mirror of
https://github.com/vanhoefm/fragattacks.git
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e9f2d54f44
The generic cmd_execute() function was introduced in a manner that converted the argument array to a string and used shell to run the command unconditionally. This is not really desirable, so move back to using the command array by default and use the single command string with a shell only when really needed. Signed-off-by: Jouni Malinen <j@w1.fi>
1279 lines
46 KiB
Python
1279 lines
46 KiB
Python
# Python class for controlling wpa_supplicant
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# Copyright (c) 2013-2014, 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 binascii
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import re
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import struct
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import wpaspy
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import remotehost
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import subprocess
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logger = logging.getLogger()
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wpas_ctrl = '/var/run/wpa_supplicant'
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class WpaSupplicant:
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def __init__(self, ifname=None, global_iface=None, hostname=None,
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port=9877, global_port=9878):
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self.hostname = hostname
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self.group_ifname = None
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self.gctrl_mon = 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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self.set_ifname(ifname, hostname, port)
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res = self.get_driver_status()
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if 'capa.flags' in res and int(res['capa.flags'], 0) & 0x20000000:
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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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if hostname != None:
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self.global_ctrl = wpaspy.Ctrl(hostname, global_port)
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self.global_mon = wpaspy.Ctrl(hostname, global_port)
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self.global_dbg = hostname + "/" + str(global_port) + "/"
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else:
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self.global_ctrl = wpaspy.Ctrl(global_iface)
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self.global_mon = wpaspy.Ctrl(global_iface)
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self.global_dbg = ""
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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 cmd_execute(self, cmd_array, shell=False):
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if self.hostname is None:
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if shell:
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cmd = ' '.join(cmd_array)
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else:
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cmd = cmd_array
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proc = subprocess.Popen(cmd, stderr=subprocess.STDOUT,
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stdout=subprocess.PIPE, shell=shell)
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out = proc.communicate()[0]
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ret = proc.returncode
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return ret, out
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else:
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return self.host.execute(cmd_array)
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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.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.remove_ifname()
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def set_ifname(self, ifname, hostname=None, port=9877):
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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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self.mon = wpaspy.Ctrl(hostname, port)
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self.host = remotehost.Host(hostname, ifname)
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self.dbg = hostname + "/" + ifname
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else:
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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.dbg = ifname
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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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def get_ctrl_iface_port(self, ifname):
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if self.hostname is None:
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return None
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res = self.global_request("INTERFACES ctrl")
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lines = res.splitlines()
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found = False
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for line in lines:
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words = line.split()
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if words[0] == ifname:
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found = True
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break
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if not found:
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raise Exception("Could not find UDP port for " + ifname)
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res = line.find("ctrl_iface=udp:")
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if res == -1:
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raise Exception("Wrong ctrl_interface format")
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words = line.split(":")
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return int(words[1])
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def interface_add(self, ifname, config="", driver="nl80211",
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drv_params=None, br_ifname=None, create=False,
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set_ifname=True, all_params=False, if_type=None):
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status, groups = self.host.execute(["id"])
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if status != 0:
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group = "admin"
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group = "admin" if "(admin)" in groups else "adm"
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cmd = "INTERFACE_ADD " + ifname + "\t" + config + "\t" + driver + "\tDIR=/var/run/wpa_supplicant GROUP=" + group
