tests: Close wpa_supplicant control interface more robustly
Some of the test cases left behind attached control interface monitor sockets that could result in hitting the wpa_supplicant socket TX queue limit. Try to be a bit more careful about detaching and closing the sockets to avoid this. Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen
parent
4d916a7f3e
commit
b21540e682
4 changed files with 105 additions and 42 deletions
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@ -1,5 +1,5 @@
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# P2P helper functions
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# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
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# Copyright (c) 2013-2019, 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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@ -105,6 +105,7 @@ def go_neg_pin_authorized_persistent(i_dev, r_dev, i_intent=None, r_intent=None,
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def terminate_group(go, cli):
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logger.info("Terminate persistent group")
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cli.close_monitor_group()
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go.remove_group()
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cli.wait_go_ending_session()
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@ -1,7 +1,7 @@
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#!/usr/bin/env python3
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#
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# Test case executor
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# Copyright (c) 2013-2015, Jouni Malinen <j@w1.fi>
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# Copyright (c) 2013-2019, 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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@ -63,6 +63,7 @@ def reset_devs(dev, apdev):
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pass
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if wpas:
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wpas.close_ctrl()
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del wpas
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try:
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hapd = HostapdGlobal()
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@ -560,7 +561,8 @@ def main():
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reset_ok = reset_devs(dev, apdev)
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wpas = None
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try:
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wpas = WpaSupplicant(global_iface="/tmp/wpas-wlan5")
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wpas = WpaSupplicant(global_iface="/tmp/wpas-wlan5",
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monitor=False)
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rename_log(args.logdir, 'log5', name, wpas)
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if not args.no_reset:
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wpas.remove_ifname()
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@ -568,6 +570,7 @@ def main():
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pass
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if wpas:
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wpas.close_ctrl()
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del wpas
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for i in range(0, 3):
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rename_log(args.logdir, 'log' + str(i), name, dev[i])
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@ -1,5 +1,5 @@
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# Test cases for MACsec/MKA
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# Copyright (c) 2018, Jouni Malinen <j@w1.fi>
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# Copyright (c) 2018-2019, 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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@ -17,9 +17,10 @@ import hwsim_utils
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from utils import HwsimSkip, alloc_fail, fail_test, wait_fail_trigger
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def cleanup_macsec():
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5', monitor=False)
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wpas.interface_remove("veth0")
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wpas.interface_remove("veth1")
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del wpas
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subprocess.call(["ip", "link", "del", "veth0"],
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stderr=open('/dev/null', 'w'))
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@ -34,8 +35,9 @@ def test_macsec_psk_mka_life_time(dev, apdev, params):
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"""MACsec PSK - MKA life time"""
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try:
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run_macsec_psk(dev, apdev, params, "macsec_psk_mka_life_time")
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5', monitor=False)
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wpas.interface_remove("veth1")
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del wpas
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# Wait for live peer to be removed on veth0
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time.sleep(6.1)
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finally:
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@ -319,7 +321,7 @@ def run_macsec_psk(dev, apdev, params, prefix, integ_only=False, port0=None,
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cmd[i].terminate()
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def cleanup_macsec_br(count):
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5')
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wpas = WpaSupplicant(global_iface='/tmp/wpas-wlan5', monitor=False)
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for i in range(count):
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wpas.interface_remove("veth%d" % i)
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subprocess.call(["ip", "link", "del", "veth%d" % i],
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@ -428,8 +430,9 @@ def run_macsec_psk_br(dev, apdev, count, mka_priority):
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logger.info("Data traffic test failed - ignore for now for >= 3 device cases")
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for i in range(count):
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wpa[i].dump_monitor()
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wpa[i].close_monitor()
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for i in range(count):
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wpa[0].close_control()
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del wpa[0]
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def test_macsec_psk_ns(dev, apdev, params):
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@ -651,9 +654,13 @@ def run_macsec_psk_ns(dev, apdev, params):
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if "2 packets transmitted, 2 received" not in res:
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raise Exception("ping did not work")
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wpas0.close_monitor()
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wpas0.request("TERMINATE")
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wpas0.close_control()
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del wpas0
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wpas1.close_monitor()
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wpas1.request("TERMINATE")
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wpas1.close_control()
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del wpas1
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time.sleep(1)
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@ -23,7 +23,12 @@ class WpaSupplicant:
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self.monitor = monitor
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self.hostname = hostname
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self.group_ifname = None
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self.global_mon = None
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self.global_ctrl = None
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self.gctrl_mon = None
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self.ctrl = None
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self.mon = None
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self.ifname = None
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self.host = remotehost.Host(hostname, ifname)
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self._group_dbg = None
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if ifname:
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@ -33,12 +38,9 @@ class WpaSupplicant:
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self.p2p_dev_ifname = 'p2p-dev-' + self.ifname
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else:
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self.p2p_dev_ifname = ifname
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else:
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self.ifname = None
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self.global_iface = global_iface
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if global_iface:
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self.global_mon = None
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if hostname != None:
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self.global_ctrl = wpaspy.Ctrl(hostname, global_port)
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if self.monitor:
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@ -51,8 +53,77 @@ class WpaSupplicant:
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self.global_dbg = ""
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if self.monitor:
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self.global_mon.attach()
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else:
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self.global_mon = None
