forked from Mirror/Ryujinx
sfdnsres: Cleanup service and implements some calls (#2130)
* sfdnsres: Cleanup service and implements some calls This PR is a big cleanup to our current implementation of `sfdnsres` service. Additionnaly to that, some calls and fix have been done by @Thog (PRd with approval, thanks to her). - Implementation of `GetAddrInfoRequest` (Fixes #637). - Partial implementation of `GetHostByNameRequestWithOptions`, `GetHostByAddrRequestWithOptions` and `GetAddrInfoRequestWithOptions` (Fixes #642, Fixes #1233). A DNS Blacklist have been done by @riperiperi (which is currently used in LDN build, then that reduces code differences between the LDN build and master. Now a lot of games are playable or are blocked to the menu because it needs online service: Co-Authored-By: Mary <1760003+Thog@users.noreply.github.com> Co-Authored-By: riperiperi <6294155+riperiperi@users.noreply.github.com> * Addressed gdkchan's comments * IPAddress[] to IEnumerable * Nits Co-authored-by: Mary <1760003+Thog@users.noreply.github.com> Co-authored-by: riperiperi <6294155+riperiperi@users.noreply.github.com>
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5 changed files with 532 additions and 255 deletions
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@ -1,8 +1,15 @@
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using Ryujinx.Common.Logging;
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using Ryujinx.Common.Logging;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Proxy;
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using Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types;
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using Ryujinx.Memory;
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using System;
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using System;
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using System.Buffers.Binary;
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using System.Collections.Generic;
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using System.Collections.Generic;
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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.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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@ -12,209 +19,250 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
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{
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{
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public IResolver(ServiceCtx context) { }
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public IResolver(ServiceCtx context) { }
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private long SerializeHostEnt(ServiceCtx context, IPHostEntry hostEntry, List<IPAddress> addresses = null)
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{
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long originalBufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferPosition = originalBufferPosition;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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string hostName = hostEntry.HostName + '\0';
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// h_name
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context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(hostName));
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bufferPosition += hostName.Length;
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// h_aliases list size
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context.Memory.Write((ulong)bufferPosition, IPAddress.HostToNetworkOrder(hostEntry.Aliases.Length));
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bufferPosition += 4;
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// Actual aliases
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foreach (string alias in hostEntry.Aliases)
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{
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context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(alias + '\0'));
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bufferPosition += alias.Length + 1;
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}
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// h_addrtype but it's a short (also only support IPv4)
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context.Memory.Write((ulong)bufferPosition, IPAddress.HostToNetworkOrder((short)2));
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bufferPosition += 2;
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// h_length but it's a short
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context.Memory.Write((ulong)bufferPosition, IPAddress.HostToNetworkOrder((short)4));
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bufferPosition += 2;
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// Ip address count, we can only support ipv4 (blame Nintendo)
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context.Memory.Write((ulong)bufferPosition, addresses != null ? IPAddress.HostToNetworkOrder(addresses.Count) : 0);
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bufferPosition += 4;
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if (addresses != null)
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{
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foreach (IPAddress ip in addresses)
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{
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context.Memory.Write((ulong)bufferPosition, IPAddress.HostToNetworkOrder(BitConverter.ToInt32(ip.GetAddressBytes(), 0)));
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bufferPosition += 4;
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}
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}
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return bufferPosition - originalBufferPosition;
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}
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private string GetGaiStringErrorFromErrorCode(GaiError errorCode)
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{
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if (errorCode > GaiError.Max)
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{
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errorCode = GaiError.Max;
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}
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switch (errorCode)
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{
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case GaiError.AddressFamily:
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return "Address family for hostname not supported";
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case GaiError.Again:
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return "Temporary failure in name resolution";
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case GaiError.BadFlags:
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return "Invalid value for ai_flags";
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case GaiError.Fail:
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return "Non-recoverable failure in name resolution";
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case GaiError.Family:
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return "ai_family not supported";
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case GaiError.Memory:
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return "Memory allocation failure";
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case GaiError.NoData:
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return "No address associated with hostname";
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case GaiError.NoName:
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return "hostname nor servname provided, or not known";
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case GaiError.Service:
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return "servname not supported for ai_socktype";
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case GaiError.SocketType:
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return "ai_socktype not supported";
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case GaiError.System:
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return "System error returned in errno";
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case GaiError.BadHints:
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return "Invalid value for hints";
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case GaiError.Protocol:
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return "Resolved protocol is unknown";
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case GaiError.Overflow:
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return "Argument buffer overflow";
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case GaiError.Max:
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return "Unknown error";
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default:
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return "Success";
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}
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}
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private string GetHostStringErrorFromErrorCode(NetDbError errorCode)
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{
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if (errorCode <= NetDbError.Internal)
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{
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return "Resolver internal error";
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}
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switch (errorCode)
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{
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case NetDbError.Success:
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return "Resolver Error 0 (no error)";
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case NetDbError.HostNotFound:
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return "Unknown host";
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case NetDbError.TryAgain:
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return "Host name lookup failure";
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case NetDbError.NoRecovery:
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return "Unknown server error";
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case NetDbError.NoData:
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return "No address associated with name";
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default:
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return "Unknown resolver error";
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}
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}
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private List<IPAddress> GetIpv4Addresses(IPHostEntry hostEntry)
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{
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List<IPAddress> result = new List<IPAddress>();
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foreach (IPAddress ip in hostEntry.AddressList)
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{
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if (ip.AddressFamily == AddressFamily.InterNetwork)
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result.Add(ip);
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}
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return result;
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}
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[Command(0)]
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[Command(0)]
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// SetDnsAddressesPrivate(u32, buffer<unknown, 5, 0>)
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// SetDnsAddressesPrivateRequest(u32, buffer<unknown, 5, 0>)
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public ResultCode SetDnsAddressesPrivate(ServiceCtx context)
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public ResultCode SetDnsAddressesPrivateRequest(ServiceCtx context)
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{
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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uint cancelHandleRequest = context.RequestData.ReadUInt32();
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long bufferPosition = context.Request.SendBuff[0].Position;
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long bufferPosition = context.Request.SendBuff[0].Position;
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long bufferSize = context.Request.SendBuff[0].Size;
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long bufferSize = context.Request.SendBuff[0].Size;
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake completeness.
