public static void RunAssistant()
        {
#if !MONO && !NET35
            var file = @".\hr";

            var showDialog =
                !Environment.GetCommandLineArgs().Any(x => x == "-l") &&
                !File.Exists(file);

            File.Create(file).Close();

            if (showDialog)
            {
                if (MessageBox.Show(@"It seems this is the first time PHP " +
                                    "Vulnerability Hunter has been run on this system. " +
                                    "Would you like to use the launcher instead of the command line " +
                                    "interface?", "Run Launcher",
                                    MessageBoxButtons.YesNo) == DialogResult.Yes)
                {
                    var guiFile = "phpvh-gui.exe";

                    if (!File.Exists(guiFile))
                    {
                        ScannerCli.DisplayError(string.Format("Could not find launcher {0}", guiFile));
                        Environment.Exit(6);
                    }

                    Process.Start(guiFile);
                    Environment.Exit(0);
                }
            }
#endif
        }
Beispiel #2
0
        static void RunSelfTest()
        {
            ServiceLocator.Default.Register(Config);
            var selfTestExe = PathHelper.GetExecutingPath("PhpVH.SelfTest.exe");

            if (!File.Exists(selfTestExe))
            {
                ScannerCli.DisplayCriticalMessageAndExit("Could not find self test EXE {0}.", selfTestExe);
            }

            AppDomain.CurrentDomain.ExecuteAssembly(selfTestExe);
            //ServiceLocator.Default.Resolve<List<TestResult>>
        }
Beispiel #3
0
        static void Main(string[] args)
        {
#if !DEBUG
            try
            {
                Main2(args);
            }
            catch (System.Exception ex)
            {
                ScannerCli.DisplayError(string.Format("\r\nFatal error: {0}\r\n\r\n{1}", ex.Message, ex));
            }
#else
            Main2(args);
#endif
        }
        public void CreateHandlerFile()
        {
            var hookFileText = new StringBuilder("<?php ");

            foreach (Hook h in this)
            {
                hookFileText.AppendLine(h.ReplacementFunction);
            }

            if (!Program.Config.HookSuperglobals)
            {
                hookFileText.AppendLine(PhpResource.Load("PhpApiOverrides"));
                hookFileText.AppendLine(PhpResource.Load("SuperGlobalOverride"));
            }

            if (Program.Config.DynamicScan)
            {
                hookFileText.AppendLine(PhpResource.Load("DynamicProbes"));
            }

            if (!Program.Config.CodeCoverageNone)
            {
                hookFileText.AppendLine(PhpResource.Load("Annotation"));
            }

            hookFileText.Append(" ?>");

            var hookFile = Program.Config.WebRoot + "\\" + Hook.HookFileName;

            try
            {
                File.WriteAllText(hookFile, hookFileText.ToString());
            }
            catch (UnauthorizedAccessException)
            {
                ScannerCli.DisplayError(string.Format("\r\nError writing hook file to {0}", hookFile));

                Environment.Exit(3);
            }
        }
        private bool CreateBackup(FileInfo file)
        {
            var backup = new FileInfo(file.FullName + ".phpvhbackup");

            try
            {
                if (backup.Exists)
                {
                    backup.CopyTo(file.FullName, true);
                }
                else
                {
                    file.CopyTo(file.FullName + ".phpvhbackup", true);
                }
            }
            catch (UnauthorizedAccessException ex)
            {
                ScannerCli.DisplayError(string.Format("\r\n\r\nError hooking file\r\n{0}\r\n", ex.Message));

                return(false);
            }

            return(true);
        }
Beispiel #6
0
        static void Main2(string[] args)
        {
            Cli.UseTrace    = true;
            Trace.AutoFlush = true;
            Trace.Listeners.Add(new ConsoleTraceListener());

            if (!args.Any(x => x == "-l"))
            {
                ScannerCli.RunAssistant();
            }

            ScannerCli.DisplayAppInfo();

            if (args.Length == 0)
            {
                ScannerCli.DisplayInstructions();

