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ipn/ipnlocal: restrict local lan access to linux machines.

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Signed-off-by: Maisem Ali <maisem@tailscale.com>
This commit is contained in:
Maisem Ali 2021-04-19 16:03:03 -07:00 committed by Maisem Ali
parent 8570f82c8b
commit 36fa29feec
1 changed files with 13 additions and 10 deletions
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3
ipn/ipnlocal/local.go
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@ -1861,6 +1861,8 @@ func (b *LocalBackend) routerConfig(cfg *wgcfg.Config, prefs *ipn.Prefs) *router
if !default6 {
rs.Routes = append(rs.Routes, ipv6Default)
}
if runtime.GOOS == "linux" {
// Only allow local lan access on linux machines for now.
ips, _, err := interfaceRoutes()
if err != nil {
b.logf("failed to discover interface ips: %v", err)
@ -1873,6 +1875,7 @@ func (b *LocalBackend) routerConfig(cfg *wgcfg.Config, prefs *ipn.Prefs) *router
rs.Routes = append(rs.Routes, ips.Prefixes()...)
}
}
}
rs.Routes = append(rs.Routes, netaddr.IPPrefix{
IP: tsaddr.TailscaleServiceIP(),