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prepo: Implement GetSystemSessionId and add perms (#2014) 

* prepo: Implement GetSystemSessionId and add perms

* address feedbacks
This commit is contained in:
Ac_K 2021-02-11 20:24:54 +01:00 committed by GitHub
parent 0b02e08b72
commit 80ed8596c1
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 62 additions and 8 deletions
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50
Ryujinx.HLE/HOS/Services/Prepo/IPrepoService.cs
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@ -5,16 +5,25 @@ using Ryujinx.Common.Logging;
using Ryujinx.Common.Utilities;
using Ryujinx.HLE.HOS.Services.Account.Acc;
using Ryujinx.HLE.Utilities;
using System;
using System.Text;
namespace Ryujinx.HLE.HOS.Services.Prepo
{
[Service("prepo:a")]
[Service("prepo:a2")]
[Service("prepo:u")]
[Service("prepo:a", PrepoServicePermissionLevel.Admin)] // 1.0.0-5.1.0
[Service("prepo:a2", PrepoServicePermissionLevel.Admin)] // 6.0.0+
[Service("prepo:m", PrepoServicePermissionLevel.Manager)]
[Service("prepo:u", PrepoServicePermissionLevel.User)]
[Service("prepo:s", PrepoServicePermissionLevel.System)]
class IPrepoService : IpcService
{
public IPrepoService(ServiceCtx context) { }
private PrepoServicePermissionLevel _permission;
private ulong _systemSessionId;
public IPrepoService(ServiceCtx context, PrepoServicePermissionLevel permission)
{
_permission = permission;
}
[Command(10100)] // 1.0.0-5.1.0
[Command(10102)] // 6.0.0-9.2.0
@ -22,6 +31,11 @@ namespace Ryujinx.HLE.HOS.Services.Prepo
// SaveReport(u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
public ResultCode SaveReport(ServiceCtx context)
{
if (((int)_permission & 1) == 0)
{
return ResultCode.PermissionDenied;
}
// We don't care about the differences since we don't use the play report.
return ProcessReport(context, withUserID: false);
}
@ -32,6 +46,11 @@ namespace Ryujinx.HLE.HOS.Services.Prepo
// SaveReportWithUser(nn::account::Uid, u64, pid, buffer<u8, 9>, buffer<bytes, 5>)
public ResultCode SaveReportWithUser(ServiceCtx context)
{
if (((int)_permission & 1) == 0)
{
return ResultCode.PermissionDenied;
}
// We don't care about the differences since we don't use the play report.
return ProcessReport(context, withUserID: true);
}
@ -57,6 +76,29 @@ namespace Ryujinx.HLE.HOS.Services.Prepo
return ResultCode.Success;
}
[Command(10400)] // 9.0.0+
// GetSystemSessionId() -> u64
public ResultCode GetSystemSessionId(ServiceCtx context)
{
if (((int)_permission & 1) == 0)
{
return ResultCode.PermissionDenied;
}
if (_systemSessionId == 0)
{
byte[] randomBuffer = new byte[8];
new Random().NextBytes(randomBuffer);
_systemSessionId = BitConverter.ToUInt64(randomBuffer, 0);
}
context.ResponseData.Write(_systemSessionId);
return ResultCode.Success;
}
private ResultCode ProcessReport(ServiceCtx context, bool withUserID)
{
UserId userId = withUserID ? context.RequestData.ReadStruct<UserId>() : new UserId();

8
Ryujinx.HLE/HOS/Services/Prepo/ResultCode.cs
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@ -7,9 +7,9 @@ namespace Ryujinx.HLE.HOS.Services.Prepo
Success = 0,
InvalidArgument = (1 << ErrorCodeShift) | ModuleId,
InvalidState = (5 << ErrorCodeShift) | ModuleId,
InvalidBufferSize = (9 << ErrorCodeShift) | ModuleId,
Unknown1 = (90 << ErrorCodeShift) | ModuleId
InvalidArgument = (1 << ErrorCodeShift) | ModuleId,
InvalidState = (5 << ErrorCodeShift) | ModuleId,
InvalidBufferSize = (9 << ErrorCodeShift) | ModuleId,
PermissionDenied = (90 << ErrorCodeShift) | ModuleId
}
}

12
Ryujinx.HLE/HOS/Services/Prepo/Types/PrepoServicePermissionLevel.cs Normal file
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@ -0,0 +1,12 @@
using System;
namespace Ryujinx.HLE.HOS.Services.Prepo
{
enum PrepoServicePermissionLevel
{
Admin = -1,
User = 1,
System = 2,
Manager = 6
}
}