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https://github.com/dolphin-emu/dolphin.git
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NANDContentLoader/WiiWAD: Get rid of raw delete and new
This commit is contained in:
Lioncash
@ -2,6 +2,8 @@
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// Licensed under GPLv2+
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <array>
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#include <cstddef>
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#include <cstdio>
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#include <cstring>
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@ -89,37 +91,25 @@ std::string CSharedContent::AddSharedContent(const u8* _pHash)
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}
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CNANDContentLoader::CNANDContentLoader(const std::string& _rName)
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CNANDContentLoader::CNANDContentLoader(const std::string& name)
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: m_Valid(false)
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, m_isWAD(false)
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, m_TitleID(-1)
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, m_IosVersion(0x09)
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, m_BootIndex(-1)
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, m_TIKSize(0)
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, m_TIK(nullptr)
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{
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m_Valid = Initialize(_rName);
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m_Valid = Initialize(name);
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}
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CNANDContentLoader::~CNANDContentLoader()
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{
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for (auto& content : m_Content)
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{
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delete [] content.m_pData;
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}
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m_Content.clear();
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if (m_TIK)
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{
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delete []m_TIK;
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m_TIK = nullptr;
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}
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}
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const SNANDContent* CNANDContentLoader::GetContentByIndex(int _Index) const
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const SNANDContent* CNANDContentLoader::GetContentByIndex(int index) const
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{
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for (auto& Content : m_Content)
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{
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if (Content.m_Index == _Index)
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if (Content.m_Index == index)
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{
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return &Content;
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}
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@ -127,119 +117,124 @@ const SNANDContent* CNANDContentLoader::GetContentByIndex(int _Index) const
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return nullptr;
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}
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bool CNANDContentLoader::Initialize(const std::string& _rName)
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bool CNANDContentLoader::Initialize(const std::string& name)
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{
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if (_rName.empty())
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if (name.empty())
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return false;
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m_Path = _rName;
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WiiWAD Wad(_rName);
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u8* pDataApp = nullptr;
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u8* pTMD = nullptr;
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u8 DecryptTitleKey[16];
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u8 IV[16];
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if (Wad.IsValid())
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m_Path = name;
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WiiWAD wad(name);
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std::vector<u8> data_app;
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std::vector<u8> tmd;
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std::vector<u8> decrypted_title_key;
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if (wad.IsValid())
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{
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m_isWAD = true;
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m_TIKSize = Wad.GetTicketSize();
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m_TIK = new u8[m_TIKSize];
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memcpy(m_TIK, Wad.GetTicket(), m_TIKSize);
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GetKeyFromTicket(m_TIK, DecryptTitleKey);
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u32 pTMDSize = Wad.GetTMDSize();
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pTMD = new u8[pTMDSize];
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memcpy(pTMD, Wad.GetTMD(), pTMDSize);
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pDataApp = Wad.GetDataApp();
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m_ticket = wad.GetTicket();
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decrypted_title_key = GetKeyFromTicket(m_ticket);
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tmd = wad.GetTMD();
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data_app = wad.GetDataApp();
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}
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else
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{
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std::string TMDFileName(m_Path);
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std::string tmd_filename(m_Path);
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if (TMDFileName.back() == '/')
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TMDFileName += "title.tmd";
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if (tmd_filename.back() == '/')
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tmd_filename += "title.tmd";
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else
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m_Path = TMDFileName.substr(0, TMDFileName.find("title.tmd"));
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m_Path = tmd_filename.substr(0, tmd_filename.find("title.tmd"));
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File::IOFile pTMDFile(TMDFileName, "rb");
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if (!pTMDFile)
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File::IOFile tmd_file(tmd_filename, "rb");
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if (!tmd_file)
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{
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WARN_LOG(DISCIO, "CreateFromDirectory: error opening %s", TMDFileName.c_str());
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WARN_LOG(DISCIO, "CreateFromDirectory: error opening %s", tmd_filename.c_str());
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return false;
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}
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u32 pTMDSize = (u32)File::GetSize(TMDFileName);
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pTMD = new u8[pTMDSize];
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pTMDFile.ReadBytes(pTMD, (size_t)pTMDSize);
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pTMDFile.Close();
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tmd.resize(static_cast<size_t>(File::GetSize(tmd_filename)));
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tmd_file.ReadBytes(tmd.data(), tmd.size());
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}
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memcpy(m_TMDView, pTMD + 0x180, TMD_VIEW_SIZE);
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memcpy(m_TMDHeader, pTMD, TMD_HEADER_SIZE);