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake of completeness.
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { cancelHandleRequest });
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return ResultCode.NotAllocated;
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return ResultCode.NotAllocated;
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}
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}
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[Command(1)]
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[Command(1)]
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// GetDnsAddressPrivate(u32) -> buffer<unknown, 6, 0>
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// GetDnsAddressPrivateRequest(u32) -> buffer<unknown, 6, 0>
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public ResultCode GetDnsAddressesPrivate(ServiceCtx context)
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public ResultCode GetDnsAddressPrivateRequest(ServiceCtx context)
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{
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{
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uint unknown0 = context.RequestData.ReadUInt32();
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uint cancelHandleRequest = context.RequestData.ReadUInt32();
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long bufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake completeness.
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// TODO: This is stubbed in 2.0.0+, reverse 1.0.0 version for the sake of completeness.
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { cancelHandleRequest });
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return ResultCode.NotAllocated;
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return ResultCode.NotAllocated;
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}
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}
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[Command(2)]
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[Command(2)]
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// GetHostByName(u8, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
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// GetHostByNameRequest(u8, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
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public ResultCode GetHostByName(ServiceCtx context)
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public ResultCode GetHostByNameRequest(ServiceCtx context)
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{
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{
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byte[] rawName = new byte[context.Request.SendBuff[0].Size];
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long inputBufferPosition = context.Request.SendBuff[0].Position;
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long inputBufferSize = context.Request.SendBuff[0].Size;
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context.Memory.Read((ulong)context.Request.SendBuff[0].Position, rawName);
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long outputBufferPosition = context.Request.ReceiveBuff[0].Position;
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long outputBufferSize = context.Request.ReceiveBuff[0].Size;
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return GetHostByNameRequestImpl(context, inputBufferPosition, inputBufferSize, outputBufferPosition, outputBufferSize, 0, 0);
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}
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[Command(3)]
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// GetHostByAddrRequest(u32, u32, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
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public ResultCode GetHostByAddrRequest(ServiceCtx context)
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{
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long inputBufferPosition = context.Request.SendBuff[0].Position;
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long inputBufferSize = context.Request.SendBuff[0].Size;
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long outputBufferPosition = context.Request.ReceiveBuff[0].Position;
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long outputBufferSize = context.Request.ReceiveBuff[0].Size;
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return GetHostByAddrRequestImpl(context, inputBufferPosition, inputBufferSize, outputBufferPosition, outputBufferSize, 0, 0);
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}
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[Command(4)]
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// GetHostStringErrorRequest(u32) -> buffer<unknown, 6, 0>
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public ResultCode GetHostStringErrorRequest(ServiceCtx context)
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{
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ResultCode resultCode = ResultCode.NotAllocated;
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NetDbError errorCode = (NetDbError)context.RequestData.ReadInt32();
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string errorString = errorCode switch
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{
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NetDbError.Success => "Resolver Error 0 (no error)",
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NetDbError.HostNotFound => "Unknown host",
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NetDbError.TryAgain => "Host name lookup failure",
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NetDbError.NoRecovery => "Unknown server error",
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NetDbError.NoData => "No address associated with name",
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_ => (errorCode <= NetDbError.Internal) ? "Resolver internal error" : "Unknown resolver error"
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};
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long bufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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if (errorString.Length + 1 <= bufferSize)
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{
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context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(errorString + '\0'));
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resultCode = ResultCode.Success;
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}
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return resultCode;
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}
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[Command(5)]
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// GetGaiStringErrorRequest(u32) -> buffer<byte, 6, 0>
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public ResultCode GetGaiStringErrorRequest(ServiceCtx context)
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{
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ResultCode resultCode = ResultCode.NotAllocated;
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GaiError errorCode = (GaiError)context.RequestData.ReadInt32();
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if (errorCode > GaiError.Max)
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{
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errorCode = GaiError.Max;
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}
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string errorString = errorCode switch
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{
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GaiError.AddressFamily => "Address family for hostname not supported",
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GaiError.Again => "Temporary failure in name resolution",
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GaiError.BadFlags => "Invalid value for ai_flags",
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GaiError.Fail => "Non-recoverable failure in name resolution",
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GaiError.Family => "ai_family not supported",
