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dolphin/Source/Core/DiscIO/NANDContentLoader.cpp

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// Copyright 2013 Dolphin Emulator Project
// Licensed under GPLv2
// Refer to the license.txt file included.
#include <cstddef>
#include <cstdio>
#include <cstring>
#include <functional>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include <polarssl/aes.h>
#include "Common/Common.h"
#include "Common/FileUtil.h"
#include "Common/Log.h"
#include "Common/MathUtil.h"
#include "Common/NandPaths.h"
#include "Common/StringUtil.h"
#include "DiscIO/NANDContentLoader.h"
#include "DiscIO/Volume.h"
#include "DiscIO/WiiWad.h"
namespace DiscIO
{
CSharedContent CSharedContent::m_Instance;
cUIDsys cUIDsys::m_Instance;
CSharedContent::CSharedContent()
{
UpdateLocation();
}
void CSharedContent::UpdateLocation()
{
m_Elements.clear();
lastID = 0;
sprintf(contentMap, "%sshared1/content.map", File::GetUserPath(D_WIIUSER_IDX).c_str());
File::IOFile pFile(contentMap, "rb");
SElement Element;
while (pFile.ReadArray(&Element, 1))
{
m_Elements.push_back(Element);
lastID++;
}
}
CSharedContent::~CSharedContent()
{}
std::string CSharedContent::GetFilenameFromSHA1(const u8* _pHash)
{
for (auto& Element : m_Elements)
{
if (memcmp(_pHash, Element.SHA1Hash, 20) == 0)
{
char szFilename[1024];
sprintf(szFilename, "%sshared1/%c%c%c%c%c%c%c%c.app", File::GetUserPath(D_WIIUSER_IDX).c_str(),
Element.FileName[0], Element.FileName[1], Element.FileName[2], Element.FileName[3],
Element.FileName[4], Element.FileName[5], Element.FileName[6], Element.FileName[7]);
return szFilename;
}
}
return "unk";
}
std::string CSharedContent::AddSharedContent(const 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::IOFile pFile(contentMap, "ab");
pFile.WriteArray(&Element, 1);
sprintf(tempFilename, "%sshared1/%s.app", File::GetUserPath(D_WIIUSER_IDX).c_str(), 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 override { return m_Valid; }
void RemoveTitle(void) const override;
u64 GetTitleID() const override { return m_TitleID; }
u16 GetIosVersion() const override { return m_IosVersion; }
u32 GetBootIndex() const override { return m_BootIndex; }
size_t GetContentSize() const override { return m_Content.size(); }
const SNANDContent* GetContentByIndex(int _Index) const override;
const u8* GetTMDView() const override { return m_TMDView; }
const u8* GetTMDHeader() const override { return m_TMDHeader; }
u32 GetTIKSize() const override { return m_TIKSize; }
const u8* GetTIK() const override { return m_TIK; }
const std::vector<SNANDContent>& GetContent() const override { return m_Content; }
u16 GetTitleVersion() const override {return m_TitleVersion;}
u16 GetNumEntries() const override {return m_numEntries;}
DiscIO::IVolume::ECountry GetCountry() const override;
u8 GetCountryChar() const override {return m_Country; }
private:
bool m_Valid;
bool m_isWAD;
std::string m_Path;
u64 m_TitleID;
u16 m_IosVersion;
u32 m_BootIndex;
u16 m_numEntries;
u16 m_TitleVersion;
u8 m_TMDView[TMD_VIEW_SIZE];
u8 m_TMDHeader[TMD_HEADER_SIZE];
u32 m_TIKSize;
u8 *m_TIK;
u8 m_Country;
std::vector<SNANDContent> m_Content;
bool Initialize(const std::string& _rName);
void AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest);
void GetKeyFromTicket(u8* pTicket, u8* pTicketKey);
};
CNANDContentLoader::CNANDContentLoader(const std::string& _rName)
: m_Valid(false)
, m_isWAD(false)
, m_TitleID(-1)
, m_IosVersion(0x09)
, m_BootIndex(-1)
, m_TIKSize(0)
, m_TIK(nullptr)
{
m_Valid = Initialize(_rName);
}
CNANDContentLoader::~CNANDContentLoader()
{
for (auto& content : m_Content)
