def main(ifname):
iw = IW()
ip = IPRoute()
ifindex = ip.link_lookup(ifname=ifname)[0]
ip.close()
# CMD_GET_SCAN doesn't require root privileges.
# Can use 'nmcli device wifi' or 'nmcli d w' to trigger a scan which will
# fill the scan results cache for ~30 seconds.
# See also 'iw dev $yourdev scan dump'
msg = nl80211_scan.NL80211_GetScan(ifindex)
# msg['cmd'] = NL80211_NAMES['NL80211_CMD_GET_SCAN']
# msg['attrs'] = [['NL80211_ATTR_IFINDEX', ifindex]]
scan_dump = iw.nlm_request(msg,
msg_type=iw.prid,
msg_flags=NLM_F_REQUEST | NLM_F_DUMP)
for network in scan_dump:
for attr in network['attrs']:
if attr[0] == 'NL80211_ATTR_BSS':
# handy debugging; see everything we captured
for bss_attr in attr[1]['attrs']:
logger.debug("bss attr=%r", bss_attr)
bss = dict(attr[1]['attrs'])
print_bss(bss)
iw.close()
def getifaces():
global ifaces, desc
iw = IW()
for q in iw.get_interfaces_dump():
phyname = 'phy%i' % int(q.get_attr('NL80211_ATTR_WIPHY'))
ifname = q.get_attr('NL80211_ATTR_IFNAME')
mac = q.get_attr('NL80211_ATTR_MAC')
desc.append(
'%s\t%s\t%s\t%s' %
(q.get_attr('NL80211_ATTR_IFINDEX'), phyname, ifname, mac))
i = {
'NL80211_ATTR_WIPHY': int(q.get_attr('NL80211_ATTR_WIPHY')),
'NL80211_ATTR_IFINDEX': q.get_attr('NL80211_ATTR_IFINDEX'),
'NL80211_ATTR_IFNAME': ifname,
'NL80211_ATTR_MAC': mac
}
ifaces[ifname] = i
ifaces[phyname] = i
ifaces[mac] = i
iw.close()
# handy debugging; see everything we captured
for bss_attr in attr[1]['attrs']:
logger.debug("bss attr=%r", bss_attr)
bss = dict(attr[1]['attrs'])
# NOTE: the contents of beacon and probe response frames may or
# may not contain all these fields. Very likely there could be a
# keyerror in the following code. Needs a bit more bulletproofing.
# print like 'iw dev $dev scan dump"
print("BSS {}".format(bss['NL80211_BSS_BSSID']))
print("\tTSF: {0[VALUE]} ({0[TIME]})".format(
bss['NL80211_BSS_TSF']))
print("\tfreq: {}".format(bss['NL80211_BSS_FREQUENCY']))
print("\tcapability: {}".format(
bss['NL80211_BSS_CAPABILITY']['CAPABILITIES']))
print("\tsignal: {0[VALUE]} {0[UNITS]}".format(
bss['NL80211_BSS_SIGNAL_MBM']['SIGNAL_STRENGTH']))
print("\tlast seen: {} ms ago".format(
bss['NL80211_BSS_SEEN_MS_AGO']))
ies = bss['NL80211_BSS_INFORMATION_ELEMENTS']
# Be VERY careful with the SSID! Can contain hostile input.
print("\tSSID: {}".format(ies['SSID'].decode("utf8")))
# TODO more IE decodes
iw.close()
#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
from pyroute2.iwutil import IW
iw = IW()
for q in iw.get_interfaces_dump():
phyname = 'phy%i' % int(q.get_attr('NL80211_ATTR_WIPHY'))
print('%i\t%s\t%s\t%s' % (q.get_attr('NL80211_ATTR_IFINDEX'), phyname,
q.get_attr('NL80211_ATTR_IFNAME'),
q.get_attr('NL80211_ATTR_MAC')))
iw.close()
