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9308d0a0 JM |
1 | # cfg80211 test cases |
2 | # Copyright (c) 2014, Jouni Malinen <j@w1.fi> | |
3 | # | |
4 | # This software may be distributed under the terms of the BSD license. | |
5 | # See README for more details. | |
6 | ||
43c5bc94 JM |
7 | import logging |
8 | logger = logging.getLogger() | |
9308d0a0 | 9 | import binascii |
43c5bc94 | 10 | import os |
43c5bc94 | 11 | import time |
9308d0a0 JM |
12 | |
13 | import hostapd | |
41aa4bd7 | 14 | import hwsim_utils |
2e1d7386 | 15 | from tshark import run_tshark |
9308d0a0 JM |
16 | from nl80211 import * |
17 | ||
18 | def nl80211_command(dev, cmd, attr): | |
19 | res = dev.request("VENDOR ffffffff {} {}".format(nl80211_cmd[cmd], | |
20 | binascii.hexlify(attr))) | |
21 | if "FAIL" in res: | |
22 | raise Exception("nl80211 command failed") | |
23 | return binascii.unhexlify(res) | |
24 | ||
25 | def test_cfg80211_disassociate(dev, apdev): | |
26 | """cfg80211 disassociation command""" | |
8b8a1864 | 27 | hapd = hostapd.add_ap(apdev[0], { "ssid": "open" }) |
9308d0a0 JM |
28 | dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") |
29 | ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5) | |
30 | if ev is None: | |
31 | raise Exception("No connection event received from hostapd") | |
32 | ||
33 | ifindex = int(dev[0].get_driver_status_field("ifindex")) | |
34 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
35 | attrs += build_nl80211_attr_u16('REASON_CODE', 1) | |
36 | attrs += build_nl80211_attr_mac('MAC', apdev[0]['bssid']) | |
37 | nl80211_command(dev[0], 'DISASSOCIATE', attrs) | |
38 | ||
39 | ev = hapd.wait_event([ "AP-STA-DISCONNECTED" ], timeout=5) | |
40 | if ev is None: | |
41 | raise Exception("No disconnection event received from hostapd") | |
43c5bc94 JM |
42 | |
43 | def nl80211_frame(dev, ifindex, frame, freq=None, duration=None, offchannel_tx_ok=False): | |
44 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
45 | if freq is not None: | |
46 | attrs += build_nl80211_attr_u32('WIPHY_FREQ', freq) | |
47 | if duration is not None: | |
48 | attrs += build_nl80211_attr_u32('DURATION', duration) | |
49 | if offchannel_tx_ok: | |
50 | attrs += build_nl80211_attr_flag('OFFCHANNEL_TX_OK') | |
51 | attrs += build_nl80211_attr('FRAME', frame) | |
52 | return parse_nl80211_attrs(nl80211_command(dev, 'FRAME', attrs)) | |
53 | ||
54 | def nl80211_frame_wait_cancel(dev, ifindex, cookie): | |
55 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
56 | attrs += build_nl80211_attr('COOKIE', cookie) | |
57 | return nl80211_command(dev, 'FRAME_WAIT_CANCEL', attrs) | |
58 | ||
59 | def nl80211_remain_on_channel(dev, ifindex, freq, duration): | |
60 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
61 | attrs += build_nl80211_attr_u32('WIPHY_FREQ', freq) | |
62 | attrs += build_nl80211_attr_u32('DURATION', duration) | |
63 | return nl80211_command(dev, 'REMAIN_ON_CHANNEL', attrs) | |
64 | ||
65 | def test_cfg80211_tx_frame(dev, apdev, params): | |
66 | """cfg80211 offchannel TX frame command""" | |
67 | ifindex = int(dev[0].get_driver_status_field("ifindex")) | |
68 | ||
69 | frame = binascii.unhexlify("d000000002000000010002000000000002000000010000000409506f9a090001dd5e506f9a0902020025080401001f0502006414060500585804510b0906000200000000000b1000585804510b0102030405060708090a0b0d1d000200000000000108000000000000000000101100084465766963652041110500585804510bdd190050f204104a0001101012000200011049000600372a000120") | |
70 | ||
71 | dev[0].request("P2P_GROUP_ADD freq=2412") | |
72 | res = nl80211_frame(dev[0], ifindex, frame, freq=2422, duration=500, | |
73 | offchannel_tx_ok=True) | |