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if drv_params:
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cmd = cmd + '\t' + drv_params
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if br_ifname:
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if not drv_params:
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cmd += '\t'
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cmd += '\t' + br_ifname
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if create:
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if not br_ifname:
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cmd += '\t'
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if not drv_params:
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cmd += '\t'
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cmd += '\tcreate'
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if if_type:
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cmd += '\t' + if_type
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if all_params and not create:
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if not br_ifname:
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cmd += '\t'
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if not drv_params:
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cmd += '\t'
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cmd += '\t'
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if "FAIL" in self.global_request(cmd):
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raise Exception("Failed to add a dynamic wpa_supplicant interface")
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if not create and set_ifname:
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port = self.get_ctrl_iface_port(ifname)
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self.set_ifname(ifname, self.hostname, port)
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res = self.get_driver_status()
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if 'capa.flags' in res and int(res['capa.flags'], 0) & 0x20000000:
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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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def interface_remove(self, ifname):
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self.remove_ifname()
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self.global_request("INTERFACE_REMOVE " + ifname)
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def request(self, cmd, timeout=10):
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logger.debug(self.dbg + ": CTRL: " + cmd)
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return self.ctrl.request(cmd, timeout=timeout)
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def global_request(self, cmd):
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if self.global_iface is None:
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return self.request(cmd)
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else:
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ifname = self.ifname or self.global_iface
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logger.debug(self.global_dbg + ifname + ": CTRL(global): " + cmd)
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return self.global_ctrl.request(cmd)
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@property
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def group_dbg(self):
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if self._group_dbg is not None:
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return self._group_dbg
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if self.group_ifname is None:
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raise Exception("Cannot have group_dbg without group_ifname")
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if self.hostname is None:
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self._group_dbg = self.group_ifname
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else:
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self._group_dbg = self.hostname + "/" + self.group_ifname
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return self._group_dbg
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def group_request(self, cmd):
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if self.group_ifname and self.group_ifname != self.ifname:
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if self.hostname is None:
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gctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, self.group_ifname))
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else:
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port = self.get_ctrl_iface_port(self.group_ifname)
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gctrl = wpaspy.Ctrl(self.hostname, port)
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logger.debug(self.group_dbg + ": CTRL(group): " + cmd)
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return gctrl.request(cmd)
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return self.request(cmd)
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def ping(self):
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return "PONG" in self.request("PING")
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def global_ping(self):
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return "PONG" in self.global_request("PING")
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def reset(self):
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self.dump_monitor()
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res = self.request("FLUSH")
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if not "OK" in res:
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logger.info("FLUSH to " + self.ifname + " failed: " + res)
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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.group_ifname = None
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self.dump_monitor()
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iter = 0
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while iter < 60:
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state1 = self.get_driver_status_field("scan_state")
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p2pdev = "p2p-dev-" + self.ifname
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state2 = self.get_driver_status_field("scan_state", ifname=p2pdev)
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states = str(state1) + " " + str(state2)
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if "SCAN_STARTED" in states or "SCAN_REQUESTED" in states:
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logger.info(self.ifname + ": Waiting for scan operation to complete before continuing")
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time.sleep(1)
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else:
