Re: IP -> hostname lookup in kernel module?

H. Peter Anvin (hpa@zytor.com)
12 Dec 2001 11:46:09 -0800


Followup to: <20011212173517.G17064@blu>
By author: antirez <antirez@invece.org>
In newsgroup: linux.dev.kernel
>
> There isn't, but you can create an UDP socket and to the query..
>

No you can't. There is no way that you can find out which nameservers
are configured.

> or run an userspace resolver daemon that talks with your
> module, or some other trick.
>
> BTW it isn't the kind of stuff to do in kernelspace.
> You may think about do it in a post-processing stage
> if possible, or to write a module that exports to userspace
> what you need from the kernel and do the rest in userspace.

Indeed.

-hpa

-- 
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt	<amsp@zytor.com>
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