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implemented encrypted NSA archives.

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This commit is contained in:
morkt 2015-09-01 03:38:04 +04:00
parent 47b3d6adf0
commit aa225cc967
15 changed files with 638 additions and 265 deletions
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9
ArcFormats/ArcFormats.csproj
View File

@ -92,6 +92,11 @@
<Compile Include="Ffa\ArcFFA.cs" />
<Compile Include="Interheart\ArcFPK.cs" />
<Compile Include="ArcFVP.cs" />
<Compile Include="NScripter\EncryptedStream.cs" />
<Compile Include="NScripter\ArcSAR.cs" />
<Compile Include="NScripter\WidgetNSA.xaml.cs">
<DependentUpon>WidgetNSA.xaml</DependentUpon>
</Compile>
<Compile Include="Pajamas\ArcGameDat.cs" />
<Compile Include="G2\ArcGCEX.cs" />
<Compile Include="BlackCyc\ArcGPK.cs" />
@ -354,6 +359,10 @@
<SubType>Designer</SubType>
<Generator>MSBuild:Compile</Generator>
</Page>
<Page Include="NScripter\WidgetNSA.xaml">
<SubType>Designer</SubType>
<Generator>MSBuild:Compile</Generator>
</Page>
<Page Include="RenPy\CreateRPAWidget.xaml">
<SubType>Designer</SubType>
<Generator>MSBuild:Compile</Generator>

