702384f77e
The kernel started enforcing attribute lengths, and nl80211.py had been doing it all wrong - the padding must be present, but not part of the length. Fix it to do it the right way. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
357 lines
8.8 KiB
Python
357 lines
8.8 KiB
Python
# nl80211 definitions
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# Copyright (c) 2014, Jouni Malinen <j@w1.fi>
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#
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# This software may be distributed under the terms of the BSD license.
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# See README for more details.
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import binascii
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import struct
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nl80211_cmd = {
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'GET_WIPHY': 1,
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'SET_WIPHY': 2,
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'NEW_WIPHY': 3,
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'DEL_WIPHY': 4,
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'GET_INTERFACE': 5,
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'SET_INTERFACE': 6,
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'NEW_INTERFACE': 7,
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'DEL_INTERFACE': 8,
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'GET_KEY': 9,
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'SET_KEY': 10,
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'NEW_KEY': 11,
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'DEL_KEY': 12,
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'GET_BEACON': 13,
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'SET_BEACON': 14,
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'START_AP': 15,
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'STOP_AP': 16,
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'GET_STATION': 17,
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'SET_STATION': 18,
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'NEW_STATION': 19,
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'DEL_STATION': 20,
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'GET_MPATH': 21,
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'SET_MPATH': 22,
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'NEW_MPATH': 23,
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'DEL_MPATH': 24,
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'SET_BSS': 25,
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'SET_REG': 26,
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'REQ_SET_REG': 27,
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'GET_MESH_CONFIG': 28,
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'SET_MESH_CONFIG': 29,
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'SET_MGMT_EXTRA_IE[RESERVED]': 30,
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'GET_REG': 31,
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'GET_SCAN': 32,
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'TRIGGER_SCAN': 33,
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'NEW_SCAN_RESULTS': 34,
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'SCAN_ABORTED': 35,
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'REG_CHANGE': 36,
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'AUTHENTICATE': 37,
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'ASSOCIATE': 38,
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'DEAUTHENTICATE': 39,
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'DISASSOCIATE': 40,
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'MICHAEL_MIC_FAILURE': 41,
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'REG_BEACON_HINT': 42,
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'JOIN_IBSS': 43,
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'LEAVE_IBSS': 44,
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'TESTMODE': 45,
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'CONNECT': 46,
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'ROAM': 47,
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'DISCONNECT': 48,
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'SET_WIPHY_NETNS': 49,
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'GET_SURVEY': 50,
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'NEW_SURVEY_RESULTS': 51,
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'SET_PMKSA': 52,
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'DEL_PMKSA': 53,
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'FLUSH_PMKSA': 54,
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'REMAIN_ON_CHANNEL': 55,
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'CANCEL_REMAIN_ON_CHANNEL': 56,
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'SET_TX_BITRATE_MASK': 57,
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'REGISTER_FRAME': 58,
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'FRAME': 59,
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'FRAME_TX_STATUS': 60,
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'SET_POWER_SAVE': 61,
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'GET_POWER_SAVE': 62,
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'SET_CQM': 63,
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'NOTIFY_CQM': 64,
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'SET_CHANNEL': 65,
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'SET_WDS_PEER': 66,
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'FRAME_WAIT_CANCEL': 67,
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'JOIN_MESH': 68,
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'LEAVE_MESH': 69,
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'UNPROT_DEAUTHENTICATE': 70,
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'UNPROT_DISASSOCIATE': 71,
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'NEW_PEER_CANDIDATE': 72,
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'GET_WOWLAN': 73,
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'SET_WOWLAN': 74,
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'START_SCHED_SCAN': 75,
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'STOP_SCHED_SCAN': 76,
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'SCHED_SCAN_RESULTS': 77,
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'SCHED_SCAN_STOPPED': 78,
