dev[0].wait_disconnected()
dev[0].wait_connected()
dev[0].dump_monitor()
+
+def test_pmksa_cache_size_limit(dev, apdev):
+ """PMKSA cache size limit in wpa_supplicant"""
+ try:
+ _test_pmksa_cache_size_limit(dev, apdev)
+ finally:
+ try:
+ hapd = hostapd.HostapdGlobal()
+ hapd.flush()
+ hapd.remove(apdev[0]['ifname'])
+ except:
+ pass
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ bssid = apdev[0]['bssid']
+ params['bssid'] = bssid
+ hostapd.add_ap(apdev[0]['ifname'], params)
+
+def _test_pmksa_cache_size_limit(dev, apdev):
+ params = hostapd.wpa2_eap_params(ssid="test-pmksa-cache")
+ id = dev[0].connect("test-pmksa-cache", proto="RSN", key_mgmt="WPA-EAP",
+ eap="GPSK", identity="gpsk user",
+ password="abcdefghijklmnop0123456789abcdef",
+ scan_freq="2412", only_add_network=True)
+ for i in range(33):
+ bssid = apdev[0]['bssid'][0:15] + "%02x" % i
+ logger.info("Iteration with BSSID " + bssid)
+ params['bssid'] = bssid
+ hostapd.add_ap(apdev[0]['ifname'], params)
+ dev[0].request("BSS_FLUSH 0")
+ dev[0].scan_for_bss(bssid, freq=2412, only_new=True)
+ dev[0].select_network(id)
+ dev[0].wait_connected()
+ dev[0].request("DISCONNECT")
+ dev[0].wait_disconnected()
+ dev[0].dump_monitor()
+ entries = len(dev[0].request("PMKSA").splitlines()) - 1
+ if i == 32:
+ if entries != 32:
+ raise Exception("Unexpected number of PMKSA entries after expected removal of the oldest entry")
+ elif i + 1 != entries:
+ raise Exception("Unexpected number of PMKSA entries")
+
+ hapd = hostapd.HostapdGlobal()
+ hapd.flush()
+ hapd.remove(apdev[0]['ifname'])
if ev is None:
raise Exception("Scan timed out")
- def scan_for_bss(self, bssid, freq=None, force_scan=False):
+ def scan_for_bss(self, bssid, freq=None, force_scan=False, only_new=False):
if not force_scan and self.get_bss(bssid) is not None:
return
for i in range(0, 10):
- self.scan(freq=freq, type="ONLY")
+ self.scan(freq=freq, type="ONLY", only_new=only_new)
if self.get_bss(bssid) is not None:
return
raise Exception("Could not find BSS " + bssid + " in scan")