35 lines
732 B
Go
35 lines
732 B
Go
package service
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import (
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"fmt"
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"os"
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"strings"
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)
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func (s *Service) writePortForwardedFile(ports []uint16) (err error) {
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portStrings := make([]string, len(ports))
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for i, port := range ports {
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portStrings[i] = fmt.Sprint(int(port))
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}
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fileData := []byte(strings.Join(portStrings, "\n"))
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filepath := s.settings.Filepath
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if len(ports) == 0 {
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s.logger.Info("clearing port file " + filepath)
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} else {
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s.logger.Info("writing port file " + filepath)
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}
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const perms = os.FileMode(0o644)
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err = os.WriteFile(filepath, fileData, perms)
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if err != nil {
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return fmt.Errorf("writing file: %w", err)
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}
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err = os.Chown(filepath, s.puid, s.pgid)
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if err != nil {
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return fmt.Errorf("chowning file: %w", err)
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}
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return nil
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}
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