public override ArcFile TryOpen(ArcView file)
{
long index_end = file.MaxOffset - 4;
uint index_size = file.View.ReadUInt32 (index_end);
if (0 == index_size || index_size >= index_end)
return null;
long index_offset = index_end - index_size;
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry>();
while (index_offset < index_end)
{
uint name_len = file.View.ReadByte (index_offset++);
if (0 == name_len)
break;
if (name_len+14 > index_end-index_offset)
return null;
string name = file.View.ReadString (index_offset, name_len);
index_offset += name_len+6;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Size = file.View.ReadUInt32 (index_offset);
entry.Offset = file.View.ReadUInt32 (index_offset+4);
if (!entry.CheckPlacement (index_offset))
return null;
dir.Add (entry);
index_offset += 8;
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.EndsWith (".pb", StringComparison.InvariantCultureIgnoreCase))
return null;
int count = file.View.ReadInt32 (0);
if (count <= 0 || count > 0xfff)
return null;
var dir = new List<Entry> (count);
int index_offset = 0x10;
bool is_voice = Path.GetFileName (file.Name).Equals ("voice.pb", StringComparison.InvariantCultureIgnoreCase);
int data_offset = index_offset + 8 * count;
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
Entry entry;
if (!is_voice)
entry = AutoEntry.Create (file, offset, i.ToString ("D4"));
else
entry = new Entry { Name = string.Format ("{0:D4}.pb", i), Type = "archive", Offset = offset };
entry.Size = file.View.ReadUInt32 (index_offset + 4);
if (offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
long index_offset = 4;
const int name_length = 0x20;
uint index_size = (uint)(count * (name_length + 8));
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset, (uint)name_length);
if (0 == name.Length)
return null;
index_offset += name_length;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (entry.Offset < index_size+4 || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
uint index_offset = file.View.ReadUInt32 (4);
if (index_offset >= file.MaxOffset)
return null;
int count = file.View.ReadInt32 (index_offset);
if (!IsSaneCount (count))
return null;
index_offset += 4;
uint index_size = (uint)(count * 0x88);
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = file.View.ReadString (index_offset+8, 0x80);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x88;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.EndsWith (".vpk", StringComparison.InvariantCultureIgnoreCase))
return null;
var vtb_name = Path.ChangeExtension (file.Name, "vtb");
if (!VFS.FileExists (vtb_name))
return null;
var vtb_entry = VFS.FindFile (vtb_name);
int count = (int)(vtb_entry.Size / 0x0C) - 1;
if (!IsSaneCount (count))
return null;
using (var vtb = VFS.OpenView (vtb_entry))
{
vtb.View.Reserve (0, (uint)vtb.MaxOffset);
uint index_offset = 0;
uint next_offset = vtb.View.ReadUInt32 (8);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = vtb.View.ReadString (index_offset, 8) + ".vaw";
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = next_offset;
index_offset += 0xC;
next_offset = vtb.View.ReadUInt32 (index_offset+8);
entry.Size = next_offset - (uint)entry.Offset;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
}
public override ArcFile TryOpen(ArcView file)
{
int signature = file.View.ReadInt16 (0);
if (0x4656 != signature && 0x4C56 != signature)
return null;
int version = file.View.ReadInt16 (2);
int count = file.View.ReadInt16 (4);
if (!IsSaneCount (count))
return null;
int entry_size = file.View.ReadInt16 (6);
int index_size = file.View.ReadInt32 (8);
if (entry_size <= 0 || index_size <= 0 || file.MaxOffset != file.View.ReadUInt32 (0xC))
return null;
if (version >= 0x0200)
return OpenV2 (file, count, entry_size, index_size);
int index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x13);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+0x13);
entry.Size = file.View.ReadUInt32 (index_offset+0x17);
entry.UnpackedSize = file.View.ReadUInt32 (index_offset+0x1B);
entry.IsPacked = 0 != file.View.ReadByte (index_offset+0x1F);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += entry_size;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
uint height = file.View.ReadUInt32 (4);
uint width = file.View.ReadUInt32 (8);
int count = file.View.ReadInt32 (12);
if (!IsSaneCount (count))
return null;
uint dir_size = file.View.ReadUInt32 (20);
uint cur_offset = 24;
uint data_offset = cur_offset + dir_size;
uint data_size = file.View.ReadUInt32 (data_offset);
data_offset += 4;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new LwgImageEntry();
entry.PosX = file.View.ReadInt32 (cur_offset);
entry.PosY = file.View.ReadInt32 (cur_offset+4);
entry.BPP = file.View.ReadByte (cur_offset+8);
entry.Offset = data_offset + file.View.ReadUInt32 (cur_offset+9);
entry.Size = file.View.ReadUInt32 (cur_offset+13);
uint name_length = file.View.ReadByte (cur_offset+17);
string name = file.View.ReadString (cur_offset+18, name_length);
entry.Name = name + ".wcg";
cur_offset += 18+name_length;
if (cur_offset > dir_size+24)
return null;
if (entry.CheckPlacement (data_offset + data_size))
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint index_offset = 8;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var offset = file.View.ReadUInt32 (index_offset);
var size = file.View.ReadUInt32 (index_offset+4);
if (0 != size)
{
var name = string.Format ("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create (file, offset, name);
entry.Size = size;
