R/Ryujinx.HLE/HOS/Services/Sockets/Bsd/IClient.cs
Thog bce8972e7a Fix an endge case in bsd IClient::Poll implementation (#848)
This add some code to handle usage of poll without any fds.

This is required by Dark Souls Remastered main loop logic as it's
calling it without any fds during initialization.

===
General system stability improvements to enhance the user's experience.
2019-12-23 06:33:59 +11:00

1196 lines
No EOL
44 KiB
C#

using Ryujinx.Common.Logging;
using Ryujinx.HLE.Utilities;
using System;
using System.Buffers.Binary;
using System.Collections.Generic;
using System.Net;
using System.Net.Sockets;
using System.Text;
using System.Threading;
namespace Ryujinx.HLE.HOS.Services.Sockets.Bsd
{
[Service("bsd:s", true)]
[Service("bsd:u", false)]
class IClient : IpcService
{
private static Dictionary<WsaError, LinuxError> _errorMap = new Dictionary<WsaError, LinuxError>
{
// WSAEINTR
{WsaError.WSAEINTR, LinuxError.EINTR},
// WSAEWOULDBLOCK
{WsaError.WSAEWOULDBLOCK, LinuxError.EWOULDBLOCK},
// WSAEINPROGRESS
{WsaError.WSAEINPROGRESS, LinuxError.EINPROGRESS},
// WSAEALREADY
{WsaError.WSAEALREADY, LinuxError.EALREADY},
// WSAENOTSOCK
{WsaError.WSAENOTSOCK, LinuxError.ENOTSOCK},
// WSAEDESTADDRREQ
{WsaError.WSAEDESTADDRREQ, LinuxError.EDESTADDRREQ},
// WSAEMSGSIZE
{WsaError.WSAEMSGSIZE, LinuxError.EMSGSIZE},
// WSAEPROTOTYPE
{WsaError.WSAEPROTOTYPE, LinuxError.EPROTOTYPE},
// WSAENOPROTOOPT
{WsaError.WSAENOPROTOOPT, LinuxError.ENOPROTOOPT},
// WSAEPROTONOSUPPORT
{WsaError.WSAEPROTONOSUPPORT, LinuxError.EPROTONOSUPPORT},
// WSAESOCKTNOSUPPORT
{WsaError.WSAESOCKTNOSUPPORT, LinuxError.ESOCKTNOSUPPORT},
// WSAEOPNOTSUPP
{WsaError.WSAEOPNOTSUPP, LinuxError.EOPNOTSUPP},
// WSAEPFNOSUPPORT
{WsaError.WSAEPFNOSUPPORT, LinuxError.EPFNOSUPPORT},
// WSAEAFNOSUPPORT
{WsaError.WSAEAFNOSUPPORT, LinuxError.EAFNOSUPPORT},
// WSAEADDRINUSE
{WsaError.WSAEADDRINUSE, LinuxError.EADDRINUSE},
// WSAEADDRNOTAVAIL
{WsaError.WSAEADDRNOTAVAIL, LinuxError.EADDRNOTAVAIL},
// WSAENETDOWN
{WsaError.WSAENETDOWN, LinuxError.ENETDOWN},
// WSAENETUNREACH
{WsaError.WSAENETUNREACH, LinuxError.ENETUNREACH},
// WSAENETRESET
{WsaError.WSAENETRESET, LinuxError.ENETRESET},
// WSAECONNABORTED
{WsaError.WSAECONNABORTED, LinuxError.ECONNABORTED},
// WSAECONNRESET
{WsaError.WSAECONNRESET, LinuxError.ECONNRESET},
// WSAENOBUFS
{WsaError.WSAENOBUFS, LinuxError.ENOBUFS},
// WSAEISCONN
{WsaError.WSAEISCONN, LinuxError.EISCONN},
// WSAENOTCONN
{WsaError.WSAENOTCONN, LinuxError.ENOTCONN},
// WSAESHUTDOWN
{WsaError.WSAESHUTDOWN, LinuxError.ESHUTDOWN},
// WSAETOOMANYREFS
{WsaError.WSAETOOMANYREFS, LinuxError.ETOOMANYREFS},
// WSAETIMEDOUT
{WsaError.WSAETIMEDOUT, LinuxError.ETIMEDOUT},
// WSAECONNREFUSED
{WsaError.WSAECONNREFUSED, LinuxError.ECONNREFUSED},
// WSAELOOP
{WsaError.WSAELOOP, LinuxError.ELOOP},
// WSAENAMETOOLONG
{WsaError.WSAENAMETOOLONG, LinuxError.ENAMETOOLONG},
// WSAEHOSTDOWN
{WsaError.WSAEHOSTDOWN, LinuxError.EHOSTDOWN},
// WSAEHOSTUNREACH
{WsaError.WSAEHOSTUNREACH, LinuxError.EHOSTUNREACH},
