dolphin/Source/Core/DiscIO/Src/NANDContentLoader.cpp

472 lines
12 KiB
C++

// Copyright (C) 2003 Dolphin Project.
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, version 2.0.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License 2.0 for more details.
// A copy of the GPL 2.0 should have been included with the program.
// If not, see http://www.gnu.org/licenses/
// Official SVN repository and contact information can be found at
// http://code.google.com/p/dolphin-emu/
#include "stdafx.h"
#include "NANDContentLoader.h"
#include <algorithm>
#include <cctype>
#include "AES/aes.h"
#include "MathUtil.h"
#include "FileUtil.h"
#include "Log.h"
#include "WiiWad.h"
namespace DiscIO
{
CSharedContent CSharedContent::m_Instance;
cUIDsys cUIDsys::m_Instance;
CSharedContent::CSharedContent()
{
lastID = 0;
sprintf(contentMap, "%sshared1/content.map", File::GetUserPath(D_WIIUSER_IDX));
if (File::Exists(contentMap))
{
FILE* pFile = fopen(contentMap, "rb");
while(!feof(pFile))
{
SElement Element;
if (fread(&Element, sizeof(SElement), 1, pFile) == 1)
{
m_Elements.push_back(Element);
lastID++;
}
}
fclose(pFile);
}
}
CSharedContent::~CSharedContent()
{}
std::string CSharedContent::GetFilenameFromSHA1(u8* _pHash)
{
for (size_t i=0; i<m_Elements.size(); i++)
{
if (memcmp(_pHash, m_Elements[i].SHA1Hash, 20) == 0)
{
char szFilename[1024];
sprintf(szFilename, "%sshared1/%c%c%c%c%c%c%c%c.app", File::GetUserPath(D_WIIUSER_IDX),
m_Elements[i].FileName[0], m_Elements[i].FileName[1], m_Elements[i].FileName[2], m_Elements[i].FileName[3],
m_Elements[i].FileName[4], m_Elements[i].FileName[5], m_Elements[i].FileName[6], m_Elements[i].FileName[7]);
return szFilename;
}
}
return "unk";
}
std::string CSharedContent::AddSharedContent(u8* _pHash)
{
std::string szFilename = GetFilenameFromSHA1(_pHash);
if (strcasecmp(szFilename.c_str(), "unk") == 0)
{
char tempFilename[1024], c_ID[9];
SElement Element;
sprintf(c_ID, "%08x", lastID);
memcpy(Element.FileName, c_ID, 8);
memcpy(Element.SHA1Hash, _pHash, 20);
m_Elements.push_back(Element);
File::CreateFullPath(contentMap);
FILE* pFile = fopen(contentMap, "ab");
if (pFile)
{
fwrite(&Element, sizeof(SElement), 1, pFile);
fclose(pFile);
}
sprintf(tempFilename, "%sshared1/%s.app", File::GetUserPath(D_WIIUSER_IDX), c_ID);
szFilename = tempFilename;
lastID++;
}
return szFilename;
}
// this classes must be created by the CNANDContentManager
class CNANDContentLoader : public INANDContentLoader
{
public:
CNANDContentLoader(const std::string& _rName);
virtual ~CNANDContentLoader();
bool IsValid() const { return m_Valid; }
u64 GetTitleID() const { return m_TitleID; }
u16 GetIosVersion() const { return m_IosVersion; }
u32 GetBootIndex() const { return m_BootIndex; }
size_t GetContentSize() const { return m_Content.size(); }
const SNANDContent* GetContentByIndex(int _Index) const;
