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Stub unsupported BSD socket options (Ryujinx#5670)
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* Stub unsupported BSD socket options

* Span.Clear
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@gdkchan
gdkchan committed Sep 19, 2023
1 parent e601419 commit 44862dc
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Showing 2 changed files with 143 additions and 2 deletions.
23 changes: 21 additions & 2 deletions src/Ryujinx.HLE/HOS/Services/Sockets/Bsd/Impl/ManagedSocket.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -299,11 +299,21 @@ public LinuxError GetSocketOption(BsdSocketOption option, SocketOptionLevel leve
{
try
{
LinuxError result = WinSockHelper.ValidateSocketOption(option, level, write: false);

if (result != LinuxError.SUCCESS)
{
Logger.Warning?.Print(LogClass.ServiceBsd, $"Invalid GetSockOpt Option: {option} Level: {level}");

return result;
}

if (!WinSockHelper.TryConvertSocketOption(option, level, out SocketOptionName optionName))
{
Logger.Warning?.Print(LogClass.ServiceBsd, $"Unsupported GetSockOpt Option: {option} Level: {level}");
optionValue.Clear();

return LinuxError.EOPNOTSUPP;
return LinuxError.SUCCESS;
}

byte[] tempOptionValue = new byte[optionValue.Length];
Expand All @@ -324,11 +334,20 @@ public LinuxError SetSocketOption(BsdSocketOption option, SocketOptionLevel leve
{
try
{
LinuxError result = WinSockHelper.ValidateSocketOption(option, level, write: true);

if (result != LinuxError.SUCCESS)
{
Logger.Warning?.Print(LogClass.ServiceBsd, $"Invalid SetSockOpt Option: {option} Level: {level}");

return result;
}

if (!WinSockHelper.TryConvertSocketOption(option, level, out SocketOptionName optionName))
{
Logger.Warning?.Print(LogClass.ServiceBsd, $"Unsupported SetSockOpt Option: {option} Level: {level}");

return LinuxError.EOPNOTSUPP;
return LinuxError.SUCCESS;
}

int value = optionValue.Length >= 4 ? MemoryMarshal.Read<int>(optionValue) : MemoryMarshal.Read<byte>(optionValue);
Expand Down
122 changes: 122 additions & 0 deletions src/Ryujinx.HLE/HOS/Services/Sockets/Bsd/Impl/WinSockHelper.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -183,6 +183,104 @@ static class WinSockHelper
{ BsdSocketOption.TcpKeepCnt, SocketOptionName.TcpKeepAliveRetryCount },
};

[Flags]
private enum OptionDir
{
Get = 1 << 0,
Set = 1 << 1,
GetSet = Get | Set,
}

private static readonly Dictionary<BsdSocketOption, OptionDir> _validSoSocketOptionMap = new()
{
{ BsdSocketOption.SoDebug, OptionDir.GetSet },
{ BsdSocketOption.SoAcceptConn, OptionDir.Get },
{ BsdSocketOption.SoReuseAddr, OptionDir.GetSet },
{ BsdSocketOption.SoKeepAlive, OptionDir.GetSet },
{ BsdSocketOption.SoDontRoute, OptionDir.GetSet },
{ BsdSocketOption.SoBroadcast, OptionDir.GetSet },
{ BsdSocketOption.SoUseLoopBack, OptionDir.GetSet },
{ BsdSocketOption.SoLinger, OptionDir.GetSet },
{ BsdSocketOption.SoOobInline, OptionDir.GetSet },
{ BsdSocketOption.SoReusePort, OptionDir.GetSet },
{ BsdSocketOption.SoTimestamp, OptionDir.GetSet },
{ BsdSocketOption.SoNoSigpipe, OptionDir.GetSet },
{ BsdSocketOption.SoAcceptFilter, OptionDir.GetSet },
{ BsdSocketOption.SoSndBuf, OptionDir.GetSet },
{ BsdSocketOption.SoRcvBuf, OptionDir.GetSet },
{ BsdSocketOption.SoSndLoWat, OptionDir.GetSet },
{ BsdSocketOption.SoRcvLoWat, OptionDir.GetSet },
{ BsdSocketOption.SoSndTimeo, OptionDir.GetSet },
{ BsdSocketOption.SoRcvTimeo, OptionDir.GetSet },
{ BsdSocketOption.SoError, OptionDir.Get },
{ BsdSocketOption.SoType, OptionDir.Get },
{ BsdSocketOption.SoLabel, OptionDir.Get },
{ BsdSocketOption.SoPeerLabel, OptionDir.Get },
{ BsdSocketOption.SoListenQLimit, OptionDir.Get },
{ BsdSocketOption.SoListenQLen, OptionDir.Get },
{ BsdSocketOption.SoListenIncQLen, OptionDir.Get },
{ BsdSocketOption.SoSetFib, OptionDir.Set },
{ BsdSocketOption.SoUserCookie, OptionDir.Set },
{ BsdSocketOption.SoProtocol, OptionDir.Get },
{ BsdSocketOption.SoBinTime, OptionDir.GetSet },
{ BsdSocketOption.SoNoOffload, OptionDir.Set },
{ BsdSocketOption.SoNoDdp, OptionDir.Set },
{ BsdSocketOption.SoReusePortLb, OptionDir.GetSet },
};

