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nod/lib/DiscBase.cpp

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#include "nod/DiscBase.hpp"
#include <cerrno>
#include <cstddef>
#include <cstdint>
#include <memory>
#include <unordered_map>
#include "nod/DirectoryEnumerator.hpp"
#include "nod/IFileIO.hpp"
#include "nod/nod.hpp"
#include "nod/Util.hpp"
#ifndef _WIN32
#include <unistd.h>
#else
#include <logvisor/logvisor.hpp>
static void* memmem(const void* haystack, size_t hlen, const void* needle, size_t nlen) {
int needle_first;
const uint8_t* p = static_cast<const uint8_t*>(haystack);
size_t plen = hlen;
if (!nlen)
return NULL;
needle_first = *(unsigned char*)needle;
while (plen >= nlen && (p = static_cast<const uint8_t*>(memchr(p, needle_first, plen - nlen + 1)))) {
if (!memcmp(p, needle, nlen))
return (void*)p;
p++;
plen = hlen - (p - static_cast<const uint8_t*>(haystack));
}
return NULL;
}
#endif
#include <algorithm>
namespace nod {
const SystemChar* getKindString(PartitionKind kind) {
switch (kind) {
case PartitionKind::Data:
return _SYS_STR("DATA");
case PartitionKind::Update:
return _SYS_STR("UPDATE");
case PartitionKind::Channel:
return _SYS_STR("CHANNEL");
default:
return nullptr;
}
}
void IPartition::parseFST(IPartReadStream& s) {
std::unique_ptr<uint8_t[]> fst(new uint8_t[m_fstSz]);
s.seek(m_fstOff);
s.read(fst.get(), m_fstSz);
const FSTNode* nodes = (FSTNode*)fst.get();
/* Root node indicates the count of all contained nodes */
uint32_t nodeCount = nodes[0].getLength();
const char* names = (char*)fst.get() + 12 * nodeCount;
m_nodes.clear();
m_nodes.reserve(nodeCount);
/* Construct nodes */
for (uint32_t n = 0; n < nodeCount; ++n) {
const FSTNode& node = nodes[n];
m_nodes.emplace_back(*this, node, n ? names + node.getNameOffset() : "");
}
/* Setup dir-child iterators */
for (std::vector<Node>::iterator it = m_nodes.begin(); it != m_nodes.end(); ++it) {
Node& node = *it;
if (node.m_kind == Node::Kind::Directory) {
node.m_childrenBegin = it + 1;
node.m_childrenEnd = m_nodes.begin() + node.m_discLength;
}
}
}
void IPartition::parseDOL(IPartReadStream& s) {
/* Read Dol header */
DOLHeader dolHeader;
s.read(&dolHeader, sizeof(DOLHeader));
/* Calculate Dol size */
uint32_t dolSize = SBig(dolHeader.textOff[0]);
for (uint32_t i = 0; i < 7; i++)
dolSize += SBig(dolHeader.textSizes[i]);
for (uint32_t i = 0; i < 11; i++)
dolSize += SBig(dolHeader.dataSizes[i]);
m_dolSz = dolSize;
}
Node::Node(const IPartition& parent, const FSTNode& node, std::string_view name)
: m_parent(parent)
, m_kind(node.isDir() ? Kind::Directory : Kind::File)
, m_discOffset(parent.normalizeOffset(node.getOffset()))
, m_discLength(node.getLength())
, m_name(name) {}
std::unique_ptr<IPartReadStream> Node::beginReadStream(uint64_t offset) const {
if (m_kind != Kind::File) {
LogModule.report(logvisor::Error, fmt("unable to stream a non-file {}"), m_name);
return std::unique_ptr<IPartReadStream>();
}
return m_parent.beginReadStream(m_discOffset + offset);
}
std::unique_ptr<uint8_t[]> Node::getBuf() const {
if (m_kind != Kind::File) {
LogModule.report(logvisor::Error, fmt("unable to buffer a non-file {}"), m_name);
return nullptr;
