tests/hwsim/wpasupplicant.py

   1 #!/usr/bin/python
   2 #
   3 # Python class for controlling wpa_supplicant
   4 # Copyright (c) 2013-2014, Jouni Malinen <j@w1.fi>
   5 #
   6 # This software may be distributed under the terms of the BSD license.
   7 # See README for more details.
   8
   9 import os
  10 import time
  11 import logging
  12 import re
  13 import subprocess
  14 import wpaspy
  15
  16 logger = logging.getLogger()
  17 wpas_ctrl = '/var/run/wpa_supplicant'
  18
  19 class WpaSupplicant:
  20     def __init__(self, ifname=None, global_iface=None):
  21         self.group_ifname = None
  22         if ifname:
  23             self.set_ifname(ifname)
  24         else:
  25             self.ifname = None
  26
  27         self.global_iface = global_iface
  28         if global_iface:
  29             self.global_ctrl = wpaspy.Ctrl(global_iface)
  30             self.global_mon = wpaspy.Ctrl(global_iface)
  31             self.global_mon.attach()
  32
  33     def set_ifname(self, ifname):
  34         self.ifname = ifname
  35         self.ctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
  36         self.mon = wpaspy.Ctrl(os.path.join(wpas_ctrl, ifname))
  37         self.mon.attach()
  38
  39     def remove_ifname(self):
  40         if self.ifname:
  41             self.mon.detach()
  42             self.mon = None
  43             self.ctrl = None
  44             self.ifname = None
  45
  46     def interface_add(self, ifname, driver="nl80211", drv_params=None):
  47         try:
  48             groups = subprocess.check_output(["id"])
  49             group = "admin" if "(admin)" in groups else "adm"
  50         except Exception, e:
  51             group = "admin"
  52         cmd = "INTERFACE_ADD " + ifname + "\t\t" + driver + "\tDIR=/var/run/wpa_supplicant GROUP=" + group
  53         if drv_params:
  54             cmd = cmd + '\t' + drv_params
  55         if "FAIL" in self.global_request(cmd):
  56             raise Exception("Failed to add a dynamic wpa_supplicant interface")
  57         self.set_ifname(ifname)
  58
  59     def interface_remove(self, ifname):
  60         self.remove_ifname()
  61         self.global_request("INTERFACE_REMOVE " + ifname)
  62
  63     def request(self, cmd):
  64         logger.debug(self.ifname + ": CTRL: " + cmd)
  65         return self.ctrl.request(cmd)
  66
  67     def global_request(self, cmd):
  68         if self.global_iface is None:
  69             self.request(cmd)
  70         else:
  71             ifname = self.ifname or self.global_iface
  72             logger.debug(ifname + ": CTRL: " + cmd)
  73             return self.global_ctrl.request(cmd)
  74
  75     def group_request(self, cmd):
  76         if self.group_ifname and self.group_ifname != self.ifname:
  77             logger.debug(self.group_ifname + ": CTRL: " + cmd)
  78             gctrl = wpaspy.Ctrl(os.path.join(wpas_ctrl, self.group_ifname))
  79             return gctrl.request(cmd)
  80         return self.request(cmd)
  81
  82     def ping(self):
  83         return "PONG" in self.request("PING")
  84
  85     def reset(self):
  86         res = self.request("FLUSH")
  87         if not "OK" in res:
  88             logger.info("FLUSH to " + self.ifname + " failed: " + res)
  89         self.request("SET external_sim 0")
  90         self.request("SET hessid 00:00:00:00:00:00")
  91         self.request("SET access_network_type 15")
  92         self.request("SET p2p_add_cli_chan 0")
  93         self.request("SET p2p_no_go_freq ")
  94         self.request("SET p2p_pref_chan ")
  95         self.request("SET p2p_no_group_iface 1")
  96         self.request("SET p2p_go_intent 7")
  97         self.group_ifname = None
  98         self.dump_monitor()
  99
 100         iter = 0
 101         while iter < 60:
 102             state = self.get_driver_status_field("scan_state")
 103             if "SCAN_STARTED" in state or "SCAN_REQUESTED" in state:
 104                 logger.info(self.ifname + ": Waiting for scan operation to complete before continuing")
 105                 time.sleep(1)
 106             else:
 107                 break
 108             iter = iter + 1
 109         if iter == 60:
 110             logger.error(self.ifname + ": Driver scan state did not clear")
 111             print "Trying to clear cfg80211/mac80211 scan state"
 112             try:
 113                 cmd = ["sudo", "ifconfig", self.ifname, "down"]
 114                 subprocess.call(cmd)
 115             except subprocess.CalledProcessError, e:
