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Single-pass image creation refactor

This commit is contained in:
Jack Andersen 2016-01-24 16:00:02 -10:00
parent 5d5dfdc3da
commit c4aaecbc8f
7 changed files with 427 additions and 282 deletions
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16
include/NOD/DiscBase.hpp
View File

@ -76,7 +76,8 @@ struct Header
m_gcnMagic = 0xC2339F3D;
}
void write(IFileIO::IWriteStream& ws) const
template <class WriteStream>
void write(WriteStream& ws) const
{
Header hs(*this);
hs.m_wiiMagic = SBig(hs.m_wiiMagic);
@ -316,9 +317,9 @@ public:
std::vector<FSTNode> m_buildNodes;
std::vector<std::string> m_buildNames;
size_t m_buildNameOff = 0;
virtual uint64_t userAllocate(uint64_t reqSz)=0;
virtual uint64_t userAllocate(uint64_t reqSz, IPartWriteStream& ws)=0;
virtual uint32_t packOffset(uint64_t offset) const=0;
void recursiveBuildNodes(bool system, const SystemChar* dirIn, uint64_t dolInode);
void recursiveBuildNodes(IPartWriteStream& ws, bool system, const SystemChar* dirIn, uint64_t dolInode);
void recursiveBuildFST(const SystemChar* dirIn, uint64_t dolInode,
std::function<void(void)> incParents);
void addBuildName(const SystemString& str)
@ -342,22 +343,25 @@ public:
{
memcpy(m_gameID, gameID, 6);
}
bool buildFromDirectory(const SystemChar* dirIn, const SystemChar* dolIn,
virtual std::unique_ptr<IPartWriteStream> beginWriteStream(uint64_t offset)=0;
bool buildFromDirectory(IPartWriteStream& ws,
const SystemChar* dirIn, const SystemChar* dolIn,
const SystemChar* apploaderIn);
const char* getGameID() const {return m_gameID;}
const std::string& getGameTitle() const {return m_gameTitle;}
};
protected:
const SystemChar* m_outPath;
std::unique_ptr<IFileIO> m_fileIO;
std::vector<std::unique_ptr<PartitionBuilderBase>> m_partitions;
public:
std::function<void(size_t idx, const SystemString&, size_t)> m_progressCB;
size_t m_progressIdx = 0;
virtual ~DiscBuilderBase() {}
DiscBuilderBase(std::unique_ptr<IFileIO>&& fio,
DiscBuilderBase(const SystemChar* outPath,
std::function<void(size_t idx, const SystemString&, size_t)> progressCB)
: m_fileIO(std::move(fio)), m_progressCB(progressCB) {}
: m_fileIO(std::move(NewFileIO(outPath))), m_outPath(outPath), m_progressCB(progressCB) {}
IFileIO& getFileIO() {return *m_fileIO;}
};

7
include/NOD/DiscWii.hpp
View File

@ -15,13 +15,14 @@ public:
class DiscBuilderWii : public DiscBuilderBase
{
const SystemChar* m_outPath;
bool m_dualLayer;
public:
DiscBuilderWii(const SystemChar* outPath, const char gameID[6], const char* gameTitle, bool dualLayer,
std::function<void(size_t, const SystemString&, size_t)> progressCB);
bool buildFromDirectory(const SystemChar* dirIn, const SystemChar* dolIn,
const SystemChar* apploaderIn, const SystemChar* partHeadIn);
bool buildFromDirectory(const SystemChar* dirIn,
const SystemChar* dolIn,
const SystemChar* apploaderIn,
const SystemChar* partHeadIn);
};
}

22
include/NOD/IDiscIO.hpp
View File

@ -47,9 +47,9 @@ struct IPartReadStream
struct IPartWriteStream
{
virtual ~IPartWriteStream() {}
virtual void seek(int64_t offset, int whence=SEEK_SET)=0;
virtual void close()=0;
virtual uint64_t position() const=0;
virtual uint64_t write(void* buf, uint64_t length)=0;
virtual uint64_t write(const void* buf, uint64_t length)=0;
};
#if NOD_ATHENA
@ -72,24 +72,6 @@ public:
inline atUint64 readUBytesToBuf(void* buf, atUint64 sz) {m_rs->read(buf, sz); return sz;}
};
class AthenaPartWriteStream : public Athena::io::IStreamWriter
{
std::unique_ptr<IPartWriteStream> m_ws;
public:
AthenaPartWriteStream(std::unique_ptr<IPartWriteStream>&& ws) : m_ws(std::move(ws)) {}
inline void seek(atInt64 off, Athena::SeekOrigin origin)
{
if (origin == Athena::Begin)
m_ws->seek(off, SEEK_SET);
else if (origin == Athena::Current)
m_ws->seek(off, SEEK_CUR);
}
inline atUint64 position() const {return m_ws->position();}
inline atUint64 length() const {return 0;}
inline void writeUBytes(const atUint8* buf, atUint64 len) {m_ws->write((void*)buf, len);}
};
#endif
}

18
include/NOD/Util.hpp
View File

@ -16,6 +16,9 @@
#include <sys/file.h>
#include <unistd.h>
#include <errno.h>
#include <sys/param.h>
#include <sys/statvfs.h>
#endif
#include <sys/stat.h>
