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https://github.com/GreemDev/Ryujinx.git
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51fa1b2cb0
* timezone: Make timezone implementation safe * hle: Do not use TrimEnd to parse ASCII strings This adds an util that handle reading an ASCII string in a safe way. Previously it was possible to read malformed data that could cause various undefined behaviours in multiple services. * hid: Remove an useless unsafe modifier on keyboard update * Address gdkchan's comment * Address gdkchan's comment
142 lines
No EOL
5.3 KiB
C#
142 lines
No EOL
5.3 KiB
C#
using Ryujinx.Common.Logging;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Services.Time.TimeZone;
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using Ryujinx.HLE.Utilities;
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using System;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Time.StaticService
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{
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class ITimeZoneServiceForGlue : IpcService
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{
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private TimeZoneContentManager _timeZoneContentManager;
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private ITimeZoneServiceForPsc _inner;
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private bool _writePermission;
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public ITimeZoneServiceForGlue(TimeZoneContentManager timeZoneContentManager, bool writePermission)
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{
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_timeZoneContentManager = timeZoneContentManager;
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_writePermission = writePermission;
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_inner = new ITimeZoneServiceForPsc(timeZoneContentManager.Manager, writePermission);
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}
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[CommandHipc(0)]
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// GetDeviceLocationName() -> nn::time::LocationName
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public ResultCode GetDeviceLocationName(ServiceCtx context)
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{
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return _inner.GetDeviceLocationName(context);
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}
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[CommandHipc(1)]
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// SetDeviceLocationName(nn::time::LocationName)
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public ResultCode SetDeviceLocationName(ServiceCtx context)
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{
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if (!_writePermission)
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{
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return ResultCode.PermissionDenied;
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}
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string locationName = StringUtils.ReadInlinedAsciiString(context.RequestData, 0x24);
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return _timeZoneContentManager.SetDeviceLocationName(locationName);
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}
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[CommandHipc(2)]
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// GetTotalLocationNameCount() -> u32
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public ResultCode GetTotalLocationNameCount(ServiceCtx context)
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{
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return _inner.GetTotalLocationNameCount(context);
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}
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[CommandHipc(3)]
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// LoadLocationNameList(u32 index) -> (u32 outCount, buffer<nn::time::LocationName, 6>)
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public ResultCode LoadLocationNameList(ServiceCtx context)
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{
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uint index = context.RequestData.ReadUInt32();
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ulong bufferPosition = context.Request.ReceiveBuff[0].Position;
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ulong bufferSize = context.Request.ReceiveBuff[0].Size;
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ResultCode errorCode = _timeZoneContentManager.LoadLocationNameList(index, out string[] locationNameArray, (uint)bufferSize / 0x24);
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if (errorCode == 0)
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{
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uint offset = 0;
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foreach (string locationName in locationNameArray)
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{
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int padding = 0x24 - locationName.Length;
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if (padding < 0)
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{
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return ResultCode.LocationNameTooLong;
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}
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context.Memory.Write(bufferPosition + offset, Encoding.ASCII.GetBytes(locationName));
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MemoryHelper.FillWithZeros(context.Memory, bufferPosition + offset + (ulong)locationName.Length, padding);
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offset += 0x24;
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}
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context.ResponseData.Write((uint)locationNameArray.Length);
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}
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return errorCode;
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}
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[CommandHipc(4)]
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// LoadTimeZoneRule(nn::time::LocationName locationName) -> buffer<nn::time::TimeZoneRule, 0x16>
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public ResultCode LoadTimeZoneRule(ServiceCtx context)
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{
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ulong bufferPosition = context.Request.ReceiveBuff[0].Position;
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ulong bufferSize = context.Request.ReceiveBuff[0].Size;
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if (bufferSize != 0x4000)
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{
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// TODO: find error code here
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Logger.Error?.Print(LogClass.ServiceTime, $"TimeZoneRule buffer size is 0x{bufferSize:x} (expected 0x4000)");
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throw new InvalidOperationException();
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}
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string locationName = StringUtils.ReadInlinedAsciiString(context.RequestData, 0x24);
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ResultCode resultCode = _timeZoneContentManager.LoadTimeZoneRule(out TimeZoneRule rules, locationName);
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// Write TimeZoneRule if success
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if (resultCode == ResultCode.Success)
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{
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MemoryHelper.Write(context.Memory, bufferPosition, rules);
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}
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return resultCode;
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}
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[CommandHipc(100)]
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// ToCalendarTime(nn::time::PosixTime time, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
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public ResultCode ToCalendarTime(ServiceCtx context)
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{
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return _inner.ToCalendarTime(context);
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}
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[CommandHipc(101)]
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// ToCalendarTimeWithMyRule(nn::time::PosixTime) -> (nn::time::CalendarTime, nn::time::sf::CalendarAdditionalInfo)
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public ResultCode ToCalendarTimeWithMyRule(ServiceCtx context)
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{
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return _inner.ToCalendarTimeWithMyRule(context);
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}
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[CommandHipc(201)]
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// ToPosixTime(nn::time::CalendarTime calendarTime, buffer<nn::time::TimeZoneRule, 0x15> rules) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
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public ResultCode ToPosixTime(ServiceCtx context)
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{
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return _inner.ToPosixTime(context);
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}
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[CommandHipc(202)]
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// ToPosixTimeWithMyRule(nn::time::CalendarTime calendarTime) -> (u32 outCount, buffer<nn::time::PosixTime, 0xa>)
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public ResultCode ToPosixTimeWithMyRule(ServiceCtx context)
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{
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return _inner.ToPosixTimeWithMyRule(context);
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}
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}
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} |