mirror of
https://github.com/DNSCrypt/dnscrypt-proxy.git
synced 2024-12-10 22:25:49 +01:00
28 lines
609 B
Go
28 lines
609 B
Go
|
// Copyright 2013 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
package ipv6
|
||
|
|
|
||
|
|
func (f *icmpv6Filter) accept(typ ICMPType) {
|
||
|
|
f.Data[typ>>5] &^= 1 << (uint32(typ) & 31)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *icmpv6Filter) block(typ ICMPType) {
|
||
|
|
f.Data[typ>>5] |= 1 << (uint32(typ) & 31)
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *icmpv6Filter) setAll(block bool) {
|
||
|
|
for i := range f.Data {
|
||
|
|
if block {
|
||
|
|
f.Data[i] = 1<<32 - 1
|
||
|
|
} else {
|
||
|
|
f.Data[i] = 0
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
|
||
|
|
return f.Data[typ>>5]&(1<<(uint32(typ)&31)) != 0
|
||
|
|
}
|