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
index_offset += 8;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual (4, "OggS"))
return null;
uint current_offset = 0;
uint first_size = file.View.ReadUInt32 (current_offset);
if (first_size >= file.MaxOffset)
return null;
var dir = new List<Entry>();
int n = 0;
while (current_offset < file.MaxOffset)
{
uint size = file.View.ReadUInt32 (current_offset);
if (current_offset + 4 + (long)size > file.MaxOffset)
return null;
if (file.View.AsciiEqual (current_offset+4, "OggS"))
{
var entry = new Entry {
Name = string.Format ("{0:D5}.ogg", n++),
Type = "audio",
Offset = current_offset + 4,
Size = size,
};
dir.Add (entry);
}
current_offset += 4+size;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
#pragma warning disable 219
string type;
if (file.View.AsciiEqual (0, "M2TYPE_WAV"))
type = "wave";
else if (file.View.AsciiEqual (0, "M2T_BMP"))
type = "bmp_";
else if (file.View.AsciiEqual (0, "M2T_WORD"))
type = "word";
else
return null;
#pragma warning restore 219
uint index_size = file.View.ReadUInt32 (file.MaxOffset-12);
long index_offset = file.MaxOffset-0x14-index_size;
int count = file.View.ReadInt32 (file.MaxOffset-8);
if (index_offset <= 0 || count <= 0 || count > 0xfffff)
return null;
file.View.Reserve (index_offset, index_size);
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x10);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+0x10);
entry.Size = file.View.ReadUInt32 (index_offset+0x14);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x18;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int version = file.View.ReadByte (4) - '0';
if (version < 0 || !file.View.AsciiEqual (5, "0__"))
return null;
int count = file.View.ReadInt32 (0xC);
if (!IsSaneCount (count))
return null;
uint index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x100);
if (string.IsNullOrWhiteSpace (name))
return null;
index_offset += 0x100;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadInt64 (index_offset);
entry.Size = file.View.ReadUInt32 (index_offset+8);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x10;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (4);
if (!IsSaneCount (count))
return null;
uint data_offset = file.View.ReadUInt32 (8);
if (data_offset < 0x10 + count * 0x20)
return null;
if (data_offset > file.View.Reserve (0, data_offset))
return null;
uint index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x18);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Size = file.View.ReadUInt32 (index_offset+0x18);
entry.Offset = file.View.ReadUInt32 (index_offset+0x1C);
if (entry.Offset < data_offset || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x20;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
uint signature = file.View.ReadUInt32 (0);
if (0x44474d != (signature & 0xffffff)) // 'MGD'
return null;
int count = file.View.ReadInt16 (0x20);
if (count <= 0)
return null;
int flag = file.View.ReadUInt16 (3);
var dir = new List<Entry> (count);
int index_offset = 0x22;
byte[] name_buf = new byte[16];
for (uint i = 0; i < count; ++i)
{
int name_size = file.View.ReadByte (index_offset+1);
if (0 == name_size)
return null;
if (name_size > name_buf.Length)
Array.Resize (ref name_buf, name_size);
file.View.Read (index_offset+2, name_buf, 0, (uint)name_size);
if (100 == flag)
Decrypt (name_buf, 0, name_size);
string name = Encodings.cp932.GetString (name_buf, 0, name_size);
index_offset += 2 + name_size;
uint offset = file.View.ReadUInt32 (index_offset+4);
var entry = AutoEntry.Create (file, offset, name);
entry.Size = file.View.ReadUInt32 (index_offset);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 8;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual (0, "BSS-Composition\0"))
return null;
int count = file.View.ReadByte (0x11);
if (0 == count)
return null;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (count);
uint current_offset = 0x20;
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D3}.bsg", base_name, i),
Type = "image",
Offset = current_offset,
Size = 0x40 + file.View.ReadUInt32 (current_offset+0x36),
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
current_offset += entry.Size;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (8);
if (!IsSaneCount (count))
return null;
uint base_offset = file.View.ReadUInt32 (0x0c);
uint index_offset = 0x10;
uint index_size = 4u * (uint)count;
if (base_offset >= file.MaxOffset || base_offset < (index_offset+index_size))
return null;
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var index = new List<uint> (count);
for (int i = 0; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
if (offset != 0xffffffff)
index.Add (base_offset + offset);
index_offset += 4;
}
var dir = new List<Entry> (index.Count);
for (int i = 0; i < index.Count; ++i)
{
long offset = index[i];
string name = file.View.ReadString (offset, 0x20);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset + 0x24;
entry.Size = file.View.ReadUInt32 (offset+0x20);
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
uint index_offset = file.View.ReadUInt32 (0);
int count = file.View.ReadInt32 (4);
if (index_offset < 8 || index_offset >= file.MaxOffset || !IsSaneCount (count))
return null;
uint index_size = (uint)count * 0x28u;
if (index_size > file.MaxOffset - index_offset)
return null;
var index = file.View.ReadBytes (index_offset, index_size);
// last byte of the first filename presumably is zero
byte key = index[0x1F];
for (int i = 0; i < index.Length; ++i)
index[i] ^= key;