                Exit();
            }

            Config = ScanConfig.Parse(args);

            if (Config.TestMode)
            {
                RunSelfTest();
                return;
            }

            var versionTester = new PhpVersionTester(Config);

            versionTester.CheckVersion();
            Cli.WriteLine();

            ExeProbe.Copy();

            TraceFileName = Config.WebRoot + @"\trace.txt";

            foreach (string RelativeAppPath in Config.ApplicationPaths)
            {
                string filePath = Config.WebRoot + "\\" + RelativeAppPath.Replace('/', '\\');

                if (!Directory.Exists(filePath))
                {
                    ScannerCli.DisplayCriticalMessage("Application path {0} not found.", filePath);

                    Exit();
                }

                if (Config.Repair || new DirectoryInfo(filePath)
                    .GetFiles("*.phpvhbackup", SearchOption.AllDirectories)
                    .Any(x => x.Extension.ToLower() == ".phpvhbackup"))
                {
                    ScannerCli.DisplayPhaseName("Repair");
                    Cli.WriteLine();

                    new HookCollection().Unset(new DirectoryInfo(filePath));



                    if (Config.Repair)
                    {
                        continue;
                    }
                }

                _reportWriter = new ReportWriter(RelativeAppPath);

                Trace.Listeners.Clear();

                if (Config.LogConsole)
                {
                    Trace.Listeners.Add(new TextWriterTraceListener(_reportWriter.ReportPath + "\\scan.log"));
                }

                Trace.Listeners.Add(new ConsoleTraceListener());

                foreach (var plugin in Config.ScanPlugins)
                {
                    plugin.Initialize();
                }

                Program.PageFieldTable.Clear();

                Cli.WriteLine();
                ScannerCli.DisplayAppPath(RelativeAppPath);

                //////////////////////////////////////////////////////////////////////////
                // Static analysis
                ScannerCli.DisplayPhaseName("Static Analysis");

                var sae = new StaticAnalysis.StaticAnalysisEngine(Config);
                sae.FileScanned += (o, e) =>
                {
                    Cli.WriteLine(
                        "{0} [~{1}~{2}~R~]",
                        e.Item.Filename,
                        e.Item.Alerts.Any() ? ConsoleColor.Red : ConsoleColor.DarkGreen,
                        e.Item.Alerts.Length);

                    e.Item.Alerts.Iter(x => Cli.WriteLine("~Red~Potential Vulnerability: {0}~R~", x.Name));
                };
                var staticAnalysisAlerts = sae.ScanDirectory(filePath);

                if (staticAnalysisAlerts.Any())
                {
                    _reportWriter.Write("Static analysis", staticAnalysisAlerts.ToXml(), "xml");
                }

                Cli.WriteLine();
                Cli.WriteLine();

                // End Static analysis
                //////////////////////////////////////////////////////////////////////////

                if (!Config.StaticOnly)
                {
                    ScanMetrics.Default = new ScanMetrics();
                    ScanMetrics.Default.Annotator.AnnotationFile = new FileInfo(Config.WebRoot + "\\Annotation.txt");

                    #region Hooks
                    var hooks2    = new HookCollection(Hook.GetDefaults());
                    var sqlPlugin = new SqlScanPlugin(null);
                    sqlPlugin.Initialize();
                    hooks2.AddRange(sqlPlugin.Config.Functions.ToHooks());
                    #endregion

                    if (Config.HookSuperglobals)
                    {
                        hooks2.AddRange(Hook.GetSuperglobals());
                    }

                    if (_scan)
                    {
                        ScannerCli.DisplayPhaseName("Form scrape");

                        var urlDictionary = CreateUrlDictionary(RelativeAppPath, new DirectoryInfo(filePath));

                        foreach (var page in urlDictionary.Select(x => new
                        {
                            Relative = x.Key,
                            Url = "http://" + Config.Server + x.Key,
                        }))
                        {
                            var data    = WebClientHelper.DownloadData(page.Url);
                            var respStr = ASCIIEncoding.ASCII.GetString(data.Data);
                            var forms   = FormScraper.GetForms(respStr, page.Url);

