mirror of
https://github.com/SagerNet/sing-box.git
synced 2024-12-27 03:15:40 +08:00
31 lines
627 B
Go
31 lines
627 B
Go
package rule
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import (
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"github.com/sagernet/sing-box/adapter"
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)
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var _ RuleItem = (*IPVersionItem)(nil)
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type IPVersionItem struct {
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isIPv6 bool
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}
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func NewIPVersionItem(isIPv6 bool) *IPVersionItem {
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return &IPVersionItem{isIPv6}
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}
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func (r *IPVersionItem) Match(metadata *adapter.InboundContext) bool {
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return metadata.IPVersion != 0 && metadata.IPVersion == 6 == r.isIPv6 ||
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metadata.Destination.IsIP() && metadata.Destination.IsIPv6() == r.isIPv6
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}
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func (r *IPVersionItem) String() string {
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var versionStr string
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if r.isIPv6 {
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versionStr = "6"
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} else {
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versionStr = "4"
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}
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return "ip_version=" + versionStr
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}
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