}
auto buf = std::unique_ptr<uint8_t[]>(new uint8_t[m_discLength]);
beginReadStream()->read(buf.get(), m_discLength);
return buf;
}
bool Node::extractToDirectory(SystemStringView basePath, const ExtractionContext& ctx) const {
SystemStringConv nameView(getName());
SystemString path = SystemString(basePath) + _SYS_STR('/') + nameView.sys_str().data();
if (m_kind == Kind::Directory) {
++m_parent.m_curNodeIdx;
if (ctx.progressCB && !getName().empty())
ctx.progressCB(getName(), m_parent.m_curNodeIdx / float(m_parent.getNodeCount()));
if (Mkdir(path.c_str(), 0755) && errno != EEXIST) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to mkdir '{}'")), path);
return false;
}
for (Node& subnode : *this)
if (!subnode.extractToDirectory(path, ctx))
return false;
} else if (m_kind == Kind::File) {
Sstat theStat;
if (ctx.progressCB)
ctx.progressCB(getName(), m_parent.m_curNodeIdx / float(m_parent.getNodeCount()));
if (ctx.force || Stat(path.c_str(), &theStat)) {
std::unique_ptr<IPartReadStream> rs = beginReadStream();
std::unique_ptr<IFileIO::IWriteStream> ws = NewFileIO(path)->beginWriteStream();
if (!rs || !ws)
return false;
ws->copyFromDisc(*rs, m_discLength, [&](float prog) {
if (ctx.progressCB)
ctx.progressCB(getName(), (m_parent.m_curNodeIdx + prog) / float(m_parent.getNodeCount()));
});
}
++m_parent.m_curNodeIdx;
}
return true;
}
bool IPartition::extractToDirectory(SystemStringView path, const ExtractionContext& ctx) {
m_curNodeIdx = 0;
if (Mkdir(path.data(), 0755) && errno != EEXIST) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to mkdir '{}'")), path);
return false;
}
SystemString basePath = m_isWii ? SystemString(path) + _SYS_STR("/") + getKindString(m_kind) : SystemString(path);
if (m_isWii) {
if (Mkdir(basePath.c_str(), 0755) && errno != EEXIST) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to mkdir '{}'")), basePath);
return false;
}
}
/* Extract Disc Files */
if (!m_parent.extractDiscHeaderFiles(basePath, ctx))
return false;
/* Extract Crypto Files */
if (!extractCryptoFiles(basePath, ctx))
return false;
if (!extractSysFiles(basePath, ctx))
return false;
/* Extract Filesystem */
SystemString fsPath = basePath + _SYS_STR("/files");
if (Mkdir(fsPath.c_str(), 0755) && errno != EEXIST) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to mkdir '{}'")), fsPath);
return false;
}
return m_nodes[0].extractToDirectory(fsPath, ctx);
}
bool IPartition::extractSysFiles(SystemStringView basePath, const ExtractionContext& ctx) const {
SystemString basePathStr(basePath);
if (Mkdir((basePathStr + _SYS_STR("/sys")).c_str(), 0755) && errno != EEXIST) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to mkdir '{}/sys'")), basePath);
return false;
}
Sstat theStat;
/* Extract Apploader */
SystemString apploaderPath = basePathStr + _SYS_STR("/sys/apploader.img");
if (ctx.force || Stat(apploaderPath.c_str(), &theStat)) {
if (ctx.progressCB)
ctx.progressCB("apploader.bin", 0.f);
std::unique_ptr<uint8_t[]> buf = getApploaderBuf();
auto ws = NewFileIO(apploaderPath)->beginWriteStream();
if (!ws)
return false;
ws->write(buf.get(), m_apploaderSz);
}
/* Extract Dol */
SystemString dolPath = basePathStr + _SYS_STR("/sys/main.dol");
