feat: MAC lookup in scan FDB (API mac-locations, UI table, index)

Made-with: Cursor

internal/scans/runner.go

@@ -364,48 +364,8 @@ func snmpNumericString(v any) string {
 	}
 }
 
-// normalizeMACKey приводит MAC к виду aa:bb:cc:dd:ee:ff для сопоставления FDB и ARP.
 func normalizeMACKey(s string) string {
-	s = strings.ToLower(strings.TrimSpace(s))
-	if s == "" {
-		return ""
-	}
-	s = strings.ReplaceAll(s, "-", ":")
-	if strings.Count(s, ":") == 5 {
-		parts := strings.Split(s, ":")
-		if len(parts) != 6 {
-			return ""
-		}
-		var b [6]byte
-		for i, p := range parts {
-			n, err := strconv.ParseUint(strings.TrimSpace(p), 16, 8)
-			if err != nil {
-				return ""
-			}
-			b[i] = byte(n)
-		}
-		return fmt.Sprintf("%02x:%02x:%02x:%02x:%02x:%02x", b[0], b[1], b[2], b[3], b[4], b[5])
-	}
-	if strings.HasPrefix(s, "0x") {
-		h := strings.TrimPrefix(s, "0x")
-		h = strings.ReplaceAll(h, ":", "")
-		if len(h) != 12 {
-			return ""
-		}
-		raw, err := hex.DecodeString(h)
-		if err != nil || len(raw) != 6 {
-			return ""
-		}
-		return fmt.Sprintf("%02x:%02x:%02x:%02x:%02x:%02x", raw[0], raw[1], raw[2], raw[3], raw[4], raw[5])
-	}
-	if len(s) == 12 {
-		raw, err := hex.DecodeString(s)
-		if err != nil || len(raw) != 6 {
-			return ""
-		}
-		return fmt.Sprintf("%02x:%02x:%02x:%02x:%02x:%02x", raw[0], raw[1], raw[2], raw[3], raw[4], raw[5])
-	}
-	return ""
+	return NormalizeMAC(s)
 }
 
 func dottedDecimalToMACTail(s string) string {