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cmd/tailscale: fix "up" warning about netfilter-mode on Synology

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Fixes #6811

Change-Id: Ia43723e6ebedc9b01729897cec271c462b16e9ae
Signed-off-by: Brad Fitzpatrick <bradfitz@tailscale.com>
This commit is contained in:
Brad Fitzpatrick 2022-12-20 11:34:10 -08:00 committed by Brad Fitzpatrick
parent f837d179b9
commit 8aac77aa19
1 changed files with 9 additions and 1 deletions
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10
cmd/tailscale/cli/up.go
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@ -330,7 +330,11 @@ func prefsFromUpArgs(upArgs upArgsT, warnf logger.Logf, st *ipnstate.Status, goo
prefs.ControlURL = upArgs.server
prefs.WantRunning = true
prefs.RouteAll = upArgs.acceptRoutes
if distro.Get() == distro.Synology {
// ipn.NewPrefs returns a non-zero Netfilter default. But Synology only
// supports "off" mode.
prefs.NetfilterMode = preftype.NetfilterOff
}
if upArgs.exitNodeIP != "" {
if err := prefs.SetExitNodeIP(upArgs.exitNodeIP, st); err != nil {
var e ipn.ExitNodeLocalIPError
@ -879,6 +883,10 @@ func checkForAccidentalSettingReverts(newPrefs, curPrefs *ipn.Prefs, env upCheck
// Issue 3176. Old prefs had 'RouteAll: true' on disk, so ignore that.
continue
}
if flagName == "netfilter-mode" && valNew == preftype.NetfilterOn && env.goos == "linux" && env.distro == distro.Synology {
// Issue 6811. Ignore on Synology.
continue
}
missing = append(missing, fmtFlagValueArg(flagName, valCur))
}
if len(missing) == 0 {