// WSAENOTEMPTY
{WsaError.WSAENOTEMPTY, LinuxError.ENOTEMPTY},
// WSAEUSERS
{WsaError.WSAEUSERS, LinuxError.EUSERS},
// WSAEDQUOT
{WsaError.WSAEDQUOT, LinuxError.EDQUOT},
// WSAESTALE
{WsaError.WSAESTALE, LinuxError.ESTALE},
// WSAEREMOTE
{WsaError.WSAEREMOTE, LinuxError.EREMOTE},
// WSAEINVAL
{WsaError.WSAEINVAL, LinuxError.EINVAL},
// WSAEFAULT
{WsaError.WSAEFAULT, LinuxError.EFAULT},
// NOERROR
{0, 0}
};
private bool _isPrivileged;
private List<BsdSocket> _sockets = new List<BsdSocket>();
public IClient(ServiceCtx context, bool isPrivileged)
{
_isPrivileged = isPrivileged;
}
private LinuxError ConvertError(WsaError errorCode)
{
if (!_errorMap.TryGetValue(errorCode, out LinuxError errno))
{
errno = (LinuxError)errorCode;
}
return errno;
}
private ResultCode WriteWinSock2Error(ServiceCtx context, WsaError errorCode)
{
return WriteBsdResult(context, -1, ConvertError(errorCode));
}
private ResultCode WriteBsdResult(ServiceCtx context, int result, LinuxError errorCode = 0)
{
if (errorCode != LinuxError.SUCCESS)
{
result = -1;
}
context.ResponseData.Write(result);
context.ResponseData.Write((int)errorCode);
return ResultCode.Success;
}
private BsdSocket RetrieveSocket(int socketFd)
{
if (socketFd >= 0 && _sockets.Count > socketFd)
{
return _sockets[socketFd];
}
return null;
}
private LinuxError SetResultErrno(Socket socket, int result)
{
return result == 0 && !socket.Blocking ? LinuxError.EWOULDBLOCK : LinuxError.SUCCESS;
}
private AddressFamily ConvertFromBsd(int domain)
{
if (domain == 2)
{
return AddressFamily.InterNetwork;
}
// FIXME: AF_ROUTE ignored, is that really needed?
return AddressFamily.Unknown;
}
private ResultCode SocketInternal(ServiceCtx context, bool exempt)
{
AddressFamily domain = (AddressFamily)context.RequestData.ReadInt32();
SocketType type = (SocketType)context.RequestData.ReadInt32();
ProtocolType protocol = (ProtocolType)context.RequestData.ReadInt32();
if (domain == AddressFamily.Unknown)
{
return WriteBsdResult(context, -1, LinuxError.EPROTONOSUPPORT);
}
else if ((type == SocketType.Seqpacket || type == SocketType.Raw) && !_isPrivileged)
{
if (domain != AddressFamily.InterNetwork || type != SocketType.Raw || protocol != ProtocolType.Icmp)
{
return WriteBsdResult(context, -1, LinuxError.ENOENT);
}
}
BsdSocket newBsdSocket = new BsdSocket
{
Family = (int)domain,
Type = (int)type,
Protocol = (int)protocol,
Handle = new Socket(domain, type, protocol)
};
_sockets.Add(newBsdSocket);
if (exempt)
{
newBsdSocket.Handle.Disconnect(true);
}
return WriteBsdResult(context, _sockets.Count - 1);
}
private IPEndPoint ParseSockAddr(ServiceCtx context, long bufferPosition, long bufferSize)
{
int size = context.Memory.ReadByte(bufferPosition);
int family = context.Memory.ReadByte(bufferPosition + 1);
int port = BinaryPrimitives.ReverseEndianness(context.Memory.ReadUInt16(bufferPosition + 2));
byte[] rawIp = context.Memory.ReadBytes(bufferPosition + 4, 4);
return new IPEndPoint(new IPAddress(rawIp), port);