@ -261,6 +264,21 @@ static inline int FSeek(FILE* fp, int64_t offset, int whence)
#endif
}
static inline bool CheckFreeSpace(const SystemChar* path, size_t reqSz)
{
#if _WIN32
ULARGE_INTEGER freeBytes;
if (!GetDiskFreeSpaceExW(path, &freeBytes, nullptr, nullptr))
LogModule.report(LogVisor::FatalError, "GetDiskFreeSpaceExW %s: %d", path, GetLastError());
return reqSz < freeBytes;
#else
struct statvfs svfs;
if (statvfs(path, &svfs))
LogModule.report(LogVisor::FatalError, "statvfs %s: %s", path, strerror(errno));
return reqSz < svfs.f_bsize * svfs.f_bfree;
#endif
}
}
#endif // __NOD_UTIL_HPP__

114
lib/DiscBase.cpp
View File

@ -131,7 +131,14 @@ bool DiscBase::IPartition::extractToDirectory(const SystemString& path,
}
/* Extract Filesystem */
return m_nodes[0].extractToDirectory(path, ctx);
SystemString fsPath = path + _S("/fsroot");
if (Mkdir(fsPath.c_str(), 0755) && errno != EEXIST)
{
LogModule.report(LogVisor::Error, _S("unable to mkdir '%s'"), fsPath.c_str());
return false;
}
return m_nodes[0].extractToDirectory(fsPath, ctx);
}
static uint64_t GetInode(const SystemChar* path)
@ -157,13 +164,17 @@ static uint64_t GetInode(const SystemChar* path)
return inode;
}
static bool IsSystemFile(const SystemString& name)
static bool IsSystemFile(const SystemString& name, bool& isDol)
{
isDol = false;
if (name.size() < 4)
return false;
if (!StrCaseCmp((&*name.cend()) - 4, _S(".dol")))
{
isDol = true;
return true;
}
if (!StrCaseCmp((&*name.cend()) - 4, _S(".rel")))
return true;
if (!StrCaseCmp((&*name.cend()) - 4, _S(".rso")))
@ -180,7 +191,23 @@ static bool IsSystemFile(const SystemString& name)
return false;
}
void DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodes(bool system, const SystemChar* dirIn,
/** Patches out pesky #001 integrity check performed by game's OSInit.
* This is required for multi-DOL games, but doesn't harm functionality otherwise */
static size_t PatchDOL(IFileIO::IReadStream& in, IPartWriteStream& out, size_t sz)
{
std::unique_ptr<uint8_t[]> buf(new uint8_t[sz]);
sz = in.read(buf.get(), sz);
uint8_t* found = static_cast<uint8_t*>(memmem(buf.get(), sz,
"\x3C\x03\xF8\x00\x28\x00\x00\x00\x40\x82\x00\x0C"
"\x38\x60\x00\x01\x48\x00\x02\x44\x38\x61\x00\x18\x48", 25));
if (found)
found[11] = '\x04';
return out.write(buf.get(), sz);
}
void DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodes(IPartWriteStream& ws,
bool system,
const SystemChar* dirIn,
uint64_t dolInode)
{
DirectoryEnumerator dEnum(dirIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
@ -188,12 +215,12 @@ void DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodes(bool system, con
{
if (e.m_isDir)
{
size_t dirNodeIdx = m_buildNodes.size();
recursiveBuildNodes(system, e.m_path.c_str(), dolInode);
recursiveBuildNodes(ws, system, e.m_path.c_str(), dolInode);
}
else
{
bool isSys = IsSystemFile(e.m_name);
bool isDol;
bool isSys = IsSystemFile(e.m_name, isDol);
if (system ^ isSys)
continue;
@ -201,27 +228,31 @@ void DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodes(bool system, con
continue;
size_t fileSz = ROUND_UP_32(e.m_fileSz);
uint64_t fileOff = userAllocate(fileSz);
uint64_t fileOff = userAllocate(fileSz, ws);
m_fileOffsetsSizes[e.m_path] = std::make_pair(fileOff, fileSz);
std::unique_ptr<IFileIO::IWriteStream> ws = m_parent.getFileIO().beginWriteStream(fileOff);
FILE* fp = Fopen(e.m_path.c_str(), _S("rb"), FileLockType::Read);
if (!fp)
LogModule.report(LogVisor::FatalError, _S("unable to open '%s' for reading"), e.m_path.c_str());
char buf[0x8000];
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(e.m_path)->beginReadStream();
size_t xferSz = 0;
++m_parent.m_progressIdx;
while (xferSz < e.m_fileSz)
if (isDol)
{
size_t rdSz = fread(buf, 1, std::min(0x8000ul, e.m_fileSz - xferSz), fp);
if (!rdSz)
break;
ws->write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.m_progressIdx, e.m_name, xferSz);
xferSz = PatchDOL(*rs, ws, e.m_fileSz);
m_parent.m_progressCB(++m_parent.m_progressIdx, e.m_name + _S(" [PATCHED]"), xferSz);
}
else
{
char buf[0x8000];
++m_parent.m_progressIdx;
while (xferSz < e.m_fileSz)
{
size_t rdSz = rs->read(buf, std::min(0x8000ul, e.m_fileSz - xferSz));
if (!rdSz)
break;
ws.write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.m_progressIdx, e.m_name, xferSz);
