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use in-Nebula SNAT to send IPv4 UnsafeNetworks traffic over an IPv6 overlay

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This commit is contained in:
JackDoan
2026-01-14 12:36:55 -06:00
parent 39452b5eec
commit c2a63499ac
22 changed files with 770 additions and 210 deletions
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4
overlay/tun_android.go
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@@ -26,7 +26,7 @@ type tun struct {
l *logrus.Logger
}
func newTunFromFd(c *config.C, l *logrus.Logger, deviceFd int, vpnNetworks []netip.Prefix) (*tun, error) {
func newTunFromFd(c *config.C, l *logrus.Logger, deviceFd int, vpnNetworks []netip.Prefix, _ []netip.Prefix) (*tun, error) {
// XXX Android returns an fd in non-blocking mode which is necessary for shutdown to work properly.
// Be sure not to call file.Fd() as it will set the fd to blocking mode.
file := os.NewFile(uintptr(deviceFd), "/dev/net/tun")
@@ -53,7 +53,7 @@ func newTunFromFd(c *config.C, l *logrus.Logger, deviceFd int, vpnNetworks []net
return t, nil
}
func newTun(_ *config.C, _ *logrus.Logger, _ []netip.Prefix, _ bool) (*tun, error) {
func newTun(_ *config.C, _ *logrus.Logger, _ []netip.Prefix, _ []netip.Prefix, _ bool) (*tun, error) {
return nil, fmt.Errorf("newTun not supported in Android")
}