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The patch I have attached lets me get the behavior I wish out of
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dnsmasq. I also include my version of dhclient-enter-hooks as
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required for the switchover from pre-dnsmasq and dhclient.
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On 8/16/05, Joseph Tate <dragonstrider@gmail.com> wrote:
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> I'm trying to use dnsmasq on a laptop in order to facilitate openvpn
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> connections. As such, the only configuration option I'm concerned
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> about is a single server=3D/example.com/192.168.0.1 line.
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> The way I currently have it set up is I modified dhclient to write its
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> resolv.conf data to /etc/resolv.conf.dhclient and configured
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> /etc/dnsmasq.conf to look there for its upstream dns servers.
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> /etc/resolv.conf is set to nameserver 127.0.0.1
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> All of this works great. When I start the openvpn service, it the
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> routes, and queries to the domain in the server=3D line work just fine.
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> The only problem is that the hostname for my system doesn't get set
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> correctly. With the resolv.conf data written to something other than
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> /etc/resolv.conf, the ifup scripts don't have a valid dns server to do
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> the ipcalc call to set the laptop's hostname. If I start dnsmasq
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> before the network comes up, something gets fubar'd. I'm not sure how
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> to describe it exactly, but network services are slow to load, and
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> restarting networking and dnsmasq doesn't solve the problem. Perhaps
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> dnsmasq is answering the dhcp request when the network starts?
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> Certainly not desired behavior.
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> Anyway, my question: is there a way to have the best of both worlds?
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> DHCP requests to another server, and DNS lookups that work at all
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> My current best idea on how to solve this problem is modifying the
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> dnsmasq initscript to tweak /etc/dhclient-enter-hooks to change where
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> dhclient writes resolv.conf data, and fixing up /etc/resolv.conf on
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> the fly to set 127.0.0.1 to the nameserver (and somehow keep the
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> search domains intact), but I'm hoping that I'm just missing some key
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> piece of the puzzle and that this problem has been solved before. Any
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> Personal e-mail: jtate AT dragonstrider DOT com
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> Web: http://www.dragonstrider.com