399
ArcFormats/NScripter/ArcNSA.cs
View File

@ -1,8 +1,8 @@
//! \file ArcNSA.cs
//! \date Sun Jul 27 11:25:46 2014
//! \brief ONScripter NSA/SAR archives implementation.
//! \brief NScripter NSA archives implementation.
//
// Copyright (C) 2014 by morkt
// Copyright (C) 2014-2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
@ -27,22 +27,33 @@ using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using GameRes.Formats.Strings;
using GameRes.Utility;
using GameRes.Formats.Properties;
using System.Text;
using System.Diagnostics;
using GameRes.Formats.Strings;
using GameRes.Formats.Properties;
using GameRes.Utility;
namespace GameRes.Formats.ONScripter
namespace GameRes.Formats.NScripter
{
public class NsaEntry : PackedEntry
{
public Compression CompressionType { get; set; }
}
internal class NsaEncryptedArchive : ArcFile
{
public readonly byte[] Key;
public NsaEncryptedArchive (ArcView arc, ArchiveFormat impl, ICollection<Entry> dir, byte[] key)
: base (arc, impl, dir)
{
Key = key;
}
}
public class NsaOptions : ResourceOptions
{
public Compression CompressionType { get; set; }
public string Password { get; set; }
}
public enum Compression
@ -54,138 +65,19 @@ namespace GameRes.Formats.ONScripter
NBZ = 4,
}
[Export(typeof(ArchiveFormat))]
public class SarOpener : ArchiveFormat
{
public override string Tag { get { return "SAR"; } }
public override string Description { get { return arcStrings.NSADescription; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return true; } }
public override ArcFile TryOpen (ArcView file)
{
int num_of_files = Binary.BigEndian (file.View.ReadInt16 (0));
if (num_of_files <= 0)
return null;
uint base_offset = Binary.BigEndian (file.View.ReadUInt32 (2));
if (base_offset >= file.MaxOffset || base_offset < 10 * (uint)num_of_files)
return null;
uint cur_offset = 6;
var dir = new List<Entry>();
for (int i = 0; i < num_of_files; ++i)
{
if (base_offset - cur_offset < 10)
return null;
int name_len;
byte[] name_buffer = ReadName (file, cur_offset, base_offset-cur_offset, out name_len);
if (0 == name_len || base_offset-cur_offset == name_len)
return null;
cur_offset += (uint)(name_len + 1);
if (base_offset - cur_offset < 8)
return null;
string name = Encodings.cp932.GetString (name_buffer, 0, name_len);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
if (!entry.CheckPlacement (file.MaxOffset))
return null;
cur_offset += 8;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
EntryCallback callback)
{
var encoding = Encodings.cp932.WithFatalFallback();
int callback_count = 0;
var real_entry_list = new List<Entry>();
var used_names = new HashSet<string>();
int index_size = 0;
foreach (var entry in list)
{
if (!used_names.Add (entry.Name)) // duplicate name
continue;
try
{
index_size += encoding.GetByteCount (entry.Name) + 1;
}
catch (EncoderFallbackException X)
{
throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
}
index_size += 8;
real_entry_list.Add (entry);
}
long start_offset = output.Position;
long base_offset = 6+index_size;
output.Seek (base_offset, SeekOrigin.Current);
foreach (var entry in real_entry_list)
{
using (var input = File.OpenRead (entry.Name))
{
var file_size = input.Length;
if (file_size > uint.MaxValue)
throw new FileSizeException();
long file_offset = output.Position - base_offset;
if (file_offset+file_size > uint.MaxValue)
throw new FileSizeException();
entry.Offset = file_offset;
entry.Size = (uint)file_size;
if (null != callback)
callback (callback_count++, entry, arcStrings.MsgAddingFile);
input.CopyTo (output);
}
}
if (null != callback)
callback (callback_count++, null, arcStrings.MsgWritingIndex);
output.Position = start_offset;
using (var writer = new BinaryWriter (output, encoding, true))
{
writer.Write (Binary.BigEndian ((short)real_entry_list.Count));
writer.Write (Binary.BigEndian ((uint)base_offset));
foreach (var entry in real_entry_list)
{
writer.Write (encoding.GetBytes (entry.Name));
writer.Write ((byte)0);
writer.Write (Binary.BigEndian ((uint)entry.Offset));
writer.Write (Binary.BigEndian ((uint)entry.Size));
}
}
}
protected static byte[] ReadName (ArcView file, uint offset, uint limit, out int name_len)
{
byte[] name_buffer = new byte[40];
for (name_len = 0; name_len < limit; ++name_len)
{
byte b = file.View.ReadByte (offset+name_len);
if (0 == b)
break;
if (name_buffer.Length == name_len)
{
Array.Resize (ref name_buffer, checked(name_len/2*3));
}
name_buffer[name_len] = b;
}
return name_buffer;
}
}
[Export(typeof(ArchiveFormat))]
public class NsaOpener : SarOpener
{
public override string Tag { get { return "NSA"; } }
public static readonly Dictionary<string, string> KnownKeys = new Dictionary<string, string>()
