libsecurity_keychain/lib/defaultcreds.h

   1 /*
   2  * Copyright (c) 2004 Apple Computer, 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 // defaultcreds - default computations for keychain open credentials
  26 //
  27 #ifndef _SECURITY_DEFAULTCREDS_H
  28 #define _SECURITY_DEFAULTCREDS_H
  29
  30 #include "SecBase.h"
  31 #include <security_cdsa_utilities/cssmcred.h>
  32 #include <security_utilities/trackingallocator.h>
  33 #include <security_cdsa_client/dlclient.h>
  34 #include <security_cdsa_client/dl_standard.h>
  35 #include <vector>
  36 #include <set>
  37
  38
  39 namespace Security {
  40 namespace KeychainCore {
  41
  42
  43 class Keychain;
  44 class KeychainImpl;
  45 class Item;
  46
  47
  48 //
  49 // DefaultCredentials is a self-constructing AccessCredentials variant
  50 // that performs the magic "where are ways to unlock this keychain?" search.
  51 //
  52 class DefaultCredentials : public TrackingAllocator, public AutoCredentials {
  53 public:
  54         DefaultCredentials(KeychainImpl *kcImpl, Allocator &alloc = Allocator::standard());
  55
  56         bool operator () (CssmClient::Db database);
  57
  58         void clear();
  59
  60 private:
  61         typedef vector<Keychain> KeychainList;
  62
  63         void keyReferral(const CssmClient::UnlockReferralRecord &ref);
  64         bool unlockKey(const CssmClient::UnlockReferralRecord &ref, const KeychainList &list);
  65
  66         KeychainList fallbackSearchList(const DLDbIdentifier &ident);
  67
  68 private:
  69         bool mMade;                                             // we did it already
  70         set<Item> mNeededItems;                 // Items we need to keep around for unlock use
  71         KeychainImpl *mKeychainImpl;
  72 };
  73
  74
  75 } // end namespace KeychainCore
  76 } // end namespace Security
  77
  78 #endif // !_SECURITY_DEFAULTCREDS_H