int current = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
int name_offset = '\\' == index[current] ? 1 : 0;
var name = Binary.GetCString (index, current+name_offset, 0x20-name_offset);
if (0 == name.Length)
return null;
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = LittleEndian.ToUInt32 (index, current+0x20);
entry.Size = LittleEndian.ToUInt32 (index, current+0x24);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
current += 0x28;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
uint skip = file.View.ReadUInt32 (4);
if (skip >= file.MaxOffset)
return null;
var dir = new List<Entry> (1);
dir.Add (new Entry {
Name = Path.GetFileNameWithoutExtension (file.Name)+".mpg",
Type = "video",
Offset = 8+skip,
Size = (uint)(file.MaxOffset-(8+skip)),
});
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt16 (0);
if (!IsSaneCount (count))
return null;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = FormatCatalog.Instance.Create<Entry> (name);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (file.MaxOffset > uint.MaxValue)
return null;
int dir_size = file.View.ReadUInt16 (0);
if (dir_size < 0x20 || 0 != (dir_size & 0xf) || dir_size + 2 >= file.MaxOffset)
return null;
byte first = file.View.ReadByte (2);
if (0 == first)
return null;
file.View.Reserve (0, (uint)dir_size + 2);
int dir_offset = 2;
uint next_offset = file.View.ReadUInt32 (dir_offset+12);
if (next_offset > file.MaxOffset || next_offset < dir_size+2)
return null;
var encoding = Encodings.cp932.WithFatalFallback();
byte[] name_raw = new byte[12];
int count = dir_size / 0x10 - 1;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
file.View.Read (dir_offset, name_raw, 0, 12);
int name_length = name_raw.Length;
while (name_length > 0 && 0 == name_raw[name_length-1])
--name_length;
if (0 == name_length)
return null;
uint offset = next_offset;
dir_offset += 0x10;
next_offset = file.View.ReadUInt32 (dir_offset+12);
if (next_offset > file.MaxOffset || next_offset < offset)
return null;
string name = encoding.GetString (name_raw, 0, name_length).ToLowerInvariant();
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = offset;
entry.Size = next_offset - offset;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (0);
if (count <= 0 || count > 0xfffff)
return null;
long index_offset = 4;
uint index_size = (uint)(0xc * count);
if (index_size > file.View.Reserve (index_offset, index_size))
return null;
var dir = new List<Entry>();
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Offset = file.View.ReadUInt32 (index_offset+4),
Size = file.View.ReadUInt32 (index_offset+8)
};
if (entry.Offset < index_size || !entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 12;
}
byte[] name_buf = new byte[260];
foreach (var entry in dir)
{
uint max_len = Math.Min (260u, file.View.Reserve (index_offset, 260));
uint n;
for (n = 0; n < max_len; ++n)
{
byte b = file.View.ReadByte (index_offset+n);
if (0 == b)
break;
name_buf[n] = b;
}
if (0 == n || max_len == n)
return null;
entry.Name = Encodings.cp932.GetString (name_buf, 0, (int)n);
entry.Type = FormatCatalog.Instance.GetTypeFromName (entry.Name);
index_offset += n+1;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
var first_offset = file.View.ReadUInt32 (8);
if (first_offset <= 0x14 || first_offset >= file.MaxOffset || first_offset > int.MaxValue)
return null;
int index_size = (int)(first_offset - 4);
var count = index_size / 0x10;
if (count * 0x10 != index_size)
return null;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
uint index_offset = 4;
uint last_offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var offset = file.View.ReadUInt32 (index_offset+4);
if (0 == offset)
break;
if (offset <= last_offset)
return null;
string name = string.Format ("{0}#{1:D4}", base_name, i);
var entry = new AutoEntry (name, () => {
uint signature = file.View.ReadUInt32 (offset);
if (0 == signature) return null;
return FormatCatalog.Instance.LookupSignature (signature).FirstOrDefault();
});
entry.Offset = offset;
entry.Size = file.View.ReadUInt32 (index_offset);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
last_offset = offset;
index_offset += 0x10;
}
if (0 == dir.Count)
return null;
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (file.View.ReadUInt16 (4) != '7')
return null;
string base_name = Path.GetFileNameWithoutExtension (file.Name);
uint offset = 0xC;
var dir = new List<Entry>();
uint size = file.View.ReadUInt32 (offset);
offset += 4;
var entry = new Entry {
Name = string.Format ("{0}#0.dat", base_name),
Offset = offset,
Size = size,
};
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
offset += size;
int n = 1;
while (offset < file.MaxOffset)
{
size = file.View.ReadUInt32 (offset);
if (0 == size)
break;
offset += 4;
entry = new Entry {
Name = string.Format ("{0}#{1}", base_name, n++),
Type = "image",
Offset = offset,
Size = size,
};
if (!entry.CheckPlacement (file.MaxOffset))
break;
DetectFileType (file, entry);
dir.Add (entry);
offset += size;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.EndsWith (".vol", StringComparison.InvariantCultureIgnoreCase))
return null;
uint first_offset = file.View.ReadUInt32 (0);
if (first_offset < 0x10 || 0 != (first_offset & 0xF) || first_offset >= file.MaxOffset)
return null;
int count = (int)(first_offset /4);
if (!IsSaneCount (count))
return null;
var offset_table = new List<uint> (count);
offset_table.Add (first_offset);
uint index_offset = 4;
for (int i = 1; i < count; ++i)
{
uint offset = file.View.ReadUInt32 (index_offset);