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break
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iter = iter + 1
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if iter == 60:
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logger.error(self.ifname + ": Driver scan state did not clear")
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print "Trying to clear cfg80211/mac80211 scan state"
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status, buf = self.host.execute(["ifconfig", self.ifname, "down"])
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if status != 0:
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logger.info("ifconfig failed: " + buf)
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logger.info(status)
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status, buf = self.host.execute(["ifconfig", self.ifname, "up"])
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if status != 0:
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logger.info("ifconfig failed: " + buf)
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logger.info(status)
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if iter > 0:
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# The ongoing scan could have discovered BSSes or P2P peers
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logger.info("Run FLUSH again since scan was in progress")
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self.request("FLUSH")
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self.dump_monitor()
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if not self.ping():
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logger.info("No PING response from " + self.ifname + " after reset")
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def add_network(self):
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id = self.request("ADD_NETWORK")
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if "FAIL" in id:
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raise Exception("ADD_NETWORK failed")
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return int(id)
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def remove_network(self, id):
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id = self.request("REMOVE_NETWORK " + str(id))
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if "FAIL" in id:
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raise Exception("REMOVE_NETWORK failed")
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return None
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def get_network(self, id, field):
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res = self.request("GET_NETWORK " + str(id) + " " + field)
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if res == "FAIL\n":
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return None
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return res
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def set_network(self, id, field, value):
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res = self.request("SET_NETWORK " + str(id) + " " + field + " " + value)
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if "FAIL" in res:
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raise Exception("SET_NETWORK failed")
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return None
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def set_network_quoted(self, id, field, value):
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res = self.request("SET_NETWORK " + str(id) + " " + field + ' "' + value + '"')
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if "FAIL" in res:
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raise Exception("SET_NETWORK failed")
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return None
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def p2pdev_request(self, cmd):
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return self.global_request("IFNAME=" + self.p2p_dev_ifname + " " + cmd)
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def p2pdev_add_network(self):
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id = self.p2pdev_request("ADD_NETWORK")
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if "FAIL" in id:
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raise Exception("p2pdev ADD_NETWORK failed")
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return int(id)
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def p2pdev_set_network(self, id, field, value):
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res = self.p2pdev_request("SET_NETWORK " + str(id) + " " + field + " " + value)
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if "FAIL" in res:
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raise Exception("p2pdev SET_NETWORK failed")
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return None
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def p2pdev_set_network_quoted(self, id, field, value):
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res = self.p2pdev_request("SET_NETWORK " + str(id) + " " + field + ' "' + value + '"')
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if "FAIL" in res:
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raise Exception("p2pdev SET_NETWORK failed")
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return None
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def list_networks(self, p2p=False):
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if p2p:
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res = self.global_request("LIST_NETWORKS")
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else:
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res = self.request("LIST_NETWORKS")
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lines = res.splitlines()
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networks = []
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for l in lines:
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if "network id" in l:
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continue
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[id,ssid,bssid,flags] = l.split('\t')
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network = {}
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network['id'] = id
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network['ssid'] = ssid
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network['bssid'] = bssid
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network['flags'] = flags
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networks.append(network)
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return networks
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def hs20_enable(self, auto_interworking=False):
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self.request("SET interworking 1")
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self.request("SET hs20 1")
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if auto_interworking:
