Forward: Re: iwn0/wlan0 scan WPA2-PSK/AES as WEP on freebsd9
Adrian Chadd
adrian at freebsd.org
Sat Aug 4 07:13:21 UTC 2012
Its misparsing the HT IE somehow.
Adrian
On Aug 3, 2012 9:58 PM, "乔楚" <honestqiao at gmail.com> wrote:
> 2012/8/2 Bernhard Schmidt <bschmidt at freebsd.org>:
> > On Thu, Aug 2, 2012 at 8:52 AM, 乔楚/HonestQiao <honestqiao at gmail.com>
> wrote:
> >> tty1#tcpdump -ni wlan0 -y IEEE802_11_RADIO -s0 -l -v -w pcap.out
> >
> > Thanks, just to clarify, this pcap is made while the AP was configured
> > to do WPA and WPS, right?
> >
> > Did you already try to disable WPS, I'm not sure I've tried with that
> enabled.
> >
> >> tty2#cat /etc/wpa_supplicant.conf
> >> # /etc/wpa_supplicant.conf written by wifimgr(8)
> >>
> >> ctrl_interface=/var/run/wpa_supplicant
> >> ctrl_interface_group=wheel
> >>
> >> network={
> >> ssid="0x0b071500000000000000"
> >> bssid=8c:21:0a:43:ef:d4
> >> key_mgmt=WPA-PSK
> >> proto=RSN
> >> psk="12345678901"
> >> }
> >
> > No luck with
> >
> > network={
> > ssid="OpenBSD"
> > psk="12345678901"
> > }
> >
> > either I guess? According to the pcap there are no trailing 0x00 in the
> SSID.
> >
> > --
> > Bernhard
>
>
> I think the WPS might not be the main reason.
> If AP was enabled QSS, ifconfig wlan0 list scan would include WPS.
>
> Today I went through a number of tests and found the following:
> AP: 802.11bgn mixed / QSS enabled / channel:11 / 20MHz / 130mbps
> X201i/FreebSD9/amd64/iwn0 can connect to AP.
>
> 802.11bgn mixed / QSS enabled / channel:11 / 40MHz / 300mbps
> Or 802.11bgn mixed / QSS enabled / channel:11 / Auto / 300mbps
> X201i/FreebSD9/amd64/iwn0 can't connect to AP.
>
> wpa configure:
> network={
> ssid="OpenBSD"
> #+ any_bssid
> key_mgmt=WPA-PSK
> proto=RSN
> psk="12345678901"
> }
>
>
>
>
> Following are detailed scan information
>
> 802.11bgn mixed / QSS enabled / channel:11 / 20MHz / 130mbps
> % ifconfig wlan0
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> ether 8c:a9:82:5a:41:58
> inet 192.168.1.7 netmask 0xffffff00 broadcast 192.168.1.255
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: IEEE 802.11 Wireless Ethernet OFDM/54Mbps mode 11ng
> status: associated
> ssid OpenBSD channel 11 (2462 MHz 11g ht/20) bssid
> 8c:21:0a:43:ef:d4
> country US authmode WPA2/802.11i privacy ON deftxkey UNDEF
> AES-CCM 2:128-bit txpower 14 bmiss 10 scanvalid 450 bgscan
> bgscanintvl 300 bgscanidle 250 roam:rssi 7 roam:rate 64 protmode
> CTS
> ampdulimit 64k -amsdutx amsdurx shortgi wme roaming MANUAL
> % ifconfig wlan0 list scan | grep -i -E "openbsd|ef:d4"
> 0x0b0013000... 8c:21:0a:43:ef:d4 11 54M -70:-95 100 EPS RSN
> HTCAP MESHCONF ATH WPS
> % ifconfig -v wlan0 list scan | grep -i -E "openbsd|ef:d4"
> 0x0b001300000000000000 8c:21:0a:43:ef:d4 11 54M -70:-95
> 100 EPS SSID<OpenBSD> RATES<B2,B4,B11,B22,12,18,24,36> DSPARMS<11>
> ERP<0x0> RSN<v1 mc:AES-CCMP uc:AES-CCMP km:8021X-PSK>