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'SET_REKEY_OFFLOAD': 79,
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'PMKSA_CANDIDATE': 80,
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'TDLS_OPER': 81,
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'TDLS_MGMT': 82,
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'UNEXPECTED_FRAME': 83,
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'PROBE_CLIENT': 84,
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'REGISTER_BEACONS': 85,
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'UNEXPECTED_4ADDR_FRAME': 86,
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'SET_NOACK_MAP': 87,
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'CH_SWITCH_NOTIFY': 88,
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'START_P2P_DEVICE': 89,
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'STOP_P2P_DEVICE': 90,
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'CONN_FAILED': 91,
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'SET_MCAST_RATE': 92,
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'SET_MAC_ACL': 93,
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'RADAR_DETECT': 94,
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'GET_PROTOCOL_FEATURES': 95,
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'UPDATE_FT_IES': 96,
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'FT_EVENT': 97,
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'CRIT_PROTOCOL_START': 98,
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'CRIT_PROTOCOL_STOP': 99,
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'GET_COALESCE': 100,
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'SET_COALESCE': 101,
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'CHANNEL_SWITCH': 102,
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'VENDOR': 103,
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'SET_QOS_MAP': 104,
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}
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nl80211_attr = {
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'WIPHY': 1,
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'WIPHY_NAME': 2,
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'IFINDEX': 3,
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'IFNAME': 4,
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'IFTYPE': 5,
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'MAC': 6,
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'KEY_DATA': 7,
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'KEY_IDX': 8,
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'KEY_CIPHER': 9,
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'KEY_SEQ': 10,
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'KEY_DEFAULT': 11,
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'BEACON_INTERVAL': 12,
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'DTIM_PERIOD': 13,
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'BEACON_HEAD': 14,
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'BEACON_TAIL': 15,
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'STA_AID': 16,
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'STA_FLAGS': 17,
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'STA_LISTEN_INTERVAL': 18,
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'STA_SUPPORTED_RATES': 19,
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'STA_VLAN': 20,
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'STA_INFO': 21,
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'WIPHY_BANDS': 22,
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'MNTR_FLAGS': 23,
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'MESH_ID': 24,
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'STA_PLINK_ACTION': 25,
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'MPATH_NEXT_HOP': 26,
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'MPATH_INFO': 27,
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'BSS_CTS_PROT': 28,
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'BSS_SHORT_PREAMBLE': 29,
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'BSS_SHORT_SLOT_TIME': 30,
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'HT_CAPABILITY': 31,
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'SUPPORTED_IFTYPES': 32,
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'REG_ALPHA2': 33,
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'REG_RULES': 34,
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'MESH_CONFIG': 35,
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'BSS_BASIC_RATES': 36,
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'WIPHY_TXQ_PARAMS': 37,
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'WIPHY_FREQ': 38,
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'WIPHY_CHANNEL_TYPE': 39,
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'KEY_DEFAULT_MGMT': 40,
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'MGMT_SUBTYPE': 41,
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'IE': 42,
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'MAX_NUM_SCAN_SSIDS': 43,
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'SCAN_FREQUENCIES': 44,
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'SCAN_SSIDS': 45,
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'GENERATION': 46,
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'BSS': 47,
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'REG_INITIATOR': 48,
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'REG_TYPE': 49,
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'SUPPORTED_COMMANDS': 50,
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'FRAME': 51,
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'SSID': 52,
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'AUTH_TYPE': 53,
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'REASON_CODE': 54,
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'KEY_TYPE': 55,
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'MAX_SCAN_IE_LEN': 56,
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'CIPHER_SUITES': 57,
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'FREQ_BEFORE': 58,
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'FREQ_AFTER': 59,
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'FREQ_FIXED': 60,
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'WIPHY_RETRY_SHORT': 61,
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'WIPHY_RETRY_LONG': 62,
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'WIPHY_FRAG_THRESHOLD': 63,
