Added 'Disassemble x86' operation

src/core/operations/ByteRepr.js

@@ -1,4 +1,3 @@
-/* globals app */
 import Utils from "../Utils.js";
 
 

src/core/operations/CharEnc.js

@@ -1,6 +1,4 @@
 import cptable from "../lib/js-codepage/cptable.js";
-import Utils from "../Utils.js";
-import CryptoJS from "crypto-js";
 
 
 /**

src/core/operations/Hexdump.js

@@ -1,4 +1,3 @@
-/* globals app */
 import Utils from "../Utils.js";
 
 

src/core/operations/Shellcode.js

@@ -0,0 +1,96 @@
+import disassemble from "../lib/DisassembleX86-64.js";
+
+
+/**
+ * Shellcode operations.
+ *
+ * @author n1474335 [n1474335@gmail.com]
+ * @copyright Crown Copyright 2017
+ * @license Apache-2.0
+ *
+ * @namespace
+ */
+const Shellcode = {
+
+    /**
+     * @constant
+     * @default
+     */
+    MODE: ["64", "32", "16"],
+    /**
+     * @constant
+     * @default
+     */
+    COMPATIBILITY: [
+        "Full x86 architecture",
+        "Knights Corner",
+        "Larrabee",
+        "Cyrix",
+        "Geode",
+        "Centaur",
+        "X86/486"
+    ],
+
+    /**
+     * Disassemble x86 operation.
+     *
+     * @param {string} input
+     * @param {Object[]} args
+     * @returns {string}
+     */
+    runDisassemble: function(input, args) {
+        const mode = args[0],
+            compatibility = args[1],
+            codeSegment = args[2],
+            offset = args[3],
+            showInstructionHex = args[4],
+            showInstructionPos = args[5];
+
+        switch (mode) {
+            case "64":
+                disassemble.setBitMode(2);
+                break;
+            case "32":
+                disassemble.setBitMode(1);
+                break;
+            case "16":
+                disassemble.setBitMode(0);
+                break;
+            default:
+                throw "Invalid mode value";
+        }
+
+        switch (compatibility) {
+            case "Full x86 architecture":
+                disassemble.CompatibilityMode(0);
+                break;
+            case "Knights Corner":
+                disassemble.CompatibilityMode(1);
+                break;
+            case "Larrabee":
+                disassemble.CompatibilityMode(2);
+                break;
+            case "Cyrix":
+                disassemble.CompatibilityMode(3);
+                break;
+            case "Geode":
+                disassemble.CompatibilityMode(4);
+                break;
+            case "Centaur":
+                disassemble.CompatibilityMode(5);
+                break;
+            case "X86/486":
+                disassemble.CompatibilityMode(6);
+                break;
+        }
+
+        disassemble.SetBasePosition(codeSegment + ":" + offset);
+        disassemble.setShowInstructionHex(showInstructionHex);
+        disassemble.setShowInstructionPos(showInstructionPos);
+        disassemble.LoadBinCode(input.replace(/\s/g, ""));
+        return disassemble.LDisassemble();
+    },
+
+};
+
+export default Shellcode;