}
private void WriteSockAddr(ServiceCtx context, long bufferPosition, IPEndPoint endPoint)
{
context.Memory.WriteByte(bufferPosition, 0);
context.Memory.WriteByte(bufferPosition + 1, (byte)endPoint.AddressFamily);
context.Memory.WriteUInt16(bufferPosition + 2, BinaryPrimitives.ReverseEndianness((ushort)endPoint.Port));
context.Memory.WriteBytes(bufferPosition + 4, endPoint.Address.GetAddressBytes());
}
private void WriteSockAddr(ServiceCtx context, long bufferPosition, BsdSocket socket, bool isRemote)
{
IPEndPoint endPoint = (isRemote ? socket.Handle.RemoteEndPoint : socket.Handle.LocalEndPoint) as IPEndPoint;
WriteSockAddr(context, bufferPosition, endPoint);
}
[Command(0)]
// Initialize(nn::socket::BsdBufferConfig config, u64 pid, u64 transferMemorySize, KObject<copy, transfer_memory>, pid) -> u32 bsd_errno
public ResultCode RegisterClient(ServiceCtx context)
{
/*
typedef struct {
u32 version; // Observed 1 on 2.0 LibAppletWeb, 2 on 3.0.
u32 tcp_tx_buf_size; // Size of the TCP transfer (send) buffer (initial or fixed).
u32 tcp_rx_buf_size; // Size of the TCP recieve buffer (initial or fixed).
u32 tcp_tx_buf_max_size; // Maximum size of the TCP transfer (send) buffer. If it is 0, the size of the buffer is fixed to its initial value.
u32 tcp_rx_buf_max_size; // Maximum size of the TCP receive buffer. If it is 0, the size of the buffer is fixed to its initial value.
u32 udp_tx_buf_size; // Size of the UDP transfer (send) buffer (typically 0x2400 bytes).
u32 udp_rx_buf_size; // Size of the UDP receive buffer (typically 0xA500 bytes).
u32 sb_efficiency; // Number of buffers for each socket (standard values range from 1 to 8).
} BsdBufferConfig;
*/
// bsd_error
context.ResponseData.Write(0);
Logger.PrintStub(LogClass.ServiceBsd);
return ResultCode.Success;
}
[Command(1)]
// StartMonitoring(u64, pid)
public ResultCode StartMonitoring(ServiceCtx context)
{
ulong unknown0 = context.RequestData.ReadUInt64();
Logger.PrintStub(LogClass.ServiceBsd, new { unknown0 });
return ResultCode.Success;
}
[Command(2)]
// Socket(u32 domain, u32 type, u32 protocol) -> (i32 ret, u32 bsd_errno)
public ResultCode Socket(ServiceCtx context)
{
return SocketInternal(context, false);
}
[Command(3)]
// SocketExempt(u32 domain, u32 type, u32 protocol) -> (i32 ret, u32 bsd_errno)
public ResultCode SocketExempt(ServiceCtx context)
{
return SocketInternal(context, true);
}
[Command(4)]
// Open(u32 flags, array<unknown, 0x21> path) -> (i32 ret, u32 bsd_errno)
public ResultCode Open(ServiceCtx context)
{
(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x21();
int flags = context.RequestData.ReadInt32();
byte[] rawPath = context.Memory.ReadBytes(bufferPosition, bufferSize);
string path = Encoding.ASCII.GetString(rawPath);
WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
Logger.PrintStub(LogClass.ServiceBsd, new { path, flags });
return ResultCode.Success;
}
[Command(5)]
