blob: ad7bec1a9972d509ae4da35767d8c114876d4be4 (
plain)
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
|
package configfile
type flagIota int
const (
FlagPlaintextNames flagIota = iota
FlagDirIV
FlagEMENames
FlagGCMIV128
FlagLongNames
FlagAESSIV
)
// knownFlags stores the known feature flags and their string representation
var knownFlags map[flagIota]string = map[flagIota]string{
FlagPlaintextNames: "PlaintextNames",
FlagDirIV: "DirIV",
FlagEMENames: "EMENames",
FlagGCMIV128: "GCMIV128",
FlagLongNames: "LongNames",
FlagAESSIV: "AESSIV",
}
// Filesystems that do not have these feature flags set are deprecated.
var requiredFlagsNormal []flagIota = []flagIota{
FlagDirIV,
FlagEMENames,
FlagGCMIV128,
}
// Filesystems without filename encryption obviously don't have or need the
// filename related feature flags.
var requiredFlagsPlaintextNames []flagIota = []flagIota{
FlagGCMIV128,
}
// isFeatureFlagKnown verifies that we understand a feature flag
func (cf *ConfFile) isFeatureFlagKnown(flag string) bool {
for _, knownFlag := range knownFlags {
if knownFlag == flag {
return true
}
}
return false
}
// isFeatureFlagSet - is the feature flag "flagWant" enabled?
func (cf *ConfFile) IsFeatureFlagSet(flagWant flagIota) bool {
flagString := knownFlags[flagWant]
for _, flag := range cf.FeatureFlags {
if flag == flagString {
return true
}
}
return false
}
|
