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nixpkgs/nixos/modules/services/misc/weechat.nix
Maximilian Bosch 018573b757
nixos/weechat: add setuid wrapper for `screen' to ensure true multiuser capabilities
Previously you either had to set the setuid bit yourself or workaround
`isSystemUser = true` (for a loginable shell) to access the weechat
screen.

`programs.screen` shouldn't do this by default to avoid taking too much
assumptions about the setup, however `services.weechat` explicitly
requires tihs.

See #45728
2018-10-10 11:11:34 +02:00

59 lines
1.4 KiB
Nix

{ config, lib, pkgs, ... }:
with lib;
let
cfg = config.services.weechat;
in
{
options.services.weechat = {
enable = mkEnableOption "weechat";
root = mkOption {
description = "Weechat state directory.";
type = types.str;
default = "/var/lib/weechat";
};
sessionName = mkOption {
description = "Name of the `screen' session for weechat.";
default = "weechat-screen";
type = types.str;
};
binary = mkOption {
description = "Binary to execute (by default \${weechat}/bin/weechat).";
example = literalExample ''
''${pkgs.weechat}/bin/weechat-headless
'';
default = "${pkgs.weechat}/bin/weechat";
};
};
config = mkIf cfg.enable {
users = {
groups.weechat = {};
users.weechat = {
createHome = true;
group = "weechat";
home = cfg.root;
isSystemUser = true;
};
};
systemd.services.weechat = {
environment.WEECHAT_HOME = cfg.root;
serviceConfig = {
User = "weechat";
Group = "weechat";
RemainAfterExit = "yes";
};
script = "exec ${config.security.wrapperDir}/screen -Dm -S ${cfg.sessionName} ${cfg.binary}";
wantedBy = [ "multi-user.target" ];
wants = [ "network.target" ];
};
security.wrappers.screen.source = "${pkgs.screen}/bin/screen";
};
meta.doc = ./weechat.xml;
}