// Select(u32 nfds, nn::socket::timeout timeout, buffer<nn::socket::fd_set, 0x21, 0> readfds_in, buffer<nn::socket::fd_set, 0x21, 0> writefds_in, buffer<nn::socket::fd_set, 0x21, 0> errorfds_in) -> (i32 ret, u32 bsd_errno, buffer<nn::socket::fd_set, 0x22, 0> readfds_out, buffer<nn::socket::fd_set, 0x22, 0> writefds_out, buffer<nn::socket::fd_set, 0x22, 0> errorfds_out)
public ResultCode Select(ServiceCtx context)
{
WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
Logger.PrintStub(LogClass.ServiceBsd);
return ResultCode.Success;
}
[Command(6)]
// Poll(u32 nfds, u32 timeout, buffer<unknown, 0x21, 0> fds) -> (i32 ret, u32 bsd_errno, buffer<unknown, 0x22, 0>)
public ResultCode Poll(ServiceCtx context)
{
int fdsCount = context.RequestData.ReadInt32();
int timeout = context.RequestData.ReadInt32();
(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x21();
if (timeout < -1 || fdsCount < 0 || (fdsCount * 8) > bufferSize)
{
return WriteBsdResult(context, -1, LinuxError.EINVAL);
}
PollEvent[] events = new PollEvent[fdsCount];
for (int i = 0; i < fdsCount; i++)
{
int socketFd = context.Memory.ReadInt32(bufferPosition + i * 8);
BsdSocket socket = RetrieveSocket(socketFd);
if (socket == null)
{
return WriteBsdResult(context, -1, LinuxError.EBADF);}
PollEvent.EventTypeMask inputEvents = (PollEvent.EventTypeMask)context.Memory.ReadInt16(bufferPosition + i * 8 + 4);
PollEvent.EventTypeMask outputEvents = (PollEvent.EventTypeMask)context.Memory.ReadInt16(bufferPosition + i * 8 + 6);
events[i] = new PollEvent(socketFd, socket, inputEvents, outputEvents);
}
List<Socket> readEvents = new List<Socket>();
List<Socket> writeEvents = new List<Socket>();
List<Socket> errorEvents = new List<Socket>();
foreach (PollEvent Event in events)
{
bool isValidEvent = false;
if ((Event.InputEvents & PollEvent.EventTypeMask.Input) != 0)
{
readEvents.Add(Event.Socket.Handle);
errorEvents.Add(Event.Socket.Handle);
isValidEvent = true;
}
if ((Event.InputEvents & PollEvent.EventTypeMask.UrgentInput) != 0)
{
readEvents.Add(Event.Socket.Handle);
errorEvents.Add(Event.Socket.Handle);
isValidEvent = true;
}
if ((Event.InputEvents & PollEvent.EventTypeMask.Output) != 0)
{
writeEvents.Add(Event.Socket.Handle);
errorEvents.Add(Event.Socket.Handle);
isValidEvent = true;
}
if ((Event.InputEvents & PollEvent.EventTypeMask.Error) != 0)
{
errorEvents.Add(Event.Socket.Handle);
isValidEvent = true;
}
if (!isValidEvent)
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Poll input event type: {Event.InputEvents}");
return WriteBsdResult(context, -1, LinuxError.EINVAL);
}
}
if (fdsCount != 0)
{
try
{
System.Net.Sockets.Socket.Select(readEvents, writeEvents, errorEvents, timeout);
}
catch (SocketException exception)
{
return WriteWinSock2Error(context, (WsaError)exception.ErrorCode);
}
}
else if (timeout == -1)
{
// FIXME: If we get a timeout of -1 and there is no fds to wait on, this should kill the KProces. (need to check that with re)
throw new InvalidOperationException();
}
else
{
// FIXME: We should make the KThread sleep but we can't do much about it yet.
