newSSHCommand populates an exec.Cmd to run a command (or if blank, an interactive shell) over ssh.
(ctx context.Context, port int, dst string, cmdArgs []string, command []string)
| 63 | // newSSHCommand populates an exec.Cmd to run a command (or if blank, |
| 64 | // an interactive shell) over ssh. |
| 65 | func newSSHCommand(ctx context.Context, port int, dst string, cmdArgs []string, command []string) (*exec.Cmd, []string, error) { |
| 66 | connArgs := []string{ |
| 67 | "-p", strconv.Itoa(port), |
| 68 | "-o", "NoHostAuthenticationForLocalhost=yes", |
| 69 | "-o", "PasswordAuthentication=no", |
| 70 | } |
| 71 | |
| 72 | cmdArgs = append(cmdArgs, connArgs...) |
| 73 | cmdArgs = append(cmdArgs, "-C") // Compression |
| 74 | cmdArgs = append(cmdArgs, dst) // user@host |
| 75 | |
| 76 | if command != nil { |
| 77 | cmdArgs = append(cmdArgs, command...) |
| 78 | } |
| 79 | |
| 80 | exe, err := safeexec.LookPath("ssh") |
| 81 | if err != nil { |
| 82 | return nil, nil, fmt.Errorf("failed to execute ssh: %w", err) |
| 83 | } |
| 84 | |
| 85 | cmd := exec.CommandContext(ctx, exe, cmdArgs...) |
| 86 | cmd.Stdout = os.Stdout |
| 87 | cmd.Stdin = os.Stdin |
| 88 | cmd.Stderr = os.Stderr |
| 89 | |
| 90 | return cmd, connArgs, nil |
| 91 | } |
| 92 | |
| 93 | // ParseSSHArgs parses the given array of arguments into two distinct slices of flags and command. |
| 94 | // The ssh command syntax is: ssh [flags] user@host command [args...] |
no test coverage detected