-
Notifications
You must be signed in to change notification settings - Fork 0
/
mac.go
44 lines (36 loc) · 1.14 KB
/
mac.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
// Package checker is a Go library for validating user input through struct tags.
//
// https://github.com/cinar/checker
//
// Copyright 2023 Onur Cinar. All rights reserved.
// Use of this source code is governed by a MIT-style
// license that can be found in the LICENSE file.
//
package checker
import (
"net"
"reflect"
)
// CheckerMac is the name of the checker.
const CheckerMac = "mac"
// ResultNotMac indicates that the given value is not an MAC address.
const ResultNotMac = "NOT_MAC"
// 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.
func IsMac(value string) Result {
_, err := net.ParseMAC(value)
if err != nil {
return ResultNotMac
}
return ResultValid
}
// makeMac makes a checker function for the ip checker.
func makeMac(_ string) CheckFunc {
return checkMac
}
// 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.
func checkMac(value, _ reflect.Value) Result {
if value.Kind() != reflect.String {
panic("string expected")
}
return IsMac(value.String())
}