}
}
fclose(fp);
for (size_t i=0 ; i<fileSz-xferSz ; ++i)
ws->write("\xff", 1);
ws.write("\xff", 1);
}
}
}
@ -258,15 +289,15 @@ void DiscBuilderBase::PartitionBuilderBase::recursiveBuildFST(const SystemChar*
}
}
bool DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(const SystemChar* dirIn,
const SystemChar* dolIn,
const SystemChar* apploaderIn)
bool DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(IPartWriteStream& ws,
const SystemChar* dirIn,
const SystemChar* dolIn,
const SystemChar* apploaderIn)
{
if (!dirIn || !dolIn || !apploaderIn)
LogModule.report(LogVisor::FatalError, "all arguments must be supplied to buildFromDirectory()");
/* Clear file */
m_parent.getFileIO().beginWriteStream();
++m_parent.m_progressIdx;
m_parent.m_progressCB(m_parent.m_progressIdx, "Preparing output image", -1);
@ -274,41 +305,26 @@ bool DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(const SystemChar*
m_buildNodes.emplace_back(true, m_buildNameOff, 0, 1);
addBuildName(_S("<root>"));
/* Write DOL first (ensures that it's within a 32-bit offset for Wii apploaders) */
/* Write Boot DOL first (first thing seeked to after Apploader) */
{
Sstat dolStat;
if (Stat(dolIn, &dolStat))
LogModule.report(LogVisor::FatalError, _S("unable to stat %s"), dolIn);
size_t fileSz = ROUND_UP_32(dolStat.st_size);
uint64_t fileOff = userAllocate(fileSz);
uint64_t fileOff = userAllocate(fileSz, ws);
m_dolOffset = fileOff;
m_dolSize = fileSz;
std::unique_ptr<IFileIO::IWriteStream> ws = m_parent.getFileIO().beginWriteStream(fileOff);
FILE* fp = Fopen(dolIn, _S("rb"), FileLockType::Read);
if (!fp)
LogModule.report(LogVisor::FatalError, _S("unable to open '%s' for reading"), dolIn);
char buf[8192];
size_t xferSz = 0;
SystemString dolName(dolIn);
++m_parent.m_progressIdx;
while (xferSz < dolStat.st_size)
{
size_t rdSz = fread(buf, 1, std::min(size_t(8192), size_t(dolStat.st_size - xferSz)), fp);
if (!rdSz)
break;
ws->write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.m_progressIdx, dolName, xferSz);
}
fclose(fp);
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(dolIn)->beginReadStream();
size_t xferSz = PatchDOL(*rs, ws, dolStat.st_size);
m_parent.m_progressCB(++m_parent.m_progressIdx, SystemString(dolIn) + _S(" [PATCHED]"), xferSz);
for (size_t i=0 ; i<fileSz-xferSz ; ++i)
ws->write("\xff", 1);
ws.write("\xff", 1);
}
/* Gather files in root directory */
uint64_t dolInode = GetInode(dolIn);
recursiveBuildNodes(true, dirIn, dolInode);
recursiveBuildNodes(false, dirIn, dolInode);
recursiveBuildNodes(ws, true, dirIn, dolInode);
recursiveBuildNodes(ws, false, dirIn, dolInode);
recursiveBuildFST(dirIn, dolInode, [&](){m_buildNodes[0].incrementLength();});
return true;

55
lib/DiscGCN.cpp
View File

@ -113,12 +113,40 @@ class PartitionBuilderGCN : public DiscBuilderBase::PartitionBuilderBase
{
uint64_t m_curUser = 0x57058000;
uint32_t m_fstMemoryAddr;
public:
class PartWriteStream : public IPartWriteStream
{
const PartitionBuilderGCN& m_parent;
uint64_t m_offset;
std::unique_ptr<IFileIO::IWriteStream> m_fio;
public:
PartWriteStream(const PartitionBuilderGCN& parent, uint64_t offset)
: m_parent(parent), m_offset(offset)
{
m_fio = m_parent.m_parent.getFileIO().beginWriteStream(offset);
}
void close() {m_fio.reset();}
uint64_t position() const {return m_offset;}
uint64_t write(const void* buf, uint64_t length)
{
uint64_t len = m_fio->write(buf, length);
m_offset += len;
return len;
}
void seek(size_t off)
{
m_offset = off;
m_fio = m_parent.m_parent.getFileIO().beginWriteStream(off);
}
};
PartitionBuilderGCN(DiscBuilderBase& parent, Kind kind,
const char gameID[6], const char* gameTitle, uint32_t fstMemoryAddr)
: DiscBuilderBase::PartitionBuilderBase(parent, kind, gameID, gameTitle), m_fstMemoryAddr(fstMemoryAddr) {}
uint64_t userAllocate(uint64_t reqSz)
uint64_t userAllocate(uint64_t reqSz, IPartWriteStream& ws)
{
m_curUser -= reqSz;
m_curUser &= 0xfffffffffffffff0;
@ -127,6 +155,7 @@ public:
LogModule.report(LogVisor::FatalError, "user area low mark reached");
return -1;
}
static_cast<PartWriteStream&>(ws).seek(m_curUser);
return m_curUser;
}
@ -135,17 +164,23 @@ public:
return offset;
}
std::unique_ptr<IPartWriteStream> beginWriteStream(uint64_t offset)
