mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-11-25 16:58:41 -05:00
792eafa047
It seems to be possible for dev2 (the one with incorrect password) to stop retries before either dev0 or dev1 reports the authentication failure event. For now, allow the test case pass if either dev0 or dev1 reports the event rather than requiring both to report this. The expected behavior can be fine-tuned in the future if the reporting behavior is modified to be more consistent. Signed-off-by: Jouni Malinen <jouni@qca.qualcomm.com>
602 lines
21 KiB
Python
602 lines
21 KiB
Python
#!/usr/bin/python
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#
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# wpa_supplicant mesh mode tests
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# Copyright (c) 2014, cozybit Inc.
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import logging
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logger = logging.getLogger()
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import subprocess
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import hwsim_utils
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from wpasupplicant import WpaSupplicant
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from utils import HwsimSkip
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def check_mesh_support(dev, secure=False):
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if "MESH" not in dev.get_capability("modes"):
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raise HwsimSkip("Driver does not support mesh")
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if secure and "SAE" not in dev.get_capability("auth_alg"):
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raise HwsimSkip("SAE not supported")
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def check_mesh_scan(dev, params, other_started=False, beacon_int=0):
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if not other_started:
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dev.dump_monitor()
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id = dev.request("SCAN " + params)
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if "FAIL" in id:
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raise Exception("Failed to start scan")
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id = int(id)
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if other_started:
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ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Other scan did not start")
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if "id=" + str(id) in ev:
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raise Exception("Own scan id unexpectedly included in start event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Other scan did not complete")
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if "id=" + str(id) in ev:
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raise Exception(
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"Own scan id unexpectedly included in completed event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-STARTED"])
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if ev is None:
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raise Exception("Scan did not start")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in start event")
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ev = dev.wait_event(["CTRL-EVENT-SCAN-RESULTS"])
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if ev is None:
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raise Exception("Scan did not complete")
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if "id=" + str(id) not in ev:
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raise Exception("Scan id not included in completed event")
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res = dev.request("SCAN_RESULTS")
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if res.find("[MESH]") < 0:
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raise Exception("Scan did not contain a MESH network")
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bssid = res.splitlines()[1].split(' ')[0]
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bss = dev.get_bss(bssid)
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if bss is None:
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raise Exception("Could not get BSS entry for mesh")
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if 'mesh_capability' not in bss:
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raise Exception("mesh_capability missing from BSS entry")
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if beacon_int:
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if 'beacon_int' not in bss:
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raise Exception("beacon_int missing from BSS entry")
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if str(beacon_int) != bss['beacon_int']:
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raise Exception("Unexpected beacon_int in BSS entry: " + bss['beacon_int'])
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def check_mesh_group_added(dev):
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ev = dev.wait_event(["MESH-GROUP-STARTED"])
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if ev is None:
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raise Exception("Test exception: Couldn't join mesh")
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def check_mesh_group_removed(dev):
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ev = dev.wait_event(["MESH-GROUP-REMOVED"])
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if ev is None:
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raise Exception("Test exception: Couldn't leave mesh")
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def check_mesh_peer_connected(dev, timeout=10):
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ev = dev.wait_event(["MESH-PEER-CONNECTED"], timeout=timeout)
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if ev is None:
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raise Exception("Test exception: Remote peer did not connect.")
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def check_mesh_peer_disconnected(dev):
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ev = dev.wait_event(["MESH-PEER-DISCONNECTED"])
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if ev is None:
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raise Exception("Test exception: Peer disconnect event not detected.")