{
{ "Kimi ga Aruji de Shitsuji ga Ore de",
"kopkl;fdsl;kl;mwekopj@pgfd[p;:kl:;,lwret;kl;kolsgfdio@pdsflkl:,rse;:l,;:lpksdfpo" },
{ "Kiss yori Amakute Fukai Mono",
"dfklmdsgkmlkmljklgfnlsdfnklsdfjkl;sdfmkldfskfsdmklsdfjklfdsjklsdfsdfl;" },
};
public NsaOpener ()
{
Extensions = new string[] { "nsa", "dat" };
@ -193,85 +85,140 @@ namespace GameRes.Formats.ONScripter
public override ArcFile TryOpen (ArcView file)
{
if (0 != file.View.ReadInt16 (0))
return ReadIndex (file, 0);
else
return ReadIndex (file, 2);
List<Entry> dir = null;
bool zero_signature = 0 == file.View.ReadInt16 (0);
try
{
using (var input = new ViewStream (file, true))
{
if (zero_signature)
input.Seek (2, SeekOrigin.Begin);
dir = ReadIndex (input);
if (null != dir)
return new ArcFile (file, this, dir);
}
}
catch { /* ignore parse errors */ }
if (zero_signature || !file.Name.EndsWith (".nsa", StringComparison.InvariantCultureIgnoreCase))
return null;
var password = QueryPassword();
if (string.IsNullOrEmpty (password))
return null;
var key = Encoding.ASCII.GetBytes (password);
using (var input = new EncryptedViewStream (file, key, true))
{
dir = ReadIndex (input);
if (null == dir)
return null;
return new NsaEncryptedArchive (file, this, dir, key);
}
}
private ArcFile ReadIndex (ArcView file, uint base_offset)
protected List<Entry> ReadIndex (Stream file)
{
int num_of_files = Binary.BigEndian (file.View.ReadInt16 (base_offset));
if (num_of_files <= 0)
return null;
uint cur_offset = base_offset+6;
base_offset += Binary.BigEndian (file.View.ReadUInt32 (base_offset+2));
if (base_offset >= file.MaxOffset || base_offset < 15 * (uint)num_of_files)
return null;
var dir = new List<Entry>();
for (int i = 0; i < num_of_files; ++i)
long base_offset = file.Position;
using (var input = new ArcView.Reader (file))
{
if (base_offset - cur_offset < 15)
int count = Binary.BigEndian (input.ReadInt16());
if (!IsSaneCount (count))
return null;
int name_len;
byte[] name_buffer = ReadName (file, cur_offset, base_offset-cur_offset, out name_len);
if (0 == name_len || base_offset-cur_offset == name_len)
return null;
cur_offset += (uint)(name_len + 1);
if (base_offset - cur_offset < 13)
base_offset += Binary.BigEndian (input.ReadUInt32());
if (base_offset >= file.Length || base_offset < 15 * count)
return null;
var name = Encodings.cp932.GetString (name_buffer, 0, name_len);
var entry = FormatCatalog.Instance.Create<NsaEntry> (name);
byte compression_type = file.View.ReadByte (cur_offset);
entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+1)) + (long)base_offset;
entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+5));
if (!entry.CheckPlacement (file.MaxOffset))
return null;
entry.UnpackedSize = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+9));
entry.IsPacked = compression_type != 0;
switch (compression_type)
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
case 0: entry.CompressionType = Compression.None; break;
case 1: entry.CompressionType = Compression.SPB; break;
case 2: entry.CompressionType = Compression.LZSS; break;
case 4: entry.CompressionType = Compression.NBZ; break;
default: entry.CompressionType = Compression.Unknown; break;
if (base_offset - file.Position < 15)
return null;
var name = file.ReadCString();
if (base_offset - file.Position < 13)
return null;
var entry = FormatCatalog.Instance.Create<NsaEntry> (name);
byte compression_type = input.ReadByte();
entry.Offset = Binary.BigEndian (input.ReadUInt32()) + base_offset;
entry.Size = Binary.BigEndian (input.ReadUInt32());
if (!entry.CheckPlacement (file.Length))
return null;
entry.UnpackedSize = Binary.BigEndian (input.ReadUInt32());
entry.IsPacked = compression_type != 0;
switch (compression_type)
{
case 0: entry.CompressionType = Compression.None; break;
case 1: entry.CompressionType = Compression.SPB; break;
case 2: entry.CompressionType = Compression.LZSS; break;
case 4: entry.CompressionType = Compression.NBZ; break;
default: entry.CompressionType = Compression.Unknown; break;
}
dir.Add (entry);
}
cur_offset += 13;
dir.Add (entry);
return dir;
}
return new ArcFile (file, this, dir);
}
public override Stream OpenEntry (ArcFile arc, Entry entry)
{
var nsa_entry = entry as NsaEntry;
if (null != nsa_entry &&
(Compression.LZSS == nsa_entry.CompressionType ||
Compression.SPB == nsa_entry.CompressionType))
var nsa_arc = arc as NsaEncryptedArchive;
if (null == nsa_arc)
{
using (var input = arc.File.CreateStream (nsa_entry.Offset, nsa_entry.Size))
{
var decoder = new Unpacker (input, nsa_entry.UnpackedSize);
switch (nsa_entry.CompressionType)
{
case Compression.LZSS: return decoder.LzssDecodedStream();
case Compression.SPB: return decoder.SpbDecodedStream();
