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https://github.com/CHN-beta/nixos.git
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333 lines
13 KiB
Nix
333 lines
13 KiB
Nix
inputs:
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{
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options.nixos.services.xray.client = let inherit (inputs.lib) mkOption types; in mkOption
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{
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type = types.nullOr (types.submodule (submoduleInputs: { options =
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{
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xray =
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{
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serverName = mkOption { type = types.nonEmptyStr; default = "xserver2.chn.moe"; };
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serverAddress = mkOption
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{
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type = types.nonEmptyStr;
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default = inputs.topInputs.self.config.dns."chn.moe".getAddress
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(inputs.lib.removeSuffix ".chn.moe" submoduleInputs.config.xray.serverName);
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};
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};
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dnsmasq =
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{
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extraInterfaces = mkOption { type = types.listOf types.nonEmptyStr; default = []; };
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hosts = mkOption { type = types.attrsOf types.nonEmptyStr; default = {}; };
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};
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v2ray-forwarder.asRouter = mkOption { type = types.bool; default = false; };
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};}));
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default = null;
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};
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config = let inherit (inputs.config.nixos.services.xray) client; in inputs.lib.mkIf (client != null)
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{
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services =
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{
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dnsmasq =
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{
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enable = true;
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settings =
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{
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no-poll = true;
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log-queries = true;
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server = [ "127.0.0.1#10853" ];
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interface = client.dnsmasq.extraInterfaces ++ [ "lo" ];
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bind-dynamic = true;
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address = builtins.map (host: "/${host.name}/${host.value}")
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(inputs.localLib.attrsToList client.dnsmasq.hosts);
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cname = [ "git.chn.moe,nas.ts.chn.moe" ];
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};
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};
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resolved.enable = false;
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};
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nixos.system.sops =
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{
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templates."xray-client.json" =
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{
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owner = inputs.config.users.users.v2ray.name;
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group = inputs.config.users.users.v2ray.group;
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content = builtins.toJSON
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{
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log.loglevel = "warning";
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dns =
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{
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servers =
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# 先尝试匹配域名列表进行查询，若匹配成功则使用前两个 dns 查询。
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# 若匹配域名列表失败，或者匹配成功但是查询到的 IP 不在期望的 IP 列表中，则回落到使用后两个 dns 依次查询。
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[
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{
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address = "https://223.5.5.5/dns-query";
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domains = [ "geosite:geolocation-cn" ];
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expectIPs = [ "geoip:cn" ];
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skipFallback = true;
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}
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{
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address = "8.8.8.8";
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domains = [ "geosite:geolocation-!cn" ];
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expectIPs = [ "geoip:!cn" ];
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skipFallback = true;
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}
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{ address = "https://223.5.5.5/dns-query"; expectIPs = [ "geoip:cn" ]; }
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{ address = "8.8.8.8"; }
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];
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disableCache = true;
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queryStrategy = "UseIPv4";
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tag = "dns-internal";
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};
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inbounds =
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[
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{
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port = 10853;
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protocol = "dokodemo-door";
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settings = { address = "8.8.8.8"; network = "tcp,udp"; port = 53; };
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tag = "dns-in";
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}
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{
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port = 10880;
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protocol = "dokodemo-door";
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settings = { network = "tcp,udp"; followRedirect = true; };
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streamSettings.sockopt.tproxy = "tproxy";
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sniffing = { enabled = true; destOverride = [ "http" "tls" "quic" ]; routeOnly = true; };
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tag = "common-in";
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}
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{
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port = 10881;
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protocol = "dokodemo-door";
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settings = { network = "tcp,udp"; followRedirect = true; };
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streamSettings.sockopt.tproxy = "tproxy";
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tag = "xmu-in";
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}
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{
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port = 10883;
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protocol = "dokodemo-door";
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settings = { network = "tcp,udp"; followRedirect = true; };
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streamSettings.sockopt.tproxy = "tproxy";
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tag = "proxy-in";
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}
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{ port = 10884; protocol = "socks"; settings.udp = true; tag = "proxy-socks-in"; }