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'WIPHY_RTS_THRESHOLD': 64,
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'TIMED_OUT': 65,
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'USE_MFP': 66,
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'STA_FLAGS2': 67,
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'CONTROL_PORT': 68,
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'TESTDATA': 69,
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'PRIVACY': 70,
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'DISCONNECTED_BY_AP': 71,
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'STATUS_CODE': 72,
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'CIPHER_SUITES_PAIRWISE': 73,
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'CIPHER_SUITE_GROUP': 74,
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'WPA_VERSIONS': 75,
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'AKM_SUITES': 76,
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'REQ_IE': 77,
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'RESP_IE': 78,
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'PREV_BSSID': 79,
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'KEY': 80,
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'KEYS': 81,
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'PID': 82,
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'4ADDR': 83,
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'SURVEY_INFO': 84,
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'PMKID': 85,
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'MAX_NUM_PMKIDS': 86,
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'DURATION': 87,
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'COOKIE': 88,
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'WIPHY_COVERAGE_CLASS': 89,
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'TX_RATES': 90,
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'FRAME_MATCH': 91,
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'ACK': 92,
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'PS_STATE': 93,
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'CQM': 94,
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'LOCAL_STATE_CHANGE': 95,
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'AP_ISOLATE': 96,
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'WIPHY_TX_POWER_SETTING': 97,
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'WIPHY_TX_POWER_LEVEL': 98,
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'TX_FRAME_TYPES': 99,
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'RX_FRAME_TYPES': 100,
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'FRAME_TYPE': 101,
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'CONTROL_PORT_ETHERTYPE': 102,
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'CONTROL_PORT_NO_ENCRYPT': 103,
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'SUPPORT_IBSS_RSN': 104,
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'WIPHY_ANTENNA_TX': 105,
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'WIPHY_ANTENNA_RX': 106,
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'MCAST_RATE': 107,
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'OFFCHANNEL_TX_OK': 108,
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'BSS_HT_OPMODE': 109,
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'KEY_DEFAULT_TYPES': 110,
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'MAX_REMAIN_ON_CHANNEL_DURATION': 111,
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'MESH_SETUP': 112,
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'WIPHY_ANTENNA_AVAIL_TX': 113,
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'WIPHY_ANTENNA_AVAIL_RX': 114,
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'SUPPORT_MESH_AUTH': 115,
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'STA_PLINK_STATE': 116,
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'WOWLAN_TRIGGERS': 117,
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'WOWLAN_TRIGGERS_SUPPORTED': 118,
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'SCHED_SCAN_INTERVAL': 119,
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'INTERFACE_COMBINATIONS': 120,
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'SOFTWARE_IFTYPES': 121,
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'REKEY_DATA': 122,
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'MAX_NUM_SCHED_SCAN_SSIDS': 123,
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'MAX_SCHED_SCAN_IE_LEN': 124,
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'SCAN_SUPP_RATES': 125,
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'HIDDEN_SSID': 126,
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'IE_PROBE_RESP': 127,
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'IE_ASSOC_RESP': 128,
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'STA_WME': 129,
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'SUPPORT_AP_UAPSD': 130,
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'ROAM_SUPPORT': 131,
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'SCHED_SCAN_MATCH': 132,
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'MAX_MATCH_SETS': 133,
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'PMKSA_CANDIDATE': 134,
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'TX_NO_CCK_RATE': 135,
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'TDLS_ACTION': 136,
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'TDLS_DIALOG_TOKEN': 137,
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'TDLS_OPERATION': 138,
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'TDLS_SUPPORT': 139,
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'TDLS_EXTERNAL_SETUP': 140,
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'DEVICE_AP_SME': 141,
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'DONT_WAIT_FOR_ACK': 142,
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'FEATURE_FLAGS': 143,
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'PROBE_RESP_OFFLOAD': 144,
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'PROBE_RESP': 145,
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'DFS_REGION': 146,
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'DISABLE_HT': 147,
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'HT_CAPABILITY_MASK': 148,
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'NOACK_MAP': 149,
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'INACTIVITY_TIMEOUT': 150,
