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15 lines
353 B
Go
15 lines
353 B
Go
package db
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import "strconv"
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// IsMacLocallyAdministered expects the mac in the format e.g. "20:c9:d0:7a:fa:31"
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// https://en.wikipedia.org/wiki/MAC_address
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func IsMacLocallyAdministered(mac string) bool {
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// 00000010
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const mask = 1 << 1
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first2chars := mac[:2]
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decimal, _ := strconv.ParseInt(first2chars, 16, 8)
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return (decimal & mask) == mask
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}
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