const u8* GetTicketView() const { return m_TicketView; }
const u8* GetTmdHeader() const { return m_TmdHeader; }
const std::vector<SNANDContent>& GetContent() const { return m_Content; }
u16 GetTitleVersion() const {return m_TileVersion;}
u16 GetNumEntries() const {return m_numEntries;}
DiscIO::IVolume::ECountry GetCountry() const;
u8 GetCountryChar() const {return m_Country; }
private:
bool m_Valid;
u64 m_TitleID;
u16 m_IosVersion;
u32 m_BootIndex;
u16 m_numEntries;
u16 m_TileVersion;
u8 m_TicketView[TICKET_VIEW_SIZE];
u8 m_TmdHeader[TMD_HEADER_SIZE];
u8 m_Country;
std::vector<SNANDContent> m_Content;
bool CreateFromDirectory(const std::string& _rPath);
bool CreateFromWAD(const std::string& _rName);
void AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest);
void GetKeyFromTicket(u8* pTicket, u8* pTicketKey);
bool ParseTMD(u8* pDataApp, u32 pDataAppSize, u8* pTicket, u8* pTMD);
};
CNANDContentLoader::CNANDContentLoader(const std::string& _rName)
: m_Valid(false)
, m_TitleID(-1)
, m_IosVersion(0x09)
, m_BootIndex(-1)
{
if (File::IsDirectory(_rName.c_str()))
{
m_Valid = CreateFromDirectory(_rName);
}
else if (File::Exists(_rName.c_str()))
{
m_Valid = CreateFromWAD(_rName);
}
else
{
// _dbg_assert_msg_(BOOT, 0, "CNANDContentLoader loads neither folder nor file");
}
}
CNANDContentLoader::~CNANDContentLoader()
{
for (size_t i=0; i<m_Content.size(); i++)
{
delete [] m_Content[i].m_pData;
}
m_Content.clear();
}
const SNANDContent* CNANDContentLoader::GetContentByIndex(int _Index) const
{
for (size_t i=0; i<m_Content.size(); i++)
{
if (m_Content[i].m_Index == _Index)
return &m_Content[i];
}
return NULL;
}
bool CNANDContentLoader::CreateFromWAD(const std::string& _rName)
{
WiiWAD Wad(_rName);
if (!Wad.IsValid())
return false;
return ParseTMD(Wad.GetDataApp(), Wad.GetDataAppSize(), Wad.GetTicket(), Wad.GetTMD());
}
bool CNANDContentLoader::CreateFromDirectory(const std::string& _rPath)
{
std::string TMDFileName(_rPath);
TMDFileName += "/title.tmd";
FILE* pTMDFile = fopen(TMDFileName.c_str(), "rb");
if (pTMDFile == NULL) {
ERROR_LOG(DISCIO, "CreateFromDirectory: error opening %s",
TMDFileName.c_str());
return false;
}
u64 Size = File::GetSize(TMDFileName.c_str());
u8* pTMD = new u8[(u32)Size];
fread(pTMD, (size_t)Size, 1, pTMDFile);
fclose(pTMDFile);
memcpy(m_TicketView, pTMD + 0x180, TICKET_VIEW_SIZE);
memcpy(m_TmdHeader, pTMD, TMD_HEADER_SIZE);
m_TileVersion = Common::swap16(pTMD + 0x01dc);
m_numEntries = Common::swap16(pTMD + 0x01de);
m_BootIndex = Common::swap16(pTMD + 0x01e0);
m_TitleID = Common::swap64(pTMD + 0x018c);
m_IosVersion = Common::swap16(pTMD + 0x018a);
m_Country = *(u8*)&m_TitleID;
if (m_Country == 2) // SYSMENU
m_Country = DiscIO::GetSysMenuRegion(m_TileVersion);
m_Content.resize(m_numEntries);
for (u32 i = 0; i < m_numEntries; i++)
{
SNANDContent& rContent = m_Content[i];
rContent.m_ContentID = Common::swap32(pTMD + 0x01e4 + 0x24*i);