{
return std::make_unique<PartWriteStream>(*this, offset);
}
bool buildFromDirectory(const SystemChar* dirIn, const SystemChar* dolIn, const SystemChar* apploaderIn)
{
bool result = DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(dirIn, dolIn, apploaderIn);
std::unique_ptr<IPartWriteStream> ws = beginWriteStream(0);
bool result = DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(*ws, dirIn, dolIn, apploaderIn);
if (!result)
return false;
std::unique_ptr<IFileIO::IWriteStream> ws = m_parent.getFileIO().beginWriteStream(0);
ws = beginWriteStream(0);
Header header(m_gameID, m_gameTitle.c_str(), false);
header.write(*ws);
ws = m_parent.getFileIO().beginWriteStream(0x2440);
ws = beginWriteStream(0x2440);
FILE* fp = Fopen(apploaderIn, _S("rb"), FileLockType::Read);
if (!fp)
LogModule.report(LogVisor::FatalError, _S("unable to open %s for reading"), apploaderIn);
@ -182,7 +217,7 @@ public:
LogModule.report(LogVisor::FatalError,
"FST flows into user area (one or the other is too big)");
ws = m_parent.getFileIO().beginWriteStream(0x420);
ws = beginWriteStream(0x420);
uint32_t vals[7];
vals[0] = SBig(uint32_t(m_dolOffset));
vals[1] = SBig(uint32_t(fstOff));
@ -200,13 +235,21 @@ public:
bool DiscBuilderGCN::buildFromDirectory(const SystemChar* dirIn, const SystemChar* dolIn,
const SystemChar* apploaderIn)
{
m_fileIO->beginWriteStream();
if (!CheckFreeSpace(m_outPath, 0x57058000))
{
LogModule.report(LogVisor::Error, _S("not enough free disk space for %s"), m_outPath);
return false;
}
PartitionBuilderGCN& pb = static_cast<PartitionBuilderGCN&>(*m_partitions[0]);
return pb.buildFromDirectory(dirIn, dolIn, apploaderIn);
}
DiscBuilderGCN::DiscBuilderGCN(const SystemChar* outPath, const char gameID[6], const char* gameTitle,
uint32_t fstMemoryAddr, std::function<void(size_t, const SystemString&, size_t)> progressCB)
: DiscBuilderBase(std::move(NewFileIO(outPath)), progressCB)
: DiscBuilderBase(outPath, progressCB)
{
PartitionBuilderGCN* partBuilder = new PartitionBuilderGCN(*this, PartitionBuilderBase::Kind::Data,
gameID, gameTitle, fstMemoryAddr);

477
lib/DiscWii.cpp
View File

@ -433,17 +433,171 @@ void DiscWii::writeOutDataPartitionHeader(const SystemChar* pathOut) const
}
}
static const uint8_t ZEROIV[16] = {0};
class PartitionBuilderWii : public DiscBuilderBase::PartitionBuilderBase
{
friend class DiscBuilderWii;
uint64_t m_baseOffset;
uint64_t m_userOffset = 0;
uint64_t m_curUser = 0x1F0000;
std::unique_ptr<IAES> m_aes;
uint8_t m_h3[4916][20] = {};
public:
class PartWriteStream : public IPartWriteStream
{
friend class PartitionBuilderWii;
PartitionBuilderWii& m_parent;
uint64_t m_baseOffset;
uint64_t m_offset;
std::unique_ptr<IFileIO::IWriteStream> m_fio;
bool m_closed = false;
size_t m_curGroup = SIZE_MAX;
char m_buf[0x200000];
void encryptGroup(uint8_t h3Out[20])
{
sha1nfo sha;
uint8_t h2[8][20];
for (int s=0 ; s<8 ; ++s)
{
char* ptr1 = m_buf + s*0x40000;
uint8_t h1[8][20];
for (int c=0 ; c<8 ; ++c)
{
char* ptr0 = ptr1 + c*0x8000;
uint8_t h0[31][20];
for (int j=0 ; j<31 ; ++j)
{
sha1_init(&sha);
sha1_write(&sha, ptr0 + (j+1)*0x400, 0x400);
memcpy(h0[j], sha1_result(&sha), 20);
}
sha1_init(&sha);
sha1_write(&sha, (char*)h0, 0x26C);
memcpy(h1[c], sha1_result(&sha), 20);
memcpy(ptr0, h0, 0x26C);
memset(ptr0+0x26C, 0, 0x014);
}
sha1_init(&sha);
sha1_write(&sha, (char*)h1, 0x0A0);
memcpy(h2[s], sha1_result(&sha), 20);
for (int c=0 ; c<8 ; ++c)
{
char* ptr0 = ptr1 + c*0x8000;
memcpy(ptr0+0x280, h1, 0x0A0);
memset(ptr0+0x320, 0, 0x020);
}
}
sha1_init(&sha);
sha1_write(&sha, (char*)h2, 0x0A0);
memcpy(h3Out, sha1_result(&sha), 20);
for (int s=0 ; s<8 ; ++s)
{
char* ptr1 = m_buf + s*0x40000;
for (int c=0 ; c<8 ; ++c)
{
char* ptr0 = ptr1 + c*0x8000;
memcpy(ptr0+0x340, h2, 0x0A0);
memset(ptr0+0x3E0, 0, 0x020);
m_parent.m_aes->encrypt(ZEROIV, (uint8_t*)ptr0, (uint8_t*)ptr0, 0x400);
m_parent.m_aes->encrypt((uint8_t*)(ptr0+0x3D0), (uint8_t*)(ptr0+0x400), (uint8_t*)(ptr0+0x400), 0x7c00);
}
}
if (m_fio->write(m_buf, 0x200000) != 0x200000)
LogModule.report(LogVisor::FatalError, "unable to write full disc group");
}
public:
PartWriteStream(PartitionBuilderWii& parent, uint64_t baseOffset, uint64_t offset)
: m_parent(parent), m_baseOffset(baseOffset), m_offset(offset)