if (ctx.force || Stat(dolPath.c_str(), &theStat)) {
if (ctx.progressCB)
ctx.progressCB("main.dol", 0.f);
std::unique_ptr<uint8_t[]> buf = getDOLBuf();
auto ws = NewFileIO(dolPath)->beginWriteStream();
if (!ws)
return false;
ws->write(buf.get(), m_dolSz);
}
/* Extract Boot info */
SystemString bootPath = basePathStr + _SYS_STR("/sys/boot.bin");
if (ctx.force || Stat(bootPath.c_str(), &theStat)) {
if (ctx.progressCB)
ctx.progressCB("boot.bin", 0.f);
auto ws = NewFileIO(bootPath)->beginWriteStream();
if (!ws)
return false;
m_header.write(*ws.get());
}
/* Extract BI2 info */
SystemString bi2Path = basePathStr + _SYS_STR("/sys/bi2.bin");
if (ctx.force || Stat(bi2Path.c_str(), &theStat)) {
if (ctx.progressCB)
ctx.progressCB("bi2.bin", 0.f);
auto ws = NewFileIO(bi2Path)->beginWriteStream();
if (!ws)
return false;
m_bi2Header.write(*ws);
}
return true;
}
static bool IsSystemFile(SystemStringView name, bool& isDol) {
isDol = false;
if (name.size() < 4)
return false;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".dol"))) {
isDol = true;
return true;
}
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".rel")))
return true;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".rso")))
return true;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".sel")))
return true;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".bnr")))
return true;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".elf")))
return true;
if (!StrCaseCmp((&*(name.cend() - 4)), _SYS_STR(".wad")))
return true;
return false;
}
/** 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 void PatchDOL(std::unique_ptr<uint8_t[]>& buf, size_t sz, bool& patched) {
patched = false;
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';
patched = true;
}
}
static size_t PatchDOL(IFileIO::IReadStream& in, IPartWriteStream& out, size_t sz, bool& patched) {
std::unique_ptr<uint8_t[]> buf(new uint8_t[sz]);
sz = in.read(buf.get(), sz);
PatchDOL(buf, sz, patched);
return out.write(buf.get(), sz);
}
void DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodesPre(SystemStringView filesIn) {
DirectoryEnumerator dEnum(filesIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
if (e.m_isDir)
recursiveBuildNodesPre(e.m_path.c_str());
else
++m_parent.m_progressTotal;
}
}
bool DiscBuilderBase::PartitionBuilderBase::recursiveBuildNodes(IPartWriteStream& ws, bool system,
SystemStringView filesIn) {
DirectoryEnumerator dEnum(filesIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
if (e.m_isDir) {
if (!recursiveBuildNodes(ws, system, e.m_path.c_str()))
return false;
} else {
bool isDol;
bool isSys = IsSystemFile(e.m_name, isDol);
if (system ^ isSys)
continue;
size_t fileSz = ROUND_UP_32(e.m_fileSz);
uint64_t fileOff = userAllocate(fileSz, ws);
if (fileOff == UINT64_MAX)
return false;
m_fileOffsetsSizes[e.m_path] = std::make_pair(fileOff, fileSz);
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(e.m_path)->beginReadStream();
if (!rs)
return false;
size_t xferSz = 0;
if (isDol) {
bool patched;
xferSz = PatchDOL(*rs, ws, e.m_fileSz, patched);
m_parent.m_progressCB(m_parent.getProgressFactor(),
e.m_name + (patched ? _SYS_STR(" [PATCHED]") : _SYS_STR("")), xferSz);
