| 33 | } |
| 34 | |
| 35 | func UAPIOpen(name string) (*os.File, error) { |
| 36 | if err := os.MkdirAll(socketDirectory, 0o755); err != nil { |
| 37 | return nil, err |
| 38 | } |
| 39 | |
| 40 | socketPath := sockPath(name) |
| 41 | addr, err := net.ResolveUnixAddr("unix", socketPath) |
| 42 | if err != nil { |
| 43 | return nil, err |
| 44 | } |
| 45 | |
| 46 | oldUmask := unix.Umask(0o077) |
| 47 | defer unix.Umask(oldUmask) |
| 48 | |
| 49 | listener, err := net.ListenUnix("unix", addr) |
| 50 | if err == nil { |
| 51 | return listener.File() |
| 52 | } |
| 53 | |
| 54 | // Test socket, if not in use cleanup and try again. |
| 55 | if _, err := net.Dial("unix", socketPath); err == nil { |
| 56 | return nil, errors.New("unix socket in use") |
| 57 | } |
| 58 | if err := os.Remove(socketPath); err != nil { |
| 59 | return nil, err |
| 60 | } |
| 61 | listener, err = net.ListenUnix("unix", addr) |
| 62 | if err != nil { |
| 63 | return nil, err |
| 64 | } |
| 65 | return listener.File() |
| 66 | } |
| 67 | |
| 68 | func UAPIDial(name string) (net.Conn, error) { |
| 69 | socketPath := sockPath(name) |