{
if (offset % 0x1F0000)
LogModule.report(LogVisor::FatalError, "partition write stream MUST begin on 0x1F0000-aligned boundary");
size_t group = m_offset / 0x1F0000;
m_fio = m_parent.m_parent.getFileIO().beginWriteStream(m_baseOffset + group * 0x200000);
m_curGroup = group;
}
~PartWriteStream() {close();}
void close()
{
if (m_closed)
return;
m_closed = true;
size_t rem = m_offset % 0x1F0000;
if (rem)
{
rem = 0x1F0000 - rem;
write(nullptr, rem);
}
encryptGroup(m_parent.m_h3[m_curGroup]);
m_fio.reset();
}
uint64_t position() const {return m_offset;}
uint64_t write(const void* buf, uint64_t length)
{
size_t group = m_offset / 0x1F0000;
size_t block = (m_offset - group * 0x1F0000) / 0x7c00;
size_t cacheOffset = m_offset % 0x7c00;
uint64_t cacheSize;
uint64_t rem = length;
const uint8_t* src = (uint8_t*)buf;
while (rem)
{
if (group != m_curGroup)
{
encryptGroup(m_parent.m_h3[m_curGroup]);
m_curGroup = group;
}
cacheSize = rem;
if (cacheSize + cacheOffset > 0x7c00)
cacheSize = 0x7c00 - cacheOffset;
if (src)
{
memcpy(m_buf + block * 0x8000 + 0x400 + cacheOffset, src, cacheSize);
src += cacheSize;
}
else
memset(m_buf + block * 0x8000 + 0x400 + cacheOffset, 0, cacheSize);
rem -= cacheSize;
cacheOffset = 0;
++block;
if (block == 64)
{
block = 0;
++group;
}
}
m_offset += length;
return length;
}
};
PartitionBuilderWii(DiscBuilderBase& parent, Kind kind,
const char gameID[6], const char* gameTitle)
: DiscBuilderBase::PartitionBuilderBase(parent, kind, gameID, gameTitle) {}
const char gameID[6], const char* gameTitle, uint64_t baseOffset)
: DiscBuilderBase::PartitionBuilderBase(parent, kind, gameID, gameTitle),
m_baseOffset(baseOffset), m_aes(NewAES()) {}
uint64_t getCurUserEnd() const {return m_curUser;}
uint64_t userAllocate(uint64_t reqSz)
uint64_t userAllocate(uint64_t reqSz, IPartWriteStream& ws)
{
reqSz = ROUND_UP_32(reqSz);
if (m_curUser + reqSz >= 0x1FB450000)
@ -452,6 +606,14 @@ public:
return -1;
}
uint64_t ret = m_curUser;
PartWriteStream& cws = static_cast<PartWriteStream&>(ws);
if (cws.m_offset > ret)
{
LogModule.report(LogVisor::FatalError, "partition overwrite error");
return -1;
}
while (cws.m_offset < ret)
cws.write("\xff", 1);
m_curUser += reqSz;
return ret;
}
@ -461,102 +623,34 @@ public:
return uint32_t(offset >> uint64_t(2));
}
bool buildFromDirectory(const SystemChar* dirIn, const SystemChar* dolIn, const SystemChar* apploaderIn)
std::unique_ptr<IPartWriteStream> beginWriteStream(uint64_t offset)
{
bool result = DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(dirIn, dolIn, apploaderIn);
if (!result)
return false;
std::unique_ptr<IFileIO::IWriteStream> ws;
/* Pad out user area to nearest cleartext sector */
uint64_t curUserRem = m_curUser % 0x1F0000;
if (curUserRem)
{
ws = m_parent.getFileIO().beginWriteStream(m_curUser);
curUserRem = 0x1F0000 - curUserRem;
for (size_t i=0 ; i<curUserRem ; ++i)
ws->write("\xff", 1);
m_curUser += curUserRem;
}
ws = m_parent.getFileIO().beginWriteStream(0);
Header header(m_gameID, m_gameTitle.c_str(), true, 0, 0, 0);
header.write(*ws);
ws = m_parent.getFileIO().beginWriteStream(0x2440);
FILE* fp = Fopen(apploaderIn, _S("rb"), FileLockType::Read);
if (!fp)
LogModule.report(LogVisor::FatalError, _S("unable to open %s for reading"), apploaderIn);
char buf[8192];
size_t xferSz = 0;
SystemString apploaderName(apploaderIn);
++m_parent.m_progressIdx;
while (true)
{
size_t rdSz = fread(buf, 1, 8192, fp);
if (!rdSz)
break;
ws->write(buf, rdSz);
xferSz += rdSz;
if (0x2440 + xferSz >= 0x1F0000)
LogModule.report(LogVisor::FatalError,
"apploader flows into user area (one or the other is too big)");
m_parent.m_progressCB(m_parent.m_progressIdx, apploaderName, xferSz);
}
fclose(fp);
size_t fstOff = ROUND_UP_32(xferSz);
size_t fstSz = sizeof(FSTNode) * m_buildNodes.size();
for (size_t i=0 ; i<fstOff-xferSz ; ++i)
ws->write("\xff", 1);
fstOff += 0x2440;
ws->write(m_buildNodes.data(), fstSz);
for (const std::string& str : m_buildNames)
ws->write(str.data(), str.size()+1);
fstSz += m_buildNameOff;
fstSz = ROUND_UP_32(fstSz);
if (fstOff + fstSz >= 0x1F0000)
LogModule.report(LogVisor::FatalError,
"FST flows into user area (one or the other is too big)");
ws = m_parent.getFileIO().beginWriteStream(0x420);
