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Stdlib `net.ParseMAC` does lots of validations, but some hardware addrs we can see (on logical interfaces) are not valid, so parse MACs in a simple way. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
41 lines
969 B
Go
41 lines
969 B
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package nethelpers
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import (
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"bytes"
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"encoding/hex"
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"net"
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)
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// HardwareAddr wraps net.HardwareAddr for YAML marshaling.
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type HardwareAddr net.HardwareAddr
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// MarshalText implements text.Marshaler interface.
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func (addr HardwareAddr) MarshalText() ([]byte, error) {
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return []byte(net.HardwareAddr(addr).String()), nil
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}
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// UnmarshalText implements text.Unmarshaler interface.
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func (addr *HardwareAddr) UnmarshalText(b []byte) error {
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rawHex := bytes.ReplaceAll(b, []byte(":"), []byte(""))
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dstLen := hex.DecodedLen(len(rawHex))
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dst := make([]byte, dstLen)
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n, err := hex.Decode(dst, rawHex)
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if err != nil {
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return err
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}
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*addr = HardwareAddr(dst[:n])
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return nil
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}
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func (addr HardwareAddr) String() string {
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return net.HardwareAddr(addr).String()
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}
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