}
}
var input = arc.File.CreateStream (entry.Offset, entry.Size);
return UnpackEntry (input, entry as NsaEntry);
}
return arc.File.CreateStream (entry.Offset, entry.Size);
var data = new byte[entry.Size];
using (var input = new EncryptedViewStream (arc.File, nsa_arc.Key, true))
{
input.Position = entry.Offset;
input.Read (data, 0, data.Length);
}
return UnpackEntry (new MemoryStream (data), entry as NsaEntry);
}
protected Stream UnpackEntry (Stream input, NsaEntry nsa_entry)
{
if (null == nsa_entry
|| !(Compression.LZSS == nsa_entry.CompressionType ||
Compression.SPB == nsa_entry.CompressionType))
return input;
using (input)
{
var decoder = new Unpacker (input, nsa_entry.UnpackedSize);
if (Compression.SPB == nsa_entry.CompressionType)
return decoder.SpbDecodedStream();
else
return decoder.LzssDecodedStream();
}
}
private string QueryPassword ()
{
var options = Query<NsaOptions> (arcStrings.ArcEncryptedNotice);
return options.Password;
}
public override ResourceOptions GetDefaultOptions ()
{
return new NsaOptions {
CompressionType = Settings.Default.ONSCompression,
CompressionType = Settings.Default.ONSCompression,
Password = Settings.Default.NSAPassword,
};
}
public override ResourceOptions GetOptions (object widget)
{
var w = widget as GUI.WidgetNSA;
if (null != w)
Settings.Default.NSAPassword = w.Password.Text;
return GetDefaultOptions();
}
public override object GetAccessWidget ()
{
return new GUI.WidgetNSA();
}
public override object GetCreationWidget ()
{
return new GUI.CreateONSWidget();
@ -384,42 +331,34 @@ namespace GameRes.Formats.ONScripter
public const int F = ((1 << EJ) + P); /* lookahead buffer size */
}
internal class Unpacker
internal class Unpacker : MsbBitStream
{
private Stream m_input;
private byte[] m_output;
private byte[] m_read_buf = new byte[4096];
public Unpacker (Stream input, uint unpacked_size)
public byte[] Output { get { return m_output; } }
public Unpacker (Stream input, uint unpacked_size) : base (input, true)
{
m_input = input;
m_output = new byte[unpacked_size];
}
public Stream LzssDecodedStream ()
{
uint size = DecodeLZSS();
if (size != m_output.Length)
System.Diagnostics.Trace.WriteLine ("Invalid compressed data", "LzssDecoder");
return new MemoryStream (m_output, false);
DecodeLZSS();
return new MemoryStream (m_output);
}
public Stream SpbDecodedStream ()
{
uint size = DecodeSPB();
return new MemoryStream (m_output, false);
DecodeSPB();
return new MemoryStream (m_output);
}
private int m_getbit_mask;
private int m_getbit_len;
private int m_getbit_count;
uint DecodeLZSS ()
{
uint count = 0;
m_getbit_mask = 0;
m_getbit_len = m_getbit_count = 0;
byte[] decomp_buffer = new byte[LZSS.N*2];
int r = LZSS.N - LZSS.F;
int c;
@ -456,13 +395,10 @@ namespace GameRes.Formats.ONScripter
uint DecodeSPB ()
{
m_getbit_mask = 0;
m_getbit_len = m_getbit_count = 0;
uint width = (uint)(m_input.ReadByte() << 8);
width |= (uint)m_input.ReadByte();
uint height = (uint)(m_input.ReadByte() << 8);
height |= (uint)m_input.ReadByte();
uint width = (uint)Input.ReadByte() << 8;
width |= (uint)Input.ReadByte();
uint height = (uint)Input.ReadByte() << 8;
height |= (uint)Input.ReadByte();
uint width_pad = (4 - width * 3 % 4) % 4;
int stride = (int)(width * 3 + width_pad);
@ -475,19 +411,13 @@ namespace GameRes.Formats.ONScripter
/* Write header */
m_output[0] = (byte)'B';
m_output[1] = (byte)'M';
m_output[2] = (byte)(total_size & 0xff);
m_output[3] = (byte)((total_size >> 8) & 0xff);
m_output[4] = (byte)((total_size >> 16) & 0xff);
m_output[5] = (byte)((total_size >> 24) & 0xff);
LittleEndian.Pack (total_size, m_output, 2);
m_output[10] = 54; // offset to the body
m_output[14] = 40; // header size
m_output[18] = (byte)(width & 0xff);
m_output[19] = (byte)((width >> 8) & 0xff);
m_output[22] = (byte)(height & 0xff);
m_output[23] = (byte)((height >> 8) & 0xff);
LittleEndian.Pack (width, m_output, 18);
LittleEndian.Pack (height, m_output, 22);
m_output[26] = 1; // the number of the plane
m_output[28] = 24; // bpp
// m_output[34] = (byte)(total_size - 54); // size of the body
byte[] decomp_buffer = new byte[width*height*4];
@ -554,33 +484,6 @@ namespace GameRes.Formats.ONScripter
}
return total_size;
}
private int m_getbit_buf = 0;
int GetBits (int n)
{
int x = 0;
for (int i = 0; i < n; i++)
{
if (0 == m_getbit_mask)
{
if (m_getbit_len == m_getbit_count)
{
m_getbit_len = m_input.Read (m_read_buf, 0, m_read_buf.Length);
if (0 == m_getbit_len)
return -1;
m_getbit_count = 0;
}
m_getbit_buf = m_read_buf[m_getbit_count++];
m_getbit_mask = 128;
}
x <<= 1;
if (0 != (m_getbit_buf & m_getbit_mask))
x |= 1;
m_getbit_mask >>= 1;
}
return x;
}
}
internal class Packer

