42 lines
1.1 KiB
Go
42 lines
1.1 KiB
Go
// Copyright (c) 2023-2024 Onur Cinar.
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// Use of this source code is governed by a MIT-style
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// license that can be found in the LICENSE file.
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// https://github.com/cinar/checker
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package checker
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import (
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"errors"
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"net"
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"reflect"
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)
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// tagMac is the tag of the checker.
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const tagMac = "mac"
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// ErrNotMac indicates that the given value is not an MAC address.
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var ErrNotMac = errors.New("please enter a valid MAC address")
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// IsMac checks if the given value is a valid an IEEE 802 MAC-48, EUI-48, EUI-64, or a 20-octet IP over InfiniBand link-layer address.
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func IsMac(value string) error {
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_, err := net.ParseMAC(value)
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if err != nil {
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return ErrNotMac
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}
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return nil
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}
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// makeMac makes a checker function for the ip checker.
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func makeMac(_ string) CheckFunc {
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return checkMac
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}
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// checkMac checks if the given value is a valid an IEEE 802 MAC-48, EUI-48, EUI-64, or a 20-octet IP over InfiniBand link-layer address.
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func checkMac(value, _ reflect.Value) error {
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if value.Kind() != reflect.String {
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panic("string expected")
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}
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return IsMac(value.String())
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}
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