projects / apple / security.git / blame
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| b1ab9ed8 A |
1 | /* |
| 2 | * Copyright (c) 2006-2007 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 | // reqinterp - Requirement language (exprOp) interpreter | |
| 26 | // | |
| 27 | #ifndef _H_REQINTERP | |
| 28 | #define _H_REQINTERP | |
| 29 | ||
| 30 | #include <security_codesigning/reqreader.h> | |
| 31 | #include <Security/SecTrustSettings.h> | |
| 32 | #include <security_cdsa_utilities/cssmdata.h> // CssmOid | |
| 33 | ||
| 34 | namespace Security { | |
| 35 | namespace CodeSigning { | |
| 36 | ||
| 37 | ||
| 38 | // | |
| 39 | // An interpreter for exprForm-type requirements. | |
| 40 | // This is a simple Polish Notation stack evaluator. | |
| 41 | // | |
| 42 | class Requirement::Interpreter : public Requirement::Reader { | |
| 43 | public: | |
| 44 | Interpreter(const Requirement *req, const Context *ctx) : Reader(req), mContext(ctx) { } | |
| 45 | ||
| 46 | bool evaluate(); | |
| 47 | ||
| 48 | protected: | |
| 49 | class Match { | |
| 50 | public: | |
| 51 | Match(Interpreter &interp); // reads match postfix from interp | |
| 52 | Match(CFStringRef value, MatchOperation op) : mValue(value), mOp(op) { } // explicit | |
| 53 | Match() : mValue(NULL), mOp(matchExists) { } // explict test for presence | |
| 54 | bool operator () (CFTypeRef candidate) const; // match to candidate | |
| 55 | ||
| 56 | protected: | |
| 57 | bool inequality(CFTypeRef candidate, CFStringCompareFlags flags, CFComparisonResult outcome, bool negate) const; | |
| 58 | ||
| 59 | private: | |
| 60 | CFCopyRef<CFStringRef> mValue; // match value | |
| 61 | MatchOperation mOp; // type of match | |
| 62 | }; | |
| 63 | ||
| 64 | protected: | |
| 65 | bool infoKeyValue(const std::string &key, const Match &match); | |
| 66 | bool entitlementValue(const std::string &key, const Match &match); | |
| 67 | bool certFieldValue(const string &key, const Match &match, SecCertificateRef cert); | |
| 68 | bool certFieldGeneric(const string &key, const Match &match, SecCertificateRef cert); | |
| 69 | bool certFieldGeneric(const CssmOid &oid, const Match &match, SecCertificateRef cert); | |
| 70 | bool certFieldPolicy(const string &key, const Match &match, SecCertificateRef cert); | |
| 71 | bool certFieldPolicy(const CssmOid &oid, const Match &match, SecCertificateRef cert); | |
| 72 | bool verifyAnchor(SecCertificateRef cert, const unsigned char *digest); | |
| 73 | bool appleSigned(); | |
| 74 | bool appleAnchored(); | |
| 75 | bool trustedCerts(); | |
| 76 | bool trustedCert(int slot); | |
| 77 | ||
| 78 | static SecTrustSettingsResult trustSetting(SecCertificateRef cert, bool isAnchor); | |
| 79 | ||
| 80 | private: | |
| 81 | const Context * const mContext; | |
| 82 | }; | |
| 83 | ||
| 84 | ||
| 85 | } // CodeSigning | |
| 86 | } // Security | |
| 87 | ||
| 88 | #endif //_H_REQINTERP |