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Re: blacklisting nodes that probe non-existant nodes



In article <F774484B-A4FF-46DC-A925-4BA5F62BFBAA%zoulas.com@localhost>,
Christos Zoulas  <christos%zoulas.com@localhost> wrote:
>-=-=-=-=-=-
>
>
>> 
>> Anyone can open PF_ROUTE and read from it or write RTM_GET.
>> However, you need to have it opened as root to write any other operations.
>> Do we have a means of testing that without writing to the socket?
>> I'm guessing no.
>> 
>> I suppose we could enforce testing if SCM_CREDENTIALS passed uid root
>or same uid as blacklistd as running as or maybe even one that matches a
>rule in blacklistd.conf?
>> 
>> Roy
>
>Yes, I saw that. I tried a 0 length write and I got ENOBUFS. I was going to fix
>the 0 length write to be a permissions check.

Actually there is a better way; we can issue an invalid request :-)

christos



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