啟用禁用外網，啟用禁用
接著上次的小工具啟用禁用外網，也不是什麼高技術含量的，拿來用就行了，所以這裡就不多說明，代碼裡有簡單介紹
啟用禁用外網方法
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public bool ForbiddenNetWork(bool isForbidden)
{
try
{
//禁用dns
if (isForbidden)
{
//如果雙網卡：114.114.114.114|115.115.115.115|116.116.116.116 8.8.8.8
List<string[]> getDNSList = NetWorkSettingHelper.GetDNS();
if (getDNSList.Count <= 0)
{
VertifyPwd.isWlan = !setConfig.isForbiddenNetWork;
ErrorCollectHelper.InfoLog("禁用DNS", "獲取DNS為空，不做任何設置");
return false;
}
//禁用dns
List<string[]> newgateways = new List<string[]>();
for (int j = 0; j < getDNSList.Count; j++)
{
//strDns網卡：114.114.114.114|115.115.115.115|116.116.116.116
string[] strDns = getDNSList[j];
//禁用dns
string[] forbiddenDns = new string[strDns.Length];
for (int i = 0; i < strDns.Length; i++)
{
//dns:1.1.1.1
forbiddenDns[i] = string.Format("{0}.{0}.{0}.{0}", i + 1);
}
//需要設置禁用的dns為1.1.1.1，默認不處理
if (string.Equals(string.Join("|", strDns), string.Join("|", forbiddenDns), StringComparison.OrdinalIgnoreCase))
{
VertifyPwd.isWlan = !setConfig.isForbiddenNetWork;
ErrorCollectHelper.InfoLog("禁用DNS", "DNS為1.1.1.1等默認值，不做任何設置");
return false;
}
else//保存dns狀態,可能多網卡，目前最多考慮雙網卡
{
if (j == 0)
{
setConfig.dns0 = string.Join("|", strDns);
}
else if (j == 1)
{
setConfig.dns1 = string.Join("|", strDns);
}
}
//禁用dns
newgateways.Add(forbiddenDns);
}
NetWorkSettingHelper.SetDNS(newgateways);
//保存dns
setConfig.isForbiddenNetWork = true;
VertifyPwd.isWlan = false;
setConfig.Save();
}
else//啟用dns
{
//默認最多考慮雙網卡
List<string[]> getDNSList = new List<string[]>();
if (!string.IsNullOrEmpty(setConfig.dns0))
{
getDNSList.Add(setConfig.dns0.Split('|'));
}
if (!string.IsNullOrEmpty(setConfig.dns1))
{
getDNSList.Add(setConfig.dns1.Split('|'));
}
if (getDNSList.Count > 0)
{
NetWorkSettingHelper.SetDNS(getDNSList);
setConfig.isForbiddenNetWork = false;
VertifyPwd.isWlan = true;
setConfig.Save();
return true;
}
else
{
VertifyPwd.isWlan = !setConfig.isForbiddenNetWork;
ErrorCollectHelper.InfoLog("啟用DNS", "沒有找到保存的DNS，無法啟用");
return false;
}
}
return true;
}
catch (Exception ex)
{
ErrorCollectHelper.ErrorLog("設置網絡訪問錯誤", ex.ToString());
return false;
}
}
View Code
網絡設置的一個Helper
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public class NetWorkSettingHelper
{
public static void SetDNS(List<string[]> getways)
{
try
{
ManagementClass wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection moc = wmi.GetInstances();
ManagementBaseObject inPar = null;
ManagementBaseObject outPar = null;
int n = 0;
foreach (ManagementObject mo in moc)
{
//如果沒有啟用IP設置的網絡設備則跳過
if (!(bool)mo["IPEnabled"])
continue;
//設置網關地址
if (getways.Count > 0)
{
//如果dns為空，則if判斷永遠為false，因此注釋
//if (mo["DNSServerSearchOrder"] != null && (mo["DNSServerSearchOrder"] as String[])[0] != null)
//{
inPar = mo.GetMethodParameters("SetDNSServerSearchOrder");
inPar["DNSServerSearchOrder"] = getways[n++];
outPar = mo.InvokeMethod("SetDNSServerSearchOrder", inPar, null);
// }
}
mo.Clone();
}
}
catch (Exception ex)
{
throw ex;
}
}
public static List<string[]> GetDNS()
{
try
{
ManagementClass mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
ManagementObjectCollection nics = mc.GetInstances();
List<string[]> getways = new List<string[]>();
foreach (ManagementObject nic in nics)
{
if (Convert.ToBoolean(nic["ipEnabled"]))
{
if (nic["DNSServerSearchOrder"] != null && (nic["DNSServerSearchOrder"] as String[])[0] != null)
{
getways.Add(nic["DNSServerSearchOrder"] as String[]);
}
nic.Clone();
}
}
return getways;
}
catch (Exception ex)
{
throw ex;
}
}
}
View Code
初始默認dns存在配置文件裡，setConfig就是那個存儲的
(上一個是啟用禁用USB)
