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Set interface IP and MTU on BSD

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This commit is contained in:
Neil Alexander 2018-03-01 13:37:05 +00:00
parent f8dda26dba
commit 9e4d169208
2 changed files with 66 additions and 10 deletions
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69
src/yggdrasil/tun_bsd.go
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@ -1,17 +1,60 @@
// +build openbsd freebsd solaris // +build openbsd freebsd solaris netbsd dragonfly
package yggdrasil package yggdrasil
import "fmt"
import "os/exec"
import "strings"
import water "github.com/neilalexander/water" import water "github.com/neilalexander/water"
// This is to catch BSD platforms // This is to catch BSD platforms
const TUNSIFINFO = (0x80000000) | ((4 & 0x1fff) << 16) | uint32(byte('t'))<<8 | 91
const TUNGIFINFO = (0x40000000) | ((4 & 0x1fff) << 16) | uint32(byte('t'))<<8 | 92
const SIOCAIFADDR_IN6 = (0x80000000) | ((4 & 0x1fff) << 16) | uint32(byte('i'))<<8 | 27
type in6_addrlifetime struct {
ia6t_expire float64
ia6t_preferred float64
ia6t_vltime uint32
ia6t_pltime uint32
}
type sockaddr_in6 struct {
sin6_len uint8
sin6_family uint8
sin6_port uint8
sin6_flowinfo uint32
sin6_addr [8]uint16
sin6_scope_id uint32
}
type in6_aliasreq struct {
ifra_name [16]byte
ifra_addr sockaddr_in6
ifra_dstaddr sockaddr_in6
ifra_prefixmask sockaddr_in6
ifra_flags uint32
ifra_lifetime in6_addrlifetime
}
type tuninfo struct {
tun_baudrate int
tun_mtu int16
tun_type uint8
tun_dummy uint8
}
func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error { func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int) error {
var config water.Config var config water.Config
if iftapmode { switch {
case iftapmode || ifname[:8] == "/dev/tap":
config = water.Config{DeviceType: water.TAP} config = water.Config{DeviceType: water.TAP}
} else { case !iftapmode || ifname[:8] == "/dev/tun":
config = water.Config{DeviceType: water.TUN} config = water.Config{DeviceType: water.TUN}
default:
panic("TUN/TAP name must be in format /dev/tunX or /dev/tapX")
} }
config.Name = ifname config.Name = ifname
iface, err := water.New(config) iface, err := water.New(config)
@ -24,6 +67,24 @@ func (tun *tunDevice) setup(ifname string, iftapmode bool, addr string, mtu int)
} }
func (tun *tunDevice) setupAddress(addr string) error { 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) // Set address
cmd := exec.Command("ifconfig", tun.iface.Name(), "inet6", addr)
tun.core.log.Printf("ifconfig command: %v", strings.Join(cmd.Args, " "))
output, err := cmd.CombinedOutput()
if err != nil {
tun.core.log.Printf("ipconfig failed: %v.", err)
tun.core.log.Println(string(output))
return err
}
// Set MTU and bring device up
cmd = exec.Command("ifconfig", tun.iface.Name(), "mtu", fmt.Sprintf("%d", tun.mtu), "up")
tun.core.log.Printf("ifconfig command: %v", strings.Join(cmd.Args, " "))
output, err = cmd.CombinedOutput()
if err != nil {
tun.core.log.Printf("ipconfig failed: %v.", err)
tun.core.log.Println(string(output))
return err
}
return nil return nil
} }

7
src/yggdrasil/tun_other.go
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@ -1,9 +1,4 @@
// +build !linux // +build !linux,!darwin,!windows,!openbsd,!freebsd,!solaris,!netbsd,!dragonfly
// +build !darwin
// +build !windows
// +build !openbsd
// +build !freebsd
// +build !solaris
package yggdrasil package yggdrasil