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with import <stockholm/lib>;
{ config, pkgs, ... }: let
cfg = config.tv.slock;
in {
options.tv.slock = {
enable = mkEnableOption "tv.slock";
package = mkOption {
default = pkgs.execBin "slock" rec {
filename = "${pkgs.systemd}/bin/systemctl";
argv = [ filename "start" "slock-${cfg.user.name}.service" ];
};
type = types.package;
};
user = mkOption {
type = types.user;
};
};
config = mkIf cfg.enable {
security.polkit.extraConfig = /* js */ ''
polkit.addRule(function(action, subject) {
if (action.id == "org.freedesktop.systemd1.manage-units" &&
action.lookup("unit") == "slock-${cfg.user.name}.service" &&
subject.user == ${toJSON cfg.user.name}) {
return polkit.Result.YES;
}
});
'';
systemd.services."slock-${cfg.user.name}" = {
environment = {
DISPLAY = ":${toString config.services.xserver.display}";
LD_PRELOAD = pkgs.runCommandCC "slock-${cfg.user.name}.so" {
passAsFile = ["text"];
text = /* c */ ''
#include <shadow.h>
#include <unistd.h>
static struct spwd entry = {
.sp_namp = "",
.sp_pwdp =
${toC config.users.users.${cfg.user.name}.hashedPassword},
.sp_lstchg = 0,
.sp_min = 0,
.sp_max = 0,
.sp_warn = 0,
.sp_inact = 0,
.sp_expire = 0,
.sp_flag = 0,
};
extern struct spwd *getspnam(const char *name) { return &entry; }
extern int setgroups(size_t size, const gid_t *list) { return 0; }
extern int setgid(gid_t gid) { return 0; }
extern int setuid(uid_t uid) { return 0; }
'';
} /* sh */ ''
gcc -Wall -shared -o $out -xc "$textPath"
'';
};
restartIfChanged = false;
serviceConfig = {
ExecStart = "${pkgs.slock}/bin/slock";
OOMScoreAdjust = -1000;
Restart = "on-failure";
RestartSec = "100ms";
StartLimitBurst = 0;
SyslogIdentifier = "slock";
User = cfg.user.name;
};
};
};
}
|
