OSX/utilities/src/SecInternalRelease.c

   1 /*
   2  * Copyright (c) 2015 Apple Inc. All Rights Reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * This file contains Original Code and/or Modifications of Original Code
   7  * as defined in and that are subject to the Apple Public Source License
   8  * Version 2.0 (the 'License'). You may not use this file except in
   9  * compliance with the License. Please obtain a copy of the License at
  10  * http://www.opensource.apple.com/apsl/ and read it before using this
  11  * file.
  12  *
  13  * The Original Code and all software distributed under the License are
  14  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  15  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  16  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  18  * Please see the License for the specific language governing rights and
  19  * limitations under the License.
  20  *
  21  * @APPLE_LICENSE_HEADER_END@
  22  */
  23
  24 #include "SecInternalReleasePriv.h"
  25
  26
  27 #include <dispatch/dispatch.h>
  28 #include <AssertMacros.h>
  29 #include <strings.h>
  30
  31 #if TARGET_OS_EMBEDDED
  32 #include <MobileGestalt.h>
  33 #else
  34 #include <sys/utsname.h>
  35 #endif
  36
  37
  38 bool
  39 SecIsInternalRelease(void)
  40 {
  41     static bool isInternal = false;
  42
  43     return isInternal;
  44 }
  45
  46 bool SecIsProductionFused(void) {
  47     static bool isProduction = true;
  48 #if TARGET_OS_EMBEDDED
  49     static dispatch_once_t once = 0;
  50
  51     dispatch_once(&once, ^{
  52         CFBooleanRef productionFused = MGCopyAnswer(kMGQSigningFuse, NULL);
  53         if (productionFused) {
  54             if (CFEqual(productionFused, kCFBooleanFalse)) {
  55                 isProduction = false;
  56             }
  57             CFRelease(productionFused);
  58         }
  59     });
  60 #else
  61     /* Consider all Macs dev-fused. */
  62     return false;
  63 #endif
  64     return isProduction;
  65 }
  66