Re: Obtaining list of created sockets

[Iain Hibbert <plunky%ogmig.net@localhost>]

On Mon, 30 Jun 2014, Johnny Billquist wrote:

> On 2014-06-30 08:29, Will Dignazio wrote:
> > Hi,
> >
> > I've dug through the so* code, and haven't found any table or list
> > dedicated to created sockets. The exception only seems to be fsocreate,
> > which attaches a file descriptor that could be used to find the assigned
> > socket.
> >
> > I'm working on a module where I would like to expose the list of created
> > sockets as a series of directories containing file descriptors that let
> > you access the properties of the sockets. This of course requires that
> > the module be aware of all the created sockets in the system. So,
> > without modifying the current socket creation process, is there a way to
> > obtain a list or table of created (not necessarily bound/open/listening)
> > sockets?
>
> Why not just check how netstat does it?

IIRC netstat does it by a private-to-each-protocol sysctl node, which only
works for protocols with socket types known to the calling program.
sockstat(1) is the same, there is no generic list of opened sockets.

regards,
iain