mirror of
https://github.com/GreemDev/Ryujinx
synced 2024-11-26 19:52:31 +01:00
571 lines
21 KiB
C#
571 lines
21 KiB
C#
using LibHac.Common;
|
|
using LibHac.Fs;
|
|
using LibHac.Fs.Fsa;
|
|
using LibHac.FsSystem;
|
|
using LibHac.FsSystem.RomFs;
|
|
using Ryujinx.Common.Configuration;
|
|
using Ryujinx.Common.Logging;
|
|
using Ryujinx.HLE.Loaders.Mods;
|
|
using Ryujinx.HLE.Loaders.Executables;
|
|
using System;
|
|
using System.Collections.Generic;
|
|
using System.Collections.Specialized;
|
|
using System.Linq;
|
|
using System.IO;
|
|
using Ryujinx.HLE.Loaders.Npdm;
|
|
|
|
namespace Ryujinx.HLE.HOS
|
|
{
|
|
public class ModLoader
|
|
{
|
|
private const string RomfsDir = "romfs";
|
|
private const string ExefsDir = "exefs";
|
|
private const string RomfsContainer = "romfs.bin";
|
|
private const string ExefsContainer = "exefs.nsp";
|
|
private const string StubExtension = ".stub";
|
|
|
|
private const string AmsContentsDir = "contents";
|
|
private const string AmsNsoPatchDir = "exefs_patches";
|
|
private const string AmsNroPatchDir = "nro_patches";
|
|
private const string AmsKipPatchDir = "kip_patches";
|
|
|
|
public struct Mod<T> where T : FileSystemInfo
|
|
{
|
|
public readonly string Name;
|
|
public readonly T Path;
|
|
|
|
public Mod(string name, T path)
|
|
{
|
|
Name = name;
|
|
Path = path;
|
|
}
|
|
}
|
|
|
|
// Title dependent mods
|
|
public class ModCache
|
|
{
|
|
public List<Mod<FileInfo>> RomfsContainers { get; }
|
|
public List<Mod<FileInfo>> ExefsContainers { get; }
|
|
|
|
public List<Mod<DirectoryInfo>> RomfsDirs { get; }
|
|
public List<Mod<DirectoryInfo>> ExefsDirs { get; }
|
|
|
|
public ModCache()
|
|
{
|
|
RomfsContainers = new List<Mod<FileInfo>>();
|
|
ExefsContainers = new List<Mod<FileInfo>>();
|
|
RomfsDirs = new List<Mod<DirectoryInfo>>();
|
|
ExefsDirs = new List<Mod<DirectoryInfo>>();
|
|
}
|
|
}
|
|
|
|
// Title independent mods
|
|
public class PatchCache
|
|
{
|
|
public List<Mod<DirectoryInfo>> NsoPatches { get; }
|
|
public List<Mod<DirectoryInfo>> NroPatches { get; }
|
|
public List<Mod<DirectoryInfo>> KipPatches { get; }
|
|
|
|
internal bool Initialized { get; set; }
|
|
|
|
public PatchCache()
|
|
{
|
|
NsoPatches = new List<Mod<DirectoryInfo>>();
|
|
NroPatches = new List<Mod<DirectoryInfo>>();
|
|
KipPatches = new List<Mod<DirectoryInfo>>();
|
|
|
|
Initialized = false;
|
|
}
|
|
}
|
|
|
|
public Dictionary<ulong, ModCache> AppMods; // key is TitleId
|
|
public PatchCache Patches;
|
|
|
|
private static readonly EnumerationOptions _dirEnumOptions;
|
|
|
|
static ModLoader()
|
|
{
|
|
_dirEnumOptions = new EnumerationOptions
|
|
{
|
|
MatchCasing = MatchCasing.CaseInsensitive,
|
|
MatchType = MatchType.Simple,
|
|
RecurseSubdirectories = false,
|
|
ReturnSpecialDirectories = false
|
|
};
|
|
}
|
|
|
|
public ModLoader()
|
|
{
|
|
AppMods = new Dictionary<ulong, ModCache>();