uint32_t vals[4];
vals[0] = SBig(uint32_t(m_dolOffset >> uint64_t(2)));
vals[1] = SBig(uint32_t(fstOff >> uint64_t(2)));
vals[2] = SBig(uint32_t(fstSz));
vals[3] = SBig(uint32_t(fstSz));
ws->write(vals, sizeof(vals));
return true;
return std::make_unique<PartWriteStream>(*this, m_baseOffset + m_userOffset, offset);
}
uint64_t cryptAndFakesign(IFileIO& out, uint64_t offset, const SystemChar* partHeadIn) const
uint64_t buildFromDirectory(const SystemChar* dirIn,
const SystemChar* dolIn,
const SystemChar* apploaderIn,
const SystemChar* partHeadIn)
{
/* Read head and validate key members */
FILE* fp = Fopen(partHeadIn, _S("rb"), FileLockType::Read);
if (!fp)
LogModule.report(LogVisor::FatalError, _S("unable to open %s for reading"), partHeadIn);
std::unique_ptr<IFileIO> ph = NewFileIO(partHeadIn);
uint8_t tkey[16];
{
FSeek(fp, 0x1BF, SEEK_SET);
if (fread(tkey, 1, 16, fp) != 16)
if (ph->beginReadStream(0x1BF)->read(tkey, 16) != 16)
LogModule.report(LogVisor::FatalError, _S("unable to read title key from %s"), partHeadIn);
}
uint8_t tkeyiv[16] = {};
{
FSeek(fp, 0x1DC, SEEK_SET);
if (fread(tkeyiv, 1, 8, fp) != 8)
if (ph->beginReadStream(0x1DC)->read(tkeyiv, 8) != 8)
LogModule.report(LogVisor::FatalError, _S("unable to read title key IV from %s"), partHeadIn);
}
uint8_t ccIdx;
{
FSeek(fp, 0x1F1, SEEK_SET);
if (fread(&ccIdx, 1, 1, fp) != 1)
if (ph->beginReadStream(0x1F1)->read(&ccIdx, 1) != 1)
LogModule.report(LogVisor::FatalError, _S("unable to read common key index from %s"), partHeadIn);
if (ccIdx > 1)
LogModule.report(LogVisor::FatalError, _S("common key index may only be 0 or 1"));
@ -564,8 +658,7 @@ public:
uint32_t tmdSz;
{
FSeek(fp, 0x2A4, SEEK_SET);
if (fread(&tmdSz, 1, 4, fp) != 4)
if (ph->beginReadStream(0x2A4)->read(&tmdSz, 4) != 4)
LogModule.report(LogVisor::FatalError, _S("unable to read TMD size from %s"), partHeadIn);
tmdSz = SBig(tmdSz);
}
@ -573,8 +666,7 @@ public:
uint64_t h3Off;
{
uint32_t h3Ptr;
FSeek(fp, 0x2B4, SEEK_SET);
if (fread(&h3Ptr, 1, 4, fp) != 4)
if (ph->beginReadStream(0x2B4)->read(&h3Ptr, 4) != 4)
LogModule.report(LogVisor::FatalError, _S("unable to read H3 pointer from %s"), partHeadIn);
h3Off = uint64_t(SBig(h3Ptr)) << 2;
}
@ -582,25 +674,26 @@ public:
uint64_t dataOff;
{
uint32_t dataPtr;
if (fread(&dataPtr, 1, 4, fp) != 4)
if (ph->beginReadStream(0x2B8)->read(&dataPtr, 4) != 4)
LogModule.report(LogVisor::FatalError, _S("unable to read data pointer from %s"), partHeadIn);
dataOff = uint64_t(SBig(dataPtr)) << 2;
}
m_userOffset = dataOff;
std::unique_ptr<uint8_t[]> tmdData(new uint8_t[tmdSz]);
FSeek(fp, 0x2C0, SEEK_SET);
if (fread(tmdData.get(), 1, tmdSz, fp) != tmdSz)
if (ph->beginReadStream(0x2C0)->read(tmdData.get(), tmdSz) != tmdSz)
LogModule.report(LogVisor::FatalError, _S("unable to read TMD from %s"), partHeadIn);
/* Copy partition head up to H3 table */
std::unique_ptr<IFileIO::IWriteStream> ws = out.beginWriteStream(offset);
std::unique_ptr<IFileIO::IWriteStream> ws = m_parent.getFileIO().beginWriteStream(m_baseOffset);
{
uint64_t remCopy = h3Off;
uint8_t copyBuf[8192];
FSeek(fp, 0, SEEK_SET);
std::unique_ptr<IFileIO::IReadStream> rs = ph->beginReadStream();
while (remCopy)
{
size_t rdBytes = fread(copyBuf, 1, std::min(size_t(8192), size_t(remCopy)), fp);
size_t rdBytes = rs->read(copyBuf, std::min(size_t(8192), size_t(remCopy)));
if (rdBytes)
{
ws->write(copyBuf, rdBytes);
@ -613,111 +706,104 @@ public:
}
}
fclose(fp);
/* Prepare crypto pass */
std::unique_ptr<IFileIO::IReadStream> rs = m_parent.getFileIO().beginReadStream(0);
sha1nfo sha;
std::unique_ptr<IAES> aes = NewAES();
aes->setKey(COMMON_KEYS[ccIdx]);
aes->decrypt(tkeyiv, tkey, tkey, 16);
aes->setKey(tkey);
static const uint8_t ZEROIV[16] = {0};
m_aes->setKey(COMMON_KEYS[ccIdx]);
m_aes->decrypt(tkeyiv, tkey, tkey, 16);
m_aes->setKey(tkey);
std::unique_ptr<char[]> cleartext(new char[0x1F0000]);
std::unique_ptr<char[]> ciphertext(new char[0x200000]);
uint8_t h3[4916][20] = {};
uint64_t groupCount = m_curUser / 0x1F0000;
ws = out.beginWriteStream(offset + dataOff);
SystemString cryptoName(_S("Hashing and encrypting"));
++m_parent.m_progressIdx;
for (uint64_t g=0 ; g<groupCount ; ++g)
{
char* cleartext2 = cleartext.get();
