def _readradio(self, conf, rtype='Recon'):
""" read in the rtype radio configuration from conf and return parsed dict """
# don't bother if specified radio is not present
if not conf.get(rtype, 'nic') in wifaces():
raise RuntimeError("Radio %s not present/not wireless" %
conf.get(rtype, 'nic'))
# get nic and set role setting default antenna config
r = {
'nic': conf.get(rtype, 'nic'),
'spoofed': None,
'ant_gain': 0.0,
'ant_loss': 0.0,
'ant_offset': 0.0,
'ant_type': 0.0,
'desc': "unknown",
'scan_start': None,
'role': rtype.lower(),
'antennas': {}
}
# get optional properties
if conf.has_option(rtype, 'spoof'):
r['spoofed'] = conf.get(rtype, 'spoof')
if conf.has_option(rtype, 'desc'): r['desc'] = conf.get(rtype, 'desc')
# process antennas - get the number first
try:
nA = conf.getint(rtype, 'antennas') if conf.has_option(
rtype, 'antennas') else 0
except ValueError:
nA = 0
if nA:
# antennas has been specified, force correct/valid specifications
try:
gain = map(float, conf.get(rtype, 'antenna_gain').split(','))
if len(gain) != nA: raise RuntimeError('gain')
atype = conf.get(rtype, 'antenna_type').split(',')
if len(atype) != nA: raise RuntimeError('type')
loss = map(float, conf.get(rtype, 'antenna_loss').split(','))
if len(loss) != nA: raise RuntimeError('loss')
rs = conf.get(rtype, 'antenna_xyz').split(',')
xyz = []
for t in rs:
xyz.append(tuple(map(int, t.split(':'))))
if len(xyz) != nA: raise RuntimeError('xyz')
except ConfigParser.NoOptionError as e:
logging.warn("Antenna %s not specified" % e)
#raise DySKTConfException("%s" % e)
except ValueError as e:
logging.warn("Invalid type for %s antenna configuration - %s")
except RuntimeError as e:
logging.warn(
"Antenna %s has invalid number of specifications" % e)
else:
r['antennas']['num'] = nA
r['antennas']['gain'] = gain
r['antennas']['type'] = atype
r['antennas']['loss'] = loss
r['antennas']['xyz'] = xyz
else:
# none, set all empty
r['antennas']['num'] = 0
r['antennas']['gain'] = []
r['antennas']['type'] = []
r['antennas']['loss'] = []
r['antennas']['xyz'] = []
# get scan pattern
r['dwell'] = conf.getfloat(rtype, 'dwell')
if r['dwell'] <= 0: raise ValueError("dwell must be > 0")
r['scan'] = parsechlist(conf.get(rtype, 'scan'), 'scan')
r['pass'] = parsechlist(conf.get(rtype, 'pass'), 'pass')
if conf.has_option(rtype, 'scan_start'):
try:
scanspec = conf.get(rtype, 'scan_start')
if ':' in scanspec:
(ch, chw) = scanspec.split(':')
else:
ch = scanspec
chw = None
ch = int(ch) if ch else r['scan'][0][0]
if not chw in iw.IW_CHWS: chw = r['scan'][0][1]
r['scan_start'] = (ch,
chw) if (ch,
chw) in r['scan'] else r['scan'][0]
except ValueError:
# use default
r['scan_start'] = r['scan'][0]
else:
r['scan_start'] = r['scan'][0]
return r
def _setup(self, conf):
"""
1) sets radio properties as specified in conf
2) prepares specified nic for monitoring and binds it
3) creates a scan list and compile statistics
"""
# if the nic specified in conf is present, set it
if conf['nic'] not in iwt.wifaces():
raise RuntimeError("%s:iwtools.wifaces:not found" % conf['role'])
self._nic = conf['nic']
self._role = conf['role']
# get the phy and associated interfaces
try:
(self._phy, ifaces) = iw.dev(self._nic)
self._mac = ifaces[0]['addr']
except (KeyError, IndexError):
raise RuntimeError("%s:iw.dev:error getting interfaces" %
self._role)
except iw.IWException as e:
raise RuntimeError("%s:iw.dev:failed to get phy <%s>" %
(self._role, e))
# get properties (the below will return None rather than throw exception)
self._chs = iw.chget(self._phy)
self._std = iwt.iwconfig(self._nic, 'Standards')
self._txpwr = iwt.iwconfig(self._nic, 'Tx-Power')
self._driver = iwt.getdriver(self._nic)
self._chipset = iwt.getchipset(self._driver)
