fix: the status gives the number of connected OpenVPN clients at most 5 seconds old instead of up to a minute.

ADR.md

@@ -913,7 +913,7 @@ ticket gets the shell. The WebSocket of RFC 6455 is implemented on the standard
 web service's `http.server`, server side only, without extensions. `systemd-run --pty` starts the
 shell in a transient unit with a PAM login session, outside the sandbox, and `setsid --ctty`
 makes the terminal its controlling terminal so window sizes reach the shell. A shell idle for
-`web.shell_idle_minutes` is closed, and the journal records every opening and end. The Router
+`web.shell_idle_minutes` is closed, and the journal records every opening, end and refusal. The Router
 Manager checks the session and the WebSocket's origin, and relays the bytes to the router after
 both handshakes.
 

README.md

@@ -885,7 +885,7 @@ The status holds the state of `vpn-router-setup`, `slapd` and each PostgreSQL cl
 `vpn-router-manager` when that package is installed, of `strongswan` when site-to-site or
 road-warrior access is configured, of `wg-quick@wg0` when WireGuard is, and of
 `openvpn-server@vpn-router` when OpenVPN is; the number of connected
-OpenVPN clients, from the server's status file, which OpenVPN rewrites every minute; the package version and,
+OpenVPN clients, from the server's status file, which OpenVPN rewrites every 5 seconds; the package version and,
 as `manager_version`, the installed version of `vpn-router-manager` (`null`, shown as not installed, without it); whether
 Docker is installed, and when it is, the state of `docker.service` and of `vpn-router-docker`
 (the Docker rules), which do not change `status`; as `site_to_site`, the number of site-to-site
@@ -901,7 +901,7 @@ curl http://10.0.0.4:7081/status
 
 ### Tokens and signing in
 
-`/config`, `/users`, `/service-accounts`, `/groups`, `/site-to-site`, `/shell` and `/account` need a JWT in an `Authorization: Bearer` header, signed with
+`/config`, `/users`, `/service-accounts`, `/groups`, `/site-to-site`, `/backup`, `/remote-access`, `/ca`, `/shell` and `/account` need a JWT in an `Authorization: Bearer` header, signed with
 HS256 by the key the web service makes on its first run, `/etc/vpn-router/web.key` (root only).
 The key never leaves the router; while it does not exist these paths and `/auth` are not served
 (404). A missing, expired or wrongly signed token, or one of another algorithm, gets 401 with
@@ -984,7 +984,7 @@ the router are the terminal's output. The shell is a PAM login session of the co
 run by `systemd-run` in a transient unit `vpn-router-shell-<id>`; sudo works as for SSH. It is closed after `web.shell_idle_minutes` without a keystroke, when the shell
 exits, or when the connection closes; the router then sends a close frame with the reason. The
 journal of `vpn-router-web` records who opened each shell, from which address, in which unit,
-when it ended and why.
+when it ended and why, and each refused ticket or shell with the reason.
 
 ### The /config page
 
@@ -1142,6 +1142,23 @@ The answer of `GET /backup` holds:
 
 A change is made, checked and applied as for `/site-to-site`.
 
+### The /remote-access API
+
+`/remote-access` shows and changes the remote access systems, IKEv2 road-warrior (`p2s`),
+OpenVPN (`openvpn`) and WireGuard (`wireguard`), with the same token as `/users`.
+
+| Request | Body | Answer |
+| --- | --- | --- |
+| `GET /remote-access` | | `{"p2s", "openvpn", "wireguard", "running", "local_fqdn"}` |
+| `PUT /remote-access/<system>` | any of the settings of the section `p2s`, `openvpn` or `wireguard` | the section |
+
+`running` tells for each system whether setup runs it. IKEv2 and OpenVPN run once enabled with an
+address pool, `wan.local_fqdn` set and the router's VPN server certificate issued by the P2S CA;
+WireGuard once enabled with an address. A system enabled without its address pool or address is
+refused. A change is made, checked and applied as for `/site-to-site`. The router's firewall
+follows the settings; a cloud firewall in front of the router, such as an Azure network security
+group, must allow the OpenVPN and WireGuard ports itself.
+
 ### The /ca API
 
