Re: [PATCH v2 1/2] netfilter/nflog: nflog-range does not truncate packets
From: Pablo Neira Ayuso
Date: Thu Jun 23 2016 - 13:34:47 EST
On Tue, Jun 21, 2016 at 02:58:46PM -0400, Vishwanath Pai wrote:
> netfilter/nflog: nflog-range does not truncate packets
>
> li->u.ulog.copy_len is currently ignored by the kernel, we should truncate
> the packet to either li->u.ulog.copy_len (if set) or copy_range before
> sending it to userspace. 0 is a valid input for copy_len, so add a new
> flag to indicate whether this was option was specified by the user or not.
>
> Add two flags to indicate whether nflog-size/copy_len was set or not.
> XT_NFLOG_F_COPY_LEN is for XT_NFLOG and NFLOG_F_COPY_LEN for nfnetlink_log
>
> On the userspace side, this was initially represented by the option
> nflog-range, this will be replaced by --nflog-size now. --nflog-range would
> still exist but does not do anything.
Applied, thanks!