106 lines
3.3 KiB
Plaintext
106 lines
3.3 KiB
Plaintext
define tcp_host = @empty_ipv6
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define udp_host = @empty_ipv6
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define tcp_proxy_ifnames = @empty_str
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define udp_proxy_ifnames = @empty_str
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define tcp_server_port = 443
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define udp_server_port = 443
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define tcp_local_port = 1080
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define udp_local_port = 1080
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## DO NOT CHANGE THIS LINE
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# need "ss_bp.slice", "ss_bp_tcp.slice", "ss_bp_udp.slice", "ss_fw.slice", "ss_fw_tcp.slice", "ss_fw_udp.slice"
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# this works since v4 rule is always loaded first
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add table ip6 output_deny
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delete table ip6 output_deny
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add table ip6 transparent_proxy_v6
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delete table ip6 transparent_proxy_v6
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table ip6 transparent_proxy_v6 {
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set empty_ipv6 {
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type ipv6_addr
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flags constant
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}
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set empty_str {
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typeof iifname
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flags constant
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}
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set chnroute {
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type ipv6_addr
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flags interval
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auto-merge
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elements = {
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::/127,
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::ffff:0:0/96,
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::ffff:0:0:0/96,
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64:ff9b::/96,
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64:ff9b:1::/48,
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100::/64,
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2001:0000::/32,
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2001:20::/28,
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2001:db8::/32,
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fc00::/7,
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fe80::/64,
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ff00::/8,
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}
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}
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# tcp part
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chain nat_prerouting {
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type nat hook prerouting priority dstnat
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policy accept
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meta l4proto tcp iifname $tcp_proxy_ifnames jump tcp_pre_redirect
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}
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chain nat_output {
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type nat hook output priority -100
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policy accept
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meta l4proto tcp socket cgroupv2 level 1 { "ss_bp.slice", "ss_bp_tcp.slice" } accept
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meta l4proto tcp socket cgroupv2 level 1 { "ss_fw.slice", "ss_fw_tcp.slice" } goto tcp_redirect
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meta l4proto tcp jump tcp_pre_redirect
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}
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chain tcp_pre_redirect {
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meta l4proto tcp ip6 daddr $tcp_host tcp dport != $tcp_server_port goto tcp_redirect
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meta l4proto tcp ip6 daddr $tcp_host accept
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meta l4proto tcp ip6 daddr != @chnroute goto tcp_redirect
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}
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chain tcp_redirect {
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meta l4proto tcp redirect to :$tcp_local_port
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}
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# udp part
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chain mangle_prerouting {
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type filter hook prerouting priority mangle
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policy accept
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meta l4proto udp iif lo meta mark 0xdeaf goto udp_tproxy
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meta l4proto udp iifname $udp_proxy_ifnames ip6 daddr != @chnroute goto udp_forward_conditional_tproxy
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}
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chain mangle_output {
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type route hook output priority mangle
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policy accept
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meta l4proto udp socket cgroupv2 level 1 { "ss_bp.slice", "ss_bp_udp.slice" } accept
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meta l4proto udp socket cgroupv2 level 1 { "ss_fw.slice", "ss_fw_udp.slice" } goto udp_output_mark
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meta l4proto udp ip6 daddr $udp_host udp dport != $udp_server_port goto udp_output_mark
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meta l4proto udp ip6 daddr $udp_host accept
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meta l4proto udp ip6 daddr != @chnroute goto udp_output_mark
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}
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chain udp_output_mark {
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meta l4proto udp mark set 0xdeaf
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}
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chain udp_forward_conditional_tproxy {
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meta l4proto udp ip6 daddr $udp_host udp dport != $udp_server_port meta mark set 0x0000deaf goto udp_tproxy
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meta l4proto udp ip6 daddr $udp_host accept
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meta l4proto udp ip6 daddr != @chnroute meta mark set 0x0000deaf goto udp_tproxy
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}
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chain udp_tproxy {
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meta l4proto udp tproxy to [::1]:$udp_local_port
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}
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}
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