tests: FILS SK ERP and ERP flush on server, but not on peer

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/tests/hwsim/test_fils.py b/tests/hwsim/test_fils.py
index 2d531a6369407cdbcd0bc2411787f6a7af8c1c78..b913ab191fa48bb7abf2a7e8fe5e7edbf52604e4 100644 (file)
--- a/tests/hwsim/test_fils.py
+++ b/tests/hwsim/test_fils.py
@@ -370,6 +370,7 @@ def run_fils_sk_erp(dev, apdev, key_mgmt, params):
     hwsim_utils.test_connectivity(dev[0], hapd)
 
 def test_fils_sk_erp_followed_by_pmksa_caching(dev, apdev, params):
+    """FILS SK ERP following by PMKSA caching"""
     check_fils_capa(dev[0])
     check_erp_capa(dev[0])
 
@@ -1953,3 +1954,83 @@ def test_fils_assoc_replay(dev, apdev, params):
 
     if not ok:
         raise Exception("The second hwsim connectivity test failed")
+
+def test_fils_sk_erp_server_flush(dev, apdev, params):
+    """FILS SK ERP and ERP flush on server, but not on peer"""
+    check_fils_capa(dev[0])
+    check_erp_capa(dev[0])
+
+    hapd_as = start_erp_as(apdev[1], msk_dump=os.path.join(params['logdir'],
+                                                           "msk.lst"))
+
+    bssid = apdev[0]['bssid']
+    params = hostapd.wpa2_eap_params(ssid="fils")
+    params['wpa_key_mgmt'] = "FILS-SHA256"
+    params['auth_server_port'] = "18128"
+    params['erp_domain'] = 'example.com'
+    params['fils_realm'] = 'example.com'
+    params['disable_pmksa_caching'] = '1'
+    hapd = hostapd.add_ap(apdev[0]['ifname'], params)
+
+    dev[0].scan_for_bss(bssid, freq=2412)
+    dev[0].request("ERP_FLUSH")
+    id = dev[0].connect("fils", key_mgmt="FILS-SHA256",
+                        eap="PSK", identity="psk.user@example.com",
+                        password_hex="0123456789abcdef0123456789abcdef",
+                        erp="1", scan_freq="2412")
+
+    dev[0].request("DISCONNECT")
+    dev[0].wait_disconnected()
+
+    dev[0].dump_monitor()
+    dev[0].select_network(id, freq=2412)
+    ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+                            "EVENT-ASSOC-REJECT",
+                            "CTRL-EVENT-CONNECTED"], timeout=10)
+    if ev is None:
+        raise Exception("Connection using FILS/ERP timed out")
+    if "CTRL-EVENT-EAP-STARTED" in ev:
+        raise Exception("Unexpected EAP exchange")
+    if "EVENT-ASSOC-REJECT" in ev:
+        raise Exception("Association failed")
+
+    dev[0].request("DISCONNECT")
+    dev[0].wait_disconnected()
+
+    hapd_as.request("ERP_FLUSH")
+    dev[0].dump_monitor()
+    dev[0].select_network(id, freq=2412)
+    ev = dev[0].wait_event(["CTRL-EVENT-AUTH-REJECT"], timeout=10)
+    if ev is None:
+        raise Exception("No authentication rejection seen after ERP flush on server")
+
+    ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+                            "CTRL-EVENT-AUTH-REJECT",
+                            "EVENT-ASSOC-REJECT",
+                            "CTRL-EVENT-CONNECTED"], timeout=10)
+    if ev is None:
+        raise Exception("Connection attempt using FILS/ERP timed out")
+    if "CTRL-EVENT-AUTH-REJECT" in ev:
+        raise Exception("Failed to recover from ERP flush on server")
+    if "EVENT-ASSOC-REJECT" in ev:
+        raise Exception("Association failed")
+    if "CTRL-EVENT-EAP-STARTED" not in ev:
+        raise Exception("New EAP exchange not seen")
+    dev[0].wait_connected(error="Connection timeout after ERP flush")
+
+    dev[0].request("DISCONNECT")
+    dev[0].wait_disconnected()
+    dev[0].dump_monitor()
+    dev[0].select_network(id, freq=2412)
+    ev = dev[0].wait_event(["CTRL-EVENT-EAP-STARTED",
+                            "CTRL-EVENT-AUTH-REJECT",
+                            "EVENT-ASSOC-REJECT",
+                            "CTRL-EVENT-CONNECTED"], timeout=10)
+    if ev is None:
+        raise Exception("Connection attempt using FILS with new ERP keys timed out")
+    if "CTRL-EVENT-AUTH-REJECT" in ev:
+        raise Exception("Authentication failed with new ERP keys")
+    if "EVENT-ASSOC-REJECT" in ev:
+        raise Exception("Association failed with new ERP keys")
+    if "CTRL-EVENT-EAP-STARTED" in ev:
+        raise Exception("Unexpected EAP exchange")