diff options
Diffstat (limited to 'src/core/file_sys/disk_archive.cpp')
-rw-r--r-- | src/core/file_sys/disk_archive.cpp | 150 |
1 files changed, 2 insertions, 148 deletions
diff --git a/src/core/file_sys/disk_archive.cpp b/src/core/file_sys/disk_archive.cpp index 2f05af361..a243d9a13 100644 --- a/src/core/file_sys/disk_archive.cpp +++ b/src/core/file_sys/disk_archive.cpp @@ -15,144 +15,8 @@ namespace FileSys { -ResultVal<std::unique_ptr<FileBackend>> DiskArchive::OpenFile(const Path& path, - const Mode mode) const { - LOG_DEBUG(Service_FS, "called path=%s mode=%01X", path.DebugStr().c_str(), mode.hex); - auto file = std::make_unique<DiskFile>(*this, path, mode); - ResultCode result = file->Open(); - if (result.IsError()) - return result; - return MakeResult<std::unique_ptr<FileBackend>>(std::move(file)); -} - -ResultCode DiskArchive::DeleteFile(const Path& path) const { - std::string file_path = mount_point + path.AsString(); - - if (FileUtil::IsDirectory(file_path)) - return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, - ErrorLevel::Status); - - if (!FileUtil::Exists(file_path)) - return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound, - ErrorLevel::Status); - - if (FileUtil::Delete(file_path)) - return RESULT_SUCCESS; - - return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, - ErrorLevel::Status); -} - -bool DiskArchive::RenameFile(const Path& src_path, const Path& dest_path) const { - return FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()); -} - -bool DiskArchive::DeleteDirectory(const Path& path) const { - return FileUtil::DeleteDir(mount_point + path.AsString()); -} - -bool DiskArchive::DeleteDirectoryRecursively(const Path& path) const { - return FileUtil::DeleteDirRecursively(mount_point + path.AsString()); -} - -ResultCode DiskArchive::CreateFile(const FileSys::Path& path, u64 size) const { - std::string full_path = mount_point + path.AsString(); - - if (FileUtil::IsDirectory(full_path)) - return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, - ErrorLevel::Status); - - if (FileUtil::Exists(full_path)) - return ResultCode(ErrorDescription::FS_AlreadyExists, ErrorModule::FS, - ErrorSummary::NothingHappened, ErrorLevel::Status); - - if (size == 0) { - FileUtil::CreateEmptyFile(full_path); - return RESULT_SUCCESS; - } - - FileUtil::IOFile file(full_path, "wb"); - // Creates a sparse file (or a normal file on filesystems without the concept of sparse files) - // We do this by seeking to the right size, then writing a single null byte. - if (file.Seek(size - 1, SEEK_SET) && file.WriteBytes("", 1) == 1) - return RESULT_SUCCESS; - - return ResultCode(ErrorDescription::TooLarge, ErrorModule::FS, ErrorSummary::OutOfResource, - ErrorLevel::Info); -} - -bool DiskArchive::CreateDirectory(const Path& path) const { - return FileUtil::CreateDir(mount_point + path.AsString()); -} - -bool DiskArchive::RenameDirectory(const Path& src_path, const Path& dest_path) const { - return FileUtil::Rename(mount_point + src_path.AsString(), mount_point + dest_path.AsString()); -} - -std::unique_ptr<DirectoryBackend> DiskArchive::OpenDirectory(const Path& path) const { - LOG_DEBUG(Service_FS, "called path=%s", path.DebugStr().c_str()); - auto directory = std::make_unique<DiskDirectory>(*this, path); - if (!directory->Open()) - return nullptr; - return std::move(directory); -} - -u64 DiskArchive::GetFreeBytes() const { - // TODO: Stubbed to return 1GiB - return 1024 * 1024 * 1024; -} - -//////////////////////////////////////////////////////////////////////////////////////////////////// - -DiskFile::DiskFile(const DiskArchive& archive, const Path& path, const Mode mode) { - // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass - // the root directory we set while opening the archive. - // For example, opening /../../etc/passwd can give the emulated program your users list. - this->path = archive.mount_point + path.AsString(); - this->mode.hex = mode.hex; -} - -ResultCode DiskFile::Open() { - if (FileUtil::IsDirectory(path)) - return ResultCode(ErrorDescription::FS_NotAFile, ErrorModule::FS, ErrorSummary::Canceled, - ErrorLevel::Status); - - // Specifying only the Create flag is invalid - if (mode.create_flag && !mode.read_flag && !mode.write_flag) { - return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, - ErrorSummary::Canceled, ErrorLevel::Status); - } - - if (!FileUtil::Exists(path)) { - if (!mode.create_flag) { - LOG_ERROR(Service_FS, "Non-existing file %s can't be open without mode create.", - path.c_str()); - return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, - ErrorSummary::NotFound, ErrorLevel::Status); - } else { - // Create the file - FileUtil::CreateEmptyFile(path); - } - } - - std::string mode_string = ""; - if (mode.write_flag) - mode_string += "r+"; // Files opened with Write access can be read from - else if (mode.read_flag) - mode_string += "r"; - - // Open the file in binary mode, to avoid problems with CR/LF on Windows systems - mode_string += "b"; - - file = std::make_unique<FileUtil::IOFile>(path, mode_string.c_str()); - if (file->IsOpen()) - return RESULT_SUCCESS; - return ResultCode(ErrorDescription::FS_NotFound, ErrorModule::FS, ErrorSummary::NotFound, - ErrorLevel::Status); -} - ResultVal<size_t> DiskFile::Read(const u64 offset, const size_t length, u8* buffer) const { - if (!mode.read_flag && !mode.write_flag) + if (!mode.read_flag) return ResultCode(ErrorDescription::FS_InvalidOpenFlags, ErrorModule::FS, ErrorSummary::Canceled, ErrorLevel::Status); @@ -189,21 +53,11 @@ bool DiskFile::Close() const { //////////////////////////////////////////////////////////////////////////////////////////////////// -DiskDirectory::DiskDirectory(const DiskArchive& archive, const Path& path) : directory() { - // TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass - // the root directory we set while opening the archive. - // For example, opening /../../usr/bin can give the emulated program your installed programs. - this->path = archive.mount_point + path.AsString(); -} - -bool DiskDirectory::Open() { - if (!FileUtil::IsDirectory(path)) - return false; +DiskDirectory::DiskDirectory(const std::string& path) : directory() { unsigned size = FileUtil::ScanDirectoryTree(path, directory); directory.size = size; directory.isDirectory = true; children_iterator = directory.children.begin(); - return true; } u32 DiskDirectory::Read(const u32 count, Entry* entries) { |