From b50ab8c04f6ae6097701a2a2b0f3cd9226ad77e3 Mon Sep 17 00:00:00 2001
From: zhangzengfei <zhangzengfei@iotlink.com>
Date: 星期三, 30 十月 2019 15:19:23 +0800
Subject: [PATCH] fix: change network settings
---
extend/sys/system.go | 116 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 files changed, 116 insertions(+), 0 deletions(-)
diff --git a/extend/sys/system.go b/extend/sys/system.go
index 563d85b..526093e 100644
--- a/extend/sys/system.go
+++ b/extend/sys/system.go
@@ -1,14 +1,58 @@
package sys
import (
+ "encoding/json"
"errors"
+ "io/ioutil"
+ "net/http"
+ "net/url"
+ "os"
"os/exec"
+ "strconv"
+ "webserver/extend/config"
+ "webserver/extend/util"
"fmt"
"net"
"strings"
"time"
)
+
+func execRootCommand(cmd string) (bool, string) {
+ serverPort := config.Server.SysServerPort
+ if serverPort == "" {
+ serverPort = "18081"
+ }
+ sysConfigServer := fmt.Sprintf("http://127.0.0.1:%s/api/v1/command/exec", serverPort)
+ resp, err := http.PostForm(sysConfigServer, url.Values{"command": {cmd}})
+
+ if err != nil {
+ return false, err.Error()
+ }
+
+ defer resp.Body.Close()
+ body, err := ioutil.ReadAll(resp.Body)
+ if err != nil {
+ return false, err.Error()
+ }
+
+ type response struct {
+ Code int `json:"code"`
+ Success bool `json:"success"`
+ Msg string `json:"msg"`
+ CMD string `json:"cmd"`
+ Data string `json:"data"`
+ }
+
+ var rsp response
+ if err := json.Unmarshal(body, &rsp); err != nil {
+ return false, err.Error()
+ }
+
+ fmt.Println(body)
+ fmt.Println(rsp)
+ return rsp.Success, rsp.Data
+}
// 妫�鏌� root鏉冮檺
func CheckRootPermissions() bool {
@@ -20,6 +64,78 @@
return true
}
+// 鑾峰彇鏈満缃戝崱IP
+func GetLocalIP(networkName string) (ipv4 string, mask string, err error) {
+ interfaces, err := net.Interfaces()
+ if err != nil {
+ return "", "", err
+ }
+
+ for _, i := range interfaces {
+ byName, err := net.InterfaceByName(i.Name)
+ if err != nil {
+ return "", "", err
+ }
+ addresses, err := byName.Addrs()
+ for _, v := range addresses {
+ if ipnet, ok := v.(*net.IPNet); ok && !ipnet.IP.IsLoopback() {
+ if ipnet.IP.To4() != nil {
+ if byName.Name == networkName {
+ maskStr := ipnet.Mask.String()
+ mask64, _ := strconv.ParseUint(maskStr, 16, 32)
+ return ipnet.IP.String(), util.IpIntToString(int(mask64)), nil
+ }
+ }
+ }
+ }
+ }
+ return "", "", errors.New("ipv4 not found")
+}
+
+// 鑾峰彇鏈満缃戝叧ip
+func GetDefaultRoute(networkName string) (route string, err error) {
+ cmdStr := fmt.Sprintf("ip route show | grep -P \"^default.*%s\" | awk '{printf $3}'", networkName)
+ cmd := exec.Command("/bin/sh", "-c", cmdStr)
+ b, err := cmd.Output()
+ if err != nil {
+ return "", err
+ }
+
+ return string(b), nil
+}
+
+func GetDnsServer() (dns string, err error) {
+ cmd := exec.Command("/bin/sh", "-c", "cat /etc/resolv.conf | grep nameserver | head -1 |awk '{printf $2}'")
+ b, err := cmd.Output()
+ if err != nil {
+ return "", err
+ }
+
+ return string(b), nil
+}
+
+// 閰嶇疆鏈嶅姟鍣ㄧ綉缁�
+func SetNetworkConfig(ipv4, netmask, gateway, dns string) (bool, string) {
+ networkConfigScript := "/opt/vasystem/bin/netconfig"
+ ifname := config.Server.NetworkAdapter
+ localIPv4, localNetMask, _ := GetLocalIP(ifname)
+ localGW, _ := GetDefaultRoute(ifname)
+ localDNS, _ := GetDnsServer()
+
+ if localIPv4 == ipv4 && localNetMask == netmask && localGW == gateway && localDNS == dns {
+ return true, ""
+ }
+
+ // 妫�鏌ユ枃浠舵槸鍚﹀瓨鍦�
+ if _, err := os.Stat(networkConfigScript); err != nil {
+ return false, "network Config Script not exist"
+ }
+ // # netconfig enp59s0f0 192.168.1.2 255.255.255.0 192.168.1.1 192.168.100.1
+ cmdStr := fmt.Sprintf("%s %s %s %s %s %s", networkConfigScript, ifname, ipv4, netmask, gateway, dns)
+ // return exec.Command("/bin/sh", "-c", cmdStr).Run() == nil
+ return execRootCommand(cmdStr)
+}
+
// 閰嶇疆鏃跺尯
func TimeZone() (string, int64) {
cmd := exec.Command("/bin/sh", "-c", "echo -n $TZ")
--
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