linter
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@ -5,13 +5,9 @@ import (
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"fmt"
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"io/ioutil"
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"net"
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"os"
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"os/exec"
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"runtime"
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"strconv"
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"strings"
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"syscall"
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"time"
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"github.com/AdguardTeam/golibs/file"
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"github.com/AdguardTeam/golibs/log"
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@ -174,24 +170,6 @@ func getFullIP(ifaceName string) string {
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return fields[3]
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}
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// Get interface name by its IP address.
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func getInterfaceByIP(ip string) string {
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ifaces, err := getValidNetInterfacesForWeb()
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if err != nil {
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return ""
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}
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for _, iface := range ifaces {
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for _, addr := range iface.Addresses {
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if ip == addr {
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return iface.Name
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}
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}
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}
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return ""
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}
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// Get gateway IP address
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func getGatewayIP(ifaceName string) string {
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cmd := exec.Command("ip", "route", "show", "dev", ifaceName)
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@ -263,55 +241,3 @@ func setStaticIPDhcpcdConf(ifaceName, ip, gatewayIP, dnsIP string) string {
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return string(body)
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}
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// checkPortAvailable is not a cheap test to see if the port is bindable, because it's actually doing the bind momentarily
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func checkPortAvailable(host string, port int) error {
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ln, err := net.Listen("tcp", net.JoinHostPort(host, strconv.Itoa(port)))
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if err != nil {
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return err
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}
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ln.Close()
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// It seems that net.Listener.Close() doesn't close file descriptors right away.
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// We wait for some time and hope that this fd will be closed.
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time.Sleep(100 * time.Millisecond)
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return nil
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}
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func checkPacketPortAvailable(host string, port int) error {
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ln, err := net.ListenPacket("udp", net.JoinHostPort(host, strconv.Itoa(port)))
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if err != nil {
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return err
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}
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ln.Close()
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// It seems that net.Listener.Close() doesn't close file descriptors right away.
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// We wait for some time and hope that this fd will be closed.
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time.Sleep(100 * time.Millisecond)
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return err
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}
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// check if error is "address already in use"
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func errorIsAddrInUse(err error) bool {
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errOpError, ok := err.(*net.OpError)
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if !ok {
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return false
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}
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errSyscallError, ok := errOpError.Err.(*os.SyscallError)
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if !ok {
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return false
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}
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errErrno, ok := errSyscallError.Err.(syscall.Errno)
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if !ok {
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return false
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}
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if runtime.GOOS == "windows" {
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const WSAEADDRINUSE = 10048
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return errErrno == WSAEADDRINUSE
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}
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return errErrno == syscall.EADDRINUSE
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}
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