keychain/SecureObjectSync/SOSTransportKeyParameter.m

   1
   2 #include "keychain/SecureObjectSync/SOSTransport.h"
   3 #include "keychain/SecureObjectSync/SOSTransportKeyParameter.h"
   4 #include "keychain/SecureObjectSync/SOSKVSKeys.h"
   5 #include "keychain/securityd/SOSCloudCircleServer.h"
   6 #include <utilities/SecCFWrappers.h>
   7 #include "keychain/SecureObjectSync/SOSAccountPriv.h"
   8 #include "keychain/SecureObjectSync/CKBridge/SOSCloudKeychainClient.h"
   9
  10 @implementation CKKeyParameter
  11
  12 @synthesize account = account;
  13
  14 -(bool) SOSTransportKeyParameterHandleKeyParameterChanges:(CKKeyParameter*) transport  data:(CFDataRef) data err:(CFErrorRef) error
  15 {
  16     return SOSAccountHandleParametersChange(account, data, &error);
  17 }
  18
  19 -(SOSAccount*) SOSTransportKeyParameterGetAccount:(CKKeyParameter*) transport
  20 {
  21     return account;
  22 }
  23
  24
  25 -(CFIndex) SOSTransportKeyParameterGetTransportType:(CKKeyParameter*) transport err:(CFErrorRef *)error
  26 {
  27     return kKVS;
  28 }
  29
  30
  31 -(void) SOSTransportKeyParameterHandleNewAccount:(CKKeyParameter*) transport acct:(SOSAccount*) acct
  32 {
  33     SOSAccountSetToNew(acct);
  34 }
  35
  36 -(id) initWithAccount:(SOSAccount*) acct
  37 {
  38     if ((self = [super init])) {
  39         self.account = acct;
  40         SOSRegisterTransportKeyParameter(self);
  41     }
  42     return self;
  43 }
  44
  45 -(bool) SOSTransportKeyParameterKVSAppendKeyInterests:(CKKeyParameter*)transport ak:(CFMutableArrayRef)alwaysKeys firstUnLock:(CFMutableArrayRef)afterFirstUnlockKeys unlocked:(CFMutableArrayRef) unlockedKeys err:(CFErrorRef *)error
  46 {
  47     CFArrayAppendValue(alwaysKeys, kSOSKVSKeyParametersKey);
  48
  49     return true;
  50 }
  51
  52 static bool SOSTransportKeyParameterKVSUpdateKVS(CFDictionaryRef changes, CFErrorRef *error){
  53     CloudKeychainReplyBlock log_error = ^(CFDictionaryRef returnedValues __unused, CFErrorRef block_error) {
  54         if (block_error) {
  55             secerror("Error putting: %@", block_error);
  56         }
  57     };
  58
  59     SOSCloudKeychainPutObjectsInCloud(changes, dispatch_get_global_queue(SOS_TRANSPORT_PRIORITY, 0), log_error);
  60     return true;
  61 }
  62
  63 -(bool) SOSTransportKeyParameterPublishCloudParameters:(CKKeyParameter*) transport data:(CFDataRef)newParameters err:(CFErrorRef*) error
  64 {
  65     if(newParameters) {
  66         secnotice("circleOps", "Publishing Cloud Parameters");
  67     } else {
  68         secnotice("circleOps", "Tried to publish nil Cloud Parameters");
  69         (void) SecRequirementError(newParameters != NULL, error, CFSTR("Tried to publish nil Cloud Parameters"));
  70         return false;
  71     }
  72
  73     bool waitForeverForSynchronization = true;
  74     CFDictionaryRef changes = NULL;
  75     CFDataRef timeData = NULL;
  76     CFMutableStringRef timeDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("["));
  77     CFAbsoluteTime currentTimeAndDate = CFAbsoluteTimeGetCurrent();
  78
  79     withStringOfAbsoluteTime(currentTimeAndDate, ^(CFStringRef decription) {
  80         CFStringAppend(timeDescription, decription);
  81     });
  82     CFStringAppend(timeDescription, CFSTR("]"));
  83
  84     timeData = CFStringCreateExternalRepresentation(NULL,timeDescription,
  85                                                     kCFStringEncodingUTF8, '?');
  86
  87     CFMutableDataRef timeAndKeyParametersMutable = CFDataCreateMutable(kCFAllocatorDefault, CFDataGetLength(timeData) + CFDataGetLength(newParameters));
  88     CFDataAppend(timeAndKeyParametersMutable, timeData);
  89     CFDataAppend(timeAndKeyParametersMutable, newParameters);
  90     CFDataRef timeAndKeyParameters = CFDataCreateCopy(kCFAllocatorDefault, timeAndKeyParametersMutable);
  91
  92     CFStringRef ourPeerID = (__bridge CFStringRef)account.peerID;
  93
  94     if(ourPeerID != NULL){
  95         CFStringRef keyParamKey = SOSLastKeyParametersPushedKeyCreateWithPeerID(ourPeerID);
  96
  97         changes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
  98                                                kSOSKVSKeyParametersKey, newParameters,
  99                                                keyParamKey, timeAndKeyParameters,
 100                                                NULL);
 101         CFReleaseNull(keyParamKey);
 102     }
 103     else
 104     {
 105         CFStringRef keyParamKeyWithAccount = SOSLastKeyParametersPushedKeyCreateWithAccountGestalt(account);
 106         changes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
 107                                                kSOSKVSKeyParametersKey, newParameters,
 108                                                keyParamKeyWithAccount, timeAndKeyParameters,
 109                                                NULL);
 110         CFReleaseNull(keyParamKeyWithAccount);
 111     }
 112     bool success = SOSTransportKeyParameterKVSUpdateKVS(changes, error);
 113
 114     sync_the_last_data_to_kvs((__bridge CFTypeRef)(account), waitForeverForSynchronization);
 115     CFReleaseNull(changes);
 116     CFReleaseNull(timeData);
 117     CFReleaseNull(timeAndKeyParameters);
 118     CFReleaseNull(timeAndKeyParametersMutable);
 119     CFReleaseNull(timeDescription);
 120
 121     return success;
 122 }
 123
 124 @end
 125