crypt32: Prohibit adding links to collection stores.

dlls/crypt32/cert.c

@@ -113,8 +113,17 @@ BOOL WINAPI CertAddCertificateLinkToStore(HCERTSTORE hCertStore,
  PCCERT_CONTEXT pCertContext, DWORD dwAddDisposition,
  PCCERT_CONTEXT *ppCertContext)
 {
+    PWINECRYPT_CERTSTORE store = (PWINECRYPT_CERTSTORE)hCertStore;
+
     FIXME("(%p, %p, %08x, %p)\n", hCertStore, pCertContext, dwAddDisposition,
      ppCertContext);
+    if (store->dwMagic != WINE_CRYPTCERTSTORE_MAGIC)
+        return FALSE;
+    if (store->type == StoreTypeCollection)
+    {
+        SetLastError(E_INVALIDARG);
+        return FALSE;
+    }
     return FALSE;
 }
 

dlls/crypt32/tests/store.c

@@ -2354,7 +2354,6 @@ static void testAddCertificateLink(void)
     SetLastError(0xdeadbeef);
     ret = CertAddCertificateLinkToStore(store1, source, CERT_STORE_ADD_ALWAYS,
      &linked);
-    todo_wine
     ok(!ret && GetLastError() == E_INVALIDARG,
      "expected E_INVALIDARG, got %08x\n", GetLastError());
     CertFreeCertificateContext(source);