lib/policydb.h

   1 /*
   2  * Copyright (c) 2011 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 #ifndef _H_POLICYDB
  24 #define _H_POLICYDB
  25
  26 #include <security_utilities/globalizer.h>
  27 #include <security_utilities/hashing.h>
  28 #include <security_utilities/sqlite++.h>
  29 #include <CoreFoundation/CoreFoundation.h>
  30
  31 namespace Security {
  32 namespace CodeSigning {
  33
  34
  35 namespace SQLite = SQLite3;
  36
  37
  38 static const char defaultDatabase[] = "/var/db/SystemPolicy";
  39 static const char visibleSecurityFlagFile[] = "/var/db/.sp_visible";
  40
  41
  42 typedef SHA1::SDigest ObjectHash;
  43
  44
  45 typedef uint AuthorityType;
  46 enum {
  47         kAuthorityInvalid = 0,                          // not a valid authority type
  48         kAuthorityExecute = 1,                          // authorizes launch and execution
  49         kAuthorityInstall = 2,                          // authorizes installation
  50         kAuthorityOpenDoc = 3,                          // authorizes opening of documents
  51 };
  52
  53
  54 //
  55 // An open policy database.
  56 // Usually read-only, but can be opened for write by privileged callers.
  57 // This is a translucent wrapper around SQLite::Database; the caller
  58 // is expected to work with statement rows.
  59 //
  60 class PolicyDatabase : public SQLite::Database {
  61 public:
  62         PolicyDatabase(const char *path = NULL, int flags = SQLITE_OPEN_READONLY);
  63         virtual ~PolicyDatabase();
  64
  65 public:
  66         bool checkCache(CFURLRef path, AuthorityType type, CFMutableDictionaryRef result);
  67
  68 public:
  69         void purge(const char *table);
  70 };
  71
  72
  73 //
  74 // Check the system-wide overriding flag file
  75 //
  76 bool overrideAssessment();
  77
  78
  79 } // end namespace CodeSigning
  80 } // end namespace Security
  81
  82 #endif //_H_POLICYDB