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std::copy(&tmd[0], &tmd[TMD_HEADER_SIZE], m_TMDHeader);
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std::copy(&tmd[0x180], &tmd[0x180 + TMD_VIEW_SIZE], m_TMDView);
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m_TitleVersion = Common::swap16(&tmd[0x01DC]);
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m_numEntries = Common::swap16(&tmd[0x01DE]);
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m_BootIndex = Common::swap16(&tmd[0x01E0]);
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m_TitleID = Common::swap64(&tmd[0x018C]);
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m_IosVersion = Common::swap16(&tmd[0x018A]);
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m_Country = static_cast<u8>(m_TitleID & 0xFF);
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m_TitleVersion = 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_Country = *(u8*)&m_TitleID;
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if (m_Country == 2) // SYSMENU
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m_Country = GetSysMenuRegion(m_TitleVersion);
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InitializeContentEntries(tmd, decrypted_title_key, data_app);
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return true;
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}
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void CNANDContentLoader::InitializeContentEntries(const std::vector<u8>& tmd, const std::vector<u8>& decrypted_title_key, const std::vector<u8>& data_app)
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{
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m_Content.resize(m_numEntries);
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std::array<u8, 16> iv;
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u32 data_app_offset = 0;
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for (u32 i=0; i < m_numEntries; i++)
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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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const u32 entry_offset = 0x24 * 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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SNANDContent& content = m_Content[i];
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content.m_ContentID = Common::swap32(&tmd[entry_offset + 0x01E4]);
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content.m_Index = Common::swap16(&tmd[entry_offset + 0x01E8]);
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content.m_Type = Common::swap16(&tmd[entry_offset + 0x01EA]);
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content.m_Size = static_cast<u32>(Common::swap64(&tmd[entry_offset + 0x01EC]));
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std::copy(&tmd[entry_offset + 0x01E4], &tmd[entry_offset + 0x01E4 + 36], content.m_Header);
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std::copy(&tmd[entry_offset + 0x01F4], &tmd[entry_offset + 0x01F4 + 20], content.m_SHA1Hash);
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if (m_isWAD)
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{
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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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u32 rounded_size = ROUND_UP(content.m_Size, 0x40);
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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, pDataApp, RoundedSize, rContent.m_pData);
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iv.fill(0);
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std::copy(&tmd[entry_offset + 0x01E8], &tmd[entry_offset + 0x01E8 + 2], iv.begin());
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pDataApp += RoundedSize;
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content.m_data = AESDecode(decrypted_title_key.data(), iv.data(), &data_app[data_app_offset], rounded_size);
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data_app_offset += rounded_size;
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continue;
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}
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rContent.m_pData = nullptr;
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if (rContent.m_Type & 0x8000) // shared app
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rContent.m_Filename = CSharedContent::AccessInstance().GetFilenameFromSHA1(rContent.m_SHA1Hash);
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if (content.m_Type & 0x8000) // shared app
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content.m_Filename = CSharedContent::AccessInstance().GetFilenameFromSHA1(content.m_SHA1Hash);
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else
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rContent.m_Filename = StringFromFormat("%s/%08x.app", m_Path.c_str(), rContent.m_ContentID);
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content.m_Filename = StringFromFormat("%s/%08x.app", m_Path.c_str(), content.m_ContentID);
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// Be graceful about incorrect TMDs.
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if (File::Exists(rContent.m_Filename))
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rContent.m_Size = (u32) File::GetSize(rContent.m_Filename);
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if (File::Exists(content.m_Filename))
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content.m_Size = static_cast<u32>(File::GetSize(content.m_Filename));
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}
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delete [] pTMD;
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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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mbedtls_aes_context AES_ctx;
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mbedtls_aes_setkey_dec(&AES_ctx, _pKey, 128);
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mbedtls_aes_crypt_cbc(&AES_ctx, MBEDTLS_AES_DECRYPT, _Size, _IV, _pSrc, _pDest);
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}
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void CNANDContentLoader::GetKeyFromTicket(u8* pTicket, u8* pTicketKey)
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std::vector<u8> CNANDContentLoader::AESDecode(const u8* key, u8* iv, const u8* src, u32 size)
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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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mbedtls_aes_context aes_ctx;
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std::vector<u8> buffer(size);
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mbedtls_aes_setkey_dec(&aes_ctx, key, 128);
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mbedtls_aes_crypt_cbc(&aes_ctx, MBEDTLS_AES_DECRYPT, size, iv, src, buffer.data());
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return buffer;
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}
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std::vector<u8> CNANDContentLoader::GetKeyFromTicket(const std::vector<u8>& ticket)
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{
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const u8 common_key[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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std::copy(&ticket[0x01DC], &ticket[0x01DC + 8], iv);
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return AESDecode(common_key, iv, &ticket[0x01BF], 16);
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}
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@ -380,86 +375,85 @@ void cUIDsys::GetTitleIDs(std::vector<u64>& _TitleIDs, bool _owned)
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}
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}
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u64 CNANDContentManager::Install_WiiWAD(const std::string& fileName)
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u64 CNANDContentManager::Install_WiiWAD(const std::string& filename)
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{
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if (fileName.find(".wad") == std::string::npos)
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if (filename.find(".wad") == std::string::npos)
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return 0;
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const CNANDContentLoader& ContentLoader = GetNANDLoader(fileName);
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if (ContentLoader.IsValid() == false)
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const CNANDContentLoader& content_loader = GetNANDLoader(filename);
