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Bootstrap DNS (#8160)

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Also fix the handling of IPv6 domains
This commit is contained in:
DHR60
2025-10-21 17:28:48 +08:00
committed by GitHub
parent 91bca3a7ae
commit 07e173eab1
17 changed files with 280 additions and 82 deletions
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v2rayN/ServiceLib/Services/CoreConfig/Singbox/SingboxDnsService.cs
+18 -63
View File
@@ -138,12 +138,7 @@ public partial class CoreConfigSingboxService
private async Task<Server4Sbox> GenDnsDomains(SingboxConfig singboxConfig, SimpleDNSItem? simpleDNSItem)
{
var finalDnsAddress = "local";
if (_config.TunModeItem.EnableTun)
{
finalDnsAddress = "dhcp://auto";
}
var finalDns = ParseDnsAddress(finalDnsAddress);
var finalDns = ParseDnsAddress(simpleDNSItem.BootstrapDNS);
finalDns.tag = Global.SingboxLocalDNSTag;
singboxConfig.dns ??= new Dns4Sbox();
singboxConfig.dns.servers ??= new List<Server4Sbox>();
@@ -459,15 +454,19 @@ public partial class CoreConfigSingboxService
return server;
}
if (addressFirst.StartsWith("dhcp://", StringComparison.OrdinalIgnoreCase))
var (domain, scheme, port, path) = Utils.ParseUrl(addressFirst);
if (scheme.Equals("dhcp", StringComparison.OrdinalIgnoreCase))
{
var interface_name = addressFirst.Substring(7);
server.type = "dhcp";
server.Interface = interface_name == "auto" ? null : interface_name;
if ((!domain.IsNullOrEmpty()) && domain != "auto")
{
server.server = domain;
}
return server;
}
if (!addressFirst.Contains("://"))
if (scheme.IsNullOrEmpty())
{
// udp dns
server.type = "udp";
@@ -475,63 +474,19 @@ public partial class CoreConfigSingboxService
return server;
}
try
//server.type = scheme.ToLower();
// remove "+local" suffix
// TODO: "+local" suffix decide server.detour = "direct" ?
server.type = scheme.Replace("+local", "", StringComparison.OrdinalIgnoreCase).ToLower();
server.server = domain;
if (port != 0)
{
var protocolEndIndex = addressFirst.IndexOf("://", StringComparison.Ordinal);
server.type = addressFirst.Substring(0, protocolEndIndex).ToLower();
var uri = new Uri(addressFirst);
server.server = uri.Host;
if (!uri.IsDefaultPort)
{
server.server_port = uri.Port;
}
if ((server.type == "https" || server.type == "h3") && !string.IsNullOrEmpty(uri.AbsolutePath) && uri.AbsolutePath != "/")
{
server.path = uri.AbsolutePath;
}
server.server_port = port;
}
catch (UriFormatException)
if ((server.type == "https" || server.type == "h3") && !string.IsNullOrEmpty(path) && path != "/")
{
var protocolEndIndex = addressFirst.IndexOf("://", StringComparison.Ordinal);
if (protocolEndIndex > 0)
{
server.type = addressFirst.Substring(0, protocolEndIndex).ToLower();
var remaining = addressFirst.Substring(protocolEndIndex + 3);
var portIndex = remaining.IndexOf(':');
var pathIndex = remaining.IndexOf('/');
if (portIndex > 0)
{
server.server = remaining.Substring(0, portIndex);
var portPart = pathIndex > portIndex
? remaining.Substring(portIndex + 1, pathIndex - portIndex - 1)
: remaining.Substring(portIndex + 1);
if (int.TryParse(portPart, out var parsedPort))
{
server.server_port = parsedPort;
}
}
else if (pathIndex > 0)
{
server.server = remaining.Substring(0, pathIndex);
}
else
{
server.server = remaining;
}
if (pathIndex > 0 && (server.type == "https" || server.type == "h3"))
{
server.path = remaining.Substring(pathIndex);
}
}
server.path = path;
}
return server;
}
}
v2rayN/ServiceLib/Services/CoreConfig/V2ray/V2rayDnsService.cs
+33
View File
@@ -103,6 +103,35 @@ public partial class CoreConfigV2rayService
var expectedIPs = new List<string>();
var regionNames = new HashSet<string>();
var bootstrapDNSAddress = ParseDnsAddresses(simpleDNSItem?.BootstrapDNS, Global.DomainPureIPDNSAddress.FirstOrDefault());
var dnsServerDomains = new List<string>();
foreach (var dns in directDNSAddress)
{
var (domain, _, _, _) = Utils.ParseUrl(dns);
if (domain == "localhost")
{
continue;
}
if (Utils.IsDomain(domain))
{
dnsServerDomains.Add($"full:{domain}");
}
}
foreach (var dns in remoteDNSAddress)
{
var (domain, _, _, _) = Utils.ParseUrl(dns);
if (domain == "localhost")
{
continue;
}
if (Utils.IsDomain(domain))
{
dnsServerDomains.Add($"full:{domain}");
}
}
dnsServerDomains = dnsServerDomains.Distinct().ToList();
if (!string.IsNullOrEmpty(simpleDNSItem?.DirectExpectedIPs))
{
expectedIPs = simpleDNSItem.DirectExpectedIPs
@@ -217,6 +246,10 @@ public partial class CoreConfigV2rayService
AddDnsServers(remoteDNSAddress, proxyGeositeList);
AddDnsServers(directDNSAddress, directGeositeList);
AddDnsServers(directDNSAddress, expectedDomainList, expectedIPs);
if (dnsServerDomains.Count > 0)
{
AddDnsServers(bootstrapDNSAddress, dnsServerDomains);
}
var useDirectDns = rules?.LastOrDefault() is { } lastRule
&& lastRule.OutboundTag == Global.DirectTag