OSX/sec/SOSCircle/SecureObjectSync/SOSTransport.c

   1
   2 #include <Security/SecureObjectSync/SOSInternal.h>
   3 #include <Security/SecureObjectSync/SOSKVSKeys.h>
   4 #include <Security/SecureObjectSync/SOSAccountPriv.h>
   5 #include <Security/SecureObjectSync/SOSTransport.h>
   6 #include <Security/SecureObjectSync/SOSTransportKeyParameterKVS.h>
   7 #include <Security/SecureObjectSync/SOSTransportCircleKVS.h>
   8 #include <Security/SecureObjectSync/SOSTransportMessageKVS.h>
   9 #include <Security/SecureObjectSync/SOSTransportMessageIDS.h>
  10 #include <Security/SecureObjectSync/SOSTransportMessage.h>
  11 #include <Security/SecureObjectSync/SOSRing.h>
  12
  13 #include <SOSCloudKeychainClient.h>
  14 #include <utilities/debugging.h>
  15 #include <utilities/SecCFWrappers.h>
  16 #include <CoreFoundation/CFBase.h>
  17
  18 CFStringRef kKeyParameter = CFSTR("KeyParameter");
  19 CFStringRef kCircle = CFSTR("Circle");
  20 CFStringRef kMessage = CFSTR("Message");
  21 CFStringRef kAlwaysKeys = CFSTR("AlwaysKeys");
  22 CFStringRef kFirstUnlocked = CFSTR("FirstUnlockKeys");
  23 CFStringRef kUnlocked = CFSTR("UnlockedKeys");
  24 extern CFStringRef kSOSAccountDebugScope;
  25
  26 #define DATE_LENGTH 18
  27
  28 CFStringRef SOSInterestListCopyDescription(CFArrayRef interests)
  29 {
  30     CFMutableStringRef description = CFStringCreateMutable(kCFAllocatorDefault, 0);
  31     CFStringAppendFormat(description, NULL, CFSTR("<Interest: "));
  32
  33     if (interests) {
  34         CFArrayForEach(interests, ^(const void* string) {
  35             if (isString(string))
  36
  37                 CFStringAppendFormat(description, NULL, CFSTR(" '%@'"), string);
  38         });
  39     }
  40     CFStringAppend(description, CFSTR(">"));
  41
  42     return description;
  43 }
  44
  45
  46 //
  47 // MARK: Key Interest Processing
  48 //
  49
  50 CFGiblisGetSingleton(CFMutableArrayRef, SOSGetTransportMessages, sTransportMessages,  ^{
  51     *sTransportMessages = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
  52 });
  53
  54 CFGiblisGetSingleton(CFMutableArrayRef, SOSGetTransportKeyParameters, sTransportKeyParameters,  ^{
  55     *sTransportKeyParameters = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
  56 });
  57
  58 CFGiblisGetSingleton(CFMutableArrayRef, SOSGetTransportCircles, sTransportCircles,  ^{
  59     *sTransportCircles = CFArrayCreateMutable(kCFAllocatorDefault, 0, NULL);
  60 });
  61
  62
  63 void SOSRegisterTransportMessage(SOSTransportMessageRef additional) {
  64     CFArrayAppendValue(SOSGetTransportMessages(), additional);
  65 }
  66
  67 void SOSUnregisterTransportMessage(SOSTransportMessageRef removal) {
  68     CFArrayRemoveAllValue(SOSGetTransportMessages(), removal);
  69 }
  70
  71 void SOSUnregisterAllTransportMessages() {
  72     CFArrayRemoveAllValues(SOSGetTransportMessages());
  73 }
  74
  75 void SOSRegisterTransportCircle(SOSTransportCircleRef additional) {
  76     CFArrayAppendValue(SOSGetTransportCircles(), additional);
  77 }
  78
  79 void SOSUnregisterTransportCircle(SOSTransportCircleRef removal) {
  80     CFArrayRemoveAllValue(SOSGetTransportCircles(), removal);
  81 }
  82
  83 void SOSUnregisterAllTransportCircles() {
  84     CFArrayRemoveAllValues(SOSGetTransportCircles());
  85 }
  86
  87 void SOSRegisterTransportKeyParameter(SOSTransportKeyParameterRef additional) {
  88     CFArrayAppendValue(SOSGetTransportKeyParameters(), additional);
  89 }
  90
  91 void SOSUnregisterTransportKeyParameter(SOSTransportKeyParameterRef removal) {
  92     CFArrayRemoveAllValue(SOSGetTransportKeyParameters(), removal);
  93 }
  94
  95 void SOSUnregisterAllTransportKeyParameters() {
  96     CFArrayRemoveAllValues(SOSGetTransportKeyParameters());
  97 }
  98
  99 //
 100 // Should we be dispatching back to our queue to handle later
