mirror of
https://github.com/jakcron/nstool
synced 2024-11-15 10:16:42 +00:00
290 lines
No EOL
7.2 KiB
C++
290 lines
No EOL
7.2 KiB
C++
#include <iostream>
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#include <iomanip>
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#include <fnd/SimpleTextOutput.h>
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#include <fnd/SimpleFile.h>
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#include <fnd/io.h>
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#include "RomfsProcess.h"
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RomfsProcess::RomfsProcess() :
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mFile(),
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mCliOutputMode(_BIT(OUTPUT_BASIC)),
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mVerify(false),
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mExtractPath(),
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mExtract(false),
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mMountName(),
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mListFs(false),
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mDirNum(0),
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mFileNum(0)
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{
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mRootDir.name.clear();
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mRootDir.dir_list.clear();
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mRootDir.file_list.clear();
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}
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void RomfsProcess::process()
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{
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resolveRomfs();
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if (_HAS_BIT(mCliOutputMode, OUTPUT_BASIC))
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{
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displayHeader();
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if (mListFs || _HAS_BIT(mCliOutputMode, OUTPUT_EXTENDED))
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displayFs();
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}
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if (mExtract)
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extractFs();
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}
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void RomfsProcess::setInputFile(const fnd::SharedPtr<fnd::IFile>& file)
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{
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mFile = file;
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}
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void RomfsProcess::setCliOutputMode(CliOutputMode type)
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{
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mCliOutputMode = type;
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}
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void RomfsProcess::setVerifyMode(bool verify)
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{
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mVerify = verify;
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}
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void RomfsProcess::setMountPointName(const std::string& mount_name)
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{
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mMountName = mount_name;
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}
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void RomfsProcess::setExtractPath(const std::string& path)
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{
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mExtract = true;
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mExtractPath = path;
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}
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void RomfsProcess::setListFs(bool list_fs)
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{
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mListFs = list_fs;
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}
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const RomfsProcess::sDirectory& RomfsProcess::getRootDir() const
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{
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return mRootDir;
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}
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void RomfsProcess::printTab(size_t tab) const
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{
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for (size_t i = 0; i < tab; i++)
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{
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std::cout << " ";
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}
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}
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void RomfsProcess::displayFile(const sFile& file, size_t tab) const
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{
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printTab(tab);
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std::cout << file.name;
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if (_HAS_BIT(mCliOutputMode, OUTPUT_LAYOUT))
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{
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std::cout << std::hex << " (offset=0x" << file.offset << ", size=0x" << file.size << ")";
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}
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std::cout << std::endl;
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}
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void RomfsProcess::displayDir(const sDirectory& dir, size_t tab) const
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{
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if (dir.name.empty() == false)
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{
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printTab(tab);
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std::cout << dir.name << std::endl;
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}
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for (size_t i = 0; i < dir.dir_list.size(); i++)
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{
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displayDir(dir.dir_list[i], tab+1);
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}
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for (size_t i = 0; i < dir.file_list.size(); i++)
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{
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displayFile(dir.file_list[i], tab+1);
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}
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}
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void RomfsProcess::displayHeader()
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{
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std::cout << "[RomFS]" << std::endl;
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std::cout << " DirNum: " << std::dec << mDirNum << std::endl;
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std::cout << " FileNum: " << std::dec << mFileNum << std::endl;
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if (mMountName.empty() == false)
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{
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std::cout << " MountPoint: " << mMountName;
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if (mMountName.at(mMountName.length()-1) != '/')
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std::cout << "/";
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std::cout << std::endl;
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}
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}
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void RomfsProcess::displayFs()
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{
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displayDir(mRootDir, 1);
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}
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void RomfsProcess::extractDir(const std::string& path, const sDirectory& dir)
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{
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std::string dir_path;
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std::string file_path;
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// make dir path
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fnd::io::appendToPath(dir_path, path);
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if (dir.name.empty() == false)
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fnd::io::appendToPath(dir_path, dir.name);
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// make directory
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fnd::io::makeDirectory(dir_path);
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// extract files
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fnd::SimpleFile outFile;
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for (size_t i = 0; i < dir.file_list.size(); i++)
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{
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file_path.clear();
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fnd::io::appendToPath(file_path, dir_path);
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fnd::io::appendToPath(file_path, dir.file_list[i].name);
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if (_HAS_BIT(mCliOutputMode, OUTPUT_BASIC))
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std::cout << "extract=[" << file_path << "]" << std::endl;
