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Return error on DNS resolution when guest internet access is disabled (#2983)
* Return error on DNS resolution when guest internet access is disabled * Log DNS lookup calls
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79adba4402
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1 changed files with 27 additions and 0 deletions
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@ -245,6 +245,15 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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{
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{
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string host = MemoryHelper.ReadAsciiString(context.Memory, inputBufferPosition, (int)inputBufferSize);
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string host = MemoryHelper.ReadAsciiString(context.Memory, inputBufferPosition, (int)inputBufferSize);
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if (!context.Device.Configuration.EnableInternetAccess)
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{
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Logger.Info?.Print(LogClass.ServiceSfdnsres, $"Guest network access disabled, DNS Blocked: {host}");
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WriteResponse(context, withOptions, 0, GaiError.NoData, NetDbError.HostNotFound);
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return ResultCode.Success;
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}
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// TODO: Use params.
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// TODO: Use params.
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bool enableNsdResolve = (context.RequestData.ReadInt32() & 1) != 0;
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bool enableNsdResolve = (context.RequestData.ReadInt32() & 1) != 0;
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int timeOut = context.RequestData.ReadInt32();
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int timeOut = context.RequestData.ReadInt32();
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@ -331,6 +340,15 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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ulong optionsBufferPosition,
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ulong optionsBufferPosition,
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ulong optionsBufferSize)
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ulong optionsBufferSize)
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{
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{
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if (!context.Device.Configuration.EnableInternetAccess)
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{
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Logger.Info?.Print(LogClass.ServiceSfdnsres, $"Guest network access disabled, DNS Blocked.");
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WriteResponse(context, withOptions, 0, GaiError.NoData, NetDbError.HostNotFound);
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return ResultCode.Success;
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}
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byte[] rawIp = new byte[inputBufferSize];
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byte[] rawIp = new byte[inputBufferSize];
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context.Memory.Read(inputBufferPosition, rawIp);
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context.Memory.Read(inputBufferPosition, rawIp);
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@ -442,6 +460,15 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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string host = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[0].Position, (long)context.Request.SendBuff[0].Size);
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string host = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[0].Position, (long)context.Request.SendBuff[0].Size);
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string service = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[1].Position, (long)context.Request.SendBuff[1].Size);
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string service = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[1].Position, (long)context.Request.SendBuff[1].Size);
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if (!context.Device.Configuration.EnableInternetAccess)
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{
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Logger.Info?.Print(LogClass.ServiceSfdnsres, $"Guest network access disabled, DNS Blocked: {host}");
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WriteResponse(context, withOptions, 0, GaiError.NoData, NetDbError.HostNotFound);
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return ResultCode.Success;
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}
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// NOTE: We ignore hints for now.
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// NOTE: We ignore hints for now.
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DeserializeAddrInfos(context.Memory, (ulong)context.Request.SendBuff[2].Position, (ulong)context.Request.SendBuff[2].Size);
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DeserializeAddrInfos(context.Memory, (ulong)context.Request.SendBuff[2].Position, (ulong)context.Request.SendBuff[2].Size);
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