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ipn/ipnlocal, net/tsdial: make SOCKS/HTTP dials use ExitDNS

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And simplify, unexport some tsdial/netstack stuff in the the process.

Fixes #3475

Change-Id: I186a5a5cbd8958e25c075b4676f7f6e70f3ff76e
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick
2021-12-03 08:33:05 -08:00
committed by Brad Fitzpatrick
parent 9f6249b26d
commit 9c5c9d0a50
7 changed files with 181 additions and 27 deletions
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9
ipn/ipnlocal/local.go
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@@ -1898,6 +1898,15 @@ func (b *LocalBackend) authReconfig() {
}
}
// Keep the dialer updated about whether we're supposed to use
// an exit node's DNS server (so SOCKS5/HTTP outgoing dials
// can use it for name resolution)
if dohURL, ok := exitNodeCanProxyDNS(nm, prefs.ExitNodeID); ok {
b.dialer.SetExitDNSDoH(dohURL)
} else {
b.dialer.SetExitDNSDoH("")
}
cfg, err := nmcfg.WGCfg(nm, b.logf, flags, prefs.ExitNodeID)
if err != nil {
b.logf("wgcfg: %v", err)