if (offset < offset_table[i-1] || offset > file.MaxOffset)
return null;
offset_table.Add (offset);
if (offset == file.MaxOffset)
break;
index_offset += 4;
}
var base_name = Path.GetFileNameWithoutExtension (file.Name);
var dir = new List<Entry> (offset_table.Count-1);
for (int i = 0; i < offset_table.Count-1; ++i)
{
uint size = offset_table[i+1] - offset_table[i];
if (0 == size)
continue;
var name = string.Format ("{0}#{1:D4}", base_name, i);
var entry = AutoEntry.Create (file, offset_table[i], name);
entry.Size = size;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen (ArcView file)
{
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count) || count * 10 >= file.MaxOffset)
return null;
uint index_offset = 4;
byte[] name_buffer = new byte[0x100];
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
byte name_length = file.View.ReadByte (index_offset++);
if (0 == name_length)
return null;
if (name_length != file.View.Read (index_offset, name_buffer, 0, name_length))
return null;
index_offset += name_length;
byte key = (byte)(name_length+1);
for (int j = 0; j < name_length; ++j)
{
name_buffer[j] -= key--;
if (name_buffer[j] < 0x20)
return null;
}
string name = Encodings.cp932.GetString (name_buffer, 0, name_length);
var entry = FormatCatalog.Instance.Create<PackedEntry> (name);
entry.Offset = Binary.BigEndian (file.View.ReadUInt32 (index_offset));
entry.Size = Binary.BigEndian (file.View.ReadUInt32 (index_offset+4));
index_offset += 8;
if (entry.Offset < index_offset || !entry.CheckPlacement (file.MaxOffset))
return null;
if (name.EndsWith (".scr", StringComparison.InvariantCultureIgnoreCase))
entry.IsPacked = true;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual (4, "ARCHIVED"))
return null;
int count = file.View.ReadInt16 (0x0c);
if (count <= 0)
return null;
file.View.Reserve (0x10, (uint)count*0x20u);
int index_offset = 0x10;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = file.View.ReadString (index_offset, 0x0c);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = file.View.ReadUInt32 (index_offset+0x10);
entry.Size = file.View.ReadUInt32 (index_offset+0x14);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x20;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
if ('c' != file.View.ReadInt16 (4))
return null;
int version = file.View.ReadInt16 (8);
if (version < 1 || version > 3)
return null;
int count = file.View.ReadInt16 (0xA);
if (!IsSaneCount (count))
return null;
uint index_offset = file.View.ReadUInt32 (0xC);
if (index_offset >= file.MaxOffset)
return null;
var reader = new IndexReader (file);
List<Entry> dir = null;
if (version > 1)
dir = reader.ReadV2 (count, index_offset);
if (null == dir)
dir = reader.ReadV1 (count, index_offset);
if (null == dir)
return null;
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count))
return null;
uint index_size = (uint)count * 0x20;
if (index_size > file.View.Reserve (4, (uint)index_size))
return null;
int first_offset = file.View.ReadInt32 (0x1C);
byte key = (byte)count;
first_offset ^= key | key << 8 | key << 16 | key << 24;
if (first_offset != 0)
return null;
var index = new byte[index_size];
file.View.Read (4, index, 0, index_size);
for (int i = 0; i < index.Length; ++i)
index[i] ^= key;
long base_offset = 4 + index_size;
int index_offset = 0;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var name = Binary.GetCString (index, index_offset, 0x18);
var entry = FormatCatalog.Instance.Create<Entry> (name);
entry.Offset = base_offset + LittleEndian.ToUInt32 (index, index_offset+0x18);
entry.Size = LittleEndian.ToUInt32 (index, index_offset+0x1C);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
index_offset += 0x20;
}
return new ArcFile (file, this, dir);
}
public override ArcFile TryOpen(ArcView file)
{
string index_name = Path.ChangeExtension (file.Name, ".dll");
if (index_name == file.Name || !VFS.FileExists (index_name))
return null;
var index_entry = VFS.FindFile (index_name);
if (index_entry.Size < 12)
return null;
int count = file.View.ReadInt32 (0);
if (!IsSaneCount (count) || (count & 0xFFFF) == 0x5A4D) // 'MZ'
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
using (var idx = VFS.OpenView (index_entry))
{
var dir = new List<Entry> (count);
uint index_offset = 4;
int i = 0;
uint last_offset = 3;
while (index_offset+8 <= idx.MaxOffset)
{
uint offset = idx.View.ReadUInt32 (index_offset);
if (offset <= last_offset)
return null;
var name = string.Format ("{0}#{1:D5}", base_name, i++);
var entry = AutoEntry.Create (file, offset, name);
entry.Size = idx.View.ReadUInt32(index_offset+4);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
last_offset = offset;
index_offset += 8;
}
return new ArcFile (file, this, dir);
}
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0);
if (!IsSaneCount(count))
{
return(null);
}
uint index_size = (uint)count * 12;
uint name_index_size = file.View.ReadUInt32(4);
if (8L + index_size + name_index_size >= file.MaxOffset)
{
return(null);
}
uint index_offset = 8;
file.View.Reserve(index_offset, index_size + name_index_size);
uint names_base = index_offset + index_size;
var dir = new List <Entry> (count);
string entry_type = null;
string arc_name = Path.GetFileNameWithoutExtension(file.Name).ToLowerInvariant();
if ("voice" == arc_name || "bgm" == arc_name)
{
entry_type = "audio";
}
for (int i = 0; i < count; ++i)
{
uint filename_offset = file.View.ReadUInt32(index_offset);
if (filename_offset >= name_index_size)
{
return(null);
}