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def test_wpas_add_set_remove_support(dev):
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"""wpa_supplicant MESH add/set/remove network support"""
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check_mesh_support(dev[0])
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id = dev[0].add_network()
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dev[0].set_network(id, "mode", "5")
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dev[0].remove_network(id)
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def add_open_mesh_network(dev, freq="2412", start=True, beacon_int=0):
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id = dev.add_network()
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dev.set_network(id, "mode", "5")
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dev.set_network_quoted(id, "ssid", "wpas-mesh-open")
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dev.set_network(id, "key_mgmt", "NONE")
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dev.set_network(id, "frequency", freq)
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if beacon_int:
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dev.set_network(id, "beacon_int", str(beacon_int))
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if start:
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dev.mesh_group_add(id)
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return id
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def test_wpas_mesh_group_added(dev):
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"""wpa_supplicant MESH group add"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0])
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# Check for MESH-GROUP-STARTED event
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check_mesh_group_added(dev[0])
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def test_wpas_mesh_group_remove(dev):
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"""wpa_supplicant MESH group remove"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0])
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# Check for MESH-GROUP-STARTED event
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check_mesh_group_added(dev[0])
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dev[0].mesh_group_remove()
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# Check for MESH-GROUP-REMOVED event
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check_mesh_group_removed(dev[0])
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dev[0].mesh_group_remove()
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def test_wpas_mesh_peer_connected(dev):
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"""wpa_supplicant MESH peer connected"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0], beacon_int=160)
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add_open_mesh_network(dev[1], beacon_int=160)
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0])
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check_mesh_peer_connected(dev[1])
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def test_wpas_mesh_peer_disconnected(dev):
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"""wpa_supplicant MESH peer disconnected"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0])
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add_open_mesh_network(dev[1])
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0])
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check_mesh_peer_connected(dev[1])
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# Remove group on dev 1
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dev[1].mesh_group_remove()
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# Device 0 should get a disconnection event
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check_mesh_peer_disconnected(dev[0])
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def test_wpas_mesh_mode_scan(dev):
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"""wpa_supplicant MESH scan support"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0])
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add_open_mesh_network(dev[1], beacon_int=175)
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for Mesh scan
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check_mesh_scan(dev[0], "use_id=1", beacon_int=175)
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def test_wpas_mesh_open(dev, apdev):
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"""wpa_supplicant open MESH network connectivity"""
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check_mesh_support(dev[0])
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add_open_mesh_network(dev[0], freq="2462")
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add_open_mesh_network(dev[1], freq="2462")
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0])
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check_mesh_peer_connected(dev[1])
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# Test connectivity 0->1 and 1->0
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hwsim_utils.test_connectivity(dev[0], dev[1])
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def test_wpas_mesh_open_no_auto(dev, apdev):
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"""wpa_supplicant open MESH network connectivity"""
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check_mesh_support(dev[0])
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id = add_open_mesh_network(dev[0], start=False)
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dev[0].set_network(id, "dot11MeshMaxRetries", "16")
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dev[0].set_network(id, "dot11MeshRetryTimeout", "255")
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dev[0].mesh_group_add(id)
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id = add_open_mesh_network(dev[1], start=False)
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dev[1].set_network(id, "no_auto_peer", "1")
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dev[1].mesh_group_add(id)
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0], timeout=30)
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check_mesh_peer_connected(dev[1])
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# Test connectivity 0->1 and 1->0
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hwsim_utils.test_connectivity(dev[0], dev[1])
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def add_mesh_secure_net(dev, psk=True):
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id = dev.add_network()
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dev.set_network(id, "mode", "5")
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dev.set_network_quoted(id, "ssid", "wpas-mesh-sec")
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dev.set_network(id, "key_mgmt", "SAE")
