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these changes were generated with nixq 0.0.2, by running nixq ">> lib.mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> mdDoc[remove] Argument[keep]" --batchmode nixos/**.nix nixq ">> Inherit >> mdDoc[remove]" --batchmode nixos/**.nix two mentions of the mdDoc function remain in nixos/, both of which are inside of comments. Since lib.mdDoc is already defined as just id, this commit is a no-op as far as Nix (and the built manual) is concerned.
282 lines
9.1 KiB
Nix
282 lines
9.1 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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clamavUser = "clamav";
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stateDir = "/var/lib/clamav";
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clamavGroup = clamavUser;
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cfg = config.services.clamav;
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pkg = pkgs.clamav;
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toKeyValue = generators.toKeyValue {
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mkKeyValue = generators.mkKeyValueDefault { } " ";
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listsAsDuplicateKeys = true;
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};
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clamdConfigFile = pkgs.writeText "clamd.conf" (toKeyValue cfg.daemon.settings);
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freshclamConfigFile = pkgs.writeText "freshclam.conf" (toKeyValue cfg.updater.settings);
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fangfrischConfigFile = pkgs.writeText "fangfrisch.conf" ''
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${lib.generators.toINI {} cfg.fangfrisch.settings}
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'';
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in
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{
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imports = [
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(mkRemovedOptionModule [ "services" "clamav" "updater" "config" ] "Use services.clamav.updater.settings instead.")
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(mkRemovedOptionModule [ "services" "clamav" "updater" "extraConfig" ] "Use services.clamav.updater.settings instead.")
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(mkRemovedOptionModule [ "services" "clamav" "daemon" "extraConfig" ] "Use services.clamav.daemon.settings instead.")
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];
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options = {
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services.clamav = {
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daemon = {
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enable = mkEnableOption "ClamAV clamd daemon";
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settings = mkOption {
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type = with types; attrsOf (oneOf [ bool int str (listOf str) ]);
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default = { };
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description = ''
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ClamAV configuration. Refer to <https://linux.die.net/man/5/clamd.conf>,
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for details on supported values.
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'';
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};
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};
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updater = {
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enable = mkEnableOption "ClamAV freshclam updater";
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frequency = mkOption {
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type = types.int;
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default = 12;
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description = ''
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Number of database checks per day.
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'';
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};
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interval = mkOption {
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type = types.str;
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default = "hourly";
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description = ''
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How often freshclam is invoked. See systemd.time(7) for more
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information about the format.
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'';
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};
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settings = mkOption {
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type = with types; attrsOf (oneOf [ bool int str (listOf str) ]);
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default = { };
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description = ''
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freshclam configuration. Refer to <https://linux.die.net/man/5/freshclam.conf>,
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for details on supported values.
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'';
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};
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};
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fangfrisch = {
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enable = mkEnableOption "ClamAV fangfrisch updater";
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interval = mkOption {
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type = types.str;
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default = "hourly";
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description = ''
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How often freshclam is invoked. See systemd.time(7) for more
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information about the format.
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'';
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};
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settings = mkOption {
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type = lib.types.submodule {
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freeformType = with types; attrsOf (attrsOf (oneOf [ str int bool ]));
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};
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default = { };
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example = {
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securiteinfo = {
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enabled = "yes";
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customer_id = "your customer_id";
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};
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};
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description = ''
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fangfrisch configuration. Refer to <https://rseichter.github.io/fangfrisch/#_configuration>,
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for details on supported values.
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Note that by default urlhaus and sanesecurity are enabled.
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'';
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};
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};
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scanner = {
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enable = mkEnableOption "ClamAV scanner";
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interval = mkOption {
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type = types.str;
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default = "*-*-* 04:00:00";
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description = ''
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How often clamdscan is invoked. See systemd.time(7) for more
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information about the format.
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By default this runs using 10 cores at most, be sure to run it at a time of low traffic.
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'';
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};
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scanDirectories = mkOption {
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type = with types; listOf str;
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default = [ "/home" "/var/lib" "/tmp" "/etc" "/var/tmp" ];
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description = ''
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List of directories to scan.
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The default includes everything I could think of that is valid for nixos. Feel free to contribute a PR to add to the default if you see something missing.