rContent.m_Index = Common::swap16(pTMD + 0x01e8 + 0x24*i);
rContent.m_Type = Common::swap16(pTMD + 0x01ea + 0x24*i);
rContent.m_Size = (u32)Common::swap64(pTMD + 0x01ec + 0x24*i);
memcpy(rContent.m_SHA1Hash, pTMD + 0x01f4 + 0x24*i, 20);
memcpy(rContent.m_Header, pTMD + 0x01e4 + 0x24*i, 36);
rContent.m_pData = NULL;
char szFilename[1024];
if (rContent.m_Type & 0x8000) // shared app
{
std::string Filename = CSharedContent::AccessInstance().GetFilenameFromSHA1(rContent.m_SHA1Hash);
strcpy(szFilename, Filename.c_str());
}
else
{
sprintf(szFilename, "%s/%08x.app", _rPath.c_str(), rContent.m_ContentID);
}
INFO_LOG(DISCIO, "NANDContentLoader: load %s", szFilename);
FILE* pFile = fopen(szFilename, "rb");
if (pFile != NULL)
{
u64 ContentSize = File::GetSize(szFilename);
rContent.m_pData = new u8[(u32)ContentSize];
_dbg_assert_msg_(BOOT, rContent.m_Size==ContentSize, "TMDLoader: Filesize doesnt fit (%s %i)... prolly you have a bad dump", szFilename, i);
fread(rContent.m_pData, (size_t)ContentSize, 1, pFile);
fclose(pFile);
}
else
{
ERROR_LOG(DISCIO, "NANDContentLoader: error opening %s", szFilename);
delete [] pTMD;
return false;
}
}
delete [] pTMD;
return true;
}
void CNANDContentLoader::AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest)
{
AES_KEY AESKey;
AES_set_decrypt_key(_pKey, 128, &AESKey);
AES_cbc_encrypt(_pSrc, _pDest, _Size, &AESKey, _IV, AES_DECRYPT);
}
void CNANDContentLoader::GetKeyFromTicket(u8* pTicket, u8* pTicketKey)
{
u8 CommonKey[16] = {0xeb,0xe4,0x2a,0x22,0x5e,0x85,0x93,0xe4,0x48,0xd9,0xc5,0x45,0x73,0x81,0xaa,0xf7};
u8 IV[16];
memset(IV, 0, sizeof IV);
memcpy(IV, pTicket + 0x01dc, 8);
AESDecode(CommonKey, IV, pTicket + 0x01bf, 16, pTicketKey);
}
bool CNANDContentLoader::ParseTMD(u8* pDataApp, u32 pDataAppSize, u8* pTicket, u8* pTMD)
{
u8 DecryptTitleKey[16];
u8 IV[16];
GetKeyFromTicket(pTicket, DecryptTitleKey);
memcpy(m_TicketView, pTMD + 0x180, TICKET_VIEW_SIZE);
memcpy(m_TmdHeader, pTMD, TMD_HEADER_SIZE);
m_TileVersion = Common::swap16(pTMD + 0x01dc);
m_numEntries = Common::swap16(pTMD + 0x01de);
m_BootIndex = Common::swap16(pTMD + 0x01e0);
m_TitleID = Common::swap64(pTMD + 0x018c);
m_IosVersion = Common::swap16(pTMD + 0x018a);
m_Country = *(u8*)&m_TitleID;
if (m_Country == 2) // SYSMENU
m_Country = DiscIO::GetSysMenuRegion(m_TileVersion);
u8* p = pDataApp;
m_Content.resize(m_numEntries);
for (u32 i=0; i<m_numEntries; i++)
{
SNANDContent& rContent = m_Content[i];
rContent.m_ContentID = Common::swap32(pTMD + 0x01e4 + 0x24*i);
rContent.m_Index = Common::swap16(pTMD + 0x01e8 + 0x24*i);
rContent.m_Type = Common::swap16(pTMD + 0x01ea + 0x24*i);
rContent.m_Size= (u32)Common::swap64(pTMD + 0x01ec + 0x24*i);
memcpy(rContent.m_SHA1Hash, pTMD + 0x01f4 + 0x24*i, 20);
memcpy(rContent.m_Header, pTMD + 0x01e4 + 0x24*i, 36);
u32 RoundedSize = ROUND_UP(rContent.m_Size, 0x40);
