def _handle_probe_request(self, request):
"""Handle an incoming PROBE_REQUEST message.
Args:
request, a PROBE_REQUEST message
Returns:
None
"""
wtp_addr = EtherAddress(request.wtp)
try:
wtp = RUNTIME.wtps[wtp_addr]
except KeyError:
LOG.info("Probe request from unknown WTP (%s)", wtp_addr)
return
if not wtp.connection:
LOG.info("Probe request from disconnected WTP %s", wtp_addr)
return
sta = EtherAddress(request.sta)
if sta in RUNTIME.lvaps:
return
if not RUNTIME.is_allowed(sta):
return
if RUNTIME.is_denied(sta):
return
ssid = SSID(request.ssid)
if request.ssid == b'':
LOG.info("Probe request from %s ssid %s", sta, "Broadcast")
else:
LOG.info("Probe request from %s ssid %s", sta, ssid)
# generate list of available SSIDs
ssids = set()
for tenant in RUNTIME.tenants.values():
if tenant.bssid_type == T_TYPE_SHARED:
continue
for wtp_in_tenant in tenant.wtps.values():
if wtp_addr == wtp_in_tenant.addr:
ssids.add(tenant.tenant_name)
if not ssids:
LOG.info("No SSIDs available at this WTP")
return
# spawn new LVAP
LOG.info("Spawning new LVAP %s on %s", sta, wtp.addr)
net_bssid = generate_bssid(BASE_MAC, sta)
lvap = LVAP(sta, net_bssid, net_bssid)
lvap.set_ssids(ssids)
RUNTIME.lvaps[sta] = lvap
# TODO: This should be built starting from the probe request
lvap.supports.add(ResourceBlock(lvap, sta, 1, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 2, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 3, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 4, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 5, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 6, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 7, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 8, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 9, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 10, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 11, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 36, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 48, BT_L20))
# This will trigger an LVAP ADD message (and REMOVE if necessary)
requested = ResourcePool()
hwaddr = EtherAddress(request.hwaddr)
channel = request.channel
band = request.band
requested.add(ResourceBlock(wtp, hwaddr, channel, band))
lvap.scheduled_on = wtp.supports & requested
LOG.info("Sending probe response to %s", lvap.addr)
self.send_probe_response(lvap)
def _handle_probe_request(self, wtp, request):
"""Handle an incoming PROBE_REQUEST message.
Args:
request, a PROBE_REQUEST message
Returns:
None
"""
if not wtp.connection:
LOG.info("Probe request from disconnected WTP %s", wtp.addr)
self.stream.close()
return
if not wtp.port():
LOG.info("WTP %s not ready", wtp.addr)
return
sta = EtherAddress(request.sta)
if sta in RUNTIME.lvaps:
return
if not RUNTIME.is_allowed(sta):
return
if RUNTIME.is_denied(sta):
return
ssid = SSID(request.ssid)
if request.ssid == b'':
LOG.info("Probe request from %s ssid %s", sta, "Broadcast")
else:
LOG.info("Probe request from %s ssid %s", sta, ssid)
# generate list of available SSIDs
ssids = set()
for tenant in RUNTIME.tenants.values():
if tenant.bssid_type == T_TYPE_SHARED:
continue
for wtp_in_tenant in tenant.wtps.values():
if wtp.addr == wtp_in_tenant.addr:
ssids.add(tenant.tenant_name)
if not ssids:
LOG.info("No SSIDs available at this WTP")
return
# spawn new LVAP
LOG.info("Spawning new LVAP %s on %s", sta, wtp.addr)
net_bssid = generate_bssid(BASE_MAC, sta)
lvap = LVAP(sta, net_bssid, net_bssid)
lvap.set_ssids(list(ssids))
RUNTIME.lvaps[sta] = lvap
# This will trigger an LVAP ADD message (and REMOVE if necessary)
lvap.supported = ResourcePool()
hwaddr = EtherAddress(request.hwaddr)
channel = request.channel
band = request.band
lvap.supported.add(ResourceBlock(lvap, hwaddr, channel, band))
lvap.scheduled_on = wtp.supports & lvap.supported
LOG.info("Sending probe response to %s", lvap.addr)
self.send_probe_response(lvap)
def _handle_probe_request(self, wtp, request):
"""Handle an incoming PROBE_REQUEST message.