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GaiError.Memory => "Memory allocation failure",
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GaiError.NoData => "No address associated with hostname",
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GaiError.NoName => "hostname nor servname provided, or not known",
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GaiError.Service => "servname not supported for ai_socktype",
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GaiError.SocketType => "ai_socktype not supported",
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GaiError.System => "System error returned in errno",
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GaiError.BadHints => "Invalid value for hints",
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GaiError.Protocol => "Resolved protocol is unknown",
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GaiError.Overflow => "Argument buffer overflow",
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GaiError.Max => "Unknown error",
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_ => "Success"
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};
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long bufferPosition = context.Request.ReceiveBuff[0].Position;
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long bufferSize = context.Request.ReceiveBuff[0].Size;
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if (errorString.Length + 1 <= bufferSize)
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{
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context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(errorString + '\0'));
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resultCode = ResultCode.Success;
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}
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return resultCode;
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}
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[Command(6)]
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// GetAddrInfoRequest(bool enable_nsd_resolve, u32, u64 pid_placeholder, pid, buffer<i8, 5, 0> host, buffer<i8, 5, 0> service, buffer<packed_addrinfo, 5, 0> hints) -> (i32 ret, u32 bsd_errno, u32 packed_addrinfo_size, buffer<packed_addrinfo, 6, 0> response)
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public ResultCode GetAddrInfoRequest(ServiceCtx context)
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{
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long responseBufferPosition = context.Request.ReceiveBuff[0].Position;
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long responseBufferSize = context.Request.ReceiveBuff[0].Size;
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return GetAddrInfoRequestImpl(context, responseBufferPosition, responseBufferSize, 0, 0);
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}
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[Command(8)]
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// GetCancelHandleRequest(u64, pid) -> u32
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public ResultCode GetCancelHandleRequest(ServiceCtx context)
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{
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ulong pidPlaceHolder = context.RequestData.ReadUInt64();
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uint cancelHandleRequest = 0;
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context.ResponseData.Write(cancelHandleRequest);
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { cancelHandleRequest });
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return ResultCode.Success;
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}
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[Command(9)]
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// CancelRequest(u32, u64, pid)
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public ResultCode CancelRequest(ServiceCtx context)
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{
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uint cancelHandleRequest = context.RequestData.ReadUInt32();
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ulong pidPlaceHolder = context.RequestData.ReadUInt64();
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Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { cancelHandleRequest });
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return ResultCode.Success;
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}
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[Command(10)] // 5.0.0+
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// GetHostByNameRequestWithOptions(u8, u32, u64, pid, buffer<unknown, 21, 0>, buffer<unknown, 21, 0>) -> (u32, u32, u32, buffer<unknown, 22, 0>)
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public ResultCode GetHostByNameRequestWithOptions(ServiceCtx context)
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{
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(long inputBufferPosition, long inputBufferSize) = context.Request.GetBufferType0x21();
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(long outputBufferPosition, long outputBufferSize) = context.Request.GetBufferType0x22();
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(long optionsBufferPosition, long optionsBufferSize) = context.Request.GetBufferType0x21();
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return GetHostByNameRequestImpl(context, inputBufferPosition, inputBufferSize, outputBufferPosition, outputBufferSize, optionsBufferPosition, optionsBufferSize);
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}
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[Command(11)] // 5.0.0+
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// GetHostByAddrRequestWithOptions(u32, u32, u32, u64, pid, buffer<unknown, 21, 0>, buffer<unknown, 21, 0>) -> (u32, u32, u32, buffer<unknown, 22, 0>)
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public ResultCode GetHostByAddrRequestWithOptions(ServiceCtx context)
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{
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(long inputBufferPosition, long inputBufferSize) = context.Request.GetBufferType0x21();
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(long outputBufferPosition, long outputBufferSize) = context.Request.GetBufferType0x22();
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(long optionsBufferPosition, long optionsBufferSize) = context.Request.GetBufferType0x21();
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return GetHostByAddrRequestImpl(context, inputBufferPosition, inputBufferSize, outputBufferPosition, outputBufferSize, optionsBufferPosition, optionsBufferSize);
|
||||||
|
}
|
||||||
|
|
||||||
|
[Command(12)] // 5.0.0+
|
||||||
|
// GetAddrInfoRequestWithOptions(bool enable_nsd_resolve, u32, u64 pid_placeholder, pid, buffer<i8, 5, 0> host, buffer<i8, 5, 0> service, buffer<packed_addrinfo, 5, 0> hints, buffer<unknown, 21, 0>) -> (i32 ret, u32 bsd_errno, u32 unknown, u32 packed_addrinfo_size, buffer<packed_addrinfo, 22, 0> response)
|
||||||
|
public ResultCode GetAddrInfoRequestWithOptions(ServiceCtx context)
|
||||||
|
{
|
||||||
|
(long responseBufferPosition, long responseBufferSize) = context.Request.GetBufferType0x22();
|
||||||
|
(long optionsBufferPosition, long optionsBufferSize) = context.Request.GetBufferType0x21();
|
||||||
|
|
||||||
|
return GetAddrInfoRequestImpl(context, responseBufferPosition, responseBufferSize, optionsBufferPosition, optionsBufferSize);
|
||||||
|
}
|
||||||
|
|
||||||
|
private ResultCode GetHostByNameRequestImpl(ServiceCtx context, long inputBufferPosition, long inputBufferSize, long outputBufferPosition, long outputBufferSize, long optionsBufferPosition, long optionsBufferSize)
|
||||||
|
{
|
||||||
|
byte[] rawName = new byte[inputBufferSize];
|
||||||
|
|
||||||
|
context.Memory.Read((ulong)inputBufferPosition, rawName);
|
||||||
|
|
||||||
string name = Encoding.ASCII.GetString(rawName).TrimEnd('\0');
|
string name = Encoding.ASCII.GetString(rawName).TrimEnd('\0');
|
||||||
|
|
||||||
// TODO: use params
|
// TODO: Use params.
