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tests: Add initial cfg80211 test

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This adds some helper definitions and functions to allow cfg80211 to be
tested with raw nl80211 messages built in the test scripts. The first
test case shows a case where station disassociates instead of
deauthenticates (which is the wpa_supplicant behavior).

Signed-off-by: Jouni Malinen <j@w1.fi>
This commit is contained in:
Jouni Malinen 2014-03-24 18:29:46 +02:00
parent fdc02e4caf
commit 9308d0a039
2 changed files with 387 additions and 0 deletions
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352
tests/hwsim/nl80211.py Normal file
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# nl80211 definitions
# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import binascii
import struct
nl80211_cmd = {
'GET_WIPHY': 1,
'SET_WIPHY': 2,
'NEW_WIPHY': 3,
'DEL_WIPHY': 4,
'GET_INTERFACE': 5,
'SET_INTERFACE': 6,
'NEW_INTERFACE': 7,
'DEL_INTERFACE': 8,
'GET_KEY': 9,
'SET_KEY': 10,
'NEW_KEY': 11,
'DEL_KEY': 12,
'GET_BEACON': 13,
'SET_BEACON': 14,
'START_AP': 15,
'STOP_AP': 16,
'GET_STATION': 17,
'SET_STATION': 18,
'NEW_STATION': 19,
'DEL_STATION': 20,
'GET_MPATH': 21,
'SET_MPATH': 22,
'NEW_MPATH': 23,
'DEL_MPATH': 24,
'SET_BSS': 25,
'SET_REG': 26,
'REQ_SET_REG': 27,
'GET_MESH_CONFIG': 28,
'SET_MESH_CONFIG': 29,
'SET_MGMT_EXTRA_IE[RESERVED]': 30,
'GET_REG': 31,
'GET_SCAN': 32,
'TRIGGER_SCAN': 33,
'NEW_SCAN_RESULTS': 34,
'SCAN_ABORTED': 35,
'REG_CHANGE': 36,
'AUTHENTICATE': 37,
'ASSOCIATE': 38,
'DEAUTHENTICATE': 39,
'DISASSOCIATE': 40,
'MICHAEL_MIC_FAILURE': 41,
'REG_BEACON_HINT': 42,
'JOIN_IBSS': 43,
'LEAVE_IBSS': 44,
'TESTMODE': 45,
'CONNECT': 46,
'ROAM': 47,
'DISCONNECT': 48,
'SET_WIPHY_NETNS': 49,
'GET_SURVEY': 50,
'NEW_SURVEY_RESULTS': 51,
'SET_PMKSA': 52,
'DEL_PMKSA': 53,
'FLUSH_PMKSA': 54,
'REMAIN_ON_CHANNEL': 55,
'CANCEL_REMAIN_ON_CHANNEL': 56,
'SET_TX_BITRATE_MASK': 57,
'REGISTER_FRAME': 58,
'FRAME': 59,
'FRAME_TX_STATUS': 60,
'SET_POWER_SAVE': 61,
'GET_POWER_SAVE': 62,
'SET_CQM': 63,
'NOTIFY_CQM': 64,
'SET_CHANNEL': 65,
'SET_WDS_PEER': 66,
'FRAME_WAIT_CANCEL': 67,
'JOIN_MESH': 68,
'LEAVE_MESH': 69,
'UNPROT_DEAUTHENTICATE': 70,
'UNPROT_DISASSOCIATE': 71,
'NEW_PEER_CANDIDATE': 72,
'GET_WOWLAN': 73,
'SET_WOWLAN': 74,
'START_SCHED_SCAN': 75,
'STOP_SCHED_SCAN': 76,
'SCHED_SCAN_RESULTS': 77,
