Files
gluetun/internal/portforward/fs.go
2022-06-25 15:44:29 +00:00

38 lines
932 B
Go

package portforward
import (
"fmt"
"os"
)
func (l *Loop) removePortForwardedFile() {
filepath := *l.state.GetSettings().Filepath
l.logger.Info("removing port file " + filepath)
if err := os.Remove(filepath); err != nil {
l.logger.Error(err.Error())
}
}
func (l *Loop) writePortForwardedFile(port uint16) {
filepath := *l.state.GetSettings().Filepath
l.logger.Info("writing port file " + filepath)
if err := writePortForwardedToFile(filepath, port, l.puid, l.pgid); err != nil {
l.logger.Error("writing port forwarded to file: " + err.Error())
}
}
func writePortForwardedToFile(filepath string, port uint16, uid, gid int) (err error) {
const perms = os.FileMode(0644)
err = os.WriteFile(filepath, []byte(fmt.Sprint(port)), perms)
if err != nil {
return fmt.Errorf("writing file: %w", err)
}
err = os.Chown(filepath, uid, gid)
if err != nil {
return fmt.Errorf("chowning file: %w", err)
}
return nil
}