Date: Thu, 17 Nov 2011 10:46:01 -0800 From: Julian Elischer <julian@freebsd.org> To: freebsd-hackers@freebsd.org Subject: Re: Communication between kernel and userspace via local socket Message-ID: <4EC55669.2060908@freebsd.org> In-Reply-To: <20111116085508.GF36205@hoeg.nl> References: <201111152218.41031.gelraen.ua@gmail.com> <20111116085508.GF36205@hoeg.nl>
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On 11/16/11 12:55 AM, Ed Schouten wrote: > * Maxim Ignatenko<gelraen.ua@gmail.com>, 20111115 21:18: >> I'm currently inventing the wheel^W^W^Wwriting a firewall from scratch and >> looking for most convenient way to establish communication between userspace >> processes and kernel part. Communication pattern best fits to listening >> PF_LOCAL socket opened from kernel and userspace processes connecting to it. > What's wrong with a character device? you can't easily have a different character device depending on which jail you are in.. (well, you can but it gets tricky).. see the problem with /dev/pflog and vimages. Maxim, look at the usage of sockets with netgraph ng_socket node.. also divert sockets.
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