 116                 logger.info("ifconfig failed: " + str(e.returncode))
 117                 logger.info(e.output)
 118             try:
 119                 cmd = ["sudo", "ifconfig", self.ifname, "up"]
 120                 subprocess.call(cmd)
 121             except subprocess.CalledProcessError, e:
 122                 logger.info("ifconfig failed: " + str(e.returncode))
 123                 logger.info(e.output)
 124         if iter > 0:
 125             # The ongoing scan could have discovered BSSes or P2P peers
 126             logger.info("Run FLUSH again since scan was in progress")
 127             self.request("FLUSH")
 128             self.dump_monitor()
 129
 130         if not self.ping():
 131             logger.info("No PING response from " + self.ifname + " after reset")
 132
 133     def add_network(self):
 134         id = self.request("ADD_NETWORK")
 135         if "FAIL" in id:
 136             raise Exception("ADD_NETWORK failed")
 137         return int(id)
 138
 139     def remove_network(self, id):
 140         id = self.request("REMOVE_NETWORK " + str(id))
 141         if "FAIL" in id:
 142             raise Exception("REMOVE_NETWORK failed")
 143         return None
 144
 145     def set_network(self, id, field, value):
 146         res = self.request("SET_NETWORK " + str(id) + " " + field + " " + value)
 147         if "FAIL" in res:
 148             raise Exception("SET_NETWORK failed")
 149         return None
 150
 151     def set_network_quoted(self, id, field, value):
 152         res = self.request("SET_NETWORK " + str(id) + " " + field + ' "' + value + '"')
 153         if "FAIL" in res:
 154             raise Exception("SET_NETWORK failed")
 155         return None
 156
 157     def list_networks(self):
 158         res = self.request("LIST_NETWORKS")
 159         lines = res.splitlines()
 160         networks = []
 161         for l in lines:
 162             if "network id" in l:
 163                 continue
 164             [id,ssid,bssid,flags] = l.split('\t')
 165             network = {}
 166             network['id'] = id
 167             network['ssid'] = ssid
 168             network['bssid'] = bssid
 169             network['flags'] = flags
 170             networks.append(network)
 171         return networks
 172
 173     def hs20_enable(self):
 174         self.request("SET interworking 1")
 175         self.request("SET hs20 1")
 176
 177     def add_cred(self):
 178         id = self.request("ADD_CRED")
 179         if "FAIL" in id:
 180             raise Exception("ADD_CRED failed")
 181         return int(id)
 182
 183     def remove_cred(self, id):
 184         id = self.request("REMOVE_CRED " + str(id))
 185         if "FAIL" in id:
 186             raise Exception("REMOVE_CRED failed")
 187         return None
 188
 189     def set_cred(self, id, field, value):
 190         res = self.request("SET_CRED " + str(id) + " " + field + " " + value)
 191         if "FAIL" in res:
 192             raise Exception("SET_CRED failed")
 193         return None
 194
 195     def set_cred_quoted(self, id, field, value):
 196         res = self.request("SET_CRED " + str(id) + " " + field + ' "' + value + '"')
 197         if "FAIL" in res:
 198             raise Exception("SET_CRED failed")
 199         return None
 200
 201     def add_cred_values(self, params):
 202         id = self.add_cred()
 203
 204         quoted = [ "realm", "username", "password", "domain", "imsi",
 205                    "excluded_ssid", "milenage", "ca_cert", "client_cert",
 206                    "private_key" ]
 207         for field in quoted:
 208             if field in params:
 209                 self.set_cred_quoted(id, field, params[field])
 210
 211         not_quoted = [ "eap", "roaming_consortium",
 212                        "required_roaming_consortium" ]
 213         for field in not_quoted:
 214             if field in params:
 215                 self.set_cred(id, field, params[field])
 216
 217         return id;
 218
 219     def select_network(self, id):
 220         id = self.request("SELECT_NETWORK " + str(id))
 221         if "FAIL" in id:
 222             raise Exception("SELECT_NETWORK failed")
 223         return None
 224
 225     def connect_network(self, id, timeout=10):
 226         self.dump_monitor()
 227         self.select_network(id)
 228         ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=timeout)
 229         if ev is None:
 230             raise Exception("Association with the AP timed out")
 231         self.dump_monitor()
 232