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self.request("SET auto_interworking 1")
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else:
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self.request("SET auto_interworking 0")
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def interworking_add_network(self, bssid):
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id = self.request("INTERWORKING_ADD_NETWORK " + bssid)
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if "FAIL" in id or "OK" in id:
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raise Exception("INTERWORKING_ADD_NETWORK failed")
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return int(id)
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def add_cred(self):
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id = self.request("ADD_CRED")
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if "FAIL" in id:
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raise Exception("ADD_CRED failed")
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return int(id)
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def remove_cred(self, id):
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id = self.request("REMOVE_CRED " + str(id))
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if "FAIL" in id:
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raise Exception("REMOVE_CRED failed")
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return None
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def set_cred(self, id, field, value):
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res = self.request("SET_CRED " + str(id) + " " + field + " " + value)
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if "FAIL" in res:
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raise Exception("SET_CRED failed")
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return None
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def set_cred_quoted(self, id, field, value):
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res = self.request("SET_CRED " + str(id) + " " + field + ' "' + value + '"')
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if "FAIL" in res:
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raise Exception("SET_CRED failed")
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return None
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def get_cred(self, id, field):
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return self.request("GET_CRED " + str(id) + " " + field)
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def add_cred_values(self, params):
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id = self.add_cred()
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quoted = [ "realm", "username", "password", "domain", "imsi",
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"excluded_ssid", "milenage", "ca_cert", "client_cert",
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"private_key", "domain_suffix_match", "provisioning_sp",
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"roaming_partner", "phase1", "phase2" ]
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for field in quoted:
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if field in params:
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self.set_cred_quoted(id, field, params[field])
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not_quoted = [ "eap", "roaming_consortium", "priority",
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"required_roaming_consortium", "sp_priority",
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"max_bss_load", "update_identifier", "req_conn_capab",
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"min_dl_bandwidth_home", "min_ul_bandwidth_home",
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"min_dl_bandwidth_roaming", "min_ul_bandwidth_roaming" ]
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for field in not_quoted:
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if field in params:
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self.set_cred(id, field, params[field])
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return id;
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def select_network(self, id, freq=None):
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if freq:
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extra = " freq=" + str(freq)
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else:
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extra = ""
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id = self.request("SELECT_NETWORK " + str(id) + extra)
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if "FAIL" in id:
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raise Exception("SELECT_NETWORK failed")
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return None
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def mesh_group_add(self, id):
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id = self.request("MESH_GROUP_ADD " + str(id))
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if "FAIL" in id:
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raise Exception("MESH_GROUP_ADD failed")
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return None
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def mesh_group_remove(self):
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id = self.request("MESH_GROUP_REMOVE " + str(self.ifname))
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if "FAIL" in id:
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raise Exception("MESH_GROUP_REMOVE failed")
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return None
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def connect_network(self, id, timeout=10):
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self.dump_monitor()
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self.select_network(id)
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self.wait_connected(timeout=timeout)
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self.dump_monitor()
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def get_status(self, extra=None):
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if extra:
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extra = "-" + extra
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else:
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extra = ""
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res = self.request("STATUS" + extra)
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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try:
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[name,value] = l.split('=', 1)
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vals[name] = value
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except ValueError, e:
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logger.info(self.ifname + ": Ignore unexpected STATUS line: " + l)
