netbird/client/firewall/create.go

33 lines
794 B
Go

//go:build !linux || android
package firewall
import (
"fmt"
"runtime"
log "github.com/sirupsen/logrus"
firewall "github.com/netbirdio/netbird/client/firewall/manager"
"github.com/netbirdio/netbird/client/firewall/uspfilter"
"github.com/netbirdio/netbird/client/internal/statemanager"
)
// NewFirewall creates a firewall manager instance
func NewFirewall(iface IFaceMapper, _ *statemanager.Manager) (firewall.Manager, error) {
if !iface.IsUserspaceBind() {
return nil, fmt.Errorf("not implemented for this OS: %s", runtime.GOOS)
}
// use userspace packet filtering firewall
fm, err := uspfilter.Create(iface)
if err != nil {
return nil, err
}
err = fm.AllowNetbird()
if err != nil {
log.Warnf("failed to allow netbird interface traffic: %v", err)
}
return fm, nil
}