# spoof the mac address ??
if conf['spoofed']:
mac = None if conf['spoofed'].lower(
) == 'random' else conf['spoofed']
try:
iwt.ifconfig(self._nic, 'down')
self._spoofed = iwt.sethwaddr(self._nic, mac)
except iwt.IWToolsException as e:
raise RuntimeError("%s:iwtools.sethwaddr:%s" % (self._role, e))
# delete all associated interfaces - we want full control
for iface in ifaces:
iw.devdel(iface['nic'])
# determine virtual interface name
ns = []
for wiface in iwt.wifaces():
cs = wiface.split('dyskt')
try:
if len(cs) > 1: ns.append(int(cs[1]))
except ValueError:
pass
n = 0 if not 0 in ns else max(ns) + 1
self._vnic = "dyskt%d" % n
# sniffing interface
try:
iw.phyadd(self._phy, self._vnic, 'monitor') # create a monitor,
iwt.ifconfig(self._vnic, 'up') # and turn it on
except iw.IWException as e:
# never added virtual nic, restore nic
errMsg = "%s:iw.phyadd:%s" % (self._role, e)
try:
iwt.ifconfig(self._nic, 'up')
except iwt.IWToolsException:
errMsg += " Failed to restore %s" % self._nic
raise RuntimeError(errMsg)
except iwt.IWToolsException as e:
# failed to 'raise' virtual nic, remove vnic and add nic
errMsg = "%s:iwtools.ifconfig:%s" % (self._role, e)
try:
iw.phyadd(self._phy, self._nic, 'managed')
iw.devdel(self._vnic)
iwt.ifconfig(self._nic, 'up')
except (iw.IWException, iwt.IWToolsException):
errMsg += " Failed to restore %s" % self._nic
raise RuntimeError(errMsg)
# wrap remaining in a try block, we must attempt to restore card and
# release the socket after any failures ATT
self._s = None
try:
# bind socket w/ a timeout of 5 just in case there is no wireless traffic
self._s = socket.socket(socket.AF_PACKET, socket.SOCK_RAW,
socket.htons(0x0003))
self._s.settimeout(5)
self._s.bind((self._vnic, 0x0003))
uptime = time.time()
# read in antenna details and radio description
if conf['antennas']['num'] > 0:
self._antenna['num'] = conf['antennas']['num']
self._antenna['type'] = conf['antennas']['type']
self._antenna['gain'] = conf['antennas']['gain']
self._antenna['loss'] = conf['antennas']['loss']
self._antenna['x'] = [v[0] for v in conf['antennas']['xyz']]
self._antenna['y'] = [v[1] for v in conf['antennas']['xyz']]
self._antenna['z'] = [v[2] for v in conf['antennas']['xyz']]
self._desc = conf['desc']
# compile initial scan pattern from config
scan = [
t for t in conf['scan']
if str(t[0]) in self._chs and not t in conf['pass']
]
# sum hop times with side effect of removing any invalid channel tuples
# i.e. Ch 14, Width HT40+ and channels the card cannot tune to
i = 0
hop = 0
while scan:
try:
t = time.time()
iw.chset(self._vnic, str(scan[i][0]), scan[i][1])
hop += (time.time() - t)
i += 1
except iw.IWException as e:
# if invalid argument, drop the channel otherwise reraise error
if iw.ecode(str(e)) == iw.IW_INVALIDARG:
del scan[i]
else:
raise
except IndexError:
# all channels checked
break
if not scan: raise ValueError("Empty scan pattern")
# calculate avg hop time, and interval time
# NOTE: these are not currently used but may be useful later
hop /= len(scan)
interval = len(scan) * conf['dwell'] + len(scan) * hop
# create list of dwell times
ds = [conf['dwell']] * len(scan)
# get start ch & set the initial channel
try:
ch_i = scan.index(conf['scan_start'])
except ValueError:
ch_i = 0
iw.chset(self._vnic, str(scan[ch_i][0]), scan[ch_i][1])
# initialize tuner thread
self._qT = Queue()
self._tuner = Tuner(self._qT, self._conn, self._vnic, scan, ds,
ch_i, conf['paused'])
# notify RTO we are good
self._icomms.put((self._vnic, uptime, '!UP!', self.radio))
except socket.error as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy, self._nic)
iwt.ifconfig(self._nic, 'up')
except (iw.IWException, iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:Raw Socket:%s" % (self._role, e))
except iw.IWException as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy, self._nic)
iwt.ifconfig(self._nic, 'up')
except (iw.IWException, iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:iw.chset:Failed to set channel: %s" %
(self._role, e))
except (ValueError, TypeError) as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy, self._nic)
iwt.ifconfig(self._nic, 'up')
except (iw.IWException, iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:config:%s" % (self._role, e))
except Exception as e:
# blanket exception
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy, self._nic)
iwt.ifconfig(self._nic, 'up')
except (iw.IWException, iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:Unknown:%s" % (self._role, e))
def _setup(self,conf):
"""
1) sets radio properties as specified in conf
2) prepares specified nic for monitoring and binds it
3) creates a scan list and compile statistics
"""
# if the nic specified in conf is present, set it
if conf['nic'] not in iwt.wifaces():
raise RuntimeError("%s:iwtools.wifaces:not found" % conf['role'])
self._nic = conf['nic']
self._role = conf['role']
# get the phy and associated interfaces
try:
(self._phy,ifaces) = iw.dev(self._nic)
self._mac = ifaces[0]['addr']
except (KeyError, IndexError):
raise RuntimeError("%s:iw.dev:error getting interfaces" % self._role)
except iw.IWException as e:
raise RuntimeError("%s:iw.dev:failed to get phy <%s>" % (self._role,e))
# get properties (the below will return None rather than throw exception)
self._chs = iw.chget(self._phy)
self._std = iwt.iwconfig(self._nic,'Standards')
self._txpwr = iwt.iwconfig(self._nic,'Tx-Power')
self._driver = iwt.getdriver(self._nic)
self._chipset = iwt.getchipset(self._driver)