160
ArcFormats/NScripter/ArcSAR.cs Normal file
View File

@ -0,0 +1,160 @@
//! \file ArcSAR.cs
//! \date Tue Sep 01 01:36:24 2015
//! \brief NScripter SAR archives implementation.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.IO;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Text;
using GameRes.Formats.Strings;
using GameRes.Utility;
namespace GameRes.Formats.NScripter
{
[Export(typeof(ArchiveFormat))]
public class SarOpener : ArchiveFormat
{
public override string Tag { get { return "SAR"; } }
public override string Description { get { return arcStrings.NSADescription; } }
public override uint Signature { get { return 0; } }
public override bool IsHierarchic { get { return true; } }
public override bool CanCreate { get { return true; } }
public override ArcFile TryOpen (ArcView file)
{
int num_of_files = Binary.BigEndian (file.View.ReadInt16 (0));
if (num_of_files <= 0)
return null;
uint base_offset = Binary.BigEndian (file.View.ReadUInt32 (2));
if (base_offset >= file.MaxOffset || base_offset < 10 * (uint)num_of_files)
return null;
uint cur_offset = 6;
var dir = new List<Entry>();
for (int i = 0; i < num_of_files; ++i)
{
if (base_offset - cur_offset < 10)
return null;
int name_len;
byte[] name_buffer = ReadName (file, cur_offset, base_offset-cur_offset, out name_len);
if (0 == name_len || base_offset-cur_offset == name_len)
return null;
cur_offset += (uint)(name_len + 1);
if (base_offset - cur_offset < 8)
return null;
string name = Encodings.cp932.GetString (name_buffer, 0, name_len);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (cur_offset)) + (long)base_offset;
entry.Size = Binary.BigEndian (file.View.ReadUInt32 (cur_offset+4));
if (!entry.CheckPlacement (file.MaxOffset))
return null;
cur_offset += 8;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override void Create (Stream output, IEnumerable<Entry> list, ResourceOptions options,
EntryCallback callback)
{
var encoding = Encodings.cp932.WithFatalFallback();
int callback_count = 0;
var real_entry_list = new List<Entry>();
var used_names = new HashSet<string>();
int index_size = 0;
foreach (var entry in list)
{
if (!used_names.Add (entry.Name)) // duplicate name
continue;
try
{
index_size += encoding.GetByteCount (entry.Name) + 1;
}
catch (EncoderFallbackException X)
{
throw new InvalidFileName (entry.Name, arcStrings.MsgIllegalCharacters, X);
}
index_size += 8;
real_entry_list.Add (entry);
}
long start_offset = output.Position;
long base_offset = 6+index_size;
output.Seek (base_offset, SeekOrigin.Current);
foreach (var entry in real_entry_list)
{
using (var input = File.OpenRead (entry.Name))
{
var file_size = input.Length;
if (file_size > uint.MaxValue)
throw new FileSizeException();
long file_offset = output.Position - base_offset;
if (file_offset+file_size > uint.MaxValue)
throw new FileSizeException();
entry.Offset = file_offset;
entry.Size = (uint)file_size;
if (null != callback)
callback (callback_count++, entry, arcStrings.MsgAddingFile);
input.CopyTo (output);
}
}
if (null != callback)
callback (callback_count++, null, arcStrings.MsgWritingIndex);
output.Position = start_offset;
using (var writer = new BinaryWriter (output, encoding, true))
{
writer.Write (Binary.BigEndian ((short)real_entry_list.Count));
writer.Write (Binary.BigEndian ((uint)base_offset));
foreach (var entry in real_entry_list)
{
writer.Write (encoding.GetBytes (entry.Name));
writer.Write ((byte)0);
writer.Write (Binary.BigEndian ((uint)entry.Offset));
writer.Write (Binary.BigEndian ((uint)entry.Size));
}
}
}
protected static byte[] ReadName (ArcView file, uint offset, uint limit, out int name_len)
{
byte[] name_buffer = new byte[40];
for (name_len = 0; name_len < limit; ++name_len)
{
byte b = file.View.ReadByte (offset+name_len);
if (0 == b)
break;
if (name_buffer.Length == name_len)
{
Array.Resize (ref name_buffer, checked(name_len/2*3));
}
name_buffer[name_len] = b;
}
return name_buffer;
}
}
}

