110 lines
2.3 KiB
Go
110 lines
2.3 KiB
Go
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package main
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import (
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"bufio"
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"bytes"
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"flag"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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func main() {
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log.SetOutput(os.Stdout)
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shell := flag.String("s", "", "shell Command or shell file path")
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port := flag.Int("p", 21017, "port")
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host := flag.String("host", "0.0.0.0", "Bind TCP Address")
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flag.Parse()
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if *shell == "" {
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log.Fatalf("No shell Command specified")
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}
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shells := loadData(*shell)
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log.Println("******************************************************************")
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log.Printf("** %-60s**", "Exec shell Server")
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log.Printf("** Listen on %-50s**", fmt.Sprintf("%s:%d...", *host, *port))
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addr := fmt.Sprintf("%s:%d", *host, *port)
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if strings.Contains(addr, "0.0.0.0") {
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addr = strings.Replace(addr, "0.0.0.0", "", 1)
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*host = strings.Replace(*host, "0.0.0.0", "127.0.0.1", 1)
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}
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log.Printf("** Shell Command: %-44s **", fmt.Sprintf("%q", shells))
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log.Printf("** You can use %-48s**", fmt.Sprintf("http://%s:%d exec the shell", *host, *port))
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log.Println("******************************************************************")
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http.HandleFunc("/", func(res http.ResponseWriter, req *http.Request) {
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for _, str := range shells {
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exec_shell(str)
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}
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res.Write([]byte("Done!"))
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})
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if err := http.ListenAndServe(addr, nil); err != nil {
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log.Fatal("ListenAndServe：", err)
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}
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}
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func exec_shell(s string) {
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log.Printf("exec shell: %s", s)
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cmd := exec.Command("/bin/bash", "-c", s)
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var out bytes.Buffer
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cmd.Stdout = &out
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err := cmd.Run()
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if err != nil {
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log.Fatalf("exec shell error: %v", err)
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}
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fmt.Printf("%s", out.String())
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}
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func loadData(p string) []string {
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var values []string
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is, path := isPath(p)
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if is {
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fi, err := os.Open(path)
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if err != nil {
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log.Fatalf("Error: %s\n", err)
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}
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defer fi.Close()
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br := bufio.NewReader(fi)
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for {
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line, _, err := br.ReadLine()
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if err != nil || err == io.EOF {
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break
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}
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if strings.TrimSpace(string(line)) == "" {
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continue
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}
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values = append(values, string(line))
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}
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} else {
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values = append(values, p)
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}
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return values
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}
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func isPath(path string) (bool, string) {
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p, err := filepath.Abs("")
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if err != nil {
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log.Fatal(err)
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}
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absPath := filepath.Join(p, strings.Replace(path, p, "", 1))
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_, err = os.Stat(absPath)
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if err == nil {
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return true, absPath
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}
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return false, ""
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}
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