[PATCH] Make it easy to decline resolv.conf updates

[Daniel Kahn Gillmor]

On Mon 2018-02-26 16:28:19 +0100, David Woodhouse wrote:
> On Wed, 2018-02-21 at 16:49 -0800, Daniel Kahn Gillmor wrote:
>> There are situations where the user wants to use the routing
>> information offered by the VPN, but does not want to use the DNS
>> recommendations.
>> 
>> In this case, it'd be nice to be able to tell vpnc this preference.
>> 
>> With this change, a vpnc configfile line should do the right thing:
>> 
>>       Script /usr/share/vpnc-scripts/vpnc-script --no-update-resolv.conf
>
> Does the same approach with work openconnect? Or could we do it with an
> exported environment variable instead?

i don't know whether the same approach works with openconnect, sorry.

fwiw, i'd be happy with either approach.  With an exported env var, i
assume the line would just be something like:

    Script /usr/bin/env NO_UPDATE_RESOLVCONF=true /usr/share/vpnc-scripts/vpnc-script

or

    Script /usr/bin/env UPDATE_RESOLVCONF=no /usr/share/vpnc-scripts/vpnc-script

sound right?

      --dkg
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