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dev.set_network(id, "frequency", "2412")
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if psk:
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dev.set_network_quoted(id, "psk", "thisismypassphrase!")
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return id
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def test_wpas_mesh_secure(dev, apdev):
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"""wpa_supplicant secure MESH network connectivity"""
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check_mesh_support(dev[0], secure=True)
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dev[0].request("SET sae_groups ")
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id = add_mesh_secure_net(dev[0])
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dev[0].mesh_group_add(id)
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dev[1].request("SET sae_groups ")
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id = add_mesh_secure_net(dev[1])
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dev[1].mesh_group_add(id)
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0])
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check_mesh_peer_connected(dev[1])
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# Test connectivity 0->1 and 1->0
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hwsim_utils.test_connectivity(dev[0], dev[1])
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def test_wpas_mesh_secure_sae_group_mismatch(dev, apdev):
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"""wpa_supplicant secure MESH and SAE group mismatch"""
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check_mesh_support(dev[0], secure=True)
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addr0 = dev[0].p2p_interface_addr()
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addr1 = dev[1].p2p_interface_addr()
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addr2 = dev[2].p2p_interface_addr()
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dev[0].request("SET sae_groups 19 25")
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id = add_mesh_secure_net(dev[0])
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dev[0].mesh_group_add(id)
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dev[1].request("SET sae_groups 19")
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id = add_mesh_secure_net(dev[1])
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dev[1].mesh_group_add(id)
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dev[2].request("SET sae_groups 26")
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id = add_mesh_secure_net(dev[2])
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dev[2].mesh_group_add(id)
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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check_mesh_group_added(dev[2])
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ev = dev[0].wait_event(["MESH-PEER-CONNECTED"])
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if ev is None:
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raise Exception("Remote peer did not connect")
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if addr1 not in ev:
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raise Exception("Unexpected peer connected: " + ev)
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ev = dev[1].wait_event(["MESH-PEER-CONNECTED"])
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if ev is None:
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raise Exception("Remote peer did not connect")
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if addr0 not in ev:
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raise Exception("Unexpected peer connected: " + ev)
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ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
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if ev is not None:
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raise Exception("Unexpected peer connection at dev[2]: " + ev)
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ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
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if ev is not None:
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raise Exception("Unexpected peer connection: " + ev)
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ev = dev[1].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
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if ev is not None:
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raise Exception("Unexpected peer connection: " + ev)
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dev[0].request("SET sae_groups ")
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dev[1].request("SET sae_groups ")
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dev[2].request("SET sae_groups ")
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def test_wpas_mesh_secure_sae_missing_password(dev, apdev):
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"""wpa_supplicant secure MESH and missing SAE password"""
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check_mesh_support(dev[0], secure=True)
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id = add_mesh_secure_net(dev[0], psk=False)
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dev[0].set_network(id, "psk", "8f20b381f9b84371d61b5080ad85cac3c61ab3ca9525be5b2d0f4da3d979187a")
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dev[0].mesh_group_add(id)
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ev = dev[0].wait_event(["MESH-GROUP-STARTED", "Could not join mesh"],
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timeout=5)
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if ev is None:
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raise Exception("Timeout on mesh start event")
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if "MESH-GROUP-STARTED" in ev:
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raise Exception("Unexpected mesh group start")
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ev = dev[0].wait_event(["MESH-GROUP-STARTED"], timeout=0.1)
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if ev is not None:
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raise Exception("Unexpected mesh group start")
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def test_wpas_mesh_secure_no_auto(dev, apdev):
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"""wpa_supplicant secure MESH network connectivity"""
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check_mesh_support(dev[0], secure=True)
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dev[0].request("SET sae_groups 19")
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id = add_mesh_secure_net(dev[0])
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dev[0].mesh_group_add(id)
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dev[1].request("SET sae_groups 19")
