1/* 2 * Copyright (c) 2000-2004,2006,2011,2014 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_codesigning - ACL subject for signature of calling application 27// 28// Note: 29// Once upon a time, a code signature was a single binary blob, a "signature". 30// Then we added an optional second blob, a "comment". The comment was only 31// ancilliary (non-security) data first, but then we added more security data 32// to it later. Now, the security-relevant data is kept in a (signature, comment) 33// pair, all of which is relevant for the security of such subjects. 34// Don't read any particular semantics into this separation. It is historical only 35// (having to do with backward binary compatibility of ACL blobs). 36// 37#ifndef _H_ACL_CODESIGNING 38#define _H_ACL_CODESIGNING 39 40#include <security_cdsa_utilities/cssmdata.h> 41#include <security_cdsa_utilities/cssmacl.h> 42#include <security_cdsa_utilities/osxverifier.h> 43 44namespace Security { 45 46 47// 48// The CodeSignature subject type matches a code signature applied to the 49// disk image that originated the client process. 50// 51class CodeSignatureAclSubject : public AclSubject, public OSXVerifier { 52public: 53 class Maker; friend class Maker; 54 55 static const size_t commentBagAlignment = 4; 56 57 CodeSignatureAclSubject(const SHA1::Byte *hash, const std::string &path) 58 : AclSubject(CSSM_ACL_SUBJECT_TYPE_CODE_SIGNATURE), OSXVerifier(hash, path) { } 59 60 CodeSignatureAclSubject(const OSXVerifier &verifier) 61 : AclSubject(CSSM_ACL_SUBJECT_TYPE_CODE_SIGNATURE), OSXVerifier(verifier) { } 62 63 bool validate(const AclValidationContext &baseCtx) const; 64 CssmList toList(Allocator &alloc) const; 65 66 void exportBlob(Writer::Counter &pub, Writer::Counter &priv); 67 void exportBlob(Writer &pub, Writer &priv); 68 69 IFDUMP(void debugDump() const); 70 71public: 72 class Environment : public virtual AclValidationEnvironment { 73 public: 74 virtual bool verifyCodeSignature(const OSXVerifier &verifier, 75 const AclValidationContext &context) = 0; 76 }; 77 78public: 79 class Maker : public AclSubject::Maker { 80 public: 81 Maker() 82 : AclSubject::Maker(CSSM_ACL_SUBJECT_TYPE_CODE_SIGNATURE) { } 83 CodeSignatureAclSubject *make(const TypedList &list) const; 84 CodeSignatureAclSubject *make(Version version, Reader &pub, Reader &priv) const; 85 86 private: 87 CodeSignatureAclSubject *make(const SHA1::Byte *hash, const CssmData &commentBag) const; 88 }; 89}; 90 91} // end namespace Security 92 93 94 95#endif //_H_ACL_CODESIGNING 96