++m_parent.m_progressIdx;
} else {
char buf[0x8000];
while (xferSz < e.m_fileSz) {
size_t rdSz = rs->read(buf, nod::min(size_t(0x8000ul), e.m_fileSz - xferSz));
if (!rdSz)
break;
ws.write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.getProgressFactorMidFile(xferSz, e.m_fileSz), e.m_name, xferSz);
}
++m_parent.m_progressIdx;
}
for (size_t i = 0; i < fileSz - xferSz; ++i)
ws.write("\xff", 1);
}
}
return true;
}
bool DiscBuilderBase::PartitionBuilderBase::recursiveBuildFST(SystemStringView filesIn,
std::function<void(void)> incParents,
size_t parentDirIdx) {
DirectoryEnumerator dEnum(filesIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
if (e.m_isDir) {
size_t dirNodeIdx = m_buildNodes.size();
m_buildNodes.emplace_back(true, m_buildNameOff, parentDirIdx, dirNodeIdx + 1);
addBuildName(e.m_name);
incParents();
if (!recursiveBuildFST(e.m_path.c_str(),
[&]() {
m_buildNodes[dirNodeIdx].incrementLength();
incParents();
},
dirNodeIdx))
return false;
} else {
std::pair<uint64_t, uint64_t> fileOffSz = m_fileOffsetsSizes.at(e.m_path);
m_buildNodes.emplace_back(false, m_buildNameOff, packOffset(fileOffSz.first), fileOffSz.second);
addBuildName(e.m_name);
incParents();
}
}
return true;
}
void DiscBuilderBase::PartitionBuilderBase::recursiveMergeNodesPre(const Node* nodeIn, SystemStringView dirIn) {
/* Build map of existing nodes to write-through later */
std::unordered_map<std::string, const Node*> fileNodes;
std::unordered_map<std::string, const Node*> dirNodes;
if (nodeIn) {
fileNodes.reserve(nodeIn->size());
dirNodes.reserve(nodeIn->size());
for (const Node& ch : *nodeIn) {
if (ch.getKind() == Node::Kind::File)
fileNodes.insert(std::make_pair(ch.getName(), &ch));
else if (ch.getKind() == Node::Kind::Directory)
dirNodes.insert(std::make_pair(ch.getName(), &ch));
}
}
/* Merge this directory's files */
if (!dirIn.empty()) {
DirectoryEnumerator dEnum(dirIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
SystemUTF8Conv nameView(e.m_name);
if (e.m_isDir) {
auto search = dirNodes.find(nameView.utf8_str().data());
if (search != dirNodes.cend()) {
recursiveMergeNodesPre(search->second, e.m_path.c_str());
dirNodes.erase(search);
} else {
recursiveMergeNodesPre(nullptr, e.m_path.c_str());
}
} else {
fileNodes.erase(nameView.utf8_str().data());
++m_parent.m_progressTotal;
}
}
}
/* Write-through remaining dir nodes */
for (const auto& p : dirNodes) {
recursiveMergeNodesPre(p.second, {});
}
/* Write-through remaining file nodes */
m_parent.m_progressTotal += fileNodes.size();
}
bool DiscBuilderBase::PartitionBuilderBase::recursiveMergeNodes(IPartWriteStream& ws, bool system, const Node* nodeIn,
SystemStringView dirIn, SystemStringView keyPath) {
/* Build map of existing nodes to write-through later */
std::unordered_map<std::string, const Node*> fileNodes;
std::unordered_map<std::string, const Node*> dirNodes;
if (nodeIn) {
fileNodes.reserve(nodeIn->size());
dirNodes.reserve(nodeIn->size());
for (const Node& ch : *nodeIn) {
if (ch.getKind() == Node::Kind::File)
fileNodes.insert(std::make_pair(ch.getName(), &ch));
else if (ch.getKind() == Node::Kind::Directory)
dirNodes.insert(std::make_pair(ch.getName(), &ch));