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return vals
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def get_status_field(self, field, extra=None):
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vals = self.get_status(extra)
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if field in vals:
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return vals[field]
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return None
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def get_group_status(self, extra=None):
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if extra:
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extra = "-" + extra
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else:
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extra = ""
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res = self.group_request("STATUS" + extra)
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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try:
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[name,value] = l.split('=', 1)
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except ValueError:
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logger.info(self.ifname + ": Ignore unexpected status line: " + l)
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continue
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vals[name] = value
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return vals
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def get_group_status_field(self, field, extra=None):
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vals = self.get_group_status(extra)
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if field in vals:
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return vals[field]
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return None
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def get_driver_status(self, ifname=None):
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if ifname is None:
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res = self.request("STATUS-DRIVER")
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else:
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res = self.global_request("IFNAME=%s STATUS-DRIVER" % ifname)
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if res.startswith("FAIL"):
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return dict()
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lines = res.splitlines()
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vals = dict()
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for l in lines:
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try:
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[name,value] = l.split('=', 1)
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except ValueError:
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logger.info(self.ifname + ": Ignore unexpected status-driver line: " + l)
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continue
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vals[name] = value
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return vals
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def get_driver_status_field(self, field, ifname=None):
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vals = self.get_driver_status(ifname)
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if field in vals:
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return vals[field]
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return None
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def get_mcc(self):
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mcc = int(self.get_driver_status_field('capa.num_multichan_concurrent'))
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return 1 if mcc < 2 else mcc
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def get_mib(self):
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|
res = self.request("MIB")
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
try:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
except ValueError, e:
|
|
logger.info(self.ifname + ": Ignore unexpected MIB line: " + l)
|
|
return vals
|
|
|
|
def p2p_dev_addr(self):
|
|
return self.get_status_field("p2p_device_address")
|
|
|
|
def p2p_interface_addr(self):
|
|
return self.get_group_status_field("address")
|
|
|
|
def own_addr(self):
|
|
try:
|
|
res = self.p2p_interface_addr()
|
|
except:
|
|
res = self.p2p_dev_addr()
|
|
return res
|
|
|
|
def p2p_listen(self):
|
|
return self.global_request("P2P_LISTEN")
|
|
|
|
def p2p_ext_listen(self, period, interval):
|
|
return self.global_request("P2P_EXT_LISTEN %d %d" % (period, interval))
|
|
|
|
def p2p_cancel_ext_listen(self):
|
|
return self.global_request("P2P_EXT_LISTEN")
|
|
|
|
def p2p_find(self, social=False, progressive=False, dev_id=None,
|
|
dev_type=None, delay=None, freq=None):
|
|
cmd = "P2P_FIND"
|
|
if social:
|
|
cmd = cmd + " type=social"
|
|
elif progressive:
|
|
cmd = cmd + " type=progressive"
|
|
if dev_id:
|
|
cmd = cmd + " dev_id=" + dev_id
|
|
if dev_type:
|
|
cmd = cmd + " dev_type=" + dev_type
|
|
if delay:
|
|
cmd = cmd + " delay=" + str(delay)
|
|
if freq:
|
|
cmd = cmd + " freq=" + str(freq)
|
|
return self.global_request(cmd)
|
|
|
|
def p2p_stop_find(self):
|
|
return self.global_request("P2P_STOP_FIND")
|
|
|
|
def wps_read_pin(self):
|
|
self.pin = self.request("WPS_PIN get").rstrip("\n")
|
|
if "FAIL" in self.pin:
|
|
raise Exception("Could not generate PIN")
|
|
return self.pin
|
|
|
|
def peer_known(self, peer, full=True):
|
|
res = self.global_request("P2P_PEER " + peer)
|
|
if peer.lower() not in res.lower():
|
|
return False
|
|
if not full:
|
|
return True
|
|
return "[PROBE_REQ_ONLY]" not in res
|
|
|
|
def discover_peer(self, peer, full=True, timeout=15, social=True,
|
|
force_find=False, freq=None):
|
|
logger.info(self.ifname + ": Trying to discover peer " + peer)
|
|
if not force_find and self.peer_known(peer, full):
|
|
return True
|
|
self.p2p_find(social, freq=freq)
|
|
count = 0
|
|
while count < timeout * 4:
|
|
time.sleep(0.25)
|
|
count = count + 1
|
|
if self.peer_known(peer, full):
|
|
return True
|
|
return False
|
|
|
|
def get_peer(self, peer):
|
|
res = self.global_request("P2P_PEER " + peer)
|
|
if peer.lower() not in res.lower():
|
|
raise Exception("Peer information not available")
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
if '=' in l:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
return vals
|
|
|
|
def group_form_result(self, ev, expect_failure=False, go_neg_res=None):
|
|
if expect_failure:
|
|
if "P2P-GROUP-STARTED" in ev:
|
|
raise Exception("Group formation succeeded when expecting failure")
|
|
exp = r'<.>(P2P-GO-NEG-FAILURE) status=([0-9]*)'
|
|
s = re.split(exp, ev)
|
|
if len(s) < 3:
|
|
return None
|
|
res = {}
|
|
res['result'] = 'go-neg-failed'
|
|
res['status'] = int(s[2])
|
|
return res
|
|
|
|
if "P2P-GROUP-STARTED" not in ev:
|
|
raise Exception("No P2P-GROUP-STARTED event seen")
|
|
|
|
