mirror of
https://github.com/shadow1ng/fscan.git
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219 lines
6.0 KiB
Go
219 lines
6.0 KiB
Go
package Core
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import (
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"fmt"
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"github.com/shadow1ng/fscan/Common"
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"strings"
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"sync"
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)
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// ServiceScanStrategy 服务扫描策略
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type ServiceScanStrategy struct{}
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// NewServiceScanStrategy 创建新的服务扫描策略
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func NewServiceScanStrategy() *ServiceScanStrategy {
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return &ServiceScanStrategy{}
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}
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// Name 返回策略名称
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func (s *ServiceScanStrategy) Name() string {
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return "服务扫描"
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}
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// Description 返回策略描述
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func (s *ServiceScanStrategy) Description() string {
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return "扫描主机服务和漏洞"
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}
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// Execute 执行服务扫描策略
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func (s *ServiceScanStrategy) Execute(info Common.HostInfo, ch *chan struct{}, wg *sync.WaitGroup) {
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// 验证扫描目标
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if info.Host == "" {
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Common.LogError("未指定扫描目标")
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return
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}
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// 验证插件配置
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if err := validateScanPlugins(); err != nil {
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Common.LogError(err.Error())
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return
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}
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// 解析目标主机
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hosts, err := Common.ParseIP(info.Host, Common.HostsFile, Common.ExcludeHosts)
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if err != nil {
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Common.LogError(fmt.Sprintf("解析主机错误: %v", err))
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return
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}
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Common.LogInfo("开始主机扫描")
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// 输出插件信息
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s.LogPluginInfo()
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// 执行主机扫描流程
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s.performHostScan(hosts, info, ch, wg)
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}
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// performHostScan 执行主机扫描的完整流程
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func (s *ServiceScanStrategy) performHostScan(hosts []string, info Common.HostInfo, ch *chan struct{}, wg *sync.WaitGroup) {
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var targetInfos []Common.HostInfo
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// 主机存活性检测和端口扫描
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if len(hosts) > 0 || len(Common.HostPort) > 0 {
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// 主机存活检测
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if s.shouldPerformLivenessCheck(hosts) {
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hosts = CheckLive(hosts, Common.UsePing)
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Common.LogInfo(fmt.Sprintf("存活主机数量: %d", len(hosts)))
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}
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// 端口扫描
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alivePorts := s.discoverAlivePorts(hosts)
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if len(alivePorts) > 0 {
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targetInfos = s.convertToTargetInfos(alivePorts, info)
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}
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}
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// 执行漏洞扫描
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if len(targetInfos) > 0 {
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Common.LogInfo("开始漏洞扫描")
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ExecuteScanTasks(targetInfos, s, ch, wg)
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}
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}
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// shouldPerformLivenessCheck 判断是否需要执行存活性检测
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func (s *ServiceScanStrategy) shouldPerformLivenessCheck(hosts []string) bool {
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return Common.DisablePing == false && len(hosts) > 1
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}
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// discoverAlivePorts 发现存活的端口
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func (s *ServiceScanStrategy) discoverAlivePorts(hosts []string) []string {
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var alivePorts []string
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// 根据扫描模式选择端口扫描方式
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if len(hosts) > 0 {
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alivePorts = EnhancedPortScan(hosts, Common.Ports, Common.Timeout)
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Common.LogInfo(fmt.Sprintf("存活端口数量: %d", len(alivePorts)))
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}
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// 合并额外指定的端口
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if len(Common.HostPort) > 0 {
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alivePorts = append(alivePorts, Common.HostPort...)
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alivePorts = Common.RemoveDuplicate(alivePorts)
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Common.HostPort = nil
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Common.LogInfo(fmt.Sprintf("存活端口数量: %d", len(alivePorts)))
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}
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return alivePorts
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}
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// PrepareTargets 准备目标信息
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func (s *ServiceScanStrategy) PrepareTargets(info Common.HostInfo) []Common.HostInfo {
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// 解析目标主机
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hosts, err := Common.ParseIP(info.Host, Common.HostsFile, Common.ExcludeHosts)
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if err != nil {
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Common.LogError(fmt.Sprintf("解析主机错误: %v", err))
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return nil
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}
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var targetInfos []Common.HostInfo
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// 主机存活性检测和端口扫描
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if len(hosts) > 0 || len(Common.HostPort) > 0 {
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// 主机存活检测
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if s.shouldPerformLivenessCheck(hosts) {
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hosts = CheckLive(hosts, Common.UsePing)
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}
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// 端口扫描
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alivePorts := s.discoverAlivePorts(hosts)
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if len(alivePorts) > 0 {
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targetInfos = s.convertToTargetInfos(alivePorts, info)
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}
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}
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return targetInfos
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}
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// convertToTargetInfos 将端口列表转换为目标信息
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func (s *ServiceScanStrategy) convertToTargetInfos(ports []string, baseInfo Common.HostInfo) []Common.HostInfo {
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var infos []Common.HostInfo
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for _, targetIP := range ports {
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hostParts := strings.Split(targetIP, ":")
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if len(hostParts) != 2 {
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Common.LogError(fmt.Sprintf("无效的目标地址格式: %s", targetIP))
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continue
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}
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info := baseInfo
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info.Host = hostParts[0]
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info.Ports = hostParts[1]
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infos = append(infos, info)
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}
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return infos
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}
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// GetPlugins 获取服务扫描插件列表
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func (s *ServiceScanStrategy) GetPlugins() ([]string, bool) {
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// 如果指定了插件列表且不是"all"
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if Common.ScanMode != "" && Common.ScanMode != "all" {
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plugins := parsePluginList(Common.ScanMode)
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if len(plugins) > 0 {
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return plugins, true
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}
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return []string{Common.ScanMode}, true
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}
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// 未指定或使用"all":获取所有插件,由IsPluginApplicable做类型过滤
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return GetAllPlugins(), false
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}
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// LogPluginInfo 输出服务扫描插件信息
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func (s *ServiceScanStrategy) LogPluginInfo() {
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allPlugins, isCustomMode := s.GetPlugins()
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// 如果是自定义模式,直接显示用户指定的插件
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if isCustomMode {
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Common.LogInfo(fmt.Sprintf("使用指定插件: %s", strings.Join(allPlugins, ", ")))
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return
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}
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// 在自动模式下,过滤掉本地插件,只显示服务类型插件
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var applicablePlugins []string
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for _, pluginName := range allPlugins {
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plugin, exists := Common.PluginManager[pluginName]
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if exists && !plugin.HasType(Common.PluginTypeLocal) {
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applicablePlugins = append(applicablePlugins, pluginName)
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}
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}
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if len(applicablePlugins) > 0 {
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Common.LogInfo(fmt.Sprintf("使用服务插件: %s", strings.Join(applicablePlugins, ", ")))
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} else {
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Common.LogInfo("未找到可用的服务插件")
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}
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}
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// IsPluginApplicable 判断插件是否适用于服务扫描
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func (s *ServiceScanStrategy) IsPluginApplicable(plugin Common.ScanPlugin, targetPort int, isCustomMode bool) bool {
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// 自定义模式下运行所有明确指定的插件
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if isCustomMode {
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return true
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}
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// 非自定义模式下,排除本地插件
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if plugin.HasType(Common.PluginTypeLocal) {
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return false
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}
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// 检查端口是否匹配
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if len(plugin.Ports) > 0 && targetPort > 0 {
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return plugin.HasPort(targetPort)
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}
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// 无端口限制的插件或适用于服务扫描的插件
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return len(plugin.Ports) == 0 || plugin.HasType(Common.PluginTypeService)
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}
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