|
|
Patches = new PatchCache();
|
|
}
|
|
|
|
public void Clear()
|
|
{
|
|
AppMods.Clear();
|
|
Patches = new PatchCache();
|
|
}
|
|
|
|
private static bool StrEquals(string s1, string s2) => string.Equals(s1, s2, StringComparison.OrdinalIgnoreCase);
|
|
|
|
public string GetModsBasePath() => EnsureBaseDirStructure(AppDataManager.GetModsPath());
|
|
|
|
private string EnsureBaseDirStructure(string modsBasePath)
|
|
{
|
|
var modsDir = new DirectoryInfo(modsBasePath);
|
|
|
|
modsDir.CreateSubdirectory(AmsContentsDir);
|
|
modsDir.CreateSubdirectory(AmsNsoPatchDir);
|
|
modsDir.CreateSubdirectory(AmsNroPatchDir);
|
|
// modsDir.CreateSubdirectory(AmsKipPatchDir); // uncomment when KIPs are supported
|
|
|
|
return modsDir.FullName;
|
|
}
|
|
|
|
private static DirectoryInfo FindTitleDir(DirectoryInfo contentsDir, string titleId)
|
|
=> contentsDir.EnumerateDirectories($"{titleId}*", _dirEnumOptions).FirstOrDefault();
|
|
|
|
public string GetTitleDir(string modsBasePath, string titleId)
|
|
{
|
|
var contentsDir = new DirectoryInfo(Path.Combine(modsBasePath, AmsContentsDir));
|
|
var titleModsPath = FindTitleDir(contentsDir, titleId);
|
|
|
|
if (titleModsPath == null)
|
|
{
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Creating mods dir for Title {titleId.ToUpper()}");
|
|
titleModsPath = contentsDir.CreateSubdirectory(titleId);
|
|
}
|
|
|
|
return titleModsPath.FullName;
|
|
}
|
|
|
|
// Static Query Methods
|
|
public static void QueryPatchDirs(PatchCache cache, DirectoryInfo patchDir)
|
|
{
|
|
if (cache.Initialized || !patchDir.Exists) return;
|
|
|
|
var patches = cache.KipPatches;
|
|
string type = null;
|
|
|
|
if (StrEquals(AmsNsoPatchDir, patchDir.Name)) { patches = cache.NsoPatches; type = "NSO"; }
|
|
else if (StrEquals(AmsNroPatchDir, patchDir.Name)) { patches = cache.NroPatches; type = "NRO"; }
|
|
else if (StrEquals(AmsKipPatchDir, patchDir.Name)) { patches = cache.KipPatches; type = "KIP"; }
|
|
else return;
|
|
|
|
foreach (var modDir in patchDir.EnumerateDirectories())
|
|
{
|
|
patches.Add(new Mod<DirectoryInfo>(modDir.Name, modDir));
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Found {type} patch '{modDir.Name}'");
|
|
}
|
|
}
|
|
|
|
public static void QueryTitleDir(ModCache mods, DirectoryInfo titleDir)
|
|
{
|
|
if (!titleDir.Exists) return;
|
|
|
|
var fsFile = new FileInfo(Path.Combine(titleDir.FullName, RomfsContainer));
|
|
if (fsFile.Exists)
|
|
{
|
|
mods.RomfsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} RomFs>", fsFile));
|
|
}
|
|
|
|
fsFile = new FileInfo(Path.Combine(titleDir.FullName, ExefsContainer));
|
|
if (fsFile.Exists)
|
|
{
|
|
mods.ExefsContainers.Add(new Mod<FileInfo>($"<{titleDir.Name} ExeFs>", fsFile));
|
|
}
|
|
|
|
System.Text.StringBuilder types = new System.Text.StringBuilder(5);
|
|
|
|
foreach (var modDir in titleDir.EnumerateDirectories())
