mirror of
https://github.com/Ryujinx/Ryujinx.git
synced 2024-08-17 14:18:44 +02:00
sfdnsres: Fix serialization issues (#2992)
* sfdnsres: Fix serialization issues Fix a crash on Monster Hunter Rise * Address gdkchan's comments * Address gdkchan's comments
This commit is contained in:
parent
f4bbc019b9
commit
d300a5a45b
5 changed files with 244 additions and 54 deletions
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@ -1,4 +1,5 @@
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using Ryujinx.Common.Logging;
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using Ryujinx.Common.Logging;
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using Ryujinx.Common.Memory;
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using Ryujinx.Cpu;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Services.Sockets.Nsd.Manager;
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using Ryujinx.HLE.HOS.Services.Sockets.Nsd.Manager;
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using Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Proxy;
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using Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Proxy;
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@ -11,6 +12,7 @@ using System.Linq;
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using System.Net;
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using System.Net;
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using System.Net.Sockets;
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using System.Net.Sockets;
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using System.Runtime.CompilerServices;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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@ -268,7 +270,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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NetDbError netDbErrorCode = NetDbError.Success;
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NetDbError netDbErrorCode = NetDbError.Success;
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GaiError errno = GaiError.Overflow;
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GaiError errno = GaiError.Overflow;
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ulong serializedSize = 0;
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int serializedSize = 0;
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if (host.Length <= byte.MaxValue)
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if (host.Length <= byte.MaxValue)
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{
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{
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@ -368,7 +370,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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NetDbError netDbErrorCode = NetDbError.Success;
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NetDbError netDbErrorCode = NetDbError.Success;
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GaiError errno = GaiError.AddressFamily;
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GaiError errno = GaiError.AddressFamily;
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ulong serializedSize = 0;
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int serializedSize = 0;
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if (rawIp.Length == 4)
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if (rawIp.Length == 4)
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{
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{
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@ -400,7 +402,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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return ResultCode.Success;
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return ResultCode.Success;
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}
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}
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private static ulong SerializeHostEntries(ServiceCtx context, ulong outputBufferPosition, ulong outputBufferSize, IPHostEntry hostEntry, IEnumerable<IPAddress> addresses = null)
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private static int SerializeHostEntries(ServiceCtx context, ulong outputBufferPosition, ulong outputBufferSize, IPHostEntry hostEntry, IEnumerable<IPAddress> addresses = null)
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{
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{
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ulong originalBufferPosition = outputBufferPosition;
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ulong originalBufferPosition = outputBufferPosition;
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ulong bufferPosition = originalBufferPosition;
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ulong bufferPosition = originalBufferPosition;
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@ -443,7 +445,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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}
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}
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}
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}
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return bufferPosition - originalBufferPosition;
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return (int)(bufferPosition - originalBufferPosition);
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}
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}
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private static ResultCode GetAddrInfoRequestImpl(
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private static ResultCode GetAddrInfoRequestImpl(
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@ -470,7 +472,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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}
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}
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// NOTE: We ignore hints for now.
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// NOTE: We ignore hints for now.
