1/*
2 * Copyright (c) 2005-2007 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 *  modeUnbless.c
25 *  bless
26 *
27 *  Created by Shantonu Sen on 7/23/09.
28 *  Copyright 2009 Apple Inc. All rights reserved.
29 *
30 */
31
32
33#include <stdlib.h>
34#include <stdio.h>
35#include <unistd.h>
36#include <sys/stat.h>
37#include <sys/mount.h>
38#include <sys/param.h>
39
40#include "enums.h"
41#include "structs.h"
42
43#include "bless.h"
44#include "bless_private.h"
45#include "protos.h"
46
47int modeUnbless(BLContextPtr context, struct clarg actargs[klast]) {
48
49    int ret;
50    int isHFS;
51
52    struct statfs sb;
53
54	if (!actargs[kunbless].present) {
55		blesscontextprintf(context, kBLLogLevelError, "No volume specified\n" );
56		return 1;
57	}
58
59	ret = BLGetCommonMountPoint(context, actargs[kunbless].argument, "", actargs[kmount].argument);
60	if(ret) {
61		blesscontextprintf(context, kBLLogLevelError,  "Can't determine mount point of '%s'\n", actargs[kunbless].argument );
62	} else {
63		blesscontextprintf(context, kBLLogLevelVerbose,  "Mount point is '%s'\n", actargs[kmount].argument );
64	}
65
66    ret = BLIsMountHFS(context, actargs[kmount].argument, &isHFS);
67    if(ret) {
68		blesscontextprintf(context, kBLLogLevelError,  "Could not determine filesystem of %s\n", actargs[kmount].argument );
69		return 1;
70    }
71
72    if(0 != statfs(actargs[kmount].argument, &sb)) {
73        blesscontextprintf(context, kBLLogLevelError,  "Can't statfs %s\n" ,
74                           actargs[kmount].argument);
75        return 1;
76    }
77
78
79    if(isHFS) {
80		uint32_t oldwords[8];
81
82		ret = BLGetVolumeFinderInfo(context, actargs[kmount].argument, oldwords);
83		if(ret) {
84			blesscontextprintf(context, kBLLogLevelError,  "Error getting old Finder info words for %s\n", actargs[kmount].argument );
85			return 1;
86		}
87
88		/* unbless! unbless */
89
90		oldwords[0] = 0;
91		oldwords[1] = 0;
92		oldwords[2] = 0;
93		oldwords[3] = 0;
94		oldwords[4] = 0;
95		oldwords[5] = 0;
96
97		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[0] = %d\n", oldwords[0] );
98		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[1] = %d\n", oldwords[1] );
99		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[2] = %d\n", oldwords[2] );
100		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[3] = %d\n", oldwords[3] );
101		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[4] = %d\n", oldwords[4] );
102		blesscontextprintf(context, kBLLogLevelVerbose,  "finderinfo[5] = %d\n", oldwords[5] );
103
104
105		if(geteuid() != 0 && geteuid() != sb.f_owner) {
106		    blesscontextprintf(context, kBLLogLevelError,  "Authorization required\n" );
107			return 1;
108		}
109
110		ret = BLSetVolumeFinderInfo(context,  actargs[kmount].argument, oldwords);
111		if(ret) {
112			blesscontextprintf(context, kBLLogLevelError,  "Can't set Finder info fields for volume mounted at %s: %s\n", actargs[kmount].argument , strerror(errno));
113			return 2;
114		}
115
116    }
117
118    return 0;
119}
120