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4acddf21b7
This dependency now uses SemVer, tagged releases. Also updates dependencies Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
25 lines
538 B
Go
25 lines
538 B
Go
// Copyright 2014 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package ipv4
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func (f *icmpFilter) accept(typ ICMPType) {
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f.Data &^= 1 << (uint32(typ) & 31)
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}
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func (f *icmpFilter) block(typ ICMPType) {
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f.Data |= 1 << (uint32(typ) & 31)
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}
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func (f *icmpFilter) setAll(block bool) {
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if block {
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f.Data = 1<<32 - 1
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} else {
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f.Data = 0
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}
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}
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func (f *icmpFilter) willBlock(typ ICMPType) bool {
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return f.Data&(1<<(uint32(typ)&31)) != 0
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}
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