From: ST <smntov@gmail.com>
To: "Jason A. Donenfeld" <Jason@zx2c4.com>
Cc: WireGuard mailing list <wireguard@lists.zx2c4.com>
Subject: Re: SFTP-based VPN bootstrapping with automatic collision-free IPs assignment/peers' public data sharing
Date: Tue, 17 Apr 2018 23:07:40 +0300 [thread overview]
Message-ID: <1523995660.9423.4.camel@gmail.com> (raw)
In-Reply-To: <CAHmME9rr7AJ_LGZt62vMAkAFh4Q304PTpHJ3WRug91Xw3Ewb9w@mail.gmail.com>
Hi Jason,
On Mon, 2018-04-16 at 00:37 +0200, Jason A. Donenfeld wrote:
> Hi ST,
>
> It's a cool idea using the file system like that (the sticky bit would
> make the permissions part work correctly, perhaps), though I wonder if
> it's a bit complicated. If the model you're after is simply "server
> allocates IPs for peers already known through some channel but with
> unknown wireguard public keys", then maybe a better SSH-based
> interface is a special user that is only allowed to run one program,
> and that program does one thing: accepts as input a public key, and
> outputs [without races] an allocated IP, endpoint, and the server's
> public key. Under the hood that information could be stored in a
> variety of ways. Alternatively, this could be its own protocol over
> the wire or over TLS or over whatever the pre-established trust
> mechanism is that the idea is based on. One of the earliest dirty bash
> scripts for WireGuard did this (insecurely) over TCP --
> https://git.zx2c4.com/WireGuard/tree/contrib/examples/ncat-client-server/server.sh
> -- this is what's running on demo.wireguard.com.
I looked into those scripts - thank you! What discourages me is its
warning not to use in production! So I'm wondering maybe it is possible
to just use DHCP server/client somehow with WG for this purpose? Are
there any expected pitfalls for such a configuration?
Thank you!
next prev parent reply other threads:[~2018-04-17 19:53 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-15 17:49 ST
2018-04-15 22:37 ` Jason A. Donenfeld
2018-04-16 8:08 ` ST
2018-04-17 20:07 ` ST [this message]
2018-04-18 4:04 ` Jason A. Donenfeld
2018-04-18 10:38 ` ST
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