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from __future__ import print_function
import netlink.capi as nl
import netlink.genl.capi as genl
import nl80211
import sys
import traceback
class test_class:
def __init__(self):
self.done = 1
def msg_handler(m, a):
try:
e, attr = genl.py_genlmsg_parse(
nl.nlmsg_hdr(m), 0, nl80211.NL80211_ATTR_MAX, None
)
if nl80211.NL80211_ATTR_WIPHY in attr:
thiswiphy = nl.nla_get_u32(attr[nl80211.NL80211_ATTR_WIPHY])
print("phy#%d" % thiswiphy)
if nl80211.NL80211_ATTR_IFNAME in attr:
print(
"\tinterface %s" % nl.nla_get_string(attr[nl80211.NL80211_ATTR_IFNAME])
)
if nl80211.NL80211_ATTR_IFINDEX in attr:
print("\tifindex %d" % nl.nla_get_u32(attr[nl80211.NL80211_ATTR_IFINDEX]))
if nl80211.NL80211_ATTR_WDEV in attr:
print("\twdev 0x%lx" % nl.nla_get_u64(attr[nl80211.NL80211_ATTR_WDEV]))
if nl80211.NL80211_ATTR_MAC in attr:
print(
"\tmac %02x:%02x:%02x:%02x:%02x:%02x"
% tuple(nl.nla_data(attr[nl80211.NL80211_ATTR_MAC]))
)
if nl80211.NL80211_ATTR_SSID in attr:
print("\tssid ", nl.nla_data(attr[nl80211.NL80211_ATTR_SSID]))
if nl80211.NL80211_ATTR_IFTYPE in attr:
iftype = nl.nla_get_u32(attr[nl80211.NL80211_ATTR_IFTYPE])
print("\ttype %s" % nl80211.nl80211_iftype2str[iftype])
if nl80211.NL80211_ATTR_WIPHY_FREQ in attr:
freq = nl.nla_get_u32(attr[nl80211.NL80211_ATTR_WIPHY_FREQ])
sys.stdout.write("\tfreq %d MHz" % freq)
if nl80211.NL80211_ATTR_CHANNEL_WIDTH in attr:
chanw = nl.nla_get_u32(attr[nl80211.NL80211_ATTR_CHANNEL_WIDTH])
sys.stdout.write(", width: %s" % nl80211.nl80211_chan_width2str[chanw])
if nl80211.NL80211_ATTR_CENTER_FREQ1 in attr:
sys.stdout.write(
", center1: %d MHz"
% nl.nla_get_u32(attr[nl80211.NL80211_ATTR_CENTER_FREQ1])
)
if nl80211.NL80211_ATTR_CENTER_FREQ2 in attr:
sys.stdout.write(
", center2: %d MHz"
% nl.nla_get_u32(attr[nl80211.NL80211_ATTR_CENTER_FREQ2])
)
elif nl80211.NL80211_ATTR_WIPHY_CHANNEL_TYPE in attr:
channel_type = nl.nla_get_u32(
attr[nl80211.NL80211_ATTR_WIPHY_CHANNEL_TYPE]
)
sys.stdout.write(" %s" % nl80211.nl80211_channel_type2str(channel_type))
sys.stdout.write("\n")
return nl.NL_SKIP
except Exception:
(t, v, tb) = sys.exc_info()
print(v.message)
traceback.print_tb(tb)
def error_handler(err, a):
a.done = err.error
return nl.NL_STOP
def finish_handler(m, a):
return nl.NL_SKIP
def ack_handler(m, a):
a.done = 0
return nl.NL_STOP
try:
cbd = test_class()
tx_cb = nl.nl_cb_alloc(nl.NL_CB_DEFAULT)
rx_cb = nl.nl_cb_clone(tx_cb)
s = nl.nl_socket_alloc_cb(tx_cb)
nl.py_nl_cb_err(rx_cb, nl.NL_CB_CUSTOM, error_handler, cbd)
nl.py_nl_cb_set(rx_cb, nl.NL_CB_FINISH, nl.NL_CB_CUSTOM, finish_handler, cbd)
nl.py_nl_cb_set(rx_cb, nl.NL_CB_ACK, nl.NL_CB_CUSTOM, ack_handler, cbd)
nl.py_nl_cb_set(rx_cb, nl.NL_CB_VALID, nl.NL_CB_CUSTOM, msg_handler, cbd)
genl.genl_connect(s)
family = genl.genl_ctrl_resolve(s, "nl80211")
m = nl.nlmsg_alloc()
genl.genlmsg_put(m, 0, 0, family, 0, 0, nl80211.NL80211_CMD_GET_INTERFACE, 0)
nl.nla_put_u32(m, nl80211.NL80211_ATTR_IFINDEX, nl.if_nametoindex("wlan0"))
err = nl.nl_send_auto_complete(s, m)
if err < 0:
nl.nlmsg_free(m)
while cbd.done > 0 and not err < 0:
err = nl.nl_recvmsgs(s, rx_cb)
except Exception:
(t, v, tb) = sys.exc_info()
print(v.message)
traceback.print_tb(tb)
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