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sfdnsres; Fix deserializer of AddrInfoSerialized when addresses are empty (#3924)
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@ -566,7 +566,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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private static List<AddrInfoSerialized> DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
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{
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List<AddrInfoSerialized> result = new List<AddrInfoSerialized>();
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List<AddrInfoSerialized> result = new();
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ReadOnlySpan<byte> data = memory.GetSpan(address, (int)size);
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@ -606,9 +606,9 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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}
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// NOTE: 0 = Any
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AddrInfoSerializedHeader header = new AddrInfoSerializedHeader(ip, 0);
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AddrInfo4 addr = new AddrInfo4(ip, (short)port);
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AddrInfoSerialized info = new AddrInfoSerialized(header, addr, null, hostEntry.HostName);
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AddrInfoSerializedHeader header = new(ip, 0);
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AddrInfo4 addr = new(ip, (short)port);
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AddrInfoSerialized info = new(header, addr, null, hostEntry.HostName);
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data = info.Write(data);
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}
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@ -14,6 +14,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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public byte Family;
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public short Port;
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public Array4<byte> Address;
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public Array8<byte> Padding;
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public AddrInfo4(IPAddress address, short port)
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{
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@ -35,7 +35,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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AddrInfo4? socketAddress = null;
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Array4<byte>? rawIPv4Address = null;
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string canonicalName = null;
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string canonicalName;
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buffer = buffer[Unsafe.SizeOf<AddrInfoSerializedHeader>()..];
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@ -50,6 +50,13 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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Debug.Assert(header.Magic == SfdnsresContants.AddrInfoMagic);
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if (header.AddressLength == 0)
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{
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rest = buffer;
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return null;
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}
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if (header.Family == (int)AddressFamily.InterNetwork)
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{
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socketAddress = MemoryMarshal.Read<AddrInfo4>(buffer);
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