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