char* ciphertext2 = ciphertext.get();
/* Assemble partition data */
std::unique_ptr<IPartWriteStream> cws = beginWriteStream(0x1F0000);
bool result = DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(*cws, dirIn, dolIn, apploaderIn);
if (!result)
return 0;
if (rs->read(cleartext2, 0x1F0000) != 0x1F0000)
LogModule.report(LogVisor::FatalError, "cleartext file too short");
uint8_t h2[8][20];
for (int s=0 ; s<8 ; ++s)
/* Pad out user area to nearest cleartext sector */
m_curUser = cws->position();
uint64_t curUserRem = m_curUser % 0x1F0000;
if (curUserRem)
{
char* cleartext1 = cleartext2 + s*0x3E000;
char* ciphertext1 = ciphertext2 + s*0x40000;
uint8_t h1[8][20];
for (int c=0 ; c<8 ; ++c)
{
char* cleartext0 = cleartext1 + c*0x7c00;
char* ciphertext0 = ciphertext1 + c*0x8000;
uint8_t h0[31][20];
for (int j=0 ; j<31 ; ++j)
{
sha1_init(&sha);
sha1_write(&sha, cleartext0 + j*0x400, 0x400);
memcpy(h0[j], sha1_result(&sha), 20);
}
sha1_init(&sha);
sha1_write(&sha, (char*)h0, 0x26C);
memcpy(h1[c], sha1_result(&sha), 20);
memcpy(ciphertext0, h0, 0x26C);
memset(ciphertext0+0x26C, 0, 0x014);
}
sha1_init(&sha);
sha1_write(&sha, (char*)h1, 0x0A0);
memcpy(h2[s], sha1_result(&sha), 20);
for (int c=0 ; c<8 ; ++c)
{
char* ciphertext0 = ciphertext1 + c*0x8000;
memcpy(ciphertext0+0x280, h1, 0x0A0);
memset(ciphertext0+0x320, 0, 0x020);
}
curUserRem = 0x1F0000 - curUserRem;
for (size_t i=0 ; i<curUserRem ; ++i)
cws->write("\xff", 1);
m_curUser += curUserRem;
}
sha1_init(&sha);
sha1_write(&sha, (char*)h2, 0x0A0);
memcpy(h3[g], sha1_result(&sha), 20);
/* Begin crypto write and add content header */
cws = beginWriteStream(0);
Header header(m_gameID, m_gameTitle.c_str(), true, 0, 0, 0);
header.write(*cws);
for (int s=0 ; s<8 ; ++s)
/* Get Apploader Size */
Sstat theStat;
if (Stat(apploaderIn, &theStat))
LogModule.report(LogVisor::FatalError, _S("unable to stat %s"), apploaderIn);
/* Compute boot table members and write */
size_t fstOff = 0x2440 + ROUND_UP_32(theStat.st_size);
size_t fstSz = sizeof(FSTNode) * m_buildNodes.size();
fstSz += m_buildNameOff;
fstSz = ROUND_UP_32(fstSz);
if (fstOff + fstSz >= 0x1F0000)
LogModule.report(LogVisor::FatalError,
"FST flows into user area (one or the other is too big)");
cws->write(nullptr, 0x420 - sizeof(Header));
uint32_t vals[4];
vals[0] = SBig(uint32_t(m_dolOffset >> uint64_t(2)));
vals[1] = SBig(uint32_t(fstOff >> uint64_t(2)));
vals[2] = SBig(uint32_t(fstSz));
vals[3] = SBig(uint32_t(fstSz));
cws->write(vals, 16);
/* Write Apploader */
cws->write(nullptr, 0x2440 - 0x430);
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(apploaderIn)->beginReadStream();
char buf[8192];
size_t xferSz = 0;
SystemString apploaderName(apploaderIn);
++m_parent.m_progressIdx;
while (true)
{
char* cleartext1 = cleartext2 + s*0x3E000;
char* ciphertext1 = ciphertext2 + s*0x40000;
for (int c=0 ; c<8 ; ++c)
{
char* cleartext0 = cleartext1 + c*0x7c00;
char* ciphertext0 = ciphertext1 + c*0x8000;
memcpy(ciphertext0+0x340, h2, 0x0A0);
memset(ciphertext0+0x3E0, 0, 0x020);
aes->encrypt(ZEROIV, (uint8_t*)ciphertext0, (uint8_t*)ciphertext0, 0x400);
aes->encrypt((uint8_t*)(ciphertext0+0x3D0), (uint8_t*)cleartext0, (uint8_t*)(ciphertext0+0x400), 0x7c00);
}
size_t rdSz = rs->read(buf, 8192);
if (!rdSz)
break;
cws->write(buf, rdSz);
xferSz += rdSz;
if (0x2440 + xferSz >= 0x1F0000)
LogModule.report(LogVisor::FatalError,
"apploader flows into user area (one or the other is too big)");
m_parent.m_progressCB(m_parent.m_progressIdx, apploaderName, xferSz);
}
if (ws->write(ciphertext2, 0x200000) != 0x200000)
LogModule.report(LogVisor::FatalError, "unable to write full disc sector");
m_parent.m_progressCB(m_parent.m_progressIdx, cryptoName, (g+1)*0x200000);
size_t fstOffRel = fstOff - 0x2440;
if (xferSz > fstOffRel)
LogModule.report(LogVisor::FatalError, "apploader unexpectedly flows into FST");
for (size_t i=0 ; i<fstOffRel-xferSz ; ++i)
cws->write("\xff", 1);
/* Write FST */
cws->write(m_buildNodes.data(), m_buildNodes.size() * sizeof(FSTNode));
for (const std::string& str : m_buildNames)
cws->write(str.data(), str.size()+1);
}
/* Write new crypto content size */
uint64_t groupCount = m_curUser / 0x1F0000;
uint64_t cryptContentSize = (groupCount * 0x200000) >> uint64_t(2);