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id = add_mesh_secure_net(dev[1])
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dev[1].set_network(id, "no_auto_peer", "1")
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dev[1].mesh_group_add(id)
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# Check for mesh joined
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check_mesh_group_added(dev[0])
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check_mesh_group_added(dev[1])
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# Check for peer connected
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check_mesh_peer_connected(dev[0], timeout=30)
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check_mesh_peer_connected(dev[1])
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# Test connectivity 0->1 and 1->0
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hwsim_utils.test_connectivity(dev[0], dev[1])
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dev[0].request("SET sae_groups ")
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dev[1].request("SET sae_groups ")
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def test_wpas_mesh_ctrl(dev):
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"""wpa_supplicant ctrl_iface mesh command error cases"""
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check_mesh_support(dev[0])
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if "FAIL" not in dev[0].request("MESH_GROUP_ADD 123"):
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raise Exception("Unexpected MESH_GROUP_ADD success")
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id = dev[0].add_network()
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if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
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raise Exception("Unexpected MESH_GROUP_ADD success")
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dev[0].set_network(id, "mode", "5")
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dev[0].set_network(id, "key_mgmt", "WPA-PSK")
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if "FAIL" not in dev[0].request("MESH_GROUP_ADD %d" % id):
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raise Exception("Unexpected MESH_GROUP_ADD success")
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if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE foo"):
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raise Exception("Unexpected MESH_GROUP_REMOVE success")
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def test_wpas_mesh_dynamic_interface(dev):
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"""wpa_supplicant mesh with dynamic interface"""
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check_mesh_support(dev[0])
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mesh0 = None
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mesh1 = None
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try:
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mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
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if "FAIL" in mesh0:
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raise Exception("MESH_INTERFACE_ADD failed")
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mesh1 = dev[1].request("MESH_INTERFACE_ADD")
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if "FAIL" in mesh1:
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raise Exception("MESH_INTERFACE_ADD failed")
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wpas0 = WpaSupplicant(ifname=mesh0)
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wpas1 = WpaSupplicant(ifname=mesh1)
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logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
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logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
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add_open_mesh_network(wpas0)
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add_open_mesh_network(wpas1)
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check_mesh_group_added(wpas0)
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check_mesh_group_added(wpas1)
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check_mesh_peer_connected(wpas0)
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check_mesh_peer_connected(wpas1)
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hwsim_utils.test_connectivity(wpas0, wpas1)
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# Must not allow MESH_GROUP_REMOVE on dynamic interface
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if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh0):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh1):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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# Must not allow MESH_GROUP_REMOVE on another radio interface
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if "FAIL" not in wpas0.request("MESH_GROUP_REMOVE " + mesh1):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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if "FAIL" not in wpas1.request("MESH_GROUP_REMOVE " + mesh0):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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wpas0.remove_ifname()
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wpas1.remove_ifname()
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if "OK" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
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raise Exception("MESH_GROUP_REMOVE failed")
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if "OK" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
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raise Exception("MESH_GROUP_REMOVE failed")
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if "FAIL" not in dev[0].request("MESH_GROUP_REMOVE " + mesh0):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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if "FAIL" not in dev[1].request("MESH_GROUP_REMOVE " + mesh1):
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raise Exception("Invalid MESH_GROUP_REMOVE accepted")
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logger.info("Make sure another dynamic group can be added")
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mesh0 = dev[0].request("MESH_INTERFACE_ADD ifname=mesh0")
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if "FAIL" in mesh0:
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raise Exception("MESH_INTERFACE_ADD failed")
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mesh1 = dev[1].request("MESH_INTERFACE_ADD")
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if "FAIL" in mesh1:
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raise Exception("MESH_INTERFACE_ADD failed")