|
|
{
|
|
types.Clear();
|
|
Mod<DirectoryInfo> mod = new Mod<DirectoryInfo>("", null);
|
|
|
|
if (StrEquals(RomfsDir, modDir.Name))
|
|
{
|
|
mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>($"<{titleDir.Name} RomFs>", modDir));
|
|
types.Append('R');
|
|
}
|
|
else if (StrEquals(ExefsDir, modDir.Name))
|
|
{
|
|
mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>($"<{titleDir.Name} ExeFs>", modDir));
|
|
types.Append('E');
|
|
}
|
|
else
|
|
{
|
|
var romfs = new DirectoryInfo(Path.Combine(modDir.FullName, RomfsDir));
|
|
var exefs = new DirectoryInfo(Path.Combine(modDir.FullName, ExefsDir));
|
|
if (romfs.Exists)
|
|
{
|
|
mods.RomfsDirs.Add(mod = new Mod<DirectoryInfo>(modDir.Name, romfs));
|
|
types.Append('R');
|
|
}
|
|
if (exefs.Exists)
|
|
{
|
|
mods.ExefsDirs.Add(mod = new Mod<DirectoryInfo>(modDir.Name, exefs));
|
|
types.Append('E');
|
|
}
|
|
}
|
|
|
|
if (types.Length > 0) Logger.Info?.Print(LogClass.ModLoader, $"Found mod '{mod.Name}' [{types}]");
|
|
}
|
|
}
|
|
|
|
public static void QueryContentsDir(ModCache mods, DirectoryInfo contentsDir, ulong titleId)
|
|
{
|
|
if (!contentsDir.Exists) return;
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Searching mods for {((titleId & 0x1000) != 0 ? "DLC" : "Title")} {titleId:X16}");
|
|
|
|
var titleDir = FindTitleDir(contentsDir, $"{titleId:x16}");
|
|
|
|
if (titleDir != null)
|
|
{
|
|
QueryTitleDir(mods, titleDir);
|
|
}
|
|
}
|
|
|
|
// Assumes searchDirPaths don't overlap
|
|
public static void CollectMods(Dictionary<ulong, ModCache> modCaches, PatchCache patches, params string[] searchDirPaths)
|
|
{
|
|
static bool IsPatchesDir(string name) => StrEquals(AmsNsoPatchDir, name) ||
|
|
StrEquals(AmsNroPatchDir, name) ||
|
|
StrEquals(AmsKipPatchDir, name);
|
|
|
|
static bool IsContentsDir(string name) => StrEquals(AmsContentsDir, name);
|
|
|
|
static bool TryQuery(DirectoryInfo searchDir, PatchCache patches, Dictionary<ulong, ModCache> modCaches)
|
|
{
|
|
if (IsContentsDir(searchDir.Name))
|
|
{
|
|
foreach (var (titleId, cache) in modCaches)
|
|
{
|
|
QueryContentsDir(cache, searchDir, titleId);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
else if (IsPatchesDir(searchDir.Name))
|
|
{
|
|
QueryPatchDirs(patches, searchDir);
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
foreach (var path in searchDirPaths)
|
|
{
|
|
var searchDir = new DirectoryInfo(path);
|
|
if (!searchDir.Exists)
|
|
{
|
|
Logger.Warning?.Print(LogClass.ModLoader, $"Mod Search Dir '{searchDir.FullName}' doesn't exist");
|
|
continue;
|
|
}
|
|
|
|
if (!TryQuery(searchDir, patches, modCaches))
|
|
{
|
|
foreach (var subdir in searchDir.EnumerateDirectories())
|
|
{
|
|
TryQuery(subdir, patches, modCaches);
|
|
}
|
|
}
|
|
}
|
|
|
|
patches.Initialized = true;
|
|
}
|
|
|
|
public void CollectMods(IEnumerable<ulong> titles, params string[] searchDirPaths)
