Re: wpa_supplicant and WEP....

Tai-hwa Liang wrote:
> On Fri, 30 Sep 2005, Eric Schuele wrote:
> 
>> Hello,
>>

<snip>

>>
>> Kernel Config: (are wlan_* necessary?)
> 
> 
>   If you are using WEP only, wlan + wlan_wep should be enough.

Ok... well its a long story, so I'll spare you. But, I had never known 
they even existed till I stumbled across someone elses post saying they 
were necessary.  Thanks for confirming they are needed.

I got the rest of my problems fixed by another post.

Thanks for the response.

(p.s.  for some reason I could not CC you!?!)
> 
>> # Wireless LAN support
>> device        wlan        # 802.11 support
>> device        wlan_wep    # WLAN WEP kernel module
>> device        wlan_ccmp    # AES-CCMP crypto support
>> device        wlan_tkip    # TKIP and Michael cypto support for
>>
>> # Wirelass NIC cards
>> device        ath        # Atheros support
>> device        ath_hal        # Atheros HAL
>> device        ath_rate_sample # SampleRate Rate Control
> 
> 
>   I didn't statically compile these in kernel; however, there should
> be no difference between dynamically loaded and statically compiled driver.
> 
>> fangorn# wpa_supplicant -i ath0 -c /etc/wpa_supplicant.conf -d &
>> [1] 1057
>> fangorn# Initializing interface 'ath0' conf '/etc/wpa_supplicant.conf' 
>> driver 'default'
>> Configuration file '/etc/wpa_supplicant.conf' -> 
>> '/etc/wpa_supplicant.conf'
>> Reading configuration file '/etc/wpa_supplicant.conf'
>> ctrl_interface='/var/run/wpa_supplicant'
>> ctrl_interface_group=0 (from group name 'wheel')
>> Priority group 0
>>   id=0 ssid='home'
>>   id=1 ssid='office-g'
>>   id=2 ssid='dragnfly'
>> Initializing interface (2) 'ath0'
>> Own MAC address: 00:0e:9b:53:31:9d
>> wpa_driver_bsd_set_wpa: enabled=1
>> wpa_driver_bsd_set_wpa_internal: wpa=3 privacy=1
>> wpa_driver_bsd_del_key: keyidx=0
>> wpa_driver_bsd_del_key: keyidx=1
>> wpa_driver_bsd_del_key: keyidx=2
>> wpa_driver_bsd_del_key: keyidx=3
>> wpa_driver_bsd_set_countermeasures: enabled=0
>> wpa_driver_bsd_set_drop_unencrypted: enabled=1
>> Setting scan request: 0 sec 100000 usec
>> Starting AP scan (specific SSID)
>> Scan SSID - hexdump_ascii(len=17):
>>     77 4c 41 4e 5f 57 45 50 5f 4b 78 36 4c 30 34 6f   home
>>     32                                                2
>> Received 0 bytes of scan results (3 BSSes)
>> Scan results: 3
>> Selecting BSS from priority group 0
>> 0: 96:0f:a4:ef:3c:4a ssid='AMO' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>> 1: 00:0c:41:0b:fe:c5 ssid='office-a' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>> 2: 00:0f:66:10:d6:da ssid='' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>> No suitable AP found.
>> Setting scan request: 5 sec 0 usec
>> Starting AP scan (specific SSID)
>> Scan SSID - hexdump_ascii(len=10):
>>     6c 61 71 75 69 6e 74 61 2d 67                     office-g
>> Received 0 bytes of scan results (3 BSSes)
>> Scan results: 3
>> Selecting BSS from priority group 0
>> 0: 96:0f:a4:ef:3c:4a ssid='AMO' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>> 1: 00:0c:41:0b:fe:c5 ssid='office-a' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>> 2: 00:0f:66:10:d6:da ssid='office-g' wpa_ie_len=0 rsn_ie_len=0
>>   skip - no WPA/RSN IE
>>   selected non-WPA AP 00:0f:66:10:d6:da ssid='office-g'
>> Trying to associate with 00:0f:66:10:d6:da (SSID='office-g' freq=2437 
>> MHz)
>> Cancelling scan request
>> Automatic auth_alg selection: 0x1
>> No keys have been configured - skip key clearing
>> wpa_driver_bsd_set_key: alg=WEP addr=ff:ff:ff:ff:ff:ff key_idx=0 
>> set_tx=1 seq_len=0 key_len=7
>> wpa_driver_bsd_set_drop_unencrypted: enabled=1
>> wpa_driver_bsd_associate: ssid 'office-g' wpa ie len 0 pairwise 4 
>> group 4 key mgmt 2
>> wpa_driver_bsd_associate: set PRIVACY 1
>> Setting authentication timeout: 5 sec 0 usec
>> Association event - clear replay counter
>> Associated to a new BSS: BSSID=00:0f:66:10:d6:da
>> Associated with 00:0f:66:10:d6:da
>> Cancelling authentication timeout
> 
> 
>   Looks fine to me.
> 
>> fangorn# ifconfig
>> ath0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> mtu 1500
>>    inet 0.0.0.0 netmask 0xff000000 broadcast 255.255.255.255
>>    ether 00:0e:9b:53:31:9d
>>    media: IEEE 802.11 Wireless Ethernet autoselect (DS/1Mbps)
>>    status: associated
>>    ssid office-g channel 6 bssid 00:0f:66:10:d6:da
>>    authmode OPEN privacy ON deftxkey 1 wepkey 1:104-bit txpowmax 54
>>    protmode CTS roaming MANUAL bintval 100
>> lo0: flags=8049<UP,LOOPBACK,RUNNING,MULTICAST> mtu 16384
>>    inet 127.0.0.1 netmask 0xff000000
> 
> 
>   Your station should be associated to the AP at this point. Which implies
> the key configuration written in your wpa_supplicant.conf is correct.
> 
>> fangorn# dhclient ath0
>> DHCPREQUEST on ath0 to 255.255.255.255 port 67
>> DHCPREQUEST on ath0 to 255.255.255.255 port 67
>> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 6
>> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 10
>> DHCPDISCOVER on ath0 to 255.255.255.255 port 67 interval 11
>> ^C
>> fangorn# exit
> 
> 
>   This is weird. Did you try to set ath0 IP address manually and ping some
> other hosts as well?
> 
>   In addition to that, whilst dhclient was acquiring an IP address, was
> there any abnormal behaviour(such like re-associate with the AP) on your
> wpa_supplicant console?
> 
>> uname -a
>> FreeBSD fangorn.nxdomain.org 6.0-BETA5 FreeBSD 6.0-BETA5 #29: Wed Sep 
>> 28 11:47:26 CDT 2005 
>> [email protected]:/usr/obj/usr/src/sys/CUSTOM_6 i386
> 
> 
>   My test was on a 3 days old 7-CURRENT but there shouldn't be too much
> difference in their net80211 stack and wpa_supplicant.
> 
>> What have I done wrong???  Any other info needed can be provided.
> 
> 
>   Does your AP suppose to be your DHCP server? If not, try to manually
> set the ath0 address and your AP's IP address to the same subnet and
> see if you can ping the AP from ath0 after they associate with each other.
> 
>   If you don't have problem to ping your AP, there probably be something
> wrong between your AP and the real DHCP provider.
> 


-- 
Regards,
Eric
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