                            if (forms.Any())
                            {
                                foreach (var f in forms)
                                {
                                    var action = new Uri(f.Action);
                                    if (!action.Host.Contains(Config.Server) ||
                                        !urlDictionary.ContainsKey(action.LocalPath))
                                    {
                                        continue;
                                    }

                                    var file = urlDictionary[action.LocalPath];

                                    if (!PageFieldTable.ContainsKey(file))
                                    {
                                        PageFieldTable.Add(file, new Dictionary <string, List <string> >());
                                    }

                                    var superglobal = "$_" + f.Method.ToUpper();

                                    if (!PageFieldTable[file].ContainsKey(superglobal))
                                    {
                                        PageFieldTable[file].Add(superglobal, new List <string>());
                                    }

                                    var newInputs = f.Inputs
                                                    .Select(x => x.Name ?? x.Type)
                                                    .Where(x => x != null && !PageFieldTable[file][superglobal].Contains(x));

                                    PageFieldTable[file][superglobal].AddRange(newInputs);
                                }
                            }

                            ScannerCli.DisplayScrapedUrl(page.Relative, forms);
                        }

                        Trace.WriteLine("");

                        if (_hook)
                        {
                            ScannerCli.DisplayPhaseName("Dynamic Analysis Initialization");
                            Cli.WriteLine();

                            hooks2.Set(new DirectoryInfo(filePath));
                            hooks2.CreateHandlerFile();
                            Cli.WriteLine();
                            Cli.WriteLine();

                            Program.Config.ScanPlugins
                            .Iter(x =>
                            {
                                var annotationTableClone    = ScanMetrics.Default.Annotator.AnnotationTable.Clone() as AnnotationTable;
                                annotationTableClone.Plugin = x.ToString();
                                ScanMetrics.Default.PluginAnnotations.Add(annotationTableClone);
                            });
                        }

                        ScannerCli.DisplayPhaseName("Dynamic Analysis");

                        ScanDirectory(new DirectoryInfo(filePath), RelativeAppPath);
                        Console.WriteLine();
                    }

                    ScannerCli.DisplayPhaseName("Dynamic Analysis Uninitialization");
                    Cli.WriteLine();
                    hooks2.DeleteHandlerFile();

                    File.Delete(TraceFileName);

                    foreach (var plugin in Config.ScanPlugins)
                    {
                        plugin.Uninitialize();
                    }

                    if (Config.Unhook)
                    {
                        hooks2.Unset(new DirectoryInfo(filePath));

                        Cli.WriteLine();
                        Cli.WriteLine();
                    }
                }

                var reportFiles = _reportWriter.WriteFilenames();
#if !MONO && !NET35
                if (_reportWriter.ReportFiles.Any() && Config.RunViewer)
                {
                    var viewerPath = Assembly.GetExecutingAssembly().Location.RemoveAtLastIndexOf('\\', 1) +
                                     @"PHPVHReportViewer.exe";

                    if (File.Exists(viewerPath))
                    {
                        System.Diagnostics.Process.Start(viewerPath, "\"" + reportFiles + "\"");
                    }
                    else
                    {
                        System.Windows.Forms.MessageBox.Show("Could not locate report viewer executable.",
                                                             "Error launching report viewer", System.Windows.Forms.MessageBoxButtons.OK,
                                                             System.Windows.Forms.MessageBoxIcon.Error);
                    }
                }
#endif
            }

            Trace.Listeners.Clear();
            Trace.Listeners.Add(new ConsoleTraceListener());
        }
Beispiel #7
0
        static void ScanDirectory(DirectoryInfo AppDirectory, string RelativeAppPath)
        {
            var ignoreExtensions = new[]
            {
                "png",
                "jpg",
                "jpeg",
                "gif",
                "ico",
                "js",
                "css",
            };

            var urlDictionary = CreateUrlDictionary(RelativeAppPath, AppDirectory);

            var urlCollections = new[]
            {
                urlDictionary.Select(x => x.Key).ToList(),
                new List <string>()
            };

            var           traceTable     = new TraceTable();
            var           report         = new StringBuilder();
            var           coverageReport = new StringBuilder();
            var           map            = new ApplicationMap();
            var           alerts         = new ScanAlertCollection();
            int           requestCount   = 0;
            MessageDumper messageDumper  = null;