}
}
/* Merge this directory's files */
if (!dirIn.empty()) {
DirectoryEnumerator dEnum(dirIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
SystemUTF8Conv nameView(e.m_name);
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + e.m_name;
if (e.m_isDir) {
auto search = dirNodes.find(nameView.utf8_str().data());
if (search != dirNodes.cend()) {
if (!recursiveMergeNodes(ws, system, search->second, e.m_path.c_str(), chKeyPath))
return false;
dirNodes.erase(search);
} else {
if (!recursiveMergeNodes(ws, system, nullptr, e.m_path.c_str(), chKeyPath))
return false;
}
} else {
bool isDol;
bool isSys = IsSystemFile(e.m_name, isDol);
if (system ^ isSys)
continue;
fileNodes.erase(nameView.utf8_str().data());
size_t fileSz = ROUND_UP_32(e.m_fileSz);
uint64_t fileOff = userAllocate(fileSz, ws);
if (fileOff == UINT64_MAX)
return false;
m_fileOffsetsSizes[chKeyPath] = std::make_pair(fileOff, fileSz);
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(e.m_path)->beginReadStream();
if (!rs)
return false;
size_t xferSz = 0;
if (isDol) {
bool patched;
xferSz = PatchDOL(*rs, ws, e.m_fileSz, patched);
m_parent.m_progressCB(m_parent.getProgressFactor(),
e.m_name + (patched ? _SYS_STR(" [PATCHED]") : _SYS_STR("")), xferSz);
++m_parent.m_progressIdx;
} else {
char buf[0x8000];
while (xferSz < e.m_fileSz) {
size_t rdSz = rs->read(buf, nod::min(size_t(0x8000ul), e.m_fileSz - xferSz));
if (!rdSz)
break;
ws.write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.getProgressFactorMidFile(xferSz, e.m_fileSz), e.m_name, xferSz);
}
++m_parent.m_progressIdx;
}
for (size_t i = 0; i < fileSz - xferSz; ++i)
ws.write("\xff", 1);
}
}
}
/* Write-through remaining dir nodes */
for (const auto& p : dirNodes) {
SystemStringConv sysName(p.second->getName());
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + sysName.c_str();
if (!recursiveMergeNodes(ws, system, p.second, {}, chKeyPath))
return false;
}
/* Write-through remaining file nodes */
for (const auto& p : fileNodes) {
const Node& ch = *p.second;
SystemStringConv sysName(ch.getName());
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + sysName.c_str();
bool isDol;
bool isSys = IsSystemFile(sysName.sys_str(), isDol);
if (system ^ isSys)
continue;
size_t fileSz = ROUND_UP_32(ch.size());
uint64_t fileOff = userAllocate(fileSz, ws);
if (fileOff == UINT64_MAX)
return false;
m_fileOffsetsSizes[chKeyPath] = std::make_pair(fileOff, fileSz);
std::unique_ptr<IPartReadStream> rs = ch.beginReadStream();
if (!rs)
return false;
size_t xferSz = 0;
if (isDol) {
xferSz = ch.size();
std::unique_ptr<uint8_t[]> dolBuf = ch.getBuf();
bool patched;
PatchDOL(dolBuf, xferSz, patched);
ws.write(dolBuf.get(), xferSz);
m_parent.m_progressCB(m_parent.getProgressFactor(),
SystemString(sysName.sys_str()) + (patched ? _SYS_STR(" [PATCHED]") : _SYS_STR("")),
xferSz);
++m_parent.m_progressIdx;
} else {
char buf[0x8000];
while (xferSz < ch.size()) {
size_t rdSz = rs->read(buf, nod::min(size_t(0x8000), size_t(ch.size() - xferSz)));
if (!rdSz)
break;
ws.write(buf, rdSz);
xferSz += rdSz;
m_parent.m_progressCB(m_parent.getProgressFactorMidFile(xferSz, ch.size()), sysName.sys_str(), xferSz);
