keychain/securityd/CheckV12DevEnabled.m

   1 //
   2 //  CheckV12DevEnabled.m
   3 //  Security_ios
   4 //
   5 //  Created by Wouter de Groot on 2018-10-20.
   6 //
   7
   8 // TODO: remove me when keychain backup is enabled for all
   9
  10 #include "CheckV12DevEnabled.h"
  11
  12 #if __OBJC2__
  13
  14 #import <Foundation/Foundation.h>
  15 #import <dispatch/dispatch.h>
  16
  17 static int realCheckV12DevEnabled() {
  18     static bool enabled = NO;
  19     static dispatch_once_t onceToken;
  20     dispatch_once(&onceToken, ^{
  21         NSUserDefaults* defaults = [[NSUserDefaults alloc] initWithSuiteName:@"com.apple.security"];
  22         enabled = [defaults boolForKey:@"enableKeychainBackupDevelopment"];
  23     });
  24     return enabled ? 1 : 0;
  25 }
  26
  27 int (*checkV12DevEnabled)(void) = realCheckV12DevEnabled;
  28
  29 void resetCheckV12DevEnabled(void) {
  30     checkV12DevEnabled = realCheckV12DevEnabled;
  31 }
  32
  33 #endif