OSX/sec/SOSCircle/Tool/syncbackup.c

   1
   2 /*
   3  * Copyright (c) 2003-2007,2009-2010,2013-2016 Apple Inc. All Rights Reserved.
   4  *
   5  * @APPLE_LICENSE_HEADER_START@
   6  *
   7  * This file contains Original Code and/or Modifications of Original Code
   8  * as defined in and that are subject to the Apple Public Source License
   9  * Version 2.0 (the 'License'). You may not use this file except in
  10  * compliance with the License. Please obtain a copy of the License at
  11  * http://www.opensource.apple.com/apsl/ and read it before using this
  12  * file.
  13  *
  14  * The Original Code and all software distributed under the License are
  15  * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  16  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  17  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
  19  * Please see the License for the specific language governing rights and
  20  * limitations under the License.
  21  *
  22  * @APPLE_LICENSE_HEADER_END@
  23  *
  24  */
  25
  26 //
  27 //  syncbackup.c
  28 //  sec
  29 //
  30 //
  31 //
  32
  33 #include "syncbackup.h"
  34
  35
  36 #include <stdio.h>
  37 #include <CoreFoundation/CoreFoundation.h>
  38
  39 #include <Security/SecureObjectSync/SOSCloudCircle.h>
  40 #include <Security/SecureObjectSync/SOSCloudCircleInternal.h>
  41 #include <Security/SecureObjectSync/SOSBackupInformation.h>
  42
  43 #include <utilities/SecCFWrappers.h>
  44
  45 #include <SecurityTool/readline.h>
  46 #include "secToolFileIO.h"
  47
  48
  49 static bool dumpBackupInfo(CFErrorRef *error) {
  50     CFReleaseNull(*error);
  51     bool isLast = SOSCCIsThisDeviceLastBackup(error);
  52
  53     printmsg(CFSTR("This %s the last backup peer.\n"), (isLast) ? "is": "isn't");
  54     return *error != NULL;
  55 }
  56
  57 static bool longListing(CFErrorRef *error) {
  58     CFDataRef rkbgder = NULL;
  59     CFDictionaryRef bskbders = NULL;
  60
  61     CFDictionaryRef backupInfo = SOSCCCopyBackupInformation(error);
  62     SOSRecoveryKeyBagRef rkbg = NULL;
  63     CFNumberRef status = CFDictionaryGetValue(backupInfo, kSOSBkpInfoStatus);
  64     int infoStatus;
  65     CFNumberGetValue(status, kCFNumberIntType, &infoStatus);
  66
  67     switch(infoStatus) {
  68         case noError:
  69             rkbgder = CFDictionaryGetValue(backupInfo, kSOSBkpInfoRKBG);
  70             bskbders = CFDictionaryGetValue(backupInfo, kSOSBkpInfoBSKB);
  71             break;
  72         case noTxnorAcct:
  73             break;
  74         case noAlloc:
  75             break;
  76         case noTrustedPubKey:
  77             break;
  78         case noBSKBs:
  79             rkbgder = CFDictionaryGetValue(backupInfo, kSOSBkpInfoRKBG);
  80             break;
  81         default:
  82             break;
  83     }
  84
  85     if(rkbgder) {
  86         rkbg = SOSRecoveryKeyBagCreateFromData(kCFAllocatorDefault, rkbgder, NULL);
  87         printmsg(CFSTR("Recovery Keybag: %@\n"), rkbg);
  88     }
  89
  90     if(bskbders) {
  91         CFDataRef rkPub = NULL;
  92         if(rkbg) rkPub = SOSRecoveryKeyBagGetKeyData(rkbg, NULL);
  93         CFDictionaryForEach(bskbders, ^(const void *key, const void *value) {
  94             CFDataRef bskbder = asData(value, NULL);
  95             SOSBackupSliceKeyBagRef bskb = SOSBackupSliceKeyBagCreateFromData(kCFAllocatorDefault, bskbder, NULL);
  96             if(bskb) {
  97                 bool reckeyPresent = (rkPub && SOSBKSBPrefixedKeyIsInKeyBag(bskb, bskbRkbgPrefix, rkPub));
  98                 printmsg(CFSTR("BackupSliceKeybag %@: Recovery Key %s; %@\n"), key, (reckeyPresent) ? "Present": "Absent ", bskb);
  99                 CFReleaseNull(bskb);
 100             }
 101         });
 102     }
 103     CFReleaseNull(backupInfo);
 104     CFReleaseNull(rkbg);
 105     return *error != NULL;
 106 }
 107
 108
 109
 110 int
 111 syncbackup(int argc, char * const *argv)
 112 {
 113     /*
 114      "Circle Backup Information"
 115      "    -i     info (current status)"
 116
 117      */
 118     SOSLogSetOutputTo(NULL, NULL);
 119
 120     int ch, result = 0;
 121     CFErrorRef error = NULL;
 122     bool hadError = false;
 123
 124     while ((ch = getopt(argc, argv, "il")) != -1)
 125         switch  (ch) {
 126
 127             case 'i':
 128                 hadError = dumpBackupInfo(&error);
 129                 break;
 130
 131             case 'l':
 132                 hadError = longListing(&error);
 133                 break;
 134
 135             case '?':
 136             default:
 137                 return 2; /* Return 2 triggers usage message. */
 138         }
 139
 140     if (hadError)
 141         printerr(CFSTR("Error: %@\n"), error);
 142
 143     return result;
 144 }