 101 //
 102 void SOSUpdateKeyInterest(SOSAccountRef account)
 103 {
 104     CFMutableArrayRef alwaysKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 105     CFMutableArrayRef afterFirstUnlockKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 106     CFMutableArrayRef whenUnlockedKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 107     CFMutableDictionaryRef keyDict = CFDictionaryCreateMutableForCFTypes (kCFAllocatorDefault);
 108
 109     CFArrayForEach(SOSGetTransportKeyParameters(), ^(const void *value) {
 110         SOSTransportKeyParameterRef tKP = (SOSTransportKeyParameterRef) value;
 111         if (SOSTransportKeyParameterGetAccount(tKP) == account && SOSTransportKeyParameterGetTransportType(tKP, NULL) == kKVS) {
 112             SOSTransportKeyParameterKVSRef tkvs = (SOSTransportKeyParameterKVSRef) value;
 113             CFErrorRef localError = NULL;
 114
 115             if (!SOSTransportKeyParameterKVSAppendKeyInterests(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)) {
 116                 secerror("Error getting key parameters interests %@", localError);
 117             }
 118             CFReleaseNull(localError);
 119         }
 120     });
 121     CFMutableDictionaryRef keyParamsDict = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 122     CFDictionarySetValue(keyParamsDict, kAlwaysKeys, alwaysKeys);
 123     CFDictionarySetValue(keyParamsDict, kFirstUnlocked, afterFirstUnlockKeys);
 124     CFDictionarySetValue(keyParamsDict, kUnlocked, whenUnlockedKeys);
 125     CFDictionarySetValue(keyDict, kKeyParameter, keyParamsDict);
 126
 127     CFReleaseNull(alwaysKeys);
 128     CFReleaseNull(afterFirstUnlockKeys);
 129     CFReleaseNull(whenUnlockedKeys);
 130     alwaysKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 131     afterFirstUnlockKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 132     whenUnlockedKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 133
 134     CFArrayForEach(SOSGetTransportCircles(), ^(const void *value) {
 135         if (SOSTransportCircleGetAccount((SOSTransportCircleRef)value) == account && SOSTransportCircleGetTransportType((SOSTransportCircleRef)value, NULL) == kKVS) {
 136             SOSTransportCircleKVSRef tkvs = (SOSTransportCircleKVSRef) value;
 137             CFErrorRef localError = NULL;
 138
 139             if(!SOSTransportCircleKVSAppendKeyInterest(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)){
 140                 secerror("Error getting circle interests %@", localError);
 141             }
 142             if(!SOSTransportCircleKVSAppendPeerInfoKeyInterest(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)){
 143                 secerror("Error getting peer info interests %@", localError);
 144             }
 145             if(!SOSTransportCircleKVSAppendRingKeyInterest(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)){
 146                 secerror("Error getting ring interests %@", localError);
 147             }
 148             if(!SOSTransportCircleKVSAppendDebugKeyInterest(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)){
 149                 secerror("Error getting debug key interests %@", localError);
 150             }
 151             CFReleaseNull(localError);
 152         }
 153
 154     });
 155     CFMutableDictionaryRef circleDict = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 156     CFDictionarySetValue(circleDict, kAlwaysKeys, alwaysKeys);
 157     CFDictionarySetValue(circleDict, kFirstUnlocked, afterFirstUnlockKeys);
 158     CFDictionarySetValue(circleDict, kUnlocked, whenUnlockedKeys);
 159     CFDictionarySetValue(keyDict, kCircle, circleDict);
 160
 161     CFReleaseNull(alwaysKeys);
 162     CFReleaseNull(afterFirstUnlockKeys);
 163     CFReleaseNull(whenUnlockedKeys);