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def __del__(self):
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self.close_monitor()
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self.close_control()
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def close_control_ctrl(self):
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if self.ctrl:
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del self.ctrl
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self.ctrl = None
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def close_control_global(self):
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if self.global_ctrl:
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del self.global_ctrl
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self.global_ctrl = None
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def close_control(self):
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self.close_control_ctrl()
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self.close_control_global()
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def close_monitor_mon(self):
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if not self.mon:
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return
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try:
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while self.mon.pending():
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ev = self.mon.recv()
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logger.debug(self.dbg + ": " + ev)
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except:
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pass
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try:
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self.mon.detach()
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except ConnectionRefusedError:
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pass
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del self.mon
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self.mon = None
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def close_monitor_global(self):
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if not self.global_mon:
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return
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try:
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while self.global_mon.pending():
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ev = self.global_mon.recv()
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logger.debug(self.global_dbg + ": " + ev)
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except:
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pass
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try:
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self.global_mon.detach()
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except ConnectionRefusedError:
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pass
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del self.global_mon
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self.global_mon = None
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def close_monitor_group(self):
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if not self.gctrl_mon:
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return
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try:
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while self.gctrl_mon.pending():
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ev = self.gctrl_mon.recv()
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logger.debug(self.dbg + ": " + ev)
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except:
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pass
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try:
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self.gctrl_mon.detach()
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except:
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pass
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del self.gctrl_mon
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self.gctrl_mon = None
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def close_monitor(self):
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self.close_monitor_mon()
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self.close_monitor_global()
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self.close_monitor_group()
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def cmd_execute(self, cmd_array, shell=False):
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if self.hostname is None:
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@ -70,19 +141,17 @@ class WpaSupplicant:
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def terminate(self):
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if self.global_mon:
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self.global_mon.detach()
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self.global_mon = None
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self.close_monitor_global()
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self.global_ctrl.terminate()
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self.global_ctrl = None
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def close_ctrl(self):
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if self.global_mon:
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self.global_mon.detach()
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self.global_mon = None
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self.global_ctrl = None
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self.close_monitor_global()
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self.close_control_global()
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self.remove_ifname()
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def set_ifname(self, ifname, hostname=None, port=9877):
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self.remove_ifname()
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self.ifname = ifname
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if hostname != None:
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self.ctrl = wpaspy.Ctrl(hostname, port)
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@ -99,11 +168,9 @@ class WpaSupplicant:
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self.mon.attach()
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def remove_ifname(self):
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if self.ifname:
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self.mon.detach()
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self.mon = None
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self.ctrl = None
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self.ifname = None
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self.close_monitor_mon()
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self.close_control_ctrl()
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self.ifname = None
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def get_ctrl_iface_port(self, ifname):
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if self.hostname is None:
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@ -217,12 +284,7 @@ class WpaSupplicant:
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self.global_request("REMOVE_NETWORK all")
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self.global_request("SET p2p_no_group_iface 1")
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self.global_request("P2P_FLUSH")
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if self.gctrl_mon:
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try:
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self.gctrl_mon.detach()
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except:
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pass
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self.gctrl_mon = None
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self.close_monitor_group()
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self.group_ifname = None
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self.dump_monitor()
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@ -814,12 +876,7 @@ class WpaSupplicant:
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return self.wait_event(events, timeout)
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def wait_go_ending_session(self):
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if self.gctrl_mon:
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try:
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self.gctrl_mon.detach()
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except:
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pass
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self.gctrl_mon = None
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self.close_monitor_group()
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timeout = 3 if self.hostname is None else 10
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ev = self.wait_global_event(["P2P-GROUP-REMOVED"], timeout=timeout)
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if ev is None:
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@ -841,12 +898,7 @@ class WpaSupplicant:
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return (count_iface, count_global)
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def remove_group(self, ifname=None):
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if self.gctrl_mon:
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try:
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self.gctrl_mon.detach()
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except:
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pass
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self.gctrl_mon = None
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self.close_monitor_group()
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if ifname is None:
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ifname = self.group_ifname if self.group_ifname else self.ifname
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if "OK" not in self.global_request("P2P_GROUP_REMOVE " + ifname):
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