 `/ca` manages the PKI (see Certificates) with the same token as `/users`, with the module

debian-package/debian/changelog

@@ -1,3 +1,35 @@
+vpn-router (0.24.1-1) unstable; urgency=medium
+
+  fix: the status gives the number of connected OpenVPN clients at most 5 seconds old instead of up to a minute.
+
+  * The OpenVPN server writes its status file every 5 seconds, so a
+    refresh of the status shows clients that connected or left since.
+
+ -- Slawomir Koszewski <slawek@koszewscy.waw.pl>  Mon, 02 Nov 2026 23:30:00 +0100
+
+vpn-router (0.24.0-1) unstable; urgency=medium
+
+  feature: /remote-access of the web service shows and changes the settings of IKEv2 road-warrior, OpenVPN and WireGuard access and whether each runs, for the Router Manager's Remote access page.
+
+  * GET /remote-access answers the p2s, openvpn and wireguard sections,
+    which of them setup runs, and wan.local_fqdn; PUT
+    /remote-access/<system> changes one section and restarts setup.
+  * p2s.enabled and openvpn.enabled need their address_pool, and
+    wireguard.enabled its address.
+
+ -- Slawomir Koszewski <slawek@koszewscy.waw.pl>  Mon, 02 Nov 2026 23:00:00 +0100
+
+vpn-router (0.23.2-1) unstable; urgency=medium
+
+  fix: the shell of a user's own POSIX account opens on the first setup that sets up console login, and the journal records each refused shell with the reason.
+
+  * Setup restarts vpn-router-web when it adds ldap to the name service
+    switch, so the web service finds the POSIX accounts of the directory.
+  * The journal of vpn-router-web records each refused ticket and shell,
+    with the user, the address and the reason.
+
+ -- Slawomir Koszewski <slawek@koszewscy.waw.pl>  Mon, 02 Nov 2026 22:00:00 +0100
+
 vpn-router (0.23.1-1) unstable; urgency=medium
 
   fix: the shell runs as the console account of each member of admins, a local account or the user's own POSIX account in the directory, which also signs in with SSH and sudo, instead of one web.shell_user.

debian-package/src/usr/lib/vpn-router/setup

@@ -555,8 +555,8 @@ def manage_console(cfg):
 
     The local group vpnrouter_ldap.CONSOLE_GROUP is created when missing, and sudo lets its members run any command
     with their password. nslcd serves the directory's posixAccounts with console login on through the local socket,
-    and checks their passwords by binding as the user; the passwd line of the name service switch gains ldap, and PAM
-    creates a home at the first login. While ssh.ldap_login is true, sshd accepts the password of the group's members;
+    and checks their passwords by binding as the user; the passwd line of the name service switch gains ldap, which
+    restarts the web service, and PAM creates a home at the first login. While ssh.ldap_login is true, sshd accepts the password of the group's members;
     a drop-in sshd -t refuses is removed again.
     """
     group = vpnrouter_ldap.CONSOLE_GROUP
@@ -601,6 +601,9 @@ def manage_console(cfg):
                     for line in lines]
         if switched != lines:
             NSSWITCH.write_text(''.join(switched), encoding='utf-8')
+            # A running process keeps the name service switch it read first, so the web service's shell would not find
+            # the console accounts of the directory until it restarts.
+            run(['systemctl', 'try-restart', 'vpn-router-web.service'], check=False)
 
         if 'pam_mkhomedir' not in PAM_SESSION.read_text(encoding='utf-8'):
             run(['pam-auth-update', '--enable', 'mkhomedir'], check=False)

debian-package/src/usr/lib/vpn-router/vpnrouter.py

@@ -26,6 +26,7 @@ if str(LIB_DIR) not in sys.path:
 import vpnrouter_ldap
 import vpnrouter_pki
 import vpnrouter_platforms
+import vpnrouter_status
 from vpnrouter_net import DEFAULT_LISTEN, LISTEN_CHOICES, LOOPBACK, ConfigError, detect_interfaces, interface_addresses, ip_output
 
 CONFIG_FILE  = pathlib.Path('/etc/vpn-router/vpn-router.json')
@@ -435,6 +436,9 @@ def validate(cfg):
                 raise ValueError
         except ValueError:
             raise ConfigError(f'openvpn.address_pool: {openvpn_pool!r} is not an IPv4 network')
+    for system, option in (('p2s', 'address_pool'), ('openvpn', 'address_pool'), ('wireguard', 'address')):
+        if _get(cfg, system, 'enabled') and not _get(cfg, system, option):
+            raise ConfigError(f'{system}.enabled needs {system}.{option}')
     _check_address(_get(cfg, 'local', 'int_addr'), 'local.int_addr')
     _check_address(_get(cfg, 'local', 'int_gateway_ip'), 'local.int_gateway_ip')
 