 233     def get_status(self):
 234         res = self.request("STATUS")
 235         lines = res.splitlines()
 236         vals = dict()
 237         for l in lines:
 238             [name,value] = l.split('=', 1)
 239             vals[name] = value
 240         return vals
 241
 242     def get_status_field(self, field):
 243         vals = self.get_status()
 244         if field in vals:
 245             return vals[field]
 246         return None
 247
 248     def get_group_status(self):
 249         res = self.group_request("STATUS")
 250         lines = res.splitlines()
 251         vals = dict()
 252         for l in lines:
 253             [name,value] = l.split('=', 1)
 254             vals[name] = value
 255         return vals
 256
 257     def get_group_status_field(self, field):
 258         vals = self.get_group_status()
 259         if field in vals:
 260             return vals[field]
 261         return None
 262
 263     def get_driver_status(self):
 264         res = self.request("STATUS-DRIVER")
 265         lines = res.splitlines()
 266         vals = dict()
 267         for l in lines:
 268             [name,value] = l.split('=', 1)
 269             vals[name] = value
 270         return vals
 271
 272     def get_driver_status_field(self, field):
 273         vals = self.get_driver_status()
 274         if field in vals:
 275             return vals[field]
 276         return None
 277
 278     def p2p_dev_addr(self):
 279         return self.get_status_field("p2p_device_address")
 280
 281     def p2p_interface_addr(self):
 282         return self.get_group_status_field("address")
 283
 284     def p2p_listen(self):
 285         return self.global_request("P2P_LISTEN")
 286
 287     def p2p_find(self, social=False, dev_id=None, dev_type=None):
 288         cmd = "P2P_FIND"
 289         if social:
 290             cmd = cmd + " type=social"
 291         if dev_id:
 292             cmd = cmd + " dev_id=" + dev_id
 293         if dev_type:
 294             cmd = cmd + " dev_type=" + dev_type
 295         return self.global_request(cmd)
 296
 297     def p2p_stop_find(self):
 298         return self.global_request("P2P_STOP_FIND")
 299
 300     def wps_read_pin(self):
 301         #TODO: make this random
 302         self.pin = "12345670"
 303         return self.pin
 304
 305     def peer_known(self, peer, full=True):
 306         res = self.global_request("P2P_PEER " + peer)
 307         if peer.lower() not in res.lower():
 308             return False
 309         if not full:
 310             return True
 311         return "[PROBE_REQ_ONLY]" not in res
 312
 313     def discover_peer(self, peer, full=True, timeout=15, social=True, force_find=False):
 314         logger.info(self.ifname + ": Trying to discover peer " + peer)
 315         if not force_find and self.peer_known(peer, full):
 316             return True
 317         self.p2p_find(social)
 318         count = 0
 319         while count < timeout:
 320             time.sleep(1)
 321             count = count + 1
 322             if self.peer_known(peer, full):
 323                 return True
 324         return False
 325
 326     def get_peer(self, peer):
 327         res = self.global_request("P2P_PEER " + peer)
 328         if peer.lower() not in res.lower():
 329             raise Exception("Peer information not available")
 330         lines = res.splitlines()
 331         vals = dict()
 332         for l in lines:
 333             if '=' in l:
 334                 [name,value] = l.split('=', 1)
 335                 vals[name] = value
 336         return vals
 337
 338     def group_form_result(self, ev, expect_failure=False, go_neg_res=None):
 339         if expect_failure:
 340             if "P2P-GROUP-STARTED" in ev:
 341                 raise Exception("Group formation succeeded when expecting failure")
 342             exp = r'<.>(P2P-GO-NEG-FAILURE) status=([0-9]*)'
 343             s = re.split(exp, ev)
 344             if len(s) < 3:
 345                 return None
 346             res = {}
 347             res['result'] = 'go-neg-failed'
 348             res['status'] = int(s[2])
 349             return res
 350
 351         if "P2P-GROUP-STARTED" not in ev:
 352             raise Exception("No P2P-GROUP-STARTED event seen")
 353
 354         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.]*)'
 355         s = re.split(exp, ev)
 356         if len(s) < 11:
 357             exp = r'<.>(P2P-GROUP-STARTED) ([^ ]*) ([^ ]*) ssid="(.*)" freq=([0-9]*) ((?:psk=.*)|(?:passphrase=".*")) go_dev_addr=([0-9a-f:]*)'
