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DNS , ICMP Redirector

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Child process handle
This commit is contained in:
AmazingDM
2021-03-06 14:04:50 +08:00
parent 12559d8192
commit 4b3d6fb3bf
7 changed files with 303 additions and 94 deletions
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97
Netch/Controllers/NFController.cs
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@@ -20,9 +20,6 @@ namespace Netch.Controllers
private static readonly string BinDriver;
private static readonly string SystemDriver = $"{Environment.SystemDirectory}\\drivers\\netfilter2.sys";
private static string? _sysDns;
private OutboundAdapter? _outbound;
static NFController()
{
string fileName;
@@ -54,11 +51,11 @@ namespace Netch.Controllers
#region aio_dial
aio_dial((int) NameList.TYPE_FILTERLOOPBACK, "false");
aio_dial((int) NameList.TYPE_TCPLISN, Global.Settings.RedirectorTCPPort.ToString());
aio_dial((int)NameList.TYPE_FILTERLOOPBACK, "false");
aio_dial((int)NameList.TYPE_TCPLISN, Global.Settings.RedirectorTCPPort.ToString());
aio_dial((int) NameList.TYPE_FILTERUDP, (Global.Settings.ProcessProxyProtocol != PortType.TCP).ToString().ToLower());
aio_dial((int) NameList.TYPE_FILTERTCP, (Global.Settings.ProcessProxyProtocol != PortType.UDP).ToString().ToLower());
aio_dial((int)NameList.TYPE_FILTERUDP, (Global.Settings.ProcessProxyProtocol != PortType.TCP).ToString().ToLower());
aio_dial((int)NameList.TYPE_FILTERTCP, (Global.Settings.ProcessProxyProtocol != PortType.UDP).ToString().ToLower());
SetServer(Global.Settings.ProcessProxyProtocol);
if (!CheckRule(mode.FullRule, out var list))
@@ -68,16 +65,13 @@ namespace Netch.Controllers
#endregion
if (Global.Settings.ModifySystemDNS)
{
_outbound = new OutboundAdapter();
// 备份并替换系统 DNS
_sysDns = _outbound.DNS;
if (string.IsNullOrWhiteSpace(Global.Settings.ModifiedDNS))
Global.Settings.ModifiedDNS = "1.1.1.1,8.8.8.8";
if (Global.Settings.RedirectDNS)
aio_dial((int)NameList.TYPE_REDIRCTOR_DNS, Global.Settings.RedirectDNSAddr.ToString());
_outbound.DNS = Global.Settings.ModifiedDNS;
}
if (Global.Settings.RedirectICMP)
aio_dial((int)NameList.TYPE_REDIRCTOR_ICMP, Global.Settings.RedirectICMPAddr.ToString());
aio_dial((int)NameList.TYPE_FILTERCHILDPROC, Global.Settings.ChildProcessHandle.ToString());
if (!aio_init())
throw new MessageException("Redirector Start failed, run Netch with \"-console\" argument");
@@ -85,13 +79,6 @@ namespace Netch.Controllers
public void Stop()
{
Task.Run(() =>
{
if (Global.Settings.ModifySystemDNS)
//恢复系统DNS
_outbound!.DNS = _sysDns!;
});
aio_free();
}
@@ -103,7 +90,7 @@ namespace Netch.Controllers
public static bool CheckRule(IEnumerable<string> rules, out IEnumerable<string> incompatibleRule)
{
incompatibleRule = rules.Where(r => !CheckCppRegex(r, false));
aio_dial((int) NameList.TYPE_CLRNAME, "");
aio_dial((int)NameList.TYPE_CLRNAME, "");
return !incompatibleRule.Any();
}
@@ -117,14 +104,14 @@ namespace Netch.Controllers
try
{
if (r.StartsWith("!"))
