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WMI设置DNS

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This commit is contained in:
xljiulang 2021-08-14 21:14:12 +08:00
parent 7f00d312ca
commit 19ed7a4537
2 changed files with 16 additions and 18 deletions
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1
FastGithub.Dns/FastGithub.Dns.csproj
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@ -7,6 +7,7 @@
<ItemGroup> <ItemGroup>
<PackageReference Include="DNS" Version="6.1.0" /> <PackageReference Include="DNS" Version="6.1.0" />
<PackageReference Include="Microsoft.Extensions.Hosting" Version="5.0.0" /> <PackageReference Include="Microsoft.Extensions.Hosting" Version="5.0.0" />
<PackageReference Include="System.Management" Version="5.0.0" />
</ItemGroup> </ItemGroup>
<ItemGroup> <ItemGroup>

33
FastGithub.Dns/SystemDnsUtil.cs
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@ -1,8 +1,8 @@
using FastGithub.Configuration; using FastGithub.Configuration;
using System; using System;
using System.Collections.Generic; using System.Collections.Generic;
using System.Diagnostics;
using System.Linq; using System.Linq;
using System.Management;
using System.Net; using System.Net;
using System.Net.NetworkInformation; using System.Net.NetworkInformation;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
@ -94,26 +94,23 @@ namespace FastGithub.Dns
/// </summary> /// </summary>
/// <param name="interface"></param> /// <param name="interface"></param>
/// <param name="nameServers"></param> /// <param name="nameServers"></param>
private static void SetNameServers(NetworkInterface @interface, IEnumerable<IPAddress> nameServers) /// <returns></returns>
private static bool SetNameServers(NetworkInterface @interface, IEnumerable<IPAddress> nameServers)
{ {
Netsh($@"interface ipv4 delete dns ""{@interface.Name}"" all"); var index = @interface.GetIPProperties().GetIPv4Properties().Index;
foreach (var address in nameServers) using var wmi = new ManagementClass("Win32_NetworkAdapterConfiguration");
foreach (ManagementObject adapter in wmi.GetInstances())
{ {
Netsh($@"interface ipv4 add dns ""{@interface.Name}"" {address} validate=no"); if ((int)(uint)adapter["InterfaceIndex"] == index)
{
var inParams = adapter.GetMethodParameters("SetDNSServerSearchOrder");
inParams["DNSServerSearchOrder"] = nameServers.Select(item => item.ToString()).ToArray();
adapter.InvokeMethod("SetDNSServerSearchOrder", inParams, null);
return true;
}
} }
static void Netsh(string arguments) return false;
{
var netsh = new ProcessStartInfo
{
FileName = "netsh.exe",
Arguments = arguments,
CreateNoWindow = true,
UseShellExecute = false,
WindowStyle = ProcessWindowStyle.Hidden
};
Process.Start(netsh)?.WaitForExit();
}
} }
} }
} }