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'';
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};
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};
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};
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};
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config = mkIf (cfg.updater.enable || cfg.daemon.enable) {
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environment.systemPackages = [ pkg ];
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users.users.${clamavUser} = {
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uid = config.ids.uids.clamav;
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group = clamavGroup;
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description = "ClamAV daemon user";
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home = stateDir;
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};
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users.groups.${clamavGroup} =
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{ gid = config.ids.gids.clamav; };
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services.clamav.daemon.settings = {
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DatabaseDirectory = stateDir;
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LocalSocket = "/run/clamav/clamd.ctl";
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PidFile = "/run/clamav/clamd.pid";
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User = "clamav";
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Foreground = true;
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};
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services.clamav.updater.settings = {
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DatabaseDirectory = stateDir;
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Foreground = true;
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Checks = cfg.updater.frequency;
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DatabaseMirror = [ "database.clamav.net" ];
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};
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services.clamav.fangfrisch.settings = {
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DEFAULT.db_url = mkDefault "sqlite:////var/lib/clamav/fangfrisch_db.sqlite";
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DEFAULT.local_directory = mkDefault stateDir;
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DEFAULT.log_level = mkDefault "INFO";
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urlhaus.enabled = mkDefault "yes";
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urlhaus.max_size = mkDefault "2MB";
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sanesecurity.enabled = mkDefault "yes";
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};
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environment.etc."clamav/freshclam.conf".source = freshclamConfigFile;
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environment.etc."clamav/clamd.conf".source = clamdConfigFile;
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systemd.services.clamav-daemon = mkIf cfg.daemon.enable {
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description = "ClamAV daemon (clamd)";
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after = optionals cfg.updater.enable [ "clamav-freshclam.service" ];
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wants = optionals cfg.updater.enable [ "clamav-freshclam.service" ];
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wantedBy = [ "multi-user.target" ];
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restartTriggers = [ clamdConfigFile ];
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serviceConfig = {
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ExecStart = "${pkg}/bin/clamd";
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ExecReload = "${pkgs.coreutils}/bin/kill -USR2 $MAINPID";
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User = clamavUser;
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Group = clamavGroup;
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StateDirectory = "clamav";
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RuntimeDirectory = "clamav";
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PrivateTmp = "yes";
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PrivateDevices = "yes";
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PrivateNetwork = "yes";
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};
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};
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systemd.timers.clamav-freshclam = mkIf cfg.updater.enable {
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description = "Timer for ClamAV virus database updater (freshclam)";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = cfg.updater.interval;
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Unit = "clamav-freshclam.service";
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};
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};
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systemd.services.clamav-freshclam = mkIf cfg.updater.enable {
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description = "ClamAV virus database updater (freshclam)";
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restartTriggers = [ freshclamConfigFile ];
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requires = [ "network-online.target" ];
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after = [ "network-online.target" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkg}/bin/freshclam";
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SuccessExitStatus = "1"; # if databases are up to date
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StateDirectory = "clamav";
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User = clamavUser;
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Group = clamavGroup;
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PrivateTmp = "yes";
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PrivateDevices = "yes";
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};
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};
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systemd.services.clamav-fangfrisch-init = mkIf cfg.fangfrisch.enable {
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wantedBy = [ "multi-user.target" ];
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# if the sqlite file can be found assume the database has already been initialised
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script = ''
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db_url="${cfg.fangfrisch.settings.DEFAULT.db_url}"
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db_path="''${db_url#sqlite:///}"
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if [ ! -f "$db_path" ]; then
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${pkgs.fangfrisch}/bin/fangfrisch --conf ${fangfrischConfigFile} initdb
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fi
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'';
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serviceConfig = {
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Type = "oneshot";
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StateDirectory = "clamav";
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User = clamavUser;
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Group = clamavGroup;
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PrivateTmp = "yes";
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PrivateDevices = "yes";
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};
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};
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systemd.timers.clamav-fangfrisch = mkIf cfg.fangfrisch.enable {
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description = "Timer for ClamAV virus database updater (fangfrisch)";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = cfg.fangfrisch.interval;
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Unit = "clamav-fangfrisch.service";
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};
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};
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systemd.services.clamav-fangfrisch = mkIf cfg.fangfrisch.enable {
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description = "ClamAV virus database updater (fangfrisch)";
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restartTriggers = [ fangfrischConfigFile ];
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requires = [ "network-online.target" ];
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after = [ "network-online.target" "clamav-fangfrisch-init.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkgs.fangfrisch}/bin/fangfrisch --conf ${fangfrischConfigFile} refresh";
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StateDirectory = "clamav";
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User = clamavUser;
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Group = clamavGroup;
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PrivateTmp = "yes";
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PrivateDevices = "yes";
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};
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};
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systemd.timers.clamdscan = mkIf cfg.scanner.enable {
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description = "Timer for ClamAV virus scanner";
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wantedBy = [ "timers.target" ];
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timerConfig = {
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OnCalendar = cfg.scanner.interval;
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Unit = "clamdscan.service";
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};
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};
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systemd.services.clamdscan = mkIf cfg.scanner.enable {
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description = "ClamAV virus scanner";
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after = optionals cfg.updater.enable [ "clamav-freshclam.service" ];
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wants = optionals cfg.updater.enable [ "clamav-freshclam.service" ];
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serviceConfig = {
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Type = "oneshot";
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ExecStart = "${pkg}/bin/clamdscan --multiscan --fdpass --infected --allmatch ${lib.concatStringsSep " " cfg.scanner.scanDirectories}";
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};
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};
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};
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}
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