            if (Config.DumpMessages)
            {
                messageDumper = new MessageDumper(_reportWriter.ReportPath.FullName);
            }

            for (int urlCollectionIndex = 0; urlCollectionIndex < 2; urlCollectionIndex++)
            {
                foreach (ScanPluginBase plugin in Config.ScanPlugins)
                {
                    if (Config.CodeCoverageReport > 0)
                    {
                        ScanMetrics.Default.Annotator.Reset();
                        ScanMetrics.Default.Annotator.AnnotationTable = ScanMetrics.Default.PluginAnnotations[plugin.ToString()];
                    }

                    if (!urlCollections[urlCollectionIndex].Any())
                    {
                        continue;
                    }

                    ScannerCli.DisplayScanPlugin(plugin);

                    foreach (var remotePath in urlCollections[urlCollectionIndex])
                    {
                        ScannerCli.DisplayResourcePath(remotePath);

                        IEnumerable <IEnumerable <TracedFunctionCall> > calls = null;
                        if (urlCollectionIndex == 0)
                        {
                            var key = urlDictionary[remotePath];

                            if (Program.PageFieldTable.ContainsKey(key))
                            {
                                calls = Program.PageFieldTable[key]
                                        .Select(x => x.Value.Select(y => new TracedFunctionCall()
                                {
                                    Name            = x.Key,
                                    ParameterValues = new List <string>()
                                    {
                                        y
                                    }
                                }));
                            }
                        }

                        for (int i = 0; i < plugin.ModeCount; i++)
                        {
                            foreach (var useStaticAnalysisInputs in new[]
                            {
                                false,
                                true
                            })
                            {
                                var trace = new FileTrace();

                                if (useStaticAnalysisInputs && calls != null)
                                {
                                    if (!calls.Any(x => x.Any()))
                                    {
                                        continue;
                                    }

                                    foreach (var c in calls)
                                    {
                                        trace.Calls.AddRange(c);
                                    }
                                }

                                bool discoveredVars = true;

                                while (discoveredVars)
                                {
                                    var traceFile = new FileInfo(TraceFileName);

                                    IOHelper.TryAction(traceFile.Delete);

                                    var client = new TcpClient()
                                    {
                                        ReceiveTimeout = Config.Timeout,
                                        SendTimeout    = Config.Timeout
                                    };

                                    while (!client.Connected)
                                    {
                                        try
                                        {
                                            client.Connect(Config.Server, Config.Port);
                                        }
                                        catch (SocketException ex)
                                        {
                                            ScannerCli.DisplayError(ex.Message);

                                            Thread.Sleep(5000);
                                        }
                                    }

                                    client.LingerState = new LingerOption(true, 0);
                                    HttpResponse resp = null;
                                    string       req, respString = "";

                                    using (var stream = client.GetStream())
                                    {
                                        req = plugin.BuildRequest(i, remotePath, trace);

                                        if (Config.DumpMessages)
                                        {
                                            messageDumper.Dump(req, requestCount, MessageType.Request);
                                        }

                                        var stopwatch = new Stopwatch();
                                        stopwatch.Start();
                                        stream.WriteString(req);

                                        try
                                        {
                                            var sgs = trace.Calls
                                                      .Superglobals()
                                                      .Select(x => new { x.Name, Value = x.ParameterValues.Count > 0 ? x.ParameterValues[0] : null })
                                                      .Distinct();

                                            var discoveredVarCount = sgs.Count();
                                            var reader             = new HttpResponseReader(stream);
                                            resp = reader.Read();
                                            stopwatch.Stop();
                                            respString = resp.CompleteResponse;

                                            ScannerCli.DisplayResponse(
                                                resp,
                                                i,
                                                discoveredVarCount,
                                                stopwatch.ElapsedMilliseconds,
                                                resp.CompleteResponse.Length);
                                        }
                                        catch (SocketException)
                                        {
                                            ScannerCli.DisplayResponseError(respString);
                                        }
                                        catch (IOException)
                                        {
                                            ScannerCli.DisplayResponseError(respString);
                                        }
                                    }