|
||||||
bool enableNsdResolve = context.RequestData.ReadInt32() == 1;
|
bool enableNsdResolve = (context.RequestData.ReadInt32() & 1) != 0;
|
||||||
int timeOut = context.RequestData.ReadInt32();
|
int timeOut = context.RequestData.ReadInt32();
|
||||||
ulong pidPlaceholder = context.RequestData.ReadUInt64();
|
ulong pidPlaceholder = context.RequestData.ReadUInt64();
|
||||||
|
|
||||||
|
if (optionsBufferSize > 0)
|
||||||
|
{
|
||||||
|
// TODO: Parse and use options.
|
||||||
|
}
|
||||||
|
|
||||||
IPHostEntry hostEntry = null;
|
IPHostEntry hostEntry = null;
|
||||||
|
|
||||||
NetDbError netDbErrorCode = NetDbError.Success;
|
NetDbError netDbErrorCode = NetDbError.Success;
|
||||||
GaiError errno = GaiError.Overflow;
|
GaiError errno = GaiError.Overflow;
|
||||||
long serializedSize = 0;
|
long serializedSize = 0;
|
||||||
|
|
||||||
if (name.Length <= 255)
|
if (name.Length <= byte.MaxValue)
|
||||||
{
|
{
|
||||||
try
|
string targetHost = name;
|
||||||
{
|
|
||||||
hostEntry = Dns.GetHostEntry(name);
|
|
||||||
}
|
|
||||||
catch (SocketException exception)
|
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.Internal;
|
|
||||||
|
|
||||||
if (exception.ErrorCode == 11001)
|
if (DnsBlacklist.IsHostBlocked(name))
|
||||||
{
|
{
|
||||||
|
Logger.Info?.Print(LogClass.ServiceSfdnsres, $"DNS Blocked: {name}");
|
||||||
|
|
||||||
netDbErrorCode = NetDbError.HostNotFound;
|
netDbErrorCode = NetDbError.HostNotFound;
|
||||||
errno = GaiError.NoData;
|
errno = GaiError.NoData;
|
||||||
}
|
}
|
||||||
else if (exception.ErrorCode == 11002)
|
else
|
||||||
{
|
{
|
||||||
netDbErrorCode = NetDbError.TryAgain;
|
Logger.Info?.Print(LogClass.ServiceSfdnsres, $"Trying to resolve: {name}");
|
||||||
|
|
||||||
|
try
|
||||||
|
{
|
||||||
|
hostEntry = Dns.GetHostEntry(targetHost);
|
||||||
}
|
}
|
||||||
else if (exception.ErrorCode == 11003)
|
catch (SocketException exception)
|
||||||
{
|
{
|
||||||
netDbErrorCode = NetDbError.NoRecovery;
|
netDbErrorCode = ConvertSocketErrorCodeToNetDbError(exception.ErrorCode);
|
||||||
}
|
errno = ConvertSocketErrorCodeToGaiError(exception.ErrorCode, errno);
|
||||||
else if (exception.ErrorCode == 11004)
|
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.NoData;
|
|
||||||
}
|
|
||||||
else if (exception.ErrorCode == 10060)
|
|
||||||
{
|
|
||||||
errno = GaiError.Again;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
@ -225,18 +273,17 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
|
||||||
|
|
||||||
if (hostEntry != null)
|
if (hostEntry != null)
|
||||||
{
|
{
|
||||||
errno = GaiError.Success;
|
IEnumerable<IPAddress> addresses = GetIpv4Addresses(hostEntry);
|
||||||
|
|
||||||
List<IPAddress> addresses = GetIpv4Addresses(hostEntry);
|
if (!addresses.Any())
|
||||||
|
|
||||||
if (addresses.Count == 0)
|
|
||||||
{
|
{
|
||||||
errno = GaiError.NoData;
|
errno = GaiError.NoData;
|
||||||
netDbErrorCode = NetDbError.NoAddress;
|
netDbErrorCode = NetDbError.NoAddress;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
{
|
{
|
||||||
serializedSize = SerializeHostEnt(context, hostEntry, addresses);
|
errno = GaiError.Success;
|
||||||
|
serializedSize = SerializeHostEntries(context, outputBufferPosition, outputBufferSize, hostEntry, addresses);
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
|
|
@ -247,20 +294,23 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
|
||||||
return ResultCode.Success;
|
return ResultCode.Success;
|
||||||
}
|
}
|
||||||
|
|
||||||
[Command(3)]
|
private ResultCode GetHostByAddrRequestImpl(ServiceCtx context, long inputBufferPosition, long inputBufferSize, long outputBufferPosition, long outputBufferSize, long optionsBufferPosition, long optionsBufferSize)
|
||||||
// GetHostByAddr(u32, u32, u32, u64, pid, buffer<unknown, 5, 0>) -> (u32, u32, u32, buffer<unknown, 6, 0>)
|
|
||||||
public ResultCode GetHostByAddress(ServiceCtx context)
|
|
||||||
{
|
{
|
||||||
byte[] rawIp = new byte[context.Request.SendBuff[0].Size];
|
byte[] rawIp = new byte[inputBufferSize];
|
||||||
|
|
||||||
context.Memory.Read((ulong)context.Request.SendBuff[0].Position, rawIp);
|
context.Memory.Read((ulong)inputBufferPosition, rawIp);
|
||||||
|
|
||||||
// TODO: use params
|
// TODO: Use params.