 164     alwaysKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 165     afterFirstUnlockKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 166     whenUnlockedKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 167
 168     CFArrayForEach(SOSGetTransportMessages(), ^(const void *value) {
 169         if (SOSTransportMessageGetAccount((SOSTransportMessageRef) value) == account && SOSTransportMessageGetTransportType((SOSTransportMessageRef) value, NULL) == kKVS) {
 170             SOSTransportMessageKVSRef tkvs = (SOSTransportMessageKVSRef) value;
 171             CFErrorRef localError = NULL;
 172
 173             if(!SOSTransportMessageKVSAppendKeyInterest(tkvs, alwaysKeys, afterFirstUnlockKeys, whenUnlockedKeys, &localError)){
 174                 secerror("Error getting message interests %@", localError);
 175             }
 176             CFReleaseNull(localError);
 177         }
 178     });
 179
 180     CFMutableDictionaryRef messageDict = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 181     CFDictionarySetValue(messageDict, kAlwaysKeys, alwaysKeys);
 182     CFDictionarySetValue(messageDict, kFirstUnlocked, afterFirstUnlockKeys);
 183     CFDictionarySetValue(messageDict, kUnlocked, whenUnlockedKeys);
 184     CFDictionarySetValue(keyDict, kMessage, messageDict);
 185
 186     //
 187     // Log what we are about to do.
 188     //
 189     secnotice("key-interests", "Updating interests: %@", keyDict);
 190
 191     CFStringRef uuid = SOSAccountCopyUUID(account);
 192     SOSCloudKeychainUpdateKeys(keyDict, uuid, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^(CFDictionaryRef returnedValues, CFErrorRef error) {
 193         if (error) {
 194             secerror("Error updating keys: %@", error);
 195         }
 196     });
 197     CFReleaseNull(uuid);
 198
 199     CFReleaseNull(alwaysKeys);
 200     CFReleaseNull(afterFirstUnlockKeys);
 201     CFReleaseNull(whenUnlockedKeys);
 202     CFReleaseNull(keyParamsDict);
 203     CFReleaseNull(circleDict);
 204     CFReleaseNull(messageDict);
 205     CFReleaseNull(keyDict);
 206 }
 207
 208
 209 static void showWhatWasHandled(CFDictionaryRef updates, CFMutableArrayRef handledKeys) {
 210
 211     CFMutableStringRef updateStr = CFStringCreateMutable(kCFAllocatorDefault, 0);
 212     CFMutableStringRef handledKeysStr = CFStringCreateMutable(kCFAllocatorDefault, 0);
 213
 214     CFDictionaryForEach(updates, ^(const void *key, const void *value) {
 215         if (isString(key)) {
 216             CFStringAppendFormat(updateStr, NULL, CFSTR("%@ "), (CFStringRef)key);
 217         }
 218     });
 219     CFArrayForEach(handledKeys, ^(const void *value) {
 220         if (isString(value)) {
 221             CFStringAppendFormat(handledKeysStr, NULL, CFSTR("%@ "), (CFStringRef)value);
 222         }
 223     });
 224     secinfo("updates", "Updates [%ld]: %@", CFDictionaryGetCount(updates), updateStr);
 225     secinfo("updates", "Handled [%ld]: %@", CFArrayGetCount(handledKeys), handledKeysStr);
 226
 227     CFReleaseSafe(updateStr);
 228     CFReleaseSafe(handledKeysStr);
 229 }
 230
 231 #define KVS_STATE_INTERVAL 50
 232
 233 CF_RETURNS_RETAINED
 234 CFMutableArrayRef SOSTransportDispatchMessages(SOSAccountTransactionRef txn, CFDictionaryRef updates, CFErrorRef *error){
 235     SOSAccountRef account = txn->account;
 236
 237     CFMutableArrayRef handledKeys = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 238     CFStringRef dsid = NULL;
 239
 240     if(CFDictionaryGetValueIfPresent(updates, kSOSKVSAccountChangedKey, (const void**)&dsid)){
 241         secnotice("accountChange", "SOSTransportDispatchMessages received kSOSKVSAccountChangedKey");
 242
 243         // While changing accounts we may modify the key params array. To avoid stepping on ourselves we
 244         // copy the list for iteration.  Now modifying the transport outside of the list iteration.