@@ -893,6 +897,8 @@ def build_context(cfg, public_ip=None):
         'openvpn_protocol': _get(cfg, 'openvpn', 'protocol'),
         'openvpn_device':  OPENVPN_DEVICE,
         'openvpn_ldap_conf': str(OPENVPN_LDAP),
+        'openvpn_status':  vpnrouter_status.OPENVPN_STATUS,
+        'openvpn_status_seconds': vpnrouter_status.OPENVPN_STATUS_SECONDS,
         'p2s_dns_list':    _split_list(_join(local_addrs, _split_list(extras['EXTRA_P2S_DNS']))),
         'openvpn_ca':      str(vpnrouter_pki.OPENVPN_CA),
         'openvpn_crl':     str(vpnrouter_pki.OPENVPN_CRL),

debian-package/src/usr/lib/vpn-router/vpnrouter_status.py

@@ -12,6 +12,9 @@ COMMAND_TIMEOUT = 5
 
 OPENVPN_STATUS = '/run/openvpn-server/status-vpn-router.log'
 
+#: Seconds between two writes of OPENVPN_STATUS by the OpenVPN server, whose configuration sets it (OpenVPN's default is 60).
+OPENVPN_STATUS_SECONDS = 5
+
 #: Seconds since its last handshake within which a WireGuard peer counts as connected.
 WIREGUARD_CONNECTED_SECONDS = 180
 

debian-package/src/usr/lib/vpn-router/web

@@ -28,6 +28,9 @@ Pages:
            applied by vpn-router-setup (see site_to_site())
   /backup  the backup settings, the last run and the local archives: show, change and run
            now (see backup())
+  /remote-access
+           the settings of IKEv2 road-warrior, OpenVPN and WireGuard access and whether each
+           runs: show and change, applied by vpn-router-setup (see remote_access())
   /ca      the PKI: its settings, the root and issuing CAs, the certificates issued; change the
            settings, issue and revoke certificates, and take the certificate of an issuing CA
            and a root CRL signed offline (see ca())
@@ -46,7 +49,7 @@ Pages:
            the databases of each PostgreSQL cluster on the router with their sizes, as JSON (see
            postgresql_databases()); /config has the clusters' settings
 
-/status/full, /config, /metrics/history, /postgresql, /users, /service-accounts, /groups, /site-to-site, /backup, /ca, /shell and /account need an HS256 JWT in an Authorization: Bearer header signed
+/status/full, /config, /metrics/history, /postgresql, /users, /service-accounts, /groups, /site-to-site, /backup, /remote-access, /ca, /shell and /account need an HS256 JWT in an Authorization: Bearer header signed
 with vpnrouter_auth.WEB_KEY (see vpnrouter_auth.verify). A token of /auth names a user in sub;
 /account serves that user, and the other paths need a member of vpnrouter_users.ADMIN_GROUP. A
 token of vpn-router-token has the admin claim and names no user; it may call every path but
@@ -150,6 +153,9 @@ BODY_LIMIT = 65536
 #: The settings of a site_to_site connection that /site-to-site adds and changes.
 CONNECTION_SETTINGS = ('addrs', 'id', 'cidrs', 'local_cidrs', 'local_id_mode', 'auth', 'psk', 'remote_ca')
 
+#: The sections of the remote access systems /remote-access changes: IKEv2 road-warrior, OpenVPN and WireGuard.
+REMOTE_ACCESS = ('p2s', 'openvpn', 'wireguard')
+
 #: The HTTP status for each status of a vpnrouter_users.Failure; any other is 500.
 USER_STATUS = {2: 400, 3: 404, 4: 409, 5: 401}
 
@@ -814,6 +820,48 @@ def backup(method, path, body):
     return 200, {'settings': backup_settings(cfg['backup'])}
 