|
||||||
uint socketLength = context.RequestData.ReadUInt32();
|
uint socketLength = context.RequestData.ReadUInt32();
|
||||||
uint type = context.RequestData.ReadUInt32();
|
uint type = context.RequestData.ReadUInt32();
|
||||||
int timeOut = context.RequestData.ReadInt32();
|
int timeOut = context.RequestData.ReadInt32();
|
||||||
ulong pidPlaceholder = context.RequestData.ReadUInt64();
|
ulong pidPlaceholder = context.RequestData.ReadUInt64();
|
||||||
|
|
||||||
|
if (optionsBufferSize > 0)
|
||||||
|
{
|
||||||
|
// TODO: Parse and use options.
|
||||||
|
}
|
||||||
|
|
||||||
IPHostEntry hostEntry = null;
|
IPHostEntry hostEntry = null;
|
||||||
|
|
||||||
NetDbError netDbErrorCode = NetDbError.Success;
|
NetDbError netDbErrorCode = NetDbError.Success;
|
||||||
|
|
@ -277,28 +327,8 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
|
||||||
}
|
}
|
||||||
catch (SocketException exception)
|
catch (SocketException exception)
|
||||||
{
|
{
|
||||||
netDbErrorCode = NetDbError.Internal;
|
netDbErrorCode = ConvertSocketErrorCodeToNetDbError(exception.ErrorCode);
|
||||||
if (exception.ErrorCode == 11001)
|
errno = ConvertSocketErrorCodeToGaiError(exception.ErrorCode, errno);
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.HostNotFound;
|
|
||||||
errno = GaiError.NoData;
|
|
||||||
}
|
|
||||||
else if (exception.ErrorCode == 11002)
|
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.TryAgain;
|
|
||||||
}
|
|
||||||
else if (exception.ErrorCode == 11003)
|
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.NoRecovery;
|
|
||||||
}
|
|
||||||
else if (exception.ErrorCode == 11004)
|
|
||||||
{
|
|
||||||
netDbErrorCode = NetDbError.NoData;
|
|
||||||
}
|
|
||||||
else if (exception.ErrorCode == 10060)
|
|
||||||
{
|
|
||||||
errno = GaiError.Again;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
|
|
@ -309,7 +339,7 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
|
||||||
if (hostEntry != null)
|
if (hostEntry != null)
|
||||||
{
|
{
|
||||||
errno = GaiError.Success;
|
errno = GaiError.Success;
|
||||||
serializedSize = SerializeHostEnt(context, hostEntry, GetIpv4Addresses(hostEntry));
|
serializedSize = SerializeHostEntries(context, outputBufferPosition, outputBufferSize, hostEntry, GetIpv4Addresses(hostEntry));
|
||||||
}
|
}
|
||||||
|
|
||||||
context.ResponseData.Write((int)netDbErrorCode);
|
context.ResponseData.Write((int)netDbErrorCode);
|
||||||
|
|
@ -319,74 +349,220 @@ namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres
|
||||||
return ResultCode.Success;
|
return ResultCode.Success;
|
||||||
}
|
}
|
||||||
|
|
||||||
[Command(4)]
|
private long SerializeHostEntries(ServiceCtx context, long outputBufferPosition, long outputBufferSize, IPHostEntry hostEntry, IEnumerable<IPAddress> addresses = null)
|
||||||
// GetHostStringError(u32) -> buffer<unknown, 6, 0>
|
|
||||||
public ResultCode GetHostStringError(ServiceCtx context)
|
|
||||||
{
|
{
|
||||||
ResultCode resultCode = ResultCode.NotAllocated;
|
long originalBufferPosition = outputBufferPosition;
|
||||||
NetDbError errorCode = (NetDbError)context.RequestData.ReadInt32();
|
long bufferPosition = originalBufferPosition;
|
||||||
string errorString = GetHostStringErrorFromErrorCode(errorCode);
|
|
||||||
|
|
||||||
if (errorString.Length + 1 <= context.Request.ReceiveBuff[0].Size)
|
string hostName = hostEntry.HostName + '\0';
|
||||||
|
|
||||||
|
// h_name
|
||||||
|
context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(hostName));
|
||||||
|
bufferPosition += hostName.Length;
|
||||||
|
|
||||||
|
// h_aliases list size
|
||||||
|
context.Memory.Write((ulong)bufferPosition, BinaryPrimitives.ReverseEndianness(hostEntry.Aliases.Length));
|
||||||
|
bufferPosition += 4;
|
||||||
|
|
||||||
|
// Actual aliases
|
||||||
|
foreach (string alias in hostEntry.Aliases)
|
||||||
{
|
{
|
||||||
resultCode = 0;
|
context.Memory.Write((ulong)bufferPosition, Encoding.ASCII.GetBytes(alias + '\0'));
|
||||||
