Package: wpagui
Version: 0.7.3-3
Severity: normal
File: /usr/sbin/wpa_gui
When using wpa_gui to perform a scan for local WAPs, the signal
strengths in the list of results will be diferent depending on what
wpa-driver you've configured for that interface.
In my case, wpa_supplicant can talk to the iwl3945 driver using
wpa-driver 'wext' or the newer 'nl80211'. If you configure wext, then the
results displayed by wpa_gui will have meaningful signal strengths
displayed. If, however, you configure nl80211, then wpa_gui will display
all signal strengths as zero.
I did a little experiment using wpa_cli to look at the scan results.
Here's a sample list of results using wpa-driver wext:
----
bssid / frequency / signal level / flags / ssid
94:44:52:5a:11:4c 2412 173 [WPA-PSK-CCMP][WPA2-PSK-CCMP][WPS][ESS]
Belkin.314C
00:1b:2f:c4:c9:11 2462 219 [WEP][ESS] ewhac-water
00:14:95:3e:f2:42 2437 190 [WEP][ESS] 2WIRE303
00:1b:2f:c4:c9:10 2462 219 [ESS] ewhac-air
00:1f:27:74:74:00 2462 172 [ESS] local-wifi
00:1d:7e:57:49:e9 2437 177 [WEP][ESS] linksys_SES_42522
00:16:b6:ce:b1:9f 2437 175 [WEP][ESS] jvelez
----
And here's a list of results using wpa-driver nl80211:
----
bssid / frequency / signal level / flags / ssid
00:1b:2f:c4:c9:10 2462 -32 [ESS] ewhac-air
00:16:01:92:e1:89 2417 -83 [WPA-PSK-TKIP][ESS] BERLOGA-101
94:44:52:5a:11:4c 2412 -83 [WPA-PSK-CCMP][WPA2-PSK-CCMP][WPS][ESS]
Belkin.314C
00:1b:2f:c4:c9:11 2462 -33 [WEP][ESS] ewhac-water
00:14:95:3e:f2:42 2437 -62 [WEP][ESS] 2WIRE303
00:16:b6:ce:b1:9f 2437 -78 [WEP][ESS] jvelez
----
It seems evident that different signal strength units are returned
from the two wpa-drivers, which is confusing wpa_gui. Please investigate
this matter.
Schwab
-- System Information:
Debian Release: wheezy/sid
APT prefers unstable
APT policy: (500, 'unstable'), (500, 'testing'), (500, 'stable')
Architecture: i386 (i686)
Kernel: Linux 2.6.39-rc7 (SMP w/2 CPU cores; PREEMPT)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Versions of packages wpagui depends on:
ii libc6 2.13-7 Embedded GNU C Library: Shared lib
ii libgcc1 1:4.6.0-13 GCC support library
ii libqt4-svg 4:4.7.3-1 Qt 4 SVG module
ii libqtcore4 4:4.7.3-1 Qt 4 core module
ii libqtgui4 4:4.7.3-1 Qt 4 GUI module
ii libstdc++6 4.6.0-13 GNU Standard C++ Library v3
ii wpasupplicant 0.7.3-3 client support for WPA and WPA2 (I
Versions of packages wpagui recommends:
ii menu 2.1.45 generates programs menu for all me
wpagui suggests no packages.
-- no debconf information
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