exp = r'<.>(P2P-GROUP-STARTED) ([^ ]*) ([^ ]*) ssid="(.*)" freq=([0-9]*) ((?:psk=.*)|(?:passphrase=".*")) go_dev_addr=([0-9a-f:]*) ip_addr=([0-9.]*) ip_mask=([0-9.]*) go_ip_addr=([0-9.]*)'
|
|
s = re.split(exp, ev)
|
|
if len(s) < 11:
|
|
exp = r'<.>(P2P-GROUP-STARTED) ([^ ]*) ([^ ]*) ssid="(.*)" freq=([0-9]*) ((?:psk=.*)|(?:passphrase=".*")) go_dev_addr=([0-9a-f:]*)'
|
|
s = re.split(exp, ev)
|
|
if len(s) < 8:
|
|
raise Exception("Could not parse P2P-GROUP-STARTED")
|
|
res = {}
|
|
res['result'] = 'success'
|
|
res['ifname'] = s[2]
|
|
self.group_ifname = s[2]
|
|
try:
|
|
if self.hostname is None:
|
|
self.gctrl_mon = wpaspy.Ctrl(os.path.join(wpas_ctrl,
|
|
self.group_ifname))
|
|
else:
|
|
port = self.get_ctrl_iface_port(self.group_ifname)
|
|
self.gctrl_mon = wpaspy.Ctrl(self.hostname, port)
|
|
self.gctrl_mon.attach()
|
|
except:
|
|
logger.debug("Could not open monitor socket for group interface")
|
|
self.gctrl_mon = None
|
|
res['role'] = s[3]
|
|
res['ssid'] = s[4]
|
|
res['freq'] = s[5]
|
|
if "[PERSISTENT]" in ev:
|
|
res['persistent'] = True
|
|
else:
|
|
res['persistent'] = False
|
|
p = re.match(r'psk=([0-9a-f]*)', s[6])
|
|
if p:
|
|
res['psk'] = p.group(1)
|
|
p = re.match(r'passphrase="(.*)"', s[6])
|
|
if p:
|
|
res['passphrase'] = p.group(1)
|
|
res['go_dev_addr'] = s[7]
|
|
|
|
if len(s) > 8 and len(s[8]) > 0:
|
|
res['ip_addr'] = s[8]
|
|
if len(s) > 9:
|
|
res['ip_mask'] = s[9]
|
|
if len(s) > 10:
|
|
res['go_ip_addr'] = s[10]
|
|
|
|
if go_neg_res:
|
|
exp = r'<.>(P2P-GO-NEG-SUCCESS) role=(GO|client) freq=([0-9]*)'
|
|
s = re.split(exp, go_neg_res)
|
|
if len(s) < 4:
|
|
raise Exception("Could not parse P2P-GO-NEG-SUCCESS")
|
|
res['go_neg_role'] = s[2]
|
|
res['go_neg_freq'] = s[3]
|
|
|
|
return res
|
|
|
|
def p2p_go_neg_auth(self, peer, pin, method, go_intent=None,
|
|
persistent=False, freq=None, freq2=None,
|
|
max_oper_chwidth=None, ht40=False, vht=False):
|
|
if not self.discover_peer(peer):
|
|
raise Exception("Peer " + peer + " not found")
|
|
self.dump_monitor()
|
|
if pin:
|
|
cmd = "P2P_CONNECT " + peer + " " + pin + " " + method + " auth"
|
|
else:
|
|
cmd = "P2P_CONNECT " + peer + " " + method + " auth"
|
|
if go_intent:
|
|
cmd = cmd + ' go_intent=' + str(go_intent)
|
|
if freq:
|
|
cmd = cmd + ' freq=' + str(freq)
|
|
if freq2:
|
|
cmd = cmd + ' freq2=' + str(freq2)
|
|
if max_oper_chwidth:
|
|
cmd = cmd + ' max_oper_chwidth=' + str(max_oper_chwidth)
|
|
if ht40:
|
|
cmd = cmd + ' ht40'
|
|
if vht:
|
|
cmd = cmd + ' vht'
|
|
if persistent:
|
|
cmd = cmd + " persistent"
|
|
if "OK" in self.global_request(cmd):
|
|
return None
|
|
raise Exception("P2P_CONNECT (auth) failed")
|
|
|
|
def p2p_go_neg_auth_result(self, timeout=1, expect_failure=False):
|
|
go_neg_res = None
|
|
ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
|
|
"P2P-GO-NEG-FAILURE"], timeout);
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
if "P2P-GO-NEG-SUCCESS" in ev:
|
|
go_neg_res = ev
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout);
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev, expect_failure, go_neg_res)
|
|
|
|
def p2p_go_neg_init(self, peer, pin, method, timeout=0, go_intent=None,
|
|
expect_failure=False, persistent=False,
|
|
persistent_id=None, freq=None, provdisc=False,
|
|
wait_group=True, freq2=None, max_oper_chwidth=None,
|
|
ht40=False, vht=False):
|
|
if not self.discover_peer(peer):
|
|
raise Exception("Peer " + peer + " not found")
|
|
self.dump_monitor()
|
|
if pin:
|
|
cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
|
|
else:
|
|
cmd = "P2P_CONNECT " + peer + " " + method
|
|
if go_intent is not None:
|
|
cmd = cmd + ' go_intent=' + str(go_intent)
|
|
if freq:
|
|
cmd = cmd + ' freq=' + str(freq)
|
|
if freq2:
|
|
cmd = cmd + ' freq2=' + str(freq2)
|
|
if max_oper_chwidth:
|
|
cmd = cmd + ' max_oper_chwidth=' + str(max_oper_chwidth)
|
|
if ht40:
|
|
cmd = cmd + ' ht40'
|
|
if vht:
|
|
cmd = cmd + ' vht'
|
|
if persistent:
|
|
cmd = cmd + " persistent"
|
|
elif persistent_id:
|
|
cmd = cmd + " persistent=" + persistent_id
|
|
if provdisc:
|
|
cmd = cmd + " provdisc"
|
|
if "OK" in self.global_request(cmd):
|
|
if timeout == 0:
|
|
return None
|
|
go_neg_res = None
|
|
ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
|
|
"P2P-GO-NEG-FAILURE"], timeout)
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
if "P2P-GO-NEG-SUCCESS" in ev:
|
|
if not wait_group:
|
|
return ev
|
|
go_neg_res = ev
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
|
|
if ev is None:
|
|
if expect_failure:
|
|
return None
|
|
raise Exception("Group formation timed out")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev, expect_failure, go_neg_res)
|
|
raise Exception("P2P_CONNECT failed")
|
|
|
|
def wait_event(self, events, timeout=10):
|
|
start = os.times()[4]
|
|
while True:
|
|
while self.mon.pending():
|
|
ev = self.mon.recv()
|
|
logger.debug(self.dbg + ": " + ev)
|
|
for event in events:
|
|
if event in ev:
|
|
return ev
|
|
now = os.times()[4]
|
|
remaining = start + timeout - now
|
|
if remaining <= 0:
|
|
break
|
|
if not self.mon.pending(timeout=remaining):
|
|
break
|
|
return None
|
|
|
|
def wait_global_event(self, events, timeout):
|
|
if self.global_iface is None:
|
|
self.wait_event(events, timeout)
|
|
else:
|
|
start = os.times()[4]
|
|
while True:
|
|
while self.global_mon.pending():
|
|
ev = self.global_mon.recv()
|
|
logger.debug(self.global_dbg + self.ifname + "(global): " + ev)
|
|
for event in events:
|
|
if event in ev:
|
|
return ev
|
|
now = os.times()[4]
|
|
remaining = start + timeout - now
|
|
if remaining <= 0:
|
|
break
|
|
if not self.global_mon.pending(timeout=remaining):
|
|
break
|
|
return None
|
|
|
|
def wait_group_event(self, events, timeout=10):
|
|
if self.group_ifname and self.group_ifname != self.ifname:
|
|
if self.gctrl_mon is None:
|
|
return None
|
|
start = os.times()[4]
|
|
while True:
|
|
while self.gctrl_mon.pending():
|
|
ev = self.gctrl_mon.recv()
|
|
logger.debug(self.group_dbg + "(group): " + ev)
|
|
for event in events:
|
|
if event in ev:
|
|
return ev
|
|
now = os.times()[4]
|
|
remaining = start + timeout - now
|
|
if remaining <= 0:
|
|
break
|
|
if not self.gctrl_mon.pending(timeout=remaining):
|
|
break
|
|
return None
|
|
|
|
return self.wait_event(events, timeout)
|
|
|
|
def wait_go_ending_session(self):
|
|
if self.gctrl_mon:
|
|
try:
|
|
self.gctrl_mon.detach()
|
|
except:
|
|
pass
|
|
self.gctrl_mon = None
|
|
ev = self.wait_global_event(["P2P-GROUP-REMOVED"], timeout=3)
|
|
if ev is None:
|
|
raise Exception("Group removal event timed out")
|
|
if "reason=GO_ENDING_SESSION" not in ev:
|
|
raise Exception("Unexpected group removal reason")
|
|
|
|
def dump_monitor(self):
|
|
count_iface = 0
|
|
count_global = 0
|
|
while self.mon.pending():
|
|
ev = self.mon.recv()
|
|
logger.debug(self.dbg + ": " + ev)
|
|
count_iface += 1
|
|
while self.global_mon and self.global_mon.pending():
|
|
ev = self.global_mon.recv()
|
|
logger.debug(self.global_dbg + self.ifname + "(global): " + ev)
|
|
count_global += 1
|
|
return (count_iface, count_global)
|
|
|
|
def remove_group(self, ifname=None):