context.Memory.Write((ulong)context.Request.ReceiveBuff[0].Position, Encoding.ASCII.GetBytes(errorString + '\0'));
|
bufferPosition += alias.Length + 1;
|
||||||
}
|
}
|
||||||
|
|
||||||
return resultCode;
|
// h_addrtype but it's a short (also only support IPv4)
|
||||||
|
context.Memory.Write((ulong)bufferPosition, BinaryPrimitives.ReverseEndianness((short)AddressFamily.InterNetwork));
|
||||||
|
bufferPosition += 2;
|
||||||
|
|
||||||
|
// h_length but it's a short
|
||||||
|
context.Memory.Write((ulong)bufferPosition, BinaryPrimitives.ReverseEndianness((short)4));
|
||||||
|
bufferPosition += 2;
|
||||||
|
|
||||||
|
// Ip address count, we can only support ipv4 (blame Nintendo)
|
||||||
|
context.Memory.Write((ulong)bufferPosition, addresses != null ? BinaryPrimitives.ReverseEndianness(addresses.Count()) : 0);
|
||||||
|
bufferPosition += 4;
|
||||||
|
|
||||||
|
if (addresses != null)
|
||||||
|
{
|
||||||
|
foreach (IPAddress ip in addresses)
|
||||||
|
{
|
||||||
|
context.Memory.Write((ulong)bufferPosition, BinaryPrimitives.ReverseEndianness(BitConverter.ToInt32(ip.GetAddressBytes(), 0)));
|
||||||
|
bufferPosition += 4;
|
||||||
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
[Command(5)]
|
return bufferPosition - originalBufferPosition;
|
||||||
// GetGaiStringError(u32) -> buffer<unknown, 6, 0>
|
|
||||||
public ResultCode GetGaiStringError(ServiceCtx context)
|
|
||||||
{
|
|
||||||
ResultCode resultCode = ResultCode.NotAllocated;
|
|
||||||
GaiError errorCode = (GaiError)context.RequestData.ReadInt32();
|
|
||||||
string errorString = GetGaiStringErrorFromErrorCode(errorCode);
|
|
||||||
|
|
||||||
if (errorString.Length + 1 <= context.Request.ReceiveBuff[0].Size)
|
|
||||||
{
|
|
||||||
resultCode = 0;
|
|
||||||
context.Memory.Write((ulong)context.Request.ReceiveBuff[0].Position, Encoding.ASCII.GetBytes(errorString + '\0'));
|
|
||||||
}
|
}
|
||||||
|
|
||||||
return resultCode;
|
private ResultCode GetAddrInfoRequestImpl(ServiceCtx context, long responseBufferPosition, long responseBufferSize, long optionsBufferPosition, long optionsBufferSize)
|
||||||
|
{
|
||||||
|
bool enableNsdResolve = (context.RequestData.ReadInt32() & 1) != 0;
|
||||||
|
uint cancelHandle = context.RequestData.ReadUInt32();
|
||||||
|
|
||||||
|
string host = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[0].Position, context.Request.SendBuff[0].Size);
|
||||||
|
string service = MemoryHelper.ReadAsciiString(context.Memory, context.Request.SendBuff[1].Position, context.Request.SendBuff[1].Size);
|
||||||
|
|
||||||
|
// NOTE: We ignore hints for now.
|
||||||
|
DeserializeAddrInfos(context.Memory, (ulong)context.Request.SendBuff[2].Position, (ulong)context.Request.SendBuff[2].Size);
|
||||||
|
|
||||||
|
if (optionsBufferSize > 0)
|
||||||
|
{
|
||||||
|
// TODO: Find unknown, Parse and use options.
|
||||||
|
uint unknown = context.RequestData.ReadUInt32();
|
||||||
}
|
}
|
||||||
|
|
||||||
[Command(8)]
|
ulong pidPlaceHolder = context.RequestData.ReadUInt64();
|
||||||
// RequestCancelHandle(u64, pid) -> u32
|
|
||||||
public ResultCode RequestCancelHandle(ServiceCtx context)
|
Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { enableNsdResolve, cancelHandle, pidPlaceHolder, host, service });
|
||||||
|
|
||||||
|
IPHostEntry hostEntry = null;
|
||||||
|
|
||||||
|
NetDbError netDbErrorCode = NetDbError.Success;
|
||||||
|
GaiError errno = GaiError.AddressFamily;
|
||||||
|
ulong serializedSize = 0;
|
||||||
|
|
||||||
|
if (host.Length <= byte.MaxValue)
|
||||||
{
|
{
|
||||||
ulong unknown0 = context.RequestData.ReadUInt64();
|
string targetHost = host;
|
||||||
|
|
||||||
context.ResponseData.Write(0);
|
if (DnsBlacklist.IsHostBlocked(host))
|
||||||
|
{
|
||||||
|
Logger.Info?.Print(LogClass.ServiceSfdnsres, $"DNS Blocked: {host}");
|
||||||
|
|
||||||
Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
|
netDbErrorCode = NetDbError.HostNotFound;
|
||||||
|
errno = GaiError.NoData;
