Golang 命令行自动设置网卡名称为LAN or WAN

fyxichen · · 1668 次点击 · · 开始浏览

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package main

import (
    "fmt"
    "net"
    "os"
    "os/exec"
    "strings"
)

func main() {
    if len(os.Args) != 2 {
        fmt.Printf("Usage:\n%s 110.10.25.0/24\n", os.Args[0])
        return
    }
    _, ipnet, err := net.ParseCIDR(os.Args[1])
    if err != nil {
        fmt.Printf("ParseIP Error:\n%s\n", err)
        return
    }
    intfs, err := net.Interfaces()
    if err != nil {
        fmt.Printf("Get Addr error:\n%s\n", err)
        return
    }

    _, LanIP10, _ := net.ParseCIDR("10.0.0.0/8")
    _, LanIP172, _ := net.ParseCIDR("172.18.0.0/16")
    _, LanIP192, _ := net.ParseCIDR("192.168.0.0/16")

    for _, intf := range intfs {
        list, _ := intf.Addrs()
        for _, addr := range list {
            if !strings.Contains(addr.String(), ":") {
                list := strings.Split(addr.String(), "/")
                if len(list) != 2 {
                    continue
                }
                i := net.ParseIP(list[0])
                if i == nil {
                    continue
                }
                if ipnet.Contains(i) {
                    fmt.Printf("WanIP: %s,oldname:%s\n", i, intf.Name)
                    fmt.Println("start rename to WAN")
                    rename(intf.Name, "WAN")
                    continue
                }
                if LanIP10.Contains(i) || LanIP172.Contains(i) || LanIP192.Contains(i) {
                    fmt.Printf("LanIP: %s,oldname:%s\n", i, intf.Name)
                    fmt.Println("start rename to LAN")
                    rename(intf.Name, "LAN")
                }
            }
        }
    }
}

func rename(oldname, newname string) {
    cmd := exec.Command("netsh", "interface", "set", "interface", "name", "=", oldname, "newname", "=", newname)
    out, err := cmd.Output()
    if err != nil {
        fmt.Println(err)
        return
    }
    fmt.Println(string(out))
}