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Merge pull request #15 from kubescape/rem-netstat
remove netstat dependency
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,41 +1,69 @@ | ||
| package test | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "fmt" | ||
| "os" | ||
| "os/exec" | ||
| "runtime" | ||
| "strconv" | ||
| "strings" | ||
| "syscall" | ||
|
|
||
| "github.com/cakturk/go-netstat/netstat" | ||
| ) | ||
|
|
||
| const windows = "windows" | ||
|
|
||
| func killPortProcess(targetPort int) error { | ||
| socks6, err := netstat.TCP6Socks(netstat.NoopFilter) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| socks, err := netstat.TCPSocks(netstat.NoopFilter) | ||
| processes, err := getProcessesForPort(targetPort) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| for _, sock := range append(socks6, socks...) { | ||
| if sock.LocalAddr.Port == uint16(targetPort) { | ||
| if sock.Process == nil { | ||
| continue | ||
|
|
||
| for _, pid := range processes { | ||
| fmt.Printf("Killing process on port %d with PID %d\n", targetPort, pid) | ||
|
|
||
| switch runtime.GOOS { | ||
| case windows: | ||
| killCmd := exec.Command("taskkill", "/F", "/PID", fmt.Sprint(pid)) | ||
| if err := killCmd.Run(); err != nil { | ||
| return err | ||
| } | ||
| pid := sock.Process.Pid | ||
| default: | ||
| process, err := os.FindProcess(pid) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| fmt.Println("Killing process of port", pid, targetPort) | ||
|
|
||
| // Send a SIGTERM signal to the process | ||
| err = process.Signal(syscall.SIGTERM) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| return nil | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func getProcessesForPort(targetPort int) ([]int, error) { | ||
| var cmd *exec.Cmd | ||
| processes := make([]int, 0) | ||
| switch runtime.GOOS { | ||
| case windows: | ||
| cmd = exec.Command("cmd", "/c", "netstat", "-ano", "|", "findstr", fmt.Sprintf(":%d", targetPort)) | ||
| default: | ||
| cmd = exec.Command("sh", "-c", fmt.Sprintf("lsof -i tcp:%d | awk 'NR!=1 {print $2}'", targetPort)) | ||
| } | ||
| output, err := cmd.Output() | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| scanner := bufio.NewScanner(strings.NewReader(string(output))) | ||
| for scanner.Scan() { | ||
| pidStr := scanner.Text() | ||
| pidStr = strings.TrimSpace(strings.Split(pidStr, " ")[0]) // Extracting PID from the output | ||
|
|
||
| pid, err := strconv.Atoi(pidStr) | ||
| if err != nil { | ||
| continue // Not a valid number, skip | ||
| } | ||
| processes = append(processes, pid) | ||
| } | ||
|
|
||
| return processes, scanner.Err() | ||
| } |