public static void ResetDnsCmd()
{
var backupDnsAddr = Equals(DnsSettings.SecondDnsIp, IPAddress.Any)
? "" : DnsSettings.SecondDnsIp.ToString();
var cmd = "";
foreach (var network in GetAllNetworkInterfaces())
{
if (network.OperationalStatus != Up)
{
continue;
}
cmd += $"netsh interface ipv6 delete dns \"{network.Name}\" all" + Environment.NewLine;
cmd += $"netsh interface ip delete dns \"{network.Name}\" all" + Environment.NewLine;
cmd += $"netsh interface ip set dns \"{network.Name}\" source=dhcp" + Environment.NewLine;
try
{
if (!network.GetIPProperties().GetIPv4Properties().IsDhcpEnabled)
{
cmd +=
$"netsh interface ip set dns \"{network.Name}\" source=static addr={backupDnsAddr} validate=no" +
Environment.NewLine;
}
}
catch (Exception e)
{
MyTools.BackgroundLog(network.Name + e);
}
}
var filename = Path.GetTempPath() + "setdns.cmd";
File.Create(filename).Close();
File.WriteAllText(filename, cmd, Encoding.Default);
ProcessStartInfo startInfo = new ProcessStartInfo
{
FileName = filename,
Verb = "runas",
WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(startInfo).Exited += (o, args) => { File.Delete(filename); };
}
public static IPAddress ResolveNameIpAddress(string name)
{
if (IPAddress.TryParse(name.TrimEnd('.'), out _))
{
return(IPAddress.Parse(name.TrimEnd('.')));
}
while (true)
{
try
{
DnsRecordBase ipMsg;
if (DnsSettings.StartupOverDoH)
{
ipMsg = QueryResolve.ResolveOverHttpsByDnsJson(IPAddress.Any.ToString(),
name, "https://1.0.0.1/dns-query", DnsSettings.ProxyEnable, DnsSettings.WProxy).list[0];
}
else
{
ipMsg = new DnsClient(DnsSettings.SecondDnsIp, 5000).Resolve(DomainName.Parse(name))
.AnswerRecords[0];
}
if (ipMsg.RecordType == RecordType.A && ipMsg is ARecord msg1)
{
return(msg1.Address);
}
if (ipMsg.RecordType == RecordType.CName)
{
if (ipMsg is CNameRecord msg)
{
name = msg.CanonicalName.ToString();
}
}
}
catch (Exception e)
{
MyTools.BackgroundLog(e.ToString());
}
}
}
public static string GetIntIp()
{
try
{
return(new MyCurl.MWebClient().DownloadString(UrlSettings.WhatMyIpApi).Trim());
}
catch (Exception e)
{
MyTools.BackgroundLog("Try Connect:" + e);
try
{
return(new MyCurl.MIpBkWebClient().DownloadString(UrlSettings.WhatMyIpApi).Trim());
}
catch (Exception exception)
{
MyTools.BackgroundLog("Try Connect:" + exception);
return(MessageBox.Show($"Error: 尝试获取公网IP地址失败(WhatMyIP-API){Environment.NewLine}点击“确定”以重试连接,点击“取消”放弃连接使用预设地址。{Environment.NewLine}Original error: "
+ exception.Message, @"错误", MessageBoxButton.OKCancel) == MessageBoxResult.OK
? GetIntIp() : IPAddress.Any.ToString());
}
}
}
public static string GetLocIp()
{
var tcpClient = new TcpClient {
ReceiveTimeout = 2500, SendTimeout = 2500
};
var addressUri = new Uri(DnsSettings.HttpsDnsUrl);
try
{
tcpClient.Connect(addressUri.DnsSafeHost, addressUri.Port);
return(((IPEndPoint)tcpClient.Client.LocalEndPoint).Address.ToString());
}
catch (Exception e)
{
MyTools.BackgroundLog("Try Connect:" + e);
try
{
try
{
tcpClient.Connect(ResolveNameIpAddress(addressUri.DnsSafeHost), addressUri.Port);
return(((IPEndPoint)tcpClient.Client.LocalEndPoint).Address.ToString());
}
catch
{
addressUri = new Uri(DnsSettings.SecondHttpsDnsUrl);
tcpClient.Connect(ResolveNameIpAddress(addressUri.DnsSafeHost), addressUri.Port);
return(((IPEndPoint)tcpClient.Client.LocalEndPoint).Address.ToString());
}
}
catch
{
return(MessageBox.Show(
$"Error: 尝试连接远端 DNS over HTTPS 服务器发生错误{Environment.NewLine}点击“确定”以重试连接,点击“取消”放弃连接使用备用 DNS 服务器测试。" +
$"{Environment.NewLine}Original error: " + e.Message, @"错误", MessageBoxButton.OKCancel) == MessageBoxResult.OK
? GetLocIp() : GetLocIpUdp());
}
}
}
public static string GeoIpLocal(string ipStr, bool onlyCountryCode = false)
{
try
{
string locStr = new WebClient().DownloadString(IsIp(ipStr)
? $"{UrlSettings.GeoIpApi}{ipStr}": $"{UrlSettings.GeoIpApi}{Dns.GetHostAddresses(ipStr)[0]}");
JsonValue json = Json.Parse(locStr);
string countryCode;
string organization;
if (locStr.Contains("\"country_code\""))
{
countryCode = json.AsObjectGetString("country_code");
}
else if (locStr.Contains("\"countryCode\""))
{
countryCode = json.AsObjectGetString("countryCode");
}
else
{
countryCode = "";
}
if (locStr.Contains("\"organization\""))
{
organization = json.AsObjectGetString("organization");
}
else if (locStr.Contains("\"as\""))
{
organization = json.AsObjectGetString("as");
}
else if (locStr.Contains("\"org\""))
{
organization = json.AsObjectGetString("org");
}
else
{
organization = "";
}
if (!organization.ToUpper().Contains("AS") && locStr.Contains("\"asn\""))
{
try
{
organization = $"AS{json.AsObjectGetInt("asn")} {organization}";
}
catch
{
organization = $"AS{json.AsObjectGetString("asn")} {organization}";
}
}
if (onlyCountryCode)
{
return(countryCode);
}
return(countryCode + " " + organization);
}
catch (Exception e)
{
MyTools.BackgroundLog(@"| DownloadString failed : " + e);
return(null);
}
}
