nixpkgs/nixos/modules/programs/x2goserver.nix
2020-11-24 12:42:06 -05:00

150 lines
4.9 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.programs.x2goserver;
defaults = {
superenicer = { enable = cfg.superenicer.enable; };
};
confText = generators.toINI {} (recursiveUpdate defaults cfg.settings);
x2goServerConf = pkgs.writeText "x2goserver.conf" confText;
x2goAgentOptions = pkgs.writeText "x2goagent.options" ''
X2GO_NXOPTIONS=""
X2GO_NXAGENT_DEFAULT_OPTIONS="${concatStringsSep " " cfg.nxagentDefaultOptions}"
'';
in {
options.programs.x2goserver = {
enable = mkEnableOption "x2goserver" // {
description = ''
Enables the x2goserver module.
NOTE: This will create a good amount of symlinks in `/usr/local/bin`
'';
};
superenicer = {
enable = mkEnableOption "superenicer" // {
description = ''
Enables the SupeReNicer code in x2gocleansessions, this will renice
suspended sessions to nice level 19 and renice them to level 0 if the
session becomes marked as running again
'';
};
};
nxagentDefaultOptions = mkOption {
type = types.listOf types.str;
default = [ "-extension GLX" "-nolisten tcp" ];
example = [ "-extension GLX" "-nolisten tcp" ];
description = ''
List of default nx agent options.
'';
};
settings = mkOption {
type = types.attrsOf types.attrs;
default = {};
description = ''
x2goserver.conf ini configuration as nix attributes. See
`x2goserver.conf(5)` for details
'';
example = literalExample ''
superenicer = {
"enable" = "yes";
"idle-nice-level" = 19;
};
telekinesis = { "enable" = "no"; };
'';
};
};
config = mkIf cfg.enable {
environment.systemPackages = [ pkgs.x2goserver ];
users.groups.x2go = {};
users.users.x2go = {
home = "/var/lib/x2go/db";
group = "x2go";
isSystemUser = true;
};
security.wrappers.x2gosqliteWrapper = {
source = "${pkgs.x2goserver}/lib/x2go/libx2go-server-db-sqlite3-wrapper.pl";
owner = "x2go";
group = "x2go";
setgid = true;
};
security.wrappers.x2goprintWrapper = {
source = "${pkgs.x2goserver}/bin/x2goprint";
owner = "x2go";
group = "x2go";
setgid = true;
};
systemd.tmpfiles.rules = with pkgs; [
"d /var/lib/x2go/ - x2go x2go - -"
"d /var/lib/x2go/db - x2go x2go - -"
"d /var/lib/x2go/conf - x2go x2go - -"
"d /run/x2go 0755 x2go x2go - -"
] ++
# x2goclient sends SSH commands with preset PATH set to
# "/usr/local/bin;/usr/bin;/bin". Since we cannot filter arbitrary ssh
# commands, we have to make the following executables available.
map (f: "L+ /usr/local/bin/${f} - - - - ${x2goserver}/bin/${f}") [
"x2goagent" "x2gobasepath" "x2gocleansessions" "x2gocmdexitmessage"
"x2godbadmin" "x2gofeature" "x2gofeaturelist" "x2gofm" "x2gogetapps"
"x2gogetservers" "x2golistdesktops" "x2golistmounts" "x2golistsessions"
"x2golistsessions_root" "x2golistshadowsessions" "x2gomountdirs"
"x2gopath" "x2goprint" "x2goresume-desktopsharing" "x2goresume-session"
"x2goruncommand" "x2goserver-run-extensions" "x2gosessionlimit"
"x2gosetkeyboard" "x2goshowblocks" "x2gostartagent"
"x2gosuspend-desktopsharing" "x2gosuspend-session"
"x2goterminate-desktopsharing" "x2goterminate-session"
"x2goumount-session" "x2goversion"
] ++ [
"L+ /usr/local/bin/awk - - - - ${gawk}/bin/awk"
"L+ /usr/local/bin/chmod - - - - ${coreutils}/bin/chmod"
"L+ /usr/local/bin/cp - - - - ${coreutils}/bin/cp"
"L+ /usr/local/bin/sed - - - - ${gnused}/bin/sed"
"L+ /usr/local/bin/setsid - - - - ${util-linux}/bin/setsid"
"L+ /usr/local/bin/xrandr - - - - ${xorg.xrandr}/bin/xrandr"
"L+ /usr/local/bin/xmodmap - - - - ${xorg.xmodmap}/bin/xmodmap"
];
systemd.services.x2goserver = {
description = "X2Go Server Daemon";
wantedBy = [ "multi-user.target" ];
unitConfig.Documentation = "man:x2goserver.conf(5)";
serviceConfig = {
Type = "forking";
ExecStart = "${pkgs.x2goserver}/bin/x2gocleansessions";
PIDFile = "/run/x2go/x2goserver.pid";
User = "x2go";
Group = "x2go";
RuntimeDirectory = "x2go";
StateDirectory = "x2go";
};
preStart = ''
if [ ! -e /var/lib/x2go/setup_ran ]
then
mkdir -p /var/lib/x2go/conf
cp -r ${pkgs.x2goserver}/etc/x2go/* /var/lib/x2go/conf/
ln -sf ${x2goServerConf} /var/lib/x2go/conf/x2goserver.conf
ln -sf ${x2goAgentOptions} /var/lib/x2go/conf/x2goagent.options
${pkgs.x2goserver}/bin/x2godbadmin --createdb
touch /var/lib/x2go/setup_ran
fi
'';
};
# https://bugs.x2go.org/cgi-bin/bugreport.cgi?bug=276
security.sudo.extraConfig = ''
Defaults env_keep+=QT_GRAPHICSSYSTEM
'';
};
}