return aio_dial((int) NameList.TYPE_ADDNAME, r.Substring(1));
return aio_dial((int)NameList.TYPE_ADDNAME, r.Substring(1));
return aio_dial((int) NameList.TYPE_ADDNAME, r);
return aio_dial((int)NameList.TYPE_ADDNAME, r);
}
finally
{
if (clear)
aio_dial((int) NameList.TYPE_CLRNAME, "");
aio_dial((int)NameList.TYPE_CLRNAME, "");
}
}
@@ -194,50 +181,50 @@ namespace Netch.Controllers
if (server is Socks5 socks5)
{
aio_dial((int) NameList.TYPE_TCPTYPE + offset, "Socks5");
aio_dial((int) NameList.TYPE_TCPHOST + offset, $"{socks5.AutoResolveHostname()}:{socks5.Port}");
aio_dial((int) NameList.TYPE_TCPUSER + offset, socks5.Username ?? string.Empty);
aio_dial((int) NameList.TYPE_TCPPASS + offset, socks5.Password ?? string.Empty);
aio_dial((int) NameList.TYPE_TCPMETH + offset, string.Empty);
aio_dial((int)NameList.TYPE_TCPTYPE + offset, "Socks5");
aio_dial((int)NameList.TYPE_TCPHOST + offset, $"{socks5.AutoResolveHostname()}:{socks5.Port}");
aio_dial((int)NameList.TYPE_TCPUSER + offset, socks5.Username ?? string.Empty);
aio_dial((int)NameList.TYPE_TCPPASS + offset, socks5.Password ?? string.Empty);
aio_dial((int)NameList.TYPE_TCPMETH + offset, string.Empty);
}
else if (server is Shadowsocks shadowsocks && !shadowsocks.HasPlugin() && Global.Settings.RedirectorSS)
{
aio_dial((int) NameList.TYPE_TCPTYPE + offset, "Shadowsocks");
aio_dial((int) NameList.TYPE_TCPHOST + offset, $"{shadowsocks.AutoResolveHostname()}:{shadowsocks.Port}");
aio_dial((int) NameList.TYPE_TCPMETH + offset, shadowsocks.EncryptMethod ?? string.Empty);
aio_dial((int) NameList.TYPE_TCPPASS + offset, shadowsocks.Password ?? string.Empty);
aio_dial((int)NameList.TYPE_TCPTYPE + offset, "Shadowsocks");
aio_dial((int)NameList.TYPE_TCPHOST + offset, $"{shadowsocks.AutoResolveHostname()}:{shadowsocks.Port}");
aio_dial((int)NameList.TYPE_TCPMETH + offset, shadowsocks.EncryptMethod ?? string.Empty);
aio_dial((int)NameList.TYPE_TCPPASS + offset, shadowsocks.Password ?? string.Empty);
}
else
{
aio_dial((int) NameList.TYPE_TCPTYPE + offset, "Socks5");
aio_dial((int) NameList.TYPE_TCPHOST + offset, $"127.0.0.1:{controller.Socks5LocalPort()}");
aio_dial((int) NameList.TYPE_TCPUSER + offset, string.Empty);
aio_dial((int) NameList.TYPE_TCPPASS + offset, string.Empty);
aio_dial((int) NameList.TYPE_TCPMETH + offset, string.Empty);
aio_dial((int)NameList.TYPE_TCPTYPE + offset, "Socks5");
aio_dial((int)NameList.TYPE_TCPHOST + offset, $"127.0.0.1:{controller.Socks5LocalPort()}");
aio_dial((int)NameList.TYPE_TCPUSER + offset, string.Empty);
aio_dial((int)NameList.TYPE_TCPPASS + offset, string.Empty);
aio_dial((int)NameList.TYPE_TCPMETH + offset, string.Empty);
}
}
private void SetName(Mode mode)
{
aio_dial((int) NameList.TYPE_CLRNAME, "");
aio_dial((int)NameList.TYPE_CLRNAME, "");
foreach (var rule in mode.FullRule)
{
if (rule.StartsWith("!"))
{
aio_dial((int) NameList.TYPE_BYPNAME, rule.Substring(1));
aio_dial((int)NameList.TYPE_BYPNAME, rule.Substring(1));
continue;
}
aio_dial((int) NameList.TYPE_ADDNAME, rule);
aio_dial((int)NameList.TYPE_ADDNAME, rule);
}
aio_dial((int) NameList.TYPE_ADDNAME, @"NTT\.exe");
aio_dial((int) NameList.TYPE_BYPNAME, "^" + Global.NetchDir.ToRegexString() + @"((?!NTT\.exe).)*$");
aio_dial((int)NameList.TYPE_ADDNAME, @"NTT\.exe");
aio_dial((int)NameList.TYPE_BYPNAME, "^" + Global.NetchDir.ToRegexString() + @"((?!NTT\.exe).)*$");
}
#region NativeMethods
private const int UdpNameListOffset = (int) NameList.TYPE_UDPTYPE - (int) NameList.TYPE_TCPTYPE;
private const int UdpNameListOffset = (int)NameList.TYPE_UDPTYPE - (int)NameList.TYPE_TCPTYPE;
[DllImport("Redirector.bin", CallingConvention = CallingConvention.Cdecl)]
private static extern bool aio_dial(int name, [MarshalAs(UnmanagedType.LPWStr)] string value);
@@ -256,23 +243,37 @@ namespace Netch.Controllers
public enum NameList
{
//bool
TYPE_FILTERLOOPBACK,
TYPE_FILTERTCP,
TYPE_FILTERUDP,
TYPE_FILTERIP,
TYPE_FILTERCHILDPROC,//子进程捕获
TYPE_TCPLISN,
TYPE_TCPTYPE,
TYPE_TCPHOST,
TYPE_TCPUSER,
TYPE_TCPPASS,
TYPE_TCPMETH,
TYPE_UDPTYPE,
TYPE_UDPHOST,
TYPE_UDPUSER,
TYPE_UDPPASS,
TYPE_UDPMETH,
TYPE_ADDNAME,
TYPE_ADDFIP,
TYPE_BYPNAME,
TYPE_CLRNAME
TYPE_CLRNAME,
TYPE_CLRFIP,
//str addr x.x.x.x only ipv4
TYPE_REDIRCTOR_DNS,
TYPE_REDIRCTOR_ICMP
}
#endregion