Thread.Sleep(timeout);
}
for (int i = 0; i < fdsCount; i++)
{
PollEvent Event = events[i];
context.Memory.WriteInt32(bufferPosition + i * 8, Event.SocketFd);
context.Memory.WriteInt16(bufferPosition + i * 8 + 4, (short)Event.InputEvents);
PollEvent.EventTypeMask outputEvents = 0;
Socket socket = Event.Socket.Handle;
if (errorEvents.Contains(socket))
{
outputEvents |= PollEvent.EventTypeMask.Error;
if (!socket.Connected || !socket.IsBound)
{
outputEvents |= PollEvent.EventTypeMask.Disconnected;
}
}
if (readEvents.Contains(socket))
{
if ((Event.InputEvents & PollEvent.EventTypeMask.Input) != 0)
{
outputEvents |= PollEvent.EventTypeMask.Input;
}
}
if (writeEvents.Contains(socket))
{
outputEvents |= PollEvent.EventTypeMask.Output;
}
context.Memory.WriteInt16(bufferPosition + i * 8 + 6, (short)outputEvents);
}
return WriteBsdResult(context, readEvents.Count + writeEvents.Count + errorEvents.Count, LinuxError.SUCCESS);
}
[Command(7)]
// Sysctl(buffer<unknown, 0x21, 0>, buffer<unknown, 0x21, 0>) -> (i32 ret, u32 bsd_errno, u32, buffer<unknown, 0x22, 0>)
public ResultCode Sysctl(ServiceCtx context)
{
WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
Logger.PrintStub(LogClass.ServiceBsd);
return ResultCode.Success;
}
[Command(8)]
// Recv(u32 socket, u32 flags) -> (i32 ret, u32 bsd_errno, array<i8, 0x22> message)
public ResultCode Recv(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
SocketFlags socketFlags = (SocketFlags)context.RequestData.ReadInt32();
(long receivePosition, long receiveLength) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
if (socketFlags != SocketFlags.None && (socketFlags & SocketFlags.OutOfBand) == 0
&& (socketFlags & SocketFlags.Peek) == 0)
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Recv flags: {socketFlags}");
return WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
}
byte[] receivedBuffer = new byte[receiveLength];
try
{
result = socket.Handle.Receive(receivedBuffer, socketFlags);
errno = SetResultErrno(socket.Handle, result);
context.Memory.WriteBytes(receivePosition, receivedBuffer);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(9)]
// RecvFrom(u32 sock, u32 flags) -> (i32 ret, u32 bsd_errno, u32 addrlen, buffer<i8, 0x22, 0> message, buffer<nn::socket::sockaddr_in, 0x22, 0x10>)
public ResultCode RecvFrom(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
SocketFlags socketFlags = (SocketFlags)context.RequestData.ReadInt32();
(long receivePosition, long receiveLength) = context.Request.GetBufferType0x22();
(long sockAddrOutPosition, long sockAddrOutSize) = context.Request.GetBufferType0x22(1);
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
if (socketFlags != SocketFlags.None && (socketFlags & SocketFlags.OutOfBand) == 0
&& (socketFlags & SocketFlags.Peek) == 0)
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Recv flags: {socketFlags}");
return WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
}
byte[] receivedBuffer = new byte[receiveLength];
EndPoint endPoint = new IPEndPoint(IPAddress.Any, 0);
try
{
result = socket.Handle.ReceiveFrom(receivedBuffer, receivedBuffer.Length, socketFlags, ref endPoint);
errno = SetResultErrno(socket.Handle, result);
context.Memory.WriteBytes(receivePosition, receivedBuffer);
WriteSockAddr(context, sockAddrOutPosition, (IPEndPoint)endPoint);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(10)]
// Send(u32 socket, u32 flags, buffer<i8, 0x21, 0>) -> (i32 ret, u32 bsd_errno)
public ResultCode Send(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
SocketFlags socketFlags = (SocketFlags)context.RequestData.ReadInt32();
(long sendPosition, long sendSize) = context.Request.GetBufferType0x21();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
if (socketFlags != SocketFlags.None && socketFlags != SocketFlags.OutOfBand
&& socketFlags != SocketFlags.Peek && socketFlags != SocketFlags.DontRoute)
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Send flags: {socketFlags}");
return WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
}
byte[] sendBuffer = context.Memory.ReadBytes(sendPosition, sendSize);
try
{
result = socket.Handle.Send(sendBuffer, socketFlags);
errno = SetResultErrno(socket.Handle, result);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(11)]
// SendTo(u32 socket, u32 flags, buffer<i8, 0x21, 0>, buffer<nn::socket::sockaddr_in, 0x21, 0x10>) -> (i32 ret, u32 bsd_errno)
public ResultCode SendTo(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
SocketFlags socketFlags = (SocketFlags)context.RequestData.ReadInt32();
(long sendPosition, long sendSize) = context.Request.GetBufferType0x21();
(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x21(1);
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