19
ArcFormats/NScripter/CreateONSWidget.xaml.cs
View File

@ -1,6 +1,5 @@
using System;
using System.Globalization;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using GameRes.Formats.Strings;
@ -18,16 +17,16 @@ namespace GameRes.Formats.GUI
}
}
[ValueConversion (typeof (ONScripter.Compression), typeof (string))]
[ValueConversion (typeof (NScripter.Compression), typeof (string))]
class CompressionToStringConverter : IValueConverter
{
public object Convert (object value, Type targetType, object parameter, CultureInfo culture)
{
switch ((ONScripter.Compression)value)
switch ((NScripter.Compression)value)
{
case ONScripter.Compression.SPB: return "SPB";
case ONScripter.Compression.LZSS: return "LZSS";
case ONScripter.Compression.NBZ: return "NBZ";
case NScripter.Compression.SPB: return "SPB";
case NScripter.Compression.LZSS: return "LZSS";
case NScripter.Compression.NBZ: return "NBZ";
default: return arcStrings.ONSCompressionNone;
}
}
@ -38,13 +37,13 @@ namespace GameRes.Formats.GUI
if (!string.IsNullOrEmpty (s))
{
if ("SPB" == s)
return ONScripter.Compression.SPB;
return NScripter.Compression.SPB;
else if ("LZSS" == s)
return ONScripter.Compression.LZSS;
return NScripter.Compression.LZSS;
else if ("NBZ" == s)
return ONScripter.Compression.NBZ;
return NScripter.Compression.NBZ;
}
return ONScripter.Compression.None;
return NScripter.Compression.None;
}
}
}

200
ArcFormats/NScripter/EncryptedStream.cs Normal file
View File

@ -0,0 +1,200 @@
//! \file ArcEncrypted.cs
//! \date Mon Aug 31 11:43:25 2015
//! \brief Encrypted NSA archives implementation.
//
// Copyright (C) 2015 by morkt
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to
// deal in the Software without restriction, including without limitation the
// rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
// sell copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
// IN THE SOFTWARE.
//
using System;
using System.IO;
using System.Linq;
using System.Security.Cryptography;
using GameRes.Utility;
namespace GameRes.Formats.NScripter
{
public class ViewStream : Stream
{
protected ArcView m_file;
protected long m_position = 0;
bool m_should_dispose;
public ViewStream (ArcView mmap, bool leave_open = false)
{
m_file = mmap;
m_should_dispose = !leave_open;
}
public override int Read (byte[] buf, int index, int count)
{
if (m_position >= m_file.MaxOffset)
return 0;
int read = m_file.View.Read (m_position, buf, index, (uint)count);
m_position += read;
return read;
}
#region IO.Stream methods
public override bool CanRead { get { return true; } }
public override bool CanWrite { get { return false; } }
public override bool CanSeek { get { return true; } }
public override long Length { get { return m_file.MaxOffset; } }
public override long Position
{
get { return m_position; }
set { m_position = value; }
}
public override long Seek (long pos, SeekOrigin whence)
{
if (SeekOrigin.Current == whence)
m_position += pos;
else if (SeekOrigin.End == whence)
m_position = m_file.MaxOffset + pos;
else
m_position = pos;
return m_position;
}
public override void Write (byte[] buf, int index, int count)
{
throw new NotSupportedException();
}
public override void SetLength (long length)
{
throw new NotSupportedException();
}
public override void Flush ()
{
}
#endregion
#region IDisposable methods
bool m_disposed = false;
protected override void Dispose (bool disposing)
{
if (!m_disposed)
{
if (disposing && m_should_dispose)
m_file.Dispose();
m_disposed = true;
base.Dispose();
}
}
#endregion
}
internal class EncryptedViewStream : ViewStream
{
byte[] m_key;
byte[] m_current_block = new byte[BlockLength];
int m_current_block_length = 0;
long m_current_block_position = 0;
static readonly HashAlgorithm MD5 = System.Security.Cryptography.MD5.Create();
static readonly HashAlgorithm SHA1 = System.Security.Cryptography.SHA1.Create();
public const int BlockLength = 1024;
public EncryptedViewStream (ArcView mmap, byte[] key, bool leave_open = false)
: base (mmap, leave_open)
{
m_key = key;
}
public override int Read (byte[] buf, int index, int count)
{
int total_read = 0;
bool refill_buffer = !(m_position >= m_current_block_position && m_position < m_current_block_position + m_current_block_length);
while (count > 0 && m_position < m_file.MaxOffset)
{
if (refill_buffer)
{
int block_num = (int)(m_position / BlockLength);
m_current_block_position = m_position & ~((long)BlockLength-1);
m_current_block_length = m_file.View.Read (m_current_block_position, m_current_block, 0, (uint)BlockLength);
DecryptBlock (block_num);
}
int src_offset = (int)m_position & (BlockLength-1);
int available = Math.Min (count, m_current_block_length - src_offset);
Buffer.BlockCopy (m_current_block, src_offset, buf, index, available);
m_position += available;
total_read += available;
index += available;
count -= available;
refill_buffer = true;
}
return total_read;
}
private void DecryptBlock (int block_num)
{
byte[] bn = new byte[8];
LittleEndian.Pack (block_num, bn, 0);
var md5_hash = MD5.ComputeHash (bn);
var sha1_hash = SHA1.ComputeHash (bn);
var hmac_key = new byte[16];
for (int i = 0; i < 16; i++)
hmac_key[i] = (byte)(md5_hash[i] ^ sha1_hash[i]);
var HMAC = new HMACSHA512 (hmac_key);
var hmac_hash = HMAC.ComputeHash (m_key);
int[] map = Enumerable.Range (0, 256).ToArray();
byte index = 0;
int h = 0;
for (int i = 0; i < 256; i++)
{
if (hmac_hash.Length == h)
h = 0;
int tmp = map[i];
index = (byte)(tmp + hmac_hash[h++] + index);
map[i] = map[index];
map[index] = tmp;
}
int i0 = 0, i1 = 0;
for (int i = 0; i < 300; i++)
{
i0 = (i0 + 1) & 0xFF;
int tmp = map[i0];
i1 = (i1 + tmp) & 0xFF;
map[i0] = map[i1];
map[i1] = tmp;
}
for (int i = 0; i < m_current_block_length; i++)
{
i0 = (i0 + 1) & 0xFF;
int tmp = map[i0];
i1 = (i1 + tmp) & 0xFF;
map[i0] = map[i1];
map[i1] = tmp;
m_current_block[i] ^= (byte)map[(map[i0] + tmp) & 0xFF];
}
}
}
}