# spoof the mac address ??
if conf['spoofed']:
mac = None if conf['spoofed'].lower() == 'random' else conf['spoofed']
try:
iwt.ifconfig(self._nic,'down')
self._spoofed = iwt.sethwaddr(self._nic,mac)
except iwt.IWToolsException as e:
raise RuntimeError("%s:iwtools.sethwaddr:%s" % (self._role,e))
# delete all associated interfaces - we want full control
for iface in ifaces: iw.devdel(iface['nic'])
# determine virtual interface name
ns = []
for wiface in iwt.wifaces():
cs = wiface.split('dyskt')
try:
if len(cs) > 1: ns.append(int(cs[1]))
except ValueError:
pass
n = 0 if not 0 in ns else max(ns)+1
self._vnic = "dyskt%d" % n
# sniffing interface
try:
iw.phyadd(self._phy,self._vnic,'monitor') # create a monitor,
iwt.ifconfig(self._vnic,'up') # and turn it on
except iw.IWException as e:
# never added virtual nic, restore nic
errMsg = "%s:iw.phyadd:%s" % (self._role,e)
try:
iwt.ifconfig(self._nic,'up')
except iwt.IWToolsException:
errMsg += " Failed to restore %s" % self._nic
raise RuntimeError(errMsg)
except iwt.IWToolsException as e:
# failed to 'raise' virtual nic, remove vnic and add nic
errMsg = "%s:iwtools.ifconfig:%s" % (self._role,e)
try:
iw.phyadd(self._phy,self._nic,'managed')
iw.devdel(self._vnic)
iwt.ifconfig(self._nic,'up')
except (iw.IWException,iwt.IWToolsException):
errMsg += " Failed to restore %s" % self._nic
raise RuntimeError(errMsg)
# wrap remaining in a try block, we must attempt to restore card and
# release the socket after any failures ATT
self._s = None
try:
# bind socket w/ a timeout of 5 just in case there is no wireless traffic
self._s = socket.socket(socket.AF_PACKET,
socket.SOCK_RAW,
socket.htons(0x0003))
self._s.settimeout(5)
self._s.bind((self._vnic,0x0003))
uptime = time.time()
# read in antenna details and radio description
if conf['antennas']['num'] > 0:
self._antenna['num'] = conf['antennas']['num']
self._antenna['type'] = conf['antennas']['type']
self._antenna['gain'] = conf['antennas']['gain']
self._antenna['loss'] = conf['antennas']['loss']
self._antenna['x'] = [v[0] for v in conf['antennas']['xyz']]
self._antenna['y'] = [v[1] for v in conf['antennas']['xyz']]
self._antenna['z'] = [v[2] for v in conf['antennas']['xyz']]
self._desc = conf['desc']
# compile initial scan pattern from config
scan = [t for t in conf['scan'] if str(t[0]) in self._chs and not t in conf['pass']]
# sum hop times with side effect of removing any invalid channel tuples
# i.e. Ch 14, Width HT40+ and channels the card cannot tune to
i = 0
hop = 0
while scan:
try:
t = time.time()
iw.chset(self._vnic,str(scan[i][0]),scan[i][1])
hop += (time.time() - t)
i += 1
except iw.IWException as e:
# if invalid argument, drop the channel otherwise reraise error
if iw.ecode(str(e)) == iw.IW_INVALIDARG:
del scan[i]
else:
raise
except IndexError:
# all channels checked
break
if not scan: raise ValueError("Empty scan pattern")
# calculate avg hop time, and interval time
# NOTE: these are not currently used but may be useful later
hop /= len(scan)
interval = len(scan) * conf['dwell'] + len(scan) * hop
# create list of dwell times
ds = [conf['dwell']] * len(scan)
# get start ch & set the initial channel
try:
ch_i = scan.index(conf['scan_start'])
except ValueError:
ch_i = 0
iw.chset(self._vnic,str(scan[ch_i][0]),scan[ch_i][1])
# initialize tuner thread
self._qT = Queue()
self._tuner = Tuner(self._qT,self._conn,self._vnic,scan,ds,ch_i,conf['paused'])
# notify RTO we are good
self._icomms.put((self._vnic,uptime,'!UP!',self.radio))
except socket.error as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy,self._nic)
iwt.ifconfig(self._nic,'up')