 358             s = re.split(exp, ev)
 359             if len(s) < 8:
 360                 raise Exception("Could not parse P2P-GROUP-STARTED")
 361         res = {}
 362         res['result'] = 'success'
 363         res['ifname'] = s[2]
 364         self.group_ifname = s[2]
 365         res['role'] = s[3]
 366         res['ssid'] = s[4]
 367         res['freq'] = s[5]
 368         if "[PERSISTENT]" in ev:
 369             res['persistent'] = True
 370         else:
 371             res['persistent'] = False
 372         p = re.match(r'psk=([0-9a-f]*)', s[6])
 373         if p:
 374             res['psk'] = p.group(1)
 375         p = re.match(r'passphrase="(.*)"', s[6])
 376         if p:
 377             res['passphrase'] = p.group(1)
 378         res['go_dev_addr'] = s[7]
 379
 380         if len(s) > 8 and len(s[8]) > 0:
 381             res['ip_addr'] = s[8]
 382         if len(s) > 9:
 383             res['ip_mask'] = s[9]
 384         if len(s) > 10:
 385             res['go_ip_addr'] = s[10]
 386
 387         if go_neg_res:
 388             exp = r'<.>(P2P-GO-NEG-SUCCESS) role=(GO|client) freq=([0-9]*)'
 389             s = re.split(exp, go_neg_res)
 390             if len(s) < 4:
 391                 raise Exception("Could not parse P2P-GO-NEG-SUCCESS")
 392             res['go_neg_role'] = s[2]
 393             res['go_neg_freq'] = s[3]
 394
 395         return res
 396
 397     def p2p_go_neg_auth(self, peer, pin, method, go_intent=None, persistent=False, freq=None):
 398         if not self.discover_peer(peer):
 399             raise Exception("Peer " + peer + " not found")
 400         self.dump_monitor()
 401         cmd = "P2P_CONNECT " + peer + " " + pin + " " + method + " auth"
 402         if go_intent:
 403             cmd = cmd + ' go_intent=' + str(go_intent)
 404         if freq:
 405             cmd = cmd + ' freq=' + str(freq)
 406         if persistent:
 407             cmd = cmd + " persistent"
 408         if "OK" in self.global_request(cmd):
 409             return None
 410         raise Exception("P2P_CONNECT (auth) failed")
 411
 412     def p2p_go_neg_auth_result(self, timeout=1, expect_failure=False):
 413         go_neg_res = None
 414         ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
 415                                      "P2P-GO-NEG-FAILURE"], timeout);
 416         if ev is None:
 417             if expect_failure:
 418                 return None
 419             raise Exception("Group formation timed out")
 420         if "P2P-GO-NEG-SUCCESS" in ev:
 421             go_neg_res = ev
 422             ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout);
 423             if ev is None:
 424                 if expect_failure:
 425                     return None
 426                 raise Exception("Group formation timed out")
 427         self.dump_monitor()
 428         return self.group_form_result(ev, expect_failure, go_neg_res)
 429
 430     def p2p_go_neg_init(self, peer, pin, method, timeout=0, go_intent=None, expect_failure=False, persistent=False, freq=None):
 431         if not self.discover_peer(peer):
 432             raise Exception("Peer " + peer + " not found")
 433         self.dump_monitor()
 434         if pin:
 435             cmd = "P2P_CONNECT " + peer + " " + pin + " " + method
 436         else:
 437             cmd = "P2P_CONNECT " + peer + " " + method
 438         if go_intent:
 439             cmd = cmd + ' go_intent=' + str(go_intent)
 440         if freq:
 441             cmd = cmd + ' freq=' + str(freq)
 442         if persistent:
 443             cmd = cmd + " persistent"
 444         if "OK" in self.global_request(cmd):
 445             if timeout == 0:
 446                 self.dump_monitor()
 447                 return None
 448             go_neg_res = None
 449             ev = self.wait_global_event(["P2P-GO-NEG-SUCCESS",
 450                                          "P2P-GO-NEG-FAILURE"], timeout)
 451             if ev is None:
 452                 if expect_failure:
 453                     return None
 454                 raise Exception("Group formation timed out")
 455             if "P2P-GO-NEG-SUCCESS" in ev:
 456                 go_neg_res = ev
 457                 ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
 458                 if ev is None:
 459                     if expect_failure:
 460                         return None
 461                     raise Exception("Group formation timed out")
 462             self.dump_monitor()
 463             return self.group_form_result(ev, expect_failure, go_neg_res)
