githaven/vendor/golang.org/x/net/ipv6/icmp_zos.go
techknowlogick d2ea21d0d8
Use caddy's certmagic library for extensible/robust ACME handling (#14177)
* use certmagic for more extensible/robust ACME cert handling

* accept TOS based on config option

Signed-off-by: Andrew Thornton <art27@cantab.net>

Co-authored-by: zeripath <art27@cantab.net>
Co-authored-by: Lauris BH <lauris@nix.lv>
2021-01-25 01:37:35 +02:00

30 lines
611 B
Go
Vendored

// Copyright 2020 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.Filt[typ>>5] |= 1 << (uint32(typ) & 31)
}
func (f *icmpv6Filter) block(typ ICMPType) {
f.Filt[typ>>5] &^= 1 << (uint32(typ) & 31)
}
func (f *icmpv6Filter) setAll(block bool) {
for i := range f.Filt {
if block {
f.Filt[i] = 0
} else {
f.Filt[i] = 1<<32 - 1
}
}
}
func (f *icmpv6Filter) willBlock(typ ICMPType) bool {
return f.Filt[typ>>5]&(1<<(uint32(typ)&31)) == 0
}