281 lines
12 KiB
Python
281 lines
12 KiB
Python
#!/usr/bin/python
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#
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# P2P persistent group 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()
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import hwsim_utils
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def go_neg_pin_authorized_persistent(i_dev, r_dev, i_intent=None, r_intent=None, i_method='enter', r_method='display', test_data=True):
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r_dev.p2p_listen()
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i_dev.p2p_listen()
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pin = r_dev.wps_read_pin()
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logger.info("Start GO negotiation " + i_dev.ifname + " -> " + r_dev.ifname)
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r_dev.p2p_go_neg_auth(i_dev.p2p_dev_addr(), pin, r_method,
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go_intent=r_intent, persistent=True)
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i_res = i_dev.p2p_go_neg_init(r_dev.p2p_dev_addr(), pin, i_method,
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timeout=20, go_intent=i_intent,
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persistent=True)
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r_res = r_dev.p2p_go_neg_auth_result()
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logger.debug("i_res: " + str(i_res))
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logger.debug("r_res: " + str(r_res))
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r_dev.dump_monitor()
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i_dev.dump_monitor()
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logger.info("Group formed")
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if test_data:
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hwsim_utils.test_connectivity_p2p(r_dev, i_dev)
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return [i_res, r_res]
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def terminate_group(go, cli):
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logger.info("Terminate persistent group")
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go.remove_group()
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cli.wait_go_ending_session()
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def invite(inv, resp, extra=None):
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addr = resp.p2p_dev_addr()
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resp.request("SET persistent_reconnect 1")
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resp.p2p_listen()
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if not inv.discover_peer(addr, social=True):
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raise Exception("Peer " + addr + " not found")
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inv.dump_monitor()
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peer = inv.get_peer(addr)
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cmd = "P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr
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if extra:
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cmd = cmd + " " + extra;
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inv.global_request(cmd)
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def check_result(go, cli):
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ev = go.wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
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if ev is None:
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raise Exception("Timeout on group re-invocation (on GO)")
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if "[PERSISTENT]" not in ev:
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raise Exception("Re-invoked group not marked persistent")
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go_res = go.group_form_result(ev)
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if go_res['role'] != 'GO':
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raise Exception("Persistent group GO did not become GO")
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if not go_res['persistent']:
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raise Exception("Persistent group not re-invoked as persistent (GO)")
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ev = cli.wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
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if ev is None:
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raise Exception("Timeout on group re-invocation (on client)")
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if "[PERSISTENT]" not in ev:
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raise Exception("Re-invoked group not marked persistent")
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cli_res = cli.group_form_result(ev)
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if cli_res['role'] != 'client':
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raise Exception("Persistent group client did not become client")
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if not cli_res['persistent']:
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raise Exception("Persistent group not re-invoked as persistent (cli)")
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return [go_res, cli_res]
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def form(go, cli, test_data=True):
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logger.info("Form a persistent group")
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[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=go, i_intent=15,
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r_dev=cli, r_intent=0,
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test_data=test_data)
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if not i_res['persistent'] or not r_res['persistent']:
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raise Exception("Formed group was not persistent")
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terminate_group(go, cli)
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def invite_from_cli(go, cli):
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logger.info("Re-invoke persistent group from client")
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invite(cli, go)
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check_result(go, cli)
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hwsim_utils.test_connectivity_p2p(go, cli)
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terminate_group(go, cli)
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def invite_from_go(go, cli):
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logger.info("Re-invoke persistent group from GO")
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invite(go, cli)
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check_result(go, cli)
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hwsim_utils.test_connectivity_p2p(go, cli)
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terminate_group(go, cli)
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def test_persistent_group(dev):
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"""P2P persistent group formation and re-invocation"""
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form(dev[0], dev[1])
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invite_from_cli(dev[0], dev[1])
