Function AccountsPage

pkg/users/users.js:43–158

()

};

function AccountsPage() {
    const [isGroupsExpanded, setIsGroupsExpanded] = useState(false);
    const { path } = usePageLocation();
    const accounts = useFile("/etc/passwd", { syntax: etc_passwd_syntax });
    const groups = useFile("/etc/group", { syntax: etc_group_syntax });
    const shells = useFile("/etc/shells", { syntax: etc_shells_syntax });
    const current_user_info = useLoggedInUser();

    // Handle the case where logindef == null, i.e. the file does not exist.
    // While that's unusual, "empty /etc" is a goal, and it shouldn't crash the page.
    const [min_gid, setMinGid] = useState(500);
    const [max_gid, setMaxGid] = useState(60000);
    const [min_uid, setMinUid] = useState(500);
    const [max_uid, setMaxUid] = useState(60000);
    const [details, setDetails] = useState(null);

    useInit(async () => {
        const logind_client = cockpit.dbus("org.freedesktop.login1");

        const debouncedGetLoginDetails = debounce(100, () => {
            getLoginDetails(logind_client).then(setDetails);
        });

        /* We are mostly interested in UserNew/UserRemoved. But SessionRemoved happens immediately after logout,
         * while UserRemoved lags behind due to the "State: closing" period when the user's systemd instance
         * etc. are being cleaned up. Also, there's not that many signals and this is debounced, so just react to all
         * of them. See https://www.freedesktop.org/wiki/Software/systemd/logind/ */
        logind_client.subscribe({
            interface: "org.freedesktop.login1.Manager",
            path: "/org/freedesktop/login1",
        }, debouncedGetLoginDetails);

        let handleUtmp;

        // Watch /etc/shadow to register lock/unlock/expire changes; but avoid reading it, it's sensitive data
        const handleShadow = cockpit.file("/etc/shadow", { superuser: "try" });
        handleShadow.watch(() => debouncedGetLoginDetails(), { read: false });

        let handleLogindef;
        try {
            await fsinfo("/etc/login.defs", []);
            handleLogindef = cockpit.file("/etc/login.defs");
        } catch (ex) {
            handleLogindef = cockpit.file("/usr/etc/login.defs");
        }

        handleLogindef.watch((logindef) => {
            if (logindef === null)
                return;

            const minGid = parseInt(logindef.match(/^GID_MIN\s+(\d+)/m)[1]);
            const maxGid = parseInt(logindef.match(/^GID_MAX\s+(\d+)/m)[1]);
            const minUid = parseInt(logindef.match(/^UID_MIN\s+(\d+)/m)[1]);
            const maxUid = parseInt(logindef.match(/^UID_MAX\s+(\d+)/m)[1]);

            if (minGid)
                setMinGid(minGid);
            if (maxGid)