|
|
{
|
|
Clear();
|
|
|
|
foreach (ulong titleId in titles)
|
|
{
|
|
AppMods[titleId] = new ModCache();
|
|
}
|
|
|
|
CollectMods(AppMods, Patches, searchDirPaths);
|
|
}
|
|
|
|
internal IStorage ApplyRomFsMods(ulong titleId, IStorage baseStorage)
|
|
{
|
|
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.RomfsDirs.Count + mods.RomfsContainers.Count == 0)
|
|
{
|
|
return baseStorage;
|
|
}
|
|
|
|
var fileSet = new HashSet<string>();
|
|
var builder = new RomFsBuilder();
|
|
int count = 0;
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Applying RomFS mods for Title {titleId:X16}");
|
|
|
|
// Prioritize loose files first
|
|
foreach (var mod in mods.RomfsDirs)
|
|
{
|
|
using (IFileSystem fs = new LocalFileSystem(mod.Path.FullName))
|
|
{
|
|
AddFiles(fs, mod.Name, fileSet, builder);
|
|
}
|
|
count++;
|
|
}
|
|
|
|
// Then files inside images
|
|
foreach (var mod in mods.RomfsContainers)
|
|
{
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Found 'romfs.bin' for Title {titleId:X16}");
|
|
using (IFileSystem fs = new RomFsFileSystem(mod.Path.OpenRead().AsStorage()))
|
|
{
|
|
AddFiles(fs, mod.Name, fileSet, builder);
|
|
}
|
|
count++;
|
|
}
|
|
|
|
if (fileSet.Count == 0)
|
|
{
|
|
Logger.Info?.Print(LogClass.ModLoader, "No files found. Using base RomFS");
|
|
|
|
return baseStorage;
|
|
}
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Replaced {fileSet.Count} file(s) over {count} mod(s). Processing base storage...");
|
|
|
|
// And finally, the base romfs
|
|
var baseRom = new RomFsFileSystem(baseStorage);
|
|
foreach (var entry in baseRom.EnumerateEntries()
|
|
.Where(f => f.Type == DirectoryEntryType.File && !fileSet.Contains(f.FullPath))
|
|
.OrderBy(f => f.FullPath, StringComparer.Ordinal))
|
|
{
|
|
baseRom.OpenFile(out IFile file, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
|
|
builder.AddFile(entry.FullPath, file);
|
|
}
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, "Building new RomFS...");
|
|
IStorage newStorage = builder.Build();
|
|
Logger.Info?.Print(LogClass.ModLoader, "Using modded RomFS");
|
|
|
|
return newStorage;
|
|
}
|
|
|
|
private static void AddFiles(IFileSystem fs, string modName, HashSet<string> fileSet, RomFsBuilder builder)
|
|
{
|
|
foreach (var entry in fs.EnumerateEntries()
|
|
.Where(f => f.Type == DirectoryEntryType.File)
|
|
.OrderBy(f => f.FullPath, StringComparer.Ordinal))
|
|
{
|
|
fs.OpenFile(out IFile file, entry.FullPath.ToU8Span(), OpenMode.Read).ThrowIfFailure();
|
|
if (fileSet.Add(entry.FullPath))
|
|
{
|
|
builder.AddFile(entry.FullPath, file);
|
|
}
|
|
else
|
|
{
|
|
Logger.Warning?.Print(LogClass.ModLoader, $" Skipped duplicate file '{entry.FullPath}' from '{modName}'", "ApplyRomFsMods");
|
|
}
|
|
}
|
|
}
|
|
|
|
internal bool ReplaceExefsPartition(ulong titleId, ref IFileSystem exefs)
|
|
{
|
|
