OSX/sec/SOSCircle/SecureObjectSync/SOSAccountGetSet.m

   1 //
   2 //  SOSAccountGetSet.c
   3 //  Security
   4 //
   5 //
   6
   7 #include "SOSAccountPriv.h"
   8
   9 #include <utilities/SecCFWrappers.h>
  10
  11 #import <Security/SecureObjectSync/SOSAccountTrust.h>
  12 #import <Security/SecureObjectSync/SOSAccountTrustClassic.h>
  13
  14 //
  15 // MARK: Generic Value manipulation
  16 //
  17
  18 static inline bool SOSAccountEnsureExpansion(SOSAccount* account, CFErrorRef *error) {
  19
  20     if (!account.trust.expansion) {
  21         account.trust.expansion = [NSMutableDictionary dictionary];
  22     }
  23
  24     return SecAllocationError(((__bridge CFDictionaryRef)account.trust.expansion), error, CFSTR("Can't Alloc Account Expansion dictionary"));
  25 }
  26
  27 bool SOSAccountClearValue(SOSAccount* account, CFStringRef key, CFErrorRef *error) {
  28     bool success = SOSAccountEnsureExpansion(account, error);
  29     if(!success){
  30         return success;
  31     }
  32
  33     [account.trust.expansion removeObjectForKey: (__bridge NSString* _Nonnull)(key)];
  34
  35     return success;
  36 }
  37
  38 bool SOSAccountSetValue(SOSAccount* account, CFStringRef key, CFTypeRef value, CFErrorRef *error) {
  39     if (value == NULL) return SOSAccountClearValue(account, key, error);
  40
  41     bool success = SOSAccountEnsureExpansion(account, error);
  42     if(!success)
  43         return success;
  44
  45     [account.trust.expansion setObject:(__bridge id _Nonnull)(value) forKey:(__bridge NSString* _Nonnull)(key)];
  46
  47     return success;
  48 }
  49
  50 //
  51 // MARK: UUID
  52 CFStringRef SOSAccountCopyUUID(SOSAccount* account) {
  53     CFStringRef uuid = CFRetainSafe(asString(SOSAccountGetValue(account, kSOSAccountUUID, NULL), NULL));
  54     if (uuid == NULL) {
  55         CFUUIDRef newID = CFUUIDCreate(kCFAllocatorDefault);
  56         uuid = CFUUIDCreateString(kCFAllocatorDefault, newID);
  57
  58         CFErrorRef setError = NULL;
  59         if (!SOSAccountSetValue(account, kSOSAccountUUID, uuid, &setError)) {
  60             secerror("Failed to set UUID: %@ (%@)", uuid, setError);
  61         }
  62         CFReleaseNull(setError);
  63         CFReleaseNull(newID);
  64     }
  65     return uuid;
  66 }
  67
  68 void SOSAccountEnsureUUID(SOSAccount* account) {
  69     CFStringRef uuid = SOSAccountCopyUUID(account);
  70     CFReleaseNull(uuid);
  71 }
  72