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ipn/ipnlocal: start adding DoH DNS server to peerapi when exit node

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Updates #1713

Change-Id: I8d9c488f779e7acc811a9bc18166a2726198a429
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-11-22 21:45:34 -08:00
committed by Brad Fitzpatrick
parent 6fd6fe11f2
commit 283ae702c1
6 changed files with 122 additions and 0 deletions
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14
wgengine/userspace.go
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@ -147,6 +147,20 @@ func (e *userspaceEngine) GetInternals() (_ *tstun.Wrapper, _ *magicsock.Conn, o
return e.tundev, e.magicConn, true
}
// ResolvingEngine is implemented by Engines that have DNS resolvers.
type ResolvingEngine interface {
GetResolver() (_ *resolver.Resolver, ok bool)
}
var (
_ ResolvingEngine = (*userspaceEngine)(nil)
_ ResolvingEngine = (*watchdogEngine)(nil)
)
func (e *userspaceEngine) GetResolver() (r *resolver.Resolver, ok bool) {
return e.dns.Resolver(), true
}
// BIRDClient handles communication with the BIRD Internet Routing Daemon.
type BIRDClient interface {
EnableProtocol(proto string) error