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| author |   Jason A. Donenfeld <Jason@zx2c4.com> | 2019-05-22 11:46:41 +0200 |
|---|---|---|
| committer | Jason A. Donenfeld <Jason@zx2c4.com> | 2019-05-22 15:26:54 +0200 |
| commit | a9493cefc61c968bc1cdf29f399417ce035b1aaf (patch) | |
| tree | 2ad5f68d509a1dbce4c886fb5471b3a3e1d5d729 /tunnel/ifaceconfig.go | |
| parent | manager: fix error string find and replace mistake (diff) | |
| download | wireguard-windows-a9493cefc61c968bc1cdf29f399417ce035b1aaf.tar.xz wireguard-windows-a9493cefc61c968bc1cdf29f399417ce035b1aaf.zip | |
tunnel: remove routes before destroying interface
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Diffstat (limited to 'tunnel/ifaceconfig.go')
| -rw-r--r-- | tunnel/ifaceconfig.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/tunnel/ifaceconfig.go b/tunnel/ifaceconfig.go index 453d4ca5..b993d739 100644 --- a/tunnel/ifaceconfig.go +++ b/tunnel/ifaceconfig.go @@ -197,6 +197,18 @@ func configureInterface(conf *conf.Config, tun *tun.NativeTun) error { return nil } +func unconfigureInterface(tun *tun.NativeTun) { + // It seems that the Windows networking stack doesn't like it when we destroy interfaces that have active + // routes, so to be certain, just remove everything before destroying. + luid := tun.LUID() + winipcfg.FlushInterfaceRoutes(luid, windows.AF_INET) + winipcfg.FlushInterfaceIPAddresses(luid, windows.AF_INET) + winipcfg.FlushInterfaceRoutes(luid, windows.AF_INET6) + winipcfg.FlushInterfaceIPAddresses(luid, windows.AF_INET6) + + //TODO: also flush DNS servers once rozmansi fixes the API for that to take a LUID +} + func enableFirewall(conf *conf.Config, tun *tun.NativeTun) error { restrictAll := false if len(conf.Peers) == 1 { |