Method config

server.go:118–177

(ctx Context)

}

func (srv *Server) config(ctx Context) *gossh.ServerConfig {
	srv.mu.RLock()
	defer srv.mu.RUnlock()

	var config *gossh.ServerConfig
	if srv.ServerConfigCallback == nil {
		config = &gossh.ServerConfig{}
	} else {
		config = srv.ServerConfigCallback(ctx)
	}
	for _, signer := range srv.HostSigners {
		config.AddHostKey(signer)
	}
	if srv.PasswordHandler == nil && srv.PublicKeyHandler == nil && srv.KeyboardInteractiveHandler == nil {
		config.NoClientAuth = true
	}
	if srv.Version != "" {
		config.ServerVersion = "SSH-2.0-" + srv.Version
	}
	if srv.Banner != "" {
		config.BannerCallback = func(_ gossh.ConnMetadata) string {
			return srv.Banner
		}
	}
	if srv.BannerHandler != nil {
		config.BannerCallback = func(conn gossh.ConnMetadata) string {
			applyConnMetadata(ctx, conn)
			return srv.BannerHandler(ctx)
		}
	}
	if srv.PasswordHandler != nil {
		config.PasswordCallback = func(conn gossh.ConnMetadata, password []byte) (*gossh.Permissions, error) {
			applyConnMetadata(ctx, conn)
			if ok := srv.PasswordHandler(ctx, string(password)); !ok {
				return ctx.Permissions().Permissions, fmt.Errorf("permission denied")
			}
			return ctx.Permissions().Permissions, nil
		}
	}
	if srv.PublicKeyHandler != nil {
		config.PublicKeyCallback = func(conn gossh.ConnMetadata, key gossh.PublicKey) (*gossh.Permissions, error) {
			applyConnMetadata(ctx, conn)
			if ok := srv.PublicKeyHandler(ctx, key); !ok {
				return ctx.Permissions().Permissions, fmt.Errorf("permission denied")
			}
			ctx.SetValue(ContextKeyPublicKey, key)
			return ctx.Permissions().Permissions, nil
		}
	}
	if srv.KeyboardInteractiveHandler != nil {
		config.KeyboardInteractiveCallback = func(conn gossh.ConnMetadata, challenger gossh.KeyboardInteractiveChallenge) (*gossh.Permissions, error) {
			applyConnMetadata(ctx, conn)
			if ok := srv.KeyboardInteractiveHandler(ctx, challenger); !ok {
				return ctx.Permissions().Permissions, fmt.Errorf("permission denied")
			}
			return ctx.Permissions().Permissions, nil
		}
	}