 464         raise Exception("P2P_CONNECT failed")
 465
 466     def wait_event(self, events, timeout=10):
 467         start = os.times()[4]
 468         while True:
 469             while self.mon.pending():
 470                 ev = self.mon.recv()
 471                 logger.debug(self.ifname + ": " + ev)
 472                 for event in events:
 473                     if event in ev:
 474                         return ev
 475             now = os.times()[4]
 476             remaining = start + timeout - now
 477             if remaining <= 0:
 478                 break
 479             if not self.mon.pending(timeout=remaining):
 480                 break
 481         return None
 482
 483     def wait_global_event(self, events, timeout):
 484         if self.global_iface is None:
 485             self.wait_event(events, timeout)
 486         else:
 487             start = os.times()[4]
 488             while True:
 489                 while self.global_mon.pending():
 490                     ev = self.global_mon.recv()
 491                     logger.debug(self.ifname + "(global): " + ev)
 492                     for event in events:
 493                         if event in ev:
 494                             return ev
 495                 now = os.times()[4]
 496                 remaining = start + timeout - now
 497                 if remaining <= 0:
 498                     break
 499                 if not self.global_mon.pending(timeout=remaining):
 500                     break
 501         return None
 502
 503     def wait_go_ending_session(self):
 504         ev = self.wait_event(["P2P-GROUP-REMOVED"], timeout=3)
 505         if ev is None:
 506             raise Exception("Group removal event timed out")
 507         if "reason=GO_ENDING_SESSION" not in ev:
 508             raise Exception("Unexpected group removal reason")
 509
 510     def dump_monitor(self):
 511         while self.mon.pending():
 512             ev = self.mon.recv()
 513             logger.debug(self.ifname + ": " + ev)
 514         while self.global_mon.pending():
 515             ev = self.global_mon.recv()
 516             logger.debug(self.ifname + "(global): " + ev)
 517
 518     def remove_group(self, ifname=None):
 519         if ifname is None:
 520             ifname = self.group_ifname if self.group_ifname else self.ifname
 521         if "OK" not in self.global_request("P2P_GROUP_REMOVE " + ifname):
 522             raise Exception("Group could not be removed")
 523         self.group_ifname = None
 524
 525     def p2p_start_go(self, persistent=None, freq=None):
 526         self.dump_monitor()
 527         cmd = "P2P_GROUP_ADD"
 528         if persistent is None:
 529             pass
 530         elif persistent is True:
 531             cmd = cmd + " persistent"
 532         else:
 533             cmd = cmd + " persistent=" + str(persistent)
 534         if freq:
 535             cmd = cmd + " freq=" + str(freq)
 536         if "OK" in self.global_request(cmd):
 537             ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout=5)
 538             if ev is None:
 539                 raise Exception("GO start up timed out")
 540             self.dump_monitor()
 541             return self.group_form_result(ev)
 542         raise Exception("P2P_GROUP_ADD failed")
 543
 544     def p2p_go_authorize_client(self, pin):
 545         cmd = "WPS_PIN any " + pin
 546         if "FAIL" in self.group_request(cmd):
 547             raise Exception("Failed to authorize client connection on GO")
 548         return None
 549
 550     def p2p_go_authorize_client_pbc(self):
 551         cmd = "WPS_PBC"
 552         if "FAIL" in self.group_request(cmd):
 553             raise Exception("Failed to authorize client connection on GO")
 554         return None
 555
 556     def p2p_connect_group(self, go_addr, pin, timeout=0, social=False):
 557         self.dump_monitor()
 558         if not self.discover_peer(go_addr, social=social):
 559             raise Exception("GO " + go_addr + " not found")
 560         self.dump_monitor()
 561         cmd = "P2P_CONNECT " + go_addr + " " + pin + " join"
 562         if "OK" in self.global_request(cmd):
 563             if timeout == 0:
 564                 self.dump_monitor()
 565                 return None
 566             ev = self.wait_global_event(["P2P-GROUP-STARTED"], timeout)
 567             if ev is None:
 568                 raise Exception("Joining the group timed out")
 569             self.dump_monitor()
 570             return self.group_form_result(ev)
