Bug 1418131: Part 1 - Add Windows Security Center info to nsSystemInfo; r=erahm,jimm

MozReview-Commit-ID: 7XUAIesDpRu

--HG--
extra : rebase_source : 2dbd3592e1fd31aae2c0d9946a7146b3a472d3fa

xpcom/base/moz.build

@@ -89,6 +89,9 @@ if CONFIG['OS_ARCH'] == 'WINNT':
     EXPORTS += [
         'nsWindowsHelpers.h',
     ]
+    OS_LIBS += [
+        'wscapi',
+    ]
 
 EXPORTS.mozilla += [
     'AutoRestore.h',

xpcom/base/nsSystemInfo.cpp

@@ -14,9 +14,12 @@
 #include "mozilla/Sprintf.h"
 
 #ifdef XP_WIN
+#include <comutil.h>
 #include <time.h>
+#include <iwscapi.h>
 #include <windows.h>
 #include <winioctl.h>
+#include <wscapi.h>
 #include "base/scoped_handle_win.h"
 #include "nsAppDirectoryServiceDefs.h"
 #include "nsDirectoryServiceDefs.h"
@@ -235,6 +238,105 @@ nsresult GetCountryCode(nsAString& aCountryCode)
 }
 
 } // namespace
+
+static HRESULT
+EnumWSCProductList(nsAString& aOutput, NotNull<IWSCProductList*> aProdList)
+{
+  MOZ_ASSERT(aOutput.IsEmpty());
+
+  LONG count;
+  HRESULT hr = aProdList->get_Count(&count);
+  if (FAILED(hr)) {
+    return hr;
+  }
+
+  for (LONG index = 0; index < count; ++index) {
+    RefPtr<IWscProduct> product;
+    hr = aProdList->get_Item(index, getter_AddRefs(product));
+    if (FAILED(hr)) {
+      return hr;
+    }
+
+    WSC_SECURITY_PRODUCT_STATE state;
+    hr = product->get_ProductState(&state);
+    if (FAILED(hr)) {
+      return hr;
+    }
+
+    // We only care about products that are active
+    if (state == WSC_SECURITY_PRODUCT_STATE_OFF ||
+        state == WSC_SECURITY_PRODUCT_STATE_SNOOZED) {
+      continue;
+    }
+
+    _bstr_t bName;
+    hr = product->get_ProductName(bName.GetAddress());
+    if (FAILED(hr)) {
+      return hr;
+    }
+
+    if (!aOutput.IsEmpty()) {
+      aOutput.AppendLiteral(u";");
+    }
+
+    aOutput.Append((wchar_t*)bName, bName.length());
+  }
+
+  return S_OK;
+}
+
+static nsresult
+GetWindowsSecurityCenterInfo(nsAString& aAVInfo, nsAString& aAntiSpyInfo,
+                             nsAString& aFirewallInfo)
+{
+  aAVInfo.Truncate();
+  aAntiSpyInfo.Truncate();
+  aFirewallInfo.Truncate();
+
+  MOZ_ASSERT(XRE_IsParentProcess());
+  if (!XRE_IsParentProcess()) {
+    return NS_ERROR_NOT_AVAILABLE;
+  }
+
+  const CLSID clsid = __uuidof(WSCProductList);
+  const IID iid = __uuidof(IWSCProductList);
+
+  // NB: A separate instance of IWSCProductList is needed for each distinct
+  // security provider type; MSDN says that we cannot reuse the same object
+  // and call Initialize() to pave over the previous data.
+
+  WSC_SECURITY_PROVIDER providerTypes[] = { WSC_SECURITY_PROVIDER_ANTIVIRUS,
+                                            WSC_SECURITY_PROVIDER_ANTISPYWARE,
+                                            WSC_SECURITY_PROVIDER_FIREWALL };
+
+  // Each output must match the corresponding entry in providerTypes.
+  nsAString* outputs[] = { &aAVInfo, &aAntiSpyInfo, &aFirewallInfo };
+
+  static_assert(ArrayLength(providerTypes) == ArrayLength(outputs),
+                "Length of providerTypes and outputs arrays must match");
+
+  for (uint32_t index = 0; index < ArrayLength(providerTypes); ++index) {
+    RefPtr<IWSCProductList> prodList;
+    HRESULT hr = ::CoCreateInstance(clsid, nullptr, CLSCTX_INPROC_SERVER, iid,
+                                    getter_AddRefs(prodList));
+    if (FAILED(hr)) {
+      return NS_ERROR_NOT_AVAILABLE;
+    }
+
+    hr = prodList->Initialize(providerTypes[index]);
+    if (FAILED(hr)) {
+      return NS_ERROR_UNEXPECTED;
+    }
+
+    hr = EnumWSCProductList(*outputs[index], WrapNotNull(prodList.get()));
+    if (FAILED(hr)) {
+      return NS_ERROR_UNEXPECTED;
+    }
+  }
+
+  return NS_OK;
+}
+
 #endif // defined(XP_WIN)
 
 #ifdef XP_MACOSX
@@ -692,6 +794,34 @@ nsSystemInfo::Init()
       return rv;
     }
   }
+
+  nsAutoString avInfo, antiSpyInfo, firewallInfo;
+  if (NS_SUCCEEDED(GetWindowsSecurityCenterInfo(avInfo, antiSpyInfo,
+                                                firewallInfo))) {
+    if (!avInfo.IsEmpty()) {
+      rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredAntiVirus"),
+                                avInfo);
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        return rv;
+      }
+    }
+
+    if (!antiSpyInfo.IsEmpty()) {
+      rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredAntiSpyware"),
+                                antiSpyInfo);
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        return rv;
+      }
+    }
+
+    if (!firewallInfo.IsEmpty()) {
+      rv = SetPropertyAsAString(NS_LITERAL_STRING("registeredFirewall"),
+                                firewallInfo);
+      if (NS_WARN_IF(NS_FAILED(rv))) {
+        return rv;
+      }
+    }
+  }
 #endif
 
 #if defined(XP_MACOSX)