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{ port = 10882; protocol = "socks"; settings.udp = true; tag = "direct-in"; }
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{
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port = 10885;
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protocol = "socks";
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settings.udp = true;
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sniffing = { enabled = true; destOverride = [ "http" "tls" "quic" ]; routeOnly = true; };
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tag = "common-socks-in";
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}
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];
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outbounds =
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[
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{
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protocol = "vless";
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settings.vnext =
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[{
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address = client.xray.serverAddress;
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port = 443;
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users =
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[{
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id = inputs.config.nixos.system.sops.placeholder."xray-client/uuid";
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encryption = "none";
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flow = "xtls-rprx-vision-udp443";
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}];
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}];
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streamSettings =
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{
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network = "raw";
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security = "reality";
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realitySettings =
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{
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inherit (client.xray) serverName;
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publicKey = "Nl0eVZoDF9d71_3dVsZGJl3UWR9LCv3B14gu7G6vhjk";
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fingerprint = "firefox";
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};
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};
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tag = "proxy-vless";
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}
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{ protocol = "freedom"; tag = "direct"; }
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{ protocol = "dns"; tag = "dns-out"; }
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{
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protocol = "socks";
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settings.servers = [{ address = "127.0.0.1"; port = 10069; }];
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tag = "xmu-out";
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}
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{ protocol = "blackhole"; tag = "block"; }
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];
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routing =
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{
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domainStrategy = "AsIs";
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rules = builtins.map (rule: rule // { type = "field"; })
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[
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{ inboundTag = [ "dns-in" ]; outboundTag = "dns-out"; }
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{ inboundTag = [ "dns-internal" ]; ip = [ "223.5.5.5" ]; outboundTag = "direct"; }
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{ inboundTag = [ "dns-internal" ]; ip = [ "8.8.8.8" ]; outboundTag = "proxy-vless"; }
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{ inboundTag = [ "dns-internal" ]; outboundTag = "block"; }
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{ inboundTag = [ "xmu-in" ]; outboundTag = "xmu-out"; }
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{ inboundTag = [ "direct-in" ]; outboundTag = "direct"; }
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{ inboundTag = [ "proxy-in" "proxy-socks-in" ]; outboundTag = "proxy-vless"; }
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{
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inboundTag = [ "common-in" "common-socks-in" ];
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domain = [ "geosite:geolocation-cn" ];
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outboundTag = "direct";
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}
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{
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inboundTag = [ "common-in" "common-socks-in" ];
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domain = [ "geosite:geolocation-!cn" ];
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outboundTag = "proxy-vless";
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}
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{
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inboundTag = [ "common-in" "common-socks-in" ];
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ip = [ "geoip:cn" "geoip:private" ];
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outboundTag = "direct";
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}
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{ inboundTag = [ "common-in" "common-socks-in" ]; outboundTag = "proxy-vless"; }
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];
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};
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};
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};
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secrets."xray-client/uuid" = {};
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};
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systemd =
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{
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services = inputs.lib.mkMerge
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[
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{
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xray-client =
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{
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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script = let config = inputs.config.nixos.system.sops.templates."xray-client.json".path; in
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"exec ${inputs.pkgs.xray}/bin/xray -config ${config}";
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serviceConfig =
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{
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User = "v2ray";
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Group = "v2ray";
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CapabilityBoundingSet = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE";
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AmbientCapabilities = "CAP_NET_ADMIN CAP_NET_BIND_SERVICE";
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NoNewPrivileges = true;
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LimitNPROC = 65536;
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LimitNOFILE = 524288;
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CPUSchedulingPolicy = "rr";
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};
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restartTriggers = [ inputs.config.nixos.system.sops.templates."xray-client.json".file ];
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};
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}
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(inputs.lib.mkIf (inputs.config.nixos.system.network.implementation == "networkmanager")
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{
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v2ray-forwarder =
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{
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description = "v2ray-forwarder Daemon";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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serviceConfig = let ip = "${inputs.pkgs.iproute2}/bin/ip"; in
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{
