forked from dolphin-emu/dolphin
4c86d218c1
git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@3666 8ced0084-cf51-0410-be5f-012b33b47a6e
380 lines
9.3 KiB
C++
380 lines
9.3 KiB
C++
// Copyright (C) 2003-2009 Dolphin Project.
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, version 2.0.
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License 2.0 for more details.
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// A copy of the GPL 2.0 should have been included with the program.
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// If not, see http://www.gnu.org/licenses/
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// Official SVN repository and contact information can be found at
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// http://code.google.com/p/dolphin-emu/
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#include "stdafx.h"
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#include "NANDContentLoader.h"
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#include <algorithm>
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#include <cctype>
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#include "AES/aes.h"
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#include "MathUtil.h"
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#include "FileUtil.h"
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#include "Log.h"
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#include "WiiWad.h"
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namespace DiscIO
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{
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class CSharedContent
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{
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public:
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static CSharedContent& AccessInstance() { return m_Instance; }
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std::string GetFilenameFromSHA1(u8* _pHash);
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private:
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CSharedContent();
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virtual ~CSharedContent();
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struct SElement
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{
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u8 FileName[8];
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u8 SHA1Hash[20];
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};
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std::vector<SElement> m_Elements;
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static CSharedContent m_Instance;
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};
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CSharedContent CSharedContent::m_Instance;
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CSharedContent::CSharedContent()
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{
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char szFilename[1024];
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sprintf(szFilename, "%sshared1/content.map", FULL_WII_USER_DIR);
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if (File::Exists(szFilename))
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{
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FILE* pFile = fopen(szFilename, "rb");
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while(!feof(pFile))
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{
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SElement Element;
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if (fread(&Element, sizeof(SElement), 1, pFile) == 1)
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{
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m_Elements.push_back(Element);
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}
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}
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}
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}
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CSharedContent::~CSharedContent()
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{}
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std::string CSharedContent::GetFilenameFromSHA1(u8* _pHash)
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{
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for (size_t i=0; i<m_Elements.size(); i++)
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{
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if (memcmp(_pHash, m_Elements[i].SHA1Hash, 20) == 0)
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{
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char szFilename[1024];
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sprintf(szFilename, "%sshared1/%c%c%c%c%c%c%c%c.app", FULL_WII_USER_DIR,
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m_Elements[i].FileName[0], m_Elements[i].FileName[1], m_Elements[i].FileName[2], m_Elements[i].FileName[3],
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m_Elements[i].FileName[4], m_Elements[i].FileName[5], m_Elements[i].FileName[6], m_Elements[i].FileName[7]);
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return szFilename;
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}
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}
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return "unk";
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}
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// this classes must be created by the CNANDContentManager
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class CNANDContentLoader : public INANDContentLoader
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{
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public:
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CNANDContentLoader(const std::string& _rName);
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virtual ~CNANDContentLoader();
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bool IsValid() const { return m_Valid; }
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u64 GetTitleID() const { return m_TitleID; }
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u16 GetIosVersion() const { return m_IosVersion; }
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u32 GetBootIndex() const { return m_BootIndex; }
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size_t GetContentSize() const { return m_Content.size(); }
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const SNANDContent* GetContentByIndex(int _Index) const;
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const u8* GetTicketView() const { return m_TicketView; }
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const u8* GetTmdHeader() const { return m_TmdHeader; }
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const std::vector<SNANDContent>& GetContent() const { return m_Content; }
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const u16 GetTitleVersion() const {return m_TileVersion;}
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const u16 GetNumEntries() const {return m_numEntries;}
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const DiscIO::IVolume::ECountry GetCountry() const;
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private:
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bool m_Valid;
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u64 m_TitleID;
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u16 m_IosVersion;
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u32 m_BootIndex;
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u16 m_numEntries;
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u16 m_TileVersion;
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u8 m_TicketView[TICKET_VIEW_SIZE];
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u8 m_TmdHeader[TMD_HEADER_SIZE];
