2024-12-19 14:52:11 +08:00
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package Common
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import (
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"encoding/json"
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"fmt"
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"github.com/fatih/color"
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"io"
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"log"
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"os"
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"strings"
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"sync"
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"time"
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)
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// 记录扫描状态的全局变量
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var (
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Num int64 // 总任务数
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End int64 // 已完成数
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Results = make(chan *string) // 结果通道
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LogSucTime int64 // 最近成功日志时间
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LogErrTime int64 // 最近错误日志时间
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WaitTime int64 // 等待时间
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Silent bool // 静默模式
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Nocolor bool // 禁用颜色
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JsonOutput bool // JSON输出
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LogWG sync.WaitGroup // 日志同步等待组
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)
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// JsonText JSON输出的结构体
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type JsonText struct {
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Type string `json:"type"` // 消息类型
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Text string `json:"text"` // 消息内容
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}
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// init 初始化日志配置
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func init() {
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log.SetOutput(io.Discard)
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LogSucTime = time.Now().Unix()
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go SaveLog()
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}
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// LogSuccess 记录成功信息
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func LogSuccess(result string) {
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LogWG.Add(1)
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LogSucTime = time.Now().Unix()
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Results <- &result
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}
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// SaveLog 保存日志信息
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func SaveLog() {
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for result := range Results {
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// 打印日志
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if !Silent {
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if Nocolor {
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fmt.Println(*result)
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} else {
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switch {
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case strings.HasPrefix(*result, "[+] 信息扫描"):
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color.Green(*result)
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case strings.HasPrefix(*result, "[+]"):
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color.Red(*result)
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default:
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fmt.Println(*result)
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}
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}
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}
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// 保存到文件
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if IsSave {
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WriteFile(*result, Outputfile)
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}
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LogWG.Done()
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}
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}
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// WriteFile 写入文件
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func WriteFile(result string, filename string) {
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// 打开文件
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fl, err := os.OpenFile(filename, os.O_WRONLY|os.O_CREATE|os.O_APPEND, 0666)
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if err != nil {
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2024-12-21 17:21:41 +08:00
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fmt.Printf("[-] 打开文件失败 %s: %v\n", filename, err)
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2024-12-19 14:52:11 +08:00
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return
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}
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defer fl.Close()
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if JsonOutput {
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// 解析JSON格式
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var scantype, text string
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if strings.HasPrefix(result, "[+]") || strings.HasPrefix(result, "[*]") || strings.HasPrefix(result, "[-]") {
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index := strings.Index(result[4:], " ")
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if index == -1 {
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scantype = "msg"
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text = result[4:]
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} else {
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scantype = result[4 : 4+index]
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text = result[4+index+1:]
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}
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} else {
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scantype = "msg"
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text = result
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}
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// 构造JSON对象
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jsonText := JsonText{
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Type: scantype,
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Text: text,
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}
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// 序列化JSON
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jsonData, err := json.Marshal(jsonText)
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if err != nil {
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2024-12-21 17:21:41 +08:00
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fmt.Printf("[-] JSON序列化失败: %v\n", err)
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2024-12-19 14:52:11 +08:00
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jsonText = JsonText{
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Type: "msg",
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Text: result,
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}
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jsonData, _ = json.Marshal(jsonText)
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}
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jsonData = append(jsonData, []byte(",\n")...)
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_, err = fl.Write(jsonData)
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} else {
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_, err = fl.Write([]byte(result + "\n"))
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}
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if err != nil {
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2024-12-21 17:21:41 +08:00
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fmt.Printf("[-] 写入文件失败 %s: %v\n", filename, err)
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2024-12-19 14:52:11 +08:00
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}
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}
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// LogError 记录错误信息
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func LogError(errinfo interface{}) {
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if WaitTime == 0 {
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fmt.Printf("[*] 已完成 %v/%v %v\n", End, Num, errinfo)
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} else if (time.Now().Unix()-LogSucTime) > WaitTime && (time.Now().Unix()-LogErrTime) > WaitTime {
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fmt.Printf("[*] 已完成 %v/%v %v\n", End, Num, errinfo)
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LogErrTime = time.Now().Unix()
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}
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}
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// CheckErrs 检查是否为已知错误
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func CheckErrs(err error) bool {
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if err == nil {
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return false
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}
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// 已知错误列表
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errs := []string{
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2024-12-19 16:11:04 +08:00
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"closed by the remote host", "too many connections",
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2024-12-20 21:01:56 +08:00
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"EOF", "A connection attempt failed",
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2024-12-19 16:11:04 +08:00
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"established connection failed", "connection attempt failed",
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"Unable to read", "is not allowed to connect to this",
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"no pg_hba.conf entry",
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"No connection could be made",
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"invalid packet size",
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"bad connection",
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2024-12-19 14:52:11 +08:00
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}
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// 检查错误是否匹配
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errLower := strings.ToLower(err.Error())
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for _, key := range errs {
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if strings.Contains(errLower, strings.ToLower(key)) {
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return true
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}
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}
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return false
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}
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