uint32_t cryptContentSizeBig = SBig(uint32_t(cryptContentSize));
ws = out.beginWriteStream(offset + 0x2BC);
ws = m_parent.getFileIO().beginWriteStream(m_baseOffset + 0x2BC);
ws->write(&cryptContentSizeBig, 0x4);
/* Write new H3 */
ws = out.beginWriteStream(offset + h3Off);
ws->write(h3, 0x18000);
ws = m_parent.getFileIO().beginWriteStream(m_baseOffset + h3Off);
ws->write(m_h3, 0x18000);
/* Compute content hash and replace in TMD */
sha1nfo sha;
sha1_init(&sha);
sha1_write(&sha, (char*)h3, 0x18000);
sha1_write(&sha, (char*)m_h3, 0x18000);
memcpy(tmdData.get() + 0x1F4, sha1_result(&sha), 20);
/* Same for content size */
@ -759,10 +845,10 @@ public:
}
m_parent.m_progressCB(m_parent.m_progressIdx, bfName, attempts);
ws = out.beginWriteStream(offset + 0x2C0);
ws = m_parent.getFileIO().beginWriteStream(m_baseOffset + 0x2C0);
ws->write(tmdData.get(), tmdSz);
return offset + dataOff + groupCount * 0x200000;
return m_baseOffset + dataOff + groupCount * 0x200000;
}
};
@ -772,19 +858,17 @@ bool DiscBuilderWii::buildFromDirectory(const SystemChar* dirIn, const SystemCha
size_t DISC_CAPACITY = m_dualLayer ? 0x1FB4E0000 : 0x118240000;
PartitionBuilderWii& pb = static_cast<PartitionBuilderWii&>(*m_partitions[0]);
uint64_t filledSz = 0x200000;
std::unique_ptr<IFileIO> imgOut = NewFileIO(m_outPath);
imgOut->beginWriteStream();
uint64_t filledSz = pb.m_baseOffset;
m_fileIO->beginWriteStream();
/* Assemble cleartext data partition into temporary file */
SystemString clearPath(m_outPath);
clearPath += _S(".cleardata");
m_fileIO = std::move(NewFileIO(clearPath));
if (!pb.buildFromDirectory(dirIn, dolIn, apploaderIn))
if (!CheckFreeSpace(m_outPath, DISC_CAPACITY))
{
LogModule.report(LogVisor::Error, _S("not enough free disk space for %s"), m_outPath);
return false;
}
/* Fakesign cleartext into output file */
filledSz = pb.cryptAndFakesign(*imgOut, filledSz, partHeadIn);
/* Assemble image */
filledSz = pb.buildFromDirectory(dirIn, dolIn, apploaderIn, partHeadIn);
if (filledSz >= DISC_CAPACITY)
{
LogModule.report(LogVisor::FatalError, "data partition exceeds disc capacity");
@ -795,21 +879,21 @@ bool DiscBuilderWii::buildFromDirectory(const SystemChar* dirIn, const SystemCha
m_progressCB(m_progressIdx, "Finishing Disc", -1);
/* Populate disc header */
std::unique_ptr<IFileIO::IWriteStream> ws = imgOut->beginWriteStream(0);
std::unique_ptr<IFileIO::IWriteStream> ws = m_fileIO->beginWriteStream(0);
Header header(pb.getGameID(), pb.getGameTitle().c_str(), true, 0, 0, 0);
header.write(*ws);
/* Populate partition info */
ws = imgOut->beginWriteStream(0x40000);
ws = m_fileIO->beginWriteStream(0x40000);
uint32_t vals[2] = {SBig(uint32_t(1)), SBig(uint32_t(0x40020 >> uint64_t(2)))};
ws->write(vals, 8);
ws = imgOut->beginWriteStream(0x40020);
vals[0] = SBig(uint32_t(0x200000 >> uint64_t(2)));
ws = m_fileIO->beginWriteStream(0x40020);
vals[0] = SBig(uint32_t(pb.m_baseOffset >> uint64_t(2)));
ws->write(vals, 4);
/* Populate region info */
ws = imgOut->beginWriteStream(0x4E000);
ws = m_fileIO->beginWriteStream(0x4E000);
const char* gameID = pb.getGameID();
if (gameID[3] == 'P')
vals[0] = SBig(uint32_t(2));
@ -820,27 +904,24 @@ bool DiscBuilderWii::buildFromDirectory(const SystemChar* dirIn, const SystemCha
ws->write(vals, 4);
/* Make disc unrated */
ws = imgOut->beginWriteStream(0x4E010);
ws = m_fileIO->beginWriteStream(0x4E010);
for (int i=0 ; i<16 ; ++i)
ws->write("\x80", 1);
/* Fill image to end */
ws = imgOut->beginWriteStream(filledSz);
ws = m_fileIO->beginWriteStream(filledSz);
for (size_t i=0 ; i<DISC_CAPACITY-filledSz ; ++i)
ws->write("\xff", 1);
/* Delete cleartext file */
Unlink(clearPath.c_str());
return true;
}
DiscBuilderWii::DiscBuilderWii(const SystemChar* outPath, const char gameID[6], const char* gameTitle, bool dualLayer,
std::function<void(size_t, const SystemString&, size_t)> progressCB)
: DiscBuilderBase(std::move(std::unique_ptr<IFileIO>()), progressCB), m_outPath(outPath), m_dualLayer(dualLayer)
: DiscBuilderBase(outPath, progressCB), m_dualLayer(dualLayer)
{
PartitionBuilderWii* partBuilder = new PartitionBuilderWii(*this, PartitionBuilderBase::Kind::Data,
gameID, gameTitle);
gameID, gameTitle, 0x200000);
m_partitions.emplace_back(partBuilder);
}