func sshClientConfig(user string, checker *HostKeyChecker) (*gossh.ClientConfig, error) { agentClient, err := SSHAgentClient() if err != nil { return nil, err } signers, err := agentClient.Signers() if err != nil { return nil, err } cfg := gossh.ClientConfig{ User: user, Auth: []gossh.AuthMethod{ gossh.PublicKeys(signers...), }, } if checker != nil { cfg.HostKeyCallback = checker.Check } return &cfg, nil }