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FEATURE: user space wireguard

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Add the possibility to use a user space implementation of wireguard. Specifically, the rust implementation boringtun.
This commit is contained in:
leonnicolas
2020-12-29 10:48:30 +01:00
parent 2d12d9ef81
commit e30cff5293
9 changed files with 605 additions and 7 deletions
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17
pkg/mesh/mesh.go
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@@ -85,7 +85,7 @@ type Mesh struct {
}
// New returns a new Mesh instance.
func New(backend Backend, enc encapsulation.Encapsulator, granularity Granularity, hostname string, port uint32, subnet *net.IPNet, local, cni bool, cniPath, iface string, cleanUpIface bool, logger log.Logger) (*Mesh, error) {
func New(backend Backend, enc encapsulation.Encapsulator, granularity Granularity, hostname string, port uint32, subnet *net.IPNet, local, cni bool, cniPath, iface string, cleanUpIface bool, createIface bool, logger log.Logger) (*Mesh, error) {
if err := os.MkdirAll(kiloPath, 0700); err != nil {
return nil, fmt.Errorf("failed to create directory to store configuration: %v", err)
}
@@ -117,9 +117,18 @@ func New(backend Backend, enc encapsulation.Encapsulator, granularity Granularit
return nil, fmt.Errorf("failed to find interface for private IP: %v", err)
}
privIface := ifaces[0].Index
kiloIface, _, err := wireguard.New(iface)
if err != nil {
return nil, fmt.Errorf("failed to create WireGuard interface: %v", err)
var kiloIface int
if createIface {
kiloIface, _, err = wireguard.New(iface)
if err != nil {
return nil, fmt.Errorf("failed to create WireGuard interface: %v", err)
}
} else {
link, err := netlink.LinkByName(iface)
if err != nil {
return nil, fmt.Errorf("failed to get interface index: %v", err)
}
kiloIface = link.Attrs().Index
}
if enc.Strategy() != encapsulation.Never {
if err := enc.Init(privIface); err != nil {