| Simon Kelley | 3d8df26 | 2005-08-29 12:19:27 +0100 | [diff] [blame] | 1 | The patch I have attached lets me get the behavior I wish out of |
| 2 | dnsmasq. I also include my version of dhclient-enter-hooks as |
| 3 | required for the switchover from pre-dnsmasq and dhclient. |
| 4 | |
| 5 | On 8/16/05, Joseph Tate <dragonstrider@gmail.com> wrote: |
| 6 | > I'm trying to use dnsmasq on a laptop in order to facilitate openvpn |
| 7 | > connections. As such, the only configuration option I'm concerned |
| 8 | > about is a single server=3D/example.com/192.168.0.1 line. |
| 9 | > |
| 10 | > The way I currently have it set up is I modified dhclient to write its |
| 11 | > resolv.conf data to /etc/resolv.conf.dhclient and configured |
| 12 | > /etc/dnsmasq.conf to look there for its upstream dns servers. |
| 13 | > /etc/resolv.conf is set to nameserver 127.0.0.1 |
| 14 | > |
| 15 | > All of this works great. When I start the openvpn service, it the |
| 16 | > routes, and queries to the domain in the server=3D line work just fine. |
| 17 | > |
| 18 | > The only problem is that the hostname for my system doesn't get set |
| 19 | > correctly. With the resolv.conf data written to something other than |
| 20 | > /etc/resolv.conf, the ifup scripts don't have a valid dns server to do |
| 21 | > the ipcalc call to set the laptop's hostname. If I start dnsmasq |
| 22 | > before the network comes up, something gets fubar'd. I'm not sure how |
| 23 | > to describe it exactly, but network services are slow to load, and |
| 24 | > restarting networking and dnsmasq doesn't solve the problem. Perhaps |
| 25 | > dnsmasq is answering the dhcp request when the network starts? |
| 26 | > Certainly not desired behavior. |
| 27 | > |
| 28 | > Anyway, my question: is there a way to have the best of both worlds? |
| 29 | > DHCP requests to another server, and DNS lookups that work at all |
| 30 | > times? |
| 31 | > |
| 32 | > My current best idea on how to solve this problem is modifying the |
| 33 | > dnsmasq initscript to tweak /etc/dhclient-enter-hooks to change where |
| 34 | > dhclient writes resolv.conf data, and fixing up /etc/resolv.conf on |
| 35 | > the fly to set 127.0.0.1 to the nameserver (and somehow keep the |
| 36 | > search domains intact), but I'm hoping that I'm just missing some key |
| 37 | > piece of the puzzle and that this problem has been solved before. Any |
| 38 | > insights? |
| 39 | > |
| 40 | > -- |
| 41 | > Joseph Tate |
| 42 | > Personal e-mail: jtate AT dragonstrider DOT com |
| 43 | > Web: http://www.dragonstrider.com |
| 44 | > |