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DeserializeAddrInfos(context.Memory, (ulong)context.Request.SendBuff[2].Position, (ulong)context.Request.SendBuff[2].Size);
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List<AddrInfoSerialized> hints = DeserializeAddrInfos(context.Memory, context.Request.SendBuff[2].Position, context.Request.SendBuff[2].Size);
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if (withOptions)
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if (withOptions)
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{
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{
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@ -484,7 +486,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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NetDbError netDbErrorCode = NetDbError.Success;
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NetDbError netDbErrorCode = NetDbError.Success;
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GaiError errno = GaiError.AddressFamily;
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GaiError errno = GaiError.AddressFamily;
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ulong serializedSize = 0;
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int serializedSize = 0;
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if (host.Length <= byte.MaxValue)
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if (host.Length <= byte.MaxValue)
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{
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{
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@ -538,74 +540,73 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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return ResultCode.Success;
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return ResultCode.Success;
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}
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}
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private static void DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
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private static List<AddrInfoSerialized> DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
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{
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{
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ulong endAddress = address + size;
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List<AddrInfoSerialized> result = new List<AddrInfoSerialized>();
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while (address < endAddress)
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ReadOnlySpan<byte> data = memory.GetSpan(address, (int)size);
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while (!data.IsEmpty)
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{
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{
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AddrInfoSerializedHeader header = memory.Read<AddrInfoSerializedHeader>(address);
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AddrInfoSerialized info = AddrInfoSerialized.Read(data, out data);
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if (header.Magic != SfdnsresContants.AddrInfoMagic)
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if (info == null)
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{
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{
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break;
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break;
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}
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}
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address += (ulong)Unsafe.SizeOf<AddrInfoSerializedHeader>() + header.AddressLength;
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result.Add(info);
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// ai_canonname
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string canonname = MemoryHelper.ReadAsciiString(memory, address);
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}
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}
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return result;
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}
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}
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private static ulong SerializeAddrInfos(ServiceCtx context, ulong responseBufferPosition, ulong responseBufferSize, IPHostEntry hostEntry, int port)
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private static int SerializeAddrInfos(ServiceCtx context, ulong responseBufferPosition, ulong responseBufferSize, IPHostEntry hostEntry, int port)
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{
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{
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ulong originalBufferPosition = (ulong)responseBufferPosition;
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ulong originalBufferPosition = responseBufferPosition;
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ulong bufferPosition = originalBufferPosition;
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ulong bufferPosition = originalBufferPosition;
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string hostName = hostEntry.HostName + '\0';
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byte[] hostName = Encoding.ASCII.GetBytes(hostEntry.HostName + '\0');
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for (int i = 0; i < hostEntry.AddressList.Length; i++)
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using (WritableRegion region = context.Memory.GetWritableRegion(responseBufferPosition, (int)responseBufferSize))
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{
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{
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IPAddress ip = hostEntry.AddressList[i];
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Span<byte> data = region.Memory.Span;
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if (ip.AddressFamily != AddressFamily.InterNetwork)
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for (int i = 0; i < hostEntry.AddressList.Length; i++)
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{
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{
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continue;
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IPAddress ip = hostEntry.AddressList[i];
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if (ip.AddressFamily != AddressFamily.InterNetwork)
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{
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continue;
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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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data = info.Write(data);
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}
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}
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AddrInfoSerializedHeader header = new AddrInfoSerializedHeader(ip, 0);
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uint sentinel = 0;
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MemoryMarshal.Write(data, ref sentinel);
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data = data[sizeof(uint)..];
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// NOTE: 0 = Any
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return region.Memory.Span.Length - data.Length;
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context.Memory.Write(bufferPosition, header);
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bufferPosition += (ulong)Unsafe.SizeOf<AddrInfoSerializedHeader>();
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// addrinfo_in
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context.Memory.Write(bufferPosition, new AddrInfo4(ip, (short)port));
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bufferPosition += header.AddressLength;
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// ai_canonname
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context.Memory.Write(bufferPosition, Encoding.ASCII.GetBytes(hostName));
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bufferPosition += (ulong)hostName.Length;
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}
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}
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// Termination zero value.
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context.Memory.Write(bufferPosition, 0);
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bufferPosition += sizeof(int);
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return bufferPosition - originalBufferPosition;
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}