 245         CFMutableArrayRef transportsToUse = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 246
 247         CFArrayForEach(SOSGetTransportKeyParameters(), ^(const void *value) {
 248             SOSTransportKeyParameterRef transport = (SOSTransportKeyParameterRef) value;
 249             if(CFEqualSafe(SOSTransportKeyParameterGetAccount(transport), account)){
 250                 CFArrayAppendValue(transportsToUse, transport);
 251             }
 252
 253         });
 254
 255         CFArrayForEach(transportsToUse, ^(const void *value) {
 256             SOSTransportKeyParameterRef tempTransport = (SOSTransportKeyParameterRef) value;
 257
 258             CFStringRef accountDSID = (CFStringRef)SOSAccountGetValue(account, kSOSDSIDKey, error);
 259
 260             if(accountDSID == NULL){
 261                 SOSTransportKeyParameterHandleNewAccount(tempTransport, account);
 262                 SOSAccountSetValue(account, kSOSDSIDKey, dsid, error);
 263                 secdebug("dsid", "Assigning new DSID: %@", dsid);
 264             } else if(accountDSID != NULL && CFStringCompare(accountDSID, dsid, 0) != 0 ) {
 265                 SOSTransportKeyParameterHandleNewAccount(tempTransport, account);
 266                 SOSAccountSetValue(account, kSOSDSIDKey, dsid, error);
 267                 secdebug("dsid", "Assigning new DSID: %@", dsid);
 268             } else {
 269                 secdebug("dsid", "DSIDs are the same!");
 270             }
 271         });
 272
 273         CFReleaseNull(transportsToUse);
 274
 275         CFArrayAppendValue(handledKeys, kSOSKVSAccountChangedKey);
 276     }
 277
 278
 279     // Iterate through keys in updates.  Perform circle change update.
 280     // Then instantiate circles and engines and peers for all peers that
 281     // are receiving a message in updates.
 282     CFMutableDictionaryRef circle_peer_messages_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 283     CFMutableDictionaryRef circle_circle_messages_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 284     CFMutableDictionaryRef circle_retirement_messages_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 285     CFMutableDictionaryRef ring_update_message_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 286     CFMutableDictionaryRef peer_info_message_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 287     CFMutableDictionaryRef debug_info_message_table = CFDictionaryCreateMutableForCFTypes(kCFAllocatorDefault);
 288
 289     __block CFDataRef newParameters = NULL;
 290     __block bool initial_sync = false;
 291     __block bool new_account = false;
 292
 293     CFDictionaryForEach(updates, ^(const void *key, const void *value) {
 294         CFErrorRef localError = NULL;
 295         CFStringRef circle_name = NULL;
 296         CFStringRef ring_name = NULL;
 297         CFStringRef peer_info_name = NULL;
 298         CFStringRef from_name = NULL;
 299         CFStringRef to_name = NULL;
 300         CFStringRef backup_name = NULL;
 301
 302         require_quiet(isString(key), errOut);
 303         switch (SOSKVSKeyGetKeyTypeAndParse(key, &circle_name, &peer_info_name, &ring_name, &backup_name, &from_name, &to_name)) {
 304             case kCircleKey:
 305                 CFDictionarySetValue(circle_circle_messages_table, circle_name, value);
 306                 break;
 307             case kInitialSyncKey:
 308                 initial_sync = true;
 309                 break;
 310             case kParametersKey:
 311                 if (isData(value)) {
 312                     newParameters = (CFDataRef) CFRetainSafe(value);
 313                 }
 314                 break;
 315             case kMessageKey: {
 316                 CFMutableDictionaryRef circle_messages = CFDictionaryEnsureCFDictionaryAndGetCurrentValue(circle_peer_messages_table, circle_name);
 317                 CFDictionarySetValue(circle_messages, from_name, value);
 318                 break;
 319             }
 320             case kRetirementKey: {