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if (content_loader.IsValid() == false)
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return 0;
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u64 TitleID = ContentLoader.GetTitleID();
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u64 title_id = content_loader.GetTitleID();
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//copy WAD's TMD header and contents to content directory
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std::string ContentPath(Common::GetTitleContentPath(TitleID, Common::FROM_CONFIGURED_ROOT));
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std::string TMDFileName(Common::GetTMDFileName(TitleID, Common::FROM_CONFIGURED_ROOT));
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File::CreateFullPath(TMDFileName);
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std::string content_path(Common::GetTitleContentPath(title_id, Common::FROM_CONFIGURED_ROOT));
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std::string tmd_filename(Common::GetTMDFileName(title_id, Common::FROM_CONFIGURED_ROOT));
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File::CreateFullPath(tmd_filename);
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File::IOFile pTMDFile(TMDFileName, "wb");
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if (!pTMDFile)
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File::IOFile tmd_file(tmd_filename, "wb");
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if (!tmd_file)
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{
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PanicAlertT("WAD installation failed: error creating %s", TMDFileName.c_str());
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PanicAlertT("WAD installation failed: error creating %s", tmd_filename.c_str());
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return 0;
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}
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pTMDFile.WriteBytes(ContentLoader.GetTMDHeader(), CNANDContentLoader::TMD_HEADER_SIZE);
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tmd_file.WriteBytes(content_loader.GetTMDHeader(), CNANDContentLoader::TMD_HEADER_SIZE);
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for (u32 i = 0; i < ContentLoader.GetContentSize(); i++)
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for (u32 i = 0; i < content_loader.GetContentSize(); i++)
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{
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const SNANDContent& Content = ContentLoader.GetContent()[i];
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const SNANDContent& content = content_loader.GetContent()[i];
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pTMDFile.WriteBytes(Content.m_Header, CNANDContentLoader::CONTENT_HEADER_SIZE);
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tmd_file.WriteBytes(content.m_Header, CNANDContentLoader::CONTENT_HEADER_SIZE);
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std::string APPFileName;
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if (Content.m_Type & 0x8000) //shared
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APPFileName = CSharedContent::AccessInstance().AddSharedContent(Content.m_SHA1Hash);
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std::string app_filename;
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if (content.m_Type & 0x8000) //shared
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app_filename = CSharedContent::AccessInstance().AddSharedContent(content.m_SHA1Hash);
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else
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APPFileName = StringFromFormat("%s%08x.app", ContentPath.c_str(), Content.m_ContentID);
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app_filename = StringFromFormat("%s%08x.app", content_path.c_str(), content.m_ContentID);
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if (!File::Exists(APPFileName))
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if (!File::Exists(app_filename))
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{
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File::CreateFullPath(APPFileName);
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File::IOFile pAPPFile(APPFileName, "wb");
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if (!pAPPFile)
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File::CreateFullPath(app_filename);
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File::IOFile app_file(app_filename, "wb");
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if (!app_file)
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{
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PanicAlertT("WAD installation failed: error creating %s", APPFileName.c_str());
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PanicAlertT("WAD installation failed: error creating %s", app_filename.c_str());
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return 0;
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}
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pAPPFile.WriteBytes(Content.m_pData, Content.m_Size);
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app_file.WriteBytes(content.m_data.data(), content.m_Size);
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}
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else
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{
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INFO_LOG(DISCIO, "Content %s already exists.", APPFileName.c_str());
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INFO_LOG(DISCIO, "Content %s already exists.", app_filename.c_str());
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}
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}
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//Extract and copy WAD's ticket to ticket directory
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if (!Add_Ticket(TitleID, ContentLoader.GetTIK(), ContentLoader.GetTIKSize()))
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if (!AddTicket(title_id, content_loader.GetTicket()))
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{
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PanicAlertT("WAD installation failed: error creating ticket");
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return 0;
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}
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cUIDsys::AccessInstance().AddTitle(TitleID);
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cUIDsys::AccessInstance().AddTitle(title_id);
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ClearCache();
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return TitleID;
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return title_id;
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}
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bool Add_Ticket(u64 TitleID, const u8* p_tik, u32 tikSize)
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bool AddTicket(u64 title_id, const std::vector<u8>& ticket)
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{
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std::string TicketFileName = Common::GetTicketFileName(TitleID, Common::FROM_CONFIGURED_ROOT);
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File::CreateFullPath(TicketFileName);
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File::IOFile pTicketFile(TicketFileName, "wb");
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if (!pTicketFile || !p_tik)
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{
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//PanicAlertT("WAD installation failed: error creating %s", TicketFileName.c_str());
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std::string ticket_filename = Common::GetTicketFileName(title_id, Common::FROM_CONFIGURED_ROOT);
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File::CreateFullPath(ticket_filename);
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File::IOFile ticket_file(ticket_filename, "wb");
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if (!ticket_file)
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return false;
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}
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return pTicketFile.WriteBytes(p_tik, tikSize);
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return ticket_file.WriteBytes(ticket.data(), ticket.size());
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}
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} // namespace end
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