124 lines
3.3 KiB
Python
124 lines
3.3 KiB
Python
"""Consultas seguras al ASUS RT-AX88U PRO desde la Raspberry."""
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import html
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import re
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import shlex
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import subprocess
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import sys
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ROUTER = "jjminguez@192.168.50.1"
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KEY = "/home/pi/.ssh/router_control"
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SSH_BASE = [
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"ssh",
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"-i", KEY,
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"-o", "BatchMode=yes",
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"-o", "ConnectTimeout=8",
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ROUTER,
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]
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def _run(command):
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try:
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result = subprocess.run(
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SSH_BASE + [command],
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capture_output=True,
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text=True,
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timeout=15,
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)
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except Exception as exc:
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return f"Error conectando al router: {exc}"
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if result.returncode != 0:
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return f"Error del router: {result.stderr.strip()[-300:]}"
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return result.stdout.strip()
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def estado():
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output = _run(
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"printf '%s\\n' "
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"'Modelo='$(nvram get productid) "
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"'Firmware='$(nvram get firmver).$(nvram get buildno) "
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"'LAN='$(nvram get lan_ipaddr) "
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"'WAN='$(nvram get wan0_ipaddr) "
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"'WiFi24='$(nvram get wl0_radio) "
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"'WiFi5='$(nvram get wl1_radio); uptime"
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)
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return f"<pre>{html.escape(output)}</pre>"
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def wifi():
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output = _run(
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"printf '%s\\n' "
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"'2.4GHz='$(nvram get wl0_radio) "
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"'5GHz='$(nvram get wl1_radio) "
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"'6GHz='$(nvram get wl2_radio)"
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)
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return f"<pre>{html.escape(output)}</pre>"
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def clientes():
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output = _run("cat /proc/net/arp")
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return f"<pre>{html.escape(output)}</pre>"
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def _reservas_actuales(text):
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return re.findall(r"<([^>]+)>([^>]+)>>", text or "")
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def _inventario():
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leases = _run("cat /var/lib/misc/dnsmasq.leases")
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reservas = _reservas_actuales(_run("nvram get dhcp_staticlist"))
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by_mac = {mac.upper(): ip for mac, ip in reservas}
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devices = []
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for line in leases.splitlines():
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fields = line.split()
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if len(fields) < 4 or not fields[2].startswith("192.168.50."):
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continue
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mac, ip, name = fields[1].upper(), fields[2], fields[3]
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by_mac.setdefault(mac, ip)
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devices.append((ip, mac, name if name != "*" else "pendiente-identificar"))
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devices.sort(key=lambda item: int(item[0].rsplit(".", 1)[1]))
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return devices, by_mac
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def inventario():
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devices, _by_mac = _inventario()
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lines = ["IP MAC NOMBRE"]
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lines.extend(f"{ip:<18} {mac:<22} {name}" for ip, mac, name in devices)
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return f"<pre>{html.escape(chr(10).join(lines))}</pre>"
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def reservar_dhcp():
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devices, by_mac = _inventario()
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payload = "".join(f"<{mac}>{ip}>>" for mac, ip in by_mac.items())
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command = (
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f"nvram set dhcp_staticlist={shlex.quote(payload)}; "
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"nvram commit; service restart_dnsmasq"
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)
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result = _run(command)
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if result.startswith("Error "):
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return result
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return f"Reservas DHCP aplicadas: {len(by_mac)} dispositivos. Leases inventariados: {len(devices)}."
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def reservas():
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output = _run("nvram get dhcp_staticlist")
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return f"<pre>{html.escape(output)}</pre>"
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def reiniciar():
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return _run("reboot")
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if __name__ == "__main__":
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action = sys.argv[1] if len(sys.argv) > 1 else "estado"
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actions = {
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"estado": estado,
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"clientes": clientes,
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"wifi": wifi,
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"inventario": inventario,
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"reservar": reservar_dhcp,
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"reservas": reservas,
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}
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print(actions.get(action, estado)())
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