47 lines
910 B
Go
47 lines
910 B
Go
package route
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import (
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"net/netip"
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"github.com/sagernet/sing-box/adapter"
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N "github.com/sagernet/sing/common/network"
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)
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var _ RuleItem = (*IPIsPrivateItem)(nil)
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type IPIsPrivateItem struct {
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isSource bool
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}
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func NewIPIsPrivateItem(isSource bool) *IPIsPrivateItem {
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return &IPIsPrivateItem{isSource}
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}
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func (r *IPIsPrivateItem) Match(metadata *adapter.InboundContext) bool {
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var destination netip.Addr
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if r.isSource {
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destination = metadata.Source.Addr
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} else {
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destination = metadata.Destination.Addr
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}
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if destination.IsValid() {
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return !N.IsPublicAddr(destination)
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}
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if !r.isSource {
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for _, destinationAddress := range metadata.DestinationAddresses {
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if !N.IsPublicAddr(destinationAddress) {
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return true
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}
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}
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}
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return false
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}
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func (r *IPIsPrivateItem) String() string {
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if r.isSource {
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return "source_ip_is_private=true"
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} else {
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return "ip_is_private=true"
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}
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}
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