}
++m_parent.m_progressIdx;
}
for (size_t i = 0; i < fileSz - xferSz; ++i)
ws.write("\xff", 1);
}
return true;
}
bool DiscBuilderBase::PartitionBuilderBase::recursiveMergeFST(const Node* nodeIn, SystemStringView dirIn,
std::function<void(void)> incParents,
SystemStringView keyPath) {
/* Build map of existing nodes to write-through later */
std::unordered_map<std::string, const Node*> fileNodes;
std::unordered_map<std::string, const Node*> dirNodes;
if (nodeIn) {
fileNodes.reserve(nodeIn->size());
dirNodes.reserve(nodeIn->size());
for (const Node& ch : *nodeIn) {
if (ch.getKind() == Node::Kind::File)
fileNodes.insert(std::make_pair(ch.getName(), &ch));
else if (ch.getKind() == Node::Kind::Directory)
dirNodes.insert(std::make_pair(ch.getName(), &ch));
}
}
/* Merge this directory's files */
if (!dirIn.empty()) {
DirectoryEnumerator dEnum(dirIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
SystemUTF8Conv nameView(e.m_name);
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + e.m_name;
if (e.m_isDir) {
size_t dirNodeIdx = m_buildNodes.size();
m_buildNodes.emplace_back(true, m_buildNameOff, 0, dirNodeIdx + 1);
addBuildName(e.m_name);
incParents();
auto search = dirNodes.find(nameView.utf8_str().data());
if (search != dirNodes.cend()) {
if (!recursiveMergeFST(search->second, e.m_path.c_str(),
[&]() {
m_buildNodes[dirNodeIdx].incrementLength();
incParents();
},
chKeyPath))
return false;
dirNodes.erase(search);
} else {
if (!recursiveMergeFST(nullptr, e.m_path.c_str(),
[&]() {
m_buildNodes[dirNodeIdx].incrementLength();
incParents();
},
chKeyPath))
return false;
}
} else {
fileNodes.erase(nameView.utf8_str().data());
std::pair<uint64_t, uint64_t> fileOffSz = m_fileOffsetsSizes.at(chKeyPath);
m_buildNodes.emplace_back(false, m_buildNameOff, packOffset(fileOffSz.first), fileOffSz.second);
addBuildName(e.m_name);
incParents();
}
}
}
/* Write-through remaining dir nodes */
for (const auto& p : dirNodes) {
SystemStringConv sysName(p.second->getName());
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + sysName.sys_str().data();
size_t dirNodeIdx = m_buildNodes.size();
m_buildNodes.emplace_back(true, m_buildNameOff, 0, dirNodeIdx + 1);
addBuildName(sysName.sys_str());
incParents();
if (!recursiveMergeFST(p.second, {},
[&]() {
m_buildNodes[dirNodeIdx].incrementLength();
incParents();
},
chKeyPath))
return false;
}
/* Write-through remaining file nodes */
for (const auto& p : fileNodes) {
const Node& ch = *p.second;
SystemStringConv sysName(ch.getName());
SystemString chKeyPath = SystemString(keyPath) + _SYS_STR('/') + sysName.sys_str().data();
std::pair<uint64_t, uint64_t> fileOffSz = m_fileOffsetsSizes.at(chKeyPath);
m_buildNodes.emplace_back(false, m_buildNameOff, packOffset(fileOffSz.first), fileOffSz.second);
addBuildName(sysName.sys_str());
incParents();
}
return true;
}
bool DiscBuilderBase::PartitionBuilderBase::RecursiveCalculateTotalSize(uint64_t& totalSz, const Node* nodeIn,
SystemStringView dirIn) {
/* Build map of existing nodes to write-through later */
std::unordered_map<std::string, const Node*> fileNodes;
std::unordered_map<std::string, const Node*> dirNodes;
if (nodeIn) {
fileNodes.reserve(nodeIn->size());