if (socketFlags != SocketFlags.None && socketFlags != SocketFlags.OutOfBand
&& socketFlags != SocketFlags.Peek && socketFlags != SocketFlags.DontRoute)
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Send flags: {socketFlags}");
return WriteBsdResult(context, -1, LinuxError.EOPNOTSUPP);
}
byte[] sendBuffer = context.Memory.ReadBytes(sendPosition, sendSize);
EndPoint endPoint = ParseSockAddr(context, bufferPosition, bufferSize);
try
{
result = socket.Handle.SendTo(sendBuffer, sendBuffer.Length, socketFlags, endPoint);
errno = SetResultErrno(socket.Handle, result);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(12)]
// Accept(u32 socket) -> (i32 ret, u32 bsd_errno, u32 addrlen, buffer<nn::socket::sockaddr_in, 0x22, 0x10> addr)
public ResultCode Accept(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
Socket newSocket = null;
try
{
newSocket = socket.Handle.Accept();
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
if (newSocket == null && errno == LinuxError.SUCCESS)
{
errno = LinuxError.EWOULDBLOCK;
}
else if (errno == LinuxError.SUCCESS)
{
BsdSocket newBsdSocket = new BsdSocket
{
Family = (int)newSocket.AddressFamily,
Type = (int)newSocket.SocketType,
Protocol = (int)newSocket.ProtocolType,
Handle = newSocket
};
_sockets.Add(newBsdSocket);
WriteSockAddr(context, bufferPos, newBsdSocket, true);
WriteBsdResult(context, _sockets.Count - 1, errno);
context.ResponseData.Write(0x10);
return ResultCode.Success;
}
}
return WriteBsdResult(context, -1, errno);
}
[Command(13)]
// Bind(u32 socket, buffer<nn::socket::sockaddr_in, 0x21, 0x10> addr) -> (i32 ret, u32 bsd_errno)
public ResultCode Bind(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x21();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
try
{
IPEndPoint endPoint = ParseSockAddr(context, bufferPos, bufferSize);
socket.Handle.Bind(endPoint);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(14)]
// Connect(u32 socket, buffer<nn::socket::sockaddr_in, 0x21, 0x10>) -> (i32 ret, u32 bsd_errno)
public ResultCode Connect(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x21();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
try
{
IPEndPoint endPoint = ParseSockAddr(context, bufferPos, bufferSize);
socket.Handle.Connect(endPoint);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(15)]
// GetPeerName(u32 socket) -> (i32 ret, u32 bsd_errno, u32 addrlen, buffer<nn::socket::sockaddr_in, 0x22, 0x10> addr)
public ResultCode GetPeerName(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
WriteSockAddr(context, bufferPos, socket, true);
WriteBsdResult(context, 0, errno);
context.ResponseData.Write(0x10);
}
return WriteBsdResult(context, 0, errno);
}
[Command(16)]
// GetSockName(u32 socket) -> (i32 ret, u32 bsd_errno, u32 addrlen, buffer<nn::socket::sockaddr_in, 0x22, 0x10> addr)
public ResultCode GetSockName(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
WriteSockAddr(context, bufferPos, socket, false);
WriteBsdResult(context, 0, errno);
context.ResponseData.Write(0x10);
}
return WriteBsdResult(context, 0, errno);
}
[Command(17)]
// GetSockOpt(u32 socket, u32 level, u32 option_name) -> (i32 ret, u32 bsd_errno, u32, buffer<unknown, 0x22, 0>)
public ResultCode GetSockOpt(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
int level = context.RequestData.ReadInt32();
int optionName = context.RequestData.ReadInt32();
(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.ENOPROTOOPT;
if (level == 0xFFFF)
{
errno = HandleGetSocketOption(context, socket, (SocketOptionName)optionName, bufferPosition, bufferSize);
}
else
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported GetSockOpt Level: {(SocketOptionLevel)level}");
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(18)]
// Listen(u32 socket, u32 backlog) -> (i32 ret, u32 bsd_errno)
public ResultCode Listen(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
int backlog = context.RequestData.ReadInt32();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
try
{
socket.Handle.Listen(backlog);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(19)]
// Ioctl(u32 fd, u32 request, u32 bufcount, buffer<unknown, 0x21, 0>, buffer<unknown, 0x21, 0>, buffer<unknown, 0x21, 0>, buffer<unknown, 0x21, 0>) -> (i32 ret, u32 bsd_errno, buffer<unknown, 0x22, 0>, buffer<unknown, 0x22, 0>, buffer<unknown, 0x22, 0>, buffer<unknown, 0x22, 0>)
public ResultCode Ioctl(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
BsdIoctl cmd = (BsdIoctl)context.RequestData.ReadInt32();
int bufferCount = context.RequestData.ReadInt32();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
switch (cmd)
{
case BsdIoctl.AtMark:
errno = LinuxError.SUCCESS;
(long bufferPosition, long bufferSize) = context.Request.GetBufferType0x22();
// FIXME: OOB not implemented.
