RE: WiFi can connect with wrong WEP64 and allocate invalid IP (CM-343)

[Olivier Pinel (opinel)]

Hi Tomasz,

Thanks for your detailed explanation. It is clear for me now.

Best regards,

Olivier

-Original Message-
From: connman [mailto:connman-boun...@connman.net] On Behalf Of Tomasz Bursztyka
Sent: Wednesday, January 07, 2015 12:30 PM
To: connman@connman.net
Subject: Re: WiFi can connect with wrong WEP64 and allocate invalid IP (CM-343)

Hi Olivier,

Yes your assumption is right, this is how WEP is supposed to behave.

The people who opened this bug have no clue how WEP works obviously.
There is no proper (aka: specified) way to know if a connection has 
successfully worked or not with WEP. And if there would be a way, it would be 
up to wpa_supplicant to tell that to ConnMan.

The given IP is not "invalid", it's a link local IP. That's the fallback IP 
given by DHCP when this one does not get any lease: which could happen if the 
network does not provide any DHCP server. In the bug context, it's just an 
indirect relation with the wrong WEP settings.

Tomasz
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Re: WiFi can connect with wrong WEP64 and allocate invalid IP (CM-343)

[Tomasz Bursztyka]

Hi Olivier,

Yes your assumption is right, this is how WEP is supposed to behave.

The people who opened this bug have no clue how WEP works obviously.
There is no proper (aka: specified) way to know if a connection has 
successfully worked
or not with WEP. And if there would be a way, it would be up to 
wpa_supplicant to tell

that to ConnMan.

The given IP is not "invalid", it's a link local IP. That's the fallback 
IP given by DHCP when
this one does not get any lease: which could happen if the network does 
not provide any DHCP
server. In the bug context, it's just an indirect relation with the 
wrong WEP settings.


Tomasz
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WiFi can connect with wrong WEP64 and allocate invalid IP (CM-343)

[Olivier Pinel (opinel)]

Hello all,



1.I am wondering why CM-343 has been 
closed. I am seeing the same thing with connman 1.27.

2.Is it the expected behavior for WEP encryption?



Thanks for the enlightment.



Olivier






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