except (iw.IWException,iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:Raw Socket:%s" % (self._role,e))
except iw.IWException as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy,self._nic)
iwt.ifconfig(self._nic,'up')
except (iw.IWException,iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:iw.chset:Failed to set channel: %s" % (self._role,e))
except (ValueError,TypeError) as e:
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy,self._nic)
iwt.ifconfig(self._nic,'up')
except (iw.IWException,iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:config:%s" % (self._role,e))
except Exception as e:
# blanket exception
try:
iw.devdel(self._vnic)
iw.phyadd(self._phy,self._nic)
iwt.ifconfig(self._nic,'up')
except (iw.IWException,iwt.IWToolsException):
pass
if self._s:
self._s.shutdown(socket.SHUT_RD)
self._s.close()
raise RuntimeError("%s:Unknown:%s" % (self._role,e))
def _readradio(self,conf,rtype='Recon'):
""" read in the rtype radio configuration from conf and return parsed dict """
# don't bother if specified radio is not present
if not conf.get(rtype,'nic') in wifaces():
raise RuntimeError("Radio %s not present/not wireless" % conf.get(rtype,'nic'))
# get nic and set role setting default antenna config
r = {'nic':conf.get(rtype,'nic'),
'spoofed':None,
'ant_gain':0.0,
'ant_loss':0.0,
'ant_offset':0.0,
'ant_type':0.0,
'desc':"unknown",
'scan_start':None,
'role':rtype.lower(),
'antennas':{}}
# get optional properties
if conf.has_option(rtype,'spoof'): r['spoofed'] = conf.get(rtype,'spoof')
if conf.has_option(rtype,'desc'): r['desc'] = conf.get(rtype,'desc')
# process antennas - get the number first
try:
nA = conf.getint(rtype,'antennas') if conf.has_option(rtype,'antennas') else 0
except ValueError:
nA = 0
if nA:
# antennas has been specified, force correct/valid specifications
try:
gain = map(float,conf.get(rtype,'antenna_gain').split(','))
if len(gain) != nA: raise RuntimeError('gain')
atype = conf.get(rtype,'antenna_type').split(',')
if len(atype) != nA: raise RuntimeError('type')
loss = map(float,conf.get(rtype,'antenna_loss').split(','))
if len(loss) != nA: raise RuntimeError('loss')
rs = conf.get(rtype,'antenna_xyz').split(',')
xyz = []
for t in rs: xyz.append(tuple(map(int,t.split(':'))))
if len(xyz) != nA: raise RuntimeError('xyz')
except ConfigParser.NoOptionError as e:
logging.warn("Antenna %s not specified" % e)
#raise DySKTConfException("%s" % e)
except ValueError as e:
logging.warn("Invalid type for %s antenna configuration - %s")
except RuntimeError as e:
logging.warn("Antenna %s has invalid number of specifications" % e)
else:
r['antennas']['num'] = nA
r['antennas']['gain'] = gain
r['antennas']['type'] = atype
r['antennas']['loss'] = loss
r['antennas']['xyz'] = xyz
else:
# none, set all empty
r['antennas']['num'] = 0
r['antennas']['gain'] = []
r['antennas']['type'] = []
r['antennas']['loss'] = []
r['antennas']['xyz'] = []
# get scan pattern
r['dwell'] = conf.getfloat(rtype,'dwell')
if r['dwell'] <= 0: raise ValueError("dwell must be > 0")
r['scan'] = parsechlist(conf.get(rtype,'scan'),'scan')
r['pass'] = parsechlist(conf.get(rtype,'pass'),'pass')
if conf.has_option(rtype,'scan_start'):
try:
scanspec = conf.get(rtype,'scan_start')
if ':' in scanspec:
(ch,chw) = scanspec.split(':')
else:
ch = scanspec
chw = None
ch = int(ch) if ch else r['scan'][0][0]
if not chw in iw.IW_CHWS: chw = r['scan'][0][1]
r['scan_start'] = (ch,chw) if (ch,chw) in r['scan'] else r['scan'][0]
except ValueError:
# use default
r['scan_start'] = r['scan'][0]
else:
r['scan_start'] = r['scan'][0]
return r
