Init

2026-09-30 22:48:06 +02:00
commit 8913cb4314
37 changed files with 3190 additions and 0 deletions
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+import ghidra.app.decompiler.DecompInterface;
+import ghidra.app.decompiler.DecompileResults;
+import ghidra.app.script.GhidraScript;
+import ghidra.program.model.address.Address;
+import ghidra.program.model.address.AddressSpace;
+import ghidra.program.model.listing.Function;
+import ghidra.program.model.listing.Instruction;
+import ghidra.program.model.listing.InstructionIterator;
+import ghidra.program.model.listing.Listing;
+
+import java.io.FileWriter;
+import java.io.PrintWriter;
+
+/**
+ * DumpAIS.java — Ghidra headless postScript. Decompiles + disassembles
+ * checksum-hunt targets into /tmp/opencode/ghidra-lab/out/.
+ */
+public class DumpAIS extends GhidraScript {
+
+    static final String OUT = "/tmp/opencode/ghidra-lab/out";
+    static final String[] TARGETS = {
+        "C70A0A60", "C708E4E4", "C7086400", "C70A28A0", "C707841C"
+    };
+
+    @Override
+    public void run() throws Exception {
+        new java.io.File(OUT).mkdirs();
+        AddressSpace space = currentProgram.getAddressFactory()
+                .getDefaultAddressSpace();
+        Listing listing = currentProgram.getListing();
+        DecompInterface iface = new DecompInterface();
+        iface.openProgram(currentProgram);
+
+        for (String t : TARGETS) {
+            Address addr = space.getAddress(t);
+            Function fn = getFunctionAt(addr);
+            if (fn == null) {
+                try {
+                    disassemble(addr);
+                }
+                catch (Exception e) {
+                    println("[DumpAIS] " + t + " disassemble: " + e);
+                }
+                try {
+                    fn = createFunction(addr, "sub_" + t);
+                }
+                catch (Exception e) {
+                    println("[DumpAIS] " + t + " createFunction: " + e);
+                }
+            }
+            else {
+                println("[DumpAIS] " + t + " fn=" + fn.getName());
+            }
+            // disassembly window: 64B back, ~120 insns forward
+            try {
+                Address start = addr.addNoWrap(-64);
+                InstructionIterator it = listing.getInstructions(start, true);
+                PrintWriter pw = new PrintWriter(new FileWriter(
+                        OUT + "/dis_" + t + ".txt"));
+                int n = 0;
+                while (it.hasNext() && n < 150) {
+                    Instruction ins = it.next();
+                    pw.println(String.format("%08X %s %s",
+                            ins.getAddress().getOffset(),
+                            ins.getMnemonicString(), ins.toString()));
+                    n++;
+                    if (ins.getAddress().compareTo(addr) > 0
+                            && n > 100) {
+                        break;
+                    }
+                }
+                pw.close();
+            }
+            catch (Exception e) {
+                println("[DumpAIS] " + t + " disasm dump: " + e);
+            }
+            if (fn != null) {
+                try {
+                    DecompileResults res = iface.decompileFunction(
+                            fn, 120, getMonitor());
+                    String c = (res != null
+                            && res.getDecompiledFunction() != null)
+                                    ? res.getDecompiledFunction().getC()
+                                    : "DECOMPILE_NULL";
+                    PrintWriter pw = new PrintWriter(new FileWriter(
+                            OUT + "/dec_" + t + ".txt"));
+                    pw.print(c);
+                    pw.close();
+                    println("[DumpAIS] " + t + " decompiled "
+                            + (c == null ? 0 : c.length()) + " chars");
+                }
+                catch (Exception e) {
+                    println("[DumpAIS] " + t + " decompile: " + e);
+                    PrintWriter pw = new PrintWriter(new FileWriter(
+                            OUT + "/dec_" + t + ".txt"));
+                    pw.print("DECOMPILE_ERROR: " + e);
+                    pw.close();
+                }
+            }
+        }
+        iface.dispose();
+        println("[DumpAIS] done -> " + OUT);
+    }
+}