Re: [PATCH] accessfs v0.6 ported to 2.5.35-lsm1 - 1/2

From: Olaf Dietsche (olaf.dietsche--list.linux-security-module@exmail.de)
Date: Sun Sep 29 2002 - 09:49:12 EST


James Morris <jmorris@intercode.com.au> writes:

> On Fri, 27 Sep 2002, Greg KH wrote:
>
>> As for the ip_prot_sock hook in general, does it look ok to the other
>> developers?
>>
>
> This hook is not necessary: any related access control decision can be
> made via the more generic and flexible socket_bind() hook (like SELinux).

AFAICS, it looks like you can make _additional_ checks only. You still
have to grant CAP_NET_BIND_SERVICE for binding to ports below PROT_SOCK.
So, this doesn't look like a viable solution for me.

Anyway, thanks for this pointer, I'll look into socket_bind().

Regards, Olaf.
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