keychain/SecureObjectSync/SOSPersist.h

   1 /*
   2  * Copyright (c) 2016 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  * SOSPersist.h -- Utility routines for get/set in CFDictionary
  27  */
  28
  29 #ifndef _SOSPERSIST_H_
  30 #define _SOSPERSIST_H_
  31
  32 __BEGIN_DECLS
  33
  34 #include <utilities/SecCFRelease.h>
  35 #include <utilities/SecCFWrappers.h>
  36 #include <CoreFoundation/CoreFoundation.h>
  37
  38 #include <stdlib.h>
  39
  40 #include <AssertMacros.h>
  41
  42
  43 static inline bool SOSPeerGetPersistedBoolean(CFDictionaryRef persisted, CFStringRef key) {
  44     CFBooleanRef boolean = CFDictionaryGetValue(persisted, key);
  45     return boolean && CFBooleanGetValue(boolean);
  46 }
  47
  48 static inline CFDataRef SOSPeerGetPersistedData(CFDictionaryRef persisted, CFStringRef key) {
  49     return asData(CFDictionaryGetValue(persisted, key), NULL);
  50 }
  51
  52 static inline int64_t SOSPeerGetPersistedInt64(CFDictionaryRef persisted, CFStringRef key) {
  53     int64_t integer = 0;
  54     CFNumberRef number = CFDictionaryGetValue(persisted, key);
  55     if (number) {
  56         CFNumberGetValue(number, kCFNumberSInt64Type, &integer);
  57     }
  58     return integer;
  59 }
  60
  61 static inline bool SOSPeerGetOptionalPersistedCFIndex(CFDictionaryRef persisted, CFStringRef key, CFIndex *value) {
  62     bool exists = false;
  63     CFNumberRef number = CFDictionaryGetValue(persisted, key);
  64     if (number) {
  65         exists = true;
  66         CFNumberGetValue(number, kCFNumberCFIndexType, value);
  67     }
  68     return exists;
  69 }
  70
  71 static inline void SOSPersistBool(CFMutableDictionaryRef persist, CFStringRef key, bool value) {
  72     CFDictionarySetValue(persist, key, value ? kCFBooleanTrue : kCFBooleanFalse);
  73 }
  74
  75 static inline void SOSPersistInt64(CFMutableDictionaryRef persist, CFStringRef key, int64_t value) {
  76     CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberSInt64Type, &value);
  77     CFDictionarySetValue(persist, key, number);
  78     CFReleaseSafe(number);
  79 }
  80
  81 static inline void SOSPersistCFIndex(CFMutableDictionaryRef persist, CFStringRef key, CFIndex value) {
  82     CFNumberRef number = CFNumberCreate(kCFAllocatorDefault, kCFNumberCFIndexType, &value);
  83     CFDictionarySetValue(persist, key, number);
  84     CFReleaseSafe(number);
  85 }
  86
  87 static inline void SOSPersistOptionalValue(CFMutableDictionaryRef persist, CFStringRef key, CFTypeRef value) {
  88     if (value)
  89         CFDictionarySetValue(persist, key, value);
  90 }
  91
  92 __END_DECLS
  93
  94 #endif /* !_SOSPERSIST_H_ */