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invite_from_go(dev[0], dev[1])
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def test_persistent_group_per_sta_psk(dev):
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"""P2P persistent group formation and re-invocation using per-client PSK"""
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addr0 = dev[0].p2p_dev_addr()
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addr1 = dev[1].p2p_dev_addr()
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addr2 = dev[2].p2p_dev_addr()
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dev[0].request("P2P_SET per_sta_psk 1")
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logger.info("Form a persistent group")
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[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0)
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if not i_res['persistent'] or not r_res['persistent']:
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raise Exception("Formed group was not persistent")
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logger.info("Join another client to the group")
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pin = dev[2].wps_read_pin()
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dev[0].p2p_go_authorize_client(pin)
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c_res = dev[2].p2p_connect_group(addr0, pin, timeout=60)
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if not c_res['persistent']:
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raise Exception("Joining client did not recognize persistent group")
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if r_res['psk'] == c_res['psk']:
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raise Exception("Same PSK assigned for both clients")
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hwsim_utils.test_connectivity_p2p_sta(dev[1], dev[2])
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logger.info("Leave persistent group and rejoin it")
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dev[2].remove_group()
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ev = dev[2].wait_event(["P2P-GROUP-REMOVED"], timeout=3)
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if ev is None:
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raise Exception("Group removal event timed out")
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if not dev[2].discover_peer(addr0, social=True):
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raise Exception("Peer " + peer + " not found")
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dev[2].dump_monitor()
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peer = dev[2].get_peer(addr0)
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dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
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ev = dev[2].wait_global_event(["P2P-GROUP-STARTED"], timeout=30)
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if ev is None:
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raise Exception("Timeout on group restart (on client)")
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cli_res = dev[2].group_form_result(ev)
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if not cli_res['persistent']:
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raise Exception("Persistent group not restarted as persistent (cli)")
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hwsim_utils.test_connectivity_p2p(dev[1], dev[2])
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logger.info("Remove one of the clients from the group")
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dev[0].global_request("P2P_REMOVE_CLIENT " + addr2)
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dev[2].wait_go_ending_session()
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logger.info("Try to reconnect after having been removed from group")
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if not dev[2].discover_peer(addr0, social=True):
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raise Exception("Peer " + peer + " not found")
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dev[2].dump_monitor()
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peer = dev[2].get_peer(addr0)
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dev[2].global_request("P2P_GROUP_ADD persistent=" + peer['persistent'])
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ev = dev[2].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
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if ev is None:
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raise Exception("Timeout on group restart (on client)")
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if "P2P-GROUP-STARTED" in ev:
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raise Exception("Client managed to connect after being removed")
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logger.info("Remove the remaining client from the group")
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dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
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dev[1].wait_go_ending_session()
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logger.info("Terminate persistent group")
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dev[0].remove_group()
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dev[0].dump_monitor()
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logger.info("Try to re-invoke persistent group from client")
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dev[0].request("SET persistent_reconnect 1")
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dev[0].p2p_listen()
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if not dev[1].discover_peer(addr0, social=True):
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raise Exception("Peer " + peer + " not found")
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dev[1].dump_monitor()
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peer = dev[1].get_peer(addr0)
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dev[1].global_request("P2P_INVITE persistent=" + peer['persistent'] + " peer=" + addr0)
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ev = dev[1].wait_global_event(["P2P-GROUP-STARTED","WPA: 4-Way Handshake failed"], timeout=30)
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if ev is None:
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raise Exception("Timeout on group restart (on client)")
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if "P2P-GROUP-STARTED" in ev:
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raise Exception("Client managed to re-invoke after being removed")
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dev[0].dump_monitor()
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logger.info("Terminate persistent group")
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dev[0].remove_group()
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dev[0].dump_monitor()
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def test_persistent_group_invite_removed_client(dev):
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"""P2P persistent group client removal and re-invitation"""
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addr0 = dev[0].p2p_dev_addr()
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addr1 = dev[1].p2p_dev_addr()
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dev[0].request("P2P_SET per_sta_psk 1")
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logger.info("Form a persistent group")