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
Logger.Info?.Print(LogClass.ServiceSfdnsres, $"Trying to resolve: {host}");
|
||||||
|
|
||||||
|
try
|
||||||
|
{
|
||||||
|
hostEntry = Dns.GetHostEntry(targetHost);
|
||||||
|
}
|
||||||
|
catch (SocketException exception)
|
||||||
|
{
|
||||||
|
netDbErrorCode = ConvertSocketErrorCodeToNetDbError(exception.ErrorCode);
|
||||||
|
errno = ConvertSocketErrorCodeToGaiError(exception.ErrorCode, errno);
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
netDbErrorCode = NetDbError.NoAddress;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (hostEntry != null)
|
||||||
|
{
|
||||||
|
int.TryParse(service, out int port);
|
||||||
|
|
||||||
|
errno = GaiError.Success;
|
||||||
|
serializedSize = SerializeAddrInfos(context, responseBufferPosition, responseBufferSize, hostEntry, port);
|
||||||
|
}
|
||||||
|
|
||||||
|
context.ResponseData.Write((int)netDbErrorCode);
|
||||||
|
context.ResponseData.Write((int)errno);
|
||||||
|
context.ResponseData.Write(serializedSize);
|
||||||
|
|
||||||
return ResultCode.Success;
|
return ResultCode.Success;
|
||||||
}
|
}
|
||||||
|
|
||||||
[Command(9)]
|
private void DeserializeAddrInfos(IVirtualMemoryManager memory, ulong address, ulong size)
|
||||||
// CancelSocketCall(u32, u64, pid)
|
|
||||||
public ResultCode CancelSocketCall(ServiceCtx context)
|
|
||||||
{
|
{
|
||||||
uint unknown0 = context.RequestData.ReadUInt32();
|
ulong endAddress = address + size;
|
||||||
ulong unknown1 = context.RequestData.ReadUInt64();
|
|
||||||
|
|
||||||
Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { unknown0, unknown1 });
|
while (address < endAddress)
|
||||||
|
|
||||||
return ResultCode.Success;
|
|
||||||
}
|
|
||||||
|
|
||||||
[Command(11)]
|
|
||||||
// ClearDnsAddresses(u32)
|
|
||||||
public ResultCode ClearDnsAddresses(ServiceCtx context)
|
|
||||||
{
|
{
|
||||||
uint unknown0 = context.RequestData.ReadUInt32();
|
AddrInfoSerializedHeader header = memory.Read<AddrInfoSerializedHeader>(address);
|
||||||
|
|
||||||
Logger.Stub?.PrintStub(LogClass.ServiceSfdnsres, new { unknown0 });
|
if (header.Magic != SfdnsresContants.AddrInfoMagic)
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
return ResultCode.Success;
|
address += (ulong)Unsafe.SizeOf<AddrInfoSerializedHeader>() + header.AddressLength;
|
||||||
|
|
||||||
|
// ai_canonname
|
||||||
|
string canonname = string.Empty;
|
||||||
|
|
||||||
|
while (true)
|
||||||
|
{
|
||||||
|
byte chr = memory.Read<byte>(address++);
|
||||||
|
|
||||||
|
if (chr == 0)
|
||||||
|
{
|
||||||
|
break;
|
||||||
|
}
|
||||||
|
|
||||||
|
canonname += (char)chr;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
private ulong SerializeAddrInfos(ServiceCtx context, long responseBufferPosition, long responseBufferSize, IPHostEntry hostEntry, int port)
|
||||||
|
{
|
||||||
|
ulong originalBufferPosition = (ulong)responseBufferPosition;
|
||||||
|
ulong bufferPosition = originalBufferPosition;
|
||||||
|
|
||||||
|
string hostName = hostEntry.HostName + '\0';
|
||||||
|
|
||||||
|
for (int i = 0; i < hostEntry.AddressList.Length; i++)
|
||||||
|
{
|
||||||
|
IPAddress ip = hostEntry.AddressList[i];
|
||||||
|
|
||||||
|
if (ip.AddressFamily != AddressFamily.InterNetwork)
|
||||||
|
{
|
||||||
|
continue;
|
||||||
|
}
|
||||||
|
|
||||||
|
AddrInfoSerializedHeader header = new AddrInfoSerializedHeader(ip, 0);
|
||||||
|
|
||||||
|
// NOTE: 0 = Any
|
||||||
|
context.Memory.Write(bufferPosition, header);
|
||||||
|
bufferPosition += (ulong)Unsafe.SizeOf<AddrInfoSerializedHeader>();
|
||||||
|
|
||||||
|
// addrinfo_in
|
||||||
|
context.Memory.Write(bufferPosition, new AddrInfo4(ip, (short)port));
|
||||||
|
bufferPosition += header.AddressLength;
|
||||||
|
|
||||||
|
// ai_canonname
|
||||||
|
context.Memory.Write(bufferPosition, Encoding.ASCII.GetBytes(hostName));
|
||||||
|
bufferPosition += (ulong)hostName.Length;
|
||||||
|
}
|
||||||
|
|
||||||
|
// Termination zero value.
