async def scan_and_report(host, redis_connection):
print("scanning", host)
scanner = nmap.PortScanner()
# Run in executor doesn't allow for kwargs, so the arguments passed here
# are: self, host, ports, arguments, sudo.
result = await loop.run_in_executor(
executor, nmap.PortScanner.scan, scanner, host, None,
"-sn --dns-servers " + settings.LOCAL_DNS_ADDR, False)
entry = Host.from_nmap_scan_result(host, result)
await entry.save(redis_connection)
async def poll_scan_queue():
while app.is_running:
maybe_host = await app.redis_connection.lpop("scan_queue")
if maybe_host is not None:
scanner = nmap.PortScanner()
print("performing full scan on", maybe_host)
result = await app.loop.run_in_executor(
background_scan_executor, nmap.PortScanner.scan, scanner,
maybe_host, None,
"-A --dns-servers " + settings.LOCAL_DNS_ADDR, False)
entry = Host.from_nmap_scan_result(maybe_host, result)
await entry.save(app.redis_connection)
print(maybe_host, "scan complete")
await asyncio.sleep(5)