januwA
node-windows-x64
Provides some low-level APIs
Only tested on Windows 10 and Intel 64-bit cpu and vs2019/vs2022
Install
$ npm i node-windows-x64Example
// import { node_windows_x64 as nw } from "node-windows-x64";
const { node_windows_x64: nw } = require("node-windows-x64");
nw.MessageBoxA(0, "body", "title", 3);Callback
const r = nw["user32.EnumWindows"]((hwnd, param) => {
console.log("hwnd: %d, param: %d", hwnd, param);
return true;
}, 10);
console.log("result: ", r);win32 gui
nw.globalDefine();
const className = "Node Win32 Gui";
const windowName = "window caption";
const wui = new nw.Win32Gui(className, windowName, {
x: 100,
y: 100,
width: 600,
height: 400,
style: WS_OVERLAPPEDWINDOW,
});
if (wui.initRegisterClass() && wui.initWindow()) {
// create a button
wui.button({
id: 1,
windowName: "click me",
events: {
click() {
console.log('button clicked.');
},
},
});
wui.messageLoop((hWnd, message, wParam, lParam) => {});
}Auto Asm
const r = nw.aa(
`
inc rcx
mov rax,rcx
ret
`,
1
);
console.log(r); // 2Target
/**
define(address,"Tutorial-i386.exe"+2578F)
define(bytes,29 83 AC 04 00 00)
[ENABLE]
address:
db 90 90 90 90 90 90
[DISABLE]
address:
db bytes
*/
const t = nw.createTargetWithName("Tutorial-i386.exe");
if (t.pid && t.hProcess) {
const address = nw.getAddress(`"Tutorial-i386.exe"+2578F`, t.hProcess);
const handle = t.setNop(address, 6);
console.log(handle);
if (handle.bSuccess) {
handle.enable();
setTimeout(() => {
handle.disable();
// 如果不在使用handle，那么一定要调用delete函数
handle.delete();
}, 1000 * 10);
}
}Parameter types and return value types
nw.invoke({
method: 'dll1.fndll9',
args: [4.67, 10],
argsType: ['float', 'int'],
retType: 'int'
});
nw.invoke({
method: 'MessageBoxA',
args: [0, "content", "title", 1],
argsType: ['int', 'str', 'str', 'int'],
retType: 'int'
});
nw.invoke({
method: 'MessageBoxW',
args: [0, "content", "title", 1],
argsType: ['int', 'wstr', 'wstr', 'int'],
retType: 'int'
});Callback function signature
const result = nw.invoke({
method: 'dll1.fndll1',
args: [(...args) => {
console.log(args); // [ -100, 100, -233, 10, 1.2200000286102295, 7.334, 'char*', 'wchar*' ]
return 99.99;
}],
argsType: ['fn2(int,uint,int64,uintptr,float,double,str,wstr):float'],
retType: 'float'
});extern "C" __declspec(dllexport) float fndll1(
float (*cb)(int, uint32_t, int64_t, uintptr_t, float, double,const char*, const wchar_t*)
)
{
return cb(-100, 100, -233, 10, 1.22, 7.334, "char*", L"wchar*");
}There are more examples under the "examples" file