{
delete [] content.m_pData;
}
m_Content.clear();
if (m_TIK)
{
delete []m_TIK;
m_TIK = nullptr;
}
}
const SNANDContent* CNANDContentLoader::GetContentByIndex(int _Index) const
{
for (auto& Content : m_Content)
{
if (Content.m_Index == _Index)
{
return &Content;
}
}
return nullptr;
}
bool CNANDContentLoader::Initialize(const std::string& _rName)
{
if (_rName.empty())
return false;
m_Path = _rName;
WiiWAD Wad(_rName);
u8* pDataApp = nullptr;
u8* pTMD = nullptr;
u8 DecryptTitleKey[16];
u8 IV[16];
if (Wad.IsValid())
{
m_isWAD = true;
m_TIKSize = Wad.GetTicketSize();
m_TIK = new u8[m_TIKSize];
memcpy(m_TIK, Wad.GetTicket(), m_TIKSize);
GetKeyFromTicket(m_TIK, DecryptTitleKey);
u32 pTMDSize = Wad.GetTMDSize();
pTMD = new u8[pTMDSize];
memcpy(pTMD, Wad.GetTMD(), pTMDSize);
pDataApp = Wad.GetDataApp();
}
else
{
std::string TMDFileName(m_Path);
if ('/' == *TMDFileName.rbegin())
TMDFileName += "title.tmd";
else
m_Path = TMDFileName.substr(0, TMDFileName.find("title.tmd"));
File::IOFile pTMDFile(TMDFileName, "rb");
if (!pTMDFile)
{
WARN_LOG(DISCIO, "CreateFromDirectory: error opening %s",
TMDFileName.c_str());
return false;
}
u32 pTMDSize = (u32)File::GetSize(TMDFileName);
pTMD = new u8[pTMDSize];
pTMDFile.ReadBytes(pTMD, (size_t)pTMDSize);
pTMDFile.Close();
}
memcpy(m_TMDView, pTMD + 0x180, TMD_VIEW_SIZE);
memcpy(m_TMDHeader, pTMD, TMD_HEADER_SIZE);
m_TitleVersion = 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 = GetSysMenuRegion(m_TitleVersion);
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);
if (m_isWAD)
{
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, pDataApp, RoundedSize, rContent.m_pData);
pDataApp += RoundedSize;
continue;
}
rContent.m_pData = nullptr;
if (rContent.m_Type & 0x8000) // shared app
{
rContent.m_Filename = CSharedContent::AccessInstance().GetFilenameFromSHA1(rContent.m_SHA1Hash);
}
else
{
rContent.m_Filename = StringFromFormat("%s/%08x.app", m_Path.c_str(), rContent.m_ContentID);
}
// Be graceful about incorrect tmds.
if (File::Exists(rContent.m_Filename))
{
rContent.m_Size = (u32) File::GetSize(rContent.m_Filename);
}
}
delete [] pTMD;
return true;
}
void CNANDContentLoader::AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest)
{
aes_context AES_ctx;
aes_setkey_dec(&AES_ctx, _pKey, 128);
aes_crypt_cbc(&AES_ctx, AES_DECRYPT, _Size, _IV, _pSrc, _pDest);
}
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);
}
DiscIO::IVolume::ECountry CNANDContentLoader::GetCountry() const
{
if (!IsValid())
return DiscIO::IVolume::COUNTRY_UNKNOWN;
return CountrySwitch(m_Country);
}
CNANDContentManager CNANDContentManager::m_Instance;
CNANDContentManager::~CNANDContentManager()
{
for (auto& entry : m_Map)
{
delete entry.second;
}
m_Map.clear();
}
const INANDContentLoader& CNANDContentManager::GetNANDLoader(const std::string& _rName, bool forceReload)
{
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)));
}
else
{
if (!lb->second->IsValid() || forceReload)
{
delete lb->second;
lb->second = new CNANDContentLoader(_rName);
}
}
return *m_Map[_rName];
}
const INANDContentLoader& CNANDContentManager::GetNANDLoader(u64 _titleId, bool forceReload)
{
std::string _rName = Common::GetTitleContentPath(_titleId);
return GetNANDLoader(_rName, forceReload);
}
bool CNANDContentManager::RemoveTitle(u64 _titleID)
{
if (!GetNANDLoader(_titleID).IsValid())
return false;
GetNANDLoader(_titleID).RemoveTitle();
return GetNANDLoader(_titleID, true).IsValid();
}
void CNANDContentLoader::RemoveTitle() const
{
INFO_LOG(DISCIO, "RemoveTitle %08x/%08x", (u32)(m_TitleID >> 32), (u32)m_TitleID);
if (IsValid())
{
// remove tmd?