 
+def remote_access(state, method, path, body):
+    """Answer a /remote-access request: the HTTP status and the JSON document.
+
+      GET /remote-access            {"p2s", "openvpn", "wireguard", "running", "local_fqdn"}: the settings of the three
+                                    remote access systems (REMOTE_ACCESS), whether setup runs each (running: {p2s,
+                                    openvpn, wireguard}), and wan.local_fqdn, which IKEv2 and OpenVPN need with the
+                                    router's VPN server certificate
+      PUT /remote-access/<system>   change any of the settings of the system's section; answers the section
+
+    A change is made as /site-to-site makes one, and applied by restarting vpn-router-setup without waiting for it.
+    """
+    if body == 'invalid' or (body is not None and not isinstance(body, dict)):
+        return 400, {'error': 'the body must be a JSON object'}
+    body = body or {}
+    parts = path.strip('/').split('/')
+    try:
+        if (method, len(parts)) == ('GET', 1):
+            cfg = vpnrouter.load_config()
+            return 200, {**{system: cfg[system] for system in REMOTE_ACCESS},
+                         'running': {system: bool(state.get(system)) for system in REMOTE_ACCESS},
+                         'local_fqdn': cfg['wan']['local_fqdn']}
+        if method != 'PUT' or len(parts) != 2 or parts[1] not in REMOTE_ACCESS:
+            return 404, {'error': f'no route {method} {path}'}
+        system = parts[1]
+        settings = {option: body[option] for option in vpnrouter.SCHEMA[system] if option in body}
+        with vpnrouter.config_lock():
+            data = vpnrouter.read_settings()
+            current = data.get(system)
+            data[system] = {**(current if isinstance(current, dict) else {}), **settings}
+            cfg = vpnrouter.with_defaults(data)
+            vpnrouter.validate(cfg)
+            vpnrouter.save_config(data)
+    except vpnrouter.ConfigError as exc:
+        return 400, {'error': str(exc)}
+    except OSError as exc:
+        return 500, {'error': f'the configuration cannot be written: {exc}'}
+    except SystemExit as exc:
+        return 500, {'error': str(exc.code)}
+    run('systemctl', 'restart', '--no-block', 'vpn-router-setup.service')
+    return 200, cfg[system]
+
+
 def ca(method, path, body):
     """Answer a /ca request with vpnrouter_pki: the HTTP status and the JSON document.
 
@@ -1193,9 +1241,11 @@ class Handler(BaseHTTPRequestHandler):
         The ticket must come from POST /shell for the user named by the token. Binary messages of the client are its
         keystrokes, a text message {"cols", "rows"} sets the window size, and binary messages of the server are the
         terminal's output. The shell ends after web.shell_idle_minutes without a keystroke, when it exits, or when the
-        client closes the connection; the server then closes it with the reason. Each opening and end is logged.
+        client closes the connection; the server then closes it with the reason. Each opening, end and refusal is logged
+        with its reason.
         """
         def refuse(code, message):
+            log(f'shell of {name} from {self.client()} refused: {message}')
             body = json.dumps({'error': message}).encode() + b'\n'
             self.send_response(code)
             self.send_header('Content-Type', 'application/json')
@@ -1317,7 +1367,7 @@ class Handler(BaseHTTPRequestHandler):
         if self.command not in ('GET', 'HEAD'):
             self.close_connection = True
         directory = next((name for name in ('users', 'service-accounts', 'groups', 'account', 'site-to-site', 'backup',
-                                            'ca', 'shell')
+                                            'ca', 'shell', 'remote-access')
                           if path == f'/{name}' or path.startswith(f'/{name}/')), None)
         protected = path in ('/status/full', '/config', '/metrics/history', '/postgresql') or directory is not None
         signing = path in ('/auth', '/auth/refresh', '/auth/logout')
@@ -1360,6 +1410,8 @@ class Handler(BaseHTTPRequestHandler):
         elif directory == 'shell':
             code, document = shell_ticket(claims.get('sub'), payload) if (path, self.command) == ('/shell', 'POST') \
                 else (404, {'error': f'no route {self.command} {path}'})
+            if code != 200:
+                log(f'shell ticket of {claims.get("sub")} from {self.client()} refused: {document["error"]}')
             body, kind = json.dumps(document, indent=2).encode() + b'\n', 'application/json'
         elif directory == 'account':
             code, document = account(claims['sub'], self.command, path, payload)
@@ -1367,6 +1419,9 @@ class Handler(BaseHTTPRequestHandler):
         elif directory == 'site-to-site':
             code, document = site_to_site(self.command, path, payload)
             body, kind = json.dumps(document, indent=2).encode() + b'\n', 'application/json'
+        elif directory == 'remote-access':
+            code, document = remote_access(state, self.command, path, payload)
+            body, kind = json.dumps(document, indent=2).encode() + b'\n', 'application/json'
         elif directory == 'backup':
             code, document = backup(self.command, path, payload)
             body, kind = json.dumps(document, indent=2).encode() + b'\n', 'application/json'

debian-package/src/usr/share/vpn-router/templates/openvpn-server.conf.j2

@@ -24,6 +24,8 @@ push "route {{ network }} {{ netmask }}"
 push "dhcp-option DNS {{ address }}"
 {% endfor -%}
 
+status {{ openvpn_status }} {{ openvpn_status_seconds }}
+
 keepalive 10 120
 {% if openvpn_protocol == 'udp' -%}
 explicit-exit-notify 1