 321                 CFMutableDictionaryRef circle_retirements = CFDictionaryEnsureCFDictionaryAndGetCurrentValue(circle_retirement_messages_table, circle_name);
 322                 CFDictionarySetValue(circle_retirements, from_name, value);
 323                 break;
 324             }
 325             case kAccountChangedKey:
 326                 new_account = true;
 327                 break;
 328             case kPeerInfoKey:
 329                 CFDictionarySetValue(peer_info_message_table, peer_info_name, value);
 330                 break;
 331             case kRingKey:
 332                 if(isString(ring_name))
 333                     CFDictionarySetValue(ring_update_message_table, ring_name, value);
 334                 break;
 335             case kDebugInfoKey:
 336                 CFDictionarySetValue(debug_info_message_table, peer_info_name, value);
 337                 break;
 338             case kLastCircleKey:
 339             case kLastKeyParameterKey:
 340             case kUnknownKey:
 341                 secnotice("updates", "Unknown key '%@', ignoring", key);
 342                 break;
 343
 344         }
 345
 346     errOut:
 347         CFReleaseNull(circle_name);
 348         CFReleaseNull(from_name);
 349         CFReleaseNull(to_name);
 350         CFReleaseNull(ring_name);
 351         CFReleaseNull(peer_info_name);
 352         CFReleaseNull(backup_name);
 353
 354         if (error && *error)
 355             secerror("Peer message processing error for: %@ -> %@ (%@)", key, value, *error);
 356         if (localError)
 357             secerror("Peer message local processing error for: %@ -> %@ (%@)", key, value, localError);
 358
 359         CFReleaseNull(localError);
 360     });
 361
 362
 363     if (newParameters) {
 364         CFArrayForEach(SOSGetTransportKeyParameters(), ^(const void *value) {
 365             SOSTransportKeyParameterRef tkvs = (SOSTransportKeyParameterRef) value;
 366             CFErrorRef localError = NULL;
 367             if(CFEqualSafe(SOSTransportKeyParameterGetAccount(tkvs), account)){
 368                 if(!SOSTransportKeyParameterHandleKeyParameterChanges(tkvs, newParameters, localError))
 369                     secerror("Transport failed to handle new key parameters: %@", localError);
 370             }
 371         });
 372         CFArrayAppendValue(handledKeys, kSOSKVSKeyParametersKey);
 373     }
 374     CFReleaseNull(newParameters);
 375
 376     if(initial_sync){
 377         CFArrayAppendValue(handledKeys, kSOSKVSInitialSyncKey);
 378     }
 379
 380     if(CFDictionaryGetCount(debug_info_message_table)) {
 381         /* check for a newly set circle debug scope */
 382         CFTypeRef debugScope = CFDictionaryGetValue(debug_info_message_table, kSOSAccountDebugScope);
 383         if (debugScope) {
 384             if(isString(debugScope)){
 385                 ApplyScopeListForID(debugScope, kScopeIDCircle);
 386             }else if(isDictionary(debugScope)){
 387                 ApplyScopeDictionaryForID(debugScope, kScopeIDCircle);
 388             }
 389         }
 390         CFStringRef debugInfoKey = SOSDebugInfoKeyCreateWithTypeName(kSOSAccountDebugScope);
 391         CFArrayAppendValue(handledKeys, debugInfoKey);
 392         CFReleaseNull(debugInfoKey);
 393     }
 394
 395     if(CFDictionaryGetCount(circle_retirement_messages_table)) {
 396         CFArrayForEach(SOSGetTransportCircles(), ^(const void *value) {
 397             SOSTransportCircleRef tkvs = (SOSTransportCircleRef) value;
 398             if(CFEqualSafe(SOSTransportCircleGetAccount((SOSTransportCircleRef)value), account)){
 399                 CFErrorRef localError = NULL;
 400                 CFDictionaryRef handledRetirementKeys = SOSTransportCircleHandleRetirementMessages(tkvs, circle_retirement_messages_table, error);
 401                 if(handledRetirementKeys == NULL){
 402                     secerror("Transport failed to handle retirement messages: %@", localError);
 403                 } else {