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outFile.open(file_path, outFile.Create);
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(*mFile)->seek(dir.file_list[i].offset);
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for (size_t j = 0; j < ((dir.file_list[i].size / kCacheSize) + ((dir.file_list[i].size % kCacheSize) != 0)); j++)
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{
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(*mFile)->read(mCache.data(), _MIN(dir.file_list[i].size - (kCacheSize * j),kCacheSize));
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outFile.write(mCache.data(), _MIN(dir.file_list[i].size - (kCacheSize * j),kCacheSize));
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}
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outFile.close();
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}
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for (size_t i = 0; i < dir.dir_list.size(); i++)
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{
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extractDir(dir_path, dir.dir_list[i]);
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}
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}
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void RomfsProcess::extractFs()
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{
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// allocate only when extractDir is invoked
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mCache.alloc(kCacheSize);
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extractDir(mExtractPath, mRootDir);
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}
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bool RomfsProcess::validateHeaderLayout(const nn::hac::sRomfsHeader* hdr) const
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{
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bool validLayout = true;
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if (hdr->header_size.get() != sizeof(nn::hac::sRomfsHeader))
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{
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validLayout = false;
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}
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uint64_t pos = hdr->sections[0].offset.get();
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for (size_t i = 0; i < nn::hac::romfs::SECTION_NUM; i++)
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{
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if (hdr->sections[i].offset.get() != pos)
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{
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validLayout = false;
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}
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pos += hdr->sections[i].size.get();
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}
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return validLayout;
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}
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void RomfsProcess::importDirectory(uint32_t dir_offset, sDirectory& dir)
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{
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nn::hac::sRomfsDirEntry* d_node = get_dir_node(dir_offset);
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/*
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printf("[DIR-NODE]\n");
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printf(" parent=%08x\n", d_node->parent.get());
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printf(" sibling=%08x\n", d_node->sibling.get());
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printf(" child=%08x\n", d_node->child.get());
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printf(" file=%08x\n", d_node->file.get());
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printf(" hash=%08x\n", d_node->hash.get());
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printf(" name_size=%08x\n", d_node->name_size.get());
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printf(" name=%s\n", d_node->name);
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*/
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for (uint32_t file_addr = d_node->file.get(); file_addr != nn::hac::romfs::kInvalidAddr; )
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{
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nn::hac::sRomfsFileEntry* f_node = get_file_node(file_addr);
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/*
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printf("[FILE-NODE]\n");
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printf(" parent=%08x\n", f_node->parent.get());
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printf(" sibling=%08x\n", f_node->sibling.get());
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printf(" offset=%08" PRIx64 "\n", f_node->offset.get());
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printf(" size=%08" PRIx64 "\n", f_node->size.get());
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printf(" hash=%08x\n", f_node->hash.get());
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printf(" name_size=%08x\n", f_node->name_size.get());
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printf(" name=%s\n", f_node->name);
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*/
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dir.file_list.addElement({std::string(f_node->name(), f_node->name_size.get()), mHdr.data_offset.get() + f_node->offset.get(), f_node->size.get()});
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file_addr = f_node->sibling.get();
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mFileNum++;
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}
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for (uint32_t child_addr = d_node->child.get(); child_addr != nn::hac::romfs::kInvalidAddr; )
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{
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nn::hac::sRomfsDirEntry* c_node = get_dir_node(child_addr);
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dir.dir_list.addElement({std::string(c_node->name(), c_node->name_size.get())});
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importDirectory(child_addr, dir.dir_list.atBack());
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child_addr = c_node->sibling.get();
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mDirNum++;
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}
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}
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void RomfsProcess::resolveRomfs()
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{
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if (*mFile == nullptr)
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{
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throw fnd::Exception(kModuleName, "No file reader set.");
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}
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// read header
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(*mFile)->read((byte_t*)&mHdr, 0, sizeof(nn::hac::sRomfsHeader));
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// logic check on the header layout
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if (validateHeaderLayout(&mHdr) == false)
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{
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throw fnd::Exception(kModuleName, "Invalid ROMFS Header");
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}
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// read directory nodes
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mDirNodes.alloc(mHdr.sections[nn::hac::romfs::DIR_NODE_TABLE].size.get());
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(*mFile)->read(mDirNodes.data(), mHdr.sections[nn::hac::romfs::DIR_NODE_TABLE].offset.get(), mDirNodes.size());
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//printf("[RAW DIR NODES]\n");
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//fnd::SimpleTextOutput::hxdStyleDump(mDirNodes.data(), mDirNodes.size());
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// read file nodes
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mFileNodes.alloc(mHdr.sections[nn::hac::romfs::FILE_NODE_TABLE].size.get());
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(*mFile)->read(mFileNodes.data(), mHdr.sections[nn::hac::romfs::FILE_NODE_TABLE].offset.get(), mFileNodes.size());
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//printf("[RAW FILE NODES]\n");
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//fnd::SimpleTextOutput::hxdStyleDump(mFileNodes.data(), mFileNodes.size());
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// A logic check on the root directory node
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if ( get_dir_node(0)->parent.get() != 0 \
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|| get_dir_node(0)->sibling.get() != nn::hac::romfs::kInvalidAddr \
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|| get_dir_node(0)->hash.get() != nn::hac::romfs::kInvalidAddr \
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|| get_dir_node(0)->name_size.get() != 0)
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{
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throw fnd::Exception(kModuleName, "Invalid root directory node");
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}
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// import directory into internal structure
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mDirNum = 0;
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mFileNum = 0;
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importDirectory(0, mRootDir);
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} |