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std::vector<SNANDContent> m_Content;
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bool CreateFromDirectory(const std::string& _rPath);
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bool CreateFromWAD(const std::string& _rName);
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void AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest);
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void GetKeyFromTicket(u8* pTicket, u8* pTicketKey);
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bool ParseTMD(u8* pDataApp, u32 pDataAppSize, u8* pTicket, u8* pTMD);
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};
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CNANDContentLoader::CNANDContentLoader(const std::string& _rName)
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: m_TitleID(-1)
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, m_BootIndex(-1)
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, m_Valid(false)
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, m_IosVersion(0x09)
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{
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if (File::IsDirectory(_rName.c_str()))
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{
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m_Valid = CreateFromDirectory(_rName);
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}
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else if (File::Exists(_rName.c_str()))
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{
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m_Valid = CreateFromWAD(_rName);
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}
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else
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{
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// _dbg_assert_msg_(BOOT, 0, "CNANDContentLoader loads neither folder nor file");
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}
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}
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CNANDContentLoader::~CNANDContentLoader()
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{
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for (size_t i=0; i<m_Content.size(); i++)
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{
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delete [] m_Content[i].m_pData;
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}
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m_Content.clear();
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}
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const SNANDContent* CNANDContentLoader::GetContentByIndex(int _Index) const
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{
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for (size_t i=0; i<m_Content.size(); i++)
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{
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if (m_Content[i].m_Index == _Index)
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return &m_Content[i];
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}
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return NULL;
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}
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bool CNANDContentLoader::CreateFromWAD(const std::string& _rName)
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{
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WiiWAD Wad(_rName);
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if (!Wad.IsValid())
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return false;
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return ParseTMD(Wad.GetDataApp(), Wad.GetDataAppSize(), Wad.GetTicket(), Wad.GetTMD());
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}
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bool CNANDContentLoader::CreateFromDirectory(const std::string& _rPath)
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{
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std::string TMDFileName(_rPath);
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TMDFileName += "/title.tmd";
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FILE* pTMDFile = fopen(TMDFileName.c_str(), "rb");
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if (pTMDFile == NULL) {
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ERROR_LOG(DISCIO, "CreateFromDirectory: error opening %s",
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TMDFileName.c_str());
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return false;
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}
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u64 Size = File::GetSize(TMDFileName.c_str());
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u8* pTMD = new u8[(u32)Size];
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fread(pTMD, (size_t)Size, 1, pTMDFile);
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fclose(pTMDFile);
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memcpy(m_TicketView, pTMD + 0x180, TICKET_VIEW_SIZE);
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memcpy(m_TmdHeader, pTMD, TMD_HEADER_SIZE);
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//////
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m_TileVersion = Common::swap16(pTMD + 0x01dc);
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m_numEntries = Common::swap16(pTMD + 0x01de);
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m_BootIndex = Common::swap16(pTMD + 0x01e0);
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m_TitleID = Common::swap64(pTMD + 0x018c);
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m_IosVersion = Common::swap16(pTMD + 0x018a);
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m_Content.resize(m_numEntries);
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for (u32 i = 0; i < m_numEntries; i++)
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{
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SNANDContent& rContent = m_Content[i];
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rContent.m_ContentID = Common::swap32(pTMD + 0x01e4 + 0x24*i);
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rContent.m_Index = Common::swap16(pTMD + 0x01e8 + 0x24*i);
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rContent.m_Type = Common::swap16(pTMD + 0x01ea + 0x24*i);
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rContent.m_Size = (u32)Common::swap64(pTMD + 0x01ec + 0x24*i);
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memcpy(rContent.m_SHA1Hash, pTMD + 0x01f4 + 0x24*i, 20);
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memcpy(rContent.m_Header, pTMD + 0x01e4 + 0x24*i, 36);
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rContent.m_pData = NULL;
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char szFilename[1024];
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if (rContent.m_Type & 0x8000) // shared app
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{
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std::string Filename = CSharedContent::AccessInstance().GetFilenameFromSHA1(rContent.m_SHA1Hash);
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strcpy(szFilename, Filename.c_str());
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}
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else
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{
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sprintf(szFilename, "%s/%08x.app", _rPath.c_str(), rContent.m_ContentID);
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}
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INFO_LOG(DISCIO, "NANDContentLoader: load %s", szFilename);
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FILE* pFile = fopen(szFilename, "rb");