|
|
if self.gctrl_mon:
|
|
try:
|
|
self.gctrl_mon.detach()
|
|
except:
|
|
pass
|
|
self.gctrl_mon = None
|
|
if ifname is None:
|
|
ifname = self.group_ifname if self.group_ifname else self.ifname
|
|
if "OK" not in self.global_request("P2P_GROUP_REMOVE " + ifname):
|
|
raise Exception("Group could not be removed")
|
|
self.group_ifname = None
|
|
|
|
def p2p_start_go(self, persistent=None, freq=None, no_event_clear=False):
|
|
self.dump_monitor()
|
|
cmd = "P2P_GROUP_ADD"
|
|
if persistent is None:
|
|
pass
|
|
elif persistent is True:
|
|
cmd = cmd + " persistent"
|
|
else:
|
|
cmd = cmd + " persistent=" + str(persistent)
|
|
if freq:
|
|
cmd = cmd + " freq=" + str(freq)
|
|
if "OK" in self.global_request(cmd):
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout=5)
|
|
if ev is None:
|
|
raise Exception("GO start up timed out")
|
|
if not no_event_clear:
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev)
|
|
raise Exception("P2P_GROUP_ADD failed")
|
|
|
|
def p2p_go_authorize_client(self, pin):
|
|
cmd = "WPS_PIN any " + pin
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to authorize client connection on GO")
|
|
return None
|
|
|
|
def p2p_go_authorize_client_pbc(self):
|
|
cmd = "WPS_PBC"
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to authorize client connection on GO")
|
|
return None
|
|
|
|
def p2p_connect_group(self, go_addr, pin, timeout=0, social=False,
|
|
freq=None):
|
|
self.dump_monitor()
|
|
if not self.discover_peer(go_addr, social=social, freq=freq):
|
|
if social or not self.discover_peer(go_addr, social=social):
|
|
raise Exception("GO " + go_addr + " not found")
|
|
self.p2p_stop_find()
|
|
self.dump_monitor()
|
|
cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
|
|
if freq:
|
|
cmd += " freq=" + str(freq)
|
|
if "OK" in self.global_request(cmd):
|
|
if timeout == 0:
|
|
self.dump_monitor()
|
|
return None
|
|
ev = self.wait_global_event(["P2P-GROUP-STARTED",
|
|
"P2P-GROUP-FORMATION-FAILURE"],
|
|
timeout)
|
|
if ev is None:
|
|
raise Exception("Joining the group timed out")
|
|
if "P2P-GROUP-STARTED" not in ev:
|
|
raise Exception("Failed to join the group")
|
|
self.dump_monitor()
|
|
return self.group_form_result(ev)
|
|
raise Exception("P2P_CONNECT(join) failed")
|
|
|
|
def tdls_setup(self, peer):
|
|
cmd = "TDLS_SETUP " + peer
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to request TDLS setup")
|
|
return None
|
|
|
|
def tdls_teardown(self, peer):
|
|
cmd = "TDLS_TEARDOWN " + peer
|
|
if "FAIL" in self.group_request(cmd):
|
|
raise Exception("Failed to request TDLS teardown")
|
|
return None
|
|
|
|
def tdls_link_status(self, peer):
|
|
cmd = "TDLS_LINK_STATUS " + peer
|
|
ret = self.group_request(cmd)
|
|
if "FAIL" in ret:
|
|
raise Exception("Failed to request TDLS link status")
|
|
return ret
|
|
|
|
def tspecs(self):
|
|
"""Return (tsid, up) tuples representing current tspecs"""
|
|
res = self.request("WMM_AC_STATUS")
|
|
tspecs = re.findall(r"TSID=(\d+) UP=(\d+)", res)
|
|
tspecs = [tuple(map(int, tspec)) for tspec in tspecs]
|
|
|
|
logger.debug("tspecs: " + str(tspecs))
|
|
return tspecs
|
|
|
|
def add_ts(self, tsid, up, direction="downlink", expect_failure=False,
|
|
extra=None):
|
|
params = {
|
|
"sba": 9000,
|
|
"nominal_msdu_size": 1500,
|
|
"min_phy_rate": 6000000,
|
|
"mean_data_rate": 1500,
|
|
}
|
|
cmd = "WMM_AC_ADDTS %s tsid=%d up=%d" % (direction, tsid, up)
|
|
for (key, value) in params.iteritems():
|
|
cmd += " %s=%d" % (key, value)
|
|
if extra:
|
|
cmd += " " + extra
|
|
|
|
if self.request(cmd).strip() != "OK":
|
|
raise Exception("ADDTS failed (tsid=%d up=%d)" % (tsid, up))
|
|
|
|
if expect_failure:
|
|
ev = self.wait_event(["TSPEC-REQ-FAILED"], timeout=2)
|
|
if ev is None:
|
|
raise Exception("ADDTS failed (time out while waiting failure)")
|
|
if "tsid=%d" % (tsid) not in ev:
|
|
raise Exception("ADDTS failed (invalid tsid in TSPEC-REQ-FAILED")
|
|
return
|
|
|
|
ev = self.wait_event(["TSPEC-ADDED"], timeout=1)
|
|
if ev is None:
|
|
raise Exception("ADDTS failed (time out)")
|
|
if "tsid=%d" % (tsid) not in ev:
|
|
raise Exception("ADDTS failed (invalid tsid in TSPEC-ADDED)")
|
|
|
|
if not (tsid, up) in self.tspecs():
|
|
raise Exception("ADDTS failed (tsid not in tspec list)")
|
|
|
|
def del_ts(self, tsid):
|
|
if self.request("WMM_AC_DELTS %d" % (tsid)).strip() != "OK":
|
|
raise Exception("DELTS failed")
|
|
|
|
ev = self.wait_event(["TSPEC-REMOVED"], timeout=1)
|
|
if ev is None:
|
|
raise Exception("DELTS failed (time out)")
|
|
if "tsid=%d" % (tsid) not in ev:
|
|
raise Exception("DELTS failed (invalid tsid in TSPEC-REMOVED)")
|
|
|
|
tspecs = [(t, u) for (t, u) in self.tspecs() if t == tsid]
|
|
if tspecs:
|
|
raise Exception("DELTS failed (still in tspec list)")
|
|
|
|
def connect(self, ssid=None, ssid2=None, **kwargs):
|
|
logger.info("Connect STA " + self.ifname + " to AP")
|
|
id = self.add_network()
|
|
if ssid:
|
|
self.set_network_quoted(id, "ssid", ssid)
|
|
elif ssid2:
|
|
self.set_network(id, "ssid", ssid2)
|
|
|
|
quoted = [ "psk", "identity", "anonymous_identity", "password",
|
|
"ca_cert", "client_cert", "private_key",
|
|
"private_key_passwd", "ca_cert2", "client_cert2",
|
|
"private_key2", "phase1", "phase2", "domain_suffix_match",
|
|
"altsubject_match", "subject_match", "pac_file", "dh_file",
|
|
"bgscan", "ht_mcs", "id_str", "openssl_ciphers",
|
|
"domain_match" ]
|
|
for field in quoted:
|
|
if field in kwargs and kwargs[field]:
|
|
self.set_network_quoted(id, field, kwargs[field])
|
|
|
|
not_quoted = [ "proto", "key_mgmt", "ieee80211w", "pairwise",
|
|
"group", "wep_key0", "wep_key1", "wep_key2", "wep_key3",
|
|
"wep_tx_keyidx", "scan_freq", "freq_list", "eap",
|
|
"eapol_flags", "fragment_size", "scan_ssid", "auth_alg",
|
|
"wpa_ptk_rekey", "disable_ht", "disable_vht", "bssid",
|
|
"disable_max_amsdu", "ampdu_factor", "ampdu_density",
|
|
"disable_ht40", "disable_sgi", "disable_ldpc",
|
|
"ht40_intolerant", "update_identifier", "mac_addr",
|
|
"erp", "bg_scan_period", "bssid_blacklist",
|
|
"bssid_whitelist", "mem_only_psk", "eap_workaround",
|
|
"engine" ]
|
|
for field in not_quoted:
|
|
if field in kwargs and kwargs[field]:
|
|
self.set_network(id, field, kwargs[field])
|
|
|
|
if "raw_psk" in kwargs and kwargs['raw_psk']:
|
|
self.set_network(id, "psk", kwargs['raw_psk'])
|
|
if "password_hex" in kwargs and kwargs['password_hex']:
|
|
self.set_network(id, "password", kwargs['password_hex'])
|
|
if "peerkey" in kwargs and kwargs['peerkey']:
|
|
self.set_network(id, "peerkey", "1")
|
|
if "okc" in kwargs and kwargs['okc']:
|
|
self.set_network(id, "proactive_key_caching", "1")
|
|
if "ocsp" in kwargs and kwargs['ocsp']:
|
|
self.set_network(id, "ocsp", str(kwargs['ocsp']))
|
|
if "only_add_network" in kwargs and kwargs['only_add_network']:
|
|
return id
|
|
if "wait_connect" not in kwargs or kwargs['wait_connect']:
|
|
if "eap" in kwargs:
|
|
self.connect_network(id, timeout=20)
|
|
else:
|
|
self.connect_network(id)
|
|
else:
|
|
self.dump_monitor()
|
|
self.select_network(id)
|
|
return id
|
|
|
|
