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gitea/vendor/golang.org/x/net/ipv4/icmp_linux.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

26 lines
538 B
Go
Vendored

// Copyright 2014 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 ipv4
func (f *icmpFilter) accept(typ ICMPType) {
f.Data &^= 1 << (uint32(typ) & 31)
}
func (f *icmpFilter) block(typ ICMPType) {
f.Data |= 1 << (uint32(typ) & 31)
}
func (f *icmpFilter) setAll(block bool) {
if block {
f.Data = 1<<32 - 1
} else {
f.Data = 0
}
}
func (f *icmpFilter) willBlock(typ ICMPType) bool {
return f.Data&(1<<(uint32(typ)&31)) != 0
}