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if (pFile != NULL)
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{
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u64 Size = File::GetSize(szFilename);
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rContent.m_pData = new u8[(u32)Size];
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_dbg_assert_msg_(BOOT, rContent.m_Size==Size, "TMDLoader: Filesize doesnt fit (%s %i)... prolly you have a bad dump", szFilename, i);
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fread(rContent.m_pData, (size_t)Size, 1, pFile);
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fclose(pFile);
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}
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else
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{
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PanicAlert("NANDContentLoader: error opening %s", szFilename);
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}
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}
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return true;
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}
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void CNANDContentLoader::AESDecode(u8* _pKey, u8* _IV, u8* _pSrc, u32 _Size, u8* _pDest)
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{
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AES_KEY AESKey;
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AES_set_decrypt_key(_pKey, 128, &AESKey);
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AES_cbc_encrypt(_pSrc, _pDest, _Size, &AESKey, _IV, AES_DECRYPT);
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}
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void CNANDContentLoader::GetKeyFromTicket(u8* pTicket, u8* pTicketKey)
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{
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u8 CommonKey[16] = {0xeb,0xe4,0x2a,0x22,0x5e,0x85,0x93,0xe4,0x48,0xd9,0xc5,0x45,0x73,0x81,0xaa,0xf7};
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u8 IV[16];
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memset(IV, 0, sizeof IV);
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memcpy(IV, pTicket + 0x01dc, 8);
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AESDecode(CommonKey, IV, pTicket + 0x01bf, 16, pTicketKey);
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}
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bool CNANDContentLoader::ParseTMD(u8* pDataApp, u32 pDataAppSize, u8* pTicket, u8* pTMD)
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{
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u8 DecryptTitleKey[16];
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u8 IV[16];
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GetKeyFromTicket(pTicket, DecryptTitleKey);
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memcpy(m_TicketView, pTMD + 0x180, TICKET_VIEW_SIZE);
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memcpy(m_TmdHeader, pTMD, TMD_HEADER_SIZE);
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m_TileVersion = Common::swap16(pTMD + 0x01dc);
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m_numEntries = Common::swap16(pTMD + 0x01de);
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m_BootIndex = Common::swap16(pTMD + 0x01e0);
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m_TitleID = Common::swap64(pTMD + 0x018c);
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m_IosVersion = Common::swap16(pTMD + 0x018a);
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u8* p = pDataApp;
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m_Content.resize(m_numEntries);
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for (u32 i=0; i<m_numEntries; i++)
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{
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SNANDContent& rContent = m_Content[i];
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rContent.m_ContentID = Common::swap32(pTMD + 0x01e4 + 0x24*i);
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rContent.m_Index = Common::swap16(pTMD + 0x01e8 + 0x24*i);
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rContent.m_Type = Common::swap16(pTMD + 0x01ea + 0x24*i);
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rContent.m_Size= (u32)Common::swap64(pTMD + 0x01ec + 0x24*i);
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memcpy(rContent.m_SHA1Hash, pTMD + 0x01f4 + 0x24*i, 20);
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memcpy(rContent.m_Header, pTMD + 0x01e4 + 0x24*i, 36);
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u32 RoundedSize = ROUND_UP(rContent.m_Size, 0x40);
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rContent.m_pData = new u8[RoundedSize];
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memset(IV, 0, sizeof IV);
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memcpy(IV, pTMD + 0x01e8 + 0x24*i, 2);
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AESDecode(DecryptTitleKey, IV, p, RoundedSize, rContent.m_pData);
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p += RoundedSize;
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}
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return true;
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}
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const DiscIO::IVolume::ECountry CNANDContentLoader::GetCountry() const
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{
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if (!IsValid())
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return DiscIO::IVolume::COUNTRY_UNKNOWN;
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u64 TitleID = GetTitleID();
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char* pTitleID = (char*)&TitleID;
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return CountrySwitch((u8)pTitleID[0]);
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}
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CNANDContentManager CNANDContentManager::m_Instance;
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CNANDContentManager::~CNANDContentManager()
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{
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CNANDContentMap::iterator itr = m_Map.begin();
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while (itr != m_Map.end())
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{
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delete itr->second;
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itr++;
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}
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m_Map.clear();
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}
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const INANDContentLoader& CNANDContentManager::GetNANDLoader(const std::string& _rName)
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{
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std::string KeyString(_rName);
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std::transform(KeyString.begin(), KeyString.end(), KeyString.begin(),
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(int(*)(int)) toupper);
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CNANDContentMap::iterator itr = m_Map.find(KeyString);
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if (itr != m_Map.end())
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return *itr->second;
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m_Map[KeyString] = new CNANDContentLoader(KeyString);
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return *m_Map[KeyString];
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}
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} // namespace end
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