var name = file.View.ReadString(names_base + filename_offset, name_index_size - filename_offset);
if (0 == name.Length)
{
return(null);
}
var entry = new Entry {
Name = name,
Offset = file.View.ReadUInt32(index_offset + 4),
Size = file.View.ReadUInt32(index_offset + 8),
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
if (entry_type != null)
{
entry.Type = entry_type;
}
dir.Add(entry);
index_offset += 12;
}
if (null == entry_type)
{
foreach (var entry in dir)
{
var signature = file.View.ReadUInt32(entry.Offset);
if (0 == signature)
{
continue;
}
var res = FormatCatalog.Instance.LookupSignature(signature).FirstOrDefault();
if (null == res)
{
continue;
}
entry.Type = res.Type;
var ext = res.Extensions.FirstOrDefault();
if (!string.IsNullOrEmpty(ext))
{
entry.Name += '.' + ext;
}
}
}
return(new ArcFile(file, this, dir));
}
public override ArcFile TryOpen(ArcView file)
{
int count = file.View.ReadInt32(0x14);
if (!IsSaneCount(count))
{
return(null);
}
long index_offset = 0x2A;
if (!file.View.AsciiEqual(index_offset, "NAME"))
{
return(null);
}
var addr_offset = file.View.ReadInt64(index_offset + 4);
index_offset += 0xE;
if (!file.View.AsciiEqual(index_offset, "NIDX"))
{
return(null);
}
index_offset += 4;
var nidx_offsets = new uint[count]; // name offsets
for (int i = 0; i < count; ++i)
{
nidx_offsets[i] = file.View.ReadUInt32(index_offset + 2);
index_offset += 8;
}
if (!file.View.AsciiEqual(index_offset, "EIDX"))
{
return(null);
}
index_offset += 4 + 8 * count;
if (!file.View.AsciiEqual(index_offset, "CINF"))
{
return(null);
}
index_offset += 4;
var name_buffer = new byte[0x40];
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
index_offset += 6;
ushort name_length = file.View.ReadUInt16(index_offset);
if (name_length > name_buffer.Length)
{
name_buffer = new byte[name_length];
}
file.View.Read(index_offset + 4, name_buffer, 0, name_length);
index_offset += 6 + name_length;
var name = DecryptName(name_buffer, name_length);
var entry = FormatCatalog.Instance.Create <Entry> (name);
dir.Add(entry);
}
index_offset = addr_offset;
if (!file.View.AsciiEqual(index_offset, "ADDR"))
{
return(null);
}
index_offset += 4;
for (int i = 0; i < count; ++i)
{
dir[i].Offset = file.View.ReadInt64(index_offset + 2);
index_offset += 12;
}
foreach (var entry in dir)
{
if (!file.View.AsciiEqual(entry.Offset, "FILE"))
{
continue;
}
entry.Size = file.View.ReadUInt32(entry.Offset + 0x18);
entry.Offset += 0x22;
}
dir = dir.Where(entry => entry.Size != 0).ToList();
if (0 == dir.Count)
{
return(null);
}
return(new ArcFile(file, this, dir));
}
public NitroPak(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, int version)
: base(arc, impl, dir)
{
Version = version;
}
public DatIndexReader(byte[] toc, ArcView file) : base(toc, file)
{
}
public IndexReader(ArcView file)
{
m_file = file;
}
public LibPReader(ArcView file, IMalieDecryptor decryptor, byte[] header, LibScheme scheme)
: base(file, decryptor, header)
{
m_base_offset = 0;
m_scheme = scheme;
}
public override ArcFile TryOpen(ArcView file)
{
int version = file.View.ReadByte(3) - 0x30;
int count = file.View.ReadInt32(4);
if (!IsSaneCount(count))
{
return(null);
}
var name_buf = new byte[32];
var dir = new List <Entry> (count);
long index_offset = 8;
uint next_offset = file.View.ReadUInt32(index_offset);
for (int i = 0; i < count; ++i)
{
uint offset = next_offset;
uint size = file.View.ReadUInt32(index_offset + 4);
int name_length = file.View.ReadByte(index_offset + 8);
if (name_length > name_buf.Length)
{
name_buf = new byte[name_length];
}
file.View.Read(index_offset + 9, name_buf, 0, (uint)name_length);
if (i + 1 == count)
{
next_offset = (uint)file.MaxOffset;
}
else
{
next_offset = file.View.ReadUInt32(index_offset + 9 + name_length);
}
if (0 != offset && offset != file.MaxOffset)
{
if (2 == version)
{
for (int j = 0; j < name_length; ++j)
{
name_buf[j] ^= 0xff;
}
}
uint packed_size;
if (0 == next_offset)
{
packed_size = size;
}
else if (next_offset >= offset)
{
packed_size = next_offset - offset;
}
else
{
return(null);
}
string name = Encodings.cp932.GetString(name_buf, 0, name_length);
var entry = new PackedEntry
{
Name = name,
Type = FormatCatalog.Instance.GetTypeFromName(name),
Offset = offset,
Size = packed_size,
UnpackedSize = size,
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
index_offset += 9 + name_length;
}
if (2 == version)
{
return(new AstArchive(file, this, dir));
}
else
{
return(new ArcFile(file, this, dir));
}
}
public ResourcesAssetsDeserializer(ArcView file)
{
m_res_name = file.Name;
}
public UnityResourcesAsset(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, IDictionary <string, ArcView> res_map)
: base(arc, impl, dir)
{
ResourceMap = res_map;
}
public IndexReader(byte[] toc, ArcView file)
{
m_index = new BinMemoryStream(toc);
m_max_offset = file.MaxOffset;
}
public SteinsGateEncryptedStream(ArcView file, long offset, uint size)
{
m_stream = file.CreateStream(offset, size);
m_should_dispose = true;
m_base_pos = 0;
}
public CherryPak(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir)
: base(arc, impl, dir)
{
}
public override ArcFile TryOpen(ArcView file)
{
if (0 != file.View.ReadUInt32 (4) || 0xCCAE01FF != file.View.ReadUInt32 (0xA))
return null;
uint first_offset = file.View.ReadUInt32 (0x12);
int count = (int)(first_offset - 0x12) / 6;
if (!IsSaneCount (count))
return null;
var base_name = Path.GetFileNameWithoutExtension (file.Name);
uint next_offset = first_offset;
uint index_offset = 0x12;
var dir = new List<Entry> (count);