 404                     CFDictionaryForEach(handledRetirementKeys, ^(const void *key, const void *value) {
 405                         CFStringRef circle_name = (CFStringRef)key;
 406                         CFArrayRef handledPeerIDs = (CFArrayRef)value;
 407                         CFArrayForEach(handledPeerIDs, ^(const void *value) {
 408                             CFStringRef peer_id = (CFStringRef)value;
 409                             CFStringRef keyHandled = SOSRetirementKeyCreateWithCircleNameAndPeer(circle_name, peer_id);
 410                             CFArrayAppendValue(handledKeys, keyHandled);
 411                             CFReleaseNull(keyHandled);
 412                         });
 413                     });
 414                 }
 415                 CFReleaseNull(handledRetirementKeys);
 416                 CFReleaseNull(localError);
 417             }
 418         });
 419     }
 420     if(CFDictionaryGetCount(peer_info_message_table)){
 421         CFArrayForEach(SOSGetTransportCircles(), ^(const void *value) {
 422             SOSTransportCircleRef tkvs = (SOSTransportCircleRef) value;
 423             if(CFEqualSafe(SOSTransportCircleGetAccount((SOSTransportCircleRef)value), account)){
 424                 CFErrorRef localError = NULL;
 425                 CFArrayRef handledPeerInfoMessages = SOSTransportCircleKVSHandlePeerInfoV2Messages(tkvs, peer_info_message_table, error);
 426                 if(handledPeerInfoMessages == NULL){
 427                     secerror("Transport failed to handle peer info messages: %@", localError);
 428                 } else {
 429                     CFArrayForEach(handledPeerInfoMessages, ^(const void *value) {
 430                         CFStringRef peer_id = (CFStringRef)value;
 431                         CFStringRef keyHandled = SOSPeerInfoV2KeyCreateWithPeerName(peer_id);
 432                         CFArrayAppendValue(handledKeys, keyHandled);
 433                         CFReleaseNull(keyHandled);
 434                     });
 435                 }
 436                 CFReleaseNull(handledPeerInfoMessages);
 437                 CFReleaseNull(localError);
 438             }
 439         });
 440     }
 441     if(CFDictionaryGetCount(circle_peer_messages_table)) {
 442         CFArrayForEach(SOSGetTransportMessages(), ^(const void *value) {
 443             SOSTransportMessageRef tmsg = (SOSTransportMessageRef) value;
 444             CFDictionaryRef circleToPeersHandled = NULL;
 445             CFErrorRef handleMessagesError = NULL;
 446             CFErrorRef flushError = NULL;
 447
 448             require_quiet(CFEqualSafe(SOSTransportMessageGetAccount(tmsg), account), done);
 449
 450             circleToPeersHandled = SOSTransportMessageHandleMessages(tmsg, circle_peer_messages_table, &handleMessagesError);
 451             require_action_quiet(circleToPeersHandled, done, secnotice("msg", "No messages handled: %@", handleMessagesError));
 452
 453             CFArrayRef handledPeers = asArray(CFDictionaryGetValue(circleToPeersHandled, SOSTransportMessageGetCircleName(tmsg)), NULL);
 454
 455             if (handledPeers) {
 456                 CFArrayForEach(handledPeers, ^(const void *value) {
 457                     CFStringRef peerID = asString(value, NULL);
 458                     if (peerID) {
 459
 460                         CFStringRef kvsHandledKey = SOSMessageKeyCreateFromPeerToTransport(tmsg, peerID);
 461                         if (kvsHandledKey) {
 462                             CFArrayAppendValue(handledKeys, kvsHandledKey);
 463                         }
 464                         CFReleaseNull(kvsHandledKey);
 465                     }
 466                 });
 467             }
 468
 469             require_action_quiet(SOSTransportMessageFlushChanges(tmsg, &flushError), done, secnotice("msg", "Flush failed: %@", flushError););
 470
 471         done:
 472             CFReleaseNull(flushError);
 473             CFReleaseNull(circleToPeersHandled);
 474             CFReleaseNull(handleMessagesError);