dirNodes.reserve(nodeIn->size());
for (const Node& ch : *nodeIn) {
if (ch.getKind() == Node::Kind::File)
fileNodes.insert(std::make_pair(ch.getName(), &ch));
else if (ch.getKind() == Node::Kind::Directory)
dirNodes.insert(std::make_pair(ch.getName(), &ch));
}
}
/* Merge this directory's files */
if (!dirIn.empty()) {
DirectoryEnumerator dEnum(dirIn, DirectoryEnumerator::Mode::DirsThenFilesSorted, false, false, true);
for (const DirectoryEnumerator::Entry& e : dEnum) {
SystemUTF8Conv nameView(e.m_name);
if (e.m_isDir) {
auto search = dirNodes.find(nameView.utf8_str().data());
if (search != dirNodes.cend()) {
if (!RecursiveCalculateTotalSize(totalSz, search->second, e.m_path.c_str()))
return false;
dirNodes.erase(search);
} else {
if (!RecursiveCalculateTotalSize(totalSz, nullptr, e.m_path.c_str()))
return false;
}
} else {
fileNodes.erase(nameView.utf8_str().data());
totalSz += ROUND_UP_32(e.m_fileSz);
}
}
}
/* Write-through remaining dir nodes */
for (const auto& p : dirNodes) {
if (!RecursiveCalculateTotalSize(totalSz, p.second, {}))
return false;
}
/* Write-through remaining file nodes */
for (const auto& p : fileNodes) {
const Node& ch = *p.second;
totalSz += ROUND_UP_32(ch.size());
}
return true;
}
bool DiscBuilderBase::PartitionBuilderBase::buildFromDirectory(IPartWriteStream& ws, SystemStringView dirIn) {
if (dirIn.empty()) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("all arguments must be supplied to buildFromDirectory()")));
return false;
}
SystemString dirStr(dirIn);
SystemString basePath = m_isWii ? dirStr + _SYS_STR("/") + getKindString(m_kind) : dirStr;
SystemString dolIn = basePath + _SYS_STR("/sys/main.dol");
SystemString filesIn = basePath + _SYS_STR("/files");
/* 1st pass - Tally up total progress steps */
m_parent.m_progressTotal += 2; /* Prep and DOL */
recursiveBuildNodesPre(filesIn.c_str());
/* Clear file */
m_parent.m_progressCB(m_parent.getProgressFactor(), _SYS_STR("Preparing output image"), -1);
++m_parent.m_progressIdx;
/* Add root node */
m_buildNodes.emplace_back(true, m_buildNameOff, 0, 1);
addBuildName(_SYS_STR("<root>"));
/* Write Boot DOL first (first thing seeked to after Apploader) */
{
Sstat dolStat;
if (Stat(dolIn.c_str(), &dolStat)) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to stat {}")), dolIn);
return false;
}
size_t fileSz = ROUND_UP_32(dolStat.st_size);
uint64_t fileOff = userAllocate(fileSz, ws);
if (fileOff == UINT64_MAX)
return false;
m_dolOffset = fileOff;
m_dolSize = fileSz;
std::unique_ptr<IFileIO::IReadStream> rs = NewFileIO(dolIn.c_str())->beginReadStream();
if (!rs)
return false;
bool patched;
size_t xferSz = PatchDOL(*rs, ws, dolStat.st_size, patched);
m_parent.m_progressCB(m_parent.getProgressFactor(), dolIn + (patched ? _SYS_STR(" [PATCHED]") : _SYS_STR("")),
xferSz);
++m_parent.m_progressIdx;
for (size_t i = 0; i < fileSz - xferSz; ++i)
ws.write("\xff", 1);
}
/* Gather files in root directory */
if (!recursiveBuildNodes(ws, true, filesIn.c_str()))
return false;
if (!recursiveBuildNodes(ws, false, filesIn.c_str()))
return false;
if (!recursiveBuildFST(filesIn.c_str(), [&]() { m_buildNodes[0].incrementLength(); }, 0))
return false;