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsContainers.Count == 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (mods.ExefsContainers.Count > 1)
|
|
{
|
|
Logger.Warning?.Print(LogClass.ModLoader, "Multiple ExeFS partition replacements detected");
|
|
}
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Using replacement ExeFS partition");
|
|
|
|
exefs = new PartitionFileSystem(mods.ExefsContainers[0].Path.OpenRead().AsStorage());
|
|
|
|
return true;
|
|
}
|
|
|
|
public struct ModLoadResult
|
|
{
|
|
public BitVector32 Stubs;
|
|
public BitVector32 Replaces;
|
|
public Npdm Npdm;
|
|
|
|
public bool Modified => (Stubs.Data | Replaces.Data) != 0;
|
|
}
|
|
|
|
internal ModLoadResult ApplyExefsMods(ulong titleId, NsoExecutable[] nsos)
|
|
{
|
|
ModLoadResult modLoadResult = new ModLoadResult
|
|
{
|
|
Stubs = new BitVector32(),
|
|
Replaces = new BitVector32()
|
|
};
|
|
|
|
if (!AppMods.TryGetValue(titleId, out ModCache mods) || mods.ExefsDirs.Count == 0)
|
|
{
|
|
return modLoadResult;
|
|
}
|
|
|
|
|
|
if (nsos.Length != ApplicationLoader.ExeFsPrefixes.Length)
|
|
{
|
|
throw new ArgumentOutOfRangeException("NSO Count is incorrect");
|
|
}
|
|
|
|
var exeMods = mods.ExefsDirs;
|
|
|
|
foreach (var mod in exeMods)
|
|
{
|
|
for (int i = 0; i < ApplicationLoader.ExeFsPrefixes.Length; ++i)
|
|
{
|
|
var nsoName = ApplicationLoader.ExeFsPrefixes[i];
|
|
|
|
FileInfo nsoFile = new FileInfo(Path.Combine(mod.Path.FullName, nsoName));
|
|
if (nsoFile.Exists)
|
|
{
|
|
if (modLoadResult.Replaces[1 << i])
|
|
{
|
|
Logger.Warning?.Print(LogClass.ModLoader, $"Multiple replacements to '{nsoName}'");
|
|
|
|
continue;
|
|
}
|
|
|
|
modLoadResult.Replaces[1 << i] = true;
|
|
|
|
nsos[i] = new NsoExecutable(nsoFile.OpenRead().AsStorage(), nsoName);
|
|
Logger.Info?.Print(LogClass.ModLoader, $"NSO '{nsoName}' replaced");
|
|
}
|
|
|
|
modLoadResult.Stubs[1 << i] |= File.Exists(Path.Combine(mod.Path.FullName, nsoName + StubExtension));
|
|
}
|
|
|
|
FileInfo npdmFile = new FileInfo(Path.Combine(mod.Path.FullName, "main.npdm"));
|
|
if (npdmFile.Exists)
|
|
{
|
|
if (modLoadResult.Npdm != null)
|
|
{
|
|
Logger.Warning?.Print(LogClass.ModLoader, "Multiple replacements to 'main.npdm'");
|
|
|
|
continue;
|
|
}
|
|
|
|
modLoadResult.Npdm = new Npdm(npdmFile.OpenRead());
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"main.npdm replaced");
|
|
}
|
|
}
|
|
|
|
for (int i = ApplicationLoader.ExeFsPrefixes.Length - 1; i >= 0; --i)
|
|
{
|
|
if (modLoadResult.Stubs[1 << i] && !modLoadResult.Replaces[1 << i]) // Prioritizes replacements over stubs
|
|
{
|
|
Logger.Info?.Print(LogClass.ModLoader, $" NSO '{nsos[i].Name}' stubbed");
|
|
nsos[i] = null;
|
|
}
|
|
}
|
|
|
|
return modLoadResult;
|
|
}
|
|
|
|
internal void ApplyNroPatches(NroExecutable nro)
|
|
{
|
|
var nroPatches = Patches.NroPatches;
|
|
|
|
if (nroPatches.Count == 0) return;