for (u32 i = 0; i < m_numEntries; i++)
{
if (!(m_Content[i].m_Type & 0x8000)) // skip shared apps
{
char szFilename[1024];
sprintf(szFilename, "%s%08x.app", Common::GetTitleContentPath(m_TitleID).c_str(), m_Content[i].m_ContentID);
INFO_LOG(DISCIO, "Delete %s", szFilename);
File::Delete(szFilename);
}
}
}
}
cUIDsys::cUIDsys()
{
UpdateLocation();
}
void cUIDsys::UpdateLocation()
{
m_Elements.clear();
lastUID = 0x00001000;
sprintf(uidSys, "%ssys/uid.sys", File::GetUserPath(D_WIIUSER_IDX).c_str());
File::IOFile pFile(uidSys, "rb");
SElement Element;
while (pFile.ReadArray(&Element, 1))
{
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
m_Elements.push_back(Element);
}
pFile.Close();
if (m_Elements.empty())
{
*(u64*)&(Element.titleID) = Common::swap64(TITLEID_SYSMENU);
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
File::CreateFullPath(uidSys);
pFile.Open(uidSys, "wb");
if (!pFile.WriteArray(&Element, 1))
ERROR_LOG(DISCIO, "Failed to write to %s", uidSys);
}
}
cUIDsys::~cUIDsys()
{}
u32 cUIDsys::GetUIDFromTitle(u64 _Title)
{
for (auto& Element : m_Elements)
{
if (Common::swap64(_Title) == *(u64*)&(Element.titleID))
{
return Common::swap32(Element.UID);
}
}
return 0;
}
void cUIDsys::AddTitle(u64 _TitleID)
{
if (GetUIDFromTitle(_TitleID))
{
INFO_LOG(DISCIO, "Title %08x%08x, already exists in uid.sys", (u32)(_TitleID >> 32), (u32)_TitleID);
return;
}
SElement Element;
*(u64*)&(Element.titleID) = Common::swap64(_TitleID);
*(u32*)&(Element.UID) = Common::swap32(lastUID++);
m_Elements.push_back(Element);
File::CreateFullPath(uidSys);
File::IOFile pFile(uidSys, "ab");
if (!pFile.WriteArray(&Element, 1))
ERROR_LOG(DISCIO, "fwrite failed");
}
void cUIDsys::GetTitleIDs(std::vector<u64>& _TitleIDs, bool _owned)
{
for (auto& Element : m_Elements)
{
if ((_owned && Common::CheckTitleTIK(Common::swap64(Element.titleID))) ||
(!_owned && Common::CheckTitleTMD(Common::swap64(Element.titleID))))
_TitleIDs.push_back(Common::swap64(Element.titleID));
}
}
u64 CNANDContentManager::Install_WiiWAD(std::string &fileName)
{
if (fileName.find(".wad") == std::string::npos)
return 0;
const INANDContentLoader& ContentLoader = GetNANDLoader(fileName);
if (ContentLoader.IsValid() == false)
return 0;
u64 TitleID = ContentLoader.GetTitleID();
//copy WAD's tmd header and contents to content directory
std::string ContentPath(Common::GetTitleContentPath(TitleID));
std::string TMDFileName(Common::GetTMDFileName(TitleID));
File::CreateFullPath(TMDFileName);
File::IOFile pTMDFile(TMDFileName, "wb");
if (!pTMDFile)
{
PanicAlertT("WAD installation failed: error creating %s", TMDFileName.c_str());
return 0;
}
pTMDFile.WriteBytes(ContentLoader.GetTMDHeader(), INANDContentLoader::TMD_HEADER_SIZE);
for (u32 i = 0; i < ContentLoader.GetContentSize(); i++)
{
const SNANDContent& Content = ContentLoader.GetContent()[i];
pTMDFile.WriteBytes(Content.m_Header, INANDContentLoader::CONTENT_HEADER_SIZE);
char APPFileName[1024];
if (Content.m_Type & 0x8000) //shared
{
sprintf(APPFileName, "%s",
CSharedContent::AccessInstance().AddSharedContent(Content.m_SHA1Hash).c_str());
}
else
{
sprintf(APPFileName, "%s%08x.app", ContentPath.c_str(), Content.m_ContentID);
}
if (!File::Exists(APPFileName))
{
File::CreateFullPath(APPFileName);
File::IOFile pAPPFile(APPFileName, "wb");
if (!pAPPFile)
{
PanicAlertT("WAD installation failed: error creating %s", APPFileName);
return 0;
}
pAPPFile.WriteBytes(Content.m_pData, Content.m_Size);
}
else
{
INFO_LOG(DISCIO, "Content %s already exists.", APPFileName);
}
}
pTMDFile.Close();
//Extract and copy WAD's ticket to ticket directory
if (!Add_Ticket(TitleID, ContentLoader.GetTIK(), ContentLoader.GetTIKSize()))
{
PanicAlertT("WAD installation failed: error creating ticket");
return 0;
}
cUIDsys::AccessInstance().AddTitle(TitleID);
return TitleID;
}
bool Add_Ticket(u64 TitleID, const u8 *p_tik, u32 tikSize)
{
std::string TicketFileName = Common::GetTicketFileName(TitleID);
File::CreateFullPath(TicketFileName);
File::IOFile pTicketFile(TicketFileName, "wb");
if (!pTicketFile || !p_tik)
{
//PanicAlertT("WAD installation failed: error creating %s", TicketFileName.c_str());
return false;
}
return pTicketFile.WriteBytes(p_tik, tikSize);
}
} // namespace end
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