Re: Packetspammer and iwlwifi fragility

[Andy Green <andy@warmcat.com>]

Michael Wu wrote:

> On Wednesday 07 March 2007 08:05, Andy Green wrote:
>> Also notice that packets cannot be sent by packetspammer until the
>> interface is brought up, which I guess is reasonable enough, but also I
>> found not until the interface was associated with a WPA network, which
>> is a problem if the plan is to use the injection action to do the work
>> of association in userspace.
>>
> There is a hostap/prism2 sub-ioctl to enable userspace mlme mode, which should 
> fix that issue. Look around in ieee80211_ioctl.c for 
> PRISM2_IOCTL_PRISM2_PARAM, ieee80211_ioctl_prism2_param, and 
> PRISM2_PARAM_USER_SPACE_MLME for hints. These sub-ioctls are, of course, 
> quite evil and need to be replaced, but it's a little better than hacking 
> mac80211 to start with user_space_mlme enabled by default.

Thanks for that tip Michael, I found it needed only 
PRISM2_PARAM_ALLOW_BROADCAST_ALWAYS to work without association.  So you 
  only need to

  - bring the interface up, and

  - set the channel

before running it now.  The updated version can be had here:

http://warmcat.com/packetspammer-0.2.tar.gz

-Andy