31 lines
628 B
Go
31 lines
628 B
Go
package route
|
|
|
|
import (
|
|
"github.com/sagernet/sing-box/adapter"
|
|
)
|
|
|
|
var _ RuleItem = (*IPVersionItem)(nil)
|
|
|
|
type IPVersionItem struct {
|
|
isIPv6 bool
|
|
}
|
|
|
|
func NewIPVersionItem(isIPv6 bool) *IPVersionItem {
|
|
return &IPVersionItem{isIPv6}
|
|
}
|
|
|
|
func (r *IPVersionItem) Match(metadata *adapter.InboundContext) bool {
|
|
return metadata.IPVersion != 0 && metadata.IPVersion == 6 == r.isIPv6 ||
|
|
metadata.Destination.IsIP() && metadata.Destination.IsIPv6() == r.isIPv6
|
|
}
|
|
|
|
func (r *IPVersionItem) String() string {
|
|
var versionStr string
|
|
if r.isIPv6 {
|
|
versionStr = "6"
|
|
} else {
|
|
versionStr = "4"
|
|
}
|
|
return "ip_version=" + versionStr
|
|
}
|