pointer itself | |
| 88 | pub.countedData(mComment, mSize); | |
| 89 | } | |
| 90 | ||
| 91 | void CommentAclSubject::exportBlob(Writer &pub, Writer &) | |
| 92 | { | |
| 93 | pub(mComment); | |
| 94 | pub.countedData(mComment, mSize); | |
| 95 | } | |
| 96 |