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https://github.com/shadow1ng/fscan.git
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fix: 修复 Hub 广播 data race 和端口扫描潜在死锁,清理死代码
- hub.go: broadcast 路径 RLock 改 Lock,修复并发 delete/close 竞争 - port_scan.go: pool.Invoke 失败时释放 wg 和 semaphore,防止死锁 - web_scanner.go: 删除只写不读的 fingerprintCache - webtitle.go: 移除对已删除 SetFingerprints 的调用 - keylogger.go: 删除未使用的 stopChan 和 isRunning 字段
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+4
-1
@@ -252,7 +252,10 @@ func slidingWindowSchedule(iter *SocketIterator, pool *AdaptivePool, wg *sync.Wa
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port: port,
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semaphore: semaphore,
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}
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_ = pool.Invoke(task)
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if err := pool.Invoke(task); err != nil {
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<-semaphore
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wg.Done()
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}
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}
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// 等待所有任务完成
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@@ -276,30 +276,6 @@ func IsMarkedWebService(host string, port int) bool {
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return exists
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}
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// ===============================
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// 指纹缓存
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// ===============================
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// 指纹缓存 - 存储 host:port → 指纹列表的映射
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var (
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fingerprintCache = make(map[string][]string)
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fingerprintCacheMutex sync.RWMutex
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)
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// SetFingerprints 存储目标的指纹信息
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func SetFingerprints(host string, port int, fingerprints []string) {
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if len(fingerprints) == 0 {
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return
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}
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cacheKey := fmt.Sprintf("%s:%d", host, port)
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fingerprintCacheMutex.Lock()
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defer fingerprintCacheMutex.Unlock()
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fingerprintCache[cacheKey] = fingerprints
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}
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// ===============================
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// Web扫描策略
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// ===============================
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