firewall

type Direction string

type FireForwardInfo struct {
	Port       uint     `json:"port"`        // 1-65535
	Protocol   Protocol `json:"protocol"`    // tcp udp tcp/udp
	TargetIP   string   `json:"target_ip"`   // 目标地址
	TargetPort uint     `json:"target_port"` // 1-65535
}

type FireInfo struct {
	Type      Type      `json:"type"`       // rich or normal
	Family    string    `json:"family"`     // ipv4 ipv6
	Address   string    `json:"address"`    // 源地址或目标地址
	PortStart uint      `json:"port_start"` // 1-65535
	PortEnd   uint      `json:"port_end"`   // 1-65535
	Protocol  Protocol  `json:"protocol"`   // tcp udp tcp/udp
	Strategy  Strategy  `json:"strategy"`   // accept drop reject mark
	Direction Direction `json:"direction"`  // in out 入站或出站
}

type Firewall interface {
	// Status 获取防火墙运行状态
	Status() (bool, error)
	// Enable 启用防火墙
	Enable() error
	// Disable 禁用防火墙
	Disable() error

	// ListRule 列出所有规则
	ListRule() ([]FireInfo, error)
	// Port 添加/删除端口规则
	Port(rule FireInfo, operation Operation) error
	// RichRules 添加/删除富规则（IP/高级规则）
	RichRules(rule FireInfo, operation Operation) error

	// ListForward 列出所有转发规则
	ListForward() ([]FireForwardInfo, error)
	// Forward 添加/删除转发规则
	Forward(rule Forward, operation Operation) error

	// PingStatus 获取 Ping 状态（true 为允许）
	PingStatus() (bool, error)
	// UpdatePingStatus 更新 Ping 状态
	UpdatePingStatus(status bool) error
}

type Forward struct {
	Protocol   Protocol `json:"protocol"`    // tcp udp tcp/udp
	Port       uint     `json:"port"`        // 1-65535
	TargetIP   string   `json:"target_ip"`   // 目标地址
	TargetPort uint     `json:"target_port"` // 1-65535
}

type Operation string

type Protocol string

type Strategy string

type Type string