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https://github.com/vanhoefm/fragattacks.git
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3eb29b7b47
Use hwsim_test to verify that the formed group has working data connectivity. Signed-hostap: Jouni Malinen <j@w1.fi>
127 lines
3.8 KiB
Python
127 lines
3.8 KiB
Python
#!/usr/bin/python
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#
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# Python class for controlling wpa_supplicant
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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 os
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import time
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import logging
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import wpaspy
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logger = logging.getLogger(__name__)
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wpas_ctrl = '/var/run/wpa_supplicant'
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class WpaSupplicant:
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def __init__(self, ifname):
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self.ifname = ifname
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self.ctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
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self.mon = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
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self.mon.attach()
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def request(self, cmd):
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logger.debug(self.ifname + ": CTRL: " + cmd)
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return self.ctrl.request(cmd)
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def ping(self):
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return "PONG" in self.request("PING")
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def reset(self):
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self.request("P2P_STOP_FIND")
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self.request("P2P_FLUSH")
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self.request("P2P_GROUP_REMOVE *")
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self.request("REMOVE_NETWORK *")
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self.request("REMOVE_CRED *")
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def get_status(self, field):
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res = self.request("STATUS")
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lines = res.splitlines()
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for l in lines:
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[name,value] = l.split('=', 1)
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if name == field:
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return value
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return None
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def p2p_dev_addr(self):
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return self.get_status("p2p_device_address")
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def p2p_listen(self):
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return self.request("P2P_LISTEN")
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def p2p_find(self, social=False):
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if social:
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return self.request("P2P_FIND type=social")
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return self.request("P2P_FIND")
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def wps_read_pin(self):
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#TODO: make this random
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self.pin = "12345670"
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return self.pin
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def peer_known(self, peer, full=True):
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res = self.request("P2P_PEER " + peer)
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if peer.lower() not in res.lower():
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return False
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if not full:
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return True
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return "[PROBE_REQ_ONLY]" not in res
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def discover_peer(self, peer, full=True, timeout=15):
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logger.info(self.ifname + ": Trying to discover peer " + peer)
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if self.peer_known(peer, full):
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return True
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self.p2p_find()
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count = 0
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while count < timeout:
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time.sleep(1)
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count = count + 1
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if self.peer_known(peer, full):
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return True
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return False
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def p2p_go_neg_auth(self, peer, pin, method):
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if not self.discover_peer(peer):
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raise Exception("Peer " + peer + " not found")
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self.dump_monitor()
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cmd = "P2P_CONNECT " + peer + " " + pin + " " + method + " auth"
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if "OK" in self.request(cmd):
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return None
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raise Exception("P2P_CONNECT (auth) failed")
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def p2p_go_neg_init(self, peer, pin, method, timeout=0):
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if not self.discover_peer(peer):
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raise Exception("Peer " + peer + " not found")
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self.dump_monitor()
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cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
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if "OK" in self.request(cmd):
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if timeout == 0:
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self.dump_monitor()
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return None
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if self.wait_event("P2P-GROUP-STARTED", timeout):
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self.dump_monitor()
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return None
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raise Exception("Group formation timed out")
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raise Exception("P2P_CONNECT failed")
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def wait_event(self, event, timeout):
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count = 0
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while count < timeout * 2:
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count = count + 1
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time.sleep(0.5)
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while self.mon.pending():
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ev = self.mon.recv()
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if event in ev:
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return True
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return False
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def dump_monitor(self):
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while self.mon.pending():
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ev = self.mon.recv()
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logger.debug(self.ifname + ": " + ev)
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def remove_group(self, ifname):
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if "OK" not in self.request("P2P_GROUP_REMOVE " + ifname):
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raise Exception("Group could not be removed")
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