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Type = "oneshot";
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RemainAfterExit = true;
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ExecStart = inputs.pkgs.writeShellScript "v2ray-forwarder.start"
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''
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${ip} rule add fwmark 1/1 table 100 priority 5000
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${ip} route add local 0.0.0.0/0 dev lo table 100
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'';
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ExecStop = inputs.pkgs.writeShellScript "v2ray-forwarder.stop"
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''
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${ip} rule del fwmark 1/1 table 100 priority 5000
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${ip} route del local 0.0.0.0/0 dev lo table 100
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'';
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};
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};
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})
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];
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network.networks = inputs.lib.mkIf (inputs.config.nixos.system.network.implementation == "systemd-networkd")
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{
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"10-custom" =
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{
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matchConfig.Name = "lo";
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routes = [{ Table = 100; Destination = "0.0.0.0/0"; Type = "local"; }];
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routingPolicyRules = [{ FirewallMark = "1/1"; Table = 100; Priority = 5000; }];
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};
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};
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};
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users =
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{
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users.v2ray = { uid = inputs.config.nixos.user.uid.v2ray; group = "v2ray"; isSystemUser = true; };
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groups.v2ray.gid = inputs.config.nixos.user.gid.v2ray;
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};
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environment.etc."resolv.conf".text = "nameserver 127.0.0.1";
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networking =
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{
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nftables.tables.v2ray =
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{
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family = "inet";
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content =
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let
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autoPort = "10880";
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xmuPort = "10881";
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proxyPort = "10883";
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loNet =
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[
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"0.0.0.0/8" "10.0.0.0/8" "100.64.0.0/10" "127.0.0.0/8" "169.254.0.0/16" "172.16.0.0/12"
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"192.0.0.0/24" "192.88.99.0/24" "192.168.0.0/16" "59.77.0.143" "198.18.0.0/15"
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"198.51.100.0/24" "203.0.113.0/24" "224.0.0.0/4" "240.0.0.0/4"
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];
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loNetStr = builtins.concatStringsSep ", " loNet;
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noproxyUserStr = builtins.concatStringsSep ", " (builtins.map
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(user: builtins.toString inputs.config.nixos.user.uid.${user})
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[ "v2ray" "tailscale" ]);
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in
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''
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set lo_net { type ipv4_addr; flags interval; elements = { ${loNetStr} }; }
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set xmu_net { type ipv4_addr; flags interval; }
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set noproxy_net { type ipv4_addr; flags interval; elements = { 223.5.5.5 }; }
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set noproxy_src_net { type ipv4_addr; flags interval; }
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set proxy_net { type ipv4_addr; flags interval; elements = { 8.8.8.8 }; }
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chain prerouting {
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type filter hook prerouting priority mangle; policy accept;
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meta l4proto != { tcp, udp } counter return
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# 对于目标地址为本机的新建的流，标记并永不代理
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fib daddr type local ct state new counter ct mark set ct mark | 1 return
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ct mark & 1 == 1 counter return
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# 如果不作为路由器使用，则可以返回那些没有被标记的流量
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${if client.v2ray-forwarder.asRouter then "" else "meta mark & 1 == 0 counter return"}
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ip saddr @noproxy_src_net counter return
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ip daddr @noproxy_net counter return
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ip saddr != 172.16.0.0/12 ip daddr @xmu_net meta l4proto { tcp, udp } counter \
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tproxy ip to :${xmuPort} meta mark set meta mark | 1 return
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ip daddr @proxy_net meta l4proto { tcp, udp } counter tproxy ip to :${proxyPort} \
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meta mark set meta mark | 1 return
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ip daddr @lo_net counter return
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meta l4proto { tcp, udp } counter tproxy ip to :${autoPort} meta mark set meta mark | 1 return
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return
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}
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chain output {
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type route hook output priority mangle; policy accept;
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ct mark & 1 == 1 counter return
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meta skuid { ${noproxyUserStr} } counter return
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ip saddr @noproxy_src_net counter return
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ip daddr @noproxy_net counter return
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ip daddr @xmu_net counter meta mark set meta mark | 1 return
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ip daddr @proxy_net counter meta mark set meta mark | 1 return
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ip daddr @lo_net counter return
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meta l4proto { tcp, udp } counter meta mark set meta mark | 1 return
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return
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}
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'';
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};
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firewall =
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{
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allowedTCPPorts = [ 53 ];
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allowedUDPPorts = [ 53 ];
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allowedTCPPortRanges = [{ from = 10880; to = 10884; }];
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allowedUDPPortRanges = [{ from = 10880; to = 10884; }];
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};
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};
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};
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}
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