Args:
request, a PROBE_REQUEST message
Returns:
None
"""
if not wtp.connection:
LOG.info("Probe request from disconnected WTP %s", wtp.addr)
self.stream.close()
return
if not wtp.port():
LOG.info("WTP %s not ready", wtp.addr)
return
sta = EtherAddress(request.sta)
if sta in RUNTIME.lvaps:
return
if not RUNTIME.is_allowed(sta):
return
if RUNTIME.is_denied(sta):
return
ssid = SSID(request.ssid)
if request.ssid == b'':
LOG.info("Probe request from %s ssid %s", sta, "Broadcast")
else:
LOG.info("Probe request from %s ssid %s", sta, ssid)
# generate list of available SSIDs
ssids = set()
for tenant in RUNTIME.tenants.values():
if tenant.bssid_type == T_TYPE_SHARED:
continue
for wtp_in_tenant in tenant.wtps.values():
if wtp.addr == wtp_in_tenant.addr:
ssids.add(tenant.tenant_name)
if not ssids:
LOG.info("No SSIDs available at this WTP")
return
# spawn new LVAP
LOG.info("Spawning new LVAP %s on %s", sta, wtp.addr)
net_bssid = generate_bssid(BASE_MAC, sta)
lvap = LVAP(sta, net_bssid, net_bssid)
lvap.set_ssids(list(ssids))
# set supported band
lvap.supported_band = request.supported_band
# Check if block is valid
incoming = ResourceBlock(wtp, EtherAddress(request.hwaddr),
request.channel, request.band)
valid = [block for block in wtp.supports if block == incoming]
if not valid:
LOG.warning("No valid intersection found. Ignoring request.")
return
# This will trigger an LVAP ADD message (and REMOVE if necessary)
lvap.blocks = valid[0]
# save LVAP in the runtime
RUNTIME.lvaps[sta] = lvap
LOG.info("Sending probe response to %s", lvap.addr)
self.send_probe_response(lvap, ssid)
def _handle_probe_request(self, wtp, request):
"""Handle an incoming PROBE_REQUEST message.
Args:
request, a PROBE_REQUEST message
Returns:
None
"""
if not wtp.connection:
LOG.info("Probe request from disconnected WTP %s", wtp.addr)
self.stream.close()
return
if not wtp.port():
LOG.info("WTP %s not ready", wtp.addr)
return
sta = EtherAddress(request.sta)
if sta in RUNTIME.lvaps:
return
if not RUNTIME.is_allowed(sta):
return
if RUNTIME.is_denied(sta):
return
ssid = SSID(request.ssid)
if request.ssid == b'':
LOG.info("Probe request from %s ssid %s", sta, "Broadcast")
else:
LOG.info("Probe request from %s ssid %s", sta, ssid)
# generate list of available SSIDs
ssids = set()
for tenant in RUNTIME.tenants.values():
if tenant.bssid_type == T_TYPE_SHARED:
continue
for wtp_in_tenant in tenant.wtps.values():
if wtp.addr == wtp_in_tenant.addr:
ssids.add(tenant.tenant_name)
if not ssids:
LOG.info("No SSIDs available at this WTP")
return
# spawn new LVAP
LOG.info("Spawning new LVAP %s on %s", sta, wtp.addr)
net_bssid = generate_bssid(BASE_MAC, sta)
lvap = LVAP(sta, net_bssid, net_bssid)
lvap.set_ssids(list(ssids))
RUNTIME.lvaps[sta] = lvap
# TODO: This should be built starting from the probe request
lvap.supports.add(ResourceBlock(lvap, sta, 1, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 2, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 3, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 4, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 5, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 6, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 7, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 8, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 9, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 10, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 11, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 36, BT_L20))
lvap.supports.add(ResourceBlock(lvap, sta, 48, BT_L20))
# This will trigger an LVAP ADD message (and REMOVE if necessary)
requested = ResourcePool()
hwaddr = EtherAddress(request.hwaddr)
channel = request.channel
band = request.band
requested.add(ResourceBlock(wtp, hwaddr, channel, band))
lvap.scheduled_on = wtp.supports & requested
LOG.info("Sending probe response to %s", lvap.addr)
self.send_probe_response(lvap)