On Tue, 7 May 2002, Dmitrii Tisnek wrote:
> hey, I've been trying to change certain network packet mangling software
> such that it would not need a kernel module, and it seems to me that,
> unfortunately there's no way to make packet socket "steal" packets it
> deliveres to the user mode.
>
> The behaviour I see is it gives userland a copy and give the native
> network stack a copy.
right - take a look at net/core/dev.c netif_receive_skb.
> unless I missed something, perhaps there could be an ioctl/setsockopt
> which would turn this behaviour into "pass packet to user mode or drop
> altogether" that would never result in network stack getting a packet
> directly.
well, that would be nice for certain applications, but wouldn't it
also be a security problem?
... well there would be a way how you could implement this kind of
feature now, but you need to write a module also :(
++dent
--
in some way i do, and in some way i don't.
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