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https://github.com/crskycode/GARbro.git
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implemented Dogenzaka BIN archives (part of #24).
This commit is contained in:
morkt
150
ArcFormats/Dogenzaka/ArcBIN.cs
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150
ArcFormats/Dogenzaka/ArcBIN.cs
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@@ -0,0 +1,150 @@
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//! \file ArcBIN.cs
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//! \date Wed Jul 06 09:46:31 2016
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//! \brief Dogenzaka Lab resource archive.
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//
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// Copyright (C) 2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
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// sell copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System.Collections.Generic;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using GameRes.Compression;
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namespace GameRes.Formats.Dogenzaka
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{
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[Export(typeof(ArchiveFormat))]
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public class BinOpener : ArchiveFormat
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{
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public override string Tag { get { return "BIN/Dogenzaka"; } }
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public override string Description { get { return "Dogenzaka Lab audio archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public BinOpener ()
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{
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Extensions = new string[] { "bin" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (0);
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if (!IsSaneCount (count))
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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int index_offset = 4;
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int index_end = 4 + 8 * count;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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var entry = new PackedEntry
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{
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Offset = file.View.ReadUInt32 (index_offset),
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Size = file.View.ReadUInt32 (index_offset+4),
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};
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if (entry.Offset < index_end || !entry.CheckPlacement (file.MaxOffset))
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return null;
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entry.Name = string.Format ("{0}#{1:D5}", base_name, i);
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dir.Add (entry);
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index_offset += 8;
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}
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foreach (PackedEntry entry in dir)
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{
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var n = file.View.ReadInt32 (entry.Offset);
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if (n <= 0)
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return null;
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var offset = file.View.ReadUInt32 (entry.Offset+4);
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var size = file.View.ReadUInt32 (entry.Offset+8);
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entry.Offset += offset;
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entry.Size = size & 0x3FFFFFFF;
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entry.IsPacked = 2 != (size >> 30);
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if (!entry.CheckPlacement (file.MaxOffset))
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return null;
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var res = AutoEntry.DetectFileType (file.View.ReadUInt32 (entry.Offset));
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if (res != null)
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{
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entry.Type = res.Type;
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var ext = res.Extensions.FirstOrDefault();
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if (!string.IsNullOrEmpty (ext))
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entry.Name = Path.ChangeExtension (entry.Name, ext);
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}
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}
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return new ArcFile (file, this, dir);
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}
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public override Stream OpenEntry (ArcFile arc, Entry entry)
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{
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var input = arc.File.CreateStream (entry.Offset, entry.Size);
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var pent = entry as PackedEntry;
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if (null == pent || !pent.IsPacked)
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return input;
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return new LzssStream (input);
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}
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}
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[Export(typeof(ArchiveFormat))]
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public class GamedatOpener : ArchiveFormat
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{
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public override string Tag { get { return "BIN/Dogenzaka/2"; } }
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public override string Description { get { return "Dogenzaka Lab archive"; } }
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public override uint Signature { get { return 0; } }
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public override bool IsHierarchic { get { return false; } }
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public override bool CanCreate { get { return false; } }
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public GamedatOpener ()
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{
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Extensions = new string[] { "bin" };
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}
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public override ArcFile TryOpen (ArcView file)
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{
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int count = file.View.ReadInt32 (0);
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if (!IsSaneCount (count-1))
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return null;
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uint base_offset = (uint)(4 + 4 * count);
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if (base_offset >= file.MaxOffset)
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return null;
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uint index_offset = 4;
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uint next_offset = file.View.ReadUInt32 (index_offset);
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if (next_offset != 0)
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return null;
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var base_name = Path.GetFileNameWithoutExtension (file.Name);
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next_offset = base_offset;
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--count;
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var dir = new List<Entry> (count);
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for (int i = 0; i < count; ++i)
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{
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index_offset += 4;
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var name = string.Format ("{0}#{1:D4}", base_name, i);
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var entry = AutoEntry.Create (file, next_offset, name);
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next_offset = base_offset + file.View.ReadUInt32 (index_offset);
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if (next_offset > file.MaxOffset)
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return null;
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entry.Size = next_offset - (uint)entry.Offset;
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dir.Add (entry);
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}
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return new ArcFile (file, this, dir);
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}
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}
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}
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160
ArcFormats/Dogenzaka/ImageRSA.cs
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160
ArcFormats/Dogenzaka/ImageRSA.cs
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@@ -0,0 +1,160 @@
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//! \file ImageRSA.cs
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//! \date Tue Jul 05 20:38:47 2016
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//! \brief RSA-encrypted PNG image.
