Example #1
0
// Listen starts a SSH server listens on given port.
func Listen(port int) {
	config := &ssh.ServerConfig{
		PublicKeyCallback: func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
			pkey, err := models.SearchPublicKeyByContent(strings.TrimSpace(string(ssh.MarshalAuthorizedKey(key))))
			if err != nil {
				log.Error(3, "SearchPublicKeyByContent: %v", err)
				return nil, err
			}
			return &ssh.Permissions{Extensions: map[string]string{"key-id": com.ToStr(pkey.ID)}}, nil
		},
	}

	keyPath := filepath.Join(setting.AppDataPath, "ssh/gogs.rsa")
	if !com.IsExist(keyPath) {
		os.MkdirAll(filepath.Dir(keyPath), os.ModePerm)
		_, stderr, err := com.ExecCmd("ssh-keygen", "-f", keyPath, "-t", "rsa", "-N", "")
		if err != nil {
			panic(fmt.Sprintf("Fail to generate private key: %v - %s", err, stderr))
		}
		log.Trace("New private key is generateed: %s", keyPath)
	}

	privateBytes, err := ioutil.ReadFile(keyPath)
	if err != nil {
		panic("Fail to load private key")
	}
	private, err := ssh.ParsePrivateKey(privateBytes)
	if err != nil {
		panic("Fail to parse private key")
	}
	config.AddHostKey(private)

	go listen(config, port)
}
Example #2
0
File: ssh.go Project: hopehook/gogs
// Listen starts a SSH server listens on given port.
func Listen(port int) {
	config := &ssh.ServerConfig{
		PublicKeyCallback: func(conn ssh.ConnMetadata, key ssh.PublicKey) (*ssh.Permissions, error) {
			pkey, err := models.SearchPublicKeyByContent(strings.TrimSpace(string(ssh.MarshalAuthorizedKey(key))))
			if err != nil {
				log.Error(3, "SearchPublicKeyByContent: %v", err)
				return nil, err
			}
			return &ssh.Permissions{Extensions: map[string]string{"key-id": com.ToStr(pkey.ID)}}, nil
		},
	}

	privateBytes, err := ioutil.ReadFile(filepath.Join(models.SSHPath, "id_rsa"))
	if err != nil {
		panic("Fail to load private key")
	}
	private, err := ssh.ParsePrivateKey(privateBytes)
	if err != nil {
		panic("Fail to parse private key")
	}
	config.AddHostKey(private)

	go listen(config, port)
}