                                    if (urlCollectionIndex == 0 && resp != null)
                                    {
                                        var abs = "http://" + Config.Server + remotePath;

                                        var urls = new UriScraper()
                                        {
                                            Regex = new Regex(@"[/.]" + Config.Server + @"($|/)", RegexOptions.IgnoreCase | RegexOptions.Compiled),
                                        }
                                        .Parse(resp.Body, abs)
                                        .Select(x => new Uri(x).LocalPath);

                                        foreach (var url in urls)
                                        {
                                            if (!ignoreExtensions.Any(x => url.ToLower().EndsWith("." + x)) &&
                                                !urlCollections[0].Contains(url) &&
                                                !urlCollections[1].Contains(url))
                                            {
                                                urlCollections[1].Add(url);

                                                ScannerCli.DisplayDiscoveredUrl(url);
                                            }
                                        }
                                    }

                                    client.Close();

                                    if (Config.DumpMessages)
                                    {
                                        messageDumper.Dump(respString, requestCount, MessageType.Response);
                                    }

                                    requestCount++;
                                    traceFile = new FileInfo(TraceFileName);
                                    FileTrace newTrace = null;

                                    IOHelper.TryAction(() =>
                                    {
                                        if (traceFile.Exists)
                                        {
                                            using (var reader = traceFile.OpenText())
                                                newTrace = FileTrace.Parse(reader);
                                        }
                                    });

                                    if (newTrace == null)
                                    {
                                        newTrace = new FileTrace();
                                    }

                                    newTrace.Request  = req;
                                    newTrace.Response = respString;
                                    newTrace.File     = remotePath;

                                    var alert = plugin.ScanTrace(newTrace);

                                    if (alert != null)
                                    {
                                        if (Config.BeepOnAlert)
                                        {
                                            Console.Beep();
                                        }

                                        ScannerCli.DisplayAlert(alert);

                                        alerts.Add(alert);
                                        report.Append(alert.ToString());
                                    }

                                    discoveredVars = false;

                                    foreach (TracedFunctionCall c in newTrace.Calls
                                             .Superglobals()
                                             .Where(x => x.ParameterValues.Any()))
                                    {
                                        var oldCalls = trace.Calls.Where(x =>
                                                                         x.Name == c.Name &&
                                                                         x.ParameterValues.SequenceEqual(c.ParameterValues));
                                        if (!oldCalls.Any())
                                        {
                                            discoveredVars = true;
                                            break;
                                        }
                                    }

                                    var orphanedInputs = trace.Calls
                                                         .Superglobals()
                                                         .Where(x => !newTrace.Calls
                                                                .Any(y => x.Name == y.Name && x.ParameterValues
                                                                     .SequenceEqual(y.ParameterValues)))
                                                         .ToArray();

                                    newTrace.Calls.AddRange(orphanedInputs);
                                    trace = newTrace;
                                }

                                var superglobals = trace.Calls.Superglobals();

                                map.AddTrace(trace);

                                if (Config.DiscoveryReport)
                                {
                                    if (!traceTable.ContainsKey(plugin))
                                    {
                                        traceTable.Add(plugin, new Dictionary <int, Dictionary <string, FileTrace> >());
                                    }

                                    if (!traceTable[plugin].ContainsKey(i))
                                    {
                                        traceTable[plugin].Add(i, new Dictionary <string, FileTrace>());
                                    }

                                    if (!traceTable[plugin][i].ContainsKey(trace.File))
                                    {
                                        traceTable[plugin][i].Add(trace.File, trace);
                                    }
                                    else
                                    {
                                        traceTable[plugin][i][trace.File] = trace;
                                    }
                                }
                            }
                        }
                    }

                    if (Config.CodeCoverageReport > 0 && urlCollectionIndex == 0)
                    {
                        Cli.WriteLine("Calculating code coverage...");
                        CodeCoverageTable coverage = null;

                        IOHelper.TryAction(() =>
                        {
                            var calculator = new CodeCoverageCalculator(
                                ScanMetrics.Default.Annotator.AnnotationFile,
                                ScanMetrics.Default.PluginAnnotations[plugin.ToString()]);
                            coverage = calculator.CalculateCoverage();
                        });

