Tj <linux@iam.tj> wrote:
    > I've recently been building an embedded device to do (kernel-mode)
    > PPPoE which uses only systemd-networkd + systemd-resolved (PC Engines
    > APU2 with Ubuntu 18.04 - amd64).

...

    > After some experimentation I've put together a small C helper program
    > that reads DNS[12]= from the helper environment and uses DBus calls to
    > set the per-link nameservers.

It seems like if small is your goal that you ought to have the ppp client do
this directly.

    > It build-depends on libdbus but not systemd.

Cool.

    > I'm looking for feedback on whether this would be acceptable as an
    > addition to the ppp project, and if so where in the source tree would
    > be appropriate.

I would add it to ppp, and I'd put it into src/dbusdns.c or some such named
code.

If standalone, then give it a new directory.

--
]               Never tell me the odds!                 | ipv6 mesh networks [
]   Michael Richardson, Sandelman Software Works        | network architect  [
]     mcr@sandelman.ca  http://www.sandelman.ca/        |   ruby on rails    [