dcfb4d652a
It looks like mac80211 does not always manage to join the same IBSS and this can result in test_ibss_rsn failures. Detect this case and try to get the IBSSes to merge by running a scan prior to continuing with the test case. Signed-hostap: Jouni Malinen <j@w1.fi>
106 lines
3.7 KiB
Python
106 lines
3.7 KiB
Python
#!/usr/bin/python
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#
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# IBSS test cases
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# Copyright (c) 2013, Jouni Malinen <j@w1.fi>
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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(__name__)
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import time
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import re
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import hwsim_utils
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def connect_ibss_cmd(dev, id):
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dev.dump_monitor()
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dev.select_network(id)
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def wait_ibss_connection(dev):
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logger.info(dev.ifname + " waiting for IBSS start/join to complete")
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ev = dev.wait_event(["CTRL-EVENT-CONNECTED"], timeout=20)
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if ev is None:
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raise Exception("Connection to the IBSS timed out")
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exp = r'<.>(CTRL-EVENT-CONNECTED) - Connection to ([0-9a-f:]*) completed.*'
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s = re.split(exp, ev)
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if len(s) < 3:
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return None
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return s[2]
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def wait_4way_handshake(dev1, dev2):
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logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr())
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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def wait_4way_handshake2(dev1, dev2, dev3):
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logger.info(dev1.ifname + " waiting for 4-way handshake completion with " + dev2.ifname + " " + dev2.p2p_interface_addr() + " and " + dev3.p2p_interface_addr())
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
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"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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ev = dev1.wait_event(["IBSS-RSN-COMPLETED " + dev2.p2p_interface_addr(),
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"IBSS-RSN-COMPLETED " + dev3.p2p_interface_addr()],
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timeout=20)
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if ev is None:
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raise Exception("4-way handshake in IBSS timed out")
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def add_ibss(dev, ssid, psk=None, proto=None, key_mgmt=None, pairwise=None, group=None):
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id = dev.add_network()
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dev.set_network(id, "mode", "1")
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dev.set_network(id, "frequency", "2412")
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dev.set_network_quoted(id, "ssid", ssid)
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if psk:
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dev.set_network_quoted(id, "psk", psk)
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if proto:
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dev.set_network(id, "proto", proto)
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if key_mgmt:
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dev.set_network(id, "key_mgmt", key_mgmt)
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if pairwise:
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dev.set_network(id, "pairwise", pairwise)
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if group:
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dev.set_network(id, "group", group)
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return id
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def add_ibss_rsn(dev, ssid):
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return add_ibss(dev, ssid, "12345678", "RSN", "WPA-PSK", "CCMP", "CCMP")
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def test_ibss_rsn(dev):
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"""IBSS RSN"""
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ssid="ibss-rsn"
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logger.info("Start IBSS on the first STA")
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id = add_ibss_rsn(dev[0], ssid)
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connect_ibss_cmd(dev[0], id)
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bssid0 = wait_ibss_connection(dev[0])
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logger.info("Join two STAs to the IBSS")
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id = add_ibss_rsn(dev[1], ssid)
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connect_ibss_cmd(dev[1], id)
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bssid1 = wait_ibss_connection(dev[1])
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if bssid0 != bssid1:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA1 BSSID " + bssid1)
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# try to merge with a scan
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dev[1].scan()
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wait_4way_handshake(dev[0], dev[1])
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wait_4way_handshake(dev[1], dev[0])
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id = add_ibss_rsn(dev[2], ssid)
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connect_ibss_cmd(dev[2], id)
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bssid2 = wait_ibss_connection(dev[2])
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if bssid0 != bssid2:
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logger.info("STA0 BSSID " + bssid0 + " differs from STA2 BSSID " + bssid2)
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# try to merge with a scan
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dev[2].scan()
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wait_4way_handshake(dev[0], dev[2])
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wait_4way_handshake2(dev[2], dev[0], dev[1])
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# Allow some time for all peers to complete key setup
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time.sleep(3)
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hwsim_utils.test_connectivity(dev[0].ifname, dev[1].ifname)
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hwsim_utils.test_connectivity(dev[0].ifname, dev[2].ifname)
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hwsim_utils.test_connectivity(dev[1].ifname, dev[2].ifname)
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