rainbow and pam

victor Victor.Lazzarini at nuim.ie
Fri Aug 15 19:06:34 EDT 2008

Thanks; You have been copied into this already: 

I'm just exploring possibilities for getting better RT performance for
audio on the XO. I got stuck when I could not test set the scheduler
priority from an Activity (but was able to do it from the terminal).

----- Original Message ----- 
From: "Michael Stone" <michael at laptop.org>
To: "victor" <Victor.Lazzarini at nuim.ie>
Cc: <devel at lists.laptop.org>
Sent: Saturday, August 16, 2008 12:00 AM
Subject: Re: rainbow and pam

> On Fri, Aug 15, 2008 at 11:52:59PM +0100, victor wrote:
>>I'm trying to get my head round how rainbow works and there is one
>>thing I cannot figure out. Why is that the UIDs generated by rainbow
>>do not have the same resource access privileges as other UIDs as
>>set in limits.conf for pam? If I use a wildcard to match all users,
>>the UIDs set by rainbow are not caught by it.
> Probably because rainbow simply calls setgroups(), setgid(), and
> setuid() in order to change credentials. What would you like it to be
> doing?
> Michael 

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