rContent.m_pData = new u8[RoundedSize];
memset(IV, 0, sizeof IV);
memcpy(IV, pTMD + 0x01e8 + 0x24*i, 2);
AESDecode(DecryptTitleKey, IV, p, RoundedSize, rContent.m_pData);
p += RoundedSize;
}
return true;
}
DiscIO::IVolume::ECountry CNANDContentLoader::GetCountry() const
{
if (!IsValid())
return DiscIO::IVolume::COUNTRY_UNKNOWN;
return CountrySwitch(m_Country);
}
CNANDContentManager CNANDContentManager::m_Instance;
CNANDContentManager::~CNANDContentManager()
{
CNANDContentMap::iterator itr = m_Map.begin();
while (itr != m_Map.end())
{
delete itr->second;
++itr;
}
m_Map.clear();
}
const INANDContentLoader& CNANDContentManager::GetNANDLoader(const std::string& _rName)
{
CNANDContentMap::iterator lb = m_Map.lower_bound(_rName);
if(lb == m_Map.end() || (m_Map.key_comp()(_rName, lb->first)))
m_Map.insert(lb, CNANDContentMap::value_type(_rName, new CNANDContentLoader(_rName)));
return *m_Map[_rName];
}
const INANDContentLoader& CNANDContentManager::GetNANDLoader(u64 _titleId)
{
std::string _rName = Common::CreateTitleContentPath(_titleId);
return GetNANDLoader(_rName);
}
cUIDsys::cUIDsys()
{
sprintf(uidSys, "%ssys/uid.sys", File::GetUserPath(D_WIIUSER_IDX));
lastUID = 0x00001000;
if (File::Exists(uidSys))
{
FILE* pFile = fopen(uidSys, "rb");
while(!feof(pFile))
{
SElement Element;
if (fread(&Element, sizeof(SElement), 1, pFile) == 1)
{
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
m_Elements.push_back(Element);
}
}
fclose(pFile);
}
if(!m_Elements.size())
{
SElement Element;
*(u64*)&(Element.titleID) = Common::swap64(TITLEID_SYSMENU);
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
File::CreateFullPath(uidSys);
FILE* pFile = fopen(uidSys, "wb");
if (pFile)
{
if (fwrite(&Element, sizeof(SElement), 1, pFile) != 1)
ERROR_LOG(DISCIO, "fwrite failed");
fclose(pFile);
}
}
}
cUIDsys::~cUIDsys()
{}
u32 cUIDsys::GetUIDFromTitle(u64 _Title)
{
for (size_t i=0; i<m_Elements.size(); i++)
{
if (Common::swap64(_Title) == *(u64*)&(m_Elements[i].titleID))
{
return Common::swap32(m_Elements[i].UID);
}
}
return 0;
}
bool cUIDsys::AddTitle(u64 _TitleID)
{
if (GetUIDFromTitle(_TitleID))
return false;
else
{
SElement Element;
*(u64*)&(Element.titleID) = Common::swap64(_TitleID);
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
m_Elements.push_back(Element);
File::CreateFullPath(uidSys);
FILE* pFile = fopen(uidSys, "ab");
if (pFile)
{
if (fwrite(&Element, sizeof(SElement), 1, pFile) != 1)
ERROR_LOG(DISCIO, "fwrite failed");
fclose(pFile);
}
return true;
}
}
void cUIDsys::GetTitleIDs(std::vector<u64>& _TitleIDs, bool _owned)
{
for (size_t i = 0; i < m_Elements.size(); i++)
{
if ((_owned && Common::CheckTitleTIK(Common::swap64(m_Elements[i].titleID))) ||
(!_owned && Common::CheckTitleTMD(Common::swap64(m_Elements[i].titleID))))
_TitleIDs.push_back(Common::swap64(m_Elements[i].titleID));
}
}
} // namespace end