[PATCH 2/2] tests: add wps test with dynamic update

[Raphaël Mélotte <raphael.melotte@xxxxxxx>]

This test first configure hsotapd with an initial
SSID ('test-wpa2-psk-start').

Then a new SSID is configured ('test-wpa2-psk-new') using SET and
RELOAD.

Next, a station is associated using WPS, and the test verifies that
the new SSID was served to the station.

Signed-off-by: Raphaël Mélotte <raphael.melotte@xxxxxxx>
---
 tests/hwsim/test_ap_dynamic.py | 36 ++++++++++++++++++++++++++++++++++
 1 file changed, 36 insertions(+)

diff --git a/tests/hwsim/test_ap_dynamic.py b/tests/hwsim/test_ap_dynamic.py
index 96d35b9a2..ff03080f4 100644
--- a/tests/hwsim/test_ap_dynamic.py
+++ b/tests/hwsim/test_ap_dynamic.py
@@ -37,6 +37,42 @@ def test_ap_change_ssid(dev, apdev):
     dev[0].set_network_quoted(id, "ssid", "test-wpa2-psk-new")
     dev[0].connect_network(id)
 
+def test_ap_change_ssid_wps(dev, apdev):
+    """Dynamic SSID change with hostapd and WPA2-PSK using WPS"""
+    params = hostapd.wpa2_params(ssid="test-wpa2-psk-start",
+                                 passphrase="12345678")
+    # Use a psk and not the passphrase, because the psk will have to be computed again
+    # if we use a passphrase:
+    del params["wpa_passphrase"]
+    params["wpa_psk"] = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
+
+    params.update({"wps_state": "2", "eap_server": "1"})
+    bssid = apdev[0]['bssid']
+    hapd = hostapd.add_ap(apdev[0], params)
+
+    new_ssid = "test-wpa2-psk-new"
+    logger.info("Change SSID dynamically (WPS)")
+    res = hapd.request("SET ssid " + new_ssid)
+    if "OK" not in res:
+        raise Exception("SET command failed")
+    res = hapd.request("RELOAD")
+    if "OK" not in res:
+        raise Exception("RELOAD command failed")
+
+    # Connect to the new ssid using wps:
+    hapd.request("WPS_PBC")
+    if "PBC Status: Active" not in hapd.request("WPS_GET_STATUS"):
+        raise Exception("PBC status not shown correctly")
+
+    dev[0].request("WPS_PBC")
+    dev[0].wait_connected(timeout=20)
+    status = dev[0].get_status()
+    if status['wpa_state'] != 'COMPLETED' or status['bssid'] != bssid:
+        raise Exception("Not fully connected")
+    if status['ssid'] != new_ssid:
+        raise Exception("Unexpected SSID %s != %s" % (status['ssid'], new_ssid))
+    dev[0].request("DISCONNECT")
+
 def multi_check(apdev, dev, check, scan_opt=True):
     id = []
     num_bss = len(check)
-- 
2.29.2


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