|
||||||
|
context.Memory.Write(bufferPosition, 0);
|
||||||
|
bufferPosition += 4;
|
||||||
|
|
||||||
|
return bufferPosition - originalBufferPosition;
|
||||||
|
}
|
||||||
|
|
||||||
|
private IEnumerable<IPAddress> GetIpv4Addresses(IPHostEntry hostEntry)
|
||||||
|
{
|
||||||
|
return hostEntry.AddressList.Where(x => x.AddressFamily == AddressFamily.InterNetwork);
|
||||||
|
}
|
||||||
|
|
||||||
|
private NetDbError ConvertSocketErrorCodeToNetDbError(int errorCode)
|
||||||
|
{
|
||||||
|
return errorCode switch
|
||||||
|
{
|
||||||
|
11001 => NetDbError.HostNotFound,
|
||||||
|
11002 => NetDbError.TryAgain,
|
||||||
|
11003 => NetDbError.NoRecovery,
|
||||||
|
11004 => NetDbError.NoData,
|
||||||
|
_ => NetDbError.Internal
|
||||||
|
};
|
||||||
|
}
|
||||||
|
|
||||||
|
private GaiError ConvertSocketErrorCodeToGaiError(int errorCode, GaiError errno)
|
||||||
|
{
|
||||||
|
return errorCode switch
|
||||||
|
{
|
||||||
|
11001 => GaiError.NoData,
|
||||||
|
10060 => GaiError.Again,
|
||||||
|
_ => errno
|
||||||
|
};
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
@ -0,0 +1,28 @@
|
||||||
|
using System.Text.RegularExpressions;
|
||||||
|
|
||||||
|
namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Proxy
|
||||||
|
{
|
||||||
|
static class DnsBlacklist
|
||||||
|
{
|
||||||
|
private static readonly Regex[] BlockedHosts = new Regex[]
|
||||||
|
{
|
||||||
|
new Regex(@"^g(.*)\-lp1\.s\.n\.srv\.nintendo\.net$"),
|
||||||
|
new Regex(@"^(.*)\-sb\-api\.accounts\.nintendo\.com$"),
|
||||||
|
new Regex(@"^(.*)\-sb\.accounts\.nintendo\.com$"),
|
||||||
|
new Regex(@"^accounts\.nintendo\.com$")
|
||||||
|
};
|
||||||
|
|
||||||
|
public static bool IsHostBlocked(string host)
|
||||||
|
{
|
||||||
|
foreach (Regex regex in BlockedHosts)
|
||||||
|
{
|
||||||
|
if (regex.IsMatch(host))
|
||||||
|
{
|
||||||
|
return true;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
return false;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
29
Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Types/AddrInfo4.cs
Normal file
29
Ryujinx.HLE/HOS/Services/Sockets/Sfdnsres/Types/AddrInfo4.cs
Normal file
|
|
@ -0,0 +1,29 @@
|
||||||
|
using Ryujinx.Common.Memory;
|
||||||
|
using System;
|
||||||
|
using System.Net;
|
||||||
|
using System.Net.Sockets;
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
|
||||||
|
namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
|
||||||
|
{
|
||||||
|
[StructLayout(LayoutKind.Sequential, Pack = 1, Size = 0x10)]
|
||||||
|
struct AddrInfo4
|
||||||
|
{
|
||||||
|
public byte Length;
|
||||||
|
public byte Family;
|
||||||
|
public short Port;
|
||||||
|
public Array4<byte> Address;
|
||||||
|
|
||||||
|
public AddrInfo4(IPAddress address, short port)
|
||||||
|
{
|
||||||
|
Length = 0;
|
||||||
|
Family = (byte)AddressFamily.InterNetwork;
|
||||||
|
Port = port;
|
||||||
|
Address = default;
|
||||||
|
|
||||||
|
address.GetAddressBytes().AsSpan().CopyTo(Address.ToSpan());
|
||||||
|
|
||||||
|
Address.ToSpan().Reverse();
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,37 @@
|
||||||
|
using System.Buffers.Binary;
|
||||||
|
using System.Net;
|
||||||
|
using System.Net.Sockets;
|
||||||
|
using System.Runtime.CompilerServices;
|
||||||
|
using System.Runtime.InteropServices;
|
||||||
|
|
||||||
|
namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
|
||||||
|
{
|
||||||
|
[StructLayout(LayoutKind.Sequential, Pack = 1, Size = 6 * sizeof(int))]
|
||||||
|
struct AddrInfoSerializedHeader
|
||||||
|
{
|
||||||
|
public uint Magic;
|
||||||
|
public int Flags;
|
||||||
|
public int Family;
|
||||||
|
public int SocketType;
|
||||||
|
public int Protocol;
|
||||||
|
public uint AddressLength;
|
||||||
|
|
||||||
|
public AddrInfoSerializedHeader(IPAddress address, SocketType socketType)
|
||||||
|
{
|
||||||
|
Magic = (uint)BinaryPrimitives.ReverseEndianness(unchecked((int)SfdnsresContants.AddrInfoMagic));
|
||||||
|
Flags = 0; // Big Endian
|
||||||
|
Family = BinaryPrimitives.ReverseEndianness((int)address.AddressFamily);
|
||||||
|
SocketType = BinaryPrimitives.ReverseEndianness((int)socketType);
|
||||||
|
Protocol = 0; // Big Endian
|
||||||
|
|
||||||
|
if (address.AddressFamily == AddressFamily.InterNetwork)
|
||||||
|
{
|
||||||
|
AddressLength = (uint)Unsafe.SizeOf<AddrInfo4>();
|
||||||
|
}
|
||||||
|
else
|
||||||
|
{
|
||||||
|
AddressLength = 4;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
@ -0,0 +1,7 @@
|
||||||
|
namespace Ryujinx.HLE.HOS.Services.Sockets.Sfdnsres.Types
|
||||||
|
{
|
||||||
|
static class SfdnsresContants
|
||||||
|
{
|
||||||
|
public const uint AddrInfoMagic = 0xBEEFCAFE;
|
||||||
|
}
|
||||||
|
}
|
||||||
Reference in a new issue