forked from mirrors/nixpkgs
119 lines
3.3 KiB
Nix
119 lines
3.3 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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runDir = "/var/run/clamav";
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logDir = "/var/log/clamav";
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clamavGroup = clamavUser;
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cfg = config.services.clamav;
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clamdConfigFile = pkgs.writeText "clamd.conf" ''
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DatabaseDirectory ${stateDir}
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LocalSocket ${runDir}/clamd.ctl
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LogFile ${logDir}/clamav.log
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PidFile ${runDir}/clamd.pid
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User clamav
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${cfg.daemon.extraConfig}
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'';
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pkg = pkgs.clamav.override { freshclamConf = cfg.updater.config; };
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in
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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 "clamd daemon";
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extraConfig = mkOption {
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type = types.lines;
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default = "";
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description = ''
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Extra configuration for clamd. Contents will be added verbatim to the
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configuration file.
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'';
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};
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};
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updater = {
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enable = mkEnableOption "freshclam updater";
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frequency = mkOption {
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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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config = mkOption {
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default = "";
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description = ''
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Extra configuration for freshclam. Contents will be added verbatim to the
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configuration file.
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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 or cfg.daemon.enable {
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environment.systemPackages = [ pkg ];
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users.extraUsers = singleton {
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name = clamavUser;
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uid = config.ids.uids.clamav;
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description = "ClamAV daemon user";
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home = stateDir;
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};
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users.extraGroups = singleton {
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name = clamavGroup;
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gid = config.ids.gids.clamav;
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};
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services.clamav.updater.config = mkIf cfg.updater.enable ''
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DatabaseDirectory ${stateDir}
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Foreground yes
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Checks ${toString cfg.updater.frequency}
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DatabaseMirror database.clamav.net
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'';
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systemd.services.clamd = mkIf cfg.daemon.enable {
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description = "ClamAV daemon (clamd)";
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path = [ pkg ];
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after = [ "network.target" "freshclam.service" ];
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requires = [ "freshclam.service" ];
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wantedBy = [ "multi-user.target" ];
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preStart = ''
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mkdir -m 0755 -p ${logDir}
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mkdir -m 0755 -p ${runDir}
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chown ${clamavUser}:${clamavGroup} ${logDir}
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chown ${clamavUser}:${clamavGroup} ${runDir}
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'';
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serviceConfig = {
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ExecStart = "${pkg}/bin/clamd --config-file=${clamdConfigFile}";
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Type = "forking";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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Restart = "on-failure";
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RestartSec = "10s";
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StartLimitInterval = "1min";
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};
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};
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systemd.services.freshclam = mkIf cfg.updater.enable {
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description = "ClamAV updater (freshclam)";
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after = [ "network.target" ];
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wantedBy = [ "multi-user.target" ];
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path = [ pkg ];
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preStart = ''
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mkdir -m 0755 -p ${stateDir}
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chown ${clamavUser}:${clamavGroup} ${stateDir}
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'';
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serviceConfig = {
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ExecStart = "${pkg}/bin/freshclam --daemon --config-file=${pkgs.writeText "freshclam.conf" cfg.updater.config}";
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ExecReload = "${pkgs.coreutils}/bin/kill -HUP $MAINPID";
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Restart = "on-failure";
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RestartSec = "10s";
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StartLimitInterval = "1min";
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};
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};
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};
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}
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