114 lines
2.9 KiB
Nix
114 lines
2.9 KiB
Nix
{ config, lib, pkgs, ... }:
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with lib;
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let
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cfg = config.services.physlock;
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in
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{
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###### interface
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options = {
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services.physlock = {
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enable = mkOption {
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type = types.bool;
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default = false;
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description = ''
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Whether to enable the <command>physlock</command> screen locking mechanism.
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Enable this and then run <command>systemctl start physlock</command>
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to securely lock the screen.
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This will switch to a new virtual terminal, turn off console
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switching and disable SysRq mechanism (when
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<option>services.physlock.disableSysRq</option> is set)
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until the root or <option>services.physlock.user</option>
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password is given.
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'';
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};
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user = mkOption {
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type = types.nullOr types.str;
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default = null;
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description = ''
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User whose password will be used to unlock the screen on par
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with the root password.
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'';
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};
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disableSysRq = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to disable SysRq when locked with physlock.
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'';
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};
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lockOn = {
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suspend = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to lock screen with physlock just before suspend.
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'';
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};
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hibernate = mkOption {
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type = types.bool;
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default = true;
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description = ''
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Whether to lock screen with physlock just before hibernate.
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'';
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};
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extraTargets = mkOption {
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type = types.listOf types.str;
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default = [];
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example = [ "display-manager.service" ];
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description = ''
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Other targets to lock the screen just before.
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Useful if you want to e.g. both autologin to X11 so that
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your <filename>~/.xsession</filename> gets executed and
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still to have the screen locked so that the system can be
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booted relatively unattended.
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'';
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};
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};
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};
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};
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###### implementation
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config = mkIf cfg.enable {
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# for physlock -l and physlock -L
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environment.systemPackages = [ pkgs.physlock ];
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systemd.services."physlock" = {
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enable = true;
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description = "Physlock";
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wantedBy = optional cfg.lockOn.suspend "suspend.target"
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++ optional cfg.lockOn.hibernate "hibernate.target"
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++ cfg.lockOn.extraTargets;
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before = optional cfg.lockOn.suspend "systemd-suspend.service"
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++ optional cfg.lockOn.hibernate "systemd-hibernate.service"
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++ cfg.lockOn.extraTargets;
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serviceConfig.Type = "forking";
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script = ''
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${pkgs.physlock}/bin/physlock -d${optionalString cfg.disableSysRq "s"}${optionalString (cfg.user != null) " -u ${cfg.user}"}
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'';
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};
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};
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}
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