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Move Linux-specific ifname logic to tun_linux.go and place a generic in tun_other.go

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This commit is contained in:
Neil Alexander 2018-01-04 22:34:17 +00:00
parent 1c799b305d
commit ae7b07ae6a
3 changed files with 25 additions and 13 deletions
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11
src/yggdrasil/tun.go
View File

@ -18,16 +18,6 @@ func (tun *tunDevice) init(core *Core) {
tun.core = core
}
func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
config := water.Config{ DeviceType: water.TUN }
if ifname != "" && ifname != "auto" { config.Name = ifname }
iface, err := water.New(config)
if err != nil { panic(err) }
tun.iface = iface
tun.mtu = mtu //1280 // Lets default to the smallest thing allowed for now
return tun.setupAddress(addr)
}
func (tun *tunDevice) write() error {
for {
data := <-tun.recv
@ -55,4 +45,3 @@ func (tun *tunDevice) read() error {
func (tun *tunDevice) close() error {
return tun.iface.Close()
}

15
src/yggdrasil/tun_linux.go
View File

@ -7,6 +7,20 @@ import "fmt"
import "os/exec"
import "strings"
import water "github.com/songgao/water"
func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
config := water.Config{ DeviceType: water.TUN }
if ifname != "" && ifname != "auto" {
config.Name = ifname
}
iface, err := water.New(config)
if err != nil { panic(err) }
tun.iface = iface
tun.mtu = mtu //1280 // Lets default to the smallest thing allowed for now
return tun.setupAddress(addr)
}
func (tun *tunDevice) setupAddress(addr string) error {
// Set address
cmd := exec.Command("ip", "-f", "inet6",
@ -33,4 +47,3 @@ func (tun *tunDevice) setupAddress(addr string) error {
}
return nil
}

12
src/yggdrasil/tun_other.go
View File

@ -2,11 +2,21 @@
package yggdrasil
import water "github.com/songgao/water"
// This is to catch unsupported platforms
// If your platform supports tun devices, you could try configuring it manually
func (tun *tunDevice) setup(ifname string, addr string, mtu int) error {
config := water.Config{ DeviceType: water.TUN }
iface, err := water.New(config)
if err != nil { panic(err) }
tun.iface = iface
tun.mtu = mtu //1280 // Lets default to the smallest thing allowed for now
return tun.setupAddress(addr)
}
func (tun *tunDevice) setupAddress(addr string) error {
tun.core.log.Println("Platform not supported, you must set the address of", tun.iface.Name(), "to", addr)
return nil
}