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Update BSD service implementation (#363)

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* Update BSD service to handle libnx's 'smart IPC buffers' for address info

* Use existing "GetBufferType0x21" for certain BSD socket methods

* Parse address port as unsigned short

* Fix bounds check on reading the IPC buffer

* Implement Read, Write methods

* rebased and cleaned

* addressed nits

* remove unused swap method

* fixed alignments
This commit is contained in:
emmauss 2018-08-24 20:20:42 +03:00 committed by gdkchan
parent 624e813cd3
commit da7e702751
3 changed files with 98 additions and 43 deletions
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36
Ryujinx.HLE/HOS/Ipc/IpcMessage.cs
View file

@ -174,39 +174,39 @@ namespace Ryujinx.HLE.HOS.Ipc
return 0;
}
public (long Position, long Size) GetBufferType0x21()
public (long Position, long Size) GetBufferType0x21(int Index = 0)
{
if (PtrBuff.Count != 0 &&
PtrBuff[0].Position != 0 &&
PtrBuff[0].Size != 0)
if (PtrBuff.Count > Index &&
PtrBuff[Index].Position != 0 &&
PtrBuff[Index].Size != 0)
{
return (PtrBuff[0].Position, PtrBuff[0].Size);
return (PtrBuff[Index].Position, PtrBuff[Index].Size);
}
if (SendBuff.Count != 0 &&
SendBuff[0].Position != 0 &&
SendBuff[0].Size != 0)
if (SendBuff.Count > Index &&
SendBuff[Index].Position != 0 &&
SendBuff[Index].Size != 0)
{
return (SendBuff[0].Position, SendBuff[0].Size);
return (SendBuff[Index].Position, SendBuff[Index].Size);
}
return (0, 0);
}
public (long Position, long Size) GetBufferType0x22()
public (long Position, long Size) GetBufferType0x22(int Index = 0)
{
if (RecvListBuff.Count != 0 &&
RecvListBuff[0].Position != 0 &&
RecvListBuff[0].Size != 0)
if (RecvListBuff.Count > Index &&
RecvListBuff[Index].Position != 0 &&
RecvListBuff[Index].Size != 0)
{
return (RecvListBuff[0].Position, RecvListBuff[0].Size);
return (RecvListBuff[Index].Position, RecvListBuff[Index].Size);
}
if (ReceiveBuff.Count != 0 &&
ReceiveBuff[0].Position != 0 &&
ReceiveBuff[0].Size != 0)
if (ReceiveBuff.Count > Index &&
ReceiveBuff[Index].Position != 0 &&
ReceiveBuff[Index].Size != 0)
{
return (ReceiveBuff[0].Position, ReceiveBuff[0].Size);
return (ReceiveBuff[Index].Position, ReceiveBuff[Index].Size);
}
return (0, 0);

