ExeAnalyser.java

/*
 * Copyright (C) 2015-2017 PÂRIS Quentin
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along
 * with this program; if not, write to the Free Software Foundation, Inc.,
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

package org.phoenicis.tools.win32;

import org.phoenicis.win32.pe.PEFile;
import org.phoenicis.win32.pe.PEReader;

import java.io.File;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStream;

public class ExeAnalyser {
    private final PEReader peReader;

    public ExeAnalyser(PEReader peReader) {
        this.peReader = peReader;
    }

    /**
     * Checks if the file is a 64bits executable
     * 
     * @param file
     *            the file to analyse
     * @return true if the file is a 64bit executable. False otherwise
     */
    public boolean is64Bits(File file) throws IOException {
        return isArchitecture(file, PEFile.Architecture.AMD64);
    }

    /**
     * Checks if the file is a 32bits executable
     * 
     * @param file
     *            the file to analyse
     * @return true if the file is a 32bit executable. False otherwise
     */
    public boolean is32Bits(File file) throws IOException {
        return isArchitecture(file, PEFile.Architecture.I386);
    }

    private boolean isArchitecture(File file, PEFile.Architecture architecture) throws IOException {
        try (InputStream inputStream = new FileInputStream(file)) {
            final PEFile peFile = peReader.parseExecutable(inputStream);
            return peFile.getArchitecture() == architecture;
        }
    }
}