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'RX_SIGNAL_DBM': 151,
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'BG_SCAN_PERIOD': 152,
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'WDEV': 153,
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'USER_REG_HINT_TYPE': 154,
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'CONN_FAILED_REASON': 155,
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'SAE_DATA': 156,
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'VHT_CAPABILITY': 157,
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'SCAN_FLAGS': 158,
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'CHANNEL_WIDTH': 159,
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'CENTER_FREQ1': 160,
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'CENTER_FREQ2': 161,
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'P2P_CTWINDOW': 162,
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'P2P_OPPPS': 163,
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'LOCAL_MESH_POWER_MODE': 164,
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'ACL_POLICY': 165,
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'MAC_ADDRS': 166,
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'MAC_ACL_MAX': 167,
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'RADAR_EVENT': 168,
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'EXT_CAPA': 169,
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'EXT_CAPA_MASK': 170,
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'STA_CAPABILITY': 171,
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'STA_EXT_CAPABILITY': 172,
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'PROTOCOL_FEATURES': 173,
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'SPLIT_WIPHY_DUMP': 174,
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'DISABLE_VHT': 175,
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'VHT_CAPABILITY_MASK': 176,
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'MDID': 177,
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'IE_RIC': 178,
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'CRIT_PROT_ID': 179,
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'MAX_CRIT_PROT_DURATION': 180,
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'PEER_AID': 181,
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'COALESCE_RULE': 182,
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'CH_SWITCH_COUNT': 183,
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'CH_SWITCH_BLOCK_TX': 184,
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'CSA_IES': 185,
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'CSA_C_OFF_BEACON': 186,
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'CSA_C_OFF_PRESP': 187,
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'RXMGMT_FLAGS': 188,
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'STA_SUPPORTED_CHANNELS': 189,
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'STA_SUPPORTED_OPER_CLASSES': 190,
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'HANDLE_DFS': 191,
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'SUPPORT_5_MHZ': 192,
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'SUPPORT_10_MHZ': 193,
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'OPMODE_NOTIF': 194,
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'VENDOR_ID': 195,
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'VENDOR_SUBCMD': 196,
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'VENDOR_DATA': 197,
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'VENDOR_EVENTS': 198,
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'QOS_MAP': 199,
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'MAC_HINT': 200,
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'WIPHY_FREQ_HINT': 201,
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'MAX_AP_ASSOC_STA': 202,
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}
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def build_nl80211_attr(id, val):
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attr = struct.pack("@HH", 4 + len(val), nl80211_attr[id]) + val
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if len(attr) % 4 != 0:
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attr += '\0' * (4 - (len(attr) % 4))
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return attr
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def build_nl80211_attr_u32(id, val):
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return build_nl80211_attr(id, struct.pack("@I", val))
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def build_nl80211_attr_u16(id, val):
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return build_nl80211_attr(id, struct.pack("@H", val))
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def build_nl80211_attr_u8(id, val):
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return build_nl80211_attr(id, struct.pack("@B", val))
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def build_nl80211_attr_flag(id):
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return build_nl80211_attr(id, '')
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def build_nl80211_attr_mac(id, val):
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addr = struct.unpack('6B', binascii.unhexlify(val.replace(':','')))
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aval = struct.pack('<6B', *addr)
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return build_nl80211_attr(id, aval)
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def parse_nl80211_attrs(msg):
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attrs = {}
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while len(msg) >= 4:
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alen,attr = struct.unpack("@HH", msg[0:4])
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if alen < 4:
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raise Exception("Too short nl80211 attribute")
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alen -= 4
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msg = msg[4:]
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if alen > len(msg):
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raise Exception("nl80211 attribute underflow")
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attrs[attr] = msg[0:alen]
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msg = msg[alen:]
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return attrs
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