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}
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private static void WriteResponse(
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private static void WriteResponse(
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ServiceCtx context,
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ServiceCtx context,
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bool withOptions,
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bool withOptions,
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ulong serializedSize,
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int serializedSize,
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GaiError errno,
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GaiError errno,
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NetDbError netDbErrorCode)
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NetDbError netDbErrorCode)
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{
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{
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if (withOptions)
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if (withOptions)
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{
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{
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context.ResponseData.Write((int)serializedSize);
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context.ResponseData.Write(serializedSize);
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context.ResponseData.Write((int)errno);
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context.ResponseData.Write((int)errno);
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context.ResponseData.Write((int)netDbErrorCode);
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context.ResponseData.Write((int)netDbErrorCode);
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context.ResponseData.Write(0);
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context.ResponseData.Write(0);
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@ -2,6 +2,7 @@
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using System;
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using System;
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using System.Net;
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using System.Net;
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using System.Net.Sockets;
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using System.Net.Sockets;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Runtime.InteropServices;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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public AddrInfo4(IPAddress address, short port)
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public AddrInfo4(IPAddress address, short port)
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{
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{
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Length = 0;
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Length = (byte)Unsafe.SizeOf<Array4<byte>>();
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Family = (byte)AddressFamily.InterNetwork;
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Family = (byte)AddressFamily.InterNetwork;
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Port = port;
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Port = port;
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Address = default;
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Address = new Array4<byte>();
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Span<byte> outAddress = Address.ToSpan();
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address.TryWriteBytes(Address.ToSpan(), out _);
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address.TryWriteBytes(outAddress, out _);
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}
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outAddress.Reverse();
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public void ToNetworkOrder()
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{
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Port = IPAddress.HostToNetworkOrder(Port);
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RawIpv4AddressNetworkEndianSwap(ref Address);
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}
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public void ToHostOrder()
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{
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Port = IPAddress.NetworkToHostOrder(Port);
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RawIpv4AddressNetworkEndianSwap(ref Address);
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}
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public static void RawIpv4AddressNetworkEndianSwap(ref Array4<byte> address)
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{
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if (BitConverter.IsLittleEndian)
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{
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address.ToSpan().Reverse();
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}
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}
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}
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}
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}
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}
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}
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@ -0,0 +1,136 @@
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using Ryujinx.Common.Memory;
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using Ryujinx.HLE.Utilities;
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using System;
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using System.Diagnostics;
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using System.Net.Sockets;
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using System.Runtime.CompilerServices;
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using System.Runtime.InteropServices;
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using System.Text;
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namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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{
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class AddrInfoSerialized
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{
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public AddrInfoSerializedHeader Header;
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public AddrInfo4? SocketAddress;
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public Array4<byte>? RawIPv4Address;
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public string CanonicalName;
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public AddrInfoSerialized(AddrInfoSerializedHeader header, AddrInfo4? address, Array4<byte>? rawIPv4Address, string canonicalName)
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{
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Header = header;
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SocketAddress = address;
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RawIPv4Address = rawIPv4Address;
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CanonicalName = canonicalName;
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}
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public static AddrInfoSerialized Read(ReadOnlySpan<byte> buffer, out ReadOnlySpan<byte> rest)
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{
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if (!MemoryMarshal.TryRead(buffer, out AddrInfoSerializedHeader header))
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{
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rest = buffer;
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return null;
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}
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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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buffer = buffer[Unsafe.SizeOf<AddrInfoSerializedHeader>()..];
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header.ToHostOrder();
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if (header.Magic != SfdnsresContants.AddrInfoMagic)
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{
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rest = buffer;
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return null;
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}
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Debug.Assert(header.Magic == SfdnsresContants.AddrInfoMagic);
