145 lines
3.5 KiB
C++
145 lines
3.5 KiB
C++
// Copyright 2009 Dolphin Emulator Project
|
|
// Licensed under GPLv2+
|
|
// Refer to the license.txt file included.
|
|
|
|
|
|
#include <cstddef>
|
|
#include <memory>
|
|
#include <string>
|
|
|
|
#include "Common/CommonTypes.h"
|
|
#include "Common/FileUtil.h"
|
|
#include "Common/MathUtil.h"
|
|
#include "Common/Logging/Log.h"
|
|
#include "DiscIO/Blob.h"
|
|
#include "DiscIO/WiiWad.h"
|
|
|
|
namespace DiscIO
|
|
{
|
|
|
|
class CBlobBigEndianReader
|
|
{
|
|
public:
|
|
CBlobBigEndianReader(DiscIO::IBlobReader& _rReader) : m_rReader(_rReader) {}
|
|
|
|
u32 Read32(u64 _Offset)
|
|
{
|
|
u32 Temp;
|
|
m_rReader.Read(_Offset, 4, (u8*)&Temp);
|
|
return(Common::swap32(Temp));
|
|
}
|
|
|
|
private:
|
|
DiscIO::IBlobReader& m_rReader;
|
|
};
|
|
|
|
WiiWAD::WiiWAD(const std::string& name)
|
|
{
|
|
std::unique_ptr<IBlobReader> reader(DiscIO::CreateBlobReader(name));
|
|
if (reader == nullptr || File::IsDirectory(name))
|
|
{
|
|
m_Valid = false;
|
|
return;
|
|
}
|
|
|
|
m_Valid = ParseWAD(*reader);
|
|
}
|
|
|
|
WiiWAD::~WiiWAD()
|
|
{
|
|
if (m_Valid)
|
|
{
|
|
delete[] m_pCertificateChain;
|
|
delete[] m_pTicket;
|
|
delete[] m_pTMD;
|
|
delete[] m_pDataApp;
|
|
delete[] m_pFooter;
|
|
}
|
|
}
|
|
|
|
u8* WiiWAD::CreateWADEntry(DiscIO::IBlobReader& _rReader, u32 _Size, u64 _Offset)
|
|
{
|
|
if (_Size > 0)
|
|
{
|
|
u8* pTmpBuffer = new u8[_Size];
|
|
_dbg_assert_msg_(BOOT, pTmpBuffer!=nullptr, "WiiWAD: Can't allocate memory for WAD entry");
|
|
|
|
if (!_rReader.Read(_Offset, _Size, pTmpBuffer))
|
|
{
|
|
ERROR_LOG(DISCIO, "WiiWAD: Could not read from file");
|
|
PanicAlertT("WiiWAD: Could not read from file");
|
|
}
|
|
return pTmpBuffer;
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
bool WiiWAD::ParseWAD(DiscIO::IBlobReader& _rReader)
|
|
{
|
|
CBlobBigEndianReader ReaderBig(_rReader);
|
|
|
|
// get header size
|
|
u32 HeaderSize = ReaderBig.Read32(0);
|
|
if (HeaderSize != 0x20)
|
|
{
|
|
_dbg_assert_msg_(BOOT, (HeaderSize==0x20), "WiiWAD: Header size != 0x20");
|
|
return false;
|
|
}
|
|
|
|
// get header
|
|
u8 Header[0x20];
|
|
_rReader.Read(0, HeaderSize, Header);
|
|
u32 HeaderType = ReaderBig.Read32(0x4);
|
|
if ((0x49730000 != HeaderType) && (0x69620000 != HeaderType))
|
|
return false;
|
|
|
|
m_CertificateChainSize = ReaderBig.Read32(0x8);
|
|
u32 Reserved = ReaderBig.Read32(0xC);
|
|
m_TicketSize = ReaderBig.Read32(0x10);
|
|
m_TMDSize = ReaderBig.Read32(0x14);
|
|
m_DataAppSize = ReaderBig.Read32(0x18);
|
|
m_FooterSize = ReaderBig.Read32(0x1C);
|
|
|
|
if (MAX_LOGLEVEL >= LogTypes::LOG_LEVELS::LDEBUG)
|
|
_dbg_assert_msg_(BOOT, Reserved==0x00, "WiiWAD: Reserved must be 0x00");
|
|
|
|
u32 Offset = 0x40;
|
|
m_pCertificateChain = CreateWADEntry(_rReader, m_CertificateChainSize, Offset); Offset += ROUND_UP(m_CertificateChainSize, 0x40);
|
|
m_pTicket = CreateWADEntry(_rReader, m_TicketSize, Offset); Offset += ROUND_UP(m_TicketSize, 0x40);
|
|
m_pTMD = CreateWADEntry(_rReader, m_TMDSize, Offset); Offset += ROUND_UP(m_TMDSize, 0x40);
|
|
m_pDataApp = CreateWADEntry(_rReader, m_DataAppSize, Offset); Offset += ROUND_UP(m_DataAppSize, 0x40);
|
|
m_pFooter = CreateWADEntry(_rReader, m_FooterSize, Offset); Offset += ROUND_UP(m_FooterSize, 0x40);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool WiiWAD::IsWiiWAD(const std::string& name)
|
|
{
|
|
std::unique_ptr<IBlobReader> blob_reader(DiscIO::CreateBlobReader(name));
|
|
if (blob_reader == nullptr)
|
|
return false;
|
|
|
|
CBlobBigEndianReader big_endian_reader(*blob_reader);
|
|
bool result = false;
|
|
|
|
// check for Wii wad
|
|
if (big_endian_reader.Read32(0x00) == 0x20)
|
|
{
|
|
u32 wad_type = big_endian_reader.Read32(0x04);
|
|
switch (wad_type)
|
|
{
|
|
case 0x49730000:
|
|
case 0x69620000:
|
|
result = true;
|
|
}
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
|
|
} // namespace end
|
|
|