106 lines
4.3 KiB
C#
106 lines
4.3 KiB
C#
/******************************************************************************/
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/* SlunkCrypt, by LoRd_MuldeR <MuldeR2@GMX.de> */
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/* This work has been released under the CC0 1.0 Universal license! */
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/******************************************************************************/
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using System;
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using System.Diagnostics;
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using System.IO;
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using com.muldersoft.slunkcrypt.gui.utils;
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namespace com.muldersoft.slunkcrypt.gui.process
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{
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static class ExecutableHelper
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{
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private const string FILENAME_FORMAT = "slunkcrypt-cli-{0}.exe";
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// =============================================================================
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// Exception classes
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// =============================================================================
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public class ExecutableNotFoundException : FileNotFoundException
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{
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public ExecutableNotFoundException(string message, string fileName) : base(message, fileName)
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{
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}
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}
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// =============================================================================
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// Public methods
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// =============================================================================
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public static FileStream GetExecutableFile()
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{
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FileStream executableFile = null;
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string appBaseDirectory = AppDomain.CurrentDomain.BaseDirectory;
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CPUFeatures cpuFeatures = CPUFeatures.Features;
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if (cpuFeatures.cpuArch.Equals(CPUFeatures.CPUArch.a64))
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{
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if (CheckExecutableFile(ref executableFile, appBaseDirectory, "arm64"))
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{
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Trace.Assert(executableFile != null);
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return executableFile;
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}
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}
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if (cpuFeatures.cpuArch.Equals(CPUFeatures.CPUArch.x64))
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{
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if (cpuFeatures.hasAVX2 && CheckExecutableFile(ref executableFile, appBaseDirectory, "avx2"))
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{
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Trace.Assert(executableFile != null);
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return executableFile;
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}
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if (CheckExecutableFile(ref executableFile, appBaseDirectory, "x64"))
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{
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Trace.Assert(executableFile != null);
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return executableFile;
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}
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}
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if (cpuFeatures.hasSSE2 && CheckExecutableFile(ref executableFile, appBaseDirectory, "sse2"))
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{
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Trace.Assert(executableFile != null);
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return executableFile;
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}
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if (CheckExecutableFile(ref executableFile, appBaseDirectory, "i686"))
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{
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Trace.Assert(executableFile != null);
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return executableFile;
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}
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throw new ExecutableNotFoundException("SlunkCrypt executable file not found!", FILENAME_FORMAT);
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}
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// =============================================================================
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// Internal methods
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// =============================================================================
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private static bool CheckExecutableFile(ref FileStream executableFile, string appBaseDirectory, string suffix)
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{
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bool success = false;
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try
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{
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executableFile = new FileStream(Path.Combine(appBaseDirectory, String.Format(FILENAME_FORMAT, suffix)), FileMode.Open, FileAccess.Read, FileShare.Read);
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try
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{
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Version appVersion = VersionInfo.Version;
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FileVersionInfo fileVersion = FileVersionInfo.GetVersionInfo(executableFile.Name);
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if (string.Equals(fileVersion.FileDescription, "SlunkCrypt", StringComparison.OrdinalIgnoreCase) &&
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string.Equals(fileVersion.CompanyName, "Muldersoft", StringComparison.OrdinalIgnoreCase) &&
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(fileVersion.FileMajorPart == appVersion.Major) && (fileVersion.FileMinorPart == appVersion.Minor))
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{
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success = true;
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}
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}
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finally
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{
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if (!success)
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{
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executableFile.Dispose(); /*clean-up*/
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}
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}
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}
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catch { }
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return success;
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}
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}
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}
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