context.Memory.WriteInt32(bufferPosition, 0);
break;
default:
errno = LinuxError.EOPNOTSUPP;
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported Ioctl Cmd: {cmd}");
break;
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(20)]
// Fcntl(u32 socket, u32 cmd, u32 arg) -> (i32 ret, u32 bsd_errno)
public ResultCode Fcntl(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
int cmd = context.RequestData.ReadInt32();
int arg = context.RequestData.ReadInt32();
int result = 0;
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.SUCCESS;
if (cmd == 0x3)
{
result = !socket.Handle.Blocking ? 0x800 : 0;
}
else if (cmd == 0x4 && arg == 0x800)
{
socket.Handle.Blocking = false;
result = 0;
}
else
{
errno = LinuxError.EOPNOTSUPP;
}
}
return WriteBsdResult(context, result, errno);
}
private LinuxError HandleGetSocketOption(ServiceCtx context, BsdSocket socket, SocketOptionName optionName, long optionValuePosition, long optionValueSize)
{
try
{
byte[] optionValue = new byte[optionValueSize];
switch (optionName)
{
case SocketOptionName.Broadcast:
case SocketOptionName.DontLinger:
case SocketOptionName.Debug:
case SocketOptionName.Error:
case SocketOptionName.KeepAlive:
case SocketOptionName.OutOfBandInline:
case SocketOptionName.ReceiveBuffer:
case SocketOptionName.ReceiveTimeout:
case SocketOptionName.SendBuffer:
case SocketOptionName.SendTimeout:
case SocketOptionName.Type:
case SocketOptionName.Linger:
socket.Handle.GetSocketOption(SocketOptionLevel.Socket, optionName, optionValue);
context.Memory.WriteBytes(optionValuePosition, optionValue);
return LinuxError.SUCCESS;
case (SocketOptionName)0x200:
socket.Handle.GetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, optionValue);
context.Memory.WriteBytes(optionValuePosition, optionValue);
return LinuxError.SUCCESS;
default:
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported SetSockOpt OptionName: {optionName}");
return LinuxError.EOPNOTSUPP;
}
}
catch (SocketException exception)
{
return ConvertError((WsaError)exception.ErrorCode);
}
}
private LinuxError HandleSetSocketOption(ServiceCtx context, BsdSocket socket, SocketOptionName optionName, long optionValuePosition, long optionValueSize)
{
try
{
switch (optionName)
{
case SocketOptionName.Broadcast:
case SocketOptionName.DontLinger:
case SocketOptionName.Debug:
case SocketOptionName.Error:
case SocketOptionName.KeepAlive:
case SocketOptionName.OutOfBandInline:
case SocketOptionName.ReceiveBuffer:
case SocketOptionName.ReceiveTimeout:
case SocketOptionName.SendBuffer:
case SocketOptionName.SendTimeout:
case SocketOptionName.Type:
case SocketOptionName.ReuseAddress:
socket.Handle.SetSocketOption(SocketOptionLevel.Socket, optionName, context.Memory.ReadInt32(optionValuePosition));
return LinuxError.SUCCESS;
case (SocketOptionName)0x200:
socket.Handle.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.ReuseAddress, context.Memory.ReadInt32(optionValuePosition));
return LinuxError.SUCCESS;
case SocketOptionName.Linger:
socket.Handle.SetSocketOption(SocketOptionLevel.Socket, SocketOptionName.Linger,
new LingerOption(context.Memory.ReadInt32(optionValuePosition) != 0, context.Memory.ReadInt32(optionValuePosition + 4)));
return LinuxError.SUCCESS;
default:
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported SetSockOpt OptionName: {optionName}");
return LinuxError.EOPNOTSUPP;
}
}
catch (SocketException exception)
{
return ConvertError((WsaError)exception.ErrorCode);
}
}
[Command(21)]
// SetSockOpt(u32 socket, u32 level, u32 option_name, buffer<unknown, 0x21, 0> option_value) -> (i32 ret, u32 bsd_errno)
