26d0083faf
commit a1a37d335a8e89ac89d85c00c8585d3fc02e064a
Author: Josh Baker <joshbaker77@gmail.com>
Date: Thu Oct 5 07:36:54 2017 -0700
use symlink instead of copy
commit 96399c2c92620f633611c778e5473200bfd48d41
Author: Josh Baker <joshbaker77@gmail.com>
Date: Thu Oct 5 07:19:26 2017 -0700
use dep for vendoring
61 lines
1.6 KiB
Go
61 lines
1.6 KiB
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
|
|
|
|
import "golang.org/x/net/internal/iana"
|
|
|
|
// BUG(mikio): On Windows, methods related to ICMPFilter are not
|
|
// implemented.
|
|
|
|
// An ICMPType represents a type of ICMP message.
|
|
type ICMPType int
|
|
|
|
func (typ ICMPType) String() string {
|
|
s, ok := icmpTypes[typ]
|
|
if !ok {
|
|
return "<nil>"
|
|
}
|
|
return s
|
|
}
|
|
|
|
// Protocol returns the ICMPv6 protocol number.
|
|
func (typ ICMPType) Protocol() int {
|
|
return iana.ProtocolIPv6ICMP
|
|
}
|
|
|
|
// An ICMPFilter represents an ICMP message filter for incoming
|
|
// packets. The filter belongs to a packet delivery path on a host and
|
|
// it cannot interact with forwarding packets or tunnel-outer packets.
|
|
//
|
|
// Note: RFC 8200 defines a reasonable role model. A node means a
|
|
// device that implements IP. A router means a node that forwards IP
|
|
// packets not explicitly addressed to itself, and a host means a node
|
|
// that is not a router.
|
|
type ICMPFilter struct {
|
|
icmpv6Filter
|
|
}
|
|
|
|
// Accept accepts incoming ICMP packets including the type field value
|
|
// typ.
|
|
func (f *ICMPFilter) Accept(typ ICMPType) {
|
|
f.accept(typ)
|
|
}
|
|
|
|
// Block blocks incoming ICMP packets including the type field value
|
|
// typ.
|
|
func (f *ICMPFilter) Block(typ ICMPType) {
|
|
f.block(typ)
|
|
}
|
|
|
|
// SetAll sets the filter action to the filter.
|
|
func (f *ICMPFilter) SetAll(block bool) {
|
|
f.setAll(block)
|
|
}
|
|
|
|
// WillBlock reports whether the ICMP type will be blocked.
|
|
func (f *ICMPFilter) WillBlock(typ ICMPType) bool {
|
|
return f.willBlock(typ)
|
|
}
|