wpa_supplicant receives dissociate event

Paresh Sawant paresh.sawant at gmail.com
Wed May 20 08:04:19 EDT 2009


Hi,

I've built wpa_supplicant on Linux (kernel 2.6.25-14.fc9.i686), with wext
driver, and runing it on netgear wg311T(atheros AR5212). I start the
wpa_supplicant with -i wlan0 and -D wext, but it fails to do the connection
with WPA2-PSK configured AP. wireshark shows me that it reaches till 2/4 of
4-way-hshake. But then it seems to receive dissociate event from the
hardware/driver. I'm passing correct key for PSK auth.

Following is the log message -

/******************debug
log****************************************************

State: ASSOCIATED -> DISCONNECTED
wpa_driver_wext_set_operstate: operstate 0->0 (DORMANT)
WEXT: Operstate: linkmode=-1, operstate=5
EAPOL: External notification - portEnabled=0
EAPOL: SUPP_PAE entering state DISCONNECTED
EAPOL: SUPP_BE entering state INITIALIZE
EAPOL: External notification - portValid=0
EAPOL: External notification - EAP success=0
RX EAPOL from 00:1d:7e:f4:d7:07
RX EAPOL - hexdump(len=121): 02 03 00 75 02 00 8a 00 10 00 00 00 00 00 00 00
00 fd cc 9e 98 1d 47 b3 25 9a 6d 8d fd 3d 71 55 8e e4 ef 5f ea 9a 08 21 b1
be d0 20 55 2d 4a c7 a9 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 16 dd 14 00 0f ac 04 b0 2a ff fe db bc a9 c5 e2 9d 88
ae d1 df 84 ba
Setting authentication timeout: 10 sec 0 usec
IEEE 802.1X RX: version=2 type=3 length=117
  EAPOL-Key type=2
  key_info 0x8a (ver=2 keyidx=0 rsvd=0 Pairwise Ack)
  key_length=16 key_data_length=22
  replay_counter - hexdump(len=8): 00 00 00 00 00 00 00 00
  key_nonce - hexdump(len=32): fd cc 9e 98 1d 47 b3 25 9a 6d 8d fd 3d 71 55
8e e4 ef 5f ea 9a 08 21 b1 be d0 20 55 2d 4a c7 a9
  key_iv - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
  key_rsc - hexdump(len=8): 00 00 00 00 00 00 00 00
  key_id (reserved) - hexdump(len=8): 00 00 00 00 00 00 00 00
  key_mic - hexdump(len=16): 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
WPA: RX EAPOL-Key - hexdump(len=121): 02 03 00 75 02 00 8a 00 10 00 00 00 00
00 00 00 00 fd cc 9e 98 1d 47 b3 25 9a 6d 8d fd 3d 71 55 8e e4 ef 5f ea 9a
08 21 b1 be d0 20 55 2d 4a c7 a9 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 16 dd 14 00 0f ac 04 b0 2a ff fe db bc a9 c5
e2 9d 88 ae d1 df 84 ba
State: DISCONNECTED -> 4WAY_HANDSHAKE
WPA: RX message 1 of 4-Way Handshake from 00:1d:7e:f4:d7:07 (ver=2)
RSN: msg 1/4 key data - hexdump(len=22): dd 14 00 0f ac 04 b0 2a ff fe db bc
a9 c5 e2 9d 88 ae d1 df 84 ba
RSN: PMKID from Authenticator - hexdump(len=16): b0 2a ff fe db bc a9 c5 e2
9d 88 ae d1 df 84 ba
RSN: no matching PMKID found
WPA: Renewed SNonce - hexdump(len=32): d8 f1 69 54 1a e7 9f 46 16 b2 b4 97
00 4b 1f 35 52 1d 9f 87 0a 49 fd df 46 70 4e d7 04 ec d9 bd
WPA: PMK - hexdump(len=32): [REMOVED]
WPA: PTK - hexdump(len=64): [REMOVED]
WPA: WPA IE for msg 2/4 - hexdump(len=22): 30 14 01 00 00 0f ac 02 01 00 00
0f ac 04 01 00 00 0f ac 02 00 00
WPA: Sending EAPOL-Key 2/4
WPA: TX EAPOL-Key - hexdump(len=121): 01 03 00 75 02 01 0a 00 00 00 00 00 00
00 00 00 00 d8 f1 69 54 1a e7 9f 46 16 b2 b4 97 00 4b 1f 35 52 1d 9f 87 0a
49 fd df 46 70 4e d7 04 ec d9 bd 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 63 b4 56 74 f3 18 fc
f5 14 f4 64 57 d3 4e 2e 84 00 16 30 14 01 00 00 0f ac 02 01 00 00 0f ac 04
01 00 00 0f ac 02 00 00
RTM_NEWLINK: operstate=0 ifi_flags=0x1003 ([UP])
Wireless event: cmd=0x8b15 len=20
Wireless event: new AP: 00:00:00:00:00:00
WPA: 4-Way Handshake failed - pre-shared key may be incorrect
Setting scan request: 0 sec 100000 usec
Added BSSID 00:00:00:00:00:00 into blacklist
CTRL-EVENT-DISCONNECTED - Disconnect event - remove keys
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=1 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=2 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=3 set_tx=0 seq_len=0 key_len=0
wpa_driver_wext_set_key: alg=0 key_idx=0 set_tx=0 seq_len=0 key_len=0
ioctl[SIOCSIWENCODEEXT]: No such file or directory
Driver did not support SIOCSIWENCODEEXT
State: 4WAY_HANDSHAKE -> DISCONNECTED

/***********************************************end************************************************************/


Thanks
- Paresh
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