for (int i = 0; i < count; ++i)
{
var entry = new Entry {
Name = string.Format ("{0}#{1:D4}.ogg", base_name, i),
Type = "audio",
Offset = next_offset,
};
index_offset += 6;
next_offset = i+1 == count ? (uint)file.MaxOffset : file.View.ReadUInt32 (index_offset);
entry.Size = (uint)(next_offset - entry.Offset);
if (!entry.CheckPlacement (file.MaxOffset))
return null;
dir.Add (entry);
}
return new ArcFile (file, this, dir);
}
public YpfArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, uint script_key)
: base(arc, impl, dir)
{
ScriptKey = script_key;
}
public AstArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir)
: base(arc, impl, dir)
{
}
public PckArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, byte[] key)
: base(arc, impl, dir)
{
Encryption = new Blowfish(key);
}
public Reader(ArcView file)
{
m_view = file.View;
}
public TocUnpacker(ArcView file, bool should_dispose = false)
{
m_file = file;
m_should_dispose = should_dispose;
}
public MalieArchive(ArcView file, ArchiveFormat format, ICollection <Entry> dir, IMalieDecryptor decr)
: base(file, format, dir)
{
Decryptor = decr;
}
public override ArcFile TryOpen(ArcView file)
{
int format_count = file.View.ReadUInt16(4);
int count = file.View.ReadUInt16(6);
if (0 == format_count || 0 == count)
{
return(null);
}
uint index_offset = 8;
long base_offset = index_offset + format_count * 0x14 + count * 0x18;
if (base_offset >= file.MaxOffset)
{
return(null);
}
var formats = new List <WaveFormat> (format_count);
for (int i = 0; i < format_count; ++i)
{
var format = new WaveFormat
{
FormatTag = file.View.ReadUInt16(index_offset),
Channels = file.View.ReadUInt16(index_offset + 2),
SamplesPerSecond = file.View.ReadUInt32(index_offset + 4),
AverageBytesPerSecond = file.View.ReadUInt32(index_offset + 8),
BitsPerSample = file.View.ReadUInt16(index_offset + 12),
BlockAlign = file.View.ReadUInt16(index_offset + 14),
};
index_offset += 0x14;
formats.Add(format);
}
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
int fmt_index = file.View.ReadUInt16(index_offset);
if (fmt_index > formats.Count)
{
return(null);
}
string name = file.View.ReadString(index_offset + 2, 0x0A);
var entry = new PkwEntry
{
Name = name + ".wav",
Type = "audio",
Offset = base_offset + file.View.ReadInt64(index_offset + 0x10),
Size = file.View.ReadUInt32(index_offset + 0x0C),
IsPacked = true,
Format = formats[fmt_index],
};
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
entry.UnpackedSize = entry.Size + WaveHeaderSize;
dir.Add(entry);
index_offset += 0x18;
}
return(new ArcFile(file, this, dir));
}
public BellArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, AImageScheme scheme)
: base(arc, impl, dir)
{
Scheme = scheme;
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.Name.HasExtension(".dat"))
{
return(null);
}
var arc_name = Path.GetFileName(file.Name);
var match = IndexNameRe.Match(arc_name);
if (!match.Success)
{
return(null);
}
var base_name = match.Groups[2].Value;
base_name = VFS.ChangeFileName(file.Name, base_name);
var index_name = base_name + ".pcg";
if (!VFS.FileExists(index_name))
{
index_name = base_name + ".spf";
if (!VFS.FileExists(index_name))
{
return(null);
}
}
arc_name = match.Groups[1].Value;
using (var index = VFS.OpenView(index_name))
{
int parts_count = index.View.ReadInt32(0);
int count = index.View.ReadInt32(4);
if (parts_count > 10 || !IsSaneCount(count))
{
return(null);
}
int entry_size = (int)(index.MaxOffset - 0x198) / count;
if (entry_size < 0x30)
{
return(null);
}
int first_index = -1, last_index = -1;
for (int i = 0; i < parts_count; ++i)
{
int name_pos = 8 + i * 0x20;
var name = index.View.ReadString(name_pos, 0x20);
if (name == arc_name)
{
int first_index_pos = 0x148 + i * 4;
int last_index_pos = 0x170 + i * 4;
first_index = index.View.ReadInt32(first_index_pos);
last_index = index.View.ReadInt32(last_index_pos);
break;
}
}
if (first_index < 0 || first_index >= last_index || last_index > count)
{
return(null);
}
uint name_size = entry_size >= 0x48 ? 0x40u : 0x20u;
int index_offset = 0x198 + entry_size * first_index;
var dir = new List <Entry> (last_index - first_index);
for (int i = first_index; i < last_index; ++i)
{
var name = index.View.ReadString(index_offset, name_size);
var entry = FormatCatalog.Instance.Create <Entry> (name);
entry.Size = index.View.ReadUInt32(index_offset + name_size);
entry.Offset = index.View.ReadUInt32(index_offset + name_size + 4);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += entry_size;
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
long base_offset = 0;
if (0x5a4d == file.View.ReadUInt16(0)) // 'MZ'
{
base_offset = SkipExeHeader(file);
}
if (!file.View.AsciiEqual(base_offset, SignatureBytes))
{
return(null);
}
long dir_offset = base_offset + file.View.ReadInt64(base_offset + 0x0b);
if (dir_offset < 0x13 || dir_offset >= file.MaxOffset)
{
return(null);
}
if (0x80 == file.View.ReadUInt32(dir_offset))
{
dir_offset = base_offset + file.View.ReadInt64(dir_offset + 9);
if (dir_offset < 0x13 || dir_offset >= file.MaxOffset)
{
return(null);
}
}
int header_type = file.View.ReadByte(dir_offset);
if (0 != header_type && 1 != header_type)
{
return(null);
}
Stream header_stream;
if (0 == header_type) // read unpacked header
{
long header_size = file.View.ReadInt64(dir_offset + 1);
if (header_size > uint.MaxValue)
{
return(null);
}
header_stream = file.CreateStream(dir_offset + 9, (uint)header_size);
}
else // read packed header
{
long packed_size = file.View.ReadInt64(dir_offset + 1);