private static readonly Dictionary<BsdSocketOption, OptionDir> _validIpSocketOptionMap = new()
{
{ BsdSocketOption.IpOptions, OptionDir.GetSet },
{ BsdSocketOption.IpHdrIncl, OptionDir.GetSet },
{ BsdSocketOption.IpTos, OptionDir.GetSet },
{ BsdSocketOption.IpTtl, OptionDir.GetSet },
{ BsdSocketOption.IpRecvOpts, OptionDir.GetSet },
{ BsdSocketOption.IpRecvRetOpts, OptionDir.GetSet },
{ BsdSocketOption.IpRecvDstAddr, OptionDir.GetSet },
{ BsdSocketOption.IpRetOpts, OptionDir.GetSet },
{ BsdSocketOption.IpMulticastIf, OptionDir.GetSet },
{ BsdSocketOption.IpMulticastTtl, OptionDir.GetSet },
{ BsdSocketOption.IpMulticastLoop, OptionDir.GetSet },
{ BsdSocketOption.IpAddMembership, OptionDir.GetSet },
{ BsdSocketOption.IpDropMembership, OptionDir.GetSet },
{ BsdSocketOption.IpMulticastVif, OptionDir.GetSet },
{ BsdSocketOption.IpRsvpOn, OptionDir.GetSet },
{ BsdSocketOption.IpRsvpOff, OptionDir.GetSet },
{ BsdSocketOption.IpRsvpVifOn, OptionDir.GetSet },
{ BsdSocketOption.IpRsvpVifOff, OptionDir.GetSet },
{ BsdSocketOption.IpPortRange, OptionDir.GetSet },
{ BsdSocketOption.IpRecvIf, OptionDir.GetSet },
{ BsdSocketOption.IpIpsecPolicy, OptionDir.GetSet },
{ BsdSocketOption.IpOnesBcast, OptionDir.GetSet },
{ BsdSocketOption.IpBindany, OptionDir.GetSet },
{ BsdSocketOption.IpBindMulti, OptionDir.GetSet },
{ BsdSocketOption.IpRssListenBucket, OptionDir.GetSet },
{ BsdSocketOption.IpOrigDstAddr, OptionDir.GetSet },
{ BsdSocketOption.IpRecvTtl, OptionDir.GetSet },
{ BsdSocketOption.IpMinTtl, OptionDir.GetSet },
{ BsdSocketOption.IpDontFrag, OptionDir.GetSet },
{ BsdSocketOption.IpRecvTos, OptionDir.GetSet },
{ BsdSocketOption.IpAddSourceMembership, OptionDir.GetSet },
{ BsdSocketOption.IpDropSourceMembership, OptionDir.GetSet },
{ BsdSocketOption.IpBlockSource, OptionDir.GetSet },
{ BsdSocketOption.IpUnblockSource, OptionDir.GetSet },
};

private static readonly Dictionary<BsdSocketOption, OptionDir> _validTcpSocketOptionMap = new()
{
{ BsdSocketOption.TcpNoDelay, OptionDir.GetSet },
{ BsdSocketOption.TcpMaxSeg, OptionDir.GetSet },
{ BsdSocketOption.TcpNoPush, OptionDir.GetSet },
{ BsdSocketOption.TcpNoOpt, OptionDir.GetSet },
{ BsdSocketOption.TcpMd5Sig, OptionDir.GetSet },
{ BsdSocketOption.TcpInfo, OptionDir.GetSet },
{ BsdSocketOption.TcpCongestion, OptionDir.GetSet },
{ BsdSocketOption.TcpKeepInit, OptionDir.GetSet },
{ BsdSocketOption.TcpKeepIdle, OptionDir.GetSet },
{ BsdSocketOption.TcpKeepIntvl, OptionDir.GetSet },
{ BsdSocketOption.TcpKeepCnt, OptionDir.GetSet },
};

public static LinuxError ConvertError(WsaError errorCode)
{
if (OperatingSystem.IsMacOS())
Expand Down Expand Up @@ -221,5 +319,29 @@ public static bool TryConvertSocketOption(BsdSocketOption option, SocketOptionLe

return table.TryGetValue(option, out name);
}

public static LinuxError ValidateSocketOption(BsdSocketOption option, SocketOptionLevel level, bool write)
{
var table = level switch
{
SocketOptionLevel.Socket => _validSoSocketOptionMap,
SocketOptionLevel.IP => _validIpSocketOptionMap,
SocketOptionLevel.Tcp => _validTcpSocketOptionMap,
_ => null,
};

OptionDir dir = write ? OptionDir.Set : OptionDir.Get;

if (table == null || !table.TryGetValue(option, out OptionDir validDir))
{
return LinuxError.ENOPROTOOPT;
}
else if ((validDir & dir) != dir)
{
return LinuxError.EOPNOTSUPP;
}

return LinuxError.SUCCESS;
}
}
}

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