def scan(self, type=None, freq=None, no_wait=False, only_new=False):
|
|
if type:
|
|
cmd = "SCAN TYPE=" + type
|
|
else:
|
|
cmd = "SCAN"
|
|
if freq:
|
|
cmd = cmd + " freq=" + str(freq)
|
|
if only_new:
|
|
cmd += " only_new=1"
|
|
if not no_wait:
|
|
self.dump_monitor()
|
|
if not "OK" in self.request(cmd):
|
|
raise Exception("Failed to trigger scan")
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["CTRL-EVENT-SCAN-RESULTS"], 15)
|
|
if ev is None:
|
|
raise Exception("Scan timed out")
|
|
|
|
def scan_for_bss(self, bssid, freq=None, force_scan=False, only_new=False):
|
|
if not force_scan and self.get_bss(bssid) is not None:
|
|
return
|
|
for i in range(0, 10):
|
|
self.scan(freq=freq, type="ONLY", only_new=only_new)
|
|
if self.get_bss(bssid) is not None:
|
|
return
|
|
raise Exception("Could not find BSS " + bssid + " in scan")
|
|
|
|
def flush_scan_cache(self, freq=2417):
|
|
self.request("BSS_FLUSH 0")
|
|
self.scan(freq=freq, only_new=True)
|
|
res = self.request("SCAN_RESULTS")
|
|
if len(res.splitlines()) > 1:
|
|
self.request("BSS_FLUSH 0")
|
|
self.scan(freq=2422, only_new=True)
|
|
res = self.request("SCAN_RESULTS")
|
|
if len(res.splitlines()) > 1:
|
|
logger.info("flush_scan_cache: Could not clear all BSS entries. These remain:\n" + res)
|
|
|
|
def roam(self, bssid, fail_test=False):
|
|
self.dump_monitor()
|
|
if "OK" not in self.request("ROAM " + bssid):
|
|
raise Exception("ROAM failed")
|
|
if fail_test:
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
self.dump_monitor()
|
|
return
|
|
self.wait_connected(timeout=10, error="Roaming with the AP timed out")
|
|
self.dump_monitor()
|
|
|
|
def roam_over_ds(self, bssid, fail_test=False):
|
|
self.dump_monitor()
|
|
if "OK" not in self.request("FT_DS " + bssid):
|
|
raise Exception("FT_DS failed")
|
|
if fail_test:
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=1)
|
|
if ev is not None:
|
|
raise Exception("Unexpected connection")
|
|
self.dump_monitor()
|
|
return
|
|
self.wait_connected(timeout=10, error="Roaming with the AP timed out")
|
|
self.dump_monitor()
|
|
|
|
def wps_reg(self, bssid, pin, new_ssid=None, key_mgmt=None, cipher=None,
|
|
new_passphrase=None, no_wait=False):
|
|
self.dump_monitor()
|
|
if new_ssid:
|
|
self.request("WPS_REG " + bssid + " " + pin + " " +
|
|
new_ssid.encode("hex") + " " + key_mgmt + " " +
|
|
cipher + " " + new_passphrase.encode("hex"))
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["WPS-SUCCESS"], timeout=15)
|
|
else:
|
|
self.request("WPS_REG " + bssid + " " + pin)
|
|
if no_wait:
|
|
return
|
|
ev = self.wait_event(["WPS-CRED-RECEIVED"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("WPS cred timed out")
|
|
ev = self.wait_event(["WPS-FAIL"], timeout=15)
|
|
if ev is None:
|
|
raise Exception("WPS timed out")
|
|
self.wait_connected(timeout=15)
|
|
|
|
def relog(self):
|
|
self.global_request("RELOG")
|
|
|
|
def wait_completed(self, timeout=10):
|
|
for i in range(0, timeout * 2):
|
|
if self.get_status_field("wpa_state") == "COMPLETED":
|
|
return
|
|
time.sleep(0.5)
|
|
raise Exception("Timeout while waiting for COMPLETED state")
|
|
|
|
def get_capability(self, field):
|
|
res = self.request("GET_CAPABILITY " + field)
|
|
if "FAIL" in res:
|
|
return None
|
|
return res.split(' ')
|
|
|
|
def get_bss(self, bssid, ifname=None):
|
|
if not ifname or ifname == self.ifname:
|
|
res = self.request("BSS " + bssid)
|
|
elif ifname == self.group_ifname:
|
|
res = self.group_request("BSS " + bssid)
|
|
else:
|
|
return None
|
|
|
|
if "FAIL" in res:
|
|
return None
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
if len(vals) == 0:
|
|
return None
|
|
return vals
|
|
|
|
def get_pmksa(self, bssid):
|
|
res = self.request("PMKSA")
|
|
lines = res.splitlines()
|
|
for l in lines:
|
|
if bssid not in l:
|
|
continue
|
|
vals = dict()
|
|
[index,aa,pmkid,expiration,opportunistic] = l.split(' ')
|
|
vals['index'] = index
|
|
vals['pmkid'] = pmkid
|
|
vals['expiration'] = expiration
|
|
vals['opportunistic'] = opportunistic
|
|
return vals
|
|
return None
|
|
|
|
def get_sta(self, addr, info=None, next=False):
|
|
cmd = "STA-NEXT " if next else "STA "
|
|
if addr is None:
|
|
res = self.request("STA-FIRST")
|
|
elif info:
|
|
res = self.request(cmd + addr + " " + info)
|
|
else:
|
|
res = self.request(cmd + addr)
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
first = True
|
|
for l in lines:
|
|
if first:
|
|
vals['addr'] = l
|
|
first = False
|
|
else:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
return vals
|
|
|
|
def mgmt_rx(self, timeout=5):
|
|
ev = self.wait_event(["MGMT-RX"], timeout=timeout)
|
|
if ev is None:
|
|
return None
|
|
msg = {}
|
|
items = ev.split(' ')
|
|
field,val = items[1].split('=')
|
|
if field != "freq":
|
|
raise Exception("Unexpected MGMT-RX event format: " + ev)
|
|
msg['freq'] = val
|
|
|
|
field,val = items[2].split('=')
|
|
if field != "datarate":
|
|
raise Exception("Unexpected MGMT-RX event format: " + ev)
|
|
msg['datarate'] = val
|
|
|
|
field,val = items[3].split('=')
|
|
if field != "ssi_signal":
|
|
raise Exception("Unexpected MGMT-RX event format: " + ev)
|
|
msg['ssi_signal'] = val
|
|
|
|
frame = binascii.unhexlify(items[4])
|
|
msg['frame'] = frame
|
|
|
|
hdr = struct.unpack('<HH6B6B6BH', frame[0:24])
|
|
msg['fc'] = hdr[0]
|
|
msg['subtype'] = (hdr[0] >> 4) & 0xf
|
|
hdr = hdr[1:]
|
|
msg['duration'] = hdr[0]
|
|
hdr = hdr[1:]
|
|
msg['da'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['sa'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['bssid'] = "%02x:%02x:%02x:%02x:%02x:%02x" % hdr[0:6]
|
|
hdr = hdr[6:]
|
|
msg['seq_ctrl'] = hdr[0]
|
|
msg['payload'] = frame[24:]
|
|
|
|
return msg
|
|
|
|
def wait_connected(self, timeout=10, error="Connection timed out"):
|
|
ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=timeout)
|
|
if ev is None:
|
|
raise Exception(error)
|
|
return ev
|
|
|
|
def wait_disconnected(self, timeout=10, error="Disconnection timed out"):
|
|
ev = self.wait_event(["CTRL-EVENT-DISCONNECTED"], timeout=timeout)
|
|
if ev is None:
|
|
raise Exception(error)
|
|
return ev
|
|
|
|
def get_group_ifname(self):
|
|
return self.group_ifname if self.group_ifname else self.ifname
|
|
|
|
def get_config(self):
|
|
res = self.request("DUMP")
|
|
if res.startswith("FAIL"):
|
|
raise Exception("DUMP failed")
|
|
lines = res.splitlines()
|
|
vals = dict()
|
|
for l in lines:
|
|
[name,value] = l.split('=', 1)
|
|
vals[name] = value
|
|
return vals
|
|
|
|
def asp_provision(self, peer, adv_id, adv_mac, session_id, session_mac,
|
|
method="1000", info="", status=None, cpt=None, role=None):
|
|
if status is None:
|
|
cmd = "P2P_ASP_PROVISION"
|
|
params = "info='%s' method=%s" % (info, method)
|
|
else:
|
|
cmd = "P2P_ASP_PROVISION_RESP"
|
|
params = "status=%d" % status
|
|
|
|
if role is not None:
|
|
params += " role=" + role
|
|
if cpt is not None:
|
|
params += " cpt=" + cpt
|
|
|
|
if "OK" not in self.global_request("%s %s adv_id=%s adv_mac=%s session=%d session_mac=%s %s" %
|
|
(cmd, peer, adv_id, adv_mac, session_id, session_mac, params)):
|
|
raise Exception("%s request failed" % cmd)
|