if (packed_size > uint.MaxValue)
{
return(null);
}
long header_size = file.View.ReadInt64(dir_offset + 9);
using (var input = file.CreateStream(dir_offset + 17, (uint)packed_size))
header_stream = ZLibCompressor.DeCompress(input);
}
var crypt_algorithm = new Lazy <ICrypt> (() => QueryCryptAlgorithm(file), false);
var dir = new List <Entry>();
dir_offset = 0;
using (var header = new BinaryReader(header_stream, Encoding.Unicode))
using (var filename_map = new FilenameMap())
{
while (-1 != header.PeekChar())
{
uint entry_signature = header.ReadUInt32();
long entry_size = header.ReadInt64();
if (entry_size < 0)
{
return(null);
}
dir_offset += 12 + entry_size;
if (0x656C6946 == entry_signature) // "File"
{
var entry = new Xp3Entry();
while (entry_size > 0)
{
uint section = header.ReadUInt32();
long section_size = header.ReadInt64();
entry_size -= 12;
if (section_size > entry_size)
{
break;
}
entry_size -= section_size;
long next_section_pos = header.BaseStream.Position + section_size;
switch (section)
{
case 0x6f666e69: // "info"
if (entry.Size != 0 || !string.IsNullOrEmpty(entry.Name))
{
goto NextEntry; // ambiguous entry, ignore
}
entry.IsEncrypted = 0 != header.ReadUInt32();
long file_size = header.ReadInt64();
long packed_size = header.ReadInt64();
if (file_size >= uint.MaxValue || packed_size > uint.MaxValue || packed_size > file.MaxOffset)
{
goto NextEntry;
}
entry.IsPacked = file_size != packed_size;
entry.Size = (uint)packed_size;
entry.UnpackedSize = (uint)file_size;
int name_size = header.ReadInt16();
if (name_size > 0x100 || name_size <= 0)
{
goto NextEntry;
}
if (entry.IsEncrypted || ForceEncryptionQuery)
{
entry.Cipher = crypt_algorithm.Value;
}
else
{
entry.Cipher = NoCryptAlgorithm;
}
var name = new string (header.ReadChars(name_size));
if (entry.Cipher.ObfuscatedIndex && ObfuscatedPathRe.IsMatch(name))
{
goto NextEntry;
}
if (filename_map.Count > 0)
{
name = filename_map.Get(entry.Hash, name);
}
if (name.Length > 0x100)
{
goto NextEntry;
}
entry.Name = name;
entry.Type = FormatCatalog.Instance.GetTypeFromName(name);
entry.IsEncrypted = !(entry.Cipher is NoCrypt) &&
!(entry.Cipher.StartupTjsNotEncrypted && "startup.tjs" == name);
break;
case 0x6d676573: // "segm"
int segment_count = (int)(section_size / 0x1c);
if (segment_count > 0)
{
for (int i = 0; i < segment_count; ++i)
{
bool compressed = 0 != header.ReadInt32();
long segment_offset = base_offset + header.ReadInt64();
long segment_size = header.ReadInt64();
long segment_packed_size = header.ReadInt64();
if (segment_offset > file.MaxOffset || segment_packed_size > file.MaxOffset)
{
goto NextEntry;
}
var segment = new Xp3Segment {
IsCompressed = compressed,
Offset = segment_offset,
Size = (uint)segment_size,
PackedSize = (uint)segment_packed_size
};
entry.Segments.Add(segment);
}
entry.Offset = entry.Segments.First().Offset;
}
break;
case 0x726c6461: // "adlr"
if (4 == section_size)
{
entry.Hash = header.ReadUInt32();
}
break;
default: // unknown section
break;
}
header.BaseStream.Position = next_section_pos;
}
if (!string.IsNullOrEmpty(entry.Name) && entry.Segments.Any())
{
if (entry.Cipher.ObfuscatedIndex)
{
DeobfuscateEntry(entry);
}
dir.Add(entry);
}
}
else if (entry_size > 7)
{
// 0x6E666E68 == entry_signature // "hnfn"
// 0x6C696D73 == entry_signature // "smil"
// 0x46696C65 == entry_signature // "eliF"
// 0x757A7559 == entry_signature // "Yuzu"
uint hash = header.ReadUInt32();
int name_size = header.ReadInt16();
if (name_size > 0)
{
entry_size -= 6;
if (name_size * 2 <= entry_size)
{
var filename = new string (header.ReadChars(name_size));
filename_map.Add(hash, filename);
}
}
}
NextEntry:
header.BaseStream.Position = dir_offset;
}
}
if (0 == dir.Count)
{
return(null);
}
var arc = new ArcFile(file, this, dir);
try
{
if (crypt_algorithm.IsValueCreated)
{
crypt_algorithm.Value.Init(arc);
}
return(arc);
}
catch
{
arc.Dispose();
throw;
}
}
public ArcIndexReader(byte[] toc, ArcView file, int arc_number, string game_name = null) : base(toc, file)
{
m_arc_number = arc_number;
m_game_name = game_name;
m_ignore_b_files = m_game_name == "ドキドキ母娘レッスン ～教えて♪Ｈなお勉強～";
}
public NpkArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, Aes enc)
: base(arc, impl, dir)
{
Encryption = enc;
}
private List <Entry> OpenPakV3(ArcView file)
{
if (0x110 > file.View.Reserve(4, 0x110))
{
return(null);
}
uint size_xor = file.View.ReadUInt32(0x104);
if (0x64 != size_xor)
{
return(null);
}
byte[] name_buf = file.View.ReadBytes(4, 0x100);
int name_len = 0;
for (int i = 0; i < name_buf.Length; ++i)
{
if (0 == name_buf[i])
{
break;
}
if (name_buf[i] >= 0x80 || name_buf[i] < 0x20)
{
return(null);
}
++name_len;
}
if (0 == name_len || name_len > 0x10)
{
return(null);
}
uint header_key = GetKey(name_buf, name_len);
uint unpacked = file.View.ReadUInt32(0x108) ^ header_key;
int count = (int)(file.View.ReadUInt32(0x10c) ^ header_key);
if (!IsSaneCount(count))
{
return(null);
}
var dir = new List <Entry> (count);
uint header_size = file.View.ReadUInt32(0x110) ^ size_xor;
long base_offset = 0x114 + header_size;
using (var input = file.CreateStream(0x114, header_size))
using (var header_stream = new ZLibStream(input, CompressionMode.Decompress))
using (var header = new BinaryReader(header_stream, Encoding.ASCII, true))
{
for (int i = 0; i < count; ++i)
{
name_len = header.ReadInt32();
if (name_len <= 0 || name_len > name_buf.Length)
{
return(null);
}
if (name_len != header.Read(name_buf, 0, name_len))
{
return(null);
}
uint key = GetKey(name_buf, name_len);