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//
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// Copyright (C) 2016 by morkt
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to
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// deal in the Software without restriction, including without limitation the
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// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
|
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// sell copies of the Software, and to permit persons to whom the Software is
|
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// furnished to do so, subject to the following conditions:
|
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
|
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//
|
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
|
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// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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// IN THE SOFTWARE.
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//
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using System;
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using System.ComponentModel.Composition;
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using System.IO;
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using System.Linq;
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using System.Security.Cryptography;
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using System.Text;
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namespace GameRes.Formats.Dogenzaka
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{
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internal class Rc4PngMetaData : ImageMetaData
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{
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public byte[] Key;
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}
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[Export(typeof(ImageFormat))]
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public class Rc4PngFormat : PngFormat
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{
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public override string Tag { get { return "PNG/RC4"; } }
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public override string Description { get { return "RC4 encrypted PNG image"; } }
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public override uint Signature { get { return 0xC4F7F61A; } }
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public Rc4PngFormat ()
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{
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Extensions = new string[] { "a" };
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}
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public static readonly byte[] KnownKey = Encoding.ASCII.GetBytes ("Hlk9D28p");
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public override ImageMetaData ReadMetaData (Stream stream)
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{
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using (var sha = SHA1.Create())
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{
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var key = sha.ComputeHash (KnownKey).Take (16).ToArray();
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using (var proxy = new InputProxyStream (stream, true))
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using (var input = new CryptoStream (proxy, new Rc4Transform (key), CryptoStreamMode.Read))
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{
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var info = base.ReadMetaData (input);
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if (null == info)
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return null;
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return new Rc4PngMetaData
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{
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Width = info.Width,
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Height = info.Height,
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OffsetX = info.OffsetX,
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OffsetY = info.OffsetY,
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BPP = info.BPP,
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Key = key,
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};
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}
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}
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}
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public override ImageData Read (Stream stream, ImageMetaData info)
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{
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var rc4 = (Rc4PngMetaData)info;
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using (var sha = SHA1.Create())
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using (var proxy = new InputProxyStream (stream, true))
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using (var input = new CryptoStream (proxy, new Rc4Transform (rc4.Key), CryptoStreamMode.Read))
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return base.Read (input, info);
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}
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public override void Write (Stream file, ImageData image)
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{
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throw new NotImplementedException ("Rc4PngFormat.Write not implemented");
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}
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}
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public sealed class Rc4Transform : ICryptoTransform
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{
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private const int StateLength = 256;
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private const int BlockSize = 256;
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private byte[] m_state = new byte[StateLength];
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private int x;
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private int y;
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private byte[] m_key;
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public bool CanReuseTransform { get { return false; } }
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public bool CanTransformMultipleBlocks { get { return true; } }
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public int InputBlockSize { get { return BlockSize; } }
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public int OutputBlockSize { get { return BlockSize; } }
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public Rc4Transform (byte[] key)
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{
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m_key = key;
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x = 0;
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y = 0;
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for (int i = 0; i < StateLength; ++i)
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{
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m_state[i] = (byte)i;
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}
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int i1 = 0;
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int i2 = 0;
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for (int i = 0; i < StateLength; ++i)
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{
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i2 = ((m_key[i1] & 0xFF) + m_state[i] + i2) & 0xFF;
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byte t = m_state[i];
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m_state[i] = m_state[i2];
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m_state[i2] = t;
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i1 = (i1+1) % m_key.Length;
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}
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}
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public int TransformBlock (byte[] inBuf, int inOffset, int inCount,
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byte[] outBuf, int outOffset)
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{
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for (int i = 0; i < inCount; i++)
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{
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x = (x + 1) & 0xFF;
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y = (m_state[x] + y) & 0xFF;
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byte t = m_state[x];
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m_state[x] = m_state[y];
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m_state[y] = t;
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outBuf[i+outOffset] = (byte)(inBuf[i + inOffset] ^ m_state[(m_state[x] + m_state[y]) & 0xFF]);
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}
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return inCount;
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}
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public byte[] TransformFinalBlock (byte[] inBuf, int inOffset, int inCount)
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{
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byte[] output = new byte[inCount];
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TransformBlock (inBuf, inOffset, inCount, output, 0);
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return output;
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}
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public void Dispose ()
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{
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GC.SuppressFinalize (this);
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}
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}
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}
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