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WireGuard Inbound (User-space WireGuard server) (#2477)

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* feat: wireguard inbound

* feat(command): generate wireguard compatible keypair

* feat(wireguard): connection idle timeout

* fix(wireguard): close endpoint after connection closed

* fix(wireguard): resolve conflicts

* feat(wireguard): set cubic as default cc algorithm in gVisor TUN

* chore(wireguard): resolve conflict

* chore(wireguard): remove redurant code

* chore(wireguard): remove redurant code

* feat: rework server for gvisor tun

* feat: keep user-space tun as an option

* fix: exclude android from native tun build

* feat: auto kernel tun

* fix: build

* fix: regulate function name & fix test
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hax0r31337 2023-11-18 11:27:17 +08:00 • committed by GitHub
parent f1c81557dc
commit 0ac7da2fc8
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17 changed files with 1049 additions and 500 deletions
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16
proxy/wireguard/tun_linux.go
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@ -1,3 +1,5 @@
//go:build linux && !android
package wireguard
import (
@ -69,7 +71,11 @@ func (d *deviceNet) Close() (err error) {
return errors.Join(errs...)
}
func CreateTun(localAddresses []netip.Addr, mtu int) (t Tunnel, err error) {
func createKernelTun(localAddresses []netip.Addr, mtu int, handler promiscuousModeHandler) (t Tunnel, err error) {
if handler != nil {
return nil, newError("TODO: support promiscuous mode")
}
var v4, v6 *netip.Addr
for _, prefixes := range localAddresses {
if v4 == nil && prefixes.Is4() {
@ -221,3 +227,11 @@ func CreateTun(localAddresses []netip.Addr, mtu int) (t Tunnel, err error) {
out.tun = wgt
return out, nil
}
func KernelTunSupported() bool {
// run a superuser permission check to check
// if the current user has the sufficient permission
// to create a tun device.
return unix.Geteuid() == 0 // 0 means root
}