1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* strings.go - File containing the functionality initializing directories and
* the global config file.
*
* Copyright 2017 Google Inc.
* Author: Joe Richey (joerichey@google.com)
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package main
import (
"fmt"
"os"
"github.com/google/fscrypt/actions"
"github.com/google/fscrypt/cmd"
)
// createGlobalConfig creates (or overwrites) the global config file
func createGlobalConfig(path string) error {
if err := cmd.CheckIfRoot(); err != nil {
return err
}
// Ask to create or replace the config file
_, err := os.Stat(path)
switch {
case err == nil:
err = cmd.AskConfirmation(fmt.Sprintf("Replace %q?", path), "", false)
if err == nil {
err = os.Remove(path)
}
case os.IsNotExist(err):
err = cmd.AskConfirmation(fmt.Sprintf("Create %q?", path), "", true)
}
if err != nil {
return err
}
fmt.Fprintln(cmd.Output, "Customizing passphrase hashing difficulty for this system...")
err = actions.CreateConfigFile(timeTargetFlag.Value, legacyFlag.Value)
if err != nil {
return err
}
fmt.Fprintf(cmd.Output, "Created global config file at %q.\n", path)
return nil
}
// setupFilesystem creates the directories for a filesystem to use fscrypt.
func setupFilesystem(path string) error {
ctx, err := actions.NewContextFromMountpoint(path, nil)
if err != nil {
return err
}
if err = ctx.Mount.Setup(); err != nil {
return err
}
fmt.Fprintf(Output, "Metadata directories created at %q.\n", ctx.Mount.BaseDir())
fmt.Fprintf(Output, "Filesystem %q (%s) ready for use with %s encryption.\n",
ctx.Mount.Path, ctx.Mount.Device, ctx.Mount.Filesystem)
return nil
}
|