> XRATES<48,72,96,108> HTCAP<cap 0x18d param 0x3 mcsset[0-15] extcap
> 0x400 txbf 0xde7e606 antenna 0x0> MESHCONF<PATH:UNKNOWN LINK:UNKNOWN
> CONGESTION:UNKNOWN SYNC:UNKNOWN AUTH:UNKNOWN FORM:0x0 CAPS:0x0>
> HTINFO<ctl 11, 0,13,0,0 basicmcs[]> MESHID<0x0b00130000000000000.>
> ATH<0x7fff> WPS<v:1.0 st:C
> uuid-e:00-01-02-03-04-05-06-07-08-09-0a-0b-0c-0d-0e-0f>
>
>
>
>
> 802.11bgn mixed / QSS enabled / channel:11 / 40MHz / 300mbps
> % ifconfig wlan0
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> ether 8c:a9:82:5a:41:58
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
> status: no carrier
> ssid "" channel 11 (2462 MHz 11g)
> country US authmode WPA1+WPA2/802.11i privacy OFF txpower 14 bmiss
> 10
> scanvalid 450 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7
> roam:rate 5 protmode CTS wme roaming MANUAL
> % ifconfig wlan0 list scan | grep -i -E "openbsd|ef:d4"
> 0x0b0713000... 8c:21:0a:43:ef:d4 11 54M -69:-95 100 EPS RSN
> HTCAP MESHCONF ATH WPS
> % ifconfig -v wlan0 list scan | grep -i -E "openbsd|ef:d4"
> 0x0b071300000000000000 8c:21:0a:43:ef:d4 11 54M -69:-95
> 100 EPS SSID<OpenBSD> RATES<B2,B4,B11,B22,12,18,24,36> DSPARMS<11>
> TIM<050400010000> ERP<0x0> RSN<v1 mc:AES-CCMP uc:AES-CCMP
> km:8021X-PSK> XRATES<48,72,96,108> HTCAP<cap 0x118f param 0x3
> mcsset[0-15] extcap 0x400 txbf 0xde7e606 antenna 0x0> HTINFO<ctl 11,
> 7,13,0,0 basicmcs[]> ATH<0x7fff> WPS<v:1.0 st:C>
>
>
>
> 802.11bgn mixed / QSS enabled / channel:11 / Auto / 300mbps
> % ifconfig wlan0
> wlan0: flags=8843<UP,BROADCAST,RUNNING,SIMPLEX,MULTICAST> metric 0 mtu 1500
> ether 8c:a9:82:5a:41:58
> nd6 options=29<PERFORMNUD,IFDISABLED,AUTO_LINKLOCAL>
> media: IEEE 802.11 Wireless Ethernet autoselect (autoselect)
> status: no carrier
> ssid "" channel 13 (2472 MHz 11g)
> country US authmode WPA1+WPA2/802.11i privacy OFF txpower 14 bmiss
> 10
> scanvalid 450 bgscan bgscanintvl 300 bgscanidle 250 roam:rssi 7
> roam:rate 5 protmode CTS wme roaming MANUAL
> [12:46:00]HonestQiao at x201i.pts/1 ~ % ifconfig wlan0 list scan | grep
> -i -E "openbsd|ef:d4"
> 0x0b0713000... 8c:21:0a:43:ef:d4 11 54M -67:-95 100 EPS RSN
> HTCAP MESHCONF ATH WPS
> [12:46:02]HonestQiao at x201i.pts/1 ~ % ifconfig -v wlan0 list scan |
> grep -i -E "openbsd|ef:d4"
> 0x0b071300000000000000 8c:21:0a:43:ef:d4 11 54M -67:-95
> 100 EPS SSID<OpenBSD> RATES<B2,B4,B11,B22,12,18,24,36> DSPARMS<11>
> ERP<0x0> RSN<v1 mc:AES-CCMP uc:AES-CCMP km:8021X-PSK>
> XRATES<48,72,96,108> HTCAP<cap 0x118f param 0x3 mcsset[0-15] extcap
> 0x400 txbf 0xde7e606 antenna 0x0> MESHCONF<PATH:UNKNOWN LINK:UNKNOWN
> CONGESTION:UNKNOWN SYNC:UNKNOWN AUTH:UNKNOWN FORM:0x0 CAPS:0x0>
> HTINFO<ctl 11, 7,13,0,0 basicmcs[]> MESHID<0x0b07130000000000000.>
> ATH<0x7fff> WPS<v:1.0 st:C
> uuid-e:00-01-02-03-04-05-06-07-08-09-0a-0b-0c-0d-0e-0f>
>
> HonestQiao
>
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