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@@ -0,0 +1,60 @@
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+//go:build darwin
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+// +build darwin
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+
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+// Copyright © 2021 Ettore Di Giacinto <[email protected]>
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+//
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+// This program is free software; you can redistribute it and/or modify
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+// it under the terms of the GNU General Public License as published by
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+// the Free Software Foundation; either version 2 of the License, or
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+// (at your option) any later version.
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+//
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+// This program is distributed in the hope that it will be useful,
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+// but WITHOUT ANY WARRANTY; without even the implied warranty of
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+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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+// GNU General Public License for more details.
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+//
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+// You should have received a copy of the GNU General Public License along
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+// with this program; if not, see <http://www.gnu.org/licenses/>.
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+
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+package vpn
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+
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+import (
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+ "github.com/songgao/water"
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+ "github.com/vishvananda/netlink"
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+)
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+
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+func createInterface(c *Config) (*water.Interface, error) {
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+ config := water.Config{
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+ DeviceType: c.DeviceType,
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+ }
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+ config.Name = c.InterfaceName
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+
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+ return water.New(config)
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+}
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+
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+func prepareInterface(c *Config) error {
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+ link, err := netlink.LinkByName(c.InterfaceName)
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+ if err != nil {
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+ return err
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+ }
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+ addr, err := netlink.ParseAddr(c.InterfaceAddress)
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+ if err != nil {
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+ return err
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+ }
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+
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+ err = netlink.LinkSetMTU(link, c.InterfaceMTU)
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+ if err != nil {
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+ return err
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+ }
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+
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+ err = netlink.AddrAdd(link, addr)
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+ if err != nil {
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+ return err
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+ }
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+
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+ err = netlink.LinkSetUp(link)
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+ if err != nil {
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+ return err
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+ }
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+ return nil
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+}
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mudler