                        coverage.Plugin = plugin.ToString();
                        coverageReport.AppendLine(coverage.ToString() + "\r\n");
                    }

                    Cli.WriteLine();
                }
            }

            _reportWriter.Write("Vulnerability Report", report.ToString());
            _reportWriter.Write("Input Map Report", map.ToXml(), "xml");

            if (alerts.Any())
            {
                _reportWriter.Write("Vulnerability Report",
                                    alerts.ToXml(), "pxml");
            }

            if (Config.DiscoveryReport)
            {
                _reportWriter.Write("Scan Overview Report",
                                    DiscoveryReport.Create(traceTable));
            }

            if (Config.CodeCoverageReport > 0)
            {
                _reportWriter.Write("Code Coverage Report", coverageReport.ToString());
                var annotationXml = ScanMetrics.Default.PluginAnnotations.ToXml();

                var annotationFile = _reportWriter.Write(
                    "Annotation",
                    annotationXml,
                    "axml");

                Cli.WriteLine();
                var commenter = new CoverageCommenter(ScanMetrics.Default.PluginAnnotations);
                commenter.LoadTable(annotationFile);
                commenter.WriteCommentedFiles(_reportWriter.ReportPath.FullName);

                _reportWriter.ReportFiles.Add(
                    new ReportFile(
                        "Coverage Comments",
                        Path.Combine("Code Coverage", "index.html")));
            }
        }
Beispiel #8
0
        public void CheckVersion()
        {
            try
            {
                WriteProbe();

                var resp = RequestProbe();

                var isVersion = false;

                if (resp != null)
                {
                    isVersion = Regex.IsMatch(resp, @"^[0-9.]+$");
                }

                if (isVersion)
                {
                    Cli.WriteLine("PHP version ~Cyan~{0}~R~ detected", resp);

                    if (_knownVersions.Contains(resp))
                    {
                        Cli.WriteLine("~Green~Known PHP version~R~");
                    }
                    else
                    {
                        Cli.WriteLine("~Yellow~Unknown PHP version; PhpVH may not work properly on untested versions~R~");
                    }
                }
                else if (resp == null)
                {
                    if (ThrowOnFail)
                    {
                        throw new InvalidOperationException("No response from server");
                    }
                    else
                    {
                        ScannerCli.DisplayCriticalMessageAndExit("~Red~No response from server; exiting~R~");
                    }
                }
                else
                {
                    var maxRespLen = 60;

                    if (resp.Length > maxRespLen)
                    {
                        resp = resp.Remove(maxRespLen);
                    }

                    if (ThrowOnFail)
                    {
                        throw new InvalidOperationException(string.Format("PHP version check failed~R~\r\nProbe response: {0}", resp));
                    }

                    ScannerCli.DisplayCriticalMessageAndExit(
                        "~Red~PHP version check failed~R~\r\nProbe response: {0}\r\nThis error generally occurs when the webroot is not properly configured.",
                        maxRespLen);
                }
            }
            finally
            {
                DeleteProbe();
            }
        }
        public static ScanConfig Create(string[] args)
        {
            var config = new ScanConfig();

            int argIndex = 0;

            for (int i = 0; i < args.Length; i++)
            {
                if (args[i] == "-s")
                {
                    config.Server = args[i + 1];
                    i++;

