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tests: P2P_CONNECT-auto not finding GO

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This is a regression test for an earlier bug that resulted in using
freed memory after a P2P group interface was removed as part of
fallback-to-GO-Negotiation in P2P_CONNECT-auto.

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2015-02-08 12:18:03 +02:00
parent 99650cadc9
commit d2b84e430c
1 changed files with 36 additions and 0 deletions
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36
tests/hwsim/test_p2p_autogo.py
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@ -476,3 +476,39 @@ def test_presence_req_on_group_interface(dev):
raise Exception("Timeout while waiting for Presence Response")
dev[0].remove_group()
dev[1].wait_go_ending_session()
def test_autogo_join_auto_go_not_found(dev):
"""P2P_CONNECT-auto not finding GO"""
wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
wpas.interface_add("wlan5")
wpas.request("P2P_SET listen_channel 1")
wpas.global_request("SET p2p_no_group_iface 0")
autogo(wpas, freq=2412)
addr = wpas.p2p_dev_addr()
bssid = wpas.p2p_interface_addr()
dev[1].global_request("SET p2p_no_group_iface 0")
dev[1].scan_for_bss(bssid, freq=2412)
# This makes the GO not show up in the scan iteration following the
# P2P_CONNECT command by stopping beaconing and handling Probe Request
# frames externally (but not really replying to them). P2P listen mode is
# needed to keep the GO listening on the operating channel for the PD
# exchange.
if "OK" not in wpas.group_request("STOP_AP"):
raise Exception("STOP_AP failed")
wpas.group_request("SET ext_mgmt_frame_handling 1")
wpas.p2p_listen()
time.sleep(0.02)
dev[1].global_request("P2P_CONNECT " + addr + " pbc auto")
ev = dev[1].wait_group_event(["P2P-FALLBACK-TO-GO-NEG-ENABLED"], 15)
if ev is None:
raise Exception("Could not trigger old-scan-only case")
return
ev = dev[1].wait_group_event(["P2P-FALLBACK-TO-GO-NEG"], 15)
wpas.remove_group()
if ev is None:
raise Exception("Fallback to GO Negotiation not seen")
if "reason=GO-not-found" not in ev:
raise Exception("Unexpected reason for fallback: " + ev)