106 lines
3 KiB
Nix
106 lines
3 KiB
Nix
|
{ config, lib, pkgs, ... }:
|
||
|
|
|
||
|
|
with lib;
|
||
|
|
let
|
||
|
|
cfg = config.services.signald;
|
||
|
|
dataDir = "/var/lib/signald";
|
||
|
|
defaultUser = "signald";
|
||
|
|
in
|
||
|
|
{
|
||
|
|
options.services.signald = {
|
||
|
|
enable = mkEnableOption "the signald service";
|
||
|
|
|
||
|
|
user = mkOption {
|
||
|
|
type = types.str;
|
||
|
|
default = defaultUser;
|
||
|
|
description = "User under which signald runs.";
|
||
|
|
};
|
||
|
|
|
||
|
|
group = mkOption {
|
||
|
|
type = types.str;
|
||
|
|
default = defaultUser;
|
||
|
|
description = "Group under which signald runs.";
|
||
|
|
};
|
||
|
|
|
||
|
|
socketPath = mkOption {
|
||
|
|
type = types.str;
|
||
|
|
default = "/run/signald/signald.sock";
|
||
|
|
description = "Path to the signald socket";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
config = mkIf cfg.enable {
|
||
|
|
users.users = optionalAttrs (cfg.user == defaultUser) {
|
||
|
|
${defaultUser} = {
|
||
|
|
group = cfg.group;
|
||
|
|
isSystemUser = true;
|
||
|
|
};
|
||
|
|
};
|
||
|
|
|
||
|
|
users.groups = optionalAttrs (cfg.group == defaultUser) {
|
||
|
|
${defaultUser} = { };
|
||
|
|
};
|
||
|
|
|
||
|
|
systemd.services.signald = {
|
||
|
|
description = "A daemon for interacting with the Signal Private Messenger";
|
||
|
|
wants = [ "network.target" ];
|
||
|
|
wantedBy = [ "multi-user.target" ];
|
||
|
|
after = [ "network.target" ];
|
||
|
|
|
||
|
|
serviceConfig = {
|
||
|
|
User = cfg.user;
|
||
|
|
Group = cfg.group;
|
||
|
|
ExecStart = "${pkgs.signald}/bin/signald -d ${dataDir} -s ${cfg.socketPath}";
|
||
|
|
Restart = "on-failure";
|
||
|
|
StateDirectory = "signald";
|
||
|
|
RuntimeDirectory = "signald";
|
||
|
|
StateDirectoryMode = "0750";
|
||
|
|
RuntimeDirectoryMode = "0750";
|
||
|
|
|
||
|
|
BindReadOnlyPaths = [
|
||
|
|
"/nix/store"
|
||
|
|
"-/etc/resolv.conf"
|
||
|
|
"-/etc/nsswitch.conf"
|
||
|
|
"-/etc/hosts"
|
||
|
|
"-/etc/localtime"
|
||
|
|
];
|
||
|
|
CapabilityBoundingSet = "";
|
||
|
|
# ProtectClock= adds DeviceAllow=char-rtc r
|
||
|
|
DeviceAllow = "";
|
||
|
|
# Use a static user so other applications can access the files
|
||
|
|
#DynamicUser = true;
|
||
|
|
LockPersonality = true;
|
||
|
|
# Needed for java
|
||
|
|
#MemoryDenyWriteExecute = true;
|
||
|
|
NoNewPrivileges = true;
|
||
|
|
PrivateDevices = true;
|
||
|
|
PrivateMounts = true;
|
||
|
|
# Needs network access
|
||
|
|
#PrivateNetwork = true;
|
||
|
|
PrivateTmp = true;
|
||
|
|
PrivateUsers = true;
|
||
|
|
ProcSubset = "pid";
|
||
|
|
ProtectClock = true;
|
||
|
|
ProtectHome = true;
|
||
|
|
ProtectHostname = true;
|
||
|
|
# Would re-mount paths ignored by temporary root
|
||
|
|
#ProtectSystem = "strict";
|
||
|
|
ProtectControlGroups = true;
|
||
|
|
ProtectKernelLogs = true;
|
||
|
|
ProtectKernelModules = true;
|
||
|
|
ProtectKernelTunables = true;
|
||
|
|
ProtectProc = "invisible";
|
||
|
|
RestrictAddressFamilies = [ "AF_INET" "AF_INET6" "AF_UNIX" ];
|
||
|
|
RestrictNamespaces = true;
|
||
|
|
RestrictRealtime = true;
|
||
|
|
RestrictSUIDSGID = true;
|
||
|
|
SystemCallArchitectures = "native";
|
||
|
|
SystemCallFilter = [ "@system-service" "~@privileged @resources @setuid @keyring" ];
|
||
|
|
TemporaryFileSystem = "/:ro";
|
||
|
|
# Does not work well with the temporary root
|
||
|
|
#UMask = "0066";
|
||
|
|
};
|
||
|
|
};
|
||
|
|
};
|
||
|
|
}
|