1/*
2 * Copyright (c) 2001-2007 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 *  BLGetVolumeFinderInfo.c
25 *  bless
26 *
27 *  Created by Shantonu Sen <ssen@apple.com> on Thu Apr 19 2001.
28 *  Copyright (c) 2001-2007 Apple Inc. All Rights Reserved.
29 *
30 *  $Id: BLGetVolumeFinderInfo.c,v 1.16 2006/02/20 22:49:54 ssen Exp $
31 *
32 */
33
34#include <CoreFoundation/CoreFoundation.h>
35#include <unistd.h>
36#include <sys/types.h>
37#include <sys/attr.h>
38
39#include "bless.h"
40#include "bless_private.h"
41
42struct volinfobuf {
43  uint32_t info_length;
44  uint32_t finderinfo[8];
45};
46
47
48int BLGetVolumeFinderInfo(BLContextPtr context, const char * mountpoint, uint32_t * words) {
49    int err, i;
50    struct volinfobuf vinfo;
51    struct attrlist alist;
52
53
54    alist.bitmapcount = 5;
55    alist.reserved = 0;
56    alist.commonattr = ATTR_CMN_FNDRINFO;
57    alist.volattr = ATTR_VOL_INFO;
58    alist.dirattr = 0;
59    alist.fileattr = 0;
60    alist.forkattr = 0;
61
62    err = getattrlist(mountpoint, &alist, &vinfo, sizeof(vinfo), 0);
63    if(err) {
64      contextprintf(context, kBLLogLevelError,  "Can't get volume information for %s\n", mountpoint );
65      return 1;
66    }
67
68    /* Finder info words are just opaque and in big-endian format on disk
69	for HFS+ */
70
71    for(i=0; i<6; i++) {
72        words[i] = CFSwapInt32BigToHost(vinfo.finderinfo[i]);
73    }
74
75    *(uint64_t *)&words[6] = CFSwapInt64BigToHost(
76					(*(uint64_t *)&vinfo.finderinfo[6]));
77
78    return 0;
79}
80
81