public ResultCode SetSockOpt(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
int level = context.RequestData.ReadInt32();
int optionName = context.RequestData.ReadInt32();
(long bufferPos, long bufferSize) = context.Request.GetBufferType0x21();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.ENOPROTOOPT;
if (level == 0xFFFF)
{
errno = HandleSetSocketOption(context, socket, (SocketOptionName)optionName, bufferPos, bufferSize);
}
else
{
Logger.PrintWarning(LogClass.ServiceBsd, $"Unsupported SetSockOpt Level: {(SocketOptionLevel)level}");
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(22)]
// Shutdown(u32 socket, u32 how) -> (i32 ret, u32 bsd_errno)
public ResultCode Shutdown(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
int how = context.RequestData.ReadInt32();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
errno = LinuxError.EINVAL;
if (how >= 0 && how <= 2)
{
errno = LinuxError.SUCCESS;
try
{
socket.Handle.Shutdown((SocketShutdown)how);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(23)]
// ShutdownAllSockets(u32 how) -> (i32 ret, u32 bsd_errno)
public ResultCode ShutdownAllSockets(ServiceCtx context)
{
int how = context.RequestData.ReadInt32();
LinuxError errno = LinuxError.EINVAL;
if (how >= 0 && how <= 2)
{
errno = LinuxError.SUCCESS;
foreach (BsdSocket socket in _sockets)
{
if (socket != null)
{
try
{
socket.Handle.Shutdown((SocketShutdown)how);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
break;
}
}
}
}
return WriteBsdResult(context, 0, errno);
}
[Command(24)]
// Write(u32 socket, buffer<i8, 0x21, 0> message) -> (i32 ret, u32 bsd_errno)
public ResultCode Write(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long sendPosition, long sendSize) = context.Request.GetBufferType0x21();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
byte[] sendBuffer = context.Memory.ReadBytes(sendPosition, sendSize);
try
{
result = socket.Handle.Send(sendBuffer);
errno = SetResultErrno(socket.Handle, result);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(25)]
// Read(u32 socket) -> (i32 ret, u32 bsd_errno, buffer<i8, 0x22, 0> message)
public ResultCode Read(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
(long receivePosition, long receiveLength) = context.Request.GetBufferType0x22();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
int result = -1;
if (socket != null)
{
byte[] receivedBuffer = new byte[receiveLength];
try
{
result = socket.Handle.Receive(receivedBuffer);
errno = SetResultErrno(socket.Handle, result);
}
catch (SocketException exception)
{
errno = ConvertError((WsaError)exception.ErrorCode);
}
}
return WriteBsdResult(context, result, errno);
}
[Command(26)]
// Close(u32 socket) -> (i32 ret, u32 bsd_errno)
public ResultCode Close(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
LinuxError errno = LinuxError.EBADF;
BsdSocket socket = RetrieveSocket(socketFd);
if (socket != null)
{
socket.Handle.Close();
_sockets[socketFd] = null;
errno = LinuxError.SUCCESS;
}
return WriteBsdResult(context, 0, errno);
}
[Command(27)]
// DuplicateSocket(u32 socket, u64 reserved) -> (i32 ret, u32 bsd_errno)
public ResultCode DuplicateSocket(ServiceCtx context)
{
int socketFd = context.RequestData.ReadInt32();
ulong reserved = context.RequestData.ReadUInt64();
LinuxError errno = LinuxError.ENOENT;
int newSockFd = -1;
if (_isPrivileged)
{
errno = LinuxError.EBADF;
BsdSocket oldSocket = RetrieveSocket(socketFd);
if (oldSocket != null)
{
_sockets.Add(oldSocket);
newSockFd = _sockets.Count - 1;
}
}
return WriteBsdResult(context, newSockFd, errno);
}
}
}