'SCHED_SCAN_STOPPED': 78,
'SET_REKEY_OFFLOAD': 79,
'PMKSA_CANDIDATE': 80,
'TDLS_OPER': 81,
'TDLS_MGMT': 82,
'UNEXPECTED_FRAME': 83,
'PROBE_CLIENT': 84,
'REGISTER_BEACONS': 85,
'UNEXPECTED_4ADDR_FRAME': 86,
'SET_NOACK_MAP': 87,
'CH_SWITCH_NOTIFY': 88,
'START_P2P_DEVICE': 89,
'STOP_P2P_DEVICE': 90,
'CONN_FAILED': 91,
'SET_MCAST_RATE': 92,
'SET_MAC_ACL': 93,
'RADAR_DETECT': 94,
'GET_PROTOCOL_FEATURES': 95,
'UPDATE_FT_IES': 96,
'FT_EVENT': 97,
'CRIT_PROTOCOL_START': 98,
'CRIT_PROTOCOL_STOP': 99,
'GET_COALESCE': 100,
'SET_COALESCE': 101,
'CHANNEL_SWITCH': 102,
'VENDOR': 103,
'SET_QOS_MAP': 104,
}
nl80211_attr = {
'WIPHY': 1,
'WIPHY_NAME': 2,
'IFINDEX': 3,
'IFNAME': 4,
'IFTYPE': 5,
'MAC': 6,
'KEY_DATA': 7,
'KEY_IDX': 8,
'KEY_CIPHER': 9,
'KEY_SEQ': 10,
'KEY_DEFAULT': 11,
'BEACON_INTERVAL': 12,
'DTIM_PERIOD': 13,
'BEACON_HEAD': 14,
'BEACON_TAIL': 15,
'STA_AID': 16,
'STA_FLAGS': 17,
'STA_LISTEN_INTERVAL': 18,
'STA_SUPPORTED_RATES': 19,
'STA_VLAN': 20,
'STA_INFO': 21,
'WIPHY_BANDS': 22,
'MNTR_FLAGS': 23,
'MESH_ID': 24,
'STA_PLINK_ACTION': 25,
'MPATH_NEXT_HOP': 26,
'MPATH_INFO': 27,
'BSS_CTS_PROT': 28,
'BSS_SHORT_PREAMBLE': 29,
'BSS_SHORT_SLOT_TIME': 30,
'HT_CAPABILITY': 31,
'SUPPORTED_IFTYPES': 32,
'REG_ALPHA2': 33,
'REG_RULES': 34,
'MESH_CONFIG': 35,
'BSS_BASIC_RATES': 36,
'WIPHY_TXQ_PARAMS': 37,
'WIPHY_FREQ': 38,
'WIPHY_CHANNEL_TYPE': 39,
'KEY_DEFAULT_MGMT': 40,
'MGMT_SUBTYPE': 41,
'IE': 42,
'MAX_NUM_SCAN_SSIDS': 43,
'SCAN_FREQUENCIES': 44,
'SCAN_SSIDS': 45,
'GENERATION': 46,
'BSS': 47,
'REG_INITIATOR': 48,
'REG_TYPE': 49,
'SUPPORTED_COMMANDS': 50,
'FRAME': 51,
'SSID': 52,
'AUTH_TYPE': 53,
'REASON_CODE': 54,
'KEY_TYPE': 55,
'MAX_SCAN_IE_LEN': 56,
'CIPHER_SUITES': 57,
'FREQ_BEFORE': 58,
'FREQ_AFTER': 59,
'FREQ_FIXED': 60,
'WIPHY_RETRY_SHORT': 61,
'WIPHY_RETRY_LONG': 62,
'WIPHY_FRAG_THRESHOLD': 63,
'WIPHY_RTS_THRESHOLD': 64,
'TIMED_OUT': 65,
'USE_MFP': 66,
'STA_FLAGS2': 67,
'CONTROL_PORT': 68,
'TESTDATA': 69,
'PRIVACY': 70,
'DISCONNECTED_BY_AP': 71,
'STATUS_CODE': 72,
'CIPHER_SUITES_PAIRWISE': 73,
'CIPHER_SUITE_GROUP': 74,
'WPA_VERSIONS': 75,
'AKM_SUITES': 76,
'REQ_IE': 77,
'RESP_IE': 78,
'PREV_BSSID': 79,
'KEY': 80,
'KEYS': 81,
'PID': 82,
'4ADDR': 83,
'SURVEY_INFO': 84,
'PMKID': 85,
'MAX_NUM_PMKIDS': 86,
'DURATION': 87,
'COOKIE': 88,
'WIPHY_COVERAGE_CLASS': 89,
'TX_RATES': 90,
'FRAME_MATCH': 91,
'ACK': 92,
'PS_STATE': 93,