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[i_res, r_res] = go_neg_pin_authorized_persistent(i_dev=dev[0], i_intent=15,
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r_dev=dev[1], r_intent=0)
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if not i_res['persistent'] or not r_res['persistent']:
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raise Exception("Formed group was not persistent")
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logger.info("Remove client from the group")
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dev[0].global_request("P2P_REMOVE_CLIENT " + addr1)
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dev[1].wait_go_ending_session()
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logger.info("Re-invite the removed client to join the group")
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dev[1].p2p_listen()
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if not dev[0].discover_peer(addr1, social=True):
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raise Exception("Peer " + peer + " not found")
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dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
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ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
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if ev is None:
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raise Exception("Timeout on invitation")
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if "sa=" + addr0 + " persistent=" not in ev:
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raise Exception("Unexpected invitation event")
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[event,addr,persistent] = ev.split(' ', 2)
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dev[1].global_request("P2P_GROUP_ADD " + persistent)
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ev = dev[1].wait_global_event(["P2P-PERSISTENT-PSK-FAIL"], timeout=30)
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if ev is None:
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raise Exception("Did not receive PSK failure report")
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[tmp,id] = ev.split('=', 1)
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ev = dev[1].wait_global_event(["P2P-GROUP-REMOVED"], timeout=10)
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if ev is None:
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raise Exception("Group removal event timed out")
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if "reason=PSK_FAILURE" not in ev:
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raise Exception("Unexpected group removal reason")
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dev[1].request("REMOVE_NETWORK " + id)
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logger.info("Re-invite after client removed persistent group info")
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dev[1].p2p_listen()
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if not dev[0].discover_peer(addr1, social=True):
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raise Exception("Peer " + peer + " not found")
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dev[0].global_request("P2P_INVITE group=" + dev[0].group_ifname + " peer=" + addr1)
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ev = dev[1].wait_global_event(["P2P-INVITATION-RECEIVED"], timeout=10)
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if ev is None:
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raise Exception("Timeout on invitation")
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if " persistent=" in ev:
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raise Exception("Unexpected invitation event")
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pin = dev[1].wps_read_pin()
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dev[0].p2p_go_authorize_client(pin)
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c_res = dev[1].p2p_connect_group(addr0, pin, timeout=60)
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if not c_res['persistent']:
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raise Exception("Joining client did not recognize persistent group")
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if r_res['psk'] == c_res['psk']:
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raise Exception("Same PSK assigned on both times")
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hwsim_utils.test_connectivity_p2p(dev[0], dev[1])
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terminate_group(dev[0], dev[1])
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def test_persistent_group_channel(dev):
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"""P2P persistent group re-invocation with channel selection"""
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form(dev[0], dev[1], test_data=False)
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logger.info("Re-invoke persistent group from client with forced channel")
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invite(dev[1], dev[0], "freq=2427")
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[go_res, cli_res] = check_result(dev[0], dev[1])
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if go_res['freq'] != "2427":
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raise Exception("Persistent group client forced channel not followed")
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terminate_group(dev[0], dev[1])
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logger.info("Re-invoke persistent group from GO with forced channel")
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invite(dev[0], dev[1], "freq=2432")
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[go_res, cli_res] = check_result(dev[0], dev[1])
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if go_res['freq'] != "2432":
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raise Exception("Persistent group GO channel preference not followed")
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terminate_group(dev[0], dev[1])
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logger.info("Re-invoke persistent group from client with channel preference")
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invite(dev[1], dev[0], "pref=2417")
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[go_res, cli_res] = check_result(dev[0], dev[1])
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if go_res['freq'] != "2417":
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raise Exception("Persistent group client channel preference not followed")
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terminate_group(dev[0], dev[1])
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def test_persistent_group_and_role_change(dev):
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"""P2P persistent group, auto GO in another role, and re-invocation"""
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form(dev[0], dev[1])
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logger.info("Start and stop autonomous GO on previous P2P client device")
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dev[1].p2p_start_go()
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dev[1].remove_group()
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dev[1].dump_monitor()
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logger.info("Re-invoke the persistent group")
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invite_from_go(dev[0], dev[1])
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