18
ArcFormats/NScripter/WidgetNSA.xaml Normal file
View File

@ -0,0 +1,18 @@
<Grid x:Class="GameRes.Formats.GUI.WidgetNSA"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:fmt="clr-namespace:GameRes.Formats.NScripter"
xmlns:p="clr-namespace:GameRes.Formats.Properties"
xmlns:s="clr-namespace:GameRes.Formats.Strings">
<Grid.RowDefinitions>
<RowDefinition/>
<RowDefinition/>
<RowDefinition/>
</Grid.RowDefinitions>
<Label Content="{x:Static s:arcStrings.NSAChoose}" Grid.Row="0" HorizontalAlignment="Left"/>
<ComboBox Name="Title" ItemsSource="{Binding Source={x:Static fmt:NsaOpener.KnownKeys}, Mode=OneWay}"
SelectedValue="{Binding Source={x:Static p:Settings.Default}, Path=NSATitle, Mode=TwoWay}"
SelectedValuePath="Key" DisplayMemberPath="Key" SelectionChanged="Title_SelectionChanged"
Width="200" Grid.Row="1" HorizontalAlignment="Left"/>
<TextBox Name="Password" Width="200" HorizontalAlignment="Left" Grid.Row="2" Margin="0,5,0,0"/>
</Grid>

33
ArcFormats/NScripter/WidgetNSA.xaml.cs Normal file
View File

@ -0,0 +1,33 @@
using System.Collections.Generic;
using System.Windows.Controls;
using GameRes.Formats.Properties;
namespace GameRes.Formats.GUI
{
/// <summary>
/// Interaction logic for NSAWidget.xaml
/// </summary>
public partial class WidgetNSA : Grid
{
public WidgetNSA ()
{
InitializeComponent ();
this.Password.Text = Settings.Default.NSAPassword;
if (null != this.Title.SelectedItem)
{
var selected = (KeyValuePair<string, string>)this.Title.SelectedItem;
if (Settings.Default.NSAPassword != selected.Value)
this.Title.SelectedIndex = -1;
}
}
private void Title_SelectionChanged (object sender, SelectionChangedEventArgs e)
{
if (null != this.Title.SelectedItem && null != this.Password)
{
var selected = (KeyValuePair<string, string>)this.Title.SelectedItem;
this.Password.Text = selected.Value;
}
}
}
}

4
ArcFormats/Properties/AssemblyInfo.cs
View File

@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
// You can specify all the values or you can default the Build and Revision Numbers
// by using the '*' as shown below:
// [assembly: AssemblyVersion("1.0.*")]
[assembly: AssemblyVersion ("1.1.10.422")]
[assembly: AssemblyFileVersion ("1.1.10.422")]
[assembly: AssemblyVersion ("1.1.10.423")]
[assembly: AssemblyFileVersion ("1.1.10.423")]

