feat: traceroute support for WireGuard and Tailscale tunnels#4108
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xdqi wants to merge 3 commits intoSagerNet:testingfrom
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feat: traceroute support for WireGuard and Tailscale tunnels#4108xdqi wants to merge 3 commits intoSagerNet:testingfrom
xdqi wants to merge 3 commits intoSagerNet:testingfrom
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Add UDP and TCP DirectRoute handling to enable mtr --udp and mtr --tcp through WireGuard and other tunnels. - Add UDP DirectRoute with ICMPForwarder integration in direct outbound - Add TCP DirectRoute for traceroute in route matching - Pass ICMPForwarder to UDP/TCP forwarders in WireGuard stack - Fix safe type assertion for DirectRouteOutbound in PreMatch - Intercept ICMP errors in stackDevice before gVisor delivery - Use import aliases for sing-tun packages
Add max_traceroute_hop_limit configuration for TUN inbound and enable ICMP TTL decrement on WireGuard and Tailscale endpoints for VPN server mode. - Add MaxTracerouteHopLimit option to TUN inbound configuration - Pass local addresses to DirectRoute wrapper for TTL decrement - Use DirectRoute wrapper for WireGuard and Tailscale stacks - Enable ICMP TTL decrement on WG and Tailscale servers
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Add traceroute/mtr support for WireGuard and Tailscale TUN tunnels, enabling ICMP, UDP and TCP traceroute modes to work through proxy tunnels.
Features
max_traceroute_hop_limitoption to TUN inbound configurationdecrement_ttloption for DirectRoute behaviorDependencies
Changes
transport/wireguard/: DirectRoute integration in device_stack and device_natprotocol/direct/outbound.go: Pass TTL to direct outbound connectionsprotocol/group/: Selector and URLTest DirectRoute propagationprotocol/tun/inbound.go: Configurable max traceroute hop limitoption/tun.go: New TUN option fieldsroute/route.go: DirectRoute connection handling