48 lines
1.3 KiB
Go
48 lines
1.3 KiB
Go
package route
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import (
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"context"
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"github.com/sagernet/sing-box/adapter"
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"github.com/sagernet/sing-tun"
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)
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func (r *Router) RouteIPConnection(ctx context.Context, conn tun.RouteContext, metadata adapter.InboundContext) tun.RouteAction {
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for i, rule := range r.ipRules {
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if rule.Match(&metadata) {
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if rule.Action() == tun.ActionTypeReject {
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r.logger.InfoContext(ctx, "match[", i, "] ", rule.String(), " => reject")
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return (*tun.ActionReject)(nil)
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}
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detour := rule.Outbound()
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r.logger.InfoContext(ctx, "match[", i, "] ", rule.String(), " => ", detour)
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outbound, loaded := r.Outbound(detour)
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if !loaded {
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r.logger.ErrorContext(ctx, "outbound not found: ", detour)
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break
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}
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ipOutbound, loaded := outbound.(adapter.IPOutbound)
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if !loaded {
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r.logger.ErrorContext(ctx, "outbound have no ip connection support: ", detour)
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break
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}
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destination, err := ipOutbound.NewIPConnection(ctx, conn, metadata)
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if err != nil {
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r.logger.ErrorContext(ctx, err)
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break
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}
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return &tun.ActionDirect{DirectDestination: destination}
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}
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}
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return (*tun.ActionReturn)(nil)
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}
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func (r *Router) NatRequired(outbound string) bool {
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for _, ipRule := range r.ipRules {
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if ipRule.Outbound() == outbound {
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return true
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}
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}
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return false
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}
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