OSX/sec/Security/Tool/trust_update.m

   1 /*
   2  * Copyright (c) 2017 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  * trust_update.m
  24  */
  25
  26 #import <Foundation/Foundation.h>
  27
  28 #import <utilities/SecCFWrappers.h>
  29 #import <Security/SecTrustPriv.h>
  30
  31 #include "SecurityCommands.h"
  32
  33 static int check_OTA_Supplementals_asset(void) {
  34     CFErrorRef error = NULL;
  35     uint64_t version = SecTrustOTAPKIGetUpdatedAsset(&error);
  36     if (error) {
  37         CFStringRef errorDescription = CFErrorCopyDescription(error);
  38         if (errorDescription) {
  39             char *errMsg = CFStringToCString(errorDescription);
  40             fprintf(stdout, "Update failed: %s\n", errMsg);
  41             if (errMsg) { free(errMsg); }
  42             CFRelease(errorDescription);
  43         } else {
  44             fprintf(stdout, "Update failed: no description\n");
  45         }
  46         CFRelease(error);
  47     } else {
  48         fprintf(stdout, "Updated succeeded\n");
  49     }
  50     if (version != 0) {
  51         fprintf(stdout, "Asset Content Version: %llu\n", version);
  52     } else {
  53         return 1;
  54     }
  55     return 0;
  56 }
  57
  58 int check_trust_update(int argc, char * const *argv) {
  59     int arg;
  60     bool check_trust_supplementals = false;
  61
  62     if (argc == 1) {
  63         return SHOW_USAGE_MESSAGE;
  64     }
  65
  66     while ((arg = getopt(argc, argv, "s")) != -1) {
  67         switch(arg) {
  68             case 's':
  69                 check_trust_supplementals = true;
  70                 break;
  71             case '?':
  72             default:
  73                 return SHOW_USAGE_MESSAGE;
  74         }
  75     }
  76
  77     if (check_trust_supplementals) {
  78         return check_OTA_Supplementals_asset();
  79     }
  80     return 0;
  81 }