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nsisplugin/EnableMicrosoftUpdate.c

@@ -0,0 +1,41 @@
+#define CINTERFACE
+#define COBJMACROS
+#include <windows.h>
+#include <nsis/pluginapi.h>
+#include <wuapi.h>
+#include "main.h"
+
+static const GUID our_CLSID_UpdateServiceManager = { 0xf8d253d9, 0x89a4, 0x4daa, { 0x87, 0xb6, 0x11, 0x68, 0x36, 0x9f, 0x0b, 0x21 } };
+static const GUID our_IID_IUpdateServiceManager2 = { 0x0bb8531d, 0x7e8d, 0x424f, { 0x98, 0x6c, 0xa0, 0xb8, 0xf6, 0x0a, 0x3e, 0x7b } };
+
+static const LPWSTR MicrosoftUpdateServiceID = L"7971f918-a847-4430-9279-4a52d1efe18d";
+
+EXTERN_C __declspec(dllexport)
+void __cdecl EnableMicrosoftUpdate(HWND hwndParent, int string_size, TCHAR *variables, stack_t **stacktop, extra_parameters *extra) {
+	EXDLL_INIT();
+	g_hwndParent = hwndParent;
+
+	IUpdateServiceManager2 *serviceManager;
+	IUpdateServiceRegistration *registration;
+
+	HRESULT hr = CoCreateInstance(our_CLSID_UpdateServiceManager, NULL, CLSCTX_INPROC_SERVER, our_IID_IUpdateServiceManager2, (void **)&serviceManager);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+	hr = IUpdateServiceManager2_AddService2(serviceManager, SysAllocString(MicrosoftUpdateServiceID), asfAllowPendingRegistration | asfAllowOnlineRegistration | asfRegisterServiceWithAU, SysAllocString(L""), &registration);
+	if (!SUCCEEDED(hr)) {
+		goto end;
+	}
+
+end:
+	if (registration != NULL) {
+		IUpdateServiceManager2_Release(registration);
+	}
+
+	if (serviceManager != NULL) {
+		IUpdateServiceManager2_Release(serviceManager);
+	}
+
+	pushint(hr);
+}