start replacing create_ functions

func_replacements.js

@@ -0,0 +1,43 @@
+const create_LanSearch = (buf) => {
+  // buf is u16*
+  buf.writeU16(0x30f1);
+  buf.add(2).writeU16(0x0);
+  return 4; // 2 x u16 entries = 4bytes
+};
+
+const create_P2pAliveAck = (buf) => {
+  // buf is u16*
+  buf.writeU16(0xe1f1);
+  buf.add(2).writeU16(0x0);
+  return 4; // 2 x u16 entries = 4bytes
+};
+const create_P2pAlive = (buf) => {
+  // buf is u16*
+  buf.writeU16(0xe0f1);
+  buf.add(2).writeU16(0x0);
+  return 4; // 2 x u16 entries = 4bytes
+};
+
+export const replace_func = (stub, ret, args) => {
+  const name_in_elf = stub.name;
+  const symbol_addr = DebugSymbol.fromName(name_in_elf).address;
+  if (symbol_addr == 0) {
+    console.error(`Could not find ${name_in_elf}`);
+    return;
+  }
+  console.log(
+    `Replacing ${name_in_elf}, signature "${ret} ${name_in_elf}(${args})"`,
+  );
+  Interceptor.replace(symbol_addr, new NativeCallback(stub, ret, args));
+};
+
+export const replaceFunctions = () => {
+  const replacements = [
+    [create_P2pAlive, "uchar", ["pointer"]],
+    [create_P2pAliveAck, "uchar", ["pointer"]],
+    [create_LanSearch, "uchar", ["pointer"]],
+  ];
+
+  replacements.forEach((x) => replace_func(...x));
+  return replacements.map((x) => x[0].name);
+};