Security/libsecurity_keychain/lib/StorageManager.h

   1 /*
   2  * Copyright (c) 2000-2012 Apple Inc. All Rights Reserved.
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   6  * This file contains Original Code and/or Modifications of Original Code
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   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
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  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
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  23
  24
  25 //
  26 // StorageManager.h -- Working with multiple keychains
  27 //
  28 #ifndef _SECURITY_STORAGEMANAGER_H_
  29 #define _SECURITY_STORAGEMANAGER_H_
  30
  31 #include <list>
  32 #include <set>
  33 #include <security_keychain/DLDBListCFPref.h>
  34 #include <security_keychain/DynamicDLDBList.h>
  35 #include <security_keychain/Keychains.h>
  36 #include <security_keychain/KeyItem.h>
  37 #include <Security/Authorization.h>
  38
  39 #define kLegacyKeychainRenamedSuffix    "_renamed"
  40 #define kKeychainRenamedSuffix          "_renamed_"
  41
  42 namespace Security
  43 {
  44
  45 namespace KeychainCore
  46 {
  47
  48 class StorageManager
  49 {
  50     NOCOPY(StorageManager)
  51 public:
  52     typedef vector<Keychain> KeychainList;
  53         typedef vector<DLDbIdentifier> DLDbList;
  54
  55         StorageManager();
  56     ~StorageManager() {}
  57
  58         Mutex* getStorageManagerMutex();
  59
  60     //bool onlist(const Keychain & keychain);
  61
  62     // These will call addAndNotify() if the specified keychain already exists
  63         Keychain make(const char *fullPathName);
  64     Keychain make(const char *fullPathName, bool add);
  65     Keychain makeLoginAuthUI(const Item *item);
  66     void created(const Keychain &keychain); // Be notified a Keychain just got created.
  67
  68         // Misc
  69     void lockAll();
  70
  71     void add(const Keychain& keychainToAdd); // Only add if not there yet.  Doesn't write out CFPref
  72
  73     // Vector-like methods.
  74         size_t size();
  75         Keychain at(unsigned int ix);
  76         Keychain operator[](unsigned int ix);
  77
  78         KCCursor createCursor(const SecKeychainAttributeList *attrList);
  79         KCCursor createCursor(SecItemClass itemClass, const SecKeychainAttributeList *attrList);
  80
  81         // Lookup a keychain object in the cache.  If it doesn't exist, create a
  82         // new one and add to cache. Doesn't modify search lists.
  83         // Note this doesn't create an actual database just a reference to one
  84         // that may or may not exist.
  85     Keychain keychain(const DLDbIdentifier &dLDbIdentifier);
  86
  87         // Remove a keychain from the cache if it's in it.
  88         void removeKeychain(const DLDbIdentifier &dLDbIdentifier, KeychainImpl *keychainImpl);
  89         // Be notified a (smart card) keychain was removed.
  90         void didRemoveKeychain(const DLDbIdentifier &dLDbIdentifier);
  91
  92         // Create KC if it doesn't exist, add it to the search list if it exists and is not already on it.
  93     Keychain makeKeychain(const DLDbIdentifier &dLDbIdentifier, bool add = true);
  94
  95
  96         // Keychain list maintenance
  97
  98         // remove kcsToRemove from the search list
  99         void remove(const KeychainList &kcsToRemove, bool deleteDb = false);
 100
 101         void getSearchList(KeychainList &keychainList);
 102         void setSearchList(const KeychainList &keychainList);
 103         void forceUserSearchListReread ();
 104
 105         void getSearchList(SecPreferencesDomain domain, KeychainList &keychainList);
 106         void setSearchList(SecPreferencesDomain domain, const KeychainList &keychainList);
 107
 108     void rename(Keychain keychain, const char* newName);
 109     void renameUnique(Keychain keychain, CFStringRef newName);
 110
 111         // Iff keychainOrArray is NULL return the default KeychainList in keychainList otherwise
 112         // if keychainOrArray is a CFArrayRef containing SecKeychainRef's convernt it to KeychainList,
 113         // if keychainOrArray is a SecKeychainRef return a KeychainList with one element.
 114         void optionalSearchList(CFTypeRef keychainOrArray, KeychainList &keychainList);
 115
 116         // Convert CFArrayRef of SecKeychainRef's a KeychainList.  The array must not be NULL
 117         static void convertToKeychainList(CFArrayRef keychainArray, KeychainList &keychainList);
 118
 119         // Convert KeychainList to a CFArrayRef of SecKeychainRef's.
 120         static CFArrayRef convertFromKeychainList(const KeychainList &keychainList);
 121
 122         // Login keychain support
 123     void login(AuthorizationRef authRef, UInt32 nameLength, const char* name);
 124         void login(ConstStringPtr name, ConstStringPtr password);
 125         void login(UInt32 nameLength, const void *name, UInt32 passwordLength, const void *password);
 126     void stashLogin();
 127     void stashKeychain();
 128         void logout();
 129         void changeLoginPassword(ConstStringPtr oldPassword, ConstStringPtr newPassword);
 130         void changeLoginPassword(UInt32 oldPasswordLength, const void *oldPassword,  UInt32 newPasswordLength, const void *newPassword);
 131
 132     void resetKeychain(Boolean resetSearchList);
 133
 134         Keychain defaultKeychain();
 135     Keychain defaultKeychainUI(Item &item);
 136         void defaultKeychain(const Keychain &keychain);
 137
 138         Keychain loginKeychain();
 139         void loginKeychain(Keychain keychain);
 140
 141         Keychain defaultKeychain(SecPreferencesDomain domain);
 142         void defaultKeychain(SecPreferencesDomain domain, const Keychain &keychain);
 143
 144         SecPreferencesDomain domain() { return mDomain; }
 145         void domain(SecPreferencesDomain newDomain);
 146
 147         bool keychainOwnerPermissionsValidForDomain(const char* path, SecPreferencesDomain domain);
 148
 149         // non-file based Keychain manipulation
 150         void addToDomainList(SecPreferencesDomain domain, const char* dbName, const CSSM_GUID &guid, uint32 subServiceType);
 151         void isInDomainList(SecPreferencesDomain domain, const char* dbName, const CSSM_GUID &guid, uint32 subServiceType);
 152         void removeFromDomainList(SecPreferencesDomain domain, const char* dbName, const CSSM_GUID &guid, uint32 subServiceType);
 153
 154 private:
 155         static void convertList(DLDbList &ids, const KeychainList &kcs);
 156         void convertList(KeychainList &kcs, const DLDbList &ids);
 157
 158     // Only add if not there yet.  Writes out CFPref and broadcasts KCPrefListChanged notification
 159         void addAndNotify(const Keychain& keychainToAdd);
 160
 161         // remove a keychain from the sync list
 162         void removeKeychainFromSyncList (const DLDbIdentifier &id);
 163
 164     typedef map<DLDbIdentifier, __weak KeychainImpl *> KeychainMap;
 165         // Weak reference map of all keychains we know about that aren't deleted
 166         // or removed
 167     KeychainMap mKeychains;
 168
 169         // The dynamic search list.
 170         DynamicDLDBList mDynamicList;
 171
 172         DLDbListCFPref mSavedList;
 173         DLDbListCFPref mCommonList;
 174         SecPreferencesDomain mDomain; // current domain (in mSavedList and cache fields)
 175         Mutex mMutex;
 176         RecursiveMutex mKeychainMapMutex;
 177 };
 178
 179 } // end namespace KeychainCore
 180
 181 } // end namespace Security
 182
 183 #endif // !_SECURITY_STORAGEMANAGER_H_