'CQM': 94,
'LOCAL_STATE_CHANGE': 95,
'AP_ISOLATE': 96,
'WIPHY_TX_POWER_SETTING': 97,
'WIPHY_TX_POWER_LEVEL': 98,
'TX_FRAME_TYPES': 99,
'RX_FRAME_TYPES': 100,
'FRAME_TYPE': 101,
'CONTROL_PORT_ETHERTYPE': 102,
'CONTROL_PORT_NO_ENCRYPT': 103,
'SUPPORT_IBSS_RSN': 104,
'WIPHY_ANTENNA_TX': 105,
'WIPHY_ANTENNA_RX': 106,
'MCAST_RATE': 107,
'OFFCHANNEL_TX_OK': 108,
'BSS_HT_OPMODE': 109,
'KEY_DEFAULT_TYPES': 110,
'MAX_REMAIN_ON_CHANNEL_DURATION': 111,
'MESH_SETUP': 112,
'WIPHY_ANTENNA_AVAIL_TX': 113,
'WIPHY_ANTENNA_AVAIL_RX': 114,
'SUPPORT_MESH_AUTH': 115,
'STA_PLINK_STATE': 116,
'WOWLAN_TRIGGERS': 117,
'WOWLAN_TRIGGERS_SUPPORTED': 118,
'SCHED_SCAN_INTERVAL': 119,
'INTERFACE_COMBINATIONS': 120,
'SOFTWARE_IFTYPES': 121,
'REKEY_DATA': 122,
'MAX_NUM_SCHED_SCAN_SSIDS': 123,
'MAX_SCHED_SCAN_IE_LEN': 124,
'SCAN_SUPP_RATES': 125,
'HIDDEN_SSID': 126,
'IE_PROBE_RESP': 127,
'IE_ASSOC_RESP': 128,
'STA_WME': 129,
'SUPPORT_AP_UAPSD': 130,
'ROAM_SUPPORT': 131,
'SCHED_SCAN_MATCH': 132,
'MAX_MATCH_SETS': 133,
'PMKSA_CANDIDATE': 134,
'TX_NO_CCK_RATE': 135,
'TDLS_ACTION': 136,
'TDLS_DIALOG_TOKEN': 137,
'TDLS_OPERATION': 138,
'TDLS_SUPPORT': 139,
'TDLS_EXTERNAL_SETUP': 140,
'DEVICE_AP_SME': 141,
'DONT_WAIT_FOR_ACK': 142,
'FEATURE_FLAGS': 143,
'PROBE_RESP_OFFLOAD': 144,
'PROBE_RESP': 145,
'DFS_REGION': 146,
'DISABLE_HT': 147,
'HT_CAPABILITY_MASK': 148,
'NOACK_MAP': 149,
'INACTIVITY_TIMEOUT': 150,
'RX_SIGNAL_DBM': 151,
'BG_SCAN_PERIOD': 152,
'WDEV': 153,
'USER_REG_HINT_TYPE': 154,
'CONN_FAILED_REASON': 155,
'SAE_DATA': 156,
'VHT_CAPABILITY': 157,
'SCAN_FLAGS': 158,
'CHANNEL_WIDTH': 159,
'CENTER_FREQ1': 160,
'CENTER_FREQ2': 161,
'P2P_CTWINDOW': 162,
'P2P_OPPPS': 163,
'LOCAL_MESH_POWER_MODE': 164,
'ACL_POLICY': 165,
'MAC_ADDRS': 166,
'MAC_ACL_MAX': 167,
'RADAR_EVENT': 168,
'EXT_CAPA': 169,
'EXT_CAPA_MASK': 170,
'STA_CAPABILITY': 171,
'STA_EXT_CAPABILITY': 172,
'PROTOCOL_FEATURES': 173,
'SPLIT_WIPHY_DUMP': 174,
'DISABLE_VHT': 175,
'VHT_CAPABILITY_MASK': 176,
'MDID': 177,
'IE_RIC': 178,
'CRIT_PROT_ID': 179,
'MAX_CRIT_PROT_DURATION': 180,
'PEER_AID': 181,
'COALESCE_RULE': 182,
'CH_SWITCH_COUNT': 183,
'CH_SWITCH_BLOCK_TX': 184,
'CSA_IES': 185,
'CSA_C_OFF_BEACON': 186,
'CSA_C_OFF_PRESP': 187,
'RXMGMT_FLAGS': 188,
'STA_SUPPORTED_CHANNELS': 189,
'STA_SUPPORTED_OPER_CLASSES': 190,
'HANDLE_DFS': 191,
'SUPPORT_5_MHZ': 192,
'SUPPORT_10_MHZ': 193,
'OPMODE_NOTIF': 194,
