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https://github.com/Ryujinx/Ryujinx.git
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92 lines
3.8 KiB
C#
92 lines
3.8 KiB
C#
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using Ryujinx.Common.Logging;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Ngct
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{
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static class NgctServer
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{
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public static ResultCode Match(ServiceCtx context)
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{
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// NOTE: Service load the values of sys:set ngc.t!functionality_override_enabled and ngc.t!auto_reload_enabled in internal fields.
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// Then it checks if ngc.t!functionality_override_enabled is enabled and if sys:set GetT is == 2.
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// If both conditions are true, it does this following code. Since we currently stub it, it's fine to don't check settings service values.
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long bufferPosition = context.Request.PtrBuff[0].Position;
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long bufferSize = context.Request.PtrBuff[0].Size;
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bool isMatch = false;
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string text = "";
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if (bufferSize != 0)
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{
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if (bufferSize > 1024)
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{
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isMatch = true;
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}
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else
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{
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byte[] buffer = new byte[bufferSize];
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context.Memory.Read((ulong)bufferPosition, buffer);
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text = Encoding.ASCII.GetString(buffer);
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// NOTE: Ngct use the archive 0100000000001034 which contains a words table. This is pushed on Chinese Switchs using Bcat service.
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// This call check if the string match with entries in the table and return the result if there is one (or more).
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// Since we don't want to hide bad words. It's fine to returns false here.
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isMatch = false;
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}
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}
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Logger.Stub?.PrintStub(LogClass.ServiceNgct, new { isMatch, text });
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context.ResponseData.Write(isMatch);
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return ResultCode.Success;
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}
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public static ResultCode Filter(ServiceCtx context)
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{
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// NOTE: Service load the values of sys:set ngc.t!functionality_override_enabled and ngc.t!auto_reload_enabled in internal fields.
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// Then it checks if ngc.t!functionality_override_enabled is enabled and if sys:set GetT is == 2.
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// If both conditions are true, it does this following code. Since we currently stub it, it's fine to don't check settings service values.
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long bufferPosition = context.Request.PtrBuff[0].Position;
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long bufferSize = context.Request.PtrBuff[0].Size;
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long bufferFilteredPosition = context.Request.RecvListBuff[0].Position;
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string text = "";
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string textFiltered = "";
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if (bufferSize != 0)
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{
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if (bufferSize > 1024)
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{
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textFiltered = new string('*', text.Length);
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context.Memory.Write((ulong)bufferFilteredPosition, Encoding.ASCII.GetBytes(textFiltered));
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}
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else
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{
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byte[] buffer = new byte[bufferSize];
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context.Memory.Read((ulong)bufferPosition, buffer);
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// NOTE: Ngct use the archive 0100000000001034 which contains a words table. This is pushed on Chinese Switchs using Bcat service.
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// This call check if the string contains words which are in the table then returns the same string with each matched words replaced by '*'.
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// Since we don't want to hide bad words. It's fine to returns the same string.
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textFiltered = text = Encoding.ASCII.GetString(buffer);
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context.Memory.Write((ulong)bufferFilteredPosition, buffer);
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}
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}
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Logger.Stub?.PrintStub(LogClass.ServiceNgct, new { text, textFiltered });
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return ResultCode.Success;
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}
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}
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}
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