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git.ipfire.org Git - thirdparty/hostap.git/blob - tests/hwsim/test_cfg80211.py
2 # Copyright (c) 2014, Jouni Malinen <j@w1.fi>
4 # This software may be distributed under the terms of the BSD license.
5 # See README for more details.
7 from remotehost
import remote_compatible
9 logger
= logging
.getLogger()
16 from tshark
import run_tshark
18 from wpasupplicant
import WpaSupplicant
20 def nl80211_command(dev
, cmd
, attr
):
21 res
= dev
.request("VENDOR ffffffff {} {}".format(nl80211_cmd
[cmd
],
22 binascii
.hexlify(attr
).decode()))
24 raise Exception("nl80211 command failed")
25 return binascii
.unhexlify(res
)
28 def test_cfg80211_disassociate(dev
, apdev
):
29 """cfg80211 disassociation command"""
30 hapd
= hostapd
.add_ap(apdev
[0], {"ssid": "open"})
31 dev
[0].connect("open", key_mgmt
="NONE", scan_freq
="2412")
32 ev
= hapd
.wait_event(["AP-STA-CONNECTED"], timeout
=5)
34 raise Exception("No connection event received from hostapd")
36 ifindex
= int(dev
[0].get_driver_status_field("ifindex"))
37 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
38 attrs
+= build_nl80211_attr_u16('REASON_CODE', 1)
39 attrs
+= build_nl80211_attr_mac('MAC', apdev
[0]['bssid'])
40 nl80211_command(dev
[0], 'DISASSOCIATE', attrs
)
42 ev
= hapd
.wait_event(["AP-STA-DISCONNECTED"], timeout
=5)
44 raise Exception("No disconnection event received from hostapd")
46 def nl80211_frame(dev
, ifindex
, frame
, freq
=None, duration
=None, offchannel_tx_ok
=False):
47 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
49 attrs
+= build_nl80211_attr_u32('WIPHY_FREQ', freq
)
50 if duration
is not None:
51 attrs
+= build_nl80211_attr_u32('DURATION', duration
)
53 attrs
+= build_nl80211_attr_flag('OFFCHANNEL_TX_OK')
54 attrs
+= build_nl80211_attr('FRAME', frame
)
55 return parse_nl80211_attrs(nl80211_command(dev
, 'FRAME', attrs
))
57 def nl80211_frame_wait_cancel(dev
, ifindex
, cookie
):
58 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
59 attrs
+= build_nl80211_attr('COOKIE', cookie
)
60 return nl80211_command(dev
, 'FRAME_WAIT_CANCEL', attrs
)
62 def nl80211_remain_on_channel(dev
, ifindex
, freq
, duration
):
63 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
64 attrs
+= build_nl80211_attr_u32('WIPHY_FREQ', freq
)
65 attrs
+= build_nl80211_attr_u32('DURATION', duration
)
66 return nl80211_command(dev
, 'REMAIN_ON_CHANNEL', attrs
)
68 def test_cfg80211_tx_frame(dev
, apdev
, params
):
69 """cfg80211 offchannel TX frame command"""
71 dev
[0].p2p_start_go(freq
='2412')
72 go
= WpaSupplicant(dev
[0].group_ifname
)
73 frame
= binascii
.unhexlify("d0000000020000000100" + go
.own_addr().replace(':', '') + "02000000010000000409506f9a090001dd5e506f9a0902020025080401001f0502006414060500585804510b0906000200000000000b1000585804510b0102030405060708090a0b0d1d000200000000000108000000000000000000101100084465766963652041110500585804510bdd190050f204104a0001101012000200011049000600372a000120")
74 ifindex
= int(go
.get_driver_status_field("ifindex"))
75 res
= nl80211_frame(go
, ifindex
, frame
, freq
=2422, duration
=500,
76 offchannel_tx_ok
=True)
79 # note: Uncommenting this seems to remove the incorrect channel issue
80 #nl80211_frame_wait_cancel(dev[0], ifindex, res[nl80211_attr['COOKIE']])
82 # note: this Action frame ends up getting sent incorrectly on 2422 MHz
83 nl80211_frame(go
, ifindex
, frame
, freq
=2412)
85 # note: also the Deauthenticate frame sent by the GO going down ends up
86 # being transmitted incorrectly on 2422 MHz.
90 out
= run_tshark(os
.path
.join(params
['logdir'], "hwsim0.pcapng"),
91 "wlan.fc.type_subtype == 13", ["radiotap.channel.freq"])
93 freq
= out
.splitlines()
95 raise Exception("Unexpected number of Action frames (%d)" % len(freq
))
97 raise Exception("First Action frame on unexpected channel: %s MHz" % freq
[0])
99 raise Exception("Second Action frame on unexpected channel: %s MHz" % freq
[1])
102 def test_cfg80211_wep_key_idx_change(dev
, apdev
):
103 """WEP Shared Key authentication and key index change without deauth"""
104 hapd
= hostapd
.add_ap(apdev
[0],
105 {"ssid": "wep-shared-key",
106 "wep_key0": '"hello12345678"',
107 "wep_key1": '"other12345678"',
109 id = dev
[0].connect("wep-shared-key", key_mgmt
="NONE", auth_alg
="SHARED",
110 wep_key0
='"hello12345678"',
111 wep_key1
='"other12345678"',
114 hwsim_utils
.test_connectivity(dev
[0], hapd
)
116 dev
[0].set_network(id, "wep_tx_keyidx", "1")
118 # clear cfg80211 auth state to allow new auth without deauth frame
119 ifindex
= int(dev
[0].get_driver_status_field("ifindex"))
120 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
121 attrs
+= build_nl80211_attr_u16('REASON_CODE', 1)
122 attrs
+= build_nl80211_attr_mac('MAC', apdev
[0]['bssid'])
123 attrs
+= build_nl80211_attr_flag('LOCAL_STATE_CHANGE')
124 nl80211_command(dev
[0], 'DEAUTHENTICATE', attrs
)
125 dev
[0].wait_disconnected(timeout
=5, error
="Local-deauth timed out")
127 # the previous command results in deauth event followed by auto-reconnect
128 dev
[0].wait_connected(timeout
=10, error
="Reassociation timed out")
129 hwsim_utils
.test_connectivity(dev
[0], hapd
)
132 def test_cfg80211_hostapd_ext_sta_remove(dev
, apdev
):
133 """cfg80211 DEL_STATION issued externally to hostapd"""
134 hapd
= hostapd
.add_ap(apdev
[0], {"ssid": "open"})
135 id = dev
[0].connect("open", key_mgmt
="NONE", scan_freq
="2412")
137 ifindex
= int(hapd
.get_driver_status_field("ifindex"))
138 attrs
= build_nl80211_attr_u32('IFINDEX', ifindex
)
139 attrs
+= build_nl80211_attr_u16('REASON_CODE', 1)
140 attrs
+= build_nl80211_attr_u8('MGMT_SUBTYPE', 12)
141 attrs
+= build_nl80211_attr_mac('MAC', dev
[0].own_addr())
142 nl80211_command(hapd
, 'DEL_STATION', attrs
)
144 # Currently, hostapd ignores the NL80211_CMD_DEL_STATION event if
145 # drv->device_ap_sme == 0 (which is the case with mac80211_hwsim), so no
146 # further action happens here. If that event were to be used to remove the
147 # STA entry from hostapd even in device_ap_sme == 0 case, this test case
148 # could be extended to cover additional operations.