return true;
}
uint64_t DiscBuilderBase::PartitionBuilderBase::CalculateTotalSizeBuild(SystemStringView dirIn, PartitionKind kind,
bool isWii) {
SystemString dirStr(dirIn);
SystemString basePath = isWii ? dirStr + _SYS_STR("/") + getKindString(kind) : dirStr;
SystemString dolIn = basePath + _SYS_STR("/sys/main.dol");
SystemString filesIn = basePath + _SYS_STR("/files");
Sstat dolStat;
if (Stat(dolIn.c_str(), &dolStat)) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("unable to stat {}")), dolIn);
return UINT64_MAX;
}
uint64_t totalSz = ROUND_UP_32(dolStat.st_size);
if (!RecursiveCalculateTotalSize(totalSz, nullptr, filesIn.c_str()))
return UINT64_MAX;
return totalSz;
}
bool DiscBuilderBase::PartitionBuilderBase::mergeFromDirectory(IPartWriteStream& ws, const IPartition* partIn,
SystemStringView dirIn) {
if (dirIn.empty()) {
LogModule.report(logvisor::Error, fmt(_SYS_STR("all arguments must be supplied to mergeFromDirectory()")));
return false;
}
SystemString dirStr(dirIn);
SystemString basePath = m_isWii ? dirStr + _SYS_STR("/") + getKindString(m_kind) : dirStr;
SystemString filesIn = basePath + _SYS_STR("/files");
/* 1st pass - Tally up total progress steps */
m_parent.m_progressTotal += 2; /* Prep and DOL */
recursiveMergeNodesPre(&partIn->getFSTRoot(), filesIn.c_str());
/* Clear file */
m_parent.m_progressCB(m_parent.getProgressFactor(), _SYS_STR("Preparing output image"), -1);
++m_parent.m_progressIdx;
/* Add root node */
m_buildNodes.emplace_back(true, m_buildNameOff, 0, 1);
addBuildName(_SYS_STR("<root>"));
/* Write Boot DOL first (first thing seeked to after Apploader) */
{
size_t xferSz = partIn->getDOLSize();
size_t fileSz = ROUND_UP_32(xferSz);
uint64_t fileOff = userAllocate(fileSz, ws);
if (fileOff == UINT64_MAX)
return false;
m_dolOffset = fileOff;
m_dolSize = fileSz;
std::unique_ptr<uint8_t[]> dolBuf = partIn->getDOLBuf();
bool patched;
PatchDOL(dolBuf, xferSz, patched);
ws.write(dolBuf.get(), xferSz);
m_parent.m_progressCB(m_parent.getProgressFactor(),
SystemString(_SYS_STR("<boot-dol>")) + (patched ? _SYS_STR(" [PATCHED]") : _SYS_STR("")),
xferSz);
++m_parent.m_progressIdx;
for (size_t i = 0; i < fileSz - xferSz; ++i)
ws.write("\xff", 1);
}
/* Gather files in root directory */
SystemString keyPath;
if (!recursiveMergeNodes(ws, true, &partIn->getFSTRoot(), filesIn.c_str(), keyPath))
return false;
if (!recursiveMergeNodes(ws, false, &partIn->getFSTRoot(), filesIn.c_str(), keyPath))
return false;
if (!recursiveMergeFST(&partIn->getFSTRoot(), filesIn.c_str(), [&]() { m_buildNodes[0].incrementLength(); }, keyPath))
return false;
return true;
}
uint64_t DiscBuilderBase::PartitionBuilderBase::CalculateTotalSizeMerge(const IPartition* partIn,
SystemStringView dirIn) {
SystemString dirStr(dirIn);
SystemString basePath = partIn->isWii() ? dirStr + _SYS_STR("/") + getKindString(partIn->getKind()) : dirStr;
SystemString filesIn = basePath + _SYS_STR("/files");
uint64_t totalSz = ROUND_UP_32(partIn->getDOLSize());
if (!RecursiveCalculateTotalSize(totalSz, &partIn->getFSTRoot(), filesIn.c_str()))
return UINT64_MAX;
return totalSz;
}
} // namespace nod
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