28
ArcFormats/Properties/Settings.Designer.cs generated
View File

@ -133,9 +133,9 @@ namespace GameRes.Formats.Properties {
[global::System.Configuration.UserScopedSettingAttribute()]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Configuration.DefaultSettingValueAttribute("None")]
public global::GameRes.Formats.ONScripter.Compression ONSCompression {
public global::GameRes.Formats.NScripter.Compression ONSCompression {
get {
return ((global::GameRes.Formats.ONScripter.Compression)(this["ONSCompression"]));
return ((global::GameRes.Formats.NScripter.Compression)(this["ONSCompression"]));
}
set {
this["ONSCompression"] = value;
@ -417,5 +417,29 @@ namespace GameRes.Formats.Properties {
this["RCTTitle"] = value;
}
}
[global::System.Configuration.UserScopedSettingAttribute()]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Configuration.DefaultSettingValueAttribute("")]
public string NSAPassword {
get {
return ((string)(this["NSAPassword"]));
}
set {
this["NSAPassword"] = value;
}
}
[global::System.Configuration.UserScopedSettingAttribute()]
[global::System.Diagnostics.DebuggerNonUserCodeAttribute()]
[global::System.Configuration.DefaultSettingValueAttribute("")]
public string NSATitle {
get {
return ((string)(this["NSATitle"]));
}
set {
this["NSATitle"] = value;
}
}
}
}

10
ArcFormats/Properties/Settings.settings
View File

@ -29,7 +29,7 @@
<Setting Name="SGFileNameEncoding" Type="System.String" Scope="User">
<Value Profile="(Default)">shift-jis</Value>
</Setting>
<Setting Name="ONSCompression" Type="GameRes.Formats.ONScripter.Compression" Scope="User">
<Setting Name="ONSCompression" Type="GameRes.Formats.NScripter.Compression" Scope="User">
<Value Profile="(Default)">None</Value>
</Setting>
<Setting Name="AMIBaseArchive" Type="System.String" Scope="User">
@ -101,5 +101,11 @@
<Setting Name="RCTTitle" Type="System.String" Scope="User">
<Value Profile="(Default)" />
</Setting>
<Setting Name="NSAPassword" Type="System.String" Scope="User">
<Value Profile="(Default)" />
</Setting>
<Setting Name="NSATitle" Type="System.String" Scope="User">
<Value Profile="(Default)" />
</Setting>
</Settings>
</SettingsFile>
</SettingsFile>

9
ArcFormats/Strings/arcStrings.Designer.cs generated
View File

@ -470,6 +470,15 @@ namespace GameRes.Formats.Strings {
}
}
/// <summary>
/// Looks up a localized string similar to Choose title or enter a password.
/// </summary>
public static string NSAChoose {
get {
return ResourceManager.GetString("NSAChoose", resourceCulture);
}
}
/// <summary>
/// Looks up a localized string similar to ONScripter game engine resource archive.
/// </summary>

3
ArcFormats/Strings/arcStrings.resx
View File

@ -331,4 +331,7 @@ Choose encryption scheme or enter a passphrase.</value>
<data name="RCTChoose" xml:space="preserve">
<value>Choose title or enter a password</value>
</data>
<data name="NSAChoose" xml:space="preserve">
<value>Choose title or enter a password</value>
</data>
</root>

3
ArcFormats/Strings/arcStrings.ru-RU.resx
View File

@ -233,6 +233,9 @@
<value>Ключи шифрования
(требуются даже если содержимое не шифруется)</value>
</data>
<data name="NSAChoose" xml:space="preserve">
<value>Выберите наименование или введите пароль</value>
</data>
<data name="ONSArchiveType" xml:space="preserve">
<value>Тип архива</value>
</data>

6
ArcFormats/app.config
View File

@ -103,6 +103,12 @@
<setting name="RCTTitle" serializeAs="String">
<value />
</setting>
<setting name="NSAPassword" serializeAs="String">
<value />
</setting>
<setting name="NSATitle" serializeAs="String">
<value />
</setting>
</GameRes.Formats.Properties.Settings>
</userSettings>
<startup><supportedRuntime version="v4.0" sku=".NETFramework,Version=v4.5"/></startup></configuration>

2
supported.html
View File

@ -108,7 +108,7 @@ Zoku Satsuriku no Django<br/>
Hanachirasu<br/>
Jingai Makyou<br/>
</td></tr>
<tr class="odd"><td>*.nsa<br/>*.sar</td><td>-</td><td>Yes</td><td>NScripter</td><td>
<tr class="odd"><td>*.nsa<br/>*.sar</td><td>-</td><td>Yes<a href="#note-1" class="footnote">1</a></td><td>NScripter</td><td>
Binary Pot<br/>
Tsukihime<br/>
Umineko<br/>