|
|
|
|
// NRO patches aren't offset relative to header unlike NSO
|
|
// according to Atmosphere's ro patcher module
|
|
ApplyProgramPatches(nroPatches, 0, nro);
|
|
}
|
|
|
|
internal bool ApplyNsoPatches(ulong titleId, params IExecutable[] programs)
|
|
{
|
|
IEnumerable<Mod<DirectoryInfo>> nsoMods = Patches.NsoPatches;
|
|
|
|
if (AppMods.TryGetValue(titleId, out ModCache mods))
|
|
{
|
|
nsoMods = nsoMods.Concat(mods.ExefsDirs);
|
|
}
|
|
|
|
// NSO patches are created with offset 0 according to Atmosphere's patcher module
|
|
// But `Program` doesn't contain the header which is 0x100 bytes. So, we adjust for that here
|
|
return ApplyProgramPatches(nsoMods, 0x100, programs);
|
|
}
|
|
|
|
private static bool ApplyProgramPatches(IEnumerable<Mod<DirectoryInfo>> mods, int protectedOffset, params IExecutable[] programs)
|
|
{
|
|
int count = 0;
|
|
|
|
MemPatch[] patches = new MemPatch[programs.Length];
|
|
|
|
for (int i = 0; i < patches.Length; ++i)
|
|
{
|
|
patches[i] = new MemPatch();
|
|
}
|
|
|
|
var buildIds = programs.Select(p => p switch
|
|
{
|
|
NsoExecutable nso => BitConverter.ToString(nso.BuildId.Bytes.ToArray()).Replace("-", "").TrimEnd('0'),
|
|
NroExecutable nro => BitConverter.ToString(nro.Header.BuildId).Replace("-", "").TrimEnd('0'),
|
|
_ => string.Empty
|
|
}).ToList();
|
|
|
|
int GetIndex(string buildId) => buildIds.FindIndex(id => id == buildId); // O(n) but list is small
|
|
|
|
// Collect patches
|
|
foreach (var mod in mods)
|
|
{
|
|
var patchDir = mod.Path;
|
|
foreach (var patchFile in patchDir.EnumerateFiles())
|
|
{
|
|
if (StrEquals(".ips", patchFile.Extension)) // IPS|IPS32
|
|
{
|
|
string filename = Path.GetFileNameWithoutExtension(patchFile.FullName).Split('.')[0];
|
|
string buildId = filename.TrimEnd('0');
|
|
|
|
int index = GetIndex(buildId);
|
|
if (index == -1)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Matching IPS patch '{patchFile.Name}' in '{mod.Name}' bid={buildId}");
|
|
|
|
using var fs = patchFile.OpenRead();
|
|
using var reader = new BinaryReader(fs);
|
|
|
|
var patcher = new IpsPatcher(reader);
|
|
patcher.AddPatches(patches[index]);
|
|
}
|
|
else if (StrEquals(".pchtxt", patchFile.Extension)) // IPSwitch
|
|
{
|
|
using var fs = patchFile.OpenRead();
|
|
using var reader = new StreamReader(fs);
|
|
|
|
var patcher = new IPSwitchPatcher(reader);
|
|
|
|
int index = GetIndex(patcher.BuildId);
|
|
if (index == -1)
|
|
{
|
|
continue;
|
|
}
|
|
|
|
Logger.Info?.Print(LogClass.ModLoader, $"Matching IPSwitch patch '{patchFile.Name}' in '{mod.Name}' bid={patcher.BuildId}");
|
|
|
|
patcher.AddPatches(patches[index]);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Apply patches
|
|
for (int i = 0; i < programs.Length; ++i)
|
|
{
|
|
count += patches[i].Patch(programs[i].Program, protectedOffset);
|
|
}
|
|
|
|
return count > 0;
|
|
}
|
|
}
|
|
}
|