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Initial FreeBSD/OpenBSD/NetBSD support (doesn't have syscalls for interface config yet)

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This commit is contained in:
Neil Alexander 2019-08-12 11:39:29 +01:00
parent fd331bda3f
commit c83fe40250
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GPG key ID: A02A2019A2BB0944
4 changed files with 69 additions and 2 deletions
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47
syscalls_bsd.go Normal file
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@ -0,0 +1,47 @@
// +build openbsd freebsd netbsd
package water
import (
"errors"
"os"
)
func openDev(config Config) (ifce *Interface, err error) {
switch config.Name[:8] {
case "/dev/tap":
return newTAP(config)
case "/dev/tun":
return newTUN(config)
default:
return nil, errors.New("unrecognized driver")
}
}
func newTAP(config Config) (ifce *Interface, err error) {
if config.Name[:8] != "/dev/tap" {
panic("TUN/TAP name must be in format /dev/tunX or /dev/tapX")
}
file, err := os.OpenFile(config.Name, os.O_RDWR, 0)
if err != nil {
return nil, err
}
ifce = &Interface{isTAP: true, ReadWriteCloser: file, name: config.Name[5:]}
return
}
func newTUN(config Config) (ifce *Interface, err error) {
if config.Name[:8] != "/dev/tun" {
panic("TUN/TAP name must be in format /dev/tunX or /dev/tapX")
}
file, err := os.OpenFile(config.Name, os.O_RDWR, 0)
if err != nil {
return nil, err
}
ifce = &Interface{isTAP: false, ReadWriteCloser: file, name: config.Name[5:]}
return
}