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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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socketAddress.Value.ToHostOrder();
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buffer = buffer[Unsafe.SizeOf<AddrInfo4>()..];
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}
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// AF_INET6
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else if (header.Family == 28)
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{
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throw new NotImplementedException();
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}
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else
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{
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// Nintendo hardcode 4 bytes in that case here.
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Array4<byte> address = MemoryMarshal.Read<Array4<byte>>(buffer);
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AddrInfo4.RawIpv4AddressNetworkEndianSwap(ref address);
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rawIPv4Address = address;
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buffer = buffer[Unsafe.SizeOf<Array4<byte>>()..];
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}
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canonicalName = StringUtils.ReadUtf8String(buffer, out int dataRead);
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buffer = buffer[dataRead..];
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rest = buffer;
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return new AddrInfoSerialized(header, socketAddress, rawIPv4Address, canonicalName);
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}
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public Span<byte> Write(Span<byte> buffer)
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{
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int familly = Header.Family;
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Header.ToNetworkOrder();
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MemoryMarshal.Write(buffer, ref Header);
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buffer = buffer[Unsafe.SizeOf<AddrInfoSerializedHeader>()..];
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if (familly == (int)AddressFamily.InterNetwork)
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{
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AddrInfo4 socketAddress = SocketAddress.Value;
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socketAddress.ToNetworkOrder();
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MemoryMarshal.Write(buffer, ref socketAddress);
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buffer = buffer[Unsafe.SizeOf<AddrInfo4>()..];
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}
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// AF_INET6
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else if (familly == 28)
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{
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throw new NotImplementedException();
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}
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else
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{
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Array4<byte> rawIPv4Address = RawIPv4Address.Value;
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AddrInfo4.RawIpv4AddressNetworkEndianSwap(ref rawIPv4Address);
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MemoryMarshal.Write(buffer, ref rawIPv4Address);
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buffer = buffer[Unsafe.SizeOf<Array4<byte>>()..];
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}
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if (CanonicalName == null)
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{
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buffer[0] = 0;
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buffer = buffer[1..];
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}
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else
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{
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byte[] canonicalName = Encoding.ASCII.GetBytes(CanonicalName + '\0');
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canonicalName.CopyTo(buffer);
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buffer = buffer[canonicalName.Length..];
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}
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return buffer;
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}
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}
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}
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@ -1,4 +1,4 @@
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using System.Buffers.Binary;
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using Ryujinx.Common.Memory;
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using System.Net;
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using System.Net;
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using System.Net.Sockets;
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using System.Net.Sockets;
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using System.Runtime.CompilerServices;
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using System.Runtime.CompilerServices;
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@ -18,11 +18,11 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
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public AddrInfoSerializedHeader(IPAddress address, SocketType socketType)
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public AddrInfoSerializedHeader(IPAddress address, SocketType socketType)
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{
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{
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Magic = (uint)BinaryPrimitives.ReverseEndianness(unchecked((int)SfdnsresContants.AddrInfoMagic));
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Magic = SfdnsresContants.AddrInfoMagic;
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Flags = 0; // Big Endian
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Flags = 0;
|
||||||
Family = BinaryPrimitives.ReverseEndianness((int)address.AddressFamily);
|
Family = (int)address.AddressFamily;
|
||||||
SocketType = BinaryPrimitives.ReverseEndianness((int)socketType);
|
SocketType = (int)socketType;
|
||||||
Protocol = 0; // Big Endian
|
Protocol = 0;
|
||||||
|
|
||||||
if (address.AddressFamily == AddressFamily.InterNetwork)
|
if (address.AddressFamily == AddressFamily.InterNetwork)
|
||||||
{
|
{
|
||||||
|
@ -30,8 +30,28 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
AddressLength = 4;
|
AddressLength = (uint)Unsafe.SizeOf<Array4<byte>>();
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public void ToNetworkOrder()
|
||||||
|
{
|
||||||
|
Magic = (uint)IPAddress.HostToNetworkOrder((int)Magic);
|
||||||
|
Flags = IPAddress.HostToNetworkOrder(Flags);
|
||||||
|
Family = IPAddress.HostToNetworkOrder(Family);
|
||||||
|
SocketType = IPAddress.HostToNetworkOrder(SocketType);
|
||||||
|
Protocol = IPAddress.HostToNetworkOrder(Protocol);
|
||||||
|
AddressLength = (uint)IPAddress.HostToNetworkOrder((int)AddressLength);
|
||||||
|
}
|
||||||
|
|
||||||
|
public void ToHostOrder()
|
||||||
|
{
|
||||||
|
Magic = (uint)IPAddress.NetworkToHostOrder((int)Magic);
|
||||||
|
Flags = IPAddress.NetworkToHostOrder(Flags);
|
||||||
|
Family = IPAddress.NetworkToHostOrder(Family);
|
||||||
|
SocketType = IPAddress.NetworkToHostOrder(SocketType);
|
||||||
|
Protocol = IPAddress.NetworkToHostOrder(Protocol);
|
||||||
|
AddressLength = (uint)IPAddress.NetworkToHostOrder((int)AddressLength);
|
||||||
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
|
@ -60,6 +60,18 @@ namespace Ryujinx.HLE.Utilities
|
||||||
return output;
|
return output;
|
||||||
}
|
}
|
||||||
|
|
||||||
|
public static string ReadUtf8String(ReadOnlySpan<byte> data, out int dataRead)
|
||||||
|
{
|
||||||
|
dataRead = data.IndexOf((byte)0) + 1;
|
||||||
|
|
||||||
|
if (dataRead <= 1)
|
||||||
|
{
|
||||||
|
return string.Empty;
|
||||||
|
}
|
||||||
|
|
||||||
|
return Encoding.UTF8.GetString(data[..dataRead]);
|
||||||
|
}
|
||||||
|
|
||||||
public static string ReadUtf8String(ServiceCtx context, int index = 0)
|
public static string ReadUtf8String(ServiceCtx context, int index = 0)
|
||||||
{
|
{
|
||||||
ulong position = context.Request.PtrBuff[index].Position;
|
ulong position = context.Request.PtrBuff[index].Position;
|
||||||
|
|
Loading…
Reference in a new issue