                    foreach (var a in config.ScanPlugins)
                    {
                        a.Server = config.Server;
                    }
                }
                else if (args[i] == "-static")
                {
                    config.StaticOnly = true;
                }
                else if (args[i] == "-t")
                {
                    int timeout = 0;
                    if (args.Length == i + 1 ||
                        !int.TryParse(args[i + 1], out timeout))
                    {
                        ScannerCli.DisplayCriticalMessageAndExit("Error parsing timeout");
                    }
                    i++;
                    config.Timeout = timeout;
                }
                else if (args[i] == "-p")
                {
                    int port;
                    if (!int.TryParse(args[i + 1], out port))
                    {
                        ScannerCli.DisplayCriticalMessageAndExit("Error parsing port");
                    }
                    i++;
                    config.Port = port;
                }
                else if (args[i] == "-l")
                {
                    config.LauncherUsed = true;
                }
                else if (args[i] == "-n")
                {
                    config.Unhook = false;
                }
                else if (args[i] == "-v")
                {
                    config.RunViewer = true;
                }
                else if (args[i] == "-d")
                {
                    config.DiscoveryReport = true;
                }
                else if (args[i] == "-c")
                {
                    config.CodeCoverageReport = 1;
                }
                else if (args[i] == "-c2")
                {
                    config.CodeCoverageReport = 2;
                }
                else if (args[i] == "-dump")
                {
                    config.DumpMessages = true;
                }
                else if (args[i] == "-b")
                {
                    config.BeepOnAlert = true;
                }
                else if (args[i] == "-log")
                {
                    config.LogConsole = true;
                }
                else if (args[i] == "-test")
                {
                    config.TestMode = true;
                }
                else if (args[i] == "-r")
                {
                    config.Repair = true;
                }
                //else if (args[i] == "-h")
                //    config.HookSuperglobals = true;
                else if (args[i] == "-l")
                {
                    // Nothing
                }
                else if (args[i] == "-m")
                {
                    var modes = args[i + 1];

                    i++;

                    foreach (var c in modes)
                    {
                        ScanPluginBase scan = null;

                        switch (c.ToString().ToLower()[0])
                        {
                        case 'c':
                            scan = new CommandScanPlugin(config.Server);
                            break;

                        case 'l':
                            try
                            {
                                scan = new LocalFileInclusionScanPlugin(config.Server);
                            }
                            catch (UnauthorizedAccessException)
                            {
                                ScannerCli.DisplayCriticalMessageAndExit("Error writing LFI test file. Ensure that " +
                                                                         "PHP Vulnerability Hunter has administrative privileges.");
                            }
                            break;

                        case 'f':
                            scan = new FileScanPlugin(config.Server);
                            break;

                        case 'p':
                            scan = new ArbitraryPhpScanPlugin(config.Server);
                            break;

                        case 's':
                            scan = new SqlScanPlugin(config.Server);
                            break;

                        case 'd':
                            scan = new DynamicScanPlugin(config.Server);
                            break;

                        case 'x':
                            scan = new XssScanPlugin(config.Server);
                            break;

                        case 'i':
                            scan = new FullPathDisclosureScanPlugin(config.Server);
                            break;

                        case 'r':
                            scan = new OpenRedirectScanPlugin(config.Server);
                            break;
                        }

                        if (scan == null)
                        {
                            ScannerCli.DisplayCriticalMessageAndExit("Invalid scan mode: " + c);
                        }

                        config.ScanPlugins.Add(scan);
                    }
                }
                else
                {
                    switch (argIndex)
                    {
                    case 0:
                        config.WebRoot = args[i];

                        if (!Directory.Exists(config.WebRoot))
                        {
                            ScannerCli.DisplayError(string.Format("Could not find directory {0}",
                                                                  config.WebRoot));

                            Environment.Exit(5);
                        }

                        break;

                    case 1:
                        if (args[i] == "*")
                        {
                            var dir = new DirectoryInfo(config.WebRoot);
                            config.ApplicationPaths = dir.GetDirectories()
                                                      .Select(x => x.Name)
                                                      .ToArray();
                        }
                        else
                        {
                            config.ApplicationPaths = args[i].Split(',');
                        }
                        break;
                    }

                    argIndex++;
                }
            }

            if (argIndex != 2)
            {
                ScannerCli.DisplayCriticalMessageAndExit("Invalid argument count");
            }