'VENDOR_ID': 195,
'VENDOR_SUBCMD': 196,
'VENDOR_DATA': 197,
'VENDOR_EVENTS': 198,
'QOS_MAP': 199,
'MAC_HINT': 200,
'WIPHY_FREQ_HINT': 201,
'MAX_AP_ASSOC_STA': 202,
}
def build_nl80211_attr(id, val):
return struct.pack("@HH", 4 + len(val), nl80211_attr[id]) + val
def build_nl80211_attr_u32(id, val):
return build_nl80211_attr(id, struct.pack("@I", val))
def build_nl80211_attr_u16(id, val):
return build_nl80211_attr(id, struct.pack("@HH", val, 0))
def build_nl80211_attr_flag(id):
return build_nl80211_attr(id, '')
def build_nl80211_attr_mac(id, val):
addr = struct.unpack('6B', binascii.unhexlify(val.replace(':','')))
t = addr + (0, 0)
aval = struct.pack('<6BBB', *t)
return build_nl80211_attr(id, aval)
def parse_nl80211_attrs(msg):
attrs = {}
while len(msg) >= 4:
alen,attr = struct.unpack("@HH", msg[0:4])
if alen < 4:
raise Exception("Too short nl80211 attribute")
alen -= 4;
msg = msg[4:]
if alen > len(msg):
raise Exception("nl80211 attribute underflow")
attrs[attr] = msg[0:alen]
msg = msg[alen:]
return attrs

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tests/hwsim/test_cfg80211.py Normal file
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# cfg80211 test cases
# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
#
# This software may be distributed under the terms of the BSD license.
# See README for more details.
import binascii
import hostapd
from nl80211 import *
def nl80211_command(dev, cmd, attr):
res = dev.request("VENDOR ffffffff {} {}".format(nl80211_cmd[cmd],
binascii.hexlify(attr)))
if "FAIL" in res:
raise Exception("nl80211 command failed")
return binascii.unhexlify(res)
def test_cfg80211_disassociate(dev, apdev):
"""cfg80211 disassociation command"""
hapd = hostapd.add_ap(apdev[0]['ifname'], { "ssid": "open" })
dev[0].connect("open", key_mgmt="NONE", scan_freq="2412")
ev = hapd.wait_event([ "AP-STA-CONNECTED" ], timeout=5)
if ev is None:
raise Exception("No connection event received from hostapd")
ifindex = int(dev[0].get_driver_status_field("ifindex"))
attrs = build_nl80211_attr_u32('IFINDEX', ifindex)
attrs += build_nl80211_attr_u16('REASON_CODE', 1)
attrs += build_nl80211_attr_mac('MAC', apdev[0]['bssid'])
nl80211_command(dev[0], 'DISASSOCIATE', attrs)
ev = hapd.wait_event([ "AP-STA-DISCONNECTED" ], timeout=5)
if ev is None:
raise Exception("No disconnection event received from hostapd")