[Dnsmasq-discuss] dnsmasq and dbus - strange reset behaviour

[Simon Kelley]

On 22/05/14 21:53, Nic Ferrier wrote:
> I've got ubuntu 14 and I was having a few issues with the OpenVPN
> support not setting DNS properly.
> 
> So I thought I'd just use openvpn from the command line. But making it
> work with ubuntu's package dnsmasq is a bit tricky.
> 
> They run dnsmasq like this!
> 
>   dnsmasq --no-resolv --keep-in-foreground --no-hosts \
>      --bind-interfaces
>   --pid-file=/run/sendsigs.omit.d/network-manager.dnsmasq.pid \
>   --listen-address=127.0.1.1
>   --conf-file=/var/run/NetworkManager/dnsmasq.conf \
>   --cache-size=0 --proxy-dnssec
>   --enable-dbus=org.freedesktop.NetworkManager.dnsmasq \
>   --conf-dir=/etc/NetworkManager/dnsmasq.d
> 
> it's not possible (apparently) to do this with a config file so I've
> been using the dbus.
> 
> I've got something like this:
> 
>   sudo dbus-send --system --print-reply \
>         --dest=org.freedesktop.NetworkManager.dnsmasq \
>         /uk/org/thekelleys/dnsmasq \
>         uk.org.thekelleys.SetDomainServers "array:string:${CURRENT_DNS}/vpndomain.name/10.5.1.20 at tun0"
> 
> and it works, I get this:
> 
>   method return sender=:1.79468 -> dest=:1.79479 reply_serial=2
> 
> but only after a clean reboot, and I get:
> 
>   May 22 21:26:49 mymachine3 dnsmasq[14146]: using nameserver 10.5.1.20#53 for domain vpndomain.com
> 
> When I try and dig the name from the local dns it just times out.
> 
> I can dig from the upstream vpn side server.
> 
> So it seems like dnsmasq isn't actually obeying the server set when it's
> done more than once or something?
> 
> Can anyone suggest some debugging I could do or what the problem
> actually is?
> 

First thing is to set --log-queries, to get an idea what's actually
happening to your test query. I'd also simplify things and remove the
"@tun0" for a start.

"but only after a clean reboot" I'm not sure I understand this: what
happens when you run the command for the second time?


Cheers,


Simon.

> 
> Nic Ferrier
> 
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