var name = Encodings.cp932.GetString(name_buf, 0, name_len);
var entry = FormatCatalog.Instance.Create <PakEntry> (name);
entry.Offset = (header.ReadUInt32() ^ key) + base_offset;
entry.UnpackedSize = (header.ReadUInt32() ^ key);
uint ignored = (header.ReadUInt32() ^ key);
entry.IsPacked = (header.ReadUInt32() ^ key) != 0;
uint packed_size = (header.ReadUInt32() ^ key);
entry.Key = key;
entry.Size = entry.IsPacked ? packed_size : entry.UnpackedSize;
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(dir);
}
}
public ArchiveFile(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, int offset, byte[] key)
: base(arc, impl, dir)
{
HeaderOffset = offset;
Key = key;
}
protected List <Entry> ReadIndex(ArcView index, int index_offset, int count, long base_offset, ArcView file)
{
uint index_size = (uint)count * 0x18u;
if (index_size > index.View.Reserve(index_offset, index_size))
{
return(null);
}
string arc_name = Path.GetFileNameWithoutExtension(file.Name);
bool is_grp = arc_name.EndsWith("GRP", StringComparison.InvariantCultureIgnoreCase);
var dir = new List <Entry> (count);
for (int i = 0; i < count; ++i)
{
string name = index.View.ReadString(index_offset, 0x10);
if (0 == name.Length)
{
return(null);
}
var offset = base_offset + index.View.ReadUInt32(index_offset + 0x10);
Entry entry;
if (is_grp)
{
entry = new Entry {
Name = Path.ChangeExtension(name, "grp"),
Type = "image",
Offset = offset
};
}
else
{
entry = AutoEntry.Create(file, offset, name);
}
entry.Size = index.View.ReadUInt32(index_offset + 0x14);
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
index_offset += 0x18;
}
return(dir);
}
public NoaArchive(ArcView arc, ArchiveFormat impl, ICollection <Entry> dir, string password = null)
: base(arc, impl, dir)
{
Password = password;
}
public override ArcFile TryOpen(ArcView file)
{
if (!file.View.AsciiEqual(8, "AlicArch"))
{
return(null);
}
if (!file.View.AsciiEqual(0x1C, "INFO"))
{
return(null);
}
int version = file.View.ReadInt32(0x10);
long base_offset = file.View.ReadUInt32(0x18);
uint packed_size = file.View.ReadUInt32(0x20);
int unpacked_size = file.View.ReadInt32(0x24);
int count = file.View.ReadInt32(0x28);
if (!IsSaneCount(count))
{
return(null);
}
var dir = new List <Entry> (count);
var name_buf = new byte[0x40];
using (var input = file.CreateStream(0x2C, packed_size))
using (var zstream = new ZLibStream(input, CompressionMode.Decompress))
using (var index = new BinaryReader(zstream))
{
for (int i = 0; i < count; ++i)
{
int name_length = index.ReadInt32();
int index_step = index.ReadInt32();
if (name_length <= 0 || name_length > index_step || index_step > unpacked_size)
{
return(null);
}
if (index_step > name_buf.Length)
{
name_buf = new byte[index_step];
}
if (index_step != index.Read(name_buf, 0, index_step))
{
return(null);
}
var name = Encodings.cp932.GetString(name_buf, 0, name_length);
var entry = FormatCatalog.Instance.Create <Entry> (name);
index.ReadInt32();
index.ReadInt32();
if (version < 2)
{
index.ReadInt32();
}
entry.Offset = index.ReadUInt32() + base_offset;
entry.Size = index.ReadUInt32();
if (!entry.CheckPlacement(file.MaxOffset))
{
return(null);
}
dir.Add(entry);
}
return(new ArcFile(file, this, dir));
}
}
public override ArcFile TryOpen(ArcView file)
{
var header = file.View.ReadBytes (0, 0x5C);
if (header.Length != 0x5C)
return null;
header = HeaderEncryption.Decrypt (header);
if (!Binary.AsciiEqual (header, "GLibArchiveData2.") || header[0x12] != 0)
return null;
int version = header[0x11] - '0';
if (version != 0 && version != 1)
return null;
uint index_offset = LittleEndian.ToUInt32 (header, 0x54);
uint index_size = LittleEndian.ToUInt32 (header, 0x58);
byte[][] encrypted_index = new byte[2][];
encrypted_index[0] = file.View.ReadBytes (index_offset, index_size);
if (encrypted_index[0].Length != index_size)
return null;
encrypted_index[1] = new byte[index_size];
uint[] keys = {
LittleEndian.ToUInt32 (header, 0x44),
LittleEndian.ToUInt32 (header, 0x34),
LittleEndian.ToUInt32 (header, 0x24),
LittleEndian.ToUInt32 (header, 0x14),
};
int i = 0;
foreach (var key in keys)
{
var decoder = G2MetaScheme.CreateInstance (key);
decoder.Decrypt (encrypted_index[i], encrypted_index[i^1]);
i ^= 1;
}
byte[] index = encrypted_index[i];
if (!Binary.AsciiEqual (index, "CDBD"))
return null;
int count = LittleEndian.ToInt32 (index, 4);
int current_offset = 0x10;
int info_base = current_offset + LittleEndian.ToInt32 (index, 8);
int names_base = current_offset + count * 0x18;
var dir = new List<Entry> (count);
for (i = 0; i < count; ++i)
{
int name_offset = names_base + LittleEndian.ToInt32 (index, current_offset);
int parent_dir = LittleEndian.ToInt32 (index, current_offset+8);
int attr = LittleEndian.ToInt32 (index, current_offset+0xC);
var name = Binary.GetCString (index, name_offset, info_base-name_offset);
if (parent_dir != -1)
name = Path.Combine (dir[parent_dir].Name, name);
var entry = new G2Entry { Name = name };
if (0x100 == attr)
{
int info_offset = info_base + LittleEndian.ToInt32 (index, current_offset+0x10);
entry.Size = LittleEndian.ToUInt32 (index, info_offset+8);
entry.Offset = LittleEndian.ToUInt32 (index, info_offset+0xC);
entry.Type = FormatCatalog.Instance.GetTypeFromName (name);
for (int j = 0; j < 4; ++j)
{
info_offset += 0x10;
entry.Keys[j] = LittleEndian.ToUInt32 (index, info_offset);
}
}
dir.Add (entry);
current_offset += 0x18;
}
return new ArcFile (file, this, dir.Where (e => e.Offset != -1).ToList());
}
public AdvReader(ArcView file)
{
m_file = file;
}