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@ -19,11 +19,32 @@ namespace Loader {
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/**
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* Identifies the type of a bootable file
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* @param filename String filename of bootable file
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* @todo (ShizZy) this function sucks... make it actually check file contents etc.
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* @param file open file
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* @return FileType of file
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*/
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FileType IdentifyFile(const std::string &filename) {
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static FileType IdentifyFile(FileUtil::IOFile& file) {
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FileType type;
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#define CHECK_TYPE(loader) \
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type = AppLoader_##loader::IdentifyType(file); \
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if (FileType::Error != type) \
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return type;
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CHECK_TYPE(THREEDSX)
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CHECK_TYPE(ELF)
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CHECK_TYPE(NCCH)
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#undef CHECK_TYPE
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return FileType::Unknown;
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}
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/**
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* Guess the type of a bootable file from its extension
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* @param filename String filename of bootable file
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* @return FileType of file
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*/
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static FileType GuessFromFilename(const std::string& filename) {
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if (filename.size() == 0) {
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LOG_ERROR(Loader, "invalid filename %s", filename.c_str());
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return FileType::Error;
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@ -34,22 +55,20 @@ FileType IdentifyFile(const std::string &filename) {
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return FileType::Unknown;
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std::string extension = Common::ToLower(filename.substr(extension_loc));
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// TODO(bunnei): Do actual filetype checking instead of naively checking the extension
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if (extension == ".elf") {
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if (extension == ".elf")
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return FileType::ELF;
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} else if (extension == ".axf") {
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else if (extension == ".axf")
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return FileType::ELF;
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} else if (extension == ".cxi") {
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else if (extension == ".cxi")
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return FileType::CXI;
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} else if (extension == ".cci") {
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else if (extension == ".cci")
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return FileType::CCI;
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} else if (extension == ".bin") {
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else if (extension == ".bin")
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return FileType::BIN;
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} else if (extension == ".3ds") {
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else if (extension == ".3ds")
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return FileType::CCI;
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} else if (extension == ".3dsx") {
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else if (extension == ".3dsx")
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return FileType::THREEDSX;
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}
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return FileType::Unknown;
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}
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@ -60,7 +79,16 @@ ResultStatus LoadFile(const std::string& filename) {
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if (!file->IsOpen())
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return ResultStatus::Error;
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switch (IdentifyFile(filename)) {
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FileType type = IdentifyFile(*file);
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FileType filename_type = GuessFromFilename(filename);
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if (type != filename_type) {
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LOG_WARNING(Loader, "File %s has a different type than its extension.", filename.c_str());
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if (FileType::Unknown == type)
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type = filename_type;
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}
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switch (type) {
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//3DSX file format...
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case FileType::THREEDSX:
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@ -72,7 +100,8 @@ ResultStatus LoadFile(const std::string& filename) {
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// NCCH/NCSD container formats...
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case FileType::CXI:
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case FileType::CCI: {
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case FileType::CCI:
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{
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AppLoader_NCCH app_loader(std::move(file));
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// Load application and RomFS
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@ -100,10 +129,11 @@ ResultStatus LoadFile(const std::string& filename) {
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// IdentifyFile could know identify file type...
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case FileType::Unknown:
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default:
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{
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LOG_CRITICAL(Loader, "File %s is of unknown type.");
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return ResultStatus::ErrorInvalidFormat;
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}
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}
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return ResultStatus::Error;
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}
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