47 lines
1.5 KiB
Nix
47 lines
1.5 KiB
Nix
{
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lib,
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config,
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pkgs,
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...
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}: let
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cfg = config.services.clash;
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in {
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options.services.clash = {
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enable = lib.mkEnableOption "Whether to enable Clash, A rule-based proxy in Go";
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package = lib.mkPackageOption pkgs "clash" {};
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};
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config = lib.mkIf cfg.enable {
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### User running clash
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users.groups."clash" = {};
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users.users."clash" = {
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isSystemUser = true;
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group = config.users.groups."clash".name;
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};
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### systemd service
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# https://en.clash.wiki/introduction/service.html#systemd
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# https://wiki.metacubex.one/startup/service/#systemd
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systemd.services."clash" = {
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description = "Clash daemon, A rule-based proxy in Go.";
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after = ["network-online.target"];
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wantedBy = ["multi-user.target"];
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serviceConfig = {
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# TODO: DynamicUser
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# DynamicUser = true;
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# LoadCredential = "credentials:${config.sops.secrets."clash-config".path}";
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# https://man.archlinux.org/man/systemd.exec.5
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ConfigurationDirectory = "clash";
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User = [config.users.users."clash".name];
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Group = [config.users.groups."clash".name];
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ExecStart = "${lib.getExe cfg.package} -d /etc/clash";
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# Capability, inherited from Clash wiki
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# https://man.archlinux.org/man/core/man-pages/capabilities.7.en
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CapabilityBoundingSet = ["CAP_NET_ADMIN" "CAP_NET_BIND_SERVICE" "CAP_NET_RAW"];
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AmbientCapabilities = ["CAP_NET_ADMIN" "CAP_NET_BIND_SERVICE" "CAP_NET_RAW"];
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};
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};
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};
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}
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