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@ -19,26 +19,36 @@ File_SDMC::File_SDMC(const Archive_SDMC* archive, const std::string& path, const
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// TODO(Link Mauve): normalize path into an absolute path without "..", it can currently bypass
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// the root directory we set while opening the archive.
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// For example, opening /../../etc/passwd can give the emulated program your users list.
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std::string real_path = archive->GetMountPoint() + path;
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if (!mode.create_flag && !FileUtil::Exists(real_path)) {
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file = nullptr;
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return;
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}
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std::string mode_string;
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if (mode.read_flag)
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mode_string += "r";
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if (mode.write_flag)
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mode_string += "w";
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file = new FileUtil::IOFile(real_path, mode_string.c_str());
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this->path = archive->GetMountPoint() + path;
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this->mode.hex = mode.hex;
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}
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File_SDMC::~File_SDMC() {
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Close();
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}
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/**
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* Open the file
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* @return true if the file opened correctly
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*/
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bool File_SDMC::Open() {
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if (!mode.create_flag && !FileUtil::Exists(path)) {
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ERROR_LOG(FILESYS, "Non-existing file %s can’t be open without mode create.", path.c_str());
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return false;
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}
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std::string mode_string;
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if (mode.read_flag && mode.write_flag)
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mode_string = "w+";
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else if (mode.read_flag)
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mode_string = "r";
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else if (mode.write_flag)
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mode_string = "w";
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file = new FileUtil::IOFile(path, mode_string.c_str());
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return true;
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}
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/**
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* Read data from the file
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* @param offset Offset in bytes to start reading data from
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