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24 #import <Foundation/Foundation.h>
25 #import "SOSEnsureBackup.h"
26 #include <utilities/debugging.h>
29 #import "keychain/ckks/CKKSLockStateTracker.h"
30 #import "keychain/ckks/NSOperationCategories.h"
31 #include <Security/SecureObjectSync/SOSAccount.h>
33 static NSOperationQueue *backupOperationQueue;
34 static CKKSLockStateTracker *lockStateTracker;
36 void SOSEnsureBackupWhileUnlocked(void) {
37 static dispatch_once_t onceToken;
38 dispatch_once(&onceToken, ^{
39 backupOperationQueue = [NSOperationQueue new];
40 lockStateTracker = [CKKSLockStateTracker new];
43 // CKKSLockStateTracker does not use @synchronized(self). If it ever starts to this needs to be updated.
44 @synchronized(lockStateTracker) {
45 if ([backupOperationQueue operationCount] > 0) {
46 secnotice("engine", "SOSEnsureBackup: Backup already scheduled for next unlock");
48 secnotice("engine", "SOSEnsureBackup: Scheduling a backup for next unlock");
49 NSBlockOperation *backupOperation = [NSBlockOperation blockOperationWithBlock:^{
50 secnotice("engine", "Performing keychain backup after unlock because backing up while locked failed");
51 SOSAccount *account = (__bridge SOSAccount *)(SOSKeychainAccountGetSharedAccount());
53 [account performTransaction:^(SOSAccountTransaction *transaction) {
54 CFErrorRef error = NULL;
55 NSSet* set = CFBridgingRelease(SOSAccountCopyBackupPeersAndForceSync(transaction, &error));
57 secnotice("engine", "SOSEnsureBackup: SOS made a backup of views: %@", set);
59 secerror("engine: SOSEnsureBackup: encountered an error while making backup (%@)", error);
65 [backupOperation addNullableDependency:lockStateTracker.unlockDependency];
66 [backupOperationQueue addOperation:backupOperation];
71 void SOSEnsureBackupWhileUnlocked(void) {
72 secnotice("engine", "SOSEnsureBackup not available on this platform");