74 | time.sleep(0.1) | |
75 | ||
76 | # note: Uncommenting this seems to remove the incorrect channel issue | |
77 | #nl80211_frame_wait_cancel(dev[0], ifindex, res[nl80211_attr['COOKIE']]) | |
78 | ||
79 | # note: this Action frame ends up getting sent incorrectly on 2422 MHz | |
80 | nl80211_frame(dev[0], ifindex, frame, freq=2412) | |
81 | time.sleep(1.5) | |
82 | # note: also the Deauthenticate frame sent by the GO going down ends up | |
83 | # being transmitted incorrectly on 2422 MHz. | |
84 | ||
2e1d7386 JB |
85 | out = run_tshark(os.path.join(params['logdir'], "hwsim0.pcapng"), |
86 | "wlan.fc.type_subtype == 13", ["radiotap.channel.freq"]) | |
87 | if out is not None: | |
84512f8c | 88 | freq = out.splitlines() |
43c5bc94 JM |
89 | if len(freq) != 2: |
90 | raise Exception("Unexpected number of Action frames (%d)" % len(freq)) | |
91 | if freq[0] != "2422": | |
92 | raise Exception("First Action frame on unexpected channel: %s MHz" % freq[0]) | |
93 | if freq[1] != "2412": | |
94 | raise Exception("Second Action frame on unexpected channel: %s MHz" % freq[1]) | |
41aa4bd7 JM |
95 | |
96 | def test_cfg80211_wep_key_idx_change(dev, apdev): | |
97 | """WEP Shared Key authentication and key index change without deauth""" | |
8b8a1864 | 98 | hapd = hostapd.add_ap(apdev[0], |
41aa4bd7 JM |
99 | { "ssid": "wep-shared-key", |
100 | "wep_key0": '"hello12345678"', | |
101 | "wep_key1": '"other12345678"', | |
102 | "auth_algs": "2" }) | |
103 | id = dev[0].connect("wep-shared-key", key_mgmt="NONE", auth_alg="SHARED", | |
104 | wep_key0='"hello12345678"', | |
105 | wep_key1='"other12345678"', | |
106 | wep_tx_keyidx="0", | |
107 | scan_freq="2412") | |
108 | hwsim_utils.test_connectivity(dev[0], hapd) | |
109 | ||
110 | dev[0].set_network(id, "wep_tx_keyidx", "1") | |
111 | ||
112 | # clear cfg80211 auth state to allow new auth without deauth frame | |
113 | ifindex = int(dev[0].get_driver_status_field("ifindex")) | |
114 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
115 | attrs += build_nl80211_attr_u16('REASON_CODE', 1) | |
116 | attrs += build_nl80211_attr_mac('MAC', apdev[0]['bssid']) | |
117 | attrs += build_nl80211_attr_flag('LOCAL_STATE_CHANGE') | |
118 | nl80211_command(dev[0], 'DEAUTHENTICATE', attrs) | |
5f35a5e2 | 119 | dev[0].wait_disconnected(timeout=5, error="Local-deauth timed out") |
41aa4bd7 JM |
120 | |
121 | # the previous command results in deauth event followed by auto-reconnect | |
5f35a5e2 | 122 | dev[0].wait_connected(timeout=10, error="Reassociation timed out") |
41aa4bd7 | 123 | hwsim_utils.test_connectivity(dev[0], hapd) |
2c528e96 JM |
124 | |
125 | def test_cfg80211_hostapd_ext_sta_remove(dev, apdev): | |
126 | """cfg80211 DEL_STATION issued externally to hostapd""" | |
8b8a1864 | 127 | hapd = hostapd.add_ap(apdev[0], |
2c528e96 JM |
128 | { "ssid": "open" }) |
129 | id = dev[0].connect("open", key_mgmt="NONE", scan_freq="2412") | |
130 | ||
131 | ifindex = int(hapd.get_driver_status_field("ifindex")) | |
132 | attrs = build_nl80211_attr_u32('IFINDEX', ifindex) | |
133 | attrs += build_nl80211_attr_u16('REASON_CODE', 1) | |
134 | attrs += build_nl80211_attr_u8('MGMT_SUBTYPE', 12) | |
135 | attrs += build_nl80211_attr_mac('MAC', dev[0].own_addr()) | |
136 | nl80211_command(hapd, 'DEL_STATION', attrs) | |
137 | ||
138 | # Currently, hostapd ignores the NL80211_CMD_DEL_STATION event if | |
139 | # drv->device_ap_sme == 0 (which is the case with mac80211_hwsim), so no | |
140 | # further action happens here. If that event were to be used to remove the | |
141 | # STA entry from hostapd even in device_ap_sme == 0 case, this test case | |
142 | # could be extended to cover additional operations. |