 571         raise Exception("P2P_CONNECT(join) failed")
 572
 573     def tdls_setup(self, peer):
 574         cmd = "TDLS_SETUP " + peer
 575         if "FAIL" in self.group_request(cmd):
 576             raise Exception("Failed to request TDLS setup")
 577         return None
 578
 579     def tdls_teardown(self, peer):
 580         cmd = "TDLS_TEARDOWN " + peer
 581         if "FAIL" in self.group_request(cmd):
 582             raise Exception("Failed to request TDLS teardown")
 583         return None
 584
 585     def connect(self, ssid=None, ssid2=None, psk=None, proto=None,
 586                 key_mgmt=None, wep_key0=None,
 587                 ieee80211w=None, pairwise=None, group=None, scan_freq=None,
 588                 eap=None, identity=None, anonymous_identity=None,
 589                 password=None, phase1=None, phase2=None, ca_cert=None,
 590                 domain_suffix_match=None, password_hex=None,
 591                 client_cert=None, private_key=None, peerkey=False, okc=False,
 592                 eapol_flags=None, fragment_size=None,
 593                 wait_connect=True, only_add_network=False,
 594                 ca_cert2=None, client_cert2=None, private_key2=None,
 595                 scan_ssid=None, raw_psk=None, pac_file=None,
 596                 subject_match=None, altsubject_match=None,
 597                 private_key_passwd=None, ocsp=None):
 598         logger.info("Connect STA " + self.ifname + " to AP")
 599         id = self.add_network()
 600         if ssid:
 601             self.set_network_quoted(id, "ssid", ssid)
 602         elif ssid2:
 603             self.set_network(id, "ssid", ssid2)
 604         if psk:
 605             self.set_network_quoted(id, "psk", psk)
 606         if raw_psk:
 607             self.set_network(id, "psk", raw_psk)
 608         if proto:
 609             self.set_network(id, "proto", proto)
 610         if key_mgmt:
 611             self.set_network(id, "key_mgmt", key_mgmt)
 612         if ieee80211w:
 613             self.set_network(id, "ieee80211w", ieee80211w)
 614         if pairwise:
 615             self.set_network(id, "pairwise", pairwise)
 616         if group:
 617             self.set_network(id, "group", group)
 618         if wep_key0:
 619             self.set_network(id, "wep_key0", wep_key0)
 620         if scan_freq:
 621             self.set_network(id, "scan_freq", scan_freq)
 622         if eap:
 623             self.set_network(id, "eap", eap)
 624         if identity:
 625             self.set_network_quoted(id, "identity", identity)
 626         if anonymous_identity:
 627             self.set_network_quoted(id, "anonymous_identity",
 628                                     anonymous_identity)
 629         if password:
 630             self.set_network_quoted(id, "password", password)
 631         if password_hex:
 632             self.set_network(id, "password", password_hex)
 633         if ca_cert:
 634             self.set_network_quoted(id, "ca_cert", ca_cert)
 635         if client_cert:
 636             self.set_network_quoted(id, "client_cert", client_cert)
 637         if private_key:
 638             self.set_network_quoted(id, "private_key", private_key)
 639         if private_key_passwd:
 640             self.set_network_quoted(id, "private_key_passwd",
 641                                     private_key_passwd)
 642         if ca_cert2:
 643             self.set_network_quoted(id, "ca_cert2", ca_cert2)
 644         if client_cert2:
 645             self.set_network_quoted(id, "client_cert2", client_cert2)
 646         if private_key2:
 647             self.set_network_quoted(id, "private_key2", private_key2)
 648         if phase1:
 649             self.set_network_quoted(id, "phase1", phase1)
 650         if phase2:
 651             self.set_network_quoted(id, "phase2", phase2)
 652         if domain_suffix_match:
 653             self.set_network_quoted(id, "domain_suffix_match",
 654                                     domain_suffix_match)
 655         if altsubject_match:
 656             self.set_network_quoted(id, "altsubject_match",
 657                                     altsubject_match)
 658         if subject_match:
 659             self.set_network_quoted(id, "subject_match",
 660                                     subject_match)
 661         if peerkey:
 662             self.set_network(id, "peerkey", "1")
 663         if okc:
 664             self.set_network(id, "proactive_key_caching", "1")
 665         if eapol_flags:
