So - finally the Grand DNS Rewrite is reaching the final commits - thanks
Heiko for all the work.
This patch brings working --dns-updown for configs where the server still
pushes "dhcp-options DNS" - and vice versa, compat "foreign_option..."
settings in --up for configs where the server pushes "--dns ..."
Windows will see DNS via iservice "but not if TAP + DHCP is active"
(compat again).
Lev has tested the various windows variants, I have tested all the
"incoming" variants (reference server can push this or that, depending
on client requests) and verified that --dns-updown applies whatever
makes sense, and alternatively "--up printenv.sh" will show the correct
DNS options.
There might be bugs lurking, but overall this does what it aims for, and
the code looks good (I stared at it quite a bit over the last months ;-) ).
NOTE: Android has not explicitely been tested, but given that it shares
the "tuntap" option handling with Windows, I expect nothing to break there.
Your patch has been applied to the master branch.
commit 2dfc4f82792b197dfa47d2bfe32c2af66b329611
Author: Heiko Hund
Date: Wed Jun 18 14:48:29 2025 +0200
dns: deal with --dhcp-options when --dns is active
Signed-off-by: Heiko Hund <[email protected]>
Acked-by: Gert Doering <[email protected]>
Message-Id: <[email protected]>
URL:
https://www.mail-archive.com/[email protected]/msg31922.html
Signed-off-by: Gert Doering <[email protected]>
--
kind regards,
Gert Doering
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