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     self  = [super init];
  39     if(self){
  40         self.account = acct;
  41         SOSRegisterTransportKeyParameter(self);
  42     }
  43     return self;
  44 }
  45
  46 -(bool) SOSTransportKeyParameterKVSAppendKeyInterests:(CKKeyParameter*)transport ak:(CFMutableArrayRef)alwaysKeys firstUnLock:(CFMutableArrayRef)afterFirstUnlockKeys unlocked:(CFMutableArrayRef) unlockedKeys err:(CFErrorRef *)error
  47 {
  48     CFArrayAppendValue(alwaysKeys, kSOSKVSKeyParametersKey);
  49
  50     return true;
  51 }
  52
  53 static bool SOSTransportKeyParameterKVSUpdateKVS(CFDictionaryRef changes, CFErrorRef *error){
  54     CloudKeychainReplyBlock log_error = ^(CFDictionaryRef returnedValues __unused, CFErrorRef block_error) {
  55         if (block_error) {
  56             secerror("Error putting: %@", block_error);
  57         }
  58     };
  59
  60     SOSCloudKeychainPutObjectsInCloud(changes, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), log_error);
  61     return true;
  62 }
  63
  64 -(bool) SOSTransportKeyParameterPublishCloudParameters:(CKKeyParameter*) transport data:(CFDataRef)newParameters err:(CFErrorRef*) error
  65 {
  66     if(newParameters) {
  67         secnotice("circleOps", "Publishing Cloud Parameters");
  68     } else {
  69         secnotice("circleOps", "Tried to publish nil Cloud Parameters");
  70         (void) SecRequirementError(newParameters != NULL, error, CFSTR("Tried to publish nil Cloud Parameters"));
  71         return false;
  72     }
  73
  74     bool waitForeverForSynchronization = true;
  75     CFDictionaryRef changes = NULL;
  76     CFDataRef timeData = NULL;
  77     CFMutableStringRef timeDescription = CFStringCreateMutableCopy(kCFAllocatorDefault, 0, CFSTR("["));
  78     CFAbsoluteTime currentTimeAndDate = CFAbsoluteTimeGetCurrent();
  79
  80     withStringOfAbsoluteTime(currentTimeAndDate, ^(CFStringRef decription) {
  81         CFStringAppend(timeDescription, decription);
  82     });
  83     CFStringAppend(timeDescription, CFSTR("]"));
  84
  85     timeData = CFStringCreateExternalRepresentation(NULL,timeDescription,
  86                                                     kCFStringEncodingUTF8, '?');
  87
  88     CFMutableDataRef timeAndKeyParametersMutable = CFDataCreateMutable(kCFAllocatorDefault, CFDataGetLength(timeData) + CFDataGetLength(newParameters));
  89     CFDataAppend(timeAndKeyParametersMutable, timeData);
  90     CFDataAppend(timeAndKeyParametersMutable, newParameters);
  91     CFDataRef timeAndKeyParameters = CFDataCreateCopy(kCFAllocatorDefault, timeAndKeyParametersMutable);
  92
  93     CFStringRef ourPeerID = (__bridge CFStringRef)account.peerID;
  94
  95     if(ourPeerID != NULL){
  96         CFStringRef keyParamKey = SOSLastKeyParametersPushedKeyCreateWithPeerID(ourPeerID);
  97
  98         changes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
  99                                                kSOSKVSKeyParametersKey, newParameters,
 100                                                keyParamKey, timeAndKeyParameters,
 101                                                NULL);
 102         CFReleaseNull(keyParamKey);
 103     }
 104     else
 105     {
 106         CFStringRef keyParamKeyWithAccount = SOSLastKeyParametersPushedKeyCreateWithAccountGestalt(account);
 107         changes = CFDictionaryCreateForCFTypes(kCFAllocatorDefault,
 108                                                kSOSKVSKeyParametersKey, newParameters,
 109                                                keyParamKeyWithAccount, timeAndKeyParameters,
 110                                                NULL);
 111         CFReleaseNull(keyParamKeyWithAccount);
 112     }
 113     bool success = SOSTransportKeyParameterKVSUpdateKVS(changes, error);
 114
 115     sync_the_last_data_to_kvs((__bridge CFTypeRef)(account), waitForeverForSynchronization);
 116     CFReleaseNull(changes);
 117     CFReleaseNull(timeData);
 118     CFReleaseNull(timeAndKeyParameters);
 119     CFReleaseNull(timeAndKeyParametersMutable);
 120     CFReleaseNull(timeDescription);
 121
 122     return success;
 123 }
 124
 125 @end
 126