 666             self.set_network(id, "eapol_flags", eapol_flags)
 667         if fragment_size:
 668             self.set_network(id, "fragment_size", fragment_size)
 669         if scan_ssid:
 670             self.set_network(id, "scan_ssid", scan_ssid)
 671         if pac_file:
 672             self.set_network_quoted(id, "pac_file", pac_file)
 673         if ocsp:
 674             self.set_network(id, "ocsp", str(ocsp))
 675         if only_add_network:
 676             return id
 677         if wait_connect:
 678             if eap:
 679                 self.connect_network(id, timeout=20)
 680             else:
 681                 self.connect_network(id)
 682         else:
 683             self.dump_monitor()
 684             self.select_network(id)
 685         return id
 686
 687     def scan(self, type=None, freq=None, no_wait=False):
 688         if type:
 689             cmd = "SCAN TYPE=" + type
 690         else:
 691             cmd = "SCAN"
 692         if freq:
 693             cmd = cmd + " freq=" + freq
 694         if not no_wait:
 695             self.dump_monitor()
 696         if not "OK" in self.request(cmd):
 697             raise Exception("Failed to trigger scan")
 698         if no_wait:
 699             return
 700         ev = self.wait_event(["CTRL-EVENT-SCAN-RESULTS"], 15)
 701         if ev is None:
 702             raise Exception("Scan timed out")
 703
 704     def roam(self, bssid):
 705         self.dump_monitor()
 706         self.request("ROAM " + bssid)
 707         ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
 708         if ev is None:
 709             raise Exception("Roaming with the AP timed out")
 710         self.dump_monitor()
 711
 712     def roam_over_ds(self, bssid):
 713         self.dump_monitor()
 714         self.request("FT_DS " + bssid)
 715         ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=10)
 716         if ev is None:
 717             raise Exception("Roaming with the AP timed out")
 718         self.dump_monitor()
 719
 720     def wps_reg(self, bssid, pin, new_ssid=None, key_mgmt=None, cipher=None,
 721                 new_passphrase=None, no_wait=False):
 722         self.dump_monitor()
 723         if new_ssid:
 724             self.request("WPS_REG " + bssid + " " + pin + " " +
 725                          new_ssid.encode("hex") + " " + key_mgmt + " " +
 726                          cipher + " " + new_passphrase.encode("hex"))
 727             if no_wait:
 728                 return
 729             ev = self.wait_event(["WPS-SUCCESS"], timeout=15)
 730         else:
 731             self.request("WPS_REG " + bssid + " " + pin)
 732             if no_wait:
 733                 return
 734             ev = self.wait_event(["WPS-CRED-RECEIVED"], timeout=15)
 735             if ev is None:
 736                 raise Exception("WPS cred timed out")
 737             ev = self.wait_event(["WPS-FAIL"], timeout=15)
 738         if ev is None:
 739             raise Exception("WPS timed out")
 740         ev = self.wait_event(["CTRL-EVENT-CONNECTED"], timeout=15)
 741         if ev is None:
 742             raise Exception("Association with the AP timed out")
 743
 744     def relog(self):
 745         self.request("RELOG")
 746
 747     def wait_completed(self, timeout=10):
 748         for i in range(0, timeout * 2):
 749             if self.get_status_field("wpa_state") == "COMPLETED":
 750                 return
 751             time.sleep(0.5)
 752         raise Exception("Timeout while waiting for COMPLETED state")
 753
 754     def get_capability(self, field):
 755         res = self.request("GET_CAPABILITY " + field)
 756         if "FAIL" in res:
 757             return None
 758         return res.split(' ')
 759
 760     def get_bss(self, bssid):
 761         res = self.request("BSS " + bssid)
 762         lines = res.splitlines()
 763         vals = dict()
 764         for l in lines:
 765             [name,value] = l.split('=', 1)
 766             vals[name] = value
 767         return vals
 768
 769     def get_pmksa(self, bssid):
 770         res = self.request("PMKSA")
 771         lines = res.splitlines()
 772         for l in lines:
 773             if bssid not in l:
 774                 continue
 775             vals = dict()
 776             [index,aa,pmkid,expiration,opportunistic] = l.split(' ')
 777             vals['index'] = index
 778             vals['pmkid'] = pmkid
 779             vals['expiration'] = expiration
 780             vals['opportunistic'] = opportunistic
 781             return vals
 782         return None