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wpas0 = WpaSupplicant(ifname=mesh0)
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wpas1 = WpaSupplicant(ifname=mesh1)
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logger.info(mesh0 + " address " + wpas0.get_status_field("address"))
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logger.info(mesh1 + " address " + wpas1.get_status_field("address"))
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add_open_mesh_network(wpas0)
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add_open_mesh_network(wpas1)
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check_mesh_group_added(wpas0)
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check_mesh_group_added(wpas1)
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check_mesh_peer_connected(wpas0)
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check_mesh_peer_connected(wpas1)
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hwsim_utils.test_connectivity(wpas0, wpas1)
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finally:
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if mesh0:
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dev[0].request("MESH_GROUP_REMOVE " + mesh0)
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if mesh1:
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dev[1].request("MESH_GROUP_REMOVE " + mesh1)
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def test_wpas_mesh_max_peering(dev, apdev):
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"""Mesh max peering limit"""
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check_mesh_support(dev[0])
|
|
try:
|
|
dev[0].request("SET max_peer_links 1")
|
|
|
|
# first, connect dev[0] and dev[1]
|
|
add_open_mesh_network(dev[0])
|
|
add_open_mesh_network(dev[1])
|
|
for i in range(2):
|
|
ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
|
|
if ev is None:
|
|
raise Exception("dev%d did not connect with any peer" % i)
|
|
|
|
# add dev[2] which will try to connect with both dev[0] and dev[1],
|
|
# but can complete connection only with dev[1]
|
|
add_open_mesh_network(dev[2])
|
|
for i in range(1, 3):
|
|
ev = dev[i].wait_event(["MESH-PEER-CONNECTED"])
|
|
if ev is None:
|
|
raise Exception("dev%d did not connect the second peer" % i)
|
|
|
|
ev = dev[0].wait_event(["MESH-PEER-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("dev0 connection beyond max peering limit")
|
|
|
|
ev = dev[2].wait_event(["MESH-PEER-CONNECTED"], timeout=0.1)
|
|
if ev is not None:
|
|
raise Exception("dev2 reported unexpected peering: " + ev)
|
|
|
|
for i in range(3):
|
|
dev[i].mesh_group_remove()
|
|
check_mesh_group_removed(dev[i])
|
|
finally:
|
|
dev[0].request("SET max_peer_links 99")
|
|
|
|
def test_wpas_mesh_open_5ghz(dev, apdev):
|
|
"""wpa_supplicant open MESH network on 5 GHz band"""
|
|
try:
|
|
_test_wpas_mesh_open_5ghz(dev, apdev)
|
|
finally:
|
|
subprocess.call(['iw', 'reg', 'set', '00'])
|
|
dev[0].flush_scan_cache()
|
|
dev[1].flush_scan_cache()
|
|
|
|
def _test_wpas_mesh_open_5ghz(dev, apdev):
|
|
check_mesh_support(dev[0])
|
|
subprocess.call(['iw', 'reg', 'set', 'US'])
|
|
for i in range(2):
|
|
for j in range(5):
|
|
ev = dev[i].wait_event(["CTRL-EVENT-REGDOM-CHANGE"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("No regdom change event")
|
|
if "alpha2=US" in ev:
|
|
break
|
|
add_open_mesh_network(dev[i], freq="5180")
|
|
|
|
# Check for mesh joined
|
|
check_mesh_group_added(dev[0])
|
|
check_mesh_group_added(dev[1])
|
|
|
|
# Check for peer connected
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[1])
|
|
|
|
# Test connectivity 0->1 and 1->0
|
|
hwsim_utils.test_connectivity(dev[0], dev[1])
|
|
|
|
def test_wpas_mesh_password_mismatch(dev, apdev):
|
|
"""Mesh network and one device with mismatching password"""
|
|
check_mesh_support(dev[0], secure=True)
|
|
dev[0].request("SET sae_groups ")
|
|
id = add_mesh_secure_net(dev[0])
|
|
dev[0].mesh_group_add(id)
|
|
|
|
dev[1].request("SET sae_groups ")
|
|
id = add_mesh_secure_net(dev[1])
|
|
dev[1].mesh_group_add(id)
|
|
|
|
dev[2].request("SET sae_groups ")
|
|
id = add_mesh_secure_net(dev[2])
|
|
dev[2].set_network_quoted(id, "psk", "wrong password")
|
|
dev[2].mesh_group_add(id)
|
|
|
|
# The two peers with matching password need to be able to connect
|
|
check_mesh_group_added(dev[0])
|
|
check_mesh_group_added(dev[1])
|
|
check_mesh_peer_connected(dev[0])
|
|
check_mesh_peer_connected(dev[1])
|
|
|
|
ev = dev[2].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
|
|
if ev is None:
|
|
raise Exception("dev2 did not report auth failure (1)")
|
|
ev = dev[2].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
|
|
if ev is None:
|
|
raise Exception("dev2 did not report auth failure (2)")
|
|
|
|
count = 0
|
|
ev = dev[0].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=1)
|
|
if ev is None:
|
|
logger.info("dev0 did not report auth failure")
|
|
else:
|
|
if "addr=" + dev[2].own_addr() not in ev:
|
|
raise Exception("Unexpected peer address in dev0 event: " + ev)
|
|
count += 1
|
|
|
|
ev = dev[1].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=1)
|
|
if ev is None:
|
|
logger.info("dev1 did not report auth failure")
|
|
else:
|
|
if "addr=" + dev[2].own_addr() not in ev:
|
|
raise Exception("Unexpected peer address in dev1 event: " + ev)
|
|
count += 1
|
|
|
|
hwsim_utils.test_connectivity(dev[0], dev[1])
|
|
|
|
for i in range(2):
|
|
try:
|
|
hwsim_utils.test_connectivity(dev[i], dev[2], timeout=1)
|
|
raise Exception("Data connectivity test passed unexpectedly")
|
|
except Exception, e:
|
|
if "data delivery failed" not in str(e):
|
|
raise
|
|
|
|
if count == 0:
|
|
raise Exception("Neither dev0 nor dev1 reported auth failure")
|
|
|
|
def test_wpas_mesh_password_mismatch_retry(dev, apdev, params):
|
|
"""Mesh password mismatch and retry [long]"""
|
|
if not params['long']:
|
|
raise HwsimSkip("Skip test case with long duration due to --long not specified")
|
|
check_mesh_support(dev[0], secure=True)
|
|
dev[0].request("SET sae_groups ")
|
|
id = add_mesh_secure_net(dev[0])
|
|
dev[0].mesh_group_add(id)
|
|
|
|
dev[1].request("SET sae_groups ")
|
|
id = add_mesh_secure_net(dev[1])
|
|
dev[1].set_network_quoted(id, "psk", "wrong password")
|
|
dev[1].mesh_group_add(id)
|
|
|
|
# Check for mesh joined
|
|
check_mesh_group_added(dev[0])
|
|
check_mesh_group_added(dev[1])
|
|
|
|
for i in range(4):
|
|
ev = dev[0].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
|
|
if ev is None:
|
|
raise Exception("dev0 did not report auth failure (%d)" % i)
|
|
ev = dev[1].wait_event(["MESH-SAE-AUTH-FAILURE"], timeout=20)
|
|
if ev is None:
|
|
raise Exception("dev1 did not report auth failure (%d)" % i)
|
|
|
|
ev = dev[0].wait_event(["MESH-SAE-AUTH-BLOCKED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("dev0 did not report auth blocked")
|
|
ev = dev[1].wait_event(["MESH-SAE-AUTH-BLOCKED"], timeout=10)
|
|
if ev is None:
|
|
raise Exception("dev1 did not report auth blocked")
|