            // Validate user input

            if (!Directory.Exists(config.WebRoot))
            {
                ScannerCli.DisplayCriticalMessageAndExit("Web root {0} not found.", config.WebRoot);
            }

            if (config.ScanPlugins.Count == 0 && !config.Repair)
            {
                LocalFileInclusionScanPlugin lfi = null;

                try
                {
                    lfi = new LocalFileInclusionScanPlugin(config.Server);
                }
                catch (UnauthorizedAccessException)
                {
                    ScannerCli.DisplayCriticalMessageAndExit("Error writing LFI test file. Ensure that " +
                                                             "PHP Vulnerability Hunter has administrative privileges.");
                }

                config._ScanPlugins = new List <ScanPluginBase>()
                {
                    new CommandScanPlugin(config.Server),
                    new FileScanPlugin(config.Server),
                    lfi,
                    new ArbitraryPhpScanPlugin(config.Server),
                    new DynamicScanPlugin(config.Server),
                    new SqlScanPlugin(config.Server),
                    new XssScanPlugin(config.Server),
                    new OpenRedirectScanPlugin(config.Server),
                    new FullPathDisclosureScanPlugin(config.Server),
                };
            }

            return(config);
        }
        public void Set(DirectoryInfo Directory)
        {
            IEnumerable <FileInfo> files = null;

            try
            {
                files = Directory
                        .GetFiles("*", SearchOption.AllDirectories)
                        .Where(x =>
                               x.Extension.ToLower() == ".php" ||
                               x.Extension.ToLower() == ".inc");
            }
            catch (UnauthorizedAccessException)
            {
                var error = string.Format("\r\nError enumerating files in {0}", Directory.FullName);
                ScannerCli.DisplayError(error);
                return;
            }

            var progressBar = new CliProgressBar(files.Count());

            progressBar.Write();

            files.AsyncIter(f =>
            {
                if (!CreateBackup(f))
                {
                    return;
                }

                string php = File.ReadAllText(f.FullName);

                PhpToken[] tokens = null;

                Action getTokens                   = () =>
                                            tokens = PhpParser.StripWhitespaceAndComments(new PhpLexer(php)
                                                                                          .GetTokens()
                                                                                          .ToArray());

                getTokens();

                lock (Program.PageFieldTable)
                {
                    if (!Program.PageFieldTable.ContainsKey(f.FullName))
                    {
                        Program.PageFieldTable.Add(f.FullName, new Dictionary <string, List <string> >());
                    }

                    var superglobals = StaticAnalyzer.FindSuperglobalFields(tokens);

                    foreach (var superglobal in superglobals)
                    {
                        if (!Program.PageFieldTable[f.FullName].ContainsKey(superglobal.Key))
                        {
                            Program.PageFieldTable[f.FullName].Add(superglobal.Key, new List <string>());
                        }


                        var newValues = superglobal.Value
                                        .Where(x => !Program.PageFieldTable[f.FullName][superglobal.Key].Contains(x));

                        Program.PageFieldTable[f.FullName][superglobal.Key].AddRange(newValues);
                    }
                }

                lock (Program.FileIncludeTable)
                    Program.FileIncludeTable.Add(f.FullName,
                                                 PhpParser.GetIncludedFiles(tokens));

                var functions = PhpParser.GetGlobalFunctionCalls(tokens);

                if (Program.Config.CodeCoverageReport > 0)
                {
                    php = ScanMetrics.Default.Annotator.AnnotateCode(f.FullName, php, tokens);
                }

                if (!Program.Config.HookSuperglobals)
                {
                    php = PreloadHelper.Patch(php);
                }

                foreach (Hook h in this)
                {
                    h.Set(ref php);
                }

                getTokens();

                string include = "require_once('" +
                                 Program.Config.WebRoot.Replace('\\', '/') + "/" + Hook.HookFileName + "');";

                if (tokens.Length >= 2 && tokens[1].TokenType == PhpTokenType.namespaceKeyword)
                {
                    var eos = tokens.FirstOrDefault(x => x.TokenType == PhpTokenType.EndOfStatement);

                    php = php.Insert(eos.Index + 1, "\r\n" + include + "\r\n");
                }
                else
                {
                    php = "<?php " + include + " ?>" + php;
                }

                try
                {
                    File.WriteAllText(f.FullName, php);
                }
                catch (UnauthorizedAccessException ex)
                {
                    ScannerCli.DisplayError(string.Format("\r\n\r\nError hooking file\r\n{0}\r\n", ex.Message));

                    return;
                }
                progressBar.Value++;
                progressBar.Write();
            });
        }