95
Ryujinx.HLE/HOS/Services/Bsd/IClient.cs
View file

@ -32,6 +32,8 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
{ 14, Connect },
{ 18, Listen },
{ 21, SetSockOpt },
{ 24, Write },
{ 25, Read },
{ 26, Close }
};
}
@ -122,15 +124,15 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
int SocketId = Context.RequestData.ReadInt32();
int SocketFlags = Context.RequestData.ReadInt32();
byte[] ReceivedBuffer = new byte[Context.Request.ReceiveBuff[0].Size];
(long ReceivePosition, long ReceiveLength) = Context.Request.GetBufferType0x22();
byte[] ReceivedBuffer = new byte[ReceiveLength];
try
{
int BytesRead = Sockets[SocketId].Handle.Receive(ReceivedBuffer);
//Logging.Debug("Received Buffer:" + Environment.NewLine + Logging.HexDump(ReceivedBuffer));
Context.Memory.WriteBytes(Context.Request.ReceiveBuff[0].Position, ReceivedBuffer);
Context.Memory.WriteBytes(ReceivePosition, ReceivedBuffer);
Context.ResponseData.Write(BytesRead);
Context.ResponseData.Write(0);
@ -150,13 +152,12 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
int SocketId = Context.RequestData.ReadInt32();
int SocketFlags = Context.RequestData.ReadInt32();
byte[] SentBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
Context.Request.SendBuff[0].Size);
(long SentPosition, long SentSize) = Context.Request.GetBufferType0x21();
byte[] SentBuffer = Context.Memory.ReadBytes(SentPosition, SentSize);
try
{
//Logging.Debug("Sent Buffer:" + Environment.NewLine + Logging.HexDump(SentBuffer));
int BytesSent = Sockets[SocketId].Handle.Send(SentBuffer);
Context.ResponseData.Write(BytesSent);
@ -180,8 +181,9 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
byte[] SentBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
Context.Request.SendBuff[0].Size);
byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[1].Position,
Context.Request.SendBuff[1].Size);
(long AddressPosition, long AddressSize) = Context.Request.GetBufferType0x21(Index: 1);
byte[] AddressBuffer = Context.Memory.ReadBytes(AddressPosition, AddressSize);
if (!Sockets[SocketId].Handle.Connected)
{
@ -200,8 +202,6 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
try
{
//Logging.Debug("Sent Buffer:" + Environment.NewLine + Logging.HexDump(SentBuffer));
int BytesSent = Sockets[SocketId].Handle.Send(SentBuffer);
Context.ResponseData.Write(BytesSent);
@ -221,7 +221,7 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
{
int SocketId = Context.RequestData.ReadInt32();
long AddrBufferPtr = Context.Request.ReceiveBuff[0].Position;
(long AddrBufferPosition, long AddrBuffSize) = Context.Request.GetBufferType0x22();
Socket HandleAccept = null;
@ -265,7 +265,7 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
Writer.Write(IpAddress);
Context.Memory.WriteBytes(AddrBufferPtr, MS.ToArray());
Context.Memory.WriteBytes(AddrBufferPosition, MS.ToArray());
Context.ResponseData.Write(Sockets.Count - 1);
Context.ResponseData.Write(0);
@ -286,8 +286,9 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
{
int SocketId = Context.RequestData.ReadInt32();
byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
Context.Request.SendBuff[0].Size);
(long AddressPosition, long AddressSize) = Context.Request.GetBufferType0x21();
byte[] AddressBuffer = Context.Memory.ReadBytes(AddressPosition, AddressSize);
try
{
@ -310,8 +311,9 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
{
int SocketId = Context.RequestData.ReadInt32();
byte[] AddressBuffer = Context.Memory.ReadBytes(Context.Request.SendBuff[0].Position,
Context.Request.SendBuff[0].Size);
(long AddressPosition, long AddressSize) = Context.Request.GetBufferType0x21();
byte[] AddressBuffer = Context.Memory.ReadBytes(AddressPosition, AddressSize);
try
{
@ -383,6 +385,60 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
return 0;
}
//(u32 socket, buffer<i8, 0x21, 0> message) -> (i32 ret, u32 bsd_errno)
public long Write(ServiceCtx Context)
{
int SocketId = Context.RequestData.ReadInt32();
(long SentPosition, long SentSize) = Context.Request.GetBufferType0x21();
byte[] SentBuffer = Context.Memory.ReadBytes(SentPosition, SentSize);
try
{
//Logging.Debug("Wrote Buffer:" + Environment.NewLine + Logging.HexDump(SentBuffer));
int BytesSent = Sockets[SocketId].Handle.Send(SentBuffer);
Context.ResponseData.Write(BytesSent);
Context.ResponseData.Write(0);
}
catch (SocketException Ex)
{
Context.ResponseData.Write(-1);
Context.ResponseData.Write(Ex.ErrorCode - 10000);
}
return 0;
}
//(u32 socket) -> (i32 ret, u32 bsd_errno, buffer<i8, 0x22, 0> message)
public long Read(ServiceCtx Context)
{
int SocketId = Context.RequestData.ReadInt32();
(long ReceivePosition, long ReceiveLength) = Context.Request.GetBufferType0x22();
byte[] ReceivedBuffer = new byte[ReceiveLength];
try
{
int BytesRead = Sockets[SocketId].Handle.Receive(ReceivedBuffer);
Context.Memory.WriteBytes(ReceivePosition, ReceivedBuffer);
Context.ResponseData.Write(BytesRead);
Context.ResponseData.Write(0);
}
catch (SocketException Ex)
{
Context.ResponseData.Write(-1);
Context.ResponseData.Write(Ex.ErrorCode - 10000);
}
return 0;
}
//(u32 socket) -> (i32 ret, u32 bsd_errno)
public long Close(ServiceCtx Context)
{
@ -413,7 +469,7 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
int Size = Reader.ReadByte();
int Family = Reader.ReadByte();
int Port = EndianSwap.Swap16(Reader.ReadInt16());
int Port = EndianSwap.Swap16(Reader.ReadUInt16());
string IpAddress = Reader.ReadByte().ToString() + "." +
Reader.ReadByte().ToString() + "." +
@ -421,7 +477,6 @@ namespace Ryujinx.HLE.HOS.Services.Bsd
Reader.ReadByte().ToString();
Sockets[SocketId].IpAddress = IPAddress.Parse(IpAddress);
Sockets[SocketId].RemoteEP = new IPEndPoint(Sockets[SocketId].IpAddress, Port);
}
}

2
Ryujinx.HLE/Utilities/EndianSwap.cs
View file

@ -2,7 +2,7 @@
{
static class EndianSwap
{
public static short Swap16(short Value) => (short)(((Value >> 8) & 0xff) | (Value << 8));
public static ushort Swap16(ushort Value) => (ushort)(((Value >> 8) & 0xff) | (Value << 8));
public static int Swap32(int Value)
{