 475         });
 476     }
 477     if(CFDictionaryGetCount(circle_circle_messages_table)) {
 478         CFArrayForEach(SOSGetTransportCircles(), ^(const void *value) {
 479             SOSTransportCircleRef tkvs = (SOSTransportCircleRef) value;
 480             if(CFEqualSafe(SOSTransportCircleGetAccount((SOSTransportCircleRef)value), account)){
 481                 CFArrayRef handleCircleMessages = SOSTransportCircleHandleCircleMessages(tkvs, circle_circle_messages_table, error);
 482                 CFErrorRef localError = NULL;
 483                 if(handleCircleMessages == NULL){
 484                     secerror("Transport failed to handle circle messages: %@", localError);
 485                 } else if(CFArrayGetCount(handleCircleMessages) == 0) {
 486                     if(CFDictionaryGetCount(circle_circle_messages_table) != 0) {
 487                         secerror("Transport failed to process all circle messages: (%ld/%ld) %@",
 488                                  CFArrayGetCount(handleCircleMessages),
 489                                  CFDictionaryGetCount(circle_circle_messages_table), localError);
 490                     } else {
 491                         secnotice("circle", "Transport handled no circle messages");
 492                     }
 493                 } else {
 494                     CFArrayForEach(handleCircleMessages, ^(const void *value) {
 495                         CFStringRef keyHandled = SOSCircleKeyCreateWithName((CFStringRef)value, error);
 496                         CFArrayAppendValue(handledKeys, keyHandled);
 497                         CFReleaseNull(keyHandled);
 498                     });
 499                 }
 500
 501                 CFReleaseNull(localError);
 502                 CFReleaseNull(handleCircleMessages);
 503             }
 504
 505         });
 506     }
 507     if(CFDictionaryGetCount(ring_update_message_table)){
 508         CFArrayForEach(SOSGetTransportCircles(), ^(const void *value) {
 509             if(CFEqualSafe(SOSTransportCircleGetAccount((SOSTransportCircleRef)value), account)){
 510                 CFErrorRef localError = NULL;
 511                 CFMutableArrayRef handledRingMessages = CFArrayCreateMutableForCFTypes(kCFAllocatorDefault);
 512
 513                 CFDictionaryForEach(ring_update_message_table, ^(const void *key, const void *value) {
 514                     CFDataRef ringData = asData(value, NULL);
 515                     SOSRingRef ring = SOSRingCreateFromData(error, ringData);
 516
 517                     if(SOSAccountUpdateRingFromRemote(account, ring, error)){
 518                         CFArrayAppendValue(handledRingMessages, key);
 519                     }
 520                     CFReleaseNull(ring);
 521                 });
 522                 if(CFArrayGetCount(handledRingMessages) == 0){
 523                     secerror("Transport failed to handle ring messages: %@", localError);
 524                 } else {
 525                     CFArrayForEach(handledRingMessages, ^(const void *value) {
 526                         CFStringRef ring_name = (CFStringRef)value;
 527                         CFStringRef keyHandled = SOSRingKeyCreateWithRingName(ring_name);
 528                         CFArrayAppendValue(handledKeys, keyHandled);
 529                         CFReleaseNull(keyHandled);
 530                     });
 531                 }
 532                 CFReleaseNull(handledRingMessages);
 533                 CFReleaseNull(localError);
 534             }
 535         });
 536     }
 537
 538     CFReleaseNull(circle_retirement_messages_table);
 539     CFReleaseNull(circle_circle_messages_table);
 540     CFReleaseNull(circle_peer_messages_table);
 541     CFReleaseNull(debug_info_message_table);
 542     CFReleaseNull(ring_update_message_table);
 543     CFReleaseNull(peer_info_message_table);
 544     CFReleaseNull(debug_info_message_table);
 545
 546     showWhatWasHandled(updates, handledKeys);
 547
 548     return handledKeys;
 549 }
 550