On Aug 11, 2011, at 3:34 AM, Roy Marples wrote:
> On 11/08/2011 09:58, Alex Apke wrote:
>> So that means that having a domain entry listed before search gives the
>> desired behavior, I am looking for.
>>
>> With the original sample I used for opening the ticket, this is the expected
>> layout:
>> # Generated by resolvconf
>> domain example.com
>> search foo bar example.com
>> nameserver 127.0.0.1
>> nameserver 192.168.0.2
>> nameserver 8.8.8.8
>> nameserver 8.8.4.4
>> options timeout:5
>> sortlist 130.155.160.0/255.255.240.0 130.155.0.0
>>
>> The resolver will ignore domain, and use search, which will have the domain
>> appended to it.
>
> In the above example, the domain will be foo because it's the first in the
> list
>
> domain foo
> search bar foo
> domain foo
>
> That sets the domain to foo and blanks the search list because domain was
> last. The libc source code will use the last domain or search statement it
> finds and use that for all. So when it comes to the generated resolv.conf
> file, having a domain keyword is pretty redundant.
In my original example dns-domain foo is commented out.
So here is how I see this all working for libc resolver, and will only show the
interfaces & resulting resolv.conf entries for domain & search.
1)
interfaces
dns-search foo bar
dns-domain example.com
resolv.conf
domain example.com
search foo bar example.com
2)
interfaces
dns-domain foo
dns-search bar
dns-domain example.com
resolv.conf
domain example.com
search bar foo example.com
3)
interfaces
dns-search foo
dns-domain example.com
dns-search bar
resolv.conf
domain example.com
search foo example.com bar
4)
interfaces
dns-search foo bar
dns-search example.com
resolv.conf
search foo bar example.com
In the above, the domain value always gets added to search, but if domain
appears in the interfaces file, it should only appear in the resolv.conf once,
and always above the search entry. For examples 2 & 3, openresolv could build
the search list differently or choose the other domain to be displayed.
>
> It looks like the behaviour you really want is the correct domain first in
> the search list.
> You can do this by setting interface_order and/or dynamic_order and/or
> search_domains in /etc/resolvconf.conf
Sure, as a backup procedure, there is always that, but I still think it would
be possible for openresolv to do what I am suggesting above.
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