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 freq_to_ch(freq): if freq == 2484: return 14; if freq < 2484: return (freq - 2407) / 5; # FIXME: dot11ChannelStartingFactor (802.11-2007 17.3.8.3.2) if freq < 45000: return freq/5 - 1000; if freq >= 58320 and freq <= 64800: return (freq - 56160) / 2160; return 0; def handle_freq(attr, pol): e, fattr = nl.py_nla_parse_nested(nl80211.NL80211_FREQUENCY_ATTR_MAX, attr, pol) if nl80211.NL80211_FREQUENCY_ATTR_FREQ in fattr: freq = nl.nla_get_u32(fattr[nl80211.NL80211_FREQUENCY_ATTR_FREQ]) sys.stdout.write("\t\tfreq %d MHz [%d]" % (freq, freq_to_ch(freq))) if nl80211.NL80211_FREQUENCY_ATTR_MAX_TX_POWER in fattr and not (nl80211.NL80211_FREQUENCY_ATTR_DISABLED in fattr): sys.stdout.write(" (%.1f dBm)" % (0.01 * nl.nla_get_u32(fattr[nl80211.NL80211_FREQUENCY_ATTR_MAX_TX_POWER]))) if nl80211.NL80211_FREQUENCY_ATTR_DISABLED in fattr: sys.stdout.write(" (disabled)") sys.stdout.write("\n") def handle_band(attr, fpol): e, battr = nl.py_nla_parse_nested(nl80211.NL80211_BAND_ATTR_MAX, attr, None) print("\tband %d:" % nl.nla_type(attr)) if nl80211.NL80211_BAND_ATTR_FREQS in battr: for fattr in nl.nla_get_nested(battr[nl80211.NL80211_BAND_ATTR_FREQS]): handle_freq(fattr, fpol) def cipher_name(suite): suite_val = '%02x%02x%02x%02x' % tuple(reversed(suite)) if suite_val == '000fac01': return "WEP40 (00-0f-ac:1)" elif suite_val == '000fac05': return "WEP104 (00-0f-ac:5)" elif suite_val == '000fac02': return "TKIP (00-0f-ac:2)" elif suite_val == '000fac04': return "CCMP (00-0f-ac:4)" elif suite_val == '000fac06': return "CMAC (00-0f-ac:6)" elif suite_val == '000fac08': return "GCMP (00-0f-ac:8)" elif suite_val == '00147201': return "WPI-SMS4 (00-14-72:1)" else: return suite_val 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_NAME in attr: print('wiphy %s' % nl.nla_get_string(attr[nl80211.NL80211_ATTR_WIPHY_NAME])) if nl80211.NL80211_ATTR_WIPHY_BANDS in attr: fpol = nl.nla_policy_array(nl80211.NL80211_FREQUENCY_ATTR_MAX + 1) fpol[nl80211.NL80211_FREQUENCY_ATTR_FREQ].type = nl.NLA_U32 fpol[nl80211.NL80211_FREQUENCY_ATTR_DISABLED].type = nl.NLA_FLAG fpol[nl80211.NL80211_FREQUENCY_ATTR_PASSIVE_SCAN].type = nl.NLA_FLAG fpol[nl80211.NL80211_FREQUENCY_ATTR_NO_IBSS].type = nl.NLA_FLAG fpol[nl80211.NL80211_FREQUENCY_ATTR_RADAR].type = nl.NLA_FLAG fpol[nl80211.NL80211_FREQUENCY_ATTR_MAX_TX_POWER].type = nl.NLA_U32 nattrs = nl.nla_get_nested(attr[nl80211.NL80211_ATTR_WIPHY_BANDS]) for nattr in nattrs: handle_band(nattr, fpol) if nl80211.NL80211_ATTR_CIPHER_SUITES in attr: ciphers = nl.nla_data(attr[nl80211.NL80211_ATTR_CIPHER_SUITES]) num = len(ciphers) / 4 if num > 0: print("\tSupported Ciphers:"); for i in range(0, num, 4): print("\t\t* %s" % cipher_name(ciphers[i:i+4])) if nl80211.NL80211_ATTR_SUPPORTED_IFTYPES in attr: print("\tSupported interface modes:") ifattr = nl.nla_get_nested(attr[nl80211.NL80211_ATTR_SUPPORTED_IFTYPES]) for nl_mode in ifattr: print("\t\t* %s" % nl80211.nl80211_iftype2str[nl.nla_type(nl_mode)]) if nl80211.NL80211_ATTR_SOFTWARE_IFTYPES in attr: print("\tsoftware interface modes (can always be added):") ifattr = nl.nla_get_nested(attr[nl80211.NL80211_ATTR_SOFTWARE_IFTYPES]) for nl_mode in ifattr: print("\t\t* %s" % nl80211.nl80211_iftype2str[nl.nla_type(nl_mode)]) return nl.NL_SKIP except Exception as e: (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_WIPHY, 0) nl.nla_put_u32(m, nl80211.NL80211_ATTR_WIPHY, 7) err = nl.nl_send_auto_complete(s, m); if err < 0: nl.nlmsg_free(msg) while cbd.done > 0 and not err < 0: err = nl.nl_recvmsgs(s, rx_cb) except Exception as e: (t, v, tb) = sys.exc_info() print v.message traceback.print_tb(tb)